| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/iio/adc/ |
| D | adi,ad7124.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Stefan Popa <stefan.popa@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf
21 - adi,ad7124-4
22 - adi,ad7124-8
32 clock-names:
34 - const: mclk
40 '#address-cells':
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| /kernel/linux/linux-5.10/drivers/iio/pressure/ |
| D | zpa2326.c | 1 // SPDX-License-Identifier: GPL-2.0-only
34 * - get device out of low power mode,
35 * - setup hardware sampling period,
36 * - at end of period, upon data ready interrupt: pop pressure samples out of
38 * - when no longer needed, stop sampling process by putting device into
70 /* 200 ms should be enough for the longest conversion time in one-shot mode. */
78 * struct zpa2326_frequency - Hardware sampling frequency descriptor
102 ARRAY_SIZE(zpa2326_sampling_frequencies) - 1]; in zpa2326_highest_frequency()
106 * struct zpa_private - Per-device internal private state
107 * @timestamp: Buffered samples ready datum.
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| /kernel/linux/linux-4.19/drivers/iio/pressure/ |
| D | zpa2326.c | 42 * - get device out of low power mode,
43 * - setup hardware sampling period,
44 * - at end of period, upon data ready interrupt: pop pressure samples out of
46 * - when no longer needed, stop sampling process by putting device into
77 /* 200 ms should be enough for the longest conversion time in one-shot mode. */
85 * struct zpa2326_frequency - Hardware sampling frequency descriptor
109 ARRAY_SIZE(zpa2326_sampling_frequencies) - 1]; in zpa2326_highest_frequency()
113 * struct zpa_private - Per-device internal private state
114 * @timestamp: Buffered samples ready datum.
124 * @irq: Optional interrupt line: negative or zero if not declared into
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| /kernel/linux/linux-4.19/drivers/gpu/drm/i915/ |
| D | i915_perf.c | 2 * Copyright © 2015-2016 Intel Corporation
39 * The interface is particularly suited to exposing buffered metrics that are
44 * without special privileges. Access to system-wide metrics requires root
58 * might sample sets of tightly-coupled counters, depending on the
70 * interleaved with event-type specific members.
76 * would be acceptable to expose them to unprivileged applications - to hide
96 * side-band OA data captured via MI_REPORT_PERF_COUNT commands; we're
102 * For posterity, in case we might re-visit trying to adapt core perf to be
106 * - The perf based OA PMU driver broke some significant design assumptions:
110 * implications, the need to fake cpu-related data (such as user/kernel
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| /kernel/linux/linux-4.19/Documentation/media/uapi/v4l/ |
| D | vidioc-decoder-cmd.rst | 1 .. -*- coding: utf-8; mode: rst -*-
12 VIDIOC_DECODER_CMD - VIDIOC_TRY_DECODER_CMD - Execute an decoder command
30 File descriptor returned by :ref:`open() <func-open>`.
39 These ioctls control an audio/video (usually MPEG-) decoder.
50 A :ref:`write() <func-write>` or :ref:`VIDIOC_STREAMON`
54 A :ref:`close() <func-close>` or :ref:`VIDIOC_STREAMOFF <VIDIOC_STREAMON>`
56 command to the decoder, and all buffered data is discarded.
