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         unsigned long (*get_offset)(void);
  10         unsigned long (*get_frequency)(void);
  11 };
  12
  13 struct sys_timer {
  14         const char              *name;
  15
  16         struct sys_device       dev;
  17         struct sys_timer_ops    *ops;
  18 };
  19
  20 #define TICK_SIZE (tick_nsec / 1000)
  21
  22 extern struct sys_timer tmu_timer;
  23 extern struct sys_timer *sys_timer;
  24
  25 static inline unsigned long get_timer_offset(void)
  26 {
  27         return sys_timer->ops->get_offset();
  28 }
  29
  30 static inline unsigned long get_timer_frequency(void)
  31 {
  32         return sys_timer->ops->get_frequency();
  33 }
  34
  35 /* arch/sh/kernel/timers/timer.c */
  36 struct sys_timer *get_sys_timer(void);
  37
  38 /* arch/sh/kernel/time.c */
  39 void handle_timer_tick(struct pt_regs *);
  40
  41 #endif /* __ASM_SH_TIMER_H */
  42