Remove jedec_ts(4)
The jedec_ts(4) driver has been marked as deprecated in stable/11, and is now being removed from -HEAD. Add a notice in UPDATING, and update the few remaining references (regarding jedec_dimm(4)'s compatibility and history) to reflect the fact that jedec_ts(4) is now deleted. Reviewed by: avg Relnotes: yes Differential Revision: https://reviews.freebsd.org/D16537
This commit is contained in:
Ravi Pokala
parent
b151226550
commit
b598845049
6
UPDATING
6
UPDATING
@ -31,6 +31,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
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disable the most expensive debugging functionality run
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"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
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20180731:
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The jedec_ts(4) driver has been removed. A superset of its functionality
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is available in the jedec_dimm(4) driver, and the manpage for that
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driver includes migration instructions. If you have "device jedec_ts"
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in your kernel configuration file, it must be removed.
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20180730:
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amd64/GENERIC now has EFI runtime services, EFIRT, enabled by default.
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This should have no effect if the kernel is booted via BIOS/legacy boot.
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@ -241,7 +241,6 @@ MAN= aac.4 \
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ixl.4 \
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ixlv.4 \
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jedec_dimm.4 \
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jedec_ts.4 \
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jme.4 \
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joy.4 \
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kbdmux.4 \
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@ -27,7 +27,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 24, 2018
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.Dd July 31, 2018
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.Dt JEDEC_DIMM 4
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.Os
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.Sh NAME
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@ -164,7 +164,7 @@ dev.jedec_dimm.6.type: DDR4
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.Ed
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.Sh COMPATIBILITY
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.Nm
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implements a superset of the functionality of
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implements a superset of the functionality of the now-deleted
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.Xr jedec_ts 4 .
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Hints for
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.Xr jedec_ts 4
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@ -199,7 +199,6 @@ sed -i ".old" -e 's/jedec_ts/jedec_dimm/' \\
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.Sh SEE ALSO
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.Xr iicbus 4 ,
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.Xr iicsmb 4 ,
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.Xr jedec_ts 4 ,
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.Xr smbus 4 ,
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.Xr sysctl 8
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.Sh STANDARDS
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@ -237,7 +236,7 @@ The
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.Nm
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driver and this manual page were written by
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.An Ravi Pokala Aq Mt rpokala@freebsd.org .
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They are both based in part on the
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They are both based in part on the now-deleted
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.Xr jedec_ts 4
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driver and manual page, written by
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.An Andriy Gapon Aq Mt avg@FreeBSD.org .
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@ -1,142 +0,0 @@
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.\"
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.\" Copyright (c) 2016 Andriy Gapon <avg@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 24, 2018
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.Dt JEDEC_TS 4
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.Os
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.Sh NAME
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.Nm jedec_ts
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.Nd driver for temperature sensors on memory modules
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.Sh SYNOPSIS
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.Bd -ragged -offset indent
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.Cd "device jedec_ts"
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.Cd "device smbus"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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jedec_ts_load="YES"
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.Ed
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.Pp
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In
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.Pa /boot/device.hints :
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.Bd -literal -offset indent
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.Cd hint.jedec_ts.0.at="smbus0"
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.Cd hint.jedec_ts.0.addr="0x30"
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.Cd hint.jedec_ts.1.at="smbus0"
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.Cd hint.jedec_ts.1.addr="0x32"
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.Cd hint.jedec_ts.2.at="smbus0"
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.Cd hint.jedec_ts.2.addr="0x34"
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.Cd hint.jedec_ts.3.at="smbus0"
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.Cd hint.jedec_ts.3.addr="0x36"
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.Cd hint.jedec_ts.4.at="smbus0"
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.Cd hint.jedec_ts.4.addr="0x38"
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.Cd hint.jedec_ts.5.at="smbus0"
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.Cd hint.jedec_ts.5.addr="0x3A"
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.Cd hint.jedec_ts.6.at="smbus0"
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.Cd hint.jedec_ts.6.addr="0x3C"
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.Cd hint.jedec_ts.7.at="smbus0"
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.Cd hint.jedec_ts.7.addr="0x3E"
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.Ed
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.Sh DEPRECATION NOTICE
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The
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.Nm
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driver is not present in
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.Fx 12.0
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and later.
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A superset of its functionality is available in the
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.Xr jedec_dimm 4
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driver.