68 .. flat-table:: struct v4l2_decoder_cmd
69 :header-rows: 0
70 :stub-columns: 0
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| /kernel/linux/linux-5.10/net/batman-adv/ |
| D | fragmentation.c | 1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2013-2020 B.A.T.M.A.N. contributors:
26 #include "hard-interface.h"
30 #include "soft-interface.h"
33 * batadv_frag_clear_chain() - delete entries in the fragment buffer chain
45 hlist_del(&entry->list); in batadv_frag_clear_chain()
48 kfree_skb(entry->skb); in batadv_frag_clear_chain()
50 consume_skb(entry->skb); in batadv_frag_clear_chain()
57 * batadv_frag_purge_orig() - free fragments associated to an orig
68 chain = &orig_node->fragments[i]; in batadv_frag_purge_orig()
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| /kernel/linux/linux-4.19/net/batman-adv/ |
| D | fragmentation.c | 1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
38 #include "hard-interface.h"
42 #include "soft-interface.h"
45 * batadv_frag_clear_chain() - delete entries in the fragment buffer chain
57 hlist_del(&entry->list); in batadv_frag_clear_chain()
60 kfree_skb(entry->skb); in batadv_frag_clear_chain()
62 consume_skb(entry->skb); in batadv_frag_clear_chain()
69 * batadv_frag_purge_orig() - free fragments associated to an orig
80 chain = &orig_node->fragments[i]; in batadv_frag_purge_orig()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/ |
| D | i915_perf.c | 2 * Copyright © 2015-2016 Intel Corporation
39 * The interface is particularly suited to exposing buffered metrics that are
44 * without special privileges. Access to system-wide metrics requires root
58 * might sample sets of tightly-coupled counters, depending on the
70 * interleaved with event-type specific members.
76 * would be acceptable to expose them to unprivileged applications - to hide
96 * side-band OA data captured via MI_REPORT_PERF_COUNT commands; we're
102 * For posterity, in case we might re-visit trying to adapt core perf to be
106 * - The perf based OA PMU driver broke some significant design assumptions:
110 * implications, the need to fake cpu-related data (such as user/kernel
[all …]
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| /kernel/linux/linux-5.10/drivers/usb/serial/ |
| D | generic.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2010 - 2013 Johan Hovold (jhovold@gmail.com)
6 * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
40 struct device *dev = &serial->interface->dev; in usb_serial_generic_probe()
42 dev_info(dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); in usb_serial_generic_probe()
43 dev_info(dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); in usb_serial_generic_probe()
51 struct device *dev = &serial->interface->dev; in usb_serial_generic_calc_num_ports()
54 num_ports = max(epds->num_bulk_in, epds->num_bulk_out); in usb_serial_generic_calc_num_ports()
58 return -ENODEV; in usb_serial_generic_calc_num_ports()
110 clear_bit(USB_SERIAL_THROTTLED, &port->flags); in usb_serial_generic_open()
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| D | digi_acceleport.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Digi AccelePort USB-4 and USB-2 Serial Converters
7 * Shamelessly based on Brian Warner's keyspan_pda.c and Greg Kroah-Hartman's
8 * usb-serial driver.
31 #define DRIVER_DESC "Digi AccelePort USB-2/USB-4 Serial Converter driver"
33 /* port output buffer length -- must be <= transfer buffer length - 2 */
37 /* port input buffer length -- must be >= transfer buffer length - 3 */
54 #define DIGI_2_ID 0x0002 /* USB-2 */
55 #define DIGI_4_ID 0x0004 /* USB-4 */
58 * "INB": can be used on the in-band endpoint
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| /kernel/linux/linux-4.19/include/net/ |
| D | mac80211.h | 2 * mac80211 <-> driver interface
4 * Copyright 2002-2005, Devicescape Software, Inc.
5 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
6 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
7 * Copyright 2013-2014 Intel Mobile Communications GmbH
8 * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
33 * only partial functionality in hard- or firmware. This document
34 * defines the interface between mac80211 and low-level hardware
42 * called in hardware interrupt context. The low-level driver must not call any
44 * call, the low-level driver should first ACK the interrupt and perform the
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| /kernel/linux/linux-5.10/include/net/ |
| D | mac80211.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * mac80211 <-> driver interface
5 * Copyright 2002-2005, Devicescape Software, Inc.
6 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
7 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright 2013-2014 Intel Mobile Communications GmbH
9 * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
10 * Copyright (C) 2018 - 2020 Intel Corporation
30 * only partial functionality in hard- or firmware. This document
31 * defines the interface between mac80211 and low-level hardware
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| /kernel/linux/linux-5.10/block/ |
| D | blk-wbt.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * buffered writeback throttling. loosely based on CoDel. We can't drop
6 * - Monitor latencies in a defined window of time.
