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/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad7124.yaml1 # 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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H A Dadi,ad4130.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Cosmin Tanislav <cosmin.tanislav@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4130-8.pdf
20 - adi,ad4130
29 clock-names:
31 - const: mclk
36 interrupt-names:
42 - int
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H A Dadi,max11410.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
21 - adi,max11410
30 interrupt-names:
34 - enum: [gpio0, gpio1]
35 - const: gpio1
37 '#address-cells':
40 '#size-cells':
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/openbmc/linux/tools/include/nolibc/
H A Dstdio.h1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
4 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
21 #define EOF (-1)
25 #define _IOFBF 0 /* Fully buffered. */
26 #define _IOLBF 1 /* Line buffered. */
29 /* just define FILE as a non-empty type. The value of the pointer gives
30 * the FD: FILE=~fd for fd>=0 or NULL for fd<0. This way positive FILE
61 return -1; in fileno()
75 return -1; in fflush()
90 return -1; in fclose()
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/openbmc/linux/tools/lib/api/
H A Dio.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Lightweight buffered reading library.
37 io->fd = fd; in io__init()
38 io->buf_len = buf_len; in io__init()
39 io->buf = buf; in io__init()
40 io->end = buf; in io__init()
41 io->data = buf; in io__init()
42 io->timeout_ms = 0; in io__init()
43 io->eof = false; in io__init()
49 char *ptr = io->data; in io__get_char()
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/openbmc/linux/Documentation/scsi/
H A Dst.rst1 .. 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 …]
/openbmc/u-boot/env/
H A DKconfig20 while U-Boot is running, but once U-Boot exits it will not be
21 stored. U-Boot will therefore always start up with a default
31 - CONFIG_ENV_OFFSET:
32 - CONFIG_ENV_SIZE:
41 - CONFIG_ENV_EEPROM_IS_ON_I2C
45 - CONFIG_I2C_ENV_EEPROM_BUS
88 "embedded" in the text segment with the U-Boot code. This
94 4 kB sectors - with U-Boot code before and after it. With
97 between U-Boot and the environment.
131 when your environment is "embedded" within U-Boot code,
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/openbmc/linux/drivers/gpu/drm/i915/display/
H A Dintel_vblank.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2022-2023 Intel Corporation
24 * latch double buffered registers
30 * | may be shifted forward 1-3 extra lines via TRANSCONF
37 * ----va---> <-----------------vb--------------------> <--------va-------------
38 * | | <----vs-----> |
39 …* -vbs-----> <---vbs+1---> <---vbs+2---> <-----0-----> <-----1-----> <-----2--- (scanline counter …
40 …* -vbs-2---> <---vbs-1---> <---vbs-----> <---vbs+1---> <---vbs+2---> <-----0--- (scanline counter …
41 …* -vbs-2---> <---vbs-2---> <---vbs-1---> <---vbs-----> <---vbs+1---> <---vbs+2- (scanline counter …
56 * - most events happen at the start of horizontal sync
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/openbmc/linux/net/strparser/
H A Dstrparser.c1 // SPDX-License-Identifier: GPL-2.0-only
32 return (struct _strp_msg *)((void *)skb->cb + in _strp_msg()
41 cancel_delayed_work(&strp->msg_timer_work); in strp_abort_strp()
43 if (strp->stopped) in strp_abort_strp()
46 strp->stopped = 1; in strp_abort_strp()
48 if (strp->sk) { in strp_abort_strp()
49 struct sock *sk = strp->sk; in strp_abort_strp()
52 sk->sk_err = -err; in strp_abort_strp()
60 mod_delayed_work(strp_wq, &strp->msg_timer_work, timeo); in strp_start_timer()
67 desc->error = err; in strp_parser_err()
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/openbmc/linux/drivers/input/mouse/
H A Dcyapa_gen5.c6 * Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
21 #include <linux/crc-itu-t.h>
33 #define CYAPA_TSG_IMG_MAX_RECORDS (CYAPA_TSG_IMG_END_ROW_NUM - \
141 * Bit 7 - 3: reserved
142 * Bit 2 - 0: touch type;
146 * 3 - 15 : reserved.
