minors.h (3738B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2#ifndef __SOUND_MINORS_H 3#define __SOUND_MINORS_H 4 5/* 6 * MINOR numbers 7 */ 8 9#define SNDRV_OS_MINORS 256 10 11#define SNDRV_MINOR_DEVICES 32 12#define SNDRV_MINOR_CARD(minor) ((minor) >> 5) 13#define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f) 14#define SNDRV_MINOR(card, dev) (((card) << 5) | (dev)) 15 16/* these minors can still be used for autoloading devices (/dev/aload*) */ 17#define SNDRV_MINOR_CONTROL 0 /* 0 */ 18#define SNDRV_MINOR_GLOBAL 1 /* 1 */ 19#define SNDRV_MINOR_SEQUENCER 1 /* SNDRV_MINOR_GLOBAL + 0 * 32 */ 20#define SNDRV_MINOR_TIMER 33 /* SNDRV_MINOR_GLOBAL + 1 * 32 */ 21 22#ifndef CONFIG_SND_DYNAMIC_MINORS 23#define SNDRV_MINOR_COMPRESS 2 /* 2 - 3 */ 24#define SNDRV_MINOR_HWDEP 4 /* 4 - 7 */ 25#define SNDRV_MINOR_RAWMIDI 8 /* 8 - 15 */ 26#define SNDRV_MINOR_PCM_PLAYBACK 16 /* 16 - 23 */ 27#define SNDRV_MINOR_PCM_CAPTURE 24 /* 24 - 31 */ 28 29/* same as first respective minor number to make minor allocation easier */ 30#define SNDRV_DEVICE_TYPE_CONTROL SNDRV_MINOR_CONTROL 31#define SNDRV_DEVICE_TYPE_HWDEP SNDRV_MINOR_HWDEP 32#define SNDRV_DEVICE_TYPE_RAWMIDI SNDRV_MINOR_RAWMIDI 33#define SNDRV_DEVICE_TYPE_PCM_PLAYBACK SNDRV_MINOR_PCM_PLAYBACK 34#define SNDRV_DEVICE_TYPE_PCM_CAPTURE SNDRV_MINOR_PCM_CAPTURE 35#define SNDRV_DEVICE_TYPE_SEQUENCER SNDRV_MINOR_SEQUENCER 36#define SNDRV_DEVICE_TYPE_TIMER SNDRV_MINOR_TIMER 37#define SNDRV_DEVICE_TYPE_COMPRESS SNDRV_MINOR_COMPRESS 38 39#else /* CONFIG_SND_DYNAMIC_MINORS */ 40 41enum { 42 SNDRV_DEVICE_TYPE_CONTROL, 43 SNDRV_DEVICE_TYPE_SEQUENCER, 44 SNDRV_DEVICE_TYPE_TIMER, 45 SNDRV_DEVICE_TYPE_HWDEP, 46 SNDRV_DEVICE_TYPE_RAWMIDI, 47 SNDRV_DEVICE_TYPE_PCM_PLAYBACK, 48 SNDRV_DEVICE_TYPE_PCM_CAPTURE, 49 SNDRV_DEVICE_TYPE_COMPRESS, 50}; 51 52#endif /* CONFIG_SND_DYNAMIC_MINORS */ 53 54#define SNDRV_MINOR_HWDEPS 4 55#define SNDRV_MINOR_RAWMIDIS 8 56#define SNDRV_MINOR_PCMS 8 57 58 59#ifdef CONFIG_SND_OSSEMUL 60 61#define SNDRV_MINOR_OSS_DEVICES 16 62#define SNDRV_MINOR_OSS_CARD(minor) ((minor) >> 4) 63#define SNDRV_MINOR_OSS_DEVICE(minor) ((minor) & 0x000f) 64#define SNDRV_MINOR_OSS(card, dev) (((card) << 4) | (dev)) 65 66#define SNDRV_MINOR_OSS_MIXER 0 /* /dev/mixer - OSS 3.XX compatible */ 67#define SNDRV_MINOR_OSS_SEQUENCER 1 /* /dev/sequencer - OSS 3.XX compatible */ 68#define SNDRV_MINOR_OSS_MIDI 2 /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */ 69#define SNDRV_MINOR_OSS_PCM 3 /* alias */ 70#define SNDRV_MINOR_OSS_PCM_8 3 /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */ 71#define SNDRV_MINOR_OSS_AUDIO 4 /* /dev/audio - SunSparc compatible */ 72#define SNDRV_MINOR_OSS_PCM_16 5 /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */ 73#define SNDRV_MINOR_OSS_SNDSTAT 6 /* /dev/sndstat - for compatibility with OSS */ 74#define SNDRV_MINOR_OSS_RESERVED7 7 /* reserved for future use */ 75#define SNDRV_MINOR_OSS_MUSIC 8 /* /dev/music - OSS 3.XX compatible */ 76#define SNDRV_MINOR_OSS_DMMIDI 9 /* /dev/dmmidi0 - this device can have another minor # with OSS */ 77#define SNDRV_MINOR_OSS_DMFM 10 /* /dev/dmfm0 - this device can have another minor # with OSS */ 78#define SNDRV_MINOR_OSS_MIXER1 11 /* alternate mixer */ 79#define SNDRV_MINOR_OSS_PCM1 12 /* alternate PCM (GF-A-1) */ 80#define SNDRV_MINOR_OSS_MIDI1 13 /* alternate midi - SYNTH */ 81#define SNDRV_MINOR_OSS_DMMIDI1 14 /* alternate dmmidi - SYNTH */ 82#define SNDRV_MINOR_OSS_RESERVED15 15 /* reserved for future use */ 83 84#define SNDRV_OSS_DEVICE_TYPE_MIXER 0 85#define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1 86#define SNDRV_OSS_DEVICE_TYPE_PCM 2 87#define SNDRV_OSS_DEVICE_TYPE_MIDI 3 88#define SNDRV_OSS_DEVICE_TYPE_DMFM 4 89#define SNDRV_OSS_DEVICE_TYPE_SNDSTAT 5 90#define SNDRV_OSS_DEVICE_TYPE_MUSIC 6 91 92#define MODULE_ALIAS_SNDRV_MINOR(type) \ 93 MODULE_ALIAS("sound-service-?-" __stringify(type)) 94 95#endif 96 97#endif /* __SOUND_MINORS_H */