sound/usb/midi.h

   1 #ifndef __USBMIDI_H
   2 #define __USBMIDI_H
   3
   4 /* maximum number of endpoints per interface */
   5 #define MIDI_MAX_ENDPOINTS 2
   6
   7 /* data for QUIRK_MIDI_FIXED_ENDPOINT */
   8 struct snd_usb_midi_endpoint_info {
   9         int8_t   out_ep;        /* ep number, 0 autodetect */
  10         uint8_t  out_interval;  /* interval for interrupt endpoints */
  11         int8_t   in_ep;
  12         uint8_t  in_interval;
  13         uint16_t out_cables;    /* bitmask */
  14         uint16_t in_cables;     /* bitmask */
  15 };
  16
  17 /* for QUIRK_MIDI_YAMAHA, data is NULL */
  18
  19 /* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
  20  * structure (out_cables and in_cables only) */
  21
  22 /* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
  23  * structures, terminated with .ifnum = -1 */
  24
  25 /* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
  26
  27 /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
  28
  29 /* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
  30
  31 /* for QUIRK_IGNORE_INTERFACE, data is NULL */
  32
  33 /* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
  34
  35 /* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
  36  * structure (out_cables and in_cables only) */
  37
  38 /* for QUIRK_MIDI_CME, data is NULL */
  39
  40 /* for QUIRK_MIDI_AKAI, data is NULL */
  41
  42 int __snd_usbmidi_create(struct snd_card *card,
  43                          struct usb_interface *iface,
  44                          struct list_head *midi_list,
  45                          const struct snd_usb_audio_quirk *quirk,
  46                          unsigned int usb_id);
  47
  48 static inline int snd_usbmidi_create(struct snd_card *card,
  49                        struct usb_interface *iface,
  50                        struct list_head *midi_list,
  51                        const struct snd_usb_audio_quirk *quirk)
  52 {
  53         return __snd_usbmidi_create(card, iface, midi_list, quirk, 0);
  54 }
  55
  56 void snd_usbmidi_input_stop(struct list_head *p);
  57 void snd_usbmidi_input_start(struct list_head *p);
  58 void snd_usbmidi_disconnect(struct list_head *p);
  59 void snd_usbmidi_suspend(struct list_head *p);
  60 void snd_usbmidi_resume(struct list_head *p);
  61
  62 #endif /* __USBMIDI_H */