[linux-dvb] XC5000/XC3028 tuner dvb support?
mrechberger at gmail.com
Wed Oct 24 08:33:01 CEST 2007
On 10/24/07, CityK <CityK at rogers.com> wrote:
> Steven Toth wrote:
> > Chaogui Zhang wrote:
> >> Hi, everyone,
> >> I bought a Pinnacle PCTV HD 800i card recently and I am trying to add
> >> support for the card. It has the following chips on board:
> >> 1. CX23883 (supported already)
> >> 2. Samsung S5H1409 (supported already)
> >> 3. Cirrus 5340 ADC (not seen on the I2C bus)
> >> 4. ATMEL eeprom (forgot the part no., but probably not needed anyway)
> >> 5. Xceive XC5000 or XC3028 tuner. (Not visible, mentioned in the windows
> >> driver inf file.)
> > Great! Take some decent PCB and silicon pictures and make them available
> > via a website so we can all see the board. :)
> "A" website?? See, the correct answer should be the "LinuxTV wiki" ....
> but it doesn't matter, as this has already been done:
> And speaking of things that have already been done, there already was a
> discussion on this card just a FEW DAYS AGO. See:
"since Marcus has taken his toys and gone home so to speak"
if anything important is missing there let me know. several
repositories have been made available before I went for a trip to
> >> The windows inf file refers to Xceive XC5000 as the tuner in the
> >> *comment*, but there is NO mentioning of it anywhere else, while
> >> XC3028 is referenced a few more times (firmware, tuner type comment
> >> etc). I am pasting the relevant parts of the inf file below.
> >> ....
> >> Based on the windows driver information, is it safe to say that it may
> >> contain the XC5000 hardware,
> Yes, it is the XC5000 -- hence the overall ability of the card to
> support 256-QAM, as the XC3028 no can provide such .... (XC3028 can
> serve up 64-QAM source to the demod, but not 256-QAM).
> It is possible that Pinnacle also developed a similar card based on the
> XC3028 -- which would make it, by virtue of component constitution,
> similar to some other cards on the market (like KWorld ATSC 120,
> Geniatech X8000a, DViCO F5 nano PCI, maybe others..) -- and hence the
> presence of the XC3028 stuff in the .inf file, but has only released the
> XC5000 based board instead.
> >> I also noticed that on the i2c bus, it seems like the tuner is at
> >> 0x64 (there are only 3 visible addresses: 0x19 (s5h1409), 0x50 (eeprom),
> >> and 0x64). However, the windows inf file refers to TunerI2CAddress at
> >> 0xC2 (which corresponds to 0x61 == (0xC2>>1)). I am puzzled by the
> >> discrepancy here
> I'd hazard a guess that the info in the inf only applies to a XC3028
> based board, and not a XC5000 based board.
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