| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-v850/highres_timer.h -- High resolution timing routines |
| 3 | * |
| 4 | * Copyright (C) 2001,03 NEC Electronics Corporation |
| 5 | * Copyright (C) 2001,03 Miles Bader <miles@gnu.org> |
| 6 | * |
| 7 | * This file is subject to the terms and conditions of the GNU General |
| 8 | * Public License. See the file COPYING in the main directory of this |
| 9 | * archive for more details. |
| 10 | * |
| 11 | * Written by Miles Bader <miles@gnu.org> |
| 12 | */ |
| 13 | |
| 14 | #ifndef __V850_HIGHRES_TIMER_H__ |
| 15 | #define __V850_HIGHRES_TIMER_H__ |
| 16 | |
| 17 | #ifndef __ASSEMBLY__ |
| 18 | #include <linux/time.h> |
| 19 | #endif |
| 20 | |
| 21 | #include <asm/entry.h> |
| 22 | |
| 23 | |
| 24 | /* Frequency of the `slow ticks' (one tick each time the fast-tick |
| 25 | counter overflows). */ |
| 26 | #define HIGHRES_TIMER_SLOW_TICK_RATE 25 |
| 27 | |
| 28 | /* Which timer in the V850E `Timer D' we use. */ |
| 29 | #define HIGHRES_TIMER_TIMER_D_UNIT 3 |
| 30 | |
| 31 | |
| 32 | #ifndef __ASSEMBLY__ |
| 33 | |
| 34 | extern void highres_timer_start (void), highres_timer_stop (void); |
| 35 | extern void highres_timer_reset (void); |
| 36 | extern void highres_timer_read_ticks (u32 *slow_ticks, u32 *fast_ticks); |
| 37 | extern void highres_timer_ticks_to_timeval (u32 slow_ticks, u32 fast_ticks, |
| 38 | struct timeval *tv); |
| 39 | extern void highres_timer_read (struct timeval *tv); |
| 40 | |
| 41 | #endif /* !__ASSEMBLY__ */ |
| 42 | |
| 43 | |
| 44 | #endif /* __V850_HIGHRES_TIMER_H__ */ |