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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
ff8f8370 AD |
2 | /* |
3 | * Copyright (c) 2011-2016 Synaptics Incorporated | |
4 | * Copyright (c) 2011 Unixphere | |
ff8f8370 AD |
5 | */ |
6 | ||
7 | #ifndef _RMI_2D_SENSOR_H | |
8 | #define _RMI_2D_SENSOR_H | |
9 | ||
10 | enum rmi_2d_sensor_object_type { | |
11 | RMI_2D_OBJECT_NONE, | |
12 | RMI_2D_OBJECT_FINGER, | |
13 | RMI_2D_OBJECT_STYLUS, | |
14 | RMI_2D_OBJECT_PALM, | |
15 | RMI_2D_OBJECT_UNCLASSIFIED, | |
16 | }; | |
17 | ||
18 | struct rmi_2d_sensor_abs_object { | |
19 | enum rmi_2d_sensor_object_type type; | |
20 | int mt_tool; | |
21 | u16 x; | |
22 | u16 y; | |
23 | u8 z; | |
24 | u8 wx; | |
25 | u8 wy; | |
26 | }; | |
27 | ||
28 | /** | |
29 | * @axis_align - controls parameters that are useful in system prototyping | |
30 | * and bring up. | |
31 | * @max_x - The maximum X coordinate that will be reported by this sensor. | |
32 | * @max_y - The maximum Y coordinate that will be reported by this sensor. | |
33 | * @nbr_fingers - How many fingers can this sensor report? | |
34 | * @data_pkt - buffer for data reported by this sensor. | |
35 | * @pkt_size - number of bytes in that buffer. | |
36 | * @attn_size - Size of the HID attention report (only contains abs data). | |
37 | * position when two fingers are on the device. When this is true, we | |
38 | * assume we have one of those sensors and report events appropriately. | |
39 | * @sensor_type - indicates whether we're touchscreen or touchpad. | |
40 | * @input - input device for absolute pointing stream | |
41 | * @input_phys - buffer for the absolute phys name for this sensor. | |
42 | */ | |
43 | struct rmi_2d_sensor { | |
44 | struct rmi_2d_axis_alignment axis_align; | |
45 | struct input_mt_pos *tracking_pos; | |
46 | int *tracking_slots; | |
47 | bool kernel_tracking; | |
48 | struct rmi_2d_sensor_abs_object *objs; | |
49 | int dmax; | |
50 | u16 min_x; | |
51 | u16 max_x; | |
52 | u16 min_y; | |
53 | u16 max_y; | |
54 | u8 nbr_fingers; | |
55 | u8 *data_pkt; | |
56 | int pkt_size; | |
57 | int attn_size; | |
58 | bool topbuttonpad; | |
59 | enum rmi_sensor_type sensor_type; | |
60 | struct input_dev *input; | |
61 | struct rmi_function *fn; | |
62 | char input_phys[32]; | |
63 | u8 report_abs; | |
64 | u8 report_rel; | |
65 | u8 x_mm; | |
66 | u8 y_mm; | |
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67 | enum rmi_reg_state dribble; |
68 | enum rmi_reg_state palm_detect; | |
ff8f8370 AD |
69 | }; |
70 | ||
aaa27982 AD |
71 | int rmi_2d_sensor_of_probe(struct device *dev, |
72 | struct rmi_2d_sensor_platform_data *pdata); | |
73 | ||
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74 | void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor, |
75 | struct rmi_2d_sensor_abs_object *obj, | |
76 | int slot); | |
77 | ||
78 | void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor, | |
79 | struct rmi_2d_sensor_abs_object *obj, | |
80 | int slot); | |
81 | ||
82 | void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y); | |
83 | ||
84 | int rmi_2d_sensor_configure_input(struct rmi_function *fn, | |
85 | struct rmi_2d_sensor *sensor); | |
86 | #endif /* _RMI_2D_SENSOR_H */ |