Re: [RFC PATCH V2 0/4] media: support Mediatek sensor interface driver

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Hello Louis,

On Sun, May 12, 2019 at 02:00:01PM +0800, Louis Kuo wrote:
> Hello,
> 
> This is the RFC patch adding Sensor Inferface(seninf) driver on
> Mediatek mt8183 SoC, which will be used in camera features on CrOS application.
> It belongs to the first Mediatek's camera driver series based on V4L2 and media controller framework.
> I posted the main part of the seninf driver as RFC to discuss first and would like some review comments
> on the overall structure of the driver.
> 
> The driver is implemented with V4L2 framework.
> 1. Register as a V4L2 sub-device.
> 2. Only one entity with sink pads linked to camera sensors for choosing desired camera sensor by setup link
>    and with source pads linked to cam-io for routing different types of decoded packet datas to PASS1 driver
>    to generate sensor image frame and meta-data.
> 
> The overall file structure of the seninf driver is as following:
> 
> * mtk_seninf.c: Implement software and HW control flow of seninf driver.
> * mtk_seninf_def.h: Define data structure and enumeration.
> * mtk_seninf_reg.h: Define HW register R/W macros and HW register names.
> 
> [ v2: use recommended coding style, fix v4l2-compliance issue, add v4l2 async notifier operations, remove redundant code]

Thanks for the style fixes. I made a number of review comments on V1 of
the driver patch. Please take a look at those if you haven't already.

> 
>   media: platform: mtk-isp: Add Mediatek sensor interface driver
>   media: platform: Add Mediatek sensor interface driver KConfig
>   dt-bindings: mt8183: Add sensor interface dt-bindings
>   dts: arm64: mt8183: Add sensor interface nodes
> 
>  .../bindings/media/mediatek-seninf.txt        |   52 +
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi      |   34 +
>  drivers/media/platform/Makefile               |    2 +
>  drivers/media/platform/mtk-isp/Kconfig        |   16 +
>  drivers/media/platform/mtk-isp/Makefile       |   14 +
>  .../media/platform/mtk-isp/isp_50/Makefile    |   17 +
>  .../platform/mtk-isp/isp_50/seninf/Makefile   |    4 +
>  .../mtk-isp/isp_50/seninf/mtk_seninf.c        | 1366 +++++++++++++++++
>  .../mtk-isp/isp_50/seninf/mtk_seninf_def.h    |  170 ++
>  .../mtk-isp/isp_50/seninf/mtk_seninf_reg.h    |  992 ++++++++++++
>  10 files changed, 2667 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek-seninf.txt
>  create mode 100644 drivers/media/platform/mtk-isp/Kconfig
>  create mode 100644 drivers/media/platform/mtk-isp/Makefile
>  create mode 100644 drivers/media/platform/mtk-isp/isp_50/Makefile
>  create mode 100644 drivers/media/platform/mtk-isp/isp_50/seninf/Makefile
>  create mode 100644 drivers/media/platform/mtk-isp/isp_50/seninf/mtk_seninf.c
>  create mode 100644 drivers/media/platform/mtk-isp/isp_50/seninf/mtk_seninf_def.h
>  create mode 100644 drivers/media/platform/mtk-isp/isp_50/seninf/mtk_seninf_reg.h
> 
> 



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