The DFE and FRE interrupts are both fired at frame completion, as each
display list processes a single frame. This won't be true anymore when
using image partitioning, switch to DFE in preparation.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Acked-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The frame-end function releases and completes the buffers on the input
and output entities of the pipe before marking the pipe->state as
'STOPPED'. This introduces a race whereby with the pipe->state still
'RUNNING', a QBUF handler can commence processing a frame before the
frame_end function has completed.

In the event that this happens, a frame queued by QBUF hangs due to the
incorrect pipe->state setting which prevents vsp1_pipeline_run from
issuing a CMD_STRCMD.

By locking the entire function we prevent this from occurring, but we
also change the locking state of the buffer release code. This has been
analysed visually as acceptable, but it must be considered that this now
causes the video->irqlock to be taken under the pipe->irqlock context.
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The vsp1_pipeline_ready() and vsp1_pipeline_run() functions must be
called with the pipeline lock held, fix the resume code path.
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The subdev userspace API isn't serialized in the core, serialize access
to formats and selection rectangles in the driver.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Pipelines can only be run if all their video nodes are streaming. Commit
b4dfb9b3 ("[media] v4l: vsp1: Stop the pipeline upon the first
STREAMOFF") fixed the pipeline stop sequence, but introduced a race
condition that makes it possible to run a pipeline after stopping the
stream on a video node by queuing a buffer on the other side of the
pipeline.

Fix this by clearing the buffers ready flag when stopping the stream,
which will prevent the QBUF handler from running the pipeline.

Fixes: b4dfb9b3 ("[media] v4l: vsp1: Stop the pipeline upon the first STREAMOFF")
Reported-by: NKieran Bingham <kieran@bingham.xyz>
Tested-by: NKieran Bingham <kieran@bingham.xyz>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

WARNING: line over 80 characters
+			     GS_HEIGHT_MAX, GS_PIXELCLOCK_MIN, GS_PIXELCLOCK_MAX,

WARNING: line over 80 characters
+		if (v4l2_match_dv_timings(timings, &reg_fmt[i].format, 0, false))

WARNING: Block comments use a trailing */ on a separate line
+	 * which looks like a video signal activity.*/

WARNING: else is not generally useful after a break or return
+		return gs_write_register(gs->pdev, REG_FORCE_FMT, reg_value);
+	} else {

WARNING: Block comments use a trailing */ on a separate line
+	 * which looks like a video signal activity.*/

ERROR: spaces required around that '=' (ctx:VxW)
+	.enum_dv_timings= gs_enum_dv_timings,
 	                ^
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The SPI driver looked a bit lonely in the config menu, and it didn't
support the autoselect. Shift things around a bit so it looks more logical.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

You can read datasheet here:
http://www.c-dis.net/media/871/GS1662_Datasheet.pdf

It's a component which supports HD and SD CEA or SDI formats
to SDI output. It's configured through SPI bus.

GS1662 driver is implemented as v4l2 subdev.
Signed-off-by: NCharles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Changeset ab6343956f9c ("[media] V4L2: Add documentation for SDI timings
and related flags") added documentation for new V4L2 defines, but
it forgot to update videodev2.h.rst.exceptions to point to where
the documentation for those new values will be inside the book,
causing those warnings:

    Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-dv-bt-std-sdi (if the link has no caption the label must precede a section header)
    Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-dv-fl-first-field-extra-line (if the link has no caption the label must precede a section header)
    Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-in-st-no-v-lock (if the link has no caption the label must precede a section header)
    Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-in-st-no-std-lock (if the link has no caption the label must precede a section header)

Fixes: ab6343956f9c ("[media] V4L2: Add documentation for SDI timings and related flags")

Cc: Charles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Describe new needed constants defined by SDI format.
Signed-off-by: NCharles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Adding others generic flags, which could be used by many
components like GS1662.
Signed-off-by: NCharles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

With ReST conversion, the media subsystem documentation is now
located on different directories.

Update them.
Suggested-by: NJoe Perches <joe@perches.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: linux-doc <linux-doc@vger.kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Fix to return error code -ENOMEM from the memory or workqueue alloc
error handling case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Remove duplicated include.
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Fix to return error code -ENODEV from dma_request_slave_channel_compat()
error handling case instead of 0, as done elsewhere in this function.

Also fix to release resources in v4l2_clk_register() error handling.
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

tw5864_video_template is used for filling of actual video_device
structures. It is copied by value, and is not used for anything else.
Signed-off-by: NAndrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Inspired by "[media] pci: constify vb2_ops structures" patch
from Julia Lawall (dated 9 Sep 2016).
Signed-off-by: NAndrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Building with -Wmaybe-uninitialized reveals the use on an uninitialized
variable containing the physical address of the device whenever
firmware before version 2 is used:

drivers/staging/media/pulse8-cec/pulse8-cec.c: In function 'pulse8_connect':
drivers/staging/media/pulse8-cec/pulse8-cec.c:447:2: error: 'pa' may be used uninitialized in this function [-Werror=maybe-uninitialized]

This sets the address to CEC_PHYS_ADDR_INVALID in this case, so we don't
try to write back the uninitialized data to the device.

