| /kernel/linux/linux-5.10/include/linux/soundwire/ |
| D | sdw_intel.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
46 * struct sdw_intel_acpi_info - Soundwire Intel information found in ACPI tables
48 * @count: link count found with "sdw-master-count" property
49 * @link_mask: bit-wise mask listing links enabled by BIOS menu
63 /* Intel clock-stop/pm_runtime quirk definitions */
74 * reset and re-enumeration will be performed when the bus
76 * in-band wakes.
82 * (e.g. speaker amplifiers). The clock-stop mode is typically
83 * slightly higher power than when the IP is completely powered-off.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/leds/ |
| D | qcom,pm8058-led.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/qcom,pm8058-led.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
17 hard-wired usecase.
19 Hardware-wise the different LEDs support slightly different output currents.
24 - $ref: common.yaml#
29 - qcom,pm8058-led
30 - qcom,pm8058-keypad-led
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| /kernel/linux/linux-6.6/arch/arc/mm/ |
| D | ioremap.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
41 * Cache semantics wise it is same as ioremap - "forced" uncached.
43 * ARC hardware uncached region, this one still goes thru the MMU as caller
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/leds/ |
| D | leds-pm8058.txt | 3 The Qualcomm PM8058 is a multi-functional device which contains
8 are more of a suggestion than a hard-wired usecase.
10 Hardware-wise the different LEDs support slightly different
17 mfd/qcom-pm8xxx.txt.
19 Each LED is represented as a sub-node of the syscon device. Each
22 LED sub-node properties:
25 - compatible: one of
26 "qcom,pm8058-led" (for the normal LEDs at 0x131, 0x132 and 0x133)
27 "qcom,pm8058-keypad-led" (for the "keypad" LED at 0x48)
28 "qcom,pm8058-flash-led" (for the "flash" LEDs at 0x49 and 0xFB)
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| /kernel/linux/linux-6.6/include/linux/soundwire/ |
| D | sdw_intel.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
37 #define SDW_SHIM_SYNC_SYNCPRD_VAL_24 (24000 / SDW_CADENCE_GSYNC_KHZ - 1)
38 #define SDW_SHIM_SYNC_SYNCPRD_VAL_38_4 (38400 / SDW_CADENCE_GSYNC_KHZ - 1)
109 * ACE2.x definitions for SHIM registers - only accessible when the
118 /* Read-only capabilities */
120 #define SDW_SHIM2_LECAP_HDS BIT(0) /* unset -> Host mode */
125 #define SDW_SHIM2_PCMSCAP_ISS GENMASK(3, 0) /* Input-only streams */
126 #define SDW_SHIM2_PCMSCAP_OSS GENMASK(7, 4) /* Output-only streams */
129 /* Read-only PCM Stream Channel Count, y variable is stream */
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| /kernel/linux/linux-5.10/arch/arc/kernel/ |
| D | intc-compact.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com)
17 * Early Hardware specific Interrupt setup
18 * -Platform independent, needed for each CPU (not foldable into init_IRQ)
19 * -Called very early (start_kernel -> setup_arch -> setup_processor)
22 * -Optionally, setup the High priority Interrupts as Level 2 IRQs
38 pr_info("Level-2 interrupts bitset %x\n", level_mask); in arc_init_IRQ()
41 * Disable all IRQ lines so faulty external hardware won't in arc_init_IRQ()
54 * ARC700 core includes a simple on-chip intc supporting
55 * -per IRQ enable/disable
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| /kernel/linux/linux-6.6/arch/arc/kernel/ |
| D | intc-compact.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com)
17 * Early Hardware specific Interrupt setup
18 * -Platform independent, needed for each CPU (not foldable into init_IRQ)
19 * -Called very early (start_kernel -> setup_arch -> setup_processor)
22 * -Optionally, setup the High priority Interrupts as Level 2 IRQs
38 pr_info("Level-2 interrupts bitset %x\n", level_mask); in arc_init_IRQ()
41 * Disable all IRQ lines so faulty external hardware won't in arc_init_IRQ()
54 * ARC700 core includes a simple on-chip intc supporting
55 * -per IRQ enable/disable
[all …]
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| /kernel/linux/linux-5.10/arch/arc/mm/ |
| D | ioremap.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
31 end = paddr + size - 1; in ioremap()
48 * Cache semantics wise it is same as ioremap - "forced" uncached.
