Home
last modified time | relevance | path

Searched +full:re +full:- +full:tuning (Results 1 – 25 of 122) sorted by relevance

12345

/linux/include/linux/mmc/
H A Dhost.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <linux/fault-inject.h>
18 #include <linux/dma-direction.h>
19 #include <linux/blk-crypto-profile.h>
187 * ios->clock might be 0. For some controllers, setting 0Hz
197 * 1 for a read-only card
198 * -ENOSYS when not supported (equal to NULL callback)
207 * -ENOSYS when not supported (equal to NULL callback)
224 /* The tuning command opcode value is different for SD and eMMC cards */
230 /* Execute HS400 tuning depending host driver */
[all …]
/linux/Documentation/admin-guide/sysctl/
H A Dindex.rst7 ------------------------------------------------------------------------------
18 be actually used, not just for the fun of programming it :-)
20 ------------------------------------------------------------------------------
37 you're the last RTFMing person to screw up.
39 In short, e-mail your suggestions, corrections and / or horror
44 --------------------------------------------------------------
50 at run-time, and the /proc/sys/ directory is there so that you
55 - a running Linux system
56 - root access
57 - common sense (this is especially hard to come by these days)
[all …]
/linux/Documentation/devicetree/bindings/mmc/
H A Dmarvell,xenon-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
20 - Ulf Hansson <ulf.hansson@linaro.org>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
29 - items:
[all …]
/linux/mm/damon/
H A Dreclaim.c1 // SPDX-License-Identifier: GPL-2.0
3 * DAMON-based page reclamation
8 #define pr_fmt(fmt) "damon-reclaim: " fmt
14 #include "modules-common.h"
26 * do no real monitoring and reclamation due to the watermarks-based activation
37 * of parametrs except ``enabled`` again. Once the re-reading is done, this
39 * re-reading, DAMON_RECLAIM will be disabled.
66 * Desired level of memory pressure-stall time in microseconds.
70 * memory pressure is incurred. System-wide ``some`` memory PSI in microseconds
73 * disabling this auto-tuning feature.
[all …]
/linux/Documentation/admin-guide/mm/damon/
H A Dreclaim.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based Reclamation
7 DAMON-based Reclamation (DAMON_RECLAIM) is a static kernel module that aimed to
9 It doesn't aim to replace the LRU-list based page_granularity reclamation, but
15 On general memory over-committed systems, proactively reclaiming cold pages
20 Free Pages Reporting [3]_ based memory over-commit virtualization systems are
24 guests could be not so memory-frugal, mainly because some kernel subsystems and
25 user-space applications are designed to use as much memory as available. Then,
54 -------
60 no real monitoring and reclamation due to the watermarks-based activation
[all …]
/linux/drivers/mmc/host/
H A Drenesas_sdhi_core.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015-19 Renesas Electronics Corporation
6 * Copyright (C) 2016-19 Sang Engineering, Wolfram Sang
7 * Copyright (C) 2016-17 Horms Solutions, Simon Horman
13 * Copyright 2004-2005 Phil Blundell
14 * Copyright 2007-2008 OpenedHand Ltd.
