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| /Documentation/translations/zh_CN/core-api/ |
| D | packing.rst | 1 .. SPDX-License-Identifier: GPL-2.0+
3 .. include:: ../disclaimer-zh_CN.rst
5 :Original: Documentation/core-api/packing.rst
22 --------
42 --------
46 - 将一个CPU可使用的数字打包到内存缓冲区中（具有硬件约束/特殊性）。
47 - 将内存缓冲区（具有硬件约束/特殊性）解压缩为一个CPU可使用的数字。
54 以下示例介绍了打包u64字段的内存布局。打包缓冲区中的字节偏移量始终默认为0，1...7。
62 7 6 5 4
63 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
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| /Documentation/userspace-api/media/v4l/ |
| D | pixfmt-packed-yuv.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _packed-yuv:
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
22 4:4:4 Subsampling
28 The next table lists the packed YUV 4:4:4 formats with less than 8 bits per
30 seen in a 16-bit word, which is then stored in memory in little endian byte
32 format stores a pixel in a 16-bit word [15:0] laid out at as [Y'\ :sub:`4-0`
33 Cb\ :sub:`5-0` Cr\ :sub:`4-0`], and stored in memory in two bytes,
34 [Cb\ :sub:`2-0` Cr\ :sub:`4-0`] followed by [Y'\ :sub:`4-0` Cb\ :sub:`5-3`].
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| D | pixfmt-rgb.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _pixfmt-rgb:
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,
56 noted by the presence of bit 31 in the 4CC value), and on the number of bits
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| D | metafmt-vsp1-hgo.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-meta-fmt-vsp1-hgo:
9 Renesas R-Car VSP1 1-D Histogram Data
15 This format describes histogram data generated by the Renesas R-Car VSP1 1-D
20 computes the minimum, maximum and sum of all pixels as well as per-channel
28 - In *64 bins normal mode*, the HGO operates on the three channels independently
29 to compute three 64-bins histograms. RGB, YCbCr and HSV image formats are
31 - In *64 bins maximum mode*, the HGO operates on the maximum of the (R, G, B)
32 channels to compute a single 64-bins histogram. Only the RGB image format is
34 - In *256 bins normal mode*, the HGO operates on the Y channel to compute a
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| D | pixfmt-srggb10-ipu3.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-pix-fmt-ipu3-sbggr10:
4 .. _v4l2-pix-fmt-ipu3-sgbrg10:
5 .. _v4l2-pix-fmt-ipu3-sgrbg10:
6 .. _v4l2-pix-fmt-ipu3-srggb10:
13 10-bit Bayer formats
24 In other respects this format is similar to :ref:`V4L2-PIX-FMT-SRGGB10`.
36 .. flat-table::
38 * - start + 0:
39 - B\ :sub:`0000low`
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| D | pixfmt-packed-hsv.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _packed-hsv:
13 depends on the hsv-encoding used, see :ref:`colorspaces`.
29 .. _packed-hsv-formats:
31 .. flat-table:: Packed HSV Image Formats
32 :header-rows: 2
33 :stub-columns: 0
35 * - Identifier
36 - Code
37 -
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| D | subdev-formats.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-mbus-format:
14 .. flat-table:: struct v4l2_mbus_framefmt
15 :header-rows: 0
16 :stub-columns: 0
19 * - __u32
20 - ``width``
21 - Image width in pixels.
22 * - __u32
23 - ``height``
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| D | pixfmt-srggb14p.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-SRGGB14P:
4 .. _v4l2-pix-fmt-sbggr14p:
5 .. _v4l2-pix-fmt-sgbrg14p:
6 .. _v4l2-pix-fmt-sgrbg14p:
17 14-bit packed Bayer formats
29 Each n-pixel row contains n/2 green samples and n/2 blue or red samples,
30 with alternating green-red and green-blue rows. They are conventionally
45 .. flat-table::
46 :header-rows: 0
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| D | pixfmt-srggb12p.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-SRGGB12P:
4 .. _v4l2-pix-fmt-sbggr12p:
5 .. _v4l2-pix-fmt-sgbrg12p:
6 .. _v4l2-pix-fmt-sgrbg12p:
13 12-bit packed Bayer formats
14 ---------------------------
26 Each n-pixel row contains n/2 green samples and n/2 blue or red
27 samples, with alternating green-red and green-blue rows. They are
37 .. flat-table::
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| D | pixfmt-yuv-luma.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _yuv-luma-only:
6 Luma-Only Formats
14 - In all the tables that follow, bit 7 is the most significant bit in a byte.
