Synchronised line endinge with release branch

1 files changed, 905 insertions, 905 deletions

diff --git a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
index d98c40be9..dee731be4 100644
--- a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
+++ b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
@@ -1,905 +1,905 @@
-/* all driver need this */

-#ifdef HAVE_XORG_CONFIG_H

-#include <xorg-config.h>

-#endif

-

-#include <string.h>

-

-#include "xf86.h"

-#include "xf86_OSproc.h"

-

-/* pci stuff */

-#include "xf86PciInfo.h"

-#include "xf86Pci.h"

-

-#include "xf86cmap.h"

-

-#include "fbdevhw.h"

-#include "fbpriv.h"

-#include "globals.h"

-#include <X11/extensions/dpmsconst.h>

-

-#define PAGE_MASK               (~(getpagesize() - 1))

-

-static XF86ModuleVersionInfo fbdevHWVersRec =

-{

-	"fbdevhw",

-	MODULEVENDORSTRING,

-	MODINFOSTRING1,

-	MODINFOSTRING2,

-	XORG_VERSION_CURRENT,

-	0, 0, 2,

-	ABI_CLASS_VIDEODRV,

-	ABI_VIDEODRV_VERSION,

-	MOD_CLASS_NONE,

-	{0,0,0,0}

-};

-

-_X_EXPORT XF86ModuleData fbdevhwModuleData = {

-    &fbdevHWVersRec,

-    NULL,

-    NULL

-};

-

-#include <fcntl.h>

-#include <errno.h>

-#include <sys/mman.h>

-#include <sys/ioctl.h>

-#include <stdio.h>

-#include <stdlib.h>

-#include <unistd.h>

-

-/* -------------------------------------------------------------------- */

-/* our private data, and two functions to allocate/free this            */

-

-#define FBDEVHWPTRLVAL(p) (p)->privates[fbdevHWPrivateIndex].ptr

-#define FBDEVHWPTR(p) ((fbdevHWPtr)(FBDEVHWPTRLVAL(p)))

-

-static int fbdevHWPrivateIndex = -1;

-

-typedef struct {

-	/* framebuffer device: filename (/dev/fb*), handle, more */

-	char*				device;

-	int				fd;

-	void*				fbmem;

-	unsigned int			fbmem_len;

-	unsigned int			fboff;

-	char*				mmio;

-	unsigned int			mmio_len;

-

-	/* current hardware state */

-	struct fb_fix_screeninfo	fix;

-	struct fb_var_screeninfo	var;

-

-	/* saved video mode */

-	struct fb_var_screeninfo	saved_var;

-

-	/* buildin video mode */

-	DisplayModeRec			buildin;

-

-} fbdevHWRec, *fbdevHWPtr;

-

-Bool

-fbdevHWGetRec(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr;

-	

-	if (fbdevHWPrivateIndex < 0)

-		fbdevHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex();

-

-	if (FBDEVHWPTR(pScrn) != NULL)

-		return TRUE;

-	

-	fPtr = FBDEVHWPTRLVAL(pScrn) = xnfcalloc(sizeof(fbdevHWRec), 1);

-	return TRUE;

-}

-

-void

-fbdevHWFreeRec(ScrnInfoPtr pScrn)

-{

-	if (fbdevHWPrivateIndex < 0)

-		return;

-	if (FBDEVHWPTR(pScrn) == NULL)

-		return;

-	free(FBDEVHWPTR(pScrn));

-	FBDEVHWPTRLVAL(pScrn) = NULL;

-}

-

-int

-fbdevHWGetFD(ScrnInfoPtr pScrn)

-{

-    fbdevHWPtr fPtr;

-

-    fbdevHWGetRec(pScrn);

-    fPtr = FBDEVHWPTR(pScrn);

-

-    return fPtr->fd;

-}

-

-/* -------------------------------------------------------------------- */

-/* some helpers for printing debug informations                         */

-

-#if DEBUG

-static void

-print_fbdev_mode(char *txt, struct fb_var_screeninfo *var)

-{

-	ErrorF( "fbdev %s mode:\t%d   %d %d %d %d   %d %d %d %d   %d %d:%d:%d\n",

-		txt,var->pixclock,

-		var->xres, var->right_margin, var->hsync_len, var->left_margin,

-		var->yres, var->lower_margin, var->vsync_len, var->upper_margin,

-		var->bits_per_pixel,

-		var->red.length, var->green.length, var->blue.length);

-}

-

-static void

-print_xfree_mode(char *txt, DisplayModePtr mode)

-{

-	ErrorF( "xfree %s mode:\t%d   %d %d %d %d   %d %d %d %d\n",

-		txt,mode->Clock,

-		mode->HDisplay, mode->HSyncStart, mode->HSyncEnd, mode->HTotal,

-		mode->VDisplay, mode->VSyncStart, mode->VSyncEnd, mode->VTotal);

-}

-#endif

-

-/* -------------------------------------------------------------------- */

-/* Convert timings between the XFree and the Frame Buffer Device        */

-

-static void

-xfree2fbdev_fblayout(ScrnInfoPtr pScrn, struct fb_var_screeninfo *var)

-{

-	var->xres_virtual   = pScrn->displayWidth ? pScrn->displayWidth :

-			      pScrn->virtualX;

-	var->yres_virtual   = pScrn->virtualY;

-	var->bits_per_pixel = pScrn->bitsPerPixel;

-	if (pScrn->defaultVisual == TrueColor ||

-	    pScrn->defaultVisual == DirectColor) {

-	    var->red.length     = pScrn->weight.red;

-	    var->green.length   = pScrn->weight.green;

-	    var->blue.length    = pScrn->weight.blue;

-	} else {

-	    var->red.length     = 8;

-	    var->green.length   = 8;

-	    var->blue.length    = 8;

-	}

-}

-

-static void

-xfree2fbdev_timing(DisplayModePtr mode, struct fb_var_screeninfo *var)

-{

-	var->xres = mode->HDisplay;

-	var->yres = mode->VDisplay;

-	if (var->xres_virtual < var->xres)

-		var->xres_virtual = var->xres;

-	if (var->yres_virtual < var->yres)

-		var->yres_virtual = var->yres;

-	var->xoffset = var->yoffset = 0;

-	var->pixclock = mode->Clock ? 1000000000/mode->Clock : 0;

-	var->right_margin = mode->HSyncStart-mode->HDisplay;

-	var->hsync_len = mode->HSyncEnd-mode->HSyncStart;

-	var->left_margin = mode->HTotal-mode->HSyncEnd;

-	var->lower_margin = mode->VSyncStart-mode->VDisplay;

-	var->vsync_len = mode->VSyncEnd-mode->VSyncStart;

-	var->upper_margin = mode->VTotal-mode->VSyncEnd;

-	var->sync = 0;

-	if (mode->Flags & V_PHSYNC)

-		var->sync |= FB_SYNC_HOR_HIGH_ACT;

-	if (mode->Flags & V_PVSYNC)

-		var->sync |= FB_SYNC_VERT_HIGH_ACT;

-	if (mode->Flags & V_PCSYNC)

