diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap/media/0028-v4l-v4l2_subdev-userspace-format-API.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap/media/0028-v4l-v4l2_subdev-userspace-format-API.patch | 3546 |
1 files changed, 3546 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap/media/0028-v4l-v4l2_subdev-userspace-format-API.patch b/extras/recipes-kernel/linux/linux-omap/media/0028-v4l-v4l2_subdev-userspace-format-API.patch new file mode 100644 index 00000000..2b851d6f --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap/media/0028-v4l-v4l2_subdev-userspace-format-API.patch @@ -0,0 +1,3546 @@ +From 58fa3ca8af541e6704ac11703fc3091d856e0700 Mon Sep 17 00:00:00 2001 +From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> +Date: Tue, 16 Mar 2010 00:26:04 +0100 +Subject: [PATCH 28/43] v4l: v4l2_subdev userspace format API + +Add a userspace API to get, set and enumerate the media format on a +subdev pad. + +The format at the output of a subdev usually depends on the format at +its input(s). The try format operation is thus not suitable for probing +format at individual pads, as it can't modify the device state and thus +can't remember the format tried at the input to compute the output +format. + +To fix the problem, pass an extra argument to the get/set format +operations to select the 'try' or 'active' format. + +The try format is used when probing the subdev. Setting the try format +must not change the device configuration but can store data for later +reuse. Data storage is provided at the file-handle level so applications +probing the subdev concurently won't interfere with each other. + +The active format is used when configuring the subdev. It's identical to +the format handled by the usual get/set operations. + +Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> +Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> +Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> +--- + Documentation/DocBook/Makefile | 5 +- + Documentation/DocBook/media-entities.tmpl | 16 + + Documentation/DocBook/v4l/dev-subdev.xml | 274 +++ + Documentation/DocBook/v4l/subdev-formats.xml | 2416 ++++++++++++++++++++ + Documentation/DocBook/v4l/v4l2.xml | 4 + + Documentation/DocBook/v4l/vidioc-streamon.xml | 9 + + .../DocBook/v4l/vidioc-subdev-enum-frame-size.xml | 148 ++ + .../DocBook/v4l/vidioc-subdev-enum-mbus-code.xml | 113 + + Documentation/DocBook/v4l/vidioc-subdev-g-fmt.xml | 174 ++ + drivers/media/video/v4l2-subdev.c | 49 + + include/linux/Kbuild | 1 + + include/linux/v4l2-subdev.h | 90 + + include/media/v4l2-subdev.h | 10 + + 13 files changed, 3308 insertions(+), 1 deletions(-) + create mode 100644 Documentation/DocBook/v4l/dev-subdev.xml + create mode 100644 Documentation/DocBook/v4l/subdev-formats.xml + create mode 100644 Documentation/DocBook/v4l/vidioc-subdev-enum-frame-size.xml + create mode 100644 Documentation/DocBook/v4l/vidioc-subdev-enum-mbus-code.xml + create mode 100644 Documentation/DocBook/v4l/vidioc-subdev-g-fmt.xml + create mode 100644 include/linux/v4l2-subdev.h + +diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile +index 8b6e00a..2deb069 100644 +--- a/Documentation/DocBook/Makefile ++++ b/Documentation/DocBook/Makefile +@@ -53,7 +53,10 @@ MAN := $(patsubst %.xml, %.9, $(BOOKS)) + mandocs: $(MAN) + + build_images = mkdir -p $(objtree)/Documentation/DocBook/media/ && \ +- cp $(srctree)/Documentation/DocBook/dvb/*.png $(srctree)/Documentation/DocBook/v4l/*.gif $(objtree)/Documentation/DocBook/media/ ++ cp $(srctree)/Documentation/DocBook/dvb/*.png \ ++ $(srctree)/Documentation/DocBook/v4l/*.gif \ ++ $(srctree)/Documentation/DocBook/v4l/*.png \ ++ $(objtree)/Documentation/DocBook/media/ + + xmldoclinks: + ifneq ($(objtree),$(srctree)) +diff --git a/Documentation/DocBook/media-entities.tmpl b/Documentation/DocBook/media-entities.tmpl +index 679c585..538f8fe 100644 +--- a/Documentation/DocBook/media-entities.tmpl ++++ b/Documentation/DocBook/media-entities.tmpl +@@ -86,6 +86,10 @@ + <!ENTITY VIDIOC-S-PRIORITY "<link linkend='vidioc-g-priority'><constant>VIDIOC_S_PRIORITY</constant></link>"> + <!ENTITY VIDIOC-S-STD "<link linkend='vidioc-g-std'><constant>VIDIOC_S_STD</constant></link>"> + <!ENTITY VIDIOC-S-TUNER "<link linkend='vidioc-g-tuner'><constant>VIDIOC_S_TUNER</constant></link>"> ++<!ENTITY VIDIOC-SUBDEV-ENUM-FRAME-SIZE "<link linkend='vidioc-subdev-enum-frame-size'><constant>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</constant></link>"> ++<!ENTITY VIDIOC-SUBDEV-ENUM-MBUS-CODE "<link linkend='vidioc-subdev-enum-mbus-code'><constant>VIDIOC_SUBDEV_ENUM_MBUS_CODE</constant></link>"> ++<!ENTITY VIDIOC-SUBDEV-G-FMT "<link linkend='vidioc-subdev-g-fmt'><constant>VIDIOC_SUBDEV_G_FMT</constant></link>"> ++<!ENTITY VIDIOC-SUBDEV-S-FMT "<link linkend='vidioc-subdev-g-fmt'><constant>VIDIOC_SUBDEV_S_FMT</constant></link>"> + <!ENTITY VIDIOC-TRY-ENCODER-CMD "<link linkend='vidioc-encoder-cmd'><constant>VIDIOC_TRY_ENCODER_CMD</constant></link>"> + <!ENTITY VIDIOC-TRY-EXT-CTRLS "<link linkend='vidioc-g-ext-ctrls'><constant>VIDIOC_TRY_EXT_CTRLS</constant></link>"> + <!ENTITY VIDIOC-TRY-FMT "<link linkend='vidioc-g-fmt'><constant>VIDIOC_TRY_FMT</constant></link>"> +@@ -107,6 +111,7 @@ + <!ENTITY v4l2-field "enum <link linkend='v4l2-field'>v4l2_field</link>"> + <!ENTITY v4l2-frmivaltypes "enum <link linkend='v4l2-frmivaltypes'>v4l2_frmivaltypes</link>"> + <!ENTITY v4l2-frmsizetypes "enum <link linkend='v4l2-frmsizetypes'>v4l2_frmsizetypes</link>"> ++<!ENTITY v4l2-mbus-pixelcode "enum <link linkend='v4l2-mbus-pixelcode'>v4l2_mbus_pixelcode</link>"> + <!ENTITY v4l2-memory "enum <link linkend='v4l2-memory'>v4l2_memory</link>"> + <!ENTITY v4l2-mpeg-audio-ac3-bitrate "enum <link linkend='v4l2-mpeg-audio-ac3-bitrate'>v4l2_mpeg_audio_ac3_bitrate</link>"> + <!ENTITY v4l2-mpeg-audio-crc "enum <link linkend='v4l2-mpeg-audio-crc'>v4l2_mpeg_audio_crc</link>"> +@@ -130,6 +135,7 @@ + <!ENTITY v4l2-mpeg-video-encoding "enum <link linkend='v4l2-mpeg-video-encoding'>v4l2_mpeg_video_encoding</link>"> + <!ENTITY v4l2-power-line-frequency "enum <link linkend='v4l2-power-line-frequency'>v4l2_power_line_frequency</link>"> + <!ENTITY v4l2-priority "enum <link linkend='v4l2-priority'>v4l2_priority</link>"> ++<!ENTITY v4l2-subdev-format-whence "enum <link linkend='v4l2-subdev-format-whence'>v4l2_subdev_format_whence</link>"> + <!ENTITY v4l2-tuner-type "enum <link linkend='v4l2-tuner-type'>v4l2_tuner_type</link>"> + <!ENTITY v4l2-preemphasis "enum <link linkend='v4l2-preemphasis'>v4l2_preemphasis</link>"> + +@@ -171,6 +177,7 @@ + <!ENTITY v4l2-hw-freq-seek "struct <link linkend='v4l2-hw-freq-seek'>v4l2_hw_freq_seek</link>"> + <!ENTITY v4l2-input "struct <link linkend='v4l2-input'>v4l2_input</link>"> + <!ENTITY v4l2-jpegcompression "struct <link linkend='v4l2-jpegcompression'>v4l2_jpegcompression</link>"> ++<!ENTITY v4l2-mbus-framefmt "struct <link linkend='v4l2-mbus-framefmt'>v4l2_mbus_framefmt</link>"> + <!ENTITY v4l2-modulator "struct <link linkend='v4l2-modulator'>v4l2_modulator</link>"> + <!ENTITY v4l2-mpeg-vbi-fmt-ivtv "struct <link linkend='v4l2-mpeg-vbi-fmt-ivtv'>v4l2_mpeg_vbi_fmt_ivtv</link>"> + <!ENTITY v4l2-output "struct <link linkend='v4l2-output'>v4l2_output</link>"> +@@ -183,6 +190,9 @@ + <!ENTITY v4l2-sliced-vbi-cap "struct <link linkend='v4l2-sliced-vbi-cap'>v4l2_sliced_vbi_cap</link>"> + <!ENTITY v4l2-sliced-vbi-data "struct <link linkend='v4l2-sliced-vbi-data'>v4l2_sliced_vbi_data</link>"> + <!ENTITY v4l2-sliced-vbi-format "struct <link linkend='v4l2-sliced-vbi-format'>v4l2_sliced_vbi_format</link>"> ++<!ENTITY v4l2-subdev-frame-size-enum "struct <link linkend='v4l2-subdev-frame-size-enum'>v4l2_subdev_frame_size_enum</link>"> ++<!ENTITY v4l2-subdev-format "struct <link linkend='v4l2-subdev-format'>v4l2_subdev_format</link>"> ++<!ENTITY v4l2-subdev-mbus-code-enum "struct <link linkend='v4l2-subdev-mbus-code-enum'>v4l2_subdev_mbus_code_enum</link>"> + <!ENTITY v4l2-standard "struct <link linkend='v4l2-standard'>v4l2_standard</link>"> + <!ENTITY v4l2-streamparm "struct <link linkend='v4l2-streamparm'>v4l2_streamparm</link>"> + <!ENTITY v4l2-timecode "struct <link linkend='v4l2-timecode'>v4l2_timecode</link>"> +@@ -212,6 +222,7 @@ + <!ENTITY ENXIO "<errorcode>ENXIO</errorcode> error code"> + <!ENTITY EMFILE "<errorcode>EMFILE</errorcode> error code"> + <!ENTITY EPERM "<errorcode>EPERM</errorcode> error code"> ++<!ENTITY EPIPE "<errorcode>EPIPE</errorcode> error code"> + <!ENTITY ERANGE "<errorcode>ERANGE</errorcode> error code"> + + <!