This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / usb / midi.h

diff --git a/include/linux/usb/midi.h b/include/linux/usb/midi.h
new file mode 100644 (file)
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+++ b/include/linux/usb/midi.h
@@ -0,0 +1,112 @@
+/*
+ * <linux/usb/midi.h> -- USB MIDI definitions.
+ *
+ * Copyright (C) 2006 Thumtronics Pty Ltd.
+ * Developed for Thumtronics by Grey Innovation
+ * Ben Williamson <ben.williamson@greyinnovation.com>
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * License ("GPL") version 2, as published by the Free Software Foundation.
+ *
+ * This file holds USB constants and structures defined
+ * by the USB Device Class Definition for MIDI Devices.
+ * Comments below reference relevant sections of that document:
+ *
+ * http://www.usb.org/developers/devclass_docs/midi10.pdf
+ */
+
+#ifndef __LINUX_USB_MIDI_H
+#define __LINUX_USB_MIDI_H
+
+#include <linux/types.h>
+
+/* A.1  MS Class-Specific Interface Descriptor Subtypes */
+#define USB_MS_HEADER          0x01
+#define USB_MS_MIDI_IN_JACK    0x02
+#define USB_MS_MIDI_OUT_JACK   0x03
+#define USB_MS_ELEMENT         0x04
+
+/* A.2  MS Class-Specific Endpoint Descriptor Subtypes */
+#define USB_MS_GENERAL         0x01
+
+/* A.3  MS MIDI IN and OUT Jack Types */
+#define USB_MS_EMBEDDED                0x01
+#define USB_MS_EXTERNAL                0x02
+
+/* 6.1.2.1  Class-Specific MS Interface Header Descriptor */
+struct usb_ms_header_descriptor {
+       __u8  bLength;
+       __u8  bDescriptorType;
+       __u8  bDescriptorSubtype;
+       __le16 bcdMSC;
+       __le16 wTotalLength;
+} __attribute__ ((packed));
+
+#define USB_DT_MS_HEADER_SIZE  7
+
+/* 6.1.2.2  MIDI IN Jack Descriptor */
+struct usb_midi_in_jack_descriptor {
+       __u8  bLength;
+       __u8  bDescriptorType;          // USB_DT_CS_INTERFACE
+       __u8  bDescriptorSubtype;       // USB_MS_MIDI_IN_JACK
+       __u8  bJackType;                // USB_MS_EMBEDDED/EXTERNAL
+       __u8  bJackID;
+       __u8  iJack;
+} __attribute__ ((packed));
+
+#define USB_DT_MIDI_IN_SIZE    6
+
+struct usb_midi_source_pin {
+       __u8  baSourceID;
+       __u8  baSourcePin;
+} __attribute__ ((packed));
+
+/* 6.1.2.3  MIDI OUT Jack Descriptor */
+struct usb_midi_out_jack_descriptor {
+       __u8  bLength;
+       __u8  bDescriptorType;          // USB_DT_CS_INTERFACE
+       __u8  bDescriptorSubtype;       // USB_MS_MIDI_OUT_JACK
+       __u8  bJackType;                // USB_MS_EMBEDDED/EXTERNAL
+       __u8  bJackID;
+       __u8  bNrInputPins;             // p
+       struct usb_midi_source_pin pins[]; // [p]
+       /*__u8  iJack;  -- ommitted due to variable-sized pins[] */
+} __attribute__ ((packed));
+
+#define USB_DT_MIDI_OUT_SIZE(p)        (7 + 2 * (p))
+
+/* As above, but more useful for defining your own descriptors: */
+#define DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(p)                        \
+struct usb_midi_out_jack_descriptor_##p {                      \
+       __u8  bLength;                                          \
+       __u8  bDescriptorType;                                  \
+       __u8  bDescriptorSubtype;                               \
+       __u8  bJackType;                                        \
+       __u8  bJackID;                                          \
+       __u8  bNrInputPins;                                     \
+       struct usb_midi_source_pin pins[p];                     \
+       __u8  iJack;                                            \
+} __attribute__ ((packed))
+
+/* 6.2.2  Class-Specific MS Bulk Data Endpoint Descriptor */
+struct usb_ms_endpoint_descriptor {
+       __u8  bLength;                  // 4+n
+       __u8  bDescriptorType;          // USB_DT_CS_ENDPOINT
+       __u8  bDescriptorSubtype;       // USB_MS_GENERAL
+       __u8  bNumEmbMIDIJack;          // n
+       __u8  baAssocJackID[];          // [n]
+} __attribute__ ((packed));
+
+#define USB_DT_MS_ENDPOINT_SIZE(n)     (4 + (n))
+
+/* As above, but more useful for defining your own descriptors: */
+#define DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(n)                  \
+struct usb_ms_endpoint_descriptor_##n {                                \
+       __u8  bLength;                                          \
+       __u8  bDescriptorType;                                  \
+       __u8  bDescriptorSubtype;                               \
+       __u8  bNumEmbMIDIJack;                                  \
+       __u8  baAssocJackID[n];                                 \
+} __attribute__ ((packed))
+
+#endif