MdePkg/Include/Protocol/Usb2HostController.h

   1 /** @file
   2   EFI_USB2_HC_PROTOCOL as defined in UEFI 2.0.
   3
   4   Copyright (c) 2006, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   Module Name:  Usb2HostController.h
  14
  15 **/
  16
  17 #ifndef _USB2_HOSTCONTROLLER_H_
  18 #define _USB2_HOSTCONTROLLER_H_
  19
  20 #define EFI_USB2_HC_PROTOCOL_GUID \
  21   { \
  22     0x3e745226, 0x9818, 0x45b6, {0xa2, 0xac, 0xd7, 0xcd, 0xe, 0x8b, 0xa2, 0xbc } \
  23   }
  24
  25 //
  26 // Forward reference for pure ANSI compatability
  27 //
  28 typedef struct _EFI_USB2_HC_PROTOCOL EFI_USB2_HC_PROTOCOL;
  29
  30 #define EFI_USB_SPEED_FULL      0x0000  // 12 Mb/s, USB 1.1 OHCI and UHCI HC.
  31 #define EFI_USB_SPEED_LOW       0x0001  // 1 Mb/s, USB 1.1 OHCI and UHCI HC.
  32 #define EFI_USB_SPEED_HIGH      0x0002  // 480 Mb/s, USB 2.0 EHCI HC.
  33
  34 typedef struct {
  35   UINT8      TranslatorHubAddress;
  36   UINT8      TranslatorPortNumber;
  37 } EFI_USB2_HC_TRANSACTION_TRANSLATOR;
  38
  39 //
  40 // Protocol definitions
  41 //
  42
  43 /**
  44   Retrieves the Host Controller capabilities.
  45
  46   @param  This           A pointer to the EFI_USB2_HC_PROTOCOL instance.
  47   @param  MaxSpeed       Host controller data transfer speed.
  48   @param  PortNumber     Number of the root hub ports.
  49   @param  Is64BitCapable TRUE if controller supports 64-bit memory addressing,
  50                          FALSE otherwise.
  51
  52   @retval EFI_SUCCESS           The host controller capabilities were retrieved successfully.
  53   @retval EFI_INVALID_PARAMETER One of the input args was NULL.
  54   @retval EFI_DEVICE_ERROR      An error was encountered while attempting to
  55                                 retrieve the capabilities.
  56
  57 **/
  58 typedef
  59 EFI_STATUS
  60 (EFIAPI *EFI_USB2_HC_PROTOCOL_GET_CAPABILITY) (
  61   IN  EFI_USB2_HC_PROTOCOL  *This,
  62   OUT UINT8                 *MaxSpeed,
  63   OUT UINT8                 *PortNumber,
  64   OUT UINT8                 *Is64BitCapable
  65   )
  66 ;
  67
  68 /**
  69   Provides software reset for the USB host controller.
  70
  71   @param  This       A pointer to the EFI_USB2_HC_PROTOCOL instance.
  72   @param  Attributes A bit mask of the reset operation to perform.
  73
  74   @retval EFI_SUCCESS           The reset operation succeeded.
  75   @retval EFI_INVALID_PARAMETER Attributes is not valid.
  76   @retval EFI_UNSUPPORTED       The type of reset specified by Attributes is not currently
  77                                 supported by the host controller hardware.
  78   @retval EFI_ACCESS_DENIED     Reset operation is rejected due to the debug port being configured
  79                                 and active; only EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG or
  80                                 EFI_USB_HC_RESET_HOST_WITH_DEBUG reset Attributes can be used to
  81                                 perform reset operation for this host controller.
  82   @retval EFI_DEVICE_ERROR      An error was encountered while attempting to
  83                                 retrieve the capabilities.
  84
  85 **/
  86 typedef
  87 EFI_STATUS
  88 (EFIAPI *EFI_USB2_HC_PROTOCOL_RESET) (
  89   IN EFI_USB2_HC_PROTOCOL   *This,
  90   IN UINT16                 Attributes
  91   )
  92 ;
  93
  94 /**
  95   Retrieves current state of the USB host controller.
  96
  97   @param  This  A pointer to the EFI_USB2_HC_PROTOCOL instance.
