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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/include/linux/cpu_cooling.h
*
* Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
* Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef __CPU_COOLING_H__
#define __CPU_COOLING_H__
#include <linux/of.h>
#include <linux/thermal.h>
struct cpufreq_policy;
#ifdef CONFIG_CPU_FREQ_THERMAL
/**
* cpufreq_cooling_register - function to create cpufreq cooling device.
* @policy: cpufreq policy.
*/
struct thermal_cooling_device *
cpufreq_cooling_register(struct cpufreq_policy *policy);
/**
* cpufreq_cooling_unregister - function to remove cpufreq cooling device.
* @cdev: thermal cooling device pointer.
*/
void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
/**
* of_cpufreq_cooling_register - create cpufreq cooling device based on DT.
* @policy: cpufreq policy.
*/
struct thermal_cooling_device *
of_cpufreq_cooling_register(struct cpufreq_policy *policy);
#else /* !CONFIG_CPU_FREQ_THERMAL */
static inline struct thermal_cooling_device *
cpufreq_cooling_register(struct cpufreq_policy *policy)
{
return ERR_PTR(-ENOSYS);
}
static inline
void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
{
return;
}
static inline struct thermal_cooling_device *
of_cpufreq_cooling_register(struct cpufreq_policy *policy)
{
return NULL;
}
#endif /* CONFIG_CPU_FREQ_THERMAL */
struct cpuidle_driver;
#ifdef CONFIG_CPU_IDLE_THERMAL
void cpuidle_cooling_register(struct cpuidle_driver *drv);
#else /* CONFIG_CPU_IDLE_THERMAL */
static inline void cpuidle_cooling_register(struct cpuidle_driver *drv)
{
}
#endif /* CONFIG_CPU_IDLE_THERMAL */
#endif /* __CPU_COOLING_H__ */
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