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 $NetBSD: arcofi.4,v 1.2 2014/08/25 13:22:20 wiz Exp $
 $OpenBSD: arcofi.4,v 1.4 2011/12/27 10:28:35 jmc Exp $


 Copyright (c) 2011 Miodrag Vallat.

 Permission to use, copy, modify, and distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
 copyright notice and this permission notice appear in all copies.

 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

.Dd August 25, 2014
.Dt ARCOFI 4
.Os
.Sh NAME
.Nm arcofi
.Nd Siemens PSB2160 audio codec
.Sh SYNOPSIS
.Cd "arcofi* at dio?"
 .Cd "arcofi* at gsc?"
.Cd "audio* at audiobus?"
.Sh DESCRIPTION
The
.Nm
driver supports the HP
.Dq Audio1
audio devices, based upon the Siemens PSB2160
.Dq ARCOFI
codec, to implement the audio device interface described in
.Xr audio 4 .

p
This device is found onboard HP 9000 workstations models 425e, 705 and 710.

p
The
.Nm
is limited to a phone-quality mono, 8000 Hz sound.
.Ss AUDIOCTL SETTINGS
The following encodings are supported:

p
l -tag -width AUDIO_ENCODING_SLINEAR_BE -offset indent -compact t Li AUDIO_ENCODING_ULAW t Li AUDIO_ENCODING_ALAW t Li AUDIO_ENCODING_SLINEAR_BE Natively supported.

p
t Li AUDIO_ENCODING_SLINEAR t Li AUDIO_ENCODING_SLINEAR_LE t Li AUDIO_ENCODING_ULINEAR_LE t Li AUDIO_ENCODING_ULINEAR_BE Software converted to
.Li AUDIO_ENCODING_SLINEAR_BE
encoding.
.El
.Ss MIXERCTL SETTINGS
The
.Nm
has three audio ports:

p
l -tag -width "outputs.lineXXX" -offset indent -compact t Cm inputs.line The
.Sq line in
jack connector.
t Cm outputs.line The
.Sq line out
jack connector.
t Cm outputs.speaker The built-in speaker.
.El

p
Each port has a volume control, and can be muted.

p
The
.Cm outputs.line
and
.Cm outputs.speaker
volume settings are tied to the same hardware setting.
.Sh SEE ALSO
.Xr audioctl 1 ,
.Xr mixerctl 1 ,
.Xr ioctl 2 ,
.Xr audio 4 ,
.Xr dio 4 ,
 .Xr gsc 4 ,
.Xr intro 4
.Sh HISTORY
The
.Nm
driver was written for
.Ox
and first appeared in
.Ox 5.1 ,
and was ported to
.Nx .