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/linux/Documentation/input/
H A Devent-codes.rst1 .. _input-event-codes:
4 Input event codes
8 The input protocol uses a map of types and codes to express input device values
9 to userspace. This document describes the types and codes and how and when they
12 A single hardware event generates multiple input events. Each input event
13 contains the new value of a single data item. A special event type, EV_SYN, is
15 the same moment in time. In the following, the term "event" refers to a single
16 input event encompassing a type, code, and value.
19 of event codes have changed. However, the state is maintained within the Linux
22 event code values using the EVIOCG* ioctls defined in linux/input.h. The event
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H A Dinput_uapi.rst4 Linux Input Subsystem userspace API
13 event-codes
14 multi-touch-protocol
/linux/drivers/scsi/lpfc/
H A Dlpfc_nl.h2 * This file is part of the Emulex Linux Device Driver for *
4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
23 /* Event definitions for RegisterForEvent */
51 * All net link event payloads will begin with and event type
52 * and subcategory. The event type must come first.
56 * The payload sent via the fc transport is one-way driver->application.
59 /* RSCN event header */
66 /* els event header */
74 /* subcategory codes for FC_REG_ELS_EVENT */
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/linux/Documentation/driver-api/surface_aggregator/clients/
H A Ddtx.rst1 .. SPDX-License-Identifier: GPL-2.0+
10 User-Space DTX (Clipboard Detachment System) Interface
14 and re-attachment handling. To this end, it provides the ``/dev/surface/dtx``
15 device file, through which it can interface with a user-space daemon. This
18 unloading/reloading the graphics-driver, user-notifications, etc.
24 change. Commands are always driver-initiated, whereas events are always
56 ------------
65 being hot-unplugged while in use. More details can be found in the
70 --------------------
73 ``surface_dtx`` driver only relays events from the EC to user-space and
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/linux/Documentation/admin-guide/media/
H A Dremote-controller.rst1 .. SPDX-License-Identifier: GPL-2.0
14 pulse/space sequences and then to scan codes, returning such codes to
19 standard Linux input layer. The support for raw mode is provided via LIRC.
22 the `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_. It provides
25 - ir-keytable: provides a way to query the remote controller, list the
26 protocols it supports, enable in-kernel support for IR decoder or
27 switch the protocol and to test the reception of scan codes;
29 - ir-ctl: provide tools to handle remote controllers that support raw mode
32 Usually, the remote controller module is auto-loaded when the TV card is
34 ir-kbd-i2c module.
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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-event_source-devices-hv_gpci3 Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
4 Description: Read-only. Attribute group to describe the magic bits
6 (See ABI/testing/sysfs-bus-event_source-devices-format).
12 counter_info_version = "config:16-23"
13 length = "config:24-31"
14 partition_id = "config:32-63"
15 request = "config:0-31"
16 sibling_part_id = "config:32-63"
17 hw_chip_id = "config:32-63"
18 offset = "config:32-63"
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/linux/Documentation/userspace-api/gpio/
H A Dgpio-lineevent-data-read.rst1 .. SPDX-License-Identifier: GPL-2.0
11 gpio-v2-line-event-read.rst.
16 GPIO_LINEEVENT_DATA_READ - Read edge detection events from a line event.
28 :c:type:`request.fd<gpioevent_request>` by gpio-get-lineevent-ioctl.rst.
40 Read edge detection events for a line from a line event.
56 The source of the clock for :c:type:`event.timestamp<gpioevent_data>` is
57 ``CLOCK_MONOTONIC``, except for kernels earlier than Linux 5.7 when it was
65 The size of the kernel event buffer is fixed at 16 events.
68 by userspace. If an overflow occurs then the most recent event is discarded.
76 The `read()` will block if no event is available and the ``event_fd`` has not
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/linux/include/uapi/linux/surface_aggregator/
H A Ddtx.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Surface DTX (clipboard detachment system driver) user-space interface.
6 * device allows user-space to control the clipboard detachment process on
9 * Copyright (C) 2020-2021 Maximilian Luz <luzmaximilian@gmail.com>
15 #include <linux/ioctl.h>
16 #include <linux/types.h>
42 /* Runtime errors (non-critical) */
62 * enum sdtx_device_mode - Mode describing how (and if) the clipboard is
81 * struct sdtx_event - Event provided by reading from the DTX device file.
82 * @length: Length of the event payload, in bytes.
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/linux/Documentation/userspace-api/media/dvb/
H A Dlegacy_dvb_video.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
17 ``linux/dvb/video.h`` in your application.
40 --------------
45 .. code-block:: c
56 .. flat-table::
57 :header-rows: 0
58 :stub-columns: 0
60 - ..
62 - ``VIDEO_FORMAT_4_3``
64 - Select 4:3 format.
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/linux/drivers/scsi/qedf/
H A Dqedf_hsi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (c) 2016-2018 Cavium Inc.
11 #include <linux/qed/common_hsi.h>
16 #include <linux/qed/storage_common.h>
21 #include <linux/qed/fcoe_common.h>
196 * 0x1 - Indicating on an unsolicited event notification. use enum
212 /* solicited response on a R/W or middle-path SQE */
226 * FCoE fast path error codes
229 FCOE_ERROR_CODE_XFER_OOO_RO /* XFER error codes */,
238 FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET /* FCP RSP error codes */,
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/linux/drivers/input/
H A Devdev.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Event char devices, giving access to raw input device events.