-		var->sync |= FB_SYNC_COMP_HIGH_ACT;

-	if (mode->Flags & V_BCAST)

-		var->sync |= FB_SYNC_BROADCAST;

-	if (mode->Flags & V_INTERLACE)

-		var->vmode = FB_VMODE_INTERLACED;

-	else if (mode->Flags & V_DBLSCAN)

-		var->vmode = FB_VMODE_DOUBLE;

-	else

-		var->vmode = FB_VMODE_NONINTERLACED;

-}

-

-static Bool

-fbdev_modes_equal(struct fb_var_screeninfo *set, struct fb_var_screeninfo *req)

-{

-	return (set->xres_virtual >= req->xres_virtual &&

-		set->yres_virtual >= req->yres_virtual &&

-		set->bits_per_pixel == req->bits_per_pixel &&

-		set->red.length == req->red.length &&

-		set->green.length == req->green.length &&

-		set->blue.length == req->blue.length &&

-		set->xres == req->xres && set->yres == req->yres &&

-		set->right_margin == req->right_margin &&

-		set->hsync_len == req->hsync_len &&

-		set->left_margin == req->left_margin &&

-		set->lower_margin == req->lower_margin &&

-		set->vsync_len == req->vsync_len &&

-		set->upper_margin == req->upper_margin &&

-		set->sync == req->sync && set->vmode == req->vmode);

-}

-

-static void

-fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode)

-{

-	mode->Clock = var->pixclock ? 1000000000/var->pixclock : 0;

-	mode->HDisplay = var->xres;

-	mode->HSyncStart = mode->HDisplay+var->right_margin;

-	mode->HSyncEnd = mode->HSyncStart+var->hsync_len;

-	mode->HTotal = mode->HSyncEnd+var->left_margin;

-	mode->VDisplay = var->yres;

-	mode->VSyncStart = mode->VDisplay+var->lower_margin;

-	mode->VSyncEnd = mode->VSyncStart+var->vsync_len;

-	mode->VTotal = mode->VSyncEnd+var->upper_margin;

-	mode->Flags = 0;

-	mode->Flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;

-	mode->Flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;

-	mode->Flags |= var->sync & FB_SYNC_COMP_HIGH_ACT ? V_PCSYNC : V_NCSYNC;

-	if (var->sync & FB_SYNC_BROADCAST)

-		mode->Flags |= V_BCAST;

-	if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)

-		mode->Flags |= V_INTERLACE;

-	else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)

-		mode->Flags |= V_DBLSCAN;

-	mode->SynthClock = mode->Clock;

-	mode->CrtcHDisplay = mode->HDisplay;

-	mode->CrtcHSyncStart = mode->HSyncStart;

-	mode->CrtcHSyncEnd = mode->HSyncEnd;

-	mode->CrtcHTotal = mode->HTotal;

-	mode->CrtcVDisplay = mode->VDisplay;

-	mode->CrtcVSyncStart = mode->VSyncStart;

-	mode->CrtcVSyncEnd = mode->VSyncEnd;

-	mode->CrtcVTotal = mode->VTotal;

-	mode->CrtcHAdjusted = FALSE;

-	mode->CrtcVAdjusted = FALSE;

-}

-

-

-/* -------------------------------------------------------------------- */

-/* open correct framebuffer device                                      */

-

-/**

- * Try to find the framebuffer device for a given PCI device 

- */

-static int

-fbdev_open_pci(struct pci_device * pPci, char **namep)

-{

-    struct	fb_fix_screeninfo fix;

-    char	filename[256];

-    int	fd, i;

-

-    for (i = 0; i < 8; i++) {

-	sprintf(filename, 

-		"/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics/fb%d",

-		pPci->domain, pPci->bus, pPci->dev, pPci->func, i);

-

-	fd = open(filename, O_RDONLY, 0);

-        if (fd < 0) {

-            sprintf(filename,

-                    "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics:fb%d",

-                    pPci->domain, pPci->bus, pPci->dev, pPci->func, i);

-            fd = open(filename, O_RDONLY, 0);

-        }

-	if (fd >= 0) {

-	    close(fd);

-	    sprintf(filename, "/dev/fb%d", i);

-

-	    fd = open(filename, O_RDWR, 0);

-	    if (fd != -1) {

-		if (ioctl(fd, FBIOGET_FSCREENINFO, (void*) & fix) != -1) {

-		    if (namep) {

-			*namep = xnfalloc(16);

-			strncpy(*namep,fix.id,16);

-		    }

-

-		    return fd;

-		}

-		close(fd);

-	    }

-	}

-    }

-

-    if (namep)

-      *namep = NULL;

-

-    xf86DrvMsg(-1, X_ERROR, "Unable to find a valid framebuffer device\n");

-    return -1;

-}

-

-static int

-fbdev_open(int scrnIndex, char *dev, char** namep)

-{

-	struct	fb_fix_screeninfo fix;

-	int    fd;

-

-	/* try argument (from XF86Config) first */

-	if (dev) {

-	    fd = open(dev,O_RDWR,0);

-	} else {

-	    /* second: environment variable */

-	    dev = getenv("FRAMEBUFFER");

-	    if ((NULL == dev) || ((fd = open(dev,O_RDWR,0)) == -1)) {

-		/* last try: default device */

-		dev = "/dev/fb0";

-		fd = open(dev,O_RDWR,0);

-	    }

-	}

-

-	if (fd == -1) {

-	    xf86DrvMsg(scrnIndex, X_ERROR,

-		       "open %s: %s\n", dev, strerror(errno));

-	    return -1;

-	}

-

-	if (namep) {

-	    if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)(&fix))) {

-		*namep = NULL;

-		xf86DrvMsg(scrnIndex, X_ERROR,

-			   "FBIOGET_FSCREENINFO: %s\n", strerror(errno));

-		return -1;

-	    } else {

-		*namep = xnfalloc(16);

-		strncpy(*namep,fix.id,16);

-	    }

-	}

-	return fd;

-}

-

-/* -------------------------------------------------------------------- */

-

-Bool

-fbdevHWProbe(struct pci_device * pPci, char *device,char **namep)

-{

-	int fd;

-

-	if (pPci)

-		fd = fbdev_open_pci(pPci,namep);

-	else

-		fd = fbdev_open(-1,device,namep);

-

-	if (-1 == fd)

-		return FALSE;

-	close(fd);

-	return TRUE;

-}

-

-Bool

-fbdevHWInit(ScrnInfoPtr pScrn, struct pci_device * pPci, char *device)

-{

-	fbdevHWPtr fPtr;

-

-	fbdevHWGetRec(pScrn);

-	fPtr = FBDEVHWPTR(pScrn);

-

-	/* open device */

-	if (pPci)

-		fPtr->fd = fbdev_open_pci(pPci,NULL);

-	else

-		fPtr->fd = fbdev_open(pScrn->scrnIndex,device,NULL);

-	if (-1 == fPtr->fd) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "Failed to open framebuffer device, consult warnings"

-			   " and/or errors above for possible reasons\n"

-			   "\t(you may have to look at the server log to see"

-			   " warnings)\n");

-		return FALSE;

