Saitek X52Pro joystick driver for Linux

This project adds a new driver for the Saitek/MadCatz X52 Pro flight control system. The X52 pro is a HOTAS (hand on throttle and stick) with 7 axes, 39 buttons, 1 hat and 1 thumbstick and a multi-function display which is programmable.

Currently, only Windows drivers are available from Saitek PLC, which led me to develop a new Linux driver which can program the MFD and the individual LEDs on the joystick. Although the standard usbhid driver is capable of reading the joystick, it is not sufficient to really utilize all the capabilities of this system.

This project is currently a work-in-progress. However a high level outline of the current objectives are listed below:

• Write a kernel module and export sysfs interfaces to act as a driver.
• Write a userspace program that can configure the kernel module and create custom button mappings to keyboard or mouse events.
• Add interrupt handling and export a /dev/input/jsX interface.
• Allow userspace programs to register callbacks on MFD button events.