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