arch/arm/mach-mt8127/tpw8127_c_mlc/accelerometer/accel.h

   1
   2 #ifndef __ACC_H__
   3 #define __ACC_H__
   4
   5
   6 #include <linux/wakelock.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/miscdevice.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/input.h>
  11 #include <linux/workqueue.h>
  12 #include <linux/slab.h>
  13 #include <linux/module.h>
  14 #include <linux/hwmsensor.h>
  15 #include <linux/earlysuspend.h>
  16 #include <linux/hwmsen_dev.h>
  17
  18
  19 #define ACC_TAG                                 "<ACCELEROMETER> "
  20 #define ACC_FUN(f)                              printk(KERN_ERR ACC_TAG"%s\n", __func__)
  21 #define ACC_ERR(fmt, args...)           printk(KERN_ERR ACC_TAG"%s %d : "fmt, __func__, __LINE__, ##args)
  22 #define ACC_LOG(fmt, args...)           printk(KERN_ERR ACC_TAG fmt, ##args)
  23 #define ACC_VER(fmt, args...)           printk(KERN_ERR ACC_TAG"%s: "fmt, __func__, ##args) //((void)0)
  24
  25 #define OP_ACC_DELAY    0X01
  26 #define OP_ACC_ENABLE   0X02
  27 #define OP_ACC_GET_DATA 0X04
  28
  29 #define ACC_INVALID_VALUE -1
  30
  31 #define EVENT_TYPE_ACCEL_X                      ABS_X
  32 #define EVENT_TYPE_ACCEL_Y                      ABS_Y
  33 #define EVENT_TYPE_ACCEL_Z                      ABS_Z
  34 #define EVENT_TYPE_ACCEL_STATUS     ABS_WHEEL
  35 #define EVENT_TYPE_ACCEL_DIV        ABS_GAS
  36
  37
  38 #define ACC_VALUE_MAX (32767)
  39 #define ACC_VALUE_MIN (-32768)
  40 #define ACC_STATUS_MIN (0)
  41 #define ACC_STATUS_MAX (64)
  42 #define ACC_DIV_MAX (32767)
  43 #define ACC_DIV_MIN (1)
  44
  45
  46 #define MAX_CHOOSE_G_NUM 5
  47
  48 struct acc_control_path
  49 {
  50         int (*open_report_data)(int open);//open data rerport to HAL
  51         int (*enable_nodata)(int en);//only enable not report event to HAL
  52         int (*set_delay)(u64 delay);
  53         int (*access_data_fifo)();//version2.used for flush operate
  54         bool is_report_input_direct;
  55         bool is_support_batch;//version2.used for batch mode support flag
  56 };
  57
  58 struct acc_data_path
  59 {
  60         int (*get_data)(int *x,int *y, int *z,int *status);
  61         int vender_div;
  62 };
  63
  64 struct acc_init_info
  65 {
  66     char *name;
  67         int (*init)(void);
  68         int (*uninit)(void);
  69         struct platform_driver* platform_diver_addr;
  70 };
  71
  72 struct acc_data{
  73         hwm_sensor_data acc_data ;
  74         int data_updata;
  75         //struct mutex lock;
  76 };
  77
  78 struct acc_drv_obj {
  79     void *self;
  80         int polling;
  81         int (*acc_operate)(void* self, uint32_t command, void* buff_in, int size_in,
  82                 void* buff_out, int size_out, int* actualout);
  83 };
  84
  85 struct acc_context {
  86         struct input_dev   *idev;
  87         struct miscdevice   mdev;
  88         struct work_struct  report;
  89         struct mutex acc_op_mutex;
  90         atomic_t            delay; /*polling period for reporting input event*/
  91         atomic_t            wake;  /*user-space request to wake-up, used with stop*/
  92         struct timer_list   timer;  /* polling timer */
  93         atomic_t            trace;
  94
  95         struct early_suspend    early_drv;
  96         atomic_t                early_suspend;
  97         //struct acc_drv_obj    drv_obj;
  98         struct acc_data       drv_data;
  99         struct acc_control_path   acc_ctl;
 100         struct acc_data_path   acc_data;
 101         bool                    is_active_nodata;               // Active, but HAL don't need data sensor. such as orientation need
 102         bool                    is_active_data;         // Active and HAL need data .
 103         bool is_first_data_after_enable;
 104         bool is_polling_run;
 105         bool is_batch_enable;   //version2.this is used for judging whether sensor is in batch mode
 106 };
 107
 108 //driver API for internal
 109 //extern int acc_enable_nodata(int enable);
 110 //extern int acc_attach(struct acc_drv_obj *obj);
 111 //driver API for third party vendor
 112
 113 //for auto detect
 114 extern int acc_driver_add(struct acc_init_info* obj) ;
 115 extern int acc_data_report(int x, int y, int z,int status);
 116 extern int acc_register_control_path(struct acc_control_path *ctl);
 117 extern int acc_register_data_path(struct acc_data_path *data);
 118
 119
 120
 121
 122
 123 #endif