biosvideo.h
来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C头文件 代码 · 共 499 行
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499 行
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
BiosVideo.h
Abstract:
Revision History
--*/
#ifndef _BIOS_UGA_H
#define _BIOS_UGA_H
#include "Tiano.h"
#include "EfiDriverLib.h"
#include "VesaBiosExtensions.h"
#include "Pci22.h"
//
// Driver Consumed Protocol Prototypes
//
#include EFI_PROTOCOL_DEFINITION (DevicePath)
#include EFI_PROTOCOL_DEFINITION (PciIo)
#include EFI_PROTOCOL_DEFINITION (LegacyBiosThunk)
//
// Driver Produced Protocol Prototypes
//
#include EFI_PROTOCOL_DEFINITION (DriverBinding)
#include EFI_PROTOCOL_DEFINITION (ComponentName)
#include EFI_PROTOCOL_DEFINITION (UgaDraw)
#include EFI_PROTOCOL_DEFINITION (VgaMiniPort)
//
// 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 UGA Draw Graphical Mode Data
//
typedef struct {
UINT16 VbeModeNumber;
UINT16 BytesPerScanLine;
VOID *LinearFrameBuffer;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINT32 BitsPerPixel;
BIOS_VIDEO_COLOR_PLACEMENT Red;
BIOS_VIDEO_COLOR_PLACEMENT Green;
BIOS_VIDEO_COLOR_PLACEMENT Blue;
} BIOS_VIDEO_MODE_DATA;
//
// BIOS UGA Device Structure
//
#define BIOS_VIDEO_DEV_SIGNATURE EFI_SIGNATURE_32 ('B', 'V', 'M', 'p')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
//
// Consumed Protocols
//
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_LEGACY_BIOS_THUNK_PROTOCOL *LegacyBios;
//
// Produced Protocols
//
EFI_UGA_DRAW_PROTOCOL UgaDraw;
EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
//
// General fields
//
EFI_EVENT ExitBootServicesEvent;
BOOLEAN VgaCompatible;
BOOLEAN ProduceUgaDraw;
//
// UGA Draw related fields
//
BOOLEAN HardwareNeedsStarting;
UINTN CurrentMode;
UINTN MaxMode;
BIOS_VIDEO_MODE_DATA *ModeData;
UINT8 *LineBuffer;
EFI_UGA_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_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_UGA_DRAW_THIS(a) CR (a, BIOS_VIDEO_DEV, UgaDraw, BIOS_VIDEO_DEV_SIGNATURE)
#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
//
// 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:
Supported.
Arguments:
This - Pointer to driver binding protocol
Controller - Controller handle to connect
RemainingDevicePath - A pointer to the remaining portion of a device path
Returns:
EFI_STATUS - EFI_SUCCESS:This controller can be managed by this driver,
Otherwise, this controller cannot be managed by this driver
--*/
;
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Install UGA Draw Protocol onto VGA device handles
Arguments:
This - Pointer to driver binding protocol
Controller - Controller handle to connect
RemainingDevicePath - A pointer to the remaining portion of a device path
Returns:
EFI_STATUS
--*/
;
EFI_STATUS
EFIAPI
BiosVideoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
Stop.
Arguments:
This - Pointer to driver binding protocol
Controller - Controller handle to connect
NumberOfChilren - Number of children handle created by this driver
ChildHandleBuffer - Buffer containing child handle created
Returns:
EFI_SUCCESS - Driver disconnected successfully from controller
EFI_UNSUPPORTED - Cannot find BIOS_VIDEO_DEV structure
--*/
;
//
// Private worker functions
//
EFI_STATUS
BiosVideoCheckForVbe (
BIOS_VIDEO_DEV *BiosVideoPrivate
)
/*++
Routine Description:
Check for VBE device
Arguments:
BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
Returns:
EFI_SUCCESS - VBE device found
--*/
;
EFI_STATUS
BiosVideoCheckForVga (
BIOS_VIDEO_DEV *BiosVideoPrivate
)
/*++
Routine Description:
Check for VGA device
Arguments:
BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
Returns:
EFI_SUCCESS - Standard VGA device found
--*/
;
//
// BIOS UGA Draw Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoUgaDrawGetMode (
IN EFI_UGA_DRAW_PROTOCOL *This,
OUT UINT32 *HorizontalResolution,
OUT UINT32 *VerticalResolution,
OUT UINT32 *ColorDepth,
OUT UINT32 *RefreshRate
)
/*++
Routine Description:
UGA protocol interface to get video mode
Arguments:
This - Pointer to UGA draw protocol instance
HorizontalResolution - Horizontal Resolution, in pixels
VerticalResolution - Vertical Resolution, in pixels
ColorDepth - Bit number used to represent color value of a pixel
RefreshRate - Refresh rate, in Hertz
Returns:
EFI_DEVICE_ERROR - Hardware need starting
EFI_INVALID_PARAMETER - Invalid parameter passed in
EFI_SUCCESS - Video mode query successfully
--*/
;
EFI_STATUS
EFIAPI
BiosVideoUgaDrawSetMode (
IN EFI_UGA_DRAW_PROTOCOL *This,
IN UINT32 HorizontalResolution,
IN UINT32 VerticalResolution,
IN UINT32 ColorDepth,
IN UINT32 RefreshRate
)
/*++
Routine Description:
UGA draw protocol interface to set video mode
Arguments:
This - Pointer to UGA draw protocol instance
HorizontalResolution - Horizontal Resolution, in pixels
VerticalResolution - Vertical Resolution, in pixels
ColorDepth - Bit number used to represent color value of a pixel
RefreshRate - Refresh rate, in Hertz
Returns:
EFI_DEVICE_ERROR - Device error
EFI_SUCCESS - Video mode set successfully
EFI_UNSUPPORTED - Cannot support this video mode
--*/
;
EFI_STATUS
EFIAPI
BiosVideoUgaDrawVbeBlt (
IN EFI_UGA_DRAW_PROTOCOL *This,
IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
IN EFI_UGA_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:
UGA draw protocol instance to block transfer for VBE device
Arguments:
This - Pointer to UGA draw 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 EfiUgaVideoFill and EfiUgaVideoToVideo 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
BiosVideoUgaDrawVgaBlt (
IN EFI_UGA_DRAW_PROTOCOL *This,
IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
IN EFI_UGA_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:
UGA draw protocol instance to block transfer for VGA device
Arguments:
This - Pointer to UGA draw 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 EfiUgaVideoFill and EfiUgaVideoToVideo 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
#endif
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