enum fe_sec_mini_cmd is documented together with
FE_DISEQC_SEND_BURST.
Add xrefs for each entry there. This makes the hyperlinks at
frontend.h to go directly to the right documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
enum fe_caps is documented at FE_GET_INFO ioctl. Add xrefs
for each entry there. This makes the hyperlinks at frontend.h
to go directly to the right documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
In order to be sure that all enum definitions will be documented,
let's parse the enum values and add xref links to them.
Lots of missing references will be risen as we miss adding
id's to those symbols at the documentation. Next patches will
fix this.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
As reminded by Jonathan, several places where emphasys
role="tt" were used are actually trying to change the font to
monospaced.
We do that, on other places, by using the constant tag.
So, use it here too.
Reported-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
We don't want to announce anything, but to add a note ;)
So:
notice -> note
notided -> noted
While here, fix another typo at media_api.tmpl:
with -> which
Reported-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The DVB network API was not documented. There are just some
placeholders there.
Replace it by a proper documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Make sure that the documentation clearly states who is zeroing reserved
fields: drivers and/or applications.
This patch syncs the documentation with the checks that v4l2-compliance
and valgrind do.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Document the new field and defines to set the transfer function needed
to correctly decode the colors of an image.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The changeset dc9ef7d112 change the open() ioctl documentation to
match the V4L2 open(). However, some cut-and-pasted stuff doesn't
match what actually happens at the DVB core.
So, fix the documentation entry to be more accurate with the DVB
frontend open() specifics.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
To fix the last xmllint errors the open and close function reference
description was rewritten based on the v4l2 open and close functions.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Fixes a large number of xmllint errors.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Document this new colorspace define.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Document this new colorspace define.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This format was added but not documented. Do this now.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The DVB part of the media API documentation has several
legacy things on it:
- Examples that don't work;
- APIs unused and deprecated;
- places mentioning the wrong API version.
Fix them and bump the documentation version, in order to
reflect the cleanup efforts to make it more consistent with
the current status of the API.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Due to a cut-and-paste error, the argument is missing or wrong
on 3 ioctl documentation. Fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The notes there are somewhat confusing and assumes that the
reader would have read the DVBv3 way. This is not true anymore,
as the DVBv3 is now on a separate section that is marked as
deprecated.
So, cleanup the notes.
While here, add a note about using libdvbv5, instead of using
the DVBv5 API directly.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
In order to make it clearer about how to use the DVBv5 calls,
add an example of its usage. That should make it clearer about
what's actually required for the DVBv5 calls to work.
While here, also mentions the libdvbv5 library.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Rename the tytle of the struct documentation to reflect
the name of the structures, and use links to do cross-ref.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
fe_bandwidth/fe_bandwidth_t is used only on DVBv3 API. So, move
it to the frontend legacy xml, and convert it into a table.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
At frontend legacy API description, there are three places
where fe_modulation_t is defined. Cross-reference it to point
to the right place at the documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The typedef parser is wrong and doesn't get some of the
types defined at the DVB API. Improve it, as we want to add
cross-references to those types.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
There are a few issues at FE_GET_INFO documentation:
- name is a string, not a pointer to a string;
- the return text should be after the paragraph.
While here, better to bold that two fields of the structure used
by FE_GET_INFO are actually deprecated.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of using programlisting, use a table, as this provides
a better view of the structure.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The fe_type is deprecated at the DVB API. However, it may still
be used by legacy DVBv3 applications. While this works with old
devices, modern devices may support more than one delivery
system.
Add an explanation about that and a point to what should be
used, instead, in order for legacy apps to support newer hardware.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of just showing ioctls, let's add an introdutory text
briefly explaining the DVB frontend API.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
What's written there about the arguments for this ioctl
is bogus: it doesn't return an enum (or a typedef)
for enum fe_status. Instead, it returns a bitmask with the
values defined by enum fe_status.
Also, the size of the integer returned is not 16 bits, but,
instead, sizeof(fe_status_t), e. g. sizeof(enum), with is
arch-dependent.
