Hi All,
This series enable Gen3 VIN support in rcar-vin driver for Renesas
r8a7795 and r8a7796. It is based on top of v4.9-rc3.
Parts of this series was previously part of an different series from me
which enabled Gen3 support in a different way (using s_input instead of
a media controller) but after feedback during ELCE the Gen3 enablement
is now almost completely rewritten.
Patch 1-2: pick-up media entity features from Laurent which the driver
depends on.
Patch 3-5: fix small issues in the driver.
Patch 6-13: changes the driver from attaching to a video source
subdevice at probe time to when the video device node (/dev/videoX) are
opened. It also allows for the subdevice which is attached is not the
same as last time it was opened, but only at the time the first user
opens, i.e. when v4l2_fh_is_singular_file() is true.
Patch 14-15: prepare the internal data structures for Gen3.
Patch 16-17: small refactoring preparing for Gen3 additions.
Patch 18-19: add logic to work with the Gen3 hardware registers
Patch 20-24: add media control support, link setup and link notify
handlers.
Patch 25-29: add logic to the driver to work together with the media
controller.
Patch 30-32: document the new Gen3 DT bindings, add r8a7795 and r8a7796
definitions and device info structures.
The driver is tested on both Renesas H3 (r8a7795) and M3-W (r8a7796)
together with the new rcar-csi2 driver (posted separately) and a
prototype driver of the ADV7482 (not ready for upstream but publicly
available). It is possible to capture both CVBS and HDMI video streams,
v4l2-compliance passes with no errors (there is one warning due the
ADV7482 driver) and media-ctl can be used to change the routing from the
different CSI-2 sources to the different VIN consumers.
Gen2 compatibility is verified on Koelsch and no problems where found,
video can be captured just like before and v4l2-compliance passes
without errors or warnings.
Laurent Pinchart (2):
media: entity: Add has_route entity operation
media: entity: Add media_entity_has_route() function
Niklas Söderlund (30):
media: rcar-vin: reset bytesperline and sizeimage when resetting
format
media: rcar-vin: use rvin_reset_format() in S_DV_TIMINGS
media: rcar-vin: fix how pads are handled for v4l2 subdeivce
operations
media: rcar-vin: fix standard in input enumeration
media: rcar-vin: add wrapper to get rvin_graph_entity
media: rcar-vin: move subdev source and sink pad index to
rvin_graph_entity
media: rcar-vin: move pad number discovery to async complete handler
media: rcar-vin: use pad information when verifying media bus format
media: rcar-vin: refactor pad lookup code
media: rcar-vin: split rvin_s_fmt_vid_cap()
media: rcar-vin: register the video device early
media: rcar-vin: move chip information to own struct
media: rcar-vin: move max width and height information to chip
information
media: rcar-vin: change name of video device
media: rcar-vin: clarify error message from the digital notifier
media: rcar-vin: enable Gen3 hardware configuration
media: rcar-vin: add functions to manipulate Gen3 CHSEL value
media: rcar-vin: expose a sink pad if we are on Gen3
media: rcar-vin: add group allocator functions
media: rcar-vin: add chsel information to rvin_info
media: rcar-vin: parse Gen3 OF and setup media graph
media: rcar-vin: add link notify for Gen3
media: rcar-vin: enable CSI2 group subdevices in lookup helpers
media: rcar-vin: add helpers for bridge
media: rcar-vin: start/stop the CSI2 bridge stream
media: rcar-vin: propagate format to bridge
media: rcar-vin: attach to CSI2 group when the video device is opened
media: rcar-vin: add Gen3 devicetree bindings documentation
media: rcar-vin: enable support for r8a7795
media: rcar-vin: enable support for r8a7796
.../devicetree/bindings/media/rcar_vin.txt | 117 +-
drivers/media/media-entity.c | 29 +
drivers/media/platform/rcar-vin/Kconfig | 2 +-
drivers/media/platform/rcar-vin/rcar-core.c | 1134 +++++++++++++++++++-
drivers/media/platform/rcar-vin/rcar-dma.c | 240 ++++-
drivers/media/platform/rcar-vin/rcar-v4l2.c | 394 ++++---
drivers/media/platform/rcar-vin/rcar-vin.h | 112 +-
include/media/media-entity.h | 8 +
8 files changed, 1790 insertions(+), 246 deletions(-)
--
2.10.2
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