atichip.c

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        case NewChipID('L', 'M'):
        case NewChipID('L', 'N'):
            pATI->ChipRevision =
                GetBits(pATI->config_chip_id, CFG_CHIP_REVISION);
            pATI->Chip = ATI_CHIP_MOBILITY;
            pATI->BusType = ATI_BUS_AGP;
            pATI->LCDVBlendFIFOSize = 1024;
            break;

        default:
            pATI->Chip = ATI_CHIP_Mach64;
            break;
    }
}

/*
 * ATIChipID --
 *
 * This returns the ATI_CHIP_* value (generally) associated with a particular
 * ChipID/ChipRev combination.
 */
ATIChipType
ATIChipID
(
    const CARD16 ChipID,
    const CARD8  ChipRev
)
{
    switch (ChipID)
    {

#ifndef AVOID_CPIO

        case OldChipID('A', 'A'):  case NewChipID('A', 'A'):
            return ATI_CHIP_68800_3;

        case OldChipID('X', 'X'):  case NewChipID('X', 'X'):
            return ATI_CHIP_68800_6;

        case OldChipID('L', 'X'):
            return ATI_CHIP_68800LX;

        case OldChipID('A', 'X'):  case NewChipID('A', 'X'):
            return ATI_CHIP_68800AX;

#endif /* AVOID_CPIO */

        case OldChipID('G', 'X'):  case NewChipID('G', 'X'):
            switch (ChipRev)
            {
                case 0x00U:
                    return ATI_CHIP_88800GXC;

                case 0x01U:
                    return ATI_CHIP_88800GXD;

                case 0x02U:
                    return ATI_CHIP_88800GXE;

                case 0x03U:
                    return ATI_CHIP_88800GXF;

                default:
                    return ATI_CHIP_88800GX;
            }

        case OldChipID('C', 'X'):  case NewChipID('C', 'X'):
            return ATI_CHIP_88800CX;

        case OldChipID('C', 'T'):  case NewChipID('C', 'T'):
            return ATI_CHIP_264CT;

        case OldChipID('E', 'T'):  case NewChipID('E', 'T'):
            return ATI_CHIP_264ET;

        case OldChipID('V', 'T'):  case NewChipID('V', 'T'):
            /* For simplicity, ignore ChipID discrepancy that can occur here */
            if (!(ChipRev & GetBits(CFG_CHIP_VERSION, CFG_CHIP_REV)))
                return ATI_CHIP_264VT;
            return ATI_CHIP_264VTB;

        case OldChipID('G', 'T'):  case NewChipID('G', 'T'):
            if (!(ChipRev & GetBits(CFG_CHIP_VERSION, CFG_CHIP_REV)))
                return ATI_CHIP_264GT;
            return ATI_CHIP_264GTB;

        case OldChipID('V', 'U'):  case NewChipID('V', 'U'):
            return ATI_CHIP_264VT3;

        case OldChipID('G', 'U'):  case NewChipID('G', 'U'):
            return ATI_CHIP_264GTDVD;

        case OldChipID('L', 'G'):  case NewChipID('L', 'G'):
            return ATI_CHIP_264LT;

        case OldChipID('V', 'V'):  case NewChipID('V', 'V'):
            return ATI_CHIP_264VT4;

        case OldChipID('G', 'V'):  case NewChipID('G', 'V'):
        case OldChipID('G', 'W'):  case NewChipID('G', 'W'):
        case OldChipID('G', 'Y'):  case NewChipID('G', 'Y'):
        case OldChipID('G', 'Z'):  case NewChipID('G', 'Z'):
            return ATI_CHIP_264GT2C;

        case OldChipID('G', 'B'):  case NewChipID('G', 'B'):
        case OldChipID('G', 'D'):  case NewChipID('G', 'D'):
        case OldChipID('G', 'I'):  case NewChipID('G', 'I'):
        case OldChipID('G', 'P'):  case NewChipID('G', 'P'):
        case OldChipID('G', 'Q'):  case NewChipID('G', 'Q'):
            return ATI_CHIP_264GTPRO;

