svn merge -r522:HEAD ^/branches/released .

4 files changed, 643 insertions, 587 deletions

diff --git a/xorg-server/hw/xfree86/common/Makefile.in b/xorg-server/hw/xfree86/common/Makefile.in
index 1ca3ada76..e85a8144b 100644
--- a/xorg-server/hw/xfree86/common/Makefile.in
+++ b/xorg-server/hw/xfree86/common/Makefile.in
@@ -152,6 +152,7 @@ APPLE_APPLICATION_NAME = @APPLE_APPLICATION_NAME@
 APP_MAN_DIR = @APP_MAN_DIR@
 APP_MAN_SUFFIX = @APP_MAN_SUFFIX@
 AR = @AR@
+ARM_BACKTRACE_CFLAGS = @ARM_BACKTRACE_CFLAGS@
 AS = @AS@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
@@ -339,6 +340,7 @@ XDMX_SYS_LIBS = @XDMX_SYS_LIBS@
 XEPHYR_CFLAGS = @XEPHYR_CFLAGS@
 XEPHYR_INCS = @XEPHYR_INCS@
 XEPHYR_LIBS = @XEPHYR_LIBS@
+XF86CONFIGDIR = @XF86CONFIGDIR@
 XF86CONFIGFILE = @XF86CONFIGFILE@
 XF86VIDMODE_CFLAGS = @XF86VIDMODE_CFLAGS@
 XF86VIDMODE_LIBS = @XF86VIDMODE_LIBS@
diff --git a/xorg-server/hw/xfree86/common/xf86AutoConfig.c b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
index 787e738d2..7b836b00d 100644
--- a/xorg-server/hw/xfree86/common/xf86AutoConfig.c
+++ b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
@@ -1,587 +1,638 @@
-/*

- * Copyright 2003 by David H. Dawes.

- * Copyright 2003 by X-Oz Technologies.

- * All rights reserved.

- *

- * 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, sublicense,

- * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL

- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.

- * 

- * Except as contained in this notice, the name of the copyright holder(s)

- * and author(s) shall not be used in advertising or otherwise to promote

- * the sale, use or other dealings in this Software without prior written

- * authorization from the copyright holder(s) and author(s).

- * 

- * Author: David Dawes <dawes@XFree86.Org>.

- */

-

-#ifdef HAVE_XORG_CONFIG_H

-#include <xorg-config.h>

-#endif

-

-#include "xf86.h"

-#include "xf86Parser.h"

-#include "xf86tokens.h"

-#include "xf86Config.h"

-#include "xf86Priv.h"

-#include "xf86_OSlib.h"

-#ifdef __sparc__

-# include "xf86sbusBus.h"

-#endif

-#include "dirent.h"

-

-#ifdef sun

-# include <sys/visual_io.h>

-# include <ctype.h>

-#endif

-

-/* Sections for the default built-in configuration. */

-

-#define BUILTIN_DEVICE_NAME \

-	"\"Builtin Default %s Device %d\""

-

-#define BUILTIN_DEVICE_SECTION_PRE \

-	"Section \"Device\"\n" \

-	"\tIdentifier\t" BUILTIN_DEVICE_NAME "\n" \

-	"\tDriver\t\"%s\"\n"

-

-#define BUILTIN_DEVICE_SECTION_POST \

-	"EndSection\n\n"

-

-#define BUILTIN_DEVICE_SECTION \

-	BUILTIN_DEVICE_SECTION_PRE \

-	BUILTIN_DEVICE_SECTION_POST

-

-#define BUILTIN_SCREEN_NAME \

-	"\"Builtin Default %s Screen %d\""

-

-#define BUILTIN_SCREEN_SECTION \

-	"Section \"Screen\"\n" \

-	"\tIdentifier\t" BUILTIN_SCREEN_NAME "\n" \

-	"\tDevice\t" BUILTIN_DEVICE_NAME "\n" \

-	"EndSection\n\n"

-

-#define BUILTIN_LAYOUT_SECTION_PRE \

-	"Section \"ServerLayout\"\n" \

-	"\tIdentifier\t\"Builtin Default Layout\"\n"

-

-#define BUILTIN_LAYOUT_SCREEN_LINE \

-	"\tScreen\t" BUILTIN_SCREEN_NAME "\n"

-

-#define BUILTIN_LAYOUT_SECTION_POST \

-	"EndSection\n\n"

-

-static const char **builtinConfig = NULL;

-static int builtinLines = 0;

-

-static void listPossibleVideoDrivers(char *matches[], int nmatches);

-

-/*

- * A built-in config file is stored as an array of strings, with each string

- * representing a single line.  AppendToConfig() breaks up the string "s"

- * into lines, and appends those lines it to builtinConfig.

- */

-

-static void

-AppendToList(const char *s, const char ***list, int *lines)

-{

-    char *str, *newstr, *p;

-

-    str = xnfstrdup(s);

-    for (p = strtok(str, "\n"); p; p = strtok(NULL, "\n")) {

-	(*lines)++;

-	*list = xnfrealloc(*list, (*lines + 1) * sizeof(**list));

-	newstr = xnfalloc(strlen(p) + 2);

-	strcpy(newstr, p);

-	strcat(newstr, "\n");

-	(*list)[*lines - 1] = newstr;

-	(*list)[*lines] = NULL;

-    }

-    xfree(str);

-}

-

-static void

-FreeList(const char ***list, int *lines)

-{

-    int i;

-

-    for (i = 0; i < *lines; i++) {

-	if ((*list)[i])

-	    xfree((*list)[i]);

-    }

-    xfree(*list);

-    *list = NULL;

-    *lines = 0;

