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/Documentation/filesystems/ext4/
Dgroup_descr.rst1 .. SPDX-License-Identifier: GPL-2.0
4 -----------------------
38 checksum is the lower 16 bits of the checksum of the FS UUID, the group
45 .. list-table::
47 :header-rows: 1
49 * - Offset
50 - Size
51 - Name
52 - Description
53 * - 0x0
[all …]
Dinodes.rst1 .. SPDX-License-Identifier: GPL-2.0
4 -----------
15 links and is in general more seek-happy than ext4 due to its simpler
22 ``(inode_number - 1) / sb.s_inodes_per_group``, and the offset into the
23 group's table is ``(inode_number - 1) % sb.s_inodes_per_group``. There
31 .. list-table::
33 :header-rows: 1
36 * - Offset
37 - Size
38 - Name
[all …]
/Documentation/userspace-api/media/rc/
Drc-protos.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
22 Some remotes have a pointer-type device which can used to control the
29 rc-5 (RC_PROTO_RC5)
30 -------------------
32 This IR protocol uses manchester encoding to encode 14 bits. There is a
38 .. flat-table:: rc5 bits scancode mapping
41 * - rc-5 bit
43 - scancode bit
45 - description
47 * - 1
[all …]
/Documentation/devicetree/bindings/media/i2c/
Dtda1997x.txt1 Device-Tree bindings for the NXP TDA1997x HDMI receiver
6 - RGB 8bit per color (24 bits total): R[11:4] B[11:4] G[11:4]
7 - YUV444 8bit per color (24 bits total): Y[11:4] Cr[11:4] Cb[11:4]
8 - YUV422 semi-planar 8bit per component (16 bits total): Y[11:4] CbCr[11:4]
9 - YUV422 semi-planar 10bit per component (20 bits total): Y[11:2] CbCr[11:2]
10 - YUV422 semi-planar 12bit per component (24 bits total): - Y[11:0] CbCr[11:0]
11 - YUV422 BT656 8bit per component (8 bits total): YCbCr[11:4] (2-cycles)
12 - YUV422 BT656 10bit per component (10 bits total): YCbCr[11:2] (2-cycles)
13 - YUV422 BT656 12bit per component (12 bits total): YCbCr[11:0] (2-cycles)
16 - RGB 12bit per color (36 bits total): R[11:0] B[11:0] G[11:0]
[all …]
/Documentation/devicetree/bindings/dma/
Dsnps,dma-spear1340.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/dma/snps,dma-spear1340.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <vireshk@kernel.org>
11 - Andy Shevchenko <andriy.shevchenko@linux.intel.com>
14 - $ref: dma-controller.yaml#
19 - const: snps,dma-spear1340
20 - items:
21 - enum:
[all …]
Datmel-dma.txt4 - compatible: Should be "atmel,<chip>-dma".
5 - reg: Should contain DMA registers location and length.
6 - interrupts: Should contain DMA interrupt.
7 - #dma-cells: Must be <2>, used to represent the number of integer cells in
13 compatible = "atmel,at91sam9g45-dma";
16 #dma-cells = <2>;
20 described in the dma.txt file, using a three-cell specifier for each channel:
25 2. The memory interface (16 most significant bits), the peripheral interface
26 (16 less significant bits).
29 - bit 7-0: peripheral identifier for the hardware handshaking interface. The
[all …]
/Documentation/devicetree/bindings/soundwire/
Dqcom,soundwire.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11 - Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
19 - qcom,soundwire-v1.3.0
20 - qcom,soundwire-v1.5.0
21 - qcom,soundwire-v1.5.1
22 - qcom,soundwire-v1.6.0
23 - qcom,soundwire-v1.7.0
[all …]
/Documentation/devicetree/bindings/input/touchscreen/
Dadi,ad7879.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
10 - Frank Li <Frank.Li@nxp.com>
16 for I2C slave, use "adi,ad7879-1"
18 - adi,ad7879
19 - adi,ad7879-1
27 touchscreen-max-pressure:
31 adi,resistance-plate-x:
[all …]
Dti,ads7843.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Stein <alexander.stein@ew.tq-group.com>
11 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
12 - Marek Vasut <marex@denx.de>
21 - ti,ads7843
22 - ti,ads7845
23 - ti,ads7846
24 - ti,ads7873
[all …]
/Documentation/devicetree/bindings/net/
Dmarvell-bt-8xxx.txt2 ------
9 - compatible : should be one of the following:
10 * "marvell,sd8897-bt" (for SDIO)
11 * "marvell,sd8997-bt" (for SDIO)
16 - marvell,cal-data: Calibration data downloaded to the device during
20 - marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip.
