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