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#ifndef VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h
#define VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "vgabios.h"
#include <VBoxVideoVBE.h>
#include <VBoxVideoVBEPrivate.h>
// DISPI helper function
//void dispi_set_enable(Boolean enable);
/** VBE int10 API
*
* See the function descriptions in vbe.c for more information
*/
/* Far pointer for VBE info block usage. */
typedef union vbe_ptr {
uint32_t Ptr32;
void __far *Ptr;
union {
uint16_t Off;
uint16_t Seg;
};
} vbe_ptr;
// The official VBE Information Block
typedef struct VbeInfoBlock
{
union {
uint8_t SigChr[4];
uint32_t Sig32;
} VbeSignature;
uint16_t VbeVersion;
vbe_ptr OemString;
uint8_t Capabilities[4];
uint16_t VideoModePtr_Off;
uint16_t VideoModePtr_Seg;
uint16_t TotalMemory;
uint16_t OemSoftwareRev;
vbe_ptr OemVendorName;
vbe_ptr OemProductName;
vbe_ptr OemProductRev;
uint16_t Reserved[111]; // used for dynamically generated mode list
uint8_t OemData[256];
} VbeInfoBlock;
typedef struct ModeInfoBlock
{
// Mandatory information for all VBE revisions
uint16_t ModeAttributes;
uint8_t WinAAttributes;
uint8_t WinBAttributes;
uint16_t WinGranularity;
uint16_t WinSize;
uint16_t WinASegment;
uint16_t WinBSegment;
uint32_t WinFuncPtr;
uint16_t BytesPerScanLine;
// Mandatory information for VBE 1.2 and above
uint16_t XResolution;
uint16_t YResolution;
uint8_t XCharSize;
uint8_t YCharSize;
uint8_t NumberOfPlanes;
uint8_t BitsPerPixel;
uint8_t NumberOfBanks;
uint8_t MemoryModel;
uint8_t BankSize;
uint8_t NumberOfImagePages;
uint8_t Reserved_page;
// Direct Color fields (required for direct/6 and YUV/7 memory models)
uint8_t RedMaskSize;
uint8_t RedFieldPosition;
uint8_t GreenMaskSize;
uint8_t GreenFieldPosition;
uint8_t BlueMaskSize;
uint8_t BlueFieldPosition;
uint8_t RsvdMaskSize;
uint8_t RsvdFieldPosition;
uint8_t DirectColorModeInfo;
// Mandatory information for VBE 2.0 and above
uint32_t PhysBasePtr;
uint32_t OffScreenMemOffset;
uint16_t OffScreenMemSize;
// Mandatory information for VBE 3.0 and above
uint16_t LinBytesPerScanLine;
uint8_t BnkNumberOfPages;
uint8_t LinNumberOfPages;
uint8_t LinRedMaskSize;
uint8_t LinRedFieldPosition;
uint8_t LinGreenMaskSize;
uint8_t LinGreenFieldPosition;
uint8_t LinBlueMaskSize;
uint8_t LinBlueFieldPosition;
uint8_t LinRsvdMaskSize;
uint8_t LinRsvdFieldPosition;
uint32_t MaxPixelClock;
uint8_t Reserved[189];
} ModeInfoBlock;
// VBE Return Status Info
// AL
#define VBE_RETURN_STATUS_SUPPORTED 0x4F
#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
// AH
#define VBE_RETURN_STATUS_SUCCESSFULL 0x00
#define VBE_RETURN_STATUS_FAILED 0x01
#define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
#define VBE_RETURN_STATUS_INVALID 0x03
#endif /* !VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h */
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