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drm/amd/powerplay: Add thermal protection support for Fiji.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
This commit is contained in:
Eric Huang
Alex Deucher
parent
ea617bc9f9
commit
601038142f
@ -8,7 +8,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
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tonga_processpptables.o ppatomctrl.o \
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tonga_hwmgr.o pppcielanes.o tonga_thermal.o\
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fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \
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fiji_clockpowergating.o
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fiji_clockpowergating.o fiji_thermal.o
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AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
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@ -50,8 +50,11 @@
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#include "pp_debug.h"
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#include "pp_acpi.h"
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#include "amd_pcie_helpers.h"
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#include "cgs_linux.h"
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#include "ppinterrupt.h"
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#include "fiji_clockpowergating.h"
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#include "fiji_thermal.h"
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#define VOLTAGE_SCALE 4
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#define SMC_RAM_END 0x40000
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@ -694,6 +697,31 @@ static int fiji_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
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hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
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hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
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phm_cap_set(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_FanSpeedInTableIsRPM);
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if (table_info->cac_dtp_table->usDefaultTargetOperatingTemp &&
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hwmgr->thermal_controller.
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advanceFanControlParameters.ucFanControlMode) {
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hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM =
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hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM;
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hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM =
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hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM;
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hwmgr->dyn_state.cac_dtp_table->usOperatingTempMinLimit =
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table_info->cac_dtp_table->usOperatingTempMinLimit;
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hwmgr->dyn_state.cac_dtp_table->usOperatingTempMaxLimit =
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table_info->cac_dtp_table->usOperatingTempMaxLimit;
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hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp =
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table_info->cac_dtp_table->usDefaultTargetOperatingTemp;
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hwmgr->dyn_state.cac_dtp_table->usOperatingTempStep =
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table_info->cac_dtp_table->usOperatingTempStep;
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hwmgr->dyn_state.cac_dtp_table->usTargetOperatingTemp =
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table_info->cac_dtp_table->usTargetOperatingTemp;
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phm_cap_set(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_ODFuzzyFanControlSupport);
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}
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sys_info.size = sizeof(struct cgs_system_info);
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sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO;
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result = cgs_query_system_info(hwmgr->device, &sys_info);
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@ -4915,6 +4943,108 @@ int fiji_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
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return fiji_program_display_gap(hwmgr);
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}
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static int fiji_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr,
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uint16_t us_max_fan_pwm)
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{
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hwmgr->thermal_controller.
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advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
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if (phm_is_hw_access_blocked(hwmgr))
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return 0;
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
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}
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static int fiji_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr,
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uint16_t us_max_fan_rpm)
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{
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hwmgr->thermal_controller.
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advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;
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if (phm_is_hw_access_blocked(hwmgr))
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return 0;
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
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}
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int fiji_dpm_set_interrupt_state(void *private_data,
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unsigned src_id, unsigned type,
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int enabled)
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{
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uint32_t cg_thermal_int;
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struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr;
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if (hwmgr == NULL)
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return -EINVAL;
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switch (type) {
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case AMD_THERMAL_IRQ_LOW_TO_HIGH:
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if (enabled) {
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cg_thermal_int = cgs_read_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT);
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cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
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cgs_write_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
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} else {
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cg_thermal_int = cgs_read_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT);
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cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
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cgs_write_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
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}
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break;
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case AMD_THERMAL_IRQ_HIGH_TO_LOW:
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if (enabled) {
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cg_thermal_int = cgs_read_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT);
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cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
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cgs_write_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
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} else {
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cg_thermal_int = cgs_read_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT);
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cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
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cgs_write_ind_register(hwmgr->device,
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CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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int fiji_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
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const void *thermal_interrupt_info)
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{
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int result;
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const struct pp_interrupt_registration_info *info =
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(const struct pp_interrupt_registration_info *)
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thermal_interrupt_info;
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if (info == NULL)
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return -EINVAL;
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result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST,
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fiji_dpm_set_interrupt_state,
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info->call_back, info->context);
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if (result)
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return -EINVAL;
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result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST,
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fiji_dpm_set_interrupt_state,
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info->call_back, info->context);