-	}

-

-	/* get current fb device settings */

-	if (-1 == ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "ioctl FBIOGET_FSCREENINFO: %s\n",

-			   strerror(errno));

-		return FALSE;

-	}

-	if (-1 == ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "ioctl FBIOGET_VSCREENINFO: %s\n",

-			   strerror(errno));

-		return FALSE;

-	}

-

-	/* we can use the current settings as "buildin mode" */

-	fbdev2xfree_timing(&fPtr->var, &fPtr->buildin);

-	fPtr->buildin.name  = "current";

-	fPtr->buildin.next  = &fPtr->buildin;

-	fPtr->buildin.prev  = &fPtr->buildin;

-	fPtr->buildin.type |= M_T_BUILTIN;

-	

-	return TRUE;

-}

-

-char*

-fbdevHWGetName(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	return fPtr->fix.id;

-}

-

-int

-fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (fbbpp)

-	    *fbbpp = fPtr->var.bits_per_pixel;

-

-	if (fPtr->fix.visual == FB_VISUAL_TRUECOLOR ||

-	    fPtr->fix.visual == FB_VISUAL_DIRECTCOLOR)

-		return fPtr->var.red.length+fPtr->var.green.length+

-			fPtr->var.blue.length;

-	else

-		return fPtr->var.bits_per_pixel;

-}

-

-int

-fbdevHWGetLineLength(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (fPtr->fix.line_length)

-		return fPtr->fix.line_length;

-	else

-		return fPtr->var.xres_virtual*fPtr->var.bits_per_pixel/8;

-}

-

-int

-fbdevHWGetType(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	return fPtr->fix.type;

-}

-

-int

-fbdevHWGetVidmem(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	return fPtr->fix.smem_len;

-}

-

-static Bool

-fbdevHWSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool check)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	struct fb_var_screeninfo req_var = fPtr->var, set_var;

-

-	xfree2fbdev_fblayout(pScrn, &req_var);

-	xfree2fbdev_timing(mode, &req_var);

-

-#if DEBUG

-	print_xfree_mode("init", mode);

-	print_fbdev_mode("init", &req_var);

-#endif

-

-	set_var = req_var;

-

-	if (check)

-		set_var.activate = FB_ACTIVATE_TEST;

-

-	if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void*)(&set_var))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));

-		return FALSE;

-	}

-

-	if (!fbdev_modes_equal(&set_var, &req_var)) {

-		if (!check)

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "FBIOPUT_VSCREENINFO succeeded but modified "

-				   "mode\n");

-#if DEBUG

-		print_fbdev_mode("returned", &set_var);

-#endif

-		return FALSE;

-	}

-

-	if (!check)

-		fPtr->var = set_var;

-

-	return TRUE;

-}

-

-void

-fbdevHWSetVideoModes(ScrnInfoPtr pScrn)

-{

-	char **modename;

-	DisplayModePtr mode,this,last = pScrn->modes;

-

-	if (NULL == pScrn->display->modes)

-		return;

-

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

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

-

-	for (modename = pScrn->display->modes; *modename != NULL; modename++) {

-		for (mode = pScrn->monitor->Modes; mode != NULL; mode = mode->next)

-			if (0 == strcmp(mode->name,*modename))

-				break;

-		if (NULL == mode) {

-			xf86DrvMsg(pScrn->scrnIndex, X_INFO,

-				   "\tmode \"%s\" not found\n", *modename);

-			continue;

-		}

-

-		if (!fbdevHWSetMode(pScrn, mode, TRUE)) {

-			xf86DrvMsg(pScrn->scrnIndex, X_INFO,

-				   "\tmode \"%s\" test failed\n", *modename);

-			continue;

-		}

-		xf86DrvMsg(pScrn->scrnIndex, X_INFO,

-			   "\tmode \"%s\" ok\n", *modename);

-

-		if (pScrn->virtualX < mode->HDisplay)

-			pScrn->virtualX = mode->HDisplay;

-		if (pScrn->virtualY < mode->VDisplay)

-			pScrn->virtualY = mode->VDisplay;

-

-		if (NULL == pScrn->modes) {

-			this = pScrn->modes = xf86DuplicateMode(mode);

-			this->next = this;

-			this->prev = this;

-		} else {

-			this = xf86DuplicateMode(mode);

-			this->next = pScrn->modes;

-			this->prev = last;

-			last->next = this;

-			pScrn->modes->prev = this;

-		}

-		last = this;

-	}

-}

-

-DisplayModePtr

-fbdevHWGetBuildinMode(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	return &fPtr->buildin;

-}

-

-void

-fbdevHWUseBuildinMode(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	pScrn->modes    = &fPtr->buildin;

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

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

-	if (pScrn->virtualX < fPtr->buildin.HDisplay)

-		pScrn->virtualX = fPtr->buildin.HDisplay;

-	if (pScrn->virtualY < fPtr->buildin.VDisplay)

-		pScrn->virtualY = fPtr->buildin.VDisplay;

-}

-

-/* -------------------------------------------------------------------- */

-

-static void

-calculateFbmem_len(fbdevHWPtr fPtr)

-{

-	fPtr->fboff = (unsigned long) fPtr->fix.smem_start & ~PAGE_MASK;

-	fPtr->fbmem_len = (fPtr->fboff+fPtr->fix.smem_len+~PAGE_MASK) &

-			  PAGE_MASK;

-}

-

-

-void*

-fbdevHWMapVidmem(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (NULL == fPtr->fbmem) {

-		calculateFbmem_len(fPtr);

-		fPtr->fbmem = mmap(NULL, fPtr->fbmem_len, PROT_READ | PROT_WRITE,

-				   MAP_SHARED, fPtr->fd, 0);

-		if (-1 == (long)fPtr->fbmem) {

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "mmap fbmem: %s\n", strerror(errno));

-			fPtr->fbmem = NULL;

-		} else {

-		    /* Perhaps we'd better add fboff to fbmem and return 0 in

-		       fbdevHWLinearOffset()? Of course we then need to mask

-		       fPtr->fbmem with PAGE_MASK in fbdevHWUnmapVidmem() as

-		       well. [geert] */

-		}

-	}

-	pScrn->memPhysBase = (unsigned long)fPtr->fix.smem_start & (unsigned long)(PAGE_MASK);

-	pScrn->fbOffset = (unsigned long)fPtr->fix.smem_start & (unsigned long)(~PAGE_MASK);

-	return fPtr->fbmem;

-}

-

-int

-fbdevHWLinearOffset(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	return fPtr->fboff;

-}

-

-Bool

-fbdevHWUnmapVidmem(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (NULL != fPtr->fbmem) {

-		if (-1 == munmap(fPtr->fbmem, fPtr->fbmem_len))

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "munmap fbmem: %s\n", strerror(errno));

-		fPtr->fbmem = NULL;

-	}

-	return TRUE;

-}

-

-void*

-fbdevHWMapMMIO(ScrnInfoPtr pScrn)

-{

-	unsigned int mmio_off;

-

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (NULL == fPtr->mmio) {

-		/* tell the kernel not to use accels to speed up console scrolling */

-		fPtr->var.accel_flags = 0;

