#include <linux/i2c.h>

  #include <linux/input-polldev.h>

  #include <linux/kthread.h>
  #include <linux/mutex.h>
  #include <linux/spinlock.h>
  #include <linux/types.h>

  #include <linux/of_device.h>

  
  enum ams_irq {
  	AMS_IRQ_FREEFALL = 0x01,
  	AMS_IRQ_SHOCK = 0x02,
  	AMS_IRQ_GLOBAL = 0x04,
  	AMS_IRQ_ALL =
  		AMS_IRQ_FREEFALL |
  		AMS_IRQ_SHOCK |
  		AMS_IRQ_GLOBAL,
  };
  
  struct ams {
  	/* Locks */
  	spinlock_t irq_lock;
  	struct mutex lock;
  
  	/* General properties */
  	struct device_node *of_node;

  	struct platform_device *of_dev;

  	char has_device;
  	char vflag;
  	u32 orient1;
  	u32 orient2;
  
  	/* Interrupt worker */
  	struct work_struct worker;
  	u8 worker_irqs;
  
  	/* Implementation
  	 *
  	 * Only call these functions with the main lock held.
  	 */
  	void (*exit)(void);
  
  	void (*get_xyz)(s8 *x, s8 *y, s8 *z);
  	u8 (*get_vendor)(void);
  
  	void (*clear_irq)(enum ams_irq reg);
  
  #ifdef CONFIG_SENSORS_AMS_I2C
  	/* I2C properties */

  	struct i2c_client *i2c_client;

  #endif
  
  	/* Joystick emulation */

  	struct input_polled_dev *idev;

  	__u16 bustype;
  
  	/* calibrated null values */
  	int xcalib, ycalib, zcalib;
  };
  
  extern struct ams ams_info;
  
  extern void ams_sensors(s8 *x, s8 *y, s8 *z);
  extern int ams_sensor_attach(void);

  extern void ams_sensor_detach(void);

  
  extern int ams_pmu_init(struct device_node *np);
  extern int ams_i2c_init(struct device_node *np);
  
  extern int ams_input_init(void);
  extern void ams_input_exit(void);