1#include <linux/i2c.h>
2#include <linux/input.h>
3#include <linux/kthread.h>
4#include <linux/mutex.h>
5#include <linux/spinlock.h>
6#include <linux/types.h>
7#include <asm/of_device.h>
8
9enum ams_irq {
10	AMS_IRQ_FREEFALL = 0x01,
11	AMS_IRQ_SHOCK = 0x02,
12	AMS_IRQ_GLOBAL = 0x04,
13	AMS_IRQ_ALL =
14		AMS_IRQ_FREEFALL |
15		AMS_IRQ_SHOCK |
16		AMS_IRQ_GLOBAL,
17};
18
19struct ams {
20	/* Locks */
21	spinlock_t irq_lock;
22	struct mutex lock;
23
24	/* General properties */
25	struct device_node *of_node;
26	struct of_device *of_dev;
27	char has_device;
28	char vflag;
29	u32 orient1;
30	u32 orient2;
31
32	/* Interrupt worker */
33	struct work_struct worker;
34	u8 worker_irqs;
35
36	/* Implementation
37	 *
38	 * Only call these functions with the main lock held.
39	 */
40	void (*exit)(void);
41
42	void (*get_xyz)(s8 *x, s8 *y, s8 *z);
43	u8 (*get_vendor)(void);
44
45	void (*clear_irq)(enum ams_irq reg);
46
47#ifdef CONFIG_SENSORS_AMS_I2C
48	/* I2C properties */
49	int i2c_bus;
50	int i2c_address;
51	struct i2c_client i2c_client;
52#endif
53
54	/* Joystick emulation */
55	struct task_struct *kthread;
56	struct input_dev *idev;
57	__u16 bustype;
58
59	/* calibrated null values */
60	int xcalib, ycalib, zcalib;
61};
62
63extern struct ams ams_info;
64
65extern void ams_sensors(s8 *x, s8 *y, s8 *z);
66extern int ams_sensor_attach(void);
67
68extern int ams_pmu_init(struct device_node *np);
69extern int ams_i2c_init(struct device_node *np);
70
71extern int ams_input_init(void);
72extern void ams_input_exit(void);
73