-		if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) {

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));

-			return FALSE;

-		}

-		mmio_off = (unsigned long) fPtr->fix.mmio_start & ~PAGE_MASK;

-		fPtr->mmio_len = (mmio_off+fPtr->fix.mmio_len+~PAGE_MASK) &

-				  PAGE_MASK;

-		if (NULL == fPtr->fbmem)

-			calculateFbmem_len(fPtr);

-		fPtr->mmio = mmap(NULL, fPtr->mmio_len, PROT_READ | PROT_WRITE,

-				  MAP_SHARED, fPtr->fd, fPtr->fbmem_len);

-		if (-1 == (long)fPtr->mmio) {

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "mmap mmio: %s\n", strerror(errno));

-			fPtr->mmio = NULL;

-		} else

-			fPtr->mmio += mmio_off;

-	}

-	return fPtr->mmio;

-}

-

-Bool

-fbdevHWUnmapMMIO(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (NULL != fPtr->mmio) {

-		if (-1 == munmap((void *)((unsigned long)fPtr->mmio & PAGE_MASK), fPtr->mmio_len))

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "munmap mmio: %s\n", strerror(errno));

-		fPtr->mmio = NULL;

-		/* FIXME: restore var.accel_flags [geert] */

-	}

-	return TRUE;

-}

-

-/* -------------------------------------------------------------------- */

-

-Bool

-fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode)

-{	

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	

-	pScrn->vtSema = TRUE;

-

-	/* set */

-	if (!fbdevHWSetMode(pScrn, mode, FALSE))

-		return FALSE;

-

-	/* read back */

-	if (0 != ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOGET_FSCREENINFO: %s\n", strerror(errno));

-		return FALSE;

-	}

-	if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOGET_VSCREENINFO: %s\n", strerror(errno));

-		return FALSE;

-	}

-

-	if (pScrn->defaultVisual == TrueColor ||

-	    pScrn->defaultVisual == DirectColor) {

-	    /* XXX: This is a hack, but it should be a NOP for all the setups that

-	     * worked before and actually seems to fix some others...

-	     */

-	    pScrn->offset.red   = fPtr->var.red.offset;

-	    pScrn->offset.green = fPtr->var.green.offset;

-	    pScrn->offset.blue  = fPtr->var.blue.offset;

-	    pScrn->mask.red     = ((1 << fPtr->var.red.length) - 1) << fPtr->var.red.offset;

-	    pScrn->mask.green   = ((1 << fPtr->var.green.length) - 1) << fPtr->var.green.offset;

-	    pScrn->mask.blue    = ((1 << fPtr->var.blue.length) - 1) << fPtr->var.blue.offset;

-	}

-

-	return TRUE;

-}

-

-/* -------------------------------------------------------------------- */

-/* video mode save/restore                                              */

-void

-fbdevHWSave(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->saved_var)))

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOGET_VSCREENINFO: %s\n", strerror(errno));

-}

-

-void

-fbdevHWRestore(ScrnInfoPtr pScrn)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->saved_var)))

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));

-}

-

-/* -------------------------------------------------------------------- */

-/* callback for xf86HandleColormaps                                     */

-

-void

-fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,

-		 LOCO *colors, VisualPtr pVisual)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	struct fb_cmap cmap;

-	unsigned short red,green,blue;

-	int i;

-

-	cmap.len   = 1;

-	cmap.red   = &red;

-	cmap.green = &green;

-	cmap.blue  = &blue;

-	cmap.transp = NULL;

-	for (i = 0; i < numColors; i++) {

-		cmap.start = indices[i];

-		red   = (colors[indices[i]].red   << 8) |

-			colors[indices[i]].red;

-		green = (colors[indices[i]].green << 8) |

-			colors[indices[i]].green;

-		blue  = (colors[indices[i]].blue  << 8) |

-			colors[indices[i]].blue;

-		if (-1 == ioctl(fPtr->fd,FBIOPUTCMAP,(void*)&cmap))

-			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-				   "FBIOPUTCMAP: %s\n", strerror(errno));

-	}

-}

-

-/* -------------------------------------------------------------------- */

-/* these can be hooked directly into ScrnInfoRec                        */

-

-ModeStatus

-fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)

-{

-	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-

-	if (!fbdevHWSetMode(pScrn, mode, TRUE))

-		return MODE_BAD;

-

-	return MODE_OK;

-}

-

-Bool

-fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)

-{

-	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-

-

-	if (!fbdevHWSetMode(pScrn, mode, FALSE))

-		return FALSE;

-

-	return TRUE;

-}

-

-void

-fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags)

-{

-	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-

-	if ( x < 0 || x + fPtr->var.xres > fPtr->var.xres_virtual || 

-	     y < 0 || y + fPtr->var.yres > fPtr->var.yres_virtual )

-		return;

-

-	fPtr->var.xoffset = x;

-	fPtr->var.yoffset = y;

-	if (-1 == ioctl(fPtr->fd,FBIOPAN_DISPLAY,(void*)&fPtr->var))

-		xf86DrvMsgVerb(scrnIndex, X_WARNING, 5, 

-			   "FBIOPAN_DISPLAY: %s\n", strerror(errno));

-}

-

-Bool

-fbdevHWEnterVT(int scrnIndex, int flags)

-{

-	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-	

-	if (!fbdevHWModeInit(pScrn, pScrn->currentMode))

-		return FALSE;

-	fbdevHWAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);

-	return TRUE;

-}

-

-void

-fbdevHWLeaveVT(int scrnIndex, int flags)

-{

-	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];

-

-	fbdevHWRestore(pScrn);

-}

-

-void

-fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags)

-{

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	unsigned long fbmode;

-

-	if (!pScrn->vtSema)

-		return;

-

-	switch (mode) {

-		case DPMSModeOn:

-			fbmode = 0;

-			break;

-		case DPMSModeStandby:

-			fbmode = 2;

-			break;

-		case DPMSModeSuspend:

-			fbmode = 3;

-			break;

-		case DPMSModeOff:

-			fbmode = 4;

-			break;

-		default:

-			return;

-	}

-

-	if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)fbmode))

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOBLANK: %s\n", strerror(errno));

-}

-

-Bool

-fbdevHWSaveScreen(ScreenPtr pScreen, int mode)

-{

-	ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];

-	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);

-	unsigned long unblank;

-

-	if (!pScrn->vtSema)

-		return TRUE;

-

-	unblank = xf86IsUnblank(mode);

-

-	if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)(1-unblank))) {

-		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,

-			   "FBIOBLANK: %s\n", strerror(errno));

-		return FALSE;

-	}

-

-	return TRUE;

