67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
#ifndef __SOUND_MIXER_OSS_H
|
||
|
|
#define __SOUND_MIXER_OSS_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* OSS MIXER API
|
||
|
|
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
|
||
|
|
|
||
|
|
#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 */
|