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authorTakashi Iwai <tiwai@suse.de>2012-10-25 15:20:36 -0400
committerTakashi Iwai <tiwai@suse.de>2012-10-25 15:20:36 -0400
commitc64064ce9376a404e0888ca4a2985c8a4c16cec3 (patch)
treef34d3b84ca970fdb381dad9a195c1367ce5d10f4 /include/uapi/linux/usb/midi.h
parent21b3de881b38a84002c07b1b4bfb91892644e83f (diff)
parent456ba5a7802e58eccb5aa9751b3ab515ef99b9ca (diff)
Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.7 A couple of driver fixes, one that improves the interoperability of WM8994 with controllers that are sensitive to extra BCLK cycles and some build break fixes for ux500.
Diffstat (limited to 'include/uapi/linux/usb/midi.h')
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1 files changed, 112 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/midi.h b/include/uapi/linux/usb/midi.h
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1/*
2 * <linux/usb/midi.h> -- USB MIDI definitions.
3 *
4 * Copyright (C) 2006 Thumtronics Pty Ltd.
5 * Developed for Thumtronics by Grey Innovation
6 * Ben Williamson <ben.williamson@greyinnovation.com>
7 *
8 * This software is distributed under the terms of the GNU General Public
9 * License ("GPL") version 2, as published by the Free Software Foundation.
10 *
11 * This file holds USB constants and structures defined
12 * by the USB Device Class Definition for MIDI Devices.
13 * Comments below reference relevant sections of that document:
14 *
15 * http://www.usb.org/developers/devclass_docs/midi10.pdf
16 */
17
18#ifndef __LINUX_USB_MIDI_H
19#define __LINUX_USB_MIDI_H
20
21#include <linux/types.h>
22
23/* A.1 MS Class-Specific Interface Descriptor Subtypes */
24#define USB_MS_HEADER 0x01
25#define USB_MS_MIDI_IN_JACK 0x02
26#define USB_MS_MIDI_OUT_JACK 0x03
27#define USB_MS_ELEMENT 0x04
28
29/* A.2 MS Class-Specific Endpoint Descriptor Subtypes */
30#define USB_MS_GENERAL 0x01
31
32/* A.3 MS MIDI IN and OUT Jack Types */
33#define USB_MS_EMBEDDED 0x01
34#define USB_MS_EXTERNAL 0x02
35
36/* 6.1.2.1 Class-Specific MS Interface Header Descriptor */
37struct usb_ms_header_descriptor {
38 __u8 bLength;
39 __u8 bDescriptorType;
40 __u8 bDescriptorSubtype;
41 __le16 bcdMSC;
42 __le16 wTotalLength;
43} __attribute__ ((packed));
44
45#define USB_DT_MS_HEADER_SIZE 7
46
47/* 6.1.2.2 MIDI IN Jack Descriptor */
48struct usb_midi_in_jack_descriptor {
49 __u8 bLength;
50 __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
51 __u8 bDescriptorSubtype; /* USB_MS_MIDI_IN_JACK */
52 __u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */
53 __u8 bJackID;
54 __u8 iJack;
55} __attribute__ ((packed));
56
57#define USB_DT_MIDI_IN_SIZE 6
58
59struct usb_midi_source_pin {
60 __u8 baSourceID;
61 __u8 baSourcePin;
62} __attribute__ ((packed));
63
64/* 6.1.2.3 MIDI OUT Jack Descriptor */
65struct usb_midi_out_jack_descriptor {
66 __u8 bLength;
67 __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
68 __u8 bDescriptorSubtype; /* USB_MS_MIDI_OUT_JACK */
69 __u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */
70 __u8 bJackID;
71 __u8 bNrInputPins; /* p */
72 struct usb_midi_source_pin pins[]; /* [p] */
73 /*__u8 iJack; -- omitted due to variable-sized pins[] */
74} __attribute__ ((packed));
75
76#define USB_DT_MIDI_OUT_SIZE(p) (7 + 2 * (p))
77
78/* As above, but more useful for defining your own descriptors: */
79#define DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(p) \
80struct usb_midi_out_jack_descriptor_##p { \
81 __u8 bLength; \
82 __u8 bDescriptorType; \
83 __u8 bDescriptorSubtype; \
84 __u8 bJackType; \
85 __u8 bJackID; \
86 __u8 bNrInputPins; \
87 struct usb_midi_source_pin pins[p]; \
88 __u8 iJack; \
89} __attribute__ ((packed))
90
91/* 6.2.2 Class-Specific MS Bulk Data Endpoint Descriptor */
92struct usb_ms_endpoint_descriptor {
93 __u8 bLength; /* 4+n */
94 __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
95 __u8 bDescriptorSubtype; /* USB_MS_GENERAL */
96 __u8 bNumEmbMIDIJack; /* n */
97 __u8 baAssocJackID[]; /* [n] */
98} __attribute__ ((packed));
99
100#define USB_DT_MS_ENDPOINT_SIZE(n) (4 + (n))
101
102/* As above, but more useful for defining your own descriptors: */
103#define DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(n) \
104struct usb_ms_endpoint_descriptor_##n { \
105 __u8 bLength; \
106 __u8 bDescriptorType; \
107 __u8 bDescriptorSubtype; \
108 __u8 bNumEmbMIDIJack; \
109 __u8 baAssocJackID[n]; \
110} __attribute__ ((packed))
111
112#endif /* __LINUX_USB_MIDI_H */