libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 643 insertions, 639 deletions

diff --git a/xorg-server/hw/xfree86/ramdac/IBM.c b/xorg-server/hw/xfree86/ramdac/IBM.c
index 3a477d7be..bc716231a 100644
--- a/xorg-server/hw/xfree86/ramdac/IBM.c
+++ b/xorg-server/hw/xfree86/ramdac/IBM.c
@@ -1,639 +1,643 @@
-/*

- * Copyright 1998 by Alan Hourihane, Wigan, England.

- *

- * Permission to use, copy, modify, distribute, and sell this software and its

- * documentation for any purpose is hereby granted without fee, provided that

- * the above copyright notice appear in all copies and that both that

- * copyright notice and this permission notice appear in supporting

- * documentation, and that the name of Alan Hourihane not be used in

- * advertising or publicity pertaining to distribution of the software without

- * specific, written prior permission.  Alan Hourihane makes no representations

- * about the suitability of this software for any purpose.  It is provided

- * "as is" without express or implied warranty.

- *

- * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

- * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR

- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

- * PERFORMANCE OF THIS SOFTWARE.

- *

- * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>

- *

- * IBM RAMDAC routines.

- */

-

-#ifdef HAVE_XORG_CONFIG_H

-#include <xorg-config.h>

-#endif

-

-#include "xf86.h"

-#include "xf86_OSproc.h"

-

-#include "xf86Cursor.h"

-

-#define INIT_IBM_RAMDAC_INFO

-#include "IBMPriv.h"

-#include "xf86RamDacPriv.h"

-

-#define INITIALFREQERR 100000

-

-unsigned long

-IBMramdac640CalculateMNPCForClock(

-    unsigned long RefClock,	/* In 100Hz units */

-    unsigned long ReqClock,	/* In 100Hz units */

-    char IsPixClock,	/* boolean, is this the pixel or the sys clock */

-    unsigned long MinClock,	/* Min VCO rating */

-    unsigned long MaxClock,	/* Max VCO rating */

-    unsigned long *rM,	/* M Out */

-    unsigned long *rN,	/* N Out */

-    unsigned long *rP,	/* Min P In, P Out */

-    unsigned long *rC	/* C Out */

-)

-{

-  unsigned long   M, N, P, iP = *rP;

-  unsigned long   IntRef, VCO, Clock;

-  long            freqErr, lowestFreqErr = INITIALFREQERR;

-  unsigned long   ActualClock = 0;

-

-  for (N = 0; N <= 63; N++)

-    {

-      IntRef = RefClock / (N + 1);

-      if (IntRef < 10000)

-	break;			/* IntRef needs to be >= 1MHz */

-      for (M = 2; M <= 127; M++)

-	{

-	  VCO = IntRef * (M + 1);

-	  if ((VCO < MinClock) || (VCO > MaxClock))

-	    continue;

-	  for (P = iP; P <= 4; P++)

-	    {

-	      if (P != 0)

-		Clock = (RefClock * (M + 1)) / ((N + 1) * 2 * P);

-	      else

-		Clock = (RefClock * (M + 1)) / (N + 1);

-

-	      freqErr = (Clock - ReqClock);

-

-	      if (freqErr < 0)

-		{

-		  /* PixelClock gets rounded up always so monitor reports

-		     correct frequency. */

-		  if (IsPixClock)

-		    continue;

-		  freqErr = -freqErr;

-		}

-

-	      if (freqErr < lowestFreqErr)

-		{

-		  *rM = M;

-		  *rN = N;

-		  *rP = P;

-		  *rC = (VCO <= 1280000 ? 1 : 2);

-		  ActualClock = Clock;

-

-		  lowestFreqErr = freqErr;

-		  /* Return if we found an exact match */

-		  if (freqErr == 0)

-		    return ActualClock;

-		}

-	    }

-	}

-    }

-

-  return ActualClock;

-}

-

-unsigned long

-IBMramdac526CalculateMNPCForClock(

-    unsigned long RefClock,	/* In 100Hz units */

-    unsigned long ReqClock,	/* In 100Hz units */

-    char IsPixClock,	/* boolean, is this the pixel or the sys clock */

-    unsigned long MinClock,	/* Min VCO rating */

-    unsigned long MaxClock,	/* Max VCO rating */

-    unsigned long *rM,	/* M Out */

-    unsigned long *rN,	/* N Out */

-    unsigned long *rP,	/* Min P In, P Out */

-    unsigned long *rC	/* C Out */

-)

-{

-  unsigned long   M, N, P, iP = *rP;

-  unsigned long   IntRef, VCO, Clock;

-  long            freqErr, lowestFreqErr = INITIALFREQERR;

-  unsigned long   ActualClock = 0;

-

-  for (N = 0; N <= 63; N++)

-    {

-      IntRef = RefClock / (N + 1);

-      if (IntRef < 10000)

-	break;			/* IntRef needs to be >= 1MHz */

-      for (M = 0; M <= 63; M++)

-	{

-	  VCO = IntRef * (M + 1);

-	  if ((VCO < MinClock) || (VCO > MaxClock))

-	    continue;

-	  for (P = iP; P <= 4; P++)

-	    {

-	      if (P)

-		Clock = (RefClock * (M + 1)) / ((N + 1) * 2 * P);

-	      else

-		Clock = VCO;

-

-	      freqErr = (Clock - ReqClock);

-

-	      if (freqErr < 0)

-		{

-		  /* PixelClock gets rounded up always so monitor reports

-		     correct frequency. */

-		  if (IsPixClock)

-		    continue;

-		  freqErr = -freqErr;

-		}

-

-	      if (freqErr < lowestFreqErr)

-		{

-		  *rM = M;

-		  *rN = N;

-		  *rP = P;

-		  *rC = (VCO <= 1280000 ? 1 : 2);

-		  ActualClock = Clock;

-

-		  lowestFreqErr = freqErr;

-		  /* Return if we found an exact match */

-		  if (freqErr == 0)

-		    return ActualClock;

