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audk/OvmfPkg/Csm/BiosThunk/VideoDxe/VesaBiosExtensions.h

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/** @file
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _VESA_BIOS_EXTENSIONS_H_
#define _VESA_BIOS_EXTENSIONS_H_
//
// Turn on byte packing of data structures
//
#pragma pack(1)
//
// VESA BIOS Extensions status codes
//
#define VESA_BIOS_EXTENSIONS_STATUS_SUCCESS 0x004f
//
// VESA BIOS Extensions Services
//
#define VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION 0x4f00
/*++
Routine Description:
Function 00 : Return Controller Information
Arguments:
Inputs:
AX = 0x4f00
ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION 0x4f01
/*++
Routine Description:
Function 01 : Return Mode Information
Arguments:
Inputs:
AX = 0x4f01
CX = Mode Number
ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_SET_MODE 0x4f02
/*++
Routine Description:
Function 02 : Set Mode
Arguments:
Inputs:
AX = 0x4f02
BX = Desired mode to set
D0-D8 = Mode Number
D9-D10 = Reserved (must be 0)
D11 = 0 - Use current default refresh rate
= 1 - Use user specfieid CRTC values for refresh rate
D12-D13 = Reserved (must be 0)
D14 = 0 - Use windowed frame buffer model
= 1 - Use linear/flat frame buffer model
D15 = 0 - Clear display memory
= 1 - Don't clear display memory
ES:DI = Pointer to buffer to the VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK structure
Outputs:
AX = Return Status
--*/
#define VESA_BIOS_EXTENSIONS_RETURN_CURRENT_MODE 0x4f03
/*++
Routine Description:
Function 03 : Return Current Mode
Arguments:
Inputs:
AX = 0x4f03
Outputs:
AX = Return Status
BX = Current mode
D0-D13 = Mode Number
D14 = 0 - Windowed frame buffer model
= 1 - Linear/flat frame buffer model
D15 = 0 - Memory cleared at last mode set
= 1 - Memory not cleared at last mode set
--*/
#define VESA_BIOS_EXTENSIONS_SAVE_RESTORE_STATE 0x4f04
/*++
Routine Description:
Function 04 : Save/Restore State
Arguments:
Inputs:
AX = 0x4f03
DL = 0x00 - Return Save/Restore State buffer size
= 0x01 - Save State
= 0x02 - Restore State
CX = Requested Status
D0 = Save/Restore controller hardware state
D1 = Save/Restore BIOS data state
D2 = Save/Restore DAC state
D3 = Save/Restore Regsiter state
ES:BX = Pointer to buffer if DL=1 or DL=2
Outputs:
AX = Return Status
BX = Number of 64 byte blocks to hold the state buffer if DL=0
--*/
#define VESA_BIOS_EXTENSIONS_EDID 0x4f15
/*++
Routine Description:
Function 15 : implement VBE/DDC service
Arguments:
Inputs:
AX = 0x4f15
BL = 0x00 - Report VBE/DDC Capabilities
CX = 0x00 - Controller unit number (00 = primary controller)
ES:DI = Null pointer, must be 0:0 in version 1.0
Outputs:
AX = Return Status
BH = Approx. time in seconds, rounded up, to transfer one EDID block(128 bytes)
BL = DDC level supported
D0 = 0 DDC1 not supported
= 1 DDC1 supported
D1 = 0 DDC2 not supported
= 1 DDC2 supported
D2 = 0 Screen not blanked during data transfer
= 1 Screen blanked during data transfer
Inputs:
AX = 0x4f15
BL = 0x01 - Read EDID
CX = 0x00 - Controller unit number (00 = primary controller)
DX = 0x00 - EDID block number
ES:DI = Pointer to buffer in which the EDID block is returned
Outputs:
AX = Return Status
--*/
//
// Timing data from EDID data block
//
#define VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE 128
#define VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER 17
//
// Established Timings: 24 possible resolutions
// Standard Timings: 8 possible resolutions
// Detailed Timings: 4 possible resolutions
//
#define VESA_BIOS_EXTENSIONS_EDID_TIMING_MAX_NUMBER 36
//
// Timing data size for Established Timings, Standard Timings and Detailed Timings
//
#define VESA_BIOS_EXTENSIONS_ESTABLISHED_TIMING_SIZE 3
#define VESA_BIOS_EXTENSIONS_STANDARD_TIMING_SIZE 16
#define VESA_BIOS_EXTENSIONS_DETAILED_TIMING_EACH_DESCRIPTOR_SIZE 18
#define VESA_BIOS_EXTENSIONS_DETAILED_TIMING_DESCRIPTOR_MAX_SIZE 72
