515 lines
16 KiB
C
515 lines
16 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 <X11/Xatom.h>
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#include "property.h"
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#include "propertyst.h"
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#include "xf86DDC.h"
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/*
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* xf86Mode.c should have a some more DisplayModePtr list handling.
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*/
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static DisplayModePtr
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xf86ModesAdd(DisplayModePtr Modes, DisplayModePtr Additions)
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{
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if (!Modes) {
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if (Additions)
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return Additions;
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else
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return NULL;
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}
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if (Additions) {
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DisplayModePtr Mode = Modes;
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while (Mode->next)
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Mode = Mode->next;
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Mode->next = Additions;
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Additions->prev = Mode;
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}
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return Modes;
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}
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static DisplayModePtr
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xf86ModeCopy(DisplayModePtr Mode)
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{
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DisplayModePtr New;
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if (!Mode)
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return NULL;
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New = xnfalloc(sizeof(DisplayModeRec));
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memcpy(New, Mode, sizeof(DisplayModeRec));
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New->name = xnfalloc(strlen(Mode->name) + 1);
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memcpy(New->name, Mode->name, strlen(Mode->name) + 1);
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/* We ignore privates as DDC code doesn't use it currently */
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return New;
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}
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/*
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* Temporary.
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*/
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static void
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add(char **p, char *new)
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{
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*p = xnfrealloc(*p, strlen(*p) + strlen(new) + 2);
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strcat(*p, " ");
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strcat(*p, new);
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}
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static void
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PrintModeline(int scrnIndex,DisplayModePtr mode)
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{
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char tmp[256];
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char *flags = xnfcalloc(1, 1);
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if (mode->HSkew) {
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snprintf(tmp, 256, "hskew %i", mode->HSkew);
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add(&flags, tmp);
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}
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if (mode->VScan) {
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snprintf(tmp, 256, "vscan %i", mode->VScan);
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add(&flags, tmp);
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}
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if (mode->Flags & V_INTERLACE) add(&flags, "interlace");
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if (mode->Flags & V_CSYNC) add(&flags, "composite");
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if (mode->Flags & V_DBLSCAN) add(&flags, "doublescan");
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if (mode->Flags & V_BCAST) add(&flags, "bcast");
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if (mode->Flags & V_PHSYNC) add(&flags, "+hsync");
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if (mode->Flags & V_NHSYNC) add(&flags, "-hsync");
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if (mode->Flags & V_PVSYNC) add(&flags, "+vsync");
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if (mode->Flags & V_NVSYNC) add(&flags, "-vsync");
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if (mode->Flags & V_PCSYNC) add(&flags, "+csync");
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if (mode->Flags & V_NCSYNC) add(&flags, "-csync");
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#if 0
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if (mode->Flags & V_CLKDIV2) add(&flags, "vclk/2");
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#endif
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xf86DrvMsgVerb(scrnIndex, X_INFO, 3,
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"Modeline \"%s\" %6.2f %i %i %i %i %i %i %i %i%s\n",
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mode->name, mode->Clock/1000., mode->HDisplay,
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mode->HSyncStart, mode->HSyncEnd, mode->HTotal,
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mode->VDisplay, mode->VSyncStart, mode->VSyncEnd,
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mode->VTotal, flags);
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xfree(flags);
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}
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/*
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* TODO:
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* - for those with access to the VESA DMT standard; review please.