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That driver's manpage includes instructions on updating
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.Pa /boot/device.hints
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accordingly.
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.Sh DESCRIPTION
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The
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.Nm
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driver provides access to sensor data over the
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.Xr smbus 4 .
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The driver supports temperature sensors on memory modules that conform
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to JEDEC Standard 21-C, TSE2002 Specification.
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.Pp
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The access to
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.Nm
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data is made via the
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.Xr sysctl 8
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interface:
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.Bl -tag -width "dev.jedec_ts.%d.temp"
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.It Va dev.jedec_ts.%d.temp
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read-only value of the current temperature read by the sensor.
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.El
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.Pp
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On a system using
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.Xr device.hints 5 ,
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these values are configurable for
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.Nm :
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.Bl -tag -width "hint.jedec_ts.%d.addr"
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.It Va hint.jedec_ts.%d.at
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target
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.Xr smbus 4 .
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.It Va hint.jedec_ts.%d.addr
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.Nm
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SMBus address on the
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.Xr smbus 4 .
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.El
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.Pp
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.Nm
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temperature sensors can be wired to eight different addresses,
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allowing up to eight sensors on the same
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.Xr smbus 4 .
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.Pp
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If the sensors are on an I2C bus behind an
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.Xr iicbus 4
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controller, then the
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.Xr iicsmb 4
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bridge driver can be used to attach the
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.Xr smbus 4 .
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.Sh EXAMPLES
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.Ss Sensor read out for two memory modules:
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.Bd -literal
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dev.jedec_ts.0.temp: 40.2500C
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dev.jedec_ts.1.temp: 40.7500C
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.Ed
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.Sh SEE ALSO
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.Xr iicbus 4 ,
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.Xr iicsmb 4 ,
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.Xr smbus 4 ,
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.Xr sysctl 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 11.1 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver and this manual page were written by
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.An Andriy Gapon Aq Mt avg@FreeBSD.org .
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@ -2478,10 +2478,8 @@ device smb
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# SMBus peripheral devices
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#
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# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs
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# jedec_ts Temperature Sensor compliant with JEDEC Standard 21-C
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#
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device jedec_dimm
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device jedec_ts
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# I2C Bus
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#
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@ -2308,7 +2308,6 @@ dev/ixgbe/ixgbe_dcb_82598.c optional ix inet | ixv inet \
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dev/ixgbe/ixgbe_dcb_82599.c optional ix inet | ixv inet \
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compile-with "${NORMAL_C} -I$S/dev/ixgbe"
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dev/jedec_dimm/jedec_dimm.c optional jedec_dimm smbus
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dev/jedec_ts/jedec_ts.c optional jedec_ts smbus
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dev/jme/if_jme.c optional jme pci
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dev/joy/joy.c optional joy
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dev/joy/joy_isa.c optional joy isa
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@ -32,9 +32,9 @@
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*/
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/*
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* This driver is a super-set of jedec_ts(4), and most of the code for reading
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* and reporting the temperature is either based on that driver, or copied
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* from it verbatim.
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* This driver is a super-set of the now-deleted jedec_ts(4), and most of the
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* code for reading and reporting the temperature is either based on that driver,
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* or copied from it verbatim.
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*/
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#include <sys/param.h>
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@ -1,283 +0,0 @@
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/*-
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* Copyright (c) 2016 Andriy Gapon <avg@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <sys/sysctl.h>
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#include <sys/systm.h>
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#include <dev/smbus/smbconf.h>
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#include <dev/smbus/smbus.h>
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#include "smbus_if.h"
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/*
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* General device identification notes.
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*
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* The JEDEC TSE2004av specification defines the device ID that all compliant
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* devices should use, but very few do in practice. Maybe that's because
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* TSE2002av was rather vague about that.
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* Rare examples are IDT TSE2004GB2B0 and Atmel AT30TSE004A, not sure if
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* they are TSE2004av compliant by design or by accident.
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* Also, the specification mandates that PCI SIG manufacturer IDs are to be
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* used, but in practice the JEDEC manufacturer IDs are often used.
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*/
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const struct ts_dev {
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uint16_t vendor_id;
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uint8_t device_id;
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const char *description;
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} known_devices[] = {
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/*
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* Analog Devices ADT7408.
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* http://www.analog.com/media/en/technical-documentation/data-sheets/ADT7408.pdf
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*/
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{ 0x11d4, 0x08, "Analog Devices DIMM temperature sensor" },
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/*
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* Atmel AT30TSE002B, AT30TSE004A.
