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/linux/include/uapi/linux/
H A Datmsap.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* atmsap.h - ATM Service Access Point addressing definitions */
4 /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
25 #define ATM_L2_Q291 0x02 /* ITU-T Q.291 (Rec. I.441) */
26 #define ATM_L2_X25_LL 0x06 /* ITU-T X.25, link layer */
27 #define ATM_L2_X25_ML 0x07 /* ITU-T X.25, multilink */
28 #define ATM_L2_LAPB 0x08 /* Extended LAPB, half-duplex (Rec. T.71) */
33 #define ATM_L2_X75 0x0d /* ITU-T X.75, SLP */
34 #define ATM_L2_Q922 0x0e /* ITU-T Q.922 */
35 #define ATM_L2_USER 0x10 /* user-specified */
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H A Ddpll.h1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /* Do not edit directly, auto-generated from: */
4 /* YNL-GEN uapi header */
13 * enum dpll_mode - workin
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/linux/drivers/media/platform/allegro-dvt/
H A Dnal-h264.h1 /* SPDX-License-Identifier: GPL-2.0 */
14 #include <linux/v4l2-controls.h>
18 * struct nal_h264_hrd_parameters - HRD parameters
21 * Rec. ITU-T H.264 (04/2017) E.1.2 HRD parameters syntax.
39 * struct nal_h264_vui_parameters - VUI parameters
41 * C struct representation of the VUI parameters as defined by Rec. ITU-T
94 * struct nal_h264_sps - Sequence parameter set
97 * Rec. ITU-T H.264 (04/2017) 7.3.2.1.1 Sequence parameter set data syntax.
149 * struct nal_h264_pps - Picture parameter set
152 * Rec. ITU-T H.264 (04/2017) 7.3.2.2 Picture parameter set RBSP syntax.
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H A Dnal-hevc.h1 /* SPDX-License-Identifier: GPL-2.0 */
14 #include <linux/v4l2-controls.h>
60 * struct nal_hevc_vps - Video parameter set
63 * Rec. ITU-T H.265 (02/2018) 7.3.2.1 Video parameter set RBSP syntax
136 * struct nal_hevc_vui_parameters - VUI parameters
138 * C struct representation of the VUI parameters as defined by Rec. ITU-T
199 * struct nal_hevc_sps - Sequence parameter set
202 * Rec. ITU-T H.265 (02/2018) 7.3.2.2 Sequence parameter set RBSP syntax
325 * nal_hevc_profile() - Get profile_idc for v4l2 hevc profile
329 * in Rec. ITU-T H.265 (02/2018) A.3.
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H A Dnal-h264.c1 // SPDX-License-Identifier: GPL-2.0
7 * The conversion is defined in "ITU-T Rec. H.264 (04/2017) Advanced video
18 #include <linux/v4l2-controls.h>
24 #include "nal-h264.h"
25 #include "nal-rbsp.h"
28 * See Rec. ITU-T H.264 (04/2017) Table 7-1 - NAL unit type codes, syntax
39 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_h264_write_start_code_prefix()
42 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) { in nal_h264_write_start_code_prefix()
43 rbsp->error = -EINVAL; in nal_h264_write_start_code_prefix()
52 rbsp->pos += i * 8; in nal_h264_write_start_code_prefix()
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H A Dnal-hevc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2019-2020 Pengutronix, Michael Tretter <kernel@pengutronix.de>
7 * The conversion is defined in "ITU-T Rec. H.265 (02/2018) high efficiency
18 #include <linux/v4l2-controls.h>
24 #include "nal-hevc.h"
25 #include "nal-rbsp.h"
28 * See Rec. ITU-T H.265 (02/2018) Table 7-1 - NAL unit type codes and NAL unit
40 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_hevc_write_start_code_prefix()
43 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) { in nal_hevc_write_start_code_prefix()
44 rbsp->error = -EINVAL; in nal_hevc_write_start_code_prefix()
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/linux/include/linux/
H A Dcrc-itu-t.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * crc-itu-t.h - CRC ITU-T V.41 routine
5 * Implements the standard CRC ITU-T V.41:
/linux/lib/crc/
H A Dcrc-itu-t.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * crc-itu-t.c
6 #include <linux/crc-itu-t.h>
11 /* CRC table for the CRC ITU-T V.41 0x1021 (x^16 + x^12 + x^5 + 1) */
50 * crc_itu_t - Compute the CRC-ITU-T for the data buffer
60 while (len--) in crc_itu_t()
66 MODULE_DESCRIPTION("CRC ITU-T V.41 calculations");
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
32 The CRC-CCITT library functions. Select this if your module uses any
33 of the functions from <linux/crc-ccitt.h>.
38 The CRC-ITU-T library functions. Select this if your module uses
39 any of the functions from <linux/crc-itu-t.h>.
