On Fri, Oct 31, 2014 at 08:00:53PM +0100, Alexandre Ratchov wrote:
> I believe there are no recent binary-only programs that could use
> audio in linux emulation. I couldn't find a single example, and
> there are no examples in replies to my e-mail to misc@:
>
> https://marc.info/?l=openbsd-misc&m=141460646910168
>
> OK to remove it?
If you tested this on an actual system, I'm okay with this.
>
> --- arch/i386/conf/files.i386.orig Fri Oct 31 16:52:36 2014
> +++ arch/i386/conf/files.i386 Fri Oct 31 16:52:51 2014
> @@ -264,9 +264,6 @@ file arch/i386/i386/kvm86call.S kvm86
> include "compat/linux/files.linux"
> file arch/i386/i386/linux_machdep.c compat_linux
>
> -# OSS audio driver compatibility
> -include "compat/ossaudio/files.ossaudio"
> -
> device bios {}
> attach bios at mainbus
> file arch/i386/i386/bios.c bios needs-count
> --- compat/linux/linux_ioctl.c.orig Fri Oct 31 16:54:42 2014
> +++ compat/linux/linux_ioctl.c Fri Oct 31 16:58:14 2014
> @@ -48,9 +48,6 @@
> #include <compat/linux/linux_syscallargs.h>
> #include <compat/linux/linux_ioctl.h>
>
> -#include <compat/ossaudio/ossaudio.h>
> -#define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */
> -
> /*
> * Most ioctl command are just converted to their OpenBSD values,
> * and passed on. The ones that take structure pointers and (flag)
> @@ -71,12 +68,6 @@ linux_sys_ioctl(p, v, retval)
> } */ *uap = v;
>
> switch (LINUX_IOCGROUP(SCARG(uap, com))) {
> - case 'M':
> - return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval);
> - case 'Q':
> - return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval);
> - case 'P':
> - return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval);
> case 't':
> case 'f':
> case 'T': /* XXX MIDI sequencer uses 'T' as well */
> --- compat/linux/linux_ioctl.h.orig Fri Oct 31 16:55:09 2014
> +++ compat/linux/linux_ioctl.h Fri Oct 31 16:58:35 2014
> @@ -79,8 +79,6 @@
> #define LINUX_IOCGROUP(x) _LINUX_IOC_TYPE(x)
>
> struct linux_sys_ioctl_args;
> -int linux_ioctl_audio(struct proc *, struct linux_sys_ioctl_args *,
> - register_t *);
> int linux_machdepioctl(struct proc *, void *, register_t *);
> int linux_ioctl_termios(struct proc *, void *, register_t *);
> int linux_ioctl_cdrom(struct proc *, void *, register_t *);
> --- compat/ossaudio/files.ossaudio.orig Fri Oct 31 16:55:37 2014
> +++ compat/ossaudio/files.ossaudio Fri Oct 31 17:05:04 2014
> @@ -1,8 +0,0 @@
> -# $OpenBSD: files.ossaudio,v 1.5 2011/04/05 12:50:15 guenther Exp $
> -# $NetBSD: files.ossaudio,v 1.2 1997/07/20 20:35:44 pk Exp $
> -#
> -# Config file description for OSS (Voxware) audio driver
> -# compatibility. Used by compat_linux
> -# Included by ports that need it.
> -
> -file compat/ossaudio/ossaudio.c compat_linux
> --- compat/ossaudio/ossaudio.c.orig Fri Oct 31 16:55:45 2014
> +++ compat/ossaudio/ossaudio.c Fri Oct 31 17:05:04 2014
> @@ -1,852 +0,0 @@
> -/* $OpenBSD: ossaudio.c,v 1.16 2013/03/28 03:45:32 tedu Exp $ */
> -/* $NetBSD: ossaudio.c,v 1.23 1997/10/19 07:41:52 augustss Exp $ */
> -
> -/*
> - * Copyright (c) 1997 The NetBSD Foundation, Inc.
> - * All rights reserved.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
> - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> LIMITED
> - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
> - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> - * POSSIBILITY OF SUCH DAMAGE.
