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/linux/include/linux/regulator/
H A Dda9121.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * DA9121 Single-channel dual-phase 10A buck converter
4 * DA9130 Single-channel dual-phase 10A buck converter (Automotive)
5 * DA9217 Single-channel dual-phase 6A buck converter
6 * DA9122 Dual-channel single-phase 5A buck converter
7 * DA9131 Dual-channel single-phase 5A buck converter (Automotive)
8 * DA9220 Dual-channel single-phase 3A buck converter
9 * DA9132 Dual-channel single-phase 3A buck converter (Automotive)
/linux/Documentation/devicetree/bindings/regulator/
H A Ddlg,da9121.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Adam Ward <Adam.Ward.opensource@diasemi.com>
13 Dialog Semiconductor DA9121 Single-channel 10A double-phase buck converter
14 Dialog Semiconductor DA9122 Double-channel 5A single-phase buck converter
15 Dialog Semiconductor DA9220 Double-channel 3A single-phase buck converter
16 Dialog Semiconductor DA9217 Single-channel 6A double-phase buck converter
17 Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
18 Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
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H A Dnxp,pf8x00-regulator.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/nxp,pf8x00-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jagan Teki <jagan@amarulasolutions.com>
11 - Troy Kisky <troy.kisky@boundarydevices.com>
16 linear and one vsnvs regulators. It has built-in one time programmable
22 - nxp,pf8100
23 - nxp,pf8121a
24 - nxp,pf8200
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/linux/drivers/regulator/
H A Dda9121-regulator.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * DA9121 Single-channel dual-phase 10A buck converter
4 * DA9130 Single-channel dual-phase 10A buck converter (Automotive)
5 * DA9217 Single-channel dual-phase 6A buck converter
6 * DA9122 Dual-channel single-phase 5A buck converter
7 * DA9131 Dual-channel single-phase 5A buck converter (Automotive)
8 * DA9220 Dual-channel single-phase 3A buck converter
9 * DA9132 Dual-channel single-phase 3A buck converter (Automotive)
23 #include <dt-bindings/regulator/dlg,da9121-regulator.h>
H A Dda9121-regulator.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // DA9121 Single-channel dual-phase 10A buck converter
7 // DA9130 Single-channel dual-phase 10A buck converter (Automotive)
8 // DA9217 Single-channel dual-phase 6A buck converter
9 // DA9122 Dual-channel single-phase 5A buck converter
10 // DA9131 Dual-channel single-phase 5A buck converter (Automotive)
11 // DA9220 Dual-channel single-phase 3A buck converter
12 // DA9132 Dual-channel single-phase 3A buck converter (Automotive)
29 #include "da9121-regulator.h"
135 int buck_id; /* 0=core, 1/2-buck */
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/linux/Documentation/netlink/specs/
H A Ddpll.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 ---
8 -
16 -
20 -
23 render-max: true
24 -
26 name: lock-status
31 -
37 -
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/linux/lib/zstd/compress/
H A Dzstd_cwksp.h1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
6 * This source code is licensed under both the BSD-style license (found in the
9 * You may select, at your option, one of the above-listed licenses.
15 /*-*************************************
23 /*-*************************************
42 /*-*************************************
55 * expect a well-formed caller to free this.
