| /linux/include/media/i2c/ |
| H A D | tvp7002.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Texas Instruments Triple 8-/10-BIT 165-/110-MSPS Video and Graphics
6 * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>
19 * struct tvp7002_config - Platform dependent data
21 * 0 - Data clocked out on rising edge of DATACLK signal
22 * 1 - Data clocked out on falling edge of DATACLK signal
24 * 0 - Active low HSYNC output, 1 - Active high HSYNC output
26 * 0 - Active low VSYNC output, 1 - Active high VSYNC output
27 *@fid_polarity: Active-high Field ID polarity.
28 * 0 - The field ID output is set to logic 1 for an odd field
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | vidioc-g-dv-timings.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_DV_TIMINGS - VIDIOC_S_DV_TIMINGS - VIDIOC_SUBDEV_G_DV_TIMINGS - VIDIOC_SUBDEV_S_DV_TIMINGS…
56 registered in read-only mode is not allowed. An error is returned and the errno
57 variable is set to ``-EPERM``.
59 The ``linux/v4l2-dv-timings.h`` header can be used to get the timings of
68 On success 0 is returned, on error -1 and the ``errno`` variable is set
70 :ref:`Generic Error Codes <gen-errors>` chapter.
83 ``VIDIOC_SUBDEV_S_DV_TIMINGS`` has been called on a read-only subdevice.
91 .. flat-table:: struct v4l2_bt_timings
92 :header-rows: 0
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| /linux/drivers/media/platform/via/ |
| H A D | via-camera.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
6 #define VCR_IC_EAV 0x0001 /* End of active video status */
8 #define VCR_IC_FBOTFLD 0x0004 /* "flipping" Bottom field is active */
9 #define VCR_IC_ACTBUF 0x0018 /* Active video buffer */
10 #define VCR_IC_VSYNC 0x0020 /* 0 = VB, 1 = active video */
11 #define VCR_IC_BOTFLD 0x0040 /* Bottom field is active */
13 #define VCR_IC_INTEN 0x0100 /* End of active video int. enable */
20 #define VCR_TSC_METHOD 0x00000c /* DMA method (non-functional) */
36 #define VCR_CI_HDMODE 0x00000040 /* CCIR656-16 hdr decode mode; 1=16b */
37 #define VCR_CI_BSWAP 0x00000080 /* Swap bytes (16-bit) */
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| /linux/include/linux/sched/ |
| H A D | cputime.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
19 *utime = t->utime; in task_cputime()
20 *stime = t->stime; in task_cputime()
26 return t->gtime; in task_gtime()
35 *utimescaled = t->utimescaled; in task_cputime_scaled()
36 *stimescaled = t->stimescaled; in task_cputime_scaled()
59 * The following are functions that support scheduler-internal time accounting.
65 * get_running_cputimer - return &tsk->signal->cputimer if cputimers are active
73 struct thread_group_cputimer *cputimer = &tsk->signal->cputimer; in get_running_cputimer()
76 * Check whether posix CPU timers are active. If not the thread in get_running_cputimer()
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| /linux/drivers/media/pci/ivtv/ |
| H A D | ivtv-driver.h | 3 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
5 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 * -----
33 * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com>
37 * using information provided by Jiun-Kuei Jung @ AVerMedia.
49 #include <linux/i2c-algo-bit.h>
60 #include <media/v4l2-common.h>
61 #include <media/v4l2-ioctl.h>
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | renesas,ceu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo+renesas@jmondi.org>
11 - linux-renesas-soc@vger.kernel.org
15 Mobile, R-Mobile and RZ SoCs. The interface supports a single parallel input
21 - renesas,r7s72100-ceu
22 - renesas,r8a7740-ceu
33 power-domains:
37 $ref: /schemas/graph.yaml#/$defs/port-base
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| H A D | renesas,vin.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Renesas R-Car Video Input (VIN)
11 - Niklas Söderlund <niklas.soderlund@ragnatech.se>
14 The R-Car Video Input (VIN) device provides video input capabilities for the
15 Renesas R-Car family of devices.
20 on Gen3 and RZ/G2 platforms to a CSI-2 receiver.
