UsbIo.h

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#ifndef __USB_IO_H__
#define __USB_IO_H__
 
#include <IndustryStandard/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 } \
  }
 
typedef struct _EFI_USB_IO_PROTOCOL   EFI_USB_IO_PROTOCOL;
 
//
// Related Definition for EFI USB I/O protocol
//
 
//
// USB standard descriptors and reqeust
//
typedef USB_DEVICE_REQUEST        EFI_USB_DEVICE_REQUEST;
typedef USB_DEVICE_DESCRIPTOR     EFI_USB_DEVICE_DESCRIPTOR;
typedef USB_CONFIG_DESCRIPTOR     EFI_USB_CONFIG_DESCRIPTOR;
typedef USB_INTERFACE_DESCRIPTOR  EFI_USB_INTERFACE_DESCRIPTOR;
typedef USB_ENDPOINT_DESCRIPTOR   EFI_USB_ENDPOINT_DESCRIPTOR;
 
typedef enum {
  EfiUsbDataIn,
  EfiUsbDataOut,
  EfiUsbNoData
} EFI_USB_DATA_DIRECTION;
 
//
// USB Transfer Results
//
#define EFI_USB_NOERROR             0x00
#define EFI_USB_ERR_NOTEXECUTE      0x01
#define EFI_USB_ERR_STALL           0x02
#define EFI_USB_ERR_BUFFER          0x04
#define EFI_USB_ERR_BABBLE          0x08
#define EFI_USB_ERR_NAK             0x10
#define EFI_USB_ERR_CRC             0x20
#define EFI_USB_ERR_TIMEOUT         0x40
#define EFI_USB_ERR_BITSTUFF        0x80
#define EFI_USB_ERR_SYSTEM          0x100
 
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
  );
 
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;
};
 
extern EFI_GUID gEfiUsbIoProtocolGuid;
 
#endif