diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr')
37 files changed, 23881 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile new file mode 100644 index 000000000000..b664e34dbcc0 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -0,0 +1,15 @@ +# +# Makefile for the 'hw manager' sub-component of powerplay. +# It provides the hardware management services for the driver. + +HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ + hardwaremanager.o pp_acpi.o cz_hwmgr.o \ + cz_clockpowergating.o \ + tonga_processpptables.o ppatomctrl.o \ + tonga_hwmgr.o pppcielanes.o tonga_thermal.o\ + fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \ + fiji_clockpowergating.o fiji_thermal.o + +AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) + +AMD_POWERPLAY_FILES += $(AMD_PP_HWMGR) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c new file mode 100644 index 000000000000..ad7700822a1c --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c @@ -0,0 +1,252 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "hwmgr.h" +#include "cz_clockpowergating.h" +#include "cz_ppsmc.h" + +/* PhyID -> Status Mapping in DDI_PHY_GEN_STATUS + 0 GFX0L (3:0), (27:24), + 1 GFX0H (7:4), (31:28), + 2 GFX1L (3:0), (19:16), + 3 GFX1H (7:4), (23:20), + 4 DDIL (3:0), (11: 8), + 5 DDIH (7:4), (15:12), + 6 DDI2L (3:0), ( 3: 0), + 7 DDI2H (7:4), ( 7: 4), +*/ +#define DDI_PHY_GEN_STATUS_VAL(phyID) (1 << ((3 - ((phyID & 0x07)/2))*8 + (phyID & 0x01)*4)) +#define IS_PHY_ID_USED_BY_PLL(PhyID) (((0xF3 & (1 << PhyID)) & 0xFF) ? true : false) + + +int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating) +{ + int ret = 0; + + switch (block) { + case PHM_AsicBlock_UVD_MVC: + case PHM_AsicBlock_UVD: + case PHM_AsicBlock_UVD_HD: + case PHM_AsicBlock_UVD_SD: + if (gating == PHM_ClockGateSetting_StaticOff) + ret = cz_dpm_powerdown_uvd(hwmgr); + else + ret = cz_dpm_powerup_uvd(hwmgr); + break; + case PHM_AsicBlock_GFX: + default: + break; + } + + return ret; +} + + +bool cz_phm_is_safe_for_asic_block(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, enum PHM_AsicBlock block) +{ + return true; +} + + +int cz_phm_enable_disable_gfx_power_gating(struct pp_hwmgr *hwmgr, bool enable) +{ + return 0; +} + +int cz_phm_smu_power_up_down_pcie(struct pp_hwmgr *hwmgr, uint32_t target, bool up, uint32_t args) +{ + /* TODO */ + return 0; +} + +int cz_phm_initialize_display_phy_access(struct pp_hwmgr *hwmgr, bool initialize, bool accesshw) +{ + /* TODO */ + return 0; +} + +int cz_phm_get_display_phy_access_info(struct pp_hwmgr *hwmgr) +{ + /* TODO */ + return 0; +} + +int cz_phm_gate_unused_display_phys(struct pp_hwmgr *hwmgr) +{ + /* TODO */ + return 0; +} + +int cz_phm_ungate_all_display_phys(struct pp_hwmgr *hwmgr) +{ + /* TODO */ + return 0; +} + +static int cz_tf_uvd_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result) +{ + return 0; +} + +static int cz_tf_vce_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result) +{ + return 0; +} + +int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t dpm_features = 0; + + if (enable && + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDDPM)) { + cz_hwmgr->dpm_flags |= DPMFlags_UVD_Enabled; + dpm_features |= UVD_DPM_MASK; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_EnableAllSmuFeatures, dpm_features); + } else { + dpm_features |= UVD_DPM_MASK; + cz_hwmgr->dpm_flags &= ~DPMFlags_UVD_Enabled; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_DisableAllSmuFeatures, dpm_features); + } + return 0; +} + +int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t dpm_features = 0; + + if (enable && phm_cap_enabled( + hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEDPM)) { + cz_hwmgr->dpm_flags |= DPMFlags_VCE_Enabled; + dpm_features |= VCE_DPM_MASK; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_EnableAllSmuFeatures, dpm_features); + } else { + dpm_features |= VCE_DPM_MASK; + cz_hwmgr->dpm_flags &= ~DPMFlags_VCE_Enabled; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_DisableAllSmuFeatures, dpm_features); + } + + return 0; +} + + +int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->uvd_power_gated == bgate) + return 0; + + cz_hwmgr->uvd_power_gated = bgate; + + if (bgate) { + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_UNGATE); + cgs_set_powergating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_GATE); + cz_dpm_update_uvd_dpm(hwmgr, true); + cz_dpm_powerdown_uvd(hwmgr); + } else { + cz_dpm_powerup_uvd(hwmgr); + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_GATE); + cgs_set_powergating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_UNGATE); + cz_dpm_update_uvd_dpm(hwmgr, false); + } + + return 0; +} + +int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating)) { + if (cz_hwmgr->vce_power_gated != bgate) { + if (bgate) { + cgs_set_clockgating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_CG_STATE_UNGATE); + cgs_set_powergating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_PG_STATE_GATE); + cz_enable_disable_vce_dpm(hwmgr, false); + /* TODO: to figure out why vce can't be poweroff*/ + cz_hwmgr->vce_power_gated = true; + } else { + cz_dpm_powerup_vce(hwmgr); + cz_hwmgr->vce_power_gated = false; + cgs_set_clockgating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_PG_STATE_GATE); + cgs_set_powergating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_CG_STATE_UNGATE); + cz_dpm_update_vce_dpm(hwmgr); + cz_enable_disable_vce_dpm(hwmgr, true); + return 0; + } + } + } else { + cz_dpm_update_vce_dpm(hwmgr); + cz_enable_disable_vce_dpm(hwmgr, true); + return 0; + } + + if (!cz_hwmgr->vce_power_gated) + cz_dpm_update_vce_dpm(hwmgr); + + return 0; +} + + +static struct phm_master_table_item cz_enable_clock_power_gatings_list[] = { + /*we don't need an exit table here, because there is only D3 cold on Kv*/ + { phm_cf_want_uvd_power_gating, cz_tf_uvd_power_gating_initialize }, + { phm_cf_want_vce_power_gating, cz_tf_vce_power_gating_initialize }, + /* to do { NULL, cz_tf_xdma_power_gating_enable }, */ + { NULL, NULL } +}; + +struct phm_master_table_header cz_phm_enable_clock_power_gatings_master = { + 0, + PHM_MasterTableFlag_None, + cz_enable_clock_power_gatings_list +}; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.h new file mode 100644 index 000000000000..bbbc0571320e --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.h @@ -0,0 +1,37 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _CZ_CLOCK_POWER_GATING_H_ +#define _CZ_CLOCK_POWER_GATING_H_ + +#include "cz_hwmgr.h" +#include "pp_asicblocks.h" + +extern int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating); +extern struct phm_master_table_header cz_phm_enable_clock_power_gatings_master; +extern struct phm_master_table_header cz_phm_disable_clock_power_gatings_master; +extern int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate); +extern int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate); +extern int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable); +extern int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable); +#endif /* _CZ_CLOCK_POWER_GATING_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c new file mode 100644 index 000000000000..0874ab42ee95 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -0,0 +1,1737 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include "atom-types.h" +#include "atombios.h" +#include "processpptables.h" +#include "pp_debug.h" +#include "cgs_common.h" +#include "smu/smu_8_0_d.h" +#include "smu8_fusion.h" +#include "smu/smu_8_0_sh_mask.h" +#include "smumgr.h" +#include "hwmgr.h" +#include "hardwaremanager.h" +#include "cz_ppsmc.h" +#include "cz_hwmgr.h" +#include "power_state.h" +#include "cz_clockpowergating.h" +#include "pp_debug.h" + +#define ixSMUSVI_NB_CURRENTVID 0xD8230044 +#define CURRENT_NB_VID_MASK 0xff000000 +#define CURRENT_NB_VID__SHIFT 24 +#define ixSMUSVI_GFX_CURRENTVID 0xD8230048 +#define CURRENT_GFX_VID_MASK 0xff000000 +#define CURRENT_GFX_VID__SHIFT 24 + +static const unsigned long PhwCz_Magic = (unsigned long) PHM_Cz_Magic; + +static struct cz_power_state *cast_PhwCzPowerState(struct pp_hw_power_state *hw_ps) +{ + if (PhwCz_Magic != hw_ps->magic) + return NULL; + + return (struct cz_power_state *)hw_ps; +} + +static const struct cz_power_state *cast_const_PhwCzPowerState( + const struct pp_hw_power_state *hw_ps) +{ + if (PhwCz_Magic != hw_ps->magic) + return NULL; + + return (struct cz_power_state *)hw_ps; +} + +uint32_t cz_get_eclk_level(struct pp_hwmgr *hwmgr, + uint32_t clock, uint32_t msg) +{ + int i = 0; + struct phm_vce_clock_voltage_dependency_table *ptable = + hwmgr->dyn_state.vce_clock_voltage_dependency_table; + + switch (msg) { + case PPSMC_MSG_SetEclkSoftMin: + case PPSMC_MSG_SetEclkHardMin: + for (i = 0; i < (int)ptable->count; i++) { + if (clock <= ptable->entries[i].ecclk) + break; + } + break; + + case PPSMC_MSG_SetEclkSoftMax: + case PPSMC_MSG_SetEclkHardMax: + for (i = ptable->count - 1; i >= 0; i--) { + if (clock >= ptable->entries[i].ecclk) + break; + } + break; + + default: + break; + } + + return i; +} + +static uint32_t cz_get_sclk_level(struct pp_hwmgr *hwmgr, + uint32_t clock, uint32_t msg) +{ + int i = 0; + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + switch (msg) { + case PPSMC_MSG_SetSclkSoftMin: + case PPSMC_MSG_SetSclkHardMin: + for (i = 0; i < (int)table->count; i++) { + if (clock <= table->entries[i].clk) + break; + } + break; + + case PPSMC_MSG_SetSclkSoftMax: + case PPSMC_MSG_SetSclkHardMax: + for (i = table->count - 1; i >= 0; i--) { + if (clock >= table->entries[i].clk) + break; + } + break; + + default: + break; + } + return i; +} + +static uint32_t cz_get_uvd_level(struct pp_hwmgr *hwmgr, + uint32_t clock, uint32_t msg) +{ + int i = 0; + struct phm_uvd_clock_voltage_dependency_table *ptable = + hwmgr->dyn_state.uvd_clock_voltage_dependency_table; + + switch (msg) { + case PPSMC_MSG_SetUvdSoftMin: + case PPSMC_MSG_SetUvdHardMin: + for (i = 0; i < (int)ptable->count; i++) { + if (clock <= ptable->entries[i].vclk) + break; + } + break; + + case PPSMC_MSG_SetUvdSoftMax: + case PPSMC_MSG_SetUvdHardMax: + for (i = ptable->count - 1; i >= 0; i--) { + if (clock >= ptable->entries[i].vclk) + break; + } + break; + + default: + break; + } + + return i; +} + +static uint32_t cz_get_max_sclk_level(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->max_sclk_level == 0) { + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxSclkLevel); + cz_hwmgr->max_sclk_level = smum_get_argument(hwmgr->smumgr) + 1; + } + + return cz_hwmgr->max_sclk_level; +} + +static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t i; + + cz_hwmgr->gfx_ramp_step = 256*25/100; + + cz_hwmgr->gfx_ramp_delay = 1; /* by default, we delay 1us */ + + for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++) + cz_hwmgr->activity_target[i] = CZ_AT_DFLT; + + cz_hwmgr->mgcg_cgtt_local0 = 0x00000000; + cz_hwmgr->mgcg_cgtt_local1 = 0x00000000; + + cz_hwmgr->clock_slow_down_freq = 25000; + + cz_hwmgr->skip_clock_slow_down = 1; + + cz_hwmgr->enable_nb_ps_policy = 1; /* disable until UNB is ready, Enabled */ + + cz_hwmgr->voltage_drop_in_dce_power_gating = 0; /* disable until fully verified */ + + cz_hwmgr->voting_rights_clients = 0x00C00033; + + cz_hwmgr->static_screen_threshold = 8; + + cz_hwmgr->ddi_power_gating_disabled = 0; + + cz_hwmgr->bapm_enabled = 1; + + cz_hwmgr->voltage_drop_threshold = 0; + + cz_hwmgr->gfx_power_gating_threshold = 500; + + cz_hwmgr->vce_slow_sclk_threshold = 20000; + + cz_hwmgr->dce_slow_sclk_threshold = 30000; + + cz_hwmgr->disable_driver_thermal_policy = 1; + + cz_hwmgr->disable_nb_ps3_in_battery = 0; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ABM); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_NonABMSupportInPPLib); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicM3Arbiter); + + cz_hwmgr->override_dynamic_mgpg = 1; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicPatchPowerState); + + cz_hwmgr->thermal_auto_throttling_treshold = 0; + + cz_hwmgr->tdr_clock = 0; + + cz_hwmgr->disable_gfx_power_gating_in_uvd = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicUVDState); + + cz_hwmgr->cc6_settings.cpu_cc6_disable = false; + cz_hwmgr->cc6_settings.cpu_pstate_disable = false; + cz_hwmgr->cc6_settings.nb_pstate_switch_disable = false; + cz_hwmgr->cc6_settings.cpu_pstate_separation_time = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableVoltageIsland); + + return 0; +} + +static uint32_t cz_convert_8Bit_index_to_voltage( + struct pp_hwmgr *hwmgr, uint16_t voltage) +{ + return 6200 - (voltage * 25); +} + +static int cz_construct_max_power_limits_table(struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *table) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)hwmgr->backend; + struct cz_sys_info *sys_info = &cz_hwmgr->sys_info; + struct phm_clock_voltage_dependency_table *dep_table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + if (dep_table->count > 0) { + table->sclk = dep_table->entries[dep_table->count-1].clk; + table->vddc = cz_convert_8Bit_index_to_voltage(hwmgr, + (uint16_t)dep_table->entries[dep_table->count-1].v); + } + table->mclk = sys_info->nbp_memory_clock[0]; + return 0; +} + +static int cz_init_dynamic_state_adjustment_rule_settings( + struct pp_hwmgr *hwmgr, + ATOM_CLK_VOLT_CAPABILITY *disp_voltage_table) +{ + uint32_t table_size = + sizeof(struct phm_clock_voltage_dependency_table) + + (7 * sizeof(struct phm_clock_voltage_dependency_record)); + + struct phm_clock_voltage_dependency_table *table_clk_vlt = + kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + printk(KERN_ERR "[ powerplay ] Can not allocate memory!\n"); + return -ENOMEM; + } + + table_clk_vlt->count = 8; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_0; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_1; + table_clk_vlt->entries[1].v = 1; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_2; + table_clk_vlt->entries[2].v = 2; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_3; + table_clk_vlt->entries[3].v = 3; + table_clk_vlt->entries[4].clk = PP_DAL_POWERLEVEL_4; + table_clk_vlt->entries[4].v = 4; + table_clk_vlt->entries[5].clk = PP_DAL_POWERLEVEL_5; + table_clk_vlt->entries[5].v = 5; + table_clk_vlt->entries[6].clk = PP_DAL_POWERLEVEL_6; + table_clk_vlt->entries[6].v = 6; + table_clk_vlt->entries[7].clk = PP_DAL_POWERLEVEL_7; + table_clk_vlt->entries[7].v = 7; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + + return 0; +} + +static int cz_get_system_info_data(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)hwmgr->backend; + ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *info = NULL; + uint32_t i; + int result = 0; + uint8_t frev, crev; + uint16_t size; + + info = (ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *) cgs_atom_get_data_table( + hwmgr->device, + GetIndexIntoMasterTable(DATA, IntegratedSystemInfo), + &size, &frev, &crev); + + if (crev != 9) { + printk(KERN_ERR "[ powerplay ] Unsupported IGP table: %d %d\n", frev, crev); + return -EINVAL; + } + + if (info == NULL) { + printk(KERN_ERR "[ powerplay ] Could not retrieve the Integrated System Info Table!\n"); + return -EINVAL; + } + + cz_hwmgr->sys_info.bootup_uma_clock = + le32_to_cpu(info->ulBootUpUMAClock); + + cz_hwmgr->sys_info.bootup_engine_clock = + le32_to_cpu(info->ulBootUpEngineClock); + + cz_hwmgr->sys_info.dentist_vco_freq = + le32_to_cpu(info->ulDentistVCOFreq); + + cz_hwmgr->sys_info.system_config = + le32_to_cpu(info->ulSystemConfig); + + cz_hwmgr->sys_info.bootup_nb_voltage_index = + le16_to_cpu(info->usBootUpNBVoltage); + + cz_hwmgr->sys_info.htc_hyst_lmt = + (info->ucHtcHystLmt == 0) ? 5 : info->ucHtcHystLmt; + + cz_hwmgr->sys_info.htc_tmp_lmt = + (info->ucHtcTmpLmt == 0) ? 203 : info->ucHtcTmpLmt; + + if (cz_hwmgr->sys_info.htc_tmp_lmt <= + cz_hwmgr->sys_info.htc_hyst_lmt) { + printk(KERN_ERR "[ powerplay ] The htcTmpLmt should be larger than htcHystLmt.\n"); + return -EINVAL; + } + + cz_hwmgr->sys_info.nb_dpm_enable = + cz_hwmgr->enable_nb_ps_policy && + (le32_to_cpu(info->ulSystemConfig) >> 3 & 0x1); + + for (i = 0; i < CZ_NUM_NBPSTATES; i++) { + if (i < CZ_NUM_NBPMEMORYCLOCK) { + cz_hwmgr->sys_info.nbp_memory_clock[i] = + le32_to_cpu(info->ulNbpStateMemclkFreq[i]); + } + cz_hwmgr->sys_info.nbp_n_clock[i] = + le32_to_cpu(info->ulNbpStateNClkFreq[i]); + } + + for (i = 0; i < MAX_DISPLAY_CLOCK_LEVEL; i++) { + cz_hwmgr->sys_info.display_clock[i] = + le32_to_cpu(info->sDispClkVoltageMapping[i].ulMaximumSupportedCLK); + } + + /* Here use 4 levels, make sure not exceed */ + for (i = 0; i < CZ_NUM_NBPSTATES; i++) { + cz_hwmgr->sys_info.nbp_voltage_index[i] = + le16_to_cpu(info->usNBPStateVoltage[i]); + } + + if (!cz_hwmgr->sys_info.nb_dpm_enable) { + for (i = 1; i < CZ_NUM_NBPSTATES; i++) { + if (i < CZ_NUM_NBPMEMORYCLOCK) { + cz_hwmgr->sys_info.nbp_memory_clock[i] = + cz_hwmgr->sys_info.nbp_memory_clock[0]; + } + cz_hwmgr->sys_info.nbp_n_clock[i] = + cz_hwmgr->sys_info.nbp_n_clock[0]; + cz_hwmgr->sys_info.nbp_voltage_index[i] = + cz_hwmgr->sys_info.nbp_voltage_index[0]; + } + } + + if (le32_to_cpu(info->ulGPUCapInfo) & + SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableDFSBypass); + } + + cz_hwmgr->sys_info.uma_channel_number = info->ucUMAChannelNumber; + + cz_construct_max_power_limits_table (hwmgr, + &hwmgr->dyn_state.max_clock_voltage_on_ac); + + cz_init_dynamic_state_adjustment_rule_settings(hwmgr, + &info->sDISPCLK_Voltage[0]); + + return result; +} + +static int cz_construct_boot_state(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->boot_power_level.engineClock = + cz_hwmgr->sys_info.bootup_engine_clock; + + cz_hwmgr->boot_power_level.vddcIndex = + (uint8_t)cz_hwmgr->sys_info.bootup_nb_voltage_index; + + cz_hwmgr->boot_power_level.dsDividerIndex = 0; + + cz_hwmgr->boot_power_level.ssDividerIndex = 0; + + cz_hwmgr->boot_power_level.allowGnbSlow = 1; + + cz_hwmgr->boot_power_level.forceNBPstate = 0; + + cz_hwmgr->boot_power_level.hysteresis_up = 0; + + cz_hwmgr->boot_power_level.numSIMDToPowerDown = 0; + + cz_hwmgr->boot_power_level.display_wm = 0; + + cz_hwmgr->boot_power_level.vce_wm = 0; + + return 0; +} + +static int cz_tf_reset_active_process_mask(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + return 0; +} + +static int cz_tf_upload_pptable_to_smu(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct SMU8_Fusion_ClkTable *clock_table; + int ret; + uint32_t i; + void *table = NULL; + pp_atomctrl_clock_dividers_kong dividers; + + struct phm_clock_voltage_dependency_table *vddc_table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + struct phm_clock_voltage_dependency_table *vdd_gfx_table = + hwmgr->dyn_state.vdd_gfx_dependency_on_sclk; + struct phm_acp_clock_voltage_dependency_table *acp_table = + hwmgr->dyn_state.acp_clock_voltage_dependency_table; + struct phm_uvd_clock_voltage_dependency_table *uvd_table = + hwmgr->dyn_state.uvd_clock_voltage_dependency_table; + struct phm_vce_clock_voltage_dependency_table *vce_table = + hwmgr->dyn_state.vce_clock_voltage_dependency_table; + + if (!hwmgr->need_pp_table_upload) + return 0; + + ret = smum_download_powerplay_table(hwmgr->smumgr, &table); + + PP_ASSERT_WITH_CODE((0 == ret && NULL != table), + "Fail to get clock table from SMU!", return -EINVAL;); + + clock_table = (struct SMU8_Fusion_ClkTable *)table; + + /* patch clock table */ + PP_ASSERT_WITH_CODE((vddc_table->count <= CZ_MAX_HARDWARE_POWERLEVELS), + "Dependency table entry exceeds max limit!", return -EINVAL;); + PP_ASSERT_WITH_CODE((vdd_gfx_table->count <= CZ_MAX_HARDWARE_POWERLEVELS), + "Dependency table entry exceeds max limit!", return -EINVAL;); + PP_ASSERT_WITH_CODE((acp_table->count <= CZ_MAX_HARDWARE_POWERLEVELS), + "Dependency table entry exceeds max limit!", return -EINVAL;); + PP_ASSERT_WITH_CODE((uvd_table->count <= CZ_MAX_HARDWARE_POWERLEVELS), + "Dependency table entry exceeds max limit!", return -EINVAL;); + PP_ASSERT_WITH_CODE((vce_table->count <= CZ_MAX_HARDWARE_POWERLEVELS), + "Dependency table entry exceeds max limit!", return -EINVAL;); + + for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++) { + + /* vddc_sclk */ + clock_table->SclkBreakdownTable.ClkLevel[i].GnbVid = + (i < vddc_table->count) ? (uint8_t)vddc_table->entries[i].v : 0; + clock_table->SclkBreakdownTable.ClkLevel[i].Frequency = + (i < vddc_table->count) ? vddc_table->entries[i].clk : 0; + + atomctrl_get_engine_pll_dividers_kong(hwmgr, + clock_table->SclkBreakdownTable.ClkLevel[i].Frequency, + ÷rs); + + clock_table->SclkBreakdownTable.ClkLevel[i].DfsDid = + (uint8_t)dividers.pll_post_divider; + + /* vddgfx_sclk */ + clock_table->SclkBreakdownTable.ClkLevel[i].GfxVid = + (i < vdd_gfx_table->count) ? (uint8_t)vdd_gfx_table->entries[i].v : 0; + + /* acp breakdown */ + clock_table->AclkBreakdownTable.ClkLevel[i].GfxVid = + (i < acp_table->count) ? (uint8_t)acp_table->entries[i].v : 0; + clock_table->AclkBreakdownTable.ClkLevel[i].Frequency = + (i < acp_table->count) ? acp_table->entries[i].acpclk : 0; + + atomctrl_get_engine_pll_dividers_kong(hwmgr, + clock_table->AclkBreakdownTable.ClkLevel[i].Frequency, + ÷rs); + + clock_table->AclkBreakdownTable.ClkLevel[i].DfsDid = + (uint8_t)dividers.pll_post_divider; + + + /* uvd breakdown */ + clock_table->VclkBreakdownTable.ClkLevel[i].GfxVid = + (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0; + clock_table->VclkBreakdownTable.ClkLevel[i].Frequency = + (i < uvd_table->count) ? uvd_table->entries[i].vclk : 0; + + atomctrl_get_engine_pll_dividers_kong(hwmgr, + clock_table->VclkBreakdownTable.ClkLevel[i].Frequency, + ÷rs); + + clock_table->VclkBreakdownTable.ClkLevel[i].DfsDid = + (uint8_t)dividers.pll_post_divider; + + clock_table->DclkBreakdownTable.ClkLevel[i].GfxVid = + (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0; + clock_table->DclkBreakdownTable.ClkLevel[i].Frequency = + (i < uvd_table->count) ? uvd_table->entries[i].dclk : 0; + + atomctrl_get_engine_pll_dividers_kong(hwmgr, + clock_table->DclkBreakdownTable.ClkLevel[i].Frequency, + ÷rs); + + clock_table->DclkBreakdownTable.ClkLevel[i].DfsDid = + (uint8_t)dividers.pll_post_divider; + + /* vce breakdown */ + clock_table->EclkBreakdownTable.ClkLevel[i].GfxVid = + (i < vce_table->count) ? (uint8_t)vce_table->entries[i].v : 0; + clock_table->EclkBreakdownTable.ClkLevel[i].Frequency = + (i < vce_table->count) ? vce_table->entries[i].ecclk : 0; + + + atomctrl_get_engine_pll_dividers_kong(hwmgr, + clock_table->EclkBreakdownTable.ClkLevel[i].Frequency, + ÷rs); + + clock_table->EclkBreakdownTable.ClkLevel[i].DfsDid = + (uint8_t)dividers.pll_post_divider; + + } + ret = smum_upload_powerplay_table(hwmgr->smumgr); + + return ret; +} + +static int cz_tf_init_sclk_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + unsigned long clock = 0, level; + + if (NULL == table || table->count <= 0) + return -EINVAL; + + cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk; + cz_hwmgr->sclk_dpm.hard_min_clk = table->entries[0].clk; + + level = cz_get_max_sclk_level(hwmgr) - 1; + + if (level < table->count) + clock = table->entries[level].clk; + else + clock = table->entries[table->count - 1].clk; + + cz_hwmgr->sclk_dpm.soft_max_clk = clock; + cz_hwmgr->sclk_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_uvd_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_uvd_clock_voltage_dependency_table *table = + hwmgr->dyn_state.uvd_clock_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table || table->count <= 0) + return -EINVAL; + + cz_hwmgr->uvd_dpm.soft_min_clk = 0; + cz_hwmgr->uvd_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxUvdLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].vclk; + else + clock = table->entries[table->count - 1].vclk; + + cz_hwmgr->uvd_dpm.soft_max_clk = clock; + cz_hwmgr->uvd_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_vce_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_vce_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vce_clock_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table || table->count <= 0) + return -EINVAL; + + cz_hwmgr->vce_dpm.soft_min_clk = 0; + cz_hwmgr->vce_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxEclkLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].ecclk; + else + clock = table->entries[table->count - 1].ecclk; + + cz_hwmgr->vce_dpm.soft_max_clk = clock; + cz_hwmgr->vce_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_acp_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_acp_clock_voltage_dependency_table *table = + hwmgr->dyn_state.acp_clock_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table || table->count <= 0) + return -EINVAL; + + cz_hwmgr->acp_dpm.soft_min_clk = 0; + cz_hwmgr->acp_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxAclkLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].acpclk; + else + clock = table->entries[table->count - 1].acpclk; + + cz_hwmgr->acp_dpm.soft_max_clk = clock; + cz_hwmgr->acp_dpm.hard_max_clk = clock; + return 0; +} + +static int cz_tf_init_power_gate_state(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->uvd_power_gated = false; + cz_hwmgr->vce_power_gated = false; + cz_hwmgr->samu_power_gated = false; + cz_hwmgr->acp_power_gated = false; + cz_hwmgr->pgacpinit = true; + + return 0; +} + +static int cz_tf_init_sclk_threshold(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->low_sclk_interrupt_threshold = 0; + + return 0; +} +static int cz_tf_update_sclk_limit(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + unsigned long clock = 0; + unsigned long level; + unsigned long stable_pstate_sclk; + struct PP_Clocks clocks; + unsigned long percentage; + + cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk; + level = cz_get_max_sclk_level(hwmgr) - 1; + + if (level < table->count) + cz_hwmgr->sclk_dpm.soft_max_clk = table->entries[level].clk; + else + cz_hwmgr->sclk_dpm.soft_max_clk = table->entries[table->count - 1].clk; + + /*PECI_GetMinClockSettings(pHwMgr->pPECI, &clocks);*/ + clock = clocks.engineClock; + + if (cz_hwmgr->sclk_dpm.hard_min_clk != clock) { + cz_hwmgr->sclk_dpm.hard_min_clk = clock; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkHardMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.hard_min_clk, + PPSMC_MSG_SetSclkHardMin)); + } + + clock = cz_hwmgr->sclk_dpm.soft_min_clk; + + /* update minimum clocks for Stable P-State feature */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + percentage = 75; + /*Sclk - calculate sclk value based on percentage and find FLOOR sclk from VddcDependencyOnSCLK table */ + stable_pstate_sclk = (hwmgr->dyn_state.max_clock_voltage_on_ac.mclk * + percentage) / 100; + + if (clock < stable_pstate_sclk) + clock = stable_pstate_sclk; + } else { + if (clock < hwmgr->gfx_arbiter.sclk) + clock = hwmgr->gfx_arbiter.sclk; + } + + if (cz_hwmgr->sclk_dpm.soft_min_clk != clock) { + cz_hwmgr->sclk_dpm.soft_min_clk = clock; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_min_clk, + PPSMC_MSG_SetSclkSoftMin)); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState) && + cz_hwmgr->sclk_dpm.soft_max_clk != clock) { + cz_hwmgr->sclk_dpm.soft_max_clk = clock; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + } + + return 0; +} + +static int cz_tf_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep)) { + uint32_t clks = hwmgr->display_config.min_core_set_clock_in_sr; + if (clks == 0) + clks = CZ_MIN_DEEP_SLEEP_SCLK; + + PP_DBG_LOG("Setting Deep Sleep Clock: %d\n", clks); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetMinDeepSleepSclk, + clks); + } + + return 0; +} + +static int cz_tf_set_watermark_threshold(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = + (struct cz_hwmgr *)(hwmgr->backend); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetWatermarkFrequency, + cz_hwmgr->sclk_dpm.soft_max_clk); + + return 0; +} + +static int cz_tf_set_enabled_levels(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + return 0; +} + + +static int cz_tf_enable_nb_dpm(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + int ret = 0; + + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + unsigned long dpm_features = 0; + + if (!cz_hwmgr->is_nb_dpm_enabled) { + PP_DBG_LOG("enabling ALL SMU features.\n"); + dpm_features |= NB_DPM_MASK; + ret = smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_EnableAllSmuFeatures, + dpm_features); + if (ret == 0) + cz_hwmgr->is_nb_dpm_enabled = true; + } + + return ret; +} + +static int cz_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable, bool lock) +{ + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + + if (hw_data->is_nb_dpm_enabled) { + if (enable) { + PP_DBG_LOG("enable Low Memory PState.\n"); + + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_EnableLowMemoryPstate, + (lock ? 1 : 0)); + } else { + PP_DBG_LOG("disable Low Memory PState.\n"); + + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_DisableLowMemoryPstate, + (lock ? 1 : 0)); + } + } + + return 0; +} + +static int cz_tf_update_low_mem_pstate(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + bool disable_switch; + bool enable_low_mem_state; + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + const struct phm_set_power_state_input *states = (struct phm_set_power_state_input *)input; + const struct cz_power_state *pnew_state = cast_const_PhwCzPowerState(states->pnew_state); + + if (hw_data->sys_info.nb_dpm_enable) { + disable_switch = hw_data->cc6_settings.nb_pstate_switch_disable ? true : false; + enable_low_mem_state = hw_data->cc6_settings.nb_pstate_switch_disable ? false : true; + + if (pnew_state->action == FORCE_HIGH) + cz_nbdpm_pstate_enable_disable(hwmgr, false, disable_switch); + else if(pnew_state->action == CANCEL_FORCE_HIGH) + cz_nbdpm_pstate_enable_disable(hwmgr, false, disable_switch); + else + cz_nbdpm_pstate_enable_disable(hwmgr, enable_low_mem_state, disable_switch); + } + return 0; +} + +static struct phm_master_table_item cz_set_power_state_list[] = { + {NULL, cz_tf_update_sclk_limit}, + {NULL, cz_tf_set_deep_sleep_sclk_threshold}, + {NULL, cz_tf_set_watermark_threshold}, + {NULL, cz_tf_set_enabled_levels}, + {NULL, cz_tf_enable_nb_dpm}, + {NULL, cz_tf_update_low_mem_pstate}, + {NULL, NULL} +}; + +static struct phm_master_table_header cz_set_power_state_master = { + 0, + PHM_MasterTableFlag_None, + cz_set_power_state_list +}; + +static struct phm_master_table_item cz_setup_asic_list[] = { + {NULL, cz_tf_reset_active_process_mask}, + {NULL, cz_tf_upload_pptable_to_smu}, + {NULL, cz_tf_init_sclk_limit}, + {NULL, cz_tf_init_uvd_limit}, + {NULL, cz_tf_init_vce_limit}, + {NULL, cz_tf_init_acp_limit}, + {NULL, cz_tf_init_power_gate_state}, + {NULL, cz_tf_init_sclk_threshold}, + {NULL, NULL} +}; + +static struct phm_master_table_header cz_setup_asic_master = { + 0, + PHM_MasterTableFlag_None, + cz_setup_asic_list +}; + +static int cz_tf_power_up_display_clock_sys_pll(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + hw_data->disp_clk_bypass_pending = false; + hw_data->disp_clk_bypass = false; + + return 0; +} + +static int cz_tf_clear_nb_dpm_flag(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + hw_data->is_nb_dpm_enabled = false; + + return 0; +} + +static int cz_tf_reset_cc6_data(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + + hw_data->cc6_settings.cc6_setting_changed = false; + hw_data->cc6_settings.cpu_pstate_separation_time = 0; + hw_data->cc6_settings.cpu_cc6_disable = false; + hw_data->cc6_settings.cpu_pstate_disable = false; + + return 0; +} + +static struct phm_master_table_item cz_power_down_asic_list[] = { + {NULL, cz_tf_power_up_display_clock_sys_pll}, + {NULL, cz_tf_clear_nb_dpm_flag}, + {NULL, cz_tf_reset_cc6_data}, + {NULL, NULL} +}; + +static struct phm_master_table_header cz_power_down_asic_master = { + 0, + PHM_MasterTableFlag_None, + cz_power_down_asic_list +}; + +static int cz_tf_program_voting_clients(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + PHMCZ_WRITE_SMC_REGISTER(hwmgr->device, CG_FREQ_TRAN_VOTING_0, + PPCZ_VOTINGRIGHTSCLIENTS_DFLT0); + return 0; +} + +static int cz_tf_start_dpm(struct pp_hwmgr *hwmgr, void *input, void *output, + void *storage, int result) +{ + int res = 0xff; + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + unsigned long dpm_features = 0; + + cz_hwmgr->dpm_flags |= DPMFlags_SCLK_Enabled; + dpm_features |= SCLK_DPM_MASK; + + res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_EnableAllSmuFeatures, + dpm_features); + + return res; +} + +static int cz_tf_program_bootup_state(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->sclk_dpm.soft_min_clk = cz_hwmgr->sys_info.bootup_engine_clock; + cz_hwmgr->sclk_dpm.soft_max_clk = cz_hwmgr->sys_info.bootup_engine_clock; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_min_clk, + PPSMC_MSG_SetSclkSoftMin)); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + + return 0; +} + +int cz_tf_reset_acp_boot_level(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->acp_boot_level = 0xff; + return 0; +} + +static bool cz_dpm_check_smu_features(struct pp_hwmgr *hwmgr, + unsigned long check_feature) +{ + int result; + unsigned long features; + + result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_GetFeatureStatus, 0); + if (result == 0) { + features = smum_get_argument(hwmgr->smumgr); + if (features & check_feature) + return true; + } + + return result; +} + +static int cz_tf_check_for_dpm_disabled(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + if (cz_dpm_check_smu_features(hwmgr, SMU_EnabledFeatureScoreboard_SclkDpmOn)) + return PP_Result_TableImmediateExit; + return 0; +} + +static int cz_tf_enable_didt(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + /* TO DO */ + return 0; +} + +static int cz_tf_check_for_dpm_enabled(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + if (!cz_dpm_check_smu_features(hwmgr, + SMU_EnabledFeatureScoreboard_SclkDpmOn)) + return PP_Result_TableImmediateExit; + return 0; +} + +static struct phm_master_table_item cz_disable_dpm_list[] = { + { NULL, cz_tf_check_for_dpm_enabled}, + {NULL, NULL}, +}; + + +static struct phm_master_table_header cz_disable_dpm_master = { + 0, + PHM_MasterTableFlag_None, + cz_disable_dpm_list +}; + +static struct phm_master_table_item cz_enable_dpm_list[] = { + { NULL, cz_tf_check_for_dpm_disabled }, + { NULL, cz_tf_program_voting_clients }, + { NULL, cz_tf_start_dpm}, + { NULL, cz_tf_program_bootup_state}, + { NULL, cz_tf_enable_didt }, + { NULL, cz_tf_reset_acp_boot_level }, + {NULL, NULL}, +}; + +static struct phm_master_table_header cz_enable_dpm_master = { + 0, + PHM_MasterTableFlag_None, + cz_enable_dpm_list +}; + +static int cz_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + struct pp_power_state *prequest_ps, + const struct pp_power_state *pcurrent_ps) +{ + struct cz_power_state *cz_ps = + cast_PhwCzPowerState(&prequest_ps->hardware); + + const struct cz_power_state *cz_current_ps = + cast_const_PhwCzPowerState(&pcurrent_ps->hardware); + + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct PP_Clocks clocks; + bool force_high; + unsigned long num_of_active_displays = 4; + + cz_ps->evclk = hwmgr->vce_arbiter.evclk; + cz_ps->ecclk = hwmgr->vce_arbiter.ecclk; + + cz_ps->need_dfs_bypass = true; + + cz_hwmgr->video_start = (hwmgr->uvd_arbiter.vclk != 0 || hwmgr->uvd_arbiter.dclk != 0 || + hwmgr->vce_arbiter.evclk != 0 || hwmgr->vce_arbiter.ecclk != 0); + + cz_hwmgr->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); + + /* to do PECI_GetMinClockSettings(pHwMgr->pPECI, &clocks); */ + /* PECI_GetNumberOfActiveDisplays(pHwMgr->pPECI, &numOfActiveDisplays); */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) + clocks.memoryClock = hwmgr->dyn_state.max_clock_voltage_on_ac.mclk; + else + clocks.memoryClock = 0; + + if (clocks.memoryClock < hwmgr->gfx_arbiter.mclk) + clocks.memoryClock = hwmgr->gfx_arbiter.mclk; + + force_high = (clocks.memoryClock > cz_hwmgr->sys_info.nbp_memory_clock[CZ_NUM_NBPMEMORYCLOCK - 1]) + || (num_of_active_displays >= 3); + + cz_ps->action = cz_current_ps->action; + + if ((force_high == false) && (cz_ps->action == FORCE_HIGH)) + cz_ps->action = CANCEL_FORCE_HIGH; + else if ((force_high == true) && (cz_ps->action != FORCE_HIGH)) + cz_ps->action = FORCE_HIGH; + else + cz_ps->action = DO_NOTHING; + + return 0; +} + +static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr) +{ + int result = 0; + + result = cz_initialize_dpm_defaults(hwmgr); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] cz_initialize_dpm_defaults failed\n"); + return result; + } + + result = cz_get_system_info_data(hwmgr); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] cz_get_system_info_data failed\n"); + return result; + } + + cz_construct_boot_state(hwmgr); + + result = phm_construct_table(hwmgr, &cz_setup_asic_master, + &(hwmgr->setup_asic)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to construct setup ASIC\n"); + return result; + } + + result = phm_construct_table(hwmgr, &cz_power_down_asic_master, + &(hwmgr->power_down_asic)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to construct power down ASIC\n"); + return result; + } + + result = phm_construct_table(hwmgr, &cz_disable_dpm_master, + &(hwmgr->disable_dynamic_state_management)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to disable_dynamic_state\n"); + return result; + } + result = phm_construct_table(hwmgr, &cz_enable_dpm_master, + &(hwmgr->enable_dynamic_state_management)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to enable_dynamic_state\n"); + return result; + } + result = phm_construct_table(hwmgr, &cz_set_power_state_master, + &(hwmgr->set_power_state)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to construct set_power_state\n"); + return result; + } + + result = phm_construct_table(hwmgr, &cz_phm_enable_clock_power_gatings_master, &(hwmgr->enable_clock_power_gatings)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to construct enable_clock_power_gatings\n"); + return result; + } + return result; +} + +static int cz_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + if (hwmgr != NULL || hwmgr->backend != NULL) { + kfree(hwmgr->backend); + kfree(hwmgr); + } + return 0; +} + +int cz_phm_force_dpm_highest(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->sclk_dpm.soft_min_clk != + cz_hwmgr->sclk_dpm.soft_max_clk) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMin)); + return 0; +} + +int cz_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + unsigned long clock = 0, level; + + if (NULL == table || table->count <= 0) + return -EINVAL; + + cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk; + cz_hwmgr->sclk_dpm.hard_min_clk = table->entries[0].clk; + + level = cz_get_max_sclk_level(hwmgr) - 1; + + if (level < table->count) + clock = table->entries[level].clk; + else + clock = table->entries[table->count - 1].clk; + + cz_hwmgr->sclk_dpm.soft_max_clk = clock; + cz_hwmgr->sclk_dpm.hard_max_clk = clock; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_min_clk, + PPSMC_MSG_SetSclkSoftMin)); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + + return 0; +} + +int cz_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->sclk_dpm.soft_min_clk != + cz_hwmgr->sclk_dpm.soft_max_clk) { + cz_hwmgr->sclk_dpm.soft_max_clk = + cz_hwmgr->sclk_dpm.soft_min_clk; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + } + + return 0; +} + +static int cz_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + ret = cz_phm_force_dpm_highest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_LOW: + ret = cz_phm_force_dpm_lowest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_AUTO: + ret = cz_phm_unforce_dpm_levels(hwmgr); + if (ret) + return ret; + break; + default: + break; + } + + hwmgr->dpm_level = level; + + return ret; +} + +int cz_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_UVDPowerOFF); + return 0; +} + +int cz_dpm_powerup_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating)) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDDynamicPowerGating)) { + return smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 1); + } else { + return smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 0); + } + } + + return 0; +} + +int cz_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_uvd_clock_voltage_dependency_table *ptable = + hwmgr->dyn_state.uvd_clock_voltage_dependency_table; + + if (!bgate) { + /* Stable Pstate is enabled and we need to set the UVD DPM to highest level */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + cz_hwmgr->uvd_dpm.hard_min_clk = + ptable->entries[ptable->count - 1].vclk; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetUvdHardMin, + cz_get_uvd_level(hwmgr, + cz_hwmgr->uvd_dpm.hard_min_clk, + PPSMC_MSG_SetUvdHardMin)); + + cz_enable_disable_uvd_dpm(hwmgr, true); + } else + cz_enable_disable_uvd_dpm(hwmgr, true); + } else + cz_enable_disable_uvd_dpm(hwmgr, false); + + return 0; +} + +int cz_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_vce_clock_voltage_dependency_table *ptable = + hwmgr->dyn_state.vce_clock_voltage_dependency_table; + + /* Stable Pstate is enabled and we need to set the VCE DPM to highest level */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + cz_hwmgr->vce_dpm.hard_min_clk = + ptable->entries[ptable->count - 1].ecclk; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetEclkHardMin, + cz_get_eclk_level(hwmgr, + cz_hwmgr->vce_dpm.hard_min_clk, + PPSMC_MSG_SetEclkHardMin)); + } else { + /*EPR# 419220 -HW limitation to to */ + cz_hwmgr->vce_dpm.hard_min_clk = hwmgr->vce_arbiter.ecclk; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetEclkHardMin, + cz_get_eclk_level(hwmgr, + cz_hwmgr->vce_dpm.hard_min_clk, + PPSMC_MSG_SetEclkHardMin)); + + } + return 0; +} + +int cz_dpm_powerdown_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerOFF); + return 0; +} + +int cz_dpm_powerup_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerON); + return 0; +} + +static int cz_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + return cz_hwmgr->sys_info.bootup_uma_clock; +} + +static int cz_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct cz_power_state *cz_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + cz_ps = cast_PhwCzPowerState(&ps->hardware); + + if (low) + return cz_ps->levels[0].engineClock; + else + return cz_ps->levels[cz_ps->level-1].engineClock; +} + +static int cz_dpm_patch_boot_state(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct cz_power_state *cz_ps = cast_PhwCzPowerState(hw_ps); + + cz_ps->level = 1; + cz_ps->nbps_flags = 0; + cz_ps->bapm_flags = 0; + cz_ps->levels[0] = cz_hwmgr->boot_power_level; + + return 0; +} + +static int cz_dpm_get_pp_table_entry_callback( + struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps, + unsigned int index, + const void *clock_info) +{ + struct cz_power_state *cz_ps = cast_PhwCzPowerState(hw_ps); + + const ATOM_PPLIB_CZ_CLOCK_INFO *cz_clock_info = clock_info; + + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + uint8_t clock_info_index = cz_clock_info->index; + + if (clock_info_index > (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1)) + clock_info_index = (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1); + + cz_ps->levels[index].engineClock = table->entries[clock_info_index].clk; + cz_ps->levels[index].vddcIndex = (uint8_t)table->entries[clock_info_index].v; + + cz_ps->level = index + 1; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cz_ps->levels[index].dsDividerIndex = 5; + cz_ps->levels[index].ssDividerIndex = 5; + } + + return 0; +} + +static int cz_dpm_get_num_of_pp_table_entries(struct pp_hwmgr *hwmgr) +{ + int result; + unsigned long ret = 0; + + result = pp_tables_get_num_of_entries(hwmgr, &ret); + + return result ? 0 : ret; +} + +static int cz_dpm_get_pp_table_entry(struct pp_hwmgr *hwmgr, + unsigned long entry, struct pp_power_state *ps) +{ + int result; + struct cz_power_state *cz_ps; + + ps->hardware.magic = PhwCz_Magic; + + cz_ps = cast_PhwCzPowerState(&(ps->hardware)); + + result = pp_tables_get_entry(hwmgr, entry, ps, + cz_dpm_get_pp_table_entry_callback); + + cz_ps->uvd_clocks.vclk = ps->uvd_clocks.VCLK; + cz_ps->uvd_clocks.dclk = ps->uvd_clocks.DCLK; + + return result; +} + +int cz_get_power_state_size(struct pp_hwmgr *hwmgr) +{ + return sizeof(struct cz_power_state); +} + +static void +cz_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + struct phm_vce_clock_voltage_dependency_table *vce_table = + hwmgr->dyn_state.vce_clock_voltage_dependency_table; + + struct phm_uvd_clock_voltage_dependency_table *uvd_table = + hwmgr->dyn_state.uvd_clock_voltage_dependency_table; + + uint32_t sclk_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX), + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX); + uint32_t uvd_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX); + uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX); + + uint32_t sclk, vclk, dclk, ecclk, tmp, activity_percent; + uint16_t vddnb, vddgfx; + int result; + + if (sclk_index >= NUM_SCLK_LEVELS) { + seq_printf(m, "\n invalid sclk dpm profile %d\n", sclk_index); + } else { + sclk = table->entries[sclk_index].clk; + seq_printf(m, "\n index: %u sclk: %u MHz\n", sclk_index, sclk/100); + } + + tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) & + CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; + vddnb = cz_convert_8Bit_index_to_voltage(hwmgr, tmp); + tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) & + CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; + vddgfx = cz_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp); + seq_printf(m, "\n vddnb: %u vddgfx: %u\n", vddnb, vddgfx); + + seq_printf(m, "\n uvd %sabled\n", cz_hwmgr->uvd_power_gated ? "dis" : "en"); + if (!cz_hwmgr->uvd_power_gated) { + if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "\n invalid uvd dpm level %d\n", uvd_index); + } else { + vclk = uvd_table->entries[uvd_index].vclk; + dclk = uvd_table->entries[uvd_index].dclk; + seq_printf(m, "\n index: %u uvd vclk: %u MHz dclk: %u MHz\n", uvd_index, vclk/100, dclk/100); + } + } + + seq_printf(m, "\n vce %sabled\n", cz_hwmgr->vce_power_gated ? "dis" : "en"); + if (!cz_hwmgr->vce_power_gated) { + if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "\n invalid vce dpm level %d\n", vce_index); + } else { + ecclk = vce_table->entries[vce_index].ecclk; + seq_printf(m, "\n index: %u vce ecclk: %u MHz\n", vce_index, ecclk/100); + } + } + + result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetAverageGraphicsActivity); + if (0 == result) { + activity_percent = cgs_read_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0); + activity_percent = activity_percent > 100 ? 100 : activity_percent; + } else { + activity_percent = 50; + } + + seq_printf(m, "\n [GPU load]: %u %%\n\n", activity_percent); +} + +static void cz_hw_print_display_cfg( + const struct cc6_settings *cc6_settings) +{ + PP_DBG_LOG("New Display Configuration:\n"); + + PP_DBG_LOG(" cpu_cc6_disable: %d\n", + cc6_settings->cpu_cc6_disable); + PP_DBG_LOG(" cpu_pstate_disable: %d\n", + cc6_settings->cpu_pstate_disable); + PP_DBG_LOG(" nb_pstate_switch_disable: %d\n", + cc6_settings->nb_pstate_switch_disable); + PP_DBG_LOG(" cpu_pstate_separation_time: %d\n\n", + cc6_settings->cpu_pstate_separation_time); +} + + static int cz_set_cpu_power_state(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t data = 0; + + if (hw_data->cc6_settings.cc6_setting_changed == true) { + + hw_data->cc6_settings.cc6_setting_changed = false; + + cz_hw_print_display_cfg(&hw_data->cc6_settings); + + data |= (hw_data->cc6_settings.cpu_pstate_separation_time + & PWRMGT_SEPARATION_TIME_MASK) + << PWRMGT_SEPARATION_TIME_SHIFT; + + data|= (hw_data->cc6_settings.cpu_cc6_disable ? 0x1 : 0x0) + << PWRMGT_DISABLE_CPU_CSTATES_SHIFT; + + data|= (hw_data->cc6_settings.cpu_pstate_disable ? 0x1 : 0x0) + << PWRMGT_DISABLE_CPU_PSTATES_SHIFT; + + PP_DBG_LOG("SetDisplaySizePowerParams data: 0x%X\n", + data); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetDisplaySizePowerParams, + data); + } + + return 0; +} + + + static int cz_store_cc6_data(struct pp_hwmgr *hwmgr, uint32_t separation_time, + bool cc6_disable, bool pstate_disable, bool pstate_switch_disable) + { + struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); + + if (separation_time != + hw_data->cc6_settings.cpu_pstate_separation_time + || cc6_disable != + hw_data->cc6_settings.cpu_cc6_disable + || pstate_disable != + hw_data->cc6_settings.cpu_pstate_disable + || pstate_switch_disable != + hw_data->cc6_settings.nb_pstate_switch_disable) { + + hw_data->cc6_settings.cc6_setting_changed = true; + + hw_data->cc6_settings.cpu_pstate_separation_time = + separation_time; + hw_data->cc6_settings.cpu_cc6_disable = + cc6_disable; + hw_data->cc6_settings.cpu_pstate_disable = + pstate_disable; + hw_data->cc6_settings.nb_pstate_switch_disable = + pstate_switch_disable; + + } + + return 0; +} + + static int cz_get_dal_power_level(struct pp_hwmgr *hwmgr, + struct amd_pp_dal_clock_info*info) +{ + uint32_t i; + const struct phm_clock_voltage_dependency_table * table = + hwmgr->dyn_state.vddc_dep_on_dal_pwrl; + const struct phm_clock_and_voltage_limits* limits = + &hwmgr->dyn_state.max_clock_voltage_on_ac; + + info->engine_max_clock = limits->sclk; + info->memory_max_clock = limits->mclk; + + for (i = table->count - 1; i > 0; i--) { + + if (limits->vddc >= table->entries[i].v) { + info->level = table->entries[i].clk; + return 0; + } + } + return -EINVAL; +} + +static const struct pp_hwmgr_func cz_hwmgr_funcs = { + .backend_init = cz_hwmgr_backend_init, + .backend_fini = cz_hwmgr_backend_fini, + .asic_setup = NULL, + .apply_state_adjust_rules = cz_apply_state_adjust_rules, + .force_dpm_level = cz_dpm_force_dpm_level, + .get_power_state_size = cz_get_power_state_size, + .powerdown_uvd = cz_dpm_powerdown_uvd, + .powergate_uvd = cz_dpm_powergate_uvd, + .powergate_vce = cz_dpm_powergate_vce, + .get_mclk = cz_dpm_get_mclk, + .get_sclk = cz_dpm_get_sclk, + .patch_boot_state = cz_dpm_patch_boot_state, + .get_pp_table_entry = cz_dpm_get_pp_table_entry, + .get_num_of_pp_table_entries = cz_dpm_get_num_of_pp_table_entries, + .print_current_perforce_level = cz_print_current_perforce_level, + .set_cpu_power_state = cz_set_cpu_power_state, + .store_cc6_data = cz_store_cc6_data, + .get_dal_power_level= cz_get_dal_power_level, +}; + +int cz_hwmgr_init(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr; + int ret = 0; + + cz_hwmgr = kzalloc(sizeof(struct cz_hwmgr), GFP_KERNEL); + if (cz_hwmgr == NULL) + return -ENOMEM; + + hwmgr->backend = cz_hwmgr; + hwmgr->hwmgr_func = &cz_hwmgr_funcs; + hwmgr->pptable_func = &pptable_funcs; + return ret; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h new file mode 100644 index 000000000000..c477f1cf3f23 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h @@ -0,0 +1,326 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _CZ_HWMGR_H_ +#define _CZ_HWMGR_H_ + +#include "cgs_common.h" +#include "ppatomctrl.h" + +#define CZ_NUM_NBPSTATES 4 +#define CZ_NUM_NBPMEMORYCLOCK 2 +#define MAX_DISPLAY_CLOCK_LEVEL 8 +#define CZ_AT_DFLT 30 +#define CZ_MAX_HARDWARE_POWERLEVELS 8 +#define PPCZ_VOTINGRIGHTSCLIENTS_DFLT0 0x3FFFC102 +#define CZ_MIN_DEEP_SLEEP_SCLK 800 + +/* Carrizo device IDs */ +#define DEVICE_ID_CZ_9870 0x9870 +#define DEVICE_ID_CZ_9874 0x9874 +#define DEVICE_ID_CZ_9875 0x9875 +#define DEVICE_ID_CZ_9876 0x9876 +#define DEVICE_ID_CZ_9877 0x9877 + +#define PHMCZ_WRITE_SMC_REGISTER(device, reg, value) \ + cgs_write_ind_register(device, CGS_IND_REG__SMC, ix##reg, value) + +struct cz_dpm_entry { + uint32_t soft_min_clk; + uint32_t hard_min_clk; + uint32_t soft_max_clk; + uint32_t hard_max_clk; +}; + +struct cz_sys_info { + uint32_t bootup_uma_clock; + uint32_t bootup_engine_clock; + uint32_t dentist_vco_freq; + uint32_t nb_dpm_enable; + uint32_t nbp_memory_clock[CZ_NUM_NBPMEMORYCLOCK]; + uint32_t nbp_n_clock[CZ_NUM_NBPSTATES]; + uint16_t nbp_voltage_index[CZ_NUM_NBPSTATES]; + uint32_t display_clock[MAX_DISPLAY_CLOCK_LEVEL]; + uint16_t bootup_nb_voltage_index; + uint8_t htc_tmp_lmt; + uint8_t htc_hyst_lmt; + uint32_t system_config; + uint32_t uma_channel_number; +}; + +#define MAX_DISPLAYPHY_IDS 0x8 +#define DISPLAYPHY_LANEMASK 0xF +#define UNKNOWN_TRANSMITTER_PHY_ID (-1) + +#define DISPLAYPHY_PHYID_SHIFT 24 +#define DISPLAYPHY_LANESELECT_SHIFT 16 + +#define DISPLAYPHY_RX_SELECT 0x1 +#define DISPLAYPHY_TX_SELECT 0x2 +#define DISPLAYPHY_CORE_SELECT 0x4 + +#define DDI_POWERGATING_ARG(phyID, lanemask, rx, tx, core) \ + (((uint32_t)(phyID))<<DISPLAYPHY_PHYID_SHIFT | \ + ((uint32_t)(lanemask))<<DISPLAYPHY_LANESELECT_SHIFT | \ + ((rx) ? DISPLAYPHY_RX_SELECT : 0) | \ + ((tx) ? DISPLAYPHY_TX_SELECT : 0) | \ + ((core) ? DISPLAYPHY_CORE_SELECT : 0)) + +struct cz_display_phy_info_entry { + uint8_t phy_present; + uint8_t active_lane_mapping; + uint8_t display_config_type; + uint8_t active_number_of_lanes; +}; + +#define CZ_MAX_DISPLAYPHY_IDS 10 + +struct cz_display_phy_info { + bool display_phy_access_initialized; + struct cz_display_phy_info_entry entries[CZ_MAX_DISPLAYPHY_IDS]; +}; + +struct cz_power_level { + uint32_t engineClock; + uint8_t vddcIndex; + uint8_t dsDividerIndex; + uint8_t ssDividerIndex; + uint8_t allowGnbSlow; + uint8_t forceNBPstate; + uint8_t display_wm; + uint8_t vce_wm; + uint8_t numSIMDToPowerDown; + uint8_t hysteresis_up; + uint8_t rsv[3]; +}; + +struct cz_uvd_clocks { + uint32_t vclk; + uint32_t dclk; + uint32_t vclk_low_divider; + uint32_t vclk_high_divider; + uint32_t dclk_low_divider; + uint32_t dclk_high_divider; +}; + +enum cz_pstate_previous_action { + DO_NOTHING = 1, + FORCE_HIGH, + CANCEL_FORCE_HIGH +}; + +struct pp_disable_nb_ps_flags { + union { + struct { + uint32_t entry : 1; + uint32_t display : 1; + uint32_t driver: 1; + uint32_t vce : 1; + uint32_t uvd : 1; + uint32_t acp : 1; + uint32_t reserved: 26; + } bits; + uint32_t u32All; + }; +}; + +struct cz_power_state { + unsigned int magic; + uint32_t level; + struct cz_uvd_clocks uvd_clocks; + uint32_t evclk; + uint32_t ecclk; + uint32_t samclk; + uint32_t acpclk; + bool need_dfs_bypass; + uint32_t nbps_flags; + uint32_t bapm_flags; + uint8_t dpm_0_pg_nb_ps_low; + uint8_t dpm_0_pg_nb_ps_high; + uint8_t dpm_x_nb_ps_low; + uint8_t dpm_x_nb_ps_high; + enum cz_pstate_previous_action action; + struct cz_power_level levels[CZ_MAX_HARDWARE_POWERLEVELS]; + struct pp_disable_nb_ps_flags disable_nb_ps_flag; +}; + +#define DPMFlags_SCLK_Enabled 0x00000001 +#define DPMFlags_UVD_Enabled 0x00000002 +#define DPMFlags_VCE_Enabled 0x00000004 +#define DPMFlags_ACP_Enabled 0x00000008 +#define DPMFlags_ForceHighestValid 0x40000000 +#define DPMFlags_Debug 0x80000000 + +#define SMU_EnabledFeatureScoreboard_AcpDpmOn 0x00000001 /* bit 0 */ +#define SMU_EnabledFeatureScoreboard_SclkDpmOn 0x00200000 +#define SMU_EnabledFeatureScoreboard_UvdDpmOn 0x00800000 /* bit 23 */ +#define SMU_EnabledFeatureScoreboard_VceDpmOn 0x01000000 /* bit 24 */ + +struct cc6_settings { + bool cc6_setting_changed; + bool nb_pstate_switch_disable;/* controls NB PState switch */ + bool cpu_cc6_disable; /* controls CPU CState switch ( on or off) */ + bool cpu_pstate_disable; + uint32_t cpu_pstate_separation_time; +}; + +struct cz_hwmgr { + uint32_t activity_target[CZ_MAX_HARDWARE_POWERLEVELS]; + uint32_t dpm_interval; + + uint32_t voltage_drop_threshold; + + uint32_t voting_rights_clients; + + uint32_t disable_driver_thermal_policy; + + uint32_t static_screen_threshold; + + uint32_t gfx_power_gating_threshold; + + uint32_t activity_hysteresis; + uint32_t bootup_sclk_divider; + uint32_t gfx_ramp_step; + uint32_t gfx_ramp_delay; /* in micro-seconds */ + + uint32_t thermal_auto_throttling_treshold; + + struct cz_sys_info sys_info; + + struct cz_power_level boot_power_level; + struct cz_power_state *cz_current_ps; + struct cz_power_state *cz_requested_ps; + + uint32_t mgcg_cgtt_local0; + uint32_t mgcg_cgtt_local1; + + uint32_t tdr_clock; /* in 10khz unit */ + + uint32_t ddi_power_gating_disabled; + uint32_t disable_gfx_power_gating_in_uvd; + uint32_t disable_nb_ps3_in_battery; + + uint32_t lock_nb_ps_in_uvd_play_back; + + struct cz_display_phy_info display_phy_info; + uint32_t vce_slow_sclk_threshold; /* default 200mhz */ + uint32_t dce_slow_sclk_threshold; /* default 300mhz */ + uint32_t min_sclk_did; /* minimum sclk divider */ + + bool disp_clk_bypass; + bool disp_clk_bypass_pending; + uint32_t bapm_enabled; + uint32_t clock_slow_down_freq; + uint32_t skip_clock_slow_down; + uint32_t enable_nb_ps_policy; + uint32_t voltage_drop_in_dce_power_gating; + uint32_t uvd_dpm_interval; + uint32_t override_dynamic_mgpg; + uint32_t lclk_deep_enabled; + + uint32_t uvd_performance; + + bool video_start; + bool battery_state; + uint32_t lowest_valid; + uint32_t highest_valid; + uint32_t high_voltage_threshold; + uint32_t is_nb_dpm_enabled; + struct cc6_settings cc6_settings; + uint32_t is_voltage_island_enabled; + + bool pgacpinit; + + uint8_t disp_config; + + /* PowerTune */ + uint32_t power_containment_features; + bool cac_enabled; + bool disable_uvd_power_tune_feature; + bool enable_ba_pm_feature; + bool enable_tdc_limit_feature; + + uint32_t sram_end; + uint32_t dpm_table_start; + uint32_t soft_regs_start; + + uint8_t uvd_level_count; + uint8_t vce_level_count; + + uint8_t acp_level_count; + uint8_t samu_level_count; + uint32_t fps_high_threshold; + uint32_t fps_low_threshold; + + uint32_t dpm_flags; + struct cz_dpm_entry sclk_dpm; + struct cz_dpm_entry uvd_dpm; + struct cz_dpm_entry vce_dpm; + struct cz_dpm_entry acp_dpm; + + uint8_t uvd_boot_level; + uint8_t vce_boot_level; + uint8_t acp_boot_level; + uint8_t samu_boot_level; + uint8_t uvd_interval; + uint8_t vce_interval; + uint8_t acp_interval; + uint8_t samu_interval; + + uint8_t graphics_interval; + uint8_t graphics_therm_throttle_enable; + uint8_t graphics_voltage_change_enable; + + uint8_t graphics_clk_slow_enable; + uint8_t graphics_clk_slow_divider; + + uint32_t display_cac; + uint32_t low_sclk_interrupt_threshold; + + uint32_t dram_log_addr_h; + uint32_t dram_log_addr_l; + uint32_t dram_log_phy_addr_h; + uint32_t dram_log_phy_addr_l; + uint32_t dram_log_buff_size; + + bool uvd_power_gated; + bool vce_power_gated; + bool samu_power_gated; + bool acp_power_gated; + bool acp_power_up_no_dsp; + uint32_t active_process_mask; + + uint32_t max_sclk_level; + uint32_t num_of_clk_entries; +}; + +struct pp_hwmgr; + +int cz_hwmgr_init(struct pp_hwmgr *hwmgr); +int cz_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr); +int cz_dpm_powerup_uvd(struct pp_hwmgr *hwmgr); +int cz_dpm_powerdown_vce(struct pp_hwmgr *hwmgr); +int cz_dpm_powerup_vce(struct pp_hwmgr *hwmgr); +int cz_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate); +int cz_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr); +#endif /* _CZ_HWMGR_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c new file mode 100644 index 000000000000..e68edf06ed73 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c @@ -0,0 +1,114 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "hwmgr.h" +#include "fiji_clockpowergating.h" +#include "fiji_ppsmc.h" +#include "fiji_hwmgr.h" + +int fiji_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; + data->acp_power_gated = false; + + return 0; +} + +int fiji_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->uvd_power_gated == bgate) + return 0; + + data->uvd_power_gated = bgate; + + if (bgate) + fiji_update_uvd_dpm(hwmgr, true); + else + fiji_update_uvd_dpm(hwmgr, false); + + return 0; +} + +int fiji_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_set_power_state_input states; + const struct pp_power_state *pcurrent; + struct pp_power_state *requested; + + if (data->vce_power_gated == bgate) + return 0; + + data->vce_power_gated = bgate; + + pcurrent = hwmgr->current_ps; + requested = hwmgr->request_ps; + + states.pcurrent_state = &(pcurrent->hardware); + states.pnew_state = &(requested->hardware); + + fiji_update_vce_dpm(hwmgr, &states); + fiji_enable_disable_vce_dpm(hwmgr, !bgate); + + return 0; +} + +int fiji_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->samu_power_gated == bgate) + return 0; + + data->samu_power_gated = bgate; + + if (bgate) + fiji_update_samu_dpm(hwmgr, true); + else + fiji_update_samu_dpm(hwmgr, false); + + return 0; +} + +int fiji_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->acp_power_gated == bgate) + return 0; + + data->acp_power_gated = bgate; + + if (bgate) + fiji_update_acp_dpm(hwmgr, true); + else + fiji_update_acp_dpm(hwmgr, false); + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h new file mode 100644 index 000000000000..33af5f511ab8 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h @@ -0,0 +1,35 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _FIJI_CLOCK_POWER_GATING_H_ +#define _FIJI_CLOCK_POWER_GATING_H_ + +#include "fiji_hwmgr.h" +#include "pp_asicblocks.h" + +extern int fiji_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate); +extern int fiji_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate); +extern int fiji_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate); +extern int fiji_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate); +extern int fiji_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr); +#endif /* _TONGA_CLOCK_POWER_GATING_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_dyn_defaults.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_dyn_defaults.h new file mode 100644 index 000000000000..32d43e8fecb2 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_dyn_defaults.h @@ -0,0 +1,105 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef FIJI_DYN_DEFAULTS_H +#define FIJI_DYN_DEFAULTS_H + +/** \file +* Volcanic Islands Dynamic default parameters. +*/ + +enum FIJIdpm_TrendDetection +{ + FIJIAdpm_TrendDetection_AUTO, + FIJIAdpm_TrendDetection_UP, + FIJIAdpm_TrendDetection_DOWN +}; +typedef enum FIJIdpm_TrendDetection FIJIdpm_TrendDetection; + +/* We need to fill in the default values!!!!!!!!!!!!!!!!!!!!!!! */ + +/* Bit vector representing same fields as hardware register. */ +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT0 0x3FFFC102 /* CP_Gfx_busy ???? + * HDP_busy + * IH_busy + * UVD_busy + * VCE_busy + * ACP_busy + * SAMU_busy + * SDMA enabled */ +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT1 0x000400 /* FE_Gfx_busy - Intended for primary usage. Rest are for flexibility. ???? + * SH_Gfx_busy + * RB_Gfx_busy + * VCE_busy */ + +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT2 0xC00080 /* SH_Gfx_busy - Intended for primary usage. Rest are for flexibility. + * FE_Gfx_busy + * RB_Gfx_busy + * ACP_busy */ + +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT3 0xC00200 /* RB_Gfx_busy - Intended for primary usage. Rest are for flexibility. + * FE_Gfx_busy + * SH_Gfx_busy + * UVD_busy */ + +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT4 0xC01680 /* UVD_busy + * VCE_busy + * ACP_busy + * SAMU_busy */ + +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT5 0xC00033 /* GFX, HDP */ +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT6 0xC00033 /* GFX, HDP */ +#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT7 0x3FFFC000 /* GFX, HDP */ + + +/* thermal protection counter (units). */ +#define PPFIJI_THERMALPROTECTCOUNTER_DFLT 0x200 /* ~19us */ + +/* static screen threshold unit */ +#define PPFIJI_STATICSCREENTHRESHOLDUNIT_DFLT 0 + +/* static screen threshold */ +#define PPFIJI_STATICSCREENTHRESHOLD_DFLT 0x00C8 + +/* gfx idle clock stop threshold */ +#define PPFIJI_GFXIDLECLOCKSTOPTHRESHOLD_DFLT 0x200 /* ~19us with static screen threshold unit of 0 */ + +/* Fixed reference divider to use when building baby stepping tables. */ +#define PPFIJI_REFERENCEDIVIDER_DFLT 4 + +/* ULV voltage change delay time + * Used to be delay_vreg in N.I. split for S.I. + * Using N.I. delay_vreg value as default + * ReferenceClock = 2700 + * VoltageResponseTime = 1000 + * VDDCDelayTime = (VoltageResponseTime * ReferenceClock) / 1600 = 1687 + */ +#define PPFIJI_ULVVOLTAGECHANGEDELAY_DFLT 1687 + +#define PPFIJI_CGULVPARAMETER_DFLT 0x00040035 +#define PPFIJI_CGULVCONTROL_DFLT 0x00007450 +#define PPFIJI_TARGETACTIVITY_DFLT 30 /* 30%*/ +#define PPFIJI_MCLK_TARGETACTIVITY_DFLT 10 /* 10% */ + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c new file mode 100644 index 000000000000..28031a7eddba --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c @@ -0,0 +1,5127 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include "linux/delay.h" + +#include "hwmgr.h" +#include "fiji_smumgr.h" +#include "atombios.h" +#include "hardwaremanager.h" +#include "ppatomctrl.h" +#include "atombios.h" +#include "cgs_common.h" +#include "fiji_dyn_defaults.h" +#include "fiji_powertune.h" +#include "smu73.h" +#include "smu/smu_7_1_3_d.h" +#include "smu/smu_7_1_3_sh_mask.h" +#include "gmc/gmc_8_1_d.h" +#include "gmc/gmc_8_1_sh_mask.h" +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" +#include "dce/dce_10_0_d.h" +#include "dce/dce_10_0_sh_mask.h" +#include "pppcielanes.h" +#include "fiji_hwmgr.h" +#include "tonga_processpptables.h" +#include "tonga_pptable.h" +#include "pp_debug.h" +#include "pp_acpi.h" +#include "amd_pcie_helpers.h" +#include "cgs_linux.h" +#include "ppinterrupt.h" + +#include "fiji_clockpowergating.h" +#include "fiji_thermal.h" + +#define VOLTAGE_SCALE 4 +#define SMC_RAM_END 0x40000 +#define VDDC_VDDCI_DELTA 300 + +#define MC_SEQ_MISC0_GDDR5_SHIFT 28 +#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000 +#define MC_SEQ_MISC0_GDDR5_VALUE 5 + +#define MC_CG_ARB_FREQ_F0 0x0a /* boot-up default */ +#define MC_CG_ARB_FREQ_F1 0x0b +#define MC_CG_ARB_FREQ_F2 0x0c +#define MC_CG_ARB_FREQ_F3 0x0d + +/* From smc_reg.h */ +#define SMC_CG_IND_START 0xc0030000 +#define SMC_CG_IND_END 0xc0040000 /* First byte after SMC_CG_IND */ + +#define VOLTAGE_SCALE 4 +#define VOLTAGE_VID_OFFSET_SCALE1 625 +#define VOLTAGE_VID_OFFSET_SCALE2 100 + +#define VDDC_VDDCI_DELTA 300 + +#define ixSWRST_COMMAND_1 0x1400103 +#define MC_SEQ_CNTL__CAC_EN_MASK 0x40000000 + +/** Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */ +enum DPM_EVENT_SRC { + DPM_EVENT_SRC_ANALOG = 0, /* Internal analog trip point */ + DPM_EVENT_SRC_EXTERNAL = 1, /* External (GPIO 17) signal */ + DPM_EVENT_SRC_DIGITAL = 2, /* Internal digital trip point (DIG_THERM_DPM) */ + DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3, /* Internal analog or external */ + DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */ +}; + + +/* [2.5%,~2.5%] Clock stretched is multiple of 2.5% vs + * not and [Fmin, Fmax, LDO_REFSEL, USE_FOR_LOW_FREQ] + */ +uint16_t fiji_clock_stretcher_lookup_table[2][4] = { {600, 1050, 3, 0}, + {600, 1050, 6, 1} }; + +/* [FF, SS] type, [] 4 voltage ranges, and + * [Floor Freq, Boundary Freq, VID min , VID max] + */ +uint32_t fiji_clock_stretcher_ddt_table[2][4][4] = +{ { {265, 529, 120, 128}, {325, 650, 96, 119}, {430, 860, 32, 95}, {0, 0, 0, 31} }, + { {275, 550, 104, 112}, {319, 638, 96, 103}, {360, 720, 64, 95}, {384, 768, 32, 63} } }; + +/* [Use_For_Low_freq] value, [0%, 5%, 10%, 7.14%, 14.28%, 20%] + * (coming from PWR_CKS_CNTL.stretch_amount reg spec) + */ +uint8_t fiji_clock_stretch_amount_conversion[2][6] = { {0, 1, 3, 2, 4, 5}, + {0, 2, 4, 5, 6, 5} }; + +const unsigned long PhwFiji_Magic = (unsigned long)(PHM_VIslands_Magic); + +struct fiji_power_state *cast_phw_fiji_power_state( + struct pp_hw_power_state *hw_ps) +{ + PP_ASSERT_WITH_CODE((PhwFiji_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL;); + + return (struct fiji_power_state *)hw_ps; +} + +const struct fiji_power_state *cast_const_phw_fiji_power_state( + const struct pp_hw_power_state *hw_ps) +{ + PP_ASSERT_WITH_CODE((PhwFiji_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL;); + + return (const struct fiji_power_state *)hw_ps; +} + +static bool fiji_is_dpm_running(struct pp_hwmgr *hwmgr) +{ + return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON)) + ? true : false; +} + +static void fiji_init_dpm_defaults(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_ulv_parm *ulv = &data->ulv; + + ulv->cg_ulv_parameter = PPFIJI_CGULVPARAMETER_DFLT; + data->voting_rights_clients0 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT0; + data->voting_rights_clients1 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT1; + data->voting_rights_clients2 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT2; + data->voting_rights_clients3 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT3; + data->voting_rights_clients4 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT4; + data->voting_rights_clients5 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT5; + data->voting_rights_clients6 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT6; + data->voting_rights_clients7 = PPFIJI_VOTINGRIGHTSCLIENTS_DFLT7; + + data->static_screen_threshold_unit = + PPFIJI_STATICSCREENTHRESHOLDUNIT_DFLT; + data->static_screen_threshold = + PPFIJI_STATICSCREENTHRESHOLD_DFLT; + + /* Unset ABM cap as it moved to DAL. + * Add PHM_PlatformCaps_NonABMSupportInPPLib + * for re-direct ABM related request to DAL + */ + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ABM); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_NonABMSupportInPPLib); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicACTiming); + + fiji_initialize_power_tune_defaults(hwmgr); + + data->mclk_stutter_mode_threshold = 60000; + data->pcie_gen_performance.max = PP_PCIEGen1; + data->pcie_gen_performance.min = PP_PCIEGen3; + data->pcie_gen_power_saving.max = PP_PCIEGen1; + data->pcie_gen_power_saving.min = PP_PCIEGen3; + data->pcie_lane_performance.max = 0; + data->pcie_lane_performance.min = 16; + data->pcie_lane_power_saving.max = 0; + data->pcie_lane_power_saving.min = 16; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicUVDState); +} + +static int fiji_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + uint16_t virtual_voltage_id, int32_t *sclk) +{ + uint8_t entryId; + uint8_t voltageId; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -EINVAL); + + /* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */ + for (entryId = 0; entryId < table_info->vdd_dep_on_sclk->count; entryId++) { + voltageId = table_info->vdd_dep_on_sclk->entries[entryId].vddInd; + if (lookup_table->entries[voltageId].us_vdd == virtual_voltage_id) + break; + } + + PP_ASSERT_WITH_CODE(entryId < table_info->vdd_dep_on_sclk->count, + "Can't find requested voltage id in vdd_dep_on_sclk table!", + return -EINVAL; + ); + + *sclk = table_info->vdd_dep_on_sclk->entries[entryId].clk; + + return 0; +} + +/** +* Get Leakage VDDC based on leakage ID. +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_get_evv_voltages(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint16_t vv_id; + uint16_t vddc = 0; + uint16_t evv_default = 1150; + uint16_t i, j; + uint32_t sclk = 0; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = + table_info->vdd_dep_on_sclk; + int result; + + for (i = 0; i < FIJI_MAX_LEAKAGE_COUNT; i++) { + vv_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; + if (!fiji_get_sclk_for_voltage_evv(hwmgr, + table_info->vddc_lookup_table, vv_id, &sclk)) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher)) { + for (j = 1; j < sclk_table->count; j++) { + if (sclk_table->entries[j].clk == sclk && + sclk_table->entries[j].cks_enable == 0) { + sclk += 5000; + break; + } + } + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableDriverEVV)) + result = atomctrl_calculate_voltage_evv_on_sclk(hwmgr, + VOLTAGE_TYPE_VDDC, sclk, vv_id, &vddc, i, true); + else + result = -EINVAL; + + if (result) + result = atomctrl_get_voltage_evv_on_sclk(hwmgr, + VOLTAGE_TYPE_VDDC, sclk,vv_id, &vddc); + + /* need to make sure vddc is less than 2v or else, it could burn the ASIC. */ + PP_ASSERT_WITH_CODE((vddc < 2000), + "Invalid VDDC value, greater than 2v!", result = -EINVAL;); + + if (result) + /* 1.15V is the default safe value for Fiji */ + vddc = evv_default; + + /* the voltage should not be zero nor equal to leakage ID */ + if (vddc != 0 && vddc != vv_id) { + data->vddc_leakage.actual_voltage + [data->vddc_leakage.count] = vddc; + data->vddc_leakage.leakage_id + [data->vddc_leakage.count] = vv_id; + data->vddc_leakage.count++; + } + } + } + return 0; +} + +/** + * Change virtual leakage voltage to actual value. + * + * @param hwmgr the address of the powerplay hardware manager. + * @param pointer to changing voltage + * @param pointer to leakage table + */ +static void fiji_patch_with_vdd_leakage(struct pp_hwmgr *hwmgr, + uint16_t *voltage, struct fiji_leakage_voltage *leakage_table) +{ + uint32_t index; + + /* search for leakage voltage ID 0xff01 ~ 0xff08 */ + for (index = 0; index < leakage_table->count; index++) { + /* if this voltage matches a leakage voltage ID */ + /* patch with actual leakage voltage */ + if (leakage_table->leakage_id[index] == *voltage) { + *voltage = leakage_table->actual_voltage[index]; + break; + } + } + + if (*voltage > ATOM_VIRTUAL_VOLTAGE_ID0) + printk(KERN_ERR "Voltage value looks like a Leakage ID but it's not patched \n"); +} + +/** +* Patch voltage lookup table by EVV leakages. +* +* @param hwmgr the address of the powerplay hardware manager. +* @param pointer to voltage lookup table +* @param pointer to leakage table +* @return always 0 +*/ +static int fiji_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + struct fiji_leakage_voltage *leakage_table) +{ + uint32_t i; + + for (i = 0; i < lookup_table->count; i++) + fiji_patch_with_vdd_leakage(hwmgr, + &lookup_table->entries[i].us_vdd, leakage_table); + + return 0; +} + +static int fiji_patch_clock_voltage_limits_with_vddc_leakage( + struct pp_hwmgr *hwmgr, struct fiji_leakage_voltage *leakage_table, + uint16_t *vddc) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + fiji_patch_with_vdd_leakage(hwmgr, (uint16_t *)vddc, leakage_table); + hwmgr->dyn_state.max_clock_voltage_on_dc.vddc = + table_info->max_clock_voltage_on_dc.vddc; + return 0; +} + +static int fiji_patch_voltage_dependency_tables_with_lookup_table( + struct pp_hwmgr *hwmgr) +{ + uint8_t entryId; + uint8_t voltageId; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = + table_info->vdd_dep_on_sclk; + struct phm_ppt_v1_clock_voltage_dependency_table *mclk_table = + table_info->vdd_dep_on_mclk; + struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = + table_info->mm_dep_table; + + for (entryId = 0; entryId < sclk_table->count; ++entryId) { + voltageId = sclk_table->entries[entryId].vddInd; + sclk_table->entries[entryId].vddc = + table_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + + for (entryId = 0; entryId < mclk_table->count; ++entryId) { + voltageId = mclk_table->entries[entryId].vddInd; + mclk_table->entries[entryId].vddc = + table_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + + for (entryId = 0; entryId < mm_table->count; ++entryId) { + voltageId = mm_table->entries[entryId].vddcInd; + mm_table->entries[entryId].vddc = + table_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + + return 0; + +} + +static int fiji_calc_voltage_dependency_tables(struct pp_hwmgr *hwmgr) +{ + /* Need to determine if we need calculated voltage. */ + return 0; +} + +static int fiji_calc_mm_voltage_dependency_table(struct pp_hwmgr *hwmgr) +{ + /* Need to determine if we need calculated voltage from mm table. */ + return 0; +} + +static int fiji_sort_lookup_table(struct pp_hwmgr *hwmgr, + struct phm_ppt_v1_voltage_lookup_table *lookup_table) +{ + uint32_t table_size, i, j; + struct phm_ppt_v1_voltage_lookup_record tmp_voltage_lookup_record; + table_size = lookup_table->count; + + PP_ASSERT_WITH_CODE(0 != lookup_table->count, + "Lookup table is empty", return -EINVAL); + + /* Sorting voltages */ + for (i = 0; i < table_size - 1; i++) { + for (j = i + 1; j > 0; j--) { + if (lookup_table->entries[j].us_vdd < + lookup_table->entries[j - 1].us_vdd) { + tmp_voltage_lookup_record = lookup_table->entries[j - 1]; + lookup_table->entries[j - 1] = lookup_table->entries[j]; + lookup_table->entries[j] = tmp_voltage_lookup_record; + } + } + } + + return 0; +} + +static int fiji_complete_dependency_tables(struct pp_hwmgr *hwmgr) +{ + int result = 0; + int tmp_result; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + tmp_result = fiji_patch_lookup_table_with_leakage(hwmgr, + table_info->vddc_lookup_table, &(data->vddc_leakage)); + if (tmp_result) + result = tmp_result; + + tmp_result = fiji_patch_clock_voltage_limits_with_vddc_leakage(hwmgr, + &(data->vddc_leakage), &table_info->max_clock_voltage_on_dc.vddc); + if (tmp_result) + result = tmp_result; + + tmp_result = fiji_patch_voltage_dependency_tables_with_lookup_table(hwmgr); + if (tmp_result) + result = tmp_result; + + tmp_result = fiji_calc_voltage_dependency_tables(hwmgr); + if (tmp_result) + result = tmp_result; + + tmp_result = fiji_calc_mm_voltage_dependency_table(hwmgr); + if (tmp_result) + result = tmp_result; + + tmp_result = fiji_sort_lookup_table(hwmgr, table_info->vddc_lookup_table); + if(tmp_result) + result = tmp_result; + + return result; +} + +static int fiji_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + struct phm_ppt_v1_clock_voltage_dependency_table *allowed_sclk_vdd_table = + table_info->vdd_dep_on_sclk; + struct phm_ppt_v1_clock_voltage_dependency_table *allowed_mclk_vdd_table = + table_info->vdd_dep_on_mclk; + + PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table != NULL, + "VDD dependency on SCLK table is missing. \ + This table is mandatory", return -EINVAL); + PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table->count >= 1, + "VDD dependency on SCLK table has to have is missing. \ + This table is mandatory", return -EINVAL); + + PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table != NULL, + "VDD dependency on MCLK table is missing. \ + This table is mandatory", return -EINVAL); + PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table->count >= 1, + "VDD dependency on MCLK table has to have is missing. \ + This table is mandatory", return -EINVAL); + + data->min_vddc_in_pptable = (uint16_t)allowed_sclk_vdd_table->entries[0].vddc; + data->max_vddc_in_pptable = (uint16_t)allowed_sclk_vdd_table-> + entries[allowed_sclk_vdd_table->count - 1].vddc; + + table_info->max_clock_voltage_on_ac.sclk = + allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].clk; + table_info->max_clock_voltage_on_ac.mclk = + allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].clk; + table_info->max_clock_voltage_on_ac.vddc = + allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc; + table_info->max_clock_voltage_on_ac.vddci = + allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].vddci; + + hwmgr->dyn_state.max_clock_voltage_on_ac.sclk = + table_info->max_clock_voltage_on_ac.sclk; + hwmgr->dyn_state.max_clock_voltage_on_ac.mclk = + table_info->max_clock_voltage_on_ac.mclk; + hwmgr->dyn_state.max_clock_voltage_on_ac.vddc = + table_info->max_clock_voltage_on_ac.vddc; + hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = + table_info->max_clock_voltage_on_ac.vddci; + + return 0; +} + +static uint16_t fiji_get_current_pcie_speed(struct pp_hwmgr *hwmgr) +{ + uint32_t speedCntl = 0; + + /* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */ + speedCntl = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__PCIE, + ixPCIE_LC_SPEED_CNTL); + return((uint16_t)PHM_GET_FIELD(speedCntl, + PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE)); +} + +static int fiji_get_current_pcie_lane_number(struct pp_hwmgr *hwmgr) +{ + uint32_t link_width; + + /* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */ + link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, + PCIE_LC_LINK_WIDTH_CNTL, LC_LINK_WIDTH_RD); + + PP_ASSERT_WITH_CODE((7 >= link_width), + "Invalid PCIe lane width!", return 0); + + return decode_pcie_lane_width(link_width); +} + +/** Patch the Boot State to match VBIOS boot clocks and voltage. +* +* @param hwmgr Pointer to the hardware manager. +* @param pPowerState The address of the PowerState instance being created. +* +*/ +static int fiji_patch_boot_state(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_power_state *ps = (struct fiji_power_state *)hw_ps; + ATOM_FIRMWARE_INFO_V2_2 *fw_info; + uint16_t size; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + + /* First retrieve the Boot clocks and VDDC from the firmware info table. + * We assume here that fw_info is unchanged if this call fails. + */ + fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table( + hwmgr->device, index, + &size, &frev, &crev); + if (!fw_info) + /* During a test, there is no firmware info table. */ + return 0; + + /* Patch the state. */ + data->vbios_boot_state.sclk_bootup_value = + le32_to_cpu(fw_info->ulDefaultEngineClock); + data->vbios_boot_state.mclk_bootup_value = + le32_to_cpu(fw_info->ulDefaultMemoryClock); + data->vbios_boot_state.mvdd_bootup_value = + le16_to_cpu(fw_info->usBootUpMVDDCVoltage); + data->vbios_boot_state.vddc_bootup_value = + le16_to_cpu(fw_info->usBootUpVDDCVoltage); + data->vbios_boot_state.vddci_bootup_value = + le16_to_cpu(fw_info->usBootUpVDDCIVoltage); + data->vbios_boot_state.pcie_gen_bootup_value = + fiji_get_current_pcie_speed(hwmgr); + data->vbios_boot_state.pcie_lane_bootup_value = + (uint16_t)fiji_get_current_pcie_lane_number(hwmgr); + + /* set boot power state */ + ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value; + ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value; + ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value; + ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value; + + return 0; +} + +static int fiji_hwmgr_backend_init(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t i; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + bool stay_in_boot; + int result; + + data->dll_default_on = false; + data->sram_end = SMC_RAM_END; + + for (i = 0; i < SMU73_MAX_LEVELS_GRAPHICS; i++) + data->activity_target[i] = FIJI_AT_DFLT; + + data->vddc_vddci_delta = VDDC_VDDCI_DELTA; + + data->mclk_activity_target = PPFIJI_MCLK_TARGETACTIVITY_DFLT; + data->mclk_dpm0_activity_target = 0xa; + + data->sclk_dpm_key_disabled = 0; + data->mclk_dpm_key_disabled = 0; + data->pcie_dpm_key_disabled = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UnTabledHardwareInterface); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep); + + data->gpio_debug = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicPatchPowerState); + + /* need to set voltage control types before EVV patching */ + data->voltage_control = FIJI_VOLTAGE_CONTROL_NONE; + data->vddci_control = FIJI_VOLTAGE_CONTROL_NONE; + data->mvdd_control = FIJI_VOLTAGE_CONTROL_NONE; + + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2)) + data->voltage_control = FIJI_VOLTAGE_CONTROL_BY_SVID2; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl)) + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT)) + data->mvdd_control = FIJI_VOLTAGE_CONTROL_BY_GPIO; + + if (data->mvdd_control == FIJI_VOLTAGE_CONTROL_NONE) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT)) + data->vddci_control = FIJI_VOLTAGE_CONTROL_BY_GPIO; + else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2)) + data->vddci_control = FIJI_VOLTAGE_CONTROL_BY_SVID2; + } + + if (data->vddci_control == FIJI_VOLTAGE_CONTROL_NONE) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI); + + if (table_info && table_info->cac_dtp_table->usClockStretchAmount) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher); + + fiji_init_dpm_defaults(hwmgr); + + /* Get leakage voltage based on leakage ID. */ + fiji_get_evv_voltages(hwmgr); + + /* Patch our voltage dependency table with actual leakage voltage + * We need to perform leakage translation before it's used by other functions + */ + fiji_complete_dependency_tables(hwmgr); + + /* Parse pptable data read from VBIOS */ + fiji_set_private_data_based_on_pptable(hwmgr); + + /* ULV Support */ + data->ulv.ulv_supported = true; /* ULV feature is enabled by default */ + + /* Initalize Dynamic State Adjustment Rule Settings */ + result = tonga_initializa_dynamic_state_adjustment_rule_settings(hwmgr); + + if (!result) { + data->uvd_enabled = false; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableSMU7ThermalManagement); + data->vddc_phase_shed_control = false; + } + + stay_in_boot = phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StayInBootState); + + if (0 == result) { + struct cgs_system_info sys_info = {0}; + + data->is_tlu_enabled = 0; + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = + FIJI_MAX_HARDWARE_POWERLEVELS; + hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; + hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_FanSpeedInTableIsRPM); + + if (table_info->cac_dtp_table->usDefaultTargetOperatingTemp && + hwmgr->thermal_controller. + advanceFanControlParameters.ucFanControlMode) { + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM = + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM; + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM = + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM; + hwmgr->dyn_state.cac_dtp_table->usOperatingTempMinLimit = + table_info->cac_dtp_table->usOperatingTempMinLimit; + hwmgr->dyn_state.cac_dtp_table->usOperatingTempMaxLimit = + table_info->cac_dtp_table->usOperatingTempMaxLimit; + hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp = + table_info->cac_dtp_table->usDefaultTargetOperatingTemp; + hwmgr->dyn_state.cac_dtp_table->usOperatingTempStep = + table_info->cac_dtp_table->usOperatingTempStep; + hwmgr->dyn_state.cac_dtp_table->usTargetOperatingTemp = + table_info->cac_dtp_table->usTargetOperatingTemp; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ODFuzzyFanControlSupport); + } + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_gen_cap = 0x30007; + else + data->pcie_gen_cap = (uint32_t)sys_info.value; + if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) + data->pcie_spc_cap = 20; + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_lane_cap = 0x2f0000; + else + data->pcie_lane_cap = (uint32_t)sys_info.value; + } else { + /* Ignore return value in here, we are cleaning up a mess. */ + tonga_hwmgr_backend_fini(hwmgr); + } + + return 0; +} + +/** + * Read clock related registers. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +static int fiji_read_clock_registers(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + data->clock_registers.vCG_SPLL_FUNC_CNTL = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_FUNC_CNTL); + data->clock_registers.vCG_SPLL_FUNC_CNTL_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_FUNC_CNTL_2); + data->clock_registers.vCG_SPLL_FUNC_CNTL_3 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_FUNC_CNTL_3); + data->clock_registers.vCG_SPLL_FUNC_CNTL_4 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_FUNC_CNTL_4); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_SPREAD_SPECTRUM); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_SPLL_SPREAD_SPECTRUM_2); + + return 0; +} + +/** + * Find out if memory is GDDR5. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +static int fiji_get_memory_type(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t temp; + + temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0); + + data->is_memory_gddr5 = (MC_SEQ_MISC0_GDDR5_VALUE == + ((temp & MC_SEQ_MISC0_GDDR5_MASK) >> + MC_SEQ_MISC0_GDDR5_SHIFT)); + + return 0; +} + +/** + * Enables Dynamic Power Management by SMC + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +static int fiji_enable_acpi_power_management(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + GENERAL_PWRMGT, STATIC_PM_EN, 1); + + return 0; +} + +/** + * Initialize PowerGating States for different engines + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +static int fiji_init_power_gate_state(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; + data->acp_power_gated = false; + data->pg_acp_init = true; + + return 0; +} + +static int fiji_init_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + data->low_sclk_interrupt_threshold = 0; + + return 0; +} + +static int fiji_setup_asic_task(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = fiji_read_clock_registers(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to read clock registers!", result = tmp_result); + + tmp_result = fiji_get_memory_type(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get memory type!", result = tmp_result); + + tmp_result = fiji_enable_acpi_power_management(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable ACPI power management!", result = tmp_result); + + tmp_result = fiji_init_power_gate_state(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to init power gate state!", result = tmp_result); + + tmp_result = tonga_get_mc_microcode_version(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get MC microcode version!", result = tmp_result); + + tmp_result = fiji_init_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to init sclk threshold!", result = tmp_result); + + return result; +} + +/** +* Checks if we want to support voltage control +* +* @param hwmgr the address of the powerplay hardware manager. +*/ +static bool fiji_voltage_control(const struct pp_hwmgr *hwmgr) +{ + const struct fiji_hwmgr *data = + (const struct fiji_hwmgr *)(hwmgr->backend); + + return (FIJI_VOLTAGE_CONTROL_NONE != data->voltage_control); +} + +/** +* Enable voltage control +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_enable_voltage_control(struct pp_hwmgr *hwmgr) +{ + /* enable voltage control */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1); + + return 0; +} + +/** +* Remove repeated voltage values and create table with unique values. +* +* @param hwmgr the address of the powerplay hardware manager. +* @param vol_table the pointer to changing voltage table +* @return 0 in success +*/ + +static int fiji_trim_voltage_table(struct pp_hwmgr *hwmgr, + struct pp_atomctrl_voltage_table *vol_table) +{ + uint32_t i, j; + uint16_t vvalue; + bool found = false; + struct pp_atomctrl_voltage_table *table; + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "Voltage Table empty.", return -EINVAL); + table = kzalloc(sizeof(struct pp_atomctrl_voltage_table), + GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + table->mask_low = vol_table->mask_low; + table->phase_delay = vol_table->phase_delay; + + for (i = 0; i < vol_table->count; i++) { + vvalue = vol_table->entries[i].value; + found = false; + + for (j = 0; j < table->count; j++) { + if (vvalue == table->entries[j].value) { + found = true; + break; + } + } + + if (!found) { + table->entries[table->count].value = vvalue; + table->entries[table->count].smio_low = + vol_table->entries[i].smio_low; + table->count++; + } + } + + memcpy(vol_table, table, sizeof(struct pp_atomctrl_voltage_table)); + kfree(table); + + return 0; +} + +static int fiji_get_svi2_mvdd_voltage_table(struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct pp_atomctrl_voltage_table *vol_table = &(data->mvdd_voltage_table); + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].mvdd; + vol_table->entries[i].smio_low = 0; + } + + result = fiji_trim_voltage_table(hwmgr, vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim MVDD table.", return result); + + return 0; +} + +static int fiji_get_svi2_vddci_voltage_table(struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct pp_atomctrl_voltage_table *vol_table = &(data->vddci_voltage_table); + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].vddci; + vol_table->entries[i].smio_low = 0; + } + + result = fiji_trim_voltage_table(hwmgr, vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim VDDCI table.", return result); + + return 0; +} + +static int fiji_get_svi2_vdd_voltage_table(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table) +{ + int i = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct pp_atomctrl_voltage_table *vol_table = &(data->vddc_voltage_table); + + PP_ASSERT_WITH_CODE((0 != lookup_table->count), + "Voltage Lookup Table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + + vol_table->count = lookup_table->count; + + for (i = 0; i < vol_table->count; i++) { + vol_table->entries[i].value = lookup_table->entries[i].us_vdd; + vol_table->entries[i].smio_low = 0; + } + + return 0; +} + +/* ---- Voltage Tables ---- + * If the voltage table would be bigger than + * what will fit into the state table on + * the SMC keep only the higher entries. + */ +static void fiji_trim_voltage_table_to_fit_state_table(struct pp_hwmgr *hwmgr, + uint32_t max_vol_steps, struct pp_atomctrl_voltage_table *vol_table) +{ + unsigned int i, diff; + + if (vol_table->count <= max_vol_steps) + return; + + diff = vol_table->count - max_vol_steps; + + for (i = 0; i < max_vol_steps; i++) + vol_table->entries[i] = vol_table->entries[i + diff]; + + vol_table->count = max_vol_steps; + + return; +} + +/** +* Create Voltage Tables. +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_construct_voltage_tables(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + int result; + + if (FIJI_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT, + &(data->mvdd_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve MVDD table.", + return result); + } else if (FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) { + result = fiji_get_svi2_mvdd_voltage_table(hwmgr, + table_info->vdd_dep_on_mclk); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 MVDD table from dependancy table.", + return result;); + } + + if (FIJI_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT, + &(data->vddci_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve VDDCI table.", + return result); + } else if (FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) { + result = fiji_get_svi2_vddci_voltage_table(hwmgr, + table_info->vdd_dep_on_mclk); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDCI table from dependancy table.", + return result); + } + + if(FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + result = fiji_get_svi2_vdd_voltage_table(hwmgr, + table_info->vddc_lookup_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDC table from lookup table.", + return result); + } + + PP_ASSERT_WITH_CODE( + (data->vddc_voltage_table.count <= (SMU73_MAX_LEVELS_VDDC)), + "Too many voltage values for VDDC. Trimming to fit state table.", + fiji_trim_voltage_table_to_fit_state_table(hwmgr, + SMU73_MAX_LEVELS_VDDC, &(data->vddc_voltage_table))); + + PP_ASSERT_WITH_CODE( + (data->vddci_voltage_table.count <= (SMU73_MAX_LEVELS_VDDCI)), + "Too many voltage values for VDDCI. Trimming to fit state table.", + fiji_trim_voltage_table_to_fit_state_table(hwmgr, + SMU73_MAX_LEVELS_VDDCI, &(data->vddci_voltage_table))); + + PP_ASSERT_WITH_CODE( + (data->mvdd_voltage_table.count <= (SMU73_MAX_LEVELS_MVDD)), + "Too many voltage values for MVDD. Trimming to fit state table.", + fiji_trim_voltage_table_to_fit_state_table(hwmgr, + SMU73_MAX_LEVELS_MVDD, &(data->mvdd_voltage_table))); + + return 0; +} + +static int fiji_initialize_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + /* Program additional LP registers + * that are no longer programmed by VBIOS + */ + cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, + cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING)); + + return 0; +} + +/** +* Programs static screed detection parameters +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_program_static_screen_threshold_parameters( + struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /* Set static screen threshold unit */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT, + data->static_screen_threshold_unit); + /* Set static screen threshold */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD, + data->static_screen_threshold); + + return 0; +} + +/** +* Setup display gap for glitch free memory clock switching. +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_enable_display_gap(struct pp_hwmgr *hwmgr) +{ + uint32_t displayGap = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL); + + displayGap = PHM_SET_FIELD(displayGap, CG_DISPLAY_GAP_CNTL, + DISP_GAP, DISPLAY_GAP_IGNORE); + + displayGap = PHM_SET_FIELD(displayGap, CG_DISPLAY_GAP_CNTL, + DISP_GAP_MCHG, DISPLAY_GAP_VBLANK); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL, displayGap); + + return 0; +} + +/** +* Programs activity state transition voting clients +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_program_voting_clients(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /* Clear reset for voting clients before enabling DPM */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7); + + return 0; +} + +/** +* Get the location of various tables inside the FW image. +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_process_firmware_header(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_smumgr *smu_data = (struct fiji_smumgr *)(hwmgr->smumgr->backend); + uint32_t tmp; + int result; + bool error = false; + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, DpmTable), + &tmp, data->sram_end); + + if (0 == result) + data->dpm_table_start = tmp; + + error |= (0 != result); + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, SoftRegisters), + &tmp, data->sram_end); + + if (!result) { + data->soft_regs_start = tmp; + smu_data->soft_regs_start = tmp; + } + + error |= (0 != result); + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, mcRegisterTable), + &tmp, data->sram_end); + + if (!result) + data->mc_reg_table_start = tmp; + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, FanTable), + &tmp, data->sram_end); + + if (!result) + data->fan_table_start = tmp; + + error |= (0 != result); + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, mcArbDramTimingTable), + &tmp, data->sram_end); + + if (!result) + data->arb_table_start = tmp; + + error |= (0 != result); + + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, Version), + &tmp, data->sram_end); + + if (!result) + hwmgr->microcode_version_info.SMC = tmp; + + error |= (0 != result); + + return error ? -1 : 0; +} + +/* Copy one arb setting to another and then switch the active set. + * arb_src and arb_dest is one of the MC_CG_ARB_FREQ_Fx constants. + */ +static int fiji_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr, + uint32_t arb_src, uint32_t arb_dest) +{ + uint32_t mc_arb_dram_timing; + uint32_t mc_arb_dram_timing2; + uint32_t burst_time; + uint32_t mc_cg_config; + + switch (arb_src) { + case MC_CG_ARB_FREQ_F0: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0); + break; + case MC_CG_ARB_FREQ_F1: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1); + break; + default: + return -EINVAL; + } + + switch (arb_dest) { + case MC_CG_ARB_FREQ_F0: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time); + break; + case MC_CG_ARB_FREQ_F1: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time); + break; + default: + return -EINVAL; + } + + mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG); + mc_cg_config |= 0x0000000F; + cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arb_dest); + + return 0; +} + +/** +* Initial switch from ARB F0->F1 +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +* This function is to be called from the SetPowerState table. +*/ +static int fiji_initial_switch_from_arbf0_to_f1(struct pp_hwmgr *hwmgr) +{ + return fiji_copy_and_switch_arb_sets(hwmgr, + MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1); +} + +static int fiji_reset_single_dpm_table(struct pp_hwmgr *hwmgr, + struct fiji_single_dpm_table *dpm_table, uint32_t count) +{ + int i; + PP_ASSERT_WITH_CODE(count <= MAX_REGULAR_DPM_NUMBER, + "Fatal error, can not set up single DPM table entries " + "to exceed max number!",); + + dpm_table->count = count; + for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) + dpm_table->dpm_levels[i].enabled = false; + + return 0; +} + +static void fiji_setup_pcie_table_entry( + struct fiji_single_dpm_table *dpm_table, + uint32_t index, uint32_t pcie_gen, + uint32_t pcie_lanes) +{ + dpm_table->dpm_levels[index].value = pcie_gen; + dpm_table->dpm_levels[index].param1 = pcie_lanes; + dpm_table->dpm_levels[index].enabled = 1; +} + +static int fiji_setup_default_pcie_table(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_pcie_table *pcie_table = table_info->pcie_table; + uint32_t i, max_entry; + + PP_ASSERT_WITH_CODE((data->use_pcie_performance_levels || + data->use_pcie_power_saving_levels), "No pcie performance levels!", + return -EINVAL); + + if (data->use_pcie_performance_levels && + !data->use_pcie_power_saving_levels) { + data->pcie_gen_power_saving = data->pcie_gen_performance; + data->pcie_lane_power_saving = data->pcie_lane_performance; + } else if (!data->use_pcie_performance_levels && + data->use_pcie_power_saving_levels) { + data->pcie_gen_performance = data->pcie_gen_power_saving; + data->pcie_lane_performance = data->pcie_lane_power_saving; + } + + fiji_reset_single_dpm_table(hwmgr, + &data->dpm_table.pcie_speed_table, SMU73_MAX_LEVELS_LINK); + + if (pcie_table != NULL) { + /* max_entry is used to make sure we reserve one PCIE level + * for boot level (fix for A+A PSPP issue). + * If PCIE table from PPTable have ULV entry + 8 entries, + * then ignore the last entry.*/ + max_entry = (SMU73_MAX_LEVELS_LINK < pcie_table->count) ? + SMU73_MAX_LEVELS_LINK : pcie_table->count; + for (i = 1; i < max_entry; i++) { + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, i - 1, + get_pcie_gen_support(data->pcie_gen_cap, + pcie_table->entries[i].gen_speed), + get_pcie_lane_support(data->pcie_lane_cap, + pcie_table->entries[i].lane_width)); + } + data->dpm_table.pcie_speed_table.count = max_entry - 1; + } else { + /* Hardcode Pcie Table */ + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + + data->dpm_table.pcie_speed_table.count = 6; + } + /* Populate last level for boot PCIE level, but do not increment count. */ + fiji_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, + data->dpm_table.pcie_speed_table.count, + get_pcie_gen_support(data->pcie_gen_cap, + PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, + PP_Max_PCIELane)); + + return 0; +} + +/* + * This function is to initalize all DPM state tables + * for SMU7 based on the dependency table. + * Dynamic state patching function will then trim these + * state tables to the allowed range based + * on the power policy or external client requests, + * such as UVD request, etc. + */ +static int fiji_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t i; + + struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table = + table_info->vdd_dep_on_sclk; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table = + table_info->vdd_dep_on_mclk; + + PP_ASSERT_WITH_CODE(dep_sclk_table != NULL, + "SCLK dependency table is missing. This table is mandatory", + return -EINVAL); + PP_ASSERT_WITH_CODE(dep_sclk_table->count >= 1, + "SCLK dependency table has to have is missing. " + "This table is mandatory", + return -EINVAL); + + PP_ASSERT_WITH_CODE(dep_mclk_table != NULL, + "MCLK dependency table is missing. This table is mandatory", + return -EINVAL); + PP_ASSERT_WITH_CODE(dep_mclk_table->count >= 1, + "MCLK dependency table has to have is missing. " + "This table is mandatory", + return -EINVAL); + + /* clear the state table to reset everything to default */ + fiji_reset_single_dpm_table(hwmgr, + &data->dpm_table.sclk_table, SMU73_MAX_LEVELS_GRAPHICS); + fiji_reset_single_dpm_table(hwmgr, + &data->dpm_table.mclk_table, SMU73_MAX_LEVELS_MEMORY); + + /* Initialize Sclk DPM table based on allow Sclk values */ + data->dpm_table.sclk_table.count = 0; + for (i = 0; i < dep_sclk_table->count; i++) { + if (i == 0 || data->dpm_table.sclk_table.dpm_levels + [data->dpm_table.sclk_table.count - 1].value != + dep_sclk_table->entries[i].clk) { + data->dpm_table.sclk_table.dpm_levels + [data->dpm_table.sclk_table.count].value = + dep_sclk_table->entries[i].clk; + data->dpm_table.sclk_table.dpm_levels + [data->dpm_table.sclk_table.count].enabled = + (i == 0) ? true : false; + data->dpm_table.sclk_table.count++; + } + } + + /* Initialize Mclk DPM table based on allow Mclk values */ + data->dpm_table.mclk_table.count = 0; + for (i=0; i<dep_mclk_table->count; i++) { + if ( i==0 || data->dpm_table.mclk_table.dpm_levels + [data->dpm_table.mclk_table.count - 1].value != + dep_mclk_table->entries[i].clk) { + data->dpm_table.mclk_table.dpm_levels + [data->dpm_table.mclk_table.count].value = + dep_mclk_table->entries[i].clk; + data->dpm_table.mclk_table.dpm_levels + [data->dpm_table.mclk_table.count].enabled = + (i == 0) ? true : false; + data->dpm_table.mclk_table.count++; + } + } + + /* setup PCIE gen speed levels */ + fiji_setup_default_pcie_table(hwmgr); + + /* save a copy of the default DPM table */ + memcpy(&(data->golden_dpm_table), &(data->dpm_table), + sizeof(struct fiji_dpm_table)); + + return 0; +} + +/** + * @brief PhwFiji_GetVoltageOrder + * Returns index of requested voltage record in lookup(table) + * @param lookup_table - lookup list to search in + * @param voltage - voltage to look for + * @return 0 on success + */ +uint8_t fiji_get_voltage_index( + struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage) +{ + uint8_t count = (uint8_t) (lookup_table->count); + uint8_t i; + + PP_ASSERT_WITH_CODE((NULL != lookup_table), + "Lookup Table empty.", return 0); + PP_ASSERT_WITH_CODE((0 != count), + "Lookup Table empty.", return 0); + + for (i = 0; i < lookup_table->count; i++) { + /* find first voltage equal or bigger than requested */ + if (lookup_table->entries[i].us_vdd >= voltage) + return i; + } + /* voltage is bigger than max voltage in the table */ + return i - 1; +} + +/** +* Preparation of vddc and vddgfx CAC tables for SMC. +* +* @param hwmgr the address of the hardware manager +* @param table the SMC DPM table structure to be populated +* @return always 0 +*/ +static int fiji_populate_cac_table(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + uint32_t count; + uint8_t index; + int result = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_voltage_lookup_table *lookup_table = + table_info->vddc_lookup_table; + /* tables is already swapped, so in order to use the value from it, + * we need to swap it back. + * We are populating vddc CAC data to BapmVddc table + * in split and merged mode + */ + for( count = 0; count<lookup_table->count; count++) { + index = fiji_get_voltage_index(lookup_table, + data->vddc_voltage_table.entries[count].value); + table->BapmVddcVidLoSidd[count] = (uint8_t) ((6200 - + (lookup_table->entries[index].us_cac_low * + VOLTAGE_SCALE)) / 25); + table->BapmVddcVidHiSidd[count] = (uint8_t) ((6200 - + (lookup_table->entries[index].us_cac_high * + VOLTAGE_SCALE)) / 25); + } + + return result; +} + +/** +* Preparation of voltage tables for SMC. +* +* @param hwmgr the address of the hardware manager +* @param table the SMC DPM table structure to be populated +* @return always 0 +*/ + +int fiji_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + int result; + + result = fiji_populate_cac_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate CAC voltage tables to SMC", + return -EINVAL); + + return 0; +} + +static int fiji_populate_ulv_level(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_Ulv *state) +{ + int result = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + state->CcPwrDynRm = 0; + state->CcPwrDynRm1 = 0; + + state->VddcOffset = (uint16_t) table_info->us_ulv_voltage_offset; + state->VddcOffsetVid = (uint8_t)( table_info->us_ulv_voltage_offset * + VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1 ); + + state->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1; + + if (!result) { + CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm1); + CONVERT_FROM_HOST_TO_SMC_US(state->VddcOffset); + } + return result; +} + +static int fiji_populate_ulv_state(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + return fiji_populate_ulv_level(hwmgr, &table->Ulv); +} + +static int32_t fiji_get_dpm_level_enable_mask_value( + struct fiji_single_dpm_table* dpm_table) +{ + int32_t i; + int32_t mask = 0; + + for (i = dpm_table->count; i > 0; i--) { + mask = mask << 1; + if (dpm_table->dpm_levels[i - 1].enabled) + mask |= 0x1; + else + mask &= 0xFFFFFFFE; + } + return mask; +} + +static int fiji_populate_smc_link_level(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_dpm_table *dpm_table = &data->dpm_table; + int i; + + /* Index (dpm_table->pcie_speed_table.count) + * is reserved for PCIE boot level. */ + for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) { + table->LinkLevel[i].PcieGenSpeed = + (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value; + table->LinkLevel[i].PcieLaneCount = (uint8_t)encode_pcie_lane_width( + dpm_table->pcie_speed_table.dpm_levels[i].param1); + table->LinkLevel[i].EnabledForActivity = 1; + table->LinkLevel[i].SPC = (uint8_t)(data->pcie_spc_cap & 0xff); + table->LinkLevel[i].DownThreshold = PP_HOST_TO_SMC_UL(5); + table->LinkLevel[i].UpThreshold = PP_HOST_TO_SMC_UL(30); + } + + data->smc_state_table.LinkLevelCount = + (uint8_t)dpm_table->pcie_speed_table.count; + data->dpm_level_enable_mask.pcie_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table); + + return 0; +} + +/** +* Calculates the SCLK dividers using the provided engine clock +* +* @param hwmgr the address of the hardware manager +* @param clock the engine clock to use to populate the structure +* @param sclk the SMC SCLK structure to be populated +*/ +static int fiji_calculate_sclk_params(struct pp_hwmgr *hwmgr, + uint32_t clock, struct SMU73_Discrete_GraphicsLevel *sclk) +{ + const struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct pp_atomctrl_clock_dividers_vi dividers; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + uint32_t spll_func_cntl_4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + uint32_t cg_spll_spread_spectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t ref_clock; + uint32_t ref_divider; + uint32_t fbdiv; + int result; + + /* get the engine clock dividers for this clock value */ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, clock, ÷rs); + + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", + return result); + + /* To get FBDIV we need to multiply this by 16384 and divide it by Fref. */ + ref_clock = atomctrl_get_reference_clock(hwmgr); + ref_divider = 1 + dividers.uc_pll_ref_div; + + /* low 14 bits is fraction and high 12 bits is divider */ + fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF; + + /* SPLL_FUNC_CNTL setup */ + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, CG_SPLL_FUNC_CNTL, + SPLL_REF_DIV, dividers.uc_pll_ref_div); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, CG_SPLL_FUNC_CNTL, + SPLL_PDIV_A, dividers.uc_pll_post_div); + + /* SPLL_FUNC_CNTL_3 setup*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, CG_SPLL_FUNC_CNTL_3, + SPLL_FB_DIV, fbdiv); + + /* set to use fractional accumulation*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, CG_SPLL_FUNC_CNTL_3, + SPLL_DITHEN, 1); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EngineSpreadSpectrumSupport)) { + struct pp_atomctrl_internal_ss_info ssInfo; + + uint32_t vco_freq = clock * dividers.uc_pll_post_div; + if (!atomctrl_get_engine_clock_spread_spectrum(hwmgr, + vco_freq, &ssInfo)) { + /* + * ss_info.speed_spectrum_percentage -- in unit of 0.01% + * ss_info.speed_spectrum_rate -- in unit of khz + * + * clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 + */ + uint32_t clk_s = ref_clock * 5 / + (ref_divider * ssInfo.speed_spectrum_rate); + /* clkv = 2 * D * fbdiv / NS */ + uint32_t clk_v = 4 * ssInfo.speed_spectrum_percentage * + fbdiv / (clk_s * 10000); + + cg_spll_spread_spectrum = PHM_SET_FIELD(cg_spll_spread_spectrum, + CG_SPLL_SPREAD_SPECTRUM, CLKS, clk_s); + cg_spll_spread_spectrum = PHM_SET_FIELD(cg_spll_spread_spectrum, + CG_SPLL_SPREAD_SPECTRUM, SSEN, 1); + cg_spll_spread_spectrum_2 = PHM_SET_FIELD(cg_spll_spread_spectrum_2, + CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clk_v); + } + } + + sclk->SclkFrequency = clock; + sclk->CgSpllFuncCntl3 = spll_func_cntl_3; + sclk->CgSpllFuncCntl4 = spll_func_cntl_4; + sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum; + sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2; + sclk->SclkDid = (uint8_t)dividers.pll_post_divider; + + return 0; +} + +static uint16_t fiji_find_closest_vddci(struct pp_hwmgr *hwmgr, uint16_t vddci) +{ + uint32_t i; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct pp_atomctrl_voltage_table *vddci_table = + &(data->vddci_voltage_table); + + for (i = 0; i < vddci_table->count; i++) { + if (vddci_table->entries[i].value >= vddci) + return vddci_table->entries[i].value; + } + + PP_ASSERT_WITH_CODE(false, + "VDDCI is larger than max VDDCI in VDDCI Voltage Table!", + return vddci_table->entries[i].value); +} + +static int fiji_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr, + struct phm_ppt_v1_clock_voltage_dependency_table* dep_table, + uint32_t clock, SMU_VoltageLevel *voltage, uint32_t *mvdd) +{ + uint32_t i; + uint16_t vddci; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + *voltage = *mvdd = 0; + + /* clock - voltage dependency table is empty table */ + if (dep_table->count == 0) + return -EINVAL; + + for (i = 0; i < dep_table->count; i++) { + /* find first sclk bigger than request */ + if (dep_table->entries[i].clk >= clock) { + *voltage |= (dep_table->entries[i].vddc * + VOLTAGE_SCALE) << VDDC_SHIFT; + if (FIJI_VOLTAGE_CONTROL_NONE == data->vddci_control) + *voltage |= (data->vbios_boot_state.vddci_bootup_value * + VOLTAGE_SCALE) << VDDCI_SHIFT; + else if (dep_table->entries[i].vddci) + *voltage |= (dep_table->entries[i].vddci * + VOLTAGE_SCALE) << VDDCI_SHIFT; + else { + vddci = fiji_find_closest_vddci(hwmgr, + (dep_table->entries[i].vddc - + (uint16_t)data->vddc_vddci_delta)); + *voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT; + } + + if (FIJI_VOLTAGE_CONTROL_NONE == data->mvdd_control) + *mvdd = data->vbios_boot_state.mvdd_bootup_value * + VOLTAGE_SCALE; + else if (dep_table->entries[i].mvdd) + *mvdd = (uint32_t) dep_table->entries[i].mvdd * + VOLTAGE_SCALE; + + *voltage |= 1 << PHASES_SHIFT; + return 0; + } + } + + /* sclk is bigger than max sclk in the dependence table */ + *voltage |= (dep_table->entries[i - 1].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; + + if (FIJI_VOLTAGE_CONTROL_NONE == data->vddci_control) + *voltage |= (data->vbios_boot_state.vddci_bootup_value * + VOLTAGE_SCALE) << VDDCI_SHIFT; + else if (dep_table->entries[i-1].vddci) { + vddci = fiji_find_closest_vddci(hwmgr, + (dep_table->entries[i].vddc - + (uint16_t)data->vddc_vddci_delta)); + *voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT; + } + + if (FIJI_VOLTAGE_CONTROL_NONE == data->mvdd_control) + *mvdd = data->vbios_boot_state.mvdd_bootup_value * VOLTAGE_SCALE; + else if (dep_table->entries[i].mvdd) + *mvdd = (uint32_t) dep_table->entries[i - 1].mvdd * VOLTAGE_SCALE; + + return 0; +} +/** +* Populates single SMC SCLK structure using the provided engine clock +* +* @param hwmgr the address of the hardware manager +* @param clock the engine clock to use to populate the structure +* @param sclk the SMC SCLK structure to be populated +*/ + +static int fiji_populate_single_graphic_level(struct pp_hwmgr *hwmgr, + uint32_t clock, uint16_t sclk_al_threshold, + struct SMU73_Discrete_GraphicsLevel *level) +{ + int result; + /* PP_Clocks minClocks; */ + uint32_t threshold, mvdd; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + result = fiji_calculate_sclk_params(hwmgr, clock, level); + + /* populate graphics levels */ + result = fiji_get_dependency_volt_by_clk(hwmgr, + table_info->vdd_dep_on_sclk, clock, + &level->MinVoltage, &mvdd); + PP_ASSERT_WITH_CODE((0 == result), + "can not find VDDC voltage value for " + "VDDC engine clock dependency table", + return result); + + level->SclkFrequency = clock; + level->ActivityLevel = sclk_al_threshold; + level->CcPwrDynRm = 0; + level->CcPwrDynRm1 = 0; + level->EnabledForActivity = 0; + level->EnabledForThrottle = 1; + level->UpHyst = 10; + level->DownHyst = 0; + level->VoltageDownHyst = 0; + level->PowerThrottle = 0; + + threshold = clock * data->fast_watermark_threshold / 100; + + /* + * TODO: get minimum clocks from dal configaration + * PECI_GetMinClockSettings(hwmgr->pPECI, &minClocks); + */ + /* data->DisplayTiming.minClockInSR = minClocks.engineClockInSR; */ + + /* get level->DeepSleepDivId + if (phm_cap_enabled(hwmgr->platformDescriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) + { + level->DeepSleepDivId = PhwFiji_GetSleepDividerIdFromClock(hwmgr, clock, minClocks.engineClockInSR); + } */ + + /* Default to slow, highest DPM level will be + * set to PPSMC_DISPLAY_WATERMARK_LOW later. + */ + level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + CONVERT_FROM_HOST_TO_SMC_UL(level->MinVoltage); + CONVERT_FROM_HOST_TO_SMC_UL(level->SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_US(level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(level->CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(level->CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(level->SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(level->SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(level->CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(level->CcPwrDynRm1); + + return 0; +} +/** +* Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states +* +* @param hwmgr the address of the hardware manager +*/ +static int fiji_populate_all_graphic_levels(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_dpm_table *dpm_table = &data->dpm_table; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_pcie_table *pcie_table = table_info->pcie_table; + uint8_t pcie_entry_cnt = (uint8_t) data->dpm_table.pcie_speed_table.count; + int result = 0; + uint32_t array = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, GraphicsLevel); + uint32_t array_size = sizeof(struct SMU73_Discrete_GraphicsLevel) * + SMU73_MAX_LEVELS_GRAPHICS; + struct SMU73_Discrete_GraphicsLevel *levels = + data->smc_state_table.GraphicsLevel; + uint32_t i, max_entry; + uint8_t hightest_pcie_level_enabled = 0, + lowest_pcie_level_enabled = 0, + mid_pcie_level_enabled = 0, + count = 0; + + for (i = 0; i < dpm_table->sclk_table.count; i++) { + result = fiji_populate_single_graphic_level(hwmgr, + dpm_table->sclk_table.dpm_levels[i].value, + (uint16_t)data->activity_target[i], + &levels[i]); + if (result) + return result; + + /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */ + if (i > 1) + levels[i].DeepSleepDivId = 0; + } + + /* Only enable level 0 for now.*/ + levels[0].EnabledForActivity = 1; + + /* set highest level watermark to high */ + levels[dpm_table->sclk_table.count - 1].DisplayWatermark = + PPSMC_DISPLAY_WATERMARK_HIGH; + + data->smc_state_table.GraphicsDpmLevelCount = + (uint8_t)dpm_table->sclk_table.count; + data->dpm_level_enable_mask.sclk_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&dpm_table->sclk_table); + + if (pcie_table != NULL) { + PP_ASSERT_WITH_CODE((1 <= pcie_entry_cnt), + "There must be 1 or more PCIE levels defined in PPTable.", + return -EINVAL); + max_entry = pcie_entry_cnt - 1; + for (i = 0; i < dpm_table->sclk_table.count; i++) + levels[i].pcieDpmLevel = + (uint8_t) ((i < max_entry)? i : max_entry); + } else { + while (data->dpm_level_enable_mask.pcie_dpm_enable_mask && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << (hightest_pcie_level_enabled + 1))) != 0 )) + hightest_pcie_level_enabled++; + + while (data->dpm_level_enable_mask.pcie_dpm_enable_mask && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << lowest_pcie_level_enabled)) == 0 )) + lowest_pcie_level_enabled++; + + while ((count < hightest_pcie_level_enabled) && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << (lowest_pcie_level_enabled + 1 + count))) == 0 )) + count++; + + mid_pcie_level_enabled = (lowest_pcie_level_enabled + 1+ count) < + hightest_pcie_level_enabled? + (lowest_pcie_level_enabled + 1 + count) : + hightest_pcie_level_enabled; + + /* set pcieDpmLevel to hightest_pcie_level_enabled */ + for(i = 2; i < dpm_table->sclk_table.count; i++) + levels[i].pcieDpmLevel = hightest_pcie_level_enabled; + + /* set pcieDpmLevel to lowest_pcie_level_enabled */ + levels[0].pcieDpmLevel = lowest_pcie_level_enabled; + + /* set pcieDpmLevel to mid_pcie_level_enabled */ + levels[1].pcieDpmLevel = mid_pcie_level_enabled; + } + /* level count will send to smc once at init smc table and never change */ + result = fiji_copy_bytes_to_smc(hwmgr->smumgr, array, (uint8_t *)levels, + (uint32_t)array_size, data->sram_end); + + return result; +} + +/** + * MCLK Frequency Ratio + * SEQ_CG_RESP Bit[31:24] - 0x0 + * Bit[27:24] \96 DDR3 Frequency ratio + * 0x0 <= 100MHz, 450 < 0x8 <= 500MHz + * 100 < 0x1 <= 150MHz, 500 < 0x9 <= 550MHz + * 150 < 0x2 <= 200MHz, 550 < 0xA <= 600MHz + * 200 < 0x3 <= 250MHz, 600 < 0xB <= 650MHz + * 250 < 0x4 <= 300MHz, 650 < 0xC <= 700MHz + * 300 < 0x5 <= 350MHz, 700 < 0xD <= 750MHz + * 350 < 0x6 <= 400MHz, 750 < 0xE <= 800MHz + * 400 < 0x7 <= 450MHz, 800 < 0xF + */ +static uint8_t fiji_get_mclk_frequency_ratio(uint32_t mem_clock) +{ + if (mem_clock <= 10000) return 0x0; + if (mem_clock <= 15000) return 0x1; + if (mem_clock <= 20000) return 0x2; + if (mem_clock <= 25000) return 0x3; + if (mem_clock <= 30000) return 0x4; + if (mem_clock <= 35000) return 0x5; + if (mem_clock <= 40000) return 0x6; + if (mem_clock <= 45000) return 0x7; + if (mem_clock <= 50000) return 0x8; + if (mem_clock <= 55000) return 0x9; + if (mem_clock <= 60000) return 0xa; + if (mem_clock <= 65000) return 0xb; + if (mem_clock <= 70000) return 0xc; + if (mem_clock <= 75000) return 0xd; + if (mem_clock <= 80000) return 0xe; + /* mem_clock > 800MHz */ + return 0xf; +} + +/** +* Populates the SMC MCLK structure using the provided memory clock +* +* @param hwmgr the address of the hardware manager +* @param clock the memory clock to use to populate the structure +* @param sclk the SMC SCLK structure to be populated +*/ +static int fiji_calculate_mclk_params(struct pp_hwmgr *hwmgr, + uint32_t clock, struct SMU73_Discrete_MemoryLevel *mclk) +{ + struct pp_atomctrl_memory_clock_param mem_param; + int result; + + result = atomctrl_get_memory_pll_dividers_vi(hwmgr, clock, &mem_param); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to get Memory PLL Dividers.",); + + /* Save the result data to outpupt memory level structure */ + mclk->MclkFrequency = clock; + mclk->MclkDivider = (uint8_t)mem_param.mpll_post_divider; + mclk->FreqRange = fiji_get_mclk_frequency_ratio(clock); + + return result; +} + +static int fiji_populate_single_memory_level(struct pp_hwmgr *hwmgr, + uint32_t clock, struct SMU73_Discrete_MemoryLevel *mem_level) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + int result = 0; + + if (table_info->vdd_dep_on_mclk) { + result = fiji_get_dependency_volt_by_clk(hwmgr, + table_info->vdd_dep_on_mclk, clock, + &mem_level->MinVoltage, &mem_level->MinMvdd); + PP_ASSERT_WITH_CODE((0 == result), + "can not find MinVddc voltage value from memory " + "VDDC voltage dependency table", return result); + } + + mem_level->EnabledForThrottle = 1; + mem_level->EnabledForActivity = 0; + mem_level->UpHyst = 0; + mem_level->DownHyst = 100; + mem_level->VoltageDownHyst = 0; + mem_level->ActivityLevel = (uint16_t)data->mclk_activity_target; + mem_level->StutterEnable = false; + + mem_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + /* enable stutter mode if all the follow condition applied + * PECI_GetNumberOfActiveDisplays(hwmgr->pPECI, + * &(data->DisplayTiming.numExistingDisplays)); + */ + data->display_timing.num_existing_displays = 1; + + if ((data->mclk_stutter_mode_threshold) && + (clock <= data->mclk_stutter_mode_threshold) && + (!data->is_uvd_enabled) && + (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, + STUTTER_ENABLE) & 0x1)) + mem_level->StutterEnable = true; + + result = fiji_calculate_mclk_params(hwmgr, clock, mem_level); + if (!result) { + CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MinMvdd); + CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MclkFrequency); + CONVERT_FROM_HOST_TO_SMC_US(mem_level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MinVoltage); + } + return result; +} + +/** +* Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states +* +* @param hwmgr the address of the hardware manager +*/ +static int fiji_populate_all_memory_levels(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_dpm_table *dpm_table = &data->dpm_table; + int result; + /* populate MCLK dpm table to SMU7 */ + uint32_t array = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, MemoryLevel); + uint32_t array_size = sizeof(SMU73_Discrete_MemoryLevel) * + SMU73_MAX_LEVELS_MEMORY; + struct SMU73_Discrete_MemoryLevel *levels = + data->smc_state_table.MemoryLevel; + uint32_t i; + + for (i = 0; i < dpm_table->mclk_table.count; i++) { + PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value), + "can not populate memory level as memory clock is zero", + return -EINVAL); + result = fiji_populate_single_memory_level(hwmgr, + dpm_table->mclk_table.dpm_levels[i].value, + &levels[i]); + if (result) + return result; + } + + /* Only enable level 0 for now. */ + levels[0].EnabledForActivity = 1; + + /* in order to prevent MC activity from stutter mode to push DPM up. + * the UVD change complements this by putting the MCLK in + * a higher state by default such that we are not effected by + * up threshold or and MCLK DPM latency. + */ + levels[0].ActivityLevel = (uint16_t)data->mclk_dpm0_activity_target; + CONVERT_FROM_HOST_TO_SMC_US(levels[0].ActivityLevel); + + data->smc_state_table.MemoryDpmLevelCount = + (uint8_t)dpm_table->mclk_table.count; + data->dpm_level_enable_mask.mclk_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&dpm_table->mclk_table); + /* set highest level watermark to high */ + levels[dpm_table->mclk_table.count - 1].DisplayWatermark = + PPSMC_DISPLAY_WATERMARK_HIGH; + + /* level count will send to smc once at init smc table and never change */ + result = fiji_copy_bytes_to_smc(hwmgr->smumgr, array, (uint8_t *)levels, + (uint32_t)array_size, data->sram_end); + + return result; +} + +/** +* Populates the SMC MVDD structure using the provided memory clock. +* +* @param hwmgr the address of the hardware manager +* @param mclk the MCLK value to be used in the decision if MVDD should be high or low. +* @param voltage the SMC VOLTAGE structure to be populated +*/ +int fiji_populate_mvdd_value(struct pp_hwmgr *hwmgr, + uint32_t mclk, SMIO_Pattern *smio_pat) +{ + const struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t i = 0; + + if (FIJI_VOLTAGE_CONTROL_NONE != data->mvdd_control) { + /* find mvdd value which clock is more than request */ + for (i = 0; i < table_info->vdd_dep_on_mclk->count; i++) { + if (mclk <= table_info->vdd_dep_on_mclk->entries[i].clk) { + smio_pat->Voltage = data->mvdd_voltage_table.entries[i].value; + break; + } + } + PP_ASSERT_WITH_CODE(i < table_info->vdd_dep_on_mclk->count, + "MVDD Voltage is outside the supported range.", + return -EINVAL); + } else + return -EINVAL; + + return 0; +} + +static int fiji_populate_smc_acpi_level(struct pp_hwmgr *hwmgr, + SMU73_Discrete_DpmTable *table) +{ + int result = 0; + const struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct pp_atomctrl_clock_dividers_vi dividers; + SMIO_Pattern vol_level; + uint32_t mvdd; + uint16_t us_mvdd; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_2 = data->clock_registers.vCG_SPLL_FUNC_CNTL_2; + + table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC; + + if (!data->sclk_dpm_key_disabled) { + /* Get MinVoltage and Frequency from DPM0, + * already converted to SMC_UL */ + table->ACPILevel.SclkFrequency = + data->dpm_table.sclk_table.dpm_levels[0].value; + result = fiji_get_dependency_volt_by_clk(hwmgr, + table_info->vdd_dep_on_sclk, + table->ACPILevel.SclkFrequency, + &table->ACPILevel.MinVoltage, &mvdd); + PP_ASSERT_WITH_CODE((0 == result), + "Cannot find ACPI VDDC voltage value " + "in Clock Dependency Table",); + } else { + table->ACPILevel.SclkFrequency = + data->vbios_boot_state.sclk_bootup_value; + table->ACPILevel.MinVoltage = + data->vbios_boot_state.vddc_bootup_value * VOLTAGE_SCALE; + } + + /* get the engine clock dividers for this clock value */ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, + table->ACPILevel.SclkFrequency, ÷rs); + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", + return result); + + table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider; + table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + table->ACPILevel.DeepSleepDivId = 0; + + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, CG_SPLL_FUNC_CNTL, + SPLL_PWRON, 0); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, CG_SPLL_FUNC_CNTL, + SPLL_RESET, 1); + spll_func_cntl_2 = PHM_SET_FIELD(spll_func_cntl_2, CG_SPLL_FUNC_CNTL_2, + SCLK_MUX_SEL, 4); + + table->ACPILevel.CgSpllFuncCntl = spll_func_cntl; + table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2; + table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + table->ACPILevel.CcPwrDynRm = 0; + table->ACPILevel.CcPwrDynRm1 = 0; + + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.MinVoltage); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1); + + if (!data->mclk_dpm_key_disabled) { + /* Get MinVoltage and Frequency from DPM0, already converted to SMC_UL */ + table->MemoryACPILevel.MclkFrequency = + data->dpm_table.mclk_table.dpm_levels[0].value; + result = fiji_get_dependency_volt_by_clk(hwmgr, + table_info->vdd_dep_on_mclk, + table->MemoryACPILevel.MclkFrequency, + &table->MemoryACPILevel.MinVoltage, &mvdd); + PP_ASSERT_WITH_CODE((0 == result), + "Cannot find ACPI VDDCI voltage value " + "in Clock Dependency Table",); + } else { + table->MemoryACPILevel.MclkFrequency = + data->vbios_boot_state.mclk_bootup_value; + table->MemoryACPILevel.MinVoltage = + data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE; + } + + us_mvdd = 0; + if ((FIJI_VOLTAGE_CONTROL_NONE == data->mvdd_control) || + (data->mclk_dpm_key_disabled)) + us_mvdd = data->vbios_boot_state.mvdd_bootup_value; + else { + if (!fiji_populate_mvdd_value(hwmgr, + data->dpm_table.mclk_table.dpm_levels[0].value, + &vol_level)) + us_mvdd = vol_level.Voltage; + } + + table->MemoryACPILevel.MinMvdd = + PP_HOST_TO_SMC_UL(us_mvdd * VOLTAGE_SCALE); + + table->MemoryACPILevel.EnabledForThrottle = 0; + table->MemoryACPILevel.EnabledForActivity = 0; + table->MemoryACPILevel.UpHyst = 0; + table->MemoryACPILevel.DownHyst = 100; + table->MemoryACPILevel.VoltageDownHyst = 0; + table->MemoryACPILevel.ActivityLevel = + PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target); + + table->MemoryACPILevel.StutterEnable = false; + CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage); + + return result; +} + +static int fiji_populate_smc_vce_level(struct pp_hwmgr *hwmgr, + SMU73_Discrete_DpmTable *table) +{ + int result = -EINVAL; + uint8_t count; + struct pp_atomctrl_clock_dividers_vi dividers; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = + table_info->mm_dep_table; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + table->VceLevelCount = (uint8_t)(mm_table->count); + table->VceBootLevel = 0; + + for(count = 0; count < table->VceLevelCount; count++) { + table->VceLevel[count].Frequency = mm_table->entries[count].eclk; + table->VceLevel[count].MinVoltage |= + (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; + table->VceLevel[count].MinVoltage |= + ((mm_table->entries[count].vddc - data->vddc_vddci_delta) * + VOLTAGE_SCALE) << VDDCI_SHIFT; + table->VceLevel[count].MinVoltage |= 1 << PHASES_SHIFT; + + /*retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->VceLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for VCE engine clock", + return result); + + table->VceLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].Frequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].MinVoltage); + } + return result; +} + +static int fiji_populate_smc_acp_level(struct pp_hwmgr *hwmgr, + SMU73_Discrete_DpmTable *table) +{ + int result = -EINVAL; + uint8_t count; + struct pp_atomctrl_clock_dividers_vi dividers; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = + table_info->mm_dep_table; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + table->AcpLevelCount = (uint8_t)(mm_table->count); + table->AcpBootLevel = 0; + + for (count = 0; count < table->AcpLevelCount; count++) { + table->AcpLevel[count].Frequency = mm_table->entries[count].aclk; + table->AcpLevel[count].MinVoltage |= (mm_table->entries[count].vddc * + VOLTAGE_SCALE) << VDDC_SHIFT; + table->AcpLevel[count].MinVoltage |= ((mm_table->entries[count].vddc - + data->vddc_vddci_delta) * VOLTAGE_SCALE) << VDDCI_SHIFT; + table->AcpLevel[count].MinVoltage |= 1 << PHASES_SHIFT; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->AcpLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for engine clock", return result); + + table->AcpLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->AcpLevel[count].Frequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->AcpLevel[count].MinVoltage); + } + return result; +} + +static int fiji_populate_smc_samu_level(struct pp_hwmgr *hwmgr, + SMU73_Discrete_DpmTable *table) +{ + int result = -EINVAL; + uint8_t count; + struct pp_atomctrl_clock_dividers_vi dividers; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = + table_info->mm_dep_table; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + table->SamuBootLevel = 0; + table->SamuLevelCount = (uint8_t)(mm_table->count); + + for (count = 0; count < table->SamuLevelCount; count++) { + /* not sure whether we need evclk or not */ + table->SamuLevel[count].Frequency = mm_table->entries[count].samclock; + table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc * + VOLTAGE_SCALE) << VDDC_SHIFT; + table->SamuLevel[count].MinVoltage |= ((mm_table->entries[count].vddc - + data->vddc_vddci_delta) * VOLTAGE_SCALE) << VDDCI_SHIFT; + table->SamuLevel[count].MinVoltage |= 1 << PHASES_SHIFT; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->SamuLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for samu clock", return result); + + table->SamuLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].Frequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].MinVoltage); + } + return result; +} + +static int fiji_populate_memory_timing_parameters(struct pp_hwmgr *hwmgr, + int32_t eng_clock, int32_t mem_clock, + struct SMU73_Discrete_MCArbDramTimingTableEntry *arb_regs) +{ + uint32_t dram_timing; + uint32_t dram_timing2; + uint32_t burstTime; + ULONG state, trrds, trrdl; + int result; + + result = atomctrl_set_engine_dram_timings_rv770(hwmgr, + eng_clock, mem_clock); + PP_ASSERT_WITH_CODE(result == 0, + "Error calling VBIOS to set DRAM_TIMING.", return result); + + dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burstTime = cgs_read_register(hwmgr->device, mmMC_ARB_BURST_TIME); + + state = PHM_GET_FIELD(burstTime, MC_ARB_BURST_TIME, STATE0); + trrds = PHM_GET_FIELD(burstTime, MC_ARB_BURST_TIME, TRRDS0); + trrdl = PHM_GET_FIELD(burstTime, MC_ARB_BURST_TIME, TRRDL0); + + arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dram_timing); + arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dram_timing2); + arb_regs->McArbBurstTime = (uint8_t)burstTime; + arb_regs->TRRDS = (uint8_t)trrds; + arb_regs->TRRDL = (uint8_t)trrdl; + + return 0; +} + +static int fiji_program_memory_timing_parameters(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct SMU73_Discrete_MCArbDramTimingTable arb_regs; + uint32_t i, j; + int result = 0; + + for (i = 0; i < data->dpm_table.sclk_table.count; i++) { + for (j = 0; j < data->dpm_table.mclk_table.count; j++) { + result = fiji_populate_memory_timing_parameters(hwmgr, + data->dpm_table.sclk_table.dpm_levels[i].value, + data->dpm_table.mclk_table.dpm_levels[j].value, + &arb_regs.entries[i][j]); + if (result) + break; + } + } + + if (!result) + result = fiji_copy_bytes_to_smc( + hwmgr->smumgr, + data->arb_table_start, + (uint8_t *)&arb_regs, + sizeof(SMU73_Discrete_MCArbDramTimingTable), + data->sram_end); + return result; +} + +static int fiji_populate_smc_uvd_level(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + int result = -EINVAL; + uint8_t count; + struct pp_atomctrl_clock_dividers_vi dividers; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = + table_info->mm_dep_table; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + table->UvdLevelCount = (uint8_t)(mm_table->count); + table->UvdBootLevel = 0; + + for (count = 0; count < table->UvdLevelCount; count++) { + table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk; + table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk; + table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc * + VOLTAGE_SCALE) << VDDC_SHIFT; + table->UvdLevel[count].MinVoltage |= ((mm_table->entries[count].vddc - + data->vddc_vddci_delta) * VOLTAGE_SCALE) << VDDCI_SHIFT; + table->UvdLevel[count].MinVoltage |= 1 << PHASES_SHIFT; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->UvdLevel[count].VclkFrequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for Vclk clock", return result); + + table->UvdLevel[count].VclkDivider = (uint8_t)dividers.pll_post_divider; + + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->UvdLevel[count].DclkFrequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for Dclk clock", return result); + + table->UvdLevel[count].DclkDivider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].VclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].DclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].MinVoltage); + + } + return result; +} + +static int fiji_find_boot_level(struct fiji_single_dpm_table *table, + uint32_t value, uint32_t *boot_level) +{ + int result = -EINVAL; + uint32_t i; + + for (i = 0; i < table->count; i++) { + if (value == table->dpm_levels[i].value) { + *boot_level = i; + result = 0; + } + } + return result; +} + +static int fiji_populate_smc_boot_level(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + int result = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + table->GraphicsBootLevel = 0; + table->MemoryBootLevel = 0; + + /* find boot level from dpm table */ + result = fiji_find_boot_level(&(data->dpm_table.sclk_table), + data->vbios_boot_state.sclk_bootup_value, + (uint32_t *)&(table->GraphicsBootLevel)); + + result = fiji_find_boot_level(&(data->dpm_table.mclk_table), + data->vbios_boot_state.mclk_bootup_value, + (uint32_t *)&(table->MemoryBootLevel)); + + table->BootVddc = data->vbios_boot_state.vddc_bootup_value * + VOLTAGE_SCALE; + table->BootVddci = data->vbios_boot_state.vddci_bootup_value * + VOLTAGE_SCALE; + table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value * + VOLTAGE_SCALE; + + CONVERT_FROM_HOST_TO_SMC_US(table->BootVddc); + CONVERT_FROM_HOST_TO_SMC_US(table->BootVddci); + CONVERT_FROM_HOST_TO_SMC_US(table->BootMVdd); + + return 0; +} + +static int fiji_populate_smc_initailial_state(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint8_t count, level; + + count = (uint8_t)(table_info->vdd_dep_on_sclk->count); + for (level = 0; level < count; level++) { + if(table_info->vdd_dep_on_sclk->entries[level].clk >= + data->vbios_boot_state.sclk_bootup_value) { + data->smc_state_table.GraphicsBootLevel = level; + break; + } + } + + count = (uint8_t)(table_info->vdd_dep_on_mclk->count); + for (level = 0; level < count; level++) { + if(table_info->vdd_dep_on_mclk->entries[level].clk >= + data->vbios_boot_state.mclk_bootup_value) { + data->smc_state_table.MemoryBootLevel = level; + break; + } + } + + return 0; +} + +static int fiji_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr) +{ + uint32_t ro, efuse, efuse2, clock_freq, volt_without_cks, + volt_with_cks, value; + uint16_t clock_freq_u16; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint8_t type, i, j, cks_setting, stretch_amount, stretch_amount2, + volt_offset = 0; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = + table_info->vdd_dep_on_sclk; + + stretch_amount = (uint8_t)table_info->cac_dtp_table->usClockStretchAmount; + + /* Read SMU_Eefuse to read and calculate RO and determine + * if the part is SS or FF. if RO >= 1660MHz, part is FF. + */ + efuse = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixSMU_EFUSE_0 + (146 * 4)); + efuse2 = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixSMU_EFUSE_0 + (148 * 4)); + efuse &= 0xFF000000; + efuse = efuse >> 24; + efuse2 &= 0xF; + + if (efuse2 == 1) + ro = (2300 - 1350) * efuse / 255 + 1350; + else + ro = (2500 - 1000) * efuse / 255 + 1000; + + if (ro >= 1660) + type = 0; + else + type = 1; + + /* Populate Stretch amount */ + data->smc_state_table.ClockStretcherAmount = stretch_amount; + + /* Populate Sclk_CKS_masterEn0_7 and Sclk_voltageOffset */ + for (i = 0; i < sclk_table->count; i++) { + data->smc_state_table.Sclk_CKS_masterEn0_7 |= + sclk_table->entries[i].cks_enable << i; + volt_without_cks = (uint32_t)((14041 * + (sclk_table->entries[i].clk/100) / 10000 + 3571 + 75 - ro) * 1000 / + (4026 - (13924 * (sclk_table->entries[i].clk/100) / 10000))); + volt_with_cks = (uint32_t)((13946 * + (sclk_table->entries[i].clk/100) / 10000 + 3320 + 45 - ro) * 1000 / + (3664 - (11454 * (sclk_table->entries[i].clk/100) / 10000))); + if (volt_without_cks >= volt_with_cks) + volt_offset = (uint8_t)(((volt_without_cks - volt_with_cks + + sclk_table->entries[i].cks_voffset) * 100 / 625) + 1); + data->smc_state_table.Sclk_voltageOffset[i] = volt_offset; + } + + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, PWR_CKS_ENABLE, + STRETCH_ENABLE, 0x0); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, PWR_CKS_ENABLE, + masterReset, 0x1); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, PWR_CKS_ENABLE, + staticEnable, 0x1); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, PWR_CKS_ENABLE, + masterReset, 0x0); + + /* Populate CKS Lookup Table */ + if (stretch_amount == 1 || stretch_amount == 2 || stretch_amount == 5) + stretch_amount2 = 0; + else if (stretch_amount == 3 || stretch_amount == 4) + stretch_amount2 = 1; + else { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher); + PP_ASSERT_WITH_CODE(false, + "Stretch Amount in PPTable not supported\n", + return -EINVAL); + } + + value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixPWR_CKS_CNTL); + value &= 0xFFC2FF87; + data->smc_state_table.CKS_LOOKUPTable.CKS_LOOKUPTableEntry[0].minFreq = + fiji_clock_stretcher_lookup_table[stretch_amount2][0]; + data->smc_state_table.CKS_LOOKUPTable.CKS_LOOKUPTableEntry[0].maxFreq = + fiji_clock_stretcher_lookup_table[stretch_amount2][1]; + clock_freq_u16 = (uint16_t)(PP_SMC_TO_HOST_UL(data->smc_state_table. + GraphicsLevel[data->smc_state_table.GraphicsDpmLevelCount - 1]. + SclkFrequency) / 100); + if (fiji_clock_stretcher_lookup_table[stretch_amount2][0] < + clock_freq_u16 && + fiji_clock_stretcher_lookup_table[stretch_amount2][1] > + clock_freq_u16) { + /* Program PWR_CKS_CNTL. CKS_USE_FOR_LOW_FREQ */ + value |= (fiji_clock_stretcher_lookup_table[stretch_amount2][3]) << 16; + /* Program PWR_CKS_CNTL. CKS_LDO_REFSEL */ + value |= (fiji_clock_stretcher_lookup_table[stretch_amount2][2]) << 18; + /* Program PWR_CKS_CNTL. CKS_STRETCH_AMOUNT */ + value |= (fiji_clock_stretch_amount_conversion + [fiji_clock_stretcher_lookup_table[stretch_amount2][3]] + [stretch_amount]) << 3; + } + CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.CKS_LOOKUPTable. + CKS_LOOKUPTableEntry[0].minFreq); + CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.CKS_LOOKUPTable. + CKS_LOOKUPTableEntry[0].maxFreq); + data->smc_state_table.CKS_LOOKUPTable.CKS_LOOKUPTableEntry[0].setting = + fiji_clock_stretcher_lookup_table[stretch_amount2][2] & 0x7F; + data->smc_state_table.CKS_LOOKUPTable.CKS_LOOKUPTableEntry[0].setting |= + (fiji_clock_stretcher_lookup_table[stretch_amount2][3]) << 7; + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixPWR_CKS_CNTL, value); + + /* Populate DDT Lookup Table */ + for (i = 0; i < 4; i++) { + /* Assign the minimum and maximum VID stored + * in the last row of Clock Stretcher Voltage Table. + */ + data->smc_state_table.ClockStretcherDataTable. + ClockStretcherDataTableEntry[i].minVID = + (uint8_t) fiji_clock_stretcher_ddt_table[type][i][2]; + data->smc_state_table.ClockStretcherDataTable. + ClockStretcherDataTableEntry[i].maxVID = + (uint8_t) fiji_clock_stretcher_ddt_table[type][i][3]; + /* Loop through each SCLK and check the frequency + * to see if it lies within the frequency for clock stretcher. + */ + for (j = 0; j < data->smc_state_table.GraphicsDpmLevelCount; j++) { + cks_setting = 0; + clock_freq = PP_SMC_TO_HOST_UL( + data->smc_state_table.GraphicsLevel[j].SclkFrequency); + /* Check the allowed frequency against the sclk level[j]. + * Sclk's endianness has already been converted, + * and it's in 10Khz unit, + * as opposed to Data table, which is in Mhz unit. + */ + if (clock_freq >= + (fiji_clock_stretcher_ddt_table[type][i][0]) * 100) { + cks_setting |= 0x2; + if (clock_freq < + (fiji_clock_stretcher_ddt_table[type][i][1]) * 100) + cks_setting |= 0x1; + } + data->smc_state_table.ClockStretcherDataTable. + ClockStretcherDataTableEntry[i].setting |= cks_setting << (j * 2); + } + CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table. + ClockStretcherDataTable. + ClockStretcherDataTableEntry[i].setting); + } + + value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixPWR_CKS_CNTL); + value &= 0xFFFFFFFE; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixPWR_CKS_CNTL, value); + + return 0; +} + +/** +* Populates the SMC VRConfig field in DPM table. +* +* @param hwmgr the address of the hardware manager +* @param table the SMC DPM table structure to be populated +* @return always 0 +*/ +static int fiji_populate_vr_config(struct pp_hwmgr *hwmgr, + struct SMU73_Discrete_DpmTable *table) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint16_t config; + + config = VR_MERGED_WITH_VDDC; + table->VRConfig |= (config << VRCONF_VDDGFX_SHIFT); + + /* Set Vddc Voltage Controller */ + if(FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + config = VR_SVI2_PLANE_1; + table->VRConfig |= config; + } else { + PP_ASSERT_WITH_CODE(false, + "VDDC should be on SVI2 control in merged mode!",); + } + /* Set Vddci Voltage Controller */ + if(FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) { + config = VR_SVI2_PLANE_2; /* only in merged mode */ + table->VRConfig |= (config << VRCONF_VDDCI_SHIFT); + } else if (FIJI_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) { + config = VR_SMIO_PATTERN_1; + table->VRConfig |= (config << VRCONF_VDDCI_SHIFT); + } else { + config = VR_STATIC_VOLTAGE; + table->VRConfig |= (config << VRCONF_VDDCI_SHIFT); + } + /* Set Mvdd Voltage Controller */ + if(FIJI_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) { + config = VR_SVI2_PLANE_2; + table->VRConfig |= (config << VRCONF_MVDD_SHIFT); + } else if(FIJI_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + config = VR_SMIO_PATTERN_2; + table->VRConfig |= (config << VRCONF_MVDD_SHIFT); + } else { + config = VR_STATIC_VOLTAGE; + table->VRConfig |= (config << VRCONF_MVDD_SHIFT); + } + + return 0; +} + +/** +* Initializes the SMC table and uploads it +* +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data (PowerState) +* @return always 0 +*/ +static int fiji_init_smc_table(struct pp_hwmgr *hwmgr) +{ + int result; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct SMU73_Discrete_DpmTable *table = &(data->smc_state_table); + const struct fiji_ulv_parm *ulv = &(data->ulv); + uint8_t i; + struct pp_atomctrl_gpio_pin_assignment gpio_pin; + + result = fiji_setup_default_dpm_tables(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to setup default DPM tables!", return result); + + if(FIJI_VOLTAGE_CONTROL_NONE != data->voltage_control) + fiji_populate_smc_voltage_tables(hwmgr, table); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition)) + table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StepVddc)) + table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; + + if (data->is_memory_gddr5) + table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5; + + if (ulv->ulv_supported && table_info->us_ulv_voltage_offset) { + result = fiji_populate_ulv_state(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ULV state!", return result); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_ULV_PARAMETER, ulv->cg_ulv_parameter); + } + + result = fiji_populate_smc_link_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Link Level!", return result); + + result = fiji_populate_all_graphic_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Graphics Level!", return result); + + result = fiji_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Memory Level!", return result); + + result = fiji_populate_smc_acpi_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACPI Level!", return result); + + result = fiji_populate_smc_vce_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize VCE Level!", return result); + + result = fiji_populate_smc_acp_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACP Level!", return result); + + result = fiji_populate_smc_samu_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize SAMU Level!", return result); + + /* Since only the initial state is completely set up at this point + * (the other states are just copies of the boot state) we only + * need to populate the ARB settings for the initial state. + */ + result = fiji_program_memory_timing_parameters(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to Write ARB settings for the initial state.", return result); + + result = fiji_populate_smc_uvd_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize UVD Level!", return result); + + result = fiji_populate_smc_boot_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Boot Level!", return result); + + result = fiji_populate_smc_initailial_state(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Boot State!", return result); + + result = fiji_populate_bapm_parameters_in_dpm_table(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate BAPM Parameters!", return result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher)) { + result = fiji_populate_clock_stretcher_data_table(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate Clock Stretcher Data Table!", + return result); + } + + table->GraphicsVoltageChangeEnable = 1; + table->GraphicsThermThrottleEnable = 1; + table->GraphicsInterval = 1; + table->VoltageInterval = 1; + table->ThermalInterval = 1; + table->TemperatureLimitHigh = + table_info->cac_dtp_table->usTargetOperatingTemp * + FIJI_Q88_FORMAT_CONVERSION_UNIT; + table->TemperatureLimitLow = + (table_info->cac_dtp_table->usTargetOperatingTemp - 1) * + FIJI_Q88_FORMAT_CONVERSION_UNIT; + table->MemoryVoltageChangeEnable = 1; + table->MemoryInterval = 1; + table->VoltageResponseTime = 0; + table->PhaseResponseTime = 0; + table->MemoryThermThrottleEnable = 1; + table->PCIeBootLinkLevel = 0; /* 0:Gen1 1:Gen2 2:Gen3*/ + table->PCIeGenInterval = 1; + + result = fiji_populate_vr_config(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate VRConfig setting!", return result); + + table->ThermGpio = 17; + table->SclkStepSize = 0x4000; + + if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_VRHOT_GPIO_PINID, &gpio_pin)) { + table->VRHotGpio = gpio_pin.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } else { + table->VRHotGpio = FIJI_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } + + if (atomctrl_get_pp_assign_pin(hwmgr, PP_AC_DC_SWITCH_GPIO_PINID, + &gpio_pin)) { + table->AcDcGpio = gpio_pin.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } else { + table->AcDcGpio = FIJI_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } + + /* Thermal Output GPIO */ + if (atomctrl_get_pp_assign_pin(hwmgr, THERMAL_INT_OUTPUT_GPIO_PINID, + &gpio_pin)) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalOutGPIO); + + table->ThermOutGpio = gpio_pin.uc_gpio_pin_bit_shift; + + /* For porlarity read GPIOPAD_A with assigned Gpio pin + * since VBIOS will program this register to set 'inactive state', + * driver can then determine 'active state' from this and + * program SMU with correct polarity + */ + table->ThermOutPolarity = (0 == (cgs_read_register(hwmgr->device, mmGPIOPAD_A) & + (1 << gpio_pin.uc_gpio_pin_bit_shift))) ? 1:0; + table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_ONLY; + + /* if required, combine VRHot/PCC with thermal out GPIO */ + if(phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot) && + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CombinePCCWithThermalSignal)) + table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_VRHOT; + } else { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalOutGPIO); + table->ThermOutGpio = 17; + table->ThermOutPolarity = 1; + table->ThermOutMode = SMU7_THERM_OUT_MODE_DISABLE; + } + + for (i = 0; i < SMU73_MAX_ENTRIES_SMIO; i++) + table->Smio[i] = PP_HOST_TO_SMC_UL(table->Smio[i]); + + CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags); + CONVERT_FROM_HOST_TO_SMC_UL(table->VRConfig); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask1); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask2); + CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow); + CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime); + CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime); + + /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */ + result = fiji_copy_bytes_to_smc(hwmgr->smumgr, + data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, SystemFlags), + (uint8_t *)&(table->SystemFlags), + sizeof(SMU73_Discrete_DpmTable) - 3 * sizeof(SMU73_PIDController), + data->sram_end); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to upload dpm data to SMC memory!", return result); + + return 0; +} + +/** +* Initialize the ARB DRAM timing table's index field. +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always 0 +*/ +static int fiji_init_arb_table_index(struct pp_hwmgr *hwmgr) +{ + const struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t tmp; + int result; + + /* This is a read-modify-write on the first byte of the ARB table. + * The first byte in the SMU73_Discrete_MCArbDramTimingTable structure + * is the field 'current'. + * This solution is ugly, but we never write the whole table only + * individual fields in it. + * In reality this field should not be in that structure + * but in a soft register. + */ + result = fiji_read_smc_sram_dword(hwmgr->smumgr, + data->arb_table_start, &tmp, data->sram_end); + + if (result) + return result; + + tmp &= 0x00FFFFFF; + tmp |= ((uint32_t)MC_CG_ARB_FREQ_F1) << 24; + + return fiji_write_smc_sram_dword(hwmgr->smumgr, + data->arb_table_start, tmp, data->sram_end); +} + +static int fiji_enable_vrhot_gpio_interrupt(struct pp_hwmgr *hwmgr) +{ + if(phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_EnableVRHotGPIOInterrupt); + + return 0; +} + +static int fiji_enable_sclk_control(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, + SCLK_PWRMGT_OFF, 0); + return 0; +} + +static int fiji_enable_ulv(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_ulv_parm *ulv = &(data->ulv); + + if (ulv->ulv_supported) + return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_EnableULV); + + return 0; +} + +static int fiji_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep)) { + if (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_MASTER_DeepSleep_ON)) + PP_ASSERT_WITH_CODE(false, + "Attempt to enable Master Deep Sleep switch failed!", + return -1); + } else { + if (smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MASTER_DeepSleep_OFF)) { + PP_ASSERT_WITH_CODE(false, + "Attempt to disable Master Deep Sleep switch failed!", + return -1); + } + } + + return 0; +} + +static int fiji_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t val, val0, val2; + uint32_t i, cpl_cntl, cpl_threshold, mc_threshold; + + /* enable SCLK dpm */ + if(!data->sclk_dpm_key_disabled) + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DPM_Enable)), + "Failed to enable SCLK DPM during DPM Start Function!", + return -1); + + /* enable MCLK dpm */ + if(0 == data->mclk_dpm_key_disabled) { + cpl_threshold = 0; + mc_threshold = 0; + + /* Read per MCD tile (0 - 7) */ + for (i = 0; i < 8; i++) { + PHM_WRITE_FIELD(hwmgr->device, MC_CONFIG_MCD, MC_RD_ENABLE, i); + val = cgs_read_register(hwmgr->device, mmMC_SEQ_RESERVE_0_S) & 0xf0000000; + if (0xf0000000 != val) { + /* count number of MCQ that has channel(s) enabled */ + cpl_threshold++; + /* only harvest 3 or full 4 supported */ + mc_threshold = val ? 3 : 4; + } + } + PP_ASSERT_WITH_CODE(0 != cpl_threshold, + "Number of MCQ is zero!", return -EINVAL;); + + mc_threshold = ((mc_threshold & LCAC_MC0_CNTL__MC0_THRESHOLD_MASK) << + LCAC_MC0_CNTL__MC0_THRESHOLD__SHIFT) | + LCAC_MC0_CNTL__MC0_ENABLE_MASK; + cpl_cntl = ((cpl_threshold & LCAC_CPL_CNTL__CPL_THRESHOLD_MASK) << + LCAC_CPL_CNTL__CPL_THRESHOLD__SHIFT) | + LCAC_CPL_CNTL__CPL_ENABLE_MASK; + cpl_cntl = (cpl_cntl | (8 << LCAC_CPL_CNTL__CPL_BLOCK_ID__SHIFT)); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, mc_threshold); + if (8 == cpl_threshold) { + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC2_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC3_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC4_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC5_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC6_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC7_CNTL, mc_threshold); + } + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, cpl_cntl); + + udelay(5); + + mc_threshold = mc_threshold | + (1 << LCAC_MC0_CNTL__MC0_SIGNAL_ID__SHIFT); + cpl_cntl = cpl_cntl | (1 << LCAC_CPL_CNTL__CPL_SIGNAL_ID__SHIFT); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, mc_threshold); + if (8 == cpl_threshold) { + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC2_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC3_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC4_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC5_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC6_CNTL, mc_threshold); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC7_CNTL, mc_threshold); + } + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, cpl_cntl); + + /* Program CAC_EN per MCD (0-7) Tile */ + val0 = val = cgs_read_register(hwmgr->device, mmMC_CONFIG_MCD); + val &= ~(MC_CONFIG_MCD__MCD0_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD1_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD2_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD3_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD4_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD5_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD6_WR_ENABLE_MASK | + MC_CONFIG_MCD__MCD7_WR_ENABLE_MASK | + MC_CONFIG_MCD__MC_RD_ENABLE_MASK); + + for (i = 0; i < 8; i++) { + /* Enable MCD i Tile read & write */ + val2 = (val | (i << MC_CONFIG_MCD__MC_RD_ENABLE__SHIFT) | + (1 << i)); + cgs_write_register(hwmgr->device, mmMC_CONFIG_MCD, val2); + /* Enbale CAC_ON MCD i Tile */ + val2 = cgs_read_register(hwmgr->device, mmMC_SEQ_CNTL); + val2 |= MC_SEQ_CNTL__CAC_EN_MASK; + cgs_write_register(hwmgr->device, mmMC_SEQ_CNTL, val2); + } + /* Set MC_CONFIG_MCD back to its default setting val0 */ + cgs_write_register(hwmgr->device, mmMC_CONFIG_MCD, val0); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_Enable)), + "Failed to enable MCLK DPM during DPM Start Function!", + return -1); + } + return 0; +} + +static int fiji_start_dpm(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /*enable general power management */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, + GLOBAL_PWRMGT_EN, 1); + /* enable sclk deep sleep */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, + DYNAMIC_PM_EN, 1); + /* prepare for PCIE DPM */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + data->soft_regs_start + offsetof(SMU73_SoftRegisters, + VoltageChangeTimeout), 0x1000); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, + SWRST_COMMAND_1, RESETLC, 0x0); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_Voltage_Cntl_Enable)), + "Failed to enable voltage DPM during DPM Start Function!", + return -1); + + if (fiji_enable_sclk_mclk_dpm(hwmgr)) { + printk(KERN_ERR "Failed to enable Sclk DPM and Mclk DPM!"); + return -1; + } + + /* enable PCIE dpm */ + if(!data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_Enable)), + "Failed to enable pcie DPM during DPM Start Function!", + return -1); + } + + return 0; +} + +static void fiji_set_dpm_event_sources(struct pp_hwmgr *hwmgr, + uint32_t sources) +{ + bool protection; + enum DPM_EVENT_SRC src; + + switch (sources) { + default: + printk(KERN_ERR "Unknown throttling event sources."); + /* fall through */ + case 0: + protection = false; + /* src is unused */ + break; + case (1 << PHM_AutoThrottleSource_Thermal): + protection = true; + src = DPM_EVENT_SRC_DIGITAL; + break; + case (1 << PHM_AutoThrottleSource_External): + protection = true; + src = DPM_EVENT_SRC_EXTERNAL; + break; + case (1 << PHM_AutoThrottleSource_External) | + (1 << PHM_AutoThrottleSource_Thermal): + protection = true; + src = DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL; + break; + } + /* Order matters - don't enable thermal protection for the wrong source. */ + if (protection) { + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL, + DPM_EVENT_SRC, src); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, + THERMAL_PROTECTION_DIS, + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalController)); + } else + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, + THERMAL_PROTECTION_DIS, 1); +} + +static int fiji_enable_auto_throttle_source(struct pp_hwmgr *hwmgr, + PHM_AutoThrottleSource source) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (!(data->active_auto_throttle_sources & (1 << source))) { + data->active_auto_throttle_sources |= 1 << source; + fiji_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources); + } + return 0; +} + +static int fiji_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr) +{ + return fiji_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal); +} + +static int fiji_enable_dpm_tasks(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = (!fiji_is_dpm_running(hwmgr))? 0 : -1; + PP_ASSERT_WITH_CODE(result == 0, + "DPM is already running right now, no need to enable DPM!", + return 0); + + if (fiji_voltage_control(hwmgr)) { + tmp_result = fiji_enable_voltage_control(hwmgr); + PP_ASSERT_WITH_CODE(tmp_result == 0, + "Failed to enable voltage control!", + result = tmp_result); + } + + if (fiji_voltage_control(hwmgr)) { + tmp_result = fiji_construct_voltage_tables(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to contruct voltage tables!", + result = tmp_result); + } + + tmp_result = fiji_initialize_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize MC reg table!", result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EngineSpreadSpectrumSupport)) + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, 1); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalController)) + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, 0); + + tmp_result = fiji_program_static_screen_threshold_parameters(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program static screen threshold parameters!", + result = tmp_result); + + tmp_result = fiji_enable_display_gap(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable display gap!", result = tmp_result); + + tmp_result = fiji_program_voting_clients(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program voting clients!", result = tmp_result); + + tmp_result = fiji_process_firmware_header(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to process firmware header!", result = tmp_result); + + tmp_result = fiji_initial_switch_from_arbf0_to_f1(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize switch from ArbF0 to F1!", + result = tmp_result); + + tmp_result = fiji_init_smc_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize SMC table!", result = tmp_result); + + tmp_result = fiji_init_arb_table_index(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize ARB table index!", result = tmp_result); + + tmp_result = fiji_populate_pm_fuses(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to populate PM fuses!", result = tmp_result); + + tmp_result = fiji_enable_vrhot_gpio_interrupt(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable VR hot GPIO interrupt!", result = tmp_result); + + tmp_result = tonga_notify_smc_display_change(hwmgr, false); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to notify no display!", result = tmp_result); + + tmp_result = fiji_enable_sclk_control(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable SCLK control!", result = tmp_result); + + tmp_result = fiji_enable_ulv(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable ULV!", result = tmp_result); + + tmp_result = fiji_enable_deep_sleep_master_switch(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable deep sleep master switch!", result = tmp_result); + + tmp_result = fiji_start_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to start DPM!", result = tmp_result); + + tmp_result = fiji_enable_smc_cac(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable SMC CAC!", result = tmp_result); + + tmp_result = fiji_enable_power_containment(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable power containment!", result = tmp_result); + + tmp_result = fiji_power_control_set_level(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to power control set level!", result = tmp_result); + + tmp_result = fiji_enable_thermal_auto_throttle(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable thermal auto throttle!", result = tmp_result); + + return result; +} + +static int fiji_force_dpm_highest(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t level, tmp; + + if (!data->sclk_dpm_key_disabled) { + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + level = 0; + tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask; + while (tmp >>= 1) + level++; + if (level) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_SetEnabledMask, + (1 << level)); + } + } + + if (!data->mclk_dpm_key_disabled) { + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask) { + level = 0; + tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask; + while (tmp >>= 1) + level++; + if (level) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_SetEnabledMask, + (1 << level)); + } + } + + if (!data->pcie_dpm_key_disabled) { + if (data->dpm_level_enable_mask.pcie_dpm_enable_mask) { + level = 0; + tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask; + while (tmp >>= 1) + level++; + if (level) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_ForceLevel, + (1 << level)); + } + } + return 0; +} + +static void fiji_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_clock_voltage_dependency_table *table = + table_info->vddc_dep_on_dal_pwrl; + struct phm_ppt_v1_clock_voltage_dependency_table *vddc_table; + enum PP_DAL_POWERLEVEL dal_power_level = hwmgr->dal_power_level; + uint32_t req_vddc = 0, req_volt, i; + + if (!table && !