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Date: Sun, 9 May 2010 10:54:35 +0900
From: Norikatsu Shigemura <nork@FreeBSD.org>
To: Jung-uk Kim <jkim@FreeBSD.org>
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Cc: freebsd-current@FreeBSD.org
Subject: Re: amdtemp(4) issue
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Hi jkim.

On Wed, 5 May 2010 13:51:10 -0400
Jung-uk Kim <jkim@FreeBSD.org> wrote:
> > 11 - 0x01 = +10C
> > 11 - 0x18 = -13C
> > 11 - 0x3f = -52C
> > [*] http://support.amd.com/us/Processor_TechDocs/31116.pdf
> AMD keeps flipping the sign from core to core. :-( Please see 
> AMDTEMP_FLAG_DO_SIGN for Family 0Fh, for example.  In fact, Linux 
> driver (k10temp) does not care about the DiodeOffset at all.  
> Instead, they just say "input" temperature.

	Oh my god...  OK, I see.

> > 	I got following thermal related registers in amdtemp_gettemp
> > function: May  5 15:06:53 nadesico kernel: amdtemp0: F3x64 Hardware
> > Thermal Control(HTC) Register = 0x3a4c0005 May  5 15:06:53 nadesico
> > kernel: amdtemp0: F3x68 Software Thermal Control(STC) Register =
> > 0x10000000 May  5 15:06:53 nadesico kernel: amdtemp0: F3xA4
> > Reported Temperature Control Register  = 0x000c1880 May  5 15:06:53
> > nadesico kernel: amdtemp0: F3xE4 Thermtrip Status Register         
> >     = 0x1cc01830 May  5 15:06:53 nadesico kernel: amdtemp0: F3xE8
> > Northbridge Capabilities Register      = 0x0207df19
> > 	But I don't have any idea to fix register's paraemters.  Do you
> > 	have any idea?
> Sorry, I don't.  You may find Linux k10temp driver 
> (drivers/hwmon/k10temp.c) useful, though.

	Thank you, I'll compare other implementations.