Due to recent changes on the way we're maintaining media, the
location of the main tree was updated.
Change docs accordingly.
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
The omap4 camera driver has seen no progress since forever, and
now OMAP4 support has also been dropped from u-boot (1). So it is
time to retire this driver.
(1): https://lists.denx.de/pipermail/u-boot/2024-July/558846.html
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
There are several comments all over the place, which uses a wrong singular
form of jiffies.
Replace 'jiffie' by 'jiffy'. No functional change.
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Link: https://lore.kernel.org/all/20240904-devel-anna-maria-b4-timers-flseep-v1-3-e98760256370@linutronix.de
Add support for the Extron DA HD 4K Plus series of 4K HDMI
Distrubution Amplifiers (aka HDMI Splitters).
These devices support CEC and this driver adds support for the
CEC protocol for both the input and all outputs (2, 4 or 6 outputs,
depending on the model).
It also exports the EDID from the outputs and allows reading and
setting the EDID of the input.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Merge tag 'next-media-rkisp1-20240814' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git
Extensible parameters support for the rkisp1 driver.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Properly document the function of the mgb4 output "frame_rate" sysfs
parameter and update the default DV timings values according to the latest
code changes.
Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The rkisp1 driver stores ISP configuration parameters in the fixed
rkisp1_params_cfg structure. As the members of the structure are part of
the userspace API, the structure layout is immutable and cannot be
extended further. Introducing new parameters or modifying the existing
ones would change the buffer layout and cause breakages in existing
applications.
The allow for future extensions to the ISP parameters, introduce a new
extensible parameters format, with a new format 4CC. Document usage of
the new format in the rkisp1 admin guide.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
The vivid driver supports media controller support for quite a long
time now, so drop that from the list.
Since commit 4c4dacb052 ("media: vivid: loopback based on
'Connected To' controls") making EDID changes causes correct signaling
to happen, but what is still missing is the 100 ms delay required before
signaling that there is an HPD. Modify this TODO item accordingly.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The MyGica UTV3 Analog USB2.0 TV Box is a USB video capture card
that has analog TV, composite video, and FM radio inputs, an IR
remote, and provides audio only as Line Out, but not over USB.
Mine is prepared for an FM tuner, but not equipped with one.
Support for FM radio is therefore missing. The device contains:
- Empia EM2860 USB bridge
- Philips SAA7113 video decoder
- NXP TDA9801T demodulator
- Tena TNF931D-DFDR1 tuner
- ST HCF4052 demux, switches input audio to Line Out
Signed-off-by: Nils Rothaug <nils.rothaug@gmx.de>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Tuner ranges were determined by USB capturing the vendor driver of a
MyGica UTV3 video capture card.
Signed-off-by: Nils Rothaug <nils.rothaug@gmx.de>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Modify section "Video and Sliced VBI Looping" in Documentation to explain
the vivid loopback support for video across multiple vivid instances.
Previous documentation is out-of-date as it was explaining looping in a
single vivid instance only.
Also, in "Some Future Improvements" the item "Add support to loop
from a specific output to a specific input across vivid instances"
can be dropped since that's now implemented.
Signed-off-by: Dorcas Anono Litunya <anonolitunya@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Instead of using hardwired video loopback limited to a single vivid
instance, use the new 'Connected To' controls to only loopback if an
HDMI or S-Video input is connected to another output, which can be
in another vivid instance. Effectively this emulates connecting and
disconnecting an HDMI/S-Video cable.
The Loop Video control is dropped since it has now been replaced by
the new 'Connected To' controls. The Display Present has also been
dropped since it no longer fits.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Co-developed-by: Dorcas Anono Litunya <anonolitunya@gmail.com>
Signed-off-by: Dorcas Anono Litunya <anonolitunya@gmail.com>
Modifying documentation to remove 'Capture Overlay section' as
destructive capture overlay support was removed.
See commit ccaa9d50ca ("media: vivid: drop overlay support")
Signed-off-by: Dorcas Anono Litunya <anonolitunya@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Drop the "Video, VBI and RDS Looping" section, instead moving the
Video/VBI info to section "Video and Sliced VBI looping" and the
RDS info to section "Radio & RDS Looping".
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The documentation contained several instances of "section X"
references, which no longer map to whatever X was.
Replace these by the section titles.
Also fix a single confusing typo in the "Radio & RDS Looping" section:
"are regular frequency intervals" -> "at regular frequency intervals"
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Add documentation for the PiSP Back End memory-to-memory ISP.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fix flags in X1 Yoga example. MEDIA_LNK_FL_DYNAMIC (0x4 in the link flag)
was removed in V4 Intel IPU6 and IPU6 input system drivers. Added -V flag
to media-ctl commands for X1 Yoga, lower-case v only makes it verbose
upper-case V sets the format.
Signed-off-by: Samuel Wein <sam@samwein.com>
[Sakari Ailus: Align subject line, rewrap commit message.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This document mainly describe the functionality of IPU6 and IPU6 isys
driver, and gives an example that how user can do imaging capture with
tools.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fix the mgb4 driver documentation structure that breaks the
"Video4Linux (V4L) driver-specific documentation" outline.
Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Also document stable frames and what it means for testing tools.
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil: add media: prefix to Subject]
Correct the default value of node_type vivid parameter to 0xe1d3d.
Signed-off-by: Dorcas Anono Litunya <anonolitunya@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Merge tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- v4l core: subdev frame interval now supports which field
- v4l kapi: moves and renames the init_cfg pad op to init_state as an
internal op.
- new sensor drivers: gc0308, gc2145, Avnet Alvium, ov64a40, tw9900
- new camera driver: STM32 DCMIPP
- s5p-mfc has gained MFC v12 support
- new ISP driver added to staging: Starfive
- new stateful encoder/decoded: Wave5 codec It is found on the J721S2
SoC, JH7100 SoC, ssd202d SoC. Etc.
- fwnode gained support for MIPI "DisCo for Imaging"
(https://www.mipi.org/specifications/mipi-disco-imaging)
- as usual, lots of cleanups, fixups and driver improvements.
* tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (309 commits)
media: i2c: thp7312: select CONFIG_FW_LOADER
media: i2c: mt9m114: use fsleep() in place of udelay()
media: videobuf2: core: Rename min_buffers_needed field in vb2_queue
media: i2c: thp7312: Store frame interval in subdev state
media: docs: uAPI: Fix documentation of 'which' field for routing ioctls
media: docs: uAPI: Expand error documentation for invalid 'which' value
media: docs: uAPI: Clarify error documentation for invalid 'which' value
media: v4l2-subdev: Store frame interval in subdev state
media: v4l2-subdev: Add which field to struct v4l2_subdev_frame_interval
media: v4l2-subdev: Turn .[gs]_frame_interval into pad operations
media: v4l: subdev: Move out subdev state lock macros outside CONFIG_MEDIA_CONTROLLER
media: s5p-mfc: DPB Count Independent of VIDIOC_REQBUF
media: s5p-mfc: Load firmware for each run in MFCv12.
media: s5p-mfc: Set context for valid case before calling try_run
media: s5p-mfc: Add support for DMABUF for encoder
media: s5p-mfc: Add support for UHD encoding.
media: s5p-mfc: Add support for rate controls in MFCv12
media: s5p-mfc: Add YV12 and I420 multiplanar format support
media: s5p-mfc: Add initial support for MFCv12
media: s5p-mfc: Rename IS_MFCV10 macro
...
Add AV1 information in visl documentation.
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Vegard Nossum writes:
This patch series replaces some instances of 'class:: toc-title' with
toctree's :caption: attribute, see the last patch in the series for some
more rationale/explanation.
"class:: toc-title" was a workaround for older Sphinx versions that are
no longer supported.
The canonical way to add a heading to the ToC is to use :caption:.
Do that.
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231027081830.195056-4-vegard.nossum@oracle.com
Add starfive_camss.rst file that documents the Starfive Camera
Subsystem driver which is used for handing image sensor data.
Signed-off-by: Jack Zhu <jack.zhu@starfivetech.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The canonical location for the tracefs filesystem is at
/sys/kernel/tracing.
But, from Documentation/trace/ftrace.rst:
Before 4.1, all ftrace tracing control files were within the debugfs
file system, which is typically located at /sys/kernel/debug/tracing.
For backward compatibility, when mounting the debugfs file system,
the tracefs file system will be automatically mounted at:
/sys/kernel/debug/tracing
Update the visl decoder driver documentation to use this tracefs path.
Signed-off-by: Ross Zwisler <zwisler@google.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The "admin-guide" documentation for the Digiteq Automotive MGB4 driver.
Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
source.codeaurora.org is no longer accessible and so the reference links
in the documentation are not useful. The content was mirrored over to
Code Linaro so lets update the references to point there instead.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The vs6624 camera sensor driver doesn't support DT and relies on
platform data. The last board files supplying platform data for that
device have been removed from the kernel in v4.17. The driver hasn't
been used since them. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The sr030pc30 camera sensor driver doesn't support DT and relies on
platform data. No board file has ever provided platform data for that
device. The driver has thus never been used in the mainline kernel since
its introduction in v2.6.37. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The s5k6aa camera sensor driver doesn't support DT and relies on
platform data. The last board files supplying platform data for that
device have been removed from the kernel in v3.11. The driver hasn't
been used since them. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The noon010pc30 camera sensor driver doesn't support DT and relies on
platform data. The last board files supplying platform data for that
device have been removed from the kernel in v3.16. A device tree file
referencing the device has been added in v3.17, but without
corresponding DT bindings, and with DT support in the driver. The driver
thus hasn't been used since v316. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The mt9t001 camera sensor driver doesn't support DT and relies on
platform data. No board file has ever provided platform data for that
device. The driver has thus never been used in the mainline kernel since
its introduction in v3.2. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The mt9m032 camera sensor driver doesn't support DT and relies on
platform data. No board file has ever provided platform data for that
device. The driver has thus never been used in the mainline kernel since
its introduction in v3.4. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The m5mols camera sensor driver doesn't support DT and relies on
platform data. The last board files supplying platform data for that
device have been removed from the kernel in v3.11. The driver hasn't
been used since them. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The ad9389b video encoder driver doesn't support DT and relies on
platform data. No board file has ever provided platform data for that
device. The driver has thus never been used in the mainline kernel since
its introduction in v3.7. Drop it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The CEC pin framework is affected by NTP daemons speeding up or slowing
down the system clock. Document this and explain how to fix this for
chronyd.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The documentation on how to create your own Raspberry Pi CEC debugger was a
bit out of date. Update it to the Raspberry Pi 4B, drop the mention of the RTC
and a link to a picture that no longer works.
