187 static int gslx680_set_pinctrl_state(struct gsl_ts *ts,  in gslx680_set_pinctrl_state()  argument
192 	if (!IS_ERR(ts->pinctrl))  in gslx680_set_pinctrl_state()
193 		return PTR_ERR(ts->pinctrl);  in gslx680_set_pinctrl_state()
196 		ret = pinctrl_select_state(ts->pinctrl, state);  in gslx680_set_pinctrl_state()
204 static int gslX680_init(struct gsl_ts *ts)  in gslX680_init()  argument
206 	struct device_node *np = ts->client->dev.of_node;  in gslX680_init()
209 	ts->irq = of_get_named_gpio_flags(np, "touch-gpio", 0, NULL);  in gslX680_init()
210 	ts->rst = of_get_named_gpio_flags(np, "reset-gpio", 0, NULL);  in gslX680_init()
213 	ts->pinctrl = devm_pinctrl_get(&ts->client->dev);  in gslX680_init()
214 	if (!IS_ERR(ts->pinctrl)) {  in gslX680_init()
215 		ts->pins_default =  in gslX680_init()
216 			pinctrl_lookup_state(ts->pinctrl, PINCTRL_STATE_DEFAULT);  in gslX680_init()
217 		ts->pins_sleep =  in gslX680_init()
218 			pinctrl_lookup_state(ts->pinctrl, PINCTRL_STATE_SLEEP);  in gslX680_init()
219 		ts->pins_inactive =  in gslX680_init()
220 			pinctrl_lookup_state(ts->pinctrl, "inactive");  in gslX680_init()
221 		gslx680_set_pinctrl_state(ts, ts->pins_default);  in gslX680_init()
224 	err = gpio_request(ts->rst, "tp reset");  in gslX680_init()
230 	gpio_direction_output(ts->rst, 1);  in gslX680_init()
231 	gpio_set_value(ts->rst, 1);  in gslX680_init()
236 static int gslX680_shutdown_low(struct gsl_ts *ts)  in gslX680_shutdown_low()  argument
239 	gpio_direction_output(ts->rst, 0);  in gslX680_shutdown_low()
240 	gpio_set_value(ts->rst, 0);  in gslX680_shutdown_low()
245 static int gslX680_shutdown_high(struct gsl_ts *ts)  in gslX680_shutdown_high()  argument
248 	gpio_direction_output(ts->rst, 1);  in gslX680_shutdown_high()
249 	gpio_set_value(ts->rst, 1);  in gslX680_shutdown_high()
530 static void init_chip(struct i2c_client *client, struct gsl_ts *ts)  in init_chip()  argument
538 	gslX680_shutdown_low(ts);  in init_chip()
540 	gslX680_shutdown_high(ts);  in init_chip()
564 static void check_mem_data(struct i2c_client *client, struct gsl_ts *ts)  in check_mem_data()  argument
574 		init_chip(client, ts);  in check_mem_data()
816 static void report_key(struct gsl_ts *ts, u16 x, u16 y)  in report_key()  argument
826 			input_report_key(ts->input, key, 1);  in report_key()
827 			input_sync(ts->input);  in report_key()
836 static void report_data(struct gsl_ts *ts, u16 x, u16 y, u8 pressure, u8 id)  in report_data()  argument
848 		input_event(ts->input, EV_MSC, MSC_SCAN, 0x90001);  in report_data()
849 		input_report_key(ts->input, 0x110, 1);  in report_data()
850 		input_sync(ts->input);  in report_data()
856 	input_report_rel(ts->input, REL_Y, -delt_x);  in report_data()
857 	input_report_rel(ts->input, REL_X, -delt_y);  in report_data()
858 	input_sync(ts->input);  in report_data()
868 	input_mt_slot(ts->input, id);  in report_data()
869 	input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);  in report_data()
870 	input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);  in report_data()
871 	input_report_abs(ts->input, ABS_MT_POSITION_X, x);  in report_data()
872 	input_report_abs(ts->input, ABS_MT_POSITION_Y, y);  in report_data()
873 	input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);  in report_data()
875 	input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);  in report_data()
876 	input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);  in report_data()
