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/linux/Documentation/devicetree/bindings/input/
H A Dti,drv260x.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments - drv260x Haptics driver family
10 - Andrew Davis <afd@ti.com>
15 - ti,drv2604
16 - ti,drv2605
17 - ti,drv2605l
22 vbat-supply:
30 (defined in include/dt-bindings/input/ti-drv260x.h)
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/linux/drivers/media/pci/intel/ipu6/
H A Dipu6.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (C) 2013 - 2024 Intel Corporation */
11 #include "ipu6-buttress.h"
17 #define IPU6_NAME "intel-ipu6"
35 * IPU6 - TGL
36 * IPU6SE - JSL
37 * IPU6EP - ADL/RPL
38 * IPU6EP_MTL - MTL
96 /* The firmware is accessible within the first 2 GiB only in non-secure mode. */
116 * Threshold values are pre-defined and are arrived at after performance
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/linux/tools/testing/selftests/tc-testing/
H A DREADME1 tdc - Linux Traffic Control (tc) unit testing suite
3 Author: Lucas Bates - lucasb@mojatatu.com
10 ------------
23 * All tc-related features being tested must be built in or available as
25 ./tdc.py -c
29 teardown commands - which includes not being able to run a test simply
31 handled in a future version - the current workaround is to run the tests
36 --------------
38 The path to the tc executable that will be most commonly tested can be defined
43 using the -p option when running tdc:
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/linux/Documentation/userspace-api/media/v4l/
H A Dext-ctrls-fm-tx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _fm-tx-controls:
16 .. _fm-tx-control-id:
28 step are driver-specific.
35 to 31 pre-defined programme types.
53 programme-related information or any other text. In these cases,
98 up to 25 frequencies to be defined. Drivers may support fewer
104 receiver-generated distortion and prevent overmodulation.
108 microseconds. Step and range are driver-specific.
112 are driver-specific.
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/linux/drivers/platform/raspberrypi/vchiq-mmal/
H A Dmmal-encodings.h1 /* SPDX-License-Identifier: GPL-2.0 */
62 * This format is *not* opaque - if requested you will receive full frames
78 /** \name Pre-defined audio encodings */
87 /* Pre-defined H264 encoding variants */
89 /** ISO 14496-10 Annex B byte stream format */
91 /** ISO 14496-15 AVC stream format */
96 /** \defgroup MmalColorSpace List of pre-defined video color spaces
106 /** ITU-R BT.601-5 [SDTV] */
108 /** ITU-R BT.709-3 [HDTV] */
116 /** ITU-R BT.470-2 System M */
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/linux/Documentation/ABI/testing/
H A Dsysfs-driver-ppi9 'find /sys/ -name 'pcrs''. For the detail information of PPI,
31 executed in the pre-OS environment. It is the only input from
32 the OS to the pre-OS environment. The request should be an
49 This attribute shows the platform-specific action that should
60 operation to be executed in the pre-OS environment by the BIOS
61 for the requests defined by TCG, i.e. requests from 1 to 22.
71 operation to be executed in the pre-OS environment by the BIOS
/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/sound/hda/common/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 bool "Build hwdep interface for HD-audio driver"
16 Say Y here to build a hwdep interface for HD-audio driver.
17 This interface can be used for out-of-band communication
23 Say Y here to enable the HD-audio codec re-configuration feature.
25 codec setup, add extra verbs, and re-configure the codec dynamically.
