If a generic controller isn't working or you want to use a console controller on a PC, these "wrappers" act as universal drivers: X360CE (Xbox 360 Controller Emulator):
Abstracting the Input: A Technical Analysis of Universal USB Joystick Drivers and the HID Protocol universal usb joystick driver
If you are trying to connect a real GameCube controller using a USB adapter (like the Mayflash adapter) or an N64 controller, the best "universal" driver comes from the emulation community. If a generic controller isn't working or you
And in that assumption, it brought more than drivers—it brought connection, creativity, and the quiet joy of keeping old hardware flying. universal usb joystick driver