diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c | 1688 |
1 files changed, 1688 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c new file mode 100644 index 000000000000..2f1a14fe05b1 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c @@ -0,0 +1,1688 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> + +#include "processpptables.h" +#include <atom-types.h> +#include <atombios.h> +#include "pp_debug.h" +#include "pptable.h" +#include "power_state.h" +#include "hwmgr.h" +#include "hardwaremanager.h" + + +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8 24 +#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V9 26 + +#define NUM_BITS_CLOCK_INFO_ARRAY_INDEX 6 + +static uint16_t get_vce_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t vce_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) + vce_table_offset = le16_to_cpu(extended_header->usVCETableOffset); + } + } + + return vce_table_offset; +} + +static uint16_t get_vce_clock_info_array_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + + return 0; +} + +static uint16_t get_vce_clock_info_array_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_info_array_offset(hwmgr, + powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const VCEClockInfoArray *p = (const VCEClockInfoArray *) + (((unsigned long) powerplay_table) + table_offset); + table_size = sizeof(uint8_t) + p->ucNumEntries * sizeof(VCEClockInfo); + } + + return table_size; +} + +static uint16_t get_vce_clock_voltage_limit_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_info_array_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + get_vce_clock_info_array_size(hwmgr, + powerplay_table); + + return 0; +} + +static uint16_t get_vce_clock_voltage_limit_table_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)(((unsigned long) powerplay_table) + table_offset); + + table_size = sizeof(uint8_t) + ptable->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record); + } + return table_size; +} + +static uint16_t get_vce_state_table_offset(struct pp_hwmgr *hwmgr, const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + + if (table_offset > 0) + return table_offset + get_vce_clock_voltage_limit_table_size(hwmgr, powerplay_table); + + return 0; +} + +static const ATOM_PPLIB_VCE_State_Table *get_vce_state_table( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_vce_state_table_offset(hwmgr, powerplay_table); + + if (table_offset > 0) + return (const ATOM_PPLIB_VCE_State_Table *)(((unsigned long) powerplay_table) + table_offset); + + return NULL; +} + +static uint16_t get_uvd_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t uvd_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) + uvd_table_offset = le16_to_cpu(extended_header->usUVDTableOffset); + } + } + return uvd_table_offset; +} + +static uint16_t get_uvd_clock_info_array_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + return 0; +} + +static uint16_t get_uvd_clock_info_array_size(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_clock_info_array_offset(hwmgr, + powerplay_table); + uint16_t table_size = 0; + + if (table_offset > 0) { + const UVDClockInfoArray *p = (const UVDClockInfoArray *) + (((unsigned long) powerplay_table) + + table_offset); + table_size = sizeof(UCHAR) + + p->ucNumEntries * sizeof(UVDClockInfo); + } + + return table_size; +} + +static uint16_t get_uvd_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_uvd_clock_info_array_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + + get_uvd_clock_info_array_size(hwmgr, powerplay_table); + + return 0; +} + +static uint16_t get_samu_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t samu_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *extended_header = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) + samu_table_offset = le16_to_cpu(extended_header->usSAMUTableOffset); + } + } + + return samu_table_offset; +} + +static uint16_t get_samu_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t table_offset = get_samu_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) + return table_offset + 1; + + return 0; +} + +static uint16_t get_acp_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t acp_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) + acp_table_offset = le16_to_cpu(pExtendedHeader->usACPTableOffset); + } + } + + return acp_table_offset; +} + +static uint16_t get_acp_clock_voltage_limit_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t tableOffset = get_acp_table_offset(hwmgr, powerplay_table); + + if (tableOffset > 0) + return tableOffset + 1; + + return 0; +} + +static uint16_t get_cacp_tdp_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t cacTdpTableOffset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) + cacTdpTableOffset = le16_to_cpu(pExtendedHeader->usPowerTuneTableOffset); + } + } + + return cacTdpTableOffset; +} + +static int get_cac_tdp_table(struct pp_hwmgr *hwmgr, + struct phm_cac_tdp_table **ptable, + const ATOM_PowerTune_Table *table, + uint16_t us_maximum_power_delivery_limit) +{ + unsigned long table_size; + struct phm_cac_tdp_table *tdp_table; + + table_size = sizeof(unsigned long) + sizeof(struct phm_cac_tdp_table); + + tdp_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == tdp_table) + return -ENOMEM; + + tdp_table->usTDP = le16_to_cpu(table->usTDP); + tdp_table->usConfigurableTDP = le16_to_cpu(table->usConfigurableTDP); + tdp_table->usTDC = le16_to_cpu(table->usTDC); + tdp_table->usBatteryPowerLimit = le16_to_cpu(table->usBatteryPowerLimit); + tdp_table->usSmallPowerLimit = le16_to_cpu(table->usSmallPowerLimit); + tdp_table->usLowCACLeakage = le16_to_cpu(table->usLowCACLeakage); + tdp_table->usHighCACLeakage = le16_to_cpu(table->usHighCACLeakage); + tdp_table->usMaximumPowerDeliveryLimit = us_maximum_power_delivery_limit; + + *ptable = tdp_table; + + return 0; +} + +static uint16_t get_sclk_vdd_gfx_table_offset(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t sclk_vdd_gfx_table_offset = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) { + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + if (powerplay_table3->usExtendendedHeaderOffset > 0) { + const ATOM_PPLIB_EXTENDEDHEADER *pExtendedHeader = + (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table3) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + if (le16_to_cpu(pExtendedHeader->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8) + sclk_vdd_gfx_table_offset = + le16_to_cpu(pExtendedHeader->usSclkVddgfxTableOffset); + } + } + + return sclk_vdd_gfx_table_offset; +} + +static uint16_t get_sclk_vdd_gfx_clock_voltage_dependency_table_offset( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + uint16_t tableOffset = get_sclk_vdd_gfx_table_offset(hwmgr, powerplay_table); + + if (tableOffset > 0) + return tableOffset; + + return 0; +} + + +static int get_clock_voltage_dependency_table(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_Clock_Voltage_Dependency_Table *table) +{ + + unsigned long table_size, i; + struct phm_clock_voltage_dependency_table *dep_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_clock_voltage_dependency_table) + * table->ucNumEntries; + + dep_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == dep_table) + return -ENOMEM; + + dep_table->count = (unsigned long)table->ucNumEntries; + + for (i = 0; i < dep_table->count; i++) { + dep_table->entries[i].clk = + ((unsigned long)table->entries[i].ucClockHigh << 16) | + le16_to_cpu(table->entries[i].usClockLow); + dep_table->entries[i].v = + (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + } + + *ptable = dep_table; + + return 0; +} + +static int get_valid_clk(struct pp_hwmgr *hwmgr, + struct phm_clock_array **ptable, + const struct phm_clock_voltage_dependency_table *table) +{ + unsigned long table_size, i; + struct phm_clock_array *clock_table; + + table_size = sizeof(unsigned long) + sizeof(unsigned long) * table->count; + clock_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == clock_table) + return -ENOMEM; + + clock_table->count = (unsigned long)table->count; + + for (i = 0; i < clock_table->count; i++) + clock_table->values[i] = (unsigned long)table->entries[i].clk; + + *ptable = clock_table; + + return 0; +} + +static int get_clock_voltage_limit(struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *limits, + const ATOM_PPLIB_Clock_Voltage_Limit_Table *table) +{ + limits->sclk = ((unsigned long)table->entries[0].ucSclkHigh << 16) | + le16_to_cpu(table->entries[0].usSclkLow); + limits->mclk = ((unsigned long)table->entries[0].ucMclkHigh << 16) | + le16_to_cpu(table->entries[0].usMclkLow); + limits->vddc = (unsigned long)le16_to_cpu(table->entries[0].usVddc); + limits->vddci = (unsigned long)le16_to_cpu(table->entries[0].usVddci); + + return 0; +} + + +static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable, + enum phm_platform_caps cap) +{ + if (enable) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap); + else + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap); +} + +static int set_platform_caps(struct pp_hwmgr *hwmgr, + unsigned long powerplay_caps) +{ + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_POWERPLAY), + PHM_PlatformCaps_PowerPlaySupport + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_SBIOSPOWERSOURCE), + PHM_PlatformCaps_BiosPowerSourceControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s), + PHM_PlatformCaps_EnableASPML0s + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1), + PHM_PlatformCaps_EnableASPML1 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS), + PHM_PlatformCaps_EnableBackbias + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC), + PHM_PlatformCaps_AutomaticDCTransition + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY), + PHM_PlatformCaps_GeminiPrimary + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC), + PHM_PlatformCaps_StepVddc + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VOLTAGECONTROL), + PHM_PlatformCaps_EnableVoltageControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL), + PHM_PlatformCaps_EnableSideportControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1), + PHM_PlatformCaps_TurnOffPll_ASPML1 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_HTLINKCONTROL), + PHM_PlatformCaps_EnableHTLinkControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_MVDDCONTROL), + PHM_PlatformCaps_EnableMVDDControl + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL), + PHM_PlatformCaps_ControlVDDCI + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT), + PHM_PlatformCaps_RegulatorHot + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_GOTO_BOOT_ON_ALERT), + PHM_PlatformCaps_BootStateOnAlert + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_DONT_WAIT_FOR_VBLANK_ON_ALERT), + PHM_PlatformCaps_DontWaitForVBlankOnAlert + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_BACO), + PHM_PlatformCaps_BACO + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_NEW_CAC_VOLTAGE), + PHM_PlatformCaps_NewCACVoltage + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_REVERT_GPIO5_POLARITY), + PHM_PlatformCaps_RevertGPIO5Polarity + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_OUTPUT_THERMAL2GPIO17), + PHM_PlatformCaps_Thermal2GPIO17 + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_VRHOT_GPIO_CONFIGURABLE), + PHM_PlatformCaps_VRHotGPIOConfigurable + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_TEMP_INVERSION), + PHM_PlatformCaps_TempInversion + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_EVV), + PHM_PlatformCaps_EVV + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL), + PHM_PlatformCaps_CombinePCCWithThermalSignal + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE), + PHM_PlatformCaps_LoadPostProductionFirmware + ); + + set_hw_cap( + hwmgr, + 0 != (powerplay_caps & ATOM_PP_PLATFORM_CAP_DISABLE_USING_ACTUAL_TEMPERATURE_FOR_POWER_CALC), + PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc + ); + + return 0; +} + +static PP_StateClassificationFlags make_classification_flags( + struct pp_hwmgr *hwmgr, + USHORT classification, + USHORT classification2) +{ + PP_StateClassificationFlags result = 0; + + if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT) + result |= PP_StateClassificationFlag_Boot; + + if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL) + result |= PP_StateClassificationFlag_Thermal; + + if (classification & + ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE) + result |= PP_StateClassificationFlag_LimitedPowerSource; + + if (classification & ATOM_PPLIB_CLASSIFICATION_REST) + result |= PP_StateClassificationFlag_Rest; + + if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED) + result |= PP_StateClassificationFlag_Forced; + + if (classification & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) + result |= PP_StateClassificationFlag_3DPerformance; + + + if (classification & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE) + result |= PP_StateClassificationFlag_ACOverdriveTemplate; + + if (classification & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) + result |= PP_StateClassificationFlag_Uvd; + + if (classification & ATOM_PPLIB_CLASSIFICATION_HDSTATE) + result |= PP_StateClassificationFlag_UvdHD; + + if (classification & ATOM_PPLIB_CLASSIFICATION_SDSTATE) + result |= PP_StateClassificationFlag_UvdSD; + + if (classification & ATOM_PPLIB_CLASSIFICATION_HD2STATE) + result |= PP_StateClassificationFlag_HD2; + + if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI) + result |= PP_StateClassificationFlag_ACPI; + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2) + result |= PP_StateClassificationFlag_LimitedPowerSource_2; + + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_ULV) + result |= PP_StateClassificationFlag_ULV; + + if (classification2 & ATOM_PPLIB_CLASSIFICATION2_MVC) + result |= PP_StateClassificationFlag_UvdMVC; + + return result; +} + +static int init_non_clock_fields(struct pp_hwmgr *hwmgr, + struct pp_power_state *ps, + uint8_t version, + const ATOM_PPLIB_NONCLOCK_INFO *pnon_clock_info) { + unsigned long rrr_index; + unsigned long tmp; + + ps->classification.ui_label = (le16_to_cpu(pnon_clock_info->usClassification) & + ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; + ps->classification.flags = make_classification_flags(hwmgr, + le16_to_cpu(pnon_clock_info->usClassification), + le16_to_cpu(pnon_clock_info->usClassification2)); + + ps->classification.temporary_state = false; + ps->classification.to_be_deleted = false; + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SINGLE_DISPLAY_ONLY; + + ps->validation.singleDisplayOnly = (0 != tmp); + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_DISALLOW_ON_DC; + + ps->validation.disallowOnDC = (0 != tmp); + + ps->pcie.lanes = ((le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> + ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; + + ps->pcie.lanes = 0; + + ps->display.disableFrameModulation = false; + + rrr_index = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK) >> + ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT; + + if (rrr_index != ATOM_PPLIB_LIMITED_REFRESHRATE_UNLIMITED) { + static const uint8_t look_up[(ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_MASK >> ATOM_PPLIB_LIMITED_REFRESHRATE_VALUE_SHIFT) + 1] = \ + { 0, 50, 0 }; + + ps->display.refreshrateSource = PP_RefreshrateSource_Explicit; + ps->display.explicitRefreshrate = look_up[rrr_index]; + ps->display.limitRefreshrate = true; + + if (ps->display.explicitRefreshrate == 0) + ps->display.limitRefreshrate = false; + } else + ps->display.limitRefreshrate = false; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_ENABLE_VARIBRIGHT; + + ps->display.enableVariBright = (0 != tmp); + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SWSTATE_MEMORY_DLL_OFF; + + ps->memory.dllOff = (0 != tmp); + + ps->memory.m3arb = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT; + + ps->temperatures.min = PP_TEMPERATURE_UNITS_PER_CENTIGRADES * + pnon_clock_info->ucMinTemperature; + + ps->temperatures.max = PP_TEMPERATURE_UNITS_PER_CENTIGRADES * + pnon_clock_info->ucMaxTemperature; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SOFTWARE_DISABLE_LOADBALANCING; + + ps->software.disableLoadBalancing = tmp; + + tmp = le32_to_cpu(pnon_clock_info->ulCapsAndSettings) & + ATOM_PPLIB_SOFTWARE_ENABLE_SLEEP_FOR_TIMESTAMPS; + + ps->software.enableSleepForTimestamps = (0 != tmp); + + ps->validation.supportedPowerLevels = pnon_clock_info->ucRequiredPower; + + if (ATOM_PPLIB_NONCLOCKINFO_VER1 < version) { + ps->uvd_clocks.VCLK = pnon_clock_info->ulVCLK; + ps->uvd_clocks.DCLK = pnon_clock_info->ulDCLK; + } else { + ps->uvd_clocks.VCLK = 0; + ps->uvd_clocks.DCLK = 0; + } + + return 0; +} + +static ULONG size_of_entry_v2(ULONG num_dpm_levels) +{ + return (sizeof(UCHAR) + sizeof(UCHAR) + + (num_dpm_levels * sizeof(UCHAR))); +} + +static const ATOM_PPLIB_STATE_V2 *get_state_entry_v2( + const StateArray * pstate_arrays, + ULONG entry_index) +{ + ULONG i; + const ATOM_PPLIB_STATE_V2 *pstate; + + pstate = pstate_arrays->states; + if (entry_index <= pstate_arrays->ucNumEntries) { + for (i = 0; i < entry_index; i++) + pstate = (ATOM_PPLIB_STATE_V2 *)( + (unsigned long)pstate + + size_of_entry_v2(pstate->ucNumDPMLevels)); + } + return