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/linux/Documentation/devicetree/bindings/input/
H A Diqs626a.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
37 azoteq,suspend-mode:
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H A Dazoteq,iqs7222.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
21 - azoteq,iqs7222a
22 - azoteq,iqs7222b
23 - azoteq,iqs7222c
24 - azoteq,iqs7222d
29 irq-gpios:
32 Specifies the GPIO connected to the device's active-low RDY output.
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/linux/drivers/input/mouse/
H A Dcypress_ps2.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Cypress Trackpad PS/2 mouse driver
31 struct cytp_data *cytp = psmouse->private; in cypress_set_packet_size()
32 cytp->pkt_size = n; in cypress_set_packet_size()
40 struct ps2dev *ps2dev = &psmouse->ps2dev; in cypress_ps2_sendbyte()
46 "sending command 0x%02x failed, resp 0x%02x, error %d\n", in cypress_ps2_sendbyte()
47 cmd, ps2dev->nak, error); in cypress_ps2_sendbyte()
52 psmouse_dbg(psmouse, "sending command 0x%02x succeeded\n", cmd); in cypress_ps2_sendbyte()
60 struct ps2dev *ps2dev = &psmouse->ps2dev; in cypress_ps2_ext_cmd()
73 if (rc == -EAGAIN) { in cypress_ps2_ext_cmd()
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H A Dcypress_ps2.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 #define COMPOSIT(x, s) (((x) & CMD_BITS_MASK) << (s)) argument
27 #define CYTP_CMD_SET_MOUSE_SENSITIVITY(s) ENCODE_CMD(1, 3, ((s) >> 2), (s))
28 #define CYTP_CMD_MOUSE_SENSITIVITY_MASK ENCODE_CMD(1, 3, 0, 0)
30 #define CYTP_CMD_REQUEST_RECALIBRATION ENCODE_CMD(2, 0, 0, 3)
32 #define DECODE_CMD_AA(x) (((x) >> 6) & CMD_BITS_MASK) argument
33 #define DECODE_CMD_BB(x) (((x) >> 4) & CMD_BITS_MASK) argument
34 #define DECODE_CMD_CC(x) (((x) >> 2) & CMD_BITS_MASK) argument
35 #define DECODE_CMD_DD(x) ((x) & CMD_BITS_MASK) argument
37 /* Cypress trackpad working mode. */
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H A Dcyapa.h2 * Cypress APA trackpad with I2C interface
6 * Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
18 /* APA trackpad firmware generation number. */
20 #define CYAPA_GEN3 0x03 /* support MT-protocol B with tracking ID. */
21 #define CYAPA_GEN5 0x05 /* support TrueTouch GEN5 trackpad device. */
22 #define CYAPA_GEN6 0x06 /* support TrueTouch GEN6 trackpad device. */
24 #define CYAPA_NAME "Cypress APA Trackpad (cyapa)"
36 /* Commands for read/write registers of Cypress trackpad */
56 #define BL_STATUS_SIZE 3 /* Length of gen3 bootloader status registers */
63 * bit 6 - 4: Reserved
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H A Dbcm5974.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 * Scott Shawcroft as part of the touchd user-space driver project:
13 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
16 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
18 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
170 u8 rel_x; /* relative x coordinate */
174 /* trackpad header types */
176 TYPE1, /* plain trackpad */
177 TYPE2, /* button integrated in trackpad */
182 /* trackpad finger data offsets, le16-aligned */
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
25 includes the standard 2 or 3-button PS/2 mouse, as well as PS/2
99 Say Y here if you have a Cypress PS/2 Trackpad connected to
109 Say Y here if you have a Fujitsu B-series Lifebook PS/2
171 Say Y here if you have an OLPC XO-1 laptop (with built-in
193 this option, you remove the xf86-input-vmmouse user-space driver
194 or upgrade it to at least xf86-input-vmmouse 13.1.0, which doesn't
195 load in the presence of an in-kernel vmmouse driver.
