[linux-dvb] Feature Request: CAM kernel module

Jean-Claude Repetto jean-claude.repetto at libertysurf.fr
Thu Nov 2 08:27:11 CET 2006


Rene Bartsch a écrit :
> Hi,
> 
> usually Conditional Access Modules are put into a CI-interface.
> 
> But this means additional costs for the CI-interface and the CAM is
> limited to one DVB card and online descrambling.
> 
> But luckily, a CAM is nothing else than a PCMCIA card with a standardized
> logical interface to communicate with receivers. Putting that card in a
> PCMCIA slot one's DVR software would be able to use the CAM independent
> from the DVB cards.
> 
> That way one could use a CAM with ANY cheap DVB card and even record a
> stream scrambled when the CAM is in use and descramble the recording
> offline when the CAM is available again.
> 
> But the missing part is a kernel module for CAMs. This would be quite a
> simple module. It would just have to register a character device
> "/dev/cam/X" with major M and minor X and provide read/write functions.
> 
> Could any of the DVB developers add such a module to the DVB tree?
> 
> Renne
> 
> 

This has been already discussed here before :
<http://www.mail-archive.com/linux-dvb@linuxtv.org/msg05523.html>

It doesn't seem so easy, because the PCMCIA interface is not used in a 
standard way.

Jean-Claude




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