No. There is a /dev which gives you error-corrected RDS packets, but processing them (and extracting radiotext, etc) is up to you. It's not hard, though, but you'll need the RDS spec really.

The tuner/RDS decoder is always active, but you can't record from the tuner. Switching to the radio when traffic announcements are broadcast is on the to-do list for the player software, as are other RDS features.

Hugo