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592b20c517
xserver-multidpi/hw/xfree86/common/xf86Init.c
Dan Nicholson 592b20c517 xfree86: Allow config directory to be specified on command line 
Add a new command line parameter, -configdir, to specify the config
directory to be used. Rules are the same as -config for root vs. user
privileges.

Signed-off-by: Dan Nicholson <dbn.lists@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>
2009-12-22 23:20:52 -08:00

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/*
* Loosely based on code bearing the following copyright:
*
* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
*/
/*
* Copyright (c) 1992-2003 by The XFree86 Project, Inc.
*
* 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).
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <stdlib.h>
#include <errno.h>
#undef HAS_UTSNAME
#if !defined(WIN32)
#define HAS_UTSNAME 1
#include <sys/utsname.h>
#endif
#include <X11/X.h>
#include <X11/Xmd.h>
#include <X11/Xproto.h>
#include <X11/Xatom.h>
#include "input.h"
#include "servermd.h"
#include "windowstr.h"
#include "scrnintstr.h"
#include "site.h"
#include "mi.h"
#include "compiler.h"
#include "loaderProcs.h"
#ifdef XFreeXDGA
#include "dgaproc.h"
#endif
#define XF86_OS_PRIVS
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Config.h"
#include "xf86_OSlib.h"
#include "xorgVersion.h"
#include "xf86Build.h"
#include "mipointer.h"
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include "xf86DDC.h"
#include "xf86Xinput.h"
#include "xf86InPriv.h"
#ifdef RENDER
#include "picturestr.h"
#endif
#include "xf86VGAarbiter.h"
#include "globals.h"
#ifdef DPMSExtension
#include <X11/extensions/dpmsconst.h>
#include "dpmsproc.h"
#endif
#include <pciaccess.h>
#include "Pci.h"
#include "xf86Bus.h"
/* forward declarations */
static Bool probe_devices_from_device_sections(DriverPtr drvp);
static Bool add_matching_devices_to_configure_list(DriverPtr drvp);
#ifdef XF86PM
void (*xf86OSPMClose)(void) = NULL;
#endif
static Bool xorgHWOpenConsole = FALSE;
/* Common pixmap formats */
static PixmapFormatRec formats[MAXFORMATS] = {
{ 1, 1, BITMAP_SCANLINE_PAD },
{ 4, 8, BITMAP_SCANLINE_PAD },
{ 8, 8, BITMAP_SCANLINE_PAD },
{ 15, 16, BITMAP_SCANLINE_PAD },
{ 16, 16, BITMAP_SCANLINE_PAD },
{ 24, 32, BITMAP_SCANLINE_PAD },
#ifdef RENDER
{ 32, 32, BITMAP_SCANLINE_PAD },
#endif
};
#ifdef RENDER
static int numFormats = 7;
#else
static int numFormats = 6;
#endif
static Bool formatsDone = FALSE;
#ifndef OSNAME
#define OSNAME " unknown"
#endif
#ifndef OSVENDOR
#define OSVENDOR ""
#endif
#ifndef PRE_RELEASE
#define PRE_RELEASE XORG_VERSION_SNAP
#endif
static void
xf86PrintBanner(void)
{
#if PRE_RELEASE
xf86ErrorFVerb(0, "\n"
"This is a pre-release version of the X server from " XVENDORNAME ".\n"
"It is not supported in any way.\n"
"Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.\n"
"Select the \"xorg\" product for bugs you find in this release.\n"
"Before reporting bugs in pre-release versions please check the\n"
"latest version in the X.Org Foundation git repository.\n"
"See http://wiki.x.org/wiki/GitPage for git access instructions.\n");
#endif
xf86ErrorFVerb(0, "\nX.Org X Server %d.%d.%d",
XORG_VERSION_MAJOR,
XORG_VERSION_MINOR,
XORG_VERSION_PATCH);
#if XORG_VERSION_SNAP > 0
xf86ErrorFVerb(0, ".%d", XORG_VERSION_SNAP);
#endif
#if XORG_VERSION_SNAP >= 900
/* When the minor number is 99, that signifies that the we are making
* a release candidate for a major version. (X.0.0)
* When the patch number is 99, that signifies that the we are making
* a release candidate for a minor version. (X.Y.0)
* When the patch number is < 99, then we are making a release
* candidate for the next point release. (X.Y.Z)
*/
#if XORG_VERSION_MINOR >= 99
xf86ErrorFVerb(0, " (%d.0.0 RC %d)", XORG_VERSION_MAJOR+1,
XORG_VERSION_SNAP - 900);
#elif XORG_VERSION_PATCH == 99
xf86ErrorFVerb(0, " (%d.%d.0 RC %d)", XORG_VERSION_MAJOR,
XORG_VERSION_MINOR + 1, XORG_VERSION_SNAP - 900);
#else
xf86ErrorFVerb(0, " (%d.%d.%d RC %d)", XORG_VERSION_MAJOR,
XORG_VERSION_MINOR, XORG_VERSION_PATCH + 1,
XORG_VERSION_SNAP - 900);
#endif
#endif
#ifdef XORG_CUSTOM_VERSION
xf86ErrorFVerb(0, " (%s)", XORG_CUSTOM_VERSION);
#endif
#ifndef XORG_DATE
# define XORG_DATE "Unknown"
#endif
xf86ErrorFVerb(0, "\nRelease Date: %s\n", XORG_DATE);
xf86ErrorFVerb(0, "X Protocol Version %d, Revision %d\n",
X_PROTOCOL, X_PROTOCOL_REVISION);
xf86ErrorFVerb(0, "Build Operating System: %s %s\n", OSNAME, OSVENDOR);
#ifdef HAS_UTSNAME
{
struct utsname name;
/* Linux & BSD state that 0 is success, SysV (including Solaris, HP-UX,
and Irix) and Single Unix Spec 3 just say that non-negative is success.
All agree that failure is represented by a negative number.
