#ifndef __SOUND_MIXER_OSS_H
#define __SOUND_MIXER_OSS_H

/*
* OSS MIXER API
* Copyright (c) by Jaroslav Kysela <[email protected]>
*
*
* 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)

#define SNDRV_OSS_MAX_MIXERS 32

struct snd_mixer_oss_file;

struct snd_mixer_oss_slot {
int number;
unsigned int stereo: 1;
int (*get_volume)(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *chn,
int *left, int *right);
int (*put_volume)(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *chn,
int left, int right);
int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *chn,
int *active);
int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *chn,
int active);
unsigned long private_value;
void *private_data;
void (*private_free)(struct snd_mixer_oss_slot *slot);
int volume[2];
};

struct snd_mixer_oss {
struct snd_card *card;
char id[16];
char name[32];
struct snd_mixer_oss_slot slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
unsigned int mask_recsrc; /* exclusive recsrc mask */
int (*get_recsrc)(struct snd_mixer_oss_file *fmixer,
unsigned int *active_index);
int (*put_recsrc)(struct snd_mixer_oss_file *fmixer,
unsigned int active_index);
void *private_data_recsrc;
void (*private_free_recsrc)(struct snd_mixer_oss *mixer);
struct mutex reg_mutex;
struct snd_info_entry *proc_entry;
int oss_dev_alloc;
/* --- */
int oss_recsrc;
};

struct snd_mixer_oss_file {
struct snd_card *card;
struct snd_mixer_oss *mixer;
};

int snd_mixer_oss_ioctl_card(struct snd_card *card,
unsigned int cmd, unsigned long arg);

#endif /* CONFIG_SND_MIXER_OSS */

#endif /* __SOUND_MIXER_OSS_H */