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/linux-6.14.4/Documentation/devicetree/bindings/iio/dac/
Dadi,ad9739a.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dragos Bogdan <[email protected]>
11 - Nuno Sa <[email protected]>
14 The AD9739A is a 14-bit, 2.5 GSPS high performance RF DACs that are capable
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad9737a_9739a.pdf
22 - adi,ad9739a
30 reset-gpios:
36 vdd-3p3-supply:
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Dadi,axi-dac.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/dac/adi,axi-dac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sa <[email protected]>
18 to the data-lines of the DAC and handle the streaming of data from
22 https://analogdevicesinc.github.io/hdl/library/axi_ad3552r/index.html
27 - adi,axi-dac-9.1.b
28 - adi,axi-ad3552r
36 dma-names:
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Dadi,ad3552r.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Nuno Sá <[email protected]>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3541r.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3542r.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3551r.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ad3552r.pdf
24 - adi,ad3541r
25 - adi,ad3542r
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/linux-6.14.4/Documentation/devicetree/bindings/iio/adc/
Dadi,ad7625.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <[email protected]>
11 - Nuno Sá <[email protected]>
24 - adi,ad7625
25 - adi,ad7626
26 - adi,ad7960
27 - adi,ad7961
29 vdd1-supply: true
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Dst,stm32-dfsdm-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-dfsdm-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Fabrice Gasnier <[email protected]>
11 - Olivier Moysan <[email protected]>
14 STM32 DFSDM ADC is a sigma delta analog-to-digital converter dedicated to
17 - Sigma delta modulators (motor control, metering...)
18 - PDM microphones (audio digital microphone)
28 - st,stm32h7-dfsdm
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Dadi,ad9467.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD9467 and similar High-Speed ADCs
10 - Michael Hennerich <[email protected]>
13 The AD9467 and the parts similar with it, are high-speed analog-to-digital
18 All the parts support the register map described by Application Note AN-877
19 https://www.analog.com/media/en/technical-documentation/application-notes/AN-877.pdf
21 https://www.analog.com/media/en/technical-documentation/data-sheets/AD9265.pdf
22 https://www.analog.com/media/en/technical-documentation/data-sheets/AD9434.pdf
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Dadi,ad7606.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <[email protected]>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7605-4.pdf
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7606B.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606c-16.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606c-18.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7607.pdf
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/linux-6.14.4/drivers/iio/
Dindustrialio-backend.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * device which will callback into the backends when needed (to get/set some
11 * -------------------------------------------------------
12 * ------------------ | ------------ ------------ ------- FPGA|
13 * | ADC |------------------------| | ADC CORE |---------| DMA CORE |------| RAM | |
14 * | (Frontend/IIO) | Serial Data (eg: LVDS) | |(backend) |---------| |------| | |
15 * | |------------------------| ------------ ------------ ------- |
16 * ------------------ -------------------------------------------------------
19 * - Backends should register themselves with devm_iio_backend_register()
20 * - Frontend devices should get backends with devm_iio_backend_get()
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/linux-6.14.4/drivers/gpu/drm/i915/
Dintel_region_ttm.c1 // SPDX-License-Identifier: MIT
26 * intel_region_ttm_device_init - Initialize a TTM device
33 struct drm_device *drm = &dev_priv->drm; in intel_region_ttm_device_init()
35 return ttm_device_init(&dev_priv->bdev, i915_ttm_driver(), in intel_region_ttm_device_init()
36 drm->dev, drm->anon_inode->i_mapping, in intel_region_ttm_device_init()
37 drm->vma_offset_manager, false, false); in intel_region_ttm_device_init()
41 * intel_region_ttm_device_fini - Finalize a TTM device
46 ttm_device_fini(&dev_priv->bdev); in intel_region_ttm_device_fini()
51 * driver-private types for now, reserving TTM_PL_VRAM for stolen
58 GEM_BUG_ON(mem->type != INTEL_MEMORY_LOCAL && in intel_region_to_ttm_type()
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/linux-6.14.4/Documentation/iio/
Dad7606.rst1 .. SPDX-License-Identifier: GPL-2.0-only
24 ----------------
30 --------------------
34 platform in the device tree (with no io-backends node defined, see below).