50 * ARC hardware uncached region, this one still goes thru the MMU as caller
63 end = paddr + size - 1; in ioremap_prot()
74 /* Mappings have to be page-aligned */ in ioremap_prot()
77 size = PAGE_ALIGN(end + 1) - paddr; in ioremap_prot()
85 area->phys_addr = paddr; in ioremap_prot()
86 vaddr = (unsigned long)area->addr; in ioremap_prot()
|
| /kernel/linux/linux-5.10/drivers/media/radio/ |
| D | radio-terratec.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 * 1999-05-21 First preview release
11 * Notes on the hardware:
13 * - Philips OM5610 (http://www-us.semiconductors.philips.com/acrobat/datasheets/OM5610_2.pdf)
14 * - Philips SAA6588 (http://www-us.semiconductors.philips.com/acrobat/datasheets/SAA6588_1.pdf)
17 * Frequency control is done digitally -- ie out(port,encodefreq(95.8));
20 * Converted to the radio-isa framework by Hans Verkuil <hans.verkuil@cisco.com>
31 #include <media/v4l2-device.h>
32 #include <media/v4l2-ioctl.h>
33 #include "radio-isa.h"
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| /kernel/linux/linux-6.6/drivers/media/radio/ |
| D | radio-terratec.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 * 1999-05-21 First preview release
11 * Notes on the hardware:
13 * - Philips OM5610 (http://www-us.semiconductors.philips.com/acrobat/datasheets/OM5610_2.pdf)
14 * - Philips SAA6588 (http://www-us.semiconductors.philips.com/acrobat/datasheets/SAA6588_1.pdf)
17 * Frequency control is done digitally -- ie out(port,encodefreq(95.8));
20 * Converted to the radio-isa framework by Hans Verkuil <hans.verkuil@cisco.com>
31 #include <media/v4l2-device.h>
32 #include <media/v4l2-ioctl.h>
33 #include "radio-isa.h"
[all …]
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| /kernel/linux/linux-5.10/drivers/net/wireless/intersil/prism54/ |
| D | isl_38xx.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
36 /* Hardware registers */
52 * isl38xx_w32_flush - PCI iomem write helper
130 __le16 flags; /* set of bit-wise flags */
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/spi/ |
| D | spi-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Brown <broonie@kernel.org>
20 pattern: "^spi(@.*|-([0-9]|[1-9][0-9]+))?$"
22 "#address-cells":
25 "#size-cells":
28 cs-gpios:
32 increased automatically with max(cs-gpios, hardware chip selects).
[all …]
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| /kernel/linux/linux-5.10/arch/arm/include/asm/ |
| D | pgtable-2level.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/include/asm/pgtable-2level.h
5 * Copyright (C) 1995-2002 Russell King
13 * Hardware-wise, we have a two level page table structure, where the first
15 * is one 32-bit word. Most of the bits in the second level entry are used
16 * by hardware, and there aren't any "accessed" and "dirty" bits.
19 * be wrapped to fit a two level page table structure easily - using the PGD
23 * Therefore, we tweak the implementation slightly - we tell Linux that we
25 * hardware pointers to the second level.) The second level contains two
26 * hardware PTE tables arranged contiguously, preceded by Linux versions
[all …]
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| /kernel/linux/linux-6.6/arch/arm/include/asm/ |
| D | pgtable-2level.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/include/asm/pgtable-2level.h
5 * Copyright (C) 1995-2002 Russell King
13 * Hardware-wise, we have a two level page table structure, where the first
15 * is one 32-bit word. Most of the bits in the second level entry are used
16 * by hardware, and there aren't any "accessed" and "dirty" bits.
19 * be wrapped to fit a two level page table structure easily - using the PGD
23 * Therefore, we tweak the implementation slightly - we tell Linux that we
25 * hardware pointers to the second level.) The second level contains two
26 * hardware PTE tables arranged contiguously, preceded by Linux versions
[all …]
|
| /kernel/linux/linux-5.10/Documentation/usb/ |
| D | usb-serial.rst | 45 --------------------------------------
58 -----------------------------------------------
72 This goes against the current documentation for pilot-xfer and other
73 packages, but is the only way that it will work due to the hardware
77 (this is usually /dev/ttyUSB1 if you do not have any other usb-serial
99 Kroah-Hartman at greg@kroah.com
103 -------------------
115 significant advantage of using USB is speed - I can get 73 to 113
120 contains the necessary packages and a simple step-by-step howto.
129 iPAQ - disable autosync by going to the Start/Settings/Connections menu
[all …]
|
| /kernel/linux/linux-6.6/Documentation/usb/ |
| D | usb-serial.rst | 45 --------------------------------------
58 -----------------------------------------------
72 This goes against the current documentation for pilot-xfer and other
73 packages, but is the only way that it will work due to the hardware
77 (this is usually /dev/ttyUSB1 if you do not have any other usb-serial
99 Kroah-Hartman at greg@kroah.com
103 -------------------
115 significant advantage of using USB is speed - I can get 73 to 113
120 contains the necessary packages and a simple step-by-step howto.
129 iPAQ - disable autosync by going to the Start/Settings/Connections menu
[all …]
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| /kernel/linux/linux-6.6/include/drm/ |
| D | drm_mipi_dbi.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
22 * struct mipi_dbi - MIPI DBI interface
64 * @tx_buf9: Buffer used for Option 1 9-bit conversion
75 * struct mipi_dbi_dev - MIPI DBI device
104 * @rotation: initial rotation in degrees Counter Clock Wise
198 * mipi_dbi_command - MIPI DCS command with optional parameter(s)
212 struct device *dev = &(dbi)->spi->dev; \
227 * DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS - Initializes struct drm_simple_display_pipe_funcs
228 * for MIPI-DBI devices
229 * @enable_: Enable-callback implementation
[all …]
|
| D | gpu_scheduler.h | 28 #include <linux/dma-fence.h>
36 * DRM_SCHED_FENCE_DONT_PIPELINE - Prefent dependency pipelining
45 * DRM_SCHED_FENCE_FLAG_HAS_DEADLINE_BIT - A fence deadline hint has been set
81 * struct drm_sched_entity - A wrapper around a job queue (typically
84 * Entities will emit jobs in order to their corresponding hardware
244 * struct drm_sched_rq - queue of entities to be scheduled.
