My iPod screen is white and can't see anything and idk what to do please help

So I cracked my iPod screen a week ago and today I accidentally dropped it and first my whole right side of my screen would work to the point I couldn't type my passcode in and then it fell out of my pocket and the screen went white and I don't know what to do and I'm freaking out cuz I can't back the iPod up and I have things on my iPod I can't lose... Please help