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/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Dscan.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
10 /* Scan Commands, Responses, Notifications */
13 * enum iwl_scan_subcmd_ids - scan commands
33 * struct iwl_ssid_ie - directed scan network information element
50 /* scan offload */
59 /* Default watchdog (in MS) for scheduled scan iteration */
78 * struct iwl_scan_offload_blocklist - SCAN_OFFLOAD_BLACKLIST_S
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/linux/Documentation/devicetree/bindings/input/
H A Dti,nspire-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/ti,nspire-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI-NSPIRE Keypad
10 - Andrew Davis <afd@ti.com>
13 - $ref: input.yaml#
14 - $ref: matrix-keymap.yaml#
19 - ti,nspire-keypad
30 scan-interval:
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H A Dnvidia,tegra20-kbc.txt7 - compatible: "nvidia,tegra20-kbc"
8 - reg: Register base address of KBC.
9 - interrupts: Interrupt number for the KBC.
10 - nvidia,kbc-row-pins: The KBC pins which are configured as row. This is an
12 - nvidia,kbc-col-pins: The KBC pins which are configured as column. This is an
14 - linux,keymap: The keymap for keys as described in the binding document
15 devicetree/bindings/input/matrix-keymap.txt.
16 - clocks: Must contain one entry, for the module clock.
17 See ../clocks/clock-bindings.txt for details.
18 - resets: Must contain an entry for each entry in reset-names.
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/linux/drivers/s390/scsi/
H A Dzfcp_ccw.c1 // SPDX-License-Identifier: GPL-2.0
27 adapter = dev_get_drvdata(&cdev->dev); in zfcp_ccw_adapter_by_cdev()
29 kref_get(&adapter->ref); in zfcp_ccw_adapter_by_cdev()
39 kref_put(&adapter->ref, zfcp_adapter_release); in zfcp_ccw_adapter_put()
44 * zfcp_ccw_activate - activate adapter and wait for it to finish
62 * We want to scan ports here, with some random backoff and without in zfcp_ccw_activate()
63 * rate limit. Recovery has already scheduled a port scan for us, in zfcp_ccw_activate()
64 * but with both random delay and rate limit. Nevertheless we get in zfcp_ccw_activate()
67 * Let the port scan random delay elapse first. If recovery finishes in zfcp_ccw_activate()
69 * and port scan. If not, i.e. recovery takes ages, there was no in zfcp_ccw_activate()
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/linux/drivers/input/keyboard/
H A Dnspire-keypad.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/delay.h>
41 /* Maximum delay estimated assuming 33MHz APB */
53 struct input_dev *input = keypad->input; in nspire_keypad_irq()
54 unsigned short *keymap = input->keycode; in nspire_keypad_irq()
61 int_sts = readl(keypad->reg_base + KEYPAD_INT) & keypad->int_mask; in nspire_keypad_irq()
65 memcpy_fromio(state, keypad->reg_base + KEYPAD_DATA, sizeof(state)); in nspire_keypad_irq()
69 if (keypad->active_low) in nspire_keypad_irq()
72 changed = bits ^ keypad->state[row]; in nspire_keypad_irq()
76 keypad->state[row] = bits; in nspire_keypad_irq()
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H A Dlpc32xx-keys.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * NXP LPC32xx SoC Key Scan Interface
63 u32 scan_delay; /* Scan delay (based on 32KHz clock) */
66 unsigned short *keymap; /* Pointer to key map for the scan matrix */
73 struct input_dev *input = kscandat->input; in lpc32xx_mod_states()
77 key = readl(LPC32XX_KS_DATA(kscandat->kscan_base, col)); in lpc32xx_mod_states()
78 changed = key ^ kscandat->lastkeystates[col]; in lpc32xx_mod_states()
79 kscandat->lastkeystates[col] = key; in lpc32xx_mod_states()
85 kscandat->row_shift); in lpc32xx_mod_states()
86 keycode = kscandat->keymap[scancode]; in lpc32xx_mod_states()
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/linux/drivers/platform/x86/intel/ifs/
H A Difs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * DOC: In-Field Scan
11 * In-Field Scan
15 * ------------
17 * In Field Scan (IFS) is a hardware feature to run circuit level tests on
20 * with a new platform-device instance-id.
24 * ---------
26 * Intel provides firmware files containing the scan tests via the webpage [#f1]_.
27 * Look under "In-Field Scan Test Images Download" section towards the
29 * family-model-stepping. IFS Images are not applicable for some test types.