36 IIO-backend mode
37 ----------------
41 The backend mode is enabled when through the definition of the "io-backends"
44 The reference configuration for the current implementation of IIO-backend mode
46 https://wiki.analog.com/resources/eval/user-guides/ad7606x-fmc/hdl
48 This implementation embeds an IIO-backend compatible IP (adi-axi-adc) and a PWM
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/linux-6.14.4/drivers/block/drbd/
Ddrbd_protocol.h1 /* SPDX-License-Identifier: GPL-2.0-only */
33 P_SUPERSEDED = 0x18, /* Used in proto C, two-primaries conflict detection */
74 P_ZEROES = 0x36, /* data sock: zero-out, WRITE_ZEROES */
154 u32 size; /* == bio->bi_size */
159 u32 size; /* == bio->bi_size */
166 * P_SUPERSEDED (proto C, two-primaries conflict detection)
196 /* Detect all-zeros during resync, and rather TRIM/UNMAP/DISCARD those blocks
203 * - indicates support for 128 MiB "batch bios",
206 * - indicates that we exchange additional settings in p_sizes
215 * back to zero-out.
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/linux-6.14.4/Documentation/block/
Dublk.rst1 .. SPDX-License-Identifier: GPL-2.0
13 new virtual block device such as ublk-qcow2 (there are several attempts of
18 - They can be written many programming languages.
19 - They can use libraries that are not available in the kernel.
20 - They can be debugged with tools familiar to application developers.
21 - Crashes do not kernel panic the machine.
22 - Bugs are likely to have a lower security impact than bugs in kernel
24 - They can be installed and updated independently of the kernel.
25 - They can be used to simulate block device easily with user specified
28 ublk block device (``/dev/ublkb*``) is added by ublk driver. Any IO request
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/linux-6.14.4/drivers/iio/adc/
Dad7606_par.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 2011 - 2024 Analog Devices Inc.
11 #include <linux/io.h>
39 for (c = 0; c < indio_dev->num_channels; c++) { in ad7606_bi_update_scan_mode()
41 ret = iio_backend_chan_enable(st->back, c); in ad7606_bi_update_scan_mode()
43 ret = iio_backend_chan_disable(st->back, c); in ad7606_bi_update_scan_mode()
60 st->back = devm_iio_backend_get(dev, NULL); in ad7606_bi_setup_iio_backend()
61 if (IS_ERR(st->back)) in ad7606_bi_setup_iio_backend()
62 return PTR_ERR(st->back); in ad7606_bi_setup_iio_backend()
65 if (!st->cnvst_pwm) in ad7606_bi_setup_iio_backend()
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Dad9467.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2012-2020 Analog Devices Inc.
