xref: /dragonfly/sys/bus/pci/pci_if.m (revision 1de703da)
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: src/sys/pci/pci_if.m,v 1.2.2.1 2001/07/21 22:40:26 imp Exp $
27# $DragonFly: src/sys/bus/pci/pci_if.m,v 1.2 2003/06/17 04:28:57 dillon Exp $
28#
29
30INTERFACE pci;
31
32METHOD u_int32_t read_config {
33	device_t	dev;
34	device_t	child;
35	int		reg;
36	int		width;
37};
38
39METHOD void write_config {
40	device_t	dev;
41	device_t	child;
42	int		reg;
43	u_int32_t	val;
44	int		width;
45};
46
47METHOD int get_powerstate {
48	device_t	dev;
49	device_t	child;
50};
51
52METHOD int set_powerstate {
53	device_t	dev;
54	device_t	child;
55	int		state;
56};
57
58METHOD void enable_busmaster {
59	device_t	dev;
60	device_t	child;
61};
62
63METHOD void disable_busmaster {
64	device_t	dev;
65	device_t	child;
66};
67
68METHOD void enable_io {
69	device_t	dev;
70	device_t	child;
71	int		space;
72};
73
74METHOD void disable_io {
75	device_t	dev;
76	device_t	child;
77	int		space;
78};
79
80#
81# Route an interrupt.  Returns a value suitable for stuffing into
82# a device's interrupt register.
83#
84METHOD int route_interrupt {
85	device_t pcib;
86	device_t dev;
87	int pin;
88};
89