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#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 */
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