-		}

-	    }

-	}

-    }

-

-  return ActualClock;

-}

-

-void

-IBMramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr,

-				    RamDacRegRecPtr ramdacReg)

-{

-	int i, maxreg, dacreg;

-

-	switch (ramdacPtr->RamDacType) {

-	    case IBM640_RAMDAC:

-		maxreg = 0x300;

-		dacreg = 1024;

-		break;

-	    default:

-		maxreg = 0x100;

-		dacreg = 768;

-		break;

-	}

-

-	/* Here we pass a short, so that we can evaluate a mask too */

-	/* So that the mask is the high byte and the data the low byte */

-	for (i=0;i<maxreg;i++) 

-	    (*ramdacPtr->WriteDAC)

-	        (pScrn, i, (ramdacReg->DacRegs[i] & 0xFF00) >> 8, 

-						ramdacReg->DacRegs[i]);

-

-	(*ramdacPtr->WriteAddress)(pScrn, 0);

-	for (i=0;i<dacreg;i++)

-	    	(*ramdacPtr->WriteData)(pScrn, ramdacReg->DAC[i]);

-}

-

-void

-IBMramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr, 

-				 RamDacRegRecPtr ramdacReg)

-{

-	int i, maxreg, dacreg;

-

-	switch (ramdacPtr->RamDacType) {

-	    case IBM640_RAMDAC:

-		maxreg = 0x300;

-		dacreg = 1024;

-		break;

-	    default:

-		maxreg = 0x100;

-		dacreg = 768;

-		break;

-	}

-	

-	(*ramdacPtr->ReadAddress)(pScrn, 0);

-	for (i=0;i<dacreg;i++)

-	    ramdacReg->DAC[i] = (*ramdacPtr->ReadData)(pScrn);

-

-	for (i=0;i<maxreg;i++) 

-	    ramdacReg->DacRegs[i] = (*ramdacPtr->ReadDAC)(pScrn, i);

-}

-

-RamDacHelperRecPtr

-IBMramdacProbe(ScrnInfoPtr pScrn, RamDacSupportedInfoRecPtr ramdacs/* , RamDacRecPtr ramdacPtr*/)

-{

-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-    RamDacHelperRecPtr ramdacHelperPtr = NULL;

-    Bool RamDacIsSupported = FALSE;

-    int IBMramdac_ID = -1;

-    int i;

-    unsigned char id, rev, id2, rev2;

-

-    /* read ID and revision */

-    rev = (*ramdacPtr->ReadDAC)(pScrn, IBMRGB_rev);

-    id = (*ramdacPtr->ReadDAC)(pScrn, IBMRGB_id);

-

-    /* check if ID and revision are read only */

-    (*ramdacPtr->WriteDAC)(pScrn, ~rev, 0, IBMRGB_rev);

-    (*ramdacPtr->WriteDAC)(pScrn, ~id, 0, IBMRGB_id);

-    rev2 = (*ramdacPtr->ReadDAC)(pScrn, IBMRGB_rev);

-    id2 = (*ramdacPtr->ReadDAC)(pScrn, IBMRGB_id);

-

-    switch (id) {

-	case 0x30:

-		if (rev == 0xc0) IBMramdac_ID = IBM624_RAMDAC;

-		if (rev == 0x80) IBMramdac_ID = IBM624DB_RAMDAC;

-		break;

-	case 0x12:

-		if (rev == 0x1c) IBMramdac_ID = IBM640_RAMDAC;

-		break;

-	case 0x01:

-		IBMramdac_ID = IBM525_RAMDAC;

-		break;

-	case 0x02:

-		if (rev == 0xf0) IBMramdac_ID = IBM524_RAMDAC;

-		if (rev == 0xe0) IBMramdac_ID = IBM524A_RAMDAC;

-		if (rev == 0xc0) IBMramdac_ID = IBM526_RAMDAC;

-		if (rev == 0x80) IBMramdac_ID = IBM526DB_RAMDAC;

-		break;

-    }

-

-    if (id == 1 || id == 2) {

-        if (id == id2 && rev == rev2) {		/* IBM RGB52x found */

-	    /* check for 128bit VRAM -> RGB528 */

-	    if (((*ramdacPtr->ReadDAC)(pScrn, IBMRGB_misc1) & 0x03) == 0x03) {

-	        IBMramdac_ID = IBM528_RAMDAC;	/* 128bit DAC found */

-	        if (rev == 0xe0)

-		    IBMramdac_ID = IBM528A_RAMDAC;

-	    }

-        }

-    }

-

-    (*ramdacPtr->WriteDAC)(pScrn, rev, 0, IBMRGB_rev);

-    (*ramdacPtr->WriteDAC)(pScrn, id, 0, IBMRGB_id);

-

-    if (IBMramdac_ID == -1) {

-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

-		"Cannot determine IBM RAMDAC type, aborting\n");

-	return NULL;

-    } else {

-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

-		"Attached RAMDAC is %s\n", IBMramdacDeviceInfo[IBMramdac_ID&0xFFFF].DeviceName);

-    }

-

-    for (i=0;ramdacs[i].token != -1;i++) {

-	if (ramdacs[i].token == IBMramdac_ID)

-	    RamDacIsSupported = TRUE;

-    }

-

-    if (!RamDacIsSupported) {

-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

-		"This IBM RAMDAC is NOT supported by this driver, aborting\n");

-	return NULL;

-    }

-

-    ramdacHelperPtr = RamDacHelperCreateInfoRec();

-    switch (IBMramdac_ID) {

-	case IBM526_RAMDAC:

-	case IBM526DB_RAMDAC:

- 	    ramdacHelperPtr->SetBpp = IBMramdac526SetBpp;

-    	    ramdacHelperPtr->HWCursorInit = IBMramdac526HWCursorInit;

-	    break;

-	case IBM640_RAMDAC:

- 	    ramdacHelperPtr->SetBpp = IBMramdac640SetBpp;

-    	    ramdacHelperPtr->HWCursorInit = IBMramdac640HWCursorInit;

