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Date:   Tue, 29 Dec 2020 17:17:21 +0100
From:   Maxime Chevallier <maxime.chevallier@...tlin.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Heiko Stuebner <heiko@...ech.de>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Cc:     Maxime Chevallier <maxime.chevallier@...tlin.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: [PATCH v5 0/3] media: rockchip: Introduce driver for Rockchip's camera interface

Hi everyone,

This is the fifth iteration of the series introducing a driver for the
PX30 camera interface.

This was previously known as the "cif" driver in other iterations, but
was renamed to "vip" following Ezequiel's advices to match the datasheet
name.

This is based on a BSP driver, and I'm not fully familiar with the media
and V4L2 frameworks, so I guess some review is still needed.

On top of the previous series, this series addresses most of the reviews
by Ezequiel (Thanks again), and was tested on a PX30 chip.

This Fifth iteration addresses some issues uncovered by the kbuild bot
and Rob's binding_check bot.

The output of v4l2-compliance for this driver is the following :

# v4l2-compliance
v4l2-compliance SHA: not available, 64 bits
  
Compliance test for rk_vip device /dev/video0:
  
Driver Info:
        Driver name      : rk_vip
        Card type        : rk_vip
        Bus info         : platform:ff490000.vip
        Driver version   : 5.11.0
        Capabilities     : 0x84201000
                Video Capture Multiplanar
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps      : 0x04201000
                Video Capture Multiplanar
                Streaming
                Extended Pix Format
Media Driver Info:
        Driver name      : rk_vip
        Model            : rk_vip
        Serial           :
        Bus info         :
        Media version    : 5.11.0
        Hardware revision: 0x00000000 (0)
        Driver version   : 5.11.0
Interface Info:
        ID               : 0x03000002
        Type             : V4L Video
Entity Info:
        ID               : 0x00000001 (1)
        Name             : video_rkvip
        Function         : V4L2 I/O
        Pad 0x01000004   : 0: Sink
          Link 0x02000009: from remote pad 0x1000006 of entity 'tw9900 2-0044': Data, Enabled
  
Required ioctls:
        test MC information (see 'Media Driver Info' above): OK
        test VIDIOC_QUERYCAP: 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 (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
        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 (Not Supported)

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)
  
Total for rk_vip device /dev/video0: 45, Succeeded: 45, Failed: 0, Warnings: 0

Once again, any review is welcome :)

Thanks a lot,

Maxime

Maxime Chevallier (3):
  media: dt-bindings: media: Document Rockchip VIP bindings
  media: rockchip: Introduce driver for Rockhip's camera interface
  arm64: dts: rockchip: Add the camera interface description of the PX30

 .../bindings/media/rockchip-vip.yaml          |  101 ++
 arch/arm64/boot/dts/rockchip/px30.dtsi        |   12 +
 drivers/media/platform/Kconfig                |   15 +
 drivers/media/platform/Makefile               |    1 +
 drivers/media/platform/rockchip/vip/Makefile  |    3 +
 drivers/media/platform/rockchip/vip/capture.c | 1146 +++++++++++++++++
 drivers/media/platform/rockchip/vip/dev.c     |  331 +++++
 drivers/media/platform/rockchip/vip/dev.h     |  203 +++
 drivers/media/platform/rockchip/vip/regs.h    |  260 ++++
 9 files changed, 2072 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/rockchip-vip.yaml
 create mode 100644 drivers/media/platform/rockchip/vip/Makefile
 create mode 100644 drivers/media/platform/rockchip/vip/capture.c
 create mode 100644 drivers/media/platform/rockchip/vip/dev.c
 create mode 100644 drivers/media/platform/rockchip/vip/dev.h
 create mode 100644 drivers/media/platform/rockchip/vip/regs.h

-- 
2.25.4

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