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/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-subdev-enum-mbus-code.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_MBUS_CODE - Enumerate media bus formats
35 of media bus formats for the selected pad.
42 Therefore, to enumerate media bus formats available at a given sub-device pad,
43 initialize the ``pad``, and ``which`` fields to desired values,
45 Then call the :ref:`VIDIOC_SUBDEV_ENUM_MBUS_CODE` ioctl
51 ``EINVAL`` means that either ``pad`` is invalid,
52 or that there are no more codes available at this pad.
55 at the same pad.
58 other pads of the sub-device, as well as on the current active links.
[all …]
H A Ddev-subdev.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Sub-device Interface
13 components as software blocks called sub-devices.
15 V4L2 sub-devices are usually kernel-only objects. If the V4L2 driver
17 media entities. Applications will be able to enumerate the sub-devices
21 In addition to make sub-devices discoverable, drivers can also choose to
23 sub-device driver and the V4L2 device driver support this, sub-devices
26 - query, read and write sub-devices controls
28 - subscribe and unsubscribe to events and retrieve them
30 - negotiate image formats on individual pads
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H A Dvidioc-subdev-enum-frame-size.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_SIZE - Enumerate media bus frame sizes
35 supported by a sub-device on the specified pad
38 :ref:`VIDIOC_SUBDEV_ENUM_MBUS_CODE`
43 Each pair of ``pad`` and ``code`` correspond to a separate enumeration.
47 Therefore, to enumerate frame sizes allowed on the specified pad
49 ``pad``, ``which``, and ``code`` fields to desired values,
51 Then call the :ref:`VIDIOC_SUBDEV_ENUM_FRAME_SIZE` ioctl with a pointer to the
59 Sub-devices that only support discrete frame sizes (such as most
64 supported. For instance, a scaler that uses a fixed-point scaling ratio
[all …]
H A Dvidioc-subdev-enum-frame-interval.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL - Enumerate frame intervals
35 given sub-device pad. Frame intervals only makes sense for sub-devices
40 on the sub-device output pad depend on the frame format and size on the
41 same pad. Applications must thus specify the desired format and size
45 ``pad``, ``which``, ``code``, ``width`` and ``height`` fields of struct
47 and call the :ref:`VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL` ioctl with a pointer
54 other pads of the sub-device, as well as on the current active links.
55 See :ref:`VIDIOC_SUBDEV_G_FMT` for more
58 Sub-devices that support the frame interval enumeration ioctl should
[all …]
H A Dvidioc-subdev-g-selection.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_SELECTION - VIDIOC_SUBDEV_S_SELECTION - Get or set selection rectangles on a subdev…
43 :ref:`the old subdev crop API <VIDIOC_SUBDEV_G_CROP>`. All the
46 See :ref:`subdev` for more information on how each selection target
49 If the subdev device node has been registered in read-only mode, calls to
52 variable is set to ``-EPERM``.
55 --------------------------
62 ------------------------------
69 :ref:`v4l2-selections-common`.
75 .. flat-table:: struct v4l2_subdev_selection
[all …]
H A Dext-ctrls-dv.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _dv-controls:
12 (Digital Visual Interface), HDMI (:ref:`hdmi`) and DisplayPort
13 (:ref:`dp`). These controls are generally expected to be private to
15 only exposed on the ``/dev/v4l-subdev*`` device node.
23 Identification Data, :ref:`vesaedid`) and HDCP (High-bandwidth Digital
24 Content Protection System, :ref:`hdcp`) processing, allowing the
29 bitmasks, one bit for each pad. Bit 0 corresponds to pad 0, bit 1 to pad
33 .. _dv-control-id:
45 output pad on the transmitter. If an output pad does not have an
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H A Dvidioc-g-edid.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_EDID - VIDIOC_S_EDID - VIDIOC_SUBDEV_G_EDID - VIDIOC_SUBDEV_S_EDID - Get or set the EDID o…
48 with subdevice nodes (/dev/v4l-subdevX) or with video nodes
51 When used with video nodes the ``pad`` field represents the input (for
53 returned by :ref:`VIDIOC_ENUMINPUT` and
54 :ref:`VIDIOC_ENUMOUTPUT` respectively. When used
55 with subdevice nodes the ``pad`` field represents the input or output
56 pad of the subdevice. If there is no EDID support for the given ``pad``
59 To get the EDID data the application has to fill in the ``pad``,
61 array and call :ref:`VIDIOC_G_EDID <VIDIOC_G_EDID>`. The current EDID from block
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H A Dvidioc-subdev-g-crop.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_CROP - VIDIOC_SUBDEV_S_CROP - Get or set the crop rectangle on a subdev pad
40 This is an :ref:`obsolete` interface and may be removed
42 :ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`.
