.\"-
.\" Copyright (c) 2009 Nathan Whitehorn <nwhitehorn@FreeBSD.org>
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.\" $FreeBSD$
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.Dd December 3, 2009
.Dt AKBD 4
.Os
.Sh NAME
.Nm akbd
.Nd ADB Keyboard Driver
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device adb"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for all keyboards attached to the Apple Desktop
Bus (ADB).
.Sh HARDWARE
Devices supported by the
.Nm
driver include:
.Pp
.Bl -bullet -compact
.It
Apple Extended Keyboard
.It
Apple Keyboard II
.It
Apple iBook Keyboard
.It
Apple PowerBook Keyboard
.El
.Sh EVENTS
The
.Nm
driver sends events to
.Xr devd 8
for the following events under the
.Cd PMU
system:
.Pp
.Bl -bullet -compact
.It
Power button -
.Cd "Button"
subsystem,
.Cd "pressed"
type.
.El
.Sh SYSCTL VARIABLES
The
.Nm
driver supports the following sysctl variable for configuring the Fn keys:
.Bl -tag -width indent
.It Va dev.akbd.%d.fn_keys_function_as_primary
Set the Fn keys to be their F-key type as default.  A value of 0 causes the
F-keys keys to work as special keys by default (
.Xr abtn 4 )
and a value of 1 sets them to behave as F-keys by default.
.El
.Sh SEE ALSO
.Xr abtn 4 ,
.Xr adb 4 ,
.Xr cuda 4 ,
.Xr pmu 4
.Sh HISTORY
The
.Nm
device driver appeared in
.Fx 8.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Nathan Whitehorn
.Aq nwhitehorn@FreeBSD.org .