/* * 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 #include "tonga_thermal.h" #include "tonga_hwmgr.h" #include "tonga_smumgr.h" #include "tonga_ppsmc.h" #include "smu/smu_7_1_2_d.h" #include "smu/smu_7_1_2_sh_mask.h" /** * Get Fan Speed Control Parameters. * @param hwmgr the address of the powerplay hardware manager. * @param pSpeed is the address of the structure where the result is to be placed. * @exception Always succeeds except if we cannot zero out the output structure. */ int tonga_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 (0 != 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; } /** * Get Fan Speed in percent. * @param hwmgr the address of the powerplay hardware manager. * @param pSpeed is the address of the structure where the result is to be placed. * @exception Fails is the 100% setting appears to be 0. */ int tonga_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 (0 == duty100) return -EINVAL; tmp64 = (uint64_t)duty * 100; do_div(tmp64, duty100); *speed = (uint32_t)tmp64; if (*speed > 100) *speed = 100; return 0; } /** * Get Fan Speed in RPM. * @param hwmgr the address of the powerplay hardware manager. * @param speed is the address of the structure where the result is to be placed. * @exception Returns not supported if no fan is found or if pulses per revolution are not set */ int tonga_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) { 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 tonga_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 tonga_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 tonga_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) == 0) ? 0 : -EINVAL; /* if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_FanSpeedInTableIsRPM)) hwmgr->set_max_fan_rpm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM); else hwmgr->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) == 0) ? 0 : -EINVAL; } /* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. if (result == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature != 0) result = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanTemperatureTarget, \ hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature) ? 0 : -EINVAL); */ return result; } int tonga_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) { return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl) == 0) ? 0 : -EINVAL; } /** * 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 tonga_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 -EINVAL; if (speed > 100) speed = 100; if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) tonga_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 (0 == duty100) 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 tonga_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 tonga_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 = tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); if (0 == result) result = tonga_fan_ctrl_start_smc_fan_control(hwmgr); } else result = tonga_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 tonga_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) { return 0; } /** * Reads the remote temperature from the SIslands thermal controller. * * @param hwmgr The address of the hardware manager. */ int tonga_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 (0 != (0x200 & temp)) temp = TONGA_THERMAL_MAXIMUM_TEMP_READING; else temp = (temp & 0x1ff); temp = 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 tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, uint32_t low_temp, uint32_t high_temp) { uint32_t low = TONGA_THERMAL_MINIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; uint32_t high = TONGA_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 tonga_thermal_initialize(struct pp_hwmgr *hwmgr) { if (0 != 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 tonga_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 &= ~(TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_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) == 0) ? 0 : -1; } /** * Disable thermal alerts on the RV770 thermal controller. * @param hwmgr The address of the hardware manager. */ static int tonga_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 |= (TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_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) == 0) ? 0 : -1; } /** * Uninitialize the thermal controller. * Currently just disables alerts. * @param hwmgr The address of the hardware manager. */ int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) { int result = tonga_thermal_disable_alert(hwmgr); if (hwmgr->thermal_controller.fanInfo.bNoFan) tonga_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_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) { struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); SMU72_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 (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) return 0; if (0 == data->fan_table_start) { 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 (0 == duty100) { 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); fan_table.FanControl_GL_Flag = 1; res = tonga_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), data->sram_end); /* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit != 0) res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanMinPwm, \ hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit) ? 0 : -1); if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit != 0) res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanSclkTarget, \ hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit) ? 0 : -1); if (0 != 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_tonga_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)) { tonga_fan_ctrl_start_smc_fan_control(hwmgr); tonga_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_tonga_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 tonga_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_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) { return tonga_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_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) { return tonga_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_tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) { return tonga_thermal_disable_alert(hwmgr); } static struct phm_master_table_item tonga_thermal_start_thermal_controller_master_list[] = { { NULL, tf_tonga_thermal_initialize }, { NULL, tf_tonga_thermal_set_temperature_range }, { NULL, tf_tonga_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_tonga_thermal_setup_fan_table}, { NULL, tf_tonga_thermal_start_smc_fan_control}, { NULL, NULL } }; static struct phm_master_table_header tonga_thermal_start_thermal_controller_master = { 0, PHM_MasterTableFlag_None, tonga_thermal_start_thermal_controller_master_list }; static struct phm_master_table_item tonga_thermal_set_temperature_range_master_list[] = { { NULL, tf_tonga_thermal_disable_alert}, { NULL, tf_tonga_thermal_set_temperature_range}, { NULL, tf_tonga_thermal_enable_alert}, { NULL, NULL } }; struct phm_master_table_header tonga_thermal_set_temperature_range_master = { 0, PHM_MasterTableFlag_None, tonga_thermal_set_temperature_range_master_list }; int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) { if (!hwmgr->thermal_controller.fanInfo.bNoFan) tonga_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_tonga_thermal_initialize(struct pp_hwmgr *hwmgr) { int result; result = phm_construct_table(hwmgr, &tonga_thermal_set_temperature_range_master, &(hwmgr->set_temperature_range)); if (0 == result) { result = phm_construct_table(hwmgr, &tonga_thermal_start_thermal_controller_master, &(hwmgr->start_thermal_controller)); if (0 != result) phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range)); } if (0 == result) hwmgr->fan_ctrl_is_in_default_mode = true; return result; }