Re: Fwd: Compro S300 - ZL10313

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2010/1/2 JD Louw <jd.louw@xxxxxxxxxx>:
> On Sat, 2010-01-02 at 09:39 +0200, Theunis Potgieter wrote:
>> 2010/1/1 JD Louw <jd.louw@xxxxxxxxxx>:
>> > On Tue, 2009-12-29 at 23:23 +0200, Theunis Potgieter wrote:
>> >> Hi mailing list,
>> >>
>> >> I have a problem with my Compro S300 pci card under Linux 2.6.32.
>> >>
>> >> I cannot tune with this card and STR/SNRA is very bad compared to my
>> >> Technisat SkyStar 2 pci card, connected to the same dish.
>> >>
>> >> I have this card and are willing to run tests, tested drivers etc to
>> >> make this work.
>> >>
>> >> I currently load the module saa7134 with options: card=169
>> >>
>> >> I enabled some debug parameters on the saa7134, not sure what else I
>> >> should enable. Please find my dmesg log attached.
>> >>
>> >> lsmod shows :
>> >>
>> >> # lsmod
>> >> Module                  Size  Used by
>> >> zl10039                 6268  2
>> >> mt312                  12048  2
>> >> saa7134_dvb            41549  11
>> >> saa7134               195664  1 saa7134_dvb
>> >> nfsd                  416819  11
>> >> videobuf_dvb            8187  1 saa7134_dvb
>> >> dvb_core              148140  1 videobuf_dvb
>> >> ir_common              40625  1 saa7134
>> >> v4l2_common            21544  1 saa7134
>> >> videodev               58341  2 saa7134,v4l2_common
>> >> v4l1_compat            24473  1 videodev
>> >> videobuf_dma_sg        17830  2 saa7134_dvb,saa7134
>> >> videobuf_core          26534  3 saa7134,videobuf_dvb,videobuf_dma_sg
>> >> tveeprom               12550  1 saa7134
>> >> thermal                20547  0
>> >> processor              54638  1
>> >>
>> >> # uname -a
>> >> Linux vbox 2.6.32-gentoo #4 Sat Dec 19 00:54:19 SAST 2009 i686 Pentium
>> >> III (Coppermine) GenuineIntel GNU/Linux
>> >>
>> >> Thanks,
>> >> Theunis
>> >
>> > Hi,
>> >
>> > It's probably the GPIO settings that are wrong for your SAA7133 based
>> > card revision. See http://osdir.com/ml/linux-media/2009-06/msg01256.html
>> > for an explanation. For quick confirmation check if you have 12V - 20V
>> > DC going to your LNB. The relevant lines of code is in
>> > ~/v4l-dvb/linux/drivers/media/video/saa7134/saa7134-cards.c:
>> >
>> > case SAA7134_BOARD_VIDEOMATE_S350:
>> > dev->has_remote = SAA7134_REMOTE_GPIO;
>> > saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   0x00008000, 0x00008000);
>> > saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x00008000, 0x00008000);
>> > break;
>> >
>> Hi thanks for the hint. I changed it to the following:
>>
>>  case SAA7134_BOARD_VIDEOMATE_S350:
>>  dev->has_remote = SAA7134_REMOTE_GPIO;
>>  saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   0x0000c000, 0x0000c000);
>>  saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x0000c000, 0x0000c000);
>>  break;
>>
>> I now get the same SNR as on my skystar2 card, signal is still
>> indicating 17% where as the skystar2 would show 68%. At least I'm
>> getting a LOCK on channels :)
>>
>> Thanks!
>>
>> >
>> > Looking at your log, at least the demodulator and tuner is responding
>> > correctly. You can see this by looking at the i2c traffic addressed to
>> > 0x1c (demodulator) and 0xc0 (tuner). Attached is a dmesg trace from my
>> > working SAA7130 based card.
>> >
>> > Regards
>> > JD
>> >
>
> Hi,
>
> Just to clarify, can you now watch channels?

Hi Jan, yes I can watch channels on Vivid bouquet, some of which are
FTA channels. Here is some channels I can get a lock and a picture on
vdr:

GodCh;GodCh:11674:vC56M2O0S0:S68.5E:26652:0:0:0:0:110:73:3:0
ASTV;ASTV:11674:vC56M2O0S0:S68.5E:26652:0:0:0:0:111:73:3:0

>
> At the moment the signal strength measurement is a bit whacked, so don't
> worry too much about it. I also get the 75%/17% figures you mentioned
> when tuning to strong signals. The figure is simply reported wrongly:
> even weaker signals should tune fine. If you want you can have a look in
> ~/v4l-dvb/linux/drivers/media/dvb/frontends/mt312.c at
> mt312_read_signal_strength().
>
> Also, if you have a multimeter handy, can you confirm that the
> 0x0000c000 GPIO fix enables LNB voltage? I'd like to issue a patch for
> this. I've already tested this on my older card with no ill effect.

I will try and do this as soon as possible.
Was there any worth while information in the ZL10313 documentation
that could assist in setting the correct parameters for my Compro
S300?

>
> Regards
> JD
>
>
>
>

Thanks for the assistance :)
Theunis
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