| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | pixfmt-packed-yuv.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _packed-yuv:
10 Cr components consecutively in memory. They may apply subsampling to the chroma
11 components and thus differ in how they interlave the three components.
15 - In all the tables that follow, bit 7 is the most significant bit in a byte.
16 - 'Y', 'Cb' and 'Cr' denote bits of the luma, blue chroma (also known as
17 'U') and red chroma (also known as 'V') components respectively. 'A'
25 These formats do not subsample the chroma components and store each pixels as a
29 component. They are named based on the order of the Y, Cb and Cr components as
30 seen in a 16-bit word, which is then stored in memory in little endian byte
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| H A D | pixfmt-rgb.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _pixfmt-rgb:
16 always the same for all components), the order of components in memory, and the
22 (including capture queues of mem-to-mem devices) fill the alpha component in
25 but can set the alpha bit to a user-configurable value, the
26 :ref:`V4L2_CID_ALPHA_COMPONENT <v4l2-alpha-component>` control is used to
31 :ref:`Output <output>` devices (including output queues of mem-to-mem devices
44 - In all the tables that follow, bit 7 is the most significant bit in a byte.
45 - 'r', 'g' and 'b' denote bits of the red, green and blue components
54 based on the order of the RGB components as seen in a 8-, 16- or 32-bit word,
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| H A D | ext-ctrls-jpeg.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _jpeg-controls:
15 .. _jpeg-control-id:
28 spatial dimension. See :ref:`itu-t81`, clause A.1.1. for more
30 how Cb and Cr components are downsampled after converting an input
35 .. flat-table::
36 :header-rows: 0
37 :stub-columns: 0
39 * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_444``
40 - No chroma subsampling, each pixel has Y, Cr and Cb values.
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| H A D | open.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
21 There are other drivers providing support for other components of
22 the hardware, which may also expose device nodes, called V4L2 sub-devices.
24 When such V4L2 sub-devices are exposed, they allow controlling those
25 other hardware components - usually connected via a serial bus (like
26 I²C, SMBus or SPI). Depending on the bridge driver, those sub-devices
29 :ref:`V4L2 sub-devices <subdev>`.
32 :ref:`Media Controller <media_controller>` are called **MC-centric**
34 are called **video-node-centric**.
36 Userspace can check if a V4L2 hardware peripheral is MC-centric by
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| H A D | ext-ctrls-image-process.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _image-process-controls:
9 The Image Process control class is intended for low-level control of
15 .. _image-process-control-id:
23 .. _v4l2-cid-link-freq:
26 The frequency of the data bus (e.g. parallel or CSI-2).
28 .. _v4l2-cid-pixel-rate:
30 ``V4L2_CID_PIXEL_RATE (64-bit integer)``
32 read-only and its unit is pixels / second.
37 control may be present in a different sub-device than the blanking controls
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| /linux/Documentation/userspace-api/media/ |
| H A D | glossary.rst | 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
58 **Field-programmable Gate Array**
63 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
71 A group of :term:`hardware components <Hardware Component>` that
72 together make a larger user-facing functional peripheral. For
80 **Inter-Integrated Circuit**
82 A multi-master, multi-slave, packet switched, single-ended,
83 serial computer bus used to control some hardware components
84 like sub-device hardware components.
86 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
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| /linux/Documentation/ABI/testing/ |
| H A D | configfs-most | 9 # mount -t configfs none /sys/kernel/config/
22 configure the sub-buffer size for this channel
55 pass parameters needed by some components
60 configuration, the creation is post-poned until
77 configure the sub-buffer size for this channel
110 pass parameters needed by some components
115 configuration, the creation is post-poned until
132 configure the sub-buffer size for this channel
165 pass parameters needed by some components
170 configuration, the creation is post-poned until
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| /linux/scripts/ |
| H A D | get_dvb_firmware | 2 # SPDX-License-Identifier: GPL-2.0-or-later
11 @components = ( "sp8870", "sp887x", "tda10045", "tda10046",
26 for ($i=0; $i < scalar(@components); $i++) {
27 if ($cid eq $components[$i]) {
46 # ---------------------------------------------------------------
47 # Firmware-specific extraction subroutines
49 sub sp8870 {
53 my $outfile = "dvb-fe-sp8870.fw";
66 sub sp887x {
71 my $outfile = "dvb-fe-sp887x.fw";
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| /linux/drivers/md/dm-vdo/indexer/ |
| H A D | index.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
9 #include "index-layout.h"
10 #include "index-session.h"
11 #include "open-chapter.h"
13 #include "volume-index.h"
16 * The index is a high-level structure which represents the totality of the UDS index. It manages
17 * the queues for incoming requests and dispatches them to the appropriate sub-components like the
22 * on its name. Most sub-components are similarly divided into zones as well so that requests in
|
| /linux/Documentation/gpu/ |
| H A D | komeda-kms.rst | 1 .. SPDX-License-Identifier: GPL-2.0
16 functional pipeline stages called components, and every component has some
20 Typical D71 components:
23 -----
30 ------
39 -------------------
47 --------------------------
52 -----------------------------
57 --------------------------------
62 ------
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| /linux/Documentation/devicetree/bindings/sound/ |
| H A D | omap-abe-twl6040.txt | 4 - compatible: "ti,abe-twl6040"
5 - ti,model: Name of the sound card ( for example "SDP4430")
6 - ti,mclk-freq: MCLK frequency for HPPLL operation
7 - ti,mcpdm: phandle for the McPDM node
8 - ti,twl6040: phandle for the twl6040 core node
9 - ti,audio-routing: List of connections between audio components.
