| 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 contains just the public interface to the PCI code.
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| 101 | * Drivers should use this file rather than Pci.h.
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| 102 | */
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| 103 |
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| 104 | #ifndef _XF86PCI_H
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| 105 | #define _XF86PCI_H 1
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| 106 | #include <X11/Xarch.h>
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| 107 | #include <X11/Xfuncproto.h>
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| 108 | #include "misc.h"
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| 109 | #include <pciaccess.h>
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| 110 |
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| 111 | /*
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| 112 | * PCI cfg space definitions (e.g. stuff right out of the PCI spec)
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| 113 | */
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| 114 |
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| 115 | /* Device identification register */
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| 116 | #define PCI_ID_REG 0x00
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| 117 |
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| 118 | /* Command and status register */
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| 119 | #define PCI_CMD_STAT_REG 0x04
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| 120 | #define PCI_CMD_BASE_REG 0x10
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| 121 | #define PCI_CMD_BIOS_REG 0x30
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| 122 | #define PCI_CMD_MASK 0xffff
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| 123 | #define PCI_CMD_IO_ENABLE 0x01
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| 124 | #define PCI_CMD_MEM_ENABLE 0x02
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| 125 | #define PCI_CMD_MASTER_ENABLE 0x04
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| 126 | #define PCI_CMD_SPECIAL_ENABLE 0x08
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| 127 | #define PCI_CMD_INVALIDATE_ENABLE 0x10
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| 128 | #define PCI_CMD_PALETTE_ENABLE 0x20
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| 129 | #define PCI_CMD_PARITY_ENABLE 0x40
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| 130 | #define PCI_CMD_STEPPING_ENABLE 0x80
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| 131 | #define PCI_CMD_SERR_ENABLE 0x100
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| 132 | #define PCI_CMD_BACKTOBACK_ENABLE 0x200
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| 133 | #define PCI_CMD_BIOS_ENABLE 0x01
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| 134 |
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| 135 | /* base class */
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| 136 | #define PCI_CLASS_REG 0x08
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| 137 | #define PCI_CLASS_MASK 0xff000000
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| 138 | #define PCI_CLASS_SHIFT 24
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| 139 | #define PCI_CLASS_EXTRACT(x) \
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| 140 | (((x) & PCI_CLASS_MASK) >> PCI_CLASS_SHIFT)
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| 141 |
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| 142 | /* base class values */
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| 143 | #define PCI_CLASS_PREHISTORIC 0x00
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| 144 | #define PCI_CLASS_MASS_STORAGE 0x01
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| 145 | #define PCI_CLASS_NETWORK 0x02
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| 146 | #define PCI_CLASS_DISPLAY 0x03
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| 147 | #define PCI_CLASS_MULTIMEDIA 0x04
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| 148 | #define PCI_CLASS_MEMORY 0x05
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| 149 | #define PCI_CLASS_BRIDGE 0x06
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| 150 | #define PCI_CLASS_COMMUNICATIONS 0x07
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| 151 | #define PCI_CLASS_SYSPERIPH 0x08
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| 152 | #define PCI_CLASS_INPUT 0x09
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| 153 | #define PCI_CLASS_DOCKING 0x0a
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| 154 | #define PCI_CLASS_PROCESSOR 0x0b
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| 155 | #define PCI_CLASS_SERIALBUS 0x0c
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| 156 | #define PCI_CLASS_WIRELESS 0x0d
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| 157 | #define PCI_CLASS_I2O 0x0e
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| 158 | #define PCI_CLASS_SATELLITE 0x0f
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| 159 | #define PCI_CLASS_CRYPT 0x10
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| 160 | #define PCI_CLASS_DATA_ACQUISTION 0x11
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| 161 | #define PCI_CLASS_UNDEFINED 0xff
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| 162 |
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| 163 | /* sub class */
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| 164 | #define PCI_SUBCLASS_MASK 0x00ff0000
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| 165 | #define PCI_SUBCLASS_SHIFT 16
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| 166 | #define PCI_SUBCLASS_EXTRACT(x) \
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| 167 | (((x) & PCI_SUBCLASS_MASK) >> PCI_SUBCLASS_SHIFT)
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| 168 |
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| 169 | /* Sub class values */
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| 170 | /* 0x00 prehistoric subclasses */
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| 171 | #define PCI_SUBCLASS_PREHISTORIC_MISC 0x00
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| 172 | #define PCI_SUBCLASS_PREHISTORIC_VGA 0x01
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| 173 |
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| 174 | /* 0x03 display subclasses */
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| 175 | #define PCI_SUBCLASS_DISPLAY_VGA 0x00
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| 176 | #define PCI_SUBCLASS_DISPLAY_XGA 0x01
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| 177 | #define PCI_SUBCLASS_DISPLAY_MISC 0x80
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| 178 |
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| 179 | /* 0x04 multimedia subclasses */
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| 180 | #define PCI_SUBCLASS_MULTIMEDIA_VIDEO 0x00
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| 181 | #define PCI_SUBCLASS_MULTIMEDIA_AUDIO 0x01
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| 182 | #define PCI_SUBCLASS_MULTIMEDIA_MISC 0x80
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| 183 |
