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: releng/6.1/sys/dev/sound/pcm/channel_if.m 139749 2005-01-06 01:43:34Z imp $
29 #
30
31 #include <dev/sound/pcm/sound.h>
32
33 INTERFACE channel;
34
35 CODE {
36
37 static int
38 channel_nosetdir(kobj_t obj, void *data, int dir)
39 {
40 return 0;
41 }
42
43 static int
44 channel_noreset(kobj_t obj, void *data)
45 {
46 return 0;
47 }
48
49 static int
50 channel_noresetdone(kobj_t obj, void *data)
51 {
52 return 0;
53 }
54
55 static int
56 channel_nofree(kobj_t obj, void *data)
57 {
58 return 1;
59 }
60
61 static u_int32_t
62 channel_nogetptr(kobj_t obj, void *data)
63 {
64 return 0;
65 }
66
67 static int
68 channel_nonotify(kobj_t obj, void *data, u_int32_t changed)
69 {
70 return 0;
71 }
72
73 };
74
75 METHOD void* init {
76 kobj_t obj;
77 void *devinfo;
78 struct snd_dbuf *b;
79 struct pcm_channel *c;
80 int dir;
81 };
82
83 METHOD int free {
84 kobj_t obj;
85 void *data;
86 } DEFAULT channel_nofree;
87
88 METHOD int reset {
89 kobj_t obj;
90 void *data;
91 } DEFAULT channel_noreset;
92
93 METHOD int resetdone {
94 kobj_t obj;
95 void *data;
96 } DEFAULT channel_noresetdone;
97
98 METHOD int setdir {
99 kobj_t obj;
100 void *data;
101 int dir;
102 } DEFAULT channel_nosetdir;
103
104 METHOD u_int32_t setformat {
105 kobj_t obj;
106 void *data;
107 u_int32_t format;
108 };
109
110 METHOD u_int32_t setspeed {
111 kobj_t obj;
112 void *data;
113 u_int32_t speed;
114 };
115
116 METHOD u_int32_t setblocksize {
117 kobj_t obj;
118 void *data;
119 u_int32_t blocksize;
120 };
121
122 METHOD int trigger {
123 kobj_t obj;
124 void *data;
125 int go;
126 };
127
128 METHOD u_int32_t getptr {
129 kobj_t obj;
130 void *data;
131 } DEFAULT channel_nogetptr;
132
133 METHOD struct pcmchan_caps* getcaps {
134 kobj_t obj;
135 void *data;
136 };
137
138 METHOD int notify {
139 kobj_t obj;
140 void *data;
141 u_int32_t changed;
142 } DEFAULT channel_nonotify;
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