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/linux-6.8/Documentation/admin-guide/media/
Dqcom_camss.rst1 .. SPDX-License-Identifier: GPL-2.0
9 ------------
25 ----------------------------------
30 - 2 / 3 CSIPHY modules. They handle the Physical layer of the CSI2 receivers.
31 A separate camera sensor can be connected to each of the CSIPHY module;
32 - 2 / 4 CSID (CSI Decoder) modules. They handle the Protocol and Application
36 - ISPIF (ISP Interface) module. Handles the routing of the data streams from
38 - 1 / 2 VFE (Video Front End) module(s). Contain a pipeline of image processing
41 processing pipeline contains also a scale and crop module at the end. Three
48 -----------------------
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/linux-6.8/Documentation/devicetree/bindings/net/
Dkeystone-netcp.txt6 switch sub-module to send and receive packets. NetCP also includes a packet
7 accelerator (PA) module to perform packet classification operations such as
13 includes a 3-port Ethernet switch sub-module capable of 10Gb/s and 1Gb/s rates
16 Keystone NetCP driver has a plug-in module architecture where each of the NetCP
17 sub-modules exist as a loadable kernel module which plug in to the netcp core.
18 These sub-modules are represented as "netcp-devices" in the dts bindings. It is
19 mandatory to have the ethernet switch sub-module for the ethernet interface to
20 be operational. Any other sub-module like the PA is optional.
24 -----------------------------
26 -----------------------------
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/linux-6.8/drivers/soc/ti/
Dpruss.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * PRU-ICSS Subsystem user interfaces
5 * Copyright (C) 2015-2023 Texas Instruments Incorporated - http://www.ti.com
50 * pruss_cfg_read() - read a PRUSS CFG sub-module register
52 * @reg: register offset within the CFG sub-module
55 * Reads a given register within the PRUSS CFG sub-module and
56 * returns it through the passed-in @val pointer
63 return -EINVAL; in pruss_cfg_read()
65 return regmap_read(pruss->cfg_regmap, reg, val); in pruss_cfg_read()
69 * pruss_cfg_update() - configure a PRUSS CFG sub-module register
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 tristate "Keystone Queue Manager Sub System"
16 Manager support. The Queue Manager is a hardware module that
18 Packets are queued/de-queued by writing/reading descriptor address
19 to a particular memory mapped location in the Queue Manager module.
29 Queue Manager Sub System.
40 c-states on AM335x. Also required for rtc and ddr in self-refresh low
44 tristate "TI AMx3 Wkup-M3 IPC Driver"
54 tristate "K3 Ring accelerator Sub System"
58 Say y here to support the K3 Ring accelerator module.
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/linux-6.8/Documentation/devicetree/bindings/gpio/
Dsprd,gpio-eic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/gpio/sprd,gpio-eic.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Orson Zhai <orsonzhai@gmail.com>
12 - Baolin Wang <baolin.wang7@gmail.com>
13 - Chunyan Zhang <zhang.lyra@gmail.com>
19 controller contains 4 sub-modules, i.e. EIC-debounce, EIC-latch, EIC-async and
20 EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub-
21 module.
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/linux-6.8/Documentation/userspace-api/netlink/
Dnetlink-raw.rst1 .. SPDX-License-Identifier: BSD-3-Clause
8 families such as ``NETLINK_ROUTE`` which use the ``netlink-raw`` protocol
14 The netlink-raw schema extends the :doc:`genetlink-legacy <genetlink-legacy>`
17 information. The raw netlink families also make use of type-specific
18 sub-messages.
21 -------
29 .. code-block:: yaml
31 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
33 name: rt-addr
34 protocol: netlink-raw
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/linux-6.8/Documentation/driver-api/media/
Dv4l2-subdev.rst1 .. SPDX-License-Identifier: GPL-2.0
3 V4L2 sub-devices
4 ----------------
6 Many drivers need to communicate with sub-devices. These devices can do all
8 encoding or decoding. For webcams common sub-devices are sensors and camera
12 driver with a consistent interface to these sub-devices the
13 :c:type:`v4l2_subdev` struct (v4l2-subdev.h) was created.
15 Each sub-device driver must have a :c:type:`v4l2_subdev` struct. This struct
16 can be stand-alone for simple sub-devices or it might be embedded in a larger
18 low-level device struct (e.g. ``i2c_client``) that contains the device data as
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/linux-6.8/scripts/
Dexport_report.pl2 # SPDX-License-Identifier: GPL-2.0-only
7 # Usage: export_report.pl -k Module.symvers [-o report_file ] -f *.mod.c
14 sub numerically {
20 sub alphabetically {
26 sub print_depends_on {
30 my $list = $href->{$mod};
34 printf("\t\t%-25s\n", $symbol);
42 sub usage {
43 print "Usage: @_ -h -k Module.symvers [ -o outputfile ] \n",
44 "\t-f: treat all the non-option argument as .mod.c files. ",
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Dgenerate_initcall_order.pl2 # SPDX-License-Identifier: GPL-2.0
18 my $jobs = {}; # child process pid -> file handle
20 my $results = {}; # object index -> [ { level, secname }, ... ]
24 sub get_online_processors {
39 sub write_results {
45 my $level = $initcalls->{$counter}->{'level'};
48 my $secname = $initcalls->{$counter}->{'module'} . '__' .
