Hi Matthew, thank you for reporting this device and your investigations ! Am 28.11.2012 03:31, schrieb Matthew Gyurgyik: > Hi, > > I recently acquired a msi Digivox ATSC tuner. I believe this card has > an em28xx chip (the windows driver included is em28xx). Looking at the > em28xx wiki page and digging around in the code it does not seem like > the em28xx driver has support for this card. Based on my limit > (extremely) amount of knowledge, it doesn't look like it would be > terribly difficult to add support for this card. > > I am a complete hardware newbie (looking and willing to learn) and I > hoping someone will be willing to help me out. > > Following the bus snooping guide I was able to snoop the usb tuner > (using usbsnoop 2.0) and collect some data from this card (Windows XP, > using the ArcSoft TotalMedia software the card shipped with). > > $ php parse-usbsnoop.php UsbSnoop.log > parsed-usbsnoop.txt > http://pyther.net/a/digivox_atsc/parsed-usbsnoop.txt > > $ perl contrib_em28xx_parse_em28xx.pl parsed-usbsnoop.txt > > parse_em28xx.txt > http://pyther.net/a/digivox_atsc/parse_em28xx.txt > > $ lsusb -vvv (snippet) > http://pyther.net/a/digivox_atsc/lsusb.txt > > Note: If necessary I can provide the entire UsbSnoop.log (however its > ~350MB) > > At this point I'm not really sure how to use the above information to > add support for my tuner. For starters I have non-existent C skills. > From what I've looked at, I figure I have to add the vendor id and > product id and it looks like I need to create a struct defining the > input devices on the tuner (just astc/dvb on this card). It also looks > like I need to find out the reset codes? Your device seems to use a EM2874 bridge. Any chance to open the device and find out which demodulator it uses ? Are you able to compile a kernel on your own to test patches ? It's not that hard... ;) Regards, Frank > > Any help would be greatly appreciated. > > Model: msi Digivox ATSC > Vendor / Product Id: [0db0:8810] > URL: http://www.msi.com/product/mm/DIGIVOX-ATSC.html > > Thanks > -- > 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 -- 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