        case OldChipID('L', 'B'):  case NewChipID('L', 'B'):
        case OldChipID('L', 'D'):  case NewChipID('L', 'D'):
        case OldChipID('L', 'I'):  case NewChipID('L', 'I'):
        case OldChipID('L', 'P'):  case NewChipID('L', 'P'):
        case OldChipID('L', 'Q'):  case NewChipID('L', 'Q'):
            return ATI_CHIP_264LTPRO;

        case OldChipID('G', 'L'):  case NewChipID('G', 'L'):
        case OldChipID('G', 'M'):  case NewChipID('G', 'M'):
        case OldChipID('G', 'N'):  case NewChipID('G', 'N'):
        case OldChipID('G', 'O'):  case NewChipID('G', 'O'):
        case OldChipID('G', 'R'):  case NewChipID('G', 'R'):
        case OldChipID('G', 'S'):  case NewChipID('G', 'S'):
            return ATI_CHIP_264XL;

        case OldChipID('L', 'M'):  case NewChipID('L', 'M'):
        case OldChipID('L', 'N'):  case NewChipID('L', 'N'):
        case OldChipID('L', 'R'):  case NewChipID('L', 'R'):
        case OldChipID('L', 'S'):  case NewChipID('L', 'S'):
            return ATI_CHIP_MOBILITY;

        case NewChipID('R', 'E'):
        case NewChipID('R', 'F'):
        case NewChipID('R', 'G'):
        case NewChipID('S', 'K'):
        case NewChipID('S', 'L'):
        case NewChipID('S', 'M'):
        /* "SN" is listed as ATI_CHIP_RAGE128_4X in ATI docs */
        case NewChipID('S', 'N'):
            return ATI_CHIP_RAGE128GL;

        case NewChipID('R', 'K'):
        case NewChipID('R', 'L'):
        /*
         * ATI documentation lists SE/SF/SG under both ATI_CHIP_RAGE128VR
         * and ATI_CHIP_RAGE128_4X, and lists SH/SK/SL under Rage 128 4X only.
         * I'm stuffing them here for now until this can be clarified as ATI
         * documentation doesn't mention their details. <[e-mail]>
         */
        case NewChipID('S', 'E'):
        case NewChipID('S', 'F'):
        case NewChipID('S', 'G'):
        case NewChipID('S', 'H'):
            return ATI_CHIP_RAGE128VR;

     /* case NewChipID('S', 'H'): */
     /* case NewChipID('S', 'K'): */
     /* case NewChipID('S', 'L'): */
     /* case NewChipID('S', 'N'): */
     /*     return ATI_CHIP_RAGE128_4X; */

        case NewChipID('P', 'A'):
        case NewChipID('P', 'B'):
        case NewChipID('P', 'C'):
        case NewChipID('P', 'D'):
        case NewChipID('P', 'E'):
        case NewChipID('P', 'F'):
            return ATI_CHIP_RAGE128PROGL;

        case NewChipID('P', 'G'):
        case NewChipID('P', 'H'):
        case NewChipID('P', 'I'):
        case NewChipID('P', 'J'):
        case NewChipID('P', 'K'):
        case NewChipID('P', 'L'):
        case NewChipID('P', 'M'):
        case NewChipID('P', 'N'):
        case NewChipID('P', 'O'):
        case NewChipID('P', 'P'):
        case NewChipID('P', 'Q'):
        case NewChipID('P', 'R'):
        case NewChipID('P', 'S'):
        case NewChipID('P', 'T'):
        case NewChipID('P', 'U'):
        case NewChipID('P', 'V'):
        case NewChipID('P', 'W'):
        case NewChipID('P', 'X'):
            return ATI_CHIP_RAGE128PROVR;

        case NewChipID('T', 'F'):
        case NewChipID('T', 'L'):
        case NewChipID('T', 'R'):
        case NewChipID('T', 'S'):
        case NewChipID('T', 'T'):
        case NewChipID('T', 'U'):
            return ATI_CHIP_RAGE128PROULTRA;