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* http://www.atmel.com/images/doc8711.pdf
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* http://www.atmel.com/images/atmel-8868-dts-at30tse004a-datasheet.pdf
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* Note how one chip uses the JEDEC Manufacturer ID while the other
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* uses the PCI SIG one.
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*/
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{ 0x001f, 0x82, "Atmel DIMM temperature sensor" },
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{ 0x1114, 0x22, "Atmel DIMM temperature sensor" },
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/*
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* Integrated Device Technology (IDT) TS3000B3A, TSE2002B3C,
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* TSE2004GB2B0 chips and their variants.
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* http://www.idt.com/sites/default/files/documents/IDT_TSE2002B3C_DST_20100512_120303152056.pdf
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* http://www.idt.com/sites/default/files/documents/IDT_TS3000B3A_DST_20101129_120303152013.pdf
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* https://www.idt.com/document/dst/tse2004gb2b0-datasheet
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*/
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{ 0x00b3, 0x29, "IDT DIMM temperature sensor" },
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{ 0x00b3, 0x22, "IDT DIMM temperature sensor" },
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/*
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* Maxim Integrated MAX6604.
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* Different document revisions specify different Device IDs.
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* Document 19-3837; Rev 0; 10/05 has 0x3e00 while
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* 19-3837; Rev 3; 10/11 has 0x5400.
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* http://datasheets.maximintegrated.com/en/ds/MAX6604.pdf
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*/
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{ 0x004d, 0x3e, "Maxim Integrated DIMM temperature sensor" },
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{ 0x004d, 0x54, "Maxim Integrated DIMM temperature sensor" },
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/*
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* Microchip Technology MCP9805, MCP9843, MCP98242, MCP98243
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* and their variants.
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* http://ww1.microchip.com/downloads/en/DeviceDoc/21977b.pdf
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* Microchip Technology EMC1501.
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* http://ww1.microchip.com/downloads/en/DeviceDoc/00001605A.pdf
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*/
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{ 0x0054, 0x00, "Microchip DIMM temperature sensor" },
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{ 0x0054, 0x20, "Microchip DIMM temperature sensor" },
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{ 0x0054, 0x21, "Microchip DIMM temperature sensor" },
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{ 0x1055, 0x08, "Microchip DIMM temperature sensor" },
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/*
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* NXP Semiconductors SE97 and SE98.
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* http://www.nxp.com/docs/en/data-sheet/SE97B.pdf
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*/
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{ 0x1131, 0xa1, "NXP DIMM temperature sensor" },
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{ 0x1131, 0xa2, "NXP DIMM temperature sensor" },
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/*
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* ON Semiconductor CAT34TS02 revisions B and C, CAT6095 and compatible.
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* https://www.onsemi.com/pub/Collateral/CAT34TS02-D.PDF
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* http://www.onsemi.com/pub/Collateral/CAT6095-D.PDF
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*/
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{ 0x1b09, 0x08, "ON Semiconductor DIMM temperature sensor" },
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{ 0x1b09, 0x0a, "ON Semiconductor DIMM temperature sensor" },
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/*
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* ST[Microelectronics] STTS424E02, STTS2002 and others.
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* http://www.st.com/resource/en/datasheet/cd00157558.pdf
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* http://www.st.com/resource/en/datasheet/stts2002.pdf
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*/
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{ 0x104a, 0x00, "ST DIMM temperature sensor" },
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{ 0x104a, 0x03, "ST DIMM temperature sensor" },
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};
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static const char *
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ts_match_device(uint16_t vid, uint16_t did)
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{
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const struct ts_dev *d;
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int i;
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for (i = 0; i < nitems(known_devices); i++) {
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d = &known_devices[i];
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if (vid == d->vendor_id && (did >> 8) == d->device_id)
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return (d->description);
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}
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/*
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* If no match for a specific device, then check
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* for a generic TSE2004av compliant device.
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*/
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if ((did >> 8) == 0x22)
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return ("TSE2004av compliant DIMM temperature sensor");
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return (NULL);
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}
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/*
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* SMBus specification defines little-endian byte order,
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* but it seems that the JEDEC devices expect it to
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* be big-endian.