877 	input_report_abs(ts->input, ABS_MT_POSITION_X, x);  in report_data()
878 	input_report_abs(ts->input, ABS_MT_POSITION_Y, y);  in report_data()
879 	input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);  in report_data()
880 	input_mt_sync(ts->input);  in report_data()
884 static void glsx680_ts_irq_disable(struct gsl_ts *ts)  in glsx680_ts_irq_disable()  argument
888 	spin_lock_irqsave(&ts->irq_lock, irqflags);  in glsx680_ts_irq_disable()
889 	if (!ts->flag_irq_is_disable) {  in glsx680_ts_irq_disable()
890 		disable_irq_nosync(ts->client->irq);  in glsx680_ts_irq_disable()
891 		ts->flag_irq_is_disable = 1;  in glsx680_ts_irq_disable()
893 	spin_unlock_irqrestore(&ts->irq_lock, irqflags);  in glsx680_ts_irq_disable()
896 static void glsx680_ts_irq_enable(struct gsl_ts *ts)  in glsx680_ts_irq_enable()  argument
900 	spin_lock_irqsave(&ts->irq_lock, irqflags);  in glsx680_ts_irq_enable()
901 	if (ts->flag_irq_is_disable) {  in glsx680_ts_irq_enable()
902 		enable_irq(ts->client->irq);  in glsx680_ts_irq_enable()
903 		ts->flag_irq_is_disable = 0;  in glsx680_ts_irq_enable()
905 	spin_unlock_irqrestore(&ts->irq_lock, irqflags);  in glsx680_ts_irq_enable()
920 	struct gsl_ts *ts = container_of(work, struct gsl_ts, work);  in gslX680_ts_worker()  local
934 	rc = gsl_ts_read(ts->client, 0x80, ts->touch_data, ts->dd->data_size);  in gslX680_ts_worker()
936 		dev_err(&ts->client->dev, "read failed\n");  in gslX680_ts_worker()
940 	touches = ts->touch_data[ts->dd->touch_index];  in gslX680_ts_worker()
947 		    join_bytes((ts->  in gslX680_ts_worker()
948 				touch_data[ts->dd->x_index + 4 * i + 1] & 0xf),  in gslX680_ts_worker()
949 			       ts->touch_data[ts->dd->x_index + 4 * i]);  in gslX680_ts_worker()
951 		    join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],  in gslX680_ts_worker()
952 			       ts->touch_data[ts->dd->y_index + 4 * i]);  in gslX680_ts_worker()
954 		    ((ts->touch_data[ts->dd->x_index + 4 * i + 1] & 0xf0) >> 4);  in gslX680_ts_worker()
957 	cinfo.finger_num = (ts->touch_data[3] << 24) | (ts->touch_data[2] << 16)  in gslX680_ts_worker()
958 	    | (ts->touch_data[1] << 8) | (ts->touch_data[0]);  in gslX680_ts_worker()
966 		gsl_ts_write(ts->client, 0xf0, buf, 4);  in gslX680_ts_worker()
971 		gsl_ts_write(ts->client, 0x8, buf, 4);  in gslX680_ts_worker()
987 		x = join_bytes((ts->  in gslX680_ts_worker()
988 				touch_data[ts->dd->x_index + 4 * i + 1] & 0xf),  in gslX680_ts_worker()
989 			       ts->touch_data[ts->dd->x_index + 4 * i]);  in gslX680_ts_worker()
990 		y = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],  in gslX680_ts_worker()
991 			       ts->touch_data[ts->dd->y_index + 4 * i]);  in gslX680_ts_worker()
992 		id = ts->touch_data[ts->dd->id_index + 4 * i] >> 4;  in gslX680_ts_worker()
1001 			report_data(ts, x, y, 10, id);  in gslX680_ts_worker()
1016 				input_event(ts->input, EV_MSC,  in gslX680_ts_worker()
1018 				input_report_key(ts->input, 0x110, 0);  in gslX680_ts_worker()
1019 				input_sync(ts->input);  in gslX680_ts_worker()
1025 			input_mt_slot(ts->input, i);  in gslX680_ts_worker()
1026 			input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);  in gslX680_ts_worker()
1027 			input_mt_report_slot_state(ts->input,  in gslX680_ts_worker()
1038 		input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, 0);  in gslX680_ts_worker()
1039 		input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 0);  in gslX680_ts_worker()
