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Date: Tue, 7 Dec 2021 01:23:48 +0000
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To: 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>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [RFC PATCH 0/3] Add driver for Renesas RZ/G2L CRU module
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
--
2.17.1
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