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/linux/Documentation/devicetree/bindings/hwmon/
H A Dti,ina3221.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jean Delvare <jdelvare@suse.com>
11 - Guenter Roeck <linux@roeck-us.net>
20 ti,single-shot:
22 This chip has two power modes: single-shot (chip takes one measurement
25 hardware monitor type device, but the single-shot mode is more power-
26 friendly and useful for battery-powered device which cares power
29 If this property is present, the single-shot mode will be used, instead
[all …]
/linux/Documentation/hwmon/
H A Dsht3x.rst6 * Sensirion SHT3x-DIS
13 - https://sensirion.com/media/documents/213E6A3B/63A5A569/Datasheet_SHT3x_DIS.pdf
14 …- https://sensirion.com/media/documents/051DF50B/639C8101/Sensirion_Humidity_and_Temperature_Senso…
16 * Sensirion STS3x-DIS
23 …- https://sensirion.com/media/documents/1DA31AFD/61641F76/Sensirion_Temperature_Sensors_STS3x_Data…
24 … - https://sensirion.com/media/documents/292A335C/65537BAF/Sensirion_Datasheet_STS32_STS33.pdf
28 - David Frey <david.frey@sensirion.com>
29 - Pascal Sachs <pascal.sachs@sensirion.com>
32 -----------
34 This driver implements support for the Sensirion SHT3x-DIS and STS3x-DIS
[all …]
/linux/Documentation/leds/
H A Dledtrig-oneshot.rst2 One-shot LED Trigger
6 no clear trap points to put standard led-on and led-off settings. Using this
12 first case, the trigger produces a clear single controlled blink for each
16 A one-shot LED only stays in a constant state when there are no events. An
26 Documentation/ABI/testing/sysfs-class-led-trigger-oneshot
28 Example use-case: network devices, initialization::
36 echo 1 > invert # set led as normally-on, turn the led on
40 echo 1 > shot # led starts blinking, ignored if already blinking
44 echo 0 > invert # set led as normally-off, turn the led off
/linux/Documentation/trace/coresight/
H A Dcoresight-etm4x-reference.rst11 ---------------------------
20 ----
37 ----
47 ----
52 - > 0 : Programs up the hardware with the current values held in the driver
55 - = 0 : disable trace hardware.
60 ----
72 ----
77 When FEAT_TRF is implemented, value of TRFCR_ELx.TS used for trace session. Otherwise -1
86 ----
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/linux/fs/notify/inotify/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 directories via a single open fd. Events are read from the file
10 descriptor, which is also select()- and poll()-able.
12 new features including multiple file events, one-shot support, and
/linux/arch/arm64/boot/dts/marvell/
H A Darmada-8040-mcbin-singleshot.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/leds/common.h>
10 #include "armada-8040-mcbin.dtsi"
13 model = "Marvell 8040 MACCHIATOBin Single-shot";
14 compatible = "marvell,armada8040-mcbin-singleshot",
15 "marvell,armada8040-mcbin", "marvell,armada8040",
16 "marvell,armada-ap806-quad", "marvell,armada-ap806";
19 compatible = "gpio-leds";
20 pinctrl-0 = <&cp0_led18_pins>;
21 pinctrl-names = "default";
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/linux/include/xen/interface/
H A Dvcpu.h1 /* SPDX-License-Identifier: MIT */
18 * @extra_args == Operation-specific extra arguments (NULL if none).
23 * newly-initialised VCPU will not run until it is brought up by VCPUOP_up.
37 * Bring down a VCPU (i.e., make it non-runnable).
41 * idea to ensure that the VCPU has entered a non-critical loop before
131 * Set or stop a VCPU's single-shot timer. Every VCPU has one single-shot
143 /* Require the timeout to be in the future (return -ETIME if it's passed). */
150 * structure in a convenient place, such as in a per-cpu data area.
167 * processor. The physical ID informmation is architecture-specific.
169 * This command returns -EINVAL if it is not a valid operation for this VCPU.
/linux/Documentation/devicetree/bindings/timer/
H A Darm,sp804.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Haojian Zhuang <haojian.zhuang@linaro.org>
14 16 or 32 bit operation and capable of running in one-shot, periodic, or
15 free-running mode. The input clock is shared, but can be gated and prescaled
18 There is a viriant of Arm SP804: Hisilicon 64-bit SP804 timer. Some Hisilicon
27 - arm,sp804
28 - hisilicon,sp804
30 - compatible
[all …]
/linux/drivers/hwmon/
H A Dsht3x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Sensirion SHT3x-DIS humidity and temperature sensor driver.