*/
if (uname(&name) >= 0) {
xf86ErrorFVerb(0, "Current Operating System: %s %s %s %s %s\n",
name.sysname, name.nodename, name.release, name.version, name.machine);
#ifdef linux
do {
char buf[80];
int fd = open("/proc/cmdline", O_RDONLY);
if (fd != -1) {
xf86ErrorFVerb(0, "Kernel command line: ");
memset(buf, 0, 80);
while (read(fd, buf, 80) > 0) {
xf86ErrorFVerb(0, "%.80s", buf);
memset(buf, 0, 80);
}
close(fd);
}
} while (0);
#endif
}
}
#endif
#if defined(BUILD_DATE) && (BUILD_DATE > 19000000)
{
struct tm t;
char buf[100];
bzero(&t, sizeof(t));
bzero(buf, sizeof(buf));
t.tm_mday = BUILD_DATE % 100;
t.tm_mon = (BUILD_DATE / 100) % 100 - 1;
t.tm_year = BUILD_DATE / 10000 - 1900;
#if defined(BUILD_TIME)
t.tm_sec = BUILD_TIME % 100;
t.tm_min = (BUILD_TIME / 100) % 100;
t.tm_hour = (BUILD_TIME / 10000) % 100;
if (strftime(buf, sizeof(buf), "%d %B %Y %I:%M:%S%p", &t))
xf86ErrorFVerb(0, "Build Date: %s\n", buf);
#else
if (strftime(buf, sizeof(buf), "%d %B %Y", &t))
xf86ErrorFVerb(0, "Build Date: %s\n", buf);
#endif
}
#endif
#if defined(BUILDERSTRING)
xf86ErrorFVerb(0, "%s \n", BUILDERSTRING);
#endif
xf86ErrorFVerb(0, "Current version of pixman: %s\n",
pixman_version_string());
xf86ErrorFVerb(0, "\tBefore reporting problems, check "
""__VENDORDWEBSUPPORT__"\n"
"\tto make sure that you have the latest version.\n");
}
static void
xf86PrintMarkers(void)
{
LogPrintMarkers();
}
static Bool
xf86CreateRootWindow(WindowPtr pWin)
{
int ret = TRUE;
int err = Success;
ScreenPtr pScreen = pWin->drawable.pScreen;
RootWinPropPtr pProp;
CreateWindowProcPtr CreateWindow = (CreateWindowProcPtr)
dixLookupPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey);
DebugF("xf86CreateRootWindow(%p)\n", pWin);
if ( pScreen->CreateWindow != xf86CreateRootWindow ) {
/* Can't find hook we are hung on */
xf86DrvMsg(pScreen->myNum, X_WARNING /* X_ERROR */,
"xf86CreateRootWindow %p called when not in pScreen->CreateWindow %p n",
(void *)xf86CreateRootWindow,
(void *)pScreen->CreateWindow );
}
/* Unhook this function ... */
pScreen->CreateWindow = CreateWindow;
dixSetPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey, NULL);
/* ... and call the previous CreateWindow fuction, if any */
if (NULL!=pScreen->CreateWindow) {
ret = (*pScreen->CreateWindow)(pWin);
}
/* Now do our stuff */
if (xf86RegisteredPropertiesTable != NULL) {
if (pWin->parent == NULL && xf86RegisteredPropertiesTable != NULL) {
for (pProp = xf86RegisteredPropertiesTable[pScreen->myNum];
pProp != NULL && err==Success;
pProp = pProp->next )
{
Atom prop;
prop = MakeAtom(pProp->name, strlen(pProp->name), TRUE);
err = dixChangeWindowProperty(serverClient, pWin,
prop, pProp->type,
pProp->format, PropModeReplace,
pProp->size, pProp->data,
FALSE);
}
/* Look at err */
ret &= (err==Success);
} else {
xf86Msg(X_ERROR, "xf86CreateRootWindow unexpectedly called with "
"non-root window %p (parent %p)\n",
(void *)pWin, (void *)pWin->parent);
ret = FALSE;
}
}
DebugF("xf86CreateRootWindow() returns %d\n", ret);
return (ret);
}
static void
InstallSignalHandlers(void)
{
/*
* Install signal handler for unexpected signals
*/
xf86Info.caughtSignal=FALSE;
if (!xf86Info.notrapSignals) {
OsRegisterSigWrapper(xf86SigWrapper);
} else {
signal(SIGSEGV, SIG_DFL);
signal(SIGILL, SIG_DFL);
#ifdef SIGEMT
signal(SIGEMT, SIG_DFL);
#endif
signal(SIGFPE, SIG_DFL);
#ifdef SIGBUS
signal(SIGBUS, SIG_DFL);
#endif
#ifdef SIGSYS
signal(SIGSYS, SIG_DFL);
#endif
#ifdef SIGXCPU
signal(SIGXCPU, SIG_DFL);
#endif
#ifdef SIGXFSZ
signal(SIGXFSZ, SIG_DFL);
#endif
}
}
#define END_OF_MATCHES(m) \
(((m).vendor_id == 0) && ((m).device_id == 0) && ((m).subvendor_id == 0))
Bool
probe_devices_from_device_sections(DriverPtr drvp)
{
int i, j;
struct pci_device * pPci;
Bool foundScreen = FALSE;
const struct pci_id_match * const devices = drvp->supported_devices;
GDevPtr *devList;
const unsigned numDevs = xf86MatchDevice(drvp->driverName, & devList);
for ( i = 0 ; i < numDevs ; i++ ) {
struct pci_device_iterator *iter;
unsigned device_id;
/* Find the pciVideoRec associated with this device section.
*/
iter = pci_id_match_iterator_create(NULL);
while ((pPci = pci_device_next(iter)) != NULL) {
if (devList[i]->busID && *devList[i]->busID) {
if (xf86ComparePciBusString(devList[i]->busID,
((pPci->domain << 8)
| pPci->bus),
pPci->dev,
pPci->func)) {
break;
}
}
else if (xf86IsPrimaryPci(pPci)) {
break;
}
}
pci_iterator_destroy(iter);
if (pPci == NULL) {
continue;
}
device_id = (devList[i]->chipID > 0)
? devList[i]->chipID : pPci->device_id;
/* Once the pciVideoRec is found, determine if the device is supported
* by the driver. If it is, probe it!
*/
for ( j = 0 ; ! END_OF_MATCHES( devices[j] ) ; j++ ) {
if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id )
&& PCI_ID_COMPARE( devices[j].device_id, device_id )
&& ((devices[j].device_class_mask & pPci->device_class)
== devices[j].device_class) ) {
int entry;
/* Allow the same entity to be used more than once for
* devices with multiple screens per entity. This assumes
* implicitly that there will be a screen == 0 instance.
*
* FIXME Need to make sure that two different drivers don't
* FIXME claim the same screen > 0 instance.
*/
if ( (devList[i]->screen == 0) && !xf86CheckPciSlot( pPci ) )
continue;
DebugF("%s: card at %d:%d:%d is claimed by a Device section\n",
drvp->driverName, pPci->bus, pPci->dev, pPci->func);
/* Allocate an entry in the lists to be returned */
entry = xf86ClaimPciSlot(pPci, drvp, device_id,
devList[i], devList[i]->active);
if ((entry == -1) && (devList[i]->screen > 0)) {
unsigned k;
for ( k = 0; k < xf86NumEntities; k++ ) {
EntityPtr pEnt = xf86Entities[k];
if (pEnt->bus.type != BUS_PCI)
continue;
if (pEnt->bus.id.pci == pPci) {
entry = k;
xf86AddDevToEntity(k, devList[i]);
break;
}
}
}
if (entry != -1) {
if ((*drvp->PciProbe)(drvp, entry, pPci,
devices[j].match_data)) {
foundScreen = TRUE;
} else
xf86UnclaimPciSlot(pPci);
}
break;
}
}
}
xfree(devList);
return foundScreen;
}
Bool
add_matching_devices_to_configure_list(DriverPtr drvp)
{
const struct pci_id_match * const devices = drvp->supported_devices;
int j;
struct pci_device *pPci;
struct pci_device_iterator *iter;
int numFound = 0;
iter = pci_id_match_iterator_create(NULL);
while ((pPci = pci_device_next(iter)) != NULL) {
/* Determine if this device is supported by the driver. If it is,
* add it to the list of devices to configure.
