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Message-ID: <1e38f176-4dcd-83d5-0865-f6ad65e3751d@starfivetech.com>
Date: Wed, 26 Jul 2023 15:28:54 +0800
From: Jack Zhu <jack.zhu@...rfivetech.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Robert Foss <rfoss@...nel.org>,
Todor Tomov <todor.too@...il.com>,
<bryan.odonoghue@...aro.org>, Rob Herring <robh+dt@...nel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
"Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Eugen Hristev <eugen.hristev@...labora.com>,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <changhuang.liang@...rfivetech.com>
Subject: Re: [PATCH v7 0/6] Add StarFive Camera Subsystem driver
Hi Laurent, Bryan,
Could you please help to review? Thank you for your time!
On 2023/6/19 19:28, Jack Zhu wrote:
> Hi,
>
> This series is the v7 series that attempts to support the Camera Subsystem
> found on StarFive JH7110 SoC.
>
> The following are the media graph for the device and the v4l2-compliance
> output.
>
> ===========================================================================
> [the media graph]:
>
> digraph board {
> rankdir=TB
> n00000001 [label="{{<port0> 0} | stf_isp0\n/dev/v4l-subdev0 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000001:port1 -> n0000000d:port0 [style=dashed]
> n00000004 [label="{{<port0> 0} | stf_vin0_wr\n/dev/v4l-subdev1 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000004:port1 -> n00000007 [style=bold]
> n00000007 [label="stf_vin0_wr_video0\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
> n0000000d [label="{{<port0> 0} | stf_vin0_isp0\n/dev/v4l-subdev2 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
> n0000000d:port1 -> n00000010 [style=bold]
> n00000010 [label="stf_vin0_isp0_video1\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
> n00000018 [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000018:port1 -> n00000004:port0 [style=dashed]
> n00000018:port1 -> n00000001:port0 [style=dashed]
> n00000022 [label="{{} | imx219 6-0010\n/dev/v4l-subdev3 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000022:port0 -> n00000018:port0 [style=bold]
> }
>
> [the device topology]:
>
> Media controller API version 6.4.0
>
> Media device information
> ------------------------
> driver starfive-camss
> model Starfive Camera Subsystem
> serial
> bus info platform:19840000.camss
> hw revision 0x0
> driver version 6.4.0
>
> Device topology
> - entity 1: stf_isp0 (2 pads, 2 links)
> type V4L2 subdev subtype Unknown flags 0
> device node name /dev/v4l-subdev0
> pad0: Sink
> [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb
> crop.bounds:(0,0)/1920x1080
> crop:(0,0)/1920x1080]
> <- "cdns_csi2rx.19800000.csi-bridge":1 []
> pad1: Source
> [fmt:Y12_1X12/1920x1080 field:none colorspace:srgb
> crop.bounds:(0,0)/1920x1080
> crop:(0,0)/1920x1080]
> -> "stf_vin0_isp0":0 []
>
> - entity 4: stf_vin0_wr (2 pads, 2 links)
> type V4L2 subdev subtype Unknown flags 0
> device node name /dev/v4l-subdev1
> pad0: Sink
> [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb]
> <- "cdns_csi2rx.19800000.csi-bridge":1 []
> pad1: Source
> [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb]
> -> "stf_vin0_wr_video0":0 [ENABLED,IMMUTABLE]
>
> - entity 7: stf_vin0_wr_video0 (1 pad, 1 link)
> type Node subtype V4L flags 0
> device node name /dev/video0
> pad0: Sink
> <- "stf_vin0_wr":1 [ENABLED,IMMUTABLE]
>
> - entity 13: stf_vin0_isp0 (2 pads, 2 links)
> type V4L2 subdev subtype Unknown flags 0
> device node name /dev/v4l-subdev2
> pad0: Sink
> [fmt:Y12_1X12/1920x1080 field:none colorspace:srgb]
> <- "stf_isp0":1 []
> pad1: Source
> [fmt:Y12_1X12/1920x1080 field:none colorspace:srgb]
> -> "stf_vin0_isp0_video1":0 [ENABLED,IMMUTABLE]
>
> - entity 16: stf_vin0_isp0_video1 (1 pad, 1 link)
> type Node subtype V4L flags 0
> device node name /dev/video1
> pad0: Sink
> <- "stf_vin0_isp0":1 [ENABLED,IMMUTABLE]
>
> - entity 24: cdns_csi2rx.19800000.csi-bridge (5 pads, 3 links)
> type V4L2 subdev subtype Unknown flags 0
> pad0: Sink
> <- "imx219 6-0010":0 [ENABLED,IMMUTABLE]