17 #include <linux/hwmon-sysfs.h>
47 /* delays for single-shot mode i2c commands, both in us */
58 #define SHT3X_MIN_TEMPERATURE -45000
201 return number_of_modes - 1; in get_mode_from_update_interval()
211 mutex_lock(&data->i2c_lock); in sht3x_read_from_command()
215 ret = ret < 0 ? ret : -EIO; in sht3x_read_from_command()
224 ret = ret < 0 ? ret : -EIO; in sht3x_read_from_command()
230 mutex_unlock(&data->i2c_lock); in sht3x_read_from_command()
[all …]
/linux/drivers/hwtracing/coresight/
H A Dcoresight-etm4x.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
13 #include "coresight-priv.h"
17 * 0x000 - 0x2FC: Trace registers
18 * 0x300 - 0x314: Management registers
19 * 0x318 - 0xEFC: Trace registers
21 * 0xFA0 - 0xFA4: Trace registers
22 * 0xFA8 - 0xFFC: Management registers
24 /* Trace registers (0x000-0x2FC) */
47 #define TRCSEQEVRn(n) (0x100 + (n * 4)) /* n = 0-2 */
[all …]
/linux/drivers/media/pci/solo6x10/
H A Dsolo6x10-p2m.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com>
21 "Use multiple P2M DMA channels (default: no, 6010-only)");
26 "Allow use of descriptor mode DMA (default: no, 6010-only)");
36 return -EINVAL; in solo_p2m_dma()
38 return -EINVAL; in solo_p2m_dma()
40 dma_addr = dma_map_single(&solo_dev->pdev->dev, sys_addr, size, in solo_p2m_dma()
42 if (dma_mapping_error(&solo_dev->pdev->dev, dma_addr)) in solo_p2m_dma()
43 return -ENOMEM; in solo_p2m_dma()
48 dma_unmap_single(&solo_dev->pdev->dev, dma_addr, size, in solo_p2m_dma()
[all …]
/linux/arch/powerpc/kernel/
H A Dhw_breakpoint.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
53 * Atomic: we hold the counter->ctx->lock and we only handle variables
71 return -EBUSY; in arch_install_hw_breakpoint()
74 * Do not install DABR values if the instruction must be single-stepped. in arch_install_hw_breakpoint()
77 if (!info->perf_single_step) in arch_install_hw_breakpoint()
89 * Atomic: we hold the counter->ctx->lock and we only handle variables
114 return bp->overflow_handler == ptrace_triggered; in is_ptrace_bp()
122 return is_kernel_addr(hw->address); in arch_check_bp_in_kernelspace()
133 return -EINVAL; in arch_bp_generic_fields()
[all …]
/linux/drivers/clocksource/
H A Darm_global_timer.c1 // SPDX-License-Identifier: GPL-2.0-only
60 * 1. Read the upper 32-bit timer counter register
61 * 2. Read the lower 32-bit timer counter register
62 * 3. Read the upper 32-bit timer counter register again. If the value is
63 * different to the 32-bit upper value read previously, go back to step 2.
64 * Otherwise the 64-bit timer counter value is correct.
94 * 2. Write the lower 32-bit Comparator Value Register.
95 * 3. Write the upper 32-bit Comparator Value Register.
155 * the same event in single-shot mode) in gt_clockevent_interrupt()
157 * Either disable single-shot mode. in gt_clockevent_interrupt()
[all …]
/linux/arch/x86/xen/
H A Dtime.c1 // SPDX-License-Identifier: GPL-2.0
30 #include "xen-ops.h"
41 &HYPERVISOR_shared_info->vcpu_info[0].time; in xen_tsc_khz()
53 src = &__this_cpu_read(xen_vcpu)->time; in xen_clocksource_read()
69 src = &__this_cpu_read(xen_vcpu)->time; in xen_sched_clock()
71 ret -= xen_sched_clock_offset; in xen_sched_clock()
79 struct pvclock_wall_clock *wall_clock = &(s->wc); in xen_read_wallclock()
82 vcpu_time = &get_cpu_var(xen_vcpu)->time; in xen_read_wallclock()
94 return -ENODEV; in xen_set_wallclock()
109 now.tv_sec = tk->xtime_sec; in xen_pvclock_gtod_notify()
[all …]
/linux/Documentation/virt/kvm/x86/
H A Dtimekeeping.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
54 using single or multiple byte access to the I/O ports. There are 6 modes
59 -------------- ----------------
61 | 1.1932 MHz|---------->| CLOCK OUT | ---------> IRQ 0
[all …]
/linux/drivers/comedi/drivers/
H A Dquatech_daqp_cs.c1 // SPDX-License-Identifier: GPL-2.0
8 * COMEDI - Linux Control and Measurement Device Interface
13 * ftp://ftp.quatech.com/Manuals/daqp-208.pdf
15 * This manual is for both the DAQP-208 and the DAQP-308.