-}

-

-xf86SwitchModeProc *

-fbdevHWSwitchModeWeak(void) { return fbdevHWSwitchMode; }

-

-xf86AdjustFrameProc *

-fbdevHWAdjustFrameWeak(void) { return fbdevHWAdjustFrame; }

-

-xf86EnterVTProc *

-fbdevHWEnterVTWeak(void) { return fbdevHWEnterVT; }

-

-xf86LeaveVTProc *

-fbdevHWLeaveVTWeak(void) { return fbdevHWLeaveVT; }

-

-xf86ValidModeProc *

-fbdevHWValidModeWeak(void) { return fbdevHWValidMode; }

-

-xf86DPMSSetProc *

-fbdevHWDPMSSetWeak(void) { return fbdevHWDPMSSet; }

-

-xf86LoadPaletteProc *

-fbdevHWLoadPaletteWeak(void) { return fbdevHWLoadPalette; }

-

-SaveScreenProcPtr

-fbdevHWSaveScreenWeak(void) { return fbdevHWSaveScreen; }

+/* all driver need this */
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+/* pci stuff */
+#include "xf86PciInfo.h"
+#include "xf86Pci.h"
+
+#include "xf86cmap.h"
+
+#include "fbdevhw.h"
+#include "fbpriv.h"
+#include "globals.h"
+#include <X11/extensions/dpmsconst.h>
+
+#define PAGE_MASK               (~(getpagesize() - 1))
+
+static XF86ModuleVersionInfo fbdevHWVersRec =
+{
+	"fbdevhw",
+	MODULEVENDORSTRING,
+	MODINFOSTRING1,
+	MODINFOSTRING2,
+	XORG_VERSION_CURRENT,
+	0, 0, 2,
+	ABI_CLASS_VIDEODRV,
+	ABI_VIDEODRV_VERSION,
+	MOD_CLASS_NONE,
+	{0,0,0,0}
+};
+
+_X_EXPORT XF86ModuleData fbdevhwModuleData = {
+    &fbdevHWVersRec,
+    NULL,
+    NULL
+};
+
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* -------------------------------------------------------------------- */
+/* our private data, and two functions to allocate/free this            */
+
+#define FBDEVHWPTRLVAL(p) (p)->privates[fbdevHWPrivateIndex].ptr
+#define FBDEVHWPTR(p) ((fbdevHWPtr)(FBDEVHWPTRLVAL(p)))
+
+static int fbdevHWPrivateIndex = -1;
+
+typedef struct {
+	/* framebuffer device: filename (/dev/fb*), handle, more */
+	char*				device;
+	int				fd;
+	void*				fbmem;
+	unsigned int			fbmem_len;
+	unsigned int			fboff;
+	char*				mmio;
+	unsigned int			mmio_len;
+
+	/* current hardware state */
+	struct fb_fix_screeninfo	fix;
+	struct fb_var_screeninfo	var;
+
+	/* saved video mode */
+	struct fb_var_screeninfo	saved_var;
+
+	/* buildin video mode */
+	DisplayModeRec			buildin;
+
+} fbdevHWRec, *fbdevHWPtr;
+
+Bool
+fbdevHWGetRec(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr;
+	
+	if (fbdevHWPrivateIndex < 0)
+		fbdevHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
+
+	if (FBDEVHWPTR(pScrn) != NULL)
+		return TRUE;
+	
+	fPtr = FBDEVHWPTRLVAL(pScrn) = xnfcalloc(sizeof(fbdevHWRec), 1);
+	return TRUE;
+}
+
+void
+fbdevHWFreeRec(ScrnInfoPtr pScrn)
+{
+	if (fbdevHWPrivateIndex < 0)
+		return;
+	if (FBDEVHWPTR(pScrn) == NULL)
+		return;
+	free(FBDEVHWPTR(pScrn));
+	FBDEVHWPTRLVAL(pScrn) = NULL;
+}
+
+int
+fbdevHWGetFD(ScrnInfoPtr pScrn)
+{
+    fbdevHWPtr fPtr;
+
+    fbdevHWGetRec(pScrn);
+    fPtr = FBDEVHWPTR(pScrn);
+
+    return fPtr->fd;
+}
+
+/* -------------------------------------------------------------------- */
+/* some helpers for printing debug informations                         */
+
+#if DEBUG
+static void
+print_fbdev_mode(char *txt, struct fb_var_screeninfo *var)
+{
+	ErrorF( "fbdev %s mode:\t%d   %d %d %d %d   %d %d %d %d   %d %d:%d:%d\n",
+		txt,var->pixclock,
+		var->xres, var->right_margin, var->hsync_len, var->left_margin,
+		var->yres, var->lower_margin, var->vsync_len, var->upper_margin,
+		var->bits_per_pixel,
+		var->red.length, var->green.length, var->blue.length);
+}
+
+static void
+print_xfree_mode(char *txt, DisplayModePtr mode)
+{
+	ErrorF( "xfree %s mode:\t%d   %d %d %d %d   %d %d %d %d\n",
+		txt,mode->Clock,
+		mode->HDisplay, mode->HSyncStart, mode->HSyncEnd, mode->HTotal,
+		mode->VDisplay, mode->VSyncStart, mode->VSyncEnd, mode->VTotal);
+}
+#endif
+
+/* -------------------------------------------------------------------- */
+/* Convert timings between the XFree and the Frame Buffer Device        */
+
+static void
+xfree2fbdev_fblayout(ScrnInfoPtr pScrn, struct fb_var_screeninfo *var)
+{
+	var->xres_virtual   = pScrn->displayWidth ? pScrn->displayWidth :
+			      pScrn->virtualX;
+	var->yres_virtual   = pScrn->virtualY;
+	var->bits_per_pixel = pScrn->bitsPerPixel;
+	if (pScrn->defaultVisual == TrueColor ||
+	    pScrn->defaultVisual == DirectColor) {
+	    var->red.length     = pScrn->weight.red;
+	    var->green.length   = pScrn->weight.green;
+	    var->blue.length    = pScrn->weight.blue;
+	} else {
+	    var->red.length     = 8;
+	    var->green.length   = 8;
+	    var->blue.length    = 8;
+	}
+}
+
+static void
+xfree2fbdev_timing(DisplayModePtr mode, struct fb_var_screeninfo *var)
+{
+	var->xres = mode->HDisplay;
+	var->yres = mode->VDisplay;
+	if (var->xres_virtual < var->xres)
+		var->xres_virtual = var->xres;
+	if (var->yres_virtual < var->yres)
+		var->yres_virtual = var->yres;
+	var->xoffset = var->yoffset = 0;
+	var->pixclock = mode->Clock ? 1000000000/mode->Clock : 0;
+	var->right_margin = mode->HSyncStart-mode->HDisplay;
+	var->hsync_len = mode->HSyncEnd-mode->HSyncStart;
+	var->left_margin = mode->HTotal-mode->HSyncEnd;
+	var->lower_margin = mode->VSyncStart-mode->VDisplay;
+	var->vsync_len = mode->VSyncEnd-mode->VSyncStart;
+	var->upper_margin = mode->VTotal-mode->VSyncEnd;
+	var->sync = 0;
+	if (mode->Flags & V_PHSYNC)
+		var->sync |= FB_SYNC_HOR_HIGH_ACT;
+	if (mode->Flags & V_PVSYNC)
+		var->sync |= FB_SYNC_VERT_HIGH_ACT;
+	if (mode->Flags & V_PCSYNC)
+		var->sync |= FB_SYNC_COMP_HIGH_ACT;
+	if (mode->Flags & V_BCAST)
+		var->sync |= FB_SYNC_BROADCAST;
+	if (mode->Flags & V_INTERLACE)
+		var->vmode = FB_VMODE_INTERLACED;
+	else if (mode->Flags & V_DBLSCAN)
+		var->vmode = FB_VMODE_DOUBLE;
+	else
+		var->vmode = FB_VMODE_NONINTERLACED;
+}
+
+static Bool
+fbdev_modes_equal(struct fb_var_screeninfo *set, struct fb_var_screeninfo *req)
+{
+	return (set->xres_virtual >= req->xres_virtual &&
+		set->yres_virtual >= req->yres_virtual &&
+		set->bits_per_pixel == req->bits_per_pixel &&
+		set->red.length == req->red.length &&
