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/*
*
**************************************************************************
** STMicroelectronics **
**************************************************************************
* *
* FTS Capacitive touch screen controller (FingerTipS) *
* *
**************************************************************************
**************************************************************************
*
*/
/*!
* \file fts.h
* \brief Contains all the definitions and structs used generally by the driver
*/
#ifndef _LINUX_FTS_I2C_H_
#define _LINUX_FTS_I2C_H_
#include <linux/device.h>
#include "fts_lib/fts_io.h"
#define FTS_TS_DRV_NAME "fts"
#define FTS_TS_DRV_VERSION "6.0.3"
#define FTS_TS_DRV_VER 0x06000003
#define MAX_FIFO_EVENT 100
/* **** PANEL SPECIFICATION **** */
#define X_AXIS_MAX 1440 /* /< Max X coordinate of the display */
#define X_AXIS_MIN 0 /* /< min X coordinate of the display */
#define Y_AXIS_MAX 2959 /* /< Max Y coordinate of the display */
#define Y_AXIS_MIN 0 /* /< min Y coordinate of the display */
#define PRESSURE_MIN 0 /* /< min value of pressure reported */
#define PRESSURE_MAX 127 /* /< Max value of pressure reported */
#define DISTANCE_MIN 0 /* /< min distance between the tool and the
* display */
#define DISTANCE_MAX 127 /* /< Max distance between the tool and the
* display */
#define TOUCH_ID_MAX 10 /* /< Max number of simoultaneous touches
* reported */
#define AREA_MIN PRESSURE_MIN /* /< min value of Major/minor axis
* reported */
#define AREA_MAX PRESSURE_MAX /* /< Man value of Major/minor axis
* reported */
/* **** END **** */
#define DEBUG
/* Touch Types */
#define TOUCH_TYPE_FINGER_HOVER 0x00
#define TOUCH_TYPE_FINGER 0x01 /* /< Finger touch */
#define TOUCH_TYPE_GLOVE 0x02 /* /< Glove touch */
#define TOUCH_TYPE_LARGE 0x03
/*
* Forward declaration
*/
struct fts_ts_info;
/*
* Dispatch event handler
*/
typedef void (*event_dispatch_handler_t)
(struct fts_ts_info *info, unsigned char *data);
/**
* Struct which contains information about the HW platform and set up
*/
struct fts_hw_platform_data {
int (*power)(bool on);
int irq_gpio; /* /< number of the gpio associated to the interrupt pin
* */
int reset_gpio; /* /< number of the gpio associated to the reset pin */
const char *vdd_reg_name; /* /< name of the VDD regulator */
const char *avdd_reg_name; /* /< name of the AVDD regulator */
};
/**
* Struct contains FTS capacitive touch screen device information
*/
struct fts_ts_info {
struct device *dev; /* /< Pointer to the structure device */
#ifdef I2C_INTERFACE
struct i2c_client *client; /* /< I2C client structure */
#else
struct spi_device *client; /* /< SPI client structure */
#endif
struct fts_hw_platform_data *board; /* /< HW info retrieved from
* device tree */
struct regulator *vdd_reg; /* /< DVDD power regulator */
struct regulator *avdd_reg; /* /< AVDD power regulator */
struct input_dev *input_dev; /* /< Input device structure */
struct mutex input_report_mutex;/* /< mutex for handling the report
* of the pressure of keys */
struct work_struct work; /* /< Event work thread */
struct work_struct suspend_work; /* /< Suspend work thread */
struct work_struct resume_work; /* /< Resume work thread */
struct workqueue_struct *event_wq; /* /< Workqueue used for event
* handler, suspend and resume
* work threads */
event_dispatch_handler_t *event_dispatch_table;
int resume_bit; /* /< Indicate if screen off/on */
unsigned int mode; /* /< Device operating mode (bitmask: msb
* indicate if active or lpm) */
struct notifier_block notifier; /* /< Used for be notified from a
* suspend/resume event */
struct wakeup_source wakesrc; /* Wake Lock struct */
unsigned long touch_id; /* /< Bitmask for touch id (mapped to input
* slots) */
bool sensor_sleep; /* /< if true suspend was called while if false
* resume was called */
#ifndef FW_UPDATE_ON_PROBE
struct delayed_work fwu_work; /* /< Delayed work thread for fw update
* process */
struct workqueue_struct *fwu_workqueue;/* /< Fw update work
* queue */
#endif
};
extern int fts_proc_init(void);
extern int fts_proc_remove(void);
int fts_enable_interrupt(void);
int fts_disable_interrupt(void);
#endif
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