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/*
**********************************************************************
* timer.h
* Copyright (C) 1999, 2000 Creative Labs, Inc.
*
**********************************************************************
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
* USA.
*
**********************************************************************
*/
#ifndef _TIMER_H
#define _TIMER_H
#include <linux/sched.h>
#include <linux/interrupt.h>
#include "hwaccess.h"
struct emu_timer
{
struct list_head list;
struct tasklet_struct tasklet;
u8 state;
u16 count; /* current number of interrupts */
u16 count_max; /* number of interrupts needed to schedule the bh */
u16 delay; /* timer delay */
};
void emu10k1_timer_install(struct emu10k1_card *, struct emu_timer *, u16);
void emu10k1_timer_uninstall(struct emu10k1_card *, struct emu_timer *);
void emu10k1_timer_enable(struct emu10k1_card *, struct emu_timer *);
void emu10k1_timer_disable(struct emu10k1_card *, struct emu_timer *);
#define TIMER_STOPPED 0xffff
#define TIMER_STATE_INSTALLED 0x01
#define TIMER_STATE_ACTIVE 0x02
#define TIMER_STATE_UNINSTALLED 0x04
#endif /* _TIMER_H */
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