linux-kernel - [PATCH v2 0/5] regmap/SoundWire/ASoC: Add SoundWire SDCA support

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Message-Id: <20201130144020.19757-1-yung-chuan.liao@linux.intel.com>
Date:   Mon, 30 Nov 2020 22:40:15 +0800
From:   Bard Liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org, tiwai@...e.de,
        broonie@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, rander.wang@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, hui.wang@...onical.com,
        pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com,
        bard.liao@...el.com
Subject: [PATCH v2 0/5] regmap/SoundWire/ASoC: Add SoundWire SDCA support

The MIPI SoundWire Device Class standard will define audio functionality
beyond the scope of the existing SoundWire 1.2 standard, which is limited
to the bus and interface.

The description is inspired by the USB Audio Class, with "functions",
"entities", "control selectors", "audio clusters". The main difference
with the USB Audio class is that the devices are typically on a motherboard
and descriptors stored in platform firmware instead of being retrieved
from the device.

The current set of devices managed in this patchset are conformant with the
SDCA 0.6 specification and require dedicated drivers since the descriptors
and platform firmware specification is not complete at this time. They do
however rely on the hierarchical addressing required by the SDCA standard.
Future devices conformant with SDCA 1.0 should rely on a class driver.

This series adds support for the hierarchical SDCA addressing and extends
regmap. It then provides 3 codecs for RT711-sdca headset codec, RT1316
amplifier and RT715-scda microphone codec.

Note that the release of this code before the formal adoption of the
SDCA 1.0 specification was formally endorsed by the MIPI Board to make
sure there is no delay for Linux-based support of this specification.

v2:
- rt715-sdca: Use rt715_sdca prefix to avoid compiling issue.
- rt715-sdca: Merge multiple mute/volume operation into single mute/volume
  operation
- rt711-sdca: Initial ret = 0 as it could be used uninitialized.

Jack Yu (1):
  ASoC/SoundWire: rt715-sdca: First version of rt715 sdw sdca codec
    driver

Pierre-Louis Bossart (2):
  soundwire: SDCA: add helper macro to access controls
  regmap/SoundWire: sdw: add support for SoundWire 1.2 MBQ

Shuming Fan (2):
  ASoC/SoundWire: rt1316: Add RT1316 SDCA vendor-specific driver
  ASoC/SoundWire: rt711-sdca: Add RT711 SDCA vendor-specific driver

 drivers/base/regmap/Kconfig             |    6 +-
 drivers/base/regmap/Makefile            |    1 +
 drivers/base/regmap/regmap-sdw-mbq.c    |  101 ++
 include/linux/regmap.h                  |   35 +
 include/linux/soundwire/sdw_registers.h |   32 +
 sound/soc/codecs/Kconfig                |   20 +
 sound/soc/codecs/Makefile               |    6 +
 sound/soc/codecs/rt1316-sdw.c           |  756 ++++++++++++
 sound/soc/codecs/rt1316-sdw.h           |  115 ++
 sound/soc/codecs/rt711-sdca-sdw.c       |  424 +++++++
 sound/soc/codecs/rt711-sdca-sdw.h       |  101 ++
 sound/soc/codecs/rt711-sdca.c           | 1482 +++++++++++++++++++++++
 sound/soc/codecs/rt711-sdca.h           |  246 ++++
 sound/soc/codecs/rt715-sdca-sdw.c       |  278 +++++
 sound/soc/codecs/rt715-sdca-sdw.h       |  170 +++
 sound/soc/codecs/rt715-sdca.c           |  947 +++++++++++++++
 sound/soc/codecs/rt715-sdca.h           |  124 ++
 17 files changed, 4843 insertions(+), 1 deletion(-)
 create mode 100644 drivers/base/regmap/regmap-sdw-mbq.c
 create mode 100644 sound/soc/codecs/rt1316-sdw.c
 create mode 100644 sound/soc/codecs/rt1316-sdw.h
 create mode 100644 sound/soc/codecs/rt711-sdca-sdw.c
 create mode 100644 sound/soc/codecs/rt711-sdca-sdw.h
 create mode 100644 sound/soc/codecs/rt711-sdca.c
 create mode 100644 sound/soc/codecs/rt711-sdca.h
 create mode 100644 sound/soc/codecs/rt715-sdca-sdw.c
 create mode 100644 sound/soc/codecs/rt715-sdca-sdw.h
 create mode 100644 sound/soc/codecs/rt715-sdca.c
 create mode 100644 sound/soc/codecs/rt715-sdca.h

-- 
2.17.1