RE: [DVB] Octopus driver status

["Sébastien RAILLARD (COEXSI)" <sr@coexsi.fr>]

> -----Original Message-----
> From: linux-media-owner@vger.kernel.org [mailto:linux-media-
> owner@vger.kernel.org] On Behalf Of Oliver Endriss
> Sent: vendredi 24 juin 2011 11:52
> To: Sébastien RAILLARD (COEXSI)
> Cc: Linux Media Mailing List
> Subject: Re: [DVB] Octopus driver status
> 
> Hi,
> 
> On Thursday 23 June 2011 23:31:08 Sébastien RAILLARD wrote:
> > Dear all,
> >
> > I'm looking at the Octopus DVB cards system from Digital Devices for a
> > while as their system seems to be very interesting
> >
> > Here is link with their products:
> > http://shop.digital-devices.de/epages/62357162.sf/en_GB/?ObjectPath=/S
> > hops/6
> > 2357162/Categories
> >
> > The good points I have found:
> >
> > * They support most of the common DVB standards: DVB-C, DVB-T, DVB-S
> > and
> > DVB-S2
> > * They are moderately priced
> > * There is a CAM support with a CI adapter for unscrambling channels
> > * They are using the now de-facto standard PCI-Express bus
> > * The new Octopus system is using a LATTICE PCI-Express bridge that
> > seems to be more future proof than the previous bridge Micronas
> > APB7202A
> > * They seem to be well engineered ("Designed and manufactured in
> > Germany" as they say!)
> >
> > And now the doubts :
> >
> > * The DVB-C/T frontend driver is specific to this system and is very
> > new, so as Devin said one week ago, it's maybe not yet production
> > ready
> > * The way the CAM is supported break all the existing userland DVB
> > applications (gnutv, mumudvb, vlc, etc.)
> > * There isn't so much information about the Digital Devices company
> > and their products roadmap (at least in English)
> >
> > So, my two very simple questions to the developers who worked on the
> > drivers (I think Oliver and Ralph did) and know the product:
> > * How you feel the future about the Octopus driver?
> 
> The drivers work fine. I am not aware of any problems.
> 
> All Digital Devices cards and tuner variants are supported by the driver
> http://linuxtv.org/hg/~endriss/media_build_experimental
> 
> ddbridge (Lattice bridge):
> - Octopus (all variants)
> - cineS2 v6
> - DuoFlex S2 (stv0900 + stv6110 + lnbp21)
> - DuoFlex C/T (Micronas DRXK + NXP TDA18271C2)
> 
> ngene bridge:
> - cineS2 (v4,v5), Satix S2 Dual
> - PCIe bridge, mini PCIe bridge
> - DuoFlex S2 (stv0900 + stv6110 + lnbp21)
> - DuoFlex C/T (Micronas DRXK + NXP TDA18271C2)
> 
> For a German description, see
> http://www.vdr-portal.de/board16-video-disk-recorder/board85-hdtv-dvb-
> s2/105803-aktuelle-treiber-für-octopus-ddbridge-cines2-ngene-ddbridge-
> duoflex-s2-duoflex-ct-sowie-tt-s2-6400
> 
> From an operational point of view, the driver is ready for the kernel.
> Unfortunately I did not have the time yet to clean up the coding-style.
> There are thousands of coding-style issues waiting to be fixed...
> 

Ok, thank you for the update.
We will try some Octopus cards.

> > * Do you think a compatibility mode (like module parameter) can be
> > added to simulate the way the CAM is handled in the other drivers?
> 
> Yes, this could be done:
> ++ The CI could be used with any application.
> -- The CI will be attached to one tuner exclusively.
> 
> It is not very hard to implement this.
> Patches are welcome. ;-)
> 

Maybe I'll ask for advices!!!

> CU
> Oliver
> 
> --
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