Hi
I've decided that I want to learn kernel hacking a little and because of
that and because of new HDMI CEC Framework in kernel 4.8 I chose to write
CEC driver for old Allwinner A10.
There in no CEC hardware core for this CPU and I think the only way is to
create implementation that uses bit bang
https://groups.google.com/forum/#!topic/linux-sunxi/l5jhSY8PDFA
This thread does seem to suggest there is (some) CEC hardware...
Also some code here ;
https://groups.google.com/forum/#!msg/linux-sunxi/cNbMiwzgGJ0/tK-KvXkn-pQJ
Not sure if you missed it or i'm blind, just ignore if nonsense ;)
-
>
>
> https://groups.google.com/forum/#!topic/linux-sunxi/l5jhSY8PDFA
>
> This thread does seem to suggest there is (some) CEC hardware...
>
> Also some code here ;
> https://groups.google.com/forum/#!msg/linux-sunxi/cNbMiwzgGJ0/tK-KvXkn-pQJ
>
> Not sure if you missed it or i'm blind, just ignore
On Mon, Oct 17, 2016 at 3:07 PM, Jarosław Nieć wrote:
>>
>> https://groups.google.com/forum/#!topic/linux-sunxi/l5jhSY8PDFA
>>
>> This thread does seem to suggest there is (some) CEC hardware...
>>
>> Also some code here ;
>> https://groups.google.com/forum/#!msg/linux-sunxi/cNbMiwzgGJ0/tK-KvXkn-p
Hi Jarosław,
On Mon, Oct 17, 2016 at 08:15:53PM +0200, Jarosław Nieć wrote:
> I've decided that I want to learn kernel hacking a little and because of
> that and because of new HDMI CEC Framework in kernel 4.8 I chose to write
> CEC driver for old Allwinner A10.
> There in no CEC hardware core for
Hi Maxime,
On Mon, Oct 17, 2016 at 9:51 PM, Maxime Ripard <
maxime.rip...@free-electrons.com> wrote:
> Hi Jarosław,
>
> On Mon, Oct 17, 2016 at 08:15:53PM +0200, Jarosław Nieć wrote:
> > I've decided that I want to learn kernel hacking a little and because of
> > that and because of new HDMI CEC
Hi,
On 17-10-16 23:33, Jarosław Nieć wrote:
Hi Maxime,
On Mon, Oct 17, 2016 at 9:51 PM, Maxime Ripard mailto:maxime.rip...@free-electrons.com>> wrote:
Hi Jarosław,
On Mon, Oct 17, 2016 at 08:15:53PM +0200, Jarosław Nieć wrote:
> I've decided that I want to learn kernel hacking a l
On Tue, Oct 18, 2016 at 6:14 PM, Hans de Goede wrote:
> Hi,
>
> On 17-10-16 23:33, Jarosław Nieć wrote:
>>
>> Hi Maxime,
>>
>>
>> On Mon, Oct 17, 2016 at 9:51 PM, Maxime Ripard
>> mailto:maxime.rip...@free-electrons.com>>
>> wrote:
>>
>> Hi Jarosław,
>>
>> On Mon, Oct 17, 2016 at 08:15:53P
Hi,
On 19-10-16 05:16, Chen-Yu Tsai wrote:
On Tue, Oct 18, 2016 at 6:14 PM, Hans de Goede wrote:
Hi,
On 17-10-16 23:33, Jarosław Nieć wrote:
Hi Maxime,
On Mon, Oct 17, 2016 at 9:51 PM, Maxime Ripard
mailto:maxime.rip...@free-electrons.com>>
wrote:
Hi Jarosław,
On Mon, Oct 17, 20
On Wed, Oct 19, 2016 at 5:53 PM, Hans de Goede wrote:
> Hi,
>
>
> On 19-10-16 05:16, Chen-Yu Tsai wrote:
>>
>> On Tue, Oct 18, 2016 at 6:14 PM, Hans de Goede
>> wrote:
>>>
>>> Hi,
>>>
>>> On 17-10-16 23:33, Jarosław Nieć wrote:
Hi Maxime,
On Mon, Oct 17, 2016 at 9:51
Hi,
On 19-10-16 11:57, Chen-Yu Tsai wrote:
On Wed, Oct 19, 2016 at 5:53 PM, Hans de Goede wrote:
Hi,
On 19-10-16 05:16, Chen-Yu Tsai wrote:
On Tue, Oct 18, 2016 at 6:14 PM, Hans de Goede
wrote:
Hi,
On 17-10-16 23:33, Jarosław Nieć wrote:
Hi Maxime,
On Mon, Oct 17, 2016 at 9:51 PM,
On Wed, Oct 19, 2016 at 11:53:10AM +0200, Hans de Goede wrote:
> > > If all the hardware allows you to-do is set / read the pin, you
> > > could write a gpio-chip driver for it, and then attach a generic
> > > cec-over-gpio driver to that, that seems like a better idea then
> > > an Allwinner speci
Hi,
On Mon, Oct 17, 2016 at 11:33:45PM +0200, Jarosław Nieć wrote:
> > > I've decided that I want to learn kernel hacking a little and because of
> > > that and because of new HDMI CEC Framework in kernel 4.8 I chose to write
> > > CEC driver for old Allwinner A10.
