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02361418 ADK |
1 | /* |
2 | * linux/include/linux/cpu_cooling.h | |
3 | * | |
4 | * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) | |
5 | * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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. | |
20 | * | |
21 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
22 | */ | |
23 | ||
24 | #ifndef __CPU_COOLING_H__ | |
25 | #define __CPU_COOLING_H__ | |
26 | ||
27 | #include <linux/thermal.h> | |
198f38f7 | 28 | #include <linux/cpumask.h> |
02361418 | 29 | |
bbf7fc88 | 30 | #ifdef CONFIG_CPU_THERMAL |
02361418 ADK |
31 | /** |
32 | * cpufreq_cooling_register - function to create cpufreq cooling device. | |
33 | * @clip_cpus: cpumask of cpus where the frequency constraints will happen | |
34 | */ | |
d44ada51 EV |
35 | struct thermal_cooling_device * |
36 | cpufreq_cooling_register(const struct cpumask *clip_cpus); | |
02361418 ADK |
37 | |
38 | /** | |
39 | * cpufreq_cooling_unregister - function to remove cpufreq cooling device. | |
40 | * @cdev: thermal cooling device pointer. | |
41 | */ | |
42 | void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); | |
57df8106 | 43 | |
e8d39240 | 44 | unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq); |
02361418 | 45 | #else /* !CONFIG_CPU_THERMAL */ |
d44ada51 EV |
46 | static inline struct thermal_cooling_device * |
47 | cpufreq_cooling_register(const struct cpumask *clip_cpus) | |
02361418 ADK |
48 | { |
49 | return NULL; | |
50 | } | |
d44ada51 EV |
51 | static inline |
52 | void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) | |
02361418 ADK |
53 | { |
54 | return; | |
55 | } | |
d44ada51 | 56 | static inline |
e8d39240 | 57 | unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) |
57df8106 ZR |
58 | { |
59 | return THERMAL_CSTATE_INVALID; | |
60 | } | |
02361418 ADK |
61 | #endif /* CONFIG_CPU_THERMAL */ |
62 | ||
63 | #endif /* __CPU_COOLING_H__ */ |