linux/drivers/gpu/drm/amd/powerplay/vega20_ppt.c

/*
 * Copyright 2019 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 "pp_debug.h"
#include <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "atomfirmware.h"
#include "amdgpu_atomfirmware.h"
#include "smu_v11_0.h"
#include "smu11_driver_if.h"
#include "soc15_common.h"
#include "atom.h"
#include "vega20_ppt.h"
#include "vega20_pptable.h"
#include "vega20_ppsmc.h"

#define MSG_MAP(msg, index) \
	[SMU_MSG_##msg] = index

static int vega20_message_map[SMU_MSG_MAX_COUNT] = {
	MSG_MAP(TestMessage,			PPSMC_MSG_TestMessage),
	MSG_MAP(GetSmuVersion,			PPSMC_MSG_GetSmuVersion),
	MSG_MAP(GetDriverIfVersion,		PPSMC_MSG_GetDriverIfVersion),
	MSG_MAP(SetAllowedFeaturesMaskLow,	PPSMC_MSG_SetAllowedFeaturesMaskLow),
	MSG_MAP(SetAllowedFeaturesMaskHigh,	PPSMC_MSG_SetAllowedFeaturesMaskHigh),
	MSG_MAP(EnableAllSmuFeatures,		PPSMC_MSG_EnableAllSmuFeatures),
	MSG_MAP(DisableAllSmuFeatures,		PPSMC_MSG_DisableAllSmuFeatures),
	MSG_MAP(EnableSmuFeaturesLow,		PPSMC_MSG_EnableSmuFeaturesLow),
	MSG_MAP(EnableSmuFeaturesHigh,		PPSMC_MSG_EnableSmuFeaturesHigh),
	MSG_MAP(DisableSmuFeaturesLow,		PPSMC_MSG_DisableSmuFeaturesLow),
	MSG_MAP(DisableSmuFeaturesHigh,		PPSMC_MSG_DisableSmuFeaturesHigh),
	MSG_MAP(GetEnabledSmuFeaturesLow,	PPSMC_MSG_GetEnabledSmuFeaturesLow),
	MSG_MAP(GetEnabledSmuFeaturesHigh,	PPSMC_MSG_GetEnabledSmuFeaturesHigh),
	MSG_MAP(SetWorkloadMask,		PPSMC_MSG_SetWorkloadMask),
	MSG_MAP(SetPptLimit,			PPSMC_MSG_SetPptLimit),
	MSG_MAP(SetDriverDramAddrHigh,		PPSMC_MSG_SetDriverDramAddrHigh),
	MSG_MAP(SetDriverDramAddrLow,		PPSMC_MSG_SetDriverDramAddrLow),
	MSG_MAP(SetToolsDramAddrHigh,		PPSMC_MSG_SetToolsDramAddrHigh),
	MSG_MAP(SetToolsDramAddrLow,		PPSMC_MSG_SetToolsDramAddrLow),
	MSG_MAP(TransferTableSmu2Dram,		PPSMC_MSG_TransferTableSmu2Dram),
	MSG_MAP(TransferTableDram2Smu,		PPSMC_MSG_TransferTableDram2Smu),
	MSG_MAP(UseDefaultPPTable,		PPSMC_MSG_UseDefaultPPTable),
	MSG_MAP(UseBackupPPTable,		PPSMC_MSG_UseBackupPPTable),
	MSG_MAP(RunBtc,				PPSMC_MSG_RunBtc),
	MSG_MAP(RequestI2CBus,			PPSMC_MSG_RequestI2CBus),
	MSG_MAP(ReleaseI2CBus,			PPSMC_MSG_ReleaseI2CBus),
	MSG_MAP(SetFloorSocVoltage,		PPSMC_MSG_SetFloorSocVoltage),
	MSG_MAP(SoftReset,			PPSMC_MSG_SoftReset),
	MSG_MAP(StartBacoMonitor,		PPSMC_MSG_StartBacoMonitor),
	MSG_MAP(CancelBacoMonitor,		PPSMC_MSG_CancelBacoMonitor),
	MSG_MAP(EnterBaco,			PPSMC_MSG_EnterBaco),
	MSG_MAP(SetSoftMinByFreq,		PPSMC_MSG_SetSoftMinByFreq),
	MSG_MAP(SetSoftMaxByFreq,		PPSMC_MSG_SetSoftMaxByFreq),
	MSG_MAP(SetHardMinByFreq,		PPSMC_MSG_SetHardMinByFreq),
	MSG_MAP(SetHardMaxByFreq,		PPSMC_MSG_SetHardMaxByFreq),
	MSG_MAP(GetMinDpmFreq,			PPSMC_MSG_GetMinDpmFreq),
	MSG_MAP(GetMaxDpmFreq,			PPSMC_MSG_GetMaxDpmFreq),