44 The CRC-T10DIF library functions. Select this if your module uses
45 any of the functions from <linux/crc-t10dif.h>.
94 architecture-optimized implementations of any CRC variants that are
112 This is intended to help people writing architecture-specific
H A DMakefile1 # SPDX-License-Identifier: GPL-2.0-only
5 obj-$(CONFIG_CRC4) += crc4.o
6 obj-$(CONFIG_CRC7) += crc7.o
7 obj-$(CONFIG_CRC8) += crc8.o
8 obj-$(CONFIG_CRC16) += crc16.o
9 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
10 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
12 obj-$(CONFIG_CRC_T10DIF) += crc-t10dif.o
13 crc-t10dif-y := crc-t10dif-main.o
15 CFLAGS_crc-t10dif-main.o += -I$(src)/$(SRCARCH)
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/linux/include/uapi/linux/hdlc/
H A Dioctl.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
9 #define CLOCK_EXT 1 /* External TX and RX clock - DTE */
10 #define CLOCK_INT 2 /* Internal TX and RX clock - DCE */
27 #define PARITY_CRC16_PR0_CCITT 4 /* CRC16, initial 0x0000, ITU-T version */
28 #define PARITY_CRC16_PR1_CCITT 5 /* CRC16, initial 0xFFFF, ITU-T version */
35 #define LMI_CCITT 3 /* ITU-T Annex A */
42 unsigned int clock_type; /* internal, external, TX-internal etc. */
48 unsigned int clock_type; /* internal, external, TX-internal etc. */
91 /* PPP doesn't need any info now - supply length = 0 to ioctl */
/linux/drivers/staging/vc04_services/vchiq-mmal/
H A Dmmal-encodings.h1 /* SPDX-License-Identifier: GPL-2.0 */
28 #define MMAL_ENCODING_THEORA MMAL_FOURCC('T', 'H', 'E', 'O')
36 #define MMAL_ENCODING_TGA MMAL_FOURCC('T', 'G', 'A', ' ')
62 * This format is *not* opaque - if requested you will receive full frames
78 /** \name Pre-defined audio encodings */
87 /* Pre-defined H264 encoding variants */
89 /** ISO 14496-10 Annex B byte stream format */
91 /** ISO 14496-15 AVC stream format */
96 /** \defgroup MmalColorSpace List of pre-defined video color spaces
97 * This defines a list of common color spaces. This list isn't exhaustive and
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/linux/include/media/
H A Dv4l2-jpeg.h1 /* SPDX-License-Identifier: GPL-2.0-only */
7 * For reference, see JPEG ITU-T.81 (ISO/IEC 10918-1)
13 #include <linux/v4l2-controls.h>
35 /* Length of reference huffman tables as provided in Table K.3 of ITU
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/linux/Documentation/networking/
H A Dgeneric-hdlc.rst1 .. SPDX-License-Identifier: GPL-2.0
14 - Normal (routed) and Ethernet-bridged (Ethernet device emulation)
16 - ARP support (no InARP support in the kernel - there is an
17 experimental InARP user-space daemon available on:
20 2. raw HDLC - either IP (IPv4) interface or Ethernet device emulation
25 Generic HDLC is a protocol driver only - it needs a low-level driver
28 Ethernet device emulation (using HDLC or Frame-Relay PVC) is compatible
40 gcc -O2 -Wall -o sethdlc sethdlc.c
66 - sets physical interface for a given port
67 if the card has software-selectable interfaces
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/linux/Documentation/networking/device_drivers/atm/
H A Dcxacru.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Note: support for cxacru-cf.bin has been removed. It was not loaded correctly
17 There is a script cxacru-cf.py to convert an existing file to the sysfs form.
29 - Information about the remote headend.
33 - Configuration writing interface.
34 - Write parameters in hexadecimal format <index>=<value>,
39 - Up to 7 parameters at a time will be sent and the modem will restart
48 - Downstream stats.
56 - Upstream stats.
65 - Error counts.
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/linux/drivers/net/wireless/broadcom/brcm80211/brcmsmac/
H A Dphy_shim.h30 #define RADAR_TYPE_ITU_E 4 /* ITU E Radar type */
31 #define RADAR_TYPE_ITU_K 5 /* ITU K Radar type */
34 #define RADAR_TYPE_STG2 8 /* staggered-2 radar */
35 #define RADAR_TYPE_STG3 9 /* staggered-3 radar */
136 void wlapi_free_timer(struct wlapi_timer *t);
137 void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic);
138 bool wlapi_del_timer(struct wlapi_timer *t);
/linux/Documentation/driver-api/
H A Dptp.rst1 .. SPDX-License-Identifier: GPL-2.0
18 - Set time
19 - Get time
20 - Shift the clock by a given offset atomically
21 - Adjust clock frequency
24 - Time stamp external events
25 - Period output signals configurable from user space
26 - Low Pass Filter (LPF) access from user space
27 - Synchronization of the Linux system time via the PPS subsystem
65 ancillary feature, then the driver should just return -EOPNOTSUPP
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/linux/Documentation/userspace-api/media/v4l/
H A Ddev-raw-vbi.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _raw-vbi:
106 .. flat-table:: struct v4l2_vbi_format
107 :header-rows: 0
108 :stub-columns: 0
111 * - __u32
112 - ``sampling_rate``
113 - Samples per second, i. e. unit 1 Hz.
