--- On Thu, 10/9/08, Michael Krufky <mkrufky@xxxxxxxxxxx> wrote: > From: Michael Krufky <mkrufky@xxxxxxxxxxx> > Subject: Re: siano sms1xxx driver not T-DMB ready? > To: "Andrea Venturi" <a.venturi@xxxxxxxxxx> > Cc: linux-dvb@xxxxxxxxxxx > Date: Thursday, October 9, 2008, 4:36 PM > Andrea Venturi wrote: > > here in Italy (bologna) we have a T-DMB trial from Rai > and other > > broadcasters. > > > > i got one Terratec Cinergy Piranha based on a Siano > SMS1xxx chip and > > indeed the T-DMB stream works on the "other > OS".. (and the DVB-T works > > too) > > > > this T-DMB stuff is still based on Transport Stream: > > > > > http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcast > > > > as i'd like to dump a full TS of the stream, i was > thinking that it was > > just setting the proper mode (2) in the sms1xxx > module, i would have > > been able to use the same "dvb-tools" like > dvbstream to tune the right > > frequency and dump the whole TS. > > > > too easy, it seems! there were my steps: > > > > 1. i put the firmware file for T-DMB demodulation with > the right name > > "tdmb_stellar_usb.inp" in /lib/firmware > > > > 2. i loaded the module with the supposed right default > mode: modprobe > > sms1xxx default_mode=2 > > > > 3. i put my stick on the linux, but the module > didn't got up with this > > error: > > > > "SMS Device mode is not set for DVB > operation." > > > > I'm halted. > > > > The showstopper come from this smsdvb.c where > there's this control: > > > > ==================== > > if (smscore_get_devicke_mode(coredev) != 4) { > > #if 1 /* new siano drop (1.2.17) does this -- yuck */ > > sms_err("SMS Device mode is not > set for " > > "DVB operation."); > > return 0; > > #else > > ==================== > > > > of course, this seems only a safety check. > > > > let's hope it's not just a > "marketing" showstopper (i'm going anyway to > > try to relax this control, i bet i'm not going to > burn anything inside > > the device!) > > > > probably there's more to be implemented to driver > correctly the Siano > > chip when not in DVB mode. but how much? ask here > could be useful.. > > > > it should be easy to "implement" the T-DMB > stuff inside the same DVB > > scenario! > > it's already a system based on transport stream. > right? > > > > sadly there are no open specs about it on the siano > web site, just this > > brief: > > > > > http://www.*siano-ms*.com/*pdf*s/00_Siano_SMS*1010*.*pd*f > > > > does anyone know a solution about this issue? > > > > is it so though to implement T-DMB decoding inside the > DVB architecture? > > > > are the specs available somewhere? > > > I am working with Siano to expose all functionality of the > silicon through the linux-dvb api. > > We didn't get up to T-DMB yet. Give a few months and > there should be better info to report. > > Regards, > > Mike > > _______________________________________________ > linux-dvb mailing list > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb Hi Andrea, Sorry for the delay to answer you, I had a month long, wonderful, great, splendid vacation @ Vietnam. Some notes about the Terratec you try to run - 1) It contains Siano's SMS10xx chipset. 2) Till now, FIB parsing and device control are done in a user space library. 3) The control and the data paths run via character devices that bypass the DVB sub-system (for DAB-family standards), the main obstacle to move them via the DVB is, that the user-space library performs lots of logical work that does not currently exist in DVB/S2API/etc. Q: Do you have a FIB parser? Regards, Uri Shkolnik Software Architect Siano Mobile Silicon _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
