/* * linux/include/linux/clock_cooling.h * * Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com> * * Copyright (C) 2013 Texas Instruments Inc. * Contact: Eduardo Valentin <eduardo.valentin@ti.com> * * Highly based on cpu_cooling.c. * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #ifndef __CPU_COOLING_H__ #define __CPU_COOLING_H__ #include <linux/of.h> #include <linux/thermal.h> #include <linux/cpumask.h> #ifdef [31mCONFIG_CLOCK_THERMAL[0m /** * clock_cooling_register - function to create clock cooling device. * @dev: struct device pointer to the device used as clock cooling device. * @clock_name: string containing the clock used as cooling mechanism. */ struct thermal_cooling_device * clock_cooling_register(struct device *dev, const char *clock_name); /** * clock_cooling_unregister - function to remove clock cooling device. * @cdev: thermal cooling device pointer. */ void clock_cooling_unregister(struct thermal_cooling_device *cdev); unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, unsigned long freq); #else /* !CONFIG_CLOCK_THERMAL */ static inline struct thermal_cooling_device * clock_cooling_register(struct device *dev, const char *clock_name) { return NULL; } static inline void clock_cooling_unregister(struct thermal_cooling_device *cdev) { } static inline unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, unsigned long freq) { return THERMAL_CSTATE_INVALID; } #endif /* CONFIG_CLOCK_THERMAL */ #endif /* __CPU_COOLING_H__ */ |