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* include/asm-v850/highres_timer.h -- High resolution timing routines
* Copyright (C) 2001,03 NEC Electronics Corporation
* Copyright (C) 2001,03 Miles Bader <>
* 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 <>
#ifndef __V850_HIGHRES_TIMER_H__
#define __V850_HIGHRES_TIMER_H__
#ifndef __ASSEMBLY__
#include <linux/time.h>
#include <asm/entry.h>
/* Frequency of the `slow ticks' (one tick each time the fast-tick
counter overflows). */
/* Which timer in the V850E `Timer D' we use. */
#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__ */