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Merge branch 'next' into for-linus 

Prepare input updates for 5.1 merge window.
This commit is contained in:
Dmitry Torokhov 2019-03-03 23:14:44 -08:00
parent 7ad222b3ae 44466306eb
commit 65e91e2845
31 changed files with 1203 additions and 367 deletions
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9
Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
View File

@ -1,13 +1,19 @@
Samsung tm2-touchkey
Required properties:
- compatible: must be "cypress,tm2-touchkey"
- compatible:
* "cypress,tm2-touchkey" - for the touchkey found on the tm2 board
* "cypress,midas-touchkey" - for the touchkey found on midas boards
* "cypress,aries-touchkey" - for the touchkey found on aries boards
- reg: I2C address of the chip.
- interrupts: interrupt to which the chip is connected (see interrupt
binding[0]).
- vcc-supply : internal regulator output. 1.8V
- vdd-supply : power supply for IC 3.3V
Optional properties:
- linux,keycodes: array of keycodes (max 4), default KEY_PHONE and KEY_BACK
[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
Example:
@ -21,5 +27,6 @@ Example:
interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
vcc-supply=<&ldo32_reg>;
vdd-supply=<&ldo33_reg>;
linux,keycodes = <KEY_PHONE KEY_BACK>;
};
};

25
Documentation/devicetree/bindings/input/ilitek,ili2xxx.txt Normal file
View File

@ -0,0 +1,25 @@
Ilitek ILI210x/ILI251x touchscreen controller
Required properties:
- compatible:
ilitek,ili210x for ILI210x
ilitek,ili251x for ILI251x
- reg: The I2C address of the device
- interrupts: The sink for the touchscreen's IRQ output
See ../interrupt-controller/interrupts.txt
Optional properties for main touchpad device:
- reset-gpios: GPIO specifier for the touchscreen's reset pin (active low)
Example:
touchscreen@41 {
compatible = "ilitek,ili251x";
reg = <0x41>;
interrupt-parent = <&gpio4>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&gpio5 21 GPIO_ACTIVE_LOW>;
};

36
Documentation/devicetree/bindings/input/msm-vibrator.txt Normal file
View File

@ -0,0 +1,36 @@
* Device tree bindings for the Qualcomm MSM vibrator
Required properties:
- compatible: Should be one of
"qcom,msm8226-vibrator"
"qcom,msm8974-vibrator"
- reg: the base address and length of the IO memory for the registers.
- pinctrl-names: set to default.
- pinctrl-0: phandles pointing to pin configuration nodes. See
Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
- clock-names: set to pwm
- clocks: phandle of the clock. See
Documentation/devicetree/bindings/clock/clock-bindings.txt
- enable-gpios: GPIO that enables the vibrator.
Optional properties:
- vcc-supply: phandle to the regulator that provides power to the sensor.
Example from a LG Nexus 5 (hammerhead) phone:
vibrator@fd8c3450 {
reg = <0xfd8c3450 0x400>;
compatible = "qcom,msm8974-vibrator";
vcc-supply = <&pm8941_l19>;
clocks = <&mmcc CAMSS_GP1_CLK>;
clock-names = "pwm";
enable-gpios = <&msmgpio 60 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vibrator_pin>;
};

13
Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
View File

@ -1,11 +1,12 @@
FocalTech EDT-FT5x06 Polytouch driver
=====================================
There are 3 variants of the chip for various touch panel sizes
There are 5 variants of the chip for various touch panel sizes
FT5206GE1 2.8" .. 3.8"
FT5306DE4 4.3" .. 7"
FT5406EE8 7" .. 8.9"
FT5506EEG 7" .. 8.9"
FT5726NEI 5.7” .. 11.6"
The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@ -19,6 +20,7 @@ Required properties:
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
or: "edt,edt-ft5506"
or: "evervision,ev-ft5726"
or: "focaltech,ft6236"
- reg: I2C slave address of the chip (0x38)
@ -42,6 +44,15 @@ Optional properties:
- offset: allows setting the edge compensation in the range from
0 to 31.
- offset-x: Same as offset, but applies only to the horizontal position.
Range from 0 to 80, only supported by evervision,ev-ft5726
devices.
- offset-y: Same as offset, but applies only to the vertical position.
Range from 0 to 80, only supported by evervision,ev-ft5726
devices.
- touchscreen-size-x : See touchscreen.txt
- touchscreen-size-y : See touchscreen.txt
- touchscreen-fuzz-x : See touchscreen.txt

12
Documentation/devicetree/bindings/input/touchscreen/goodix.txt
View File

@ -3,6 +3,7 @@ Device tree bindings for Goodix GT9xx series touchscreen controller
Required properties:
- compatible : Should be "goodix,gt1151"
or "goodix,gt5688"
or "goodix,gt911"
or "goodix,gt9110"
or "goodix,gt912"
@ -18,11 +19,14 @@ Optional properties:
- irq-gpios : GPIO pin used for IRQ. The driver uses the
interrupt gpio pin as output to reset the device.
- reset-gpios : GPIO pin used for reset
- touchscreen-inverted-x
- touchscreen-inverted-y
- touchscreen-size-x
- touchscreen-size-y
- touchscreen-swapped-x-y
- touchscreen-inverted-x : X axis is inverted (boolean)
- touchscreen-inverted-y : Y axis is inverted (boolean)
- touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
(swapping is done after inverting the axis)
The touchscreen-* properties are documented in touchscreen.txt in this
directory.
Example:

8
Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
View File

@ -1,13 +1,17 @@
* Sitronix st1232 touchscreen controller
* Sitronix st1232 or st1633 touchscreen controller
Required properties:
- compatible: must be "sitronix,st1232"
- compatible: must contain one of
* "sitronix,st1232"
* "sitronix,st1633"
- reg: I2C address of the chip
- interrupts: interrupt to which the chip is connected
Optional properties:
- gpios: a phandle to the reset GPIO
For additional optional properties see: touchscreen.txt
Example:
i2c@00000000 {

10
Documentation/devicetree/bindings/input/touchscreen/sx8654.txt
View File

@ -1,10 +1,17 @@
* Semtech SX8654 I2C Touchscreen Controller
Required properties:
- compatible: must be "semtech,sx8654"
- compatible: must be one of the following, depending on the model:
"semtech,sx8650"
"semtech,sx8654"
"semtech,sx8655"
"semtech,sx8656"
- reg: i2c slave address
- interrupts: touch controller interrupt
Optional properties:
- reset-gpios: GPIO specification for the NRST input
Example:
sx8654@48 {
@ -12,4 +19,5 @@ Example:
reg = <0x48>;
interrupt-parent = <&gpio6>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
};

2
drivers/input/joystick/db9.c
View File

@ -259,7 +259,7 @@ static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char
db9_saturn_write_sub(port, type, 3, powered, 0);
return data[0] = 0xe3;
}
/* else: fall through */
/* fall through */
default:
return data[0];
}

10
drivers/input/keyboard/gpio_keys.c
View File

@ -1015,8 +1015,18 @@ static int __maybe_unused gpio_keys_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(gpio_keys_pm_ops, gpio_keys_suspend, gpio_keys_resume);
static void gpio_keys_shutdown(struct platform_device *pdev)
{
int ret;
ret = gpio_keys_suspend(&pdev->dev);
if (ret)
dev_err(&pdev->dev, "failed to shutdown\n");
}
static struct platform_driver gpio_keys_device_driver = {
.probe = gpio_keys_probe,
.shutdown = gpio_keys_shutdown,
.driver = {
.name = "gpio-keys",
.pm = &gpio_keys_pm_ops,

5
drivers/input/keyboard/mcs_touchkey.c
View File

@ -113,9 +113,8 @@ static int mcs_touchkey_probe(struct i2c_client *client,
return -EINVAL;
}
data = kzalloc(sizeof(struct mcs_touchkey_data) +
sizeof(data->keycodes[0]) * (pdata->key_maxval + 1),
GFP_KERNEL);
data = kzalloc(struct_size(data, keycodes, pdata->key_maxval + 1),
GFP_KERNEL);
input_dev = input_allocate_device();
if (!data || !input_dev) {
dev_err(&client->dev, "Failed to allocate memory\n");

13
drivers/input/keyboard/mtk-pmic-keys.c
View File

@ -14,18 +14,17 @@
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/mfd/mt6323/registers.h>
#include <linux/mfd/mt6397/registers.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/mfd/mt6397/registers.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#define MTK_PMIC_PWRKEY_RST_EN_MASK 0x1
#define MTK_PMIC_PWRKEY_RST_EN_SHIFT 6

9
drivers/input/keyboard/qt2160.c
View File

@ -68,7 +68,6 @@ struct qt2160_data {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work dwork;
spinlock_t lock; /* Protects canceling/rescheduling of dwork */
unsigned short keycodes[ARRAY_SIZE(qt2160_key2code)];
u16 key_matrix;
#ifdef CONFIG_LEDS_CLASS
@ -212,22 +211,15 @@ static int qt2160_get_key_matrix(struct qt2160_data *qt2160)
static irqreturn_t qt2160_irq(int irq, void *_qt2160)
{
struct qt2160_data *qt2160 = _qt2160;
unsigned long flags;
spin_lock_irqsave(&qt2160->lock, flags);
mod_delayed_work(system_wq, &qt2160->dwork, 0);
spin_unlock_irqrestore(&qt2160->lock, flags);
return IRQ_HANDLED;
}
static void qt2160_schedule_read(struct qt2160_data *qt2160)
{
spin_lock_irq(&qt2160->lock);
schedule_delayed_work(&qt2160->dwork, QT2160_CYCLE_INTERVAL);
spin_unlock_irq(&qt2160->lock);
}
static void qt2160_worker(struct work_struct *work)
@ -391,7 +383,6 @@ static int qt2160_probe(struct i2c_client *client,
qt2160->client = client;
qt2160->input = input;
INIT_DELAYED_WORK(&qt2160->dwork, qt2160_worker);
spin_lock_init(&qt2160->lock);
input->name = "AT42QT2160 Touch Sense Keyboard";
input->id.bustype = BUS_I2C;

4
drivers/input/keyboard/tca6416-keypad.c
View File

@ -219,9 +219,7 @@ static int tca6416_keypad_probe(struct i2c_client *client,
return -EINVAL;
}
chip = kzalloc(sizeof(struct tca6416_keypad_chip) +
pdata->nbuttons * sizeof(struct tca6416_button),
GFP_KERNEL);
chip = kzalloc(struct_size(chip, buttons, pdata->nbuttons), GFP_KERNEL);
input = input_allocate_device();
if (!chip || !input) {
error = -ENOMEM;

