There's no way to query the subdevice for the supported
resolutions.
Add set_fmt and get_fmt implementations.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Add optional GPIO pwdn to connect to the PWDN line on the sensor.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Add support for an optional GPIO connected to PWDN on the sensor.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

The driver was only supporting continuous clock mode
although this was not stated anywhere.
Non-continuous clock saves a small amount of power and
on some SoCs is easier to interface with.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

The existing fixed value of 16 worked for UYVY 720P60 over
2 lanes at 594MHz, or UYVY 1080P60 over 4 lanes. (RGB888
1080P60 needs 6 lanes at 594MHz).
It doesn't allow for lower resolutions to work as the FIFO
underflows.

374 is required for 1080P24-30 UYVY over 2 lanes @ 972Mbit/s, but
>374 means that the FIFO underflows on 1080P50 UYVY over 2 lanes
@ 972Mbit/s.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

g_mbus_config was supposed to indicate all supported lane numbers, not
only the number of those currently in active use. Since the TC358743
can dynamically reduce the number of active lanes if the required
bandwidth allows for it, report all lane numbers up to the connected
number of lanes as supported in pdata mode.
In device tree mode, do not report lane count and clock mode at all, as
the receiver driver can determine these from the device tree.

To allow communicating the number of currently active lanes, add a new
bitfield to the v4l2_mbus_config flags. This is a temporary fix, to be
used only until a better solution is found.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Adds register setups for running the CSI lanes at 972Mbit/s,
which allows 1080P50 UYVY down 2 lanes.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Hardware default is differential CVBS on AIN1 & 2, which
isn't very useful.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

New helper defines that allow printing of a FOURCC using
printf(V4L2_FOURCC_CONV, V4L2_FOURCC_CONV_ARGS(fourcc));

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Document the DT bindings for the CSI2/CCP2 receiver peripheral
(known as Unicam) on BCM283x SoCs.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Acked-by: Rob Herring <robh@kernel.org>

Add driver for the Unicam camera receiver block on
BCM283x processors.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

4.15 is using const function pointers for the notifier
functions. Those changes don't cherry-pick easily, so
revert those mods in this driver.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Enable:
	VIDEO_V4L2_SUBDEV_API=y
	VIDEO_BCM2835_UNICAM=m
	VIDEO_TC358743=m
	VIDEO_ADV7180=m
	VIDEO_OV5647=m
so that we can receive CSI data from these devices.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

This allows muxing of the hardware I2C block between
the GPIOs on the expansion connector and the camera/display
connectors.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

DT overlays to setup the above devices via i2c_mux port 1
and csi1.

tc358743 is tc358743 running at the older supported link
frequency of 594Mbit/s. This is only sufficient for 720P60 UYVY.
tc358743-fast is tc358743 running at a link frequency of 972Mbit/s.
This is fast enough for 1080P50 UYVY on 2 lanes.
Both have a parameter to enable 4 lane mode (only relevant
to Compute Module (1 or 3) csi1).

ADV7282M is the Analog Devices analogue video to CSI bridge
chip.

OV5647 is the Pi V1.3 camera module. Currently the driver only
supports VGA 8bit Bayer and very few controls.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>

Unicam 4 14 rebased

…o rpi-4.14.y