/* * Copyright 2015 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #ifndef _HARDWARE_MANAGER_H_ #define _HARDWARE_MANAGER_H_ struct pp_hwmgr; struct pp_hw_power_state; struct pp_power_state; enum amd_dpm_forced_level; struct PP_TemperatureRange; struct phm_fan_speed_info { uint32_t min_percent; uint32_t max_percent; uint32_t min_rpm; uint32_t max_rpm; bool supports_percent_read; bool supports_percent_write; bool supports_rpm_read; bool supports_rpm_write; }; /* Automatic Power State Throttling */ enum PHM_AutoThrottleSource { PHM_AutoThrottleSource_Thermal, PHM_AutoThrottleSource_External }; typedef enum PHM_AutoThrottleSource PHM_AutoThrottleSource; enum phm_platform_caps { PHM_PlatformCaps_AtomBiosPpV1 = 0, PHM_PlatformCaps_PowerPlaySupport, PHM_PlatformCaps_ACOverdriveSupport, PHM_PlatformCaps_BacklightSupport, PHM_PlatformCaps_ThermalController, PHM_PlatformCaps_BiosPowerSourceControl, PHM_PlatformCaps_DisableVoltageTransition, PHM_PlatformCaps_DisableEngineTransition, PHM_PlatformCaps_DisableMemoryTransition, PHM_PlatformCaps_DynamicPowerManagement, PHM_PlatformCaps_EnableASPML0s, PHM_PlatformCaps_EnableASPML1, PHM_PlatformCaps_OD5inACSupport, PHM_PlatformCaps_OD5inDCSupport, PHM_PlatformCaps_SoftStateOD5, PHM_PlatformCaps_NoOD5Support, PHM_PlatformCaps_ContinuousHardwarePerformanceRange, PHM_PlatformCaps_ActivityReporting, PHM_PlatformCaps_EnableBackbias, PHM_PlatformCaps_OverdriveDisabledByPowerBudget, PHM_PlatformCaps_ShowPowerBudgetWarning, PHM_PlatformCaps_PowerBudgetWaiverAvailable, PHM_PlatformCaps_GFXClockGatingSupport, PHM_PlatformCaps_MMClockGatingSupport, PHM_PlatformCaps_AutomaticDCTransition, PHM_PlatformCaps_GeminiPrimary, PHM_PlatformCaps_MemorySpreadSpectrumSupport, PHM_PlatformCaps_EngineSpreadSpectrumSupport, PHM_PlatformCaps_StepVddc, PHM_PlatformCaps_DynamicPCIEGen2Support, PHM_PlatformCaps_SMC, PHM_PlatformCaps_FaultyInternalThermalReading, /* Internal thermal controller reports faulty temperature value when DAC2 is active */ PHM_PlatformCaps_EnableVoltageControl, /* indicates voltage can be controlled */ PHM_PlatformCaps_EnableSideportControl, /* indicates Sideport can be controlled */ PHM_PlatformCaps_VideoPlaybackEEUNotification, /* indicates EEU notification of video start/stop is required */ PHM_PlatformCaps_TurnOffPll_ASPML1, /* PCIE Turn Off PLL in ASPM L1 */ PHM_PlatformCaps_EnableHTLinkControl, /* indicates HT Link can be controlled by ACPI or CLMC overridden/automated mode. */ PHM_PlatformCaps_PerformanceStateOnly, /* indicates only performance power state to be used on current system. */ PHM_PlatformCaps_ExclusiveModeAlwaysHigh, /* In Exclusive (3D) mode always stay in High state. */ PHM_PlatformCaps_DisableMGClockGating, /* to disable Medium Grain Clock Gating or not */ PHM_PlatformCaps_DisableMGCGTSSM, /* TO disable Medium Grain Clock Gating Shader Complex control */ PHM_PlatformCaps_UVDAlwaysHigh, /* In UVD mode always stay in High state */ PHM_PlatformCaps_DisablePowerGating, /* to disable power gating */ PHM_PlatformCaps_CustomThermalPolicy, /* indicates only performance power state to be used on current system. */ PHM_PlatformCaps_StayInBootState, /* Stay in Boot State, do not do clock/voltage or PCIe Lane and Gen switching (RV7xx and up). */ PHM_PlatformCaps_SMCAllowSeparateSWThermalState, /* SMC use separate SW thermal state, instead of the default SMC thermal policy. */ PHM_PlatformCaps_MultiUVDStateSupport, /* Powerplay state table supports multi UVD states. */ PHM_PlatformCaps_EnableSCLKDeepSleepForUVD, /* With HW ECOs, we don't need to disable SCLK Deep Sleep for UVD state. */ PHM_PlatformCaps_EnableMCUHTLinkControl, /* Enable HT link control by MCU */ PHM_PlatformCaps_ABM, /* ABM support.