mirror of https://github.com/acidanthera/audk.git
421 lines
14 KiB
C
421 lines
14 KiB
C
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/** @file
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Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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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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**/
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#ifndef _FB_GOP_H_
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#define _FB_GOP_H_
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#include <Protocol/PciIo.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/GraphicsOutput.h>
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#include <Protocol/EdidActive.h>
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#include <Protocol/EdidDiscovered.h>
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#include <Guid/StatusCodeDataTypeId.h>
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#include <Guid/EventGroup.h>
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#include <Guid/FrameBufferInfoGuid.h>
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#include <Library/PcdLib.h>
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#include <Library/HobLib.h>
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#include <Library/DebugLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <IndustryStandard/Pci.h>
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//
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// Packed format support: The number of bits reserved for each of the colors and the actual
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// position of RGB in the frame buffer is specified in the VBE Mode information
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//
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typedef struct {
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UINT8 Position; // Position of the color
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UINT8 Mask; // The number of bits expressed as a mask
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} FB_VIDEO_COLOR_PLACEMENT;
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//
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// BIOS Graphics Output Graphical Mode Data
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//
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typedef struct {
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UINT16 VbeModeNumber;
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UINT16 BytesPerScanLine;
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VOID *LinearFrameBuffer;
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UINTN FrameBufferSize;
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UINT32 HorizontalResolution;
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UINT32 VerticalResolution;
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UINT32 ColorDepth;
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UINT32 RefreshRate;
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UINT32 BitsPerPixel;
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FB_VIDEO_COLOR_PLACEMENT Red;
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FB_VIDEO_COLOR_PLACEMENT Green;
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FB_VIDEO_COLOR_PLACEMENT Blue;
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FB_VIDEO_COLOR_PLACEMENT Reserved;
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EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
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EFI_PIXEL_BITMASK PixelBitMask;
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} FB_VIDEO_MODE_DATA;
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//
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// BIOS video child handle private data Structure
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//
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#define FB_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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//
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// Consumed Protocols
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//
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EFI_PCI_IO_PROTOCOL *PciIo;
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//
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// Produced Protocols
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//
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EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
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EFI_EDID_ACTIVE_PROTOCOL EdidActive;
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//
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// Graphics Output Protocol related fields
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//
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UINTN CurrentMode;
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UINTN MaxMode;
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FB_VIDEO_MODE_DATA *ModeData;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
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//
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// Status code
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//
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EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
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} FB_VIDEO_DEV;
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#define FB_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, FB_VIDEO_DEV, PciIo, FB_VIDEO_DEV_SIGNATURE)
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#define FB_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, FB_VIDEO_DEV, GraphicsOutput, FB_VIDEO_DEV_SIGNATURE)
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#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gFbGopDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gFbGopComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gFbGopComponentName2;
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//
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// Driver Binding Protocol functions
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//
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/**
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Supported.
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@param This Pointer to driver binding protocol
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@param Controller Controller handle to connect
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@param RemainingDevicePath A pointer to the remaining portion of a device
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path
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@retval EFI_STATUS EFI_SUCCESS:This controller can be managed by this
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driver, Otherwise, this controller cannot be
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managed by this driver
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**/
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EFI_STATUS
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EFIAPI
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FbGopDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Install Graphics Output Protocol onto VGA device handles.
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@param This Pointer to driver binding protocol
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@param Controller Controller handle to connect
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@param RemainingDevicePath A pointer to the remaining portion of a device
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path
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@return EFI_STATUS
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**/
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EFI_STATUS
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EFIAPI
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FbGopDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop.
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@param This Pointer to driver binding protocol
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@param Controller Controller handle to connect
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@param NumberOfChildren Number of children handle created by this driver
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@param ChildHandleBuffer Buffer containing child handle created
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@retval EFI_SUCCESS Driver disconnected successfully from controller
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@retval EFI_UNSUPPORTED Cannot find FB_VIDEO_DEV structure
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**/
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EFI_STATUS
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EFIAPI
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FbGopDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// Private worker functions
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//
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/**
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Check for VBE device.
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@param FbGopPrivate Pointer to FB_VIDEO_DEV structure
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@retval EFI_SUCCESS VBE device found
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**/
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EFI_STATUS
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FbGopCheckForVbe (
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IN OUT FB_VIDEO_DEV *FbGopPrivate
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);
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/**
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Release resource for biso video instance.
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@param FbGopPrivate Video child device private data structure
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**/
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VOID
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FbGopDeviceReleaseResource (
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FB_VIDEO_DEV *FbGopPrivate
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);
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//
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// BIOS Graphics Output Protocol functions
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//
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/**
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Graphics Output protocol interface to get video mode.
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@param This Protocol instance pointer.
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@param ModeNumber The mode number to return information on.
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@param SizeOfInfo A pointer to the size, in bytes, of the Info
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buffer.
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@param Info Caller allocated buffer that returns information
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about ModeNumber.
