xserver 1.4

1 files changed, 491 insertions, 0 deletions

diff --git a/xserver/hw/xfree86/modes/xf86EdidModes.c b/xserver/hw/xfree86/modes/xf86EdidModes.c
new file mode 100644
index 000000000..8b5e69d9a
--- /dev/null
+++ b/xserver/hw/xfree86/modes/xf86EdidModes.c
@@ -0,0 +1,491 @@
+/*
+ * 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 <xorg-config.h>
+#else
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#endif
+
+#include "xf86.h"
+#include "xf86DDC.h"
+#include <X11/Xatom.h>
+#include "property.h"
+#include "propertyst.h"
+#include "xf86DDC.h"
+#include "xf86Crtc.h"
+#include <string.h>
+#include <math.h>
+
+/*
+ * 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,
+} 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)
+	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;
+
+    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;
+}
+
+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"
+    },
+    { 
+	NULL,		DDC_QUIRK_NONE,
+	"No known quirks"
+    },
+};
+
+/*
+ * TODO:
+ *  - for those with access to the VESA DMT standard; review please.
+ */
+#define MODEPREFIX(name) NULL, NULL, name, 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 DisplayModeRec DDCEstablishedModes[17] = {
+    { MODEPREFIX("800x600"),    40000,  800,  840,  968, 1056, 0,  600,  601,  605,  628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */
+    { MODEPREFIX("800x600"),    36000,  800,  824,  896, 1024, 0,  600,  601,  603,  625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */
+    { MODEPREFIX("640x480"),    31500,  640,  656,  720,  840, 0,  480,  481,  484,  500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */
+    { MODEPREFIX("640x480"),    31500,  640,  664,  704,  832, 0,  480,  489,  491,  520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */
+    { MODEPREFIX("640x480"),    30240,  640,  704,  768,  864, 0,  480,  483,  486,  525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */
+    { MODEPREFIX("640x480"),    25200,  640,  656,  752,  800, 0,  480,  490,  492,  525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */
+    { MODEPREFIX("720x400"),    35500,  720,  738,  846,  900, 0,  400,  421,  423,  449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */
+    { MODEPREFIX("720x400"),    28320,  720,  738,  846,  900, 0,  400,  412,  414,  449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */
+    { MODEPREFIX("1280x1024"), 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */
+    { MODEPREFIX("1024x768"),   78800, 1024, 1040, 1136, 1312, 0,  768,  769,  772,  800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */
+    { MODEPREFIX("1024x768"),   75000, 1024, 1048, 1184, 1328, 0,  768,  771,  777,  806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */
+    { MODEPREFIX("1024x768"),   65000, 1024, 1048, 1184, 1344, 0,  768,  771,  777,  806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */
+    { MODEPREFIX("1024x768"),   44900, 1024, 1032, 1208, 1264, 0,  768,  768,  776,  817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */
+    { MODEPREFIX("832x624"),    57284,  832,  864,  928, 1152, 0,  624,  625,  628,  667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */
+    { MODEPREFIX("800x600"),    49500,  800,  816,  896, 1056, 0,  600,  601,  604,  625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */
+    { MODEPREFIX("800x600"),    50000,  800,  856,  976, 1040, 0,  600,  637,  643,  666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */
+    { MODEPREFIX("1152x864"),  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;
+}
+
+/*
+ *
+ */
+static DisplayModePtr
+DDCModesFromStandardTiming(int scrnIndex, struct std_timings *timing,
+			   ddc_quirk_t quirks)
+{
+    DisplayModePtr Modes = NULL, Mode = NULL;
+    int i;
+
+    for (i = 0; i < STD_TIMINGS; i++) {
+        if (timing[i].hsize && timing[i].vsize && timing[i].refresh) {
+            Mode =  xf86CVTMode(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,
+			  int 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 = xnfalloc(sizeof(DisplayModeRec));
+    memset(Mode, 0, 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;
+
+    xf86SetModeDefaultName(Mode);
+
+    /* We ignore h/v_size and h/v_border for now. */
+
+    if (timing->interlaced)
+        Mode->Flags |= V_INTERLACE;
+
+    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 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;
+    }
+}
+
+_X_EXPORT DisplayModePtr
+xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC)
+{
+    int preferred, i;
+    DisplayModePtr  Modes = NULL, Mode;
+    ddc_quirk_t	    quirks;
+
+    xf86DrvMsg (scrnIndex, X_INFO, "EDID vendor \"%s\", prod id %d\n",
+		DDC->vendor.name, DDC->vendor.prod_id);
+    quirks = DDC_QUIRK_NONE;
+    for (i = 0; ddc_quirks[i].detect; i++)
+	if (ddc_quirks[i].detect (scrnIndex, DDC))
+	{
+	    xf86DrvMsg (scrnIndex, X_INFO, "    EDID quirk: %s\n",
+			ddc_quirks[i].description);
+	    quirks |= ddc_quirks[i].quirk;
+	}
+    
+    preferred = PREFERRED_TIMING_MODE(DDC->features.msc);
+    if (quirks & DDC_QUIRK_PREFER_LARGE_60)
+	preferred = 0;
+
+    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 = 0;
+            Modes = xf86ModesAdd(Modes, Mode);
+            break;
+        case DS_STD_TIMINGS:
+            Mode = DDCModesFromStandardTiming(scrnIndex,
+					      det_mon->section.std_t,
+					      quirks);
+            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(scrnIndex, DDC->timings2, quirks);
+    Modes = xf86ModesAdd(Modes, Mode);
+
+    if (quirks & DDC_QUIRK_PREFER_LARGE_60)
+    {
+	DisplayModePtr	best = Modes;
+	for (Mode = Modes; Mode; Mode = Mode->next)
+	{
+	    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 - 60.0);
+		double	best_dist = fabs(best_refresh - 60.0);
+		if (mode_dist < best_dist)
+		{
+		    best = Mode;
+		    continue;
+		}
+	    }
+	}
+	if (best)
+	    best->type |= M_T_PREFERRED;
+    }
+    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;
+
+    Monitor->widthmm = 10 * DDC->features.hsize;
+    Monitor->heightmm = 10 * DDC->features.vsize;
+
+    /* If this is a digital display, then we can use reduced blanking */
+    if (DDC->features.input_type)
+        Monitor->reducedblanking = TRUE;
+    /* Allow the user to also enable this through config */
+
+    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;
+        }
+    }
+}