7 * - If the minimum latency in the above window exceeds some target, increment
10 * - For any window where we don't have solid data on what the latencies
12 * - If latencies look good, decrement scaling step.
13 * - If we're only doing writes, allow the scaling step to go negative. This
16 * positive scaling steps where we shrink the monitoring window, a negative
25 #include <linux/backing-dev.h>
28 #include "blk-wbt.h"
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| /kernel/linux/linux-4.19/block/ |
| D | blk-wbt.c | 2 * buffered writeback throttling. loosely based on CoDel. We can't drop
5 * - Monitor latencies in a defined window of time.
6 * - If the minimum latency in the above window exceeds some target, increment
9 * - For any window where we don't have solid data on what the latencies
11 * - If latencies look good, decrement scaling step.
12 * - If we're only doing writes, allow the scaling step to go negative. This
15 * positive scaling steps where we shrink the monitoring window, a negative
24 #include <linux/backing-dev.h>
27 #include "blk-wbt.h"
28 #include "blk-rq-qos.h"
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| /kernel/linux/linux-4.19/drivers/usb/serial/ |
| D | generic.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2010 - 2013 Johan Hovold (jhovold@gmail.com)
6 * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
40 struct device *dev = &serial->interface->dev; in usb_serial_generic_probe()
42 dev_info(dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); in usb_serial_generic_probe()
43 dev_info(dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); in usb_serial_generic_probe()
51 struct device *dev = &serial->interface->dev; in usb_serial_generic_calc_num_ports()
54 num_ports = max(epds->num_bulk_in, epds->num_bulk_out); in usb_serial_generic_calc_num_ports()
58 return -ENODEV; in usb_serial_generic_calc_num_ports()
111 spin_lock_irqsave(&port->lock, flags); in usb_serial_generic_open()
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| D | digi_acceleport.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Digi AccelePort USB-4 and USB-2 Serial Converters
7 * Shamelessly based on Brian Warner's keyspan_pda.c and Greg Kroah-Hartman's
8 * usb-serial driver.
32 #define DRIVER_DESC "Digi AccelePort USB-2/USB-4 Serial Converter driver"
34 /* port output buffer length -- must be <= transfer buffer length - 2 */
38 /* port input buffer length -- must be >= transfer buffer length - 3 */
55 #define DIGI_2_ID 0x0002 /* USB-2 */
56 #define DIGI_4_ID 0x0004 /* USB-4 */
59 * "INB": can be used on the in-band endpoint
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| /kernel/linux/linux-4.19/drivers/mailbox/ |
| D | mailbox.c | 4 * Copyright (C) 2013-2014 Linaro Ltd.
34 spin_lock_irqsave(&chan->lock, flags); in add_to_rbuf()
37 if (chan->msg_count == MBOX_TX_QUEUE_LEN) { in add_to_rbuf()
38 spin_unlock_irqrestore(&chan->lock, flags); in add_to_rbuf()
39 return -ENOBUFS; in add_to_rbuf()
42 idx = chan->msg_free; in add_to_rbuf()
43 chan->msg_data[idx] = mssg; in add_to_rbuf()
44 chan->msg_count++; in add_to_rbuf()
46 if (idx == MBOX_TX_QUEUE_LEN - 1) in add_to_rbuf()
47 chan->msg_free = 0; in add_to_rbuf()
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/v4l/ |
| D | vidioc-decoder-cmd.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_DECODER_CMD - VIDIOC_TRY_DECODER_CMD - Execute an decoder command
38 These ioctls control an audio/video (usually MPEG-) decoder.
55 command to the decoder, and all buffered data is discarded. Applies to both
68 .. flat-table:: struct v4l2_decoder_cmd
69 :header-rows: 0
70 :stub-columns: 0
73 * - __u32
74 - ``cmd``
75 -
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| /kernel/linux/linux-5.10/drivers/mailbox/ |
| D | mailbox.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2013-2014 Linaro Ltd.
