I will look into it, but for now try starting with this page: http://wiki.debian.org/WiFi
Hope you get it working soon!
I found this link off the last link I posted: http://wiki.debian.org/wl
. This seems to be what you need to know. It might need slightly adapted for mint. If you are not familiar with network interfaces be sure to checkout the See Also
and External Links
at the bottom of the page.