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*/
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#define MODEPREFIX(name) NULL, NULL, name, 0,M_T_DRIVER
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#define MODESUFFIX 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,FALSE,FALSE,0,NULL,0,0.0,0.0
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DisplayModeRec DDCEstablishedModes[17] = {
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{ MODEPREFIX("800x600"), 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */
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{ MODEPREFIX("800x600"), 36000, 800, 824, 896, 1024, 0, 600, 601, 603, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */
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{ MODEPREFIX("640x480"), 31500, 640, 656, 720, 840, 0, 480, 481, 484, 500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */
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{ MODEPREFIX("640x480"), 31500, 640, 664, 704, 832, 0, 480, 489, 491, 520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */
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{ MODEPREFIX("640x480"), 30240, 640, 704, 768, 864, 0, 480, 483, 486, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */
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{ MODEPREFIX("640x480"), 25200, 640, 656, 752, 800, 0, 480, 490, 492, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */
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{ MODEPREFIX("720x400"), 35500, 720, 738, 846, 900, 0, 400, 421, 423, 449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */
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{ MODEPREFIX("720x400"), 28320, 720, 738, 846, 900, 0, 400, 412, 414, 449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */
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{ MODEPREFIX("1280x1024"), 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */
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{ MODEPREFIX("1024x768"), 78800, 1024, 1040, 1136, 1312, 0, 768, 769, 772, 800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */
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{ MODEPREFIX("1024x768"), 75000, 1024, 1048, 1184, 1328, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */
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{ MODEPREFIX("1024x768"), 65000, 1024, 1048, 1184, 1344, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */
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{ MODEPREFIX("1024x768"), 44900, 1024, 1032, 1208, 1264, 0, 768, 768, 776, 817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */
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{ MODEPREFIX("832x624"), 57284, 832, 864, 928, 1152, 0, 624, 625, 628, 667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */
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{ MODEPREFIX("800x600"), 49500, 800, 816, 896, 1056, 0, 600, 601, 604, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */
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{ MODEPREFIX("800x600"), 50000, 800, 856, 976, 1040, 0, 600, 637, 643, 666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */
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{ MODEPREFIX("1152x864"), 108000, 1152, 1216, 1344, 1600, 0, 864, 865, 868, 900, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1152x864@75Hz */
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};
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static DisplayModePtr
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DDCModesFromEstablished(int scrnIndex, struct established_timings *timing)
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{
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DisplayModePtr Modes = NULL, Mode = NULL;
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CARD32 bits = (timing->t1) | (timing->t2 << 8) |
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((timing->t_manu & 0x80) << 9);
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int i;
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for (i = 0; i < 17; i++)
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if (bits & (0x01 << i)) {
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Mode = xf86ModeCopy(&(DDCEstablishedModes[i]));
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Modes = xf86ModesAdd(Modes, Mode);
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}
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return Modes;
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}
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/*
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*
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*/
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static DisplayModePtr
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DDCModesFromStandardTiming(int scrnIndex, struct std_timings *timing)
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{
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DisplayModePtr Modes = NULL, Mode = NULL;
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int i;
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for (i = 0; i < STD_TIMINGS; i++)
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if (timing[i].hsize && timing[i].vsize && timing[i].refresh) {
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Mode = xf86CVTMode(timing[i].hsize, timing[i].vsize,
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timing[i].refresh, FALSE, FALSE);
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Mode->type = M_T_DRIVER;
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Modes = xf86ModesAdd(Modes, Mode);
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}
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return Modes;
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}
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/*
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*
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*/
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static DisplayModePtr
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DDCModeFromDetailedTiming(int scrnIndex, struct detailed_timings *timing,
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int preferred)
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{
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DisplayModePtr Mode;
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/* We don't do stereo */
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if (timing->stereo) {
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xf86DrvMsg(scrnIndex, X_INFO, "%s: Ignoring: We don't handle stereo.\n",
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__func__);
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return NULL;
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}
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/* We only do seperate sync currently */
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if (timing->sync != 0x03) {
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xf86DrvMsg(scrnIndex, X_INFO, "%s: %dx%d Warning: We only handle seperate"
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" sync.\n", __func__, timing->h_active, timing->v_active);
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}
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Mode = xnfalloc(sizeof(DisplayModeRec));
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memset(Mode, 0, sizeof(DisplayModeRec));
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Mode->name = xnfalloc(10); /* "1234x1234" */
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xf86snprintf(Mode->name, 20, "%dx%d", timing->h_active,
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timing->v_active);
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Mode->type = M_T_DRIVER;
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if (preferred)
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Mode->type |= M_T_PREFERRED;
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Mode->Clock = timing->clock / 1000.0;
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Mode->HDisplay = timing->h_active;
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Mode->HSyncStart = timing->h_active + timing->h_sync_off;
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Mode->HSyncEnd = Mode->HSyncStart + timing->h_sync_width;
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Mode->HTotal = timing->h_active + timing->h_blanking;
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Mode->VDisplay = timing->v_active;
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Mode->VSyncStart = timing->v_active + timing->v_sync_off;
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Mode->VSyncEnd = Mode->VSyncStart + timing->v_sync_width;
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Mode->VTotal = timing->v_active + timing->v_blanking;
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/* We ignore h/v_size and h/v_border for now. */
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if (timing->interlaced)
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Mode->Flags |= V_INTERLACE;
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if (timing->misc & 0x02)
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Mode->Flags |= V_PHSYNC;
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else
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Mode->Flags |= V_NHSYNC;
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if (timing->misc & 0x01)
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Mode->Flags |= V_PVSYNC;
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else
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Mode->Flags |= V_NVSYNC;
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return Mode;
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}
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/*
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*
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*/
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static void
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DDCGuessRangesFromModes(int scrnIndex, MonPtr Monitor, DisplayModePtr Modes)
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{
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DisplayModePtr Mode = Modes;
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if (!Monitor || !Modes)
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return;
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/* set up the ranges for scanning through the modes */
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Monitor->nHsync = 1;
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Monitor->hsync[0].lo = 1024.0;
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Monitor->hsync[0].hi = 0.0;
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Monitor->nVrefresh = 1;
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Monitor->vrefresh[0].lo = 1024.0;
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Monitor->vrefresh[0].hi = 0.0;
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while (Mode) {
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if (!Mode->HSync)
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Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal);
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if (!Mode->VRefresh)
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Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) /
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((float) (Mode->HTotal * Mode->VTotal));
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if (Mode->HSync < Monitor->hsync[0].lo)
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Monitor->hsync[0].lo = Mode->HSync;
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if (Mode->HSync > Monitor->hsync[0].hi)
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Monitor->hsync[0].hi = Mode->HSync;
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if (Mode->VRefresh < Monitor->vrefresh[0].lo)
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Monitor->vrefresh[0].lo = Mode->VRefresh;
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if (Mode->VRefresh > Monitor->vrefresh[0].hi)
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Monitor->vrefresh[0].hi = Mode->VRefresh;
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Mode = Mode->next;
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}
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}
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/*
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* Fill out MonPtr with xf86MonPtr information.