	MSG_MAP(GetDpmFreqByIndex,		PPSMC_MSG_GetDpmFreqByIndex),
	MSG_MAP(GetDpmClockFreq,		PPSMC_MSG_GetDpmClockFreq),
	MSG_MAP(GetSsVoltageByDpm,		PPSMC_MSG_GetSsVoltageByDpm),
	MSG_MAP(SetMemoryChannelConfig,		PPSMC_MSG_SetMemoryChannelConfig),
	MSG_MAP(SetGeminiMode,			PPSMC_MSG_SetGeminiMode),
	MSG_MAP(SetGeminiApertureHigh,		PPSMC_MSG_SetGeminiApertureHigh),
	MSG_MAP(SetGeminiApertureLow,		PPSMC_MSG_SetGeminiApertureLow),
	MSG_MAP(SetMinLinkDpmByIndex,		PPSMC_MSG_SetMinLinkDpmByIndex),
	MSG_MAP(OverridePcieParameters,		PPSMC_MSG_OverridePcieParameters),
	MSG_MAP(OverDriveSetPercentage,		PPSMC_MSG_OverDriveSetPercentage),
	MSG_MAP(SetMinDeepSleepDcefclk,		PPSMC_MSG_SetMinDeepSleepDcefclk),
	MSG_MAP(ReenableAcDcInterrupt,		PPSMC_MSG_ReenableAcDcInterrupt),
	MSG_MAP(NotifyPowerSource,		PPSMC_MSG_NotifyPowerSource),
	MSG_MAP(SetUclkFastSwitch,		PPSMC_MSG_SetUclkFastSwitch),
	MSG_MAP(SetUclkDownHyst,		PPSMC_MSG_SetUclkDownHyst),
	MSG_MAP(GetCurrentRpm,			PPSMC_MSG_GetCurrentRpm),
	MSG_MAP(SetVideoFps,			PPSMC_MSG_SetVideoFps),
	MSG_MAP(SetTjMax,			PPSMC_MSG_SetTjMax),
	MSG_MAP(SetFanTemperatureTarget,	PPSMC_MSG_SetFanTemperatureTarget),
	MSG_MAP(PrepareMp1ForUnload,		PPSMC_MSG_PrepareMp1ForUnload),
	MSG_MAP(DramLogSetDramAddrHigh,		PPSMC_MSG_DramLogSetDramAddrHigh),
	MSG_MAP(DramLogSetDramAddrLow,		PPSMC_MSG_DramLogSetDramAddrLow),
	MSG_MAP(DramLogSetDramSize,		PPSMC_MSG_DramLogSetDramSize),
	MSG_MAP(SetFanMaxRpm,			PPSMC_MSG_SetFanMaxRpm),
	MSG_MAP(SetFanMinPwm,			PPSMC_MSG_SetFanMinPwm),
	MSG_MAP(ConfigureGfxDidt,		PPSMC_MSG_ConfigureGfxDidt),
	MSG_MAP(NumOfDisplays,			PPSMC_MSG_NumOfDisplays),
	MSG_MAP(RemoveMargins,			PPSMC_MSG_RemoveMargins),
	MSG_MAP(ReadSerialNumTop32,		PPSMC_MSG_ReadSerialNumTop32),
	MSG_MAP(ReadSerialNumBottom32,		PPSMC_MSG_ReadSerialNumBottom32),
	MSG_MAP(SetSystemVirtualDramAddrHigh,	PPSMC_MSG_SetSystemVirtualDramAddrHigh),
	MSG_MAP(SetSystemVirtualDramAddrLow,	PPSMC_MSG_SetSystemVirtualDramAddrLow),
	MSG_MAP(WaflTest,			PPSMC_MSG_WaflTest),
	MSG_MAP(SetFclkGfxClkRatio,		PPSMC_MSG_SetFclkGfxClkRatio),
	MSG_MAP(AllowGfxOff,			PPSMC_MSG_AllowGfxOff),
	MSG_MAP(DisallowGfxOff,			PPSMC_MSG_DisallowGfxOff),
	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit),
	MSG_MAP(GetDcModeMaxDpmFreq,		PPSMC_MSG_GetDcModeMaxDpmFreq),
	MSG_MAP(GetDebugData,			PPSMC_MSG_GetDebugData),
	MSG_MAP(SetXgmiMode,			PPSMC_MSG_SetXgmiMode),
	MSG_MAP(RunAfllBtc,			PPSMC_MSG_RunAfllBtc),
	MSG_MAP(ExitBaco,			PPSMC_MSG_ExitBaco),
	MSG_MAP(PrepareMp1ForReset,		PPSMC_MSG_PrepareMp1ForReset),
	MSG_MAP(PrepareMp1ForShutdown,		PPSMC_MSG_PrepareMp1ForShutdown),
	MSG_MAP(SetMGpuFanBoostLimitRpm,	PPSMC_MSG_SetMGpuFanBoostLimitRpm),
	MSG_MAP(GetAVFSVoltageByDpm,		PPSMC_MSG_GetAVFSVoltageByDpm),
};