(dal_power_level >= PP_DAL_POWERLEVEL_ULTRALOW && + dal_power_level <= PP_DAL_POWERLEVEL_PERFORMANCE)) + return; + + for (i= 0; i < table->count; i++) { + if (dal_power_level == table->entries[i].clk) { + req_vddc = table->entries[i].v; + break; + } + } + + vddc_table = table_info->vdd_dep_on_sclk; + for (i= 0; i < vddc_table->count; i++) { + if (req_vddc <= vddc_table->entries[i].vddc) { + req_volt = (((uint32_t)vddc_table->entries[i].vddc) * VOLTAGE_SCALE) + << VDDC_SHIFT; + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_VddC_Request, req_volt); + return; + } + } + printk(KERN_ERR "DAL requested level can not" + " found a available voltage in VDDC DPM Table \n"); +} + +static int fiji_upload_dpmlevel_enable_mask(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + fiji_apply_dal_min_voltage_request(hwmgr); + + if (!data->sclk_dpm_key_disabled) { + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + } + return 0; +} + +static int fiji_unforce_dpm_levels(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (!fiji_is_dpm_running(hwmgr)) + return -EINVAL; + + if (!data->pcie_dpm_key_disabled) { + smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_UnForceLevel); + } + + return fiji_upload_dpmlevel_enable_mask(hwmgr); +} + +static uint32_t fiji_get_lowest_enabled_level( + struct pp_hwmgr *hwmgr, uint32_t mask) +{ + uint32_t level = 0; + + while(0 == (mask & (1 << level))) + level++; + + return level; +} + +static int fiji_force_dpm_lowest(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = + (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t level; + + if (!data->sclk_dpm_key_disabled) + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + level = fiji_get_lowest_enabled_level(hwmgr, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_SetEnabledMask, + (1 << level)); + + } + + if (!data->mclk_dpm_key_disabled) { + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask) { + level = fiji_get_lowest_enabled_level(hwmgr, + data->dpm_level_enable_mask.mclk_dpm_enable_mask); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_SetEnabledMask, + (1 << level)); + } + } + + if (!data->pcie_dpm_key_disabled) { + if (data->dpm_level_enable_mask.pcie_dpm_enable_mask) { + level = fiji_get_lowest_enabled_level(hwmgr, + data->dpm_level_enable_mask.pcie_dpm_enable_mask); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_ForceLevel, + (1 << level)); + } + } + + return 0; + +} +static int fiji_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + ret = fiji_force_dpm_highest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_LOW: + ret = fiji_force_dpm_lowest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_AUTO: + ret = fiji_unforce_dpm_levels(hwmgr); + if (ret) + return ret; + break; + default: + break; + } + + hwmgr->dpm_level = level; + + return ret; +} + +static int fiji_get_power_state_size(struct pp_hwmgr *hwmgr) +{ + return sizeof(struct fiji_power_state); +} + +static int fiji_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr, + void *state, struct pp_power_state *power_state, + void *pp_table, uint32_t classification_flag) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_power_state *fiji_power_state = + (struct fiji_power_state *)(&(power_state->hardware)); + struct fiji_performance_level *performance_level; + ATOM_Tonga_State *state_entry = (ATOM_Tonga_State *)state; + ATOM_Tonga_POWERPLAYTABLE *powerplay_table = + (ATOM_Tonga_POWERPLAYTABLE *)pp_table; + ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = + (ATOM_Tonga_SCLK_Dependency_Table *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usSclkDependencyTableOffset)); + ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = + (ATOM_Tonga_MCLK_Dependency_Table *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usMclkDependencyTableOffset)); + + /* The following fields are not initialized here: id orderedList allStatesList */ + power_state->classification.ui_label = + (le16_to_cpu(state_entry->usClassification) & + ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> + ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; + power_state->classification.flags = classification_flag; + /* NOTE: There is a classification2 flag in BIOS that is not being used right now */ + + power_state->classification.temporary_state = false; + power_state->classification.to_be_deleted = false; + + power_state->validation.disallowOnDC = + (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & + ATOM_Tonga_DISALLOW_ON_DC)); + + power_state->pcie.lanes = 0; + + power_state->display.disableFrameModulation = false; + power_state->display.limitRefreshrate = false; + power_state->display.enableVariBright = + (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & + ATOM_Tonga_ENABLE_VARIBRIGHT)); + + power_state->validation.supportedPowerLevels = 0; + power_state->uvd_clocks.VCLK = 0; + power_state->uvd_clocks.DCLK = 0; + power_state->temperatures.min = 0; + power_state->temperatures.max = 0; + + performance_level = &(fiji_power_state->performance_levels + [fiji_power_state->performance_level_count++]); + + PP_ASSERT_WITH_CODE( + (fiji_power_state->performance_level_count < SMU73_MAX_LEVELS_GRAPHICS), + "Performance levels exceeds SMC limit!", + return -1); + + PP_ASSERT_WITH_CODE( + (fiji_power_state->performance_level_count <= + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels), + "Performance levels exceeds Driver limit!", + return -1); + + /* Performance levels are arranged from low to high. */ + performance_level->memory_clock = mclk_dep_table->entries + [state_entry->ucMemoryClockIndexLow].ulMclk; + performance_level->engine_clock = sclk_dep_table->entries + [state_entry->ucEngineClockIndexLow].ulSclk; + performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, + state_entry->ucPCIEGenLow); + performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, + state_entry->ucPCIELaneHigh); + + performance_level = &(fiji_power_state->performance_levels + [fiji_power_state->performance_level_count++]); + performance_level->memory_clock = mclk_dep_table->entries + [state_entry->ucMemoryClockIndexHigh].ulMclk; + performance_level->engine_clock = sclk_dep_table->entries + [state_entry->ucEngineClockIndexHigh].ulSclk; + performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, + state_entry->ucPCIEGenHigh); + performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, + state_entry->ucPCIELaneHigh); + + return 0; +} + +static int fiji_get_pp_table_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, struct pp_power_state *state) +{ + int result; + struct fiji_power_state *ps; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table = + table_info->vdd_dep_on_mclk; + + state->hardware.magic = PHM_VIslands_Magic; + + ps = (struct fiji_power_state *)(&state->hardware); + + result = tonga_get_powerplay_table_entry(hwmgr, entry_index, state, + fiji_get_pp_table_entry_callback_func); + + /* This is the earliest time we have all the dependency table and the VBIOS boot state + * as PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot state + * if there is only one VDDCI/MCLK level, check if it's the same as VBIOS boot state + */ + if (dep_mclk_table != NULL && dep_mclk_table->count == 1) { + if (dep_mclk_table->entries[0].clk != + data->vbios_boot_state.mclk_bootup_value) + printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table " + "does not match VBIOS boot MCLK level"); + if (dep_mclk_table->entries[0].vddci != + data->vbios_boot_state.vddci_bootup_value) + printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table " + "does not match VBIOS boot VDDCI level"); + } + + /* set DC compatible flag if this state supports DC */ + if (!state->validation.disallowOnDC) + ps->dc_compatible = true; + + if (state->classification.flags & PP_StateClassificationFlag_ACPI) + data->acpi_pcie_gen = ps->performance_levels[0].pcie_gen; + + ps->uvd_clks.vclk = state->uvd_clocks.VCLK; + ps->uvd_clks.dclk = state->uvd_clocks.DCLK; + + if (!result) { + uint32_t i; + + switch (state->classification.ui_label) { + case PP_StateUILabel_Performance: + data->use_pcie_performance_levels = true; + + for (i = 0; i < ps->performance_level_count; i++) { + if (data->pcie_gen_performance.max < + ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.max = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_performance.min > + ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.min = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_performance.max < + ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.max = + ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_performance.min > + ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.min = + ps->performance_levels[i].pcie_lane; + } + break; + case PP_StateUILabel_Battery: + data->use_pcie_power_saving_levels = true; + + for (i = 0; i < ps->performance_level_count; i++) { + if (data->pcie_gen_power_saving.max < + ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.max = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_power_saving.min > + ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.min = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_power_saving.max < + ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.max = + ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_power_saving.min > + ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.min = + ps->performance_levels[i].pcie_lane; + } + break; + default: + break; + } + } + return 0; +} + +static int fiji_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + struct pp_power_state *request_ps, + const struct pp_power_state *current_ps) +{ + struct fiji_power_state *fiji_ps = + cast_phw_fiji_power_state(&request_ps->hardware); + uint32_t sclk; + uint32_t mclk; + struct PP_Clocks minimum_clocks = {0}; + bool disable_mclk_switching; + bool disable_mclk_switching_for_frame_lock; + struct cgs_display_info info = {0}; + const struct phm_clock_and_voltage_limits *max_limits; + uint32_t i; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + int32_t count; + int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; + + data->battery_state = (PP_StateUILabel_Battery == + request_ps->classification.ui_label); + + PP_ASSERT_WITH_CODE(fiji_ps->performance_level_count == 2, + "VI should always have 2 performance levels",); + + max_limits = (PP_PowerSource_AC == hwmgr->power_source) ? + &(hwmgr->dyn_state.max_clock_voltage_on_ac) : + &(hwmgr->dyn_state.max_clock_voltage_on_dc); + + /* Cap clock DPM tables at DC MAX if it is in DC. */ + if (PP_PowerSource_DC == hwmgr->power_source) { + for (i = 0; i < fiji_ps->performance_level_count; i++) { + if (fiji_ps->performance_levels[i].memory_clock > max_limits->mclk) + fiji_ps->performance_levels[i].memory_clock = max_limits->mclk; + if (fiji_ps->performance_levels[i].engine_clock > max_limits->sclk) + fiji_ps->performance_levels[i].engine_clock = max_limits->sclk; + } + } + + fiji_ps->vce_clks.evclk = hwmgr->vce_arbiter.evclk; + fiji_ps->vce_clks.ecclk = hwmgr->vce_arbiter.ecclk; + + fiji_ps->acp_clk = hwmgr->acp_arbiter.acpclk; + + cgs_get_active_displays_info(hwmgr->device, &info); + + /*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/ + + /* TO DO GetMinClockSettings(hwmgr->pPECI, &minimum_clocks); */ + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac); + stable_pstate_sclk = (max_limits->sclk * 75) / 100; + + for (count = table_info->vdd_dep_on_sclk->count - 1; + count >= 0; count--) { + if (stable_pstate_sclk >= + table_info->vdd_dep_on_sclk->entries[count].clk) { + stable_pstate_sclk = + table_info->vdd_dep_on_sclk->entries[count].clk; + break; + } + } + + if (count < 0) + stable_pstate_sclk = table_info->vdd_dep_on_sclk->entries[0].clk; + + stable_pstate_mclk = max_limits->mclk; + + minimum_clocks.engineClock = stable_pstate_sclk; + minimum_clocks.memoryClock = stable_pstate_mclk; + } + + if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk) + minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk; + + if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk) + minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk; + + fiji_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold; + + if (0 != hwmgr->gfx_arbiter.sclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <= + hwmgr->platform_descriptor.overdriveLimit.engineClock), + "Overdrive sclk exceeds limit", + hwmgr->gfx_arbiter.sclk_over_drive = + hwmgr->platform_descriptor.overdriveLimit.engineClock); + + if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk) + fiji_ps->performance_levels[1].engine_clock = + hwmgr->gfx_arbiter.sclk_over_drive; + } + + if (0 != hwmgr->gfx_arbiter.mclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <= + hwmgr->platform_descriptor.overdriveLimit.memoryClock), + "Overdrive mclk exceeds limit", + hwmgr->gfx_arbiter.mclk_over_drive = + hwmgr->platform_descriptor.overdriveLimit.memoryClock); + + if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk) + fiji_ps->performance_levels[1].memory_clock = + hwmgr->gfx_arbiter.mclk_over_drive; + } + + disable_mclk_switching_for_frame_lock = phm_cap_enabled( + hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMclkSwitchingForFrameLock); + + disable_mclk_switching = (1 < info.display_count) || + disable_mclk_switching_for_frame_lock; + + sclk = fiji_ps->performance_levels[0].engine_clock; + mclk = fiji_ps->performance_levels[0].memory_clock; + + if (disable_mclk_switching) + mclk = fiji_ps->performance_levels + [fiji_ps->performance_level_count - 1].memory_clock; + + if (sclk < minimum_clocks.engineClock) + sclk = (minimum_clocks.engineClock > max_limits->sclk) ? + max_limits->sclk : minimum_clocks.engineClock; + + if (mclk < minimum_clocks.memoryClock) + mclk = (minimum_clocks.memoryClock > max_limits->mclk) ? + max_limits->mclk : minimum_clocks.memoryClock; + + fiji_ps->performance_levels[0].engine_clock = sclk; + fiji_ps->performance_levels[0].memory_clock = mclk; + + fiji_ps->performance_levels[1].engine_clock = + (fiji_ps->performance_levels[1].engine_clock >= + fiji_ps->performance_levels[0].engine_clock) ? + fiji_ps->performance_levels[1].engine_clock : + fiji_ps->performance_levels[0].engine_clock; + + if (disable_mclk_switching) { + if (mclk < fiji_ps->performance_levels[1].memory_clock) + mclk = fiji_ps->performance_levels[1].memory_clock; + + fiji_ps->performance_levels[0].memory_clock = mclk; + fiji_ps->performance_levels[1].memory_clock = mclk; + } else { + if (fiji_ps->performance_levels[1].memory_clock < + fiji_ps->performance_levels[0].memory_clock) + fiji_ps->performance_levels[1].memory_clock = + fiji_ps->performance_levels[0].memory_clock; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + for (i = 0; i < fiji_ps->performance_level_count; i++) { + fiji_ps->performance_levels[i].engine_clock = stable_pstate_sclk; + fiji_ps->performance_levels[i].memory_clock = stable_pstate_mclk; + fiji_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max; + fiji_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max; + } + } + + return 0; +} + +static int fiji_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + const struct fiji_power_state *fiji_ps = + cast_const_phw_fiji_power_state(states->pnew_state); + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table); + uint32_t sclk = fiji_ps->performance_levels + [fiji_ps->performance_level_count - 1].engine_clock; + struct fiji_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table); + uint32_t mclk = fiji_ps->performance_levels + [fiji_ps->performance_level_count - 1].memory_clock; + struct PP_Clocks min_clocks = {0}; + uint32_t i; + struct cgs_display_info info = {0}; + + data->need_update_smu7_dpm_table = 0; + + for (i = 0; i < sclk_table->count; i++) { + if (sclk == sclk_table->dpm_levels[i].value) + break; + } + + if (i >= sclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; + else { + /* TODO: Check SCLK in DAL's minimum clocks + * in case DeepSleep divider update is required. + */ + if(data->display_timing.min_clock_in_sr != min_clocks.engineClockInSR) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; + } + + for (i = 0; i < mclk_table->count; i++) { + if (mclk == mclk_table->dpm_levels[i].value) + break; + } + + if (i >= mclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK; + + return 0; +} + +static uint16_t fiji_get_maximum_link_speed(struct pp_hwmgr *hwmgr, + const struct fiji_power_state *fiji_ps) +{ + uint32_t i; + uint32_t sclk, max_sclk = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_dpm_table *dpm_table = &data->dpm_table; + + for (i = 0; i < fiji_ps->performance_level_count; i++) { + sclk = fiji_ps->performance_levels[i].engine_clock; + if (max_sclk < sclk) + max_sclk = sclk; + } + + for (i = 0; i < dpm_table->sclk_table.count; i++) { + if (dpm_table->sclk_table.dpm_levels[i].value == max_sclk) + return (uint16_t) ((i >= dpm_table->pcie_speed_table.count) ? + dpm_table->pcie_speed_table.dpm_levels + [dpm_table->pcie_speed_table.count - 1].value : + dpm_table->pcie_speed_table.dpm_levels[i].value); + } + + return 0; +} + +static int fiji_request_link_speed_change_before_state_change( + struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + const struct fiji_power_state *fiji_nps = + cast_const_phw_fiji_power_state(states->pnew_state); + const struct fiji_power_state *fiji_cps = + cast_const_phw_fiji_power_state(states->pcurrent_state); + + uint16_t target_link_speed = fiji_get_maximum_link_speed(hwmgr, fiji_nps); + uint16_t current_link_speed; + + if (data->force_pcie_gen == PP_PCIEGenInvalid) + current_link_speed = fiji_get_maximum_link_speed(hwmgr, fiji_cps); + else + current_link_speed = data->force_pcie_gen; + + data->force_pcie_gen = PP_PCIEGenInvalid; + data->pspp_notify_required = false; + if (target_link_speed > current_link_speed) { + switch(target_link_speed) { + case PP_PCIEGen3: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false)) + break; + data->force_pcie_gen = PP_PCIEGen2; + if (current_link_speed == PP_PCIEGen2) + break; + case PP_PCIEGen2: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false)) + break; + default: + data->force_pcie_gen = fiji_get_current_pcie_speed(hwmgr); + break; + } + } else { + if (target_link_speed < current_link_speed) + data->pspp_notify_required = true; + } + + return 0; +} + +static int fiji_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + PP_ASSERT_WITH_CODE(true == fiji_is_dpm_running(hwmgr), + "Trying to freeze SCLK DPM when DPM is disabled",); + PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_FreezeLevel), + "Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + DPMTABLE_OD_UPDATE_MCLK)) { + PP_ASSERT_WITH_CODE(true == fiji_is_dpm_running(hwmgr), + "Trying to freeze MCLK DPM when DPM is disabled",); + PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_FreezeLevel), + "Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + return 0; +} + +static int fiji_populate_and_upload_sclk_mclk_dpm_levels( + struct pp_hwmgr *hwmgr, const void *input) +{ + int result = 0; + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + const struct fiji_power_state *fiji_ps = + cast_const_phw_fiji_power_state(states->pnew_state); + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t sclk = fiji_ps->performance_levels + [fiji_ps->performance_level_count - 1].engine_clock; + uint32_t mclk = fiji_ps->performance_levels + [fiji_ps->performance_level_count - 1].memory_clock; + struct fiji_dpm_table *dpm_table = &data->dpm_table; + + struct fiji_dpm_table *golden_dpm_table = &data->golden_dpm_table; + uint32_t dpm_count, clock_percent; + uint32_t i; + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) { + dpm_table->sclk_table.dpm_levels + [dpm_table->sclk_table.count - 1].value = sclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OD6PlusinDCSupport)) { + /* Need to do calculation based on the golden DPM table + * as the Heatmap GPU Clock axis is also based on the default values + */ + PP_ASSERT_WITH_CODE( + (golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count - 1].value != 0), + "Divide by 0!", + return -1); + dpm_count = dpm_table->sclk_table.count < 2 ? + 0 : dpm_table->sclk_table.count - 2; + for (i = dpm_count; i > 1; i--) { + if (sclk > golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count-1].value) { + clock_percent = + ((sclk - golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count-1].value) * 100) / + golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count-1].value; + + dpm_table->sclk_table.dpm_levels[i].value = + golden_dpm_table->sclk_table.dpm_levels[i].value + + (golden_dpm_table->sclk_table.dpm_levels[i].value * + clock_percent)/100; + + } else if (golden_dpm_table->sclk_table.dpm_levels + [dpm_table->sclk_table.count-1].value > sclk) { + clock_percent = + ((golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count - 1].value - sclk) * + 100) / + golden_dpm_table->sclk_table.dpm_levels + [golden_dpm_table->sclk_table.count-1].value; + + dpm_table->sclk_table.dpm_levels[i].value = + golden_dpm_table->sclk_table.dpm_levels[i].value - + (golden_dpm_table->sclk_table.dpm_levels[i].value * + clock_percent) / 100; + } else + dpm_table->sclk_table.dpm_levels[i].value = + golden_dpm_table->sclk_table.dpm_levels[i].value; + } + } + } + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) { + dpm_table->mclk_table.dpm_levels + [dpm_table->mclk_table.count - 1].value = mclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OD6PlusinDCSupport)) { + + PP_ASSERT_WITH_CODE( + (golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value != 0), + "Divide by 0!", + return -1); + dpm_count = dpm_table->mclk_table.count < 2 ? + 0 : dpm_table->mclk_table.count - 2; + for (i = dpm_count; i > 1; i--) { + if (mclk > golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value) { + clock_percent = ((mclk - + golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value) * 100) / + golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value; + + dpm_table->mclk_table.dpm_levels[i].value = + golden_dpm_table->mclk_table.dpm_levels[i].value + + (golden_dpm_table->mclk_table.dpm_levels[i].value * + clock_percent) / 100; + + } else if (golden_dpm_table->mclk_table.dpm_levels + [dpm_table->mclk_table.count-1].value > mclk) { + clock_percent = ((golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value - mclk) * 100) / + golden_dpm_table->mclk_table.dpm_levels + [golden_dpm_table->mclk_table.count-1].value; + + dpm_table->mclk_table.dpm_levels[i].value = + golden_dpm_table->mclk_table.dpm_levels[i].value - + (golden_dpm_table->mclk_table.dpm_levels[i].value * + clock_percent) / 100; + } else + dpm_table->mclk_table.dpm_levels[i].value = + golden_dpm_table->mclk_table.dpm_levels[i].value; + } + } + } + + if (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) { + result = fiji_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate SCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + if (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) { + /*populate MCLK dpm table to SMU7 */ + result = fiji_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate MCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + return result; +} + +static int fiji_trim_single_dpm_states(struct pp_hwmgr *hwmgr, + struct fiji_single_dpm_table * dpm_table, + uint32_t low_limit, uint32_t high_limit) +{ + uint32_t i; + + for (i = 0; i < dpm_table->count; i++) { + if ((dpm_table->dpm_levels[i].value < low_limit) || + (dpm_table->dpm_levels[i].value > high_limit)) + dpm_table->dpm_levels[i].enabled = false; + else + dpm_table->dpm_levels[i].enabled = true; + } + return 0; +} + +static int fiji_trim_dpm_states(struct pp_hwmgr *hwmgr, + const struct fiji_power_state *fiji_ps) +{ + int result = 0; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t high_limit_count; + + PP_ASSERT_WITH_CODE((fiji_ps->performance_level_count >= 1), + "power state did not have any performance level", + return -1); + + high_limit_count = (1 == fiji_ps->performance_level_count) ? 0 : 1; + + fiji_trim_single_dpm_states(hwmgr, + &(data->dpm_table.sclk_table), + fiji_ps->performance_levels[0].engine_clock, + fiji_ps->performance_levels[high_limit_count].engine_clock); + + fiji_trim_single_dpm_states(hwmgr, + &(data->dpm_table.mclk_table), + fiji_ps->performance_levels[0].memory_clock, + fiji_ps->performance_levels[high_limit_count].memory_clock); + + return result; +} + +static int fiji_generate_dpm_level_enable_mask( + struct pp_hwmgr *hwmgr, const void *input) +{ + int result; + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + const struct fiji_power_state *fiji_ps = + cast_const_phw_fiji_power_state(states->pnew_state); + + result = fiji_trim_dpm_states(hwmgr, fiji_ps); + if (result) + return result; + + data->dpm_level_enable_mask.sclk_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table); + data->dpm_level_enable_mask.mclk_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table); + data->last_mclk_dpm_enable_mask = + data->dpm_level_enable_mask.mclk_dpm_enable_mask; + + if (data->uvd_enabled) { + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask & 1) + data->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE; + } + + data->dpm_level_enable_mask.pcie_dpm_enable_mask = + fiji_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table); + + return 0; +} + +int fiji_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + (PPSMC_Msg)PPSMC_MSG_UVDDPM_Enable : + (PPSMC_Msg)PPSMC_MSG_UVDDPM_Disable); +} + +int fiji_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable? + PPSMC_MSG_VCEDPM_Enable : + PPSMC_MSG_VCEDPM_Disable); +} + +int fiji_enable_disable_samu_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable? + PPSMC_MSG_SAMUDPM_Enable : + PPSMC_MSG_SAMUDPM_Disable); +} + +int fiji_enable_disable_acp_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable? + PPSMC_MSG_ACPDPM_Enable : + PPSMC_MSG_ACPDPM_Disable); +} + +int fiji_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (!bgate) { + data->smc_state_table.UvdBootLevel = 0; + if (table_info->mm_dep_table->count > 0) + data->smc_state_table.UvdBootLevel = + (uint8_t) (table_info->mm_dep_table->count - 1); + mm_boot_level_offset = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, UvdBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0x00FFFFFF; + mm_boot_level_value |= data->smc_state_table.UvdBootLevel << 24; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDDPM) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDDPM_SetEnabledMask, + (uint32_t)(1 << data->smc_state_table.UvdBootLevel)); + } + + return fiji_enable_disable_uvd_dpm(hwmgr, !bgate); +} + +int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + const struct fiji_power_state *fiji_nps = + cast_const_phw_fiji_power_state(states->pnew_state); + const struct fiji_power_state *fiji_cps = + cast_const_phw_fiji_power_state(states->pcurrent_state); + + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (fiji_nps->vce_clks.evclk >0 && + (fiji_cps == NULL || fiji_cps->vce_clks.evclk == 0)) { + data->smc_state_table.VceBootLevel = + (uint8_t) (table_info->mm_dep_table->count - 1); + + mm_boot_level_offset = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, VceBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0xFF00FFFF; + mm_boot_level_value |= data->smc_state_table.VceBootLevel << 16; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) { + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_VCEDPM_SetEnabledMask, + (uint32_t)1 << data->smc_state_table.VceBootLevel); + + fiji_enable_disable_vce_dpm(hwmgr, true); + } else if (fiji_nps->vce_clks.evclk == 0 && + fiji_cps != NULL && + fiji_cps->vce_clks.evclk > 0) + fiji_enable_disable_vce_dpm(hwmgr, false); + } + + return 0; +} + +int fiji_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (!bgate) { + data->smc_state_table.SamuBootLevel = + (uint8_t) (table_info->mm_dep_table->count - 1); + mm_boot_level_offset = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, SamuBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0xFFFFFF00; + mm_boot_level_value |= data->smc_state_table.SamuBootLevel << 0; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SAMUDPM_SetEnabledMask, + (uint32_t)(1 << data->smc_state_table.SamuBootLevel)); + } + + return fiji_enable_disable_samu_dpm(hwmgr, !bgate); +} + +int fiji_update_acp_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (!bgate) { + data->smc_state_table.AcpBootLevel = + (uint8_t) (table_info->mm_dep_table->count - 1); + mm_boot_level_offset = data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, AcpBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0xFFFF00FF; + mm_boot_level_value |= data->smc_state_table.AcpBootLevel << 8; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StablePState)) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_ACPDPM_SetEnabledMask, + (uint32_t)(1 << data->smc_state_table.AcpBootLevel)); + } + + return fiji_enable_disable_acp_dpm(hwmgr, !bgate); +} + +static int fiji_update_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + int result = 0; + uint32_t low_sclk_interrupt_threshold = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkThrottleLowNotification) + && (hwmgr->gfx_arbiter.sclk_threshold != + data->low_sclk_interrupt_threshold)) { + data->low_sclk_interrupt_threshold = + hwmgr->gfx_arbiter.sclk_threshold; + low_sclk_interrupt_threshold = + data->low_sclk_interrupt_threshold; + + CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold); + + result = fiji_copy_bytes_to_smc( + hwmgr->smumgr, + data->dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, + LowSclkInterruptThreshold), + (uint8_t *)&low_sclk_interrupt_threshold, + sizeof(uint32_t), + data->sram_end); + } + + return result; +} + +static int fiji_program_mem_timing_parameters(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK)) + return fiji_program_memory_timing_parameters(hwmgr); + + return 0; +} + +static int fiji_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + + PP_ASSERT_WITH_CODE(true == fiji_is_dpm_running(hwmgr), + "Trying to Unfreeze SCLK DPM when DPM is disabled",); + PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_UnfreezeLevel), + "Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) { + + PP_ASSERT_WITH_CODE(true == fiji_is_dpm_running(hwmgr), + "Trying to Unfreeze MCLK DPM when DPM is disabled",); + PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_UnfreezeLevel), + "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + data->need_update_smu7_dpm_table = 0; + + return 0; +} + +/* Look up the voltaged based on DAL's requested level. + * and then send the requested VDDC voltage to SMC + */ +static void fiji_apply_dal_minimum_voltage_request(struct pp_hwmgr *hwmgr) +{ + return; +} + +int fiji_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr) +{ + int result; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /* Apply minimum voltage based on DAL's request level */ + fiji_apply_dal_minimum_voltage_request(hwmgr); + + if (0 == data->sclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, + * we should skip this message. + */ + if (!fiji_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ] " + "Trying to set Enable Mask when DPM is disabled \n"); + + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Sclk Dpm enable Mask failed", return -1); + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, + * we should skip this message. + */ + if (!fiji_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ]" + " Trying to set Enable Mask when DPM is disabled \n"); + + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.mclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Mclk Dpm enable Mask failed", return -1); + } + } + + return 0; +} + +static int fiji_notify_link_speed_change_after_state_change( + struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = + (const struct phm_set_power_state_input *)input; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + const struct fiji_power_state *fiji_ps = + cast_const_phw_fiji_power_state(states->pnew_state); + uint16_t target_link_speed = fiji_get_maximum_link_speed(hwmgr, fiji_ps); + uint8_t request; + + if (data->pspp_notify_required) { + if (target_link_speed == PP_PCIEGen3) + request = PCIE_PERF_REQ_GEN3; + else if (target_link_speed == PP_PCIEGen2) + request = PCIE_PERF_REQ_GEN2; + else + request = PCIE_PERF_REQ_GEN1; + + if(request == PCIE_PERF_REQ_GEN1 && + fiji_get_current_pcie_speed(hwmgr) > 0) + return 0; + + if (acpi_pcie_perf_request(hwmgr->device, request, false)) { + if (PP_PCIEGen2 == target_link_speed) + printk("PSPP request to switch to Gen2 from Gen3 Failed!"); + else + printk("PSPP request to switch to Gen1 from Gen2 Failed!"); + } + } + + return 0; +} + +static int fiji_set_power_state_tasks(struct pp_hwmgr *hwmgr, + const void *input) +{ + int tmp_result, result = 0; + + tmp_result = fiji_find_dpm_states_clocks_in_dpm_table(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to find DPM states clocks in DPM table!", + result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = + fiji_request_link_speed_change_before_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to request link speed change before state change!", + result = tmp_result); + } + + tmp_result = fiji_freeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to freeze SCLK MCLK DPM!", result = tmp_result); + + tmp_result = fiji_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to populate and upload SCLK MCLK DPM levels!", + result = tmp_result); + + tmp_result = fiji_generate_dpm_level_enable_mask(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to generate DPM level enabled mask!", + result = tmp_result); + + tmp_result = fiji_update_vce_dpm(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to update VCE DPM!", + result = tmp_result); + + tmp_result = fiji_update_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to update SCLK threshold!", + result = tmp_result); + + tmp_result = fiji_program_mem_timing_parameters(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program memory timing parameters!", + result = tmp_result); + + tmp_result = fiji_unfreeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to unfreeze SCLK MCLK DPM!", + result = tmp_result); + + tmp_result = fiji_upload_dpm_level_enable_mask(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to upload DPM level enabled mask!", + result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = + fiji_notify_link_speed_change_after_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to notify link speed change after state change!", + result = tmp_result); + } + + return result; +} + +static int fiji_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct fiji_power_state *fiji_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + fiji_ps = cast_phw_fiji_power_state(&ps->hardware); + + if (low) + return fiji_ps->performance_levels[0].engine_clock; + else + return fiji_ps->performance_levels + [fiji_ps->performance_level_count-1].engine_clock; +} + +static int fiji_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct fiji_power_state *fiji_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + fiji_ps = cast_phw_fiji_power_state(&ps->hardware); + + if (low) + return fiji_ps->performance_levels[0].memory_clock; + else + return fiji_ps->performance_levels + [fiji_ps->performance_level_count-1].memory_clock; +} + +static void fiji_print_current_perforce_level( + struct pp_hwmgr *hwmgr, struct seq_file *m) +{ + uint32_t sclk, mclk, activity_percent = 0; + uint32_t offset; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency); + + sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency); + + mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n", + mclk / 100, sclk / 100); + + offset = data->soft_regs_start + offsetof(SMU73_SoftRegisters, AverageGraphicsActivity); + activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset); + activity_percent += 0x80; + activity_percent >>= 8; + + seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent); +} + +static int fiji_program_display_gap(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t num_active_displays = 0; + uint32_t display_gap = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL); + uint32_t display_gap2; + uint32_t pre_vbi_time_in_us; + uint32_t frame_time_in_us; + uint32_t ref_clock; + uint32_t refresh_rate = 0; + struct cgs_display_info info = {0}; + struct cgs_mode_info mode_info; + + info.mode_info = &mode_info; + + cgs_get_active_displays_info(hwmgr->device, &info); + num_active_displays = info.display_count; + + display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL, + DISP_GAP, (num_active_displays > 0)? + DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL, display_gap); + + ref_clock = mode_info.ref_clock; + refresh_rate = mode_info.refresh_rate; + + if (refresh_rate == 0) + refresh_rate = 60; + + frame_time_in_us = 1000000 / refresh_rate; + + pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us; + display_gap2 = pre_vbi_time_in_us * (ref_clock / 100); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL2, display_gap2); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + data->soft_regs_start + + offsetof(SMU73_SoftRegisters, PreVBlankGap), 0x64); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + data->soft_regs_start + + offsetof(SMU73_SoftRegisters, VBlankTimeout), + (frame_time_in_us - pre_vbi_time_in_us)); + + if (num_active_displays == 1) + tonga_notify_smc_display_change(hwmgr, true); + + return 0; +} + +int fiji_display_configuration_changed_task(struct pp_hwmgr *hwmgr) +{ + return fiji_program_display_gap(hwmgr); +} + +static int fiji_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, + uint16_t us_max_fan_pwm) +{ + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm); +} + +static int fiji_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, + uint16_t us_max_fan_rpm) +{ + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm); +} + +int fiji_dpm_set_interrupt_state(void *private_data, + unsigned src_id, unsigned type, + int enabled) +{ + uint32_t cg_thermal_int; + struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr; + + if (hwmgr == NULL) + return -EINVAL; + + switch (type) { + case AMD_THERMAL_IRQ_LOW_TO_HIGH: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + + case AMD_THERMAL_IRQ_HIGH_TO_LOW: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + default: + break; + } + return 0; +} + +int fiji_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr, + const void *thermal_interrupt_info) +{ + int result; + const struct pp_interrupt_registration_info *info = + (const struct pp_interrupt_registration_info *) + thermal_interrupt_info; + + if (info == NULL) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST, + fiji_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST, + fiji_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + return 0; +} + +static int fiji_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + if (mode) { + /* stop auto-manage */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) + fiji_fan_ctrl_stop_smc_fan_control(hwmgr); + fiji_fan_ctrl_set_static_mode(hwmgr, mode); + } else + /* restart auto-manage */ + fiji_fan_ctrl_reset_fan_speed_to_default(hwmgr); + + return 0; +} + +static int fiji_get_fan_control_mode(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->fan_ctrl_is_in_default_mode) + return hwmgr->fan_ctrl_default_mode; + else + return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE); +} + +static const struct pp_hwmgr_func fiji_hwmgr_funcs = { + .backend_init = &fiji_hwmgr_backend_init, + .backend_fini = &tonga_hwmgr_backend_fini, + .asic_setup = &fiji_setup_asic_task, + .dynamic_state_management_enable = &fiji_enable_dpm_tasks, + .force_dpm_level = &fiji_dpm_force_dpm_level, + .get_num_of_pp_table_entries = &tonga_get_number_of_powerplay_table_entries, + .get_power_state_size = &fiji_get_power_state_size, + .get_pp_table_entry = &fiji_get_pp_table_entry, + .patch_boot_state = &fiji_patch_boot_state, + .apply_state_adjust_rules = &fiji_apply_state_adjust_rules, + .power_state_set = &fiji_set_power_state_tasks, + .get_sclk = &fiji_dpm_get_sclk, + .get_mclk = &fiji_dpm_get_mclk, + .print_current_perforce_level = &fiji_print_current_perforce_level, + .powergate_uvd = &fiji_phm_powergate_uvd, + .powergate_vce = &fiji_phm_powergate_vce, + .disable_clock_power_gating = &fiji_phm_disable_clock_power_gating, + .notify_smc_display_config_after_ps_adjustment = + &tonga_notify_smc_display_config_after_ps_adjustment, + .display_config_changed = &fiji_display_configuration_changed_task, + .set_max_fan_pwm_output = fiji_set_max_fan_pwm_output, + .set_max_fan_rpm_output = fiji_set_max_fan_rpm_output, + .get_temperature = fiji_thermal_get_temperature, + .stop_thermal_controller = fiji_thermal_stop_thermal_controller, + .get_fan_speed_info = fiji_fan_ctrl_get_fan_speed_info, + .get_fan_speed_percent = fiji_fan_ctrl_get_fan_speed_percent, + .set_fan_speed_percent = fiji_fan_ctrl_set_fan_speed_percent, + .reset_fan_speed_to_default = fiji_fan_ctrl_reset_fan_speed_to_default, + .get_fan_speed_rpm = fiji_fan_ctrl_get_fan_speed_rpm, + .set_fan_speed_rpm = fiji_fan_ctrl_set_fan_speed_rpm, + .uninitialize_thermal_controller = fiji_thermal_ctrl_uninitialize_thermal_controller, + .register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt, + .set_fan_control_mode = fiji_set_fan_control_mode, + .get_fan_control_mode = fiji_get_fan_control_mode, +}; + +int fiji_hwmgr_init(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data; + int ret = 0; + + data = kzalloc(sizeof(struct fiji_hwmgr), GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + + hwmgr->backend = data; + hwmgr->hwmgr_func = &fiji_hwmgr_funcs; + hwmgr->pptable_func = &tonga_pptable_funcs; + pp_fiji_thermal_initialize(hwmgr); + return ret; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h new file mode 100644 index 000000000000..22e273b1c1c5 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h @@ -0,0 +1,361 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _FIJI_HWMGR_H_ +#define _FIJI_HWMGR_H_ + +#include "hwmgr.h" +#include "smu73.h" +#include "smu73_discrete.h" +#include "ppatomctrl.h" +#include "fiji_ppsmc.h" + +#define FIJI_MAX_HARDWARE_POWERLEVELS 2 +#define FIJI_AT_DFLT 30 + +#define FIJI_VOLTAGE_CONTROL_NONE 0x0 +#define FIJI_VOLTAGE_CONTROL_BY_GPIO 0x1 +#define FIJI_VOLTAGE_CONTROL_BY_SVID2 0x2 +#define FIJI_VOLTAGE_CONTROL_MERGED 0x3 + +#define DPMTABLE_OD_UPDATE_SCLK 0x00000001 +#define DPMTABLE_OD_UPDATE_MCLK 0x00000002 +#define DPMTABLE_UPDATE_SCLK 0x00000004 +#define DPMTABLE_UPDATE_MCLK 0x00000008 + +struct fiji_performance_level { + uint32_t memory_clock; + uint32_t engine_clock; + uint16_t pcie_gen; + uint16_t pcie_lane; +}; + +struct fiji_uvd_clocks { + uint32_t vclk; + uint32_t dclk; +}; + +struct fiji_vce_clocks { + uint32_t evclk; + uint32_t ecclk; +}; + +struct fiji_power_state { + uint32_t magic; + struct fiji_uvd_clocks uvd_clks; + struct fiji_vce_clocks vce_clks; + uint32_t sam_clk; + uint32_t acp_clk; + uint16_t performance_level_count; + bool dc_compatible; + uint32_t sclk_threshold; + struct fiji_performance_level performance_levels[FIJI_MAX_HARDWARE_POWERLEVELS]; +}; + +struct fiji_dpm_level { + bool enabled; + uint32_t value; + uint32_t param1; +}; + +#define FIJI_MAX_DEEPSLEEP_DIVIDER_ID 5 +#define MAX_REGULAR_DPM_NUMBER 8 +#define FIJI_MINIMUM_ENGINE_CLOCK 2500 + +struct fiji_single_dpm_table { + uint32_t count; + struct fiji_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER]; +}; + +struct fiji_dpm_table { + struct fiji_single_dpm_table sclk_table; + struct fiji_single_dpm_table mclk_table; + struct fiji_single_dpm_table pcie_speed_table; + struct fiji_single_dpm_table vddc_table; + struct fiji_single_dpm_table vddci_table; + struct fiji_single_dpm_table mvdd_table; +}; + +struct fiji_clock_registers { + uint32_t vCG_SPLL_FUNC_CNTL; + uint32_t vCG_SPLL_FUNC_CNTL_2; + uint32_t vCG_SPLL_FUNC_CNTL_3; + uint32_t vCG_SPLL_FUNC_CNTL_4; + uint32_t vCG_SPLL_SPREAD_SPECTRUM; + uint32_t vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t vDLL_CNTL; + uint32_t vMCLK_PWRMGT_CNTL; + uint32_t vMPLL_AD_FUNC_CNTL; + uint32_t vMPLL_DQ_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL_1; + uint32_t vMPLL_FUNC_CNTL_2; + uint32_t vMPLL_SS1; + uint32_t vMPLL_SS2; +}; + +struct fiji_voltage_smio_registers { + uint32_t vS0_VID_LOWER_SMIO_CNTL; +}; + +#define FIJI_MAX_LEAKAGE_COUNT 8 +struct fiji_leakage_voltage { + uint16_t count; + uint16_t leakage_id[FIJI_MAX_LEAKAGE_COUNT]; + uint16_t actual_voltage[FIJI_MAX_LEAKAGE_COUNT]; +}; + +struct fiji_vbios_boot_state { + uint16_t mvdd_bootup_value; + uint16_t vddc_bootup_value; + uint16_t vddci_bootup_value; + uint32_t sclk_bootup_value; + uint32_t mclk_bootup_value; + uint16_t pcie_gen_bootup_value; + uint16_t pcie_lane_bootup_value; +}; + +struct fiji_bacos { + uint32_t best_match; + uint32_t baco_flags; + struct fiji_performance_level performance_level; +}; + +/* Ultra Low Voltage parameter structure */ +struct fiji_ulv_parm { + bool ulv_supported; + uint32_t cg_ulv_parameter; + uint32_t ulv_volt_change_delay; + struct fiji_performance_level ulv_power_level; +}; + +struct fiji_display_timing { + uint32_t min_clock_in_sr; + uint32_t num_existing_displays; +}; + +struct fiji_dpmlevel_enable_mask { + uint32_t uvd_dpm_enable_mask; + uint32_t vce_dpm_enable_mask; + uint32_t acp_dpm_enable_mask; + uint32_t samu_dpm_enable_mask; + uint32_t sclk_dpm_enable_mask; + uint32_t mclk_dpm_enable_mask; + uint32_t pcie_dpm_enable_mask; +}; + +struct fiji_pcie_perf_range { + uint16_t max; + uint16_t min; +}; + +struct fiji_hwmgr { + struct fiji_dpm_table dpm_table; + struct fiji_dpm_table golden_dpm_table; + + uint32_t voting_rights_clients0; + uint32_t voting_rights_clients1; + uint32_t voting_rights_clients2; + uint32_t voting_rights_clients3; + uint32_t voting_rights_clients4; + uint32_t voting_rights_clients5; + uint32_t voting_rights_clients6; + uint32_t voting_rights_clients7; + uint32_t static_screen_threshold_unit; + uint32_t static_screen_threshold; + uint32_t voltage_control; + uint32_t vddc_vddci_delta; + + uint32_t active_auto_throttle_sources; + + struct fiji_clock_registers clock_registers; + struct fiji_voltage_smio_registers voltage_smio_registers; + + bool is_memory_gddr5; + uint16_t acpi_vddc; + bool pspp_notify_required; + uint16_t force_pcie_gen; + uint16_t acpi_pcie_gen; + uint32_t pcie_gen_cap; + uint32_t pcie_lane_cap; + uint32_t pcie_spc_cap; + struct fiji_leakage_voltage vddc_leakage; + struct fiji_leakage_voltage Vddci_leakage; + + uint32_t mvdd_control; + uint32_t vddc_mask_low; + uint32_t mvdd_mask_low; + uint16_t max_vddc_in_pptable; + uint16_t min_vddc_in_pptable; + uint16_t max_vddci_in_pptable; + uint16_t min_vddci_in_pptable; + uint32_t mclk_strobe_mode_threshold; + uint32_t mclk_stutter_mode_threshold; + uint32_t mclk_edc_enable_threshold; + uint32_t mclk_edcwr_enable_threshold; + bool is_uvd_enabled; + struct fiji_vbios_boot_state vbios_boot_state; + + bool battery_state; + bool is_tlu_enabled; + + /* ---- SMC SRAM Address of firmware header tables ---- */ + uint32_t sram_end; + uint32_t dpm_table_start; + uint32_t soft_regs_start; + uint32_t mc_reg_table_start; + uint32_t fan_table_start; + uint32_t arb_table_start; + struct SMU73_Discrete_DpmTable smc_state_table; + struct SMU73_Discrete_Ulv ulv_setting; + + /* ---- Stuff originally coming from Evergreen ---- */ + uint32_t vddci_control; + struct pp_atomctrl_voltage_table vddc_voltage_table; + struct pp_atomctrl_voltage_table vddci_voltage_table; + struct pp_atomctrl_voltage_table mvdd_voltage_table; + + uint32_t mgcg_cgtt_local2; + uint32_t mgcg_cgtt_local3; + uint32_t gpio_debug; + uint32_t mc_micro_code_feature; + uint32_t highest_mclk; + uint16_t acpi_vddci; + uint8_t mvdd_high_index; + uint8_t mvdd_low_index; + bool dll_default_on; + bool performance_request_registered; + + /* ---- Low Power Features ---- */ + struct fiji_bacos bacos; + struct fiji_ulv_parm ulv; + + /* ---- CAC Stuff ---- */ + uint32_t cac_table_start; + bool cac_configuration_required; + bool driver_calculate_cac_leakage; + bool cac_enabled; + + /* ---- DPM2 Parameters ---- */ + uint32_t power_containment_features; + bool enable_dte_feature; + bool enable_tdc_limit_feature; + bool enable_pkg_pwr_tracking_feature; + bool disable_uvd_power_tune_feature; + struct fiji_pt_defaults *power_tune_defaults; + struct SMU73_Discrete_PmFuses power_tune_table; + uint32_t dte_tj_offset; + uint32_t fast_watermark_threshold; + + /* ---- Phase Shedding ---- */ + bool vddc_phase_shed_control; + + /* ---- DI/DT ---- */ + struct fiji_display_timing display_timing; + + /* ---- Thermal Temperature Setting ---- */ + struct fiji_dpmlevel_enable_mask dpm_level_enable_mask; + uint32_t need_update_smu7_dpm_table; + uint32_t sclk_dpm_key_disabled; + uint32_t mclk_dpm_key_disabled; + uint32_t pcie_dpm_key_disabled; + uint32_t min_engine_clocks; + struct fiji_pcie_perf_range pcie_gen_performance; + struct fiji_pcie_perf_range pcie_lane_performance; + struct fiji_pcie_perf_range pcie_gen_power_saving; + struct fiji_pcie_perf_range pcie_lane_power_saving; + bool use_pcie_performance_levels; + bool use_pcie_power_saving_levels; + uint32_t activity_target[SMU73_MAX_LEVELS_GRAPHICS]; + uint32_t mclk_activity_target; + uint32_t mclk_dpm0_activity_target; + uint32_t low_sclk_interrupt_threshold; + uint32_t last_mclk_dpm_enable_mask; + bool uvd_enabled; + + /* ---- Power Gating States ---- */ + bool uvd_power_gated; + bool vce_power_gated; + bool samu_power_gated; + bool acp_power_gated; + bool pg_acp_init; + bool frtc_enabled; + bool frtc_status_changed; +}; + +/* To convert to Q8.8 format for firmware */ +#define FIJI_Q88_FORMAT_CONVERSION_UNIT 256 + +enum Fiji_I2CLineID { + Fiji_I2CLineID_DDC1 = 0x90, + Fiji_I2CLineID_DDC2 = 0x91, + Fiji_I2CLineID_DDC3 = 0x92, + Fiji_I2CLineID_DDC4 = 0x93, + Fiji_I2CLineID_DDC5 = 0x94, + Fiji_I2CLineID_DDC6 = 0x95, + Fiji_I2CLineID_SCLSDA = 0x96, + Fiji_I2CLineID_DDCVGA = 0x97 +}; + +#define Fiji_I2C_DDC1DATA 0 +#define Fiji_I2C_DDC1CLK 1 +#define Fiji_I2C_DDC2DATA 2 +#define Fiji_I2C_DDC2CLK 3 +#define Fiji_I2C_DDC3DATA 4 +#define Fiji_I2C_DDC3CLK 5 +#define Fiji_I2C_SDA 40 +#define Fiji_I2C_SCL 41 +#define Fiji_I2C_DDC4DATA 65 +#define Fiji_I2C_DDC4CLK 66 +#define Fiji_I2C_DDC5DATA 0x48 +#define Fiji_I2C_DDC5CLK 0x49 +#define Fiji_I2C_DDC6DATA 0x4a +#define Fiji_I2C_DDC6CLK 0x4b +#define Fiji_I2C_DDCVGADATA 0x4c +#define Fiji_I2C_DDCVGACLK 0x4d + +#define FIJI_UNUSED_GPIO_PIN 0x7F + +extern int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr); +extern int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr); +extern int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr); +extern int tonga_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr); +extern int tonga_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display); +int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input); +int fiji_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate); +int fiji_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate); +int fiji_update_acp_dpm(struct pp_hwmgr *hwmgr, bool bgate); +int fiji_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable); + +#define PP_HOST_TO_SMC_UL(X) cpu_to_be32(X) +#define PP_SMC_TO_HOST_UL(X) be32_to_cpu(X) + +#define PP_HOST_TO_SMC_US(X) cpu_to_be16(X) +#define PP_SMC_TO_HOST_US(X) be16_to_cpu(X) + +#define CONVERT_FROM_HOST_TO_SMC_UL(X) ((X) = PP_HOST_TO_SMC_UL(X)) +#define CONVERT_FROM_SMC_TO_HOST_UL(X) ((X) = PP_SMC_TO_HOST_UL(X)) + +#define CONVERT_FROM_HOST_TO_SMC_US(X) ((X) = PP_HOST_TO_SMC_US(X)) + +#endif /* _FIJI_HWMGR_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c new file mode 100644 index 000000000000..6efcb2bac45f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c @@ -0,0 +1,553 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "hwmgr.h" +#include "smumgr.h" +#include "fiji_hwmgr.h" +#include "fiji_powertune.h" +#include "fiji_smumgr.h" +#include "smu73_discrete.h" +#include "pp_debug.h" + +#define VOLTAGE_SCALE 4 +#define POWERTUNE_DEFAULT_SET_MAX 1 + +struct fiji_pt_defaults fiji_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = { + /*sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc */ + {1, 0xF, 0xFD, + /* TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase */ + 0x19, 5, 45} +}; + +void fiji_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *fiji_hwmgr = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t tmp = 0; + + if(table_info && + table_info->cac_dtp_table->usPowerTuneDataSetID <= POWERTUNE_DEFAULT_SET_MAX && + table_info->cac_dtp_table->usPowerTuneDataSetID) + fiji_hwmgr->power_tune_defaults = + &fiji_power_tune_data_set_array + [table_info->cac_dtp_table->usPowerTuneDataSetID - 1]; + else + fiji_hwmgr->power_tune_defaults = &fiji_power_tune_data_set_array[0]; + + /* Assume disabled */ + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SQRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DBRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TDRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TCPRamping); + + fiji_hwmgr->dte_tj_offset = tmp; + + if (!tmp) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC); + + fiji_hwmgr->fast_watermark_threshold = 100; + + tmp = 1; + fiji_hwmgr->enable_dte_feature = tmp ? false : true; + fiji_hwmgr->enable_tdc_limit_feature = tmp ? true : false; + fiji_hwmgr->enable_pkg_pwr_tracking_feature = tmp ? true : false; + } +} + +/* PPGen has the gain setting generated in x * 100 unit + * This function is to convert the unit to x * 4096(0x1000) unit. + * This is the unit expected by SMC firmware + */ +static uint16_t scale_fan_gain_settings(uint16_t raw_setting) +{ + uint32_t tmp; + tmp = raw_setting * 4096 / 100; + return (uint16_t)tmp; +} + +static void get_scl_sda_value(uint8_t line, uint8_t *scl, uint8_t* sda) +{ + switch (line) { + case Fiji_I2CLineID_DDC1 : + *scl = Fiji_I2C_DDC1CLK; + *sda = Fiji_I2C_DDC1DATA; + break; + case Fiji_I2CLineID_DDC2 : + *scl = Fiji_I2C_DDC2CLK; + *sda = Fiji_I2C_DDC2DATA; + break; + case Fiji_I2CLineID_DDC3 : + *scl = Fiji_I2C_DDC3CLK; + *sda = Fiji_I2C_DDC3DATA; + break; + case Fiji_I2CLineID_DDC4 : + *scl = Fiji_I2C_DDC4CLK; + *sda = Fiji_I2C_DDC4DATA; + break; + case Fiji_I2CLineID_DDC5 : + *scl = Fiji_I2C_DDC5CLK; + *sda = Fiji_I2C_DDC5DATA; + break; + case Fiji_I2CLineID_DDC6 : + *scl = Fiji_I2C_DDC6CLK; + *sda = Fiji_I2C_DDC6DATA; + break; + case Fiji_I2CLineID_SCLSDA : + *scl = Fiji_I2C_SCL; + *sda = Fiji_I2C_SDA; + break; + case Fiji_I2CLineID_DDCVGA : + *scl = Fiji_I2C_DDCVGACLK; + *sda = Fiji_I2C_DDCVGADATA; + break; + default: + *scl = 0; + *sda = 0; + break; + } +} + +int fiji_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_pt_defaults *defaults = data->power_tune_defaults; + SMU73_Discrete_DpmTable *dpm_table = &(data->smc_state_table); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_cac_tdp_table *cac_dtp_table = table_info->cac_dtp_table; + struct pp_advance_fan_control_parameters *fan_table= + &hwmgr->thermal_controller.advanceFanControlParameters; + uint8_t uc_scl, uc_sda; + + /* TDP number of fraction bits are changed from 8 to 7 for Fiji + * as requested by SMC team + */ + dpm_table->DefaultTdp = PP_HOST_TO_SMC_US( + (uint16_t)(cac_dtp_table->usTDP * 128)); + dpm_table->TargetTdp = PP_HOST_TO_SMC_US( + (uint16_t)(cac_dtp_table->usTDP * 128)); + + PP_ASSERT_WITH_CODE(cac_dtp_table->usTargetOperatingTemp <= 255, + "Target Operating Temp is out of Range!",); + + dpm_table->GpuTjMax = (uint8_t)(cac_dtp_table->usTargetOperatingTemp); + dpm_table->GpuTjHyst = 8; + + dpm_table->DTEAmbientTempBase = defaults->DTEAmbientTempBase; + + /* The following are for new Fiji Multi-input fan/thermal control */ + dpm_table->TemperatureLimitEdge = PP_HOST_TO_SMC_US( + cac_dtp_table->usTargetOperatingTemp * 256); + dpm_table->TemperatureLimitHotspot = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitHotspot * 256); + dpm_table->TemperatureLimitLiquid1 = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitLiquid1 * 256); + dpm_table->TemperatureLimitLiquid2 = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitLiquid2 * 256); + dpm_table->TemperatureLimitVrVddc = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitVrVddc * 256); + dpm_table->TemperatureLimitVrMvdd = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitVrMvdd * 256); + dpm_table->TemperatureLimitPlx = PP_HOST_TO_SMC_US( + cac_dtp_table->usTemperatureLimitPlx * 256); + + dpm_table->FanGainEdge = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainEdge)); + dpm_table->FanGainHotspot = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainHotspot)); + dpm_table->FanGainLiquid = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainLiquid)); + dpm_table->FanGainVrVddc = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainVrVddc)); + dpm_table->FanGainVrMvdd = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainVrMvdd)); + dpm_table->FanGainPlx = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainPlx)); + dpm_table->FanGainHbm = PP_HOST_TO_SMC_US( + scale_fan_gain_settings(fan_table->usFanGainHbm)); + + dpm_table->Liquid1_I2C_address = cac_dtp_table->ucLiquid1_I2C_address; + dpm_table->Liquid2_I2C_address = cac_dtp_table->ucLiquid2_I2C_address; + dpm_table->Vr_I2C_address = cac_dtp_table->ucVr_I2C_address; + dpm_table->Plx_I2C_address = cac_dtp_table->ucPlx_I2C_address; + + get_scl_sda_value(cac_dtp_table->ucLiquid_I2C_Line, &uc_scl, &uc_sda); + dpm_table->Liquid_I2C_LineSCL = uc_scl; + dpm_table->Liquid_I2C_LineSDA = uc_sda; + + get_scl_sda_value(cac_dtp_table->ucVr_I2C_Line, &uc_scl, &uc_sda); + dpm_table->Vr_I2C_LineSCL = uc_scl; + dpm_table->Vr_I2C_LineSDA = uc_sda; + + get_scl_sda_value(cac_dtp_table->ucPlx_I2C_Line, &uc_scl, &uc_sda); + dpm_table->Plx_I2C_LineSCL = uc_scl; + dpm_table->Plx_I2C_LineSDA = uc_sda; + + return 0; +} + +static int fiji_populate_svi_load_line(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_pt_defaults *defaults = data->power_tune_defaults; + + data->power_tune_table.SviLoadLineEn = defaults->SviLoadLineEn; + data->power_tune_table.SviLoadLineVddC = defaults->SviLoadLineVddC; + data->power_tune_table.SviLoadLineTrimVddC = 3; + data->power_tune_table.SviLoadLineOffsetVddC = 0; + + return 0; +} + +static int fiji_populate_tdc_limit(struct pp_hwmgr *hwmgr) +{ + uint16_t tdc_limit; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct fiji_pt_defaults *defaults = data->power_tune_defaults; + + /* TDC number of fraction bits are changed from 8 to 7 + * for Fiji as requested by SMC team + */ + tdc_limit = (uint16_t)(table_info->cac_dtp_table->usTDC * 128); + data->power_tune_table.TDC_VDDC_PkgLimit = + CONVERT_FROM_HOST_TO_SMC_US(tdc_limit); + data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc = + defaults->TDC_VDDC_ThrottleReleaseLimitPerc; + data->power_tune_table.TDC_MAWt = defaults->TDC_MAWt; + + return 0; +} + +static int fiji_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct fiji_pt_defaults *defaults = data->power_tune_defaults; + uint32_t temp; + + if (fiji_read_smc_sram_dword(hwmgr->smumgr, + fuse_table_offset + + offsetof(SMU73_Discrete_PmFuses, TdcWaterfallCtl), + (uint32_t *)&temp, data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!", + return -EINVAL); + else { + data->power_tune_table.TdcWaterfallCtl = defaults->TdcWaterfallCtl; + data->power_tune_table.LPMLTemperatureMin = + (uint8_t)((temp >> 16) & 0xff); + data->power_tune_table.LPMLTemperatureMax = + (uint8_t)((temp >> 8) & 0xff); + data->power_tune_table.Reserved = (uint8_t)(temp & 0xff); + } + return 0; +} + +static int fiji_populate_temperature_scaler(struct pp_hwmgr *hwmgr) +{ + int i; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /* Currently not used. Set all to zero. */ + for (i = 0; i < 16; i++) + data->power_tune_table.LPMLTemperatureScaler[i] = 0; + + return 0; +} + +static int fiji_populate_fuzzy_fan(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if( (hwmgr->thermal_controller.advanceFanControlParameters. + usFanOutputSensitivity & (1 << 15)) || + 0 == hwmgr->thermal_controller.advanceFanControlParameters. + usFanOutputSensitivity ) + hwmgr->thermal_controller.advanceFanControlParameters. + usFanOutputSensitivity = hwmgr->thermal_controller. + advanceFanControlParameters.usDefaultFanOutputSensitivity; + + data->power_tune_table.FuzzyFan_PwmSetDelta = + PP_HOST_TO_SMC_US(hwmgr->thermal_controller. + advanceFanControlParameters.usFanOutputSensitivity); + return 0; +} + +static int fiji_populate_gnb_lpml(struct pp_hwmgr *hwmgr) +{ + int i; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + /* Currently not used. Set all to zero. */ + for (i = 0; i < 16; i++) + data->power_tune_table.GnbLPML[i] = 0; + + return 0; +} + +static int fiji_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) +{ + /* int i, min, max; + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint8_t * pHiVID = data->power_tune_table.BapmVddCVidHiSidd; + uint8_t * pLoVID = data->power_tune_table.BapmVddCVidLoSidd; + + min = max = pHiVID[0]; + for (i = 0; i < 8; i++) { + if (0 != pHiVID[i]) { + if (min > pHiVID[i]) + min = pHiVID[i]; + if (max < pHiVID[i]) + max = pHiVID[i]; + } + + if (0 != pLoVID[i]) { + if (min > pLoVID[i]) + min = pLoVID[i]; + if (max < pLoVID[i]) + max = pLoVID[i]; + } + } + + PP_ASSERT_WITH_CODE((0 != min) && (0 != max), "BapmVddcVidSidd table does not exist!", return int_Failed); + data->power_tune_table.GnbLPMLMaxVid = (uint8_t)max; + data->power_tune_table.GnbLPMLMinVid = (uint8_t)min; +*/ + return 0; +} + +static int fiji_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint16_t HiSidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; + uint16_t LoSidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; + struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table; + + HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256); + LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256); + + data->power_tune_table.BapmVddCBaseLeakageHiSidd = + CONVERT_FROM_HOST_TO_SMC_US(HiSidd); + data->power_tune_table.BapmVddCBaseLeakageLoSidd = + CONVERT_FROM_HOST_TO_SMC_US(LoSidd); + + return 0; +} + +int fiji_populate_pm_fuses(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + uint32_t pm_fuse_table_offset; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (fiji_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, PmFuseTable), + &pm_fuse_table_offset, data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to get pm_fuse_table_offset Failed!", + return -EINVAL); + + /* DW6 */ + if (fiji_populate_svi_load_line(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate SviLoadLine Failed!", + return -EINVAL); + /* DW7 */ + if (fiji_populate_tdc_limit(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TDCLimit Failed!", return -EINVAL); + /* DW8 */ + if (fiji_populate_dw8(hwmgr, pm_fuse_table_offset)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TdcWaterfallCtl, " + "LPMLTemperature Min and Max Failed!", + return -EINVAL); + + /* DW9-DW12 */ + if (0 != fiji_populate_temperature_scaler(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate LPMLTemperatureScaler Failed!", + return -EINVAL); + + /* DW13-DW14 */ + if(fiji_populate_fuzzy_fan(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate Fuzzy Fan Control parameters Failed!", + return -EINVAL); + + /* DW15-DW18 */ + if (fiji_populate_gnb_lpml(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Failed!", + return -EINVAL); + + /* DW19 */ + if (fiji_min_max_vgnb_lpml_id_from_bapm_vddc(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Min and Max Vid Failed!", + return -EINVAL); + + /* DW20 */ + if (fiji_populate_bapm_vddc_base_leakage_sidd(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate BapmVddCBaseLeakage Hi and Lo " + "Sidd Failed!", return -EINVAL); + + if (fiji_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, + (uint8_t *)&data->power_tune_table, + sizeof(struct SMU73_Discrete_PmFuses), data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to download PmFuseTable Failed!", + return -EINVAL); + } + return 0; +} + +int fiji_enable_smc_cac(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + int result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC)) { + int smc_result; + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_EnableCac)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable CAC in SMC.", result = -1); + + data->cac_enabled = (0 == smc_result) ? true : false; + } + return result; +} + +int fiji_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if(data->power_containment_features & + POWERCONTAINMENT_FEATURE_PkgPwrLimit) + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_PkgPwrSetLimit, n); + return 0; +} + +static int fiji_set_overdriver_target_tdp(struct pp_hwmgr *pHwMgr, uint32_t target_tdp) +{ + return smum_send_msg_to_smc_with_parameter(pHwMgr->smumgr, + PPSMC_MSG_OverDriveSetTargetTdp, target_tdp); +} + +int fiji_enable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + int smc_result; + int result = 0; + + data->power_containment_features = 0; + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (data->enable_dte_feature) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_EnableDTE)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable DTE in SMC.", result = -1;); + if (0 == smc_result) + data->power_containment_features |= POWERCONTAINMENT_FEATURE_DTE; + } + + if (data->enable_tdc_limit_feature) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_TDCLimitEnable)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable TDCLimit in SMC.", result = -1;); + if (0 == smc_result) + data->power_containment_features |= + POWERCONTAINMENT_FEATURE_TDCLimit; + } + + if (data->enable_pkg_pwr_tracking_feature) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable PkgPwrTracking in SMC.", result = -1;); + if (0 == smc_result) { + struct phm_cac_tdp_table *cac_table = + table_info->cac_dtp_table; + uint32_t default_limit = + (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256); + + data->power_containment_features |= + POWERCONTAINMENT_FEATURE_PkgPwrLimit; + + if (fiji_set_power_limit(hwmgr, default_limit)) + printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); + } + } + } + return result; +} + +int fiji_power_control_set_level(struct pp_hwmgr *hwmgr) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table; + int adjust_percent, target_tdp; + int result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + /* adjustment percentage has already been validated */ + adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ? + hwmgr->platform_descriptor.TDPAdjustment : + (-1 * hwmgr->platform_descriptor.TDPAdjustment); + /* SMC requested that target_tdp to be 7 bit fraction in DPM table + * but message to be 8 bit fraction for messages + */ + target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100; + result = fiji_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); + } + + return result; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.h new file mode 100644 index 000000000000..55e58200f33a --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.h @@ -0,0 +1,66 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef FIJI_POWERTUNE_H +#define FIJI_POWERTUNE_H + +enum fiji_pt_config_reg_type { + FIJI_CONFIGREG_MMR = 0, + FIJI_CONFIGREG_SMC_IND, + FIJI_CONFIGREG_DIDT_IND, + FIJI_CONFIGREG_CACHE, + FIJI_CONFIGREG_MAX +}; + +/* PowerContainment Features */ +#define POWERCONTAINMENT_FEATURE_DTE 0x00000001 +#define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 +#define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 + +struct fiji_pt_config_reg { + uint32_t offset; + uint32_t mask; + uint32_t shift; + uint32_t value; + enum fiji_pt_config_reg_type type; +}; + +struct fiji_pt_defaults +{ + uint8_t SviLoadLineEn; + uint8_t SviLoadLineVddC; + uint8_t TDC_VDDC_ThrottleReleaseLimitPerc; + uint8_t TDC_MAWt; + uint8_t TdcWaterfallCtl; + uint8_t DTEAmbientTempBase; +}; + +void fiji_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr); +int fiji_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr); +int fiji_populate_pm_fuses(struct pp_hwmgr *hwmgr); +int fiji_enable_smc_cac(struct pp_hwmgr *hwmgr); +int fiji_enable_power_containment(struct pp_hwmgr *hwmgr); +int fiji_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n); +int fiji_power_control_set_level(struct pp_hwmgr *hwmgr); + +#endif /* FIJI_POWERTUNE_H */ + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c new file mode 100644 index 000000000000..e76a7de9aa32 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c @@ -0,0 +1,687 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <asm/div64.h> +#include "fiji_thermal.h" +#include "fiji_hwmgr.h" +#include "fiji_smumgr.h" +#include "fiji_ppsmc.h" +#include "smu/smu_7_1_3_d.h" +#include "smu/smu_7_1_3_sh_mask.h" + +int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, + struct phm_fan_speed_info *fan_speed_info) +{ + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + fan_speed_info->supports_percent_read = true; + fan_speed_info->supports_percent_write = true; + fan_speed_info->min_percent = 0; + fan_speed_info->max_percent = 100; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_FanSpeedInTableIsRPM) && + hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { + fan_speed_info->supports_rpm_read = true; + fan_speed_info->supports_rpm_write = true; + fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM; + fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM; + } else { + fan_speed_info->min_rpm = 0; + fan_speed_info->max_rpm = 0; + } + + return 0; +} + +int fiji_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t *speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL1, FMAX_DUTY100); + duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_STATUS, FDO_PWM_DUTY); + + if (duty100 == 0) + return -EINVAL; + + + tmp64 = (uint64_t)duty * 100; + do_div(tmp64, duty100); + *speed = (uint32_t)tmp64; + + if (*speed > 100) + *speed = 100; + + return 0; +} + +int fiji_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + uint32_t tach_period; + uint32_t crystal_clock_freq; + + if (hwmgr->thermal_controller.fanInfo.bNoFan || + (hwmgr->thermal_controller.fanInfo. + ucTachometerPulsesPerRevolution == 0)) + return 0; + + tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_TACH_STATUS, TACH_PERIOD); + + if (tach_period == 0) + return -EINVAL; + + crystal_clock_freq = tonga_get_xclk(hwmgr); + + *speed = 60 * crystal_clock_freq * 10000/ tach_period; + + return 0; +} + +/** +* Set Fan Speed Control to static mode, so that the user can decide what speed to use. +* @param hwmgr the address of the powerplay hardware manager. +* mode the fan control mode, 0 default, 1 by percent, 5, by RPM +* @exception Should always succeed. +*/ +int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + + if (hwmgr->fan_ctrl_is_in_default_mode) { + hwmgr->fan_ctrl_default_mode = + PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE); + hwmgr->tmin = + PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, TMIN); + hwmgr->fan_ctrl_is_in_default_mode = false; + } + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, TMIN, 0); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE, mode); + + return 0; +} + +/** +* Reset Fan Speed Control to default mode. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Should always succeed. +*/ +int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->fan_ctrl_is_in_default_mode) { + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, TMIN, hwmgr->tmin); + hwmgr->fan_ctrl_is_in_default_mode = true; + } + + return 0; +} + +int fiji_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + int result; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ODFuzzyFanControlSupport)) { + cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY); + result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_FanSpeedInTableIsRPM)) + hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr, + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM); + else + hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr, + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanPWM); + + } else { + cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE); + result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl); + } + + if (!result && hwmgr->thermal_controller. + advanceFanControlParameters.ucTargetTemperature) + result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetFanTemperatureTarget, + hwmgr->thermal_controller. + advanceFanControlParameters.ucTargetTemperature); + + return result; +} + + +int fiji_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl); +} + +/** +* Set Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (0% - 100%) to be set. +* @exception Fails is the 100% setting appears to be 0. +*/ +int fiji_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (speed > 100) + speed = 100; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) + fiji_fan_ctrl_stop_smc_fan_control(hwmgr); + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL1, FMAX_DUTY100); + + if (duty100 == 0) + return -EINVAL; + + tmp64 = (uint64_t)speed * 100; + do_div(tmp64, duty100); + duty = (uint32_t)tmp64; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); + + return fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + +/** +* Reset Fan Speed to default. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Always succeeds. +*/ +int fiji_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) +{ + int result; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) { + result = fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + if (!result) + result = fiji_fan_ctrl_start_smc_fan_control(hwmgr); + } else + result = fiji_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (min - max) to be set. +* @exception Fails is the speed not lie between min and max. +*/ +int fiji_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + uint32_t tach_period; + uint32_t crystal_clock_freq; + + if (hwmgr->thermal_controller.fanInfo.bNoFan || + (hwmgr->thermal_controller.fanInfo. + ucTachometerPulsesPerRevolution == 0) || + (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) || + (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM)) + return 0; + + crystal_clock_freq = tonga_get_xclk(hwmgr); + + tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_TACH_STATUS, TACH_PERIOD, tach_period); + + return fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + +/** +* Reads the remote temperature from the SIslands thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +int fiji_thermal_get_temperature(struct pp_hwmgr *hwmgr) +{ + int temp; + + temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_MULT_THERMAL_STATUS, CTF_TEMP); + + /* Bit 9 means the reading is lower than the lowest usable value. */ + if (temp & 0x200) + temp = FIJI_THERMAL_MAXIMUM_TEMP_READING; + else + temp = temp & 0x1ff; + + temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return temp; +} + +/** +* Set the requested temperature range for high and low alert signals +* +* @param hwmgr The address of the hardware manager. +* @param range Temperature range to be programmed for high and low alert signals +* @exception PP_Result_BadInput if the input data is not valid. +*/ +static int fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, + uint32_t low_temp, uint32_t high_temp) +{ + uint32_t low = FIJI_THERMAL_MINIMUM_ALERT_TEMP * + PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + uint32_t high = FIJI_THERMAL_MAXIMUM_ALERT_TEMP * + PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + if (low < low_temp) + low = low_temp; + if (high > high_temp) + high = high_temp; + + if (low > high) + return -EINVAL; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, DIG_THERM_INTH, + (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, DIG_THERM_INTL, + (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_CTRL, DIG_THERM_DPM, + (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + + return 0; +} + +/** +* Programs thermal controller one-time setting registers +* +* @param hwmgr The address of the hardware manager. +*/ +static int fiji_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_TACH_CTRL, EDGE_PER_REV, + hwmgr->thermal_controller.fanInfo. + ucTachometerPulsesPerRevolution - 1); + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28); + + return 0; +} + +/** +* Enable thermal alerts on the RV770 thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +static int fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, THERM_INT_MASK); + alert &= ~(FIJI_THERMAL_HIGH_ALERT_MASK | FIJI_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to enable internal thermal interrupts */ + return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable); +} + +/** +* Disable thermal alerts on the RV770 thermal controller. +* @param hwmgr The address of the hardware manager. +*/ +static int fiji_thermal_disable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, THERM_INT_MASK); + alert |= (FIJI_THERMAL_HIGH_ALERT_MASK | FIJI_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to disable internal thermal interrupts */ + return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable); +} + +/** +* Uninitialize the thermal controller. +* Currently just disables alerts. +* @param hwmgr The address of the hardware manager. +*/ +int fiji_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) +{ + int result = fiji_thermal_disable_alert(hwmgr); + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + fiji_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set up the fan table to control the fan using the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_fiji_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + SMU73_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE }; + uint32_t duty100; + uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2; + uint16_t fdo_min, slope1, slope2; + uint32_t reference_clock; + int res; + uint64_t tmp64; + + if (data->fan_table_start == 0) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL1, FMAX_DUTY100); + + if (duty100 == 0) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + tmp64 = hwmgr->thermal_controller.advanceFanControlParameters. + usPWMMin * duty100; + do_div(tmp64, 10000); + fdo_min = (uint16_t)tmp64; + + t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - + hwmgr->thermal_controller.advanceFanControlParameters.usTMin; + t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - + hwmgr->thermal_controller.advanceFanControlParameters.usTMed; + + pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin; + pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed; + + slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100); + slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100); + + fan_table.TempMin = cpu_to_be16((50 + hwmgr-> + thermal_controller.advanceFanControlParameters.usTMin) / 100); + fan_table.TempMed = cpu_to_be16((50 + hwmgr-> + thermal_controller.advanceFanControlParameters.usTMed) / 100); + fan_table.TempMax = cpu_to_be16((50 + hwmgr-> + thermal_controller.advanceFanControlParameters.usTMax) / 100); + + fan_table.Slope1 = cpu_to_be16(slope1); + fan_table.Slope2 = cpu_to_be16(slope2); + + fan_table.FdoMin = cpu_to_be16(fdo_min); + + fan_table.HystDown = cpu_to_be16(hwmgr-> + thermal_controller.advanceFanControlParameters.ucTHyst); + + fan_table.HystUp = cpu_to_be16(1); + + fan_table.HystSlope = cpu_to_be16(1); + + fan_table.TempRespLim = cpu_to_be16(5); + + reference_clock = tonga_get_xclk(hwmgr); + + fan_table.RefreshPeriod = cpu_to_be32((hwmgr-> + thermal_controller.advanceFanControlParameters.ulCycleDelay * + reference_clock) / 1600); + + fan_table.FdoMax = cpu_to_be16((uint16_t)duty100); + + fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD( + hwmgr->device, CGS_IND_REG__SMC, + CG_MULT_THERMAL_CTRL, TEMP_SEL); + + res = fiji_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start, + (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), + data->sram_end); + + if (!res && hwmgr->thermal_controller. + advanceFanControlParameters.ucMinimumPWMLimit) + res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetFanMinPwm, + hwmgr->thermal_controller. + advanceFanControlParameters.ucMinimumPWMLimit); + + if (!res && hwmgr->thermal_controller. + advanceFanControlParameters.ulMinFanSCLKAcousticLimit) + res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetFanSclkTarget, + hwmgr->thermal_controller. + advanceFanControlParameters.ulMinFanSCLKAcousticLimit); + + if (res) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl); + + return 0; +} + +/** +* Start the fan control on the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_fiji_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ +/* If the fantable setup has failed we could have disabled + * PHM_PlatformCaps_MicrocodeFanControl even after + * this function was included in the table. + * Make sure that we still think controlling the fan is OK. +*/ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) { + fiji_fan_ctrl_start_smc_fan_control(hwmgr); + fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + } + + return 0; +} + +/** +* Set temperature range for high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input; + + if (range == NULL) + return -EINVAL; + + return fiji_thermal_set_temperature_range(hwmgr, range->min, range->max); +} + +/** +* Programs one-time setting registers +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from initialize thermal controller routine +*/ +int tf_fiji_thermal_initialize(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + return fiji_thermal_initialize(hwmgr); +} + +/** +* Enable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from enable alert routine +*/ +int tf_fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + return fiji_thermal_enable_alert(hwmgr); +} + +/** +* Disable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from disable alert routine +*/ +static int tf_fiji_thermal_disable_alert(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + return fiji_thermal_disable_alert(hwmgr); +} + +static struct phm_master_table_item +fiji_thermal_start_thermal_controller_master_list[] = { + {NULL, tf_fiji_thermal_initialize}, + {NULL, tf_fiji_thermal_set_temperature_range}, + {NULL, tf_fiji_thermal_enable_alert}, +/* We should restrict performance levels to low before we halt the SMC. + * On the other hand we are still in boot state when we do this + * so it would be pointless. + * If this assumption changes we have to revisit this table. + */ + {NULL, tf_fiji_thermal_setup_fan_table}, + {NULL, tf_fiji_thermal_start_smc_fan_control}, + {NULL, NULL} +}; + +static struct phm_master_table_header +fiji_thermal_start_thermal_controller_master = { + 0, + PHM_MasterTableFlag_None, + fiji_thermal_start_thermal_controller_master_list +}; + +static struct phm_master_table_item +fiji_thermal_set_temperature_range_master_list[] = { + {NULL, tf_fiji_thermal_disable_alert}, + {NULL, tf_fiji_thermal_set_temperature_range}, + {NULL, tf_fiji_thermal_enable_alert}, + {NULL, NULL} +}; + +struct phm_master_table_header +fiji_thermal_set_temperature_range_master = { + 0, + PHM_MasterTableFlag_None, + fiji_thermal_set_temperature_range_master_list +}; + +int fiji_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->thermal_controller.fanInfo.bNoFan) + fiji_fan_ctrl_set_default_mode(hwmgr); + return 0; +} + +/** +* Initializes the thermal controller related functions in the Hardware Manager structure. +* @param hwmgr The address of the hardware manager. +* @exception Any error code from the low-level communication. +*/ +int pp_fiji_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + int result; + + result = phm_construct_table(hwmgr, + &fiji_thermal_set_temperature_range_master, + &(hwmgr->set_temperature_range)); + + if (!result) { + result = phm_construct_table(hwmgr, + &fiji_thermal_start_thermal_controller_master, + &(hwmgr->start_thermal_controller)); + if (result) + phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range)); + } + + if (!result) + hwmgr->fan_ctrl_is_in_default_mode = true; + return result; +} + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.h new file mode 100644 index 000000000000..8621493b8574 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.h @@ -0,0 +1,62 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef FIJI_THERMAL_H +#define FIJI_THERMAL_H + +#include "hwmgr.h" + +#define FIJI_THERMAL_HIGH_ALERT_MASK 0x1 +#define FIJI_THERMAL_LOW_ALERT_MASK 0x2 + +#define FIJI_THERMAL_MINIMUM_TEMP_READING -256 +#define FIJI_THERMAL_MAXIMUM_TEMP_READING 255 + +#define FIJI_THERMAL_MINIMUM_ALERT_TEMP 0 +#define FIJI_THERMAL_MAXIMUM_ALERT_TEMP 255 + +#define FDO_PWM_MODE_STATIC 1 +#define FDO_PWM_MODE_STATIC_RPM 5 + + +extern int tf_fiji_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); +extern int tf_fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); +extern int tf_fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); + +extern int fiji_thermal_get_temperature(struct pp_hwmgr *hwmgr); +extern int fiji_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); +extern int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info); +extern int fiji_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr); +extern int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode); +extern int fiji_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int fiji_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); +extern int pp_fiji_thermal_initialize(struct pp_hwmgr *hwmgr); +extern int fiji_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr); +extern int fiji_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int fiji_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int fiji_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr); +extern uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr); + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c new file mode 100644 index 000000000000..9deadabbc81c --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c @@ -0,0 +1,155 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include "hwmgr.h" + +static int phm_run_table(struct pp_hwmgr *hwmgr, + struct phm_runtime_table_header *rt_table, + void *input, + void *output, + void *temp_storage) +{ + int result = 0; + phm_table_function *function; + + for (function = rt_table->function_list; NULL != *function; function++) { + int tmp = (*function)(hwmgr, input, output, temp_storage, result); + + if (tmp == PP_Result_TableImmediateExit) + break; + if (tmp) { + if (0 == result) + result = tmp; + if (rt_table->exit_error) + break; + } + } + + return result; +} + +int phm_dispatch_table(struct pp_hwmgr *hwmgr, + struct phm_runtime_table_header *rt_table, + void *input, void *output) +{ + int result = 0; + void *temp_storage = NULL; + + if (hwmgr == NULL || rt_table == NULL || rt_table->function_list == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Parameter!\n"); + return 0; /*temp return ture because some function not implement on some asic */ + } + + if (0 != rt_table->storage_size) { + temp_storage = kzalloc(rt_table->storage_size, GFP_KERNEL); + if (temp_storage == NULL) { + printk(KERN_ERR "[ powerplay ] Could not allocate table temporary storage\n"); + return -ENOMEM; + } + } + + result = phm_run_table(hwmgr, rt_table, input, output, temp_storage); + + if (NULL != temp_storage) + kfree(temp_storage); + + return result; +} + +int phm_construct_table(struct pp_hwmgr *hwmgr, + struct phm_master_table_header *master_table, + struct phm_runtime_table_header *rt_table) +{ + uint32_t function_count = 0; + const struct phm_master_table_item *table_item; + uint32_t size; + phm_table_function *run_time_list; + phm_table_function *rtf; + + if (hwmgr == NULL || master_table == NULL || rt_table == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Parameter!\n"); + return -EINVAL; + } + + for (table_item = master_table->master_list; + NULL != table_item->tableFunction; table_item++) { + if ((NULL == table_item->isFunctionNeededInRuntimeTable) || + (table_item->isFunctionNeededInRuntimeTable(hwmgr))) + function_count++; + } + + size = (function_count + 1) * sizeof(phm_table_function); + run_time_list = kzalloc(size, GFP_KERNEL); + + if (NULL == run_time_list) + return -ENOMEM; + + rtf = run_time_list; + for (table_item = master_table->master_list; + NULL != table_item->tableFunction; table_item++) { + if ((rtf - run_time_list) > function_count) { + printk(KERN_ERR "[ powerplay ] Check function results have changed\n"); + kfree(run_time_list); + return -EINVAL; + } + + if ((NULL == table_item->isFunctionNeededInRuntimeTable) || + (table_item->isFunctionNeededInRuntimeTable(hwmgr))) { + *(rtf++) = table_item->tableFunction; + } + } + + if ((rtf - run_time_list) > function_count) { + printk(KERN_ERR "[ powerplay ] Check function results have changed\n"); + kfree(run_time_list); + return -EINVAL; + } + + *rtf = NULL; + rt_table->function_list = run_time_list; + rt_table->exit_error = (0 != (master_table->flags & PHM_MasterTableFlag_ExitOnError)); + rt_table->storage_size = master_table->storage_size; + return 0; +} + +int phm_destroy_table(struct pp_hwmgr *hwmgr, + struct phm_runtime_table_header *rt_table) +{ + if (hwmgr == NULL || rt_table == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Parameter\n"); + return -EINVAL; + } + + if (NULL == rt_table->function_list) + return 0; + + kfree(rt_table->function_list); + + rt_table->function_list = NULL; + rt_table->storage_size = 0; + rt_table->exit_error = false; + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c new file mode 100644 index 000000000000..0f2d5e4bc241 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c @@ -0,0 +1,334 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/errno.h> +#include "hwmgr.h" +#include "hardwaremanager.h" +#include "power_state.h" +#include "pp_acpi.h" +#include "amd_acpi.h" +#include "amd_powerplay.h" + +#define PHM_FUNC_CHECK(hw) \ + do { \ + if ((hw) == NULL || (hw)->hwmgr_func == NULL) \ + return -EINVAL; \ + } while (0) + +void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr) +{ + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableVoltageTransition); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableEngineTransition); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMemoryTransition); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMGClockGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMGCGTSSM); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableLSClockGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_Force3DClockSupport); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableLightSleep); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMCLS); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisablePowerGating); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableDPM); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableSMUUVDHandshake); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ThermalAutoThrottling); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_NoOD5Support); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UserMaxClockForMultiDisplays); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VpuRecoveryInProgress); + + if (acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST) && + acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest); +} + +bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr) +{ + return hwmgr->block_hw_access; +} + +int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block) +{ + hwmgr->block_hw_access = block; + return 0; +} + +int phm_setup_asic(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->asic_setup) + return hwmgr->hwmgr_func->asic_setup(hwmgr); + } else { + return phm_dispatch_table(hwmgr, &(hwmgr->setup_asic), + NULL, NULL); + } + + return 0; +} + +int phm_power_down_asic(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->power_off_asic) + return hwmgr->hwmgr_func->power_off_asic(hwmgr); + } else { + return phm_dispatch_table(hwmgr, &(hwmgr->power_down_asic), + NULL, NULL); + } + + return 0; +} + +int phm_set_power_state(struct pp_hwmgr *hwmgr, + const struct pp_hw_power_state *pcurrent_state, + const struct pp_hw_power_state *pnew_power_state) +{ + struct phm_set_power_state_input states; + + PHM_FUNC_CHECK(hwmgr); + + states.pcurrent_state = pcurrent_state; + states.pnew_state = pnew_power_state; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->power_state_set) + return hwmgr->hwmgr_func->power_state_set(hwmgr, &states); + } else { + return phm_dispatch_table(hwmgr, &(hwmgr->set_power_state), &states, NULL); + } + + return 0; +} + +int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable) + return hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); + } else { + return phm_dispatch_table(hwmgr, + &(hwmgr->enable_dynamic_state_management), + NULL, NULL); + } + return 0; +} + +int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->force_dpm_level != NULL) + return hwmgr->hwmgr_func->force_dpm_level(hwmgr, level); + + return 0; +} + +int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + struct pp_power_state *adjusted_ps, + const struct pp_power_state *current_ps) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL) + return hwmgr->hwmgr_func->apply_state_adjust_rules( + hwmgr, + adjusted_ps, + current_ps); + return 0; +} + +int phm_powerdown_uvd(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->powerdown_uvd != NULL) + return hwmgr->hwmgr_func->powerdown_uvd(hwmgr); + return 0; +} + +int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->powergate_uvd != NULL) + return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate); + return 0; +} + +int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->powergate_vce != NULL) + return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate); + return 0; +} + +int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->enable_clock_power_gating) + return hwmgr->hwmgr_func->enable_clock_power_gating(hwmgr); + } else { + return phm_dispatch_table(hwmgr, &(hwmgr->enable_clock_power_gatings), NULL, NULL); + } + return 0; +} + +int phm_display_configuration_changed(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) { + if (NULL != hwmgr->hwmgr_func->display_config_changed) + hwmgr->hwmgr_func->display_config_changed(hwmgr); + } else + return phm_dispatch_table(hwmgr, &hwmgr->display_configuration_changed, NULL, NULL); + return 0; +} + +int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface)) + if (NULL != hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment) + hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr); + + return 0; +} + +int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->stop_thermal_controller == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->stop_thermal_controller(hwmgr); +} + +int phm_register_thermal_interrupt(struct pp_hwmgr *hwmgr, const void *info) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->register_internal_thermal_interrupt == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->register_internal_thermal_interrupt(hwmgr, info); +} + +/** +* Initializes the thermal controller subsystem. +* +* @param pHwMgr the address of the powerplay hardware manager. +* @param pTemperatureRange the address of the structure holding the temperature range. +* @exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the dispatcher. +*/ +int phm_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *temperature_range) +{ + return phm_dispatch_table(hwmgr, &(hwmgr->start_thermal_controller), temperature_range, NULL); +} + + +bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr); +} + + +int phm_check_states_equal(struct pp_hwmgr *hwmgr, + const struct pp_hw_power_state *pstate1, + const struct pp_hw_power_state *pstate2, + bool *equal) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->check_states_equal == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->check_states_equal(hwmgr, pstate1, pstate2, equal); +} + +int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr, + const struct amd_pp_display_configuration *display_config) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->store_cc6_data == NULL) + return -EINVAL; + + hwmgr->display_config = *display_config; + /* to do pass other display configuration in furture */ + + if (hwmgr->hwmgr_func->store_cc6_data) + hwmgr->hwmgr_func->store_cc6_data(hwmgr, + display_config->cpu_pstate_separation_time, + display_config->cpu_cc6_disable, + display_config->cpu_pstate_disable, + display_config->nb_pstate_switch_disable); + + return 0; +} + +int phm_get_dal_power_level(struct pp_hwmgr *hwmgr, + struct amd_pp_dal_clock_info *info) +{ + PHM_FUNC_CHECK(hwmgr); + + if (info == NULL || hwmgr->hwmgr_func->get_dal_power_level == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_dal_power_level(hwmgr, info); +} + +int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr) +{ + PHM_FUNC_CHECK(hwmgr); + + if (hwmgr->hwmgr_func->set_cpu_power_state != NULL) + return hwmgr->hwmgr_func->set_cpu_power_state(hwmgr); + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c new file mode 100644 index 000000000000..5fb98aa2e719 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -0,0 +1,563 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "linux/delay.h" +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include "cgs_common.h" +#include "power_state.h" +#include "hwmgr.h" +#include "pppcielanes.h" +#include "pp_debug.h" +#include "ppatomctrl.h" + +extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr); +extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); +extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr); + +int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) +{ + struct pp_hwmgr *hwmgr; + + if ((handle == NULL) || (pp_init == NULL)) + return -EINVAL; + + hwmgr = kzalloc(sizeof(struct pp_hwmgr), GFP_KERNEL); + if (hwmgr == NULL) + return -ENOMEM; + + handle->hwmgr = hwmgr; + hwmgr->smumgr = handle->smu_mgr; + hwmgr->device = pp_init->device; + hwmgr->chip_family = pp_init->chip_family; + hwmgr->chip_id = pp_init->chip_id; + hwmgr->hw_revision = pp_init->rev_id; + hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT; + hwmgr->power_source = PP_PowerSource_AC; + + switch (hwmgr->chip_family) { + case AMD_FAMILY_CZ: + cz_hwmgr_init(hwmgr); + break; + case AMD_FAMILY_VI: + switch (hwmgr->chip_id) { + case CHIP_TONGA: + tonga_hwmgr_init(hwmgr); + break; + case CHIP_FIJI: + fiji_hwmgr_init(hwmgr); + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + phm_init_dynamic_caps(hwmgr); + + return 0; +} + +int hwmgr_fini(struct pp_hwmgr *hwmgr) +{ + if (hwmgr == NULL || hwmgr->ps == NULL) + return -EINVAL; + + kfree(hwmgr->ps); + kfree(hwmgr); + return 0; +} + +int hw_init_power_state_table(struct pp_hwmgr *hwmgr) +{ + int result; + unsigned int i; + unsigned int table_entries; + struct pp_power_state *state; + int size; + + if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL) + return -EINVAL; + + if (hwmgr->hwmgr_func->get_power_state_size == NULL) + return -EINVAL; + + hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); + + hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + + sizeof(struct pp_power_state); + + hwmgr->ps = kzalloc(size * table_entries, GFP_KERNEL); + + if (hwmgr->ps == NULL) + return -ENOMEM; + + state = hwmgr->ps; + + for (i = 0; i < table_entries; i++) { + result = hwmgr->hwmgr_func->get_pp_table_entry(hwmgr, i, state); + + if (state->classification.flags & PP_StateClassificationFlag_Boot) { + hwmgr->boot_ps = state; + hwmgr->current_ps = hwmgr->request_ps = state; + } + + state->id = i + 1; /* assigned unique num for every power state id */ + + if (state->classification.flags & PP_StateClassificationFlag_Uvd) + hwmgr->uvd_ps = state; + state = (struct pp_power_state *)((unsigned long)state + size); + } + + return 0; +} + + +/** + * Returns once the part of the register indicated by the mask has + * reached the given value. + */ +int phm_wait_on_register(struct pp_hwmgr *hwmgr, uint32_t index, + uint32_t value, uint32_t mask) +{ + uint32_t i; + uint32_t cur_value; + + if (hwmgr == NULL || hwmgr->device == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Hardware Manager!"); + return -EINVAL; + } + + for (i = 0; i < hwmgr->usec_timeout; i++) { + cur_value = cgs_read_register(hwmgr->device, index); + if ((cur_value & mask) == (value & mask)) + break; + udelay(1); + } + + /* timeout means wrong logic*/ + if (i == hwmgr->usec_timeout) + return -1; + return 0; +} + +int phm_wait_for_register_unequal(struct pp_hwmgr *hwmgr, + uint32_t index, uint32_t value, uint32_t mask) +{ + uint32_t i; + uint32_t cur_value; + + if (hwmgr == NULL || hwmgr->device == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Hardware Manager!"); + return -EINVAL; + } + + for (i = 0; i < hwmgr->usec_timeout; i++) { + cur_value = cgs_read_register(hwmgr->device, index); + if ((cur_value & mask) != (value & mask)) + break; + udelay(1); + } + + /* timeout means wrong logic*/ + if (i == hwmgr->usec_timeout) + return -1; + return 0; +} + + +/** + * Returns once the part of the register indicated by the mask has + * reached the given value.The indirect space is described by giving + * the memory-mapped index of the indirect index register. + */ +void phm_wait_on_indirect_register(struct pp_hwmgr *hwmgr, + uint32_t indirect_port, + uint32_t index, + uint32_t value, + uint32_t mask) +{ + if (hwmgr == NULL || hwmgr->device == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Hardware Manager!"); + return; + } + + cgs_write_register(hwmgr->device, indirect_port, index); + phm_wait_on_register(hwmgr, indirect_port + 1, mask, value); +} + +void phm_wait_for_indirect_register_unequal(struct pp_hwmgr *hwmgr, + uint32_t indirect_port, + uint32_t index, + uint32_t value, + uint32_t mask) +{ + if (hwmgr == NULL || hwmgr->device == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Hardware Manager!"); + return; + } + + cgs_write_register(hwmgr->device, indirect_port, index); + phm_wait_for_register_unequal(hwmgr, indirect_port + 1, + value, mask); +} + +bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr) +{ + return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDPowerGating); +} + +bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr) +{ + return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEPowerGating); +} + + +int phm_trim_voltage_table(struct pp_atomctrl_voltage_table *vol_table) +{ + uint32_t i, j; + uint16_t vvalue; + bool found = false; + struct pp_atomctrl_voltage_table *table; + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "Voltage Table empty.", return -EINVAL); + + table = kzalloc(sizeof(struct pp_atomctrl_voltage_table), + GFP_KERNEL); + + if (NULL == table) + return -EINVAL; + + table->mask_low = vol_table->mask_low; + table->phase_delay = vol_table->phase_delay; + + for (i = 0; i < vol_table->count; i++) { + vvalue = vol_table->entries[i].value; + found = false; + + for (j = 0; j < table->count; j++) { + if (vvalue == table->entries[j].value) { + found = true; + break; + } + } + + if (!found) { + table->entries[table->count].value = vvalue; + table->entries[table->count].smio_low = + vol_table->entries[i].smio_low; + table->count++; + } + } + + memcpy(vol_table, table, sizeof(struct pp_atomctrl_voltage_table)); + kfree(table); + + return 0; +} + +int phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].mvdd; + vol_table->entries[i].smio_low = 0; + } + + result = phm_trim_voltage_table(vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim MVDD table.", return result); + + return 0; +} + +int phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].vddci; + vol_table->entries[i].smio_low = 0; + } + + result = phm_trim_voltage_table(vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim VDDCI table.", return result); + + return 0; +} + +int phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_voltage_lookup_table *lookup_table) +{ + int i = 0; + + PP_ASSERT_WITH_CODE((0 != lookup_table->count), + "Voltage Lookup Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + + vol_table->count = lookup_table->count; + + for (i = 0; i < vol_table->count; i++) { + vol_table->entries[i].value = lookup_table->entries[i].us_vdd; + vol_table->entries[i].smio_low = 0; + } + + return 0; +} + +void phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps, + struct pp_atomctrl_voltage_table *vol_table) +{ + unsigned int i, diff; + + if (vol_table->count <= max_vol_steps) + return; + + diff = vol_table->count - max_vol_steps; + + for (i = 0; i < max_vol_steps; i++) + vol_table->entries[i] = vol_table->entries[i + diff]; + + vol_table->count = max_vol_steps; + + return; +} + +int phm_reset_single_dpm_table(void *table, + uint32_t count, int max) +{ + int i; + + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + PP_ASSERT_WITH_CODE(count <= max, + "Fatal error, can not set up single DPM table entries to exceed max number!", + ); + + dpm_table->count = count; + for (i = 0; i < max; i++) + dpm_table->dpm_level[i].enabled = false; + + return 0; +} + +void phm_setup_pcie_table_entry( + void *table, + uint32_t index, uint32_t pcie_gen, + uint32_t pcie_lanes) +{ + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + dpm_table->dpm_level[index].value = pcie_gen; + dpm_table->dpm_level[index].param1 = pcie_lanes; + dpm_table->dpm_level[index].enabled = 1; +} + +int32_t phm_get_dpm_level_enable_mask_value(void *table) +{ + int32_t i; + int32_t mask = 0; + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + for (i = dpm_table->count; i > 0; i--) { + mask = mask << 1; + if (dpm_table->dpm_level[i - 1].enabled) + mask |= 0x1; + else + mask &= 0xFFFFFFFE; + } + + return mask; +} + +uint8_t phm_get_voltage_index( + struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage) +{ + uint8_t count = (uint8_t) (lookup_table->count); + uint8_t i; + + PP_ASSERT_WITH_CODE((NULL != lookup_table), + "Lookup Table empty.", return 0); + PP_ASSERT_WITH_CODE((0 != count), + "Lookup Table empty.", return 0); + + for (i = 0; i < lookup_table->count; i++) { + /* find first voltage equal or bigger than requested */ + if (lookup_table->entries[i].us_vdd >= voltage) + return i; + } + /* voltage is bigger than max voltage in the table */ + return i - 1; +} + +uint16_t phm_find_closest_vddci(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci) +{ + uint32_t i; + + for (i = 0; i < vddci_table->count; i++) { + if (vddci_table->entries[i].value >= vddci) + return vddci_table->entries[i].value; + } + + PP_ASSERT_WITH_CODE(false, + "VDDCI is larger than max VDDCI in VDDCI Voltage Table!", + return vddci_table->entries[i].value); +} + +int phm_find_boot_level(void *table, + uint32_t value, uint32_t *boot_level) +{ + int result = -EINVAL; + uint32_t i; + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + for (i = 0; i < dpm_table->count; i++) { + if (value == dpm_table->dpm_level[i].value) { + *boot_level = i; + result = 0; + } + } + + return result; +} + +int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + uint16_t virtual_voltage_id, int32_t *sclk) +{ + uint8_t entryId; + uint8_t voltageId; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -EINVAL); + + /* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */ + for (entryId = 0; entryId < table_info->vdd_dep_on_sclk->count; entryId++) { + voltageId = table_info->vdd_dep_on_sclk->entries[entryId].vddInd; + if (lookup_table->entries[voltageId].us_vdd == virtual_voltage_id) + break; + } + + PP_ASSERT_WITH_CODE(entryId < table_info->vdd_dep_on_sclk->count, + "Can't find requested voltage id in vdd_dep_on_sclk table!", + return -EINVAL; + ); + + *sclk = table_info->vdd_dep_on_sclk->entries[entryId].clk; + + return 0; +} + +/** + * Initialize Dynamic State Adjustment Rule Settings + * + * @param hwmgr the address of the powerplay hardware manager. + */ +int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr) +{ + uint32_t table_size; + struct phm_clock_voltage_dependency_table *table_clk_vlt; + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + /* initialize vddc_dep_on_dal_pwrl table */ + table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record); + table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + printk(KERN_ERR "[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n"); + return -ENOMEM; + } else { + table_clk_vlt->count = 4; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW; + table_clk_vlt->entries[1].v = 720; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL; + table_clk_vlt->entries[2].v = 810; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE; + table_clk_vlt->entries[3].v = 900; + pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + } + + return 0; +} + +int phm_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) { + kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl); + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + } + + if (NULL != hwmgr->backend) { + kfree(hwmgr->backend); + hwmgr->backend = NULL; + } + + return 0; +} + +uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask) +{ + uint32_t level = 0; + + while (0 == (mask & (1 << level))) + level++; + + return level; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr_ppt.h b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr_ppt.h new file mode 100644 index 000000000000..c9e6c2d80ea6 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr_ppt.h @@ -0,0 +1,105 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef PP_HWMGR_PPT_H +#define PP_HWMGR_PPT_H + +#include "hardwaremanager.h" +#include "smumgr.h" +#include "atom-types.h" + +struct phm_ppt_v1_clock_voltage_dependency_record { + uint32_t clk; + uint8_t vddInd; + uint16_t vdd_offset; + uint16_t vddc; + uint16_t vddgfx; + uint16_t vddci; + uint16_t mvdd; + uint8_t phases; + uint8_t cks_enable; + uint8_t cks_voffset; +}; + +typedef struct phm_ppt_v1_clock_voltage_dependency_record phm_ppt_v1_clock_voltage_dependency_record; + +struct phm_ppt_v1_clock_voltage_dependency_table { + uint32_t count; /* Number of entries. */ + phm_ppt_v1_clock_voltage_dependency_record entries[1]; /* Dynamically allocate count entries. */ +}; + +typedef struct phm_ppt_v1_clock_voltage_dependency_table phm_ppt_v1_clock_voltage_dependency_table; + + +/* Multimedia Clock Voltage Dependency records and table */ +struct phm_ppt_v1_mm_clock_voltage_dependency_record { + uint32_t dclk; /* UVD D-clock */ + uint32_t vclk; /* UVD V-clock */ + uint32_t eclk; /* VCE clock */ + uint32_t aclk; /* ACP clock */ + uint32_t samclock; /* SAMU clock */ + uint8_t vddcInd; + uint16_t vddgfx_offset; + uint16_t vddc; + uint16_t vddgfx; + uint8_t phases; +}; +typedef struct phm_ppt_v1_mm_clock_voltage_dependency_record phm_ppt_v1_mm_clock_voltage_dependency_record; + +struct phm_ppt_v1_mm_clock_voltage_dependency_table { + uint32_t count; /* Number of entries. */ + phm_ppt_v1_mm_clock_voltage_dependency_record entries[1]; /* Dynamically allocate count entries. */ +}; +typedef struct phm_ppt_v1_mm_clock_voltage_dependency_table phm_ppt_v1_mm_clock_voltage_dependency_table; + +struct phm_ppt_v1_voltage_lookup_record { + uint16_t us_calculated; + uint16_t us_vdd; /* Base voltage */ + uint16_t us_cac_low; + uint16_t us_cac_mid; + uint16_t us_cac_high; +}; +typedef struct phm_ppt_v1_voltage_lookup_record phm_ppt_v1_voltage_lookup_record; + +struct phm_ppt_v1_voltage_lookup_table { + uint32_t count; + phm_ppt_v1_voltage_lookup_record entries[1]; /* Dynamically allocate count entries. */ +}; +typedef struct phm_ppt_v1_voltage_lookup_table phm_ppt_v1_voltage_lookup_table; + +/* PCIE records and Table */ + +struct phm_ppt_v1_pcie_record { + uint8_t gen_speed; + uint8_t lane_width; +}; +typedef struct phm_ppt_v1_pcie_record phm_ppt_v1_pcie_record; + +struct phm_ppt_v1_pcie_table { + uint32_t count; /* Number of entries. */ + phm_ppt_v1_pcie_record entries[1]; /* Dynamically allocate count entries. */ +}; +typedef struct phm_ppt_v1_pcie_table phm_ppt_v1_pcie_table; + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c new file mode 100644 index 000000000000..7b2d5000292d --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c @@ -0,0 +1,76 @@ +#include <linux/errno.h> +#include "linux/delay.h" +#include "hwmgr.h" +#include "amd_acpi.h" + +bool acpi_atcs_functions_supported(void *device, uint32_t index) +{ + int32_t result; + struct atcs_verify_interface output_buf = {0}; + + int32_t temp_buffer = 1; + + result = cgs_call_acpi_method(device, CGS_ACPI_METHOD_ATCS, + ATCS_FUNCTION_VERIFY_INTERFACE, + &temp_buffer, + &output_buf, + 1, + sizeof(temp_buffer), + sizeof(output_buf)); + + return result == 0 ? (output_buf.function_bits & (1 << (index - 1))) != 0 : false; +} + +int acpi_pcie_perf_request(void *device, uint8_t perf_req, bool advertise) +{ + struct atcs_pref_req_input atcs_input; + struct atcs_pref_req_output atcs_output; + u32 retry = 3; + int result; + struct cgs_system_info info = {0}; + + if (!acpi_atcs_functions_supported(device, ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST)) + return -EINVAL; + + info.size = sizeof(struct cgs_system_info); + info.info_id = CGS_SYSTEM_INFO_ADAPTER_BDF_ID; + result = cgs_query_system_info(device, &info); + if (result != 0) + return -EINVAL; + atcs_input.client_id = (uint16_t)info.value; + atcs_input.size = sizeof(struct atcs_pref_req_input); + atcs_input.valid_flags_mask = ATCS_VALID_FLAGS_MASK; + atcs_input.flags = ATCS_WAIT_FOR_COMPLETION; + if (advertise) + atcs_input.flags |= ATCS_ADVERTISE_CAPS; + atcs_input.req_type = ATCS_PCIE_LINK_SPEED; + atcs_input.perf_req = perf_req; + + atcs_output.size = sizeof(struct atcs_pref_req_input); + + while (retry--) { + result = cgs_call_acpi_method(device, + CGS_ACPI_METHOD_ATCS, + ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST, + &atcs_input, + &atcs_output, + 0, + sizeof(atcs_input), + sizeof(atcs_output)); + if (result != 0) + return -EIO; + + switch (atcs_output.ret_val) { + case ATCS_REQUEST_REFUSED: + default: + return -EINVAL; + case ATCS_REQUEST_COMPLETE: + return 0; + case ATCS_REQUEST_IN_PROGRESS: + udelay(10); + break; + } + } + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c new file mode 100644 index 000000000000..2a83a4af2904 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c @@ -0,0 +1,1207 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/fb.h> + +#include "ppatomctrl.h" +#include "atombios.h" +#include "cgs_common.h" +#include "pp_debug.h" +#include "ppevvmath.h" + +#define MEM_ID_MASK 0xff000000 +#define MEM_ID_SHIFT 24 +#define CLOCK_RANGE_MASK 0x00ffffff +#define CLOCK_RANGE_SHIFT 0 +#define LOW_NIBBLE_MASK 0xf +#define DATA_EQU_PREV 0 +#define DATA_FROM_TABLE 4 + +union voltage_object_info { + struct _ATOM_VOLTAGE_OBJECT_INFO v1; + struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2; + struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3; +}; + +static int atomctrl_retrieve_ac_timing( + uint8_t index, + ATOM_INIT_REG_BLOCK *reg_block, + pp_atomctrl_mc_reg_table *table) +{ + uint32_t i, j; + uint8_t tmem_id; + ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *) + ((uint8_t *)reg_block + (2 * sizeof(uint16_t)) + le16_to_cpu(reg_block->usRegIndexTblSize)); + + uint8_t num_ranges = 0; + + while (*(uint32_t *)reg_data != END_OF_REG_DATA_BLOCK && + num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES) { + tmem_id = (uint8_t)((*(uint32_t *)reg_data & MEM_ID_MASK) >> MEM_ID_SHIFT); + + if (index == tmem_id) { + table->mc_reg_table_entry[num_ranges].mclk_max = + (uint32_t)((*(uint32_t *)reg_data & CLOCK_RANGE_MASK) >> + CLOCK_RANGE_SHIFT); + + for (i = 0, j = 1; i < table->last; i++) { + if ((table->mc_reg_address[i].uc_pre_reg_data & + LOW_NIBBLE_MASK) == DATA_FROM_TABLE) { + table->mc_reg_table_entry[num_ranges].mc_data[i] = + (uint32_t)*((uint32_t *)reg_data + j); + j++; + } else if ((table->mc_reg_address[i].uc_pre_reg_data & + LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + table->mc_reg_table_entry[num_ranges].mc_data[i] = + table->mc_reg_table_entry[num_ranges].mc_data[i-1]; + } + } + num_ranges++; + } + + reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *) + ((uint8_t *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize)) ; + } + + PP_ASSERT_WITH_CODE((*(uint32_t *)reg_data == END_OF_REG_DATA_BLOCK), + "Invalid VramInfo table.", return -1); + table->num_entries = num_ranges; + + return 0; +} + +/** + * Get memory clock AC timing registers index from VBIOS table + * VBIOS set end of memory clock AC timing registers by ucPreRegDataLength bit6 = 1 + * @param reg_block the address ATOM_INIT_REG_BLOCK + * @param table the address of MCRegTable + * @return 0 + */ +static int atomctrl_set_mc_reg_address_table( + ATOM_INIT_REG_BLOCK *reg_block, + pp_atomctrl_mc_reg_table *table) +{ + uint8_t i = 0; + uint8_t num_entries = (uint8_t)((le16_to_cpu(reg_block->usRegIndexTblSize)) + / sizeof(ATOM_INIT_REG_INDEX_FORMAT)); + ATOM_INIT_REG_INDEX_FORMAT *format = ®_block->asRegIndexBuf[0]; + + num_entries--; /* subtract 1 data end mark entry */ + + PP_ASSERT_WITH_CODE((num_entries <= VBIOS_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + + /* ucPreRegDataLength bit6 = 1 is the end of memory clock AC timing registers */ + while ((!(format->ucPreRegDataLength & ACCESS_PLACEHOLDER)) && + (i < num_entries)) { + table->mc_reg_address[i].s1 = + (uint16_t)(le16_to_cpu(format->usRegIndex)); + table->mc_reg_address[i].uc_pre_reg_data = + format->ucPreRegDataLength; + + i++; + format = (ATOM_INIT_REG_INDEX_FORMAT *) + ((uint8_t *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT)); + } + + table->last = i; + return 0; +} + + +int atomctrl_initialize_mc_reg_table( + struct pp_hwmgr *hwmgr, + uint8_t module_index, + pp_atomctrl_mc_reg_table *table) +{ + ATOM_VRAM_INFO_HEADER_V2_1 *vram_info; + ATOM_INIT_REG_BLOCK *reg_block; + int result = 0; + u8 frev, crev; + u16 size; + + vram_info = (ATOM_VRAM_INFO_HEADER_V2_1 *) + cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev); + + if (module_index >= vram_info->ucNumOfVRAMModule) { + printk(KERN_ERR "[ powerplay ] Invalid VramInfo table."); + result = -1; + } else if (vram_info->sHeader.ucTableFormatRevision < 2) { + printk(KERN_ERR "[ powerplay ] Invalid VramInfo table."); + result = -1; + } + + if (0 == result) { + reg_block = (ATOM_INIT_REG_BLOCK *) + ((uint8_t *)vram_info + le16_to_cpu(vram_info->usMemClkPatchTblOffset)); + result = atomctrl_set_mc_reg_address_table(reg_block, table); + } + + if (0 == result) { + result = atomctrl_retrieve_ac_timing(module_index, + reg_block, table); + } + + return result; +} + +/** + * Set DRAM timings based on engine clock and memory clock. + */ +int atomctrl_set_engine_dram_timings_rv770( + struct pp_hwmgr *hwmgr, + uint32_t engine_clock, + uint32_t memory_clock) +{ + SET_ENGINE_CLOCK_PS_ALLOCATION engine_clock_parameters; + + /* They are both in 10KHz Units. */ + engine_clock_parameters.ulTargetEngineClock = + (uint32_t) engine_clock & SET_CLOCK_FREQ_MASK; + engine_clock_parameters.ulTargetEngineClock |= + (COMPUTE_ENGINE_PLL_PARAM << 24); + + /* in 10 khz units.*/ + engine_clock_parameters.sReserved.ulClock = + (uint32_t) memory_clock & SET_CLOCK_FREQ_MASK; + return cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings), + &engine_clock_parameters); +} + +/** + * Private Function to get the PowerPlay Table Address. + * WARNING: The tabled returned by this function is in + * dynamically allocated memory. + * The caller has to release if by calling kfree. + */ +static ATOM_VOLTAGE_OBJECT_INFO *get_voltage_info_table(void *device) +{ + int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo); + u8 frev, crev; + u16 size; + union voltage_object_info *voltage_info; + + voltage_info = (union voltage_object_info *) + cgs_atom_get_data_table(device, index, + &size, &frev, &crev); + + if (voltage_info != NULL) + return (ATOM_VOLTAGE_OBJECT_INFO *) &(voltage_info->v3); + else + return NULL; +} + +static const ATOM_VOLTAGE_OBJECT_V3 *atomctrl_lookup_voltage_type_v3( + const ATOM_VOLTAGE_OBJECT_INFO_V3_1 * voltage_object_info_table, + uint8_t voltage_type, uint8_t voltage_mode) +{ + unsigned int size = le16_to_cpu(voltage_object_info_table->sHeader.usStructureSize); + unsigned int offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]); + uint8_t *start = (uint8_t *)voltage_object_info_table; + + while (offset < size) { + const ATOM_VOLTAGE_OBJECT_V3 *voltage_object = + (const ATOM_VOLTAGE_OBJECT_V3 *)(start + offset); + + if (voltage_type == voltage_object->asGpioVoltageObj.sHeader.ucVoltageType && + voltage_mode == voltage_object->asGpioVoltageObj.sHeader.ucVoltageMode) + return voltage_object; + + offset += le16_to_cpu(voltage_object->asGpioVoltageObj.sHeader.usSize); + } + + return NULL; +} + +/** atomctrl_get_memory_pll_dividers_si(). + * + * @param hwmgr input parameter: pointer to HwMgr + * @param clock_value input parameter: memory clock + * @param dividers output parameter: memory PLL dividers + * @param strobe_mode input parameter: 1 for strobe mode, 0 for performance mode + */ +int atomctrl_get_memory_pll_dividers_si( + struct pp_hwmgr *hwmgr, + uint32_t clock_value, + pp_atomctrl_memory_clock_param *mpll_param, + bool strobe_mode) +{ + COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 mpll_parameters; + int result; + + mpll_parameters.ulClock = (uint32_t) clock_value; + mpll_parameters.ucInputFlag = (uint8_t)((strobe_mode) ? 1 : 0); + + result = cgs_atom_exec_cmd_table + (hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam), + &mpll_parameters); + + if (0 == result) { + mpll_param->mpll_fb_divider.clk_frac = + mpll_parameters.ulFbDiv.usFbDivFrac; + mpll_param->mpll_fb_divider.cl_kf = + mpll_parameters.ulFbDiv.usFbDiv; + mpll_param->mpll_post_divider = + (uint32_t)mpll_parameters.ucPostDiv; + mpll_param->vco_mode = + (uint32_t)(mpll_parameters.ucPllCntlFlag & + MPLL_CNTL_FLAG_VCO_MODE_MASK); + mpll_param->yclk_sel = + (uint32_t)((mpll_parameters.ucPllCntlFlag & + MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0); + mpll_param->qdr = + (uint32_t)((mpll_parameters.ucPllCntlFlag & + MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0); + mpll_param->half_rate = + (uint32_t)((mpll_parameters.ucPllCntlFlag & + MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0); + mpll_param->dll_speed = + (uint32_t)(mpll_parameters.ucDllSpeed); + mpll_param->bw_ctrl = + (uint32_t)(mpll_parameters.ucBWCntl); + } + + return result; +} + +/** atomctrl_get_memory_pll_dividers_vi(). + * + * @param hwmgr input parameter: pointer to HwMgr + * @param clock_value input parameter: memory clock + * @param dividers output parameter: memory PLL dividers + */ +int atomctrl_get_memory_pll_dividers_vi(struct pp_hwmgr *hwmgr, + uint32_t clock_value, pp_atomctrl_memory_clock_param *mpll_param) +{ + COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_2 mpll_parameters; + int result; + + mpll_parameters.ulClock.ulClock = (uint32_t)clock_value; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam), + &mpll_parameters); + + if (!result) + mpll_param->mpll_post_divider = + (uint32_t)mpll_parameters.ulClock.ucPostDiv; + + return result; +} + +int atomctrl_get_engine_pll_dividers_kong(struct pp_hwmgr *hwmgr, + uint32_t clock_value, + pp_atomctrl_clock_dividers_kong *dividers) +{ + COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 pll_parameters; + int result; + + pll_parameters.ulClock = clock_value; + + result = cgs_atom_exec_cmd_table + (hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL), + &pll_parameters); + + if (0 == result) { + dividers->pll_post_divider = pll_parameters.ucPostDiv; + dividers->real_clock = pll_parameters.ulClock; + } + + return result; +} + +int atomctrl_get_engine_pll_dividers_vi( + struct pp_hwmgr *hwmgr, + uint32_t clock_value, + pp_atomctrl_clock_dividers_vi *dividers) +{ + COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 pll_patameters; + int result; + + pll_patameters.ulClock.ulClock = clock_value; + pll_patameters.ulClock.ucPostDiv = COMPUTE_GPUCLK_INPUT_FLAG_SCLK; + + result = cgs_atom_exec_cmd_table + (hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL), + &pll_patameters); + + if (0 == result) { + dividers->pll_post_divider = + pll_patameters.ulClock.ucPostDiv; + dividers->real_clock = + pll_patameters.ulClock.ulClock; + + dividers->ul_fb_div.ul_fb_div_frac = + pll_patameters.ulFbDiv.usFbDivFrac; + dividers->ul_fb_div.ul_fb_div = + pll_patameters.ulFbDiv.usFbDiv; + + dividers->uc_pll_ref_div = + pll_patameters.ucPllRefDiv; + dividers->uc_pll_post_div = + pll_patameters.ucPllPostDiv; + dividers->uc_pll_cntl_flag = + pll_patameters.ucPllCntlFlag; + } + + return result; +} + +int atomctrl_get_dfs_pll_dividers_vi( + struct pp_hwmgr *hwmgr, + uint32_t clock_value, + pp_atomctrl_clock_dividers_vi *dividers) +{ + COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 pll_patameters; + int result; + + pll_patameters.ulClock.ulClock = clock_value; + pll_patameters.ulClock.ucPostDiv = + COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK; + + result = cgs_atom_exec_cmd_table + (hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL), + &pll_patameters); + + if (0 == result) { + dividers->pll_post_divider = + pll_patameters.ulClock.ucPostDiv; + dividers->real_clock = + pll_patameters.ulClock.ulClock; + + dividers->ul_fb_div.ul_fb_div_frac = + pll_patameters.ulFbDiv.usFbDivFrac; + dividers->ul_fb_div.ul_fb_div = + pll_patameters.ulFbDiv.usFbDiv; + + dividers->uc_pll_ref_div = + pll_patameters.ucPllRefDiv; + dividers->uc_pll_post_div = + pll_patameters.ucPllPostDiv; + dividers->uc_pll_cntl_flag = + pll_patameters.ucPllCntlFlag; + } + + return result; +} + +/** + * Get the reference clock in 10KHz + */ +uint32_t atomctrl_get_reference_clock(struct pp_hwmgr *hwmgr) +{ + ATOM_FIRMWARE_INFO *fw_info; + u8 frev, crev; + u16 size; + uint32_t clock; + + fw_info = (ATOM_FIRMWARE_INFO *) + cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, FirmwareInfo), + &size, &frev, &crev); + + if (fw_info == NULL) + clock = 2700; + else + clock = (uint32_t)(le16_to_cpu(fw_info->usReferenceClock)); + + return clock; +} + +/** + * Returns true if the given voltage type is controlled by GPIO pins. + * voltage_type is one of SET_VOLTAGE_TYPE_ASIC_VDDC, + * SET_VOLTAGE_TYPE_ASIC_MVDDC, SET_VOLTAGE_TYPE_ASIC_MVDDQ. + * voltage_mode is one of ATOM_SET_VOLTAGE, ATOM_SET_VOLTAGE_PHASE + */ +bool atomctrl_is_voltage_controled_by_gpio_v3( + struct pp_hwmgr *hwmgr, + uint8_t voltage_type, + uint8_t voltage_mode) +{ + ATOM_VOLTAGE_OBJECT_INFO_V3_1 *voltage_info = + (ATOM_VOLTAGE_OBJECT_INFO_V3_1 *)get_voltage_info_table(hwmgr->device); + bool ret; + + PP_ASSERT_WITH_CODE((NULL != voltage_info), + "Could not find Voltage Table in BIOS.", return false;); + + ret = (NULL != atomctrl_lookup_voltage_type_v3 + (voltage_info, voltage_type, voltage_mode)) ? true : false; + + return ret; +} + +int atomctrl_get_voltage_table_v3( + struct pp_hwmgr *hwmgr, + uint8_t voltage_type, + uint8_t voltage_mode, + pp_atomctrl_voltage_table *voltage_table) +{ + ATOM_VOLTAGE_OBJECT_INFO_V3_1 *voltage_info = + (ATOM_VOLTAGE_OBJECT_INFO_V3_1 *)get_voltage_info_table(hwmgr->device); + const ATOM_VOLTAGE_OBJECT_V3 *voltage_object; + unsigned int i; + + PP_ASSERT_WITH_CODE((NULL != voltage_info), + "Could not find Voltage Table in BIOS.", return -1;); + + voltage_object = atomctrl_lookup_voltage_type_v3 + (voltage_info, voltage_type, voltage_mode); + + if (voltage_object == NULL) + return -1; + + PP_ASSERT_WITH_CODE( + (voltage_object->asGpioVoltageObj.ucGpioEntryNum <= + PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES), + "Too many voltage entries!", + return -1; + ); + + for (i = 0; i < voltage_object->asGpioVoltageObj.ucGpioEntryNum; i++) { + voltage_table->entries[i].value = + voltage_object->asGpioVoltageObj.asVolGpioLut[i].usVoltageValue; + voltage_table->entries[i].smio_low = + voltage_object->asGpioVoltageObj.asVolGpioLut[i].ulVoltageId; + } + + voltage_table->mask_low = + voltage_object->asGpioVoltageObj.ulGpioMaskVal; + voltage_table->count = + voltage_object->asGpioVoltageObj.ucGpioEntryNum; + voltage_table->phase_delay = + voltage_object->asGpioVoltageObj.ucPhaseDelay; + + return 0; +} + +static bool atomctrl_lookup_gpio_pin( + ATOM_GPIO_PIN_LUT * gpio_lookup_table, + const uint32_t pinId, + pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment) +{ + unsigned int size = le16_to_cpu(gpio_lookup_table->sHeader.usStructureSize); + unsigned int offset = offsetof(ATOM_GPIO_PIN_LUT, asGPIO_Pin[0]); + uint8_t *start = (uint8_t *)gpio_lookup_table; + + while (offset < size) { + const ATOM_GPIO_PIN_ASSIGNMENT *pin_assignment = + (const ATOM_GPIO_PIN_ASSIGNMENT *)(start + offset); + + if (pinId == pin_assignment->ucGPIO_ID) { + gpio_pin_assignment->uc_gpio_pin_bit_shift = + pin_assignment->ucGpioPinBitShift; + gpio_pin_assignment->us_gpio_pin_aindex = + le16_to_cpu(pin_assignment->usGpioPin_AIndex); + return false; + } + + offset += offsetof(ATOM_GPIO_PIN_ASSIGNMENT, ucGPIO_ID) + 1; + } + + return true; +} + +/** + * Private Function to get the PowerPlay Table Address. + * WARNING: The tabled returned by this function is in + * dynamically allocated memory. + * The caller has to release if by calling kfree. + */ +static ATOM_GPIO_PIN_LUT *get_gpio_lookup_table(void *device) +{ + u8 frev, crev; + u16 size; + void *table_address; + + table_address = (ATOM_GPIO_PIN_LUT *) + cgs_atom_get_data_table(device, + GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT), + &size, &frev, &crev); + + PP_ASSERT_WITH_CODE((NULL != table_address), + "Error retrieving BIOS Table Address!", return NULL;); + + return (ATOM_GPIO_PIN_LUT *)table_address; +} + +/** + * Returns 1 if the given pin id find in lookup table. + */ +bool atomctrl_get_pp_assign_pin( + struct pp_hwmgr *hwmgr, + const uint32_t pinId, + pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment) +{ + bool bRet = 0; + ATOM_GPIO_PIN_LUT *gpio_lookup_table = + get_gpio_lookup_table(hwmgr->device); + + PP_ASSERT_WITH_CODE((NULL != gpio_lookup_table), + "Could not find GPIO lookup Table in BIOS.", return -1); + + bRet = atomctrl_lookup_gpio_pin(gpio_lookup_table, pinId, + gpio_pin_assignment); + + return bRet; +} + +int atomctrl_calculate_voltage_evv_on_sclk( + struct pp_hwmgr *hwmgr, + uint8_t voltage_type, + uint32_t sclk, + uint16_t virtual_voltage_Id, + uint16_t *voltage, + uint16_t dpm_level, + bool debug) +{ + ATOM_ASIC_PROFILING_INFO_V3_4 *getASICProfilingInfo; + + EFUSE_LINEAR_FUNC_PARAM sRO_fuse; + EFUSE_LINEAR_FUNC_PARAM sCACm_fuse; + EFUSE_LINEAR_FUNC_PARAM sCACb_fuse; + EFUSE_LOGISTIC_FUNC_PARAM sKt_Beta_fuse; + EFUSE_LOGISTIC_FUNC_PARAM sKv_m_fuse; + EFUSE_LOGISTIC_FUNC_PARAM sKv_b_fuse; + EFUSE_INPUT_PARAMETER sInput_FuseValues; + READ_EFUSE_VALUE_PARAMETER sOutput_FuseValues; + + uint32_t ul_RO_fused, ul_CACb_fused, ul_CACm_fused, ul_Kt_Beta_fused, ul_Kv_m_fused, ul_Kv_b_fused; + fInt fSM_A0, fSM_A1, fSM_A2, fSM_A3, fSM_A4, fSM_A5, fSM_A6, fSM_A7; + fInt fMargin_RO_a, fMargin_RO_b, fMargin_RO_c, fMargin_fixed, fMargin_FMAX_mean, fMargin_Plat_mean, fMargin_FMAX_sigma, fMargin_Plat_sigma, fMargin_DC_sigma; + fInt fLkg_FT, repeat; + fInt fMicro_FMAX, fMicro_CR, fSigma_FMAX, fSigma_CR, fSigma_DC, fDC_SCLK, fSquared_Sigma_DC, fSquared_Sigma_CR, fSquared_Sigma_FMAX; + fInt fRLL_LoadLine, fPowerDPMx, fDerateTDP, fVDDC_base, fA_Term, fC_Term, fB_Term, fRO_DC_margin; + fInt fRO_fused, fCACm_fused, fCACb_fused, fKv_m_fused, fKv_b_fused, fKt_Beta_fused, fFT_Lkg_V0NORM; + fInt fSclk_margin, fSclk, fEVV_V; + fInt fV_min, fV_max, fT_prod, fLKG_Factor, fT_FT, fV_FT, fV_x, fTDP_Power, fTDP_Power_right, fTDP_Power_left, fTDP_Current, fV_NL; + uint32_t ul_FT_Lkg_V0NORM; + fInt fLn_MaxDivMin, fMin, fAverage, fRange; + fInt fRoots[2]; + fInt fStepSize = GetScaledFraction(625, 100000); + + int result; + + getASICProfilingInfo = (ATOM_ASIC_PROFILING_INFO_V3_4 *) + cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo), + NULL, NULL, NULL); + + if (!getASICProfilingInfo) + return -1; + + if(getASICProfilingInfo->asHeader.ucTableFormatRevision < 3 || + (getASICProfilingInfo->asHeader.ucTableFormatRevision == 3 && + getASICProfilingInfo->asHeader.ucTableContentRevision < 4)) + return -1; + + /*----------------------------------------------------------- + *GETTING MULTI-STEP PARAMETERS RELATED TO CURRENT DPM LEVEL + *----------------------------------------------------------- + */ + fRLL_LoadLine = Divide(getASICProfilingInfo->ulLoadLineSlop, 1000); + + switch (dpm_level) { + case 1: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm1); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM1, 1000); + break; + case 2: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm2); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM2, 1000); + break; + case 3: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm3); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM3, 1000); + break; + case 4: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm4); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM4, 1000); + break; + case 5: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm5); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM5, 1000); + break; + case 6: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm6); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM6, 1000); + break; + case 7: + fPowerDPMx = Convert_ULONG_ToFraction(getASICProfilingInfo->usPowerDpm7); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM7, 1000); + break; + default: + printk(KERN_ERR "DPM Level not supported\n"); + fPowerDPMx = Convert_ULONG_ToFraction(1); + fDerateTDP = GetScaledFraction(getASICProfilingInfo->ulTdpDerateDPM0, 1000); + } + + /*------------------------- + * DECODING FUSE VALUES + * ------------------------ + */ + /*Decode RO_Fused*/ + sRO_fuse = getASICProfilingInfo->sRoFuse; + + sInput_FuseValues.usEfuseIndex = sRO_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sRO_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sRO_fuse.ucEfuseLength; + + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + /* Finally, the actual fuse value */ + ul_RO_fused = sOutput_FuseValues.ulEfuseValue; + fMin = GetScaledFraction(sRO_fuse.ulEfuseMin, 1); + fRange = GetScaledFraction(sRO_fuse.ulEfuseEncodeRange, 1); + fRO_fused = fDecodeLinearFuse(ul_RO_fused, fMin, fRange, sRO_fuse.ucEfuseLength); + + sCACm_fuse = getASICProfilingInfo->sCACm; + + sInput_FuseValues.usEfuseIndex = sCACm_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sCACm_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sCACm_fuse.ucEfuseLength; + + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + ul_CACm_fused = sOutput_FuseValues.ulEfuseValue; + fMin = GetScaledFraction(sCACm_fuse.ulEfuseMin, 1000); + fRange = GetScaledFraction(sCACm_fuse.ulEfuseEncodeRange, 1000); + + fCACm_fused = fDecodeLinearFuse(ul_CACm_fused, fMin, fRange, sCACm_fuse.ucEfuseLength); + + sCACb_fuse = getASICProfilingInfo->sCACb; + + sInput_FuseValues.usEfuseIndex = sCACb_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sCACb_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sCACb_fuse.ucEfuseLength; + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + ul_CACb_fused = sOutput_FuseValues.ulEfuseValue; + fMin = GetScaledFraction(sCACb_fuse.ulEfuseMin, 1000); + fRange = GetScaledFraction(sCACb_fuse.ulEfuseEncodeRange, 1000); + + fCACb_fused = fDecodeLinearFuse(ul_CACb_fused, fMin, fRange, sCACb_fuse.ucEfuseLength); + + sKt_Beta_fuse = getASICProfilingInfo->sKt_b; + + sInput_FuseValues.usEfuseIndex = sKt_Beta_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sKt_Beta_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sKt_Beta_fuse.ucEfuseLength; + + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + ul_Kt_Beta_fused = sOutput_FuseValues.ulEfuseValue; + fAverage = GetScaledFraction(sKt_Beta_fuse.ulEfuseEncodeAverage, 1000); + fRange = GetScaledFraction(sKt_Beta_fuse.ulEfuseEncodeRange, 1000); + + fKt_Beta_fused = fDecodeLogisticFuse(ul_Kt_Beta_fused, + fAverage, fRange, sKt_Beta_fuse.ucEfuseLength); + + sKv_m_fuse = getASICProfilingInfo->sKv_m; + + sInput_FuseValues.usEfuseIndex = sKv_m_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sKv_m_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sKv_m_fuse.ucEfuseLength; + + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + if (result) + return result; + + ul_Kv_m_fused = sOutput_FuseValues.ulEfuseValue; + fAverage = GetScaledFraction(sKv_m_fuse.ulEfuseEncodeAverage, 1000); + fRange = GetScaledFraction((sKv_m_fuse.ulEfuseEncodeRange & 0x7fffffff), 1000); + fRange = fMultiply(fRange, ConvertToFraction(-1)); + + fKv_m_fused = fDecodeLogisticFuse(ul_Kv_m_fused, + fAverage, fRange, sKv_m_fuse.ucEfuseLength); + + sKv_b_fuse = getASICProfilingInfo->sKv_b; + + sInput_FuseValues.usEfuseIndex = sKv_b_fuse.usEfuseIndex; + sInput_FuseValues.ucBitShift = sKv_b_fuse.ucEfuseBitLSB; + sInput_FuseValues.ucBitLength = sKv_b_fuse.ucEfuseLength; + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + ul_Kv_b_fused = sOutput_FuseValues.ulEfuseValue; + fAverage = GetScaledFraction(sKv_b_fuse.ulEfuseEncodeAverage, 1000); + fRange = GetScaledFraction(sKv_b_fuse.ulEfuseEncodeRange, 1000); + + fKv_b_fused = fDecodeLogisticFuse(ul_Kv_b_fused, + fAverage, fRange, sKv_b_fuse.ucEfuseLength); + + /* Decoding the Leakage - No special struct container */ + /* + * usLkgEuseIndex=56 + * ucLkgEfuseBitLSB=6 + * ucLkgEfuseLength=10 + * ulLkgEncodeLn_MaxDivMin=69077 + * ulLkgEncodeMax=1000000 + * ulLkgEncodeMin=1000 + * ulEfuseLogisticAlpha=13 + */ + + sInput_FuseValues.usEfuseIndex = getASICProfilingInfo->usLkgEuseIndex; + sInput_FuseValues.ucBitShift = getASICProfilingInfo->ucLkgEfuseBitLSB; + sInput_FuseValues.ucBitLength = getASICProfilingInfo->ucLkgEfuseLength; + + sOutput_FuseValues.sEfuse = sInput_FuseValues; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &sOutput_FuseValues); + + if (result) + return result; + + ul_FT_Lkg_V0NORM = sOutput_FuseValues.ulEfuseValue; + fLn_MaxDivMin = GetScaledFraction(getASICProfilingInfo->ulLkgEncodeLn_MaxDivMin, 10000); + fMin = GetScaledFraction(getASICProfilingInfo->ulLkgEncodeMin, 10000); + + fFT_Lkg_V0NORM = fDecodeLeakageID(ul_FT_Lkg_V0NORM, + fLn_MaxDivMin, fMin, getASICProfilingInfo->ucLkgEfuseLength); + fLkg_FT = fFT_Lkg_V0NORM; + + /*------------------------------------------- + * PART 2 - Grabbing all required values + *------------------------------------------- + */ + fSM_A0 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A0, 1000000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A0_sign))); + fSM_A1 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A1, 1000000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A1_sign))); + fSM_A2 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A2, 100000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A2_sign))); + fSM_A3 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A3, 1000000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A3_sign))); + fSM_A4 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A4, 1000000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A4_sign))); + fSM_A5 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A5, 1000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A5_sign))); + fSM_A6 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A6, 1000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A6_sign))); + fSM_A7 = fMultiply(GetScaledFraction(getASICProfilingInfo->ulSM_A7, 1000), + ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A7_sign))); + + fMargin_RO_a = ConvertToFraction(getASICProfilingInfo->ulMargin_RO_a); + fMargin_RO_b = ConvertToFraction(getASICProfilingInfo->ulMargin_RO_b); + fMargin_RO_c = ConvertToFraction(getASICProfilingInfo->ulMargin_RO_c); + + fMargin_fixed = ConvertToFraction(getASICProfilingInfo->ulMargin_fixed); + + fMargin_FMAX_mean = GetScaledFraction( + getASICProfilingInfo->ulMargin_Fmax_mean, 10000); + fMargin_Plat_mean = GetScaledFraction( + getASICProfilingInfo->ulMargin_plat_mean, 10000); + fMargin_FMAX_sigma = GetScaledFraction( + getASICProfilingInfo->ulMargin_Fmax_sigma, 10000); + fMargin_Plat_sigma = GetScaledFraction( + getASICProfilingInfo->ulMargin_plat_sigma, 10000); + + fMargin_DC_sigma = GetScaledFraction( + getASICProfilingInfo->ulMargin_DC_sigma, 100); + fMargin_DC_sigma = fDivide(fMargin_DC_sigma, ConvertToFraction(1000)); + + fCACm_fused = fDivide(fCACm_fused, ConvertToFraction(100)); + fCACb_fused = fDivide(fCACb_fused, ConvertToFraction(100)); + fKt_Beta_fused = fDivide(fKt_Beta_fused, ConvertToFraction(100)); + fKv_m_fused = fNegate(fDivide(fKv_m_fused, ConvertToFraction(100))); + fKv_b_fused = fDivide(fKv_b_fused, ConvertToFraction(10)); + + fSclk = GetScaledFraction(sclk, 100); + + fV_max = fDivide(GetScaledFraction( + getASICProfilingInfo->ulMaxVddc, 1000), ConvertToFraction(4)); + fT_prod = GetScaledFraction(getASICProfilingInfo->ulBoardCoreTemp, 10); + fLKG_Factor = GetScaledFraction(getASICProfilingInfo->ulEvvLkgFactor, 100); + fT_FT = GetScaledFraction(getASICProfilingInfo->ulLeakageTemp, 10); + fV_FT = fDivide(GetScaledFraction( + getASICProfilingInfo->ulLeakageVoltage, 1000), ConvertToFraction(4)); + fV_min = fDivide(GetScaledFraction( + getASICProfilingInfo->ulMinVddc, 1000), ConvertToFraction(4)); + + /*----------------------- + * PART 3 + *----------------------- + */ + + fA_Term = fAdd(fMargin_RO_a, fAdd(fMultiply(fSM_A4,fSclk), fSM_A5)); + fB_Term = fAdd(fAdd(fMultiply(fSM_A2, fSclk), fSM_A6), fMargin_RO_b); + fC_Term = fAdd(fMargin_RO_c, + fAdd(fMultiply(fSM_A0,fLkg_FT), + fAdd(fMultiply(fSM_A1, fMultiply(fLkg_FT,fSclk)), + fAdd(fMultiply(fSM_A3, fSclk), + fSubtract(fSM_A7,fRO_fused))))); + + fVDDC_base = fSubtract(fRO_fused, + fSubtract(fMargin_RO_c, + fSubtract(fSM_A3, fMultiply(fSM_A1, fSclk)))); + fVDDC_base = fDivide(fVDDC_base, fAdd(fMultiply(fSM_A0,fSclk), fSM_A2)); + + repeat = fSubtract(fVDDC_base, + fDivide(fMargin_DC_sigma, ConvertToFraction(1000))); + + fRO_DC_margin = fAdd(fMultiply(fMargin_RO_a, + fGetSquare(repeat)), + fAdd(fMultiply(fMargin_RO_b, repeat), + fMargin_RO_c)); + + fDC_SCLK = fSubtract(fRO_fused, + fSubtract(fRO_DC_margin, + fSubtract(fSM_A3, + fMultiply(fSM_A2, repeat)))); + fDC_SCLK = fDivide(fDC_SCLK, fAdd(fMultiply(fSM_A0,repeat), fSM_A1)); + + fSigma_DC = fSubtract(fSclk, fDC_SCLK); + + fMicro_FMAX = fMultiply(fSclk, fMargin_FMAX_mean); + fMicro_CR = fMultiply(fSclk, fMargin_Plat_mean); + fSigma_FMAX = fMultiply(fSclk, fMargin_FMAX_sigma); + fSigma_CR = fMultiply(fSclk, fMargin_Plat_sigma); + + fSquared_Sigma_DC = fGetSquare(fSigma_DC); + fSquared_Sigma_CR = fGetSquare(fSigma_CR); + fSquared_Sigma_FMAX = fGetSquare(fSigma_FMAX); + + fSclk_margin = fAdd(fMicro_FMAX, + fAdd(fMicro_CR, + fAdd(fMargin_fixed, + fSqrt(fAdd(fSquared_Sigma_FMAX, + fAdd(fSquared_Sigma_DC, fSquared_Sigma_CR)))))); + /* + fA_Term = fSM_A4 * (fSclk + fSclk_margin) + fSM_A5; + fB_Term = fSM_A2 * (fSclk + fSclk_margin) + fSM_A6; + fC_Term = fRO_DC_margin + fSM_A0 * fLkg_FT + fSM_A1 * fLkg_FT * (fSclk + fSclk_margin) + fSM_A3 * (fSclk + fSclk_margin) + fSM_A7 - fRO_fused; + */ + + fA_Term = fAdd(fMultiply(fSM_A4, fAdd(fSclk, fSclk_margin)), fSM_A5); + fB_Term = fAdd(fMultiply(fSM_A2, fAdd(fSclk, fSclk_margin)), fSM_A6); + fC_Term = fAdd(fRO_DC_margin, + fAdd(fMultiply(fSM_A0, fLkg_FT), + fAdd(fMultiply(fMultiply(fSM_A1, fLkg_FT), + fAdd(fSclk, fSclk_margin)), + fAdd(fMultiply(fSM_A3, + fAdd(fSclk, fSclk_margin)), + fSubtract(fSM_A7, fRO_fused))))); + + SolveQuadracticEqn(fA_Term, fB_Term, fC_Term, fRoots); + + if (GreaterThan(fRoots[0], fRoots[1])) + fEVV_V = fRoots[1]; + else + fEVV_V = fRoots[0]; + + if (GreaterThan(fV_min, fEVV_V)) + fEVV_V = fV_min; + else if (GreaterThan(fEVV_V, fV_max)) + fEVV_V = fSubtract(fV_max, fStepSize); + + fEVV_V = fRoundUpByStepSize(fEVV_V, fStepSize, 0); + + /*----------------- + * PART 4 + *----------------- + */ + + fV_x = fV_min; + + while (GreaterThan(fAdd(fV_max, fStepSize), fV_x)) { + fTDP_Power_left = fMultiply(fMultiply(fMultiply(fAdd( + fMultiply(fCACm_fused, fV_x), fCACb_fused), fSclk), + fGetSquare(fV_x)), fDerateTDP); + + fTDP_Power_right = fMultiply(fFT_Lkg_V0NORM, fMultiply(fLKG_Factor, + fMultiply(fExponential(fMultiply(fAdd(fMultiply(fKv_m_fused, + fT_prod), fKv_b_fused), fV_x)), fV_x))); + fTDP_Power_right = fMultiply(fTDP_Power_right, fExponential(fMultiply( + fKt_Beta_fused, fT_prod))); + fTDP_Power_right = fDivide(fTDP_Power_right, fExponential(fMultiply( + fAdd(fMultiply(fKv_m_fused, fT_prod), fKv_b_fused), fV_FT))); + fTDP_Power_right = fDivide(fTDP_Power_right, fExponential(fMultiply( + fKt_Beta_fused, fT_FT))); + + fTDP_Power = fAdd(fTDP_Power_left, fTDP_Power_right); + + fTDP_Current = fDivide(fTDP_Power, fV_x); + + fV_NL = fAdd(fV_x, fDivide(fMultiply(fTDP_Current, fRLL_LoadLine), + ConvertToFraction(10))); + + fV_NL = fRoundUpByStepSize(fV_NL, fStepSize, 0); + + if (GreaterThan(fV_max, fV_NL) && + (GreaterThan(fV_NL,fEVV_V) || + Equal(fV_NL, fEVV_V))) { + fV_NL = fMultiply(fV_NL, ConvertToFraction(1000)); + + *voltage = (uint16_t)fV_NL.partial.real; + break; + } else + fV_x = fAdd(fV_x, fStepSize); + } + + return result; +} + +/** atomctrl_get_voltage_evv_on_sclk gets voltage via call to ATOM COMMAND table. + * @param hwmgr input: pointer to hwManager + * @param voltage_type input: type of EVV voltage VDDC or VDDGFX + * @param sclk input: in 10Khz unit. DPM state SCLK frequency + * which is define in PPTable SCLK/VDDC dependence + * table associated with this virtual_voltage_Id + * @param virtual_voltage_Id input: voltage id which match per voltage DPM state: 0xff01, 0xff02.. 0xff08 + * @param voltage output: real voltage level in unit of mv + */ +int atomctrl_get_voltage_evv_on_sclk( + struct pp_hwmgr *hwmgr, + uint8_t voltage_type, + uint32_t sclk, uint16_t virtual_voltage_Id, + uint16_t *voltage) +{ + int result; + GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 get_voltage_info_param_space; + + get_voltage_info_param_space.ucVoltageType = + voltage_type; + get_voltage_info_param_space.ucVoltageMode = + ATOM_GET_VOLTAGE_EVV_VOLTAGE; + get_voltage_info_param_space.usVoltageLevel = + virtual_voltage_Id; + get_voltage_info_param_space.ulSCLKFreq = + sclk; + + result = cgs_atom_exec_cmd_table(hwmgr->device, + GetIndexIntoMasterTable(COMMAND, GetVoltageInfo), + &get_voltage_info_param_space); + + if (0 != result) + return result; + + *voltage = ((GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 *) + (&get_voltage_info_param_space))->usVoltageLevel; + + return result; +} + +/** + * Get the mpll reference clock in 10KHz + */ +uint32_t atomctrl_get_mpll_reference_clock(struct pp_hwmgr *hwmgr) +{ + ATOM_COMMON_TABLE_HEADER *fw_info; + uint32_t clock; + u8 frev, crev; + u16 size; + + fw_info = (ATOM_COMMON_TABLE_HEADER *) + cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, FirmwareInfo), + &size, &frev, &crev); + + if (fw_info == NULL) + clock = 2700; + else { + if ((fw_info->ucTableFormatRevision == 2) && + (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V2_1))) { + ATOM_FIRMWARE_INFO_V2_1 *fwInfo_2_1 = + (ATOM_FIRMWARE_INFO_V2_1 *)fw_info; + clock = (uint32_t)(le16_to_cpu(fwInfo_2_1->usMemoryReferenceClock)); + } else { + ATOM_FIRMWARE_INFO *fwInfo_0_0 = + (ATOM_FIRMWARE_INFO *)fw_info; + clock = (uint32_t)(le16_to_cpu(fwInfo_0_0->usReferenceClock)); + } + } + + return clock; +} + +/** + * Get the asic internal spread spectrum table + */ +static ATOM_ASIC_INTERNAL_SS_INFO *asic_internal_ss_get_ss_table(void *device) +{ + ATOM_ASIC_INTERNAL_SS_INFO *table = NULL; + u8 frev, crev; + u16 size; + + table = (ATOM_ASIC_INTERNAL_SS_INFO *) + cgs_atom_get_data_table(device, + GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info), + &size, &frev, &crev); + + return table; +} + +/** + * Get the asic internal spread spectrum assignment + */ +static int asic_internal_ss_get_ss_asignment(struct pp_hwmgr *hwmgr, + const uint8_t clockSource, + const uint32_t clockSpeed, + pp_atomctrl_internal_ss_info *ssEntry) +{ + ATOM_ASIC_INTERNAL_SS_INFO *table; + ATOM_ASIC_SS_ASSIGNMENT *ssInfo; + int entry_found = 0; + + memset(ssEntry, 0x00, sizeof(pp_atomctrl_internal_ss_info)); + + table = asic_internal_ss_get_ss_table(hwmgr->device); + + if (NULL == table) + return -1; + + ssInfo = &table->asSpreadSpectrum[0]; + + while (((uint8_t *)ssInfo - (uint8_t *)table) < + le16_to_cpu(table->sHeader.usStructureSize)) { + if ((clockSource == ssInfo->ucClockIndication) && + ((uint32_t)clockSpeed <= le32_to_cpu(ssInfo->ulTargetClockRange))) { + entry_found = 1; + break; + } + + ssInfo = (ATOM_ASIC_SS_ASSIGNMENT *)((uint8_t *)ssInfo + + sizeof(ATOM_ASIC_SS_ASSIGNMENT)); + } + + if (entry_found) { + ssEntry->speed_spectrum_percentage = + ssInfo->usSpreadSpectrumPercentage; + ssEntry->speed_spectrum_rate = ssInfo->usSpreadRateInKhz; + + if (((GET_DATA_TABLE_MAJOR_REVISION(table) == 2) && + (GET_DATA_TABLE_MINOR_REVISION(table) >= 2)) || + (GET_DATA_TABLE_MAJOR_REVISION(table) == 3)) { + ssEntry->speed_spectrum_rate /= 100; + } + + switch (ssInfo->ucSpreadSpectrumMode) { + case 0: + ssEntry->speed_spectrum_mode = + pp_atomctrl_spread_spectrum_mode_down; + break; + case 1: + ssEntry->speed_spectrum_mode = + pp_atomctrl_spread_spectrum_mode_center; + break; + default: + ssEntry->speed_spectrum_mode = + pp_atomctrl_spread_spectrum_mode_down; + break; + } + } + + return entry_found ? 0 : 1; +} + +/** + * Get the memory clock spread spectrum info + */ +int atomctrl_get_memory_clock_spread_spectrum( + struct pp_hwmgr *hwmgr, + const uint32_t memory_clock, + pp_atomctrl_internal_ss_info *ssInfo) +{ + return asic_internal_ss_get_ss_asignment(hwmgr, + ASIC_INTERNAL_MEMORY_SS, memory_clock, ssInfo); +} +/** + * Get the engine clock spread spectrum info + */ +int atomctrl_get_engine_clock_spread_spectrum( + struct pp_hwmgr *hwmgr, + const uint32_t engine_clock, + pp_atomctrl_internal_ss_info *ssInfo) +{ + return asic_internal_ss_get_ss_asignment(hwmgr, + ASIC_INTERNAL_ENGINE_SS, engine_clock, ssInfo); +} + +int atomctrl_read_efuse(void *device, uint16_t start_index, + uint16_t end_index, uint32_t mask, uint32_t *efuse) +{ + int result; + READ_EFUSE_VALUE_PARAMETER efuse_param; + + efuse_param.sEfuse.usEfuseIndex = (start_index / 32) * 4; + efuse_param.sEfuse.ucBitShift = (uint8_t) + (start_index - ((start_index / 32) * 32)); + efuse_param.sEfuse.ucBitLength = (uint8_t) + ((end_index - start_index) + 1); + + result = cgs_atom_exec_cmd_table(device, + GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), + &efuse_param); + if (!result) + *efuse = efuse_param.ulEfuseValue & mask; + + return result; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h new file mode 100644 index 000000000000..627420b80a5f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h @@ -0,0 +1,246 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef PP_ATOMVOLTAGECTRL_H +#define PP_ATOMVOLTAGECTRL_H + +#include "hwmgr.h" + +#define MEM_TYPE_GDDR5 0x50 +#define MEM_TYPE_GDDR4 0x40 +#define MEM_TYPE_GDDR3 0x30 +#define MEM_TYPE_DDR2 0x20 +#define MEM_TYPE_GDDR1 0x10 +#define MEM_TYPE_DDR3 0xb0 +#define MEM_TYPE_MASK 0xF0 + + +/* As returned from PowerConnectorDetectionTable. */ +#define PP_ATOM_POWER_BUDGET_DISABLE_OVERDRIVE 0x80 +#define PP_ATOM_POWER_BUDGET_SHOW_WARNING 0x40 +#define PP_ATOM_POWER_BUDGET_SHOW_WAIVER 0x20 +#define PP_ATOM_POWER_POWER_BUDGET_BEHAVIOUR 0x0F + +/* New functions for Evergreen and beyond. */ +#define PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES 32 + +struct pp_atomctrl_clock_dividers { + uint32_t pll_post_divider; + uint32_t pll_feedback_divider; + uint32_t pll_ref_divider; + bool enable_post_divider; +}; + +typedef struct pp_atomctrl_clock_dividers pp_atomctrl_clock_dividers; + +union pp_atomctrl_tcipll_fb_divider { + struct { + uint32_t ul_fb_div_frac : 14; + uint32_t ul_fb_div : 12; + uint32_t un_used : 6; + }; + uint32_t ul_fb_divider; +}; + +typedef union pp_atomctrl_tcipll_fb_divider pp_atomctrl_tcipll_fb_divider; + +struct pp_atomctrl_clock_dividers_rv730 { + uint32_t pll_post_divider; + pp_atomctrl_tcipll_fb_divider mpll_feedback_divider; + uint32_t pll_ref_divider; + bool enable_post_divider; + bool enable_dithen; + uint32_t vco_mode; +}; +typedef struct pp_atomctrl_clock_dividers_rv730 pp_atomctrl_clock_dividers_rv730; + + +struct pp_atomctrl_clock_dividers_kong { + uint32_t pll_post_divider; + uint32_t real_clock; +}; +typedef struct pp_atomctrl_clock_dividers_kong pp_atomctrl_clock_dividers_kong; + +struct pp_atomctrl_clock_dividers_ci { + uint32_t pll_post_divider; /* post divider value */ + uint32_t real_clock; + pp_atomctrl_tcipll_fb_divider ul_fb_div; /* Output Parameter: PLL FB divider */ + uint8_t uc_pll_ref_div; /* Output Parameter: PLL ref divider */ + uint8_t uc_pll_post_div; /* Output Parameter: PLL post divider */ + uint8_t uc_pll_cntl_flag; /*Output Flags: control flag */ +}; +typedef struct pp_atomctrl_clock_dividers_ci pp_atomctrl_clock_dividers_ci; + +struct pp_atomctrl_clock_dividers_vi { + uint32_t pll_post_divider; /* post divider value */ + uint32_t real_clock; + pp_atomctrl_tcipll_fb_divider ul_fb_div; /*Output Parameter: PLL FB divider */ + uint8_t uc_pll_ref_div; /*Output Parameter: PLL ref divider */ + uint8_t uc_pll_post_div; /*Output Parameter: PLL post divider */ + uint8_t uc_pll_cntl_flag; /*Output Flags: control flag */ +}; +typedef struct pp_atomctrl_clock_dividers_vi pp_atomctrl_clock_dividers_vi; + +union pp_atomctrl_s_mpll_fb_divider { + struct { + uint32_t cl_kf : 12; + uint32_t clk_frac : 12; + uint32_t un_used : 8; + }; + uint32_t ul_fb_divider; +}; +typedef union pp_atomctrl_s_mpll_fb_divider pp_atomctrl_s_mpll_fb_divider; + +enum pp_atomctrl_spread_spectrum_mode { + pp_atomctrl_spread_spectrum_mode_down = 0, + pp_atomctrl_spread_spectrum_mode_center +}; +typedef enum pp_atomctrl_spread_spectrum_mode pp_atomctrl_spread_spectrum_mode; + +struct pp_atomctrl_memory_clock_param { + pp_atomctrl_s_mpll_fb_divider mpll_fb_divider; + uint32_t mpll_post_divider; + uint32_t bw_ctrl; + uint32_t dll_speed; + uint32_t vco_mode; + uint32_t yclk_sel; + uint32_t qdr; + uint32_t half_rate; +}; +typedef struct pp_atomctrl_memory_clock_param pp_atomctrl_memory_clock_param; + +struct pp_atomctrl_internal_ss_info { + uint32_t speed_spectrum_percentage; /* in 1/100 percentage */ + uint32_t speed_spectrum_rate; /* in KHz */ + pp_atomctrl_spread_spectrum_mode speed_spectrum_mode; +}; +typedef struct pp_atomctrl_internal_ss_info pp_atomctrl_internal_ss_info; + +#ifndef NUMBER_OF_M3ARB_PARAMS +#define NUMBER_OF_M3ARB_PARAMS 3 +#endif + +#ifndef NUMBER_OF_M3ARB_PARAM_SETS +#define NUMBER_OF_M3ARB_PARAM_SETS 10 +#endif + +struct pp_atomctrl_kong_system_info { + uint32_t ul_bootup_uma_clock; /* in 10kHz unit */ + uint16_t us_max_nb_voltage; /* high NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse; */ + uint16_t us_min_nb_voltage; /* low NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse; */ + uint16_t us_bootup_nb_voltage; /* boot up NB voltage */ + uint8_t uc_htc_tmp_lmt; /* bit [22:16] of D24F3x64 Hardware Thermal Control (HTC) Register, may not be needed, TBD */ + uint8_t uc_tj_offset; /* bit [28:22] of D24F3xE4 Thermtrip Status Register,may not be needed, TBD */ + /* 0: default 1: uvd 2: fs-3d */ + uint32_t ul_csr_m3_srb_cntl[NUMBER_OF_M3ARB_PARAM_SETS][NUMBER_OF_M3ARB_PARAMS];/* arrays with values for CSR M3 arbiter for default */ +}; +typedef struct pp_atomctrl_kong_system_info pp_atomctrl_kong_system_info; + +struct pp_atomctrl_memory_info { + uint8_t memory_vendor; + uint8_t memory_type; +}; +typedef struct pp_atomctrl_memory_info pp_atomctrl_memory_info; + +#define MAX_AC_TIMING_ENTRIES 16 + +struct pp_atomctrl_memory_clock_range_table { + uint8_t num_entries; + uint8_t rsv[3]; + + uint32_t mclk[MAX_AC_TIMING_ENTRIES]; +}; +typedef struct pp_atomctrl_memory_clock_range_table pp_atomctrl_memory_clock_range_table; + +struct pp_atomctrl_voltage_table_entry { + uint16_t value; + uint32_t smio_low; +}; + +typedef struct pp_atomctrl_voltage_table_entry pp_atomctrl_voltage_table_entry; + +struct pp_atomctrl_voltage_table { + uint32_t count; + uint32_t mask_low; + uint32_t phase_delay; /* Used for ATOM_GPIO_VOLTAGE_OBJECT_V3 and later */ + pp_atomctrl_voltage_table_entry entries[PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES]; +}; + +typedef struct pp_atomctrl_voltage_table pp_atomctrl_voltage_table; + +#define VBIOS_MC_REGISTER_ARRAY_SIZE 32 +#define VBIOS_MAX_AC_TIMING_ENTRIES 20 + +struct pp_atomctrl_mc_reg_entry { + uint32_t mclk_max; + uint32_t mc_data[VBIOS_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct pp_atomctrl_mc_reg_entry pp_atomctrl_mc_reg_entry; + +struct pp_atomctrl_mc_register_address { + uint16_t s1; + uint8_t uc_pre_reg_data; +}; + +typedef struct pp_atomctrl_mc_register_address pp_atomctrl_mc_register_address; + +struct pp_atomctrl_mc_reg_table { + uint8_t last; /* number of registers */ + uint8_t num_entries; /* number of AC timing entries */ + pp_atomctrl_mc_reg_entry mc_reg_table_entry[VBIOS_MAX_AC_TIMING_ENTRIES]; + pp_atomctrl_mc_register_address mc_reg_address[VBIOS_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct pp_atomctrl_mc_reg_table pp_atomctrl_mc_reg_table; + +struct pp_atomctrl_gpio_pin_assignment { + uint16_t us_gpio_pin_aindex; + uint8_t uc_gpio_pin_bit_shift; +}; +typedef struct pp_atomctrl_gpio_pin_assignment pp_atomctrl_gpio_pin_assignment; + +extern bool atomctrl_get_pp_assign_pin(struct pp_hwmgr *hwmgr, const uint32_t pinId, pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment); +extern int atomctrl_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage); +extern uint32_t atomctrl_get_mpll_reference_clock(struct pp_hwmgr *hwmgr); +extern int atomctrl_get_memory_clock_spread_spectrum(struct pp_hwmgr *hwmgr, const uint32_t memory_clock, pp_atomctrl_internal_ss_info *ssInfo); +extern int atomctrl_get_engine_clock_spread_spectrum(struct pp_hwmgr *hwmgr, const uint32_t engine_clock, pp_atomctrl_internal_ss_info *ssInfo); +extern int atomctrl_initialize_mc_reg_table(struct pp_hwmgr *hwmgr, uint8_t module_index, pp_atomctrl_mc_reg_table *table); +extern int atomctrl_set_engine_dram_timings_rv770(struct pp_hwmgr *hwmgr, uint32_t engine_clock, uint32_t memory_clock); +extern uint32_t atomctrl_get_reference_clock(struct pp_hwmgr *hwmgr); +extern int atomctrl_get_memory_pll_dividers_si(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_memory_clock_param *mpll_param, bool strobe_mode); +extern int atomctrl_get_engine_pll_dividers_vi(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_clock_dividers_vi *dividers); +extern int atomctrl_get_dfs_pll_dividers_vi(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_clock_dividers_vi *dividers); +extern bool atomctrl_is_voltage_controled_by_gpio_v3(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint8_t voltage_mode); +extern int atomctrl_get_voltage_table_v3(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint8_t voltage_mode, pp_atomctrl_voltage_table *voltage_table); +extern int atomctrl_get_memory_pll_dividers_vi(struct pp_hwmgr *hwmgr, + uint32_t clock_value, pp_atomctrl_memory_clock_param *mpll_param); +extern int atomctrl_get_engine_pll_dividers_kong(struct pp_hwmgr *hwmgr, + uint32_t clock_value, + pp_atomctrl_clock_dividers_kong *dividers); +extern int atomctrl_read_efuse(void *device, uint16_t start_index, + uint16_t end_index, uint32_t mask, uint32_t *efuse); +extern int atomctrl_calculate_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type, + uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage, uint16_t dpm_level, bool debug); + + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h new file mode 100644 index 000000000000..b7429a527828 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h @@ -0,0 +1,612 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <asm/div64.h> + +#define SHIFT_AMOUNT 16 /* We multiply all original integers with 2^SHIFT_AMOUNT to get the fInt representation */ + +#define PRECISION 5 /* Change this value to change the number of decimal places in the final output - 5 is a good default */ + +#define SHIFTED_2 (2 << SHIFT_AMOUNT) +#define MAX (1 << (SHIFT_AMOUNT - 1)) - 1 /* 32767 - Might change in the future */ + +/* ------------------------------------------------------------------------------- + * NEW TYPE - fINT + * ------------------------------------------------------------------------------- + * A variable of type fInt can be accessed in 3 ways using the dot (.) operator + * fInt A; + * A.full => The full number as it is. Generally not easy to read + * A.partial.real => Only the integer portion + * A.partial.decimal => Only the fractional portion + */ +typedef union _fInt { + int full; + struct _partial { + unsigned int decimal: SHIFT_AMOUNT; /*Needs to always be unsigned*/ + int real: 32 - SHIFT_AMOUNT; + } partial; +} fInt; + +/* ------------------------------------------------------------------------------- + * Function Declarations + * ------------------------------------------------------------------------------- + */ +fInt ConvertToFraction(int); /* Use this to convert an INT to a FINT */ +fInt Convert_ULONG_ToFraction(uint32_t); /* Use this to convert an uint32_t to a FINT */ +fInt GetScaledFraction(int, int); /* Use this to convert an INT to a FINT after scaling it by a factor */ +int ConvertBackToInteger(fInt); /* Convert a FINT back to an INT that is scaled by 1000 (i.e. last 3 digits are the decimal digits) */ + +fInt fNegate(fInt); /* Returns -1 * input fInt value */ +fInt fAdd (fInt, fInt); /* Returns the sum of two fInt numbers */ +fInt fSubtract (fInt A, fInt B); /* Returns A-B - Sometimes easier than Adding negative numbers */ +fInt fMultiply (fInt, fInt); /* Returns the product of two fInt numbers */ +fInt fDivide (fInt A, fInt B); /* Returns A/B */ +fInt fGetSquare(fInt); /* Returns the square of a fInt number */ +fInt fSqrt(fInt); /* Returns the Square Root of a fInt number */ + +int uAbs(int); /* Returns the Absolute value of the Int */ +fInt fAbs(fInt); /* Returns the Absolute value of the fInt */ +int uPow(int base, int exponent); /* Returns base^exponent an INT */ + +void SolveQuadracticEqn(fInt, fInt, fInt, fInt[]); /* Returns the 2 roots via the array */ +bool Equal(fInt, fInt); /* Returns true if two fInts are equal to each other */ +bool GreaterThan(fInt A, fInt B); /* Returns true if A > B */ + +fInt fExponential(fInt exponent); /* Can be used to calculate e^exponent */ +fInt fNaturalLog(fInt value); /* Can be used to calculate ln(value) */ + +/* Fuse decoding functions + * ------------------------------------------------------------------------------------- + */ +fInt fDecodeLinearFuse(uint32_t fuse_value, fInt f_min, fInt f_range, uint32_t bitlength); +fInt fDecodeLogisticFuse(uint32_t fuse_value, fInt f_average, fInt f_range, uint32_t bitlength); +fInt fDecodeLeakageID (uint32_t leakageID_fuse, fInt ln_max_div_min, fInt f_min, uint32_t bitlength); + +/* Internal Support Functions - Use these ONLY for testing or adding to internal functions + * ------------------------------------------------------------------------------------- + * Some of the following functions take two INTs as their input - This is unsafe for a variety of reasons. + */ +fInt Add (int, int); /* Add two INTs and return Sum as FINT */ +fInt Multiply (int, int); /* Multiply two INTs and return Product as FINT */ +fInt Divide (int, int); /* You get the idea... */ +fInt fNegate(fInt); + +int uGetScaledDecimal (fInt); /* Internal function */ +int GetReal (fInt A); /* Internal function */ + +/* Future Additions and Incomplete Functions + * ------------------------------------------------------------------------------------- + */ +int GetRoundedValue(fInt); /* Incomplete function - Useful only when Precision is lacking */ + /* Let us say we have 2.126 but can only handle 2 decimal points. We could */ + /* either chop of 6 and keep 2.12 or use this function to get 2.13, which is more accurate */ + +/* ------------------------------------------------------------------------------------- + * TROUBLESHOOTING INFORMATION + * ------------------------------------------------------------------------------------- + * 1) ConvertToFraction - InputOutOfRangeException: Only accepts numbers smaller than MAX (default: 32767) + * 2) fAdd - OutputOutOfRangeException: Output bigger than MAX (default: 32767) + * 3) fMultiply - OutputOutOfRangeException: + * 4) fGetSquare - OutputOutOfRangeException: + * 5) fDivide - DivideByZeroException + * 6) fSqrt - NegativeSquareRootException: Input cannot be a negative number + */ + +/* ------------------------------------------------------------------------------------- + * START OF CODE + * ------------------------------------------------------------------------------------- + */ +fInt fExponential(fInt exponent) /*Can be used to calculate e^exponent*/ +{ + uint32_t i; + bool bNegated = false; + + fInt fPositiveOne = ConvertToFraction(1); + fInt fZERO = ConvertToFraction(0); + + fInt lower_bound = Divide(78, 10000); + fInt solution = fPositiveOne; /*Starting off with baseline of 1 */ + fInt error_term; + + uint32_t k_array[11] = {55452, 27726, 13863, 6931, 4055, 2231, 1178, 606, 308, 155, 78}; + uint32_t expk_array[11] = {2560000, 160000, 40000, 20000, 15000, 12500, 11250, 10625, 10313, 10156, 10078}; + + if (GreaterThan(fZERO, exponent)) { + exponent = fNegate(exponent); + bNegated = true; + } + + while (GreaterThan(exponent, lower_bound)) { + for (i = 0; i < 11; i++) { + if (GreaterThan(exponent, GetScaledFraction(k_array[i], 10000))) { + exponent = fSubtract(exponent, GetScaledFraction(k_array[i], 10000)); + solution = fMultiply(solution, GetScaledFraction(expk_array[i], 10000)); + } + } + } + + error_term = fAdd(fPositiveOne, exponent); + + solution = fMultiply(solution, error_term); + + if (bNegated) + solution = fDivide(fPositiveOne, solution); + + return solution; +} + +fInt fNaturalLog(fInt value) +{ + uint32_t i; + fInt upper_bound = Divide(8, 1000); + fInt fNegativeOne = ConvertToFraction(-1); + fInt solution = ConvertToFraction(0); /*Starting off with baseline of 0 */ + fInt error_term; + + uint32_t k_array[10] = {160000, 40000, 20000, 15000, 12500, 11250, 10625, 10313, 10156, 10078}; + uint32_t logk_array[10] = {27726, 13863, 6931, 4055, 2231, 1178, 606, 308, 155, 78}; + + while (GreaterThan(fAdd(value, fNegativeOne), upper_bound)) { + for (i = 0; i < 10; i++) { + if (GreaterThan(value, GetScaledFraction(k_array[i], 10000))) { + value = fDivide(value, GetScaledFraction(k_array[i], 10000)); + solution = fAdd(solution, GetScaledFraction(logk_array[i], 10000)); + } + } + } + + error_term = fAdd(fNegativeOne, value); + + return (fAdd(solution, error_term)); +} + +fInt fDecodeLinearFuse(uint32_t fuse_value, fInt f_min, fInt f_range, uint32_t bitlength) +{ + fInt f_fuse_value = Convert_ULONG_ToFraction(fuse_value); + fInt f_bit_max_value = Convert_ULONG_ToFraction((uPow(2, bitlength)) - 1); + + fInt f_decoded_value; + + f_decoded_value = fDivide(f_fuse_value, f_bit_max_value); + f_decoded_value = fMultiply(f_decoded_value, f_range); + f_decoded_value = fAdd(f_decoded_value, f_min); + + return f_decoded_value; +} + + +fInt fDecodeLogisticFuse(uint32_t fuse_value, fInt f_average, fInt f_range, uint32_t bitlength) +{ + fInt f_fuse_value = Convert_ULONG_ToFraction(fuse_value); + fInt f_bit_max_value = Convert_ULONG_ToFraction((uPow(2, bitlength)) - 1); + + fInt f_CONSTANT_NEG13 = ConvertToFraction(-13); + fInt f_CONSTANT1 = ConvertToFraction(1); + + fInt f_decoded_value; + + f_decoded_value = fSubtract(fDivide(f_bit_max_value, f_fuse_value), f_CONSTANT1); + f_decoded_value = fNaturalLog(f_decoded_value); + f_decoded_value = fMultiply(f_decoded_value, fDivide(f_range, f_CONSTANT_NEG13)); + f_decoded_value = fAdd(f_decoded_value, f_average); + + return f_decoded_value; +} + +fInt fDecodeLeakageID (uint32_t leakageID_fuse, fInt ln_max_div_min, fInt f_min, uint32_t bitlength) +{ + fInt fLeakage; + fInt f_bit_max_value = Convert_ULONG_ToFraction((uPow(2, bitlength)) - 1); + + fLeakage = fMultiply(ln_max_div_min, Convert_ULONG_ToFraction(leakageID_fuse)); + fLeakage = fDivide(fLeakage, f_bit_max_value); + fLeakage = fExponential(fLeakage); + fLeakage = fMultiply(fLeakage, f_min); + + return fLeakage; +} + +fInt ConvertToFraction(int X) /*Add all range checking here. Is it possible to make fInt a private declaration? */ +{ + fInt temp; + + if (X <= MAX) + temp.full = (X << SHIFT_AMOUNT); + else + temp.full = 0; + + return temp; +} + +fInt fNegate(fInt X) +{ + fInt CONSTANT_NEGONE = ConvertToFraction(-1); + return (fMultiply(X, CONSTANT_NEGONE)); +} + +fInt Convert_ULONG_ToFraction(uint32_t X) +{ + fInt temp; + + if (X <= MAX) + temp.full = (X << SHIFT_AMOUNT); + else + temp.full = 0; + + return temp; +} + +fInt GetScaledFraction(int X, int factor) +{ + int times_shifted, factor_shifted; + bool bNEGATED; + fInt fValue; + + times_shifted = 0; + factor_shifted = 0; + bNEGATED = false; + + if (X < 0) { + X = -1*X; + bNEGATED = true; + } + + if (factor < 0) { + factor = -1*factor; + bNEGATED = !bNEGATED; /*If bNEGATED = true due to X < 0, this will cover the case of negative cancelling negative */ + } + + if ((X > MAX) || factor > MAX) { + if ((X/factor) <= MAX) { + while (X > MAX) { + X = X >> 1; + times_shifted++; + } + + while (factor > MAX) { + factor = factor >> 1; + factor_shifted++; + } + } else { + fValue.full = 0; + return fValue; + } + } + + if (factor == 1) + return (ConvertToFraction(X)); + + fValue = fDivide(ConvertToFraction(X * uPow(-1, bNEGATED)), ConvertToFraction(factor)); + + fValue.full = fValue.full << times_shifted; + fValue.full = fValue.full >> factor_shifted; + + return fValue; +} + +/* Addition using two fInts */ +fInt fAdd (fInt X, fInt Y) +{ + fInt Sum; + + Sum.full = X.full + Y.full; + + return Sum; +} + +/* Addition using two fInts */ +fInt fSubtract (fInt X, fInt Y) +{ + fInt Difference; + + Difference.full = X.full - Y.full; + + return Difference; +} + +bool Equal(fInt A, fInt B) +{ + if (A.full == B.full) + return true; + else + return false; +} + +bool GreaterThan(fInt A, fInt B) +{ + if (A.full > B.full) + return true; + else + return false; +} + +fInt fMultiply (fInt X, fInt Y) /* Uses 64-bit integers (int64_t) */ +{ + fInt Product; + int64_t tempProduct; + bool X_LessThanOne, Y_LessThanOne; + + X_LessThanOne = (X.partial.real == 0 && X.partial.decimal != 0 && X.full >= 0); + Y_LessThanOne = (Y.partial.real == 0 && Y.partial.decimal != 0 && Y.full >= 0); + + /*The following is for a very specific common case: Non-zero number with ONLY fractional portion*/ + /* TEMPORARILY DISABLED - CAN BE USED TO IMPROVE PRECISION + + if (X_LessThanOne && Y_LessThanOne) { + Product.full = X.full * Y.full; + return Product + }*/ + + tempProduct = ((int64_t)X.full) * ((int64_t)Y.full); /*Q(16,16)*Q(16,16) = Q(32, 32) - Might become a negative number! */ + tempProduct = tempProduct >> 16; /*Remove lagging 16 bits - Will lose some precision from decimal; */ + Product.full = (int)tempProduct; /*The int64_t will lose the leading 16 bits that were part of the integer portion */ + + return Product; +} + +fInt fDivide (fInt X, fInt Y) +{ + fInt fZERO, fQuotient; + int64_t longlongX, longlongY; + + fZERO = ConvertToFraction(0); + + if (Equal(Y, fZERO)) + return fZERO; + + longlongX = (int64_t)X.full; + longlongY = (int64_t)Y.full; + + longlongX = longlongX << 16; /*Q(16,16) -> Q(32,32) */ + + div64_s64(longlongX, longlongY); /*Q(32,32) divided by Q(16,16) = Q(16,16) Back to original format */ + + fQuotient.full = (int)longlongX; + return fQuotient; +} + +int ConvertBackToInteger (fInt A) /*THIS is the function that will be used to check with the Golden settings table*/ +{ + fInt fullNumber, scaledDecimal, scaledReal; + + scaledReal.full = GetReal(A) * uPow(10, PRECISION-1); /* DOUBLE CHECK THISSSS!!! */ + + scaledDecimal.full = uGetScaledDecimal(A); + + fullNumber = fAdd(scaledDecimal,scaledReal); + + return fullNumber.full; +} + +fInt fGetSquare(fInt A) +{ + return fMultiply(A,A); +} + +/* x_new = x_old - (x_old^2 - C) / (2 * x_old) */ +fInt fSqrt(fInt num) +{ + fInt F_divide_Fprime, Fprime; + fInt test; + fInt twoShifted; + int seed, counter, error; + fInt x_new, x_old, C, y; + + fInt fZERO = ConvertToFraction(0); + + /* (0 > num) is the same as (num < 0), i.e., num is negative */ + + if (GreaterThan(fZERO, num) || Equal(fZERO, num)) + return fZERO; + + C = num; + + if (num.partial.real > 3000) + seed = 60; + else if (num.partial.real > 1000) + seed = 30; + else if (num.partial.real > 100) + seed = 10; + else + seed = 2; + + counter = 0; + + if (Equal(num, fZERO)) /*Square Root of Zero is zero */ + return fZERO; + + twoShifted = ConvertToFraction(2); + x_new = ConvertToFraction(seed); + + do { + counter++; + + x_old.full = x_new.full; + + test = fGetSquare(x_old); /*1.75*1.75 is reverting back to 1 when shifted down */ + y = fSubtract(test, C); /*y = f(x) = x^2 - C; */ + + Fprime = fMultiply(twoShifted, x_old); + F_divide_Fprime = fDivide(y, Fprime); + + x_new = fSubtract(x_old, F_divide_Fprime); + + error = ConvertBackToInteger(x_new) - ConvertBackToInteger(x_old); + + if (counter > 20) /*20 is already way too many iterations. If we dont have an answer by then, we never will*/ + return x_new; + + } while (uAbs(error) > 0); + + return (x_new); +} + +void SolveQuadracticEqn(fInt A, fInt B, fInt C, fInt Roots[]) +{ + fInt *pRoots = &Roots[0]; + fInt temp, root_first, root_second; + fInt f_CONSTANT10, f_CONSTANT100; + + f_CONSTANT100 = ConvertToFraction(100); + f_CONSTANT10 = ConvertToFraction(10); + + while(GreaterThan(A, f_CONSTANT100) || GreaterThan(B, f_CONSTANT100) || GreaterThan(C, f_CONSTANT100)) { + A = fDivide(A, f_CONSTANT10); + B = fDivide(B, f_CONSTANT10); + C = fDivide(C, f_CONSTANT10); + } + + temp = fMultiply(ConvertToFraction(4), A); /* root = 4*A */ + temp = fMultiply(temp, C); /* root = 4*A*C */ + temp = fSubtract(fGetSquare(B), temp); /* root = b^2 - 4AC */ + temp = fSqrt(temp); /*root = Sqrt (b^2 - 4AC); */ + + root_first = fSubtract(fNegate(B), temp); /* b - Sqrt(b^2 - 4AC) */ + root_second = fAdd(fNegate(B), temp); /* b + Sqrt(b^2 - 4AC) */ + + root_first = fDivide(root_first, ConvertToFraction(2)); /* [b +- Sqrt(b^2 - 4AC)]/[2] */ + root_first = fDivide(root_first, A); /*[b +- Sqrt(b^2 - 4AC)]/[2*A] */ + + root_second = fDivide(root_second, ConvertToFraction(2)); /* [b +- Sqrt(b^2 - 4AC)]/[2] */ + root_second = fDivide(root_second, A); /*[b +- Sqrt(b^2 - 4AC)]/[2*A] */ + + *(pRoots + 0) = root_first; + *(pRoots + 1) = root_second; +} + +/* ----------------------------------------------------------------------------- + * SUPPORT FUNCTIONS + * ----------------------------------------------------------------------------- + */ + +/* Addition using two normal ints - Temporary - Use only for testing purposes?. */ +fInt Add (int X, int Y) +{ + fInt A, B, Sum; + + A.full = (X << SHIFT_AMOUNT); + B.full = (Y << SHIFT_AMOUNT); + + Sum.full = A.full + B.full; + + return Sum; +} + +/* Conversion Functions */ +int GetReal (fInt A) +{ + return (A.full >> SHIFT_AMOUNT); +} + +/* Temporarily Disabled */ +int GetRoundedValue(fInt A) /*For now, round the 3rd decimal place */ +{ + /* ROUNDING TEMPORARLY DISABLED + int temp = A.full; + int decimal_cutoff, decimal_mask = 0x000001FF; + decimal_cutoff = temp & decimal_mask; + if (decimal_cutoff > 0x147) { + temp += 673; + }*/ + + return ConvertBackToInteger(A)/10000; /*Temporary - in case this was used somewhere else */ +} + +fInt Multiply (int X, int Y) +{ + fInt A, B, Product; + + A.full = X << SHIFT_AMOUNT; + B.full = Y << SHIFT_AMOUNT; + + Product = fMultiply(A, B); + + return Product; +} + +fInt Divide (int X, int Y) +{ + fInt A, B, Quotient; + + A.full = X << SHIFT_AMOUNT; + B.full = Y << SHIFT_AMOUNT; + + Quotient = fDivide(A, B); + + return Quotient; +} + +int uGetScaledDecimal (fInt A) /*Converts the fractional portion to whole integers - Costly function */ +{ + int dec[PRECISION]; + int i, scaledDecimal = 0, tmp = A.partial.decimal; + + for (i = 0; i < PRECISION; i++) { + dec[i] = tmp / (1 << SHIFT_AMOUNT); + tmp = tmp - ((1 << SHIFT_AMOUNT)*dec[i]); + tmp *= 10; + scaledDecimal = scaledDecimal + dec[i]*uPow(10, PRECISION - 1 -i); + } + + return scaledDecimal; +} + +int uPow(int base, int power) +{ + if (power == 0) + return 1; + else + return (base)*uPow(base, power - 1); +} + +fInt fAbs(fInt A) +{ + if (A.partial.real < 0) + return (fMultiply(A, ConvertToFraction(-1))); + else + return A; +} + +int uAbs(int X) +{ + if (X < 0) + return (X * -1); + else + return X; +} + +fInt fRoundUpByStepSize(fInt A, fInt fStepSize, bool error_term) +{ + fInt solution; + + solution = fDivide(A, fStepSize); + solution.partial.decimal = 0; /*All fractional digits changes to 0 */ + + if (error_term) + solution.partial.real += 1; /*Error term of 1 added */ + + solution = fMultiply(solution, fStepSize); + solution = fAdd(solution, fStepSize); + + return solution; +} + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.c new file mode 100644 index 000000000000..186496a34cbe --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.c @@ -0,0 +1,64 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/types.h> +#include "atom-types.h" +#include "atombios.h" +#include "pppcielanes.h" + +/** \file + * Functions related to PCIe lane changes. + */ + +/* For converting from number of lanes to lane bits. */ +static const unsigned char pp_r600_encode_lanes[] = { + 0, /* 0 Not Supported */ + 1, /* 1 Lane */ + 2, /* 2 Lanes */ + 0, /* 3 Not Supported */ + 3, /* 4 Lanes */ + 0, /* 5 Not Supported */ + 0, /* 6 Not Supported */ + 0, /* 7 Not Supported */ + 4, /* 8 Lanes */ + 0, /* 9 Not Supported */ + 0, /* 10 Not Supported */ + 0, /* 11 Not Supported */ + 5, /* 12 Lanes (Not actually supported) */ + 0, /* 13 Not Supported */ + 0, /* 14 Not Supported */ + 0, /* 15 Not Supported */ + 6 /* 16 Lanes */ +}; + +static const unsigned char pp_r600_decoded_lanes[8] = { 16, 1, 2, 4, 8, 12, 16, }; + +uint8_t encode_pcie_lane_width(uint32_t num_lanes) +{ + return pp_r600_encode_lanes[num_lanes]; +} + +uint8_t decode_pcie_lane_width(uint32_t num_lanes) +{ + return pp_r600_decoded_lanes[num_lanes]; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h new file mode 100644 index 000000000000..70b163b35570 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pppcielanes.h @@ -0,0 +1,31 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef PP_PCIELANES_H +#define PP_PCIELANES_H + +extern uint8_t encode_pcie_lane_width(uint32_t num_lanes); +extern uint8_t decode_pcie_lane_width(uint32_t num_lanes); + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c new file mode 100644 index 000000000000..2f1a14fe05b1 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c @@ -0,0 +1,1688 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> + +#include "processpptables.h" +#include <atom-types.h> +#include <atombios.h> +#include "pp_debug.h" +#include "pptable.h" +#include "power_state.h" +#include "hwmgr.h" +#include "hardwaremanager.h" + + +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8 24 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V9 26 + +#define NUM_BITS_CLOCK_INFO_ARRAY_INDEX 6 + +static uint16_t get_vce_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t vce_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) + vce_table_offset = le16_to_cpu(extended_header->usVCETableOffset); + } + } + + return vce_table_offset; +} + +static uint16_t get_vce_clock_info_array_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + + return 0; +} + +static uint16_t get_vce_clock_info_array_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_info_array_offset(hwmgr, + powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const VCEClockInfoArray *p = (const VCEClockInfoArray *) + (((unsigned long) powerplay_table) + table_offset); + table_size = sizeof(uint8_t) + p->ucNumEntries * sizeof(VCEClockInfo); + } + + return table_size; +} + +static uint16_t get_vce_clock_voltage_limit_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_info_array_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + get_vce_clock_info_array_size(hwmgr, + powerplay_table); + + return 0; +} + +static uint16_t get_vce_clock_voltage_limit_table_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)(((unsigned long) powerplay_table) + table_offset); + + table_size = sizeof(uint8_t) + ptable->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record); + } + return table_size; +} + +static uint16_t get_vce_state_table_offset(struct pp_hwmgr *hwmgr, const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + + if (table_offset > 0) + return table_offset + get_vce_clock_voltage_limit_table_size(hwmgr, powerplay_table); + + return 0; +} + +static const ATOM_PPLIB_VCE_State_Table *get_vce_state_table( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_state_table_offset(hwmgr, powerplay_table); + + if (table_offset > 0) + return (const ATOM_PPLIB_VCE_State_Table *)(((unsigned long) powerplay_table) + table_offset); + + return NULL; +} + +static uint16_t get_uvd_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t uvd_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) + uvd_table_offset = le16_to_cpu(extended_header->usUVDTableOffset); + } + } + return uvd_table_offset; +} + +static uint16_t get_uvd_clock_info_array_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + return 0; +} + +static uint16_t get_uvd_clock_info_array_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_clock_info_array_offset(hwmgr, + powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const UVDClockInfoArray *p = (const UVDClockInfoArray *) + (((unsigned long) powerplay_table) + + table_offset); + table_size = sizeof(UCHAR) + + p->ucNumEntries * sizeof(UVDClockInfo); + } + + return table_size; +} + +static uint16_t get_uvd_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_clock_info_array_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + + get_uvd_clock_info_array_size(hwmgr, powerplay_table); + + return 0; +} + +static uint16_t get_samu_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t samu_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) + samu_table_offset = le16_to_cpu(extended_header->usSAMUTableOffset); + } + } + + return samu_table_offset; +} + +static uint16_t get_samu_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_samu_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + + return 0; +} + +static uint16_t get_acp_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t acp_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) + acp_table_offset = le16_to_cpu(pExtendedHeader->usACPTableOffset); + } + } + + return acp_table_offset; +} + +static uint16_t get_acp_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t tableOffset = get_acp_table_offset(hwmgr, powerplay_table); + + if (tableOffset > 0) + return tableOffset + 1; + + return 0; +} + +static uint16_t get_cacp_tdp_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t cacTdpTableOffset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) + cacTdpTableOffset = le16_to_cpu(pExtendedHeader->usPowerTuneTableOffset); + } + } + + return cacTdpTableOffset; +} + +static int get_cac_tdp_table(struct pp_hwmgr *hwmgr, + struct phm_cac_tdp_table **ptable, + const ATOM_PowerTune_Table *table, + uint16_t us_maximum_power_delivery_limit) +{ + unsigned long table_size; + struct phm_cac_tdp_table *tdp_table; + + table_size = sizeof(unsigned long) + sizeof(struct phm_cac_tdp_table); + + tdp_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == tdp_table) + return -ENOMEM; + + tdp_table->usTDP = le16_to_cpu(table->usTDP); + tdp_table->usConfigurableTDP = le16_to_cpu(table->usConfigurableTDP); + tdp_table->usTDC = le16_to_cpu(table->usTDC); + tdp_table->usBatteryPowerLimit = le16_to_cpu(table->usBatteryPowerLimit); + tdp_table->usSmallPowerLimit = le16_to_cpu(table->usSmallPowerLimit); + tdp_table->usLowCACLeakage = le16_to_cpu(table->usLowCACLeakage); + tdp_table->usHighCACLeakage = le16_to_cpu(table->usHighCACLeakage); + tdp_table->usMaximumPowerDeliveryLimit = us_maximum_power_delivery_limit; + + *ptable = tdp_table; + + return 0; +} + +static uint16_t get_sclk_vdd_gfx_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t sclk_vdd_gfx_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8) + sclk_vdd_gfx_table_offset = + le16_to_cpu(pExtendedHeader->usSclkVddgfxTableOffset); + } + } + + return sclk_vdd_gfx_table_offset; +} + +static uint16_t get_sclk_vdd_gfx_clock_voltage_dependency_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t tableOffset = get_sclk_vdd_gfx_table_offset(hwmgr, powerplay_table); + + if (tableOffset > 0) + return tableOffset; + + return 0; +} + + +static int get_clock_voltage_dependency_table(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_Clock_Voltage_Dependency_Table *table) +{ + + unsigned long table_size, i; + struct phm_clock_voltage_dependency_table *dep_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_clock_voltage_dependency_table) + * table->ucNumEntries; + + dep_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == dep_table) + return -ENOMEM; + + dep_table->count = (unsigned long)table->ucNumEntries; + + for (i = 0; i < dep_table->count; i++) { + dep_table->entries[i].clk = + ((unsigned long)table->entries[i].ucClockHigh << 16) | + le16_to_cpu(table->entries[i].usClockLow); + dep_table->entries[i].v = + (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + } + + *ptable = dep_table; + + return 0; +} + +static int get_valid_clk(struct pp_hwmgr *hwmgr, + struct phm_clock_array **ptable, + const struct phm_clock_voltage_dependency_table *table) +{ + unsigned long table_size, i; + struct phm_clock_array *clock_table; + + table_size = sizeof(unsigned long) + sizeof(unsigned long) * table->count; + clock_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == clock_table) + return -ENOMEM; + + clock_table->count = (unsigned long)table->count; + + for (i = 0; i < clock_table->count; i++) + clock_table->values[i] = (unsigned long)table->entries[i].clk; + + *ptable = clock_table; + + return 0; +} + +static int get_clock_voltage_limit(struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *limits, + const ATOM_PPLIB_Clock_Voltage_Limit_Table *table) +{ + limits->sclk = ((unsigned long)table->entries[0].ucSclkHigh << 16) | + le16_to_cpu(table->entries[0].usSclkLow); + limits->mclk = ((unsigned long)table->entries[0].ucMclkHigh << 16) | + le16_to_cpu(table->entries[0].usMclkLow); + limits->vddc = (unsigned long)le16_to_cpu(table->entries[0].usVddc); + limits->vddci = (unsigned long)le16_to_cpu(table->entries[0].usVddci); + + return 0; +} + + +static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable, + enum phm_platform_caps cap) +{ + if (enable) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap); + else + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap); +} + +static int set_platform_caps(struct pp_hwmgr *hwmgr, + unsigned long powerplay_caps) +{ + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_POWERPLAY), + PHM_PlatformCaps_PowerPlaySupport + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_SBIOSPOWERSOURCE), + PHM_PlatformCaps_BiosPowerSourceControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s), + PHM_PlatformCaps_EnableASPML0s + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1), + PHM_PlatformCaps_EnableASPML1 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS), + PHM_PlatformCaps_EnableBackbias + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC), + PHM_PlatformCaps_AutomaticDCTransition + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY), + PHM_PlatformCaps_GeminiPrimary + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC), + PHM_PlatformCaps_StepVddc + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VOLTAGECONTROL), + PHM_PlatformCaps_EnableVoltageControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL), + PHM_PlatformCaps_EnableSideportControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1), + PHM_PlatformCaps_TurnOffPll_ASPML1 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_HTLINKCONTROL), + PHM_PlatformCaps_EnableHTLinkControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_MVDDCONTROL), + PHM_PlatformCaps_EnableMVDDControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL), + PHM_PlatformCaps_ControlVDDCI + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT), + PHM_PlatformCaps_RegulatorHot + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_GOTO_BOOT_ON_ALERT), + PHM_PlatformCaps_BootStateOnAlert + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_DONT_WAIT_FOR_VBLANK_ON_ALERT), + PHM_PlatformCaps_DontWaitForVBlankOnAlert + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_BACO), + PHM_PlatformCaps_BACO + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_NEW_CAC_VOLTAGE), + PHM_PlatformCaps_NewCACVoltage + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_REVERT_GPIO5_POLARITY), + PHM_PlatformCaps_RevertGPIO5Polarity + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_OUTPUT_THERMAL2GPIO17), + PHM_PlatformCaps_Thermal2GPIO17 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VRHOT_GPIO_CONFIGURABLE), + PHM_PlatformCaps_VRHotGPIOConfigurable + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_TEMP_INVERSION), + PHM_PlatformCaps_TempInversion + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_EVV), + PHM_PlatformCaps_EVV + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL), + PHM_PlatformCaps_CombinePCCWithThermalSignal + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE), + PHM_PlatformCaps_LoadPostProductionFirmware + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_DISABLE_USING_ACTUAL_TEMPERATURE_FOR_POWER_CALC), + PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc + ); + + return 0; +} + +static PP_StateClassificationFlags make_classification_flags( + struct pp_hwmgr *hwmgr, + USHORT classification, + USHORT classification2) +{ + PP_StateClassificationFlags result = 0; + + if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT) + result |= PP_StateClassificationFlag_Boot; + + if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL) + result |= PP_StateClassificationFlag_Thermal; + + if (classification & + ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE) + result |= PP_StateClassificationFlag_LimitedPowerSource; + + if (classification & ATOM_PPLIB_CLASSIFICATION_REST) + result |= PP_StateClassificationFlag_Rest; + + if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED) + result |= PP_StateClassificationFlag_Forced; + + if (classification & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) + result |= PP_StateClassificationFlag_3DPerformance; + + + if (classification & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE) + result |= PP_StateClassificationFlag_ACOverdriveTemplate; + + if (classification & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) + result |= PP_StateClassificationFlag_Uvd; + + if (classification & ATOM_PPLIB_CLASSIFICATION_HDSTATE) + result |= PP_StateClassificationFlag_UvdHD; + + if (classification & ATOM_PPLIB_CLASSIFICATION_SDSTATE) + result |= PP_StateClassificationFlag_UvdSD; + + if (classification & ATOM_PPLIB_CLASSIFICATION_HD2STATE) + result |= PP_StateClassificationFlag_HD2; + + if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI) + result |= PP_StateClassificationFlag_ACPI; + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2) + result |= PP_StateClassificationFlag_LimitedPowerSource_2; + + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_ULV) + result |= PP_StateClassificationFlag_ULV; + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_MVC) + result |= PP_StateClassificationFlag_UvdMVC; + + return result; +} + +static int init_non_clock_fields(struct pp_hwmgr *hwmgr, + struct pp_power_state *ps, + uint8_t version, + const ATOM_PPLIB_NONCLOCK_INFO *pnon_clock_info) { + unsigned long rrr_index; + unsigned long tmp; + + ps->classification.ui_label = (le16_to_cpu(pnon_clock_info->usClassification) & + ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; + ps->classification.flags = make_classification_flags(hwmgr, + le16_to_cpu(pnon_clock_info->usClassification), + le16_to_cpu(pnon_clock_info->usClassification2)); + + ps->classification.temporary_state = false; + ps->classification.to_be_deleted = false; + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SINGLE_DISPLAY_ONLY; + + ps->validation.singleDisplayOnly = (0 != tmp); + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_DISALLOW_ON_DC; + + ps->validation.disallowOnDC = (0 != tmp); + + ps->pcie.lanes = ((le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> + ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; + + ps->pcie.lanes = 0; + + ps->display.disableFrameModulation = false; + + rrr_index = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK) >> + ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT; + + if (rrr_index != ATOM_PPLIB_LIMITED_REFRESHRATE_UNLIMITED) { + static const uint8_t look_up[(ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK >> ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT) + 1] = \ + { 0, 50, 0 }; + + ps->display.refreshrateSource = PP_RefreshrateSource_Explicit; + ps->display.explicitRefreshrate = look_up[rrr_index]; + ps->display.limitRefreshrate = true; + + if (ps->display.explicitRefreshrate == 0) + ps->display.limitRefreshrate = false; + } else + ps->display.limitRefreshrate = false; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_ENABLE_VARIBRIGHT; + + ps->display.enableVariBright = (0 != tmp); + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SWSTATE_MEMORY_DLL_OFF; + + ps->memory.dllOff = (0 != tmp); + + ps->memory.m3arb = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT; + + ps->temperatures.min = PP_TEMPERATURE_UNITS_PER_CENTIGRADES * + pnon_clock_info->ucMinTemperature; + + ps->temperatures.max = PP_TEMPERATURE_UNITS_PER_CENTIGRADES * + pnon_clock_info->ucMaxTemperature; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SOFTWARE_DISABLE_LOADBALANCING; + + ps->software.disableLoadBalancing = tmp; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SOFTWARE_ENABLE_SLEEP_FOR_TIMESTAMPS; + + ps->software.enableSleepForTimestamps = (0 != tmp); + + ps->validation.supportedPowerLevels = pnon_clock_info->ucRequiredPower; + + if (ATOM_PPLIB_NONCLOCKINFO_VER1 < version) { + ps->uvd_clocks.VCLK = pnon_clock_info->ulVCLK; + ps->uvd_clocks.DCLK = pnon_clock_info->ulDCLK; + } else { + ps->uvd_clocks.VCLK = 0; + ps->uvd_clocks.DCLK = 0; + } + + return 0; +} + +static ULONG size_of_entry_v2(ULONG num_dpm_levels) +{ + return (sizeof(UCHAR) + sizeof(UCHAR) + + (num_dpm_levels * sizeof(UCHAR))); +} + +static const ATOM_PPLIB_STATE_V2 *get_state_entry_v2( + const StateArray * pstate_arrays, + ULONG entry_index) +{ + ULONG i; + const ATOM_PPLIB_STATE_V2 *pstate; + + pstate = pstate_arrays->states; + if (entry_index <= pstate_arrays->ucNumEntries) { + for (i = 0; i < entry_index; i++) + pstate = (ATOM_PPLIB_STATE_V2 *)( + (unsigned long)pstate + + size_of_entry_v2(pstate->ucNumDPMLevels)); + } + return pstate; +} + + +static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table( + struct pp_hwmgr *hwmgr) +{ + const void *table_addr = NULL; + uint8_t frev, crev; + uint16_t size; + + table_addr = cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, PowerPlayInfo), + &size, &frev, &crev); + + hwmgr->soft_pp_table = table_addr; + + return (const ATOM_PPLIB_POWERPLAYTABLE *)table_addr; +} + + +int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr, + unsigned long *num_of_entries) +{ + const StateArray *pstate_arrays; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + + if (powerplay_table == NULL) + return -1; + + if (powerplay_table->sHeader.ucTableFormatRevision >= 6) { + pstate_arrays = (StateArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usStateArrayOffset)); + + *num_of_entries = (unsigned long)(pstate_arrays->ucNumEntries); + } else + *num_of_entries = (unsigned long)(powerplay_table->ucNumStates); + + return 0; +} + +int pp_tables_get_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, + struct pp_power_state *ps, + pp_tables_hw_clock_info_callback func) +{ + int i; + const StateArray *pstate_arrays; + const ATOM_PPLIB_STATE_V2 *pstate_entry_v2; + const ATOM_PPLIB_NONCLOCK_INFO *pnon_clock_info; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + int result = 0; + int res = 0; + + const ClockInfoArray *pclock_arrays; + + const NonClockInfoArray *pnon_clock_arrays; + + const ATOM_PPLIB_STATE *pstate_entry; + + if (powerplay_table == NULL) + return -1; + + ps->classification.bios_index = entry_index; + + if (powerplay_table->sHeader.ucTableFormatRevision >= 6) { + pstate_arrays = (StateArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usStateArrayOffset)); + + if (entry_index > pstate_arrays->ucNumEntries) + return -1; + + pstate_entry_v2 = get_state_entry_v2(pstate_arrays, entry_index); + pclock_arrays = (ClockInfoArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usClockInfoArrayOffset)); + + pnon_clock_arrays = (NonClockInfoArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usNonClockInfoArrayOffset)); + + pnon_clock_info = (ATOM_PPLIB_NONCLOCK_INFO *)((unsigned long)(pnon_clock_arrays->nonClockInfo) + + (pstate_entry_v2->nonClockInfoIndex * pnon_clock_arrays->ucEntrySize)); + + result = init_non_clock_fields(hwmgr, ps, pnon_clock_arrays->ucEntrySize, pnon_clock_info); + + for (i = 0; i < pstate_entry_v2->ucNumDPMLevels; i++) { + const void *pclock_info = (const void *)( + (unsigned long)(pclock_arrays->clockInfo) + + (pstate_entry_v2->clockInfoIndex[i] * pclock_arrays->ucEntrySize)); + res = func(hwmgr, &ps->hardware, i, pclock_info); + if ((0 == result) && (0 != res)) + result = res; + } + } else { + if (entry_index > powerplay_table->ucNumStates) + return -1; + + pstate_entry = (ATOM_PPLIB_STATE *)((unsigned long)powerplay_table + powerplay_table->usStateArrayOffset + + entry_index * powerplay_table->ucStateEntrySize); + + pnon_clock_info = (ATOM_PPLIB_NONCLOCK_INFO *)((unsigned long)powerplay_table + + le16_to_cpu(powerplay_table->usNonClockInfoArrayOffset) + + pstate_entry->ucNonClockStateIndex * + powerplay_table->ucNonClockSize); + + result = init_non_clock_fields(hwmgr, ps, + powerplay_table->ucNonClockSize, + pnon_clock_info); + + for (i = 0; i < powerplay_table->ucStateEntrySize-1; i++) { + const void *pclock_info = (const void *)((unsigned long)powerplay_table + + le16_to_cpu(powerplay_table->usClockInfoArrayOffset) + + pstate_entry->ucClockStateIndices[i] * + powerplay_table->ucClockInfoSize); + + int res = func(hwmgr, &ps->hardware, i, pclock_info); + + if ((0 == result) && (0 != res)) + result = res; + } + } + + if ((0 == result) && + (0 != (ps->classification.flags & PP_StateClassificationFlag_Boot))) + result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(ps->hardware)); + + return result; +} + + + +static int init_powerplay_tables( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table +) +{ + return 0; +} + + +static int init_thermal_controller( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + return 0; +} + +static int init_overdrive_limits_V1_4(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table, + const ATOM_FIRMWARE_INFO_V1_4 *fw_info) +{ + hwmgr->platform_descriptor.overdriveLimit.engineClock = + le32_to_cpu(fw_info->ulASICMaxEngineClock); + + hwmgr->platform_descriptor.overdriveLimit.memoryClock = + le32_to_cpu(fw_info->ulASICMaxMemoryClock); + + hwmgr->platform_descriptor.maxOverdriveVDDC = + le32_to_cpu(fw_info->ul3DAccelerationEngineClock) & 0x7FF; + + hwmgr->platform_descriptor.minOverdriveVDDC = + le16_to_cpu(fw_info->usBootUpVDDCVoltage); + + hwmgr->platform_descriptor.maxOverdriveVDDC = + le16_to_cpu(fw_info->usBootUpVDDCVoltage); + + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + return 0; +} + +static int init_overdrive_limits_V2_1(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table, + const ATOM_FIRMWARE_INFO_V2_1 *fw_info) +{ + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3; + const ATOM_PPLIB_EXTENDEDHEADER *header; + + if (le16_to_cpu(powerplay_table->usTableSize) < + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) + return 0; + + powerplay_table3 = (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + + if (0 == powerplay_table3->usExtendendedHeaderOffset) + return 0; + + header = (ATOM_PPLIB_EXTENDEDHEADER *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + + hwmgr->platform_descriptor.overdriveLimit.engineClock = le32_to_cpu(header->ulMaxEngineClock); + hwmgr->platform_descriptor.overdriveLimit.memoryClock = le32_to_cpu(header->ulMaxMemoryClock); + + + hwmgr->platform_descriptor.minOverdriveVDDC = 0; + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + + return 0; +} + +static int init_overdrive_limits(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + int result; + uint8_t frev, crev; + uint16_t size; + + const ATOM_COMMON_TABLE_HEADER *fw_info = NULL; + + hwmgr->platform_descriptor.overdriveLimit.engineClock = 0; + hwmgr->platform_descriptor.overdriveLimit.memoryClock = 0; + hwmgr->platform_descriptor.minOverdriveVDDC = 0; + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + + /* We assume here that fw_info is unchanged if this call fails.*/ + fw_info = cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, FirmwareInfo), + &size, &frev, &crev); + + if ((fw_info->ucTableFormatRevision == 1) + && (fw_info->usStructureSize >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) + result = init_overdrive_limits_V1_4(hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V1_4 *)fw_info); + + else if ((fw_info->ucTableFormatRevision == 2) + && (fw_info->usStructureSize >= sizeof(ATOM_FIRMWARE_INFO_V2_1))) + result = init_overdrive_limits_V2_1(hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V2_1 *)fw_info); + + if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 + && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0 + && !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OverdriveDisabledByPowerBudget)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ACOverdriveSupport); + + return result; +} + +static int get_uvd_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_uvd_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *table, + const UVDClockInfoArray *array) +{ + unsigned long table_size, i; + struct phm_uvd_clock_voltage_dependency_table *uvd_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_uvd_clock_voltage_dependency_table) * + table->numEntries; + + uvd_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == uvd_table) + return -ENOMEM; + + uvd_table->count = table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + const UVDClockInfo *entry = + &array->entries[table->entries[i].ucUVDClockInfoIndex]; + uvd_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + uvd_table->entries[i].vclk = ((unsigned long)entry->ucVClkHigh << 16) + | le16_to_cpu(entry->usVClkLow); + uvd_table->entries[i].dclk = ((unsigned long)entry->ucDClkHigh << 16) + | le16_to_cpu(entry->usDClkLow); + } + + *ptable = uvd_table; + + return 0; +} + +static int get_vce_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_vce_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *table, + const VCEClockInfoArray *array) +{ + unsigned long table_size, i; + struct phm_vce_clock_voltage_dependency_table *vce_table = NULL; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_vce_clock_voltage_dependency_table) + * table->numEntries; + + vce_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == vce_table) + return -ENOMEM; + + vce_table->count = table->numEntries; + for (i = 0; i < table->numEntries; i++) { + const VCEClockInfo *entry = &array->entries[table->entries[i].ucVCEClockInfoIndex]; + + vce_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + vce_table->entries[i].evclk = ((unsigned long)entry->ucEVClkHigh << 16) + | le16_to_cpu(entry->usEVClkLow); + vce_table->entries[i].ecclk = ((unsigned long)entry->ucECClkHigh << 16) + | le16_to_cpu(entry->usECClkLow); + } + + *ptable = vce_table; + + return 0; +} + +static int get_samu_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_samu_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *table) +{ + unsigned long table_size, i; + struct phm_samu_clock_voltage_dependency_table *samu_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_samu_clock_voltage_dependency_table) * + table->numEntries; + + samu_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == samu_table) + return -ENOMEM; + + samu_table->count = table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + samu_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + samu_table->entries[i].samclk = ((unsigned long)table->entries[i].ucSAMClockHigh << 16) + | le16_to_cpu(table->entries[i].usSAMClockLow); + } + + *ptable = samu_table; + + return 0; +} + +static int get_acp_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_acp_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *table) +{ + unsigned table_size, i; + struct phm_acp_clock_voltage_dependency_table *acp_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_acp_clock_voltage_dependency_table) * + table->numEntries; + + acp_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == acp_table) + return -ENOMEM; + + acp_table->count = (unsigned long)table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + acp_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + acp_table->entries[i].acpclk = ((unsigned long)table->entries[i].ucACPClockHigh << 16) + | le16_to_cpu(table->entries[i].usACPClockLow); + } + + *ptable = acp_table; + + return 0; +} + +static int init_clock_voltage_dependency(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + ATOM_PPLIB_Clock_Voltage_Dependency_Table *table; + ATOM_PPLIB_Clock_Voltage_Limit_Table *limit_table; + int result = 0; + + uint16_t vce_clock_info_array_offset; + uint16_t uvd_clock_info_array_offset; + uint16_t table_offset; + + hwmgr->dyn_state.vddc_dependency_on_sclk = NULL; + hwmgr->dyn_state.vddci_dependency_on_mclk = NULL; + hwmgr->dyn_state.vddc_dependency_on_mclk = NULL; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + hwmgr->dyn_state.mvdd_dependency_on_mclk = NULL; + hwmgr->dyn_state.vce_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.uvd_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.samu_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.acp_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.ppm_parameter_table = NULL; + hwmgr->dyn_state.vdd_gfx_dependency_on_sclk = NULL; + + vce_clock_info_array_offset = get_vce_clock_info_array_offset( + hwmgr, powerplay_table); + table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + if (vce_clock_info_array_offset > 0 && table_offset > 0) { + const VCEClockInfoArray *array = (const VCEClockInfoArray *) + (((unsigned long) powerplay_table) + + vce_clock_info_array_offset); + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *table = + (const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_vce_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.vce_clock_voltage_dependency_table, + table, array); + } + + uvd_clock_info_array_offset = get_uvd_clock_info_array_offset(hwmgr, powerplay_table); + table_offset = get_uvd_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + + if (uvd_clock_info_array_offset > 0 && table_offset > 0) { + const UVDClockInfoArray *array = (const UVDClockInfoArray *) + (((unsigned long) powerplay_table) + + uvd_clock_info_array_offset); + const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_uvd_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.uvd_clock_voltage_dependency_table, ptable, array); + } + + table_offset = get_samu_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_samu_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.samu_clock_voltage_dependency_table, ptable); + } + + table_offset = get_acp_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_acp_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.acp_clock_voltage_dependency_table, ptable); + } + + table_offset = get_cacp_tdp_table_offset(hwmgr, powerplay_table); + if (table_offset > 0) { + UCHAR rev_id = *(UCHAR *)(((unsigned long)powerplay_table) + table_offset); + + if (rev_id > 0) { + const ATOM_PPLIB_POWERTUNE_Table_V1 *tune_table = + (const ATOM_PPLIB_POWERTUNE_Table_V1 *) + (((unsigned long) powerplay_table) + table_offset); + result = get_cac_tdp_table(hwmgr, &hwmgr->dyn_state.cac_dtp_table, + &tune_table->power_tune_table, + le16_to_cpu(tune_table->usMaximumPowerDeliveryLimit)); + hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp = + le16_to_cpu(tune_table->usTjMax); + } else { + const ATOM_PPLIB_POWERTUNE_Table *tune_table = + (const ATOM_PPLIB_POWERTUNE_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_cac_tdp_table(hwmgr, + &hwmgr->dyn_state.cac_dtp_table, + &tune_table->power_tune_table, 255); + } + } + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE4)) { + const ATOM_PPLIB_POWERPLAYTABLE4 *powerplay_table4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *)powerplay_table; + if (0 != powerplay_table4->usVddcDependencyOnSCLKOffset) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddcDependencyOnSCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddc_dependency_on_sclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usVddciDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddciDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddci_dependency_on_mclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usVddcDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddcDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddc_dependency_on_mclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usMaxClockVoltageOnDCOffset)) { + limit_table = (ATOM_PPLIB_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usMaxClockVoltageOnDCOffset); + result = get_clock_voltage_limit(hwmgr, + &hwmgr->dyn_state.max_clock_voltage_on_dc, limit_table); + } + + if (result == 0 && (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) && + (0 != hwmgr->dyn_state.vddc_dependency_on_mclk->count)) + result = get_valid_clk(hwmgr, &hwmgr->dyn_state.valid_mclk_values, + hwmgr->dyn_state.vddc_dependency_on_mclk); + + if(result == 0 && (NULL != hwmgr->dyn_state.vddc_dependency_on_sclk) && + (0 != hwmgr->dyn_state.vddc_dependency_on_sclk->count)) + result = get_valid_clk(hwmgr, + &hwmgr->dyn_state.valid_sclk_values, + hwmgr->dyn_state.vddc_dependency_on_sclk); + + if (result == 0 && (0 != powerplay_table4->usMvddDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usMvddDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.mvdd_dependency_on_mclk, table); + } + } + + table_offset = get_sclk_vdd_gfx_clock_voltage_dependency_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vdd_gfx_dependency_on_sclk, table); + } + + return result; +} + +static int get_cac_leakage_table(struct pp_hwmgr *hwmgr, + struct phm_cac_leakage_table **ptable, + const ATOM_PPLIB_CAC_Leakage_Table *table) +{ + struct phm_cac_leakage_table *cac_leakage_table; + unsigned long table_size, i; + + if (hwmgr == NULL || table == NULL || ptable == NULL) + return -EINVAL; + + table_size = sizeof(ULONG) + + (sizeof(struct phm_cac_leakage_table) * table->ucNumEntries); + + cac_leakage_table = kzalloc(table_size, GFP_KERNEL); + + if (cac_leakage_table == NULL) + return -ENOMEM; + + cac_leakage_table->count = (ULONG)table->ucNumEntries; + + for (i = 0; i < cac_leakage_table->count; i++) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EVV)) { + cac_leakage_table->entries[i].Vddc1 = le16_to_cpu(table->entries[i].usVddc1); + cac_leakage_table->entries[i].Vddc2 = le16_to_cpu(table->entries[i].usVddc2); + cac_leakage_table->entries[i].Vddc3 = le16_to_cpu(table->entries[i].usVddc3); + } else { + cac_leakage_table->entries[i].Vddc = le16_to_cpu(table->entries[i].usVddc); + cac_leakage_table->entries[i].Leakage = le32_to_cpu(table->entries[i].ulLeakageValue); + } + } + + *ptable = cac_leakage_table; + + return 0; +} + +static int get_platform_power_management_table(struct pp_hwmgr *hwmgr, + ATOM_PPLIB_PPM_Table *atom_ppm_table) +{ + struct phm_ppm_table *ptr = kzalloc(sizeof(struct phm_ppm_table), GFP_KERNEL); + + if (NULL == ptr) + return -ENOMEM; + + ptr->ppm_design = atom_ppm_table->ucPpmDesign; + ptr->cpu_core_number = le16_to_cpu(atom_ppm_table->usCpuCoreNumber); + ptr->platform_tdp = le32_to_cpu(atom_ppm_table->ulPlatformTDP); + ptr->small_ac_platform_tdp = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDP); + ptr->platform_tdc = le32_to_cpu(atom_ppm_table->ulPlatformTDC); + ptr->small_ac_platform_tdc = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDC); + ptr->apu_tdp = le32_to_cpu(atom_ppm_table->ulApuTDP); + ptr->dgpu_tdp = le32_to_cpu(atom_ppm_table->ulDGpuTDP); + ptr->dgpu_ulv_power = le32_to_cpu(atom_ppm_table->ulDGpuUlvPower); + ptr->tj_max = le32_to_cpu(atom_ppm_table->ulTjmax); + hwmgr->dyn_state.ppm_parameter_table = ptr; + + return 0; +} + +static int init_dpm2_parameters(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + int result = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE5)) { + const ATOM_PPLIB_POWERPLAYTABLE5 *ptable5 = + (const ATOM_PPLIB_POWERPLAYTABLE5 *)powerplay_table; + const ATOM_PPLIB_POWERPLAYTABLE4 *ptable4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *) + (&ptable5->basicTable4); + const ATOM_PPLIB_POWERPLAYTABLE3 *ptable3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *) + (&ptable4->basicTable3); + const ATOM_PPLIB_EXTENDEDHEADER *extended_header; + uint16_t table_offset; + ATOM_PPLIB_PPM_Table *atom_ppm_table; + + hwmgr->platform_descriptor.TDPLimit = le32_to_cpu(ptable5->ulTDPLimit); + hwmgr->platform_descriptor.nearTDPLimit = le32_to_cpu(ptable5->ulNearTDPLimit); + + hwmgr->platform_descriptor.TDPODLimit = le16_to_cpu(ptable5->usTDPODLimit); + hwmgr->platform_descriptor.TDPAdjustment = 0; + + hwmgr->platform_descriptor.VidAdjustment = 0; + hwmgr->platform_descriptor.VidAdjustmentPolarity = 0; + hwmgr->platform_descriptor.VidMinLimit = 0; + hwmgr->platform_descriptor.VidMaxLimit = 1500000; + hwmgr->platform_descriptor.VidStep = 6250; + + hwmgr->platform_descriptor.nearTDPLimitAdjusted = le32_to_cpu(ptable5->ulNearTDPLimit); + + if (hwmgr->platform_descriptor.TDPODLimit != 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerControl); + + hwmgr->platform_descriptor.SQRampingThreshold = le32_to_cpu(ptable5->ulSQRampingThreshold); + + hwmgr->platform_descriptor.CACLeakage = le32_to_cpu(ptable5->ulCACLeakage); + + hwmgr->dyn_state.cac_leakage_table = NULL; + + if (0 != ptable5->usCACLeakageTableOffset) { + const ATOM_PPLIB_CAC_Leakage_Table *pCAC_leakage_table = + (ATOM_PPLIB_CAC_Leakage_Table *)(((unsigned long)ptable5) + + le16_to_cpu(ptable5->usCACLeakageTableOffset)); + result = get_cac_leakage_table(hwmgr, + &hwmgr->dyn_state.cac_leakage_table, pCAC_leakage_table); + } + + hwmgr->platform_descriptor.LoadLineSlope = le16_to_cpu(ptable5->usLoadLineSlope); + + hwmgr->dyn_state.ppm_parameter_table = NULL; + + if (0 != ptable3->usExtendendedHeaderOffset) { + extended_header = (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table) + + le16_to_cpu(ptable3->usExtendendedHeaderOffset)); + if ((extended_header->usPPMTableOffset > 0) && + le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) { + table_offset = le16_to_cpu(extended_header->usPPMTableOffset); + atom_ppm_table = (ATOM_PPLIB_PPM_Table *) + (((unsigned long)powerplay_table) + table_offset); + if (0 == get_platform_power_management_table(hwmgr, atom_ppm_table)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnablePlatformPowerManagement); + } + } + } + return result; +} + +static int init_phase_shedding_table(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE4)) { + const ATOM_PPLIB_POWERPLAYTABLE4 *powerplay_table4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *)powerplay_table; + + if (0 != powerplay_table4->usVddcPhaseShedLimitsTableOffset) { + const ATOM_PPLIB_PhaseSheddingLimits_Table *ptable = + (ATOM_PPLIB_PhaseSheddingLimits_Table *) + (((unsigned long)powerplay_table4) + + le16_to_cpu(powerplay_table4->usVddcPhaseShedLimitsTableOffset)); + struct phm_phase_shedding_limits_table *table; + unsigned long size, i; + + + size = sizeof(unsigned long) + + (sizeof(struct phm_phase_shedding_limits_table) * + ptable->ucNumEntries); + + table = kzalloc(size, GFP_KERNEL); + + if (table == NULL) + return -ENOMEM; + + table->count = (unsigned long)ptable->ucNumEntries; + + for (i = 0; i < table->count; i++) { + table->entries[i].Voltage = (unsigned long)le16_to_cpu(ptable->entries[i].usVoltage); + table->entries[i].Sclk = ((unsigned long)ptable->entries[i].ucSclkHigh << 16) + | le16_to_cpu(ptable->entries[i].usSclkLow); + table->entries[i].Mclk = ((unsigned long)ptable->entries[i].ucMclkHigh << 16) + | le16_to_cpu(ptable->entries[i].usMclkLow); + } + hwmgr->dyn_state.vddc_phase_shed_limits_table = table; + } + } + + return 0; +} + +int get_number_of_vce_state_table_entries( + struct pp_hwmgr *hwmgr) +{ + const ATOM_PPLIB_POWERPLAYTABLE *table = + get_powerplay_table(hwmgr); + const ATOM_PPLIB_VCE_State_Table *vce_table = + get_vce_state_table(hwmgr, table); + + if (vce_table > 0) + return vce_table->numEntries; + + return 0; +} + +int get_vce_state_table_entry(struct pp_hwmgr *hwmgr, + unsigned long i, + struct PP_VCEState *vce_state, + void **clock_info, + unsigned long *flag) +{ + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + + const ATOM_PPLIB_VCE_State_Table *vce_state_table = get_vce_state_table(hwmgr, powerplay_table); + + unsigned short vce_clock_info_array_offset = get_vce_clock_info_array_offset(hwmgr, powerplay_table); + + const VCEClockInfoArray *vce_clock_info_array = (const VCEClockInfoArray *)(((unsigned long) powerplay_table) + vce_clock_info_array_offset); + + const ClockInfoArray *clock_arrays = (ClockInfoArray *)(((unsigned long)powerplay_table) + powerplay_table->usClockInfoArrayOffset); + + const ATOM_PPLIB_VCE_State_Record *record = &vce_state_table->entries[i]; + + const VCEClockInfo *vce_clock_info = &vce_clock_info_array->entries[record->ucVCEClockInfoIndex]; + + unsigned long clockInfoIndex = record->ucClockInfoIndex & 0x3F; + + *flag = (record->ucClockInfoIndex >> NUM_BITS_CLOCK_INFO_ARRAY_INDEX); + + vce_state->evclk = ((uint32_t)vce_clock_info->ucEVClkHigh << 16) | vce_clock_info->usEVClkLow; + vce_state->ecclk = ((uint32_t)vce_clock_info->ucECClkHigh << 16) | vce_clock_info->usECClkLow; + + *clock_info = (void *)((unsigned long)(clock_arrays->clockInfo) + (clockInfoIndex * clock_arrays->ucEntrySize)); + + return 0; +} + + +static int pp_tables_initialize(struct pp_hwmgr *hwmgr) +{ + int result; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table; + + hwmgr->need_pp_table_upload = true; + + powerplay_table = get_powerplay_table(hwmgr); + + result = init_powerplay_tables(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_powerplay_tables failed", return result); + + result = set_platform_caps(hwmgr, + le32_to_cpu(powerplay_table->ulPlatformCaps)); + + PP_ASSERT_WITH_CODE((result == 0), + "set_platform_caps failed", return result); + + result = init_thermal_controller(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_thermal_controller failed", return result); + + result = init_overdrive_limits(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_overdrive_limits failed", return result); + + result = init_clock_voltage_dependency(hwmgr, + powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_clock_voltage_dependency failed", return result); + + result = init_dpm2_parameters(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_dpm2_parameters failed", return result); + + result = init_phase_shedding_table(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_phase_shedding_table failed", return result); + + return result; +} + +static int pp_tables_uninitialize(struct pp_hwmgr *hwmgr) +{ + if (NULL != hwmgr->soft_pp_table) { + kfree(hwmgr->soft_pp_table); + hwmgr->soft_pp_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_dependency_on_sclk) { + kfree(hwmgr->dyn_state.vddc_dependency_on_sclk); + hwmgr->dyn_state.vddc_dependency_on_sclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) { + kfree(hwmgr->dyn_state.vddci_dependency_on_mclk); + hwmgr->dyn_state.vddci_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) { + kfree(hwmgr->dyn_state.vddc_dependency_on_mclk); + hwmgr->dyn_state.vddc_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.mvdd_dependency_on_mclk) { + kfree(hwmgr->dyn_state.mvdd_dependency_on_mclk); + hwmgr->dyn_state.mvdd_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.valid_mclk_values) { + kfree(hwmgr->dyn_state.valid_mclk_values); + hwmgr->dyn_state.valid_mclk_values = NULL; + } + + if (NULL != hwmgr->dyn_state.valid_sclk_values) { + kfree(hwmgr->dyn_state.valid_sclk_values); + hwmgr->dyn_state.valid_sclk_values = NULL; + } + + if (NULL != hwmgr->dyn_state.cac_leakage_table) { + kfree(hwmgr->dyn_state.cac_leakage_table); + hwmgr->dyn_state.cac_leakage_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_phase_shed_limits_table) { + kfree(hwmgr->dyn_state.vddc_phase_shed_limits_table); + hwmgr->dyn_state.vddc_phase_shed_limits_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vce_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.vce_clock_voltage_dependency_table); + hwmgr->dyn_state.vce_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.uvd_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.uvd_clock_voltage_dependency_table); + hwmgr->dyn_state.uvd_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.samu_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.samu_clock_voltage_dependency_table); + hwmgr->dyn_state.samu_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.acp_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.acp_clock_voltage_dependency_table); + hwmgr->dyn_state.acp_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.cac_dtp_table) { + kfree(hwmgr->dyn_state.cac_dtp_table); + hwmgr->dyn_state.cac_dtp_table = NULL; + } + + if (NULL != hwmgr->dyn_state.ppm_parameter_table) { + kfree(hwmgr->dyn_state.ppm_parameter_table); + hwmgr->dyn_state.ppm_parameter_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vdd_gfx_dependency_on_sclk) { + kfree(hwmgr->dyn_state.vdd_gfx_dependency_on_sclk); + hwmgr->dyn_state.vdd_gfx_dependency_on_sclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vq_budgeting_table) { + kfree(hwmgr->dyn_state.vq_budgeting_table); + hwmgr->dyn_state.vq_budgeting_table = NULL; + } + + return 0; +} + +const struct pp_table_func pptable_funcs = { + .pptable_init = pp_tables_initialize, + .pptable_fini = pp_tables_uninitialize, + .pptable_get_number_of_vce_state_table_entries = + get_number_of_vce_state_table_entries, + .pptable_get_vce_state_table_entry = + get_vce_state_table_entry, +}; + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h new file mode 100644 index 000000000000..30434802417e --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h @@ -0,0 +1,47 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * Interface Functions related to the BIOS PowerPlay Tables. + * + */ + +#ifndef PROCESSPPTABLES_H +#define PROCESSPPTABLES_H + +struct pp_hwmgr; +struct pp_power_state; +struct pp_hw_power_state; + +extern const struct pp_table_func pptable_funcs; + +typedef int (*pp_tables_hw_clock_info_callback)(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps, + unsigned int index, + const void *clock_info); + +int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr, + unsigned long *num_of_entries); + +int pp_tables_get_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, + struct pp_power_state *ps, + pp_tables_hw_clock_info_callback func); + +#endif diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.c new file mode 100644 index 000000000000..e58d038a997b --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.c @@ -0,0 +1,350 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "hwmgr.h" +#include "tonga_clockpowergating.h" +#include "tonga_ppsmc.h" +#include "tonga_hwmgr.h" + +int tonga_phm_powerdown_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_uvd_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_UVDPowerOFF); + return 0; +} + +int tonga_phm_powerup_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_uvd_power_gating(hwmgr)) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDDynamicPowerGating)) { + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 1); + } else { + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 0); + } + } + + return 0; +} + +int tonga_phm_powerdown_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_vce_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerOFF); + return 0; +} + +int tonga_phm_powerup_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_vce_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerON); + return 0; +} + +int tonga_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating) +{ + int ret = 0; + + switch (block) { + case PHM_AsicBlock_UVD_MVC: + case PHM_AsicBlock_UVD: + case PHM_AsicBlock_UVD_HD: + case PHM_AsicBlock_UVD_SD: + if (gating == PHM_ClockGateSetting_StaticOff) + ret = tonga_phm_powerdown_uvd(hwmgr); + else + ret = tonga_phm_powerup_uvd(hwmgr); + break; + case PHM_AsicBlock_GFX: + default: + break; + } + + return ret; +} + +int tonga_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + + tonga_phm_powerup_uvd(hwmgr); + tonga_phm_powerup_vce(hwmgr); + + return 0; +} + +int tonga_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + if (data->uvd_power_gated == bgate) + return 0; + + data->uvd_power_gated = bgate; + + if (bgate) { + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_UNGATE); + cgs_set_powergating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_GATE); + tonga_update_uvd_dpm(hwmgr, true); + tonga_phm_powerdown_uvd(hwmgr); + } else { + tonga_phm_powerup_uvd(hwmgr); + cgs_set_powergating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_UNGATE); + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_GATE); + + tonga_update_uvd_dpm(hwmgr, false); + } + + return 0; +} + +int tonga_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct phm_set_power_state_input states; + const struct pp_power_state *pcurrent; + struct pp_power_state *requested; + + pcurrent = hwmgr->current_ps; + requested = hwmgr->request_ps; + + states.pcurrent_state = &(pcurrent->hardware); + states.pnew_state = &(requested->hardware); + + if (phm_cf_want_vce_power_gating(hwmgr)) { + if (data->vce_power_gated != bgate) { + if (bgate) { + cgs_set_clockgating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_CG_STATE_UNGATE); + cgs_set_powergating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_PG_STATE_GATE); + tonga_enable_disable_vce_dpm(hwmgr, false); + data->vce_power_gated = true; + } else { + tonga_phm_powerup_vce(hwmgr); + data->vce_power_gated = false; + cgs_set_powergating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_PG_STATE_UNGATE); + cgs_set_clockgating_state( + hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_PG_STATE_GATE); + + tonga_update_vce_dpm(hwmgr, &states); + tonga_enable_disable_vce_dpm(hwmgr, true); + return 0; + } + } + } else { + tonga_update_vce_dpm(hwmgr, &states); + tonga_enable_disable_vce_dpm(hwmgr, true); + return 0; + } + + if (!data->vce_power_gated) + tonga_update_vce_dpm(hwmgr, &states); + + return 0; +} + +int tonga_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, + const uint32_t *msg_id) +{ + PPSMC_Msg msg; + uint32_t value; + + switch ((*msg_id & PP_GROUP_MASK) >> PP_GROUP_SHIFT) { + case PP_GROUP_GFX: + switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) { + case PP_BLOCK_GFX_CG: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_CGCG_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_CGLS_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_GFX_MG: + /* For GFX MGCG, there are three different ones; + * CPF, RLC, and all others. CPF MGCG will not be used for Tonga. + * For GFX MGLS, Tonga will not support it. + * */ + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = (CG_RLC_MGCG_MASK | CG_GFX_OTHERS_MGCG_MASK); + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + default: + return -1; + } + break; + + case PP_GROUP_SYS: + switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) { + case PP_BLOCK_SYS_BIF: + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_BIF_MGLS_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_MC: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_MC_MGCG_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_MC_MGLS_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + + } + break; + + case PP_BLOCK_SYS_HDP: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_HDP_MGCG_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + + value = CG_SYS_HDP_MGLS_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_SDMA: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_SDMA_MGCG_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + + value = CG_SYS_SDMA_MGLS_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_ROM: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_ROM_MASK; + + if (0 != smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, msg, value)) + return -1; + } + break; + + default: + return -1; + + } + break; + + default: + return -1; + + } + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.h new file mode 100644 index 000000000000..8bc38cb17b7f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_clockpowergating.h @@ -0,0 +1,36 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _TONGA_CLOCK_POWER_GATING_H_ +#define _TONGA_CLOCK_POWER_GATING_H_ + +#include "tonga_hwmgr.h" +#include "pp_asicblocks.h" + +extern int tonga_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating); +extern int tonga_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate); +extern int tonga_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate); +extern int tonga_phm_powerdown_uvd(struct pp_hwmgr *hwmgr); +extern int tonga_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr); +extern int tonga_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, const uint32_t *msg_id); +#endif /* _TONGA_CLOCK_POWER_GATING_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_dyn_defaults.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_dyn_defaults.h new file mode 100644 index 000000000000..080d69d77f04 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_dyn_defaults.h @@ -0,0 +1,107 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef TONGA_DYN_DEFAULTS_H +#define TONGA_DYN_DEFAULTS_H + + +/** \file + * Volcanic Islands Dynamic default parameters. + */ + +enum TONGAdpm_TrendDetection { + TONGAdpm_TrendDetection_AUTO, + TONGAdpm_TrendDetection_UP, + TONGAdpm_TrendDetection_DOWN +}; +typedef enum TONGAdpm_TrendDetection TONGAdpm_TrendDetection; + +/* Bit vector representing same fields as hardware register. */ +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT0 0x3FFFC102 /* CP_Gfx_busy */ +/* HDP_busy */ +/* IH_busy */ +/* DRM_busy */ +/* DRMDMA_busy */ +/* UVD_busy */ +/* VCE_busy */ +/* ACP_busy */ +/* SAMU_busy */ +/* AVP_busy */ +/* SDMA enabled */ +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT1 0x000400 /* FE_Gfx_busy - Intended for primary usage. Rest are for flexibility. */ +/* SH_Gfx_busy */ +/* RB_Gfx_busy */ +/* VCE_busy */ + +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT2 0xC00080 /* SH_Gfx_busy - Intended for primary usage. Rest are for flexibility. */ +/* FE_Gfx_busy */ +/* RB_Gfx_busy */ +/* ACP_busy */ + +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT3 0xC00200 /* RB_Gfx_busy - Intended for primary usage. Rest are for flexibility. */ +/* FE_Gfx_busy */ +/* SH_Gfx_busy */ +/* UVD_busy */ + +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT4 0xC01680 /* UVD_busy */ +/* VCE_busy */ +/* ACP_busy */ +/* SAMU_busy */ + +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT5 0xC00033 /* GFX, HDP, DRMDMA */ +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT6 0xC00033 /* GFX, HDP, DRMDMA */ +#define PPTONGA_VOTINGRIGHTSCLIENTS_DFLT7 0x3FFFC000 /* GFX, HDP, DRMDMA */ + + +/* thermal protection counter (units).*/ +#define PPTONGA_THERMALPROTECTCOUNTER_DFLT 0x200 /* ~19us */ + +/* static screen threshold unit */ +#define PPTONGA_STATICSCREENTHRESHOLDUNIT_DFLT 0 + +/* static screen threshold */ +#define PPTONGA_STATICSCREENTHRESHOLD_DFLT 0x00C8 + +/* gfx idle clock stop threshold */ +#define PPTONGA_GFXIDLECLOCKSTOPTHRESHOLD_DFLT 0x200 /* ~19us with static screen threshold unit of 0 */ + +/* Fixed reference divider to use when building baby stepping tables. */ +#define PPTONGA_REFERENCEDIVIDER_DFLT 4 + +/* + * ULV voltage change delay time + * Used to be delay_vreg in N.I. split for S.I. + * Using N.I. delay_vreg value as default + * ReferenceClock = 2700 + * VoltageResponseTime = 1000 + * VDDCDelayTime = (VoltageResponseTime * ReferenceClock) / 1600 = 1687 + */ + +#define PPTONGA_ULVVOLTAGECHANGEDELAY_DFLT 1687 + +#define PPTONGA_CGULVPARAMETER_DFLT 0x00040035 +#define PPTONGA_CGULVCONTROL_DFLT 0x00007450 +#define PPTONGA_TARGETACTIVITY_DFLT 30 /*30% */ +#define PPTONGA_MCLK_TARGETACTIVITY_DFLT 10 /*10% */ + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c new file mode 100644 index 000000000000..44a925006479 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c @@ -0,0 +1,6075 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include "linux/delay.h" +#include "pp_acpi.h" +#include "hwmgr.h" +#include <atombios.h> +#include "tonga_hwmgr.h" +#include "pptable.h" +#include "processpptables.h" +#include "tonga_processpptables.h" +#include "tonga_pptable.h" +#include "pp_debug.h" +#include "tonga_ppsmc.h" +#include "cgs_common.h" +#include "pppcielanes.h" +#include "tonga_dyn_defaults.h" +#include "smumgr.h" +#include "tonga_smumgr.h" +#include "tonga_clockpowergating.h" +#include "tonga_thermal.h" + +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" + +#include "gmc/gmc_8_1_d.h" +#include "gmc/gmc_8_1_sh_mask.h" + +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" + +#include "cgs_linux.h" +#include "eventmgr.h" +#include "amd_pcie_helpers.h" + +#define MC_CG_ARB_FREQ_F0 0x0a +#define MC_CG_ARB_FREQ_F1 0x0b +#define MC_CG_ARB_FREQ_F2 0x0c +#define MC_CG_ARB_FREQ_F3 0x0d + +#define MC_CG_SEQ_DRAMCONF_S0 0x05 +#define MC_CG_SEQ_DRAMCONF_S1 0x06 +#define MC_CG_SEQ_YCLK_SUSPEND 0x04 +#define MC_CG_SEQ_YCLK_RESUME 0x0a + +#define PCIE_BUS_CLK 10000 +#define TCLK (PCIE_BUS_CLK / 10) + +#define SMC_RAM_END 0x40000 +#define SMC_CG_IND_START 0xc0030000 +#define SMC_CG_IND_END 0xc0040000 /* First byte after SMC_CG_IND*/ + +#define VOLTAGE_SCALE 4 +#define VOLTAGE_VID_OFFSET_SCALE1 625 +#define VOLTAGE_VID_OFFSET_SCALE2 100 + +#define VDDC_VDDCI_DELTA 200 +#define VDDC_VDDGFX_DELTA 300 + +#define MC_SEQ_MISC0_GDDR5_SHIFT 28 +#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000 +#define MC_SEQ_MISC0_GDDR5_VALUE 5 + +typedef uint32_t PECI_RegistryValue; + +/* [2.5%,~2.5%] Clock stretched is multiple of 2.5% vs not and [Fmin, Fmax, LDO_REFSEL, USE_FOR_LOW_FREQ] */ +uint16_t PP_ClockStretcherLookupTable[2][4] = { + {600, 1050, 3, 0}, + {600, 1050, 6, 1} }; + +/* [FF, SS] type, [] 4 voltage ranges, and [Floor Freq, Boundary Freq, VID min , VID max] */ +uint32_t PP_ClockStretcherDDTTable[2][4][4] = { + { {265, 529, 120, 128}, {325, 650, 96, 119}, {430, 860, 32, 95}, {0, 0, 0, 31} }, + { {275, 550, 104, 112}, {319, 638, 96, 103}, {360, 720, 64, 95}, {384, 768, 32, 63} } }; + +/* [Use_For_Low_freq] value, [0%, 5%, 10%, 7.14%, 14.28%, 20%] (coming from PWR_CKS_CNTL.stretch_amount reg spec) */ +uint8_t PP_ClockStretchAmountConversion[2][6] = { + {0, 1, 3, 2, 4, 5}, + {0, 2, 4, 5, 6, 5} }; + +/* Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */ +enum DPM_EVENT_SRC { + DPM_EVENT_SRC_ANALOG = 0, /* Internal analog trip point */ + DPM_EVENT_SRC_EXTERNAL = 1, /* External (GPIO 17) signal */ + DPM_EVENT_SRC_DIGITAL = 2, /* Internal digital trip point (DIG_THERM_DPM) */ + DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3, /* Internal analog or external */ + DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */ +}; +typedef enum DPM_EVENT_SRC DPM_EVENT_SRC; + +const unsigned long PhwTonga_Magic = (unsigned long)(PHM_VIslands_Magic); + +struct tonga_power_state *cast_phw_tonga_power_state( + struct pp_hw_power_state *hw_ps) +{ + if (hw_ps == NULL) + return NULL; + + PP_ASSERT_WITH_CODE((PhwTonga_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL); + + return (struct tonga_power_state *)hw_ps; +} + +const struct tonga_power_state *cast_const_phw_tonga_power_state( + const struct pp_hw_power_state *hw_ps) +{ + if (hw_ps == NULL) + return NULL; + + PP_ASSERT_WITH_CODE((PhwTonga_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL); + + return (const struct tonga_power_state *)hw_ps; +} + +int tonga_add_voltage(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *look_up_table, + phm_ppt_v1_voltage_lookup_record *record) +{ + uint32_t i; + PP_ASSERT_WITH_CODE((NULL != look_up_table), + "Lookup Table empty.", return -1;); + PP_ASSERT_WITH_CODE((0 != look_up_table->count), + "Lookup Table empty.", return -1;); + PP_ASSERT_WITH_CODE((SMU72_MAX_LEVELS_VDDGFX >= look_up_table->count), + "Lookup Table is full.", return -1;); + + /* This is to avoid entering duplicate calculated records. */ + for (i = 0; i < look_up_table->count; i++) { + if (look_up_table->entries[i].us_vdd == record->us_vdd) { + if (look_up_table->entries[i].us_calculated == 1) + return 0; + else + break; + } + } + + look_up_table->entries[i].us_calculated = 1; + look_up_table->entries[i].us_vdd = record->us_vdd; + look_up_table->entries[i].us_cac_low = record->us_cac_low; + look_up_table->entries[i].us_cac_mid = record->us_cac_mid; + look_up_table->entries[i].us_cac_high = record->us_cac_high; + /* Only increment the count when we're appending, not replacing duplicate entry. */ + if (i == look_up_table->count) + look_up_table->count++; + + return 0; +} + +int tonga_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display) +{ + PPSMC_Msg msg = has_display? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay; + + return (smum_send_msg_to_smc(hwmgr->smumgr, msg) == 0) ? 0 : -1; +} + +uint8_t tonga_get_voltage_id(pp_atomctrl_voltage_table *voltage_table, + uint32_t voltage) +{ + uint8_t count = (uint8_t) (voltage_table->count); + uint8_t i = 0; + + PP_ASSERT_WITH_CODE((NULL != voltage_table), + "Voltage Table empty.", return 0;); + PP_ASSERT_WITH_CODE((0 != count), + "Voltage Table empty.", return 0;); + + for (i = 0; i < count; i++) { + /* find first voltage bigger than requested */ + if (voltage_table->entries[i].value >= voltage) + return i; + } + + /* voltage is bigger than max voltage in the table */ + return i - 1; +} + +/** + * @brief PhwTonga_GetVoltageOrder + * Returns index of requested voltage record in lookup(table) + * @param hwmgr - pointer to hardware manager + * @param lookupTable - lookup list to search in + * @param voltage - voltage to look for + * @return 0 on success + */ +uint8_t tonga_get_voltage_index(phm_ppt_v1_voltage_lookup_table *look_up_table, + uint16_t voltage) +{ + uint8_t count = (uint8_t) (look_up_table->count); + uint8_t i; + + PP_ASSERT_WITH_CODE((NULL != look_up_table), "Lookup Table empty.", return 0;); + PP_ASSERT_WITH_CODE((0 != count), "Lookup Table empty.", return 0;); + + for (i = 0; i < count; i++) { + /* find first voltage equal or bigger than requested */ + if (look_up_table->entries[i].us_vdd >= voltage) + return i; + } + + /* voltage is bigger than max voltage in the table */ + return i-1; +} + +bool tonga_is_dpm_running(struct pp_hwmgr *hwmgr) +{ + /* + * We return the status of Voltage Control instead of checking SCLK/MCLK DPM + * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM, + * whereas voltage control is a fundemental change that will not be disabled + */ + + return (0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + FEATURE_STATUS, VOLTAGE_CONTROLLER_ON) ? 1 : 0); +} + +/** + * Re-generate the DPM level mask value + * @param hwmgr the address of the hardware manager + */ +static uint32_t tonga_get_dpm_level_enable_mask_value( + struct tonga_single_dpm_table * dpm_table) +{ + uint32_t i; + uint32_t mask_value = 0; + + for (i = dpm_table->count; i > 0; i--) { + mask_value = mask_value << 1; + + if (dpm_table->dpm_levels[i-1].enabled) + mask_value |= 0x1; + else + mask_value &= 0xFFFFFFFE; + } + return mask_value; +} + +/** + * Retrieve DPM default values from registry (if available) + * + * @param hwmgr the address of the powerplay hardware manager. + */ +void tonga_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + phw_tonga_ulv_parm *ulv = &(data->ulv); + uint32_t tmp; + + ulv->ch_ulv_parameter = PPTONGA_CGULVPARAMETER_DFLT; + data->voting_rights_clients0 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT0; + data->voting_rights_clients1 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT1; + data->voting_rights_clients2 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT2; + data->voting_rights_clients3 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT3; + data->voting_rights_clients4 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT4; + data->voting_rights_clients5 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT5; + data->voting_rights_clients6 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT6; + data->voting_rights_clients7 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT7; + + data->static_screen_threshold_unit = PPTONGA_STATICSCREENTHRESHOLDUNIT_DFLT; + data->static_screen_threshold = PPTONGA_STATICSCREENTHRESHOLD_DFLT; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ABM); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_NonABMSupportInPPLib); + + tmp = 0; + if (tmp == 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicACTiming); + + tmp = 0; + if (0 != tmp) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMemoryTransition); + + data->mclk_strobe_mode_threshold = 40000; + data->mclk_stutter_mode_threshold = 30000; + data->mclk_edc_enable_threshold = 40000; + data->mclk_edc_wr_enable_threshold = 40000; + + tmp = 0; + if (tmp != 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMCLS); + + data->pcie_gen_performance.max = PP_PCIEGen1; + data->pcie_gen_performance.min = PP_PCIEGen3; + data->pcie_gen_power_saving.max = PP_PCIEGen1; + data->pcie_gen_power_saving.min = PP_PCIEGen3; + + data->pcie_lane_performance.max = 0; + data->pcie_lane_performance.min = 16; + data->pcie_lane_power_saving.max = 0; + data->pcie_lane_power_saving.min = 16; + + tmp = 0; + + if (tmp) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkThrottleLowNotification); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicUVDState); + +} + +int tonga_update_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + int result = 0; + uint32_t low_sclk_interrupt_threshold = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkThrottleLowNotification) + && (hwmgr->gfx_arbiter.sclk_threshold != data->low_sclk_interrupt_threshold)) { + data->low_sclk_interrupt_threshold = hwmgr->gfx_arbiter.sclk_threshold; + low_sclk_interrupt_threshold = data->low_sclk_interrupt_threshold; + + CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold); + + result = tonga_copy_bytes_to_smc( + hwmgr->smumgr, + data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, + LowSclkInterruptThreshold), + (uint8_t *)&low_sclk_interrupt_threshold, + sizeof(uint32_t), + data->sram_end + ); + } + + return result; +} + +/** + * Find SCLK value that is associated with specified virtual_voltage_Id. + * + * @param hwmgr the address of the powerplay hardware manager. + * @param virtual_voltage_Id voltageId to look for. + * @param sclk output value . + * @return always 0 if success and 2 if association not found + */ +static int tonga_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + uint16_t virtual_voltage_id, uint32_t *sclk) +{ + uint8_t entryId; + uint8_t voltageId; + struct phm_ppt_v1_information *pptable_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -1); + + /* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */ + for (entryId = 0; entryId < pptable_info->vdd_dep_on_sclk->count; entryId++) { + voltageId = pptable_info->vdd_dep_on_sclk->entries[entryId].vddInd; + if (lookup_table->entries[voltageId].us_vdd == virtual_voltage_id) + break; + } + + PP_ASSERT_WITH_CODE(entryId < pptable_info->vdd_dep_on_sclk->count, + "Can't find requested voltage id in vdd_dep_on_sclk table!", + return -1; + ); + + *sclk = pptable_info->vdd_dep_on_sclk->entries[entryId].clk; + + return 0; +} + +/** + * Get Leakage VDDC based on leakage ID. