xserver git update 15/5/2010

1 files changed, 667 insertions, 667 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86VidMode.c b/xorg-server/hw/xfree86/common/xf86VidMode.c
index 49b86e73a..08f27b8e4 100644
--- a/xorg-server/hw/xfree86/common/xf86VidMode.c
+++ b/xorg-server/hw/xfree86/common/xf86VidMode.c
@@ -1,667 +1,667 @@
-/*
- * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-/*
- * This file contains the VidMode functions required by the extension.
- * These have been added to avoid the need for the higher level extension
- * code to access the private XFree86 data structures directly. Wherever
- * possible this code uses the functions in xf86Mode.c to do the work,
- * so that two version of code that do similar things don't have to be
- * maintained.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include "os.h"
-#include "xf86.h"
-#include "xf86Priv.h"
-
-#ifdef XF86VIDMODE
-#include "vidmodeproc.h"
-#include "xf86cmap.h"
-
-static int VidModeKeyIndex;
-static DevPrivateKey VidModeKey;
-static int VidModeCount = 0;
-static Bool VidModeClose(int i, ScreenPtr pScreen);
-
-#define VMPTR(p) ((VidModePtr)dixLookupPrivate(&(p)->devPrivates, VidModeKey))
-
-#endif
-
-Bool
-VidModeExtensionInit(ScreenPtr pScreen)
-{
-#ifdef XF86VIDMODE
-    VidModePtr pVidMode;
-    
-    if (!xf86GetVidModeEnabled()) {
-	DebugF("!xf86GetVidModeEnabled()\n");
-	return FALSE;
-    }
-
-    VidModeKey = &VidModeKeyIndex;
-
-    if (!dixSetPrivate(&pScreen->devPrivates, VidModeKey,
-		       xcalloc(sizeof(VidModeRec), 1))) {
-	DebugF("xcalloc failed\n");
-	return FALSE;
-    }
-
-    pVidMode = VMPTR(pScreen);
-    pVidMode->Flags = 0;
-    pVidMode->Next = NULL;
-    pVidMode->CloseScreen = pScreen->CloseScreen;
-    pScreen->CloseScreen = VidModeClose;
-    VidModeCount++;
-    return TRUE;
-#else
-    DebugF("no vidmode extension\n");
-    return FALSE;
-#endif
-}
-
-
-#ifdef XF86VIDMODE
-
-static Bool
-VidModeClose(int i, ScreenPtr pScreen)
-{
-    VidModePtr pVidMode = VMPTR(pScreen);
-
-    /* This shouldn't happen */
-    if (!pVidMode)
-	return FALSE;
-
-    pScreen->CloseScreen = pVidMode->CloseScreen;
-
-    if (--VidModeCount == 0) {
-	xfree(dixLookupPrivate(&pScreen->devPrivates, VidModeKey));
-	dixSetPrivate(&pScreen->devPrivates, VidModeKey, NULL);
-	VidModeKey = NULL;
-    }
-    return pScreen->CloseScreen(i, pScreen);
-}
-
-Bool
-VidModeAvailable(int scrnIndex)
-{
-    ScrnInfoPtr pScrn;
-    VidModePtr pVidMode;
-
-    if (VidModeKey == NULL) {
-	DebugF("VidModeKey == NULL\n");
-	return FALSE;
-    }
- 
-    pScrn = xf86Screens[scrnIndex];
-    if (pScrn == NULL) {
-	DebugF("pScrn == NULL\n");
-	return FALSE;
-    }
-    
-    pVidMode = VMPTR(pScrn->pScreen);
-    if (pVidMode)
-	return TRUE;
-    else {
-	DebugF("pVidMode == NULL\n");
-	return FALSE;
-    }
-}
-
-Bool
-VidModeGetCurrentModeline(int scrnIndex, pointer *mode, int *dotClock)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    if (pScrn->currentMode) {
-	*mode = (pointer)(pScrn->currentMode);
-	*dotClock = pScrn->currentMode->Clock;
-
-	return TRUE;
-    }
-    return FALSE;
-}
-
-int
-VidModeGetDotClock(int scrnIndex, int Clock)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return 0;
-
-    pScrn = xf86Screens[scrnIndex];
-    if ((pScrn->progClock) || (Clock >= MAXCLOCKS))
-	return Clock;
-    else  
-	return pScrn->clock[Clock];
-}
-
-int