50 $initcalls->{$counter}->{'line'} . '_' .
51 $initcalls->{$counter}->{'function'};
58 sub read_results{
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Dmarkup_oops.pl2 # SPDX-License-Identifier: GPL-2.0-only
22 'cross-compile|c=s' => \$cross_compile,
23 'module|m=s' => \$modulefile,
28 my $kerver = `uname -r`;
39 my $module = "";
46 sub parse_x86_regs
49 if ($line =~ /EAX: ([0-9a-f]+) EBX: ([0-9a-f]+) ECX: ([0-9a-f]+) EDX: ([0-9a-f]+)/) {
55 if ($line =~ /ESI: ([0-9a-f]+) EDI: ([0-9a-f]+) EBP: ([0-9a-f]+) ESP: ([0-9a-f]+)/) {
60 if ($line =~ /RAX: ([0-9a-f]+) RBX: ([0-9a-f]+) RCX: ([0-9a-f]+)/) {
65 if ($line =~ /RDX: ([0-9a-f]+) RSI: ([0-9a-f]+) RDI: ([0-9a-f]+)/) {
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/linux-6.8/Documentation/driver-api/media/drivers/ccs/
Dccs.rst1 .. SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
9 <https://www.mipi.org/specifications/camera-command-set>`_ compliant
10 camera sensors. It exposes three sub-devices representing the pixel array,
16 Pixel Array sub-device
17 ----------------------
19 The pixel array sub-device represents the camera sensor's pixel matrix, as well
26 ------
28 The binner sub-device represents the binning functionality on the sensor. For
37 ------
39 The scaler sub-device represents the digital crop and scaling functionality of
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/linux-6.8/drivers/misc/vmw_vmci/
Dvmci_event.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/module.h>
55 * to unload the driver module. in vmci_event_exit()
58 list_del(&cur->node); in vmci_event_exit()
74 if (cur->id == sub_id) in event_find()
91 subscriber_list = &subscriber_array[event_msg->event_data.event]; in event_deliver()
93 cur->callback(cur->id, &event_msg->event_data, in event_deliver()
94 cur->callback_data); in event_deliver()
107 if (msg->payload_size < sizeof(u32) || in vmci_event_dispatch()
108 msg->payload_size > sizeof(struct vmci_event_data_max)) in vmci_event_dispatch()
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/linux-6.8/Documentation/devicetree/bindings/pci/
Dsnps,dw-pcie-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/snps,dw-pcie-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jingoo Han <jingoohan1@gmail.com>
11 - Gustavo Pimentel <gustavo.pimentel@synopsys.com>
23 Interface - DBI. In accordance with the reference manual the register
24 configuration space belongs to the Configuration-Dependent Module (CDM)
25 and is split up into several sub-parts Standard PCIe configuration
26 space, Port Logic Registers (PL), Shadow Config-space Registers,
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/linux-6.8/arch/x86/include/asm/
Dintel_scu_ipc.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * struct intel_scu_ipc_data - Data used to configure SCU IPC
23 struct module *owner);
33 struct module *owner);
55 int sub);
57 int sub, const void *in, size_t inlen,
61 int sub, const void *in, size_t inlen, in intel_scu_ipc_dev_command() argument
64 return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen, in intel_scu_ipc_dev_command()
/linux-6.8/net/tipc/
Dtopsrv.c4 * Copyright (c) 2012-2013, Wind River Systems
5 * Copyright (c) 2017-2018, Ericsson AB
45 #include <linux/module.h>
56 * struct tipc_topsrv - TIPC server structure
80 * struct tipc_conn - TIPC connection structure
121 return con && test_bit(CF_CONNECTED, &con->flags); in connected()
127 struct tipc_topsrv *s = con->server; in tipc_conn_kref_release()
130 spin_lock_bh(&s->idr_lock); in tipc_conn_kref_release()
131 idr_remove(&s->conn_idr, con->conid); in tipc_conn_kref_release()
132 s->idr_in_use--; in tipc_conn_kref_release()
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/linux-6.8/include/media/
Dv4l2-async.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
22 * enum v4l2_async_match_type - type of asynchronous subdevice logic to be used
37 * struct v4l2_async_match_desc - async connection match information
65 * struct v4l2_async_connection - sub-device connection descriptor, as known to
68 * @match: struct of match type and per-bus type matching data sets
73 * @sd: the related sub-device
88 * struct v4l2_async_notifier_operations - Asynchronous V4L2 notifier operations
89 * @bound: a sub-device has been bound by the given connection
107 * struct v4l2_async_notifier - v4l2_device notifier data
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/linux-6.8/Documentation/sound/designs/
Dprocfile.rst15 card-specific files are stored in the ``card*`` subdirectories.
