Re: [LinuxBIOS] any chance to get X fbdev driver to work ?

[Christian Sühs]

Sorry,

here is a bit from the file

Bool VIAGetBIOSTable(VIABIOSInfoPtr pBIOSInfo)
{
    VIAModeTablePtr pViaModeTable = pBIOSInfo->pModeTable;
    unsigned char   *pBIOS = NULL, *pRom, *pTable, *pFPanel, *pLCDTable, *pSuptTable;
    unsigned char   *pRefreshTableStart;
    unsigned char   *pRefreshIndexTable;
    unsigned char   *pRefreshTable;
    unsigned char   numSuptPanel, numEntry;
    unsigned short  tableSize;
    int             romSize;
    int             i = 0, j, k, m, sum;

DEBUG(xf86DrvMsg(pBIOSInfo->scrnIndex, X_INFO, "VIAGetBIOSTable\n"));

if (!(pBIOS=xcalloc(1, 0x10000)))  {
        ErrorF("Allocate memory fail !!\n");
        return FALSE;
    }

if (xf86ReadBIOS(0xC0000, 0, pBIOS, 0x10000) != 0x10000)  {
        pBIOSInfo->UseBIOS = FALSE;
        xfree(pBIOS);
        ErrorF("Read VGA BIOS image fail !!\n");
    }
    else {
        if (*((CARD16 *) pBIOS) != 0xAA55) {
            pBIOSInfo->UseBIOS = FALSE;
            xfree(pBIOS);
            ErrorF("VGA BIOS image is wrong!!\n");
        }
        else {
            romSize = *((CARD8 *) (pBIOS + VIA_BIOS_SIZE_POS)) * 512;
            pRom = pBIOS;
            sum = 0;

for (i = 0; i < romSize; i++) {
                sum += *pRom++;
            }

if (((CARD8) sum) != 0) {
                pBIOSInfo->UseBIOS = FALSE;
                xfree(pBIOS);
                ErrorF("VGA BIOS image is wrong!! CheckSum = %x\n", sum);
            }
        }
    }