release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/cpuidle/cpuidle.h

   1 /*
   2  * cpuidle.h - The internal header file
   3  */
   4
   5 #ifndef __DRIVER_CPUIDLE_H
   6 #define __DRIVER_CPUIDLE_H
   7
   8 #include <linux/sysdev.h>
   9
  10 /* For internal use only */
  11 extern struct cpuidle_governor *cpuidle_curr_governor;
  12 extern struct list_head cpuidle_governors;
  13 extern struct list_head cpuidle_detected_devices;
  14 extern struct mutex cpuidle_lock;
  15 extern spinlock_t cpuidle_driver_lock;
  16
  17 /* idle loop */
  18 extern void cpuidle_install_idle_handler(void);
  19 extern void cpuidle_uninstall_idle_handler(void);
  20
  21 /* governors */
  22 extern int cpuidle_switch_governor(struct cpuidle_governor *gov);
  23
  24 /* sysfs */
  25 extern int cpuidle_add_class_sysfs(struct sysdev_class *cls);
  26 extern void cpuidle_remove_class_sysfs(struct sysdev_class *cls);
  27 extern int cpuidle_add_state_sysfs(struct cpuidle_device *device);
  28 extern void cpuidle_remove_state_sysfs(struct cpuidle_device *device);
  29 extern int cpuidle_add_sysfs(struct sys_device *sysdev);
  30 extern void cpuidle_remove_sysfs(struct sys_device *sysdev);
  31
  32 #endif /* __DRIVER_CPUIDLE_H */