linux-kernel - Re: [PATCH 00/20] ASoC/soundwire: add support for ACE2.x

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Date:   Wed, 12 Apr 2023 15:37:36 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, broonie@...nel.org,
        linux-kernel@...r.kernel.org, pierre-louis.bossart@...ux.intel.com,
        bard.liao@...el.com, tiwai@...e.de
Subject: Re: [PATCH 00/20] ASoC/soundwire: add support for ACE2.x

On 23-03-23, 13:44, Bard Liao wrote:
> This series uses the abstraction added in past kernel cycles to provide
> support for the ACE2.x integration. The existing SHIM and Cadence

ACE2..?

> registers are now split in 3 (SHIM, IP, SHIM vendor-specific), with some
> parts also moved to the HDaudio Extended Multi link structures. Nothing
> fundamentally different except for the register map.
> 
> This series only provides the basic mechanisms to expose SoundWire-based
> DAIs. The PCI parts and DSP management will be contributed later, and the
> DAI ops are now empty as well.
> 
> The change is mainly on SoundWire. It would be better to go through
> SoundWire tree.
> 
> Pierre-Louis Bossart (20):
>   ASoC: SOF: Intel: shim: add enum for ACE 2.0 IP used in LunarLake
>   soundwire: intel: add ACE2.x SHIM definitions
>   soundwire: intel_ace2x: add empty new ops for LunarLake
>   soundwire/ASOC: Intel: update offsets for LunarLake
>   soundwire: intel/cadence: set ip_offset at run-time
>   ASoC/soundwire: intel: pass hdac_bus pointer for link management
>   soundwire: intel: add eml_lock in the interface for new platforms
>   ASoC: SOF: Intel: hda: retrieve SoundWire eml_lock and pass pointer
>   soundwire: intel_init: use eml_lock parameter
>   soundwire: intel_ace2x: add debugfs support
>   soundwire: intel_ace2x: add link power-up/down helpers
>   soundwire: intel_ace2x: set SYNCPRD before powering-up
>   soundwire: intel_ace2x: configure link PHY
>   soundwire: intel_ace2x: add DAI registration
>   soundwire: intel_ace2x: add sync_arm/sync_go helpers
>   soundwire: intel_ace2x: use common helpers for bus start/stop
>   soundwire: intel_ace2x: enable wake support
>   soundwire: intel_ace2x: add check_cmdsync_unlocked helper
>   soundwire: bus: add new manager callback to deal with peripheral
>     enumeration
>   soundwire: intel_ace2x: add new_peripheral_assigned callback
> 
>  drivers/soundwire/Makefile              |   3 +-
>  drivers/soundwire/bus.c                 |   3 +
>  drivers/soundwire/cadence_master.h      |   2 +
>  drivers/soundwire/intel.h               |  16 +
>  drivers/soundwire/intel_ace2x.c         | 390 ++++++++++++++++++++++++
>  drivers/soundwire/intel_ace2x_debugfs.c | 147 +++++++++
>  drivers/soundwire/intel_auxdevice.c     |  17 ++
>  drivers/soundwire/intel_init.c          |  21 +-
>  include/linux/soundwire/sdw.h           |   3 +-
>  include/linux/soundwire/sdw_intel.h     |  88 ++++++
>  sound/soc/sof/intel/hda.c               |  31 +-
>  sound/soc/sof/intel/shim.h              |   1 +
>  12 files changed, 711 insertions(+), 11 deletions(-)
>  create mode 100644 drivers/soundwire/intel_ace2x.c
>  create mode 100644 drivers/soundwire/intel_ace2x_debugfs.c
> 
> -- 
> 2.25.1

-- 
~Vinod