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/Linux-v6.6/Documentation/userspace-api/media/drivers/
Daspeed-video.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ASPEED Video Engine found on AST2400/2500/2600 SoC supports high performance
9 video compressions with a wide range of video quality and compression ratio
15 * ASPEED proprietary mode: for multi-frame and differential compression.
16 Support 2-pass (high quality) video compression scheme (Patent pending by
17 ASPEED). Provide visually lossless video compression quality or to reduce
26 `github <https://github.com/AspeedTech-BMC/openbmc/releases/>`__.
28 The ASPEED video driver implements the following driver-specific control:
31 ---------------------------
32 Enable/Disable ASPEED's High quality mode. This is a private control
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/Linux-v6.6/Documentation/userspace-api/media/v4l/
Dvidioc-g-parm.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_PARM - VIDIOC_S_PARM - Get or set streaming parameters
63 .. flat-table:: struct v4l2_streamparm
64 :header-rows: 0
65 :stub-columns: 0
68 * - __u32
69 - ``type``
70 - The buffer (stream) type, same as struct
73 * - union {
74 - ``parm``
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Dext-ctrls-codec.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _codec-controls:
24 .. _mpeg-control-id:
27 -----------------
35 .. _v4l2-mpeg-stream-type:
40 enum v4l2_mpeg_stream_type -
41 The MPEG-1, -2 or -4 output stream type. One cannot assume anything
48 .. flat-table::
49 :header-rows: 0
50 :stub-columns: 0
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Dstreaming-par.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _streaming-par:
11 as well as I/O. Presently applications can request a high quality
/Linux-v6.6/Documentation/admin-guide/media/
Dsi476x.rst1 .. SPDX-License-Identifier: GPL-2.0
12 -------------------
14 - According to the SiLabs' datasheet it is possible to update the
15 firmware of the radio chip in the run-time, thus bringing it to the
23 -------------------------------
31 * /sys/kernel/debug/<device-name>/acf
52 0x05 smute 0 - Audio is not soft muted
53 1 - Audio is soft muted
60 0x10 pilot 0 - Stereo pilot is not present
61 1 - Stereo pilot is present
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/Linux-v6.6/drivers/gpu/drm/sti/
DNOTES2 ---------------------------
4 - The High Quality Video Display Processor (HQVDP) gets video frames from a
5 video decoder and does high quality video processing, including scaling.
7 - The Compositor is a multiplane, dual-mixer (Main & Aux) digital processor. It
9 - The graphics planes are internally processed by the Generic Display
11 - The video plug (VID) connects to the HQVDP output.
12 - The cursor handles ... a cursor.
13 - The TV OUT pre-formats (convert, clip, round) the compositor output data
14 - The HDMI / DVO / HD Analog / SD analog IP builds the video signals
15 - DVO (Digital Video Output) handles a 24bits parallel signal
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/Linux-v6.6/include/uapi/sound/
Dcompress_params.h1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) AND MIT) */
3 * compress_params.h - codec types and parameters for compressed data
7 * Authors: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
16 * Copyright (c) 2007-2010 The Khronos Group Inc.
147 * Define quality levels for FLAC encoders, from LEVEL0 (fast)
165 /* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */
214 __u32 super_block_align; /* WMA Type-specific data */
219 * struct snd_enc_vorbis - Vorbis encoder parameters
220 * @quality: Sets encoding quality to n, between -1 (low) and 10 (high).
221 * In the default mode of operation, the quality level is 3.
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/Linux-v6.6/Documentation/devicetree/bindings/mfd/
Dtwl6040.txt3 The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
9 - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
10 - reg: must be 0x4b for i2c address
11 - interrupts: twl6040 has one interrupt line connecteded to the main SoC
12 - gpio-controller:
13 - #gpio-cells = <1>: twl6040 provides GPO lines.
14 - #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM
15 - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
17 - vio-supply: Regulator for the twl6040 VIO supply
18 - v2v1-supply: Regulator for the twl6040 V2V1 supply
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/Linux-v6.6/Documentation/networking/
Dtcp-thin.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Thin-streams and TCP
7 A wide range of Internet-based services that use reliable transport
8 protocols display what we call thin-stream properties. This means
11 effective. In time-dependent scenarios (like online games, control
14 the service quality. Extreme latencies are caused by TCP's
19 After analysing a large number of time-dependent interactive
22 lifespan. The combination of time-dependency and the fact that the
23 streams provoke high latencies when using TCP is unfortunate.
