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12

/Documentation/ABI/testing/
Dsysfs-driver-hid-prodikeys7 that the pc-midi keyboard will output.midi data.
9 Type: Read/write
16 note held by the pc-midi driver.
19 Type: Read/write
25 Controls the octave shift modifier in the pc-midi driver.
27 0 means the no ocatve shift.
28 Range: -2..2 (minus 2 to plus 2)
29 Type: Read/Write
/Documentation/trace/
Dmmiotrace.rst2 In-kernel memory-mapped I/O tracing
11 Injection Test Harness. In Dec 2006 - Jan 2007, using the code from Intel,
15 Mmiotrace was built for reverse engineering any memory-mapped IO device with
19 Out-of-tree mmiotrace was originally modified for mainline inclusion and
24 -----------
29 is on-line, therefore mmiotrace takes all but one CPU off-line during run-time
30 activation. You can re-enable CPUs by hand, but you have been warned, there
31 is no way to automatically detect if you are losing events due to CPUs racing.
35 ---------------------
38 $ mount -t debugfs debugfs /sys/kernel/debug
[all …]
Dcoresight.rst2 Coresight - HW Assisted Tracing on ARM
9 ------------
38 0 CPU 0<-->: C : 0 CPU 0<-->: C : : C : @ STM @ || System ||
39 |->0000000 : T : |->0000000 : T : : T :<--->@@@@@ || Memory ||
40 | #######<-->: I : | #######<-->: I : : I : @@@<-| ||||||||||||
43 | |->### | ! | |->### | ! | ! . | || DAP ||
49 *****************************************************************<-|
63 | * ===== F =====<---------|
65 |-->:: CTI ::<!! === N ===
69 |------>&& ETB &&<......II I =======
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/Documentation/admin-guide/
Drtc.rst8 the local time zone or daylight savings time -- unless they dual boot
9 with MS-Windows -- but will instead be set to Coordinated Universal Time
12 The newest non-PC hardware tends to just count seconds, like the time(2)
16 Linux has two largely-compatible userspace RTC API families you may
19 * /dev/rtc ... is the RTC provided by PC compatible systems,
20 so it's not very portable to non-x86 systems.
25 Programmers need to understand that the PC/AT functionality is not
30 IRQ, so they can't all issue alarms; and where standard PC RTCs can
35 Old PC/AT-Compatible driver: /dev/rtc
36 --------------------------------------
[all …]
/Documentation/networking/device_drivers/cirrus/
Dcs89x0.txt3 ----
30 2.1 CS8900-based Adapter Configuration
31 2.2 CS8920-based Adapter Configuration
43 5.2.1 Diagnostic Self-Test
62 The CS8900-based ISA Ethernet Adapters from Cirrus Logic follow
63 IEEE 802.3 standards and support half or full-duplex operation in ISA bus
65 in 16-bit ISA or EISA bus expansion slots and are available in
66 10BaseT-only or 3-media configurations (10BaseT, 10Base2, and AUI for 10Base-5
69 CS8920-based adapters are similar to the CS8900-based adapter with additional
80 or loaded at run-time as a device driver module.
[all …]
/Documentation/misc-devices/
Deeprom.rst11 Addresses scanned: I2C 0x50 - 0x57
28 24C01 1K 0x50 (shadows at 0x51 - 0x57)
29 24C01A 1K 0x50 - 0x57 (Typical device on DIMMs)
30 24C02 2K 0x50 - 0x57
35 24C16 16K 0x50 (additional data at 0x51 - 0x57)
38 Atmel 34C02B 2K 0x50 - 0x57, SW write protect at 0x30-37
39 Catalyst 34FC02 2K 0x50 - 0x57, SW write protect at 0x30-37
40 Catalyst 34RC02 2K 0x50 - 0x57, SW write protect at 0x30-37
41 Fairchild 34W02 2K 0x50 - 0x57, SW write protect at 0x30-37
42 Microchip 24AA52 2K 0x50 - 0x57, SW write protect at 0x30-37
[all …]
/Documentation/devicetree/bindings/arm/
Dpmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Rutland <mark.rutland@arm.com>
11 - Will Deacon <will.deacon@arm.com>
16 representation in the device tree should be done as under:-
21 - enum:
22 - apm,potenza-pmu
23 - arm,armv8-pmuv3
24 - arm,cortex-a73-pmu
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/Documentation/scsi/
DNinjaSCSI.txt2 WorkBiT NinjaSCSI-3/32Bi driver for Linux
5 This is Workbit corp.'s(http://www.workbit.co.jp/) NinjaSCSI-3
10 pcmcia-cs: 3.1.27
11 gcc: gcc-2.95.4
12 PC card: I-O data PCSC-F (NinjaSCSI-3)
13 I-O data CBSC-II in 16 bit mode (NinjaSCSI-32Bi)
14 SCSI device: I-O data CDPS-PX24 (CD-ROM drive)
15 Media Intelligent MMO-640GT (Optical disk drive)
18 [1] Check your PC card is true "NinjaSCSI-3" card.
