Is the TV your source? If so, then you are using a "SmartTV" that supports stuff like streaming. Most streaming uses Dolby Digital Plus or Dolby Digital. It's possible you could connect the toslink digital output of your TV directly to your Primare P30.
Are you using a different source? This question about Dolby Atmos may not apply.
Are you using a different source? This question about Dolby Atmos may not apply.