/* * Copyright 2006 Luc Verhaegen. * * 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, sub license, * 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 (including the * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. */ #ifdef HAVE_XORG_CONFIG_H #include <xorg-config.h> #endif #include "xf86.h" #include "xf86DDC.h" #include <X11/Xatom.h> #include "property.h" #include "propertyst.h" #include <string.h> #define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA" static void edidMakeAtom(int i, const char *name, CARD8 *data, int size) { Atom atom; unsigned char *atom_data; if (!(atom_data = malloc(size * sizeof(CARD8)))) return; atom = MakeAtom(name, strlen(name), TRUE); memcpy(atom_data, data, size); xf86RegisterRootWindowProperty(i, atom, XA_INTEGER, 8, size, atom_data); } static void addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC) { int scrnIndex = pScrn->scrnIndex; if (DDC->flags & MONITOR_DISPLAYID) { /* Don't bother, use RANDR already */ return; } else if (DDC->ver.version == 1) { int size = 128 + (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0); edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size); } else { xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n", DDC->ver.version, DDC->ver.revision); return; } } Bool xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC) { if (!pScrn || !pScrn->monitor || !DDC) return FALSE; if (DDC->flags & MONITOR_DISPLAYID); else xf86EdidMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC); addRootWindowProperties(pScrn, DDC); return TRUE; }