Fixes: e28a6c8b ("[media] pulse8-cec: sync configuration with adapter")
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Set the current format on the first open.
Signed-off-by: NSongjun Wu <songjun.wu@microchip.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

MEDIA_CEC is no longer a tristate option, so the user can't actually
choose M. Whether the code is built-in or built as a module is
decided somewhere else.

Fixes: 5bb2399a ("[media] cec: fix Kconfig dependency problems")
Signed-off-by: NJean Delvare <jdelvare@suse.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

In addition to setting the ACK mask, also set the logical address mask
setting in the dongle. This (and not the ACK mask) is persisted for
use in autonomous mode.

The logical address mask to use is deduced from the primary device type
in adap->log_addrs.
Signed-off-by: NJohan Fjeldtvedt <jaffe1@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Linux4Linux -> Video4Linux
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

This patch setting V4L2_CAP_TIMEPERFRAME capability in
vidioc_venc_s/g_parm functions
Signed-off-by: NTiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

trivial fix to spelling mistake in pr_debug message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Signed-off-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: NPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Signed-off-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: NPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

This patch implement CEC driver for stih4xx platform.
Driver compliance has been test with cec-ctl and
cec-compliance tools.
Signed-off-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: NPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Add bindings documentation for stih-cec driver.
Signed-off-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: NPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

pulse8-cec.c: In function 'pulse8_connect':
pulse8-cec.c:447:2: warning: 'pa' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cec_s_phys_addr(pulse8->adap, pa, false);
  ^
pulse8-cec.c:609:6: note: 'pa' was declared here
  u16 pa;
      ^

As far as I can tell, this can't actually happen. Still, it is better to just
initialize it.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Linking soc_mediabus into this driver causes multiple definition linker warnings
if soc_camera is also enabled:

   drivers/media/platform/soc_camera/built-in.o:(___ksymtab+soc_mbus_image_size+0x0): multiple definition of `__ksymtab_soc_mbus_image_size'
   drivers/media/platform/soc_camera/soc_mediabus.o:(___ksymtab+soc_mbus_image_size+0x0): first defined here
>> drivers/media/platform/soc_camera/built-in.o:(___ksymtab+soc_mbus_samples_per_pixel+0x0): multiple definition of `__ksymtab_soc_mbus_samples_per_pixel'
   drivers/media/platform/soc_camera/soc_mediabus.o:(___ksymtab+soc_mbus_samples_per_pixel+0x0): first defined here
   drivers/media/platform/soc_camera/built-in.o: In function `soc_mbus_config_compatible':
   (.text+0x3840): multiple definition of `soc_mbus_config_compatible'
   drivers/media/platform/soc_camera/soc_mediabus.o:(.text+0x134): first defined here

Since we really don't want to have to use any of the soc-camera code this patch
copies the relevant code and data structures from soc_mediabus and renames it to pxa_mbus_*.

The large table of formats has been culled a bit, removing formats that are not supported
by this driver.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Add support for the R8A7792 VSP1V cores which are different from the other
gen2 VSP1 cores.
Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The vsp1 driver supports tri-planar formats, but the DRM API only passes
two memory addresses. Add a third one.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Instead of hardcoding the media device model and hardware revision to
"VSP1" and 0 respectively, report the actual hardware device model and
IP version number.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The FCP must be powered up for the FDP1 to function, even when the FDP1
does not make use of the FCNL features. Extend the compatible list
to allow us to use the power domain and runtime-pm support.
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Reviewed-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The rcar_fcp_enable() function immediately returns successfully when the
FCP device pointer is NULL to avoid forcing the users to check the FCP
device manually before every call. However, the stub version of the
function used when the FCP driver is disabled returns -ENOSYS
unconditionally, resulting in a different API contract for the two
versions of the function.

As a user that requires FCP support will fail at probe time when calling
rcar_fcp_get() if the FCP driver is disabled, the stub version of the
rcar_fcp_enable() function will only be called with a NULL FCP device.
We can thus return 0 unconditionally to align the behaviour with the
normal version of the function.
Reported-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The Renesas multimedia drivers use ret to store return values, fix the
only exception in the rcar-fcp driver to keep the coding style
consistent.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The S_FMT and TRY_FMT handlers in multiplane mode attempt at clearing
the reserved fields of the v4l2_format structure after the pix_mp
member. However, the reserved fields are inside pix_mp, not after it.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: NKieran Bingham <kieran@bingham.xyz>
Acked-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The power domain must be specified to bring the device out of module
standby. Document this in the bindings provided, so that new additions
are not missed.
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Acked-by: NRob Herring <robh@kernel.org>
Acked-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The FCP driver can also support the FCPF variant for FDP1 compatible
processing.
Signed-off-by: NKieran Bingham <kieran+renesas@bingham.xyz>
Acked-by: NRob Herring <robh@kernel.org>
Reviewed-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The driver used integers for what boolean would have been a better fit.
Use boolean instead.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>