for any driver for an operating system for any device you need the specific driver designed for it, written for your OS.
id guarantee there is no tool to convert a windows driver to a linux one. check with the manufacturers site or the linux HCL for your device and whether its compatible, or whether it has a linux driver.
CoD.. BF2..? no clue. check the websites? is there a linux version? if so, download it and it will include instructions on what to do to set it up