| /linux-6.14.4/drivers/platform/x86/ |
| D | intel_ips.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2009-2010 Intel Corporation
10 * Some Intel Ibex Peak based platforms support so-called "intelligent
11 * power sharing", which allows the CPU and GPU to cooperate to maximize
14 * power statistics in the platform, and initializes power monitoring
17 * by tracking power and thermal budget; secondarily it can boost turbo
18 * performance by allocating more power or thermal budget to the CPU or GPU
22 * thermal headroom is available, the CPU and/or GPU power clamps may be
34 * - dual MCP configs
37 * - handle CPU hotplug
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| /linux-6.14.4/drivers/powercap/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # Generic power capping sysfs interface configuration
9 The power capping sysfs interface allows kernel subsystems to expose power
12 power zones representing parts of the system that can be subject to power
29 This enables support for the Intel Running Average Power Limit (RAPL)
30 technology via MSR interface, which allows power limits to be enforced
35 controller, CPU core (Power Plane 0), graphics uncore (Power Plane
44 This enables support for the Intel Running Average Power Limit (RAPL)
45 technology via TPMI interface, which allows power limits to be enforced
59 CPUs for power capping. Idle period can be injected
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| D | intel_rapl_msr.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Intel Running Average Power Limit (RAPL) Driver via MSR interface
26 #include <asm/intel-family.h>
54 .limits[RAPL_DOMAIN_PACKAGE] = BIT(POWER_LIMIT2),
55 .limits[RAPL_DOMAIN_PLATFORM] = BIT(POWER_LIMIT2),
65 /* Handles CPU hotplug on multi-socket systems.
70 * per-domain level.
82 cpumask_set_cpu(cpu, &rp->cpumask); in rapl_cpu_online()
95 cpumask_clear_cpu(cpu, &rp->cpumask); in rapl_cpu_down_prep()
96 lead_cpu = cpumask_first(&rp->cpumask); in rapl_cpu_down_prep()
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| /linux-6.14.4/Documentation/hwmon/ |
| D | stpddc60.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: -
14 Datasheet: https://flexpowermodules.com/documents/fpm-techspec-bmr481
20 -----------
26 Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core for details
31 -----------
33 This driver does not auto-detect devices. You will have to instantiate the
34 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
37 The vout under- and over-voltage limits are set in relation to the commanded
39 in 50mV steps. This means that the absolute values of the limits will change
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| D | pmbus.rst | 12 Addresses scanned: -
23 Addresses scanned: -
27 https://www.onsemi.com/pub_link/Collateral/ADP4000-D.PDF
29 https://www.onsemi.com/pub_link/Collateral/NCP4200-D.PDF
31 https://www.onsemi.com/pub_link/Collateral/JUNE%202009-%20REV.%200.PDF
33 * Lineage Power
37 Addresses scanned: -
55 Addresses scanned: -
73 Addresses scanned: -
83 Addresses scanned: -
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| D | ltc2992.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
15 -----------
17 This driver supports hardware monitoring for Linear Technology LTC2992 power monitor.
19 LTC2992 is a rail-to-rail system monitor that measures current,
20 voltage, and power of two supplies.
27 -------------
29 The following attributes are supported. Limits are read-write,
30 all other attributes are read-only.
50 powerX_input Measured power.
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| D | pli1209bc.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: 0x50 - 0x5F
14 Datasheet: https://www.vicorpower.com/documents/datasheets/ds-PLI1209BCxyzz-VICOR.pdf
17 - Marcello Sylvester Bauer <[email protected]>
20 -----------
22 The Vicor PLI1209BC is an isolated digital power system supervisor that provides
26 can configure, set protection limits, and monitor the BCM.
29 -------------
62 power1_input Input power.
63 power1_alarm Input power alarm.
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| D | adm1026.rst | 16 - Philip Pokorny <[email protected]> for Penguin Computing
17 - Justin Thiessen <[email protected]>
20 -----------------
23 List of GPIO pins (0-16) to program as inputs
26 List of GPIO pins (0-16) to program as outputs
29 List of GPIO pins (0-16) to program as inverted
32 List of GPIO pins (0-16) to program as normal/non-inverted
35 List of GPIO pins (0-7) to program as fan tachs
39 -----------
45 16 general purpose digital I/O lines, eight (8) fan speed sensors (8-bit),
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| /linux-6.14.4/include/linux/ |
| D | intel_rapl.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
25 RAPL_DOMAIN_PP0, /* core power plane */
57 PL1_ENABLE, /* power limit 1, aka long term */
59 PL2_ENABLE, /* power limit 2, aka short term, instantaneous */
61 PL4_ENABLE, /* power limit 4, aka max peak power */
138 * @reg_unit: Register for getting energy/power/time unit.