36 Say Y here to build a digital beep interface for HD-audio
45 Set 0 to disable the digital beep interface for HD-audio by default.
46 Set 1 to always enable the digital beep interface for HD-audio by
50 bool "Support initialization patch loading for HD-audio"
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/linux/arch/arm/include/asm/
H A Dswitch_to.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * For v7 SMP cores running a preemptible kernel we may be pre-empted
10 * during a TLB maintenance operation, so execute an inner-shareable dsb
14 #if defined(CONFIG_PREEMPTION) && defined(CONFIG_SMP) && defined(CONFIG_CPU_V7)
/linux/drivers/clk/bcm/
H A Dclk-kona-setup.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include "clk-kona.h"
13 #define selector_clear_exists(sel) ((sel)->width = 0)
20 struct ccu_policy *ccu_policy = &ccu->policy; in ccu_data_offsets_valid()
23 limit = ccu->range - sizeof(u32); in ccu_data_offsets_valid()
26 if (ccu_policy->enable.offset > limit) { in ccu_data_offsets_valid()
29 ccu->name, ccu_policy->enable.offset, limit); in ccu_data_offsets_valid()
32 if (ccu_policy->control.offset > limit) { in ccu_data_offsets_valid()
35 ccu->name, ccu_policy->control.offset, limit); in ccu_data_offsets_valid()
45 struct peri_clk_data *peri = bcm_clk->u.peri; in clk_requires_trigger()
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H A Dclk-kona.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include "clk-kona.h"
12 #include <linux/clk-provider.h>
28 /* Produces a mask of set bits covering a range of a 32-bit value */
31 return ((1 << width) - 1) << shift; in bitfield_mask()
53 return (u64)reg_div + ((u64)1 << div->u.s.frac_width); in scaled_div_value()
61 return (u64)div->u.fixed; in scaled_div_min()
72 return (u64)div->u.fixed; in scaled_div_max()
74 reg_div = ((u32)1 << div->u.s.width) - 1; in scaled_div_max()
89 return (u32)(scaled_div - ((u64)1 << div->u.s.frac_width)); in divider()
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H A Dclk-kona.h1 /* SPDX-License-Identifier: GPL-2.0-only */
16 #include <linux/clk-provider.h>
24 #define BAD_CLK_NAME ((const char *)-1)
30 * should be defined such that 0 is the desired default value.
33 #define FLAG_SET(obj, type, flag) ((obj)->flags |= FLAG(type, flag))
34 #define FLAG_CLEAR(obj, type, flag) ((obj)->flags &= ~(FLAG(type, flag)))
35 #define FLAG_FLIP(obj, type, flag) ((obj)->flags ^= FLAG(type, flag))
36 #define FLAG_TEST(obj, type, flag) (!!((obj)->flags & FLAG(type, flag)))
40 #define ccu_policy_exists(ccu_policy) ((ccu_policy)->enable.offset != 0)
44 #define policy_exists(policy) ((policy)->offset != 0)
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/linux/tools/testing/selftests/tc-testing/creating-plugins/
H A DAddingPlugins.txt1 tdc - Adding plugins for tdc
3 Author: Brenda J. Butler - bjb@mojatatu.com
6 --------------
9 There are some examples in plugin-lib.
14 - adding commands to be run before and/or after the test suite
15 - adding commands to be run before and/or after the test cases
16 - adding commands to be run before and/or after the execute phase of the test cases
17 - ability to alter the command to be run in any phase:
18 pre (the pre-suite stage)
23 post (the post-suite stage)
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/linux/include/linux/
H A Dprefetch.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Generic cache management functions. Everything is arch-specific,
7 * 2000-11-13 Arjan van de Ven <arjan@fenrus.demon.nl>
20 prefetch(x) attempts to pre-emptively get the memory pointed to
25 prefetch() should be defined by the architecture, if not, the
26 #define below provides a no-op define.
30 prefetch(x) - prefetches the cacheline at "x" for read
31 prefetchw(x) - prefetches the cacheline at "x" for write
33 there is also PREFETCH_STRIDE which is the architecure-preferred
63 #if defined(WANT_PAGE_VIRTUAL) || defined(HASHED_PAGE_VIRTUAL) in prefetch_page_address()
/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/tools/power/pm-graph/config/
H A Dexample.cfg9 # sudo ./sleepgraph.py -config config/example.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}
49 # Enable/disable runtime suspend for all devices, restore all after test (default: no-action)
53 # Switch the display on/off for the test using xset (default: no-action)
57 # Print the status of the test run in the given file (default: no-action)
64 # ---- Advanced Options ----
89 # Pre Suspend Delay
103 callloop-maxgap: 0.0001
107 callloop-maxlen: 0.005
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/linux/kernel/
H A DKconfig.preempt1 # SPDX-License-Identifier: GPL-2.0-only
60 bool "Preemptible Kernel (Low-Latency Desktop)"
93 bool "Fully Preemptible Kernel (Real-Time)"
97 This option turns the kernel into a real-time kernel by replacing
99 preemptible priority-inheritance aware variants, enforcing
101 non-preemptible sections. This makes the kernel, except for very
107 require real-time guarantees.
114 the softirq is preemptible. This enforces the same per-CPU BLK
115 semantic non-PREEMPT_RT builds have. This should not be needed
116 because per-CPU locks were added to avoid the per-CPU BKL.
