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/linux/Documentation/devicetree/bindings/pinctrl/
H A Drenesas,rza1-ports.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/renesas,rza1-ports.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo+renesas@jmondi.org>
11 - Geert Uytterhoeven <geert+renesas@glider.be>
16 Pin multiplexing and GPIO configuration is performed on a per-pin basis
17 writing configuration values to per-port register sets.
25 - const: renesas,r7s72100-ports # RZ/A1H
26 - items:
[all …]
/linux/drivers/thunderbolt/
H A Dtmu.c1 // SPDX-License-Identifier: GPL-2.0
46 return "uni-directional, LowRes"; in tmu_mode_name()
48 return "uni-directional, HiFi"; in tmu_mode_name()
50 return "bi-directional, HiFi"; in tmu_mode_name()
52 return "enhanced uni-directional, MedRes"; in tmu_mode_name()
73 sw->tmu.cap + TMU_RTR_CS_0, 1); in tb_switch_set_tmu_mode_params()
81 sw->tmu.cap + TMU_RTR_CS_0, 1); in tb_switch_set_tmu_mode_params()
86 sw->tmu.cap + TMU_RTR_CS_15, 1); in tb_switch_set_tmu_mode_params()
100 sw->tmu.cap + TMU_RTR_CS_15, 1); in tb_switch_set_tmu_mode_params()
108 sw->tmu.cap + TMU_RTR_CS_18, 1); in tb_switch_set_tmu_mode_params()
[all …]
/linux/drivers/block/mtip32xx/
H A Dmtip32xx.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * mtip32xx.h - Header file for the P320 SSD Block Driver
67 * NOTE: This is the driver maximum; check dd->slot_groups for actual value.
95 * Per-tag bitfield size in longs.
104 (U32_PER_LONG-1))/U32_PER_LONG)
181 mtip_workq_sdbfx(w->port, group, w->completed); \
188 * - 27h Register FIS, host to device.
189 * - 34h Register FIS, device to host.
190 * - 39h DMA Activate FIS, device to host.
191 * - 41h DMA Setup FIS, bi-directional.
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/linux/Documentation/hid/
H A Dhid-transport.rst8 Bluetooth, I2C and user-space I/O drivers.
17 report-parsing, report interpretation and the user-space API. Device specifics
22 +-----------+ +-----------+ +-----------+ +-----------+
24 +-----------+ +-----------+ +-----------+ +-----------+
26 +------------+ +------------+
28 +------------+ +------------+
30 +------------------+ +------------------+
32 +------------------+ +------------------+
35 +----------------+
37 +----------------+
[all …]
/linux/Documentation/devicetree/bindings/iio/adc/
H A Drichtek,rtq6056.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
19 internal analog-to-digital converter ADC. The programmable calibration,
24 https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
29 - enum:
30 - richtek,rtq6056
[all …]
/linux/Documentation/userspace-api/gpio/
H A Dgpio-handle-set-config-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
11 gpio-v2-line-set-config-ioctl.rst.
16 GPIOHANDLE_SET_CONFIG_IOCTL - Update the configuration of previously requested lines.
30 :c:type:`request.fd<gpiohandle_request>` by gpio-get-linehandle-ioctl.rst.
44 The same :ref:`gpio-get-linehandle-config-rules` and
45 :ref:`gpio-get-linehandle-config-support` that apply when requesting the
52 bi-directional lines between input and output, but it may be used more
56 gpio-handle-set-line-values-ioctl.rst.
65 On error -1 and the ``errno`` variable is set appropriately.
66 Common error codes are described in error-codes.rst.
H A Dgpio-v2-line-set-config-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
12 GPIO_V2_LINE_SET_CONFIG_IOCTL - Update the configuration of previously requested lines.
26 :c:type:`request.fd<gpio_v2_line_request>` by gpio-v2-get-line-ioctl.rst.
40 The same :ref:`gpio-v2-get-line-config-rules` and
41 :ref:`gpio-v2-get-line-config-support` that apply when requesting the lines
48 bi-directional lines between input and output, but it may also be used to
53 gpio-v2-line-set-values-ioctl.rst.
