82 static bool hycon_hy46xx_check_checksum(struct hycon_hy46xx_data *tsdata, u8 *buf)  in hycon_hy46xx_check_checksum()  argument
93 	dev_err_ratelimited(&tsdata->client->dev,  in hycon_hy46xx_check_checksum()
102 	struct hycon_hy46xx_data *tsdata = dev_id;  in hycon_hy46xx_isr()  local
103 	struct device *dev = &tsdata->client->dev;  in hycon_hy46xx_isr()
110 	error = regmap_bulk_read(tsdata->regmap, 0, rdbuf, sizeof(rdbuf));  in hycon_hy46xx_isr()
117 	if (!hycon_hy46xx_check_checksum(tsdata, rdbuf))  in hycon_hy46xx_isr()
132 		input_mt_slot(tsdata->input, id);  in hycon_hy46xx_isr()
133 		if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER,  in hycon_hy46xx_isr()
135 			touchscreen_report_pos(tsdata->input, &tsdata->prop,  in hycon_hy46xx_isr()
139 	input_mt_report_pointer_emulation(tsdata->input, false);  in hycon_hy46xx_isr()
140 	input_sync(tsdata->input);  in hycon_hy46xx_isr()
180 	struct hycon_hy46xx_data *tsdata = i2c_get_clientdata(client);  in hycon_hy46xx_setting_show()  local
183 	u8 *field = (u8 *)tsdata + attr->field_offset;  in hycon_hy46xx_setting_show()
188 	mutex_lock(&tsdata->mutex);  in hycon_hy46xx_setting_show()
190 	error = regmap_read(tsdata->regmap, attr->address, &val);  in hycon_hy46xx_setting_show()
192 		dev_err(&tsdata->client->dev,  in hycon_hy46xx_setting_show()
199 		dev_warn(&tsdata->client->dev,  in hycon_hy46xx_setting_show()
208 	mutex_unlock(&tsdata->mutex);  in hycon_hy46xx_setting_show()
217 	struct hycon_hy46xx_data *tsdata = i2c_get_clientdata(client);  in hycon_hy46xx_setting_store()  local
220 	u8 *field = (u8 *)tsdata + attr->field_offset;  in hycon_hy46xx_setting_store()
224 	mutex_lock(&tsdata->mutex);  in hycon_hy46xx_setting_store()
235 	error = regmap_write(tsdata->regmap, attr->address, val);  in hycon_hy46xx_setting_store()
237 		dev_err(&tsdata->client->dev,  in hycon_hy46xx_setting_store()
245 	mutex_unlock(&tsdata->mutex);  in hycon_hy46xx_setting_store()
282 static void hycon_hy46xx_get_defaults(struct device *dev, struct hycon_hy46xx_data *tsdata)  in hycon_hy46xx_get_defaults()  argument
290 		error = regmap_write(tsdata->regmap, HY46XX_THRESHOLD, val);  in hycon_hy46xx_get_defaults()
294 		tsdata->threshold = val;  in hycon_hy46xx_get_defaults()
298 	error = regmap_write(tsdata->regmap, HY46XX_GLOVE_EN, val_bool);  in hycon_hy46xx_get_defaults()
301 	tsdata->glove_enable = val_bool;  in hycon_hy46xx_get_defaults()
305 		error = regmap_write(tsdata->regmap, HY46XX_REPORT_SPEED, val);  in hycon_hy46xx_get_defaults()
309 		tsdata->report_speed = val;  in hycon_hy46xx_get_defaults()
313 	error = regmap_write(tsdata->regmap, HY46XX_PWR_NOISE_EN, val_bool);  in hycon_hy46xx_get_defaults()
316 	tsdata->noise_filter_enable = val_bool;  in hycon_hy46xx_get_defaults()
320 		error = regmap_write(tsdata->regmap, HY46XX_FILTER_DATA, val);  in hycon_hy46xx_get_defaults()
324 		tsdata->filter_data = val;  in hycon_hy46xx_get_defaults()
329 		error = regmap_write(tsdata->regmap, HY46XX_GAIN, val);  in hycon_hy46xx_get_defaults()
333 		tsdata->gain = val;  in hycon_hy46xx_get_defaults()
338 		error = regmap_write(tsdata->regmap, HY46XX_EDGE_OFFSET, val);  in hycon_hy46xx_get_defaults()
342 		tsdata->edge_offset = val;  in hycon_hy46xx_get_defaults()
347 	dev_err(&tsdata->client->dev, "Failed to set default settings");  in hycon_hy46xx_get_defaults()
350 static void hycon_hy46xx_get_parameters(struct hycon_hy46xx_data *tsdata)  in hycon_hy46xx_get_parameters()  argument
355 	error = regmap_read(tsdata->regmap, HY46XX_THRESHOLD, &val);  in hycon_hy46xx_get_parameters()
358 	tsdata->threshold = val;  in hycon_hy46xx_get_parameters()
360 	error = regmap_read(tsdata->regmap, HY46XX_GLOVE_EN, &val);  in hycon_hy46xx_get_parameters()
363 	tsdata->glove_enable = val;  in hycon_hy46xx_get_parameters()
365 	error = regmap_read(tsdata->regmap, HY46XX_REPORT_SPEED, &val);  in hycon_hy46xx_get_parameters()
