arch/cris/include/asm/fasttimer.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * linux/include/asm-cris/fasttimer.h
   4  *
   5  * Fast timers for ETRAX100LX
   6  * Copyright (C) 2000-2007 Axis Communications AB
   7  */
   8 #include <linux/time.h> /* struct timeval */
   9 #include <linux/timex.h>
  10
  11 #ifdef CONFIG_ETRAX_FAST_TIMER
  12
  13 typedef void fast_timer_function_type(unsigned long);
  14
  15 struct fasttime_t {
  16         unsigned long tv_jiff;  /* jiffies */
  17         unsigned long tv_usec;  /* microseconds */
  18 };
  19
  20 struct fast_timer{ /* Close to timer_list */
  21   struct fast_timer *next;
  22   struct fast_timer *prev;
  23         struct fasttime_t tv_set;
  24         struct fasttime_t tv_expires;
  25   unsigned long delay_us;
  26   fast_timer_function_type *function;
  27   unsigned long data;
  28   const char *name;
  29 };
  30
  31 extern struct fast_timer *fast_timer_list;
  32
  33 void start_one_shot_timer(struct fast_timer *t,
  34                           fast_timer_function_type *function,
  35                           unsigned long data,
  36                           unsigned long delay_us,
  37                           const char *name);
  38
  39 int del_fast_timer(struct fast_timer * t);
  40 /* return 1 if deleted */
  41
  42
  43 void schedule_usleep(unsigned long us);
  44
  45
  46 int fast_timer_init(void);
  47
  48 #endif