22 - marvell,wakeup-gap-ms: wakeup gap represents wakeup latency of the host
25 - interrupt-names: Used only for USB based devices (See below)
26 - interrupts : specifies the interrupt pin number to the cpu. For SDIO, the
29 named "wakeup" from the interrupt-names and interrupt arrays.
[all …]
/Documentation/userspace-api/media/drivers/
Ddw100.rst1 .. SPDX-License-Identifier: GPL-2.0
10 The transformation function is exposed by the hardware as a grid map with 16x16
15 <--------------------------------------->
17 ^ .-------.-------.-------.-------.-------.
18 | | 16x16 | | | | |
21 a | .-------.-------.-------.-------.-------.
25 h | .-------.-------.-------.-------.-------.
29 h | .-------.-------.-------.-------.-------.
33 v '-------'-------'-------'-------'-------'
38 Each x, y coordinate register uses 16 bits to record the coordinate address in
[all …]
Dcx2341x-uapi.rst1 .. SPDX-License-Identifier: GPL-2.0
6 Non-compressed file format
7 --------------------------
10 format of a YUV frame is 16x16 linear tiled NV12 (V4L2_PIX_FMT_NV12_16L16).
18 The Y plane is divided into blocks of 16x16 pixels from left to right
19 and from top to bottom. Each block is transmitted in turn, line-by-line.
21 So the first 16 bytes are the first line of the top-left block, the
22 second 16 bytes are the second line of the top-left block, etc. After
26 The UV plane is divided into blocks of 16x8 UV values going from left
27 to right, top to bottom. Each block is transmitted in turn, line-by-line.
[all …]
/Documentation/devicetree/bindings/ata/
Dceva,ahci-1v84.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/ata/ceva,ahci-1v84.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mubin Sayyed <mubin.sayyed@amd.com>
11 - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
15 special extensions to add functionality, is a high-performance dual-port
22 const: ceva,ahci-1v84
30 dma-coherent: true
38 power-domains:
[all …]
/Documentation/userspace-api/media/v4l/
Dpixfmt-yuv-planar.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. planar-yuv:
12 - Semi-planar formats use two planes. The first plane is the luma plane and
16 - Fully planar formats use three planes to store the Y, Cb and Cr components
26 and applications that support the multi-planar API, described in
27 :ref:`planar-apis`. Unless explicitly documented as supporting non-contiguous
31 Semi-Planar YUV Formats
46 For non-contiguous formats, no constraints are enforced by the format on the
49 All components are stored with the same number of bits per component.
57 .. flat-table:: Overview of Semi-Planar YUV Formats
[all …]
Dpixfmt-srggb12.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-SRGGB12:
4 .. _v4l2-pix-fmt-sbggr12:
5 .. _v4l2-pix-fmt-sgbrg12:
6 .. _v4l2-pix-fmt-sgrbg12:
17 12-bit Bayer formats expanded to 16 bits
23 These four pixel formats are raw sRGB / Bayer formats with 12 bits per
24 colour. Each colour component is stored in a 16-bit word, with 4 unused
25 high bits filled with zeros. Each n-pixel row contains n/2 green samples
32 Each cell is one byte, the 4 most significant bits in the high bytes are
[all …]
Dpixfmt-srggb10.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-SRGGB10:
4 .. _v4l2-pix-fmt-sbggr10:
5 .. _v4l2-pix-fmt-sgbrg10:
6 .. _v4l2-pix-fmt-sgrbg10:
16 10-bit Bayer formats expanded to 16 bits
22 These four pixel formats are raw sRGB / Bayer formats with 10 bits per
23 sample. Each sample is stored in a 16-bit word, with 6 unused
24 high bits filled with zeros. Each n-pixel row contains n/2 green samples and
31 Each cell is one byte, the 6 most significant bits in the high bytes
[all …]
/Documentation/sound/cards/
Daudiophile-usb.rst2 Guide to using M-Audio Audiophile USB with ALSA and Jack
9 This document is a guide to using the M-Audio Audiophile USB (tm) device with
15 * v1.4 - Thibault Le Meur (2007-07-11)
17 - Added Low Endianness nature of 16bits-modes
19 - Modifying document structure
21 * v1.5 - Thibault Le Meur (2007-07-12)
22 - Added AC3/DTS passthru info
35 - This port supports 2 pairs of line-level audio inputs (1/4" TS and RCA)
36 - When the 1/4" TS (jack) connectors are connected, the RCA connectors
47 * sample depth of 16 or 24 bits
[all …]
/Documentation/devicetree/bindings/iio/light/
Dupisemi,us5182.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Cameron <jic23@kernel.org>
19 upisemi,glass-coef:
22 glass attenuation factor - compensation factor of resolution 1000
26 upisemi,dark-ths:
27 $ref: /schemas/types.yaml#/definitions/uint16-array
31 16-bit thresholds (adc counts) corresponding to every scale.