typedef struct {
UINT16 HorizontalResolution;
UINT16 VerticalResolution;
UINT16 RefreshRate;
} VESA_BIOS_EXTENSIONS_EDID_TIMING;
typedef struct {
UINT32 ValidNumber;
UINT32 Key[VESA_BIOS_EXTENSIONS_EDID_TIMING_MAX_NUMBER];
} VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING;
typedef struct {
UINT8 Header[8]; //EDID header "00 FF FF FF FF FF FF 00"
UINT16 ManufactureName; //EISA 3-character ID
UINT16 ProductCode; //Vendor assigned code
UINT32 SerialNumber; //32-bit serial number
UINT8 WeekOfManufacture; //Week number
UINT8 YearOfManufacture; //Year
UINT8 EdidVersion; //EDID Structure Version
UINT8 EdidRevision; //EDID Structure Revision
UINT8 VideoInputDefinition;
UINT8 MaxHorizontalImageSize; //cm
UINT8 MaxVerticalImageSize; //cm
UINT8 DisplayTransferCharacteristic;
UINT8 FeatureSupport;
UINT8 RedGreenLowBits; //Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1Gy0
UINT8 BlueWhiteLowBits; //Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0
UINT8 RedX; //Red-x Bits 9 - 2
UINT8 RedY; //Red-y Bits 9 - 2
UINT8 GreenX; //Green-x Bits 9 - 2
UINT8 GreenY; //Green-y Bits 9 - 2
UINT8 BlueX; //Blue-x Bits 9 - 2
UINT8 BlueY; //Blue-y Bits 9 - 2
UINT8 WhiteX; //White-x Bits 9 - 2
UINT8 WhiteY; //White-x Bits 9 - 2
UINT8 EstablishedTimings[VESA_BIOS_EXTENSIONS_ESTABLISHED_TIMING_SIZE];
UINT8 StandardTimingIdentification[VESA_BIOS_EXTENSIONS_STANDARD_TIMING_SIZE];
UINT8 DetailedTimingDescriptions[VESA_BIOS_EXTENSIONS_DETAILED_TIMING_DESCRIPTOR_MAX_SIZE];
UINT8 ExtensionFlag; //Number of (optional) 128-byte EDID extension blocks to follow
UINT8 Checksum;
} VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK;
//
// Super VGA Information Block
//
typedef struct {
UINT32 VESASignature; // 'VESA' 4 byte signature
UINT16 VESAVersion; // VBE version number
UINT32 OEMStringPtr; // Pointer to OEM string
UINT32 Capabilities; // Capabilities of video card
UINT32 VideoModePtr; // Pointer to an array of 16-bit supported modes values terminated by 0xFFFF
UINT16 TotalMemory; // Number of 64kb memory blocks
UINT16 OemSoftwareRev; // VBE implementation Software revision
UINT32 OemVendorNamePtr; // VbeFarPtr to Vendor Name String
UINT32 OemProductNamePtr; // VbeFarPtr to Product Name String
UINT32 OemProductRevPtr; // VbeFarPtr to Product Revision String
UINT8 Reserved[222]; // Reserved for VBE implementation scratch area
UINT8 OemData[256]; // Data area for OEM strings. Pad to 512 byte block size
} VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK;
//
// Super VGA Information Block VESASignature values
//
#define VESA_BIOS_EXTENSIONS_VESA_SIGNATURE SIGNATURE_32 ('V', 'E', 'S', 'A')
#define VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE SIGNATURE_32 ('V', 'B', 'E', '2')
//
// Super VGA Information Block VESAVersion values
//
#define VESA_BIOS_EXTENSIONS_VERSION_1_2 0x0102
#define VESA_BIOS_EXTENSIONS_VERSION_2_0 0x0200
#define VESA_BIOS_EXTENSIONS_VERSION_3_0 0x0300
//
// Super VGA Information Block Capabilities field bit definitions
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_8_BIT_DAC 0x01 // 0: DAC width is fixed at 6 bits/color
// 1: DAC width switchable to 8 bits/color
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_VGA 0x02 // 0: Controller is VGA compatible
// 1: Controller is not VGA compatible
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_NORMAL_RAMDAC 0x04 // 0: Normal RAMDAC operation
// 1: Use blank bit in function 9 to program RAMDAC
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_STEREOSCOPIC 0x08 // 0: No hardware stereoscopic signal support
// 1: Hardware stereoscopic signal support
//
#define VESA_BIOS_EXTENSIONS_CAPABILITY_VESA_EVC 0x10 // 0: Stero signaling supported via external VESA stereo connector
// 1: Stero signaling supported via VESA EVC connector
//
// Super VGA mode number bite field definitions