-- Subsections --> +@@ -230,6 +241,7 @@ + <!ENTITY sub-dev-raw-vbi SYSTEM "v4l/dev-raw-vbi.xml"> + <!ENTITY sub-dev-rds SYSTEM "v4l/dev-rds.xml"> + <!ENTITY sub-dev-sliced-vbi SYSTEM "v4l/dev-sliced-vbi.xml"> ++<!ENTITY sub-dev-subdev SYSTEM "v4l/dev-subdev.xml"> + <!ENTITY sub-dev-teletext SYSTEM "v4l/dev-teletext.xml"> + <!ENTITY sub-driver SYSTEM "v4l/driver.xml"> + <!ENTITY sub-libv4l SYSTEM "v4l/libv4l.xml"> +@@ -313,6 +325,10 @@ + <!ENTITY sub-reqbufs SYSTEM "v4l/vidioc-reqbufs.xml"> + <!ENTITY sub-s-hw-freq-seek SYSTEM "v4l/vidioc-s-hw-freq-seek.xml"> + <!ENTITY sub-streamon SYSTEM "v4l/vidioc-streamon.xml"> ++<!ENTITY sub-subdev-enum-frame-size SYSTEM "v4l/vidioc-subdev-enum-frame-size.xml"> ++<!ENTITY sub-subdev-enum-mbus-code SYSTEM "v4l/vidioc-subdev-enum-mbus-code.xml"> ++<!ENTITY sub-subdev-formats SYSTEM "v4l/subdev-formats.xml"> ++<!ENTITY sub-subdev-g-fmt SYSTEM "v4l/vidioc-subdev-g-fmt.xml"> + <!ENTITY sub-capture-c SYSTEM "v4l/capture.c.xml"> + <!ENTITY sub-keytable-c SYSTEM "v4l/keytable.c.xml"> + <!ENTITY sub-v4l2grab-c SYSTEM "v4l/v4l2grab.c.xml"> +diff --git a/Documentation/DocBook/v4l/dev-subdev.xml b/Documentation/DocBook/v4l/dev-subdev.xml +new file mode 100644 +index 0000000..12fdca4 +--- /dev/null ++++ b/Documentation/DocBook/v4l/dev-subdev.xml +@@ -0,0 +1,274 @@ ++ <title>Sub-device Interface</title> ++ ++ <para>The complex nature of V4L2 devices, where hardware is often made of ++ several integrated circuits that need to interact with each other in a ++ controlled way, leads to complex V4L2 drivers. The drivers usually reflect ++ the hardware model in software, and model the different hardware components ++ as software blocks called sub-devices.</para> ++ ++ <para>V4L2 sub-devices are usually kernel-only objects. If the V4L2 driver ++ implements the media device API, they will automatically inherit from media ++ entities. Applications will be able to enumerate the sub-devices and discover ++ the hardware topology using the media entities, pads and links enumeration ++ API.</para> ++ ++ <para>In addition to make sub-devices discoverable, drivers can also choose ++ to make them directly configurable by applications. When both the sub-device ++ driver and the V4L2 device driver support this, sub-devices will feature a ++ character device node on which ioctls can be called to ++ <itemizedlist> ++ <listitem>query, read and write sub-devices controls</listitem> ++ <listitem>subscribe and unsubscribe to events and retrieve them</listitem> ++ <listitem>negotiate image formats on individual pads</listitem> ++ </itemizedlist> ++ </para> ++ ++ <para>Sub-device character device nodes, conventionally named ++ <filename>/dev/v4l-subdev*</filename>, use major number 81.</para> ++ ++ <section> ++ <title>Controls</title> ++ <para>Most V4L2 controls are implemented by sub-device hardware. Drivers ++ usually merge all controls and expose them through video device nodes. ++ Applications can control all sub-devices through a single interface.</para> ++ ++ <para>Complex devices sometimes implement the same control in different ++ pieces of hardware. This situation is common in embedded platforms, where ++ both sensors and image processing hardware implement identical functions, ++ such as contrast adjustment, white balance or faulty pixels correction. As ++ the V4L2 controls API doesn't support several identical controls in a single ++ device, all but one of the identical controls are hidden.</para> ++ ++ <para>Applications can access those hidden controls through the sub-device ++ node with the V4L2 control API described in <xref linkend="control" />. The ++ ioctls behave identically as when issued on V4L2 device nodes, with the ++ exception that they deal only with controls implemented in the sub-device. ++ </para> ++ ++ <para>Depending on the driver, those controls might also be exposed through ++ one (or several) V4L2 device nodes.</para> ++ </section> ++ ++ <section> ++ <title>Events</title> ++ <para>V4L2 sub-devices can notify applications of events as described in ++ <xref linkend="event" />. The API behaves identically as when used on V4L2 ++ device nodes, with the exception that it only deals with events generated by ++ the sub-device. Depending on the driver, those events might also be reported ++ on one (or several) V4L2 device nodes.</para> ++ </section> ++ ++ <section id="pad-level-formats"> ++ <title>Pad-level Formats</title> ++ ++ <warning>Pad-level formats are only applicable to very complex device that ++ need to expose low-level format configuration to user space. Generic V4L2 ++ applications do <emphasis>not</emphasis> need to use the API described in ++ this section.</warning> ++ ++ <note>For the purpose of this section, the term ++ <wordasword>format</wordasword> means the combination of media bus data ++ format, frame width and frame height.</note> ++ ++ <para>Image formats are typically negotiated on video capture and output ++ devices using the <link linkend="crop">cropping and scaling</link> ioctls. ++ The driver is responsible for configuring every block in the video pipeline ++ according to the requested format at the pipeline input and/or ++ output.</para> ++ ++ <para>For complex devices, such as often found in embedded systems, ++ identical image sizes at the output of a pipeline can be achieved using ++ different hardware configurations. One such exemple is shown on ++ <xref linkend="pipeline-scaling" xrefstyle="template: Figure %n" />, where ++ image scaling can be performed on both the video sensor and the host image ++ processing hardware.</para> ++ ++ <figure id="pipeline-scaling"> ++ <title>Image Format Negotation on Pipelines</title> ++ <mediaobject> ++ <imageobject> ++ <imagedata fileref="pipeline.pdf" format="PS" /> ++ </imageobject> ++ <imageobject> ++ <imagedata fileref="pipeline.png" format="PNG" /> ++ </imageobject> ++ <textobject> ++ <phrase>High quality and high speed pipeline configuration</phrase> ++ </textobject> ++ </mediaobject> ++ </figure> ++ ++ <para>The sensor scaler is usually of less quality than the host scaler, but ++ scaling on the sensor is required to achieve higher frame rates. Depending ++ on the use case (quality vs. speed), the pipeline must be configured ++ differently. Applications need to configure the formats at every point in ++ the pipeline explicitly.</para> ++ ++ <para>Drivers that implement the <link linkend="media-controller-intro">media ++ API</link> can expose pad-level image format configuration to applications. ++ When they do, applications can use the &VIDIOC-SUBDEV-G-FMT; and ++ &VIDIOC-SUBDEV-S-FMT; ioctls. to negotiate formats on a per-pad basis.</para> ++ ++ <para>Applications are responsible for configuring coherent parameters on ++ the whole pipeline and making sure that connected pads have compatible ++ formats. The pipeline is checked for formats mismatch at &VIDIOC-STREAMON; ++ time, and an &EPIPE; is then returned if the configuration is ++ invalid.</para> ++ ++ <para>Pad-level image format configuration support can be tested by calling ++ the &VIDIOC-SUBDEV-G-FMT; ioctl on pad 0. If the driver returns an &EINVAL; ++ pad-level format configuration is not supported by the sub-device.</para> ++ ++ <section> ++ <title>Format Negotiation</title> ++ ++ <para>Acceptable formats on pads can (and usually do) depend on a number ++ of external parameters, such as formats on other pads, active links, or ++ even controls. Finding a combination of formats on all pads in a video ++ pipeline, acceptable to both application and driver, can't rely on formats ++ enumeration only. A format negotiation mechanism is required.</para> ++ ++ <para>Central to the format negotiation mechanism are the get/set format ++ operations. When called with the <structfield>which</structfield> argument ++ set to <constant>V4L2_SUBDEV_FORMAT_TRY</constant>, the ++ &VIDIOC-SUBDEV-G-FMT; and &VIDIOC-SUBDEV-S-FMT; ioctls operate on a set of ++ formats parameters that are not connected to the hardware configuration. ++ Modifying those 'try' formats leaves the device state untouched (this ++ applies to both the software state stored in the driver and the hardware ++ state stored in the device itself).