static int vega20_get_smu_msg_index(struct smu_context *smc, uint32_t index)
{
	if (index > SMU_MSG_MAX_COUNT || index > PPSMC_Message_Count)
		return -EINVAL;
	return vega20_message_map[index];

}

static int vega20_allocate_dpm_context(struct smu_context *smu)
{
	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;

	smu_dpm->dpm_context = kzalloc(sizeof(struct vega20_dpm_table),
				       GFP_KERNEL);
	if (!smu_dpm->dpm_context)
		return -ENOMEM;

	smu_dpm->dpm_context_size = sizeof(struct vega20_dpm_table);

	return 0;
}

static int vega20_store_powerplay_table(struct smu_context *smu)
{
	ATOM_Vega20_POWERPLAYTABLE *powerplay_table = NULL;
	struct smu_table_context *table_context = &smu->smu_table;

	if (!table_context->power_play_table)
		return -EINVAL;

	powerplay_table = table_context->power_play_table;

	memcpy(table_context->driver_pptable, &powerplay_table->smcPPTable,
	       sizeof(PPTable_t));

	return 0;
}

static int vega20_append_powerplay_table(struct smu_context *smu)
{
	struct smu_table_context *table_context = &smu->smu_table;
	PPTable_t *smc_pptable = table_context->driver_pptable;
	struct atom_smc_dpm_info_v4_4 *smc_dpm_table;
	int index, i, ret;

	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
					   smc_dpm_info);

	ret = smu_get_atom_data_table(smu, index, NULL, NULL, NULL,
				      (uint8_t **)&smc_dpm_table);
	if (ret)
		return ret;

	smc_pptable->MaxVoltageStepGfx = smc_dpm_table->maxvoltagestepgfx;
	smc_pptable->MaxVoltageStepSoc = smc_dpm_table->maxvoltagestepsoc;

	smc_pptable->VddGfxVrMapping = smc_dpm_table->vddgfxvrmapping;
	smc_pptable->VddSocVrMapping = smc_dpm_table->vddsocvrmapping;
	smc_pptable->VddMem0VrMapping = smc_dpm_table->vddmem0vrmapping;
	smc_pptable->VddMem1VrMapping = smc_dpm_table->vddmem1vrmapping;

	smc_pptable->GfxUlvPhaseSheddingMask = smc_dpm_table->gfxulvphasesheddingmask;
	smc_pptable->SocUlvPhaseSheddingMask = smc_dpm_table->soculvphasesheddingmask;
	smc_pptable->ExternalSensorPresent = smc_dpm_table->externalsensorpresent;

	smc_pptable->GfxMaxCurrent = smc_dpm_table->gfxmaxcurrent;
	smc_pptable->GfxOffset = smc_dpm_table->gfxoffset;
	smc_pptable->Padding_TelemetryGfx = smc_dpm_table->padding_telemetrygfx;

	smc_pptable->SocMaxCurrent = smc_dpm_table->socmaxcurrent;
	smc_pptable->SocOffset = smc_dpm_table->socoffset;
	smc_pptable->Padding_TelemetrySoc = smc_dpm_table->padding_telemetrysoc;

	smc_pptable->Mem0MaxCurrent = smc_dpm_table->mem0maxcurrent;
	smc_pptable->Mem0Offset = smc_dpm_table->mem0offset;
	smc_pptable->Padding_TelemetryMem0 = smc_dpm_table->padding_telemetrymem0;

	smc_pptable->Mem1MaxCurrent = smc_dpm_table->mem1maxcurrent;
	smc_pptable->Mem1Offset = smc_dpm_table->mem1offset;
	smc_pptable->Padding_TelemetryMem1 = smc_dpm_table->padding_telemetrymem1;

