usbio.h

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C头文件 代码 · 共 206 行

/*++

Copyright (c) 2004, Intel Corporation                                                         
All rights reserved. This program and the accompanying materials                          
are licensed and made available under the terms and conditions of the BSD License         
which accompanies this distribution.  The full text of the license may be found at        
http://opensource.org/licenses/bsd-license.php                                            
                                                                                          
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

Module Name:

    UsbIo.h

Abstract:

    EFI Usb I/O Protocol

Revision History

--*/

#ifndef _EFI_USB_IO_H
#define _EFI_USB_IO_H

#include "usb.h"

//
// Global ID for the USB I/O Protocol
//
#define EFI_USB_IO_PROTOCOL_GUID \
  { \
    0x2B2F68D6, 0x0CD2, 0x44cf, 0x8E, 0x8B, 0xBB, 0xA2, 0x0B, 0x1B, 0x5B, 0x75 \
  }

EFI_FORWARD_DECLARATION (EFI_USB_IO_PROTOCOL);

//
//  Asynchronous USB transfer call back function
//
typedef
EFI_STATUS
(EFIAPI *EFI_ASYNC_USB_TRANSFER_CALLBACK) (
  IN VOID         *Data,
  IN UINTN        DataLength,
  IN VOID         *Context,
  IN UINT32       Status
  );

//
// Prototype for EFI USB I/O protocol
//
typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_CONTROL_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL                        * This,
  IN EFI_USB_DEVICE_REQUEST                     * Request,
  IN EFI_USB_DATA_DIRECTION                     Direction,
  IN UINT32                                     Timeout,
  IN OUT VOID                                   *Data OPTIONAL,
  IN UINTN                                      DataLength  OPTIONAL,
  OUT UINT32                                    *Status
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_BULK_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL            * This,
  IN UINT8                          DeviceEndpoint,
  IN OUT VOID                       *Data,
  IN OUT UINTN                      *DataLength,
  IN UINTN                          Timeout,
  OUT UINT32                        *Status
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL                                 * This,
  IN UINT8                                               DeviceEndpoint,
  IN BOOLEAN                                             IsNewTransfer,
  IN UINTN                                               PollingInterval    OPTIONAL,
  IN UINTN                                               DataLength         OPTIONAL,
  IN EFI_ASYNC_USB_TRANSFER_CALLBACK                     InterruptCallBack  OPTIONAL,
  IN VOID                                                *Context OPTIONAL
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_SYNC_INTERRUPT_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL            * This,
  IN     UINT8                      DeviceEndpoint,
  IN OUT VOID                       *Data,
  IN OUT UINTN                      *DataLength,
  IN     UINTN                      Timeout,
  OUT    UINT32                     *Status
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_ISOCHRONOUS_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL            * This,
  IN     UINT8                      DeviceEndpoint,
  IN OUT VOID                       *Data,
  IN     UINTN                      DataLength,
  OUT    UINT32                     *Status
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER) (
  IN EFI_USB_IO_PROTOCOL              * This,
  IN UINT8                            DeviceEndpoint,
  IN OUT VOID                         *Data,
  IN     UINTN                        DataLength,
  IN EFI_ASYNC_USB_TRANSFER_CALLBACK  IsochronousCallBack,
  IN VOID                             *Context OPTIONAL
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_PORT_RESET) (
  IN EFI_USB_IO_PROTOCOL    * This
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_DEVICE_DESCRIPTOR) (
  IN EFI_USB_IO_PROTOCOL            * This,
  OUT EFI_USB_DEVICE_DESCRIPTOR     * DeviceDescriptor
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_CONFIG_DESCRIPTOR) (
  IN EFI_USB_IO_PROTOCOL            * This,
  OUT EFI_USB_CONFIG_DESCRIPTOR     * ConfigurationDescriptor
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_INTERFACE_DESCRIPTOR) (
  IN EFI_USB_IO_PROTOCOL            * This,
  OUT EFI_USB_INTERFACE_DESCRIPTOR  * InterfaceDescriptor
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR) (
  IN EFI_USB_IO_PROTOCOL            * This,
  IN  UINT8                         EndpointIndex,
  OUT EFI_USB_ENDPOINT_DESCRIPTOR   * EndpointDescriptor
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_STRING_DESCRIPTOR) (
  IN EFI_USB_IO_PROTOCOL            * This,
  IN  UINT16                        LangID,
  IN  UINT8                         StringID,
  OUT CHAR16                        **String
  );

typedef
EFI_STATUS
(EFIAPI *EFI_USB_IO_GET_SUPPORTED_LANGUAGE) (
  IN EFI_USB_IO_PROTOCOL            * This,
  OUT UINT16                        **LangIDTable,
  OUT UINT16                        *TableSize
  );

//
//  Protocol Interface Structure
//
typedef struct _EFI_USB_IO_PROTOCOL {
  //
  // IO transfer
  //
  EFI_USB_IO_CONTROL_TRANSFER           UsbControlTransfer;
  EFI_USB_IO_BULK_TRANSFER              UsbBulkTransfer;
  EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER   UsbAsyncInterruptTransfer;
  EFI_USB_IO_SYNC_INTERRUPT_TRANSFER    UsbSyncInterruptTransfer;
  EFI_USB_IO_ISOCHRONOUS_TRANSFER       UsbIsochronousTransfer;
  EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER UsbAsyncIsochronousTransfer;

  //
  // Common device request
  //
  EFI_USB_IO_GET_DEVICE_DESCRIPTOR      UsbGetDeviceDescriptor;
  EFI_USB_IO_GET_CONFIG_DESCRIPTOR      UsbGetConfigDescriptor;
  EFI_USB_IO_GET_INTERFACE_DESCRIPTOR   UsbGetInterfaceDescriptor;
  EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR    UsbGetEndpointDescriptor;
  EFI_USB_IO_GET_STRING_DESCRIPTOR      UsbGetStringDescriptor;
  EFI_USB_IO_GET_SUPPORTED_LANGUAGE     UsbGetSupportedLanguages;

  //
  // Reset controller's parent port
  //
  EFI_USB_IO_PORT_RESET                 UsbPortReset;
} EFI_USB_IO_PROTOCOL;

extern EFI_GUID gEfiUsbIoProtocolGuid;

#endif