14 - ti,dmic: phandle for the OMAP dmic node if the machine have it connected
15 - ti,jack-detection: Need to be present if the board capable to detect jack
18 Available audio endpoints for the audio-routing table:
28 * Sub Handset Mic
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| H A D | samsung,midas-audio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/samsung,midas-audio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sylwester Nawrocki <s.nawrocki@samsung.com>
13 - $ref: sound-card-common.yaml#
17 const: samsung,midas-audio
23 sound-dai:
27 - sound-dai
33 sound-dai:
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| H A D | mt8192-mt6359-rt1015-rt5682.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/mt8192-mt6359-rt1015-rt5682.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jiaxin Yu <jiaxin.yu@mediatek.com>
11 - Shane Chien <shane.chien@mediatek.com>
17 - $ref: sound-card-common.yaml#
22 - mediatek,mt8192_mt6359_rt1015_rt5682
23 - mediatek,mt8192_mt6359_rt1015p_rt5682
24 - mediatek,mt8192_mt6359_rt1015p_rt5682s
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| H A D | mt8186-mt6366-da7219-max98357.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/mt8186-mt6366-da7219-max98357.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jiaxin Yu <jiaxin.yu@mediatek.com>
16 - $ref: sound-card-common.yaml#
21 - mediatek,mt8186-mt6366-da7219-max98357-sound
23 audio-routing:
24 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
26 A list of the connections between audio components. Each entry is a
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| H A D | mt8195-mt6359.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/mt8195-mt6359.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Trevor Wu <trevor.wu@mediatek.com>
16 - $ref: sound-card-common.yaml#
21 - mediatek,mt8195_mt6359_rt1019_rt5682
22 - mediatek,mt8195_mt6359_rt1011_rt5682
23 - mediatek,mt8195_mt6359_max98390_rt5682
24 - mediatek,mt8195_mt6359
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| H A D | cs35l35.txt | 5 - compatible : "cirrus,cs35l35"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
13 - interrupts : IRQ line info CS35L35.
14 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
17 - cirrus,boost-ind-nanohenry: Inductor value for boost converter. The value is
21 - reset-gpios : gpio used to reset the amplifier
23 - cirrus,stereo-config : Boolean to determine if there are 2 AMPs for a
26 - cirrus,audio-channel : Set Location of Audio Signal on Serial Port
30 - cirrus,advisory-channel : Set Location of Advisory Signal on Serial Port
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| H A D | mt8186-mt6366-rt1019-rt5682s.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/mt8186-mt6366-rt1019-rt5682s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jiaxin Yu <jiaxin.yu@mediatek.com>
16 - $ref: sound-card-common.yaml#
21 - mediatek,mt8186-mt6366-rt1019-rt5682s-sound
22 - mediatek,mt8186-mt6366-rt5682s-max98360-sound
23 - mediatek,mt8186-mt6366-rt5650-sound
25 audio-routing:
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| /linux/drivers/gpu/drm/msm/disp/ |
| H A D | mdp_format.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
41 * @fetch_type: how the color components are packed in pixel format
42 * @chroma_sample: chroma sub-samplng type
44 * @unpack_count: number of the components to unpack
67 #define MSM_FORMAT_IS_YUV(X) ((X)->flags & MSM_FORMAT_FLAG_YUV)
68 #define MSM_FORMAT_IS_DX(X) ((X)->flags & MSM_FORMAT_FLAG_DX)
69 #define MSM_FORMAT_IS_LINEAR(X) ((X)->fetch_mode == MDP_FETCH_LINEAR)
71 (((X)->fetch_mode == MDP_FETCH_UBWC) && \
72 !((X)->flags & MSM_FORMAT_FLAG_COMPRESSED))
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| /linux/drivers/base/ |
| H A D | component.c | 1 // SPDX-License-Identifier: GPL-2.0
16 * The component helper allows drivers to collect a pile of sub-devices,
18 * already provide functions to get hold of such components, e.g.
