223 static int rt8973a_muic_set_path(struct rt8973a_muic_info *info,  in rt8973a_muic_set_path()  argument
232 	if (info->auto_config)  in rt8973a_muic_set_path()
242 		ret = regmap_update_bits(info->regmap, RT8973A_REG_MANUAL_SW1,  in rt8973a_muic_set_path()
247 			dev_err(info->dev,  in rt8973a_muic_set_path()
253 		dev_err(info->dev, "Unknown DM_CON/DP_CON switch type (%d)\n",  in rt8973a_muic_set_path()
261 static int rt8973a_muic_get_cable_type(struct rt8973a_muic_info *info)  in rt8973a_muic_get_cable_type()  argument
267 	ret = regmap_read(info->regmap, RT8973A_REG_ADC, &adc);  in rt8973a_muic_get_cable_type()
269 		dev_err(info->dev, "failed to read ADC register\n");  in rt8973a_muic_get_cable_type()
275 	ret = regmap_read(info->regmap, RT8973A_REG_DEV1, &dev1);  in rt8973a_muic_get_cable_type()
277 		dev_err(info->dev, "failed to read DEV1 register\n");  in rt8973a_muic_get_cable_type()
297 static int rt8973a_muic_cable_handler(struct rt8973a_muic_info *info,  in rt8973a_muic_cable_handler()  argument
308 		cable_type = rt8973a_muic_get_cable_type(info);  in rt8973a_muic_cable_handler()
317 		dev_warn(info->dev,  in rt8973a_muic_cable_handler()
324 		dev_err(info->dev,  in rt8973a_muic_cable_handler()
360 		dev_warn(info->dev,  in rt8973a_muic_cable_handler()
377 		dev_warn(info->dev,  in rt8973a_muic_cable_handler()
388 		dev_err(info->dev,  in rt8973a_muic_cable_handler()
395 	ret = rt8973a_muic_set_path(info, con_sw, attached);  in rt8973a_muic_cable_handler()
400 	extcon_set_cable_state_(info->edev, id, attached);  in rt8973a_muic_cable_handler()
407 	struct rt8973a_muic_info *info = container_of(work,  in rt8973a_muic_irq_work()  local
411 	if (!info->edev)  in rt8973a_muic_irq_work()
414 	mutex_lock(&info->mutex);  in rt8973a_muic_irq_work()
417 	if (info->irq_attach) {  in rt8973a_muic_irq_work()
418 		ret = rt8973a_muic_cable_handler(info, RT8973A_EVENT_ATTACH);  in rt8973a_muic_irq_work()
419 		info->irq_attach = false;  in rt8973a_muic_irq_work()
422 	if (info->irq_detach) {  in rt8973a_muic_irq_work()
423 		ret = rt8973a_muic_cable_handler(info, RT8973A_EVENT_DETACH);  in rt8973a_muic_irq_work()
424 		info->irq_detach = false;  in rt8973a_muic_irq_work()
427 	if (info->irq_ovp) {  in rt8973a_muic_irq_work()
428 		ret = rt8973a_muic_cable_handler(info, RT8973A_EVENT_OVP);  in rt8973a_muic_irq_work()
429 		info->irq_ovp = false;  in rt8973a_muic_irq_work()
432 	if (info->irq_otp) {  in rt8973a_muic_irq_work()
433 		ret = rt8973a_muic_cable_handler(info, RT8973A_EVENT_OTP);  in rt8973a_muic_irq_work()
434 		info->irq_otp = false;  in rt8973a_muic_irq_work()
438 		dev_err(info->dev, "failed to handle MUIC interrupt\n");  in rt8973a_muic_irq_work()
440 	mutex_unlock(&info->mutex);  in rt8973a_muic_irq_work()
445 	struct rt8973a_muic_info *info = data;  in rt8973a_muic_irq_handler()  local
448 	for (i = 0; i < info->num_muic_irqs; i++)  in rt8973a_muic_irq_handler()
449 		if (irq == info->muic_irqs[i].virq)  in rt8973a_muic_irq_handler()
450 			irq_type = info->muic_irqs[i].irq;  in rt8973a_muic_irq_handler()
454 		info->irq_attach = true;  in rt8973a_muic_irq_handler()
457 		info->irq_detach = true;  in rt8973a_muic_irq_handler()
460 		info->irq_ovp = true;  in rt8973a_muic_irq_handler()
463 		info->irq_otp = true;  in rt8973a_muic_irq_handler()
477 		dev_dbg(info->dev,  in rt8973a_muic_irq_handler()
482 	schedule_work(&info->irq_work);  in rt8973a_muic_irq_handler()
489 	struct rt8973a_muic_info *info = container_of(to_delayed_work(work),  in rt8973a_muic_detect_cable_wq()  local
494 	ret = rt8973a_muic_cable_handler(info, RT8973A_EVENT_ATTACH);  in rt8973a_muic_detect_cable_wq()
496 		dev_warn(info->dev, "failed to detect cable state\n");  in rt8973a_muic_detect_cable_wq()
499 static void rt8973a_init_dev_type(struct rt8973a_muic_info *info)  in rt8973a_init_dev_type()  argument
505 	ret = regmap_read(info->regmap, RT8973A_REG_DEVICE_ID, &data);  in rt8973a_init_dev_type()
