586 lines
17 KiB
C
586 lines
17 KiB
C
/*
|
|
* 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");
|
|
|
|
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;
|
|
}
|