265 * struct drm_sched_fence - fences corresponding to the scheduling of a job.
294 * when scheduling the job on hardware. We signal the
316 * struct drm_sched_job - A job to be run by an entity.
379 return s_job && atomic_inc_return(&s_job->karma) > threshold; in drm_sched_invalidate_job()
[all …]
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| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | unaligned-memory-access.rst | 32 which will compile to multiple-byte memory access instructions, namely when
59 - Some architectures are able to perform unaligned memory accesses
61 - Some architectures raise processor exceptions when unaligned accesses
64 - Some architectures raise processor exceptions when unaligned accesses
67 - Some architectures are not capable of unaligned memory access, but will
131 structure type. This GCC-specific attribute tells the compiler never to
141 non-packed case, so the packed attribute should only be used when avoiding
167 In the above function, when the hardware has efficient unaligned access
168 capability, there is no issue with this code. But when the hardware isn't
177 16-bit-aligned addresses. It is up to the caller to ensure this alignment or
[all …]
|
| /kernel/linux/linux-6.6/Documentation/core-api/ |
| D | unaligned-memory-access.rst | 32 which will compile to multiple-byte memory access instructions, namely when
59 - Some architectures are able to perform unaligned memory accesses
61 - Some architectures raise processor exceptions when unaligned accesses
64 - Some architectures raise processor exceptions when unaligned accesses
67 - Some architectures are not capable of unaligned memory access, but will
131 structure type. This GCC-specific attribute tells the compiler never to
141 non-packed case, so the packed attribute should only be used when avoiding
167 In the above function, when the hardware has efficient unaligned access
168 capability, there is no issue with this code. But when the hardware isn't
177 16-bit-aligned addresses. It is up to the caller to ensure this alignment or
[all …]
|
| /kernel/linux/linux-5.10/include/drm/ |
| D | gpu_scheduler.h | 28 #include <linux/dma-fence.h>
46 DRM_SCHED_PRIORITY_UNSET = -2
50 * struct drm_sched_entity - A wrapper around a job queue (typically
80 * Entities will emit jobs in order to their corresponding hardware
107 * struct drm_sched_rq - queue of entities to be scheduled.
126 * struct drm_sched_fence - fences corresponding to the scheduling of a job.
149 * when scheduling the job on hardware. We signal the
171 * struct drm_sched_job - A job to be run by an entity.
206 return (s_job && atomic_inc_return(&s_job->karma) > threshold); in drm_sched_invalidate_job()
249 * @hw_submission_limit: the max size of the hardware queue.
[all …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/ |
| D | libata.rst | 12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
16 internals, and a couple sample ATA low-level drivers.
22 is defined for every low-level libata
23 hardware driver, and it controls how the low-level driver interfaces
26 FIS-based drivers will hook into the system with ``->qc_prep()`` and
27 ``->qc_issue()`` high-level hooks. Hardware which behaves in a manner
28 similar to PCI IDE hardware may utilize several generic helpers,
33 ----------------------------------------------------------
51 Post-IDENTIFY device configuration
60 Typically used to apply device-specific fixups prior to issue of SET
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | libata.rst | 12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
16 internals, and a couple sample ATA low-level drivers.
22 is defined for every low-level libata
23 hardware driver, and it controls how the low-level driver interfaces
26 FIS-based drivers will hook into the system with ``->qc_prep()`` and
27 ``->qc_issue()`` high-level hooks. Hardware which behaves in a manner
28 similar to PCI IDE hardware may utilize several generic helpers,
33 ----------------------------------------------------------
35 Post-IDENTIFY device configuration
44 Typically used to apply device-specific fixups prior to issue of SET
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/media/ |
| D | cec.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 Supported hardware in mainline
12 - Exynos4
13 - Exynos5
14 - STIH4xx HDMI CEC
15 - V4L2 adv7511 (same HW, but a different driver from the drm adv7511)
16 - stm32
17 - Allwinner A10 (sun4i)
18 - Raspberry Pi
19 - dw-hdmi (Synopsis IP)
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/ |
| D | reporting-issues.rst | 1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
36 ensure it's vanilla (IOW: not patched and not using add-on modules). Also make
44 to pin-point the culprit with a bisection; if you succeed, include its
45 commit-id and CC everyone in the sign-off-by chain.
51 Step-by-step guide how to report issues to the kernel maintainers
58 step-by-step approach. It still tries to be brief for readability and leaves
59 out a lot of details; those are described below the step-by-step guide in a
68 * Are you facing an issue with a Linux kernel a hardware or software vendor
89 kernel modules on-the-fly, which solutions like DKMS might be doing locally
169 --------------------------------------------------------------
[all …]
|