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Camera fixups for 6.6 #5613

Merged
merged 6 commits into from
Sep 25, 2023
Merged

Camera fixups for 6.6 #5613

merged 6 commits into from
Sep 25, 2023

Commits on Sep 22, 2023

  1. media: bcm2835-unicam: Fix up async notifier usage 

    Fixes "8a090fc3e549 bcm2835-unicam: hacks to allow it to build"
    @6by9
    6by9 committed Sep 22, 2023
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  2. media: i2c: imx219: make HBLANK r/w to allow longer exposures 

    The HBLANK control was read-only, and always configured such
that the sensor HTS register was 3448. This limited the maximum
exposure time that could be achieved to around 1.26 secs.

Make HBLANK read/write so that the line time can be extended,
and thereby allow longer exposures (and slower frame rates).
Retain the overall HTS setting when changing modes rather than
resetting it to a default.

Signed-off-by: Dave Stevenson <[email protected]>
    @6by9
    6by9 committed Sep 22, 2023
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  3. media: imx219: Advertise embedded data node on media pad 1 

    This commit updates the imx219 driver to adverise support for embedded
data streams.  This can then be used by the bcm2835-unicam driver, which
has recently been updated to expose the embedded data stream to
userland.

The imx219 sensor subdevice overloads the media pad to differentiate
between image stream (pad 0) and embedded data stream (pad 1) when
performing the v4l2_subdev_pad_ops functions.

Signed-off-by: Naushir Patuck <[email protected]>
Signed-off-by: Dave Stevenson <[email protected]>
    @naushir @6by9
    naushir authored and 6by9 committed Sep 22, 2023
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  4. media: i2c: imx219: Scale the pixel clock rate for the 640x480 mode 

    The 640x480 mode uses a special binning mode for high framerate operation where
the pixel rate is effectively doubled. Account for this when setting up the
pixel clock rate, and applying the vblank and exposure controls.

Signed-off-by: Naushir Patuck <[email protected]>
    @naushir @6by9
    naushir authored and 6by9 committed Sep 22, 2023
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  5. media: i2c: imx219: fix binning and rate_factor for 480p and 1232p 

    At a high FPS with RAW10, there is frame corruption for 480p because the
rate_factor of 2 is used with the normal 2x2 bining [1]. This commit
ties the rate_factor to the selected binning mode. For the 480p mode,
analog 2x2 binning mode with a rate_factor of 2 is always used. For the
1232p mode the normal 2x2 binning mode is used for RAW10 while analog
2x2 binning mode is used for RAW8.

[1] raspberrypi#5493

Signed-off-by: Vinay Varma <[email protected]>
Reworked due to upstream changes
Signed-off-by: Dave Stevenson <[email protected]>
    @vvarma @6by9
    vvarma authored and 6by9 committed Sep 22, 2023
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  6. fixup video-mux 

    Signed-off-by: Dave Stevenson <[email protected]>
    @6by9
    6by9 committed Sep 22, 2023
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