> - */
> -
> -#include <sys/param.h>
> -#include <sys/proc.h>
> -#include <sys/systm.h>
> -#include <sys/file.h>
> -#include <sys/vnode.h>
> -#include <sys/filedesc.h>
> -#include <sys/ioctl.h>
> -#include <sys/mount.h>
> -#include <sys/audioio.h>
> -
> -#include <sys/syscallargs.h>
> -
> -#include <compat/ossaudio/ossaudio.h>
> -#include <compat/ossaudio/ossaudiovar.h>
> -
> -#ifdef AUDIO_DEBUG
> -#define DPRINTF(x) if (ossdebug) printf x
> -int ossdebug = 0;
> -#else
> -#define DPRINTF(x)
> -#endif
> -
> -#define TO_OSSVOL(x) ((x) * 100 / 255)
> -#define FROM_OSSVOL(x) ((x) * 255 / 100)
> -
> -static struct audiodevinfo *getdevinfo(struct file *, struct proc *);
> -
> -static void setblocksize(struct file *, struct audio_info *, struct proc *);
> -
> -
> -int
> -oss_ioctl_audio(p, uap, retval)
> - struct proc *p;
> - struct oss_sys_ioctl_args /* {
> - syscallarg(int) fd;
> - syscallarg(u_long) com;
> - syscallarg(caddr_t) data;
> - } */ *uap;
> - register_t *retval;
> -{
> - struct file *fp;
> - struct filedesc *fdp;
> - u_long com;
> - struct audio_info tmpinfo;
> - struct audio_offset tmpoffs;
> - struct oss_audio_buf_info bufinfo;
> - struct oss_count_info cntinfo;
> - struct audio_encoding tmpenc;
> - struct audio_bufinfo tmpab;
> - u_long ldat;
> - u_int u;
> - int idat, idata;
> - int error = 0, tmperr = 0;
> - int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
> -
> - fdp = p->p_fd;
> - if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
> - return (EBADF);
> - FREF(fp);
> -
> - if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
> - FRELE(fp, p);
> - return (EBADF);
> - }
> -
> - ioctlf = fp->f_ops->fo_ioctl;
> -
> - com = SCARG(uap, com);
> - retval[0] = 0;
> -
> - DPRINTF(("oss_sys_ioctl: com=%08lx\n", com));
> - switch (com) {
> - case OSS_SNDCTL_DSP_RESET:
> - error = ioctlf(fp, AUDIO_FLUSH, (caddr_t)0, p);
> - break;
> - case OSS_SNDCTL_DSP_SYNC:
> - error = ioctlf(fp, AUDIO_DRAIN, (caddr_t)0, p);
> - break;
> - case OSS_SNDCTL_DSP_POST:
> - break;
> - case OSS_SNDCTL_DSP_SPEED:
> - AUDIO_INITINFO(&tmpinfo);
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - tmpinfo.play.sample_rate =
> - tmpinfo.record.sample_rate = idat;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_SPEED %d = %d\n",
> - idat, error));
> - /* FALLTHRU */
> - case OSS_SOUND_PCM_READ_RATE:
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - idat = tmpinfo.play.sample_rate;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_STEREO:
> - AUDIO_INITINFO(&tmpinfo);
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - tmpinfo.play.channels =
> - tmpinfo.record.channels = idat ? 2 : 1;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - idat = tmpinfo.play.channels - 1;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_GETBLKSIZE:
> - error = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - setblocksize(fp, &tmpinfo, p);
> - idat = tmpinfo.blocksize;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_SETFMT:
> - AUDIO_INITINFO(&tmpinfo);
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - switch (idat) {
> - case OSS_AFMT_MU_LAW:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 8;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_ULAW;
> - break;
> - case OSS_AFMT_A_LAW:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 8;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_ALAW;
> - break;
> - case OSS_AFMT_U8:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 8;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR;
> - break;
> - case OSS_AFMT_S8:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 8;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR;
> - break;
> - case OSS_AFMT_S16_LE:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 16;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
> - break;
> - case OSS_AFMT_S16_BE:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 16;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE;
> - break;
> - case OSS_AFMT_U16_LE:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 16;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE;
> - break;
> - case OSS_AFMT_U16_BE:
> - tmpinfo.play.precision =
> - tmpinfo.record.precision = 16;
> - tmpinfo.play.encoding =
> - tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE;
> - break;
> - default:
> - error = EINVAL;
> - break;
> - }
> - if (error)
> - break;
> - else
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - /* FALLTHRU */
> - case OSS_SOUND_PCM_READ_BITS:
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - switch (tmpinfo.play.encoding) {
> - case AUDIO_ENCODING_ULAW:
> - idat = OSS_AFMT_MU_LAW;
> - break;
> - case AUDIO_ENCODING_ALAW:
> - idat = OSS_AFMT_A_LAW;
> - break;
> - case AUDIO_ENCODING_SLINEAR_LE:
> - if (tmpinfo.play.precision == 16)
> - idat = OSS_AFMT_S16_LE;
> - else
> - idat = OSS_AFMT_S8;
> - break;
> - case AUDIO_ENCODING_SLINEAR_BE:
> - if (tmpinfo.play.precision == 16)
> - idat = OSS_AFMT_S16_BE;
> - else
> - idat = OSS_AFMT_S8;
> - break;
> - case AUDIO_ENCODING_ULINEAR_LE:
> - if (tmpinfo.play.precision == 16)
> - idat = OSS_AFMT_U16_LE;
> - else
> - idat = OSS_AFMT_U8;
> - break;
> - case AUDIO_ENCODING_ULINEAR_BE:
> - if (tmpinfo.play.precision == 16)
> - idat = OSS_AFMT_U16_BE;
> - else
> - idat = OSS_AFMT_U8;
> - break;
> - case AUDIO_ENCODING_ADPCM:
> - idat = OSS_AFMT_IMA_ADPCM;
> - break;
> - default:
> - idat = OSS_AFMT_MU_LAW; /* XXX default encoding */
> - break;
> - }
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_CHANNELS:
> - AUDIO_INITINFO(&tmpinfo);
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - tmpinfo.play.channels =
> - tmpinfo.record.channels = idat;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - /* FALLTHRU */
> - case OSS_SOUND_PCM_READ_CHANNELS:
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - idat = tmpinfo.play.channels;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SOUND_PCM_WRITE_FILTER:
> - case OSS_SOUND_PCM_READ_FILTER:
> - error = EINVAL; /* XXX unimplemented */
> - break;
> - case OSS_SNDCTL_DSP_SUBDIVIDE:
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - error = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - setblocksize(fp, &tmpinfo, p);
> - if (error)
> - break;
> - if (idat == 0)
> - idat = tmpinfo.play.buffer_size / tmpinfo.blocksize;
> - idat = (tmpinfo.play.buffer_size / idat) & -4;
> - AUDIO_INITINFO(&tmpinfo);
> - tmpinfo.blocksize = idat;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - if (error)
> - break;
> - idat = tmpinfo.play.buffer_size / tmpinfo.blocksize;
> - error = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error)
> - break;
> - break;
> - case OSS_SNDCTL_DSP_SETFRAGMENT:
> - AUDIO_INITINFO(&tmpinfo);
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) {
> - error = EINVAL;
> - break;
> - }
> - tmpinfo.blocksize = 1 << (idat & 0xffff);
> - tmpinfo.hiwat = (idat >> 16) & 0x7fff;
> - DPRINTF(("oss_audio: SETFRAGMENT blksize=%d, hiwat=%d\n",
> - tmpinfo.blocksize, tmpinfo.hiwat));
> - if (tmpinfo.hiwat == 0) /* 0 means set to max */
> - tmpinfo.hiwat = 65536;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - u = tmpinfo.blocksize;
> - for(idat = 0; u > 1; idat++, u >>= 1)
> - ;
> - idat |= (tmpinfo.hiwat & 0x7fff) << 16;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_GETFMTS:
> - for(idat = 0, tmpenc.index = 0;
> - ioctlf(fp, AUDIO_GETENC, (caddr_t)&tmpenc, p) == 0;
> - tmpenc.index++) {
> - switch(tmpenc.encoding) {
> - case AUDIO_ENCODING_ULAW:
> - idat |= OSS_AFMT_MU_LAW;
> - break;
> - case AUDIO_ENCODING_ALAW:
> - idat |= OSS_AFMT_A_LAW;
> - break;
> - case AUDIO_ENCODING_SLINEAR:
> - idat |= OSS_AFMT_S8;
> - break;
> - case AUDIO_ENCODING_SLINEAR_LE:
> - if (tmpenc.precision == 16)
> - idat |= OSS_AFMT_S16_LE;
> - else
> - idat |= OSS_AFMT_S8;
> - break;
> - case AUDIO_ENCODING_SLINEAR_BE:
> - if (tmpenc.precision == 16)
> - idat |= OSS_AFMT_S16_BE;
> - else
> - idat |= OSS_AFMT_S8;
> - break;
> - case AUDIO_ENCODING_ULINEAR:
> - idat |= OSS_AFMT_U8;
> - break;
> - case AUDIO_ENCODING_ULINEAR_LE:
> - if (tmpenc.precision == 16)
> - idat |= OSS_AFMT_U16_LE;
> - else
> - idat |= OSS_AFMT_U8;
> - break;
> - case AUDIO_ENCODING_ULINEAR_BE:
> - if (tmpenc.precision == 16)
> - idat |= OSS_AFMT_U16_BE;
> - else
> - idat |= OSS_AFMT_U8;
> - break;
> - case AUDIO_ENCODING_ADPCM:
> - idat |= OSS_AFMT_IMA_ADPCM;
> - break;
> - default:
> - break;
> - }
> - }
> - DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETFMTS = %x\n", idat));
> - error = copyout(&idat, SCARG(uap, data), sizeof idat);
> - break;
> - case OSS_SNDCTL_DSP_GETOSPACE:
> - error = ioctlf(fp, AUDIO_GETPRINFO, (caddr_t)&tmpab, p);
> - bufinfo.fragsize = tmpab.blksize;
> - bufinfo.fragstotal = tmpab.hiwat;
> - bufinfo.bytes = tmpab.hiwat * tmpab.blksize - tmpab.seek;
> - if (tmpab.blksize != 0)
> - bufinfo.fragments = bufinfo.bytes / tmpab.blksize;
> - else
> - bufinfo.fragments = 0;
> - tmperr = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_GETISPACE:
> - error = ioctlf(fp, AUDIO_GETRRINFO, (caddr_t)&tmpab, p);
