149 static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_check_crc()  argument
159 		dev_err_ratelimited(&tsdata->client->dev,  in edt_ft5x06_ts_check_crc()
170 	struct edt_ft5x06_ts_data *tsdata = dev_id;  in edt_ft5x06_ts_isr()  local
171 	struct device *dev = &tsdata->client->dev;  in edt_ft5x06_ts_isr()
178 	switch (tsdata->version) {  in edt_ft5x06_ts_isr()
199 	error = edt_ft5x06_ts_readwrite(tsdata->client,  in edt_ft5x06_ts_isr()
209 	if (tsdata->version == M06) {  in edt_ft5x06_ts_isr()
218 		if (!edt_ft5x06_ts_check_crc(tsdata, rdbuf, datalen))  in edt_ft5x06_ts_isr()
232 		if (tsdata->version == M06 && type == TOUCH_EVENT_DOWN)  in edt_ft5x06_ts_isr()
240 		input_mt_slot(tsdata->input, id);  in edt_ft5x06_ts_isr()
241 		input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER, down);  in edt_ft5x06_ts_isr()
246 		input_report_abs(tsdata->input, ABS_MT_POSITION_X, x);  in edt_ft5x06_ts_isr()
247 		input_report_abs(tsdata->input, ABS_MT_POSITION_Y, y);  in edt_ft5x06_ts_isr()
250 	input_mt_report_pointer_emulation(tsdata->input, true);  in edt_ft5x06_ts_isr()
251 	input_sync(tsdata->input);  in edt_ft5x06_ts_isr()
257 static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_register_write()  argument
262 	switch (tsdata->version) {  in edt_ft5x06_register_write()
264 		wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;  in edt_ft5x06_register_write()
265 		wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;  in edt_ft5x06_register_write()
268 		return edt_ft5x06_ts_readwrite(tsdata->client, 4,  in edt_ft5x06_register_write()
274 		return edt_ft5x06_ts_readwrite(tsdata->client, 2,  in edt_ft5x06_register_write()
282 static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_register_read()  argument
288 	switch (tsdata->version) {  in edt_ft5x06_register_read()
290 		wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;  in edt_ft5x06_register_read()
291 		wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;  in edt_ft5x06_register_read()
292 		wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40;  in edt_ft5x06_register_read()
294 		error = edt_ft5x06_ts_readwrite(tsdata->client, 2, wrbuf, 2,  in edt_ft5x06_register_read()
300 			dev_err(&tsdata->client->dev,  in edt_ft5x06_register_read()
310 		error = edt_ft5x06_ts_readwrite(tsdata->client, 1,  in edt_ft5x06_register_read()
350 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_setting_show()  local
353 	u8 *field = (u8 *)tsdata + attr->field_offset;  in edt_ft5x06_setting_show()
359 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_setting_show()
361 	if (tsdata->factory_mode) {  in edt_ft5x06_setting_show()
366 	switch (tsdata->version) {  in edt_ft5x06_setting_show()
381 		val = edt_ft5x06_register_read(tsdata, addr);  in edt_ft5x06_setting_show()
384 			dev_err(&tsdata->client->dev,  in edt_ft5x06_setting_show()
394 		dev_warn(&tsdata->client->dev,  in edt_ft5x06_setting_show()
402 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_setting_show()
411 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_setting_store()  local
414 	u8 *field = (u8 *)tsdata + attr->field_offset;  in edt_ft5x06_setting_store()
419 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_setting_store()
421 	if (tsdata->factory_mode) {  in edt_ft5x06_setting_store()
435 	switch (tsdata->version) {  in edt_ft5x06_setting_store()
450 		error = edt_ft5x06_register_write(tsdata, addr, val);  in edt_ft5x06_setting_store()
452 			dev_err(&tsdata->client->dev,  in edt_ft5x06_setting_store()
