118 static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data)  in goodix_ts_read_input_report()  argument
123 	error = goodix_i2c_read(ts->client, GOODIX_READ_COOR_ADDR, data,  in goodix_ts_read_input_report()
126 		dev_err(&ts->client->dev, "I2C transfer error: %d\n", error);  in goodix_ts_read_input_report()
134 	if (touch_num > ts->max_touch_num)  in goodix_ts_read_input_report()
139 		error = goodix_i2c_read(ts->client,  in goodix_ts_read_input_report()
151 static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data)  in goodix_ts_report_touch()  argument
158 	if (ts->rotated_screen) {  in goodix_ts_report_touch()
159 		input_x = ts->abs_x_max - input_x;  in goodix_ts_report_touch()
160 		input_y = ts->abs_y_max - input_y;  in goodix_ts_report_touch()
163 	input_mt_slot(ts->input_dev, id);  in goodix_ts_report_touch()
164 	input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true);  in goodix_ts_report_touch()
165 	input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x);  in goodix_ts_report_touch()
166 	input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, input_y);  in goodix_ts_report_touch()
167 	input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, input_w);  in goodix_ts_report_touch()
168 	input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, input_w);  in goodix_ts_report_touch()
179 static void goodix_process_events(struct goodix_ts_data *ts)  in goodix_process_events()  argument
185 	touch_num = goodix_ts_read_input_report(ts, point_data);  in goodix_process_events()
190 		goodix_ts_report_touch(ts,  in goodix_process_events()
193 	input_mt_sync_frame(ts->input_dev);  in goodix_process_events()
194 	input_sync(ts->input_dev);  in goodix_process_events()
210 	struct goodix_ts_data *ts = dev_id;  in goodix_ts_irq_handler()  local
212 	goodix_process_events(ts);  in goodix_ts_irq_handler()
214 	if (i2c_master_send(ts->client, end_cmd, sizeof(end_cmd)) < 0)  in goodix_ts_irq_handler()
215 		dev_err(&ts->client->dev, "I2C write end_cmd error\n");  in goodix_ts_irq_handler()
227 static void goodix_read_config(struct goodix_ts_data *ts)  in goodix_read_config()  argument
232 	error = goodix_i2c_read(ts->client, GOODIX_REG_CONFIG_DATA,  in goodix_read_config()
236 		dev_warn(&ts->client->dev,  in goodix_read_config()
239 		ts->abs_x_max = GOODIX_MAX_WIDTH;  in goodix_read_config()
240 		ts->abs_y_max = GOODIX_MAX_HEIGHT;  in goodix_read_config()
241 		ts->int_trigger_type = GOODIX_INT_TRIGGER;  in goodix_read_config()
242 		ts->max_touch_num = GOODIX_MAX_CONTACTS;  in goodix_read_config()
246 	ts->abs_x_max = get_unaligned_le16(&config[RESOLUTION_LOC]);  in goodix_read_config()
247 	ts->abs_y_max = get_unaligned_le16(&config[RESOLUTION_LOC + 2]);  in goodix_read_config()
248 	ts->int_trigger_type = config[TRIGGER_LOC] & 0x03;  in goodix_read_config()
249 	ts->max_touch_num = config[MAX_CONTACTS_LOC] & 0x0f;  in goodix_read_config()
250 	if (!ts->abs_x_max || !ts->abs_y_max || !ts->max_touch_num) {  in goodix_read_config()
251 		dev_err(&ts->client->dev,  in goodix_read_config()
253 		ts->abs_x_max = GOODIX_MAX_WIDTH;  in goodix_read_config()
254 		ts->abs_y_max = GOODIX_MAX_HEIGHT;  in goodix_read_config()
255 		ts->max_touch_num = GOODIX_MAX_CONTACTS;  in goodix_read_config()
258 	ts->rotated_screen = dmi_check_system(rotated_screen);  in goodix_read_config()
259 	if (ts->rotated_screen)  in goodix_read_config()
260 		dev_dbg(&ts->client->dev,  in goodix_read_config()
329 static int goodix_request_input_dev(struct goodix_ts_data *ts, u16 version,  in goodix_request_input_dev()  argument
334 	ts->input_dev = devm_input_allocate_device(&ts->client->dev);  in goodix_request_input_dev()
335 	if (!ts->input_dev) {  in goodix_request_input_dev()
336 		dev_err(&ts->client->dev, "Failed to allocate input device.");  in goodix_request_input_dev()
340 	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X,  in goodix_request_input_dev()
341 			     0, ts->abs_x_max, 0, 0);  in goodix_request_input_dev()
342 	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y,  in goodix_request_input_dev()
343 			     0, ts->abs_y_max, 0, 0);  in goodix_request_input_dev()
344 	input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);  in goodix_request_input_dev()
345 	input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);  in goodix_request_input_dev()
347 	input_mt_init_slots(ts->input_dev, ts->max_touch_num,  in goodix_request_input_dev()
350 	ts->input_dev->name = "Goodix Capacitive TouchScreen";  in goodix_request_input_dev()
351 	ts->input_dev->phys = "input/ts";  in goodix_request_input_dev()
352 	ts->input_dev->id.bustype = BUS_I2C;  in goodix_request_input_dev()
353 	ts->input_dev->id.vendor = 0x0416;  in goodix_request_input_dev()
354 	ts->input_dev->id.product = id;  in goodix_request_input_dev()
355 	ts->input_dev->id.version = version;  in goodix_request_input_dev()
357 	error = input_register_device(ts->input_dev);  in goodix_request_input_dev()
359 		dev_err(&ts->client->dev,  in goodix_request_input_dev()
370 	struct goodix_ts_data *ts;  in goodix_ts_probe()  local
382 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in goodix_ts_probe()
383 	if (!ts)  in goodix_ts_probe()
386 	ts->client = client;  in goodix_ts_probe()
387 	i2c_set_clientdata(client, ts);  in goodix_ts_probe()
401 	goodix_read_config(ts);  in goodix_ts_probe()
403 	error = goodix_request_input_dev(ts, version_info, id_info);  in goodix_ts_probe()
407 	irq_flags = goodix_irq_flags[ts->int_trigger_type] | IRQF_ONESHOT;  in goodix_ts_probe()
408 	error = devm_request_threaded_irq(&ts->client->dev, client->irq,  in goodix_ts_probe()
410 					  irq_flags, client->name, ts);  in goodix_ts_probe()