63 * Zstd fits all its internal datastructures into a single continuous buffer,
64 * so that it only needs to perform a single OS allocation (or so that a buffer
71 * - These different internal datastructures have different setup requirements:
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/linux/drivers/hwmon/pmbus/
H A Dpli1209bc.c1 // SPDX-License-Identifier: GPL-2.0+
26 int phase, int reg) in pli1209bc_read_word_data() argument
33 data = pmbus_read_word_data(client, page, phase, reg); in pli1209bc_read_word_data()
37 return clamp_val(data, -32768, 32767) & 0xffff; in pli1209bc_read_word_data()
45 data = pmbus_read_word_data(client, page, phase, in pli1209bc_read_word_data()
51 return pmbus_read_word_data(client, page, phase, reg); in pli1209bc_read_word_data()
53 return -ENODATA; in pli1209bc_read_word_data()
97 * The pli1209 digital supervisor only contains a single BCM, making
115 client->dev.platform_data = &pli1209bc_plat_data; in pli1209bc_probe()
H A Ducd9200.c1 // SPDX-License-Identifier: GPL-2.0-or-later
82 if (!i2c_check_functionality(client->adapter, in ucd9200_probe()
85 return -ENODEV; in ucd9200_probe()
90 dev_err(&client->dev, "Failed to read device ID\n"); in ucd9200_probe()
94 dev_info(&client->dev, "Device ID %s\n", block_buffer); in ucd9200_probe()
96 for (mid = ucd9200_id; mid->name[0]; mid++) { in ucd9200_probe()
97 if (!strncasecmp(mid->name, block_buffer, strlen(mid->name))) in ucd9200_probe()
100 if (!mid->name[0]) { in ucd9200_probe()
101 dev_err(&client->dev, "Unsupported device\n"); in ucd9200_probe()
102 return -ENODEV; in ucd9200_probe()
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H A Dmax16601.c1 // SPDX-License-Identifier: GPL-2.0
11 * information for the VSA rail in a single instance of the driver.
19 * The chip supports reading per-phase temperatures and per-phase input/output
22 * register values and reports per-phase information in PMBus page 0.
65 return i2c_smbus_read_byte_data(data->vsa, reg); in max16601_read_byte()
66 return -EOPNOTSUPP; in max16601_read_byte()
68 return -ENODATA; in max16601_read_byte()
71 static int max16601_read_word(struct i2c_client *client, int page, int phase, in max16601_read_word() argument
81 if (phase == 0xff) in max16601_read_word()
82 return -ENODATA; in max16601_read_word()
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/linux/drivers/base/power/
H A Dcommon.c1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/common.c - Common device power management code.
19 * dev_pm_get_subsys_data - Create or refcount power.subsys_data for device.
32 return -ENOMEM; in dev_pm_get_subsys_data()
34 spin_lock_irq(&dev->power.lock); in dev_pm_get_subsys_data()
36 if (dev->power.subsys_data) { in dev_pm_get_subsys_data()
37 dev->power.subsys_data->refcount++; in dev_pm_get_subsys_data()
39 spin_lock_init(&psd->lock); in dev_pm_get_subsys_data()
40 psd->refcount = 1; in dev_pm_get_subsys_data()
41 dev->power.subsys_data = psd; in dev_pm_get_subsys_data()
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/linux/drivers/gpu/drm/i915/selftests/
H A Di915_syncmap.c41 for (d = 0; d < depth - 1; d++) { in __sync_print()
42 if (last & BIT(depth - d - 1)) in __sync_print()
47 *sz -= len; in __sync_print()
49 len = scnprintf(buf, *sz, "%x-> ", idx); in __sync_print()
51 *sz -= len; in __sync_print()
55 len = scnprintf(buf, *sz, "0x%016llx", p->prefix << p->height << SHIFT); in __sync_print()
57 *sz -= len; in __sync_print()
58 X = (p->height + SHIFT) / 4; in __sync_print()
59 scnprintf(buf - X, *sz + X, "%*s", X, "XXXXXXXXXXXXXXXXX"); in __sync_print()
61 if (!p->height) { in __sync_print()
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/linux/sound/firewire/bebob/
H A Dbebob_yamaha_terratec.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * bebob_yamaha.c - a part of driver for BeBoB based devices
5 * Copyright (c) 2013-2014 Takashi Sakamoto
12 * Yamaha GO44 is not designed to be used as stand-alone mixer. So any streams
16 * way to recover this state. GO46 is better for stand-alone mixer.
19 * At 192.0kHz, the device reports 4 PCM-in, 1 MIDI-in, 6 PCM-out, 1 MIDI-out.
