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65 lines
2.1 KiB
65 lines
2.1 KiB
/* |
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* linux/include/linux/clock_cooling.h |
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* |
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* Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com> |
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* |
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* Copyright (C) 2013 Texas Instruments Inc. |
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* Contact: Eduardo Valentin <eduardo.valentin@ti.com> |
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* |
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* Highly based on cpu_cooling.c. |
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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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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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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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#ifdef CONFIG_CLOCK_THERMAL |
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/** |
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* clock_cooling_register - function to create clock cooling device. |
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* @dev: struct device pointer to the device used as clock cooling device. |
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* @clock_name: string containing the clock used as cooling mechanism. |
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*/ |
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struct thermal_cooling_device * |
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clock_cooling_register(struct device *dev, const char *clock_name); |
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/** |
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* clock_cooling_unregister - function to remove clock cooling device. |
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* @cdev: thermal cooling device pointer. |
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*/ |
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void clock_cooling_unregister(struct thermal_cooling_device *cdev); |
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unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, |
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unsigned long freq); |
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#else /* !CONFIG_CLOCK_THERMAL */ |
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static inline struct thermal_cooling_device * |
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clock_cooling_register(struct device *dev, const char *clock_name) |
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{ |
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return NULL; |
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} |
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static inline |
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void clock_cooling_unregister(struct thermal_cooling_device *cdev) |
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{ |
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} |
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static inline |
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unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, |
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unsigned long freq) |
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{ |
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return THERMAL_CSTATE_INVALID; |
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} |
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#endif /* CONFIG_CLOCK_THERMAL */ |
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#endif /* __CPU_COOLING_H__ */
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