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  
41  enum {
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