[PATCH v2 00/28] media: ov2680: Bugfixes + ACPI + selection(crop-tgt) API support

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Hi All,

Here is v2 of my ov2680 sensor driver patch series.

Changes in v2
- Drop "media: Add MIPI CCI register access helper functions"
  (being reviewed in its own thread / patch-submission)
- Drop "media: ov2680: Add g_skip_frames op support"
- Add "media: ov2680: Fix regulators being left enabled on
  ov2680_power_on() errors"
- Add "media: ov2680: Add link-freq and pixel-rate controls"
  with this the driver now works on IPU3 with ipu3-capture.sh
  (libcamera support requires adding a couple more controls)
- Limit line length to 80 chars everywhere
- Address various small remarks from Andy

During all the work done on the atomisp driver I have mostly been testing
on devices with an ov2680 sensor. As such I have also done a lot of work
on the atomisp-ov2680.c atomisp specific sensor driver.

With the latest atomisp code from:
https://git.kernel.org/pub/scm/linux/kernel/git/hansg/linux.git/tag/?h=media-atomisp-6.5-1

The atomisp code can now work with standard v4l2 sensor drivers using
the selections (crop-tgt) api and v4l2-async sensor driver registration.

This patch series modifies the main drivers/media/i2c/ov2680.c driver
to add bugfixes, ACPI enumeration, selection API support and further
improvments. After this the driver can be used with the atomisp driver
and atomisp-ov2680.c can be dropped.

This also gets the driver much closer to having everything needed for
use with IPU3 / libcamera. I have a Lenovo Miix 510 now with an IPU3 +
ov2680 sensor and with this series raw-capture using the ipu3-capture.sh
script works. I plan to work on libcamera support for this in the near
future.

This series consist of 3 parts:

1. Patches 1-8 are bugfixes these are put first for backporting

2. Patch 9 converts the ov2680 driver to the new CCI helpers,
the same has been done in the other series with the atomisp-ov2680
driver and this makes it much easier to sync things up.

Note this depends on the new CCI register helpers, these are being
reviewed here:

https://lore.kernel.org/linux-media/20230614192343.57280-1-hdegoede@xxxxxxxxxx/

3. Patches 9 - 28 implement the ACPI enumeration,
selection API support and further improvments.

Regards,

Hans


Hans de Goede (28):
  media: ov2680: Remove auto-gain and auto-exposure controls
  media: ov2680: Fix ov2680_bayer_order()
  media: ov2680: Fix vflip / hflip set functions
  media: ov2680: Use select VIDEO_V4L2_SUBDEV_API
  media: ov2680: Don't take the lock for try_fmt calls
  media: ov2680: Add ov2680_fill_format() helper function
  media: ov2680: Fix ov2680_set_fmt() which == V4L2_SUBDEV_FORMAT_TRY
    not working
  media: ov2680: Fix regulators being left enabled on ov2680_power_on()
    errors
  media: ov2680: Convert to new CCI register access helpers
  media: ov2680: Store dev instead of i2c_client in ov2680_dev
  media: ov2680: Check for "powerdown" GPIO con-id before checking for
    "reset" GPIO con-id
  media: ov2680: Add runtime-pm support
  media: ov2680: Drop is_enabled flag
  media: ov2680: Add support for more clk setups
  media: ov2680: Add support for 19.2 MHz clock
  media: ov2680: Add endpoint matching support
  media: ov2680: Add support for ACPI enumeration
  media: ov2680: Fix ov2680_enum_frame_interval()
  media: ov2680: Annotate the per mode register setting lists
  media: ov2680: Add ov2680_mode struct
  media: ov2680: Make setting the mode algorithm based
  media: ov2680: Add an __ov2680_get_pad_format() helper function
  media: ov2680: Implement selection support
  media: ov2680: Fix exposure and gain ctrls range and default value
  media: ov2680: Add a bunch of register tweaks
  media: ov2680: Drop unnecessary pad checks
  media: ov2680: Read and log sensor revision during probe
  media: ov2680: Add link-freq and pixel-rate controls

 drivers/media/i2c/Kconfig  |    2 +
 drivers/media/i2c/ov2680.c | 1316 +++++++++++++++++++-----------------
 2 files changed, 689 insertions(+), 629 deletions(-)

-- 
2.40.1




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