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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __SOUND_MIXER_OSS_H
2#define __SOUND_MIXER_OSS_H
3
4/*
5 * OSS MIXER API
6 * Copyright (c) by Jaroslav Kysela <perex@suse.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#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#define SNDRV_OSS_MAX_MIXERS 32
28
Takashi Iwaif956b4a2005-11-17 14:01:22 +010029struct snd_mixer_oss_file;
30
31struct snd_mixer_oss_slot {
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 int number;
33 unsigned int stereo: 1;
Takashi Iwaif956b4a2005-11-17 14:01:22 +010034 int (*get_volume)(struct snd_mixer_oss_file *fmixer,
35 struct snd_mixer_oss_slot *chn,
36 int *left, int *right);
37 int (*put_volume)(struct snd_mixer_oss_file *fmixer,
38 struct snd_mixer_oss_slot *chn,
39 int left, int right);
40 int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
41 struct snd_mixer_oss_slot *chn,
42 int *active);
43 int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
44 struct snd_mixer_oss_slot *chn,
45 int active);
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 unsigned long private_value;
47 void *private_data;
Takashi Iwaif956b4a2005-11-17 14:01:22 +010048 void (*private_free)(struct snd_mixer_oss_slot *slot);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 int volume[2];
50};
51
Takashi Iwaif956b4a2005-11-17 14:01:22 +010052struct snd_mixer_oss {
53 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 char id[16];
55 char name[32];
Takashi Iwaif956b4a2005-11-17 14:01:22 +010056 struct snd_mixer_oss_slot slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
Linus Torvalds1da177e2005-04-16 15:20:36 -070057 unsigned int mask_recsrc; /* exclusive recsrc mask */
Takashi Iwaif956b4a2005-11-17 14:01:22 +010058 int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
59 unsigned int *active_index);
60 int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
61 unsigned int active_index);
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 void *private_data_recsrc;
Takashi Iwaif956b4a2005-11-17 14:01:22 +010063 void (*private_free_recsrc)(struct snd_mixer_oss *mixer);
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 struct semaphore reg_mutex;
Takashi Iwaif956b4a2005-11-17 14:01:22 +010065 struct snd_info_entry *proc_entry;
Linus Torvalds1da177e2005-04-16 15:20:36 -070066 int oss_dev_alloc;
67 /* --- */
68 int oss_recsrc;
69};
70
Takashi Iwaif956b4a2005-11-17 14:01:22 +010071struct snd_mixer_oss_file {
72 struct snd_card *card;
73 struct snd_mixer_oss *mixer;
Linus Torvalds1da177e2005-04-16 15:20:36 -070074};
75
76#endif /* CONFIG_SND_MIXER_OSS */
77
78#endif /* __SOUND_MIXER_OSS_H */