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/Documentation/userspace-api/media/
Dconf_nitpick.py1 # -*- coding: utf-8; mode: python -*-
3 # SPDX-License-Identifier: GPL-2.0
10 # within nit-picking build, do not refer to any intersphinx object
23 ("c:func", "clock_gettime"),
24 ("c:func", "close"),
25 ("c:func", "container_of"),
26 ("c:func", "copy_from_user"),
27 ("c:func", "copy_to_user"),
28 ("c:func", "determine_valid_ioctls"),
29 ("c:func", "ERR_PTR"),
[all …]
Ddmx.h.rst.exceptions1 # SPDX-License-Identifier: GPL-2.0
10 replace enum dmx_ts_pes :c:type:`dmx_pes_type`
11 replace symbol DMX_PES_AUDIO0 :c:type:`dmx_pes_type`
12 replace symbol DMX_PES_VIDEO0 :c:type:`dmx_pes_type`
13 replace symbol DMX_PES_TELETEXT0 :c:type:`dmx_pes_type`
14 replace symbol DMX_PES_SUBTITLE0 :c:type:`dmx_pes_type`
15 replace symbol DMX_PES_PCR0 :c:type:`dmx_pes_type`
16 replace symbol DMX_PES_AUDIO1 :c:type:`dmx_pes_type`
17 replace symbol DMX_PES_VIDEO1 :c:type:`dmx_pes_type`
18 replace symbol DMX_PES_TELETEXT1 :c:type:`dmx_pes_type`
[all …]
Dvideodev2.h.rst.exceptions1 # SPDX-License-Identifier: GPL-2.0
14 # Those symbols should not be used by uAPI - don't document them
20 replace symbol V4L2_FIELD_ALTERNATE :c:type:`v4l2_field`
21 replace symbol V4L2_FIELD_ANY :c:type:`v4l2_field`
22 replace symbol V4L2_FIELD_BOTTOM :c:type:`v4l2_field`
23 replace symbol V4L2_FIELD_INTERLACED :c:type:`v4l2_field`
24 replace symbol V4L2_FIELD_INTERLACED_BT :c:type:`v4l2_field`
25 replace symbol V4L2_FIELD_INTERLACED_TB :c:type:`v4l2_field`
26 replace symbol V4L2_FIELD_NONE :c:type:`v4l2_field`
27 replace symbol V4L2_FIELD_SEQ_BT :c:type:`v4l2_field`
[all …]
Dca.h.rst.exceptions1 # SPDX-License-Identifier: GPL-2.0
7 replace define CA_CI :c:type:`ca_slot_info`
8 replace define CA_CI_LINK :c:type:`ca_slot_info`
9 replace define CA_CI_PHYS :c:type:`ca_slot_info`
10 replace define CA_DESCR :c:type:`ca_slot_info`
11 replace define CA_SC :c:type:`ca_slot_info`
12 replace define CA_CI_MODULE_PRESENT :c:type:`ca_slot_info`
13 replace define CA_CI_MODULE_READY :c:type:`ca_slot_info`
16 replace define CA_ECD :c:type:`ca_descr_info`
17 replace define CA_NDS :c:type:`ca_descr_info`
[all …]
/Documentation/devicetree/bindings/usb/
Drealtek,rtd-type-c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/realtek,rtd-type-c.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Realtek DHC RTD SoCs USB Type-C Connector detection
11 - Stanley Chang <stanley_chang@realtek.com>
14 Realtek digital home center (DHC) RTD series SoCs include a type c module.
15 This module is able to detect the state of type c connector.
20 - realtek,rtd1295-type-c
21 - realtek,rtd1312c-type-c
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/Documentation/userspace-api/media/v4l/
Dvidioc-g-ext-ctrls.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_G_EXT_CTRLS - VIDIOC_S_EXT_CTRLS - VIDIOC_TRY_EXT_CTRLS - Get or set the value of several co…
18 .. c:macro:: VIDIOC_G_EXT_CTRLS
22 .. c:macro:: VIDIOC_S_EXT_CTRLS
26 .. c:macro:: VIDIOC_TRY_EXT_CTRLS
34 File descriptor returned by :c:func:`open()`.
37 Pointer to struct :c:type:`v4l2_ext_controls`.
44 :ref:`ctrl-class`) and all controls in the control array must belong
49 :c:type:`v4l2_ext_controls`, and initialize the
[all …]
Dpixfmt-v4l2-mplane.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 Multi-planar format structures
7 The struct :c:type:`v4l2_plane_pix_format` structures define size
8 and layout for each of the planes in a multi-planar format. The
9 struct :c:type:`v4l2_pix_format_mplane` structure contains
11 array of struct :c:type:`v4l2_plane_pix_format` structures,
18 .. c:type:: v4l2_plane_pix_format
20 .. flat-table:: struct v4l2_plane_pix_format
21 :header-rows: 0
22 :stub-columns: 0
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Dvidioc-g-frequency.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_G_FREQUENCY - VIDIOC_S_FREQUENCY - Get or set tuner or modulator radio frequency