-}

-

-static void

-FreeConfig(void)

-{

-    FreeList(&builtinConfig, &builtinLines);

-}

-

-static void

-AppendToConfig(const char *s)

-{

-    AppendToList(s, &builtinConfig, &builtinLines);

-}

-

-static int

-videoPtrToDriverList(struct pci_device *dev,

-		     char *returnList[], int returnListMax)

-{

-    int i;

-    /* Add more entries here if we ever return more than 4 drivers for

-       any device */

-    char *driverList[5] = { NULL, NULL, NULL, NULL, NULL };

-

-    switch (dev->vendor_id)

-    {

-	/* AMD Geode LX */

-	case 0x1022:

-	    if (dev->device_id == 0x2081)

-		driverList[0] = "geode";

-	    break;

-	/* older Geode products acquired by AMD still carry an NSC vendor_id */

-	case 0x100b:

-	    if (dev->device_id == 0x0030) {

-		/* NSC Geode GX2 specifically */

-		driverList[0] = "geode";

-		/* GX2 support started its life in the NSC tree and was later 

-		   forked by AMD for GEODE so we keep it as a backup */

-		driverList[1] = "nsc";

-	    } else 

-		/* other NSC variant e.g. 0x0104 (SC1400), 0x0504 (SCx200) */

-		driverList[0] = "nsc";

-	    break;

-	/* Cyrix Geode GX1 */

-	case 0x1078:

-	    if (dev->device_id == 0x0104)

-		driverList[0] = "cyrix";

-	    break;

-	case 0x1142:		    driverList[0] = "apm"; break;

-	case 0xedd8:		    driverList[0] = "ark"; break;

-	case 0x1a03:		    driverList[0] = "ast"; break;

-	case 0x1002:		    driverList[0] = "ati"; break;

-	case 0x102c:		    driverList[0] = "chips"; break;

-	case 0x1013:		    driverList[0] = "cirrus"; break;

-	case 0x3d3d:		    driverList[0] = "glint"; break;

-	case 0x105d:		    driverList[0] = "i128"; break;

-	case 0x8086:

-	    if ((dev->device_id == 0x00d1) || (dev->device_id == 0x7800)) {

-		driverList[0] = "i740";

-            } else if (dev->device_id == 0x8108) {

-                break; /* "hooray" for poulsbo */

-	    } else {

-		driverList[0] = "intel";

-	    }

-	    break;

-	case 0x102b:		    driverList[0] = "mga";	break;

-	case 0x10c8:		    driverList[0] = "neomagic"; break;

-	case 0x10de: case 0x12d2:   driverList[0] = "nv";	break;

-	case 0x1106:		    driverList[0] = "openchrome"; break;

-        case 0x1b36:		    driverList[0] = "qxl"; break;

-	case 0x1163:		    driverList[0] = "rendition"; break;

-	case 0x5333:

-	    switch (dev->device_id)

-	    {

-		case 0x88d0: case 0x88d1: case 0x88f0: case 0x8811:

-		case 0x8812: case 0x8814: case 0x8901:

-		    driverList[0] = "s3"; break;

-		case 0x5631: case 0x883d: case 0x8a01: case 0x8a10:

-		case 0x8c01: case 0x8c03: case 0x8904: case 0x8a13:

-		    driverList[0] = "s3virge"; break;

-		default:

-		    driverList[0] = "savage"; break;

-	    }

-	    break;

-	case 0x1039:		    driverList[0] = "sis";	break;

-	case 0x126f:		    driverList[0] = "siliconmotion"; break;

-	case 0x121a:

-	    if (dev->device_id < 0x0003)

-	        driverList[0] = "voodoo";

-	    else

-	        driverList[0] = "tdfx";

-	    break;

-	case 0x1011:		    driverList[0] = "tga"; break;

-	case 0x1023:		    driverList[0] = "trident"; break;

-	case 0x100c:		    driverList[0] = "tseng"; break;

-	case 0x80ee:		    driverList[0] = "vboxvideo"; break;

-	case 0x15ad:		    driverList[0] = "vmware"; break;

-	case 0x18ca:

-	    if (dev->device_id == 0x47)

-		driverList[0] = "xgixp";

-	    else

-		driverList[0] = "xgi";

-	    break;

-	default: break;

-    }

-    for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) {

-	returnList[i] = xnfstrdup(driverList[i]);

-    }

-    return i;	/* Number of entries added */

-}

-

-Bool

-xf86AutoConfig(void)

-{

-    char *deviceList[20];

-    char **p;

-    const char **cp;

-    char buf[1024];

-    ConfigStatus ret;

-

-    listPossibleVideoDrivers(deviceList, 20);

-

-    for (p = deviceList; *p; p++) {

-	snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION, *p, 0, *p);

-	AppendToConfig(buf);

-	snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION, *p, 0, *p, 0);

-	AppendToConfig(buf);

-    }

-

-    AppendToConfig(BUILTIN_LAYOUT_SECTION_PRE);

-    for (p = deviceList; *p; p++) {

-	snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, *p, 0);

-	AppendToConfig(buf);

-    }

-    AppendToConfig(BUILTIN_LAYOUT_SECTION_POST);

-

-    for (p = deviceList; *p; p++) {

-	xfree(*p);

-    }

-

-    xf86MsgVerb(X_DEFAULT, 0,

-		"Using default built-in configuration (%d lines)\n",

-		builtinLines);

-

-    xf86MsgVerb(X_DEFAULT, 3, "--- Start of built-in configuration ---\n");

-    for (cp = builtinConfig; *cp; cp++)

-	xf86ErrorFVerb(3, "\t%s", *cp);