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if (result)
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return -EINVAL;
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return 0;
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}
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static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
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.backend_init = &fiji_hwmgr_backend_init,
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.backend_fini = &tonga_hwmgr_backend_fini,
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@ -4936,6 +5066,18 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
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.notify_smc_display_config_after_ps_adjustment =
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&tonga_notify_smc_display_config_after_ps_adjustment,
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.display_config_changed = &fiji_display_configuration_changed_task,
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.set_max_fan_pwm_output = fiji_set_max_fan_pwm_output,
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.set_max_fan_rpm_output = fiji_set_max_fan_rpm_output,
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.get_temperature = fiji_thermal_get_temperature,
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.stop_thermal_controller = fiji_thermal_stop_thermal_controller,
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.get_fan_speed_info = fiji_fan_ctrl_get_fan_speed_info,
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.get_fan_speed_percent = fiji_fan_ctrl_get_fan_speed_percent,
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.set_fan_speed_percent = fiji_fan_ctrl_set_fan_speed_percent,
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.reset_fan_speed_to_default = fiji_fan_ctrl_reset_fan_speed_to_default,
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.get_fan_speed_rpm = fiji_fan_ctrl_get_fan_speed_rpm,
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.set_fan_speed_rpm = fiji_fan_ctrl_set_fan_speed_rpm,
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.uninitialize_thermal_controller = fiji_thermal_ctrl_uninitialize_thermal_controller,
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.register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt,
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};
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int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
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@ -4950,5 +5092,6 @@ int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
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hwmgr->backend = data;
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hwmgr->hwmgr_func = &fiji_hwmgr_funcs;
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hwmgr->pptable_func = &tonga_pptable_funcs;
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pp_fiji_thermal_initialize(hwmgr);
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return ret;
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}
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687
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
Normal file
687
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.c
Normal file
@ -0,0 +1,687 @@
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/*
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* Copyright 2015 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "fiji_thermal.h"
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#include "fiji_hwmgr.h"
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#include "fiji_smumgr.h"
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#include "fiji_ppsmc.h"
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#include "smu/smu_7_1_3_d.h"
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#include "smu/smu_7_1_3_sh_mask.h"
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int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
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struct phm_fan_speed_info *fan_speed_info)
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{
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if (hwmgr->thermal_controller.fanInfo.bNoFan)
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return 0;
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fan_speed_info->supports_percent_read = true;
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fan_speed_info->supports_percent_write = true;
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fan_speed_info->min_percent = 0;
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fan_speed_info->max_percent = 100;
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
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hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
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fan_speed_info->supports_rpm_read = true;
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fan_speed_info->supports_rpm_write = true;
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fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
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fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
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} else {
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fan_speed_info->min_rpm = 0;
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fan_speed_info->max_rpm = 0;
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}
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return 0;
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}
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int fiji_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
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uint32_t *speed)
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{
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uint32_t duty100;
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uint32_t duty;
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uint64_t tmp64;
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if (hwmgr->thermal_controller.fanInfo.bNoFan)
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return 0;
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duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL1, FMAX_DUTY100);
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duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_THERMAL_STATUS, FDO_PWM_DUTY);
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if (duty100 == 0)
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return -EINVAL;
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tmp64 = (uint64_t)duty * 100;
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do_div(tmp64, duty100);
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*speed = (uint32_t)tmp64;
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if (*speed > 100)
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*speed = 100;
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return 0;
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}
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int fiji_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
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{
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uint32_t tach_period;
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uint32_t crystal_clock_freq;
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if (hwmgr->thermal_controller.fanInfo.bNoFan ||
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(hwmgr->thermal_controller.fanInfo.
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ucTachometerPulsesPerRevolution == 0))
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return 0;
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tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_TACH_STATUS, TACH_PERIOD);
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if (tach_period == 0)
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return -EINVAL;
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crystal_clock_freq = tonga_get_xclk(hwmgr);
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*speed = 60 * crystal_clock_freq * 10000/ tach_period;
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return 0;
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}
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/**
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* Set Fan Speed Control to static mode, so that the user can decide what speed to use.
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* @param hwmgr the address of the powerplay hardware manager.
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* mode the fan control mode, 0 default, 1 by percent, 5, by RPM
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* @exception Should always succeed.
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*/
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int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
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{
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if (hwmgr->fan_ctrl_is_in_default_mode) {
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hwmgr->fan_ctrl_default_mode =
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PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, FDO_PWM_MODE);
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hwmgr->tmin =
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PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, TMIN);
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hwmgr->fan_ctrl_is_in_default_mode = false;
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}
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PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, TMIN, 0);
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PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, FDO_PWM_MODE, mode);
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return 0;
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}
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/**
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* Reset Fan Speed Control to default mode.
