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authormarha <marha@users.sourceforge.net>2010-05-16 20:50:58 +0000
committermarha <marha@users.sourceforge.net>2010-05-16 20:50:58 +0000
commit1c94119ae26b94a60bb2c2b33494ed43c3b8a52f (patch)
treecfe0c736c95314edac7d9f1065be9c13026ed0c1 /xorg-server/hw/xfree86/common/xf86VidMode.c
parent6b29aa4559aeb6f795caee047561654bfa0a1954 (diff)
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svn merge -r588:HEAD ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86VidMode.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86VidMode.c1334
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 */