20 * But Yamaha's driver reduce 2 PCM-in, 1 MIDI-in, 2 PCM-out, 1 MIDI-out to use
21 * 'Extended Stream Format Information Command - Single Request' in 'Additional
25 * Unfortunately current 'ffado-mixer' generated many asynchronous transaction
27 * recommend users to close ffado-mixer at 192.0kHz if mixer is needless.
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/linux/Documentation/bpf/libbpf/
H A Dlibbpf_overview.rst1 .. SPDX-License-Identifier: GPL-2.0
7 libbpf is a C-based library containing a BPF loader that takes compiled BPF
13 The following are the high-level features supported by libbpf:
15 * Provides high-level and low-level APIs for user space programs to interact
16 with BPF programs. The low-level APIs wrap all the bpf system call
17 functionality, which is useful when users need more fine-grained control
22 * Provides BPF-side APIS, including BPF helper definitions, BPF maps support,
24 * Supports BPF CO-RE mechanism, enabling BPF developers to write portable
42 The following section provides a brief overview of each phase in the BPF life
45 * **Open phase**: In this phase, libbpf parses the BPF
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/linux/Documentation/networking/
H A Dcan.rst2 SocketCAN - Controller Area Network
20 .. _socketcan-motivation:
29 functionality. Usually, there is only a hardware-specific device
32 Queueing of frames and higher-level transport protocols like ISO-TP
34 character-device implementations support only one single process to
47 protocol family module and also vice-versa. Also, the protocol family
57 communicate using a specific transport protocol, e.g. ISO-TP, just
60 CAN-IDs, frames, etc.
62 Similar functionality visible from user-space could be provided by a
74 * **Abstraction:** In most existing character-device implementations, the
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/linux/include/linux/iio/frequency/
H A Dad9523.h1 /* SPDX-License-Identifier: GPL-2.0-only */
38 * struct ad9523_channel_spec - Output channel configuration
42 * @sync_ignore_en: Ignore chip-level SYNC signal.
47 * @divider_phase: Divider initial phase after a SYNC. Range 0..63
49 * @channel_divider: 10-bit channel divider.
106 * struct ad9523_platform_data - platform specific information
109 * @refa_diff_rcv_en: REFA differential/single-ended input selection.
110 * @refb_diff_rcv_en: REFB differential/single-ended input selection.
111 * @zd_in_diff_en: Zero Delay differential/single-ended input selection.
112 * @osc_in_diff_en: OSC differential/ single-ended input selection.
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/linux/drivers/scsi/
H A Ddc395x.c6 * (SCSI chip set used Tekram ASIC TRM-S1040)
11 * (C) Copyright 1995-1999 Tekram Technology Co., Ltd.
14 * (C) 1999-2000 Kurt Garloff
72 #define DC395X_BANNER "Tekram DC395(U/UW/F), DC315(U) - ASIC TRM-S1040"
75 /*---------------------------------------------------------------------------
77 ---------------------------------------------------------------------------*/
94 #define DC395x_LOCK_IO(dev,flags) spin_lock_irqsave(((struct Scsi_Host *)dev)->host_lock, flags)
95 #define DC395x_UNLOCK_IO(dev,flags) spin_unlock_irqrestore(((struct Scsi_Host *)dev)->host_lock, f…
97 #define DC395x_read8(acb,address) (u8)(inb(acb->io_port_base + (address)))
98 #define DC395x_read16(acb,address) (u16)(inw(acb->io_port_base + (address)))
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/linux/arch/microblaze/include/asm/
H A Dhash.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * multiply using shifts and adds. GCC can find a 9-step solution, but
12 * this 6-step solution was found by Yevgen Voronenko's implementation
15 * That software is really not designed for a single multiplier this large,
17 * 6-shift, 6-add sequences for computing x * 0x61C88647. They are all
21 * return (a<<11) + (b<<6) + (c<<3) - b;
37 /* Phase 1: Compute three intermediate values */ in __hash_32()
43 /* Phase 2: Compute (a << 11) + (b << 6) + (c << 3) - b */ in __hash_32()
49 return a - b; /* (a << 11) + (b << 6) + (c << 3) - b */ in __hash_32()
56 * addition-subtraction chain. This one is not known to be in __hash_32()
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/linux/drivers/iio/adc/
H A Dad7944.c1 // SPDX-License-Identifier: GPL-2.0-only
26 #include <linux/iio/buffer-dmaengine.h>
40 /* datasheet calls this "4-wire mode" */
42 /* datasheet calls this "3-wire mode" (not related to SPI_3WIRE!) */
48 /* maps adi,spi-mode property value to enum */
51 [AD7944_SPI_MODE_SINGLE] = "single",
67 /* Chip-specific timing specifications. */
73 /* Indicates TURBO is hard-wired to be always enabled. */
118 * AD7944_DEFINE_CHIP_INFO - Define a chip info structure for a specific chip
170 * - There is no soft timestamp since everything is done in hardware.
