1 /* $NetBSD: audio_component.c,v 1.5 2019/05/08 13:40:19 isaki 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 1.5 2019/05/08 13:40:19 isaki 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/audio_if.h>
38
39 #include <rump-sys/kern.h>
40 #include <rump-sys/vfs.h>
41
RUMP_COMPONENT(RUMP_COMPONENT_DEV)42 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
43 {
44 extern const struct cdevsw audio_cdevsw;
45 extern devmajor_t audio_bmajor, audio_cmajor;
46 int error;
47
48 if ((error = devsw_attach("audio", NULL, &audio_bmajor,
49 &audio_cdevsw, &audio_cmajor)) != 0)
50 panic("audio devsw attach failed: %d", error);
51 if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/audio", '0',
52 audio_cmajor, AUDIO_DEVICE, 4)) !=0)
53 panic("cannot create audio device nodes: %d", error);
54 if ((error = rump_vfs_makesymlink("audio0", "/dev/audio")) != 0)
55 panic("cannot create audio symlink: %d", error);
56 if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/sound", '0',
57 audio_cmajor, SOUND_DEVICE, 4)) !=0)
58 panic("cannot create sound device nodes: %d", error);
59 if ((error = rump_vfs_makesymlink("sound0", "/dev/sound")) != 0)
60 panic("cannot create sound symlink: %d", error);
61 if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/audioctl", '0',
62 audio_cmajor, AUDIOCTL_DEVICE, 4)) !=0)
63 panic("cannot create audioctl device nodes: %d", error);
64 if ((error = rump_vfs_makesymlink("audioctl0", "/dev/audioctl")) != 0)
65 panic("cannot create audioctl symlink: %d", error);
66 if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/mixer", '0',
67 audio_cmajor, MIXER_DEVICE, 4)) !=0)
68 panic("cannot create mixer device nodes: %d", error);
69 if ((error = rump_vfs_makesymlink("mixer0", "/dev/mixer")) != 0)
70 panic("cannot create mixer symlink: %d", error);
71 devsw_detach(NULL, &audio_cdevsw);
72 }
73