134
drivers/input/keyboard/tm2-touchkey.c
View File

@ -22,12 +22,14 @@
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/regulator/consumer.h>
#define TM2_TOUCHKEY_DEV_NAME "tm2-touchkey"
#define TM2_TOUCHKEY_KEYCODE_REG 0x03
#define TM2_TOUCHKEY_BASE_REG 0x00
#define ARIES_TOUCHKEY_CMD_LED_ON 0x1
#define ARIES_TOUCHKEY_CMD_LED_OFF 0x2
#define TM2_TOUCHKEY_CMD_LED_ON 0x10
#define TM2_TOUCHKEY_CMD_LED_OFF 0x20
#define TM2_TOUCHKEY_BIT_PRESS_EV BIT(3)
@ -35,9 +37,13 @@
#define TM2_TOUCHKEY_LED_VOLTAGE_MIN 2500000
#define TM2_TOUCHKEY_LED_VOLTAGE_MAX 3300000
enum {
TM2_TOUCHKEY_KEY_MENU = 0x1,
TM2_TOUCHKEY_KEY_BACK,
struct touchkey_variant {
u8 keycode_reg;
u8 base_reg;
u8 cmd_led_on;
u8 cmd_led_off;
bool no_reg;
bool fixed_regulator;
};
struct tm2_touchkey_data {
@ -46,9 +52,33 @@ struct tm2_touchkey_data {
struct led_classdev led_dev;
struct regulator *vdd;
struct regulator_bulk_data regulators[2];
const struct touchkey_variant *variant;
u32 keycodes[4];
int num_keycodes;
};
static void tm2_touchkey_led_brightness_set(struct led_classdev *led_dev,
static const struct touchkey_variant tm2_touchkey_variant = {
.keycode_reg = 0x03,
.base_reg = 0x00,
.cmd_led_on = TM2_TOUCHKEY_CMD_LED_ON,
.cmd_led_off = TM2_TOUCHKEY_CMD_LED_OFF,
};
static const struct touchkey_variant midas_touchkey_variant = {
.keycode_reg = 0x00,
.base_reg = 0x00,
.cmd_led_on = TM2_TOUCHKEY_CMD_LED_ON,
.cmd_led_off = TM2_TOUCHKEY_CMD_LED_OFF,
};
static struct touchkey_variant aries_touchkey_variant = {
.no_reg = true,
.fixed_regulator = true,
.cmd_led_on = ARIES_TOUCHKEY_CMD_LED_ON,
.cmd_led_off = ARIES_TOUCHKEY_CMD_LED_OFF,
};
static int tm2_touchkey_led_brightness_set(struct led_classdev *led_dev,
enum led_brightness brightness)
{
struct tm2_touchkey_data *touchkey =
@ -58,15 +88,19 @@ static void tm2_touchkey_led_brightness_set(struct led_classdev *led_dev,
if (brightness == LED_OFF) {
volt = TM2_TOUCHKEY_LED_VOLTAGE_MIN;
data = TM2_TOUCHKEY_CMD_LED_OFF;
data = touchkey->variant->cmd_led_off;
} else {
volt = TM2_TOUCHKEY_LED_VOLTAGE_MAX;
data = TM2_TOUCHKEY_CMD_LED_ON;
data = touchkey->variant->cmd_led_on;
}
regulator_set_voltage(touchkey->vdd, volt, volt);
i2c_smbus_write_byte_data(touchkey->client,
TM2_TOUCHKEY_BASE_REG, data);
if (!touchkey->variant->fixed_regulator)
regulator_set_voltage(touchkey->vdd, volt, volt);
return touchkey->variant->no_reg ?
i2c_smbus_write_byte(touchkey->client, data) :
i2c_smbus_write_byte_data(touchkey->client,
touchkey->variant->base_reg, data);
}
static int tm2_touchkey_power_enable(struct tm2_touchkey_data *touchkey)
@ -96,49 +130,57 @@ static irqreturn_t tm2_touchkey_irq_handler(int irq, void *devid)
{
struct tm2_touchkey_data *touchkey = devid;
int data;
int key;
int index;
int i;
data = i2c_smbus_read_byte_data(touchkey->client,
TM2_TOUCHKEY_KEYCODE_REG);
if (touchkey->variant->no_reg)
data = i2c_smbus_read_byte(touchkey->client);
else
data = i2c_smbus_read_byte_data(touchkey->client,
touchkey->variant->keycode_reg);
if (data < 0) {
dev_err(&touchkey->client->dev,
"failed to read i2c data: %d\n", data);
goto out;
}
switch (data & TM2_TOUCHKEY_BIT_KEYCODE) {
case TM2_TOUCHKEY_KEY_MENU:
key = KEY_PHONE;
break;
case TM2_TOUCHKEY_KEY_BACK:
key = KEY_BACK;
break;
default:
index = (data & TM2_TOUCHKEY_BIT_KEYCODE) - 1;
if (index < 0 || index >= touchkey->num_keycodes) {
dev_warn(&touchkey->client->dev,
"unhandled keycode, data %#02x\n", data);
"invalid keycode index %d\n", index);
goto out;
}
if (data & TM2_TOUCHKEY_BIT_PRESS_EV) {
input_report_key(touchkey->input_dev, KEY_PHONE, 0);
input_report_key(touchkey->input_dev, KEY_BACK, 0);
for (i = 0; i < touchkey->num_keycodes; i++)
input_report_key(touchkey->input_dev,
touchkey->keycodes[i], 0);
} else {
input_report_key(touchkey->input_dev, key, 1);
input_report_key(touchkey->input_dev,
touchkey->keycodes[index], 1);
}
input_sync(touchkey->input_dev);
out:
if (touchkey->variant->fixed_regulator &&
data & TM2_TOUCHKEY_BIT_PRESS_EV) {
/* touch turns backlight on, so make sure we're in sync */
if (touchkey->led_dev.brightness == LED_OFF)
tm2_touchkey_led_brightness_set(&touchkey->led_dev,
LED_OFF);
}
return IRQ_HANDLED;
}
static int tm2_touchkey_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device_node *np = client->dev.of_node;
struct tm2_touchkey_data *touchkey;
int error;
int i;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA)) {
@ -153,6 +195,8 @@ static int tm2_touchkey_probe(struct i2c_client *client,
touchkey->client = client;
i2c_set_clientdata(client, touchkey);
touchkey->variant = of_device_get_match_data(&client->dev);
touchkey->regulators[0].supply = "vcc";
touchkey->regulators[1].supply = "vdd";
error = devm_regulator_bulk_get(&client->dev,
@ -166,6 +210,16 @@ static int tm2_touchkey_probe(struct i2c_client *client,
/* Save VDD for easy access */
touchkey->vdd = touchkey->regulators[1].consumer;
touchkey->num_keycodes = of_property_read_variable_u32_array(np,
"linux,keycodes", touchkey->keycodes, 0,
ARRAY_SIZE(touchkey->keycodes));
if (touchkey->num_keycodes <= 0) {
/* default keycodes */
touchkey->keycodes[0] = KEY_PHONE;
touchkey->keycodes[1] = KEY_BACK;
touchkey->num_keycodes = 2;
}
error = tm2_touchkey_power_enable(touchkey);
if (error) {
dev_err(&client->dev, "failed to power up device: %d\n", error);
@ -190,8 +244,9 @@ static int tm2_touchkey_probe(struct i2c_client *client,
touchkey->input_dev->name = TM2_TOUCHKEY_DEV_NAME;
touchkey->input_dev->id.bustype = BUS_I2C;
input_set_capability(touchkey->input_dev, EV_KEY, KEY_PHONE);
input_set_capability(touchkey->input_dev, EV_KEY, KEY_BACK);
for (i = 0; i < touchkey->num_keycodes; i++)
input_set_capability(touchkey->input_dev, EV_KEY,
touchkey->keycodes[i]);
error = input_register_device(touchkey->input_dev);
if (error) {
@ -212,9 +267,10 @@ static int tm2_touchkey_probe(struct i2c_client *client,
/* led device */
touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME;
touchkey->led_dev.brightness = LED_FULL;
touchkey->led_dev.brightness = LED_ON;
touchkey->led_dev.max_brightness = LED_ON;
touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set;
touchkey->led_dev.brightness_set_blocking =
tm2_touchkey_led_brightness_set;
error = devm_led_classdev_register(&client->dev, &touchkey->led_dev);
if (error) {
@ -223,6 +279,9 @@ static int tm2_touchkey_probe(struct i2c_client *client,
return error;
}
if (touchkey->variant->fixed_regulator)
tm2_touchkey_led_brightness_set(&touchkey->led_dev, LED_ON);
return 0;
}
@ -262,7 +321,16 @@ static const struct i2c_device_id tm2_touchkey_id_table[] = {
MODULE_DEVICE_TABLE(i2c, tm2_touchkey_id_table);
static const struct of_device_id tm2_touchkey_of_match[] = {
{ .compatible = "cypress,tm2-touchkey", },
{
.compatible = "cypress,tm2-touchkey",
.data = &tm2_touchkey_variant,
}, {
.compatible = "cypress,midas-touchkey",
.data = &midas_touchkey_variant,
}, {
.compatible = "cypress,aries-touchkey",
.data = &aries_touchkey_variant,
},
{ },
};
MODULE_DEVICE_TABLE(of, tm2_touchkey_of_match);

10
drivers/input/misc/Kconfig
View File

@ -117,6 +117,16 @@ config INPUT_E3X0_BUTTON
To compile this driver as a module, choose M here: the
module will be called e3x0_button.
config INPUT_MSM_VIBRATOR
tristate "Qualcomm MSM vibrator driver"
select INPUT_FF_MEMLESS
help
Support for the vibrator that is found on various Qualcomm MSM
SOCs.
To compile this driver as a module, choose M here: the module
will be called msm_vibrator.
config INPUT_PCSPKR
tristate "PC Speaker support"
depends on PCSPKR_PLATFORM

1
drivers/input/misc/Makefile
View File

@ -48,6 +48,7 @@ obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o
obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o
obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o
obj-$(CONFIG_INPUT_MMA8450) += mma8450.o
obj-$(CONFIG_INPUT_MSM_VIBRATOR) += msm-vibrator.o
obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON) += palmas-pwrbutton.o
obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o