> - bufinfo.fragsize = tmpab.blksize;
> - bufinfo.fragstotal = tmpab.hiwat;
> - bufinfo.bytes = tmpab.seek;
> - if (tmpab.blksize != 0)
> - bufinfo.fragments = bufinfo.bytes / tmpab.blksize;
> - else
> - bufinfo.fragments = 0;
> - DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETxSPACE = %d %d %d %d\n",
> - bufinfo.fragsize, bufinfo.fragments,
> - bufinfo.fragstotal, bufinfo.bytes));
> - tmperr = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_NONBLOCK:
> - idat = 1;
> - error = ioctlf(fp, FIONBIO, (caddr_t)&idat, p);
> - break;
> - case OSS_SNDCTL_DSP_GETCAPS:
> - error = ioctlf(fp, AUDIO_GETPROPS, (caddr_t)&idata, p);
> - idat = OSS_DSP_CAP_TRIGGER;
> - if (idata & AUDIO_PROP_FULLDUPLEX)
> - idat |= OSS_DSP_CAP_DUPLEX;
> - if (idata & AUDIO_PROP_MMAP)
> - idat |= OSS_DSP_CAP_MMAP;
> - DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETCAPS = %x\n", idat));
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_SETTRIGGER:
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - break;
> - AUDIO_INITINFO(&tmpinfo);
> - if (idat & OSS_PCM_ENABLE_OUTPUT)
> - tmpinfo.play.pause = 0;
> - if (idat & OSS_PCM_ENABLE_INPUT)
> - tmpinfo.record.pause = 0;
> - error = ioctlf(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - /* FALLTHRU */
> - case OSS_SNDCTL_DSP_GETTRIGGER:
> - tmperr = ioctlf(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
> - if (error >= 0)
> - error = tmperr;
> - idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) |
> - (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT);
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_GETIPTR:
> - error = ioctlf(fp, AUDIO_GETIOFFS, (caddr_t)&tmpoffs, p);
> - cntinfo.bytes = tmpoffs.samples;
> - cntinfo.blocks = tmpoffs.deltablks;
> - cntinfo.ptr = tmpoffs.offset;
> - tmperr = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_GETOPTR:
> - error = ioctlf(fp, AUDIO_GETOOFFS, (caddr_t)&tmpoffs, p);
> - cntinfo.bytes = tmpoffs.samples;
> - cntinfo.blocks = tmpoffs.deltablks;
> - cntinfo.ptr = tmpoffs.offset;
> - tmperr = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_SETDUPLEX:
> - idat = 1;
> - error = ioctlf(fp, AUDIO_SETFD, (caddr_t)&idat, p);
> - break;
> - case OSS_SNDCTL_DSP_GETODELAY:
> - error = ioctlf(fp, AUDIO_WSEEK, (caddr_t)&ldat, p);
> - idat = (int)ldat;
> - tmperr = copyout(&idat, SCARG(uap, data), sizeof idat);
> - if (error >= 0)
> - error = tmperr;
> - break;
> - case OSS_SNDCTL_DSP_MAPINBUF:
> - case OSS_SNDCTL_DSP_MAPOUTBUF:
> - case OSS_SNDCTL_DSP_SETSYNCRO:
> - case OSS_SNDCTL_DSP_PROFILE:
> - error = EINVAL; /* XXX unimplemented */
> - break;
> - default:
> - error = EINVAL;
> - break;
> - }
> -
> - FRELE(fp, p);
> - return (error);
> -}
> -
> -/* If the mixer device should have more than MAX_MIXER_DEVS devices
> - * some will not be available to Linux */
> -#define MAX_MIXER_DEVS 64
> -struct audiodevinfo {
> - int done;
> - dev_t dev;
> - int16_t devmap[OSS_SOUND_MIXER_NRDEVICES],
> - rdevmap[MAX_MIXER_DEVS];
> - u_long devmask, recmask, stereomask;
> - u_long caps, source;
> -};
> -
> -/*
> - * Collect the audio device information to allow faster
> - * emulation of the Linux mixer ioctls. Cache the information
> - * to eliminate the overhead of repeating all the ioctls needed
> - * to collect the information.
> - */
> -static struct audiodevinfo *
> -getdevinfo(fp, p)
> - struct file *fp;
> - struct proc *p;
> -{
> - mixer_devinfo_t mi;
> - int i;
> - static const struct oss_devs {
> - const char *name;
> - int code;
> - } devs[] = {
> - { AudioNmicrophone, OSS_SOUND_MIXER_MIC },
> - { AudioNline, OSS_SOUND_MIXER_LINE },
> - { AudioNcd, OSS_SOUND_MIXER_CD },
> - { AudioNdac, OSS_SOUND_MIXER_PCM },
> - { AudioNrecord, OSS_SOUND_MIXER_IMIX },
> - { AudioNmaster, OSS_SOUND_MIXER_VOLUME },
> - { AudioNtreble, OSS_SOUND_MIXER_TREBLE },
> - { AudioNbass, OSS_SOUND_MIXER_BASS },
> - { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER },
> - { AudioNoutput, OSS_SOUND_MIXER_OGAIN },
> - { AudioNinput, OSS_SOUND_MIXER_IGAIN },
> - { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH },
> - { AudioNmidi, OSS_SOUND_MIXER_SYNTH },
> - { 0, -1 }
> - };
> - register const struct oss_devs *dp;
> - int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *) =
> - fp->f_ops->fo_ioctl;
> - struct vnode *vp;
> - struct vattr va;
> - static struct audiodevinfo devcache = { 0 };
> - register struct audiodevinfo *di = &devcache;
> -
> - /* Figure out what device it is so we can check if the
> - * cached data is valid.
