xref: /OK3568_Linux_fs/external/xserver/hw/xfree86/common/xf86Bus.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Except as contained in this notice, the name of the copyright holder(s)
23  * and author(s) shall not be used in advertising or otherwise to promote
24  * the sale, use or other dealings in this Software without prior written
25  * authorization from the copyright holder(s) and author(s).
26  */
27 
28 /*
29  * This file contains definitions of the bus-related data structures/types.
30  * Everything contained here is private to xf86Bus.c.  In particular the
31  * video drivers must not include this file.
32  */
33 
34 #ifdef HAVE_XORG_CONFIG_H
35 #include <xorg-config.h>
36 #endif
37 
38 #ifndef _XF86_BUS_H
39 #define _XF86_BUS_H
40 
41 #include "xf86pciBus.h"
42 #if defined(__sparc__) || defined(__sparc)
43 #include "xf86sbusBus.h"
44 #endif
45 #include "xf86platformBus.h"
46 
47 typedef struct {
48     DriverPtr driver;
49     int chipset;
50     int entityProp;
51     Bool active;
52     Bool inUse;
53     BusRec bus;
54     int lastScrnFlag;
55     DevUnion *entityPrivates;
56     int numInstances;
57     GDevPtr *devices;
58 } EntityRec, *EntityPtr;
59 
60 #define ACCEL_IS_SHARABLE 0x100
61 #define IS_SHARED_ACCEL 0x200
62 #define SA_PRIM_INIT_DONE 0x400
63 
64 extern EntityPtr *xf86Entities;
65 extern int xf86NumEntities;
66 extern BusRec primaryBus;
67 
68 int xf86AllocateEntity(void);
69 BusType StringToBusType(const char *busID, const char **retID);
70 
71 #endif                          /* _XF86_BUS_H */
72