1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * linux/include/linux/cpu_cooling.h 2 * linux/include/linux/cpu_cooling.h
4 * 3 *
5 * Copyright (C) 2012 Samsung Electronics Co 4 * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
6 * Copyright (C) 2012 Amit Daniel <amit.kach 5 * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
7 * 6 *
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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.
9 * 20 *
10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 */ 22 */
12 23
13 #ifndef __CPU_COOLING_H__ 24 #ifndef __CPU_COOLING_H__
14 #define __CPU_COOLING_H__ 25 #define __CPU_COOLING_H__
15 26
16 #include <linux/of.h> <<
17 #include <linux/thermal.h> 27 #include <linux/thermal.h>
>> 28 #include <linux/cpumask.h>
18 29
19 struct cpufreq_policy; !! 30 #ifdef CONFIG_CPU_THERMAL
20 <<
21 #ifdef CONFIG_CPU_FREQ_THERMAL <<
22 /** 31 /**
23 * cpufreq_cooling_register - function to crea 32 * cpufreq_cooling_register - function to create cpufreq cooling device.
24 * @policy: cpufreq policy. !! 33 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
25 */ 34 */
26 struct thermal_cooling_device * 35 struct thermal_cooling_device *
27 cpufreq_cooling_register(struct cpufreq_policy !! 36 cpufreq_cooling_register(const struct cpumask *clip_cpus);
28 37
29 /** 38 /**
30 * cpufreq_cooling_unregister - function to re 39 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
31 * @cdev: thermal cooling device pointer. 40 * @cdev: thermal cooling device pointer.
32 */ 41 */
33 void cpufreq_cooling_unregister(struct thermal 42 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
34 43
35 /** !! 44 unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq);
36 * of_cpufreq_cooling_register - create cpufre !! 45 #else /* !CONFIG_CPU_THERMAL */
37 * @policy: cpufreq policy. <<
38 */ <<
39 struct thermal_cooling_device * <<
40 of_cpufreq_cooling_register(struct cpufreq_pol <<
41 <<
42 #else /* !CONFIG_CPU_FREQ_THERMAL */ <<
43 static inline struct thermal_cooling_device * 46 static inline struct thermal_cooling_device *
44 cpufreq_cooling_register(struct cpufreq_policy !! 47 cpufreq_cooling_register(const struct cpumask *clip_cpus)
45 { 48 {
46 return ERR_PTR(-ENOSYS); !! 49 return NULL;
47 } 50 }
48 <<
49 static inline 51 static inline
50 void cpufreq_cooling_unregister(struct thermal 52 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
51 { 53 {
52 return; 54 return;
53 } 55 }
54 !! 56 static inline
55 static inline struct thermal_cooling_device * !! 57 unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq)
56 of_cpufreq_cooling_register(struct cpufreq_pol <<
57 { <<
58 return NULL; <<
59 } <<
60 #endif /* CONFIG_CPU_FREQ_THERMAL */ <<
61 <<
62 struct cpuidle_driver; <<
63 <<
64 #ifdef CONFIG_CPU_IDLE_THERMAL <<
65 void cpuidle_cooling_register(struct cpuidle_d <<
66 #else /* CONFIG_CPU_IDLE_THERMAL */ <<
67 static inline void cpuidle_cooling_register(st <<
68 { 58 {
>> 59 return THERMAL_CSTATE_INVALID;
69 } 60 }
70 #endif /* CONFIG_CPU_IDLE_THERMAL */ !! 61 #endif /* CONFIG_CPU_THERMAL */
71 62
72 #endif /* __CPU_COOLING_H__ */ 63 #endif /* __CPU_COOLING_H__ */
73 64
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