-	    break;

-    }

-    ramdacPtr->RamDacType = IBMramdac_ID;

-    ramdacHelperPtr->RamDacType = IBMramdac_ID;

-    ramdacHelperPtr->Save = IBMramdacSave;

-    ramdacHelperPtr->Restore = IBMramdacRestore;

-

-    return ramdacHelperPtr;

-}

-

-void

-IBMramdac526SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)

-{

-    ramdacReg->DacRegs[IBMRGB_key_control] = 0x00; /* Disable Chroma Key */

-

-    switch (pScrn->bitsPerPixel) {

-	case 32:

-	    ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_32BPP;

-	    ramdacReg->DacRegs[IBMRGB_32bpp] = B32_DCOL_DIRECT;

-	    ramdacReg->DacRegs[IBMRGB_24bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_16bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_8bpp] = 0;

-	    if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {

-		ramdacReg->DacRegs[IBMRGB_key_control] = 0x01; /* Enable Key */

-		ramdacReg->DacRegs[IBMRGB_key] = 0xFF; 

-		ramdacReg->DacRegs[IBMRGB_key_mask] = 0xFF;

-	    }

-	    break;

-	case 24:

-	    ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_24BPP;

-	    ramdacReg->DacRegs[IBMRGB_32bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_24bpp] = B24_DCOL_DIRECT;

-	    ramdacReg->DacRegs[IBMRGB_16bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_8bpp] = 0;

-	    break;

-	case 16:

-	    if (pScrn->depth == 16) {

-	        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_16BPP;

-	        ramdacReg->DacRegs[IBMRGB_32bpp] = 0;

-	        ramdacReg->DacRegs[IBMRGB_24bpp] = 0;

-	        ramdacReg->DacRegs[IBMRGB_16bpp] = B16_DCOL_DIRECT|B16_LINEAR |

-					           B16_CONTIGUOUS | B16_565;

-	        ramdacReg->DacRegs[IBMRGB_8bpp] = 0;

-	    } else {

-	        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_16BPP;

-	        ramdacReg->DacRegs[IBMRGB_32bpp] = 0;

-	        ramdacReg->DacRegs[IBMRGB_24bpp] = 0;

-	        ramdacReg->DacRegs[IBMRGB_16bpp] = B16_DCOL_DIRECT|B16_LINEAR |

-					           B16_CONTIGUOUS | B16_555;

-	        ramdacReg->DacRegs[IBMRGB_8bpp] = 0;

-	    }

-	    break;

-	case 8:

-	    ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_8BPP;

-	    ramdacReg->DacRegs[IBMRGB_32bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_24bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_16bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_8bpp] = B8_DCOL_INDIRECT;

-	    break;

-	case 4:

-	    ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_4BPP;

-	    ramdacReg->DacRegs[IBMRGB_32bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_24bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_16bpp] = 0;

-	    ramdacReg->DacRegs[IBMRGB_8bpp] = 0;

-    }

-}

-

-IBMramdac526SetBppProc *IBMramdac526SetBppWeak(void) {

-    return IBMramdac526SetBpp;

-}

-

-void

-IBMramdac640SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)

-{

-    unsigned char bpp = 0x00;

-    unsigned char overlaybpp = 0x00;

-    unsigned char offset = 0x00;

-    unsigned char dispcont = 0x44;

-

-    ramdacReg->DacRegs[RGB640_SER_WID_03_00] = 0x00;

-    ramdacReg->DacRegs[RGB640_SER_WID_07_04] = 0x00;

-    ramdacReg->DacRegs[RGB640_DIAGS] = 0x07;

-

-    switch (pScrn->depth) {

-	case 8:

-	    ramdacReg->DacRegs[RGB640_SER_07_00] = 0x00; 

-	    ramdacReg->DacRegs[RGB640_SER_15_08] = 0x00;

-	    ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;

-	    ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;

-    	    ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_16_1; /*16:1 Mux*/

-    	    ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8; /* pll / 8 */

-	    bpp = 0x03;

-	    break;

-	case 15:

-	    ramdacReg->DacRegs[RGB640_SER_07_00] = 0x10;

-	    ramdacReg->DacRegs[RGB640_SER_15_08] = 0x11;

-	    ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;

-	    ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;

-    	    ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_8_1; /* 8:1 Mux*/

-    	    ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8; /* pll / 8 */

-	    bpp = 0x0E;

-	    break;

-	case 16:

-	    ramdacReg->DacRegs[RGB640_SER_07_00] = 0x10;

-	    ramdacReg->DacRegs[RGB640_SER_15_08] = 0x11;

-	    ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;

-	    ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;

-    	    ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_8_1; /* 8:1 Mux*/

-    	    ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8; /* pll / 8 */

-	    bpp = 0x05;

-	    break;

-	case 24:

-	    ramdacReg->DacRegs[RGB640_SER_07_00] = 0x30; 

-	    ramdacReg->DacRegs[RGB640_SER_15_08] = 0x31;

-	    ramdacReg->DacRegs[RGB640_SER_23_16] = 0x32;

-	    ramdacReg->DacRegs[RGB640_SER_31_24] = 0x33;

-    	    ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_4_1; /* 4:1 Mux*/

-    	    ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8; /* pll / 8 */

-	    bpp = 0x09;

-	    if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {

-		ramdacReg->DacRegs[RGB640_SER_WID_07_04] = 0x04;

-		ramdacReg->DacRegs[RGB640_CHROMA_KEY0] = 0xFF;

-		ramdacReg->DacRegs[RGB640_CHROMA_MASK0] = 0xFF;

-		offset = 0x04;

-		overlaybpp = 0x04;

-		dispcont = 0x48;

-	    }

-	    break;

-	case 30: /* 10 bit dac */

-	    ramdacReg->DacRegs[RGB640_SER_07_00] = 0x30; 

-	    ramdacReg->DacRegs[RGB640_SER_15_08] = 0x31;

-	    ramdacReg->DacRegs[RGB640_SER_23_16] = 0x32;