1040 		input_mt_sync(ts->input);  in gslX680_ts_worker()
1057 					input_report_key(ts->input,  in gslX680_ts_worker()
1059 					input_sync(ts->input);  in gslX680_ts_worker()
1060 					input_report_key(ts->input,  in gslX680_ts_worker()
1062 					input_sync(ts->input);  in gslX680_ts_worker()
1066 					input_report_key(ts->input,  in gslX680_ts_worker()
1068 					input_sync(ts->input);  in gslX680_ts_worker()
1069 					input_report_key(ts->input,  in gslX680_ts_worker()
1071 					input_sync(ts->input);  in gslX680_ts_worker()
1076 					input_report_key(ts->input,  in gslX680_ts_worker()
1078 					input_sync(ts->input);  in gslX680_ts_worker()
1079 					input_report_key(ts->input,  in gslX680_ts_worker()
1081 					input_sync(ts->input);  in gslX680_ts_worker()
1085 					input_report_key(ts->input,  in gslX680_ts_worker()
1087 					input_sync(ts->input);  in gslX680_ts_worker()
1088 					input_report_key(ts->input,  in gslX680_ts_worker()
1090 					input_sync(ts->input);  in gslX680_ts_worker()
1100 					   &ts->click_work);  in gslX680_ts_worker()
1104 					input_report_key(ts->input,  in gslX680_ts_worker()
1106 					input_sync(ts->input);  in gslX680_ts_worker()
1107 					input_report_key(ts->input,  in gslX680_ts_worker()
1109 					input_sync(ts->input);  in gslX680_ts_worker()
1120 					input_report_key(ts->input,  in gslX680_ts_worker()
1122 					input_sync(ts->input);  in gslX680_ts_worker()
1123 					input_report_key(ts->input,  in gslX680_ts_worker()
1125 					input_sync(ts->input);  in gslX680_ts_worker()
1128 					input_report_key(ts->input,  in gslX680_ts_worker()
1130 					input_sync(ts->input);  in gslX680_ts_worker()
1131 					input_report_key(ts->input,  in gslX680_ts_worker()
1133 					input_sync(ts->input);  in gslX680_ts_worker()
1138 					input_report_key(ts->input,  in gslX680_ts_worker()
1140 					input_sync(ts->input);  in gslX680_ts_worker()
1141 					input_report_key(ts->input,  in gslX680_ts_worker()
1143 					input_sync(ts->input);  in gslX680_ts_worker()
1146 					input_report_key(ts->input,  in gslX680_ts_worker()
1148 					input_sync(ts->input);  in gslX680_ts_worker()
1149 					input_report_key(ts->input,  in gslX680_ts_worker()
1151 					input_sync(ts->input);  in gslX680_ts_worker()
1162 			input_report_key(ts->input, key, 0);  in gslX680_ts_worker()
1163 			input_sync(ts->input);  in gslX680_ts_worker()
1169 	input_sync(ts->input);  in gslX680_ts_worker()
1176 	glsx680_ts_irq_enable(ts);  in gslX680_ts_worker()
1197 	struct gsl_ts *ts =  in gsl_monitor_worker()  local
1204 	gsl_ts_read(ts->client, 0xb0, read_buf, 4);  in gsl_monitor_worker()
1216 	gsl_ts_read(ts->client, 0xb4, read_buf, 4);  in gsl_monitor_worker()
1234 	gsl_ts_read(ts->client, 0xbc, read_buf, 4);  in gsl_monitor_worker()
1248 		init_chip(ts->client, ts);  in gsl_monitor_worker()
1256 	struct gsl_ts *ts = (struct gsl_ts *)dev_id;  in gsl_ts_irq()  local
1258 	glsx680_ts_irq_disable(ts);  in gsl_ts_irq()
1260 	if (!work_pending(&ts->work))  in gsl_ts_irq()
1261 		queue_work(ts->wq, &ts->work);  in gsl_ts_irq()
1266 static int gslX680_ts_init(struct i2c_client *client, struct gsl_ts *ts)  in gslX680_ts_init()  argument
1274 	ts->dd = &devices[ts->device_id];  in gslX680_ts_init()
1276 	if (ts->device_id == 0) {  in gslX680_ts_init()
1277 		ts->dd->data_size =  in gslX680_ts_init()
1278 		    MAX_FINGERS * ts->dd->touch_bytes + ts->dd->touch_meta_data;  in gslX680_ts_init()
