include/asm-sh/timer.h

   1 #ifndef __ASM_SH_TIMER_H
   2 #define __ASM_SH_TIMER_H
   3
   4 #include <linux/sysdev.h>
   5 #include <asm/cpu/timer.h>
   6
   7 struct sys_timer_ops {
   8         int (*init)(void);
   9         int (*start)(void);
  10         int (*stop)(void);
  11         unsigned long (*get_offset)(void);
  12         unsigned long (*get_frequency)(void);
  13 };
  14
  15 struct sys_timer {
  16         const char              *name;
  17
  18         struct sys_device       dev;
  19         struct sys_timer_ops    *ops;
  20 };
  21
  22 #define TICK_SIZE (tick_nsec / 1000)
  23
  24 extern struct sys_timer tmu_timer;
  25 extern struct sys_timer *sys_timer;
  26
  27 static inline unsigned long get_timer_offset(void)
  28 {
  29         return sys_timer->ops->get_offset();
  30 }
  31
  32 static inline unsigned long get_timer_frequency(void)
  33 {
  34         return sys_timer->ops->get_frequency();
  35 }
  36
  37 /* arch/sh/kernel/timers/timer.c */
  38 struct sys_timer *get_sys_timer(void);
  39
  40 /* arch/sh/kernel/time.c */
  41 void handle_timer_tick(struct pt_regs *);
  42
  43 #endif /* __ASM_SH_TIMER_H */
  44