*/
for (j = 0 ; ! END_OF_MATCHES(devices[j]) ; j++) {
if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id )
&& PCI_ID_COMPARE( devices[j].device_id, pPci->device_id )
&& ((devices[j].device_class_mask & pPci->device_class)
== devices[j].device_class) ) {
if (xf86CheckPciSlot(pPci)) {
GDevPtr pGDev = xf86AddBusDeviceToConfigure(
drvp->driverName, BUS_PCI, pPci, -1);
if (pGDev != NULL) {
/* After configure pass 1, chipID and chipRev are
* treated as over-rides, so clobber them here.
*/
pGDev->chipID = -1;
pGDev->chipRev = -1;
}
numFound++;
}
break;
}
}
}
pci_iterator_destroy(iter);
return (numFound != 0);
}
/**
* Call the driver's correct probe function.
*
* If the driver implements the \c DriverRec::PciProbe entry-point and an
* appropriate PCI device (with matching Device section in the xorg.conf file)
* is found, it is called. If \c DriverRec::PciProbe or no devices can be
* successfully probed with it (e.g., only non-PCI devices are available),
* the driver's \c DriverRec::Probe function is called.
*
* \param drv Driver to probe
*
* \return
* If a device can be successfully probed by the driver, \c TRUE is
* returned. Otherwise, \c FALSE is returned.
*/
Bool
xf86CallDriverProbe( DriverPtr drv, Bool detect_only )
{
Bool foundScreen = FALSE;
if ( drv->PciProbe != NULL ) {
if ( xf86DoConfigure && xf86DoConfigurePass1 ) {
assert( detect_only );
foundScreen = add_matching_devices_to_configure_list( drv );
}
else {
assert( ! detect_only );
foundScreen = probe_devices_from_device_sections( drv );
}
}
if ( ! foundScreen && (drv->Probe != NULL) ) {
xf86Msg( X_WARNING, "Falling back to old probe method for %s\n",
drv->driverName );
foundScreen = (*drv->Probe)( drv, (detect_only) ? PROBE_DETECT
: PROBE_DEFAULT );
}
return foundScreen;
}
/*
* InitOutput --
* Initialize screenInfo for all actually accessible framebuffers.
* That includes vt-manager setup, querying all possible devices and
* collecting the pixmap formats.
*/
void
InitOutput(ScreenInfo *pScreenInfo, int argc, char **argv)
{
int i, j, k, scr_index;
char **modulelist;
pointer *optionlist;
screenLayoutPtr layout;
Pix24Flags screenpix24, pix24;
MessageType pix24From = X_DEFAULT;
Bool pix24Fail = FALSE;
Bool autoconfig = FALSE;
GDevPtr configured_device;
xf86Initialising = TRUE;
if (serverGeneration == 1) {
pScreenInfo->numScreens = 0;
if ((xf86ServerName = strrchr(argv[0], '/')) != 0)
xf86ServerName++;
else
xf86ServerName = argv[0];
xf86PrintBanner();
xf86PrintMarkers();
if (xf86LogFile) {
time_t t;
const char *ct;
t = time(NULL);
ct = ctime(&t);
xf86MsgVerb(xf86LogFileFrom, 0, "Log file: \"%s\", Time: %s",
xf86LogFile, ct);
}
/* Read and parse the config file */
if (!xf86DoConfigure && !xf86DoShowOptions) {
switch (xf86HandleConfigFile(FALSE)) {
case CONFIG_OK:
break;
case CONFIG_PARSE_ERROR:
xf86Msg(X_ERROR, "Error parsing the config file\n");
return;
case CONFIG_NOFILE:
autoconfig = TRUE;
break;
}
}
InstallSignalHandlers();
/* Initialise the loader */
LoaderInit();
/* Tell the loader the default module search path */
LoaderSetPath(xf86ModulePath);
if (xf86Info.ignoreABI) {
LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL);
}
if (xf86DoShowOptions)
DoShowOptions();
/* Do a general bus probe. This will be a PCI probe for x86 platforms */
xf86BusProbe();
if (xf86DoConfigure)
DoConfigure();
if (autoconfig) {
if (!xf86AutoConfig()) {
xf86Msg(X_ERROR, "Auto configuration failed\n");
return;
}
}
#ifdef XF86PM
xf86OSPMClose = xf86OSPMOpen();
#endif
/* Load all modules specified explicitly in the config file */
if ((modulelist = xf86ModulelistFromConfig(&optionlist))) {
xf86LoadModules(modulelist, optionlist);
xfree(modulelist);
xfree(optionlist);
}
/* Load all driver modules specified in the config file */
/* If there aren't any specified in the config file, autoconfig them */
/* FIXME: Does not handle multiple active screen sections, but I'm not
* sure if we really want to handle that case*/
configured_device = xf86ConfigLayout.screens->screen->device;
if ((!configured_device) || (!configured_device->driver)) {
if (!autoConfigDevice(configured_device)) {
xf86Msg(X_ERROR, "Automatic driver configuration failed\n");
return ;
}
}
if ((modulelist = xf86DriverlistFromConfig())) {
xf86LoadModules(modulelist, NULL);
xfree(modulelist);
}
/* Load all input driver modules specified in the config file. */
if ((modulelist = xf86InputDriverlistFromConfig())) {
xf86LoadModules(modulelist, NULL);
xfree(modulelist);
}
/*
* It is expected that xf86AddDriver()/xf86AddInputDriver will be
* called for each driver as it is loaded. Those functions save the
* module pointers for drivers.
* XXX Nothing keeps track of them for other modules.
*/
/* XXX What do we do if not all of these could be loaded? */
/*
* At this point, xf86DriverList[] is all filled in with entries for
* each of the drivers to try and xf86NumDrivers has the number of
* drivers. If there are none, return now.
*/
if (xf86NumDrivers == 0) {
xf86Msg(X_ERROR, "No drivers available.\n");
return;
}
/*
* Call each of the Identify functions and call the driverFunc to check
* if HW access is required. The Identify functions print out some
* identifying information, and anything else that might be
* needed at this early stage.
