| /Linux-v6.1/Documentation/userspace-api/media/v4l/ |
| D | colorspaces.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
92 specific chromaticity primaries are linear colorspaces. But neither the
93 eye, nor display technology is linear. Doubling the values of all
94 components in the linear colorspace will not be perceived as twice the
96 function that takes a linear color component value and transforms it to
97 the non-linear component value, which is a closer match to the
98 non-linear performance of both the eye and displays. Linear component
99 values are denoted RGB, non-linear are denoted as R'G'B'. In general
101 linear RGB. Special care should be taken when dealing with openGL to
102 provide linear RGB colors or to use the built-in openGL support to apply
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| D | pixfmt-yuv-planar.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. planar-yuv:
12 - Semi-planar formats use two planes. The first plane is the luma plane and
16 - Fully planar formats use three planes to store the Y, Cb and Cr components
19 Within a plane, components are stored in pixel order, which may be linear or
26 and applications that support the multi-planar API, described in
27 :ref:`planar-apis`. Unless explicitly documented as supporting non-contiguous
31 Semi-Planar YUV Formats
46 For non-contiguous formats, no constraints are enforced by the format on the
57 .. flat-table:: Overview of Semi-Planar YUV Formats
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| /Linux-v6.1/drivers/hid/ |
| D | hid-bigbenff.c | 1 // SPDX-License-Identifier: GPL-2.0+
7 * "Kid-friendly Wired Controller" PS3OFMINIPAD SONY
19 #include "hid-ids.h"
37 * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
39 * 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
47 * 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State)
50 * 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
59 * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
74 * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
77 …0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-…
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-class-backlight | 9 hence linear changes in brightness are perceived as being
10 non-linear. To achieve a linear perception of brightness changes
12 backlights with a linear brightness curve.
19 linear
21 controls should apply a logarithmic mapping for a linear
24 non-linear
25 The brightness changes non-linearly with each step. Brightness
26 controls should use a linear mapping for a linear perception.
38 The value range is device-driver specific:
47 It returns a 13-bits integer.
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| /Linux-v6.1/drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ |
| D | ia_css_bnlm_types.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 * CSS-API header file for Bayer Non-Linear Mean parameters.
25 /* Bayer Non-Linear Mean configuration
44 * that fits the first-order exp() to default exp_lut in BNLM sheet
54 /* Index for n-th maximum candidate weight for each detail group */
83 /* Non linear transfer functions to calculate the blending coefficient depending on detail group */
|
| /Linux-v6.1/Documentation/admin-guide/hw-vuln/ |
| D | multihit.rst | 13 -------------------
18 - non-Intel processors
20 - Some Atoms (Airmont, Bonnell, Goldmont, GoldmontPlus, Saltwell, Silvermont)
22 - Intel processors that have the PSCHANGE_MC_NO bit set in the
27 ------------
32 CVE-2018-12207 Machine Check Error Avoidance on Page Size Change
37 -------
50 Under this errata, instructions are fetched from a linear address translated
52 paging structure so that the same linear address using large page size (2 MB, 4
55 the linear address, a code fetch that happens on the same linear address may
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| /Linux-v6.1/drivers/sh/intc/ |
| D | irqdomain.c | 18 * intc_irq_domain_evt_xlate() - Generic xlate for vectored IRQs.
32 return -EINVAL; in intc_evt_xlate()
50 * Quick linear revmap check in intc_irq_domain_init()
52 irq_base = evt2irq(hw->vectors[0].vect); in intc_irq_domain_init()
53 irq_end = evt2irq(hw->vectors[hw->nr_vectors - 1].vect); in intc_irq_domain_init()
56 * Linear domains have a hard-wired assertion that IRQs start at in intc_irq_domain_init()
58 * restrict the linear case to these conditions here, taking the in intc_irq_domain_init()
59 * tree penalty for linear cases with non-zero hwirq bases. in intc_irq_domain_init()
61 if (irq_base == 0 && irq_end == (irq_base + hw->nr_vectors - 1)) in intc_irq_domain_init()
62 d->domain = irq_domain_add_linear(NULL, hw->nr_vectors, in intc_irq_domain_init()
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| /Linux-v6.1/drivers/gpu/drm/amd/display/amdgpu_dm/ |
| D | amdgpu_dm_color.c | 38 * - Input gamma LUT (de-normalized)
39 * - Input CSC (normalized)
40 * - Surface degamma LUT (normalized)
41 * - Surface CSC (normalized)
42 * - Surface regamma LUT (normalized)
43 * - Output CSC (normalized)
49 * Plane CTM -> Plane degamma -> Plane CTM -> Plane regamma -> Plane CTM
59 * support any CRTC props with correct blending with multiple planes - but we
64 * respective property is set to NULL. A linear DGM/RGM LUT should also
70 * Plane DGM Bypass -> Plane CTM Bypass -> Plane RGM Bypass -> ...