-VidModeGetNumOfClocks(int scrnIndex, Bool *progClock)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return 0;
-
-    pScrn = xf86Screens[scrnIndex];
-    if (pScrn->progClock){
-	*progClock = TRUE;
-	return 0;
-    } else {
-	*progClock = FALSE;
-	return pScrn->numClocks;
-    }
-}
-
-Bool
-VidModeGetClocks(int scrnIndex, int *Clocks)
-{
-    ScrnInfoPtr pScrn;
-    int i;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    if (pScrn->progClock)
-	return FALSE;
-
-    for (i = 0;  i < pScrn->numClocks;  i++)
-	*Clocks++ = pScrn->clock[i];
-
-    return TRUE;
-}
-
-
-Bool
-VidModeGetFirstModeline(int scrnIndex, pointer *mode, int *dotClock)
-{
-    ScrnInfoPtr pScrn;
-    VidModePtr pVidMode;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    pVidMode = VMPTR(pScrn->pScreen);
-    pVidMode->First = pScrn->modes;
-    pVidMode->Next =  pVidMode->First->next;
-
-    if (pVidMode->First->status == MODE_OK) {
-      *mode = (pointer)(pVidMode->First);
-      *dotClock = VidModeGetDotClock(scrnIndex, pVidMode->First->Clock);
-      return TRUE;
-    }
-
-    return VidModeGetNextModeline(scrnIndex, mode, dotClock);
-}
-
-Bool
-VidModeGetNextModeline(int scrnIndex, pointer *mode, int *dotClock)
-{
-    ScrnInfoPtr pScrn;
-    VidModePtr pVidMode;
-    DisplayModePtr p;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    pVidMode = VMPTR(pScrn->pScreen);
-
-    for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) {
-	if (p->status == MODE_OK) {
-	    pVidMode->Next = p->next;
-	    *mode = (pointer)p;
-	    *dotClock = VidModeGetDotClock(scrnIndex, p->Clock);
-	    return TRUE;
-	}
-    }
-    
-    return FALSE;
-}
-
-Bool
-VidModeDeleteModeline(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-
-    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    xf86DeleteMode(&(pScrn->modes), (DisplayModePtr)mode);
-    return TRUE;
-}
-
-Bool
-VidModeZoomViewport(int scrnIndex, int zoom)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    xf86ZoomViewport(pScrn->pScreen, zoom);
-    return TRUE;
-}
-
-Bool
-VidModeSetViewPort(int scrnIndex, int x, int y)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    pScrn->frameX0 = min( max(x, 0),
-	                 pScrn->virtualX - pScrn->currentMode->HDisplay );
-    pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1;
-    pScrn->frameY0 = min( max(y, 0),
-	                 pScrn->virtualY - pScrn->currentMode->VDisplay );
-    pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1;
-    if (pScrn->AdjustFrame != NULL)
-	(pScrn->AdjustFrame)(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
-
-    return TRUE;
-}
-
-Bool
-VidModeGetViewPort(int scrnIndex, int *x, int *y)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    *x = pScrn->frameX0;
-    *y = pScrn->frameY0;
-    return TRUE;
-}
-
-Bool
-VidModeSwitchMode(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-    DisplayModePtr pTmpMode;
-    Bool retval;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    /* save in case we fail */
-    pTmpMode = pScrn->currentMode;
-    /* Force a mode switch */
-    pScrn->currentMode = NULL;
-    retval = xf86SwitchMode(pScrn->pScreen, mode);
-    /* we failed: restore it */
-    if (retval == FALSE)
-	pScrn->currentMode = pTmpMode;
-    return retval;
-}
-
-Bool
-VidModeLockZoom(int scrnIndex, Bool lock)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    if (xf86Info.dontZoom)
-	return FALSE;
-
