r128_driver.c

x.org上有关ati系列显卡最新驱动

	case PCI_CHIP_RAGE128SM:
	case PCI_CHIP_RAGE128TF:
	case PCI_CHIP_RAGE128TL:
	case PCI_CHIP_RAGE128TR:
	/* FIXME: Rage 128 S[EFGHKLN], T[STU], P[ABCEGHIJKLMNOQSTUVWX] are
	 * believed to be AGP, but need confirmation. <[e-mail]>
	 */
	case PCI_CHIP_RAGE128PA:
	case PCI_CHIP_RAGE128PB:
	case PCI_CHIP_RAGE128PC:
	case PCI_CHIP_RAGE128PE:
	case PCI_CHIP_RAGE128PG:
	case PCI_CHIP_RAGE128PH:
	case PCI_CHIP_RAGE128PI:
	case PCI_CHIP_RAGE128PJ:
	case PCI_CHIP_RAGE128PK:
	case PCI_CHIP_RAGE128PL:
	case PCI_CHIP_RAGE128PM:
	case PCI_CHIP_RAGE128PN:
	case PCI_CHIP_RAGE128PO:
	case PCI_CHIP_RAGE128PQ:
	case PCI_CHIP_RAGE128PS:
	case PCI_CHIP_RAGE128PT:
	case PCI_CHIP_RAGE128PU:
	case PCI_CHIP_RAGE128PV:
	case PCI_CHIP_RAGE128PW:
	case PCI_CHIP_RAGE128PX:
	case PCI_CHIP_RAGE128TS:
	case PCI_CHIP_RAGE128TT:
	case PCI_CHIP_RAGE128TU:
	case PCI_CHIP_RAGE128SE:
	case PCI_CHIP_RAGE128SF:
	case PCI_CHIP_RAGE128SG:
	case PCI_CHIP_RAGE128SH:
	case PCI_CHIP_RAGE128SK:
	case PCI_CHIP_RAGE128SL:
	case PCI_CHIP_RAGE128SN:
	default:                 info->IsPCI = FALSE; break;
	}
    }
#endif

    return TRUE;
}

static Bool R128PreInitDDC(ScrnInfoPtr pScrn, xf86Int10InfoPtr pInt10)
{
#if !defined(__powerpc__) && !defined(__alpha__)
    R128InfoPtr   info = R128PTR(pScrn);
    vbeInfoPtr pVbe;
#endif

    if (!xf86LoadSubModule(pScrn, "ddc")) return FALSE;
    xf86LoaderReqSymLists(ddcSymbols, NULL);

#if defined(__powerpc__) || defined(__alpha__)
    /* Int10 is broken on PPC and some Alphas */
    return TRUE;
#else
    if (xf86LoadSubModule(pScrn, "vbe")) {
	xf86LoaderReqSymLists(vbeSymbols,NULL);
	pVbe = VBEInit(pInt10,info->pEnt->index);
	if (!pVbe) return FALSE;
        xf86SetDDCproperties(pScrn,xf86PrintEDID(vbeDoEDID(pVbe,NULL)));
	vbeFree(pVbe);
	return TRUE;
    } else
	return FALSE;
#endif
}

/* This is called by R128PreInit to initialize gamma correction. */
static Bool R128PreInitGamma(ScrnInfoPtr pScrn)
{
    Gamma zeros = { 0.0, 0.0, 0.0 };

    if (!xf86SetGamma(pScrn, zeros)) return FALSE;
    return TRUE;
}

static void
R128I2CGetBits(I2CBusPtr b, int *Clock, int *data)
{
    ScrnInfoPtr   pScrn       = xf86Screens[b->scrnIndex];
    R128InfoPtr info = R128PTR(pScrn);
    unsigned long val;
    unsigned char *R128MMIO = info->MMIO;

    /* Get the result. */
    val = INREG(info->DDCReg);
    *Clock = (val & R128_GPIO_MONID_Y_3) != 0;
    *data  = (val & R128_GPIO_MONID_Y_0) != 0;

}

static void
R128I2CPutBits(I2CBusPtr b, int Clock, int data)
{
    ScrnInfoPtr   pScrn       = xf86Screens[b->scrnIndex];
    R128InfoPtr info = R128PTR(pScrn);
    unsigned long val;
    unsigned char *R128MMIO = info->MMIO;

    val = INREG(info->DDCReg)
              & ~(CARD32)(R128_GPIO_MONID_EN_0 | R128_GPIO_MONID_EN_3);
    val |= (Clock ? 0:R128_GPIO_MONID_EN_3);
    val |= (data ? 0:R128_GPIO_MONID_EN_0);
    OUTREG(info->DDCReg, val);
}


static Bool
R128I2cInit(ScrnInfoPtr pScrn)
{
    R128InfoPtr info = R128PTR(pScrn);
    if ( xf86LoadSubModule(pScrn, "i2c") )
        xf86LoaderReqSymLists(i2cSymbols,NULL);
	else{
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
            "Failed to load i2c module\n");
		return FALSE;
    }

    info->pI2CBus = xf86CreateI2CBusRec();
    if(!info->pI2CBus) return FALSE;

    info->pI2CBus->BusName    = "DDC";
    info->pI2CBus->scrnIndex  = pScrn->scrnIndex;
    info->DDCReg = R128_GPIO_MONID;
    info->pI2CBus->I2CPutBits = R128I2CPutBits;
    info->pI2CBus->I2CGetBits = R128I2CGetBits;
    info->pI2CBus->AcknTimeout = 5;

    if (!xf86I2CBusInit(info->pI2CBus)) {
        return FALSE;
    }
    return TRUE;
}

