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12

/openbmc/linux/Documentation/input/devices/
H A Datarikbd.rst12 provides a convenient connection point for a mouse and switch-type joysticks.
13 The ikbd processor also maintains a time-of-day clock with one second
18 The ikbd communicates with the main processor over a high speed bi-directional
41 0xF8-0xFB relative mouse position records (lsbs determined by
43 0xFC time-of-day
67 ---------------------------
72 settable threshold of motion. Regardless of the threshold, all bits of
75 significantly more than the threshold delta x or y. This may happen since no
84 ; where y is the right button state
86 X ; delta x as twos complement integer
[all …]
/openbmc/linux/Documentation/devicetree/bindings/input/
H A Dsyna,rmi4.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jason A. Donenfeld <Jason@zx2c4.com>
11 - Matthias Schiffer <matthias.schiffer@ew.tq-group.com
12 - Vincent Huang <vincent.huang@tw.synaptics.com>
22 - syna,rmi4-i2c
23 - syna,rmi4-spi
28 '#address-cells':
31 '#size-cells':
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/openbmc/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mq-zii-ultra-rmb3.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
8 #include "imx8mq-zii-ultra.dtsi"
12 compatible = "zii,imx8mq-ultra-rmb3", "zii,imx8mq-ultra", "fsl,imx8mq";
15 compatible = "simple-audio-card";
16 simple-audio-card,name = "front";
17 simple-audio-card,format = "i2s";
18 simple-audio-card,bitclock-master = <&sound1_codec>;
19 simple-audio-card,frame-master = <&sound1_codec>;
20 simple-audio-card,widgets =
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/openbmc/linux/drivers/input/rmi4/
H A Drmi_2d_sensor.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2011-2016 Synaptics Incorporated
16 #define RMI_2D_REL_POS_MIN -128
26 struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align; in rmi_2d_sensor_abs_process()
29 if (obj->type == RMI_2D_OBJECT_NONE) in rmi_2d_sensor_abs_process()
32 if (axis_align->flip_x) in rmi_2d_sensor_abs_process()
33 obj->x = sensor->max_x - obj->x; in rmi_2d_sensor_abs_process()
35 if (axis_align->flip_y) in rmi_2d_sensor_abs_process()
36 obj->y = sensor->max_y - obj->y; in rmi_2d_sensor_abs_process()
38 if (axis_align->swap_axes) in rmi_2d_sensor_abs_process()
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/openbmc/linux/drivers/staging/media/ipu3/include/uapi/
H A Dintel-ipu3.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* Copyright (C) 2017 - 2018 Intel Corporation */
11 /* Vendor specific - used for IPU3 camera sub-system */
17 /* from include/uapi/linux/v4l2-controls.h */
26 #define IPU3_UAPI_GRID_START_MASK ((1 << 12) - 1)
34 * struct ipu3_uapi_grid_config - Grid plane config
51 * @y_start: Y value of top left corner of ROI
53 * @y_end: Y value of bottom right corner of ROI
56 * create a grid-based output, and the data is then divided into "slices".
71 * struct ipu3_uapi_awb_set_item - Memory layout for each cell in AWB
[all …]
/openbmc/linux/drivers/iio/adc/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 bool "ST-Ericsson AB8500 GPADC driver"
12 default y
33 Say yes here to build support for Analog Devices AD4130-8 SPI analog
44 Say yes here to build support for Analog Devices AD7091R-5 ADC.
47 tristate "Analog Devices AD7124 and similar sigma-delta ADCs driver"
51 Say yes here to build support for Analog Devices AD7124-4 and AD7124-8
64 If unsure, say N (but it's safe to say "Y").
126 tristate "Analog Devices AD7476 1-channel ADCs driver and other similar devices from AD and TI"
152 ad7605-4, ad7606, ad7606-6, ad7606-4 analog to digital converters (ADC).
