From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/hw/xfree86/modes/xf86EdidModes.c | 765 +++++++++++++++++++++++++++ 1 file changed, 765 insertions(+) create mode 100644 xorg-server/hw/xfree86/modes/xf86EdidModes.c (limited to 'xorg-server/hw/xfree86/modes/xf86EdidModes.c') diff --git a/xorg-server/hw/xfree86/modes/xf86EdidModes.c b/xorg-server/hw/xfree86/modes/xf86EdidModes.c new file mode 100644 index 000000000..bf0ea3f64 --- /dev/null +++ b/xorg-server/hw/xfree86/modes/xf86EdidModes.c @@ -0,0 +1,765 @@ +/* + * 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. + */ + +/** + * @file This file covers code to convert a xf86MonPtr containing EDID-probed + * information into a list of modes, including applying monitor-specific + * quirks to fix broken EDID data. + */ +#ifdef HAVE_XORG_CONFIG_H +#include +#else +#ifdef HAVE_CONFIG_H +#include +#endif +#endif + +#include "xf86.h" +#include "xf86DDC.h" +#include +#include "property.h" +#include "propertyst.h" +#include "xf86DDC.h" +#include "xf86Crtc.h" +#include +#include + +/* + * Quirks to work around broken EDID data from various monitors. + */ + +typedef enum { + DDC_QUIRK_NONE = 0, + /* First detailed mode is bogus, prefer largest mode at 60hz */ + DDC_QUIRK_PREFER_LARGE_60 = 1 << 0, + /* 135MHz clock is too high, drop a bit */ + DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1, + /* Prefer the largest mode at 75 Hz */ + DDC_QUIRK_PREFER_LARGE_75 = 1 << 2, + /* Convert detailed timing's horizontal from units of cm to mm */ + DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3, + /* Convert detailed timing's vertical from units of cm to mm */ + DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4, + /* Detailed timing descriptors have bogus size values, so just take the + * maximum size and use that. + */ + DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5, + /* Monitor forgot to set the first detailed is preferred bit. */ + DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6, + /* use +hsync +vsync for detailed mode */ + DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7, +} ddc_quirk_t; + +static Bool quirk_prefer_large_60 (int scrnIndex, xf86MonPtr DDC) +{ + /* Belinea 10 15 55 */ + if (memcmp (DDC->vendor.name, "MAX", 4) == 0 && + ((DDC->vendor.prod_id == 1516) || + (DDC->vendor.prod_id == 0x77e))) + return TRUE; + + /* Acer AL1706 */ + if (memcmp (DDC->vendor.name, "ACR", 4) == 0 && + DDC->vendor.prod_id == 44358) + return TRUE; + + /* Bug #10814: Samsung SyncMaster 225BW */ + if (memcmp (DDC->vendor.name, "SAM", 4) == 0 && + DDC->vendor.prod_id == 596) + return TRUE; + + /* Bug #10545: Samsung SyncMaster 226BW */ + if (memcmp (DDC->vendor.name, "SAM", 4) == 0 && + DDC->vendor.prod_id == 638) + return TRUE; + + /* Acer F51 */ + if (memcmp (DDC->vendor.name, "API", 4) == 0 && + DDC->vendor.prod_id == 0x7602) + return TRUE; + + + return FALSE; +} + +static Bool quirk_prefer_large_75 (int scrnIndex, xf86MonPtr DDC) +{ + /* Bug #11603: Funai Electronics PM36B */ + if (memcmp (DDC->vendor.name, "FCM", 4) == 0 && + DDC->vendor.prod_id == 13600) + return TRUE; + + return FALSE; +} + +static Bool quirk_detailed_h_in_cm (int scrnIndex, xf86MonPtr DDC) +{ + /* Bug #11603: Funai Electronics PM36B */ + if (memcmp (DDC->vendor.name, "FCM", 4) == 0 && + DDC->vendor.prod_id == 13600) + return TRUE; + + return FALSE; +} + +static Bool quirk_detailed_v_in_cm (int scrnIndex, xf86MonPtr DDC) +{ + /* Bug #11603: Funai Electronics PM36B */ + if (memcmp (DDC->vendor.name, "FCM", 4) == 0 && + DDC->vendor.prod_id == 13600) + return TRUE; + + return FALSE; +} + +static Bool quirk_detailed_use_maximum_size (int scrnIndex, xf86MonPtr DDC) +{ + /* Bug #10304: LGPhilipsLCD LP154W01-A5 */ + if (memcmp (DDC->vendor.name, "LPL", 4) == 0 && + (DDC->vendor.prod_id == 0 || DDC->vendor.prod_id == 0x2a00)) + return TRUE; + + return FALSE; +} + +static Bool quirk_135_clock_too_high (int scrnIndex, xf86MonPtr DDC) +{ + /* Envision Peripherals, Inc. EN-7100e. See bug #9550. */ + if (memcmp (DDC->vendor.name, "EPI", 4) == 0 && + DDC->vendor.prod_id == 59264) + return TRUE; + + return FALSE; +} + +static Bool quirk_first_detailed_preferred (int scrnIndex, xf86MonPtr DDC) +{ + /* Philips 107p5 CRT. Reported on xorg@ with pastebin. */ + if (memcmp (DDC->vendor.name, "PHL", 4) == 0 && + DDC->vendor.prod_id == 57364) + return TRUE; + + /* Proview AY765C 17" LCD. See bug #15160*/ + if (memcmp (DDC->vendor.name, "PTS", 4) == 0 && + DDC->vendor.prod_id == 765) + return TRUE; + + /* ACR of some sort RH #284231 */ + if (memcmp (DDC->vendor.name, "ACR", 4) == 0 && + DDC->vendor.prod_id == 2423) + return TRUE; + + return FALSE; +} + +static Bool quirk_detailed_sync_pp(int scrnIndex, xf86MonPtr DDC) +{ + /* Bug #12439: Samsung SyncMaster 205BW */ + if (memcmp (DDC->vendor.name, "SAM", 4) == 0 && + DDC->vendor.prod_id == 541) + return TRUE; + return FALSE; +} + +typedef struct { + Bool (*detect) (int scrnIndex, xf86MonPtr DDC); + ddc_quirk_t quirk; + char *description; +} ddc_quirk_map_t; + +static const ddc_quirk_map_t ddc_quirks[] = { + { + quirk_prefer_large_60, DDC_QUIRK_PREFER_LARGE_60, + "Detailed timing is not preferred, use largest mode at 60Hz" + }, + { + quirk_135_clock_too_high, DDC_QUIRK_135_CLOCK_TOO_HIGH, + "Recommended 135MHz pixel clock is too high" + }, + { + quirk_prefer_large_75, DDC_QUIRK_PREFER_LARGE_75, + "Detailed timing is not preferred, use largest mode at 75Hz" + }, + { + quirk_detailed_h_in_cm, DDC_QUIRK_DETAILED_H_IN_CM, + "Detailed timings give horizontal size in cm." + }, + { + quirk_detailed_v_in_cm, DDC_QUIRK_DETAILED_V_IN_CM, + "Detailed timings give vertical size in cm." + }, + { + quirk_detailed_use_maximum_size, DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE, + "Detailed timings give sizes in cm." + }, + { + quirk_first_detailed_preferred, DDC_QUIRK_FIRST_DETAILED_PREFERRED, + "First detailed timing was not marked as preferred." + }, + { + quirk_detailed_sync_pp, DDC_QUIRK_DETAILED_SYNC_PP, + "Use +hsync +vsync for detailed timing." + }, + { + NULL, DDC_QUIRK_NONE, + "No known quirks" + }, +}; + +/* + * TODO: + * - for those with access to the VESA DMT standard; review please. + */ +#define MODEPREFIX NULL, NULL, NULL, 0, M_T_DRIVER +#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 + +static const DisplayModeRec DDCEstablishedModes[17] = { + { MODEPREFIX, 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */ + { MODEPREFIX, 36000, 800, 824, 896, 1024, 0, 600, 601, 603, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */ + { MODEPREFIX, 31500, 640, 656, 720, 840, 0, 480, 481, 484, 500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */ + { MODEPREFIX, 31500, 640, 664, 704, 832, 0, 480, 489, 491, 520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */ + { MODEPREFIX, 30240, 640, 704, 768, 864, 0, 480, 483, 486, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */ + { MODEPREFIX, 25200, 640, 656, 752, 800, 0, 480, 490, 492, 525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */ + { MODEPREFIX, 35500, 720, 738, 846, 900, 0, 400, 421, 423, 449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */ + { MODEPREFIX, 28320, 720, 738, 846, 900, 0, 400, 412, 414, 449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */ + { MODEPREFIX, 