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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Jens Arnold
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __TIMER_H__
#define __TIMER_H__
#include <stdbool.h>
#include "config.h"
#if defined(CPU_PP)
/* Portalplayer chips use a microsecond timer. */
#define TIMER_FREQ 1000000
#elif defined(CPU_COLDFIRE)
/* timer is based on busclk == cpuclk/2 */
#define TIMER_FREQ (CPU_FREQ/2)
#elif CONFIG_CPU == PNX0101
#define TIMER_FREQ 3000000
#elif CONFIG_CPU == S3C2440 || CONFIG_CPU == DM320 || CONFIG_CPU == TCC7801 \
|| defined(CPU_TCC77X) || CONFIG_CPU == AS3525 || CONFIG_CPU == IMX31L
#include "timer-target.h"
#elif defined(SIMULATOR)
#define TIMER_FREQ 1000000
#else
#define TIMER_FREQ CPU_FREQ
#endif
bool timer_register(int reg_prio, void (*unregister_callback)(void),
long cycles, int int_prio, void (*timer_callback)(void)
IF_COP(,int core));
bool timer_set_period(long cycles);
#ifdef CPU_COLDFIRE
void timers_adjust_prescale(int multiplier, bool enable_irq);
#endif
void timer_unregister(void);
/* For target-specific interface use */
extern void (*pfn_timer)(void);
extern void (*pfn_unregister)(void);
#endif /* __TIMER_H__ */
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