.\"	$NetBSD: eso.4,v 1.7 2005/06/22 04:30:08 kent Exp $
.\"
.\" Copyright (c) 1999 Klaus J. Klein
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.Dd June 22, 2005
.Dt ESO 4
.Os
.Sh NAME
.Nm eso
.Nd ESS Technology Solo-1 PCI AudioDrive audio device driver
.Sh SYNOPSIS
.Cd "eso*   at pci? dev ? function ?"
.Cd "audio* at audiobus?"
.Cd "joy*   at eso?"
.Cd "mpu*   at eso?"
.Cd "opl*   at eso?"
.Sh DESCRIPTION
The
.Nm
device driver supports sound cards based on ESS Technology Solo-1
PCI AudioDrive chips (ES1938 and ES1946),
e.g. the TerraTec 128i PCI card.
.Sh DIAGNOSTICS
.Bl -diag
.It "eso0: can't map Audio 1 DMA into I/O space"
PCI autoconfiguration did not map the first audio channel DMA controller into
I/O space at a suitable address, and the driver was not able map it by itself.
In that case only playback functionality will be available.
.It "eso0: reset timeout"
The device failed to acknowledge being reset.
.It "eso0: RDR timeout"
The driver timed out reading data from a controller register.
.It "eso0: WDR timeout"
The driver timed out waiting to send a command or writing to a controller
register.
.El
.Sh SEE ALSO
.Xr audio 4 ,
.Xr joy 4 ,
.Xr mpu 4 ,
.Xr opl 4 ,
.Xr pci 4
.Sh HISTORY
The
.Nm
device driver appeared in
.Nx 1.5 .
The on-board gameport was first supported in
.Nx 1.6 .