pci_if.m revision 113544 
1#
2# Copyright (c) 1998 Doug Rabson
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD: head/sys/dev/pci/pci_if.m 113544 2003-04-16 03:15:08Z mdodd $
27#
28
29#include <sys/bus.h>
30
31INTERFACE pci;
32
33METHOD u_int32_t read_config {
34	device_t	dev;
35	device_t	child;
36	int		reg;
37	int		width;
38};
39
40METHOD void write_config {
41	device_t	dev;
42	device_t	child;
43	int		reg;
44	u_int32_t	val;
45	int		width;
46};
47
48METHOD int get_powerstate {
49	device_t	dev;
50	device_t	child;
51};
52
53METHOD int set_powerstate {
54	device_t	dev;
55	device_t	child;
56	int		state;
57};
58
59METHOD int enable_busmaster {
60	device_t	dev;
61	device_t	child;
62};
63
64METHOD int disable_busmaster {
65	device_t	dev;
66	device_t	child;
67};
68
69METHOD int enable_io {
70	device_t	dev;
71	device_t	child;
72	int		space;
73};
74
75METHOD int disable_io {
76	device_t	dev;
77	device_t	child;
78	int		space;
79};
80