-    xf86LockZoom(pScrn->pScreen, lock);
-    return TRUE;
-}
-
-Bool
-VidModeGetMonitor(int scrnIndex, pointer *monitor)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    *monitor = (pointer)(pScrn->monitor);
-
-    return TRUE;
-}
-
-ModeStatus
-VidModeCheckModeForMonitor(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-
-    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
-	return MODE_ERROR;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    return xf86CheckModeForMonitor((DisplayModePtr)mode, pScrn->monitor);
-}
-
-ModeStatus
-VidModeCheckModeForDriver(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-
-    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
-	return MODE_ERROR;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    return xf86CheckModeForDriver(pScrn, (DisplayModePtr)mode, 0);
-}
-
-void
-VidModeSetCrtcForMode(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-    DisplayModePtr ScreenModes;
-    
-    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
-	return;
-
-    /* Ugly hack so that the xf86Mode.c function can be used without change */
-    pScrn = xf86Screens[scrnIndex];
-    ScreenModes = pScrn->modes;
-    pScrn->modes = (DisplayModePtr)mode;
-    
-    xf86SetCrtcForModes(pScrn, pScrn->adjustFlags);
-    pScrn->modes = ScreenModes;
-    return;
-}
-
-Bool
-VidModeAddModeline(int scrnIndex, pointer mode)
-{
-    ScrnInfoPtr pScrn;
-    
-    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-
-    ((DisplayModePtr)mode)->name         = strdup(""); /* freed by deletemode */
-    ((DisplayModePtr)mode)->status       = MODE_OK;
-    ((DisplayModePtr)mode)->next         = pScrn->modes->next;
-    ((DisplayModePtr)mode)->prev         = pScrn->modes;
-    pScrn->modes->next                   = (DisplayModePtr)mode;
-    if( ((DisplayModePtr)mode)->next != NULL )
-      ((DisplayModePtr)mode)->next->prev   = (DisplayModePtr)mode;
-
-    return TRUE;
-}
-
-int
-VidModeGetNumOfModes(int scrnIndex)
-{
-    pointer mode = NULL;
-    int dotClock= 0, nummodes = 0;
-  
-    if (!VidModeGetFirstModeline(scrnIndex, &mode, &dotClock))
-	return nummodes;
-
-    do {
-	nummodes++;
-	if (!VidModeGetNextModeline(scrnIndex, &mode, &dotClock))
-	    return nummodes;
-    } while (TRUE);
-}
-
-Bool
-VidModeSetGamma(int scrnIndex, float red, float green, float blue)
-{
-    ScrnInfoPtr pScrn;
-    Gamma gamma;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    gamma.red = red;
-    gamma.green = green;
-    gamma.blue = blue;
-    if (xf86ChangeGamma(pScrn->pScreen, gamma) != Success)
-	return FALSE;
-    else
-	return TRUE;
-}
-
-Bool
-VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-	return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    *red = pScrn->gamma.red;
-    *green = pScrn->gamma.green;
-    *blue = pScrn->gamma.blue;
-    return TRUE;
-}
-
-Bool
-VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-        return FALSE;
- 
-    pScrn = xf86Screens[scrnIndex];
-    xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b);
-    return TRUE;
-}
-
-Bool
-VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
-{
-    ScrnInfoPtr pScrn;
-
-    if (!VidModeAvailable(scrnIndex))
-        return FALSE;
-
-    pScrn = xf86Screens[scrnIndex];
-    xf86GetGammaRamp(pScrn->pScreen, size, r, g, b);
-    return TRUE;
-}
-
-int
-VidModeGetGammaRampSize(int scrnIndex)
-{
-    if (!VidModeAvailable(scrnIndex))
-        return 0;
