| 1 | /*
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| 2 | * Copyright 1998 by Concurrent Computer Corporation
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software
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| 5 | * and its documentation for any purpose is hereby granted without fee,
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| 6 | * provided that the above copyright notice appear in all copies and that
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| 7 | * both that copyright notice and this permission notice appear in
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| 8 | * supporting documentation, and that the name of Concurrent Computer
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| 9 | * Corporation not be used in advertising or publicity pertaining to
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| 10 | * distribution of the software without specific, written prior
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| 11 | * permission. Concurrent Computer Corporation makes no representations
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| 12 | * about the suitability of this software for any purpose. It is
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| 13 | * provided "as is" without express or implied warranty.
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| 14 | *
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| 15 | * CONCURRENT COMPUTER CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD
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| 16 | * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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| 17 | * AND FITNESS, IN NO EVENT SHALL CONCURRENT COMPUTER CORPORATION BE
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| 18 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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| 19 | * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 20 | * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 21 | * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 22 | * SOFTWARE.
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| 23 | *
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| 24 | * Copyright 1998 by Metro Link Incorporated
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| 25 | *
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| 26 | * Permission to use, copy, modify, distribute, and sell this software
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| 27 | * and its documentation for any purpose is hereby granted without fee,
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| 28 | * provided that the above copyright notice appear in all copies and that
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| 29 | * both that copyright notice and this permission notice appear in
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| 30 | * supporting documentation, and that the name of Metro Link
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| 31 | * Incorporated not be used in advertising or publicity pertaining to
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| 32 | * distribution of the software without specific, written prior
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| 33 | * permission. Metro Link Incorporated makes no representations
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| 34 | * about the suitability of this software for any purpose. It is
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| 35 | * provided "as is" without express or implied warranty.
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| 36 | *
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| 37 | * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
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| 38 | * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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| 39 | * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED BE
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| 40 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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| 41 | * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 42 | * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 43 | * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 44 | * SOFTWARE.
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| 45 | *
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| 46 | * This file is derived in part from the original xf86_PCI.h that included
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| 47 | * following copyright message:
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| 48 | *
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| 49 | * Copyright 1995 by Robin Cutshaw <[email protected]>
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| 50 | *
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| 51 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 52 | * documentation for any purpose is hereby granted without fee, provided that
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| 53 | * the above copyright notice appear in all copies and that both that
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| 54 | * copyright notice and this permission notice appear in supporting
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| 55 | * documentation, and that the names of the above listed copyright holder(s)
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| 56 | * not be used in advertising or publicity pertaining to distribution of
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| 57 | * the software without specific, written prior permission. The above listed
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| 58 | * copyright holder(s) make(s) no representations about the suitability of this
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| 59 | * software for any purpose. It is provided "as is" without express or
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| 60 | * implied warranty.
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| 61 | *
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| 62 | * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
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| 63 | * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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| 64 | * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
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| 65 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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| 66 | * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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| 67 | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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| 68 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 69 | *
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| 70 | */
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| 71 | /*
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| 72 | * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
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| 73 | *
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| 74 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 75 | * copy of this software and associated documentation files (the "Software"),
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| 76 | * to deal in the Software without restriction, including without limitation
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| 77 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 78 | * and/or sell copies of the Software, and to permit persons to whom the
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| 79 | * Software is furnished to do so, subject to the following conditions:
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| 80 | *
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| 81 | * The above copyright notice and this permission notice shall be included in
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| 82 | * all copies or substantial portions of the Software.
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| 83 | *
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| 84 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 85 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 86 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 87 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 88 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 89 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 90 | * OTHER DEALINGS IN THE SOFTWARE.
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| 91 | *
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| 92 | * Except as contained in this notice, the name of the copyright holder(s)
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| 93 | * and author(s) shall not be used in advertising or otherwise to promote
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| 94 | * the sale, use or other dealings in this Software without prior written
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| 95 | * authorization from the copyright holder(s) and author(s).
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| 96 | */
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| 97 |
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| 98 |
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| 99 | /*
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| 100 | * This file has the private Pci definitions. The public ones are imported
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| 101 | * from xf86Pci.h. Drivers should not use this file.