19 If you installed pcmcia-cs already, pcmcia reports your card as UNKNOWN
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/Documentation/filesystems/
Daffs.txt9 Supported read/write.
11 DOS\1 The original Fast File System. Supported read/write.
15 in file names are case-insensitive, as they ought to be.
16 Supported read/write.
18 DOS\3 The "international" Fast File System. Supported read/write.
90 Amiga -> Linux:
94 - R maps to r for user, group and others. On directories, R implies x.
96 - If both W and D are allowed, w will be set.
98 - E maps to x.
100 - H and P are always retained and ignored under Linux.
[all …]
/Documentation/virt/kvm/
Dtimekeeping.txt2 Timekeeping Virtualization for X86-Based Architectures
28 information relevant to KVM and hardware-based virtualization.
38 2.1) i8254 - PIT
42 channels which can be programmed to deliver periodic or one-shot interrupts.
45 IBM PC, and historically were connected to control RAM refresh and the PC
49 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
55 -------------- ----------------
57 | 1.1932 MHz |---------->| CLOCK OUT | ---------> IRQ 0
59 -------------- | +->| GATE TIMER 0 |
60 | ----------------
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/Documentation/s390/
D3270.rst17 Linux/390. A 3270 device is a block-mode rows-and-columns terminal of
21 You may have 3270s in-house and not know it. If you're using the
22 VM-ESA operating system, define a 3270 to your virtual machine by using
23 the command "DEF GRAF <hex-address>" This paper presumes you will be
26 - DEF GRAF 620
27 - DEF GRAF 621
28 - DEF GRAF 622
29 - DEF GRAF 623
31 Your network connection from VM-ESA allows you to use x3270, tn3270, or
32 another 3270 emulator, started from an xterm window on your PC or
[all …]
/Documentation/i2c/
Dwriting-clients.rst5 This is a small guide for those who want to write kernel drivers for I2C
19 it for non-exported symbols too. We will use the prefix ``foo_`` in this
28 routines, and should be zero-initialized except for fields with data you
29 provide. A client structure holds device-specific information like the
66 All other fields are for call-back functions which will be explained
74 structure at all. You should use this to keep device-specific data.
85 to NULL in remove() or if probe() failed anymore. The i2c-core does this
94 to gather information from the client, or write new information to the
99 but many chips have some kind of register-value idea that can easily
107 if (reg < 0x10) /* byte-sized register */
[all …]
Dinstantiating-devices.rst13 ------------------------------------------------
17 which is known in advance. It is thus possible to pre-declare the I2C
49 by i2c-core.
56 -------------------------------------------------
65 clock-frequency = <100000>;
74 gpio-controller;
75 #gpio-cells = <2>;
86 -------------------------------------------
89 which is currently located at Documentation/firmware-guide/acpi/enumeration.rst.
93 --------------------------------------------
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/Documentation/sound/designs/
Doss-emulation.rst2 Notes on Kernel OSS-Emulation
13 as add-on kernel modules, snd-pcm-oss, snd-mixer-oss and snd-seq-oss.
18 is called. The alias is defined ``sound-service-x-y``, where x and y are
22 Only necessary step for auto-loading of OSS modules is to define the
25 alias sound-slot-0 snd-emu10k1
27 As the second card, define ``sound-slot-1`` as well.
29 ``alias sound-slot-0 snd-card-0`` doesn't work any more like the old
38 after the corresponding OSS-emulation module is loaded. Don't worry
79 snd-pcm-oss and snd-rawmidi. In the case of PCM, the following
80 options are available for snd-pcm-oss:
[all …]
/Documentation/x86/
Dboot.rst1 .. SPDX-License-Identifier: GPL-2.0
10 bootable image, the complicated PC memory model and due to changed
11 expectations in the PC industry caused by the effective demise of
12 real-mode DOS as a mainstream operating system.
28 Protocol 2.02 (Kernel 2.4.0-test3-pre3) New command line protocol.
29 Lower the conventional memory ceiling. No overwrite
31 safe for systems which use the EBDA from SMM or 32-bit
35 Protocol 2.03 (Kernel 2.4.18-pre1) Explicitly makes the highest possible
54 Protocol 2.09 (Kernel 2.6.26) Added a field of 64-bit physical
68 Protocol 2.13 (Kernel 3.14) Support 32- and 64-bit flags being set in
[all …]
/Documentation/driver-api/
Dparport-lowlevel.rst5 :Time-stamp: <2000-02-24 13:30:20 twaugh>
34 Port functions (can be overridden by low-level drivers):
37 port->ops->read_data
38 port->ops->write_data
39 port->ops->read_status
40 port->ops->read_control
41 port->ops->write_control
42 port->ops->frob_control
43 port->ops->enable_irq
44 port->ops->disable_irq
[all …]
Duio-howto.rst5 :Author: Hans-Jürgen Koch Linux developer, Linutronix
6 :Date: 2006-12-11
12 ------------
18 -------
36 serial or USB) are no candidates for an UIO driver. Hardware that is
39 - The device has memory that can be mapped. The device can be
42 - The device usually generates interrupts.
44 - The device does not fit into one of the standard kernel subsystems.