27
drivers/input/misc/ims-pcu.c
View File

@ -39,8 +39,6 @@ struct ims_pcu_gamepad {
struct ims_pcu_backlight {
struct led_classdev cdev;
struct work_struct work;
enum led_brightness desired_brightness;
char name[32];
};
@ -949,14 +947,14 @@ out:
#define IMS_PCU_MAX_BRIGHTNESS 31998
static void ims_pcu_backlight_work(struct work_struct *work)
static int ims_pcu_backlight_set_brightness(struct led_classdev *cdev,
enum led_brightness value)
{
struct ims_pcu_backlight *backlight =
container_of(work, struct ims_pcu_backlight, work);
container_of(cdev, struct ims_pcu_backlight, cdev);
struct ims_pcu *pcu =
container_of(backlight, struct ims_pcu, backlight);
int desired_brightness = backlight->desired_brightness;
__le16 br_val = cpu_to_le16(desired_brightness);
__le16 br_val = cpu_to_le16(value);
int error;
mutex_lock(&pcu->cmd_mutex);
@ -966,19 +964,11 @@ static void ims_pcu_backlight_work(struct work_struct *work)
if (error && error != -ENODEV)
dev_warn(pcu->dev,
"Failed to set desired brightness %u, error: %d\n",
desired_brightness, error);
value, error);
mutex_unlock(&pcu->cmd_mutex);
}
static void ims_pcu_backlight_set_brightness(struct led_classdev *cdev,
enum led_brightness value)
{
struct ims_pcu_backlight *backlight =
container_of(cdev, struct ims_pcu_backlight, cdev);
backlight->desired_brightness = value;
schedule_work(&backlight->work);
return error;
}
static enum led_brightness
@ -1015,14 +1005,14 @@ static int ims_pcu_setup_backlight(struct ims_pcu *pcu)
struct ims_pcu_backlight *backlight = &pcu->backlight;
int error;
INIT_WORK(&backlight->work, ims_pcu_backlight_work);
snprintf(backlight->name, sizeof(backlight->name),
"pcu%d::kbd_backlight", pcu->device_no);
backlight->cdev.name = backlight->name;
backlight->cdev.max_brightness = IMS_PCU_MAX_BRIGHTNESS;
backlight->cdev.brightness_get = ims_pcu_backlight_get_brightness;
backlight->cdev.brightness_set = ims_pcu_backlight_set_brightness;
backlight->cdev.brightness_set_blocking =
ims_pcu_backlight_set_brightness;
error = led_classdev_register(pcu->dev, &backlight->cdev);
if (error) {
@ -1040,7 +1030,6 @@ static void ims_pcu_destroy_backlight(struct ims_pcu *pcu)
struct ims_pcu_backlight *backlight = &pcu->backlight;
led_classdev_unregister(&backlight->cdev);
cancel_work_sync(&backlight->work);
}

281
drivers/input/misc/msm-vibrator.c Normal file
View File

@ -0,0 +1,281 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Qualcomm MSM vibrator driver
*
* Copyright (c) 2018 Brian Masney <masneyb@onstation.org>
*
* Based on qcom,pwm-vibrator.c from:
* Copyright (c) 2018 Jonathan Marek <jonathan@marek.ca>
*
* Based on msm_pwm_vibrator.c from downstream Android sources:
* Copyright (C) 2009-2014 LGE, Inc.
*/
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#define REG_CMD_RCGR 0x00
#define REG_CFG_RCGR 0x04
#define REG_M 0x08
#define REG_N 0x0C
#define REG_D 0x10
#define REG_CBCR 0x24
#define MMSS_CC_M_DEFAULT 1
struct msm_vibrator {
struct input_dev *input;
struct mutex mutex;
struct work_struct worker;
void __iomem *base;
struct regulator *vcc;
struct clk *clk;
struct gpio_desc *enable_gpio;
u16 magnitude;
bool enabled;
};
static void msm_vibrator_write(struct msm_vibrator *vibrator, int offset,
u32 value)
{
writel(value, vibrator->base + offset);
}
static int msm_vibrator_start(struct msm_vibrator *vibrator)
{
int d_reg_val, ret = 0;
mutex_lock(&vibrator->mutex);
if (!vibrator->enabled) {
ret = clk_set_rate(vibrator->clk, 24000);
if (ret) {
dev_err(&vibrator->input->dev,
"Failed to set clock rate: %d\n", ret);
goto unlock;
}
ret = clk_prepare_enable(vibrator->clk);
if (ret) {
dev_err(&vibrator->input->dev,
"Failed to enable clock: %d\n", ret);
goto unlock;
}
ret = regulator_enable(vibrator->vcc);
if (ret) {
dev_err(&vibrator->input->dev,
"Failed to enable regulator: %d\n", ret);
clk_disable(vibrator->clk);
goto unlock;
}
gpiod_set_value_cansleep(vibrator->enable_gpio, 1);
vibrator->enabled = true;
}
d_reg_val = 127 - ((126 * vibrator->magnitude) / 0xffff);
msm_vibrator_write(vibrator, REG_CFG_RCGR,
(2 << 12) | /* dual edge mode */
(0 << 8) | /* cxo */
(7 << 0));
msm_vibrator_write(vibrator, REG_M, 1);
msm_vibrator_write(vibrator, REG_N, 128);
msm_vibrator_write(vibrator, REG_D, d_reg_val);
msm_vibrator_write(vibrator, REG_CMD_RCGR, 1);
msm_vibrator_write(vibrator, REG_CBCR, 1);
unlock:
mutex_unlock(&vibrator->mutex);
return ret;
}
static void msm_vibrator_stop(struct msm_vibrator *vibrator)
{
mutex_lock(&vibrator->mutex);
if (vibrator->enabled) {
gpiod_set_value_cansleep(vibrator->enable_gpio, 0);
regulator_disable(vibrator->vcc);
clk_disable(vibrator->clk);
vibrator->enabled = false;
}
mutex_unlock(&vibrator->mutex);
}
static void msm_vibrator_worker(struct work_struct *work)
{
struct msm_vibrator *vibrator = container_of(work,
struct msm_vibrator,
worker);
if (vibrator->magnitude)
msm_vibrator_start(vibrator);
else
msm_vibrator_stop(vibrator);
}
static int msm_vibrator_play_effect(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
struct msm_vibrator *vibrator = input_get_drvdata(dev);
mutex_lock(&vibrator->mutex);
if (effect->u.rumble.strong_magnitude > 0)
vibrator->magnitude = effect->u.rumble.strong_magnitude;
else
vibrator->magnitude = effect->u.rumble.weak_magnitude;
mutex_unlock(&vibrator->mutex);
schedule_work(&vibrator->worker);
return 0;
}
static void msm_vibrator_close(struct input_dev *input)
{
struct msm_vibrator *vibrator = input_get_drvdata(input);
cancel_work_sync(&vibrator->worker);
msm_vibrator_stop(vibrator);
}
static int msm_vibrator_probe(struct platform_device *pdev)
{
struct msm_vibrator *vibrator;
struct resource *res;
int ret;
vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);
if (!vibrator)
return -ENOMEM;
vibrator->input = devm_input_allocate_device(&pdev->dev);
if (!vibrator->input)
return -ENOMEM;
vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
if (IS_ERR(vibrator->vcc)) {
if (PTR_ERR(vibrator->vcc) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Failed to get regulator: %ld\n",
PTR_ERR(vibrator->vcc));
return PTR_ERR(vibrator->vcc);
}
vibrator->enable_gpio = devm_gpiod_get(&pdev->dev, "enable",
GPIOD_OUT_LOW);
if (IS_ERR(vibrator->enable_gpio)) {
if (PTR_ERR(vibrator->enable_gpio) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Failed to get enable gpio: %ld\n",
PTR_ERR(vibrator->enable_gpio));
return PTR_ERR(vibrator->enable_gpio);
}
vibrator->clk = devm_clk_get(&pdev->dev, "pwm");
if (IS_ERR(vibrator->clk)) {
if (PTR_ERR(vibrator->clk) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Failed to lookup pwm clock: %ld\n",
PTR_ERR(vibrator->clk));
return PTR_ERR(vibrator->clk);
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "Failed to get platform resource\n");
return -ENODEV;
}
vibrator->base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!vibrator->base) {
dev_err(&pdev->dev, "Failed to iomap resource.\n");
return -ENOMEM;
}
vibrator->enabled = false;
mutex_init(&vibrator->mutex);
INIT_WORK(&vibrator->worker, msm_vibrator_worker);
vibrator->input->name = "msm-vibrator";
vibrator->input->id.bustype = BUS_HOST;
vibrator->input->close = msm_vibrator_close;
input_set_drvdata(vibrator->input, vibrator);
input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);
ret = input_ff_create_memless(vibrator->input, NULL,
msm_vibrator_play_effect);
if (ret) {
dev_err(&pdev->dev, "Failed to create ff memless: %d", ret);
return ret;
}
ret = input_register_device(vibrator->input);
if (ret) {
dev_err(&pdev->dev, "Failed to register input device: %d", ret);
return ret;
}
platform_set_drvdata(pdev, vibrator);
return 0;
}
static int __maybe_unused msm_vibrator_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct msm_vibrator *vibrator = platform_get_drvdata(pdev);
cancel_work_sync(&vibrator->worker);
if (vibrator->enabled)
msm_vibrator_stop(vibrator);
return 0;
}
static int __maybe_unused msm_vibrator_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct msm_vibrator *vibrator = platform_get_drvdata(pdev);
if (vibrator->enabled)
msm_vibrator_start(vibrator);
return 0;
}
static SIMPLE_DEV_PM_OPS(msm_vibrator_pm_ops, msm_vibrator_suspend,
msm_vibrator_resume);
static const struct of_device_id msm_vibrator_of_match[] = {
{ .compatible = "qcom,msm8226-vibrator" },
{ .compatible = "qcom,msm8974-vibrator" },
{},
};
MODULE_DEVICE_TABLE(of, msm_vibrator_of_match);
static struct platform_driver msm_vibrator_driver = {
.probe = msm_vibrator_probe,
.driver = {
.name = "msm-vibrator",
.pm = &msm_vibrator_pm_ops,
.of_match_table = of_match_ptr(msm_vibrator_of_match),
},
};
module_platform_driver(msm_vibrator_driver);
MODULE_AUTHOR("Brian Masney <masneyb@onstation.org>");
MODULE_DESCRIPTION("Qualcomm MSM vibrator driver");
MODULE_LICENSE("GPL");

6
drivers/input/misc/soc_button_array.c
View File

@ -185,6 +185,10 @@ static int soc_button_parse_btn_desc(struct device *dev,
info->name = "power";
info->event_code = KEY_POWER;
info->wakeup = true;
} else if (upage == 0x01 && usage == 0xca) {
info->name = "rotation lock switch";
info->event_type = EV_SW;
info->event_code = SW_ROTATE_LOCK;
} else if (upage == 0x07 && usage == 0xe3) {
info->name = "home";
info->event_code = KEY_LEFTMETA;
@ -373,7 +377,7 @@ static struct soc_button_info soc_button_PNP0C40[] = {
{ "home", 1, EV_KEY, KEY_LEFTMETA, false, true },
{ "volume_up", 2, EV_KEY, KEY_VOLUMEUP, true, false },
{ "volume_down", 3, EV_KEY, KEY_VOLUMEDOWN, true, false },
{ "rotation_lock", 4, EV_SW, SW_ROTATE_LOCK, false, false },
{ "rotation_lock", 4, EV_KEY, KEY_ROTATE_LOCK_TOGGLE, false, false },
{ }
};

