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This is a wrapper around the media entity get_fwnode_pad operation.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The optional operation can be used by entities to report how it maps its
fwnode endpoints to media pad numbers. This is useful for devices which
require advanced mappings of pads.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add a check for v4l2_dev to v4l2_async_notifier_register() as to fail as
early as possible since this will fail later in v4l2_async_test_notify().
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The new Renesas R-Car H3 ES2.0 platforms have a new hw version register.
Update the driver accordingly, defaulting to the new hw revision, and
differentiating the older revision as ES1
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove useless variable assignment in function tc358743_isr().
The value stored in variable _intstatus_ at line 1299 is
overwritten at line 1302, just before it can be used.
Addresses-Coverity-ID: 1397678
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Updating my personal email address in solo6x10.
Signed-off-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Anton Sviridenko is now in charge of drivers in Bluecherry.
Signed-off-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The davinci VPIF is a single hardware block, but the existing driver
is broken up into a common library (vpif.c), output (vpif_display.c) and
intput (vpif_capture.c).
When migrating to DT, to better model the hardware, and because
registers, interrupts, etc. are all common,it was decided to
have a single VPIF hardware node[1].
Because davinci uses legacy, non-DT boot on several SoCs still, the
platform_drivers need to remain. But they are also needed in DT boot.
Since there are no DT nodes for the display/capture parts in DT
boot (there is a single node for the parent/common device) we need to
create platform_devices somewhere to instantiate the platform_drivers.
When VPIF display/capture are needed for a DT boot, the VPIF node
will have endpoints defined for its subdevs. Therefore, vpif_probe()
checks for the presence of endpoints, and if detected manually creates
the platform_devices for the display and capture platform_drivers.
[1] Documentation/devicetree/bindings/media/ti,da850-vpif.txt
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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'call_ptr_memop' can return NULL, so we must test its return value with
'IS_ERR_OR_NULL'. Otherwise, the test 'if (mem_priv)' is meaningless.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As long as only one CODA context is running we get alternating device_run()
and wait_for_completion() calls, but when more then one CODA context is
active, other VDOA slots can be inserted between those calls for one context.
Make sure to wait on job completion before running a different context and
before destroying the currently active context.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This implements a simple handler for the case where decode did not finish
sucessfully. This might be helpful during normal streaming, but for now it
only handles the case where the context would deadlock with userspace,
i.e. userspace issued DEC_CMD_STOP and waits for EOS, but after the failed
decode run we would hold the context and wait for userspace to queue more
buffers.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The mvcol buffer needs to be placed behind the chroma plane(s), so
use the real offset including any required rounding.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This makes firmware name and path part of venus_resources
structure and initialize it properly depending on the SoC and
firmware version.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This adds support for V4L2_CID_MIN_BUFFERS_FOR_CAPTURE get control
in venus decoder, it is usable in case when the userspace wants
to know minimum capture buffers before calling request_buf for
capture queue in mem2mem drivers. Also this will fix an issue
found gstreamer v4l2videodec element, i.e. the video decoder
element cannot continue because the buffers are insufficient.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes the following compile error ocured when building
with gcc7:
drivers/media/platform/qcom/venus/venc.c:1150
venc_close() error: dereferencing freed memory 'inst'
by moving kfree as a last call.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes the following compile error ocured when building
with gcc7:
drivers/media/platform/qcom/venus/vdec.c:1022
vdec_close() error: dereferencing freed memory 'inst'
by moving kfree as a last call.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes a warning found when building with gcc7:
drivers/media/platform/qcom/venus/hfi_msgs.c:465:40:
warning: variable 'domain' set but not used [-Wunused-but-set-variable]
u32 rem_bytes, num_props, codecs = 0, domain = 0;
^~~~~~
drivers/media/platform/qcom/venus/hfi_msgs.c:465:28:
warning: variable 'codecs' set but not used [-Wunused-but-set-variable]
u32 rem_bytes, num_props, codecs = 0, domain = 0;
The warning is avoided by deleting the variables declaration.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes a warning found when building with gcc7:
drivers/media/platform/qcom/venus/hfi_venus.c:998
venus_isr_thread() warn: variable dereferenced before check
'hdev' (see line 994)
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes a warning found when building the driver with gcc7:
drivers/media/platform/qcom/venus/helpers.c:157
load_per_instance() warn: variable dereferenced before check
'inst' (see line 153)
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixes a warning found when building the driver with gcc7:
drivers/media/platform/qcom/venus/hfi_cmds.c:415
pkt_session_set_property_1x() warn: variable dereferenced before
check 'pkt' (see line 412)
drivers/media/platform/qcom/venus/hfi_cmds.c:1177
pkt_session_set_property_3xx() warn: variable dereferenced before
check 'pkt' (see line 1174)
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This fixed a warning when build driver with gcc7:
drivers/media/platform/qcom/venus/hfi.c:171
hfi_core_ping() warn: inconsistent returns 'mutex:&core->lock'.
