[PATCH v4 0/5] Add Arm Mali-C55 Image Signal Processor Driver

From: Daniel Scally <dan.scally@ideasonboard.com>
To: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: jacopo.mondi@ideasonboard.com, nayden.kanchev@arm.com,
	robh+dt@kernel.org, mchehab@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	jerome.forissier@linaro.org, kieran.bingham@ideasonboard.com,
	laurent.pinchart@ideasonboard.com,
	Daniel Scally <dan.scally@ideasonboard.com>
Subject: [PATCH v4 0/5] Add Arm Mali-C55 Image Signal Processor Driver
Date: Thu, 18 Apr 2024 10:08:20 +0100	[thread overview]
Message-ID: <20240418090825.624747-1-dan.scally@ideasonboard.com> (raw)

Hello all

This patchset introduces a driver for Arm's Mali-C55 Image Signal Processor.
The driver uses the media controller API and in this initial support implements
both of the ISP's capture pipelines allowing a range of output formats plus
downscaling and cropping. The capture pipelines are named "Full resolution" and
"Downscale" and so abbreviated FR and DS throughout the driver.

The driver exposes 4 V4L2 subdevices:

- mali-c55 isp: input data formatting
- mali-c55 tpg: test pattern generator (modeled as a camera sensor entity)
- mali-c55 resizer fr: downscale / crop and format setting for the FR pipe
- mali-c55 resizer ds: downscale / crop and format setting for the DS pipe

Conspicuously missing from the list are subdevices for the ISP's statistics and
parameters; work is progressing in these areas and we plan on introducing them
in later series on top of this one.

Thanks
Dan

Daniel Scally (5):
  media: uapi: Add MEDIA_BUS_FMT_RGB202020_1X60 format code
  dt-bindings: media: Add bindings for ARM mali-c55
  media: mali-c55: Add Mali-C55 ISP driver
  media: Documentation: Add Mali-C55 ISP Documentation
  MAINTAINERS: Add entry for mali-c55 driver

 .../admin-guide/media/mali-c55-graph.dot      |  19 +
 Documentation/admin-guide/media/mali-c55.rst  | 329 ++++++
 .../admin-guide/media/v4l-drivers.rst         |   1 +
 .../bindings/media/arm,mali-c55.yaml          |  66 ++
 .../media/v4l/subdev-formats.rst              | 168 +++
 MAINTAINERS                                   |  10 +
 drivers/media/platform/Kconfig                |   1 +
 drivers/media/platform/Makefile               |   1 +
 drivers/media/platform/arm/Kconfig            |   5 +
 drivers/media/platform/arm/Makefile           |   2 +
 drivers/media/platform/arm/mali-c55/Kconfig   |  18 +
 drivers/media/platform/arm/mali-c55/Makefile  |   9 +
 .../platform/arm/mali-c55/mali-c55-capture.c  | 955 ++++++++++++++++++
 .../platform/arm/mali-c55/mali-c55-common.h   | 266 +++++
 .../platform/arm/mali-c55/mali-c55-core.c     | 748 ++++++++++++++
 .../platform/arm/mali-c55/mali-c55-isp.c      | 701 +++++++++++++
 .../arm/mali-c55/mali-c55-registers.h         | 180 ++++
 .../arm/mali-c55/mali-c55-resizer-coefs.h     | 382 +++++++
 .../platform/arm/mali-c55/mali-c55-resizer.c  | 740 ++++++++++++++
 .../platform/arm/mali-c55/mali-c55-tpg.c      | 424 ++++++++
 include/uapi/linux/media-bus-format.h         |   3 +-
 21 files changed, 5027 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/admin-guide/media/mali-c55-graph.dot
 create mode 100644 Documentation/admin-guide/media/mali-c55.rst
 create mode 100644 Documentation/devicetree/bindings/media/arm,mali-c55.yaml
 create mode 100644 drivers/media/platform/arm/Kconfig
 create mode 100644 drivers/media/platform/arm/Makefile
 create mode 100644 drivers/media/platform/arm/mali-c55/Kconfig
 create mode 100644 drivers/media/platform/arm/mali-c55/Makefile
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-capture.c
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-common.h
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-core.c
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-isp.c
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-registers.h
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-resizer-coefs.h
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-resizer.c
 create mode 100644 drivers/media/platform/arm/mali-c55/mali-c55-tpg.c

-- 
2.34.1