154 * Bit 6 - 5: indicates an event associated with this touch instance
159 * Bit 4 - 0: An arbitrary ID tag associated with a finger
164 /* Bit 7 - 0 of X-axis coordinate of the touch in pixel. */
167 /* Bit 15 - 8 of X-axis coordinate of the touch in pixel. */
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/openbmc/linux/block/
H A Dblk-wbt.c1 // 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-stat.h"
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/openbmc/linux/include/net/
H A Dmac80211.h1 /* 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 - 2023 Intel Corporation
31 * only partial functionality in hard- or firmware. This document
32 * defines the interface between mac80211 and low-level hardware
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/openbmc/linux/drivers/iio/adc/
H A Dad7124.c1 // SPDX-License-Identifier: GPL-2.0+
203 .name = "ad7124-4",
208 .name = "ad7124-8",
224 diff_new = abs(val - array[i]); in ad7124_find_closest_match()
243 ret = ad_sd_read_reg(&st->sd, addr, bytes, &readval); in ad7124_spi_write_mask()
250 return ad_sd_write_reg(&st->sd, addr, bytes, readval); in ad7124_spi_write_mask()
258 st->adc_control &= ~AD7124_ADC_CTRL_MODE_MSK; in ad7124_set_mode()
259 st->adc_control |= AD7124_ADC_CTRL_MODE(mode); in ad7124_set_mode()
261 return ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control); in ad7124_set_mode()
268 fclk = clk_get_rate(st->mclk); in ad7124_set_channel_odr()
[all …]
H A Dti-ads1015.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADS1015 - Texas Instruments Analog-to-Digital Converter
7 * IIO driver for ADS1015 ADC 7-bit I2C slave address:
8 * * 0x48 - ADDR connected to Ground
9 * * 0x49 - ADDR connected to Vdd
10 * * 0x4A - ADDR connected to SDA
11 * * 0x4B - ADDR connected to SCL
111 * Translation from PGA bits to full-scale positive and negative input voltage
161 * Compile-time check whether _fitbits can accommodate up to _testbits
165 * double-negation of size of a non-empty structure, i.e. it multiplies
[all …]
/openbmc/linux/drivers/iio/dummy/
H A Diio_simple_dummy.c1 // SPDX-License-Identifier: GPL-2.0-only
31 * struct iio_dummy_accel_calibscale - realworld to register mapping
32 * @val: first value in read_raw - here integer part.
33 * @val2: second value in read_raw etc - here micro part.
34 * @regval: register value - magic device specific numbers.
51 * simple event - triggered when value rises above
61 * simple step detect event - triggered when a step is detected
70 * simple transition event - triggered when the reported running confidence
80 * simple transition event - triggered when the reported walking confidence
91 * iio_dummy_channels - Description of available channels
[all …]
/openbmc/qemu/block/
H A Dblock-copy.c9 * Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
12 * See the COPYING file in the top-level directory.
19 #include "block/block-copy.h"
20 #include "block/block_int-io.h"
21 #include "block/dirty-bitmap.h"
23 #include "sysemu/block-backend.h"
25 #include "qemu/co-shared-resource.h"
29 #include "qemu/error-report.h"
59 /* Coroutine where async block-copy is running */
77 * After finishing (call_state->finished is true), it is not modified
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/openbmc/linux/drivers/iio/light/
H A Drohm-bu27034.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * https://fscdn.rohm.com/en/products/databook/datasheet/ic/sensor/light/bu27034nuc-e.pdf
21 #include <linux/iio/iio-gts-helper.h>
55 * inevitable even if the sensor clock would be perfectly phase-locked to CPU
56 * clock - which we can't say is the case.
