Re: Status of H1940 in upstream kernel?

At 03:34 AM 7/18/2008, Rtp wrote:
>Tom Talpey <tmtalpey_at_rcn.com> writes:
>> Can anyone tell me the status of the Ipaq H1940 support in the
>> upstream kernel? I am currently running my custom 2.6.20 build
>> with reasonable success, but would like to move forward to
>> (perhaps) 2.6.25.
>
>Currently, the drivers in the vanilla kernel are the UDC, framebuffer and
>in 2.6.27 the mmc driver will be there. I need to send a patch for
>declaring de mmc stuff in mach-h1940.c but I'm not sure it'll be merged
>in 2.6.27

Great! I'll look for the commit log for the driver, I can handle patching
mach-h1940.c of course. When you say "mmc stuff", would that be the
s3cmci driver, or the older s3c2410mci? I never had much luck with the
latter, though the s3cmci gave me trouble with highspeed cards when
the core mmc code tried to set it.

>> I see much of the code in the upstream arch/arm/mach-s3c2410
>> that was merged manually in the 2.6.20-h1940 kernel, but the
>> upstream code is lacking some critical components, such as the
>> SD slot driver (s3mci). It's also missing battery and button support,
>> at a first look.
>
>What do you call "battery support" ? only battery charging ?

Yes, charging status/connected to mains, plus the LED hook. I like
to know when it's fully charged just by glancing at it in the dock.
I know the current code doesn't read the level, which would be nice
but I looked into that before and understand why it's not there.

>As regards the button and backlight stuff, there will be some changes
>soon as I plan to kill the current button driver to use the upstream
>gpio key driver and to use the pwm-bl driver. This should give a better
>h1940 support in the upstream kernel.

Sounds good. I ended up tweaking the key map a little so using the
1940 was easier for handheld nongraphic use. For example, I mapped
the "record" key to left-alt, and changed the application buttons to
function keys, so I can swap VT's and the like. It's pretty handy as
a tethered device, and as a portable bluetooth terminal. So it would
be good to use the upstream key driver to make setup easier.

>> The old code doesn't merge very well. Is there any more current
>> patch repo, and/or is anyone working on this machine's kernel
>> support?
>
>I don't have a uptodate repo but I hope to be able to find some time to
>fix that soon.

That would be great! You put it your ipaq/patches when you do? I'd be
happy to help with this, if there's work you need to be done.

Tom.
Received on Fri Jul 18 2008 - 09:23:04 EDT