int (*init)(void);
int (*start)(void);
int (*stop)(void);
+#ifndef CONFIG_GENERIC_TIME
unsigned long (*get_offset)(void);
- unsigned long (*get_frequency)(void);
+#endif
};
struct sys_timer {
struct sys_device dev;
struct sys_timer_ops *ops;
+
+#ifdef CONFIG_NO_IDLE_HZ
+ struct dyn_tick_timer *dyn_tick;
+#endif
};
+#ifdef CONFIG_NO_IDLE_HZ
+#define DYN_TICK_ENABLED (1 << 1)
+
+struct dyn_tick_timer {
+ spinlock_t lock;
+ unsigned int state; /* Current state */
+ int (*enable)(void); /* Enables dynamic tick */
+ int (*disable)(void); /* Disables dynamic tick */
+ void (*reprogram)(unsigned long); /* Reprograms the timer */
+ int (*handler)(int, void *);
+};
+
+void timer_dyn_reprogram(void);
+#else
+#define timer_dyn_reprogram() do { } while (0)
+#endif
+
#define TICK_SIZE (tick_nsec / 1000)
-extern struct sys_timer tmu_timer;
+extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
extern struct sys_timer *sys_timer;
+#ifndef CONFIG_GENERIC_TIME
static inline unsigned long get_timer_offset(void)
{
return sys_timer->ops->get_offset();
}
-
-static inline unsigned long get_timer_frequency(void)
-{
- return sys_timer->ops->get_frequency();
-}
+#endif
/* arch/sh/kernel/timers/timer.c */
struct sys_timer *get_sys_timer(void);
/* arch/sh/kernel/time.c */
-void handle_timer_tick(struct pt_regs *);
+void handle_timer_tick(void);
#endif /* __ASM_SH_TIMER_H */
-