60 On error -1 and the ``errno`` variable is set appropriately.
61 Common error codes are described in error-codes.rst.
/linux/Documentation/mhi/
H A Dtopology.rst1 .. SPDX-License-Identifier: GPL-2.0
11 --------------
30 ----------
33 for bi-directional communication. Once MHI is in powered on state, the MHI
43 ----------
46 driver sends and receives the upper-layer protocol packets like IP packets,
/linux/drivers/hwmon/
H A Dina2xx.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Zero Drift Bi-Directional Current/Power Monitor with I2C Interface
10 * Bi-Directional Current/Power Monitor with I2C Interface
14 * Bi-Directional Current/Power Monitor with I2C Interface
18 * Bi-directional Current/Power Monitor with I2C Interface
59 /* settings - depend on use case */
259 val = DIV_ROUND_CLOSEST((s16)regval, data->config->shunt_div); in ina2xx_get_value()
262 val = (regval >> data->config->bus_voltage_shift) * in ina2xx_get_value()
263 data->config->bus_voltage_lsb; in ina2xx_get_value()
267 val = regval * data->power_lsb_uW; in ina2xx_get_value()
[all …]
/linux/Documentation/networking/
H A Dplip.rst1 .. SPDX-License-Identifier: GPL-2.0
14 -----------------
17 This device interface allows a point-to-point connection between two
25 printer port. PLIP is a non-standard, but [can use] uses the standard
26 LapLink null-printer cable [can also work in turbo mode, with a PLIP
62 -------------------
77 On these machines, the PLIP driver can be used in IRQ-less mode, where
82 indicate that there isn't a noticeable performance drop when using IRQ-less
92 When in IRQ-less mode, the PLIP driver polls the parallel port HZ times
99 10^6/HZ usecs. If both sides of a PLIP connection are used in IRQ-less mode,
[all …]
/linux/include/rdma/
H A Dib.h1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
33 return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0); in ib_addr_any()
38 return ((a->sib_addr32[0] | a->sib_addr32[1] | in ib_addr_loopback()
39 a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0); in ib_addr_loopback()
45 addr->sib_addr32[0] = w1; in ib_addr_set()
46 addr->sib_addr32[1] = w2; in ib_addr_set()
47 addr->sib_addr32[2] = w3; in ib_addr_set()
48 addr->sib_addr32[3] = w4; in ib_addr_set()
67 * The IB interfaces that use write() as bi-directional ioctl() are
78 return filp->f_cred == current_cred(); in ib_safe_file_access()
/linux/Documentation/devicetree/bindings/sound/
H A Dnvidia,tegra210-i2s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The Inter-IC Sound (I2S) controller implements full-duplex,
11 bi-directional and single direction point-to-point serial
16 - Jon Hunter <jonathanh@nvidia.com>
17 - Sameer Pujar <spujar@nvidia.com>
20 - $ref: dai-common.yaml#
24 pattern: "^i2s@[0-9a-f]*$"
[all …]
/linux/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_ct.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2016-2019 Intel Corporation
26 * It can be used to perform both host-2-guc and guc-to-host communication.
57 /** Top-level structure for Command Transport related data
59 * Includes a pair of CT buffers for bi-directional communication and tracking
117 ct->enabled = false; in intel_guc_ct_sanitize()
122 return ct->enabled; in intel_guc_ct_enabled()
/linux/Documentation/driver-api/usb/
H A Dbulk-streams.rst17 Device-side implications
21 an out-of-band mechanism on another endpoint) that data is ready for that stream
41 ID for the bulk IN and OUT endpoints used in a Bi-directional command sequence.
65 To queue an URB for a specific stream, set the urb->stream_id value. If the
/linux/drivers/pinctrl/uniphier/
H A Dpinctrl-uniphier.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2015-2017 Socionext Inc.
21 - 1)
28 - 1)
35 - 1)
37 /* pull-up / pull-down register number */
42 - 1)
49 - 1)
69 /* direction of pull register (no pin supports bi-directional pull biasing) */
71 UNIPHIER_PIN_PULL_UP, /* pull-up or disabled */
[all …]
/linux/Documentation/devicetree/bindings/remoteproc/
H A Dst,stm32-rproc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/st,stm32-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - Fabien Dessenne <fabien.dessenne@foss.st.com>
15 - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
19 const: st,stm32mp1-m4
31 reset-names:
33 - const: mcu_rst
34 - const: hold_boot
[all …]
/linux/include/net/
H A Dbond_alb.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
14 #define BOND_ALB_INFO(bond) ((bond)->alb_info)
15 #define SLAVE_TLB_INFO(slave) ((slave)->tlb_info)
18 #define BOND_TLB_REBALANCE_INTERVAL 10 /* In seconds, periodic re-balancing.
