Root/
1 | #ifndef __SOUND_PCM_OSS_H |
2 | #define __SOUND_PCM_OSS_H |
3 | |
4 | /* |
5 | * Digital Audio (PCM) - OSS compatibility abstract layer |
6 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
7 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | * GNU General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 | * |
23 | */ |
24 | |
25 | struct snd_pcm_oss_setup { |
26 | char *task_name; |
27 | unsigned int disable:1, |
28 | direct:1, |
29 | block:1, |
30 | nonblock:1, |
31 | partialfrag:1, |
32 | nosilence:1, |
33 | buggyptr:1; |
34 | unsigned int periods; |
35 | unsigned int period_size; |
36 | struct snd_pcm_oss_setup *next; |
37 | }; |
38 | |
39 | struct snd_pcm_oss_runtime { |
40 | unsigned params: 1, /* format/parameter change */ |
41 | prepare: 1, /* need to prepare the operation */ |
42 | trigger: 1, /* trigger flag */ |
43 | sync_trigger: 1; /* sync trigger flag */ |
44 | int rate; /* requested rate */ |
45 | int format; /* requested OSS format */ |
46 | unsigned int channels; /* requested channels */ |
47 | unsigned int fragshift; |
48 | unsigned int maxfrags; |
49 | unsigned int subdivision; /* requested subdivision */ |
50 | size_t period_bytes; /* requested period size */ |
51 | size_t period_frames; /* period frames for poll */ |
52 | size_t period_ptr; /* actual write pointer to period */ |
53 | unsigned int periods; |
54 | size_t buffer_bytes; /* requested buffer size */ |
55 | size_t bytes; /* total # bytes processed */ |
56 | size_t mmap_bytes; |
57 | char *buffer; /* vmallocated period */ |
58 | size_t buffer_used; /* used length from period buffer */ |
59 | struct mutex params_lock; |
60 | #ifdef CONFIG_SND_PCM_OSS_PLUGINS |
61 | struct snd_pcm_plugin *plugin_first; |
62 | struct snd_pcm_plugin *plugin_last; |
63 | #endif |
64 | unsigned int prev_hw_ptr_period; |
65 | }; |
66 | |
67 | struct snd_pcm_oss_file { |
68 | struct snd_pcm_substream *streams[2]; |
69 | }; |
70 | |
71 | struct snd_pcm_oss_substream { |
72 | unsigned oss: 1; /* oss mode */ |
73 | struct snd_pcm_oss_setup setup; /* active setup */ |
74 | }; |
75 | |
76 | struct snd_pcm_oss_stream { |
77 | struct snd_pcm_oss_setup *setup_list; /* setup list */ |
78 | struct mutex setup_mutex; |
79 | #ifdef CONFIG_SND_VERBOSE_PROCFS |
80 | struct snd_info_entry *proc_entry; |
81 | #endif |
82 | }; |
83 | |
84 | struct snd_pcm_oss { |
85 | int reg; |
86 | unsigned int reg_mask; |
87 | }; |
88 | |
89 | #endif /* __SOUND_PCM_OSS_H */ |
90 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9