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| 102 | */
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| 103 | #ifdef HAVE_XORG_CONFIG_H
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| 104 | #include <xorg-config.h>
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| 105 | #endif
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| 106 |
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| 107 | #ifndef _PCI_H
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| 108 | #define _PCI_H 1
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| 109 |
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| 110 | #include <X11/Xarch.h>
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| 111 | #include <X11/Xfuncproto.h>
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| 112 | #include "xf86Pci.h"
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| 113 | #include "xf86PciInfo.h"
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| 114 |
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| 115 | /*
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| 116 | * Global Definitions
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| 117 | */
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| 118 | #define MAX_PCI_DEVICES 128 /* Max number of devices accomodated */
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| 119 | /* by xf86scanpci */
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| 120 | #if defined(sun) && defined(SVR4) && defined(sparc)
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| 121 | # define MAX_PCI_BUSES 4096 /* Max number of PCI buses */
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| 122 | #elif (defined(__alpha__) || defined(__ia64__)) && defined (linux)
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| 123 | # define MAX_PCI_DOMAINS 512
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| 124 | # define PCI_DOM_MASK 0x01fful
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| 125 | # define MAX_PCI_BUSES (MAX_PCI_DOMAINS*256) /* 256 per domain */
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| 126 | #else
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| 127 | # define MAX_PCI_BUSES 256 /* Max number of PCI buses */
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| 128 | #endif
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| 129 |
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| 130 | #define DEVID(vendor, device) \
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| 131 | ((CARD32)((PCI_##device << 16) | PCI_##vendor))
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| 132 |
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| 133 | #ifndef PCI_DOM_MASK
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| 134 | # define PCI_DOM_MASK 0x0ffu
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| 135 | #endif
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| 136 | #define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
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| 137 |
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| 138 | /*
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| 139 | * "b" contains an optional domain number.
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| 140 | */
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| 141 | #define PCI_MAKE_TAG(b,d,f) ((((b) & (PCI_DOMBUS_MASK)) << 16) | \
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| 142 | (((d) & 0x00001fu) << 11) | \
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| 143 | (((f) & 0x000007u) << 8))
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| 144 |
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| 145 | #define PCI_MAKE_BUS(d,b) ((((d) & (PCI_DOM_MASK)) << 8) | ((b) & 0xffu))
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| 146 |
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| 147 | #define PCI_DOM_FROM_TAG(tag) (((tag) >> 24) & (PCI_DOM_MASK))
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| 148 | #define PCI_BUS_FROM_TAG(tag) (((tag) >> 16) & (PCI_DOMBUS_MASK))
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| 149 | #define PCI_DEV_FROM_TAG(tag) (((tag) & 0x0000f800u) >> 11)
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| 150 | #define PCI_FUNC_FROM_TAG(tag) (((tag) & 0x00000700u) >> 8)
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| 151 |
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| 152 | #define PCI_DFN_FROM_TAG(tag) (((tag) & 0x0000ff00u) >> 8)
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| 153 | #define PCI_BDEV_FROM_TAG(tag) ((tag) & 0x00fff800u)
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| 154 |
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| 155 | #define PCI_DOM_FROM_BUS(bus) (((bus) >> 8) & (PCI_DOM_MASK))
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| 156 | #define PCI_BUS_NO_DOMAIN(bus) ((bus) & 0xffu)
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| 157 | #define PCI_TAG_NO_DOMAIN(tag) ((tag) & 0x00ffff00u)
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| 158 |
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| 159 | /*
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| 160 | * Debug Macros/Definitions
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| 161 | */
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| 162 | /* #define DEBUGPCI 2 */ /* Disable/enable trace in PCI code */
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| 163 |
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| 164 | #if defined(DEBUGPCI)
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| 165 |
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| 166 | # define PCITRACE(lvl,printfargs) \
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| 167 | if (lvl > xf86Verbose) { \
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| 168 | ErrorF printfargs; \
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| 169 | }
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| 170 |
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| 171 | #else /* !defined(DEBUGPCI) */
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| 172 |
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| 173 | # define PCITRACE(lvl,printfargs)
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| 174 |
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| 175 | #endif /* !defined(DEBUGPCI) */
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| 176 |
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| 177 | /*
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| 178 | * PCI Config mechanism definitions
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| 179 | */
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| 180 | #define PCI_EN 0x80000000
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| 181 |
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| 182 | #define PCI_CFGMECH1_ADDRESS_REG 0xCF8
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| 183 | #define PCI_CFGMECH1_DATA_REG 0xCFC
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| 184 |
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| 185 | #define PCI_CFGMECH1_MAXDEV 32
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| 186 |
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| 187 | #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || \
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| 188 | defined(__DragonFly__)
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| 189 | #define ARCH_PCI_INIT bsdPciInit
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| 190 | #endif
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| 191 |
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| 192 | #if !defined(ARCH_PCI_INIT)
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| 193 | /*
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| 194 | * Select architecture specific PCI init function
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| 195 | */
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| 196 | #if defined(__alpha__)
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| 197 | # if defined(linux)
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| 198 | # define ARCH_PCI_INIT axpPciInit
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| 199 | # endif
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| 200 | #elif defined(__arm__)
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| 201 | # if defined(linux)
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| 202 | # define ARCH_PCI_INIT linuxPciInit
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| 203 | # endif
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| 204 | #elif defined(__hppa__)
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| 205 | # if defined(linux)
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| 206 | # define ARCH_PCI_INIT linuxPciInit
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| 207 | # endif
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| 208 | #elif defined(__ia64__)
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| 209 | # if defined(linux)
