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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/
Dst,stm32-sai.txt4 as I2S standards, LSB or MSB-justified, PCM/DSP, TDM, and AC'97.
5 The SAI contains two independent audio sub-blocks. Each sub-block has
9 - compatible: Should be "st,stm32f4-sai" or "st,stm32h7-sai"
10 - reg: Base address and size of SAI common register set.
11 - clocks: Must contain phandle and clock specifier pairs for each entry
12 in clock-names.
13 - clock-names: Must contain "pclk" "x8k" and "x11k"
15 Mandatory for "st,stm32h7-sai" compatible.
16 Not used for "st,stm32f4-sai" compatible.
19 - interrupts: cpu DAI interrupt line shared by SAI sub-blocks
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/kernel/linux/linux-5.10/drivers/gpu/drm/msm/disp/dpu1/
Ddpu_hw_catalog.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
14 * Max hardware block count: For ex: max 12 SSPP pipes or
74 * MDP TOP BLOCK features
94 * SSPP sub-blocks/features
101 * @DPU_SSPP_CSC_10BIT, Support of 10-bit Color space conversion
104 * @DPU_SSPP_QOS_8LVL, SSPP support 8-level QoS control
134 * MIXER sub-blocks/features
136 * @DPU_MIXER_SOURCESPLIT Layer mixer supports source-split configuration
137 * @DPU_MIXER_GC Gamma correction block
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/kernel/linux/linux-5.10/sound/soc/uniphier/
Daio-core.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
17 #include "aio-reg.h"
22 return wr - rd; in rb_cnt()
24 return len - (rd - wr); in rb_cnt()
30 return wr - rd; in rb_cnt_to_end()
32 return len - rd; in rb_cnt_to_end()
38 return len - (wr - rd) - 8; in rb_space()
40 return rd - wr - 8; in rb_space()
46 return rd - wr - 8; in rb_space_to_end()
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/kernel/linux/linux-5.10/Documentation/driver-api/media/
Dv4l2-subdev.rst1 .. SPDX-License-Identifier: GPL-2.0
3 V4L2 sub-devices
4 ----------------
6 Many drivers need to communicate with sub-devices. These devices can do all
8 encoding or decoding. For webcams common sub-devices are sensors and camera
12 driver with a consistent interface to these sub-devices the
13 :c:type:`v4l2_subdev` struct (v4l2-subdev.h) was created.
15 Each sub-device driver must have a :c:type:`v4l2_subdev` struct. This struct
16 can be stand-alone for simple sub-devices or it might be embedded in a larger
18 low-level device struct (e.g. ``i2c_client``) that contains the device data as
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Dv4l2-controls.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ------------
31 sub-device drivers.
35 ------------------------
48 Basic usage for V4L2 and sub-device drivers
49 -------------------------------------------
53 .. code-block:: c
55 #include <media/v4l2-ctrls.h>
57 1.1) Add the handler to your driver's top-level struct:
61 .. code-block:: c
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/kernel/linux/linux-5.10/fs/xfs/scrub/
Dbitmap.c1 // SPDX-License-Identifier: GPL-2.0+
30 return -ENOMEM; in xbitmap_set()
32 INIT_LIST_HEAD(&bmr->list); in xbitmap_set()
33 bmr->start = start; in xbitmap_set()
34 bmr->len = len; in xbitmap_set()
35 list_add_tail(&bmr->list, &bitmap->list); in xbitmap_set()
49 list_del(&bmr->list); in xbitmap_destroy()
54 /* Set up a per-AG block bitmap. */
59 INIT_LIST_HEAD(&bitmap->list); in xbitmap_init()
75 if (ap->start > bp->start) in xbitmap_range_cmp()
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/kernel/linux/linux-5.10/fs/ntfs/
Dcompress.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * compress.c - NTFS kernel compressed attributes handling.
4 * Part of the Linux-NTFS project.
6 * Copyright (c) 2001-2004 Anton Altaparmakov
22 * ntfs_compression_constants - enum of constants used in the compression code
30 /* Compression sub-block constants. */
36 * The maximum compression block size is by definition 16 * the cluster
45 * ntfs_compression_buffer - one buffer for the decompression engine
50 * ntfs_cb_lock - spinlock which protects ntfs_compression_buffer
55 * allocate_compression_buffers - allocate the decompression buffers
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/kernel/linux/linux-5.10/Documentation/filesystems/
Dzonefs.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ZoneFS - Zone filesystem for Zoned block devices
10 zonefs is a very simple file system exposing each zone of a zoned block device
11 as a file. Unlike a regular POSIX-compliant file system with native zoned block
13 constraint of zoned block devices to the user. Files representing sequential
17 As such, zonefs is in essence closer to a raw block device access interface
18 than to a full-featured POSIX file system. The goal of zonefs is to simplify
19 the implementation of zoned block device support in applications by replacing
20 raw block device file accesses with a richer file API, avoiding relying on
21 direct block device file ioctls which may be more obscure to developers. One
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/kernel/linux/linux-5.10/Documentation/admin-guide/media/
Dfimc.rst1 .. SPDX-License-Identifier: GPL-2.0
8 Copyright |copy| 2012 - 2013 Samsung Electronics Co., Ltd.
17 drivers/media/platform/exynos4-is directory.
