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29 * This file contains the VidMode functions required by the extension.
30 * These have been added to avoid the need for the higher level extension
31 * code to access the private XFree86 data structures directly. Wherever
32 * possible this code uses the functions in xf86Mode.c to do the work,
33 * so that two version of code that do similar things don't have to be
37 #ifdef HAVE_XORG_CONFIG_H
38 #include <xorg-config.h>
47 #include "vidmodeproc.h"
50 static DevPrivateKeyRec VidModeKeyRec;
51 static DevPrivateKey VidModeKey;
52 static int VidModeCount = 0;
53 static Bool VidModeClose(int i, ScreenPtr pScreen);
55 #define VMPTR(p) ((VidModePtr)dixLookupPrivate(&(p)->devPrivates, VidModeKey))
60 VidModeExtensionInit(ScreenPtr pScreen)
65 if (!xf86GetVidModeEnabled()) {
66 DebugF("!xf86GetVidModeEnabled()\n");
70 VidModeKey = &VidModeKeyRec;
72 if (!dixRegisterPrivateKey(&VidModeKeyRec, PRIVATE_SCREEN, 0))
75 pVidMode = calloc(sizeof(VidModeRec), 1);
79 dixSetPrivate(&pScreen->devPrivates, VidModeKey, pVidMode);
82 pVidMode->Next = NULL;
83 pVidMode->CloseScreen = pScreen->CloseScreen;
84 pScreen->CloseScreen = VidModeClose;
88 DebugF("no vidmode extension\n");
97 VidModeClose(int i, ScreenPtr pScreen)
99 VidModePtr pVidMode = VMPTR(pScreen);
101 /* This shouldn't happen */
105 pScreen->CloseScreen = pVidMode->CloseScreen;
107 if (--VidModeCount == 0) {
108 free(dixLookupPrivate(&pScreen->devPrivates, VidModeKey));
109 dixSetPrivate(&pScreen->devPrivates, VidModeKey, NULL);
112 return pScreen->CloseScreen(i, pScreen);
116 VidModeAvailable(int scrnIndex)
121 if (VidModeKey == NULL) {
122 DebugF("VidModeKey == NULL\n");
126 pScrn = xf86Screens[scrnIndex];
128 DebugF("pScrn == NULL\n");
132 pVidMode = VMPTR(pScrn->pScreen);
136 DebugF("pVidMode == NULL\n");
142 VidModeGetCurrentModeline(int scrnIndex, pointer *mode, int *dotClock)
146 if (!VidModeAvailable(scrnIndex))
149 pScrn = xf86Screens[scrnIndex];
151 if (pScrn->currentMode) {
152 *mode = (pointer)(pScrn->currentMode);
153 *dotClock = pScrn->currentMode->Clock;
161 VidModeGetDotClock(int scrnIndex, int Clock)
165 if (!VidModeAvailable(scrnIndex))
168 pScrn = xf86Screens[scrnIndex];
169 if ((pScrn->progClock) || (Clock >= MAXCLOCKS))
172 return pScrn->clock[Clock];
176 VidModeGetNumOfClocks(int scrnIndex, Bool *progClock)
180 if (!VidModeAvailable(scrnIndex))
183 pScrn = xf86Screens[scrnIndex];
184 if (pScrn->progClock){
189 return pScrn->numClocks;
194 VidModeGetClocks(int scrnIndex, int *Clocks)
199 if (!VidModeAvailable(scrnIndex))
202 pScrn = xf86Screens[scrnIndex];
204 if (pScrn->progClock)
207 for (i = 0; i < pScrn->numClocks; i++)
208 *Clocks++ = pScrn->clock[i];
215 VidModeGetFirstModeline(int scrnIndex, pointer *mode, int *dotClock)
220 if (!VidModeAvailable(scrnIndex))
223 pScrn = xf86Screens[scrnIndex];
224 pVidMode = VMPTR(pScrn->pScreen);
225 pVidMode->First = pScrn->modes;
226 pVidMode->Next = pVidMode->First->next;
228 if (pVidMode->First->status == MODE_OK) {
229 *mode = (pointer)(pVidMode->First);
230 *dotClock = VidModeGetDotClock(scrnIndex, pVidMode->First->Clock);
234 return VidModeGetNextModeline(scrnIndex, mode, dotClock);
238 VidModeGetNextModeline(int scrnIndex, pointer *mode, int *dotClock)
244 if (!VidModeAvailable(scrnIndex))
247 pScrn = xf86Screens[scrnIndex];
248 pVidMode = VMPTR(pScrn->pScreen);
250 for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) {
251 if (p->status == MODE_OK) {