-    xf86MsgVerb(X_DEFAULT, 3, "--- End of built-in configuration ---\n");

-

-    xf86initConfigFiles();

-    xf86setBuiltinConfig(builtinConfig);

-    ret = xf86HandleConfigFile(TRUE);

-    FreeConfig();

-

-    if (ret != CONFIG_OK)

-	xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n");

-

-    return (ret == CONFIG_OK);

-}

-

-static int

-xchomp(char *line)

-{

-    size_t len = 0;

-

-    if (!line) {

-        return 1;

-    }

-

-    len = strlen(line);

-    if (line[len - 1] == '\n' && len > 0) {

-        line[len - 1] = '\0';

-    }

-    return 0;

-}

-

-#ifdef __linux__

-/* This function is used to provide a workaround for binary drivers that

- * don't export their PCI ID's properly. If distros don't end up using this

- * feature it can and should be removed because the symbol-based resolution

- * scheme should be the primary one */

-static void

-matchDriverFromFiles (char** matches, uint16_t match_vendor, uint16_t match_chip)

-{

-    DIR *idsdir;

-    FILE *fp;

-    struct dirent *direntry;

-    char *line = NULL;

-    size_t len;

-    ssize_t read;

-    char path_name[256], vendor_str[5], chip_str[5];

-    uint16_t vendor, chip;

-    int i, j;

-

-    idsdir = opendir(PCI_TXT_IDS_PATH);

-    if (!idsdir)

-        return;

-

-    xf86Msg(X_INFO, "Scanning %s directory for additional PCI ID's supported by the drivers\n", PCI_TXT_IDS_PATH);

-    direntry = readdir(idsdir);

-    /* Read the directory */

-    while (direntry) {

-        if (direntry->d_name[0] == '.') {

-            direntry = readdir(idsdir);

-            continue;

-        }

-        len = strlen(direntry->d_name);

-        /* A tiny bit of sanity checking. We should probably do better */

-        if (strncmp(&(direntry->d_name[len-4]), ".ids", 4) == 0) {

-            /* We need the full path name to open the file */

-            strncpy(path_name, PCI_TXT_IDS_PATH, 256);

-            strncat(path_name, "/", 1);

-            strncat(path_name, direntry->d_name, (256 - strlen(path_name) - 1));

-            fp = fopen(path_name, "r");

-            if (fp == NULL) {

-                xf86Msg(X_ERROR, "Could not open %s for reading. Exiting.\n", path_name);

-                goto end;

-            }

-            /* Read the file */

-#ifdef __GLIBC__

-            while ((read = getline(&line, &len, fp)) != -1) {

-#else

-            while ((line = fgetln(fp, &len)) != (char *)NULL) {

-#endif /* __GLIBC __ */

-                xchomp(line);

-                if (isdigit(line[0])) {

-                    strncpy(vendor_str, line, 4);

-                    vendor_str[4] = '\0';

-                    vendor = (int)strtol(vendor_str, NULL, 16);

-                    if ((strlen(&line[4])) == 0) {

-                        chip_str[0] = '\0';

-                        chip = -1;

-                    } else {

-                        /* Handle trailing whitespace */

-                        if (isspace(line[4])) {

-                            chip_str[0] = '\0';

-                            chip = -1;

-                        } else {

-                            /* Ok, it's a real ID */

-                            strncpy(chip_str, &line[4], 4);

-                            chip_str[4] = '\0';

-                            chip = (int)strtol(chip_str, NULL, 16);

-                        }

-                    }

-                    if (vendor == match_vendor && chip == match_chip ) {

-                        i = 0;

-                        while (matches[i]) {

-                            i++;

-                        }

-                        matches[i] = (char*)xalloc(sizeof(char) * strlen(direntry->d_name) -  3);

-                        if (!matches[i]) {

-                            xf86Msg(X_ERROR, "Could not allocate space for the module name. Exiting.\n");

-                            goto end;

-                        }

-                        /* hack off the .ids suffix. This should guard

-                         * against other problems, but it will end up

-                         * taking off anything after the first '.' */

-                        for (j = 0; j < (strlen(direntry->d_name) - 3) ; j++) {

-                            if (direntry->d_name[j] == '.') {

-                                matches[i][j] = '\0';

-                                break;

-                            } else {

-                                matches[i][j] = direntry->d_name[j];

-                            }

-                        }

-                        xf86Msg(X_INFO, "Matched %s from file name %s\n", matches[i], direntry->d_name);

-                    }

-                } else {

-                    /* TODO Handle driver overrides here */

-                }

-            }

-            fclose(fp);

-        }

-        direntry = readdir(idsdir);

-    }

- end:

-    xfree(line);

-    closedir(idsdir);

-}

-#endif /* __linux__ */

-

-static void

-listPossibleVideoDrivers(char *matches[], int nmatches)

-{

-    struct pci_device * info = NULL;

-    struct pci_device_iterator *iter;

-    int i;

-    

-    for (i = 0 ; i < nmatches ; i++) {

-        matches[i] = NULL;

-    }

-    i = 0;

-

-#ifdef sun

-    /* Check for driver type based on /dev/fb type and if valid, use

-       it instead of PCI bus probe results */

-    if (xf86Info.consoleFd >= 0) {

-	struct vis_identifier   visid;

-	const char *cp;

-	extern char xf86SolarisFbDev[PATH_MAX];

-	int iret;

-

-	SYSCALL(iret = ioctl(xf86Info.consoleFd, VIS_GETIDENTIFIER, &visid));

-	if (iret < 0) {

-	    int fbfd;

-

-	    fbfd = open(xf86SolarisFbDev, O_RDONLY);