461 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_setting_store()
487 static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_factory_mode()  argument
489 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_factory_mode()
496 	if (!tsdata->raw_buffer) {  in edt_ft5x06_factory_mode()
497 		tsdata->raw_bufsize = tsdata->num_x * tsdata->num_y *  in edt_ft5x06_factory_mode()
499 		tsdata->raw_buffer = kzalloc(tsdata->raw_bufsize, GFP_KERNEL);  in edt_ft5x06_factory_mode()
500 		if (!tsdata->raw_buffer) {  in edt_ft5x06_factory_mode()
507 	if (tsdata->version == M09)  in edt_ft5x06_factory_mode()
510 	error = edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03);  in edt_ft5x06_factory_mode()
517 	tsdata->factory_mode = true;  in edt_ft5x06_factory_mode()
521 		ret = edt_ft5x06_register_read(tsdata, FACTORY_REGISTER_OPMODE);  in edt_ft5x06_factory_mode()
536 	kfree(tsdata->raw_buffer);  in edt_ft5x06_factory_mode()
537 	tsdata->raw_buffer = NULL;  in edt_ft5x06_factory_mode()
538 	tsdata->factory_mode = false;  in edt_ft5x06_factory_mode()
549 static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_work_mode()  argument
551 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_work_mode()
553 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_work_mode()
558 	error = edt_ft5x06_register_write(tsdata, FACTORY_REGISTER_OPMODE, 0x1);  in edt_ft5x06_work_mode()
565 	tsdata->factory_mode = false;  in edt_ft5x06_work_mode()
570 		ret = edt_ft5x06_register_read(tsdata, WORK_REGISTER_OPMODE);  in edt_ft5x06_work_mode()
578 		tsdata->factory_mode = true;  in edt_ft5x06_work_mode()
582 	kfree(tsdata->raw_buffer);  in edt_ft5x06_work_mode()
583 	tsdata->raw_buffer = NULL;  in edt_ft5x06_work_mode()
586 	edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold,  in edt_ft5x06_work_mode()
587 				  tsdata->threshold);  in edt_ft5x06_work_mode()
588 	edt_ft5x06_register_write(tsdata, reg_addr->reg_gain,  in edt_ft5x06_work_mode()
589 				  tsdata->gain);  in edt_ft5x06_work_mode()
590 	edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,  in edt_ft5x06_work_mode()
591 				  tsdata->offset);  in edt_ft5x06_work_mode()
593 		edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate,  in edt_ft5x06_work_mode()
594 				  tsdata->report_rate);  in edt_ft5x06_work_mode()
603 	struct edt_ft5x06_ts_data *tsdata = data;  in edt_ft5x06_debugfs_mode_get()  local
605 	*mode = tsdata->factory_mode;  in edt_ft5x06_debugfs_mode_get()
612 	struct edt_ft5x06_ts_data *tsdata = data;  in edt_ft5x06_debugfs_mode_set()  local
618 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_debugfs_mode_set()
620 	if (mode != tsdata->factory_mode) {  in edt_ft5x06_debugfs_mode_set()
621 		retval = mode ? edt_ft5x06_factory_mode(tsdata) :  in edt_ft5x06_debugfs_mode_set()
622 				edt_ft5x06_work_mode(tsdata);  in edt_ft5x06_debugfs_mode_set()
625 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_debugfs_mode_set()
636 	struct edt_ft5x06_ts_data *tsdata = file->private_data;  in edt_ft5x06_debugfs_raw_data_read()  local
637 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_debugfs_raw_data_read()
645 	if (*off < 0 || *off >= tsdata->raw_bufsize)  in edt_ft5x06_debugfs_raw_data_read()
648 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_debugfs_raw_data_read()
650 	if (!tsdata->factory_mode || !tsdata->raw_buffer) {  in edt_ft5x06_debugfs_raw_data_read()
655 	error = edt_ft5x06_register_write(tsdata, 0x08, 0x01);  in edt_ft5x06_debugfs_raw_data_read()
