mirror of https://github.com/acidanthera/audk.git
200 lines
7.7 KiB
C
200 lines
7.7 KiB
C
/** @file
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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ComponentName.c
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Abstract:
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**/
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#include "WinNtGop.h"
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//
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// EFI Component Name Functions
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//
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EFI_STATUS
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EFIAPI
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WinNtGopComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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EFI_STATUS
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EFIAPI
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WinNtGopComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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//
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// EFI Component Name Protocol
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//
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EFI_COMPONENT_NAME_PROTOCOL gWinNtGopComponentName = {
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WinNtGopComponentNameGetDriverName,
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WinNtGopComponentNameGetControllerName,
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"eng"
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};
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static EFI_UNICODE_STRING_TABLE mWinNtGopDriverNameTable[] = {
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{ "eng", L"Windows GOP Driver" },
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{ NULL , NULL }
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};
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/**
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Retrieves a Unicode string that is the user readable name of the EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
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instance.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language of the driver
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name that that the caller is requesting, and it
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must match one of the languages specified in
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SupportedLanguages. The number of languages
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supported by a driver is up to the driver writer.
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@param DriverName A pointer to the Unicode string to return. This
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Unicode string is the name of the driver specified
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by This in the language specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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WinNtGopComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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)
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{
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return LookupUnicodeString (
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Language,
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gWinNtGopComponentName.SupportedLanguages,
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mWinNtGopDriverNameTable,
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DriverName
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);
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}
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by an EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
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instance.
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@param ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle The handle of the child controller to retrieve the
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name of. This is an optional parameter that may
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be NULL. It will be NULL for device drivers. It
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will also be NULL for a bus drivers that wish to
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retrieve the name of the bus controller. It will
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not be NULL for a bus driver that wishes to
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retrieve the name of a child controller.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language of the
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controller name that that the caller is
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requesting, and it must match one of the languages
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specified in SupportedLanguages. The number of
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languages supported by a driver is up to the
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driver writer.
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@param ControllerName A pointer to the Unicode string to return. This
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Unicode string is the name of the controller
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specified by ControllerHandle and ChildHandle in
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the language specified by Language from the point
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of view of the driver specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the driver
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specified by This was returned in DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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WinNtGopComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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)
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{
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EFI_STATUS Status;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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GOP_PRIVATE_DATA *Private;
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//
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// This is a device driver, so ChildHandle must be NULL.
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//
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if (ChildHandle != NULL) {
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return EFI_UNSUPPORTED;
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}
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//
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// Make sure this driver is currently managing ControllerHandle
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//
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Status = EfiTestManagedDevice (
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ControllerHandle,
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gWinNtGopDriverBinding.DriverBindingHandle,
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&gEfiWinNtIoProtocolGuid
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);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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//
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// Get our context back
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiGraphicsOutputProtocolGuid,
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&GraphicsOutput,
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gWinNtGopDriverBinding.DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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Private = GOP_PRIVATE_DATA_FROM_THIS (GraphicsOutput);
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return LookupUnicodeString (
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Language,
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gWinNtGopComponentName.SupportedLanguages,
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Private->ControllerNameTable,
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ControllerName
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);
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}
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