20 * subsystem-specific way to find a device is not available: The component
24 * the SoC on various components (scanout engines, blending blocks, transcoders
30 * Components are registered using component_add() and unregistered with
85 struct aggregate_device *m = s->private; in component_devices_show()
86 struct component_match *match = m->match; in component_devices_show()
90 seq_printf(s, "%-50s %20s\n", "aggregate_device name", "status"); in component_devices_show()
91 seq_puts(s, "-----------------------------------------------------------------------\n"); in component_devices_show()
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| /linux/drivers/staging/most/Documentation/ |
| H A D | driver_usage.txt | 5 access a MOST network: The Automotive Information Backbone and the de-facto
6 standard for high-bandwidth automotive multimedia networking.
9 for the efficient and low-cost transport of control, real-time and packet
94 This layer contains a pool of device drivers that are components of the
98 following components are available
128 - buffer_size
130 - subbuffer_size
131 configure the sub-buffer size for this channel (needed for
133 - num_buffers
135 - datatype
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| /linux/Documentation/trace/coresight/ |
| H A D | coresight-config.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 programming of the CoreSight system with pre-defined configurations that
17 Many CoreSight components can be programmed in complex ways - especially ETMs.
18 In addition, components can interact across the CoreSight system, often via
19 the cross trigger components such as CTI and CTM. These system settings can
30 --------
41 accesses in the driver - the resource usage and parameter descriptions
67 system - which is described below.
74 --------------
82 enabled on a class of devices - i.e. any ETMv4, or specific devices, e.g. a
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| /linux/Documentation/devicetree/bindings/usb/ |
| H A D | omap-usb.txt | 1 OMAP GLUE AND OTHER OMAP SPECIFIC COMPONENTS
4 - compatible : Should be "ti,omap4-musb" or "ti,omap3-musb"
5 - ti,hwmods : must be "usb_otg_hs"
6 - multipoint : Should be "1" indicating the musb controller supports
7 multipoint. This is a MUSB configuration-specific setting.
8 - num-eps : Specifies the number of endpoints. This is also a
9 MUSB configuration-specific setting. Should be set to "16"
10 - ram-bits : Specifies the ram address size. Should be set to "12"
11 - interface-type : This is a board specific setting to describe the type of
14 - mode : Should be "3" to represent OTG. "1" signifies HOST and "2"
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| /linux/drivers/gpu/drm/msm/disp/mdp5/ |
| H A D | mdp5_smp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
34 struct msm_drm_private *priv = smp->dev->dev_private; in get_kms()
36 return to_mdp5_kms(to_mdp_kms(priv->kms)); in get_kms()
48 * For ViG pipes, fetch Y/Cr/Cb-components clients are always in pipe2client()
52 * if mdp5_cfg->smp.clients[SSPP_VIG0] = N, in pipe2client()
58 return mdp5_cfg->smp.clients[pipe] + plane; in pipe2client()
66 void *cs = state->client_state[cid]; in smp_request_block()
67 int i, avail, cnt = smp->blk_cnt; in smp_request_block()
70 /* we shouldn't be requesting blocks for an in-use client: */ in smp_request_block()
73 reserved = smp->reserved[cid]; in smp_request_block()
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| /linux/Documentation/devicetree/bindings/display/ |
| H A D | st,stih4xx.txt | 3 - sti-vtg: video timing generator
5 - compatible: "st,vtg"
6 - reg: Physical base address of the IP registers and length of memory mapped region.
8 - interrupts : VTG interrupt number to the CPU.
9 - st,slave: phandle on a slave vtg
11 - sti-vtac: video timing advanced inter dye communication Rx and TX
13 - compatible: "st,vtac-main" or "st,vtac-aux"
14 - reg: Physical base address of the IP registers and length of memory mapped region.
15 - clocks: from common clock binding: handle hardware IP needed clocks, the
17 See ../clocks/clock-bindings.txt for details.
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| /linux/Documentation/devicetree/bindings/mips/brcm/ |
| H A D | soc.txt | 5 - compatible: "brcm,bcm3368", "brcm,bcm3384", "brcm,bcm33843"
6 "brcm,bcm3384-viper", "brcm,bcm33843-viper"
12 The experimental -viper variants are for running Linux on the 3384's
16 ----------------
19 components are needed:
21 = Always-On control block (AON CTRL)
23 This hardware provides control registers for the "always-on" (even in low-power
27 - compatible : should be one of
28 "brcm,bcm7425-aon-ctrl"
29 "brcm,bcm7429-aon-ctrl"
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