252 pVidMode->Next = p->next;
254 *dotClock = VidModeGetDotClock(scrnIndex, p->Clock);
263 VidModeDeleteModeline(int scrnIndex, pointer mode)
267 if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
270 pScrn = xf86Screens[scrnIndex];
271 xf86DeleteMode(&(pScrn->modes), (DisplayModePtr)mode);
276 VidModeZoomViewport(int scrnIndex, int zoom)
280 if (!VidModeAvailable(scrnIndex))
283 pScrn = xf86Screens[scrnIndex];
284 xf86ZoomViewport(pScrn->pScreen, zoom);
289 VidModeSetViewPort(int scrnIndex, int x, int y)
293 if (!VidModeAvailable(scrnIndex))
296 pScrn = xf86Screens[scrnIndex];
297 pScrn->frameX0 = min( max(x, 0),
298 pScrn->virtualX - pScrn->currentMode->HDisplay );
299 pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1;
300 pScrn->frameY0 = min( max(y, 0),
301 pScrn->virtualY - pScrn->currentMode->VDisplay );
302 pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1;
303 if (pScrn->AdjustFrame != NULL)
304 (pScrn->AdjustFrame)(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
310 VidModeGetViewPort(int scrnIndex, int *x, int *y)
314 if (!VidModeAvailable(scrnIndex))
317 pScrn = xf86Screens[scrnIndex];
324 VidModeSwitchMode(int scrnIndex, pointer mode)
327 DisplayModePtr pTmpMode;
330 if (!VidModeAvailable(scrnIndex))
333 pScrn = xf86Screens[scrnIndex];
334 /* save in case we fail */
335 pTmpMode = pScrn->currentMode;
336 /* Force a mode switch */
337 pScrn->currentMode = NULL;
338 retval = xf86SwitchMode(pScrn->pScreen, mode);
339 /* we failed: restore it */
341 pScrn->currentMode = pTmpMode;
346 VidModeLockZoom(int scrnIndex, Bool lock)
350 if (!VidModeAvailable(scrnIndex))
353 pScrn = xf86Screens[scrnIndex];
355 if (xf86Info.dontZoom)
358 xf86LockZoom(pScrn->pScreen, lock);
363 VidModeGetMonitor(int scrnIndex, pointer *monitor)
367 if (!VidModeAvailable(scrnIndex))
370 pScrn = xf86Screens[scrnIndex];
371 *monitor = (pointer)(pScrn->monitor);
377 VidModeCheckModeForMonitor(int scrnIndex, pointer mode)
381 if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
384 pScrn = xf86Screens[scrnIndex];
386 return xf86CheckModeForMonitor((DisplayModePtr)mode, pScrn->monitor);
390 VidModeCheckModeForDriver(int scrnIndex, pointer mode)
394 if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
397 pScrn = xf86Screens[scrnIndex];
399 return xf86CheckModeForDriver(pScrn, (DisplayModePtr)mode, 0);
403 VidModeSetCrtcForMode(int scrnIndex, pointer mode)
406 DisplayModePtr ScreenModes;
408 if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
411 /* Ugly hack so that the xf86Mode.c function can be used without change */
412 pScrn = xf86Screens[scrnIndex];
413 ScreenModes = pScrn->modes;
414 pScrn->modes = (DisplayModePtr)mode;
416 xf86SetCrtcForModes(pScrn, pScrn->adjustFlags);
417 pScrn->modes = ScreenModes;
422 VidModeAddModeline(int scrnIndex, pointer mode)
426 if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
429 pScrn = xf86Screens[scrnIndex];
431 ((DisplayModePtr)mode)->name = strdup(""); /* freed by deletemode */
432 ((DisplayModePtr)mode)->status = MODE_OK;
433 ((DisplayModePtr)mode)->next = pScrn->modes->next;
434 ((DisplayModePtr)mode)->prev = pScrn->modes;
435 pScrn->modes->next = (DisplayModePtr)mode;
436 if( ((DisplayModePtr)mode)->next != NULL )
437 ((DisplayModePtr)mode)->next->prev = (DisplayModePtr)mode;
443 VidModeGetNumOfModes(int scrnIndex)
446 int dotClock= 0, nummodes = 0;
448 if (!VidModeGetFirstModeline(scrnIndex, &mode, &dotClock))
453 if (!VidModeGetNextModeline(scrnIndex, &mode, &dotClock))
