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/linux-6.14.4/Documentation/devicetree/bindings/serial/
Dpl011.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <[email protected]>
13 - $ref: /schemas/arm/primecell.yaml#
14 - $ref: serial.yaml#
22 - arm,pl011
24 - compatible
29 - const: arm,pl011
30 - const: arm,primecell
[all …]
/linux-6.14.4/drivers/net/ethernet/intel/igc/
Digc_phy.c1 // SPDX-License-Identifier: GPL-2.0
8 * igc_check_reset_block - Check if PHY reset is blocked
26 * igc_get_phy_id - Retrieve the PHY ID and revision
34 struct igc_phy_info *phy = &hw->phy; in igc_get_phy_id()
38 ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id); in igc_get_phy_id()
42 phy->id = (u32)(phy_id << 16); in igc_get_phy_id()
44 ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id); in igc_get_phy_id()
48 phy->id |= (u32)(phy_id & PHY_REVISION_MASK); in igc_get_phy_id()
49 phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); in igc_get_phy_id()
56 * igc_phy_has_link - Polls PHY for link
[all …]
/linux-6.14.4/Documentation/userspace-api/
Dntsync.rst5 This page documents the user-space API for the ntsync driver.
8 primitives by user-space NT emulators. It exists because implementation
9 in user-space, using existing tools, cannot match Windows performance
15 interfaces such as futex(2) and poll(2).
23 A semaphore holds a single volatile 32-bit counter, and a static 32-bit
30 A mutex holds a volatile 32-bit recursion count, and a volatile 32-bit
50 are two types of events, auto-reset and manual-reset. An auto-reset
51 event is designaled when a wait is satisfied; a manual-reset event is
111 .. list-table::
113 * - ``count``
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/linux-6.14.4/Documentation/hid/
Dhid-sensor.rst26 Logical Minimum(-32767)
35 The report is indicating "sensor page (0x20)" contains an accelerometer-3D (0x73).
36 This accelerometer-3D has some fields. Here for example field 2 is motion intensity
37 (0x045f) with a logical minimum value of -32767 and logical maximum of 32767. The
51 - Core HID driver
52 - Individual sensor processing part (sensor drivers)
55 -----------
56 The core driver (hid-sensor-hub) registers as a HID driver. It parses
58 with name HID-SENSOR-xxxx (where xxxx is usage id from the specification).
62 HID-SENSOR-200073 is registered for an Accelerometer 3D driver.
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/linux-6.14.4/Documentation/userspace-api/netlink/
Dintro-specs.rst1 .. SPDX-License-Identifier: BSD-3-Clause
21 - ``--spec`` - point to the spec file
22 - ``--do $name`` / ``--dump $name`` - issue request ``$name``
23 - ``--json $attrs`` - provide attributes for the request
24 - ``--subscribe $group`` - receive notifications from ``$group``
30 $ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/ethtool.yaml \
31 --do rings-get \
32 --json '{"header":{"dev-index": 18}}'
33 {'header': {'dev-index': 18, 'dev-name': 'eni1np1'},
35 'rx-jumbo': 0,
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/linux-6.14.4/Documentation/misc-devices/
Dxilinx_sdfec.rst1 .. SPDX-License-Identifier: GPL-2.0+
4 Xilinx SD-FEC Driver
10 This driver supports SD-FEC Integrated Block for Zynq |Ultrascale+ (TM)| RFSoCs.
15 …f SD-FEC core features, see the `SD-FEC Product Guide (PG256) <https://www.xilinx.com/cgi-bin/docs…
19 - Retrieval of the Integrated Block configuration and status information
20 - Configuration of LDPC codes
21 - Configuration of Turbo decoding
22 - Monitoring errors
24 Missing features, known issues, and limitations of the SD-FEC driver are as
27 - Only allows a single open file handler to any instance of the driver at any time
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/linux-6.14.4/include/linux/
Dhil.h5 * Hewlett Packard Human Interface Loop (HP-HIL) Protocol -- header.
33 * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
57 * implementing a software MLC to run HIL devices on a non-parisc machine.
