| | 1 | /* |
| | 2 | * cpuidle.h - The internal header file |
| | 3 | */ |
| | 4 | |
| | 5 | #ifndef __DRIVER_CPUIDLE_H |
| | 6 | #define __DRIVER_CPUIDLE_H |
| | 7 | |
| | 8 | /* For internal use only */ |
| | 9 | extern struct cpuidle_governor *cpuidle_curr_governor; |
| | 10 | extern struct list_head cpuidle_governors; |
| | 11 | extern struct list_head cpuidle_detected_devices; |
| | 12 | extern struct mutex cpuidle_lock; |
| | 13 | extern spinlock_t cpuidle_driver_lock; |
| | 14 | extern int cpuidle_disabled(void); |
| | 15 | extern int cpuidle_enter_state(struct cpuidle_device *dev, |
| | 16 | struct cpuidle_driver *drv, int next_state); |
| | 17 | |
| | 18 | /* idle loop */ |
| | 19 | extern void cpuidle_install_idle_handler(void); |
| | 20 | extern void cpuidle_uninstall_idle_handler(void); |
| | 21 | |
| | 22 | /* governors */ |
| | 23 | extern int cpuidle_switch_governor(struct cpuidle_governor *gov); |
| | 24 | |
| | 25 | /* sysfs */ |
| | 26 | |
| | 27 | struct device; |
| | 28 | |
| | 29 | extern int cpuidle_add_interface(struct device *dev); |
| | 30 | extern void cpuidle_remove_interface(struct device *dev); |
| | 31 | extern int cpuidle_add_device_sysfs(struct cpuidle_device *device); |
| | 32 | extern void cpuidle_remove_device_sysfs(struct cpuidle_device *device); |
| | 33 | extern int cpuidle_add_sysfs(struct cpuidle_device *dev); |
| | 34 | extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); |
| | 35 | |
| | 36 | #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED |
| | 37 | bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); |
| | 38 | int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
| | 39 | struct cpuidle_driver *drv, int next_state); |
| | 40 | int cpuidle_coupled_register_device(struct cpuidle_device *dev); |
| | 41 | void cpuidle_coupled_unregister_device(struct cpuidle_device *dev); |
| | 42 | #else |
| | 43 | static inline |
| | 44 | bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) |
| | 45 | { |
| | 46 | return false; |
| | 47 | } |
| | 48 | |
| | 49 | static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
| | 50 | struct cpuidle_driver *drv, int next_state) |
| | 51 | { |
| | 52 | return -1; |
| | 53 | } |
| | 54 | |
| | 55 | static inline int cpuidle_coupled_register_device(struct cpuidle_device *dev) |
| | 56 | { |
| | 57 | return 0; |
| | 58 | } |
| | 59 | |
| | 60 | static inline void cpuidle_coupled_unregister_device(struct cpuidle_device *dev) |
| | 61 | { |
| | 62 | } |
| | 63 | #endif |
| | 64 | |
| | 65 | #endif /* __DRIVER_CPUIDLE_H */ |
projects / mirror_ubuntu-artful-kernel.git / blame_incremental