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 */
50