-	    if (fbfd >= 0) {

-		SYSCALL(iret = ioctl(fbfd, VIS_GETIDENTIFIER, &visid));

-		close(fbfd);

-	    }

-	}

-

-	if (iret < 0) {

-	    xf86Msg(X_WARNING,

-		    "could not get frame buffer identifier from %s\n",

-		    xf86SolarisFbDev);

-	} else {

-	    xf86Msg(X_PROBED, "console driver: %s\n", visid.name);

-

-	    /* Special case from before the general case was set */

-	    if (strcmp(visid.name, "NVDAnvda") == 0) {

-		matches[i++] = xnfstrdup("nvidia");

-	    }

-

-	    /* General case - split into vendor name (initial all-caps

-	       prefix) & driver name (rest of the string). */

-	    if (strcmp(visid.name, "SUNWtext") != 0) {

-		for (cp = visid.name; (*cp != '\0') && isupper(*cp); cp++) {

-		    /* find end of all uppercase vendor section */

-		}

-		if ((cp != visid.name) && (*cp != '\0')) {

-		    char *driverName = xnfstrdup(cp);

-		    char *vendorName = xnfstrdup(visid.name);

-		    vendorName[cp - visid.name] = '\0';

-

-		    matches[i++] = vendorName;

-		    matches[i++] = driverName;

-		}

-	    }

-	}

-    }

-#endif

-#ifdef __sparc__

-    {

-	char *sbusDriver = sparcDriverName();

-	if (sbusDriver)

-	    matches[i++] = xnfstrdup(sbusDriver);

-    }

-#endif

-

-    /* Find the primary device, and get some information about it. */

-    iter = pci_slot_match_iterator_create(NULL);

-    while ((info = pci_device_next(iter)) != NULL) {

-	if (xf86IsPrimaryPci(info)) {

-	    break;

-	}

-    }

-

-    pci_iterator_destroy(iter);

-

-    if (!info) {

-	ErrorF("Primary device is not PCI\n");

-    }

-#ifdef __linux__

-    else {

-	matchDriverFromFiles(matches, info->vendor_id, info->device_id);

-    }

-#endif /* __linux__ */

-

-    for (i = 0; (i < nmatches) && (matches[i]); i++) {

-	/* find end of matches list */

-    }

-

-    if ((info != NULL) && (i < nmatches)) {

-	i += videoPtrToDriverList(info, &(matches[i]), nmatches - i);

-    }

-

-    /* Fallback to platform default hardware */

-    if (i < (nmatches - 1)) {

-#if defined(__i386__) || defined(__amd64__) || defined(__hurd__)

-	matches[i++] = xnfstrdup("vesa");

-#elif defined(__sparc__) && !defined(sun)

-	matches[i++] = xnfstrdup("sunffb");

-#endif

-    }

-

-    /* Fallback to platform default frame buffer driver */

-    if (i < (nmatches - 1)) {

-#if !defined(__linux__) && defined(__sparc__)

-	matches[i++] = xnfstrdup("wsfb");

-#else

-	matches[i++] = xnfstrdup("fbdev");

-#endif

-    }

-}

-

-static char*

-chooseVideoDriver(void)

-{

-    char *chosen_driver = NULL;

-    int i;

-    char *matches[20]; /* If we have more than 20 drivers we're in trouble */

-

-    listPossibleVideoDrivers(matches, 20);

-

-    /* TODO Handle multiple drivers claiming to support the same PCI ID */

-    chosen_driver = matches[0];

-

-    xf86Msg(X_DEFAULT, "Matched %s for the autoconfigured driver\n",

-	    chosen_driver);

-

-    for (i = 0; matches[i] ; i++) {

-        if (matches[i] != chosen_driver) {

-            xfree(matches[i]);

-        }

-    }

-

-    return chosen_driver;

-}

-

-GDevPtr

-autoConfigDevice(GDevPtr preconf_device)

-{

-    GDevPtr ptr = NULL;

-

-    if (!xf86configptr) {

-        return NULL;

-    }

-

-    /* If there's a configured section with no driver chosen, use it */

-    if (preconf_device) {

-        ptr = preconf_device;

-    } else {

-        ptr = xcalloc(1, sizeof(GDevRec));

-        if (!ptr) {

-            return NULL;

-        }

-        ptr->chipID = -1;

-        ptr->chipRev = -1;

-        ptr->irq = -1;

-

-        ptr->active = TRUE;

-        ptr->claimed = FALSE;

-        ptr->identifier = "Autoconfigured Video Device";

-        ptr->driver = NULL;

-    }

-    if (!ptr->driver) {

-        ptr->driver = chooseVideoDriver();

-    }

-

-    /* TODO Handle multiple screen sections */

-    if (xf86ConfigLayout.screens && !xf86ConfigLayout.screens->screen->device) {

-        xf86ConfigLayout.screens->screen->device = ptr;

-        ptr->myScreenSection = xf86ConfigLayout.screens->screen;

-    }

-    xf86Msg(X_DEFAULT, "Assigned the driver to the xf86ConfigLayout\n");

-

-    return ptr;

