| /Linux-v6.1/drivers/input/touchscreen/ |
| D | da9034-ts.c | 66 static inline int is_pen_down(struct da9034_touch *touch) in is_pen_down() argument
68 return da903x_query_status(touch->da9034_dev, DA9034_STATUS_PEN_DOWN); in is_pen_down()
71 static inline int detect_pen_down(struct da9034_touch *touch, int on) in detect_pen_down() argument
74 return da903x_set_bits(touch->da9034_dev, in detect_pen_down()
77 return da903x_clr_bits(touch->da9034_dev, in detect_pen_down()
81 static int read_tsi(struct da9034_touch *touch) in read_tsi() argument
86 ret = da903x_read(touch->da9034_dev, DA9034_TSI_X_MSB, &_x); in read_tsi()
90 ret = da903x_read(touch->da9034_dev, DA9034_TSI_Y_MSB, &_y); in read_tsi()
94 ret = da903x_read(touch->da9034_dev, DA9034_TSI_XY_LSB, &_v); in read_tsi()
98 touch->last_x = ((_x << 2) & 0x3fc) | (_v & 0x3); in read_tsi()
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| D | 88pm860x-ts.c | 21 /* touch register */
33 /* bit definitions of touch */
50 struct pm860x_touch *touch = data; in pm860x_touch_handler() local
51 struct pm860x_chip *chip = touch->chip; in pm860x_touch_handler()
57 ret = pm860x_bulk_read(touch->i2c, MEAS_TSIX_1, MEAS_LEN, buf); in pm860x_touch_handler()
68 if ((x != 0) && (z1 != 0) && (touch->res_x != 0)) { in pm860x_touch_handler()
70 rt = (rt * touch->res_x * x) >> ACCURATE_BIT; in pm860x_touch_handler()
74 input_report_abs(touch->idev, ABS_X, x); in pm860x_touch_handler()
75 input_report_abs(touch->idev, ABS_Y, y); in pm860x_touch_handler()
76 input_report_abs(touch->idev, ABS_PRESSURE, rt); in pm860x_touch_handler()
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| D | wacom_w8001.c | 37 /* set in first byte of touch data packets */
71 /* touch query reply packet */
157 bool touch = data[0] & (1 << i); in parse_multi_touch() local
160 input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch); in parse_multi_touch()
161 if (touch) { in parse_multi_touch()
175 /* emulate single touch events when stylus is out of proximity. in parse_multi_touch()
176 * This is to make single touch backward support consistent in parse_multi_touch()
177 * across all Wacom single touch devices. in parse_multi_touch()
204 /* Early days' single-finger touch models need the following defaults */ in parse_touchquery()
340 /* 2 finger touch packet */ in w8001_interrupt()
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| D | mms114.c | 50 /* Touch type */
157 static void mms114_process_mt(struct mms114_data *data, struct mms114_touch *touch) in mms114_process_mt() argument
165 if (touch->id > MMS114_MAX_TOUCH) { in mms114_process_mt()
166 dev_err(&client->dev, "Wrong touch id (%d)\n", touch->id); in mms114_process_mt()
170 if (touch->type != MMS114_TYPE_TOUCHSCREEN) { in mms114_process_mt()
171 dev_err(&client->dev, "Wrong touch type (%d)\n", touch->type); in mms114_process_mt()
175 id = touch->id - 1; in mms114_process_mt()
176 x = touch->x_lo | touch->x_hi << 8; in mms114_process_mt()
177 y = touch->y_lo | touch->y_hi << 8; in mms114_process_mt()
181 id, touch->type, touch->pressed, in mms114_process_mt()
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| D | colibri-vf50-ts.c | 50 * Enables given plates and measures touch parameters using ADC
83 * Enable touch detection using falling edge detection on XM
101 * ADC touch screen sampling bottom half irq handler
110 /* Disable the touch detection plates */ in vf50_ts_irq_bh()
130 * Touch pressure in vf50_ts_irq_bh()
162 * If touch pressure is too low, stop measuring and reenable in vf50_ts_irq_bh()
163 * touch detection in vf50_ts_irq_bh()
178 * Report touch position and sleep for in vf50_ts_irq_bh()
195 /* Report no more touch, re-enable touch detection */ in vf50_ts_irq_bh()
210 dev_dbg(dev, "Input device %s opened, starting touch detection\n", in vf50_ts_open()
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| D | zylonite-wm97xx.c | 3 * zylonite-wm97xx.c -- Zylonite Continuous Touch screen driver
11 * This is a wm97xx extended touch driver supporting interrupt driven
65 * AC97 touch data slot.
