Home
last modified time | relevance | path

Searched +full:power +full:- +full:saving (Results 1 – 25 of 295) sorted by relevance

12345678910>>...12

/linux/drivers/media/tuners/
H A Dtda18250_priv.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
18 #define R05_POWER1 0x05 /* Power byte 1 */
19 #define R06_POWER2 0x06 /* Power byte 2 */
57 #define R2C_PS1 0x2c /* power saving mode byte 1 */
58 #define R2D_PS2 0x2d /* power saving mode byte 2 */
59 #define R2E_PS3 0x2e /* power saving mode byte 3 */
80 #define R43_PD1 0x43 /* power down byte 1 */
81 #define R44_PD2 0x44 /* power down byte 2 */
82 #define R45_PD 0x45 /* power down */
/linux/Documentation/devicetree/bindings/powerpc/4xx/
H A Dcpm.txt1 PPC4xx Clock Power Management (CPM) node
4 - compatible : compatible list, currently only "ibm,cpm"
5 - dcr-access-method : "native"
6 - dcr-reg : < DCR register range >
9 - er-offset : All 4xx SoCs with a CPM controller have
15 er-offset = <1>.
16 - unused-units : specifier consist of one cell. For each
20 - idle-doze : specifier consist of one cell. For each
24 - standby : specifier consist of one cell. For each
28 - suspend : specifier consist of one cell. For each
[all …]
/linux/drivers/net/wireless/intel/iwlegacy/
H A Dcsr.h8 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
69 * whenever platform supplies power to device, even when device is in
70 * low power states due to driver-invoked device resets
71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
86 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */
100 * 31-8: Reserved
101 * 7-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions
102 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D
[all …]
/linux/drivers/net/wireless/broadcom/b43/
H A Dmain.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
13 driver Copyright(c) 2003 - 2004 Intel Corporation.
40 B43_VERBOSITY_MAX = __B43_VERBOSITY_AFTERLAST - 1,
80 #define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */
81 #define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */
/linux/tools/perf/pmu-events/arch/x86/jaketown/
H A Duncore-memory.json12 … "BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; All DRAM WR_CAS (w/ and w/out auto-pre)",
30 … "BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; All DRAM RD_CAS (w/ and w/out auto-pre)",
57 …"BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Read…
66 …"BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Writ…
79 "PublicDescription": "Uncore Fixed Counter - uclks",
126 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
136 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
146 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
156 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
184 …ts should commonly be used with Invert to get the number of cycles in power saving mode. Edge Det…
[all …]
/linux/drivers/gpu/drm/amd/display/dc/dccg/dcn21/
H A Ddcn21_dccg.c35 (dccg_dcn->regs->reg)
39 dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name
42 dccg_dcn->base.ctx
44 dccg->ctx->logger
50 if (dccg->ref_dppclk) { in dccg21_update_dpp_dto()
51 int ref_dppclk = dccg->ref_dppclk; in dccg21_update_dpp_dto()
62 * to run time lower clocks when possible for power saving in dccg21_update_dpp_dto()
82 * DTO should be on to divide down un-used in dccg21_update_dpp_dto()
83 * pipe clock for power saving in dccg21_update_dpp_dto()
96 dccg->pipe_dppclk_khz[dpp_inst] = req_dppclk; in dccg21_update_dpp_dto()
[all …]
/linux/sound/drivers/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
50 tristate "PC-Speaker support (READ HELP!)"
60 You can compile this as a module which will be called snd-pcsp.
65 pc-speaker a default sound device. Which is likely not
69 options snd-pcsp index=2
71 You don't need this driver if you only want your pc-speaker to beep.
90 will be called snd-dummy.
