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/Linux-v6.1/include/linux/usb/
Dserial.h1 // SPDX-License-Identifier: GPL-2.0
3 * USB Serial Converter stuff
5 * Copyright (C) 1999 - 2012
6 * Greg Kroah-Hartman (greg@kroah.com)
14 #include <linux/serial.h>
17 /* The maximum number of ports one device can grab at once */
20 /* USB serial flags */
26 * @serial: pointer back to the struct usb_serial owner of this port.
29 * @minor: the minor number of the port
30 * @port_number: the struct usb_serial port number of this port (starts at 0)
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Diowarrior.h1 /* SPDX-License-Identifier: GPL-2.0 */
22 /* the serial number of our chip (if a serial-number is not available
24 __u8 serial[9]; member
25 /* revision number of the chip */
27 /* USB-speed of the device (0=UNKNOWN, 1=LOW, 2=FULL 3=HIGH) */
31 /* the number of the endpoint */
33 /* size of the data-packets on this interface */
38 Get some device-information (product-id , serial-number etc.)
/Linux-v6.1/drivers/tty/serial/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
3 # Serial device configuration
6 menu "Serial drivers"
14 the console before standard serial driver is probed. The console is
17 source "drivers/tty/serial/8250/Kconfig"
19 comment "Non-8250 serial port support"
22 tristate "ARM AMBA PL010 serial port support"
33 bool "Support for console on AMBA serial port"
49 tristate "ARM AMBA PL011 serial port support"
60 bool "Support for console on AMBA serial port"
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/Linux-v6.1/Documentation/networking/devlink/
Ddevlink-info.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
7 The ``devlink-info`` mechanism enables device drivers to report device
10 The original motivation for the ``devlink-info`` API was twofold:
12 - making it possible to automate device and firmware management in a fleet
13 of machines in a vendor-independent fashion (see also
14 :ref:`Documentation/networking/devlink/devlink-flash.rst <devlink_flash>`);
15 - name the per component FW versions (as opposed to the crowded ethtool
18 ``devlink-info`` supports reporting multiple types of objects. Reporting driver
19 versions is generally discouraged - here, and via any other Linux API.
21 .. list-table:: List of top level info objects
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/Linux-v6.1/drivers/usb/serial/
Dvisor.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 1999 - 2004
7 * Greg Kroah-Hartman (greg@kroah.com)
9 * See Documentation/usb/usb-serial.rst for more information on using this
25 #include <linux/usb/serial.h>
32 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>"
38 static int visor_probe(struct usb_serial *serial,
40 static int visor_calc_num_ports(struct usb_serial *serial,
42 static int clie_5_calc_num_ports(struct usb_serial *serial,
45 static int clie_3_5_startup(struct usb_serial *serial);
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Dsierra.c1 // SPDX-License-Identifier: GPL-2.0
30 #include <linux/usb/serial.h>
41 #define MAX_TRANSFER (PAGE_SIZE - 512)
43 allocations > PAGE_SIZE and the number of packets in a page
50 size_t count; /* number of elements in array */
84 static int sierra_calc_num_ports(struct usb_serial *serial, in sierra_calc_num_ports() argument
90 ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; in sierra_calc_num_ports()
91 numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints; in sierra_calc_num_ports()
99 num_ports = (numendpoints-1)/2; in sierra_calc_num_ports()
110 for (i = 0; i < list->count; i++) { in is_listed()
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Dmos7720.c1 // SPDX-License-Identifier: GPL-2.0
4 * Controls the Moschip 7720 usb to dual port serial converter
14 * Greg Kroah-Hartman <gregkh@suse.de>
16 * Originally based on drivers/usb/serial/io_edgeport.c which is:
18 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
28 #include <linux/serial.h>
31 #include <linux/usb/serial.h>
36 #define DRIVER_DESC "Moschip USB Serial Driver"
55 /* This structure holds all of the local serial port information */
85 PPF = 2<<5, /* moschip calls this 'CB-FIFO mode */
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/Linux-v6.1/include/linux/
Dpadata.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * padata.h - header for the padata parallelization interface
26 * struct padata_priv - Represents one job
31 * @seq_nr: Sequence number of the parallelized data object.
32 * @info: Used to pass information from the parallel to the serial function.
34 * @serial: Serial complete function.
43 void (*serial)(struct padata_priv *padata); member
47 * struct padata_list - one per work type per CPU
58 * struct padata_serial_queue - The percpu padata serial queue
60 * @serial: List to wait for serialization after reordering.
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Dqcom-geni-se.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
12 * enum geni_se_xfer_mode: Transfer modes supported by Serial Engines
17 * @GENI_SE_DMA: Serial Engine DMA mode. Data is transferred
31 /* Protocols supported by GENI Serial Engines */
55 * struct geni_se - GENI Serial Engine
56 * @base: Base Address of the Serial Engine's register block
57 * @dev: Pointer to the Serial Engine device
59 * @clk: Handle to the core serial engine clock
60 * @num_clk_levels: Number of valid clock levels in clk_perf_tbl
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/Linux-v6.1/drivers/tty/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
8 TTY is required for any text terminals or serial port
23 one can be used for a text-mode user session, and a third could run
25 is done with certain key combinations, usually Alt-<function key>.