207 Say Y here if you have a serial (RS-232, COM port) mouse connected
223 These are the touchpads that can be found on post-February 2005
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H A Dcyapa_gen5.c2 * Cypress APA trackpad with I2C interface
6 * Copyright (C) 2014-2015 Cypress Semiconductor, Inc.
21 #include <linux/crc-itu-t.h>
33 #define CYAPA_TSG_IMG_MAX_RECORDS (CYAPA_TSG_IMG_END_ROW_NUM - \
82 #define RECORD_EVENT_LIFTOFF 3
141 * Bit 7 - 3: reserved
142 * Bit 2 - 0: touch type;
146 * 3 - 15 : reserved.
154 * Bit 6 - 5: indicates an event associated with this touch instance
158 * 3 : liftoff (record reports last known coordinates)
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H A Dcyapa_gen6.c2 * Cypress APA trackpad with I2C interface
21 #include <linux/crc-itu-t.h>
105 return error ? error : -EIO; in cyapa_get_pip_fixed_info()
107 pip_info->family_id = resp_data[8]; in cyapa_get_pip_fixed_info()
108 pip_info->silicon_id_low = resp_data[10]; in cyapa_get_pip_fixed_info()
109 pip_info->silicon_id_high = resp_data[11]; in cyapa_get_pip_fixed_info()
121 return error ? error : -EIO; in cyapa_get_pip_fixed_info()
126 return -EINVAL; in cyapa_get_pip_fixed_info()
128 pip_info->family_id = resp_data[19]; in cyapa_get_pip_fixed_info()
129 pip_info->silicon_id_low = resp_data[21]; in cyapa_get_pip_fixed_info()
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H A Dcyapa_gen3.c2 * Cypress APA trackpad with I2C interface
9 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
10 * Copyright (C) 2011-2012 Google, Inc.
28 #define GEN3_FINGER_NUM(x) (((x) >> 4) & 0x07) argument
59 * CYAPA trackpad device states.
60 * Used in register 0x00, bit1-0, DeviceStatus field.
87 * high bits or x/y position value
88 * bit 7 - 4: high 4 bits of x position value
89 * bit 3 - 0: high 4 bits of y position value
92 u8 x_lo; /* low 8 bits of x position value. */
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H A Dtrackpoint.c1 // SPDX-License-Identifier: GPL-2.0-only
29 * Power-on Reset: Resets all trackpoint parameters, including RAM values,
31 * Returns zero on success, non-zero on failure.
42 /* Check for success response -- 0xAA00 */ in trackpoint_power_on_reset()
44 return -ENODEV; in trackpoint_power_on_reset()
61 u8 param[3] = { TP_WRITE_MEM, loc, val }; in trackpoint_write()
63 return ps2_command(ps2dev, param, MAKE_PS2_CMD(3, 0, TP_COMMAND)); in trackpoint_write()
68 u8 param[3] = { TP_TOGGLE, loc, mask }; in trackpoint_toggle_bit()
72 return -EINVAL; in trackpoint_toggle_bit()
74 return ps2_command(ps2dev, param, MAKE_PS2_CMD(3, 0, TP_COMMAND)); in trackpoint_toggle_bit()
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H A Dappletouch.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Apple USB Touchpad (for post-February 2005 PowerBooks and MacBooks) driver
5 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
6 * Copyright (C) 2005-2008 Johannes Berg (johannes@sipsolutions.net)
7 * Copyright (C) 2005-2008 Stelian Pop (stelian@popies.net)
8 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
10 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
12 * Copyright (C) 2007-2008 Sven Anders (anders@anduras.de)
26 * 0 <= x <= (xsensors - 1) * xfact
27 * 0 <= y <= (ysensors - 1) * yfact
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dazoteq,iqs7211.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Azoteq IQS7210A/7211A/E Trackpad/Touchscreen Controller
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS7210A, IQS7211A and IQS7211E trackpad and touchscreen control-
14 lers employ projected-capacitance sensing and can track two contacts.
