| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | ********************************************************************** |
| 3 | * timer.h |
| 4 | * Copyright (C) 1999, 2000 Creative Labs, Inc. |
| 5 | * |
| 6 | ********************************************************************** |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public |
| 19 | * License along with this program; if not, write to the Free |
| 20 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, |
| 21 | * USA. |
| 22 | * |
| 23 | ********************************************************************** |
| 24 | */ |
| 25 | |
| 26 | |
| 27 | #ifndef _TIMER_H |
| 28 | #define _TIMER_H |
| 29 | |
| 30 | #include <linux/sched.h> |
| 31 | #include <linux/interrupt.h> |
| 32 | #include "hwaccess.h" |
| 33 | |
| 34 | struct emu_timer |
| 35 | { |
| 36 | struct list_head list; |
| 37 | struct tasklet_struct tasklet; |
| 38 | u8 state; |
| 39 | u16 count; /* current number of interrupts */ |
| 40 | u16 count_max; /* number of interrupts needed to schedule the bh */ |
| 41 | u16 delay; /* timer delay */ |
| 42 | }; |
| 43 | |
| 44 | void emu10k1_timer_install(struct emu10k1_card *, struct emu_timer *, u16); |
| 45 | void emu10k1_timer_uninstall(struct emu10k1_card *, struct emu_timer *); |
| 46 | void emu10k1_timer_enable(struct emu10k1_card *, struct emu_timer *); |
| 47 | void emu10k1_timer_disable(struct emu10k1_card *, struct emu_timer *); |
| 48 | |
| 49 | #define TIMER_STOPPED 0xffff |
| 50 | #define TIMER_STATE_INSTALLED 0x01 |
| 51 | #define TIMER_STATE_ACTIVE 0x02 |
| 52 | #define TIMER_STATE_UNINSTALLED 0x04 |
| 53 | |
| 54 | #endif /* _TIMER_H */ |