Re: [R-engine-developers] SAA7115

[Doug S. <dsc...@ci...>]

Hi Cedric,
	Did you ever make any progress on the VAIO SAA7115 ?

	There seems to be a rekindled interest in helping people
	develop linux drivers...

http://www.kroah.com/log/linux/free_drivers.html

	I have no understanding of low level development but try
	to occasionally keep the r-engine.sf.net web site alive.

	Cheers,

	Doug

Cedric Cellier wrote:
> I've just opened up my Vaio.
> 
> This is really easy : from the 5 screws that are under the laptop, 
> remove the central one, this is the one that grasp the keyboard. Then, 
> with a very small screwdriver, unclip the keyboard (the two clips are at 
> the bottom left and bottom right of the keyboard). Then you can lift it 
> slowly. A flat connector have to be unplugged from the laptop so that 
> you can rotate the keyboard upward right to the screen. Then you can 
> unclip the metal cover of the pcmcia hole, then unstuck the plastic 
> protection under the pcmcia hole to reveal the mb86393 and the saa7115.
> 
> Thank you Peter ! :-)
> 
> Then, you need good eyes to count the pins...
> 
> I will try to take pictures on my own tomorrow (my girlfriend owns a 
> good camera) so that it will be easier to follow the circuitry, 
> hopefully. I've done a rough sketch of the SAA7115 because I wanted to 
> know if the RTCO was soldered to a resistor or not (giving the I2C w/r 
> register), and it seams that it's the case, so the registers should be 
> 40h and 41h instead of the default 42h/43h. Other people should be able 
> to confirm this on the pictures.
> 
> As for the GPIO, I think I have spotted the SCL/SDA lines on the SAA7115 
> side. But one can barely follow them, for the 2 lines quickly goes under 
> cover and because the 8 GPIO pins are soldered under the MB86393, in the 
> center of it (pins #48, 51, 56, 132, 134, 135, 204 and 206). Perhaps we 
> can see them on the other side of the board, but one must remove the 
> board completely to find out ...
> 
> Stay tuned people ! :-)
> 
> 
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