/* * 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 "vega10_thermal.h" #include "vega10_hwmgr.h" #include "vega10_smumgr.h" #include "vega10_ppsmc.h" #include "vega10_inc.h" #include "soc15_common.h" #include "pp_debug.h" static int vega10_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) { … } int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info) { … } int vega10_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t *speed) { … } int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) { … } /** * vega10_fan_ctrl_set_static_mode - Set Fan Speed Control to static mode, * so that the user can decide what speed to use. * @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 vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) { … } /** * vega10_fan_ctrl_set_default_mode - Reset Fan Speed Control to default mode. * @hwmgr: the address of the powerplay hardware manager. * Exception: Should always succeed. */ int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) { … } /** * vega10_enable_fan_control_feature - Enables the SMC Fan Control Feature. * * @hwmgr: the address of the powerplay hardware manager. * Return: 0 on success. -1 otherwise. */ static int vega10_enable_fan_control_feature(struct pp_hwmgr *hwmgr) { … } static int vega10_disable_fan_control_feature(struct pp_hwmgr *hwmgr) { … } int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) { … } int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) { … } /** * vega10_fan_ctrl_set_fan_speed_pwm - Set Fan Speed in PWM. * @hwmgr: the address of the powerplay hardware manager. * @speed: is the percentage value (0 - 255) to be set. */ int vega10_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t speed) { … } /** * vega10_fan_ctrl_reset_fan_speed_to_default - Reset Fan Speed to default. * @hwmgr: the address of the powerplay hardware manager. * Exception: Always succeeds. */ int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) { … } /** * vega10_fan_ctrl_set_fan_speed_rpm - Set Fan Speed in RPM. * @hwmgr: the address of the powerplay hardware manager. * @speed: is the percentage value (min - max) to be set. * Exception: Fails is the speed not lie between min and max. */ int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) { … } /** * vega10_thermal_get_temperature - Reads the remote temperature from the SIslands thermal controller. * * @hwmgr: The address of the hardware manager. */ int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_set_temperature_range - Set the requested temperature range for high and low alert signals * * @hwmgr: The address of the hardware manager. * @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 vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range) { … } /** * vega10_thermal_initialize - Programs thermal controller one-time setting registers * * @hwmgr: The address of the hardware manager. */ static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_enable_alert - Enable thermal alerts on the RV770 thermal controller. * * @hwmgr: The address of the hardware manager. */ static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_disable_alert - Disable thermal alerts on the RV770 thermal controller. * @hwmgr: The address of the hardware manager. */ int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_stop_thermal_controller - Uninitialize the thermal controller. * Currently just disables alerts. * @hwmgr: The address of the hardware manager. */ int vega10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_setup_fan_table - Set up the fan table to control the fan using the SMC. * @hwmgr: the address of the powerplay hardware manager. * Return: result from set temperature range routine */ static int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) { … } int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr) { … } /** * vega10_thermal_start_smc_fan_control - Start the fan control on the SMC. * @hwmgr: the address of the powerplay hardware manager. * Return: result from set temperature range routine */ static int vega10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr) { … } int vega10_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range) { int ret = 0; if (range == NULL) return -EINVAL; vega10_thermal_initialize(hwmgr); ret = vega10_thermal_set_temperature_range(hwmgr, range); if (ret) return -EINVAL; vega10_thermal_enable_alert(hwmgr); /* 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. */ ret = vega10_thermal_setup_fan_table(hwmgr); if (ret) return -EINVAL; vega10_thermal_start_smc_fan_control(hwmgr); return 0; }; int vega10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) { … }
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