32 * ADI High-Speed ADC common spi interface registers
33 * See Application-Note AN-877:
34 * https://www.analog.com/media/en/technical-documentation/application-notes/AN-877.pdf
85 * Analog Devices AD9265 16-Bit, 125/105/80 MSPS ADC
93 * Analog Devices AD9434 12-Bit, 370/500 MSPS ADC
101 * Analog Devices AD9467 16-Bit, 200/250 MSPS ADC
109 * Analog Devices AD9643 14-Bit, 170/210/250 MSPS ADC
116 * Analog Devices AD9652 16-bit 310 MSPS ADC
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/linux-6.14.4/tools/testing/selftests/powerpc/eeh/
Deeh-functions.sh2 # SPDX-License-Identifier: GPL-2.0-only
15 # device is recovered by removing and re-probing it. This causes the
19 if [ -z "$eeh_state" ]; then
23 local fw_state="$(echo $eeh_state | cut -d' ' -f1)"
24 local sw_state="$(echo $eeh_state | cut -d' ' -f2)"
28 if [ "$((sw_state & 0x3))" -ne 0 ] ; then
34 # the platform backends set these when the PE is in reset. The
36 if [ "$((fw_state & 0x18))" -ne "$((0x18))" ] ; then
44 test -e /proc/powerpc/eeh && \
45 grep -q 'EEH Subsystem is enabled' /proc/powerpc/eeh
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/linux-6.14.4/drivers/gpu/drm/sun4i/
Dsun4i_tcon.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
11 #include <linux/media-bus-format.h>
48 drm_connector_list_iter_begin(encoder->dev, &iter); in sun4i_tcon_get_connector()
50 if (connector->encoder == encoder) { in sun4i_tcon_get_connector()
66 return -EINVAL; in sun4i_tcon_get_pixel_depth()
68 info = &connector->display_info; in sun4i_tcon_get_pixel_depth()
69 if (info->num_bus_formats != 1) in sun4i_tcon_get_pixel_depth()
70 return -EINVAL; in sun4i_tcon_get_pixel_depth()
72 switch (info->bus_formats[0]) { in sun4i_tcon_get_pixel_depth()
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/linux-6.14.4/drivers/platform/x86/dell/
Ddell-smbios-base.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * Copyright (C) 2005-2014 Dell Inc.
23 #include "dell-smbios.h"
76 {0x0000, 19, -1}, /* diagnostics */
77 /* handled by kernel: dell-laptop */
122 /* handled by kernel: dell-laptop */
138 case -1: /* Completed with error */ in dell_smbios_error()
139 return -EIO; in dell_smbios_error()
140 case -2: /* Function not supported */ in dell_smbios_error()
141 return -ENXIO; in dell_smbios_error()
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/linux-6.14.4/include/xen/interface/io/
Dblkif.h1 /* SPDX-License-Identifier: MIT */
5 * Unified block-device I/O interface for Xen guest OSes.
7 * Copyright (c) 2003-2004, Keir Fraser
13 #include <xen/interface/io/ring.h>
17 * Front->back notifications: When enqueuing a new request, sending a
19 * hold-off mechanism provided by the ring macros). Backends must set
22 * Back->front notifications: When enqueuing a new response, sending a
24 * hold-off mechanism provided by the ring macros). Frontends must set
33 * If supported, the backend will write the key "multi-queue-max-queues" to
37 * key "multi-queue-num-queues" with the number they wish to use, which must be
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/linux-6.14.4/drivers/gpu/drm/ttm/
Dttm_resource.c26 #include <linux/io-mapping.h>
27 #include <linux/iosys-map.h>
42 lockdep_assert_held(&cursor->man->bdev->lru_lock); in ttm_resource_cursor_clear_bulk()
44 cursor->bulk = NULL; in ttm_resource_cursor_clear_bulk()
45 list_del_init(&cursor->bulk_link); in ttm_resource_cursor_clear_bulk()
54 lockdep_assert_held(&cursor->man->bdev->lru_lock); in ttm_resource_cursor_move_bulk_tail()
56 if (WARN_ON_ONCE(bulk != cursor->bulk)) { in ttm_resource_cursor_move_bulk_tail()
57 list_del_init(&cursor->bulk_link); in ttm_resource_cursor_move_bulk_tail()
61 pos = &bulk->pos[cursor->mem_type][cursor->priority]; in ttm_resource_cursor_move_bulk_tail()
62 if (pos->last) in ttm_resource_cursor_move_bulk_tail()
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/linux-6.14.4/Documentation/filesystems/caching/
Dfscache.rst1 .. SPDX-License-Identifier: GPL-2.0
13 FS-Cache mediates between cache backends (such as CacheFiles) and network
16 +---------+
17 | | +--------------+
18 | NFS |--+ | |
19 | | | +-->| CacheFS |
20 +---------+ | +----------+ | | /dev/hda5 |
21 | | | | +--------------+
22 +---------+ +-------------->| | |
23 | | +-------+ | |--+
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/linux-6.14.4/drivers/of/
Dproperty.c1 // SPDX-License-Identifier: GPL-2.0+
3 * drivers/of/property.c - Procedures for accessing and interpreting
11 * Copyright (C) 1996-2005 Paul Mackerras.
