[LinuxBIOS] Programming i2c video-out

joe at smittys.pointclark.net joe at smittys.pointclark.net
Tue Mar 13 05:43:24 CET 2007

Yeh, As soon as I get my setup working, I think I am going to call the  
tv-out driver just after the superIO initializes this way when ever  
the vga bios starts it's output to DVOA the tv-out chip will be ready  
to encode.

Thanks - Joe

Quoting Quux <pawn2be.wild at yahoo.de>:

> hey Joe,
> I'd guess, during testing, the sequence would make not much difference.
> Once the code is working, the earlier it gets called, the more you could
> output onto TV which would be desirable. maybe use it as debug output
> device.   greetinx: --Q
> joe at smittys.pointclark.net schrieb:
>> Hello,
>> I have a question. I see in the sources there are drivers for i2c
>> devices. What I am thinking is to write a driver to program and
>> initialize the tv-out chip through the i2c (smbus). The tv-out chip is
>> embedded in the board and programable through i2c. If this is possible
>> I would need to know at what point the video bios gets initialized.
>> And I would want to load this driver right after video bios gets
>> initialized correct? Thoughts?
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