pstate; +} + + +static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table( + struct pp_hwmgr *hwmgr) +{ + const void *table_addr = NULL; + uint8_t frev, crev; + uint16_t size; + + table_addr = cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, PowerPlayInfo), + &size, &frev, &crev); + + hwmgr->soft_pp_table = table_addr; + + return (const ATOM_PPLIB_POWERPLAYTABLE *)table_addr; +} + + +int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr, + unsigned long *num_of_entries) +{ + const StateArray *pstate_arrays; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + + if (powerplay_table == NULL) + return -1; + + if (powerplay_table->sHeader.ucTableFormatRevision >= 6) { + pstate_arrays = (StateArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usStateArrayOffset)); + + *num_of_entries = (unsigned long)(pstate_arrays->ucNumEntries); + } else + *num_of_entries = (unsigned long)(powerplay_table->ucNumStates); + + return 0; +} + +int pp_tables_get_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, + struct pp_power_state *ps, + pp_tables_hw_clock_info_callback func) +{ + int i; + const StateArray *pstate_arrays; + const ATOM_PPLIB_STATE_V2 *pstate_entry_v2; + const ATOM_PPLIB_NONCLOCK_INFO *pnon_clock_info; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + int result = 0; + int res = 0; + + const ClockInfoArray *pclock_arrays; + + const NonClockInfoArray *pnon_clock_arrays; + + const ATOM_PPLIB_STATE *pstate_entry; + + if (powerplay_table == NULL) + return -1; + + ps->classification.bios_index = entry_index; + + if (powerplay_table->sHeader.ucTableFormatRevision >= 6) { + pstate_arrays = (StateArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usStateArrayOffset)); + + if (entry_index > pstate_arrays->ucNumEntries) + return -1; + + pstate_entry_v2 = get_state_entry_v2(pstate_arrays, entry_index); + pclock_arrays = (ClockInfoArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usClockInfoArrayOffset)); + + pnon_clock_arrays = (NonClockInfoArray *)(((unsigned long)powerplay_table) + + le16_to_cpu(powerplay_table->usNonClockInfoArrayOffset)); + + pnon_clock_info = (ATOM_PPLIB_NONCLOCK_INFO *)((unsigned long)(pnon_clock_arrays->nonClockInfo) + + (pstate_entry_v2->nonClockInfoIndex * pnon_clock_arrays->ucEntrySize)); + + result = init_non_clock_fields(hwmgr, ps, pnon_clock_arrays->ucEntrySize, pnon_clock_info); + + for (i = 0; i < pstate_entry_v2->ucNumDPMLevels; i++) { + const void *pclock_info = (const void *)( + (unsigned long)(pclock_arrays->clockInfo) + + (pstate_entry_v2->clockInfoIndex[i] * pclock_arrays->ucEntrySize)); + res = func(hwmgr, &ps->hardware, i, pclock_info); + if ((0 == result) && (0 != res)) + result = res; + } + } else { + if (entry_index > powerplay_table->ucNumStates) + return -1; + + pstate_entry = (ATOM_PPLIB_STATE *)((unsigned long)powerplay_table + powerplay_table->usStateArrayOffset + + entry_index * powerplay_table->ucStateEntrySize); + + pnon_clock_info = (ATOM_PPLIB_NONCLOCK_INFO *)((unsigned long)powerplay_table + + le16_to_cpu(powerplay_table->usNonClockInfoArrayOffset) + + pstate_entry->ucNonClockStateIndex * + powerplay_table->ucNonClockSize); + + result = init_non_clock_fields(hwmgr, ps, + powerplay_table->ucNonClockSize, + pnon_clock_info); + + for (i = 0; i < powerplay_table->ucStateEntrySize-1; i++) { + const void *pclock_info = (const void *)((unsigned long)powerplay_table + + le16_to_cpu(powerplay_table->usClockInfoArrayOffset) + + pstate_entry->ucClockStateIndices[i] * + powerplay_table->ucClockInfoSize); + + int res = func(hwmgr, &ps->hardware, i, pclock_info); + + if ((0 == result) && (0 != res)) + result = res; + } + } + + if ((0 == result) && + (0 != (ps->classification.flags & PP_StateClassificationFlag_Boot))) + result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(ps->hardware)); + + return result; +} + + + +static int init_powerplay_tables( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table +) +{ + return 0; +} + + +static int init_thermal_controller( + struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + return 0; +} + +static int init_overdrive_limits_V1_4(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table, + const ATOM_FIRMWARE_INFO_V1_4 *fw_info) +{ + hwmgr->platform_descriptor.overdriveLimit.engineClock = + le32_to_cpu(fw_info->ulASICMaxEngineClock); + + hwmgr->platform_descriptor.overdriveLimit.memoryClock = + le32_to_cpu(fw_info->ulASICMaxMemoryClock); + + hwmgr->platform_descriptor.maxOverdriveVDDC = + le32_to_cpu(fw_info->ul3DAccelerationEngineClock) & 0x7FF; + + hwmgr->platform_descriptor.minOverdriveVDDC = + le16_to_cpu(fw_info->usBootUpVDDCVoltage); + + hwmgr->platform_descriptor.maxOverdriveVDDC = + le16_to_cpu(fw_info->usBootUpVDDCVoltage); + + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + return 0; +} + +static int init_overdrive_limits_V2_1(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table, + const ATOM_FIRMWARE_INFO_V2_1 *fw_info) +{ + const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3; + const ATOM_PPLIB_EXTENDEDHEADER *header; + + if (le16_to_cpu(powerplay_table->usTableSize) < + sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) + return 0; + + powerplay_table3 = (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table; + + if (0 == powerplay_table3->usExtendendedHeaderOffset) + return 0; + + header = (ATOM_PPLIB_EXTENDEDHEADER *)(((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table3->usExtendendedHeaderOffset)); + + hwmgr->platform_descriptor.overdriveLimit.engineClock = le32_to_cpu(header->ulMaxEngineClock); + hwmgr->platform_descriptor.overdriveLimit.memoryClock = le32_to_cpu(header->ulMaxMemoryClock); + + + hwmgr->platform_descriptor.minOverdriveVDDC = 0; + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + + return 0; +} + +static int init_overdrive_limits(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + int result; + uint8_t frev, crev; + uint16_t size; + + const ATOM_COMMON_TABLE_HEADER *fw_info = NULL; + + hwmgr->platform_descriptor.overdriveLimit.engineClock = 0; + hwmgr->platform_descriptor.overdriveLimit.memoryClock = 0; + hwmgr->platform_descriptor.minOverdriveVDDC = 0; + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + + /* We assume here that fw_info is unchanged if this call fails.