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* @param hwmgr the address of the powerplay hardware manager.
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* @exception Should always succeed.
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*/
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int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
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{
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if (hwmgr->fan_ctrl_is_in_default_mode) {
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PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
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PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
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CG_FDO_CTRL2, TMIN, hwmgr->tmin);
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hwmgr->fan_ctrl_is_in_default_mode = true;
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}
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return 0;
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}
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int fiji_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
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{
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int result;
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
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cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
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result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_FanSpeedInTableIsRPM))
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hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
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hwmgr->thermal_controller.
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advanceFanControlParameters.usMaxFanRPM);
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else
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hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr,
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hwmgr->thermal_controller.
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advanceFanControlParameters.usMaxFanPWM);
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} else {
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cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
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result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
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}
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if (!result && hwmgr->thermal_controller.
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advanceFanControlParameters.ucTargetTemperature)
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result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_SetFanTemperatureTarget,
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hwmgr->thermal_controller.
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advanceFanControlParameters.ucTargetTemperature);
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return result;
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}
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int fiji_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
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{
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return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
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}
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/**
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* Set Fan Speed in percent.
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* @param hwmgr the address of the powerplay hardware manager.
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* @param speed is the percentage value (0% - 100%) to be set.
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* @exception Fails is the 100% setting appears to be 0.
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*/
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int fiji_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
|
||||
uint32_t speed)
|
||||
{
|
||||
uint32_t duty100;
|
||||
uint32_t duty;
|
||||
uint64_t tmp64;
|
||||
|
||||
if (hwmgr->thermal_controller.fanInfo.bNoFan)
|
||||
return 0;
|
||||
|
||||
if (speed > 100)
|
||||
speed = 100;
|
||||
|
||||
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl))
|
||||
fiji_fan_ctrl_stop_smc_fan_control(hwmgr);
|
||||
|
||||
duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_FDO_CTRL1, FMAX_DUTY100);
|
||||
|
||||
if (duty100 == 0)
|
||||
return -EINVAL;
|
||||
|
||||
tmp64 = (uint64_t)speed * 100;
|
||||
do_div(tmp64, duty100);
|
||||
duty = (uint32_t)tmp64;
|
||||
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);
|
||||
|
||||
return fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
|
||||
}
|
||||
|
||||
/**
|
||||
* Reset Fan Speed to default.
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @exception Always succeeds.
|
||||
*/
|
||||
int fiji_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
int result;
|
||||
|
||||
if (hwmgr->thermal_controller.fanInfo.bNoFan)
|
||||
return 0;
|
||||
|
||||
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl)) {
|
||||
result = fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
|
||||
if (!result)
|
||||
result = fiji_fan_ctrl_start_smc_fan_control(hwmgr);
|
||||
} else
|
||||
result = fiji_fan_ctrl_set_default_mode(hwmgr);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Fan Speed in RPM.
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param speed is the percentage value (min - max) to be set.
|
||||
* @exception Fails is the speed not lie between min and max.
|
||||
*/
|
||||
int fiji_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
|
||||
{
|
||||
uint32_t tach_period;
|
||||
uint32_t crystal_clock_freq;
|
||||
|
||||
if (hwmgr->thermal_controller.fanInfo.bNoFan ||
|
||||
(hwmgr->thermal_controller.fanInfo.
|
||||
ucTachometerPulsesPerRevolution == 0) ||
|
||||
(speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
|
||||
(speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
|
||||
return 0;
|
||||
|
||||
crystal_clock_freq = tonga_get_xclk(hwmgr);
|
||||
|
||||
tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
|
||||
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_TACH_STATUS, TACH_PERIOD, tach_period);
|
||||
|
||||
return fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads the remote temperature from the SIslands thermal controller.
|
||||
*
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
*/
|
||||
int fiji_thermal_get_temperature(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
int temp;
|
||||
|
||||
temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_MULT_THERMAL_STATUS, CTF_TEMP);
|
||||
|
||||
/* Bit 9 means the reading is lower than the lowest usable value. */
|
||||
if (temp & 0x200)
|
||||
temp = FIJI_THERMAL_MAXIMUM_TEMP_READING;
|
||||
else
|
||||
temp = temp & 0x1ff;
|
||||
|
||||
temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
|
||||
|
||||
return temp;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the requested temperature range for high and low alert signals
|
||||
*
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
* @param range Temperature range to be programmed for high and low alert signals
|
||||
* @exception PP_Result_BadInput if the input data is not valid.
