drivers/misc/mediatek/tilt_detector_sensor/tilt_detector.h

   1 #ifndef __TILT_H__
   2 #define __TILT_H__
   3
   4
   5 #include <linux/wakelock.h>
   6 #include <linux/interrupt.h>
   7 #include <linux/miscdevice.h>
   8 #include <linux/platform_device.h>
   9 #include <linux/input.h>
  10 #include <linux/workqueue.h>
  11 #include <linux/slab.h>
  12 #include <linux/module.h>
  13 #include <linux/hwmsensor.h>
  14 #include <linux/earlysuspend.h>
  15 #include <linux/hwmsen_dev.h>
  16
  17
  18 #define TILT_TAG                "<TILT_DETECTOR> "
  19 #define TILT_FUN(f)             printk(TILT_TAG"%s\n", __func__)
  20 #define TILT_ERR(fmt, args...)  printk(TILT_TAG"%s %d : "fmt, __func__, __LINE__, ##args)
  21 #define TILT_LOG(fmt, args...)  printk(TILT_TAG fmt, ##args)
  22 #define TILT_VER(fmt, args...)  printk(TILT_TAG"%s: "fmt, __func__, ##args) //((void)0)
  23
  24 //#define OP_TILT_DELAY         0X01
  25 #define OP_TILT_ENABLE          0X02
  26 //#define OP_TILT_GET_DATA      0X04
  27
  28 #define TILT_INVALID_VALUE -1
  29
  30 #define EVENT_TYPE_TILT_VALUE           REL_X
  31
  32 #define TILT_VALUE_MAX (32767)
  33 #define TILT_VALUE_MIN (-32768)
  34 #define TILT_STATUS_MIN (0)
  35 #define TILT_STATUS_MAX (64)
  36 #define TILT_DIV_MAX (32767)
  37 #define TILT_DIV_MIN (1)
  38
  39 typedef enum {
  40         TILT_DEACTIVATE,
  41         TILT_ACTIVATE,
  42         TILT_SUSPEND,
  43         TILT_RESUME
  44 } tilt_state_e;
  45
  46 struct tilt_control_path
  47 {
  48 //      int (*enable_nodata)(int en);//only enable not report event to HAL
  49         int (*open_report_data)(int open);//open data rerport to HAL
  50 //      int (*enable)(int en);
  51         //bool is_support_batch;//version2.used for batch mode support flag
  52 };
  53
  54 struct tilt_data_path
  55 {
  56         int (*get_data)(u16 *value, int *status);
  57 };
  58
  59 struct tilt_init_info
  60 {
  61         char *name;
  62         int (*init)(void);
  63         int (*uninit)(void);
  64         struct platform_driver* platform_diver_addr;
  65 };
  66
  67 struct tilt_data{
  68         hwm_sensor_data tilt_data ;
  69         int data_updata;
  70         //struct mutex lock;
  71 };
  72
  73 struct tilt_drv_obj {
  74     void *self;
  75         int polling;
  76         int (*tilt_operate)(void* self, uint32_t command, void* buff_in, int size_in,
  77                 void* buff_out, int size_out, int* actualout);
  78 };
  79
  80 struct tilt_context {
  81         struct input_dev   *idev;
  82         struct miscdevice   mdev;
  83         struct work_struct  report;
  84         struct mutex tilt_op_mutex;
  85         atomic_t            wake;  /*user-space request to wake-up, used with stop*/
  86         atomic_t            trace;
  87
  88         struct early_suspend    early_drv;
  89         atomic_t                early_suspend;
  90         atomic_t                suspend;
  91
  92         struct tilt_data       drv_data;
  93         struct tilt_control_path   tilt_ctl;
  94         struct tilt_data_path   tilt_data;
  95         bool                    is_active_nodata;               // Active, but HAL don't need data sensor. such as orientation need
  96         bool                    is_active_data;         // Active and HAL need data .
  97         bool            is_batch_enable;        //version2.this is used for judging whether sensor is in batch mode
  98 };
  99
 100 extern int tilt_notify(void);
 101 extern int tilt_driver_add(struct tilt_init_info* obj) ;
 102 extern int tilt_register_control_path(struct tilt_control_path *ctl);
 103 extern int tilt_register_data_path(struct tilt_data_path *data);
 104
 105 #endif