| /* |
| * Gadget Function Driver for Android USB accessories |
| * |
| * Copyright (C) 2011 Google, Inc. |
| * Author: Mike Lockwood <lockwood@android.com> |
| * |
| * This software is licensed under the terms of the GNU General Public |
| * License version 2, as published by the Free Software Foundation, and |
| * may be copied, distributed, and modified under those terms. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #ifndef _UAPI_LINUX_USB_F_ACCESSORY_H |
| #define _UAPI_LINUX_USB_F_ACCESSORY_H |
| |
| /* Use Google Vendor ID when in accessory mode */ |
| #define USB_ACCESSORY_VENDOR_ID 0x18D1 |
| |
| |
| /* Product ID to use when in accessory mode */ |
| #define USB_ACCESSORY_PRODUCT_ID 0x2D00 |
| |
| /* Product ID to use when in accessory mode and adb is enabled */ |
| #define USB_ACCESSORY_ADB_PRODUCT_ID 0x2D01 |
| |
| /* Indexes for strings sent by the host via ACCESSORY_SEND_STRING */ |
| #define ACCESSORY_STRING_MANUFACTURER 0 |
| #define ACCESSORY_STRING_MODEL 1 |
| #define ACCESSORY_STRING_DESCRIPTION 2 |
| #define ACCESSORY_STRING_VERSION 3 |
| #define ACCESSORY_STRING_URI 4 |
| #define ACCESSORY_STRING_SERIAL 5 |
| |
| /* Control request for retrieving device's protocol version |
| * |
| * requestType: USB_DIR_IN | USB_TYPE_VENDOR |
| * request: ACCESSORY_GET_PROTOCOL |
| * value: 0 |
| * index: 0 |
| * data version number (16 bits little endian) |
| * 1 for original accessory support |
| * 2 adds HID and device to host audio support |
| */ |
| #define ACCESSORY_GET_PROTOCOL 51 |
| |
| /* Control request for host to send a string to the device |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_SEND_STRING |
| * value: 0 |
| * index: string ID |
| * data zero terminated UTF8 string |
| * |
| * The device can later retrieve these strings via the |
| * ACCESSORY_GET_STRING_* ioctls |
| */ |
| #define ACCESSORY_SEND_STRING 52 |
| |
| /* Control request for starting device in accessory mode. |
| * The host sends this after setting all its strings to the device. |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_START |
| * value: 0 |
| * index: 0 |
| * data none |
| */ |
| #define ACCESSORY_START 53 |
| |
| /* Control request for registering a HID device. |
| * Upon registering, a unique ID is sent by the accessory in the |
| * value parameter. This ID will be used for future commands for |
| * the device |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_REGISTER_HID_DEVICE |
| * value: Accessory assigned ID for the HID device |
| * index: total length of the HID report descriptor |
| * data none |
| */ |
| #define ACCESSORY_REGISTER_HID 54 |
| |
| /* Control request for unregistering a HID device. |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_REGISTER_HID |
| * value: Accessory assigned ID for the HID device |
| * index: 0 |
| * data none |
| */ |
| #define ACCESSORY_UNREGISTER_HID 55 |
| |
| /* Control request for sending the HID report descriptor. |
| * If the HID descriptor is longer than the endpoint zero max packet size, |
| * the descriptor will be sent in multiple ACCESSORY_SET_HID_REPORT_DESC |
| * commands. The data for the descriptor must be sent sequentially |
| * if multiple packets are needed. |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_SET_HID_REPORT_DESC |
| * value: Accessory assigned ID for the HID device |
| * index: offset of data in descriptor |
| * (needed when HID descriptor is too big for one packet) |
| * data the HID report descriptor |
| */ |
| #define ACCESSORY_SET_HID_REPORT_DESC 56 |
| |
| /* Control request for sending HID events. |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_SEND_HID_EVENT |
| * value: Accessory assigned ID for the HID device |
| * index: 0 |
| * data the HID report for the event |
| */ |
| #define ACCESSORY_SEND_HID_EVENT 57 |
| |
| /* Control request for setting the audio mode. |
| * |
| * requestType: USB_DIR_OUT | USB_TYPE_VENDOR |
| * request: ACCESSORY_SET_AUDIO_MODE |
| * value: 0 - no audio |
| * 1 - device to host, 44100 16-bit stereo PCM |
| * index: 0 |
| * data none |
| */ |
| #define ACCESSORY_SET_AUDIO_MODE 58 |
| |
| /* ioctls for retrieving strings set by the host */ |
| #define ACCESSORY_GET_STRING_MANUFACTURER _IOW('M', 1, char[256]) |
| #define ACCESSORY_GET_STRING_MODEL _IOW('M', 2, char[256]) |
| #define ACCESSORY_GET_STRING_DESCRIPTION _IOW('M', 3, char[256]) |
| #define ACCESSORY_GET_STRING_VERSION _IOW('M', 4, char[256]) |
| #define ACCESSORY_GET_STRING_URI _IOW('M', 5, char[256]) |
| #define ACCESSORY_GET_STRING_SERIAL _IOW('M', 6, char[256]) |
| /* returns 1 if there is a start request pending */ |
| #define ACCESSORY_IS_START_REQUESTED _IO('M', 7) |
| /* returns audio mode (set via the ACCESSORY_SET_AUDIO_MODE control request) */ |
| #define ACCESSORY_GET_AUDIO_MODE _IO('M', 8) |
| |
| #endif /* _UAPI_LINUX_USB_F_ACCESSORY_H */ |
