2 * linux/include/linux/cpu_cooling.h
4 * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
5 * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 #ifndef __CPU_COOLING_H__
25 #define __CPU_COOLING_H__
27 #include <linux/thermal.h>
29 #define CPUFREQ_COOLING_START 0
30 #define CPUFREQ_COOLING_STOP 1
32 #ifdef CONFIG_CPU_THERMAL
34 * cpufreq_cooling_register - function to create cpufreq cooling device.
35 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
37 struct thermal_cooling_device *cpufreq_cooling_register(
38 struct cpumask *clip_cpus);
41 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
42 * @cdev: thermal cooling device pointer.
44 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
45 #else /* !CONFIG_CPU_THERMAL */
46 static inline struct thermal_cooling_device *cpufreq_cooling_register(
47 struct cpumask *clip_cpus)
51 static inline void cpufreq_cooling_unregister(
52 struct thermal_cooling_device *cdev)
56 #endif /* CONFIG_CPU_THERMAL */
58 #endif /* __CPU_COOLING_H__ */