1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * devfreq_cooling: Thermal cooling device imp
4 * devfreq
5 *
6 * Copyright (C) 2014-2015 ARM Limited
7 *
8 */
9
10 #ifndef __DEVFREQ_COOLING_H__
11 #define __DEVFREQ_COOLING_H__
12
13 #include <linux/devfreq.h>
14 #include <linux/thermal.h>
15
16
17 /**
18 * struct devfreq_cooling_power - Devfreq cool
19 * @get_real_power: When this is set, the
20 * device driver for the
21 * Some devices have more
22 * (like power counters)
23 * that they use.
24 * This function provides
25 * thermal governor. When
26 * such function, framewo
27 * table and scale the po
28 * (based on 'busy_time'
29 * devfreq 'last_status')
30 * The value returned by
31 * or equal than the maxi
32 * for the current state
33 * (which can be found in
34 * When this interface is
35 * max total (static + dy
36 */
37 struct devfreq_cooling_power {
38 int (*get_real_power)(struct devfreq *
39 unsigned long fr
40 };
41
42 #ifdef CONFIG_DEVFREQ_THERMAL
43
44 struct thermal_cooling_device *
45 of_devfreq_cooling_register_power(struct devic
46 struct devfr
47 struct thermal_cooling_device *
48 of_devfreq_cooling_register(struct device_node
49 struct thermal_cooling_device *devfreq_cooling
50 void devfreq_cooling_unregister(struct thermal
51 struct thermal_cooling_device *
52 devfreq_cooling_em_register(struct devfreq *df
53 struct devfreq_coo
54
55 #else /* !CONFIG_DEVFREQ_THERMAL */
56
57 static inline struct thermal_cooling_device *
58 of_devfreq_cooling_register_power(struct devic
59 struct devfr
60 {
61 return ERR_PTR(-EINVAL);
62 }
63
64 static inline struct thermal_cooling_device *
65 of_devfreq_cooling_register(struct device_node
66 {
67 return ERR_PTR(-EINVAL);
68 }
69
70 static inline struct thermal_cooling_device *
71 devfreq_cooling_register(struct devfreq *df)
72 {
73 return ERR_PTR(-EINVAL);
74 }
75
76 static inline struct thermal_cooling_device *
77 devfreq_cooling_em_register(struct devfreq *df
78 struct devfreq_coo
79 {
80 return ERR_PTR(-EINVAL);
81 }
82
83 static inline void
84 devfreq_cooling_unregister(struct thermal_cool
85 {
86 }
87
88 #endif /* CONFIG_DEVFREQ_THERMAL */
89 #endif /* __DEVFREQ_COOLING_H__ */
90
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