xref: /dragonfly/sys/bus/pci/pci_if.m (revision 606a6e92) 
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 1.4 2004/02/21 06:37:05 dillon Exp $
28#
29
30#include <sys/bus.h>
31
32INTERFACE pci;
33
34METHOD u_int32_t read_config {
35	device_t	dev;
36	device_t	child;
37	int		reg;
38	int		width;
39};
40
41METHOD void write_config {
42	device_t	dev;
43	device_t	child;
44	int		reg;
45	u_int32_t	val;
46	int		width;
47};
48
49METHOD int get_powerstate {
50	device_t	dev;
51	device_t	child;
52};
53
54METHOD int set_powerstate {
55	device_t	dev;
56	device_t	child;
57	int		state;
58};
59
60METHOD int enable_busmaster {
61	device_t	dev;
62	device_t	child;
63};
64
65METHOD int disable_busmaster {
66	device_t	dev;
67	device_t	child;
68};
69
70METHOD int enable_io {
71	device_t	dev;
72	device_t	child;
73	int		space;
74};
75
76METHOD int disable_io {
77	device_t	dev;
78	device_t	child;
79	int		space;
80};
81
82METHOD int assign_interrupt {
83	device_t        dev;
84	device_t        child;
85};
86
87
88#
89# Route an interrupt.  Returns a value suitable for stuffing into
90# a device's interrupt register.
91#
92METHOD int route_interrupt {
93	device_t pcib;
94	device_t dev;
95	int pin;
96};
97