Re: [Barry-devel] Uberry driver

[Martin O. <doc...@gm...>]

Wading in with my size 12s I'd say that the charging and low level
information services should be kernel side and the data services,
modem and so on should be user side.

But that would require Chris to decommission bcharge and work on the
kernel driver, since no kernel drivers have yet supported the
Blackberry Pearl correctly with charging I can only hope that if Chris
works on the kernel space the support would be better for all devices.

Let me know how your taking it forwards, I'm curious.

Best Regards, Martin Owens

2008/5/24 Chris Frey <cd...@fo...>:
> On Sat, May 24, 2008 at 12:56:12PM +0100, Federico G. Schwindt wrote:
>> > We were the first to get Blackberries charging natively on non-Windows
>> > machines.  The "bcharge.cc" program was released December 2006.
>>
>>   The uberry(4) driver in our tree is dated 2006-11-27 :-)
>
> Those are close debuts. :-)
>
> Before bcharge, devices in the open source world would tend to get stuck
> at 100mA, instead of the 500mA that Windows machines were capable of.
>
> Taking a peek at the CVS history for uberry, it seems the commands to
> boost it to 500mA were added around August 2007, and this change
> was based on bcharge.
>
> http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/usb/uberry.c?rev=1.11&content-type=text/x-cvsweb-markup
>
>
>>   you're not giving us a dmesg or any useful information, but i guess your
>> blackberry is detected as uberry? if so, libusb only works on ugen devices,
>> and the device needs to exist in /dev.
>
> Sorry, I didn't think to send dmesg.  It did indeed detect the device
> as uberry.  I'm not familiar with ugen, so I will read up on it.
> Thank you!
>
> I assume I'll have to disable uberry somehow, in order to use ugen?
>
>
>> > Barry takes the approach that, given a working libusb, all Blackberry
>> > functionality can happen in userspace, from charging to backups to
>> > modem support.  But modem support on the newer Blackberries is fairly
>>
>>   charging is already provided by the uberry driver.
>
> Absolutely.  I just meant to explain what Barry's goals were.  It is a
> combination of research + library + user applications.
>
> I know folks have differing opinions on what belongs in kernel space vs.
> user space, and I'm not familiar enough with OpenBSD to know where that
> balance lies.
>
> - Chris
>
>
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