Re: [PATCH v7 0/7] Add V4L2 SDR (DRIF & MAX2175) driver

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Hi Ramesh,

Can you post a patch on top of this series adding entries for these two
drivers to the MAINTAINERS file?

That's missing in this series.

Thanks!

	Hans

On 06/09/2017 05:07 PM, Ramesh Shanmugasundaram wrote:
Hi Mauro, Hans,

This patch set contains two drivers
  - Renesas R-Car Digital Radio Interface (DRIF) driver
  - Maxim's MAX2175 RF to Bits tuner driver

These patches were based on top of media_tree.
commit: 47f910f0e0deb880c2114811f7ea1ec115a19ee4

These two drivers combined together expose a V4L2 SDR device that is compliant
with the V4L2 framework [1]. Agreed review comments are incorporated in this
series.

The rcar_drif device is modelled using "renesas,bonding" property. The
discussion on this property is available here [2].

Change history:

v6 -> v7:
  - MAX2175 I2S enable/disable control is made private (Mauro #v4l)
  - Added COMPILE_TEST to rcar_drif in Kconfig (Hans)

v5 -> v6:
  - Addressed Sakari's comments & rebased to his branch.
  - Used fwnode_ instead of of_ apis whereever applicable.

v4 -> v5:
  - Minor documentation changes. Refer individual patches.

v3 -> v4:
  - Added ACKs
rcar_drif:
  - Incorporated a number of review comments from Laurent on DRIF driver.
  - Addressed comments from Rob and Laurent on bindings.
max2175:
  - Minor changes addressing Hans and Laurent's comments

v2 -> v3:
rcar_drif:
  - Reduced DRIF DT properties to expose tested I2S mode only (Hans - discussion on #v4l)
  - Fixed error path clean up of ctrl_hdl on rcar_drif

v1 -> v2:
  - SDR formats renamed as "planar" instead of sliced (Hans)
  - Documentation formatting correction (Laurent)

  rcar_drif:
  - DT model using "bonding" property
  - Addressed Laurent's coments on bindings - DT optional parameters rename & rework
  - Addressed Han's comments on driver
  - Addressed Geert's comments on DT

  max2175:
  - Avoided scaling using method proposed by Antti. Thanks
  - Bindings is a separate patch (Rob)
  - Addressed Rob's comment on bindings
  - Added Custom controls documentation (Laurent)

[1] v4l2-compliance report:
root@salvator-x:~# v4l2-compliance -S /dev/swradio0
v4l2-compliance SHA   : d57bb8af0c71d82b702e35a7362aa077189dd593

Driver Info:
         Driver name   : rcar_drif
         Card type     : R-Car DRIF
         Bus info      : platform:R-Car DRIF
         Driver version: 4.12.0
         Capabilities  : 0x85310000
                 SDR Capture
                 Tuner
                 Read/Write
                 Streaming
                 Extended Pix Format
                 Device Capabilities
         Device Caps   : 0x05310000
                 SDR Capture
                 Tuner
                 Read/Write
                 Streaming
                 Extended Pix Format

Compliance test for device /dev/swradio0 (not using libv4l2):

Required ioctls:
         test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
         test second sdr 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
         test VIDIOC_LOG_STATUS: OK

Input ioctls:
         test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK
         test VIDIOC_G/S_FREQUENCY: OK
         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: 1

Output ioctls:
         test VIDIOC_G/S_MODULATOR: OK (Not Supported)
         test VIDIOC_G/S_FREQUENCY: OK
         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
                 test VIDIOC_QUERYCTRL: OK
                 test VIDIOC_G/S_CTRL: OK
                 test VIDIOC_G/S/TRY_EXT_CTRLS: OK
                 test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
                 test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
                 Standard Controls: 5 Private Controls: 2

         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 (Not Supported)

         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 (Not Supported)

Test input 0:


Total: 43, Succeeded: 43, Failed: 0, Warnings: 0
root@salvator-x:~#

[2] "bonding" DT property discussion (https://www.mail-archive.com/linux-renesas-soc@xxxxxxxxxxxxxxx/msg09415.html)


Ramesh Shanmugasundaram (7):
   media: v4l2-ctrls: Reserve controls for MAX217X
   dt-bindings: media: Add MAX2175 binding description
   media: i2c: max2175: Add MAX2175 support
   media: Add new SDR formats PC16, PC18 & PC20
   doc_rst: media: New SDR formats PC16, PC18 & PC20
   dt-bindings: media: Add Renesas R-Car DRIF binding
   media: platform: rcar_drif: Add DRIF support

  .../devicetree/bindings/media/i2c/max2175.txt      |   59 +
  .../devicetree/bindings/media/renesas,drif.txt     |  176 +++
  .../devicetree/bindings/property-units.txt         |    1 +
  .../media/uapi/v4l/pixfmt-sdr-pcu16be.rst          |   55 +
  .../media/uapi/v4l/pixfmt-sdr-pcu18be.rst          |   55 +
  .../media/uapi/v4l/pixfmt-sdr-pcu20be.rst          |   54 +
  Documentation/media/uapi/v4l/sdr-formats.rst       |    3 +
  Documentation/media/v4l-drivers/index.rst          |    1 +
  Documentation/media/v4l-drivers/max2175.rst        |   62 +
  drivers/media/i2c/Kconfig                          |   12 +
  drivers/media/i2c/Makefile                         |    2 +
  drivers/media/i2c/max2175.c                        | 1453 +++++++++++++++++++
  drivers/media/i2c/max2175.h                        |  109 ++
  drivers/media/platform/Kconfig                     |   25 +
  drivers/media/platform/Makefile                    |    1 +
  drivers/media/platform/rcar_drif.c                 | 1500 ++++++++++++++++++++
  drivers/media/v4l2-core/v4l2-ioctl.c               |    3 +
  include/uapi/linux/max2175.h                       |   28 +
  include/uapi/linux/v4l2-controls.h                 |    5 +
  include/uapi/linux/videodev2.h                     |    3 +
  20 files changed, 3607 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/media/i2c/max2175.txt
  create mode 100644 Documentation/devicetree/bindings/media/renesas,drif.txt
  create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu16be.rst
  create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu18be.rst
  create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu20be.rst
  create mode 100644 Documentation/media/v4l-drivers/max2175.rst
  create mode 100644 drivers/media/i2c/max2175.c
  create mode 100644 drivers/media/i2c/max2175.h
  create mode 100644 drivers/media/platform/rcar_drif.c
  create mode 100644 include/uapi/linux/max2175.h





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