|
||||
*/
|
||||
static int fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
|
||||
uint32_t low_temp, uint32_t high_temp)
|
||||
{
|
||||
uint32_t low = FIJI_THERMAL_MINIMUM_ALERT_TEMP *
|
||||
PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
|
||||
uint32_t high = FIJI_THERMAL_MAXIMUM_ALERT_TEMP *
|
||||
PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
|
||||
|
||||
if (low < low_temp)
|
||||
low = low_temp;
|
||||
if (high > high_temp)
|
||||
high = high_temp;
|
||||
|
||||
if (low > high)
|
||||
return -EINVAL;
|
||||
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, DIG_THERM_INTH,
|
||||
(high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, DIG_THERM_INTL,
|
||||
(low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_CTRL, DIG_THERM_DPM,
|
||||
(high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Programs thermal controller one-time setting registers
|
||||
*
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
*/
|
||||
static int fiji_thermal_initialize(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution)
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_TACH_CTRL, EDGE_PER_REV,
|
||||
hwmgr->thermal_controller.fanInfo.
|
||||
ucTachometerPulsesPerRevolution - 1);
|
||||
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Enable thermal alerts on the RV770 thermal controller.
|
||||
*
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
*/
|
||||
static int fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
uint32_t alert;
|
||||
|
||||
alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, THERM_INT_MASK);
|
||||
alert &= ~(FIJI_THERMAL_HIGH_ALERT_MASK | FIJI_THERMAL_LOW_ALERT_MASK);
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, THERM_INT_MASK, alert);
|
||||
|
||||
/* send message to SMU to enable internal thermal interrupts */
|
||||
return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable);
|
||||
}
|
||||
|
||||
/**
|
||||
* Disable thermal alerts on the RV770 thermal controller.
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
*/
|
||||
static int fiji_thermal_disable_alert(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
uint32_t alert;
|
||||
|
||||
alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, THERM_INT_MASK);
|
||||
alert |= (FIJI_THERMAL_HIGH_ALERT_MASK | FIJI_THERMAL_LOW_ALERT_MASK);
|
||||
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_THERMAL_INT, THERM_INT_MASK, alert);
|
||||
|
||||
/* send message to SMU to disable internal thermal interrupts */
|
||||
return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable);
|
||||
}
|
||||
|
||||
/**
|
||||
* Uninitialize the thermal controller.
|
||||
* Currently just disables alerts.
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
*/
|
||||
int fiji_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
int result = fiji_thermal_disable_alert(hwmgr);
|
||||
|
||||
if (hwmgr->thermal_controller.fanInfo.bNoFan)
|
||||
fiji_fan_ctrl_set_default_mode(hwmgr);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set up the fan table to control the fan using the SMC.
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from set temperature range routine
|
||||
*/
|
||||
int tf_fiji_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
|
||||
SMU73_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
|
||||
uint32_t duty100;
|
||||
uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
|
||||
uint16_t fdo_min, slope1, slope2;
|
||||
uint32_t reference_clock;
|
||||
int res;
|
||||
uint64_t tmp64;
|
||||
|
||||
if (data->fan_table_start == 0) {
|
||||
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl);
|
||||
return 0;
|
||||
}
|
||||
|
||||
duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_FDO_CTRL1, FMAX_DUTY100);
|
||||
|
||||
if (duty100 == 0) {
|
||||
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl);
|
||||
return 0;
|
||||
}
|
||||
|
||||
tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.
