/linux/drivers/input/ |
H A D | touchscreen.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * Generic helper functions for touchscreens and other two-dimensional 34 unsigned long axis, in touchscreen_set_params() argument 39 if (!test_bit(axis, dev->absbit)) { in touchscreen_set_params() 40 dev_warn(&dev->dev, in touchscreen_set_params() 41 "Parameters are specified but the axis %lu is not set up\n", in touchscreen_set_params() 42 axis); in touchscreen_set_params() 46 absinfo = &dev->absinfo[axis]; in touchscreen_set_params() 47 absinfo->minimum = min; in touchscreen_set_params() 48 absinfo->maximum = max; in touchscreen_set_params() [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/input/misc/ |
H A D | adxl34x.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 3 * ADXL345/346 Three-Axis Digital Accelerometers 25 #define OFSX 0x1E /* R/W X-axis offset */ 26 #define OFSY 0x1F /* R/W Y-axis offset */ 27 #define OFSZ 0x20 /* R/W Z-axis offset */ 34 #define ACT_INACT_CTL 0x27 /* R/W Axis enable control for activity and */ 36 #define THRESH_FF 0x28 /* R/W Free-fall threshold */ 37 #define TIME_FF 0x29 /* R/W Free-fall time */ 38 #define TAP_AXES 0x2A /* R/W Axis control for tap/double tap */ 46 #define DATAX0 0x32 /* R X-Axis Data 0 */ [all …]
|
/linux/Documentation/iio/ |
H A D | adis16480.rst | 1 .. SPDX-License-Identifier: GPL-2.0 48 where X is the IIO index of the device. Under these folders reside a set of 58 +------------------------------------------+-------------------------------------------------------… 59 | 3-Axis Magnetometer related device files | Description … 60 +------------------------------------------+-------------------------------------------------------… 62 +------------------------------------------+-------------------------------------------------------… 63 | in_magn_x_calibbias | Calibration offset for the X-axis magnetometer channel… 64 +------------------------------------------+-------------------------------------------------------… 65 | in_magn_x_filter_low_pass_3db_frequency | Bandwidth for the X-axis magnetometer channel. … 66 +------------------------------------------+-------------------------------------------------------… [all …]
|
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 …]
|
/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/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/ |
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/Documentation/devicetree/bindings/input/touchscreen/ |
H A D | bu21013.txt | 4 - compatible : "rohm,bu21013_tp" 5 - reg : I2C device address 6 - reset-gpios : GPIO pin enabling (selecting) chip (CS) 7 - interrupt-parent : the phandle for the gpio controller 8 - interrupts : (gpio) interrupt to which the chip is connected 11 - touch-gpios : GPIO pin registering a touch event 12 - <supply_name>-supply : Phandle to a regulator supply 13 - touchscreen-size-x : General touchscreen binding, see [1]. 14 - touchscreen-size-y : General touchscreen binding, see [1]. 15 - touchscreen-inverted-x : General touchscreen binding, see [1]. [all …]
|
H A D | touchscreen.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Dmitry Torokhov <dmitry.torokhov@gmail.com> 20 touchscreen-min-x: 21 description: minimum x coordinate reported 25 touchscreen-min-y: 30 touchscreen-size-x: 31 description: horizontal resolution of touchscreen (maximum x coordinate reported + 1) 34 touchscreen-size-y: [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/devicetree/bindings/media/ |
H A D | video-interface-devices.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/media/video-interface-devices.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Jacopo Mondi <jacopo@jmondi.org> 11 - Sakari Ailus <sakari.ailus@linux.intel.com> 14 flash-leds: 15 $ref: /schemas/types.yaml#/definitions/phandle-array 17 An array of phandles, each referring to a flash LED, a sub-node of the LED 20 lens-focus: [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 …]
|
/linux/drivers/iio/magnetometer/ |
H A D | yamaha-yas530.c | 1 // SPDX-License-Identifier: GPL-2.0-only 7 * YAS530 MS-3E (2011 Samsung Galaxy S Advance) 8 * YAS532 MS-3R (2011 Samsung Galaxy S4) 9 * YAS533 MS-3F (Vivo 1633, 1707, V3, Y21L) 11 * YAS535 MS-6C 12 * YAS536 MS-3W 13 * YAS537 MS-3T (2015 Samsung Galaxy S6, Note 5, Galaxy S7) 14 * YAS539 MS-3S (2018 Samsung Galaxy A7 SM-A750FN) 57 #define YAS530_OFFSET_X 0x85 /* [-31 .. 31] */ 58 #define YAS530_OFFSET_Y1 0x86 /* [-31 .. 31] */ [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 | mt.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 18 #define INPUT_MT_TRACK 0x0008 /* use in-kernel tracking */ 19 #define INPUT_MT_SEMI_MT 0x0010 /* semi-mt device, finger count handled manually */ 22 * struct input_mt_slot - represents the state of an input MT slot 28 int abs[ABS_MT_LAST - ABS_MT_FIRST + 1]; 34 * struct input_mt - state of tracked contacts 40 * @red: reduced cost matrix for in-kernel tracking 56 slot->abs[code - ABS_MT_FIRST] = value; in input_mt_set_value() 62 return slot->abs[code - ABS_MT_FIRST]; in input_mt_get_value() 73 return slot->frame == mt->frame; in input_mt_is_used() [all …]
|
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 */
|
/linux/drivers/staging/iio/accel/ |
H A D | adis16240.c | 1 // SPDX-License-Identifier: GPL-2.0+ 26 /* Output, x-axis accelerometer */ 29 /* Output, y-axis accelerometer */ 32 /* Output, z-axis accelerometer */ 41 /* Output, x-axis acceleration peak */ 44 /* Output, y-axis acceleration peak */ 47 /* Output, z-axis acceleration peak */ 50 /* Output, sum-of-squares acceleration peak */ 53 /* Output, Capture Buffer 1, X and Y acceleration */ 68 /* Calibration, x-axis acceleration offset adjustment */ [all …]
|
/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/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr3/ |
H A D | ia_css_tnr3_types.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 4 Copyright (c) 2010 - 2015, Intel Corporation. 20 * CSS-API header file for Temporal Noise Reduction v3 (TNR3) kernel 33 * each. Each line graph has Luma values on the x axis and sigma values for 34 * each plane on the y axis. The three linear segments may have a different 37 * specified each on the Luma axis and the per plane Sigma axis. On the Luma 38 * axis two points are fixed (namely 0 and maximum luma value - depending on 41 * the per plane sigma axis are also specified at the interface. 53 unsigned int knee_y[TNR3_NUM_SEGMENTS - 1]; /** Knee points */
|
/linux/drivers/iio/imu/ |
H A D | fxos8700_core.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * FXOS8700 - NXP IMU (accelerometer plus magnetometer) 309 FXOS8700_CHANNEL(IIO_ACCEL, X), 312 FXOS8700_CHANNEL(IIO_MAGN, X), 326 return -EINVAL; in fxos8700_to_sensor() 335 ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1, mode); in fxos8700_set_active_mode() 351 struct device *dev = regmap_get_device(data->regmap); in fxos8700_set_scale() 355 return -EINVAL; in fxos8700_set_scale() 360 * full-scale range(2g/4g/8g) in FXOS8700_XYZ_DATA_CFG. in fxos8700_set_scale() 363 * an ACCEL full-scale range. in fxos8700_set_scale() [all …]
|