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
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@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the
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video mode.
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@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
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@retval EFI_INVALID_PARAMETER One of the input args was NULL.
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**/
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EFI_STATUS
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EFIAPI
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FbGopGraphicsOutputQueryMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN UINT32 ModeNumber,
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OUT UINTN *SizeOfInfo,
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OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
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);
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/**
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Graphics Output protocol interface to set video mode.
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@param This Protocol instance pointer.
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@param ModeNumber The mode number to be set.
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@retval EFI_SUCCESS Graphics mode was changed.
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@retval EFI_DEVICE_ERROR The device had an error and could not complete the
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request.
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@retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
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**/
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EFI_STATUS
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EFIAPI
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FbGopGraphicsOutputSetMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
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IN UINT32 ModeNumber
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);
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/**
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Graphics Output protocol instance to block transfer for VBE device.
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@param This Pointer to Graphics Output protocol instance
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@param BltBuffer The data to transfer to screen
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@param BltOperation The operation to perform
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@param SourceX The X coordinate of the source for BltOperation
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@param SourceY The Y coordinate of the source for BltOperation
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@param DestinationX The X coordinate of the destination for
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BltOperation
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@param DestinationY The Y coordinate of the destination for
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BltOperation
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@param Width The width of a rectangle in the blt rectangle in
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pixels
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@param Height The height of a rectangle in the blt rectangle in
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pixels
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@param Delta Not used for EfiBltVideoFill and
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EfiBltVideoToVideo operation. If a Delta of 0 is
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used, the entire BltBuffer will be operated on. If
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a subrectangle of the BltBuffer is used, then
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Delta represents the number of bytes in a row of
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the BltBuffer.
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@retval EFI_INVALID_PARAMETER Invalid parameter passed in
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@retval EFI_SUCCESS Blt operation success
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**/
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EFI_STATUS
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EFIAPI
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FbGopGraphicsOutputVbeBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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);
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/**
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Grahpics Output protocol instance to block transfer for VGA device.
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@param This Pointer to Grahpics Output protocol instance
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@param BltBuffer The data to transfer to screen
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@param BltOperation The operation to perform
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@param SourceX The X coordinate of the source for BltOperation
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@param SourceY The Y coordinate of the source for BltOperation
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@param DestinationX The X coordinate of the destination for
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BltOperation
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@param DestinationY The Y coordinate of the destination for
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BltOperation
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@param Width The width of a rectangle in the blt rectangle in
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pixels
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@param Height The height of a rectangle in the blt rectangle in
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pixels
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@param Delta Not used for EfiBltVideoFill and
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EfiBltVideoToVideo operation. If a Delta of 0 is
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used, the entire BltBuffer will be operated on. If
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a subrectangle of the BltBuffer is used, then
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Delta represents the number of bytes in a row of
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the BltBuffer.
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@retval EFI_INVALID_PARAMETER Invalid parameter passed in
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@retval EFI_SUCCESS Blt operation success
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**/
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EFI_STATUS
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EFIAPI
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FbGopGraphicsOutputVgaBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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);
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/**
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Install child handles if the Handle supports MBR format.
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@param This Calling context.
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@param ParentHandle Parent Handle
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@param ParentPciIo Parent PciIo interface
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@param ParentLegacyBios Parent LegacyBios interface
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@param ParentDevicePath Parent Device Path
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@param RemainingDevicePath Remaining Device Path
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@retval EFI_SUCCESS If a child handle was added
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@retval other A child handle was not added
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**/
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EFI_STATUS
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FbGopChildHandleInstall (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ParentHandle,
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IN EFI_PCI_IO_PROTOCOL *ParentPciIo,
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IN VOID *ParentLegacyBios,
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IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Deregister an video child handle and free resources.
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@param This Protocol instance pointer.
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@param Controller Video controller handle
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@param Handle Video child handle
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@return EFI_STATUS
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**/
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EFI_STATUS
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FbGopChildHandleUninstall (
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EFI_DRIVER_BINDING_PROTOCOL *This,
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EFI_HANDLE Controller,
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EFI_HANDLE Handle
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);
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/**
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Release resource for biso video instance.
|
||
|
|
|
||
|
|
@param FbGopPrivate Video child device private data structure
|
||
|
|
|
||
|
|
**/
|
||
|
|
VOID
|
||
|
|
FbGopDeviceReleaseResource (
|
||
|
|
FB_VIDEO_DEV *FbGopPrivate
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Check if all video child handles have been uninstalled.
|
||
|
|
|
||
|
|
@param Controller Video controller handle
|
||
|
|
|
||
|
|
@return TRUE Child handles exist.
|
||
|
|
@return FALSE All video child handles have been uninstalled.
|
||
|
|
|
||
|
|
**/
|
||
|
|
BOOLEAN
|
||
|
|
HasChildHandle (
|
||
|
|
IN EFI_HANDLE Controller
|
||
|
|
);
|
||
|
|
#endif
|