Locked on: line 159
Unlocked on: line 171
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This adds Venus driver Makefile and changes v4l2 platform
Makefile/Kconfig in order to enable building of the driver.
Note that in this initial version the COMPILE_TEST-ing is not
supported because the drivers specific to ARM builds are still
in process of enabling the aforementioned compile testing.
Once that disadvantage is fixed the Venus driver compile testing
will be possible with follow-up changes.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Here is the implementation of Venus video accelerator low-level
functionality. It contanins code which setup the registers and
startup uthe processor, allocate and manipulates with the shared
memory used for sending commands and receiving messages.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is the implementation of HFI. It is charged with the
responsibility to comunicate with the firmware through an
interface commands and messages.
- hfi.c has interface functions used by the core, decoder
and encoder parts to comunicate with the firmware. For example
there are functions for session and core initialisation.
- hfi_cmds has packetization operations which preparing
packets to be send from host to firmware.
- hfi_msgs takes care of messages sent from firmware to the
host.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This adds encoder part of the driver plus encoder controls.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This consists of video decoder implementation plus decoder
controls.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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* core.c has implemented the platform driver methods, file
operations and v4l2 registration.
* helpers.c has implemented common helper functions for:
- buffer management
- vb2_ops and functions for format propagation,
- functions for allocating and freeing buffers for
internal usage. The buffer parameters describing internal
buffers depends on current format, resolution and codec.
- functions for calculation of current load of the
hardware. Depending on the count of instances and
resolutions it selects the best clock rate for the video
core.
* firmware loader
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add an entry for Venus video encoder/decoder accelerator driver.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add binding document for Venus video encoder/decoder driver
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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this add functions for:
- remove buffers from src/dst queue by index
- remove exact buffer from src/dst queue
also extends m2m API to iterate over a list of src/dst buffers
in safely and non-safely manner.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Linux 4.12-rc6
* tag 'v4.12-rc6': (813 commits)
Linux 4.12-rc6
mm: larger stack guard gap, between vmas
virtio_balloon: disable VIOMMU support
mm: correct the comment when reclaimed pages exceed the scanned pages
userfaultfd: shmem: handle coredumping in handle_userfault()
mm: numa: avoid waiting on freed migrated pages
swap: cond_resched in swap_cgroup_prepare()
mm/memory-failure.c: use compound_head() flags for huge pages
perf unwind: Report module before querying isactivation in dwfl unwind
fs: pass on flags in compat_writev
objtool: Add fortify_panic as __noreturn function
powerpc/debug: Add missing warn flag to WARN_ON's non-builtin path
USB: gadgetfs, dummy-hcd, net2280: fix locking for callbacks
drm: mxsfb_crtc: Reset the eLCDIF controller
drm/mgag200: Fix to always set HiPri for G200e4 V2
i2c: ismt: fix wrong device address when unmap the data buffer
i2c: rcar: use correct length when unmapping DMA
powerpc/xive: Fix offset for store EOI MMIOs
drm/tegra: Correct idr_alloc() minimum id
drm/tegra: Fix lockup on a use of staging API
...
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As reported by gcc:
drivers/media/i2c/ov13858.c:953:20: warning: duplicate const
drivers/media/i2c/ov13858.c:953:14: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier]
static const const s64 link_freq_menu_items[OV13858_NUM_OF_LINK_FREQS] = {
^~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is no need to split long string literals.
Join them back.
No functional change intended.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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DW9714 is a 10 bit DAC, designed for linear
control of voice coil motor.
This driver creates a V4L2 subdevice and
provides control to set the desired focus.
[Sakari Ailus: Add MAINTAINERS entry.]
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch adds driver for Omnivision's ov13858
sensor, the driver supports following features:
- manual exposure/gain(analog and digital) control support
- two link frequencies
- VBLANK/HBLANK support
- test pattern support
- media controller support
- runtime pm support
- supported resolutions
+ 4224x3136 at 30FPS
+ 2112x1568 at 30FPS(default) and 60FPS
+ 2112x1188 at 30FPS(default) and 60FPS
+ 1056x784 at 30FPS(default) and 60FPS
[Sakari Ailus: use V4L2_CID_DIGITAL_GAIN instead, add MAINTAINERS entry.]
