include/linux/sound.h

   1 #ifndef _LINUX_SOUND_H
   2 #define _LINUX_SOUND_H
   3
   4 /*
   5  * Minor numbers for the sound driver.
   6  */
   7
   8 #include <linux/fs.h>
   9
  10 #define SND_DEV_CTL             0       /* Control port /dev/mixer */
  11 #define SND_DEV_SEQ             1       /* Sequencer output /dev/sequencer (FM
  12                                                 synthesizer and MIDI output) */
  13 #define SND_DEV_MIDIN           2       /* Raw midi access */
  14 #define SND_DEV_DSP             3       /* Digitized voice /dev/dsp */
  15 #define SND_DEV_AUDIO           4       /* Sparc compatible /dev/audio */
  16 #define SND_DEV_DSP16           5       /* Like /dev/dsp but 16 bits/sample */
  17 /* #define SND_DEV_STATUS       6 */    /* /dev/sndstat (obsolete) */
  18 #define SND_DEV_UNUSED          6
  19 #define SND_DEV_AWFM            7       /* Reserved */
  20 #define SND_DEV_SEQ2            8       /* /dev/sequencer, level 2 interface */
  21 /* #define SND_DEV_SNDPROC      9 */    /* /dev/sndproc for programmable devices (not used) */
  22 /* #define SND_DEV_DMMIDI       9 */
  23 #define SND_DEV_SYNTH           9       /* Raw synth access /dev/synth (same as /dev/dmfm) */
  24 #define SND_DEV_DMFM            10      /* Raw synth access /dev/dmfm */
  25 #define SND_DEV_UNKNOWN11       11
  26 #define SND_DEV_ADSP            12      /* Like /dev/dsp (obsolete) */
  27 #define SND_DEV_AMIDI           13      /* Like /dev/midi (obsolete) */
  28 #define SND_DEV_ADMMIDI         14      /* Like /dev/dmmidi (onsolete) */
  29
  30 #ifdef __KERNEL__
  31 /*
  32  *      Sound core interface functions
  33  */
  34
  35 struct device;
  36 extern int register_sound_special(const struct file_operations *fops, int unit);
  37 extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
  38 extern int register_sound_mixer(const struct file_operations *fops, int dev);
  39 extern int register_sound_midi(const struct file_operations *fops, int dev);
  40 extern int register_sound_dsp(const struct file_operations *fops, int dev);
  41
  42 extern void unregister_sound_special(int unit);
  43 extern void unregister_sound_mixer(int unit);
  44 extern void unregister_sound_midi(int unit);
  45 extern void unregister_sound_dsp(int unit);
  46 #endif /* __KERNEL__ */
  47
  48 #endif /* _LINUX_SOUND_H */