]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/linux/cpu_cooling.h
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>
28 #include <linux/cpumask.h>
30 #ifdef CONFIG_CPU_THERMAL
32 * cpufreq_cooling_register - function to create cpufreq cooling device.
33 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
35 struct thermal_cooling_device
*
36 cpufreq_cooling_register(const struct cpumask
*clip_cpus
);
39 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
40 * @cdev: thermal cooling device pointer.
42 void cpufreq_cooling_unregister(struct thermal_cooling_device
*cdev
);
44 unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int);
45 #else /* !CONFIG_CPU_THERMAL */
46 static inline struct thermal_cooling_device
*
47 cpufreq_cooling_register(const struct cpumask
*clip_cpus
)
52 void cpufreq_cooling_unregister(struct thermal_cooling_device
*cdev
)
57 unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int)
59 return THERMAL_CSTATE_INVALID
;
61 #endif /* CONFIG_CPU_THERMAL */
63 #endif /* __CPU_COOLING_H__ */