  98   @param  State A pointer to the EFI_USB_HC_STATE data structure that
  99                 indicates current state of the USB host controller.
 100
 101   @retval EFI_SUCCESS           The state information of the host controller was returned in State.
 102   @retval EFI_INVALID_PARAMETER State is NULL.
 103   @retval EFI_DEVICE_ERROR      An error was encountered while attempting to retrieve the
 104                                 host controller¡¯s current state.
 105
 106 **/
 107 typedef
 108 EFI_STATUS
 109 (EFIAPI *EFI_USB2_HC_PROTOCOL_GET_STATE) (
 110   IN  EFI_USB2_HC_PROTOCOL    *This,
 111   OUT EFI_USB_HC_STATE        *State
 112   )
 113 ;
 114
 115 /**
 116   Sets the USB host controller to a specific state.
 117
 118   @param  This  A pointer to the EFI_USB2_HC_PROTOCOL instance.
 119   @param  State Indicates the state of the host controller that will be set.
 120
 121   @retval EFI_SUCCESS           The USB host controller was successfully placed in the state
 122                                 specified by State.
 123   @retval EFI_INVALID_PARAMETER State is not valid.
 124   @retval EFI_DEVICE_ERROR      Failed to set the state specified by State due to device error.
 125
 126 **/
 127 typedef
 128 EFI_STATUS
 129 (EFIAPI *EFI_USB2_HC_PROTOCOL_SET_STATE) (
 130   IN EFI_USB2_HC_PROTOCOL    *This,
 131   IN EFI_USB_HC_STATE        State
 132   )
 133 ;
 134
 135 /**
 136   Submits control transfer to a target USB device.
 137
 138   @param  This                A pointer to the EFI_USB2_HC_PROTOCOL instance.
 139   @param  DeviceAddress       Represents the address of the target device on the USB.
 140   @param  DeviceSpeed         Indicates device speed.
 141   @param  MaximumPacketLength Indicates the maximum packet size that the default control transfer
 142                               endpoint is capable of sending or receiving.
 143   @param  Request             A pointer to the USB device request that will be sent to the USB device.
 144   @param  TransferDirection   Specifies the data direction for the transfer. There are three values
 145                               available, EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.
 146   @param  Data                A pointer to the buffer of data that will be transmitted to USB device or
 147                               received from USB device.
 148   @param  DataLength          On input, indicates the size, in bytes, of the data buffer specified by Data.
 149                               On output, indicates the amount of data actually transferred.
 150   @param  Translator          A pointer to the transaction translator data.
 151   @param  TimeOut             Indicates the maximum time, in milliseconds, which the transfer is
 152                               allowed to complete.
 153   @param  TransferResult      A pointer to the detailed result information generated by this control
 154                               transfer.
 155
 156   @retval EFI_SUCCESS           The control transfer was completed successfully.
 157   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 158   @retval EFI_OUT_OF_RESOURCES  The control transfer could not be completed due to a lack of resources.
 159   @retval EFI_TIMEOUT           The control transfer failed due to timeout.
 160   @retval EFI_DEVICE_ERROR      The control transfer failed due to host controller or device error.
 161                                 Caller should check TransferResult for detailed error information.
 162
 163 **/
 164 typedef
 165 EFI_STATUS
 166 (EFIAPI *EFI_USB2_HC_PROTOCOL_CONTROL_TRANSFER) (
 167   IN     EFI_USB2_HC_PROTOCOL               *This,
 168   IN     UINT8                              DeviceAddress,
 169   IN     UINT8                              DeviceSpeed,
 170   IN     UINTN                              MaximumPacketLength,
 171   IN     EFI_USB_DEVICE_REQUEST             *Request,
 172   IN     EFI_USB_DATA_DIRECTION             TransferDirection,
 173   IN OUT VOID                               *Data       OPTIONAL,
 174   IN OUT UINTN                              *DataLength OPTIONAL,
 175   IN     UINTN                              TimeOut,
 176   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
 177   OUT    UINT32                             *TransferResult
 178   )
 179 ;
 180
 181 #define EFI_USB_MAX_BULK_BUFFER_NUM 10
 182
 183 /**
 184   Submits bulk transfer to a bulk endpoint of a USB device.
 185
 186   @param  This                A pointer to the EFI_USB2_HC_PROTOCOL instance.
