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 2015-11-27 14:09:53 -05:00 committed by Alex Deucher
parent ea617bc9f9
commit 601038142f
4 changed files with 892 additions and 1 deletions

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@ -8,7 +8,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
tonga_processpptables.o ppatomctrl.o \ tonga_processpptables.o ppatomctrl.o \
tonga_hwmgr.o pppcielanes.o tonga_thermal.o\ tonga_hwmgr.o pppcielanes.o tonga_thermal.o\
fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \ fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \
fiji_clockpowergating.o fiji_clockpowergating.o fiji_thermal.o
AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))

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@ -50,8 +50,11 @@
#include "pp_debug.h" #include "pp_debug.h"
#include "pp_acpi.h" #include "pp_acpi.h"
#include "amd_pcie_helpers.h" #include "amd_pcie_helpers.h"
#include "cgs_linux.h"
#include "ppinterrupt.h"
#include "fiji_clockpowergating.h" #include "fiji_clockpowergating.h"
#include "fiji_thermal.h"
#define VOLTAGE_SCALE 4 #define VOLTAGE_SCALE 4
#define SMC_RAM_END 0x40000 #define SMC_RAM_END 0x40000
@ -694,6 +697,31 @@ static int fiji_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_FanSpeedInTableIsRPM);
if (table_info->cac_dtp_table->usDefaultTargetOperatingTemp &&
hwmgr->thermal_controller.
advanceFanControlParameters.ucFanControlMode) {
hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM =
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM;
hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM =
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM;
hwmgr->dyn_state.cac_dtp_table->usOperatingTempMinLimit =
table_info->cac_dtp_table->usOperatingTempMinLimit;
hwmgr->dyn_state.cac_dtp_table->usOperatingTempMaxLimit =
table_info->cac_dtp_table->usOperatingTempMaxLimit;
hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp =
table_info->cac_dtp_table->usDefaultTargetOperatingTemp;
hwmgr->dyn_state.cac_dtp_table->usOperatingTempStep =
table_info->cac_dtp_table->usOperatingTempStep;
hwmgr->dyn_state.cac_dtp_table->usTargetOperatingTemp =
table_info->cac_dtp_table->usTargetOperatingTemp;
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ODFuzzyFanControlSupport);
}
sys_info.size = sizeof(struct cgs_system_info); sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO; sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO;
result = cgs_query_system_info(hwmgr->device, &sys_info); result = cgs_query_system_info(hwmgr->device, &sys_info);
@ -4915,6 +4943,108 @@ int fiji_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
return fiji_program_display_gap(hwmgr); return fiji_program_display_gap(hwmgr);
} }
static int fiji_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr,
uint16_t us_max_fan_pwm)
{
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
if (phm_is_hw_access_blocked(hwmgr))
return 0;
return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
}
static int fiji_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr,
uint16_t us_max_fan_rpm)
{
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;
if (phm_is_hw_access_blocked(hwmgr))
return 0;
return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
}
int fiji_dpm_set_interrupt_state(void *private_data,
unsigned src_id, unsigned type,
int enabled)
{
uint32_t cg_thermal_int;
struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr;
if (hwmgr == NULL)
return -EINVAL;
switch (type) {
case AMD_THERMAL_IRQ_LOW_TO_HIGH:
if (enabled) {
cg_thermal_int = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT);
cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
} else {
cg_thermal_int = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT);
cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
}
break;
case AMD_THERMAL_IRQ_HIGH_TO_LOW:
if (enabled) {
cg_thermal_int = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT);
cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
} else {
cg_thermal_int = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT);
cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
}
break;
default:
break;
}
return 0;
}
int fiji_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
const void *thermal_interrupt_info)
{
int result;
const struct pp_interrupt_registration_info *info =
(const struct pp_interrupt_registration_info *)
thermal_interrupt_info;
if (info == NULL)
return -EINVAL;
result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST,
fiji_dpm_set_interrupt_state,
info->call_back, info->context);
if (result)
return -EINVAL;
result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST,
fiji_dpm_set_interrupt_state,
info->call_back, info->context);
if (result)
return -EINVAL;
return 0;
}
static const struct pp_hwmgr_func fiji_hwmgr_funcs = { static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
.backend_init = &fiji_hwmgr_backend_init, .backend_init = &fiji_hwmgr_backend_init,
.backend_fini = &tonga_hwmgr_backend_fini, .backend_fini = &tonga_hwmgr_backend_fini,
@ -4936,6 +5066,18 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
.notify_smc_display_config_after_ps_adjustment = .notify_smc_display_config_after_ps_adjustment =
&tonga_notify_smc_display_config_after_ps_adjustment, &tonga_notify_smc_display_config_after_ps_adjustment,
.display_config_changed = &fiji_display_configuration_changed_task, .display_config_changed = &fiji_display_configuration_changed_task,
.set_max_fan_pwm_output = fiji_set_max_fan_pwm_output,
.set_max_fan_rpm_output = fiji_set_max_fan_rpm_output,
.get_temperature = fiji_thermal_get_temperature,
.stop_thermal_controller = fiji_thermal_stop_thermal_controller,
.get_fan_speed_info = fiji_fan_ctrl_get_fan_speed_info,
.get_fan_speed_percent = fiji_fan_ctrl_get_fan_speed_percent,
.set_fan_speed_percent = fiji_fan_ctrl_set_fan_speed_percent,
.reset_fan_speed_to_default = fiji_fan_ctrl_reset_fan_speed_to_default,
.get_fan_speed_rpm = fiji_fan_ctrl_get_fan_speed_rpm,
.set_fan_speed_rpm = fiji_fan_ctrl_set_fan_speed_rpm,
.uninitialize_thermal_controller = fiji_thermal_ctrl_uninitialize_thermal_controller,
.register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt,
}; };
int fiji_hwmgr_init(struct pp_hwmgr *hwmgr) int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
@ -4950,5 +5092,6 @@ int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
hwmgr->backend = data; hwmgr->backend = data;
hwmgr->hwmgr_func = &fiji_hwmgr_funcs; hwmgr->hwmgr_func = &fiji_hwmgr_funcs;
hwmgr->pptable_func = &tonga_pptable_funcs; hwmgr->pptable_func = &tonga_pptable_funcs;
pp_fiji_thermal_initialize(hwmgr);
return ret; return ret;
} }