1279 		ts->dd->touch_index = 0;  in gslX680_ts_init()
1282 	ts->touch_data =  in gslX680_ts_init()
1283 	    devm_kzalloc(&client->dev, ts->dd->data_size, GFP_KERNEL);  in gslX680_ts_init()
1284 	if (!ts->touch_data) {  in gslX680_ts_init()
1289 	input_device = devm_input_allocate_device(&ts->client->dev);  in gslX680_ts_init()
1295 	ts->input = input_device;  in gslX680_ts_init()
1299 	input_set_drvdata(input_device, ts);  in gslX680_ts_init()
1345 	/* ts->irq = client->irq; */  in gslX680_ts_init()
1347 	ts->wq = create_singlethread_workqueue("kworkqueue_ts");  in gslX680_ts_init()
1348 	if (!ts->wq) {  in gslX680_ts_init()
1352 	flush_workqueue(ts->wq);  in gslX680_ts_init()
1354 	INIT_WORK(&ts->work, gslX680_ts_worker);  in gslX680_ts_init()
1363 	destroy_workqueue(ts->wq);  in gslX680_ts_init()
1370 	struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);  in gsl_ts_early_suspend()  local
1373 	cancel_delayed_work_sync(&ts->gsl_monitor_work);  in gsl_ts_early_suspend()
1380 	glsx680_ts_irq_disable(ts);  in gsl_ts_early_suspend()
1381 	cancel_work_sync(&ts->work);  in gsl_ts_early_suspend()
1387 		input_mt_slot(ts->input, i);  in gsl_ts_early_suspend()
1388 		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);  in gsl_ts_early_suspend()
1389 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);  in gsl_ts_early_suspend()
1392 	input_mt_sync(ts->input);  in gsl_ts_early_suspend()
1394 	input_sync(ts->input);  in gsl_ts_early_suspend()
1396 	report_data(ts, 1, 1, 10, 1);  in gsl_ts_early_suspend()
1397 	input_sync(ts->input);  in gsl_ts_early_suspend()
1399 	gslX680_shutdown_low(ts);  in gsl_ts_early_suspend()
1405 	struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);  in gsl_ts_late_resume()  local
1408 	gslX680_shutdown_high(ts);  in gsl_ts_late_resume()
1410 	reset_chip(ts->client);  in gsl_ts_late_resume()
1411 	startup_chip(ts->client);  in gsl_ts_late_resume()
1412 	check_mem_data(ts->client, ts);  in gsl_ts_late_resume()
1417 		input_mt_slot(ts->input, i);  in gsl_ts_late_resume()
1418 		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);  in gsl_ts_late_resume()
1419 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);  in gsl_ts_late_resume()
1422 	input_mt_sync(ts->input);  in gsl_ts_late_resume()
1424 	input_sync(ts->input);  in gsl_ts_late_resume()
1428 	queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 300);  in gsl_ts_late_resume()
1430 	glsx680_ts_irq_enable(ts);  in gsl_ts_late_resume()
1439 	struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);  in gsl_ts_early_suspend()  local
1442 	cancel_delayed_work_sync(&ts->gsl_monitor_work);  in gsl_ts_early_suspend()
1445 	glsx680_ts_irq_disable(ts);  in gsl_ts_early_suspend()
1446 	cancel_work_sync(&ts->work);  in gsl_ts_early_suspend()
1452 		input_mt_slot(ts->input, i);  in gsl_ts_early_suspend()
1453 		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);  in gsl_ts_early_suspend()
1454 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);  in gsl_ts_early_suspend()
1457 	input_mt_sync(ts->input);  in gsl_ts_early_suspend()
1459 	input_sync(ts->input);  in gsl_ts_early_suspend()
1461 	report_data(ts, 1, 1, 10, 1);  in gsl_ts_early_suspend()
1462 	input_sync(ts->input);  in gsl_ts_early_suspend()
1464 	gslX680_shutdown_low(ts);  in gsl_ts_early_suspend()
1471 	struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);  in gsl_ts_late_resume()  local
