/*
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*
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* FocalTech TouchScreen driver.
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*
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* Copyright (c) 2012-2018, 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_core.h
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* Author: Focaltech Driver Team
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*
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* Created: 2016-08-08
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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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#ifndef __LINUX_FOCALTECH_CORE_H__
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#define __LINUX_FOCALTECH_CORE_H__
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/*****************************************************************************
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* Included header files
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*****************************************************************************/
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/input/mt.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/gpio.h>
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#include <linux/of_gpio.h>
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#include <linux/regulator/consumer.h>
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#include <linux/firmware.h>
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#include <linux/debugfs.h>
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#include <linux/mutex.h>
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#include <linux/wait.h>
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#include <linux/time.h>
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#include <linux/workqueue.h>
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#include <linux/fs.h>
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#include <linux/proc_fs.h>
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#include <linux/uaccess.h>
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/kthread.h>
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#include <linux/init.h>
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#include <linux/cdev.h>
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#include <linux/device.h>
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#include <linux/mount.h>
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#include <linux/netdevice.h>
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#include <linux/unistd.h>
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#include <linux/ioctl.h>
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#include <linux/vmalloc.h>
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#include "focaltech_common.h"
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/*****************************************************************************
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* Private constant and macro definitions using #define
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*****************************************************************************/
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#define FTS_MAX_POINTS_SUPPORT 10 /* constant value, can't be changed */
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#define FTS_MAX_KEYS 4
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#define FTS_KEY_WIDTH 50
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#define FTS_ONE_TCH_LEN 6
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#define FTS_MAX_ID 0x0A
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#define FTS_TOUCH_X_H_POS 3
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#define FTS_TOUCH_X_L_POS 4
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#define FTS_TOUCH_Y_H_POS 5
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#define FTS_TOUCH_Y_L_POS 6
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#define FTS_TOUCH_PRE_POS 7
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#define FTS_TOUCH_AREA_POS 8
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#define FTS_TOUCH_POINT_NUM 2
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#define FTS_TOUCH_EVENT_POS 3
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#define FTS_TOUCH_ID_POS 5
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#define FTS_COORDS_ARR_SIZE 4
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#define FTS_X_MIN_DISPLAY_DEFAULT 0
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#define FTS_Y_MIN_DISPLAY_DEFAULT 0
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#define FTS_X_MAX_DISPLAY_DEFAULT 1600
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#define FTS_Y_MAX_DISPLAY_DEFAULT 2176
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#define FTS_TOUCH_DOWN 0
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#define FTS_TOUCH_UP 1
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#define FTS_TOUCH_CONTACT 2
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#define EVENT_DOWN(flag) ((FTS_TOUCH_DOWN == flag) || (FTS_TOUCH_CONTACT == flag))
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#define EVENT_UP(flag) (FTS_TOUCH_UP == flag)
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#define EVENT_NO_DOWN(data) (!data->point_num)
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#define KEY_EN(data) (data->pdata->have_key)
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#define TOUCH_IS_KEY(y, key_y) (y == key_y)
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#define TOUCH_IN_RANGE(val, key_val, half) ((val > (key_val - half)) && (val < (key_val + half)))
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#define TOUCH_IN_KEY(x, key_x) TOUCH_IN_RANGE(x, key_x, FTS_KEY_WIDTH)
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#define FTX_MAX_COMPATIBLE_TYPE 4
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/*****************************************************************************
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* Private enumerations, structures and unions using typedef
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*****************************************************************************/
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struct fts_ts_platform_data {
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u32 irq_gpio;
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u32 irq_gpio_flags;
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u32 reset_gpio;
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u32 reset_gpio_flags;
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bool have_key;
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u32 key_number;
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u32 keys[FTS_MAX_KEYS];
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u32 key_y_coord;
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u32 key_x_coords[FTS_MAX_KEYS];
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u32 x_max;
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u32 y_max;
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u32 x_min;
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u32 y_min;
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u32 max_touch_number;
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};
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struct ts_event {
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int x; /*x coordinate */
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int y; /*y coordinate */
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int p; /* pressure */
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int flag; /* touch event flag: 0 -- down; 1-- up; 2 -- contact */
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int id; /*touch ID */
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int area;
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};
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struct fts_ts_data {
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struct i2c_client *client;
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struct input_dev *input_dev;
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struct fts_ts_platform_data *pdata;
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struct ts_ic_info ic_info;
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struct workqueue_struct *ts_workqueue;
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struct work_struct fwupg_work;
