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/Linux-v6.1/Documentation/userspace-api/media/v4l/
Dext-ctrls-jpeg.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _jpeg-controls:
15 .. _jpeg-control-id:
27 input image is sampled, in respect to maximum sample rate in each
28 spatial dimension. See :ref:`itu-t81`, clause A.1.1. for more
35 .. flat-table::
36 :header-rows: 0
37 :stub-columns: 0
39 * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_444``
40 - No chroma subsampling, each pixel has Y, Cr and Cb values.
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/Linux-v6.1/Documentation/devicetree/bindings/media/i2c/
Dovti,ov2680.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rui Miguel Silva <rmfrfs@gmail.com>
12 description: |-
14 megapixel) CMOS image sensor that provides a single-chip UXGA (1600 x 1200)
15 camera. It provides full-frame, sub-sampled, or windowed 10-bit images in
30 clock-names:
33 reset-gpios:
40 dovdd-supply:
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Dov8856.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Dongchun Zhu <dongchun.zhu@mediatek.com>
13 description: |-
14 The Omnivision OV8856 is a high performance, 1/4-inch, 8 megapixel, CMOS
15 image sensor that delivers 3264x2448 at 30fps. It provides full-frame,
16 sub-sampled, and windowed 10-bit MIPI images in various formats via the
18 through I2C and two-wire SCCB. The sensor output is available via CSI-2
19 serial data output (up to 4-lane).
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Dovti,ov5693.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
14 The Omnivision OV5693 is a high performance, 1/4-inch, 5 megapixel, CMOS
15 image sensor that delivers 2592x1944 at 30fps. It provides full-frame,
16 sub-sampled, and windowed 10-bit MIPI images in various formats via the
19 OV5693 is controlled via I2C and two-wire Serial Camera Control Bus (SCCB).
20 The sensor output is available via CSI-2 serial data output (up to 2-lane).
23 - $ref: /schemas/media/video-interface-devices.yaml#
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/Linux-v6.1/drivers/gpu/drm/msm/disp/mdp5/
Dmdp5_smp.c1 // SPDX-License-Identifier: GPL-2.0-only
34 struct msm_drm_private *priv = smp->dev->dev_private; in get_kms()
36 return to_mdp5_kms(to_mdp_kms(priv->kms)); in get_kms()
48 * For ViG pipes, fetch Y/Cr/Cb-components clients are always in pipe2client()
52 * if mdp5_cfg->smp.clients[SSPP_VIG0] = N, in pipe2client()
58 return mdp5_cfg->smp.clients[pipe] + plane; in pipe2client()
66 void *cs = state->client_state[cid]; in smp_request_block()
67 int i, avail, cnt = smp->blk_cnt; in smp_request_block()
70 /* we shouldn't be requesting blocks for an in-use client: */ in smp_request_block()
73 reserved = smp->reserved[cid]; in smp_request_block()
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/Linux-v6.1/drivers/net/ethernet/chelsio/cxgb/
Dvsc7326_reg.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * Straight off the data sheet, VMDS-10038 Rev 2.0 and
9 * PD0011-01-14-Meigs-II 2002-12-12
14 #define CRA(blk,sub,adr) ((((blk) & 0x7) << 13) | (((sub) & 0xf) << 9) | (((adr) & 0xff) << 1)) argument
69 * fn = FIFO number, 0-9
84 * bn = bucket number 0-10 (yes, 11 buckets)
114 #define REG_SPI4_DBG_CNT(n) CRA(0x5,0x0,0x10+n) /* Debug counters 0-9 */
121 #define REG_TPSAM_P0 CRA(0x5,0x0,0x25) /* Sampled pattern 0 */
122 #define REG_TPSAM_P1 CRA(0x5,0x0,0x26) /* Sampled pattern 1 */
126 #define REG_SPI4_DBG_STATUS CRA(0x5,0x0,0x32) /* Sampled ingress status */
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/Linux-v6.1/include/xen/interface/io/
Dnetif.h1 /* SPDX-License-Identifier: MIT */
5 * Unified network-device I/O interface for Xen guest OSes.
