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/linux/drivers/media/rc/keymaps/
H A Drc-apac-viewcomp.c1 // SPDX-License-Identifier: GPL-2.0+
2 // apac-viewcomp.h - Keytable for apac_viewcomp Remote Controller
4 // keymap imported from ir-keymaps.c
8 #include <media/rc-map.h>
49 { 0x0c, KEY_KPPLUS }, /* fine tune >>>> */
50 { 0x18, KEY_KPMINUS }, /* fine tune <<<< */
77 MODULE_DESCRIPTION("apac-viewcomp remote controller keytable");
H A Drc-winfast.c1 // SPDX-License-Identifier: GPL-2.0+
2 // winfast.h - Keytable for winfast Remote Controller
4 // keymap imported from ir-keymaps.c
8 #include <media/rc-map.h>
11 /* Table for Leadtek Winfast Remote Controls - used by both bttv and cx88 */
44 { 0x18, KEY_KPPLUS }, /* fine tune + , not on Y040052 */
45 { 0x19, KEY_KPMINUS }, /* fine tune - , not on Y040052 */
70 { 0x3a, KEY_VOLUMEDOWN }, /* MCE -VOL, on Y04G0033 */
72 { 0x3f, KEY_CHANNELDOWN } /* MCE -CH, on Y04G0033 */
/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dnvidia,tegra20-mc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra20-mc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Osipenko <digetx@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Thierry Reding <thierry.reding@gmail.com>
18 has a configurable arbitration algorithm to allow the user to fine-tune
27 const: nvidia,tegra20-mc-gart
31 - description: controller registers
[all …]
/linux/arch/powerpc/platforms/ps3/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
26 defaults should be fine for most users, but these options may make
42 This option is only for experts who may have the desire to fine
43 tune the pagetable size on their system. The value here is
126 tristate "PS3 BD/DVD/CD-ROM Storage Driver"
132 This support is required to access the PS3 BD/DVD/CD-ROM drive.
/linux/drivers/base/firmware_loader/
H A Dsysfs.h1 /* SPDX-License-Identifier: GPL-2.0 */
16 * struct firmware_fallback_config - firmware fallback configuration settings
18 * Helps describe and fine tune the fallback mechanism.
89 struct fw_priv *fw_priv = fw_sysfs->fw_priv; in fw_load_abort()
/linux/Documentation/devicetree/bindings/clock/
H A Dti,cdce925.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Stein <alexander.stein@ew.tq-group.com>
15 - CDCE(L)913: 1-PLL, 3 Outputs https://www.ti.com/product/cdce913
16 - CDCE(L)925: 2-PLL, 5 Outputs https://www.ti.com/product/cdce925
17 - CDCE(L)937: 3-PLL, 7 Outputs https://www.ti.com/product/cdce937
18 - CDCE(L)949: 4-PLL, 9 Outputs https://www.ti.com/product/cdce949
23 - ti,cdce913
24 - ti,cdce925
[all …]
/linux/drivers/slimbus/
H A Dsched.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2011-2017, The Linux Foundation
10 * slim_ctrl_clk_pause() - Called by slimbus controller to enter/exit
17 * Slimbus specification needs this sequence to turn-off clocks for the bus.
20 * To exit clock-pause, controller typically wakes up active framer device.
23 * For entering clock-pause, -EBUSY is returned if a message txn in pending.
29 struct slim_sched *sched = &ctrl->sched; in slim_ctrl_clk_pause()
36 return -EINVAL; in slim_ctrl_clk_pause()
38 mutex_lock(&sched->m_reconf); in slim_ctrl_clk_pause()
40 if (sched->clk_state == SLIM_CLK_ACTIVE) { in slim_ctrl_clk_pause()
[all …]
/linux/Documentation/devicetree/bindings/phy/
H A Dapm,xgene-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/apm,xgene-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: APM X-Gene 15Gbps Multi-purpose PHY
10 - Khuong Dinh <khuong@os.amperecomputing.com>
13 PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
19 - const: apm,xgene-phy
24 '#phy-cells':
32 apm,tx-eye-tuning:
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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dst,stm32-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 STM32 ADC is a successive approximation analog-to-digital converter.
