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CHIP-linux-l...
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sound
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usb
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midi.h

midi.h 1.6 KB
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  1. #ifndef __USBMIDI_H
    2. 

  2. #define __USBMIDI_H
    3. 

  3. 

  4. /* maximum number of endpoints per interface */
    5. 

  5. #define MIDI_MAX_ENDPOINTS 2
    6. 

  6. 

  7. /* data for QUIRK_MIDI_FIXED_ENDPOINT */
    8. 

  8. struct snd_usb_midi_endpoint_info {
    9. 

  9. 	int8_t   out_ep;	/* ep number, 0 autodetect */
    10. 

  10. 	uint8_t  out_interval;	/* interval for interrupt endpoints */
    11. 

  11. 	int8_t   in_ep;
    12. 

  12. 	uint8_t  in_interval;
    13. 

  13. 	uint16_t out_cables;	/* bitmask */
    14. 

  14. 	uint16_t in_cables;	/* bitmask */
    15. 

  15. };
    16. 

  16. 

  17. /* for QUIRK_MIDI_YAMAHA, data is NULL */
    18. 

  18. 

  19. /* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
    20. 

  20.  * structure (out_cables and in_cables only) */
    21. 

  21. 

  22. /* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
    23. 

  23.  * structures, terminated with .ifnum = -1 */
    24. 

  24. 

  25. /* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
    26. 

  26. 

  27. /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
    28. 

  28. 

  29. /* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
    30. 

  30. 

  31. /* for QUIRK_IGNORE_INTERFACE, data is NULL */
    32. 

  32. 

  33. /* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
    34. 

  34. 

  35. /* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
    36. 

  36.  * structure (out_cables and in_cables only) */
    37. 

  37. 

  38. /* for QUIRK_MIDI_CME, data is NULL */
    39. 

  39. 

  40. /* for QUIRK_MIDI_AKAI, data is NULL */
    41. 

  41. 

  42. int snd_usbmidi_create(struct snd_card *card,
    43. 

  43. 		       struct usb_interface *iface,
    44. 

  44. 		       struct list_head *midi_list,
    45. 

  45. 		       const struct snd_usb_audio_quirk *quirk);
    46. 

  46. void snd_usbmidi_input_stop(struct list_head *p);
    47. 

  47. void snd_usbmidi_input_start(struct list_head *p);
    48. 

  48. void snd_usbmidi_disconnect(struct list_head *p);
    49. 

  49. void snd_usbmidi_suspend(struct list_head *p);
    50. 

  50. void snd_usbmidi_resume(struct list_head *p);
    51. 

  51. 

  52. #endif /* __USBMIDI_H */
    53. 

  53.