-
-    return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen);
-}
-
-pointer
-VidModeCreateMode(void)
-{
-    DisplayModePtr mode;
-  
-    mode = xalloc(sizeof(DisplayModeRec));
-    if (mode != NULL) {
-	mode->name          = "";
-	mode->VScan         = 1;    /* divides refresh rate. default = 1 */
-	mode->Private       = NULL;
-	mode->next          = mode;
-	mode->prev          = mode;
-    }
-    return mode;
-}
-
-void
-VidModeCopyMode(pointer modefrom, pointer modeto)
-{
-  memcpy(modeto, modefrom, sizeof(DisplayModeRec));
-}
-
-
-int
-VidModeGetModeValue(pointer mode, int valtyp)
-{
-  int ret = 0;
-  
-  switch (valtyp) {
-    case VIDMODE_H_DISPLAY:
-	ret = ((DisplayModePtr) mode)->HDisplay;
-	break;
-    case VIDMODE_H_SYNCSTART:
-	ret = ((DisplayModePtr)mode)->HSyncStart;
-	break;
-    case VIDMODE_H_SYNCEND:
-	ret = ((DisplayModePtr)mode)->HSyncEnd;
-	break;
-    case VIDMODE_H_TOTAL:
-	ret = ((DisplayModePtr)mode)->HTotal;
-	break;
-    case VIDMODE_H_SKEW:
-	ret = ((DisplayModePtr)mode)->HSkew;
-	break;
-    case VIDMODE_V_DISPLAY:
-	ret = ((DisplayModePtr)mode)->VDisplay;
-	break;
-    case VIDMODE_V_SYNCSTART:
-	ret = ((DisplayModePtr)mode)->VSyncStart;
-	break;
-    case VIDMODE_V_SYNCEND:
-	ret = ((DisplayModePtr)mode)->VSyncEnd;
-	break;
-    case VIDMODE_V_TOTAL:
-	ret = ((DisplayModePtr)mode)->VTotal;
-	break;
-    case VIDMODE_FLAGS:
-	ret = ((DisplayModePtr)mode)->Flags;
-	break;
-    case VIDMODE_CLOCK:
-	ret = ((DisplayModePtr)mode)->Clock;
-	break;
-  }
-  return ret;
-}
-
-void
-VidModeSetModeValue(pointer mode, int valtyp, int val)
-{
-  switch (valtyp) {
-    case VIDMODE_H_DISPLAY:
-	((DisplayModePtr)mode)->HDisplay = val;
-	break;
-    case VIDMODE_H_SYNCSTART:
-	((DisplayModePtr)mode)->HSyncStart = val;
-	break;
-    case VIDMODE_H_SYNCEND:
-	((DisplayModePtr)mode)->HSyncEnd = val;
-	break;
-    case VIDMODE_H_TOTAL:
-	((DisplayModePtr)mode)->HTotal = val;
-	break;
-    case VIDMODE_H_SKEW:
-	((DisplayModePtr)mode)->HSkew = val;
-	break;
-    case VIDMODE_V_DISPLAY:
-	((DisplayModePtr)mode)->VDisplay = val;
-	break;
-    case VIDMODE_V_SYNCSTART:
-	((DisplayModePtr)mode)->VSyncStart = val;
-	break;
-    case VIDMODE_V_SYNCEND:
-	((DisplayModePtr)mode)->VSyncEnd = val;
-	break;
-    case VIDMODE_V_TOTAL:
-	((DisplayModePtr)mode)->VTotal = val;
-	break;
-    case VIDMODE_FLAGS:
-	((DisplayModePtr)mode)->Flags = val;
-	break;
-    case VIDMODE_CLOCK:
-	((DisplayModePtr)mode)->Clock = val;
-	break;
-  }
-  return;
-}
-
-vidMonitorValue
-VidModeGetMonitorValue(pointer monitor, int valtyp, int indx)
-{
-  vidMonitorValue ret;
-  
-  switch (valtyp) {
-    case VIDMODE_MON_VENDOR:
-	ret.ptr = (((MonPtr)monitor)->vendor);
-	break;
-    case VIDMODE_MON_MODEL:
-	ret.ptr = (((MonPtr)monitor)->model);
-	break;
-    case VIDMODE_MON_NHSYNC:
-	ret.i = ((MonPtr)monitor)->nHsync;
-	break;
-    case VIDMODE_MON_NVREFRESH:
-	ret.i = ((MonPtr)monitor)->nVrefresh;
-	break;
-    case VIDMODE_MON_HSYNC_LO:
-	ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].lo);
-	break;
-    case VIDMODE_MON_HSYNC_HI:
-	ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].hi);
-	break;
-    case VIDMODE_MON_VREFRESH_LO:
-	ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].lo);
-	break;
-    case VIDMODE_MON_VREFRESH_HI:
-	ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].hi);
-	break;
-  }
-  return ret;
-}
-
-
-#endif /* XF86VIDMODE */
+/*

