arch/cris/include/asm/fasttimer.h

   1 /*
   2  * linux/include/asm-cris/fasttimer.h
   3  *
   4  * Fast timers for ETRAX100LX
   5  * Copyright (C) 2000-2007 Axis Communications AB
   6  */
   7 #include <linux/time.h> /* struct timeval */
   8 #include <linux/timex.h>
   9
  10 #ifdef CONFIG_ETRAX_FAST_TIMER
  11
  12 typedef void fast_timer_function_type(unsigned long);
  13
  14 struct fasttime_t {
  15         unsigned long tv_jiff;  /* jiffies */
  16         unsigned long tv_usec;  /* microseconds */
  17 };
  18
  19 struct fast_timer{ /* Close to timer_list */
  20   struct fast_timer *next;
  21   struct fast_timer *prev;
  22         struct fasttime_t tv_set;
  23         struct fasttime_t tv_expires;
  24   unsigned long delay_us;
  25   fast_timer_function_type *function;
  26   unsigned long data;
  27   const char *name;
  28 };
  29
  30 extern struct fast_timer *fast_timer_list;
  31
  32 void start_one_shot_timer(struct fast_timer *t,
  33                           fast_timer_function_type *function,
  34                           unsigned long data,
  35                           unsigned long delay_us,
  36                           const char *name);
  37
  38 int del_fast_timer(struct fast_timer * t);
  39 /* return 1 if deleted */
  40
  41
  42 void schedule_usleep(unsigned long us);
  43
  44
  45 int fast_timer_init(void);
  46
  47 #endif