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/*++
Copyright (c) 2006 - 2007, 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:
UefiBiosVideo.h
Abstract:
Revision History
--*/
#ifndef _BIOS_GRAPHICS_OUTPUT_H
#define _BIOS_GRAPHICS_OUTPUT_H
#include <Uefi.h>
//
// Driver Consumed Protocol Prototypes
//
#include <Protocol/DevicePath.h>
#include <Protocol/PciIo.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/ComponentName.h>
#include <Protocol/ComponentName2.h>
#include <Protocol/UgaDraw.h>
#include <Protocol/VgaMiniPort.h>
#include <Protocol/Legacy8259.h>
#include <Protocol/EdidActive.h>
#include <Protocol/EdidDiscovered.h>
#include <Protocol/DevicePath.h>
#include <Protocol/LegacyBios.h>
#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <IndustryStandard/Pci22.h>
#include "VesaBiosExtensions.h"
//
// Packed format support: The number of bits reserved for each of the colors and the actual
// position of RGB in the frame buffer is specified in the VBE Mode information
//
typedef struct {
UINT8 Position; // Position of the color
UINT8 Mask; // The number of bits expressed as a mask
} BIOS_VIDEO_COLOR_PLACEMENT;
//
// BIOS Graphics Output Graphical Mode Data
//
typedef struct {
UINT16 VbeModeNumber;
UINT16 BytesPerScanLine;
VOID *LinearFrameBuffer;
UINTN FrameBufferSize;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 RefreshRate;
UINT32 BitsPerPixel;
BIOS_VIDEO_COLOR_PLACEMENT Red;
BIOS_VIDEO_COLOR_PLACEMENT Green;
BIOS_VIDEO_COLOR_PLACEMENT Blue;
BIOS_VIDEO_COLOR_PLACEMENT Reserved;
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
EFI_PIXEL_BITMASK PixelBitMask;
} BIOS_VIDEO_MODE_DATA;
//
// BIOS video child handle private data Structure
//
#define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
//
// Consumed Protocols
//
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_LEGACY_8259_PROTOCOL *Legacy8259;
//
// Produced Protocols
//
EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
EFI_EDID_ACTIVE_PROTOCOL EdidActive;
EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
//
// General fields
//
BOOLEAN VgaCompatible;
BOOLEAN ProduceGraphicsOutput;
EFI_EVENT ExitBootServicesEvent;
//
// Graphics Output Protocol related fields
//
BOOLEAN HardwareNeedsStarting;
BIOS_VIDEO_MODE_DATA *ModeData;
UINT8 *LineBuffer;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
UINT8 *VgaFrameBuffer;
//
// VESA Bios Extensions related fields
//
UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
//
// Status code
//
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
} BIOS_VIDEO_DEV;
#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
#define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)
#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;
//
// Driver Binding Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
This - GC_TODO: add argument description
Controller - GC_TODO: add argument description
RemainingDevicePath - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
;
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
This - GC_TODO: add argument description
Controller - GC_TODO: add argument description
RemainingDevicePath - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
;
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
This - GC_TODO: add argument description
Controller - GC_TODO: add argument description
NumberOfChildren - GC_TODO: add argument description
ChildHandleBuffer - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
;
//
// Private worker functions
//
EFI_STATUS
BiosVideoCheckForVbe (
BIOS_VIDEO_DEV *BiosVideoPrivate
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
BiosVideoPrivate - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
;
EFI_STATUS
BiosVideoCheckForVga (
BIOS_VIDEO_DEV *BiosVideoPrivate
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
BiosVideoPrivate - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
;
STATIC
EFI_STATUS
DeRegisterVideoChildHandle (
EFI_DRIVER_BINDING_PROTOCOL *This,
EFI_HANDLE Controller,
EFI_HANDLE Handle
)
/*++
Routine Description:
Deregister an video child handle and free resources
Arguments:
This - Protocol instance pointer.
