1 /* 2 * Gadget Function Driver for Android USB accessories 3 * 4 * Copyright (C) 2011 Google, Inc. 5 * Author: Mike Lockwood <lockwood@android.com> 6 * 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. 10 * 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. 15 * 16 */ 17 18 #ifndef __LINUX_USB_F_ACCESSORY_H 19 #define __LINUX_USB_F_ACCESSORY_H 20 21 /* Use Google Vendor ID when in accessory mode */ 22 #define USB_ACCESSORY_VENDOR_ID 0x18D1 23 24 25 /* Product ID to use when in accessory mode */ 26 #define USB_ACCESSORY_PRODUCT_ID 0x2D00 27 28 /* Product ID to use when in accessory mode and adb is enabled */ 29 #define USB_ACCESSORY_ADB_PRODUCT_ID 0x2D01 30 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 38 39 /* Control request for retrieving device's protocol version (currently 1) 40 * 41 * requestType: USB_DIR_IN | USB_TYPE_VENDOR 42 * request: ACCESSORY_GET_PROTOCOL 43 * value: 0 44 * index: 0 45 * data version number (16 bits little endian) 46 */ 47 #define ACCESSORY_GET_PROTOCOL 51 48 49 /* Control request for host to send a string to the device 50 * 51 * requestType: USB_DIR_OUT | USB_TYPE_VENDOR 52 * request: ACCESSORY_SEND_STRING 53 * value: 0 54 * index: string ID 55 * data zero terminated UTF8 string 56 * 57 * The device can later retrieve these strings via the 58 * ACCESSORY_GET_STRING_* ioctls 59 */ 60 #define ACCESSORY_SEND_STRING 52 61 62 /* Control request for starting device in accessory mode. 63 * The host sends this after setting all its strings to the device. 64 * 65 * requestType: USB_DIR_OUT | USB_TYPE_VENDOR 66 * request: ACCESSORY_START 67 * value: 0 68 * index: 0 69 * data none 70 */ 71 #define ACCESSORY_START 53 72 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]) 80 81 #endif /* __LINUX_USB_F_ACCESSORY_H */ 82