sound/usb/midi.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __USBMIDI_H
0003 #define __USBMIDI_H
0004
0005 /* maximum number of endpoints per interface */
0006 #define MIDI_MAX_ENDPOINTS 2
0007
0008 /* data for QUIRK_MIDI_FIXED_ENDPOINT */
0009 struct snd_usb_midi_endpoint_info {
0010     int8_t   out_ep;    /* ep number, 0 autodetect */
0011     uint8_t  out_interval;  /* interval for interrupt endpoints */
0012     int8_t   in_ep;
0013     uint8_t  in_interval;
0014     uint16_t out_cables;    /* bitmask */
0015     uint16_t in_cables; /* bitmask */
0016     int16_t  assoc_in_jacks[16];
0017     int16_t  assoc_out_jacks[16];
0018 };
0019
0020 /* for QUIRK_MIDI_YAMAHA, data is NULL */
0021
0022 /* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
0023  * structure (out_cables and in_cables only) */
0024
0025 /* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
0026  * structures, terminated with .ifnum = -1 */
0027
0028 /* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
0029
0030 /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
0031
0032 /* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
0033
0034 /* for QUIRK_IGNORE_INTERFACE, data is NULL */
0035
0036 /* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
0037
0038 /* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
0039  * structure (out_cables and in_cables only) */
0040
0041 /* for QUIRK_MIDI_CME, data is NULL */
0042
0043 /* for QUIRK_MIDI_AKAI, data is NULL */
0044
0045 int __snd_usbmidi_create(struct snd_card *card,
0046              struct usb_interface *iface,
0047              struct list_head *midi_list,
0048              const struct snd_usb_audio_quirk *quirk,
0049              unsigned int usb_id);
0050
0051 static inline int snd_usbmidi_create(struct snd_card *card,
0052                struct usb_interface *iface,
0053                struct list_head *midi_list,
0054                const struct snd_usb_audio_quirk *quirk)
0055 {
0056     return __snd_usbmidi_create(card, iface, midi_list, quirk, 0);
0057 }
0058
0059 void snd_usbmidi_input_stop(struct list_head *p);
0060 void snd_usbmidi_input_start(struct list_head *p);
0061 void snd_usbmidi_disconnect(struct list_head *p);
0062 void snd_usbmidi_suspend(struct list_head *p);
0063 void snd_usbmidi_resume(struct list_head *p);
0064
0065 #endif /* __USBMIDI_H */