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Date: Thu, 25 Oct 2001 01:22:43 +0900 (JST)
Message-Id: <20011025.012243.71082514.iwasaki@jp.FreeBSD.org>
To: acpi-jp@jp.freebsd.org
Cc: arch@freebsd.org, audit@freebsd.org
Subject: ACPI: APM compatibility implementation
From: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
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X-Loop: FreeBSD.ORG

Hi,

I've just started implementation of APM compatibility stuff for
FreeBSD/i386.
The goal is to support most APM applications (binary) w/o any changes
on ACPI enabled kernel.
This emulates APM device node interface APIs (mainly ioctl) and
provides APM services for the applications.

The patches at:
http://people.freebsd.org/~iwasaki/acpi/acpi_compat_apm-20011025.diff

Currently following ioctls are implemented;
 - APMIO_SUSPEND (mapped S3 as default but can be changed by sysctl)
 - APMIO_STANDBY (mapped S1 as default but can be changed by sysctl)
 - APMIO_GETINFO and APMIO_GETINFO_OLD
 - APMIO_GETPWSTATUS

Many APM applications are already supported.

apmopen, apmclose, apmwrite, apmpoll and following ioctls are fake :-p
 - APMIO_ENABLE
 - APMIO_DISABLE
 - APMIO_HALTCPU
 - APMIO_NOTHALTCPU
 - APMIO_DISPLAY
 - APMIO_BIOS

My apm reports correct info with ACPI kernel as follows.

% apm
APM version: 1.2
APM Managment: Enabled
AC Line status: off-line
Battery status: high
Remaining battery life: 99%
Remaining battery time:  3:18:00
Number of batteries: 1
Battery 0:
        Battery status: high
        Remaining battery life: 99%
        Remaining battery time:  3:18:00
Resume timer: Thu Jan  1 08:59:59 1970
Resume on ring indicator: disabled
APM Capacities:
        unknown

Any comments are welcome.  I'll commit this coming weekend.

Thanks

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