1476 	gslX680_shutdown_high(ts);  in gsl_ts_late_resume()
1478 	reset_chip(ts->client);  in gsl_ts_late_resume()
1479 	startup_chip(ts->client);  in gsl_ts_late_resume()
1480 	check_mem_data(ts->client, ts);  in gsl_ts_late_resume()
1485 		input_mt_slot(ts->input, i);  in gsl_ts_late_resume()
1486 		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);  in gsl_ts_late_resume()
1487 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);  in gsl_ts_late_resume()
1490 	input_mt_sync(ts->input);  in gsl_ts_late_resume()
1492 	input_sync(ts->input);  in gsl_ts_late_resume()
1496 	queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 300);  in gsl_ts_late_resume()
1498 	glsx680_ts_irq_enable(ts);  in gsl_ts_late_resume()
1502 static void gsl_ts_power_on(struct gsl_ts *ts, bool enable)  in gsl_ts_power_on()  argument
1507 		ret = regulator_enable(ts->regulator);  in gsl_ts_power_on()
1509 			dev_err(&ts->client->dev,  in gsl_ts_power_on()
1513 		ret = regulator_disable(ts->regulator);  in gsl_ts_power_on()
1515 			dev_err(&ts->client->dev,  in gsl_ts_power_on()
1524 	struct gsl_ts *ts;  in gsl_ts_probe()  local
1532 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in gsl_ts_probe()
1533 	if (!ts)  in gsl_ts_probe()
1538 	ts->regulator = devm_regulator_get_optional(&client->dev, "power");  in gsl_ts_probe()
1539 	if (IS_ERR(ts->regulator)) {  in gsl_ts_probe()
1540 		if (PTR_ERR(ts->regulator) == -EPROBE_DEFER)  in gsl_ts_probe()
1543 		ts->regulator = NULL;  in gsl_ts_probe()
1545 		gsl_ts_power_on(ts, true);  in gsl_ts_probe()
1548 	ts->tp.tp_suspend = gsl_ts_early_suspend;  in gsl_ts_probe()
1549 	ts->tp.tp_resume = gsl_ts_late_resume;  in gsl_ts_probe()
1550 	tp_register_fb(&ts->tp);  in gsl_ts_probe()
1551 	ts->client = client;  in gsl_ts_probe()
1552 	i2c_set_clientdata(client, ts);  in gsl_ts_probe()
1553 	/* ts->device_id = id->driver_data; */  in gsl_ts_probe()
1555 	gslX680_init(ts);  in gsl_ts_probe()
1556 	rc = gslX680_ts_init(client, ts);  in gsl_ts_probe()
1562 	init_chip(ts->client, ts);  in gsl_ts_probe()
1563 	check_mem_data(ts->client, ts);  in gsl_ts_probe()
1564 	spin_lock_init(&ts->irq_lock);  in gsl_ts_probe()
1565 	client->irq = gpio_to_irq(ts->irq);  in gsl_ts_probe()
1567 			 client->name, ts);  in gsl_ts_probe()
1572 	glsx680_ts_irq_enable(ts);  in gsl_ts_probe()
1576 	ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;  in gsl_ts_probe()
1577 	ts->early_suspend.suspend = gsl_ts_early_suspend;  in gsl_ts_probe()
1578 	ts->early_suspend.resume = gsl_ts_late_resume;  in gsl_ts_probe()
1579 	register_early_suspend(&ts->early_suspend);  in gsl_ts_probe()
1584 	INIT_DELAYED_WORK(&ts->gsl_monitor_work, gsl_monitor_worker);  in gsl_ts_probe()
1587 	queue_delayed_work(gsl_monitor_workqueue, &ts->gsl_monitor_work, 1000);  in gsl_ts_probe()
1592 	INIT_WORK(&ts->click_work, click_timer_worker);  in gsl_ts_probe()
1594 	queue_work(gsl_timer_workqueue, &ts->click_work);  in gsl_ts_probe()
1612 	struct gsl_ts *ts = i2c_get_clientdata(client);  in gsl_ts_remove()  local
1615 	unregister_early_suspend(&ts->early_suspend);  in gsl_ts_remove()
1619 	cancel_delayed_work_sync(&ts->gsl_monitor_work);  in gsl_ts_remove()
1624 	cancel_work_sync(&ts->click_work);  in gsl_ts_remove()
1629 	cancel_work_sync(&ts->work);  in gsl_ts_remove()
1630 	free_irq(ts->client->irq, ts);  in gsl_ts_remove()
1631 	destroy_workqueue(ts->wq);  in gsl_ts_remove()
1632 	gsl_ts_power_on(ts, false);  in gsl_ts_remove()