RE: [iPAQ] Re: PCMCIA video?

Kurt,

dump_cis did not yield any CIS tuples for this card.

-Jamey

-----Original Message-----
From: Kurt Mahan [mailto:kmahan_at_xmission.com]
Sent: Monday, November 27, 2000 11:11 AM
To: ahourihane_at_valinux.com
Cc: jg_at_pa.dec.com; rac_at_kom.tu-darmstadt.de; zap_at_xms.se;
ipaq_at_handhelds.org; handhelds_at_handhelds.org; ahourihane_at_valinux.com
Subject: [iPAQ] Re: [Handhelds] PCMCIA video?

Just out of curiosity does anybody have a dump of the CIS tuples for the
card? I'm curious how it identifies itself and what resources it is asking
for..

Thanks!

Kurt (someone who wrote pcmcia support for UnixWare years ago..)

> On Mon, Nov 27, 2000 at 07:33:01AM -0800, Jim Gettys wrote:
> > It is the VGA out card you'll find on the page for the HP Jornada 720
> > (a PDA with keyboard that is also a SA1110). The card uses
> > a Trident graphics chip.
> >
> > See http://www.hp.com/jornada/products/720/acc_vga_out_pc_card.html
> >
> > Status right now: the card does not ID itself the way a "normal" PCMCIA
> > card should. It appears (on x86 Linux) as anonymous memory, that Linux
> > is marking read-only.
> >
> > We clearly need to get to the point to be able to write to the card
> > to be able to use it. Someone with more PCMCIA expertise is needed
> > to track down how to do this. Right now we are stuck.
> >
> > If we can get past this point, Alan Hourihane has an iPAQ, one of the
cards,
> > and the expertise for the Trident graphics chip required to get this
running
> > (he maintains the Trident XFree86 code).
> >
>
> And I've just joined this list.
>
> Jim is absolutely correct. The current linux pcmcia utils(3.1.22)
identifies
> the card as a standard memory device and maps a single memory block, which
> ends up mapping it's ROM BIOS which is built onto the Trident chip.
>
> I suspect the PCMCIA utilities needs to be told a little bit more about
> this device. As 1, yes - it comes up as write-protected, 2, The chip
should
> also map either an IO window through memory space or through register
space
> which it doesn't.
>
> I've been looking through the PCMCIA stuff and although it doesn't look
> too bad to understand, I've talked with David Hinds about this and without
> documentation on what bits to flip with this were not going to get
anywhere.
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Received on Mon Nov 27 2000 - 09:41:31 EST