> pad1: Source
> -> "stf_vin0_wr":0 []
> -> "stf_isp0":0 []
> pad2: Source
> pad3: Source
> pad4: Source
>
> - entity 34: imx219 6-0010 (1 pad, 1 link)
> type V4L2 subdev subtype Sensor flags 0
> device node name /dev/v4l-subdev3
> pad0: Source
> [fmt:SRGGB10_1X10/3280x2464 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range
> crop.bounds:(8,8)/3280x2464
> crop:(8,8)/3280x2464]
> -> "cdns_csi2rx.19800000.csi-bridge":0 [ENABLED,IMMUTABLE]
>
> ===========================================================================
> [the v4l2-compliance output]:
>
> v4l2-compliance -s -d /dev/video1
> v4l2-compliance 1.24.1, 64 bits, 64-bit time_t
>
> Compliance test for stf camss device /dev/video1:
>
> Driver Info:
> Driver name : stf camss
> Card type : Starfive Camera Subsystem
> Bus info : platform:19840000.camss
> Driver version : 6.4.0
> Capabilities : 0x85200001
> Video Capture
> Read/Write
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x05200001
> Video Capture
> Read/Write
> Streaming
> Extended Pix Format
> Media Driver Info:
> Driver name : starfive-camss
> Model : Starfive Camera Subsystem
> Serial :
> Bus info : platform:19840000.camss
> Media version : 6.4.0
> Hardware revision: 0x00000000 (0)
> Driver version : 6.4.0
> Interface Info:
> ID : 0x03000012
> Type : V4L Video
> Entity Info:
> ID : 0x00000010 (16)
> Name : stf_vin0_isp0_video1
> Function : V4L2 I/O
> Pad 0x01000011 : 0: Sink
> Link 0x02000014: from remote pad 0x100000f of entity 'stf_vin0_isp0' (Video Pixel Formatter): Data, Enabled, Immutable
>
> Required ioctls:
> test MC information (see 'Media Driver Info' above): OK
> test VIDIOC_QUERYCAP: OK
> test invalid ioctls: OK
>
> Allow for multiple opens:
> test second /dev/video1 open: OK
> test VIDIOC_QUERYCAP: OK
> test VIDIOC_G/S_PRIORITY: OK
> test for unlimited opens: OK
>
> Debug ioctls:
> test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> test VIDIOC_LOG_STATUS: OK (Not Supported)
>
> Input ioctls:
> test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> test VIDIOC_ENUMAUDIO: OK (Not Supported)
> test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
> test VIDIOC_G/S_AUDIO: OK (Not Supported)
> Inputs: 0 Audio Inputs: 0 Tuners: 0
>
> Output ioctls:
> test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> Outputs: 0 Audio Outputs: 0 Modulators: 0
>
> Input/Output configuration ioctls:
> test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> test VIDIOC_G/S_EDID: OK (Not Supported)
>
> Control ioctls:
> test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported)
> test VIDIOC_QUERYCTRL: OK (Not Supported)
> test VIDIOC_G/S_CTRL: OK (Not Supported)
> test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported)
> test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported)
> test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> Standard Controls: 0 Private Controls: 0
>
> Format ioctls:
> test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> test VIDIOC_G/S_PARM: OK (Not Supported)
> test VIDIOC_G_FBUF: OK (Not Supported)
> test VIDIOC_G_FMT: OK
> test VIDIOC_TRY_FMT: OK
> test VIDIOC_S_FMT: OK
> test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> test Cropping: OK (Not Supported)
> test Composing: OK (Not Supported)
> test Scaling: OK
>
> Codec ioctls:
> test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
>
> Buffer ioctls:
> test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
> test VIDIOC_EXPBUF: OK
> test Requests: OK (Not Supported)
>
> Test input 0:
>
> Streaming ioctls:
> test read/write: OK
> test blocking wait: OK
> test MMAP (no poll): OK
> test MMAP (select): OK
> test MMAP (epoll): OK
> test USERPTR (no poll): OK (Not Supported)
> test USERPTR (select): OK (Not Supported)
> test DMABUF: Cannot test, specify --expbuf-device
>
> Total for stf camss device /dev/video1: 53, Succeeded: 53, Failed: 0, Warnings: 0
>
> ===========================================================================
>
> Changes in v7:
> - HAS_DMA is used instead of DMA_CMA in Kconfig.