7 * Copyright (c) 2003-2004, Keir Fraser
38 * feature 'feature-rx-notify' via xenbus. Otherwise the backend will assume
43 * "feature-split-event-channels" is introduced to separate guest TX
49 * "event-channel-tx" and "event-channel-rx" respectively. If frontend
50 * doesn't want to use this feature, it just writes "event-channel"
56 * If supported, the backend will write the key "multi-queue-max-queues" to
60 * key "multi-queue-num-queues", set to the number they wish to use, which
62 * in "multi-queue-max-queues".
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/Linux-v6.1/include/soc/tegra/
Dbpmp-abi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2014-2020, NVIDIA CORPORATION. All rights reserved.
66 * A well-defined subset of the MRQ messages that the CPU sends to the
91 * |-----|--------------------------------------------|
192 * @defgroup CC3 Auto-CC3
244 * mrq_ping_request challenge left shifted by 1 with the carry-bit
446 * values. err is -#BPMP_EINVAL if size is zero or area is NULL or
459 * is treated as a byte-aligned pointer in the recipient's address
523 /** @brief Module-specific mail payload
536 /** @brief Module-specific mail payload
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/Linux-v6.1/drivers/gpu/drm/
Ddrm_blend.c43 * sub-pixel accuracy, which is scaled up to a pixel-aligned destination
87 * ever be sampled, which is important when applying more sophisticated
96 * plane-wide opacity, from transparent (0) to opaque (0xffff). It can be
99 * pre-multiplied by the global alpha associated to the plane.
109 * "rotate-<degrees>":
113 * "reflect-<axis>":
117 * reflect-x::
120 * | | -> | |
123 * reflect-y::
126 * | | -> | |
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/Linux-v6.1/drivers/regulator/
Dmax597x-regulator.c1 // SPDX-License-Identifier: GPL-2.0
39 /* Status1 register contains the soft strap values sampled at POR */ in max597x_uvp_ovp_check_mode()
40 ret = regmap_read(rdev->regmap, MAX5970_REG_STATUS1, &reg); in max597x_uvp_ovp_check_mode()
47 return -EOPNOTSUPP; in max597x_uvp_ovp_check_mode()
52 return -EOPNOTSUPP; in max597x_uvp_ovp_check_mode()
83 /* reg = ADC_MASK * (lim_uV / 1000000) / (data->mon_rng / 1000000) */ in max597x_set_vp()
84 reg = ADC_MASK * lim_uV / data->mon_rng; in max597x_set_vp()
88 ret = regmap_write(rdev->regmap, off_h, MAX5970_VAL2REG_H(reg)); in max597x_set_vp()
92 ret = regmap_write(rdev->regmap, off_l, MAX5970_VAL2REG_L(reg)); in max597x_set_vp()
109 return -EINVAL; in max597x_set_uvp()
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/Linux-v6.1/drivers/gpu/drm/arm/
Dmalidp_planes.c1 // SPDX-License-Identifier: GPL-2.0-only
57 * This 4-entry look-up-table is used to determine the full 8-bit alpha value
58 * for formats with 1- or 2-bit alpha channels.
59 * We set it to give 100%/0% opacity for 1-bit formats and 100%/66%/33%/0%
60 * opacity for 2-bit formats.
68 /* readahead for partial-frame prefetch */
80 * Replicate what the default ->reset hook does: free the state pointer and
86 struct malidp_plane_state *state = to_malidp_plane_state(plane->state); in malidp_plane_reset()
89 __drm_atomic_helper_plane_destroy_state(&state->base); in malidp_plane_reset()
91 plane->state = NULL; in malidp_plane_reset()
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/Linux-v6.1/drivers/net/wireless/intel/iwlegacy/
D4965.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
8 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
79 * Acquire il->lock before calling this function !
83 * il4965_tx_queue_set_status - (optionally) start Tx/Cmd queue
84 * @tx_fifo_id: Tx DMA/FIFO channel (range 0-7) that the queue will feed
87 * NOTE: Acquire il->lock before calling this function !
