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 42RUMP_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