mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
|
/*
|
||
|
|
* include/asm-v850/highres_timer.h -- High resolution timing routines
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001,03 NEC Electronics Corporation
|
||
|
|
* Copyright (C) 2001,03 Miles Bader <miles@gnu.org>
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General
|
||
|
|
* Public License. See the file COPYING in the main directory of this
|
||
|
|
* archive for more details.
|
||
|
|
*
|
||
|
|
* Written by Miles Bader <miles@gnu.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __V850_HIGHRES_TIMER_H__
|
||
|
|
#define __V850_HIGHRES_TIMER_H__
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
#include <linux/time.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <asm/entry.h>
|
||
|
|
|
||
|
|
|
||
|
|
/* Frequency of the `slow ticks' (one tick each time the fast-tick
|
||
|
|
counter overflows). */
|
||
|
|
#define HIGHRES_TIMER_SLOW_TICK_RATE 25
|
||
|
|
|
||
|
|
/* Which timer in the V850E `Timer D' we use. */
|
||
|
|
#define HIGHRES_TIMER_TIMER_D_UNIT 3
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
extern void highres_timer_start (void), highres_timer_stop (void);
|
||
|
|
extern void highres_timer_reset (void);
|
||
|
|
extern void highres_timer_read_ticks (u32 *slow_ticks, u32 *fast_ticks);
|
||
|
|
extern void highres_timer_ticks_to_timeval (u32 slow_ticks, u32 fast_ticks,
|
||
|
|
struct timeval *tv);
|
||
|
|
extern void highres_timer_read (struct timeval *tv);
|
||
|
|
|
||
|
|
#endif /* !__ASSEMBLY__ */
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __V850_HIGHRES_TIMER_H__ */
|