Wed May 13 12:40:37 2009 UTC ()
New sentence, new line. Use more markup.


(wiz)
diff -r1.13 -r1.14 src/share/man/man4/com.4
cvs diff -r1.13 -r1.14 src/share/man/man4/com.4 (expand / switch to unified diff)

--- src/share/man/man4/com.4 2007/06/01 11:24:22 1.13
+++ src/share/man/man4/com.4 2009/05/13 12:40:37 1.14
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1.\" $NetBSD: com.4,v 1.13 2007/06/01 11:24:22 jnemeth Exp $ 1.\" $NetBSD: com.4,v 1.14 2009/05/13 12:40:37 wiz Exp $
2.\" 2.\"
3.\" Copyright (c) 1990, 1991 The Regents of the University of California. 3.\" Copyright (c) 1990, 1991 The Regents of the University of California.
4.\" All rights reserved. 4.\" All rights reserved.
5.\" 5.\"
6.\" This code is derived from software contributed to Berkeley by 6.\" This code is derived from software contributed to Berkeley by
7.\" the Systems Programming Group of the University of Utah Computer 7.\" the Systems Programming Group of the University of Utah Computer
8.\" Science Department. 8.\" Science Department.
9.\" Redistribution and use in source and binary forms, with or without 9.\" Redistribution and use in source and binary forms, with or without
10.\" modification, are permitted provided that the following conditions 10.\" modification, are permitted provided that the following conditions
11.\" are met: 11.\" are met:
12.\" 1. Redistributions of source code must retain the above copyright 12.\" 1. Redistributions of source code must retain the above copyright
13.\" notice, this list of conditions and the following disclaimer. 13.\" notice, this list of conditions and the following disclaimer.
14.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" 2. Redistributions in binary form must reproduce the above copyright
@@ -63,55 +63,63 @@ @@ -63,55 +63,63 @@
63.Ss IBM PowerPC 4xx 63.Ss IBM PowerPC 4xx
64.Cd "com* at opb?" 64.Cd "com* at opb?"
65.Ss SPARC 65.Ss SPARC
66.Cd "com* at ebus?" 66.Cd "com* at ebus?"
67.Cd "com* at obio0" 67.Cd "com* at obio0"
68.Sh DESCRIPTION 68.Sh DESCRIPTION
69The 69The
70.Nm 70.Nm
71driver provides support for NS8250-, NS16450-, and NS16550-based 71driver provides support for NS8250-, NS16450-, and NS16550-based
72.Tn EIA 72.Tn EIA
73.Tn RS-232C 73.Tn RS-232C
74.Pf ( Tn CCITT 74.Pf ( Tn CCITT
75.Tn V.28 ) 75.Tn V.28 )
76communications interfaces. The NS8250 and NS16450 have single character 76communications interfaces.
 77The NS8250 and NS16450 have single character
77buffers, and the NS16550 has a 16 character buffer. 78buffers, and the NS16550 has a 16 character buffer.
78.Pp 79.Pp
79Input and output for each line may set to one of following baud rates; 80Input and output for each line may set to one of following baud rates;
8050, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 8150, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600,
8119200, 38400, 57600, or 115200, or any other baud rate which is a factor 8219200, 38400, 57600, or 115200, or any other baud rate which is a factor
82of 115200. 83of 115200.
83.Pp 84.Pp
84The ttyXX devices are traditional dial-in devices; the dtyXX devices are 85The ttyXX devices are traditional dial-in devices; the dtyXX devices are
85used for dial-out. (See 86used for dial-out.
 87(See
86.Xr tty 4 . ) 88.Xr tty 4 . )
87.Pp 89.Pp
88The 90.Cd options COM_HAYESP
89.Va COM_HAYESP 91adds support for the Hayes ESP serial board.
90kernel option adds support for the Hayes ESP serial board. 
91.Pp 92.Pp
92With options RND_COM enabled, the 93With
 94.Cd options RND_COM
 95enabled, the
93.Nm 96.Nm
94driver can be used to collect entropy for the 97driver can be used to collect entropy for the
95.Xr rnd 4 98.Xr rnd 4
96entropy pool. The entropy is generated from interrupt randomness. 99entropy pool.
 100The entropy is generated from interrupt randomness.
97.Ss Arm32 specific 101.Ss Arm32 specific
98If 102If
99.Dq flags 1 103.Dq flags 1
100is specified, the 104is specified, the
101.Nm 105.Nm
102driver will not set the MCR_IENABLE bit on the UART. This is mainly for 106driver will not set the
103use on AST multiport boards, where the MCR_IENABLE bit is used to control 107.Dv MCR_IENABLE
104whether or not the devices use a shared interrupt. 108bit on the UART.
 109This is mainly for use on AST multiport boards, where the
 110.Dv MCR_IENABLE
 111bit is used to control whether or not the devices use a shared
 112interrupt.
105.Sh FILES 113.Sh FILES
106.Bl -tag -width Pa -compact 114.Bl -tag -width Pa -compact
107.It Pa /dev/dty00 115.It Pa /dev/dty00
108.It Pa /dev/dty01 116.It Pa /dev/dty01
109.It Pa /dev/dty02 117.It Pa /dev/dty02
110.It Pa /dev/tty00 118.It Pa /dev/tty00
111.It Pa /dev/tty01 119.It Pa /dev/tty01
112.It Pa /dev/tty02 120.It Pa /dev/tty02
113.El 121.El
114.Sh DIAGNOSTICS 122.Sh DIAGNOSTICS
115.Bl -diag 123.Bl -diag
116.It com%d: %d silo overflows 124.It com%d: %d silo overflows
117The input 125The input