Re: [PATCH v2 1/4] vin-tests: Add support for D3 Draak

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Hi Jacopo,

On 2018-08-24 18:28:49 +0200, Jacopo Mondi wrote:
> Hi Niklas,
> 
> On Fri, Aug 24, 2018 at 06:12:29PM +0200, Niklas Söderlund wrote:
> > Hi Jacopo,
> >
> > Thanks for your work.
> >
> > On 2018-08-24 12:24:19 +0200, Jacopo Mondi wrote:
> > > Add support for D3 Draak board.
> > >
> > > Draak has its HDMI input connected to an ADV7612 which connects to VIN4
> > > parallel data inputs.
> > >
> > > Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
> > > ---
> > >  scripts/boards.sh | 9 +++++++++
> > >  1 file changed, 9 insertions(+)
> > >
> > > diff --git a/scripts/boards.sh b/scripts/boards.sh
> > > index 26fdab9..7eb3a27 100644
> > > --- a/scripts/boards.sh
> > > +++ b/scripts/boards.sh
> > > @@ -29,6 +29,13 @@ case $info in
> > >          # for V3M, but results in an image.
> > >          parallelformat="YUYV8_1X16"
> > >          ;;
> > > +    "Renesas Draak board based on r8a77995")
> > > +        gen="gen3"
> > > +        vins="4"
> > > +        parallelname="adv7612 0-004c"
> > > +        # FIXME: This is a hackfor D3, but results in an image.
> > > +        parallelformat="YUYV8_1X16"
> > > +        ;;
> > >      "Koelsch")
> > >          gen="gen2"
> > >
> > > @@ -70,6 +77,8 @@ if [[ "$gen" == "gen3" ]]; then
> > >
> > >          txaname="adv748x 0-0070 txa"
> > >          txbname="adv748x 0-0070 txb"
> > > +    elif [[ "$info" == "Renesas Draak board based on r8a77995" ]]; then
> > > +        hdminame="adv7612 0-004c"
> >
> > I don't have the D3 schematics at hand but this feels wrong. Why do you
> > define the adv7612 as both a parallel and CSI-2 source? IIRC the D3 have
> > no CSI-2 IP?
> >
> 
> Why is "hdminame" variable the CSI-2 source? It might as well be the
> VIN source, as for D3.

Well the design is currently that the parallel source is named 
'parallelname'. I agree that the name hdminame is not veary good in this 
context but it came from the time when a parallel source was not 
supported by the driver and the 'parallelname' variable was added once 
V3M support where added.

> 
> To me, and I have added it here because it is used in yavta-hdmi in
> this way, is the HDMI input component.

Correct yavta-hdmi uses only 'hdminame' variable as that script do not 
(yet) support parallel video source, only test-qv4l2.sh do this at the 
moment.

> 
> Want to change the name?
> 
> > The reason this exists for V3M is that it has both parallel input in the
> > form of a adv7612 and a CSI-2 input in the for of a adv7482 connected to
> > the CSI40 IP.
> >
> > >      else
> > >          cvbsname="adv748x 4-0070 afe"
> > >          hdminame="adv748x 4-0070 hdmi"
> > > --
> > > 2.7.4
> > >
> >
> > --
> > Regards,
> > Niklas Söderlund



-- 
Regards,
Niklas Söderlund



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