aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/os-support/bus/xf86Pci.h
blob: 74ead201e328c5dab8fb6b4ef78494f5488e404c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*
 * Copyright 1998 by Concurrent Computer Corporation
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and that
 * both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of Concurrent Computer
 * Corporation not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission.  Concurrent Computer Corporation makes no representations
 * about the suitability of this software for any purpose.  It is
 * provided "as is" without express or implied warranty.
 *
 * CONCURRENT COMPUTER CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD
 * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CONCURRENT COMPUTER CORPORATION BE
 * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 *
 * Copyright 1998 by Metro Link Incorporated
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and that
 * both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of Metro Link
 * Incorporated not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission.  Metro Link Incorporated makes no representations
 * about the suitability of this software for any purpose.  It is
 * provided "as is" without express or implied warranty.
 *
 * METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
 * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED BE
 * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 *
 * This file is derived in part from the original xf86_PCI.h that included
 * following copyright message:
 *
 * Copyright 1995 by Robin Cutshaw <robin@XFree86.Org>
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the names of the above listed copyright holder(s)
 * not be used in advertising or publicity pertaining to distribution of
 * the software without specific, written prior permission.  The above listed
 * copyright holder(s) make(s) no representations about the suitability of this
 * software for any purpose.  It is provided "as is" without express or
 * implied warranty.
 *
 * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
 * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
 * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */
/*
 * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */


/*
 * This file contains just the public interface to the PCI code.
 * Drivers should use this file rather than Pci.h.
 */

#ifndef _XF86PCI_H
#define _XF86PCI_H 1
#include <X11/Xarch.h>
#include <X11/Xfuncproto.h>
#include "misc.h"
#include <pciaccess.h>

/*
 * PCI cfg space definitions (e.g. stuff right out of the PCI spec)
 */

/* Device identification register */
#define PCI_ID_REG			0x00

/* Command and status register */
#define PCI_CMD_STAT_REG		0x04
#define PCI_CMD_BASE_REG		0x10
#define PCI_CMD_BIOS_REG		0x30
#define PCI_CMD_MASK			0xffff
#define PCI_CMD_IO_ENABLE		0x01
#define PCI_CMD_MEM_ENABLE		0x02
#define PCI_CMD_MASTER_ENABLE		0x04
#define PCI_CMD_SPECIAL_ENABLE		0x08
#define PCI_CMD_INVALIDATE_ENABLE	0x10
#define PCI_CMD_PALETTE_ENABLE		0x20
#define PCI_CMD_PARITY_ENABLE		0x40
#define PCI_CMD_STEPPING_ENABLE		0x80
#define PCI_CMD_SERR_ENABLE		0x100
#define PCI_CMD_BACKTOBACK_ENABLE	0x200
#define PCI_CMD_BIOS_ENABLE		0x01

/* base class */
#define PCI_CLASS_REG		0x08
#define PCI_CLASS_MASK		0xff000000
#define PCI_CLASS_SHIFT		24
#define PCI_CLASS_EXTRACT(x)	\
	(((x) & PCI_CLASS_MASK) >> PCI_CLASS_SHIFT)

/* base class values */
#define PCI_CLASS_PREHISTORIC		0x00
#define PCI_CLASS_MASS_STORAGE		0x01
#define PCI_CLASS_NETWORK		0x02
#define PCI_CLASS_DISPLAY		0x03
#define PCI_CLASS_MULTIMEDIA		0x04
#define PCI_CLASS_MEMORY		0x05
#define PCI_CLASS_BRIDGE		0x06
#define PCI_CLASS_COMMUNICATIONS	0x07
#define PCI_CLASS_SYSPERIPH		0x08
#define PCI_CLASS_INPUT			0x09
#define PCI_CLASS_DOCKING		0x0a
#define PCI_CLASS_PROCESSOR		0x0b
#define PCI_CLASS_SERIALBUS		0x0c
#define PCI_CLASS_WIRELESS		0x0d
#define PCI_CLASS_I2O			0x0e
#define PCI_CLASS_SATELLITE		0x0f
#define PCI_CLASS_CRYPT			0x10
#define PCI_CLASS_DATA_ACQUISTION	0x11
#define PCI_CLASS_UNDEFINED		0xff

/* sub class */
#define PCI_SUBCLASS_MASK	0x00ff0000
#define PCI_SUBCLASS_SHIFT	16
#define PCI_SUBCLASS_EXTRACT(x)	\
	(((x) & PCI_SUBCLASS_MASK) >> PCI_SUBCLASS_SHIFT)

