| /* | |
| * 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 */ |