xref: /dragonfly/sys/dev/sound/pcm/ac97_if.m (revision 2cd2d2b5)
1# KOBJ
2#
3# Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: src/sys/dev/sound/pcm/ac97_if.m,v 1.1.2.3 2002/04/22 15:49:35 cg Exp $
28# $DragonFly: src/sys/dev/sound/pcm/ac97_if.m,v 1.3 2003/11/15 21:12:53 asmodai Exp $
29#
30
31#include <dev/sound/pcm/sound.h>
32
33INTERFACE ac97;
34
35CODE {
36
37	static u_int32_t
38	ac97_noinit(kobj_t obj, void *devinfo)
39	{
40		return 1;
41	}
42
43};
44
45METHOD u_int32_t init {
46	kobj_t obj;
47	void *devinfo;
48} DEFAULT ac97_noinit;
49
50METHOD int read {
51	kobj_t obj;
52	void *devinfo;
53	int regno;
54};
55
56METHOD int write {
57	kobj_t obj;
58	void *devinfo;
59	int regno;
60	u_int32_t data;
61};
62
63