Signed-off-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Elaborate the differences between V4L2_CID_GAIN and gain-type specific
V4L2_CID_DIGITAL_GAIN and V4L2_CID_ANALOGUE_GAIN.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add V4L2_CID_DIGITAL_GAIN to control explicitly digital gain.
We already have analogue gain control which the digital gain control
complements. Typically higher quality images are obtained using analogue
gain only as the digital gain does not add information to the image
(rather it may remove it).
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add maintainer entry for the imx-media driver.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Calling S_STREAM OFF multiple times on a video device is valid, although
dubious, practice. Instead of warning about it and setting stream count
lower than zero, just ignore the subsequent S_STREAM calls and correct
the stream count to zero.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch adds a call to imx_media_fill_default_mbus_fields() in the
*_try_fmt() functions at the sink pads, to set empty field order and
colorimetry parameters.
If the field order is set to ANY, choose the currently set field order
at the sink pad. If the colorspace is set to DEFAULT, choose the
current colorspace at the sink pad. If any of xfer_func, ycbcr_enc
or quantization are set to DEFAULT, either choose the current sink pad
setting, or the default setting for the new colorspace, if non-DEFAULT
colorspace was given.
If a format is destined to be routed through the Image Converter,
fixed quantization and Y`CbCr encoding must be set.
Colorimetry is also propagated from sink to source pads anywhere
this has not already been done.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add support for enumerating frame sizes and frame intervals from the
first subdev via the V4L2 interfaces.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add frame size and frame interval enumeration to CSI.
CSI can downscale the image independently horizontally and vertically by a
factor of two, which enumerates to four different frame sizes at the
output pads. The input pad supports a range of frame sizes.
CSI can also drop frames, resulting in frame rate reduction, so
enumerate the resulting possible output frame rates.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Move the crop rectangle to the sink pad and add a sink compose rectangle
to configure scaling. Also propagate rectangles from sink pad to crop
rectangle, to compose rectangle, and to the source pads both in ACTIVE
and TRY variants of set_fmt/selection, and initialize the default crop
and compose rectangles.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The CSI can skip any out of up to 6 input frames, allowing to reduce the
frame rate at the output pads by small fractions.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The IDMAC supports burst sizes of up to 32 pixels for interleaved YUV
formats and up to 64 pixels for planar YUV formats.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Bayer formats must be treated as generic data and passthrough mode must
be used. Add the correct setup for these formats.
- added check to csi_link_validate() to verify that destination is
IDMAC output pad when passthrough conditions exist: bayer formats
and 16-bit parallel buses.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Adds MIPI CSI-2 Receiver subdev driver. This subdev is required
for sensors with a MIPI CSI2 interface.
- Switch from the v4l2_of_ APIs to the v4l2_fwnode_ APIs.
- Add the function csi2ipu_gasket_init() to initialize the gasket at
s_power(ON). The gasket needs to be programmed with the correct color
component ordering to handle UYVY vs. YUYV ordered mbus formats from
sensors. Note that the description of the CSI2IPU_GASKET register in
the i.MX6 reference manual is wrong w.r.t bit 2 (the manual refers to
this register as CSI2_SW_RST): setting bit 2 selects YUYV order, not UYVY.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Suggested-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is a set of three media entity subdevice drivers for the i.MX
Image Converter:
- Pre-process Router: Takes input frames from CSI0, CSI1, or VDIC.
Two output pads enable either or both of the preprocess tasks
below. If the input is from one of the CSIs, both proprocess task
links can be enabled to process frames from that CSI simultaneously.
If the input is the VDIC, only the Pre-processing Viewfinder task
link can be enabled.
- Pre-processing Encode task: video frames are routed directly from
the CSI and can be scaled, color-space converted, and rotated.
Scaled output is limited to 1024x1024 resolution. Output frames
are routed to the prpenc capture device.
- Pre-processing Viewfinder task: this task can perform the same
conversions as the pre-process encode task, but in addition can
be used for hardware motion compensated deinterlacing. Frames can
come either directly from the CSI or from the VDIC. Scaled output
is limited to 1024x1024 resolution. Output frames are routed to
the prpvf capture device.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is a media entity subdevice driver for the i.MX Video De-Interlacing
or Combining Block. So far this entity does not implement the Combining
function but only motion compensated deinterlacing. Video frames are
received from the CSI and are routed to the IC PRPVF entity.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is a media entity subdevice for the i.MX Camera
Sensor Interface module.
- Added support for negotiation of frame intervals.
- Fixed cropping rectangle negotiation at input and output pads.
- Added support for /2 downscaling, if the output pad dimension(s)
are 1/2 the crop dimension(s) at csi_setup() time.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[hans.verkuil@cisco.com: add linux/pinctrl/consumer.h include]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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