| /linux/Documentation/userspace-api/ioctl/ |
| H A D | cdrom.rst | 5 - Edward A. Falk <efalk@google.com>
10 the CDROM layer. These are by-and-large implemented (as of Linux 2.6)
33 CDROMEJECT_SW enable(1)/disable(0) auto-ejecting
34 CDROMMULTISESSION Obtain the start-of-last-session
40 CDROMRESET hard-reset the drive
47 CDROMPLAYBLK scsi-cd only, (struct cdrom_blk)
48 CDROMREADALL read all 2646 bytes
49 CDROMGETSPINDOWN return 4-bit spindown value
50 CDROMSETSPINDOWN set 4-bit spindown value
54 CDROM_SELECT_SPEED Set the CD-ROM speed
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| H A D | hdio.rst | 5 - Edward A. Falk <efalk@google.com>
10 the HD/IDE layer. These are by-and-large implemented (as of Linux 5.11)
11 drivers/ata/libata-scsi.c.
27 ioctls that pass non-pointer values:
37 ------------------------------------------------------------------------------
41 Unless otherwise specified, all ioctl calls return 0 on success
42 and -1 with errno set to an appropriate value on error.
44 Unless otherwise specified, all ioctl calls return -1 and set
48 Unless otherwise specified, all data structures and constants
51 ------------------------------------------------------------------------------
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| /linux/include/media/drv-intf/ |
| H A D | msp3400.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 msp3400.h - definition for msp3400 inputs and outputs
16 combinations. The details are all in the datasheets but I will try
24 selected tuner input, the selected SCART input and all I2S inputs go to
28 have support for surround sound. It has several outputs
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | audio.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Audio Inputs and Outputs
9 Audio inputs and outputs are physical connectors of a device. Video
10 capture devices have inputs, output devices have outputs, zero or more
11 each. Radio devices have no audio inputs or outputs. They have exactly
13 tuners with video inputs or outputs only, and radio devices have none of
17 Audio and video inputs and outputs are associated. Selecting a video
29 outputs applications can enumerate them with the
52 Drivers must implement all audio input ioctls when the device has
53 multiple selectable audio inputs, all audio output ioctls when the
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| H A D | video.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Video Inputs and Outputs
9 Video inputs and outputs are physical connectors of a device. These can
11 Video, S-Video and RGB connectors. Camera sensors are also considered to
13 VBI output devices have outputs, at least one each. Radio devices have
14 no video inputs or outputs.
17 outputs applications can enumerate them with the
29 implement all the input ioctls when the device has one or more inputs,
30 all the output ioctls when the device has one or more outputs.
35 .. code-block:: c
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| H A D | vidioc-enumoutput.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMOUTPUT - Enumerate video outputs
34 To query the attributes of a video outputs applications initialize the
38 when the index is out of bounds. To enumerate all outputs applications
46 .. flat-table:: struct v4l2_output
47 :header-rows: 0
48 :stub-columns: 0
51 * - __u32
52 - ``index``
53 - Identifies the output, set by the application.
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| H A D | vidioc-g-output.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_OUTPUT - VIDIOC_S_OUTPUT - Query or select the current video output
42 fail only when there are no video outputs, returning the ``EINVAL`` error
47 pointer to this integer. Side effects are possible. For example outputs
53 Information about video outputs is available using the
59 On success 0 is returned, on error -1 and the ``errno`` variable is set
61 :ref:`Generic Error Codes <gen-errors>` chapter.
65 video outputs at all.
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| H A D | vidioc-enumaudioout.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMAUDOUT - Enumerate audio outputs
39 bounds. To enumerate all audio outputs applications shall begin at index
45 to a sound card are not audio outputs in this sense.
53 On success 0 is returned, on error -1 and the ``errno`` variable is set
55 :ref:`Generic Error Codes <gen-errors>` chapter.
|
| /linux/Documentation/gpu/ |
| H A D | tegra.rst | 11 supports the built-in GPU, comprised of the gr2d and gr3d engines. Starting
18 - A host1x driver that provides infrastructure and access to the host1x
21 - A KMS driver that supports the display controllers as well as a number of
22 outputs, such as RGB, HDMI, DSI, and DisplayPort.