44 To retrieve the current crop rectangle applications set the ``pad``
46 desired pad number as reported by the media API and the ``which`` field
51 on the given pad.
53 To change the current crop rectangle applications set both the ``pad``
65 crop rectangles and stored in the sub-device file handle. Two
66 applications querying the same sub-device would thus not interact with
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H A Dvidioc-subdev-g-routing.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_ROUTING - VIDIOC_SUBDEV_S_ROUTING - Get or set routing between streams of media pad…
31 File descriptor returned by :ref:`open() <func-open>`.
68 .. flat-table:: struct v4l2_subdev_routing
69 :header-rows: 0
70 :stub-columns: 0
73 * - __u32
74 - ``which``
75 - Format to modified, from enum
76 :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
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H A Dvidioc-subdev-g-fmt.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_FMT - VIDIOC_SUBDEV_S_FMT - Get or set the data format on a subdev pad
41 To retrieve the current format applications set the ``pad`` field of a
43 pad number as reported by the media API and the ``which`` field to
48 To change the current format applications set both the ``pad`` and
59 and stored in the sub-device file handle. Two applications querying the
60 same sub-device would thus not interact with each other.
62 For instance, to try a format at the output pad of a sub-device,
63 applications would first set the try format at the sub-device input with
65 default format at the output pad with the ``VIDIOC_SUBDEV_G_FMT`` ioctl,
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H A Dvidioc-dv-timings-cap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_DV_TIMINGS_CAP - VIDIOC_SUBDEV_DV_TIMINGS_CAP - The capabilities of the Digital Video receiv…
39 initialize the ``pad`` field to 0, zero the reserved array of struct
53 the desired pad number in the struct
54 :c:type:`v4l2_dv_timings_cap` ``pad`` field and
55 zero the ``reserved`` array. Attempts to query capabilities on a pad
62 .. flat-table:: struct v4l2_bt_timings_cap
63 :header-rows: 0
64 :stub-columns: 0
67 * - __u32
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/openbmc/linux/Documentation/devicetree/bindings/mmc/
H A Dnvidia,tegra20-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/nvidia,tegra20-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
18 mmc-controller.yaml and the properties for the Tegra SDHCI controller.
23 - enum:
24 - nvidia,tegra20-sdhci
25 - nvidia,tegra30-sdhci
[all …]
H A Dmarvell,xenon-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
20 - Ulf Hansson <ulf.hansson@linaro.org>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
29 - items:
[all …]
/openbmc/linux/Documentation/devicetree/bindings/phy/
H A Dnvidia,tegra194-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra194-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra194 XUSB pad controller
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The Tegra XUSB pad controller manages a set of I/O lanes (with differential
16 is controlled by a HW block referred to as a "pad" in the Tegra hardware
17 documentation. Each such "pad" may control either one or multiple lanes,
[all …]
H A Dnvidia,tegra186-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra186-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra186 XUSB pad controller
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The Tegra XUSB pad controller manages a set of I/O lanes (with differential
16 is controlled by a HW block referred to as a "pad" in the Tegra hardware
17 documentation. Each such "pad" may control either one or multiple lanes,
[all …]
H A Dnvidia,tegra124-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra124-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra124 XUSB pad controller
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The Tegra XUSB pad controller manages a set of I/O lanes (with differential
16 is controlled by a HW block referred to as a "pad" in the Tegra hardware
17 documentation. Each such "pad" may control either one or multiple lanes,
