upwc (4): a port from FreeBSD pwc

[Vincent <10.50%free.fr@localhost>]

Hi there,

I don't know if posting this is acceptable here — but I have no clue how 
to do otherwise. In the appended file is the NetBSD port of the FreeBSD 
pcw driver, itself ported from Linux. Briefly, it is a driver supporting 
some webcams (including mine!). I renamed it upwc to be more inline with 
the u- naming convention for USB drivers.

This is a LKM DRV type driver, so it should be loaded after boot using 
the well known modload(1) command. Also, please read carefully the 
README file, as it contains instructions on how to compile and use the 
driver. The man file contains some hints on how to watch the webcam 
output with mplayer.

There is also an application call pwcview that controls various features 
of the webcam.

I don't claim the code to be optimal or complete, but it seems to work 
nicely. I have tested it on current, any backtest on 4.0 would be 
appreciated.

Please let me know if anything goes wrong.

Thanks a lot to Rafał Boni and Matthias Drochner for their insighful help.

Vincent

Attachment: upwc-1.3.1.tgz
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