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/Linux-v6.6/Documentation/admin-guide/
Dsvga.rst4 Video Mode Selection Support 2.13
7 :Copyright: |copy| 1995--1999 Martin Mares, <mj@ucw.cz>
12 This small document describes the "Video Mode Selection" feature which
21 enter ``scan`` on the video mode prompt, pick the mode you want to use,
22 remember its mode ID (the four-digit hexadecimal number) and then
25 The video mode to be used is selected by a kernel parameter which can be
28 (present in standard Linux utility packages). You can use the following values
31 NORMAL_VGA - Standard 80x25 mode available on all display adapters.
33 EXTENDED_VGA - Standard 8-pixel font mode: 80x43 on EGA, 80x50 on VGA.
35 ASK_VGA - Display a video mode menu upon startup (see below).
[all …]
/Linux-v6.6/Documentation/ABI/testing/
Dsysfs-driver-typec-displayport18 Note. USB configuration does not equal to Exit Mode. It is
19 separate configuration defined in VESA DisplayPort Alt Mode on
20 USB Type-C Standard. Functionally it equals to the situation
21 where the mode has been exited (to exit the mode, see
22 Documentation/ABI/testing/sysfs-bus-typec, and use file
29 VESA DisplayPort Alt Mode on USB Type-C Standard defines six
30 different pin assignments for USB Type-C connector that are
44 Note. As of VESA DisplayPort Alt Mode on USB Type-C Standard
55 VESA DisplayPort Alt Mode on USB Type-C Standard defines how
56 HotPlugDetect(HPD) shall be supported on the USB-C connector when
[all …]
/Linux-v6.6/Documentation/networking/
Dplip.rst1 .. SPDX-License-Identifier: GPL-2.0
14 -----------------
17 This device interface allows a point-to-point connection between two
25 printer port. PLIP is a non-standard, but [can use] uses the standard
26 LapLink null-printer cable [can also work in turbo mode, with a PLIP
52 an existing Ethernet. Isn't standard (not even de facto standard, like
62 -------------------
77 On these machines, the PLIP driver can be used in IRQ-less mode, where
79 and if such data is available, process it. This mode is less efficient than
80 the IRQ mode, because the driver has to check the parallel port many times
[all …]
Dphy.rst16 standard layout for the registers, it has been common practice to integrate
26 #. Increase code-reuse
27 #. Increase overall code-maintainability
67 for one of the users. (e.g. "git grep fsl,.*-mdio arch/powerpc/boot/dts/")
72 The Reduced Gigabit Medium Independent Interface (RGMII) is a 12-pin
84 or the PCB traces insert the correct 1.5-2ns delay
97 * PHY devices may offer sub-nanosecond granularity in how they allow a
114 MAC driver looks at the phy_interface_t value, for any other mode but
115 PHY_INTERFACE_MODE_RGMII, it should make sure that the MAC-level delays are
119 required delays, as defined per the RGMII standard, several options may be
[all …]
/Linux-v6.6/Documentation/devicetree/bindings/riscv/
Dextensions.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V ISA extensions
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
12 - Conor Dooley <conor@kernel.org>
15 RISC-V has a large number of extensions, some of which are "standard"
16 extensions, meaning they are ratified by RISC-V International, and others
21 Once a standard extension has been ratified, no changes in behaviour can be
[all …]
/Linux-v6.6/Documentation/fb/
Dmodedb.rst2 modedb default video mode support
6 Currently all frame buffer device drivers have their own video mode databases,
9 - one routine to probe for video modes, which can be used by all frame buffer
11 - one generic video mode database with a fair amount of standard videomodes
13 - the possibility to supply your own mode database for graphics hardware that
14 needs non-standard modes, like amifb and Mac frame buffer drivers (which
18 consider that to be a video mode option. If no frame buffer device is specified
19 in a video= option, fbmem considers that to be a global video mode option.
21 Valid mode specifiers (mode_option argument)::
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
[all …]
Duvesafb.rst2 uvesafb - A Generic Driver for VBE2+ compliant video cards
6 ---------------
9 with the VBE 2.0 standard.
30 --------------------------
36 - Lack of any type of acceleration.
37 - A strict and limited set of supported video modes. Often the native
40 video mode you want to use. This can be especially painful with
42 ratio, which is what most BIOS-es are limited to.
43 - Adjusting the refresh rate is only possible with a VBE 3.0 compliant
44 Video BIOS. Note that many nVidia Video BIOS-es claim to be VBE 3.0
[all …]
Dudlfb.rst15 pixels line-by-line via USB bulk transfers.
18 does not require any acks - the effect is very low latency that
20 non-gaming and non-video applications.
22 Mode setting, EDID read, etc are other bulk or control transfers. Mode
23 setting is very flexible - able to set nearly arbitrary modes from any timing.