22
drivers/input/mouse/synaptics_i2c.c
View File

@ -219,7 +219,6 @@ struct synaptics_i2c {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work dwork;
spinlock_t lock;
int no_data_count;
int no_decel_param;
int reduce_report_param;
@ -369,23 +368,11 @@ static bool synaptics_i2c_get_input(struct synaptics_i2c *touch)
return xy_delta || gesture;
}
static void synaptics_i2c_reschedule_work(struct synaptics_i2c *touch,
unsigned long delay)
{
unsigned long flags;
spin_lock_irqsave(&touch->lock, flags);
mod_delayed_work(system_wq, &touch->dwork, delay);
spin_unlock_irqrestore(&touch->lock, flags);
}
static irqreturn_t synaptics_i2c_irq(int irq, void *dev_id)
{
struct synaptics_i2c *touch = dev_id;
synaptics_i2c_reschedule_work(touch, 0);
mod_delayed_work(system_wq, &touch->dwork, 0);
return IRQ_HANDLED;
}
@ -461,7 +448,7 @@ static void synaptics_i2c_work_handler(struct work_struct *work)
* We poll the device once in THREAD_IRQ_SLEEP_SECS and
* if error is detected, we try to reset and reconfigure the touchpad.
*/
synaptics_i2c_reschedule_work(touch, delay);
mod_delayed_work(system_wq, &touch->dwork, delay);
}
static int synaptics_i2c_open(struct input_dev *input)
@ -474,7 +461,7 @@ static int synaptics_i2c_open(struct input_dev *input)
return ret;
if (polling_req)
synaptics_i2c_reschedule_work(touch,
mod_delayed_work(system_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;
@ -530,7 +517,6 @@ static struct synaptics_i2c *synaptics_i2c_touch_create(struct i2c_client *clien
touch->scan_rate_param = scan_rate;
set_scan_rate(touch, scan_rate);
INIT_DELAYED_WORK(&touch->dwork, synaptics_i2c_work_handler);
spin_lock_init(&touch->lock);
return touch;
}
@ -637,7 +623,7 @@ static int __maybe_unused synaptics_i2c_resume(struct device *dev)
if (ret)
return ret;
synaptics_i2c_reschedule_work(touch,
mod_delayed_work(system_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;

21
drivers/input/serio/i8042-sparcio.h
View File

@ -53,12 +53,11 @@ static struct resource *kbd_res;
static int sparc_i8042_probe(struct platform_device *op)
{
struct device_node *dp = op->dev.of_node;
struct device_node *dp;
dp = dp->child;
while (dp) {
if (!strcmp(dp->name, OBP_PS2KBD_NAME1) ||
!strcmp(dp->name, OBP_PS2KBD_NAME2)) {
for_each_child_of_node(op->dev.of_node, dp) {
if (of_node_name_eq(dp, OBP_PS2KBD_NAME1) ||
of_node_name_eq(dp, OBP_PS2KBD_NAME2)) {
struct platform_device *kbd = of_find_device_by_node(dp);
unsigned int irq = kbd->archdata.irqs[0];
if (irq == 0xffffffff)
@ -67,16 +66,14 @@ static int sparc_i8042_probe(struct platform_device *op)
kbd_iobase = of_ioremap(&kbd->resource[0],
0, 8, "kbd");
kbd_res = &kbd->resource[0];
} else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
!strcmp(dp->name, OBP_PS2MS_NAME2)) {
} else if (of_node_name_eq(dp, OBP_PS2MS_NAME1) ||
of_node_name_eq(dp, OBP_PS2MS_NAME2)) {
struct platform_device *ms = of_find_device_by_node(dp);
unsigned int irq = ms->archdata.irqs[0];
if (irq == 0xffffffff)
irq = op->archdata.irqs[0];
i8042_aux_irq = irq;
}
dp = dp->sibling;
}
return 0;
@ -109,8 +106,9 @@ static struct platform_driver sparc_i8042_driver = {
static int __init i8042_platform_init(void)
{
struct device_node *root = of_find_node_by_path("/");
const char *name = of_get_property(root, "name", NULL);
if (!strcmp(root->name, "SUNW,JavaStation-1")) {
if (name && !strcmp(name, "SUNW,JavaStation-1")) {
/* Hardcoded values for MrCoffee. */
i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
kbd_iobase = ioremap(0x71300060, 8);
@ -139,8 +137,9 @@ static int __init i8042_platform_init(void)
static inline void i8042_platform_exit(void)
{
struct device_node *root = of_find_node_by_path("/");
const char *name = of_get_property(root, "name", NULL);
if (strcmp(root->name, "SUNW,JavaStation-1"))
if (!name || strcmp(name, "SUNW,JavaStation-1"))
platform_driver_unregister(&sparc_i8042_driver);
}

6
drivers/input/touchscreen/Kconfig
View File

@ -1168,11 +1168,11 @@ config TOUCHSCREEN_SIS_I2C
module will be called sis_i2c.
config TOUCHSCREEN_ST1232
tristate "Sitronix ST1232 touchscreen controllers"
tristate "Sitronix ST1232 or ST1633 touchscreen controllers"
depends on I2C
help
Say Y here if you want to support Sitronix ST1232
touchscreen controller.
Say Y here if you want to support the Sitronix ST1232
or ST1633 touchscreen controller.
If unsure, say N.

11
drivers/input/touchscreen/ad7879.c
View File

@ -246,11 +246,14 @@ static void ad7879_timer(struct timer_list *t)
static irqreturn_t ad7879_irq(int irq, void *handle)
{
struct ad7879 *ts = handle;
int error;
regmap_bulk_read(ts->regmap, AD7879_REG_XPLUS,
ts->conversion_data, AD7879_NR_SENSE);
if (!ad7879_report(ts))
error = regmap_bulk_read(ts->regmap, AD7879_REG_XPLUS,
ts->conversion_data, AD7879_NR_SENSE);
if (error)
dev_err_ratelimited(ts->dev, "failed to read %#02x: %d\n",
AD7879_REG_XPLUS, error);
else if (!ad7879_report(ts))
mod_timer(&ts->timer, jiffies + TS_PEN_UP_TIMEOUT);
return IRQ_HANDLED;

