The autopsy for Amy Winehouse is complete and there is still no cause of death established. The singer was found dead in her London apartment over the weekend.

TMZ is reporting that police said her death was "not suspicious" and that there were no signs of foul play. Toxicology reports will take 2 to 4 weeks.

Amy's mother, Janis Winehouse, said that Amy's death was "only a matter of time." She saw her daughter the day before she died. "She seemed out of it. But her passing so suddenly still hasn’t hit me," the singer's mother said.

(Photo: Mark Shenley/CAMERA PRESS/Retna Ltd.