Sun Sep 21 11:12:36 2008 UTC ()
Mention two relevant sysctls. Info provided by joerg.


(wiz)
diff -r1.28 -r1.29 src/share/man/man4/acpi.4
cvs diff -r1.28 -r1.29 src/share/man/man4/acpi.4 (expand / switch to unified diff)

--- src/share/man/man4/acpi.4 2008/04/30 13:10:53 1.28
+++ src/share/man/man4/acpi.4 2008/09/21 11:12:36 1.29
@@ -1,40 +1,40 @@ @@ -1,40 +1,40 @@
1.\" $NetBSD: acpi.4,v 1.28 2008/04/30 13:10:53 martin Exp $ 1.\" $NetBSD: acpi.4,v 1.29 2008/09/21 11:12:36 wiz Exp $
2.\" 2.\"
3.\" Copyright (c) 2002, 2004 The NetBSD Foundation, Inc. 3.\" Copyright (c) 2002, 2004 The NetBSD Foundation, Inc.
4.\" All rights reserved. 4.\" All rights reserved.
5.\" 5.\"
6.\" Redistribution and use in source and binary forms, with or without 6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions 7.\" modification, are permitted provided that the following conditions
8.\" are met: 8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright 9.\" 1. Redistributions of source code must retain the above copyright
10.\" notice, this list of conditions and the following disclaimer. 10.\" notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\" notice, this list of conditions and the following disclaimer in the 12.\" notice, this list of conditions and the following disclaimer in the
13.\" documentation and/or other materials provided with the distribution. 13.\" documentation and/or other materials provided with the distribution.
14.\" 14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25.\" POSSIBILITY OF SUCH DAMAGE. 25.\" POSSIBILITY OF SUCH DAMAGE.
26.\" 26.\"
27.Dd May 8, 2007 27.Dd September 21, 2008
28.Dt ACPI 4 28.Dt ACPI 4
29.Os 29.Os
30.Sh NAME 30.Sh NAME
31.Nm acpi 31.Nm acpi
32.Nd Advanced Configuration and Power Interface 32.Nd Advanced Configuration and Power Interface
33.Sh SYNOPSIS 33.Sh SYNOPSIS
34.Cd "acpi0 at mainbus0" 34.Cd "acpi0 at mainbus0"
35.Cd "acpiacad* at acpi?" 35.Cd "acpiacad* at acpi?"
36.Cd "acpibat* at acpi?" 36.Cd "acpibat* at acpi?"
37.Cd "acpibut* at acpi?" 37.Cd "acpibut* at acpi?"
38.Cd "acpiec* at acpi?" 38.Cd "acpiec* at acpi?"
39.Cd "acpilid* at acpi?" 39.Cd "acpilid* at acpi?"
40.Cd "acpitz* at acpi?" 40.Cd "acpitz* at acpi?"
@@ -93,26 +93,56 @@ ACPI-CA. @@ -93,26 +93,56 @@ ACPI-CA.
93Do not enable this option unless you are debugging. 93Do not enable this option unless you are debugging.
94.It Dv ACPI_DSDT_OVERRIDE 94.It Dv ACPI_DSDT_OVERRIDE
95Force a given DSDT instead of the BIOS-supplied version. 95Force a given DSDT instead of the BIOS-supplied version.
96Use 96Use
97.Dv ACPI_DSDT_FILE 97.Dv ACPI_DSDT_FILE
98to specify a DSDT. 98to specify a DSDT.
99.It Dv ACPI_DSDT_FILE="filename" 99.It Dv ACPI_DSDT_FILE="filename"
100If 100If
101.Dv ACPI_DSDT_FILE 101.Dv ACPI_DSDT_FILE
102is not specified, default to 102is not specified, default to
103.Dq dsdt.hex 103.Dq dsdt.hex
104in the build directory. 104in the build directory.
105.El 105.El
 106.Ss sysctl support
 107Two
 108.Xr sysctl 8
 109settings are especially relevant for
 110.Nm :
 111.Li hw.acpi_supported_states
 112and
 113.Li machdep.acpi_vbios_reset .
 114.Li hw.acpi_supported_states
 115is a list of the supported states (see
 116.Xr sysctl 7 ) .
 117.Li machdep.acpi_vbios_reset
 118defines the handling of the graphics card.
 119The supported values for this are:
 120.Bl -tag -width 2
 121.It 0
 122No attempt to reset the VGA controller is done.
 123.It 1
 124Call the VGA BIOS when still in real mode.
 125This can result in direct reboots.
 126In that case, use
 127.Sq 2
 128or
 129.Ic vbetool post
 130from the
 131.Pa pkgsrc/sysutils/vbetool
 132package.
 133.It 2
 134Call the VGA BIOS using the in-kernel x86 emulator.
 135.El
106.Sh SUPPORTED DEVICES 136.Sh SUPPORTED DEVICES
107.Nx 137.Nx
108.Tn ACPI 138.Tn ACPI
109supports several machine-dependent and machine-independent devices: 139supports several machine-dependent and machine-independent devices:
110.Ss machine-independent devices 140.Ss machine-independent devices
111.Bl -tag -width pcdisplay -offset indent 141.Bl -tag -width pcdisplay -offset indent
112.It acpiacad 142.It acpiacad
113.Tn ACPI 143.Tn ACPI
114AC adapters. 144AC adapters.
115.It acpibat 145.It acpibat
116.Tn ACPI 146.Tn ACPI
117Control Method Batteries. 147Control Method Batteries.
118.It acpibut 148.It acpibut