</para> ++ ++ <para>While not kept as part of the device state, try formats are stored ++ in the sub-device file handles. A &VIDIOC-SUBDEV-G-FMT; call will return ++ the last try format set <emphasis>on the same sub-device file ++ handle</emphasis>. Several applications querying the same sub-device at ++ the same time will thus not interact with each other.</para> ++ ++ <para>To find out whether a particular format is supported by the device, ++ applications use the &VIDIOC-SUBDEV-S-FMT; ioctl. Drivers verify and, if ++ needed, change the requested <structfield>format</structfield> based on ++ device requirements and return the possibly modified value. Applications ++ can then choose to try a different format or accept the returned value and ++ continue.</para> ++ ++ <para>Formats returned by the driver during a negotiation iteration are ++ guaranteed to be supported by the device. In particular, drivers guarantee ++ that a returned format will not be further changed if passed to an ++ &VIDIOC-SUBDEV-S-FMT; call as-is (as long as external parameters, such as ++ formats on other pads or links' configuration are not changed).</para> ++ ++ <para>Drivers automatically propagate formats inside sub-devices. When a ++ try or active format is set on a pad, corresponding formats on other pads ++ of the same sub-device can be modified by the driver. Drivers are free to ++ modify formats as required by the device. However, they should comply with ++ the following rules when possible: ++ <itemizedlist> ++ <listitem>Formats should be propagated from sink pads to source pads. ++ Modifying a format on a source pad should not modify the format on any ++ sink pad.</listitem> ++ <listitem>Sub-devices that scale frames using variable scaling factors ++ should reset the scale factors to default values when sink pads formats ++ are modified. If the 1:1 scaling ratio is supported, this means that ++ source pads formats should be reset to the sink pads formats.</listitem> ++ </itemizedlist> ++ </para> ++ ++ <para>Formats are not propagated across links, as that would involve ++ propagating them from one sub-device file handle to another. Applications ++ must then take care to configure both ends of every link explicitly with ++ compatible formats. Identical formats on the two ends of a link are ++ guaranteed to be compatible. Drivers are free to accept different formats ++ matching device requirements as being compatible.</para> ++ ++ <para><xref linkend="sample-pipeline-config" xrefstyle="template:Table %n"/> ++ shows a sample configuration sequence for the pipeline described in ++ <xref linkend="pipeline-scaling" xrefstyle="template:Figure %n"/> (table ++ columns list entity names and pad numbers).</para> ++ ++ <table pgwide="0" frame="none" id="sample-pipeline-config"> ++ <title>Sample Pipeline Configuration</title> ++ <tgroup cols="3"> ++ <colspec colname="what"/> ++ <colspec colname="sensor-0" /> ++ <colspec colname="frontend-0" /> ++ <colspec colname="frontend-1" /> ++ <colspec colname="scaler-0" /> ++ <colspec colname="scaler-1" /> ++ <thead> ++ <row> ++ <entry></entry> ++ <entry>Sensor/0</entry> ++ <entry>Frontend/0</entry> ++ <entry>Frontend/1</entry> ++ <entry>Scaler/0</entry> ++ <entry>Scaler/1</entry> ++ </row> ++ </thead> ++ <tbody valign="top"> ++ <row> ++ <entry>Initial state</entry> ++ <entry>2048x1536</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ </row> ++ <row> ++ <entry>Configure frontend input</entry> ++ <entry>2048x1536</entry> ++ <entry><emphasis>2048x1536</emphasis></entry> ++ <entry><emphasis>2046x1534</emphasis></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ </row> ++ <row> ++ <entry>Configure scaler input</entry> ++ <entry>2048x1536</entry> ++ <entry>2048x1536</entry> ++ <entry>2046x1534</entry> ++ <entry><emphasis>2046x1534</emphasis></entry> ++ <entry><emphasis>2046x1534</emphasis></entry> ++ </row> ++ <row> ++ <entry>Configure scaler output</entry> ++ <entry>2048x1536</entry> ++ <entry>2048x1536</entry> ++ <entry>2046x1534</entry> ++ <entry>2046x1534</entry> ++ <entry><emphasis>1280x960</emphasis></entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ ++ <para> ++ <orderedlist> ++ <listitem>Initial state. The sensor output is set to its native 3MP ++ resolution. Resolutions on the host frontend and scaler input and output ++ pads are undefined.</listitem> ++ <listitem>The application configures the frontend input pad resolution to ++ 2048x1536. The driver propagates the format to the frontend output pad. ++ Note that the propagated output format can be different, as in this case, ++ than the input format, as the hardware might need to crop pixels (for ++ instance when converting a Bayer filter pattern to RGB or YUV).</listitem> ++ <listitem>The application configures the scaler input pad resolution to ++ 2046x1534 to match the frontend output resolution. The driver propagates ++ the format to the scaler output pad.</listitem> ++ <listitem>The application configures the scaler output pad resolution to ++ 1280x960.</listitem> ++ </orderedlist> ++ </para> ++ ++ <para>When satisfied with the try results, applications can set the active ++ formats by setting the <structfield>which</structfield> argument to ++ <constant>V4L2_SUBDEV_FORMAT_TRY</constant>. Active formats are changed ++ exactly as try formats by drivers. To avoid modifying the hardware state ++ during format negotiation, applications should negotiate try formats first ++ and then modify the active settings using the try formats returned during ++ the last negotiation iteration. This guarantees that the active format ++ will be applied as-is by the driver without being modified. ++ </para> ++ </section> ++ ++ </section> ++ ++ &sub-subdev-formats; +diff --git a/Documentation/DocBook/v4l/subdev-formats.xml b/Documentation/DocBook/v4l/subdev-formats.xml +new file mode 100644 +index 0000000..0cae572 +--- /dev/null ++++ b/Documentation/DocBook/v4l/subdev-formats.xml +@@ -0,0 +1,2416 @@ ++<section id="v4l2-mbus-format"> ++ <title>Media Bus Formats</title> ++ ++ <table pgwide="1" frame="none" id="v4l2-mbus-framefmt"> ++ <title>struct <structname>v4l2_mbus_framefmt</structname></title> ++ <tgroup cols="3"> ++ &cs-str; ++ <tbody valign="top"> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>width</structfield></entry> ++ <entry>Image width, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>height</structfield></entry> ++ <entry>Image height, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>code</structfield></entry> ++ <entry>Format code, from &v4l2-mbus-pixelcode;.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>field</structfield></entry> ++ <entry>Field order, from &v4l2-field;. See ++ <xref linkend="field-order" /> for details.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>colorspace</structfield></entry> ++ <entry>Image colorspace, from &v4l2-colorspace;. See ++ <xref linkend="colorspaces" /> for details.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>reserved</structfield>[7]</entry> ++ <entry>Reserved for future extensions. Applications and drivers must ++ set the array to zero.</entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ ++ <section id="v4l2-mbus-pixelcode"> ++ <title>Media Bus Pixel Codes</title> ++ ++ <para>The media bus pixel codes describe image formats as flowing over ++ physical busses (both between separate physical components and inside SoC ++ devices). This should not be confused with the V4L2 pixel formats that ++ describe, using four character codes, image formats as stored in memory. ++ </para> ++ ++ <para>While there is a relationship between image formats on busses and ++ image formats in memory (a raw Bayer image won't be magically converted to ++ JPEG just by storing it to memory), there is no one-to-one correspondance ++ between them.</para> ++ ++ <section> ++ <title>Packed RGB Formats</title> ++ ++ <para>Those formats transfer pixel data as red, green and blue components. ++ The format code is made of the following information. ++ <itemizedlist> ++ <listitem>The red, green and blue components order code, as encoded in a ++ pixel sample. Possible values are RGB and BGR.