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/linux/Documentation/devicetree/bindings/iio/accel/
H A D	lis302.txt	`8 - compatible: should be set to "st,lis3lv02d-spi" 9 - reg: the chipselect index 10 - spi-max-frequency: maximal bus speed, should be set to 1000000 unless 12 - interrupts: the interrupt generated by the device 15 - compatible: should be set to "st,lis3lv02d" 16 - reg: i2c slave address 17 - Vdd-supply: The input supply for Vdd 18 - Vdd_IO-supply: The input supply for Vdd_IO 23 - st,click-single-{x,y,z}: if present, tells the device to issue an 25 x/y/z axis. [all …]`
/linux/Documentation/devicetree/bindings/iio/
H A D	mount-matrix.txt	2 * is the definition of +/- values practical or counterintuitive? 13 that produce three-dimensional data in relation to the world where it is 21 of the (x,y,z) triplets, such as different registers to read these coordinates, 28 reference to (x,y,z) orientation, with (x,y) corresponding to these axes on the 29 screen and (z) being depth, the axis perpendicular to the screen. 31 For a screen you probably want (x) coordinates to go from negative on the left 37 reference. This means that the sensor may be flipped upside-down, left-right, 47 Device-to-world examples for some three-dimensional sensor types: 49 - Accelerometers have their world frame of reference toward the center of 50 gravity, usually to the core of the planet. A reading of the (x,y,z) values [all …]
/linux/drivers/iio/imu/
H A D	adis16400.c	1 // SPDX-License-Identifier: GPL-2.0-only 31 #define ADIS16400_XGYRO_OUT 0x04 /* X-axis gyroscope output / 32 #define ADIS16400_YGYRO_OUT 0x06 / Y-axis gyroscope output / 33 #define ADIS16400_ZGYRO_OUT 0x08 / Z-axis gyroscope output / 34 #define ADIS16400_XACCL_OUT 0x0A / X-axis accelerometer output / 35 #define ADIS16400_YACCL_OUT 0x0C / Y-axis accelerometer output / 36 #define ADIS16400_ZACCL_OUT 0x0E / Z-axis accelerometer output / 37 #define ADIS16400_XMAGN_OUT 0x10 / X-axis magnetometer measurement / 38 #define ADIS16400_YMAGN_OUT 0x12 / Y-axis magnetometer measurement / 39 #define ADIS16400_ZMAGN_OUT 0x14 / Z-axis magnetometer measurement */ [all …]
/linux/Documentation/input/devices/
H A D	cma3000_d0x.rst	`1 CMA3000-D0x Accelerometer 5 * VTI CMA3000-D0x 8 CMA3000-D0X Product Family Specification 8281000A.02.pdf 15 ----------- 17 CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and 25 This mode is used to read the acceleration data on X,Y,Z 26 axis and supports 400, 100, 40 Hz sample frequency. 47 ------------- 50 Noise on X Axis 53 Noise on Y Axis [all …]`
H A D	iforce-protocol.rst	7 Home page at `<http://web.archive.org/web/*/http://www.esil.univ-mrs.fr>`_ 16 specify force effects to I-Force 2.0 devices. None of this information comes 25 send data to your I-Force device based on what you read in this document. 30 All values are hexadecimal with big-endian encoding (msb on the left). Beware, 31 values inside packets are encoded using little-endian. Bytes whose roles are 35 ------------------------ 60 axis:: 64 00 X-Axis lsb 65 01 X-Axis msb 66 02 Y-Axis lsb, or gas pedal for a wheel [all …]
/linux/Documentation/input/joydev/
H A D	joystick-api.rst	1 .. _joystick-api: 7 :Author: Ragnar Hojland Espinosa <ragnar@macula.net> - 7 Aug 1998 18 driver now reports only any changes of its state. See joystick-api.txt, 23 For backward compatibility the old (v0.x) interface is still included. 57 __u8 number; /* axis/button number */ 65 ------------- 86 --------------- 88 The values of ``number`` correspond to the axis or button that 90 is, you have both an axis 0 and a button 0). Generally, 93 Axis number [all …]
