Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
4f86d3a8 LB |
2 | /* |
3 | * cpuidle.h - The internal header file | |
4 | */ | |
5 | ||
6 | #ifndef __DRIVER_CPUIDLE_H | |
7 | #define __DRIVER_CPUIDLE_H | |
8 | ||
4f86d3a8 LB |
9 | /* For internal use only */ |
10 | extern struct cpuidle_governor *cpuidle_curr_governor; | |
4f86d3a8 LB |
11 | extern struct list_head cpuidle_governors; |
12 | extern struct list_head cpuidle_detected_devices; | |
13 | extern struct mutex cpuidle_lock; | |
14 | extern spinlock_t cpuidle_driver_lock; | |
62027aea | 15 | extern int cpuidle_disabled(void); |
56cfbf74 CC |
16 | extern int cpuidle_enter_state(struct cpuidle_device *dev, |
17 | struct cpuidle_driver *drv, int next_state); | |
4f86d3a8 LB |
18 | |
19 | /* idle loop */ | |
20 | extern void cpuidle_install_idle_handler(void); | |
21 | extern void cpuidle_uninstall_idle_handler(void); | |
22 | ||
23 | /* governors */ | |
24 | extern int cpuidle_switch_governor(struct cpuidle_governor *gov); | |
25 | ||
26 | /* sysfs */ | |
8f3e9953 DL |
27 | |
28 | struct device; | |
29 | ||
8a25a2fd KS |
30 | extern int cpuidle_add_interface(struct device *dev); |
31 | extern void cpuidle_remove_interface(struct device *dev); | |
bf4d1b5d DL |
32 | extern int cpuidle_add_device_sysfs(struct cpuidle_device *device); |
33 | extern void cpuidle_remove_device_sysfs(struct cpuidle_device *device); | |
1aef40e2 DL |
34 | extern int cpuidle_add_sysfs(struct cpuidle_device *dev); |
35 | extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); | |
4f86d3a8 | 36 | |
4126c019 | 37 | #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED |
4c1ed5a6 | 38 | bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); |
abceaa9c | 39 | int cpuidle_coupled_state_verify(struct cpuidle_driver *drv); |
4126c019 CC |
40 | int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
41 | struct cpuidle_driver *drv, int next_state); | |
42 | int cpuidle_coupled_register_device(struct cpuidle_device *dev); | |
43 | void cpuidle_coupled_unregister_device(struct cpuidle_device *dev); | |
44 | #else | |
4c1ed5a6 XP |
45 | static inline |
46 | bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) | |
4126c019 CC |
47 | { |
48 | return false; | |
49 | } | |
50 | ||
abceaa9c XP |
51 | static inline int cpuidle_coupled_state_verify(struct cpuidle_driver *drv) |
52 | { | |
53 | return 0; | |
54 | } | |
55 | ||
4126c019 CC |
56 | static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
57 | struct cpuidle_driver *drv, int next_state) | |
58 | { | |
59 | return -1; | |
60 | } | |
61 | ||
62 | static inline int cpuidle_coupled_register_device(struct cpuidle_device *dev) | |
63 | { | |
64 | return 0; | |
65 | } | |
66 | ||
67 | static inline void cpuidle_coupled_unregister_device(struct cpuidle_device *dev) | |
68 | { | |
69 | } | |
70 | #endif | |
71 | ||
4f86d3a8 | 72 | #endif /* __DRIVER_CPUIDLE_H */ |