ComponentName.c

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#include "Uhci.h"
 
//
// EFI Component Name Protocol
//
 
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gUhciComponentName = {
  UhciComponentNameGetDriverName,
  UhciComponentNameGetControllerName,
  "eng"
};
 
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL  gUhciComponentName2 = {
  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)UhciComponentNameGetDriverName,
  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)UhciComponentNameGetControllerName,
  "en"
};
 
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE  mUhciDriverNameTable[] = {
  { "eng;en", L"Usb Uhci Driver" },
  { NULL,     NULL               }
};
 
//
// EFI Component Name Functions
//
 
EFI_STATUS
EFIAPI
UhciComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  )
{
  return LookupUnicodeString2 (
           Language,
           This->SupportedLanguages,
           mUhciDriverNameTable,
           DriverName,
           (BOOLEAN)(This == &gUhciComponentName)
           );
}
 
EFI_STATUS
EFIAPI
UhciComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **ControllerName
  )
{
  EFI_STATUS            Status;
  USB_HC_DEV            *UhciDev;
  EFI_USB2_HC_PROTOCOL  *Usb2Hc;
 
  //
  // This is a device driver, so ChildHandle must be NULL.
  //
  if (ChildHandle != NULL) {
    return EFI_UNSUPPORTED;
  }
 
  //
  // Make sure this driver is currently managing ControllerHandle
  //
  Status = EfiTestManagedDevice (
             ControllerHandle,
             gUhciDriverBinding.DriverBindingHandle,
             &gEfiPciIoProtocolGuid
             );
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  //
  // Get the device context
  //
  Status = gBS->OpenProtocol (
                  ControllerHandle,
                  &gEfiUsb2HcProtocolGuid,
                  (VOID **)&Usb2Hc,
                  gUhciDriverBinding.DriverBindingHandle,
                  ControllerHandle,
                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
                  );
 
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  UhciDev = UHC_FROM_USB2_HC_PROTO (Usb2Hc);
 
  return LookupUnicodeString2 (
           Language,
           This->SupportedLanguages,
           UhciDev->CtrlNameTable,
           ControllerName,
           (BOOLEAN)(This == &gUhciComponentName)
           );
}