153 static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_check_crc()  argument
163 		dev_err_ratelimited(&tsdata->client->dev,  in edt_ft5x06_ts_check_crc()
174 	struct edt_ft5x06_ts_data *tsdata = dev_id;  in edt_ft5x06_ts_isr()  local
175 	struct device *dev = &tsdata->client->dev;  in edt_ft5x06_ts_isr()
182 	switch (tsdata->version) {  in edt_ft5x06_ts_isr()
205 	datalen = tplen * tsdata->max_support_points + offset + crclen;  in edt_ft5x06_ts_isr()
207 	error = edt_ft5x06_ts_readwrite(tsdata->client,  in edt_ft5x06_ts_isr()
217 	if (tsdata->version == EDT_M06) {  in edt_ft5x06_ts_isr()
226 		if (!edt_ft5x06_ts_check_crc(tsdata, rdbuf, datalen))  in edt_ft5x06_ts_isr()
230 	for (i = 0; i < tsdata->max_support_points; i++) {  in edt_ft5x06_ts_isr()
239 		if (tsdata->version == EDT_M06 && type == TOUCH_EVENT_DOWN)  in edt_ft5x06_ts_isr()
245 		if (tsdata->version == EV_FT)  in edt_ft5x06_ts_isr()
250 		input_mt_slot(tsdata->input, id);  in edt_ft5x06_ts_isr()
251 		if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER,  in edt_ft5x06_ts_isr()
253 			touchscreen_report_pos(tsdata->input, &tsdata->prop,  in edt_ft5x06_ts_isr()
257 	input_mt_report_pointer_emulation(tsdata->input, true);  in edt_ft5x06_ts_isr()
258 	input_sync(tsdata->input);  in edt_ft5x06_ts_isr()
264 static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_register_write()  argument
269 	switch (tsdata->version) {  in edt_ft5x06_register_write()
271 		wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;  in edt_ft5x06_register_write()
272 		wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;  in edt_ft5x06_register_write()
275 		return edt_ft5x06_ts_readwrite(tsdata->client, 4,  in edt_ft5x06_register_write()
285 		return edt_ft5x06_ts_readwrite(tsdata->client, 2,  in edt_ft5x06_register_write()
293 static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_register_read()  argument
299 	switch (tsdata->version) {  in edt_ft5x06_register_read()
301 		wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;  in edt_ft5x06_register_read()
302 		wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;  in edt_ft5x06_register_read()
303 		wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40;  in edt_ft5x06_register_read()
305 		error = edt_ft5x06_ts_readwrite(tsdata->client, 2, wrbuf, 2,  in edt_ft5x06_register_read()
311 			dev_err(&tsdata->client->dev,  in edt_ft5x06_register_read()
325 		error = edt_ft5x06_ts_readwrite(tsdata->client, 1,  in edt_ft5x06_register_read()
367 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_setting_show()  local
370 	u8 *field = (u8 *)tsdata + attr->field_offset;  in edt_ft5x06_setting_show()
376 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_setting_show()
378 	if (tsdata->factory_mode) {  in edt_ft5x06_setting_show()
383 	switch (tsdata->version) {  in edt_ft5x06_setting_show()
404 		val = edt_ft5x06_register_read(tsdata, addr);  in edt_ft5x06_setting_show()
407 			dev_err(&tsdata->client->dev,  in edt_ft5x06_setting_show()
417 		dev_warn(&tsdata->client->dev,  in edt_ft5x06_setting_show()
425 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_setting_show()
434 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_setting_store()  local
437 	u8 *field = (u8 *)tsdata + attr->field_offset;  in edt_ft5x06_setting_store()
442 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_setting_store()
444 	if (tsdata->factory_mode) {  in edt_ft5x06_setting_store()
458 	switch (tsdata->version) {  in edt_ft5x06_setting_store()
479 		error = edt_ft5x06_register_write(tsdata, addr, val);  in edt_ft5x06_setting_store()
481 			dev_err(&tsdata->client->dev,  in edt_ft5x06_setting_store()
490 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_setting_store()