/* return TRUE is a DFP is indeed connected to a DVI port */
static Bool R128GetDFPInfo(ScrnInfoPtr pScrn)
{
    R128InfoPtr info  = R128PTR(pScrn);
    int i;
    xf86MonPtr MonInfo = NULL;
    xf86MonPtr ddc;
    unsigned char *R128MMIO = info->MMIO;

    if(!R128I2cInit(pScrn)){
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                  "I2C initialization failed!\n");
    }

    OUTREG(info->DDCReg, (INREG(info->DDCReg)
           | R128_GPIO_MONID_MASK_0 | R128_GPIO_MONID_MASK_3));

    OUTREG(info->DDCReg, INREG(info->DDCReg)
           & ~(CARD32)(R128_GPIO_MONID_A_0 | R128_GPIO_MONID_A_3));

    MonInfo = xf86DoEDID_DDC2(pScrn->scrnIndex, info->pI2CBus);
    if(!MonInfo) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                   "No DFP detected\n");
        return FALSE;
    }
    xf86SetDDCproperties(pScrn, MonInfo);
    ddc = pScrn->monitor->DDC;

    for(i=0; i<4; i++)
    {
        if((ddc->det_mon[i].type == 0) &&
	  (ddc->det_mon[i].section.d_timings.h_active > 0) &&
	  (ddc->det_mon[i].section.d_timings.v_active > 0))
        {
            info->PanelXRes =
                ddc->det_mon[i].section.d_timings.h_active;
            info->PanelYRes =
                ddc->det_mon[i].section.d_timings.v_active;

            info->HOverPlus =
                ddc->det_mon[i].section.d_timings.h_sync_off;
            info->HSyncWidth =
                ddc->det_mon[i].section.d_timings.h_sync_width;
            info->HBlank =
                ddc->det_mon[i].section.d_timings.h_blanking;
            info->VOverPlus =
                ddc->det_mon[i].section.d_timings.v_sync_off;
            info->VSyncWidth =
                ddc->det_mon[i].section.d_timings.v_sync_width;
            info->VBlank =
                ddc->det_mon[i].section.d_timings.v_blanking;
        }
    }
    return TRUE;
}


static void R128SetSyncRangeFromEdid(ScrnInfoPtr pScrn, int flag)
{
    int i;
    xf86MonPtr ddc = pScrn->monitor->DDC;
    if(flag)  /*HSync*/
    {
        for(i=0; i<4; i++)
        {
            if(ddc->det_mon[i].type == DS_RANGES)
            {
                pScrn->monitor->nHsync = 1;
                pScrn->monitor->hsync[0].lo =
                    ddc->det_mon[i].section.ranges.min_h;
                pScrn->monitor->hsync[0].hi =
                    ddc->det_mon[i].section.ranges.max_h;
                return;
            }
        }
        /*if no sync ranges detected in detailed timing table,
          let's try to derive them from supported VESA modes
          Are we doing too much here!!!?
        **/
        i = 0;
        if(ddc->timings1.t1 & 0x02) /*800x600@56*/
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 35.2;
            i++;
        }
        if(ddc->timings1.t1 & 0x04) /*640x480@75*/
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 37.5;
            i++;
        }
        if((ddc->timings1.t1 & 0x08) || (ddc->timings1.t1 & 0x01))
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 37.9;
            i++;
        }
        if(ddc->timings1.t2 & 0x40)
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 46.9;
            i++;
        }
        if((ddc->timings1.t2 & 0x80) || (ddc->timings1.t2 & 0x08))
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 48.1;
            i++;
        }
        if(ddc->timings1.t2 & 0x04)
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 56.5;
            i++;
        }
        if(ddc->timings1.t2 & 0x02)
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 60.0;
            i++;
        }
        if(ddc->timings1.t2 & 0x01)
        {
            pScrn->monitor->hsync[i].lo =
                pScrn->monitor->hsync[i].hi = 64.0;
            i++;
        }
        pScrn->monitor->nHsync = i;
    }
    else      /*Vrefresh*/
    {
        for(i=0; i<4; i++)
        {
            if(ddc->det_mon[i].type == DS_RANGES)
            {
                pScrn->monitor->nVrefresh = 1;
                pScrn->monitor->vrefresh[0].lo =
                    ddc->det_mon[i].section.ranges.min_v;
                pScrn->monitor->vrefresh[0].hi =
                    ddc->det_mon[i].section.ranges.max_v;
                return;
            }
        }
        i = 0;
        if(ddc->timings1.t1 & 0x02) /*800x600@56*/
        {
            pScrn->monitor->vrefresh[i].lo =
                pScrn->monitor->vrefresh[i].hi = 56;
            i++;
        }
        if((ddc->timings1.t1 & 0x01) || (ddc->timings1.t2 & 0x08))
        {
            pScrn->monitor->vrefresh[i].lo =
                pScrn->monitor->vrefresh[i].hi = 60;
            i++;
        }
        if(ddc->timings1.t2 & 0x04)
        {
            pScrn->monitor->vrefresh[i].lo =
                pScrn->monitor->vrefresh[i].hi = 70;
            i++;
        }
        if((ddc->timings1.t1 & 0x08) || (ddc->timings1.t2 & 0x80))
        {
            pScrn->monitor->vrefresh[i].lo =
                pScrn->monitor->vrefresh[i].hi = 72;
            i++;
        }
        if((ddc->timings1.t1 & 0x04) || (ddc->timings1.t2 & 0x40)
           || (ddc->timings1.t2 & 0x02) || (ddc->timings1.t2 & 0x01))
        {
            pScrn->monitor->vrefresh[i].lo =
                pScrn->monitor->vrefresh[i].hi = 75;
            i++;
        }
        pScrn->monitor->nVrefresh = i;
    }
}