99 the standard ALSA PCM device. The devices are routed 0->1 and
100 1->0, where first number is the playback PCM device and second
106 timing source using the time shift universal control (+-20%
[all …]
/linux/drivers/net/wireless/intel/iwlwifi/
H A Diwl-csr.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2005-2014, 2018-2025 Intel Corporation
4 * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
13 * whenever platform supplies power to device, even when device is in
14 * low power states due to driver-invoked device resets
15 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
30 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */
37 #define CSR_FUNC_SCRATCH (CSR_BASE+0x02c) /* Scratch register - used for FW dbg */
45 * 31-16: Reserved
46 * 15-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions
[all …]
/linux/Documentation/devicetree/bindings/gpio/
H A Dgpio-consumer-common.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-consumer-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bartosz Golaszewski <brgl@bgdev.pl>
11 - Linus Walleij <linus.walleij@linaro.org>
20 enable-gpios:
25 reset-gpios:
27 GPIO (or GPIOs for power sequence) connected to the device reset pin
30 powerdown-gpios:
[all …]
/linux/tools/power/cpupower/man/
H A Dcpupower-info.11 .TH CPUPOWER\-INFO "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-info \- Shows processor power related kernel or hardware configurations
6 .B cpupower info [ \-b ]
10 registers affecting processor power saving policies.
13 of core zero are displayed only. cpupower --cpu all cpuinfo will show the
19 cpupower(1), cpupower-set(1)
H A Dcpupower.13 cpupower \- Shows and sets processor power related values
6 .B cpupower [ \-c cpulist ] <command> [ARGS]
8 .B cpupower \-v|\-\-version
10 .B cpupower \-h|\-\-help
13 \fBcpupower \fP is a collection of tools to examine and tune power saving
16 The manpages of the commands (cpupower\-<command>(1)) provide detailed
22 \-\-help, \-h
27 \-\-cpu cpulist, \-c cpulist
33 Some commands access all cores (typically the *\-set commands), some only
34 the first core (typically the *\-info commands) by default.
[all …]
H A Dcpupower-set.11 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL | \-e POLICY | \-m MODE | \-t BOOL ]
11 registers affecting processor power saving policies.
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
30 The range of valid numbers is 0-15, where 0 is maximum
33 The processor uses this information in model-specific ways
34 when it must select trade-offs between performance and
38 (P-states) or CPU Idle power states (C-states), but allows
[all …]
/linux/Documentation/power/
H A Dswsusp.rst32 power states like "standby", which normally don't turn USB off.)
36 line or specify it using /sys/power/resume.
41 in /sys/power/resume_offset.
45 echo shutdown > /sys/power/disk; echo disk > /sys/power/state
47 - If you feel ACPI works pretty well on your system, you might try::
49 echo platform > /sys/power/disk; echo disk > /sys/power/state
51 - If you would like to write hibernation image to swap and then suspend
54 echo suspend > /sys/power/disk; echo disk > /sys/power/state
56 - If you have SATA disks, you'll need recent kernels with SATA suspend
58 are built into kernel -- not modules. [There's way to make
[all …]
H A Duserland-swsusp.rst93 resume_swap_area, as defined in kernel/power/suspend_ioctls.h,
96 swap files (see Documentation/power/swsusp-and-swap-files.rst for
109 immediately enter the suspend-to-RAM state, so this call must always
112 is needed to implement the suspend-to-both mechanism in which the
115 to resume the system from RAM if there's enough battery power or restore
121 - you cannot read() more than one virtual memory page at a time
122 - read()s across page boundaries are impossible (ie. if you read() 1/2 of
156 SNAPSHOT_ATOMIC_RESTORE will not succeed. Still, this is not a fool-proof
168 created and the system is ready for saving it):
182 use it for saving the image).
/linux/Documentation/sound/soc/
H A Doverview.rst6 provide better ALSA support for embedded system-on-chip processors (e.g.
9 had some limitations:-
12 CPU. This is not ideal and leads to code duplication - for example,
18 machine specific code to re-route audio, enable amps, etc., after such an
21 * Drivers tended to power up the entire codec when playing (or
23 power on portable devices. There was also no support for saving
24 power via changing codec oversampling rates, bias currents, etc.
31 features :-
41 * Dynamic Audio Power Management (DAPM). DAPM automatically sets the codec to
42 its minimum power state at all times. This includes powering up/down
[all …]
/linux/arch/powerpc/platforms/
H A DKconfig.cputype1 # SPDX-License-Identifier: GPL-2.0
7 bool "64-bit kernel"
10 This option selects whether a 32-bit or a 64-bit kernel
267 default "-mtune=power10" if $(cc-option,-mtune=power10)
268 default "-mtune=power9" if $(cc-option,-mtune=power9)
269 default "-mtune=power8" if $(cc-option,-mtune=power8)
346 This option enables kernel support for larger than 32-bit physical
351 is platform-dependent.