*/
for (i = 0; i < xf86NumDrivers; i++) {
if (xf86DriverList[i]->Identify != NULL)
xf86DriverList[i]->Identify(0);
if (!xorgHWAccess || !xorgHWOpenConsole) {
xorgHWFlags flags;
if(!xf86DriverList[i]->driverFunc
|| !xf86DriverList[i]->driverFunc(NULL,
GET_REQUIRED_HW_INTERFACES,
&flags))
flags = HW_IO;
if(NEED_IO_ENABLED(flags))
xorgHWAccess = TRUE;
if(!(flags & HW_SKIP_CONSOLE))
xorgHWOpenConsole = TRUE;
}
}
if (xorgHWOpenConsole)
xf86OpenConsole();
else
xf86Info.dontVTSwitch = TRUE;
/* Enable full I/O access */
if (xorgHWAccess)
xorgHWAccess = xf86EnableIO();
/*
* Locate bus slot that had register IO enabled at server startup
*/
if (xorgHWAccess) {
xf86AccessInit();
xf86FindPrimaryDevice();
}
/*
* Now call each of the Probe functions. Each successful probe will
* result in an extra entry added to the xf86Screens[] list for each
* instance of the hardware found.
*/
for (i = 0; i < xf86NumDrivers; i++) {
xorgHWFlags flags;
if (!xorgHWAccess) {
if (!xf86DriverList[i]->driverFunc
|| !xf86DriverList[i]->driverFunc(NULL,
GET_REQUIRED_HW_INTERFACES,
&flags)
|| NEED_IO_ENABLED(flags))
continue;
}
xf86CallDriverProbe( xf86DriverList[i], FALSE );
}
/*
* If nothing was detected, return now.
*/
if (xf86NumScreens == 0) {
xf86Msg(X_ERROR, "No devices detected.\n");
return;
}
xf86VGAarbiterInit();
/*
* Match up the screens found by the probes against those specified
* in the config file. Remove the ones that won't be used. Sort
* them in the order specified.
*/
/*
* What is the best way to do this?
*
* For now, go through the screens allocated by the probes, and
* look for screen config entry which refers to the same device
* section as picked out by the probe.
*
*/
for (i = 0; i < xf86NumScreens; i++) {
for (layout = xf86ConfigLayout.screens; layout->screen != NULL;
layout++) {
Bool found = FALSE;
for (j = 0; j < xf86Screens[i]->numEntities; j++) {
GDevPtr dev =
xf86GetDevFromEntity(xf86Screens[i]->entityList[j],
xf86Screens[i]->entityInstanceList[j]);
if (dev == layout->screen->device) {
/* A match has been found */
xf86Screens[i]->confScreen = layout->screen;
found = TRUE;
break;
}
}
if (found) break;
}
if (layout->screen == NULL) {
/* No match found */
xf86Msg(X_ERROR,
"Screen %d deleted because of no matching config section.\n", i);
xf86DeleteScreen(i--, 0);
}
}
/*
* If no screens left, return now.
*/
if (xf86NumScreens == 0) {
xf86Msg(X_ERROR,
"Device(s) detected, but none match those in the config file.\n");
return;
}
xf86PostProbe();
xf86EntityInit();
/*
* Sort the drivers to match the requested ording. Using a slow
* bubble sort.
*/
for (j = 0; j < xf86NumScreens - 1; j++) {
for (i = 0; i < xf86NumScreens - j - 1; i++) {
if (xf86Screens[i + 1]->confScreen->screennum <
xf86Screens[i]->confScreen->screennum) {
ScrnInfoPtr tmpScrn = xf86Screens[i + 1];
xf86Screens[i + 1] = xf86Screens[i];
xf86Screens[i] = tmpScrn;
}
}
}
/* Fix up the indexes */
for (i = 0; i < xf86NumScreens; i++) {
xf86Screens[i]->scrnIndex = i;
}
/*
* Call the driver's PreInit()'s to complete initialisation for the first
* generation.
*/
for (i = 0; i < xf86NumScreens; i++) {
xf86VGAarbiterScrnInit(xf86Screens[i]);
xf86VGAarbiterLock(xf86Screens[i]);
if (xf86Screens[i]->PreInit &&
xf86Screens[i]->PreInit(xf86Screens[i], 0))
xf86Screens[i]->configured = TRUE;
xf86VGAarbiterUnlock(xf86Screens[i]);
}
for (i = 0; i < xf86NumScreens; i++)
if (!xf86Screens[i]->configured)
xf86DeleteScreen(i--, 0);
/*
* If no screens left, return now.
*/
if (xf86NumScreens == 0) {
xf86Msg(X_ERROR,
"Screen(s) found, but none have a usable configuration.\n");
return;
}
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->name == NULL) {
xf86Screens[i]->name = xnfalloc(strlen("screen") + 10 + 1);
sprintf(xf86Screens[i]->name, "screen%d", i);
xf86MsgVerb(X_WARNING, 0,
"Screen driver %d has no name set, using `%s'.\n",
i, xf86Screens[i]->name);
}
}
/* Remove (unload) drivers that are not required */
for (i = 0; i < xf86NumDrivers; i++)
if (xf86DriverList[i] && xf86DriverList[i]->refCount <= 0)
xf86DeleteDriver(i);
/*
* At this stage we know how many screens there are.
*/
for (i = 0; i < xf86NumScreens; i++)
xf86InitViewport(xf86Screens[i]);
/*
* Collect all pixmap formats and check for conflicts at the display
* level. Should we die here? Or just delete the offending screens?
*/
screenpix24 = Pix24DontCare;
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->imageByteOrder !=
xf86Screens[0]->imageByteOrder)
FatalError("Inconsistent display bitmapBitOrder. Exiting\n");
if (xf86Screens[i]->bitmapScanlinePad !=
xf86Screens[0]->bitmapScanlinePad)
FatalError("Inconsistent display bitmapScanlinePad. Exiting\n");
if (xf86Screens[i]->bitmapScanlineUnit !=
xf86Screens[0]->bitmapScanlineUnit)
FatalError("Inconsistent display bitmapScanlineUnit. Exiting\n");
if (xf86Screens[i]->bitmapBitOrder !=
xf86Screens[0]->bitmapBitOrder)
FatalError("Inconsistent display bitmapBitOrder. Exiting\n");
/* Determine the depth 24 pixmap format the screens would like */
if (xf86Screens[i]->pixmap24 != Pix24DontCare) {
if (screenpix24 == Pix24DontCare)
screenpix24 = xf86Screens[i]->pixmap24;
else if (screenpix24 != xf86Screens[i]->pixmap24)
FatalError("Inconsistent depth 24 pixmap format. Exiting\n");
}
}
/* check if screenpix24 is consistent with the config/cmdline */
if (xf86Info.pixmap24 != Pix24DontCare) {
pix24 = xf86Info.pixmap24;
pix24From = xf86Info.pix24From;
if (screenpix24 != Pix24DontCare && screenpix24 != xf86Info.pixmap24)
pix24Fail = TRUE;
} else if (screenpix24 != Pix24DontCare) {
pix24 = screenpix24;
pix24From = X_PROBED;
} else
pix24 = Pix24Use32;
if (pix24Fail)
FatalError("Screen(s) can't use the required depth 24 pixmap format"
" (%d). Exiting\n", PIX24TOBPP(pix24));
/* Initialise the depth 24 format */
for (j = 0; j < numFormats && formats[j].depth != 24; j++)
;
formats[j].bitsPerPixel = PIX24TOBPP(pix24);
/* Collect additional formats */
for (i = 0; i < xf86NumScreens; i++) {
for (j = 0; j < xf86Screens[i]->numFormats; j++) {
for (k = 0; ; k++) {
if (k >= numFormats) {
if (k >= MAXFORMATS)
FatalError("Too many pixmap formats! Exiting\n");
formats[k] = xf86Screens[i]->formats[j];
numFormats++;
break;
}
if (formats[k].depth == xf86Screens[i]->formats[j].depth) {
if ((formats[k].bitsPerPixel ==
xf86Screens[i]->formats[j].bitsPerPixel) &&
(formats[k].scanlinePad ==
xf86Screens[i]->formats[j].scanlinePad))
break;
FatalError("Inconsistent pixmap format for depth %d."