5 * Copyright (c) 1999-2002 Vojtech Pavlik
15 #include <linux/poll.h>
16 #include <linux/sched.h>
17 #include <linux/slab.h>
18 #include <linux/vmalloc.h>
19 #include <linux/mm.h>
20 #include <linux/module.h>
21 #include <linux/init.h>
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/linux/arch/parisc/kernel/
H A Dpdc_chassis.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * interfaces to Chassis Codes via PDC (firmware)
6 * Copyright (C) 2002-2006 Thibaut VARENE <varenet@parisc-linux.org>
20 #include <linux/init.h>
21 #include <linux/module.h>
22 #include <linux/kernel.h>
23 #include <linux/panic_notifier.h>
24 #include <linux/reboot.h>
25 #include <linux/notifier.h>
26 #include <linux/cache.h>
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/linux/include/uapi/linux/
H A Dvirtio_scsi.h17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
30 #include <linux/virtio_types.h>
43 /* SCSI command request, followed by data-out */
65 /* Response, followed by sense data and data-in */
100 __virtio32 event; member
124 /* Response codes */
139 /* Controlq type codes. */
161 /* Reasons of transport reset event */
/linux/drivers/nvdimm/
H A Ddimm.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
5 #include <linux/vmalloc.h>
6 #include <linux/module.h>
7 #include <linux/device.h>
8 #include <linux/sizes.h>
9 #include <linux/ndctl.h>
10 #include <linux/slab.h>
11 #include <linux/mm.h>
12 #include <linux/nd.h>
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/linux/Documentation/devicetree/bindings/input/
H A Dgpio-keys.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/gpio-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
15 - gpio-keys
16 - gpio-keys-polled
23 poll-interval: true
26 …"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switc…
35 - items:
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H A Datmel,captouch.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dharma balasubiramani <dharma.b@microchip.com>
17 - $ref: input.yaml#
29 linux,keycodes:
34 - compatible
35 - reg
36 - interrupts
37 - linux,keycodes
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/linux/arch/m68k/atari/
H A Datakeyb.c2 * Atari Keyboard driver for 680x0 Linux
17 #include <linux/module.h>
18 #include <linux/sched.h>
19 #include <linux/kernel.h>
20 #include <linux/interrupt.h>
21 #include <linux/errno.h>
22 #include <linux/keyboard.h>
23 #include <linux/delay.h>
24 #include <linux/timer.h>
25 #include <linux/kd.h>
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/linux/drivers/s390/char/
H A Dsclp_diag.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/types.h>
12 /* return codes for Diagnostic Test FTP Service, as indicated in member
25 * length of Diagnostic Test FTP Service event buffer
32 * struct sclp_diag_ftp - Diagnostic Test FTP Service model-dependent data
45 * @fident: file name (ASCII, zero-terminated)
65 * struct sclp_diag_evbuf - Diagnostic Test (ET7) Event Buffer
66 * @hdr: event buffer header
68 * @mdd: model-dependent data (@route dependent)
80 * struct sclp_diag_sccb - Diagnostic Test (ET7) SCCB
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dcypress,tt21000.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
13 - Alistair Francis <alistair@alistair23.me>
16 - $ref: touchscreen.yaml#
25 '#address-cells':
28 '#size-cells':
34 vdd-supply:
37 vddio-supply:
40 reset-gpios:
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/linux/arch/powerpc/perf/
H A Dpower8-pmu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #define pr_fmt(fmt) "power8-pmu: " fmt
11 #include "isa207-common.h"
14 * Some power8 event codes.
16 #define EVENT(_name, _code) _name = _code, macro
19 #include "power8-events-list.h"
22 #undef EVENT
24 /* MMCRA IFM bits - POWER8 */
31 * Raw event encoding for PowerISA v2.07 (Power8):
34 * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
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H A Dpower7-pmu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 #include <linux/kernel.h>
8 #include <linux/perf_event.h>
9 #include <linux/string.h>
16 * Bits in event code for POWER7
18 #define PM_PMC_SH 16 /* PMC number (1-based) for direct events */
21 #define PM_UNIT_SH 12 /* TTMMUX number and setting - unit select */
23 #define PM_COMBINE_SH 11 /* Combined event bit */
26 #define PM_L2SEL_SH 8 /* L2 event select */
48 #define MMCR1_PMCSEL_SH(n) (MMCR1_PMC1SEL_SH - (n) * 8)
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/linux/arch/arm64/boot/dts/rockchip/
H A Drk3566-anbernic-rg-arc-s.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 /dts-v1/;
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/linux-event-codes.h>
7 #include <dt-bindings/pinctrl/rockchip.h>
8 #include "rk3566-anbernic-rg-arc.dtsi"
11 model = "Anbernic RG ARC-S";
12 compatible = "anbernic,rg-arc-s", "rockchip,rk3566";
/linux/include/dt-bindings/input/
H A Dinput.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include "linux-event-codes.h"
/linux/Documentation/admin-guide/
H A Dsysfs-rules.rst4 The kernel-exported sysfs exports internal kernel implementation details
6 by the kernel developers that the Linux kernel does not provide a stable
11 low-level userspace applications, with a new kernel release, the users
12 of sysfs must follow some rules to use an as-abstract-as-possible way to
21 - Do not use libsysfs
23 offer any abstraction, it exposes all the kernel driver-core
31 - sysfs is always at ``/sys``
38 - devices are only "devices"
39 There is no such thing like class-, bus-, physical devices,
41 just simply a "device". Class-, bus-, physical, ... types are just
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/linux/drivers/scsi/ibmvscsi_tgt/
H A Dibmvscsi_tgt.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp.
8 * Copyright (C) 2005-2011 FUJITA Tomonori <tomof@acm.org>
10 * Copyright (C) 2016 Bryant G. Ly <bryantly@linux.vnet.ibm.com> IBM Corp.
12 * Authors: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
13 * Authors: Michael Cyr <mikecyr@linux.vnet.ibm.com>
20 #include <linux/interrupt.h>
59 /* root node property "ibm,partition-no" */
69 /* Return codes */
71 /* choose error codes that do not conflict with PHYP */
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