azalia(4) - NetBSD Manual Pages

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AZALIA(4)               NetBSD Kernel Interfaces Manual              AZALIA(4)


NAME

     azalia -- Generic High Definition Audio device driver


SYNOPSIS

     azalia* at pci? dev ? function ?
     audio* at audiobus?

     options AZALIA_DEBUG


DESCRIPTION

     The azalia device driver is expected to support any PCI device which is
     compliant to the High Definition Audio Specification 1.0.  Known sup-
     ported controllers are Intel 82801F (ICH6) and Intel 82801G (ICH7).
     Known supported codecs are Realtek ALC260, ALC880, ALC882, Analog Devices
     AD1981HD, CMedia CMI9880, Sigmatel STAC9221, and STAC9221D.


SEE ALSO

     audio(4), pci(4)

     Intel High Definition Audio:
           http://www.intel.com/design/chipsets/hdaudio.htm


HISTORY

     The azalia device driver appeared in NetBSD 3.0.


BUGS

     Non-PCM encodings such as Float32 and AC-3 are not supported.

     There is no way to use 20bit or 24bit precision because of a limitation
     of the MI audio framework.

NetBSD 8.2                      March 15, 2007                      NetBSD 8.2