LXR linux/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
  12typedef void fast_timer_function_type(unsigned long);
  13
  14struct fasttime_t {
  15        unsigned long tv_jiff;  /* jiffies */
  16        unsigned long tv_usec;  /* microseconds */
  17};
  18
  19struct 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
  30extern struct fast_timer *fast_timer_list;
  31
  32void 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
  38int del_fast_timer(struct fast_timer * t);
  39/* return 1 if deleted */
  40
  41
  42void schedule_usleep(unsigned long us);
  43
  44
  45int fast_timer_init(void);
  46
  47#endif
  48