isa_if.m revision 259065 
1#-
2# Copyright (c) 1999 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: releng/10.0/sys/isa/isa_if.m 139790 2005-01-06 22:18:23Z imp $
27#
28
29#include <sys/bus.h>
30#include <isa/isavar.h>
31
32INTERFACE isa;
33
34#
35# Add a Plug-and-play configuration to the device. Configurations with 
36# a lower priority are preferred.
37#
38METHOD int add_config {
39	device_t	dev;
40	device_t	child;
41	int		priority;
42	struct isa_config *config;
43};
44
45#
46# Register a function which can be called to configure a device with
47# a given set of resources. The function will be called with a struct
48# isa_config representing the desired configuration and a flag to
49# state whether the device should be enabled.
50#
51METHOD void set_config_callback {
52	device_t	dev;
53	device_t	child;
54	isa_config_cb	*fn;
55	void		*arg;
56};
57
58#
59# A helper method for implementing probe methods for PnP compatible
60# drivers. The driver calls this method with a list of PnP ids and
61# descriptions and it returns zero if one of the ids matches or ENXIO
62# otherwise.
63# 
64# If the device is not plug-and-play compatible, this method returns
65# ENOENT, allowing the caller to fall back to heuristic probing
66# techniques.
67#  
68METHOD int pnp_probe {
69	device_t	dev;
70	device_t	child;
71	struct isa_pnp_id *ids;
72};
73