24 - A set of custom userspace IOCTLs that can be used to submit jobs to the
39 Once all clients are available, the infrastructure will initialize the logical
40 device using a driver-provided function which will set up the bits specific to
48 -------------------------------
50 .. kernel-doc:: include/linux/host1x.h
52 .. kernel-doc:: drivers/gpu/host1x/bus.c
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| /linux/Documentation/hwmon/ |
| H A D | dme1737.rst | 18 Addresses scanned: none, address read from Super-I/O config space
34 Addresses scanned: none, address read from Super-I/O config space
43 -----------------
52 Include non-standard LPC addresses 0x162e and 0x164e
55 - VIA EPIA SN18000
59 -----------
63 and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
64 temp[1-3] (2 remote diodes and 1 internal), 8 voltages in[0-7] (7 external and
65 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
66 up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
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| H A D | lm85.rst | 79 - Philip Pokorny <ppokorny@penguincomputing.com>,
80 - Frodo Looijaard <frodol@dds.nl>,
81 - Richard Barrington <rich_b_nz@clear.net.nz>,
82 - Margit Schubert-While <margitsw@t-online.de>,
83 - Justin Thiessen <jthiessen@penguincomputing.com>
86 -----------
92 The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
94 temperatures and five (5) voltages. It has four (4) 16-bit counters for
97 outputs that can be used to control fan speed.
110 A sophisticated control system for the PWM outputs is designed into the
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| H A D | adm1026.rst | 16 - Philip Pokorny <ppokorny@penguincomputing.com> for Penguin Computing
17 - Justin Thiessen <jthiessen@penguincomputing.com>
20 -----------------
23 List of GPIO pins (0-16) to program as inputs
26 List of GPIO pins (0-16) to program as outputs
29 List of GPIO pins (0-16) to program as inverted
32 List of GPIO pins (0-16) to program as normal/non-inverted
35 List of GPIO pins (0-7) to program as fan tachs
39 -----------
45 16 general purpose digital I/O lines, eight (8) fan speed sensors (8-bit),
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| H A D | adt7475.rst | 39 - Jordan Crouse
40 - Hans de Goede
41 - Darrick J. Wong (documentation)
42 - Jean Delvare
46 -----------
52 features, including extra voltage measurement inputs and PECI support. All
56 The ADT747x uses the 2-wire interface compatible with the SMBus 2.0
58 temperatures and two (2) or more voltages. It has four (4) 16-bit counters
59 for measuring fan speed. There are three (3) PWM outputs that can be used
62 A sophisticated control system for the PWM outputs is designed into the
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| H A D | adt7470.rst | 17 -----------
22 The ADT7470 uses the 2-wire interface compatible with the SMBus 2.0
24 external temperatures. It has four (4) 16-bit counters for measuring fan speed.
25 There are four (4) PWM outputs that can be used to control fan speed.
27 A sophisticated control system for the PWM outputs is designed into the ADT7470
30 programmable. Once configured, the ADT7470 will adjust the PWM outputs in
38 The ADT7470 samples all inputs continuously. A kernel thread is started up for
45 ----------------
47 The ADT7470 has a 8-bit ADC and is capable of measuring temperatures with 1
54 -------------------
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| /linux/Documentation/devicetree/bindings/gpio/ |
| H A D | xlnx,gpio-xilinx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/xlnx,gpio-xilinx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Neeli Srinivas <srinivas.neeli@amd.com>
14 to an AXI4-Lite interface. The AXI GPIO can be configured as either
15 a single or a dual-channel device. The width of each channel is
22 - xlnx,xps-gpio-1.00.a
27 "#gpio-cells":
33 gpio-controller: true
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| /linux/Documentation/admin-guide/media/ |
| H A D | vivid.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 Up to 64 vivid instances can be created, each with up to 16 inputs and 16 outputs.
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
17 These inputs and outputs act exactly as a real hardware device would behave. This
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
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | sock_iter_batch.c | 1 // SPDX-License-Identifier: GPL-2.0
27 int insert = -1; in insert()
96 return -1; in get_seen_socket()
102 int nth_sock_idx = -1; in get_nth_socket()
107 return -1; in get_nth_socket()
109 for (; n >= 0; n--) { in get_nth_socket()
128 int iter_fd = -1; in destroy()
136 skel->rodata->destroy_cookie = cookie; in destroy()
141 link = bpf_program__attach_iter(skel->progs.iter_tcp_destroy, NULL); in destroy()
205 return -1; in accept_from_one()
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| /linux/drivers/comedi/drivers/ |
| H A D | pcl730.c | 1 // SPDX-License-Identifier: GPL-2.0
4 * Driver for Advantech PCL-730 and clones
10 * Description: Advantech PCL-730 (& compatibles)
11 * Devices: [Advantech] PCL-730 (pcl730), PCM-3730 (pcm3730), PCL-725 (pcl725),
12 * PCL-733 (pcl733), PCL-734 (pcl734),
13 * [ADLink] ACL-7130 (acl7130), ACL-7225b (acl7225b),
14 * [ICP] ISO-730 (iso730), P8R8-DIO (p8r8dio), P16R16-DIO (p16r16dio),
15 * [Diamond Systems] OPMM-1616-XT (opmm-1616-xt), PEARL-MM-P (pearl-mm-p),
16 * IR104-PBF (ir104-pbf),
21 * [0] - I/O port base
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| H A D | adv_pci1720.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * COMEDI driver for Advantech PCI-1720U
9 * COMEDI - Linux Control and Measurement Device Interface
15 * Description: 4-channel Isolated D/A Output board
16 * Devices: [Advantech] PCI-7120U (adv_pci1720)
18 * Updated: Fri, 29 Oct 2015 17:19:35 -0700
23 * The PCI-1720 has 4 isolated 12-bit analog output channels with multiple
27 * The analog outputs can operate in two modes, immediate and synchronized.
