diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c new file mode 100644 index 000000000..36e400cd1 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c @@ -0,0 +1,368 @@ +/* $DHD: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.15 2003/09/24 19:39:36 dawes Exp $ */ +/* $XdotOrg: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.4 2005/08/23 20:12:26 alanc 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 $ */ + +#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" + +/* + * 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 GETCONFIG_DIR, 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); + } + + if (!path) { + path = xnfstrdup(GETCONFIG_DIR "/" GET_CONFIG_CMD); + if (access(path, X_OK) != 0) { + xfree(path); + path = NULL; + } + } + +#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)xorgGetVersion(), + 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; + } +} + |