Drunk and Impaired Driving: Possession of Controlled Substance and DUI

My question involves criminal law for the state of: California, Santa clara county

I crashed my car into a curb and police came. Arrested me for DUI (VC 23152(A)) and possession of controlled substance (coke) (<1gram) (HS 11350) According to my paper both are misdemeanors.
These are both first offenses. I will be retaining a lawyer for my case but i was wondering what will happen?

They gave me a field sobriety test, breathalyzer (did not tell me what i blew), and also took my blood.

Drunk and Impaired Driving: Possession of Controlled Substance and DUI