> - */
> - vp = (struct vnode *)fp->f_data;
> - if (vp->v_type != VCHR)
> - return 0;
> - if (VOP_GETATTR(vp, &va, p->p_ucred, p))
> - return 0;
> - if (di->done && di->dev == va.va_rdev)
> - return di;
> -
> - di->done = 1;
> - di->dev = va.va_rdev;
> - di->devmask = 0;
> - di->recmask = 0;
> - di->stereomask = 0;
> - di->source = -1;
> - di->caps = 0;
> - for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++)
> - di->devmap[i] = -1;
> - for(i = 0; i < MAX_MIXER_DEVS; i++)
> - di->rdevmap[i] = -1;
> - for(i = 0; i < MAX_MIXER_DEVS; i++) {
> - mi.index = i;
> - if (ioctlf(fp, AUDIO_MIXER_DEVINFO, (caddr_t)&mi, p) < 0)
> - break;
> - switch(mi.type) {
> - case AUDIO_MIXER_VALUE:
> - for(dp = devs; dp->name; dp++)
> - if (strcmp(dp->name, mi.label.name) == 0)
> - break;
> - if (dp->code >= 0) {
> - di->devmap[dp->code] = i;
> - di->rdevmap[i] = dp->code;
> - di->devmask |= 1 << dp->code;
> - if (mi.un.v.num_channels == 2)
> - di->stereomask |= 1 << dp->code;
> - }
> - break;
> - case AUDIO_MIXER_ENUM:
> - if (strcmp(mi.label.name, AudioNsource) == 0) {
> - int j;
> - di->source = i;
> - for(j = 0; j < mi.un.e.num_mem; j++)
> - di->recmask |= 1 <<
> di->rdevmap[mi.un.e.member[j].ord];
> - di->caps = OSS_SOUND_CAP_EXCL_INPUT;
> - }
> - break;
> - case AUDIO_MIXER_SET:
> - if (strcmp(mi.label.name, AudioNsource) == 0) {
> - int j;
> - di->source = i;
> - for(j = 0; j < mi.un.s.num_mem; j++) {
> - int k, mask = mi.un.s.member[j].mask;
> - if (mask) {
> - for(k = 0; !(mask & 1); mask
> >>= 1, k++)
> - ;
> - di->recmask |= 1 <<
> di->rdevmap[k];
> - }
> - }
> - }
> - break;
> - }
> - }
> - return di;
> -}
> -
> -int
> -oss_ioctl_mixer(p, uap, retval)
> - struct proc *p;
> - struct oss_sys_ioctl_args /* {
> - syscallarg(int) fd;
> - syscallarg(u_long) com;
> - syscallarg(caddr_t) data;
> - } */ *uap;
> - register_t *retval;
> -{
> - struct file *fp;
> - struct filedesc *fdp;
> - u_long com;
> - struct audiodevinfo *di;
> - mixer_ctrl_t mc;
> - int idat;
> - int i;
> - int error;
> - int l, r, n;
> - int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
> -
> - fdp = p->p_fd;
> - if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
> - return (EBADF);
> - FREF(fp);
> -
> - if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
> - error = EBADF;
> - goto out;
> - }
> -
> - com = SCARG(uap, com);
> - retval[0] = 0;
> -
> - di = getdevinfo(fp, p);
> - if (di == 0) {
> - error = EINVAL;
> - goto out;
> - }
> -
> - ioctlf = fp->f_ops->fo_ioctl;
> - switch (com) {
> - case OSS_SOUND_MIXER_READ_RECSRC:
> - if (di->source == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - mc.dev = di->source;
> - if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) {
> - mc.type = AUDIO_MIXER_ENUM;
> - error = ioctlf(fp, AUDIO_MIXER_READ, (caddr_t)&mc, p);
> - if (error)
> - goto out;
> - idat = 1 << di->rdevmap[mc.un.ord];
> - } else {
> - int k;
> - unsigned int mask;
> - mc.type = AUDIO_MIXER_SET;
> - error = ioctlf(fp, AUDIO_MIXER_READ, (caddr_t)&mc, p);
> - if (error)
> - goto out;
> - idat = 0;
> - for(mask = mc.un.mask, k = 0; mask; mask >>= 1, k++)
> - if (mask & 1)
> - idat |= 1 << di->rdevmap[k];
> - }
> - break;
> - case OSS_SOUND_MIXER_READ_DEVMASK:
> - idat = di->devmask;
> - break;
> - case OSS_SOUND_MIXER_READ_RECMASK:
> - idat = di->recmask;
> - break;
> - case OSS_SOUND_MIXER_READ_STEREODEVS:
> - idat = di->stereomask;
> - break;
> - case OSS_SOUND_MIXER_READ_CAPS:
> - idat = di->caps;
> - break;
> - case OSS_SOUND_MIXER_WRITE_RECSRC:
> - case OSS_SOUND_MIXER_WRITE_R_RECSRC:
> - if (di->source == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - mc.dev = di->source;
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - goto out;
> - if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) {
> - mc.type = AUDIO_MIXER_ENUM;
> - for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++)
> - if (idat & (1 << i))
> - break;
> - if (i >= OSS_SOUND_MIXER_NRDEVICES ||
> - di->devmap[i] == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - mc.un.ord = di->devmap[i];
> - } else {
> - mc.type = AUDIO_MIXER_SET;
> - mc.un.mask = 0;
> - for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) {
> - if (idat & (1 << i)) {
> - if (di->devmap[i] == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - mc.un.mask |= 1 << di->devmap[i];
> - }
> - }
> - }
> - error = ioctlf(fp, AUDIO_MIXER_WRITE, (caddr_t)&mc, p);
> - goto out;
> - default:
> - if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com &&
> - com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) {
> - n = OSS_GET_DEV(com);
> - if (di->devmap[n] == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - doread:
> - mc.dev = di->devmap[n];
> - mc.type = AUDIO_MIXER_VALUE;
> - mc.un.value.num_channels = di->stereomask & (1<<n) ? 2
> : 1;
> - error = ioctlf(fp, AUDIO_MIXER_READ, (caddr_t)&mc, p);
> - if (error)
> - goto out;
> - if (mc.un.value.num_channels != 2) {
> - l = r =
> mc.un.value.level[AUDIO_MIXER_LEVEL_MONO];
> - } else {
> - l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT];
> - r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
> - }
> - idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8);
> - DPRINTF(("OSS_MIXER_READ n=%d (dev=%d) l=%d, r=%d,
> idat=%04x\n",
> - n, di->devmap[n], l, r, idat));
> - break;
> - } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com &&
> - com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES))
> ||
> - (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com &&
> - com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) {
> - n = OSS_GET_DEV(com);
> - if (di->devmap[n] == -1) {
> - error = EINVAL;
> - goto out;
> - }
> - error = copyin(SCARG(uap, data), &idat, sizeof idat);
> - if (error)
> - goto out;
> - l = FROM_OSSVOL( idat & 0xff);
> - r = FROM_OSSVOL((idat >> 8) & 0xff);
> - mc.dev = di->devmap[n];
> - mc.type = AUDIO_MIXER_VALUE;
> - if (di->stereomask & (1<<n)) {
> - mc.un.value.num_channels = 2;
> - mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
> - mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
> - } else {
> - mc.un.value.num_channels = 1;
> - mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] =
> (l+r)/2;
> - }
> - DPRINTF(("OSS_MIXER_WRITE n=%d (dev=%d) l=%d, r=%d,
> idat=%04x\n",
> - n, di->devmap[n], l, r, idat));
> - error = ioctlf(fp, AUDIO_MIXER_WRITE, (caddr_t)&mc, p);
> - if (error)
> - goto out;
> - if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com &&
> - com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) {
> - error = 0;
> - goto out;
> - }
> - goto doread;
> - } else {
> -#ifdef AUDIO_DEBUG
> - printf("oss_audio: unknown mixer ioctl %04lx\n", com);
> -#endif
> - error = EINVAL;
> - goto out;
> - }
> - }
> - error = copyout(&idat, SCARG(uap, data), sizeof idat);
> -
> -out:
> - FRELE(fp, p);
> - return (error);
> -}
> -
> -/* XXX hook for sequencer emulation */
> -int
> -oss_ioctl_sequencer(p, uap, retval)
> - struct proc *p;
> - struct oss_sys_ioctl_args /* {
> - syscallarg(int) fd;
> - syscallarg(u_long) com;
> - syscallarg(caddr_t) data;
> - } */ *uap;
> - register_t *retval;
> -{
> - struct file *fp;
> - struct filedesc *fdp;
> -
> - fdp = p->p_fd;
> - if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
> - return (EBADF);
> -
> - if ((fp->f_flag & (FREAD | FWRITE)) == 0)
> - return (EBADF);
> -
> - retval[0] = 0;
> -
> - return EINVAL;
> -}
> -
> -/*
> - * Check that the blocksize is a power of 2 as OSS wants.
> - * If not, set it to be.
> - */
> -static void setblocksize(fp, info, p)
> - struct file *fp;
> - struct audio_info *info;
> - struct proc *p;
> -{
> - struct audio_info set;
> - int s;
> -
> - if (info->blocksize & (info->blocksize-1)) {
> - for(s = 32; s < info->blocksize; s <<= 1)
> - ;
> - AUDIO_INITINFO(&set);
> - set.blocksize = s;
> - fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, (caddr_t)&set, p);
> - fp->f_ops->fo_ioctl(fp, AUDIO_GETINFO, (caddr_t)info, p);
> - }
> -}
> --- compat/ossaudio/ossaudio.h.orig Fri Oct 31 16:55:47 2014
> +++ compat/ossaudio/ossaudio.h Fri Oct 31 17:05:04 2014
> @@ -1,37 +0,0 @@
> -/* $OpenBSD: ossaudio.h,v 1.4 2008/06/26 05:42:14 ray Exp $ */
> -/* $NetBSD: ossaudio.h,v 1.5 1997/10/16 16:49:37 augustss Exp $ */
> -
> -/*
> - * Copyright (c) 1997 The NetBSD Foundation, Inc.
> - * All rights reserved.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
> - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> LIMITED
> - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
> - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> - * POSSIBILITY OF SUCH DAMAGE.
> - */
> -
> -struct oss_sys_ioctl_args;
> -
> -int oss_ioctl_audio(struct proc *, struct oss_sys_ioctl_args *,
> - register_t *);
> -int oss_ioctl_mixer(struct proc *, struct oss_sys_ioctl_args *,
> - register_t *);
> -int oss_ioctl_sequencer(struct proc *, struct oss_sys_ioctl_args *,
> - register_t *);
> --- compat/ossaudio/ossaudiovar.h.orig Fri Oct 31 16:55:53 2014
> +++ compat/ossaudio/ossaudiovar.h Fri Oct 31 17:05:04 2014
> @@ -1,163 +0,0 @@
> -/* $OpenBSD: ossaudiovar.h,v 1.5 2008/06/26 05:42:14 ray Exp $ */
> -/* $NetBSD: ossaudiovar.h,v 1.4 1997/10/16 16:49:40 augustss Exp $ */
> -
> -/*
> - * Copyright (c) 1997 The NetBSD Foundation, Inc.
