#ifndef vbe_h_included
#define vbe_h_included
#include "vgabios.h"
#include <VBox/Hardware/VBoxVideoVBE.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;
// This one is for compactly storing a static list of mode info blocks
// this saves us 189 bytes per block
typedef struct ModeInfoBlockCompact
{
// 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]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios
} ModeInfoBlockCompact;
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;
typedef struct ModeInfoListItem
{
uint16_t mode;
ModeInfoBlockCompact info;
} ModeInfoListItem;
// 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
// VBE Mode Numbers
#define VBE_MODE_VESA_DEFINED 0x0100
#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
// VBE GFX Mode Number
#define VBE_VESA_MODE_640X400X8 0x100
#define VBE_VESA_MODE_640X480X8 0x101
#define VBE_VESA_MODE_800X600X4 0x102
#define VBE_VESA_MODE_800X600X8 0x103
#define VBE_VESA_MODE_1024X768X4 0x104
#define VBE_VESA_MODE_1024X768X8 0x105
#define VBE_VESA_MODE_1280X1024X4 0x106
#define VBE_VESA_MODE_1280X1024X8 0x107
#define VBE_VESA_MODE_320X200X1555 0x10D
#define VBE_VESA_MODE_320X200X565 0x10E
#define VBE_VESA_MODE_320X200X888 0x10F
#define VBE_VESA_MODE_640X480X1555 0x110
#define VBE_VESA_MODE_640X480X565 0x111
#define VBE_VESA_MODE_640X480X888 0x112
#define VBE_VESA_MODE_800X600X1555 0x113
#define VBE_VESA_MODE_800X600X565 0x114
#define VBE_VESA_MODE_800X600X888 0x115
#define VBE_VESA_MODE_1024X768X1555 0x116
#define VBE_VESA_MODE_1024X768X565 0x117
#define VBE_VESA_MODE_1024X768X888 0x118
#define VBE_VESA_MODE_1280X1024X1555 0x119
#define VBE_VESA_MODE_1280X1024X565 0x11A
#define VBE_VESA_MODE_1280X1024X888 0x11B
#define VBE_VESA_MODE_1600X1200X8 0x11C
#define VBE_VESA_MODE_1600X1200X1555 0x11D
#define VBE_VESA_MODE_1600X1200X565 0x11E
#define VBE_VESA_MODE_1600X1200X888 0x11F
// BOCHS/PLEX86 'own' mode numbers
#define VBE_OWN_MODE_320X200X8888 0x140
#define VBE_OWN_MODE_640X400X8888 0x141
#define VBE_OWN_MODE_640X480X8888 0x142
#define VBE_OWN_MODE_800X600X8888 0x143
#define VBE_OWN_MODE_1024X768X8888 0x144
#define VBE_OWN_MODE_1280X1024X8888 0x145
#define VBE_OWN_MODE_320X200X8 0x146
#define VBE_OWN_MODE_1600X1200X8888 0x147
#define VBE_OWN_MODE_1152X864X8 0x148
#define VBE_OWN_MODE_1152X864X1555 0x149
#define VBE_OWN_MODE_1152X864X565 0x14a
#define VBE_OWN_MODE_1152X864X888 0x14b
#define VBE_OWN_MODE_1152X864X8888 0x14c
#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
// Capabilities
#define VBE_CAPABILITY_8BIT_DAC 0x0001
#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
// Mode Attributes
#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
// Window attributes
#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
// Memory model
#define VBE_MEMORYMODEL_TEXT_MODE 0x00
#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
#define VBE_MEMORYMODEL_PLANAR 0x03
#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
#define VBE_MEMORYMODEL_YUV 0x07
// DirectColorModeInfo
#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
/**
* VBE Bios Extra Data structure.
* @remark duplicated in DevVGA.h.
*/
typedef struct VBEHeader
{
/** Signature (VBEHEADER_MAGIC). */
uint16_t u16Signature;
/** Data size. */
uint16_t cbData;
} VBEHeader;
/** The value of the VBEHEADER::u16Signature field.
* @remark duplicated in DevVGA.h. */
#define VBEHEADER_MAGIC 0x77CC
/** The extra port which is used to read the mode list.
* @remark duplicated in DevVGA.h. */
#define VBE_EXTRA_PORT 0x3b6
/** The extra port which is used for debug printf.
* @remark duplicated in DevVGA.h. */
#define VBE_PRINTF_PORT 0x3b7
#endif