20 --------------
22 S5PC100 (mem-to-mem only), S5PV210, Exynos4210
25 ------------------
27 - camera parallel interface capture (ITU-R.BT601/565);
28 - camera serial interface capture (MIPI-CSI2);
29 - memory-to-memory processing (color space conversion, scaling, mirror
31 - dynamic pipeline re-configuration at runtime (re-attachment of any FIMC
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/kernel/linux/linux-5.10/arch/sparc/lib/
DNGmemcpy.S1 /* SPDX-License-Identifier: GPL-2.0 */
95 sub %g1, 8, %g1
100 sub %g1, 16, %g1
105 sub %g1, 24, %g1
110 sub %g1, 32, %g1
115 sub %g1, 40, %g1
120 sub %g1, 48, %g1
125 sub %g1, 56, %g1
134 sub %i4, 8, %i4
172 save %sp, -SAVE_AMOUNT, %sp
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DM7memcpy.S15 * Fast assembler language version of the following C-program for memcpy
16 * which represents the `standard' for the C-library.
26 * } while (--n != 0);
60 * copy with ldx/stx in 8-way unrolled loop;
61 * copy final 0-63 bytes; exit with dst addr
65 * Use BIS (block initializing store) to avoid copying store cache
66 * lines from memory. But pre-store first element of each cache line
74 * move words in 8-way unrolled loop
75 * move final 0-31 bytes; exit with dst addr
77 * use alignaddr/faligndata combined with ldd/std in 8-way
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DM7memset.S15 * Fast assembler language version of the following C-program for memset
16 * which represents the `standard' for the C-library.
25 * } while (--n != 0);
35 * Then store as many 4-byte chunks, followed by trailing bytes.
39 * store 8-bytes chunks to align the address on 64 byte boundary
42 * 64-byte cache line to zero which will also clear the
49 * In the main loop, continue pre-setting the first long
56 * store remaining data in 64-byte chunks until less than
59 * Store as many 8-byte chunks, followed by trailing bytes.
61 * BIS = Block Init Store
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/kernel/linux/linux-5.10/include/drm/
Ddrm_fourcc.h54 * struct drm_format_info - information about a DRM format
86 * Number of bytes per block (per plane), where blocks are
99 * block and non-block formats in the same way.
101 * For formats that are intended to be used only with non-linear
113 * Block width in pixels, this is intended to be accessed through
121 * Block height in pixels, this is intended to be accessed through
139 * struct drm_format_name_buf - name of a DRM format
147 * drm_format_info_is_yuv_packed - check that the format info matches a YUV
157 return info->is_yuv && info->num_planes == 1; in drm_format_info_is_yuv_packed()
161 * drm_format_info_is_yuv_semiplanar - check that the format info matches a YUV
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mailbox/
Domap-mailbox.txt5 using a queued mailbox interrupt mechanism. The IP block is external to the
10 Each mailbox IP block/cluster has a certain number of h/w fifo queues and output
25 routed to different processor sub-systems on DRA7xx as they are routed through
28 into a single IP block present within the Main NavSS. The interrupt lines from
35 a SoC. The sub-mailboxes are represented as child nodes of this parent node.
38 --------------------
39 - compatible: Should be one of the following,
40 "ti,omap2-mailbox" for OMAP2420, OMAP2430 SoCs
41 "ti,omap3-mailbox" for OMAP3430, OMAP3630 SoCs
42 "ti,omap4-mailbox" for OMAP44xx, OMAP54xx, AM33xx,
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/powerpc/fsl/
Dsrio-rmu.txt5 node is composed of three types of sub-nodes ("fsl-srio-msg-unit",
6 "fsl-srio-dbell-unit" and "fsl-srio-port-write-unit").
10 - compatible
13 Definition: Must include "fsl,srio-rmu-vX.Y", "fsl,srio-rmu".
15 The version X.Y should match the general SRIO controller's IP Block
18 - reg
20 Value type: <prop-encoded-array>
25 - fsl,liodn
26 Usage: optional-but-recommended (for devices with PAMU)
27 Value type: <prop-encoded-array>
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mfd/
Dmax8998.txt1 * Maxim MAX8998, National/TI LP3974 multi-function device
3 The Maxim MAX8998 is a multi-function device which includes voltage/current
5 other sub-blocks. It is interfaced using an I2C interface. Each sub-block
8 PMIC sub-block
9 --------------
11 The PMIC sub-block contains a number of voltage and current regulators,
17 - compatible: Should be one of the following:
18 - "maxim,max8998" for Maxim MAX8998
19 - "national,lp3974" or "ti,lp3974" for National/TI LP3974.
