freebsd-skq/share/man/man4/acpi_wmi.4
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.\" Copyright (c) 2009 Michael Gmelin
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.Dd November 22, 2011
.Dt ACPI_WMI 4
.Os
.Sh NAME
.Nm acpi_wmi
.Nd "ACPI to WMI mapping driver"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following line in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device acpi_wmi"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
acpi_wmi_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides an interface for vendor specific WMI implementations
(e.g. HP and Acer laptops).
It creates /dev/wmistat%d, which can be read to get
information about GUIDs found in the system.
.Sh FILES
.Bl -tag -width /dev/wmistat%d -compact
.It Pa /dev/wmistat%d
WMI status device.
.El
.Sh EXAMPLES
.Bd -literal
# cat /dev/wmistat0
GUID INST EXPE METH STR EVENT OID
{5FB7F034-2C63-45E9-BE91-3D44E2C707E4} 1 NO WMAA NO NO AA
{95F24279-4D7B-4334-9387-ACCDC67EF61C} 1 NO NO NO 0x80+ -
{2B814318-4BE8-4707-9D84-A190A859B5D0} 1 NO NO NO 0xA0 -
{05901221-D566-11D1-B2F0-00A0C9062910} 1 NO NO NO NO AB
{1F4C91EB-DC5C-460B-951D-C7CB9B4B8D5E} 1 NO WMBA NO NO BA
{2D114B49-2DFB-4130-B8FE-4A3C09E75133} 57 NO NO NO NO BC
{988D08E3-68F4-4C35-AF3E-6A1B8106F83C} 20 NO NO NO NO BD
{14EA9746-CE1F-4098-A0E0-7045CB4DA745} 1 NO NO NO NO BE
{322F2028-0F84-4901-988E-015176049E2D} 2 NO NO NO NO BF
{8232DE3D-663D-4327-A8F4-E293ADB9BF05} 0 NO NO NO NO BG
{8F1F6436-9F42-42C8-BADC-0E9424F20C9A} 0 NO NO NO NO BH
{8F1F6435-9F42-42C8-BADC-0E9424F20C9A} 0 NO NO NO NO BI
.Ed
.Sh SEE ALSO
.Xr acpi 4 ,
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 8.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Michael Gmelin Aq freebsd@grem.de
.Pp
Work has been inspired by the Linux acpi-wmi driver written by Carlos Corbacho
.Pp
See http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx for
the specification of ACPI-WMI.
.Pp
This manual page was written by
.An Michael Gmelin Aq freebsd@grem.de