H A D	joystick.rst	3 .. _joystick-doc: 14 linux-input@vger.kernel.org 16 send "subscribe linux-input" to majordomo@vger.kernel.org to subscribe to it. 25 --------- 29 usually packaged as ``joystick``, ``input-utils``, ``evtest``, and so on. 35 ------------ 48 ln -s input/js0 js0 49 ln -s input/js1 js1 50 ln -s input/js2 js2 51 ln -s input/js3 js3 [all …]
/linux/Documentation/input/
H A D	multi-touch-protocol.rst	4 Multi-touch (MT) Protocol 7 :Copyright: \|copy\| 2009-2010 Henrik Rydberg <rydberg@euromail.se> 11 ------------ 13 In order to utilize the full power of the new multi-touch and multi-user 16 document describes the multi-touch (MT) protocol which allows kernel 30 -------------- 34 packet. Since these events are ignored by current single-touch (ST) 48 All drivers mark the end of a multi-touch transfer by calling the usual 67 the ABS_MT_TRACKING_ID of the associated slot. A non-negative tracking id 68 is interpreted as a contact, and the value -1 denotes an unused slot. A [all …]
/linux/drivers/hid/
H A D	hid-lg3ff.c	`1 // SPDX-License-Identifier: GPL-2.0-or-later 15 #include "hid-lg.h" 21 * 0 - seems to be command field 22 * 1 - 30 deal with the x axis 23 * 31 -60 deal with the y axis 25 * Field 1 is x axis constant force 26 * Field 31 is y axis constant force 28 * other interesting fields 1,2,3,4 on x axis 29 * (same for 31,32,33,34 on y axis) 36 * -127 0 -127 -127 makes the joystick loose on the left, [all …]`
H A D	hid-udraw-ps3.c	`1 // SPDX-License-Identifier: GPL-2.0-only 11 #include "hid-ids.h" 21 * https://vvvv.org/contribution/udraw-hid 26 * - the touch area which works as a touchpad 27 * - the tablet area which works as a touchpad/drawing tablet 28 * - a joypad with a d-pad, and 7 buttons 29 * - an accelerometer device 47 * in order, X, Y and Z 66 #define MAX_PRESSURE (255 - PRESSURE_OFFSET) 76 * The device's two-finger support is pretty unreliable, as [all …]`
/linux/Documentation/iio/
H A D	adis16475.rst	1 .. SPDX-License-Identifier: GPL-2.0 54 where X is the IIO index of the device. Under these folders reside a set of 62 +-------------------------------------------+------------------------------------------------------… 63 \| 3-Axis Accelerometer related device files \| Description … 64 +-------------------------------------------+------------------------------------------------------… 66 +-------------------------------------------+------------------------------------------------------… 67 \| in_accel_x_calibbias \| Calibration offset for the X-axis accelerometer chann… 68 +-------------------------------------------+------------------------------------------------------… 69 \| in_accel_x_raw \| Raw X-axis accelerometer channel value. … 70 +-------------------------------------------+------------------------------------------------------… [all …]
H A D	adxl313.rst	1 .. SPDX-License-Identifier: GPL-2.0 14 The ADXL313is a low noise density, low power, 3-axis accelerometer with 24 where X is the IIO index of the device. Under these folders reside a set of 32 +---------------------------------------------------+----------------------------------------------… 33 \| 3-Axis Accelerometer related device files \| Description … 34 +---------------------------------------------------+----------------------------------------------… 36 +---------------------------------------------------+----------------------------------------------… 37 \| in_accel_x_calibbias \| Calibration offset for the X-axis acceleromet… 38 +---------------------------------------------------+----------------------------------------------… 39 \| in_accel_x_raw \| Raw X-axis accelerometer channel value. … [all …]
/linux/include/linux/
