CRISv10 improve and bugfix fasttimer
[linux-2.6.git] / include / asm-cris / 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