timer.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:2k
- /*
- **********************************************************************
- * 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 */