xref: /linux/sound/usb/midi.h (revision fbce3befd60d40639bf3c6b60f7477b2f988f92d)
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 */
63