> - Dropped some non-essential member variables.
> - Used v4l2_async_nf_add_fwnode_remote() to simplify the relevant code.
> - Modified some Local variable types in the function.
> - Used v4l2_create_fwnode_links_to_pad() to simplify the relevant code.
> - Added error handling for clk_prepare_enable().
> - Simplified stfcamss_format_info struct and modified the relevant code.
> - Dropped enum_input, g_input and s_input.
> - Unified v4l2_ioctl_ops struct.
> - Used v4l2_fh_open()/vb2_fop_release to replace deprecated APIs.
> - Added a camss directory under the starfive directory and modified the
> patch title.
>
> v6 link: https://lore.kernel.org/all/20230525083202.67933-1-jack.zhu@starfivetech.com/
>
> 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@starfivetech.com/
>
> 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@starfivetech.com/
>
> 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@starfivetech.com/
>
> 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@starfivetech.com/
>
> 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: camss: Add basic driver
> media: starfive: camss: Add video driver
> media: starfive: camss: Add ISP driver
> media: starfive: camss: 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 | 5 +
> drivers/media/platform/starfive/Makefile | 2 +
> drivers/media/platform/starfive/camss/Kconfig | 16 +
> .../media/platform/starfive/camss/Makefile | 14 +
> .../media/platform/starfive/camss/stf_camss.c | 444 +++++++
> .../media/platform/starfive/camss/stf_camss.h | 151 +++
> .../media/platform/starfive/camss/stf_isp.c | 519 ++++++++
> .../media/platform/starfive/camss/stf_isp.h | 479 ++++++++
> .../platform/starfive/camss/stf_isp_hw_ops.c | 468 ++++++++
> .../media/platform/starfive/camss/stf_video.c | 724 +++++++++++
> .../media/platform/starfive/camss/stf_video.h | 92 ++
> .../media/platform/starfive/camss/stf_vin.c | 1069 +++++++++++++++++
> .../media/platform/starfive/camss/stf_vin.h | 173 +++
> .../platform/starfive/camss/stf_vin_hw_ops.c | 192 +++
> 21 files changed, 4613 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/camss/Kconfig
> create mode 100644 drivers/media/platform/starfive/camss/Makefile
> create mode 100644 drivers/media/platform/starfive/camss/stf_camss.c
> create mode 100644 drivers/media/platform/starfive/camss/stf_camss.h
> create mode 100644 drivers/media/platform/starfive/camss/stf_isp.c
> create mode 100644 drivers/media/platform/starfive/camss/stf_isp.h
> create mode 100644 drivers/media/platform/starfive/camss/stf_isp_hw_ops.c
> create mode 100644 drivers/media/platform/starfive/camss/stf_video.c
> create mode 100644 drivers/media/platform/starfive/camss/stf_video.h
> create mode 100644 drivers/media/platform/starfive/camss/stf_vin.c
> create mode 100644 drivers/media/platform/starfive/camss/stf_vin.h
> create mode 100644 drivers/media/platform/starfive/camss/stf_vin_hw_ops.c
>
--
Regards,
Jack Zhu
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