25 - items:
26 - enum:
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| /linux/Documentation/power/ |
| H A D | runtime_pm.rst | 5 (C) 2009-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
18 put their PM-related work items. It is strongly recommended that pm_wq be
20 them to be synchronized with system-wide power transitions (suspend to RAM,
53 The ->runtime_suspend(), ->runtime_resume() and ->runtime_idle() callbacks
57 1. PM domain of the device, if the device's PM domain object, dev->pm_domain,
60 2. Device type of the device, if both dev->type and dev->type->pm are present.
62 3. Device class of the device, if both dev->class and dev->class->pm are
65 4. Bus type of the device, if both dev->bus and dev->bus->pm are present.
69 dev->driver->pm directly (if present).
73 and bus type. Moreover, the high-priority one will always take precedence over
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| /linux/block/ |
| H A D | bfq-wf2q.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Hierarchical Budget Worst-case Fair Weighted Fair Queueing
4 * (B-WF2Q+): hierarchical scheduling algorithm by which the BFQ I/O
9 #include "bfq-iosched.h"
12 * bfq_gt - compare two timestamps.
20 return (s64)(a - b) > 0; in bfq_gt()
25 struct rb_node *node = tree->rb_node; in bfq_root_active_entity()
34 return bfqq ? bfqq->ioprio_class - 1 : in bfq_class_idx()
35 BFQ_DEFAULT_GRP_CLASS - 1; in bfq_class_idx()
40 return bfqd->busy_queues[0] + bfqd->busy_queues[1] + in bfq_tot_busy_queues()
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| H A D | bfq-iosched.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "blk-cgroup-rwstat.h"
29 * Soft real-time applications are extremely more latency sensitive
30 * than interactive ones. Over-raise the weight of the former to
38 * per-actuator data. The current value is hopefully a good upper
46 * struct bfq_service_tree - per ioprio_class service tree.
48 * Each service tree represents a B-WF2Q+ scheduler on its own. Each
54 /* tree for active entities (i.e., those backlogged) */
55 struct rb_root active; member
66 /* scheduler weight sum; active and idle entities contribute to it */
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| /linux/Documentation/admin-guide/mm/ |
| H A D | pagemap.rst | 12 physical frame each virtual page is mapped to. It contains one 64-bit
16 * Bits 0-54 page frame number (PFN) if present
17 * Bits 0-4 swap type if swapped
18 * Bits 5-54 swap offset if swapped
19 * Bit 55 pte is soft-dirty (see
20 Documentation/admin-guide/mm/soft-dirty.rst)
22 * Bit 57 pte is uffd-wp write-protected (since 5.13) (see
23 Documentation/admin-guide/mm/userfaultfd.rst)
25 * Bits 59-60 zero
26 * Bit 61 page is file-page or shared-anon (since 3.5)
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| /linux/tools/testing/selftests/coredump/ |
| H A D | README.rst | 5 ------------------
11 user-space program by writing the pipe symbol (`|`) followed by the command to be executed to
15 crashed process's stack pointers can be read from `procfs`: it is the `kstkesp` field in
19 -----------
20 While a thread is active, the stack pointer is unsafe to read and therefore the `kstkesp` field
21 reads zero. But when the thread is dead (e.g. during a coredump), this field should have valid
24 However, this was broken in the past and `kstkesp` was zero even during coredump:
41 ---------------------
50 non-zero.
|
| /linux/Documentation/driver-api/tty/ |
| H A D | tty_ldisc.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 fallback if establishing any other discipline for a tty fails. If even N_TTY
13 characters -- it throws them away.
21 returns an error then it won’t get called. Do not re-use ldisc numbers as they
23 demons to eat your computer. You must not re-register over the top of the line
24 discipline even with the same data or your computer again will be eaten by
27 Heed this warning: the reference count field of the registered copies of the
30 the number of active users of the ldisc at this instant. In effect it counts
34 .. kernel-doc:: drivers/tty/tty_ldisc.c
40 .. kernel-doc:: drivers/tty/tty_ldisc.c
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| /linux/drivers/net/ethernet/marvell/octeon_ep_vf/ |
| H A D | octep_vf_config.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
44 * Even a skb with fragments consume only one Tx queue descriptor entry.
