1 | /* |
2 | * Copyright (c) 2011-2016 Synaptics Incorporated |
3 | * Copyright (c) 2011 Unixphere |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it |
6 | * under the terms of the GNU General Public License version 2 as published by |
7 | * the Free Software Foundation. |
8 | */ |
9 | |
10 | #ifndef _RMI_2D_SENSOR_H |
11 | #define _RMI_2D_SENSOR_H |
12 | |
13 | enum rmi_2d_sensor_object_type { |
14 | RMI_2D_OBJECT_NONE, |
15 | RMI_2D_OBJECT_FINGER, |
16 | RMI_2D_OBJECT_STYLUS, |
17 | RMI_2D_OBJECT_PALM, |
18 | RMI_2D_OBJECT_UNCLASSIFIED, |
19 | }; |
20 | |
21 | struct rmi_2d_sensor_abs_object { |
22 | enum rmi_2d_sensor_object_type type; |
23 | int mt_tool; |
24 | u16 x; |
25 | u16 y; |
26 | u8 z; |
27 | u8 wx; |
28 | u8 wy; |
29 | }; |
30 | |
31 | /** |
32 | * @axis_align - controls parameters that are useful in system prototyping |
33 | * and bring up. |
34 | * @max_x - The maximum X coordinate that will be reported by this sensor. |
35 | * @max_y - The maximum Y coordinate that will be reported by this sensor. |
36 | * @nbr_fingers - How many fingers can this sensor report? |
37 | * @data_pkt - buffer for data reported by this sensor. |
38 | * @pkt_size - number of bytes in that buffer. |
39 | * @attn_size - Size of the HID attention report (only contains abs data). |
40 | * position when two fingers are on the device. When this is true, we |
41 | * assume we have one of those sensors and report events appropriately. |
42 | * @sensor_type - indicates whether we're touchscreen or touchpad. |
43 | * @input - input device for absolute pointing stream |
44 | * @input_phys - buffer for the absolute phys name for this sensor. |
45 | */ |
46 | struct rmi_2d_sensor { |
47 | struct rmi_2d_axis_alignment axis_align; |
48 | struct input_mt_pos *tracking_pos; |
49 | int *tracking_slots; |
50 | bool kernel_tracking; |
51 | struct rmi_2d_sensor_abs_object *objs; |
52 | int dmax; |
53 | u16 min_x; |
54 | u16 max_x; |
55 | u16 min_y; |
56 | u16 max_y; |
57 | u8 nbr_fingers; |
58 | u8 *data_pkt; |
59 | int pkt_size; |
60 | int attn_size; |
61 | bool topbuttonpad; |
62 | enum rmi_sensor_type sensor_type; |
63 | struct input_dev *input; |
64 | struct rmi_function *fn; |
65 | char input_phys[32]; |
66 | u8 report_abs; |
67 | u8 report_rel; |
68 | u8 x_mm; |
69 | u8 y_mm; |
70 | enum rmi_reg_state dribble; |
71 | enum rmi_reg_state palm_detect; |
72 | }; |
73 | |
74 | int rmi_2d_sensor_of_probe(struct device *dev, |
75 | struct rmi_2d_sensor_platform_data *pdata); |
76 | |
77 | void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor, |
78 | struct rmi_2d_sensor_abs_object *obj, |
79 | int slot); |
80 | |
81 | void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor, |
82 | struct rmi_2d_sensor_abs_object *obj, |
83 | int slot); |
84 | |
85 | void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y); |
86 | |
87 | int rmi_2d_sensor_configure_input(struct rmi_function *fn, |
88 | struct rmi_2d_sensor *sensor); |
89 | #endif /* _RMI_2D_SENSOR_H */ |
90 | |