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 }; 71 72 int rmi_2d_sensor_of_probe(struct device *dev, 73 struct rmi_2d_sensor_platform_data *pdata); 74 75 void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor, 76 struct rmi_2d_sensor_abs_object *obj, 77 int slot); 78 79 void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor, 80 struct rmi_2d_sensor_abs_object *obj, 81 int slot); 82 83 void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y); 84 85 int rmi_2d_sensor_configure_input(struct rmi_function *fn, 86 struct rmi_2d_sensor *sensor); 87 #endif /* _RMI_2D_SENSOR_H */ 88