15 - Formats are described with the minimum number of pixels needed to create a
16 byte-aligned repeating pattern. `...` indicates repetition of the pattern.
17 - Y'\ :sub:`x`\ [9:2] denotes bits 9 to 2 of the Y' value for pixel at column
19 - `0` denotes padding bits set to 0.
28 .. flat-table:: Luma-Only Image Formats
29 :header-rows: 1
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| /Documentation/input/devices/ |
| D | elantech.rst | 4 Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net>
18 4. Hardware version 1
20 4.2 Native relative mode 4 byte packet format
21 4.3 Native absolute mode 4 byte packet format
25 5.2.1 Parity checking and packet re-synchronization
33 7. Hardware version 4
39 8. Trackpoint (for Hardware version 3 and 4)
51 and version 4. Version 1 is found in "older" laptops and uses 4 bytes per
56 of up to 3 fingers. Hardware version 4 uses 6 bytes per packet, and can
58 4 allows tracking up to 5 fingers.
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| D | sentelic.rst | 8 :Copyright: |copy| 2002-2011 Sentelic Corporation.
10 :Last update: Dec-07-2011
12 Finger Sensing Pad Intellimouse Mode (scrolling wheel, 4th and 5th buttons)
15 A) MSID 4: Scrolling wheel mode plus Forward page(4th button) and Backward
21 4. Issuing the "Get device ID" command (0xF2) and waits for the response;
27 Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
28 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
29 1 |Y|X|y|x|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 | | |B|F|W|W|W|W|
30 |---------------| |---------------| |---------------| |---------------|
40 Byte 2: X Movement(9-bit 2's complement integers)
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| /Documentation/hwmon/ |
| D | lt7182s.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 LT7182S is a Dual Channel 6A, 20V PolyPhase Step-Down Silent Switcher with
27 -----------
33 at address 0x4f on I2C bus #4::
36 # echo lt7182s 0x4f > /sys/bus/i2c/devices/i2c-4/new_device
42 ----------------
45 curr[1-2]_label "iin[12]"
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| /Documentation/core-api/ |
| D | packing.rst | 6 -----------------
10 One can memory-map a pointer to a carefully crafted struct over the hardware
23 were performed byte-by-byte. Also the code can easily get cluttered, and the
24 high-level idea might get lost among the many bit shifts required.
25 Many drivers take the bit-shifting approach and then attempt to reduce the
30 ------------
34 - Packing a CPU-usable number into a memory buffer (with hardware
36 - Unpacking a memory buffer (which has hardware constraints/quirks)
37 into a CPU-usable number.
44 perspective, bit 63 always means bit offset 7 of byte 7, albeit only
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| /Documentation/gpu/amdgpu/ |
| D | apu-asic-info-table.csv | 7 Ryzen 5000 series / Ryzen 7x30 series, GREEN SARDINE / Cezanne / Barcelo / Barcelo-R, DCN 2.1, 9.3,…
8 Ryzen 6000 series / Ryzen 7x35 series / Ryzen 7x36 series, YELLOW CARP / Rembrandt / Rembrandt-R, 3…
11 Ryzen 7x45 series (FL1), Dragon Range, 3.1.5, 10.3.6, 3.1.2, 5.2.6, 13.0.5
12 Ryzen 7x20 series, Mendocino, 3.1.6, 10.3.7, 3.1.1, 5.2.7, 13.0.8
13 Ryzen 7x40 series, Phoenix, 3.1.4, 11.0.1 / 11.0.4, 4.0.2, 6.0.1, 13.0.4 / 13.0.11
14 Ryzen 8x40 series, Hawk Point, 3.1.4, 11.0.1 / 11.0.4, 4.0.2, 6.0.1, 13.0.4 / 13.0.11
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| /Documentation/devicetree/bindings/leds/ |
| D | leds-netxbig.txt | 5 - compatible: "lacie,netxbig-leds".
6 - gpio-ext: Phandle for the gpio-ext bus.
