/usr/src/linux-headers-5.15.0-181/include/sound
Edit: /usr/src/linux-headers-5.15.0-181/include/sound/minors.h (3738B)
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_MINORS_H
#define __SOUND_MINORS_H
/*
* MINOR numbers
*/
#define SNDRV_OS_MINORS 256
#define SNDRV_MINOR_DEVICES 32
#define SNDRV_MINOR_CARD(minor) ((minor) >> 5)
#define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f)
#define SNDRV_MINOR(card, dev) (((card) << 5) | (dev))
/* these minors can still be used for autoloading devices (/dev/aload*) */
#define SNDRV_MINOR_CONTROL 0 /* 0 */
#define SNDRV_MINOR_GLOBAL 1 /* 1 */
#define SNDRV_MINOR_SEQUENCER 1 /* SNDRV_MINOR_GLOBAL + 0 * 32 */
#define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */
#ifndef CONFIG_SND_DYNAMIC_MINORS
#define SNDRV_MINOR_COMPRESS 2 /* 2 - 3 */
#define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */
#define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */
#define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */
#define SNDRV_MINOR_PCM_CAPTURE 24 /* 24 - 31 */
/* same as first respective minor number to make minor allocation easier */
#define SNDRV_DEVICE_TYPE_CONTROL SNDRV_MINOR_CONTROL
#define SNDRV_DEVICE_TYPE_HWDEP SNDRV_MINOR_HWDEP
#define SNDRV_DEVICE_TYPE_RAWMIDI SNDRV_MINOR_RAWMIDI
#define SNDRV_DEVICE_TYPE_PCM_PLAYBACK SNDRV_MINOR_PCM_PLAYBACK
#define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE
#define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER
#define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER
#define SNDRV_DEVICE_TYPE_COMPRESS SNDRV_MINOR_COMPRESS
#else /* CONFIG_SND_DYNAMIC_MINORS */
enum {
SNDRV_DEVICE_TYPE_CONTROL,
SNDRV_DEVICE_TYPE_SEQUENCER,
SNDRV_DEVICE_TYPE_TIMER,
SNDRV_DEVICE_TYPE_HWDEP,
SNDRV_DEVICE_TYPE_RAWMIDI,
SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
SNDRV_DEVICE_TYPE_PCM_CAPTURE,
SNDRV_DEVICE_TYPE_COMPRESS,
};
#endif /* CONFIG_SND_DYNAMIC_MINORS */
#define SNDRV_MINOR_HWDEPS 4
#define SNDRV_MINOR_RAWMIDIS 8
#define SNDRV_MINOR_PCMS 8
#ifdef CONFIG_SND_OSSEMUL
#define SNDRV_MINOR_OSS_DEVICES 16
#define SNDRV_MINOR_OSS_CARD(minor) ((minor) >> 4)
#define SNDRV_MINOR_OSS_DEVICE(minor) ((minor) & 0x000f)
#define SNDRV_MINOR_OSS(card, dev) (((card) << 4) | (dev))
#define SNDRV_MINOR_OSS_MIXER 0 /* /dev/mixer - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_SEQUENCER 1 /* /dev/sequencer - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_MIDI 2 /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
#define SNDRV_MINOR_OSS_PCM 3 /* alias */
#define SNDRV_MINOR_OSS_PCM_8 3 /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_AUDIO 4 /* /dev/audio - SunSparc compatible */
#define SNDRV_MINOR_OSS_PCM_16 5 /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_SNDSTAT 6 /* /dev/sndstat - for compatibility with OSS */
#define SNDRV_MINOR_OSS_RESERVED7 7 /* reserved for future use */
#define SNDRV_MINOR_OSS_MUSIC 8 /* /dev/music - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_DMMIDI 9 /* /dev/dmmidi0 - this device can have another minor # with OSS */
#define SNDRV_MINOR_OSS_DMFM 10 /* /dev/dmfm0 - this device can have another minor # with OSS */
#define SNDRV_MINOR_OSS_MIXER1 11 /* alternate mixer */
#define SNDRV_MINOR_OSS_PCM1 12 /* alternate PCM (GF-A-1) */
#define SNDRV_MINOR_OSS_MIDI1 13 /* alternate midi - SYNTH */
#define SNDRV_MINOR_OSS_DMMIDI1 14 /* alternate dmmidi - SYNTH */
#define SNDRV_MINOR_OSS_RESERVED15 15 /* reserved for future use */
#define SNDRV_OSS_DEVICE_TYPE_MIXER 0
#define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1
#define SNDRV_OSS_DEVICE_TYPE_PCM 2
#define SNDRV_OSS_DEVICE_TYPE_MIDI 3
#define SNDRV_OSS_DEVICE_TYPE_DMFM 4
#define SNDRV_OSS_DEVICE_TYPE_SNDSTAT 5
#define SNDRV_OSS_DEVICE_TYPE_MUSIC 6
#define MODULE_ALIAS_SNDRV_MINOR(type) \
MODULE_ALIAS("sound-service-?-" __stringify(type))
#endif
#endif /* __SOUND_MINORS_H */