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Message-ID: <CA+V-a8tVjv4gtGWD55Mh8e-P2gFSXYnwP26LsDi1yj3sCfCdMA@mail.gmail.com>
Date: Mon, 20 Dec 2021 21:04:58 +0000
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Niklas Söderlund
<niklas.soderlund+renesas@...natech.se>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
linux-media <linux-media@...r.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [RFC PATCH 0/3] Add driver for Renesas RZ/G2L CRU module
On Tue, Dec 7, 2021 at 1:24 AM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
>
> Hi All,
>
> This patch series aims to add driver support to CRU module found
> on Renesas RZ/G2L SoC.
>
> The Camera Data Receiving Unit (CRU) consists of a MIPI CSI-2
> block and an Image Processing block. The Image Processing block
> can receive video data received from the external Digital Parallel
> Interface or MIPI CSI-2 block, and perform appropriate image
> processing for each.
>
> More details:
> * https://renesas.info/wiki/File:CRU.png
> * https://www.renesas.com/document/mah/
> rzg2l-group-rzg2lc-group-users-manual-hardware-0?language=en&r=1467981
>
> Currently the driver has been tested using yavta and Gstreamer
> on RZ/G2L SMARC EVK using the ov5645 sensor on CSI2 interface
> only.
>
> root@...rc-rzg2l:~# media-ctl -p
> Media controller API version 5.16.0
>
> Media device information
> ------------------------
> driver rzg2l_cru
> model renesas,rzg2l-cru
> serial
> bus info platform:10830000.video
> hw revision 0x0
> driver version 5.16.0
>
> Device topology
> - entity 1: rzg2l_cru 10830000.video (5 pads, 5 links)
> type V4L2 subdev subtype Unknown flags 0
> device node name /dev/v4l-subdev0
> pad0: Sink
> [fmt:unknown/0x0]
> <- "ov5645 0-003c":0 [ENABLED,IMMUTABLE]
> pad1: Source
> [fmt:unknown/0x0]
> -> "CRU output":0 []
> pad2: Source
> [fmt:unknown/0x0]
> -> "CRU output":0 []
> pad3: Source
> [fmt:unknown/0x0]
> -> "CRU output":0 []
> pad4: Source
> [fmt:unknown/0x0]
> -> "CRU output":0 []
>
> - entity 7: ov5645 0-003c (1 pad, 1 link)
> type V4L2 subdev subtype Sensor flags 0
> device node name /dev/v4l-subdev1
> pad0: Source
> [fmt:UYVY8_2X8/1920x1080 field:none colorspace:srgb
> crop:(0,0)/1920x1080]
> -> "rzg2l_cru 10830000.video":0 [ENABLED,IMMUTABLE]
>
> - entity 15: CRU output (1 pad, 4 links)
> type Node subtype V4L flags 0
> device node name /dev/video0
> pad0: Sink
> <- "rzg2l_cru 10830000.video":1 []
> <- "rzg2l_cru 10830000.video":2 []
> <- "rzg2l_cru 10830000.video":3 []
> <- "rzg2l_cru 10830000.video":4 []
>
> root@...rc-rzg2l:~#
> root@...rc-rzg2l:~# v4l2-compliance -s
> v4l2-compliance 1.22.1-4864, 64 bits, 64-bit time_t
> v4l2-compliance SHA: 47c8c377cf29 2021-10-23 15:12:35
>
> Compliance test for rzg2l_cru device /dev/video0:
>
> Driver Info:
> Driver name : rzg2l_cru
> Card type : RZG2L_CRU
> Bus info : platform:10830000.video
> Driver version : 5.16.0
> Capabilities : 0xa5200001
> Video Capture
> Read/Write
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x25200001
> Video Capt[ 32.432429] rzg2l-cru 10830000.video: ================= START STATUS =================
> ure
> Read/Write
> Str[ 32.442279] rzg2l-cru 10830000.video: ================== END STATUS ==================
> eaming
> Extended Pix Format
> Media Driver Info:
> Driver name : rzg2l_cru
> Model : renesas,rzg2l-cru
> Serial :
> Bus info : platform:10830000.video
> Media version : 5.16.0
> Hardware revision: 0x00000000 (0)
> Driver version : 5.16.0
> Interface Info:
> ID : 0x03000011
> Type : V4L Video
> Entity Info:
> ID : 0x0000000f (15)
> Name : CRU output
> Function : V4L2 I/O
> Pad 0x01000010 : 0: Sink
> Link 0x02000013: from remote pad 0x1000003 of entity 'rzg2l_cru 10830000.video' (Video Pixel Formatter): Data, Enabled
> Link 0x02000015: from remote pad 0x1000004 of entity 'rzg2l_cru 10830000.video' (Video Pixel Formatter): Data
> Link 0x02000017: from remote pad 0x1000005 of entity 'rzg2l_cru 10830000.video' (Video Pixel Formatter): Data
> Link 0x02000019: from remote pad 0x1000006 of entity 'rzg2l_cru 10830000.video' (Video Pixel Formatter): Data
>
> 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/video0 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
>
> 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
> test VIDIOC_G/S_AUDIO: OK (Not Supported)
> Inputs: 1 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 (Input 0):
> 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 (Input 0):
> 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 (Input 0):
> 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 (Input 0):
> 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 rzg2l_cru device /dev/video0: 53, Succeeded: 53, Failed: 0, Warnings: 0
> root@...rc-rzg2l:~#
>
> Cheers,
> Prabhakar
>
> Lad Prabhakar (3):
> media: dt-bindings: media: Document RZ/G2L CRU block
> media: platform: Add CRU driver for RZ/G2L SoC
> arm64: dts: renesas: r9a07g044: Add CRU node
>
> .../bindings/media/renesas,rzg2l-cru.yaml | 227 ++++++
> arch/arm64/boot/dts/renesas/r9a07g044.dtsi | 59 ++
> drivers/media/platform/Kconfig | 1 +
> drivers/media/platform/Makefile | 2 +
> drivers/media/platform/rzg2l-cru/Kconfig | 15 +
> drivers/media/platform/rzg2l-cru/Makefile | 4 +
> drivers/media/platform/rzg2l-cru/rzg2l-core.c | 473 ++++++++++++
> drivers/media/platform/rzg2l-cru/rzg2l-cru.h | 244 ++++++
> drivers/media/platform/rzg2l-cru/rzg2l-csi2.c | 625 ++++++++++++++++
> drivers/media/platform/rzg2l-cru/rzg2l-dma.c | 703 ++++++++++++++++++
> drivers/media/platform/rzg2l-cru/rzg2l-v4l2.c | 361 +++++++++
> 11 files changed, 2714 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> create mode 100644 drivers/media/platform/rzg2l-cru/Kconfig
> create mode 100644 drivers/media/platform/rzg2l-cru/Makefile
> create mode 100644 drivers/media/platform/rzg2l-cru/rzg2l-core.c
> create mode 100644 drivers/media/platform/rzg2l-cru/rzg2l-cru.h
> create mode 100644 drivers/media/platform/rzg2l-cru/rzg2l-csi2.c
> create mode 100644 drivers/media/platform/rzg2l-cru/rzg2l-dma.c
> create mode 100644 drivers/media/platform/rzg2l-cru/rzg2l-v4l2.c
>
Gentle ping.
Cheers,
Prabhakar
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