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */ + { MODEPREFIX, 78800, 1024, 1040, 1136, 1312, 0, 768, 769, 772, 800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */ + { MODEPREFIX, 75000, 1024, 1048, 1184, 1328, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */ + { MODEPREFIX, 65000, 1024, 1048, 1184, 1344, 0, 768, 771, 777, 806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */ + { MODEPREFIX, 44900, 1024, 1032, 1208, 1264, 0, 768, 768, 776, 817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */ + { MODEPREFIX, 57284, 832, 864, 928, 1152, 0, 624, 625, 628, 667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */ + { MODEPREFIX, 49500, 800, 816, 896, 1056, 0, 600, 601, 604, 625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */ + { MODEPREFIX, 50000, 800, 856, 976, 1040, 0, 600, 637, 643, 666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */ + { MODEPREFIX, 108000, 1152, 1216, 1344, 1600, 0, 864, 865, 868, 900, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1152x864@75Hz */ +}; + +static DisplayModePtr +DDCModesFromEstablished(int scrnIndex, struct established_timings *timing, + ddc_quirk_t quirks) +{ + DisplayModePtr Modes = NULL, Mode = NULL; + CARD32 bits = (timing->t1) | (timing->t2 << 8) | + ((timing->t_manu & 0x80) << 9); + int i; + + for (i = 0; i < 17; i++) { + if (bits & (0x01 << i)) { + Mode = xf86DuplicateMode(&DDCEstablishedModes[i]); + Modes = xf86ModesAdd(Modes, Mode); + } + } + + return Modes; +} + +#define LEVEL_DMT 0 +#define LEVEL_GTF 1 +#define LEVEL_CVT 2 + +static int +MonitorStandardTimingLevel(xf86MonPtr DDC) +{ + if (DDC->ver.revision >= 2) { + if (DDC->ver.revision >= 4 && CVT_SUPPORTED(DDC->features.msc)) { + return LEVEL_CVT; + } + return LEVEL_GTF; + } + return LEVEL_DMT; +} + +/* + * This is not really correct. Appendix B of the EDID 1.4 spec defines + * the right thing to do here. If the timing given here matches a mode + * defined in the VESA DMT standard, we _must_ use that. If the device + * supports CVT modes, then we should generate a CVT timing. If both + * of the above fail, use GTF. + * + * There are some wrinkles here. EDID 1.1 and 1.0 sinks can't really + * "support" GTF, since it wasn't a standard yet; so if they ask for a + * timing in this section that isn't defined in DMT, returning a GTF mode + * may not actually be valid. EDID 1.3 sinks often report support for + * some CVT modes, but they are not required to support CVT timings for + * modes in the standard timing descriptor, so we should _not_ treat them + * as CVT-compliant (unless specified in an extension block I suppose). + * + * EDID 1.4 requires that all sink devices support both GTF and CVT timings + * for modes in this section, but does say that CVT is preferred. + */ +static DisplayModePtr +DDCModesFromStandardTiming(struct std_timings *timing, ddc_quirk_t quirks, + int timing_level) +{ + DisplayModePtr Modes = NULL, Mode = NULL; + int i; + + for (i = 0; i < STD_TIMINGS; i++) { + if (timing[i].hsize && timing[i].vsize && timing[i].refresh) { + /* XXX check for DMT first, else... */ + if (timing_level == LEVEL_CVT) + Mode = xf86CVTMode(timing[i].hsize, timing[i].vsize, + timing[i].refresh, FALSE, FALSE); + else + Mode = xf86GTFMode(timing[i].hsize, timing[i].vsize, + timing[i].refresh, FALSE, FALSE); + + Mode->type = M_T_DRIVER; + Modes = xf86ModesAdd(Modes, Mode); + } + } + + return Modes; +} + +/* + * + */ +static DisplayModePtr +DDCModeFromDetailedTiming(int scrnIndex, struct detailed_timings *timing, + Bool preferred, ddc_quirk_t quirks) +{ + DisplayModePtr Mode; + + /* + * Refuse to create modes that are insufficiently large. 