110
drivers/input/touchscreen/edt-ft5x06.c
View File

@ -31,6 +31,7 @@
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
@ -53,6 +54,11 @@
#define M09_REGISTER_NUM_X 0x94
#define M09_REGISTER_NUM_Y 0x95
#define EV_REGISTER_THRESHOLD 0x40
#define EV_REGISTER_GAIN 0x41
#define EV_REGISTER_OFFSET_Y 0x45
#define EV_REGISTER_OFFSET_X 0x46
#define NO_REGISTER 0xff
#define WORK_REGISTER_OPMODE 0x3c
@ -73,6 +79,7 @@ enum edt_ver {
EDT_M06,
EDT_M09,
EDT_M12,
EV_FT,
GENERIC_FT,
};
@ -81,6 +88,8 @@ struct edt_reg_addr {
int reg_report_rate;
int reg_gain;
int reg_offset;
int reg_offset_x;
int reg_offset_y;
int reg_num_x;
int reg_num_y;
};
@ -106,6 +115,8 @@ struct edt_ft5x06_ts_data {
int threshold;
int gain;
int offset;
int offset_x;
int offset_y;
int report_rate;
int max_support_points;
@ -190,6 +201,7 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
case EDT_M09:
case EDT_M12:
case EV_FT:
case GENERIC_FT:
cmd = 0x0;
offset = 3;
@ -242,6 +254,10 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
x = ((buf[0] << 8) | buf[1]) & 0x0fff;
y = ((buf[2] << 8) | buf[3]) & 0x0fff;
/* The FT5x26 send the y coordinate first */
if (tsdata->version == EV_FT)
swap(x, y);
id = (buf[2] >> 4) & 0x0f;
down = type != TOUCH_EVENT_UP;
@ -275,8 +291,10 @@ static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,
wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2];
return edt_ft5x06_ts_readwrite(tsdata->client, 4,
wrbuf, 0, NULL);
/* fallthrough */
case EDT_M09:
case EDT_M12:
case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
wrbuf[1] = value;
@ -315,8 +333,10 @@ static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,
}
break;
/* fallthrough */
case EDT_M09:
case EDT_M12:
case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
error = edt_ft5x06_ts_readwrite(tsdata->client, 1,
@ -339,9 +359,10 @@ struct edt_ft5x06_attribute {
u8 limit_high;
u8 addr_m06;
u8 addr_m09;
u8 addr_ev;
};
#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, \
#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, _addr_ev, \
_limit_low, _limit_high) \
struct edt_ft5x06_attribute edt_ft5x06_attr_##_field = { \
.dattr = __ATTR(_field, _mode, \
@ -350,6 +371,7 @@ struct edt_ft5x06_attribute {
.field_offset = offsetof(struct edt_ft5x06_ts_data, _field), \
.addr_m06 = _addr_m06, \
.addr_m09 = _addr_m09, \
.addr_ev = _addr_ev, \
.limit_low = _limit_low, \
.limit_high = _limit_high, \
}
@ -386,6 +408,10 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev,
addr = attr->addr_m09;
break;
case EV_FT:
addr = attr->addr_ev;
break;
default:
error = -ENODEV;
goto out;
@ -457,6 +483,10 @@ static ssize_t edt_ft5x06_setting_store(struct device *dev,
addr = attr->addr_m09;
break;
case EV_FT:
addr = attr->addr_ev;
break;
default:
error = -ENODEV;
goto out;
@ -480,20 +510,28 @@ out:
/* m06, m09: range 0-31, m12: range 0-5 */
static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN,
M09_REGISTER_GAIN, 0, 31);
M09_REGISTER_GAIN, EV_REGISTER_GAIN, 0, 31);
/* m06, m09: range 0-31, m12: range 0-16 */
static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET,
M09_REGISTER_OFFSET, 0, 31);
M09_REGISTER_OFFSET, NO_REGISTER, 0, 31);
/* m06, m09, m12: no supported, ev_ft: range 0-80 */
static EDT_ATTR(offset_x, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER,
EV_REGISTER_OFFSET_X, 0, 80);
/* m06, m09, m12: no supported, ev_ft: range 0-80 */
static EDT_ATTR(offset_y, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER,
EV_REGISTER_OFFSET_Y, 0, 80);
/* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */
static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD,
M09_REGISTER_THRESHOLD, 0, 255);
M09_REGISTER_THRESHOLD, EV_REGISTER_THRESHOLD, 0, 255);
/* m06: range 3 to 14, m12: (0x64: 100Hz) */
static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE,
NO_REGISTER, 0, 255);
NO_REGISTER, NO_REGISTER, 0, 255);
static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_gain.dattr.attr,
&edt_ft5x06_attr_offset.dattr.attr,
&edt_ft5x06_attr_offset_x.dattr.attr,
&edt_ft5x06_attr_offset_y.dattr.attr,
&edt_ft5x06_attr_threshold.dattr.attr,
&edt_ft5x06_attr_report_rate.dattr.attr,
NULL
@ -605,8 +643,15 @@ static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata)
tsdata->threshold);
edt_ft5x06_register_write(tsdata, reg_addr->reg_gain,
tsdata->gain);
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,
tsdata->offset);
if (reg_addr->reg_offset != NO_REGISTER)
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,
tsdata->offset);
if (reg_addr->reg_offset_x != NO_REGISTER)
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x,
tsdata->offset_x);
if (reg_addr->reg_offset_y != NO_REGISTER)
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y,
tsdata->offset_y);
if (reg_addr->reg_report_rate != NO_REGISTER)
edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate,
tsdata->report_rate);
@ -867,6 +912,16 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
case 0x5a: /* Solomon Goldentek Display */
snprintf(model_name, EDT_NAME_LEN, "GKTW50SCED1R0");
break;
case 0x59: /* Evervision Display with FT5xx6 TS */
tsdata->version = EV_FT;
error = edt_ft5x06_ts_readwrite(client, 1, "\x53",
1, rdbuf);
if (error)
return error;
strlcpy(fw_version, rdbuf, 1);
snprintf(model_name, EDT_NAME_LEN,
"EVERVISION-FT5726NEi");
break;
default:
snprintf(model_name, EDT_NAME_LEN,
"generic ft5x06 (%02x)",
@ -902,6 +957,18 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev,
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val);
tsdata->offset = val;
}
error = device_property_read_u32(dev, "offset-x", &val);
if (!error) {
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x, val);
tsdata->offset_x = val;
}
error = device_property_read_u32(dev, "offset-y", &val);
if (!error) {
edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y, val);
tsdata->offset_y = val;
}
}
static void
@ -912,7 +979,15 @@ edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)
tsdata->threshold = edt_ft5x06_register_read(tsdata,
reg_addr->reg_threshold);
tsdata->gain = edt_ft5x06_register_read(tsdata, reg_addr->reg_gain);
tsdata->offset = edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);
if (reg_addr->reg_offset != NO_REGISTER)
tsdata->offset =
edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);
if (reg_addr->reg_offset_x != NO_REGISTER)
tsdata->offset_x = edt_ft5x06_register_read(tsdata,
reg_addr->reg_offset_x);
if (reg_addr->reg_offset_y != NO_REGISTER)
tsdata->offset_y = edt_ft5x06_register_read(tsdata,
reg_addr->reg_offset_y);
if (reg_addr->reg_report_rate != NO_REGISTER)
tsdata->report_rate = edt_ft5x06_register_read(tsdata,
reg_addr->reg_report_rate);
@ -940,6 +1015,8 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
reg_addr->reg_report_rate = WORK_REGISTER_REPORT_RATE;
reg_addr->reg_gain = WORK_REGISTER_GAIN;
reg_addr->reg_offset = WORK_REGISTER_OFFSET;
reg_addr->reg_offset_x = NO_REGISTER;
reg_addr->reg_offset_y = NO_REGISTER;
reg_addr->reg_num_x = WORK_REGISTER_NUM_X;
reg_addr->reg_num_y = WORK_REGISTER_NUM_Y;
break;
@ -950,15 +1027,30 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
reg_addr->reg_report_rate = NO_REGISTER;
reg_addr->reg_gain = M09_REGISTER_GAIN;
reg_addr->reg_offset = M09_REGISTER_OFFSET;
reg_addr->reg_offset_x = NO_REGISTER;
reg_addr->reg_offset_y = NO_REGISTER;
reg_addr->reg_num_x = M09_REGISTER_NUM_X;
reg_addr->reg_num_y = M09_REGISTER_NUM_Y;
break;
case EV_FT:
reg_addr->reg_threshold = EV_REGISTER_THRESHOLD;
reg_addr->reg_gain = EV_REGISTER_GAIN;
reg_addr->reg_offset = NO_REGISTER;
reg_addr->reg_offset_x = EV_REGISTER_OFFSET_X;
reg_addr->reg_offset_y = EV_REGISTER_OFFSET_Y;
reg_addr->reg_num_x = NO_REGISTER;
reg_addr->reg_num_y = NO_REGISTER;
reg_addr->reg_report_rate = NO_REGISTER;
break;
case GENERIC_FT:
/* this is a guesswork */
reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
reg_addr->reg_gain = M09_REGISTER_GAIN;
reg_addr->reg_offset = M09_REGISTER_OFFSET;
reg_addr->reg_offset_x = NO_REGISTER;
reg_addr->reg_offset_y = NO_REGISTER;
break;
}
}
@ -1155,6 +1247,7 @@ static const struct edt_i2c_chip_data edt_ft6236_data = {
static const struct i2c_device_id edt_ft5x06_ts_id[] = {
{ .name = "edt-ft5x06", .driver_data = (long)&edt_ft5x06_data },
{ .name = "edt-ft5506", .driver_data = (long)&edt_ft5506_data },
{ .name = "ev-ft5726", .driver_data = (long)&edt_ft5506_data },
/* Note no edt- prefix for compatibility with the ft6236.c driver */
{ .name = "ft6236", .driver_data = (long)&edt_ft6236_data },
{ /* sentinel */ }
@ -1167,6 +1260,7 @@ static const struct of_device_id edt_ft5x06_of_match[] = {
{ .compatible = "edt,edt-ft5306", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5406", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5506", .data = &edt_ft5506_data },
{ .compatible = "evervision,ev-ft5726", .data = &edt_ft5506_data },
/* Note focaltech vendor prefix for compatibility with ft6236.c */
{ .compatible = "focaltech,ft6236", .data = &edt_ft6236_data },
{ /* sentinel */ }

6
drivers/input/touchscreen/goodix.c
View File

@ -216,6 +216,7 @@ static const struct goodix_chip_data *goodix_get_chip_data(u16 id)
{
switch (id) {
case 1151:
case 5688:
return &gt1x_chip_data;
case 911:
@ -692,7 +693,9 @@ static int goodix_configure_dev(struct goodix_ts_data *ts)
touchscreen_parse_properties(ts->input_dev, true, &ts->prop);
if (!ts->prop.max_x || !ts->prop.max_y || !ts->max_touch_num) {
dev_err(&ts->client->dev, "Invalid config, using defaults\n");
dev_err(&ts->client->dev,
"Invalid config (%d, %d, %d), using defaults\n",
ts->prop.max_x, ts->prop.max_y, ts->max_touch_num);
ts->prop.max_x = GOODIX_MAX_WIDTH - 1;
ts->prop.max_y = GOODIX_MAX_HEIGHT - 1;
ts->max_touch_num = GOODIX_MAX_CONTACTS;
@ -942,6 +945,7 @@ MODULE_DEVICE_TABLE(acpi, goodix_acpi_match);
#ifdef CONFIG_OF
static const struct of_device_id goodix_of_match[] = {
{ .compatible = "goodix,gt1151" },
{ .compatible = "goodix,gt5688" },
{ .compatible = "goodix,gt911" },
{ .compatible = "goodix,gt9110" },
{ .compatible = "goodix,gt912" },

