1.\" $NetBSD: eap.4,v 1.17 2008/04/30 13:10:53 martin Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Lennart Augustsson. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd July 22, 2006 31.Dt EAP 4 32.Os 33.Sh NAME 34.Nm eap 35.Nd AudioPCI audio device driver 36.Sh SYNOPSIS 37.Cd "eap* at pci? dev ? function ?" 38.Cd "audio* at audiobus?" 39.Cd "joy* at eap?" 40.Cd "midi* at eap?" 41.Cd "options EAP_USE_BOTH_DACS" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for the Ensoniq AudioPCI and Creative Labs 46SoundBlaster PCI series of audio cards. 47All models based on the ES1370, ES1371, and ES1373 chips are supported. 48.Pp 49By specifying: 50.Bd -unfilled -offset indent 51options EAP_USE_BOTH_DACS 52.Ed 53.Pp 54a second audio device is attached. 55You can use it simply by directing audio output to it. 56This way it is possible for two different programs to use the "same" 57audio device simultaneously. 58.Sh SEE ALSO 59.Xr ac97 4 , 60.Xr audio 4 , 61.Xr joy 4 , 62.Xr midi 4 , 63.Xr pci 4 64.Sh HISTORY 65The 66.Nm 67device driver appeared in 68.Nx 1.4 . 69.Sh CAVEATS 70The joystick port hardware works by emulating a legacy 71.Xr isa 4 72joystick port, bypassing the 73.Xr pci 4 74bus method for address allocation. 75This is unlikely to work on PCI busses other than the primary one. 76There is also a possibility for conflicts with real ISA devices 77because the PCI bus is probed before ISA. 78Use with caution. 79