azalia.4 revision 1.19
$OpenBSD: azalia.4,v 1.19 2008/12/31 13:55:37 sobrado Exp $
$NetBSD: azalia.4,v 1.2 2005/06/22 04:19:09 kent Exp $

Copyright (c) 2005 The NetBSD Foundation, Inc.
All rights reserved.

This code is derived from software contributed to The NetBSD Foundation
by TAMURA Kent

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.Dd $Mdocdate: October 19 2008 $ .Dt AZALIA 4 .Os .Sh NAME .Nm azalia .Nd Generic High Definition Audio device .Sh SYNOPSIS .Cd "azalia* at pci?" .Cd "audio* at azalia?" .Sh DESCRIPTION The .Nm device driver is expected to support any PCI device which is compliant with the High Definition Audio Specification 1.0.

p Supported chipsets:

p l -bullet -compact -offset indent t Acer Labs M5461 t ATI SB450, SB600, SB700 t Intel 82801FB/GB/H/I/JI (ICH6, ICH7, ICH8, ICH9, ICH10) t NVIDIA MCP51/MCP55/MCP61/MCP65/MCP67/MCP73/MCP77/MCP79/MCP7B t Silicon Integrated System 966/966L t VIA Technologies VT8237A, VT8251 .El .Sh SEE ALSO .Xr audio 4 , .Xr pci 4 .Sh HISTORY The .Nm device driver first appeared in .Nx 3.0 . .Ox support first appeared in .Ox 4.0 . .Sh BUGS Non-PCM encodings such as Float32 and AC-3 are not supported.

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