UsbDescriptors.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef USBDESCRIPTORS_H
#define USBDESCRIPTORS_H
 
#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/processor/types.h"
 
struct UsbEndpointDescriptor {
  uint8_t nLength;
  uint8_t nType;
  uint8_t nEndpoint : 4;
  uint8_t res0 : 3;
  uint8_t bDirection : 1;
  uint8_t nTransferType : 2;
  uint8_t res1 : 6;
  uint16_t nMaxPacketSize : 11;
  uint8_t res2 : 5;
  uint8_t nInterval;
} PACKED;
 
struct UsbInterfaceDescriptor {
  uint8_t nLength;
  uint8_t nType;
  uint8_t nInterface;
  uint8_t nAlternateSetting;
  uint8_t nEndpoints;
  uint8_t nClass;
  uint8_t nSubclass;
  uint8_t nProtocol;
  uint8_t nString;
} PACKED;
 
struct UsbConfigurationDescriptor {
  uint8_t nLength;
  uint8_t nType;
  uint16_t nTotalLength;
  uint8_t nInterfaces;
  uint8_t nConfig;
  uint8_t nString;
  uint8_t nAttributes;
  uint8_t nMaxPower;
} PACKED;
 
struct UsbDeviceDescriptor {
  uint8_t nLength;
  uint8_t nType;
  uint16_t nBcdUsbRelease;
  uint8_t nClass;
  uint8_t nSubclass;
  uint8_t nProtocol;
  uint8_t nMaxControlPacketSize;
  uint16_t nVendorId;
  uint16_t nProductId;
  uint16_t nBcdDeviceRelease;
  uint8_t nVendorString;
  uint8_t nProductString;
  uint8_t nSerialString;
  uint8_t nConfigurations;
} PACKED;
 
#endif