47 ---------------
54 --------
[all …]
/Documentation/arm/sa1100/
Dassabet.rst2 The Intel Assabet (SA-1110 evaluation) board
13 -------------------
25 -----------------------
38 Bootldr is the bootloader developed by Compaq for the iPAQ Pocket PC.
39 John Dorsey has produced add-on patches to add support for Assabet and
55 - ftp://ftp.netwinder.org/users/n/nico/
56 - ftp://ftp.arm.linux.org.uk/pub/linux/arm/people/nico/
57 - ftp://ftp.handhelds.org/pub/linux/arm/sa-1100-patches/
59 Look for redboot-assabet*.tgz. Some installation infos are provided in
60 redboot-assabet*.txt.
[all …]
/Documentation/hwmon/
Dlm85.rst79 - 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
127 ----------------
133 for 3-wire and 2-wire mode. For this reason, the 2-wire fan modes are not
[all …]
/Documentation/ide/
DChangeLog.ide-cd.1994-20042 * 1.00 Oct 31, 1994 -- Initial version.
3 * 1.01 Nov 2, 1994 -- Fixed problem with starting request in
5 * 1.03 Nov 25, 1994 -- leaving unmask_intr[] as a user-setting (as for disks)
6 * (from mlord) -- minor changes to cdrom_setup()
7 * -- renamed ide_dev_s to ide_drive_t, enable irq on command
8 * 2.00 Nov 27, 1994 -- Generalize packet command interface;
10 * 2.01 Dec 3, 1994 -- Rework packet command interface to handle devices
12 * 2.02 Dec 11, 1994 -- Cache the TOC in the driver.
18 * 2.03 Jan 10, 1995 -- Rewrite block read routines to handle block sizes
21 * 2.04 Apr 21, 1995 -- Add work-around for Creative Labs CD220E drives.
[all …]
/Documentation/driver-api/usb/
Dgadget.rst11 This document presents a Linux-USB "Gadget" kernel mode API, for use
17 - Supports USB 2.0, for high speed devices which can stream data at
20 - Handles devices with dozens of endpoints just as well as ones with
21 just two fixed-function ones. Gadget drivers can be written so
24 - Flexible enough to expose more complex USB device capabilities such
28 - USB "On-The-Go" (OTG) support, in conjunction with updates to the
29 Linux-USB host side.
31 - Sharing data structures and API models with the Linux-USB host side
32 API. This helps the OTG support, and looks forward to more-symmetric
36 - Minimalist, so it's easier to support new device controller hardware.
[all …]
Dusb.rst1 .. _usb-hostside-api:
4 The Linux-USB Host Side API
10 A Universal Serial Bus (USB) is used to connect a host, such as a PC or
18 That master/slave asymmetry was designed-in for a number of reasons, one
22 distributed auto-configuration since the pre-designated master node
37 USB Host-Side API Model
40 Host-side drivers for USB devices talk to the "usbcore" APIs. There are
41 two. One is intended for *general-purpose* drivers (exposed through
49 - USB supports four kinds of data transfers (control, bulk, interrupt,
54 - The device description model includes one or more "configurations"
[all …]
/Documentation/usb/
Dgadget_serial.rst7 (updated 8-May-2008 for v2.3)
11 ----------------------
23 License along with this program; if not, write to the Free
25 MA 02111-1307 USA.
35 -------------
48 no longer statically defined. Your Linux based system should mount
55 --------
58 hardware; for example, a PDA, an embedded Linux system, or a PC
62 or a generic USB serial driver running on a host PC::
65 --------------------------------------
[all …]
/Documentation/networking/
Dz8530drv.txt7 1. ftp://ftp.ccac.rwth-aachen.de/pub/jr/z8530drv-utils_3.0-3.tar.gz
9 2. ftp://ftp.pspt.fi/pub/ham/linux/ax25/z8530drv-utils_3.0-3.tar.gz
16 -----------------------------------------------------------------------------
19 SCC.C - Linux driver for Z8530 based HDLC cards for AX.25
44 AX.25-HOWTO on how to emulate a KISS TNC on network device drivers.
57 please read 'man insmod' that comes with module-init-tools.
67 of your rc.*-files. This has to be done BEFORE you can
85 irq 5 # IRQ No. 5
88 escc no # enhanced SCC chip? (8580/85180/85280)
90 special no # address of special function register
[all …]
Dfilter.txt5 ------------
12 BPF allows a user-space program to attach a filter onto any socket and
37 The biggest user of this construct might be libpcap. Issuing a high-level
38 filter command like `tcpdump -i em1 port 22` passes through the libpcap
40 via SO_ATTACH_FILTER to the kernel. `tcpdump -i em1 port 22 -ddd`
45 qdisc layer, SECCOMP-BPF (SECure COMPuting [1]), and lots of other places
48 [1] Documentation/userspace-api/seccomp_filter.rst
53 architecture for user-level packet capture. In Proceedings of the
56 CA, USA, 2-2. [http://www.tcpdump.org/papers/bpf-usenix93.pdf]
59 ---------
[all …]

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