*/ + fw_info = cgs_atom_get_data_table(hwmgr->device, + GetIndexIntoMasterTable(DATA, FirmwareInfo), + &size, &frev, &crev); + + if ((fw_info->ucTableFormatRevision == 1) + && (fw_info->usStructureSize >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) + result = init_overdrive_limits_V1_4(hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V1_4 *)fw_info); + + else if ((fw_info->ucTableFormatRevision == 2) + && (fw_info->usStructureSize >= sizeof(ATOM_FIRMWARE_INFO_V2_1))) + result = init_overdrive_limits_V2_1(hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V2_1 *)fw_info); + + if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 + && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0 + && !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_OverdriveDisabledByPowerBudget)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ACOverdriveSupport); + + return result; +} + +static int get_uvd_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_uvd_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *table, + const UVDClockInfoArray *array) +{ + unsigned long table_size, i; + struct phm_uvd_clock_voltage_dependency_table *uvd_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_uvd_clock_voltage_dependency_table) * + table->numEntries; + + uvd_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == uvd_table) + return -ENOMEM; + + uvd_table->count = table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + const UVDClockInfo *entry = + &array->entries[table->entries[i].ucUVDClockInfoIndex]; + uvd_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + uvd_table->entries[i].vclk = ((unsigned long)entry->ucVClkHigh << 16) + | le16_to_cpu(entry->usVClkLow); + uvd_table->entries[i].dclk = ((unsigned long)entry->ucDClkHigh << 16) + | le16_to_cpu(entry->usDClkLow); + } + + *ptable = uvd_table; + + return 0; +} + +static int get_vce_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_vce_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *table, + const VCEClockInfoArray *array) +{ + unsigned long table_size, i; + struct phm_vce_clock_voltage_dependency_table *vce_table = NULL; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_vce_clock_voltage_dependency_table) + * table->numEntries; + + vce_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == vce_table) + return -ENOMEM; + + vce_table->count = table->numEntries; + for (i = 0; i < table->numEntries; i++) { + const VCEClockInfo *entry = &array->entries[table->entries[i].ucVCEClockInfoIndex]; + + vce_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + vce_table->entries[i].evclk = ((unsigned long)entry->ucEVClkHigh << 16) + | le16_to_cpu(entry->usEVClkLow); + vce_table->entries[i].ecclk = ((unsigned long)entry->ucECClkHigh << 16) + | le16_to_cpu(entry->usECClkLow); + } + + *ptable = vce_table; + + return 0; +} + +static int get_samu_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_samu_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *table) +{ + unsigned long table_size, i; + struct phm_samu_clock_voltage_dependency_table *samu_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_samu_clock_voltage_dependency_table) * + table->numEntries; + + samu_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == samu_table) + return -ENOMEM; + + samu_table->count = table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + samu_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + samu_table->entries[i].samclk = ((unsigned long)table->entries[i].ucSAMClockHigh << 16) + | le16_to_cpu(table->entries[i].usSAMClockLow); + } + + *ptable = samu_table; + + return 0; +} + +static int get_acp_clock_voltage_limit_table(struct pp_hwmgr *hwmgr, + struct phm_acp_clock_voltage_dependency_table **ptable, + const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *table) +{ + unsigned table_size, i; + struct phm_acp_clock_voltage_dependency_table *acp_table; + + table_size = sizeof(unsigned long) + + sizeof(struct phm_acp_clock_voltage_dependency_table) * + table->numEntries; + + acp_table = kzalloc(table_size, GFP_KERNEL); + if (NULL == acp_table) + return -ENOMEM; + + acp_table->count = (unsigned long)table->numEntries; + + for (i = 0; i < table->numEntries; i++) { + acp_table->entries[i].v = (unsigned long)le16_to_cpu(table->entries[i].usVoltage); + acp_table->entries[i].acpclk = ((unsigned long)table->entries[i].ucACPClockHigh << 16) + | le16_to_cpu(table->entries[i].usACPClockLow); + } + + *ptable = acp_table; + + return 0; +} + +static int init_clock_voltage_dependency(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + ATOM_PPLIB_Clock_Voltage_Dependency_Table *table; + ATOM_PPLIB_Clock_Voltage_Limit_Table *limit_table; + int result = 0; + + uint16_t vce_clock_info_array_offset; + uint16_t uvd_clock_info_array_offset; + uint16_t table_offset; + + hwmgr->dyn_state.vddc_dependency_on_sclk = NULL; + hwmgr->dyn_state.vddci_dependency_on_mclk = NULL; + hwmgr->dyn_state.vddc_dependency_on_mclk = NULL; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + hwmgr->dyn_state.mvdd_dependency_on_mclk = NULL; + hwmgr->dyn_state.vce_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.uvd_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.samu_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.acp_clock_voltage_dependency_table = NULL; + hwmgr->dyn_state.ppm_parameter_table = NULL; + hwmgr->dyn_state.vdd_gfx_dependency_on_sclk = NULL; + + vce_clock_info_array_offset = get_vce_clock_info_array_offset( + hwmgr, powerplay_table); + table_offset = get_vce_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + if (vce_clock_info_array_offset > 0 && table_offset > 0) { + const VCEClockInfoArray *array = (const VCEClockInfoArray *) + (((unsigned long) powerplay_table) + + vce_clock_info_array_offset); + const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *table = + (const ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_vce_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.vce_clock_voltage_dependency_table, + table, array); + } + + uvd_clock_info_array_offset = get_uvd_clock_info_array_offset(hwmgr, powerplay_table); + table_offset = get_uvd_clock_voltage_limit_table_offset(hwmgr, powerplay_table); + + if (uvd_clock_info_array_offset > 0 && table_offset > 0) { + const UVDClockInfoArray *array = (const UVDClockInfoArray *) + (((unsigned long) powerplay_table) + + uvd_clock_info_array_offset); + const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_uvd_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.uvd_clock_voltage_dependency_table, ptable, array); + } + + table_offset = get_samu_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_SAMClk_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_samu_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.samu_clock_voltage_dependency_table, ptable); + } + + table_offset = get_acp_clock_voltage_limit_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *ptable = + (const ATOM_PPLIB_ACPClk_Voltage_Limit_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_acp_clock_voltage_limit_table(hwmgr, + &hwmgr->dyn_state.acp_clock_voltage_dependency_table, ptable); + } + + table_offset = get_cacp_tdp_table_offset(hwmgr, powerplay_table); + if (table_offset > 0) { + UCHAR rev_id = *(UCHAR *)(((unsigned long)powerplay_table) + table_offset); + + if (rev_id > 0) { + const ATOM_PPLIB_POWERTUNE_Table_V1 *tune_table = + (const ATOM_PPLIB_POWERTUNE_Table_V1 *) + (((unsigned long) powerplay_table) + table_offset); + result = get_cac_tdp_table(hwmgr, &hwmgr->dyn_state.cac_dtp_table, + &tune_table->power_tune_table, + le16_to_cpu(tune_table->usMaximumPowerDeliveryLimit)); + hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp = + le16_to_cpu(tune_table->usTjMax); + } else { + const ATOM_PPLIB_POWERTUNE_Table *tune_table = + (const ATOM_PPLIB_POWERTUNE_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_cac_tdp_table(hwmgr, + &hwmgr->dyn_state.cac_dtp_table, + &tune_table->power_tune_table, 255); + } + } + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE4)) { + const ATOM_PPLIB_POWERPLAYTABLE4 *powerplay_table4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *)powerplay_table; + if (0 != powerplay_table4->usVddcDependencyOnSCLKOffset) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddcDependencyOnSCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddc_dependency_on_sclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usVddciDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddciDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddci_dependency_on_mclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usVddcDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usVddcDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vddc_dependency_on_mclk, table); + } + + if (result == 0 && (0 != powerplay_table4->usMaxClockVoltageOnDCOffset)) { + limit_table = (ATOM_PPLIB_Clock_Voltage_Limit_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usMaxClockVoltageOnDCOffset); + result = get_clock_voltage_limit(hwmgr, + &hwmgr->dyn_state.max_clock_voltage_on_dc, limit_table); + } + + if (result == 0 && (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) && + (0 != hwmgr->dyn_state.vddc_dependency_on_mclk->count)) + result = get_valid_clk(hwmgr, &hwmgr->dyn_state.valid_mclk_values, + hwmgr->dyn_state.vddc_dependency_on_mclk); + + if(result == 0 && (NULL != hwmgr->dyn_state.vddc_dependency_on_sclk) && + (0 != hwmgr->dyn_state.vddc_dependency_on_sclk->count)) + result = get_valid_clk(hwmgr, + &hwmgr->dyn_state.valid_sclk_values, + hwmgr->dyn_state.vddc_dependency_on_sclk); + + if (result == 0 && (0 != powerplay_table4->usMvddDependencyOnMCLKOffset)) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table4) + + powerplay_table4->usMvddDependencyOnMCLKOffset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.mvdd_dependency_on_mclk, table); + } + } + + table_offset = get_sclk_vdd_gfx_clock_voltage_dependency_table_offset(hwmgr, + powerplay_table); + + if (table_offset > 0) { + table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) + (((unsigned long) powerplay_table) + table_offset); + result = get_clock_voltage_dependency_table(hwmgr, + &hwmgr->dyn_state.vdd_gfx_dependency_on_sclk, table); + } + + return result; +} + +static int get_cac_leakage_table(struct pp_hwmgr *hwmgr, + struct phm_cac_leakage_table **ptable, + const ATOM_PPLIB_CAC_Leakage_Table *table) +{ + struct phm_cac_leakage_table *cac_leakage_table; + unsigned long table_size, i; + + if (hwmgr == NULL || table == NULL || ptable == NULL) + return -EINVAL; + + table_size = sizeof(ULONG) + + (sizeof(struct phm_cac_leakage_table) * table->ucNumEntries); + + cac_leakage_table = kzalloc(table_size, GFP_KERNEL); + + if (cac_leakage_table == NULL) + return -ENOMEM; + + cac_leakage_table->count = (ULONG)table->ucNumEntries; + + for (i = 0; i < cac_leakage_table->count; i++) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EVV)) { + cac_leakage_table->entries[i].Vddc1 = le16_to_cpu(table->entries[i].usVddc1); + cac_leakage_table->entries[i].Vddc2 = le16_to_cpu(table->entries[i].usVddc2); + cac_leakage_table->entries[i].Vddc3 = le16_to_cpu(table->entries[i].usVddc3); + } else { + cac_leakage_table->entries[i].Vddc = le16_to_cpu(table->entries[i].usVddc); + cac_leakage_table->entries[i].Leakage = le32_to_cpu(table->entries[i].ulLeakageValue); + } + } + + *ptable = cac_leakage_table; + + return 0; +} + +static int get_platform_power_management_table(struct pp_hwmgr *hwmgr, + ATOM_PPLIB_PPM_Table *atom_ppm_table) +{ + struct phm_ppm_table *ptr = kzalloc(sizeof(struct phm_ppm_table), GFP_KERNEL); + + if (NULL == ptr) + return -ENOMEM; + + ptr->ppm_design = atom_ppm_table->ucPpmDesign; + ptr->cpu_core_number = le16_to_cpu(atom_ppm_table->usCpuCoreNumber); + ptr->platform_tdp = le32_to_cpu(atom_ppm_table->ulPlatformTDP); + ptr->small_ac_platform_tdp = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDP); + ptr->platform_tdc = le32_to_cpu(atom_ppm_table->ulPlatformTDC); + ptr->small_ac_platform_tdc = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDC); + ptr->apu_tdp = le32_to_cpu(atom_ppm_table->ulApuTDP); + ptr->dgpu_tdp = le32_to_cpu(atom_ppm_table->ulDGpuTDP); + ptr->dgpu_ulv_power = le32_to_cpu(atom_ppm_table->ulDGpuUlvPower); + ptr->tj_max = le32_to_cpu(atom_ppm_table->ulTjmax); + hwmgr->dyn_state.ppm_parameter_table = ptr; + + return 0; +} + +static int init_dpm2_parameters(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + int result = 0; + + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE5)) { + const ATOM_PPLIB_POWERPLAYTABLE5 *ptable5 = + (const ATOM_PPLIB_POWERPLAYTABLE5 *)powerplay_table; + const ATOM_PPLIB_POWERPLAYTABLE4 *ptable4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *) + (&ptable5->basicTable4); + const ATOM_PPLIB_POWERPLAYTABLE3 *ptable3 = + (const ATOM_PPLIB_POWERPLAYTABLE3 *) + (&ptable4->basicTable3); + const ATOM_PPLIB_EXTENDEDHEADER *extended_header; + uint16_t table_offset; + ATOM_PPLIB_PPM_Table *atom_ppm_table; + + hwmgr->platform_descriptor.TDPLimit = le32_to_cpu(ptable5->ulTDPLimit); + hwmgr->platform_descriptor.nearTDPLimit = le32_to_cpu(ptable5->ulNearTDPLimit); + + hwmgr->platform_descriptor.TDPODLimit = le16_to_cpu(ptable5->usTDPODLimit); + hwmgr->platform_descriptor.TDPAdjustment = 0; + + hwmgr->platform_descriptor.VidAdjustment = 0; + hwmgr->platform_descriptor.VidAdjustmentPolarity = 0; + hwmgr->platform_descriptor.VidMinLimit = 0; + hwmgr->platform_descriptor.VidMaxLimit = 1500000; + hwmgr->platform_descriptor.VidStep = 6250; + + hwmgr->platform_descriptor.nearTDPLimitAdjusted = le32_to_cpu(ptable5->ulNearTDPLimit); + + if (hwmgr->platform_descriptor.TDPODLimit != 0) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerControl); + + hwmgr->platform_descriptor.SQRampingThreshold = le32_to_cpu(ptable5->ulSQRampingThreshold); + + hwmgr->platform_descriptor.CACLeakage = le32_to_cpu(ptable5->ulCACLeakage); + + hwmgr->dyn_state.cac_leakage_table = NULL; + + if (0 != ptable5->usCACLeakageTableOffset) { + const ATOM_PPLIB_CAC_Leakage_Table *pCAC_leakage_table = + (ATOM_PPLIB_CAC_Leakage_Table *)(((unsigned long)ptable5) + + le16_to_cpu(ptable5->usCACLeakageTableOffset)); + result = get_cac_leakage_table(hwmgr, + &hwmgr->dyn_state.cac_leakage_table, pCAC_leakage_table); + } + + hwmgr->platform_descriptor.LoadLineSlope = le16_to_cpu(ptable5->usLoadLineSlope); + + hwmgr->dyn_state.ppm_parameter_table = NULL; + + if (0 != ptable3->usExtendendedHeaderOffset) { + extended_header = (const ATOM_PPLIB_EXTENDEDHEADER *) + (((unsigned long)powerplay_table) + + le16_to_cpu(ptable3->usExtendendedHeaderOffset)); + if ((extended_header->usPPMTableOffset > 0) && + le16_to_cpu(extended_header->usSize) >= + SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) { + table_offset = le16_to_cpu(extended_header->usPPMTableOffset); + atom_ppm_table = (ATOM_PPLIB_PPM_Table *) + (((unsigned long)powerplay_table) + table_offset); + if (0 == get_platform_power_management_table(hwmgr, atom_ppm_table)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnablePlatformPowerManagement); + } + } + } + return result; +} + +static int init_phase_shedding_table(struct pp_hwmgr *hwmgr, + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table) +{ + if (le16_to_cpu(powerplay_table->usTableSize) >= + sizeof(ATOM_PPLIB_POWERPLAYTABLE4)) { + const ATOM_PPLIB_POWERPLAYTABLE4 *powerplay_table4 = + (const ATOM_PPLIB_POWERPLAYTABLE4 *)powerplay_table; + + if (0 != powerplay_table4->usVddcPhaseShedLimitsTableOffset) { + const ATOM_PPLIB_PhaseSheddingLimits_Table *ptable = + (ATOM_PPLIB_PhaseSheddingLimits_Table *) + (((unsigned long)powerplay_table4) + + le16_to_cpu(powerplay_table4->usVddcPhaseShedLimitsTableOffset)); + struct phm_phase_shedding_limits_table *table; + unsigned long size, i; + + + size = sizeof(unsigned long) + + (sizeof(struct phm_phase_shedding_limits_table) * + ptable->ucNumEntries); + + table = kzalloc(size, GFP_KERNEL); + + if (table == NULL) + return -ENOMEM; + + table->count = (unsigned long)ptable->ucNumEntries; + + for (i = 0; i < table->count; i++) { + table->entries[i].Voltage = (unsigned long)le16_to_cpu(ptable->entries[i].usVoltage); + table->entries[i].Sclk = ((unsigned long)ptable->entries[i].ucSclkHigh << 16) + | le16_to_cpu(ptable->entries[i].usSclkLow); + table->entries[i].Mclk = ((unsigned long)ptable->entries[i].ucMclkHigh << 16) + | le16_to_cpu(ptable->entries[i].usMclkLow); + } + hwmgr->dyn_state.vddc_phase_shed_limits_table = table; + } + } + + return 0; +} + +int get_number_of_vce_state_table_entries( + struct pp_hwmgr *hwmgr) +{ + const ATOM_PPLIB_POWERPLAYTABLE *table = + get_powerplay_table(hwmgr); + const ATOM_PPLIB_VCE_State_Table *vce_table = + get_vce_state_table(hwmgr, table); + + if (vce_table > 