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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 */