kernel_samsung_a34x-permissive/drivers/input/touchscreen/FT3518/focaltech_ex_mode.c
2024-04-28 15:51:13 +02:00

273 lines
6.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2016 MediaTek Inc.
*/
#include "focaltech_core.h"
/*****************************************************************************
* 2.Private constant and macro definitions using #define
*****************************************************************************/
/*****************************************************************************
* 3.Private enumerations, structures and unions using typedef
*****************************************************************************/
enum _ex_mode {
MODE_GLOVE = 0,
MODE_COVER,
MODE_CHARGER,
};
/*****************************************************************************
* 4.Static variables
*****************************************************************************/
/*****************************************************************************
* 5.Global variable or extern global variabls/functions
*****************************************************************************/
/*****************************************************************************
* 6.Static function prototypes
*************************************************************************/
static int fts_ex_mode_switch(enum _ex_mode mode, u8 value)
{
int ret = 0;
u8 m_val = 0;
if (value)
m_val = 0x01;
else
m_val = 0x00;
switch (mode) {
case MODE_GLOVE:
ret = fts_write_reg(FTS_REG_GLOVE_MODE_EN, m_val);
if (ret < 0)
FTS_ERROR("MODE_GLOVE switch to %d fail", m_val);
break;
case MODE_COVER:
ret = fts_write_reg(FTS_REG_COVER_MODE_EN, m_val);
if (ret < 0)
FTS_ERROR("MODE_COVER switch to %d fail", m_val);
break;
case MODE_CHARGER:
ret = fts_write_reg(FTS_REG_CHARGER_MODE_EN, m_val);
if (ret < 0)
FTS_ERROR("MODE_CHARGER switch to %d fail", m_val);
break;
default:
FTS_ERROR("mode(%d) unsupport", mode);
ret = -EINVAL;
break;
}
return ret;
}
static ssize_t fts_glove_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_GLOVE_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Glove Mode:%s\n",
ts_data->glove_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Glove Reg(0xC0):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_glove_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->glove_mode) {
FTS_DEBUG("enter glove mode");
ret = fts_ex_mode_switch(MODE_GLOVE, ENABLE);
if (ret >= 0)
ts_data->glove_mode = ENABLE;
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->glove_mode) {
FTS_DEBUG("exit glove mode");
ret = fts_ex_mode_switch(MODE_GLOVE, DISABLE);
if (ret >= 0)
ts_data->glove_mode = DISABLE;
}
}
FTS_DEBUG("glove mode:%d", ts_data->glove_mode);
return count;
}
static ssize_t fts_cover_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_COVER_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Cover Mode:%s\n",
ts_data->cover_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Cover Reg(0xC1):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_cover_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->cover_mode) {
FTS_DEBUG("enter cover mode");
ret = fts_ex_mode_switch(MODE_COVER, ENABLE);
if (ret >= 0)
ts_data->cover_mode = ENABLE;
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->cover_mode) {
FTS_DEBUG("exit cover mode");
ret = fts_ex_mode_switch(MODE_COVER, DISABLE);
if (ret >= 0)
ts_data->cover_mode = DISABLE;
}
}
FTS_DEBUG("cover mode:%d", ts_data->cover_mode);
return count;
}
static ssize_t fts_charger_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_CHARGER_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Charger Mode:%s\n",
ts_data->charger_mode ? "On" : "Off");
count +=
snprintf(buf + count, PAGE_SIZE, "Charger Reg(0x8B):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_charger_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->charger_mode) {
FTS_DEBUG("enter charger mode");
ret = fts_ex_mode_switch(MODE_CHARGER, ENABLE);
if (ret >= 0)
ts_data->charger_mode = ENABLE;
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->charger_mode) {
FTS_DEBUG("exit charger mode");
ret = fts_ex_mode_switch(MODE_CHARGER, DISABLE);
if (ret >= 0)
ts_data->charger_mode = DISABLE;
}
}
FTS_DEBUG("charger mode:%d", ts_data->glove_mode);
return count;
}
/* read and write charger mode
* read example: cat fts_glove_mode ---read glove mode
* write example:echo 1 > fts_glove_mode ---write glove mode to 01
*/
static DEVICE_ATTR_RW(fts_glove_mode);
static DEVICE_ATTR_RW(fts_cover_mode);
static DEVICE_ATTR_RW(fts_charger_mode);
static struct attribute *fts_touch_mode_attrs[] = {
&dev_attr_fts_glove_mode.attr, &dev_attr_fts_cover_mode.attr,
&dev_attr_fts_charger_mode.attr, NULL,
};
static struct attribute_group fts_touch_mode_group = {
.attrs = fts_touch_mode_attrs,
};
int fts_ex_mode_recovery(struct fts_ts_data *ts_data)
{
if (ts_data->glove_mode)
fts_ex_mode_switch(MODE_GLOVE, ENABLE);
if (ts_data->cover_mode)
fts_ex_mode_switch(MODE_COVER, ENABLE);
if (ts_data->charger_mode)
fts_ex_mode_switch(MODE_CHARGER, ENABLE);
return 0;
}
int fts_ex_mode_init(struct fts_ts_data *ts_data)
{
int ret = 0;
ts_data->glove_mode = DISABLE;
ts_data->cover_mode = DISABLE;
ts_data->charger_mode = DISABLE;
ret = sysfs_create_group(&ts_data->dev->kobj, &fts_touch_mode_group);
if (ret < 0) {
FTS_ERROR("create sysfs(ex_mode) fail");
sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
return ret;
}
FTS_DEBUG("create sysfs(ex_mode) succeedfully");
return 0;
}
int fts_ex_mode_exit(struct fts_ts_data *ts_data)
{
sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
return 0;
}