109 HIL_ERR_OB = 0x00000800, /* MLC is busy sending an auto-poll,
114 HIL_ERR_LERR = 0x00040000, /* A poll didn't come back. */
131 /* This gives us a 32-bit "packet"
140 HIL_CMD_EPT = 0x01, /* Enter Pass-Thru Mode */
141 HIL_CMD_ELB = 0x02, /* Enter Loop-Back Mode */
147 HIL_CMD_ACF = 0x08, /* Auto Configure */
148 HIL_CMDID_ACF = 0x07, /* Auto Configure bits with incremented ID */
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/linux-6.14.4/include/sound/
Dtimer.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 * Abramo Bagnara <abramo@alsa-project.org>
14 #define snd_timer_chip(timer) ((timer)->private_data)
20 #define SNDRV_TIMER_HW_AUTO 0x00000001 /* auto trigger is supported */
29 #define SNDRV_TIMER_IFLG_AUTO 0x00000008 /* auto restart */
32 #define SNDRV_TIMER_IFLG_EXCLUSIVE 0x00000040 /* exclusive owner - no more instances */
33 #define SNDRV_TIMER_IFLG_EARLY_EVENT 0x00000080 /* write early event to the poll queue */
41 /* -- must be filled with low-level driver */
47 /* -- low-level functions -- */
96 unsigned long ticks; /* auto-load ticks when expired */
/linux-6.14.4/drivers/net/ethernet/intel/e1000e/
Dmac.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
9 * e1000e_get_bus_info_pcie - Get PCIe bus information
18 struct pci_dev *pdev = hw->adapter->pdev; in e1000e_get_bus_info_pcie()
19 struct e1000_mac_info *mac = &hw->mac; in e1000e_get_bus_info_pcie()
20 struct e1000_bus_info *bus = &hw->bus; in e1000e_get_bus_info_pcie()
24 bus->width = e1000_bus_width_unknown; in e1000e_get_bus_info_pcie()
27 bus->width = (enum e1000_bus_width)FIELD_GET(PCI_EXP_LNKSTA_NLW, in e1000e_get_bus_info_pcie()
31 mac->ops.set_lan_id(hw); in e1000e_get_bus_info_pcie()
37 * e1000_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
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/linux-6.14.4/drivers/net/ethernet/intel/igb/
De1000_phy.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
31 * igb_check_reset_block - Check if PHY reset is blocked
48 * igb_get_phy_id - Retrieve the PHY ID and revision
56 struct e1000_phy_info *phy = &hw->phy; in igb_get_phy_id()
61 if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211)) in igb_get_phy_id()
62 phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0); in igb_get_phy_id()
64 ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id); in igb_get_phy_id()
68 phy->id = (u32)(phy_id << 16); in igb_get_phy_id()
70 ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id); in igb_get_phy_id()
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/linux-6.14.4/drivers/net/ethernet/sun/
Dsungem.h1 /* SPDX-License-Identifier: GPL-2.0 */
39 * This auto-clearing does not occur when the alias at GREG_STAT2
69 * signalled to the cpu. GREG_IACK can be used to clear specific top-level
98 * The driver _MUST_ poll these bits until they clear. One may not attempt
130 * This 13-bit register is programmed by the driver to hold the descriptor
136 * This 13-bit register is updated by GEM to hold to descriptor entry index
171 * them later. -DaveM
220 #define RXDMA_CFG_RINGSZ_32 0x00000000 /* - 32 entries */
221 #define RXDMA_CFG_RINGSZ_64 0x00000002 /* - 64 entries */
222 #define RXDMA_CFG_RINGSZ_128 0x00000004 /* - 128 entries */
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Dsunhme.h1 /* SPDX-License-Identifier: GPL-2.0 */
38 #define GREG_STAT_ACNTEXP 0x00000004 /* Align-error counter expired */
39 #define GREG_STAT_CCNTEXP 0x00000008 /* CRC-error counter expired */
40 #define GREG_STAT_LCNTEXP 0x00000010 /* Length-error counter expired */
42 #define GREG_STAT_CVCNTEXP 0x00000040 /* Code-violation counter expired */
46 #define GREG_STAT_MAXPKTERR 0x00000400 /* Max-packet size error */
47 #define GREG_STAT_NCNTEXP 0x00000800 /* Normal-collision counter expired */
48 #define GREG_STAT_ECNTEXP 0x00001000 /* Excess-collision counter expired */
49 #define GREG_STAT_LCCNTEXP 0x00002000 /* Late-collision counter expired */
50 #define GREG_STAT_FCNTEXP 0x00004000 /* First-collision counter expired */
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/linux-6.14.4/drivers/net/ethernet/apple/
Dmace.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * mace.h - definitions for the registers in the Am79C940 MACE
22 REG(pr); /* poll register */
49 #define AUTO_PAD_XMIT 0x01 /* auto-pad short packets on transmission */
53 #define UFLO 0x40 /* underflow - xmit fifo ran dry */
63 #define RETRY_MASK 0x0f /* number of retries (0 - 15) */
68 #define AUTO_STRIP_RCV 0x01 /* auto-strip short LLC frames on recv */
94 #define JABBER 0x80 /* jabber error - 10baseT xmission too long */
95 #define BABBLE 0x40 /* babble - xmitter xmitting for too long */
96 #define CERR 0x20 /* collision err - no SQE test (heartbeat) */
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/linux-6.14.4/Documentation/networking/
Dnapi.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
16 interrupts first (:ref:`busy polling<poll>`).