+		set->green.length == req->green.length &&
+		set->blue.length == req->blue.length &&
+		set->xres == req->xres && set->yres == req->yres &&
+		set->right_margin == req->right_margin &&
+		set->hsync_len == req->hsync_len &&
+		set->left_margin == req->left_margin &&
+		set->lower_margin == req->lower_margin &&
+		set->vsync_len == req->vsync_len &&
+		set->upper_margin == req->upper_margin &&
+		set->sync == req->sync && set->vmode == req->vmode);
+}
+
+static void
+fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode)
+{
+	mode->Clock = var->pixclock ? 1000000000/var->pixclock : 0;
+	mode->HDisplay = var->xres;
+	mode->HSyncStart = mode->HDisplay+var->right_margin;
+	mode->HSyncEnd = mode->HSyncStart+var->hsync_len;
+	mode->HTotal = mode->HSyncEnd+var->left_margin;
+	mode->VDisplay = var->yres;
+	mode->VSyncStart = mode->VDisplay+var->lower_margin;
+	mode->VSyncEnd = mode->VSyncStart+var->vsync_len;
+	mode->VTotal = mode->VSyncEnd+var->upper_margin;
+	mode->Flags = 0;
+	mode->Flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;
+	mode->Flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;
+	mode->Flags |= var->sync & FB_SYNC_COMP_HIGH_ACT ? V_PCSYNC : V_NCSYNC;
+	if (var->sync & FB_SYNC_BROADCAST)
+		mode->Flags |= V_BCAST;
+	if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
+		mode->Flags |= V_INTERLACE;
+	else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
+		mode->Flags |= V_DBLSCAN;
+	mode->SynthClock = mode->Clock;
+	mode->CrtcHDisplay = mode->HDisplay;
+	mode->CrtcHSyncStart = mode->HSyncStart;
+	mode->CrtcHSyncEnd = mode->HSyncEnd;
+	mode->CrtcHTotal = mode->HTotal;
+	mode->CrtcVDisplay = mode->VDisplay;
+	mode->CrtcVSyncStart = mode->VSyncStart;
+	mode->CrtcVSyncEnd = mode->VSyncEnd;
+	mode->CrtcVTotal = mode->VTotal;
+	mode->CrtcHAdjusted = FALSE;
+	mode->CrtcVAdjusted = FALSE;
+}
+
+
+/* -------------------------------------------------------------------- */
+/* open correct framebuffer device                                      */
+
+/**
+ * Try to find the framebuffer device for a given PCI device 
+ */
+static int
+fbdev_open_pci(struct pci_device * pPci, char **namep)
+{
+    struct	fb_fix_screeninfo fix;
+    char	filename[256];
+    int	fd, i;
+
+    for (i = 0; i < 8; i++) {
+	sprintf(filename, 
+		"/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics/fb%d",
+		pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
+
+	fd = open(filename, O_RDONLY, 0);
+        if (fd < 0) {
+            sprintf(filename,
+                    "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics:fb%d",
+                    pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
+            fd = open(filename, O_RDONLY, 0);
+        }
+	if (fd >= 0) {
+	    close(fd);
+	    sprintf(filename, "/dev/fb%d", i);
+
+	    fd = open(filename, O_RDWR, 0);
+	    if (fd != -1) {
+		if (ioctl(fd, FBIOGET_FSCREENINFO, (void*) & fix) != -1) {
+		    if (namep) {
+			*namep = xnfalloc(16);
+			strncpy(*namep,fix.id,16);
+		    }
+
+		    return fd;
+		}
+		close(fd);
+	    }
+	}
+    }
+
+    if (namep)
+      *namep = NULL;
+
+    xf86DrvMsg(-1, X_ERROR, "Unable to find a valid framebuffer device\n");
+    return -1;
+}
+
+static int
+fbdev_open(int scrnIndex, char *dev, char** namep)
+{
+	struct	fb_fix_screeninfo fix;
+	int    fd;
+
+	/* try argument (from XF86Config) first */
+	if (dev) {
+	    fd = open(dev,O_RDWR,0);
+	} else {
+	    /* second: environment variable */
+	    dev = getenv("FRAMEBUFFER");
+	    if ((NULL == dev) || ((fd = open(dev,O_RDWR,0)) == -1)) {
+		/* last try: default device */
+		dev = "/dev/fb0";
+		fd = open(dev,O_RDWR,0);
+	    }
+	}
+
+	if (fd == -1) {
+	    xf86DrvMsg(scrnIndex, X_ERROR,
+		       "open %s: %s\n", dev, strerror(errno));
+	    return -1;
+	}
+
+	if (namep) {
+	    if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)(&fix))) {
+		*namep = NULL;
+		xf86DrvMsg(scrnIndex, X_ERROR,
+			   "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
+		return -1;
+	    } else {
+		*namep = xnfalloc(16);
+		strncpy(*namep,fix.id,16);
+	    }
+	}
+	return fd;
+}
+
+/* -------------------------------------------------------------------- */
+
+Bool
+fbdevHWProbe(struct pci_device * pPci, char *device,char **namep)
+{
+	int fd;
+
+	if (pPci)
+		fd = fbdev_open_pci(pPci,namep);
+	else
+		fd = fbdev_open(-1,device,namep);
+
+	if (-1 == fd)
+		return FALSE;
+	close(fd);
+	return TRUE;
+}
+
+Bool
+fbdevHWInit(ScrnInfoPtr pScrn, struct pci_device * pPci, char *device)
+{
+	fbdevHWPtr fPtr;
+
+	fbdevHWGetRec(pScrn);
+	fPtr = FBDEVHWPTR(pScrn);
+
+	/* open device */
+	if (pPci)
+		fPtr->fd = fbdev_open_pci(pPci,NULL);
+	else
+		fPtr->fd = fbdev_open(pScrn->scrnIndex,device,NULL);
+	if (-1 == fPtr->fd) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "Failed to open framebuffer device, consult warnings"
+			   " and/or errors above for possible reasons\n"
+			   "\t(you may have to look at the server log to see"
+			   " warnings)\n");
+		return FALSE;
+	}
+
+	/* get current fb device settings */
+	if (-1 == ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "ioctl FBIOGET_FSCREENINFO: %s\n",
+			   strerror(errno));
+		return FALSE;
+	}
+	if (-1 == ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "ioctl FBIOGET_VSCREENINFO: %s\n",
+			   strerror(errno));
+		return FALSE;
+	}
+
+	/* we can use the current settings as "buildin mode" */
+	fbdev2xfree_timing(&fPtr->var, &fPtr->buildin);
+	fPtr->buildin.name  = "current";
+	fPtr->buildin.next  = &fPtr->buildin;
+	fPtr->buildin.prev  = &fPtr->buildin;
+	fPtr->buildin.type |= M_T_BUILTIN;
+	
+	return TRUE;
+}
+
+char*
+fbdevHWGetName(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	return fPtr->fix.id;
+}
+
+int
+fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (fbbpp)
+	    *fbbpp = fPtr->var.bits_per_pixel;
+
+	if (fPtr->fix.visual == FB_VISUAL_TRUECOLOR ||
+	    fPtr->fix.visual == FB_VISUAL_DIRECTCOLOR)