9 - timers: Timer array. Each timer entry is represented by three integers:
10 Mode (gpio-ext bus), delay_on and delay_off.
12 Each LED is represented as a sub-node of the netxbig-leds device.
14 Required sub-node properties:
15 - mode-addr: Mode register address on gpio-ext bus.
16 - mode-val: Mode to value mapping. Each entry is represented by two integers:
17 A mode and the corresponding value on the gpio-ext bus.
18 - bright-addr: Brightness register address on gpio-ext bus.
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| D | leds-bcm6328.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-bcm6328.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Álvaro Fernández Rojas <noltari@gmail.com>
17 as spi-gpio. See
21 exporting the 74x164 as spi-gpio prevents those LEDs to be hardware
29 explained later in brcm,link-signal-sources). Even if a LED is hardware
34 Each LED is represented as a sub-node of the brcm,bcm6328-leds device.
38 const: brcm,bcm6328-leds
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| /Documentation/driver-api/media/drivers/ccs/ |
| D | ccs-regs.asc | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
2 # Copyright (C) 2019--2020 Intel Corporation
5 # - f field LSB MSB rflags
6 # - e enum value # after a field
7 # - e enum value [LSB MSB]
8 # - b bool bit
9 # - l arg name min max elsize [discontig...]
23 - e GRBG 0
24 - e RGGB 1
25 - e BGGR 2
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| /Documentation/devicetree/bindings/iio/adc/ |
| D | ti,ads1015.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI ADS1015/ADS1115 4 channel I2C analog to digital converter
10 - Daniel Baluta <daniel.baluta@nxp.com>
19 - ti,ads1015
20 - ti,ads1115
21 - ti,tla2021
22 - ti,tla2024
30 "#address-cells":
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| /Documentation/devicetree/bindings/media/i2c/ |
| D | tda1997x.txt | 1 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]
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| /Documentation/devicetree/bindings/sound/ |
| D | nuvoton,nau8825.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - John Hsu <KCHSU0@nuvoton.com>
13 - $ref: dai-common.yaml#
18 - nuvoton,nau8825
26 nuvoton,jkdet-enable:
31 nuvoton,jkdet-pull-enable:
34 If set - pin pull enabled, otherwise pin in high impedance state.
37 nuvoton,jkdet-pull-up:
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| /Documentation/driver-api/media/drivers/ |
| D | sh_mobile_ceu_camera.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 -----------
12 host scales: -"- host driver
17 ---------------------------------
19 .. code-block:: none
21 -1--
23 -2-- -\
24 | --\
25 | --\
26 +-5-- . -- -3-- -\
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| /Documentation/iio/ |
| D | ad7380.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
23 * `AD7380-4 <https://www.analog.com/en/products/ad7380-4.html>`_
24 * `AD7381-4 <https://www.analog.com/en/products/ad7381-4.html>`_
25 * `AD7383-4 <https://www.analog.com/en/products/ad7383-4.html>`_
26 * `AD7384-4 <https://www.analog.com/en/products/ad7384-4.html>`_
27 * `AD7386-4 <https://www.analog.com/en/products/ad7386-4.html>`_
28 * `AD7387-4 <https://www.analog.com/en/products/ad7387-4.html>`_
29 * `AD7388-4 <https://www.analog.com/en/products/ad7388-4.html>`_
36 ----------------
38 ad738x ADCs can output data on several SDO lines (1/2/4). The driver currently
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| /Documentation/i2c/ |
| D | i2c-sysfs.rst | 1 .. SPDX-License-Identifier: GPL-2.0
18 useful and essential to use ``i2c-tools`` for the purpose of development and
22 ---------------
28 -------------
41 start with ``i2c-`` are I2C buses, which may be either physical or logical. The
48 0-0008 0-0061 1-0028 3-0043 4-0036 4-0041 i2c-1 i2c-3
49 0-000c 0-0066 2-0049 4-000b 4-0040 i2c-0 i2c-2 i2c-4
51 ``i2c-2`` is an I2C bus whose number is 2, and ``2-0049`` is an I2C device
60 -----------------------------
71 -----------------------
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| /Documentation/RCU/Design/Expedited-Grace-Periods/ |
| D | Funnel1.svg | 1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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