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
27 - st,stm32f4-adc-core
28 - st,stm32h7-adc-core
[all …]
/linux/drivers/phy/starfive/
H A Dphy-jh7110-pcie.c1 // SPDX-License-Identifier: GPL-2.0+
49 if (!data->stg_syscon || !data->sys_syscon) { in phy_usb3_mode_set()
50 dev_err(&data->phy->dev, "doesn't support usb3 mode\n"); in phy_usb3_mode_set()
51 return -EINVAL; in phy_usb3_mode_set()
54 regmap_update_bits(data->stg_syscon, data->stg_pcie_mode, in phy_usb3_mode_set()
56 regmap_update_bits(data->stg_syscon, data->stg_pcie_usb, in phy_usb3_mode_set()
58 regmap_update_bits(data->stg_syscon, data->stg_pcie_usb, in phy_usb3_mode_set()
62 regmap_update_bits(data->sys_syscon, data->sys_phy_connect, in phy_usb3_mode_set()
65 /* Configuare spread-spectrum mode: down-spread-spectrum */ in phy_usb3_mode_set()
66 writel(PCIE_USB3_PHY_ENABLE, data->regs + PCIE_USB3_PHY_PLL_CTL_OFF); in phy_usb3_mode_set()
[all …]
/linux/include/drm/
H A Ddrm_mm.h3 * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
31 * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
60 * enum drm_mm_insert_mode - control search and allocation behaviour
118 * Only check the first hole for suitablity and report -ENOSPC
129 * insert the node at the top of the hole or report -ENOSPC if
140 * insert the node at the bottom of the hole or report -ENOSPC if
149 * struct drm_mm_node - allocated block in the DRM allocator
152 * pre-reserved nodes inserted using drm_mm_reserve_node() the structure is
158 /** @color: Opaque driver-private tag. */
[all …]
/linux/Documentation/kbuild/
H A Dgendwarfksyms.rst18 -----
23 Usage: gendwarfksyms [options] elf-object-file ... < symbol-list
26 -d, --debug Print debugging information
27 --dump-dies Dump DWARF DIE contents
28 --dump-die-map Print debugging information about die_map changes
29 --dump-types Dump type strings
30 --dump-versions Dump expanded type strings used for symbol versions
31 -s, --stable Support kABI stability features
32 -T, --symtypes file Write a symtypes file
33 -h, --help Print this message
[all …]
/linux/drivers/atm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
36 chipset such as the Speedstream 3010 and the ENI-25p. The
38 have the code to drive the on-board Alcatel DSL chipset (yet).
46 2MB on-board RAM (Efficient calls them "C" and "S", respectively),
48 The driver works with MMF (-MF or ...F) and UTP-5 (-U5 or ...D)
65 bool "Fine-tune burst settings"
69 multiple words of data per PCI bus access cycle. Such a multi-word
164 Support for the S-UNI and compatible PHYsical layer chips. These are
169 need that capability don't include S-UNI support (it's not needed to
223 control memory (128K-1KVC, 512K-4KVC), the size of the packet
[all …]
/linux/drivers/media/dvb-core/
H A Ddvb_frontend.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 1999-2001 Ralph Metzler
53 …e_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
57 MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-fronten…
78 * FESTATE_RETUNE. Parameters have been supplied, but we have not yet performed the first tune.
136 struct dvb_frontend_private *fepriv = fe->frontend_priv; in __dvb_frontend_free()
139 dvb_device_put(fepriv->dvbdev); in __dvb_frontend_free()
141 dvb_frontend_invoke_release(fe, fe->ops.release); in __dvb_frontend_free()
157 if (fe->ops.detach) in dvb_frontend_put()
158 fe->ops.detach(fe); in dvb_frontend_put()
[all …]
/linux/include/linux/sched/
H A Dmm.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * mmgrab() - Pin a &struct mm_struct.
