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.Dd November 29, 2006 26.Dt SND_ATIIXP 4 27.Os 28.Sh NAME 29.Nm snd_atiixp 30.Nd "ATI IXP bridge device driver" 31.Sh SYNOPSIS 32To compile this driver into the kernel, place the following lines in your 33kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device sound" 36.Cd "device snd_atiixp" 37.Ed 38.Pp 39Alternatively, to load the driver as a module at boot time, place the 40following line in 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43snd_atiixp_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48bridge driver allows the generic audio driver, 49.Xr sound 4 , 50to attach to ATI IXP audio devices. 51This driver supports 16bit playback and recording, and 32bit native playback 52and recording. 53.Ss Runtime Configuration 54The following 55.Xr sysctl 8 56variables are available in addition to those available to all 57.Xr sound 4 58devices: 59.Bl -tag -width ".Va dev.pcm.%d.polling" -offset indent 60.It Va dev.pcm.%d.polling 61Experimental polling mode, where the driver operates by querying the device 62state on each tick using 63.Xr callout 9 . 64Polling is disabled by default. 65Do not enable it unless you are facing weird interrupt problems or if the 66device cannot generate interrupts at all. 67.El 68.Sh HARDWARE 69The 70.Nm 71driver supports the following audio chipsets: 72.Pp 73.Bl -bullet -compact 74.It 75ATI IXP 200 76.It 77ATI IXP 300 78.It 79ATI IXP 400 80.El 81.Sh SEE ALSO 82.Xr sound 4 83.Sh HISTORY 84The 85.Nm 86device driver first appeared in 87.Fx 6.1 . 88.Sh AUTHORS 89This manual page was written by 90.An Joel Dahl Aq Mt joel@FreeBSD.org . 91.Sh BUGS 92The 93.Nm 94driver 95does not support S/PDIF, but implementing it should be fairly easy if the 96right hardware is available. 97.Pp 9832bit native recording is broken on some hardware. 99