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/linux/Documentation/userspace-api/media/v4l/
H A Dsubdev-formats.rst1 .. 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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H A Dpixfmt-rgb.rst1 .. 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,
57 for each component. For instance, the RGB565 format stores a pixel in a 16-bit
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H A 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
57 .. flat-table:: Overview of Semi-Planar YUV Formats
58 :header-rows: 1
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H A Dpixfmt-srggb10-ipu3.rst1 .. 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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H A Dpixfmt-packed-yuv.rst1 .. 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
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`].
44 .. flat-table:: Packed YUV 4:4:4 Image Formats (less than 8bpc)
45 :header-rows: 2
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H A Dpixfmt-packed-hsv.rst1 .. 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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H A Dpixfmt-yuv-luma.rst1 .. 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
[all …]
H A Dpixfmt-y8i.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-Y8I:
10 Interleaved grey-scale image, e.g. from a stereo-pair
16 This is a grey-scale image with a depth of 8 bits per pixel, but with
17 pixels from 2 sources interleaved. Each pixel is stored in a 16-bit
27 .. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
31 * - start + 0:
32 - Y'\ :sub:`00left`
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H A Dpixfmt-z16.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-Z16:
10 16-bit depth data with distance values at each pixel
16 This is a 16-bit format, representing depth data. Each pixel is a
19 is stored in a 16-bit word in the little endian byte order.
27 .. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
31 * - start + 0:
32 - Z\ :sub:`00low`
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H A Dpixfmt-tch-tu16.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-TCH-FMT-TU16:
11 16-bit unsigned little endian raw touch data
17 This format represents unsigned 16-bit data from a touch controller.
26 .. flat-table::
27 :header-rows: 0
28 :stub-columns: 0
31 * - start + 0:
32 - R'\ :sub:`00low`
33 - R'\ :sub:`00high`
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H A Dpixfmt-tch-td16.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-TCH-FMT-DELTA-TD16:
11 16-bit signed little endian Touch Delta
19 Delta values may range from -32768 to 32767. Typically the values will vary
27 .. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
32 * - start + 0:
33 - D'\ :sub:`00low`
34 - D'\ :sub:`00high`
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H A Dpixfmt-m420.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-M420:
10 YUV 4:2:0. Hybrid plane line-interleaved layout.
23 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`,
24 Y'\ :sub:`10`, Y'\ :sub:`11`.
33 .. flat-table::
34 :header-rows: 0
35 :stub-columns: 0
37 * - start + 0:
38 - Y'\ :sub:`00`
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H A 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
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
37 .. flat-table::
38 :header-rows: 0
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H A Dpixfmt-srggb16.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-SRGGB16:
4 .. _v4l2-pix-fmt-sbggr16:
5 .. _v4l2-pix-fmt-sgbrg16:
6 .. _v4l2-pix-fmt-sgrbg16:
15 16-bit Bayer formats
23 sample. Each sample is stored in a 16-bit word. Each n-pixel row contains
32 .. flat-table::
33 :header-rows: 0
34 :stub-columns: 0
[all …]
H A 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
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
38 .. flat-table::
39 :header-rows: 0
[all …]
H A Dpixfmt-srggb14p.rst1 .. 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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/linux/sound/soc/uniphier/
H A Daio-core.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
17 #include "aio-reg.h"
22 return wr - rd; in rb_cnt()
24 return len - (rd - wr); in rb_cnt()
30 return wr - rd; in rb_cnt_to_end()
32 return len - rd; in rb_cnt_to_end()
38 return len - (wr - rd) - 8; in rb_space()
40 return rd - wr - 8; in rb_space()
46 return rd - wr - 8; in rb_space_to_end()
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H A Daio-compress.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2017-2018 Socionext Inc.
9 #include <linux/dma-mapping.h>
26 struct snd_compr *compr = rtd->compr; in uniphier_aio_comprdma_new()
27 struct device *dev = compr->card->dev; in uniphier_aio_comprdma_new()
29 struct uniphier_aio_sub *sub = &aio->sub[compr->direction]; in uniphier_aio_comprdma_new() local
37 sub->compr_area = kzalloc(size, GFP_KERNEL); in uniphier_aio_comprdma_new()
38 if (!sub->compr_area) in uniphier_aio_comprdma_new()
39 return -ENOMEM; in uniphier_aio_comprdma_new()
41 if (sub->swm->dir == PORT_DIR_OUTPUT) in uniphier_aio_comprdma_new()
[all …]
H A Daio-dma.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
7 #include <linux/dma-mapping.h>
28 static void aiodma_pcm_irq(struct uniphier_aio_sub *sub) in aiodma_pcm_irq() argument
30 struct snd_pcm_runtime *runtime = sub->substream->runtime; in aiodma_pcm_irq()
31 int bytes = runtime->period_size * in aiodma_pcm_irq()
32 runtime->channels * samples_to_bytes(runtime, 1); in aiodma_pcm_irq()
35 spin_lock(&sub->lock); in aiodma_pcm_irq()
36 ret = aiodma_rb_set_threshold(sub, runtime->dma_bytes, in aiodma_pcm_irq()
37 sub->threshold + bytes); in aiodma_pcm_irq()
[all …]
/linux/net/tipc/
H A Dsubscr.c4 * Copyright (c) 2000-2017, Ericsson AB
5 * Copyright (c) 2005-2007, 2010-2013, Wind River Systems
6 * Copyright (c) 2020-2021, Red Hat Inc
42 static void tipc_sub_send_event(struct tipc_subscription *sub, in tipc_sub_send_event() argument
46 struct tipc_subscr *s = &sub->evt.s; in tipc_sub_send_event()
47 struct tipc_event *evt = &sub->evt; in tipc_sub_send_event()
49 if (sub->inactive) in tipc_sub_send_event()
53 tipc_evt_write(evt, found_lower, p->sr.lower); in tipc_sub_send_event()
54 tipc_evt_write(evt, found_upper, p->sr.upper); in tipc_sub_send_event()
55 tipc_evt_write(evt, port.ref, p->sk.ref); in tipc_sub_send_event()
[all …]
/linux/tools/perf/pmu-events/arch/x86/tigerlake/
H A Dfloating-point.json12 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
16 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
21 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
25 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
30 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
34 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
39 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
43 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
48 …-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52 …-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/rocketlake/
H A Dfloating-point.json12 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
16 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
21 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
25 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
30 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
34 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
39 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
43 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
48 …-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52 …-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/icelakex/
H A Dfloating-point.json12 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
16 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
21 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
25 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
30 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
34 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
39 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
43 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
48 …-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52 …-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/icelake/
H A Dfloating-point.json12 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
16 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
21 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
25 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
30 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
34 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
39 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
43 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
48 …-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52 …-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
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/linux/drivers/media/pci/bt8xx/
H A Dbttv-gpio.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 bttv-gpio.c -- gpio sub drivers
6 sysfs-based sub driver interface for bttv
10 Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
11 & Marcus Metzler (mocm@thp.uni-koeln.de)
12 (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
28 /* ----------------------------------------------------------------------- */
33 const struct bttv_sub_driver *sub = to_bttv_sub_drv(drv); in bttv_sub_bus_match() local
34 int len = strlen(sub->wanted); in bttv_sub_bus_match()
36 if (0 == strncmp(dev_name(dev), sub->wanted, len)) in bttv_sub_bus_match()
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