diff options
Diffstat (limited to 'drivers/input/touchscreen/focaltech_touch/focaltech_ex_mode.c')
| -rw-r--r-- | drivers/input/touchscreen/focaltech_touch/focaltech_ex_mode.c | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/focaltech_touch/focaltech_ex_mode.c b/drivers/input/touchscreen/focaltech_touch/focaltech_ex_mode.c new file mode 100644 index 000000000000..6ab5d47170cc --- /dev/null +++ b/drivers/input/touchscreen/focaltech_touch/focaltech_ex_mode.c @@ -0,0 +1,357 @@ +/* + * + * FocalTech ftxxxx TouchScreen driver. + * + * Copyright (c) 2010-2016, Focaltech Ltd. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +/***************************************************************************** +* +* File Name: focaltech_ex_mode.c +* +* Author: Liu WeiGuang +* +* Created: 2016-08-31 +* +* Abstract: +* +* Reference: +* +*****************************************************************************/ + +/***************************************************************************** +* 1.Included header files +*****************************************************************************/ +#include "focaltech_core.h" + +/***************************************************************************** +* 2.Private constant and macro definitions using #define +*****************************************************************************/ + +/***************************************************************************** +* 3.Private enumerations, structures and unions using typedef +*****************************************************************************/ +struct fts_mode_flag { + int fts_glove_mode_flag; + int fts_cover_mode_flag; + int fts_charger_mode_flag; +}; + +struct fts_mode_flag g_fts_mode_flag; + +/***************************************************************************** +* 4.Static variables +*****************************************************************************/ + +/***************************************************************************** +* 5.Global variable or extern global variabls/functions +*****************************************************************************/ +int fts_enter_glove_mode(struct i2c_client *client, int mode); +int fts_glove_init(struct i2c_client *client); +int fts_glove_exit(struct i2c_client *client); + +int fts_enter_cover_mode(struct i2c_client *client, int mode); +int fts_cover_init(struct i2c_client *client); +int fts_cover_exit(struct i2c_client *client); + +int fts_enter_charger_mode(struct i2c_client *client, int mode); +int fts_charger_init(struct i2c_client *client); +int fts_charger_exit(struct i2c_client *client); + +/***************************************************************************** +* 6.Static function prototypes +*******************************************************************************/ + +#if FTS_GLOVE_EN +static ssize_t fts_touch_glove_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "Glove: %s\n", + g_fts_mode_flag.fts_glove_mode_flag ? "On" : "Off"); +} + +static ssize_t fts_touch_glove_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret; + + if (FTS_SYSFS_ECHO_ON(buf)) { + if (!g_fts_mode_flag.fts_glove_mode_flag) { + FTS_INFO("[Mode]enter glove mode"); + ret = fts_enter_glove_mode(fts_i2c_client, true); + if (ret >= 0) + g_fts_mode_flag.fts_glove_mode_flag = true; + } + } else if (FTS_SYSFS_ECHO_OFF(buf)) { + if (g_fts_mode_flag.fts_glove_mode_flag) { + FTS_INFO("[Mode]exit glove mode"); + ret = fts_enter_glove_mode(fts_i2c_client, false); + if (ret >= 0) + g_fts_mode_flag.fts_glove_mode_flag = false; + } + } + FTS_INFO("[Mode]glove mode status: %d", + g_fts_mode_flag.fts_glove_mode_flag); + return count; +} + +/************************************************************************ +* Name: fts_enter_glove_mode +* Brief: change glove mode +* Input: glove mode +* Output: no +* Return: success >=0, otherwise failed +***********************************************************************/ +int fts_enter_glove_mode(struct i2c_client *client, int mode) +{ + int ret = 0; + static u8 buf_addr[2] = { 0 }; + static u8 buf_value[2] = { 0 }; + + buf_addr[0] = FTS_REG_GLOVE_MODE_EN; + + if (mode) + buf_value[0] = 0x01; + else + buf_value[0] = 0x00; + + ret = fts_i2c_write_reg(client, buf_addr[0], buf_value[0]); + if (ret < 0) + FTS_ERROR("[Mode]fts_enter_glove_mode write value fail"); + + return ret; + +} + +/* read and write glove mode +* read example: cat fts_touch_glove_mode---read glove mode +* write example:echo 01 > fts_touch_glove_mode ---write glove mode to 01 +* +*/ +static DEVICE_ATTR(fts_glove_mode, S_IRUGO | S_IWUSR, fts_touch_glove_show, + fts_touch_glove_store); + +#endif + +#if FTS_COVER_EN +static ssize_t fts_touch_cover_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "Cover: %s\n", + g_fts_mode_flag.fts_cover_mode_flag ? "On" : "Off"); +} + +static ssize_t fts_touch_cover_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret; + + if (FTS_SYSFS_ECHO_ON(buf)) { + if (!g_fts_mode_flag.fts_cover_mode_flag) { + FTS_INFO("[Mode]enter cover mode"); + ret = fts_enter_cover_mode(fts_i2c_client, true); + if (ret >= 0) + g_fts_mode_flag.fts_cover_mode_flag = true; + } + } else if (FTS_SYSFS_ECHO_OFF(buf)) { + if (g_fts_mode_flag.fts_cover_mode_flag) { + FTS_INFO("[Mode]exit cover mode"); + ret = fts_enter_cover_mode(fts_i2c_client, false); + if (ret >= 0) + g_fts_mode_flag.fts_cover_mode_flag = false; + } + } + FTS_INFO("[Mode]cover mode status: %d", + g_fts_mode_flag.fts_cover_mode_flag); + return count; +} + +/************************************************************************ +* Name: fts_enter_cover_mode +* Brief: change cover mode +* Input: cover mode +* Output: no +* Return: success >=0, otherwise failed +***********************************************************************/ +int fts_enter_cover_mode(struct i2c_client *client, int mode) +{ + int ret = 0; + static u8 buf_addr[2] = { 0 }; + static u8 buf_value[2] = { 0 }; + + buf_addr[0] = FTS_REG_COVER_MODE_EN; + + if (mode) + buf_value[0] = 0x01; + else + buf_value[0] = 0x00; + + ret = fts_i2c_write_reg(client, buf_addr[0], buf_value[0]); + if (ret < 0) + FTS_ERROR("[Mode] fts_enter_cover_mode write value fail\n"); + + return ret; + +} + +/* read and write cover mode +* read example: cat fts_touch_cover_mode---read cover mode +* write example:echo 01 > fts_touch_cover_mode ---write cover mode to 01 +* +*/ +static DEVICE_ATTR(fts_cover_mode, S_IRUGO | S_IWUSR, fts_touch_cover_show, + fts_touch_cover_store); + +#endif + +#if FTS_CHARGER_EN +static ssize_t fts_touch_charger_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "Charger: %s\n", + g_fts_mode_flag.fts_charger_mode_flag ? "On" : "Off"); +} + +static ssize_t fts_touch_charger_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret; + + if (FTS_SYSFS_ECHO_ON(buf)) { + if (!g_fts_mode_flag.fts_charger_mode_flag) { + FTS_INFO("[Mode]enter charger mode"); + ret = fts_enter_charger_mode(fts_i2c_client, true); + if (ret >= 0) + g_fts_mode_flag.fts_charger_mode_flag = true; + } + } else if (FTS_SYSFS_ECHO_OFF(buf)) { + if (g_fts_mode_flag.fts_charger_mode_flag) { + FTS_INFO("[Mode]exit charger mode"); + ret = fts_enter_charger_mode(fts_i2c_client, false); + if (ret >= 0) + g_fts_mode_flag.fts_charger_mode_flag = false; + } + } + FTS_INFO("[Mode]charger mode status: %d", + g_fts_mode_flag.fts_charger_mode_flag); + return count; +} + +/************************************************************************ +* Name: fts_enter_charger_mode +* Brief: change charger mode +* Input: charger mode +* Output: no +* Return: success >=0, otherwise failed +***********************************************************************/ +int fts_enter_charger_mode(struct i2c_client *client, int mode) +{ + int ret = 0; + static u8 buf_addr[2] = { 0 }; + static u8 buf_value[2] = { 0 }; + + buf_addr[0] = FTS_REG_CHARGER_MODE_EN; + + if (mode) + buf_value[0] = 0x01; + else + buf_value[0] = 0x00; + + ret = fts_i2c_write_reg(client, buf_addr[0], buf_value[0]); + if (ret < 0) + FTS_DEBUG("[Mode]fts_enter_charger_mode write value fail"); + + return ret; + +} + +/* read and write charger mode +* read example: cat fts_touch_charger_mode---read charger mode +* write example:echo 01 > fts_touch_charger_mode ---write charger mode to 01 +* +*/ +static DEVICE_ATTR(fts_charger_mode, S_IRUGO | S_IWUSR, fts_touch_charger_show, + fts_touch_charger_store); + +#endif + +static struct attribute *fts_touch_mode_attrs[] = { +#if FTS_GLOVE_EN + &dev_attr_fts_glove_mode.attr, +#endif + +#if FTS_COVER_EN + &dev_attr_fts_cover_mode.attr, +#endif + +#if FTS_CHARGER_EN + &dev_attr_fts_charger_mode.attr, +#endif + + NULL, +}; + +static struct attribute_group fts_touch_mode_group = { + .attrs = fts_touch_mode_attrs, +}; + +int fts_ex_mode_init(struct i2c_client *client) +{ + int err = 0; + + g_fts_mode_flag.fts_glove_mode_flag = false; + g_fts_mode_flag.fts_cover_mode_flag = false; + g_fts_mode_flag.fts_charger_mode_flag = false; + + err = sysfs_create_group(&client->dev.kobj, &fts_touch_mode_group); + if (0 != err) { + FTS_ERROR("[Mode]create sysfs failed."); + sysfs_remove_group(&client->dev.kobj, &fts_touch_mode_group); + return -EIO; + } + + FTS_DEBUG("[Mode]create sysfs succeeded"); + + return err; + +} + +int fts_ex_mode_exit(struct i2c_client *client) +{ + sysfs_remove_group(&client->dev.kobj, &fts_touch_mode_group); + return 0; +} + +int fts_ex_mode_recovery(struct i2c_client *client) +{ + int ret = 0; +#if FTS_GLOVE_EN + if (g_fts_mode_flag.fts_glove_mode_flag) + ret = fts_enter_glove_mode(client, true); +#endif + +#if FTS_COVER_EN + if (g_fts_mode_flag.fts_cover_mode_flag) + ret = fts_enter_cover_mode(client, true); +#endif + +#if FTS_CHARGER_EN + if (g_fts_mode_flag.fts_charger_mode_flag) + ret = fts_enter_charger_mode(client, true); +#endif + + return ret; +} |