27 #include <linux/mmc/slot-gpio.h>
30 #include <linux/pinctrl/pinctrl-state.h>
95 struct mmc_host *mmc = host->mmc; in renesas_sdhi_clk_enable()
99 ret = clk_prepare_enable(priv->clk_cd); in renesas_sdhi_clk_enable()
[all …]
H A Dsdhci-xenon-phy.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Date: 2016-8-24
17 #include "sdhci-pltfm.h"
18 #include "sdhci-xenon.h"
197 /* Divider for calculating Tuning Step */
209 params = devm_kzalloc(mmc_dev(host->mmc), sizeof(*params), GFP_KERNEL); in xenon_alloc_emmc_phy()
211 return -ENOMEM; in xenon_alloc_emmc_phy()
213 priv->phy_params = params; in xenon_alloc_emmc_phy()
214 if (priv->phy_type == EMMC_5_0_PHY) in xenon_alloc_emmc_phy()
215 priv->emmc_phy_regs = &xenon_emmc_5_0_phy_regs; in xenon_alloc_emmc_phy()
[all …]
H A Dsdhci_am654.c1 // SPDX-License-Identifier: GPL-2.0
3 * sdhci_am654.c - SDHCI driver for TI's AM654 SOCs
5 * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com
18 #include "sdhci-cqhci.h"
19 #include "sdhci-pltfm.h"
88 #define SDHCI_AM654_AUTOSUSPEND_DELAY -1
108 [MMC_TIMING_LEGACY] = {"ti,otap-del-sel-legacy",
109 "ti,itap-del-sel-legacy",
111 [MMC_TIMING_MMC_HS] = {"ti,otap-del-sel-mmc-hs",
112 "ti,itap-del-sel-mmc-hs",
[all …]
H A Ddw_mmc-rockchip.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/mmc/slot-gpio.h>
16 #include "dw_mmc-pltfm.h"
41 * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
46 unsigned long rate = clk_get_rate(host->ciu_clk); in rockchip_mmc_get_internal_phase()
78 struct dw_mci_rockchip_priv_data *priv = host->priv; in rockchip_mmc_get_phase()
79 struct clk *clock = sample ? priv->sample_clk : priv->drv_clk; in rockchip_mmc_get_phase()
81 if (priv->internal_phase) in rockchip_mmc_get_phase()
89 unsigned long rate = clk_get_rate(host->ciu_clk); in rockchip_mmc_set_internal_phase()
105 * for people to debug unstable mmc tuning results. in rockchip_mmc_set_internal_phase()
[all …]
/linux/drivers/media/dvb-core/
H A Ddvb_frontend.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * dvb_frontend.c: DVB frontend tuning interface/thread
5 * Copyright (C) 1999-2001 Ralph Metzler
10 * Copyright (C) 2004 Andrew de Quincey (tuning thread cleanup)
57 MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-fronten…
77 * FESTATE_IDLE. No tuning parameters have been supplied and the loop is idling.
79 * FESTATE_TUNING_FAST. Tuning parameters have been supplied and fast zigzag scan is in progress.
80 …* FESTATE_TUNING_SLOW. Tuning parameters have been supplied. Fast zigzag failed, so we're trying a…
83 …* FESTATE_ZIGZAG_SLOW. The lock has been lost. Fast zigzag has been failed, so we're trying again,…
85 * FESTATE_WAITFORLOCK. When we're waiting for a lock.
[all …]
/linux/Documentation/admin-guide/media/
H A Dbt8xx.rst1 .. SPDX-License-Identifier: GPL-2.0
16 -------------------
21 Please see Documentation/admin-guide/media/bttv-cardlist.rst for a complete
28 ./scripts/config -e PCI
29 ./scripts/config -e INPUT
30 ./scripts/config -m I2C
31 ./scripts/config -m MEDIA_SUPPORT
32 ./scripts/config -e MEDIA_PCI_SUPPORT
33 ./scripts/config -e MEDIA_ANALOG_TV_SUPPORT
34 ./scripts/config -e MEDIA_DIGITAL_TV_SUPPORT
[all …]
H A Dfaq.rst1 .. SPDX-License-Identifier: GPL-2.0
11 avoid confusion, we're calling *transponders* as the physical
23 1. The signal seems to die a few seconds after tuning.
28 is closed). The ``dvb-core`` module parameter ``dvb_shutdown_timeout``
37 tools and are grouped together with the ``v4l-utils`` git repository:
39 https://git.linuxtv.org/v4l-utils.git/
48 for example the ``dvbv5-scan`` tool. You can find more information
51 https://www.linuxtv.org/wiki/index.php/Dvbv5-scan
70 https://git.linuxtv.org/dtv-scan-tables.git
88 list with a tool like ``dvbv5-scan``.
