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Message-ID: <393ee19f-22a3-d309-11ba-51710015b518@xs4all.nl>
Date: Wed, 30 Aug 2023 12:30:13 +0200
From: Hans Verkuil <hverkuil-cisco@...all.nl>
To: Jack Zhu <jack.zhu@...rfivetech.com>,
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>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-staging@...ts.linux.dev,
changhuang.liang@...rfivetech.com
Subject: Re: [PATCH v8 0/8] Add StarFive Camera Subsystem driver
Hi Jack,
On 24/08/2023 10:01, Jack Zhu wrote:
> Hi,
>
> This series is the v8 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.
Please note that this driver no longer compiles after v4l2-async changes were
merged to our media_stage tree.
Make sure you base your v9 on top of the master branch of
https://git.linuxtv.org/media_stage.git/
Regards,
Hans
>
> ===========================================================================
> [the media graph]:
>
> digraph board {
> rankdir=TB
> n00000001 [label="{{<port0> 0} | stf_isp\n/dev/v4l-subdev0 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000001:port1 -> n00000008 [style=dashed]
> n00000004 [label="capture_raw\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
> n00000008 [label="capture_yuv\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
> n0000000e [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
> n0000000e:port1 -> n00000001:port0 [style=dashed]
> n0000000e:port1 -> n00000004 [style=dashed]
> n00000018 [label="{{} | imx219 6-0010\n/dev/v4l-subdev1 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
> n00000018:port0 -> n0000000e:port0 [style=bold]
> }
>
> [the device topology]:
>
> Media controller API version 6.5.0
>
> Media device information
> ------------------------
> driver starfive-camss
> model Starfive Camera Subsystem
> serial
> bus info platform:19840000.camss
> hw revision 0x0
> driver version 6.5.0
>
> Device topology
> - entity 1: stf_isp (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:YUYV8_1_5X8/1920x1080 field:none colorspace:srgb
> crop.bounds:(0,0)/1920x1080
> crop:(0,0)/1920x1080]
> -> "capture_yuv":0 []
>
> - entity 4: capture_raw (1 pad, 1 link)
> type Node subtype V4L flags 0
> device node name /dev/video0
> pad0: Sink
> <- "cdns_csi2rx.19800000.csi-bridge":1 []
>
> - entity 8: capture_yuv (1 pad, 1 link)
> type Node subtype V4L flags 0
> device node name /dev/video1
> pad0: Sink
> <- "stf_isp":1 []
>
> - entity 14: 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_isp":0 []
> -> "capture_raw":0 []
> pad2: Source
> pad3: Source
> pad4: Source
>
> - entity 24: imx219 6-0010 (1 pad, 1 link)
> type V4L2 subdev subtype Sensor flags 0
> device node name /dev/v4l-subdev1
> 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 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 : 6.5.0
> Capabilities : 0x84200001
> Video Capture
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x04200001
> Video Capture
> Streaming
> Extended Pix Format
> Media Driver Info:
> Driver name : starfive-camss
> Model : Starfive Camera Subsystem
> Serial :
> Bus info : platform:19840000.camss
> Media version : 6.5.0
> Hardware revision: 0x00000000 (0)
> Driver version : 6.5.0
> Interface Info:
> ID : 0x0300000a
> Type : V4L Video
> Entity Info:
> ID : 0x00000008 (8)
> Name : capture_yuv
> Function : V4L2 I/O
> Pad 0x01000009 : 0: Sink
> Link 0x0200000c: from remote pad 0x1000003 of entity 'stf_isp' (Unknown Function (00004009)): Data, Enabled
>
> 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 (Not Supported)
> 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 v8:
> - Rebased on v6.5-rc7.
> - Dropped VIN subdev.
> - Created two new video devices: capture_raw and capture_yuv, to replace
> the previous video devices.
> - Dropped VB2_READ io methods.
> - Recursively called .s_stream() on subdevs.
>
> v7 link: https://lore.kernel.org/all/20230619112838.19797-1-jack.zhu@starfivetech.com/
>
> 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.
>
> Previous version link, missing v1 version:
>
> v3: https://lore.kernel.org/all/20230331121826.96973-1-jack.zhu@starfivetech.com/
> v2: https://lore.kernel.org/all/20230310120553.60586-1-jack.zhu@starfivetech.com/
>
> Jack Zhu (8):
> media: dt-bindings: Add JH7110 Camera Subsystem
> media: admin-guide: Add starfive_camss.rst for Starfive Camera
> Subsystem
> media: staging: media: starfive: camss: Add core driver
> media: staging: media: starfive: camss: Add video driver
> media: staging: media: starfive: camss: Add ISP driver
> media: staging: media: starfive: camss: Add capture driver
> media: staging: media: starfive: camss: Add interrupt handling
> media: staging: media: starfive: camss: Register devices
>
> .../admin-guide/media/starfive_camss.rst | 72 +++
> .../media/starfive_camss_graph.dot | 12 +
> .../admin-guide/media/v4l-drivers.rst | 1 +
> .../bindings/media/starfive,jh7110-camss.yaml | 180 ++++++
> MAINTAINERS | 9 +
> drivers/staging/media/Kconfig | 2 +
> drivers/staging/media/Makefile | 1 +
> drivers/staging/media/starfive/Kconfig | 5 +
> drivers/staging/media/starfive/Makefile | 2 +
> drivers/staging/media/starfive/camss/Kconfig | 17 +
> drivers/staging/media/starfive/camss/Makefile | 13 +
> .../staging/media/starfive/camss/stf_camss.c | 432 +++++++++++++
> .../staging/media/starfive/camss/stf_camss.h | 134 ++++
> .../media/starfive/camss/stf_capture.c | 603 ++++++++++++++++++
> .../media/starfive/camss/stf_capture.h | 87 +++
> .../staging/media/starfive/camss/stf_isp.c | 407 ++++++++++++
> .../staging/media/starfive/camss/stf_isp.h | 428 +++++++++++++
> .../media/starfive/camss/stf_isp_hw_ops.c | 445 +++++++++++++
> .../staging/media/starfive/camss/stf_video.c | 557 ++++++++++++++++
> .../staging/media/starfive/camss/stf_video.h | 100 +++
> 20 files changed, 3507 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/staging/media/starfive/Kconfig
> create mode 100644 drivers/staging/media/starfive/Makefile
> create mode 100644 drivers/staging/media/starfive/camss/Kconfig
> create mode 100644 drivers/staging/media/starfive/camss/Makefile
> create mode 100644 drivers/staging/media/starfive/camss/stf_camss.c
> create mode 100644 drivers/staging/media/starfive/camss/stf_camss.h
> create mode 100644 drivers/staging/media/starfive/camss/stf_capture.c
> create mode 100644 drivers/staging/media/starfive/camss/stf_capture.h
> create mode 100644 drivers/staging/media/starfive/camss/stf_isp.c
> create mode 100644 drivers/staging/media/starfive/camss/stf_isp.h
> create mode 100644 drivers/staging/media/starfive/camss/stf_isp_hw_ops.c
> create mode 100644 drivers/staging/media/starfive/camss/stf_video.c
> create mode 100644 drivers/staging/media/starfive/camss/stf_video.h
>
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