35 one-to-one with the fbdev interface, making the driver quite small and
37 * X servers and other applications can use the standard fbdev interface
38 from user mode to talk to the device, without needing to know anything
48 In the future, hopefully fbdev will be enhanced with an small standard
60 of the monitor, and set the best common mode between the DisplayLink device
[all …]
/Linux-v6.6/drivers/net/arcnet/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
25 tristate "Enable standard ARCNet packet format (RFC 1201)"
29 industry-standard RFC1201 implementations, like the arcether.com
39 software complying with the "old" standard, specifically, the DOS
42 industry-standard RFC1201 implementations, like the arcether.com
49 tristate "Enable raw mode packet interface"
51 ARCnet "raw mode" packet encapsulation, no soft headers. Unlikely
56 tristate "Enable CAP mode packet interface"
58 ARCnet "cap mode" packet encapsulation. Used to get the hardware
71 Cap only listens to protocol 1-8.
[all …]
/Linux-v6.6/include/media/
Dtuner-types.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 * enum param_type - type of the tuner pameters
13 * @TUNER_PARAM_TYPE_PAL: Tuner params are for PAL color TV standard
14 * @TUNER_PARAM_TYPE_SECAM: Tuner params are for SECAM color TV standard
15 * @TUNER_PARAM_TYPE_NTSC: Tuner params are for NTSC color TV standard
27 * struct tuner_range - define the frequencies supported by the tuner
32 * @config: Value of the band switch byte (BB) to setup this mode.
33 * @cb: Value of the CB byte to setup this mode.
54 * struct tuner_params - Parameters to be used to setup the tuner. Those
55 * are used by drivers/media/tuners/tuner-types.c in
[all …]
/Linux-v6.6/include/linux/
Dwait_bit.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Linux wait-bit related types and methods:
24 typedef int wait_bit_action_f(struct wait_bit_key *key, int mode);
27 …ad *wq_head, struct wait_bit_queue_entry *wbq_entry, wait_bit_action_f *action, unsigned int mode);
28 …ad *wq_head, struct wait_bit_queue_entry *wbq_entry, wait_bit_action_f *action, unsigned int mode);
30 int out_of_line_wait_on_bit(void *word, int, wait_bit_action_f *action, unsigned int mode);
31 int out_of_line_wait_on_bit_timeout(void *word, int, wait_bit_action_f *action, unsigned int mode, …
32 int out_of_line_wait_on_bit_lock(void *word, int, wait_bit_action_f *action, unsigned int mode);
36 int wake_bit_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key);
49 extern int bit_wait(struct wait_bit_key *key, int mode);
[all …]
/Linux-v6.6/sound/drivers/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
50 tristate "PC-Speaker support (READ HELP!)"
60 You can compile this as a module which will be called snd-pcsp.
65 pc-speaker a default sound device. Which is likely not
69 options snd-pcsp index=2
71 You don't need this driver if you only want your pc-speaker to beep.
90 will be called snd-dummy.
99 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the playback PCM device and second
106 timing source using the time shift universal control (+-20%
[all …]
/Linux-v6.6/Documentation/userspace-api/media/v4l/
Dvidioc-g-tuner.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_TUNER - VIDIOC_S_TUNER - Get or set tuner attributes
46 Tuners have two writable properties, the audio mode and the radio
47 frequency. To change the audio mode, applications initialize the
51 different audio mode if the requested mode is invalid or unsupported.
52 Since this is a write-only ioctl, it does not return the actually
53 selected audio mode.
68 .. flat-table:: struct v4l2_tuner
69 :header-rows: 0
70 :stub-columns: 0
[all …]
Dext-ctrls-dv.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _dv-controls:
15 only exposed on the ``/dev/v4l-subdev*`` device node.
23 Identification Data, :ref:`vesaedid`) and HDCP (High-bandwidth Digital
33 .. _dv-control-id:
47 read-only control is applicable to DVI-D, HDMI and DisplayPort
51 Rx Sense is the detection of pull-ups on the TMDS clock lines. This
56 that pad will be 0. This read-only control is applicable to DVI-D
64 EDIDs, then the bit for that pad will be 0. This read-only control
65 is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors.
[all …]
Dmetafmt-d4xx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-meta-fmt-d4xx:
15 Intel D4xx (D435, D455 and others) cameras include per-frame metadata in their UVC
17 means, that the private D4XX metadata, following the standard UVC header, is
18 organised in blocks. D4XX cameras implement several standard block types,
19 proposed by Microsoft, and several proprietary ones. Supported standard metadata
37 .. flat-table:: D4xx metadata
39 :header-rows: 1
40 :stub-columns: 0
42 * - **Field**
[all …]
/Linux-v6.6/drivers/media/dvb-frontends/drx39xyj/
Ddrx_driver.h2 Copyright (c), 2004-2005,2007-2010 Trident Microsystems, Inc.
60 /*------------------------------------------------------------------------------
62 ------------------------------------------------------------------------------*/
69 * \retval -EIO Initialization failed.
78 * \retval -EIO Termination failed.
98 * \retval -EIO Failure.
