Jenna Jameson Charged with DUI After Slamming Pole

Porn legend Jenna Jameson has officially been charged with DUI -- drugs and alcohol -- after smashing her car into a light pole last month in Orange County.

TMZ broke the story ... Jameson was arrested after the single-car accident early in the morning on May 25th. We're told she showed signs of intoxication, took a field sobriety test, and was subsequently busted on suspicion of DUI.

According to law enforcement, Jenna blew a .13 and had two prescription drugs in her system at the time of her arrest -- zolpidem (Ambien) and buprenorphine (Suboxone).

Jenna has been charged with two counts of DUI and one count of driving without a valid license.