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Diffstat (limited to 'static/netbsd/man4/sb.4')
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diff --git a/static/netbsd/man4/sb.4 b/static/netbsd/man4/sb.4 new file mode 100644 index 00000000..74a70d8c --- /dev/null +++ b/static/netbsd/man4/sb.4 @@ -0,0 +1,110 @@ +.\" $NetBSD: sb.4,v 1.27 2019/08/07 19:07:09 wiz Exp $ +.\" +.\" Copyright (c) 1996 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by John T. Kohl. +.\" +.\" 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. +.\" +.\" 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 June 22, 2005 +.Dt SB 4 +.Os +.Sh NAME +.Nm sb +.Nd SoundBlaster family (and compatible) audio device driver +.Sh SYNOPSIS +.Cd "sb0 at isa? port 0x220 irq 5 drq 1 drq2 5" +.Cd "sb1 at isa? port 0x240 irq 7 drq 1 flags 1" +.Cd "sb* at isapnp?" +.Cd "sb* at pnpbios? index ?" +.Cd "audio* at audiobus?" +.Cd "midi* at sb?" +.Cd "mpu* at sb?" +.Cd "opl* at sb?" +.Sh DESCRIPTION +The +.Nm +driver provides support for the SoundBlaster, SoundBlaster Pro, +SoundBlaster 16, Jazz 16, SoundBlaster AWE 32, SoundBlaster AWE 64, +and hardware register-level compatible audio cards. +.Pp +The SoundBlaster series are half-duplex cards, capable of 8- and 16-bit +audio sample recording and playback at rates up to 44.1kHz (depending on +the particular model). +.Pp +The base I/O port address is usually jumper-selected to either 0x220 or +0x240 (newer cards may provide software configuration, but this driver +does not directly support them--you must configure the card for its I/O +addresses with other software). +The SoundBlaster takes 16 I/O ports. +For the SoundBlaster and SoundBlaster Pro, the IRQ and DRQ channels are +jumper-selected. +For the SoundBlaster 16, the IRQ and DRQ channels are +set by this driver to the values specified in the config file. +The IRQ must be selected from the set {5,7,9,10}. +.Pp +The configuration file must use 1 +.Cm flags +specification to enable the Jazz16 support. +This is to avoid potential conflicts with other devices when probing +the Jazz 16 because it requires use of extra I/O ports not in the +base port range. +.Pp +With a SoundBlaster 16 card the device is full duplex, but it can +only sensibly handle a precision of 8 bits. +It does so by extending +the output 8 bit samples to 16 bits and using the 8 bit DMA channel +for input and the 16 bit channel for output. +.Pp +The joystick interface (if enabled by a jumper) is handled by the +.Xr joy 4 +driver, and the optional SCSI CD-ROM interface is handled by the +.Xr aic 4 +driver. +.Pp +SoundBlaster 16 cards have MPU401 emulation and can use the mpu +attachment, older cards have a different way to generate MIDI and +has a midi device attached directly to the +.Nm . +.Sh SEE ALSO +.Xr aic 4 , +.Xr audio 4 , +.Xr i386/pnpbios 4 , +.Xr isa 4 , +.Xr isapnp 4 , +.Xr joy 4 , +.Xr midi 4 , +.Xr mpu 4 , +.Xr opl 4 +.Sh HISTORY +The +.Nm +device driver appeared in +.Nx 1.0 . +.Sh BUGS +Non-SCSI CD-ROM interfaces are not supported. +.Pp +The MIDI interface on the SB hardware is braindead, and the driver +needs to busy wait while writing MIDI data. +This will consume a lot of system time. |