89 bool tsc2007_is_pen_down(struct tsc2007 *ts)  in tsc2007_is_pen_down()  argument
105 	if (!ts->get_pendown_state)  in tsc2007_is_pen_down()
108 	return ts->get_pendown_state(&ts->client->dev);  in tsc2007_is_pen_down()
113 	struct tsc2007 *ts = handle;  in tsc2007_soft_irq()  local
114 	struct input_dev *input = ts->input;  in tsc2007_soft_irq()
118 	while (!ts->stopped && tsc2007_is_pen_down(ts)) {  in tsc2007_soft_irq()
122 		mutex_lock(&ts->mlock);  in tsc2007_soft_irq()
123 		tsc2007_read_values(ts, &tc);  in tsc2007_soft_irq()
124 		mutex_unlock(&ts->mlock);  in tsc2007_soft_irq()
126 		rt = tsc2007_calculate_resistance(ts, &tc);  in tsc2007_soft_irq()
128 		if (!rt && !ts->get_pendown_state) {  in tsc2007_soft_irq()
137 		if (rt <= ts->max_rt) {  in tsc2007_soft_irq()
138 			dev_dbg(&ts->client->dev,  in tsc2007_soft_irq()
142 			rt = ts->max_rt - rt;  in tsc2007_soft_irq()
145 			touchscreen_report_pos(input, &ts->prop, tc.x, tc.y, false);  in tsc2007_soft_irq()
156 			dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt);  in tsc2007_soft_irq()
159 		wait_event_timeout(ts->wait, ts->stopped, ts->poll_period);  in tsc2007_soft_irq()
162 	dev_dbg(&ts->client->dev, "UP\n");  in tsc2007_soft_irq()
168 	if (ts->clear_penirq)  in tsc2007_soft_irq()
169 		ts->clear_penirq();  in tsc2007_soft_irq()
174 static void tsc2007_stop(struct tsc2007 *ts)  in tsc2007_stop()  argument
176 	ts->stopped = true;  in tsc2007_stop()
178 	wake_up(&ts->wait);  in tsc2007_stop()
180 	disable_irq(ts->irq);  in tsc2007_stop()
185 	struct tsc2007 *ts = input_get_drvdata(input_dev);  in tsc2007_open()  local
188 	ts->stopped = false;  in tsc2007_open()
191 	enable_irq(ts->irq);  in tsc2007_open()
194 	err = tsc2007_xfer(ts, PWRDOWN);  in tsc2007_open()
196 		tsc2007_stop(ts);  in tsc2007_open()
205 	struct tsc2007 *ts = input_get_drvdata(input_dev);  in tsc2007_close()  local
207 	tsc2007_stop(ts);  in tsc2007_close()
213 	struct tsc2007 *ts = i2c_get_clientdata(client);  in tsc2007_get_pendown_state_gpio()  local
215 	return gpiod_get_value_cansleep(ts->gpiod);  in tsc2007_get_pendown_state_gpio()
218 static int tsc2007_probe_properties(struct device *dev, struct tsc2007 *ts)  in tsc2007_probe_properties()  argument
224 		ts->max_rt = val32;  in tsc2007_probe_properties()
226 		ts->max_rt = MAX_12BIT;  in tsc2007_probe_properties()
229 		ts->fuzzx = val32;  in tsc2007_probe_properties()
232 		ts->fuzzy = val32;  in tsc2007_probe_properties()
235 		ts->fuzzz = val32;  in tsc2007_probe_properties()
238 		ts->poll_period = msecs_to_jiffies(val64);  in tsc2007_probe_properties()
240 		ts->poll_period = msecs_to_jiffies(1);  in tsc2007_probe_properties()
243 		ts->x_plate_ohms = val32;  in tsc2007_probe_properties()
249 	ts->gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN);  in tsc2007_probe_properties()
250 	if (IS_ERR(ts->gpiod))  in tsc2007_probe_properties()
251 		return PTR_ERR(ts->gpiod);  in tsc2007_probe_properties()
253 	if (ts->gpiod)  in tsc2007_probe_properties()
254 		ts->get_pendown_state = tsc2007_get_pendown_state_gpio;  in tsc2007_probe_properties()
261 static int tsc2007_probe_pdev(struct device *dev, struct tsc2007 *ts,  in tsc2007_probe_pdev()  argument
265 	ts->model             = pdata->model;  in tsc2007_probe_pdev()
266 	ts->x_plate_ohms      = pdata->x_plate_ohms;  in tsc2007_probe_pdev()
267 	ts->max_rt            = pdata->max_rt ? : MAX_12BIT;  in tsc2007_probe_pdev()
268 	ts->poll_period       = msecs_to_jiffies(pdata->poll_period ? : 1);  in tsc2007_probe_pdev()
269 	ts->get_pendown_state = pdata->get_pendown_state;  in tsc2007_probe_pdev()
270 	ts->clear_penirq      = pdata->clear_penirq;  in tsc2007_probe_pdev()
271 	ts->fuzzx             = pdata->fuzzx;  in tsc2007_probe_pdev()
272 	ts->fuzzy             = pdata->fuzzy;  in tsc2007_probe_pdev()
273 	ts->fuzzz             = pdata->fuzzz;  in tsc2007_probe_pdev()
296 	struct tsc2007 *ts;  in tsc2007_probe()  local
304 	ts = devm_kzalloc(&client->dev, sizeof(struct tsc2007), GFP_KERNEL);  in tsc2007_probe()
305 	if (!ts)  in tsc2007_probe()
309 		err = tsc2007_probe_pdev(&client->dev, ts, pdata, id);  in tsc2007_probe()
311 		err = tsc2007_probe_properties(&client->dev, ts);  in tsc2007_probe()
319 	i2c_set_clientdata(client, ts);  in tsc2007_probe()
321 	ts->client = client;  in tsc2007_probe()
322 	ts->irq = client->irq;  in tsc2007_probe()
323 	ts->input = input_dev;  in tsc2007_probe()
325 	init_waitqueue_head(&ts->wait);  in tsc2007_probe()
326 	mutex_init(&ts->mlock);  in tsc2007_probe()
328 	snprintf(ts->phys, sizeof(ts->phys),  in tsc2007_probe()
332 	input_dev->phys = ts->phys;  in tsc2007_probe()
338 	input_set_drvdata(input_dev, ts);  in tsc2007_probe()
341 	input_set_abs_params(input_dev, ABS_X, 0, MAX_12BIT, ts->fuzzx, 0);  in tsc2007_probe()
342 	input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, ts->fuzzy, 0);  in tsc2007_probe()
343 	touchscreen_parse_properties(input_dev, false, &ts->prop);  in tsc2007_probe()
345 			     ts->fuzzz, 0);  in tsc2007_probe()
364 	err = devm_request_threaded_irq(&client->dev, ts->irq,  in tsc2007_probe()
367 					client->dev.driver->name, ts);  in tsc2007_probe()
370 			ts->irq, err);  in tsc2007_probe()
374 	tsc2007_stop(ts);  in tsc2007_probe()
377 	err = tsc2007_xfer(ts, PWRDOWN);  in tsc2007_probe()
391 	err =  tsc2007_iio_configure(ts);  in tsc2007_probe()