67 * Touch screen readback data ac97 slot
71 MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
177 gpio_touch_irq = devm_gpiod_get(&pdev->dev, "touch", GPIOD_IN); in zylonite_wm97xx_probe()
212 .name = "wm97xx-touch",
219 MODULE_DESCRIPTION("wm97xx continuous touch driver for Zylonite");
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| D | mainstone-wm97xx.c | 3 * mainstone-wm97xx.c -- Mainstone Continuous Touch screen driver for
12 * This is a wm97xx extended touch driver to capture touch
90 * AC97 touch data slot.
92 * Touch screen readback data ac97 slot
96 MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
201 gpiod_irq = gpiod_get(wm->dev, "touch", GPIOD_IN); in wm97xx_acc_startup()
278 .name = "wm97xx-touch",
285 MODULE_DESCRIPTION("wm97xx continuous touch driver for mainstone");
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| /Linux-v6.1/drivers/input/mouse/ |
| D | synaptics_i2c.c | 230 static inline void set_scan_rate(struct synaptics_i2c *touch, int scan_rate) in set_scan_rate() argument
232 touch->scan_ms = MSEC_PER_SEC / scan_rate; in set_scan_rate()
233 touch->scan_rate_param = scan_rate; in set_scan_rate()
335 static bool synaptics_i2c_get_input(struct synaptics_i2c *touch) in synaptics_i2c_get_input() argument
337 struct input_dev *input = touch->input; in synaptics_i2c_get_input()
343 if (synaptics_i2c_check_error(touch->client)) in synaptics_i2c_get_input()
347 data = synaptics_i2c_reg_get(touch->client, DATA_REG0); in synaptics_i2c_get_input()
354 xy_delta = synaptics_i2c_word_get(touch->client, REL_X_REG) & 0xffff; in synaptics_i2c_get_input()
373 struct synaptics_i2c *touch = dev_id; in synaptics_i2c_irq() local
375 mod_delayed_work(system_wq, &touch->dwork, 0); in synaptics_i2c_irq()
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| /Linux-v6.1/Documentation/userspace-api/media/v4l/ |
| D | dev-touch.rst | 6 Touch Devices
9 Touch devices are accessed through character device special files named
16 Sensors may be Optical, or Projected Capacitive touch (PCT).
21 analogue front end device which delivers touch data at high rate, and any touch
24 For capacitive touch sensing, the touchscreen is composed of an array of
30 A touch input may be determined by comparing the raw capacitance measurement to
31 a no-touch reference (or "baseline") measurement:
36 the touch sensor matrix, for example manufacturing irregularities,
42 Devices supporting the touch interface set the ``V4L2_CAP_VIDEO_CAPTURE`` flag
50 The formats supported by touch devices are documented in
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| /Linux-v6.1/Documentation/devicetree/bindings/input/touchscreen/ |
| D | imx6ul_tsc.txt | 1 * Freescale i.MX6UL Touch Controller
5 - reg: this touch controller address and the ADC2 address.
6 - interrupts: the interrupt of this touch controller and ADC2.
7 - clocks: the root clock of touch controller and ADC2.
10 This xnur-gpio returns to low once the finger leave the touch screen (The
11 last touch event the touch controller capture).
17 This value depends on the touch screen.
18 - pre-charge-time: the touch screen need some time to precharge.
