xserver-multidpi/hw/xfree86/common/xf86AutoConfig.c
Soeren Sandmann 0b73f98cbd xfree86: Add qxl driver to the autoconfig logic
The qxl driver is for the QXL virtualized graphics device.

Signed-off-by: Søren Sandmann Pedersen <ssp@redhat.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
2010-02-12 14:48:11 -08:00

588 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 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;
}