33 upisemi,upper-dark-gain:
[all …]
/Documentation/devicetree/bindings/iio/resolver/
Dadi,ad2s1210.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD2S1210 Resolver-to-Digital Converter
10 - Michael Hennerich <michael.hennerich@analog.com>
13 The AD2S1210 is a complete 10-bit to 16-bit resolution tracking
14 resolver-to-digital converter, integrating an on-board programmable
29 0 0 Normal mode - position output
30 0 1 Normal mode - velocity output
36 selected by setting the RES0 and RES1 bits in the control register.
[all …]
/Documentation/driver-api/media/drivers/
Dcx2341x-devel.rst1 .. SPDX-License-Identifier: GPL-2.0
7 -----------------------
12 .. note:: the memory long words are little-endian ('intel format').
21 .. code-block:: none
23 ivtvctl -O min=0x02000000,max=0x020000ff
26 register space :-).
35 .. code-block:: none
37 0x00000000-0x00ffffff Encoder memory space
38 0x00000000-0x0003ffff Encode.rom
39 ???-??? MPEG buffer(s)
[all …]
/Documentation/arch/sparc/oradax/
Ddax-hv-api.txt3 Publication date 2017-09-25 08:21
5 Extracted via "pdftotext -f 547 -l 572 -layout sun4v_20170925.pdf"
16 live-migration and other system management activities.
20 …high speed processoring of database-centric operations. The coprocessors may support one or more of
28 …e Completion Area and, unless execution order is specifically restricted through the use of serial-
45 …device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
51 36.1.1.1. "ORCL,sun4v-dax" Device Compatibility
54 • No-op/Sync
81 36.1.1.2. "ORCL,sun4v-dax-fc" Device Compatibility
82 … "ORCL,sun4v-dax-fc" is compatible with the "ORCL,sun4v-dax" interface, and includes additional CCB
[all …]
/Documentation/devicetree/bindings/display/
Dwm,wm8505-fb.txt2 -----------------------------------------------------
5 - compatible : "wm,wm8505-fb"
6 - reg : Should contain 1 register ranges(address and length)
7 - bits-per-pixel : bit depth of framebuffer (16 or 32)
10 - display-timings: see display-timing.txt for information
15 compatible = "wm,wm8505-fb";
17 bits-per-pixel = <16>;
19 display-timings {
20 native-mode = <&timing0>;
22 clock-frequency = <0>; /* unused but required */
[all …]
Dvia,vt8500-fb.txt2 -----------------------------------------------------
5 - compatible : "via,vt8500-fb"
6 - reg : Should contain 1 register ranges(address and length)
7 - interrupts : framebuffer controller interrupt
8 - bits-per-pixel : bit depth of framebuffer (16 or 32)
11 - display-timings: see display-timing.txt for information
16 compatible = "via,vt8500-fb";
19 bits-per-pixel = <16>;
21 display-timings {
22 native-mode = <&timing0>;
[all …]
/Documentation/staging/
Dlzo.rst21 instructions consist in a few bits representing an opcode, and bits forming
26 - a distance when copying data from the dictionary (past output buffer)
27 - a length (number of bytes to copy from dictionary)
28 - the number of literals to copy, which is retained in variable "state"
40 of bits in the operand. If the number of bits isn't enough to represent the
43 around 255:1). The variable length encoding using #bits is always the same::
45 length = byte & ((1 << #bits) - 1)
47 length = ((1 << #bits) - 1)
49 length += first-non-zero-byte
54 pointer. Distances are encoded using very few bits belonging to certain
[all …]
/Documentation/netlink/specs/
Dtcp_metrics.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 protocol: genetlink-legacy
10 c-family-name: tcp-metrics-genl-name
11 c-version-name: tcp-metrics-genl-version
12 max-by-define: true
13 kernel-policy: global
16 -
17 name: tcp-fastopen-cookie-max
19 value: 16
21 attribute-sets:
[all …]

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