 187   @param  DeviceAddress       Represents the address of the target device on the USB.
 188   @param  EndPointAddress     The combination of an endpoint number and an endpoint direction of the
 189                               target USB device.
 190   @param  DeviceSpeed         Indicates device speed.
 191   @param  MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of
 192                               sending or receiving.
 193   @param  DataBuffersNumber   Number of data buffers prepared for the transfer.
 194   @param  Data                Array of pointers to the buffers of data that will be transmitted to USB
 195                               device or received from USB device.
 196   @param  DataLength          When input, indicates the size, in bytes, of the data buffers specified by
 197                               Data. When output, indicates the actually transferred data size.
 198   @param  DataToggle          A pointer to the data toggle value.
 199   @param  Translator          A pointer to the transaction translator data.
 200   @param  TimeOut             Indicates the maximum time, in milliseconds, which the transfer is
 201                               allowed to complete.
 202   @param  TransferResult      A pointer to the detailed result information of the bulk transfer.
 203
 204   @retval EFI_SUCCESS           The bulk transfer was completed successfully.
 205   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 206   @retval EFI_OUT_OF_RESOURCES  The bulk transfer could not be submitted due to a lack of resources.
 207   @retval EFI_TIMEOUT           The bulk transfer failed due to timeout.
 208   @retval EFI_DEVICE_ERROR      The bulk transfer failed due to host controller or device error.
 209                                 Caller should check TransferResult for detailed error information.
 210
 211 **/
 212 typedef
 213 EFI_STATUS
 214 (EFIAPI *EFI_USB2_HC_PROTOCOL_BULK_TRANSFER) (
 215   IN     EFI_USB2_HC_PROTOCOL               *This,
 216   IN     UINT8                              DeviceAddress,
 217   IN     UINT8                              EndPointAddress,
 218   IN     UINT8                              DeviceSpeed,
 219   IN     UINTN                              MaximumPacketLength,
 220   IN     UINT8                              DataBuffersNumber,
 221   IN OUT VOID                               *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
 222   IN OUT UINTN                              *DataLength,
 223   IN OUT UINT8                              *DataToggle,
 224   IN     UINTN                              TimeOut,
 225   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
 226   OUT    UINT32                             *TransferResult
 227   )
 228 ;
 229
 230 /**
 231   Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device.
 232
 233   @param  This                A pointer to the EFI_USB2_HC_PROTOCOL instance.
 234   @param  DeviceAddress       Represents the address of the target device on the USB.
 235   @param  EndPointAddress     The combination of an endpoint number and an endpoint direction of the
 236                               target USB device.
 237   @param  DeviceSpeed         Indicates device speed.
 238   @param  MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of
 239                               sending or receiving.
 240   @param  IsNewTransfer       If TRUE, an asynchronous interrupt pipe is built between the host and the
 241                               target interrupt endpoint. If FALSE, the specified asynchronous interrupt
 242                               pipe is canceled. If TRUE, and an interrupt transfer exists for the target
 243                               end point, then EFI_INVALID_PARAMETER is returned.
 244   @param  DataToggle          A pointer to the data toggle value.
 245   @param  PollingInterval     Indicates the interval, in milliseconds, that the asynchronous interrupt
 246                               transfer is polled.
 247   @param  DataLength          Indicates the length of data to be received at the rate specified by
 248                               PollingInterval from the target asynchronous interrupt endpoint.
 249   @param  CallBackFunction    The Callback function. This function is called at the rate specified by
 250                               PollingInterval.
 251   @param  Context             The context that is passed to the CallBackFunction. This is an
 252                               optional parameter and may be NULL.
 253
 254   @retval EFI_SUCCESS           The asynchronous interrupt transfer request has been successfully
 255                                 submitted or canceled.