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| /Linux-v6.1/arch/powerpc/mm/nohash/ |
| D | tlb_low_64e.S | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009
15 #include <asm/asm-offsets.h>
17 #include <asm/exception-64e.h>
18 #include <asm/ppc-opcode.h>
21 #include <asm/feature-fixups.h>
30 * TLB miss handling for Book3E with a bolted linear mapping *
36 * Note that, unlike non-bolted handlers, TLB_EXFRAME is not
95 /* We pre-test some combination of permissions to avoid double
116 rldicl. r10,r16,64-PGTABLE_EADDR_SIZE,PGTABLE_EADDR_SIZE+4
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| D | tlb.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * this does -not- include 603 however which shares the implementation with
9 * -- BenH
15 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
40 #include <asm/code-patching.h>
48 * This struct lists the sw-supported page sizes. The hardawre MMU may support
113 /* The variables below are currently only used on 64-bit Book3E
122 unsigned long linear_map_top; /* Top of linear mapping */
136 /* next_tlbcam_idx is used to round-robin tlbcam entry assignment */
144 * - flush_tlb_mm(mm) flushes the specified mm context TLB's
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| /Linux-v6.1/arch/riscv/mm/ |
| D | physaddr.c | 1 // SPDX-License-Identifier: GPL-2.0
12 * Boundary checking aginst the kernel linear mapping space. in __virt_to_phys()
15 "virt_to_phys used for non-linear address: %pK (%pS)\n", in __virt_to_phys()
|
| /Linux-v6.1/arch/x86/kvm/ |
| D | kvm_emulate.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Generic x86 (32-bit and 64-bit) instruction decoder and emulator.
9 * From: xen-unstable 10676:af9809f51f81a3c43f276f00c81a52ef558afda4
59 * location, that this location is the given linear faulting address (cr2), and
62 * automatically deduces which operand of a string-move operation is accessing
73 * some out-of-band mechanism, unknown to the emulator. The memop signals
77 * cmpxchg8b_emulated need support 8-byte accesses.
78 * 4. The emulator cannot handle 64-bit mode emulation on an x86/32 system.
94 * read_gpr: read a general purpose register (rax - r15)
100 * write_gpr: write a general purpose register (rax - r15)
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| /Linux-v6.1/sound/core/ |
| D | pcm_misc.c | 2 * PCM Interface - misc routines
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #define SND_PCM_FORMAT_UNKNOWN (-1)
37 signed char le; /* 0 = big-endian, 1 = little-endian, -1 = others */
38 signed char signd; /* 0 = unsigned, 1 = signed, -1 = others */
52 .width = 8, .phys = 8, .le = -1, .signd = 1,
56 .width = 8, .phys = 8, .le = -1, .signd = 0,
108 .width = 32, .phys = 32, .le = 1, .signd = -1,
112 .width = 32, .phys = 32, .le = 0, .signd = -1,
116 .width = 64, .phys = 64, .le = 1, .signd = -1,
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| /Linux-v6.1/include/linux/regulator/ |
| D | machine.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * machine.h -- SoC Regulator support, machine/board driver API.
44 * DO_NOTHING_IN_SUSPEND - the default value
45 * DISABLE_IN_SUSPEND - turn off regulator in suspend states
46 * ENABLE_IN_SUSPEND - keep regulator on in suspend states
60 * struct regulator_state - regulator state during low power system states
72 * - DO_NOTHING_IN_SUSPEND
73 * - DISABLE_IN_SUSPEND
74 * - ENABLE_IN_SUSPEND
86 #define REGULATOR_NOTIF_LIMIT_DISABLE -1
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| /Linux-v6.1/Documentation/devicetree/bindings/hwmon/ |
| D | ntc-thermistor.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 ---
3 $id: http://devicetree.org/schemas/hwmon/ntc-thermistor.yaml#
4 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Naveen Krishna Chatradhi <ch.naveen@samsung.com>
10 - Linus Walleij <linus.walleij@linaro.org>
14 vary in resistance in an often non-linear way in relation to temperature.
