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