140 * @limits: Number of power limits supported by each domain.
154 int limits[RAPL_DOMAIN_MAX]; member
164 * @scale: Scale of 2^-32 Joules for each energy counter increase.
181 /* maximum rapl package domain name: package-%d-die-%d */
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| /linux-6.14.4/drivers/net/ipa/ |
| D | ipa_data.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2019-2024 Linaro Ltd.
18 * Boot-time configuration data is used to define the configuration of the
22 * channels, memory, power and so on are allocated and used for the
26 * configuration data defines the number (or limits of the number) of various
41 * together, establishing the endpoint_id->(EE, channel_id) mapping.
52 /** enum ipa_qsb_master_id - array index for IPA QSB configuration data */
59 * struct ipa_qsb_data - Qualcomm System Bus configuration data
62 * @max_reads_beats: Max outstanding read bytes in 8-byte "beats" (if non-zero)
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| /linux-6.14.4/Documentation/admin-guide/pm/ |
| D | intel_pstate.rst | 1 .. SPDX-License-Identifier: GPL-2.0
22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.]
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
27 information about that). For this reason, the representation of P-states used
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
43 time the corresponding CPU is taken offline and need to be re-initialized when
47 only way to pass early-configuration-time parameters to it is via the kernel
66 -----------
69 hardware-managed P-states (HWP) support. If it works in this mode, the
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| /linux-6.14.4/include/linux/regulator/ |
| D | machine.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * machine.h -- SoC Regulator support, machine/board driver API.
44 * DO_NOTHING_IN_SUSPEND - the default value
45 * DISABLE_IN_SUSPEND - turn off regulator in suspend states
46 * ENABLE_IN_SUSPEND - keep regulator on in suspend states
53 * Default time window (in milliseconds) following a critical under-voltage
67 * struct regulator_state - regulator state during low power system states
69 * This describes a regulators state during a system wide low power
79 * - DO_NOTHING_IN_SUSPEND
80 * - DISABLE_IN_SUSPEND
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| /linux-6.14.4/block/ |
| D | blk-settings.c | 1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/blk-integrity.h>
11 #include <linux/backing-dev-defs.h>
16 #include <linux/dma-mapping.h>
19 #include "blk-rq-qos.h"
20 #include "blk-wbt.h"
24 q->rq_timeout = timeout; in blk_queue_rq_timeout()
29 * blk_set_stacking_limits - set default limits for stacking devices
32 * Prepare queue limits for applying limits from underlying devices using
38 lim->logical_block_size = SECTOR_SIZE; in blk_set_stacking_limits()
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| /linux-6.14.4/drivers/clk/ |
| D | clk-axi-clkgen.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2012-2013 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <[email protected]>
11 #include <linux/clk-provider.h>
60 struct axi_clkgen_limits limits; member
126 static void axi_clkgen_calc_params(const struct axi_clkgen_limits *limits, in axi_clkgen_calc_params() argument
144 d_min = max_t(unsigned long, DIV_ROUND_UP(fin, limits->fpfd_max), 1); in axi_clkgen_calc_params()
145 d_max = min_t(unsigned long, fin / limits->fpfd_min, 80); in axi_clkgen_calc_params()
148 fvco_min_fract = limits->fvco_min << fract_shift; in axi_clkgen_calc_params()
149 fvco_max_fract = limits->fvco_max << fract_shift; in axi_clkgen_calc_params()
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| /linux-6.14.4/Documentation/devicetree/bindings/media/ |
| D | samsung,exynos4210-fimc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/media/samsung,exynos4210-fimc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <[email protected]>
11 - Sylwester Nawrocki <[email protected]>
20 - samsung,exynos4210-fimc
21 - samsung,exynos4212-fimc
22 - samsung,s5pv210-fimc
30 clock-names:
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| /linux-6.14.4/include/linux/platform_data/ |
| D | tsl2772.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
7 * Copyright (c) 2017-2018 Brian Masney <[email protected]>
30 /* LED Power */
37 * struct tsl2772_settings - Settings for the tsl2772 driver
40 * (256 - als_time) * 2.73.
47 * (256 - prx_time) * 2.73.
52 * @als_persistence: H/W Filters, Number of 'out of limits' ALS readings.
56 * @prox_persistence: H/W Filters, Number of 'out of limits' proximity
66 * @prox_power The amount of power to use for the external LED(s).
