[linux-dvb] [PATCH] HD5000 Support

Alan Fry afry at cafsystems.com
Mon Sep 26 22:50:35 CEST 2005


Taylor Jacob wrote:

>I have been very busy with work today, and would have posted this earlier..
>Sorry.
>
>Here is the "cleaned up" patch for adding support for the Air2PC/Airstar2 HD5000
>(LGDT3303 Frontend).
>
>http://www.digitalregime.com/patches/hd5000-cleanup.patch
>
>Changes to note from the last one I submitted are:
>
>- I have tried to impliment the SNR for the LGDT3303 since it appears to be the
>same formula for the 3302 and 3303..
>
>- I have also tried to impliment the signal level based on information I was
>provided by BBTI.. I am not sure if this is correct for the 3302, and it is a
>unitless measure since I have no idea how it was calcualted..  I would need to
>spend some time digging it spec sheets for both and see if I can come up with
>something, but I only have the 3303 right now..
>
>- The serial_mpeg value needed to be set to 0x04 for the demux to return data..
>I am not sure as to why but the suggested value of 0x40 didn't return any data
>from teh demux. (Could this have something to do with the wiring of the
>frontend to the demux?)
>
>- The frontend reset delay added to flexcop.c was reduced from 100 or 200ms to a
>reasonable 1ms which gives adequate time for the 3303 to reset..
>
>Also to note:
>
>I have also put together a few liner patch to make the older version of the
>DVICO FusionHDTV Gold3 work.. I have one that has a LGDT3302 and has a card id
>of 18ac:d800 instead of 18ac:d820 (CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T), but
>appears to be the same.. I will validate this and post this seperately..
>
>Taylor
>
>
>
>
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>
>  
>




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