+ * Copyright (c) 1999-2003 by The XFree86 Project, Inc.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included in

+ * all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

+ * OTHER DEALINGS IN THE SOFTWARE.

+ *

+ * Except as contained in this notice, the name of the copyright holder(s)

+ * and author(s) shall not be used in advertising or otherwise to promote

+ * the sale, use or other dealings in this Software without prior written

+ * authorization from the copyright holder(s) and author(s).

+ */

+

+/*

+ * This file contains the VidMode functions required by the extension.

+ * These have been added to avoid the need for the higher level extension

+ * code to access the private XFree86 data structures directly. Wherever

+ * possible this code uses the functions in xf86Mode.c to do the work,

+ * so that two version of code that do similar things don't have to be

+ * maintained.

+ */

+

+#ifdef HAVE_XORG_CONFIG_H

+#include <xorg-config.h>

+#endif

+

+#include <X11/X.h>

+#include "os.h"

+#include "xf86.h"

+#include "xf86Priv.h"

+

+#ifdef XF86VIDMODE

+#include "vidmodeproc.h"

+#include "xf86cmap.h"

+

+static int VidModeKeyIndex;

+static DevPrivateKey VidModeKey;

+static int VidModeCount = 0;

+static Bool VidModeClose(int i, ScreenPtr pScreen);

+

+#define VMPTR(p) ((VidModePtr)dixLookupPrivate(&(p)->devPrivates, VidModeKey))

+

+#endif

+

+Bool

+VidModeExtensionInit(ScreenPtr pScreen)

+{

+#ifdef XF86VIDMODE

+    VidModePtr pVidMode;

+    

+    if (!xf86GetVidModeEnabled()) {

+	DebugF("!xf86GetVidModeEnabled()\n");

+	return FALSE;

+    }

+

+    VidModeKey = &VidModeKeyIndex;

+

+    if (!dixSetPrivate(&pScreen->devPrivates, VidModeKey,

+		       calloc(sizeof(VidModeRec), 1))) {

+	DebugF("xcalloc failed\n");

+	return FALSE;

+    }

+

+    pVidMode = VMPTR(pScreen);

+    pVidMode->Flags = 0;

+    pVidMode->Next = NULL;

+    pVidMode->CloseScreen = pScreen->CloseScreen;

+    pScreen->CloseScreen = VidModeClose;

+    VidModeCount++;

+    return TRUE;

+#else

+    DebugF("no vidmode extension\n");

+    return FALSE;

+#endif

+}

+

+

+#ifdef XF86VIDMODE

+

+static Bool

+VidModeClose(int i, ScreenPtr pScreen)

+{

+    VidModePtr pVidMode = VMPTR(pScreen);

+

+    /* This shouldn't happen */

+    if (!pVidMode)

+	return FALSE;

+

+    pScreen->CloseScreen = pVidMode->CloseScreen;

+

+    if (--VidModeCount == 0) {

+	free(dixLookupPrivate(&pScreen->devPrivates, VidModeKey));

+	dixSetPrivate(&pScreen->devPrivates, VidModeKey, NULL);

+	VidModeKey = NULL;

+    }

+    return pScreen->CloseScreen(i, pScreen);

+}

+

+Bool

+VidModeAvailable(int scrnIndex)

+{

+    ScrnInfoPtr pScrn;

+    VidModePtr pVidMode;

+

+    if (VidModeKey == NULL) {

+	DebugF("VidModeKey == NULL\n");

+	return FALSE;

+    }

+ 

+    pScrn = xf86Screens[scrnIndex];

+    if (pScrn == NULL) {

+	DebugF("pScrn == NULL\n");

+	return FALSE;

+    }

+    

+    pVidMode = VMPTR(pScrn->pScreen);

+    if (pVidMode)

+	return TRUE;

+    else {

+	DebugF("pVidMode == NULL\n");

+	return FALSE;

+    }

+}

+

+Bool

+VidModeGetCurrentModeline(int scrnIndex, pointer *mode, int *dotClock)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    if (pScrn->currentMode) {

+	*mode = (pointer)(pScrn->currentMode);

+	*dotClock = pScrn->currentMode->Clock;

+

+	return TRUE;

+    }

+    return FALSE;

+}

+

+int

+VidModeGetDotClock(int scrnIndex, int Clock)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return 0;