51 #define OCTEP_VF_MAX_MTU (10000 - (ETH_HLEN + ETH_FCS_LEN))
56 #define CFG_GET_IQ_CFG(cfg) ((cfg)->iq)
57 #define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs)
58 #define CFG_GET_IQ_INSTR_TYPE(cfg) ((cfg)->iq.instr_type)
60 #define CFG_GET_IQ_DB_MIN(cfg) ((cfg)->iq.db_min)
61 #define CFG_GET_IQ_INTR_THRESHOLD(cfg) ((cfg)->iq.intr_threshold)
63 #define CFG_GET_OQ_NUM_DESC(cfg) ((cfg)->oq.num_descs)
64 #define CFG_GET_OQ_BUF_SIZE(cfg) ((cfg)->oq.buf_size)
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| /linux/Documentation/filesystems/nfs/ |
| H A D | rpc-cache.rst | 21 - mapping from IP address to client name
22 - mapping from client name and filesystem to export options
23 - mapping from UID to list of GIDs, to work around NFS's limitation
25 - mappings between local UID/GID and remote UID/GID for sites that
27 - mapping from network identify to public key for crypto authentication.
31 - general cache lookup with correct locking
32 - supporting 'NEGATIVE' as well as positive entries
33 - allowing an EXPIRED time on cache items, and removing
34 items after they expire, and are no longer in-use.
35 - making requests to user-space to fill in cache entries
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| /linux/include/uapi/linux/ |
| H A D | sync_file.h | 1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * struct sync_merge_data - SYNC_IOC_MERGE: merge two fences
24 * @pad: padding for 64-bit alignment, should always be zero
39 * struct sync_fence_info - detailed fence information
42 * @status: status of the fence 0:active 1:signaled <0:error
55 * struct sync_file_info - SYNC_IOC_FILE_INFO: get detailed information on a sync_file
57 * @status: status of fence. 1: signaled 0:active <0:error
60 * @pad: padding for 64-bit alignment, should always be zero
64 * Takes a struct sync_file_info. If num_fences is 0, the field is updated
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| H A D | gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
3 * <linux/gpio.h> - userspace ABI for the GPIO character devices
21 * Must be a multiple of 8 to ensure 32/64-bit alignment of structs.
26 * struct gpiochip_info - Information about a certain GPIO chip
41 * Must be no greater than 64, as bitmaps are restricted here to 64-bits
42 * for simplicity, and a multiple of 2 to ensure 32/64-bit alignment of
54 * enum gpio_v2_line_flag - &struct gpio_v2_line_attribute.flags values
56 * @GPIO_V2_LINE_FLAG_ACTIVE_LOW: line active state is physical low
59 * @GPIO_V2_LINE_FLAG_EDGE_RISING: line detects rising (inactive to active)
61 * @GPIO_V2_LINE_FLAG_EDGE_FALLING: line detects falling (active to
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| H A D | dm-ioctl.h | 1 /* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
3 * Copyright (C) 2001 - 2003 Sistina Software (UK) Limited.
4 * Copyright (C) 2004 - 2009 Red Hat, Inc. All rights reserved.
24 * 'active' table which is the one currently used by io passing
26 * that is being prepared as a replacement for the 'active' one.
39 * Create a new device, neither the 'active' or 'inactive' table
42 * since it will be out-of-bounds.
58 * slot, it will be moved to the active slot, then the old table
59 * from the active slot will be _destroyed_. Finally the device
63 * Retrieves the status for the table in the 'active' slot.
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| /linux/drivers/scsi/aic7xxx/ |
| H A D | aic7xxx.reg | 4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
19 * 3. Neither the names of the above-listed copyright holders nor the names
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
49 * All page numbers refer to the Adaptec AIC-7770 Data Book available from
50 * Adaptec's Technical Documents Department 1-800-934-2766
65 * SCSI Sequence Control (p. 3-11).
