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
34 INTERFACE channel;
35
36 CODE {
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
76 METHOD void* init {
77 kobj_t obj;
78 void *devinfo;
79 struct snd_dbuf *b;
80 struct pcm_channel *c;
81 int dir;
82 };
83
84 METHOD int free {
85 kobj_t obj;
86 void *data;
87 } DEFAULT channel_nofree;
88
89 METHOD int reset {
90 kobj_t obj;
91 void *data;
92 } DEFAULT channel_noreset;
93
94 METHOD int resetdone {
95 kobj_t obj;
96 void *data;
97 } DEFAULT channel_noresetdone;
98
99 METHOD int setdir {
100 kobj_t obj;
101 void *data;
102 int dir;
103 } DEFAULT channel_nosetdir;
104
105 METHOD u_int32_t setformat {
106 kobj_t obj;
107 void *data;
108 u_int32_t format;
109 };
110
111 METHOD u_int32_t setspeed {
112 kobj_t obj;
113 void *data;
114 u_int32_t speed;
115 };
116
117 METHOD u_int32_t setblocksize {
118 kobj_t obj;
119 void *data;
120 u_int32_t blocksize;
121 };
122
123 METHOD int trigger {
124 kobj_t obj;
125 void *data;
126 int go;
127 };
128
129 METHOD u_int32_t getptr {
130 kobj_t obj;
131 void *data;
132 } DEFAULT channel_nogetptr;
133
134 METHOD struct pcmchan_caps* getcaps {
135 kobj_t obj;
136 void *data;
137 };
138
139 METHOD int notify {
140 kobj_t obj;
141 void *data;
142 u_int32_t changed;
143 } DEFAULT channel_nonotify;
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