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/linux/drivers/net/wireless/mediatek/mt76/mt76x2/
H A Dmcu.c1 // SPDX-License-Identifier: ISC
9 #include <linux/delay.h>
16 u8 bw_index, bool scan) in mt76x2_mcu_set_channel() argument
20 u8 scan; in mt76x2_mcu_set_channel() member
30 .scan = scan, in mt76x2_mcu_set_channel()
32 .chainmask = cpu_to_le16(dev->mphy.chainmask), in mt76x2_mcu_set_channel()
36 mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg, in mt76x2_mcu_set_channel()
42 return mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg, in mt76x2_mcu_set_channel()
70 return mt76_mcu_send_msg(&dev->mt76, CMD_LOAD_CR, &msg, sizeof(msg), in mt76x2_mcu_load_cr()
89 return mt76_mcu_send_msg(&dev->mt76, CMD_INIT_GAIN_OP, &msg, in mt76x2_mcu_init_gain()
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/linux/drivers/iio/humidity/
H A Dhdc100x.c1 // SPDX-License-Identifier: GPL-2.0+
3 * hdc100x.c - Support for the TI HDC100x temperature + humidity sensors
17 #include <linux/delay.h>
49 } scan; member
128 .scan_index = -1,
137 int tmp = (~mask & data->config) | val; in hdc100x_update_config()
140 ret = i2c_smbus_write_word_swapped(data->client, in hdc100x_update_config()
143 data->config = tmp; in hdc100x_update_config()
151 int ret = -EINVAL; in hdc100x_set_it_time()
160 data->adc_int_us[chan] = val2; in hdc100x_set_it_time()
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/linux/drivers/iio/adc/
H A Dmax1118.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * MAX1117/MAX1118/MAX1119 8-bit, dual-channel ADCs driver
7 * Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX1117-MAX1119.pdf
13 * ------ --------- -----------
14 * nCS --> CNVST
15 * SCK --> SCLK
16 * MISO <-- DOUT
17 * ------ --------- -----------
43 } scan; member
79 .delay = { /* > CNVST Low Time 100 ns */ in max1118_read()
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H A Dad4000.c1 // SPDX-License-Identifier: GPL-2.0+
25 #include <linux/iio/buffer-dmaengine.h>
57 .shift = (_offl ? 0 : _storage_bits - _real_bits), \
95 .shift = (_offl ? 0 : _storage_bits - _real_bits), \
122 /* maps adi,sdi-pin property value to enum */
167 /* AD7946, AD7686, AD7688, AD7988-5, AD7693 */
191 /* AD7988-1 */
475 .dev_name = "ad7988-1",
483 .dev_name = "ad7988-5",
527 } scan __aligned(IIO_DMA_MINALIGN);
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H A Dad7380.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * ad7380/1 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7380-7381.pdf
10 * ad7383/4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-7384.pdf
11 …* ad7386/7/8 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7386-7387-738…
12 * ad7380-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7380-4.pdf
13 * ad7381-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7381-4.pdf
14 …* ad7383/4-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-4-ad7384…
15 …* ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7386-4-7387…
16 * ad7389-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7389-4.pdf
17 * adaq4370-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4370-4.pdf
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/linux/drivers/gpu/drm/mgag200/
H A Dmgag200_bmc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <linux/delay.h>
18 * 1 - The first step is to inform the BMC of an upcoming mode in mgag200_bmc_stop_scanout()
34 * 2- Second step to mask any further scan request. This is in mgag200_bmc_stop_scanout()
44 * 3a- The third step is to verify if there is an active scan. in mgag200_bmc_stop_scanout()
52 iter_max--; in mgag200_bmc_stop_scanout()
56 * 3b- This step occurs only if the remove is actually in mgag200_bmc_stop_scanout()
66 iter_max--; in mgag200_bmc_stop_scanout()
88 /* Remove mask of scan request */ in mgag200_bmc_start_scanout()
/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-debug.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/scheduler/sched-debug.rst
26 -------------------------------------------------------------------
29 迁移到任务正在运行的本地内存结点，此时需解映射页面。每个“扫描延迟”（scan delay）
30 时间之后，任务扫描其地址空间中下一批“扫描大小”（scan size）个页面。若抵达
/linux/net/mac80211/
H A Dscan.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
10 * Copyright 2013-2015 Intel Mobile Communications GmbH
11 * Copyright 2016-2017 Intel Deutschland GmbH
12 * Copyright (C) 2018-2025 Intel Corporation
25 #include "driver-ops.h"
37 cfg80211_put_bss(local->h in ieee80211_rx_bss_put()
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/linux/drivers/video/fbdev/
H A Dcontrolfb.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
42 /* Vertical parameters are in units of 1/2 scan line */
50 struct preg piped; /* pipe delay hardware cursor */
52 struct preg hperiod; /* horiz period - 2 */
59 struct preg hserr; /* horiz period - horiz sync len */
63 struct preg pitch; /* addrs diff between scan lines */
74 /* Vertical parameters are in units of 1/2 scan line */
82 unsigned piped; /* pipe delay hardware cursor */
85 unsigned hperiod; /* horiz period - 2 */
92 unsigned hserr; /* horiz period - horiz sync len */
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/linux/Documentation/admin-guide/mm/
H A Dksm.rst8 KSM is a memory-saving de-duplication feature, enabled by CONFIG_KSM=y,
19 content which can be replaced by a single write-protected page (which
47 may suddenly require more memory than is available - possibly failing
48 with EAGAIN, but more probably arousing the Out-Of-Memory killer.
