xref: /dragonfly/sys/dev/sound/pcm/channel_if.m (revision d4ef6694) 
1#-
2# KOBJ
3#
4# Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD: src/sys/dev/sound/pcm/channel_if.m,v 1.5 2005/01/06 01:43:20 imp Exp $
29# $DragonFly: src/sys/dev/sound/pcm/channel_if.m,v 1.3 2007/01/04 21:47:03 corecode Exp $
30#
31
32#include <dev/sound/pcm/sound.h>
33
34INTERFACE channel;
35
36CODE {
37
38	static int
39	channel_nosetdir(kobj_t obj, void *data, int dir)
40	{
41		return 0;
42	}
43
44	static int
45	channel_noreset(kobj_t obj, void *data)
46	{
47		return 0;
48	}
49
50	static int
51	channel_noresetdone(kobj_t obj, void *data)
52	{
53		return 0;
54	}
55
56	static int
57	channel_nofree(kobj_t obj, void *data)
58	{
59		return 1;
60	}
61
62	static u_int32_t
63	channel_nogetptr(kobj_t obj, void *data)
64	{
65		return 0;
66	}
67
68	static int
69	channel_nonotify(kobj_t obj, void *data, u_int32_t changed)
70	{
71		return 0;
72	}
73
74};
75
76METHOD void* init {
77	kobj_t obj;
78	void *devinfo;
79	struct snd_dbuf *b;
80	struct pcm_channel *c;
81	int dir;
82};
83
84METHOD int free {
85	kobj_t obj;
86	void *data;
87} DEFAULT channel_nofree;
88
89METHOD int reset {
90	kobj_t obj;
91	void *data;
92} DEFAULT channel_noreset;
93
94METHOD int resetdone {
95	kobj_t obj;
96	void *data;
97} DEFAULT channel_noresetdone;
98
99METHOD int setdir {
100	kobj_t obj;
101	void *data;
102	int dir;
103} DEFAULT channel_nosetdir;
104
105METHOD u_int32_t setformat {
106	kobj_t obj;
107	void *data;
108	u_int32_t format;
109};
110
111METHOD u_int32_t setspeed {
112	kobj_t obj;
113	void *data;
114	u_int32_t speed;
115};
116
117METHOD u_int32_t setblocksize {
118	kobj_t obj;
119	void *data;
120	u_int32_t blocksize;
121};
122
123METHOD int trigger {
124	kobj_t obj;
125	void *data;
126	int go;
127};
128
129METHOD u_int32_t getptr {
130	kobj_t obj;
131	void *data;
132} DEFAULT channel_nogetptr;
133
134METHOD struct pcmchan_caps* getcaps {
135	kobj_t obj;
136	void *data;
137};
138
139METHOD int notify {
140	kobj_t obj;
141	void *data;
142	u_int32_t changed;
143} DEFAULT channel_nonotify;
144