| Benoit Goby | cf3fc06 | 2011-12-19 14:39:37 -0800 | [diff] [blame] | 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 | /* returns 1 if there is a start request pending */ |
| 81 | #define ACCESSORY_IS_START_REQUESTED _IO('M', 7) |
| 82 | |
| 83 | #endif /* __LINUX_USB_F_ACCESSORY_H */ |