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/openbmc/linux/drivers/gpu/drm/amd/display/modules/color/
H A Dcolor_gamma.c48 * X[i] = 2 * X[i-NUM_PTS_IN_REGION] for i>=16
66 /* one-time setup of X points */
78 for (segment = 6; segment > (6 - NUM_REGIONS); segment--) { in setup_x_points_distribution()
82 seg_offset = (segment + (NUM_REGIONS - 7)) * NUM_PTS_IN_REGION; in setup_x_points_distribution()
89 (coordinates_x[index-1].x, increment); in setup_x_points_distribution()
174 /* de gamma, non-linear to linear */
182 struct fixed31_32 threshold; in compute_hlg_eotf() local
190 threshold = dc_fixpt_from_fraction(1, 2); in compute_hlg_eotf()
192 if (dc_fixpt_lt(in_x, threshold)) { in compute_hlg_eotf()
206 /* re gamma, linear to non-linear */
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/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-zii-rdu2.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 * Copyright (C) 2016-2017 Zodiac Inflight Innovations
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/sound/fsl-imx-audmux.h>
11 stdout-path = &uart1;
15 mdio-gpio0 = &mdio1;
20 compatible = "virtual,mdio-gpio";
21 #address-cells = <1>;
22 #size-cells = <0>;
23 pinctrl-names = "default";
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/openbmc/linux/drivers/net/wireless/ath/ath5k/
H A Dphy.c2 * Copyright (c) 2004-2007 Reyk Floeter <reyk@openbsd.org>
3 * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
5 * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
42 * Here we handle the low-level functions related to baseband
48 * - Channel setting/switching
50 * - Automatic Gain Control (AGC) calibration
52 * - Noise Floor calibration
54 * - I/Q imbalance calibration (QAM correction)
56 * - Calibration due to thermal changes (gain_F)
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/openbmc/linux/kernel/sched/
H A Dfair.c1 // SPDX-License-Identifier: GPL-2.0
43 #include <linux/memory-tiers.h>
61 * The initial- and re-scaling of tunables is configurable
65 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
66 * SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
67 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
74 * Minimal preemption granularity for CPU-boun
311 calc_delta_fair(u64 delta,struct sched_entity * se) calc_delta_fair() argument
550 s64 delta = (s64)(vruntime - max_vruntime); max_vruntime() local
559 s64 delta = (s64)(vruntime - min_vruntime); min_vruntime() local
659 avg_vruntime_update(struct cfs_rq * cfs_rq,s64 delta) avg_vruntime_update() argument
766 s64 delta = (s64)(vruntime - min_vruntime); __update_min_vruntime() local
2727 u64 runtime, delta, now; numa_get_avg_runtime() local
4165 long delta = cfs_rq->avg.load_avg - cfs_rq->tg_load_avg_contrib; update_tg_load_avg() local
5731 u64 delta = rq_clock(rq) - cfs_rq->throttled_clock_self; tg_unthrottle_up() local
6637 s64 delta = slice - ran; hrtick_start_fair() local
8816 s64 delta; task_hot() local
10506 u64 x, y, tmp; update_idle_cpu_scan() local
12552 s64 delta; cfs_prio_less() local
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/openbmc/openbmc-tools/dbus-vis/
H A Dtimeline_view.js27 const x = 0, y = 0, w = HISTOGRAM_W, h = HISTOGRAM_H;
41 ctx.fillRect(x, y, w, h);
46 ctx.strokeRect(x + PAD, y + PAD, w - 2 * PAD, h - 2 * PAD);
50 let dx0 = x + PAD2 + (w - 2 * PAD2) * 1.0 * i / buckets.length,
51 dx1 = x + PAD2 + (w - 2 * PAD2) * 1.0 * (i + 1) / buckets.length,
52 dy0 = y + h - h * 1.0 * buckets[i] / maxCount, dy1 = y + h;
61 threshEntry[0][1] = hist[0] + (hist[1] - hist[0]) / bucketsLen * i;
63 if (cumDensity0 < 1 - HISTOGRAM_RIGHT_TAIL_WIDTH &&
64 cumDensity1 >= 1 - HISTOGRAM_RIGHT_TAIL_WIDTH) {
65 threshEntry[1][0] = (i - 1) / buckets.length;
[all …]
/openbmc/linux/drivers/net/ethernet/mediatek/
H A Dmtk_eth_soc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
5 * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
6 * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
12 #include <linux/dma-mapping.h>
55 #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) argument
60 #define MTK_PP_MAX_BUF_SIZE (PAGE_SIZE - MTK_PP_PAD)
134 /* Unicast Filter MAC Address Register - Low */
138 /* Unicast Filter MAC Address Register - High */
155 #define PSE_IQ_REV(x) (0x140 + (((x) - 1) << 2))
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/openbmc/linux/drivers/iio/accel/
H A Dkionix-kx022a.c1 // SPDX-License-Identifier: GPL-2.0-only
27 #include "kionix-kx022a.h"
87 * The HW does not set WHO_AM_I reg as read-only but we don't want to write it
88 * so we still include it in the read-only ranges.