/***********
   xfree's xf86ValidateModes routine deosn't work well with DFPs
   here is our own validation routine. All modes between
   640<=XRes<=MaxRes and 480<=YRes<=MaxYRes will be permitted.
   NOTE: RageProII doesn't support rmx, can only work with the
         standard modes the monitor can support (scale).
************/

static int R128ValidateFPModes(ScrnInfoPtr pScrn)
{
    int i, j, count=0, width, height;
    R128InfoPtr info = R128PTR(pScrn);
    DisplayModePtr last = NULL, new = NULL, first = NULL;
    xf86MonPtr ddc;

    /* Free any allocated modes during configuration. We don't need them*/
    while (pScrn->modes)
    {
	    xf86DeleteMode(&pScrn->modes, pScrn->modes);
    }
    while (pScrn->modePool)
    {
	    xf86DeleteMode(&pScrn->modePool, pScrn->modePool);
    }

    pScrn->virtualX = pScrn->display->virtualX;
    pScrn->virtualY = pScrn->display->virtualY;

    /* If no mode specified in config, we use native resolution*/
    if(!pScrn->display->modes[0])
    {
        pScrn->display->modes[0] = xnfalloc(16);
        sprintf(pScrn->display->modes[0], "%dx%d",
               info->PanelXRes, info->PanelYRes);
    }

    for(i=0; pScrn->display->modes[i] != NULL; i++)
    {
        if (sscanf(pScrn->display->modes[i], "%dx%d", &width, &height) == 2)
        {

            if(width < 640 || width > info->PanelXRes ||
               height < 480 || height > info->PanelYRes)
            {
                xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
                    "Mode %s is out of range.\n"
                    "Valid mode should be between 640x480-%dx%d\n",
                    pScrn->display->modes[i], info->PanelXRes, info->PanelYRes);
                continue;
            }

            new = xnfcalloc(1, sizeof(DisplayModeRec));
            new->prev = last;
            new->name = xnfalloc(strlen(pScrn->display->modes[i]) + 1);
            strcpy(new->name, pScrn->display->modes[i]);
            new->HDisplay = new->CrtcHDisplay = width;
            new->VDisplay = new->CrtcVDisplay = height;

            ddc = pScrn->monitor->DDC;
            for(j=0; j<DET_TIMINGS; j++)
            {
                /*We use native mode clock only*/
                if(ddc->det_mon[j].type == 0){
                    new->Clock = ddc->det_mon[j].section.d_timings.clock / 1000;
                    break;
                }
            }

            if(new->prev) new->prev->next = new;
            last = new;
            if(!first) first = new;
            pScrn->display->virtualX =
            pScrn->virtualX = MAX(pScrn->virtualX, width);
            pScrn->display->virtualY =
            pScrn->virtualY = MAX(pScrn->virtualY, height);
            count++;
        }
        else
        {
            xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
                "Mode name %s is invalid\n", pScrn->display->modes[i]);
            continue;
        }
   }

   if(last)
   {
       last->next = first;
       first->prev = last;
       pScrn->modes = first;

       /*FIXME: May need to validate line pitch here*/
       {
           int dummy = 0;
           switch(pScrn->depth / 8)
           {
              case 1:
                  dummy = 128 - pScrn->virtualX % 128;
                  break;
              case 2:
                  dummy = 32 - pScrn->virtualX % 32;
                  break;
              case 3:
              case 4:
                  dummy = 16 - pScrn->virtualX % 16;
           }
           pScrn->displayWidth = pScrn->virtualX + dummy;
       }

   }

   return count;
}


/* This is called by R128PreInit to validate modes and compute parameters
   for all of the valid modes. */
static Bool R128PreInitModes(ScrnInfoPtr pScrn)
{
    R128InfoPtr   info = R128PTR(pScrn);
    ClockRangePtr clockRanges;
    int           modesFound;

    if(info->isDFP) {