19 * Used for division - never set
23 #define BOND_ALB_LP_INTERVAL(bond) (bond->params.lp_interval) /* In seconds, periodic send of
46 #define RLB_UPDATE_RETRY 3 /* 3-ticks - must be smaller than the rlb
78 /* -------------------------------------------------------------------------
89 * allow cleaning up the table from ip_src<->mac_src associations that have
[all …]
/linux/include/linux/amba/
H A Dpl022.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
31 * enum ssp_interface - interfaces allowed for this SSP Controller
48 * enum ssp_hierarchy - whether SSP is configured as Master or Slave
56 * enum ssp_clock_params - clock parameters, to set SSP clock at a
65 * enum ssp_rx_endian - endianess of Rx FIFO Data
74 * enum ssp_tx_endian - endianess of Tx FIFO Data
82 * enum ssp_data_size - number of bits in one data element
98 * enum ssp_mode - SSP mode of operation (Communication modes)
[all …]
/linux/Documentation/userspace-api/media/rc/
H A Dlirc-dev-intro.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
10 a bi-directional interface for transporting raw IR and decoded scancodes
21 .. code-block:: none
28 .. code-block:: none
30 $ ls -l /dev/lirc*
31 crw-rw---- 1 root root 248, 0 Jul 2 22:20 /dev/lirc0
33 Note that the package `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_
36 - ir-ctl: can receive raw IR and transmit IR, as well as query LIRC
39 - ir-keytable: can load keymaps; allows you to set IR kernel protocols; load
52 .. _lirc-mode-scancode:
[all …]
/linux/drivers/nvme/host/
H A Dfabrics.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
18 /* default is -1: the fail fast mechanism is disabled */
19 #define NVMF_DEF_FAIL_FAST_TMO -1
37 * enum nvmf_parsing_opts - used to define the sysfs parsing options used.
72 * struct nvmf_ctrl_options - Used to hold the options specified
77 * the controller, (-1) means reconnect forever, zero means remove
84 * @traddr: The transport-specific TRADDR field for a port on the
86 * @trsvcid: The transport-specific TRSVCID field for a port on the
88 * @host_traddr: A transport-specific field identifying the NVME host port
[all …]
/linux/drivers/message/fusion/
H A Dmptctl.h8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
50 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
54 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
93 * (as the app. will not use 8-byte pointers).
117 * iocnum - must be defined.
118 * port - must be defined for all IOCTL commands other than MPTIOCINFO
[all …]
/linux/fs/btrfs/
H A Dbackref.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 #include "disk-io.h"
30 * The value must be non-negative and must not be 0, 1 (which is a common return
39 * continue. Can return BTRFS_ITERATE_EXTENT_INODES_STOP or any other non-zero
94 * commit roots when searching b+trees - this is a special case for
287 * For metadata with EXTENT_ITEM key (non-skinny) case, the first inline data
295 if (iter->cur_key.type == BTRFS_EXTENT_ITEM_KEY && in btrfs_backref_has_tree_block_info()
296 iter->cur_ptr - iter->item_ptr == sizeof(struct btrfs_extent_item)) in btrfs_backref_has_tree_block_info()
308 * The whole objective of backref_cache is to build a bi-directional map
/linux/drivers/greybus/
H A Dsvc.c1 // SPDX-License-Identifier: GPL-2.0
30 return sprintf(buf, "0x%04x\n", svc->endo_id); in endo_id_show()
39 return sprintf(buf, "%u\n", svc->ap_intf_id); in ap_intf_id_show()
106 if (svc->action == GB_SVC_WATCHDOG_BITE_PANIC_KERNEL) in watchdog_action_show()
108 else if (svc->action == GB_SVC_WATCHDOG_BITE_RESET_UNIPRO) in watchdog_action_show()
111 return -EINVAL; in watchdog_action_show()
121 svc->action = GB_SVC_WATCHDOG_BITE_PANIC_KERNEL; in watchdog_action_store()
123 svc->action = GB_SVC_WATCHDOG_BITE_RESET_UNIPRO; in watchdog_action_store()
125 return -EINVAL; in watchdog_action_store()
136 ret = gb_operation_sync(svc->connection, in gb_svc_pwrmon_rail_count_get()
[all …]
/linux/Documentation/security/
H A Dsnp-tdx-threat-model.rst17 the kernel through various networking or limited HW-specific exposed
48 additional mechanisms to control guest-host page mapping. More details on
49 the x86-specific solutions can be found in
51 …https://www.amd.com/system/files/techdocs/sev-snp-strengthening-vm-isolation-with-integrity-protec…
56 that acts as a security manager. The host-side virtual machine monitor
63 In the following diagram, the "<--->" lines represent bi-directional
67 +-------------------+ +-----------------------+
68 | CoCo guest VM |<---->| |
69 +-------------------+ | |
71 +-------------------+ | |
[all …]
/linux/include/uapi/linux/usb/
H A Daudio.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * <linux/usb/audio.h> -- USB Audio definitions.
37 /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
47 /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
61 /* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */
64 /* A.9 Audio Class-Specific Request Codes */
104 #define UAC_CONTROL_BIT(CS) (1 << ((CS) - 1))
106 /* A.10.3.1 Up/Down-mix Processing Unit Controls Selectors */
141 /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
146 /* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */
[all …]

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