</listitem> ++ <listitem>The number of bits per component, for each component. The values ++ can be different for all components. Common values are 555 and 565. ++ </listitem> ++ <listitem>The number of bus samples per pixel. Pixels that are wider than ++ the bus width must be transferred in multiple samples. Common values are ++ 1 and 2.</listitem> ++ <listitem>The bus width.</listitem> ++ <listitem>For formats where the total number of bits per pixel is smaller ++ than the number of bus samples per pixel times the bus width, a padding ++ value stating if the bytes are padded in their most high order bits ++ (PADHI) or low order bits (PADLO).</listitem> ++ <listitem>For formats where the number of bus samples per pixel is larger ++ than 1, an endianness value stating if the pixel is transferred MSB first ++ (BE) or LSB first (LE).</listitem> ++ </itemizedlist> ++ </para> ++ ++ <para>For instance, a format where pixels are encoded as 5-bits red, 5-bits ++ green and 5-bit blue values padded on the high bit, transferred as 2 8-bit ++ samples per pixel with the most significant bits (padding, red and half of ++ the green value) transferred first will be named ++ <constant>V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE</constant>. ++ </para> ++ ++ <para>The following tables list existing packet RGB formats.</para> ++ ++ <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb"> ++ <title>RGB formats</title> ++ <tgroup cols="11"> ++ <colspec colname="id" align="left" /> ++ <colspec colname="code" align="center"/> ++ <colspec colname="bit" /> ++ <colspec colnum="4" colname="b07" align="center" /> ++ <colspec colnum="5" colname="b06" align="center" /> ++ <colspec colnum="6" colname="b05" align="center" /> ++ <colspec colnum="7" colname="b04" align="center" /> ++ <colspec colnum="8" colname="b03" align="center" /> ++ <colspec colnum="9" colname="b02" align="center" /> ++ <colspec colnum="10" colname="b01" align="center" /> ++ <colspec colnum="11" colname="b00" align="center" /> ++ <spanspec namest="b07" nameend="b00" spanname="b0" /> ++ <thead> ++ <row> ++ <entry>Identifier</entry> ++ <entry>Code</entry> ++ <entry></entry> ++ <entry spanname="b0">Data organization</entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry>Bit</entry> ++ <entry>7</entry> ++ <entry>6</entry> ++ <entry>5</entry> ++ <entry>4</entry> ++ <entry>3</entry> ++ <entry>2</entry> ++ <entry>1</entry> ++ <entry>0</entry> ++ </row> ++ </thead> ++ <tbody valign="top"> ++ <row id="V4L2-MBUS-FMT-RGB444-2X8-PADHI-BE"> ++ <entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE</entry> ++ <entry>0x1001</entry> ++ <entry></entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-RGB444-2X8-PADHI-LE"> ++ <entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE</entry> ++ <entry>0x1002</entry> ++ <entry></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-RGB555-2X8-PADHI-BE"> ++ <entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE</entry> ++ <entry>0x1003</entry> ++ <entry></entry> ++ <entry>0</entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-RGB555-2X8-PADHI-LE"> ++ <entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE</entry> ++ <entry>0x1004</entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>0</entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-BGR565-2X8-BE"> ++ <entry>V4L2_MBUS_FMT_BGR565_2X8_BE</entry> ++ <entry>0x1005</entry> ++ <entry></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-BGR565-2X8-LE"> ++ <entry>V4L2_MBUS_FMT_BGR565_2X8_LE</entry> ++ <entry>0x1006</entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-RGB565-2X8-BE"> ++ <entry>V4L2_MBUS_FMT_RGB565_2X8_BE</entry> ++ <entry>0x1007</entry> ++ <entry></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-RGB565-2X8-LE"> ++ <entry>V4L2_MBUS_FMT_RGB565_2X8_LE</entry> ++ <entry>0x1008</entry> ++ <entry></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </section> ++ ++ <section> ++ <title>Bayer Formats</title> ++ ++ <para>Those formats transfer pixel data as red, green and blue components. ++ The format code is made of the following information. ++ <itemizedlist> ++ <listitem>The red, green and blue components order code, as encoded in a ++ pixel sample. The possible values are shown in <xref ++ linkend="bayer-patterns" />.</listitem> ++ <listitem>The number of bits per pixel component. All components are ++ transferred on the same number of bits. Common values are 8, 10 and 12. ++ </listitem> ++ <listitem>If the pixel components are DPCM-compressed, a mention of the ++ DPCM compression and the number of bits per compressed pixel component. ++ </listitem> ++ <listitem>The number of bus samples per pixel. Pixels that are wider than ++ the bus width must be transferred in multiple samples. Common values are ++ 1 and 2.</listitem> ++ <listitem>The bus width.</listitem> ++ <listitem>For formats where the total number of bits per pixel is smaller ++ than the number of bus samples per pixel times the bus width, a padding ++ value stating if the bytes are padded in their most high order bits ++ (PADHI) or low order bits (PADLO).</listitem> ++ <listitem>For formats where the number of bus samples per pixel is larger ++ than 1, an endianness value stating if the pixel is transferred MSB first ++ (BE) or LSB first (LE).</listitem> ++ </itemizedlist> ++ </para> ++ ++ <para>For instance, a format with uncompressed 10-bit Bayer components ++ arranged in a red, green, green, blue pattern transferred as 2 8-bit ++ samples per pixel with the least significant bits transferred first will ++ be named <constant>V4L2_MBUS_FMT_SRGGB10_2X8_PADHI_LE</constant>. ++ </para> ++ ++ <figure id="bayer-patterns"> ++ <title>Bayer Patterns</title> ++ <mediaobject> ++ <imageobject> ++ <imagedata fileref="bayer.pdf" format="PS" /> ++ </imageobject> ++ <imageobject> ++ <imagedata fileref="bayer.png" format="PNG" /> ++ </imageobject> ++ <textobject> ++ <phrase>Bayer filter color patterns</phrase> ++ </textobject> ++ </mediaobject> ++ </figure> ++ ++ <para>The following table lists existing packet Bayer formats. The data ++ organization is given as an example for the first pixel only.</para> ++ ++ <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-bayer"> ++ <title>Bayer Formats</title> ++ <tgroup cols="15"> ++ <colspec colname="id" align="left" /> ++ <colspec colname="code" align="center"/> ++ <colspec colname="bit" /> ++ <colspec colnum="4" colname="b11" align="center" /> ++ <colspec colnum="5" colname="b10" align="center" /> ++ <colspec colnum="6" colname="b09" align="center" /> ++ <colspec colnum="7" colname="b08" align="center" /> ++ <colspec colnum="8" colname="b07" align="center" /> ++ <colspec colnum="9" colname="b06" align="center" /> ++ <colspec colnum="10" colname="b05" align="center" /> ++ <colspec colnum="11" colname="b04" align="center" /> ++ <colspec colnum="12" colname="b03" align="center" /> ++ <colspec colnum="13" colname="b02" align="center" /> ++ <colspec colnum="14" colname="b01" align="center" /> ++ <colspec colnum="15" colname="b00" align="center" /> ++ <spanspec namest="b11" nameend="b00" spanname="b0" /> ++ <thead> ++ <row> ++ <entry>Identifier</entry> ++ <entry>Code</entry> ++ <entry></entry> ++ <entry spanname="b0">Data organization</entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry>Bit</entry> ++ <entry>11</entry> ++ <entry>10</entry> ++ <entry>9</entry> ++ <entry>8</entry> ++ <entry>7</entry> ++ <entry>6</entry> ++ <entry>5</entry> ++ <entry>4</entry> ++ <entry>3</entry> ++ <entry>2</entry> ++ <entry>1</entry> ++ <entry>0</entry> ++ </row> ++ </thead> ++ <tbody valign="top"> ++ <row id="V4L2-MBUS-FMT-SBGGR8-1X8"> ++ <entry>V4L2_MBUS_FMT_SBGGR8_1X8</entry> ++ <entry>0x3001</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SGRBG8-1X8"> ++ <entry>V4L2_MBUS_FMT_SGRBG8_1X8</entry> ++ <entry>0x3002</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>g<subscript>7</subscript></entry> ++ <entry>g<subscript>6</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-DPCM8-1X8"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8</entry> ++ <entry>0x300b</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SGBRG10-DPCM8-1X8"> ++ <entry>V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8</entry> ++ <entry>0x300c</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>g<subscript>7</subscript></entry> ++ <entry>g<subscript>6</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SGRBG10-DPCM8-1X8"> ++ <entry>V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8</entry> ++ <entry>0x3009</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>g<subscript>7</subscript></entry> ++ <entry>g<subscript>6</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SRGGB10-DPCM8-1X8"> ++ <entry>V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8</entry> ++ <entry>0x300d</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>r<subscript>7</subscript></entry> ++ <entry>r<subscript>6</subscript></entry> ++ <entry>r<subscript>5</subscript></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-2X8-PADHI-BE"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE</entry> ++ <entry>0x3003</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-2X8-PADHI-LE"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE</entry> ++ <entry>0x3004</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-2X8-PADLO-BE"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE</entry> ++ <entry>0x3005</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-2X8-PADLO-LE"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE</entry> ++ <entry>0x3006</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ <entry>0</entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR10-1X10"> ++ <entry>V4L2_MBUS_FMT_SBGGR10_1X10</entry> ++ <entry>0x3007</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SGBRG10-1X10"> ++ <entry>V4L2_MBUS_FMT_SGBRG10_1X10</entry> ++ <entry>0x300e</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>g<subscript>9</subscript></entry> ++ <entry>g<subscript>8</subscript></entry> ++ <entry>g<subscript>7</subscript></entry> ++ <entry>g<subscript>6</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SGRBG10-1X10"> ++ <entry>V4L2_MBUS_FMT_SGRBG10_1X10</entry> ++ <entry>0x300a</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>g<subscript>9</subscript></entry> ++ <entry>g<subscript>8</subscript></entry> ++ <entry>g<subscript>7</subscript></entry> ++ <entry>g<subscript>6</subscript></entry> ++ <entry>g<subscript>5</subscript></entry> ++ <entry>g<subscript>4</subscript></entry> ++ <entry>g<subscript>3</subscript></entry> ++ <entry>g<subscript>2</subscript></entry> ++ <entry>g<subscript>1</subscript></entry> ++ <entry>g<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SRGGB10-1X10"> ++ <entry>V4L2_MBUS_FMT_SRGGB10_1X10</entry> ++ <entry>0x300f</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>r<subscript>9</subscript></entry> ++ <entry>r<subscript>8</subscript></entry> ++ <entry>r<subscript>7</subscript></entry> ++ <entry>r<subscript>6</subscript></entry> ++ <entry>r<subscript>5</subscript></entry> ++ <entry>r<subscript>4</subscript></entry> ++ <entry>r<subscript>3</subscript></entry> ++ <entry>r<subscript>2</subscript></entry> ++ <entry>r<subscript>1</subscript></entry> ++ <entry>r<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-SBGGR12-1X12"> ++ <entry>V4L2_MBUS_FMT_SBGGR12_1X12</entry> ++ <entry>0x3008</entry> ++ <entry></entry> ++ <entry>b<subscript>11</subscript></entry> ++ <entry>b<subscript>10</subscript></entry> ++ <entry>b<subscript>9</subscript></entry> ++ <entry>b<subscript>8</subscript></entry> ++ <entry>b<subscript>7</subscript></entry> ++ <entry>b<subscript>6</subscript></entry> ++ <entry>b<subscript>5</subscript></entry> ++ <entry>b<subscript>4</subscript></entry> ++ <entry>b<subscript>3</subscript></entry> ++ <entry>b<subscript>2</subscript></entry> ++ <entry>b<subscript>1</subscript></entry> ++ <entry>b<subscript>0</subscript></entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </section> ++ ++ <section> ++ <title>Packed YUV Formats</title> ++ ++ <para>Those data formats transfer pixel data as (possibly downsampled) Y, U ++ and V components. The format code is made of the following information. ++ <itemizedlist> ++ <listitem>The Y, U and V components order code, as transferred on the ++ bus. Possible values are YUYV, UYVY, YVYU and VYUY.</listitem> ++ <listitem>The number of bits per pixel component. All components are ++ transferred on the same number of bits. Common values are 8, 10 and 12. ++ </listitem> ++ <listitem>The number of bus samples per pixel. Pixels that are wider than ++ the bus width must be transferred in multiple samples. Common values are ++ 1, 1.5 (encoded as 1_5) and 2.</listitem> ++ <listitem>The bus width. When the bus width is larger than the number of ++ bits per pixel component, several components are packed in a single bus ++ sample. The components are ordered as specified by the order code, with ++ components on the left of the code transferred in the high order bits. ++ Common values are 8 and 16. ++ </listitem> ++ </itemizedlist> ++ </para> ++ ++ <para>For instance, a format where pixels are encoded as 8-bit YUV values ++ downsampled to 4:2:2 and transferred as 2 8-bit bus samples per pixel in the ++ U, Y, V, Y order will be named <constant>V4L2_MBUS_FMT_UYVY8_2X8</constant>. ++ </para> ++ ++ <para>The following table lisst existing packet YUV formats.</para> ++ ++ <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-yuv8"> ++ <title>YUV Formats</title> ++ <tgroup cols="23"> ++ <colspec colname="id" align="left" /> ++ <colspec colname="code" align="center"/> ++ <colspec colname="bit" /> ++ <colspec colnum="4" colname="b19" align="center" /> ++ <colspec colnum="5" colname="b18" align="center" /> ++ <colspec colnum="6" colname="b17" align="center" /> ++ <colspec colnum="7" colname="b16" align="center" /> ++ <colspec colnum="8" colname="b15" align="center" /> ++ <colspec colnum="9" colname="b14" align="center" /> ++ <colspec colnum="10" colname="b13" align="center" /> ++ <colspec colnum="11" colname="b12" align="center" /> ++ <colspec colnum="12" colname="b11" align="center" /> ++ <colspec colnum="13" colname="b10" align="center" /> ++ <colspec colnum="14" colname="b09" align="center" /> ++ <colspec colnum="15" colname="b08" align="center" /> ++ <colspec colnum="16" colname="b07" align="center" /> ++ <colspec colnum="17" colname="b06" align="center" /> ++ <colspec colnum="18" colname="b05" align="center" /> ++ <colspec colnum="19" colname="b04" align="center" /> ++ <colspec colnum="20" colname="b03" align="center" /> ++ <colspec colnum="21" colname="b02" align="center" /> ++ <colspec colnum="22" colname="b01" align="center" /> ++ <colspec colnum="23" colname="b00" align="center" /> ++ <spanspec namest="b19" nameend="b00" spanname="b0" /> ++ <thead> ++ <row> ++ <entry>Identifier</entry> ++ <entry>Code</entry> ++ <entry></entry> ++ <entry spanname="b0">Data organization</entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry>Bit</entry> ++ <entry>19</entry> ++ <entry>18</entry> ++ <entry>17</entry> ++ <entry>16</entry> ++ <entry>15</entry> ++ <entry>14</entry> ++ <entry>13</entry> ++ <entry>12</entry> ++ <entry>11</entry> ++ <entry>10</entry> ++ <entry>9</entry> ++ <entry>8</entry> ++ <entry>7</entry> ++ <entry>6</entry> ++ <entry>5</entry> ++ <entry>4</entry> ++ <entry>3</entry> ++ <entry>2</entry> ++ <entry>1</entry> ++ <entry>0</entry> ++ </row> ++ </thead> ++ <tbody valign="top"> ++ <row id="V4L2-MBUS-FMT-Y8-1X8"> ++ <entry>V4L2_MBUS_FMT_Y8_1X8</entry> ++ <entry>0x2001</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-UYVY8-1_5X8"> ++ <entry>V4L2_MBUS_FMT_UYVY8_1_5X8</entry> ++ <entry>0x2002</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-VYUY8-1_5X8"> ++ <entry>V4L2_MBUS_FMT_VYUY8_1_5X8</entry> ++ <entry>0x2003</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YUYV8-1_5X8"> ++ <entry>V4L2_MBUS_FMT_YUYV8_1_5X8</entry> ++ <entry>0x2004</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YVYU8-1_5X8"> ++ <entry>V4L2_MBUS_FMT_YVYU8_1_5X8</entry> ++ <entry>0x2005</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ 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<entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>9</subscript></entry> ++ <entry>v<subscript>8</subscript></entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YVYU10-2X10"> ++ <entry>V4L2_MBUS_FMT_YVYU10_2X10</entry> ++ <entry>0x200c</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ 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<entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>9</subscript></entry> ++ <entry>y<subscript>8</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>9</subscript></entry> ++ <entry>u<subscript>8</subscript></entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-UYVY8-1X16"> ++ <entry>V4L2_MBUS_FMT_UYVY8_1X16</entry> ++ <entry>0x200f</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-VYUY8-1X16"> ++ <entry>V4L2_MBUS_FMT_VYUY8_1X16</entry> ++ <entry>0x2010</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YUYV8-1X16"> ++ <entry>V4L2_MBUS_FMT_YUYV8_1X16</entry> ++ <entry>0x2011</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YVYU8-1X16"> ++ <entry>V4L2_MBUS_FMT_YVYU8_1X16</entry> ++ <entry>0x2012</entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>-</entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YUYV10-1X20"> ++ <entry>V4L2_MBUS_FMT_YUYV10_1X20</entry> ++ <entry>0x200d</entry> ++ <entry></entry> ++ <entry>y<subscript>9</subscript></entry> ++ <entry>y<subscript>8</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>u<subscript>9</subscript></entry> ++ <entry>u<subscript>8</subscript></entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>y<subscript>9</subscript></entry> ++ <entry>y<subscript>8</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>v<subscript>9</subscript></entry> ++ <entry>v<subscript>8</subscript></entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row id="V4L2-MBUS-FMT-YVYU10-1X20"> ++ <entry>V4L2_MBUS_FMT_YVYU10_1X20</entry> ++ <entry>0x200e</entry> ++ <entry></entry> ++ <entry>y<subscript>9</subscript></entry> ++ <entry>y<subscript>8</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>v<subscript>9</subscript></entry> ++ <entry>v<subscript>8</subscript></entry> ++ <entry>v<subscript>7</subscript></entry> ++ <entry>v<subscript>6</subscript></entry> ++ <entry>v<subscript>5</subscript></entry> ++ <entry>v<subscript>4</subscript></entry> ++ <entry>v<subscript>3</subscript></entry> ++ <entry>v<subscript>2</subscript></entry> ++ <entry>v<subscript>1</subscript></entry> ++ <entry>v<subscript>0</subscript></entry> ++ </row> ++ <row> ++ <entry></entry> ++ <entry></entry> ++ <entry></entry> ++ <entry>y<subscript>9</subscript></entry> ++ <entry>y<subscript>8</subscript></entry> ++ <entry>y<subscript>7</subscript></entry> ++ <entry>y<subscript>6</subscript></entry> ++ <entry>y<subscript>5</subscript></entry> ++ <entry>y<subscript>4</subscript></entry> ++ <entry>y<subscript>3</subscript></entry> ++ <entry>y<subscript>2</subscript></entry> ++ <entry>y<subscript>1</subscript></entry> ++ <entry>y<subscript>0</subscript></entry> ++ <entry>u<subscript>9</subscript></entry> ++ <entry>u<subscript>8</subscript></entry> ++ <entry>u<subscript>7</subscript></entry> ++ <entry>u<subscript>6</subscript></entry> ++ <entry>u<subscript>5</subscript></entry> ++ <entry>u<subscript>4</subscript></entry> ++ <entry>u<subscript>3</subscript></entry> ++ <entry>u<subscript>2</subscript></entry> ++ <entry>u<subscript>1</subscript></entry> ++ <entry>u<subscript>0</subscript></entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </section> ++ </section> ++</section> +diff --git a/Documentation/DocBook/v4l/v4l2.xml b/Documentation/DocBook/v4l/v4l2.xml +index 839e93e..695e3bf 100644 +--- a/Documentation/DocBook/v4l/v4l2.xml ++++ b/Documentation/DocBook/v4l/v4l2.xml +@@ -410,6 +410,7 @@ and discussions on the V4L mailing list.</revremark> + <section id="radio"> &sub-dev-radio; </section> + <section id="rds"> &sub-dev-rds; </section> + <section id="event"> &sub-dev-event; </section> ++ <section id="subdev"> &sub-dev-subdev; </section> + </chapter> + + <chapter id="driver"> +@@ -477,6 +478,9 @@ and discussions on the V4L mailing list.</revremark> + &sub-reqbufs; + &sub-s-hw-freq-seek; + &sub-streamon; ++ &sub-subdev-enum-frame-size; ++ &sub-subdev-enum-mbus-code; ++ &sub-subdev-g-fmt; + &sub-subscribe-event; + <!-- End of ioctls. --> + &sub-mmap; +diff --git a/Documentation/DocBook/v4l/vidioc-streamon.xml b/Documentation/DocBook/v4l/vidioc-streamon.xml +index e42bff1..75ed39b 100644 +--- a/Documentation/DocBook/v4l/vidioc-streamon.xml ++++ b/Documentation/DocBook/v4l/vidioc-streamon.xml +@@ -93,6 +93,15 @@ synchronize with other events.</para> + been allocated (memory mapping) or enqueued (output) yet.</para> + </listitem> + </varlistentry> ++ <varlistentry> ++ <term><errorcode>EPIPE</errorcode></term> ++ <listitem> ++ <para>The driver implements <link ++ linkend="pad-level-formats">pad-level format configuration</link> and ++ the pipeline configuration is invalid. ++ </para> ++ </listitem> ++ </varlistentry> + </variablelist> + </refsect1> + </refentry> +diff --git a/Documentation/DocBook/v4l/vidioc-subdev-enum-frame-size.xml b/Documentation/DocBook/v4l/vidioc-subdev-enum-frame-size.xml +new file mode 100644 +index 0000000..209e983 +--- /dev/null ++++ b/Documentation/DocBook/v4l/vidioc-subdev-enum-frame-size.xml +@@ -0,0 +1,148 @@ ++<refentry id="vidioc-subdev-enum-frame-size"> ++ <refmeta> ++ <refentrytitle>ioctl VIDIOC_SUBDEV_ENUM_FRAME_SIZE</refentrytitle> ++ &manvol; ++ </refmeta> ++ ++ <refnamediv> ++ <refname>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</refname> ++ <refpurpose>Enumerate media bus frame sizes</refpurpose> ++ </refnamediv> ++ ++ <refsynopsisdiv> ++ <funcsynopsis> ++ <funcprototype> ++ <funcdef>int <function>ioctl</function></funcdef> ++ <paramdef>int <parameter>fd</parameter></paramdef> ++ <paramdef>int <parameter>request</parameter></paramdef> ++ <paramdef>struct v4l2_subdev_frame_size_enum * ++ <parameter>argp</parameter></paramdef> ++ </funcprototype> ++ </funcsynopsis> ++ </refsynopsisdiv> ++ ++ <refsect1> ++ <title>Arguments</title> ++ ++ <variablelist> ++ <varlistentry> ++ <term><parameter>fd</parameter></term> ++ <listitem> ++ <para>&fd;</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>request</parameter></term> ++ <listitem> ++ <para>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>argp</parameter></term> ++ <listitem> ++ <para></para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++ ++ <refsect1> ++ <title>Description</title> ++ ++ <para>This ioctl allows applications to enumerate all frame sizes ++ supported by a sub-device on the given pad for the given media bus format. ++ Supported formats can be retrieved with the &VIDIOC-SUBDEV-ENUM-MBUS-CODE; ++ ioctl.</para> ++ ++ <para>To enumerate frame sizes applications initialize the ++ <structfield>pad</structfield>, <structfield>code</structfield> and ++ <structfield>index</structfield> fields of the ++ &v4l2-subdev-mbus-code-enum; and call the ++ <constant>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</constant> ioctl with a pointer to ++ the structure. Drivers fill the minimum and maximum frame sizes or return ++ an &EINVAL; if one of the input parameters is invalid.</para> ++ ++ <para>Sub-devices that only support discrete frame sizes (such as most ++ sensors) will return one or more frame sizes with identical minimum and ++ maximum values.</para> ++ ++ <para>Not all possible sizes in given [minimum, maximum] ranges need to be ++ supported. For instance, a scaler that uses a fixed-point scaling ratio ++ might not be able to produce every frame size between the minimum and ++ maximum values. Applications must use the &VIDIOC-SUBDEV-S-FMT; ioctl to ++ try the sub-device for an exact supported frame size.</para> ++ ++ <para>Available frame sizes may depend on the current 'try' formats at other ++ pads of the sub-device, as well as on the current active links and the ++ current values of V4L2 controls. See &VIDIOC-SUBDEV-G-FMT; for more ++ information about try formats.</para> ++ ++ <table pgwide="1" frame="none" id="v4l2-subdev-frame-size-enum"> ++ <title>struct <structname>v4l2_subdev_frame_size_enum</structname></title> ++ <tgroup cols="3"> ++ &cs-str; ++ <tbody valign="top"> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>index</structfield></entry> ++ <entry>Number of the format in the enumeration, set by the ++ application.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>pad</structfield></entry> ++ <entry>Pad number as reported by the media controller API.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>code</structfield></entry> ++ <entry>The media bus format code, as defined in ++ <xref linkend="v4l2-mbus-format" />.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>min_width</structfield></entry> ++ <entry>Minimum frame width, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>max_width</structfield></entry> ++ <entry>Maximum frame width, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>min_height</structfield></entry> ++ <entry>Minimum frame height, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>max_height</structfield></entry> ++ <entry>Maximum frame height, in pixels.