        case NewChipID('L', 'E'):
        case NewChipID('L', 'F'):
        /*
         * "LK" and "LL" are not in any ATI documentation I can find
         * - mharris
         */
        case NewChipID('L', 'K'):
        case NewChipID('L', 'L'):
            return ATI_CHIP_RAGE128MOBILITY3;

        case NewChipID('M', 'F'):
        case NewChipID('M', 'L'):
            return ATI_CHIP_RAGE128MOBILITY4;

        case NewChipID('Q', 'D'):
        case NewChipID('Q', 'E'):
        case NewChipID('Q', 'F'):
        case NewChipID('Q', 'G'):
            return ATI_CHIP_RADEON;

        case NewChipID('Q', 'Y'):
        case NewChipID('Q', 'Z'):
        case NewChipID('Q', '^'):
            return ATI_CHIP_RADEONVE;

        case NewChipID('L', 'Y'):
        case NewChipID('L', 'Z'):
            return ATI_CHIP_RADEONMOBILITY6;

        case NewChipID('A', '6'):
        case NewChipID('C', '6'):
             return ATI_CHIP_RS100;

        case NewChipID('A', '7'):
        case NewChipID('C', '7'):
             return ATI_CHIP_RS200;

        case NewChipID('D', '7'):
        case NewChipID('B', '7'):
             return ATI_CHIP_RS250;

        case NewChipID('L', 'W'):
        case NewChipID('L', 'X'):
            return ATI_CHIP_RADEONMOBILITY7;

        case NewChipID('Q', 'H'):
        case NewChipID('Q', 'I'):
        case NewChipID('Q', 'J'):
        case NewChipID('Q', 'K'):
        case NewChipID('Q', 'L'):
        case NewChipID('Q', 'M'):
        case NewChipID('Q', 'N'):
        case NewChipID('Q', 'O'):
        case NewChipID('Q', 'h'):
        case NewChipID('Q', 'i'):
        case NewChipID('Q', 'j'):
        case NewChipID('Q', 'k'):
        case NewChipID('Q', 'l'):
        case NewChipID('B', 'B'):
            return ATI_CHIP_R200;

        case NewChipID('Q', 'W'):
        case NewChipID('Q', 'X'):
            return ATI_CHIP_RV200;

        case NewChipID('I', 'f'):
        case NewChipID('I', 'g'):
            return ATI_CHIP_RV250;

        case NewChipID('L', 'd'):
        case NewChipID('L', 'f'):
        case NewChipID('L', 'g'):
            return ATI_CHIP_RADEONMOBILITY9;

        case NewChipID('X', '4'):
        case NewChipID('X', '5'):
             return ATI_CHIP_RS300;

        case NewChipID('x', '4'):
        case NewChipID('x', '5'):
             return ATI_CHIP_RS350;

        case NewChipID('Y', '\''):
        case NewChipID('Y', 'a'):
        case NewChipID('Y', 'b'):
        case NewChipID('Y', 'd'):
        case NewChipID('Y', 'e'):
            return ATI_CHIP_RV280;

        case NewChipID('\\', 'a'):
        case NewChipID('\\', 'c'):
            return ATI_CHIP_RADEONMOBILITY9PLUS;

        case NewChipID('A', 'D'):
        case NewChipID('A', 'E'):
        case NewChipID('A', 'F'):
        case NewChipID('A', 'G'):
        case NewChipID('N', 'D'):
        case NewChipID('N', 'E'):
        case NewChipID('N', 'F'):
        case NewChipID('N', 'G'):
            return ATI_CHIP_R300;

        case NewChipID('A', 'H'):
        case NewChipID('A', 'I'):
        case NewChipID('A', 'J'):
        case NewChipID('A', 'K'):
        case NewChipID('N', 'H'):
        case NewChipID('N', 'I'):
        case NewChipID('N', 'K'):
            return ATI_CHIP_R350;

