sound.h 1.7 KB

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