text: 
  #ifndef __ACC_H__
  #define __ACC_H__
  
  
  #include <linux/wakelock.h>
  #include <linux/interrupt.h>
  #include <linux/miscdevice.h>
  #include <linux/platform_device.h>
  #include <linux/input.h>
  #include <linux/workqueue.h>
  #include <linux/slab.h>
  #include <linux/module.h>
  #include <linux/hwmsensor.h>
  #include <linux/earlysuspend.h> 
  #include <linux/hwmsen_dev.h>
  
  
  #define ACC_TAG					"<ACCELEROMETER> "
  #define ACC_FUN(f)				printk(KERN_ERR ACC_TAG"%s\n", __func__)
  #define ACC_ERR(fmt, args...)		printk(KERN_ERR ACC_TAG"%s %d : "fmt, __func__, __LINE__, ##args)
  #define ACC_LOG(fmt, args...)		printk(KERN_ERR ACC_TAG fmt, ##args)
  #define ACC_VER(fmt, args...)   	printk(KERN_ERR ACC_TAG"%s: "fmt, __func__, ##args) //((void)0)
  
  #define OP_ACC_DELAY	0X01
  #define	OP_ACC_ENABLE	0X02
  #define	OP_ACC_GET_DATA	0X04
  
  #define ACC_INVALID_VALUE -1
  
  #define EVENT_TYPE_ACCEL_X          		ABS_X
  #define EVENT_TYPE_ACCEL_Y          		ABS_Y
  #define EVENT_TYPE_ACCEL_Z          		ABS_Z
  #define EVENT_TYPE_ACCEL_UPDATE              REL_X
  #define EVENT_TYPE_ACCEL_STATUS     ABS_WHEEL
  #define EVENT_TYPE_ACCEL_DIV        ABS_GAS
  
  
  #define ACC_VALUE_MAX (32767)
  #define ACC_VALUE_MIN (-32768)
  #define ACC_STATUS_MIN (0)
  #define ACC_STATUS_MAX (64)
  #define ACC_DIV_MAX (32767)
  #define ACC_DIV_MIN (1)
  #define ACC_AXIS_X 0
  #define ACC_AXIS_Y 1
  #define ACC_AXIS_Z 2
  
  #define MAX_CHOOSE_G_NUM 5
  #define ACC_AXES_NUM 3
  struct acc_control_path
  {
  	int (*open_report_data)(int open);//open data rerport to HAL
  	int (*enable_nodata)(int en);//only enable not report event to HAL
  	int (*set_delay)(u64 delay);
  	int (*access_data_fifo)(void);//version2.used for flush operate
  	bool is_report_input_direct;
  	bool is_support_batch;//version2.used for batch mode support flag
  	bool is_use_common_factory;
  	int (*acc_calibration)(int type, int cali[3]);//version3 sensor common layer factory mode API1
  };
  
  struct acc_data_path
  {
  	int (*get_data)(int *x,int *y, int *z,int *status);
  	int (*get_raw_data)(int *x,int *y, int *z);//version3 sensor common layer factory mode API2
  	int vender_div;
  };
  
  struct acc_init_info
  {
      char *name;
  	int (*init)(void);
  	int (*uninit)(void);
  	struct platform_driver* platform_diver_addr;
  };
  
  struct acc_data{
  	hwm_sensor_data acc_data ;
  	int data_updata;
  	//struct mutex lock;
  };
  
  struct acc_drv_obj {
      void *self;
  	int polling;
  	int (*acc_operate)(void* self, uint32_t command, void* buff_in, int size_in,
  		void* buff_out, int size_out, int* actualout);
  };
  
  struct acc_context {
  	struct input_dev   *idev;
  	struct miscdevice   mdev;
  	struct work_struct  report;
  	struct mutex acc_op_mutex;
  	atomic_t            delay; /*polling period for reporting input event*/
  	atomic_t            wake;  /*user-space request to wake-up, used with stop*/
  	struct timer_list   timer;  /* polling timer */
  	atomic_t            trace;
  
  	struct early_suspend    early_drv;
  	atomic_t                early_suspend;
  	//struct acc_drv_obj    drv_obj;
  	struct acc_data       drv_data;
  	int                   cali_sw[ACC_AXES_NUM+1];
  	struct acc_control_path   acc_ctl;
  	struct acc_data_path   acc_data;
  	bool			is_active_nodata;		// Active, but HAL don't need data sensor. such as orientation need
  	bool			is_active_data;		// Active and HAL need data .
  	bool is_first_data_after_enable;
  	bool is_polling_run;
  	bool is_batch_enable;	//version2.this is used for judging whether sensor is in batch mode
  };
  
  //driver API for internal  
  //extern int acc_enable_nodata(int enable);
  //extern int acc_attach(struct acc_drv_obj *obj);
  //driver API for third party vendor
  
  //for auto detect
  extern int acc_driver_add(struct acc_init_info* obj) ;
  extern int acc_data_report(int x, int y, int z,int status);
  extern int acc_register_control_path(struct acc_control_path *ctl);
  extern int acc_register_data_path(struct acc_data_path *data);
  
  
  
  
  
  #endif
  