--- /dev/null
+/*
+ * Copyright 2016 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 "ellesmere_thermal.h"
+#include "ellesmere_hwmgr.h"
+#include "ellesmere_smumgr.h"
+#include "ellesmere_ppsmc.h"
+#include "smu/smu_7_1_3_d.h"
+#include "smu/smu_7_1_3_sh_mask.h"
+
+int ellesmere_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 ellesmere_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 ellesmere_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 ellesmere_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 ellesmere_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 ellesmere_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 ellesmere_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 ellesmere_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))
+ ellesmere_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 ellesmere_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 ellesmere_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 = ellesmere_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
+ if (!result)
+ result = ellesmere_fan_ctrl_start_smc_fan_control(hwmgr);
+ } else
+ result = ellesmere_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 ellesmere_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;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl))
+ ellesmere_fan_ctrl_stop_smc_fan_control(hwmgr);
+
+ 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 ellesmere_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 ellesmere_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 = ELLESMERE_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 ellesmere_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
+ uint32_t low_temp, uint32_t high_temp)
+{
+ uint32_t low = ELLESMERE_THERMAL_MINIMUM_ALERT_TEMP *
+ PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ uint32_t high = ELLESMERE_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 ellesmere_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 ellesmere_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 &= ~(ELLESMERE_THERMAL_HIGH_ALERT_MASK | ELLESMERE_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 ellesmere_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 |= (ELLESMERE_THERMAL_HIGH_ALERT_MASK | ELLESMERE_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 ellesmere_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
+{
+ int result = ellesmere_thermal_disable_alert(hwmgr);
+
+ if (!hwmgr->thermal_controller.fanInfo.bNoFan)
+ ellesmere_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_ellesmere_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
+ void *input, void *output, void *storage, int result)
+{
+ struct ellesmere_hwmgr *data = (struct ellesmere_hwmgr *)(hwmgr->backend);
+ SMU74_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 = ellesmere_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_ellesmere_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)) {
+ ellesmere_fan_ctrl_start_smc_fan_control(hwmgr);
+ ellesmere_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_ellesmere_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 ellesmere_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_ellesmere_thermal_initialize(struct pp_hwmgr *hwmgr,
+ void *input, void *output, void *storage, int result)
+{
+ return ellesmere_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_ellesmere_thermal_enable_alert(struct pp_hwmgr *hwmgr,
+ void *input, void *output, void *storage, int result)
+{
+ return ellesmere_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_ellesmere_thermal_disable_alert(struct pp_hwmgr *hwmgr,
+ void *input, void *output, void *storage, int result)
+{
+ return ellesmere_thermal_disable_alert(hwmgr);
+}
+
+static int tf_ellesmere_thermal_avfs_enable(struct pp_hwmgr *hwmgr,
+ void *input, void *output, void *storage, int result)
+{
+ int ret;
+ struct pp_smumgr *smumgr = (struct pp_smumgr *)(hwmgr->smumgr);
+ struct ellesmere_smumgr *smu_data = (struct ellesmere_smumgr *)(smumgr->backend);
+
+ if (smu_data->avfs.avfs_btc_status != AVFS_BTC_ENABLEAVFS)
+ return 0;
+
+ ret = (smum_send_msg_to_smc(smumgr, PPSMC_MSG_EnableAvfs) == 0) ?
+ 0 : -1;
+
+ if (!ret)
+ /* If this param is not changed, this function could fire unnecessarily */
+ smu_data->avfs.avfs_btc_status = AVFS_BTC_COMPLETED_PREVIOUSLY;
+
+ return ret;
+}
+
+static struct phm_master_table_item
+ellesmere_thermal_start_thermal_controller_master_list[] = {
+ {NULL, tf_ellesmere_thermal_initialize},
+ {NULL, tf_ellesmere_thermal_set_temperature_range},
+ {NULL, tf_ellesmere_thermal_enable_alert},
+ {NULL, tf_ellesmere_thermal_avfs_enable},
+/* 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_ellesmere_thermal_setup_fan_table},
+ {NULL, tf_ellesmere_thermal_start_smc_fan_control},
+ {NULL, NULL}
+};
+
+static struct phm_master_table_header
+ellesmere_thermal_start_thermal_controller_master = {
+ 0,
+ PHM_MasterTableFlag_None,
+ ellesmere_thermal_start_thermal_controller_master_list
+};
+
+static struct phm_master_table_item
+ellesmere_thermal_set_temperature_range_master_list[] = {
+ {NULL, tf_ellesmere_thermal_disable_alert},
+ {NULL, tf_ellesmere_thermal_set_temperature_range},
+ {NULL, tf_ellesmere_thermal_enable_alert},
+ {NULL, NULL}
+};
+
+struct phm_master_table_header
+ellesmere_thermal_set_temperature_range_master = {
+ 0,
+ PHM_MasterTableFlag_None,
+ ellesmere_thermal_set_temperature_range_master_list
+};
+
+int ellesmere_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
+{
+ if (!hwmgr->thermal_controller.fanInfo.bNoFan)
+ ellesmere_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_ellesmere_thermal_initialize(struct pp_hwmgr *hwmgr)
+{
+ int result;
+
+ result = phm_construct_table(hwmgr,
+ &ellesmere_thermal_set_temperature_range_master,
+ &(hwmgr->set_temperature_range));
+
+ if (!result) {
+ result = phm_construct_table(hwmgr,
+ &ellesmere_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;
+}
+
projects / platform / kernel / linux-starfive.git / commitdiff