ComponentName.c

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#include "Ps2Keyboard.h"
 
//
// EFI Component Name Functions
//
 
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  );
 
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **ControllerName
  );
 
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gPs2KeyboardComponentName = {
  Ps2KeyboardComponentNameGetDriverName,
  Ps2KeyboardComponentNameGetControllerName,
  "eng"
};
 
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL  gPs2KeyboardComponentName2 = {
  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)Ps2KeyboardComponentNameGetDriverName,
  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)Ps2KeyboardComponentNameGetControllerName,
  "en"
};
 
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE  mPs2KeyboardDriverNameTable[] = {
  {
    "eng;en",
    L"PS/2 Keyboard Driver"
  },
  {
    NULL,
    NULL
  }
};
 
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  )
{
  return LookupUnicodeString2 (
           Language,
           This->SupportedLanguages,
           mPs2KeyboardDriverNameTable,
           DriverName,
           (BOOLEAN)(This == &gPs2KeyboardComponentName)
           );
}
 
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **ControllerName
  )
{
  EFI_STATUS                      Status;
  EFI_SIMPLE_TEXT_INPUT_PROTOCOL  *ConIn;
  KEYBOARD_CONSOLE_IN_DEV         *ConsoleIn;
 
  //
  // This is a device driver, so ChildHandle must be NULL.
  //
  if (ChildHandle != NULL) {
    return EFI_UNSUPPORTED;
  }
 
  //
  // Check Controller's handle
  //
  Status = EfiTestManagedDevice (ControllerHandle, gKeyboardControllerDriver.DriverBindingHandle, &gEfiSioProtocolGuid);
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  //
  // Get the device context
  //
  Status = gBS->OpenProtocol (
                  ControllerHandle,
                  &gEfiSimpleTextInProtocolGuid,
                  (VOID **)&ConIn,
                  gKeyboardControllerDriver.DriverBindingHandle,
                  ControllerHandle,
                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
                  );
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
 
  return LookupUnicodeString2 (
           Language,
           This->SupportedLanguages,
           ConsoleIn->ControllerNameTable,
           ControllerName,
           (BOOLEAN)(This == &gPs2KeyboardComponentName)
           );
}