[linux-dvb] Re: Linux HDTV

[Brian Foddy <bfoddy@visi.com>]

This gives me a good start.  Thank you.
Brian

On Thu, 27 Feb 2003, Daniel Schmelzer wrote:

> >In the mean time, I would like to do a little homework before hand,
> >so I would definately appreciate any help you can provide for
> >chipset driver parts, code, contacts more familiar with the chips,
> >and perhaps better suited mailing lists more on topic.
> >I've got some learning to do. :)
> 
> OK, well there's likely just 4 hardware parts to get the stream over the 
> bus:
> 
> (1) Tuner -- It seems likely that the FusionHDTV II will have a Philips 
> 1236D tuner.  This is an analog/digital tuner.  The only difference between 
> digital and analog operation is throwing a one bit switch.  Indeed, most 
> Philips tuners use very similar/identical code, so you need not know 
> precisely which tuner they are going to use.  I have the datasheet at home.  
> Open source code is widely available.
> 
> (2)  Demodulator -- They mention that they will use an Oren demodulator.  
> There is a datasheet available for a demodulator that is a couple of 
> generations old.  This should help you at least start to grok what is going 
> on.  Save this one to disk!
> 
> http://www.oren.com/pdf/OR51210DataSheet.pdf
> 
> (3)  ROM/RAM -- Depending on the configuration of the card, the Oren chip 
> may require loading of microcode either through a ROM or from RAM.
> 
> (4)  PCI Bridge --  Apparently, they are using the Conexant Fusion 878A. It 
> would be nice to get an update on where Peter Hettkamp's code stands.  The 
> datasheet is widely available, but most of the stuff covered is analog.
> 
> http://www.conexant.com/servlets/DownloadServlet/100600B.pdf?FileId=443
> 
> This is a good start.
> 
> Regards--
> 
> Dan
> 
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