[linux-dvb] Re: Twinhan CA

[Manu Abraham <manu@kromtek.com>]

On Sun November 28 2004 5:12 pm, Manu Abraham wrote:
> On Sat November 27 2004 10:32 pm, Ralph Metzler wrote:
> > Manu Abraham writes:
> >  > The ASIC requires the info as per EN50221 CA PMT list management, plus
> >  > a couple of magic words to the MCU. Only PID's and program numbers
> >  > does not work with all CAM's. Some CAM's do work. With the CA PMT List
> >  > management everything works fine.
> >
> > Which CAMs have problems and why?
>
> ---part of conversation from manufacturer----
> If you set only pid's, some CAM's may not work properly.
> ----snip------------
>
> > Is it when there are CA decriptors at program and ES level and the CAM
> > supports both?
> >
> > Did you get CA_PMT_REPLY working?
>
> I can see the reply word, with my command i get a reply stating reply
> length=64, but not reading that though.
>
> >  > I got this verified from the manufacturer.
> >  >
> >  > > Regarding the CI API we should settle on something common.
> >  >
> >  > Waiting for how this should be figured out.
> >  >
> >  > > Currently I am exchanging complete Twinhan style commands with the
> >  > > driver via CA_GET/SEND_MSG. Since the Twinhan CI commands send the
> >  >
> >  > same goes here, wrote a small parser application based on JS's
> >  > test_sections and libmpsys.
> >  >
> >  > > standard En50221 packets minus header and length field plus their
> >  > > own header we could also just send those. The driver would just have
> >  > > to exchange the headers from standard En50221 to Twinhan and vice
> >  > > versa. Or do you want to use extra ioctls like Twinhan does in their
> >  > > API?
> >  >
> >  > I think the extra ioctl's would be useful, considering the release of
> >  > the new
> >
> > But the new cards should have the identical MCU interface?
>
> Updated ASIC and or firmware, if i'am right. Probably can hope that not
> much change in the interface. Keeping my fingers crossed.
>
> >  > CI cards. One more is due in Dec.
> >
> > The one with separate CI connector?
>
> Don't know the details though.
Model no is VP-1032

Manu
>
>
> Manu
>
> > Ralph