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Diffstat (limited to 'static/openbsd/man4/schsio.4')
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1 files changed, 95 insertions, 0 deletions
diff --git a/static/openbsd/man4/schsio.4 b/static/openbsd/man4/schsio.4 new file mode 100644 index 00000000..e68ed8de --- /dev/null +++ b/static/openbsd/man4/schsio.4 @@ -0,0 +1,95 @@ +.\" $OpenBSD: schsio.4,v 1.4 2013/07/16 16:05:49 schwarze Exp $ +.\" +.\" Copyright (c) 2009 Michael Knudsen <mk@openbsd.org> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.Dd $Mdocdate: July 16 2013 $ +.Dt SCHSIO 4 +.Os +.Sh NAME +.Nm schsio +.Nd SMSC SCH311x LPC Super I/O +.Sh SYNOPSIS +.Cd "schsio* at isa? port 0x2e flags 0x0000" +.Cd "schsio* at isa? port 0x4e flags 0x0000" +.Cd "schsio* at isa? port 0x162e flags 0x0000" +.Cd "schsio* at isa? port 0x164e flags 0x0000" +.Sh DESCRIPTION +The +.Nm +driver provides support for the SMSC SCH3112, SCH3114, and SCH3116 +ICs. +Among other things, the devices contain environment sensors, a watchdog +timer, and fan control. +The +.Nm +driver supports the environment sensors and the watchdog timer. +.Pp +The hardware provides the following sensors: +.Bl -column "Internal diode" "Units" "Typical" -offset indent +.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical use" +.It Li "Internal diode" Ta "uK" Ta "IC internal thermal diode" +.It Li "Remote diode 1" Ta "uK" Ta "External thermal diode" +.It Li "Remove diode 2" Ta "uK" Ta "External thermal diode" +.It Li "FAN1" Ta "RPM" Ta "Fan tachometer" +.It Li "FAN2" Ta "RPM" Ta "Fan tachometer" +.It Li "FAN3" Ta "RPM" Ta "Fan tachometer" +.It Li "+2.5V" Ta "uV" Ta "Voltage" +.It Li "+1.5V (Vccp)" Ta "uV" Ta "Voltage" +.It Li "+3.3V (VCC)" Ta "uV" Ta "Voltage" +.It Li "+5V" Ta "uV" Ta "Voltage" +.It Li "+12V" Ta "uV" Ta "Voltage" +.It Li "+3.3V (VTR)" Ta "uV" Ta "Voltage" +.It Li "+3V (Vbat)" Ta "uV" Ta "Voltage" +.El +.Pp +.Nm +provides the standard +.Xr watchdog 4 +interface and may be used with +.Xr watchdogd 8 . +The watchdog timer may be configured to a value from 1 second to 255 +minutes. +The watchdog timer has a resolution of 1 second in the timeout interval +1 to 255 seconds. +Outside this interval, the resolution is 1 minute. +.Pp +Note that the pin used for signalling the timer expiration is +configurable and may on some boards be intended for other uses than this. +Because of this, the chip may not by default be configured to use the +pin for watchdog operation. +To force the +.Nm +device to use the pin for watchdog operation, the driver may be +configured with an +.Xr autoconf 9 +.Ar flags +setting of 0x0001. +.Sh SEE ALSO +.Xr intro 4 , +.Xr isa 4 , +.Xr watchdog 4 , +.Xr sensorsd 8 , +.Xr sysctl 8 , +.Xr watchdogd 8 , +.Xr autoconf 9 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.5 . +.Sh AUTHORS +The +.Nm +driver was written by +.An Michael Knudsen Aq Mt mk@openbsd.org . |