-	    ramdacReg->DacRegs[RGB640_SER_31_24] = 0x33;

-    	    ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_4_1; /* 4:1 Mux*/

-    	    ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PSIZE10 | 

-						   IBM640_PCLK_8; /* pll / 8 */

-	    bpp = 0x0D;

-	    break;

-    }

-	

-    { 

-	int i;

-    	for (i=0x100;i<0x140;i+=4) {

-	    /* Initialize FrameBuffer Window Attribute Table */

-	    ramdacReg->DacRegs[i+0] = bpp;

-	    ramdacReg->DacRegs[i+1] = offset;

-	    ramdacReg->DacRegs[i+2] = 0x00;

-	    ramdacReg->DacRegs[i+3] = 0x00;

-	    /* Initialize Overlay Window Attribute Table */

-	    ramdacReg->DacRegs[i+0x100] = overlaybpp;

-	    ramdacReg->DacRegs[i+0x101] = 0x00;

-	    ramdacReg->DacRegs[i+0x102] = 0x00;

-	    ramdacReg->DacRegs[i+0x103] = dispcont;

-        }

-    }

-}

-

-static void 

-IBMramdac526ShowCursor(ScrnInfoPtr pScrn)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   /* Enable cursor - X11 mode */

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs, 0x00, 0x07);

-}

-

-static void 

-IBMramdac640ShowCursor(ScrnInfoPtr pScrn)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   /* Enable cursor - mode2 (x11 mode) */

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURSOR_CONTROL, 0x00, 0x0B);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CROSSHAIR_CONTROL, 0x00, 0x00);

-}

-

-static void

-IBMramdac526HideCursor(ScrnInfoPtr pScrn)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   /* Disable cursor - X11 mode */

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs, 0x00, 0x24);

-}

-

-static void

-IBMramdac640HideCursor(ScrnInfoPtr pScrn)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   /* Disable cursor - mode2 (x11 mode) */

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURSOR_CONTROL, 0x00, 0x08);

-}

-

-static void

-IBMramdac526SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   x += 64;

-   y += 64;

-

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_hot_x, 0x00, 0x3f);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_hot_y, 0x00, 0x3f);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_xl, 0x00, x & 0xff);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_xh, 0x00, (x>>8) & 0xf);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_yl, 0x00, y & 0xff);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_yh, 0x00, (y>>8) & 0xf);

-}

-

-static void

-IBMramdac640SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   x += 64;

-   y += 64;

-

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_OFFSETX, 0x00, 0x3f);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_OFFSETY, 0x00, 0x3f);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_X_LOW, 0x00, x & 0xff);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_X_HIGH, 0x00, (x>>8) & 0xf);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_Y_LOW, 0x00, y & 0xff);

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_Y_HIGH, 0x00, (y>>8) & 0xf);

-}

-

-static void

-IBMramdac526SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col1_r, 0x00, bg >> 16);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col1_g, 0x00, bg >> 8);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col1_b, 0x00, bg);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col2_r, 0x00, fg >> 16);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col2_g, 0x00, fg >> 8);

-   (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_col2_b, 0x00, fg);

-}

-

-static void

-IBMramdac640SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-  

-   (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_COL0, 0x00, 0);

-   (*ramdacPtr->WriteData)(pScrn, fg>>16);

-   (*ramdacPtr->WriteData)(pScrn, fg>>8);

-   (*ramdacPtr->WriteData)(pScrn, fg);

-   (*ramdacPtr->WriteData)(pScrn, bg>>16);

-   (*ramdacPtr->WriteData)(pScrn, bg>>8);

-   (*ramdacPtr->WriteData)(pScrn, bg);

-   (*ramdacPtr->WriteData)(pScrn, fg>>16);

-   (*ramdacPtr->WriteData)(pScrn, fg>>8);

-   (*ramdacPtr->WriteData)(pScrn, fg);

-   (*ramdacPtr->WriteData)(pScrn, bg>>16);

-   (*ramdacPtr->WriteData)(pScrn, bg>>8);

-   (*ramdacPtr->WriteData)(pScrn, bg);

-}

-

-static void 

-IBMramdac526LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-   int i;

-   /* 

-    * Output the cursor data.  The realize function has put the planes into

-    * their correct order, so we can just blast this out.

-    */

-   for (i = 0; i < 1024; i++)

-      (*ramdacPtr->WriteDAC)(pScrn, IBMRGB_curs_array + i, 0x00, (*src++));

-}

-

-static void 

-IBMramdac640LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)

-{

-   RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

-   int i;

-   /* 

-    * Output the cursor data.  The realize function has put the planes into

-    * their correct order, so we can just blast this out.

-    */

-   for (i = 0; i < 1024; i++)

-      (*ramdacPtr->WriteDAC)(pScrn, RGB640_CURS_WRITE + i, 0x00, (*src++));

-}

-

-static Bool 

-IBMramdac526UseHWCursor(ScreenPtr pScr, CursorPtr pCurs)

-{

-    return TRUE;

-}

-

-static Bool 

-IBMramdac640UseHWCursor(ScreenPtr pScr, CursorPtr pCurs)

-{

-    return TRUE;

-}

-

-void

-IBMramdac526HWCursorInit(xf86CursorInfoPtr infoPtr)

-{

-    infoPtr->MaxWidth = 64;

-    infoPtr->MaxHeight = 64;

-    infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |

-		     HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |

-		     HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;

-    infoPtr->SetCursorColors = IBMramdac526SetCursorColors;

-    infoPtr->SetCursorPosition = IBMramdac526SetCursorPosition;

-    infoPtr->LoadCursorImage = IBMramdac526LoadCursorImage;

-    infoPtr->HideCursor = IBMramdac526HideCursor;

-    infoPtr->ShowCursor = IBMramdac526ShowCursor;

-    infoPtr->UseHWCursor = IBMramdac526UseHWCursor;

-}

-

-void

-IBMramdac640HWCursorInit(xf86CursorInfoPtr infoPtr)

