[linux-dvb] TerraTec Cinergy C DVB-C / Twinhan AD-CP400 (VP-2040) & mantis driver

Marko Ristola marko.ristola at kolumbus.fi
Mon Aug 4 22:29:24 CEST 2008

Mika Båtsman kirjoitti:
> Hi,
> I also tried your patch because I've had freezes since I got these 
> cards. Unfortunately it didn't help me. Got a whooping 5min uptime 
> before it all went wrong again. I have 2x Cinergy C + 2.6.24-19 + vdr 
> 1.6.
Do you have a heat problem? Have you checked your motherboard sensors?
Have you checked that your memory is okay? Air flows easilly?
> I did:
> hg clone http://jusst.de/hg/mantis
> replaced mantis_dma.c with the one you attached, renamed 
> make && make install && reboot
> Am I missing something? It seemed to compile and install fine.
> You said that the mantis_dma.c in jusst.de mantis head is not the 
> latest version. Where can it be found then?
I have my own driver version which I have given for Finnish people for 
easy installation with remote control support for Twinhan 2033.
(Personally I'm not pleased with the card: now after some years of 
development the card works well enough for me finally).

So the most important feature of my driver for Finnish people has been 
the easy compile and install and that the driver ("release") is tested 
for Twinhan 2033.
Secondly I have given for some Finnish people the Twinhan 2033 remote 
control support included.
Maybe somebody from Finland would be interested with the DMA transfer 
fixes, if they have unsolved quality problems. That's a fact that those 
tweaks helped me although the root cause is a bit uncertain. Other 
features of my driver version like suspend/resume aren't very important.

Marko Ristola

> Regards,
> Mika Båtsman
> Marko Ristola wrote:
>> Hi,
>> Unfortunately I have been busy.
>> The patch you tried was against jusst.de Mantis Mercurial branch head.
>> Your version of mantis_dma.c is not the latest version and thus the 
>> patch didn't
>> apply cleanly.
>> Here is the version that I use currently. It doesn't compile straight 
>> against jusst.de/mantis head.
>> It might work for you because MANTIS_GPIF_RDWRN is not renamed as 
>> If it doesn't compile please rename MANTIS_GPIF_RDWRN occurrences 
>> into MANTIS_GPIF_HIFRDWRN on that file.
>> Otherwise the file should work as it is.
>> Best regards,
>> Marko Ristola
>> Leif Oberste-Berghaus kirjoitti:
>>> Hi Marko,
>>> I tried to patch the driver but I'm getting an error message:
>>> root at mediapc:/usr/local/src/test/mantis-0b04be0c088a# patch -p1 < 
>>> mantis_dma.c.aligned_dma_trs.patch
>>> patching file linux/drivers/media/dvb/mantis/mantis_dma.c
>>> patch: **** malformed patch at line 22: int mantis_dma_exit(struct 
>>> mantis_pci *mantis)
>>> Any ideas?
>>> Regards
>>> Leif
>>> Am 14.07.2008 um 22:05 schrieb Marko Ristola:
>>>> Hi Leif,
>>>> Here is a patch that implements the mentioned DMA transfer 
>>>> improvements.
>>>> I hope that these contain also the needed fix for you.
>>>> You can apply it into jusst.de/mantis Mercurial branch.
>>>> It modifies linux/drivers/media/dvb/mantis/mantis_dma.c only.
>>>> I have compiled the patch against
>>>> cd mantis
>>>> patch -p1 < mantis_dma.c.aligned_dma_trs.patch
>>>> Please tell us whether my patch helps you or not: if it helps, some 
>>>> of my patch might get into jusst.de as
>>>> a fix for your problem.
>>>> Best Regards,
>>>> Marko
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