Home
last modified time | relevance | path

Searched +full:buffer +full:- +full:enable (Results 1 – 25 of 185) sorted by relevance

12345678

/Documentation/devicetree/bindings/iio/adc/
Dadi,ad7192.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Michael Hennerich <michael.hennerich@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7192.pdf
21 - adi,ad7190
22 - adi,ad7192
23 - adi,ad7193
24 - adi,ad7195
29 spi-cpol: true
[all …]
/Documentation/driver-api/iio/
Dbuffers.rst5 * struct :c:type:`iio_buffer` — general buffer structure
8 * :c:func:`iio_buffer_get` — Grab a reference to the buffer
9 * :c:func:`iio_buffer_put` — Release the reference to the buffer
15 IIO buffer sysfs interface
17 An IIO buffer has an associated attributes directory under
18 :file:`/sys/bus/iio/iio:device{X}/buffer/*`. Here are some of the existing
22 stored by the buffer.
23 * :file:`enable`, activate buffer capture.
25 IIO buffer setup
28 The meta information associated with a channel reading placed in a buffer is
[all …]
Dtriggered-buffers.rst7 IIO triggered buffer setup
10 * :c:func:`iio_triggered_buffer_setup` — Setup triggered buffer and pollfunc
13 * struct :c:type:`iio_buffer_setup_ops` — buffer setup related callbacks
15 A typical triggered buffer setup looks like this::
26 pf->timestamp = iio_get_time_ns((struct indio_dev *)p);
45 /* setup triggered buffer, usually in probe function */
52 * :c:type:`iio_buffer_setup_ops`, the buffer setup functions to be called at
53 predefined points in the buffer configuration sequence (e.g. before enable,
64 stores it in the internal buffer together with the timestamp recorded in the
69 .. kernel-doc:: drivers/iio/buffer/industrialio-triggered-buffer.c
Dhw-consumer.rst7 software buffer for data. The implementation can be found under
8 :file:`drivers/iio/buffer/hw-consumer.c`
14 * :c:func:`iio_hw_consumer_enable` — Enable IIO hardware consumer
43 hwc = devm_iio_hw_consumer_alloc(&iio->dev);
48 .. kernel-doc:: drivers/iio/buffer/industrialio-hw-consumer.c
/Documentation/devicetree/bindings/auxdisplay/
Dhit,hd44780.txt5 which can be used in either 4-bit or 8-bit mode.
8 - compatible: Must contain "hit,hd44780",
9 - data-gpios: Must contain an array of either 4 or 8 GPIO specifiers,
10 referring to the GPIO pins connected to the data signal lines DB0-DB7
11 (8-bit mode) or DB4-DB7 (4-bit mode) of the LCD Controller's bus interface,
12 - enable-gpios: Must contain a GPIO specifier, referring to the GPIO pin
13 connected to the "E" (Enable) signal line of the LCD Controller's bus
15 - rs-gpios: Must contain a GPIO specifier, referring to the GPIO pin
18 - display-height-chars: Height of the display, in character cells,
19 - display-width-chars: Width of the display, in character cells.
[all …]
/Documentation/media/v4l-drivers/
Domap3isp.rst1 .. SPDX-License-Identifier: GPL-2.0
17 ------------
26 - 3430
27 - 3530
28 - 3630
36 ----------------
42 - OMAP3 ISP CCP2
43 - OMAP3 ISP CSI2a
44 - OMAP3 ISP CCDC
45 - OMAP3 ISP preview
[all …]
Dmeye.rst1 .. SPDX-License-Identifier: GPL-2.0
8 Copyright |copy| 2001-2004 Stelian Pop <stelian@popies.net>
10 Copyright |copy| 2001-2002 Alcôve <www.alcove.com>
14 This driver enable the use of video4linux compatible applications with the
26 ------------------
40 http://r-engine.sourceforge.net/) (PCI vendor/device is 0x10cf/0x2011).
48 --------------
55 .. code-block:: none
59 gbufsize: size of each capture buffer, default is 614400
64 ----------
[all …]
/Documentation/devicetree/bindings/memory-controllers/
Darm,pl172.txt5 - compatible: Must be "arm,primecell" and exactly one from
8 - reg: Must contains offset/length value for controller.
10 - #address-cells: Must be 2. The partition number has to be encoded in the
11 first address cell and it may accept values 0..N-1
12 (N - total number of partitions). The second cell is the
15 - #size-cells: Must be set to 1.
17 - ranges: Must contain one or more chip select memory regions.
19 - clocks: Must contain references to controller clocks.
21 - clock-names: Must contain "mpmcclk" and "apb_pclk".
23 - clock-ranges: Empty property indicating that child nodes can inherit
[all …]
/Documentation/fb/
Dsstfb.rst8 This is a frame buffer device driver for 3dfx' Voodoo Graphics
33 You can apply the patches found in `sstfb/kernel/*-2.{2|4}.x.patch`,
35 `sstfb/patch-2.{2|4}.x-sstfb-yymmdd` to your linux source tree.
