Open xpad_devices.txt inside the PS3 directory dev_hdd0/plugins/xpad/ using a text editor.
Once the plugin is installed, you may need to perform a few quick steps to get your specific controller working. ps3xpad
Enables wireless use for DualShock 4 (PS4) controllers via the internal Bluetooth or a dongle. How to Install and Configure PS3xPAD Open xpad_devices
Despite its utility, PS3XPad is not without technical constraints: ps3xpad
Supports official Xbox 360 wireless PC adapters.