For 2D accel you'll want to look at XAA.  for 3D accel, you'll want to
use the the DRI (http://dri.sf.net).  To start with XAA, I'd take a
look at how other drivers implement acceleration (look at the
chipname_accel.c files).  for the DRI, check out the design documents
at the DRI website and then look at the other 3D drivers.

Alex

--- Jan Damborsky <[EMAIL PROTECTED]> wrote:
> Hello,
> 
> we have our custom board with Fujitsu
> Scarlet graphic 2D/3D accelerator.
> For now, it works as ramebuffer device
> without acceleration utilized. I would like
> to ask, how to start with writing accelerated
> driver. Is XAA good start point ? Any
> suggestions ?
>                           HANYS
> 


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