58 ----------------
64 white rectangle. why? the function's name is self-explanatory:
71 bind a tty to the new frame buffer. if you already have a frame
72 buffer driver, the voodoo fb will likely be /dev/fb1. if not,
80 --------------
84 bind the tty to the old frame buffer so the module can be removed.
91 ----------------------
[all …]
Dmodedb.rst6 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
17 When a frame buffer device receives a video= option it doesn't know, it should
18 consider that to be a video mode option. If no frame buffer device is specified
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
24 <name>[-<bpp>][@<refresh>]
37 Sample usage: 1024x768M@60m - CVT timing with margins
[all …]
/Documentation/x86/
Dmds.rst7 --------
12 - Microarchitectural Store Buffer Data Sampling (MSBDS) (CVE-2018-12126)
13 - Microarchitectural Fill Buffer Data Sampling (MFBDS) (CVE-2018-12130)
14 - Microarchitectural Load Port Data Sampling (MLPDS) (CVE-2018-12127)
15 - Microarchitectural Data Sampling Uncacheable Memory (MDSUM) (CVE-2019-11091)
17 MSBDS leaks Store Buffer Entries which can be speculatively forwarded to a
18 dependent load (store-to-load forwarding) as an optimization. The forward
21 buffers are partitioned between Hyper-Threads so cross thread forwarding is
23 buffer is repartitioned which can expose data from one thread to the other.
25 MFBDS leaks Fill Buffer Entries. Fill buffers are used internally to manage
[all …]
/Documentation/networking/device_drivers/freescale/dpaa2/
Doverview.rst16 DPAA2 is a hardware architecture designed for high-speeed network
18 processing Ethernet packets, queue management, buffer management,
23 DPAA2 hardware resources. The MC provides an object-based abstraction for
25 The MC uses DPAA2 hardware resources such as queues, buffer pools, and
28 The MC provides memory-mapped I/O command interfaces (MC portals)
34 +--------------------------------------+
38 +-----------------------------|--------+
44 +------------------------| mc portal |-+
46 | +- - - - - - - - - - - - -V- - -+ |
50 | +- - - - - - - - - - - - - - - -+ |
[all …]
/Documentation/virt/kvm/devices/
Ds390_flic.txt4 FLIC handles floating (non per-cpu) interrupts, i.e. I/O, service and some
5 machine check interruptions. All interrupts are stored in a per-vm list of
11 - add interrupts (KVM_DEV_FLIC_ENQUEUE)
12 - inspect currently pending interrupts (KVM_FLIC_GET_ALL_IRQS)
13 - purge all pending floating interrupts (KVM_DEV_FLIC_CLEAR_IRQS)
14 - purge one pending floating I/O interrupt (KVM_DEV_FLIC_CLEAR_IO_IRQ)
15 - enable/disable for the guest transparent async page faults
16 - register and modify adapter interrupt sources (KVM_DEV_FLIC_ADAPTER_*)
17 - modify AIS (adapter-interruption-suppression) mode state (KVM_DEV_FLIC_AISM)
18 - inject adapter interrupts on a specified adapter (KVM_DEV_FLIC_AIRQ_INJECT)
[all …]
Dvm.txt6 struct kvm_device_attr as other devices, but targets VM-wide settings
17 Returns: -EBUSY if a vcpu is already defined, otherwise 0
23 Returns: -EINVAL if CMMA was not enabled
30 Parameters: in attr->addr the address for the new limit of guest memory
31 Returns: -EFAULT if the given address is not accessible
32 -EINVAL if the virtual machine is of type UCONTROL
33 -E2BIG if the given guest memory is to big for that machine
34 -EBUSY if a vcpu is already defined
35 -ENOMEM if not enough memory is available for a new shadow guest mapping
59 Parameters: address of buffer to store the machine related cpu data
[all …]
/Documentation/devicetree/bindings/pinctrl/
Dpinctrl-bindings.txt4 such as pull-up/down, tri-state, drive-strength etc are designated as pin
15 need to reconfigure pins at run-time, for example to tri-state pins when the
47 pinctrl-0: List of phandles, each pointing at a pin configuration
65 pinctrl-1: List of phandles, each pointing at a pin configuration
68 pinctrl-n: List of phandles, each pointing at a pin configuration
70 pinctrl-names: The list of names to assign states. List entry 0 defines the
78 pinctrl-names = "active", "idle";
79 pinctrl-0 = <&state_0_node_a>;
80 pinctrl-1 = <&state_1_node_a &state_1_node_b>;
85 pinctrl-0 = <&state_0_node_a>;
[all …]
/Documentation/networking/device_drivers/chelsio/
Dcxgb.txt30 Adaptive Interrupts (adaptive-rx)
