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#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 of_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 */
int i2c_bus;
int i2c_address;
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 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);
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