38 memory; the only way to log into such a system is then via a serial
42 shiny Linux system :-)
62 the kernel messages be output only to a serial port (in which case
63 you should say Y to "Console on serial port", below).
95 See <file:Documentation/driver-api/console.rst> for more
110 Linux has traditionally used the BSD-like names /dev/ptyxx for
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/Linux-v6.1/Documentation/admin-guide/
Ddevices.txt1 0 Unnamed devices (e.g. non-device mounts)
2 0 = reserved as null device number
7 2 = /dev/kmem OBSOLETE - replaced by /proc/kcore
11 6 = /dev/core OBSOLETE - replaced by /proc/kcore
13 8 = /dev/random Nondeterministic random number gen.
14 9 = /dev/urandom Faster, less secure random number gen.
18 12 = /dev/oldmem OBSOLETE - replaced by /proc/vmcore
31 2 char Pseudo-TTY masters
37 Pseudo-tty's are named as follows:
40 the 1st through 16th series of 16 pseudo-ttys each, and
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/Linux-v6.1/Documentation/filesystems/
Dqnx6.rst1 .. SPDX-License-Identifier: GPL-2.0
29 ------
39 ---------------
42 Each qnx6fs got two superblocks, each one having a 64bit serial number.
43 That serial number is used to identify the "active" superblock.
45 serial of the new master superblock is increased (old superblock serial + 1)
48 update of the serial number. Before updating that serial, all modifications
65 Unused block pointers are always set to ~0 - regardless of root node,
75 information (total number of filesystem blocks) or by taking the highest
79 0x1000 is the size reserved for each superblock - regardless of the
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/Linux-v6.1/net/rxrpc/
Dprotocol.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
11 typedef u32 rxrpc_seq_t; /* Rx message sequence number */
12 typedef u32 rxrpc_serial_t; /* Rx message serial number */
13 typedef __be32 rxrpc_seq_net_t; /* on-the-wire Rx message sequence number */
14 typedef __be32 rxrpc_serial_net_t; /* on-the-wire Rx message serial number */
18 * on-the-wire Rx packet header
19 * - all multibyte fields should be in network byte order
23 #define RXRPC_RANDOM_EPOCH 0x80000000 /* Random if set, date-based if not */
27 #define RXRPC_CHANNELMASK (RXRPC_MAXCALLS-1) /* mask for channel ID */
32 __be32 callNumber; /* call ID (0 for connection-level packets) */
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/Linux-v6.1/drivers/tty/serial/8250/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
3 # The 8250/16550 serial drivers. You shouldn't be in this list unless
8 tristate "8250/16550 and compatible serial support"
14 serial ports. The standard answer is Y. People who might say N
17 serial mouse and don't intend to use their machine's standard serial
23 non-standard serial ports, since the configuration information will
27 BTW1: If you have a mouseman serial mouse which is not recognized by
34 Most people will say Y or M here, so that they can use serial mice,
35 modems and similar devices connecting to the standard serial ports.
51 If you did not notice yet and/or you have userspace from pre-3.7, it
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/Linux-v6.1/sound/drivers/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
50 tristate "PC-Speaker support (READ HELP!)"
60 You can compile this as a module which will be called snd-pcsp.
65 pc-speaker a default sound device. Which is likely not
69 options snd-pcsp index=2
71 You don't need this driver if you only want your pc-speaker to beep.
90 will be called snd-dummy.
99 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the playback PCM device and second
101 number is the capture device. Module creates two PCM devices and
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/Linux-v6.1/arch/powerpc/
DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0
4 bool "Don't build arch/powerpc code with -Werror"
7 arch/powerpc with the -Werror flag (which means warnings
32 Adds code to keep track of the number of hypervisor calls made and
46 Adds code to keep track of the number of instructions that are
47 emulated by the in-kernel emulator. Counters for the various classes
51 powerpc/emulated_instructions/do_warn in debugfs), rate-limited
56 bool "Run self-tests of the code-patching code"
78 bool "Run self-tests of the feature-fixup code"
82 bool "Run self-tests of the MSI bitmap code"
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/Linux-v6.1/drivers/gpu/drm/amd/amdgpu/
Damdgpu_fru_eeprom.c40 struct atom_context *atom_ctx = adev->mode_info.atom_context; in is_fru_eeprom_supported()
48 /* VBIOS is of the format ###-DXXXYYYY-##. For SKU identification, in is_fru_eeprom_supported()
54 switch (adev->asic_type) { in is_fru_eeprom_supported()
57 if (strnstr(atom_ctx->vbios_version, "D161", in is_fru_eeprom_supported()
58 sizeof(atom_ctx->vbios_version)) || in is_fru_eeprom_supported()
59 strnstr(atom_ctx->vbios_version, "D163", in is_fru_eeprom_supported()
60 sizeof(atom_ctx->vbios_version))) in is_fru_eeprom_supported()
68 if (strnstr(atom_ctx->vbios_version, "D603", in is_fru_eeprom_supported()
69 sizeof(atom_ctx->vbios_version))) { in is_fru_eeprom_supported()
70 if (strnstr(atom_ctx->vbios_version, "D603GLXE", in is_fru_eeprom_supported()
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/Linux-v6.1/Documentation/sound/cards/
Dserial-u16550.rst2 Serial UART 16450/16550 MIDI driver
7 * 0 - Roland Soundcanvas support (default)
8 * 1 - Midiator MS-124T support (1)
9 * 2 - Midiator MS-124W S/A mode (2)
10 * 3 - MS-124W M/B mode support (3)
11 * 4 - Generic device with multiple input support (4)
13 For the Midiator MS-124W, you must set the physical M-S and A-B
17 (midiCnD0-midiCnD15). Whenever you write to a different substream, the driver
19 number plus 1. Roland modules use this command to switch between different
24 Usage example for simple serial converter:
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/Linux-v6.1/drivers/auxdisplay/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