25 In order to reduce application-layer latency when packets are lost,
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/Linux-v6.6/lib/fonts/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 bool "Select compiled-in fonts"
29 This is the "high resolution" font for the VGA frame buffer (the one
32 Note that this is a poor quality font. The VGA 8x16 font is quite a
42 This is the "high resolution" font for the VGA frame buffer (the one
52 Small console font with Macintosh-style high-half glyphs. Some Mac
68 Small console font with PC-style control-character and high-half
76 Small console font with PC-style control characters and high-half
84 bool "Medium-size 6x10 font"
87 Medium-size console font. Suitable for framebuffer consoles on
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/Linux-v6.6/include/linux/mfd/
Dsi476x-reports.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * include/media/si476x-platform.h -- Definitions of the data formats
15 * struct si476x_rsq_status - structure containing received signal
16 * quality
17 * @multhint: Multipath Detect High.
18 * true - Indicatedes that the value is below
20 * false - Indicatedes that the value is above
23 * true - Indicatedes that the value is below
25 * false - Indicatedes that the value is above
27 * @snrhint: SNR Detect High.
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/Linux-v6.6/Documentation/devicetree/bindings/media/i2c/
Dtvp514x.txt3 The TVP5146/TVP5146m2/TVP5147/TVP5147m1 device is high quality, single-chip
5 video formats into digital video component. The tvp514x decoder supports analog-
6 to-digital (A/D) conversion of component RGB and YPbPr signals as well as A/D
7 conversion and decoding of NTSC, PAL and SECAM composite and S-video into
11 - compatible : value should be either one among the following
17 - hsync-active: HSYNC Polarity configuration for endpoint.
19 - vsync-active: VSYNC Polarity configuration for endpoint.
21 - pclk-sample: Clock polarity of the endpoint.
24 media/video-interfaces.txt.
37 hsync-active = <1>;
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/Linux-v6.6/Documentation/devicetree/bindings/display/bridge/
Dite,it6505.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Allen Chen <allen.chen@ite.com.tw>
13 The IT6505 is a high-performance DisplayPort 1.1a transmitter,
16 and ensures robust transmission of high-quality uncompressed video
27 transmission of high-definition content. Users of the IT6505 need not
37 ovdd-supply:
40 pwr18-supply:
47 reset-gpios:
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/Linux-v6.6/Documentation/devicetree/bindings/phy/
Dfsl,mxs-usbphy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/fsl,mxs-usbphy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Xu Yang <xu.yang_2@nxp.com>
15 - enum:
16 - fsl,imx23-usbphy
17 - fsl,imx7ulp-usbphy
18 - fsl,vf610-usbphy
19 - items:
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/Linux-v6.6/Documentation/driver-api/media/drivers/
Dzoran.rst1 .. SPDX-License-Identifier: GPL-2.0
8 website: http://mjpeg.sourceforge.net/driver-zoran/
12 --------------------------
15 ------------------------
28 Drivers to use: videodev, i2c-core, i2c-algo-bit,
31 Inputs/outputs: Composite and S-video
45 Drivers to use: videodev, i2c-core, i2c-algo-bit,
49 Six physical inputs. 1-6 are composite,
50 1-2, 3-4, 5-6 doubles as S-video,
51 1-3 triples as component.
