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/** @file
Copyright (c) 2006, 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:
ComponentName.c
Abstract:
**/
//
// The package level header files this module uses
//
#include <Uefi.h>
#include <WinNtDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Protocol/WinNtIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/GraphicsOutput.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include "WinNtGop.h"
//
// EFI Component Name Functions
//
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetControllerName (
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
//
EFI_COMPONENT_NAME_PROTOCOL gWinNtGopComponentName = {
WinNtGopComponentNameGetDriverName,
WinNtGopComponentNameGetControllerName,
"eng"
};
static EFI_UNICODE_STRING_TABLE mWinNtGopDriverNameTable[] = {
{ "eng", L"Windows GOP Driver" },
{ NULL , NULL }
};
/**
Retrieves a Unicode string that is the user readable name of the EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the driver
name that that the caller is requesting, and it
must match one of the languages specified in
SupportedLanguages. The number of languages
supported by a driver is up to the driver writer.
@param DriverName A pointer to the Unicode string to return. This
Unicode string is the name of the driver specified
by This in the language specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString (
Language,
gWinNtGopComponentName.SupportedLanguages,
mWinNtGopDriverNameTable,
DriverName
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle The handle of the child controller to retrieve the
name of. This is an optional parameter that may
be NULL. It will be NULL for device drivers. It
will also be NULL for a bus drivers that wish to
retrieve the name of the bus controller. It will
not be NULL for a bus driver that wishes to
retrieve the name of a child controller.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the
controller name that that the caller is
requesting, and it must match one of the languages
specified in SupportedLanguages. The number of
languages supported by a driver is up to the
driver writer.
@param ControllerName A pointer to the Unicode string to return. This
Unicode string is the name of the controller
specified by ControllerHandle and ChildHandle in
the language specified by Language from the point
of view of the driver specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the driver
specified by This was returned in DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetControllerName (
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_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
GOP_PRIVATE_DATA *Private;
//
// 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,
gWinNtGopDriverBinding.DriverBindingHandle,
&gEfiWinNtIoProtocolGuid
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
//
// Get our context back
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiGraphicsOutputProtocolGuid,
&GraphicsOutput,
gWinNtGopDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Private = GOP_PRIVATE_DATA_FROM_THIS (GraphicsOutput);
return LookupUnicodeString (
Language,
gWinNtGopComponentName.SupportedLanguages,
Private->ControllerNameTable,
ControllerName
);
}
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