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/*
* fts.c
*
* FTS Capacitive touch screen controller (FingerTipS)
*
* Copyright (C) 2016, STMicroelectronics Limited.
* Authors: AMG(Analog Mems Group)
*
* marco.cali@st.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef _LINUX_FTS_I2C_H_
#define _LINUX_FTS_I2C_H_
#include "fts_lib/ftsSoftware.h"
#include "fts_lib/ftsHardware.h"
#define FTS_POWER_ON 1
#define FTS_POWER_OFF 0
/****************** CONFIGURATION SECTION ******************/
/* #define PHONE_KEY */
/* #define PHONE_GESTURE */
#define SCRIPTLESS
#ifdef SCRIPTLESS
#define SCRIPTLESS_DEBUG
/* uncomment this macro definition to print debug
* message for script less support
*/
#endif
#define DRIVER_TEST
#define FW_H_FILE
#ifdef FW_H_FILE
#define FW_SIZE_NAME myArray_size
#define FW_ARRAY_NAME myArray
#endif
#define LIMITS_H_FILE
#ifdef LIMITS_H_FILE
#define LIMITS_SIZE_NAME myArray2_size
#define LIMITS_ARRAY_NAME myArray2
#endif
#define FTS_TS_DRV_NAME "fts"
#define FTS_TS_DRV_VERSION "4.1.0"
#define X_AXIS_MAX 1440
#define X_AXIS_MIN 0
#define Y_AXIS_MAX 2560
#define Y_AXIS_MIN 0
#define PRESSURE_MIN 0
#define PRESSURE_MAX 127
#define FINGER_MAX 10
#define STYLUS_MAX 1
#define TOUCH_ID_MAX (FINGER_MAX + STYLUS_MAX)
#define AREA_MIN PRESSURE_MIN
#define AREA_MAX PRESSURE_MAX
/*********************************************************/
/* Flash programming */
#define INIT_FLAG_CNT 3
/* KEYS */
#define KEY1 0x02
#define KEY2 0x01
#define KEY3 0x04
/*
* Configuration mode
*/
#define MODE_NORMAL 0
#define MODE_GESTURE 1
#define MODE_GLOVE 2
#define MODE_SENSEOFF 3
/*
* Status Event Field:
* id of command that triggered the event
*/
#define FTS_FLASH_WRITE_CONFIG 0x03
#define FTS_FLASH_WRITE_COMP_MEMORY 0x04
#define FTS_FORCE_CAL_SELF_MUTUAL 0x05
#define FTS_FORCE_CAL_SELF 0x06
#define FTS_WATER_MODE_ON 0x07
#define FTS_WATER_MODE_OFF 0x08
#define EXP_FN_WORK_DELAY_MS 1000
#define CMD_STR_LEN 32
#ifdef SCRIPTLESS
/*
* I2C Command Read/Write Function
*/
#define CMD_RESULT_STR_LEN 2048
#endif
#define TSP_BUF_SIZE 4096
struct fts_i2c_platform_data {
int (*power)(bool on);
int irq_gpio;
int reset_gpio;
const char *pwr_reg_name;
const char *bus_reg_name;
};
/*
* Forward declaration
*/
struct fts_ts_info;
extern char tag[8];
/*
* Dispatch event handler
*/
typedef unsigned char * (*event_dispatch_handler_t)
(struct fts_ts_info *info, unsigned char *data);
/*
* struct fts_ts_info - FTS capacitive touch screen device information
* @dev: Pointer to the structure device
* @client: I2C client structure
* @input_dev Input device structure
* @work Work thread
* @event_wq Event queue for work thread
* @cmd_done Asyncronous command notification
* @event_dispatch_table Event dispatch table handlers
* @fw_version Firmware version
* @attrs SysFS attributes
* @mode Device operating mode
* @touch_id Bitmask for touch id (mapped to input slots)
* @buttons Bitmask for buttons status
* @timer Timer when operating in polling mode
* @early_suspend Structure for early suspend functions
* @power Power on/off routine
*/
struct fts_ts_info {
struct device *dev;
struct i2c_client *client;
struct input_dev *input_dev;
struct work_struct work;
struct workqueue_struct *event_wq;
struct delayed_work fwu_work;
struct workqueue_struct *fwu_workqueue;
struct completion cmd_done;
event_dispatch_handler_t *event_dispatch_table;
unsigned int fw_version;
unsigned int config_id;
struct attribute_group attrs;
unsigned int mode;
unsigned long touch_id;
unsigned int buttons;
#ifdef FTS_USE_POLLING_MODE
struct hrtimer timer;
#endif
#ifdef SCRIPTLESS
/*I2C cmd*/
struct device *i2c_cmd_dev;
char cmd_read_result[CMD_RESULT_STR_LEN];
char cmd_wr_result[CMD_RESULT_STR_LEN];
char cmd_write_result[20];
#endif
#ifdef DRIVER_TEST
struct device *test_cmd_dev;
#endif
int (*power)(bool on);
struct fts_i2c_platform_data *bdata;
struct regulator *pwr_reg;
struct regulator *bus_reg;
bool fw_force;
int debug_enable;
int resume_bit;
int fwupdate_stat;
int touch_debug;
struct notifier_block notifier;
bool sensor_sleep;
bool stay_awake;
/* input lock */
struct mutex input_report_mutex;
/* switches */
int gesture_enabled;
int glove_enabled;
};
typedef enum {
ERR_ITO_NO_ERR, /* < 0 No ITO Error */
ERR_ITO_PANEL_OPEN_FORCE, /* < 1 Panel Open Force */
ERR_ITO_PANEL_OPEN_SENSE, /* < 2 Panel Open Sense */
ERR_ITO_F2G, /* < 3 Force short to ground */
ERR_ITO_S2G, /* < 4 Sense short to ground */
ERR_ITO_F2VDD, /* < 5 Force short to VDD */
ERR_ITO_S2VDD, /* < 6 Sense short to VDD */
ERR_ITO_P2P_FORCE, /* < 7 Pin to Pin short (Force) */
ERR_ITO_P2P_SENSE, /* < 8 Pin to Pin short (Sense) */
} errItoSubTypes_t;
int fts_chip_powercycle(struct fts_ts_info *info);
int fts_chip_powercycle2(struct fts_ts_info *info, unsigned long sleep);
int fts_get_fw_version(struct fts_ts_info *info);
extern unsigned int le_to_uint(const unsigned char *ptr);
extern unsigned int be_to_uint(const unsigned char *ptr);
extern int input_register_notifier_client(struct notifier_block *nb);
extern int input_unregister_notifier_client(struct notifier_block *nb);
#ifdef SCRIPTLESS
extern struct attribute_group i2c_cmd_attr_group;
#endif
#ifdef DRIVER_TEST
extern struct attribute_group test_cmd_attr_group;
#endif
#endif
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