[all …]
H A Dnvidia,tegra210-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra210-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra210 XUSB pad controller
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The Tegra XUSB pad controller manages a set of I/O lanes (with differential
16 is controlled by a HW block referred to as a "pad" in the Tegra hardware
17 documentation. Each such "pad" may control either one or multiple lanes,
[all …]
H A Dfsl,imx8-pcie-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/fsl,imx8-pcie-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Richard Zhu <hongxing.zhu@nxp.com>
13 "#phy-cells":
18 - fsl,imx8mm-pcie-phy
19 - fsl,imx8mp-pcie-phy
27 clock-names:
29 - const: ref
[all …]
/openbmc/linux/Documentation/devicetree/bindings/arm/tegra/
H A Dnvidia,tegra20-pmc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/arm/tegra/nvidia,tegra20-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
16 - nvidia,tegra20-pmc
17 - nvidia,tegra30-pmc
18 - nvidia,tegra114-pmc
19 - nvidia,tegra124-pmc
[all …]
H A Dnvidia,tegra186-pmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/tegra/nvidia,tegra186-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
16 - nvidia,tegra186-pmc
17 - nvidia,tegra194-pmc
18 - nvidia,tegra234-pmc
24 reg-names:
[all …]
/openbmc/linux/Documentation/userspace-api/media/mediactl/
H A Dmedia-ioc-g-topology.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 MEDIA_IOC_G_TOPOLOGY - Enumerate the graph topology and graph element properties
53 .. flat-table:: struct media_v2_topology
54 :header-rows: 0
55 :stub-columns: 0
58 * - __u64
59 - ``topology_version``
60 - Version of the media graph topology. When the graph is created,
64 * - __u32
65 - ``num_entities``
[all …]
H A Dmedia-ioc-enum-links.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 MEDIA_IOC_ENUM_LINKS - Enumerate all pads and links for a given entity
45 with :ref:`MEDIA_IOC_ENUM_ENTITIES`.
50 outbound links can be retrieved with :ref:`MEDIA_IOC_ENUM_ENTITIES`.
59 .. flat-table:: struct media_links_enum
60 :header-rows: 0
61 :stub-columns: 0
64 * - __u32
65 - ``entity``
66 - Entity id, set by the application.
[all …]
/openbmc/linux/fs/jffs2/
H A Dxattr.c2 * JFFS2 -- Journalling Flash File System, Version 2.
28 /* -------- xdatum related functions ----------------
31 * the index of the xattr name/value pair cache (c->xattrindex).
36 * is used to release xattr name/value pair and detach from c->xattrindex.
39 * memory usage by cache is over c->xdatum_mem_threshold. Currently, this threshold
56 * is used to write xdatum to medium. xd->version will be incremented.
61 * is set on xd->flags and chained xattr_dead_list or release it immediately.
63 * -------------------------------------------------- */
76 spin_lock(&c->erase_completion_lock); in is_xattr_datum_unchecked()
77 for (raw=xd->node; raw != (void *)xd; raw=raw->next_in_ino) { in is_xattr_datum_unchecked()
[all …]
/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Drockchip,pinctrl.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Heiko Stuebner <heiko@sntech.de>
13 The Rockchip Pinmux Controller enables the IC to share one PAD
15 the PAD input/output signals. For each PAD there are several muxing
18 Please refer to pinctrl-bindings.txt in this directory for details of the
26 various pad settings such as pull-up, etc.
29 defined as gpio sub-nodes of the pinmux controller.
34 - rockchip,px30-pinctrl
[all …]
/openbmc/linux/include/media/
H A Dmedia-entity.h1 /* SPDX-License-Identifier: GPL-2.0-only */
26 * enum media_gobj_type - type of a graph object
29 * @MEDIA_GRAPH_PAD: Identify a media pad
42 #define MEDIA_BITS_PER_ID (32 - MEDIA_BITS_PER_TYPE)
43 #define MEDIA_ID_MASK GENMASK_ULL(MEDIA_BITS_PER_ID - 1, 0)
48 * struct media_gobj - Define a graph object.
51 * @id: Non-zero object ID identifier. The ID should be unique
55 * @list: List entry stored in one of the per-type mdev object lists
68 * struct media_entity_enum - An enumeration of media entities.
71 * media_entity->internal_idx.
[all …]

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