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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/common/xf86AutoConfig.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86AutoConfig.c')
-rw-r--r-- | xorg-server/hw/xfree86/common/xf86AutoConfig.c | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86AutoConfig.c b/xorg-server/hw/xfree86/common/xf86AutoConfig.c new file mode 100644 index 000000000..7e5fab412 --- /dev/null +++ b/xorg-server/hw/xfree86/common/xf86AutoConfig.c @@ -0,0 +1,478 @@ +/* + * 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" +#include "dirent.h" + +/* 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 const char *deviceList[] = { + "fbdev", + "vesa", + 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); +} + +static const char * +videoPtrToDriverName(struct pci_device *dev) +{ + /* + * things not handled yet: + * cyrix/nsc. should be merged into geode anyway. + * xgi. + */ + + switch (dev->vendor_id) + { + case 0x1022: + if (dev->device_id == 0x2081) + return "geode"; + else + return NULL; + case 0x1142: return "apm"; + case 0xedd8: return "ark"; + case 0x1a03: return "ast"; + case 0x1002: return "ati"; + case 0x102c: return "chips"; + case 0x1013: return "cirrus"; + case 0x8086: + if ((dev->device_id == 0x00d1) || (dev->device_id == 0x7800)) + return "i740"; + else return "intel"; + case 0x102b: return "mga"; + case 0x10c8: return "neomagic"; + case 0x105d: return "i128"; + case 0x10de: case 0x12d2: return "nv"; + case 0x1163: return "rendition"; + case 0x5333: + switch (dev->device_id) + { + case 0x88d0: case 0x88d1: case 0x88f0: case 0x8811: + case 0x8812: case 0x8814: case 0x8901: + return "s3"; + case 0x5631: case 0x883d: case 0x8a01: case 0x8a10: + case 0x8c01: case 0x8c03: case 0x8904: case 0x8a13: + return "s3virge"; + default: + return "savage"; + } + case 0x1039: return "sis"; + case 0x126f: return "siliconmotion"; + case 0x121a: + if (dev->device_id < 0x0003) + return "voodoo"; + else + return "tdfx"; + case 0x3d3d: return "glint"; + case 0x1023: return "trident"; + case 0x100c: return "tseng"; + case 0x1106: return "openchrome"; + case 0x15ad: return "vmware"; + default: break; + } + return NULL; +} + +Bool +xf86AutoConfig(void) +{ + const char **p; + char buf[1024]; + const char *driver = NULL; + ConfigStatus ret; + + driver = chooseVideoDriver(); + + 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'; + AppendToConfig(BUILTIN_DEVICE_SECTION_POST); + snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION, + driver, 0, driver, 0); + AppendToConfig(buf); + } + + 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); + + 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(); + + if (ret != CONFIG_OK) + xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n"); + + return (ret == CONFIG_OK); +} + +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; +} + +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 = (GDevPtr)xalloc(sizeof(GDevRec)); + if (!ptr) { + return NULL; + } + memset((GDevPtr)ptr, 0, sizeof(GDevRec)); + 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; +} + +#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__ */ + +char* +chooseVideoDriver(void) +{ + struct pci_device * info = NULL; + struct pci_device_iterator *iter; + char *chosen_driver = NULL; + int i; + char *matches[20]; /* If we have more than 20 drivers we're in trouble */ + + for (i=0 ; i<20 ; i++) + matches[i] = NULL; + + /* 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__ */ + + /* TODO Handle multiple drivers claiming to support the same PCI ID */ + if (matches[0]) { + chosen_driver = matches[0]; + } else { + if (info != NULL) + chosen_driver = videoPtrToDriverName(info); + if (chosen_driver == NULL) { +#if defined __i386__ || defined __amd64__ || defined __x86_64__ || defined __hurd__ + chosen_driver = "vesa"; +#elif defined __sparc__ + chosen_driver = "sunffb"; +#else + chosen_driver = "fbdev"; +#endif + } + } + + xf86Msg(X_DEFAULT, "Matched %s for the autoconfigured driver\n", chosen_driver); + + i = 0; + while (matches[i]) { + if (matches[i] != chosen_driver) { + xfree(matches[i]); + } + i++; + } + + return chosen_driver; +} |