This should of course be fixed, but this should be done on
a separate patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Move the function ioctl definitions to the end of the chapter,
at their importance. That makes the document better organized,
as the DVB frontend system call index will look like:
open()
close()
ioctl FE_GET_INFO — Query DVB frontend capabilities and returns information about the front-end. This call only requires read-only access to the device
ioctl FE_READ_STATUS — Returns status information about the front-end. This call only requires read-only access to the device
ioctl FE_SET_PROPERTY, FE_GET_PROPERTY — FE_SET_PROPERTY sets one or more frontend properties. FE_GET_PROPERTY returns one or more frontend properties.
ioctl FE_DISEQC_RESET_OVERLOAD — Restores the power to the antenna subsystem, if it was powered off due to power overload.
ioctl FE_DISEQC_SEND_MASTER_CMD — Sends a DiSEqC command
ioctl FE_DISEQC_RECV_SLAVE_REPLY — Receives reply from a DiSEqC 2.0 command
ioctl FE_DISEQC_SEND_BURST — Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.
ioctl FE_SET_TONE — Sets/resets the generation of the continuous 22kHz tone.
ioctl FE_SET_VOLTAGE — Allow setting the DC level sent to the antenna subsystem.
ioctl FE_ENABLE_HIGH_LNB_VOLTAGE — Select output DC level between normal LNBf voltages or higher LNBf voltages.
ioctl FE_SET_FRONTEND_TUNE_MODE — Allow setting tuner mode flags to the frontend.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the new format for the ioctl documentation and put the
struct dvb_diseqc_slave_reply together with the ioctl.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the new format for the ioctl documentation and put the
struct dvb_diseqc_slave_reply together with the ioctl.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the new format for the ioctl documentation and put the
struct dvb_diseqc_slave_reply together with the ioctl.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the proper format for FE_DISEQC_SEND_BURST documentation
and improve the documentation.
Keep the enum fe_sec_mini_cmd description together with
the ioctl, as both are used together.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the proper format for FE_SET_TONE documentation and
improve the documentation.
Keep the enum fe_sec_tone_mode description together with
the ioctl, as both are used together.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Use the proper format for FE_SET_VOLTAGE documentation and fix
the documentation. The description for the enum is not 100%,
and it is missing the voltage off value.
Also, it is better to keep the enum description together with
the ioctl, as both are used together.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
That helps the xref logic at the Makefile to point to the
right place. Also, it becomes more organized and easier to
maintain if each ioctl have its own xml file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
for the xml files describing ioctls, use the same nomenclature
as on V4L2: the ioctl name, in lower case, using - instead of _.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The new code that detects undocumented ioctls hits some false
positives:
This one is not documented, nor it should, as this is
there just to reserve namespace:
Warning: can't find reference for VIDIOC_RESERVED ioctl
But those are already documented together with other ioctls:
Warning: can't find reference for VIDIOC_UNSUBSCRIBE_EVENT ioctl
Warning: can't find reference for FE_GET_PROPERTY ioctl
Warning: can't find reference for VIDIOC_SUBDEV_G_EDID ioctl
Warning: can't find reference for VIDIOC_SUBDEV_S_EDID ioctl
Warning: can't find reference for VIDIOC_SUBDEV_S_DV_TIMINGS ioctl
Warning: can't find reference for VIDIOC_SUBDEV_G_DV_TIMINGS ioctl
Warning: can't find reference for VIDIOC_SUBDEV_QUERY_DV_TIMINGS ioctl
So, we need to just be sure to point to the right documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
There are several badly documented undocumented ioctls.
Currently, it just generates an empty link. Instead of doing that,
only add references to the ones that exists, and add a warning
for all references that weren't found.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Create xref links for all DTV properties and link the frontend.h
to each. Also use them at the DVB frontent API example.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of having two refentries, merge them into just one,
like what's done with other similar ioctls at V4L2 side.
That makes the entry cleaner and will allow to add the associated
structures together with the refentry.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of going to the V4L2 open(), use the xref to the
proper place at the frontend ioctls that were already
reformatted.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The DVBv5 API uses DVB properties as the main way to set the frontend
and collect statistics. Move the definition to happen earlier, in
order to reflect its importance.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Move the ioctl and enum fe_status to a separate xml file and
put it into a better format.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Keeping everything altogether makes harder to reorganize the
DocBook. So, move the FE_GET_INFO ioctl and the associated structures
into a separate file.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The DVB part of the docbook has a completely different format
than the V4L2 part, as it was written as a separate document.
As the V4L2 documentation is on better shape, and its format
allows adding more information, let's use it for FE_GET_INFO
and gradually update the non-legacy DVB ioctls using the new
format.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Although the recommended usage is the DVBv5 API calls, the
documentation doesn't make it clear about what's the recommended
calls and what's legacy.