459 VidModeSetGamma(int scrnIndex, float red, float green, float blue)
464 if (!VidModeAvailable(scrnIndex))
467 pScrn = xf86Screens[scrnIndex];
471 if (xf86ChangeGamma(pScrn->pScreen, gamma) != Success)
478 VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue)
482 if (!VidModeAvailable(scrnIndex))
485 pScrn = xf86Screens[scrnIndex];
486 *red = pScrn->gamma.red;
487 *green = pScrn->gamma.green;
488 *blue = pScrn->gamma.blue;
493 VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
497 if (!VidModeAvailable(scrnIndex))
500 pScrn = xf86Screens[scrnIndex];
501 xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b);
506 VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
510 if (!VidModeAvailable(scrnIndex))
513 pScrn = xf86Screens[scrnIndex];
514 xf86GetGammaRamp(pScrn->pScreen, size, r, g, b);
519 VidModeGetGammaRampSize(int scrnIndex)
521 if (!VidModeAvailable(scrnIndex))
524 return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen);
528 VidModeCreateMode(void)
532 mode = malloc(sizeof(DisplayModeRec));
535 mode->VScan = 1; /* divides refresh rate. default = 1 */
536 mode->Private = NULL;
544 VidModeCopyMode(pointer modefrom, pointer modeto)
546 memcpy(modeto, modefrom, sizeof(DisplayModeRec));
551 VidModeGetModeValue(pointer mode, int valtyp)
556 case VIDMODE_H_DISPLAY:
557 ret = ((DisplayModePtr) mode)->HDisplay;
559 case VIDMODE_H_SYNCSTART:
560 ret = ((DisplayModePtr)mode)->HSyncStart;
562 case VIDMODE_H_SYNCEND:
563 ret = ((DisplayModePtr)mode)->HSyncEnd;
565 case VIDMODE_H_TOTAL:
566 ret = ((DisplayModePtr)mode)->HTotal;
569 ret = ((DisplayModePtr)mode)->HSkew;
571 case VIDMODE_V_DISPLAY:
572 ret = ((DisplayModePtr)mode)->VDisplay;
574 case VIDMODE_V_SYNCSTART:
575 ret = ((DisplayModePtr)mode)->VSyncStart;
577 case VIDMODE_V_SYNCEND:
578 ret = ((DisplayModePtr)mode)->VSyncEnd;
580 case VIDMODE_V_TOTAL:
581 ret = ((DisplayModePtr)mode)->VTotal;
584 ret = ((DisplayModePtr)mode)->Flags;
587 ret = ((DisplayModePtr)mode)->Clock;
594 VidModeSetModeValue(pointer mode, int valtyp, int val)
597 case VIDMODE_H_DISPLAY:
598 ((DisplayModePtr)mode)->HDisplay = val;
600 case VIDMODE_H_SYNCSTART:
601 ((DisplayModePtr)mode)->HSyncStart = val;
603 case VIDMODE_H_SYNCEND:
604 ((DisplayModePtr)mode)->HSyncEnd = val;
606 case VIDMODE_H_TOTAL:
607 ((DisplayModePtr)mode)->HTotal = val;
610 ((DisplayModePtr)mode)->HSkew = val;
612 case VIDMODE_V_DISPLAY:
613 ((DisplayModePtr)mode)->VDisplay = val;
615 case VIDMODE_V_SYNCSTART:
616 ((DisplayModePtr)mode)->VSyncStart = val;
618 case VIDMODE_V_SYNCEND:
619 ((DisplayModePtr)mode)->VSyncEnd = val;
621 case VIDMODE_V_TOTAL:
622 ((DisplayModePtr)mode)->VTotal = val;
625 ((DisplayModePtr)mode)->Flags = val;
628 ((DisplayModePtr)mode)->Clock = val;
635 VidModeGetMonitorValue(pointer monitor, int valtyp, int indx)
640 case VIDMODE_MON_VENDOR:
641 ret.ptr = (((MonPtr)monitor)->vendor);
643 case VIDMODE_MON_MODEL:
644 ret.ptr = (((MonPtr)monitor)->model);
646 case VIDMODE_MON_NHSYNC:
647 ret.i = ((MonPtr)monitor)->nHsync;
649 case VIDMODE_MON_NVREFRESH:
650 ret.i = ((MonPtr)monitor)->nVrefresh;
652 case VIDMODE_MON_HSYNC_LO:
653 ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].lo);
655 case VIDMODE_MON_HSYNC_HI:
656 ret.f = (100.0 * ((MonPtr)monitor)->hsync[indx].hi);
658 case VIDMODE_MON_VREFRESH_LO:
659 ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].lo);
661 case VIDMODE_MON_VREFRESH_HI:
662 ret.f = (100.0 * ((MonPtr)monitor)->vrefresh[indx].hi);
669 #endif /* XF86VIDMODE */