ASoC: Add TI tlv320aic32x4 codec support.
[linux-2.6.git] / include / sound / pcm_oss.h
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 */