Add atp(4) man page.

Submitted by:	 Rohit Grover <rgrover1@gmail.com>

2 files changed, 186 insertions, 0 deletions

diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index defdf3a..381da86 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -44,6 +44,7 @@ MAN=	aac.4 \
 	ath_hal.4 \
 	atkbd.4 \
 	atkbdc.4 \
+	${_atp.4} \
 	audit.4 \
 	auditpipe.4 \
 	aue.4 \
@@ -611,6 +612,7 @@ _acpi_wmi.4=	acpi_wmi.4
 _amdsmb.4=	amdsmb.4
 _amdtemp.4=	amdtemp.4
 _asmc.4=	asmc.4
+_atp.4=		atp.4
 _coretemp.4=	coretemp.4
 _cpuctl.4=	cpuctl.4
 _dpms.4=	dpms.4
@@ -642,6 +644,10 @@ _wpi.4=		wpi.4
 MLINKS+=lindev.4 full.4
 .endif
 
+.if ${MACHINE_ARCH} == "powerpc"
+_atp.4=		atp.4
+.endif
+
 .if exists(${.CURDIR}/man4.${MACHINE_ARCH})
 SUBDIR=	man4.${MACHINE_ARCH}
 .endif
diff --git a/share/man/man4/atp.4 b/share/man/man4/atp.4
new file mode 100644
index 0000000..6700802
--- /dev/null
+++ b/share/man/man4/atp.4
@@ -0,0 +1,180 @@
+.\" Copyright (c) 2009 Rohit Grover <rgrover1 at gmail dot com>.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the author nor the names of any co-contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"   without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd November 12, 2009
+.Dt ATP 4
+.Os
+.Sh NAME
+.Nm atp
+.Nd Apple touchpad driver
+.Sh SYNOPSIS
+To compile this driver into the kernel, place the following lines into
+your kernel configuration file:
+.Bd -ragged -offset indent
+.Cd "device atp"
+.Cd "device usb"
+.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
+atp_load="YES"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the Apple Internal Trackpad
+device found in many Apple laptops.
+.Pp
+The driver simulates a three\-button mouse using multi\-finger tap
+detection.
+.
+A single\-finger tap generates a left button click;
+two\-finger tap maps to the middle button; whereas a three\-finger tap
+gets treated as a right button click.
+.
+A double\-tap followed by a drag is treated as a selection gesture; a
+virtual left\-button click is assumed for the lifespan of the drag.
+.
+.Nm
+attempts to filter away activity at the horizontal edges of the
+trackpad\-\-this is to keep unintentional palm movement from being
+considered as user input.
+.
+.Pp
+.Nm
+supports dynamic reconfiguration using
+.Xr sysctl 8 ;
+through nodes under
+.Nm hw.usb.atp .
+Pointer sensitivity can be controlled using the sysctl tunable
+.Nm hw.usb.atp.scale_factor .
+.
+.Sh HARDWARE
+The
+.Nm
+driver provides support for the following Product IDs:
+.Pp
+.Bl -bullet -compact
+.It
+Core Duo MacBook & MacBook Pro (IDs: 0x0217, 0x0218, 0x0219)
+.It
+Core2 Duo MacBook & MacBook Pro (IDs: 0x021a, 0x021b, 0x021c)
+.It
+Core2 Duo MacBook3,1 (IDs: 0x0229, 0x022a, 0x022b)
+.It
+12 inch PowerBook and iBook (IDs: 0x030a, 0x030b)
+.It
+15 inch PowerBook (IDs: 0x020e, 0x020f, 0x0215)
+.It
+17 inch PowerBook (ID: 0x020d)
+.El
+.Pp
+To discover the product\-id of a touchpad, search for 'Trackpad' in the
+output of 
+.Xr lshal 1
+and look up the property
+.Nm usb_device.product_id .
+.Sh FILES
+.Nm
+creates a blocking pseudo\-device file,
+.Pa /dev/atp0 ,
+which presents the mouse as a
+.Ar sysmouse
+or 
+.Ar mousesystems
+type device\-\-see
+.Xr moused 8
+for an explanation of these mouse
+types.
+.Xr moused 8
+can be configured to read touchpad data from
+.Pa /dev/atp0
+and pass it along to the 
+.Xr sysmouse 4
+driver so that any process wanting to utilize mouse operation (such as
+an X server) may fetch it from
+.Pa /dev/sysmouse ;
+alternatively,
+.Pa /dev/atp0
+may be manipulated via
+.Xr read 2
+and
+.Xr ioctl 2
+calls to get mouse data directly.
+.Sh EXAMPLES
+To use a compatible Apple Trackpad as your console mouse:
+.Pp
+.Dl moused -p /dev/atp0 -t auto
+.Pp
+To launch
+.Xr moused 8
+automatically upon boot, add the following to
+.Pa /etc/rc.conf :
+.Pp
+.Dl moused_enable="YES"
+.Dl moused_type="auto"
+.Dl moused_port="/dev/atp0"
+.Pp
+If you want
+.Xr moused 8
+to also probe for external USB mice or other devices, then add the
+following to
+.Pa /etc/rc.conf :
+.Pp
+.Dl moused_nondefault_enable="YES"
+.Dl moused_ums0_enable="YES"
+.Dl moused_ums1_enable="YES"
+.Pp
+To be able to use the trackpad under X, change the "Pointer" section in
+.Nm xorg.conf
+to the following:
+.Pp
+.Dl Device "/dev/atp0"
+.Dl Protocol "Auto"
+.Pp
+Better still, if you want to be able to use the mouse in both virtual
+consoles as well as in X change it to:
+.Pp
+.Dl Device "/dev/sysmouse"
+.Dl Protocol "Auto"
+.Sh SEE ALSO
+.Xr sysmouse 4 ,
+.Xr usb 4 ,
+.Xr loader.conf 5 ,
+.Xr xorg.conf 5 Pq Pa ports/x11/xorg ,
+.Xr moused 8 ,
+.Xr sysctl 8 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Rohit Grover Aq rgrover1@gmail.com