ARCOFI(4) | Device Drivers Manual | ARCOFI(4) |
arcofi
—
arcofi* at dio?
audio* at audiobus?
arcofi
driver supports the HP “Audio1”
audio devices, based upon the Siemens PSB2160 “ARCOFI” codec, to
implement the audio device interface described in
audio(4).
This device is found onboard HP 9000 workstations models 425e, 705 and 710.
The arcofi
is limited to a phone-quality
mono, 8000 Hz sound.
AUDIO_ENCODING_ULAW
AUDIO_ENCODING_ALAW
AUDIO_ENCODING_SLINEAR_BE
AUDIO_ENCODING_SLINEAR
AUDIO_ENCODING_SLINEAR_LE
AUDIO_ENCODING_ULINEAR_LE
AUDIO_ENCODING_ULINEAR_BE
AUDIO_ENCODING_SLINEAR_BE
encoding.arcofi
has three audio ports:
inputs.line
outputs.line
outputs.speaker
Each port has a volume control, and can be muted.
The outputs.line
and
outputs.speaker
volume settings are tied to the same
hardware setting.
arcofi
driver was written for
OpenBSD and first appeared in OpenBSD
5.1, and was ported to NetBSD.
August 25, 2014 | NetBSD 9.4 |