macOS and Linux support is limited. Official drivers are Windows-centric. Linux users may use open-source usbhid quirks, but advanced macro features will not work.
Developers use it to send U-Boot commands or dump memory contents directly from the hardware for debugging. Installation Guide worldcup device driver
For a video capture device, this was incredibly difficult. It wasn't just about turning the card on; it involved setting precise frequencies for TV tuners, managing audio processing chips, and handling the encoding of raw video streams. The "Worldcup" driver development required developers to write "bridge" code that could translate standard Linux API calls (like Video4Linux) into the undocumented instructions required by the Conexant chips. macOS and Linux support is limited