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| 184 | /* 0x06 bridge subclasses */
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| 185 | #define PCI_SUBCLASS_BRIDGE_HOST 0x00
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| 186 | #define PCI_SUBCLASS_BRIDGE_ISA 0x01
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| 187 | #define PCI_SUBCLASS_BRIDGE_EISA 0x02
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| 188 | #define PCI_SUBCLASS_BRIDGE_MC 0x03
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| 189 | #define PCI_SUBCLASS_BRIDGE_PCI 0x04
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| 190 | #define PCI_SUBCLASS_BRIDGE_PCMCIA 0x05
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| 191 | #define PCI_SUBCLASS_BRIDGE_NUBUS 0x06
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| 192 | #define PCI_SUBCLASS_BRIDGE_CARDBUS 0x07
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| 193 | #define PCI_SUBCLASS_BRIDGE_RACEWAY 0x08
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| 194 | #define PCI_SUBCLASS_BRIDGE_MISC 0x80
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| 195 | #define PCI_IF_BRIDGE_PCI_SUBTRACTIVE 0x01
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| 196 |
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| 197 | /* 0x0b processor subclasses */
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| 198 | #define PCI_SUBCLASS_PROCESSOR_386 0x00
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| 199 | #define PCI_SUBCLASS_PROCESSOR_486 0x01
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| 200 | #define PCI_SUBCLASS_PROCESSOR_PENTIUM 0x02
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| 201 | #define PCI_SUBCLASS_PROCESSOR_ALPHA 0x10
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| 202 | #define PCI_SUBCLASS_PROCESSOR_POWERPC 0x20
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| 203 | #define PCI_SUBCLASS_PROCESSOR_MIPS 0x30
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| 204 | #define PCI_SUBCLASS_PROCESSOR_COPROC 0x40
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| 205 |
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| 206 | /* PCI-PCI bridge mapping registers */
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| 207 | #define PCI_PCI_BRIDGE_BUS_REG 0x18
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| 208 | #define PCI_SUBORDINATE_BUS_MASK 0x00ff0000
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| 209 | #define PCI_SECONDARY_BUS_MASK 0x0000ff00
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| 210 | #define PCI_PRIMARY_BUS_MASK 0x000000ff
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| 211 |
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| 212 | #define PCI_PCI_BRIDGE_IO_REG 0x1c
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| 213 | #define PCI_PCI_BRIDGE_MEM_REG 0x20
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| 214 | #define PCI_PCI_BRIDGE_PMEM_REG 0x24
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| 215 |
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| 216 | #define PCI_PCI_BRIDGE_CONTROL_REG 0x3E
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| 217 | #define PCI_PCI_BRIDGE_PARITY_EN 0x01
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| 218 | #define PCI_PCI_BRIDGE_SERR_EN 0x02
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| 219 | #define PCI_PCI_BRIDGE_ISA_EN 0x04
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| 220 | #define PCI_PCI_BRIDGE_VGA_EN 0x08
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| 221 | #define PCI_PCI_BRIDGE_MASTER_ABORT_EN 0x20
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| 222 | #define PCI_PCI_BRIDGE_SECONDARY_RESET 0x40
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| 223 | #define PCI_PCI_BRIDGE_FAST_B2B_EN 0x80
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| 224 |
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| 225 | /* Subsystem identification register */
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| 226 | #define PCI_SUBSYSTEM_ID_REG 0x2c
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| 227 |
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| 228 | /* User defined cfg space regs */
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| 229 | #define PCI_REG_USERCONFIG 0x40
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| 230 | #define PCI_OPTION_REG 0x40
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| 231 |
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| 232 | /*
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| 233 | * Typedefs, etc...
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| 234 | */
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| 235 |
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| 236 | /* Primitive Types */
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| 237 | typedef unsigned long ADDRESS; /* Memory/PCI address */
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| 238 | typedef unsigned long IOADDRESS; /* Must be large enough for a pointer */
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| 239 | typedef unsigned long PCITAG;
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| 240 |
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| 241 | typedef enum {
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| 242 | PCI_MEM,
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| 243 | PCI_MEM_SIZE,
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| 244 | PCI_MEM_SPARSE_BASE,
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| 245 | PCI_MEM_SPARSE_MASK,
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| 246 | PCI_IO,
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| 247 | PCI_IO_SIZE,
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| 248 | PCI_IO_SPARSE_BASE,
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| 249 | PCI_IO_SPARSE_MASK
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| 250 | } PciAddrType;
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| 251 |
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| 252 |
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| 253 | /* Public PCI access functions */
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| 254 | ADDRESS pciBusAddrToHostAddr(PCITAG tag, PciAddrType type, ADDRESS addr);
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| 255 | PCITAG pciTag(int busnum, int devnum, int funcnum);
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| 256 | Bool xf86scanpci(void);
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| 257 |
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| 258 | extern int pciNumBuses;
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| 259 |
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| 260 | /* Domain access functions. Some of these probably shouldn't be public */
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| 261 | pointer xf86MapDomainMemory(int ScreenNum, int Flags, struct pci_device *dev,
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| 262 | ADDRESS Base, unsigned long Size);
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| 263 | IOADDRESS xf86MapLegacyIO(struct pci_device *dev);
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| 264 |
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| 265 | #endif /* _XF86PCI_H */
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