include/linux/sound.h

   1
   2 /*
   3  * Minor numbers for the sound driver.
   4  */
   5
   6 #include <linux/fs.h>
   7
   8 #define SND_DEV_CTL             0       /* Control port /dev/mixer */
   9 #define SND_DEV_SEQ             1       /* Sequencer output /dev/sequencer (FM
  10                                                 synthesizer and MIDI output) */
  11 #define SND_DEV_MIDIN           2       /* Raw midi access */
  12 #define SND_DEV_DSP             3       /* Digitized voice /dev/dsp */
  13 #define SND_DEV_AUDIO           4       /* Sparc compatible /dev/audio */
  14 #define SND_DEV_DSP16           5       /* Like /dev/dsp but 16 bits/sample */
  15 /* #define SND_DEV_STATUS       6 */    /* /dev/sndstat (obsolete) */
  16 #define SND_DEV_UNUSED          6
  17 #define SND_DEV_AWFM            7       /* Reserved */
  18 #define SND_DEV_SEQ2            8       /* /dev/sequencer, level 2 interface */
  19 /* #define SND_DEV_SNDPROC      9 */    /* /dev/sndproc for programmable devices (not used) */
  20 /* #define SND_DEV_DMMIDI       9 */
  21 #define SND_DEV_SYNTH           9       /* Raw synth access /dev/synth (same as /dev/dmfm) */
  22 #define SND_DEV_DMFM            10      /* Raw synth access /dev/dmfm */
  23 #define SND_DEV_UNKNOWN11       11
  24 #define SND_DEV_ADSP            12      /* Like /dev/dsp (obsolete) */
  25 #define SND_DEV_AMIDI           13      /* Like /dev/midi (obsolete) */
  26 #define SND_DEV_ADMMIDI         14      /* Like /dev/dmmidi (onsolete) */
  27
  28 /*
  29  *      Sound core interface functions
  30  */
  31
  32 struct device;
  33 extern int register_sound_special(const struct file_operations *fops, int unit);
  34 extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
  35 extern int register_sound_mixer(const struct file_operations *fops, int dev);
  36 extern int register_sound_midi(const struct file_operations *fops, int dev);
  37 extern int register_sound_dsp(const struct file_operations *fops, int dev);
  38 extern int register_sound_synth(const struct file_operations *fops, int dev);
  39
  40 extern void unregister_sound_special(int unit);
  41 extern void unregister_sound_mixer(int unit);
  42 extern void unregister_sound_midi(int unit);
  43 extern void unregister_sound_dsp(int unit);
  44 extern void unregister_sound_synth(int unit);