xref: /linux/include/sound/minors.h (revision 8fa5723aa7e053d498336b48448b292fc2e0458b)
1 #ifndef __SOUND_MINORS_H
2 #define __SOUND_MINORS_H
3 
4 /*
5  *  MINOR numbers
6  *
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */
23 
24 #define SNDRV_OS_MINORS			256
25 
26 #define SNDRV_MINOR_DEVICES		32
27 #define SNDRV_MINOR_CARD(minor)		((minor) >> 5)
28 #define SNDRV_MINOR_DEVICE(minor)	((minor) & 0x001f)
29 #define SNDRV_MINOR(card, dev)		(((card) << 5) | (dev))
30 
31 /* these minors can still be used for autoloading devices (/dev/aload*) */
32 #define SNDRV_MINOR_CONTROL		0	/* 0 */
33 #define SNDRV_MINOR_GLOBAL		1	/* 1 */
34 #define SNDRV_MINOR_SEQUENCER		(SNDRV_MINOR_GLOBAL + 0 * 32)
35 #define SNDRV_MINOR_TIMER		(SNDRV_MINOR_GLOBAL + 1 * 32)
36 
37 #ifndef CONFIG_SND_DYNAMIC_MINORS
38 						/* 2 - 3 (reserved) */
39 #define SNDRV_MINOR_HWDEP		4	/* 4 - 7 */
40 #define SNDRV_MINOR_RAWMIDI		8	/* 8 - 15 */
41 #define SNDRV_MINOR_PCM_PLAYBACK	16	/* 16 - 23 */
42 #define SNDRV_MINOR_PCM_CAPTURE		24	/* 24 - 31 */
43 
44 /* same as first respective minor number to make minor allocation easier */
45 #define SNDRV_DEVICE_TYPE_CONTROL	SNDRV_MINOR_CONTROL
46 #define SNDRV_DEVICE_TYPE_HWDEP		SNDRV_MINOR_HWDEP
47 #define SNDRV_DEVICE_TYPE_RAWMIDI	SNDRV_MINOR_RAWMIDI
48 #define SNDRV_DEVICE_TYPE_PCM_PLAYBACK	SNDRV_MINOR_PCM_PLAYBACK
49 #define SNDRV_DEVICE_TYPE_PCM_CAPTURE	SNDRV_MINOR_PCM_CAPTURE
50 #define SNDRV_DEVICE_TYPE_SEQUENCER	SNDRV_MINOR_SEQUENCER
51 #define SNDRV_DEVICE_TYPE_TIMER		SNDRV_MINOR_TIMER
52 
53 #else /* CONFIG_SND_DYNAMIC_MINORS */
54 
55 enum {
56 	SNDRV_DEVICE_TYPE_CONTROL,
57 	SNDRV_DEVICE_TYPE_SEQUENCER,
58 	SNDRV_DEVICE_TYPE_TIMER,
59 	SNDRV_DEVICE_TYPE_HWDEP,
60 	SNDRV_DEVICE_TYPE_RAWMIDI,
61 	SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
62 	SNDRV_DEVICE_TYPE_PCM_CAPTURE,
63 };
64 
65 #endif /* CONFIG_SND_DYNAMIC_MINORS */
66 
67 #define SNDRV_MINOR_HWDEPS		4
68 #define SNDRV_MINOR_RAWMIDIS		8
69 #define SNDRV_MINOR_PCMS		8
70 
71 
72 #ifdef CONFIG_SND_OSSEMUL
73 
74 #define SNDRV_MINOR_OSS_DEVICES		16
75 #define SNDRV_MINOR_OSS_CARD(minor)	((minor) >> 4)
76 #define SNDRV_MINOR_OSS_DEVICE(minor)	((minor) & 0x000f)
77 #define SNDRV_MINOR_OSS(card, dev)	(((card) << 4) | (dev))
78 
79 #define SNDRV_MINOR_OSS_MIXER		0	/* /dev/mixer - OSS 3.XX compatible */
80 #define SNDRV_MINOR_OSS_SEQUENCER	1	/* /dev/sequencer - OSS 3.XX compatible */
81 #define	SNDRV_MINOR_OSS_MIDI		2	/* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
82 #define SNDRV_MINOR_OSS_PCM		3	/* alias */
83 #define SNDRV_MINOR_OSS_PCM_8		3	/* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
84 #define SNDRV_MINOR_OSS_AUDIO		4	/* /dev/audio - SunSparc compatible */
85 #define SNDRV_MINOR_OSS_PCM_16		5	/* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
86 #define SNDRV_MINOR_OSS_SNDSTAT		6	/* /dev/sndstat - for compatibility with OSS */
87 #define SNDRV_MINOR_OSS_RESERVED7	7	/* reserved for future use */
88 #define SNDRV_MINOR_OSS_MUSIC		8	/* /dev/music - OSS 3.XX compatible */
89 #define SNDRV_MINOR_OSS_DMMIDI		9	/* /dev/dmmidi0 - this device can have another minor # with OSS */
90 #define SNDRV_MINOR_OSS_DMFM		10	/* /dev/dmfm0 - this device can have another minor # with OSS */
91 #define SNDRV_MINOR_OSS_MIXER1		11	/* alternate mixer */
92 #define SNDRV_MINOR_OSS_PCM1		12	/* alternate PCM (GF-A-1) */
93 #define SNDRV_MINOR_OSS_MIDI1		13	/* alternate midi - SYNTH */
94 #define SNDRV_MINOR_OSS_DMMIDI1		14	/* alternate dmmidi - SYNTH */
95 #define SNDRV_MINOR_OSS_RESERVED15	15	/* reserved for future use */
96 
97 #define SNDRV_OSS_DEVICE_TYPE_MIXER	0
98 #define SNDRV_OSS_DEVICE_TYPE_SEQUENCER	1
99 #define SNDRV_OSS_DEVICE_TYPE_PCM	2
100 #define SNDRV_OSS_DEVICE_TYPE_MIDI	3
101 #define SNDRV_OSS_DEVICE_TYPE_DMFM	4
102 #define SNDRV_OSS_DEVICE_TYPE_SNDSTAT	5
103 #define SNDRV_OSS_DEVICE_TYPE_MUSIC	6
104 
105 #define MODULE_ALIAS_SNDRV_MINOR(type) \
106 	MODULE_ALIAS("sound-service-?-" __stringify(type))
107 
108 #endif
109 
110 #endif /* __SOUND_MINORS_H */
111