21 - azoteq,iqs7210a
22 - azoteq,iqs7211a
23 - azoteq,iqs7211e
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/linux/drivers/input/misc/
H A Diqs626a.c1 // SPDX-License-Identifier: GPL-2.0+
8 * inductive keys as well as Hall-effect switches, and one for a trackpad that
45 #define IQS626_SYS_SETTINGS_PWR_MODE_MAX 3
58 #define IQS626_MISC_A_ATI_LP_ONLY BIT(3)
63 #define IQS626_EVENT_MASK_GESTURE BIT(3)
76 #define IQS626_MISC_B_RESEED_UI_SEL_MAX 3
79 #define IQS626_MISC_B_TPx_SWIPE BIT(3)
90 #define IQS626_CHx_ENG_0_DUAL_DIR BIT(3)
93 #define IQS626_CHx_ENG_0_ATI_MODE_MAX 3
99 #define IQS626_CHx_ENG_1_PROJ_BIAS_MAX 3
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H A Diqs7222.c1 // SPDX-License-Identifier: GPL-2.0-or-later
32 #define IQS7222_SYS_STATUS_RESET BIT(3)
71 #define IQS7222_MAX_COLS_CYCLE 3
72 #define IQS7222_MAX_COLS_GLBL 3
73 #define IQS7222_MAX_COLS_BTN 3
78 #define IQS7222_MAX_COLS_GPIO 3
116 [IQS7222_REG_GRP_CYCLE] = "cycle-%d",
117 [IQS7222_REG_GRP_CHAN] = "channel-%d",
118 [IQS7222_REG_GRP_SLDR] = "slider-%d",
119 [IQS7222_REG_GRP_TPAD] = "trackpad",
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/linux/drivers/hid/
H A Dhid-magicmouse.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 #include "hid-ids.h"
27 static int middle_button_start = -350;
39 return -EINVAL; in param_set_scroll_speed()
52 MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW …
67 * to be some kind of bit mask -- 0x20 may be a near-field reading,
76 /* Number of high-resolution events for each low-resolution detent. */
85 #define MOUSE_MIN_X -1100
87 #define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100))
89 #define MOUSE_MIN_Y -1589
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
22 most commonly used to refer to the USB-HID specification, but other
27 removed from the HID bus by the transport-layer drivers, such as
58 to work on raw hid events when they want to, and avoid using transport-specific
64 tristate "User-space I/O driver support for HID subsystem"
67 Say Y here if you want to provide HID I/O Drivers from user-space.
68 This allows to write I/O drivers in user-space and feed the data from
71 user-space device.
73 This driver cannot be used to parse HID-reports in user-space and write
74 special HID-drivers. You should use hidraw for that.
[all …]
/linux/drivers/platform/chrome/
H A Dchromeos_laptop.c1 // SPDX-License-Identifier: GPL-2.0+
85 const unsigned short addr_list[] = { info->addr, I2C_CLIENT_END }; in chromes_laptop_instantiate_i2c_device()
96 I2C_BOARD_INFO("dummy", info->addr), in chromes_laptop_instantiate_i2c_device()
106 pr_debug("%d-%02x is probed at %02x\n", in chromes_laptop_instantiate_i2c_device()
107 adapter->nr, info->addr, dummy->addr); in chromes_laptop_instantiate_i2c_device()
115 pr_debug("failed to register device %d-%02x\n", in chromes_laptop_instantiate_i2c_device()
116 adapter->nr, info->addr); in chromes_laptop_instantiate_i2c_device()
118 pr_debug("added i2c device %d-%02x\n", in chromes_laptop_instantiate_i2c_device()
119 adapter->nr, info->addr); in chromes_laptop_instantiate_i2c_device()
141 for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { in chromeos_laptop_check_adapter()
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/linux/drivers/macintosh/
H A Dadbhid.c1 // SPDX-License-Identifier: GPL-2.0
19 * - Standard 1 button mouse
20 * - All standard Apple Extended protocol (handler ID 4)
21 * - mouseman and trackman mice & trackballs
22 * - PowerBook Trackpad (default setup: enable tapping)
23 * - MicroSpeed mouse & trackball (needs testing)
24 * - CH Products Trackball Pro (needs testing)
25 * - Contour Design (Contour Mouse)
26 * - Hunter digital (NoHandsMouse)
27 * - Kensignton TurboMouse 5 (needs testing)
[all …]
H A Dadb.c1 // SPDX-License-Identifier: GPL-2.0
14 * - /sys/bus/adb to list the devices and infos
15 * - more /dev/adb to allow userland to receive the
16 * flow of auto-polling datas from a given device.