[all …]
/linux/Documentation/driver-api/media/
H A Ddtv-frontend.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------------
9 The Digital TV Frontend kABI defines a driver-internal interface for
10 registering low-level, hardware specific driver to a hardware independent
29 .name = "foo DVB-T/T2/C driver",
70 .name = "Bar DVB-S/S2 demodulator",
91 /* Satellite-specific */
100 #) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
102 standards, they're specified in Hz. Due to that, if the same frontend
124 responsible for tuning the device. It supports multiple algorithms to
[all …]
H A Ddtv-demux.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ---------------------
9 The Kernel Digital TV Demux kABI defines a driver-internal interface for
10 registering low-level, hardware specific driver to a hardware independent
20 Each demux receives its TS input from a DVB front-end or from memory, as
21 set via this demux kABI. In a system with more than one front-end, the kABI
22 can be used to select one of the DVB front-ends as a TS source for a demux,
25 The demux kABI only controls front-ends regarding to their connections with
26 demuxes; the kABI used to set the other front-end parameters, such as
27 tuning, are defined via the Digital TV Frontend kABI.
[all …]
/linux/drivers/clk/rockchip/
H A Dclk-mmc-phase.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/clk-provider.h>
40 * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
57 raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift); in rockchip_mmc_get_phase()
93 * for people to debug unstable mmc tuning results. in rockchip_mmc_set_phase()
97 return -EINVAL; in rockchip_mmc_set_phase()
105 * actually go non-monotonic. We don't go _too_ monotonic in rockchip_mmc_set_phase()
118 * degrees off from what we think we're making. That's OK in rockchip_mmc_set_phase()
124 * don't overflow 32-bit / 64-bit numbers. in rockchip_mmc_set_phase()
137 writel(HIWORD_UPDATE(raw_value, 0x07ff, mmc_clock->shift), in rockchip_mmc_set_phase()
[all …]
/linux/include/media/
H A Dtuner-types.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 * enum param_type - type of the tuner pameters
27 * struct tuner_range - define the frequencies supported by the tuner
36 * those ranges, as they're defined inside the driver. This is used by
54 * struct tuner_params - Parameters to be used to setup the tuner. Those
55 * are used by drivers/media/tuners/tuner-types.c in
57 * the parameters are for tuners based on tda9887 IF-PLL
58 * multi-standard analog TV/Radio demodulator, with is
65 * @cb_first_if_lower_freq: Many Philips-based tuners have a comment in
68 * switching, and to ensure smooth tuning to the
[all …]
/linux/drivers/phy/rockchip/
H A Dphy-rockchip-emmc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2016 Shawn Lin <shawn.lin@rock-chips.com>
20 * The higher 16-bit of this register is used for write protection
106 regmap_write(rk_phy->reg_base, in rockchip_emmc_phy_power()
107 rk_phy->reg_offset + GRF_EMMCPHY_CON6, in rockchip_emmc_phy_power()
111 regmap_write(rk_phy->reg_base, in rockchip_emmc_phy_power()
112 rk_phy->reg_offset + GRF_EMMCPHY_CON6, in rockchip_emmc_phy_power()
121 rate = clk_get_rate(rk_phy->emmcclk); in rockchip_emmc_phy_power()
146 rate - ideal_rate : ideal_rate - rate; in rockchip_emmc_phy_power()
149 * In order for tuning delays to be accurate we need to be in rockchip_emmc_phy_power()
[all …]
/linux/tools/sched_ext/
H A DREADME.md11 Some of the examples are performant, production-ready schedulers. That is, for
12 the correct workload and with the correct tuning, they may be deployed in a
18 types of workloads or scenarios they're designed to accommodate, and whether or
19 not they're production ready. For more details on any of these schedulers,
47 non-trivial ones.
79 This is a large, auto-generated header file that contains all of the types
81 [BTF](https://docs.kernel.org/bpf/btf.html) (i.e. with the BTF-related Kconfig
108 bpf_printk("Task %s enabled in example scheduler", p->comm);
126 3. At `../../vmlinux` (i.e. at the root of the kernel tree where you're
129 4. `/boot/vmlinux-$(uname -r)`
[all …]
/linux/Documentation/admin-guide/blockdev/
H A Dfloppy.rst19 Example: If your kernel is called linux-2.6.9, type the following line
22 linux-2.6.9 floppy=thinkpad
25 of linux-2.6.9::
31 linux-2.6.9 floppy=daring floppy=two_fdc
96 and is thus harder to find, whereas non-dma buffers may be
104 If you have a FIFO-able FDC, the floppy driver automatically
105 falls back on non DMA mode if no DMA-able memory can be found.
