On Wed, Nov 17, 2004 at 10:02:51PM -0500, Michael wrote:
> ... which raises another (stupid) question - are there any timing constraints? No docs I saw so far mentioned any. But I'd think that I can't toggle the clock line as fast as I'd like to, so - how long do I need to keep the clock line up or down for a device to react?

i think you should look at the MI code in sys/dev/i2c.

as for using the bktr interface, please don't. i've been (slowly) writing
drivers for the sun videopix & parallax powervideo cards and i was thinking
of implamenting something like solaris' rtv interface for them.

jb13