wsp(4) Wellspring touchpad driver


To compile this driver into the kernel, place the following lines into your kernel configuration file:
device wsp device usb

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:



The driver provides support for the Apple Internal Trackpad device found in many Apple laptops.

The driver simulates a three-button mouse using multi-finger tap detection. A single-finger press generates a left button click. A two-finger tap maps to the right button; whereas a three-finger tap gets treated as a middle button click.

supports dynamic reconfiguration using sysctl(8) through nodes under hw.usb.wsp Pointer sensitivity can be controlled using the sysctl tunable hw.usb.wsp.scale_factor


creates a blocking pseudo-device file, /dev/wsp0 which presents the mouse as a sysmouse or mousesystems type device--see moused(8) for an explanation of these mouse types.


An -nosplit The driver was written by An Huang Wen Hui Aq [email protected]