/* Sub class values */
/* 0x00 prehistoric subclasses */
#define PCI_SUBCLASS_PREHISTORIC_MISC	0x00
#define PCI_SUBCLASS_PREHISTORIC_VGA	0x01

/* 0x03 display subclasses */
#define PCI_SUBCLASS_DISPLAY_VGA	0x00
#define PCI_SUBCLASS_DISPLAY_XGA	0x01
#define PCI_SUBCLASS_DISPLAY_MISC	0x80

/* 0x04 multimedia subclasses */
#define PCI_SUBCLASS_MULTIMEDIA_VIDEO	0x00
#define PCI_SUBCLASS_MULTIMEDIA_AUDIO	0x01
#define PCI_SUBCLASS_MULTIMEDIA_MISC	0x80

/* 0x06 bridge subclasses */
#define PCI_SUBCLASS_BRIDGE_HOST	0x00
#define PCI_SUBCLASS_BRIDGE_ISA		0x01
#define PCI_SUBCLASS_BRIDGE_EISA	0x02
#define PCI_SUBCLASS_BRIDGE_MC		0x03
#define PCI_SUBCLASS_BRIDGE_PCI		0x04
#define PCI_SUBCLASS_BRIDGE_PCMCIA	0x05
#define PCI_SUBCLASS_BRIDGE_NUBUS	0x06
#define PCI_SUBCLASS_BRIDGE_CARDBUS	0x07
#define PCI_SUBCLASS_BRIDGE_RACEWAY	0x08
#define PCI_SUBCLASS_BRIDGE_MISC	0x80
#define PCI_IF_BRIDGE_PCI_SUBTRACTIVE	0x01

/* 0x0b processor subclasses */
#define PCI_SUBCLASS_PROCESSOR_386	0x00
#define PCI_SUBCLASS_PROCESSOR_486	0x01
#define PCI_SUBCLASS_PROCESSOR_PENTIUM	0x02
#define PCI_SUBCLASS_PROCESSOR_ALPHA	0x10
#define PCI_SUBCLASS_PROCESSOR_POWERPC	0x20
#define PCI_SUBCLASS_PROCESSOR_MIPS	0x30
#define PCI_SUBCLASS_PROCESSOR_COPROC	0x40

/* PCI-PCI bridge mapping registers */
#define PCI_PCI_BRIDGE_BUS_REG		0x18
#define PCI_SUBORDINATE_BUS_MASK	0x00ff0000
#define PCI_SECONDARY_BUS_MASK		0x0000ff00
#define PCI_PRIMARY_BUS_MASK		0x000000ff

#define PCI_PCI_BRIDGE_IO_REG		0x1c
#define PCI_PCI_BRIDGE_MEM_REG		0x20
#define PCI_PCI_BRIDGE_PMEM_REG		0x24

#define PCI_PCI_BRIDGE_CONTROL_REG	0x3E
#define PCI_PCI_BRIDGE_PARITY_EN	0x01
#define PCI_PCI_BRIDGE_SERR_EN		0x02
#define PCI_PCI_BRIDGE_ISA_EN		0x04
#define PCI_PCI_BRIDGE_VGA_EN		0x08
#define PCI_PCI_BRIDGE_MASTER_ABORT_EN	0x20
#define PCI_PCI_BRIDGE_SECONDARY_RESET	0x40
#define PCI_PCI_BRIDGE_FAST_B2B_EN	0x80

/* Subsystem identification register */
#define PCI_SUBSYSTEM_ID_REG		0x2c

/* User defined cfg space regs */
#define PCI_REG_USERCONFIG		0x40
#define PCI_OPTION_REG			0x40

/*
 * Typedefs, etc...
 */

/* Primitive Types */
typedef unsigned long ADDRESS;		/* Memory/PCI address */
typedef unsigned long IOADDRESS _X_DEPRECATED;	/* Must be large enough for a pointer */
typedef CARD32 PCITAG _X_DEPRECATED;

typedef enum {
    PCI_MEM,
    PCI_MEM_SIZE,
    PCI_MEM_SPARSE_BASE,
    PCI_MEM_SPARSE_MASK,
    PCI_IO,
    PCI_IO_SIZE,
    PCI_IO_SPARSE_BASE,
    PCI_IO_SPARSE_MASK
} PciAddrType;


/* Public PCI access functions */
extern _X_EXPORT Bool xf86scanpci(void);

/* Domain access functions.  Some of these probably shouldn't be public */
extern _X_EXPORT struct pci_io_handle *xf86MapLegacyIO(struct pci_device *dev);
extern _X_EXPORT void xf86UnmapLegacyIO(struct pci_device *, struct pci_io_handle *);

#endif /* _XF86PCI_H */