20 - reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
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Dsamsung,sec-core.txt1 Binding for Samsung S2M and S5M family multi-function device
4 This is a part of device tree bindings for S2M and S5M family multi-function
8 of multi-function devices which include voltage and current regulators, RTC,
9 charger controller, clock outputs and other sub-blocks. It is interfaced
10 to the host controller using an I2C interface. Each sub-block is usually
14 This document describes bindings for main device node. Optional sub-blocks
15 must be a sub-nodes to it. Bindings for them can be found in:
16 - bindings/regulator/samsung,s2mpa01.txt
17 - bindings/regulator/samsung,s2mps11.txt
18 - bindings/regulator/samsung,s5m8767.txt
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/kernel/linux/linux-5.10/Documentation/userspace-api/media/
Dglossary.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
51 **Field-programmable Gate Array**
56 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
60 :term:`SPI` device, or an :term:`IP Block` inside an
65 together make a larger user-facing functional peripheral. For
66 instance, the :term:`SoC` :term:`ISP` :term:`IP Block`
73 **Inter-Integrated Circuit**
75 A multi-master, multi-slave, packet switched, single-ended,
77 like sub-device hardware components.
79 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/regulator/
Dmax8997-regulator.txt3 The Maxim MAX8997 is a multi-function device which includes voltage and
4 current regulators, rtc, charger controller and other sub-blocks. It is
5 interfaced to the host controller using a i2c interface. Each sub-block is
7 describes the bindings for 'pmic' sub-block of max8997.
10 - compatible: Should be "maxim,max8997-pmic".
11 - reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
13 - max8997,pmic-buck1-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
17 - max8997,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
21 - max8997,pmic-buck5-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
25 [1] If none of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/devfreq/
Dexynos-bus.txt4 and sub-blocks in SoC. Most Exynos SoCs share the common architecture
9 is able to measure the current load of sub-blocks.
11 The Exynos SoC includes the various sub-blocks which have the each AXI bus.
13 power line. The power line might be shared among one more sub-blocks.
14 So, we can divide into two type of device as the role of each sub-block.
16 - parent bus device
17 - passive bus device
23 power line, Only one block should be parent device and then the rest blocks
26 VDD_xxx |--- A block (parent)
27 |--- B block (passive)
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/kernel/linux/linux-5.10/arch/arm64/crypto/
Daes-modes.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm64/crypto/aes-modes.S - chaining mode wrappers for AES
5 * Copyright (C) 2013 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
8 /* included by aes-ce.S and aes-neon.S */
55 stp x29, x30, [sp, #-16]!
63 ld1 {v0.16b-v3.16b}, [x1], #64 /* get 4 pt blocks */
67 st1 {v0.16b-v3.16b}, [x0], #64
74 ld1 {v0.16b}, [x1], #16 /* get next pt block */
86 stp x29, x30, [sp, #-16]!
94 ld1 {v0.16b-v3.16b}, [x1], #64 /* get 4 ct blocks */
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/kernel/linux/linux-5.10/arch/arm/crypto/
Daes-ce-core.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * aes-ce-core.S - AES in CBC/CTR/XTS mode using ARMv8 Crypto Extensions
12 .arch armv8-a
13 .fpu crypto-neon-fp-armv8
102 vld1.32 {q10-q11}, [ip]!
104 vld1.32 {q12-q13}, [ip]!
106 vld1.32 {q10-q11}, [ip]!
108 vld1.32 {q12-q13}, [ip]!
110 blo 0f @ AES-128: 10 rounds
111 vld1.32 {q10-q11}, [ip]!
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/kernel/linux/linux-5.10/include/linux/ceph/
Drados.h1 /* SPDX-License-Identifier: GPL-2.0 */
29 #define CEPH_SNAPDIR ((__u64)(-1)) /* reserved for hidden .snap dir */
30 #define CEPH_NOSNAP ((__u64)(-2)) /* "head", "live" revision */
31 #define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */
40 * object layout - how objects are mapped into PGs
47 * pg layout -- how PGs are mapped onto (sets of) OSDs
69 * pg_num -- base number of pseudorandomly placed pgs
71 * pgp_num -- effective number when calculating pg placement. this
78 * lpg_num -- localized pg count (per device). replicas are randomly
81 * lpgp_num -- as above.
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/kernel/linux/linux-5.10/arch/sparc/mm/
Dviking.S1 /* SPDX-License-Identifier: GPL-2.0 */
12 #include <asm/asm-offsets.h>
40 sub %o0, %g2, %g3
43 clr %o1 ! set counter, 0 - 127
44 sethi %hi(PAGE_OFFSET + PAGE_SIZE - 0x80000000), %o3
49 clr %o2 ! block counter, 0 - 3
54 sll %o2, 26, %g5 ! block << 26
81 sll %o2, 26, %g5 ! block << 26
93 sub %o0, %g2, %g3
94 sub %g3, -PAGE_SIZE, %g3 ! ppage + PAGE_SIZE
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/reset/
Dreset.txt10 reset consumer (the module being reset, or a module managing when a sub-
15 specifier - a list of DT cells that represents the reset signal within the
23 the DT node of each affected HW block, since if activated, an unrelated block
27 block node for dedicated reset signals. The intent of this binding is to give
30 block.
35 #reset-cells: Number of cells in a reset specifier; Typically 0 for nodes
41 rst: reset-controller {
42 #reset-cells = <1>;
51 #reset-cells, then only the phandle portion of the pair will
55 reset-names: List of reset signal name strings sorted in the same order as
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