arch/sh/include/asm/timer.h

   1 #ifndef __ASM_SH_TIMER_H
   2 #define __ASM_SH_TIMER_H
   3
   4 #include <linux/sysdev.h>
   5 #include <linux/clocksource.h>
   6 #include <cpu/timer.h>
   7
   8 struct sys_timer_ops {
   9         int (*init)(void);
  10         int (*start)(void);
  11         int (*stop)(void);
  12 #ifndef CONFIG_GENERIC_TIME
  13         unsigned long (*get_offset)(void);
  14 #endif
  15 };
  16
  17 struct sys_timer {
  18         const char              *name;
  19
  20         struct sys_device       dev;
  21         struct sys_timer_ops    *ops;
  22 };
  23
  24 #define TICK_SIZE (tick_nsec / 1000)
  25
  26 extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
  27 extern struct sys_timer *sys_timer;
  28
  29 #ifndef CONFIG_GENERIC_TIME
  30 static inline unsigned long get_timer_offset(void)
  31 {
  32         return sys_timer->ops->get_offset();
  33 }
  34 #endif
  35
  36 /* arch/sh/kernel/timers/timer.c */
  37 struct sys_timer *get_sys_timer(void);
  38
  39 /* arch/sh/kernel/time.c */
  40 void handle_timer_tick(void);
  41
  42 extern struct clocksource clocksource_sh;
  43
  44 #endif /* __ASM_SH_TIMER_H */