xserver git update 15/5/2010

1 files changed, 638 insertions, 638 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86AutoConfig.c b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
index 7b836b00d..88891e5a7 100644
--- a/xorg-server/hw/xfree86/common/xf86AutoConfig.c
+++ b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
@@ -1,638 +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
-    }
-}
-
-/* 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;
-}
+/*

+ * 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;

+    }

+    free(str);

+}

+

+static void

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

+{

+    int i;

+

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

+	if ((*list)[i])

+	    free((*list)[i]);

+    }

+    free(*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++) {

+	free(*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*)malloc(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:

+    free(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 = calloc(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 = calloc(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;

+            free(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]) {

+                    free(matches[i]);

+                }

+            }

+        }

+    }

+

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

+

+    return ptr;

+}