/*
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*
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* FocalTech ftxxxx TouchScreen driver.
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*
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* Copyright (c) 2012-2019, Focaltech Ltd. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*****************************************************************************
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*
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* File Name: focaltech_ex_mode.c
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*
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* Author: Focaltech Driver Team
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*
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* Created: 2016-08-31
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*
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* Abstract:
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*
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* Reference:
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*
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*****************************************************************************/
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/*****************************************************************************
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* 1.Included header files
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*****************************************************************************/
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#include "focaltech_core.h"
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/*****************************************************************************
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* 2.Private constant and macro definitions using #define
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*****************************************************************************/
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/*****************************************************************************
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* 3.Private enumerations, structures and unions using typedef
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*****************************************************************************/
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enum _ex_mode {
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MODE_GLOVE = 0,
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MODE_COVER,
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MODE_CHARGER,
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};
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/*****************************************************************************
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* 4.Static variables
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*****************************************************************************/
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/*****************************************************************************
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* 5.Global variable or extern global variabls/functions
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*****************************************************************************/
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/*****************************************************************************
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* 6.Static function prototypes
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*******************************************************************************/
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static int fts_ex_mode_switch(enum _ex_mode mode, u8 value)
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{
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int ret = 0;
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u8 m_val = 0;
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if (value)
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m_val = 0x01;
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else
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m_val = 0x00;
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switch (mode) {
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case MODE_GLOVE:
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ret = fts_write_reg(FTS_REG_GLOVE_MODE_EN, m_val);
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if (ret < 0) {
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FTS_ERROR("MODE_GLOVE switch to %d fail", m_val);
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}
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break;
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case MODE_COVER:
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ret = fts_write_reg(FTS_REG_COVER_MODE_EN, m_val);
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if (ret < 0) {
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FTS_ERROR("MODE_COVER switch to %d fail", m_val);
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}
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break;
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case MODE_CHARGER:
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ret = fts_write_reg(FTS_REG_CHARGER_MODE_EN, m_val);
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if (ret < 0) {
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FTS_ERROR("MODE_CHARGER switch to %d fail", m_val);
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}
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break;
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default:
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FTS_ERROR("mode(%d) unsupport", mode);
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static ssize_t fts_glove_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 val = 0;
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struct fts_ts_data *ts_data = fts_data;
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struct input_dev *input_dev = ts_data->input_dev;
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mutex_lock(&input_dev->mutex);
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fts_read_reg(FTS_REG_GLOVE_MODE_EN, &val);
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count = snprintf(buf + count, PAGE_SIZE, "Glove Mode:%s\n",
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ts_data->glove_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Glove Reg(0xC0):%d\n", val);
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mutex_unlock(&input_dev->mutex);
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return count;
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}
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static ssize_t fts_glove_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int ret = 0;
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struct fts_ts_data *ts_data = fts_data;
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if (FTS_SYSFS_ECHO_ON(buf)) {
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if (!ts_data->glove_mode) {
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FTS_DEBUG("enter glove mode");
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ret = fts_ex_mode_switch(MODE_GLOVE, ENABLE);
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if (ret >= 0) {
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ts_data->glove_mode = ENABLE;
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}
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}
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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if (ts_data->glove_mode) {
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FTS_DEBUG("exit glove mode");
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ret = fts_ex_mode_switch(MODE_GLOVE, DISABLE);
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if (ret >= 0) {
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ts_data->glove_mode = DISABLE;
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}
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}
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}
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FTS_DEBUG("glove mode:%d", ts_data->glove_mode);
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return count;
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}
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static ssize_t fts_cover_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 val = 0;
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struct fts_ts_data *ts_data = fts_data;
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struct input_dev *input_dev = ts_data->input_dev;
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mutex_lock(&input_dev->mutex);
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fts_read_reg(FTS_REG_COVER_MODE_EN, &val);