Also reorganize the text to make it easier to follow and change the pins to
match the pins I use.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Merge tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Removal of several VB1-only deprecated drivers: cpia2, fsl-viu, meye,
stkwebcam, tm6000, vpfe_capture and zr364xx
- saa7146 recovered from staging/deprecated. We opted to give ti a
chance, and, instead of deprecating it, the intention is to write
patches migrating it from VB1 to VB2.
- av7110 returned from staging/deprecated/ to staging/ as we're not
planning on dropping it any time soon
- media controller API has gained experimental support for G_ROUTING
and streams API. No drivers use it right now. We're planning to add
one after -rc1, giving some time to experience the API and eventually
have changes during the next development cycle
- New sensor drivers: imx296, imx415, ov8858
- Atomisp had lots of changes, specially on its sensor's interface,
making atomisp sensor drivers closer to normal sensor drivers
- media controller kAPI has gained some helpers to traverse pipelines
- uvcvideo now better support power line control
- lots of bug fixes, cleanups and driver improvements
* tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (296 commits)
media: imx-mipi-csis: Check csis_fmt validity before use
media: v4l2-subdev.c: clear stream field
media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line
media: Revert "media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci"
media: Revert "media: av7110: move to staging/media/deprecated/saa7146"
media: imx-pxp: convert to regmap
media: imx-pxp: Use non-threaded IRQ
media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers
media: imx-pxp: Implement frame size enumeration
media: imx-pxp: Pass pixel format value to find_format()
media: imx-pxp: Add media controller support
media: imx-pxp: Don't set bus_info manually in .querycap()
media: imx-pxp: Sort headers alphabetically
media: imx-pxp: add support for i.MX7D
media: imx-pxp: make data_path_ctrl0 platform dependent
media: imx-pxp: disable LUT block
media: imx-pxp: explicitly disable unused blocks
media: imx-pxp: extract helper function to setup data path
media: imx-pxp: detect PXP version
media: dt-bindings: media: fsl-pxp: convert to yaml
...
changes include:
- Some significant additions to the memory-management documentation
- Some improvements to navigation in the HTML-rendered docs
- More Spanish and Chinese translations
...and the usual set of typo fixes and such.
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Merge tag 'docs-6.3' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a moderately calm cycle for documentation; the significant
changes include:
- Some significant additions to the memory-management documentation
- Some improvements to navigation in the HTML-rendered docs
- More Spanish and Chinese translations
... and the usual set of typo fixes and such"
* tag 'docs-6.3' of git://git.lwn.net/linux: (68 commits)
Documentation/watchdog/hpwdt: Fix Format
Documentation/watchdog/hpwdt: Fix Reference
Documentation: core-api: padata: correct spelling
docs/mm: Physical Memory: correct spelling in reference to CONFIG_PAGE_EXTENSION
docs: Use HTML comments for the kernel-toc SPDX line
docs: Add more information to the HTML sidebar
Documentation: KVM: Update AMD memory encryption link
printk: Document that CONFIG_BOOT_PRINTK_DELAY required for boot_delay=
Documentation: userspace-api: correct spelling
Documentation: sparc: correct spelling
Documentation: driver-api: correct spelling
Documentation: admin-guide: correct spelling
docs: add workload-tracing document to admin-guide
docs/admin-guide/mm: remove useless markup
docs/mm: remove useless markup
docs/mm: Physical Memory: remove useless markup
docs/sp_SP: Add process magic-number translation
docs: ftrace: always use canonical ftrace path
Doc/damon: fix the data path error
dma-buf: Add "dma-buf" to title of documentation
...
The tm6000 driver does not use the vb2 framework for streaming
video, instead it uses the old vb1 framework and nobody stepped in to
convert this driver to vb2.
The hardware is very old, so the decision was made to remove it
altogether since we want to get rid of the old vb1 framework.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The zr364xx driver does not use the vb2 framework for streaming
video, instead it uses the old vb1 framework and nobody stepped in to
convert this driver to vb2.
The hardware is very old, so the decision was made to remove it
altogether since we want to get rid of the old vb1 framework.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The stkwebcam driver does not use the vb2 framework for streaming
video, instead it implements this in the driver. This is error prone,
and nobody stepped in to convert this driver to that framework.
The hardware is very old, so the decision was made to remove it
altogether.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