71 field TEMODE 0x80
72 field ENSELO 0x40
73 field ENSELI 0x20
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| /linux/drivers/usb/serial/ |
| H A D | ftdi_sio.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Driver definitions for the FTDI USB Single Port Serial Converter -
9 * The example I have is known as the USC-1000 which is available from
10 * http://www.dse.co.nz - cat no XH4214 It looks similar to this:
12 * USC-1000s which don't look like my device though so beware!
21 * Bill Ryder - bryder@sgi.com formerly of Silicon Graphics, Inc.- wrote the
107 * wValue: BaudDivisor value - see below
112 * - BaseClock is either 12000000 or 48000000 depending on the device.
114 * - BaudDivisor is a fixed point number encoded in a funny way.
115 * (--WRONG WAY OF THINKING--)
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| /linux/drivers/net/ethernet/marvell/octeon_ep/ |
| H A D | octep_config.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
45 * Even a skb with fragments consume only one Tx queue descriptor entry.
60 #define CFG_GET_IQ_CFG(cfg) ((cfg)->iq)
61 #define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs)
62 #define CFG_GET_IQ_INSTR_TYPE(cfg) ((cfg)->iq.instr_type)
64 #define CFG_GET_IQ_DB_MIN(cfg) ((cfg)->iq.db_min)
65 #define CFG_GET_IQ_INTR_THRESHOLD(cfg) ((cfg)->iq.intr_threshold)
67 #define CFG_GET_OQ_NUM_DESC(cfg) ((cfg)->oq.num_descs)
68 #define CFG_GET_OQ_BUF_SIZE(cfg) ((cfg)->oq.buf_size)
69 #define CFG_GET_OQ_REFILL_THRESHOLD(cfg) ((cfg)->oq.refill_threshold)
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| /linux/Documentation/arch/powerpc/ |
| H A D | transactional_memory.rst | 49 transactional or non-transactional accesses within the system. In this
50 example, the transaction completes as though it were normal straight-line code
53 performed. Even though the normal ld/std instructions are used (note no
69 - Conflicts with cache lines used by other processors
70 - Signals
71 - Context switches
72 - See the ISA for full documentation of everything that will abort transactions.
78 Syscalls made from within an active transaction will not be performed and the
90 Care must be taken when relying on syscalls to abort during active transactions
108 delivered. For future compatibility the MSR.TS field should be checked to
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| /linux/drivers/media/pci/bt8xx/ |
| H A D | bttvp.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 bttv - Bt848 frame grabber driver
6 bttv's *private* header file -- nobody other than bttv itself
9 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
19 #include <linux/i2c-algo-bit.h>
26 #include <media/v4l2-common.h>
27 #include <media/v4l2-ctrls.h>
28 #include <media/v4l2-fh.h>
29 #include <media/videobuf2-dma-sg.h>
31 #include <media/rc-core.h>
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| /linux/drivers/usb/host/ |
| H A D | octeon-hcd.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
104 * This register can be used to configure the core after power-on or a change in
105 * mode of operation. This register mainly contains AHB system-related
126 * @nptxfemplvl: Non-Periodic TxFIFO Empty Level (NPTxFEmpLvl)
128 * Indicates when the Non-Periodic TxFIFO Empty Interrupt bit in
131 * * 1'b0: GINTSTS.NPTxFEmp interrupt indicates that the Non-
133 * * 1'b1: GINTSTS.NPTxFEmp interrupt indicates that the Non-
139 * This field has not effect and should be left as 0x0.
141 * Software should set this field to 0x1.
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| /linux/net/mac80211/ |
| H A D | mesh_ps.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
4 * Copyright 2012-2013, cozybit Inc.
16 * mps_qos_null_get - create pre-addressed QoS Null frame for mesh powersave
23 struct ieee80211_sub_if_data *sdata = sta->sdata; in mps_qos_null_get()
24 struct ieee80211_local *local = sdata->local; in mps_qos_null_get()
30 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size + 2); in mps_qos_null_get()
33 skb_reserve(skb, local->hw.extra_tx_headroom); in mps_qos_null_get()
37 ieee80211_fill_mesh_addresses(nullfunc, &fc, sta->sta.addr, in mps_qos_null_get()
38 sdata->vif.addr); in mps_qos_null_get()
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