32 * See also <Documentation/mm/active_mm.rst> for an in-depth explanation
37 atomic_inc(&mm->mm_count); in mmgrab()
52 * user-space, after storing to rq->curr. in mmdrop()
54 if (unlikely(atomic_dec_and_test(&mm->mm_count))) in mmdrop()
77 if (atomic_dec_and_test(&mm->mm_count)) in mmdrop_sched()
78 call_rcu(&mm->delayed_drop, __mmdrop_delayed); in mmdrop_sched()
116 * mmget() - Pin the address space associated with a &struct mm_struct.
128 * See also <Documentation/mm/active_mm.rst> for an in-depth explanation
[all …]
/linux/Documentation/scsi/
H A DChangeLog.sym53c8xx1 Sat May 12 12:00 2001 Gerard Roudier (groudier@club-internet.fr)
2 * version sym53c8xx-1.7.3c
3 - Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM.
4 Fix sent by Stig Telfer <stig@api-networks.com>.
5 - Backport from SYM-2 the work-around that allows to support
7 - Check that we received at least 8 bytes of INQUIRY response
9 - Define scsi_set_pci_device() as nil for kernel < 2.4.4.
10 - + A couple of minor changes.
12 Sat Apr 7 19:30 2001 Gerard Roudier (groudier@club-internet.fr)
13 * version sym53c8xx-1.7.3b
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/linux/drivers/net/wireless/broadcom/b43/
H A Dphy_lp.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 /* Definitions for the LP-PHY */
214 #define B43_LPPHY_MAX_SMPL_COARSE_FINE_ADDR B43_PHY_OFDM(0x7F) /* Max Sample Coarse/Fine Address */
330 #define B2062_N_LGENA_TUNE0 B43_LP_NORTH(0x01E) /* LGENA Tune 0 (north) */
331 #define B2062_N_LGENA_TUNE1 B43_LP_NORTH(0x01F) /* LGENA Tune 1 (north) */
332 #define B2062_N_LGENA_TUNE2 B43_LP_NORTH(0x020) /* LGENA Tune 2 (north) */
333 #define B2062_N_LGENA_TUNE3 B43_LP_NORTH(0x021) /* LGENA Tune 3 (north) */
382 #define B2062_N_TX_TUNE B43_LP_NORTH(0x052) /* TX Tune (north) */
/linux/sound/soc/codecs/
H A Drt722-sdca.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt722-sdca.c -- rt722 SDCA ALSA SoC audio driver
23 #include <sound/soc-dapm.h>
26 #include "rt722-sdca.h"
33 struct regmap *regmap = rt722->regmap; in rt722_sdca_index_write()
39 dev_err(&rt722->slave->dev, in rt722_sdca_index_write()
50 struct regmap *regmap = rt722->regmap; in rt722_sdca_index_read()
55 dev_err(&rt722->slave->dev, in rt722_sdca_index_read()
101 ret = regmap_read(rt722->regmap, in rt722_sdca_button_detect()
112 ret = regmap_read(rt722->regmap, in rt722_sdca_button_detect()
[all …]
/linux/drivers/hwmon/
H A Dmax6650.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max6650.c - Part of lm_sensors, Linux kernel modules for hardware
18 * http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
27 #include <linux/hwmon-sysfs.h>
91 /* Minimum and maximum values of the FAN-RPM */
143 * Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans. in dac_to_pwm()
146 return clamp_val(255 - (255 * dac) / DAC_LIMIT(v12), 0, 255); in dac_to_pwm()
153 return limit - (limit * pwm) / 255; in pwm_to_dac()
159 struct i2c_client *client = data->client; in max6650_update_device()
163 mutex_lock(&data->update_lock); in max6650_update_device()
[all …]
/linux/Documentation/admin-guide/pm/
H A Dcpufreq.rst1 .. SPDX-License-Identifier: GPL-2.0
20 Operating Performance Points or P-states (in ACPI terminology). As a rule,
24 time (or the more power is drawn) by the CPU in the given P-state. Therefore
29 as possible and then there is no reason to use any P-states different from the
30 highest one (i.e. the highest-performance frequency/voltage configuration
38 put into different P-states.
