464 lines
12 KiB
C
464 lines
12 KiB
C
/*
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* Copyright (c) 1999-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/*
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* This file contains the VidMode functions required by the extension.
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* These have been added to avoid the need for the higher level extension
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* code to access the private XFree86 data structures directly. Wherever
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* possible this code uses the functions in xf86Mode.c to do the work,
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* so that two version of code that do similar things don't have to be
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* maintained.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "os.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "extinit.h"
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#ifdef XF86VIDMODE
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#include "vidmodestr.h"
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#include "xf86Privstr.h"
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#include "xf86Extensions.h"
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#include "xf86cmap.h"
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static vidMonitorValue
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xf86VidModeGetMonitorValue(ScreenPtr pScreen, int valtyp, int indx)
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{
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vidMonitorValue ret = { NULL, };
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MonPtr monitor;
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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monitor = pScrn->monitor;
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switch (valtyp) {
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case VIDMODE_MON_VENDOR:
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ret.ptr = monitor->vendor;
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break;
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case VIDMODE_MON_MODEL:
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ret.ptr = monitor->model;
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break;
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case VIDMODE_MON_NHSYNC:
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ret.i = monitor->nHsync;
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break;
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case VIDMODE_MON_NVREFRESH:
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ret.i = monitor->nVrefresh;
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break;
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case VIDMODE_MON_HSYNC_LO:
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ret.f = (100.0 * monitor->hsync[indx].lo);
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break;
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case VIDMODE_MON_HSYNC_HI:
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ret.f = (100.0 * monitor->hsync[indx].hi);
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break;
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case VIDMODE_MON_VREFRESH_LO:
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ret.f = (100.0 * monitor->vrefresh[indx].lo);
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break;
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case VIDMODE_MON_VREFRESH_HI:
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ret.f = (100.0 * monitor->vrefresh[indx].hi);
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break;
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}
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return ret;
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}
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static Bool
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xf86VidModeGetCurrentModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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if (pScrn->currentMode) {
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*mode = pScrn->currentMode;
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*dotClock = pScrn->currentMode->Clock;
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return TRUE;
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}
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return FALSE;
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}
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static int
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xf86VidModeGetDotClock(ScreenPtr pScreen, int Clock)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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if ((pScrn->progClock) || (Clock >= MAXCLOCKS))
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return Clock;
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else
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return pScrn->clock[Clock];
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}
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static int
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xf86VidModeGetNumOfClocks(ScreenPtr pScreen, Bool *progClock)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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if (pScrn->progClock) {
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*progClock = TRUE;
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return 0;
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}
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else {
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*progClock = FALSE;
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return pScrn->numClocks;
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}
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}
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static Bool
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xf86VidModeGetClocks(ScreenPtr pScreen, int *Clocks)
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{
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ScrnInfoPtr pScrn;
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int i;
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pScrn = xf86ScreenToScrn(pScreen);
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if (pScrn->progClock)
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return FALSE;
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for (i = 0; i < pScrn->numClocks; i++)
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*Clocks++ = pScrn->clock[i];
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return TRUE;
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}
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static Bool
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xf86VidModeGetNextModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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VidModePtr pVidMode;
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DisplayModePtr p;
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pVidMode = VidModeGetPtr(pScreen);
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for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) {
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if (p->status == MODE_OK) {
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pVidMode->Next = p->next;
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*mode = p;
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*dotClock = xf86VidModeGetDotClock(pScreen, p->Clock);
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return TRUE;
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}
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}
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return FALSE;
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}
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static Bool
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xf86VidModeGetFirstModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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ScrnInfoPtr pScrn;
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VidModePtr pVidMode;
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pScrn = xf86ScreenToScrn(pScreen);
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if (pScrn->modes == NULL)
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return FALSE;
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pVidMode = VidModeGetPtr(pScreen);
