[mpeg2] Re: kfir and linux 2.4.XX

["Jason D. Justman" <justmanj@msu.edu>]

Mark,

Can't seem to contact you via email, but can you send me this tar so I can see
what you've changed?

thanks,
jason

Mark Cuss wrote:

> Hi Andrew,
>
> Here is the Kfir code with the changes I mentioned below.  It does work here
> for us - you may require additional changes based upon your machine /
> chipset, but its probably unlikely.  We tested on a PIII - 866.
>
> Have fun,
>
> Mark
>
> ----- Original Message -----
> From: "Mark Cuss" <mcuss@cdlsystems.com>
> To: <mpeg2@linuxtv.org>
> Sent: Monday, November 05, 2001 9:37 AM
> Subject: [mpeg2] Re: kfir and linux 2.4.XX
>
> > Hello!
> >
> > I've been using the Kfir board under RedHat 7.2 with the kernel upgraded
> to
> > 2.4.13.  We did need to do some mods to the driver which, unfortunately,
> are
> > not very well documented.  We needed to fix some stuff to do with DMA and
> to
> > fix the unloading of the module.
> >
> > If you need more info I could probably send you the new, changed code.
> >
> > Mark
> >
> > ----- Original Message -----
> > From: "Andrew Thomas" <dat@hpl.hp.com>
> > To: <mpeg2@linuxtv.org>
> > Cc: <dat@hpldat.hpl.hp.com>
> > Sent: Thursday, November 01, 2001 7:14 PM
> > Subject: [mpeg2] kfir and linux 2.4.XX
> >
> >
> > > I am trying to get a Kfir board working with the Linux driver.
> > >
> > > I know that the card does work, I've successfully used it on a
> > > Windows 98 machine and encoded a NTSC stream.
> > >
> > > I've tried several versions of the linux kernel with Redhat 7.2
> > > filesystem/applications. The kernels I've used are built from 2.4.2
> > > (Redhat SRPM), 2.4.12 (Redhat SRPM) and 2.4.9 (vanilla Linus
> > > distribution).
> > >
> > > I've also tried 4 different PC's: Pentium 166/Intel Triton;
> > > 1Ghz P3 Serverworks chipset; 450Mhz P3 Intel chipset; 750 MHz P3
> > (different
> > > intel chipset). [All of these machines are made by HP of course..]
> > >
> > > And I'm using the cvs version of the driver. I've used i2c-core and
> > > i2c-algo-bits from both the kernel distribution and those in the cvs
> > > tree.
> > >
> > > Moreover, I've also tried both PAL and NTSC signals.
> > >
> > > The behaviour is typically: the modules load successfully, but
> > >
> > > cat /dev/video0 > /tmp/foo.mpg
> > >
> > > generates a zero length file.
> > >
> > > However, on the Pentium machine, the same command locks up the system
> > > (requiring a reset) - I used this hardware and Win98 to test the kfir
> > card,
> > > and and the card does work with win98 on that platform.
> > >
> > > I'd like to hear from anyone that has this card working. Could you
> > > let me know what kernel version you're running, on what hardware,
> > > and any changes you might have made to the driver?
> > >
> > > I've started tinkering with the source, but it's very difficult to
> > > make progress as the driver is the only documentation I have. Are there
> > > any documents available which describe the hardware? (at the level
> > > of detail where it would be possible to maintain the driver)
> > >
> > > Many thanks,
> > >
> > > Andrew
> > > -------------
> > > Andrew Thomas                  | DISCLAIMER: opinions expressed in this
> > > Hewlett-Packard Laboratories   | message are personal and do not
> represent
> > > 1501 Page Mill Road  MS 1U-17  | the opinions of Hewlett Packard Co.
> > > Palo Alto CA 94304-1126        |
> > >
> > >
> >
> >
>
> -- Binary/unsupported file stripped by Listar --
> -- Type: application/x-gzip
> -- File: kfir.tar.gz