325
drivers/input/touchscreen/ili210x.c
View File

@ -4,11 +4,15 @@
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/input/touchscreen.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/input/ili210x.h>
#include <linux/gpio/consumer.h>
#include <linux/of_device.h>
#include <asm/unaligned.h>
#define MAX_TOUCHES 2
#define ILI210X_TOUCHES 2
#define ILI251X_TOUCHES 10
#define DEFAULT_POLL_PERIOD 20
/* Touchscreen commands */
@ -17,41 +21,32 @@
#define REG_FIRMWARE_VERSION 0x40
#define REG_CALIBRATE 0xcc
struct finger {
u8 x_low;
u8 x_high;
u8 y_low;
u8 y_high;
} __packed;
struct touchdata {
u8 status;
struct finger finger[MAX_TOUCHES];
} __packed;
struct panel_info {
struct finger finger_max;
u8 xchannel_num;
u8 ychannel_num;
} __packed;
struct firmware_version {
u8 id;
u8 major;
u8 minor;
} __packed;
enum ili2xxx_model {
MODEL_ILI210X,
MODEL_ILI251X,
};
struct ili210x {
struct i2c_client *client;
struct input_dev *input;
bool (*get_pendown_state)(void);
unsigned int poll_period;
struct delayed_work dwork;
struct gpio_desc *reset_gpio;
struct touchscreen_properties prop;
enum ili2xxx_model model;
unsigned int max_touches;
};
static int ili210x_read_reg(struct i2c_client *client, u8 reg, void *buf,
size_t len)
{
struct ili210x *priv = i2c_get_clientdata(client);
struct i2c_msg msg[2] = {
{
.addr = client->addr,
@ -67,7 +62,38 @@ static int ili210x_read_reg(struct i2c_client *client, u8 reg, void *buf,
}
};
if (i2c_transfer(client->adapter, msg, 2) != 2) {
if (priv->model == MODEL_ILI251X) {
if (i2c_transfer(client->adapter, msg, 1) != 1) {
dev_err(&client->dev, "i2c transfer failed\n");
return -EIO;
}
usleep_range(5000, 5500);
if (i2c_transfer(client->adapter, msg + 1, 1) != 1) {
dev_err(&client->dev, "i2c transfer failed\n");
return -EIO;
}
} else {
if (i2c_transfer(client->adapter, msg, 2) != 2) {
dev_err(&client->dev, "i2c transfer failed\n");
return -EIO;
}
}
return 0;
}
static int ili210x_read(struct i2c_client *client, void *buf, size_t len)
{
struct i2c_msg msg = {
.addr = client->addr,
.flags = I2C_M_RD,
.len = len,
.buf = buf,
};
if (i2c_transfer(client->adapter, &msg, 1) != 1) {
dev_err(&client->dev, "i2c transfer failed\n");
return -EIO;
}
@ -75,42 +101,72 @@ static int ili210x_read_reg(struct i2c_client *client, u8 reg, void *buf,
return 0;
}
static void ili210x_report_events(struct input_dev *input,
const struct touchdata *touchdata)
static bool ili210x_touchdata_to_coords(struct ili210x *priv, u8 *touchdata,
unsigned int finger,
unsigned int *x, unsigned int *y)
{
if (finger >= ILI210X_TOUCHES)
return false;
if (touchdata[0] & BIT(finger))
return false;
*x = get_unaligned_be16(touchdata + 1 + (finger * 4) + 0);
*y = get_unaligned_be16(touchdata + 1 + (finger * 4) + 2);
return true;
}
static bool ili251x_touchdata_to_coords(struct ili210x *priv, u8 *touchdata,
unsigned int finger,
unsigned int *x, unsigned int *y)
{
if (finger >= ILI251X_TOUCHES)
return false;
*x = get_unaligned_be16(touchdata + 1 + (finger * 5) + 0);
if (!(*x & BIT(15))) /* Touch indication */
return false;
*x &= 0x3fff;
*y = get_unaligned_be16(touchdata + 1 + (finger * 5) + 2);
return true;
}
static bool ili210x_report_events(struct ili210x *priv, u8 *touchdata)
{
struct input_dev *input = priv->input;
int i;
bool touch;
unsigned int x, y;
const struct finger *finger;
bool contact = false, touch = false;
unsigned int x = 0, y = 0;
for (i = 0; i < MAX_TOUCHES; i++) {
input_mt_slot(input, i);
finger = &touchdata->finger[i];
touch = touchdata->status & (1 << i);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
x = finger->x_low | (finger->x_high << 8);
y = finger->y_low | (finger->y_high << 8);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
for (i = 0; i < priv->max_touches; i++) {
if (priv->model == MODEL_ILI210X) {
touch = ili210x_touchdata_to_coords(priv, touchdata,
i, &x, &y);
} else if (priv->model == MODEL_ILI251X) {
touch = ili251x_touchdata_to_coords(priv, touchdata,
i, &x, &y);
if (touch)
contact = true;
}
input_mt_slot(input, i);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (!touch)
continue;
touchscreen_report_pos(input, &priv->prop, x, y,
true);
}
input_mt_report_pointer_emulation(input, false);
input_sync(input);
}
static bool get_pendown_state(const struct ili210x *priv)
{
bool state = false;
if (priv->model == MODEL_ILI210X)
contact = touchdata[0] & 0xf3;
if (priv->get_pendown_state)
state = priv->get_pendown_state();
return state;
return contact;
}
static void ili210x_work(struct work_struct *work)
@ -118,20 +174,29 @@ static void ili210x_work(struct work_struct *work)
struct ili210x *priv = container_of(work, struct ili210x,
dwork.work);
struct i2c_client *client = priv->client;
struct touchdata touchdata;
int error;
u8 touchdata[64] = { 0 };
bool touch;
int error = -EINVAL;
if (priv->model == MODEL_ILI210X) {
error = ili210x_read_reg(client, REG_TOUCHDATA,
touchdata, sizeof(touchdata));
} else if (priv->model == MODEL_ILI251X) {
error = ili210x_read_reg(client, REG_TOUCHDATA,
touchdata, 31);
if (!error && touchdata[0] == 2)
error = ili210x_read(client, &touchdata[31], 20);
}
error = ili210x_read_reg(client, REG_TOUCHDATA,
&touchdata, sizeof(touchdata));
if (error) {
dev_err(&client->dev,
"Unable to get touchdata, err = %d\n", error);
return;
}
ili210x_report_events(priv->input, &touchdata);
touch = ili210x_report_events(priv, touchdata);
if ((touchdata.status & 0xf3) || get_pendown_state(priv))
if (touch)
schedule_delayed_work(&priv->dwork,
msecs_to_jiffies(priv->poll_period));
}
@ -180,30 +245,76 @@ static const struct attribute_group ili210x_attr_group = {
.attrs = ili210x_attributes,
};
static void ili210x_power_down(void *data)
{
struct gpio_desc *reset_gpio = data;
gpiod_set_value_cansleep(reset_gpio, 1);
}
static void ili210x_cancel_work(void *data)
{
struct ili210x *priv = data;
cancel_delayed_work_sync(&priv->dwork);
}
static int ili210x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
const struct ili210x_platform_data *pdata = dev_get_platdata(dev);
struct ili210x *priv;
struct gpio_desc *reset_gpio;
struct input_dev *input;
struct panel_info panel;
struct firmware_version firmware;
int xmax, ymax;
enum ili2xxx_model model;
int error;
dev_dbg(dev, "Probing for ILI210X I2C Touschreen driver");
model = (enum ili2xxx_model)id->driver_data;
if (!pdata) {
dev_err(dev, "No platform data!\n");
return -EINVAL;
}
dev_dbg(dev, "Probing for ILI210X I2C Touschreen driver");
if (client->irq <= 0) {
dev_err(dev, "No IRQ!\n");
return -EINVAL;
}
reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(reset_gpio))
return PTR_ERR(reset_gpio);
if (reset_gpio) {
error = devm_add_action_or_reset(dev, ili210x_power_down,
reset_gpio);
if (error)
return error;
usleep_range(50, 100);
gpiod_set_value_cansleep(reset_gpio, 0);
msleep(100);
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
input = devm_input_allocate_device(dev);
if (!input)
return -ENOMEM;
priv->client = client;
priv->input = input;
priv->poll_period = DEFAULT_POLL_PERIOD;
INIT_DELAYED_WORK(&priv->dwork, ili210x_work);
priv->reset_gpio = reset_gpio;
priv->model = model;
if (model == MODEL_ILI210X)
priv->max_touches = ILI210X_TOUCHES;
if (model == MODEL_ILI251X)
priv->max_touches = ILI251X_TOUCHES;
i2c_set_clientdata(client, priv);
/* Get firmware version */
error = ili210x_read_reg(client, REG_FIRMWARE_VERSION,
&firmware, sizeof(firmware));
@ -213,70 +324,40 @@ static int ili210x_i2c_probe(struct i2c_client *client,
return error;
}
/* get panel info */
error = ili210x_read_reg(client, REG_PANEL_INFO, &panel, sizeof(panel));
if (error) {
dev_err(dev, "Failed to get panel information, err: %d\n",
error);
return error;
}
xmax = panel.finger_max.x_low | (panel.finger_max.x_high << 8);
ymax = panel.finger_max.y_low | (panel.finger_max.y_high << 8);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
input = input_allocate_device();
if (!priv || !input) {
error = -ENOMEM;
goto err_free_mem;
}
priv->client = client;
priv->input = input;
priv->get_pendown_state = pdata->get_pendown_state;
priv->poll_period = pdata->poll_period ? : DEFAULT_POLL_PERIOD;
INIT_DELAYED_WORK(&priv->dwork, ili210x_work);
/* Setup input device */
input->name = "ILI210x Touchscreen";
input->id.bustype = BUS_I2C;
input->dev.parent = dev;
__set_bit(EV_SYN, input->evbit);
__set_bit(EV_KEY, input->evbit);
__set_bit(EV_ABS, input->evbit);
__set_bit(BTN_TOUCH, input->keybit);
/* Single touch */
input_set_abs_params(input, ABS_X, 0, xmax, 0, 0);
input_set_abs_params(input, ABS_Y, 0, ymax, 0, 0);
/* Multi touch */
input_mt_init_slots(input, MAX_TOUCHES, 0);
input_set_abs_params(input, ABS_MT_POSITION_X, 0, xmax, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ymax, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_X, 0, 0xffff, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 0xffff, 0, 0);
touchscreen_parse_properties(input, true, &priv->prop);
input_mt_init_slots(input, priv->max_touches, INPUT_MT_DIRECT);
i2c_set_clientdata(client, priv);
error = devm_add_action(dev, ili210x_cancel_work, priv);
if (error)
return error;
error = request_irq(client->irq, ili210x_irq, pdata->irq_flags,
client->name, priv);
error = devm_request_irq(dev, client->irq, ili210x_irq, 0,
client->name, priv);
if (error) {
dev_err(dev, "Unable to request touchscreen IRQ, err: %d\n",
error);
goto err_free_mem;
return error;
}
error = sysfs_create_group(&dev->kobj, &ili210x_attr_group);
error = devm_device_add_group(dev, &ili210x_attr_group);
if (error) {
dev_err(dev, "Unable to create sysfs attributes, err: %d\n",
error);
goto err_free_irq;
return error;
}
error = input_register_device(priv->input);
if (error) {
dev_err(dev, "Cannot register input device, err: %d\n", error);
goto err_remove_sysfs;
return error;
}
device_init_wakeup(dev, 1);
@ -286,28 +367,6 @@ static int ili210x_i2c_probe(struct i2c_client *client,
client->irq, firmware.id, firmware.major, firmware.minor);
return 0;
err_remove_sysfs:
sysfs_remove_group(&dev->kobj, &ili210x_attr_group);
err_free_irq:
free_irq(client->irq, priv);
err_free_mem:
input_free_device(input);
kfree(priv);
return error;
}
static int ili210x_i2c_remove(struct i2c_client *client)
{
struct ili210x *priv = i2c_get_clientdata(client);
sysfs_remove_group(&client->dev.kobj, &ili210x_attr_group);
free_irq(priv->client->irq, priv);
cancel_delayed_work_sync(&priv->dwork);
input_unregister_device(priv->input);
kfree(priv);
return 0;
}
static int __maybe_unused ili210x_i2c_suspend(struct device *dev)
@ -334,19 +393,27 @@ static SIMPLE_DEV_PM_OPS(ili210x_i2c_pm,
ili210x_i2c_suspend, ili210x_i2c_resume);
static const struct i2c_device_id ili210x_i2c_id[] = {
{ "ili210x", 0 },
{ "ili210x", MODEL_ILI210X },
{ "ili251x", MODEL_ILI251X },
{ }
};
MODULE_DEVICE_TABLE(i2c, ili210x_i2c_id);
static const struct of_device_id ili210x_dt_ids[] = {
{ .compatible = "ilitek,ili210x", .data = (void *)MODEL_ILI210X },
{ .compatible = "ilitek,ili251x", .data = (void *)MODEL_ILI251X },
{ },
};
MODULE_DEVICE_TABLE(of, ili210x_dt_ids);
static struct i2c_driver ili210x_ts_driver = {
.driver = {
.name = "ili210x_i2c",
.pm = &ili210x_i2c_pm,
.of_match_table = ili210x_dt_ids,
},
.id_table = ili210x_i2c_id,
.probe = ili210x_i2c_probe,
.remove = ili210x_i2c_remove,
};
module_i2c_driver(ili210x_ts_driver);

