xf86init.c

来自「基于组件方式开发操作系统的OSKIT源代码」· C语言 代码 · 共 868 行 · 第 1/2 页

  (xf86Info.pMouse)->public.devicePrivate = xf86Info.mouseLocal;
#if 0 /* Is this needed?? */
  ((LocalDevicePtr) xf86Info.mouseLocal)->dev = xf86Info.pMouse;
#endif
#else
  (xf86Info.pMouse)->public.devicePrivate = (pointer) xf86Info.mouseDev;
#endif
  
#ifdef XINPUT
  InitExtInput();
#endif

  miRegisterPointerDevice(screenInfo.screens[0], xf86Info.pMouse);
#ifdef XINPUT
  xf86XinputFinalizeInit(xf86Info.pMouse);
  xf86eqInit ((DevicePtr)xf86Info.pKeyboard, (DevicePtr)xf86Info.pMouse);
#else
  mieqInit (xf86Info.pKeyboard, xf86Info.pMouse);
#endif
}

/*
 * OsVendorInit --
 *      OS/Vendor-specific initialisations.  Called from OsInit(), which
 *      is called by dix before establishing the well known sockets.
 */
 
extern Bool OsDelayInitColors;

void
OsVendorInit()
{
#ifdef SIGCHLD
  signal(SIGCHLD, SIG_DFL);	/* Need to wait for child processes */
#endif
#ifdef USE_XF86_SERVERLOCK
  extern void xf86LockServer();
  static Bool been_here = FALSE;

  if (!been_here) {
    xf86LockServer();
    been_here = TRUE;
  }
#endif
  OsDelayInitColors = TRUE;
}
#endif /* !OSKIT */

#ifdef DPMSExtension
/*
 * DPMSSet --
 *	Device dependent DPMS mode setting hook.  This is called whenever
 *	the DPMS mode is to be changed.
 */
void
DPMSSet(CARD16 level)
{
    int i;

    /* For each screen, set the power saver level */
    for (i = 0; i < screenInfo.numScreens; i++) {
	(XF86SCRNINFO(screenInfo.screens[i])->DPMSSet)(level);
    }

    DPMSPowerLevel = level;
}

#if 0
/*
 * DPMSGet --
 *	Device dependent DPMS mode getting hook.  This returns the current
 *	DPMS mode, or -1 if DPMS is not supported.
 *
 *	This should hook in to the appropriate driver-level function, which
 *	will be added to the ScrnInfoRec.
 *
 *	NOTES:
 *	 1. the calling interface should be changed to specify which
 *	    screen to check.
 *	 2. It isn't clear that this function is ever used.
 */
CARD16
DPMSGet(CARD16 *level)
{
    int i;

    /* For each screen, set the power saver level */
    for (i = 0; i < screenInfo.numScreens; i++) {
	 ;
    }
}
#endif

/*
 * DPMSSupported --
 *	Return TRUE if any screen supports DPMS.
 */
Bool
DPMSSupported(void)
{
    int i;

    /* For each screen, check if DPMS is supported */
    for (i = 0; i < screenInfo.numScreens; i++) {
	if (XF86SCRNINFO(screenInfo.screens[i])->DPMSSet != (void (*)())NoopDDA)
	    return TRUE;
    }
    return FALSE;
}
#endif /* DPMSExtension */

#ifndef OSKIT
/*
 * 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()
{
#ifdef USE_XF86_SERVERLOCK
  xf86UnlockServer();
#endif

  xf86CloseConsole();

  /* 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()
{
  int i;

#if 0
  if (xf86Exiting)
    return;
#endif

  xf86Exiting = TRUE;

  /*
   * try to deinitialize all input devices
   */
  if (xf86Info.pMouse) (xf86Info.mouseDev->mseProc)(xf86Info.pMouse, DEVICE_CLOSE);
  if (xf86Info.pKeyboard) (xf86Info.kbdProc)(xf86Info.pKeyboard, DEVICE_CLOSE);

  /*
   * try to restore the original video state
   */
#ifdef HAS_USL_VTS
  /* Need the sleep when starting X from within another X session */
  sleep(1);
#endif
  if (xf86VTSema && xf86ScreensOpen)
    for ( i=0;
          i < xf86MaxScreens && xf86Screens[i] && xf86Screens[i]->configured;
          i++ )
      (xf86Screens[i]->EnterLeaveVT)(LEAVE, i);

  /*
   * This is needed for a 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()
{
  ErrorF("\nWhen reporting a problem related to a server crash, please send\n"
	 "the full server output, not just the last messages\n\n");
}

