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Date:      Tue, 30 Nov 1999 00:23:16 +0900
From:      Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
To:        current@FreeBSD.org
Cc:        freebsd-mobile@freebsd.org, acpi-jp@jp.freebsd.org
Subject:   ACPI project progress report - Nov.
Message-ID:  <199911291523.AAA00320@tasogare.imasy.or.jp>

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Hi, here is the Nov. progress report from ACPI project in Japan.

1. Summary of our activities in this month:
 - setup CVS repository and CVSup collection for developing
   environment (jp-acpi collection on cvsup.jp.FreeBSD.org).
 - improve device driver (S1 and S5 state transition are supportted
   on several machines).
 - gather ASL code and DSDT data (not so many, but still useful to
   design AML interpreter).
 - start AML interpreter developing (now it is in the userland, then
   move it to kernel space later).

2.ACPI CVS repository and CVSup
To CVSup acpi development source tree, please try this configuration.
---------------------------------------
*default host=cvsup.jp.FreeBSD.org
*default base=/usr
*default prefix=/home/cvs
*default release=cvs 
*default delete use-rel-suffix

jp-acpi
#jp-all
---------------------------------------
Other CVSup servers (such as cvsup2.jp.FreeBSD.org) are also available.

3. ACPI device driver progress:
 - detect ACPI BIOS and install the interrupt handler.
 - experimental support S1 (sleeping state 1) and S5 (soft off).
 - have abilities to detect and handle power/sleep button press event.
 - add builtin PTS (prepare to sleep) control method for several
   machines. this is temporary until finish AML interpreter development.
 - set sleeping state via ioctl.

  Yes, now it's possible that shutdown and power machine off by power
button, but only work for the limited number of supported machines.
Difficulty is to get value of \_Sx package and parse/execute \_PTS
method, so our tentative solution is to have builtin PTS functions for
the machines using bogos macros :-)  Stupid? yes I think so too.
  We've started discussing AML interpreter implementation.

4. ASL code and DSDT data collection
  We are gathering them for further design and implementation.
CVSup ACPI source tree, compile ACPI/util/ tools, then 
  % cd ACPI/util/dfr/acpitest/
  % ./acpitest >foo.asl

  % cd ACPI/util/takawata/acpi/
  % ./acpitblrd foo.dsdt.dat
  >^D
  %

and finally send them to takawata@shidahara1.planet.sci.kobe-u.ac.jp.
Submitted data will be stored in ACPI CVS repository.

5. AML interpreter implementation
  We've just started based on Doug Rabson's acpitest program, but
parsing AML and managing objects in the name space are almost
finished.  We're going to make configuration utility first with AML
interpreter in the userland, then move it to kernel space after brush
it out.
Please see
http://www.jp.freebsd.org/cgi/cvsweb.cgi/ACPI/util/acpiconf?cvsroot=freebsd-jp


In the beginning of this project, we thought merging them to
4.0-RELEASE would be very much exciting, but it seems the codes are
still young to merge and 4.0-RELEASE feature freeze is comming soon.
We will try another chance, hopefully we have AML interpreter in
kernel space at that time.

Attached diffs are the latest acpi device driver against -current.

# cd /usr/src
# mkdir sys/i386/acpi
# patch < this_patch

Suggestions, ideas, patches, bug reports, rewriting the codes, offer
of cooperation/volunteers and others are very appreciated.

Thanks!


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