+		return fPtr->var.red.length+fPtr->var.green.length+
+			fPtr->var.blue.length;
+	else
+		return fPtr->var.bits_per_pixel;
+}
+
+int
+fbdevHWGetLineLength(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (fPtr->fix.line_length)
+		return fPtr->fix.line_length;
+	else
+		return fPtr->var.xres_virtual*fPtr->var.bits_per_pixel/8;
+}
+
+int
+fbdevHWGetType(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	return fPtr->fix.type;
+}
+
+int
+fbdevHWGetVidmem(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	return fPtr->fix.smem_len;
+}
+
+static Bool
+fbdevHWSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool check)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	struct fb_var_screeninfo req_var = fPtr->var, set_var;
+
+	xfree2fbdev_fblayout(pScrn, &req_var);
+	xfree2fbdev_timing(mode, &req_var);
+
+#if DEBUG
+	print_xfree_mode("init", mode);
+	print_fbdev_mode("init", &req_var);
+#endif
+
+	set_var = req_var;
+
+	if (check)
+		set_var.activate = FB_ACTIVATE_TEST;
+
+	if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void*)(&set_var))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+		return FALSE;
+	}
+
+	if (!fbdev_modes_equal(&set_var, &req_var)) {
+		if (!check)
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "FBIOPUT_VSCREENINFO succeeded but modified "
+				   "mode\n");
+#if DEBUG
+		print_fbdev_mode("returned", &set_var);
+#endif
+		return FALSE;
+	}
+
+	if (!check)
+		fPtr->var = set_var;
+
+	return TRUE;
+}
+
+void
+fbdevHWSetVideoModes(ScrnInfoPtr pScrn)
+{
+	char **modename;
+	DisplayModePtr mode,this,last = pScrn->modes;
+
+	if (NULL == pScrn->display->modes)
+		return;
+
+	pScrn->virtualX = pScrn->display->virtualX;
+	pScrn->virtualY = pScrn->display->virtualY;
+
+	for (modename = pScrn->display->modes; *modename != NULL; modename++) {
+		for (mode = pScrn->monitor->Modes; mode != NULL; mode = mode->next)
+			if (0 == strcmp(mode->name,*modename))
+				break;
+		if (NULL == mode) {
+			xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+				   "\tmode \"%s\" not found\n", *modename);
+			continue;
+		}
+
+		if (!fbdevHWSetMode(pScrn, mode, TRUE)) {
+			xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+				   "\tmode \"%s\" test failed\n", *modename);
+			continue;
+		}
+		xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+			   "\tmode \"%s\" ok\n", *modename);
+
+		if (pScrn->virtualX < mode->HDisplay)
+			pScrn->virtualX = mode->HDisplay;
+		if (pScrn->virtualY < mode->VDisplay)
+			pScrn->virtualY = mode->VDisplay;
+
+		if (NULL == pScrn->modes) {
+			this = pScrn->modes = xf86DuplicateMode(mode);
+			this->next = this;
+			this->prev = this;
+		} else {
+			this = xf86DuplicateMode(mode);
+			this->next = pScrn->modes;
+			this->prev = last;
+			last->next = this;
+			pScrn->modes->prev = this;
+		}
+		last = this;
+	}
+}
+
+DisplayModePtr
+fbdevHWGetBuildinMode(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	return &fPtr->buildin;
+}
+
+void
+fbdevHWUseBuildinMode(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	pScrn->modes    = &fPtr->buildin;
+	pScrn->virtualX = pScrn->display->virtualX;
+	pScrn->virtualY = pScrn->display->virtualY;
+	if (pScrn->virtualX < fPtr->buildin.HDisplay)
+		pScrn->virtualX = fPtr->buildin.HDisplay;
+	if (pScrn->virtualY < fPtr->buildin.VDisplay)
+		pScrn->virtualY = fPtr->buildin.VDisplay;
+}
+
+/* -------------------------------------------------------------------- */
+
+static void
+calculateFbmem_len(fbdevHWPtr fPtr)
+{
+	fPtr->fboff = (unsigned long) fPtr->fix.smem_start & ~PAGE_MASK;
+	fPtr->fbmem_len = (fPtr->fboff+fPtr->fix.smem_len+~PAGE_MASK) &
+			  PAGE_MASK;
+}
+
+
+void*
+fbdevHWMapVidmem(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (NULL == fPtr->fbmem) {
+		calculateFbmem_len(fPtr);
+		fPtr->fbmem = mmap(NULL, fPtr->fbmem_len, PROT_READ | PROT_WRITE,
+				   MAP_SHARED, fPtr->fd, 0);
+		if (-1 == (long)fPtr->fbmem) {
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "mmap fbmem: %s\n", strerror(errno));
+			fPtr->fbmem = NULL;
+		} else {
+		    /* Perhaps we'd better add fboff to fbmem and return 0 in
+		       fbdevHWLinearOffset()? Of course we then need to mask
+		       fPtr->fbmem with PAGE_MASK in fbdevHWUnmapVidmem() as
+		       well. [geert] */
+		}
+	}
+	pScrn->memPhysBase = (unsigned long)fPtr->fix.smem_start & (unsigned long)(PAGE_MASK);
+	pScrn->fbOffset = (unsigned long)fPtr->fix.smem_start & (unsigned long)(~PAGE_MASK);
+	return fPtr->fbmem;
+}
+
+int
+fbdevHWLinearOffset(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	return fPtr->fboff;
+}
+
+Bool
+fbdevHWUnmapVidmem(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (NULL != fPtr->fbmem) {
+		if (-1 == munmap(fPtr->fbmem, fPtr->fbmem_len))
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "munmap fbmem: %s\n", strerror(errno));
+		fPtr->fbmem = NULL;
+	}
+	return TRUE;
+}
+
+void*
+fbdevHWMapMMIO(ScrnInfoPtr pScrn)
+{
+	unsigned int mmio_off;
+
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (NULL == fPtr->mmio) {
+		/* tell the kernel not to use accels to speed up console scrolling */
+		fPtr->var.accel_flags = 0;
+		if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) {
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+			return FALSE;
+		}
+		mmio_off = (unsigned long) fPtr->fix.mmio_start & ~PAGE_MASK;
+		fPtr->mmio_len = (mmio_off+fPtr->fix.mmio_len+~PAGE_MASK) &
+				  PAGE_MASK;
+		if (NULL == fPtr->fbmem)
+			calculateFbmem_len(fPtr);
+		fPtr->mmio = mmap(NULL, fPtr->mmio_len, PROT_READ | PROT_WRITE,
+				  MAP_SHARED, fPtr->fd, fPtr->fbmem_len);
+		if (-1 == (long)fPtr->mmio) {
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "mmap mmio: %s\n", strerror(errno));
+			fPtr->mmio = NULL;
+		} else
+			fPtr->mmio += mmio_off;
+	}
+	return fPtr->mmio;
+}
+
+Bool
+fbdevHWUnmapMMIO(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (NULL != fPtr->mmio) {
+		if (-1 == munmap((void *)((unsigned long)fPtr->mmio & PAGE_MASK), fPtr->mmio_len))
