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SubjectRe: [PATCH v3 0/4] Add Toshiba Visconti Video Input Interface driver
Hi Yuji,

On 10/08/2022 15:28, Yuji Ishikawa wrote:
> This series is the Video Input Interface driver
> for Toshiba's ARM SoC, Visconti[0].
> This provides DT binding documentation,
> device driver, documentation and MAINTAINER files.
>
> A visconti VIIF driver instance exposes
> 1 media control device file and 3 video device files
> for a VIIF hardware.
> Detailed HW/SW are described in documentation directory.
> The VIIF hardware has CSI2 receiver,
> image signal processor and DMAC inside.
> The subdevice for image signal processor provides
> vendor specific V4L2 controls.
>
> The device driver depends on two other drivers under development;
> clock framework driver and IOMMU driver.
> Corresponding features will be added later.

I'm not sure what the status is of this series. There were comments for patch 1,
and also note that patch 2 never made it to the linux-media mailinglist (too large,
it should be split up in smaller patches).

I'm marking it as 'Changes Requested' in patchwork, so please post a v4
and I will do my best to review it.

Also please ping me in the future to encourage me to review it. These are
big drivers and it takes a lot of time to review, so I have a tendency (wrong,
I know) keep postponing it. A ping helps me prioritize it.

Regards,

Hans

>
> Best regards,
> Yuji
>
> Changelog v2:
> - Resend v1 because a patch exceeds size limit.
>
> Changelog v3:
> - Add documentation to describe SW and HW
> - Adapted to media control framework
> - Introduced ISP subdevice, capture device
> - Remove private IOCTLs and add vendor specific V4L2 controls
> - Change function name avoiding camelcase and uppercase letters
>
> [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
>
> Yuji Ishikawa (4):
> dt-bindings: media: platform: visconti: Add Toshiba Visconti Video
> Input Interface bindings
> media: platform: visconti: Add Toshiba Visconti Video Input Interface
> driver
> documentation: media: add documentation for Toshiba Visconti Video
> Input Interface driver
> MAINTAINERS: Add entries for Toshiba Visconti Video Input Interface
>
> .../bindings/media/toshiba,visconti-viif.yaml | 103 +
> .../driver-api/media/drivers/index.rst | 1 +
> .../media/drivers/visconti-viif.rst | 455 +++
> MAINTAINERS | 3 +
> drivers/media/platform/Kconfig | 2 +
> drivers/media/platform/Makefile | 4 +
> drivers/media/platform/visconti/Kconfig | 9 +
> drivers/media/platform/visconti/Makefile | 9 +
> drivers/media/platform/visconti/hwd_viif.c | 1791 +++++++++++
> drivers/media/platform/visconti/hwd_viif.h | 701 +++++
> .../media/platform/visconti/hwd_viif_csi2rx.c | 723 +++++
> .../platform/visconti/hwd_viif_internal.h | 348 ++
> .../media/platform/visconti/hwd_viif_l1isp.c | 2727 ++++++++++++++++
> .../media/platform/visconti/hwd_viif_reg.h | 2802 +++++++++++++++++
> drivers/media/platform/visconti/viif.c | 479 +++
> drivers/media/platform/visconti/viif.h | 195 ++
> .../media/platform/visconti/viif_capture.c | 1215 +++++++
> .../media/platform/visconti/viif_controls.c | 1149 +++++++
> drivers/media/platform/visconti/viif_isp.c | 852 +++++
> include/uapi/linux/visconti_viif.h | 1724 ++++++++++
> 20 files changed, 15292 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/toshiba,visconti-viif.yaml
> create mode 100644 Documentation/driver-api/media/drivers/visconti-viif.rst
> create mode 100644 drivers/media/platform/visconti/Kconfig
> create mode 100644 drivers/media/platform/visconti/Makefile
> create mode 100644 drivers/media/platform/visconti/hwd_viif.c
> create mode 100644 drivers/media/platform/visconti/hwd_viif.h
> create mode 100644 drivers/media/platform/visconti/hwd_viif_csi2rx.c
> create mode 100644 drivers/media/platform/visconti/hwd_viif_internal.h
> create mode 100644 drivers/media/platform/visconti/hwd_viif_l1isp.c
> create mode 100644 drivers/media/platform/visconti/hwd_viif_reg.h
> create mode 100644 drivers/media/platform/visconti/viif.c
> create mode 100644 drivers/media/platform/visconti/viif.h
> create mode 100644 drivers/media/platform/visconti/viif_capture.c
> create mode 100644 drivers/media/platform/visconti/viif_controls.c
> create mode 100644 drivers/media/platform/visconti/viif_isp.c
> create mode 100644 include/uapi/linux/visconti_viif.h
>

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