181 * The first queue used for block-ack aggregation is #7 (4965 only).
182 * All block-ack aggregation queues should map to Tx DMA/FIFO channel 7.
194 #define IL49_RTC_INST_SIZE (IL49_RTC_INST_UPPER_BOUND - \
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/Linux-v6.1/drivers/media/pci/tw5864/
Dtw5864-reg.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * TW5864 driver - registers description
8 /* According to TW5864_datasheet_0.6d.pdf, tw5864b1-ds.pdf */
10 /* Register Description - Direct Map Space */
11 /* 0x0000 ~ 0x1ffc - H264 Register Map */
76 * 0->3 4 VLC data buffer in DDR (1M each)
77 * 0->7 8 VLC data buffer in DDR (512k each)
147 /* DDR-DPR Burst Read Enable */
157 * 0 Single R/W Access (Host <-> DDR)
158 * 1 Burst R/W Access (Host <-> DPR)
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/Linux-v6.1/drivers/net/ethernet/intel/ice/
Dice_ptp.c1 // SPDX-License-Identifier: GPL-2.0
116 return -EINVAL; in ice_ptp_set_sma_config_e810t()
121 return -EINVAL; in ice_ptp_set_sma_config_e810t()
193 struct ice_hw *hw = &pf->hw; in ice_ptp_set_sma_e810t()
197 return -EOPNOTSUPP; in ice_ptp_set_sma_e810t()
237 return -EOPNOTSUPP; in ice_verify_pin_e810t()
245 return -EOPNOTSUPP; in ice_verify_pin_e810t()
249 return -EOPNOTSUPP; in ice_verify_pin_e810t()
252 return -EOPNOTSUPP; in ice_verify_pin_e810t()
259 * ice_set_tx_tstamp - Enable or disable Tx timestamping
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/Linux-v6.1/drivers/iio/common/cros_ec_sensors/
Dcros_ec_sensors_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * cros_ec_sensors_core - Common function for Chrome OS EC sensor driver.
106 mutex_lock(&st->cmd_lock); in cros_ec_sensor_set_ec_rate()
107 st->param.cmd = MOTIONSENSE_CMD_EC_RATE; in cros_ec_sensor_set_ec_rate()
108 st->param.ec_rate.data = rate; in cros_ec_sensor_set_ec_rate()
110 mutex_unlock(&st->cmd_lock); in cros_ec_sensor_set_ec_rate()
144 mutex_lock(&st->cmd_lock); in cros_ec_sensor_get_report_latency()
145 st->param.cmd = MOTIONSENSE_CMD_EC_RATE; in cros_ec_sensor_get_report_latency()
146 st->param.ec_rate.data = EC_MOTION_SENSE_NO_VALUE; in cros_ec_sensor_get_report_latency()
149 latency = st->resp->ec_rate.ret; in cros_ec_sensor_get_report_latency()
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/Linux-v6.1/tools/perf/pmu-events/arch/x86/sapphirerapids/
Dpipeline.json36 …y executing divide or square root operations. Accounts for integer and floating-point operations.",
219 "BriefDescription": "Mispredicted non-taken conditional branch instructions retired.",
243 …"BriefDescription": "Miss-predicted near indirect branch instructions retired (excluding returns)",
250 …"PublicDescription": "Counts miss-predicted near indirect branch instructions retired excluding re…
286 …"PublicDescription": "This is a non-precise version (that is, does not use PEBS) of the event that…
291 …"BriefDescription": "Core clocks when the thread is in the C0.1 light-weight slower wakeup time bu…
297 …"PublicDescription": "Counts core clocks when the thread is in the C0.1 light-weight slower wakeup…
303 …"BriefDescription": "Core clocks when the thread is in the C0.2 light-weight faster wakeup time bu…
309 …"PublicDescription": "Counts core clocks when the thread is in the C0.2 light-weight faster wakeup…
379 …stal clock cycle counts between active hyperthreads, i.e., those in C0 sleep-state. A hyperthread …
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/Linux-v6.1/tools/kvm/kvm_stat/
Dkvm_stat2 # SPDX-License-Identifier: GPL-2.0-only
4 # top-like utility for displaying kvm statistics
6 # Copyright 2006-2008 Qumranet Technologies
7 # Copyright 2008-2011 Red Hat, Inc.