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>reserved</structfield>[9]</entry> ++ <entry>Reserved for future extensions. Applications and drivers must ++ set the array to zero.</entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </refsect1> ++ ++ <refsect1> ++ &return-value; ++ ++ <variablelist> ++ <varlistentry> ++ <term><errorcode>EINVAL</errorcode></term> ++ <listitem> ++ <para>The &v4l2-subdev-frame-size-enum; <structfield>pad</structfield> ++ references a non-existing pad, the <structfield>code</structfield> is ++ invalid for the given pad or the <structfield>index</structfield> ++ field is out of bounds.</para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++</refentry> +diff --git a/Documentation/DocBook/v4l/vidioc-subdev-enum-mbus-code.xml b/Documentation/DocBook/v4l/vidioc-subdev-enum-mbus-code.xml +new file mode 100644 +index 0000000..763dbc7 +--- /dev/null ++++ b/Documentation/DocBook/v4l/vidioc-subdev-enum-mbus-code.xml +@@ -0,0 +1,113 @@ ++<refentry id="vidioc-subdev-enum-mbus-code"> ++ <refmeta> ++ <refentrytitle>ioctl VIDIOC_SUBDEV_ENUM_MBUS_CODE</refentrytitle> ++ &manvol; ++ </refmeta> ++ ++ <refnamediv> ++ <refname>VIDIOC_SUBDEV_ENUM_MBUS_CODE</refname> ++ <refpurpose>Enumerate media bus formats</refpurpose> ++ </refnamediv> ++ ++ <refsynopsisdiv> ++ <funcsynopsis> ++ <funcprototype> ++ <funcdef>int <function>ioctl</function></funcdef> ++ <paramdef>int <parameter>fd</parameter></paramdef> ++ <paramdef>int <parameter>request</parameter></paramdef> ++ <paramdef>struct v4l2_subdev_mbus_code_enum * ++ <parameter>argp</parameter></paramdef> ++ </funcprototype> ++ </funcsynopsis> ++ </refsynopsisdiv> ++ ++ <refsect1> ++ <title>Arguments</title> ++ ++ <variablelist> ++ <varlistentry> ++ <term><parameter>fd</parameter></term> ++ <listitem> ++ <para>&fd;</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>request</parameter></term> ++ <listitem> ++ <para>VIDIOC_SUBDEV_ENUM_MBUS_CODE</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>argp</parameter></term> ++ <listitem> ++ <para></para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++ ++ <refsect1> ++ <title>Description</title> ++ ++ <para>To enumerate media bus formats available at a given sub-device pad ++ applications initialize the <structfield>pad</structfield> and ++ <structfield>index</structfield> fields of &v4l2-subdev-mbus-code-enum; and ++ call the <constant>VIDIOC_SUBDEV_ENUM_MBUS_CODE</constant> ioctl with a ++ pointer to this structure. Drivers fill the rest of the structure or return ++ an &EINVAL; if either the <structfield>pad</structfield> or ++ <structfield>index</structfield> are invalid. All media bus formats are ++ enumerable by beginning at index zero and incrementing by one until ++ <errorcode>EINVAL</errorcode> is returned.</para> ++ ++ <para>Available media bus formats may depend on the current 'try' formats ++ at other pads of the sub-device, as well as on the current active links. See ++ &VIDIOC-SUBDEV-G-FMT; for more information about the try formats.</para> ++ ++ <table pgwide="1" frame="none" id="v4l2-subdev-mbus-code-enum"> ++ <title>struct <structname>v4l2_subdev_mbus_code_enum</structname></title> ++ <tgroup cols="3"> ++ &cs-str; ++ <tbody valign="top"> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>pad</structfield></entry> ++ <entry>Pad number as reported by the media controller API.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>index</structfield></entry> ++ <entry>Number of the format in the enumeration, set by the ++ application.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>code</structfield></entry> ++ <entry>The media bus format code, as defined in ++ <xref linkend="v4l2-mbus-format" />.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>reserved</structfield>[9]</entry> ++ <entry>Reserved for future extensions. Applications and drivers must ++ set the array to zero.</entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </refsect1> ++ ++ <refsect1> ++ &return-value; ++ ++ <variablelist> ++ <varlistentry> ++ <term><errorcode>EINVAL</errorcode></term> ++ <listitem> ++ <para>The &v4l2-subdev-mbus-code-enum; <structfield>pad</structfield> ++ references a non-existing pad, or the <structfield>index</structfield> ++ field is out of bounds.</para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++</refentry> +diff --git a/Documentation/DocBook/v4l/vidioc-subdev-g-fmt.xml b/Documentation/DocBook/v4l/vidioc-subdev-g-fmt.xml +new file mode 100644 +index 0000000..f06c41b +--- /dev/null ++++ b/Documentation/DocBook/v4l/vidioc-subdev-g-fmt.xml +@@ -0,0 +1,174 @@ ++<refentry id="vidioc-subdev-g-fmt"> ++ <refmeta> ++ <refentrytitle>ioctl VIDIOC_SUBDEV_G_FMT, VIDIOC_SUBDEV_S_FMT</refentrytitle> ++ &manvol; ++ </refmeta> ++ ++ <refnamediv> ++ <refname>VIDIOC_SUBDEV_G_FMT</refname> ++ <refname>VIDIOC_SUBDEV_S_FMT</refname> ++ <refpurpose>Get or set the data format on a subdev pad</refpurpose> ++ </refnamediv> ++ ++ <refsynopsisdiv> ++ <funcsynopsis> ++ <funcprototype> ++ <funcdef>int <function>ioctl</function></funcdef> ++ <paramdef>int <parameter>fd</parameter></paramdef> ++ <paramdef>int <parameter>request</parameter></paramdef> ++ <paramdef>struct v4l2_subdev_format *<parameter>argp</parameter> ++ </paramdef> ++ </funcprototype> ++ </funcsynopsis> ++ </refsynopsisdiv> ++ ++ <refsect1> ++ <title>Arguments</title> ++ ++ <variablelist> ++ <varlistentry> ++ <term><parameter>fd</parameter></term> ++ <listitem> ++ <para>&fd;</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>request</parameter></term> ++ <listitem> ++ <para>VIDIOC_SUBDEV_G_FMT, VIDIOC_SUBDEV_S_FMT</para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><parameter>argp</parameter></term> ++ <listitem> ++ <para></para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++ ++ <refsect1> ++ <title>Description</title> ++ ++ <para>These ioctls are used to negotiate the frame format at specific ++ subdev pads in the image pipeline.</para> ++ ++ <para>To retrieve the current format applications set the ++ <structfield>pad</structfield> field of a &v4l2-subdev-format; to the ++ desired pad number as reported by the media API and the ++ <structfield>which</structfield> field to ++ <constant>V4L2_SUBDEV_FORMAT_ACTIVE</constant>. When they call the ++ <constant>VIDIOC_SUBDEV_G_FMT</constant> ioctl with a pointer to this ++ structure the driver fills the members of the <structfield>format</structfield> ++ field.</para> ++ ++ <para>To change the current format applications set both the ++ <structfield>pad</structfield> and <structfield>which</structfield> fields ++ and all members of the <structfield>format</structfield> field. When they ++ call the <constant>VIDIOC_SUBDEV_S_FMT</constant> ioctl with a pointer to this ++ structure the driver verifies the requested format, adjusts it based on the ++ hardware capabilities and configures the device. Upon return the ++ &v4l2-subdev-format; contains the current format as would be returned by a ++ <constant>VIDIOC_SUBDEV_G_FMT</constant> call.</para> ++ ++ <para>Applications can query the device capabilities by setting the ++ <structfield>which</structfield> to ++ <constant>V4L2_SUBDEV_FORMAT_TRY</constant>. When set, 'try' formats are not ++ applied to the device by the driver, but are changed exactly as active ++ formats and stored in the sub-device file handle. Two applications querying ++ the same sub-device would thus not interact with each other.</para> ++ ++ <para>For instance, to try a format at the output pad of a sub-device, ++ applications would first set the try format at the sub-device input with the ++ <constant>VIDIOC_SUBDEV_S_FMT</constant> ioctl. They would then either ++ retrieve the default format at the output pad with the ++ <constant>VIDIOC_SUBDEV_G_FMT</constant> ioctl, or set the desired output ++ pad format with the <constant>VIDIOC_SUBDEV_S_FMT</constant> ioctl and check ++ the returned value.</para> ++ ++ <para>Try formats do not depend on active formats, but can depend on the ++ current links configuration or sub-device controls value. For instance, a ++ low-pass noise filter might crop pixels at the frame boundaries, modifying ++ its output frame size.