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 */
98