-}

+/*
+ * Copyright 2003 by David H. Dawes.
+ * Copyright 2003 by X-Oz Technologies.
+ * All rights reserved.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ * 
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ * 
+ * Author: David Dawes <dawes@XFree86.Org>.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "xf86Config.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#ifdef __sparc__
+# include "xf86sbusBus.h"
+#endif
+#include "dirent.h"
+
+#ifdef sun
+# include <sys/visual_io.h>
+# include <ctype.h>
+#endif
+
+/* Sections for the default built-in configuration. */
+
+#define BUILTIN_DEVICE_NAME \
+	"\"Builtin Default %s Device %d\""
+
+#define BUILTIN_DEVICE_SECTION_PRE \
+	"Section \"Device\"\n" \
+	"\tIdentifier\t" BUILTIN_DEVICE_NAME "\n" \
+	"\tDriver\t\"%s\"\n"
+
+#define BUILTIN_DEVICE_SECTION_POST \
+	"EndSection\n\n"
+
+#define BUILTIN_DEVICE_SECTION \
+	BUILTIN_DEVICE_SECTION_PRE \
+	BUILTIN_DEVICE_SECTION_POST
+
+#define BUILTIN_SCREEN_NAME \
+	"\"Builtin Default %s Screen %d\""
+
+#define BUILTIN_SCREEN_SECTION \
+	"Section \"Screen\"\n" \
+	"\tIdentifier\t" BUILTIN_SCREEN_NAME "\n" \
+	"\tDevice\t" BUILTIN_DEVICE_NAME "\n" \
+	"EndSection\n\n"
+
+#define BUILTIN_LAYOUT_SECTION_PRE \
+	"Section \"ServerLayout\"\n" \
+	"\tIdentifier\t\"Builtin Default Layout\"\n"
+
+#define BUILTIN_LAYOUT_SCREEN_LINE \
+	"\tScreen\t" BUILTIN_SCREEN_NAME "\n"
+
+#define BUILTIN_LAYOUT_SECTION_POST \
+	"EndSection\n\n"
+
+static const char **builtinConfig = NULL;
+static int builtinLines = 0;
+
+static void listPossibleVideoDrivers(char *matches[], int nmatches);
+
+/*
+ * A built-in config file is stored as an array of strings, with each string
+ * representing a single line.  AppendToConfig() breaks up the string "s"
+ * into lines, and appends those lines it to builtinConfig.
+ */
+
+static void
+AppendToList(const char *s, const char ***list, int *lines)
+{
+    char *str, *newstr, *p;
+
+    str = xnfstrdup(s);
+    for (p = strtok(str, "\n"); p; p = strtok(NULL, "\n")) {
+	(*lines)++;
+	*list = xnfrealloc(*list, (*lines + 1) * sizeof(**list));
+	newstr = xnfalloc(strlen(p) + 2);
+	strcpy(newstr, p);
+	strcat(newstr, "\n");
+	(*list)[*lines - 1] = newstr;
+	(*list)[*lines] = NULL;
+    }
+    xfree(str);
+}
+
+static void
+FreeList(const char ***list, int *lines)
+{
+    int i;
+
+    for (i = 0; i < *lines; i++) {
+	if ((*list)[i])
+	    xfree((*list)[i]);
+    }
+    xfree(*list);
+    *list = NULL;
+    *lines = 0;
+}
+
+static void
+FreeConfig(void)
+{
+    FreeList(&builtinConfig, &builtinLines);
+}
+
+static void
+AppendToConfig(const char *s)
+{
+    AppendToList(s, &builtinConfig, &builtinLines);
+}
+
+static int
+videoPtrToDriverList(struct pci_device *dev,
+		     char *returnList[], int returnListMax)
+{
+    int i;
+    /* Add more entries here if we ever return more than 4 drivers for
+       any device */
+    char *driverList[5] = { NULL, NULL, NULL, NULL, NULL };
+
+    switch (dev->vendor_id)
+    {
+	/* AMD Geode LX */
+	case 0x1022:
+	    if (dev->device_id == 0x2081)
+		driverList[0] = "geode";
+	    break;
+	/* older Geode products acquired by AMD still carry an NSC vendor_id */
+	case 0x100b:
+	    if (dev->device_id == 0x0030) {
+		/* NSC Geode GX2 specifically */
+		driverList[0] = "geode";
+		/* GX2 support started its life in the NSC tree and was later 
+		   forked by AMD for GEODE so we keep it as a backup */
+		driverList[1] = "nsc";
+	    } else 
+		/* other NSC variant e.g. 0x0104 (SC1400), 0x0504 (SCx200) */
+		driverList[0] = "nsc";
+	    break;
+	/* Cyrix Geode GX1 */
+	case 0x1078:
+	    if (dev->device_id == 0x0104)
+		driverList[0] = "cyrix";
+	    break;
+	case 0x1142:		    driverList[0] = "apm"; break;
+	case 0xedd8:		    driverList[0] = "ark"; break;
+	case 0x1a03:		    driverList[0] = "ast"; break;
+	case 0x1002:		    driverList[0] = "ati"; break;
+	case 0x102c:		    driverList[0] = "chips"; break;
+	case 0x1013:		    driverList[0] = "cirrus"; break;
+	case 0x3d3d:		    driverList[0] = "glint"; break;
+	case 0x105d:		    driverList[0] = "i128"; break;
+	case 0x8086:
+	    if ((dev->device_id == 0x00d1) || (dev->device_id == 0x7800)) {
+		driverList[0] = "i740";
+            } else if (dev->device_id == 0x8108) {
+                break; /* "hooray" for poulsbo */
+	    } else {
+		driverList[0] = "intel";
+	    }
+	    break;
+	case 0x102b:		    driverList[0] = "mga";	break;
+	case 0x10c8:		    driverList[0] = "neomagic"; break;
+	case 0x10de: case 0x12d2:   driverList[0] = "nv";	break;
+	case 0x1106:		    driverList[0] = "openchrome"; break;
+        case 0x1b36:		    driverList[0] = "qxl"; break;
+	case 0x1163:		    driverList[0] = "rendition"; break;
+	case 0x5333:
+	    switch (dev->device_id)
+	    {
+		case 0x88d0: case 0x88d1: case 0x88f0: case 0x8811:
+		case 0x8812: case 0x8814: case 0x8901:
+		    driverList[0] = "s3"; break;
+		case 0x5631: case 0x883d: case 0x8a01: case 0x8a10:
+		case 0x8c01: case 0x8c03: case 0x8904: case 0x8a13:
+		    driverList[0] = "s3virge"; break;
+		default:
+		    driverList[0] = "savage"; break;
+	    }
+	    break;
+	case 0x1039:		    driverList[0] = "sis";	break;
+	case 0x126f:		    driverList[0] = "siliconmotion"; break;
+	case 0x121a:
+	    if (dev->device_id < 0x0003)
+	        driverList[0] = "voodoo";
+	    else
+	        driverList[0] = "tdfx";
+	    break;
+	case 0x1011:		    driverList[0] = "tga"; break;
+	case 0x1023:		    driverList[0] = "trident"; break;
+	case 0x100c:		    driverList[0] = "tseng"; break;
+	case 0x80ee:		    driverList[0] = "vboxvideo"; break;
+	case 0x15ad:		    driverList[0] = "vmware"; break;
+	case 0x18ca:
+	    if (dev->device_id == 0x47)
+		driverList[0] = "xgixp";
+	    else
+		driverList[0] = "xgi";
+	    break;
+	default: break;
+    }
+    for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) {
+	returnList[i] = xnfstrdup(driverList[i]);
+    }
+    return i;	/* Number of entries added */
+}
+
+Bool
+xf86AutoConfig(void)
+{
+    char *deviceList[20];
+    char **p;
+    const char **cp;
+    char buf[1024];
+    ConfigStatus ret;
+
+    listPossibleVideoDrivers(deviceList, 20);
+
+    for (p = deviceList; *p; p++) {
+	snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION, *p, 0, *p);
+	AppendToConfig(buf);
+	snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION, *p, 0, *p, 0);
+	AppendToConfig(buf);
+    }
+
+    AppendToConfig(BUILTIN_LAYOUT_SECTION_PRE);
+    for (p = deviceList; *p; p++) {
+	snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, *p, 0);
+	AppendToConfig(buf);
+    }
+    AppendToConfig(BUILTIN_LAYOUT_SECTION_POST);
+
+    for (p = deviceList; *p; p++) {
+	xfree(*p);
+    }
+
+    xf86MsgVerb(X_DEFAULT, 0,
+		"Using default built-in configuration (%d lines)\n",
+		builtinLines);
+
+    xf86MsgVerb(X_DEFAULT, 3, "--- Start of built-in configuration ---\n");
+    for (cp = builtinConfig; *cp; cp++)
+	xf86ErrorFVerb(3, "\t%s", *cp);
+    xf86MsgVerb(X_DEFAULT, 3, "--- End of built-in configuration ---\n");
+
+    xf86initConfigFiles();
+    xf86setBuiltinConfig(builtinConfig);
+    ret = xf86HandleConfigFile(TRUE);
+    FreeConfig();
+
+    if (ret != CONFIG_OK)
+	xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n");
+
+    return (ret == CONFIG_OK);
+}
+
+static int
+xchomp(char *line)
+{
+    size_t len = 0;
+
+    if (!line) {
+        return 1;
+    }
+
+    len = strlen(line);
+    if (line[len - 1] == '\n' && len > 0) {
+        line[len - 1] = '\0';
+    }
+    return 0;
+}
+
+#ifdef __linux__
+/* This function is used to provide a workaround for binary drivers that
+ * don't export their PCI ID's properly. If distros don't end up using this
+ * feature it can and should be removed because the symbol-based resolution
+ * scheme should be the primary one */
+static void
+matchDriverFromFiles (char** matches, uint16_t match_vendor, uint16_t match_chip)
+{
+    DIR *idsdir;
+    FILE *fp;
+    struct dirent *direntry;
+    char *line = NULL;
+    size_t len;
+    ssize_t read;
+    char path_name[256], vendor_str[5], chip_str[5];
+    uint16_t vendor, chip;
+    int i, j;
+
+    idsdir = opendir(PCI_TXT_IDS_PATH);
+    if (!idsdir)
+        return;
+
+    xf86Msg(X_INFO, "Scanning %s directory for additional PCI ID's supported by the drivers\n", PCI_TXT_IDS_PATH);
+    direntry = readdir(idsdir);
+    /* Read the directory */
+    while (direntry) {
+        if (direntry->d_name[0] == '.') {
+            direntry = readdir(idsdir);
+            continue;
+        }
+        len = strlen(direntry->d_name);
+        /* A tiny bit of sanity checking. We should probably do better */
+        if (strncmp(&(direntry->d_name[len-4]), ".ids", 4) == 0) {
+            /* We need the full path name to open the file */
+            strncpy(path_name, PCI_TXT_IDS_PATH, 256);
+            strncat(path_name, "/", 1);
+            strncat(path_name, direntry->d_name, (256 - strlen(path_name) - 1));
+            fp = fopen(path_name, "r");
+            if (fp == NULL) {
+                xf86Msg(X_ERROR, "Could not open %s for reading. Exiting.\n", path_name);
+                goto end;
+            }
+            /* Read the file */
+#ifdef __GLIBC__
+            while ((read = getline(&line, &len, fp)) != -1) {
+#else
+            while ((line = fgetln(fp, &len)) != (char *)NULL) {
+#endif /* __GLIBC __ */
+                xchomp(line);
+                if (isdigit(line[0])) {
+                    strncpy(vendor_str, line, 4);
+                    vendor_str[4] = '\0';
+                    vendor = (int)strtol(vendor_str, NULL, 16);
+                    if ((strlen(&line[4])) == 0) {
+                        chip_str[0] = '\0';
+                        chip = -1;
+                    } else {
+                        /* Handle trailing whitespace */
+                        if (isspace(line[4])) {
+                            chip_str[0] = '\0';
+                            chip = -1;
+                        } else {
