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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* <linux/usb/midi.h> -- USB MIDI definitions.
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*
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* Copyright (C) 2006 Thumtronics Pty Ltd.
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* Developed for Thumtronics by Grey Innovation
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* Ben Williamson <ben.williamson@greyinnovation.com>
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*
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* This software is distributed under the terms of the GNU General Public
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* License ("GPL") version 2, as published by the Free Software Foundation.
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*
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* This file holds USB constants and structures defined
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* by the USB Device Class Definition for MIDI Devices.
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* Comments below reference relevant sections of that document:
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*
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* http://www.usb.org/developers/devclass_docs/midi10.pdf
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*/
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#ifndef __LINUX_USB_MIDI_H
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#define __LINUX_USB_MIDI_H
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#include <linux/types.h>
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/* A.1 MS Class-Specific Interface Descriptor Subtypes */
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#define USB_MS_HEADER 0x01
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#define USB_MS_MIDI_IN_JACK 0x02
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#define USB_MS_MIDI_OUT_JACK 0x03
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#define USB_MS_ELEMENT 0x04
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/* A.2 MS Class-Specific Endpoint Descriptor Subtypes */
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#define USB_MS_GENERAL 0x01
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/* A.3 MS MIDI IN and OUT Jack Types */
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#define USB_MS_EMBEDDED 0x01
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#define USB_MS_EXTERNAL 0x02
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/* 6.1.2.1 Class-Specific MS Interface Header Descriptor */
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struct usb_ms_header_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__le16 bcdMSC;
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__le16 wTotalLength;
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} __attribute__ ((packed));
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#define USB_DT_MS_HEADER_SIZE 7
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/* 6.1.2.2 MIDI IN Jack Descriptor */
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struct usb_midi_in_jack_descriptor {
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__u8 bLength;
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__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
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__u8 bDescriptorSubtype; /* USB_MS_MIDI_IN_JACK */
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__u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */
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__u8 bJackID;
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__u8 iJack;
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} __attribute__ ((packed));
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#define USB_DT_MIDI_IN_SIZE 6
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struct usb_midi_source_pin {
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__u8 baSourceID;
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__u8 baSourcePin;
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} __attribute__ ((packed));
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/* 6.1.2.3 MIDI OUT Jack Descriptor */
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struct usb_midi_out_jack_descriptor {
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__u8 bLength;
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__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
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__u8 bDescriptorSubtype; /* USB_MS_MIDI_OUT_JACK */
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__u8 bJackType; /* USB_MS_EMBEDDED/EXTERNAL */
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__u8 bJackID;
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__u8 bNrInputPins; /* p */
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struct usb_midi_source_pin pins[]; /* [p] */
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/*__u8 iJack; -- omitted due to variable-sized pins[] */
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} __attribute__ ((packed));
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#define USB_DT_MIDI_OUT_SIZE(p) (7 + 2 * (p))
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/* As above, but more useful for defining your own descriptors: */
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#define DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(p) \
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struct usb_midi_out_jack_descriptor_##p { \
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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubtype; \
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__u8 bJackType; \
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__u8 bJackID; \
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__u8 bNrInputPins; \
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struct usb_midi_source_pin pins[p]; \
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__u8 iJack; \
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} __attribute__ ((packed))
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/* 6.2.2 Class-Specific MS Bulk Data Endpoint Descriptor */
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struct usb_ms_endpoint_descriptor {
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__u8 bLength; /* 4+n */
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__u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
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__u8 bDescriptorSubtype; /* USB_MS_GENERAL */
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__u8 bNumEmbMIDIJack; /* n */
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__u8 baAssocJackID[]; /* [n] */
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} __attribute__ ((packed));
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#define USB_DT_MS_ENDPOINT_SIZE(n) (4 + (n))
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/* As above, but more useful for defining your own descriptors: */
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#define DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(n) \
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struct usb_ms_endpoint_descriptor_##n { \
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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubtype; \
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__u8 bNumEmbMIDIJack; \
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__u8 baAssocJackID[n]; \
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} __attribute__ ((packed))
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#endif /* __LINUX_USB_MIDI_H */
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