/*
* xf86VTSwitch --
* Handle requests for switching the vt.
*/
static void
xf86VTSwitch(void)
{
int i;
static int prevSIGIO;
InputInfoPtr pInfo;
IHPtr ih;
DebugF("xf86VTSwitch()\n");
#ifdef XFreeXDGA
if (!DGAVTSwitch())
return;
#endif
/*
* Since all screens are currently all in the same state it is sufficient
* check the first. This might change in future.
*/
if (xf86Screens[0]->vtSema) {
DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
#ifdef DPMSExtension
if (DPMSPowerLevel != DPMSModeOn)
DPMSSet(serverClient, DPMSModeOn);
#endif
for (i = 0; i < xf86NumScreens; i++) {
if (!(dispatchException & DE_TERMINATE))
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], FALSE);
}
/*
* Keep the order: Disable Device > LeaveVT
* EnterVT > EnableDevice
*/
for (ih = InputHandlers; ih; ih = ih->next)
xf86DisableInputHandler(ih);
for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
if (pInfo->dev) {
if (!pInfo->dev->enabled)
pInfo->flags |= XI86_DEVICE_DISABLED;
xf86ReleaseKeys(pInfo->dev);
ProcessInputEvents();
DisableDevice(pInfo->dev, TRUE);
}
}
OsBlockSIGIO();
for (i = 0; i < xf86NumScreens; i++)
xf86Screens[i]->LeaveVT(xf86Screens[i]);
for (i = 0; i < xf86NumGPUScreens; i++)
xf86GPUScreens[i]->LeaveVT(xf86GPUScreens[i]);
xf86AccessLeave(); /* We need this here, otherwise */
if (!xf86VTSwitchAway()) {
/*
* switch failed
*/
DebugF("xf86VTSwitch: Leave failed\n");
xf86AccessEnter();
for (i = 0; i < xf86NumScreens; i++) {
if (!xf86Screens[i]->EnterVT(xf86Screens[i]))
FatalError("EnterVT failed for screen %d\n", i);
}
for (i = 0; i < xf86NumGPUScreens; i++) {
if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
FatalError("EnterVT failed for gpu screen %d\n", i);
}
if (!(dispatchException & DE_TERMINATE)) {
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], TRUE);
}
}
dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->dev && (pInfo->flags & XI86_DEVICE_DISABLED) == 0)
EnableDevice(pInfo->dev, TRUE);
pInfo->flags &= ~XI86_DEVICE_DISABLED;
pInfo = pInfo->next;
}
for (ih = InputHandlers; ih; ih = ih->next)
xf86EnableInputHandler(ih);
OsReleaseSIGIO();
}
else {
#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;
}
if (xorgHWAccess)
xf86DisableIO();
}
}
else {
DebugF("xf86VTSwitch: Entering\n");
if (!xf86VTSwitchTo())
return;
#ifdef XF86PM
xf86OSPMClose = xf86OSPMOpen();
#endif
if (xorgHWAccess)
xf86EnableIO();
xf86AccessEnter();
for (i = 0; i < xf86NumScreens; i++) {
xf86Screens[i]->vtSema = TRUE;
if (!xf86Screens[i]->EnterVT(xf86Screens[i]))
FatalError("EnterVT failed for screen %d\n", i);
}
for (i = 0; i < xf86NumGPUScreens; i++) {
xf86GPUScreens[i]->vtSema = TRUE;
if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
FatalError("EnterVT failed for gpu screen %d\n", i);
}
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], TRUE);
}
/* Turn screen saver off when switching back */
dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->dev && (pInfo->flags & XI86_DEVICE_DISABLED) == 0)
EnableDevice(pInfo->dev, TRUE);
pInfo->flags &= ~XI86_DEVICE_DISABLED;
pInfo = pInfo->next;
}
for (ih = InputHandlers; ih; ih = ih->next)
xf86EnableInputHandler(ih);
OsReleaseSIGIO();
}
}
/*
* 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;
const char **modulelist;
void **optionlist;
Pix24Flags screenpix24, pix24;
MessageType pix24From = X_DEFAULT;
Bool pix24Fail = FALSE;
Bool autoconfig = FALSE;
Bool sigio_blocked = FALSE;
Bool want_hw_access = FALSE;
GDevPtr configured_device;
xf86Initialising = TRUE;
config_pre_init();
if (serverGeneration == 1) {
if ((xf86ServerName = strrchr(argv[0], '/')) != 0)
xf86ServerName++;
else
xf86ServerName = argv[0];
xf86PrintBanner();
LogPrintMarkers();
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();
dbus_core_init();
systemd_logind_init();
/* 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
xf86ExtensionInit();
/* Load all modules specified explicitly in the config file */
if ((modulelist = xf86ModulelistFromConfig(&optionlist))) {
