1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2011-2016 Synaptics Incorporated |
4 | * Copyright (c) 2011 Unixphere |
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; |
67 | enum rmi_reg_state dribble; |
68 | enum rmi_reg_state palm_detect; |
69 | }; |
70 | |
71 | int rmi_2d_sensor_of_probe(struct device *dev, |
72 | struct rmi_2d_sensor_platform_data *pdata); |
73 | |
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 */ |
87 | |