31 ---------------------------------
41 By default, adaptive-rx is disabled.
42 To enable adaptive-rx:
44 ethtool -C <interface> adaptive-rx on
46 To disable adaptive-rx, use ethtool:
48 ethtool -C <interface> adaptive-rx off
50 After disabling adaptive-rx, the timer latency value will be set to 50us.
51 You may set the timer latency after disabling adaptive-rx:
53 ethtool -C <interface> rx-usecs <microseconds>
[all …]
/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
37 * Double Speed -- 1..32 channels
40 Note: Choosing the 56-channel mode for
41 transmission/receive-mode , only 28 are transmitted/received
[all …]
/Documentation/hid/
Dintel-ish-hid.rst6 processing to a dedicated low power co-processor. This allows the core
27 ----------------- ----------------------
28 | USB HID | --> | ISH HID |
29 ----------------- ----------------------
30 ----------------- ----------------------
31 | USB protocol | --> | ISH Transport |
32 ----------------- ----------------------
33 ----------------- ----------------------
34 | EHCI/XHCI | --> | ISH IPC |
35 ----------------- ----------------------
[all …]
/Documentation/ABI/testing/
Dsysfs-class-mic8 PCIe form factor add-in Coprocessor card based on the Intel Many
26 MIC device. For example - "x100"
34 MIC device. For example - "A0" or "B0"
44 "ready" - The MIC device is ready to boot the card OS. On
48 "booting" - The MIC device has initiated booting a card OS.
49 "online" - The MIC device has completed boot and is online
50 "shutting_down" - The card OS is shutting down.
51 "resetting" - A reset has been initiated for the MIC device
52 "reset_failed" - The MIC device has failed to reset.
57 "boot" - Boot the card OS image specified by the combination
[all …]
/Documentation/trace/
Devents.rst17 tracing information is saved into the tracing buffer, and how the
24 ---------------------------------
29 To enable a particular event, such as 'sched_wakeup', simply echo it
45 To enable all events, echo ``*:*`` or ``*:`` to the set_event file::
53 ``<subsystem>:*``; for example, to enable all irq events, you can use the
58 2.2 Via the 'enable' toggle
59 ---------------------------
64 To enable event 'sched_wakeup'::
66 # echo 1 > /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
70 # echo 0 > /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
[all …]
Dintel_th.rst1 .. SPDX-License-Identifier: GPL-2.0
8 --------
23 - Software Trace Hub (STH), trace source, which is a System Trace
25 - Memory Storage Unit (MSU), trace output, which allows storing
27 - Parallel Trace Interface output (PTI), trace output to an external
29 - Global Trace Hub (GTH), which is a switch and a central component
33 Documentation/ABI/testing/sysfs-bus-intel_th-output-devices, the most
39 description is at Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth.
46 buffer, which can later on be read from its device nodes via read() or
53 [1] https://software.intel.com/sites/default/files/managed/d3/3c/intel-th-developer-manual.pdf
[all …]
/Documentation/admin-guide/hw-vuln/
Dspectre.rst1 .. SPDX-License-Identifier: GPL-2.0
14 -------------------
22 - Intel Core, Atom, Pentium, and Xeon processors
24 - AMD Phenom, EPYC, and Zen processors
26 - IBM POWER and zSeries processors
28 - Higher end ARM processors
30 - Apple CPUs
32 - Higher end MIPS CPUs
34 - Likely most other high performance CPUs. Contact your CPU vendor for details.
40 ------------
[all …]
/Documentation/networking/
Dudplite.txt2 The UDP-Lite protocol (RFC 3828)
6 UDP-Lite is a Standards-Track IETF transport protocol whose characteristic
7 is a variable-length checksum. This has advantages for transport of multimedia
12 For in-depth information, you can consult:
14 o The UDP-Lite Homepage:
15 http://web.archive.org/web/*/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/
18 o The UDP-Lite HOWTO on
19 http://web.archive.org/web/*/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/
20 files/UDP-Lite-HOWTO.txt
22 o The Wireshark UDP-Lite WiKi (with capture files):
[all …]
Dip-sysctl.txt3 ip_forward - BOOLEAN
4 0 - disabled (default)
5 not 0 - enabled
13 ip_default_ttl - INTEGER
18 ip_no_pmtu_disc - INTEGER
20 fragmentation-required ICMP is received, the PMTU to this
30 accept fragmentation-needed errors if the underlying protocol
40 Possible values: 0-3
43 min_pmtu - INTEGER
44 default 552 - minimum discovered Path MTU
[all …]
/Documentation/driver-api/fpga/
Dfpga-programming.rst1 In-kernel API for FPGA Programming
5 --------
7 The in-kernel API for FPGA programming is a combination of APIs from
18 * program the FPGA using info passed in :c:member:`fpga_region->info`.
19 * re-enable the bridges
27 -------------------------------------
34 #include <linux/fpga/fpga-mgr.h>
35 #include <linux/fpga/fpga-region.h>
46 return -ENOMEM;
49 info->flags = FPGA_MGR_PARTIAL_RECONFIG;
[all …]

12345678