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66 lines
1.7 KiB
66 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef __SOUND_MIXER_OSS_H |
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#define __SOUND_MIXER_OSS_H |
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/* |
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* OSS MIXER API |
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* Copyright (c) by Jaroslav Kysela <[email protected]> |
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*/ |
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#if IS_ENABLED(CONFIG_SND_MIXER_OSS) |
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#define SNDRV_OSS_MAX_MIXERS 32 |
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struct snd_mixer_oss_file; |
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struct snd_mixer_oss_slot { |
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int number; |
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unsigned int stereo: 1; |
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int (*get_volume)(struct snd_mixer_oss_file *fmixer, |
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struct snd_mixer_oss_slot *chn, |
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int *left, int *right); |
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int (*put_volume)(struct snd_mixer_oss_file *fmixer, |
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struct snd_mixer_oss_slot *chn, |
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int left, int right); |
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int (*get_recsrc)(struct snd_mixer_oss_file *fmixer, |
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struct snd_mixer_oss_slot *chn, |
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int *active); |
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int (*put_recsrc)(struct snd_mixer_oss_file *fmixer, |
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struct snd_mixer_oss_slot *chn, |
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int active); |
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unsigned long private_value; |
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void *private_data; |
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void (*private_free)(struct snd_mixer_oss_slot *slot); |
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int volume[2]; |
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}; |
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struct snd_mixer_oss { |
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struct snd_card *card; |
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char id[16]; |
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char name[32]; |
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struct snd_mixer_oss_slot slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */ |
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unsigned int mask_recsrc; /* exclusive recsrc mask */ |
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int (*get_recsrc)(struct snd_mixer_oss_file *fmixer, |
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unsigned int *active_index); |
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int (*put_recsrc)(struct snd_mixer_oss_file *fmixer, |
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unsigned int active_index); |
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void *private_data_recsrc; |
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void (*private_free_recsrc)(struct snd_mixer_oss *mixer); |
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struct mutex reg_mutex; |
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struct snd_info_entry *proc_entry; |
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int oss_dev_alloc; |
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/* --- */ |
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int oss_recsrc; |
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}; |
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struct snd_mixer_oss_file { |
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struct snd_card *card; |
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struct snd_mixer_oss *mixer; |
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}; |
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int snd_mixer_oss_ioctl_card(struct snd_card *card, |
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unsigned int cmd, unsigned long arg); |
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#endif /* CONFIG_SND_MIXER_OSS */ |
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#endif /* __SOUND_MIXER_OSS_H */
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