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Linux kernel mirror (for testing)
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kernel
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linux
1#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
27typedef struct _snd_oss_mixer_slot snd_mixer_oss_slot_t;
28typedef struct _snd_oss_file snd_mixer_oss_file_t;
29
30typedef int (*snd_mixer_oss_get_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *left, int *right);
31typedef int (*snd_mixer_oss_put_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int left, int right);
32typedef int (*snd_mixer_oss_get_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *active);
33typedef int (*snd_mixer_oss_put_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int active);
34typedef int (*snd_mixer_oss_get_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int *active_index);
35typedef int (*snd_mixer_oss_put_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int active_index);
36
37#define SNDRV_OSS_MAX_MIXERS 32
38
39struct _snd_oss_mixer_slot {
40 int number;
41 unsigned int stereo: 1;
42 snd_mixer_oss_get_volume_t get_volume;
43 snd_mixer_oss_put_volume_t put_volume;
44 snd_mixer_oss_get_recsrc_t get_recsrc;
45 snd_mixer_oss_put_recsrc_t put_recsrc;
46 unsigned long private_value;
47 void *private_data;
48 void (*private_free)(snd_mixer_oss_slot_t *slot);
49 int volume[2];
50};
51
52struct _snd_oss_mixer {
53 snd_card_t *card;
54 char id[16];
55 char name[32];
56 snd_mixer_oss_slot_t slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
57 unsigned int mask_recsrc; /* exclusive recsrc mask */
58 snd_mixer_oss_get_recsrce_t get_recsrc;
59 snd_mixer_oss_put_recsrce_t put_recsrc;
60 void *private_data_recsrc;
61 void (*private_free_recsrc)(snd_mixer_oss_t *mixer);
62 struct semaphore reg_mutex;
63 snd_info_entry_t *proc_entry;
64 int oss_dev_alloc;
65 /* --- */
66 int oss_recsrc;
67};
68
69struct _snd_oss_file {
70 snd_card_t *card;
71 snd_mixer_oss_t *mixer;
72};
73
74#endif /* CONFIG_SND_MIXER_OSS */
75
76#endif /* __SOUND_MIXER_OSS_H */