17 * - move bus probe to a kernel thread
119 printk("adb reply (%d)", req->reply_len);
120 for(i = 0; i < req->reply_len; i++)
121 printk(" %x", req->reply[i]);
151 * Send a "talk register 3" command to address i in adb_scan_bus()
162 adb_request(&req, NULL, ADBREQ_SYNC, 3, in adb_scan_bus()
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/linux/drivers/input/touchscreen/
H A Diqs7211.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Azoteq IQS7210A/7211A/E Trackpad/Touchscreen Controller
52 * The following delay is used during instances that must wait for the open-
98 [IQS7211_REG_GRP_TP] = "trackpad",
124 .name = "event-prox",
131 .name = "event-touch",
132 .mask = BIT(3),
138 .name = "event-tap",
145 .name = "event-hold",
152 .name = "event-swipe-x-neg",
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H A Diqs5xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Azoteq IQS550/572/525 Trackpad/Touchscreen Controller
7 * These devices require firmware exported from a PC-based configuration tool
11 * Link to PC-based configuration tool and datasheet: https://www.azoteq.com/
48 #define IQS5XX_ALP_REATI BIT(3)
70 #define IQS5XX_CHKSM_LEN (IQS5XX_APP - IQS5XX_CHKSM)
71 #define IQS5XX_APP_LEN (IQS5XX_CSTM - IQS5XX_APP)
72 #define IQS5XX_CSTM_LEN (IQS5XX_PMAP_END + 1 - IQS5XX_CSTM)
73 #define IQS5XX_PMAP_LEN (IQS5XX_PMAP_END + 1 - IQS5XX_CHKSM)
90 #define IQS5XX_BL_ATTEMPTS 3
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/linux/arch/arm/include/asm/hardware/
H A Dsa1111.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 * This file contains definitions for the SA-1111 Companion Chip.
8 * (Structure and naming borrowed from SA-1101.h, by Peter Danielsson.)
10 * Macro that calculates real address for registers in the SA-1111
37 #define SKCR_DOZE (1<<3)
50 * - The October 1999 errata (278260-007) says its bit 13, 1 to enable.
51 * - The Feb 2001 errata (278260-010) says that the previous errata
52 * (278260-009) is wrong, and its bit actually 12, fixed in spec
53 * 278242-003.
54 * - The SA1111 manual (278242) says bit 12, but 0 to enable.
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/linux/include/dt-bindings/input/
H A Dlinux-event-codes.h1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
6 * This file is not only included from C-code but also from devicetree source
9 * Copyright (c) 1999-2002 Vojtech Pavlik
61 #define SYN_DROPPED 3
71 * AC - Applicatio
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/linux/include/uapi/linux/
H A Dinput-event-codes.h1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
6 * This file is not only included from C-code but also from devicetree source
9 * Copyright (c) 1999-2002 Vojtech Pavlik
61 #define SYN_DROPPED 3
71 * AC - Application Control
72 * AL - Application Launch Button
73 * SC - System Control
79 #define KEY_2 3
308 outputs (Monitor/LCD/TV-out/etc) */
411 #define BTN_TOOL_QUINTTAP 0x148 /* Five fingers on trackpad */
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