[linux-dvb] Re: Using NOVA-t in the UK

[Ralph Metzler <rjkm@convergence.de>]

Hi,

Aurelian Pop writes:
 > I have a problem. As you said there, I took the latest driver and I patched
 > it for
 > WinTV NOVA-T in order for the driver to correctly recognize it. I have 3
 > WinTV
 > NOVA DVB-S and one WinTV NOVA-T (all for of the are Haupaugue). My
 > problem is that the driver correctly identifies the 3 DVB-S cards, but it
 > doesn't
 > the DVB-T one.
 > 
 > I added a little debug output in dvb.c to see the problem and I noticed that
 > the
 > vendor id is not the same. The output of lspci shows:
 > 
 > ...
 > 00:09.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
 > 00:0a.0 Multimedia video controller: Brooktree Corporation Bt878 (rev 02)
 > 00:0a.1 Multimedia controller: Brooktree Corporation Bt878 (rev 02)
 > 00:0d.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
 > 00:0e.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
 > ...
 > 
 > Those 3 Philips are the 3 DVB-S cards, and those 2 Booktree devices are from
 > the DVB-T card.
 > 
 > As I saw in dvb.c the driver only checks for "subvendor = = 0x13c2" which
 > happens
 > to be the Phillips cards.

No, that's the subvendor ID of Technotrend.
dvb.c in any case only supports cards with a Philips SAA7146 as PCI bridge. 
 

 > My question is: should I use another card or I don't have the corect driver.
 > The driver
 > I have is the one from September 17.


Sorry, if they really use the Bt878 as PCI bridge now our driver does
not support this. Gerd Knorr wrote some extensions to my old Bt848/878
driver (bttv) to support the audio sub-device (btaudio). Since they 
probably use the audio DMA channel for the transport stream this 
might be a good starting point.
But they also might be using the GPIO port DMA. Without information
from Hauppauge this will be quite some work to figure out and 
Hauppauge is not known (at least from my experiences) to release 
much information for Linux support. 


Ralph





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