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/* $OpenBSD: vesabiosreg.h,v 1.1 2006/11/27 18:04:28 gwk Exp $ */
/*
* Written by M. Drochner
* Public domain.
*/
#ifndef _VESABIOSREG_H
#define _VESABIOSREG_H
struct modeinfoblock {
/* Mandatory information for all VBE revisions */
uint16_t ModeAttributes;
uint8_t WinAAttributes, WinBAttributes;
uint16_t WinGranularity, WinSize, WinASegment, WinBSegment;
uint32_t WinFuncPtr;
uint16_t BytesPerScanLine;
/* Mandatory information for VBE 1.2 and above */
uint16_t XResolution, YResolution;
uint8_t XCharSize, YCharSize, NumberOfPlanes, BitsPerPixel;
uint8_t NumberOfBanks, MemoryModel, BankSize, NumberOfImagePages;
uint8_t Reserved1;
/* Direct Color fields
(required for direct/6 and YUV/7 memory models) */
uint8_t RedMaskSize, RedFieldPosition;
uint8_t GreenMaskSize, GreenFieldPosition;
uint8_t BlueMaskSize, BlueFieldPosition;
uint8_t RsvdMaskSize, RsvdFieldPosition;
uint8_t DirectColorModeInfo;
/* Mandatory information for VBE 2.0 and above */
uint32_t PhysBasePtr;
#ifdef VBE_2_0
uint32_t OffScreenMemOffset;
uint16_t OffScreenMemSize;
uint8_t Reserved2[206];
#else
uint32_t Reserved2;
uint16_t Reserved3;
/* Mandatory information for VBE 3.0 and above */
uint16_t LinBytesPerScanLine;
uint8_t BnkNumberOfImagePages;
uint8_t LinNumberOfImagePages;
uint8_t LinRedMaskSize, LinRedFieldPosition;
uint8_t LinGreenMaskSize, LinGreenFieldPosition;
uint8_t LinBlueMaskSize, LinBlueFieldPosition;
uint8_t LinRsvdMaskSize, LinRsvdFieldPosition;
uint32_t MaxPixelClock;
uint8_t Reserved4[189];
#endif
} __attribute__ ((packed));
struct paletteentry {
uint8_t Blue;
uint8_t Green;
uint8_t Red;
uint8_t Alignment;
} __attribute__ ((packed));
#endif /* !_VESABIOSREG_H */
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