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pVidMode->First = pScrn->modes;
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pVidMode->Next = pVidMode->First->next;
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if (pVidMode->First->status == MODE_OK) {
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*mode = pVidMode->First;
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*dotClock = xf86VidModeGetDotClock(pScreen, pVidMode->First->Clock);
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return TRUE;
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}
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return xf86VidModeGetNextModeline(pScreen, mode, dotClock);
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}
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static Bool
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xf86VidModeDeleteModeline(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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if (mode == NULL)
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return FALSE;
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pScrn = xf86ScreenToScrn(pScreen);
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xf86DeleteMode(&(pScrn->modes), mode);
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return TRUE;
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}
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static Bool
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xf86VidModeZoomViewport(ScreenPtr pScreen, int zoom)
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{
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xf86ZoomViewport(pScreen, zoom);
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return TRUE;
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}
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static Bool
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xf86VidModeSetViewPort(ScreenPtr pScreen, int x, int y)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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pScrn->frameX0 = min(max(x, 0),
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pScrn->virtualX - pScrn->currentMode->HDisplay);
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pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1;
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pScrn->frameY0 = min(max(y, 0),
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pScrn->virtualY - pScrn->currentMode->VDisplay);
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pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1;
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if (pScrn->AdjustFrame != NULL)
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(pScrn->AdjustFrame) (pScrn, pScrn->frameX0, pScrn->frameY0);
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return TRUE;
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}
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static Bool
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xf86VidModeGetViewPort(ScreenPtr pScreen, int *x, int *y)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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*x = pScrn->frameX0;
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*y = pScrn->frameY0;
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return TRUE;
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}
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static Bool
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xf86VidModeSwitchMode(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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DisplayModePtr pTmpMode;
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Bool retval;
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pScrn = xf86ScreenToScrn(pScreen);
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/* save in case we fail */
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pTmpMode = pScrn->currentMode;
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/* Force a mode switch */
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pScrn->currentMode = NULL;
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retval = xf86SwitchMode(pScrn->pScreen, mode);
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/* we failed: restore it */
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if (retval == FALSE)
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pScrn->currentMode = pTmpMode;
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return retval;
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}
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static Bool
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xf86VidModeLockZoom(ScreenPtr pScreen, Bool lock)
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{
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if (xf86Info.dontZoom)
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return FALSE;
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xf86LockZoom(pScreen, lock);
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return TRUE;
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}
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static ModeStatus
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xf86VidModeCheckModeForMonitor(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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if (mode == NULL)
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return MODE_ERROR;
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pScrn = xf86ScreenToScrn(pScreen);
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return xf86CheckModeForMonitor(mode, pScrn->monitor);
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}
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static ModeStatus
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xf86VidModeCheckModeForDriver(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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if (mode == NULL)
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return MODE_ERROR;
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pScrn = xf86ScreenToScrn(pScreen);
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return xf86CheckModeForDriver(pScrn, mode, 0);
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}
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static void
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xf86VidModeSetCrtcForMode(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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DisplayModePtr ScreenModes;
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if (mode == NULL)
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return;
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/* Ugly hack so that the xf86Mode.c function can be used without change */
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pScrn = xf86ScreenToScrn(pScreen);
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ScreenModes = pScrn->modes;
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pScrn->modes = mode;
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xf86SetCrtcForModes(pScrn, pScrn->adjustFlags);
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pScrn->modes = ScreenModes;
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return;
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}
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static Bool
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xf86VidModeAddModeline(ScreenPtr pScreen, DisplayModePtr mode)
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{
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ScrnInfoPtr pScrn;
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if (mode == NULL)
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return FALSE;
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pScrn = xf86ScreenToScrn(pScreen);
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mode->name = strdup(""); /* freed by deletemode */
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mode->status = MODE_OK;
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mode->next = pScrn->modes->next;
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mode->prev = pScrn->modes;
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pScrn->modes->next = mode;
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if (mode->next != NULL)
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mode->next->prev = mode;
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return TRUE;
