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Diffstat (limited to 'include/linux/cpuidle.h')
-rw-r--r--include/linux/cpuidle.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 712abcc205ae..6c26a3da0e03 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/completion.h>
+#include <linux/hrtimer.h>
#define CPUIDLE_STATE_MAX 8
#define CPUIDLE_NAME_LEN 16
@@ -43,12 +44,15 @@ struct cpuidle_state {
unsigned int flags;
unsigned int exit_latency; /* in US */
- unsigned int power_usage; /* in mW */
+ int power_usage; /* in mW */
unsigned int target_residency; /* in US */
+ unsigned int disable;
int (*enter) (struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index);
+
+ int (*enter_dead) (struct cpuidle_device *dev, int index);
};
/* Idle State Flags */
@@ -96,7 +100,6 @@ struct cpuidle_device {
struct list_head device_list;
struct kobject kobj;
struct completion kobj_unregister;
- void *governor_data;
};
DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -118,10 +121,12 @@ static inline int cpuidle_get_last_residency(struct cpuidle_device *dev)
****************************/
struct cpuidle_driver {
- char name[CPUIDLE_NAME_LEN];
+ const char *name;
struct module *owner;
unsigned int power_specified:1;
+ /* set to 1 to use the core cpuidle time keeping (for all states). */
+ unsigned int en_core_tk_irqen:1;
struct cpuidle_state states[CPUIDLE_STATE_MAX];
int state_count;
int safe_state_index;
@@ -140,6 +145,11 @@ extern void cpuidle_pause_and_lock(void);
extern void cpuidle_resume_and_unlock(void);
extern int cpuidle_enable_device(struct cpuidle_device *dev);
extern void cpuidle_disable_device(struct cpuidle_device *dev);
+extern int cpuidle_wrap_enter(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index,
+ int (*enter)(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index));
+extern int cpuidle_play_dead(void);
#else
static inline void disable_cpuidle(void) { }
@@ -157,6 +167,12 @@ static inline void cpuidle_resume_and_unlock(void) { }
static inline int cpuidle_enable_device(struct cpuidle_device *dev)
{return -ENODEV; }
static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
+static inline int cpuidle_wrap_enter(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index,
+ int (*enter)(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index))
+{ return -ENODEV; }
+static inline int cpuidle_play_dead(void) {return -ENODEV; }
#endif