/* * 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__ */