diff options
Diffstat (limited to 'sound/oss/emu10k1/timer.h')
-rw-r--r-- | sound/oss/emu10k1/timer.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/timer.h b/sound/oss/emu10k1/timer.h new file mode 100644 index 000000000000..b2543b4d53a8 --- /dev/null +++ b/sound/oss/emu10k1/timer.h | |||
@@ -0,0 +1,54 @@ | |||
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 */ | ||