361 PowerPC processor. The kernel currently supports saving and restoring
367 any affect on a non-altivec cpu (it does, however add code to the
[all …]
/linux/Documentation/devicetree/bindings/power/
H A Dpower_domain.txt4 used for power gating of selected IP blocks for power saving by reduced leakage
12 #power-domain-cells property in the PM domain provider node.
16 See power-domain.yaml.
21 - power-domains : A list of PM domain specifiers, as defined by bindings of
22 the power controller that is the PM domain provider.
25 - power-domain-names : A list of power domain name strings sorted in the same
26 order as the power-domains property. Consumers drivers will use
27 power-domain-names to match power domains with power-domains
32 leaky-device@12350000 {
33 compatible = "foo,i-leak-current";
[all …]
/linux/drivers/firmware/arm_scmi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 set of operating system-independent software interfaces that are
11 interfaces for: Discovery and self-description of the interfaces
12 it supports, Power domain management which is the ability to place
13 a given device or domain into the various power-saving states that
80 The framework allows the definition of platform-specific code quirks
91 tristate "SCMI system power control driver"
94 This enables System Power control logic which binds system shutdown or
95 reboot actions to SCMI System Power notifications generated by SCP
/linux/Documentation/admin-guide/pm/
H A Dsleep-states.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Sleep states are global low-power states of the entire system in which user
28 Suspend-to-Idle
29 ---------------
31 This is a generic, pure software, light-weight variant of system suspend (also
34 I/O devices into low-power states (possibly lower-power than available in the
38 The system is woken up from this state by in-band interrupts, so theoretically
43 or :ref:`suspend-to-RAM <s2ram>`, or it can be used in addition to any of the
50 -------
54 operating state is lost (the system core logic retains power), so the system can
[all …]
/linux/drivers/net/wireless/marvell/mwifiex/
H A Dsta_cmdresp.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2011-2020 NXP
25 * For Power Save command failure, we do not retry enter PS
26 * command in case of Ad-hoc mode.
35 struct mwifiex_adapter *adapter = priv->adapter; in mwifiex_process_cmdresp_error()
40 resp->command, resp->result); in mwifiex_process_cmdresp_error()
42 if (adapter->curr_cmd->wait_q_enabled) in mwifiex_process_cmdresp_error()
43 adapter->cmd_wait_q.status = -1; in mwifiex_process_cmdresp_error()
45 switch (le16_to_cpu(resp->command)) { in mwifiex_process_cmdresp_error()
47 pm = &resp->params.psmode_enh; in mwifiex_process_cmdresp_error()
[all …]
/linux/include/dt-bindings/regulator/
H A Dactive-semi,8865-regulator.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 * specifies the usage of fixed-frequency
20 * the usage of proprietary power-saving
H A Dactive-semi,8945a-regulator.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 * specifies the usage of fixed-frequency
22 * the usage of proprietary power-saving
/linux/sound/soc/codecs/
H A Dadau1781.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2011-2013 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
95 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
99 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
102 "Normal operation", "Power saving", "Enhanced performance",
106 "Normal operation", "Extreme power saving", "Power saving",
176 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in adau1781_dejitter_fixup()
179 /* After any power changes have been made the dejitter circuit in adau1781_dejitter_fixup()
181 regmap_write(adau->regmap, ADAU1781_DEJITTER, 0); in adau1781_dejitter_fixup()
[all …]
/linux/Documentation/devicetree/bindings/display/mediatek/
H A Dmediatek,aal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chun-Kuang Hu <chunkuang.hu@kernel.org>
11 - Philipp Zabel <p.zabel@pengutronix.de>
15 is responsible for backlight power saving and sunlight visibility improving.
24 - enum:
25 - mediatek,mt8173-disp-aal
26 - mediatek,mt8183-disp-aal
27 - mediatek,mt8195-mdp3-aal
[all …]
/linux/drivers/infiniband/hw/hfi1/
H A Daspm.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright(c) 2015-2017 Intel Corporation.
15 ASPM_MODE_ENABLED = 1, /* ASPM always enabled, power saving mode */
29 if (likely(!rcd->aspm_intr_supported)) in aspm_ctx_disable()

12345678910>>...12