Mikhail T. wrote:
понеділок 14 січень 2008, Kirk Davis, Ви написали:
= I have ported the uberry driver from OpenBSD over to FreeBSD. I have
= done a lot of changed and support for the new devices and am just
= working on some final changed before submitting it. I abandoned the
= linux uberry driver as I didn't like the inteaction with libusb and
= running it from userspace.
Thanks, Kirk. Without knowing the details of your work, I can only emphasise
once again, the API-compatibility with (the Linuxish) libusb is an absolute
requirement.
I'm sure, the API can be argued to be lacking in some respect or another. I'd
also accept the validity of arguments for making kernel-drivers for various
devices (such as uberry) instead of exposing them as ugen and letting the
user-space software deal with them.
However, without the libusb API-compatibility AND the sysctl-compatibility for
Linuxulator we will not be able to compile/run the applications written for
Linux (Solaris?).
Some time ago BSD decided to go its own way with video instead of adopting the
video4linux framework. I don't know the arguments leading that decision, but
I'm quite certain, they were and remain sound... Unfortunately, it also meant
incompatibility with Linux-targeted apps, and we should not repeat the same
mistake with USB.
we did not decide to not go with it...we just never did it..
there have been serveral attempts to get a v4l2 in FreeBSD but they all
stalled for ENOTIME. there is even one that basically worked but
never got integrated. It's in perforce somewhere.
uberry(4) is nice, but libusb is a must...
-mi
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