17 temperature is non-linear, software drivers most often need to use a look
21 pull-up resistor or/and a pull-down resistor and a fixed voltage like this:
23 + e.g. 5V = pull-up voltage (puv)
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| /Linux-v6.1/Documentation/filesystems/ext4/ |
| D | directory.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 -----------------
9 that reference the same inode number--these are known as hard links, and
15 Linear (Classic) Directories
18 By default, each directory lists its entries in an “almost-linear”
19 array. I write “almost” because it's not a linear array in the memory
22 data blocks and that each block contains a linear array of directory
23 entries. The end of each per-block array is signified by reaching the
36 .. list-table::
38 :header-rows: 1
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| /Linux-v6.1/arch/powerpc/include/asm/book3s/64/ |
| D | hash-4k.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 * linear map range, 1TB of vmalloc, 1TB of I/O and 1TB of vmememmap.
26 * Limits the linear mapping range
31 * Define the address range of the kernel non-linear virtual area (61TB)
|
| /Linux-v6.1/include/uapi/drm/ |
| D | drm_fourcc.h | 39 * further describe the buffer's format - for example tiling or compression.
42 * ----------------
56 * vendor-namespaced, and as such the relationship between a fourcc code and a
58 * may preserve meaning - such as number of planes - from the fourcc code,
64 * a modifier: a buffer may match a 64-pixel aligned modifier and a 32-pixel
76 * - Kernel and user-space drivers: for drivers it's important that modifiers
80 * - Higher-level programs interfacing with KMS/GBM/EGL/Vulkan/etc: these users
210 * IEEE 754-2008 binary16 half-precision float
220 * RGBA format with 10-bit components packed in 64-bit per pixel, with 6 bits
236 …10 fourcc_code('V', 'U', '3', '0') /* Y followed by U then V, 10:10:10. Non-linear modifier only */
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| /Linux-v6.1/Documentation/core-api/irq/ |
| D | irq-domain.rst | 9 that each one gets assigned non-overlapping allocations of Linux
24 For this reason we need a mechanism to separate controller-local
29 the controller-local IRQ (hwirq) number into the Linux IRQ number
61 - irq_resolve_mapping() returns a pointer to the irq_desc structure
64 - irq_find_mapping() returns a Linux IRQ number for a given domain and
66 - irq_linear_revmap() is now identical to irq_find_mapping(), and is
68 - generic_handle_domain_irq() handles an interrupt described by a
72 compatible with a RCU read-side critical section.
80 callbacks) then it can be directly obtained from irq_data->hwirq.
90 Linear section in Types of irq_domain mappings
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| /Linux-v6.1/Documentation/hwmon/ |
| D | bt1-pvt.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
3 Kernel driver bt1-pvt
8 * Baikal-T1 PVT sensor (in SoC)
10 Prefix: 'bt1-pvt'
12 Addresses scanned: -
21 -----------
24 embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
29 compile-time configurable due to the hardware interface implementation
40 in alarm-less configuration the data conversion is performed by the driver
41 on demand when read operation is requested via corresponding _input-file.
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| /Linux-v6.1/Documentation/admin-guide/pm/ |
| D | amd-pstate.rst | 1 .. 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
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| /Linux-v6.1/tools/power/cpupower/utils/helpers/ |
| D | amd.c | 1 // SPDX-License-Identifier: GPL-2.0
14 /* ACPI P-States Helper Functions for AMD Processors ***************/
81 * cpu -> the cpu that gets evaluated
82 * boost_states -> how much boost states the machines support
85 * pstates -> a pointer to an array of size MAX_HW_PSTATES
88 * no -> amount of pstates above array got filled up with
90 * returns zero on success, -1 on failure
103 return -1; in decode_pstates()
106 return -1; in decode_pstates()
114 return -1; in decode_pstates()
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| /Linux-v6.1/arch/arm64/mm/ |
| D | physaddr.c | 1 // SPDX-License-Identifier: GPL-2.0
13 "virt_to_phys used for non-linear address: %pK (%pS)\n", in __virt_to_phys()
|
| /Linux-v6.1/Documentation/process/ |
| D | deprecated.rst | 1 .. SPDX-License-Identifier: GPL-2.0
21 ------------
33 ------------------
35 error condition as gracefully as possible. While the BUG()-family
42 <https://lore.kernel.org/lkml/CA+55aFy6jNLsywVYdGp83AMrXBo_P-pkjkphPGrO=82SPKCpLQ@mail.gmail.com/>`_
44 <https://lore.kernel.org/lkml/CAHk-=whDHsbK3HTOpTF=ue_o04onRwTEaK_ZoJp_fjbqq4+=Jw@mail.gmail.com/>`…
46 Note that the WARN()-family should only be used for "expected to
48 but undesirable" situations, please use the pr_warn()-family of
54 open-coded arithmetic in allocator arguments
55 --------------------------------------------
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| /Linux-v6.1/arch/x86/include/asm/ |
| D | sparsemem.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
9 * generic non-linear memory support:
28 # define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
|
