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/* Copyright 2014 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* USB HID definitions.
*/
#ifndef __CROS_EC_USB_HID_H
#define __CROS_EC_USB_HID_H
#define USB_HID_SUBCLASS_BOOT 1
#define USB_HID_PROTOCOL_KEYBOARD 1
#define USB_HID_PROTOCOL_MOUSE 2
/* USB HID Class requests */
#define USB_HID_REQ_GET_REPORT 0x01
#define USB_HID_REQ_GET_IDLE 0x02
#define USB_HID_REQ_GET_PROTOCOL 0x03
#define USB_HID_REQ_SET_REPORT 0x09
#define USB_HID_REQ_SET_IDLE 0x0A
#define USB_HID_REQ_SET_PROTOCOL 0x0B
/* USB HID class descriptor types */
#define USB_HID_DT_HID (USB_TYPE_CLASS | 0x01)
#define USB_HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
#define USB_HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
/* Pre-defined report types */
#define REPORT_TYPE_INPUT 0x01
#define REPORT_TYPE_OUTPUT 0x02
#define REPORT_TYPE_FEATURE 0x03
struct usb_hid_class_descriptor {
uint8_t bDescriptorType;
uint16_t wDescriptorLength;
} __packed;
struct usb_hid_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID;
uint8_t bCountryCode;
uint8_t bNumDescriptors;
struct usb_hid_class_descriptor desc[1];
} __packed;
#endif /* USB_H */
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