369 lines
9.1 KiB
C
369 lines
9.1 KiB
C
/* $DHD: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.15 2003/09/24 19:39:36 dawes Exp $ */
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/* $XdotOrg: $ */
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/*
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* Copyright 2003 by David H. Dawes.
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* Copyright 2003 by X-Oz Technologies.
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*
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* Author: David Dawes <dawes@XFree86.Org>.
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*/
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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86AutoConfig.c,v 1.2 2003/11/03 05:11:01 tsi Exp $ */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf86.h"
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#include "xf86Parser.h"
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#include "xf86tokens.h"
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#include "xf86Config.h"
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#include "xf86Priv.h"
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#include "xf86_OSlib.h"
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/*
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* Sections for the default built-in configuration.
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*/
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#define BUILTIN_MODULE_SECTION \
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"Section \"Module\"\n" \
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"\tLoad\t\"extmod\"\n" \
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"\tLoad\t\"dbe\"\n" \
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"\tLoad\t\"glx\"\n" \
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"\tLoad\t\"freetype\"\n" \
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"EndSection\n\n"
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#define BUILTIN_DEVICE_NAME \
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"\"Builtin Default %s Device %d\""
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#define BUILTIN_DEVICE_SECTION_PRE \
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"Section \"Device\"\n" \
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"\tIdentifier\t" BUILTIN_DEVICE_NAME "\n" \
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"\tDriver\t\"%s\"\n"
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#define BUILTIN_DEVICE_SECTION_POST \
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"EndSection\n\n"
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#define BUILTIN_DEVICE_SECTION \
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BUILTIN_DEVICE_SECTION_PRE \
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BUILTIN_DEVICE_SECTION_POST
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#define BUILTIN_MONITOR_NAME \
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"\"Builtin Default Monitor\""
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#define BUILTIN_MONITOR_SECTION \
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"Section \"Monitor\"\n" \
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"\tIdentifier\t" BUILTIN_MONITOR_NAME "\n" \
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"\tOption\t\"TargetRefresh\"\t\"75.0\"\n" \
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"EndSection\n\n"
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#define BUILTIN_SCREEN_NAME \
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"\"Builtin Default %s Screen %d\""
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#define BUILTIN_SCREEN_SECTION \
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"Section \"Screen\"\n" \
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"\tIdentifier\t" BUILTIN_SCREEN_NAME "\n" \
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"\tDevice\t" BUILTIN_DEVICE_NAME "\n" \
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"\tMonitor\t" BUILTIN_MONITOR_NAME "\n" \
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"EndSection\n\n"
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#define BUILTIN_LAYOUT_SECTION_PRE \
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"Section \"ServerLayout\"\n" \
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"\tIdentifier\t\"Builtin Default Layout\"\n"
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#define BUILTIN_LAYOUT_SCREEN_LINE \
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"\tScreen\t" BUILTIN_SCREEN_NAME "\n"
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#define BUILTIN_LAYOUT_SECTION_POST \
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"EndSection\n\n"
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#ifndef GET_CONFIG_CMD
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#define GET_CONFIG_CMD "getconfig"
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#endif
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#ifndef GETCONFIG_DIR
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#define GETCONFIG_DIR PROJECTROOT "/lib/X11/getconfig"
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#endif
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#define GETCONFIG_WHITESPACE " \t\n"
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static const char **builtinConfig = NULL;
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static int builtinLines = 0;
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static const char *deviceList[] = {
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"fbdev",
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"vesa",
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"vga",
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NULL
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};
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/*
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* A built-in config file is stored as an array of strings, with each string
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* representing a single line. AppendToConfig() breaks up the string "s"
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* into lines, and appends those lines it to builtinConfig.
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*/
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static void
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AppendToList(const char *s, const char ***list, int *lines)
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{
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char *str, *newstr, *p;
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str = xnfstrdup(s);
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for (p = strtok(str, "\n"); p; p = strtok(NULL, "\n")) {
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(*lines)++;
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*list = xnfrealloc(*list, (*lines + 1) * sizeof(**list));
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newstr = xnfalloc(strlen(p) + 2);
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strcpy(newstr, p);
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strcat(newstr, "\n");
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(*list)[*lines - 1] = newstr;
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(*list)[*lines] = NULL;
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}
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xfree(str);
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}
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static void
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FreeList(const char ***list, int *lines)
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{
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int i;
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for (i = 0; i < *lines; i++) {
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if ((*list)[i])
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xfree((*list)[i]);
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}
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xfree(*list);
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*list = NULL;
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*lines = 0;
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}
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static void
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FreeConfig(void)
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{
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FreeList(&builtinConfig, &builtinLines);
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}
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static void
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AppendToConfig(const char *s)
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{
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AppendToList(s, &builtinConfig, &builtinLines);
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}
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Bool
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xf86AutoConfig(void)
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{
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const char **p;
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char buf[1024];
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pciVideoPtr *pciptr, info = NULL;
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char *driver = NULL;
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FILE *gp = NULL;
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ConfigStatus ret;
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/* Find the primary device, and get some information about it. */
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if (xf86PciVideoInfo) {
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for (pciptr = xf86PciVideoInfo; (info = *pciptr); pciptr++) {
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if (xf86IsPrimaryPci(info)) {
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break;
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}
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}
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if (!info) {
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ErrorF("Primary device is not PCI\n");
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}
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} else {
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ErrorF("xf86PciVideoInfo is not set\n");
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}
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if (info) {
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char *tmp;
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char *path = NULL, *a, *b;
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char *searchPath = NULL;
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/*
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* Look for the getconfig program first in the xf86ModulePath
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* directories, then in GETCONFIG_DIR, then in BINDIR. If it
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* isn't found in any of those locations, just use the normal
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* search path.