So, move the legacy API bits to a separate xml, putting them into
a new section.
Please notice that more changes are needed, since some of the
bits there are cross-referenced elsewhere.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Currently, it is using 'role="tt"', but this is not defined at
the DocBook 4.5 spec. The net result is that no emphasis happens.
So, replace them to bold emphasis.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
An illustration of what's considered a typical media device
may help people to better understand the contents of the media
infrastructure API docbook. So, add it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Explain which clock was used to make the timestamp.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Looks ugly, a space before a period at the end of a sentence. Remove it.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
In comments and in the documentation, the units of properties marked
with the FE_SCALE_DECIBEL scale are specified in terms of 1/1000 dB
or 0.0001 dB. This is inconsistent, however, as 1/1000 is 0.001,
not 0.0001.
Note that the v4l-utils divide the value by 1000 for the signal
strength suggesting that the 1/1000 is correct.
Settle on millidecibels, ie. 1/1000dB or 0.001dB.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Document the interaction between VIDIOC_DECODER_CMD V4L2_DEC_CMD_STOP and
VIDIOC_ENCODER_CMD V4L2_ENC_CMD_STOP to start the draining, the V4L2_EVENT_EOS
event signalling all capture buffers are finished and ready to be dequeud,
the new V4L2_BUF_FLAG_LAST buffer flag indicating the last buffer being dequeued
from the capture queue, and the poll and VIDIOC_DQBUF ioctl return values once
the queue is drained.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
When using VIDIOC_G_EDID there is a special case where start_blocks and
blocks are both set to 0. In that case the driver just has to set blocks to
the total number of available blocks and return 0.
Even though the drivers do this right and v4l2-compliance tests for it, it
turned out not to be documented in the spec. Fix this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Mats Randgaard <matrandg@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* 'drm-next-merged' of git://people.freedesktop.org/~airlied/linux: (9717 commits)
media-bus: Fixup RGB444_1X12, RGB565_1X16, and YUV8_1X24 media bus format
hexdump: avoid warning in test function
fs: take i_mutex during prepare_binprm for set[ug]id executables
smp: Fix error case handling in smp_call_function_*()
iommu-common: Fix PARISC compile-time warnings
sparc: Make LDC use common iommu poll management functions
sparc: Make sparc64 use scalable lib/iommu-common.c functions
Break up monolithic iommu table/lock into finer graularity pools and lock
sparc: Revert generic IOMMU allocator.
tools/power turbostat: correct dumped pkg-cstate-limit value
tools/power turbostat: calculate TSC frequency from CPUID(0x15) on SKL
tools/power turbostat: correct DRAM RAPL units on recent Xeon processors
tools/power turbostat: Initial Skylake support
tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile
tools/power turbostat: modprobe msr, if needed
tools/power turbostat: dump MSR_TURBO_RATIO_LIMIT2
tools/power turbostat: use new MSR_TURBO_RATIO_LIMIT names
Bluetooth: hidp: Fix regression with older userspace and flags validation
config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected
perf/x86/intel/pt: Fix and clean up error handling in pt_event_add()
...
That solves several merge conflicts:
Documentation/DocBook/media/v4l/subdev-formats.xml
Documentation/devicetree/bindings/vendor-prefixes.txt
drivers/staging/media/mn88473/mn88473.c
include/linux/kconfig.h
include/uapi/linux/media-bus-format.h
The ones at subdev-formats.xml and media-bus-format.h are not trivial.
That's why we opted to merge from DRM.
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Change the constant values for RGB444_1X12, RGB565_1X16, and YUV8_1X24 media
bus formats in anticipation of a merge conflict with the media tree, where
the old values are already taken by RBG888_1X24, RGB888_1X32_PADHI, and
VUY8_1X24, respectively.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Document new flag V4L2_CTRL_FLAG_EXECUTE_ON_WRITE, and the new behavior
of CH_VALUE event on VOLATILE controls.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Keep the formats sorted by type, bus_width, bits per component, samples
per pixel and order of subsamples, in that order.
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Add support and documentation for two media bus formats:
MEDIA_BUS_FMT_RBG888_1X24 and MEDIA_BUS_FMT_RGB888_1X32_PADHI
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
While running v4l2-compliance tests on vivid I suddenly got errors due to
a call to vmalloc_user with size 0 from vb2.
