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Diffstat (limited to 'include/asm-v850/highres_timer.h')
| -rw-r--r-- | include/asm-v850/highres_timer.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-v850/highres_timer.h b/include/asm-v850/highres_timer.h new file mode 100644 index 000000000000..486fb49ceab6 --- /dev/null +++ b/include/asm-v850/highres_timer.h @@ -0,0 +1,44 @@ +/* + * 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__ */ |