0312ee81ad
From branch: redwood-s-oss mi_thermal_interface From branch: zijin-s-oss Change-Id: Ia224f2ac382abb409dd03e881779c51e478fa582
88 lines
2.4 KiB
C
88 lines
2.4 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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#include <linux/cpumask.h>
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struct cpufreq_policy;
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void cpu_limits_set_level(unsigned int cpu, unsigned int max_freq);
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#ifdef CONFIG_CPU_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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#else /* !CONFIG_CPU_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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#endif /* CONFIG_CPU_THERMAL */
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#if defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL)
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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
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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 /* defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL) */
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#ifdef CONFIG_QTI_CPU_ISOLATE_COOLING_DEVICE
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extern void cpu_cooling_max_level_notifier_register(struct notifier_block *n);
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extern void cpu_cooling_max_level_notifier_unregister(struct notifier_block *n);
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extern const struct cpumask *cpu_cooling_get_max_level_cpumask(void);
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#else
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static inline
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void cpu_cooling_max_level_notifier_register(struct notifier_block *n)
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{
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}
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static inline
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void cpu_cooling_max_level_notifier_unregister(struct notifier_block *n)
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{
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}
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static inline const struct cpumask *cpu_cooling_get_max_level_cpumask(void)
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{
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return cpu_none_mask;
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}
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#endif /* CONFIG_QTI_CPU_ISOLATE_COOLING_DEVICE */
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#endif /* __CPU_COOLING_H__ */
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