	smc_pptable->AcDcGpio = smc_dpm_table->acdcgpio;
	smc_pptable->AcDcPolarity = smc_dpm_table->acdcpolarity;
	smc_pptable->VR0HotGpio = smc_dpm_table->vr0hotgpio;
	smc_pptable->VR0HotPolarity = smc_dpm_table->vr0hotpolarity;

	smc_pptable->VR1HotGpio = smc_dpm_table->vr1hotgpio;
	smc_pptable->VR1HotPolarity = smc_dpm_table->vr1hotpolarity;
	smc_pptable->Padding1 = smc_dpm_table->padding1;
	smc_pptable->Padding2 = smc_dpm_table->padding2;

	smc_pptable->LedPin0 = smc_dpm_table->ledpin0;
	smc_pptable->LedPin1 = smc_dpm_table->ledpin1;
	smc_pptable->LedPin2 = smc_dpm_table->ledpin2;

	smc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table->pllgfxclkspreadenabled;
	smc_pptable->PllGfxclkSpreadPercent = smc_dpm_table->pllgfxclkspreadpercent;
	smc_pptable->PllGfxclkSpreadFreq = smc_dpm_table->pllgfxclkspreadfreq;

	smc_pptable->UclkSpreadEnabled = 0;
	smc_pptable->UclkSpreadPercent = smc_dpm_table->uclkspreadpercent;
	smc_pptable->UclkSpreadFreq = smc_dpm_table->uclkspreadfreq;

	smc_pptable->FclkSpreadEnabled = smc_dpm_table->fclkspreadenabled;
	smc_pptable->FclkSpreadPercent = smc_dpm_table->fclkspreadpercent;
	smc_pptable->FclkSpreadFreq = smc_dpm_table->fclkspreadfreq;

	smc_pptable->FllGfxclkSpreadEnabled = smc_dpm_table->fllgfxclkspreadenabled;
	smc_pptable->FllGfxclkSpreadPercent = smc_dpm_table->fllgfxclkspreadpercent;
	smc_pptable->FllGfxclkSpreadFreq = smc_dpm_table->fllgfxclkspreadfreq;

	for (i = 0; i < I2C_CONTROLLER_NAME_COUNT; i++) {
		smc_pptable->I2cControllers[i].Enabled =
			smc_dpm_table->i2ccontrollers[i].enabled;
		smc_pptable->I2cControllers[i].SlaveAddress =
			smc_dpm_table->i2ccontrollers[i].slaveaddress;
		smc_pptable->I2cControllers[i].ControllerPort =
			smc_dpm_table->i2ccontrollers[i].controllerport;
		smc_pptable->I2cControllers[i].ThermalThrottler =
			smc_dpm_table->i2ccontrollers[i].thermalthrottler;
		smc_pptable->I2cControllers[i].I2cProtocol =
			smc_dpm_table->i2ccontrollers[i].i2cprotocol;
		smc_pptable->I2cControllers[i].I2cSpeed =
			smc_dpm_table->i2ccontrollers[i].i2cspeed;
	}

	return 0;
}

static int vega20_check_powerplay_table(struct smu_context *smu)
{
	ATOM_Vega20_POWERPLAYTABLE *powerplay_table = NULL;
	struct smu_table_context *table_context = &smu->smu_table;

	powerplay_table = table_context->power_play_table;

	if (powerplay_table->sHeader.format_revision < ATOM_VEGA20_TABLE_REVISION_VEGA20) {
		pr_err("Unsupported PPTable format!");
		return -EINVAL;
	}

	if (!powerplay_table->sHeader.structuresize) {
		pr_err("Invalid PowerPlay Table!");
		return -EINVAL;
	}

	return 0;
}

static int vega20_run_btc_afll(struct smu_context *smu)
{
	return smu_send_smc_msg(smu, SMU_MSG_RunAfllBtc);
}

static const struct pptable_funcs vega20_ppt_funcs = {
	.alloc_dpm_context = vega20_allocate_dpm_context,
	.store_powerplay_table = vega20_store_powerplay_table,
	.check_powerplay_table = vega20_check_powerplay_table,
	.append_powerplay_table = vega20_append_powerplay_table,
	.get_smu_msg_index = vega20_get_smu_msg_index,
	.run_afll_btc = vega20_run_btc_afll,
};

void vega20_set_ppt_funcs(struct smu_context *smu)
{
	smu->ppt_funcs = &vega20_ppt_funcs;
}