+                            /* Ok, it's a real ID */
+                            strncpy(chip_str, &line[4], 4);
+                            chip_str[4] = '\0';
+                            chip = (int)strtol(chip_str, NULL, 16);
+                        }
+                    }
+                    if (vendor == match_vendor && chip == match_chip ) {
+                        i = 0;
+                        while (matches[i]) {
+                            i++;
+                        }
+                        matches[i] = (char*)xalloc(sizeof(char) * strlen(direntry->d_name) -  3);
+                        if (!matches[i]) {
+                            xf86Msg(X_ERROR, "Could not allocate space for the module name. Exiting.\n");
+                            goto end;
+                        }
+                        /* hack off the .ids suffix. This should guard
+                         * against other problems, but it will end up
+                         * taking off anything after the first '.' */
+                        for (j = 0; j < (strlen(direntry->d_name) - 3) ; j++) {
+                            if (direntry->d_name[j] == '.') {
+                                matches[i][j] = '\0';
+                                break;
+                            } else {
+                                matches[i][j] = direntry->d_name[j];
+                            }
+                        }
+                        xf86Msg(X_INFO, "Matched %s from file name %s\n", matches[i], direntry->d_name);
+                    }
+                } else {
+                    /* TODO Handle driver overrides here */
+                }
+            }
+            fclose(fp);
+        }
+        direntry = readdir(idsdir);
+    }
+ end:
+    xfree(line);
+    closedir(idsdir);
+}
+#endif /* __linux__ */
+
+static void
+listPossibleVideoDrivers(char *matches[], int nmatches)
+{
+    struct pci_device * info = NULL;
+    struct pci_device_iterator *iter;
+    int i;
+    
+    for (i = 0 ; i < nmatches ; i++) {
+        matches[i] = NULL;
+    }
+    i = 0;
+
+#ifdef sun
+    /* Check for driver type based on /dev/fb type and if valid, use
+       it instead of PCI bus probe results */
+    if (xf86Info.consoleFd >= 0) {
+	struct vis_identifier   visid;
+	const char *cp;
+	extern char xf86SolarisFbDev[PATH_MAX];
+	int iret;
+
+	SYSCALL(iret = ioctl(xf86Info.consoleFd, VIS_GETIDENTIFIER, &visid));
+	if (iret < 0) {
+	    int fbfd;
+
+	    fbfd = open(xf86SolarisFbDev, O_RDONLY);
+	    if (fbfd >= 0) {
+		SYSCALL(iret = ioctl(fbfd, VIS_GETIDENTIFIER, &visid));
+		close(fbfd);
+	    }
+	}
+
+	if (iret < 0) {
+	    xf86Msg(X_WARNING,
+		    "could not get frame buffer identifier from %s\n",
+		    xf86SolarisFbDev);
+	} else {
+	    xf86Msg(X_PROBED, "console driver: %s\n", visid.name);
+
+	    /* Special case from before the general case was set */
+	    if (strcmp(visid.name, "NVDAnvda") == 0) {
+		matches[i++] = xnfstrdup("nvidia");
+	    }
+
+	    /* General case - split into vendor name (initial all-caps
+	       prefix) & driver name (rest of the string). */
+	    if (strcmp(visid.name, "SUNWtext") != 0) {
+		for (cp = visid.name; (*cp != '\0') && isupper(*cp); cp++) {
+		    /* find end of all uppercase vendor section */
+		}
+		if ((cp != visid.name) && (*cp != '\0')) {
+		    char *driverName = xnfstrdup(cp);
+		    char *vendorName = xnfstrdup(visid.name);
+		    vendorName[cp - visid.name] = '\0';
+
+		    matches[i++] = vendorName;
+		    matches[i++] = driverName;
+		}
+	    }
+	}
+    }
+#endif
+#ifdef __sparc__
+    {
+	char *sbusDriver = sparcDriverName();
+	if (sbusDriver)
+	    matches[i++] = xnfstrdup(sbusDriver);
+    }
+#endif
+
+    /* Find the primary device, and get some information about it. */
+    iter = pci_slot_match_iterator_create(NULL);
+    while ((info = pci_device_next(iter)) != NULL) {
+	if (xf86IsPrimaryPci(info)) {
+	    break;
+	}
+    }
+
+    pci_iterator_destroy(iter);
+
+    if (!info) {
+	ErrorF("Primary device is not PCI\n");
+    }
+#ifdef __linux__
+    else {
+	matchDriverFromFiles(matches, info->vendor_id, info->device_id);
+    }
+#endif /* __linux__ */
+
+    for (i = 0; (i < nmatches) && (matches[i]); i++) {
+	/* find end of matches list */
+    }
+
+    if ((info != NULL) && (i < nmatches)) {
+	i += videoPtrToDriverList(info, &(matches[i]), nmatches - i);
+    }
+
+    /* Fallback to platform default hardware */
+    if (i < (nmatches - 1)) {
+#if defined(__i386__) || defined(__amd64__) || defined(__hurd__)
+	matches[i++] = xnfstrdup("vesa");
+#elif defined(__sparc__) && !defined(sun)
+	matches[i++] = xnfstrdup("sunffb");
+#endif
+    }
+
+    /* Fallback to platform default frame buffer driver */
+    if (i < (nmatches - 1)) {
+#if !defined(__linux__) && defined(__sparc__)
+	matches[i++] = xnfstrdup("wsfb");
+#else
+	matches[i++] = xnfstrdup("fbdev");
+#endif
+    }
+}
+
+/* copy a screen section and enter the desired driver
