73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* 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 struct cpuidle_governor *cpuidle_curr_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 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 */
|