64 is a random + * number, maybe the spec says something about what the minimum is. In + * particular I see this frequently with _old_ EDID, 1.0 or so, so maybe + * our parser is just being too aggresive there. + */ + if (timing->h_active < 64 || timing->v_active < 64) { + xf86DrvMsg(scrnIndex, X_INFO, + "%s: Ignoring tiny %dx%d mode\n", __func__, + timing->h_active, timing->v_active); + return NULL; + } + + /* We don't do stereo */ + if (timing->stereo) { + xf86DrvMsg(scrnIndex, X_INFO, + "%s: Ignoring: We don't handle stereo.\n", __func__); + return NULL; + } + + /* We only do seperate sync currently */ + if (timing->sync != 0x03) { + xf86DrvMsg(scrnIndex, X_INFO, + "%s: %dx%d Warning: We only handle seperate" + " sync.\n", __func__, timing->h_active, timing->v_active); + } + + Mode = xnfcalloc(1, sizeof(DisplayModeRec)); + + Mode->type = M_T_DRIVER; + if (preferred) + Mode->type |= M_T_PREFERRED; + + if( ( quirks & DDC_QUIRK_135_CLOCK_TOO_HIGH ) && + timing->clock == 135000000 ) + Mode->Clock = 108880; + else + Mode->Clock = timing->clock / 1000.0; + + Mode->HDisplay = timing->h_active; + Mode->HSyncStart = timing->h_active + timing->h_sync_off; + Mode->HSyncEnd = Mode->HSyncStart + timing->h_sync_width; + Mode->HTotal = timing->h_active + timing->h_blanking; + + Mode->VDisplay = timing->v_active; + Mode->VSyncStart = timing->v_active + timing->v_sync_off; + Mode->VSyncEnd = Mode->VSyncStart + timing->v_sync_width; + Mode->VTotal = timing->v_active + timing->v_blanking; + + /* perform basic check on the detail timing */ + if (Mode->HSyncEnd > Mode->HTotal || Mode->VSyncEnd > Mode->VTotal) { + xfree(Mode); + return NULL; + } + + xf86SetModeDefaultName(Mode); + + /* We ignore h/v_size and h/v_border for now. */ + + if (timing->interlaced) + Mode->Flags |= V_INTERLACE; + + if (quirks & DDC_QUIRK_DETAILED_SYNC_PP) + Mode->Flags |= V_PVSYNC | V_PHSYNC; + else { + if (timing->misc & 0x02) + Mode->Flags |= V_PVSYNC; + else + Mode->Flags |= V_NVSYNC; + + if (timing->misc & 0x01) + Mode->Flags |= V_PHSYNC; + else + Mode->Flags |= V_NHSYNC; + } + + return Mode; +} + +static DisplayModePtr +DDCModesFromCVT(int scrnIndex, struct cvt_timings *t) +{ + DisplayModePtr modes = NULL; + int i; + + for (i = 0; i < 4; i++) { + if (t[i].height) { + if (t[i].rates & 0x10) + modes = xf86ModesAdd(modes, + xf86CVTMode(t[i].width, t[i].height, 50, 0, 0)); + if (t[i].rates & 0x08) + modes = xf86ModesAdd(modes, + xf86CVTMode(t[i].width, t[i].height, 60, 0, 0)); + if (t[i].rates & 0x04) + modes = xf86ModesAdd(modes, + xf86CVTMode(t[i].width, t[i].height, 75, 0, 0)); + if (t[i].rates & 0x02) + modes = xf86ModesAdd(modes, + xf86CVTMode(t[i].width, t[i].height, 85, 0, 0)); + if (t[i].rates & 0x01) + modes = xf86ModesAdd(modes, + xf86CVTMode(t[i].width, t[i].height, 60, 1, 0)); + } else break; + } + + return modes; +} + + +/* + * This is only valid when the sink claims to be continuous-frequency + * but does not supply a detailed range descriptor. Such sinks are + * arguably broken. Currently the mode validation code isn't aware of + * this; the non-RANDR code even punts the decision of optional sync + * range checking to the driver. Loss. + */ +static void +DDCGuessRangesFromModes(int scrnIndex, MonPtr Monitor, DisplayModePtr Modes) +{ + DisplayModePtr Mode = Modes; + + if (!Monitor || !Modes) + return; + + /* set up the ranges for scanning through the modes */ + Monitor->nHsync = 1; + Monitor->hsync[0].lo = 1024.0; + Monitor->hsync[0].hi = 0.0; + + Monitor->nVrefresh = 1; + Monitor->vrefresh[0].lo = 1024.0; + Monitor->vrefresh[0].hi = 0.0; + + while (Mode) { + if (!Mode->HSync) + Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal); + + if (!Mode->VRefresh) + Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) / + ((float) (Mode->HTotal * Mode->VTotal)); + + if (Mode->HSync < Monitor->hsync[0].lo) + Monitor->hsync[0].lo = Mode->HSync; + + if (Mode->HSync > Monitor->hsync[0].hi) + Monitor->hsync[0].hi = Mode->HSync; + + if (Mode->VRefresh < Monitor->vrefresh[0].lo) + Monitor->vrefresh[0].lo = Mode->VRefresh; + + if (Mode->VRefresh > Monitor->vrefresh[0].hi) + Monitor->vrefresh[0].hi = Mode->VRefresh; + + Mode = Mode->next; + } +} + +static ddc_quirk_t +xf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose) +{ + ddc_quirk_t quirks; + int i; + + quirks = DDC_QUIRK_NONE; + for (i = 0; ddc_quirks[i].detect; i++) { + if (ddc_quirks[i].detect (scrnIndex, DDC)) { + if (verbose) { + xf86DrvMsg (scrnIndex, X_INFO, " EDID quirk: %s\n", + ddc_quirks[i].description); + } + quirks |= ddc_quirks[i].quirk; + } + } + + return quirks; +} + +/** + * Applies monitor-specific quirks to the decoded EDID information. + * + * Note that some quirks applying to the mode list are still implemented in + * xf86DDCGetModes. + */ +void +xf86DDCApplyQuirks(int scrnIndex, xf86MonPtr DDC) +{ + ddc_quirk_t quirks = xf86DDCDetectQuirks (scrnIndex, DDC, FALSE); + int i; + + for (i = 0; i < DET_TIMINGS; i++) { + struct detailed_monitor_section *det_mon = &DDC->det_mon[i]; + + if (det_mon->type != DT) + continue; + + if (quirks & DDC_QUIRK_DETAILED_H_IN_CM) + det_mon->section.d_timings.h_size *= 10; + + if (quirks & DDC_QUIRK_DETAILED_V_IN_CM) + det_mon->section.d_timings.v_size *= 10; + + if (quirks & DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE) { + det_mon->section.d_timings.h_size = 10 * DDC->features.hsize; + det_mon->section.d_timings.v_size = 10 * DDC->features.vsize; + } + } +} + +/** + * Walks the modes list, finding the mode with the largest area which is + * closest to the target refresh rate, and marks it as the only preferred mode. +*/ +static void +xf86DDCSetPreferredRefresh(int scrnIndex, DisplayModePtr modes, + float target_refresh) +{ + DisplayModePtr mode, best = modes; + + for (mode = modes; mode; mode = mode->next) + { + mode->type &= ~M_T_PREFERRED; + + if (mode == best) continue; + + if (mode->HDisplay * mode->VDisplay > + best->HDisplay * best->VDisplay) + { + best = mode; + continue; + } + if (mode->HDisplay * mode->VDisplay == + best->HDisplay * best->VDisplay) + { + double mode_refresh = xf86ModeVRefresh (mode); + double best_refresh = xf86ModeVRefresh (best); + double mode_dist = fabs(mode_refresh - target_refresh); + double best_dist = fabs(best_refresh - target_refresh); + + if (mode_dist < best_dist) + { + best = mode; + continue; + } + } + } + if (best) + best->type |= M_T_PREFERRED; +} + +_X_EXPORT DisplayModePtr +xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC) +{ + int i; + DisplayModePtr Modes = NULL, Mode; + ddc_quirk_t quirks; + Bool preferred; + int timing_level; + + xf86DrvMsg (scrnIndex, X_INFO, "EDID vendor \"%s\", prod id %d\n", + DDC->vendor.name, DDC->vendor.prod_id); + + quirks = xf86DDCDetectQuirks(scrnIndex, DDC, TRUE); + + preferred = PREFERRED_TIMING_MODE(DDC->features.msc); + if (DDC->ver.revision >= 4) + preferred = TRUE; + if (quirks & DDC_QUIRK_FIRST_DETAILED_PREFERRED) + preferred = TRUE; + if (quirks & (DDC_QUIRK_PREFER_LARGE_60 | DDC_QUIRK_PREFER_LARGE_75)) + preferred = FALSE; + + timing_level = MonitorStandardTimingLevel(DDC); + + for (i = 0; i < DET_TIMINGS; i++) { + struct detailed_monitor_section *det_mon = &DDC->det_mon[i]; + + switch (det_mon->type) { + case DT: + Mode = DDCModeFromDetailedTiming(scrnIndex, + &det_mon->section.d_timings, + preferred, + quirks); + preferred = FALSE; + Modes = xf86ModesAdd(Modes, Mode); + break; + case DS_STD_TIMINGS: + Mode = DDCModesFromStandardTiming(det_mon->section.std_t, + quirks, timing_level); + Modes = xf86ModesAdd(Modes, Mode); + break; + case DS_CVT: + Mode = DDCModesFromCVT(scrnIndex, det_mon->section.cvt); + Modes = xf86ModesAdd(Modes, Mode); + break; + default: + break; + } + } + + /* Add established timings */ + Mode = DDCModesFromEstablished(scrnIndex, &DDC->timings1, quirks); + Modes = xf86ModesAdd(Modes, Mode); + + /* Add standard timings */ + Mode = DDCModesFromStandardTiming(DDC->timings2, quirks, timing_level); + Modes = xf86ModesAdd(Modes, Mode); + + if (quirks & DDC_QUIRK_PREFER_LARGE_60) + xf86DDCSetPreferredRefresh(scrnIndex, Modes, 60); + + if (quirks & DDC_QUIRK_PREFER_LARGE_75) + xf86DDCSetPreferredRefresh(scrnIndex, Modes, 75); + + return Modes; +} + +/* + * Fill out MonPtr with xf86MonPtr information. + */ +_X_EXPORT void +xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC) +{ + DisplayModePtr Modes = NULL, Mode; + int i, clock; + Bool have_hsync = FALSE, have_vrefresh = FALSE, have_maxpixclock = FALSE; + + if (!Monitor || !DDC) + return; + + Monitor->DDC = DDC; + + if (Monitor->widthmm <= 0 && Monitor->heightmm <= 0) { + Monitor->widthmm = 10 * DDC->features.hsize; + Monitor->heightmm = 10 * DDC->features.vsize; + } + + /* + * If this is a digital display, then we can use reduced blanking. + * XXX This is a 1.3 heuristic. 1.4 explicitly defines rb support. + */ + if (DDC->features.input_type) + Monitor->reducedblanking = TRUE; + + Modes = xf86DDCGetModes(scrnIndex, DDC); + + /* Skip EDID ranges if they were specified in the config file */ + have_hsync = (Monitor->nHsync != 0); + have_vrefresh = (Monitor->nVrefresh != 0); + have_maxpixclock = (Monitor->maxPixClock != 0); + + /* Go through the detailed monitor sections */ + for (i = 0; i < DET_TIMINGS; i++) { + switch (DDC->det_mon[i].type) { + case DS_RANGES: + if (!have_hsync) { + if (!Monitor->nHsync) + xf86DrvMsg(scrnIndex, X_INFO, + "Using EDID range info for horizontal sync\n"); + Monitor->hsync[Monitor->nHsync].lo = + DDC->det_mon[i].section.ranges.min_h; + Monitor->hsync[Monitor->nHsync].hi = + DDC->det_mon[i].section.ranges.max_h; + Monitor->nHsync++; + } else { + xf86DrvMsg(scrnIndex, X_INFO, + "Using hsync ranges from config file\n"); + } + + if (!have_vrefresh) { + if (!Monitor->nVrefresh) + xf86DrvMsg(scrnIndex, X_INFO, + "Using EDID range info for vertical refresh\n"); + Monitor->vrefresh[Monitor->nVrefresh].lo = + DDC->det_mon[i].section.ranges.min_v; + Monitor->vrefresh[Monitor->nVrefresh].hi = + DDC->det_mon[i].section.ranges.max_v; + Monitor->nVrefresh++; + } else { + xf86DrvMsg(scrnIndex, X_INFO, + "Using vrefresh ranges from config file\n"); + } + + clock = DDC->det_mon[i].section.ranges.max_clock * 1000; + if (!have_maxpixclock && clock > Monitor->maxPixClock) + Monitor->maxPixClock = clock; + + break; + default: + break; + } + } + + if (Modes) { + /* Print Modes */ + xf86DrvMsg(scrnIndex, X_INFO, "Printing DDC gathered Modelines:\n"); + + Mode = Modes; + while (Mode) { + xf86PrintModeline(scrnIndex, Mode); + Mode = Mode->next; + } + + /* Do we still need ranges to be filled in? */ + if (!Monitor->nHsync || !Monitor->nVrefresh) + DDCGuessRangesFromModes(scrnIndex, Monitor, Modes); + + /* look for last Mode */ + Mode = Modes; + + while (Mode->next) + Mode = Mode->next; + + /* add to MonPtr */ + if (Monitor->Modes) { + Monitor->Last->next = Modes; + Modes->prev = Monitor->Last; + Monitor->Last = Mode; + } else { + Monitor->Modes = Modes; + Monitor->Last = Mode; + } + } +} -- cgit v1.2.3