On Monday 22 August 2005 20:36, Thomas Pinz wrote:
> Hi.
>
> I still think, using the ivtv-driver for the tv-tuner of the Qosmio notebooks
> of toshiba would be a good idea. :) So i collected some informations, maybe
> the developers could need that.
>
> The Qosmio series of Toshiba is a notebook with a build tv-tuner on a
> minipci-card, which is quite similar to the Happauge PVR-x50. In all
> notebooks (Qosmio E10, F10, F20, G10, G20) the same card is used.
>
> So, maybe these are helpful informations and Hans or Chris or somebody else
> say some words, if its possible to enhance the ivtv-driver to support the
> Qosmio-Cards.
>
> If it helps, i could provide a shell-acount on a machine, where such a card
> is
> in use, because they are not seperate to buy.
That's not enough, you need to have such hardware on hand.
>
> I disasembled my notebook to have a look on the card:
> Hardware:
>
> A complete list of the chips on the board.
>
> - Microtune MT2050
> Chip-Tuner, converts the HF to the baseband-signal. It is detected by the
> tuner-module in ivtv and used in some other bt8x8-boards.
>
> - Micronas DRX 3960A
> The IF-Modulator, it demodulates the baseband-signal to the cvbs-signal and
> sound output.
> I don't find which chip is used one the Happauge Boards instead. But i think,
> there is only some short i2c-init necessary.
Datasheets are generally easily available from their website.
> - NEC D64031
> It does some "Ghostimage"-reduction on the analog cvbs-signal. There is a
> i2c-control, but the chip is also used on some other bt8x8-boards.
>
> - NEC D64011
> That is the video decoder on the board. The Happauge boards use the SAA7115
> instead. It converts the analog cvbs-signal to the digital signal. There is
> also a i2c-control, maybe someone could got the command-list from NEC.
You need a good datasheet for this.
> I think the biggest problem is the video decoder, but maybe i could get some
> informations with a i2c-sniffer, when no datasheet is provided by NEC.
With a datasheet you stand a reasonably chance of making it work. Otherwise it's
probably not worth the time.
Hans
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