/* linux/arch/mips/include/mach-loongson/gsc3280/timer.h
 *
 * Copyright (c) 2012 Loongson Co., Ltd.
 *
 * GSC3280 - Timer Driver <ansonn.wang@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#ifndef __ASM_ARCH_TIMER_H
#define __ASM_ARCH_TIMER_H __FILE__

typedef enum {
	ONCE,
	LOOP
} GSC3280_TIMER_TYPE;

struct gsc3280_hard_timer {
	GSC3280_TIMER_TYPE type;			// ONCE or LOOP
	unsigned int value_type;			//0:expires,ms 1:bps
	unsigned long expires;				// accuracy 1ms
	unsigned long bps;
	void (*function)(unsigned long);		// user init hocks
	unsigned long data;				// func param
};

/*
 *request a hard timer; U should Init h_timer Correctly
 */
int gsc3280_request_hard_timer(struct gsc3280_hard_timer *h_timer);

/* 
 *free a hard timer
 */
void gsc3280_free_hard_timer(struct gsc3280_hard_timer *h_timer);

/*
 *Start Hard Timer; The Time Should Request First
 */
int gsc3280_timer_start(struct gsc3280_hard_timer *h_timer);

/*
 *If The Timer Is Run; Do Stop
 */
void gsc3280_timer_stop(struct gsc3280_hard_timer *h_timer);

/*
 *Modify Timer Param; if The Timer is in_use, Do Stop -> Modify -> Start
 */
int gsc3280_mod_timer(struct gsc3280_hard_timer *h_timer);


#endif /* __ASM_ARCH_TIMER_H */