103 lines
2.4 KiB
Groff
103 lines
2.4 KiB
Groff
.\" $NetBSD: arcofi.4,v 1.2 2014/08/25 13:22:20 wiz Exp $
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.\" $OpenBSD: arcofi.4,v 1.4 2011/12/27 10:28:35 jmc Exp $
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.\"
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.\"
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.\" Copyright (c) 2011 Miodrag Vallat.
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd August 25, 2014
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.Dt ARCOFI 4
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.Os
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.Sh NAME
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.Nm arcofi
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.Nd Siemens PSB2160 audio codec
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.Sh SYNOPSIS
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.Cd "arcofi* at dio?"
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.\" .Cd "arcofi* at gsc?"
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.Cd "audio* at audiobus?"
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.Sh DESCRIPTION
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The
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.Nm
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driver supports the HP
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.Dq Audio1
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audio devices, based upon the Siemens PSB2160
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.Dq ARCOFI
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codec, to implement the audio device interface described in
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.Xr audio 4 .
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.Pp
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This device is found onboard HP 9000 workstations models 425e, 705 and 710.
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.Pp
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The
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.Nm
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is limited to a phone-quality mono, 8000 Hz sound.
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.Ss AUDIOCTL SETTINGS
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The following encodings are supported:
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.Pp
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.Bl -tag -width AUDIO_ENCODING_SLINEAR_BE -offset indent -compact
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.It Li AUDIO_ENCODING_ULAW
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.It Li AUDIO_ENCODING_ALAW
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.It Li AUDIO_ENCODING_SLINEAR_BE
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Natively supported.
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.Pp
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.It Li AUDIO_ENCODING_SLINEAR
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.It Li AUDIO_ENCODING_SLINEAR_LE
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.It Li AUDIO_ENCODING_ULINEAR_LE
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.It Li AUDIO_ENCODING_ULINEAR_BE
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Software converted to
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.Li AUDIO_ENCODING_SLINEAR_BE
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encoding.
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.El
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.Ss MIXERCTL SETTINGS
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The
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.Nm
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has three audio ports:
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.Pp
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.Bl -tag -width "outputs.lineXXX" -offset indent -compact
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.It Cm inputs.line
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The
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.Sq line in
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jack connector.
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.It Cm outputs.line
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The
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.Sq line out
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jack connector.
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.It Cm outputs.speaker
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The built-in speaker.
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.El
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.Pp
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Each port has a volume control, and can be muted.
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.Pp
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The
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.Cm outputs.line
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and
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.Cm outputs.speaker
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volume settings are tied to the same hardware setting.
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.Sh SEE ALSO
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.Xr audioctl 1 ,
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.Xr mixerctl 1 ,
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.Xr ioctl 2 ,
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.Xr audio 4 ,
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.Xr dio 4 ,
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.\" .Xr gsc 4 ,
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.Xr intro 4
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.Sh HISTORY
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The
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.Nm
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driver was written for
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.Ox
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and first appeared in
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.Ox 5.1 ,
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and was ported to
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.Nx .
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