xf86LoadModules(modulelist, optionlist);
free(modulelist);
free(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);
free(modulelist);
}
/* Load all input driver modules specified in the config file. */
if ((modulelist = xf86InputDriverlistFromConfig())) {
xf86LoadModules(modulelist, NULL);
free(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++) {
xorgHWFlags flags = HW_IO;
if (xf86DriverList[i]->Identify != NULL)
xf86DriverList[i]->Identify(0);
if (xf86DriverList[i]->driverFunc)
xf86DriverList[i]->driverFunc(NULL,
GET_REQUIRED_HW_INTERFACES,
&flags);
if (NEED_IO_ENABLED(flags))
want_hw_access = TRUE;
/* Non-seat0 X servers should not open console */
if (!(flags & HW_SKIP_CONSOLE) && !ServerIsNotSeat0())
xorgHWOpenConsole = TRUE;
}
if (xorgHWOpenConsole)
xf86OpenConsole();
else
xf86Info.dontVTSwitch = TRUE;
/* Enable full I/O access */
if (want_hw_access)
xorgHWAccess = xf86EnableIO();
if (xf86BusConfig() == FALSE)
return;
xf86PostProbe();
/*
* 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(xf86Screens[i--]);
for (i = 0; i < xf86NumGPUScreens; i++) {
xf86VGAarbiterScrnInit(xf86GPUScreens[i]);
xf86VGAarbiterLock(xf86GPUScreens[i]);
if (xf86GPUScreens[i]->PreInit &&
xf86GPUScreens[i]->PreInit(xf86GPUScreens[i], 0))
xf86GPUScreens[i]->configured = TRUE;
xf86VGAarbiterUnlock(xf86GPUScreens[i]);
}
for (i = 0; i < xf86NumGPUScreens; i++)
if (!xf86GPUScreens[i]->configured)
xf86DeleteScreen(xf86GPUScreens[i--]);
/*
* 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) {
char *tmp;
XNFasprintf(&tmp, "screen%d", i);
xf86Screens[i]->name = tmp;
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 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();
}
if (xf86Info.vtno >= 0)
AddCallback(&RootWindowFinalizeCallback, AddVTAtoms, NULL);
if (SeatId)
AddCallback(&RootWindowFinalizeCallback, AddSeatId, SeatId);
/*
* 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 (!xf86VTOwner()) {
#ifdef HAS_USL_VTS
ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ);
#endif
xf86AccessEnter();
input_lock();
sigio_blocked = TRUE;
}
}
for (i = 0; i < xf86NumScreens; i++)
if (!xf86ColormapAllocatePrivates(xf86Screens[i]))
FatalError("Cannot register DDX private keys");
if (!dixRegisterPrivateKey(&xf86ScreenKeyRec, PRIVATE_SCREEN, 0))
FatalError("Cannot register DDX private keys");
for (i = 0; i < xf86NumGPUScreens; i++) {
ScrnInfoPtr pScrn = xf86GPUScreens[i];
xf86VGAarbiterLock(pScrn);
/*
* Almost everything uses these defaults, and many of those that
* don't, will wrap them.
*/
pScrn->EnableDisableFBAccess = xf86EnableDisableFBAccess;
#ifdef XFreeXDGA
pScrn->SetDGAMode = xf86SetDGAMode;
#endif
pScrn->DPMSSet = NULL;
pScrn->LoadPalette = NULL;
pScrn->SetOverscan = NULL;
pScrn->DriverFunc = NULL;
pScrn->pScreen = NULL;
scr_index = AddGPUScreen(xf86ScreenInit, argc, argv);
xf86VGAarbiterUnlock(pScrn);
if (scr_index == i) {
dixSetPrivate(&screenInfo.gpuscreens[scr_index]->devPrivates,
xf86ScreenKey, xf86GPUScreens[i]);
pScrn->pScreen = screenInfo.gpuscreens[scr_index];
/* The driver should set this, but make sure it is set anyway */
pScrn->vtSema = TRUE;
} else {
FatalError("AddScreen/ScreenInit failed for gpu driver %d %d\n", i, scr_index);
}
}
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(xf86ScreenInit, 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);
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);
}
#ifdef RANDR
if (!xf86Info.disableRandR)
xf86RandRInit(screenInfo.screens[scr_index]);
xf86Msg(xf86Info.randRFrom, "RandR %s\n",
xf86Info.disableRandR ? "disabled" : "enabled");
#endif
}
for (i = 0; i < xf86NumGPUScreens; i++)
AttachUnboundGPU(xf86Screens[0]->pScreen, xf86GPUScreens[i]->pScreen);
xf86VGAarbiterWrapFunctions();
if (sigio_blocked)
input_unlock();
xf86InitOrigins();
xf86Resetting = FALSE;
xf86Initialising = FALSE;
RegisterBlockAndWakeupHandlers((ServerBlockHandlerProcPtr) NoopDDA, xf86Wakeup,
NULL);
}
