92 static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data)  in goodix_ts_read_input_report()  argument
97 	error = goodix_i2c_read(ts->client, GOODIX_READ_COOR_ADDR, data,  in goodix_ts_read_input_report()
100 		dev_err(&ts->client->dev, "I2C transfer error: %d\n", error);  in goodix_ts_read_input_report()
105 	if (touch_num > ts->max_touch_num)  in goodix_ts_read_input_report()
110 		error = goodix_i2c_read(ts->client,  in goodix_ts_read_input_report()
122 static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data)  in goodix_ts_report_touch()  argument
129 	input_mt_slot(ts->input_dev, id);  in goodix_ts_report_touch()
130 	input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true);  in goodix_ts_report_touch()
131 	input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x);  in goodix_ts_report_touch()
132 	input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, input_y);  in goodix_ts_report_touch()
133 	input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, input_w);  in goodix_ts_report_touch()
134 	input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, input_w);  in goodix_ts_report_touch()
145 static void goodix_process_events(struct goodix_ts_data *ts)  in goodix_process_events()  argument
147 	u8  point_data[1 + GOODIX_CONTACT_SIZE * ts->max_touch_num];  in goodix_process_events()
151 	touch_num = goodix_ts_read_input_report(ts, point_data);  in goodix_process_events()
156 		goodix_ts_report_touch(ts,  in goodix_process_events()
159 	input_mt_sync_frame(ts->input_dev);  in goodix_process_events()
160 	input_sync(ts->input_dev);  in goodix_process_events()
176 	struct goodix_ts_data *ts = dev_id;  in goodix_ts_irq_handler()  local
178 	goodix_process_events(ts);  in goodix_ts_irq_handler()
180 	if (i2c_master_send(ts->client, end_cmd, sizeof(end_cmd)) < 0)  in goodix_ts_irq_handler()
181 		dev_err(&ts->client->dev, "I2C write end_cmd error\n");  in goodix_ts_irq_handler()
193 static void goodix_read_config(struct goodix_ts_data *ts)  in goodix_read_config()  argument
198 	error = goodix_i2c_read(ts->client, GOODIX_REG_CONFIG_DATA,  in goodix_read_config()
202 		dev_warn(&ts->client->dev,  in goodix_read_config()
205 		ts->abs_x_max = GOODIX_MAX_WIDTH;  in goodix_read_config()
206 		ts->abs_y_max = GOODIX_MAX_HEIGHT;  in goodix_read_config()
207 		ts->int_trigger_type = GOODIX_INT_TRIGGER;  in goodix_read_config()
208 		ts->max_touch_num = GOODIX_MAX_CONTACTS;  in goodix_read_config()
212 	ts->abs_x_max = get_unaligned_le16(&config[RESOLUTION_LOC]);  in goodix_read_config()
213 	ts->abs_y_max = get_unaligned_le16(&config[RESOLUTION_LOC + 2]);  in goodix_read_config()
214 	ts->int_trigger_type = config[TRIGGER_LOC] & 0x03;  in goodix_read_config()
215 	ts->max_touch_num = config[MAX_CONTACTS_LOC] & 0x0f;  in goodix_read_config()
216 	if (!ts->abs_x_max || !ts->abs_y_max || !ts->max_touch_num) {  in goodix_read_config()
217 		dev_err(&ts->client->dev,  in goodix_read_config()
219 		ts->abs_x_max = GOODIX_MAX_WIDTH;  in goodix_read_config()
220 		ts->abs_y_max = GOODIX_MAX_HEIGHT;  in goodix_read_config()
221 		ts->max_touch_num = GOODIX_MAX_CONTACTS;  in goodix_read_config()
282 static int goodix_request_input_dev(struct goodix_ts_data *ts)  in goodix_request_input_dev()  argument
286 	ts->input_dev = devm_input_allocate_device(&ts->client->dev);  in goodix_request_input_dev()
287 	if (!ts->input_dev) {  in goodix_request_input_dev()
288 		dev_err(&ts->client->dev, "Failed to allocate input device.");  in goodix_request_input_dev()
292 	ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) |  in goodix_request_input_dev()
296 	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0,  in goodix_request_input_dev()
297 				ts->abs_x_max, 0, 0);  in goodix_request_input_dev()
298 	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0,  in goodix_request_input_dev()
299 				ts->abs_y_max, 0, 0);  in goodix_request_input_dev()
300 	input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);  in goodix_request_input_dev()
301 	input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);  in goodix_request_input_dev()
303 	input_mt_init_slots(ts->input_dev, ts->max_touch_num,  in goodix_request_input_dev()
306 	ts->input_dev->name = "Goodix Capacitive TouchScreen";  in goodix_request_input_dev()
307 	ts->input_dev->phys = "input/ts";  in goodix_request_input_dev()
308 	ts->input_dev->id.bustype = BUS_I2C;  in goodix_request_input_dev()
309 	ts->input_dev->id.vendor = 0x0416;  in goodix_request_input_dev()
310 	ts->input_dev->id.product = 0x1001;  in goodix_request_input_dev()
311 	ts->input_dev->id.version = 10427;  in goodix_request_input_dev()
313 	error = input_register_device(ts->input_dev);  in goodix_request_input_dev()
315 		dev_err(&ts->client->dev,  in goodix_request_input_dev()
326 	struct goodix_ts_data *ts;  in goodix_ts_probe()  local
338 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in goodix_ts_probe()
339 	if (!ts)  in goodix_ts_probe()
342 	ts->client = client;  in goodix_ts_probe()
343 	i2c_set_clientdata(client, ts);  in goodix_ts_probe()
357 	goodix_read_config(ts);  in goodix_ts_probe()
359 	error = goodix_request_input_dev(ts);  in goodix_ts_probe()
363 	irq_flags = goodix_irq_flags[ts->int_trigger_type] | IRQF_ONESHOT;  in goodix_ts_probe()
364 	error = devm_request_threaded_irq(&ts->client->dev, client->irq,  in goodix_ts_probe()
366 					  irq_flags, client->name, ts);  in goodix_ts_probe()