diff options
Diffstat (limited to 'include/sound/mixer_oss.h')
| -rw-r--r-- | include/sound/mixer_oss.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/sound/mixer_oss.h b/include/sound/mixer_oss.h new file mode 100644 index 00000000000..ed75b2fb00a --- /dev/null +++ b/include/sound/mixer_oss.h @@ -0,0 +1,76 @@ +#ifndef __SOUND_MIXER_OSS_H +#define __SOUND_MIXER_OSS_H + +/* + * OSS MIXER API + * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) + +typedef struct _snd_oss_mixer_slot snd_mixer_oss_slot_t; +typedef struct _snd_oss_file snd_mixer_oss_file_t; + +typedef int (*snd_mixer_oss_get_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *left, int *right); +typedef int (*snd_mixer_oss_put_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int left, int right); +typedef int (*snd_mixer_oss_get_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *active); +typedef int (*snd_mixer_oss_put_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int active); +typedef int (*snd_mixer_oss_get_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int *active_index); +typedef int (*snd_mixer_oss_put_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int active_index); + +#define SNDRV_OSS_MAX_MIXERS 32 + +struct _snd_oss_mixer_slot { + int number; + unsigned int stereo: 1; + snd_mixer_oss_get_volume_t get_volume; + snd_mixer_oss_put_volume_t put_volume; + snd_mixer_oss_get_recsrc_t get_recsrc; + snd_mixer_oss_put_recsrc_t put_recsrc; + unsigned long private_value; + void *private_data; + void (*private_free)(snd_mixer_oss_slot_t *slot); + int volume[2]; +}; + +struct _snd_oss_mixer { + snd_card_t *card; + char id[16]; + char name[32]; + snd_mixer_oss_slot_t slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */ + unsigned int mask_recsrc; /* exclusive recsrc mask */ + snd_mixer_oss_get_recsrce_t get_recsrc; + snd_mixer_oss_put_recsrce_t put_recsrc; + void *private_data_recsrc; + void (*private_free_recsrc)(snd_mixer_oss_t *mixer); + struct semaphore reg_mutex; + snd_info_entry_t *proc_entry; + int oss_dev_alloc; + /* --- */ + int oss_recsrc; +}; + +struct _snd_oss_file { + snd_card_t *card; + snd_mixer_oss_t *mixer; +}; + +#endif /* CONFIG_SND_MIXER_OSS */ + +#endif /* __SOUND_MIXER_OSS_H */ |