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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
dcb69dd0 | 2 | #include <linux/i2c.h> |
3fdbc340 | 3 | #include <linux/input-polldev.h> |
dcb69dd0 SP |
4 | #include <linux/kthread.h> |
5 | #include <linux/mutex.h> | |
6 | #include <linux/spinlock.h> | |
7 | #include <linux/types.h> | |
f6f11018 | 8 | #include <linux/of_device.h> |
dcb69dd0 SP |
9 | |
10 | enum ams_irq { | |
11 | AMS_IRQ_FREEFALL = 0x01, | |
12 | AMS_IRQ_SHOCK = 0x02, | |
13 | AMS_IRQ_GLOBAL = 0x04, | |
14 | AMS_IRQ_ALL = | |
15 | AMS_IRQ_FREEFALL | | |
16 | AMS_IRQ_SHOCK | | |
17 | AMS_IRQ_GLOBAL, | |
18 | }; | |
19 | ||
20 | struct ams { | |
21 | /* Locks */ | |
22 | spinlock_t irq_lock; | |
23 | struct mutex lock; | |
24 | ||
25 | /* General properties */ | |
26 | struct device_node *of_node; | |
2dc11581 | 27 | struct platform_device *of_dev; |
dcb69dd0 SP |
28 | char has_device; |
29 | char vflag; | |
30 | u32 orient1; | |
31 | u32 orient2; | |
32 | ||
33 | /* Interrupt worker */ | |
34 | struct work_struct worker; | |
35 | u8 worker_irqs; | |
36 | ||
37 | /* Implementation | |
38 | * | |
39 | * Only call these functions with the main lock held. | |
40 | */ | |
41 | void (*exit)(void); | |
42 | ||
43 | void (*get_xyz)(s8 *x, s8 *y, s8 *z); | |
44 | u8 (*get_vendor)(void); | |
45 | ||
46 | void (*clear_irq)(enum ams_irq reg); | |
47 | ||
48 | #ifdef CONFIG_SENSORS_AMS_I2C | |
49 | /* I2C properties */ | |
810ad7b6 | 50 | struct i2c_client *i2c_client; |
dcb69dd0 SP |
51 | #endif |
52 | ||
53 | /* Joystick emulation */ | |
3fdbc340 | 54 | struct input_polled_dev *idev; |
dcb69dd0 SP |
55 | __u16 bustype; |
56 | ||
57 | /* calibrated null values */ | |
58 | int xcalib, ycalib, zcalib; | |
59 | }; | |
60 | ||
61 | extern struct ams ams_info; | |
62 | ||
63 | extern void ams_sensors(s8 *x, s8 *y, s8 *z); | |
64 | extern int ams_sensor_attach(void); | |
98ceb75c | 65 | extern void ams_sensor_detach(void); |
dcb69dd0 SP |
66 | |
67 | extern int ams_pmu_init(struct device_node *np); | |
68 | extern int ams_i2c_init(struct device_node *np); | |
69 | ||
70 | extern int ams_input_init(void); | |
71 | extern void ams_input_exit(void); |