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From: <h5400-port-request@handhelds.org>
To: <h5400-port@handhelds.org>
Sent: Sunday, June 27, 2004 9:00 AM
Subject: H5400-port Digest, Vol 15, Issue 21

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> Today's Topics:
>
> 1. Re: 2.6 kernel on iPAQ 5500 (Matus Harvan)
> 2. Re: 2.6 kernel on iPAQ 5500 (Andrew Zabolotny)
> 3. Re: 2.6 kernel on iPAQ 5500 (Philip Blundell)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 25 Jun 2004 18:21:47 +0200
> From: Matus Harvan <harvan@netlab.nec.de>
> Subject: Re: [H5400-port] 2.6 kernel on iPAQ 5500
> To: Philip Blundell <pb@nexus.co.uk>
> Cc: h5400-port@handhelds.org
> Message-ID: <40DC511B.1070304@netlab.nec.de>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
>
> >You shouldn't need to install devfsd. Loading h5400_lcd and mq1100fb
> >should be sufficient to make /dev/fb/0 appear. If this isn't working,
> >it sounds like the code needs to be debugged some more.
> >
> >
> How should I go about the debugging? I have just heard about kgdb and am
> going to google/read man page. Could you recommend some other tools?
>
> Matus
>
>
> ------------------------------
>
> Message: 2
> Date: Fri, 25 Jun 2004 23:28:50 +0400
> From: Andrew Zabolotny <zap@homelink.ru>
> Subject: Re: [H5400-port] 2.6 kernel on iPAQ 5500
> To: Philip Blundell <pb@nexus.co.uk>
> Cc: h5400-port@handhelds.org
> Message-ID: <20040625232850.64d37034.zap@homelink.ru>
> Content-Type: text/plain; charset=US-ASCII
>
> On Fri, 25 Jun 2004 15:41:36 +0100
> Philip Blundell <pb@nexus.co.uk> wrote:
>
> > > How about the mq11xx_base? It aloa made something to the lcd (after
that
> > > it was completely blank).
> > I'm not sure exactly what the story is with that. Andrew, do you know
> > whether this module is required for mq1100fb to work nowadays?
> Yes, mq11xx_base is required for anything mediaq related. The idea is that
it
> does basic resource sharing and management, and all other mq-related
drivers
> get a pointer to the private MediaQ interface and work through it.
Something
> like this:
>
> mq11xx_base
> +-- aximx5_lcd
> | +-- mq1100fb
> +-- mq11xx_udc
> +-- ...
>
> I think the screen is blank because mq11xx_base turns off all subdevices
of
> MediaQ upon initialization (including LCD flat panel controller). The
mq1100fb
> driver calls backlight and lcd enable functions, which in turn are
expected to
> enable the respective MediaQ subdevices. So I think you did not loaded the
> lcd/backlight module for your PDA, that's why your screen is blank. If
you're
> porting to a new PDA using MediaQ chip, look at aximx5_lcd, h2200_lcd and
> roverp5_lcd for a example of backlight/lcd module that talk to the MediaQ
base
> driver.
>
> --
> Greetings,
> Andrew
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 25 Jun 2004 20:30:22 +0100
> From: Philip Blundell <pb@nexus.co.uk>
> Subject: Re: [H5400-port] 2.6 kernel on iPAQ 5500
> To: Andrew Zabolotny <zap@homelink.ru>
> Cc: h5400-port@handhelds.org
> Message-ID: <1088191822.14351.2.camel@dixie.nexus.co.uk>
> Content-Type: text/plain
>
> On Fri, 2004-06-25 at 20:28, Andrew Zabolotny wrote:
> > Yes, mq11xx_base is required for anything mediaq related. The idea is
that it
> > does basic resource sharing and management, and all other mq-related
drivers
> > get a pointer to the private MediaQ interface and work through it.
Something
> > like this:
>
> Okay, thanks.
>
> > enable the respective MediaQ subdevices. So I think you did not loaded
the
> > lcd/backlight module for your PDA, that's why your screen is blank. If
you're
> > porting to a new PDA using MediaQ chip, look at aximx5_lcd, h2200_lcd
and
> > roverp5_lcd for a example of backlight/lcd module that talk to the
MediaQ base
> > driver.
>
> He's on iPAQ h5500, so h5400_lcd.c should have sufficed. I guess that
> means that those bits are out of date.
>
> p.
>
>
>
>
> ------------------------------
>
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> End of H5400-port Digest, Vol 15, Issue 21
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Received on Sun Jun 27 13:22:31 2004