528 static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_factory_mode()  argument
530 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_factory_mode()
535 	if (tsdata->version != EDT_M06) {  in edt_ft5x06_factory_mode()
543 	if (!tsdata->raw_buffer) {  in edt_ft5x06_factory_mode()
544 		tsdata->raw_bufsize = tsdata->num_x * tsdata->num_y *  in edt_ft5x06_factory_mode()
546 		tsdata->raw_buffer = kzalloc(tsdata->raw_bufsize, GFP_KERNEL);  in edt_ft5x06_factory_mode()
547 		if (!tsdata->raw_buffer) {  in edt_ft5x06_factory_mode()
554 	error = edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03);  in edt_ft5x06_factory_mode()
561 	tsdata->factory_mode = true;  in edt_ft5x06_factory_mode()
565 		ret = edt_ft5x06_register_read(tsdata, FACTORY_REGISTER_OPMODE);  in edt_ft5x06_factory_mode()
580 	kfree(tsdata->raw_buffer);  in edt_ft5x06_factory_mode()
581 	tsdata->raw_buffer = NULL;  in edt_ft5x06_factory_mode()
582 	tsdata->factory_mode = false;  in edt_ft5x06_factory_mode()
588 static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_work_mode()  argument
590 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_work_mode()
592 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_work_mode()
597 	error = edt_ft5x06_register_write(tsdata, FACTORY_REGISTER_OPMODE, 0x1);  in edt_ft5x06_work_mode()
604 	tsdata->factory_mode = false;  in edt_ft5x06_work_mode()
609 		ret = edt_ft5x06_register_read(tsdata, WORK_REGISTER_OPMODE);  in edt_ft5x06_work_mode()
617 		tsdata->factory_mode = true;  in edt_ft5x06_work_mode()
621 	kfree(tsdata->raw_buffer);  in edt_ft5x06_work_mode()
622 	tsdata->raw_buffer = NULL;  in edt_ft5x06_work_mode()
625 	edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold,  in edt_ft5x06_work_mode()
626 				  tsdata->threshold);  in edt_ft5x06_work_mode()
627 	edt_ft5x06_register_write(tsdata, reg_addr->reg_gain,  in edt_ft5x06_work_mode()
628 				  tsdata->gain);  in edt_ft5x06_work_mode()
630 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,  in edt_ft5x06_work_mode()
631 					  tsdata->offset);  in edt_ft5x06_work_mode()
633 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x,  in edt_ft5x06_work_mode()
634 					  tsdata->offset_x);  in edt_ft5x06_work_mode()
636 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y,  in edt_ft5x06_work_mode()
637 					  tsdata->offset_y);  in edt_ft5x06_work_mode()
639 		edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate,  in edt_ft5x06_work_mode()
640 				  tsdata->report_rate);  in edt_ft5x06_work_mode()
649 	struct edt_ft5x06_ts_data *tsdata = data;  in edt_ft5x06_debugfs_mode_get()  local
651 	*mode = tsdata->factory_mode;  in edt_ft5x06_debugfs_mode_get()
658 	struct edt_ft5x06_ts_data *tsdata = data;  in edt_ft5x06_debugfs_mode_set()  local
664 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_debugfs_mode_set()
666 	if (mode != tsdata->factory_mode) {  in edt_ft5x06_debugfs_mode_set()
667 		retval = mode ? edt_ft5x06_factory_mode(tsdata) :  in edt_ft5x06_debugfs_mode_set()
668 				edt_ft5x06_work_mode(tsdata);  in edt_ft5x06_debugfs_mode_set()
671 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_debugfs_mode_set()
682 	struct edt_ft5x06_ts_data *tsdata = file->private_data;  in edt_ft5x06_debugfs_raw_data_read()  local
683 	struct i2c_client *client = tsdata->client;  in edt_ft5x06_debugfs_raw_data_read()
691 	if (*off < 0 || *off >= tsdata->raw_bufsize)  in edt_ft5x06_debugfs_raw_data_read()
694 	mutex_lock(&tsdata->mutex);  in edt_ft5x06_debugfs_raw_data_read()
696 	if (!tsdata->factory_mode || !tsdata->raw_buffer) {  in edt_ft5x06_debugfs_raw_data_read()
701 	error = edt_ft5x06_register_write(tsdata, 0x08, 0x01);  in edt_ft5x06_debugfs_raw_data_read()