154
drivers/input/touchscreen/st1232.c
View File

@ -11,25 +11,19 @@
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/input/touchscreen.h>
#define ST1232_TS_NAME "st1232-ts"
#define MIN_X 0x00
#define MIN_Y 0x00
#define MAX_X 0x31f /* (800 - 1) */
#define MAX_Y 0x1df /* (480 - 1) */
#define MAX_AREA 0xff
#define MAX_FINGERS 2
#define ST1633_TS_NAME "st1633-ts"
struct st1232_ts_finger {
u16 x;
@ -38,12 +32,25 @@ struct st1232_ts_finger {
bool is_valid;
};
struct st_chip_info {
bool have_z;
u16 max_x;
u16 max_y;
u16 max_area;
u16 max_fingers;
u8 start_reg;
};
struct st1232_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
struct st1232_ts_finger finger[MAX_FINGERS];
struct touchscreen_properties prop;
struct dev_pm_qos_request low_latency_req;
int reset_gpio;
struct gpio_desc *reset_gpio;
const struct st_chip_info *chip_info;
int read_buf_len;
u8 *read_buf;
struct st1232_ts_finger *finger;
};
static int st1232_ts_read_data(struct st1232_ts_data *ts)
@ -52,40 +59,35 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts)
struct i2c_client *client = ts->client;
struct i2c_msg msg[2];
int error;
u8 start_reg;
u8 buf[10];
int i, y;
u8 start_reg = ts->chip_info->start_reg;
u8 *buf = ts->read_buf;
/* read touchscreen data from ST1232 */
/* read touchscreen data */
msg[0].addr = client->addr;
msg[0].flags = 0;
msg[0].len = 1;
msg[0].buf = &start_reg;
start_reg = 0x10;
msg[1].addr = ts->client->addr;
msg[1].flags = I2C_M_RD;
msg[1].len = sizeof(buf);
msg[1].len = ts->read_buf_len;
msg[1].buf = buf;
error = i2c_transfer(client->adapter, msg, 2);
if (error < 0)
return error;
/* get "valid" bits */
finger[0].is_valid = buf[2] >> 7;
finger[1].is_valid = buf[5] >> 7;
for (i = 0, y = 0; i < ts->chip_info->max_fingers; i++, y += 3) {
finger[i].is_valid = buf[i + y] >> 7;
if (finger[i].is_valid) {
finger[i].x = ((buf[i + y] & 0x0070) << 4) | buf[i + 1];
finger[i].y = ((buf[i + y] & 0x0007) << 8) | buf[i + 2];
/* get xy coordinate */
if (finger[0].is_valid) {
finger[0].x = ((buf[2] & 0x0070) << 4) | buf[3];
finger[0].y = ((buf[2] & 0x0007) << 8) | buf[4];
finger[0].t = buf[8];
}
if (finger[1].is_valid) {
finger[1].x = ((buf[5] & 0x0070) << 4) | buf[6];
finger[1].y = ((buf[5] & 0x0007) << 8) | buf[7];
finger[1].t = buf[9];
/* st1232 includes a z-axis / touch strength */
if (ts->chip_info->have_z)
finger[i].t = buf[i + 6];
}
}
return 0;
@ -104,13 +106,16 @@ static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id)
goto end;
/* multi touch protocol */
for (i = 0; i < MAX_FINGERS; i++) {
for (i = 0; i < ts->chip_info->max_fingers; i++) {
if (!finger[i].is_valid)
continue;
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, finger[i].t);
input_report_abs(input_dev, ABS_MT_POSITION_X, finger[i].x);
input_report_abs(input_dev, ABS_MT_POSITION_Y, finger[i].y);
if (ts->chip_info->have_z)
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR,
finger[i].t);
touchscreen_report_pos(input_dev, &ts->prop,
finger[i].x, finger[i].y, true);
input_mt_sync(input_dev);
count++;
}
@ -138,17 +143,45 @@ end:
static void st1232_ts_power(struct st1232_ts_data *ts, bool poweron)
{
if (gpio_is_valid(ts->reset_gpio))
gpio_direction_output(ts->reset_gpio, poweron);
if (ts->reset_gpio)
gpiod_set_value_cansleep(ts->reset_gpio, !poweron);
}
static const struct st_chip_info st1232_chip_info = {
.have_z = true,
.max_x = 0x31f, /* 800 - 1 */
.max_y = 0x1df, /* 480 -1 */
.max_area = 0xff,
.max_fingers = 2,
.start_reg = 0x12,
};
static const struct st_chip_info st1633_chip_info = {
.have_z = false,
.max_x = 0x13f, /* 320 - 1 */
.max_y = 0x1df, /* 480 -1 */
.max_area = 0x00,
.max_fingers = 5,
.start_reg = 0x12,
};
static int st1232_ts_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
const struct st_chip_info *match;
struct st1232_ts_data *ts;
struct st1232_ts_finger *finger;
struct input_dev *input_dev;
int error;
match = device_get_match_data(&client->dev);
if (!match && id)
match = (const void *)id->driver_data;
if (!match) {
dev_err(&client->dev, "unknown device model\n");
return -ENODEV;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(&client->dev, "need I2C_FUNC_I2C\n");
return -EIO;
@ -163,6 +196,19 @@ static int st1232_ts_probe(struct i2c_client *client,
if (!ts)
return -ENOMEM;
ts->chip_info = match;
ts->finger = devm_kcalloc(&client->dev,
ts->chip_info->max_fingers, sizeof(*finger),
GFP_KERNEL);
if (!ts->finger)
return -ENOMEM;
/* allocate a buffer according to the number of registers to read */
ts->read_buf_len = ts->chip_info->max_fingers * 4;
ts->read_buf = devm_kzalloc(&client->dev, ts->read_buf_len, GFP_KERNEL);
if (!ts->read_buf)
return -ENOMEM;
input_dev = devm_input_allocate_device(&client->dev);
if (!input_dev)
return -ENOMEM;
@ -170,15 +216,13 @@ static int st1232_ts_probe(struct i2c_client *client,
ts->client = client;
ts->input_dev = input_dev;
ts->reset_gpio = of_get_gpio(client->dev.of_node, 0);
if (gpio_is_valid(ts->reset_gpio)) {
error = devm_gpio_request(&client->dev, ts->reset_gpio, NULL);
if (error) {
dev_err(&client->dev,
"Unable to request GPIO pin %d.\n",
ts->reset_gpio);
return error;
}
ts->reset_gpio = devm_gpiod_get_optional(&client->dev, NULL,
GPIOD_OUT_HIGH);
if (IS_ERR(ts->reset_gpio)) {
error = PTR_ERR(ts->reset_gpio);
dev_err(&client->dev, "Unable to request GPIO pin: %d.\n",
error);
return error;
}
st1232_ts_power(ts, true);
@ -192,9 +236,16 @@ static int st1232_ts_probe(struct i2c_client *client,
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(EV_ABS, input_dev->evbit);
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
if (ts->chip_info->have_z)
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
ts->chip_info->max_area, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
0, ts->chip_info->max_x, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
0, ts->chip_info->max_y, 0, 0);
touchscreen_parse_properties(input_dev, true, &ts->prop);
error = devm_request_threaded_irq(&client->dev, client->irq,
NULL, st1232_ts_irq_handler,
@ -261,13 +312,15 @@ static SIMPLE_DEV_PM_OPS(st1232_ts_pm_ops,
st1232_ts_suspend, st1232_ts_resume);
static const struct i2c_device_id st1232_ts_id[] = {
{ ST1232_TS_NAME, 0 },
{ ST1232_TS_NAME, (unsigned long)&st1232_chip_info },
{ ST1633_TS_NAME, (unsigned long)&st1633_chip_info },
{ }
};
MODULE_DEVICE_TABLE(i2c, st1232_ts_id);
static const struct of_device_id st1232_ts_dt_ids[] = {
{ .compatible = "sitronix,st1232", },
{ .compatible = "sitronix,st1232", .data = &st1232_chip_info },
{ .compatible = "sitronix,st1633", .data = &st1633_chip_info },
{ }
};
MODULE_DEVICE_TABLE(of, st1232_ts_dt_ids);
@ -286,5 +339,6 @@ static struct i2c_driver st1232_ts_driver = {
module_i2c_driver(st1232_ts_driver);
MODULE_AUTHOR("Tony SIM <chinyeow.sim.xt@renesas.com>");
MODULE_AUTHOR("Martin Kepplinger <martin.kepplinger@ginzinger.com>");
MODULE_DESCRIPTION("SITRONIX ST1232 Touchscreen Controller Driver");
MODULE_LICENSE("GPL v2");

30
drivers/input/touchscreen/stmfts.c
View File

@ -106,27 +106,29 @@ struct stmfts_data {
bool running;
};
static void stmfts_brightness_set(struct led_classdev *led_cdev,
static int stmfts_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct stmfts_data *sdata = container_of(led_cdev,
struct stmfts_data, led_cdev);
int err;
if (value == sdata->led_status || !sdata->ledvdd)
return;
if (!value) {
regulator_disable(sdata->ledvdd);
} else {
err = regulator_enable(sdata->ledvdd);
if (err)
dev_warn(&sdata->client->dev,
"failed to disable ledvdd regulator: %d\n",
err);
if (value != sdata->led_status && sdata->ledvdd) {
if (!value) {
regulator_disable(sdata->ledvdd);
} else {
err = regulator_enable(sdata->ledvdd);
if (err) {
dev_warn(&sdata->client->dev,
"failed to disable ledvdd regulator: %d\n",
err);
return err;
}
}
sdata->led_status = value;
}
sdata->led_status = value;
return 0;
}
static enum led_brightness stmfts_brightness_get(struct led_classdev *led_cdev)
@ -608,7 +610,7 @@ static int stmfts_enable_led(struct stmfts_data *sdata)
sdata->led_cdev.name = STMFTS_DEV_NAME;
sdata->led_cdev.max_brightness = LED_ON;
sdata->led_cdev.brightness = LED_OFF;
sdata->led_cdev.brightness_set = stmfts_brightness_set;
sdata->led_cdev.brightness_set_blocking = stmfts_brightness_set;
sdata->led_cdev.brightness_get = stmfts_brightness_get;
err = devm_led_classdev_register(&sdata->client->dev, &sdata->led_cdev);