Controller - Video controller handle
Handle - Video child handle
Returns:
EFI_STATUS
--*/
;
VOID
BiosVideoDeviceReleaseResource (
BIOS_VIDEO_DEV *BiosVideoChildPrivate
)
/*++
Routing Description:
Release resources of a video child device before stopping it.
Arguments:
BiosVideoChildPrivate - Video child device private data structure
Returns:
NONE
---*/
;
//
// BIOS Graphics Output Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputQueryMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
)
/*++
Routine Description:
Graphics Output protocol interface to get video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to return information on.
Info - Caller allocated buffer that returns information about ModeNumber.
SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
Returns:
EFI_SUCCESS - Mode information returned.
EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
EFI_INVALID_PARAMETER - One of the input args was NULL.
--*/
;
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
IN UINT32 ModeNumber
)
/*++
Routine Description:
Graphics Output protocol interface to set video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to be set.
Returns:
EFI_SUCCESS - Graphics mode was changed.
EFI_DEVICE_ERROR - The device had an error and could not complete the request.
EFI_UNSUPPORTED - ModeNumber is not supported by this device.
--*/
;
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVbeBlt (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
/*++
Routine Description:
Graphics Output protocol instance to block transfer for VBE device
Arguments:
This - Pointer to Graphics Output protocol instance
BltBuffer - The data to transfer to screen
BltOperation - The operation to perform
SourceX - The X coordinate of the source for BltOperation
SourceY - The Y coordinate of the source for BltOperation
DestinationX - The X coordinate of the destination for BltOperation
DestinationY - The Y coordinate of the destination for BltOperation
Width - The width of a rectangle in the blt rectangle in pixels
Height - The height of a rectangle in the blt rectangle in pixels
Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter passed in
EFI_SUCCESS - Blt operation success
--*/
;
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVgaBlt (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
/*++
Routine Description:
Grahpics Output protocol instance to block transfer for VGA device
Arguments:
This - Pointer to Grahpics Output protocol instance
BltBuffer - The data to transfer to screen
BltOperation - The operation to perform
SourceX - The X coordinate of the source for BltOperation
SourceY - The Y coordinate of the source for BltOperation
DestinationX - The X coordinate of the destination for BltOperation
DestinationY - The Y coordinate of the destination for BltOperation
Width - The width of a rectangle in the blt rectangle in pixels
Height - The height of a rectangle in the blt rectangle in pixels
Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter passed in
EFI_SUCCESS - Blt operation success
--*/
;
//
// BIOS VGA Mini Port Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoVgaMiniPortSetMode (
IN EFI_VGA_MINI_PORT_PROTOCOL *This,
IN UINTN ModeNumber
)
/*++
Routine Description:
VgaMiniPort protocol interface to set mode
Arguments:
This - Pointer to VgaMiniPort protocol instance
ModeNumber - The index of the mode
Returns:
EFI_UNSUPPORTED - The requested mode is not supported
EFI_SUCCESS - The requested mode is set successfully
--*/
;
BOOLEAN
BiosVideoIsVga (
IN EFI_PCI_IO_PROTOCOL *PciIo
)
;
//
// Standard VGA Definitions
//
#define VGA_HORIZONTAL_RESOLUTION 640
#define VGA_VERTICAL_RESOLUTION 480
#define VGA_NUMBER_OF_BIT_PLANES 4
#define VGA_PIXELS_PER_BYTE 8
#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
VOID
InitializeBiosIntCaller (
IN BIOS_VIDEO_DEV *BiosDev
);
VOID
InitializeInterruptRedirection (
IN BIOS_VIDEO_DEV *BiosDev
);
BOOLEAN
EFIAPI
LegacyBiosInt86 (
IN BIOS_VIDEO_DEV *BiosDev,
IN UINT8 BiosInt,
IN EFI_IA32_REGISTER_SET *Regs
);
#endif
|