" Exiting\n", formats[k].depth);
}
}
}
}
formatsDone = TRUE;
if (xf86Info.vtno >= 0 ) {
#define VT_ATOM_NAME "XFree86_VT"
Atom VTAtom=-1;
CARD32 *VT = NULL;
int ret;
/* This memory needs to stay available until the screen has been
initialized, and we can create the property for real.
*/
if ( (VT = xalloc(sizeof(CARD32)))==NULL ) {
FatalError("Unable to make VT property - out of memory. Exiting...\n");
}
*VT = xf86Info.vtno;
VTAtom = MakeAtom(VT_ATOM_NAME, sizeof(VT_ATOM_NAME) - 1, TRUE);
for (i = 0, ret = Success; i < xf86NumScreens && ret == Success; i++) {
ret = xf86RegisterRootWindowProperty(xf86Screens[i]->scrnIndex,
VTAtom, XA_INTEGER, 32,
1, VT );
if (ret != Success)
xf86DrvMsg(xf86Screens[i]->scrnIndex, X_WARNING,
"Failed to register VT property\n");
}
}
/* If a screen uses depth 24, show what the pixmap format is */
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->depth == 24) {
xf86Msg(pix24From, "Depth 24 pixmap format is %d bpp\n",
PIX24TOBPP(pix24));
break;
}
}
} else {
/*
* serverGeneration != 1; some OSs have to do things here, too.
*/
if (xorgHWOpenConsole)
xf86OpenConsole();
#ifdef XF86PM
/*
should we reopen it here? We need to deal with an already opened
device. We could leave this to the OS layer. For now we simply
close it here
*/
if (xf86OSPMClose)
xf86OSPMClose();
if ((xf86OSPMClose = xf86OSPMOpen()) != NULL)
xf86MsgVerb(X_INFO, 3, "APM registered successfully\n");
#endif
/* Make sure full I/O access is enabled */
if (xorgHWAccess)
xf86EnableIO();
}
/*
* Use the previously collected parts to setup pScreenInfo
*/
pScreenInfo->imageByteOrder = xf86Screens[0]->imageByteOrder;
pScreenInfo->bitmapScanlinePad = xf86Screens[0]->bitmapScanlinePad;
pScreenInfo->bitmapScanlineUnit = xf86Screens[0]->bitmapScanlineUnit;
pScreenInfo->bitmapBitOrder = xf86Screens[0]->bitmapBitOrder;
pScreenInfo->numPixmapFormats = numFormats;
for (i = 0; i < numFormats; i++)
pScreenInfo->formats[i] = formats[i];
/* Make sure the server's VT is active */
if (serverGeneration != 1) {
xf86Resetting = TRUE;
/* All screens are in the same state, so just check the first */
if (!xf86Screens[0]->vtSema) {
#ifdef HAS_USL_VTS
ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ);
#endif
xf86AccessEnter();
xf86EnterServerState(SETUP);
}
}
#ifdef SCO325
else {
/*
* Under SCO we must ack that we got the console at startup,
* I think this is the safest way to assure it.
*/
static int once = 1;
if (once) {
once = 0;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
xf86Msg(X_WARNING, "VT_ACKACQ failed");
}
}
#endif /* SCO325 */
for (i = 0; i < xf86NumScreens; i++) {
xf86VGAarbiterLock(xf86Screens[i]);
/*
* Almost everything uses these defaults, and many of those that
* don't, will wrap them.
*/
xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess;
#ifdef XFreeXDGA
xf86Screens[i]->SetDGAMode = xf86SetDGAMode;
#endif
xf86Screens[i]->DPMSSet = NULL;
xf86Screens[i]->LoadPalette = NULL;
xf86Screens[i]->SetOverscan = NULL;
xf86Screens[i]->DriverFunc = NULL;
xf86Screens[i]->pScreen = NULL;
scr_index = AddScreen(xf86Screens[i]->ScreenInit, argc, argv);
xf86VGAarbiterUnlock(xf86Screens[i]);
if (scr_index == i) {
/*
* Hook in our ScrnInfoRec, and initialise some other pScreen
* fields.
*/
dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates,
xf86ScreenKey, xf86Screens[i]);
xf86Screens[i]->pScreen = screenInfo.screens[scr_index];
/* The driver should set this, but make sure it is set anyway */
xf86Screens[i]->vtSema = TRUE;
} else {
/* This shouldn't normally happen */
FatalError("AddScreen/ScreenInit failed for driver %d\n", i);
}
DebugF("InitOutput - xf86Screens[%d]->pScreen = %p\n",
i, xf86Screens[i]->pScreen );
DebugF("xf86Screens[%d]->pScreen->CreateWindow = %p\n",
i, xf86Screens[i]->pScreen->CreateWindow );
dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates,
xf86CreateRootWindowKey,
xf86Screens[i]->pScreen->CreateWindow);
xf86Screens[i]->pScreen->CreateWindow = xf86CreateRootWindow;
#ifdef RENDER
if (PictureGetSubpixelOrder (xf86Screens[i]->pScreen) == SubPixelUnknown)
{
xf86MonPtr DDC = (xf86MonPtr)(xf86Screens[i]->monitor->DDC);
PictureSetSubpixelOrder (xf86Screens[i]->pScreen,
DDC ?
(DDC->features.input_type ?
SubPixelHorizontalRGB : SubPixelNone) :
SubPixelUnknown);
}
#endif
#ifdef RANDR
if (!xf86Info.disableRandR)
xf86RandRInit (screenInfo.screens[scr_index]);
xf86Msg(xf86Info.randRFrom, "RandR %s\n",
xf86Info.disableRandR ? "disabled" : "enabled");
#endif
}
xf86PostScreenInit();
xf86InitOrigins();
xf86Resetting = FALSE;
xf86Initialising = FALSE;
RegisterBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA, xf86Wakeup,
NULL);
}
/*
* InitInput --
* Initialize all supported input devices.