0) + return vce_table->numEntries; + + return 0; +} + +int get_vce_state_table_entry(struct pp_hwmgr *hwmgr, + unsigned long i, + struct PP_VCEState *vce_state, + void **clock_info, + unsigned long *flag) +{ + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table = get_powerplay_table(hwmgr); + + const ATOM_PPLIB_VCE_State_Table *vce_state_table = get_vce_state_table(hwmgr, powerplay_table); + + unsigned short vce_clock_info_array_offset = get_vce_clock_info_array_offset(hwmgr, powerplay_table); + + const VCEClockInfoArray *vce_clock_info_array = (const VCEClockInfoArray *)(((unsigned long) powerplay_table) + vce_clock_info_array_offset); + + const ClockInfoArray *clock_arrays = (ClockInfoArray *)(((unsigned long)powerplay_table) + powerplay_table->usClockInfoArrayOffset); + + const ATOM_PPLIB_VCE_State_Record *record = &vce_state_table->entries[i]; + + const VCEClockInfo *vce_clock_info = &vce_clock_info_array->entries[record->ucVCEClockInfoIndex]; + + unsigned long clockInfoIndex = record->ucClockInfoIndex & 0x3F; + + *flag = (record->ucClockInfoIndex >> NUM_BITS_CLOCK_INFO_ARRAY_INDEX); + + vce_state->evclk = ((uint32_t)vce_clock_info->ucEVClkHigh << 16) | vce_clock_info->usEVClkLow; + vce_state->ecclk = ((uint32_t)vce_clock_info->ucECClkHigh << 16) | vce_clock_info->usECClkLow; + + *clock_info = (void *)((unsigned long)(clock_arrays->clockInfo) + (clockInfoIndex * clock_arrays->ucEntrySize)); + + return 0; +} + + +static int pp_tables_initialize(struct pp_hwmgr *hwmgr) +{ + int result; + const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table; + + hwmgr->need_pp_table_upload = true; + + powerplay_table = get_powerplay_table(hwmgr); + + result = init_powerplay_tables(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_powerplay_tables failed", return result); + + result = set_platform_caps(hwmgr, + le32_to_cpu(powerplay_table->ulPlatformCaps)); + + PP_ASSERT_WITH_CODE((result == 0), + "set_platform_caps failed", return result); + + result = init_thermal_controller(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_thermal_controller failed", return result); + + result = init_overdrive_limits(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_overdrive_limits failed", return result); + + result = init_clock_voltage_dependency(hwmgr, + powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_clock_voltage_dependency failed", return result); + + result = init_dpm2_parameters(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_dpm2_parameters failed", return result); + + result = init_phase_shedding_table(hwmgr, powerplay_table); + + PP_ASSERT_WITH_CODE((result == 0), + "init_phase_shedding_table failed", return result); + + return result; +} + +static int pp_tables_uninitialize(struct pp_hwmgr *hwmgr) +{ + if (NULL != hwmgr->soft_pp_table) { + kfree(hwmgr->soft_pp_table); + hwmgr->soft_pp_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_dependency_on_sclk) { + kfree(hwmgr->dyn_state.vddc_dependency_on_sclk); + hwmgr->dyn_state.vddc_dependency_on_sclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) { + kfree(hwmgr->dyn_state.vddci_dependency_on_mclk); + hwmgr->dyn_state.vddci_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) { + kfree(hwmgr->dyn_state.vddc_dependency_on_mclk); + hwmgr->dyn_state.vddc_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.mvdd_dependency_on_mclk) { + kfree(hwmgr->dyn_state.mvdd_dependency_on_mclk); + hwmgr->dyn_state.mvdd_dependency_on_mclk = NULL; + } + + if (NULL != hwmgr->dyn_state.valid_mclk_values) { + kfree(hwmgr->dyn_state.valid_mclk_values); + hwmgr->dyn_state.valid_mclk_values = NULL; + } + + if (NULL != hwmgr->dyn_state.valid_sclk_values) { + kfree(hwmgr->dyn_state.valid_sclk_values); + hwmgr->dyn_state.valid_sclk_values = NULL; + } + + if (NULL != hwmgr->dyn_state.cac_leakage_table) { + kfree(hwmgr->dyn_state.cac_leakage_table); + hwmgr->dyn_state.cac_leakage_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vddc_phase_shed_limits_table) { + kfree(hwmgr->dyn_state.vddc_phase_shed_limits_table); + hwmgr->dyn_state.vddc_phase_shed_limits_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vce_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.vce_clock_voltage_dependency_table); + hwmgr->dyn_state.vce_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.uvd_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.uvd_clock_voltage_dependency_table); + hwmgr->dyn_state.uvd_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.samu_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.samu_clock_voltage_dependency_table); + hwmgr->dyn_state.samu_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.acp_clock_voltage_dependency_table) { + kfree(hwmgr->dyn_state.acp_clock_voltage_dependency_table); + hwmgr->dyn_state.acp_clock_voltage_dependency_table = NULL; + } + + if (NULL != hwmgr->dyn_state.cac_dtp_table) { + kfree(hwmgr->dyn_state.cac_dtp_table); + hwmgr->dyn_state.cac_dtp_table = NULL; + } + + if (NULL != hwmgr->dyn_state.ppm_parameter_table) { + kfree(hwmgr->dyn_state.ppm_parameter_table); + hwmgr->dyn_state.ppm_parameter_table = NULL; + } + + if (NULL != hwmgr->dyn_state.vdd_gfx_dependency_on_sclk) { + kfree(hwmgr->dyn_state.vdd_gfx_dependency_on_sclk); + hwmgr->dyn_state.vdd_gfx_dependency_on_sclk = NULL; + } + + if (NULL != hwmgr->dyn_state.vq_budgeting_table) { + kfree(hwmgr->dyn_state.vq_budgeting_table); + hwmgr->dyn_state.vq_budgeting_table = NULL; + } + + return 0; +} + +const struct pp_table_func pptable_funcs = { + .pptable_init = pp_tables_initialize, + .pptable_fini = pp_tables_uninitialize, + .pptable_get_number_of_vce_state_table_entries = + get_number_of_vce_state_table_entries, + .pptable_get_vce_state_table_entry = + get_vce_state_table_entry, +}; + |