90 lines
3.5 KiB
Groff
90 lines
3.5 KiB
Groff
.\" $NetBSD: ess.4,v 1.9 2000/02/15 17:23:11 nathanw Exp $
|
|
.\"
|
|
.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the NetBSD
|
|
.\" Foundation, Inc. and its contributors.
|
|
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
.\" contributors may be used to endorse or promote products derived
|
|
.\" from this software without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
.\" POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd February 18, 1999
|
|
.Dt ESS 4
|
|
.Os
|
|
.Sh NAME
|
|
.Nm ess
|
|
.Nd ESS Technology AudioDrive family audio device driver
|
|
.Sh SYNOPSIS
|
|
.Cd "ess0 at isa? port 0x220 irq 5 drq 1 drq2 5"
|
|
.Cd "ess* at isapnp?"
|
|
.Cd "ess* at pnpbios? index ?"
|
|
.Cd "ess* at ofisa?"
|
|
.Cd "audio* at ess?"
|
|
.Cd "opl* at ess?"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
driver provides support for the ESS 1788, 1888, 1887, and 888 AudioDrive
|
|
audio devices.
|
|
.Pp
|
|
The AudioDrive 1788 is a half-duplex device, while the 1888, 1887, and
|
|
888 are full-duplex. All are capable of 8- and 16-bit audio sample
|
|
recording and playback at rates up to 44.1kHz.
|
|
.Pp
|
|
The AudioDrive takes 16 I/O ports. The I/O port range, IRQ, and DRQ
|
|
channels are set by the driver to the vaues specified in the
|
|
configuration file (or for isapnp, pnpbios, or ofisa, the values
|
|
assigned from the firmware).
|
|
The I/O port base must be one of 0x220, 0x230, 0x240,
|
|
0x250. The IRQ must be one of 5, 7, 9, 10 (or 15 on the 1887
|
|
only). The first DRQ channel must be selected from 0, 1, 3. The second
|
|
DRQ channel (used for playback by the full-duplex 1888/1887, ignored
|
|
by the 1788) can additionally be set to 5. If both DRQ channels are
|
|
used they must be different.
|
|
.Pp
|
|
The joystick interface (if enabled) is handled by the
|
|
.Xr joy 4
|
|
driver.
|
|
.Sh BUGS
|
|
The AudioDrive devices have a SoundBlaster compatibility mode, and may
|
|
be detected by the SoundBlaster driver (see
|
|
.Xr sb 4 )
|
|
rather than the AudioDrive driver. The workaround is to remove the
|
|
SoundBlaster driver from the kernel configuration.
|
|
.Sh SEE ALSO
|
|
.Xr audio 4 ,
|
|
.Xr isa 4 ,
|
|
.Xr isapnp 4 ,
|
|
.Xr ofisa 4 ,
|
|
.Xr opl 4 ,
|
|
.Xr pnpbios 4 ,
|
|
.Xr joy 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
device driver appeared in
|
|
.Nx 1.4 .
|