+

+    pScrn = xf86Screens[scrnIndex];

+    if ((pScrn->progClock) || (Clock >= MAXCLOCKS))

+	return Clock;

+    else  

+	return pScrn->clock[Clock];

+}

+

+int

+VidModeGetNumOfClocks(int scrnIndex, Bool *progClock)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return 0;

+

+    pScrn = xf86Screens[scrnIndex];

+    if (pScrn->progClock){

+	*progClock = TRUE;

+	return 0;

+    } else {

+	*progClock = FALSE;

+	return pScrn->numClocks;

+    }

+}

+

+Bool

+VidModeGetClocks(int scrnIndex, int *Clocks)

+{

+    ScrnInfoPtr pScrn;

+    int i;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    if (pScrn->progClock)

+	return FALSE;

+

+    for (i = 0;  i < pScrn->numClocks;  i++)

+	*Clocks++ = pScrn->clock[i];

+

+    return TRUE;

+}

+

+

+Bool

+VidModeGetFirstModeline(int scrnIndex, pointer *mode, int *dotClock)

+{

+    ScrnInfoPtr pScrn;

+    VidModePtr pVidMode;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    pVidMode = VMPTR(pScrn->pScreen);

+    pVidMode->First = pScrn->modes;

+    pVidMode->Next =  pVidMode->First->next;

+

+    if (pVidMode->First->status == MODE_OK) {

+      *mode = (pointer)(pVidMode->First);

+      *dotClock = VidModeGetDotClock(scrnIndex, pVidMode->First->Clock);

+      return TRUE;

+    }

+

+    return VidModeGetNextModeline(scrnIndex, mode, dotClock);

+}

+

+Bool

+VidModeGetNextModeline(int scrnIndex, pointer *mode, int *dotClock)

+{

+    ScrnInfoPtr pScrn;

+    VidModePtr pVidMode;

+    DisplayModePtr p;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    pVidMode = VMPTR(pScrn->pScreen);

+

+    for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) {

+	if (p->status == MODE_OK) {

+	    pVidMode->Next = p->next;

+	    *mode = (pointer)p;

+	    *dotClock = VidModeGetDotClock(scrnIndex, p->Clock);

+	    return TRUE;

+	}

+    }

+    

+    return FALSE;

+}

+

+Bool

+VidModeDeleteModeline(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+

+    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    xf86DeleteMode(&(pScrn->modes), (DisplayModePtr)mode);

+    return TRUE;

+}

+

+Bool

+VidModeZoomViewport(int scrnIndex, int zoom)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    xf86ZoomViewport(pScrn->pScreen, zoom);

+    return TRUE;

+}

+

+Bool

+VidModeSetViewPort(int scrnIndex, int x, int y)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    pScrn->frameX0 = min( max(x, 0),

+	                 pScrn->virtualX - pScrn->currentMode->HDisplay );

+    pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1;

+    pScrn->frameY0 = min( max(y, 0),

+	                 pScrn->virtualY - pScrn->currentMode->VDisplay );

+    pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1;

+    if (pScrn->AdjustFrame != NULL)

+	(pScrn->AdjustFrame)(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);

+

+    return TRUE;

+}

+

+Bool

+VidModeGetViewPort(int scrnIndex, int *x, int *y)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    *x = pScrn->frameX0;

+    *y = pScrn->frameY0;

+    return TRUE;

+}

+

+Bool

+VidModeSwitchMode(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+    DisplayModePtr pTmpMode;

+    Bool retval;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    /* save in case we fail */

+    pTmpMode = pScrn->currentMode;

+    /* Force a mode switch */

+    pScrn->currentMode = NULL;

+    retval = xf86SwitchMode(pScrn->pScreen, mode);

+    /* we failed: restore it */

+    if (retval == FALSE)

+	pScrn->currentMode = pTmpMode;

+    return retval;

+}

+

+Bool

+VidModeLockZoom(int scrnIndex, Bool lock)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    if (xf86Info.dontZoom)

+	return FALSE;

+

+    xf86LockZoom(pScrn->pScreen, lock);

+    return TRUE;

+}

+

+Bool

+VidModeGetMonitor(int scrnIndex, pointer *monitor)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    *monitor = (pointer)(pScrn->monitor);

