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From: Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
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Subject: [acpi-jp 1338] S4BIOS implementation (was Re: panic in EcWaitEventIntr?(Re: HEADS
 UP: ACPI CHANGES AFFECTING MOST -CURRENT USERS))
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Hi,

From: Takahiro Yakoh <yakoh@sd.keio.ac.jp>
Subject: [acpi-jp 1245] Re: panic in EcWaitEventIntr?(Re: HEADS UP: ACPI CHANGES AFFECTING MOST -CURRENT USERS)
Date: Wed, 5 Sep 2001 15:28:53 +0900
Message-ID: <20010905152853.A12323%yakoh@sd.keio.ac.jp>

> Hi,
> 
> > Yes, FIVA 206 has only _S[0345]_ object.  There is no _S1_ so you can't
> > acpiconf -s 1 (and 2).
> 
> Hum... but
> 	 -s 3 cause hang with white out!
> 	 -s 0,4 hang with acpi debug dump
> 	 -s 5 execute shutdown but power still on
> so there are no option which works fine.
> I also guess its BIOS is so buggy.
> What version of BIOS are you use?  Version of mine is AS1QD23.
> 
> > BTW, it seems S3 sleep is supported but back-light of LCD never be
> > power off on my FIVA.  How about yours?
> 
> As same as your machine.  I call it "white out".
> 
> > > -s 4b make hang without any message.
> > 
> > Yes, as far as I know, only Chandra2 support S4BIOS with the current
> > sleep/wakeup code.  However, I can imagine that adding S4BIOS support
> > code is not so hard.
> > 
> > Does anyone want to try it?  What we need to do is like this roughly;
> >  - set waking vector up
> >  - get S4BIOS_REQ value from FACP table
> >  - write the value to SMI_CMD port
> > # See also ACPI spec (sec. 7 and 9 if rev. 1.0b)
> 
> If nobody want to do that, may I try?  But since I have not so much time
> to read the spec and implement the code, it will take very long term :-(

How is this going?  I get some time to spend for this tonight and tomorrow.
Hopefully I can submit the S4BIOS patch within a couple of days, I hope
that someone test it.

Thanks


