BBB Framebuffer driver : Project status

[Vijay Kumar Banerjee]

On Tue, Jun 25, 2019 at 5:04 PM Vijay Kumar Banerjee <
vijaykumar9597 at gmail.com> wrote:

> Hello,
>
> The First Evaluation is going on and I here I would summarize all the
> progress
> that the project has made in the first Phase.
>
> 1. The major progress is the completion of the I2C adaptation layer in the
> libbsd
>      along with the iicbus driver imports. The v4 of the driver [1] has
> been tested to be
>      working with the bbb-i2c driver patch [2]. After the RTEMS driver is
> updated in the
>      master, the adaptation layer will be mergeable.
>
> [1] : https://lists.rtems.org/pipermail/devel/2019-June/026320.html
[2] :  https://lists.rtems.org/pipermail/devel/2019-June/026308.html

> 2. I am getting EDID reading from the imported tda drivers. I have checked
> this using
>     the ti_i2c driver but now as we have an updated version  of the
> driver, I'll pull this all
>     with the adaptation layer and will continue from there.
>
> 3. I found a sample app from the freebsd mailing list, that draws a basic
> shape on the
>     screen. I have made it a standalone app with only single source and
> have tested it
>      to be working with the FreeBSD. The only issue with the code is that
> it uses mmap
>      and RTEMS doesn't use mmap so I'm rewriting the app with pread and
> pwrtie on
>      to write to the /dev/fb0 directly. This app work is ongoing.
>
> Next Up:
> 1. merge the ported TDA driver and using it with the adaptation layer.
> 2. Import and port the fbd dirver to create an fb0 device.
> 3. complete the sample app and convert it into a libbsd sample app to test
> the device.
>
> Thanks,
> Vijay
>
>>
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