xref: /netbsd-src/sys/rump/dev/lib/libaudio/audio_component.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /*	$NetBSD: audio_component.c,v 1.2 2015/06/08 12:18:04 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 Antti Kantee.  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 ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * 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 OR
21  * 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 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: audio_component.c,v 1.2 2015/06/08 12:18:04 pooka Exp $");
30 
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/mbuf.h>
35 #include <sys/stat.h>
36 
37 #include <dev/audio_if.h>
38 
39 #include "ioconf.c"
40 
41 #include "rump_private.h"
42 #include "rump_vfs_private.h"
43 
44 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
45 {
46         extern const struct cdevsw audio_cdevsw;
47 	devmajor_t bmaj, cmaj;
48 	int error;
49 
50 	config_init_component(cfdriver_ioconf_audio,
51 	    cfattach_ioconf_audio, cfdata_ioconf_audio);
52 
53 	bmaj = cmaj = NODEVMAJOR;
54 	if ((error = devsw_attach("audio", NULL, &bmaj,
55 	    &audio_cdevsw, &cmaj)) != 0)
56 		panic("audio devsw attach failed: %d", error);
57 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/audio", '0',
58 	    cmaj, AUDIO_DEVICE, 4)) !=0)
59 		panic("cannot create audio device nodes: %d", error);
60 	if ((error = rump_vfs_makesymlink("audio0", "/dev/audio")) != 0)
61 		panic("cannot create audio symlink: %d", error);
62 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/sound", '0',
63 	    cmaj, SOUND_DEVICE, 4)) !=0)
64 		panic("cannot create sound device nodes: %d", error);
65 	if ((error = rump_vfs_makesymlink("sound0", "/dev/sound")) != 0)
66 		panic("cannot create sound symlink: %d", error);
67 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/audioctl", '0',
68 	    cmaj, AUDIOCTL_DEVICE, 4)) !=0)
69 		panic("cannot create audioctl device nodes: %d", error);
70 	if ((error = rump_vfs_makesymlink("audioctl0", "/dev/audioctl")) != 0)
71 		panic("cannot create audioctl symlink: %d", error);
72 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/mixer", '0',
73 	    cmaj, MIXER_DEVICE, 4)) !=0)
74 		panic("cannot create mixer device nodes: %d", error);
75 	if ((error = rump_vfs_makesymlink("mixer0", "/dev/mixer")) != 0)
76 		panic("cannot create mixer symlink: %d", error);
77 }
78