99 * \retval -EINVAL Parameter 'wcount' is not zero but parameter
133 #define TUNER_MODE_SUB0 0x0001 /* for sub-mode (e.g. RF-AGC setting) */
134 #define TUNER_MODE_SUB1 0x0002 /* for sub-mode (e.g. RF-AGC setting) */
135 #define TUNER_MODE_SUB2 0x0004 /* for sub-mode (e.g. RF-AGC setting) */
[all …]
/Linux-v6.6/Documentation/sound/cards/
Dhdspm.rst2 Software Interface ALSA-DSP MADI Driver
5 (translated from German, so no good English ;-),
7 2004 - winfried ritsch
11 the Controls and startup-options are ALSA-Standard and only the
19 ------------------
21 * number of channels -- depends on transmission mode
29 * Single Speed -- 1..64 channels
32 (Note: Choosing the 56channel mode for transmission or as
37 * Double Speed -- 1..32 channels
40 Note: Choosing the 56-channel mode for
[all …]
/Linux-v6.6/drivers/dma/
Dste_dma40_ll.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) ST-Ericsson SA 2007-2010
4 * Author: Per Friden <per.friden@stericsson.com> for ST-Ericsson SA
5 * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson SA
20 #define D40_PHYS_TO_GROUP(phys) ((phys & (D40_GROUP_SIZE - 1)) / 2)
22 /* Most bits of the CFG register are the same in log as in phy mode */
38 /* Standard channel parameters - basic mode (element register) */
44 /* Standard channel parameters - basic mode (Link register) */
50 * 29-bit byte word aligned address of the reload area.
54 /* Standard basic channel logical mode */
[all …]
/Linux-v6.6/Documentation/devicetree/bindings/display/panel/
Dpanel-mipi-dbi-spi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-mipi-dbi-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Noralf Trønnes <noralf@tronnes.org>
14 in SPI mode.
16 The MIPI Alliance Standard for Display Bus Interface defines the electrical
18 phones. The standard defines 4 display architecture types and this binding is
20 standard and type C is the serial interface.
22 The standard defines the following interface signals for type C:
[all …]
/Linux-v6.6/crypto/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
170 bool "Disable run-time self tests"
173 Disable run-time self tests that normally take place at
177 bool "Enable extra run-time crypto self tests"
180 Enable extra run-time self tests of registered crypto algorithms,
226 Authenc: Combined mode wrapper for IPsec.
246 menu "Public-key cryptography"
249 tristate "RSA (Rivest-Shamir-Adleman)"
255 RSA (Rivest-Shamir-Adleman) public key algorithm (RFC8017)
258 tristate "DH (Diffie-Hellman)"
[all …]
/Linux-v6.6/Documentation/userspace-api/media/drivers/
Daspeed-video.rst1 .. SPDX-License-Identifier: GPL-2.0
14 * JPEG JFIF standard mode: for single frame and management compression
15 * ASPEED proprietary mode: for multi-frame and differential compression.
16 Support 2-pass (high quality) video compression scheme (Patent pending by
21 stands for JPEG JFIF standard mode; V4L2_PIX_FMT_AJPG stands for ASPEED
22 proprietary mode.
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
[all …]
/Linux-v6.6/Documentation/driver-api/
Dgeneric-counter.rst1 .. SPDX-License-Identifier: GPL-2.0
12 and standard of interaction and exposure. This driver API attempts to
39 ------
57 -------
62 The Synapse action mode specifies the Signal data condition that
68 Signal does not trigger the count function. In Pulse-Direction count
69 function mode, this Signal is evaluated as Direction.
91 -----
96 A Count has a count function mode which represents the update behavior
106 * Pulse-Direction:
[all …]
/Linux-v6.6/fs/squashfs/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SquashFS 4.0 - Squashed file system support"
7 Read-Only File System). Squashfs is a highly compressed read-only
16 Squashfs is intended for general read-only filesystem use, for
70 bool "Select the parallel decompression mode during mount"
79 decompression mode by setting "threads=" during mount.
83 prompt "Select decompression parallel mode at compile time"
88 decompression. Each one exhibits various trade-offs between
97 Traditionally Squashfs has used single-threaded decompression.
126 decompression is load-balanced across the cores.
[all …]
/Linux-v6.6/Documentation/admin-guide/blockdev/
Dparide.rst5 PARIDE v1.03 (c) 1997-8 Grant Guenther <grant@torque.net>
12 to personal computers, many external devices such as portable hard-disk,
13 CD-ROM, LS-120 and tape drives use the parallel port to connect to their
14 host computer. While some devices (notably scanners) use ad-hoc methods
17 a parallel-port adapter chip added in. Some of the original parallel port
19 (The Iomega PPA-3 adapter used in the ZIP drives is an example of this
24 the device being addressed via the parallel cable is a standard SCSI
27 which is then connected to a floppy-tape mechanism. The vast majority
28 of external parallel port devices, however, are now based on standard
30 were to open up a parallel port CD-ROM drive, for instance, one would
[all …]
/Linux-v6.6/Documentation/admin-guide/media/
Dvivid.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
[all …]

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