Qeury regarding EAC driver for omap 24xx

Qeury regarding EAC driver for omap 24xx

[Pharaoh .]

Hi

I am referring the EAC driver for omap 24xx which is used by n800 board. The
EAC 24xx driver
doesn't look complete since it has only hardware init sequences and very
basic ALSA related
functionalities i.e. register the sound card etc. Is omap 24xx eac driver
still in intermediate stage?Or
it is complete but not yet integrated in to omap git tree? In later case,
where can I find the complete
eac driver?

Also, omap 24xx driver doesn't seem to follow the framework/structure of
other omap alsa
drivers in sound/arm/omap/ , any particular reason?  Please enlighten.

Re: Qeury regarding EAC driver for omap 24xx

[Jarkko Nikula]

On Wed, 6 Jun 2007 16:32:24 +0530
"ext Pharaoh ." <pharaoh137@gmail.com> wrote:

> I am referring the EAC driver for omap 24xx which is used by n800
> board. The EAC 24xx driver
> doesn't look complete since it has only hardware init sequences and
> very basic ALSA related
> functionalities i.e. register the sound card etc. Is omap 24xx eac
> driver still in intermediate stage?Or
> it is complete but not yet integrated in to omap git tree? In later
> case, where can I find the complete
> eac driver?
> 
That's correct, it is mainly targeted for N800 where audio is coming
from DSP side and driver is only charge of configuring digital audio
interface and doing runtime clock and codec power management.

I agree that native EAC ALSA PCM support would be nice but unfortunately
we don't have any progress on that developing it.

> Also, omap 24xx driver doesn't seem to follow the framework/structure
> of other omap alsa
> drivers in sound/arm/omap/ , any particular reason?  Please enlighten.
>
I think drivers in sound/arm/omap are somewhat "adrift". Codec drivers
are tightly coupled into OMAP, they implement same global functions so
that you cannot link them together, no clear separation between audio
controller and codec, etc.

Hopefully we see gradually those drivers ported into ASoC platform and
codec drivers in order to get some change to get them into mainline.


	Jarkko

Re: Qeury regarding EAC driver for omap 24xx

[Pharaoh .]

Thanks Jarkko.

On 6/6/07, Jarkko Nikula <jarkko.nikula@nokia.com> wrote:
> On Wed, 6 Jun 2007 16:32:24 +0530
> "ext Pharaoh ." <pharaoh137@gmail.com> wrote:
>
> > I am referring the EAC driver for omap 24xx which is used by n800
> > board. The EAC 24xx driver
> > doesn't look complete since it has only hardware init sequences and
> > very basic ALSA related
> > functionalities i.e. register the sound card etc. Is omap 24xx eac
> > driver still in intermediate stage?Or
> > it is complete but not yet integrated in to omap git tree? In later
> > case, where can I find the complete
> > eac driver?
> >
> That's correct, it is mainly targeted for N800 where audio is coming
> from DSP side and driver is only charge of configuring digital audio
> interface and doing runtime clock and codec power management.
>
> I agree that native EAC ALSA PCM support would be nice but unfortunately
> we don't have any progress on that developing it.
>
> > Also, omap 24xx driver doesn't seem to follow the framework/structure
> > of other omap alsa
> > drivers in sound/arm/omap/ , any particular reason?  Please enlighten.
> >
> I think drivers in sound/arm/omap are somewhat "adrift". Codec drivers
> are tightly coupled into OMAP, they implement same global functions so
> that you cannot link them together, no clear separation between audio
> controller and codec, etc.
>
> Hopefully we see gradually those drivers ported into ASoC platform and
> codec drivers in order to get some change to get them into mainline.
>
>
> 	Jarkko
>

Re: Qeury regarding EAC driver for omap 24xx

[Dmitry Krivoschekov]

Hi Jarrko,

Jarkko Nikula wrote:
> I think drivers in sound/arm/omap are somewhat "adrift". Codec drivers
> are tightly coupled into OMAP, they implement same global functions so
> that you cannot link them together, no clear separation between audio
> controller and codec, etc.
>
> Hopefully we see gradually those drivers ported into ASoC platform and
> codec drivers in order to get some change to get them into mainline.
>
yes, it would be great to port sound/arm/omap stuff to ASoC framework,
do you have any plans (or maybe already working) on this?

Thanks,
Dmitry

Re: Qeury regarding EAC driver for omap 24xx

[Jarkko Nikula]

On Wed, 06 Jun 2007 16:51:51 +0400
"ext Dmitry Krivoschekov" <dmitry.krivoschekov@gmail.com> wrote:

> > Hopefully we see gradually those drivers ported into ASoC platform and
> > codec drivers in order to get some change to get them into mainline.
> >
> yes, it would be great to port sound/arm/omap stuff to ASoC framework,
> do you have any plans (or maybe already working) on this?
> 
Unfortunately not in near future.


	Jarkko