        case NewChipID('A', 'P'):
        case NewChipID('A', 'Q'):
        case NewChipID('A', 'R'):
        case NewChipID('A', 'S'):
        case NewChipID('A', 'T'):
        case NewChipID('A', 'U'):
        case NewChipID('A', 'V'):
        case NewChipID('N', 'P'):
        case NewChipID('N', 'Q'):
        case NewChipID('N', 'R'):
        case NewChipID('N', 'S'):
        case NewChipID('N', 'T'):
        case NewChipID('N', 'V'):
            return ATI_CHIP_RV350;

        case NewChipID('N', 'J'):
            return ATI_CHIP_R360;

        case NewChipID('[', '\''):
        case NewChipID('[', 'b'):
        case NewChipID('[', 'c'):
        case NewChipID('[', 'd'):
        case NewChipID('[', 'e'):
        case NewChipID('T', '\''):
        case NewChipID('T', 'b'):
        case NewChipID('T', 'd'):
	    return ATI_CHIP_RV370;

        case NewChipID('>', 'P'):
        case NewChipID('>', 'T'):
        case NewChipID('1', 'P'):
        case NewChipID('1', 'R'):
        case NewChipID('1', 'T'):
	    return ATI_CHIP_RV380;

        case NewChipID('J', 'H'):
        case NewChipID('J', 'I'):
        case NewChipID('J', 'J'):
        case NewChipID('J', 'K'):
        case NewChipID('J', 'L'):
        case NewChipID('J', 'M'):
        case NewChipID('J', 'N'):
        case NewChipID('J', 'O'):
        case NewChipID('J', 'P'):
        case NewChipID('J', 'T'):
	    return ATI_CHIP_R420;

        case NewChipID('U', 'H'):
        case NewChipID('U', 'I'):
        case NewChipID('U', 'J'):
        case NewChipID('U', 'K'):
        case NewChipID('U', 'P'):
        case NewChipID('U', 'Q'):
        case NewChipID('U', 'R'):
        case NewChipID('U', 'T'):
        case NewChipID(']', 'W'):
        /* those are m28, not 100% certain they are r423 could
	   be r480 but not r430 as their pci id names indicate... */
        case NewChipID(']', 'H'):
        case NewChipID(']', 'I'):
        case NewChipID(']', 'J'):
	    return ATI_CHIP_R423;

        case NewChipID('U', 'L'):
        case NewChipID('U', 'M'):
        case NewChipID('U', 'N'):
        case NewChipID('U', 'O'):
	    return ATI_CHIP_R430;

        case NewChipID(']', 'L'):
        case NewChipID(']', 'M'):
        case NewChipID(']', 'N'):
        case NewChipID(']', 'O'):
        case NewChipID(']', 'P'):
        case NewChipID(']', 'R'):
	    return ATI_CHIP_R480;

        case NewChipID('K', 'I'):
        case NewChipID('K', 'J'):
        case NewChipID('K', 'K'):
        case NewChipID('K', 'L'):
	    return ATI_CHIP_R481;

        case NewChipID('^', 'H'):
        case NewChipID('^', 'J'):
        case NewChipID('^', 'K'):
        case NewChipID('^', 'L'):
        case NewChipID('^', 'M'):
        case NewChipID('^', 'O'):
        case NewChipID('V', 'J'):
        case NewChipID('V', 'K'):
        case NewChipID('V', 'O'):
        case NewChipID('V', 'R'):
        case NewChipID('V', 'S'):
	    return ATI_CHIP_RV410;

        case NewChipID('Z', 'A'):
        case NewChipID('Z', 'B'):
        case NewChipID('Z', 'a'):
        case NewChipID('Z', 'b'):
        case NewChipID('Y', 'T'):
        case NewChipID('Y', 'U'):
        case NewChipID('Y', 't'):
        case NewChipID('Y', 'u'):
	    return ATI_CHIP_RS400;

        case NewChipID('H', 'D'):
            return ATI_CHIP_HDTV;

        default:
            /*
             * Treat anything else as an unknown Radeon.  Please keep the above
             * up-to-date however, as it serves as a central chip list.
             */
            return ATI_CHIP_Radeon;
    }
}