How to disable touchpad in FreeBSD 10.3

[Kevin Oberman]

On Thu, Sep 22, 2016 at 11:18 AM, doug <doug at safeport.us> wrote:

> In FreeBSD 10.1 the touchpad on my laptop could be disabled by:
>
>    moused_enable="YES"
>    moused_port="/dev/ums0"
>
> resulting in starting moused with:
>
>    /usr/sbin/moused -p /dev/ums0 -t auto -I /var/run/moused.ums0.pid
>
> With Xorg 7.7_2 and FreeBSD 10.1 this worked. E.g., /dev/psm0 was not
> available to Xorg. With FreeBSD 10.3 and Xorg 7.7_2 as you can see from the
> marked lines [**] in 10.3 this starts /dev/psm0 also.
>
> I would like to disable psm0 without compiling a custom kernal. Options
> would seem to be a custom driver or input section in
> /usr/local/etc/X11/xorg.conf.d but the man files show no options to do
> this. sysctl for dev.psm.0 does not have any options I can see would do
> this available values:
>
>    hw.psm.tap_timeout: 125000
>    hw.psm.tap_threshold: 25
>    hw.psm.tap_enabled: 0
>    dev.psm.0.%parent: atkbdc0
>    dev.psm.0.%pnpinfo:
>    dev.psm.0.%location:
>    dev.psm.0.%driver: psm
>    dev.psm.0.%desc: PS/2 Mouse
>    dev.psm.%parent:
>    dev.psmcpnp.0.%parent: acpi0
>    dev.psmcpnp.0.%pnpinfo: _HID=SYN1E4B _UID=0
>    dev.psmcpnp.0.%location: handle=\_SB_.PCI0.LPC0.PS2M
>    dev.psmcpnp.0.%driver: psmcpnp
>    dev.psmcpnp.0.%desc: PS/2 mouse port
>    dev.psmcpnp.%parent:
>
> man xinput has an operand that would seem to do it:
>
>    xinput --disable device
>      device can be the device name as a string or the XID of the device.
>
> What do I use for the device. On my system xinput shows:
>
>     Virtual core pointer                     id=2    [master pointer  (3)]
>     Virtual core XTEST pointer               id=4    [slave  pointer  (2)]
>         sysmouse                             id=7    [slave  pointer  (2)]
>         Mouse                                id=8    [slave  pointer  (2)]
>     Virtual core keyboard                    id=3    [master keyboard (2)]
>      Virtual core XTEST keyboard             id=5    [slave  keyboard (3)]
>      kbdmux                                  id=6    [slave  keyboard (3)]
>
> I think I want id=8  [slave  pointer  (2)], but how to specify that?
>
> Xorg.0.log
> --------------------------------------------
>    [517.130] (II) LoadModule: "mouse"
>    [517.131] (II) Loading /usr/local/lib/xorg/modules/input/mouse_drv.so
>    [517.132] (II) Module mouse: vendor="X.Org Foundation"
>    [517.132]    compiled for 1.17.4, module version = 1.9.1
>    [517.132]    Module class: X.Org XInput Driver
>    [517.132]    ABI class: X.Org XInput driver, version 21.0
>    [517.132] (II) Using input driver 'mouse' for 'sysmouse'
>    [517.132] (**) sysmouse: always reports core events
>    [517.132] (**) Option "Device" "/dev/sysmouse"
>    [517.132] (==) sysmouse: Protocol: "Auto"
>    [517.133] (**) sysmouse: always reports core events
>    [517.133] (==) sysmouse: Emulate3Buttons, Emulate3Timeout: 50
>    [517.133] (**) sysmouse: ZAxisMapping: buttons 4 and 5
>    [517.133] (**) sysmouse: Buttons: 5
>    [517.133] (**) Option "config_info" "devd:sysmouse"
>    [517.133] (II) XINPUT: Adding extended input device "sysmouse" (type:
> MOUSE, id 7)
>    [517.134] (**) sysmouse: (accel) keeping acceleration scheme 1
>    [517.134] (**) sysmouse: (accel) acceleration profile 0
>    [517.134] (**) sysmouse: (accel) acceleration factor: 2.000
>    [517.134] (**) sysmouse: (accel) acceleration threshold: 4
>    [517.134] (II) sysmouse: SetupAuto: hw.iftype is 4, hw.model is 0
>    [517.134] (II) sysmouse: SetupAuto: protocol is SysMouse
>    [517.134] (II) config/devd: device /dev/ums0 already opened
>    [517.197] (II) config/devd: adding input device Mouse (/dev/psm0)
>    [517.197] (II) Using input driver 'mouse' for 'Mouse'
>    [517.197] (**) Mouse: always reports core events
> ** [517.197] (**) Option "Device" "/dev/psm0"
>    [517.198] (==) Mouse: Protocol: "Auto"
>    [517.198] (**) Mouse: always reports core events
>    [517.258] (==) Mouse: Emulate3Buttons, Emulate3Timeout: 50
>    [517.258] (**) Mouse: ZAxisMapping: buttons 4 and 5
>    [517.258] (**) Mouse: Buttons: 5
> ** [517.258] (**) Option "config_info" "devd:psm0"
>    [517.258] (II) XINPUT: Adding extended input device "Mouse" (type:
> MOUSE, id 8)
>    [517.259] (**) Mouse: (accel) keeping acceleration scheme 1
>    [517.259] (**) Mouse: (accel) acceleration profile 0
>    [517.259] (**) Mouse: (accel) acceleration factor: 2.000
>    [517.259] (**) Mouse: (accel) acceleration threshold: 4
>    [517.279] (II) Mouse: SetupAuto: hw.iftype is 3, hw.model is 0
> ** [517.279] (II) Mouse: SetupAuto: protocol is PS/2
>    [517.722] (II) Mouse: ps2EnableDataReporting: succeeded
>
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Assuming that it's using the Synaptics driver, "sysctl
hw.psm.synaptics.touchpad_off=1"

You might also check out /etc/devd.conf as it now handles most device
discovery for X.
--
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman at gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683