19 This value depends on the touch screen.
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| D | bu21013.txt | 1 * Rohm BU21013 Touch Screen
11 - touch-gpios : GPIO pin registering a touch event
23 - rohm,touch-max-x : Maximum outward permitted limit in the X axis
24 - rohm,touch-max-y : Maximum outward permitted limit in the Y axis
25 - rohm,flip-x : Flip touch coordinates on the X axis
26 - rohm,flip-y : Flip touch coordinates on the Y axis
36 touch-gpio = <&gpio2 20 GPIO_ACTIVE_LOW>;
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| /Linux-v6.1/Documentation/input/ |
| D | multi-touch-protocol.rst | 4 Multi-touch (MT) Protocol
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
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
95 Here is what a minimal event sequence for a two-contact touch would look
131 Here is what a minimal event sequence for a two-contact touch would look
176 The TOUCH and WIDTH parameters have a geometrical interpretation; imagine
182 ABS_MT_TOOL_X/Y. The touch diameter is ABS_MT_TOUCH_MAJOR and the finger
184 harder against the glass. The touch region will increase, and in general,
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| D | event-codes.rst | 52 coordinates of a touch on a touchscreen.
110 - Used to synchronize and separate touch events. See the
111 multi-touch-protocol.txt document for more information.
148 BTN_TOUCH is used for touch contact. While an input tool is determined to be
152 touchpad may set the value to 1 only when the touch pressure rises above a
160 Note: Historically a touch device with BTN_TOOL_FINGER and BTN_TOUCH was
182 be used to emit these codes. Please see multi-touch-protocol.txt for details.
222 may emit coordinates for a touch location.
247 multi-touch-protocol.txt for details.
251 - For touch devices, many devices converted contact size into pressure.
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| /Linux-v6.1/tools/perf/tests/shell/ |
| D | test_arm_coresight.sh | 41 -- taskset -c $2 touch $file > /dev/null 2>&1
48 …# touch 6512 1 branches:u: ffffb220824c strcmp+0xc (/lib/aarch64-linux-gn…
49 …# touch 6512 1 branches:u: ffffb22082e0 strcmp+0xa0 (/lib/aarch64-linux-g…
50 …# touch 6512 1 branches:u: ffffb2208320 strcmp+0xe0 (/lib/aarch64-linux-g…
59 # 73.04% 73.04% touch libc-2.27.so [.] _dl_addr
60 # 7.71% 7.71% touch libc-2.27.so [.] getenv
61 # 2.59% 2.59% touch ld-2.27.so [.] strcmp
70 # 68.12% touch libc-2.27.so [.] _dl_addr
71 # 5.80% touch libc-2.27.so [.] getenv
72 # 4.35% touch ld-2.27.so [.] _dl_fixup
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| /Linux-v6.1/Documentation/devicetree/bindings/display/panel/ |
| D | panel-simple.yaml | 126 # Emerging Display Technology Corp. 480x272 TFT Display with capacitive touch
130 # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
133 # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
134 # Same timings as the ETM0700G0DH6, but with resistive touch.
136 # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
138 # backlight and the touch interface.
141 # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
144 # Emerging Display Technology Corp. LVDS WSVGA TFT Display with capacitive touch
147 # capacitive touch
223 # Logic Technologies LT161010-2NHC 7" WVGA TFT Cap Touch Module
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| /Linux-v6.1/drivers/hid/ |
| D | hid-udraw-ps3.c | 26 * - the touch area which works as a touchpad
77 * the device could report a single touch when the two fingers
81 * We'll make do without it, and try to report the first touch
105 int touch; in udraw_raw_event() local
112 touch = TOUCH_NONE; in udraw_raw_event()
114 touch = TOUCH_PEN; in udraw_raw_event()
116 touch = TOUCH_FINGER; in udraw_raw_event()
118 touch = TOUCH_TWOFINGER; in udraw_raw_event()
171 if (touch != TOUCH_NONE) { in udraw_raw_event()
178 if (touch == TOUCH_FINGER) { in udraw_raw_event()
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| D | Kconfig | 97 tristate "Accutouch touch device"
100 This selects a driver for the Accutouch 2216 touch controller.
106 Say Y here if you have a Accutouch 2216 touch controller.
591 T651, TK820), some mice (Zone Touch mouse), or even keyboards (Solar
650 tristate "Apple Magic Mouse/Trackpad multi-touch support"
652 Support for the Apple Magic Mouse/Trackpad multi-touch.
654 Say Y here if you want support for the multi-touch features of the
703 - 3M PCT touch screens
704 - ActionStar dual touch panels
706 - Cando dual touch panels
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| D | hid-magicmouse.c | 52 MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW …
65 * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem
81 /* Touch surface information. Dimension is in hundredths of a mm, min and max
118 * @ntouches: Number of touches in most recent touch report.