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struct delayed_work esdcheck_work;
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struct delayed_work prc_work;
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struct work_struct resume_work;
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struct regulator *vdd;
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struct regulator *vcc_i2c;
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spinlock_t irq_lock;
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struct mutex report_mutex;
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int irq;
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bool suspended;
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bool fw_loading;
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bool irq_disabled;
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bool power_disabled;
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/* multi-touch */
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struct ts_event *events;
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u8 *point_buf;
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int pnt_buf_size;
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int touchs;
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bool key_down;
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int touch_point;
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int point_num;
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struct proc_dir_entry *proc;
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u8 proc_opmode;
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#if FTS_PINCTRL_EN
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struct pinctrl *pinctrl;
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struct pinctrl_state *pins_active;
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struct pinctrl_state *pins_suspend;
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struct pinctrl_state *pins_release;
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#endif
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#if defined(CONFIG_FB)
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struct notifier_block fb_notif;
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#elif defined(CONFIG_HAS_EARLYSUSPEND)
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struct early_suspend early_suspend;
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#endif
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};
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/*****************************************************************************
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* Global variable or extern global variabls/functions
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*****************************************************************************/
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extern struct fts_ts_data *fts_data;
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/* i2c communication*/
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int fts_i2c_write_reg(struct i2c_client *client, u8 regaddr, u8 regvalue);
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int fts_i2c_read_reg(struct i2c_client *client, u8 regaddr, u8 *regvalue);
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int fts_i2c_read(struct i2c_client *client, char *writebuf, int writelen, char *readbuf, int readlen);
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int fts_i2c_write(struct i2c_client *client, char *writebuf, int writelen);
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void fts_i2c_hid2std(struct i2c_client *client);
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int fts_i2c_init(void);
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int fts_i2c_exit(void);
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/* Gesture functions */
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#if FTS_GESTURE_EN
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int fts_gesture_init(struct fts_ts_data *ts_data);
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int fts_gesture_exit(struct i2c_client *client);
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void fts_gesture_recovery(struct i2c_client *client);
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int fts_gesture_readdata(struct fts_ts_data *ts_data);
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int fts_gesture_suspend(struct i2c_client *i2c_client);
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int fts_gesture_resume(struct i2c_client *client);
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#endif
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/* Apk and functions */
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#if FTS_APK_NODE_EN
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int fts_create_apk_debug_channel(struct fts_ts_data *);
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void fts_release_apk_debug_channel(struct fts_ts_data *);
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#endif
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/* ADB functions */
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#if FTS_SYSFS_NODE_EN
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int fts_create_sysfs(struct i2c_client *client);
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int fts_remove_sysfs(struct i2c_client *client);
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#endif
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/* ESD */
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#if FTS_ESDCHECK_EN
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int fts_esdcheck_init(struct fts_ts_data *ts_data);
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int fts_esdcheck_exit(struct fts_ts_data *ts_data);
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int fts_esdcheck_switch(bool enable);
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int fts_esdcheck_proc_busy(bool proc_debug);
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int fts_esdcheck_set_intr(bool intr);
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int fts_esdcheck_suspend(void);
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int fts_esdcheck_resume(void);
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#endif
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/* Production test */
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#if FTS_TEST_EN
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int fts_test_init(struct i2c_client *client);
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int fts_test_exit(struct i2c_client *client);
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#endif
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/* Point Report Check*/
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#if FTS_POINT_REPORT_CHECK_EN
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int fts_point_report_check_init(struct fts_ts_data *ts_data);
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int fts_point_report_check_exit(struct fts_ts_data *ts_data);
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void fts_prc_queue_work(struct fts_ts_data *ts_data);
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#endif
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/* FW upgrade */
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int fts_upgrade_bin(struct i2c_client *client, char *fw_name, bool force);
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int fts_fwupg_init(struct fts_ts_data *ts_data);
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int fts_fwupg_exit(struct fts_ts_data *ts_data);
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/* Other */
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int fts_reset_proc(int hdelayms);
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int fts_wait_tp_to_valid(struct i2c_client *client);
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void fts_tp_state_recovery(struct i2c_client *client);
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int fts_ex_mode_init(struct i2c_client *client);
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int fts_ex_mode_exit(struct i2c_client *client);
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int fts_ex_mode_recovery(struct i2c_client *client);
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void fts_irq_disable(void);
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void fts_irq_enable(void);
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#endif /* __LINUX_FOCALTECH_CORE_H__ */
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