FreeBSD/Linux Kernel Cross Reference
sys/isa/isa_if.m
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: src/sys/isa/isa_if.m,v 1.7 2005/01/06 22:18:23 imp Exp $
27 #
28
29 #include <sys/bus.h>
30 #include <isa/isavar.h>
31
32 INTERFACE isa;
33
34 #
35 # Add a Plug-and-play configuration to the device. Configurations with
36 # a lower priority are preferred.
37 #
38 METHOD 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 #
51 METHOD 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 #
68 METHOD int pnp_probe {
69 device_t dev;
70 device_t child;
71 struct isa_pnp_id *ids;
72 };
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