[linux-dvb] Re: Typhoon CI (budget-ci)

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Thursday 27 May 2004 22:45, Kenneth Aafløy wrote:
> On Thursday 27 May 2004 23:13, Andrew de Quincey wrote:
> > On Thursday 27 May 2004 21:09, Kenneth Aafløy wrote:
> > I believe that card is supposed to have a similar idea - a cheapy CI
> > interface, but that the implementation is different.
> >
> > As to how to proceed, you'll have to investigate what the windows driver
> > is doing to communicate with the hardware on the CI interface, combined
> > with working out the CI interface circuitry.
> >
> > The TT budget-ci is basically mostly done by the DEBI bus itself, but
> > there is a custom GAL on there for handling the CAM detect and a few
> > other things.
>
> Yeah, kinda thought they would be similar enough to get working fairly
> easy.
>
> Anyways, found that the IRQ mask generated from the CAM/CI is MASK_06, not
> MASK_03 (budget_ci_irq) which a little printk in there verified; w/cam it
> prints those dots without it does not.
>
> I had to make a msp430_present flag, or the module would hang in
> tasklet_kill(msp430), presumably because the tasklet has exited.
>
> A little while later...
> It appears it's almost working :)

Aha, that would probably mean its wired the IRQ line (assuming it has one - it 
_could_ be polling mode only) to a different GPIO. I think you're getting too 
many IRQs for it to be working quite right judging by that syslog.


-- 
Info:
To unsubscribe send a mail to ecartis@linuxtv.org with "unsubscribe linux-dvb" as subject.