Hi Thomas, Il 09/04/2012 14:02, Thomas Mair ha scritto: > Hi Gainluca, > > thanks for your information. I did get in touch with Realtek and they > provided me with the datasheet for the RTL2832U. So what I will try to > do is write a demodulator driver for the RTL2832 demod chip following > the information of the datasheet and the Realtek driver. I will follow > Antti's RTL2830 driver structure. that's very good news. > For now there is only one question left regarding the testing of the > drivers. What is the best way to test and debug the drivers. Sould I > compile the 3.4 kernel and use it, or is it safer to set up a > structure like the one I already have to test the driver with a stable > kernel? I think the best option is to clone the DVB development tree: http://git.linuxtv.org/media_tree.git then you can create your branch and base your work on top of it. Best regards, Gianluca > Greetings > Thomas > > 2012/4/7 Gianluca Gennari <gennarone@xxxxxxxxx>: >> Il 06/04/2012 11:11, Thomas Mair ha scritto: >>> Hello everyone, >>> >>> i own a TerraTec Cinergy T Stick Black device, and was able to find a >>> working driver for the device. It seems to be, that the driver was >>> originally written by Realtek and has since been updated by different >>> Developers to meet DVB API changes. I was wondering what would be the >>> necessary steps to include the driver into the kernel sources? >>> >>> The one thing that needs to be solved before even thinking about the >>> integration, is the licencing of the code. I did find it on two >>> different locations, but without any licencing information. So >>> probably Realtek should be contacted. I am willing to deal with that, >>> but need furter information on under whitch lisence the code has to be >>> relased. >>> >>> So far, I put up a Github repository for the driver, which enables me >>> to compile the proper kernel modue at >>> https://github.com/tmair/DVB-Realtek-RTL2832U-2.2.2-10tuner-mod_kernel-3.0.0 >>> The modificatioins to the driver where taken from openpli >>> http://openpli.git.sourceforge.net/git/gitweb.cgi?p=openpli/openembedded;a=blob;f=recipes/linux/linux-etxx00/dvb-usb-rtl2832.patch;h=063114c8ce4a2dbcf8c8dde1b4ab4f8e329a2afa;hb=HEAD >>> >>> In the driver sources I stumbled accross many different devices >>> containig the RTL28XX chipset, so I suppose the driver would enably >>> quite many products to work. >>> >>> As I am relatively new to the developement of dvb drivers I appreciate >>> any help in stabilizing the driver and proper integration into the dvb >>> API. >>> >> >> Hi Thomas, >> the Realtek driver you mention is the full version, which supports 3 >> demodulators (2832=DVB-T, 2836=DTMB, 2840=DVB-C) and 10 different tuners. >> There is also a simplified version of the driver which supports only >> DVB-T and 4 tuners: this is probably a better starting base for your >> project. >> >> You can find the simplified driver here: >> >> https://github.com/ambrosa/DVB-Realtek-RTL2832U-2.2.2-4_tuner >> >> My friend Ambrosa got it directly from Realtek. You can mail the 2 >> driver authors directly: >> >> author: � � � � Dean Chung <DeanChung@xxxxxxxxxxx> >> author: � � � � Chialing Lu <chialing@xxxxxxxxxxx> >> >> as they have been quite collaborative last year. I think they can also >> provide you some information about the code license. >> >> The rtl2832 devices I've seen so far use either the Fitipower fc0012 or >> the Elonics E4000 tuner. For the first one there is a driver from >> Hans-Frieder Vogt that is not yet included in the development tree, but >> it has been posted recently on this list. >> >> If your stick uses this tuner, then the problem reduces to write the >> demodulator driver (as Antti already explained). >> >> Best regards, >> Gianluca >> > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