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*/
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static int
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ts_readw_be(device_t dev, uint8_t reg, uint16_t *val)
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{
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device_t bus = device_get_parent(dev);
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uint8_t addr = smbus_get_addr(dev);
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int err;
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err = smbus_readw(bus, addr, reg, val);
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if (err != 0)
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return (err);
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*val = be16toh(*val);
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return (0);
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}
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static int
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ts_temp_sysctl(SYSCTL_HANDLER_ARGS)
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{
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device_t dev = arg1;
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int err;
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int temp;
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uint16_t val;
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err = ts_readw_be(dev, 5, &val);
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if (err != 0)
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return (EIO);
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/*
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* Convert the reading to temperature in 0.0001 Kelvins.
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* Three most significant bits are flags, the next
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* most significant bit is a sign bit.
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* Each step is 0.0625 degrees.
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*/
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temp = val & 0xfff;
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if ((val & 0x1000) != 0)
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temp = -temp;
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temp = temp * 625 + 2731500;
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err = sysctl_handle_int(oidp, &temp, 0, req);
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return (err);
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}
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static int
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ts_probe(device_t dev)
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{
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const char *match;
|
||||
int err;
|
||||
uint16_t vendorid;
|
||||
uint16_t devid;
|
||||
uint8_t addr;
|
||||
|
||||
addr = smbus_get_addr(dev);
|
||||
if ((addr & 0xf0) != 0x30) {
|
||||
/* Up to 8 slave devices starting at 0x30. */
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
err = ts_readw_be(dev, 6, &vendorid);
|
||||
if (err != 0) {
|
||||
device_printf(dev, "failed to read Manufacturer ID\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
err = ts_readw_be(dev, 7, &devid);
|
||||
if (err != 0) {
|
||||
device_printf(dev, "failed to read Device ID\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
match = ts_match_device(vendorid, devid);
|
||||
if (match == NULL) {
|
||||
if (bootverbose) {
|
||||
device_printf(dev, "Unknown Manufacturer and Device IDs"
|
||||
", 0x%x and 0x%x\n", vendorid, devid);
|
||||
}
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
device_set_desc(dev, match);
|
||||
return (BUS_PROBE_DEFAULT);
|
||||
}
|
||||
|
||||
static int
|
||||
ts_attach(device_t dev)
|
||||
{
|
||||
struct sysctl_ctx_list *ctx;
|
||||
struct sysctl_oid_list *tree;
|
||||
|
||||
ctx = device_get_sysctl_ctx(dev);
|
||||
tree = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
|
||||
SYSCTL_ADD_PROC(ctx, tree, OID_AUTO, "temp",
|
||||
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, 0,
|
||||
ts_temp_sysctl, "IK4", "Current temperature");
|
||||
|
||||
gone_in_dev(dev, 12,
|
||||
"jedec_ts(4) driver; see COMPATIBILITY section of jedec_dimm(4)");
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
ts_detach(device_t dev)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
||||
static device_method_t jedec_ts_methods[] = {
|
||||
/* Methods from the device interface */
|
||||
DEVMETHOD(device_probe, ts_probe),
|
||||
DEVMETHOD(device_attach, ts_attach),
|
||||
DEVMETHOD(device_detach, ts_detach),
|
||||
|
||||
/* Terminate method list */
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t jedec_ts_driver = {
|
||||
"jedec_ts",
|
||||
jedec_ts_methods,
|
||||
0 /* no softc */
|
||||
};
|
||||
|
||||
static devclass_t jedec_ts_devclass;
|
||||
|
||||
DRIVER_MODULE(jedec_ts, smbus, jedec_ts_driver, jedec_ts_devclass, 0, 0);
|
||||
MODULE_DEPEND(jedec_ts, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
|
||||
MODULE_VERSION(jedec_ts, 1);
|
||||
@ -16,7 +16,6 @@ SUBDIR = \
|
||||
isl \
|
||||
isl12xx \
|
||||
jedec_dimm \
|
||||
jedec_ts \
|
||||
nxprtc \
|
||||
rtc8583 \
|
||||
s35390a \
|
||||
|
||||
@ -1,7 +0,0 @@
|
||||
# $FreeBSD$
|
||||
|
||||
.PATH: ${SRCTOP}/sys/dev/jedec_ts
|
||||
KMOD = jedec_ts
|
||||
SRCS = jedec_ts.c bus_if.h device_if.h smbus_if.h
|
||||
|
||||
.include <bsd.kmod.mk>
|
||||
Loading…
Reference in New Issue
Block a user