29 and the associated poll method. struct napi_struct holds the state
30 of the NAPI instance while the method is the driver-specific event
37 -----------
45 A disabled NAPI can't be scheduled and its poll method is guaranteed
55 ------------
57 napi_schedule() is the basic method of scheduling a NAPI poll.
62 Later, after NAPI is scheduled, the driver's poll method will be
64 argument - drivers can process completions for any number of Tx
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Ddriver.rst1 .. SPDX-License-Identifier: GPL-2.0
11 ------------------
21 ----------
25 be aborted. If necessary, poll or wait for completion of
28 Auto-close
29 ----------
38 ----------------------
46 for a driver implementing scatter-gather this means:
48 .. code-block:: c
52 u32 used = READ_ONCE(dr->prod) - READ_ONCE(dr->cons);
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/linux-6.14.4/Documentation/w1/slaves/
Dw1_therm.rst16 -----------
49 -1 if at least one sensor still in conversion, 1 if conversion is complete
65 auto measure and set a conversion time by writing ``1`` to
66 ``conv_time``; 3) use ``features`` to enable poll for conversion
72 the sensor. Resolution is reset when the sensor gets power-cycled.
81 Some non-genuine DS18B20 chips are fixed in 12-bit mode only, so the actual
86 The write-only sysfs entry ``eeprom_cmd`` is an alternative for EEPROM operations.
94 Values shall be space separated and in the device range (typical -55 degC
106 be force-enabled.
118 location of the chip in the 1-wire bus without needing pre-existing
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/linux-6.14.4/drivers/media/radio/si4713/
Dradio-platform-si4713.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * drivers/media/radio/radio-si4713.c
7 * Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
18 #include <media/v4l2-device.h>
19 #include <media/v4l2-common.h>
20 #include <media/v4l2-ioctl.h>
21 #include <media/v4l2-fh.h>
22 #include <media/v4l2-ctrls.h>
23 #include <media/v4l2-event.h>
27 static int radio_nr = -1; /* radio device minor (-1 ==> auto assign) */
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/linux-6.14.4/drivers/usb/host/
Duhci-hub.c1 // SPDX-License-Identifier: GPL-2.0
8 * (C) Copyright 1999-2002 Johannes Erdfelt, [email protected]
19 USB_DT_HUB, /* __u8 bDescriptorType; Hub-descriptor */
22 HUB_CHAR_INDV_PORT_OCPM, /* (per-port OC, no power switching) */
41 /* A port that either is connected or has a changed-bit set will prevent
48 for (port = 0; port < uhci->rh_numports; ++port) { in any_ports_active()
51 test_bit(port, &uhci->port_c_suspend)) in any_ports_active()
72 for (port = 0; port < uhci->rh_numports; ++port) { in get_hub_status_data()
74 test_bit(port, &uhci->port_c_suspend)) in get_hub_status_data()
94 * so we have to poll and check timeouts in order to take care of it.
