merge latest (4.3.99.16) from XFree86 (vendor) branch

1 files changed, 354 insertions, 0 deletions

diff --git a/hw/xfree86/common/xf86AutoConfig.c b/hw/xfree86/common/xf86AutoConfig.c
new file mode 100644
index 000000000..7c773fee6
--- /dev/null
+++ b/hw/xfree86/common/xf86AutoConfig.c
@@ -0,0 +1,354 @@
+/* $DHD: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.15 2003/09/24 19:39:36 dawes Exp $ */
+
+/*
+ * 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>.
+ */
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.2 2003/11/03 05:11:01 tsi Exp $ */
+
+#include "xf86.h"
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "xf86Config.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+/*
+ * Sections for the default built-in configuration.
+ */
+
+#define BUILTIN_MODULE_SECTION \
+	"Section \"Module\"\n" \
+	"\tLoad\t\"extmod\"\n" \
+	"\tLoad\t\"dbe\"\n" \
+	"\tLoad\t\"glx\"\n" \
+	"\tLoad\t\"freetype\"\n" \
+	"EndSection\n\n"
+
+#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_MONITOR_NAME \
+	"\"Builtin Default Monitor\""
+
+#define BUILTIN_MONITOR_SECTION \
+	"Section \"Monitor\"\n" \
+	"\tIdentifier\t" BUILTIN_MONITOR_NAME "\n" \
+	"\tOption\t\"TargetRefresh\"\t\"75.0\"\n" \
+	"EndSection\n\n"
+
+#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" \
+	"\tMonitor\t" BUILTIN_MONITOR_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"
+
+
+#ifndef GET_CONFIG_CMD
+#define GET_CONFIG_CMD			"getconfig"
+#endif
+
+#ifndef GETCONFIG_DIR
+#define GETCONFIG_DIR			PROJECTROOT "/lib/X11/getconfig"
+#endif
+
+#define GETCONFIG_WHITESPACE		" \t\n"
+
+static const char **builtinConfig = NULL;
+static int builtinLines = 0;
+static const char *deviceList[] = {
+	"fbdev",
+	"vesa",
+	"vga",
+	NULL
+};
+
+/*
+ * 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);
+}
+
+Bool
+xf86AutoConfig(void)
+{
+    const char **p;
+    char buf[1024];
+    pciVideoPtr *pciptr, info = NULL;
+    char *driver = NULL;
+    FILE *gp = NULL;
+    ConfigStatus ret;
+
+    /* Find the primary device, and get some information about it. */
+    if (xf86PciVideoInfo) {
+	for (pciptr = xf86PciVideoInfo; (info = *pciptr); pciptr++) {
+	    if (xf86IsPrimaryPci(info)) {
+		break;
+	    }
+	}
+	if (!info) {
+	    ErrorF("Primary device is not PCI\n");
+	}
+    } else {
+	ErrorF("xf86PciVideoInfo is not set\n");
+    }
+
+    if (info) {
+	char *tmp;
+	char *path = NULL, *a, *b;
+	char *searchPath = NULL;
+
+	/*
+	 * Look for the getconfig program first in the xf86ModulePath
+	 * directories, then in BINDIR.  If it isn't found in any of those
+	 * locations, just use the normal search path.
