1.\" Copyright (c) 2004 Atte Peltomaki 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_ES137X 4 27.Os 28.Sh NAME 29.Nm snd_es137x 30.Nd "Ensoniq AudioPCI ES137x 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_es137x" 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_es137x_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48bridge driver allows the generic audio driver 49.Xr sound 4 50to attach to the Ensoniq 137x audio cards. 51.Ss Runtime Configuration 52The following 53.Xr sysctl 8 54variables are available in addition to those available to all 55.Xr sound 4 56devices: 57.Bl -tag -width ".Va hw.snd.pcm%d.latency_timer" -offset indent 58.It Va hw.snd.pcm%d.latency_timer 59Controls the PCI latency timer setting. 60Increasing this value will solve most popping and crackling issues 61(especially on VIA motherboards). 62.It Va hw.snd.pcm%d.spdif_enabled 63Enables S/PDIF output on the primary playback channel. 64This 65.Xr sysctl 8 66variable is available only if the device is known to support S/PDIF output. 67.It Va dev.pcm.%d.polling 68Experimental polling mode, where the driver operates by querying the device 69state on each tick using 70.Xr callout 9 . 71Polling is disabled by default. 72Do not enable it unless you are facing weird interrupt problems or if the 73device cannot generate interrupts at all. 74.El 75.Sh HARDWARE 76The 77.Nm 78driver supports the following sound cards: 79.Pp 80.Bl -bullet -compact 81.It 82Creative CT5880-A 83.It 84Creative CT5880-C 85.It 86Creative CT5880-D 87.It 88Creative CT5880-E 89.It 90Creative SB AudioPCI CT4730 91.It 92Ensoniq AudioPCI ES1370 93.It 94Ensoniq AudioPCI ES1371-A 95.It 96Ensoniq AudioPCI ES1371-B 97.It 98Ensoniq AudioPCI ES1373-A 99.It 100Ensoniq AudioPCI ES1373-B 101.It 102Ensoniq AudioPCI ES1373-8 103.El 104.Sh SEE ALSO 105.Xr sound 4 106.Sh HISTORY 107The 108.Nm 109device driver first appeared in 110.Fx 4.0 . 111.Sh AUTHORS 112.An Russell Cattelan Aq Mt cattelan@thebarn.com 113.An Cameron Grant Aq Mt cg@FreeBSD.org 114.An Joachim Kuebart 115.An Jonathan Noack Aq Mt noackjr@alumni.rice.edu 116