H A D	lis3lv02d.h	1 /* SPDX-License-Identifier: GPL-2.0 / 6 struct lis3lv02d_platform_data - lis3 chip family platform data 8 * @click_thresh_x: Click detection unit x axis threshold 9 * @click_thresh_y: Click detection unit y axis threshold 10 * @click_thresh_z: Click detection unit z axis threshold 26 * @axis_x: Sensor orientation remapping for x-axis 27 * @axis_y: Sensor orientation remapping for y-axis 28 * @axis_z: Sensor orientation remapping for z-axis 111 #define LIS3_INV_DEV_X -1 112 #define LIS3_INV_DEV_Y -2 [all …]
H A D	fb.h	`1 /* SPDX-License-Identifier: GPL-2.0 / 77 __u32 serial; / Serial Number - Integer / 84 __u16 input; / display type - see FB_DISP_* / 85 __u16 dpms; / DPMS support - see FB_DPMS_ / 86 __u16 signal; / Signal Type - see FB_SIGNAL_* / 89 __u16 gamma; / Gamma - in fractions of 100 / 91 __u16 misc; / Misc flags - see FB_MISC_* / 133 / only used by mach-pxa/am200epd.c / 148 DECLARE_BITMAP(x, FB_MAX_BLIT_WIDTH); 197 / Format: test_bit(width - 1, blit_x) */ [all …]`
/linux/sound/pci/
H A D	azt3328.h	1 /* SPDX-License-Identifier: GPL-2.0 / 5 / "PU" == "power-up value", as tested on PCI168 PCI rev. 10 85 …REQ_SUSPECTED_66200 0x06 \| SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ / 111 #define IDX_IO_TIMER_VALUE 0x60 / found this timer area by pure luck :-) / 122 / some IRQ bit in here might also be used to signal a power-management timer 150 * in case playback is active? Or is this driver-induced? 175 * still lets us evaluate button states, but not axis states / 179 --> FIFO/timing settings???) / 186 #define IDX_IO_6CH 0x6C / unknown; fully read-writable / 209 axis measurement bits enabled [all …]
/linux/include/linux/input/
H A D	adxl34x.h	1 /* SPDX-License-Identifier: GPL-2.0-or-later / 20 X,Y,Z Axis Offset: 30 * TAP_X/Y/Z Enable: Setting TAP_X, Y, or Z Enable enables X, 32 * selected axis from participation in Tap detection. 89 * X/Y/Z Enable: A '1' enables X, Y, or Z participation in activity 90 * or inactivity detection. A '0' excludes the selected axis from 152 * result in the function appearing un-responsive if the 162 * holds the threshold value for Free-Fall detection. 163 * The data format is unsigned. The root-sum-square(RSS) value 167 * result in undesirable behavior if Free-Fall interrupt is [all …]
H A D	kxtj9.h	1 /* SPDX-License-Identifier: GPL-2.0-only / 13 unsigned int min_interval; / minimum poll interval (in milli-seconds) / 14 unsigned int init_interval; / initial poll interval (in milli-seconds) / 17 By default, x is axis 0, y is axis 1, z is axis 2; these can be 25 * Each axis can be negated to account for sensor orientation within 32 /* CTRL_REG1: set resolution, g-range, data ready enable / 33 / Output resolution: 8-bit valid or 12-bit valid / 37 / Output g-range: +/-2g, 4g, or 8g */
H A D	cma3000.h	`1 /* SPDX-License-Identifier: GPL-2.0-only / 25 struct cma3000_i2c_platform_data - CMA3000 Platform data 26 * @fuzz_x: Noise on X Axis 27 * @fuzz_y: Noise on Y Axis 28 * @fuzz_z: Noise on Z Axis`
/linux/drivers/platform/x86/
H A D	hdaps.c	1 // SPDX-License-Identifier: GPL-2.0-only 3 * hdaps.c - driver for IBM's Hard Drive Active Protection System 9 * starting with the R40, T41, and X40. It provides a basic two-axis 31 #define HDAPS_NR_PORTS 0x30 /* number of ports: 0x1600 - 0x162f / 34 #define HDAPS_PORT_YPOS 0x1612 / y-axis position / 35 #define HDAPS_PORT_XPOS 0x1614 / x-axis position / 37 #define HDAPS_PORT_YVAR 0x1617 / y-axis variance (what is this?) / 38 #define HDAPS_PORT_XVAR 0x1619 / x-axis variance (what is this?) / 71 __get_latch - Get the value from a given port. Callers must hold hdaps_mtx. 79 * __check_latch - Check a port latch for a given value. Returns zero if the [all …]
/linux/arch/arm/boot/dts/ti/omap/