*/
void
InitInput(int argc, char **argv)
{
IDevPtr* pDev;
DeviceIntPtr dev;
xf86Info.vtRequestsPending = FALSE;
mieqInit();
GetEventList(&xf86Events);
/* Call the PreInit function for each input device instance. */
for (pDev = xf86ConfigLayout.inputs; pDev && *pDev; pDev++) {
/* Replace obsolete keyboard driver with kbd */
if (!xf86NameCmp((*pDev)->driver, "keyboard")) {
strcpy((*pDev)->driver, "kbd");
}
/* If one fails, the others will too */
if (xf86NewInputDevice(*pDev, &dev, TRUE) == BadAlloc)
break;
}
}
/*
* OsVendorInit --
* OS/Vendor-specific initialisations. Called from OsInit(), which
* is called by dix before establishing the well known sockets.
*/
void
OsVendorInit(void)
{
static Bool beenHere = FALSE;
#ifdef SIGCHLD
signal(SIGCHLD, SIG_DFL); /* Need to wait for child processes */
#endif
if (!beenHere) {
umask(022);
xf86LogInit();
}
/* Set stderr to non-blocking. */
#ifndef O_NONBLOCK
#if defined(FNDELAY)
#define O_NONBLOCK FNDELAY
#elif defined(O_NDELAY)
#define O_NONBLOCK O_NDELAY
#endif
#ifdef O_NONBLOCK
if (!beenHere) {
if (geteuid() == 0 && getuid() != geteuid())
{
int status;
status = fcntl(fileno(stderr), F_GETFL, 0);
if (status != -1) {
fcntl(fileno(stderr), F_SETFL, status | O_NONBLOCK);
}
}
}
#endif
#endif
beenHere = TRUE;
}
/*
* ddxGiveUp --
* Device dependent cleanup. Called by by dix before normal server death.
* For SYSV386 we must switch the terminal back to normal mode. No error-
* checking here, since there should be restored as much as possible.
*/
void
ddxGiveUp(void)
{
int i;
xf86VGAarbiterFini();
#ifdef XF86PM
if (xf86OSPMClose)
xf86OSPMClose();
xf86OSPMClose = NULL;
#endif
for (i = 0; i < xf86NumScreens; i++) {
/*
* zero all access functions to
* trap calls when switched away.
*/
xf86Screens[i]->vtSema = FALSE;
}
#ifdef XFreeXDGA
DGAShutdown();
#endif
if (xorgHWOpenConsole)
xf86CloseConsole();
xf86CloseLog();
/* If an unexpected signal was caught, dump a core for debugging */
if (xf86Info.caughtSignal)
abort();
}
/*
* AbortDDX --
* DDX - specific abort routine. Called by AbortServer(). The attempt is
* made to restore all original setting of the displays. Also all devices
* are closed.
*/
void
AbortDDX(void)
{
int i;
/*
* try to restore the original video state
*/
#ifdef DPMSExtension /* Turn screens back on */
if (DPMSPowerLevel != DPMSModeOn)
DPMSSet(serverClient, DPMSModeOn);
#endif
if (xf86Screens) {
if (xf86Screens[0]->vtSema)
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++)
if (xf86Screens[i]->vtSema) {
/*
* if we are aborting before ScreenInit() has finished
* we might not have been wrapped yet. Therefore enable
* screen explicitely.
*/
(xf86Screens[i]->LeaveVT)(i, 0);
}
}
xf86AccessLeave();
/*
* This is needed for an abnormal server exit, since the normal exit stuff
* MUST also be performed (i.e. the vt must be left in a defined state)
*/
ddxGiveUp();
}
void
OsVendorFatalError(void)
{
#ifdef VENDORSUPPORT
ErrorF("\nPlease refer to your Operating System Vendor support pages\n"
"at %s for support on this crash.\n",VENDORSUPPORT);
#else
ErrorF("\nPlease consult the "XVENDORNAME" support \n"
"\t at "__VENDORDWEBSUPPORT__"\n for help. \n");
#endif
if (xf86LogFile && xf86LogFileWasOpened)
ErrorF("Please also check the log file at \"%s\" for additional "
"information.\n", xf86LogFile);
ErrorF("\n");
}
int
xf86SetVerbosity(int verb)
{
int save = xf86Verbose;
xf86Verbose = verb;
LogSetParameter(XLOG_VERBOSITY, verb);
return save;
}
int
xf86SetLogVerbosity(int verb)
{
int save = xf86LogVerbose;
xf86LogVerbose = verb;
LogSetParameter(XLOG_FILE_VERBOSITY, verb);
return save;
}
static void
xf86PrintDefaultModulePath(void)
{
ErrorF("%s\n", DEFAULT_MODULE_PATH);
}
static void
xf86PrintDefaultLibraryPath(void)
{
ErrorF("%s\n", DEFAULT_LIBRARY_PATH);
}
/*
* ddxProcessArgument --
* Process device-dependent command line args. Returns 0 if argument is
* not device dependent, otherwise Count of number of elements of argv
* that are part of a device dependent commandline option.
*
*/
/* ARGSUSED */
int
ddxProcessArgument(int argc, char **argv, int i)
{
/*
* Note: can't use xalloc/xfree here because OsInit() hasn't been called
* yet. Use malloc/free instead.