255
drivers/input/touchscreen/sx8654.c
View File

@ -27,12 +27,16 @@
* published by the Free Software Foundation.
*/
#include <linux/input.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/of.h>
/* register addresses */
#define I2C_REG_TOUCH0 0x00
@ -42,25 +46,28 @@
#define I2C_REG_IRQSRC 0x23
#define I2C_REG_SOFTRESET 0x3f
#define I2C_REG_SX8650_STAT 0x05
#define SX8650_STAT_CONVIRQ BIT(7)
/* commands */
#define CMD_READ_REGISTER 0x40
#define CMD_MANUAL 0xc0
#define CMD_PENTRG 0xe0
/* value for I2C_REG_SOFTRESET */
#define SOFTRESET_VALUE 0xde
/* bits for I2C_REG_IRQSRC */
#define IRQ_PENTOUCH_TOUCHCONVDONE 0x08
#define IRQ_PENRELEASE 0x04
#define IRQ_PENTOUCH_TOUCHCONVDONE BIT(3)
#define IRQ_PENRELEASE BIT(2)
/* bits for RegTouch1 */
#define CONDIRQ 0x20
#define RPDNT_100K 0x00
#define FILT_7SA 0x03
/* bits for I2C_REG_CHANMASK */
#define CONV_X 0x80
#define CONV_Y 0x40
#define CONV_X BIT(7)
#define CONV_Y BIT(6)
/* coordinates rate: higher nibble of CTRL0 register */
#define RATE_MANUAL 0x00
@ -69,13 +76,122 @@
/* power delay: lower nibble of CTRL0 register */
#define POWDLY_1_1MS 0x0b
/* for sx8650, as we have no pen release IRQ there: timeout in ns following the
* last PENIRQ after which we assume the pen is lifted.
*/
#define SX8650_PENIRQ_TIMEOUT msecs_to_jiffies(10)
#define MAX_12BIT ((1 << 12) - 1)
#define MAX_I2C_READ_LEN 10 /* see datasheet section 5.1.5 */
/* channel definition */
#define CH_X 0x00
#define CH_Y 0x01
struct sx865x_data {
u8 cmd_manual;
u8 chan_mask;
bool has_irq_penrelease;
bool has_reg_irqmask;
irq_handler_t irqh;
};
struct sx8654 {
struct input_dev *input;
struct i2c_client *client;
struct gpio_desc *gpio_reset;
spinlock_t lock; /* for input reporting from irq/timer */
struct timer_list timer;
struct touchscreen_properties props;
const struct sx865x_data *data;
};
static inline void sx865x_penrelease(struct sx8654 *ts)
{
struct input_dev *input_dev = ts->input;
input_report_key(input_dev, BTN_TOUCH, 0);
input_sync(input_dev);
}
static void sx865x_penrelease_timer_handler(struct timer_list *t)
{
struct sx8654 *ts = from_timer(ts, t, timer);
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
sx865x_penrelease(ts);
spin_unlock_irqrestore(&ts->lock, flags);
dev_dbg(&ts->client->dev, "penrelease by timer\n");
}
static irqreturn_t sx8650_irq(int irq, void *handle)
{
struct sx8654 *ts = handle;
struct device *dev = &ts->client->dev;
int len, i;
unsigned long flags;
u8 stat;
u16 x, y;
u16 ch;
u16 chdata;
__be16 data[MAX_I2C_READ_LEN / sizeof(__be16)];
u8 nchan = hweight32(ts->data->chan_mask);
u8 readlen = nchan * sizeof(*data);
stat = i2c_smbus_read_byte_data(ts->client, CMD_READ_REGISTER
| I2C_REG_SX8650_STAT);
if (!(stat & SX8650_STAT_CONVIRQ)) {
dev_dbg(dev, "%s ignore stat [0x%02x]", __func__, stat);
return IRQ_HANDLED;
}
len = i2c_master_recv(ts->client, (u8 *)data, readlen);
if (len != readlen) {
dev_dbg(dev, "ignore short recv (%d)\n", len);
return IRQ_HANDLED;
}
spin_lock_irqsave(&ts->lock, flags);
x = 0;
y = 0;
for (i = 0; i < nchan; i++) {
chdata = be16_to_cpu(data[i]);
if (unlikely(chdata == 0xFFFF)) {
dev_dbg(dev, "invalid qualified data @ %d\n", i);
continue;
} else if (unlikely(chdata & 0x8000)) {
dev_warn(dev, "hibit @ %d [0x%04x]\n", i, chdata);
continue;
}
ch = chdata >> 12;
if (ch == CH_X)
x = chdata & MAX_12BIT;
else if (ch == CH_Y)
y = chdata & MAX_12BIT;
else
dev_warn(dev, "unknown channel %d [0x%04x]\n", ch,
chdata);
}
touchscreen_report_pos(ts->input, &ts->props, x, y, false);
input_report_key(ts->input, BTN_TOUCH, 1);
input_sync(ts->input);
dev_dbg(dev, "point(%4d,%4d)\n", x, y);
mod_timer(&ts->timer, jiffies + SX8650_PENIRQ_TIMEOUT);
spin_unlock_irqrestore(&ts->lock, flags);
return IRQ_HANDLED;
}
static irqreturn_t sx8654_irq(int irq, void *handle)
{
struct sx8654 *sx8654 = handle;
@ -112,8 +228,8 @@ static irqreturn_t sx8654_irq(int irq, void *handle)
x = ((data[0] & 0xf) << 8) | (data[1]);
y = ((data[2] & 0xf) << 8) | (data[3]);
input_report_abs(sx8654->input, ABS_X, x);
input_report_abs(sx8654->input, ABS_Y, y);
touchscreen_report_pos(sx8654->input, &sx8654->props, x, y,
false);
input_report_key(sx8654->input, BTN_TOUCH, 1);
input_sync(sx8654->input);
@ -124,6 +240,25 @@ out:
return IRQ_HANDLED;
}
static int sx8654_reset(struct sx8654 *ts)
{
int err;
if (ts->gpio_reset) {
gpiod_set_value_cansleep(ts->gpio_reset, 1);
udelay(2); /* Tpulse > 1µs */
gpiod_set_value_cansleep(ts->gpio_reset, 0);
} else {
dev_dbg(&ts->client->dev, "NRST unavailable, try softreset\n");
err = i2c_smbus_write_byte_data(ts->client, I2C_REG_SOFTRESET,
SOFTRESET_VALUE);
if (err)
return err;
}
return 0;
}
static int sx8654_open(struct input_dev *dev)
{
struct sx8654 *sx8654 = input_get_drvdata(dev);
@ -157,14 +292,17 @@ static void sx8654_close(struct input_dev *dev)
disable_irq(client->irq);
if (!sx8654->data->has_irq_penrelease)
del_timer_sync(&sx8654->timer);
/* enable manual mode mode */
error = i2c_smbus_write_byte(client, CMD_MANUAL);
error = i2c_smbus_write_byte(client, sx8654->data->cmd_manual);
if (error) {
dev_err(&client->dev, "writing command CMD_MANUAL failed");
return;
}
error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH0, 0);
error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH0, RATE_MANUAL);
if (error) {
dev_err(&client->dev, "writing to I2C_REG_TOUCH0 failed");
return;
@ -186,6 +324,31 @@ static int sx8654_probe(struct i2c_client *client,
if (!sx8654)
return -ENOMEM;
sx8654->gpio_reset = devm_gpiod_get_optional(&client->dev, "reset",
GPIOD_OUT_HIGH);
if (IS_ERR(sx8654->gpio_reset)) {
error = PTR_ERR(sx8654->gpio_reset);
if (error != -EPROBE_DEFER)
dev_err(&client->dev, "unable to get reset-gpio: %d\n",
error);
return error;
}
dev_dbg(&client->dev, "got GPIO reset pin\n");
sx8654->data = device_get_match_data(&client->dev);
if (!sx8654->data)
sx8654->data = (const struct sx865x_data *)id->driver_data;
if (!sx8654->data) {
dev_err(&client->dev, "invalid or missing device data\n");
return -EINVAL;
}
if (!sx8654->data->has_irq_penrelease) {
dev_dbg(&client->dev, "use timer for penrelease\n");
timer_setup(&sx8654->timer, sx865x_penrelease_timer_handler, 0);
spin_lock_init(&sx8654->lock);
}
input = devm_input_allocate_device(&client->dev);
if (!input)
return -ENOMEM;
@ -201,43 +364,46 @@ static int sx8654_probe(struct i2c_client *client,
input_set_abs_params(input, ABS_X, 0, MAX_12BIT, 0, 0);
input_set_abs_params(input, ABS_Y, 0, MAX_12BIT, 0, 0);
touchscreen_parse_properties(input, false, &sx8654->props);
sx8654->client = client;
sx8654->input = input;
input_set_drvdata(sx8654->input, sx8654);
error = i2c_smbus_write_byte_data(client, I2C_REG_SOFTRESET,
SOFTRESET_VALUE);
error = sx8654_reset(sx8654);
if (error) {
dev_err(&client->dev, "writing softreset value failed");
dev_err(&client->dev, "reset failed");
return error;
}
error = i2c_smbus_write_byte_data(client, I2C_REG_CHANMASK,
CONV_X | CONV_Y);
sx8654->data->chan_mask);
if (error) {
dev_err(&client->dev, "writing to I2C_REG_CHANMASK failed");
return error;
}
error = i2c_smbus_write_byte_data(client, I2C_REG_IRQMASK,
IRQ_PENTOUCH_TOUCHCONVDONE |
IRQ_PENRELEASE);
if (error) {
dev_err(&client->dev, "writing to I2C_REG_IRQMASK failed");
return error;
if (sx8654->data->has_reg_irqmask) {
error = i2c_smbus_write_byte_data(client, I2C_REG_IRQMASK,
IRQ_PENTOUCH_TOUCHCONVDONE |
IRQ_PENRELEASE);
if (error) {
dev_err(&client->dev, "writing I2C_REG_IRQMASK failed");
return error;
}
}
error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH1,
CONDIRQ | FILT_7SA);
CONDIRQ | RPDNT_100K | FILT_7SA);
if (error) {
dev_err(&client->dev, "writing to I2C_REG_TOUCH1 failed");
return error;
}
error = devm_request_threaded_irq(&client->dev, client->irq,
NULL, sx8654_irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
NULL, sx8654->data->irqh,
IRQF_ONESHOT,
client->name, sx8654);
if (error) {
dev_err(&client->dev,
@ -256,17 +422,48 @@ static int sx8654_probe(struct i2c_client *client,
return 0;
}
static const struct sx865x_data sx8650_data = {
.cmd_manual = 0xb0,
.has_irq_penrelease = false,
.has_reg_irqmask = false,
.chan_mask = (CONV_X | CONV_Y),
.irqh = sx8650_irq,
};
static const struct sx865x_data sx8654_data = {
.cmd_manual = 0xc0,
.has_irq_penrelease = true,
.has_reg_irqmask = true,
.chan_mask = (CONV_X | CONV_Y),
.irqh = sx8654_irq,
};
#ifdef CONFIG_OF
static const struct of_device_id sx8654_of_match[] = {
{ .compatible = "semtech,sx8654", },
{ },
{
.compatible = "semtech,sx8650",
.data = &sx8650_data,
}, {
.compatible = "semtech,sx8654",
.data = &sx8654_data,
}, {
.compatible = "semtech,sx8655",
.data = &sx8654_data,
}, {
.compatible = "semtech,sx8656",
.data = &sx8654_data,
},
{ }
};
MODULE_DEVICE_TABLE(of, sx8654_of_match);
#endif
static const struct i2c_device_id sx8654_id_table[] = {
{ "semtech_sx8654", 0 },
{ },
{ .name = "semtech_sx8650", .driver_data = (long)&sx8650_data },
{ .name = "semtech_sx8654", .driver_data = (long)&sx8654_data },
{ .name = "semtech_sx8655", .driver_data = (long)&sx8654_data },
{ .name = "semtech_sx8656", .driver_data = (long)&sx8654_data },
{ }
};
MODULE_DEVICE_TABLE(i2c, sx8654_id_table);

4
drivers/input/touchscreen/ti_am335x_tsc.c
View File

@ -507,10 +507,8 @@ static int titsc_remove(struct platform_device *pdev)
static int __maybe_unused titsc_suspend(struct device *dev)
{
struct titsc *ts_dev = dev_get_drvdata(dev);
struct ti_tscadc_dev *tscadc_dev;
unsigned int idle;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);
idle = titsc_readl(ts_dev, REG_IRQENABLE);
@ -524,9 +522,7 @@ static int __maybe_unused titsc_suspend(struct device *dev)
static int __maybe_unused titsc_resume(struct device *dev)
{
struct titsc *ts_dev = dev_get_drvdata(dev);
struct ti_tscadc_dev *tscadc_dev;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQWAKEUP,
0x00);

11
include/linux/input/ili210x.h
View File

@ -1,11 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ILI210X_H
#define _ILI210X_H
struct ili210x_platform_data {
unsigned long irq_flags;
unsigned int poll_period;
bool (*get_pendown_state)(void);
};
#endif