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
|
/* $OpenBSD: pcivar.h,v 1.14 1999/02/01 16:35:49 pefo Exp $ */
/* $NetBSD: pcivar.h,v 1.23 1997/06/06 23:48:05 thorpej Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
* Copyright (c) 1994 Charles Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_PCI_PCIVAR_H_
#define _DEV_PCI_PCIVAR_H_
/*
* Definitions for PCI autoconfiguration.
*
* This file describes types and functions which are used for PCI
* configuration. Some of this information is machine-specific, and is
* provided by pci_machdep.h.
*/
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
/*
* Structures and definitions needed by the machine-dependent header.
*/
typedef u_int32_t pcireg_t; /* configuration space register XXX */
struct pcibus_attach_args;
/*
* Machine-dependent definitions.
*/
#if (alpha + atari + i386 + arc + powerpc + galileo != 1)
ERROR: COMPILING FOR UNSUPPORTED MACHINE, OR MORE THAN ONE.
#endif
#if alpha
#include <alpha/pci/pci_machdep.h>
#endif
#if atari
#include <atari/pci/pci_machdep.h>
#endif
#if i386
#include <i386/pci/pci_machdep.h>
#endif
#if arc
#include <arc/pci/pci_machdep.h>
#endif
#if powerpc
#include <powerpc/pci/pci_machdep.h>
#endif
#if galileo
#include <galileo/pci/pci_machdep.h>
#endif
/*
* PCI bus attach arguments.
*/
struct pcibus_attach_args {
char *pba_busname; /* XXX should be common */
bus_space_tag_t pba_iot; /* pci i/o space tag */
bus_space_tag_t pba_memt; /* pci mem space tag */
bus_dma_tag_t pba_dmat; /* DMA tag */
pci_chipset_tag_t pba_pc;
int pba_bus; /* PCI bus number */
/*
* Interrupt swizzling information. These fields
* are only used by secondary busses.
*/
u_int pba_intrswiz; /* how to swizzle pins */
pcitag_t pba_intrtag; /* intr. appears to come from here */
};
/*
* PCI device attach arguments.
*/
struct pci_attach_args {
bus_space_tag_t pa_iot; /* pci i/o space tag */
bus_space_tag_t pa_memt; /* pci mem space tag */
bus_dma_tag_t pa_dmat; /* DMA tag */
pci_chipset_tag_t pa_pc;
u_int pa_device;
u_int pa_function;
pcitag_t pa_tag;
pcireg_t pa_id, pa_class;
/*
* Interrupt information.
*
* "Intrline" is used on systems whose firmware puts
* the right routing data into the line register in
* configuration space. The rest are used on systems
* that do not.
*/
u_int pa_intrswiz; /* how to swizzle pins if ppb */
pcitag_t pa_intrtag; /* intr. appears to come from here */
pci_intr_pin_t pa_intrpin; /* intr. appears on this pin */
pci_intr_line_t pa_intrline; /* intr. routing information */
};
/*
* Locators devices that attach to 'pcibus', as specified to config.
*/
#define pcibuscf_bus cf_loc[0]
#define PCIBUS_UNK_BUS -1 /* wildcarded 'bus' */
/*
* Locators for PCI devices, as specified to config.
*/
#define pcicf_dev cf_loc[0]
#define PCI_UNK_DEV -1 /* wildcarded 'dev' */
#define pcicf_function cf_loc[1]
#define PCI_UNK_FUNCTION -1 /* wildcarded 'function' */
/*
* Configuration space access and utility functions. (Note that most,
* e.g. make_tag, conf_read, conf_write are declared by pci_machdep.h.)
*/
int pci_io_find __P((pci_chipset_tag_t, pcitag_t, int, bus_addr_t *,
bus_size_t *));
int pci_mem_find __P((pci_chipset_tag_t, pcitag_t, int, bus_addr_t *,
bus_size_t *, int *));
/*
* Helper functions for autoconfiguration.
*/
void pci_devinfo __P((pcireg_t, pcireg_t, int, char *));
void set_pci_isa_bridge_callback __P((void (*)(void *), void *));
#endif /* _DEV_PCI_PCIVAR_H_ */
|
