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17696e1470
Add a USB HID endpoint providing a keyboard interface. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=none TEST=build for the Reston keyboard and press keys on the matrix. Change-Id: I3f4cc55acdd33286f0638dabaa9050c37698404f Reviewed-on: https://chromium-review.googlesource.com/204166 Reviewed-by: Vic Yang <victoryang@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* USB HID definitions.
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*/
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#ifndef USB_HID_H
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#define USB_HID_H
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#define USB_HID_SUBCLASS_BOOT 1
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#define USB_HID_PROTOCOL_KEYBOARD 1
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#define USB_HID_PROTOCOL_MOUSE 2
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/* USB HID Class requests */
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#define USB_HID_REQ_GET_REPORT 0x01
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#define USB_HID_REQ_GET_IDLE 0x02
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#define USB_HID_REQ_GET_PROTOCOL 0x03
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#define USB_HID_REQ_SET_REPORT 0x09
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#define USB_HID_REQ_SET_IDLE 0x0A
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#define USB_HID_REQ_SET_PROTOCOL 0x0B
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/* USB HID class descriptor types */
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#define USB_HID_DT_HID (USB_TYPE_CLASS | 0x01)
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#define USB_HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
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#define USB_HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
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struct usb_hid_class_descriptor {
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uint8_t bDescriptorType;
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uint16_t wDescriptorLength;
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} __packed;
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struct usb_hid_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdHID;
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uint8_t bCountryCode;
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uint8_t bNumDescriptors;
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struct usb_hid_class_descriptor desc[1];
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} __packed;
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/* class implementation interfaces */
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void set_keyboard_report(uint64_t rpt);
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#endif /* USB_H */
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