LXR linux/include/sound/minors.h

   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           1       /* SNDRV_MINOR_GLOBAL + 0 * 32 */
  35#define SNDRV_MINOR_TIMER               33      /* SNDRV_MINOR_GLOBAL + 1 * 32 */
  36
  37#ifndef CONFIG_SND_DYNAMIC_MINORS
  38#define SNDRV_MINOR_COMPRESS            2       /* 2 - 3 */
  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#define SNDRV_DEVICE_TYPE_COMPRESS      SNDRV_MINOR_COMPRESS
  53
  54#else /* CONFIG_SND_DYNAMIC_MINORS */
  55
  56enum {
  57        SNDRV_DEVICE_TYPE_CONTROL,
  58        SNDRV_DEVICE_TYPE_SEQUENCER,
  59        SNDRV_DEVICE_TYPE_TIMER,
  60        SNDRV_DEVICE_TYPE_HWDEP,
  61        SNDRV_DEVICE_TYPE_RAWMIDI,
  62        SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
  63        SNDRV_DEVICE_TYPE_PCM_CAPTURE,
  64        SNDRV_DEVICE_TYPE_COMPRESS,
  65};
  66
  67#endif /* CONFIG_SND_DYNAMIC_MINORS */
  68
  69#define SNDRV_MINOR_HWDEPS              4
  70#define SNDRV_MINOR_RAWMIDIS            8
  71#define SNDRV_MINOR_PCMS                8
  72
  73
  74#ifdef CONFIG_SND_OSSEMUL
  75
  76#define SNDRV_MINOR_OSS_DEVICES         16
  77#define SNDRV_MINOR_OSS_CARD(minor)     ((minor) >> 4)
  78#define SNDRV_MINOR_OSS_DEVICE(minor)   ((minor) & 0x000f)
  79#define SNDRV_MINOR_OSS(card, dev)      (((card) << 4) | (dev))
  80
  81#define SNDRV_MINOR_OSS_MIXER           0       /* /dev/mixer - OSS 3.XX compatible */
  82#define SNDRV_MINOR_OSS_SEQUENCER       1       /* /dev/sequencer - OSS 3.XX compatible */
  83#define SNDRV_MINOR_OSS_MIDI            2       /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
  84#define SNDRV_MINOR_OSS_PCM             3       /* alias */
  85#define SNDRV_MINOR_OSS_PCM_8           3       /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
  86#define SNDRV_MINOR_OSS_AUDIO           4       /* /dev/audio - SunSparc compatible */
  87#define SNDRV_MINOR_OSS_PCM_16          5       /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
  88#define SNDRV_MINOR_OSS_SNDSTAT         6       /* /dev/sndstat - for compatibility with OSS */
  89#define SNDRV_MINOR_OSS_RESERVED7       7       /* reserved for future use */
  90#define SNDRV_MINOR_OSS_MUSIC           8       /* /dev/music - OSS 3.XX compatible */
  91#define SNDRV_MINOR_OSS_DMMIDI          9       /* /dev/dmmidi0 - this device can have another minor # with OSS */
  92#define SNDRV_MINOR_OSS_DMFM            10      /* /dev/dmfm0 - this device can have another minor # with OSS */
  93#define SNDRV_MINOR_OSS_MIXER1          11      /* alternate mixer */
  94#define SNDRV_MINOR_OSS_PCM1            12      /* alternate PCM (GF-A-1) */
  95#define SNDRV_MINOR_OSS_MIDI1           13      /* alternate midi - SYNTH */
  96#define SNDRV_MINOR_OSS_DMMIDI1         14      /* alternate dmmidi - SYNTH */
  97#define SNDRV_MINOR_OSS_RESERVED15      15      /* reserved for future use */
  98
  99#define SNDRV_OSS_DEVICE_TYPE_MIXER     0
 100#define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1
 101#define SNDRV_OSS_DEVICE_TYPE_PCM       2
 102#define SNDRV_OSS_DEVICE_TYPE_MIDI      3
 103#define SNDRV_OSS_DEVICE_TYPE_DMFM      4
 104#define SNDRV_OSS_DEVICE_TYPE_SNDSTAT   5
 105#define SNDRV_OSS_DEVICE_TYPE_MUSIC     6
 106
 107#define MODULE_ALIAS_SNDRV_MINOR(type) \
 108        MODULE_ALIAS("sound-service-?-" __stringify(type))
 109
 110#endif
 111
 112#endif /* __SOUND_MINORS_H */
 113