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Diffstat (limited to 'share/man/man4/man4.sparc64/ecadc.4')
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diff --git a/share/man/man4/man4.sparc64/ecadc.4 b/share/man/man4/man4.sparc64/ecadc.4 new file mode 100644 index 00000000000..6b057acccf4 --- /dev/null +++ b/share/man/man4/man4.sparc64/ecadc.4 @@ -0,0 +1,57 @@ +.\" $OpenBSD: ecadc.4,v 1.1 2007/10/20 19:23:37 kettenis Exp $ +.\" +.\" Copyright (c) 2006 Damien Miller <djm@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: October 20 2007 $ +.Dt ECADC 4 +.Os +.Sh NAME +.Nm ecadc +.Nd Environmental Monitoring Subsystem temperature sensor +.Sh SYNOPSIS +.Cd "ecadc* at iic?" +.Sh DESCRIPTION +The +.Nm +driver supports the PCF8591 I2C Analogue to Digital Converter that is +part of the environmental monitoring subsystem found on the Sun +Enterprise 250 and Sun Enterprise 450 systems. +The temperature readings are made available through a +.Xr sysctl 8 +interface. +.Pp +The driver reads up to four A/D lines configured as temperature inputs. +Sensor names, type and calibration information are read from OpenFirmware. +.Sh SEE ALSO +.Xr iic 4 , +.Xr intro 4 , +.Xr pcfadc 8 , +.Xr sensorsd 8 , +.Xr sysctl 8 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.3 . +.Sh AUTHORS +.An -nosplit +The +.Nm +driver was written by +.An Mark Kettenis Aq kettenis@openbsd.org +based on the +.Xr pcdadc 4 +driver written by +.An Damien Miller Aq djm@openbsd.org . |