+

+    return TRUE;

+}

+

+ModeStatus

+VidModeCheckModeForMonitor(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+

+    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))

+	return MODE_ERROR;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    return xf86CheckModeForMonitor((DisplayModePtr)mode, pScrn->monitor);

+}

+

+ModeStatus

+VidModeCheckModeForDriver(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+

+    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))

+	return MODE_ERROR;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    return xf86CheckModeForDriver(pScrn, (DisplayModePtr)mode, 0);

+}

+

+void

+VidModeSetCrtcForMode(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+    DisplayModePtr ScreenModes;

+    

+    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))

+	return;

+

+    /* Ugly hack so that the xf86Mode.c function can be used without change */

+    pScrn = xf86Screens[scrnIndex];

+    ScreenModes = pScrn->modes;

+    pScrn->modes = (DisplayModePtr)mode;

+    

+    xf86SetCrtcForModes(pScrn, pScrn->adjustFlags);

+    pScrn->modes = ScreenModes;

+    return;

+}

+

+Bool

+VidModeAddModeline(int scrnIndex, pointer mode)

+{

+    ScrnInfoPtr pScrn;

+    

+    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+

+    ((DisplayModePtr)mode)->name         = strdup(""); /* freed by deletemode */

+    ((DisplayModePtr)mode)->status       = MODE_OK;

+    ((DisplayModePtr)mode)->next         = pScrn->modes->next;

+    ((DisplayModePtr)mode)->prev         = pScrn->modes;

+    pScrn->modes->next                   = (DisplayModePtr)mode;

+    if( ((DisplayModePtr)mode)->next != NULL )

+      ((DisplayModePtr)mode)->next->prev   = (DisplayModePtr)mode;

+

+    return TRUE;

+}

+

+int

+VidModeGetNumOfModes(int scrnIndex)

+{

+    pointer mode = NULL;

+    int dotClock= 0, nummodes = 0;

+  

+    if (!VidModeGetFirstModeline(scrnIndex, &mode, &dotClock))

+	return nummodes;

+

+    do {

+	nummodes++;

+	if (!VidModeGetNextModeline(scrnIndex, &mode, &dotClock))

+	    return nummodes;

+    } while (TRUE);

+}

+

+Bool

+VidModeSetGamma(int scrnIndex, float red, float green, float blue)

+{

+    ScrnInfoPtr pScrn;

+    Gamma gamma;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    gamma.red = red;

+    gamma.green = green;

+    gamma.blue = blue;

+    if (xf86ChangeGamma(pScrn->pScreen, gamma) != Success)

+	return FALSE;

+    else

+	return TRUE;

+}

+

+Bool

+VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+	return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    *red = pScrn->gamma.red;

+    *green = pScrn->gamma.green;

+    *blue = pScrn->gamma.blue;

+    return TRUE;

+}

+

+Bool

+VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+        return FALSE;

+ 

+    pScrn = xf86Screens[scrnIndex];

+    xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b);

+    return TRUE;

+}

+

+Bool

+VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)

+{

+    ScrnInfoPtr pScrn;

+

+    if (!VidModeAvailable(scrnIndex))

+        return FALSE;

+

+    pScrn = xf86Screens[scrnIndex];

+    xf86GetGammaRamp(pScrn->pScreen, size, r, g, b);

+    return TRUE;

+}

+

+int

+VidModeGetGammaRampSize(int scrnIndex)

+{

+    if (!VidModeAvailable(scrnIndex))

+        return 0;

+

+    return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen);

+}

+

+pointer

+VidModeCreateMode(void)

+{

+    DisplayModePtr mode;

+  

+    mode = malloc(sizeof(DisplayModeRec));

+    if (mode != NULL) {

+	mode->name          = "";

+	mode->VScan         = 1;    /* divides refresh rate. default = 1 */

+	mode->Private       = NULL;

+	mode->next          = mode;

+	mode->prev          = mode;

+    }

+    return mode;

+}

+

+void

+VidModeCopyMode(pointer modefrom, pointer modeto)

+{

+  memcpy(modeto, modefrom, sizeof(DisplayModeRec));

+}

+

+

+int

+VidModeGetModeValue(pointer mode, int valtyp)

