<commit_before>.\" Copyright (c) 2006 <NAME> <<EMAIL>>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd October 1, 2006
.Dt SND_HDA 4
.Os
.Sh NAME
.Nm snd_hda
.Nd "Intel High Definition Audio bridge device driver"
.Sh SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device sound"
.Cd "device snd_hda"
.Ed
.Pp
Alternatively, to load the driver as a module at boot time, place the
following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
snd_hda_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
bridge device driver allows the generic audio driver,
.Xr sound 4 ,
to attach to Intel High Definition Audio devices.
The
.Nm
driver supports hardware that conforms with revision 1.0 of the Intel High
Definition Audio specification and tries to behave much like the Microsoft
Universal Audio Architecture (UAA) draft (revision 0.7b) for handling audio
devices.
HDA acts like a primary bus, similar to
.Xr miibus 4 ,
for handling various child buses such as audio, modem and HDMI (High Definition
Multimedia Interface).
Only audio is implemented in the
.Nm
driver.
.Pp
The High Definition (HD) Audio specification was developed by Intel as the
logical successor of the old AC'97 specification and has several advantages,
such as higher bandwidth which allows more channels and more detailed formats,
support for several logical audio devices, and general purpose DMA channels.
.Pp
The HDA specification defines the register-level interface, physical link
characteristics, codec programming models, and codec architectural components.
This specification is intended for both device driver developers and hardware
component designers.
.Sh HARDWARE
The
.Nm
driver supports the following audio chipsets:
.Pp
.Bl -bullet -compact
.It
ATI SB450
.It
Intel 82801F
.It
Intel 82801G
.It
nVidia MCP51
.It
nVidia MCP55
.El
.Pp
Generic Audio chipsets compatible with the Intel HDA specification should work,
but have not been verified yet.
The following codecs have been verified to work:
.Pp
.Bl -bullet -compact
.It
Analog Device AD1981HD
.It
Analog Device AD1983
.It
Analog Device AD1986A
.It
CMedia CMI9880
.It
Conexant Venice
.It
Realtek ALC260
.It
Realtek ALC861
.It
Realtek ALC880
.It
Realtek ALC882
.It<commit_msg>Update list of supported hardware.<commit_after>.\" Copyright (c) 2006 <NAME> <<EMAIL>>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd October 8, 2006
.Dt SND_HDA 4
.Os
.Sh NAME
.Nm snd_hda
.Nd "Intel High Definition Audio bridge device driver"
.Sh SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device sound"
.Cd "device snd_hda"
.Ed
.Pp
Alternatively, to load the driver as a module at boot time, place the
following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
snd_hda_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
bridge device driver allows the generic audio driver,
.Xr sound 4 ,
to attach to Intel High Definition Audio devices.
The
.Nm
driver supports hardware that conforms with revision 1.0 of the Intel High
Definition Audio specification and tries to behave much like the Microsoft
Universal Audio Architecture (UAA) draft (revision 0.7b) for handling audio
devices.
HDA acts like a primary bus, similar to
.Xr miibus 4 ,
for handling various child buses such as audio, modem and HDMI (High Definition
Multimedia Interface).
Only audio is implemented in the
.Nm
driver.
.Pp
The High Definition (HD) Audio specification was developed by Intel as the
logical successor of the old AC'97 specification and has several advantages,
such as higher bandwidth which allows more channels and more detailed formats,
support for several logical audio devices, and general purpose DMA channels.
.Pp
The HDA specification defines the register-level interface, physical link
characteristics, codec programming models, and codec architectural components.
This specification is intended for both device driver developers and hardware
component designers.
.Sh HARDWARE
The
.Nm
driver supports the following audio chipsets:
.Pp
.Bl -bullet -compact
.It
ATI SB450
.It
ATI SB600
.It
Intel 631x/632xESB
.It
Intel 82801F
.It
Intel 82801G
.It
Intel 82801H
.It
nVidia MCP51
.It
nVidia MCP55
.It
nVidia MCP61A
.It
nVidia MCP61B
.It
nVidia MCP65A
.It
nVidia MCP65B
.It
SiS 966
.It
VIA VT8251/8237A
.El
.Pp
Generic Audio chipsets compatible with the Intel HDA specification should work,
but have not been verified yet.
The following codecs have been verified to work:
.Pp
.Bl -bullet -compact
.It
Analog Device AD1981HD
.It
Analog Device AD1983
.It
Analog Device AD1986A
.It
CMedia CMI9880
.It
Conexant Venice
.It
Realtek ALC260
.It
Realtek ALC861
.It
Realtek ALC880
.It
Realtek ALC882
.It
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