-{

-    infoPtr->MaxWidth = 64;

-    infoPtr->MaxHeight = 64;

-    infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |

-		     HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |

-		     HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;

-    infoPtr->SetCursorColors = IBMramdac640SetCursorColors;

-    infoPtr->SetCursorPosition = IBMramdac640SetCursorPosition;

-    infoPtr->LoadCursorImage = IBMramdac640LoadCursorImage;

-    infoPtr->HideCursor = IBMramdac640HideCursor;

-    infoPtr->ShowCursor = IBMramdac640ShowCursor;

-    infoPtr->UseHWCursor = IBMramdac640UseHWCursor;

-}

+/*
+ * Copyright 1998 by Alan Hourihane, Wigan, England.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Alan Hourihane not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Alan Hourihane makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>
+ *
+ * IBM RAMDAC routines.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include "xf86Cursor.h"
+
+#define INIT_IBM_RAMDAC_INFO
+#include "IBMPriv.h"
+#include "xf86RamDacPriv.h"
+
+#define INITIALFREQERR 100000
+
+unsigned long
+IBMramdac640CalculateMNPCForClock(unsigned long RefClock,       /* In 100Hz units */
+                                  unsigned long ReqClock,       /* In 100Hz units */
+                                  char IsPixClock,      /* boolean, is this the pixel or the sys clock */
+                                  unsigned long MinClock,       /* Min VCO rating */
+                                  unsigned long MaxClock,       /* Max VCO rating */
+                                  unsigned long *rM,    /* M Out */
+                                  unsigned long *rN,    /* N Out */
+                                  unsigned long *rP,    /* Min P In, P Out */
+                                  unsigned long *rC     /* C Out */
+    )
+{
+    unsigned long M, N, P, iP = *rP;
+    unsigned long IntRef, VCO, Clock;
+    long freqErr, lowestFreqErr = INITIALFREQERR;
+    unsigned long ActualClock = 0;
+
+    for (N = 0; N <= 63; N++) {
+        IntRef = RefClock / (N + 1);
+        if (IntRef < 10000)
+            break;              /* IntRef needs to be >= 1MHz */
+        for (M = 2; M <= 127; M++) {
+            VCO = IntRef * (M + 1);
+            if ((VCO < MinClock) || (VCO > MaxClock))
+                continue;
+            for (P = iP; P <= 4; P++) {
+                if (P != 0)
+                    Clock = (RefClock * (M + 1)) / ((N + 1) * 2 * P);
+                else
+                    Clock = (RefClock * (M + 1)) / (N + 1);
+
+                freqErr = (Clock - ReqClock);
+
+                if (freqErr < 0) {
+                    /* PixelClock gets rounded up always so monitor reports
+                       correct frequency. */
+                    if (IsPixClock)
+                        continue;
+                    freqErr = -freqErr;
+                }
+
+                if (freqErr < lowestFreqErr) {
+                    *rM = M;
+                    *rN = N;
+                    *rP = P;
+                    *rC = (VCO <= 1280000 ? 1 : 2);
+                    ActualClock = Clock;
+
+                    lowestFreqErr = freqErr;
+                    /* Return if we found an exact match */
+                    if (freqErr == 0)
+                        return ActualClock;
+                }
+            }
+        }
+    }
+
+    return ActualClock;
+}
+
+unsigned long
+IBMramdac526CalculateMNPCForClock(unsigned long RefClock,       /* In 100Hz units */
+                                  unsigned long ReqClock,       /* In 100Hz units */
+                                  char IsPixClock,      /* boolean, is this the pixel or the sys clock */
+                                  unsigned long MinClock,       /* Min VCO rating */
+                                  unsigned long MaxClock,       /* Max VCO rating */
+                                  unsigned long *rM,    /* M Out */
+                                  unsigned long *rN,    /* N Out */
+                                  unsigned long *rP,    /* Min P In, P Out */
+                                  unsigned long *rC     /* C Out */
+    )
+{
+    unsigned long M, N, P, iP = *rP;
+    unsigned long IntRef, VCO, Clock;
+    long freqErr, lowestFreqErr = INITIALFREQERR;
+    unsigned long ActualClock = 0;
+
+    for (N = 0; N <= 63; N++) {
+        IntRef = RefClock / (N + 1);
+        if (IntRef < 10000)
+            break;              /* IntRef needs to be >= 1MHz */
+        for (M = 0; M <= 63; M++) {
+            VCO = IntRef * (M + 1);
+            if ((VCO < MinClock) || (VCO > MaxClock))
+                continue;
+            for (P = iP; P <= 4; P++) {
+                if (P)
+                    Clock = (RefClock * (M + 1)) / ((N + 1) * 2 * P);
+                else
+                    Clock = VCO;
+
+                freqErr = (Clock - ReqClock);
+
+                if (freqErr < 0) {
+                    /* PixelClock gets rounded up always so monitor reports
+                       correct frequency. */
+                    if (IsPixClock)
+                        continue;
+                    freqErr = -freqErr;
+                }
+
+                if (freqErr < lowestFreqErr) {
+                    *rM = M;
+                    *rN = N;
+                    *rP = P;
+                    *rC = (VCO <= 1280000 ? 1 : 2);
+                    ActualClock = Clock;
+
+                    lowestFreqErr = freqErr;
+                    /* Return if we found an exact match */