> > > There in no CEC hardware c
On Wed, Oct 19, 2016 at 2:55 PM, Maxime Ripard <
maxime.rip...@free-electrons.com> wrote:
> On Wed, Oct 19, 2016 at 11:53:10AM +0200, Hans de Goede wrote:
> > > > If all the hardware allows you to-do is set / read the pin, you
> > > > could write a gpio-chip driver for it, and then attach a generi
On Wed, Oct 19, 2016 at 3:02 PM, Maxime Ripard <
maxime.rip...@free-electrons.com> wrote:
> Hi,
>
> On Mon, Oct 17, 2016 at 11:33:45PM +0200, Jarosław Nieć wrote:
> > BTW Implementing general cec-over-gpio driver could be also quite
> > useful for lot of projects.
>
> Rockchip has such a driver al
Hi,
On 19-10-16 20:33, Jarosław Nieć wrote:
On Wed, Oct 19, 2016 at 2:55 PM, Maxime Ripard mailto:maxime.rip...@free-electrons.com>> wrote:
On Wed, Oct 19, 2016 at 11:53:10AM +0200, Hans de Goede wrote:
> > > If all the hardware allows you to-do is set / read the pin, you
> > > cou
Hi,
On 19-10-16 21:02, Jarosław Nieć wrote:
On Wed, Oct 19, 2016 at 3:02 PM, Maxime Ripard mailto:maxime.rip...@free-electrons.com>> wrote:
Hi,
On Mon, Oct 17, 2016 at 11:33:45PM +0200, Jarosław Nieć wrote:
> BTW Implementing general cec-over-gpio driver could be also quite
>
On 10/20/16 11:18, Hans de Goede wrote:
Hi,
On 19-10-16 21:02, Jarosław Nieć wrote:
On Wed, Oct 19, 2016 at 3:02 PM, Maxime Ripard
mailto:maxime.rip...@free-electrons.com>> wrote:
Hi,
On Mon, Oct 17, 2016 at 11:33:45PM +0200, Jarosław Nieć wrote:
> BTW Implementing general cec-ov
On Thu, Oct 20, 2016 at 11:17:13AM +0200, Hans de Goede wrote:
> Yes that is the idea. Although it is not really fake as theoretically
> the CEC pin could be used as a general gpio. Basically the idea is that
> if the hardware only offers get and set functionality on the pin and
> nothing really CE
On Wed, Oct 19, 2016 at 09:02:50PM +0200, Jarosław Nieć wrote:
> On Wed, Oct 19, 2016 at 3:02 PM, Maxime Ripard <
> maxime.rip...@free-electrons.com> wrote:
>
> > Hi,
> >
> > On Mon, Oct 17, 2016 at 11:33:45PM +0200, Jarosław Nieć wrote:
> > > BTW Implementing general cec-over-gpio driver could be
Hi,
On 20-10-16 14:55, Maxime Ripard wrote:
On Thu, Oct 20, 2016 at 11:17:13AM +0200, Hans de Goede wrote:
Yes that is the idea. Although it is not really fake as theoretically
the CEC pin could be used as a general gpio. Basically the idea is that
if the hardware only offers get and set functi
Hi,
On 20-10-16 14:55, Maxime Ripard wrote:
On Thu, Oct 20, 2016 at 11:17:13AM +0200, Hans de Goede wrote:
Yes that is the idea. Although it is not really fake as theoretically
the CEC pin could be used as a general gpio. Basically the idea is that
if the hardware only offers get and set functi
Hi,
Thank you guys for your great inputs.
Discussion was very very helpful and clarified lot of things.
Here is more of less my current master plan :)
1) finish first version of sunxi CEC adapter that is using
pooling of HDMI CEC register. This version will be without
EDID parsing. Even if we lat
On Thu, Oct 20, 2016 at 04:39:26PM +0200, Hans de Goede wrote:
> On 20-10-16 14:55, Maxime Ripard wrote:
> > On Thu, Oct 20, 2016 at 11:17:13AM +0200, Hans de Goede wrote:
> > > Yes that is the idea. Although it is not really fake as theoretically
> > > the CEC pin could be used as a general gpio.
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