/* * cyttsp5_mta.c * Parade TrueTouch(TM) Standard Product V5 Multi-Touch Protocol A Module. * For use with Parade touchscreen controllers. * Supported parts include: * CYTMA5XX * CYTMA448 * CYTMA445A * CYTT21XXX * CYTT31XXX * * Copyright (C) 2015 Parade Technologies * Copyright (C) 2012-2015 Cypress Semiconductor * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2, and only version 2, as published by the * Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * Contact Parade Technologies at www.paradetech.com * */ #include "cyttsp5_regs.h" static void cyttsp5_final_sync(struct input_dev *input, int max_slots, int mt_sync_count, unsigned long *ids) { if (mt_sync_count) input_sync(input); } static void cyttsp5_input_sync(struct input_dev *input) { input_mt_sync(input); } static void cyttsp5_input_report(struct input_dev *input, int sig, int t, int type) { if (type == CY_OBJ_STANDARD_FINGER || type == CY_OBJ_GLOVE || type == CY_OBJ_HOVER) { input_report_key(input, BTN_TOOL_FINGER, CY_BTN_PRESSED); input_report_key(input, BTN_TOOL_PEN, CY_BTN_RELEASED); } else if (type == CY_OBJ_STYLUS) { input_report_key(input, BTN_TOOL_PEN, CY_BTN_PRESSED); input_report_key(input, BTN_TOOL_FINGER, CY_BTN_RELEASED); } if (type != CY_OBJ_HOVER) input_report_key(input, BTN_TOUCH, CY_BTN_PRESSED); input_report_abs(input, sig, t); } static void cyttsp5_report_slot_liftoff(struct cyttsp5_mt_data *md, int max_slots) { input_report_key(md->input, BTN_TOUCH, CY_BTN_RELEASED); input_report_key(md->input, BTN_TOOL_FINGER, CY_BTN_RELEASED); input_report_key(md->input, BTN_TOOL_PEN, CY_BTN_RELEASED); } static int cyttsp5_input_register_device(struct input_dev *input, int max_slots) { __set_bit(BTN_TOUCH, input->keybit); __set_bit(BTN_TOOL_FINGER, input->keybit); __set_bit(BTN_TOOL_PEN, input->keybit); return input_register_device(input); } void cyttsp5_init_function_ptrs(struct cyttsp5_mt_data *md) { md->mt_function.report_slot_liftoff = cyttsp5_report_slot_liftoff; md->mt_function.final_sync = cyttsp5_final_sync; md->mt_function.input_sync = cyttsp5_input_sync; md->mt_function.input_report = cyttsp5_input_report; md->mt_function.input_register_device = cyttsp5_input_register_device; }