18 * - A/D conversion
19 * - 8 channels
20 * - 4 gain ranges
21 * - ground ref or differential
22 * - single-shot and timed both supported
23 * - D/A conversion, single-shot
[all …]
H A Dz8536.h1 /* SPDX-License-Identifier: GPL-2.0 */
105 #define Z8536_CT_MODE_CSC BIT(7) /* Continuous/Single Cycle */
113 #define Z8536_CT_MODE_DCS_ONESHOT Z8536_CT_MODE_DCS(1) /* One-Shot */
128 #define Z8536_PAB_MODE_SB BIT(4) /* Single Buffered mode */
134 #define Z8536_PAB_MODE_PMS_OR_PEV Z8536_PAB_MODE_PMS(3)/* "OR-Priority" */
146 #define Z8536_PAB_HANDSHAKE_HST_3WIRE Z8536_PAB_HANDSHAKE_HST(3)/* 3-Wire */
162 * 0 = Non-Inverting
193 * -- -- -- -------------------------------------
196 * 1 0 0 Zero (low-level)
197 * 1 0 1 One (high-level)
[all …]
/linux/Documentation/input/joydev/
H A Djoystick.rst3 .. _joystick-doc:
14 linux-input@vger.kernel.org
16 send "subscribe linux-input" to majordomo@vger.kernel.org to subscribe to it.
25 ---------
29 usually packaged as ``joystick``, ``input-utils``, ``evtest``, and so on.
35 ------------
48 ln -s input/js0 js0
49 ln -s input/js1 js1
50 ln -s input/js2 js2
51 ln -s input/js3 js3
[all …]
/linux/fs/ocfs2/cluster/
H A Dtcp_internal.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
32 * - Negotiation of filesystem locking in the dlm join.
35 * - Meta/data locks combined
38 * - All votes removed
41 * - Replace delete inode votes with a cluster lock
44 * - DLM join domain includes the live nodemap
47 * - DLM lockres remote refcount fixes.
50 * - Network timeout checking protocol
53 * - Remove i_generation from lock names for better stat performance.
56 * - Replace dentry votes with a cluster lock
[all …]
/linux/lib/crypto/tests/
H A Dhash-test-template.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 #include <kunit/run-in-irq-context.h>
22 * which does not require cryptographically secure random numbers. A hard-coded
29 random_seed = (random_seed * 25214903917 + 11) & ((1ULL << 48) - 1); in rand32()
77 * Allocate the test buffer using vmalloc() with a page-aligned length in hash_suite_init()
85 return -ENOMEM; in hash_suite_init()
87 test_buf = orig_test_buf + alloc_len - TEST_BUF_LEN; in hash_suite_init()
102 * one-shot instead of incremental), since consistency between different ways of
145 * Test that the hash function produces the same result with a one-shot
159 offset = rand_offset(TEST_BUF_LEN - total_len); in test_hash_incremental_updates()
[all …]
/linux/drivers/media/dvb-frontends/
H A Dstv0288.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 2010-09-01 Josef Pavlik <josef@pavlik.it>
56 .addr = state->config->demod_address, in stv0288_writeregI()
62 ret = i2c_transfer(state->i2c, &msg, 1); in stv0288_writeregI()
68 return (ret != 1) ? -EREMOTEIO : 0; in stv0288_writeregI()
73 struct stv0288_state *state = fe->demodulator_priv; in stv0288_write()
76 return -EINVAL; in stv0288_write()
88 .addr = state->config->demod_address, in stv0288_readreg()
93 .addr = state->config->demod_address, in stv0288_readreg()
100 ret = i2c_transfer(state->i2c, msg, 2); in stv0288_readreg()
[all …]
/linux/include/uapi/sound/
H A Dsfnt_info.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
8 * Copyright (C) 1999-2000 Takashi Iwai
93 unsigned char filterQ; /* initial filter Q [0-15] (0x0) */
157 #define SNDRV_SFNT_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */
171 int map_bank, map_instr, map_key; /* key = -1 means all keys */
185 int port; /* -1 = all */
/linux/drivers/net/wireless/ralink/rt2x00/
H A Drt2500pci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
36 * Default offset is required for RSSI <-> dBm conversion.
218 * KICK_DECRYPT: Kick decryption engine, self-clear.
219 * ONE_SHOT: 0: ring mode, 1: One shot only mode.
228 * CSR11: Back-off control register.
229 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
230 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
267 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
287 * CFP: ASIC is in contention-free period.
[all …]
H A Drt2400pci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
25 * Default offset is required for RSSI <-> dBm conversion.
153 * CSR11: Back-off control register.
154 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
155 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
190 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
210 * CFP: ASIC is in contention-free period.
459 * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
544 * KICK_RX: Kick one-shot rx in one-shot rx mode.
[all …]
/linux/drivers/usb/host/
H A Dehci-mem.c1 // SPDX-License-Identifier: GPL-2.0+
6 /* this file is part of ehci-hcd.c */
8 /*-------------------------------------------------------------------------*/
12 * - data used only by the HCD ... kmalloc is fine
13 * - async and periodic schedules, shared by HC and HCD ... these
15 * - driver buffers, read/written by HC ... single shot DMA mapped
21 /*-------------------------------------------------------------------------*/
29 qtd->qtd_dma = dma; in ehci_qtd_init()
30 qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); in ehci_qtd_init()
31 qtd->hw_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
[all …]

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