22 This is the base system for character-based LCD displays.
31 This is the core support for single-line character displays, to be
66 and built-in as well (Y).
121 If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series,
125 check Documentation/admin-guide/auxdisplay/cfag12864b.rst
211 Say Y here if you have an HD44780 or KS-0074 LCD connected to your
212 parallel port. This driver also features 4 and 6-key keypads. The LCD
221 int "Default parallel port number (0=LPT1)"
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/Linux-v6.1/Documentation/devicetree/bindings/pinctrl/
Dmicrochip,sparx5-sgpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/microchip,sparx5-sgpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microsemi/Microchip Serial GPIO controller
10 - Lars Povlsen <lars.povlsen@microchip.com>
13 By using a serial interface, the SIO controller significantly extend
14 the number of available GPIOs with a minimum number of additional
21 pattern: "^gpio@[0-9a-f]+$"
25 - microchip,sparx5-sgpio
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/Linux-v6.1/arch/parisc/include/asm/
Dsuperio.h1 /* SPDX-License-Identifier: GPL-2.0 */
12 #define SIO_SP1BAR 0x94 /* Serial 1 BAR */
13 #define SIO_SP2BAR 0x98 /* Serial 2 BAR */
20 #define CFG_IR_SER 0x69 /* Serial 1 [0:3] and Serial 2 [4:7] */
34 #define OCW2_EOI 0x20 /* Non-specific EOI */
42 #define SP1_IRQ 3 /* Serial port 1 */
43 #define SP2_IRQ 4 /* Serial port 2 */
74 #define SUPERIO_IDE_FN 0 /* Function number of IDE controller */
75 #define SUPERIO_LIO_FN 1 /* Function number of Legacy IO controller */
76 #define SUPERIO_USB_FN 2 /* Function number of USB controller */
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/Linux-v6.1/Documentation/driver-api/tty/
Dn_gsm.rst10 https://www.3gpp.org/ftp/Specs/archive/07_series/07.10/0710-720.zip
13 modems connected to a physical serial port.
19 ----------------
22 its serial port. Depending on the modem used, you can pass more or less
25 #. Switch the serial line to using the n_gsm line discipline by using
30 #. Obtain base gsmtty number for the used serial port.
33 (a good starting point is util-linux-ng/sys-utils/ldattach.c)::
48 /* open the serial port connected to the modem */
51 /* configure the serial port : speed, flow control ... */
83 #. Use these devices as plain serial ports.
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/Linux-v6.1/Documentation/userspace-api/media/mediactl/
Dmedia-ioc-device-info.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 MEDIA_IOC_DEVICE_INFO - Query device information
44 .. flat-table:: struct media_device_info
45 :header-rows: 0
46 :stub-columns: 0
49 * - char
50 - ``driver``\ [16]
51 - Name of the driver implementing the media API as a NUL-terminated
59 * - char
60 - ``model``\ [32]
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/Linux-v6.1/Documentation/devicetree/bindings/sound/
Dfsl,esai.txt1 Freescale Enhanced Serial Audio Interface (ESAI) Controller
3 The Enhanced Serial Audio Interface (ESAI) provides a full-duplex serial port
4 for serial communication with a variety of serial devices, including industry
10 - compatible : Compatible list, should contain one of the following
12 "fsl,imx35-esai",
13 "fsl,vf610-esai",
14 "fsl,imx6ull-esai",
15 "fsl,imx8qm-esai",
17 - reg : Offset and length of the register set for the device.
19 - interrupts : Contains the spdif interrupt.
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/Linux-v6.1/Documentation/devicetree/bindings/serial/
Dxlnx,opb-uartlite.yaml1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/serial/xlnx,opb-uartlite.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Korsgaard <jacmet@sunsite.dk>
16 - xlnx,xps-uartlite-1.00.a
17 - xlnx,opb-uartlite-1.00.b
25 port-number:
27 description: Set Uart port number
32 clock-names:
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