*/
#define CHECK_FOR_REQUIRED_ARGUMENT() \
if (((i + 1) >= argc) || (!argv[i + 1])) { \
ErrorF("Required argument to %s not specified\n", argv[i]); \
UseMsg(); \
FatalError("Required argument to %s not specified\n", argv[i]); \
}
/* First the options that are only allowed for root */
if (!strcmp(argv[i], "-modulepath") || !strcmp(argv[i], "-logfile")) {
if ( (geteuid() == 0) && (getuid() != 0) ) {
FatalError("The '%s' option can only be used by root.\n", argv[i]);
}
else if (!strcmp(argv[i], "-modulepath"))
{
char *mp;
CHECK_FOR_REQUIRED_ARGUMENT();
mp = malloc(strlen(argv[i + 1]) + 1);
if (!mp)
FatalError("Can't allocate memory for ModulePath\n");
strcpy(mp, argv[i + 1]);
xf86ModulePath = mp;
xf86ModPathFrom = X_CMDLINE;
return 2;
}
else if (!strcmp(argv[i], "-logfile"))
{
char *lf;
CHECK_FOR_REQUIRED_ARGUMENT();
lf = malloc(strlen(argv[i + 1]) + 1);
if (!lf)
FatalError("Can't allocate memory for LogFile\n");
strcpy(lf, argv[i + 1]);
xf86LogFile = lf;
xf86LogFileFrom = X_CMDLINE;
return 2;
}
}
if (!strcmp(argv[i], "-config") || !strcmp(argv[i], "-xf86config"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) {
FatalError("\nInvalid argument for %s\n"
"\tFor non-root users, the file specified with %s must be\n"
"\ta relative path and must not contain any \"..\" elements.\n"
"\tUsing default "__XCONFIGFILE__" search path.\n\n",
argv[i], argv[i]);
}
xf86ConfigFile = argv[i + 1];
return 2;
}
if (!strcmp(argv[i], "-configdir"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
if (getuid() != 0 && !xf86PathIsSafe(argv[i + 1])) {
FatalError("\nInvalid argument for %s\n"
"\tFor non-root users, the file specified with %s must be\n"
"\ta relative path and must not contain any \"..\" elements.\n"
"\tUsing default "__XCONFIGDIR__" search path.\n\n",
argv[i], argv[i]);
}
xf86ConfigDir = argv[i + 1];
return 2;
}
if (!strcmp(argv[i],"-flipPixels"))
{
xf86FlipPixels = TRUE;
return 1;
}
#ifdef XF86VIDMODE
if (!strcmp(argv[i],"-disableVidMode"))
{
xf86VidModeDisabled = TRUE;
return 1;
}
if (!strcmp(argv[i],"-allowNonLocalXvidtune"))
{
xf86VidModeAllowNonLocal = TRUE;
return 1;
}
#endif
if (!strcmp(argv[i],"-allowMouseOpenFail"))
{
xf86AllowMouseOpenFail = TRUE;
return 1;
}
if (!strcmp(argv[i],"-ignoreABI"))
{
LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL);
return 1;
}
if (!strcmp(argv[i],"-verbose"))
{
if (++i < argc && argv[i])
{
char *end;
long val;
val = strtol(argv[i], &end, 0);
if (*end == '\0')
{
xf86SetVerbosity(val);
return 2;
}
}
xf86SetVerbosity(++xf86Verbose);
return 1;
}
if (!strcmp(argv[i],"-logverbose"))
{
if (++i < argc && argv[i])
{
char *end;
long val;
val = strtol(argv[i], &end, 0);
if (*end == '\0')
{
xf86SetLogVerbosity(val);
return 2;
}
}
xf86SetLogVerbosity(++xf86LogVerbose);
return 1;
}
if (!strcmp(argv[i],"-quiet"))
{
xf86SetVerbosity(-1);
return 1;
}
if (!strcmp(argv[i],"-showconfig") || !strcmp(argv[i],"-version"))
{
xf86PrintBanner();
exit(0);
}
if (!strcmp(argv[i],"-showDefaultModulePath"))
{
xf86PrintDefaultModulePath();
exit(0);
}
if (!strcmp(argv[i],"-showDefaultLibPath"))
{
xf86PrintDefaultLibraryPath();
exit(0);
}
/* Notice the -fp flag, but allow it to pass to the dix layer */
if (!strcmp(argv[i], "-fp"))
{
xf86fpFlag = TRUE;
return 0;
}
/* Notice the -bs flag, but allow it to pass to the dix layer */
if (!strcmp(argv[i], "-bs"))
{
xf86bsDisableFlag = TRUE;
return 0;
}
/* Notice the +bs flag, but allow it to pass to the dix layer */
if (!strcmp(argv[i], "+bs"))
{
xf86bsEnableFlag = TRUE;
return 0;
}
/* Notice the -s flag, but allow it to pass to the dix layer */
if (!strcmp(argv[i], "-s"))
{
xf86sFlag = TRUE;
return 0;
}
if (!strcmp(argv[i], "-pixmap24"))
{
xf86Pix24 = Pix24Use24;
return 1;
}
if (!strcmp(argv[i], "-pixmap32"))
{
xf86Pix24 = Pix24Use32;
return 1;
}
if (!strcmp(argv[i], "-fbbpp"))
{
int bpp;
CHECK_FOR_REQUIRED_ARGUMENT();
if (sscanf(argv[++i], "%d", &bpp) == 1)
{
xf86FbBpp = bpp;
return 2;
}
else
{
ErrorF("Invalid fbbpp\n");
return 0;
}
}
if (!strcmp(argv[i], "-depth"))
{
int depth;
CHECK_FOR_REQUIRED_ARGUMENT();
if (sscanf(argv[++i], "%d", &depth) == 1)
{
xf86Depth = depth;
return 2;
}
else
{
ErrorF("Invalid depth\n");
return 0;
}
}
if (!strcmp(argv[i], "-weight"))
{
int red, green, blue;
CHECK_FOR_REQUIRED_ARGUMENT();
if (sscanf(argv[++i], "%1d%1d%1d", &red, &green, &blue) == 3)
{
xf86Weight.red = red;
xf86Weight.green = green;
xf86Weight.blue = blue;
return 2;
}
else
{
ErrorF("Invalid weighting\n");
return 0;
}
}
if (!strcmp(argv[i], "-gamma") || !strcmp(argv[i], "-rgamma") ||
!strcmp(argv[i], "-ggamma") || !strcmp(argv[i], "-bgamma"))
{
double gamma;
CHECK_FOR_REQUIRED_ARGUMENT();
if (sscanf(argv[++i], "%lf", &gamma) == 1) {
if (gamma < GAMMA_MIN || gamma > GAMMA_MAX) {
ErrorF("gamma out of range, only %.2f <= gamma_value <= %.1f"
" is valid\n", GAMMA_MIN, GAMMA_MAX);
return 0;
}
if (!strcmp(argv[i-1], "-gamma"))
xf86Gamma.red = xf86Gamma.green = xf86Gamma.blue = gamma;
else if (!strcmp(argv[i-1], "-rgamma")) xf86Gamma.red = gamma;
else if (!strcmp(argv[i-1], "-ggamma")) xf86Gamma.green = gamma;
else if (!strcmp(argv[i-1], "-bgamma")) xf86Gamma.blue = gamma;
return 2;
}
}
if (!strcmp(argv[i], "-layout"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
xf86LayoutName = argv[++i];
return 2;
}
if (!strcmp(argv[i], "-screen"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
xf86ScreenName = argv[++i];
return 2;
}
if (!strcmp(argv[i], "-pointer"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
xf86PointerName = argv[++i];
return 2;
}
if (!strcmp(argv[i], "-keyboard"))
{
CHECK_FOR_REQUIRED_ARGUMENT();
xf86KeyboardName = argv[++i];
return 2;
}
if (!strcmp(argv[i], "-nosilk"))
{
xf86silkenMouseDisableFlag = TRUE;
return 1;
}
#ifdef HAVE_ACPI
if (!strcmp(argv[i], "-noacpi"))
{
xf86acpiDisableFlag = TRUE;
return 1;
}
#endif
if (!strcmp(argv[i], "-configure"))
{
if (getuid() != 0 && geteuid() == 0) {
ErrorF("The '-configure' option can only be used by root.\n");
exit(1);
}
xf86DoConfigure = TRUE;
xf86AllowMouseOpenFail = TRUE;
return 1;
}
if (!strcmp(argv[i], "-showopts"))
{
if (getuid() != 0 && geteuid() == 0) {
ErrorF("The '-showopts' option can only be used by root.\n");
exit(1);
}
xf86DoShowOptions = TRUE;
return 1;
}
if (!strcmp(argv[i], "-isolateDevice"))
{
int bus, device, func;
CHECK_FOR_REQUIRED_ARGUMENT();
if (strncmp(argv[++i], "PCI:", 4)) {
FatalError("Bus types other than PCI not yet isolable\n");
}
if (sscanf(argv[i], "PCI:%d:%d:%d", &bus, &device, &func) == 3) {
xf86IsolateDevice.domain = PCI_DOM_FROM_BUS(bus);
xf86IsolateDevice.bus = PCI_BUS_NO_DOMAIN(bus);
xf86IsolateDevice.dev = device;
xf86IsolateDevice.func = func;
return 2;
} else {
FatalError("Invalid isolated device specification\n");
}
}
/* Notice cmdline xkbdir, but pass to dix as well */
if (!strcmp(argv[i], "-xkbdir"))
{
xf86xkbdirFlag = TRUE;
return 0;
}
/* OS-specific processing */
return xf86ProcessArgument(argc, argv, i);
}
/*
* ddxUseMsg --
* Print out correct use of device dependent commandline options.