92 * struct tsl2772_platform_data - Platform callback, glass and defaults
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| /linux-6.14.4/drivers/gpu/drm/i915/gt/ |
| D | intel_rps_types.h | 1 /* SPDX-License-Identifier: MIT */
41 * struct intel_rps_freq_caps - rps freq capabilities
42 * @rp0_freq: non-overclocked max frequency
43 * @rp1_freq: "less than" RP0 power/freqency
60 * i915->irq_lock
76 * Soft limits are those which are used for the dynamic reclocking done
78 * lighter loads). Hard limits are those imposed by the hardware.
92 u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */
93 u8 rp1_freq; /* "less than" RP0 power/freqency */
94 u8 rp0_freq; /* Non-overclocked max frequency. */
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| D | intel_rps.c | 1 // SPDX-License-Identifier: MIT
43 return rps_to_gt(rps)->i915; in rps_to_i915()
48 return rps_to_gt(rps)->uncore; in rps_to_uncore()
55 return >_to_guc(gt)->slpc; in rps_to_slpc()
62 return intel_uc_uses_guc_slpc(>->uc); in rps_uses_slpc()
67 return mask & ~rps->pm_intrmsk_mbz; in rps_pm_sanitize_mask()
90 last = engine->stats.rps; in rps_timer()
91 engine->stats.rps = dt; in rps_timer()
99 last = rps->pm_timestamp; in rps_timer()
100 rps->pm_timestamp = timestamp; in rps_timer()
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| /linux-6.14.4/drivers/firmware/arm_scmi/ |
| D | perf.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2023 ARM Ltd.
8 #define pr_fmt(fmt) "SCMI Notifications PERF - " fmt
53 u32 power; member
129 __le32 power; member
140 __le32 power; member
175 if (_opp->indicative_freq == f_) \
203 ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, in scmi_perf_attributes_get()
208 attr = t->rx.buf; in scmi_perf_attributes_get()
210 ret = ph->xops->do_xfer(ph, t); in scmi_perf_attributes_get()
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| /linux-6.14.4/arch/arm/boot/dts/samsung/ |
| D | exynos4210.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
20 #include "exynos4-cpu-thermal.dtsi"
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
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| D | exynos4x12.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
19 #include "exynos4-cpu-thermal.dtsi"
27 fimc-lite0 = &fimc_lite_0;
28 fimc-lite1 = &fimc_lite_1;
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
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| /linux-6.14.4/Documentation/devicetree/bindings/net/wireless/ |
| D | mediatek,mt76.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Felix Fietkau <[email protected]>
12 - Lorenzo Bianconi <[email protected]>
13 - Ryder Lee <[email protected]>
25 - mediatek,mt76
26 - mediatek,mt7628-wmac
27 - mediatek,mt7622-wmac
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| /linux-6.14.4/drivers/hwmon/ |
| D | ina2xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for Texas Instruments INA219, INA226 power monitor chips
6 * Zero Drift Bi-Directional Current/Power Monitor with I2C Interface
10 * Bi-Directional Current/Power Monitor with I2C Interface
14 * Bi-Directional Current/Power Monitor with I2C Interface
18 * Bi-directional Current/Power Monitor with I2C Interface
59 /* settings - depend on use case */
142 bool has_alerts; /* chip supports alerts and limits */
259 val = DIV_ROUND_CLOSEST((s16)regval, data->config->shunt_div); in ina2xx_get_value()
262 val = (regval >> data->config->bus_voltage_shift) * in ina2xx_get_value()
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| /linux-6.14.4/drivers/net/wireless/broadcom/brcm80211/brcmsmac/ |
| D | channel.c | 41 * maxpwr[0] - channels [34-48]
42 * maxpwr[1] - channels [52-60]
43 * maxpwr[2] - channels [62-64]
44 * maxpwr[3] - channels [100-140]
45 * maxpwr[4] - channels [149-165]
47 #define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */
54 /* macro to get 5 GHz channel group index for tx power */
60 #define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0)
61 #define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \
64 #define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \
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| /linux-6.14.4/Documentation/ABI/testing/ |
| D | sysfs-devices-system-cpu | 2 Date: pre-git history
3 Contact: Linux kernel mailing list <linux-[email protected]>
18 Contact: Linux kernel mailing list <linux-[email protected]>
19 Description: CPU topology files that describe kernel limits related to
37 See Documentation/admin-guide/cputopology.rst for more information.
43 Contact: Linux kernel mailing list <linux-[email protected]>
58 Contact: Linux memory management mailing list <linux-[email protected]>
67 /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2
77 Contact: Linux kernel mailing list <linux-[email protected]>
89 core_siblings_list: human-readable list of the logical CPU
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|