664 		val = edt_ft5x06_register_read(tsdata, 0x08);  in edt_ft5x06_debugfs_raw_data_read()
683 	rdbuf = tsdata->raw_buffer;  in edt_ft5x06_debugfs_raw_data_read()
684 	colbytes = tsdata->num_y * sizeof(u16);  in edt_ft5x06_debugfs_raw_data_read()
688 	for (i = 0; i < tsdata->num_x; i++) {  in edt_ft5x06_debugfs_raw_data_read()
690 		error = edt_ft5x06_ts_readwrite(tsdata->client,  in edt_ft5x06_debugfs_raw_data_read()
699 	read = min_t(size_t, count, tsdata->raw_bufsize - *off);  in edt_ft5x06_debugfs_raw_data_read()
700 	if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) {  in edt_ft5x06_debugfs_raw_data_read()
707 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_debugfs_raw_data_read()
717 edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_prepare_debugfs()  argument
720 	tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL);  in edt_ft5x06_ts_prepare_debugfs()
721 	if (!tsdata->debug_dir)  in edt_ft5x06_ts_prepare_debugfs()
724 	debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x);  in edt_ft5x06_ts_prepare_debugfs()
725 	debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y);  in edt_ft5x06_ts_prepare_debugfs()
728 			    tsdata->debug_dir, tsdata, &debugfs_mode_fops);  in edt_ft5x06_ts_prepare_debugfs()
730 			    tsdata->debug_dir, tsdata, &debugfs_raw_data_fops);  in edt_ft5x06_ts_prepare_debugfs()
734 edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_teardown_debugfs()  argument
736 	debugfs_remove_recursive(tsdata->debug_dir);  in edt_ft5x06_ts_teardown_debugfs()
737 	kfree(tsdata->raw_buffer);  in edt_ft5x06_ts_teardown_debugfs()
743 edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_prepare_debugfs()  argument
749 edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_teardown_debugfs()  argument
756 			struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_reset()  argument
760 	if (gpio_is_valid(tsdata->wake_pin)) {  in edt_ft5x06_ts_reset()
762 					tsdata->wake_pin, GPIOF_OUT_INIT_LOW,  in edt_ft5x06_ts_reset()
767 				tsdata->wake_pin, error);  in edt_ft5x06_ts_reset()
772 		gpio_set_value(tsdata->wake_pin, 1);  in edt_ft5x06_ts_reset()
774 	if (gpio_is_valid(tsdata->reset_pin)) {  in edt_ft5x06_ts_reset()
777 					tsdata->reset_pin, GPIOF_OUT_INIT_LOW,  in edt_ft5x06_ts_reset()
782 				tsdata->reset_pin, error);  in edt_ft5x06_ts_reset()
787 		gpio_set_value(tsdata->reset_pin, 1);  in edt_ft5x06_ts_reset()
795 					struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_identify()  argument
801 	char *model_name = tsdata->name;  in edt_ft5x06_ts_identify()
817 		tsdata->version = M06;  in edt_ft5x06_ts_identify()
832 		tsdata->version = M09;  in edt_ft5x06_ts_identify()
857 		edt_ft5x06_register_write(tsdata, reg, pdata->name);	\
863 		edt_ft5x06_register_write(tsdata, reg, val);	\
867 					struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_get_dt_defaults()  argument
869 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_get_dt_defaults()
877 edt_ft5x06_ts_get_defaults(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_get_defaults()  argument
880 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_get_defaults()
894 edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_get_parameters()  argument
896 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_get_parameters()
898 	tsdata->threshold = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
900 	tsdata->gain = edt_ft5x06_register_read(tsdata, reg_addr->reg_gain);  in edt_ft5x06_ts_get_parameters()