192 return &data->orientation; in kx022a_get_mount_matrix()
235 KX022A_ACCEL_CHAN(Y, 1),
271 * range is typically +-2G/4G/8G/16G, distributed over the amount of bits.
274 * => KX022A uses 16 bit (HiRes mode - assume the low 8 bits are zeroed
275 * in low-power mode(?) )
276 * => +/-2G => 4 / 2^16 * 9,80665
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/openbmc/ipmitool/lib/
H A Dipmi_sel.c1 /* -*-mode: C; indent-tabs-mode: t; -*-
22 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
62 #define SEL_BYTE(n) (n-3) /* So we can refer to byte positions in log entries (byte 3 is at index 0…
72 * Returns -1 for XX, -2 for R, -3 for non-hex (string), or positive integer from a hex value.
78 return -1; in ipmi_sel_oem_readval()
81 return -2; in ipmi_sel_oem_readval()
84 return -3; in ipmi_sel_oem_readval()
97 if (evt[2] == rec->value[SEL_BYTE(3)] in ipmi_sel_oem_match()
98 && ((rec->value[SEL_BYTE(4)] < 0) in ipmi_sel_oem_match()
99 || (evt[3] == rec->value[SEL_BYTE(4)])) in ipmi_sel_oem_match()
[all …]
/openbmc/linux/drivers/media/usb/uvc/
H A Duvc_video.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * uvc_video.c -- USB Video Class driver - Video handling
5 * Copyright (C) 2005-2010
9 #include <linux/dma-mapping.h>
24 #include <media/v4l2-common.h>
28 /* ------------------------------------------------------------------------
39 pipe = (query & 0x80) ? usb_rcvctrlpipe(dev->udev, 0) in __uvc_query_ctrl()
40 : usb_sndctrlpipe(dev->udev, 0); in __uvc_query_ctrl()
43 return usb_control_msg(dev->udev, pipe, query, type, cs << 8, in __uvc_query_ctrl()
89 * Most controls are little-endian integers, in which case the missing in uvc_query_ctrl()
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/openbmc/linux/mm/
H A Dvmscan.c1 // SPDX-License-Identifier: GPL-2.0
31 #include <linux/backing-dev.h>
46 #include <linux/memory-tiers.h>
175 if ((_folio)->lru.prev != _base) { \
178 prev = lru_to_folio(&(_folio->lru)); \
179 prefetchw(&prev->_field); \
211 return rcu_dereference_protected(memcg->nodeinfo[nid]->shrinker_info, in shrinker_info_protected()
226 pn = memcg->nodeinfo[nid]; in expand_one_shrinker_info()
233 if (new_nr_max <= old->map_nr_max) in expand_one_shrinker_info()
238 return -ENOMEM; in expand_one_shrinker_info()
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H A Dpercpu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mm/percpu.c - percpu memory allocator
13 * a 1-to-1 mapping for units to possible cpus. These units are grouped
17 * ------------------- ------------------- ------------
19 * ------------------- ...... ------------------- .... ------------
23 * c1:u1, c1:u2, etc. On NUMA machines, the mapping may be non-linear
35 * linker. The reserved section, if non-zero, primarily manages static
40 * memcg-awareness. To make a percpu allocation memcg-aware the __GFP_ACCOUNT
41 * flag should be passed. All memcg-aware allocations are sharing one set
61 * - define __addr_to_pcpu_ptr() and __pcpu_ptr_to_addr() to translate
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/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dext-ctrls-codec.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _codec-controls:
24 .. _mpeg-control-id:
27 -----------------
35 .. _v4l2-mpeg-stream-type:
40 enum v4l2_mpeg_stream_type -
41 The MPEG-1, -2 or -4 output stream type. One cannot assume anything
48 .. flat-table::
49 :header-rows: 0
50 :stub-columns: 0
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/openbmc/linux/drivers/atm/
H A Dhe.c6 Copyright (C) 1999-2001 Naval Research Laboratory
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 Copyright (C) 1999-2001 Naval Research Laboratory