+ * and insert it at i in the list of screens */
+static Bool
+copyScreen(confScreenPtr oscreen, GDevPtr odev, int i, char *driver)
+{
+    GDevPtr cptr = NULL;
+
+    xf86ConfigLayout.screens[i].screen = xnfcalloc(1, sizeof(confScreenRec));
+    if(!xf86ConfigLayout.screens[i].screen)
+        return FALSE;
+    memcpy(xf86ConfigLayout.screens[i].screen, oscreen, sizeof(confScreenRec));
+
+    cptr = xcalloc(1, sizeof(GDevRec));
+    if (!cptr)
+        return FALSE;
+    memcpy(cptr, odev, sizeof(GDevRec));
+
+    cptr->identifier = Xprintf("Autoconfigured Video Device %s", driver);
+    cptr->driver = driver;
+
+    /* now associate the new driver entry with the new screen entry */
+    xf86ConfigLayout.screens[i].screen->device = cptr;
+    cptr->myScreenSection = xf86ConfigLayout.screens[i].screen;
+
+    return TRUE;
+}
+
+GDevPtr
+autoConfigDevice(GDevPtr preconf_device)
+{
+    GDevPtr ptr = NULL;
+    char *matches[20]; /* If we have more than 20 drivers we're in trouble */
+    int num_matches = 0, num_screens = 0, i;
+    screenLayoutPtr slp;
+
+    if (!xf86configptr) {
+        return NULL;
+    }
+
+    /* If there's a configured section with no driver chosen, use it */
+    if (preconf_device) {
+        ptr = preconf_device;
+    } else {
+        ptr = xcalloc(1, sizeof(GDevRec));
+        if (!ptr) {
+            return NULL;
+        }
+        ptr->chipID = -1;
+        ptr->chipRev = -1;
+        ptr->irq = -1;
+
+        ptr->active = TRUE;
+        ptr->claimed = FALSE;
+        ptr->identifier = "Autoconfigured Video Device";
+        ptr->driver = NULL;
+    }
+    if (!ptr->driver) {
+        /* get all possible video drivers and count them */
+        listPossibleVideoDrivers(matches, 20);
+        for (; matches[num_matches]; num_matches++) {
+            xf86Msg(X_DEFAULT, "Matched %s as autoconfigured driver %d\n",
+                    matches[num_matches], num_matches);
+        }
+
+        slp = xf86ConfigLayout.screens;
+        if (slp) {
+            /* count the number of screens and make space for
+             * a new screen for each additional possible driver
+             * minus one for the already existing first one
+             * plus one for the terminating NULL */
+            for (; slp[num_screens].screen; num_screens++);
+            xf86ConfigLayout.screens = xnfcalloc(num_screens + num_matches,
+                                                sizeof(screenLayoutRec));
+            xf86ConfigLayout.screens[0] = slp[0];
+
+            /* do the first match and set that for the original first screen */
+            ptr->driver = matches[0];
+            if (!xf86ConfigLayout.screens[0].screen->device) {
+                xf86ConfigLayout.screens[0].screen->device = ptr;
+                ptr->myScreenSection = xf86ConfigLayout.screens[0].screen;
+            }
+
+            /* for each other driver found, copy the first screen, insert it
+             * into the list of screens and set the driver */
+            i = 0;
+            while (i++ < num_matches) {
+                if (!copyScreen(slp[0].screen, ptr, i, matches[i]))
+                    return NULL;
+            }
+
+            /* shift the rest of the original screen list
+             * to the end of the current screen list
+             *
+             * TODO Handle rest of multiple screen sections */
+            for (i = 1; i < num_screens; i++) {
+                xf86ConfigLayout.screens[i+num_matches] = slp[i];
+            }
+            xf86ConfigLayout.screens[num_screens+num_matches-1].screen = NULL;
+            xfree(slp);
+        } else {
+            /* layout does not have any screens, not much to do */
+            ptr->driver = matches[0];
+            for (i = 1; matches[i] ; i++) {
+                if (matches[i] != matches[0]) {
+                    xfree(matches[i]);
+                }
+            }
+        }
+    }
+
+    xf86Msg(X_DEFAULT, "Assigned the driver to the xf86ConfigLayout\n");
+
+    return ptr;
+}
diff --git a/xorg-server/hw/xfree86/common/xf86Init.c b/xorg-server/hw/xfree86/common/xf86Init.c
index 72241a776..71ac9a9fe 100644
--- a/xorg-server/hw/xfree86/common/xf86Init.c
+++ b/xorg-server/hw/xfree86/common/xf86Init.c
@@ -1269,7 +1269,9 @@ AbortDDX(void)
 	       * we might not have been wrapped yet. Therefore enable
 	       * screen explicitely.
 	       */
+	      xf86VGAarbiterLock(xf86Screens[i]);
 	      (xf86Screens[i]->LeaveVT)(i, 0);
+	      xf86VGAarbiterUnlock(xf86Screens[i]);
 	  }
   }
 
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index e9f7f2fb7..822922717 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -618,6 +618,7 @@ MergeInputClasses(IDevPtr idev, InputAttributes *attrs)
                     "InputClass configuration");
             return BadAlloc;
         }
+        mergedopts = xf86ReplaceStrOption(mergedopts, "driver", idev->driver);
     }
     idev->commonOptions = xf86optionListMerge(idev->commonOptions, mergedopts);