+{

+  int ret = 0;

+  

+  switch (valtyp) {

+    case VIDMODE_H_DISPLAY:

+	ret = ((DisplayModePtr) mode)->HDisplay;

+	break;

+    case VIDMODE_H_SYNCSTART:

+	ret = ((DisplayModePtr)mode)->HSyncStart;

+	break;

+    case VIDMODE_H_SYNCEND:

+	ret = ((DisplayModePtr)mode)->HSyncEnd;

+	break;

+    case VIDMODE_H_TOTAL:

+	ret = ((DisplayModePtr)mode)->HTotal;

+	break;

+    case VIDMODE_H_SKEW:

+	ret = ((DisplayModePtr)mode)->HSkew;

+	break;

+    case VIDMODE_V_DISPLAY:

+	ret = ((DisplayModePtr)mode)->VDisplay;

+	break;

+    case VIDMODE_V_SYNCSTART:

+	ret = ((DisplayModePtr)mode)->VSyncStart;

+	break;

+    case VIDMODE_V_SYNCEND:

+	ret = ((DisplayModePtr)mode)->VSyncEnd;

+	break;

+    case VIDMODE_V_TOTAL:

+	ret = ((DisplayModePtr)mode)->VTotal;

+	break;

+    case VIDMODE_FLAGS:

+	ret = ((DisplayModePtr)mode)->Flags;

+	break;

+    case VIDMODE_CLOCK:

+	ret = ((DisplayModePtr)mode)->Clock;

+	break;

+  }

+  return ret;

+}

+

+void

+VidModeSetModeValue(pointer mode, int valtyp, int val)

+{

+  switch (valtyp) {

+    case VIDMODE_H_DISPLAY:

+	((DisplayModePtr)mode)->HDisplay = val;

+	break;

+    case VIDMODE_H_SYNCSTART:

+	((DisplayModePtr)mode)->HSyncStart = val;

+	break;

+    case VIDMODE_H_SYNCEND:

+	((DisplayModePtr)mode)->HSyncEnd = val;

+	break;

+    case VIDMODE_H_TOTAL:

+	((DisplayModePtr)mode)->HTotal = val;

+	break;

+    case VIDMODE_H_SKEW:

+	((DisplayModePtr)mode)->HSkew = val;

+	break;

+    case VIDMODE_V_DISPLAY:

+	((DisplayModePtr)mode)->VDisplay = val;

+	break;

+    case VIDMODE_V_SYNCSTART:

+	((DisplayModePtr)mode)->VSyncStart = val;

+	break;

+    case VIDMODE_V_SYNCEND:

+	((DisplayModePtr)mode)->VSyncEnd = val;

+	break;

+    case VIDMODE_V_TOTAL:

+	((DisplayModePtr)mode)->VTotal = val;

+	break;

+    case VIDMODE_FLAGS:

+	((DisplayModePtr)mode)->Flags = val;

+	break;

+    case VIDMODE_CLOCK:

+	((DisplayModePtr)mode)->Clock = val;

+	break;

+  }

+  return;

+}

+

+vidMonitorValue

+VidModeGetMonitorValue(pointer monitor, int valtyp, int indx)

+{

+  vidMonitorValue ret;

+  

+  switch (valtyp) {

+    case VIDMODE_MON_VENDOR:

+	ret.ptr = (((MonPtr)monitor)->vendor);

+	break;

+    case VIDMODE_MON_MODEL:

+	ret.ptr = (((MonPtr)monitor)->model);

+	break;

+    case VIDMODE_MON_NHSYNC:

+	ret.i = ((MonPtr)monitor)->nHsync;

+	break;

+    case VIDMODE_MON_NVREFRESH:

+	ret.i = ((MonPtr)monitor)->nVrefresh;

+	break;

+    case VIDMODE_MON_HSYNC_LO:

+	ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].lo);

+	break;

+    case VIDMODE_MON_HSYNC_HI:

+	ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].hi);

+	break;

+    case VIDMODE_MON_VREFRESH_LO:

+	ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].lo);

+	break;

+    case VIDMODE_MON_VREFRESH_HI:

+	ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].hi);

+	break;

+  }

+  return ret;

+}

+

+

+#endif /* XF86VIDMODE */