1.\" Copyright (c) 2005 Joel Dahl 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd November 29, 2006 28.Dt SND_ATIIXP 4 29.Os 30.Sh NAME 31.Nm snd_atiixp 32.Nd "ATI IXP bridge device driver" 33.Sh SYNOPSIS 34To compile this driver into the kernel, place the following lines in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device sound" 38.Cd "device snd_atiixp" 39.Ed 40.Pp 41Alternatively, to load the driver as a module at boot time, place the 42following line in 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45snd_atiixp_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50bridge driver allows the generic audio driver, 51.Xr sound 4 , 52to attach to ATI IXP audio devices. 53This driver supports 16bit playback and recording, and 32bit native playback 54and recording. 55.Ss Runtime Configuration 56The following 57.Xr sysctl 8 58variables are available in addition to those available to all 59.Xr sound 4 60devices: 61.Bl -tag -width ".Va dev.pcm.%d.polling" -offset indent 62.It Va dev.pcm.%d.polling 63Experimental polling mode, where the driver operates by querying the device 64state on each tick using 65.Xr callout 9 . 66Polling is disabled by default. 67Do not enable it unless you are facing weird interrupt problems or if the 68device cannot generate interrupts at all. 69.Sh HARDWARE 70The 71.Nm 72driver supports the following audio chipsets: 73.Pp 74.Bl -bullet -compact 75.It 76ATI IXP 200 77.It 78ATI IXP 300 79.It 80ATI IXP 400 81.El 82.Sh SEE ALSO 83.Xr sound 4 84.Sh HISTORY 85The 86.Nm 87device driver first appeared in 88.Fx 6.1 . 89.Sh AUTHORS 90This manual page was written by 91.An Joel Dahl Aq joel@FreeBSD.org . 92.Sh BUGS 93The 94.Nm 95driver 96does not support S/PDIF, but implementing it should be fairly easy if the 97right hardware is available. 98.Pp 9932bit native recording is broken on some hardware. 100