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count = snprintf(buf + count, PAGE_SIZE, "Cover Mode:%s\n",
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ts_data->cover_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Cover Reg(0xC1):%d\n", val);
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mutex_unlock(&input_dev->mutex);
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return count;
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}
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static ssize_t fts_cover_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int ret = 0;
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struct fts_ts_data *ts_data = fts_data;
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if (FTS_SYSFS_ECHO_ON(buf)) {
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if (!ts_data->cover_mode) {
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FTS_DEBUG("enter cover mode");
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ret = fts_ex_mode_switch(MODE_COVER, ENABLE);
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if (ret >= 0) {
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ts_data->cover_mode = ENABLE;
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}
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}
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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if (ts_data->cover_mode) {
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FTS_DEBUG("exit cover mode");
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ret = fts_ex_mode_switch(MODE_COVER, DISABLE);
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if (ret >= 0) {
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ts_data->cover_mode = DISABLE;
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}
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}
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}
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FTS_DEBUG("cover mode:%d", ts_data->cover_mode);
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return count;
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}
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static ssize_t fts_charger_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 val = 0;
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struct fts_ts_data *ts_data = fts_data;
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struct input_dev *input_dev = ts_data->input_dev;
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mutex_lock(&input_dev->mutex);
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fts_read_reg(FTS_REG_CHARGER_MODE_EN, &val);
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count = snprintf(buf + count, PAGE_SIZE, "Charger Mode:%s\n",
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ts_data->charger_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Charger Reg(0x8B):%d\n", val);
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mutex_unlock(&input_dev->mutex);
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return count;
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}
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static ssize_t fts_charger_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int ret = 0;
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struct fts_ts_data *ts_data = fts_data;
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if (FTS_SYSFS_ECHO_ON(buf)) {
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if (!ts_data->charger_mode) {
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FTS_DEBUG("enter charger mode");
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ret = fts_ex_mode_switch(MODE_CHARGER, ENABLE);
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if (ret >= 0) {
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ts_data->charger_mode = ENABLE;
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}
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}
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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if (ts_data->charger_mode) {
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FTS_DEBUG("exit charger mode");
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ret = fts_ex_mode_switch(MODE_CHARGER, DISABLE);
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if (ret >= 0) {
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ts_data->charger_mode = DISABLE;
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}
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}
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}
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FTS_DEBUG("charger mode:%d", ts_data->glove_mode);
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return count;
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}
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/* read and write charger mode
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* read example: cat fts_glove_mode ---read glove mode
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* write example:echo 1 > fts_glove_mode ---write glove mode to 01
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*/
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static DEVICE_ATTR(fts_glove_mode, S_IRUGO | S_IWUSR,
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fts_glove_mode_show, fts_glove_mode_store);
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static DEVICE_ATTR(fts_cover_mode, S_IRUGO | S_IWUSR,
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fts_cover_mode_show, fts_cover_mode_store);
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static DEVICE_ATTR(fts_charger_mode, S_IRUGO | S_IWUSR,
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fts_charger_mode_show, fts_charger_mode_store);
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static struct attribute *fts_touch_mode_attrs[] = {
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&dev_attr_fts_glove_mode.attr,
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&dev_attr_fts_cover_mode.attr,
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&dev_attr_fts_charger_mode.attr,
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NULL,
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};
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static struct attribute_group fts_touch_mode_group = {
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.attrs = fts_touch_mode_attrs,
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};
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int fts_ex_mode_recovery(struct fts_ts_data *ts_data)
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{
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if (ts_data->glove_mode) {
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fts_ex_mode_switch(MODE_GLOVE, ENABLE);
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}
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if (ts_data->cover_mode) {
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fts_ex_mode_switch(MODE_COVER, ENABLE);
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}
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if (ts_data->charger_mode) {
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fts_ex_mode_switch(MODE_CHARGER, ENABLE);
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}
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return 0;
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}
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int fts_ex_mode_init(struct fts_ts_data *ts_data)
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{
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int ret = 0;
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ts_data->glove_mode = DISABLE;
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ts_data->cover_mode = DISABLE;
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ts_data->charger_mode = DISABLE;
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ret = sysfs_create_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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if (ret < 0) {
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FTS_ERROR("create sysfs(ex_mode) fail");
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sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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return ret;
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} else {
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FTS_DEBUG("create sysfs(ex_mode) succeedfully");
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}
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return 0;
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}
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int fts_ex_mode_exit(struct fts_ts_data *ts_data)
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{
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sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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return 0;
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}
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