Re: [PATCH v6 0/6] Add StarFive Camera Subsystem driver

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Hi Jack,

Thank you for the patches, I'm happy to see the ISP driver progressing.

On Thu, May 25, 2023 at 04:31:56PM +0800, Jack Zhu wrote:
> Hi,
> 
> This series is the v6 series that attempts to support the Camera Subsystem
> found on StarFive JH7110 SoC.

Could you please share the media graph for the device ? I'd like the
output of both `media-ctl --print-dot -d /dev/media0` and
`media-ctl -p -d /dev/media0` ?

Also, have you run v4l2-compliance to test the driver ? Could you please
share the v4l2-compliance output ?

> Changes in v6:
> - Added 'bus-type' in bindings example.
> - Corrected spelling errors.
> - As reviewed by Bryan, used 'nclks' and 'nrsts' variables.
> - Added lccf config for ISP.
> 
> v5 link: https://lore.kernel.org/all/20230512102844.51084-1-jack.zhu@xxxxxxxxxxxxxxxx/
> 
> Changes in v5:
> - Rebased on v6.4-rc1.
> - Added new patch.
> - Modified ISP driver.
> 
> v4 link: https://lore.kernel.org/all/20230413035541.62129-1-jack.zhu@xxxxxxxxxxxxxxxx/
> 
> Previous cover letter from v4:
> 
> This patch series adds support for the StarFive Camera Subsystem
> found on StarFive JH7110 SoC.
> 
> The driver implements V4L2, Media controller and V4L2 subdev interfaces.
> Camera sensor using V4L2 subdev interface in the kernel is supported.
> 
> The driver is tested on VisionFive V2 board with IMX219 camera sensor.
> GStreamer 1.18.5 with v4l2src plugin is supported.
> 
> Changes since v3:
> Patch 1:
> - Modified port@0 and port@1 properties.
> - Extended the port@0 example with appropriate properties.
> - Added 'port@0' for 'required'
> Patch 2:
> - Modified spelling errors.
> Patch 3:
> - Merged patch 5 into the patch with an explanation for compatible in
>   commit msg.
> Patch 6:
> - Asserted pixel_rst[i] reset in the loop after the err_disable_pixclk
>   label.
> - Modified Code Style for getting sys_rst and p_rst.
> - Renamed clk_name to name and modified the relevant code.
> Patch 9:
> - Added static for stfcamss_get_mem_res function.
> - Added static for isp_close function.
> - Fixed implicit conversion warning for stf_vin_map_isp_pad function.
> - Dropped unused variables.
> 
>   v3: https://lore.kernel.org/all/20230331121826.96973-1-jack.zhu@xxxxxxxxxxxxxxxx/
> 
> Changes since v2:
> - Rebased on v6.3-rc1.
> Patch 1:
> - Modified spelling errors.
> - Added port@0.
> - Modified '$ref' of port.
> - Added 'ports' to 'required'.
> - Dropped 'stfcamss' label in example.
> - Added port@0 in example.
> - Added MAINTAINERS file.
> Patch 2:
> - Split this patch into three new patches.
> - Modified compatible property.
> - Replaced clock names with the existing names.
> - Modified 'bus-type' and 'clock-lanes'
> - Added port@2 - port@4
> - Dropped 'csi2rx' label in example.
> Patch 3:
> - Updated rst and dot file as three pipelines were deleted.
> Patch 4:
> - Split this patch into three new patches.
> - Dropped .s_power() and .get_fmt().
> - Dropped CSI-2 DT support.
> - Dropped v4l2_device_register_subdev_nodes().
> - Used assigned-clock-rates in DT to set clk value.
> - Modified 'compatible' field.
> Patch 5:
> - Deleted three pipelines. 
> - Modified 'stfcamss_clocks'/'stfcamss_resets' struct.
> - Dropped stfcamss_find_sensor() function.
> - Removed redundant code from stfcamss_of_parse_endpoint_node().
> - Modified spelling errors.
> - Rewrote stfcamss_reg_media_subdev_node() function.
> - Modified stfcamss_subdev_notifier_bound().
> - Modified stfcamss_probe() function.
> - Dropped stfcamss_suspend() and stfcamss_resume().
> - Dropped dev_info() in stfcamss_remove() function.
> - Added 'stf_' prefix for enum subdev_type.
> - Moved all includes to the top in stf_camss.h file.
> - Dropped unused fields in stfcamss struct.