121 * @touches: Most recent data for a touch, indexed by tracking ID.
122 * @tracking_ids: Mapping of current touch input data to @touches.
152 int touch = -1; in magicmouse_firm_touch() local
155 /* If there is only one "firm" touch, set touch to its in magicmouse_firm_touch()
161 /* Ignore this touch. */ in magicmouse_firm_touch()
162 } else if (touch >= 0) { in magicmouse_firm_touch()
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| /Linux-v6.1/Documentation/devicetree/bindings/input/ |
| D | iqs62x-keys.yaml | 39 Specifies the numeric keycodes associated with each available touch or
46 | 0 | CH0 Touch | x | x | x | x | x |
47 | | Antenna 1 Touch* | x | | | | |
52 | 2 | CH1 Touch | x | x | x | x | x |
53 | | Ant. 1 Deep Touch* | x | | | | |
57 | 4 | CH2 Touch | x | | | | |
62 | 6 | Metal (+) Touch** | x | x | | | |
63 | | Ant. 2 Deep Touch* | x | | | | |
66 | | Antenna 2 Touch* | x | | | | |
68 | 8 | Metal (-) Touch** | x | x | | | |
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| D | iqs626a.yaml | 7 title: Azoteq IQS626A Capacitive Touch Controller
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
88 represents touch state as follows:
107 2: Proximity or touch
108 3: Proximity, touch or deep touch
112 description: Multiplies all touch and deep-touch thresholds by 4.
209 touch states (ULP channel).
407 Inverts the polarity of the states reported for proximity, touch and
408 deep-touch events relative to their respective thresholds (generic
450 "^event-(prox|touch|deep)(-alt)?$":
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| D | iqs269a.yaml | 7 title: Azoteq IQS269A Capacitive Touch Controller
13 The Azoteq IQS269A is an 8-channel capacitive touch controller that features
158 Selects the channel for which the GPIO3 pin represents touch state.
192 2: Proximity or touch
193 3: Proximity, touch or deep touch
282 Inverts the polarity of the states reported for proximity, touch and
283 deep-touch events relative to their respective thresholds.
388 Complementary events (e.g. event-touch and event-touch-alt) can both
404 "^event-touch(-alt)?$":
407 description: Represents a touch event reported by the channel.
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| /Linux-v6.1/include/linux/mfd/ |
| D | mxs-lradc.h | 117 * and/or touch-buttons and generic LRADC block. Therefore when using
121 * CH0 -- Touch button #0
122 * CH1 -- Touch button #1
123 * CH2 -- Touch screen XPUL
124 * CH3 -- Touch screen YPLL
125 * CH4 -- Touch screen XNUL
126 * CH5 -- Touch screen YNLR
127 * CH6 -- Touch screen WIPER (5-wire only)
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-driver-hid-ntrig | 7 start of activity (activating touch).
16 acknowledging the end of activity (deactivating touch).
34 start processing touch events.
37 start processing touch events.
49 min_width (RW) Minimum touch contact width to decide
52 min_height (RW) Minimum touch contact height to decide
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| /Linux-v6.1/include/xen/interface/io/ |
| D | kbdif.h | 55 * feature-multi-touch
58 * Backends, which support reporting of multi-touch events
91 *----------------------- Multi-touch Device Parameters ----------------------
93 * multi-touch-num-contacts
98 * multi-touch-width
101 * Width of the touch area to be used by the frontend
104 * multi-touch-height
107 * Height of the touch area to be used by the frontend
126 * request-multi-touch
129 * Request backend to report multi-touch events.
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| /Linux-v6.1/Documentation/input/devices/ |
| D | elantech.rst | 26 5.2.2 One/Three finger touch
27 5.2.3 Two finger touch
31 6.2.1 One/Three finger touch
32 6.2.2 Two finger touch
54 and width of the touch. Hardware version 3 uses 6 bytes per packet (and
285 w = 1 when wide finger touch?
331 tw = 1 when two finger touch
332 th = 1 when three finger touch
333 f = 1 when finger touch
425 One/Three finger touch
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