60 will exceed ``vm.max_map_count`` (see Documentation/admin-guide/sysctl/vm.rst).
80 how many pages to scan before ksmd goes to sleep
84 been set to scan-time.
89 how many milliseconds ksmd should sleep before next scan
158 scan. It's a noop if not a single KSM page hit the
162 Historically KSM checked every candidate page for each scan. It did
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/linux/Documentation/driver-api/media/drivers/
H A Dvidtv.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ----------
18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
26 - A fake bridge driver, which is the module responsible for modprobing the
31 - Code responsible for encoding a valid MPEG Transport Stream, which is then
33 For now, we have a single, audio-only channel containing a single MPEG
34 Elementary Stream, which in turn contains a SMPTE 302m encoded sine-wave.
39 --------------
45 - Enable **DVB_TEST_DRIVERS**, then
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/linux/drivers/comedi/drivers/
H A Daddi_apci_3xxx.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
7 * ADDI-DATA GmbH
9 * D-77833 Ottersweier
10 * Tel: +19(0)7223/9493-0
11 * Fax: +49(0)7223/9493-92
12 * http://www.addi-data.com
13 * info@addi-data.com
87 .name = "apci3000-16",
96 .name = "apci3000-8",
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/linux/drivers/iio/accel/
H A Dmma7455_core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * IIO accel core driver for Freescale MMA7455L 3-axis 10-bit accelerometer
7 * - 8-bit mode with different scales
8 * - INT1/INT2 interrupts
9 * - Offset calibration
10 * - Events
13 #include <linux/delay.h>
46 * When MMA7455 is used in 10-bit it has a fullscale of -8g
47 * corresponding to raw value -512. The userspace interface
63 } scan; member
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/linux/drivers/pci/
H A Dprobe.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/delay.h>
54 if (r->domain_nr == domain_nr) in get_pci_domain_busn_res()
55 return &r->res; in get_pci_domain_busn_res()
61 r->domain_nr = domain_nr; in get_pci_domain_busn_res()
62 r->res.start = 0; in get_pci_domain_busn_res()
63 r->res.end = 0xff; in get_pci_domain_busn_res()
64 r->res.flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED; in get_pci_domain_busn_res()
66 list_add_tail(&r->list, &pci_domain_busn_res_list); in get_pci_domain_busn_res()
68 return &r->res; in get_pci_domain_busn_res()
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/linux/kernel/irq/
H A Dautoprobe.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 1992, 1998-2004 Linus Torvalds, Ingo Molnar
11 #include <linux/delay.h>
24 * probe_irq_on - begin an interrupt autodetect
46 guard(raw_spinlock_irq)(&desc->lock); in probe_irq_on()
47 if (!desc->action && irq_settings_can_probe(desc)) { in probe_irq_on()
52 if (desc->irq_data.chip->irq_set_type) in probe_irq_on()
53 desc->irq_data.chip->irq_set_type(&desc->irq_data, IRQ_TYPE_PROBE); in probe_irq_on()
67 guard(raw_spinlock_irq)(&desc->lock); in probe_irq_on()
68 if (!desc->action && irq_settings_can_probe(desc)) { in probe_irq_on()
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/linux/drivers/iio/proximity/
H A Das3935.c1 // SPDX-License-Identifier: GPL-2.0+
3 * as3935.c - Support for AS3935 Franklin lightning sensor
5 * Copyright (C) 2014, 2017-2018
13 #include <linux/delay.h>
15 #include <linux/devm-helpers.h>
67 } scan; member
94 ret = spi_w8r8(st->spi, cmd); in as3935_read()
106 u8 *buf = st->buf; in as3935_write()
111 return spi_write(st->spi, buf, 2); in as3935_write()
139 return -EINVAL; in as3935_sensor_sensitivity_store()
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/linux/drivers/iio/chemical/
H A Dccs811.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ccs811.c - Support for AMS CCS811 VOC Sensor
7 * Datasheet: ams.com/content/download/951091/2269479/CCS811_DS000459_3-00.pdf
19 #include <linux/delay.h>
86 } scan; member
94 .scan_index = -1,
99 .scan_index = -1,
131 * The CCS811 powers-up in boot mode. A setup write to CCS811_APP_START will
147 return -EIO; in ccs811_start_sensor_application()
159 dev_err(&client->dev, "Application failed to start. Sensor is still in boot mode.\n"); in ccs811_start_sensor_application()
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/linux/drivers/media/pci/cx88/
H A Dcx88-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * cx88-i2c.c -- all the i2c code is here
7 * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
8 * & Marcus Metzler (mocm@thp.uni-koeln.de)
10 * (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
12 * - Multituner support and i2c address binding
21 #include <media/v4l2-common.h>
29 MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
34 …"i2c delay at insmod time, in usecs (should be 5 or higher). Lower value means higher bus speed.");
42 /* ----------------------------------------------------------------------- */
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