*/ PHM_PlatformCaps_KongThermalPolicy, /* A thermal policy specific for Kong */ PHM_PlatformCaps_SwitchVDDNB, /* if the users want to switch VDDNB */ PHM_PlatformCaps_ULPS, /* support ULPS mode either through ACPI state or ULPS state */ PHM_PlatformCaps_NativeULPS, /* hardware capable of ULPS state (other than through the ACPI state) */ PHM_PlatformCaps_EnableMVDDControl, /* indicates that memory voltage can be controlled */ PHM_PlatformCaps_ControlVDDCI, /* Control VDDCI separately from VDDC. */ PHM_PlatformCaps_DisableDCODT, /* indicates if DC ODT apply or not */ PHM_PlatformCaps_DynamicACTiming, /* if the SMC dynamically re-programs MC SEQ register values */ PHM_PlatformCaps_EnableThermalIntByGPIO, /* enable throttle control through GPIO */ PHM_PlatformCaps_BootStateOnAlert, /* Go to boot state on alerts, e.g. on an AC->DC transition. */ PHM_PlatformCaps_DontWaitForVBlankOnAlert, /* Do NOT wait for VBLANK during an alert (e.g. AC->DC transition). */ PHM_PlatformCaps_Force3DClockSupport, /* indicates if the platform supports force 3D clock. */ PHM_PlatformCaps_MicrocodeFanControl, /* Fan is controlled by the SMC microcode. */ PHM_PlatformCaps_AdjustUVDPriorityForSP, PHM_PlatformCaps_DisableLightSleep, /* Light sleep for evergreen family. */ PHM_PlatformCaps_DisableMCLS, /* MC Light sleep */ PHM_PlatformCaps_RegulatorHot, /* Enable throttling on 'regulator hot' events. */ PHM_PlatformCaps_BACO, /* Support Bus Alive Chip Off mode */ PHM_PlatformCaps_DisableDPM, /* Disable DPM, supported from Llano */ PHM_PlatformCaps_DynamicM3Arbiter, /* support dynamically change m3 arbitor parameters */ PHM_PlatformCaps_SclkDeepSleep, /* support sclk deep sleep */ PHM_PlatformCaps_DynamicPatchPowerState, /* this ASIC supports to patch power state dynamically */ PHM_PlatformCaps_ThermalAutoThrottling, /* enabling auto thermal throttling, */ PHM_PlatformCaps_SumoThermalPolicy, /* A thermal policy specific for Sumo */ PHM_PlatformCaps_PCIEPerformanceRequest, /* support to change RC voltage */ PHM_PlatformCaps_BLControlledByGPU, /* support varibright */ PHM_PlatformCaps_PowerContainment, /* support DPM2 power containment (AKA TDP clamping) */ PHM_PlatformCaps_SQRamping, /* support DPM2 SQ power throttle */ PHM_PlatformCaps_CAC, /* support Capacitance * Activity power estimation */ PHM_PlatformCaps_NIChipsets, /* Northern Island and beyond chipsets */ PHM_PlatformCaps_TrinityChipsets, /* Trinity chipset */ PHM_PlatformCaps_EvergreenChipsets, /* Evergreen family chipset */ PHM_PlatformCaps_PowerControl, /* Cayman and beyond chipsets */ PHM_PlatformCaps_DisableLSClockGating, /* to disable Light Sleep control for HDP memories */ PHM_PlatformCaps_BoostState, /* this ASIC supports boost state */ PHM_PlatformCaps_UserMaxClockForMultiDisplays, /* indicates if max memory clock is used for all status when multiple displays are connected */ PHM_PlatformCaps_RegWriteDelay, /* indicates if back to back reg write delay is required */ PHM_PlatformCaps_NonABMSupportInPPLib, /* ABM is not supported in PPLIB, (moved from PPLIB to DAL) */ PHM_PlatformCaps_GFXDynamicMGPowerGating, /* Enable Dynamic MG PowerGating on Trinity */ PHM_PlatformCaps_DisableSMUUVDHandshake, /* Disable SMU UVD Handshake */ PHM_PlatformCaps_DTE, /* Support Digital Temperature Estimation */ PHM_PlatformCaps_W5100Specifc_SmuSkipMsgDTE, /* This is for the feature requested by David B., and Tonny W.