31 spin_lock_irqsave(&chan->lock, flags); in add_to_rbuf()
34 if (chan->msg_count == MBOX_TX_QUEUE_LEN) { in add_to_rbuf()
35 spin_unlock_irqrestore(&chan->lock, flags); in add_to_rbuf()
36 return -ENOBUFS; in add_to_rbuf()
39 idx = chan->msg_free; in add_to_rbuf()
40 chan->msg_data[idx] = mssg; in add_to_rbuf()
41 chan->msg_count++; in add_to_rbuf()
43 if (idx == MBOX_TX_QUEUE_LEN - 1) in add_to_rbuf()
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| /kernel/linux/linux-5.10/drivers/tty/serdev/ |
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring <robh@kernel.org>
6 * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
31 len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); in modalias_show()
32 if (len != -ENODEV) in modalias_show()
52 if (rc != -ENODEV) in serdev_device_uevent()
72 return dev->type == &serdev_device_type; in is_serdev_device()
78 ida_simple_remove(&ctrl_ida, ctrl->nr); in serdev_ctrl_release()
99 * serdev_device_add() - add a device previously constructed via serdev_device_alloc()
104 struct serdev_controller *ctrl = serdev->ctrl; in serdev_device_add()
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| /kernel/linux/linux-4.19/Documentation/scsi/ |
| D | st.txt | 16 flexible method and applicable to single-user workstations. However,
25 drive performs auto-detection of the tape format well (like some
26 QIC-drives). The result is that any tape can be read, writing can be
30 does not perform auto-detection well enough and there is a single
33 or not :-).
49 users (buffered and asynchronous writes). The modes also allow choices
50 between formats in multi-tape operations (the explicitly overridden
65 limits). Both the auto-rewind (minor equals device number) and
66 non-rewind devices (minor is 128 + device number) are implemented.
120 dev_upper non-rew mode dev-lower
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| /kernel/linux/linux-5.10/mm/ |
| D | filemap.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1994-1999 Linus Torvalds
28 #include <linux/error-injection.h>
31 #include <linux/backing-dev.h>
63 * finished 'unifying' the page and buffer cache and SMP-threaded the
64 * page-cache, 21.05.1999, Ingo Molnar <mingo@redhat.com>
66 * SMP-threaded pagemap-LRU 1999, Andrea Arcangeli <andrea@suse.de>
72 * ->i_mmap_rwsem (truncate_pagecache)
73 * ->private_lock (__free_pte->__set_page_dirty_buffers)
74 * ->swap_lock (exclusive_swap_page, others)
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| /kernel/linux/linux-5.10/Documentation/scsi/ |
| D | st.rst | 1 .. SPDX-License-Identifier: GPL-2.0
23 flexible method and applicable to single-user workstations. However,
32 drive performs auto-detection of the tape format well (like some
33 QIC-drives). The result is that any tape can be read, writing can be
37 does not perform auto-detection well enough and there is a single
40 or not :-).
56 users (buffered and asynchronous writes). The modes also allow choices
57 between formats in multi-tape operations (the explicitly overridden
72 limits). Both the auto-rewind (minor equals device number) and
73 non-rewind devices (minor is 128 + device number) are implemented.
[all …]
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| /kernel/linux/linux-5.10/include/linux/ |
| D | hid.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * Copyright (c) 2006-2007 Jiri Kosina
10 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
32 * values are expanded to 32-bit signed int, long items contain a pointer
183 * System Multi-Axis, see:
184 …* http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Control…
304 * HID report types --- Ouch! HID spec says 1 2 3!
387 * persistent for main-items. The global environment can be saved and
405 * This is the local environment. It is persistent up the next main-item.
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| /kernel/linux/linux-4.19/include/linux/ |
| D | hid.h | 3 * Copyright (c) 2000-2001 Vojtech Pavlik
4 * Copyright (c) 2006-2007 Jiri Kosina
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
44 * values are expanded to 32-bit signed int, long items contain a pointer
194 * System Multi-Axis, see:
195 …* http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Control…
310 * HID report types --- Ouch! HID spec says 1 2 3!
391 * persistent for main-items. The global environment can be saved and
409 * This is the local environment. It is persistent up the next main-item.
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