18 .. c:macro:: VIDIOC_G_FREQUENCY
22 .. c:macro:: VIDIOC_S_FREQUENCY
30 File descriptor returned by :c:func:`open()`.
33 Pointer to struct :c:type:`v4l2_frequency`.
40 :c:type:`v4l2_frequency` to the respective tuner or
47 initialize the ``tuner``, ``type`` and ``frequency`` fields, and the
48 ``reserved`` array of a struct :c:type:`v4l2_frequency`
[all …]
Dvidioc-g-selection.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_G_SELECTION - VIDIOC_S_SELECTION - Get or set one of the selection rectangles
18 .. c:macro:: VIDIOC_G_SELECTION
22 .. c:macro:: VIDIOC_S_SELECTION
30 File descriptor returned by :c:func:`open()`.
33 Pointer to struct :c:type:`v4l2_selection`.
41 :c:type:`v4l2_selection` ``type`` field to the
42 respective buffer type. The next step is setting the
43 value of struct :c:type:`v4l2_selection` ``target``
[all …]
Dvidioc-g-fmt.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_G_FMT - VIDIOC_S_FMT - VIDIOC_TRY_FMT - Get or set the data format, try a format
18 .. c:macro:: VIDIOC_G_FMT
22 .. c:macro:: VIDIOC_S_FMT
26 .. c:macro:: VIDIOC_TRY_FMT
34 File descriptor returned by :c:func:`open()`.
37 Pointer to struct :c:type:`v4l2_format`.
45 To query the current parameters applications set the ``type`` field of a
46 struct :c:type:`v4l2_format` to the respective buffer (stream)
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Dvidioc-querybuf.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_QUERYBUF - Query the status of a buffer
18 .. c:macro:: VIDIOC_QUERYBUF
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_buffer`.
38 Applications set the ``type`` field of a struct
39 :c:type:`v4l2_buffer` to the same buffer type as was
40 previously used with struct :c:type:`v4l2_format` ``type``
41 and struct :c:type:`v4l2_requestbuffers` ``type``,
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Dvidioc-s-hw-freq-seek.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_S_HW_FREQ_SEEK - Perform a hardware frequency seek
18 .. c:macro:: VIDIOC_S_HW_FREQ_SEEK
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_hw_freq_seek`.
35 applications initialize the ``tuner``, ``type``, ``seek_upward``,
38 :c:type:`v4l2_hw_freq_seek` and call the
41 The ``rangelow`` and ``rangehigh`` fields can be set to a non-zero value
43 :c:type:`v4l2_tuner` ``capability`` field has the
[all …]
Dvidioc-g-crop.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_G_CROP - VIDIOC_S_CROP - Get or set the current cropping rectangle
18 .. c:macro:: VIDIOC_G_CROP
22 .. c:macro:: VIDIOC_S_CROP
30 File descriptor returned by :c:func:`open()`.
33 Pointer to struct :c:type:`v4l2_crop`.
39 ``type`` field of a struct :c:type:`v4l2_crop` structure to the
40 respective buffer (stream) type and call the :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>` ioctl
44 To change the cropping rectangle applications initialize the ``type``
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Ddev-meta.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
9 Metadata refers to any non-image data that supplements video frames with
25 :c:type:`v4l2_capability` structure returned by the :c:func:`VIDIOC_QUERYCAP`
29 :c:type:`v4l2_capability` structure. That flag means the device can read
40 to the basic :ref:`format` ioctls, the :c:func:`VIDIOC_ENUM_FMT` ioctl must be
43 To use the :ref:`format` ioctls applications set the ``type`` field of the
44 :c:type:`v4l2_format` structure to ``V4L2_BUF_TYPE_META_CAPTURE`` or to
45 ``V4L2_BUF_TYPE_META_OUTPUT`` and use the :c:type:`v4l2_meta_format` ``meta``
47 and applications must set the remainder of the :c:type:`v4l2_format` structure
51 ``V4L2_FMT_FLAG_META_LINE_BASED`` flag set for :c:func:`VIDIOC_ENUM_FMT`. Such
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Dvidioc-dqevent.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_DQEVENT - Dequeue event
18 .. c:macro:: VIDIOC_DQEVENT
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_event`.
35 ioctl. All the fields of the struct :c:type:`v4l2_event`
40 .. c:type:: v4l2_event
45 .. flat-table:: struct v4l2_event
46 :header-rows: 0
[all …]
Dvidioc-expbuf.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L
13 VIDIOC_EXPBUF - Export a buffer as a DMABUF file descriptor.
18 .. c:macro:: VIDIOC_EXPBUF
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_exportbuffer`.
41 :c:type:`v4l2_exportbuffer`. The ``type`` field is
42 set to the same buffer type as was previously used with struct
43 :c:type:`v4l2_requestbuffers` ``type``.
47 :c:type:`v4l2_requestbuffers` ``count``) minus
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/Documentation/driver-api/media/
Dv4l2-fh.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------
14 The users of :c:type:`v4l2_fh` (in the V4L2 framework, not the driver) know
15 whether a driver uses :c:type:`v4l2_fh` as its ``file->private_data`` pointer
16 by testing the ``V4L2_FL_USES_V4L2_FH`` bit in :c:type:`video_device`->flags.