+                    if (freqErr == 0)
+                        return ActualClock;
+                }
+            }
+        }
+    }
+
+    return ActualClock;
+}
+
+void
+IBMramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr,
+                 RamDacRegRecPtr ramdacReg)
+{
+    int i, maxreg, dacreg;
+
+    switch (ramdacPtr->RamDacType) {
+    case IBM640_RAMDAC:
+        maxreg = 0x300;
+        dacreg = 1024;
+        break;
+    default:
+        maxreg = 0x100;
+        dacreg = 768;
+        break;
+    }
+
+    /* Here we pass a short, so that we can evaluate a mask too */
+    /* So that the mask is the high byte and the data the low byte */
+    for (i = 0; i < maxreg; i++)
+        (*ramdacPtr->WriteDAC)
+            (pScrn, i, (ramdacReg->DacRegs[i] & 0xFF00) >> 8,
+             ramdacReg->DacRegs[i]);
+
+    (*ramdacPtr->WriteAddress) (pScrn, 0);
+    for (i = 0; i < dacreg; i++)
+        (*ramdacPtr->WriteData) (pScrn, ramdacReg->DAC[i]);
+}
+
+void
+IBMramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr,
+              RamDacRegRecPtr ramdacReg)
+{
+    int i, maxreg, dacreg;
+
+    switch (ramdacPtr->RamDacType) {
+    case IBM640_RAMDAC:
+        maxreg = 0x300;
+        dacreg = 1024;
+        break;
+    default:
+        maxreg = 0x100;
+        dacreg = 768;
+        break;
+    }
+
+    (*ramdacPtr->ReadAddress) (pScrn, 0);
+    for (i = 0; i < dacreg; i++)
+        ramdacReg->DAC[i] = (*ramdacPtr->ReadData) (pScrn);
+
+    for (i = 0; i < maxreg; i++)
+        ramdacReg->DacRegs[i] = (*ramdacPtr->ReadDAC) (pScrn, i);
+}
+
+RamDacHelperRecPtr
+IBMramdacProbe(ScrnInfoPtr pScrn,
+               RamDacSupportedInfoRecPtr ramdacs /* , RamDacRecPtr ramdacPtr */
+               )
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+    RamDacHelperRecPtr ramdacHelperPtr = NULL;
+    Bool RamDacIsSupported = FALSE;
+    int IBMramdac_ID = -1;
+    int i;
+    unsigned char id, rev, id2, rev2;
+
+    /* read ID and revision */
+    rev = (*ramdacPtr->ReadDAC) (pScrn, IBMRGB_rev);
+    id = (*ramdacPtr->ReadDAC) (pScrn, IBMRGB_id);
+
+    /* check if ID and revision are read only */
+    (*ramdacPtr->WriteDAC) (pScrn, ~rev, 0, IBMRGB_rev);
+    (*ramdacPtr->WriteDAC) (pScrn, ~id, 0, IBMRGB_id);
+    rev2 = (*ramdacPtr->ReadDAC) (pScrn, IBMRGB_rev);
+    id2 = (*ramdacPtr->ReadDAC) (pScrn, IBMRGB_id);
+
+    switch (id) {
+    case 0x30:
+        if (rev == 0xc0)
+            IBMramdac_ID = IBM624_RAMDAC;
+        if (rev == 0x80)
+            IBMramdac_ID = IBM624DB_RAMDAC;
+        break;
+    case 0x12:
+        if (rev == 0x1c)
+            IBMramdac_ID = IBM640_RAMDAC;
+        break;
+    case 0x01:
+        IBMramdac_ID = IBM525_RAMDAC;
+        break;
+    case 0x02:
+        if (rev == 0xf0)
+            IBMramdac_ID = IBM524_RAMDAC;
+        if (rev == 0xe0)
+            IBMramdac_ID = IBM524A_RAMDAC;
+        if (rev == 0xc0)
+            IBMramdac_ID = IBM526_RAMDAC;
+        if (rev == 0x80)
+            IBMramdac_ID = IBM526DB_RAMDAC;
+        break;
+    }
+
+    if (id == 1 || id == 2) {
+        if (id == id2 && rev == rev2) { /* IBM RGB52x found */
+            /* check for 128bit VRAM -> RGB528 */
+            if (((*ramdacPtr->ReadDAC) (pScrn, IBMRGB_misc1) & 0x03) == 0x03) {
+                IBMramdac_ID = IBM528_RAMDAC;   /* 128bit DAC found */
+                if (rev == 0xe0)
+                    IBMramdac_ID = IBM528A_RAMDAC;
+            }
+        }
+    }
+
+    (*ramdacPtr->WriteDAC) (pScrn, rev, 0, IBMRGB_rev);
+    (*ramdacPtr->WriteDAC) (pScrn, id, 0, IBMRGB_id);
+
+    if (IBMramdac_ID == -1) {
+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+                   "Cannot determine IBM RAMDAC type, aborting\n");
+        return NULL;
+    }
+    else {
+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+                   "Attached RAMDAC is %s\n",
+                   IBMramdacDeviceInfo[IBMramdac_ID & 0xFFFF].DeviceName);
+    }
+
+    for (i = 0; ramdacs[i].token != -1; i++) {
+        if (ramdacs[i].token == IBMramdac_ID)
+            RamDacIsSupported = TRUE;
+    }
+
+    if (!RamDacIsSupported) {
+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+                   "This IBM RAMDAC is NOT supported by this driver, aborting\n");
+        return NULL;
+    }
+
+    ramdacHelperPtr = RamDacHelperCreateInfoRec();
+    switch (IBMramdac_ID) {
+    case IBM526_RAMDAC:
+    case IBM526DB_RAMDAC:
+        ramdacHelperPtr->SetBpp = IBMramdac526SetBpp;
+        ramdacHelperPtr->HWCursorInit = IBMramdac526HWCursorInit;
+        break;
+    case IBM640_RAMDAC:
+        ramdacHelperPtr->SetBpp = IBMramdac640SetBpp;
+        ramdacHelperPtr->HWCursorInit = IBMramdac640HWCursorInit;
+        break;
+    }
+    ramdacPtr->RamDacType = IBMramdac_ID;
+    ramdacHelperPtr->RamDacType = IBMramdac_ID;
+    ramdacHelperPtr->Save = IBMramdacSave;
+    ramdacHelperPtr->Restore = IBMramdacRestore;
+
+    return ramdacHelperPtr;
+}
+
+void
+IBMramdac526SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)
+{
+    ramdacReg->DacRegs[IBMRGB_key_control] = 0x00;      /* Disable Chroma Key */
+
+    switch (pScrn->bitsPerPixel) {
+    case 32:
+        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_32BPP;
+        ramdacReg->DacRegs[IBMRGB_32bpp] = B32_DCOL_DIRECT;
+        ramdacReg->DacRegs[IBMRGB_24bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_16bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_8bpp] = 0;
+        if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {
+            ramdacReg->DacRegs[IBMRGB_key_control] = 0x01;      /* Enable Key */
+            ramdacReg->DacRegs[IBMRGB_key] = 0xFF;
+            ramdacReg->DacRegs[IBMRGB_key_mask] = 0xFF;
+        }
+        break;
+    case 24:
+        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_24BPP;
+        ramdacReg->DacRegs[IBMRGB_32bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_24bpp] = B24_DCOL_DIRECT;
+        ramdacReg->DacRegs[IBMRGB_16bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_8bpp] = 0;
+        break;
+    case 16:
+        if (pScrn->depth == 16) {
+            ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_16BPP;
+            ramdacReg->DacRegs[IBMRGB_32bpp] = 0;
+            ramdacReg->DacRegs[IBMRGB_24bpp] = 0;
+            ramdacReg->DacRegs[IBMRGB_16bpp] = B16_DCOL_DIRECT | B16_LINEAR |
+                B16_CONTIGUOUS | B16_565;
+            ramdacReg->DacRegs[IBMRGB_8bpp] = 0;
+        }
+        else {
+            ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_16BPP;
+            ramdacReg->DacRegs[IBMRGB_32bpp] = 0;
+            ramdacReg->DacRegs[IBMRGB_24bpp] = 0;
+            ramdacReg->DacRegs[IBMRGB_16bpp] = B16_DCOL_DIRECT | B16_LINEAR |
+                B16_CONTIGUOUS | B16_555;
+            ramdacReg->DacRegs[IBMRGB_8bpp] = 0;
+        }
+        break;
+    case 8:
+        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_8BPP;
+        ramdacReg->DacRegs[IBMRGB_32bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_24bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_16bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_8bpp] = B8_DCOL_INDIRECT;
+        break;
+    case 4:
+        ramdacReg->DacRegs[IBMRGB_pix_fmt] = PIXEL_FORMAT_4BPP;
+        ramdacReg->DacRegs[IBMRGB_32bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_24bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_16bpp] = 0;
+        ramdacReg->DacRegs[IBMRGB_8bpp] = 0;
+    }
+}
+
+IBMramdac526SetBppProc *
+IBMramdac526SetBppWeak(void)
+{
+    return IBMramdac526SetBpp;
+}
+
+void
+IBMramdac640SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)
+{
+    unsigned char bpp = 0x00;
+    unsigned char overlaybpp = 0x00;
+    unsigned char offset = 0x00;
+    unsigned char dispcont = 0x44;
+
+    ramdacReg->DacRegs[RGB640_SER_WID_03_00] = 0x00;
+    ramdacReg->DacRegs[RGB640_SER_WID_07_04] = 0x00;
+    ramdacReg->DacRegs[RGB640_DIAGS] = 0x07;
+
+    switch (pScrn->depth) {
+    case 8:
+        ramdacReg->DacRegs[RGB640_SER_07_00] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_15_08] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_16_1;  /*16:1 Mux */
+        ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8;   /* pll / 8 */
+        bpp = 0x03;
+        break;
+    case 15:
+        ramdacReg->DacRegs[RGB640_SER_07_00] = 0x10;
+        ramdacReg->DacRegs[RGB640_SER_15_08] = 0x11;
+        ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_8_1;   /* 8:1 Mux */
+        ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8;   /* pll / 8 */
+        bpp = 0x0E;
+        break;
+    case 16:
+        ramdacReg->DacRegs[RGB640_SER_07_00] = 0x10;
+        ramdacReg->DacRegs[RGB640_SER_15_08] = 0x11;
+        ramdacReg->DacRegs[RGB640_SER_23_16] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_31_24] = 0x00;
+        ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_8_1;   /* 8:1 Mux */
+        ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8;   /* pll / 8 */
+        bpp = 0x05;
+        break;
+    case 24:
+        ramdacReg->DacRegs[RGB640_SER_07_00] = 0x30;
+        ramdacReg->DacRegs[RGB640_SER_15_08] = 0x31;
+        ramdacReg->DacRegs[RGB640_SER_23_16] = 0x32;
+        ramdacReg->DacRegs[RGB640_SER_31_24] = 0x33;
+        ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_4_1;   /* 4:1 Mux */
+        ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PCLK_8;   /* pll / 8 */
+        bpp = 0x09;
+        if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {
+            ramdacReg->DacRegs[RGB640_SER_WID_07_04] = 0x04;
+            ramdacReg->DacRegs[RGB640_CHROMA_KEY0] = 0xFF;
+            ramdacReg->DacRegs[RGB640_CHROMA_MASK0] = 0xFF;
+            offset = 0x04;
+            overlaybpp = 0x04;
+            dispcont = 0x48;
+        }
+        break;
+    case 30:                   /* 10 bit dac */
+        ramdacReg->DacRegs[RGB640_SER_07_00] = 0x30;
+        ramdacReg->DacRegs[RGB640_SER_15_08] = 0x31;
+        ramdacReg->DacRegs[RGB640_SER_23_16] = 0x32;
+        ramdacReg->DacRegs[RGB640_SER_31_24] = 0x33;
+        ramdacReg->DacRegs[RGB640_SER_MODE] = IBM640_SER_4_1;   /* 4:1 Mux */
+        ramdacReg->DacRegs[RGB640_MISC_CONF] = IBM640_PSIZE10 | IBM640_PCLK_8;  /* pll / 8 */
+        bpp = 0x0D;
+        break;
+    }
+
+    {
+        int i;
+
+        for (i = 0x100; i < 0x140; i += 4) {
+            /* Initialize FrameBuffer Window Attribute Table */
+            ramdacReg->DacRegs[i + 0] = bpp;
+            ramdacReg->DacRegs[i + 1] = offset;
+            ramdacReg->DacRegs[i + 2] = 0x00;
+            ramdacReg->DacRegs[i + 3] = 0x00;
+            /* Initialize Overlay Window Attribute Table */
+            ramdacReg->DacRegs[i + 0x100] = overlaybpp;
+            ramdacReg->DacRegs[i + 0x101] = 0x00;
+            ramdacReg->DacRegs[i + 0x102] = 0x00;
+            ramdacReg->DacRegs[i + 0x103] = dispcont;
+        }
+    }
+}
+
+static void
+IBMramdac526ShowCursor(ScrnInfoPtr pScrn)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    /* Enable cursor - X11 mode */
