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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86AutoConfig.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86AutoConfig.c1173
1 files changed, 587 insertions, 586 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86AutoConfig.c b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
index 1c4595e36..787e738d2 100644
--- a/xorg-server/hw/xfree86/common/xf86AutoConfig.c
+++ b/xorg-server/hw/xfree86/common/xf86AutoConfig.c
@@ -1,586 +1,587 @@
-/*
- * 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 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
- }
-}
-
-static char*
-chooseVideoDriver(void)
-{
- char *chosen_driver = NULL;
- int i;
- char *matches[20]; /* If we have more than 20 drivers we're in trouble */
-
- listPossibleVideoDrivers(matches, 20);
-
- /* TODO Handle multiple drivers claiming to support the same PCI ID */
- chosen_driver = matches[0];
-
- xf86Msg(X_DEFAULT, "Matched %s for the autoconfigured driver\n",
- chosen_driver);
-
- for (i = 0; matches[i] ; i++) {
- if (matches[i] != chosen_driver) {
- xfree(matches[i]);
- }
- }
-
- return chosen_driver;
-}
-
-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 = 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) {
- 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;
-}
+/*
+ * 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
+ }
+}
+
+static char*
+chooseVideoDriver(void)
+{
+ char *chosen_driver = NULL;
+ int i;
+ char *matches[20]; /* If we have more than 20 drivers we're in trouble */
+
+ listPossibleVideoDrivers(matches, 20);
+
+ /* TODO Handle multiple drivers claiming to support the same PCI ID */
+ chosen_driver = matches[0];
+
+ xf86Msg(X_DEFAULT, "Matched %s for the autoconfigured driver\n",
+ chosen_driver);
+
+ for (i = 0; matches[i] ; i++) {
+ if (matches[i] != chosen_driver) {
+ xfree(matches[i]);
+ }
+ }
+
+ return chosen_driver;
+}
+
+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 = 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) {
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 13:26:57 +0000