[all …]
/linux-6.14.4/drivers/net/hamradio/
Dz8530.h1 /* SPDX-License-Identifier: GPL-2.0 */
61 #define AUTO_ENAB 0x20 /* Auto Enables */
91 #define SDLC_CRC 0x4 /* SDLC/CRC-16 */
100 /* Write Register 6 (Sync bits 0-7/SDLC Address Field) */
102 /* Write Register 7 (Sync bits 8-15/SDLC 01111110) */
122 #define GAOP 0x10 /* Go active on poll */
153 #define AUTOECHO 8 /* Auto Echo */
199 /* Read Register 2 (channel b only) - Interrupt vector */
226 #define AUTOTXF 0x01 /* Auto Tx Flag */
227 #define AUTOEOM 0x02 /* Auto EOM Latch Reset */
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/linux-6.14.4/drivers/net/phy/
Dmotorcomm.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Author: Frank <Frank.Sae@motor-comm.com>
22 * ------------------------------------------------------------
26 * ------------------------------------------------------------
28 * ------------------------------------------------------------
86 /* Speed Auto Downgrade Control Register */
104 /* FIBER Auto-Negotiation link partner ability */
125 /* TX Gig-E Delay is bits 7:4, default 0x5
126 * TX Fast-E Delay is bits 15:12, default 0xf
127 * Delay = 150ps * N - 250ps
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/linux-6.14.4/drivers/gpu/drm/nouveau/nvkm/subdev/therm/
Dbase.c32 if (therm->func->temp_get) in nvkm_therm_temp_get()
33 return therm->func->temp_get(therm); in nvkm_therm_temp_get()
34 return -ENODEV; in nvkm_therm_temp_get()
40 struct nvbios_therm_trip_point *trip = therm->fan->bios.trip, in nvkm_therm_update_trip()
42 *last_trip = therm->last_trip; in nvkm_therm_update_trip()
43 u8 temp = therm->func->temp_get(therm); in nvkm_therm_update_trip()
48 for (i = 0; i < therm->fan->bios.nr_fan_trip; i++) { in nvkm_therm_update_trip()
54 if (last_trip && temp <= (last_trip->temp) && in nvkm_therm_update_trip()
55 temp > (last_trip->temp - last_trip->hysteresis)) in nvkm_therm_update_trip()
59 duty = cur_trip->fan_duty; in nvkm_therm_update_trip()
[all …]
/linux-6.14.4/drivers/spi/
Dspi-sifive.c1 // SPDX-License-Identifier: GPL-2.0
96 struct completion done; /* wake-up from interrupt */
101 iowrite32(value, spi->regs + offset); in sifive_spi_write()
106 return ioread32(spi->regs + offset); in sifive_spi_read()
126 /* Exit specialized memory-mapped SPI flash mode */ in sifive_spi_init()
134 struct spi_device *device = msg->spi; in sifive_spi_prepare_message()
137 if (device->mode & SPI_CS_HIGH) in sifive_spi_prepare_message()
138 spi->cs_inactive &= ~BIT(spi_get_chipselect(device, 0)); in sifive_spi_prepare_message()
140 spi->cs_inactive |= BIT(spi_get_chipselect(device, 0)); in sifive_spi_prepare_message()
141 sifive_spi_write(spi, SIFIVE_SPI_REG_CSDEF, spi->cs_inactive); in sifive_spi_prepare_message()
[all …]
/linux-6.14.4/samples/nitro_enclaves/
Dne_ioctl_sample.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright 2020-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
11 * -----
19 * https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html#cpu-lists
26 * echo <cpu-list> > /sys/module/nitro_enclaves/parameters/ne_cpus
46 * https://www.kernel.org/doc/html/latest/admin-guide/mm/hugetlbpage.html
52 * /sys/devices/system/node/node<X>/hugepages/hugepages-2048kB/nr_hugepages
53 * /sys/devices/system/node/node<X>/hugepages/hugepages-1048576kB/nr_hugepages
58 * /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
59 * /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
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/linux-6.14.4/Documentation/admin-guide/
Dmd.rst5 ---------------------------------
49 -1 linear mode
58 (raid-0 and raid-1 only)
78 --------------------------------------
87 that all auto-detected arrays are assembled as partitionable.
90 -------------------------------------------
102 mdadm --assemble --force ....
112 md-mod.start_dirty_degraded=1
116 ------------------
119 Currently, it supports superblock formats ``0.90.0`` and the ``md-1`` format
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/linux-6.14.4/drivers/macintosh/
Dvia-macii.c1 // SPDX-License-Identifier: GPL-2.0
3 * Device driver for the via ADB on (many) Mac II-class machines
13 * 1999-08-02 (jmt) - Initial rewrite for Unified ADB.
14 * 2000-03-29 Tony Mantler <[email protected]-m68k.org>
15 * - Big overhaul, should actually work now.
16 * 2006-12-31 Finn Thain - Another overhaul.
24 * ftp://ftp.apple.com/developer/Tool_Chest/Devices_-_Hardware/Apple_Desktop_Bus/
39 /* VIA registers - spaced 0x200 bytes apart */
41 #define B 0 /* B-side data */
42 #define A RS /* A-side data */
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