diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c | 5127 |
1 files changed, 5127 insertions, 0 deletions
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; +} |