forked from luck/tmp_suning_uos_patched
Input: Remove the max77843 haptic driver
The max77693 haptic driver supports Maxim 77843 device so remove the max77843 driver. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Krzysztof Kozlowski
Mark Brown
parent
56bbc99e69
commit
38a986c075
|
|
@ -177,18 +177,6 @@ config INPUT_MAX77693_HAPTIC
|
|||
To compile this driver as module, choose M here: the
|
||||
module will be called max77693-haptic.
|
||||
|
||||
config INPUT_MAX77843_HAPTIC
|
||||
tristate "MAXIM MAX77843 haptic controller support"
|
||||
depends on MFD_MAX77843 && REGULATOR
|
||||
select INPUT_FF_MEMLESS
|
||||
help
|
||||
This option enables support for the haptic controller on
|
||||
MAXIM MAX77843 chip. The driver supports ff-memless interface
|
||||
from input framework.
|
||||
|
||||
To compile this driver as module, choose M here: the
|
||||
module will be called max77843-haptic.
|
||||
|
||||
config INPUT_MAX8925_ONKEY
|
||||
tristate "MAX8925 ONKEY support"
|
||||
depends on MFD_MAX8925
|
||||
|
|
|
|||
|
|
@ -41,7 +41,6 @@ obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
|
|||
obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o
|
||||
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
|
||||
obj-$(CONFIG_INPUT_MAX77693_HAPTIC) += max77693-haptic.o
|
||||
obj-$(CONFIG_INPUT_MAX77843_HAPTIC) += max77843-haptic.o
|
||||
obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o
|
||||
obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o
|
||||
obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o
|
||||
|
|
|
|||
|
|
@ -1,359 +0,0 @@
|
|||
/*
|
||||
* MAXIM MAX77693 Haptic device driver
|
||||
*
|
||||
* Copyright (C) 2015 Samsung Electronics
|
||||
* Author: Jaewon Kim <jaewon02.kim@samsung.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/err.h>
|
||||
#include <linux/i2c.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/mfd/max77693-common.h>
|
||||
#include <linux/mfd/max77843-private.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/pwm.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <linux/regulator/consumer.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/workqueue.h>
|
||||
|
||||
#define MAX_MAGNITUDE_SHIFT 16
|
||||
|
||||
enum max77843_haptic_motor_type {
|
||||
MAX77843_HAPTIC_ERM = 0,
|
||||
MAX77843_HAPTIC_LRA,
|
||||
};
|
||||
|
||||
enum max77843_haptic_pwm_divisor {
|
||||
MAX77843_HAPTIC_PWM_DIVISOR_32 = 0,
|
||||
MAX77843_HAPTIC_PWM_DIVISOR_64,
|
||||
MAX77843_HAPTIC_PWM_DIVISOR_128,
|
||||
MAX77843_HAPTIC_PWM_DIVISOR_256,
|
||||
};
|
||||
|
||||
struct max77843_haptic {
|
||||
struct regmap *regmap_haptic;
|
||||
struct device *dev;
|
||||
struct input_dev *input_dev;
|
||||
struct pwm_device *pwm_dev;
|
||||
struct regulator *motor_reg;
|
||||
struct work_struct work;
|
||||
struct mutex mutex;
|
||||
|
||||
unsigned int magnitude;
|
||||
unsigned int pwm_duty;
|
||||
|
||||
bool active;
|
||||
bool suspended;
|
||||
|
||||
enum max77843_haptic_motor_type type;
|
||||
enum max77843_haptic_pwm_divisor pwm_divisor;
|
||||
};
|
||||
|
||||
static int max77843_haptic_set_duty_cycle(struct max77843_haptic *haptic)
|
||||
{
|
||||
int delta = (haptic->pwm_dev->period + haptic->pwm_duty) / 2;
|
||||
int error;
|
||||
|
||||
error = pwm_config(haptic->pwm_dev, delta, haptic->pwm_dev->period);
|
||||
if (error) {
|
||||
dev_err(haptic->dev, "failed to configure pwm: %d\n", error);
|
||||
return error;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int max77843_haptic_bias(struct max77843_haptic *haptic, bool on)
|
||||
{
|
||||
int error;
|
||||
|
||||
error = regmap_update_bits(haptic->regmap_haptic,
|
||||
MAX77843_SYS_REG_MAINCTRL1,
|
||||
MAX77843_MAINCTRL1_BIASEN_MASK,
|
||||
on << MAINCTRL1_BIASEN_SHIFT);
|
||||
if (error) {
|
||||
dev_err(haptic->dev, "failed to %s bias: %d\n",
|
||||
on ? "enable" : "disable", error);
|
||||