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*/
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void
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xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC)
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{
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DisplayModePtr Modes = NULL, Mode;
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int i, clock;
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Bool have_hsync = FALSE, have_vrefresh = FALSE;
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int preferred;
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if (!Monitor || !DDC)
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return;
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Monitor->DDC = DDC;
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preferred = PREFERRED_TIMING_MODE(DDC->features.msc);
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Monitor->widthmm = 10 * DDC->features.hsize;
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Monitor->heightmm = 10 * DDC->features.vsize;
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/* If this is a digital display, then we can use reduced blanking */
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if (DDC->features.input_type)
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Monitor->reducedblanking = TRUE;
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/* Allow the user to also enable this through config */
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/* Add established timings */
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Mode = DDCModesFromEstablished(scrnIndex, &DDC->timings1);
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Modes = xf86ModesAdd(Modes, Mode);
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/* Add standard timings */
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Mode = DDCModesFromStandardTiming(scrnIndex, DDC->timings2);
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Modes = xf86ModesAdd(Modes, Mode);
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/* Skip EDID ranges if they were specified in the config file */
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have_hsync = (Monitor->nHsync != 0);
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have_vrefresh = (Monitor->nVrefresh != 0);
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/* Go through the detailed monitor sections */
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for (i = 0; i < DET_TIMINGS; i++)
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switch (DDC->det_mon[i].type) {
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case DS_RANGES:
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if (!have_hsync) {
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if (!Monitor->nHsync)
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xf86DrvMsg(scrnIndex, X_INFO,
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"Using EDID range info for horizontal sync\n");
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Monitor->hsync[Monitor->nHsync].lo =
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DDC->det_mon[i].section.ranges.min_h;
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Monitor->hsync[Monitor->nHsync].hi =
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DDC->det_mon[i].section.ranges.max_h;
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Monitor->nHsync++;
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} else {
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xf86DrvMsg(scrnIndex, X_INFO,
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"Using hsync ranges from config file\n");
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}
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if (!have_vrefresh) {
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if (!Monitor->nVrefresh)
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xf86DrvMsg(scrnIndex, X_INFO,
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"Using EDID range info for vertical refresh\n");
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Monitor->vrefresh[Monitor->nVrefresh].lo =
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DDC->det_mon[i].section.ranges.min_v;
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Monitor->vrefresh[Monitor->nVrefresh].hi =
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DDC->det_mon[i].section.ranges.max_v;
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Monitor->nVrefresh++;
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} else {
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xf86DrvMsg(scrnIndex, X_INFO,
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"Using vrefresh ranges from config file\n");
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}
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clock = DDC->det_mon[i].section.ranges.max_clock * 1000;
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if (clock > Monitor->maxPixClock)
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Monitor->maxPixClock = clock;
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break;
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case DT:
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Mode = DDCModeFromDetailedTiming(scrnIndex,
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&DDC->det_mon[i].section.d_timings,
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preferred);
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preferred = 0;
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Modes = xf86ModesAdd(Modes, Mode);
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break;
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case DS_STD_TIMINGS:
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Mode = DDCModesFromStandardTiming(scrnIndex,
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DDC->det_mon[i].section.std_t);
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Modes = xf86ModesAdd(Modes, Mode);
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break;
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default:
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break;
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}
