diff options
Diffstat (limited to 'drivers/hwmon/ams/ams.h')
-rw-r--r-- | drivers/hwmon/ams/ams.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h new file mode 100644 index 000000000000..240730e6bcde --- /dev/null +++ b/drivers/hwmon/ams/ams.h | |||
@@ -0,0 +1,72 @@ | |||
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 | |||
9 | enum 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 | |||
19 | struct 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 | |||
63 | extern struct ams ams_info; | ||
64 | |||
65 | extern void ams_sensors(s8 *x, s8 *y, s8 *z); | ||
66 | extern int ams_sensor_attach(void); | ||
67 | |||
68 | extern int ams_pmu_init(struct device_node *np); | ||
69 | extern int ams_i2c_init(struct device_node *np); | ||
70 | |||
71 | extern int ams_input_init(void); | ||
72 | extern void ams_input_exit(void); | ||