linux-kernel - [PATCH v3 00/33] media: atmel: atmel-isc: add support for xisc

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Message-ID: <20210413105731.610028-1-eugen.hristev@microchip.com>
Date:   Tue, 13 Apr 2021 13:56:58 +0300
From:   Eugen Hristev <eugen.hristev@...rochip.com>
To:     <devicetree@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <jacopo@...ndi.org>, <robh+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Eugen Hristev <eugen.hristev@...rochip.com>
Subject: [PATCH v3 00/33] media: atmel: atmel-isc: add support for xisc

Hello,

This series adds support for a variant of the ISC named XISC.
This block is present in the product named sama7g5.

I started by moving code around, the code which was specialized for sama5d2
type of ISC, to have it inside the dedicated sama5d2 file.

I added several new pipeline elements to the code base, which would be common
to sama5d2 and the new sama7g5, but only used by the new style pipeline.

I separated the input and output formats on a per-product separate array.

I added the new sama7g5 compatible driver for the xisc, which is similar with
the sama5d2, but with differences in terms of DT, clocks and callbacks to
specific operations.

I converted the atmel-isc binding to yaml format, and added the new binding in yaml
format.

Feedback is appreciated.
Thanks,
Eugen

Changes in v3:
- Adapted commit messages for several commits to explain several acronyms, especially
for submodule names
- Converted atmel-isc binding to yaml
- Converted microchip-xisc binding to yaml
- Updated MAINTAINERS

Changes in v2:
- Fixed krobot warnings with W=1 regarding functions with no prototype
- Fixed new sama7g5 driver to use the new subdev fwnode API in kernel 5.12. my driver was
based on old 5.10 style API.

Eugen Hristev (33):
  media: atmel: atmel-isc: specialize gamma table into product specific
  media: atmel: atmel-isc: specialize driver name constant
  media: atmel: atmel-isc: add checks for limiting frame sizes
  media: atmel: atmel-isc: specialize max width and max height
  media: atmel: atmel-isc: specialize dma cfg
  media: atmel: atmel-isc: extract CSC submodule config into separate
    function
  media: atmel: atmel-isc-base: add id to clock debug message
  media: atmel: atmel-isc: create register offsets struct
  media: atmel: atmel-isc: extract CBC submodule config into separate
    function
  media: atmel: atmel-isc: add CBC to the reg offsets struct
  media: atmel: atmel-isc: add SUB422 and SUB420 to register offsets
  media: atmel: atmel-isc: add RLP to register offsets
  media: atmel: atmel-isc: add HIS to register offsets
  media: atmel: atmel-isc: add DMA to register offsets
  media: atmel: atmel-isc: add support for version register
  media: atmel: atmel-isc: add his_entry to register offsets
  media: atmel: atmel-isc: add register description for additional
    modules
  media: atmel: atmel-isc: extend pipeline with extra modules
  media: atmel: atmel-isc: add CC initialization function
  media: atmel: atmel-isc: create product specific v4l2 controls config
  media: atmel: atmel-isc: create callback for DPC submodule product
    specific
  media: atmel: atmel-isc: create callback for GAM submodule product
    specific
  media: atmel: atmel-isc: create callback for RLP submodule product
    specific
  media: atmel: atmel-isc: move the formats list into product specific
    code
  media: atmel: atmel-isc: create an adapt pipeline callback for product
    specific
  media: atmel: atmel-isc-regs: add additional fields for sama7g5 type
    pipeline
  media: atmel: atmel-isc-base: add support for more formats and
    additional pipeline modules
  media: atmel: atmel-isc-sama5d2: remove duplicate define
  dt-bindings: media: atmel-isc: convert to yaml
  dt-bindings: media: add microchip,xisc device bindings
  media: atmel: atmel-isc: add microchip-xisc driver
  MAINTAINERS: update ISC driver bindings file
  MAINTAINERS: add xisc files to isc driver entry

 .../devicetree/bindings/media/atmel,isc.yaml  | 115 ++++
 .../devicetree/bindings/media/atmel-isc.txt   |  65 --
 .../bindings/media/microchip,xisc.yaml        | 129 ++++
 MAINTAINERS                                   |   4 +-
 drivers/media/platform/Makefile               |   1 +
 drivers/media/platform/atmel/Kconfig          |  11 +
 drivers/media/platform/atmel/Makefile         |   2 +
 drivers/media/platform/atmel/atmel-isc-base.c | 381 ++++-------
 drivers/media/platform/atmel/atmel-isc-regs.h | 133 +++-
 drivers/media/platform/atmel/atmel-isc.h      | 122 +++-
 .../media/platform/atmel/atmel-sama5d2-isc.c  | 311 ++++++++-
 .../media/platform/atmel/atmel-sama7g5-isc.c  | 643 ++++++++++++++++++
 12 files changed, 1574 insertions(+), 343 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/media/atmel,isc.yaml
 delete mode 100644 Documentation/devicetree/bindings/media/atmel-isc.txt
 create mode 100644 Documentation/devicetree/bindings/media/microchip,xisc.yaml
 create mode 100644 drivers/media/platform/atmel/atmel-sama7g5-isc.c

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2.25.1