H A D	omap3-n9.dts	`1 // SPDX-License-Identifier: GPL-2.0-only 3 * omap3-n9.dts - Device Tree file for Nokia N9 8 /dts-v1/; 10 #include "omap3-n950-n9.dtsi" 11 #include <dt-bindings/input/input.h> 15 compatible = "nokia,omap3-n9", "ti,omap3630", "ti,omap3"; 23 vana-supply = <&vaux3>; 25 clock-frequency = <9600000>; 26 flash-leds = <&as3645a_flash &as3645a_indicator>; 29 link-frequencies = /bits/ 64 <199200000 210000000 499200000>; [all …]`
/linux/drivers/firmware/arm_scmi/
H A D	sensors.c	1 // SPDX-License-Identifier: GPL-2.0 5 * Copyright (C) 2018-2022 ARM Ltd. 8 #define pr_fmt(fmt) "SCMI Notifications SENSOR - " fmt 47 #define SUPPORTS_UPDATE_NOTIFY(x) FIELD_GET(BIT(30), (x)) argument 48 #define SENSOR_TSTAMP_EXP(x) FIELD_GET(GENMASK(14, 10), (x)) argument 49 #define SUPPORTS_TIMESTAMP(x) FIELD_GET(BIT(9), (x)) argument 50 #define SUPPORTS_EXTEND_ATTRS(x) FIELD_GET(BIT(8), (x)) argument 53 #define SENSOR_UPDATE_BASE(x) FIELD_GET(GENMASK(31, 27), (x)) argument 54 #define SENSOR_UPDATE_SCALE(x) FIELD_GET(GENMASK(26, 22), (x)) argument 57 #define SENSOR_AXIS_NUMBER(x) FIELD_GET(GENMASK(21, 16), (x)) argument [all …]
/linux/drivers/gpu/drm/imagination/
H A D	pvr_rogue_cr_defs_client.h	1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT / 7 / clang-format off / 10 This register controls the anti-aliasing mode of the Tiling Co-Processor, independent control is 11 * provided in both X & Y axis. 15 * 2xmsaa is achieved by enabling Y - TE does AA on Y plane only 16 * 4xmsaa is achieved by enabling Y and X - TE does AA on X and Y plane 20 * 2xmsaa is achieved by enabling X2 - does not affect TE 21 * 4xmsaa is achieved by enabling Y and X2 - TE does AA on Y plane only 22 * 8xmsaa is achieved by enabling Y, X and X2 - TE does AA on X and Y plane 26 * 2xmsaa is achieved by enabling X2 - does not affect TE [all …]
/linux/drivers/input/touchscreen/
H A D	touchit213.c	1 // SPDX-License-Identifier: GPL-2.0-only 3 * Sahara TouchIT-213 serial touchscreen driver 5 * Copyright (c) 2007-2008 Claudio Nieder <private@claudio.ch> 21 #define DRIVER_DESC "Sahara TouchIT-213 serial touchscreen driver" 35 * +--------+ +--------+ +--------+ +--------+ +--------+ 37 * +--------+ +--------+ +--------+ +--------+ +--------+ 45 * presented, x is the horizontal axis with values growing from left to 46 * right and y is the vertical axis with values growing from top to 50 * correct position, x ist the vertical axis with values growing from 51 * top to bottom and y is the horizontal axis with values growing from [all …]
/linux/drivers/comedi/drivers/
H A D	adl_pci8164.c	1 // SPDX-License-Identifier: GPL-2.0+ 5 * Hardware comedi driver for PCI-8164 Adlink card 11 * Description: Driver for the Adlink PCI-8164 4 Axes Motion Control board 12 * Devices: [ADLink] PCI-8164 (adl_pci8164) 24 #define PCI8164_AXIS(x) ((x) * 0x08) argument 35 unsigned long offset = (unsigned long)s->private; in adl_pci8164_insn_read() 36 unsigned int chan = CR_CHAN(insn->chanspec); in adl_pci8164_insn_read() 39 for (i = 0; i < insn->n; i++) in adl_pci8164_insn_read() 40 data[i] = inw(dev->iobase + PCI8164_AXIS(chan) + offset); in adl_pci8164_insn_read() 42 return insn->n; in adl_pci8164_insn_read() [all …]
/linux/Documentation/driver-api/iio/
H A D	buffers.rst	13 :file:`/dev/iio:device{X}` character device node, thus reducing the CPU load. 18 :file:`/sys/bus/iio/devices/iio:device{X}/buffer/*`. Here are some of the 31 :file:`/sys/bus/iio/devices/iio:device{X}/scan_elements/` directory. This 52 For example, a driver for a 3-axis accelerometer with 12 bit resolution where 53 data is stored in two 8-bits registers as follows:: 56 +---+---+---+---+---+---+---+---+ 57 \|D3 \|D2 \|D1 \|D0 \| X \| X \| X \| X \| (LOW byte, address 0x06) 58 +---+---+---+---+---+---+---+---+ 61 +---+---+---+---+---+---+---+---+ 63 +---+---+---+---+---+---+---+---+ [all …]

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