input/touchscreen/auo-pixcir-ts.c

138 static int auo_pixcir_collect_data(struct auo_pixcir_ts *ts,
141 	struct i2c_client *client = ts->client;
168 		if (point[i].coord_x > ts->x_max ||
169 		    point[i].coord_y > ts->y_max) {
186 	struct auo_pixcir_ts *ts = dev_id;
193 	while (!ts->stopped) {
196 		if (ts->touch_ind_mode) {
197 			if (gpiod_get_value_cansleep(ts->gpio_int) == 0) {
198 				input_mt_sync(ts->input);
199 				input_report_key(ts->input, BTN_TOUCH, 0);
200 				input_sync(ts->input);
205 		ret = auo_pixcir_collect_data(ts, point);
208 			if (!ts->touch_ind_mode)
211 			wait_event_timeout(ts->wait, ts->stopped,
218 				input_report_abs(ts->input, ABS_MT_POSITION_X,
220 				input_report_abs(ts->input, ABS_MT_POSITION_Y,
222 				input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR,
224 				input_report_abs(ts->input, ABS_MT_TOUCH_MINOR,
226 				input_report_abs(ts->input, ABS_MT_ORIENTATION,
228 				input_mt_sync(ts->input);
241 		input_report_key(ts->input, BTN_TOUCH, fingers > 0);
244 			input_report_abs(ts->input, ABS_X, point[abs].coord_x);
245 			input_report_abs(ts->input, ABS_Y, point[abs].coord_y);
248 		input_sync(ts->input);
251 		if (!ts->touch_ind_mode)
254 		wait_event_timeout(ts->wait, ts->stopped,
268 static int auo_pixcir_power_mode(struct auo_pixcir_ts *ts, int mode)
270 	struct i2c_client *client = ts->client;
293 static int auo_pixcir_int_config(struct auo_pixcir_ts *ts, int int_setting)
295 	struct i2c_client *client = ts->client;
317 	ts->touch_ind_mode = int_setting == AUO_PIXCIR_INT_TOUCH_IND;
323 static int auo_pixcir_int_toggle(struct auo_pixcir_ts *ts, bool enable)
325 	struct i2c_client *client = ts->client;
351 static int auo_pixcir_start(struct auo_pixcir_ts *ts)
353 	struct i2c_client *client = ts->client;
356 	ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_ACTIVE);
363 	ts->stopped = false;
367 	ret = auo_pixcir_int_toggle(ts, 1);
378 static int auo_pixcir_stop(struct auo_pixcir_ts *ts)
380 	struct i2c_client *client = ts->client;
383 	ret = auo_pixcir_int_toggle(ts, 0);
392 	ts->stopped = true;
394 	wake_up(&ts->wait);
396 	return auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_DEEP_SLEEP);
401 	struct auo_pixcir_ts *ts = input_get_drvdata(dev);
403 	return auo_pixcir_start(ts);
408 	struct auo_pixcir_ts *ts = input_get_drvdata(dev);
410 	auo_pixcir_stop(ts);
416 	struct auo_pixcir_ts *ts = i2c_get_clientdata(client);
417 	struct input_dev *input = ts->input;
428 			ret = auo_pixcir_start(ts);
434 		ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_SLEEP);
436 		ret = auo_pixcir_stop(ts);
448 	struct auo_pixcir_ts *ts = i2c_get_clientdata(client);
449 	struct input_dev *input = ts->input;
459 			ret = auo_pixcir_stop(ts);
466 		ret = auo_pixcir_start(ts);
480 	struct auo_pixcir_ts *ts = data;
482 	gpiod_set_value_cansleep(ts->gpio_rst, 1);
487 	struct auo_pixcir_ts *ts;
492 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);
493 	if (!ts)
502 	ts->client = client;
503 	ts->input = input_dev;
504 	ts->touch_ind_mode = 0;
505 	ts->stopped = true;
506 	init_waitqueue_head(&ts->wait);
508 	snprintf(ts->phys, sizeof(ts->phys),
511 	if (device_property_read_u32(&client->dev, "x-size", &ts->x_max)) {
516 	if (device_property_read_u32(&client->dev, "y-size", &ts->y_max)) {
522 	input_dev->phys = ts->phys;
534 	input_set_abs_params(input_dev, ABS_X, 0, ts->x_max, 0, 0);
535 	input_set_abs_params(input_dev, ABS_Y, 0, ts->y_max, 0, 0);
538 	input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, ts->x_max, 0, 0);
539 	input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, ts->y_max, 0, 0);
546 	input_set_drvdata(ts->input, ts);
548 	ts->gpio_int = devm_gpiod_get_index(&client->dev, NULL, 0, GPIOD_IN);
549 	error = PTR_ERR_OR_ZERO(ts->gpio_int);
556 	gpiod_set_consumer_name(ts->gpio_int, "auo_pixcir_ts_int");
559 	ts->gpio_rst = devm_gpiod_get_index(&client->dev, NULL, 1,
561 	error = PTR_ERR_OR_ZERO(ts->gpio_rst);
568 	gpiod_set_consumer_name(ts->gpio_rst, "auo_pixcir_ts_rst");
570 	error = devm_add_action_or_reset(&client->dev, auo_pixcir_reset, ts);
588 	error = auo_pixcir_int_config(ts, AUO_PIXCIR_INT_TOUCH_IND);
595 					  input_dev->name, ts);
603 	error = auo_pixcir_stop(ts);
614 	i2c_set_clientdata(client, ts);