2 * Gadget Function Driver for Android USB accessories
4 * Copyright (C) 2011 Google, Inc.
5 * Author: Mike Lockwood <lockwood@android.com>
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 #ifndef __LINUX_USB_F_ACCESSORY_H
19 #define __LINUX_USB_F_ACCESSORY_H
21 /* Use Google Vendor ID when in accessory mode */
22 #define USB_ACCESSORY_VENDOR_ID 0x18D1
25 /* Product ID to use when in accessory mode */
26 #define USB_ACCESSORY_PRODUCT_ID 0x2D00
28 /* Product ID to use when in accessory mode and adb is enabled */
29 #define USB_ACCESSORY_ADB_PRODUCT_ID 0x2D01
31 /* Indexes for strings sent by the host via ACCESSORY_SEND_STRING */
32 #define ACCESSORY_STRING_MANUFACTURER 0
33 #define ACCESSORY_STRING_MODEL 1
34 #define ACCESSORY_STRING_DESCRIPTION 2
35 #define ACCESSORY_STRING_VERSION 3
36 #define ACCESSORY_STRING_URI 4
37 #define ACCESSORY_STRING_SERIAL 5
39 /* Control request for retrieving device's protocol version (currently 1)
41 * requestType: USB_DIR_IN | USB_TYPE_VENDOR
42 * request: ACCESSORY_GET_PROTOCOL
45 * data version number (16 bits little endian)
47 #define ACCESSORY_GET_PROTOCOL 51
49 /* Control request for host to send a string to the device
51 * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
52 * request: ACCESSORY_SEND_STRING
55 * data zero terminated UTF8 string
57 * The device can later retrieve these strings via the
58 * ACCESSORY_GET_STRING_* ioctls
60 #define ACCESSORY_SEND_STRING 52
62 /* Control request for starting device in accessory mode.
63 * The host sends this after setting all its strings to the device.
65 * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
66 * request: ACCESSORY_START
71 #define ACCESSORY_START 53
73 /* ioctls for retrieving strings set by the host */
74 #define ACCESSORY_GET_STRING_MANUFACTURER _IOW('M', 1, char[256])
75 #define ACCESSORY_GET_STRING_MODEL _IOW('M', 2, char[256])
76 #define ACCESSORY_GET_STRING_DESCRIPTION _IOW('M', 3, char[256])
77 #define ACCESSORY_GET_STRING_VERSION _IOW('M', 4, char[256])
78 #define ACCESSORY_GET_STRING_URI _IOW('M', 5, char[256])
79 #define ACCESSORY_GET_STRING_SERIAL _IOW('M', 6, char[256])
81 #endif /* __LINUX_USB_F_ACCESSORY_H */