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Annotation of sys/dev/vesa/vesabiosreg.h, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: vesabiosreg.h,v 1.1 2006/11/27 18:04:28 gwk Exp $ */
        !             2:
        !             3: /*
        !             4:  * Written by M. Drochner
        !             5:  * Public domain.
        !             6:  */
        !             7:
        !             8:
        !             9: #ifndef _VESABIOSREG_H
        !            10: #define _VESABIOSREG_H
        !            11:
        !            12: struct modeinfoblock {
        !            13:        /* Mandatory information for all VBE revisions */
        !            14:        uint16_t ModeAttributes;
        !            15:        uint8_t WinAAttributes, WinBAttributes;
        !            16:        uint16_t WinGranularity, WinSize, WinASegment, WinBSegment;
        !            17:        uint32_t WinFuncPtr;
        !            18:        uint16_t BytesPerScanLine;
        !            19:        /* Mandatory information for VBE 1.2 and above */
        !            20:        uint16_t XResolution, YResolution;
        !            21:        uint8_t XCharSize, YCharSize, NumberOfPlanes, BitsPerPixel;
        !            22:        uint8_t NumberOfBanks, MemoryModel, BankSize, NumberOfImagePages;
        !            23:        uint8_t Reserved1;
        !            24:        /* Direct Color fields
        !            25:           (required for direct/6 and YUV/7 memory models) */
        !            26:        uint8_t RedMaskSize, RedFieldPosition;
        !            27:        uint8_t GreenMaskSize, GreenFieldPosition;
        !            28:        uint8_t BlueMaskSize, BlueFieldPosition;
        !            29:        uint8_t RsvdMaskSize, RsvdFieldPosition;
        !            30:        uint8_t DirectColorModeInfo;
        !            31:        /* Mandatory information for VBE 2.0 and above */
        !            32:        uint32_t PhysBasePtr;
        !            33: #ifdef VBE_2_0
        !            34:        uint32_t OffScreenMemOffset;
        !            35:        uint16_t OffScreenMemSize;
        !            36:        uint8_t Reserved2[206];
        !            37: #else
        !            38:        uint32_t Reserved2;
        !            39:        uint16_t Reserved3;
        !            40:
        !            41:        /* Mandatory information for VBE 3.0 and above */
        !            42:        uint16_t LinBytesPerScanLine;
        !            43:        uint8_t BnkNumberOfImagePages;
        !            44:        uint8_t LinNumberOfImagePages;
        !            45:        uint8_t LinRedMaskSize, LinRedFieldPosition;
        !            46:        uint8_t LinGreenMaskSize, LinGreenFieldPosition;
        !            47:        uint8_t LinBlueMaskSize, LinBlueFieldPosition;
        !            48:        uint8_t LinRsvdMaskSize, LinRsvdFieldPosition;
        !            49:        uint32_t MaxPixelClock;
        !            50:        uint8_t Reserved4[189];
        !            51: #endif
        !            52: } __attribute__ ((packed));
        !            53:
        !            54: struct paletteentry {
        !            55:        uint8_t Blue;
        !            56:        uint8_t Green;
        !            57:        uint8_t Red;
        !            58:        uint8_t Alignment;
        !            59: } __attribute__ ((packed));
        !            60:
        !            61: #endif /* !_VESABIOSREG_H */