LXR linux/sound/usb/midi.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __USBMIDI_H
   3#define __USBMIDI_H
   4
   5/* maximum number of endpoints per interface */
   6#define MIDI_MAX_ENDPOINTS 2
   7
   8/* data for QUIRK_MIDI_FIXED_ENDPOINT */
   9struct snd_usb_midi_endpoint_info {
  10        int8_t   out_ep;        /* ep number, 0 autodetect */
  11        uint8_t  out_interval;  /* interval for interrupt endpoints */
  12        int8_t   in_ep;
  13        uint8_t  in_interval;
  14        uint16_t out_cables;    /* bitmask */
  15        uint16_t in_cables;     /* bitmask */
  16        int16_t  assoc_in_jacks[16];
  17        int16_t  assoc_out_jacks[16];
  18};
  19
  20/* for QUIRK_MIDI_YAMAHA, data is NULL */
  21
  22/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
  23 * structure (out_cables and in_cables only) */
  24
  25/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
  26 * structures, terminated with .ifnum = -1 */
  27
  28/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
  29
  30/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
  31
  32/* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
  33
  34/* for QUIRK_IGNORE_INTERFACE, data is NULL */
  35
  36/* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
  37
  38/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
  39 * structure (out_cables and in_cables only) */
  40
  41/* for QUIRK_MIDI_CME, data is NULL */
  42
  43/* for QUIRK_MIDI_AKAI, data is NULL */
  44
  45int __snd_usbmidi_create(struct snd_card *card,
  46                         struct usb_interface *iface,
  47                         struct list_head *midi_list,
  48                         const struct snd_usb_audio_quirk *quirk,
  49                         unsigned int usb_id);
  50
  51static inline int snd_usbmidi_create(struct snd_card *card,
  52                       struct usb_interface *iface,
  53                       struct list_head *midi_list,
  54                       const struct snd_usb_audio_quirk *quirk)
  55{
  56        return __snd_usbmidi_create(card, iface, midi_list, quirk, 0);
  57}
  58
  59void snd_usbmidi_input_stop(struct list_head *p);
  60void snd_usbmidi_input_start(struct list_head *p);
  61void snd_usbmidi_disconnect(struct list_head *p);
  62void snd_usbmidi_suspend(struct list_head *p);
  63void snd_usbmidi_resume(struct list_head *p);
  64
  65#endif /* __USBMIDI_H */
  66