151 static bool tsc2007_is_pen_down(struct tsc2007 *ts)  in tsc2007_is_pen_down()  argument
167 	if (!ts->get_pendown_state)  in tsc2007_is_pen_down()
170 	return ts->get_pendown_state(&ts->client->dev);  in tsc2007_is_pen_down()
175 	struct tsc2007 *ts = handle;  in tsc2007_soft_irq()  local
176 	struct input_dev *input = ts->input;  in tsc2007_soft_irq()
180 	while (!ts->stopped && tsc2007_is_pen_down(ts)) {  in tsc2007_soft_irq()
183 		tsc2007_read_values(ts, &tc);  in tsc2007_soft_irq()
185 		rt = tsc2007_calculate_pressure(ts, &tc);  in tsc2007_soft_irq()
187 		if (!rt && !ts->get_pendown_state) {  in tsc2007_soft_irq()
196 		if (rt <= ts->max_rt) {  in tsc2007_soft_irq()
197 			dev_dbg(&ts->client->dev,  in tsc2007_soft_irq()
214 			dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);  in tsc2007_soft_irq()
217 		wait_event_timeout(ts->wait, ts->stopped, ts->poll_period);  in tsc2007_soft_irq()
220 	dev_dbg(&ts->client->dev, "UP\n");  in tsc2007_soft_irq()
226 	if (ts->clear_penirq)  in tsc2007_soft_irq()
227 		ts->clear_penirq();  in tsc2007_soft_irq()
234 	struct tsc2007 *ts = handle;  in tsc2007_hard_irq()  local
236 	if (tsc2007_is_pen_down(ts))  in tsc2007_hard_irq()
239 	if (ts->clear_penirq)  in tsc2007_hard_irq()
240 		ts->clear_penirq();  in tsc2007_hard_irq()
245 static void tsc2007_stop(struct tsc2007 *ts)  in tsc2007_stop()  argument
247 	ts->stopped = true;  in tsc2007_stop()
249 	wake_up(&ts->wait);  in tsc2007_stop()
251 	disable_irq(ts->irq);  in tsc2007_stop()
256 	struct tsc2007 *ts = input_get_drvdata(input_dev);  in tsc2007_open()  local
259 	ts->stopped = false;  in tsc2007_open()
262 	enable_irq(ts->irq);  in tsc2007_open()
265 	err = tsc2007_xfer(ts, PWRDOWN);  in tsc2007_open()
267 		tsc2007_stop(ts);  in tsc2007_open()
276 	struct tsc2007 *ts = input_get_drvdata(input_dev);  in tsc2007_close()  local
278 	tsc2007_stop(ts);  in tsc2007_close()
285 	struct tsc2007 *ts = i2c_get_clientdata(client);  in tsc2007_get_pendown_state_gpio()  local
287 	return !gpio_get_value(ts->gpio);  in tsc2007_get_pendown_state_gpio()
290 static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts)  in tsc2007_probe_dt()  argument
302 		ts->max_rt = val32;  in tsc2007_probe_dt()
304 		ts->max_rt = MAX_12BIT;  in tsc2007_probe_dt()
307 		ts->fuzzx = val32;  in tsc2007_probe_dt()
310 		ts->fuzzy = val32;  in tsc2007_probe_dt()
313 		ts->fuzzz = val32;  in tsc2007_probe_dt()
316 		ts->poll_period = msecs_to_jiffies(val64);  in tsc2007_probe_dt()
318 		ts->poll_period = msecs_to_jiffies(1);  in tsc2007_probe_dt()
321 		ts->x_plate_ohms = val32;  in tsc2007_probe_dt()
327 	ts->gpio = of_get_gpio(np, 0);  in tsc2007_probe_dt()
328 	if (gpio_is_valid(ts->gpio))  in tsc2007_probe_dt()
329 		ts->get_pendown_state = tsc2007_get_pendown_state_gpio;  in tsc2007_probe_dt()
333 			 ts->gpio);  in tsc2007_probe_dt()
338 static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts)  in tsc2007_probe_dt()  argument
345 static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts,  in tsc2007_probe_pdev()  argument
349 	ts->model             = pdata->model;  in tsc2007_probe_pdev()
350 	ts->x_plate_ohms      = pdata->x_plate_ohms;  in tsc2007_probe_pdev()
351 	ts->max_rt            = pdata->max_rt ? : MAX_12BIT;  in tsc2007_probe_pdev()
352 	ts->poll_period       = msecs_to_jiffies(pdata->poll_period ? : 1);  in tsc2007_probe_pdev()
353 	ts->get_pendown_state = pdata->get_pendown_state;  in tsc2007_probe_pdev()
354 	ts->clear_penirq      = pdata->clear_penirq;  in tsc2007_probe_pdev()
355 	ts->fuzzx             = pdata->fuzzx;  in tsc2007_probe_pdev()
356 	ts->fuzzy             = pdata->fuzzy;  in tsc2007_probe_pdev()
357 	ts->fuzzz             = pdata->fuzzz;  in tsc2007_probe_pdev()
379 	struct tsc2007 *ts;  in tsc2007_probe()  local
387 	ts = devm_kzalloc(&client->dev, sizeof(struct tsc2007), GFP_KERNEL);  in tsc2007_probe()
388 	if (!ts)  in tsc2007_probe()
392 		err = tsc2007_probe_pdev(client, ts, pdata, id);  in tsc2007_probe()
394 		err = tsc2007_probe_dt(client, ts);  in tsc2007_probe()
402 	i2c_set_clientdata(client, ts);  in tsc2007_probe()
404 	ts->client = client;  in tsc2007_probe()
405 	ts->irq = client->irq;  in tsc2007_probe()
406 	ts->input = input_dev;  in tsc2007_probe()
407 	init_waitqueue_head(&ts->wait);  in tsc2007_probe()
409 	snprintf(ts->phys, sizeof(ts->phys),  in tsc2007_probe()
413 	input_dev->phys = ts->phys;  in tsc2007_probe()
419 	input_set_drvdata(input_dev, ts);  in tsc2007_probe()
424 	input_set_abs_params(input_dev, ABS_X, 0, MAX_12BIT, ts->fuzzx, 0);  in tsc2007_probe()
425 	input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, ts->fuzzy, 0);  in tsc2007_probe()
427 			     ts->fuzzz, 0);  in tsc2007_probe()
446 	err = devm_request_threaded_irq(&client->dev, ts->irq,  in tsc2007_probe()
449 					client->dev.driver->name, ts);  in tsc2007_probe()
452 			ts->irq, err);  in tsc2007_probe()
456 	tsc2007_stop(ts);  in tsc2007_probe()