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}
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static int
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xf86VidModeGetNumOfModes(ScreenPtr pScreen)
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{
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DisplayModePtr mode = NULL;
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int dotClock = 0, nummodes = 0;
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if (!xf86VidModeGetFirstModeline(pScreen, &mode, &dotClock))
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return nummodes;
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do {
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nummodes++;
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if (!xf86VidModeGetNextModeline(pScreen, &mode, &dotClock))
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return nummodes;
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} while (TRUE);
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}
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static Bool
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xf86VidModeSetGamma(ScreenPtr pScreen, float red, float green, float blue)
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{
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Gamma gamma;
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gamma.red = red;
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gamma.green = green;
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gamma.blue = blue;
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if (xf86ChangeGamma(pScreen, gamma) != Success)
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return FALSE;
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else
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return TRUE;
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}
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static Bool
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xf86VidModeGetGamma(ScreenPtr pScreen, float *red, float *green, float *blue)
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{
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ScrnInfoPtr pScrn;
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pScrn = xf86ScreenToScrn(pScreen);
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*red = pScrn->gamma.red;
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*green = pScrn->gamma.green;
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*blue = pScrn->gamma.blue;
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return TRUE;
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}
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static Bool
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xf86VidModeSetGammaRamp(ScreenPtr pScreen, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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{
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xf86ChangeGammaRamp(pScreen, size, r, g, b);
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return TRUE;
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}
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static Bool
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xf86VidModeGetGammaRamp(ScreenPtr pScreen, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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{
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xf86GetGammaRamp(pScreen, size, r, g, b);
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return TRUE;
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}
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static Bool
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xf86VidModeInit(ScreenPtr pScreen)
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{
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VidModePtr pVidMode;
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if (!xf86GetVidModeEnabled()) {
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DebugF("!xf86GetVidModeEnabled()\n");
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return FALSE;
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}
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pVidMode = VidModeInit(pScreen);
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if (!pVidMode)
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return FALSE;
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pVidMode->Flags = 0;
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pVidMode->Next = NULL;
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pVidMode->GetMonitorValue = xf86VidModeGetMonitorValue;
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pVidMode->GetCurrentModeline = xf86VidModeGetCurrentModeline;
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pVidMode->GetFirstModeline = xf86VidModeGetFirstModeline;
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pVidMode->GetNextModeline = xf86VidModeGetNextModeline;
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pVidMode->DeleteModeline = xf86VidModeDeleteModeline;
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pVidMode->ZoomViewport = xf86VidModeZoomViewport;
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pVidMode->GetViewPort = xf86VidModeGetViewPort;
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pVidMode->SetViewPort = xf86VidModeSetViewPort;
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pVidMode->SwitchMode = xf86VidModeSwitchMode;
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pVidMode->LockZoom = xf86VidModeLockZoom;
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pVidMode->GetNumOfClocks = xf86VidModeGetNumOfClocks;
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pVidMode->GetClocks = xf86VidModeGetClocks;
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pVidMode->CheckModeForMonitor = xf86VidModeCheckModeForMonitor;
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pVidMode->CheckModeForDriver = xf86VidModeCheckModeForDriver;
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pVidMode->SetCrtcForMode = xf86VidModeSetCrtcForMode;
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pVidMode->AddModeline = xf86VidModeAddModeline;
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pVidMode->GetDotClock = xf86VidModeGetDotClock;
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pVidMode->GetNumOfModes = xf86VidModeGetNumOfModes;
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pVidMode->SetGamma = xf86VidModeSetGamma;
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pVidMode->GetGamma = xf86VidModeGetGamma;
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pVidMode->SetGammaRamp = xf86VidModeSetGammaRamp;
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pVidMode->GetGammaRamp = xf86VidModeGetGammaRamp;
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pVidMode->GetGammaRampSize = xf86GetGammaRampSize; /* use xf86cmap API directly */
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return TRUE;
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}
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void
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XFree86VidModeExtensionInit(void)
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{
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int i;
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Bool enabled = FALSE;
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DebugF("XFree86VidModeExtensionInit");
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/* This means that the DDX doesn't want the vidmode extension enabled */
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if (!xf86GetVidModeEnabled())
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return;
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for (i = 0; i < screenInfo.numScreens; i++) {
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if (xf86VidModeInit (screenInfo.screens[i]))
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enabled = TRUE;
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}
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/* This means that the DDX doesn't want the vidmode extension enabled */
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if (!enabled)
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return;
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VidModeAddExtension(xf86GetVidModeAllowNonLocal());
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}
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#endif /* XF86VIDMODE */
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