forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.2 KiB
75 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* cpuidle.h - The internal header file |
|
*/ |
|
|
|
#ifndef __DRIVER_CPUIDLE_H |
|
#define __DRIVER_CPUIDLE_H |
|
|
|
/* For internal use only */ |
|
extern char param_governor[]; |
|
extern struct cpuidle_governor *cpuidle_curr_governor; |
|
extern struct cpuidle_governor *cpuidle_prev_governor; |
|
extern struct list_head cpuidle_governors; |
|
extern struct list_head cpuidle_detected_devices; |
|
extern struct mutex cpuidle_lock; |
|
extern spinlock_t cpuidle_driver_lock; |
|
extern int cpuidle_disabled(void); |
|
extern int cpuidle_enter_state(struct cpuidle_device *dev, |
|
struct cpuidle_driver *drv, int next_state); |
|
|
|
/* idle loop */ |
|
extern void cpuidle_install_idle_handler(void); |
|
extern void cpuidle_uninstall_idle_handler(void); |
|
|
|
/* governors */ |
|
extern struct cpuidle_governor *cpuidle_find_governor(const char *str); |
|
extern int cpuidle_switch_governor(struct cpuidle_governor *gov); |
|
|
|
/* sysfs */ |
|
|
|
struct device; |
|
|
|
extern int cpuidle_add_interface(struct device *dev); |
|
extern void cpuidle_remove_interface(struct device *dev); |
|
extern int cpuidle_add_device_sysfs(struct cpuidle_device *device); |
|
extern void cpuidle_remove_device_sysfs(struct cpuidle_device *device); |
|
extern int cpuidle_add_sysfs(struct cpuidle_device *dev); |
|
extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); |
|
|
|
#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED |
|
bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); |
|
int cpuidle_coupled_state_verify(struct cpuidle_driver *drv); |
|
int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
|
struct cpuidle_driver *drv, int next_state); |
|
int cpuidle_coupled_register_device(struct cpuidle_device *dev); |
|
void cpuidle_coupled_unregister_device(struct cpuidle_device *dev); |
|
#else |
|
static inline |
|
bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) |
|
{ |
|
return false; |
|
} |
|
|
|
static inline int cpuidle_coupled_state_verify(struct cpuidle_driver *drv) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev, |
|
struct cpuidle_driver *drv, int next_state) |
|
{ |
|
return -1; |
|
} |
|
|
|
static inline int cpuidle_coupled_register_device(struct cpuidle_device *dev) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void cpuidle_coupled_unregister_device(struct cpuidle_device *dev) |
|
{ |
|
} |
|
#endif |
|
|
|
#endif /* __DRIVER_CPUIDLE_H */
|
|
|