[alsa-devel] [RFC 00/19] Enable platform HDA drivers

[Takashi Iwai]

At Sat, 1 Mar 2014 01:37:00 -0800,
Dylan Reid wrote:
> 
> Thanks Takashi,
> 
> If you could merge this except for the last one, that would be great. I'll
> send an updated patch for the Tegra driver next week.

OK, I merged the patches now to for-next branch and pushed out.


thanks,

Takashi

> 
> Dylan
> On Mar 1, 2014 1:07 AM, "Takashi Iwai" <tiwai at suse.de> wrote:
> 
> > At Fri, 28 Feb 2014 15:41:11 -0800,
> > Dylan Reid wrote:
> > >
> > > This series rearranges some code in the HDA driver to break
> > > dependencies on PCI and allow for most of the HDA code to be reused
> > > for non-PCI based HDA controllers.
> > >
> > > I tried to break it up to make it less scary and to keep changes away
> > > from copies of code.  It is mostly copies with a few modifications to
> > > make more of the code usable by both HDA drivers.  The main changes
> > > were to avoid using pci to get a device pointer, and to make the bus
> > > reads/writes into callbacks so that the Tegra driver could ensure
> > > 32-bit access to the HDA registers.
> > >
> > > The final patch is a work in progress included here to provide context
> > > for the preceding patches.  The Tegra HDA driver still needs some
> > > cleaning up, but nothing that will affect the other changes.  The last
> > > infrastructure issue is that the Tegra driver uses DT, causing it to be
> > > probed before the codec patches.  I haven't determined how to fix that
> > > yet.
> > >
> > > I didn't include the patch to move the hda directory from under pci
> > > because of its size and how easy it will be to regenerate later.
> > >
> > > Thanks for looking.  Let me know if you think any of these should be
> > > squashed or re-ordered and if the changes and breakup of code makes
> > > sense.
> > >
> > > Change since v1:
> > >
> > >  - Rename hda_shared to hda_controller
> > >  - Add more 'ops' to break out hda_intel specific functions, such as
> > >    postponed interrupt handling and page allocation
> > >  - Re order a few patches to make rebases easier
> > >  - Make bdl_pos_adj optional
> > >  - I left the position fix code in hda_controller, I don't have a good
> > >    way to test a refactoring of that, there are a few combinations of
> > >    settings. It will probably be useful to other controllers as well,
> > >    but moving it wouldn't be hard if we really want to.
> >
> > This version looks good enough to me for merge.  Should I merge them
> > now except for patch 19?  Or would you like keep them until Tegra
> > driver is finished?
> >
> >
> > thanks,
> >
> > Takashi
> >
> > >
> > > Thanks again,
> > >
> > > Dylan
> > >
> > > --
> > > Dylan Reid (19):
> > >   ALSA: hda - Move some definitions to new hda_priv.h
> > >   ALSA: hda - Allow different ops to read/write registers
> > >   ALSA: hda - Keep pointer to bdl_pos_fix in chip struct
> > >   ALSA: hda - Store device pointer in chip structure
> > >   ALSA: hda - Move pcm ops and support funcs to shared file
> > >   ALSA: hda - Pull pages allocation to shared file
> > >   ALSA: hda - Move the dsp loader to hda_shared
> > >   ALSA: hda - Add function pointer for disabling MSI
> > >   ALSA: hda - Relocate RIRB/CORB interface to hda_shared
> > >   ALSA: hda - move alloc_cmd_io to hda_shared.
> > >   ALSA: hda - Move low level functions to hda_shared
> > >   ALSA: hda - remove unused clear of STATESTS
> > >   ALSA: hda - Move azx_interrupt to hda_shared
> > >   ALSA: hda - Add jackpoll_ms to struct azx
> > >   ALSA: hda - Pass max_slots and power_save to codec_create
> > >   ALSA: hda - Move codec create to hda_shared
> > >   ALSA: core - Define snd_pci_quirk without CONFIG_PCI
> > >   ALSA: hda - remove PCI dependency in Kconfig
> > >   WIP: ALSA: hda - Add driver for Tegra SoC HDA
> > >
> > >  include/sound/core.h       |   15 +-
> > >  sound/pci/Kconfig          |    4 +-
> > >  sound/pci/hda/Kconfig      |   55 +-
> > >  sound/pci/hda/Makefile     |    8 +-
> > >  sound/pci/hda/hda_intel.c  | 2832
> > +++-----------------------------------------
> > >  sound/pci/hda/hda_priv.h   |  446 +++++++
> > >  sound/pci/hda/hda_shared.c | 2175 ++++++++++++++++++++++++++++++++++
> > >  sound/pci/hda/hda_shared.h |   52 +
> > >  sound/pci/hda/hda_tegra.c  |  858 ++++++++++++++
> > >  9 files changed, 3778 insertions(+), 2667 deletions(-)
> > >  create mode 100644 sound/pci/hda/hda_priv.h
> > >  create mode 100644 sound/pci/hda/hda_shared.c
> > >  create mode 100644 sound/pci/hda/hda_shared.h
> > >  create mode 100644 sound/pci/hda/hda_tegra.c
> > >
> > > --
> > > 1.8.1.3.605.g02339dd
> > >
> >
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