42 ForeRunnerHE(tm)", MANU0361-01 - Rev. A, 08/21/98.
69 #include <linux/dma-mapping.h>
88 #define hprintk(fmt,args...) printk(KERN_ERR DEV_LABEL "%d: " fmt, he_dev->number , ##args)
91 #define HPRINTK(fmt,args...) printk(KERN_DEBUG DEV_LABEL "%d: " fmt, he_dev->number , ##args)
116 static short nvpibits = -1;
117 static short nvcibits = -1;
176 #define he_writel(dev, val, reg) do { writel(val, (dev)->membase + (reg)); wmb(); } while (0)
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/openbmc/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt5 force -- enable ACPI if default was off
6 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
7 off -- disable ACPI if default was on
8 noirq -- do not use ACPI for IRQ routing
9 strict -- Be less tolerant of platforms that are not
11 rsdt -- prefer RSDT over (default) XSDT
12 copy_dsdt -- copy DSDT to memory
26 If set to vendor, prefer vendor-specific driver
58 Documentation/firmware-guide/acpi/debug.rst for more information about
116 Format: <byte> or <bitmap-list>
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/openbmc/linux/kernel/bpf/
H A Dverifier.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
7 #include <linux/bpf-cgroup.h>
23 #include <linux/error-injection.h>
48 * The first pass is depth-first-search to check that the program is a DAG.
50 * - larger than BPF_MAXINSNS insns
51 * - if loop is present (detected via back-edge)
52 * - unreachable insns exist (shouldn't be a forest. program = one function)
53 * - out of bounds or malformed jumps
65 * All registers are 64-bit.
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/openbmc/linux/include/uapi/linux/
H A Dbpf.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
21 #define BPF_DW 0x18 /* double word (64-bit) */
23 #define BPF_ATOMIC 0xc0 /* atomic memory ops - op type in immediate */
24 #define BPF_XADD 0xc0 /* exclusive add - legacy name */
32 #define BPF_TO_LE 0x00 /* convert to little-endian */
33 #define BPF_TO_BE 0x08 /* convert to big-endian */
51 #define BPF_CMPXCHG (0xf0 | BPF_FETCH) /* atomic compare-and-write */
69 /* BPF has 10 general purpose 64-bit registers and stack frame. */
111 BPF_CGROUP_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
[all …]
/openbmc/linux/tools/include/uapi/linux/
H A Dbpf.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
21 #define BPF_DW 0x18 /* double word (64-bit) */
23 #define BPF_ATOMIC 0xc0 /* atomic memory ops - op type in immediate */
24 #define BPF_XADD 0xc0 /* exclusive add - legacy name */
32 #define BPF_TO_LE 0x00 /* convert to little-endian */
33 #define BPF_TO_BE 0x08 /* convert to big-endian */
51 #define BPF_CMPXCHG (0xf0 | BPF_FETCH) /* atomic compare-and-write */
69 /* BPF has 10 general purpose 64-bit registers and stack frame. */
111 BPF_CGROUP_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
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/openbmc/linux/Documentation/filesystems/
H A Dxfs-delayed-logging-design.rst1 .. SPDX-License-Identifier: GPL-2.0
33 details logged are made up of the changes to in-core structures rather than
34 on-disk structures. Other objects - typically buffers - have their physical
64 place. This means that permanent transactions can be used for one-shot
65 modifications, but one-shot reservations cannot be used for permanent
68 In the code, a one-shot transaction pattern looks somewhat like this::
97 While this might look similar to a one-shot transaction, there is an important
123 the on-disk journal.
165 transaction, we have to reserve enough space to record a full leaf-to-root split
183 For one-shot transactions, a single unit space reservation is all that is
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/openbmc/linux/kernel/trace/
H A Dtrace.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2007-2012 Steven Rostedt <srostedt@redhat.com>
12 * Copyright (C) 2004-2006 Ingo Molnar
67 * A selftest will lurk into the ring-buffer to count the
69 * insertions into the ring-buffer such as trace_printk could occurred
75 * If boot-time tracing including tracers/events via kernel cmdline
127 * ftrace_dump_on_oops - variable to dump ftrace buffer on oops
238 int left = sizeof(boot_snapshot_info) - boot_snapshot_index; in boot_alloc_snapshot()
244 return -1; in boot_alloc_snapshot()
270 int left = sizeof(boot_instance_info) - boot_instance_index; in boot_instance()
[all …]

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