|
||||
usPWMMin * duty100;
|
||||
do_div(tmp64, 10000);
|
||||
fdo_min = (uint16_t)tmp64;
|
||||
|
||||
t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed -
|
||||
hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
|
||||
t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh -
|
||||
hwmgr->thermal_controller.advanceFanControlParameters.usTMed;
|
||||
|
||||
pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed -
|
||||
hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
|
||||
pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh -
|
||||
hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;
|
||||
|
||||
slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
|
||||
slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
|
||||
|
||||
fan_table.TempMin = cpu_to_be16((50 + hwmgr->
|
||||
thermal_controller.advanceFanControlParameters.usTMin) / 100);
|
||||
fan_table.TempMed = cpu_to_be16((50 + hwmgr->
|
||||
thermal_controller.advanceFanControlParameters.usTMed) / 100);
|
||||
fan_table.TempMax = cpu_to_be16((50 + hwmgr->
|
||||
thermal_controller.advanceFanControlParameters.usTMax) / 100);
|
||||
|
||||
fan_table.Slope1 = cpu_to_be16(slope1);
|
||||
fan_table.Slope2 = cpu_to_be16(slope2);
|
||||
|
||||
fan_table.FdoMin = cpu_to_be16(fdo_min);
|
||||
|
||||
fan_table.HystDown = cpu_to_be16(hwmgr->
|
||||
thermal_controller.advanceFanControlParameters.ucTHyst);
|
||||
|
||||
fan_table.HystUp = cpu_to_be16(1);
|
||||
|
||||
fan_table.HystSlope = cpu_to_be16(1);
|
||||
|
||||
fan_table.TempRespLim = cpu_to_be16(5);
|
||||
|
||||
reference_clock = tonga_get_xclk(hwmgr);
|
||||
|
||||
fan_table.RefreshPeriod = cpu_to_be32((hwmgr->
|
||||
thermal_controller.advanceFanControlParameters.ulCycleDelay *
|
||||
reference_clock) / 1600);
|
||||
|
||||
fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);
|
||||
|
||||
fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(
|
||||
hwmgr->device, CGS_IND_REG__SMC,
|
||||
CG_MULT_THERMAL_CTRL, TEMP_SEL);
|
||||
|
||||
res = fiji_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start,
|
||||
(uint8_t *)&fan_table, (uint32_t)sizeof(fan_table),
|
||||
data->sram_end);
|
||||
|
||||
if (!res && hwmgr->thermal_controller.
|
||||
advanceFanControlParameters.ucMinimumPWMLimit)
|
||||
res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
|
||||
PPSMC_MSG_SetFanMinPwm,
|
||||
hwmgr->thermal_controller.
|
||||
advanceFanControlParameters.ucMinimumPWMLimit);
|
||||
|
||||
if (!res && hwmgr->thermal_controller.
|
||||
advanceFanControlParameters.ulMinFanSCLKAcousticLimit)
|
||||
res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
|
||||
PPSMC_MSG_SetFanSclkTarget,
|
||||
hwmgr->thermal_controller.
|
||||
advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
|
||||
|
||||
if (res)
|
||||
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Start the fan control on the SMC.
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from set temperature range routine
|
||||
*/
|
||||
int tf_fiji_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
/* If the fantable setup has failed we could have disabled
|
||||
* PHM_PlatformCaps_MicrocodeFanControl even after
|
||||
* this function was included in the table.
|
||||
* Make sure that we still think controlling the fan is OK.
|
||||
*/
|
||||
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
|
||||
PHM_PlatformCaps_MicrocodeFanControl)) {
|
||||
fiji_fan_ctrl_start_smc_fan_control(hwmgr);
|
||||
fiji_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set temperature range for high and low alerts
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from set temperature range routine
|
||||
*/
|
||||
int tf_fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;
|
||||
|
||||
if (range == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
return fiji_thermal_set_temperature_range(hwmgr, range->min, range->max);
|
||||
}
|
||||
|
||||
/**
|
||||
* Programs one-time setting registers
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from initialize thermal controller routine
|
||||
*/
|
||||
int tf_fiji_thermal_initialize(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
return fiji_thermal_initialize(hwmgr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Enable high and low alerts
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from enable alert routine
|
||||
*/
|
||||
int tf_fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
return fiji_thermal_enable_alert(hwmgr);
|
||||
}
|
||||
|
||||
/**
|
||||
* Disable high and low alerts
|
||||
* @param hwmgr the address of the powerplay hardware manager.
|
||||
* @param pInput the pointer to input data
|
||||
* @param pOutput the pointer to output data
|
||||
* @param pStorage the pointer to temporary storage
|
||||
* @param Result the last failure code
|
||||
* @return result from disable alert routine
|
||||
*/
|
||||
static int tf_fiji_thermal_disable_alert(struct pp_hwmgr *hwmgr,
|
||||
void *input, void *output, void *storage, int result)
|
||||
{
|
||||
return fiji_thermal_disable_alert(hwmgr);
|
||||
}
|
||||
|
||||
static struct phm_master_table_item
|
||||
fiji_thermal_start_thermal_controller_master_list[] = {
|
||||
{NULL, tf_fiji_thermal_initialize},
|
||||
{NULL, tf_fiji_thermal_set_temperature_range},
|
||||
{NULL, tf_fiji_thermal_enable_alert},
|
||||
/* We should restrict performance levels to low before we halt the SMC.
