[linux-dvb] Re: Proposal for new frontend architecture

[Holger Waechtler <holger@qanu.de>]

Andrew de Quincey wrote:

> On Thursday 23 Sep 2004 12:55, Holger Waechtler wrote:
>  
> > Michael Hunold wrote:
> >    
> > > On 22.09.2004 13:32, Gerd Knorr wrote:
> > >      
> > > > Problem #1: Register the frontend with the correct dvb adapter.  The
> > > > i2c frontend driver is separate from the dvb adapter driver, which is
> > > > basically a good thing to reuse the fe code for different adapters.
> > > >        
> > > I think we have to find a consensus on what a "frontend" actually is.
> > > From the discussion I learned that there is no such thing as a i2c
> > > frontend device. The frontend is the combination of chipsets inside
> > > the tin box.
> > >      
> > The frontend is the fuzzy thing that makes electromagnetic signals in
> > the air a MPEG2 transport stream. Even a network interface reading a DVB
> > UDP stream from the net is a frontend.
> >
> > Usually only RF sensitive components are located inside the tin box, the
> > demodulator and the LNB supply circuitry is often placed side-by-side.
> >    
> yeah - we really only want shared demodulator drivers. So we should rename 
> things like grundig_29504-401.c to l64781.c since that is the actual 
> demodulator.
>  
yes.

Holger