29 Lists the module of each card
40 ``<card>-<device>: <name>``
44 ``<card>-<device>: <id>: <name> : <sub-streams>``
61 The card-specific files are found in ``/proc/asound/card*`` directories.
78 When the OSS mixer emulation is enabled (and the module is loaded),
81 mapping by writing to this device. Read OSS-Emulation.txt for
123 ``card*/pcm*/sub*/info``
124 The general information of this PCM sub-stream.
126 ``card*/pcm*/sub*/status``
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/linux-6.8/drivers/media/pci/bt8xx/
Dbttv-gpio.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 bttv-gpio.c -- gpio sub drivers
6 sysfs-based sub driver interface for bttv
10 Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
11 & Marcus Metzler (mocm@thp.uni-koeln.de)
12 (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
19 #include <linux/module.h>
28 /* ----------------------------------------------------------------------- */
33 struct bttv_sub_driver *sub = to_bttv_sub_drv(drv); in bttv_sub_bus_match() local
34 int len = strlen(sub->wanted); in bttv_sub_bus_match()
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/linux-6.8/scripts/kconfig/
Dstreamline_config.pl2 # SPDX-License-Identifier: GPL-2.0
4 # Copyright 2005-2009 - Steven Rostedt
38 # cd /usr/src/linux-2.6.10
39 # cp /boot/config-2.6.10-1-686-smp .config
54 sub dprint {
59 my $uname = `uname -r`;
72 "file" => "/boot/config-$uname",
76 "file" => "/boot/vmlinuz-$uname",
77 "exec" => "scripts/extract-ikconfig",
78 "test" => "scripts/extract-ikconfig",
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/linux-6.8/Documentation/userspace-api/media/v4l/
Dopen.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
22 the hardware, which may also expose device nodes, called V4L2 sub-devices.
24 When such V4L2 sub-devices are exposed, they allow controlling those
25 other hardware components - usually connected via a serial bus (like
26 I²C, SMBus or SPI). Depending on the bridge driver, those sub-devices
29 :ref:`V4L2 sub-devices <subdev>`.
32 :ref:`Media Controller <media_controller>` are called **MC-centric**
34 are called **video-node-centric**.
36 Userspace can check if a V4L2 hardware peripheral is MC-centric by
38 :ref:`device_caps field <device-capabilities>`.
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/linux-6.8/sound/soc/uniphier/
Daio-dma.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
7 #include <linux/dma-mapping.h>
10 #include <linux/module.h>
28 static void aiodma_pcm_irq(struct uniphier_aio_sub *sub) in aiodma_pcm_irq() argument
30 struct snd_pcm_runtime *runtime = sub->substream->runtime; in aiodma_pcm_irq()
31 int bytes = runtime->period_size * in aiodma_pcm_irq()
32 runtime->channels * samples_to_bytes(runtime, 1); in aiodma_pcm_irq()
35 spin_lock(&sub->lock); in aiodma_pcm_irq()
36 ret = aiodma_rb_set_threshold(sub, runtime->dma_bytes, in aiodma_pcm_irq()
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/linux-6.8/Documentation/devicetree/bindings/soc/ti/
Dti,pruss.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 TI Programmable Real-Time Unit and Industrial Communication Subsystem
11 - Suman Anna <s-anna@ti.com>
15 The Programmable Real-Time Unit and Industrial Communication Subsystem
16 (PRU-ICSS a.k.a. PRUSS) is present on various TI SoCs such as AM335x, AM437x,
17 Keystone 66AK2G, OMAP-L138/DA850 etc. A PRUSS consists of dual 32-bit RISC
18 cores (Programmable Real-Time Units, or PRUs), shared RAM, data and
23 peripheral interfaces, fast real-time responses, or specialized data handling.
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/linux-6.8/tools/perf/Documentation/
Dperf-script-perl.txt1 perf-script-perl(1)
5 ----
6 perf-script-perl - Process trace data with a Perl script
9 --------
11 'perf script' [-s [Perl]:script[.pl] ]
14 -----------
17 built-in Perl interpreter. It reads and processes the input file and
22 ---------------
25 -g perl' in the same directory as an existing perf.data trace file.
31 ~/libexec/perf-core/scripts/perl for typical examples showing how to
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/linux-6.8/drivers/media/dvb-frontends/
Dtc90522.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * The demod has 4 input (2xISDB-T and 2xISDB-S),
10 * and provides independent sub modules for each input.
11 * As the sub modules work in parallel and have the separate i2c addr's,
12 * this driver treats each sub module as one demod device.
/linux-6.8/drivers/base/
Dauxiliary.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2019-2020 Intel Corporation
5 * Please see Documentation/driver-api/auxiliary_bus.rst for more information.
13 #include <linux/module.h>
28 * Virtual Function management). A split of the functionality into child-
29 * devices representing sub-domains of functionality makes it possible to
30 * compartmentalize, layer, and distribute domain-specific concerns via a Linux
31 * device-driver model.
38 * and focused on hardware-specific control and communication.
42 * an auxiliary_device within other domain-specific structures and the use of
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