710 		val = edt_ft5x06_register_read(tsdata, 0x08);  in edt_ft5x06_debugfs_raw_data_read()
729 	rdbuf = tsdata->raw_buffer;  in edt_ft5x06_debugfs_raw_data_read()
730 	colbytes = tsdata->num_y * sizeof(u16);  in edt_ft5x06_debugfs_raw_data_read()
734 	for (i = 0; i < tsdata->num_x; i++) {  in edt_ft5x06_debugfs_raw_data_read()
736 		error = edt_ft5x06_ts_readwrite(tsdata->client,  in edt_ft5x06_debugfs_raw_data_read()
745 	read = min_t(size_t, count, tsdata->raw_bufsize - *off);  in edt_ft5x06_debugfs_raw_data_read()
746 	if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) {  in edt_ft5x06_debugfs_raw_data_read()
753 	mutex_unlock(&tsdata->mutex);  in edt_ft5x06_debugfs_raw_data_read()
763 edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_prepare_debugfs()  argument
766 	tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL);  in edt_ft5x06_ts_prepare_debugfs()
768 	debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x);  in edt_ft5x06_ts_prepare_debugfs()
769 	debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y);  in edt_ft5x06_ts_prepare_debugfs()
772 			    tsdata->debug_dir, tsdata, &debugfs_mode_fops);  in edt_ft5x06_ts_prepare_debugfs()
774 			    tsdata->debug_dir, tsdata, &debugfs_raw_data_fops);  in edt_ft5x06_ts_prepare_debugfs()
778 edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_teardown_debugfs()  argument
780 	debugfs_remove_recursive(tsdata->debug_dir);  in edt_ft5x06_ts_teardown_debugfs()
781 	kfree(tsdata->raw_buffer);  in edt_ft5x06_ts_teardown_debugfs()
787 edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_prepare_debugfs()  argument
793 edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_teardown_debugfs()  argument
800 					struct edt_ft5x06_ts_data *tsdata,  in edt_ft5x06_ts_identify()  argument
806 	char *model_name = tsdata->name;  in edt_ft5x06_ts_identify()
823 		tsdata->version = EDT_M06;  in edt_ft5x06_ts_identify()
837 		tsdata->version = EDT_M12;  in edt_ft5x06_ts_identify()
860 		tsdata->version = GENERIC_FT;  in edt_ft5x06_ts_identify()
884 			tsdata->version = EDT_M09;  in edt_ft5x06_ts_identify()
889 			tsdata->version = EDT_M09;  in edt_ft5x06_ts_identify()
897 			tsdata->version = EV_FT;  in edt_ft5x06_ts_identify()
918 				       struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_get_defaults()  argument
920 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_get_defaults()
926 		edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, val);  in edt_ft5x06_ts_get_defaults()
927 		tsdata->threshold = val;  in edt_ft5x06_ts_get_defaults()
932 		edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, val);  in edt_ft5x06_ts_get_defaults()
933 		tsdata->gain = val;  in edt_ft5x06_ts_get_defaults()
938 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val);  in edt_ft5x06_ts_get_defaults()
939 		tsdata->offset = val;  in edt_ft5x06_ts_get_defaults()
944 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x, val);  in edt_ft5x06_ts_get_defaults()
945 		tsdata->offset_x = val;  in edt_ft5x06_ts_get_defaults()
950 		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y, val);  in edt_ft5x06_ts_get_defaults()
951 		tsdata->offset_y = val;  in edt_ft5x06_ts_get_defaults()
956 edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_get_parameters()  argument
958 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_get_parameters()
960 	tsdata->threshold = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
962 	tsdata->gain = edt_ft5x06_register_read(tsdata, reg_addr->reg_gain);  in edt_ft5x06_ts_get_parameters()
964 		tsdata->offset =  in edt_ft5x06_ts_get_parameters()
965 			edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);  in edt_ft5x06_ts_get_parameters()
967 		tsdata->offset_x = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