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/linux/tools/bootconfig/samples/
H A Dgood-override.bconf5 # No pre-defined key
/linux/tools/perf/Documentation/
H A Dperf-probe.txt1 perf-probe(1)
5 ----
6 perf-probe - Define new dynamic tracepoints
9 ---
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/linux/arch/riscv/kernel/
H A Dqos.c1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/percpu-defs.h>
9 #include <asm/cpufeature-macros.h>
17 * produce this sentinel. This covers early-boot context switches that
26 * Invalidate the per-CPU srmcfg cache. Used as both the cpuhp startup
31 * Ssqosid leaves the CSR implementation-defined across hart stop/start,
36 * The teardown callback is not relied on. Idle and per-CPU kthreads keep
48 * idle / suspend. Ssqosid leaves CSR_SRMCFG state across low-power
49 * transitions implementation-defined, and the boot CPU never goes
52 * outgoing task happens to share its srmcfg with the pre-suspend cache.
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/linux/drivers/virt/vboxguest/
H A Dvboxguest_core.h1 /* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */
2 /* Copyright (C) 2010-2016 Oracle Corporation */
20 * contained a bug where it defined VBGL_IOCTL_VMMDEV_REQUEST_BIG and
39 /** Pre-allocated vmmdev_memballoon_info req for query */
41 /** Pre-allocated vmmdev_memballoon_change req for inflate / deflate */
78 * Dummy page and vmap address for reserved kernel virtual-address
87 /** Wait-for-event list for threads waiting for multiple events. */
91 /** Wait-for-event list for threads waiting on HGCM async completion. */
93 /** Pre-allocated hgcm cancel2 req. for cancellation on timeout */
97 /** Pre-allocated mouse-status request for the input-device handling. */
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/linux/arch/powerpc/include/uapi/asm/
H A Dbootx.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
39 /* Bit in the architecture flag mask. More to be defined in
54 the map is optional and current BootX will only build it for pre-PCI
85 * On pre-PCI macintosh (BOOT_ARCH_PCI bit set to 0 in architecture), this
111 (non-PCI) only. On PCI, memory is contiguous and its size is in the
112 device-tree. */
/linux/drivers/hwmon/
H A Dmr75203.c1 // SPDX-License-Identifier: GPL-2.0
109 #define PVT_TEMP_MIN_mC -40000
115 #define PVT_SERIES5_J_CONST -100
131 * struct voltage_device - VM single input parameters.
134 * @pre_scaler: Pre scaler value (1 or 2) used to normalize the voltage output
137 * The structure provides mapping between channel-number (0..N-1) to VM-index
138 * (0..num_vm-1) and channel-index (0..ch_num-1) where N = num_vm * ch_num.
148 * struct voltage_channels - VM channel count.
186 struct pvt_device *pvt = file->private_data; in pvt_ts_coeff_j_read()
190 len = scnprintf(buf, sizeof(buf), "%d\n", pvt->ts_coeff.j); in pvt_ts_coeff_j_read()
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/linux/Documentation/driver-api/thermal/
H A Dexynos_thermal.rst15 ---------------------------
19 The chip only exposes the measured 8-bit temperature code value
27 Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1
31 Tc = T + TI1 - 25
47 when temperature exceeds pre-defined levels.
49 The threshold levels are defined as follows::
65 -----------------------
74 TMU configuration data -----> TMU Driver <----> Exynos Core thermal wrapper
/linux/tools/perf/pmu-events/arch/arm64/fujitsu/monaka/
H A Dspec_operation.json16 "BriefDescription": "This event counts every speculatively executed micro-operation."
20 … "BriefDescription": "This event counts architecturally executed load-exclusive instructions."
24 … "BriefDescription": "This event counts architecturally executed store-exclusive instructions."
28 …ription": "This event counts architecturally executed memory-reading instructions, as defined by t…
32 …ription": "This event counts architecturally executed memory-writing instructions, as defined by t…
36 …event counts architecturally executed memory-reading instructions and memory-writing instructions,…
40 …"BriefDescription": "This event counts architecturally executed integer data-processing instructio…
44 …"BriefDescription": "This event counts architecturally executed Advanced SIMD data-processing inst…
48 …"BriefDescription": "This event counts architecturally executed floating-point data-processing ins…
52 …"BriefDescription": "This event counts only software changes of the PC that defined by the instruc…
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