114 * - __u32
115 - ``offset``
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/linux/Documentation/userspace-api/media/dvb/
H A Dlegacy_dvb_decoder_api.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
15 the :ref:`legacy_dvb_decoder_formats` used in such digital TV-broadcastsystems.
40 Because of that fact the only supported data formats are ISO/IEC 13818-1
44 Timestamps are always MPEG PTS as defined in ITU T-REC-H.222.0 /
45 ISO/IEC 13818-1, if not otherwise noted.
/linux/drivers/media/dvb-frontends/drx39xyj/
H A Ddrx_driver.h2 Copyright (c), 2004-2005,2007-2010 Trident Microsystems, Inc.
59 /*------------------------------------------------------------------------------
61 ------------------------------------------------------------------------------*/
68 * \retval -EIO Initialization failed.
77 * \retval -EIO Termination failed.
97 * \retval -EIO Failure.
98 * \retval -EINVAL Parameter 'wcount' is not zero but parameter
132 #define TUNER_MODE_SUB0 0x0001 /* for sub-mode (e.g. RF-AGC setting) */
133 #define TUNER_MODE_SUB1 0x0002 /* for sub-mode (e.g. RF-AGC setting) */
134 #define TUNER_MODE_SUB2 0x0004 /* for sub-mode (e.g. RF-AGC setting) */
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/linux/include/uapi/linux/dvb/
H A Dfrontend.h1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
18 * enum fe_caps - Frontend capabilities
21 * frontend, and it can't report its
23 * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral
33 * @FE_CAN_FEC_AUTO: Can auto-detect FEC
35 * @FE_CAN_QAM_16: Supports 16-QAM modulation
36 * @FE_CAN_QAM_32: Supports 32-QAM modulation
37 * @FE_CAN_QAM_64: Supports 64-QAM modulation
38 * @FE_CAN_QAM_128: Supports 128-QAM modulation
39 * @FE_CAN_QAM_256: Supports 256-QAM modulation
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H A Dvideo.h1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
3 * video.h - DEPRECATED MPEG-TS video decoder API
86 -1 specifies backward single stepping,
88 <-1: reverse playback at (-speed/1000) of the normal speed. */
100 the Vsync is for an odd, even or progressive (i.e. non-interlaced)
140 /* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */
141 /* 13-12 TV system (0=525/60, 1=625/50) */
142 /* 11-10 Aspect ratio (0=4:3, 3=16:9) */
143 /* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */
144 /* 7 line 21-1 data present in GOP (1=yes, 0=no) */
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/linux/net/nfc/
H A Ddigital.h1 /* SPDX-License-Identifier: GPL-2.0-only */
13 #include <linux/crc-ccitt.h>
14 #include <linux/crc-itu-t.h>
36 ((ddev)->driver_capabilities & NFC_DIGITAL_DRV_CAPS_IN_CRC)
38 ((ddev)->driver_capabilities & NFC_DIGITAL_DRV_CAPS_TG_CRC)
/linux/Documentation/translations/zh_CN/core-api/
H A Dkernel-api.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/core-api/kernel-api.rst
10 .. _cn_kernel-api.rst:
32 ----------
47 ----------
51 include/linux/fortify-string.h
65 ------
69 include/asm-generic/bitops/instrumented-atomic.h
71 include/asm-generic/bitops/instrumented-non-atomic.h
73 include/asm-generic/bitops/instrumented-lock.h
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/linux/Documentation/admin-guide/media/
H A Dfimc.rst1 .. SPDX-License-Identifier: GPL-2.0
8 Copyright |copy| 2012 - 2013 Samsung Electronics Co., Ltd.
17 drivers/media/platform/samsung/exynos4-is directory.
20 --------------
22 S5PC100 (mem-to-mem only), S5PV210, Exynos4210
25 ------------------
27 - camera parallel interface capture (ITU-R.BT601/565);
28 - camera serial interface capture (MIPI-CSI2);
29 - memory-to-memory processing (color space conversion, scaling, mirror
31 - dynamic pipeline re-configuration at runtime (re-attachment of any FIMC
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