35 * of_property_read_bool - Find a property
39 * Search for a boolean property in a device node. Usage on non-boolean
53 if (prop && prop->length) in of_property_read_bool()
61 * of_graph_is_present() - check graph's presence
64 * Return: True if @node has a port or ports (with a port) sub-node,
81 * of_property_count_elems_of_size - Count the number of elements in a property
90 * Return: The number of elements on sucess, -EINVAL if the property does not
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/linux-6.14.4/drivers/tty/hvc/
Dhvc_console.c1 // SPDX-License-Identifier: GPL-2.0+
47 * future to better deal with backends that want other buffer sizes.
61 static atomic_t hvc_needs_init __read_mostly = ATOMIC_INIT(-1);
79 * This value is used to assign a tty->index value to a hvc_struct based
83 static int last_hvc = -1;
98 spin_lock_irqsave(&hp->lock, flags); in hvc_get_by_index()
99 if (hp->index == index) { in hvc_get_by_index()
100 tty_port_get(&hp->port); in hvc_get_by_index()
101 spin_unlock_irqrestore(&hp->lock, flags); in hvc_get_by_index()
105 spin_unlock_irqrestore(&hp->lock, flags); in hvc_get_by_index()
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/linux-6.14.4/drivers/s390/char/
Dtape_core.c1 // SPDX-License-Identifier: GPL-2.0
9 * Tuan Ngo-Anh <[email protected]>
84 return dev_id->devno + (dev_id->ssid << 16); in devid_to_int()
99 return sysfs_emit(buf, "%i\n", tdev->medium_state); in tape_medium_state_show()
111 return sysfs_emit(buf, "%i\n", tdev->first_minor); in tape_first_minor_show()
123 return sysfs_emit(buf, "%s\n", (tdev->first_minor < 0) ? in tape_state_show()
124 "OFFLINE" : tape_state_verbose[tdev->tape_state]); in tape_state_show()
137 if (tdev->first_minor < 0) in tape_operation_show()
140 spin_lock_irq(get_ccwdev_lock(tdev->cdev)); in tape_operation_show()
141 if (list_empty(&tdev->req_queue)) in tape_operation_show()
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/linux-6.14.4/drivers/target/
Dtarget_core_transport.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * (c) Copyright 2002-2013 Datera, Inc.
159 return -ENOMEM; in init_se_kmem_caches()
228 wake_up(&cmd_cnt->refcnt_wq); in target_release_cmd_refcnt()
240 init_completion(&cmd_cnt->stop_done); in target_alloc_cmd_counter()
241 init_waitqueue_head(&cmd_cnt->refcnt_wq); in target_alloc_cmd_counter()
242 atomic_set(&cmd_cnt->stopped, 0); in target_alloc_cmd_counter()
244 rc = percpu_ref_init(&cmd_cnt->refcnt, target_release_cmd_refcnt, 0, in target_alloc_cmd_counter()
263 if (!atomic_read(&cmd_cnt->stopped)) in target_free_cmd_counter()
264 percpu_ref_put(&cmd_cnt->refcnt); in target_free_cmd_counter()
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/linux-6.14.4/drivers/block/
Dxen-blkfront.c6 * Copyright (c) 2003-2004, Keir Fraser & Steve Hand
40 #include <linux/blk-mq.h>
61 #include <xen/interface/io/blkif.h>
62 #include <xen/interface/io/protocols.h>
160 __CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * (info)->nr_ring_pages)
163 * ring-ref%u i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19
168 * queue-%u would take 7 + 10(UINT_MAX) = 17 characters.
173 * Per-ring info.
196 * putting all kinds of interesting stuff here :-)
216 /* Connect-time cached feature_persistent parameter */
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