hw/xfree86/common/xf86VGAarbiter.h

   1 /*
   2  * Copyright (c) 2009 Tiago Vignatti
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use,
   8  * copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following
  11  * conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  18  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef __XF86VGAARBITER_H
  27 #define __XF86VGAARBITER_H
  28
  29 #include "screenint.h"
  30 #include "misc.h"
  31 #include "xf86.h"
  32
  33 /* Functions */
  34 extern void xf86VGAarbiterInit(void);
  35 extern void xf86VGAarbiterFini(void);
  36 void xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn);
  37 extern Bool xf86VGAarbiterWrapFunctions(void);
  38 extern void xf86VGAarbiterLock(ScrnInfoPtr pScrn);
  39 extern void xf86VGAarbiterUnlock(ScrnInfoPtr pScrn);
  40
  41 /* allow a driver to remove itself from arbiter - really should be
  42  * done in the kernel though */
  43 extern _X_EXPORT void xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn, int rsrc);
  44
  45 /* DRI and arbiter are really not possible together,
  46  * you really want to remove the card from arbitration if you can */
  47 extern _X_EXPORT Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen);
  48
  49 #endif                          /* __XF86VGAARBITER_H */