35 * Jumper JP5 controls the "hot" reset state of the analog outputs.
36 * Depending on its setting, the analog outputs will either keep the
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| /linux/arch/m68k/ifpsp060/ |
| H A D | os.S | 3 |M68000 Hi-Performance Microprocessor Division
5 |Production Release P1.00 -- October 10, 1994
7 |M68060 Software Package Copyright © 1993, 1994 Motorola Inc. All rights reserved.
11 |MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
32 | - example "Call-Out"s required by both the ISP and FPSP.
38 | EXAMPLE CALL-OUTS #
69 | (i.e. all the known length <= 4) are implemented by single moves
79 | a0 - supervisor source address
80 | a1 - user destination address
81 | d0 - number of bytes to write
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| /linux/Documentation/input/devices/ |
| H A D | rotary-encoder.rst | 2 rotary-encoder - a generic driver for GPIO connected devices
8 --------
11 peripherals with two wires. The outputs are phase-shifted by 90 degrees
15 Some encoders have both outputs low in stable states, others also have
16 a stable state with both outputs high (half-period mode) and some have
17 a stable state in all steps (quarter-period mode).
19 The phase diagram of these two outputs look like this::
33 |<-------->|
36 |<-->|
37 one step (half-period mode)
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| /linux/drivers/gpu/drm/amd/display/dc/dml2/ |
| H A D | dml2_utils.h | 1 /* SPDX-License-Identifier: MIT */
13 * all copies or substantial portions of the Software.
53 * dml2_dc_construct_pipes - This function will determine if we need additional pipes based
54 * on the DML calculated outputs for MPC, ODM and allocate them as necessary. This function
58 * map_hw_resources(&s->cur_display_config, &s->mode_support_info);
59 …* result = dml_mode_programming(&in_ctx->dml_core_ctx, s->mode_support_params.out_lowest_state_idx…
60 * dml2_dc_construct_pipes(in_display_state, s->mode_support_info, out_hw_context);
65 * @dml_mode_support_st : To get the ODM, MPC outputs as determined by the DML.
75 * dml2_predict_pipe_split - This function is the dml2 version of predict split pipe. It predicts a
87 * dml2_build_mapped_resource - This function is the dml2 version of build_mapped_resource.
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| /linux/Documentation/driver-api/ |
| H A D | ptp.rst | 1 .. 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
33 class driver handles all of the dealings with user space. The
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| /linux/Documentation/devicetree/bindings/ |
| H A D | common-properties.txt | 5 ----------
13 - big-endian: Boolean; force big endian register accesses
16 - little-endian: Boolean; force little endian register accesses
19 - native-endian: Boolean; always use register accesses matched to the
20 endianness of the kernel binary (e.g. LE vmlinux -> readl/writel,
21 BE vmlinux -> ioread32be/iowrite32be). In this case no byte swaps
22 will ever be performed. Use this if the hardware "self-adjusts"
27 In such cases, little-endian is the preferred default, but it is not
28 a requirement. Some implementations assume that little-endian is
29 the default, because most existing (PCI-based) drivers implicitly
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| /linux/Documentation/devicetree/bindings/clock/ |
| H A D | zynq-7000.txt | 12 for all clock consumers of PS clocks.
15 - #clock-cells : Must be 1
16 - compatible : "xlnx,ps7-clkc"
17 - reg : SLCR offset and size taken via syscon < 0x100 0x100 >
18 - ps-clk-frequency : Frequency of the oscillator providing ps_clk in HZ
20 - clock-output-names : List of strings used to name the clock outputs. Shall be
21 a list of the outputs given below.
24 - clocks : as described in the clock bindings
25 - clock-names : as described in the clock bindings
26 - fclk-enable : Bit mask to enable FCLKs statically at boot time.
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