mirror of https://github.com/acidanthera/audk.git
540 lines
19 KiB
C
540 lines
19 KiB
C
/** @file
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Copyright (c) 2006 - 2012, 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 _BIOS_GRAPHICS_OUTPUT_H_
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#define _BIOS_GRAPHICS_OUTPUT_H_
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#include <FrameworkDxe.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/EdidActive.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/EdidDiscovered.h>
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#include <Protocol/LegacyBios.h>
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#include <Protocol/VgaMiniPort.h>
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#include <Protocol/GraphicsOutput.h>
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#include <Protocol/EdidOverride.h>
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#include <Guid/StatusCodeDataTypeId.h>
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#include <Guid/LegacyBios.h>
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#include <Guid/EventGroup.h>
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#include <Library/PcdLib.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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#include "VesaBiosExtensions.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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} BIOS_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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BIOS_VIDEO_COLOR_PLACEMENT Red;
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BIOS_VIDEO_COLOR_PLACEMENT Green;
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BIOS_VIDEO_COLOR_PLACEMENT Blue;
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BIOS_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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} BIOS_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 BIOS_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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EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
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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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EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
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//
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// General fields
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//
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BOOLEAN VgaCompatible;
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BOOLEAN ProduceGraphicsOutput;
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//
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// Graphics Output Protocol related fields
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//
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BOOLEAN HardwareNeedsStarting;
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UINTN CurrentMode;
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UINTN MaxMode;
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BIOS_VIDEO_MODE_DATA *ModeData;
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UINT8 *LineBuffer;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
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UINT8 *VgaFrameBuffer;
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//
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// VESA Bios Extensions related fields
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//
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UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
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EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
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VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
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UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
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EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
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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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EFI_EVENT ExitBootServicesEvent;
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} BIOS_VIDEO_DEV;
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#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
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#define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)
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#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_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 gBiosVideoDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;
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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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BiosVideoDriverBindingSupported (
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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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BiosVideoDriverBindingStart (
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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 BIOS_VIDEO_DEV structure
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoDriverBindingStop (
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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 BiosVideoPrivate Pointer to BIOS_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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BiosVideoCheckForVbe (
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IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
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);
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/**
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Check for VGA device.
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@param BiosVideoPrivate Pointer to BIOS_VIDEO_DEV structure
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@retval EFI_SUCCESS Standard VGA device found
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**/
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EFI_STATUS
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BiosVideoCheckForVga (
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IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
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);
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/**
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Release resource for biso video instance.
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@param BiosVideoPrivate Video child device private data structure
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**/
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VOID
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BiosVideoDeviceReleaseResource (
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BIOS_VIDEO_DEV *BiosVideoPrivate
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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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BiosVideoGraphicsOutputQueryMode (
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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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BiosVideoGraphicsOutputSetMode (
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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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BiosVideoGraphicsOutputVbeBlt (
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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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BiosVideoGraphicsOutputVgaBlt (
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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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// BIOS VGA Mini Port Protocol functions
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//
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/**
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VgaMiniPort protocol interface to set mode.
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@param This Pointer to VgaMiniPort protocol instance
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@param ModeNumber The index of the mode
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@retval EFI_UNSUPPORTED The requested mode is not supported
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@retval EFI_SUCCESS The requested mode is set successfully
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoVgaMiniPortSetMode (
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IN EFI_VGA_MINI_PORT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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/**
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Event handler for Exit Boot Service.
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@param Event The event that be siganlled when exiting boot service.
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@param Context Pointer to instance of BIOS_VIDEO_DEV.
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**/
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VOID
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EFIAPI
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BiosVideoNotifyExitBootServices (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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//
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// Standard VGA Definitions
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//
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#define VGA_HORIZONTAL_RESOLUTION 640
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#define VGA_VERTICAL_RESOLUTION 480
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#define VGA_NUMBER_OF_BIT_PLANES 4
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#define VGA_PIXELS_PER_BYTE 8
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#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
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#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
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#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
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#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
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#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
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#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
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#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
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#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
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#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
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#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
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#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
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#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
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#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
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#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
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#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
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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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BiosVideoChildHandleInstall (
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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 EFI_LEGACY_BIOS_PROTOCOL *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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BiosVideoChildHandleUninstall (
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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.
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@param BiosVideoPrivate Video child device private data structure
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**/
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VOID
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BiosVideoDeviceReleaseResource (
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BIOS_VIDEO_DEV *BiosVideoPrivate
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);
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/**
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Check if all video child handles have been uninstalled.
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@param Controller Video controller handle
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|
|
@return TRUE Child handles exist.
|
|
@return FALSE All video child handles have been uninstalled.
|
|
|
|
**/
|
|
BOOLEAN
|
|
HasChildHandle (
|
|
IN EFI_HANDLE Controller
|
|
);
|
|
#endif
|