84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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* Copyright 2006 Luc Verhaegen.
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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, sub license,
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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 (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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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 "xf86.h"
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#include "xf86DDC.h"
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#include "xf86Priv.h"
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#include <X11/Xatom.h>
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#include "property.h"
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#include "propertyst.h"
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#include <string.h>
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#define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA"
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static int
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edidSize(const xf86MonPtr DDC)
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{
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int ret = 128;
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if (DDC->flags & EDID_COMPLETE_RAWDATA)
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ret += DDC->no_sections * 128;
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return ret;
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}
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static void
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setRootWindowEDID(ScreenPtr pScreen, xf86MonPtr DDC)
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{
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Atom atom = MakeAtom(EDID1_ATOM_NAME, strlen(EDID1_ATOM_NAME), TRUE);
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dixChangeWindowProperty(serverClient, pScreen->root, atom, XA_INTEGER,
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8, PropModeReplace, edidSize(DDC), DDC->rawData,
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FALSE);
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}
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static void
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addEDIDProp(CallbackListPtr *pcbl, void *scrn, void *screen)
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{
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ScreenPtr pScreen = screen;
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ScrnInfoPtr pScrn = scrn;
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if (xf86ScreenToScrn(pScreen) == pScrn)
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setRootWindowEDID(pScreen, pScrn->monitor->DDC);
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}
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Bool
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xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
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{
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if (!pScrn || !pScrn->monitor || !DDC)
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return FALSE;
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xf86EdidMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC);
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if (xf86Initialising)
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AddCallback(&RootWindowFinalizeCallback, addEDIDProp, pScrn);
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else
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setRootWindowEDID(pScrn->pScreen, DDC);
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return TRUE;
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}
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