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*/
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if (xf86ModulePath) {
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a = xnfstrdup(xf86ModulePath);
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b = strtok(a, ",");
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while (b) {
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path = xnfrealloc(path,
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strlen(b) + 1 + strlen(GET_CONFIG_CMD) + 1);
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sprintf(path, "%s/%s", b, GET_CONFIG_CMD);
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if (access(path, X_OK) == 0)
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break;
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b = strtok(NULL, ",");
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}
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if (!b) {
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xfree(path);
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path = NULL;
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}
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xfree(a);
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}
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if (!path) {
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path = xnfstrdup(GETCONFIG_DIR "/" GET_CONFIG_CMD);
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if (access(path, X_OK) != 0) {
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xfree(path);
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path = NULL;
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}
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}
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#ifdef BINDIR
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if (!path) {
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path = xnfstrdup(BINDIR "/" GET_CONFIG_CMD);
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if (access(path, X_OK) != 0) {
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xfree(path);
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path = NULL;
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}
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}
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#endif
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if (!path)
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path = xnfstrdup(GET_CONFIG_CMD);
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/*
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* Build up the config file directory search path:
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*
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* /etc/X11
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* PROJECTROOT/etc/X11
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* xf86ModulePath
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* PROJECTROOT/lib/X11/getconfig (GETCONFIG_DIR)
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*/
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searchPath = xnfalloc(strlen("/etc/X11") + 1 +
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strlen(PROJECTROOT "/etc/X11") + 1 +
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(xf86ModulePath ? strlen(xf86ModulePath) : 0)
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+ 1 +
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strlen(GETCONFIG_DIR) + 1);
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strcpy(searchPath, "/etc/X11," PROJECTROOT "/etc/X11,");
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if (xf86ModulePath && *xf86ModulePath) {
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strcat(searchPath, xf86ModulePath);
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strcat(searchPath, ",");
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}
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strcat(searchPath, GETCONFIG_DIR);
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ErrorF("xf86AutoConfig: Primary PCI is %d:%d:%d\n",
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info->bus, info->device, info->func);
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snprintf(buf, sizeof(buf), "%s"
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#ifdef DEBUG
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" -D"
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#endif
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" -X %d"
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" -I %s"
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" -v 0x%04x -d 0x%04x -r 0x%02x -s 0x%04x"
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" -b 0x%04x -c 0x%04x",
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path,
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(unsigned int)xorgGetVersion(),
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searchPath,
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info->vendor, info->chipType, info->chipRev,
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info->subsysVendor, info->subsysCard,
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info->class << 8 | info->subclass);
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ErrorF("Running \"%s\"\n", buf);
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gp = Popen(buf, "r");
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if (gp) {
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if (fgets(buf, sizeof(buf) - 1, gp)) {
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buf[strlen(buf) - 1] = '\0';
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tmp = strtok(buf, GETCONFIG_WHITESPACE);
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if (tmp)
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driver = xnfstrdup(tmp);
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}
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}
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xfree(path);
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xfree(searchPath);
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}
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AppendToConfig(BUILTIN_MODULE_SECTION);
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AppendToConfig(BUILTIN_MONITOR_SECTION);
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if (driver) {
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snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION_PRE,
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driver, 0, driver);
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AppendToConfig(buf);
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ErrorF("New driver is \"%s\"\n", driver);
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buf[0] = '\t';
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while (fgets(buf + 1, sizeof(buf) - 2, gp)) {
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AppendToConfig(buf);
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ErrorF("Extra line: %s", buf);
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}
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AppendToConfig(BUILTIN_DEVICE_SECTION_POST);
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snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION,
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driver, 0, driver, 0);
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AppendToConfig(buf);
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}
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if (gp)
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Pclose(gp);
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for (p = deviceList; *p; p++) {
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snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION, *p, 0, *p);
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AppendToConfig(buf);
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snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION, *p, 0, *p, 0);
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AppendToConfig(buf);
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}
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AppendToConfig(BUILTIN_LAYOUT_SECTION_PRE);
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if (driver) {
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snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, driver, 0);
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AppendToConfig(buf);
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}
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for (p = deviceList; *p; p++) {
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snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, *p, 0);
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AppendToConfig(buf);
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}
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AppendToConfig(BUILTIN_LAYOUT_SECTION_POST);
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#ifdef BUILTIN_EXTRA
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AppendToConfig(BUILTIN_EXTRA);
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#endif
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if (driver)
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xfree(driver);
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xf86MsgVerb(X_DEFAULT, 0,
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"Using default built-in configuration (%d lines)\n",
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builtinLines);
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xf86MsgVerb(X_DEFAULT, 3, "--- Start of built-in configuration ---\n");
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for (p = builtinConfig; *p; p++)
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xf86ErrorFVerb(3, "\t%s", *p);
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xf86MsgVerb(X_DEFAULT, 3, "--- End of built-in configuration ---\n");
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xf86setBuiltinConfig(builtinConfig);
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ret = xf86HandleConfigFile(TRUE);
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FreeConfig();
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switch(ret) {
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case CONFIG_OK:
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return TRUE;
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default:
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xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n");
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return FALSE;
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}
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}
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