| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- /* 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 <[email protected]>
- */
- #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 */
|
