Hans Verkuil wrote:
> On Friday 04 April 2008 19:09:00 Andy Walls wrote:
> > Peter Stoffberg wrote:
> > > lspci -nnv
> > >
> > > 06:09.0 Multimedia video controller [0400]: Conexant CX23418
> > > Single-Chip MPEG-2 Encoder with Integrated Analog Video/Broadcast
> > > Audio Decoder [14f1:5b7a]
> > >         Subsystem: Toshiba America Info Systems Unknown device
> > > [1179:0110] Flags: bus master, medium devsel, latency 64, IRQ 20
> > > Memory at f4000000 (32-bit, non-prefetchable) [size=64M]
> > > Capabilities: <access denied>
> >
> > The 1179:0110 appears to be a Toshiba TTV500x PCI DVB-T/Analog Hybrid
> > Tuner card.
> >
> > As Hans said about this card in January:
> > > [...] unlikely to work without me knowing a lot more
> > > about the hardware involved. Basically I need to have detailed
> > > pictures + chip model numbers of the hardware: which tuner is used,
> > > which memory chips are used, which other audio or whatever chips
> > > are used...
> > >
> > > So you would have to open up your laptop and do all this first. And
> > > it might be that there are some chips for which I have no
> > > datasheet, in which case it's never going to work.
> > >
> > > Regards,
> > >
> > >   Hans
> >
> > If you have the *.inf file from the Windows driver, it can give clues
> > as to how the CX23418 inputs are wired up, the I2C addresses used on
> > the card, and maybe even GPIO settings and DDR configuration
> > settings.  So one could get started a card entry for this card in the
> > cx18 driver. (BTW, Toshiba's EULA for the driver software, and I
> > suppose the *.inf file too, looks a little unfriendly for those who
> > wish to glean data from it.)
> >
> > However, you'd still need to physically look at the card to determine
> > the audio digitizer/multiplexer chip (CS5345 or something else) and
> > the analog and digital tuners in use.
> >

> And in addition try to run a 'cat /dev/video0 >/dev/null', break it
> off 
> and check dmesg to see if the firmware was loaded. If not, then try
> to 
> load cx18 with the option cardtype=2 and cardtype=3 respectively and 
> see if either of these two variations will allow you to load the 
> firmware.
> 
> Regards,
> 
>       Hans

I forgot to mention in my previous mail.

The Toshiba Windows driver for the TTV500x is here:

http://cdgenp01.csd.toshiba.com/content/support/downloads/driver_tv_tuner_25836A.exe

But first read the Toshiba EULA for the driver here:

http://www.csd.toshiba.com/cgi-bin/tais/su/su_navShell.jsp?cf=su_eula.html&pf=true

-Andy


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