* Maybe the user now knows what really to do ...
*/
void
ddxUseMsg(void)
{
ErrorF("\n");
ErrorF("\n");
ErrorF("Device Dependent Usage\n");
if (getuid() == 0 || geteuid() != 0)
{
ErrorF("-modulepath paths specify the module search path\n");
ErrorF("-logfile file specify a log file name\n");
ErrorF("-configure probe for devices and write an "__XCONFIGFILE__"\n");
ErrorF("-showopts print available options for all installed drivers\n");
}
ErrorF("-config file specify a configuration file, relative to the\n");
ErrorF(" "__XCONFIGFILE__" search path, only root can use absolute\n");
ErrorF("-configdir dir specify a configuration directory, relative to the\n");
ErrorF(" "__XCONFIGDIR__" search path, only root can use absolute\n");
ErrorF("-verbose [n] verbose startup messages\n");
ErrorF("-logverbose [n] verbose log messages\n");
ErrorF("-quiet minimal startup messages\n");
ErrorF("-pixmap24 use 24bpp pixmaps for depth 24\n");
ErrorF("-pixmap32 use 32bpp pixmaps for depth 24\n");
ErrorF("-fbbpp n set bpp for the framebuffer. Default: 8\n");
ErrorF("-depth n set colour depth. Default: 8\n");
ErrorF("-gamma f set gamma value (0.1 < f < 10.0) Default: 1.0\n");
ErrorF("-rgamma f set gamma value for red phase\n");
ErrorF("-ggamma f set gamma value for green phase\n");
ErrorF("-bgamma f set gamma value for blue phase\n");
ErrorF("-weight nnn set RGB weighting at 16 bpp. Default: 565\n");
ErrorF("-layout name specify the ServerLayout section name\n");
ErrorF("-screen name specify the Screen section name\n");
ErrorF("-keyboard name specify the core keyboard InputDevice name\n");
ErrorF("-pointer name specify the core pointer InputDevice name\n");
ErrorF("-nosilk disable Silken Mouse\n");
ErrorF("-flipPixels swap default black/white Pixel values\n");
#ifdef XF86VIDMODE
ErrorF("-disableVidMode disable mode adjustments with xvidtune\n");
ErrorF("-allowNonLocalXvidtune allow xvidtune to be run as a non-local client\n");
#endif
ErrorF("-allowMouseOpenFail start server even if the mouse can't be initialized\n");
ErrorF("-ignoreABI make module ABI mismatches non-fatal\n");
ErrorF("-isolateDevice bus_id restrict device resets to bus_id (PCI only)\n");
ErrorF("-version show the server version\n");
ErrorF("-showDefaultModulePath show the server default module path\n");
ErrorF("-showDefaultLibPath show the server default library path\n");
/* OS-specific usage */
xf86UseMsg();
ErrorF("\n");
}
/*
* xf86LoadModules iterates over a list that is being passed in.
*/
Bool
xf86LoadModules(char **list, pointer *optlist)
{
int errmaj, errmin;
pointer opt;
int i;
char *name;
Bool failed = FALSE;
if (!list)
return TRUE;
for (i = 0; list[i] != NULL; i++) {
/* Normalise the module name */
name = xf86NormalizeName(list[i]);
/* Skip empty names */
if (name == NULL || *name == '\0')
continue;
/* Replace obsolete keyboard driver with kbd */
if (!xf86NameCmp(name, "keyboard")) {
strcpy(name, "kbd");
}
if (optlist)
opt = optlist[i];
else
opt = NULL;
if (!LoadModule(name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin)) {
LoaderErrorMsg(NULL, name, errmaj, errmin);
failed = TRUE;
}
xfree(name);
}
return !failed;
}
/* Pixmap format stuff */
PixmapFormatPtr
xf86GetPixFormat(ScrnInfoPtr pScrn, int depth)
{
int i;
static PixmapFormatRec format; /* XXX not reentrant */
/*
* When the formats[] list initialisation isn't complete, check the
* depth 24 pixmap config/cmdline options and screen-specified formats.
*/
if (!formatsDone) {
if (depth == 24) {
Pix24Flags pix24 = Pix24DontCare;
format.depth = 24;
format.scanlinePad = BITMAP_SCANLINE_PAD;
if (xf86Info.pixmap24 != Pix24DontCare)
pix24 = xf86Info.pixmap24;
else if (pScrn->pixmap24 != Pix24DontCare)
pix24 = pScrn->pixmap24;
if (pix24 == Pix24Use24)
format.bitsPerPixel = 24;
else
format.bitsPerPixel = 32;
return &format;
}
}
for (i = 0; i < numFormats; i++)
if (formats[i].depth == depth)
break;
if (i != numFormats)
return &formats[i];
else if (!formatsDone) {
/* Check for screen-specified formats */
for (i = 0; i < pScrn->numFormats; i++)
if (pScrn->formats[i].depth == depth)
break;
if (i != pScrn->numFormats)
return &pScrn->formats[i];
}
return NULL;
}
int
xf86GetBppFromDepth(ScrnInfoPtr pScrn, int depth)
{
PixmapFormatPtr format;
format = xf86GetPixFormat(pScrn, depth);
if (format)
return format->bitsPerPixel;
else
return 0;
}
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