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "munmap mmio: %s\n", strerror(errno));
+		fPtr->mmio = NULL;
+		/* FIXME: restore var.accel_flags [geert] */
+	}
+	return TRUE;
+}
+
+/* -------------------------------------------------------------------- */
+
+Bool
+fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
+{	
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	
+	pScrn->vtSema = TRUE;
+
+	/* set */
+	if (!fbdevHWSetMode(pScrn, mode, FALSE))
+		return FALSE;
+
+	/* read back */
+	if (0 != ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
+		return FALSE;
+	}
+	if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
+		return FALSE;
+	}
+
+	if (pScrn->defaultVisual == TrueColor ||
+	    pScrn->defaultVisual == DirectColor) {
+	    /* XXX: This is a hack, but it should be a NOP for all the setups that
+	     * worked before and actually seems to fix some others...
+	     */
+	    pScrn->offset.red   = fPtr->var.red.offset;
+	    pScrn->offset.green = fPtr->var.green.offset;
+	    pScrn->offset.blue  = fPtr->var.blue.offset;
+	    pScrn->mask.red     = ((1 << fPtr->var.red.length) - 1) << fPtr->var.red.offset;
+	    pScrn->mask.green   = ((1 << fPtr->var.green.length) - 1) << fPtr->var.green.offset;
+	    pScrn->mask.blue    = ((1 << fPtr->var.blue.length) - 1) << fPtr->var.blue.offset;
+	}
+
+	return TRUE;
+}
+
+/* -------------------------------------------------------------------- */
+/* video mode save/restore                                              */
+void
+fbdevHWSave(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->saved_var)))
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
+}
+
+void
+fbdevHWRestore(ScrnInfoPtr pScrn)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->saved_var)))
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+}
+
+/* -------------------------------------------------------------------- */
+/* callback for xf86HandleColormaps                                     */
+
+void
+fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
+		 LOCO *colors, VisualPtr pVisual)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	struct fb_cmap cmap;
+	unsigned short red,green,blue;
+	int i;
+
+	cmap.len   = 1;
+	cmap.red   = &red;
+	cmap.green = &green;
+	cmap.blue  = &blue;
+	cmap.transp = NULL;
+	for (i = 0; i < numColors; i++) {
+		cmap.start = indices[i];
+		red   = (colors[indices[i]].red   << 8) |
+			colors[indices[i]].red;
+		green = (colors[indices[i]].green << 8) |
+			colors[indices[i]].green;
+		blue  = (colors[indices[i]].blue  << 8) |
+			colors[indices[i]].blue;
+		if (-1 == ioctl(fPtr->fd,FBIOPUTCMAP,(void*)&cmap))
+			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+				   "FBIOPUTCMAP: %s\n", strerror(errno));
+	}
+}
+
+/* -------------------------------------------------------------------- */
+/* these can be hooked directly into ScrnInfoRec                        */
+
+ModeStatus
+fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
+{
+	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+	if (!fbdevHWSetMode(pScrn, mode, TRUE))
+		return MODE_BAD;
+
+	return MODE_OK;
+}
+
+Bool
+fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
+{
+	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+
+	if (!fbdevHWSetMode(pScrn, mode, FALSE))
+		return FALSE;
+
+	return TRUE;
+}
+
+void
+fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags)
+{
+	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+	if ( x < 0 || x + fPtr->var.xres > fPtr->var.xres_virtual || 
+	     y < 0 || y + fPtr->var.yres > fPtr->var.yres_virtual )
+		return;
+
+	fPtr->var.xoffset = x;
+	fPtr->var.yoffset = y;
+	if (-1 == ioctl(fPtr->fd,FBIOPAN_DISPLAY,(void*)&fPtr->var))
+		xf86DrvMsgVerb(scrnIndex, X_WARNING, 5, 
+			   "FBIOPAN_DISPLAY: %s\n", strerror(errno));
+}
+
+Bool
+fbdevHWEnterVT(int scrnIndex, int flags)
+{
+	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+	
+	if (!fbdevHWModeInit(pScrn, pScrn->currentMode))
+		return FALSE;
+	fbdevHWAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
+	return TRUE;
+}
+
+void
+fbdevHWLeaveVT(int scrnIndex, int flags)
+{
+	ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+	fbdevHWRestore(pScrn);
+}
+
+void
+fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags)
+{
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	unsigned long fbmode;
+
+	if (!pScrn->vtSema)
+		return;
+
+	switch (mode) {
+		case DPMSModeOn:
+			fbmode = 0;
+			break;
+		case DPMSModeStandby:
+			fbmode = 2;
+			break;
+		case DPMSModeSuspend:
+			fbmode = 3;
+			break;
+		case DPMSModeOff:
+			fbmode = 4;
+			break;
+		default:
+			return;
+	}
+
+	if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)fbmode))
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOBLANK: %s\n", strerror(errno));
+}
+
+Bool
+fbdevHWSaveScreen(ScreenPtr pScreen, int mode)
+{
+	ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+	fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+	unsigned long unblank;
+
+	if (!pScrn->vtSema)
+		return TRUE;
+
+	unblank = xf86IsUnblank(mode);
+
+	if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)(1-unblank))) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "FBIOBLANK: %s\n", strerror(errno));
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+xf86SwitchModeProc *
+fbdevHWSwitchModeWeak(void) { return fbdevHWSwitchMode; }
+
+xf86AdjustFrameProc *
+fbdevHWAdjustFrameWeak(void) { return fbdevHWAdjustFrame; }
+
+xf86EnterVTProc *
+fbdevHWEnterVTWeak(void) { return fbdevHWEnterVT; }
+
+xf86LeaveVTProc *
+fbdevHWLeaveVTWeak(void) { return fbdevHWLeaveVT; }
+
+xf86ValidModeProc *
+fbdevHWValidModeWeak(void) { return fbdevHWValidMode; }
+
+xf86DPMSSetProc *
+fbdevHWDPMSSetWeak(void) { return fbdevHWDPMSSet; }
+
+xf86LoadPaletteProc *
+fbdevHWLoadPaletteWeak(void) { return fbdevHWLoadPalette; }
+
+SaveScreenProcPtr
+fbdevHWSaveScreenWeak(void) { return fbdevHWSaveScreen; }