The trans will be a direct fit, no adapter, but you will need the same
2WD or 4WD and you may want to measure the drive shaft to be sure
it's the same length, and if not get the one from the donor vehicle, also
check the cross member and mount to see if it is the same, or get those too.
Of coarse you know you need all the other stuff, pedals and brackets cables
and related stuff, but check again the auto may have the bracket and just
need the pedals.
I did a manual to auto swap once, but not the other way
Turbos are fun, and improve the fuel mileage, but the manifold will
be a custom unit, and the 16V engine will not share the same manifolds
as the 8Valve engines, which early Samurais and Sidekicks are
Wild