130 using 'floppycontrol --messages'. Then access a floppy
131 disk. If you get a huge amount of "Over/Underrun - retrying"
135 when doing this tuning. Indeed, it allows to try different
[all …]
/linux/drivers/gpu/drm/i915/gt/
H A Dintel_workarounds.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2014-2018 Intel Corporation
30 * - Context workarounds: workarounds that touch registers that are
40 * - Engine workarounds: the list of these WAs is applied whenever the specific
60 * - GT workarounds: the list of these WAs is applied whenever these registers
66 * - Register whitelist: some workarounds need to be implemented in userspace,
70 * these to/be-whitelisted registers to some special HW registers).
75 * - Workaround batchbuffers: buffers that get executed automatically by the
91 * - Other: There are WAs that, due to their nature, cannot be applied from a
103 wal->gt = gt; in wa_init_start()
[all …]
/linux/drivers/memory/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 vary from memory tuning and frequency scaling to enabling
42 Used to configure the EBI (external bus interface) when the device-
68 bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
72 Baikal-T1 CPU is based on the MIPS P5600 Warrior IP-core. The CPU
73 resides Coherency Manager v2 with embedded 1MB L2-cache. It's
75 tags and way-select latencies of RAM access. This driver provides a
76 dt properties-based and sysfs interface for it.
85 is intended to provide a glue-less interface to a variety of
99 functions of the driver includes re-configuring AC timing
[all …]
/linux/Documentation/driver-api/
H A Dlibata.rst12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
16 internals, and a couple sample ATA low-level drivers.
22 is defined for every low-level libata
23 hardware driver, and it controls how the low-level driver interfaces
26 FIS-based drivers will hook into the system with ``->qc_prep()`` and
27 ``->qc_issue()`` high-level hooks. Hardware which behaves in a manner
33 ----------------------------------------------------------
35 Post-IDENTIFY device configuration
44 Typically used to apply device-specific fixups prior to issue of SET
45 FEATURES - XFER MODE, and prior to operation.
[all …]
/linux/drivers/media/dvb-frontends/
H A Dcx24116.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
5 Copyright (C) 2006-2008 Steven Toth <stoth@hauppauge.com>
6 Copyright (C) 2006-2007 Georg Acher
7 Copyright (C) 2007-2008 Darron Broad
45 #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
74 /* Select DVB-S demodulator, else DVB-S2 */
78 /* Pilot mode requested when tuning else always reset when tuned */
128 MODULE_PARM_DESC(esno_snr, "SNR return units, 0=PERCENTAGE 0-100, "\
190 struct i2c_msg msg = { .addr = state->config->demod_address, in cx24116_writereg()
[all …]
/linux/drivers/mmc/core/
H A Dmmc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2003-2004 Russell King, All Rights Reserved.
6 * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
59 u32 *resp = card->raw_cid; in mmc_decode_cid()
65 add_device_randomness(&card->raw_cid, sizeof(card->raw_cid)); in mmc_decode_cid()
71 switch (card->csd.mmca_vsn) { in mmc_decode_cid()
72 case 0: /* MMC v1.0 - v1.2 */ in mmc_decode_cid()
74 card->cid.manfid = unstuff_bits(resp, 104, 24); in mmc_decode_cid()
75 card->cid.prod_name[0] = unstuff_bits(resp, 96, 8); in mmc_decode_cid()
76 card->cid.prod_name[1] = unstuff_bits(resp, 88, 8); in mmc_decode_cid()
[all …]
/linux/drivers/ata/
H A Data_generic.c2 * ata_generic.c - Generic PATA/SATA controller driver.
6 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
13 * tuning for us. By default we do not grab all IDE class devices as they
41 * generic_set_mode - mode setting
53 struct ata_port *ap = link->ap; in generic_set_mode()
54 const struct pci_device_id *id = ap->host->private_data; in generic_set_mode()
58 if (id->driver_data & ATA_GEN_FORCE_DMA) { in generic_set_mode()
60 } else if (ap->ioaddr.bmdma_addr) { in generic_set_mode()
62 dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); in generic_set_mode()
67 dev->pio_mode = XFER_PIO_0; in generic_set_mode()
[all …]

12345