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/Linux-v6.6/Documentation/mm/damon/
Ddesign.rst1 .. SPDX-License-Identifier: GPL-2.0
13 - Operations Set: Implements fundamental operations for DAMON that depends on
14 the given monitoring target address-space and available set of
16 - Core: Implements core logics including monitoring overhead/accurach control
17 and access-aware system operations on top of the operations set layer, and
18 - Modules: Implements kernel modules for various purposes that provides
23 ---------------------------
45 --------------------
66 VMA-based Target Address Range Construction
67 -------------------------------------------
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/Linux-v6.6/include/uapi/linux/
Dwireless.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
7 * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
8 * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
16 * Initial APIs (1996 -> onward) :
17 * -----------------------------
44 * New driver API (2002 -> onward) :
45 * -------------------------------
53 * Wireless Events (2002 -> onward) :
54 * --------------------------------
59 * --------------
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/Linux-v6.6/drivers/net/wireless/intel/iwlwifi/fw/api/
Drs.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
12 * enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags
36 * enum iwl_tlc_mng_cfg_cw - channel width options
52 * enum iwl_tlc_mng_cfg_chains - possible chains
62 * enum iwl_tlc_mng_cfg_mode - supported modes
82 * enum iwl_tlc_mng_ht_rates - HT/VHT/HE rates
120 * enum IWL_TLC_MCS_PER_BW - mcs index per BW
121 * @IWL_TLC_MCS_PER_BW_80: mcs for bw - 20Hhz, 40Hhz, 80Hhz
122 * @IWL_TLC_MCS_PER_BW_160: mcs for bw - 160Mhz
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/Linux-v6.6/drivers/media/platform/samsung/s5p-jpeg/
Djpeg-core.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* linux/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.h
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-fh.h>
17 #include <media/v4l2-ctrls.h>
19 #define S5P_JPEG_M2M_NAME "s5p-jpeg"
23 /* JPEG compression quality setting */
53 #define S5P_JPEG_DISABLE -1
83 QUALITY_LEVEL_1 = 0, /* high */
95 * struct s5p_jpeg - JPEG IP abstraction
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/Linux-v6.6/Documentation/driver-api/
Di2c.rst5 the "Inter-IC" bus, a simple bus protocol which is widely used where low
7 some vendors use another name (such as "Two-Wire Interface", TWI) for
9 conserving board real estate and minimizing signal quality issues. Most
11 there's a high speed extension (3.4 MHz) that's not yet found wide use.
12 I2C is a multi-master bus; open drain signaling is used to arbitrate
38 .. kernel-doc:: include/linux/i2c.h
41 .. kernel-doc:: drivers/i2c/i2c-boardinfo.c
44 .. kernel-doc:: drivers/i2c/i2c-core-base.c
47 .. kernel-doc:: drivers/i2c/i2c-core-smbus.c
/Linux-v6.6/Documentation/admin-guide/mm/damon/
Dreclaim.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based Reclamation
7 DAMON-based Reclamation (DAMON_RECLAIM) is a static kernel module that aimed to
9 It doesn't aim to replace the LRU-list based page_granularity reclamation, but
15 On general memory over-committed systems, proactively reclaiming cold pages
20 Free Pages Reporting [3]_ based memory over-commit virtualization systems are
24 guests could be not so memory-frugal, mainly because some kernel subsystems and
25 user-space applications are designed to use as much memory as available. Then,
54 -------
60 no real monitoring and reclamation due to the watermarks-based activation
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Dlru_sort.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based LRU-lists Sorting
7 DAMON-based LRU-lists Sorting (DAMON_LRU_SORT) is a static kernel module that
9 (de)prioritization of pages on their LRU-lists for making LRU-lists a more
12 Where Proactive LRU-lists Sorting is Required?
15 As page-granularity access checking overhead could be significant on huge
23 Because DAMON can identify access patterns of best-effort accuracy while
24 inducing only user-specified range of overhead, proactively running
32 rates that higher than a user-specified threshold) and cold pages (pages of
34 user-specified threshold) using DAMON, and prioritizes hot pages while
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/Linux-v6.6/arch/m68k/amiga/
Damisound.c22 0, -39, -75, -103, -121, -127, -121, -103, -75, -39
33 volatile unsigned short amiga_audio_min_period = 124; /* Default for pre-OCS */
62 /* without amifb, turn video off and enable high quality sound */ in amiga_init_sound()
/Linux-v6.6/tools/power/x86/x86_energy_perf_policy/
Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
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/Linux-v6.6/sound/soc/fsl/
Dfsl_micfil.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
19 #include <linux/dma/imx-dma.h>
31 enum quality { enum
54 enum quality quality; member
100 { .compatible = "fsl,imx8mm-micfil", .data = &fsl_micfil_imx8mm },
101 { .compatible = "fsl,imx8mp-micfil", .data = &fsl_micfil_imx8mp },
102 { .compatible = "fsl,imx93-micfil", .data = &fsl_micfil_imx93 },
108 [QUALITY_HIGH] = "High",
126 switch (micfil->quality) { in micfil_set_quality()
147 return regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL2, in micfil_set_quality()
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