> - * All rights reserved.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
> - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> LIMITED
> - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
> - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> - * POSSIBILITY OF SUCH DAMAGE.
> - */
> -
> -struct oss_sys_ioctl_args {
> - syscallarg(int) fd;
> - syscallarg(u_long) com;
> - syscallarg(caddr_t) data;
> -};
> -
> -#define OSS_IOCPARM_MASK 0x7f /* parameters must be < 128
> bytes */
> -#define OSS_IOC_VOID 0x00000000 /* no parameters */
> -#define OSS_IOC_IN 0x40000000 /* copy in parameters */
> -#define OSS_IOC_OUT 0x80000000 /* copy out parameters */
> -#define OSS_IOC_INOUT (OSS_IOC_IN | OSS_IOC_OUT)
> -#define _OSS_IOCTL(w,x,y,z)
> ((u_long)((w)|(((z)&OSS_IOCPARM_MASK)<<16)|((x)<<8)|(y)))
> -#define _OSS_IO(x,y) _OSS_IOCTL(OSS_IOC_VOID, x, y, 0)
> -#define _OSS_IOR(x,y,t) _OSS_IOCTL(OSS_IOC_OUT, x, y, sizeof(t))
> -#define _OSS_IOW(x,y,t) _OSS_IOCTL(OSS_IOC_IN, x, y, sizeof(t))
> -#define _OSS_IOWR(x,y,t) _OSS_IOCTL(OSS_IOC_INOUT, x, y, sizeof(t))
> -
> -#define OSS_SNDCTL_DSP_RESET _OSS_IO ('P', 0)
> -#define OSS_SNDCTL_DSP_SYNC _OSS_IO ('P', 1)
> -#define OSS_SNDCTL_DSP_SPEED _OSS_IOWR('P', 2, int)
> -#define OSS_SOUND_PCM_READ_RATE _OSS_IOR ('P', 2, int)
> -#define OSS_SNDCTL_DSP_STEREO _OSS_IOWR('P', 3, int)
> -#define OSS_SNDCTL_DSP_GETBLKSIZE _OSS_IOWR('P', 4, int)
> -#define OSS_SNDCTL_DSP_SETFMT _OSS_IOWR('P', 5, int)
> -#define OSS_SOUND_PCM_READ_BITS _OSS_IOR ('P', 5, int)
> -#define OSS_SNDCTL_DSP_CHANNELS _OSS_IOWR('P', 6, int)
> -#define OSS_SOUND_PCM_READ_CHANNELS _OSS_IOR ('P', 6, int)
> -#define OSS_SOUND_PCM_WRITE_FILTER _OSS_IOWR('P', 7, int)
> -#define OSS_SOUND_PCM_READ_FILTER _OSS_IOR ('P', 7, int)
> -#define OSS_SNDCTL_DSP_POST _OSS_IO ('P', 8)
> -#define OSS_SNDCTL_DSP_SUBDIVIDE _OSS_IOWR('P', 9, int)
> -#define OSS_SNDCTL_DSP_SETFRAGMENT _OSS_IOWR('P', 10, int)
> -#define OSS_SNDCTL_DSP_GETFMTS _OSS_IOR ('P', 11, int)
> -#define OSS_SNDCTL_DSP_GETOSPACE _OSS_IOR ('P',12, struct
> oss_audio_buf_info)
> -#define OSS_SNDCTL_DSP_GETISPACE _OSS_IOR ('P',13, struct
> oss_audio_buf_info)
> -#define OSS_SNDCTL_DSP_NONBLOCK _OSS_IO ('P',14)
> -#define OSS_SNDCTL_DSP_GETCAPS _OSS_IOR ('P',15, int)
> -# define OSS_DSP_CAP_REVISION 0x000000ff
> -# define OSS_DSP_CAP_DUPLEX 0x00000100
> -# define OSS_DSP_CAP_REALTIME 0x00000200
> -# define OSS_DSP_CAP_BATCH 0x00000400
> -# define OSS_DSP_CAP_COPROC 0x00000800
> -# define OSS_DSP_CAP_TRIGGER 0x00001000
> -# define OSS_DSP_CAP_MMAP 0x00002000
> -#define OSS_SNDCTL_DSP_GETTRIGGER _OSS_IOR ('P', 16, int)
> -#define OSS_SNDCTL_DSP_SETTRIGGER _OSS_IOW ('P', 16, int)
> -# define OSS_PCM_ENABLE_INPUT 0x00000001
> -# define OSS_PCM_ENABLE_OUTPUT 0x00000002
> -#define OSS_SNDCTL_DSP_GETIPTR _OSS_IOR ('P', 17, struct
> oss_count_info)
> -#define OSS_SNDCTL_DSP_GETOPTR _OSS_IOR ('P', 18, struct
> oss_count_info)
> -#define OSS_SNDCTL_DSP_MAPINBUF _OSS_IOR ('P', 19, struct
> oss_buffmem_desc)
> -#define OSS_SNDCTL_DSP_MAPOUTBUF _OSS_IOR ('P', 20, struct