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return 2 if vddgfx returned is greater than 2V or if BIOS + */ +int tonga_get_evv_voltage(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk; + uint16_t virtual_voltage_id; + uint16_t vddc = 0; + uint16_t vddgfx = 0; + uint16_t i, j; + uint32_t sclk = 0; + + /* retrieve voltage for leakage ID (0xff01 + i) */ + for (i = 0; i < TONGA_MAX_LEAKAGE_COUNT; i++) { + virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; + + /* in split mode we should have only vddgfx EVV leakages */ + if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) { + if (0 == tonga_get_sclk_for_voltage_evv(hwmgr, + pptable_info->vddgfx_lookup_table, virtual_voltage_id, &sclk)) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher)) { + for (j = 1; j < sclk_table->count; j++) { + if (sclk_table->entries[j].clk == sclk && + sclk_table->entries[j].cks_enable == 0) { + sclk += 5000; + break; + } + } + } + PP_ASSERT_WITH_CODE(0 == atomctrl_get_voltage_evv_on_sclk + (hwmgr, VOLTAGE_TYPE_VDDGFX, sclk, + virtual_voltage_id, &vddgfx), + "Error retrieving EVV voltage value!", continue); + + /* need to make sure vddgfx is less than 2v or else, it could burn the ASIC. */ + PP_ASSERT_WITH_CODE((vddgfx < 2000 && vddgfx != 0), "Invalid VDDGFX value!", return -1); + + /* the voltage should not be zero nor equal to leakage ID */ + if (vddgfx != 0 && vddgfx != virtual_voltage_id) { + data->vddcgfx_leakage.actual_voltage[data->vddcgfx_leakage.count] = vddgfx; + data->vddcgfx_leakage.leakage_id[data->vddcgfx_leakage.count] = virtual_voltage_id; + data->vddcgfx_leakage.count++; + } + } + } else { + /* in merged mode we have only vddc EVV leakages */ + if (0 == tonga_get_sclk_for_voltage_evv(hwmgr, + pptable_info->vddc_lookup_table, + virtual_voltage_id, &sclk)) { + PP_ASSERT_WITH_CODE(0 == atomctrl_get_voltage_evv_on_sclk + (hwmgr, VOLTAGE_TYPE_VDDC, sclk, + virtual_voltage_id, &vddc), + "Error retrieving EVV voltage value!", continue); + + /* need to make sure vddc is less than 2v or else, it could burn the ASIC. */ + if (vddc > 2000) + printk(KERN_ERR "[ powerplay ] Invalid VDDC value! \n"); + + /* the voltage should not be zero nor equal to leakage ID */ + if (vddc != 0 && vddc != virtual_voltage_id) { + data->vddc_leakage.actual_voltage[data->vddc_leakage.count] = vddc; + data->vddc_leakage.leakage_id[data->vddc_leakage.count] = virtual_voltage_id; + data->vddc_leakage.count++; + } + } + } + } + + return 0; +} + +int tonga_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* enable SCLK dpm */ + if (0 == data->sclk_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_DPM_Enable)), + "Failed to enable SCLK DPM during DPM Start Function!", + return -1); + } + + /* enable MCLK dpm */ + if (0 == data->mclk_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_Enable)), + "Failed to enable MCLK DPM during DPM Start Function!", + return -1); + + PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, 0x05);/* CH0,1 read */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, 0x05);/* CH2,3 read */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, 0x100005);/*Read */ + + udelay(10); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, 0x400005);/* CH0,1 write */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, 0x400005);/* CH2,3 write */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, 0x500005);/* write */ + + } + + return 0; +} + +int tonga_start_dpm(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* enable general power management */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 1); + /* enable sclk deep sleep */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 1); + + /* prepare for PCIE DPM */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + + offsetof(SMU72_SoftRegisters, VoltageChangeTimeout), 0x1000); + + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, SWRST_COMMAND_1, RESETLC, 0x0); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_Voltage_Cntl_Enable)), + "Failed to enable voltage DPM during DPM Start Function!", + return -1); + + if (0 != tonga_enable_sclk_mclk_dpm(hwmgr)) { + PP_ASSERT_WITH_CODE(0, "Failed to enable Sclk DPM and Mclk DPM!", return -1); + } + + /* enable PCIE dpm */ + if (0 == data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_Enable)), + "Failed to enable pcie DPM during DPM Start Function!", + return -1 + ); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_Falcon_QuickTransition)) { + smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_EnableACDCGPIOInterrupt); + } + + return 0; +} + +int tonga_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* disable SCLK dpm */ + if (0 == data->sclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + PP_ASSERT_WITH_CODE( + (0 == tonga_is_dpm_running(hwmgr)), + "Trying to Disable SCLK DPM when DPM is disabled", + return -1 + ); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_DPM_Disable)), + "Failed to disable SCLK DPM during DPM stop Function!", + return -1); + } + + /* disable MCLK dpm */ + if (0 == data->mclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */ + PP_ASSERT_WITH_CODE( + (0 == tonga_is_dpm_running(hwmgr)), + "Trying to Disable MCLK DPM when DPM is disabled", + return -1 + ); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_Disable)), + "Failed to Disable MCLK DPM during DPM stop Function!", + return -1); + } + + return 0; +} + +int tonga_stop_dpm(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 0); + /* disable sclk deep sleep*/ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 0); + + /* disable PCIE dpm */ + if (0 == data->pcie_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + PP_ASSERT_WITH_CODE( + (0 == tonga_is_dpm_running(hwmgr)), + "Trying to Disable PCIE DPM when DPM is disabled", + return -1 + ); + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_Disable)), + "Failed to disable pcie DPM during DPM stop Function!", + return -1); + } + + if (0 != tonga_disable_sclk_mclk_dpm(hwmgr)) + PP_ASSERT_WITH_CODE(0, "Failed to disable Sclk DPM and Mclk DPM!", return -1); + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + PP_ASSERT_WITH_CODE( + (0 == tonga_is_dpm_running(hwmgr)), + "Trying to Disable Voltage CNTL when DPM is disabled", + return -1 + ); + + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_Voltage_Cntl_Disable)), + "Failed to disable voltage DPM during DPM stop Function!", + return -1); + + return 0; +} + +int tonga_enable_sclk_control(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, 0); + + return 0; +} + +/** + * Send a message to the SMC and return a parameter + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param msg: the message to send. + * @param parameter: pointer to the received parameter + * @return The response that came from the SMC. + */ +PPSMC_Result tonga_send_msg_to_smc_return_parameter( + struct pp_hwmgr *hwmgr, + PPSMC_Msg msg, + uint32_t *parameter) +{ + int result; + + result = smum_send_msg_to_smc(hwmgr->smumgr, msg); + + if ((0 == result) && parameter) { + *parameter = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + } + + return result; +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int tonga_dpm_force_state(struct pp_hwmgr *hwmgr, uint32_t n) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t level_mask = 1 << n; + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */ + PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr), + "Trying to force SCLK when DPM is disabled", return -1;); + if (0 == data->sclk_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)(PPSMC_MSG_SCLKDPM_SetEnabledMask), + level_mask) ? 0 : 1); + + return 0; +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int tonga_dpm_force_state_mclk(struct pp_hwmgr *hwmgr, uint32_t n) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t level_mask = 1 << n; + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */ + PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr), + "Trying to Force MCLK when DPM is disabled", return -1;); + if (0 == data->mclk_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)(PPSMC_MSG_MCLKDPM_SetEnabledMask), + level_mask) ? 0 : 1); + + return 0; +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int tonga_dpm_force_state_pcie(struct pp_hwmgr *hwmgr, uint32_t n) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr), + "Trying to Force PCIE level when DPM is disabled", return -1;); + if (0 == data->pcie_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)(PPSMC_MSG_PCIeDPM_ForceLevel), + n) ? 0 : 1); + + return 0; +} + +/** + * Set the initial state by calling SMC to switch to this state directly + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_set_boot_state(struct pp_hwmgr *hwmgr) +{ + /* + * SMC only stores one state that SW will ask to switch too, + * so we switch the the just uploaded one + */ + return (0 == tonga_disable_sclk_mclk_dpm(hwmgr)) ? 0 : 1; +} + +/** + * Get the location of various tables inside the FW image. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_process_firmware_header(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct tonga_smumgr *tonga_smu = (struct tonga_smumgr *)(hwmgr->smumgr->backend); + + uint32_t tmp; + int result; + bool error = 0; + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, DpmTable), + &tmp, data->sram_end); + + if (0 == result) { + data->dpm_table_start = tmp; + } + + error |= (0 != result); + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, SoftRegisters), + &tmp, data->sram_end); + + if (0 == result) { + data->soft_regs_start = tmp; + tonga_smu->ulSoftRegsStart = tmp; + } + + error |= (0 != result); + + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, mcRegisterTable), + &tmp, data->sram_end); + + if (0 == result) { + data->mc_reg_table_start = tmp; + } + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, FanTable), + &tmp, data->sram_end); + + if (0 == result) { + data->fan_table_start = tmp; + } + + error |= (0 != result); + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, mcArbDramTimingTable), + &tmp, data->sram_end); + + if (0 == result) { + data->arb_table_start = tmp; + } + + error |= (0 != result); + + + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_Firmware_Header, Version), + &tmp, data->sram_end); + + if (0 == result) { + hwmgr->microcode_version_info.SMC = tmp; + } + + error |= (0 != result); + + return error ? 1 : 0; +} + +/** + * Read clock related registers. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_read_clock_registers(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + data->clock_registers.vCG_SPLL_FUNC_CNTL = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL); + data->clock_registers.vCG_SPLL_FUNC_CNTL_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2); + data->clock_registers.vCG_SPLL_FUNC_CNTL_3 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_3); + data->clock_registers.vCG_SPLL_FUNC_CNTL_4 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM_2); + data->clock_registers.vDLL_CNTL = + cgs_read_register(hwmgr->device, mmDLL_CNTL); + data->clock_registers.vMCLK_PWRMGT_CNTL = + cgs_read_register(hwmgr->device, mmMCLK_PWRMGT_CNTL); + data->clock_registers.vMPLL_AD_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_AD_FUNC_CNTL); + data->clock_registers.vMPLL_DQ_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_DQ_FUNC_CNTL); + data->clock_registers.vMPLL_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL); + data->clock_registers.vMPLL_FUNC_CNTL_1 = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_1); + data->clock_registers.vMPLL_FUNC_CNTL_2 = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_2); + data->clock_registers.vMPLL_SS1 = + cgs_read_register(hwmgr->device, mmMPLL_SS1); + data->clock_registers.vMPLL_SS2 = + cgs_read_register(hwmgr->device, mmMPLL_SS2); + + return 0; +} + +/** + * Find out if memory is GDDR5. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_get_memory_type(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t temp; + + temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0); + + data->is_memory_GDDR5 = (MC_SEQ_MISC0_GDDR5_VALUE == + ((temp & MC_SEQ_MISC0_GDDR5_MASK) >> + MC_SEQ_MISC0_GDDR5_SHIFT)); + + return 0; +} + +/** + * Enables Dynamic Power Management by SMC + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_enable_acpi_power_management(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, STATIC_PM_EN, 1); + + return 0; +} + +/** + * Initialize PowerGating States for different engines + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_init_power_gate_state(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = 0; + data->vce_power_gated = 0; + data->samu_power_gated = 0; + data->acp_power_gated = 0; + data->pg_acp_init = 1; + + return 0; +} + +/** + * Checks if DPM is enabled + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_check_for_dpm_running(struct pp_hwmgr *hwmgr) +{ + /* + * We return the status of Voltage Control instead of checking SCLK/MCLK DPM + * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM, + * whereas voltage control is a fundemental change that will not be disabled + */ + return (0 == tonga_is_dpm_running(hwmgr) ? 0 : 1); +} + +/** + * Checks if DPM is stopped + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_check_for_dpm_stopped(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + if (0 != tonga_is_dpm_running(hwmgr)) { + /* If HW Virtualization is enabled, dpm_table_start will not have a valid value */ + if (!data->dpm_table_start) { + return 1; + } + } + + return 0; +} + +/** + * Remove repeated voltage values and create table with unique values. + * + * @param hwmgr the address of the powerplay hardware manager. + * @param voltage_table the pointer to changing voltage table + * @return 1 in success + */ + +static int tonga_trim_voltage_table(struct pp_hwmgr *hwmgr, + pp_atomctrl_voltage_table *voltage_table) +{ + uint32_t table_size, i, j; + uint16_t vvalue; + bool bVoltageFound = 0; + pp_atomctrl_voltage_table *table; + + PP_ASSERT_WITH_CODE((NULL != voltage_table), "Voltage Table empty.", return -1;); + table_size = sizeof(pp_atomctrl_voltage_table); + table = kzalloc(table_size, GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + memset(table, 0x00, table_size); + table->mask_low = voltage_table->mask_low; + table->phase_delay = voltage_table->phase_delay; + + for (i = 0; i < voltage_table->count; i++) { + vvalue = voltage_table->entries[i].value; + bVoltageFound = 0; + + for (j = 0; j < table->count; j++) { + if (vvalue == table->entries[j].value) { + bVoltageFound = 1; + break; + } + } + + if (!bVoltageFound) { + table->entries[table->count].value = vvalue; + table->entries[table->count].smio_low = + voltage_table->entries[i].smio_low; + table->count++; + } + } + + memcpy(table, voltage_table, sizeof(pp_atomctrl_voltage_table)); + + kfree(table); + + return 0; +} + +static int tonga_get_svi2_vdd_ci_voltage_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table *voltage_dependency_table) +{ + uint32_t i; + int result; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + pp_atomctrl_voltage_table *vddci_voltage_table = &(data->vddci_voltage_table); + + PP_ASSERT_WITH_CODE((0 != voltage_dependency_table->count), + "Voltage Dependency Table empty.", return -1;); + + vddci_voltage_table->mask_low = 0; + vddci_voltage_table->phase_delay = 0; + vddci_voltage_table->count = voltage_dependency_table->count; + + for (i = 0; i < voltage_dependency_table->count; i++) { + vddci_voltage_table->entries[i].value = + voltage_dependency_table->entries[i].vddci; + vddci_voltage_table->entries[i].smio_low = 0; + } + + result = tonga_trim_voltage_table(hwmgr, vddci_voltage_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim VDDCI table.", return result;); + + return 0; +} + + + +static int tonga_get_svi2_vdd_voltage_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *look_up_table, + pp_atomctrl_voltage_table *voltage_table) +{ + uint8_t i = 0; + + PP_ASSERT_WITH_CODE((0 != look_up_table->count), + "Voltage Lookup Table empty.", return -1;); + + voltage_table->mask_low = 0; + voltage_table->phase_delay = 0; + + voltage_table->count = look_up_table->count; + + for (i = 0; i < voltage_table->count; i++) { + voltage_table->entries[i].value = look_up_table->entries[i].us_vdd; + voltage_table->entries[i].smio_low = 0; + } + + return 0; +} + +/* + * -------------------------------------------------------- Voltage Tables -------------------------------------------------------------------------- + * If the voltage table would be bigger than what will fit into the state table on the SMC keep only the higher entries. + */ + +static void tonga_trim_voltage_table_to_fit_state_table( + struct pp_hwmgr *hwmgr, + uint32_t max_voltage_steps, + pp_atomctrl_voltage_table *voltage_table) +{ + unsigned int i, diff; + + if (voltage_table->count <= max_voltage_steps) { + return; + } + + diff = voltage_table->count - max_voltage_steps; + + for (i = 0; i < max_voltage_steps; i++) { + voltage_table->entries[i] = voltage_table->entries[i + diff]; + } + + voltage_table->count = max_voltage_steps; + + return; +} + +/** + * Create Voltage Tables. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_construct_voltage_tables(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + int result; + + /* MVDD has only GPIO voltage control */ + if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT, &(data->mvdd_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve MVDD table.", return result;); + } + + if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) { + /* GPIO voltage */ + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT, &(data->vddci_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve VDDCI table.", return result;); + } else if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) { + /* SVI2 voltage */ + result = tonga_get_svi2_vdd_ci_voltage_table(hwmgr, + pptable_info->vdd_dep_on_mclk); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDCI table from dependancy table.", return result;); + } + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) { + /* VDDGFX has only SVI2 voltage control */ + result = tonga_get_svi2_vdd_voltage_table(hwmgr, + pptable_info->vddgfx_lookup_table, &(data->vddgfx_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDGFX table from lookup table.", return result;); + } + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + /* VDDC has only SVI2 voltage control */ + result = tonga_get_svi2_vdd_voltage_table(hwmgr, + pptable_info->vddc_lookup_table, &(data->vddc_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDC table from lookup table.", return result;); + } + + PP_ASSERT_WITH_CODE( + (data->vddc_voltage_table.count <= (SMU72_MAX_LEVELS_VDDC)), + "Too many voltage values for VDDC. Trimming to fit state table.", + tonga_trim_voltage_table_to_fit_state_table(hwmgr, + SMU72_MAX_LEVELS_VDDC, &(data->vddc_voltage_table)); + ); + + PP_ASSERT_WITH_CODE( + (data->vddgfx_voltage_table.count <= (SMU72_MAX_LEVELS_VDDGFX)), + "Too many voltage values for VDDGFX. Trimming to fit state table.", + tonga_trim_voltage_table_to_fit_state_table(hwmgr, + SMU72_MAX_LEVELS_VDDGFX, &(data->vddgfx_voltage_table)); + ); + + PP_ASSERT_WITH_CODE( + (data->vddci_voltage_table.count <= (SMU72_MAX_LEVELS_VDDCI)), + "Too many voltage values for VDDCI. Trimming to fit state table.", + tonga_trim_voltage_table_to_fit_state_table(hwmgr, + SMU72_MAX_LEVELS_VDDCI, &(data->vddci_voltage_table)); + ); + + PP_ASSERT_WITH_CODE( + (data->mvdd_voltage_table.count <= (SMU72_MAX_LEVELS_MVDD)), + "Too many voltage values for MVDD. Trimming to fit state table.", + tonga_trim_voltage_table_to_fit_state_table(hwmgr, + SMU72_MAX_LEVELS_MVDD, &(data->mvdd_voltage_table)); + ); + + return 0; +} + +/** + * Vddc table preparation for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ +static int tonga_populate_smc_vddc_table(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + unsigned int count; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + table->VddcLevelCount = data->vddc_voltage_table.count; + for (count = 0; count < table->VddcLevelCount; count++) { + table->VddcTable[count] = + PP_HOST_TO_SMC_US(data->vddc_voltage_table.entries[count].value * VOLTAGE_SCALE); + } + CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount); + } + return 0; +} + +/** + * VddGfx table preparation for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ +static int tonga_populate_smc_vdd_gfx_table(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + unsigned int count; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) { + table->VddGfxLevelCount = data->vddgfx_voltage_table.count; + for (count = 0; count < data->vddgfx_voltage_table.count; count++) { + table->VddGfxTable[count] = + PP_HOST_TO_SMC_US(data->vddgfx_voltage_table.entries[count].value * VOLTAGE_SCALE); + } + CONVERT_FROM_HOST_TO_SMC_UL(table->VddGfxLevelCount); + } + return 0; +} + +/** + * Vddci table preparation for SMC. + * + * @param *hwmgr The address of the hardware manager. + * @param *table The SMC DPM table structure to be populated. + * @return 0 + */ +static int tonga_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t count; + + table->VddciLevelCount = data->vddci_voltage_table.count; + for (count = 0; count < table->VddciLevelCount; count++) { + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) { + table->VddciTable[count] = + PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE); + } else if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) { + table->SmioTable1.Pattern[count].Voltage = + PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE); + /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level. */ + table->SmioTable1.Pattern[count].Smio = + (uint8_t) count; + table->Smio[count] |= + data->vddci_voltage_table.entries[count].smio_low; + table->VddciTable[count] = + PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE); + } + } + + table->SmioMask1 = data->vddci_voltage_table.mask_low; + CONVERT_FROM_HOST_TO_SMC_UL(table->VddciLevelCount); + + return 0; +} + +/** + * Mvdd table preparation for SMC. + * + * @param *hwmgr The address of the hardware manager. + * @param *table The SMC DPM table structure to be populated. + * @return 0 + */ +static int tonga_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t count; + + if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + table->MvddLevelCount = data->mvdd_voltage_table.count; + for (count = 0; count < table->MvddLevelCount; count++) { + table->SmioTable2.Pattern[count].Voltage = + PP_HOST_TO_SMC_US(data->mvdd_voltage_table.entries[count].value * VOLTAGE_SCALE); + /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level.*/ + table->SmioTable2.Pattern[count].Smio = + (uint8_t) count; + table->Smio[count] |= + data->mvdd_voltage_table.entries[count].smio_low; + } + table->SmioMask2 = data->vddci_voltage_table.mask_low; + + CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount); + } + + return 0; +} + +/** + * Convert a voltage value in mv unit to VID number required by SMU firmware + */ +static uint8_t convert_to_vid(uint16_t vddc) +{ + return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25); +} + + +/** + * Preparation of vddc and vddgfx CAC tables for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ +static int tonga_populate_cac_tables(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + uint32_t count; + uint8_t index; + int result = 0; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct phm_ppt_v1_voltage_lookup_table *vddgfx_lookup_table = pptable_info->vddgfx_lookup_table; + struct phm_ppt_v1_voltage_lookup_table *vddc_lookup_table = pptable_info->vddc_lookup_table; + + /* pTables is already swapped, so in order to use the value from it, we need to swap it back. */ + uint32_t vddcLevelCount = PP_SMC_TO_HOST_UL(table->VddcLevelCount); + uint32_t vddgfxLevelCount = PP_SMC_TO_HOST_UL(table->VddGfxLevelCount); + + for (count = 0; count < vddcLevelCount; count++) { + /* We are populating vddc CAC data to BapmVddc table in split and merged mode */ + index = tonga_get_voltage_index(vddc_lookup_table, + data->vddc_voltage_table.entries[count].value); + table->BapmVddcVidLoSidd[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_low); + table->BapmVddcVidHiSidd[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_mid); + table->BapmVddcVidHiSidd2[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_high); + } + + if ((data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2)) { + /* We are populating vddgfx CAC data to BapmVddgfx table in split mode */ + for (count = 0; count < vddgfxLevelCount; count++) { + index = tonga_get_voltage_index(vddgfx_lookup_table, + data->vddgfx_voltage_table.entries[count].value); + table->BapmVddGfxVidLoSidd[count] = + convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_low); + table->BapmVddGfxVidHiSidd[count] = + convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_mid); + table->BapmVddGfxVidHiSidd2[count] = + convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_high); + } + } else { + for (count = 0; count < vddcLevelCount; count++) { + index = tonga_get_voltage_index(vddc_lookup_table, + data->vddc_voltage_table.entries[count].value); + table->BapmVddGfxVidLoSidd[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_low); + table->BapmVddGfxVidHiSidd[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_mid); + table->BapmVddGfxVidHiSidd2[count] = + convert_to_vid(vddc_lookup_table->entries[index].us_cac_high); + } + } + + return result; +} + + +/** + * Preparation of voltage tables for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ + +int tonga_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result; + + result = tonga_populate_smc_vddc_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate VDDC voltage table to SMC", return -1); + + result = tonga_populate_smc_vdd_ci_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate VDDCI voltage table to SMC", return -1); + + result = tonga_populate_smc_vdd_gfx_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate VDDGFX voltage table to SMC", return -1); + + result = tonga_populate_smc_mvdd_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate MVDD voltage table to SMC", return -1); + + result = tonga_populate_cac_tables(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate CAC voltage tables to SMC", return -1); + + return 0; +} + +/** + * Populates the SMC VRConfig field in DPM table. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ +static int tonga_populate_vr_config(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint16_t config; + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) { + /* Splitted mode */ + config = VR_SVI2_PLANE_1; + table->VRConfig |= (config<<VRCONF_VDDGFX_SHIFT); + + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + config = VR_SVI2_PLANE_2; + table->VRConfig |= config; + } else { + printk(KERN_ERR "[ powerplay ] VDDC and VDDGFX should be both on SVI2 control in splitted mode! \n"); + } + } else { + /* Merged mode */ + config = VR_MERGED_WITH_VDDC; + table->VRConfig |= (config<<VRCONF_VDDGFX_SHIFT); + + /* Set Vddc Voltage Controller */ + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + config = VR_SVI2_PLANE_1; + table->VRConfig |= config; + } else { + printk(KERN_ERR "[ powerplay ] VDDC should be on SVI2 control in merged mode! \n"); + } + } + + /* Set Vddci Voltage Controller */ + if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) { + config = VR_SVI2_PLANE_2; /* only in merged mode */ + table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT); + } else if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) { + config = VR_SMIO_PATTERN_1; + table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT); + } + + /* Set Mvdd Voltage Controller */ + if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + config = VR_SMIO_PATTERN_2; + table->VRConfig |= (config<<VRCONF_MVDD_SHIFT); + } + + return 0; +} + +static int tonga_get_dependecy_volt_by_clk(struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table *allowed_clock_voltage_table, + uint32_t clock, SMU_VoltageLevel *voltage, uint32_t *mvdd) +{ + uint32_t i = 0; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + /* clock - voltage dependency table is empty table */ + if (allowed_clock_voltage_table->count == 0) + return -1; + + for (i = 0; i < allowed_clock_voltage_table->count; i++) { + /* find first sclk bigger than request */ + if (allowed_clock_voltage_table->entries[i].clk >= clock) { + voltage->VddGfx = tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + allowed_clock_voltage_table->entries[i].vddgfx); + + voltage->Vddc = tonga_get_voltage_index(pptable_info->vddc_lookup_table, + allowed_clock_voltage_table->entries[i].vddc); + + if (allowed_clock_voltage_table->entries[i].vddci) { + voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table, + allowed_clock_voltage_table->entries[i].vddci); + } else { + voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table, + allowed_clock_voltage_table->entries[i].vddc - data->vddc_vddci_delta); + } + + if (allowed_clock_voltage_table->entries[i].mvdd) { + *mvdd = (uint32_t) allowed_clock_voltage_table->entries[i].mvdd; + } + + voltage->Phases = 1; + return 0; + } + } + + /* sclk is bigger than max sclk in the dependence table */ + voltage->VddGfx = tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + allowed_clock_voltage_table->entries[i-1].vddgfx); + voltage->Vddc = tonga_get_voltage_index(pptable_info->vddc_lookup_table, + allowed_clock_voltage_table->entries[i-1].vddc); + + if (allowed_clock_voltage_table->entries[i-1].vddci) { + voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table, + allowed_clock_voltage_table->entries[i-1].vddci); + } + if (allowed_clock_voltage_table->entries[i-1].mvdd) { + *mvdd = (uint32_t) allowed_clock_voltage_table->entries[i-1].mvdd; + } + + return 0; +} + +/** + * Call SMC to reset S0/S1 to S1 and Reset SMIO to initial value + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_reset_to_default(struct pp_hwmgr *hwmgr) +{ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_ResetToDefaults) == 0) ? 0 : 1; +} + +int tonga_populate_memory_timing_parameters( + struct pp_hwmgr *hwmgr, + uint32_t engine_clock, + uint32_t memory_clock, + struct SMU72_Discrete_MCArbDramTimingTableEntry *arb_regs + ) +{ + uint32_t dramTiming; + uint32_t dramTiming2; + uint32_t burstTime; + int result; + + result = atomctrl_set_engine_dram_timings_rv770(hwmgr, + engine_clock, memory_clock); + + PP_ASSERT_WITH_CODE(result == 0, + "Error calling VBIOS to set DRAM_TIMING.", return result); + + dramTiming = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0); + + arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dramTiming); + arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2); + arb_regs->McArbBurstTime = (uint8_t)burstTime; + + return 0; +} + +/** + * Setup parameters for the MC ARB. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + * This function is to be called from the SetPowerState table. + */ +int tonga_program_memory_timing_parameters(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + int result = 0; + SMU72_Discrete_MCArbDramTimingTable arb_regs; + uint32_t i, j; + + memset(&arb_regs, 0x00, sizeof(SMU72_Discrete_MCArbDramTimingTable)); + + for (i = 0; i < data->dpm_table.sclk_table.count; i++) { + for (j = 0; j < data->dpm_table.mclk_table.count; j++) { + result = tonga_populate_memory_timing_parameters + (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value, + data->dpm_table.mclk_table.dpm_levels[j].value, + &arb_regs.entries[i][j]); + + if (0 != result) { + break; + } + } + } + + if (0 == result) { + result = tonga_copy_bytes_to_smc( + hwmgr->smumgr, + data->arb_table_start, + (uint8_t *)&arb_regs, + sizeof(SMU72_Discrete_MCArbDramTimingTable), + data->sram_end + ); + } + + return result; +} + +static int tonga_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU72_Discrete_DpmTable *table) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct tonga_dpm_table *dpm_table = &data->dpm_table; + uint32_t i; + + /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */ + for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) { + table->LinkLevel[i].PcieGenSpeed = + (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value; + table->LinkLevel[i].PcieLaneCount = + (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1); + table->LinkLevel[i].EnabledForActivity = + 1; + table->LinkLevel[i].SPC = + (uint8_t)(data->pcie_spc_cap & 0xff); + table->LinkLevel[i].DownThreshold = + PP_HOST_TO_SMC_UL(5); + table->LinkLevel[i].UpThreshold = + PP_HOST_TO_SMC_UL(30); + } + + data->smc_state_table.LinkLevelCount = + (uint8_t)dpm_table->pcie_speed_table.count; + data->dpm_level_enable_mask.pcie_dpm_enable_mask = + tonga_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table); + + return 0; +} + +static int tonga_populate_smc_uvd_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + + uint8_t count; + pp_atomctrl_clock_dividers_vi dividers; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + table->UvdLevelCount = (uint8_t) (mm_table->count); + table->UvdBootLevel = 0; + + for (count = 0; count < table->UvdLevelCount; count++) { + table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk; + table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk; + table->UvdLevel[count].MinVoltage.Vddc = + tonga_get_voltage_index(pptable_info->vddc_lookup_table, + mm_table->entries[count].vddc); + table->UvdLevel[count].MinVoltage.VddGfx = + (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ? + tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + mm_table->entries[count].vddgfx) : 0; + table->UvdLevel[count].MinVoltage.Vddci = + tonga_get_voltage_id(&data->vddci_voltage_table, + mm_table->entries[count].vddc - data->vddc_vddci_delta); + table->UvdLevel[count].MinVoltage.Phases = 1; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->UvdLevel[count].VclkFrequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for Vclk clock", return result); + + table->UvdLevel[count].VclkDivider = (uint8_t)dividers.pll_post_divider; + + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->UvdLevel[count].DclkFrequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for Dclk clock", return result); + + table->UvdLevel[count].DclkDivider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].VclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].DclkFrequency); + //CONVERT_FROM_HOST_TO_SMC_UL((uint32_t)table->UvdLevel[count].MinVoltage); + } + + return result; + +} + +static int tonga_populate_smc_vce_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + + uint8_t count; + pp_atomctrl_clock_dividers_vi dividers; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + table->VceLevelCount = (uint8_t) (mm_table->count); + table->VceBootLevel = 0; + + for (count = 0; count < table->VceLevelCount; count++) { + table->VceLevel[count].Frequency = + mm_table->entries[count].eclk; + table->VceLevel[count].MinVoltage.Vddc = + tonga_get_voltage_index(pptable_info->vddc_lookup_table, + mm_table->entries[count].vddc); + table->VceLevel[count].MinVoltage.VddGfx = + (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ? + tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + mm_table->entries[count].vddgfx) : 0; + table->VceLevel[count].MinVoltage.Vddci = + tonga_get_voltage_id(&data->vddci_voltage_table, + mm_table->entries[count].vddc - data->vddc_vddci_delta); + table->VceLevel[count].MinVoltage.Phases = 1; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->VceLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for VCE engine clock", return result); + + table->VceLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].Frequency); + } + + return result; +} + +static int tonga_populate_smc_acp_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + uint8_t count; + pp_atomctrl_clock_dividers_vi dividers; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + table->AcpLevelCount = (uint8_t) (mm_table->count); + table->AcpBootLevel = 0; + + for (count = 0; count < table->AcpLevelCount; count++) { + table->AcpLevel[count].Frequency = + pptable_info->mm_dep_table->entries[count].aclk; + table->AcpLevel[count].MinVoltage.Vddc = + tonga_get_voltage_index(pptable_info->vddc_lookup_table, + mm_table->entries[count].vddc); + table->AcpLevel[count].MinVoltage.VddGfx = + (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ? + tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + mm_table->entries[count].vddgfx) : 0; + table->AcpLevel[count].MinVoltage.Vddci = + tonga_get_voltage_id(&data->vddci_voltage_table, + mm_table->entries[count].vddc - data->vddc_vddci_delta); + table->AcpLevel[count].MinVoltage.Phases = 1; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->AcpLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for engine clock", return result); + + table->AcpLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->AcpLevel[count].Frequency); + } + + return result; +} + +static int tonga_populate_smc_samu_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + uint8_t count; + pp_atomctrl_clock_dividers_vi dividers; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + table->SamuBootLevel = 0; + table->SamuLevelCount = (uint8_t) (mm_table->count); + + for (count = 0; count < table->SamuLevelCount; count++) { + /* not sure whether we need evclk or not */ + table->SamuLevel[count].Frequency = + pptable_info->mm_dep_table->entries[count].samclock; + table->SamuLevel[count].MinVoltage.Vddc = + tonga_get_voltage_index(pptable_info->vddc_lookup_table, + mm_table->entries[count].vddc); + table->SamuLevel[count].MinVoltage.VddGfx = + (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ? + tonga_get_voltage_index(pptable_info->vddgfx_lookup_table, + mm_table->entries[count].vddgfx) : 0; + table->SamuLevel[count].MinVoltage.Vddci = + tonga_get_voltage_id(&data->vddci_voltage_table, + mm_table->entries[count].vddc - data->vddc_vddci_delta); + table->SamuLevel[count].MinVoltage.Phases = 1; + + /* retrieve divider value for VBIOS */ + result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, + table->SamuLevel[count].Frequency, ÷rs); + PP_ASSERT_WITH_CODE((0 == result), + "can not find divide id for samu clock", return result); + + table->SamuLevel[count].Divider = (uint8_t)dividers.pll_post_divider; + + CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].Frequency); + } + + return result; +} + +/** + * Populates the SMC MCLK structure using the provided memory clock + * + * @param hwmgr the address of the hardware manager + * @param memory_clock the memory clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +static int tonga_calculate_mclk_params( + struct pp_hwmgr *hwmgr, + uint32_t memory_clock, + SMU72_Discrete_MemoryLevel *mclk, + bool strobe_mode, + bool dllStateOn + ) +{ + const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + uint32_t dll_cntl = data->clock_registers.vDLL_CNTL; + uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL; + uint32_t mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL; + uint32_t mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL; + uint32_t mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL; + uint32_t mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1; + uint32_t mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2; + uint32_t mpll_ss1 = data->clock_registers.vMPLL_SS1; + uint32_t mpll_ss2 = data->clock_registers.vMPLL_SS2; + + pp_atomctrl_memory_clock_param mpll_param; + int result; + + result = atomctrl_get_memory_pll_dividers_si(hwmgr, + memory_clock, &mpll_param, strobe_mode); + PP_ASSERT_WITH_CODE(0 == result, + "Error retrieving Memory Clock Parameters from VBIOS.", return result); + + /* MPLL_FUNC_CNTL setup*/ + mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl); + + /* MPLL_FUNC_CNTL_1 setup*/ + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf); + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac); + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode); + + /* MPLL_AD_FUNC_CNTL setup*/ + mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl, + MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider); + + if (data->is_memory_GDDR5) { + /* MPLL_DQ_FUNC_CNTL setup*/ + mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl, + MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel); + mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl, + MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MemorySpreadSpectrumSupport)) { + /* + ************************************ + Fref = Reference Frequency + NF = Feedback divider ratio + NR = Reference divider ratio + Fnom = Nominal VCO output frequency = Fref * NF / NR + Fs = Spreading Rate + D = Percentage down-spread / 2 + Fint = Reference input frequency to PFD = Fref / NR + NS = Spreading rate divider ratio = int(Fint / (2 * Fs)) + CLKS = NS - 1 = ISS_STEP_NUM[11:0] + NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2) + CLKV = 65536 * NV = ISS_STEP_SIZE[25:0] + ************************************* + */ + pp_atomctrl_internal_ss_info ss_info; + uint32_t freq_nom; + uint32_t tmp; + uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr); + + /* for GDDR5 for all modes and DDR3 */ + if (1 == mpll_param.qdr) + freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider); + else + freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider); + + /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2 Note: S.I. reference_divider = 1*/ + tmp = (freq_nom / reference_clock); + tmp = tmp * tmp; + + if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) { + /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */ + /* ss.Info.speed_spectrum_rate -- in unit of khz */ + /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */ + /* = reference_clock * 5 / speed_spectrum_rate */ + uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate; + + /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */ + /* = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */ + uint32_t clkv = + (uint32_t)((((131 * ss_info.speed_spectrum_percentage * + ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom); + + mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv); + mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks); + } + } + + /* MCLK_PWRMGT_CNTL setup */ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn); + + + /* Save the result data to outpupt memory level structure */ + mclk->MclkFrequency = memory_clock; + mclk->MpllFuncCntl = mpll_func_cntl; + mclk->MpllFuncCntl_1 = mpll_func_cntl_1; + mclk->MpllFuncCntl_2 = mpll_func_cntl_2; + mclk->MpllAdFuncCntl = mpll_ad_func_cntl; + mclk->MpllDqFuncCntl = mpll_dq_func_cntl; + mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl; + mclk->DllCntl = dll_cntl; + mclk->MpllSs1 = mpll_ss1; + mclk->MpllSs2 = mpll_ss2; + + return 0; +} + +static uint8_t tonga_get_mclk_frequency_ratio(uint32_t memory_clock, + bool strobe_mode) +{ + uint8_t mc_para_index; + + if (strobe_mode) { + if (memory_clock < 12500) { + mc_para_index = 0x00; + } else if (memory_clock > 47500) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 10000) / 2500); + } + } else { + if (memory_clock < 65000) { + mc_para_index = 0x00; + } else if (memory_clock > 135000) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 60000) / 5000); + } + } + + return mc_para_index; +} + +static uint8_t tonga_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock) +{ + uint8_t mc_para_index; + + if (memory_clock < 10000) { + mc_para_index = 0; + } else if (memory_clock >= 80000) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1); + } + + return mc_para_index; +} + +static int tonga_populate_single_memory_level( + struct pp_hwmgr *hwmgr, + uint32_t memory_clock, + SMU72_Discrete_MemoryLevel *memory_level + ) +{ + uint32_t minMvdd = 0; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + int result = 0; + bool dllStateOn; + struct cgs_display_info info = {0}; + + + if (NULL != pptable_info->vdd_dep_on_mclk) { + result = tonga_get_dependecy_volt_by_clk(hwmgr, + pptable_info->vdd_dep_on_mclk, memory_clock, &memory_level->MinVoltage, &minMvdd); + PP_ASSERT_WITH_CODE((0 == result), + "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result); + } + + if (data->mvdd_control == TONGA_VOLTAGE_CONTROL_NONE) { + memory_level->MinMvdd = data->vbios_boot_state.mvdd_bootup_value; + } else { + memory_level->MinMvdd = minMvdd; + } + memory_level->EnabledForThrottle = 1; + memory_level->EnabledForActivity = 0; + memory_level->UpHyst = 0; + memory_level->DownHyst = 100; + memory_level->VoltageDownHyst = 0; + + /* Indicates maximum activity level for this performance level.*/ + memory_level->ActivityLevel = (uint16_t)data->mclk_activity_target; + memory_level->StutterEnable = 0; + memory_level->StrobeEnable = 0; + memory_level->EdcReadEnable = 0; + memory_level->EdcWriteEnable = 0; + memory_level->RttEnable = 0; + + /* default set to low watermark. Highest level will be set to high later.*/ + memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + cgs_get_active_displays_info(hwmgr->device, &info); + data->display_timing.num_existing_displays = info.display_count; + + if ((data->mclk_stutter_mode_threshold != 0) && + (memory_clock <= data->mclk_stutter_mode_threshold) && + (data->is_uvd_enabled == 0) +#if defined(LINUX) + && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1) + && (data->display_timing.num_existing_displays <= 2) + && (data->display_timing.num_existing_displays != 0) +#endif + ) + memory_level->StutterEnable = 1; + + /* decide strobe mode*/ + memory_level->StrobeEnable = (data->mclk_strobe_mode_threshold != 0) && + (memory_clock <= data->mclk_strobe_mode_threshold); + + /* decide EDC mode and memory clock ratio*/ + if (data->is_memory_GDDR5) { + memory_level->StrobeRatio = tonga_get_mclk_frequency_ratio(memory_clock, + memory_level->StrobeEnable); + + if ((data->mclk_edc_enable_threshold != 0) && + (memory_clock > data->mclk_edc_enable_threshold)) { + memory_level->EdcReadEnable = 1; + } + + if ((data->mclk_edc_wr_enable_threshold != 0) && + (memory_clock > data->mclk_edc_wr_enable_threshold)) { + memory_level->EdcWriteEnable = 1; + } + + if (memory_level->StrobeEnable) { + if (tonga_get_mclk_frequency_ratio(memory_clock, 1) >= + ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf)) { + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0; + } else { + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0; + } + + } else { + dllStateOn = data->dll_defaule_on; + } + } else { + memory_level->StrobeRatio = + tonga_get_ddr3_mclk_frequency_ratio(memory_clock); + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0; + } + + result = tonga_calculate_mclk_params(hwmgr, + memory_clock, memory_level, memory_level->StrobeEnable, dllStateOn); + + if (0 == result) { + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinMvdd); + /* MCLK frequency in units of 10KHz*/ + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency); + /* Indicates maximum activity level for this performance level.*/ + CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2); + } + + return result; +} + +/** + * Populates the SMC MVDD structure using the provided memory clock. + * + * @param hwmgr the address of the hardware manager + * @param mclk the MCLK value to be used in the decision if MVDD should be high or low. + * @param voltage the SMC VOLTAGE structure to be populated + */ +int tonga_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk, SMIO_Pattern *smio_pattern) +{ + const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t i = 0; + + if (TONGA_VOLTAGE_CONTROL_NONE != data->mvdd_control) { + /* find mvdd value which clock is more than request */ + for (i = 0; i < pptable_info->vdd_dep_on_mclk->count; i++) { + if (mclk <= pptable_info->vdd_dep_on_mclk->entries[i].clk) { + /* Always round to higher voltage. */ + smio_pattern->Voltage = data->mvdd_voltage_table.entries[i].value; + break; + } + } + + PP_ASSERT_WITH_CODE(i < pptable_info->vdd_dep_on_mclk->count, + "MVDD Voltage is outside the supported range.", return -1); + + } else { + return -1; + } + + return 0; +} + + +static int tonga_populate_smv_acpi_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + pp_atomctrl_clock_dividers_vi dividers; + SMIO_Pattern voltage_level; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_2 = data->clock_registers.vCG_SPLL_FUNC_CNTL_2; + uint32_t dll_cntl = data->clock_registers.vDLL_CNTL; + uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL; + + /* The ACPI state should not do DPM on DC (or ever).*/ + table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC; + + table->ACPILevel.MinVoltage = data->smc_state_table.GraphicsLevel[0].MinVoltage; + + /* assign zero for now*/ + table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr); + + /* get the engine clock dividers for this clock value*/ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, + table->ACPILevel.SclkFrequency, ÷rs); + + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", return result); + + /* divider ID for required SCLK*/ + table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider; + table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + table->ACPILevel.DeepSleepDivId = 0; + + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_PWRON, 0); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_RESET, 1); + spll_func_cntl_2 = PHM_SET_FIELD(spll_func_cntl_2, + CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL, 4); + + table->ACPILevel.CgSpllFuncCntl = spll_func_cntl; + table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2; + table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + table->ACPILevel.CcPwrDynRm = 0; + table->ACPILevel.CcPwrDynRm1 = 0; + + + /* For various features to be enabled/disabled while this level is active.*/ + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags); + /* SCLK frequency in units of 10KHz*/ + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1); + + /* table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;*/ + table->MemoryACPILevel.MinVoltage = data->smc_state_table.MemoryLevel[0].MinVoltage; + + /* CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage);*/ + + if (0 == tonga_populate_mvdd_value(hwmgr, 0, &voltage_level)) + table->MemoryACPILevel.MinMvdd = + PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE); + else + table->MemoryACPILevel.MinMvdd = 0; + + /* Force reset on DLL*/ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1); + + /* Disable DLL in ACPIState*/ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0); + + /* Enable DLL bypass signal*/ + dll_cntl = PHM_SET_FIELD(dll_cntl, + DLL_CNTL, MRDCK0_BYPASS, 0); + dll_cntl = PHM_SET_FIELD(dll_cntl, + DLL_CNTL, MRDCK1_BYPASS, 0); + + table->MemoryACPILevel.DllCntl = + PP_HOST_TO_SMC_UL(dll_cntl); + table->MemoryACPILevel.MclkPwrmgtCntl = + PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl); + table->MemoryACPILevel.MpllAdFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL); + table->MemoryACPILevel.MpllDqFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL); + table->MemoryACPILevel.MpllFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL); + table->MemoryACPILevel.MpllFuncCntl_1 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1); + table->MemoryACPILevel.MpllFuncCntl_2 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2); + table->MemoryACPILevel.MpllSs1 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1); + table->MemoryACPILevel.MpllSs2 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2); + + table->MemoryACPILevel.EnabledForThrottle = 0; + table->MemoryACPILevel.EnabledForActivity = 0; + table->MemoryACPILevel.UpHyst = 0; + table->MemoryACPILevel.DownHyst = 100; + table->MemoryACPILevel.VoltageDownHyst = 0; + /* Indicates maximum activity level for this performance level.*/ + table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target); + + table->MemoryACPILevel.StutterEnable = 0; + table->MemoryACPILevel.StrobeEnable = 0; + table->MemoryACPILevel.EdcReadEnable = 0; + table->MemoryACPILevel.EdcWriteEnable = 0; + table->MemoryACPILevel.RttEnable = 0; + + return result; +} + +static int tonga_find_boot_level(struct tonga_single_dpm_table *table, uint32_t value, uint32_t *boot_level) +{ + int result = 0; + uint32_t i; + + for (i = 0; i < table->count; i++) { + if (value == table->dpm_levels[i].value) { + *boot_level = i; + result = 0; + } + } + return result; +} + +static int tonga_populate_smc_boot_level(struct pp_hwmgr *hwmgr, + SMU72_Discrete_DpmTable *table) +{ + int result = 0; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + table->GraphicsBootLevel = 0; /* 0 == DPM[0] (low), etc. */ + table->MemoryBootLevel = 0; /* 0 == DPM[0] (low), etc. */ + + /* find boot level from dpm table*/ + result = tonga_find_boot_level(&(data->dpm_table.sclk_table), + data->vbios_boot_state.sclk_bootup_value, + (uint32_t *)&(data->smc_state_table.GraphicsBootLevel)); + + if (0 != result) { + data->smc_state_table.GraphicsBootLevel = 0; + printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \ + in dependency table. Using Graphics DPM level 0!"); + result = 0; + } + + result = tonga_find_boot_level(&(data->dpm_table.mclk_table), + data->vbios_boot_state.mclk_bootup_value, + (uint32_t *)&(data->smc_state_table.MemoryBootLevel)); + + if (0 != result) { + data->smc_state_table.MemoryBootLevel = 0; + printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \ + in dependency table. Using Memory DPM level 0!"); + result = 0; + } + + table->BootVoltage.Vddc = + tonga_get_voltage_id(&(data->vddc_voltage_table), + data->vbios_boot_state.vddc_bootup_value); + table->BootVoltage.VddGfx = + tonga_get_voltage_id(&(data->vddgfx_voltage_table), + data->vbios_boot_state.vddgfx_bootup_value); + table->BootVoltage.Vddci = + tonga_get_voltage_id(&(data->vddci_voltage_table), + data->vbios_boot_state.vddci_bootup_value); + table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value; + + CONVERT_FROM_HOST_TO_SMC_US(table->BootMVdd); + + return result; +} + + +/** + * Calculates the SCLK dividers using the provided engine clock + * + * @param hwmgr the address of the hardware manager + * @param engine_clock the engine clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +int tonga_calculate_sclk_params(struct pp_hwmgr *hwmgr, + uint32_t engine_clock, SMU72_Discrete_GraphicsLevel *sclk) +{ + const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + pp_atomctrl_clock_dividers_vi dividers; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + uint32_t spll_func_cntl_4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + uint32_t cg_spll_spread_spectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t reference_clock; + uint32_t reference_divider; + uint32_t fbdiv; + int result; + + /* get the engine clock dividers for this clock value*/ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock, ÷rs); + + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", return result); + + /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/ + reference_clock = atomctrl_get_reference_clock(hwmgr); + + reference_divider = 1 + dividers.uc_pll_ref_div; + + /* low 14 bits is fraction and high 12 bits is divider*/ + fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF; + + /* SPLL_FUNC_CNTL setup*/ + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_PDIV_A, dividers.uc_pll_post_div); + + /* SPLL_FUNC_CNTL_3 setup*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, + CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv); + + /* set to use fractional accumulation*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, + CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EngineSpreadSpectrumSupport)) { + pp_atomctrl_internal_ss_info ss_info; + + uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div; + if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) { + /* + * ss_info.speed_spectrum_percentage -- in unit of 0.01% + * ss_info.speed_spectrum_rate -- in unit of khz + */ + /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */ + uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate); + + /* clkv = 2 * D * fbdiv / NS */ + uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000); + + cg_spll_spread_spectrum = + PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS); + cg_spll_spread_spectrum = + PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1); + cg_spll_spread_spectrum_2 = + PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV); + } + } + + sclk->SclkFrequency = engine_clock; + sclk->CgSpllFuncCntl3 = spll_func_cntl_3; + sclk->CgSpllFuncCntl4 = spll_func_cntl_4; + sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum; + sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2; + sclk->SclkDid = (uint8_t)dividers.pll_post_divider; + + return 0; +} + +/** + * Populates single SMC SCLK structure using the provided engine clock + * + * @param hwmgr the address of the hardware manager + * @param engine_clock the engine clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +static int tonga_populate_single_graphic_level(struct pp_hwmgr *hwmgr, uint32_t engine_clock, uint16_t sclk_activity_level_threshold, SMU72_Discrete_GraphicsLevel *graphic_level) +{ + int result; + uint32_t threshold; + uint32_t mvdd; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + result = tonga_calculate_sclk_params(hwmgr, engine_clock, graphic_level); + + + /* populate graphics levels*/ + result = tonga_get_dependecy_volt_by_clk(hwmgr, + pptable_info->vdd_dep_on_sclk, engine_clock, + &graphic_level->MinVoltage, &mvdd); + PP_ASSERT_WITH_CODE((0 == result), + "can not find VDDC voltage value for VDDC \ + engine clock dependency table", return result); + + /* SCLK frequency in units of 10KHz*/ + graphic_level->SclkFrequency = engine_clock; + + /* Indicates maximum activity level for this performance level. 50% for now*/ + graphic_level->ActivityLevel = sclk_activity_level_threshold; + + graphic_level->CcPwrDynRm = 0; + graphic_level->CcPwrDynRm1 = 0; + /* this level can be used if activity is high enough.*/ + graphic_level->EnabledForActivity = 0; + /* this level can be used for throttling.*/ + graphic_level->EnabledForThrottle = 1; + graphic_level->UpHyst = 0; + graphic_level->DownHyst = 0; + graphic_level->VoltageDownHyst = 0; + graphic_level->PowerThrottle = 0; + + threshold = engine_clock * data->fast_watemark_threshold / 100; +/* + *get the DAL clock. do it in funture. + PECI_GetMinClockSettings(hwmgr->peci, &minClocks); + data->display_timing.min_clock_insr = minClocks.engineClockInSR; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) + { + graphic_level->DeepSleepDivId = PhwTonga_GetSleepDividerIdFromClock(hwmgr, engine_clock, minClocks.engineClockInSR); + } +*/ + + /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/ + graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + if (0 == result) { + /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVoltage);*/ + /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases);*/ + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1); + } + + return result; +} + +/** + * Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states + * + * @param hwmgr the address of the hardware manager + */ +static int tonga_populate_all_graphic_levels(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + struct tonga_dpm_table *dpm_table = &data->dpm_table; + phm_ppt_v1_pcie_table *pcie_table = pptable_info->pcie_table; + uint8_t pcie_entry_count = (uint8_t) data->dpm_table.pcie_speed_table.count; + int result = 0; + uint32_t level_array_adress = data->dpm_table_start + + offsetof(SMU72_Discrete_DpmTable, GraphicsLevel); + uint32_t level_array_size = sizeof(SMU72_Discrete_GraphicsLevel) * + SMU72_MAX_LEVELS_GRAPHICS; /* 64 -> long; 32 -> int*/ + SMU72_Discrete_GraphicsLevel *levels = data->smc_state_table.GraphicsLevel; + uint32_t i, maxEntry; + uint8_t highest_pcie_level_enabled = 0, lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0, count = 0; + PECI_RegistryValue reg_value; + memset(levels, 0x00, level_array_size); + + for (i = 0; i < dpm_table->sclk_table.count; i++) { + result = tonga_populate_single_graphic_level(hwmgr, + dpm_table->sclk_table.dpm_levels[i].value, + (uint16_t)data->activity_target[i], + &(data->smc_state_table.GraphicsLevel[i])); + + if (0 != result) + return result; + + /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */ + if (i > 1) + data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0; + + if (0 == i) { + reg_value = 0; + if (reg_value != 0) + data->smc_state_table.GraphicsLevel[0].UpHyst = (uint8_t)reg_value; + } + + if (1 == i) { + reg_value = 0; + if (reg_value != 0) + data->smc_state_table.GraphicsLevel[1].UpHyst = (uint8_t)reg_value; + } + } + + /* Only enable level 0 for now. */ + data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1; + + /* set highest level watermark to high */ + if (dpm_table->sclk_table.count > 1) + data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark = + PPSMC_DISPLAY_WATERMARK_HIGH; + + data->smc_state_table.GraphicsDpmLevelCount = + (uint8_t)dpm_table->sclk_table.count; + data->dpm_level_enable_mask.sclk_dpm_enable_mask = + tonga_get_dpm_level_enable_mask_value(&dpm_table->sclk_table); + + if (pcie_table != NULL) { + PP_ASSERT_WITH_CODE((pcie_entry_count >= 1), + "There must be 1 or more PCIE levels defined in PPTable.", return -1); + maxEntry = pcie_entry_count - 1; /* for indexing, we need to decrement by 1.*/ + for (i = 0; i < dpm_table->sclk_table.count; i++) { + data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = + (uint8_t) ((i < maxEntry) ? i : maxEntry); + } + } else { + if (0 == data->dpm_level_enable_mask.pcie_dpm_enable_mask) + printk(KERN_ERR "[ powerplay ] Pcie Dpm Enablemask is 0!"); + + while (data->dpm_level_enable_mask.pcie_dpm_enable_mask && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1<<(highest_pcie_level_enabled+1))) != 0)) { + highest_pcie_level_enabled++; + } + + while (data->dpm_level_enable_mask.pcie_dpm_enable_mask && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1<<lowest_pcie_level_enabled)) == 0)) { + lowest_pcie_level_enabled++; + } + + while ((count < highest_pcie_level_enabled) && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1<<(lowest_pcie_level_enabled+1+count))) == 0)) { + count++; + } + mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ? + (lowest_pcie_level_enabled+1+count) : highest_pcie_level_enabled; + + + /* set pcieDpmLevel to highest_pcie_level_enabled*/ + for (i = 2; i < dpm_table->sclk_table.count; i++) { + data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled; + } + + /* set pcieDpmLevel to lowest_pcie_level_enabled*/ + data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled; + + /* set pcieDpmLevel to mid_pcie_level_enabled*/ + data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled; + } + /* level count will send to smc once at init smc table and never change*/ + result = tonga_copy_bytes_to_smc(hwmgr->smumgr, level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end); + + if (0 != result) + return result; + + return 0; +} + +/** + * Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states + * + * @param hwmgr the address of the hardware manager + */ + +static int tonga_populate_all_memory_levels(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct tonga_dpm_table *dpm_table = &data->dpm_table; + int result; + /* populate MCLK dpm table to SMU7 */ + uint32_t level_array_adress = data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, MemoryLevel); + uint32_t level_array_size = sizeof(SMU72_Discrete_MemoryLevel) * SMU72_MAX_LEVELS_MEMORY; + SMU72_Discrete_MemoryLevel *levels = data->smc_state_table.MemoryLevel; + uint32_t i; + + memset(levels, 0x00, level_array_size); + + for (i = 0; i < dpm_table->mclk_table.count; i++) { + PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value), + "can not populate memory level as memory clock is zero", return -1); + result = tonga_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value, + &(data->smc_state_table.MemoryLevel[i])); + if (0 != result) { + return result; + } + } + + /* Only enable level 0 for now.*/ + data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1; + + /* + * in order to prevent MC activity from stutter mode to push DPM up. + * the UVD change complements this by putting the MCLK in a higher state + * by default such that we are not effected by up threshold or and MCLK DPM latency. + */ + data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F; + CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.MemoryLevel[0].ActivityLevel); + + data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count; + data->dpm_level_enable_mask.mclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&dpm_table->mclk_table); + /* set highest level watermark to high*/ + data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH; + + /* level count will send to smc once at init smc table and never change*/ + result = tonga_copy_bytes_to_smc(hwmgr->smumgr, + level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end); + + if (0 != result) { + return result; + } + + return 0; +} + +struct TONGA_DLL_SPEED_SETTING { + uint16_t Min; /* Minimum Data Rate*/ + uint16_t Max; /* Maximum Data Rate*/ + uint32_t dll_speed; /* The desired DLL_SPEED setting*/ +}; + +static int tonga_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr) +{ + return 0; +} + +/* ---------------------------------------- ULV related functions ----------------------------------------------------*/ + + +static int tonga_reset_single_dpm_table( + struct pp_hwmgr *hwmgr, + struct tonga_single_dpm_table *dpm_table, + uint32_t count) +{ + uint32_t i; + if (!(count <= MAX_REGULAR_DPM_NUMBER)) + printk(KERN_ERR "[ powerplay ] Fatal error, can not set up single DPM \ + table entries to exceed max number! \n"); + + dpm_table->count = count; + for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) { + dpm_table->dpm_levels[i].enabled = 0; + } + + return 0; +} + +static void tonga_setup_pcie_table_entry( + struct tonga_single_dpm_table *dpm_table, + uint32_t index, uint32_t pcie_gen, + uint32_t pcie_lanes) +{ + dpm_table->dpm_levels[index].value = pcie_gen; + dpm_table->dpm_levels[index].param1 = pcie_lanes; + dpm_table->dpm_levels[index].enabled = 1; +} + +static int tonga_setup_default_pcie_tables(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_pcie_table *pcie_table = pptable_info->pcie_table; + uint32_t i, maxEntry; + + if (data->use_pcie_performance_levels && !data->use_pcie_power_saving_levels) { + data->pcie_gen_power_saving = data->pcie_gen_performance; + data->pcie_lane_power_saving = data->pcie_lane_performance; + } else if (!data->use_pcie_performance_levels && data->use_pcie_power_saving_levels) { + data->pcie_gen_performance = data->pcie_gen_power_saving; + data->pcie_lane_performance = data->pcie_lane_power_saving; + } + + tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.pcie_speed_table, SMU72_MAX_LEVELS_LINK); + + if (pcie_table != NULL) { + /* + * maxEntry is used to make sure we reserve one PCIE level for boot level (fix for A+A PSPP issue). + * If PCIE table from PPTable have ULV entry + 8 entries, then ignore the last entry. + */ + maxEntry = (SMU72_MAX_LEVELS_LINK < pcie_table->count) ? + SMU72_MAX_LEVELS_LINK : pcie_table->count; + for (i = 1; i < maxEntry; i++) { + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, i-1, + get_pcie_gen_support(data->pcie_gen_cap, pcie_table->entries[i].gen_speed), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + } + data->dpm_table.pcie_speed_table.count = maxEntry - 1; + } else { + /* Hardcode Pcie Table */ + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0, + get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1, + get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + data->dpm_table.pcie_speed_table.count = 6; + } + /* Populate last level for boot PCIE level, but do not increment count. */ + tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, + data->dpm_table.pcie_speed_table.count, + get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + + return 0; + +} + +/* + * This function is to initalize all DPM state tables for SMU7 based on the dependency table. + * Dynamic state patching function will then trim these state tables to the allowed range based + * on the power policy or external client requests, such as UVD request, etc. + */ +static int tonga_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t i; + + phm_ppt_v1_clock_voltage_dependency_table *allowed_vdd_sclk_table = + pptable_info->vdd_dep_on_sclk; + phm_ppt_v1_clock_voltage_dependency_table *allowed_vdd_mclk_table = + pptable_info->vdd_dep_on_mclk; + + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL, + "SCLK dependency table is missing. This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table->count >= 1, + "SCLK dependency table has to have is missing. This table is mandatory", return -1); + + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL, + "MCLK dependency table is missing. This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table->count >= 1, + "VMCLK dependency table has to have is missing. This table is mandatory", return -1); + + /* clear the state table to reset everything to default */ + memset(&(data->dpm_table), 0x00, sizeof(data->dpm_table)); + tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.sclk_table, SMU72_MAX_LEVELS_GRAPHICS); + tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.mclk_table, SMU72_MAX_LEVELS_MEMORY); + /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.VddcTable, SMU72_MAX_LEVELS_VDDC); */ + /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.vdd_gfx_table, SMU72_MAX_LEVELS_VDDGFX);*/ + /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.vdd_ci_table, SMU72_MAX_LEVELS_VDDCI);*/ + /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.mvdd_table, SMU72_MAX_LEVELS_MVDD);*/ + + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL, + "SCLK dependency table is missing. This table is mandatory", return -1); + /* Initialize Sclk DPM table based on allow Sclk values*/ + data->dpm_table.sclk_table.count = 0; + + for (i = 0; i < allowed_vdd_sclk_table->count; i++) { + if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value != + allowed_vdd_sclk_table->entries[i].clk) { + data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value = + allowed_vdd_sclk_table->entries[i].clk; + data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; to do */ + data->dpm_table.sclk_table.count++; + } + } + + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL, + "MCLK dependency table is missing. This table is mandatory", return -1); + /* Initialize Mclk DPM table based on allow Mclk values */ + data->dpm_table.mclk_table.count = 0; + for (i = 0; i < allowed_vdd_mclk_table->count; i++) { + if (i == 0 || data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count-1].value != + allowed_vdd_mclk_table->entries[i].clk) { + data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value = + allowed_vdd_mclk_table->entries[i].clk; + data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; */ + data->dpm_table.mclk_table.count++; + } + } + + /* Initialize Vddc DPM table based on allow Vddc values. And populate corresponding std values. */ + for (i = 0; i < allowed_vdd_sclk_table->count; i++) { + data->dpm_table.vddc_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].vddc; + /* tonga_hwmgr->dpm_table.VddcTable.dpm_levels[i].param1 = stdVoltageTable->entries[i].Leakage; */ + /* param1 is for corresponding std voltage */ + data->dpm_table.vddc_table.dpm_levels[i].enabled = 1; + } + data->dpm_table.vddc_table.count = allowed_vdd_sclk_table->count; + + if (NULL != allowed_vdd_mclk_table) { + /* Initialize Vddci DPM table based on allow Mclk values */ + for (i = 0; i < allowed_vdd_mclk_table->count; i++) { + data->dpm_table.vdd_ci_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].vddci; + data->dpm_table.vdd_ci_table.dpm_levels[i].enabled = 1; + data->dpm_table.mvdd_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].mvdd; + data->dpm_table.mvdd_table.dpm_levels[i].enabled = 1; + } + data->dpm_table.vdd_ci_table.count = allowed_vdd_mclk_table->count; + data->dpm_table.mvdd_table.count = allowed_vdd_mclk_table->count; + } + + /* setup PCIE gen speed levels*/ + tonga_setup_default_pcie_tables(hwmgr); + + /* save a copy of the default DPM table*/ + memcpy(&(data->golden_dpm_table), &(data->dpm_table), sizeof(struct tonga_dpm_table)); + + return 0; +} + +int tonga_populate_smc_initial_state(struct pp_hwmgr *hwmgr, + const struct tonga_power_state *bootState) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint8_t count, level; + + count = (uint8_t) (pptable_info->vdd_dep_on_sclk->count); + for (level = 0; level < count; level++) { + if (pptable_info->vdd_dep_on_sclk->entries[level].clk >= + bootState->performance_levels[0].engine_clock) { + data->smc_state_table.GraphicsBootLevel = level; + break; + } + } + + count = (uint8_t) (pptable_info->vdd_dep_on_mclk->count); + for (level = 0; level < count; level++) { + if (pptable_info->vdd_dep_on_mclk->entries[level].clk >= + bootState->performance_levels[0].memory_clock) { + data->smc_state_table.MemoryBootLevel = level; + break; + } + } + + return 0; +} + +/** + * Initializes the SMC table and uploads it + * + * @param hwmgr the address of the powerplay hardware manager. + * @param pInput the pointer to input data (PowerState) + * @return always 0 + */ +int tonga_init_smc_table(struct pp_hwmgr *hwmgr) +{ + int result; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + SMU72_Discrete_DpmTable *table = &(data->smc_state_table); + const phw_tonga_ulv_parm *ulv = &(data->ulv); + uint8_t i; + PECI_RegistryValue reg_value; + pp_atomctrl_gpio_pin_assignment gpio_pin_assignment; + + result = tonga_setup_default_dpm_tables(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to setup default DPM tables!", return result;); + memset(&(data->smc_state_table), 0x00, sizeof(data->smc_state_table)); + if (TONGA_VOLTAGE_CONTROL_NONE != data->voltage_control) { + tonga_populate_smc_voltage_tables(hwmgr, table); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition)) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StepVddc)) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; + } + + if (data->is_memory_GDDR5) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5; + } + + i = PHM_READ_FIELD(hwmgr->device, CC_MC_MAX_CHANNEL, NOOFCHAN); + + if (i == 1 || i == 0) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_12CHANNEL; + } + + if (ulv->ulv_supported && pptable_info->us_ulv_voltage_offset) { + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ULV state!", return result;); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_ULV_PARAMETER, ulv->ch_ulv_parameter); + } + + result = tonga_populate_smc_link_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Link Level!", return result;); + + result = tonga_populate_all_graphic_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Graphics Level!", return result;); + + result = tonga_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Memory Level!", return result;); + + result = tonga_populate_smv_acpi_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACPI Level!", return result;); + + result = tonga_populate_smc_vce_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize VCE Level!", return result;); + + result = tonga_populate_smc_acp_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACP Level!", return result;); + + result = tonga_populate_smc_samu_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize SAMU Level!", return result;); + + /* Since only the initial state is completely set up at this point (the other states are just copies of the boot state) we only */ + /* need to populate the ARB settings for the initial state. */ + result = tonga_program_memory_timing_parameters(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to Write ARB settings for the initial state.", return result;); + + result = tonga_populate_smc_uvd_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize UVD Level!", return result;); + + result = tonga_populate_smc_boot_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Boot Level!", return result;); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher)) { + result = tonga_populate_clock_stretcher_data_table(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate Clock Stretcher Data Table!", return result;); + } + table->GraphicsVoltageChangeEnable = 1; + table->GraphicsThermThrottleEnable = 1; + table->GraphicsInterval = 1; + table->VoltageInterval = 1; + table->ThermalInterval = 1; + table->TemperatureLimitHigh = + pptable_info->cac_dtp_table->usTargetOperatingTemp * + TONGA_Q88_FORMAT_CONVERSION_UNIT; + table->TemperatureLimitLow = + (pptable_info->cac_dtp_table->usTargetOperatingTemp - 1) * + TONGA_Q88_FORMAT_CONVERSION_UNIT; + table->MemoryVoltageChangeEnable = 1; + table->MemoryInterval = 1; + table->VoltageResponseTime = 0; + table->PhaseResponseTime = 0; + table->MemoryThermThrottleEnable = 1; + + /* + * Cail reads current link status and reports it as cap (we cannot change this due to some previous issues we had) + * SMC drops the link status to lowest level after enabling DPM by PowerPlay. After pnp or toggling CF, driver gets reloaded again + * but this time Cail reads current link status which was set to low by SMC and reports it as cap to powerplay + * To avoid it, we set PCIeBootLinkLevel to highest dpm level + */ + PP_ASSERT_WITH_CODE((1 <= data->dpm_table.pcie_speed_table.count), + "There must be 1 or more PCIE levels defined in PPTable.", + return -1); + + table->PCIeBootLinkLevel = (uint8_t) (data->dpm_table.pcie_speed_table.count); + + table->PCIeGenInterval = 1; + + result = tonga_populate_vr_config(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate VRConfig setting!", return result); + + table->ThermGpio = 17; + table->SclkStepSize = 0x4000; + + reg_value = 0; + if ((0 == reg_value) && + (0 == atomctrl_get_pp_assign_pin(hwmgr, + VDDC_VRHOT_GPIO_PINID, &gpio_pin_assignment))) { + table->VRHotGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } else { + table->VRHotGpio = TONGA_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } + + /* ACDC Switch GPIO */ + reg_value = 0; + if ((0 == reg_value) && + (0 == atomctrl_get_pp_assign_pin(hwmgr, + PP_AC_DC_SWITCH_GPIO_PINID, &gpio_pin_assignment))) { + table->AcDcGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } else { + table->AcDcGpio = TONGA_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_Falcon_QuickTransition); + + reg_value = 0; + if (1 == reg_value) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_Falcon_QuickTransition); + } + + reg_value = 0; + if ((0 == reg_value) && + (0 == atomctrl_get_pp_assign_pin(hwmgr, + THERMAL_INT_OUTPUT_GPIO_PINID, &gpio_pin_assignment))) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalOutGPIO); + + table->ThermOutGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift; + + table->ThermOutPolarity = + (0 == (cgs_read_register(hwmgr->device, mmGPIOPAD_A) & + (1 << gpio_pin_assignment.uc_gpio_pin_bit_shift))) ? 