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if (Modes) {
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/* Print Modes */
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xf86DrvMsg(scrnIndex, X_INFO, "Printing DDC gathered Modelines:\n");
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Mode = Modes;
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while (Mode) {
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PrintModeline(scrnIndex, Mode);
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Mode = Mode->next;
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}
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/* Do we still need ranges to be filled in? */
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if (!Monitor->nHsync || !Monitor->nVrefresh)
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DDCGuessRangesFromModes(scrnIndex, Monitor, Modes);
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/* look for last Mode */
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Mode = Modes;
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while (Mode->next)
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Mode = Mode->next;
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/* add to MonPtr */
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if (Monitor->Modes) {
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Monitor->Last->next = Modes;
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Modes->prev = Monitor->Last;
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Monitor->Last = Mode;
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} else {
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Monitor->Modes = Modes;
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Monitor->Last = Mode;
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}
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}
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}
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#define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA"
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#define EDID2_ATOM_NAME "XFree86_DDC_EDID2_RAWDATA"
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#define VDIF_ATOM_NAME "XFree86_DDC_VDIF_RAWDATA"
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static void
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addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
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{
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Atom EDID1Atom=-1, EDID2Atom=-1;
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CARD8 *EDID1rawdata = NULL;
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CARD8 *EDID2rawdata = NULL;
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int i, scrnIndex = pScrn->scrnIndex;
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Bool makeEDID1prop = FALSE;
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Bool makeEDID2prop = FALSE;
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if (DDC->ver.version == 1) {
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makeEDID1prop = TRUE;
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} else if (DDC->ver.version == 2) {
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int checksum1;
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int checksum2;
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makeEDID2prop = TRUE;
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/* Some monitors (eg Panasonic PanaSync4)
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* report version==2 because they used EDID v2 spec document,
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* although they use EDID v1 data structure :-(
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*
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* Try using checksum to determine when we have such a monitor.
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*/
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checksum2 = 0;
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for (i = 0; i < 256; i++)
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checksum2 += DDC->rawData[i];
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if (checksum2 % 256) {
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xf86DrvMsg(scrnIndex, X_INFO, "Monitor EDID v2 checksum failed\n");
|
|
xf86DrvMsg(scrnIndex, X_INFO,
|
|
"XFree86_DDC_EDID2_RAWDATA property may be bad\n");
|
|
checksum1 = 0;
|
|
for (i = 0; i < 128; i++)
|
|
checksum1 += DDC->rawData[i];
|
|
if (!(checksum1 % 256)) {
|
|
xf86DrvMsg(scrnIndex, X_INFO,
|
|
"Monitor EDID v1 checksum passed,\n");
|
|
xf86DrvMsg(scrnIndex, X_INFO,
|
|
"XFree86_DDC_EDID1_RAWDATA property created\n");
|
|
makeEDID1prop = TRUE;
|
|
}
|
|
}
|
|
} else {
|
|
xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n",
|
|
DDC->ver.version, DDC->ver.revision);
|
|
return;
|
|
}
|
|
|
|
if (makeEDID1prop) {
|
|
if ((EDID1rawdata = xalloc(128*sizeof(CARD8)))==NULL)
|
|
return;
|
|
|
|
EDID1Atom = MakeAtom(EDID1_ATOM_NAME, sizeof(EDID1_ATOM_NAME), TRUE);
|
|
memcpy(EDID1rawdata, DDC->rawData, 128);
|
|
xf86RegisterRootWindowProperty(scrnIndex, EDID1Atom, XA_INTEGER, 8,
|
|
128, (unsigned char *)EDID1rawdata);
|
|
}
|
|
|
|
if (makeEDID2prop) {
|
|
if ((EDID2rawdata = xalloc(256*sizeof(CARD8)))==NULL)
|
|
return;
|
|
|
|
memcpy(EDID2rawdata, DDC->rawData, 256);
|
|
EDID2Atom = MakeAtom(EDID2_ATOM_NAME, sizeof(EDID2_ATOM_NAME), TRUE);
|
|
xf86RegisterRootWindowProperty(scrnIndex, EDID2Atom, XA_INTEGER, 8,
|
|
256, (unsigned char *)EDID2rawdata);
|
|
}
|
|
|
|
#if 0
|
|
if (DDC->vdif) {
|
|
#define VDIF_DUMMY_STRING "setting dummy VDIF property - please insert correct values\n"
|
|
|
|
VDIFAtom = MakeAtom(VDIF_ATOM_NAME, sizeof(VDIF_ATOM_NAME), TRUE);
|
|
xf86RegisterRootWindowProperty(scrnIndex, VDIFAtom, XA_STRING, 8,
|
|
strlen(VDIF_DUMMY_STRING), VDIF_DUMMY_STRING);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
Bool
|
|
xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
|
|
{
|
|
if (!pScrn || !pScrn->monitor || !DDC)
|
|
return FALSE;
|
|
|
|
xf86DDCMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC);
|
|
|
|
addRootWindowProperties(pScrn, DDC);
|
|
|
|
return TRUE;
|
|
}
|