return error;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int max77843_haptic_config(struct max77843_haptic *haptic, bool enable)
|
||||
{
|
||||
unsigned int value;
|
||||
int error;
|
||||
|
||||
value = (haptic->type << MCONFIG_MODE_SHIFT) |
|
||||
(enable << MCONFIG_MEN_SHIFT) |
|
||||
(haptic->pwm_divisor << MCONFIG_PDIV_SHIFT);
|
||||
|
||||
error = regmap_write(haptic->regmap_haptic,
|
||||
MAX77843_HAP_REG_MCONFIG, value);
|
||||
if (error) {
|
||||
dev_err(haptic->dev,
|
||||
"failed to update haptic config: %d\n", error);
|
||||
return error;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int max77843_haptic_enable(struct max77843_haptic *haptic)
|
||||
{
|
||||
int error;
|
||||
|
||||
if (haptic->active)
|
||||
return 0;
|
||||
|
||||
error = pwm_enable(haptic->pwm_dev);
|
||||
if (error) {
|
||||
dev_err(haptic->dev,
|
||||
"failed to enable pwm device: %d\n", error);
|
||||
return error;
|
||||
}
|
||||
|
||||
error = max77843_haptic_config(haptic, true);
|
||||
if (error)
|
||||
goto err_config;
|
||||
|
||||
haptic->active = true;
|
||||
|
||||
return 0;
|
||||
|
||||
err_config:
|
||||
pwm_disable(haptic->pwm_dev);
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
static int max77843_haptic_disable(struct max77843_haptic *haptic)
|
||||
{
|
||||
int error;
|
||||
|
||||
if (!haptic->active)
|
||||
return 0;
|
||||
|
||||
error = max77843_haptic_config(haptic, false);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
pwm_disable(haptic->pwm_dev);
|
||||
|
||||
haptic->active = false;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void max77843_haptic_play_work(struct work_struct *work)
|
||||
{
|
||||
struct max77843_haptic *haptic =
|
||||
container_of(work, struct max77843_haptic, work);
|
||||
int error;
|
||||
|
||||
mutex_lock(&haptic->mutex);
|
||||
|
||||
if (haptic->suspended)
|
||||
goto out_unlock;
|
||||
|
||||
if (haptic->magnitude) {
|
||||
error = max77843_haptic_set_duty_cycle(haptic);
|
||||
if (error) {
|
||||
dev_err(haptic->dev,
|
||||
"failed to set duty cycle: %d\n", error);
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
error = max77843_haptic_enable(haptic);
|
||||
if (error)
|
||||
dev_err(haptic->dev,
|
||||
"cannot enable haptic: %d\n", error);
|
||||
} else {
|
||||
error = max77843_haptic_disable(haptic);
|
||||
if (error)
|
||||
dev_err(haptic->dev,
|
||||
"cannot disable haptic: %d\n", error);
|
||||
}
|
||||
|
||||
out_unlock:
|
||||
mutex_unlock(&haptic->mutex);
|
||||
}
|
||||
|
||||
static int max77843_haptic_play_effect(struct input_dev *dev, void *data,
|
||||
struct ff_effect *effect)
|
||||
{
|
||||
struct max77843_haptic *haptic = input_get_drvdata(dev);
|
||||
u64 period_mag_multi;
|
||||
|
||||
haptic->magnitude = effect->u.rumble.strong_magnitude;
|
||||
if (!haptic->magnitude)
|
||||
haptic->magnitude = effect->u.rumble.weak_magnitude;
|
||||
|
||||
period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude;
|
||||
haptic->pwm_duty = (unsigned int)(period_mag_multi >>
|
||||
MAX_MAGNITUDE_SHIFT);
|
||||
|
||||
schedule_work(&haptic->work);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int max77843_haptic_open(struct input_dev *dev)
|
||||
{
|
||||
struct max77843_haptic *haptic = input_get_drvdata(dev);
|
||||
int error;
|
||||
|
||||
error = max77843_haptic_bias(haptic, true);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
error = regulator_enable(haptic->motor_reg);
|
||||
if (error) {
|
||||
dev_err(haptic->dev,
|
||||
"failed to enable regulator: %d\n", error);
|
||||
return error;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void max77843_haptic_close(struct input_dev *dev)
|
||||
{
|
||||
struct max77843_haptic *haptic = input_get_drvdata(dev);
|
||||
int error;
|
||||
|
||||
cancel_work_sync(&haptic->work);
|
||||
max77843_haptic_disable(haptic);
|
||||
|
||||
error = regulator_disable(haptic->motor_reg);
|
||||