41 capacity, so as to decide which P-states to put the CPUs into. Of course, since
64 information on the available P-states (or P-state ranges in some cases) and
65 access platform-specific hardware interfaces to change CPU P-states as requested
70 performance scaling algorithms for P-state selection can be represented in a
[all …]
H A Damd-pstate.rst1 .. SPDX-License-Identifier: GPL-2.0
5 ``amd-pstate`` CPU Performance Scaling Driver
16 ``amd-pstate`` is the AMD CPU performance scaling driver that introduces a
20 than legacy ACPI hardware P-States. Current AMD CPU/APU platforms are using
21 the ACPI P-states driver to manage CPU frequency and clocks with switching
22 only in 3 P-states. CPPC replaces the ACPI P-states controls and allows a
23 flexible, low-latency interface for the Linux kernel to directly
26 ``amd-pstate`` leverages the Linux kernel governors such as ``schedutil``,
30 Volume 2: System Programming [1]_). Currently, ``amd-pstate`` supports basic
40 continuous, abstract, and unit-less performance value in a scale that is
[all …]
/linux/Documentation/process/
H A Dhowto.rst6 This is the be-all, end-all document on this topic. It contains
18 ------------
27 The kernel is written mostly in C, with some architecture-dependent
30 you plan to do low-level development for that architecture. Though they
34 - "The C Programming Language" by Kernighan and Ritchie [Prentice Hall]
35 - "Practical C Programming" by Steve Oualline [O'Reilly]
36 - "C: A Reference Manual" by Harbison and Steele [Prentice Hall]
60 ------------
65 described in :ref:`Documentation/process/license-rules.rst <kernel_licensing>`.
72 https://www.gnu.org/licenses/gpl-faq.html
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/linux/drivers/media/tuners/
H A Dxc2028.c1 // SPDX-License-Identifier: GPL-2.0
4 // Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
7 // - frontend interface
18 #include "tuner-i2c.h"
20 #include "xc2028-types.h"
28 /* Registers (Write-only) */
33 /* Registers (Read-only) */
125 _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
129 if (priv->ctrl.msleep) \
130 msleep(priv->ctrl.msleep); \
[all …]
/linux/drivers/media/dvb-frontends/
H A Ddib7000m.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Linux-DVB Driver for DiBcom's DiB7000M and
4 * first generation DiB7000P-demodulator-family.
6 * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
80 if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { in dib7000m_read_word()
85 state->i2c_write_buffer[0] = (reg >> 8) | 0x80; in dib7000m_read_word()
86 state->i2c_write_buffer[1] = reg & 0xff; in dib7000m_read_word()
88 memset(state->msg, 0, 2 * sizeof(struct i2c_msg)); in dib7000m_read_word()
89 state->msg[0].addr = state->i2c_addr >> 1; in dib7000m_read_word()
90 state->msg[0].flags = 0; in dib7000m_read_word()
[all …]
/linux/arch/powerpc/platforms/cell/spufs/
H A Dsched.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* sched.c - SPU scheduler.
7 * 2006-03-31 NUMA domains added.
55 * Priority of a normal, non-rt, non-niced'd process (aka nice level 0).
75 max(x * (MAX_PRIO - prio) / (NICE_WIDTH / 2), MIN_SPU_TIMESLICE)
78 * scale user-nice values [ -20 ... 0 ... 19 ] to time slice values:
87 if (ctx->prio < NORMAL_PRIO) in spu_set_timeslice()
88 ctx->time_slice = SCALE_PRIO(DEF_SPU_TIMESLICE * 4, ctx->prio); in spu_set_timeslice()
90 ctx->time_slice = SCALE_PRIO(DEF_SPU_TIMESLICE, ctx->prio); in spu_set_timeslice()
102 BUG_ON(!list_empty(&ctx->rq)); in __spu_update_sched_info()
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