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/linux/Documentation/devicetree/bindings/iio/frequency/
H A Dadi,admv1013.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
21 - adi,admv1013
26 spi-max-frequency:
34 clock-names:
36 - const: lo_in
38 vcm-supply:
42 vcc-drv-supply:
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H A Dadi,admv1014.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
21 - adi,admv1014
26 spi-max-frequency:
32 clock-names:
34 - const: lo_in
38 vcm-supply:
40 Common-mode voltage regulator.
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/linux/drivers/scsi/sym53c8xx_2/
H A Dsym_defs.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * of PCI-SCSI IO processors.
6 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
9 * Copyright (C) 1998-2000 Gerard Roudier
12 * a port of the FreeBSD ncr driver to Linux-1.2.13.
16 * Stefan Esser <se@mi.Uni-Koeln.de>
24 *-----------------------------------------------------------------------------
31 #define SYM_DRIVER_NAME "sym-" SYM_VERSION
40 u_char burst_max; /* log-base-2 of max burst */
48 #define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */
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/linux/tools/power/pm-graph/
H A Dsleepgraph.py2 # SPDX-License-Identifier: GPL-2.0-only
21 # https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/overview.html
23 # git@github.com:intel/pm-graph
32 # time in suspend/resume. The output is a single html file which can be
51 # ----------------- LIBRARIES --------------------
74 print('[%09.3f] %s' % (time.time()-mystarttime, msg))
82 # ----------------- CLASSES --------------------
86 # A global, single-instance container used to
108 cgtest = -1
183 tmstart = 'SUSPEND START %Y%m%d-%H:%M:%S.%f'
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/linux/include/linux/
H A Dww_mutex.h1 /* SPDX-License-Identifier: GPL-2.0 */
35 #define ww_mutex_base_is_locked(b) rt_mutex_base_is_locked(&(b)->rtmutex)
98 * ww_mutex_init - initialize the w/w mutex
111 ww_mutex_base_init(&lock->base, ww_class->mutex_name, &ww_class->mutex_key); in ww_mutex_init()
112 lock->ctx = NULL; in ww_mutex_init()
114 lock->ww_class = ww_class; in ww_mutex_init()
119 * ww_acquire_init - initialize a w/w acquire context
125 * Context-based w/w mutex acquiring can be done in any order whatsoever within
129 * Mixing of context-based w/w mutex acquiring and single w/w mutex locking can
145 ctx->task = current; in ww_acquire_init()
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/linux/sound/soc/tegra/
H A Dtegra20_spdif.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * tegra20_spdif.h - Definitions for Tegra20 SPDIF driver
6 * Copyright (C) 2011 - NVIDIA, Inc.
9 * Copyright (c) 2008-2009, NVIDIA Corporation
92 * 0 = Single data (16 bit needs to be padded to match the
94 * 1 = Packeted left/right channel data into a single word.
169 /* B-preamble detection status: 0=not detected, 1=B-preamble detected */
210 * bi-phase period.
215 /* Data strobe mode: 0=Auto-locked 1=Manual locked */
219 * Manual data strobe time within the bi-phase clock period (in terms of
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