17 This bit is set whenever :c:func:`v4l2_fh_init` is called.
20 structure and ``file->private_data`` is set to it in the driver's ``open()``
26 #) :c:func:`v4l2_fh_init` and :c:func:`v4l2_fh_add` in ``open()``
27 #) :c:func:`v4l2_fh_del` and :c:func:`v4l2_fh_exit` in ``release()``
34 .. code-block:: c
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Dv4l2-dev.rst1 .. SPDX-License-Identifier: GPL-2.0
7 :c:type:`video_device` struct (``v4l2-dev.h``). This struct can either be
10 To allocate it dynamically use :c:func:`video_device_alloc`:
12 .. code-block:: c
17 return -ENOMEM;
19 vdev->release = video_device_release;
24 .. code-block:: c
26 struct video_device *vdev = &my_vdev->vdev;
28 vdev->release = my_vdev_release;
33 The default :c:func:`video_device_release` callback currently
[all …]
Dv4l2-event.rst1 .. SPDX-License-Identifier: GPL-2.0
4 -----------
7 The driver must use :c:type:`v4l2_fh` to be able to support V4L2 events.
9 Events are subscribed per-filehandle. An event specification consists of a
10 ``type`` and is optionally associated with an object identified through the
12 identified by the ``(type, id)`` tuple.
14 The :c:type:`v4l2_fh` struct has a list of subscribed events on its
17 When the user subscribes to an event, a :c:type:`v4l2_subscribed_event`
18 struct is added to :c:type:`v4l2_fh`\ ``.subscribed``, one for every
21 Each :c:type:`v4l2_subscribed_event` struct ends with a
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Dv4l2-device.rst1 .. SPDX-License-Identifier: GPL-2.0
4 --------------------
12 :c:func:`v4l2_device_register <v4l2_device_register>`
13 (dev, :c:type:`v4l2_dev <v4l2_device>`).
15 Registration will initialize the :c:type:`v4l2_device` struct. If the
16 dev->driver_data field is ``NULL``, it will be linked to
17 :c:type:`v4l2_dev <v4l2_device>` argument.
20 dev->driver_data manually to point to the driver-specific device structure
24 properly initialized and registered :c:type:`media_device` instance.
26 If :c:type:`v4l2_dev <v4l2_device>`\ ->name is empty then it will be set to a
[all …]
Dv4l2-subdev.rst1 .. SPDX-License-Identifier: GPL-2.0
3 V4L2 sub-devices
4 ----------------
6 Many drivers need to communicate with sub-devices. These devices can do all
8 encoding or decoding. For webcams common sub-devices are sensors and camera
12 driver with a consistent interface to these sub-devices the
13 :c:type:`v4l2_subdev` struct (v4l2-subdev.h) was created.
15 Each sub-device driver must have a :c:type:`v4l2_subdev` struct. This struct
16 can be stand-alone for simple sub-devices or it might be embedded in a larger
18 low-level device struct (e.g. ``i2c_client``) that contains the device data as
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/Documentation/netlink/
Dgenetlink-c.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/genetlink-c.yaml#
5 $schema: https://json-schema.org/draft-07/schema
10 type: integer
12 len-or-define:
13 type: [ string, integer ]
14 pattern: ^[0-9A-Za-z_-]+( - 1)?$
16 len-or-limit:
17 # literal int or limit based on fixed-width type e.g. u8-min, u16-max, etc.
[all …]
Dgenetlink-legacy.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#
5 $schema: https://json-schema.org/draft-07/schema
10 type: integer
12 len-or-define:
13 type: [ string, integer ]
14 pattern: ^[0-9A-Za-z_-]+( - 1)?$
16 len-or-limit:
17 # literal int or limit based on fixed-width type e.g. u8-min, u16-max, etc.
[all …]
/Documentation/userspace-api/media/mediactl/
Dmedia-ioc-enum-links.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: MC
13 MEDIA_IOC_ENUM_LINKS - Enumerate all pads and links for a given entity
18 .. c:macro:: MEDIA_IOC_ENUM_LINKS
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`media_links_enum`.
35 entity field of a struct :c:type:`media_links_enum`
37 :c:type:`media_pad_desc` and struct
38 :c:type:`media_link_desc` structure arrays pointed by
55 .. c:type:: media_links_enum
[all …]
/Documentation/misc-devices/
Dxilinx_sdfec.rst1 .. SPDX-License-Identifier: GPL-2.0+
4 Xilinx SD-FEC Driver
10 This driver supports SD-FEC Integrated Block for Zynq |Ultrascale+ (TM)| RFSoCs.
15 …f SD-FEC core features, see the `SD-FEC Product Guide (PG256) <https://www.xilinx.com/cgi-bin/docs…
19 - Retrieval of the Integrated Block configuration and status information
20 - Configuration of LDPC codes
21 - Configuration of Turbo decoding
22 - Monitoring errors
24 Missing features, known issues, and limitations of the SD-FEC driver are as
27 - Only allows a single open file handler to any instance of the driver at any time
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