> oss_buffmem_desc)
> -#define OSS_SNDCTL_DSP_SETSYNCRO _OSS_IO ('P', 21)
> -#define OSS_SNDCTL_DSP_SETDUPLEX _OSS_IO ('P', 22)
> -#define OSS_SNDCTL_DSP_PROFILE _OSS_IOW ('P', 23, int)
> -#define OSS_SNDCTL_DSP_GETODELAY _OSS_IOR ('P', 24, int)
> -#define OSS_APF_NORMAL 0 /* Normal applications
> */
> -#define OSS_APF_NETWORK 1 /* "external" delays */
> -#define OSS_APF_CPUINTENS 2 /* CPU delays */
> -
> -#define OSS_AFMT_QUERY 0x00000000 /* Return
> current fmt */
> -#define OSS_AFMT_MU_LAW 0x00000001
> -#define OSS_AFMT_A_LAW 0x00000002
> -#define OSS_AFMT_IMA_ADPCM 0x00000004
> -#define OSS_AFMT_U8 0x00000008
> -#define OSS_AFMT_S16_LE 0x00000010 /* Little
> endian signed 16 */
> -#define OSS_AFMT_S16_BE 0x00000020 /* Big endian
> signed 16 */
> -#define OSS_AFMT_S8 0x00000040
> -#define OSS_AFMT_U16_LE 0x00000080 /* Little
> endian U16 */
> -#define OSS_AFMT_U16_BE 0x00000100 /* Big endian
> U16 */
> -#define OSS_AFMT_MPEG 0x00000200 /* MPEG (2)
> audio */
> -
> -/* Mixer defines */
> -#define OSS_SOUND_MIXER_FIRST 0
> -#define OSS_SOUND_MIXER_NRDEVICES 17
> -
> -#define OSS_SOUND_MIXER_VOLUME 0
> -#define OSS_SOUND_MIXER_BASS 1
> -#define OSS_SOUND_MIXER_TREBLE 2
> -#define OSS_SOUND_MIXER_SYNTH 3
> -#define OSS_SOUND_MIXER_PCM 4
> -#define OSS_SOUND_MIXER_SPEAKER 5
> -#define OSS_SOUND_MIXER_LINE 6
> -#define OSS_SOUND_MIXER_MIC 7
> -#define OSS_SOUND_MIXER_CD 8
> -#define OSS_SOUND_MIXER_IMIX 9
> -#define OSS_SOUND_MIXER_ALTPCM 10
> -#define OSS_SOUND_MIXER_RECLEV 11
> -#define OSS_SOUND_MIXER_IGAIN 12
> -#define OSS_SOUND_MIXER_OGAIN 13
> -#define OSS_SOUND_MIXER_LINE1 14
> -#define OSS_SOUND_MIXER_LINE2 15
> -#define OSS_SOUND_MIXER_LINE3 16
> -
> -#define OSS_SOUND_MIXER_RECSRC 0xff
> -#define OSS_SOUND_MIXER_DEVMASK 0xfe
> -#define OSS_SOUND_MIXER_RECMASK 0xfd
> -#define OSS_SOUND_MIXER_CAPS 0xfc
> -#define OSS_SOUND_CAP_EXCL_INPUT 1
> -#define OSS_SOUND_MIXER_STEREODEVS 0xfb
> -
> -#define OSS_MIXER_READ(dev) _OSS_IOR('M', dev, int)
> -
> -#define OSS_SOUND_MIXER_READ_RECSRC OSS_MIXER_READ(OSS_SOUND_MIXER_RECSRC)
> -#define OSS_SOUND_MIXER_READ_DEVMASK OSS_MIXER_READ(OSS_SOUND_MIXER_DEVMASK)
> -#define OSS_SOUND_MIXER_READ_RECMASK OSS_MIXER_READ(OSS_SOUND_MIXER_RECMASK)
> -#define OSS_SOUND_MIXER_READ_STEREODEVS
> OSS_MIXER_READ(OSS_SOUND_MIXER_STEREODEVS)
> -#define OSS_SOUND_MIXER_READ_CAPS OSS_MIXER_READ(OSS_SOUND_MIXER_CAPS)
> -
> -#define OSS_MIXER_WRITE(dev) _OSS_IOW('M', dev, int)
> -#define OSS_MIXER_WRITE_R(dev) _OSS_IOWR('M', dev, int)
> -
> -#define OSS_SOUND_MIXER_WRITE_RECSRC OSS_MIXER_WRITE(OSS_SOUND_MIXER_RECSRC)
> -#define OSS_SOUND_MIXER_WRITE_R_RECSRC
> OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_RECSRC)
> -
> -#define OSS_GET_DEV(com) ((com) & 0xff)
> -
> -struct oss_audio_buf_info {
> - int fragments;
> - int fragstotal;
> - int fragsize;
> - int bytes;
> -};
> -
> -struct oss_count_info {
> - int bytes;
> - int blocks;
> - int ptr;
> -};
> -
> -struct oss_buffmem_desc {
> - unsigned int *buffer;
> - int size;
> -};
>