 256   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 257   @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a lack of resources.
 258
 259 **/
 260 typedef
 261 EFI_STATUS
 262 (EFIAPI *EFI_USB2_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER) (
 263   IN     EFI_USB2_HC_PROTOCOL                                *This,
 264   IN     UINT8                                               DeviceAddress,
 265   IN     UINT8                                               EndPointAddress,
 266   IN     UINT8                                               DeviceSpeed,
 267   IN     UINTN                                               MaxiumPacketLength,
 268   IN     BOOLEAN                                             IsNewTransfer,
 269   IN OUT UINT8                                               *DataToggle,
 270   IN     UINTN                                               PollingInterval  OPTIONAL,
 271   IN     UINTN                                               DataLength       OPTIONAL,
 272   IN     EFI_ASYNC_USB_TRANSFER_CALLBACK                     CallBackFunction OPTIONAL,
 273   IN     VOID                                                *Context         OPTIONAL
 274   )
 275 ;
 276
 277 /**
 278   Submits synchronous interrupt transfer to an interrupt endpoint of a USB device.
 279
 280   @param  This                  A pointer to the EFI_USB2_HC_PROTOCOL instance.
 281   @param  DeviceAddress         Represents the address of the target device on the USB.
 282   @param  EndPointAddress       The combination of an endpoint number and an endpoint direction of the
 283                                 target USB device.
 284   @param  DeviceSpeed           Indicates device speed.
 285   @param  MaximumPacketLength   Indicates the maximum packet size the target endpoint is capable of
 286                                 sending or receiving.
 287   @param  Data                  A pointer to the buffer of data that will be transmitted to USB device or
 288                                 received from USB device.
 289   @param  DataLength            On input, the size, in bytes, of the data buffer specified by Data. On
 290                                 output, the number of bytes transferred.
 291   @param  DataToggle            A pointer to the data toggle value.
 292   @param  TimeOut               Indicates the maximum time, in milliseconds, which the transfer is
 293                                 allowed to complete.
 294   @param  TransferResult        A pointer to the detailed result information from the synchronous
 295                                 interrupt transfer.
 296
 297   @retval EFI_SUCCESS           The synchronous interrupt transfer was completed successfully.
 298   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 299   @retval EFI_OUT_OF_RESOURCES  The synchronous interrupt transfer could not be submitted due to a lack of resources.
 300   @retval EFI_TIMEOUT           The synchronous interrupt transfer failed due to timeout.
 301   @retval EFI_DEVICE_ERROR      The synchronous interrupt transfer failed due to host controller or device error.
 302                                 Caller should check TransferResult for detailed error information.
 303
 304 **/
 305 typedef
 306 EFI_STATUS
 307 (EFIAPI *EFI_USB2_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER) (
 308   IN     EFI_USB2_HC_PROTOCOL   *This,
 309   IN     UINT8                  DeviceAddress,
 310   IN     UINT8                  EndPointAddress,
 311   IN     UINT8                  DeviceSpeed,
 312   IN     UINTN                  MaximumPacketLength,
 313   IN OUT VOID                   *Data,
 314   IN OUT UINTN                  *DataLength,
 315   IN OUT UINT8                  *DataToggle,
 316   IN     UINTN                  TimeOut,
 317   OUT    UINT32                 *TransferResult
 318   )
 319 ;
 320
 321 #define EFI_USB_MAX_ISO_BUFFER_NUM  7
 322 #define EFI_USB_MAX_ISO_BUFFER_NUM1 2
 323
 324 /**
 325   Submits isochronous transfer to an isochronous endpoint of a USB device.
 326
 327   @param  This                  A pointer to the EFI_USB2_HC_PROTOCOL instance.
 328   @param  DeviceAddress         Represents the address of the target device on the USB.
 329   @param  EndPointAddress       The combination of an endpoint number and an endpoint direction of the
 330                                 target USB device.
 331   @param  DeviceSpeed           Indicates device speed.
 332   @param  MaximumPacketLength   Indicates the maximum packet size the target endpoint is capable of
 333                                 sending or receiving.
