72 lines
2.8 KiB
Groff
72 lines
2.8 KiB
Groff
.\" $NetBSD: azalia.4,v 1.5 2007/03/15 19:15:19 wiz Exp $
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.\"
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.\" Copyright (c) 2005 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by TAMURA Kent
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd March 15, 2007
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.Dt AZALIA 4
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.Os
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.Sh NAME
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.Nm azalia
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.Nd Generic High Definition Audio device driver
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.Sh SYNOPSIS
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.Cd "azalia* at pci? dev ? function ?"
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.Cd "audio* at audiobus?"
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.Pp
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.Cd "options AZALIA_DEBUG"
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.Sh DESCRIPTION
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The
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.Nm
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device driver is expected to support any PCI device which is
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compliant to the High Definition Audio Specification 1.0.
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Known supported controllers are Intel 82801F (ICH6)
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and Intel 82801G (ICH7).
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Known supported codecs are Realtek ALC260, ALC880, ALC882,
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Analog Devices AD1981HD, CMedia CMI9880,
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Sigmatel STAC9221, and STAC9221D.
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.Sh SEE ALSO
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.Xr audio 4 ,
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.Xr pci 4
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.Pa http://www.intel.com/standards/hdaudio/
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.Sh HISTORY
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The
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.Nm
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device driver appeared in
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.Nx 3.0 .
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.Sh BUGS
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Non-PCM encodings such as Float32 and AC-3 are not supported.
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.Pp
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There is no way to use 20bit or 24bit precision because of a
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limitation of the MI audio framework.
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