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@ -0,0 +1,687 @@
/*
* 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 "fiji_thermal.h"
#include "fiji_hwmgr.h"
#include "fiji_smumgr.h"
#include "fiji_ppsmc.h"
#include "smu/smu_7_1_3_d.h"
#include "smu/smu_7_1_3_sh_mask.h"
int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
struct phm_fan_speed_info *fan_speed_info)
{
if (hwmgr->thermal_controller.fanInfo.bNoFan)
return 0;
fan_speed_info->supports_percent_read = true;
fan_speed_info->supports_percent_write = true;
fan_speed_info->min_percent = 0;
fan_speed_info->max_percent = 100;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
fan_speed_info->supports_rpm_read = true;
fan_speed_info->supports_rpm_write = true;
fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
} else {
fan_speed_info->min_rpm = 0;
fan_speed_info->max_rpm = 0;
}
return 0;
}
int fiji_fan_ctrl_get_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;
duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL1, FMAX_DUTY100);
duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_THERMAL_STATUS, FDO_PWM_DUTY);
if (duty100 == 0)
return -EINVAL;
tmp64 = (uint64_t)duty * 100;
do_div(tmp64, duty100);
*speed = (uint32_t)tmp64;
if (*speed > 100)
*speed = 100;
return 0;
}
int fiji_fan_ctrl_get_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))
return 0;
tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_TACH_STATUS, TACH_PERIOD);
if (tach_period == 0)
return -EINVAL;
crystal_clock_freq = tonga_get_xclk(hwmgr);
*speed = 60 * crystal_clock_freq * 10000/ tach_period;
return 0;
}
/**
* Set Fan Speed Control to static mode, so that the user can decide what speed to use.
* @param hwmgr the address of the powerplay hardware manager.
* mode the fan control mode, 0 default, 1 by percent, 5, by RPM
* @exception Should always succeed.
*/
int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
{
if (hwmgr->fan_ctrl_is_in_default_mode) {
hwmgr->fan_ctrl_default_mode =
PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, FDO_PWM_MODE);
hwmgr->tmin =
PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, TMIN);
hwmgr->fan_ctrl_is_in_default_mode = false;
}
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, TMIN, 0);
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, FDO_PWM_MODE, mode);
return 0;
}
/**
* Reset Fan Speed Control to default mode.
* @param hwmgr the address of the powerplay hardware manager.
* @exception Should always succeed.
*/
int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
{
if (hwmgr->fan_ctrl_is_in_default_mode) {
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
CG_FDO_CTRL2, TMIN, hwmgr->tmin);
hwmgr->fan_ctrl_is_in_default_mode = true;
}
return 0;
}
int fiji_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
{
int result;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_FanSpeedInTableIsRPM))
hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanRPM);
else
hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr,
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanPWM);
} else {
cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
}
if (!result && hwmgr->thermal_controller.
advanceFanControlParameters.ucTargetTemperature)
result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SetFanTemperatureTarget,
hwmgr->thermal_controller.
advanceFanControlParameters.ucTargetTemperature);
return result;
}
int fiji_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
{
return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
}
/**
* Set Fan Speed in percent.
* @param hwmgr the address of the powerplay hardware manager.
* @param speed is the percentage value (0% - 100%) to be set.
* @exception Fails is the 100% setting appears to be 0.
*/
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;
}

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@ -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