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA 0x0100 // 0: Not a VESA defined VBE mode
// 1: A VESA defined VBE mode
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_REFRESH_CONTROL_USER 0x0800 // 0: Use current BIOS default referesh rate
// 1: Use the user specified CRTC values for refresh rate
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER 0x4000 // 0: Use a banked/windowed frame buffer
// 1: Use a linear/flat frame buffer
//
#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_PRESERVE_MEMORY 0x8000 // 0: Clear display memory
// 1: Preseve display memory
//
// Super VGA Information Block mode list terminator value
//
#define VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST 0xffff
//
// Window Function
//
typedef
VOID
(*VESA_BIOS_EXTENSIONS_WINDOW_FUNCTION) (
VOID
);
//
// Super VGA Mode Information Block
//
typedef struct {
//
// Manadory fields for all VESA Bios Extensions revisions
//
UINT16 ModeAttributes; // Mode attributes
UINT8 WinAAttributes; // Window A attributes
UINT8 WinBAttributes; // Window B attributes
UINT16 WinGranularity; // Window granularity in k
UINT16 WinSize; // Window size in k
UINT16 WinASegment; // Window A segment
UINT16 WinBSegment; // Window B segment
UINT32 WindowFunction; // Pointer to window function
UINT16 BytesPerScanLine; // Bytes per scanline
//
// Manadory fields for VESA Bios Extensions 1.2 and above
//
UINT16 XResolution; // Horizontal resolution
UINT16 YResolution; // Vertical resolution
UINT8 XCharSize; // Character cell width
UINT8 YCharSize; // Character cell height
UINT8 NumberOfPlanes; // Number of memory planes
UINT8 BitsPerPixel; // Bits per pixel
UINT8 NumberOfBanks; // Number of CGA style banks
UINT8 MemoryModel; // Memory model type
UINT8 BankSize; // Size of CGA style banks
UINT8 NumberOfImagePages; // Number of images pages
UINT8 Reserved1; // Reserved
UINT8 RedMaskSize; // Size of direct color red mask
UINT8 RedFieldPosition; // Bit posn of lsb of red mask
UINT8 GreenMaskSize; // Size of direct color green mask
UINT8 GreenFieldPosition; // Bit posn of lsb of green mask
UINT8 BlueMaskSize; // Size of direct color blue mask
UINT8 BlueFieldPosition; // Bit posn of lsb of blue mask
UINT8 RsvdMaskSize; // Size of direct color res mask
UINT8 RsvdFieldPosition; // Bit posn of lsb of res mask
UINT8 DirectColorModeInfo; // Direct color mode attributes
//
// Manadory fields for VESA Bios Extensions 2.0 and above
//
UINT32 PhysBasePtr; // Physical Address for flat memory frame buffer
UINT32 Reserved2; // Reserved
UINT16 Reserved3; // Reserved
//
// Manadory fields for VESA Bios Extensions 3.0 and above
//
UINT16 LinBytesPerScanLine; // Bytes/scan line for linear modes
UINT8 BnkNumberOfImagePages; // Number of images for banked modes
UINT8 LinNumberOfImagePages; // Number of images for linear modes
UINT8 LinRedMaskSize; // Size of direct color red mask (linear mode)
UINT8 LinRedFieldPosition; // Bit posiiton of lsb of red mask (linear modes)
UINT8 LinGreenMaskSize; // Size of direct color green mask (linear mode)
UINT8 LinGreenFieldPosition; // Bit posiiton of lsb of green mask (linear modes)
UINT8 LinBlueMaskSize; // Size of direct color blue mask (linear mode)
UINT8 LinBlueFieldPosition; // Bit posiiton of lsb of blue mask (linear modes)
UINT8 LinRsvdMaskSize; // Size of direct color reserved mask (linear mode)
UINT8 LinRsvdFieldPosition; // Bit posiiton of lsb of reserved mask (linear modes)
UINT32 MaxPixelClock; // Maximum pixel clock (in Hz) for graphics mode
UINT8 Pad[190]; // Pad to 256 byte block size
} VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK;
//
// Super VGA Mode Information Block ModeAttributes field bit definitions
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE 0x0001 // 0: Mode not supported in handware
// 1: Mode supported in handware
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_TTY 0x0004 // 0: TTY Output functions not supported by BIOS
// 1: TTY Output functions supported by BIOS
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR 0x0008 // 0: Monochrome mode
// 1: Color mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS 0x0010 // 0: Text mode
// 1: Graphics mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_VGA 0x0020 // 0: VGA compatible mode
// 1: Not a VGA compatible mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_WINDOWED 0x0040 // 0: VGA compatible windowed memory mode
// 1: Not a VGA compatible windowed memory mode
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER 0x0080 // 0: No linear fram buffer mode available
// 1: Linear frame buffer mode available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DOUBLE_SCAN 0x0100 // 0: No double scan mode available
// 1: Double scan mode available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_INTERLACED 0x0200 // 0: No interlaced mode is available
// 1: Interlaced mode is available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NO_TRIPPLE_BUFFER 0x0400 // 0: No hardware triple buffer mode support available
// 1: Hardware triple buffer mode support available
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_STEREOSCOPIC 0x0800 // 0: No hardware steroscopic display support
// 1: Hardware steroscopic display support
//
#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DUAL_DISPLAY 0x1000 // 0: No dual display start address support
// 1: Dual display start address support
//
// Super VGA Mode Information Block WinAAttribite/WinBAttributes field bit definitions
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_RELOCATABLE 0x01 // 0: Single non-relocatable window only
// 1: Relocatable window(s) are supported
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_READABLE 0x02 // 0: Window is not readable
// 1: Window is readable
//
#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_WRITABLE 0x04 // 0: Window is not writable
// 1: Window is writable
//
// Super VGA Mode Information Block DirectColorMode field bit definitions
//
#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_PROG_COLOR_RAMP 0x01 // 0: Color ram is fixed
// 1: Color ramp is programmable
//
#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_RSVD_USABLE 0x02 // 0: Bits in Rsvd field are reserved
// 1: Bits in Rsdv field are usable
//
// Super VGA Memory Models
//
typedef enum {
MemPL = 3, // Planar memory model
MemPK = 4, // Packed pixel memory model
MemRGB= 6, // Direct color RGB memory model
MemYUV= 7 // Direct color YUV memory model
} VESA_BIOS_EXTENSIONS_MEMORY_MODELS;
//
// Super VGA CRTC Information Block
//
typedef struct {
UINT16 HorizontalTotal; // Horizontal total in pixels
UINT16 HorizontalSyncStart; // Horizontal sync start in pixels
UINT16 HorizontalSyncEnd; // Horizontal sync end in pixels
UINT16 VericalTotal; // Vertical total in pixels
UINT16 VericalSyncStart; // Vertical sync start in pixels
UINT16 VericalSyncEnd; // Vertical sync end in pixels
UINT8 Flags; // Flags (Interlaced/DoubleScan/etc).
UINT32 PixelClock; // Pixel clock in units of Hz
UINT16 RefreshRate; // Refresh rate in units of 0.01 Hz
UINT8 Reserved[40]; // Pad
} VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK;
#define VESA_BIOS_EXTENSIONS_CRTC_FLAGS_DOUBLE_SCAN 0x01 // 0: Graphics mode is not souble scanned
// 1: Graphics mode is double scanned
//
#define VESA_BIOS_EXTENSIONS_CRTC_FLAGSINTERLACED 0x02 // 0: Graphics mode is not interlaced
// 1: Graphics mode is interlaced
//
#define VESA_BIOS_EXTENSIONS_CRTC_HORIZONTAL_SYNC_NEGATIVE 0x04 // 0: Horizontal sync polarity is positive(+)
// 0: Horizontal sync polarity is negative(-)
//
#define VESA_BIOS_EXTENSIONS_CRTC_VERITICAL_SYNC_NEGATIVE 0x08 // 0: Verical sync polarity is positive(+)
// 0: Verical sync polarity is negative(-)
//
// Turn off byte packing of data structures
//
#pragma pack()
#endif
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