970 		tsdata->offset_y = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
973 		tsdata->report_rate = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
975 	if (tsdata->version == EDT_M06 ||  in edt_ft5x06_ts_get_parameters()
976 	    tsdata->version == EDT_M09 ||  in edt_ft5x06_ts_get_parameters()
977 	    tsdata->version == EDT_M12) {  in edt_ft5x06_ts_get_parameters()
978 		tsdata->num_x = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
980 		tsdata->num_y = edt_ft5x06_register_read(tsdata,  in edt_ft5x06_ts_get_parameters()
983 		tsdata->num_x = -1;  in edt_ft5x06_ts_get_parameters()
984 		tsdata->num_y = -1;  in edt_ft5x06_ts_get_parameters()
989 edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)  in edt_ft5x06_ts_set_regs()  argument
991 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;  in edt_ft5x06_ts_set_regs()
993 	switch (tsdata->version) {  in edt_ft5x06_ts_set_regs()
1043 	struct edt_ft5x06_ts_data *tsdata;  in edt_ft5x06_ts_probe()  local
1051 	tsdata = devm_kzalloc(&client->dev, sizeof(*tsdata), GFP_KERNEL);  in edt_ft5x06_ts_probe()
1052 	if (!tsdata) {  in edt_ft5x06_ts_probe()
1065 	tsdata->max_support_points = chip_data->max_support_points;  in edt_ft5x06_ts_probe()
1067 	tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev,  in edt_ft5x06_ts_probe()
1069 	if (IS_ERR(tsdata->reset_gpio)) {  in edt_ft5x06_ts_probe()
1070 		error = PTR_ERR(tsdata->reset_gpio);  in edt_ft5x06_ts_probe()
1076 	tsdata->wake_gpio = devm_gpiod_get_optional(&client->dev,  in edt_ft5x06_ts_probe()
1078 	if (IS_ERR(tsdata->wake_gpio)) {  in edt_ft5x06_ts_probe()
1079 		error = PTR_ERR(tsdata->wake_gpio);  in edt_ft5x06_ts_probe()
1085 	if (tsdata->wake_gpio) {  in edt_ft5x06_ts_probe()
1087 		gpiod_set_value_cansleep(tsdata->wake_gpio, 1);  in edt_ft5x06_ts_probe()
1090 	if (tsdata->reset_gpio) {  in edt_ft5x06_ts_probe()
1092 		gpiod_set_value_cansleep(tsdata->reset_gpio, 0);  in edt_ft5x06_ts_probe()
1102 	mutex_init(&tsdata->mutex);  in edt_ft5x06_ts_probe()
1103 	tsdata->client = client;  in edt_ft5x06_ts_probe()
1104 	tsdata->input = input;  in edt_ft5x06_ts_probe()
1105 	tsdata->factory_mode = false;  in edt_ft5x06_ts_probe()
1107 	error = edt_ft5x06_ts_identify(client, tsdata, fw_version);  in edt_ft5x06_ts_probe()
1113 	edt_ft5x06_ts_set_regs(tsdata);  in edt_ft5x06_ts_probe()
1114 	edt_ft5x06_ts_get_defaults(&client->dev, tsdata);  in edt_ft5x06_ts_probe()
1115 	edt_ft5x06_ts_get_parameters(tsdata);  in edt_ft5x06_ts_probe()
1119 		tsdata->name, fw_version, tsdata->num_x, tsdata->num_y);  in edt_ft5x06_ts_probe()
1121 	input->name = tsdata->name;  in edt_ft5x06_ts_probe()
1125 	if (tsdata->version == EDT_M06 ||  in edt_ft5x06_ts_probe()
1126 	    tsdata->version == EDT_M09 ||  in edt_ft5x06_ts_probe()
1127 	    tsdata->version == EDT_M12) {  in edt_ft5x06_ts_probe()
1129 				     0, tsdata->num_x * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1131 				     0, tsdata->num_y * 64 - 1, 0, 0);  in edt_ft5x06_ts_probe()
1140 	touchscreen_parse_properties(input, true, &tsdata->prop);  in edt_ft5x06_ts_probe()
1142 	error = input_mt_init_slots(input, tsdata->max_support_points,  in edt_ft5x06_ts_probe()
1149 	i2c_set_clientdata(client, tsdata);  in edt_ft5x06_ts_probe()
1158 					client->name, tsdata);  in edt_ft5x06_ts_probe()
1172 	edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));  in edt_ft5x06_ts_probe()
1178 		tsdata->wake_gpio ? desc_to_gpio(tsdata->wake_gpio) : -1,  in edt_ft5x06_ts_probe()
1179 		tsdata->reset_gpio ? desc_to_gpio(tsdata->reset_gpio) : -1);  in edt_ft5x06_ts_probe()
1186 	struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);  in edt_ft5x06_ts_remove()  local
1188 	edt_ft5x06_ts_teardown_debugfs(tsdata);  in edt_ft5x06_ts_remove()