if (error)
|
||||
dev_err(haptic->dev,
|
||||
"failed to disable regulator: %d\n", error);
|
||||
|
||||
max77843_haptic_bias(haptic, false);
|
||||
}
|
||||
|
||||
static int max77843_haptic_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct max77693_dev *max77843 = dev_get_drvdata(pdev->dev.parent);
|
||||
struct max77843_haptic *haptic;
|
||||
int error;
|
||||
|
||||
haptic = devm_kzalloc(&pdev->dev, sizeof(*haptic), GFP_KERNEL);
|
||||
if (!haptic)
|
||||
return -ENOMEM;
|
||||
|
||||
haptic->regmap_haptic = max77843->regmap;
|
||||
haptic->dev = &pdev->dev;
|
||||
haptic->type = MAX77843_HAPTIC_LRA;
|
||||
haptic->pwm_divisor = MAX77843_HAPTIC_PWM_DIVISOR_128;
|
||||
|
||||
INIT_WORK(&haptic->work, max77843_haptic_play_work);
|
||||
mutex_init(&haptic->mutex);
|
||||
|
||||
haptic->pwm_dev = devm_pwm_get(&pdev->dev, NULL);
|
||||
if (IS_ERR(haptic->pwm_dev)) {
|
||||
dev_err(&pdev->dev, "failed to get pwm device\n");
|
||||
return PTR_ERR(haptic->pwm_dev);
|
||||
}
|
||||
|
||||
haptic->motor_reg = devm_regulator_get_exclusive(&pdev->dev, "haptic");
|
||||
if (IS_ERR(haptic->motor_reg)) {
|
||||
dev_err(&pdev->dev, "failed to get regulator\n");
|
||||
return PTR_ERR(haptic->motor_reg);
|
||||
}
|
||||
|
||||
haptic->input_dev = devm_input_allocate_device(&pdev->dev);
|
||||
if (!haptic->input_dev) {
|
||||
dev_err(&pdev->dev, "failed to allocate input device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
haptic->input_dev->name = "max77843-haptic";
|
||||
haptic->input_dev->id.version = 1;
|
||||
haptic->input_dev->dev.parent = &pdev->dev;
|
||||
haptic->input_dev->open = max77843_haptic_open;
|
||||
haptic->input_dev->close = max77843_haptic_close;
|
||||
input_set_drvdata(haptic->input_dev, haptic);
|
||||
input_set_capability(haptic->input_dev, EV_FF, FF_RUMBLE);
|
||||
|
||||
error = input_ff_create_memless(haptic->input_dev, NULL,
|
||||
max77843_haptic_play_effect);
|
||||
if (error) {
|
||||
dev_err(&pdev->dev, "failed to create force-feedback\n");
|
||||
return error;
|
||||
}
|
||||
|
||||
error = input_register_device(haptic->input_dev);
|
||||
if (error) {
|
||||
dev_err(&pdev->dev, "failed to register input device\n");
|
||||
return error;
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, haptic);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused max77843_haptic_suspend(struct device *dev)
|
||||
{
|
||||
struct platform_device *pdev = to_platform_device(dev);
|
||||
struct max77843_haptic *haptic = platform_get_drvdata(pdev);
|
||||
int error;
|
||||
|
||||
error = mutex_lock_interruptible(&haptic->mutex);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
max77843_haptic_disable(haptic);
|
||||
|
||||
haptic->suspended = true;
|
||||
|
||||
mutex_unlock(&haptic->mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused max77843_haptic_resume(struct device *dev)
|
||||
{
|
||||
struct platform_device *pdev = to_platform_device(dev);
|
||||
struct max77843_haptic *haptic = platform_get_drvdata(pdev);
|
||||
unsigned int magnitude;
|
||||
|
||||
mutex_lock(&haptic->mutex);
|
||||
|
||||
haptic->suspended = false;
|
||||
|
||||
magnitude = ACCESS_ONCE(haptic->magnitude);
|
||||
if (magnitude)
|
||||
max77843_haptic_enable(haptic);
|
||||
|
||||
mutex_unlock(&haptic->mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static SIMPLE_DEV_PM_OPS(max77843_haptic_pm_ops,
|
||||
max77843_haptic_suspend, max77843_haptic_resume);
|
||||
|
||||
static struct platform_driver max77843_haptic_driver = {
|
||||
.driver = {
|
||||
.name = "max77843-haptic",
|
||||
.pm = &max77843_haptic_pm_ops,
|
||||
},
|
||||
.probe = max77843_haptic_probe,
|
||||
};
|
||||
module_platform_driver(max77843_haptic_driver);
|
||||
|
||||
MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>");
|
||||
MODULE_DESCRIPTION("MAXIM MAX77843 Haptic driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue
Block a user