15 - as a top-like text ui
16 - in a key -> value format
17 - in an all keys, all values format
19 The data is sampled from the KVM's debugfs entries and its perf events.
493 Used to set up performance events, returns a file descriptor or -1
497 - syscall number
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/Linux-v6.1/fs/
Ddirect-io.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * fs/direct-io.c
16 * added support for non-aligned IO.
59 * is determined on a per-invocation basis. When talking to the filesystem
61 * down by dio->blkfactor. Similarly, fs-blocksize quantities are converted
76 finer. blkfactor=2 means 1/4-block
78 unsigned start_zero_done; /* flag: sub-blocksize zeroing has
161 return sdio->tail - sdio->head; in dio_pages_present()
169 const enum req_op dio_op = dio->opf & REQ_OP_MASK; in dio_refill_pages()
172 ret = iov_iter_get_pages2(sdio->iter, dio->pages, LONG_MAX, DIO_PAGES, in dio_refill_pages()
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/Linux-v6.1/tools/perf/Documentation/
Dperf-intel-pt.txt1 perf-intel-pt(1)
5 ----
6 perf-intel-pt - Support for Intel Processor Trace within perf tools
9 --------
11 'perf record' -e intel_pt//
14 -----------
19 Technical details are documented in the Intel 64 and IA-32 Architectures
23 processors that are based on the Intel micro-architecture code name Broadwell.
33 Decoding is done on-the-fly. The decoder outputs samples in the same format as
43 builds, however the executed images are needed - which makes use in JIT-compiled
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/Linux-v6.1/block/
Dbfq-iosched.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * BFQ is a proportional-share I/O scheduler, with some extra
17 * low-latency capabilities. BFQ also supports full hierarchical
20 * limitations can be found in Documentation/block/bfq-iosched.rst.
22 * BFQ is a proportional-share storage-I/O scheduling algorithm based
23 * on the slice-by-slice service scheme of CFQ. But BFQ assigns
25 * time slices. The device is not granted to the in-service process
31 * B-WF2Q+, to schedule processes according to their budgets. More
33 * process/queue is assigned a user-configurable weight, and B-WF2Q+
36 * B-WF2Q+, BFQ can afford to assign high budgets to I/O-bound
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/Linux-v6.1/drivers/gpu/drm/i915/
Di915_irq.c1 /* i915_irq.c -- IRQ support for the I915 -*- linux-c -*-
11 * distribute, sub license, and/or sell copies of the Software, and to
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
81 WRITE_ONCE(i915->pmu.irq_count, i915->pmu.irq_count + 1); in pmu_irq_stats()
188 struct intel_hotplug *hpd = &dev_priv->display.hotplug; in intel_hpd_init_pins()
193 hpd->hpd = hpd_status_g4x; in intel_hpd_init_pins()
195 hpd->hpd = hpd_status_i915; in intel_hpd_init_pins()
200 hpd->hpd = hpd_gen11; in intel_hpd_init_pins()
202 hpd->hpd = hpd_bxt; in intel_hpd_init_pins()
204 hpd->hpd = hpd_bdw; in intel_hpd_init_pins()
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/Linux-v6.1/drivers/comedi/drivers/
Dni_mio_common.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Hardware driver for DAQ-STC based boards
5 * COMEDI - Linux Control and Measurement Device Interface
6 * Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org>
7 * Copyright (C) 2002-2006 Frank Mori Hess <fmhess@users.sourceforge.net>
17 * 340747b.pdf AT-MIO E series Register Level Programmer Manual
19 * 340934b.pdf DAQ-STC reference manual
31 * 321791a.pdf discontinuation of at-mio-16e-10 rev. c
32 * 321808a.pdf about at-mio-16e-10 rev P
33 * 321837a.pdf discontinuation of at-mio-16de-10 rev d
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