1:0; + + table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_ONLY; + + /* if required, combine VRHot/PCC with thermal out GPIO*/ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot) && + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CombinePCCWithThermalSignal)){ + table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_VRHOT; + } + } else { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalOutGPIO); + + table->ThermOutGpio = 17; + table->ThermOutPolarity = 1; + table->ThermOutMode = SMU7_THERM_OUT_MODE_DISABLE; + } + + for (i = 0; i < SMU72_MAX_ENTRIES_SMIO; i++) { + table->Smio[i] = PP_HOST_TO_SMC_UL(table->Smio[i]); + } + CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags); + CONVERT_FROM_HOST_TO_SMC_UL(table->VRConfig); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask1); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask2); + CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow); + CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime); + CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime); + + /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */ + result = tonga_copy_bytes_to_smc(hwmgr->smumgr, data->dpm_table_start + + offsetof(SMU72_Discrete_DpmTable, SystemFlags), + (uint8_t *)&(table->SystemFlags), + sizeof(SMU72_Discrete_DpmTable)-3 * sizeof(SMU72_PIDController), + data->sram_end); + + PP_ASSERT_WITH_CODE(0 == result, + "Failed to upload dpm data to SMC memory!", return result;); + + return result; +} + +/* Look up the voltaged based on DAL's requested level. and then send the requested VDDC voltage to SMC*/ +static void tonga_apply_dal_minimum_voltage_request(struct pp_hwmgr *hwmgr) +{ + return; +} + +int tonga_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr) +{ + PPSMC_Result result; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* Apply minimum voltage based on DAL's request level */ + tonga_apply_dal_minimum_voltage_request(hwmgr); + + if (0 == data->sclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + if (0 != tonga_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ] Trying to set Enable Mask when DPM is disabled \n"); + + if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)PPSMC_MSG_SCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Sclk Dpm enable Mask failed", return -1); + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + if (0 != tonga_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ] Trying to set Enable Mask when DPM is disabled \n"); + + if (0 != data->dpm_level_enable_mask.mclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)PPSMC_MSG_MCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.mclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Mclk Dpm enable Mask failed", return -1); + } + } + + return 0; +} + + +int tonga_force_dpm_highest(struct pp_hwmgr *hwmgr) +{ + uint32_t level, tmp; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + if (0 == data->pcie_dpm_key_disabled) { + /* PCIE */ + if (data->dpm_level_enable_mask.pcie_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_pcie(hwmgr, level)), + "force highest pcie dpm state failed!", return -1); + } + } + } + + if (0 == data->sclk_dpm_key_disabled) { + /* SCLK */ + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state(hwmgr, level)), + "force highest sclk dpm state failed!", return -1); + if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX) != level) + printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \ + Curr_Sclk_Index does not match the level \n"); + + } + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* MCLK */ + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_mclk(hwmgr, level)), + "force highest mclk dpm state failed!", return -1); + if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_MCLK_INDEX) != level) + printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \ + Curr_Mclk_Index does not match the level \n"); + } + } + } + + return 0; +} + +/** + * Find the MC microcode version and store it in the HwMgr struct + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr) +{ + cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F); + + hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA); + + return 0; +} + +/** + * Initialize Dynamic State Adjustment Rule Settings + * + * @param hwmgr the address of the powerplay hardware manager. + */ +int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr) +{ + uint32_t table_size; + struct phm_clock_voltage_dependency_table *table_clk_vlt; + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + hwmgr->dyn_state.mclk_sclk_ratio = 4; + hwmgr->dyn_state.sclk_mclk_delta = 15000; /* 150 MHz */ + hwmgr->dyn_state.vddc_vddci_delta = 200; /* 200mV */ + + /* initialize vddc_dep_on_dal_pwrl table */ + table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record); + table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + printk(KERN_ERR "[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n"); + return -ENOMEM; + } else { + table_clk_vlt->count = 4; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW; + table_clk_vlt->entries[1].v = 720; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL; + table_clk_vlt->entries[2].v = 810; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE; + table_clk_vlt->entries[3].v = 900; + pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + } + + return 0; +} + +static int tonga_set_private_var_based_on_pptale(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + phm_ppt_v1_clock_voltage_dependency_table *allowed_sclk_vdd_table = + pptable_info->vdd_dep_on_sclk; + phm_ppt_v1_clock_voltage_dependency_table *allowed_mclk_vdd_table = + pptable_info->vdd_dep_on_mclk; + + PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table != NULL, + "VDD dependency on SCLK table is missing. \ + This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table->count >= 1, + "VDD dependency on SCLK table has to have is missing. \ + This table is mandatory", return -1); + + PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table != NULL, + "VDD dependency on MCLK table is missing. \ + This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table->count >= 1, + "VDD dependency on MCLK table has to have is missing. \ + This table is mandatory", return -1); + + data->min_vddc_in_pp_table = (uint16_t)allowed_sclk_vdd_table->entries[0].vddc; + data->max_vddc_in_pp_table = (uint16_t)allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc; + + pptable_info->max_clock_voltage_on_ac.sclk = + allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].clk; + pptable_info->max_clock_voltage_on_ac.mclk = + allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].clk; + pptable_info->max_clock_voltage_on_ac.vddc = + allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc; + pptable_info->max_clock_voltage_on_ac.vddci = + allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].vddci; + + hwmgr->dyn_state.max_clock_voltage_on_ac.sclk = + pptable_info->max_clock_voltage_on_ac.sclk; + hwmgr->dyn_state.max_clock_voltage_on_ac.mclk = + pptable_info->max_clock_voltage_on_ac.mclk; + hwmgr->dyn_state.max_clock_voltage_on_ac.vddc = + pptable_info->max_clock_voltage_on_ac.vddc; + hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = + pptable_info->max_clock_voltage_on_ac.vddci; + + return 0; +} + +int tonga_unforce_dpm_levels(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + int result = 1; + + PP_ASSERT_WITH_CODE (0 == tonga_is_dpm_running(hwmgr), + "Trying to Unforce DPM when DPM is disabled. Returning without sending SMC message.", + return result); + + if (0 == data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc( + hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_UnForceLevel)), + "unforce pcie level failed!", + return -1); + } + + result = tonga_upload_dpm_level_enable_mask(hwmgr); + + return result; +} + +static uint32_t tonga_get_lowest_enable_level( + struct pp_hwmgr *hwmgr, uint32_t level_mask) +{ + uint32_t level = 0; + + while (0 == (level_mask & (1 << level))) + level++; + + return level; +} + +static int tonga_force_dpm_lowest(struct pp_hwmgr *hwmgr) +{ + uint32_t level; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + if (0 == data->pcie_dpm_key_disabled) { + /* PCIE */ + if (data->dpm_level_enable_mask.pcie_dpm_enable_mask != 0) { + level = tonga_get_lowest_enable_level(hwmgr, + data->dpm_level_enable_mask.pcie_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_pcie(hwmgr, level)), + "force lowest pcie dpm state failed!", return -1); + } + } + + if (0 == data->sclk_dpm_key_disabled) { + /* SCLK */ + if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + level = tonga_get_lowest_enable_level(hwmgr, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state(hwmgr, level)), + "force sclk dpm state failed!", return -1); + + if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX) != level) + printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \ + Curr_Sclk_Index does not match the level \n"); + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* MCLK */ + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask != 0) { + level = tonga_get_lowest_enable_level(hwmgr, + data->dpm_level_enable_mask.mclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_mclk(hwmgr, level)), + "force lowest mclk dpm state failed!", return -1); + if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_MCLK_INDEX) != level) + printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \ + Curr_Mclk_Index does not match the level \n"); + } + } + + return 0; +} + +static int tonga_patch_voltage_dependency_tables_with_lookup_table(struct pp_hwmgr *hwmgr) +{ + uint8_t entryId; + uint8_t voltageId; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk; + phm_ppt_v1_clock_voltage_dependency_table *mclk_table = pptable_info->vdd_dep_on_mclk; + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) { + for (entryId = 0; entryId < sclk_table->count; ++entryId) { + voltageId = sclk_table->entries[entryId].vddInd; + sclk_table->entries[entryId].vddgfx = + pptable_info->vddgfx_lookup_table->entries[voltageId].us_vdd; + } + } else { + for (entryId = 0; entryId < sclk_table->count; ++entryId) { + voltageId = sclk_table->entries[entryId].vddInd; + sclk_table->entries[entryId].vddc = + pptable_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + } + + for (entryId = 0; entryId < mclk_table->count; ++entryId) { + voltageId = mclk_table->entries[entryId].vddInd; + mclk_table->entries[entryId].vddc = + pptable_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + + for (entryId = 0; entryId < mm_table->count; ++entryId) { + voltageId = mm_table->entries[entryId].vddcInd; + mm_table->entries[entryId].vddc = + pptable_info->vddc_lookup_table->entries[voltageId].us_vdd; + } + + return 0; + +} + +static int tonga_calc_voltage_dependency_tables(struct pp_hwmgr *hwmgr) +{ + uint8_t entryId; + phm_ppt_v1_voltage_lookup_record v_record; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk; + phm_ppt_v1_clock_voltage_dependency_table *mclk_table = pptable_info->vdd_dep_on_mclk; + + if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) { + for (entryId = 0; entryId < sclk_table->count; ++entryId) { + if (sclk_table->entries[entryId].vdd_offset & (1 << 15)) + v_record.us_vdd = sclk_table->entries[entryId].vddgfx + + sclk_table->entries[entryId].vdd_offset - 0xFFFF; + else + v_record.us_vdd = sclk_table->entries[entryId].vddgfx + + sclk_table->entries[entryId].vdd_offset; + + sclk_table->entries[entryId].vddc = + v_record.us_cac_low = v_record.us_cac_mid = + v_record.us_cac_high = v_record.us_vdd; + + tonga_add_voltage(hwmgr, pptable_info->vddc_lookup_table, &v_record); + } + + for (entryId = 0; entryId < mclk_table->count; ++entryId) { + if (mclk_table->entries[entryId].vdd_offset & (1 << 15)) + v_record.us_vdd = mclk_table->entries[entryId].vddc + + mclk_table->entries[entryId].vdd_offset - 0xFFFF; + else + v_record.us_vdd = mclk_table->entries[entryId].vddc + + mclk_table->entries[entryId].vdd_offset; + + mclk_table->entries[entryId].vddgfx = v_record.us_cac_low = + v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd; + tonga_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record); + } + } + + return 0; + +} + +static int tonga_calc_mm_voltage_dependency_table(struct pp_hwmgr *hwmgr) +{ + uint32_t entryId; + phm_ppt_v1_voltage_lookup_record v_record; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table; + + if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) { + for (entryId = 0; entryId < mm_table->count; entryId++) { + if (mm_table->entries[entryId].vddgfx_offset & (1 << 15)) + v_record.us_vdd = mm_table->entries[entryId].vddc + + mm_table->entries[entryId].vddgfx_offset - 0xFFFF; + else + v_record.us_vdd = mm_table->entries[entryId].vddc + + mm_table->entries[entryId].vddgfx_offset; + + /* Add the calculated VDDGFX to the VDDGFX lookup table */ + mm_table->entries[entryId].vddgfx = v_record.us_cac_low = + v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd; + tonga_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record); + } + } + return 0; +} + + +/** + * Change virtual leakage voltage to actual value. + * + * @param hwmgr the address of the powerplay hardware manager. + * @param pointer to changing voltage + * @param pointer to leakage table + */ +static void tonga_patch_with_vdd_leakage(struct pp_hwmgr *hwmgr, + uint16_t *voltage, phw_tonga_leakage_voltage *pLeakageTable) +{ + uint32_t leakage_index; + + /* search for leakage voltage ID 0xff01 ~ 0xff08 */ + for (leakage_index = 0; leakage_index < pLeakageTable->count; leakage_index++) { + /* if this voltage matches a leakage voltage ID */ + /* patch with actual leakage voltage */ + if (pLeakageTable->leakage_id[leakage_index] == *voltage) { + *voltage = pLeakageTable->actual_voltage[leakage_index]; + break; + } + } + + if (*voltage > ATOM_VIRTUAL_VOLTAGE_ID0) + printk(KERN_ERR "[ powerplay ] Voltage value looks like a Leakage ID but it's not patched \n"); +} + +/** + * Patch voltage lookup table by EVV leakages. + * + * @param hwmgr the address of the powerplay hardware manager. + * @param pointer to voltage lookup table + * @param pointer to leakage table + * @return always 0 + */ +static int tonga_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + phw_tonga_leakage_voltage *pLeakageTable) +{ + uint32_t i; + + for (i = 0; i < lookup_table->count; i++) { + tonga_patch_with_vdd_leakage(hwmgr, + &lookup_table->entries[i].us_vdd, pLeakageTable); + } + + return 0; +} + +static int tonga_patch_clock_voltage_lomits_with_vddc_leakage(struct pp_hwmgr *hwmgr, + phw_tonga_leakage_voltage *pLeakageTable, uint16_t *Vddc) +{ + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + tonga_patch_with_vdd_leakage(hwmgr, (uint16_t *)Vddc, pLeakageTable); + hwmgr->dyn_state.max_clock_voltage_on_dc.vddc = + pptable_info->max_clock_voltage_on_dc.vddc; + + return 0; +} + +static int tonga_patch_clock_voltage_limits_with_vddgfx_leakage( + struct pp_hwmgr *hwmgr, phw_tonga_leakage_voltage *pLeakageTable, + uint16_t *Vddgfx) +{ + tonga_patch_with_vdd_leakage(hwmgr, (uint16_t *)Vddgfx, pLeakageTable); + return 0; +} + +int tonga_sort_lookup_table(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table) +{ + uint32_t table_size, i, j; + phm_ppt_v1_voltage_lookup_record tmp_voltage_lookup_record; + table_size = lookup_table->count; + + PP_ASSERT_WITH_CODE(0 != lookup_table->count, + "Lookup table is empty", return -1); + + /* Sorting voltages */ + for (i = 0; i < table_size - 1; i++) { + for (j = i + 1; j > 0; j--) { + if (lookup_table->entries[j].us_vdd < lookup_table->entries[j-1].us_vdd) { + tmp_voltage_lookup_record = lookup_table->entries[j-1]; + lookup_table->entries[j-1] = lookup_table->entries[j]; + lookup_table->entries[j] = tmp_voltage_lookup_record; + } + } + } + + return 0; +} + +static int tonga_complete_dependency_tables(struct pp_hwmgr *hwmgr) +{ + int result = 0; + int tmp_result; + tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) { + tmp_result = tonga_patch_lookup_table_with_leakage(hwmgr, + pptable_info->vddgfx_lookup_table, &(data->vddcgfx_leakage)); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_patch_clock_voltage_limits_with_vddgfx_leakage(hwmgr, + &(data->vddcgfx_leakage), &pptable_info->max_clock_voltage_on_dc.vddgfx); + if (tmp_result != 0) + result = tmp_result; + } else { + tmp_result = tonga_patch_lookup_table_with_leakage(hwmgr, + pptable_info->vddc_lookup_table, &(data->vddc_leakage)); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_patch_clock_voltage_lomits_with_vddc_leakage(hwmgr, + &(data->vddc_leakage), &pptable_info->max_clock_voltage_on_dc.vddc); + if (tmp_result != 0) + result = tmp_result; + } + + tmp_result = tonga_patch_voltage_dependency_tables_with_lookup_table(hwmgr); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_calc_voltage_dependency_tables(hwmgr); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_calc_mm_voltage_dependency_table(hwmgr); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_sort_lookup_table(hwmgr, pptable_info->vddgfx_lookup_table); + if (tmp_result != 0) + result = tmp_result; + + tmp_result = tonga_sort_lookup_table(hwmgr, pptable_info->vddc_lookup_table); + if (tmp_result != 0) + result = tmp_result; + + return result; +} + +int tonga_init_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + data->low_sclk_interrupt_threshold = 0; + + return 0; +} + +int tonga_setup_asic_task(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = tonga_read_clock_registers(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to read clock registers!", result = tmp_result); + + tmp_result = tonga_get_memory_type(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get memory type!", result = tmp_result); + + tmp_result = tonga_enable_acpi_power_management(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable ACPI power management!", result = tmp_result); + + tmp_result = tonga_init_power_gate_state(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to init power gate state!", result = tmp_result); + + tmp_result = tonga_get_mc_microcode_version(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get MC microcode version!", result = tmp_result); + + tmp_result = tonga_init_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to init sclk threshold!", result = tmp_result); + + return result; +} + +/** + * Enable voltage control + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_enable_voltage_control(struct pp_hwmgr *hwmgr) +{ + /* enable voltage control */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1); + + return 0; +} + +/** + * Checks if we want to support voltage control + * + * @param hwmgr the address of the powerplay hardware manager. + */ +bool cf_tonga_voltage_control(const struct pp_hwmgr *hwmgr) +{ + const struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + return(TONGA_VOLTAGE_CONTROL_NONE != data->voltage_control); +} + +/*---------------------------MC----------------------------*/ + +uint8_t tonga_get_memory_modile_index(struct pp_hwmgr *hwmgr) +{ + return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16)); +} + +bool tonga_check_s0_mc_reg_index(uint16_t inReg, uint16_t *outReg) +{ + bool result = 1; + + switch (inReg) { + case mmMC_SEQ_RAS_TIMING: + *outReg = mmMC_SEQ_RAS_TIMING_LP; + break; + + case mmMC_SEQ_DLL_STBY: + *outReg = mmMC_SEQ_DLL_STBY_LP; + break; + + case mmMC_SEQ_G5PDX_CMD0: + *outReg = mmMC_SEQ_G5PDX_CMD0_LP; + break; + + case mmMC_SEQ_G5PDX_CMD1: + *outReg = mmMC_SEQ_G5PDX_CMD1_LP; + break; + + case mmMC_SEQ_G5PDX_CTRL: + *outReg = mmMC_SEQ_G5PDX_CTRL_LP; + break; + + case mmMC_SEQ_CAS_TIMING: + *outReg = mmMC_SEQ_CAS_TIMING_LP; + break; + + case mmMC_SEQ_MISC_TIMING: + *outReg = mmMC_SEQ_MISC_TIMING_LP; + break; + + case mmMC_SEQ_MISC_TIMING2: + *outReg = mmMC_SEQ_MISC_TIMING2_LP; + break; + + case mmMC_SEQ_PMG_DVS_CMD: + *outReg = mmMC_SEQ_PMG_DVS_CMD_LP; + break; + + case mmMC_SEQ_PMG_DVS_CTL: + *outReg = mmMC_SEQ_PMG_DVS_CTL_LP; + break; + + case mmMC_SEQ_RD_CTL_D0: + *outReg = mmMC_SEQ_RD_CTL_D0_LP; + break; + + case mmMC_SEQ_RD_CTL_D1: + *outReg = mmMC_SEQ_RD_CTL_D1_LP; + break; + + case mmMC_SEQ_WR_CTL_D0: + *outReg = mmMC_SEQ_WR_CTL_D0_LP; + break; + + case mmMC_SEQ_WR_CTL_D1: + *outReg = mmMC_SEQ_WR_CTL_D1_LP; + break; + + case mmMC_PMG_CMD_EMRS: + *outReg = mmMC_SEQ_PMG_CMD_EMRS_LP; + break; + + case mmMC_PMG_CMD_MRS: + *outReg = mmMC_SEQ_PMG_CMD_MRS_LP; + break; + + case mmMC_PMG_CMD_MRS1: + *outReg = mmMC_SEQ_PMG_CMD_MRS1_LP; + break; + + case mmMC_SEQ_PMG_TIMING: + *outReg = mmMC_SEQ_PMG_TIMING_LP; + break; + + case mmMC_PMG_CMD_MRS2: + *outReg = mmMC_SEQ_PMG_CMD_MRS2_LP; + break; + + case mmMC_SEQ_WR_CTL_2: + *outReg = mmMC_SEQ_WR_CTL_2_LP; + break; + + default: + result = 0; + break; + } + + return result; +} + +int tonga_set_s0_mc_reg_index(phw_tonga_mc_reg_table *table) +{ + uint32_t i; + uint16_t address; + + for (i = 0; i < table->last; i++) { + table->mc_reg_address[i].s0 = + tonga_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) + ? address : table->mc_reg_address[i].s1; + } + return 0; +} + +int tonga_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table, phw_tonga_mc_reg_table *ni_table) +{ + uint8_t i, j; + + PP_ASSERT_WITH_CODE((table->last <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES), + "Invalid VramInfo table.", return -1); + + for (i = 0; i < table->last; i++) { + ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1; + } + ni_table->last = table->last; + + for (i = 0; i < table->num_entries; i++) { + ni_table->mc_reg_table_entry[i].mclk_max = + table->mc_reg_table_entry[i].mclk_max; + for (j = 0; j < table->last; j++) { + ni_table->mc_reg_table_entry[i].mc_data[j] = + table->mc_reg_table_entry[i].mc_data[j]; + } + } + + ni_table->num_entries = table->num_entries; + + return 0; +} + +/** + * VBIOS omits some information to reduce size, we need to recover them here. + * 1. when we see mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0]. + * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0] + * 2. when we see mmMC_SEQ_RESERVE_M, bit[15:0] EMRS2, need to be write to mmMC_PMG_CMD_MRS1/_LP[15:0]. + * 3. need to set these data for each clock range + * + * @param hwmgr the address of the powerplay hardware manager. + * @param table the address of MCRegTable + * @return always 0 + */ +int tonga_set_mc_special_registers(struct pp_hwmgr *hwmgr, phw_tonga_mc_reg_table *table) +{ + uint8_t i, j, k; + uint32_t temp_reg; + const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + for (i = 0, j = table->last; i < table->last; i++) { + PP_ASSERT_WITH_CODE((j < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + switch (table->mc_reg_address[i].s1) { + /* + * mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0]. + * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0] + */ + case mmMC_SEQ_MISC1: + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + ((temp_reg & 0xffff0000)) | + ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16); + } + j++; + PP_ASSERT_WITH_CODE((j < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (temp_reg & 0xffff0000) | + (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); + + if (!data->is_memory_GDDR5) { + table->mc_reg_table_entry[k].mc_data[j] |= 0x100; + } + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + + if (!data->is_memory_GDDR5) { + table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD; + table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + } + + break; + + case mmMC_SEQ_RESERVE_M: + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (temp_reg & 0xffff0000) | + (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + break; + + default: + break; + } + + } + + table->last = j; + + return 0; +} + +int tonga_set_valid_flag(phw_tonga_mc_reg_table *table) +{ + uint8_t i, j; + for (i = 0; i < table->last; i++) { + for (j = 1; j < table->num_entries; j++) { + if (table->mc_reg_table_entry[j-1].mc_data[i] != + table->mc_reg_table_entry[j].mc_data[i]) { + table->validflag |= (1<<i); + break; + } + } + } + + return 0; +} + +int tonga_initialize_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + int result; + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + pp_atomctrl_mc_reg_table *table; + phw_tonga_mc_reg_table *ni_table = &data->tonga_mc_reg_table; + uint8_t module_index = tonga_get_memory_modile_index(hwmgr); + + table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + /* Program additional LP registers that are no longer programmed by VBIOS */ + cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL)); + cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2)); + + memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table)); + + result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table); + + if (0 == result) + result = tonga_copy_vbios_smc_reg_table(table, ni_table); + + if (0 == result) { + tonga_set_s0_mc_reg_index(ni_table); + result = tonga_set_mc_special_registers(hwmgr, ni_table); + } + + if (0 == result) + tonga_set_valid_flag(ni_table); + + kfree(table); + return result; +} + +/* +* Copy one arb setting to another and then switch the active set. +* arbFreqSrc and arbFreqDest is one of the MC_CG_ARB_FREQ_Fx constants. +*/ +int tonga_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr, + uint32_t arbFreqSrc, uint32_t arbFreqDest) +{ + uint32_t mc_arb_dram_timing; + uint32_t mc_arb_dram_timing2; + uint32_t burst_time; + uint32_t mc_cg_config; + + switch (arbFreqSrc) { + case MC_CG_ARB_FREQ_F0: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0); + break; + + case MC_CG_ARB_FREQ_F1: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1); + break; + + default: + return -1; + } + + switch (arbFreqDest) { + case MC_CG_ARB_FREQ_F0: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time); + break; + + case MC_CG_ARB_FREQ_F1: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time); + break; + + default: + return -1; + } + + mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG); + mc_cg_config |= 0x0000000F; + cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arbFreqDest); + + return 0; +} + +/** + * Initial switch from ARB F0->F1 + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + * This function is to be called from the SetPowerState table. + */ +int tonga_initial_switch_from_arb_f0_to_f1(struct pp_hwmgr *hwmgr) +{ + return tonga_copy_and_switch_arb_sets(hwmgr, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1); +} + +/** + * Initialize the ARB DRAM timing table's index field. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_init_arb_table_index(struct pp_hwmgr *hwmgr) +{ + const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t tmp; + int result; + + /* + * This is a read-modify-write on the first byte of the ARB table. + * The first byte in the SMU72_Discrete_MCArbDramTimingTable structure is the field 'current'. + * This solution is ugly, but we never write the whole table only individual fields in it. + * In reality this field should not be in that structure but in a soft register. + */ + result = tonga_read_smc_sram_dword(hwmgr->smumgr, + data->arb_table_start, &tmp, data->sram_end); + + if (0 != result) + return result; + + tmp &= 0x00FFFFFF; + tmp |= ((uint32_t)MC_CG_ARB_FREQ_F1) << 24; + + return tonga_write_smc_sram_dword(hwmgr->smumgr, + data->arb_table_start, tmp, data->sram_end); +} + +int tonga_populate_mc_reg_address(struct pp_hwmgr *hwmgr, SMU72_Discrete_MCRegisters *mc_reg_table) +{ + const struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + uint32_t i, j; + + for (i = 0, j = 0; j < data->tonga_mc_reg_table.last; j++) { + if (data->tonga_mc_reg_table.validflag & 1<<j) { + PP_ASSERT_WITH_CODE(i < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE, + "Index of mc_reg_table->address[] array out of boundary", return -1); + mc_reg_table->address[i].s0 = + PP_HOST_TO_SMC_US(data->tonga_mc_reg_table.mc_reg_address[j].s0); + mc_reg_table->address[i].s1 = + PP_HOST_TO_SMC_US(data->tonga_mc_reg_table.mc_reg_address[j].s1); + i++; + } + } + + mc_reg_table->last = (uint8_t)i; + + return 0; +} + +/*convert register values from driver to SMC format */ +void tonga_convert_mc_registers( + const phw_tonga_mc_reg_entry * pEntry, + SMU72_Discrete_MCRegisterSet *pData, + uint32_t numEntries, uint32_t validflag) +{ + uint32_t i, j; + + for (i = 0, j = 0; j < numEntries; j++) { + if (validflag & 1<<j) { + pData->value[i] = PP_HOST_TO_SMC_UL(pEntry->mc_data[j]); + i++; + } + } +} + +/* find the entry in the memory range table, then populate the value to SMC's tonga_mc_reg_table */ +int tonga_convert_mc_reg_table_entry_to_smc( + struct pp_hwmgr *hwmgr, + const uint32_t memory_clock, + SMU72_Discrete_MCRegisterSet *mc_reg_table_data + ) +{ + const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t i = 0; + + for (i = 0; i < data->tonga_mc_reg_table.num_entries; i++) { + if (memory_clock <= + data->tonga_mc_reg_table.mc_reg_table_entry[i].mclk_max) { + break; + } + } + + if ((i == data->tonga_mc_reg_table.num_entries) && (i > 0)) + --i; + + tonga_convert_mc_registers(&data->tonga_mc_reg_table.mc_reg_table_entry[i], + mc_reg_table_data, data->tonga_mc_reg_table.last, data->tonga_mc_reg_table.validflag); + + return 0; +} + +int tonga_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr, + SMU72_Discrete_MCRegisters *mc_reg_table) +{ + int result = 0; + tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + int res; + uint32_t i; + + for (i = 0; i < data->dpm_table.mclk_table.count; i++) { + res = tonga_convert_mc_reg_table_entry_to_smc( + hwmgr, + data->dpm_table.mclk_table.dpm_levels[i].value, + &mc_reg_table->data[i] + ); + + if (0 != res) + result = res; + } + + return result; +} + +int tonga_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + int result; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + memset(&data->mc_reg_table, 0x00, sizeof(SMU72_Discrete_MCRegisters)); + result = tonga_populate_mc_reg_address(hwmgr, &(data->mc_reg_table)); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize MCRegTable for the MC register addresses!", return result;); + + result = tonga_convert_mc_reg_table_to_smc(hwmgr, &data->mc_reg_table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize MCRegTable for driver state!", return result;); + + return tonga_copy_bytes_to_smc(hwmgr->smumgr, data->mc_reg_table_start, + (uint8_t *)&data->mc_reg_table, sizeof(SMU72_Discrete_MCRegisters), data->sram_end); +} + +/** + * Programs static screed detection parameters + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_program_static_screen_threshold_parameters(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* Set static screen threshold unit*/ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT, + data->static_screen_threshold_unit); + /* Set static screen threshold*/ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD, + data->static_screen_threshold); + + return 0; +} + +/** + * Setup display gap for glitch free memory clock switching. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_enable_display_gap(struct pp_hwmgr *hwmgr) +{ + uint32_t display_gap = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL); + + display_gap = PHM_SET_FIELD(display_gap, + CG_DISPLAY_GAP_CNTL, DISP_GAP, DISPLAY_GAP_IGNORE); + + display_gap = PHM_SET_FIELD(display_gap, + CG_DISPLAY_GAP_CNTL, DISP_GAP_MCHG, DISPLAY_GAP_VBLANK); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL, display_gap); + + return 0; +} + +/** + * Programs activity state transition voting clients + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int tonga_program_voting_clients(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend); + + /* Clear reset for voting clients before enabling DPM */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7); + + return 0; +} + + +int tonga_enable_dpm_tasks(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = tonga_check_for_dpm_stopped(hwmgr); + + if (cf_tonga_voltage_control(hwmgr)) { + tmp_result = tonga_enable_voltage_control(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable voltage control!", result = tmp_result); + + tmp_result = tonga_construct_voltage_tables(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to contruct voltage tables!", result = tmp_result); + } + + tmp_result = tonga_initialize_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize MC reg table!", result = tmp_result); + + tmp_result = tonga_program_static_screen_threshold_parameters(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program static screen threshold parameters!", result = tmp_result); + + tmp_result = tonga_enable_display_gap(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable display gap!", result = tmp_result); + + tmp_result = tonga_program_voting_clients(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program voting clients!", result = tmp_result); + + tmp_result = tonga_process_firmware_header(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to process firmware header!", result = tmp_result); + + tmp_result = tonga_initial_switch_from_arb_f0_to_f1(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize switch from ArbF0 to F1!", result = tmp_result); + + tmp_result = tonga_init_smc_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize SMC table!", result = tmp_result); + + tmp_result = tonga_init_arb_table_index(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize ARB table index!", result = tmp_result); + + tmp_result = tonga_populate_initial_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to populate initialize MC Reg table!", result = tmp_result); + + tmp_result = tonga_notify_smc_display_change(hwmgr, false); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to notify no display!", result = tmp_result); + + /* enable SCLK control */ + tmp_result = tonga_enable_sclk_control(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable SCLK control!", result = tmp_result); + + /* enable DPM */ + tmp_result = tonga_start_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to start DPM!", result = tmp_result); + + return result; +} + +int tonga_disable_dpm_tasks(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = tonga_check_for_dpm_running(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "SMC is still running!", return 0); + + tmp_result = tonga_stop_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to stop DPM!", result = tmp_result); + + tmp_result = tonga_reset_to_default(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to reset to default!", result = tmp_result); + + return result; +} + +int tonga_reset_asic_tasks(struct pp_hwmgr *hwmgr) +{ + int result; + + result = tonga_set_boot_state(hwmgr); + if (0 != result) + printk(KERN_ERR "[ powerplay ] Failed to reset asic via set boot state! \n"); + + return result; +} + +int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) { + kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl); + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + } + + if (NULL != hwmgr->backend) { + kfree(hwmgr->backend); + hwmgr->backend = NULL; + } + + return 0; +} + +/** + * Initializes the Volcanic Islands Hardware Manager + * + * @param hwmgr the address of the powerplay hardware manager. + * @return 1 if success; otherwise appropriate error code. + */ +int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr) +{ + int result = 0; + SMU72_Discrete_DpmTable *table = NULL; + tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + pp_atomctrl_gpio_pin_assignment gpio_pin_assignment; + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + phw_tonga_ulv_parm *ulv; + + PP_ASSERT_WITH_CODE((NULL != hwmgr), + "Invalid Parameter!", return -1;); + + data->dll_defaule_on = 0; + data->sram_end = SMC_RAM_END; + + data->activity_target[0] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[1] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[2] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[3] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[4] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[5] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[6] = PPTONGA_TARGETACTIVITY_DFLT; + data->activity_target[7] = PPTONGA_TARGETACTIVITY_DFLT; + + data->vddc_vddci_delta = VDDC_VDDCI_DELTA; + data->vddc_vddgfx_delta = VDDC_VDDGFX_DELTA; + data->mclk_activity_target = PPTONGA_MCLK_TARGETACTIVITY_DFLT; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableVoltageIsland); + + data->sclk_dpm_key_disabled = 0; + data->mclk_dpm_key_disabled = 0; + data->pcie_dpm_key_disabled = 0; + data->pcc_monitor_enabled = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UnTabledHardwareInterface); + + data->gpio_debug = 0; + data->engine_clock_data = 0; + data->memory_clock_data = 0; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicPatchPowerState); + + /* need to set voltage control types before EVV patching*/ + data->voltage_control = TONGA_VOLTAGE_CONTROL_NONE; + data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_NONE; + data->vdd_gfx_control = TONGA_VOLTAGE_CONTROL_NONE; + data->mvdd_control = TONGA_VOLTAGE_CONTROL_NONE; + + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2)) { + data->voltage_control = TONGA_VOLTAGE_CONTROL_BY_SVID2; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDGFX)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDGFX, VOLTAGE_OBJ_SVID2)) { + data->vdd_gfx_control = TONGA_VOLTAGE_CONTROL_BY_SVID2; + } + } + + if (TONGA_VOLTAGE_CONTROL_NONE == data->vdd_gfx_control) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDGFX); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT)) { + data->mvdd_control = TONGA_VOLTAGE_CONTROL_BY_GPIO; + } + } + + if (TONGA_VOLTAGE_CONTROL_NONE == data->mvdd_control) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT)) + data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_BY_GPIO; + else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2)) + data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_BY_SVID2; + } + + if (TONGA_VOLTAGE_CONTROL_NONE == data->vdd_ci_control) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface); + + if (pptable_info->cac_dtp_table->usClockStretchAmount != 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ClockStretcher); + + /* Initializes DPM default values*/ + tonga_initialize_dpm_defaults(hwmgr); + + /* Get leakage voltage based on leakage ID.*/ + PP_ASSERT_WITH_CODE((0 == tonga_get_evv_voltage(hwmgr)), + "Get EVV Voltage Failed. Abort Driver loading!", return -1); + + tonga_complete_dependency_tables(hwmgr); + + /* Parse pptable data read from VBIOS*/ + tonga_set_private_var_based_on_pptale(hwmgr); + + /* ULV Support*/ + ulv = &(data->ulv); + ulv->ulv_supported = 0; + + /* Initalize Dynamic State Adjustment Rule Settings*/ + result = tonga_initializa_dynamic_state_adjustment_rule_settings(hwmgr); + if (result) + printk(KERN_ERR "[ powerplay ] tonga_initializa_dynamic_state_adjustment_rule_settings failed!\n"); + data->uvd_enabled = 0; + + table = &(data->smc_state_table); + + /* + * if ucGPIO_ID=VDDC_PCC_GPIO_PINID in GPIO_LUTable, + * Peak Current Control feature is enabled and we should program PCC HW register + */ + if (0 == atomctrl_get_pp_assign_pin(hwmgr, VDDC_PCC_GPIO_PINID, &gpio_pin_assignment)) { + uint32_t temp_reg = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCNB_PWRMGT_CNTL); + + switch (gpio_pin_assignment.uc_gpio_pin_bit_shift) { + case 0: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x1); + break; + case 1: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x2); + break; + case 2: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW, 0x1); + break; + case 3: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, FORCE_NB_PS1, 0x1); + break; + case 4: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, DPM_ENABLED, 0x1); + break; + default: + printk(KERN_ERR "[ powerplay ] Failed to setup PCC HW register! \ + Wrong GPIO assigned for VDDC_PCC_GPIO_PINID! \n"); + break; + } + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCNB_PWRMGT_CNTL, temp_reg); + } + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableSMU7ThermalManagement); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SMU7); + + data->vddc_phase_shed_control = 0; + + if (0 == result) { + struct cgs_system_info sys_info = {0}; + + data->is_tlu_enabled = 0; + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = + TONGA_MAX_HARDWARE_POWERLEVELS; + hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; + hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_gen_cap = 0x30007; + else + data->pcie_gen_cap = (uint32_t)sys_info.value; + if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) + data->pcie_spc_cap = 20; + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_lane_cap = 0x2f0000; + else + data->pcie_lane_cap = (uint32_t)sys_info.value; + } else { + /* Ignore return value in here, we are cleaning up a mess. */ + tonga_hwmgr_backend_fini(hwmgr); + } + + return result; +} + +static int tonga_force_dpm_level(struct pp_hwmgr *hwmgr, + enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + ret = tonga_force_dpm_highest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_LOW: + ret = tonga_force_dpm_lowest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_AUTO: + ret = tonga_unforce_dpm_levels(hwmgr); + if (ret) + return ret; + break; + default: + break; + } + + hwmgr->dpm_level = level; + return ret; +} + +static int tonga_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + struct pp_power_state *prequest_ps, + const struct pp_power_state *pcurrent_ps) +{ + struct tonga_power_state *tonga_ps = + cast_phw_tonga_power_state(&prequest_ps->hardware); + + uint32_t sclk; + uint32_t mclk; + struct PP_Clocks minimum_clocks = {0}; + bool disable_mclk_switching; + bool disable_mclk_switching_for_frame_lock; + struct cgs_display_info info = {0}; + const struct phm_clock_and_voltage_limits *max_limits; + uint32_t i; + tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + int32_t count; + int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; + + data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); + + PP_ASSERT_WITH_CODE(tonga_ps->performance_level_count == 2, + "VI should always have 2 performance levels", + ); + + max_limits = (PP_PowerSource_AC == hwmgr->power_source) ? + &(hwmgr->dyn_state.max_clock_voltage_on_ac) : + &(hwmgr->dyn_state.max_clock_voltage_on_dc); + + if (PP_PowerSource_DC == hwmgr->power_source) { + for (i = 0; i < tonga_ps->performance_level_count; i++) { + if (tonga_ps->performance_levels[i].memory_clock > max_limits->mclk) + tonga_ps->performance_levels[i].memory_clock = max_limits->mclk; + if (tonga_ps->performance_levels[i].engine_clock > max_limits->sclk) + tonga_ps->performance_levels[i].engine_clock = max_limits->sclk; + } + } + + tonga_ps->vce_clocks.EVCLK = hwmgr->vce_arbiter.evclk; + tonga_ps->vce_clocks.ECCLK = hwmgr->vce_arbiter.ecclk; + + tonga_ps->acp_clk = hwmgr->acp_arbiter.acpclk; + + cgs_get_active_displays_info(hwmgr->device, &info); + + /*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/ + + /* TO DO GetMinClockSettings(hwmgr->pPECI, &minimum_clocks); */ + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) { + + max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac); + stable_pstate_sclk = (max_limits->sclk * 75) / 100; + + for (count = pptable_info->vdd_dep_on_sclk->count-1; count >= 0; count--) { + if (stable_pstate_sclk >= pptable_info->vdd_dep_on_sclk->entries[count].clk) { + stable_pstate_sclk = pptable_info->vdd_dep_on_sclk->entries[count].clk; + break; + } + } + + if (count < 0) + stable_pstate_sclk = pptable_info->vdd_dep_on_sclk->entries[0].clk; + + stable_pstate_mclk = max_limits->mclk; + + minimum_clocks.engineClock = stable_pstate_sclk; + minimum_clocks.memoryClock = stable_pstate_mclk; + } + + if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk) + minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk; + + if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk) + minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk; + + tonga_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold; + + if (0 != hwmgr->gfx_arbiter.sclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.engineClock), + "Overdrive sclk exceeds limit", + hwmgr->gfx_arbiter.sclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.engineClock); + + if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk) + tonga_ps->performance_levels[1].engine_clock = hwmgr->gfx_arbiter.sclk_over_drive; + } + + if (0 != hwmgr->gfx_arbiter.mclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.memoryClock), + "Overdrive mclk exceeds limit", + hwmgr->gfx_arbiter.mclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.memoryClock); + + if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk) + tonga_ps->performance_levels[1].memory_clock = hwmgr->gfx_arbiter.mclk_over_drive; + } + + disable_mclk_switching_for_frame_lock = phm_cap_enabled( + hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMclkSwitchingForFrameLock); + + disable_mclk_switching = (1 < info.display_count) || + disable_mclk_switching_for_frame_lock; + + sclk = tonga_ps->performance_levels[0].engine_clock; + mclk = tonga_ps->performance_levels[0].memory_clock; + + if (disable_mclk_switching) + mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count - 1].memory_clock; + + if (sclk < minimum_clocks.engineClock) + sclk = (minimum_clocks.engineClock > max_limits->sclk) ? max_limits->sclk : minimum_clocks.engineClock; + + if (mclk < minimum_clocks.memoryClock) + mclk = (minimum_clocks.memoryClock > max_limits->mclk) ? max_limits->mclk : minimum_clocks.memoryClock; + + tonga_ps->performance_levels[0].engine_clock = sclk; + tonga_ps->performance_levels[0].memory_clock = mclk; + + tonga_ps->performance_levels[1].engine_clock = + (tonga_ps->performance_levels[1].engine_clock >= tonga_ps->performance_levels[0].engine_clock) ? + tonga_ps->performance_levels[1].engine_clock : + tonga_ps->performance_levels[0].engine_clock; + + if (disable_mclk_switching) { + if (mclk < tonga_ps->performance_levels[1].memory_clock) + mclk = tonga_ps->performance_levels[1].memory_clock; + + tonga_ps->performance_levels[0].memory_clock = mclk; + tonga_ps->performance_levels[1].memory_clock = mclk; + } else { + if (tonga_ps->performance_levels[1].memory_clock < tonga_ps->performance_levels[0].memory_clock) + tonga_ps->performance_levels[1].memory_clock = tonga_ps->performance_levels[0].memory_clock; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) { + for (i=0; i < tonga_ps->performance_level_count; i++) { + tonga_ps->performance_levels[i].engine_clock = stable_pstate_sclk; + tonga_ps->performance_levels[i].memory_clock = stable_pstate_mclk; + tonga_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max; + tonga_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max; + } + } + + return 0; +} + +int tonga_get_power_state_size(struct pp_hwmgr *hwmgr) +{ + return sizeof(struct tonga_power_state); +} + +static int tonga_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct tonga_power_state *tonga_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + tonga_ps = cast_phw_tonga_power_state(&ps->hardware); + + if (low) + return tonga_ps->performance_levels[0].memory_clock; + else + return tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock; +} + +static int tonga_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct tonga_power_state *tonga_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + tonga_ps = cast_phw_tonga_power_state(&ps->hardware); + + if (low) + return tonga_ps->performance_levels[0].engine_clock; + else + return tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock; +} + +static uint16_t tonga_get_current_pcie_speed( + struct pp_hwmgr *hwmgr) +{ + uint32_t speed_cntl = 0; + + speed_cntl = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__PCIE, + ixPCIE_LC_SPEED_CNTL); + return((uint16_t)PHM_GET_FIELD(speed_cntl, + PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE)); +} + +static int tonga_get_current_pcie_lane_number( + struct pp_hwmgr *hwmgr) +{ + uint32_t link_width; + + link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__PCIE, + PCIE_LC_LINK_WIDTH_CNTL, + LC_LINK_WIDTH_RD); + + PP_ASSERT_WITH_CODE((7 >= link_width), + "Invalid PCIe lane width!", return 0); + + return decode_pcie_lane_width(link_width); +} + +static int tonga_dpm_patch_boot_state(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct tonga_power_state *ps = (struct tonga_power_state *)hw_ps; + ATOM_FIRMWARE_INFO_V2_2 *fw_info; + uint16_t size; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + + /* First retrieve the Boot clocks and VDDC from the firmware info table. + * We assume here that fw_info is unchanged if this call fails. + */ + fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table( + hwmgr->device, index, + &size, &frev, &crev); + if (!fw_info) + /* During a test, there is no firmware info table. */ + return 0; + + /* Patch the state. */ + data->vbios_boot_state.sclk_bootup_value = le32_to_cpu(fw_info->ulDefaultEngineClock); + data->vbios_boot_state.mclk_bootup_value = le32_to_cpu(fw_info->ulDefaultMemoryClock); + data->vbios_boot_state.mvdd_bootup_value = le16_to_cpu(fw_info->usBootUpMVDDCVoltage); + data->vbios_boot_state.vddc_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCVoltage); + data->vbios_boot_state.vddci_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCIVoltage); + data->vbios_boot_state.pcie_gen_bootup_value = tonga_get_current_pcie_speed(hwmgr); + data->vbios_boot_state.pcie_lane_bootup_value = + (uint16_t)tonga_get_current_pcie_lane_number(hwmgr); + + /* set boot power state */ + ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value; + ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value; + ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value; + ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value; + + return 0; +} + +static int tonga_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr, + void *state, struct pp_power_state *power_state, + void *pp_table, uint32_t classification_flag) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + struct tonga_power_state *tonga_ps = + (struct tonga_power_state *)(&(power_state->hardware)); + + struct tonga_performance_level *performance_level; + + ATOM_Tonga_State *state_entry = (ATOM_Tonga_State *)state; + + ATOM_Tonga_POWERPLAYTABLE *powerplay_table = + (ATOM_Tonga_POWERPLAYTABLE *)pp_table; + + ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = + (ATOM_Tonga_SCLK_Dependency_Table *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usSclkDependencyTableOffset)); + + ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = + (ATOM_Tonga_MCLK_Dependency_Table *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usMclkDependencyTableOffset)); + + /* The following fields are not initialized here: id orderedList allStatesList */ + power_state->classification.ui_label = + (le16_to_cpu(state_entry->usClassification) & + ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> + ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; + power_state->classification.flags = classification_flag; + /* NOTE: There is a classification2 flag in BIOS that is not being used right now */ + + power_state->classification.temporary_state = false; + power_state->classification.to_be_deleted = false; + + power_state->validation.disallowOnDC = + (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & ATOM_Tonga_DISALLOW_ON_DC)); + + power_state->pcie.lanes = 0; + + power_state->display.disableFrameModulation = false; + power_state->display.limitRefreshrate = false; + power_state->display.enableVariBright = + (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & ATOM_Tonga_ENABLE_VARIBRIGHT)); + + power_state->validation.supportedPowerLevels = 0; + power_state->uvd_clocks.VCLK = 0; + power_state->uvd_clocks.DCLK = 0; + power_state->temperatures.min = 0; + power_state->temperatures.max = 0; + + performance_level = &(tonga_ps->performance_levels + [tonga_ps->performance_level_count++]); + + PP_ASSERT_WITH_CODE( + (tonga_ps->performance_level_count < SMU72_MAX_LEVELS_GRAPHICS), + "Performance levels exceeds SMC limit!", + return -1); + + PP_ASSERT_WITH_CODE( + (tonga_ps->performance_level_count <= + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels), + "Performance levels exceeds Driver limit!", + return -1); + + /* Performance levels are arranged from low to high. */ + performance_level->memory_clock = + le32_to_cpu(mclk_dep_table->entries[state_entry->ucMemoryClockIndexLow].ulMclk); + + performance_level->engine_clock = + le32_to_cpu(sclk_dep_table->entries[state_entry->ucEngineClockIndexLow].ulSclk); + + performance_level->pcie_gen = get_pcie_gen_support( + data->pcie_gen_cap, + state_entry->ucPCIEGenLow); + + performance_level->pcie_lane = get_pcie_lane_support( + data->pcie_lane_cap, + state_entry->ucPCIELaneHigh); + + performance_level = + &(tonga_ps->performance_levels[tonga_ps->performance_level_count++]); + + performance_level->memory_clock = + le32_to_cpu(mclk_dep_table->entries[state_entry->ucMemoryClockIndexHigh].ulMclk); + + performance_level->engine_clock = + le32_to_cpu(sclk_dep_table->entries[state_entry->ucEngineClockIndexHigh].ulSclk); + + performance_level->pcie_gen = get_pcie_gen_support( + data->pcie_gen_cap, + state_entry->ucPCIEGenHigh); + + performance_level->pcie_lane = get_pcie_lane_support( + data->pcie_lane_cap, + state_entry->ucPCIELaneHigh); + + return 0; +} + +static int tonga_get_pp_table_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, struct pp_power_state *ps) +{ + int result; + struct tonga_power_state *tonga_ps; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table = + table_info->vdd_dep_on_mclk; + + ps->hardware.magic = PhwTonga_Magic; + + tonga_ps = cast_phw_tonga_power_state(&(ps->hardware)); + + result = tonga_get_powerplay_table_entry(hwmgr, entry_index, ps, + tonga_get_pp_table_entry_callback_func); + + /* This is the earliest time we have all the dependency table and the VBIOS boot state + * as PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot state + * if there is only one VDDCI/MCLK level, check if it's the same as VBIOS boot state + */ + if (dep_mclk_table != NULL && dep_mclk_table->count == 1) { + if (dep_mclk_table->entries[0].clk != + data->vbios_boot_state.mclk_bootup_value) + printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table " + "does not match VBIOS boot MCLK level"); + if (dep_mclk_table->entries[0].vddci != + data->vbios_boot_state.vddci_bootup_value) + printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table " + "does not match VBIOS boot VDDCI level"); + } + + /* set DC compatible flag if this state supports DC */ + if (!ps->validation.disallowOnDC) + tonga_ps->dc_compatible = true; + + if (ps->classification.flags & PP_StateClassificationFlag_ACPI) + data->acpi_pcie_gen = tonga_ps->performance_levels[0].pcie_gen; + else if (ps->classification.flags & PP_StateClassificationFlag_Boot) { + if (data->bacos.best_match == 0xffff) { + /* For V.I. use boot state as base BACO state */ + data->bacos.best_match = PP_StateClassificationFlag_Boot; + data->bacos.performance_level = tonga_ps->performance_levels[0]; + } + } + + tonga_ps->uvd_clocks.VCLK = ps->uvd_clocks.VCLK; + tonga_ps->uvd_clocks.DCLK = ps->uvd_clocks.DCLK; + + if (!result) { + uint32_t i; + + switch (ps->classification.ui_label) { + case PP_StateUILabel_Performance: + data->use_pcie_performance_levels = true; + + for (i = 0; i < tonga_ps->performance_level_count; i++) { + if (data->pcie_gen_performance.max < + tonga_ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.max = + tonga_ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_performance.min > + tonga_ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.min = + tonga_ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_performance.max < + tonga_ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.max = + tonga_ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_performance.min > + tonga_ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.min = + tonga_ps->performance_levels[i].pcie_lane; + } + break; + case PP_StateUILabel_Battery: + data->use_pcie_power_saving_levels = true; + + for (i = 0; i < tonga_ps->performance_level_count; i++) { + if (data->pcie_gen_power_saving.max < + tonga_ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.max = + tonga_ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_power_saving.min > + tonga_ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.min = + tonga_ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_power_saving.max < + tonga_ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.max = + tonga_ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_power_saving.min > + tonga_ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.min = + tonga_ps->performance_levels[i].pcie_lane; + } + break; + default: + break; + } + } + return 0; +} + +static void +tonga_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m) +{ + uint32_t sclk, mclk, activity_percent; + uint32_t offset; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetSclkFrequency)); + + sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + + smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetMclkFrequency)); + + mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n", mclk/100, sclk/100); + + + offset = data->soft_regs_start + offsetof(SMU72_SoftRegisters, AverageGraphicsActivity); + activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset); + activity_percent += 0x80; + activity_percent >>= 8; + + seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent); + +} + +static int tonga_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state); + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct tonga_single_dpm_table *psclk_table = &(data->dpm_table.sclk_table); + uint32_t sclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock; + struct tonga_single_dpm_table *pmclk_table = &(data->dpm_table.mclk_table); + uint32_t mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock; + struct PP_Clocks min_clocks = {0}; + uint32_t i; + struct cgs_display_info info = {0}; + + data->need_update_smu7_dpm_table = 0; + + for (i = 0; i < psclk_table->count; i++) { + if (sclk == psclk_table->dpm_levels[i].value) + break; + } + + if (i >= psclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; + else { + /* TODO: Check SCLK in DAL's minimum clocks in case DeepSleep divider update is required.*/ + if(data->display_timing.min_clock_insr != min_clocks.engineClockInSR) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; + } + + for (i=0; i < pmclk_table->count; i++) { + if (mclk == pmclk_table->dpm_levels[i].value) + break; + } + + if (i >= pmclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK; + + return 0; +} + +static uint16_t tonga_get_maximum_link_speed(struct pp_hwmgr *hwmgr, const struct tonga_power_state *hw_ps) +{ + uint32_t i; + uint32_t sclk, max_sclk = 0; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct tonga_dpm_table *pdpm_table = &data->dpm_table; + + for (i = 0; i < hw_ps->performance_level_count; i++) { + sclk = hw_ps->performance_levels[i].engine_clock; + if (max_sclk < sclk) + max_sclk = sclk; + } + + for (i = 0; i < pdpm_table->sclk_table.count; i++) { + if (pdpm_table->sclk_table.dpm_levels[i].value == max_sclk) + return (uint16_t) ((i >= pdpm_table->pcie_speed_table.count) ? + pdpm_table->pcie_speed_table.dpm_levels[pdpm_table->pcie_speed_table.count-1].value : + pdpm_table->pcie_speed_table.dpm_levels[i].value); + } + + return 0; +} + +static int tonga_request_link_speed_change_before_state_change(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_power_state *tonga_nps = cast_const_phw_tonga_power_state(states->pnew_state); + const struct tonga_power_state *tonga_cps = cast_const_phw_tonga_power_state(states->pcurrent_state); + + uint16_t target_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_nps); + uint16_t current_link_speed; + + if (data->force_pcie_gen == PP_PCIEGenInvalid) + current_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_cps); + else + current_link_speed = data->force_pcie_gen; + + data->force_pcie_gen = PP_PCIEGenInvalid; + data->pspp_notify_required = false; + if (target_link_speed > current_link_speed) { + switch(target_link_speed) { + case PP_PCIEGen3: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false)) + break; + data->force_pcie_gen = PP_PCIEGen2; + if (current_link_speed == PP_PCIEGen2) + break; + case PP_PCIEGen2: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false)) + break; + default: + data->force_pcie_gen = tonga_get_current_pcie_speed(hwmgr); + break; + } + } else { + if (target_link_speed < current_link_speed) + data->pspp_notify_required = true; + } + + return 0; +} + +static int tonga_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + PP_ASSERT_WITH_CODE( + true == tonga_is_dpm_running(hwmgr), + "Trying to freeze SCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_FreezeLevel), + "Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + DPMTABLE_OD_UPDATE_MCLK)) { + PP_ASSERT_WITH_CODE(true == tonga_is_dpm_running(hwmgr), + "Trying to freeze MCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_FreezeLevel), + "Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + return 0; +} + +static int tonga_populate_and_upload_sclk_mclk_dpm_levels(struct pp_hwmgr *hwmgr, const void *input) +{ + int result = 0; + + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state); + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t sclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock; + uint32_t mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock; + struct tonga_dpm_table *pdpm_table = &data->dpm_table; + + struct tonga_dpm_table *pgolden_dpm_table = &data->golden_dpm_table; + uint32_t dpm_count, clock_percent; + uint32_t i; + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) { + pdpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value = sclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) { + /* Need to do calculation based on the golden DPM table + * as the Heatmap GPU Clock axis is also based on the default values + */ + PP_ASSERT_WITH_CODE( + (pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value != 0), + "Divide by 0!", + return -1); + dpm_count = pdpm_table->sclk_table.count < 2 ? 0 : pdpm_table->sclk_table.count-2; + for (i = dpm_count; i > 1; i--) { + if (sclk > pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value) { + clock_percent = ((sclk - pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value)*100) / + pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value; + + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value + + (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100; + + } else if (pgolden_dpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value > sclk) { + clock_percent = ((pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value - sclk)*100) / + pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value; + + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value - + (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100; + } else + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value; + } + } + } + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) { + pdpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value = mclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) { + + PP_ASSERT_WITH_CODE( + (pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value != 0), + "Divide by 0!", + return -1); + dpm_count = pdpm_table->mclk_table.count < 2? 0 : pdpm_table->mclk_table.count-2; + for (i = dpm_count; i > 1; i--) { + if (mclk > pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value) { + clock_percent = ((mclk - pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value)*100) / + pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value; + + pdpm_table->mclk_table.dpm_levels[i].value = + pgolden_dpm_table->mclk_table.dpm_levels[i].value + + (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100; + + } else if (pgolden_dpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value > mclk) { + clock_percent = ((pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value - mclk)*100) / + pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value; + + pdpm_table->mclk_table.dpm_levels[i].value = + pgolden_dpm_table->mclk_table.dpm_levels[i].value - + (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100; + } else + pdpm_table->mclk_table.dpm_levels[i].value = pgolden_dpm_table->mclk_table.dpm_levels[i].value; + } + } + } + + if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) { + result = tonga_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate SCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) { + /*populate MCLK dpm table to SMU7 */ + result = tonga_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate MCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + return result; +} + +static int tonga_trim_single_dpm_states(struct pp_hwmgr *hwmgr, + struct tonga_single_dpm_table * pdpm_table, + uint32_t low_limit, uint32_t high_limit) +{ + uint32_t i; + + for (i = 0; i < pdpm_table->count; i++) { + if ((pdpm_table->dpm_levels[i].value < low_limit) || + (pdpm_table->dpm_levels[i].value > high_limit)) + pdpm_table->dpm_levels[i].enabled = false; + else + pdpm_table->dpm_levels[i].enabled = true; + } + return 0; +} + +static int tonga_trim_dpm_states(struct pp_hwmgr *hwmgr, const struct tonga_power_state *hw_state) +{ + int result = 0; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t high_limit_count; + + PP_ASSERT_WITH_CODE((hw_state->performance_level_count >= 1), + "power state did not have any performance level", + return -1); + + high_limit_count = (1 == hw_state->performance_level_count) ? 0: 1; + + tonga_trim_single_dpm_states(hwmgr, + &(data->dpm_table.sclk_table), + hw_state->performance_levels[0].engine_clock, + hw_state->performance_levels[high_limit_count].engine_clock); + + tonga_trim_single_dpm_states(hwmgr, + &(data->dpm_table.mclk_table), + hw_state->performance_levels[0].memory_clock, + hw_state->performance_levels[high_limit_count].memory_clock); + + return result; +} + +static int tonga_generate_dpm_level_enable_mask(struct pp_hwmgr *hwmgr, const void *input) +{ + int result; + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state); + + result = tonga_trim_dpm_states(hwmgr, tonga_ps); + if (0 != result) + return result; + + data->dpm_level_enable_mask.sclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table); + data->dpm_level_enable_mask.mclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table); + data->last_mclk_dpm_enable_mask = data->dpm_level_enable_mask.mclk_dpm_enable_mask; + if (data->uvd_enabled) + data->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE; + + data->dpm_level_enable_mask.pcie_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table); + + return 0; +} + +int tonga_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + (PPSMC_Msg)PPSMC_MSG_VCEDPM_Enable : + (PPSMC_Msg)PPSMC_MSG_VCEDPM_Disable); +} + +int tonga_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + (PPSMC_Msg)PPSMC_MSG_UVDDPM_Enable : + (PPSMC_Msg)PPSMC_MSG_UVDDPM_Disable); +} + +int tonga_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *ptable_information = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (!bgate) { + data->smc_state_table.UvdBootLevel = (uint8_t) (ptable_information->mm_dep_table->count - 1); + mm_boot_level_offset = data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, UvdBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0x00FFFFFF; + mm_boot_level_value |= data->smc_state_table.UvdBootLevel << 24; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDDPM) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDDPM_SetEnabledMask, + (uint32_t)(1 << data->smc_state_table.UvdBootLevel)); + } + + return tonga_enable_disable_uvd_dpm(hwmgr, !bgate); +} + +int tonga_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_power_state *tonga_nps = cast_const_phw_tonga_power_state(states->pnew_state); + const struct tonga_power_state *tonga_cps = cast_const_phw_tonga_power_state(states->pcurrent_state); + + uint32_t mm_boot_level_offset, mm_boot_level_value; + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (tonga_nps->vce_clocks.EVCLK > 0 && (tonga_cps == NULL || tonga_cps->vce_clocks.EVCLK == 0)) { + data->smc_state_table.VceBootLevel = (uint8_t) (pptable_info->mm_dep_table->count - 1); + + mm_boot_level_offset = data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, VceBootLevel); + mm_boot_level_offset /= 4; + mm_boot_level_offset *= 4; + mm_boot_level_value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset); + mm_boot_level_value &= 0xFF00FFFF; + mm_boot_level_value |= data->smc_state_table.VceBootLevel << 16; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_VCEDPM_SetEnabledMask, + (uint32_t)(1 << data->smc_state_table.VceBootLevel)); + + tonga_enable_disable_vce_dpm(hwmgr, true); + } else if (tonga_nps->vce_clocks.EVCLK == 0 && tonga_cps != NULL && tonga_cps->vce_clocks.EVCLK > 0) + tonga_enable_disable_vce_dpm(hwmgr, false); + + return 0; +} + +static int tonga_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + uint32_t address; + int32_t result; + + if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) + return 0; + + + memset(&data->mc_reg_table, 0, sizeof(SMU72_Discrete_MCRegisters)); + + result = tonga_convert_mc_reg_table_to_smc(hwmgr, &(data->mc_reg_table)); + + if(result != 0) + return result; + + + address = data->mc_reg_table_start + (uint32_t)offsetof(SMU72_Discrete_MCRegisters, data[0]); + + return tonga_copy_bytes_to_smc(hwmgr->smumgr, address, + (uint8_t *)&data->mc_reg_table.data[0], + sizeof(SMU72_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count, + data->sram_end); +} + +static int tonga_program_memory_timing_parameters_conditionally(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + if (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK)) + return tonga_program_memory_timing_parameters(hwmgr); + + return 0; +} + +static int tonga_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + + PP_ASSERT_WITH_CODE(true == tonga_is_dpm_running(hwmgr), + "Trying to Unfreeze SCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_UnfreezeLevel), + "Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) { + + PP_ASSERT_WITH_CODE( + true == tonga_is_dpm_running(hwmgr), + "Trying to Unfreeze MCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_UnfreezeLevel), + "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + data->need_update_smu7_dpm_table = 0; + + return 0; +} + +static int tonga_notify_link_speed_change_after_state_change(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state); + uint16_t target_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_ps); + uint8_t request; + + if (data->pspp_notify_required || + data->pcie_performance_request) { + if (target_link_speed == PP_PCIEGen3) + request = PCIE_PERF_REQ_GEN3; + else if (target_link_speed == PP_PCIEGen2) + request = PCIE_PERF_REQ_GEN2; + else + request = PCIE_PERF_REQ_GEN1; + + if(request == PCIE_PERF_REQ_GEN1 && tonga_get_current_pcie_speed(hwmgr) > 0) { + data->pcie_performance_request = false; + return 0; + } + + if (0 != acpi_pcie_perf_request(hwmgr->device, request, false)) { + if (PP_PCIEGen2 == target_link_speed) + printk("PSPP request to switch to Gen2 from Gen3 Failed!"); + else + printk("PSPP request to switch to Gen1 from Gen2 Failed!"); + } + } + + data->pcie_performance_request = false; + return 0; +} + +static int tonga_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input) +{ + int tmp_result, result = 0; + + tmp_result = tonga_find_dpm_states_clocks_in_dpm_table(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to find DPM states clocks in DPM table!", result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = tonga_request_link_speed_change_before_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to request link speed change before state change!", result = tmp_result); + } + + tmp_result = tonga_freeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to freeze SCLK MCLK DPM!", result = tmp_result); + + tmp_result = tonga_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to populate and upload SCLK MCLK DPM levels!", result = tmp_result); + + tmp_result = tonga_generate_dpm_level_enable_mask(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to generate DPM level enabled mask!", result = tmp_result); + + tmp_result = tonga_update_vce_dpm(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update VCE DPM!", result = tmp_result); + + tmp_result = tonga_update_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update SCLK threshold!", result = tmp_result); + + tmp_result = tonga_update_and_upload_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload MC reg table!", result = tmp_result); + + tmp_result = tonga_program_memory_timing_parameters_conditionally(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to program memory timing parameters!", result = tmp_result); + + tmp_result = tonga_unfreeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to unfreeze SCLK MCLK DPM!", result = tmp_result); + + tmp_result = tonga_upload_dpm_level_enable_mask(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload DPM level enabled mask!", result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = tonga_notify_link_speed_change_after_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to notify link speed change after state change!", result = tmp_result); + } + + return result; +} + +/** +* Set maximum target operating fan output PWM +* +* @param pHwMgr: the address of the powerplay hardware manager. +* @param usMaxFanPwm: max operating fan PWM in percents +* @return The response that came from the SMC. +*/ +static int tonga_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm) +{ + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm) ? 0 : -1); +} + +int tonga_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr) +{ + uint32_t num_active_displays = 0; + struct cgs_display_info info = {0}; + info.mode_info = NULL; + + cgs_get_active_displays_info(hwmgr->device, &info); + + num_active_displays = info.display_count; + + if (num_active_displays > 1) /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */ + tonga_notify_smc_display_change(hwmgr, false); + else + tonga_notify_smc_display_change(hwmgr, true); + + return 0; +} + +/** +* Programs the display gap +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always OK +*/ +int tonga_program_display_gap(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t num_active_displays = 0; + uint32_t display_gap = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL); + uint32_t display_gap2; + uint32_t pre_vbi_time_in_us; + uint32_t frame_time_in_us; + uint32_t ref_clock; + uint32_t refresh_rate = 0; + struct cgs_display_info info = {0}; + struct cgs_mode_info mode_info; + + info.mode_info = &mode_info; + + cgs_get_active_displays_info(hwmgr->device, &info); + num_active_displays = info.display_count; + + display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL, DISP_GAP, (num_active_displays > 0)? DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL, display_gap); + + ref_clock = mode_info.ref_clock; + refresh_rate = mode_info.refresh_rate; + + if(0 == refresh_rate) + refresh_rate = 60; + + frame_time_in_us = 1000000 / refresh_rate; + + pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us; + display_gap2 = pre_vbi_time_in_us * (ref_clock / 100); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + offsetof(SMU72_SoftRegisters, PreVBlankGap), 0x64); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + offsetof(SMU72_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us)); + + if (num_active_displays == 1) + tonga_notify_smc_display_change(hwmgr, true); + + return 0; +} + +int tonga_display_configuration_changed_task(struct pp_hwmgr *hwmgr) +{ + + tonga_program_display_gap(hwmgr); + + /* to do PhwTonga_CacUpdateDisplayConfiguration(pHwMgr); */ + return 0; +} + +/** +* Set maximum target operating fan output RPM +* +* @param pHwMgr: the address of the powerplay hardware manager. +* @param usMaxFanRpm: max operating fan RPM value. +* @return The response that came from the SMC. +*/ +static int tonga_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm) +{ + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM = us_max_fan_pwm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanRpmMax, us_max_fan_pwm) ? 0 : -1); +} + +uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr) +{ + uint32_t reference_clock; + uint32_t tc; + uint32_t divide; + + ATOM_FIRMWARE_INFO *fw_info; + uint16_t size; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + + tc = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK); + + if (tc) + return TCLK; + + fw_info = (ATOM_FIRMWARE_INFO *)cgs_atom_get_data_table(hwmgr->device, index, + &size, &frev, &crev); + + if (!fw_info) + return 0; + + reference_clock = le16_to_cpu(fw_info->usMinPixelClockPLL_Output); + + divide = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE); + + if (0 != divide) + return reference_clock / 4; + + return reference_clock; +} + +int tonga_dpm_set_interrupt_state(void *private_data, + unsigned src_id, unsigned type, + int enabled) +{ + uint32_t cg_thermal_int; + struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr; + + if (hwmgr == NULL) + return -EINVAL; + + switch (type) { + case AMD_THERMAL_IRQ_LOW_TO_HIGH: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + + case AMD_THERMAL_IRQ_HIGH_TO_LOW: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + default: + break; + } + return 0; +} + +int tonga_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr, + const void *thermal_interrupt_info) +{ + int result; + const struct pp_interrupt_registration_info *info = + (const struct pp_interrupt_registration_info *)thermal_interrupt_info; + + if (info == NULL) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST, + tonga_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST, + tonga_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + return 0; +} + +bool tonga_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + bool is_update_required = false; + struct cgs_display_info info = {0,0,NULL}; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + is_update_required = true; +/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL + if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cgs_get_min_clock_settings(hwmgr->device, &min_clocks); + if(min_clocks.engineClockInSR != data->display_timing.minClockInSR) + is_update_required = true; +*/ + return is_update_required; +} + +static inline bool tonga_are_power_levels_equal(const struct tonga_performance_level *pl1, + const struct tonga_performance_level *pl2) +{ + return ((pl1->memory_clock == pl2->memory_clock) && + (pl1->engine_clock == pl2->engine_clock) && + (pl1->pcie_gen == pl2->pcie_gen) && + (pl1->pcie_lane == pl2->pcie_lane)); +} + +int tonga_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal) +{ + const struct tonga_power_state *psa = cast_const_phw_tonga_power_state(pstate1); + const struct tonga_power_state *psb = cast_const_phw_tonga_power_state(pstate2); + int i; + + if (equal == NULL || psa == NULL || psb == NULL) + return -EINVAL; + + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ + if (psa->performance_level_count != psb->performance_level_count) { + *equal = false; + return 0; + } + + for (i = 0; i < psa->performance_level_count; i++) { + if (!tonga_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) { + /* If we have found even one performance level pair that is different the states are different. */ + *equal = false; + return 0; + } + } + + /* If all performance levels are the same try to use the UVD clocks to break the tie.*/ + *equal = ((psa->uvd_clocks.VCLK == psb->uvd_clocks.VCLK) && (psa->uvd_clocks.DCLK == psb->uvd_clocks.DCLK)); + *equal &= ((psa->vce_clocks.EVCLK == psb->vce_clocks.EVCLK) && (psa->vce_clocks.ECCLK == psb->vce_clocks.ECCLK)); + *equal &= (psa->sclk_threshold == psb->sclk_threshold); + *equal &= (psa->acp_clk == psb->acp_clk); + + return 0; +} + +static int tonga_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + if (mode) { + /* stop auto-manage */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) + tonga_fan_ctrl_stop_smc_fan_control(hwmgr); + tonga_fan_ctrl_set_static_mode(hwmgr, mode); + } else + /* restart auto-manage */ + tonga_fan_ctrl_reset_fan_speed_to_default(hwmgr); + + return 0; +} + +static int tonga_get_fan_control_mode(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->fan_ctrl_is_in_default_mode) + return hwmgr->fan_ctrl_default_mode; + else + return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE); +} + +static const struct pp_hwmgr_func tonga_hwmgr_funcs = { + .backend_init = &tonga_hwmgr_backend_init, + .backend_fini = &tonga_hwmgr_backend_fini, + .asic_setup = &tonga_setup_asic_task, + .dynamic_state_management_enable = &tonga_enable_dpm_tasks, + .apply_state_adjust_rules = tonga_apply_state_adjust_rules, + .force_dpm_level = &tonga_force_dpm_level, + .power_state_set = tonga_set_power_state_tasks, + .get_power_state_size = tonga_get_power_state_size, + .get_mclk = tonga_dpm_get_mclk, + .get_sclk = tonga_dpm_get_sclk, + .patch_boot_state = tonga_dpm_patch_boot_state, + .get_pp_table_entry = tonga_get_pp_table_entry, + .get_num_of_pp_table_entries = tonga_get_number_of_powerplay_table_entries, + .print_current_perforce_level = tonga_print_current_perforce_level, + .powerdown_uvd = tonga_phm_powerdown_uvd, + .powergate_uvd = tonga_phm_powergate_uvd, + .powergate_vce = tonga_phm_powergate_vce, + .disable_clock_power_gating = tonga_phm_disable_clock_power_gating, + .notify_smc_display_config_after_ps_adjustment = tonga_notify_smc_display_config_after_ps_adjustment, + .display_config_changed = tonga_display_configuration_changed_task, + .set_max_fan_pwm_output = tonga_set_max_fan_pwm_output, + .set_max_fan_rpm_output = tonga_set_max_fan_rpm_output, + .get_temperature = tonga_thermal_get_temperature, + .stop_thermal_controller = tonga_thermal_stop_thermal_controller, + .get_fan_speed_info = tonga_fan_ctrl_get_fan_speed_info, + .get_fan_speed_percent = tonga_fan_ctrl_get_fan_speed_percent, + .set_fan_speed_percent = tonga_fan_ctrl_set_fan_speed_percent, + .reset_fan_speed_to_default = tonga_fan_ctrl_reset_fan_speed_to_default, + .get_fan_speed_rpm = tonga_fan_ctrl_get_fan_speed_rpm, + .set_fan_speed_rpm = tonga_fan_ctrl_set_fan_speed_rpm, + .uninitialize_thermal_controller = tonga_thermal_ctrl_uninitialize_thermal_controller, + .register_internal_thermal_interrupt = tonga_register_internal_thermal_interrupt, + .check_smc_update_required_for_display_configuration = tonga_check_smc_update_required_for_display_configuration, + .check_states_equal = tonga_check_states_equal, + .set_fan_control_mode = tonga_set_fan_control_mode, + .get_fan_control_mode = tonga_get_fan_control_mode, +}; + +int tonga_hwmgr_init(struct pp_hwmgr *hwmgr) +{ + tonga_hwmgr *data; + + data = kzalloc (sizeof(tonga_hwmgr), GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + memset(data, 0x00, sizeof(tonga_hwmgr)); + + hwmgr->backend = data; + hwmgr->hwmgr_func = &tonga_hwmgr_funcs; + hwmgr->pptable_func = &tonga_pptable_funcs; + pp_tonga_thermal_initialize(hwmgr); + return 0; +} + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h new file mode 100644 index 000000000000..49168d262ccc --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h @@ -0,0 +1,408 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef TONGA_HWMGR_H +#define TONGA_HWMGR_H + +#include "hwmgr.h" +#include "smu72_discrete.h" +#include "ppatomctrl.h" +#include "ppinterrupt.h" +#include "tonga_powertune.h" + +#define TONGA_MAX_HARDWARE_POWERLEVELS 2 +#define TONGA_DYNCLK_NUMBER_OF_TREND_COEFFICIENTS 15 + +struct tonga_performance_level { + uint32_t memory_clock; + uint32_t engine_clock; + uint16_t pcie_gen; + uint16_t pcie_lane; +}; + +struct _phw_tonga_bacos { + uint32_t best_match; + uint32_t baco_flags; + struct tonga_performance_level performance_level; +}; +typedef struct _phw_tonga_bacos phw_tonga_bacos; + +struct _phw_tonga_uvd_clocks { + uint32_t VCLK; + uint32_t DCLK; +}; + +typedef struct _phw_tonga_uvd_clocks phw_tonga_uvd_clocks; + +struct _phw_tonga_vce_clocks { + uint32_t EVCLK; + uint32_t ECCLK; +}; + +typedef struct _phw_tonga_vce_clocks phw_tonga_vce_clocks; + +struct tonga_power_state { + uint32_t magic; + phw_tonga_uvd_clocks uvd_clocks; + phw_tonga_vce_clocks vce_clocks; + uint32_t sam_clk; + uint32_t acp_clk; + uint16_t performance_level_count; + bool dc_compatible; + uint32_t sclk_threshold; + struct tonga_performance_level performance_levels[TONGA_MAX_HARDWARE_POWERLEVELS]; +}; + +struct _phw_tonga_dpm_level { + bool enabled; + uint32_t value; + uint32_t param1; +}; +typedef struct _phw_tonga_dpm_level phw_tonga_dpm_level; + +#define TONGA_MAX_DEEPSLEEP_DIVIDER_ID 5 +#define MAX_REGULAR_DPM_NUMBER 8 +#define TONGA_MINIMUM_ENGINE_CLOCK 2500 + +struct tonga_single_dpm_table { + uint32_t count; + phw_tonga_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER]; +}; + +struct tonga_dpm_table { + struct tonga_single_dpm_table sclk_table; + struct tonga_single_dpm_table mclk_table; + struct tonga_single_dpm_table pcie_speed_table; + struct tonga_single_dpm_table vddc_table; + struct tonga_single_dpm_table vdd_gfx_table; + struct tonga_single_dpm_table vdd_ci_table; + struct tonga_single_dpm_table mvdd_table; +}; +typedef struct _phw_tonga_dpm_table phw_tonga_dpm_table; + + +struct _phw_tonga_clock_regisiters { + uint32_t vCG_SPLL_FUNC_CNTL; + uint32_t vCG_SPLL_FUNC_CNTL_2; + uint32_t vCG_SPLL_FUNC_CNTL_3; + uint32_t vCG_SPLL_FUNC_CNTL_4; + uint32_t vCG_SPLL_SPREAD_SPECTRUM; + uint32_t vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t vDLL_CNTL; + uint32_t vMCLK_PWRMGT_CNTL; + uint32_t vMPLL_AD_FUNC_CNTL; + uint32_t vMPLL_DQ_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL_1; + uint32_t vMPLL_FUNC_CNTL_2; + uint32_t vMPLL_SS1; + uint32_t vMPLL_SS2; +}; +typedef struct _phw_tonga_clock_regisiters phw_tonga_clock_registers; + +struct _phw_tonga_voltage_smio_registers { + uint32_t vs0_vid_lower_smio_cntl; +}; +typedef struct _phw_tonga_voltage_smio_registers phw_tonga_voltage_smio_registers; + + +struct _phw_tonga_mc_reg_entry { + uint32_t mclk_max; + uint32_t mc_data[SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct _phw_tonga_mc_reg_entry phw_tonga_mc_reg_entry; + +struct _phw_tonga_mc_reg_table { + uint8_t last; /* number of registers*/ + uint8_t num_entries; /* number of entries in mc_reg_table_entry used*/ + uint16_t validflag; /* indicate the corresponding register is valid or not. 1: valid, 0: invalid. bit0->address[0], bit1->address[1], etc.