> - Replaced Custom logging macros with regular macros.
> - Rewrote register read and write functions.
> - Used lowercase for all hex constants.
> - Used macro to name registers.
> - Dropped unused ioctl and stf_isp_ioctl.h file.
> 
>   v2: https://lore.kernel.org/all/20230310120553.60586-1-jack.zhu@xxxxxxxxxxxxxxxx/
> 
> Changes since v1:
> - Deleted starfive,jh7110-mipi-csi2.yaml.
> - Converted cdns,csi2rx.txt to cdns,csi2rx.yaml and added ‘resets’
>   properties.
> - Added ‘cdns,csi2rx.yaml’ in ‘CADENCE MIPI-CSI2 BRIDGES’ entry.
> - The following contents were modified in starfive,jh7110-camss.yaml:
>   dropped quotes from ’id’ and ‘schema’; dropped ‘|’ for ‘description’;
>   corrected the wrong or redundant words: ‘a ISP’, ‘PD ISP’;
>   dropped ‘minItems’ for ‘reg’, ‘clocks’, ‘resets’ and ‘interrupts’;
>   dropped the '_clk' and 'rst_' prefix about the 'clock-names' and
>   'reset-names';
>   changed ‘endpoint@1’ to ‘endpoint’; updated examples;
> - Updated Subject for some patches.
> - Merged patch 6, 7, 8, 9, 10, 11 into one patch.
> 
> Jack Zhu (6):
>   media: dt-bindings: Add JH7110 Camera Subsystem
>   media: admin-guide: Add starfive_camss.rst for Starfive Camera
>     Subsystem
>   media: starfive: Add basic driver
>   media: starfive: Add video driver
>   media: starfive: Add ISP driver
>   media: starfive: Add VIN driver
> 
>  .../admin-guide/media/starfive_camss.rst      |   57 +
>  .../media/starfive_camss_graph.dot            |   16 +
>  .../admin-guide/media/v4l-drivers.rst         |    1 +
>  .../bindings/media/starfive,jh7110-camss.yaml |  180 +++
>  MAINTAINERS                                   |    9 +
>  drivers/media/platform/Kconfig                |    1 +
>  drivers/media/platform/Makefile               |    1 +
>  drivers/media/platform/starfive/Kconfig       |   19 +
>  drivers/media/platform/starfive/Makefile      |   14 +
>  drivers/media/platform/starfive/stf_camss.c   |  476 +++++++
>  drivers/media/platform/starfive/stf_camss.h   |  157 +++
>  drivers/media/platform/starfive/stf_common.h  |   18 +
>  drivers/media/platform/starfive/stf_isp.c     |  550 ++++++++
>  drivers/media/platform/starfive/stf_isp.h     |  483 +++++++
>  .../media/platform/starfive/stf_isp_hw_ops.c  |  468 +++++++
>  drivers/media/platform/starfive/stf_video.c   |  864 +++++++++++++
>  drivers/media/platform/starfive/stf_video.h   |   95 ++
>  drivers/media/platform/starfive/stf_vin.c     | 1134 +++++++++++++++++
>  drivers/media/platform/starfive/stf_vin.h     |  180 +++
>  .../media/platform/starfive/stf_vin_hw_ops.c  |  241 ++++
>  20 files changed, 4964 insertions(+)
>  create mode 100644 Documentation/admin-guide/media/starfive_camss.rst
>  create mode 100644 Documentation/admin-guide/media/starfive_camss_graph.dot
>  create mode 100644 Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
>  create mode 100644 drivers/media/platform/starfive/Kconfig
>  create mode 100644 drivers/media/platform/starfive/Makefile
>  create mode 100644 drivers/media/platform/starfive/stf_camss.c
>  create mode 100644 drivers/media/platform/starfive/stf_camss.h
>  create mode 100644 drivers/media/platform/starfive/stf_common.h
>  create mode 100644 drivers/media/platform/starfive/stf_isp.c
>  create mode 100644 drivers/media/platform/starfive/stf_isp.h
>  create mode 100644 drivers/media/platform/starfive/stf_isp_hw_ops.c
>  create mode 100644 drivers/media/platform/starfive/stf_video.c
>  create mode 100644 drivers/media/platform/starfive/stf_video.h
>  create mode 100644 drivers/media/platform/starfive/stf_vin.c
>  create mode 100644 drivers/media/platform/starfive/stf_vin.h
>  create mode 100644 drivers/media/platform/starfive/stf_vin_hw_ops.c

-- 
Regards,

Laurent Pinchart



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