1 #ifndef __SOUND_MIXER_OSS_H
2 #define __SOUND_MIXER_OSS_H
6 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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.
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.
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
25 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
27 #define SNDRV_OSS_MAX_MIXERS 32
29 struct snd_mixer_oss_file;
31 struct snd_mixer_oss_slot {
33 unsigned int stereo: 1;
34 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,
40 int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
41 struct snd_mixer_oss_slot *chn,
43 int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
44 struct snd_mixer_oss_slot *chn,
46 unsigned long private_value;
48 void (*private_free)(struct snd_mixer_oss_slot *slot);
52 struct snd_mixer_oss {
53 struct snd_card *card;
56 struct snd_mixer_oss_slot slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
57 unsigned int mask_recsrc; /* exclusive recsrc mask */
58 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);
62 void *private_data_recsrc;
63 void (*private_free_recsrc)(struct snd_mixer_oss *mixer);
64 struct mutex reg_mutex;
65 struct snd_info_entry *proc_entry;
71 struct snd_mixer_oss_file {
72 struct snd_card *card;
73 struct snd_mixer_oss *mixer;
76 #endif /* CONFIG_SND_MIXER_OSS */
78 #endif /* __SOUND_MIXER_OSS_H */