901 	tsdata->offset = edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);  in edt_ft5x06_ts_get_parameters()
903 		tsdata->report_rate = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
905 	tsdata->num_x = edt_ft5x06_register_read(tsdata, reg_addr->reg_num_x);  in edt_ft5x06_ts_get_parameters()
906 	tsdata->num_y = edt_ft5x06_register_read(tsdata, reg_addr->reg_num_y);  in edt_ft5x06_ts_get_parameters()
910 edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_set_regs()  argument
912 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_set_regs()
914 	switch (tsdata->version) {  in edt_ft5x06_ts_set_regs()
936 				struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_i2c_ts_probe_dt()  argument
944 	tsdata->irq_pin = -EINVAL;  in edt_ft5x06_i2c_ts_probe_dt()
945 	tsdata->reset_pin = of_get_named_gpio(np, "reset-gpios", 0);  in edt_ft5x06_i2c_ts_probe_dt()
946 	tsdata->wake_pin = of_get_named_gpio(np, "wake-gpios", 0);  in edt_ft5x06_i2c_ts_probe_dt()
952 					struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_i2c_ts_probe_dt()  argument
963 	struct edt_ft5x06_ts_data *tsdata;  in edt_ft5x06_ts_probe()  local
970 	tsdata = devm_kzalloc(&client->dev, sizeof(*tsdata), GFP_KERNEL);  in edt_ft5x06_ts_probe()
971 	if (!tsdata) {  in edt_ft5x06_ts_probe()
977 		error = edt_ft5x06_i2c_ts_probe_dt(&client->dev, tsdata);  in edt_ft5x06_ts_probe()
984 		tsdata->reset_pin = pdata->reset_pin;  in edt_ft5x06_ts_probe()
985 		tsdata->irq_pin = pdata->irq_pin;  in edt_ft5x06_ts_probe()
986 		tsdata->wake_pin = -EINVAL;  in edt_ft5x06_ts_probe()
989 	error = edt_ft5x06_ts_reset(client, tsdata);  in edt_ft5x06_ts_probe()
993 	if (gpio_is_valid(tsdata->irq_pin)) {  in edt_ft5x06_ts_probe()
994 		error = devm_gpio_request_one(&client->dev, tsdata->irq_pin,  in edt_ft5x06_ts_probe()
999 				tsdata->irq_pin, error);  in edt_ft5x06_ts_probe()
1010 	mutex_init(&tsdata->mutex);  in edt_ft5x06_ts_probe()
1011 	tsdata->client = client;  in edt_ft5x06_ts_probe()
1012 	tsdata->input = input;  in edt_ft5x06_ts_probe()
1013 	tsdata->factory_mode = false;  in edt_ft5x06_ts_probe()
1015 	error = edt_ft5x06_ts_identify(client, tsdata, fw_version);  in edt_ft5x06_ts_probe()
1021 	edt_ft5x06_ts_set_regs(tsdata);  in edt_ft5x06_ts_probe()
1024 		edt_ft5x06_ts_get_dt_defaults(client->dev.of_node, tsdata);  in edt_ft5x06_ts_probe()
1026 		edt_ft5x06_ts_get_defaults(tsdata, pdata);  in edt_ft5x06_ts_probe()
1028 	edt_ft5x06_ts_get_parameters(tsdata);  in edt_ft5x06_ts_probe()
1032 		tsdata->name, fw_version, tsdata->num_x, tsdata->num_y);  in edt_ft5x06_ts_probe()
1034 	input->name = tsdata->name;  in edt_ft5x06_ts_probe()
1041 	input_set_abs_params(input, ABS_X, 0, tsdata->num_x * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1042 	input_set_abs_params(input, ABS_Y, 0, tsdata->num_y * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1044 			     0, tsdata->num_x * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1046 			     0, tsdata->num_y * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1057 	input_set_drvdata(input, tsdata);  in edt_ft5x06_ts_probe()
1058 	i2c_set_clientdata(client, tsdata);  in edt_ft5x06_ts_probe()
1063 					client->name, tsdata);  in edt_ft5x06_ts_probe()
1077 	edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));  in edt_ft5x06_ts_probe()
1082 		client->irq, tsdata->wake_pin, tsdata->reset_pin);  in edt_ft5x06_ts_probe()
1093 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_ts_remove()  local
1095 	edt_ft5x06_ts_teardown_debugfs(tsdata);  in edt_ft5x06_ts_remove()