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| 210 | # define ARCH_PCI_INIT linuxPciInit
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| 211 | # endif
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| 212 | #elif defined(__i386__) || defined(__i386)
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| 213 | # if defined(linux)
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| 214 | # define ARCH_PCI_INIT linuxPciInit
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| 215 | # else
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| 216 | # define ARCH_PCI_INIT ix86PciInit
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| 217 | # endif
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| 218 | #elif defined(__mc68000__)
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| 219 | # if defined(linux)
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| 220 | # define ARCH_PCI_INIT linuxPciInit
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| 221 | # endif
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| 222 | #elif defined(__mips__)
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| 223 | # if defined(linux)
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| 224 | # define ARCH_PCI_INIT linuxPciInit
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| 225 | # endif
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| 226 | #elif defined(__powerpc__) || defined(__powerpc64__)
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| 227 | # if defined(linux)
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| 228 | # define ARCH_PCI_INIT linuxPciInit
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| 229 | # else
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| 230 | # define ARCH_PCI_INIT ppcPciInit
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| 231 | # endif
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| 232 | #elif defined(__s390__)
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| 233 | # if defined(linux)
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| 234 | # define ARCH_PCI_INIT linuxPciInit
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| 235 | # endif
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| 236 | #elif defined(__sh__)
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| 237 | # if defined(linux)
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| 238 | # define ARCH_PCI_INIT linuxPciInit
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| 239 | # endif
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| 240 | #elif defined(__sparc__) || defined(sparc)
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| 241 | # if defined(linux)
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| 242 | # define ARCH_PCI_INIT linuxPciInit
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| 243 | # elif defined(sun)
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| 244 | # define ARCH_PCI_INIT sparcPciInit
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| 245 | # endif
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| 246 | # if !defined(__FreeBSD__) && !defined(linux)
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| 247 | # define ARCH_PCI_PCI_BRIDGE sparcPciPciBridge
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| 248 | # endif
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| 249 | #elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__)
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| 250 | # if defined(linux)
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| 251 | # define ARCH_PCI_INIT linuxPciInit
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| 252 | # else
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| 253 | # define ARCH_PCI_INIT ix86PciInit
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| 254 | # endif
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| 255 | #endif
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| 256 | #endif /* !defined(ARCH_PCI_INIT) */
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| 257 |
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| 258 | #ifndef ARCH_PCI_INIT
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| 259 | #error No PCI support available for this architecture/OS combination
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| 260 | #endif
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| 261 |
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| 262 | extern void ARCH_PCI_INIT(void);
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| 263 |
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| 264 | #if defined(XF86SCANPCI_WRAPPER)
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| 265 | typedef enum {
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| 266 | SCANPCI_INIT,
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| 267 | SCANPCI_TERM
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| 268 | } scanpciWrapperOpt;
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| 269 | extern void XF86SCANPCI_WRAPPER(scanpciWrapperOpt flags);
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| 270 | #endif
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| 271 |
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| 272 | /*
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| 273 | * Table of functions used to access a specific PCI bus domain
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| 274 | * (e.g. a primary PCI bus and all of its secondaries)
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| 275 | */
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| 276 | typedef struct pci_bus_funcs {
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| 277 | ADDRESS (*pciAddrBusToHost)(PCITAG, PciAddrType, ADDRESS);
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| 278 | } pciBusFuncs_t, *pciBusFuncs_p;
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| 279 |
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| 280 | /*
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| 281 | * pciBusInfo_t - One structure per defined PCI bus
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| 282 | */
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| 283 | typedef struct pci_bus_info {
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| 284 | unsigned char configMech; /* PCI config type to use */
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| 285 | unsigned char numDevices; /* Range of valid devnums */
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| 286 | unsigned char secondary; /* Boolean: bus is a secondary */
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| 287 | int primary_bus; /* Parent bus */
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| 288 | pciBusFuncs_p funcs; /* PCI access functions */
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| 289 | void *pciBusPriv; /* Implementation private data */
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| 290 | struct pci_device *bridge; /* bridge that opens this bus */
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| 291 | } pciBusInfo_t;
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| 292 |
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| 293 | #define HOST_NO_BUS ((pciBusInfo_t *)(-1))
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| 294 |
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| 295 | /* configMech values */
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| 296 | #define PCI_CFG_MECH_UNKNOWN 0 /* Not yet known */
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| 297 | #define PCI_CFG_MECH_1 1 /* Most machines */
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| 298 | #define PCI_CFG_MECH_2 2 /* Older PC's */
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| 299 | #define PCI_CFG_MECH_OTHER 3 /* Something else */
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| 300 |
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| 301 | /* Generic PCI service functions and helpers */
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| 302 | CARD32 pciCfgMech1Read(PCITAG tag, int offset);
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| 303 | void pciCfgMech1Write(PCITAG tag, int offset, CARD32 val);
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| 304 | void pciCfgMech1SetBits(PCITAG tag, int offset, CARD32 mask,
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| 305 | CARD32 val);
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| 306 | ADDRESS pciAddrNOOP(PCITAG tag, PciAddrType type, ADDRESS);
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| 307 |
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| 308 | extern int pciMaxBusNum;
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| 309 |
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| 310 | extern pciBusInfo_t *pciBusInfo[];
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| 311 |
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| 312 | #endif /* _PCI_H */
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