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.\" $FreeBSD$ 26.\" 27.Dd November 29, 2006 28.Dt SND_ES137X 4 29.Os 30.Sh NAME 31.Nm snd_es137x 32.Nd "Ensoniq AudioPCI ES137x 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_es137x" 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_es137x_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50bridge driver allows the generic audio driver 51.Xr sound 4 52to attach to the Ensoniq 137x audio cards. 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 hw.snd.pcm%d.latency_timer" -offset indent 60.It Va hw.snd.pcm%d.latency_timer 61Controls the PCI latency timer setting. 62Increasing this value will solve most popping and crackling issues 63(especially on VIA motherboards). 64.It Va hw.snd.pcm%d.spdif_enabled 65Enables S/PDIF output on the primary playback channel. 66This 67.Xr sysctl 8 68variable is available only if the device is known to support S/PDIF output. 69.It Va dev.pcm.%d.polling 70Experimental polling mode, where the driver operates by querying the device 71state on each tick using 72.Xr callout 9 . 73Polling is disabled by default. 74Do not enable it unless you are facing weird interrupt problems or if the 75device cannot generate interrupts at all. 76.El 77.Sh HARDWARE 78The 79.Nm 80driver supports the following sound cards: 81.Pp 82.Bl -bullet -compact 83.It 84Creative CT5880-A 85.It 86Creative CT5880-C 87.It 88Creative CT5880-D 89.It 90Creative CT5880-E 91.It 92Creative SB AudioPCI CT4730 93.It 94Ensoniq AudioPCI ES1370 95.It 96Ensoniq AudioPCI ES1371-A 97.It 98Ensoniq AudioPCI ES1371-B 99.It 100Ensoniq AudioPCI ES1373-A 101.It 102Ensoniq AudioPCI ES1373-B 103.It 104Ensoniq AudioPCI ES1373-8 105.El 106.Sh SEE ALSO 107.Xr sound 4 108.Sh HISTORY 109The 110.Nm 111device driver first appeared in 112.Fx 4.0 . 113.Sh AUTHORS 114.An Russell Cattelan Aq Mt cattelan@thebarn.com 115.An Cameron Grant Aq Mt cg@FreeBSD.org 116.An Joachim Kuebart 117.An Jonathan Noack Aq Mt noackjr@alumni.rice.edu 118