</para> ++ ++ <para>Drivers must not return an error solely because the requested format ++ doesn't match the device capabilities. They must instead modify the format ++ to match what the hardware can provide. The modified format should be as ++ close as possible to the original request.</para> ++ ++ <table pgwide="1" frame="none" id="v4l2-subdev-format"> ++ <title>struct <structname>v4l2_subdev_format</structname></title> ++ <tgroup cols="3"> ++ &cs-str; ++ <tbody valign="top"> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>pad</structfield></entry> ++ <entry>Pad number as reported by the media controller API.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>which</structfield></entry> ++ <entry>Format to modified, from &v4l2-subdev-format-whence;.</entry> ++ </row> ++ <row> ++ <entry>&v4l2-mbus-framefmt;</entry> ++ <entry><structfield>format</structfield></entry> ++ <entry>Definition of an image format, see <xref ++ linkend="v4l2-mbus-framefmt" /> for details.</entry> ++ </row> ++ <row> ++ <entry>__u32</entry> ++ <entry><structfield>reserved</structfield>[8]</entry> ++ <entry>Reserved for future extensions. Applications and drivers must ++ set the array to zero.</entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ ++ <table pgwide="1" frame="none" id="v4l2-subdev-format-whence"> ++ <title>enum <structname>v4l2_subdev_format_whence</structname></title> ++ <tgroup cols="3"> ++ &cs-def; ++ <tbody valign="top"> ++ <row> ++ <entry>V4L2_SUBDEV_FORMAT_TRY</entry> ++ <entry>0</entry> ++ <entry>Try formats, used for querying device capabilities.</entry> ++ </row> ++ <row> ++ <entry>V4L2_SUBDEV_FORMAT_ACTIVE</entry> ++ <entry>1</entry> ++ <entry>Active formats, applied to the hardware.</entry> ++ </row> ++ </tbody> ++ </tgroup> ++ </table> ++ </refsect1> ++ ++ <refsect1> ++ &return-value; ++ ++ <variablelist> ++ <varlistentry> ++ <term><errorcode>EBUSY</errorcode></term> ++ <listitem> ++ <para>The format can't be changed because the pad is currently busy. ++ This can be caused, for instance, by an active video stream on the ++ pad. The ioctl must not be retried without performing another action ++ to fix the problem first. Only returned by ++ <constant>VIDIOC_SUBDEV_S_FMT</constant></para> ++ </listitem> ++ </varlistentry> ++ <varlistentry> ++ <term><errorcode>EINVAL</errorcode></term> ++ <listitem> ++ <para>The &v4l2-subdev-format; <structfield>pad</structfield> ++ references a non-existing pad, or the <structfield>which</structfield> ++ field references a non-existing format.</para> ++ </listitem> ++ </varlistentry> ++ </variablelist> ++ </refsect1> ++</refentry> +diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c +index 0f904e2..73aae00 100644 +--- a/drivers/media/video/v4l2-subdev.c ++++ b/drivers/media/video/v4l2-subdev.c +@@ -149,6 +149,9 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) + struct video_device *vdev = video_devdata(file); + struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev); + struct v4l2_fh *vfh = file->private_data; ++#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) ++ struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh); ++#endif + + switch (cmd) { + case VIDIOC_QUERYCTRL: +@@ -183,7 +186,53 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) + + case VIDIOC_UNSUBSCRIBE_EVENT: + return v4l2_subdev_call(sd, core, unsubscribe_event, vfh, arg); ++#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) ++ case VIDIOC_SUBDEV_G_FMT: { ++ struct v4l2_subdev_format *format = arg; ++ ++ if (format->which != V4L2_SUBDEV_FORMAT_TRY && ++ format->which != V4L2_SUBDEV_FORMAT_ACTIVE) ++ return -EINVAL; ++ ++ if (format->pad >= sd->entity.num_pads) ++ return -EINVAL; ++ ++ return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh, format); ++ } ++ ++ case VIDIOC_SUBDEV_S_FMT: { ++ struct v4l2_subdev_format *format = arg; ++ ++ if (format->which != V4L2_SUBDEV_FORMAT_TRY && ++ format->which != V4L2_SUBDEV_FORMAT_ACTIVE) ++ return -EINVAL; ++ ++ if (format->pad >= sd->entity.num_pads) ++ return -EINVAL; + ++ return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh, format); ++ } ++ ++ case VIDIOC_SUBDEV_ENUM_MBUS_CODE: { ++ struct v4l2_subdev_mbus_code_enum *code = arg; ++ ++ if (code->pad >= sd->entity.num_pads) ++ return -EINVAL; ++ ++ return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh, ++ code); ++ } ++ ++ case VIDIOC_SUBDEV_ENUM_FRAME_SIZE: { ++ struct v4l2_subdev_frame_size_enum *fse = arg; ++ ++ if (fse->pad >= sd->entity.num_pads) ++ return -EINVAL; ++ ++ return v4l2_subdev_call(sd, pad, enum_frame_size, subdev_fh, ++ fse); ++ } ++#endif + default: + return -ENOIOCTLCMD; + } +diff --git a/include/linux/Kbuild b/include/linux/Kbuild +index 796e1d8..c0db7f4 100644 +--- a/include/linux/Kbuild ++++ b/include/linux/Kbuild +@@ -367,6 +367,7 @@ header-y += usbdevice_fs.h + header-y += utime.h + header-y += utsname.h + header-y += v4l2-mediabus.h ++header-y += v4l2-subdev.h + header-y += veth.h + header-y += vhost.h + header-y += videodev.h +diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h +new file mode 100644 +index 0000000..38d0eda +--- /dev/null ++++ b/include/linux/v4l2-subdev.h +@@ -0,0 +1,90 @@ ++/* ++ * V4L2 subdev userspace API ++ * ++ * Copyright (C) 2010 Nokia Corporation ++ * ++ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> ++ * Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#ifndef __LINUX_V4L2_SUBDEV_H ++#define __LINUX_V4L2_SUBDEV_H ++ ++#include <linux/ioctl.h> ++#include <linux/types.h> ++#include <linux/v4l2-mediabus.h> ++ ++/** ++ * enum v4l2_subdev_format_whence - Media bus format type ++ * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only ++ * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device ++ */ ++enum v4l2_subdev_format_whence { ++ V4L2_SUBDEV_FORMAT_TRY = 0, ++ V4L2_SUBDEV_FORMAT_ACTIVE = 1, ++}; ++ ++/** ++ * struct v4l2_subdev_format - Pad-level media bus format ++ * @which: format type (from enum v4l2_subdev_format_whence) ++ * @pad: pad number, as reported by the media API ++ * @format: media bus format (format code and frame size) ++ */ ++struct v4l2_subdev_format { ++ __u32 which; ++ __u32 pad; ++ struct v4l2_mbus_framefmt format; ++ __u32 reserved[8]; ++}; ++ ++/** ++ * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration ++ * @pad: pad number, as reported by the media API ++ * @index: format index during enumeration ++ * @code: format code (from enum v4l2_mbus_pixelcode) ++ */ ++struct v4l2_subdev_mbus_code_enum { ++ __u32 pad; ++ __u32 index; ++ __u32 code; ++ __u32 reserved[9]; ++}; ++ ++/** ++ * struct v4l2_subdev_frame_size_enum - Media bus format enumeration ++ * @pad: pad number, as reported by the media API ++ * @index: format index during enumeration ++ * @code: format code (from enum v4l2_mbus_pixelcode) ++ */ ++struct v4l2_subdev_frame_size_enum { ++ __u32 index; ++ __u32 pad; ++ __u32 code; ++ __u32 min_width; ++ __u32 max_width; ++ __u32 min_height; ++ __u32 max_height; ++ __u32 reserved[9]; ++}; ++ ++#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) ++#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) ++#define VIDIOC_SUBDEV_ENUM_MBUS_CODE \ ++ _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) ++#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE \ ++ _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) ++ ++#endif +diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h +index 4f6ddba..f5611c2 100644 +--- a/include/media/v4l2-subdev.h ++++ b/include/media/v4l2-subdev.h +@@ -21,6 +21,7 @@ + #ifndef _V4L2_SUBDEV_H + #define _V4L2_SUBDEV_H + ++#include <linux/v4l2-subdev.h> + #include <media/media-entity.h> + #include <media/v4l2-common.h> + #include <media/v4l2-dev.h> +@@ -425,6 +426,15 @@ struct v4l2_subdev_ir_ops { + }; + + struct v4l2_subdev_pad_ops { ++ int (*enum_mbus_code)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, ++ struct v4l2_subdev_mbus_code_enum *code); ++ int (*enum_frame_size)(struct v4l2_subdev *sd, ++ struct v4l2_subdev_fh *fh, ++ struct v4l2_subdev_frame_size_enum *fse); ++ int (*get_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, ++ struct v4l2_subdev_format *format); ++ int (*set_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, ++ struct v4l2_subdev_format *format); + }; + + struct v4l2_subdev_ops { +-- +1.6.6.1 + |