368 	tsdata->report_speed = val;  in hycon_hy46xx_get_parameters()
370 	error = regmap_read(tsdata->regmap, HY46XX_PWR_NOISE_EN, &val);  in hycon_hy46xx_get_parameters()
373 	tsdata->noise_filter_enable = val;  in hycon_hy46xx_get_parameters()
375 	error = regmap_read(tsdata->regmap, HY46XX_FILTER_DATA, &val);  in hycon_hy46xx_get_parameters()
378 	tsdata->filter_data = val;  in hycon_hy46xx_get_parameters()
380 	error = regmap_read(tsdata->regmap, HY46XX_GAIN, &val);  in hycon_hy46xx_get_parameters()
383 	tsdata->gain = val;  in hycon_hy46xx_get_parameters()
385 	error = regmap_read(tsdata->regmap, HY46XX_EDGE_OFFSET, &val);  in hycon_hy46xx_get_parameters()
388 	tsdata->edge_offset = val;  in hycon_hy46xx_get_parameters()
390 	error = regmap_read(tsdata->regmap, HY46XX_RX_NR_USED, &val);  in hycon_hy46xx_get_parameters()
393 	tsdata->rx_number_used = val;  in hycon_hy46xx_get_parameters()
395 	error = regmap_read(tsdata->regmap, HY46XX_TX_NR_USED, &val);  in hycon_hy46xx_get_parameters()
398 	tsdata->tx_number_used = val;  in hycon_hy46xx_get_parameters()
400 	error = regmap_read(tsdata->regmap, HY46XX_PWR_MODE, &val);  in hycon_hy46xx_get_parameters()
403 	tsdata->power_mode = val;  in hycon_hy46xx_get_parameters()
405 	error = regmap_read(tsdata->regmap, HY46XX_FW_VERSION, &val);  in hycon_hy46xx_get_parameters()
408 	tsdata->fw_version = val;  in hycon_hy46xx_get_parameters()
410 	error = regmap_read(tsdata->regmap, HY46XX_LIB_VERSION, &val);  in hycon_hy46xx_get_parameters()
413 	tsdata->lib_version = val;  in hycon_hy46xx_get_parameters()
415 	error = regmap_read(tsdata->regmap, HY46XX_TP_INFO, &val);  in hycon_hy46xx_get_parameters()
418 	tsdata->tp_information = val;  in hycon_hy46xx_get_parameters()
420 	error = regmap_read(tsdata->regmap, HY46XX_TP_CHIP_ID, &val);  in hycon_hy46xx_get_parameters()
423 	tsdata->tp_chip_id = val;  in hycon_hy46xx_get_parameters()
425 	error = regmap_read(tsdata->regmap, HY46XX_BOOT_VER, &val);  in hycon_hy46xx_get_parameters()
428 	tsdata->bootloader_version = val;  in hycon_hy46xx_get_parameters()
432 	dev_err(&tsdata->client->dev, "Failed to read default settings");  in hycon_hy46xx_get_parameters()
445 	struct hycon_hy46xx_data *tsdata;  in hycon_hy46xx_probe()  local
451 	tsdata = devm_kzalloc(&client->dev, sizeof(*tsdata), GFP_KERNEL);  in hycon_hy46xx_probe()
452 	if (!tsdata)  in hycon_hy46xx_probe()
455 	tsdata->vcc = devm_regulator_get(&client->dev, "vcc");  in hycon_hy46xx_probe()
456 	if (IS_ERR(tsdata->vcc)) {  in hycon_hy46xx_probe()
457 		error = PTR_ERR(tsdata->vcc);  in hycon_hy46xx_probe()
464 	error = regulator_enable(tsdata->vcc);  in hycon_hy46xx_probe()
472 					 tsdata);  in hycon_hy46xx_probe()
476 	tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev,  in hycon_hy46xx_probe()
478 	if (IS_ERR(tsdata->reset_gpio)) {  in hycon_hy46xx_probe()
479 		error = PTR_ERR(tsdata->reset_gpio);  in hycon_hy46xx_probe()
485 	if (tsdata->reset_gpio) {  in hycon_hy46xx_probe()
487 		gpiod_set_value_cansleep(tsdata->reset_gpio, 1);  in hycon_hy46xx_probe()
489 		gpiod_set_value_cansleep(tsdata->reset_gpio, 0);  in hycon_hy46xx_probe()
499 	mutex_init(&tsdata->mutex);  in hycon_hy46xx_probe()
500 	tsdata->client = client;  in hycon_hy46xx_probe()
501 	tsdata->input = input;  in hycon_hy46xx_probe()
503 	tsdata->regmap = devm_regmap_init_i2c(client,  in hycon_hy46xx_probe()
505 	if (IS_ERR(tsdata->regmap)) {  in hycon_hy46xx_probe()
507 		return PTR_ERR(tsdata->regmap);  in hycon_hy46xx_probe()
510 	hycon_hy46xx_get_defaults(&client->dev, tsdata);  in hycon_hy46xx_probe()
511 	hycon_hy46xx_get_parameters(tsdata);  in hycon_hy46xx_probe()
520 	touchscreen_parse_properties(input, true, &tsdata->prop);  in hycon_hy46xx_probe()
529 	i2c_set_clientdata(client, tsdata);  in hycon_hy46xx_probe()
533 					  client->name, tsdata);  in hycon_hy46xx_probe()
550 		tsdata->reset_gpio ? desc_to_gpio(tsdata->reset_gpio) : -1);  in hycon_hy46xx_probe()