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Date:      Thu, 21 Aug 2008 21:40:43 +0100
From:      Dieter <freebsd@sopwith.solgatos.com>
To:        Sean Bruno <sbruno@miralink.com>, freebsd-firewire@freebsd.org
Subject:   Re: Something broke :-( Re: fwcontrol update 
Message-ID:  <200808220440.EAA09835@sopwith.solgatos.com>
In-Reply-To: Your message of "Thu, 21 Aug 2008 18:26:13 BST."

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> 	Seems to me that the solution is to look at the
> 	datasheet and the device driver and figure out what
> 	isn't getting initialized.  So we need to find the
> 	datasheet for the NEC.

http://chipdig.com/datasheets/download_datasheet.php?id=1024801&part-number=UPD72871

345130 bytes 48 page pdf

Oddly I didn't find any timing diagrams, but there is a
list of registers.  Some of them even have descriptions
that make sense.

And we have useful info like:

"VGA color palette invalidate is always disabled."

Why a firewire controller would know or care about VGA
color palette is beyond me.


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