smu7_thermal.c | Explore in Territory

/*
 * 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 <asm/div64.h>
#include "smu7_thermal.h"
#include "smu7_hwmgr.h"
#include "smu7_common.h"

int smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
		struct phm_fan_speed_info *fan_speed_info)
{ … }

int smu7_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr,
		uint32_t *speed)
{ … }

int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
{ … }

/**
 * smu7_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 smu7_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
{ … }

/**
 * smu7_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 smu7_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
{ … }

int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
{ … }


int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_fan_ctrl_set_fan_speed_pwm - Set Fan Speed in PWM.
 * @hwmgr: the address of the powerplay hardware manager.
 * @speed: is the pwm value (0 - 255) to be set.
 */
int smu7_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr,
		uint32_t speed)
{ … }

/**
* smu7_fan_ctrl_reset_fan_speed_to_default - Reset Fan Speed to default.
* @hwmgr:  the address of the powerplay hardware manager.
* Exception: Always succeeds.
*/
int smu7_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_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 smu7_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
{ … }

/**
 * smu7_thermal_get_temperature - Reads the remote temperature from the SIslands thermal controller.
 *
 * @hwmgr: The address of the hardware manager.
 */
int smu7_thermal_get_temperature(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_thermal_set_temperature_range - Set the requested temperature range for high and low alert signals
 *
 * @hwmgr: The address of the hardware manager.
 * @low_temp: Temperature to be programmed for high alert signals
 * @high_temp: Temperature to be programmed for low alert signals
 * Exception: PP_Result_BadInput if the input data is not valid.
 */
static int smu7_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
		int low_temp, int high_temp)
{ … }

/**
 * smu7_thermal_initialize - Programs thermal controller one-time setting registers
 *
 * @hwmgr: The address of the hardware manager.
 */
static int smu7_thermal_initialize(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_thermal_enable_alert - Enable thermal alerts on the RV770 thermal controller.
 *
 * @hwmgr: The address of the hardware manager.
 */
static void smu7_thermal_enable_alert(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_thermal_disable_alert - Disable thermal alerts on the RV770 thermal controller.
 * @hwmgr: The address of the hardware manager.
 */
int smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_thermal_stop_thermal_controller - Uninitialize the thermal controller.
 * Currently just disables alerts.
 * @hwmgr: The address of the hardware manager.
 */
int smu7_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
{ … }

/**
 * smu7_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 smu7_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr)
{ … }

int smu7_start_thermal_controller(struct pp_hwmgr *hwmgr,
				struct PP_TemperatureRange *range)
{ … }



int smu7_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
{ … }
linux/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c