*/ PHM_PlatformCaps_UVDPowerGating, /* enable UVD power gating, supported from Llano */ PHM_PlatformCaps_UVDDynamicPowerGating, /* enable UVD Dynamic power gating, supported from UVD5 */ PHM_PlatformCaps_VCEPowerGating, /* Enable VCE power gating, supported for TN and later ASICs */ PHM_PlatformCaps_SamuPowerGating, /* Enable SAMU power gating, supported for KV and later ASICs */ PHM_PlatformCaps_UVDDPM, /* UVD clock DPM */ PHM_PlatformCaps_VCEDPM, /* VCE clock DPM */ PHM_PlatformCaps_SamuDPM, /* SAMU clock DPM */ PHM_PlatformCaps_AcpDPM, /* ACP clock DPM */ PHM_PlatformCaps_SclkDeepSleepAboveLow, /* Enable SCLK Deep Sleep on all DPM states */ PHM_PlatformCaps_DynamicUVDState, /* Dynamic UVD State */ PHM_PlatformCaps_WantSAMClkWithDummyBackEnd, /* Set SAM Clk With Dummy Back End */ PHM_PlatformCaps_WantUVDClkWithDummyBackEnd, /* Set UVD Clk With Dummy Back End */ PHM_PlatformCaps_WantVCEClkWithDummyBackEnd, /* Set VCE Clk With Dummy Back End */ PHM_PlatformCaps_WantACPClkWithDummyBackEnd, /* Set SAM Clk With Dummy Back End */ PHM_PlatformCaps_OD6inACSupport, /* indicates that the ASIC/back end supports OD6 */ PHM_PlatformCaps_OD6inDCSupport, /* indicates that the ASIC/back end supports OD6 in DC */ PHM_PlatformCaps_EnablePlatformPowerManagement, /* indicates that Platform Power Management feature is supported */ PHM_PlatformCaps_SurpriseRemoval, /* indicates that surprise removal feature is requested */ PHM_PlatformCaps_NewCACVoltage, /* indicates new CAC voltage table support */ PHM_PlatformCaps_DBRamping, /* for dI/dT feature */ PHM_PlatformCaps_TDRamping, /* for dI/dT feature */ PHM_PlatformCaps_TCPRamping, /* for dI/dT feature */ PHM_PlatformCaps_EnableSMU7ThermalManagement, /* SMC will manage thermal events */ PHM_PlatformCaps_FPS, /* FPS support */ PHM_PlatformCaps_ACP, /* ACP support */ PHM_PlatformCaps_SclkThrottleLowNotification, /* SCLK Throttle Low Notification */ PHM_PlatformCaps_XDMAEnabled, /* XDMA engine is enabled */ PHM_PlatformCaps_UseDummyBackEnd, /* use dummy back end */ PHM_PlatformCaps_EnableDFSBypass, /* Enable DFS bypass */ PHM_PlatformCaps_VddNBDirectRequest, PHM_PlatformCaps_PauseMMSessions, PHM_PlatformCaps_UnTabledHardwareInterface, /* Tableless/direct call hardware interface for CI and newer ASICs */ PHM_PlatformCaps_SMU7, /* indicates that vpuRecoveryBegin without SMU shutdown */ PHM_PlatformCaps_RevertGPIO5Polarity, /* indicates revert GPIO5 plarity table support */ PHM_PlatformCaps_Thermal2GPIO17, /* indicates thermal2GPIO17 table support */ PHM_PlatformCaps_ThermalOutGPIO, /* indicates ThermalOutGPIO support, pin number is assigned by VBIOS */ PHM_PlatformCaps_DisableMclkSwitchingForFrameLock, /* Disable memory clock switch during Framelock */ PHM_PlatformCaps_ForceMclkHigh, /* Disable memory clock switching by forcing memory clock high */ PHM_PlatformCaps_VRHotGPIOConfigurable, /* indicates VR_HOT GPIO configurable */ PHM_PlatformCaps_TempInversion, /* enable Temp Inversion feature */ PHM_PlatformCaps_IOIC3, PHM_PlatformCaps_ConnectedStandby, PHM_PlatformCaps_EVV, PHM_PlatformCaps_EnableLongIdleBACOSupport, PHM_PlatformCaps_CombinePCCWithThermalSignal, PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc, PHM_PlatformCaps_StablePState, PHM_PlatformCaps_OD6PlusinACSupport, PHM_PlatformCaps_OD6PlusinDCSupport, PHM_PlatformCaps_ODThermalLimitUnlock, PHM_PlatformCaps_ReducePowerLimit, PHM_PlatformCaps_ODFuzzyFanControlSupport, PHM_PlatformCaps_GeminiRegulatorFanControlSupport, PHM_PlatformCaps_ControlVDDGFX, PHM_PlatformCaps_BBBSupported, PHM_PlatformCaps_DisableVoltageIsland, PHM_PlatformCaps_FanSpeedInTableIsRPM, PHM_PlatformCaps_GFXClockGatingManagedInCAIL, PHM_PlatformCaps_IcelandULPSSWWorkAround, PHM_PlatformCaps_FPSEnhancement, PHM_PlatformCaps_LoadPostProductionFirmware, PHM_PlatformCaps_VpuRecoveryInProgress, PHM_PlatformCaps_Falcon_QuickTransition, PHM_PlatformCaps_AVFS, PHM_PlatformCaps_ClockStretcher, PHM_PlatformCaps_TablelessHardwareInterface, PHM_PlatformCaps_EnableDriverEVV, PHM_PlatformCaps_SPLLShutdownSupport, PHM_PlatformCaps_VirtualBatteryState, PHM_PlatformCaps_IgnoreForceHighClockRequestsInAPUs, PHM_PlatformCaps_DisableMclkSwitchForVR, PHM_PlatformCaps_SMU8, PHM_PlatformCaps_VRHotPolarityHigh, PHM_PlatformCaps_IPS_UlpsExclusive, PHM_PlatformCaps_SMCtoPPLIBAcdcGpioScheme, PHM_PlatformCaps_GeminiAsymmetricPower, PHM_PlatformCaps_OCLPowerOptimization, PHM_PlatformCaps_MaxPCIEBandWidth, PHM_PlatformCaps_PerfPerWattOptimizationSupport, PHM_PlatformCaps_UVDClientMCTuning, PHM_PlatformCaps_ODNinACSupport, PHM_PlatformCaps_ODNinDCSupport, PHM_PlatformCaps_Max }; #define PHM_MAX_NUM_CAPS_BITS_PER_FIELD (sizeof(uint32_t)*8) /* Number of uint32_t entries used by CAPS table */ #define PHM_MAX_NUM_CAPS_ULONG_ENTRIES \ ((PHM_PlatformCaps_Max + ((PHM_MAX_NUM_CAPS_BITS_PER_FIELD) - 1)) / (PHM_MAX_NUM_CAPS_BITS_PER_FIELD)) struct pp_hw_descriptor { uint32_t hw_caps[PHM_MAX_NUM_CAPS_ULONG_ENTRIES]; }; enum PHM_PerformanceLevelDesignation { PHM_PerformanceLevelDesignation_Activity, PHM_PerformanceLevelDesignation_PowerContainment }; typedef enum PHM_PerformanceLevelDesignation PHM_PerformanceLevelDesignation; struct PHM_PerformanceLevel { uint32_t coreClock; uint32_t memory_clock; uint32_t vddc; uint32_t vddci; uint32_t nonLocalMemoryFreq; uint32_t nonLocalMemoryWidth; }; typedef struct PHM_PerformanceLevel PHM_PerformanceLevel; /* Function for setting a platform cap */ static inline void phm_cap_set(uint32_t *caps, enum phm_platform_caps c) { caps[c / PHM_MAX_NUM_CAPS_BITS_PER_FIELD] |= (1UL << (c & (PHM_MAX_NUM_CAPS_BITS_PER_FIELD - 1))); } static inline void phm_cap_unset(uint32_t *caps, enum phm_platform_caps c) { caps[c / PHM_MAX_NUM_CAPS_BITS_PER_FIELD] &= ~(1UL << (c & (PHM_MAX_NUM_CAPS_BITS_PER_FIELD - 1))); } static inline bool phm_cap_enabled(const uint32_t *caps, enum phm_platform_caps c) { return (0 != (caps[c / PHM_MAX_NUM_CAPS_BITS_PER_FIELD] & (1UL << (c & (PHM_MAX_NUM_CAPS_BITS_PER_FIELD - 1))))); } #define PP_PCIEGenInvalid 0xffff enum PP_PCIEGen { PP_PCIEGen1 = 0, /* PCIE 1.0 - Transfer rate of 2.5 GT/s */ PP_PCIEGen2, /*PCIE 2.0 - Transfer rate of 5.0 GT/s */ PP_PCIEGen3 /*PCIE 3.0 - Transfer rate of 8.0 GT/s */ }; typedef enum PP_PCIEGen PP_PCIEGen; #define PP_Min_PCIEGen PP_PCIEGen1 #define PP_Max_PCIEGen PP_PCIEGen3 #define PP_Min_PCIELane 1 #define PP_Max_PCIELane 32 enum phm_clock_Type { PHM_DispClock = 1, PHM_SClock, PHM_MemClock }; #define MAX_NUM_CLOCKS 16 struct PP_Clocks { uint32_t engineClock; uint32_t memoryClock; uint32_t BusBandwidth; uint32_t engineClockInSR; uint32_t dcefClock; uint32_t dcefClockInSR; }; struct pp_clock_info { uint32_t min_mem_clk; uint32_t max_mem_clk; uint32_t min_eng_clk; uint32_t max_eng_clk; uint32_t min_bus_bandwidth; uint32_t max_bus_bandwidth; }; struct phm_platform_descriptor { uint32_t platformCaps[PHM_MAX_NUM_CAPS_ULONG_ENTRIES]; uint32_t vbiosInterruptId; struct PP_Clocks overdriveLimit; struct PP_Clocks clockStep; uint32_t hardwareActivityPerformanceLevels; uint32_t minimumClocksReductionPercentage; uint32_t minOverdriveVDDC; uint32_t maxOverdriveVDDC; uint32_t overdriveVDDCStep; uint32_t hardwarePerformanceLevels; uint16_t powerBudget; uint32_t TDPLimit; uint32_t nearTDPLimit; uint32_t nearTDPLimitAdjusted; uint32_t SQRampingThreshold; uint32_t