intel: add2/sdvo cards with CX25905 supported?

[Alex Deucher]

On Nov 29, 2007 7:48 AM, Riku Hintukainen <riku at sdf-eu.org> wrote:
> HP has a new, atleast to me, add2 card (RZ585AA) with DVI-I and tv-out
> outputs:
> http://h18000.www1.hp.com/products/quickspecs/archives_North_America/12008_na_v4/12008_na.HTML
>
> Here is an another document, that says this same card has VGA and tv-out
> outputs:
> http://h18004.www1.hp.com/products/quickspecs/12008_div/12008_div.PDF
>
> It seems to be using Conexant CX25905 chip, This chip isn't mentioned
> anywhere in driver source tree. Google has this Conexant document (from
> 2004) in it's cache, that says:
> "Windows and Linux drivers, created by Intel in consultation with
> Conexant supporting the CX25900 series and its many display options,
> will be available for evaluation and prototyping with these devices."
>
> http://209.85.173.104/search?q=cache:Ou8Aay0ZA6QJ:www.conexantsys.org/servlets/DownloadServlet/PBR-200686-001.pdf%3Fdocid%3D687%26revid%3D1+Conexant+CX25905&hl=fi&ct=clnk&cd=13&gl=fi
>
> So I'm a little confused. Has anybody tested these cards? They aren't
> listed in the x.org wiki. I don't have this card, so I haven't tested it
> myself. I don't even know if I can buy one yet. Should all add2 cards
> just work, or do they need support in the driver?

ADD2 cards should just work as they all provide a standard interface,
however the driver need support for the different sdvo card types.
Currently, I think TMDS and VGA DACs should work, there was a patch
for LVDS support, but I'm not sure what the status of tv-out is.

Alex