*/ + phw_tonga_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES]; + SMU72_Discrete_MCRegisterAddress mc_reg_address[SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct _phw_tonga_mc_reg_table phw_tonga_mc_reg_table; + +#define DISABLE_MC_LOADMICROCODE 1 +#define DISABLE_MC_CFGPROGRAMMING 2 + +/*Ultra Low Voltage parameter structure */ +struct _phw_tonga_ulv_parm{ + bool ulv_supported; + uint32_t ch_ulv_parameter; + uint32_t ulv_volt_change_delay; + struct tonga_performance_level ulv_power_level; +}; +typedef struct _phw_tonga_ulv_parm phw_tonga_ulv_parm; + +#define TONGA_MAX_LEAKAGE_COUNT 8 + +struct _phw_tonga_leakage_voltage { + uint16_t count; + uint16_t leakage_id[TONGA_MAX_LEAKAGE_COUNT]; + uint16_t actual_voltage[TONGA_MAX_LEAKAGE_COUNT]; +}; +typedef struct _phw_tonga_leakage_voltage phw_tonga_leakage_voltage; + +struct _phw_tonga_display_timing { + uint32_t min_clock_insr; + uint32_t num_existing_displays; +}; +typedef struct _phw_tonga_display_timing phw_tonga_display_timing; + +struct _phw_tonga_dpmlevel_enable_mask { + uint32_t uvd_dpm_enable_mask; + uint32_t vce_dpm_enable_mask; + uint32_t acp_dpm_enable_mask; + uint32_t samu_dpm_enable_mask; + uint32_t sclk_dpm_enable_mask; + uint32_t mclk_dpm_enable_mask; + uint32_t pcie_dpm_enable_mask; +}; +typedef struct _phw_tonga_dpmlevel_enable_mask phw_tonga_dpmlevel_enable_mask; + +struct _phw_tonga_pcie_perf_range { + uint16_t max; + uint16_t min; +}; +typedef struct _phw_tonga_pcie_perf_range phw_tonga_pcie_perf_range; + +struct _phw_tonga_vbios_boot_state { + uint16_t mvdd_bootup_value; + uint16_t vddc_bootup_value; + uint16_t vddci_bootup_value; + uint16_t vddgfx_bootup_value; + uint32_t sclk_bootup_value; + uint32_t mclk_bootup_value; + uint16_t pcie_gen_bootup_value; + uint16_t pcie_lane_bootup_value; +}; +typedef struct _phw_tonga_vbios_boot_state phw_tonga_vbios_boot_state; + +#define DPMTABLE_OD_UPDATE_SCLK 0x00000001 +#define DPMTABLE_OD_UPDATE_MCLK 0x00000002 +#define DPMTABLE_UPDATE_SCLK 0x00000004 +#define DPMTABLE_UPDATE_MCLK 0x00000008 + +/* We need to review which fields are needed. */ +/* This is mostly a copy of the RV7xx/Evergreen structure which is close, but not identical to the N.Islands one. */ +struct tonga_hwmgr { + struct tonga_dpm_table dpm_table; + struct tonga_dpm_table golden_dpm_table; + + uint32_t voting_rights_clients0; + uint32_t voting_rights_clients1; + uint32_t voting_rights_clients2; + uint32_t voting_rights_clients3; + uint32_t voting_rights_clients4; + uint32_t voting_rights_clients5; + uint32_t voting_rights_clients6; + uint32_t voting_rights_clients7; + uint32_t static_screen_threshold_unit; + uint32_t static_screen_threshold; + uint32_t voltage_control; + uint32_t vdd_gfx_control; + + uint32_t vddc_vddci_delta; + uint32_t vddc_vddgfx_delta; + + struct pp_interrupt_registration_info internal_high_thermal_interrupt_info; + struct pp_interrupt_registration_info internal_low_thermal_interrupt_info; + struct pp_interrupt_registration_info smc_to_host_interrupt_info; + uint32_t active_auto_throttle_sources; + + struct pp_interrupt_registration_info external_throttle_interrupt; + irq_handler_func_t external_throttle_callback; + void *external_throttle_context; + + struct pp_interrupt_registration_info ctf_interrupt_info; + irq_handler_func_t ctf_callback; + void *ctf_context; + + phw_tonga_clock_registers clock_registers; + phw_tonga_voltage_smio_registers voltage_smio_registers; + + bool is_memory_GDDR5; + uint16_t acpi_vddc; + bool pspp_notify_required; /* Flag to indicate if PSPP notification to SBIOS is required */ + uint16_t force_pcie_gen; /* The forced PCI-E speed if not 0xffff */ + uint16_t acpi_pcie_gen; /* The PCI-E speed at ACPI time */ + uint32_t pcie_gen_cap; /* The PCI-E speed capabilities bitmap from CAIL */ + uint32_t pcie_lane_cap; /* The PCI-E lane capabilities bitmap from CAIL */ + uint32_t pcie_spc_cap; /* Symbol Per Clock Capabilities from registry */ + phw_tonga_leakage_voltage vddc_leakage; /* The Leakage VDDC supported (based on leakage ID).*/ + phw_tonga_leakage_voltage vddcgfx_leakage; /* The Leakage VDDC supported (based on leakage ID). */ + phw_tonga_leakage_voltage vddci_leakage; /* The Leakage VDDCI supported (based on leakage ID). */ + + uint32_t mvdd_control; + uint32_t vddc_mask_low; + uint32_t mvdd_mask_low; + uint16_t max_vddc_in_pp_table; /* the maximum VDDC value in the powerplay table*/ + uint16_t min_vddc_in_pp_table; + uint16_t max_vddci_in_pp_table; /* the maximum VDDCI value in the powerplay table */ + uint16_t min_vddci_in_pp_table; + uint32_t mclk_strobe_mode_threshold; + uint32_t mclk_stutter_mode_threshold; + uint32_t mclk_edc_enable_threshold; + uint32_t mclk_edc_wr_enable_threshold; + bool is_uvd_enabled; + bool is_xdma_enabled; + phw_tonga_vbios_boot_state vbios_boot_state; + + bool battery_state; + bool is_tlu_enabled; + bool pcie_performance_request; + + /* -------------- SMC SRAM Address of firmware header tables ----------------*/ + uint32_t sram_end; /* The first address after the SMC SRAM. */ + uint32_t dpm_table_start; /* The start of the dpm table in the SMC SRAM. */ + uint32_t soft_regs_start; /* The start of the soft registers in the SMC SRAM. */ + uint32_t mc_reg_table_start; /* The start of the mc register table in the SMC SRAM. */ + uint32_t fan_table_start; /* The start of the fan table in the SMC SRAM. */ + uint32_t arb_table_start; /* The start of the ARB setting table in the SMC SRAM. */ + SMU72_Discrete_DpmTable smc_state_table; /* The carbon copy of the SMC state table. */ + SMU72_Discrete_MCRegisters mc_reg_table; + SMU72_Discrete_Ulv ulv_setting; /* The carbon copy of ULV setting. */ + /* -------------- Stuff originally coming from Evergreen --------------------*/ + phw_tonga_mc_reg_table tonga_mc_reg_table; + uint32_t vdd_ci_control; + pp_atomctrl_voltage_table vddc_voltage_table; + pp_atomctrl_voltage_table vddci_voltage_table; + pp_atomctrl_voltage_table vddgfx_voltage_table; + pp_atomctrl_voltage_table mvdd_voltage_table; + + uint32_t mgcg_cgtt_local2; + uint32_t mgcg_cgtt_local3; + uint32_t gpio_debug; + uint32_t mc_micro_code_feature; + uint32_t highest_mclk; + uint16_t acpi_vdd_ci; + uint8_t mvdd_high_index; + uint8_t mvdd_low_index; + bool dll_defaule_on; + bool performance_request_registered; + + /* ----------------- Low Power Features ---------------------*/ + phw_tonga_bacos bacos; + phw_tonga_ulv_parm ulv; + /* ----------------- CAC Stuff ---------------------*/ + uint32_t cac_table_start; + bool cac_configuration_required; /* TRUE if PP_CACConfigurationRequired == 1 */ + bool driver_calculate_cac_leakage; /* TRUE if PP_DriverCalculateCACLeakage == 1 */ + bool cac_enabled; + /* ----------------- DPM2 Parameters ---------------------*/ + uint32_t power_containment_features; + bool enable_bapm_feature; + bool enable_tdc_limit_feature; + bool enable_pkg_pwr_tracking_feature; + bool disable_uvd_power_tune_feature; + phw_tonga_pt_defaults *power_tune_defaults; + SMU72_Discrete_PmFuses power_tune_table; + uint32_t ul_dte_tj_offset; /* Fudge factor in DPM table to correct HW DTE errors */ + uint32_t fast_watemark_threshold; /* use fast watermark if clock is equal or above this. In percentage of the target high sclk. */ + + /* ----------------- Phase Shedding ---------------------*/ + bool vddc_phase_shed_control; + /* --------------------- DI/DT --------------------------*/ + phw_tonga_display_timing display_timing; + /* --------- ReadRegistry data for memory and engine clock margins ---- */ + uint32_t engine_clock_data; + uint32_t memory_clock_data; + /* -------- Thermal Temperature Setting --------------*/ + phw_tonga_dpmlevel_enable_mask dpm_level_enable_mask; + uint32_t need_update_smu7_dpm_table; + uint32_t sclk_dpm_key_disabled; + uint32_t mclk_dpm_key_disabled; + uint32_t pcie_dpm_key_disabled; + uint32_t min_engine_clocks; /* used to store the previous dal min sclock */ + phw_tonga_pcie_perf_range pcie_gen_performance; + phw_tonga_pcie_perf_range pcie_lane_performance; + phw_tonga_pcie_perf_range pcie_gen_power_saving; + phw_tonga_pcie_perf_range pcie_lane_power_saving; + bool use_pcie_performance_levels; + bool use_pcie_power_saving_levels; + uint32_t activity_target[SMU72_MAX_LEVELS_GRAPHICS]; /* percentage value from 0-100, default 50 */ + uint32_t mclk_activity_target; + uint32_t low_sclk_interrupt_threshold; + uint32_t last_mclk_dpm_enable_mask; + bool uvd_enabled; + uint32_t pcc_monitor_enabled; + + /* --------- Power Gating States ------------*/ + bool uvd_power_gated; /* 1: gated, 0:not gated */ + bool vce_power_gated; /* 1: gated, 0:not gated */ + bool samu_power_gated; /* 1: gated, 0:not gated */ + bool acp_power_gated; /* 1: gated, 0:not gated */ + bool pg_acp_init; + +}; + +typedef struct tonga_hwmgr tonga_hwmgr; + +#define TONGA_DPM2_NEAR_TDP_DEC 10 +#define TONGA_DPM2_ABOVE_SAFE_INC 5 +#define TONGA_DPM2_BELOW_SAFE_INC 20 + +#define TONGA_DPM2_LTA_WINDOW_SIZE 7 /* Log2 of the LTA window size (l2numWin_TDP). Eg. If LTA windows size is 128, then this value should be Log2(128) = 7. */ + +#define TONGA_DPM2_LTS_TRUNCATE 0 + +#define TONGA_DPM2_TDP_SAFE_LIMIT_PERCENT 80 /* Maximum 100 */ + +#define TONGA_DPM2_MAXPS_PERCENT_H 90 /* Maximum 0xFF */ +#define TONGA_DPM2_MAXPS_PERCENT_M 90 /* Maximum 0xFF */ + +#define TONGA_DPM2_PWREFFICIENCYRATIO_MARGIN 50 + +#define TONGA_DPM2_SQ_RAMP_MAX_POWER 0x3FFF +#define TONGA_DPM2_SQ_RAMP_MIN_POWER 0x12 +#define TONGA_DPM2_SQ_RAMP_MAX_POWER_DELTA 0x15 +#define TONGA_DPM2_SQ_RAMP_SHORT_TERM_INTERVAL_SIZE 0x1E +#define TONGA_DPM2_SQ_RAMP_LONG_TERM_INTERVAL_RATIO 0xF + +#define TONGA_VOLTAGE_CONTROL_NONE 0x0 +#define TONGA_VOLTAGE_CONTROL_BY_GPIO 0x1 +#define TONGA_VOLTAGE_CONTROL_BY_SVID2 0x2 +#define TONGA_VOLTAGE_CONTROL_MERGED 0x3 + +#define TONGA_Q88_FORMAT_CONVERSION_UNIT 256 /*To convert to Q8.8 format for firmware */ + +#define TONGA_UNUSED_GPIO_PIN 0x7F + +#define PP_HOST_TO_SMC_UL(X) cpu_to_be32(X) +#define PP_SMC_TO_HOST_UL(X) be32_to_cpu(X) + +#define PP_HOST_TO_SMC_US(X) cpu_to_be16(X) +#define PP_SMC_TO_HOST_US(X) be16_to_cpu(X) + +#define CONVERT_FROM_HOST_TO_SMC_UL(X) ((X) = PP_HOST_TO_SMC_UL(X)) +#define CONVERT_FROM_SMC_TO_HOST_UL(X) ((X) = PP_SMC_TO_HOST_UL(X)) + +#define CONVERT_FROM_HOST_TO_SMC_US(X) ((X) = PP_HOST_TO_SMC_US(X)) + +int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); +int tonga_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input); +int tonga_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate); +int tonga_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable); +int tonga_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable); +uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr); + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h new file mode 100644 index 000000000000..8e6670b3cb67 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h @@ -0,0 +1,66 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef TONGA_POWERTUNE_H +#define TONGA_POWERTUNE_H + +enum _phw_tonga_ptc_config_reg_type { + TONGA_CONFIGREG_MMR = 0, + TONGA_CONFIGREG_SMC_IND, + TONGA_CONFIGREG_DIDT_IND, + TONGA_CONFIGREG_CACHE, + + TONGA_CONFIGREG_MAX +}; +typedef enum _phw_tonga_ptc_config_reg_type phw_tonga_ptc_config_reg_type; + +/* PowerContainment Features */ +#define POWERCONTAINMENT_FEATURE_BAPM 0x00000001 +#define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 +#define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 + +struct _phw_tonga_pt_config_reg { + uint32_t Offset; + uint32_t Mask; + uint32_t Shift; + uint32_t Value; + phw_tonga_ptc_config_reg_type Type; +}; +typedef struct _phw_tonga_pt_config_reg phw_tonga_pt_config_reg; + +struct _phw_tonga_pt_defaults { + uint8_t svi_load_line_en; + uint8_t svi_load_line_vddC; + uint8_t tdc_vddc_throttle_release_limit_perc; + uint8_t tdc_mawt; + uint8_t tdc_waterfall_ctl; + uint8_t dte_ambient_temp_base; + uint32_t display_cac; + uint32_t bamp_temp_gradient; + uint16_t bapmti_r[SMU72_DTE_ITERATIONS * SMU72_DTE_SOURCES * SMU72_DTE_SINKS]; + uint16_t bapmti_rc[SMU72_DTE_ITERATIONS * SMU72_DTE_SOURCES * SMU72_DTE_SINKS]; +}; +typedef struct _phw_tonga_pt_defaults phw_tonga_pt_defaults; + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_pptable.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_pptable.h new file mode 100644 index 000000000000..9a4456e6521b --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_pptable.h @@ -0,0 +1,406 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef TONGA_PPTABLE_H +#define TONGA_PPTABLE_H + +/** \file + * This is a PowerPlay table header file + */ +#pragma pack(push, 1) + +#include "hwmgr.h" + +#define ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK 0x0f +#define ATOM_TONGA_PP_FANPARAMETERS_NOFAN 0x80 /* No fan is connected to this controller. */ + +#define ATOM_TONGA_PP_THERMALCONTROLLER_NONE 0 +#define ATOM_TONGA_PP_THERMALCONTROLLER_LM96163 17 +#define ATOM_TONGA_PP_THERMALCONTROLLER_TONGA 21 +#define ATOM_TONGA_PP_THERMALCONTROLLER_FIJI 22 + +/* + * Thermal controller 'combo type' to use an external controller for Fan control and an internal controller for thermal. + * We probably should reserve the bit 0x80 for this use. + * To keep the number of these types low we should also use the same code for all ASICs (i.e. do not distinguish RV6xx and RV7xx Internal here). + * The driver can pick the correct internal controller based on the ASIC. + */ + +#define ATOM_TONGA_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL 0x89 /* ADT7473 Fan Control + Internal Thermal Controller */ +#define ATOM_TONGA_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL 0x8D /* EMC2103 Fan Control + Internal Thermal Controller */ + +/*/* ATOM_TONGA_POWERPLAYTABLE::ulPlatformCaps */ +#define ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL 0x1 /* This cap indicates whether vddgfx will be a separated power rail. */ +#define ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY 0x2 /* This cap indicates whether this is a mobile part and CCC need to show Powerplay page. */ +#define ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE 0x4 /* This cap indicates whether power source notificaiton is done by SBIOS directly. */ +#define ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND 0x8 /* Enable the option to overwrite voltage island feature to be disabled, regardless of VddGfx power rail support. */ +#define ____RETIRE16____ 0x10 +#define ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC 0x20 /* This cap indicates whether power source notificaiton is done by GPIO directly. */ +#define ____RETIRE64____ 0x40 +#define ____RETIRE128____ 0x80 +#define ____RETIRE256____ 0x100 +#define ____RETIRE512____ 0x200 +#define ____RETIRE1024____ 0x400 +#define ____RETIRE2048____ 0x800 +#define ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL 0x1000 /* This cap indicates dynamic MVDD is required. Uncheck to disable it. */ +#define ____RETIRE2000____ 0x2000 +#define ____RETIRE4000____ 0x4000 +#define ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL 0x8000 /* This cap indicates dynamic VDDCI is required. Uncheck to disable it. */ +#define ____RETIRE10000____ 0x10000 +#define ATOM_TONGA_PP_PLATFORM_CAP_BACO 0x20000 /* Enable to indicate the driver supports BACO state. */ + +#define ATOM_TONGA_PP_PLATFORM_CAP_OUTPUT_THERMAL2GPIO17 0x100000 /* Enable to indicate the driver supports thermal2GPIO17. */ +#define ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL 0x1000000 /* Enable to indicate if thermal and PCC are sharing the same GPIO */ +#define ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE 0x2000000 + +/* ATOM_PPLIB_NONCLOCK_INFO::usClassification */ +#define ATOM_PPLIB_CLASSIFICATION_UI_MASK 0x0007 +#define ATOM_PPLIB_CLASSIFICATION_UI_SHIFT 0 +#define ATOM_PPLIB_CLASSIFICATION_UI_NONE 0 +#define ATOM_PPLIB_CLASSIFICATION_UI_BATTERY 1 +#define ATOM_PPLIB_CLASSIFICATION_UI_BALANCED 3 +#define ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE 5 +/* 2, 4, 6, 7 are reserved */ + +#define ATOM_PPLIB_CLASSIFICATION_BOOT 0x0008 +#define ATOM_PPLIB_CLASSIFICATION_THERMAL 0x0010 +#define ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE 0x0020 +#define ATOM_PPLIB_CLASSIFICATION_REST 0x0040 +#define ATOM_PPLIB_CLASSIFICATION_FORCED 0x0080 +#define ATOM_PPLIB_CLASSIFICATION_ACPI 0x1000 + +/* ATOM_PPLIB_NONCLOCK_INFO::usClassification2 */ +#define ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2 0x0001 + +#define ATOM_Tonga_DISALLOW_ON_DC 0x00004000 +#define ATOM_Tonga_ENABLE_VARIBRIGHT 0x00008000 + +#define ATOM_Tonga_TABLE_REVISION_TONGA 7 + +typedef struct _ATOM_Tonga_POWERPLAYTABLE { + ATOM_COMMON_TABLE_HEADER sHeader; + + UCHAR ucTableRevision; + USHORT usTableSize; /*the size of header structure */ + + ULONG ulGoldenPPID; + ULONG ulGoldenRevision; + USHORT usFormatID; + + USHORT usVoltageTime; /*in microseconds */ + ULONG ulPlatformCaps; /*See ATOM_Tonga_CAPS_* */ + + ULONG ulMaxODEngineClock; /*For Overdrive. */ + ULONG ulMaxODMemoryClock; /*For Overdrive. */ + + USHORT usPowerControlLimit; + USHORT usUlvVoltageOffset; /*in mv units */ + + USHORT usStateArrayOffset; /*points to ATOM_Tonga_State_Array */ + USHORT usFanTableOffset; /*points to ATOM_Tonga_Fan_Table */ + USHORT usThermalControllerOffset; /*points to ATOM_Tonga_Thermal_Controller */ + USHORT usReserv; /*CustomThermalPolicy removed for Tonga. Keep this filed as reserved. */ + + USHORT usMclkDependencyTableOffset; /*points to ATOM_Tonga_MCLK_Dependency_Table */ + USHORT usSclkDependencyTableOffset; /*points to ATOM_Tonga_SCLK_Dependency_Table */ + USHORT usVddcLookupTableOffset; /*points to ATOM_Tonga_Voltage_Lookup_Table */ + USHORT usVddgfxLookupTableOffset; /*points to ATOM_Tonga_Voltage_Lookup_Table */ + + USHORT usMMDependencyTableOffset; /*points to ATOM_Tonga_MM_Dependency_Table */ + + USHORT usVCEStateTableOffset; /*points to ATOM_Tonga_VCE_State_Table; */ + + USHORT usPPMTableOffset; /*points to ATOM_Tonga_PPM_Table */ + USHORT usPowerTuneTableOffset; /*points to ATOM_PowerTune_Table */ + + USHORT usHardLimitTableOffset; /*points to ATOM_Tonga_Hard_Limit_Table */ + + USHORT usPCIETableOffset; /*points to ATOM_Tonga_PCIE_Table */ + + USHORT usGPIOTableOffset; /*points to ATOM_Tonga_GPIO_Table */ + + USHORT usReserved[6]; /*TODO: modify reserved size to fit structure aligning */ +} ATOM_Tonga_POWERPLAYTABLE; + +typedef struct _ATOM_Tonga_State { + UCHAR ucEngineClockIndexHigh; + UCHAR ucEngineClockIndexLow; + + UCHAR ucMemoryClockIndexHigh; + UCHAR ucMemoryClockIndexLow; + + UCHAR ucPCIEGenLow; + UCHAR ucPCIEGenHigh; + + UCHAR ucPCIELaneLow; + UCHAR ucPCIELaneHigh; + + USHORT usClassification; + ULONG ulCapsAndSettings; + USHORT usClassification2; + UCHAR ucUnused[4]; +} ATOM_Tonga_State; + +typedef struct _ATOM_Tonga_State_Array { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_State states[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_State_Array; + +typedef struct _ATOM_Tonga_MCLK_Dependency_Record { + UCHAR ucVddcInd; /* Vddc voltage */ + USHORT usVddci; + USHORT usVddgfxOffset; /* Offset relative to Vddc voltage */ + USHORT usMvdd; + ULONG ulMclk; + USHORT usReserved; +} ATOM_Tonga_MCLK_Dependency_Record; + +typedef struct _ATOM_Tonga_MCLK_Dependency_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_MCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_MCLK_Dependency_Table; + +typedef struct _ATOM_Tonga_SCLK_Dependency_Record { + UCHAR ucVddInd; /* Base voltage */ + USHORT usVddcOffset; /* Offset relative to base voltage */ + ULONG ulSclk; + USHORT usEdcCurrent; + UCHAR ucReliabilityTemperature; + UCHAR ucCKSVOffsetandDisable; /* Bits 0~6: Voltage offset for CKS, Bit 7: Disable/enable for the SCLK level. */ +} ATOM_Tonga_SCLK_Dependency_Record; + +typedef struct _ATOM_Tonga_SCLK_Dependency_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_SCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_SCLK_Dependency_Table; + +typedef struct _ATOM_Tonga_PCIE_Record { + UCHAR ucPCIEGenSpeed; + UCHAR usPCIELaneWidth; + UCHAR ucReserved[2]; +} ATOM_Tonga_PCIE_Record; + +typedef struct _ATOM_Tonga_PCIE_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_PCIE_Record entries[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_PCIE_Table; + +typedef struct _ATOM_Tonga_MM_Dependency_Record { + UCHAR ucVddcInd; /* VDDC voltage */ + USHORT usVddgfxOffset; /* Offset relative to VDDC voltage */ + ULONG ulDClk; /* UVD D-clock */ + ULONG ulVClk; /* UVD V-clock */ + ULONG ulEClk; /* VCE clock */ + ULONG ulAClk; /* ACP clock */ + ULONG ulSAMUClk; /* SAMU clock */ +} ATOM_Tonga_MM_Dependency_Record; + +typedef struct _ATOM_Tonga_MM_Dependency_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_MM_Dependency_Record entries[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_MM_Dependency_Table; + +typedef struct _ATOM_Tonga_Voltage_Lookup_Record { + USHORT usVdd; /* Base voltage */ + USHORT usCACLow; + USHORT usCACMid; + USHORT usCACHigh; +} ATOM_Tonga_Voltage_Lookup_Record; + +typedef struct _ATOM_Tonga_Voltage_Lookup_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; /* Number of entries. */ + ATOM_Tonga_Voltage_Lookup_Record entries[1]; /* Dynamically allocate entries. */ +} ATOM_Tonga_Voltage_Lookup_Table; + +typedef struct _ATOM_Tonga_Fan_Table { + UCHAR ucRevId; /* Change this if the table format changes or version changes so that the other fields are not the same. */ + UCHAR ucTHyst; /* Temperature hysteresis. Integer. */ + USHORT usTMin; /* The temperature, in 0.01 centigrades, below which we just run at a minimal PWM. */ + USHORT usTMed; /* The middle temperature where we change slopes. */ + USHORT usTHigh; /* The high point above TMed for adjusting the second slope. */ + USHORT usPWMMin; /* The minimum PWM value in percent (0.01% increments). */ + USHORT usPWMMed; /* The PWM value (in percent) at TMed. */ + USHORT usPWMHigh; /* The PWM value at THigh. */ + USHORT usTMax; /* The max temperature */ + UCHAR ucFanControlMode; /* Legacy or Fuzzy Fan mode */ + USHORT usFanPWMMax; /* Maximum allowed fan power in percent */ + USHORT usFanOutputSensitivity; /* Sensitivity of fan reaction to temepature changes */ + USHORT usFanRPMMax; /* The default value in RPM */ + ULONG ulMinFanSCLKAcousticLimit; /* Minimum Fan Controller SCLK Frequency Acoustic Limit. */ + UCHAR ucTargetTemperature; /* Advanced fan controller target temperature. */ + UCHAR ucMinimumPWMLimit; /* The minimum PWM that the advanced fan controller can set. This should be set to the highest PWM that will run the fan at its lowest RPM. */ + USHORT usReserved; +} ATOM_Tonga_Fan_Table; + +typedef struct _ATOM_Fiji_Fan_Table { + UCHAR ucRevId; /* Change this if the table format changes or version changes so that the other fields are not the same. */ + UCHAR ucTHyst; /* Temperature hysteresis. Integer. */ + USHORT usTMin; /* The temperature, in 0.01 centigrades, below which we just run at a minimal PWM. */ + USHORT usTMed; /* The middle temperature where we change slopes. */ + USHORT usTHigh; /* The high point above TMed for adjusting the second slope. */ + USHORT usPWMMin; /* The minimum PWM value in percent (0.01% increments). */ + USHORT usPWMMed; /* The PWM value (in percent) at TMed. */ + USHORT usPWMHigh; /* The PWM value at THigh. */ + USHORT usTMax; /* The max temperature */ + UCHAR ucFanControlMode; /* Legacy or Fuzzy Fan mode */ + USHORT usFanPWMMax; /* Maximum allowed fan power in percent */ + USHORT usFanOutputSensitivity; /* Sensitivity of fan reaction to temepature changes */ + USHORT usFanRPMMax; /* The default value in RPM */ + ULONG ulMinFanSCLKAcousticLimit; /* Minimum Fan Controller SCLK Frequency Acoustic Limit. */ + UCHAR ucTargetTemperature; /* Advanced fan controller target temperature. */ + UCHAR ucMinimumPWMLimit; /* The minimum PWM that the advanced fan controller can set. This should be set to the highest PWM that will run the fan at its lowest RPM. */ + USHORT usFanGainEdge; + USHORT usFanGainHotspot; + USHORT usFanGainLiquid; + USHORT usFanGainVrVddc; + USHORT usFanGainVrMvdd; + USHORT usFanGainPlx; + USHORT usFanGainHbm; + USHORT usReserved; +} ATOM_Fiji_Fan_Table; + +typedef struct _ATOM_Tonga_Thermal_Controller { + UCHAR ucRevId; + UCHAR ucType; /* one of ATOM_TONGA_PP_THERMALCONTROLLER_* */ + UCHAR ucI2cLine; /* as interpreted by DAL I2C */ + UCHAR ucI2cAddress; + UCHAR ucFanParameters; /* Fan Control Parameters. */ + UCHAR ucFanMinRPM; /* Fan Minimum RPM (hundreds) -- for display purposes only. */ + UCHAR ucFanMaxRPM; /* Fan Maximum RPM (hundreds) -- for display purposes only. */ + UCHAR ucReserved; + UCHAR ucFlags; /* to be defined */ +} ATOM_Tonga_Thermal_Controller; + +typedef struct _ATOM_Tonga_VCE_State_Record { + UCHAR ucVCEClockIndex; /*index into usVCEDependencyTableOffset of 'ATOM_Tonga_MM_Dependency_Table' type */ + UCHAR ucFlag; /* 2 bits indicates memory p-states */ + UCHAR ucSCLKIndex; /*index into ATOM_Tonga_SCLK_Dependency_Table */ + UCHAR ucMCLKIndex; /*index into ATOM_Tonga_MCLK_Dependency_Table */ +} ATOM_Tonga_VCE_State_Record; + +typedef struct _ATOM_Tonga_VCE_State_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; + ATOM_Tonga_VCE_State_Record entries[1]; +} ATOM_Tonga_VCE_State_Table; + +typedef struct _ATOM_Tonga_PowerTune_Table { + UCHAR ucRevId; + USHORT usTDP; + USHORT usConfigurableTDP; + USHORT usTDC; + USHORT usBatteryPowerLimit; + USHORT usSmallPowerLimit; + USHORT usLowCACLeakage; + USHORT usHighCACLeakage; + USHORT usMaximumPowerDeliveryLimit; + USHORT usTjMax; + USHORT usPowerTuneDataSetID; + USHORT usEDCLimit; + USHORT usSoftwareShutdownTemp; + USHORT usClockStretchAmount; + USHORT usReserve[2]; +} ATOM_Tonga_PowerTune_Table; + +typedef struct _ATOM_Fiji_PowerTune_Table { + UCHAR ucRevId; + USHORT usTDP; + USHORT usConfigurableTDP; + USHORT usTDC; + USHORT usBatteryPowerLimit; + USHORT usSmallPowerLimit; + USHORT usLowCACLeakage; + USHORT usHighCACLeakage; + USHORT usMaximumPowerDeliveryLimit; + USHORT usTjMax; /* For Fiji, this is also usTemperatureLimitEdge; */ + USHORT usPowerTuneDataSetID; + USHORT usEDCLimit; + USHORT usSoftwareShutdownTemp; + USHORT usClockStretchAmount; + USHORT usTemperatureLimitHotspot; /*The following are added for Fiji */ + USHORT usTemperatureLimitLiquid1; + USHORT usTemperatureLimitLiquid2; + USHORT usTemperatureLimitVrVddc; + USHORT usTemperatureLimitVrMvdd; + USHORT usTemperatureLimitPlx; + UCHAR ucLiquid1_I2C_address; /*Liquid */ + UCHAR ucLiquid2_I2C_address; + UCHAR ucLiquid_I2C_Line; + UCHAR ucVr_I2C_address; /*VR */ + UCHAR ucVr_I2C_Line; + UCHAR ucPlx_I2C_address; /*PLX */ + UCHAR ucPlx_I2C_Line; + USHORT usReserved; +} ATOM_Fiji_PowerTune_Table; + +#define ATOM_PPM_A_A 1 +#define ATOM_PPM_A_I 2 +typedef struct _ATOM_Tonga_PPM_Table { + UCHAR ucRevId; + UCHAR ucPpmDesign; /*A+I or A+A */ + USHORT usCpuCoreNumber; + ULONG ulPlatformTDP; + ULONG ulSmallACPlatformTDP; + ULONG ulPlatformTDC; + ULONG ulSmallACPlatformTDC; + ULONG ulApuTDP; + ULONG ulDGpuTDP; + ULONG ulDGpuUlvPower; + ULONG ulTjmax; +} ATOM_Tonga_PPM_Table; + +typedef struct _ATOM_Tonga_Hard_Limit_Record { + ULONG ulSCLKLimit; + ULONG ulMCLKLimit; + USHORT usVddcLimit; + USHORT usVddciLimit; + USHORT usVddgfxLimit; +} ATOM_Tonga_Hard_Limit_Record; + +typedef struct _ATOM_Tonga_Hard_Limit_Table { + UCHAR ucRevId; + UCHAR ucNumEntries; + ATOM_Tonga_Hard_Limit_Record entries[1]; +} ATOM_Tonga_Hard_Limit_Table; + +typedef struct _ATOM_Tonga_GPIO_Table { + UCHAR ucRevId; + UCHAR ucVRHotTriggeredSclkDpmIndex; /* If VRHot signal is triggered SCLK will be limited to this DPM level */ + UCHAR ucReserve[5]; +} ATOM_Tonga_GPIO_Table; + +typedef struct _PPTable_Generic_SubTable_Header { + UCHAR ucRevId; +} PPTable_Generic_SubTable_Header; + + +#pragma pack(pop) + + +#endif diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c new file mode 100644 index 000000000000..34f4bef3691f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c @@ -0,0 +1,1142 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/fb.h> + +#include "tonga_processpptables.h" +#include "ppatomctrl.h" +#include "atombios.h" +#include "pp_debug.h" +#include "hwmgr.h" +#include "cgs_common.h" +#include "tonga_pptable.h" + +/** + * Private Function used during initialization. + * @param hwmgr Pointer to the hardware manager. + * @param setIt A flag indication if the capability should be set (TRUE) or reset (FALSE). + * @param cap Which capability to set/reset. + */ +static void set_hw_cap(struct pp_hwmgr *hwmgr, bool setIt, enum phm_platform_caps cap) +{ + if (setIt) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap); + else + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap); +} + + +/** + * Private Function used during initialization. + * @param hwmgr Pointer to the hardware manager. + * @param powerplay_caps the bit array (from BIOS) of capability bits. + * @exception the current implementation always returns 1. + */ +static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps) +{ + PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE16____), + "ATOM_PP_PLATFORM_CAP_ASPM_L1 is not supported!", continue); + PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE64____), + "ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY is not supported!", continue); + PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE512____), + "ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL is not supported!", continue); + PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE1024____), + "ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 is not supported!", continue); + PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE2048____), + "ATOM_PP_PLATFORM_CAP_HTLINKCONTROL is not supported!", continue); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY), + PHM_PlatformCaps_PowerPlaySupport + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE), + PHM_PlatformCaps_BiosPowerSourceControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC), + PHM_PlatformCaps_AutomaticDCTransition + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL), + PHM_PlatformCaps_EnableMVDDControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL), + PHM_PlatformCaps_ControlVDDCI + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL), + PHM_PlatformCaps_ControlVDDGFX + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_BACO), + PHM_PlatformCaps_BACO + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND), + PHM_PlatformCaps_DisableVoltageIsland + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL), + PHM_PlatformCaps_CombinePCCWithThermalSignal + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE), + PHM_PlatformCaps_LoadPostProductionFirmware + ); + + return 0; +} + +/** + * Private Function to get the PowerPlay Table Address. + */ +const void *get_powerplay_table(struct pp_hwmgr *hwmgr) +{ + int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); + + u16 size; + u8 frev, crev; + void *table_address; + + table_address = (ATOM_Tonga_POWERPLAYTABLE *) + cgs_atom_get_data_table(hwmgr->device, index, &size, &frev, &crev); + + hwmgr->soft_pp_table = table_address; /*Cache the result in RAM.*/ + + return table_address; +} + +static int get_vddc_lookup_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table **lookup_table, + const ATOM_Tonga_Voltage_Lookup_Table *vddc_lookup_pp_tables, + uint32_t max_levels + ) +{ + uint32_t table_size, i; + phm_ppt_v1_voltage_lookup_table *table; + + PP_ASSERT_WITH_CODE((0 != vddc_lookup_pp_tables->ucNumEntries), + "Invalid CAC Leakage PowerPlay Table!", return 1); + + table_size = sizeof(uint32_t) + + sizeof(phm_ppt_v1_voltage_lookup_record) * max_levels; + + table = (phm_ppt_v1_voltage_lookup_table *) + kzalloc(table_size, GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + memset(table, 0x00, table_size); + + table->count = vddc_lookup_pp_tables->ucNumEntries; + + for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) { + table->entries[i].us_calculated = 0; + table->entries[i].us_vdd = + vddc_lookup_pp_tables->entries[i].usVdd; + table->entries[i].us_cac_low = + vddc_lookup_pp_tables->entries[i].usCACLow; + table->entries[i].us_cac_mid = + vddc_lookup_pp_tables->entries[i].usCACMid; + table->entries[i].us_cac_high = + vddc_lookup_pp_tables->entries[i].usCACHigh; + } + + *lookup_table = table; + + return 0; +} + +/** + * Private Function used during initialization. + * Initialize Platform Power Management Parameter table + * @param hwmgr Pointer to the hardware manager. + * @param atom_ppm_table Pointer to PPM table in VBIOS + */ +static int get_platform_power_management_table( + struct pp_hwmgr *hwmgr, + ATOM_Tonga_PPM_Table *atom_ppm_table) +{ + struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL); + struct phm_ppt_v1_information *pp_table_information = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (NULL == ptr) + return -ENOMEM; + + ptr->ppm_design + = atom_ppm_table->ucPpmDesign; + ptr->cpu_core_number + = atom_ppm_table->usCpuCoreNumber; + ptr->platform_tdp + = atom_ppm_table->ulPlatformTDP; + ptr->small_ac_platform_tdp + = atom_ppm_table->ulSmallACPlatformTDP; + ptr->platform_tdc + = atom_ppm_table->ulPlatformTDC; + ptr->small_ac_platform_tdc + = atom_ppm_table->ulSmallACPlatformTDC; + ptr->apu_tdp + = atom_ppm_table->ulApuTDP; + ptr->dgpu_tdp + = atom_ppm_table->ulDGpuTDP; + ptr->dgpu_ulv_power + = atom_ppm_table->ulDGpuUlvPower; + ptr->tj_max + = atom_ppm_table->ulTjmax; + + pp_table_information->ppm_parameter_table = ptr; + + return 0; +} + +/** + * Private Function used during initialization. + * Initialize TDP limits for DPM2 + * @param hwmgr Pointer to the hardware manager. + * @param powerplay_table Pointer to the PowerPlay Table. + */ +static int init_dpm_2_parameters( + struct pp_hwmgr *hwmgr, + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table + ) +{ + int result = 0; + struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable); + ATOM_Tonga_PPM_Table *atom_ppm_table; + uint32_t disable_ppm = 0; + uint32_t disable_power_control = 0; + + pp_table_information->us_ulv_voltage_offset = + le16_to_cpu(powerplay_table->usUlvVoltageOffset); + + pp_table_information->ppm_parameter_table = NULL; + pp_table_information->vddc_lookup_table = NULL; + pp_table_information->vddgfx_lookup_table = NULL; + /* TDP limits */ + hwmgr->platform_descriptor.TDPODLimit = + le16_to_cpu(powerplay_table->usPowerControlLimit); + hwmgr->platform_descriptor.TDPAdjustment = 0; + hwmgr->platform_descriptor.VidAdjustment = 0; + hwmgr->platform_descriptor.VidAdjustmentPolarity = 0; + hwmgr->platform_descriptor.VidMinLimit = 0; + hwmgr->platform_descriptor.VidMaxLimit = 1500000; + hwmgr->platform_descriptor.VidStep = 6250; + + disable_power_control = 0; + if (0 == disable_power_control) { + /* enable TDP overdrive (PowerControl) feature as well if supported */ + if (hwmgr->platform_descriptor.TDPODLimit != 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerControl); + } + + if (0 != powerplay_table->usVddcLookupTableOffset) { + const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable = + (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usVddcLookupTableOffset)); + + result = get_vddc_lookup_table(hwmgr, + &pp_table_information->vddc_lookup_table, pVddcCACTable, 16); + } + + if (0 != powerplay_table->usVddgfxLookupTableOffset) { + const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable = + (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset)); + + result = get_vddc_lookup_table(hwmgr, + &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16); + } + + disable_ppm = 0; + if (0 == disable_ppm) { + atom_ppm_table = (ATOM_Tonga_PPM_Table *) + (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset)); + + if (0 != powerplay_table->usPPMTableOffset) { + if (1 == get_platform_power_management_table(hwmgr, atom_ppm_table)) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnablePlatformPowerManagement); + } + } + } + + return result; +} + +static int get_valid_clk( + struct pp_hwmgr *hwmgr, + struct phm_clock_array **clk_table, + const phm_ppt_v1_clock_voltage_dependency_table * clk_volt_pp_table + ) +{ + uint32_t table_size, i; + struct phm_clock_array *table; + + PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count), + "Invalid PowerPlay Table!", return -1); + + table_size = sizeof(uint32_t) + + sizeof(uint32_t) * clk_volt_pp_table->count; + + table = (struct phm_clock_array *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + memset(table, 0x00, table_size); + + table->count = (uint32_t)clk_volt_pp_table->count; + + for (i = 0; i < table->count; i++) + table->values[i] = (uint32_t)clk_volt_pp_table->entries[i].clk; + + *clk_table = table; + + return 0; +} + +static int get_hard_limits( + struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *limits, + const ATOM_Tonga_Hard_Limit_Table * limitable + ) +{ + PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1); + + /* currently we always take entries[0] parameters */ + limits->sclk = (uint32_t)limitable->entries[0].ulSCLKLimit; + limits->mclk = (uint32_t)limitable->entries[0].ulMCLKLimit; + limits->vddc = (uint16_t)limitable->entries[0].usVddcLimit; + limits->vddci = (uint16_t)limitable->entries[0].usVddciLimit; + limits->vddgfx = (uint16_t)limitable->entries[0].usVddgfxLimit; + + return 0; +} + +static int get_mclk_voltage_dependency_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table, + const ATOM_Tonga_MCLK_Dependency_Table * mclk_dep_table + ) +{ + uint32_t table_size, i; + phm_ppt_v1_clock_voltage_dependency_table *mclk_table; + + PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries), + "Invalid PowerPlay Table!", return -1); + + table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record) + * mclk_dep_table->ucNumEntries; + + mclk_table = (phm_ppt_v1_clock_voltage_dependency_table *) + kzalloc(table_size, GFP_KERNEL); + + if (NULL == mclk_table) + return -ENOMEM; + + memset(mclk_table, 0x00, table_size); + + mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries; + + for (i = 0; i < mclk_dep_table->ucNumEntries; i++) { + mclk_table->entries[i].vddInd = + mclk_dep_table->entries[i].ucVddcInd; + mclk_table->entries[i].vdd_offset = + mclk_dep_table->entries[i].usVddgfxOffset; + mclk_table->entries[i].vddci = + mclk_dep_table->entries[i].usVddci; + mclk_table->entries[i].mvdd = + mclk_dep_table->entries[i].usMvdd; + mclk_table->entries[i].clk = + mclk_dep_table->entries[i].ulMclk; + } + + *pp_tonga_mclk_dep_table = mclk_table; + + return 0; +} + +static int get_sclk_voltage_dependency_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table, + const ATOM_Tonga_SCLK_Dependency_Table * sclk_dep_table + ) +{ + uint32_t table_size, i; + phm_ppt_v1_clock_voltage_dependency_table *sclk_table; + + PP_ASSERT_WITH_CODE((0 != sclk_dep_table->ucNumEntries), + "Invalid PowerPlay Table!", return -1); + + table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record) + * sclk_dep_table->ucNumEntries; + + sclk_table = (phm_ppt_v1_clock_voltage_dependency_table *) + kzalloc(table_size, GFP_KERNEL); + + if (NULL == sclk_table) + return -ENOMEM; + + memset(sclk_table, 0x00, table_size); + + sclk_table->count = (uint32_t)sclk_dep_table->ucNumEntries; + + for (i = 0; i < sclk_dep_table->ucNumEntries; i++) { + sclk_table->entries[i].vddInd = + sclk_dep_table->entries[i].ucVddInd; + sclk_table->entries[i].vdd_offset = + sclk_dep_table->entries[i].usVddcOffset; + sclk_table->entries[i].clk = + sclk_dep_table->entries[i].ulSclk; + sclk_table->entries[i].cks_enable = + (((sclk_dep_table->entries[i].ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0; + sclk_table->entries[i].cks_voffset = + (sclk_dep_table->entries[i].ucCKSVOffsetandDisable & 0x7F); + } + + *pp_tonga_sclk_dep_table = sclk_table; + + return 0; +} + +static int get_pcie_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_pcie_table **pp_tonga_pcie_table, + const ATOM_Tonga_PCIE_Table * atom_pcie_table + ) +{ + uint32_t table_size, i, pcie_count; + phm_ppt_v1_pcie_table *pcie_table; + struct phm_ppt_v1_information *pp_table_information = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + PP_ASSERT_WITH_CODE((0 != atom_pcie_table->ucNumEntries), + "Invalid PowerPlay Table!", return -1); + + table_size = sizeof(uint32_t) + + sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries; + + pcie_table = (phm_ppt_v1_pcie_table *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == pcie_table) + return -ENOMEM; + + memset(pcie_table, 0x00, table_size); + + /* + * Make sure the number of pcie entries are less than or equal to sclk dpm levels. + * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1. + */ + pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1; + if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count) + pcie_count = (uint32_t)atom_pcie_table->ucNumEntries; + else + printk(KERN_ERR "[ powerplay ] Number of Pcie Entries exceed the number of SCLK Dpm Levels! \ + Disregarding the excess entries... \n"); + + pcie_table->count = pcie_count; + + for (i = 0; i < pcie_count; i++) { + pcie_table->entries[i].gen_speed = + atom_pcie_table->entries[i].ucPCIEGenSpeed; + pcie_table->entries[i].lane_width = + atom_pcie_table->entries[i].usPCIELaneWidth; + } + + *pp_tonga_pcie_table = pcie_table; + + return 0; +} + +static int get_cac_tdp_table( + struct pp_hwmgr *hwmgr, + struct phm_cac_tdp_table **cac_tdp_table, + const PPTable_Generic_SubTable_Header * table + ) +{ + uint32_t table_size; + struct phm_cac_tdp_table *tdp_table; + + table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table); + tdp_table = kzalloc(table_size, GFP_KERNEL); + + if (NULL == tdp_table) + return -ENOMEM; + + memset(tdp_table, 0x00, table_size); + + hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL); + + if (NULL == hwmgr->dyn_state.cac_dtp_table) + return -ENOMEM; + + memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size); + + if (table->ucRevId < 3) { + const ATOM_Tonga_PowerTune_Table *tonga_table = + (ATOM_Tonga_PowerTune_Table *)table; + tdp_table->usTDP = tonga_table->usTDP; + tdp_table->usConfigurableTDP = + tonga_table->usConfigurableTDP; + tdp_table->usTDC = tonga_table->usTDC; + tdp_table->usBatteryPowerLimit = + tonga_table->usBatteryPowerLimit; + tdp_table->usSmallPowerLimit = + tonga_table->usSmallPowerLimit; + tdp_table->usLowCACLeakage = + tonga_table->usLowCACLeakage; + tdp_table->usHighCACLeakage = + tonga_table->usHighCACLeakage; + tdp_table->usMaximumPowerDeliveryLimit = + tonga_table->usMaximumPowerDeliveryLimit; + tdp_table->usDefaultTargetOperatingTemp = + tonga_table->usTjMax; + tdp_table->usTargetOperatingTemp = + tonga_table->usTjMax; /*Set the initial temp to the same as default */ + tdp_table->usPowerTuneDataSetID = + tonga_table->usPowerTuneDataSetID; + tdp_table->usSoftwareShutdownTemp = + tonga_table->usSoftwareShutdownTemp; + tdp_table->usClockStretchAmount = + tonga_table->usClockStretchAmount; + } else { /* Fiji and newer */ + const ATOM_Fiji_PowerTune_Table *fijitable = + (ATOM_Fiji_PowerTune_Table *)table; + tdp_table->usTDP = fijitable->usTDP; + tdp_table->usConfigurableTDP = fijitable->usConfigurableTDP; + tdp_table->usTDC = fijitable->usTDC; + tdp_table->usBatteryPowerLimit = fijitable->usBatteryPowerLimit; + tdp_table->usSmallPowerLimit = fijitable->usSmallPowerLimit; + tdp_table->usLowCACLeakage = fijitable->usLowCACLeakage; + tdp_table->usHighCACLeakage = fijitable->usHighCACLeakage; + tdp_table->usMaximumPowerDeliveryLimit = + fijitable->usMaximumPowerDeliveryLimit; + tdp_table->usDefaultTargetOperatingTemp = + fijitable->usTjMax; + tdp_table->usTargetOperatingTemp = + fijitable->usTjMax; /*Set the initial temp to the same as default */ + tdp_table->usPowerTuneDataSetID = + fijitable->usPowerTuneDataSetID; + tdp_table->usSoftwareShutdownTemp = + fijitable->usSoftwareShutdownTemp; + tdp_table->usClockStretchAmount = + fijitable->usClockStretchAmount; + tdp_table->usTemperatureLimitHotspot = + fijitable->usTemperatureLimitHotspot; + tdp_table->usTemperatureLimitLiquid1 = + fijitable->usTemperatureLimitLiquid1; + tdp_table->usTemperatureLimitLiquid2 = + fijitable->usTemperatureLimitLiquid2; + tdp_table->usTemperatureLimitVrVddc = + fijitable->usTemperatureLimitVrVddc; + tdp_table->usTemperatureLimitVrMvdd = + fijitable->usTemperatureLimitVrMvdd; + tdp_table->usTemperatureLimitPlx = + fijitable->usTemperatureLimitPlx; + tdp_table->ucLiquid1_I2C_address = + fijitable->ucLiquid1_I2C_address; + tdp_table->ucLiquid2_I2C_address = + fijitable->ucLiquid2_I2C_address; + tdp_table->ucLiquid_I2C_Line = + fijitable->ucLiquid_I2C_Line; + tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address; + tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line; + tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address; + tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line; + } + + *cac_tdp_table = tdp_table; + + return 0; +} + +static int get_mm_clock_voltage_table( + struct pp_hwmgr *hwmgr, + phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table, + const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table + ) +{ + uint32_t table_size, i; + const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record; + phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table; + + PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries), + "Invalid PowerPlay Table!", return -1); + table_size = sizeof(uint32_t) + + sizeof(phm_ppt_v1_mm_clock_voltage_dependency_record) + * mm_dependency_table->ucNumEntries; + mm_table = (phm_ppt_v1_mm_clock_voltage_dependency_table *) + kzalloc(table_size, GFP_KERNEL); + + if (NULL == mm_table) + return -ENOMEM; + + memset(mm_table, 0x00, table_size); + + mm_table->count = mm_dependency_table->ucNumEntries; + + for (i = 0; i < mm_dependency_table->ucNumEntries; i++) { + mm_dependency_record = &mm_dependency_table->entries[i]; + mm_table->entries[i].vddcInd = mm_dependency_record->ucVddcInd; + mm_table->entries[i].vddgfx_offset = mm_dependency_record->usVddgfxOffset; + mm_table->entries[i].aclk = mm_dependency_record->ulAClk; + mm_table->entries[i].samclock = mm_dependency_record->ulSAMUClk; + mm_table->entries[i].eclk = mm_dependency_record->ulEClk; + mm_table->entries[i].vclk = mm_dependency_record->ulVClk; + mm_table->entries[i].dclk = mm_dependency_record->ulDClk; + } + + *tonga_mm_table = mm_table; + + return 0; +} + +/** + * Private Function used during initialization. + * Initialize clock voltage dependency + * @param hwmgr Pointer to the hardware manager. + * @param powerplay_table Pointer to the PowerPlay Table. + */ +static int init_clock_voltage_dependency( + struct pp_hwmgr *hwmgr, + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table + ) +{ + int result = 0; + struct phm_ppt_v1_information *pp_table_information = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table = + (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usMMDependencyTableOffset)); + const PPTable_Generic_SubTable_Header *pPowerTuneTable = + (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usPowerTuneTableOffset)); + const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = + (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usMclkDependencyTableOffset)); + const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = + (const ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usSclkDependencyTableOffset)); + const ATOM_Tonga_Hard_Limit_Table *pHardLimits = + (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usHardLimitTableOffset)); + const ATOM_Tonga_PCIE_Table *pcie_table = + (const ATOM_Tonga_PCIE_Table *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usPCIETableOffset)); + + pp_table_information->vdd_dep_on_sclk = NULL; + pp_table_information->vdd_dep_on_mclk = NULL; + pp_table_information->mm_dep_table = NULL; + pp_table_information->pcie_table = NULL; + + if (powerplay_table->usMMDependencyTableOffset != 0) + result = get_mm_clock_voltage_table(hwmgr, + &pp_table_information->mm_dep_table, mm_dependency_table); + + if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0) + result = get_cac_tdp_table(hwmgr, + &pp_table_information->cac_dtp_table, pPowerTuneTable); + + if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0) + result = get_sclk_voltage_dependency_table(hwmgr, + &pp_table_information->vdd_dep_on_sclk, sclk_dep_table); + + if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0) + result = get_mclk_voltage_dependency_table(hwmgr, + &pp_table_information->vdd_dep_on_mclk, mclk_dep_table); + + if (result == 0 && powerplay_table->usPCIETableOffset != 0) + result = get_pcie_table(hwmgr, + &pp_table_information->pcie_table, pcie_table); + + if (result == 0 && powerplay_table->usHardLimitTableOffset != 0) + result = get_hard_limits(hwmgr, + &pp_table_information->max_clock_voltage_on_dc, pHardLimits); + + hwmgr->dyn_state.max_clock_voltage_on_dc.sclk = + pp_table_information->max_clock_voltage_on_dc.sclk; + hwmgr->dyn_state.max_clock_voltage_on_dc.mclk = + pp_table_information->max_clock_voltage_on_dc.mclk; + hwmgr->dyn_state.max_clock_voltage_on_dc.vddc = + pp_table_information->max_clock_voltage_on_dc.vddc; + hwmgr->dyn_state.max_clock_voltage_on_dc.vddci = + pp_table_information->max_clock_voltage_on_dc.vddci; + + if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk) + && (0 != pp_table_information->vdd_dep_on_mclk->count)) + result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values, + pp_table_information->vdd_dep_on_mclk); + + if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk) + && (0 != pp_table_information->vdd_dep_on_sclk->count)) + result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values, + pp_table_information->vdd_dep_on_sclk); + + return result; +} + +/** Retrieves the (signed) Overdrive limits from VBIOS. + * The max engine clock, memory clock and max temperature come from the firmware info table. + * + * The information is placed into the platform descriptor. + * + * @param hwmgr source of the VBIOS table and owner of the platform descriptor to be updated. + * @param powerplay_table the address of the PowerPlay table. + * + * @return 1 as long as the firmware info table was present and of a supported version. + */ +static int init_over_drive_limits( + struct pp_hwmgr *hwmgr, + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table) +{ + hwmgr->platform_descriptor.overdriveLimit.engineClock = + le16_to_cpu(powerplay_table->ulMaxODEngineClock); + hwmgr->platform_descriptor.overdriveLimit.memoryClock = + le16_to_cpu(powerplay_table->ulMaxODMemoryClock); + + hwmgr->platform_descriptor.minOverdriveVDDC = 0; + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + + if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \ + && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ACOverdriveSupport); + } + + return 0; +} + +/** + * Private Function used during initialization. + * Inspect the PowerPlay table for obvious signs of corruption. + * @param hwmgr Pointer to the hardware manager. + * @param powerplay_table Pointer to the PowerPlay Table. + * @exception This implementation always returns 1. + */ +static int init_thermal_controller( + struct pp_hwmgr *hwmgr, + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table + ) +{ + const PPTable_Generic_SubTable_Header *fan_table; + ATOM_Tonga_Thermal_Controller *thermal_controller; + + thermal_controller = (ATOM_Tonga_Thermal_Controller *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usThermalControllerOffset)); + PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset), + "Thermal controller table not set!", return -1); + + hwmgr->thermal_controller.ucType = thermal_controller->ucType; + hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine; + hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress; + + hwmgr->thermal_controller.fanInfo.bNoFan = + (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN)); + + hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution = + thermal_controller->ucFanParameters & + ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK; + + hwmgr->thermal_controller.fanInfo.ulMinRPM + = thermal_controller->ucFanMinRPM * 100UL; + hwmgr->thermal_controller.fanInfo.ulMaxRPM + = thermal_controller->ucFanMaxRPM * 100UL; + + set_hw_cap( + hwmgr, + ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType, + PHM_PlatformCaps_ThermalController + ); + + if (0 == powerplay_table->usFanTableOffset) + return 0; + + fan_table = (const PPTable_Generic_SubTable_Header *) + (((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usFanTableOffset)); + + PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset), + "Fan table not set!", return -1); + PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId), + "Unsupported fan table format!", return -1); + + hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay + = 100000; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl); + + if (fan_table->ucRevId < 8) { + const ATOM_Tonga_Fan_Table *tonga_fan_table = + (ATOM_Tonga_Fan_Table *)fan_table; + hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst + = tonga_fan_table->ucTHyst; + hwmgr->thermal_controller.advanceFanControlParameters.usTMin + = tonga_fan_table->usTMin; + hwmgr->thermal_controller.advanceFanControlParameters.usTMed + = tonga_fan_table->usTMed; + hwmgr->thermal_controller.advanceFanControlParameters.usTHigh + = tonga_fan_table->usTHigh; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin + = tonga_fan_table->usPWMMin; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed + = tonga_fan_table->usPWMMed; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh + = tonga_fan_table->usPWMHigh; + hwmgr->thermal_controller.advanceFanControlParameters.usTMax + = 10900; /* hard coded */ + hwmgr->thermal_controller.advanceFanControlParameters.usTMax + = tonga_fan_table->usTMax; + hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode + = tonga_fan_table->ucFanControlMode; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM + = tonga_fan_table->usFanPWMMax; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity + = 4836; + hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity + = tonga_fan_table->usFanOutputSensitivity; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM + = tonga_fan_table->usFanRPMMax; + hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit + = (tonga_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */ + hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature + = tonga_fan_table->ucTargetTemperature; + hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit + = tonga_fan_table->ucMinimumPWMLimit; + } else { + const ATOM_Fiji_Fan_Table *fiji_fan_table = + (ATOM_Fiji_Fan_Table *)fan_table; + hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst + = fiji_fan_table->ucTHyst; + hwmgr->thermal_controller.advanceFanControlParameters.usTMin + = fiji_fan_table->usTMin; + hwmgr->thermal_controller.advanceFanControlParameters.usTMed + = fiji_fan_table->usTMed; + hwmgr->thermal_controller.advanceFanControlParameters.usTHigh + = fiji_fan_table->usTHigh; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin + = fiji_fan_table->usPWMMin; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed + = fiji_fan_table->usPWMMed; + hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh + = fiji_fan_table->usPWMHigh; + hwmgr->thermal_controller.advanceFanControlParameters.usTMax + = fiji_fan_table->usTMax; + hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode + = fiji_fan_table->ucFanControlMode; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM + = fiji_fan_table->usFanPWMMax; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity + = 4836; + hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity + = fiji_fan_table->usFanOutputSensitivity; + hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM + = fiji_fan_table->usFanRPMMax; + hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit + = (fiji_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */ + hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature + = fiji_fan_table->ucTargetTemperature; + hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit + = fiji_fan_table->ucMinimumPWMLimit; + + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge + = fiji_fan_table->usFanGainEdge; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot + = fiji_fan_table->usFanGainHotspot; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid + = fiji_fan_table->usFanGainLiquid; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc + = fiji_fan_table->usFanGainVrVddc; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd + = fiji_fan_table->usFanGainVrMvdd; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx + = fiji_fan_table->usFanGainPlx; + hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm + = fiji_fan_table->usFanGainHbm; + } + + return 0; +} + +/** + * Private Function used during initialization. + * Inspect the PowerPlay table for obvious signs of corruption. + * @param hwmgr Pointer to the hardware manager. + * @param powerplay_table Pointer to the PowerPlay Table. + * @exception 2 if the powerplay table is incorrect. + */ +static int check_powerplay_tables( + struct pp_hwmgr *hwmgr, + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table + ) +{ + const ATOM_Tonga_State_Array *state_arrays; + + state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usStateArrayOffset)); + + PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <= + powerplay_table->sHeader.ucTableFormatRevision), + "Unsupported PPTable format!", return -1); + PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset), + "State table is not set!", return -1); + PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize), + "Invalid PowerPlay Table!", return -1); + PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries), + "Invalid PowerPlay Table!", return -1); + + return 0; +} + +int tonga_pp_tables_initialize(struct pp_hwmgr *hwmgr) +{ + int result = 0; + const ATOM_Tonga_POWERPLAYTABLE *powerplay_table; + + hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL); + + PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable), + "Failed to allocate hwmgr->pptable!", return -ENOMEM); + + memset(hwmgr->pptable, 0x00, sizeof(struct phm_ppt_v1_information)); + + powerplay_table = get_powerplay_table(hwmgr); + + PP_ASSERT_WITH_CODE((NULL != powerplay_table), + "Missing PowerPlay Table!", return -1); + + result = check_powerplay_tables(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "check_powerplay_tables failed", return result); + + result = set_platform_caps(hwmgr, + le32_to_cpu(powerplay_table->ulPlatformCaps)); + + PP_ASSERT_WITH_CODE((result == 0), + "set_platform_caps failed", return result); + + result = init_thermal_controller(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_thermal_controller failed", return result); + + result = init_over_drive_limits(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_over_drive_limits failed", return result); + + result = init_clock_voltage_dependency(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_clock_voltage_dependency failed", return result); + + result = init_dpm_2_parameters(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_dpm_2_parameters failed", return result); + + return result; +} + +int tonga_pp_tables_uninitialize(struct pp_hwmgr *hwmgr) +{ + int result = 0; + struct phm_ppt_v1_information *pp_table_information = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (NULL != hwmgr->soft_pp_table) { + kfree(hwmgr->soft_pp_table); + hwmgr->soft_pp_table = NULL; + } + + if (NULL != pp_table_information->vdd_dep_on_sclk) + pp_table_information->vdd_dep_on_sclk = NULL; + + if (NULL != pp_table_information->vdd_dep_on_mclk) + pp_table_information->vdd_dep_on_mclk = NULL; + + if (NULL != pp_table_information->valid_mclk_values) + pp_table_information->valid_mclk_values = NULL; + + if (NULL != pp_table_information->valid_sclk_values) + pp_table_information->valid_sclk_values = NULL; + + if (NULL != pp_table_information->vddc_lookup_table) + pp_table_information->vddc_lookup_table = NULL; + + if (NULL != pp_table_information->vddgfx_lookup_table) + pp_table_information->vddgfx_lookup_table = NULL; + + if (NULL != pp_table_information->mm_dep_table) + pp_table_information->mm_dep_table = NULL; + + if (NULL != pp_table_information->cac_dtp_table) + pp_table_information->cac_dtp_table = NULL; + + if (NULL != hwmgr->dyn_state.cac_dtp_table) + hwmgr->dyn_state.cac_dtp_table = NULL; + + if (NULL != pp_table_information->ppm_parameter_table) + pp_table_information->ppm_parameter_table = NULL; + + if (NULL != pp_table_information->pcie_table) + pp_table_information->pcie_table = NULL; + + if (NULL != hwmgr->pptable) { + kfree(hwmgr->pptable); + hwmgr->pptable = NULL; + } + + return result; +} + +const struct pp_table_func tonga_pptable_funcs = { + .pptable_init = tonga_pp_tables_initialize, + .pptable_fini = tonga_pp_tables_uninitialize, +}; + +int tonga_get_number_of_powerplay_table_entries(struct pp_hwmgr *hwmgr) +{ + const ATOM_Tonga_State_Array * state_arrays; + const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr); + + PP_ASSERT_WITH_CODE((NULL != pp_table), + "Missing PowerPlay Table!", return -1); + PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >= + ATOM_Tonga_TABLE_REVISION_TONGA), + "Incorrect PowerPlay table revision!", return -1); + + state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) + + le16_to_cpu(pp_table->usStateArrayOffset)); + + return (uint32_t)(state_arrays->ucNumEntries); +} + +/** +* Private function to convert flags stored in the BIOS to software flags in PowerPlay. +*/ +static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr, + uint16_t classification, uint16_t classification2) +{ + uint32_t result = 0; + + if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT) + result |= PP_StateClassificationFlag_Boot; + + if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL) + result |= PP_StateClassificationFlag_Thermal; + + if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE) + result |= PP_StateClassificationFlag_LimitedPowerSource; + + if (classification & ATOM_PPLIB_CLASSIFICATION_REST) + result |= PP_StateClassificationFlag_Rest; + + if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED) + result |= PP_StateClassificationFlag_Forced; + + if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI) + result |= PP_StateClassificationFlag_ACPI; + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2) + result |= PP_StateClassificationFlag_LimitedPowerSource_2; + + return result; +} + +/** +* Create a Power State out of an entry in the PowerPlay table. +* This function is called by the hardware back-end. +* @param hwmgr Pointer to the hardware manager. +* @param entry_index The index of the entry to be extracted from the table. +* @param power_state The address of the PowerState instance being created. +* @return -1 if the entry cannot be retrieved. +*/ +int tonga_get_powerplay_table_entry(struct pp_hwmgr *hwmgr, + uint32_t entry_index, struct pp_power_state *power_state, + int (*call_back_func)(struct pp_hwmgr *, void *, + struct pp_power_state *, void *, uint32_t)) +{ + int result = 0; + const ATOM_Tonga_State_Array * state_arrays; + const ATOM_Tonga_State *state_entry; + const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr); + + PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;); + power_state->classification.bios_index = entry_index; + + if (pp_table->sHeader.ucTableFormatRevision >= + ATOM_Tonga_TABLE_REVISION_TONGA) { + state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) + + le16_to_cpu(pp_table->usStateArrayOffset)); + + PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset), + "Invalid PowerPlay Table State Array Offset.", return -1); + PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries), + "Invalid PowerPlay Table State Array.", return -1); + PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries), + "Invalid PowerPlay Table State Array Entry.", return -1); + + state_entry = &(state_arrays->states[entry_index]); + + result = call_back_func(hwmgr, (void *)state_entry, power_state, + (void *)pp_table, + make_classification_flags(hwmgr, + le16_to_cpu(state_entry->usClassification), + le16_to_cpu(state_entry->usClassification2))); + } + + if (!result && (power_state->classification.flags & + PP_StateClassificationFlag_Boot)) + result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware)); + + return result; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.h new file mode 100644 index 000000000000..d24b8887f466 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.h @@ -0,0 +1,35 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef TONGA_PROCESSPPTABLES_H +#define TONGA_PROCESSPPTABLES_H + +#include "hwmgr.h" + +extern const struct pp_table_func tonga_pptable_funcs; +extern int tonga_get_number_of_powerplay_table_entries(struct pp_hwmgr *hwmgr); +extern int tonga_get_powerplay_table_entry(struct pp_hwmgr *hwmgr, uint32_t entry_index, + struct pp_power_state *power_state, int (*call_back_func)(struct pp_hwmgr *, void *, + struct pp_power_state *, void *, uint32_t)); + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c new file mode 100644 index 000000000000..a188174747c9 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c @@ -0,0 +1,590 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <asm/div64.h> +#include "tonga_thermal.h" +#include "tonga_hwmgr.h" +#include "tonga_smumgr.h" +#include "tonga_ppsmc.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" + +/** +* Get Fan Speed Control Parameters. +* @param hwmgr the address of the powerplay hardware manager. +* @param pSpeed is the address of the structure where the result is to be placed. +* @exception Always succeeds except if we cannot zero out the output structure. +*/ +int tonga_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info) +{ + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + fan_speed_info->supports_percent_read = true; + fan_speed_info->supports_percent_write = true; + fan_speed_info->min_percent = 0; + fan_speed_info->max_percent = 100; + + if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { + fan_speed_info->supports_rpm_read = true; + fan_speed_info->supports_rpm_write = true; + fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM; + fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM; + } else { + fan_speed_info->min_rpm = 0; + fan_speed_info->max_rpm = 0; + } + + return 0; +} + +/** +* Get Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param pSpeed is the address of the structure where the result is to be placed. +* @exception Fails is the 100% setting appears to be 0. +*/ +int tonga_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_STATUS, FDO_PWM_DUTY); + + if (0 == duty100) + return -EINVAL; + + + tmp64 = (uint64_t)duty * 100; + do_div(tmp64, duty100); + *speed = (uint32_t)tmp64; + + if (*speed > 100) + *speed = 100; + + return 0; +} + +/** +* Get Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the address of the structure where the result is to be placed. +* @exception Returns not supported if no fan is found or if pulses per revolution are not set +*/ +int tonga_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + return 0; +} + +/** +* Set Fan Speed Control to static mode, so that the user can decide what speed to use. +* @param hwmgr the address of the powerplay hardware manager. +* mode the fan control mode, 0 default, 1 by percent, 5, by RPM +* @exception Should always succeed. +*/ +int tonga_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + + if (hwmgr->fan_ctrl_is_in_default_mode) { + hwmgr->fan_ctrl_default_mode = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE); + hwmgr->tmin = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN); + hwmgr->fan_ctrl_is_in_default_mode = false; + } + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, 0); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, mode); + + return 0; +} + +/** +* Reset Fan Speed Control to default mode. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Should always succeed. +*/ +int tonga_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->fan_ctrl_is_in_default_mode) { + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, hwmgr->tmin); + hwmgr->fan_ctrl_is_in_default_mode = true; + } + + return 0; +} + +int tonga_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + int result; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ODFuzzyFanControlSupport)) { + cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY); + result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ? 0 : -EINVAL; +/* + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_FanSpeedInTableIsRPM)) + hwmgr->set_max_fan_rpm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM); + else + hwmgr->set_max_fan_pwm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM); +*/ + } else { + cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE); + result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ? 0 : -EINVAL; + } +/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. + if (result == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature != 0) + result = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanTemperatureTarget, \ + hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature) ? 0 : -EINVAL); +*/ + return result; +} + + +int tonga_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl) == 0) ? 0 : -EINVAL; +} + +/** +* Set Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (0% - 100%) to be set. +* @exception Fails is the 100% setting appears to be 0. +*/ +int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return -EINVAL; + + if (speed > 100) + speed = 100; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) + tonga_fan_ctrl_stop_smc_fan_control(hwmgr); + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + + if (0 == duty100) + return -EINVAL; + + tmp64 = (uint64_t)speed * 100; + do_div(tmp64, duty100); + duty = (uint32_t)tmp64; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); + + return tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + +/** +* Reset Fan Speed to default. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Always succeeds. +*/ +int tonga_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) +{ + int result; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) { + result = tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + if (0 == result) + result = tonga_fan_ctrl_start_smc_fan_control(hwmgr); + } else + result = tonga_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (min - max) to be set. +* @exception Fails is the speed not lie between min and max. +*/ +int tonga_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + return 0; +} + +/** +* Reads the remote temperature from the SIslands thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +int tonga_thermal_get_temperature(struct pp_hwmgr *hwmgr) +{ + int temp; + + temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_STATUS, CTF_TEMP); + +/* Bit 9 means the reading is lower than the lowest usable value. */ + if (0 != (0x200 & temp)) + temp = TONGA_THERMAL_MAXIMUM_TEMP_READING; + else + temp = (temp & 0x1ff); + + temp = temp * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return temp; +} + +/** +* Set the requested temperature range for high and low alert signals +* +* @param hwmgr The address of the hardware manager. +* @param range Temperature range to be programmed for high and low alert signals +* @exception PP_Result_BadInput if the input data is not valid. +*/ +static int tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, uint32_t low_temp, uint32_t high_temp) +{ + uint32_t low = TONGA_THERMAL_MINIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + uint32_t high = TONGA_THERMAL_MAXIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + if (low < low_temp) + low = low_temp; + if (high > high_temp) + high = high_temp; + + if (low > high) + return -EINVAL; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL, DIG_THERM_DPM, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + + return 0; +} + +/** +* Programs thermal controller one-time setting registers +* +* @param hwmgr The address of the hardware manager. +*/ +static int tonga_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_TACH_CTRL, EDGE_PER_REV, + hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1); + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28); + + return 0; +} + +/** +* Enable thermal alerts on the RV770 thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +static int tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK); + alert &= ~(TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to enable internal thermal interrupts */ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable) == 0) ? 0 : -1; +} + +/** +* Disable thermal alerts on the RV770 thermal controller. +* @param hwmgr The address of the hardware manager. +*/ +static int tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK); + alert |= (TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to disable internal thermal interrupts */ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable) == 0) ? 0 : -1; +} + +/** +* Uninitialize the thermal controller. +* Currently just disables alerts. +* @param hwmgr The address of the hardware manager. +*/ +int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) +{ + int result = tonga_thermal_disable_alert(hwmgr); + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + tonga_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set up the fan table to control the fan using the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + SMU72_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE }; + uint32_t duty100; + uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2; + uint16_t fdo_min, slope1, slope2; + uint32_t reference_clock; + int res; + uint64_t tmp64; + + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) + return 0; + + if (0 == data->fan_table_start) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + + if (0 == duty100) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin * duty100; + do_div(tmp64, 10000); + fdo_min = (uint16_t)tmp64; + + t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - hwmgr->thermal_controller.advanceFanControlParameters.usTMin; + t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - hwmgr->thermal_controller.advanceFanControlParameters.usTMed; + + pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin; + pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed; + + slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100); + slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100); + + fan_table.TempMin = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMin) / 100); + fan_table.TempMed = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMed) / 100); + fan_table.TempMax = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMax) / 100); + + fan_table.Slope1 = cpu_to_be16(slope1); + fan_table.Slope2 = cpu_to_be16(slope2); + + fan_table.FdoMin = cpu_to_be16(fdo_min); + + fan_table.HystDown = cpu_to_be16(hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst); + + fan_table.HystUp = cpu_to_be16(1); + + fan_table.HystSlope = cpu_to_be16(1); + + fan_table.TempRespLim = cpu_to_be16(5); + + reference_clock = tonga_get_xclk(hwmgr); + + fan_table.RefreshPeriod = cpu_to_be32((hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay * reference_clock) / 1600); + + fan_table.FdoMax = cpu_to_be16((uint16_t)duty100); + + fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL); + + fan_table.FanControl_GL_Flag = 1; + + res = tonga_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), data->sram_end); +/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. + if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit != 0) + res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanMinPwm, \ + hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit) ? 0 : -1); + + if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit != 0) + res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanSclkTarget, \ + hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit) ? 0 : -1); + + if (0 != res) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); +*/ + return 0; +} + +/** +* Start the fan control on the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_tonga_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ +/* If the fantable setup has failed we could have disabled PHM_PlatformCaps_MicrocodeFanControl even after this function was included in the table. + * Make sure that we still think controlling the fan is OK. +*/ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) { + tonga_fan_ctrl_start_smc_fan_control(hwmgr); + tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + } + + return 0; +} + +/** +* Set temperature range for high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input; + + if (range == NULL) + return -EINVAL; + + return tonga_thermal_set_temperature_range(hwmgr, range->min, range->max); +} + +/** +* Programs one-time setting registers +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from initialize thermal controller routine +*/ +int tf_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + return tonga_thermal_initialize(hwmgr); +} + +/** +* Enable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from enable alert routine +*/ +int tf_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + return tonga_thermal_enable_alert(hwmgr); +} + +/** +* Disable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from disable alert routine +*/ +static int tf_tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + return tonga_thermal_disable_alert(hwmgr); +} + +static struct phm_master_table_item tonga_thermal_start_thermal_controller_master_list[] = { + { NULL, tf_tonga_thermal_initialize }, + { NULL, tf_tonga_thermal_set_temperature_range }, + { NULL, tf_tonga_thermal_enable_alert }, +/* We should restrict performance levels to low before we halt the SMC. + * On the other hand we are still in boot state when we do this so it would be pointless. + * If this assumption changes we have to revisit this table. + */ + { NULL, tf_tonga_thermal_setup_fan_table}, + { NULL, tf_tonga_thermal_start_smc_fan_control}, + { NULL, NULL } +}; + +static struct phm_master_table_header tonga_thermal_start_thermal_controller_master = { + 0, + PHM_MasterTableFlag_None, + tonga_thermal_start_thermal_controller_master_list +}; + +static struct phm_master_table_item tonga_thermal_set_temperature_range_master_list[] = { + { NULL, tf_tonga_thermal_disable_alert}, + { NULL, tf_tonga_thermal_set_temperature_range}, + { NULL, tf_tonga_thermal_enable_alert}, + { NULL, NULL } +}; + +struct phm_master_table_header tonga_thermal_set_temperature_range_master = { + 0, + PHM_MasterTableFlag_None, + tonga_thermal_set_temperature_range_master_list +}; + +int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->thermal_controller.fanInfo.bNoFan) + tonga_fan_ctrl_set_default_mode(hwmgr); + return 0; +} + +/** +* Initializes the thermal controller related functions in the Hardware Manager structure. +* @param hwmgr The address of the hardware manager. +* @exception Any error code from the low-level communication. +*/ +int pp_tonga_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + int result; + + result = phm_construct_table(hwmgr, &tonga_thermal_set_temperature_range_master, &(hwmgr->set_temperature_range)); + + if (0 == result) { + result = phm_construct_table(hwmgr, + &tonga_thermal_start_thermal_controller_master, + &(hwmgr->start_thermal_controller)); + if (0 != result) + phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range)); + } + + if (0 == result) + hwmgr->fan_ctrl_is_in_default_mode = true; + return result; +} + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h new file mode 100644 index 000000000000..aa335f267e25 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h @@ -0,0 +1,61 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef TONGA_THERMAL_H +#define TONGA_THERMAL_H + +#include "hwmgr.h" + +#define TONGA_THERMAL_HIGH_ALERT_MASK 0x1 +#define TONGA_THERMAL_LOW_ALERT_MASK 0x2 + +#define TONGA_THERMAL_MINIMUM_TEMP_READING -256 +#define TONGA_THERMAL_MAXIMUM_TEMP_READING 255 + +#define TONGA_THERMAL_MINIMUM_ALERT_TEMP 0 +#define TONGA_THERMAL_MAXIMUM_ALERT_TEMP 255 + +#define FDO_PWM_MODE_STATIC 1 +#define FDO_PWM_MODE_STATIC_RPM 5 + + +extern int tf_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); +extern int tf_tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); +extern int tf_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); + +extern int tonga_thermal_get_temperature(struct pp_hwmgr *hwmgr); +extern int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); +extern int tonga_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info); +extern int tonga_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int tonga_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr); +extern int tonga_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode); +extern int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int tonga_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); +extern int pp_tonga_thermal_initialize(struct pp_hwmgr *hwmgr); +extern int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr); +extern int tonga_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int tonga_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int tonga_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr); + +#endif + |