 334   @param  DataBuffersNumber     Number of data buffers prepared for the transfer.
 335   @param  Data                  Array of pointers to the buffers of data that will be transmitted to USB
 336                                 device or received from USB device.
 337   @param  DataLength            Specifies the length, in bytes, of the data to be sent to or received from
 338                                 the USB device.
 339   @param  Translator            A pointer to the transaction translator data.
 340   @param  TransferResult        A pointer to the detailed result information of the isochronous transfer.
 341
 342   @retval EFI_SUCCESS           The isochronous transfer was completed successfully.
 343   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 344   @retval EFI_OUT_OF_RESOURCES  The isochronous transfer could not be submitted due to a lack of resources.
 345   @retval EFI_TIMEOUT           The isochronous transfer cannot be completed within the one USB frame time.
 346   @retval EFI_DEVICE_ERROR      The isochronous transfer failed due to host controller or device error.
 347                                 Caller should check TransferResult for detailed error information.
 348
 349 **/
 350 typedef
 351 EFI_STATUS
 352 (EFIAPI *EFI_USB2_HC_PROTOCOL_ISOCHRONOUS_TRANSFER) (
 353   IN     EFI_USB2_HC_PROTOCOL               *This,
 354   IN     UINT8                              DeviceAddress,
 355   IN     UINT8                              EndPointAddress,
 356   IN     UINT8                              DeviceSpeed,
 357   IN     UINTN                              MaximumPacketLength,
 358   IN     UINT8                              DataBuffersNumber,
 359   IN OUT VOID                               *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
 360   IN     UINTN                              DataLength,
 361   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
 362   OUT    UINT32                             *TransferResult
 363   )
 364 ;
 365
 366 /**
 367   Submits nonblocking isochronous transfer to an isochronous endpoint of a USB device.
 368
 369   @param  This                  A pointer to the EFI_USB2_HC_PROTOCOL instance.
 370   @param  DeviceAddress         Represents the address of the target device on the USB.
 371   @param  EndPointAddress       The combination of an endpoint number and an endpoint direction of the
 372                                 target USB device.
 373   @param  DeviceSpeed           Indicates device speed.
 374   @param  MaximumPacketLength   Indicates the maximum packet size the target endpoint is capable of
 375                                 sending or receiving.
 376   @param  DataBuffersNumber     Number of data buffers prepared for the transfer.
 377   @param  Data                  Array of pointers to the buffers of data that will be transmitted to USB
 378                                 device or received from USB device.
 379   @param  DataLength            Specifies the length, in bytes, of the data to be sent to or received from
 380                                 the USB device.
 381   @param  Translator            A pointer to the transaction translator data.
 382   @param  IsochronousCallback   The Callback function. This function is called if the requested
 383                                 isochronous transfer is completed.
 384   @param  Context               Data passed to the IsochronousCallback function. This is an
 385                                 optional parameter and may be NULL.
 386
 387   @retval EFI_SUCCESS           The asynchronous isochronous transfer request has been successfully
 388                                 submitted or canceled.
 389   @retval EFI_INVALID_PARAMETER Some parameters are invalid.
 390   @retval EFI_OUT_OF_RESOURCES  The asynchronous isochronous transfer could not be submitted due to
 391                                 a lack of resources.
 392
 393 **/
 394 typedef
 395 EFI_STATUS
 396 (EFIAPI *EFI_USB2_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER) (
 397   IN     EFI_USB2_HC_PROTOCOL               *This,
 398   IN     UINT8                              DeviceAddress,
 399   IN     UINT8                              EndPointAddress,
 400   IN     UINT8                              DeviceSpeed,
 401   IN     UINTN                              MaximumPacketLength,
 402   IN     UINT8                              DataBuffersNumber,
 403   IN OUT VOID                               *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
 404   IN     UINTN                              DataLength,
 405   IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
 406   IN     EFI_ASYNC_USB_TRANSFER_CALLBACK    IsochronousCallBack,
 407   IN     VOID                               *Context OPTIONAL
 408   )
 409 ;
 410
 411 /**
 412   Retrieves the current status of a USB root hub port.
 413
 414   @param  This       A pointer to the EFI_USB2_HC_PROTOCOL instance.
