xref: /OK3568_Linux_fs/external/xserver/hw/xfree86/os-support/bus/Pci.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright 1998 by Concurrent Computer Corporation
3  *
4  * Permission to use, copy, modify, distribute, and sell this software
5  * and its documentation for any purpose is hereby granted without fee,
6  * provided that the above copyright notice appear in all copies and that
7  * both that copyright notice and this permission notice appear in
8  * supporting documentation, and that the name of Concurrent Computer
9  * Corporation not be used in advertising or publicity pertaining to
10  * distribution of the software without specific, written prior
11  * permission.  Concurrent Computer Corporation makes no representations
12  * about the suitability of this software for any purpose.  It is
13  * provided "as is" without express or implied warranty.
14  *
15  * CONCURRENT COMPUTER CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD
16  * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS, IN NO EVENT SHALL CONCURRENT COMPUTER CORPORATION BE
18  * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
19  * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
21  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
22  * SOFTWARE.
23  *
24  * Copyright 1998 by Metro Link Incorporated
25  *
26  * Permission to use, copy, modify, distribute, and sell this software
27  * and its documentation for any purpose is hereby granted without fee,
28  * provided that the above copyright notice appear in all copies and that
29  * both that copyright notice and this permission notice appear in
30  * supporting documentation, and that the name of Metro Link
31  * Incorporated not be used in advertising or publicity pertaining to
32  * distribution of the software without specific, written prior
33  * permission.  Metro Link Incorporated makes no representations
34  * about the suitability of this software for any purpose.  It is
35  * provided "as is" without express or implied warranty.
36  *
37  * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
38  * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
39  * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED BE
40  * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
41  * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44  * SOFTWARE.
45  *
46  * This file is derived in part from the original xf86_PCI.h that included
47  * following copyright message:
48  *
49  * Copyright 1995 by Robin Cutshaw <robin@XFree86.Org>
50  *
51  * Permission to use, copy, modify, distribute, and sell this software and its
52  * documentation for any purpose is hereby granted without fee, provided that
53  * the above copyright notice appear in all copies and that both that
54  * copyright notice and this permission notice appear in supporting
55  * documentation, and that the names of the above listed copyright holder(s)
56  * not be used in advertising or publicity pertaining to distribution of
57  * the software without specific, written prior permission.  The above listed
58  * copyright holder(s) make(s) no representations about the suitability of this
59  * software for any purpose.  It is provided "as is" without express or
60  * implied warranty.
61  *
62  * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
63  * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
64  * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
65  * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
66  * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
67  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
68  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
69  *
70  */
71 /*
72  * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
73  *
74  * Permission is hereby granted, free of charge, to any person obtaining a
75  * copy of this software and associated documentation files (the "Software"),
76  * to deal in the Software without restriction, including without limitation
77  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
78  * and/or sell copies of the Software, and to permit persons to whom the
79  * Software is furnished to do so, subject to the following conditions:
80  *
81  * The above copyright notice and this permission notice shall be included in
82  * all copies or substantial portions of the Software.
83  *
84  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
85  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
86  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
87  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
88  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
89  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
90  * OTHER DEALINGS IN THE SOFTWARE.
91  *
92  * Except as contained in this notice, the name of the copyright holder(s)
93  * and author(s) shall not be used in advertising or otherwise to promote
94  * the sale, use or other dealings in this Software without prior written
95  * authorization from the copyright holder(s) and author(s).
96  */
97 
98 /*
99  * This file has the private Pci definitions.  The public ones are imported
100  * from xf86Pci.h.  Drivers should not use this file.
101  */
102 #ifdef HAVE_XORG_CONFIG_H
103 #include <xorg-config.h>
104 #endif
105 
106 #ifndef _PCI_H
107 #define _PCI_H 1
108 
109 #include "xf86Pci.h"
110 
111 /*
112  * Global Definitions
113  */
114 #if (defined(__alpha__) || defined(__ia64__)) && defined (__linux__)
115 #define PCI_DOM_MASK	0x01fful
116 #else
117 #define PCI_DOM_MASK 0x0ffu
118 #endif
119 
120 #ifndef PCI_DOM_MASK
121 #define PCI_DOM_MASK 0x0ffu
122 #endif
123 #define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
124 
125 /*
126  * "b" contains an optional domain number.
127  */
128 #define PCI_MAKE_TAG(b,d,f)  ((((b) & (PCI_DOMBUS_MASK)) << 16) | \
129 			      (((d) & 0x00001fu) << 11) | \
130 			      (((f) & 0x000007u) << 8))
131 
132 #define PCI_MAKE_BUS(d,b)    ((((d) & (PCI_DOM_MASK)) << 8) | ((b) & 0xffu))
133 
134 #define PCI_DOM_FROM_BUS(bus)  (((bus) >> 8) & (PCI_DOM_MASK))
135 #define PCI_BUS_NO_DOMAIN(bus) ((bus) & 0xffu)
136 #define PCI_TAG_NO_DOMAIN(tag) ((tag) & 0x00ffff00u)
137 
138 #if defined(__linux__)
139 #define osPciInit(x) do {} while (0)
140 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
141 	defined(__OpenBSD__) || defined(__NetBSD__) || \
142 	defined(__DragonFly__) || defined(__sun) || defined(__GNU__)
143 extern void osPciInit(void);
144 #else
145 #error No PCI support available for this architecture/OS combination
146 #endif
147 
148 #endif                          /* _PCI_H */
149