59 * risk of losing a sample because things can in a rainy-day scenario be
72 * Downside is that the time-stamps would be very inaccurate as the wake-up
74 * result 'jumps' in the time-stamps when the delay drifted so that wake-up was
75 * performed during the consecutive wake-ups (Or, when sensor and CPU clocks
76 * were very different and scheduling the wake-ups was very close to given
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/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio3 Contact: linux-iio@vger.kernel.org
11 Contact: linux-iio@vger.kernel.org
25 Contact: linux-iio@vger.kernel.org
31 Contact: linux-iio@vger.kernel.org
38 Contact: linux-iio@vger.kernel.org
44 The contents of the label are free-form, but there are some
51 * "proximity-wifi"
52 * "proximity-lte"
53 * "proximity-wifi-lte"
54 * "proximity-wifi-left"
[all …]
/openbmc/linux/include/linux/
H A Dhid.h1 /* 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:
33 * values are expanded to 32-bit signed int, long items contain a pointer
187 * System Multi-Axis, see:
188 …* http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Control…
424 * persistent for main-items. The global environment can be saved and
442 * This is the local environment. It is persistent up the next main-item.
464 int parent_idx; /* device->collection */
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/openbmc/linux/drivers/gpu/drm/i915/
H A Di915_perf.c2 * 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 …]
/openbmc/linux/Documentation/filesystems/
H A Dvfs.rst1 .. SPDX-License-Identifier: GPL-2.0
9 - Copyright (C) 1999 Richard Gooch
10 - Copyright (C) 2005 Pekka Enberg
27 ------------------------------
32 cache or dcache). This provides a very fast look-up mechanism to
44 ----------------
64 ---------------
67 structure (this is the kernel-side implementation of file descriptors).
88 .. code-block:: c
99 ->mount() will be attached to the mountpoint, so that when pathname
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/openbmc/linux/fs/xfs/
H A Dxfs_ioctl.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
72 f = fdget(hreq->fd); in xfs_find_handle()
74 return -EBADF; in xfs_find_handle()
77 error = user_path_at(AT_FDCWD, hreq->path, 0, &path); in xfs_find_handle()
88 error = -EINVAL; in xfs_find_handle()
89 if (inode->i_sb->s_magic != XFS_SB_MAGIC) in xfs_find_handle()
92 error = -EBADF; in xfs_find_handle()
93 if (!S_ISREG(inode->i_mode) && in xfs_find_handle()
94 !S_ISDIR(inode->i_mode) && in xfs_find_handle()
[all …]
/openbmc/linux/fs/f2fs/
H A Dfile.c1 // SPDX-License-Identifier: GPL-2.0
41 struct inode *inode = file_inode(vmf->vma->vm_file); in f2fs_filemap_fault()
49 trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)ret); in f2fs_filemap_fault()
56 struct page *page = vmf->page; in f2fs_vm_page_mkwrite()
57 struct inode *inode = file_inode(vmf->vma->vm_file); in f2fs_vm_page_mkwrite()
70 err = -EIO; in f2fs_vm_page_mkwrite()
75 err = -ENOSPC; in f2fs_vm_page_mkwrite()
85 int ret = f2fs_is_compressed_cluster(inode, page->index); in f2fs_vm_page_mkwrite()
99 sb_start_pagefault(inode->i_sb); in f2fs_vm_page_mkwrite()
103 file_update_time(vmf->vma->vm_file); in f2fs_vm_page_mkwrite()
[all …]
/openbmc/qemu/hw/block/
H A Dpflash_cfi02.c23 * - flash read
24 * - flash write
25 * - flash ID read
26 * - sector erase
27 * - chip erase
28 * - unlock bypass command
29 * - CFI queries
38 #include "hw/qdev-properties.h"
39 #include "hw/qdev-properties-system.h"
41 #include "qemu/error-report.h"
[all …]
/openbmc/linux/drivers/dma-buf/
H A Ddma-fence.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Fence mechanism for dma-buf and to allow for asynchronous dma access
16 #include <linux/dma-fence.h>
50 * Since the purposes of fences is to facilitate cross-device and
51 * cross-application synchronization, there's multiple ways to use one:
53 * - Individual fences can be exposed as a &sync_file, accessed as a file
58 * - Some subsystems also have their own explicit fencing primitives, like
62 * - Then there's also implicit fencing, where the synchronization points are
69 * DOC: fence cross-driver contract
77 * further command submission and force complete all in-flight fences, e.g.
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