CACLeakage; uint16_t TDPODLimit; uint32_t TDPAdjustment; bool TDPAdjustmentPolarity; uint16_t LoadLineSlope; uint32_t VidMinLimit; uint32_t VidMaxLimit; uint32_t VidStep; uint32_t VidAdjustment; bool VidAdjustmentPolarity; }; struct phm_clocks { uint32_t num_of_entries; uint32_t clock[MAX_NUM_CLOCKS]; }; struct phm_odn_performance_level { uint32_t clock; uint32_t vddc; bool enabled; }; struct phm_odn_clock_levels { uint32_t size; uint32_t options; uint32_t flags; uint32_t number_of_performance_levels; /* variable-sized array, specify by ulNumberOfPerformanceLevels. */ struct phm_odn_performance_level performance_level_entries[8]; }; extern int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr); extern int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr); extern int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate); extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate); extern int phm_powerdown_uvd(struct pp_hwmgr *hwmgr); extern int phm_setup_asic(struct pp_hwmgr *hwmgr); extern int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr); extern int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr); extern bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr); extern int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block); extern int phm_set_power_state(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pcurrent_state, const struct pp_hw_power_state *pnew_power_state); extern int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, struct pp_power_state *adjusted_ps, const struct pp_power_state *current_ps); extern int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level); extern int phm_display_configuration_changed(struct pp_hwmgr *hwmgr); extern int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr); extern int phm_register_thermal_interrupt(struct pp_hwmgr *hwmgr, const void *info); extern int phm_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *temperature_range); extern int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr); extern bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr); extern int phm_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal); extern int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr, const struct amd_pp_display_configuration *display_config); extern int phm_get_dal_power_level(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *info); extern int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr); extern int phm_power_down_asic(struct pp_hwmgr *hwmgr); extern int phm_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, PHM_PerformanceLevelDesignation designation, uint32_t index, PHM_PerformanceLevel *level); extern int phm_get_clock_info(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *pclock_info, PHM_PerformanceLevelDesignation designation); extern int phm_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *clock_info); extern int phm_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct amd_pp_clocks *clocks); extern int phm_get_clock_by_type_with_latency(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct pp_clock_levels_with_latency *clocks); extern int phm_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct pp_clock_levels_with_voltage *clocks); extern int phm_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr, struct pp_wm_sets_with_clock_ranges_soc15 *wm_with_clock_ranges); extern int phm_display_clock_voltage_request(struct pp_hwmgr *hwmgr, struct pp_display_clock_request *clock); extern int phm_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks); #endif /* _HARDWARE_MANAGER_H_ */