Digging deeper into the cause I discovered that this was due to the fact that
struct v4l2_plane_pix_format defines bytesperline as a __u16 instead of a __u32.
The test I was running selected a format of 4 * 4096 by 4 * 2048 with a 32
bit pixelformat.
So bytesperline was 4 * 4 * 4096 = 65536, which becomes 0 in a __u16. And
bytesperline * height is suddenly 0 as well. While the vivid driver may be
a virtual driver, it is to be expected that this limit will be hit for real
hardware as well in the near future: 8k deep-color video will already reach
it.
The solution is to change the type to __u32. The only drivers besides vivid
that use the multiplanar API are little-endian ARM and SH platforms (exynos,
ti-vpe, vsp1), so this is safe.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This fixes the bibliography hyperlink to "http://www.eia.org"
which now redirects to a page with a "404 Not found" error.
The latest update to the document referred to is now available
on the Consumer Electronics Association website.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Explicitly specify where the half-line is added or removed in
each field.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Prashant Laddha <prladdha@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
One number was wrong (0.6789 -> 0.6780) and Y' should have been Yc'.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
It always annoyed me that the event type documentation was separate from the struct
v4l2_event documentation. This patch moves it all to one place, VIDIOC_DQEVENT.
This makes much more sense.
Also changed the 'changes-flags' ref to 'ctrl-changes-flags' since this referred to
control changes. There is a src-changes-flags as well, so 'changes-flags' was a bit
vague.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Fix some awkward language in the VIDIOC_QUERYCAP description.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The type field of VIDIOC_CROPCAP does not allow the MPLANE variants, just
as all the other crop/selection related ioctls.
Fix the description of CROPCAP and G_CROP and make the text describing
this consistent for all selection ioctls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The documentation is not clear whether this is a three or four byte
format. Clarify this.
Also move the BGR666 format to the other 32 bit formats.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Fix the example of the V4L2_PIX_FMT_SGRBG8 Bayer format.
The even lines should read BGBG, not RBRB.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The colorspace section IDs were assigned to the title instead of to the
section. Some links failed because of that.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The documentation says that the bytesperline field in v4l2_pix_format refers
to the largest plane in the case of planar formats (i.e. multiple planes
stores in a single buffer).
For almost all planar formats the first plane is also the largest (or equal)
plane, except for two formats: V4L2_PIX_FMT_NV24/NV42. For this YUV 4:4:4
format the second chroma plane is twice the size of the first luma plane.
Looking at the very few drivers that support this format the bytesperline
value that they report is actually that of the first plane and not that
of the largest plane.
Rather than fixing the drivers it makes more sense to update the documentation
since it is very difficult to use the largest plane for this. You would have
to check what the format is in order to know to which plane bytesperline
belongs, which makes calculations much more difficult.
This patch updates the documentation accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
In contrast to all other colorspaces, the BT.2020 colorspace uses
limited range R'G'B' quantization as the default.
This was incorrected documented, so fix this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The denominator for the scaling and offsets is 256, not 255. Fix this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Commit 9e74d2926a ("staging: imx-drm: add LVDS666 support for parallel
display") describes a 24-bit bus format where three 6-bit components each
take the lower part of 8 bits with the two high bits zero padded. Add a
component-wise padded media bus format RGB666_1X24_CPADHI to support this
connection.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Emil Renner Berthing <kernel@esmil.dk>
This patch adds the media bus format for a 24-bit bus format with three
8-bit YUV components.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
This patch adds two more 24-bit RGB formats. BGR888 is more or less common,
GBR888 is used on the internal connection between the IPU display interface
and the TVE (VGA DAC) on i.MX53 SoCs.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
This patch adds three new RGB media bus formats that describe
18-bit or 24-bit samples transferred over an LVDS bus with three
or four differential data pairs, serialized into 7 time slots,
using standard SPWG/PSWG/VESA or JEIDA data ordering.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Add RGB444_1X12 and RGB565_1X16 format definitions and update the
documentation.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This fixes the bibliography hyperlink to "http://www.eia.org"
which now redirects to a page with a "404 Not found" error.
The latest update to the document referred to is now available
on the Consumer Electronics Association website.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The documentation of the xvYCC601 Y'CbCr encoding was part of the SMPTE 170M
(SDTV) colorspace, but it should have been part of the Rec. 709 (HDTV) colorspace
as per the xvYCC standard.
This change only affects the documentation and not any code.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