 415   @param  PortNumber Specifies the root hub port from which the status is to be retrieved.
 416                      This value is zero based.
 417   @param  PortStatus A pointer to the current port status bits and port status change bits.
 418
 419   @retval EFI_SUCCESS           The status of the USB root hub port specified by PortNumber
 420                                 was returned in PortStatus.
 421   @retval EFI_INVALID_PARAMETER PortNumber is invalid.
 422
 423 **/
 424 typedef
 425 EFI_STATUS
 426 (EFIAPI *EFI_USB2_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS) (
 427   IN EFI_USB2_HC_PROTOCOL    *This,
 428   IN  UINT8                  PortNumber,
 429   OUT EFI_USB_PORT_STATUS    *PortStatus
 430   )
 431 ;
 432
 433 /**
 434   Sets a feature for the specified root hub port.
 435
 436   @param  This        A pointer to the EFI_USB2_HC_PROTOCOL instance.
 437   @param  PortNumber  Specifies the root hub port whose feature is requested to be set. This
 438                       value is zero based.
 439   @param  PortFeature Indicates the feature selector associated with the feature set request.
 440
 441   @retval EFI_SUCCESS           The feature specified by PortFeature was set for the USB
 442                                 root hub port specified by PortNumber.
 443   @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function.
 444
 445 **/
 446 typedef
 447 EFI_STATUS
 448 (EFIAPI *EFI_USB2_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE) (
 449   IN EFI_USB2_HC_PROTOCOL    *This,
 450   IN UINT8                   PortNumber,
 451   IN EFI_USB_PORT_FEATURE    PortFeature
 452   )
 453 ;
 454
 455 /**
 456   Clears a feature for the specified root hub port.
 457
 458   @param  This        A pointer to the EFI_USB2_HC_PROTOCOL instance.
 459   @param  PortNumber  Specifies the root hub port whose feature is requested to be cleared. This
 460                       value is zero based.
 461   @param  PortFeature Indicates the feature selector associated with the feature clear request.
 462
 463   @retval EFI_SUCCESS           The feature specified by PortFeature was cleared for the USB
 464                                 root hub port specified by PortNumber.
 465   @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function.
 466
 467 **/
 468 typedef
 469 EFI_STATUS
 470 (EFIAPI *EFI_USB2_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE) (
 471   IN EFI_USB2_HC_PROTOCOL    *This,
 472   IN UINT8                   PortNumber,
 473   IN EFI_USB_PORT_FEATURE    PortFeature
 474   )
 475 ;
 476
 477 struct _EFI_USB2_HC_PROTOCOL {
 478   EFI_USB2_HC_PROTOCOL_GET_CAPABILITY              GetCapability;
 479   EFI_USB2_HC_PROTOCOL_RESET                       Reset;
 480   EFI_USB2_HC_PROTOCOL_GET_STATE                   GetState;
 481   EFI_USB2_HC_PROTOCOL_SET_STATE                   SetState;
 482   EFI_USB2_HC_PROTOCOL_CONTROL_TRANSFER            ControlTransfer;
 483   EFI_USB2_HC_PROTOCOL_BULK_TRANSFER               BulkTransfer;
 484   EFI_USB2_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER    AsyncInterruptTransfer;
 485   EFI_USB2_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER     SyncInterruptTransfer;
 486   EFI_USB2_HC_PROTOCOL_ISOCHRONOUS_TRANSFER        IsochronousTransfer;
 487   EFI_USB2_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER  AsyncIsochronousTransfer;
 488   EFI_USB2_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS     GetRootHubPortStatus;
 489   EFI_USB2_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE    SetRootHubPortFeature;
 490   EFI_USB2_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE  ClearRootHubPortFeature;
 491   UINT16                                           MajorRevision;
 492   UINT16                                           MinorRevision;
 493 };
 494
 495 extern EFI_GUID gEfiUsb2HcProtocolGuid;
 496
 497 #endif