root/include/sound/minors.h

INCLUDED FROM

   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 */