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Jesper Nilssond8e52192007-11-14 17:01:23 -08001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * linux/include/asm-cris/fasttimer.h
3 *
4 * Fast timers for ETRAX100LX
Jesper Nilssond8e52192007-11-14 17:01:23 -08005 * Copyright (C) 2000-2007 Axis Communications AB
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#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
Jesper Nilssond8e52192007-11-14 17:01:23 -080014struct fasttime_t {
15 unsigned long tv_jiff; /* jiffies */
16 unsigned long tv_usec; /* microseconds */
17};
18
Linus Torvalds1da177e2005-04-16 15:20:36 -070019struct fast_timer{ /* Close to timer_list */
20 struct fast_timer *next;
21 struct fast_timer *prev;
Jesper Nilssond8e52192007-11-14 17:01:23 -080022 struct fasttime_t tv_set;
23 struct fasttime_t tv_expires;
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 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
Jesper Nilssond8e52192007-11-14 17:01:23 -080045int fast_timer_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
47#endif