Any information about tuning (AE/AWB/AF)ISP of TX2

Dear All:
I would like play on ISP(of TX2) about AE/AWB/AF, but can not find any related information.
Does anyone know any entry point or hint to do these tweaking? Any ideas or hints are appreciated.

Please advise.

Thank you.

What kind of information do you want to know.
For base 3A you can check the Argus::IAutoControlSettings Class Reference from the l4t document.