/*
 * 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 (argc, argv, i)
     int argc;
     char *argv[];
     int i;
{
  if (getuid() == 0 && !strcmp(argv[i], "-xf86config"))
  {
    if (!argv[i+1])
      return 0;
    if (strlen(argv[i+1]) >= PATH_MAX)
      FatalError("XF86Config path name too long\n");
    strcpy(xf86ConfigFile, argv[i+1]);
    return 2;
  }
  if (!strcmp(argv[i],"-probeonly"))
  {
    xf86ProbeOnly = TRUE;
    return 1;
  }
  if (!strcmp(argv[i],"-flipPixels"))
  {
    xf86FlipPixels = TRUE;
    return 1;
  }
#ifdef XF86VIDMODE
  if (!strcmp(argv[i],"-disableVidMode"))
  {
    xf86VidModeEnabled = FALSE;
    return 1;
  }
  if (!strcmp(argv[i],"-allowNonLocalXvidtune"))
  {
    xf86VidModeAllowNonLocal = TRUE;
    return 1;
  }
#endif
#ifdef XF86MISC
  if (!strcmp(argv[i],"-disableModInDev"))
  {
    xf86MiscModInDevEnabled = FALSE;
    return 1;
  }
  if (!strcmp(argv[i],"-allowNonLocalModInDev"))
  {
    xf86MiscModInDevAllowNonLocal = TRUE;
    return 1;
  }
  if (!strcmp(argv[i],"-allowMouseOpenFail"))
  {
    xf86AllowMouseOpenFail = TRUE;
    return 1;
  }
#endif
  if (!strcmp(argv[i],"-bestRefresh"))
  {
    xf86BestRefresh = TRUE;
    return 1;
  }
#ifdef DO_CHECK_BETA
  if (!strcmp(argv[i],"-extendExpiry"))
  {
    extraDays = atoi(argv[i + 1]);
    expKey = argv[i + 2];
    return 3;
  }
#endif
  if (!strcmp(argv[i],"-verbose"))
  {
    if (!xf86Verbose++)
      xf86Verbose = 2;
    return 1;
  }
  if (!strcmp(argv[i],"-quiet"))
  {
    xf86Verbose = 0;
    return 1;
  }
  if (!strcmp(argv[i],"-showconfig") || !strcmp(argv[i],"-version"))
  {
    xf86PrintBanner();
    xf86PrintConfig();
    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 -co flag, but allow it to pass to the dix layer */
  if (!strcmp(argv[i], "-co"))
  {
    xf86coFlag = 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;
  }
#ifndef XF86MONOVGA
  if (!strcmp(argv[i], "-bpp"))
  {
    int bpp;
    if (++i >= argc)
      return 0;
    if (sscanf(argv[i], "%d", &bpp) == 1)
    {
      xf86bpp = bpp;
      return 2;
    }
    else
    {
      ErrorF("Invalid bpp\n");
      return 0;
    }
  }
  if (!strcmp(argv[i], "-weight"))
  {
    int red, green, blue;
    if (++i >= argc)
      return 0;
    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;
    if (++i >= argc)
      return 0;
    if (sscanf(argv[i], "%lf", &gamma) == 1) {
       if (gamma < 0.1 || gamma > 10) {
	  ErrorF("gamma out of range, only  0.1 < gamma_value < 10  is valid\n");
	  return 0;
       }
       if (!strcmp(argv[i-1], "-gamma")) 
	  xf86rGamma = xf86gGamma = xf86bGamma = 1.0 / gamma;
       else if (!strcmp(argv[i-1], "-rgamma")) xf86rGamma = 1.0 / gamma;
       else if (!strcmp(argv[i-1], "-ggamma")) xf86gGamma = 1.0 / gamma;
       else if (!strcmp(argv[i-1], "-bgamma")) xf86bGamma = 1.0 / gamma;
       return 2;
    }
  }
#endif /* XF86MONOVGA */
  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()
{
  ErrorF("\n");
  ErrorF("\n");
  ErrorF("Device Dependent Usage\n");
  if (getuid() == 0)
    ErrorF("-xf86config file       specify a configuration file\n");
  ErrorF("-probeonly             probe for devices, then exit\n");
  ErrorF("-verbose               verbose startup messages\n");
  ErrorF("-quiet                 minimal startup messages\n");
#ifndef XF86MONOVGA
  ErrorF("-bpp n                 set number of bits per pixel. 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");
#endif /* XF86MONOVGA */
  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
#ifdef XF86MISC
  ErrorF("-disableModInDev       disable dynamic modification of input device settings\n");
  ErrorF("-allowNonLocalModInDev allow changes to keyboard and mouse settings\n");
  ErrorF("                       from non-local clients\n");
  ErrorF("-allowMouseOpenFail    start server even if the mouse can't be initialized\n");
#endif
  ErrorF("-bestRefresh           Chose modes with the best refresh rate\n");
  ErrorF(
   "-showconfig            show which drivers are included in the server\n");
  xf86UseMsg();
  ErrorF("\n");
}

#ifndef OSNAME
#define OSNAME "unknown"
#endif
#ifndef OSVENDOR
#define OSVENDOR ""
#endif

static void
xf86PrintBanner()
{
  ErrorF("\nXFree86 Version%s/ X Window System\n",XF86_VERSION);
  ErrorF("(protocol Version %d, revision %d, vendor release %d)\n",
         X_PROTOCOL, X_PROTOCOL_REVISION, VENDOR_RELEASE );
  ErrorF("Release Date: %s\n", XF86_DATE);
  ErrorF("\tIf the server is older than 6-12 months, or if your card is "
	 "newer\n"
	 "\tthan the above date, look for a newer version before "
	 "reporting\n"
	 "\tproblems.  (see http://www.XFree86.Org/FAQ)\n");
  ErrorF("Operating System: %s %s\n", OSNAME, OSVENDOR);
}
#endif /* !OSKIT */

static void
xf86PrintConfig()
{
  int i;

  ErrorF("Configured drivers:\n");
  for (i = 0; i < xf86MaxScreens; i++)
    if (xf86Screens[i])
      (xf86Screens[i]->PrintIdent)();
}