1.\" $OpenBSD: cmpci.4,v 1.14 2008/04/04 06:38:22 jmc Exp $ 2.\" 3.\" Copyright (c) 2000 Takuya SHIOZAKI 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd $Mdocdate: April 4 2008 $ 28.Dt CMPCI 4 29.Os 30.Sh NAME 31.Nm cmpci 32.Nd C-Media CMI8338, CMI8738, CMI8768 PCI audio device 33.Sh SYNOPSIS 34.Cd "cmpci* at pci?" 35.Cd "audio* at cmpci?" 36.Cd "opl* at cmpci?" 37.Sh DESCRIPTION 38The 39.Nm 40driver supports the C-Media CMI8338A, CMI8338B, CMI8738, CMI8738B 41and CMI8768 sound chips present in some PCI sound cards and some 42integrated PC motherboard chipsets (such as the SiS 530). 43.Pp 44Hardware features: 45.Bl -bullet -offset indent 46.It 47Supports 8 common sample rates from 5512 Hz to 48000 Hz 48.It 49Hardware full-duplex support enables simultaneous record and playback 50.It 51Some CMI8738 versions support 4 and 6 channel playback 52.It 53CMI8768 chips support 4, 6, and 8 channel playback 54.It 55CMI8768 chips can only record sample rates of 44100 Hz or 48000 Hz 56.It 57Hardware copying of front to rear for playing stereo input on 4 speakers 58.It 59S/PDIF input and output 60.El 61.Sh SEE ALSO 62.Xr audio 4 , 63.Xr intro 4 , 64.Xr opl 4 , 65.Xr pci 4 66.Sh HISTORY 67The 68.Nm 69device driver appeared in 70.Ox 2.7 . 71.Sh BUGS 72The Joystick port is not supported. 73