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SubjectRe: [PATCH 2.4.5-ac12] New Sony Vaio Motion Eye camera driver
On Sun, Jun 10, 2001 at 04:58:42PM +0100, Alan Cox wrote:

> > Yes. But, even if I know how to program the mchip to output to
> > the video bus, there is something missing to enable overlay
> > (either in the mchip or in the ati video driver).
> It could be using the YUV digital inputs to the ATI chip.

Most likely yes.

> It seems however
> also quite likely to me that windows is doing the following
> 1. Issuing USB transfers which put the data into video ram overlay buffers
> (ie the DMA from the USB controller)


The rest seems good to me :-) I even think that the docs we have
are sufficient for this part (programming the mchip dma).

> 2. Using the YUV overlay/expand hardware in the ATI card
> (see for X stuff for ATI for this)


I took a quick look on their site but it seems that the
Rage Mobility P/M card which this laptop has isn't yet supported.

Stelian Pop <>
|---------------- Free Software Engineer -----------------|
| Alcôve - - Tel: +33 1 49 22 68 00 |
|------------- Alcôve, liberating software ---------------|
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