+	 */
+
+	if (xf86ModulePath) {
+	    a = xnfstrdup(xf86ModulePath);
+	    b = strtok(a, ",");
+	    while (b) {
+		path = xnfrealloc(path,
+				  strlen(b) + 1 + strlen(GET_CONFIG_CMD) + 1);
+		sprintf(path, "%s/%s", b, GET_CONFIG_CMD);
+		if (access(path, X_OK) == 0)
+		    break;
+		b = strtok(NULL, ",");
+	    }
+	    if (!b) {
+		xfree(path);
+		path = NULL;
+	    }
+	    xfree(a);
+	}
+
+#ifdef BINDIR
+	if (!path) {
+	    path = xnfstrdup(BINDIR "/" GET_CONFIG_CMD);
+	    if (access(path, X_OK) != 0) {
+		xfree(path);
+		path = NULL;
+	    }
+	}
+#endif
+
+	if (!path)
+	    path = xnfstrdup(GET_CONFIG_CMD);
+
+	/*
+	 * Build up the config file directory search path:
+	 *
+	 * /etc/X11
+	 * PROJECTROOT/etc/X11
+	 * xf86ModulePath
+	 * PROJECTROOT/lib/X11/getconfig  (GETCONFIG_DIR)
+	 */
+
+	searchPath = xnfalloc(strlen("/etc/X11") + 1 +
+			      strlen(PROJECTROOT "/etc/X11") + 1 +
+			      (xf86ModulePath ? strlen(xf86ModulePath) : 0)
+				+ 1 +
+			      strlen(GETCONFIG_DIR) + 1);
+	strcpy(searchPath, "/etc/X11," PROJECTROOT "/etc/X11,");
+	if (xf86ModulePath && *xf86ModulePath) {
+	    strcat(searchPath, xf86ModulePath);
+	    strcat(searchPath, ",");
+	}
+	strcat(searchPath, GETCONFIG_DIR);
+
+	ErrorF("xf86AutoConfig: Primary PCI is %d:%d:%d\n",
+	       info->bus, info->device, info->func);
+
+	snprintf(buf, sizeof(buf), "%s"
+#ifdef DEBUG
+		 " -D"
+#endif
+		 " -X %d"
+		 " -I %s"
+		 " -v 0x%04x -d 0x%04x -r 0x%02x -s 0x%04x"
+		 " -b 0x%04x -c 0x%04x",
+		 path,
+		 (unsigned int)xf86GetVersion(),
+		 searchPath,
+		 info->vendor, info->chipType, info->chipRev,
+		 info->subsysVendor, info->subsysCard,
+		 info->class << 8 | info->subclass);
+	ErrorF("Running \"%s\"\n", buf);
+	gp = Popen(buf, "r");
+	if (gp) {
+	    if (fgets(buf, sizeof(buf) - 1, gp)) {
+		buf[strlen(buf) - 1] = '\0';
+		tmp = strtok(buf, GETCONFIG_WHITESPACE);
+		if (tmp)
+		    driver = xnfstrdup(tmp);
+	    }
+	}
+	xfree(path);
+	xfree(searchPath);
+    }
+
+    AppendToConfig(BUILTIN_MODULE_SECTION);
+    AppendToConfig(BUILTIN_MONITOR_SECTION);
+
+    if (driver) {
+	snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION_PRE,
+		 driver, 0, driver);
+	AppendToConfig(buf);
+	ErrorF("New driver is \"%s\"\n", driver);
+	buf[0] = '\t';
+	while (fgets(buf + 1, sizeof(buf) - 2, gp)) {
+	    AppendToConfig(buf);
+	    ErrorF("Extra line: %s", buf);
+	}
+	AppendToConfig(BUILTIN_DEVICE_SECTION_POST);
+	snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION,
+		 driver, 0, driver, 0);
+	AppendToConfig(buf);
+    }
+
+    if (gp)
+	Pclose(gp);
+
+    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);
+    if (driver) {
+	snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, driver, 0);
+	AppendToConfig(buf);
+    }
+    for (p = deviceList; *p; p++) {
+	snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, *p, 0);
+	AppendToConfig(buf);
+    }
+    AppendToConfig(BUILTIN_LAYOUT_SECTION_POST);
+
+#ifdef BUILTIN_EXTRA
+    AppendToConfig(BUILTIN_EXTRA);
+#endif
+
+    if (driver)
+	xfree(driver);
+
+    xf86MsgVerb(X_DEFAULT, 0,
+		"Using default built-in configuration (%d lines)\n",
+		builtinLines);
+
+    xf86MsgVerb(X_DEFAULT, 3, "--- Start of built-in configuration ---\n");
+    for (p = builtinConfig; *p; p++)
+	xf86ErrorFVerb(3, "\t%s", *p);
+    xf86MsgVerb(X_DEFAULT, 3, "--- End of built-in configuration ---\n");
+    
+    xf86setBuiltinConfig(builtinConfig);
+    ret = xf86HandleConfigFile(TRUE);
+    FreeConfig();
+    switch(ret) {
+    case CONFIG_OK:
+	return TRUE;
+    default:
+	xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n");
+	return FALSE;
+    }
+}
+