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author | trhodes <trhodes@FreeBSD.org> | 2004-06-21 18:20:57 +0000 |
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committer | trhodes <trhodes@FreeBSD.org> | 2004-06-21 18:20:57 +0000 |
commit | e3d9f92298abd334138ae1dee7148bd5932f0025 (patch) | |
tree | c82fd259e3752317cf739e4e5abd4293a6dd8a90 /share/man/man4/rc.4 | |
parent | e4dd46f82f856630a7a2cd642b28d84333657460 (diff) | |
download | FreeBSD-src-e3d9f92298abd334138ae1dee7148bd5932f0025.zip FreeBSD-src-e3d9f92298abd334138ae1dee7148bd5932f0025.tar.gz |
Add manual pages for cm(4), esp(4), rc(4) and snc(4).
Diffstat (limited to 'share/man/man4/rc.4')
-rw-r--r-- | share/man/man4/rc.4 | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/share/man/man4/rc.4 b/share/man/man4/rc.4 new file mode 100644 index 0000000..39f40ad --- /dev/null +++ b/share/man/man4/rc.4 @@ -0,0 +1,124 @@ +.\" +.\" Copyright (c) 2004 Tom Rhodes +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. +.\" +.\" $FreeBSD$ +.\" +.Dd June 21, 2004 +.Dt RC 4 +.Os +.Sh NAME +.Nm rc +.Nd RISCom/8 multiport card +.Sh SYNOPSIS +.Cd device isa +.Cd device rc +.Sh DESCRIPTION +The +.Nm +driver provides support for the +.Tn SDL +Communications +.Tn Riscom/8 +boards. +The +.Tn RISCom/8 +is an eight port +.Tn ISA +.Tn RS-232C +communications multiplexor with a built in +.Tn RISC +processor. +It uses a block of sixteen +.Tn I/O +ports in the range 0x200 to 0x3f0 selectable by on-board +switches or jumpers. +The block must be aligned on a sixteen port boundary. +The jumper-selectable hardware interrupt level may be set to +be detected during system +initialization using settings found in the +.Pa /boot/device.hints +file. +.Pp +This driver is mostly based on Cirrus Logic CL-CD180 driver. +.Sh ERRORS +The following driver specific error messages +may be reported: +.Bl -tag -width Er +.It Bq Er EBUSY +May be returned if the device was busy when a +request to access its resources was made by +.Nm +and was denied. +.It Bq Er ENOMEM +May be returned if the +.Nm +driver was unable to obtain the +.Tn IOBASE +addresses. +.It Bq Er ENXIO +May be returned if the device cannot obtain a valid +.Tn IO +port through +.Fn isa_get_port . +This error may also be returned if the +.Fn isa_get_irq +function cannot obtain a valid +.Tn IRQ . +.El +.Sh SEE ALSO +.Xr tty 1 , +.Xr ttyname 3 , +.Xr tty 4 , +.Xr sio 4 , +.Xr device.hints 5 , +.Xr comcontrol 8 , +.Xr getty 8 , +.Xr mutex 9 , +.Xr splx 9 +.Pp +.Pa http://www.sdlcomm.com +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 2.0.5 . +This manual page first appeared in +.Fx 5.3 . +.Sh AUTHORS +This manual page was written by +.An Tom Rhodes Aq trhodes@FreeBSD.org . +.Sh BUGS +The +.Nm +driver code still uses the +.Fn splx +functions. +These should be replaced by +.Xr mutex 9 +functions. +.Pp +The various +.Fn ttyld_* +functions should be documented. |