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs, 0x00, 0x07);
+}
+
+static void
+IBMramdac640ShowCursor(ScrnInfoPtr pScrn)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    /* Enable cursor - mode2 (x11 mode) */
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURSOR_CONTROL, 0x00, 0x0B);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CROSSHAIR_CONTROL, 0x00, 0x00);
+}
+
+static void
+IBMramdac526HideCursor(ScrnInfoPtr pScrn)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    /* Disable cursor - X11 mode */
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs, 0x00, 0x24);
+}
+
+static void
+IBMramdac640HideCursor(ScrnInfoPtr pScrn)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    /* Disable cursor - mode2 (x11 mode) */
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURSOR_CONTROL, 0x00, 0x08);
+}
+
+static void
+IBMramdac526SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    x += 64;
+    y += 64;
+
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_hot_x, 0x00, 0x3f);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_hot_y, 0x00, 0x3f);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_xl, 0x00, x & 0xff);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_xh, 0x00, (x >> 8) & 0xf);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_yl, 0x00, y & 0xff);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_yh, 0x00, (y >> 8) & 0xf);
+}
+
+static void
+IBMramdac640SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    x += 64;
+    y += 64;
+
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_OFFSETX, 0x00, 0x3f);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_OFFSETY, 0x00, 0x3f);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_X_LOW, 0x00, x & 0xff);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_X_HIGH, 0x00, (x >> 8) & 0xf);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_Y_LOW, 0x00, y & 0xff);
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_Y_HIGH, 0x00, (y >> 8) & 0xf);
+}
+
+static void
+IBMramdac526SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col1_r, 0x00, bg >> 16);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col1_g, 0x00, bg >> 8);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col1_b, 0x00, bg);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col2_r, 0x00, fg >> 16);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col2_g, 0x00, fg >> 8);
+    (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_col2_b, 0x00, fg);
+}
+
+static void
+IBMramdac640SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+
+    (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_COL0, 0x00, 0);
+    (*ramdacPtr->WriteData) (pScrn, fg >> 16);
+    (*ramdacPtr->WriteData) (pScrn, fg >> 8);
+    (*ramdacPtr->WriteData) (pScrn, fg);
+    (*ramdacPtr->WriteData) (pScrn, bg >> 16);
+    (*ramdacPtr->WriteData) (pScrn, bg >> 8);
+    (*ramdacPtr->WriteData) (pScrn, bg);
+    (*ramdacPtr->WriteData) (pScrn, fg >> 16);
+    (*ramdacPtr->WriteData) (pScrn, fg >> 8);
+    (*ramdacPtr->WriteData) (pScrn, fg);
+    (*ramdacPtr->WriteData) (pScrn, bg >> 16);
+    (*ramdacPtr->WriteData) (pScrn, bg >> 8);
+    (*ramdacPtr->WriteData) (pScrn, bg);
+}
+
+static void
+IBMramdac526LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+    int i;
+
+    /* 
+     * Output the cursor data.  The realize function has put the planes into
+     * their correct order, so we can just blast this out.
+     */
+    for (i = 0; i < 1024; i++)
+        (*ramdacPtr->WriteDAC) (pScrn, IBMRGB_curs_array + i, 0x00, (*src++));
+}
+
+static void
+IBMramdac640LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
+{
+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
+    int i;
+
+    /* 
+     * Output the cursor data.  The realize function has put the planes into
+     * their correct order, so we can just blast this out.
+     */
+    for (i = 0; i < 1024; i++)
+        (*ramdacPtr->WriteDAC) (pScrn, RGB640_CURS_WRITE + i, 0x00, (*src++));
+}
+
+static Bool
+IBMramdac526UseHWCursor(ScreenPtr pScr, CursorPtr pCurs)
+{
+    return TRUE;
+}
+
+static Bool
+IBMramdac640UseHWCursor(ScreenPtr pScr, CursorPtr pCurs)
+{
+    return TRUE;
+}
+
+void
+IBMramdac526HWCursorInit(xf86CursorInfoPtr infoPtr)
+{
+    infoPtr->MaxWidth = 64;
+    infoPtr->MaxHeight = 64;
+    infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+        HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
+        HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;
+    infoPtr->SetCursorColors = IBMramdac526SetCursorColors;
+    infoPtr->SetCursorPosition = IBMramdac526SetCursorPosition;
+    infoPtr->LoadCursorImage = IBMramdac526LoadCursorImage;
+    infoPtr->HideCursor = IBMramdac526HideCursor;
+    infoPtr->ShowCursor = IBMramdac526ShowCursor;
+    infoPtr->UseHWCursor = IBMramdac526UseHWCursor;
+}
+
+void
+IBMramdac640HWCursorInit(xf86CursorInfoPtr infoPtr)
+{
+    infoPtr->MaxWidth = 64;
+    infoPtr->MaxHeight = 64;
+    infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+        HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
+        HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;
+    infoPtr->SetCursorColors = IBMramdac640SetCursorColors;
+    infoPtr->SetCursorPosition = IBMramdac640SetCursorPosition;
+    infoPtr->LoadCursorImage = IBMramdac640LoadCursorImage;
+    infoPtr->HideCursor = IBMramdac640HideCursor;
+    infoPtr->ShowCursor = IBMramdac640ShowCursor;
+    infoPtr->UseHWCursor = IBMramdac640UseHWCursor;
+}