|
||||
* On the other hand we are still in boot state when we do this
|
||||
* so it would be pointless.
|
||||
* If this assumption changes we have to revisit this table.
|
||||
*/
|
||||
{NULL, tf_fiji_thermal_setup_fan_table},
|
||||
{NULL, tf_fiji_thermal_start_smc_fan_control},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
static struct phm_master_table_header
|
||||
fiji_thermal_start_thermal_controller_master = {
|
||||
0,
|
||||
PHM_MasterTableFlag_None,
|
||||
fiji_thermal_start_thermal_controller_master_list
|
||||
};
|
||||
|
||||
static struct phm_master_table_item
|
||||
fiji_thermal_set_temperature_range_master_list[] = {
|
||||
{NULL, tf_fiji_thermal_disable_alert},
|
||||
{NULL, tf_fiji_thermal_set_temperature_range},
|
||||
{NULL, tf_fiji_thermal_enable_alert},
|
||||
{NULL, NULL}
|
||||
};
|
||||
|
||||
struct phm_master_table_header
|
||||
fiji_thermal_set_temperature_range_master = {
|
||||
0,
|
||||
PHM_MasterTableFlag_None,
|
||||
fiji_thermal_set_temperature_range_master_list
|
||||
};
|
||||
|
||||
int fiji_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
if (!hwmgr->thermal_controller.fanInfo.bNoFan)
|
||||
fiji_fan_ctrl_set_default_mode(hwmgr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes the thermal controller related functions in the Hardware Manager structure.
|
||||
* @param hwmgr The address of the hardware manager.
|
||||
* @exception Any error code from the low-level communication.
|
||||
*/
|
||||
int pp_fiji_thermal_initialize(struct pp_hwmgr *hwmgr)
|
||||
{
|
||||
int result;
|
||||
|
||||
result = phm_construct_table(hwmgr,
|
||||
&fiji_thermal_set_temperature_range_master,
|
||||
&(hwmgr->set_temperature_range));
|
||||
|
||||
if (!result) {
|
||||
result = phm_construct_table(hwmgr,
|
||||
&fiji_thermal_start_thermal_controller_master,
|
||||
&(hwmgr->start_thermal_controller));
|
||||
if (result)
|
||||
phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
|
||||
}
|
||||
|
||||
if (!result)
|
||||
hwmgr->fan_ctrl_is_in_default_mode = true;
|
||||
return result;
|
||||
}
|
||||
|
||||
61
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.h
Normal file
61
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_thermal.h
Normal file
@ -0,0 +1,61 @@
|
||||
/*
|
||||
* Copyright 2015 Advanced Micro Devices, Inc.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef FIJI_THERMAL_H
|
||||
#define FIJI_THERMAL_H
|
||||
|
||||
#include "hwmgr.h"
|
||||
|
||||
#define FIJI_THERMAL_HIGH_ALERT_MASK 0x1
|
||||
#define FIJI_THERMAL_LOW_ALERT_MASK 0x2
|
||||
|
||||
#define FIJI_THERMAL_MINIMUM_TEMP_READING -256
|
||||
#define FIJI_THERMAL_MAXIMUM_TEMP_READING 255
|
||||
|
||||
#define FIJI_THERMAL_MINIMUM_ALERT_TEMP 0
|
||||
#define FIJI_THERMAL_MAXIMUM_ALERT_TEMP 255
|
||||
|
||||
#define FDO_PWM_MODE_STATIC 1
|
||||
#define FDO_PWM_MODE_STATIC_RPM 5
|
||||
|
||||
|
||||
extern int tf_fiji_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);
|
||||
extern int tf_fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);
|
||||
extern int tf_fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);
|
||||
|
||||
extern int fiji_thermal_get_temperature(struct pp_hwmgr *hwmgr);
|
||||
extern int fiji_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr);
|
||||
extern int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info);
|
||||
extern int fiji_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed);
|
||||
extern int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr);
|
||||
extern int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode);
|
||||
extern int fiji_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed);
|
||||
extern int fiji_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr);
|
||||
extern int pp_fiji_thermal_initialize(struct pp_hwmgr *hwmgr);
|
||||
extern int fiji_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr);
|
||||
extern int fiji_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed);
|
||||
extern int fiji_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed);
|
||||
extern uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr);
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user