507 		dev_err(info->dev,  in rt8973a_init_dev_type()
517 	dev_info(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n",  in rt8973a_init_dev_type()
521 	for (i = 0; i < info->num_reg_data; i++) {  in rt8973a_init_dev_type()
522 		u8 reg = info->reg_data[i].reg;  in rt8973a_init_dev_type()
523 		u8 mask = info->reg_data[i].mask;  in rt8973a_init_dev_type()
526 		if (info->reg_data[i].invert)  in rt8973a_init_dev_type()
527 			val = ~info->reg_data[i].val;  in rt8973a_init_dev_type()
529 			val = info->reg_data[i].val;  in rt8973a_init_dev_type()
531 		regmap_update_bits(info->regmap, reg, mask, val);  in rt8973a_init_dev_type()
535 	ret = regmap_read(info->regmap, RT8973A_REG_CONTROL1, &data);  in rt8973a_init_dev_type()
537 		dev_err(info->dev,  in rt8973a_init_dev_type()
544 		info->auto_config = true;  in rt8973a_init_dev_type()
545 		dev_info(info->dev,  in rt8973a_init_dev_type()
554 	struct rt8973a_muic_info *info;  in rt8973a_muic_i2c_probe()  local
560 	info = devm_kzalloc(&i2c->dev, sizeof(*info), GFP_KERNEL);  in rt8973a_muic_i2c_probe()
561 	if (!info)  in rt8973a_muic_i2c_probe()
563 	i2c_set_clientdata(i2c, info);  in rt8973a_muic_i2c_probe()
565 	info->dev = &i2c->dev;  in rt8973a_muic_i2c_probe()
566 	info->i2c = i2c;  in rt8973a_muic_i2c_probe()
567 	info->irq = i2c->irq;  in rt8973a_muic_i2c_probe()
568 	info->muic_irqs = rt8973a_muic_irqs;  in rt8973a_muic_i2c_probe()
569 	info->num_muic_irqs = ARRAY_SIZE(rt8973a_muic_irqs);  in rt8973a_muic_i2c_probe()
570 	info->reg_data = rt8973a_reg_data;  in rt8973a_muic_i2c_probe()
571 	info->num_reg_data = ARRAY_SIZE(rt8973a_reg_data);  in rt8973a_muic_i2c_probe()
573 	mutex_init(&info->mutex);  in rt8973a_muic_i2c_probe()
575 	INIT_WORK(&info->irq_work, rt8973a_muic_irq_work);  in rt8973a_muic_i2c_probe()
577 	info->regmap = devm_regmap_init_i2c(i2c, &rt8973a_muic_regmap_config);  in rt8973a_muic_i2c_probe()
578 	if (IS_ERR(info->regmap)) {  in rt8973a_muic_i2c_probe()
579 		ret = PTR_ERR(info->regmap);  in rt8973a_muic_i2c_probe()
580 		dev_err(info->dev, "failed to allocate register map: %d\n",  in rt8973a_muic_i2c_probe()
587 	ret = regmap_add_irq_chip(info->regmap, info->irq, irq_flags, 0,  in rt8973a_muic_i2c_probe()
588 				  &rt8973a_muic_irq_chip, &info->irq_data);  in rt8973a_muic_i2c_probe()
590 		dev_err(info->dev, "failed to add irq_chip (irq:%d, err:%d)\n",  in rt8973a_muic_i2c_probe()
591 				    info->irq, ret);  in rt8973a_muic_i2c_probe()
595 	for (i = 0; i < info->num_muic_irqs; i++) {  in rt8973a_muic_i2c_probe()
596 		struct muic_irq *muic_irq = &info->muic_irqs[i];  in rt8973a_muic_i2c_probe()
599 		virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);  in rt8973a_muic_i2c_probe()
604 		ret = devm_request_threaded_irq(info->dev, virq, NULL,  in rt8973a_muic_i2c_probe()
607 						muic_irq->name, info);  in rt8973a_muic_i2c_probe()
609 			dev_err(info->dev,  in rt8973a_muic_i2c_probe()
617 	info->edev = devm_extcon_dev_allocate(info->dev, rt8973a_extcon_cable);  in rt8973a_muic_i2c_probe()
618 	if (IS_ERR(info->edev)) {  in rt8973a_muic_i2c_probe()
619 		dev_err(info->dev, "failed to allocate memory for extcon\n");  in rt8973a_muic_i2c_probe()
624 	ret = devm_extcon_dev_register(info->dev, info->edev);  in rt8973a_muic_i2c_probe()
626 		dev_err(info->dev, "failed to register extcon device\n");  in rt8973a_muic_i2c_probe()
638 	INIT_DELAYED_WORK(&info->wq_detcable, rt8973a_muic_detect_cable_wq);  in rt8973a_muic_i2c_probe()
639 	queue_delayed_work(system_power_efficient_wq, &info->wq_detcable,  in rt8973a_muic_i2c_probe()
643 	rt8973a_init_dev_type(info);  in rt8973a_muic_i2c_probe()
650 	struct rt8973a_muic_info *info = i2c_get_clientdata(i2c);  in rt8973a_muic_i2c_remove()  local
652 	regmap_del_irq_chip(info->irq, info->irq_data);  in rt8973a_muic_i2c_remove()
667 	struct rt8973a_muic_info *info = i2c_get_clientdata(i2c);  in rt8973a_muic_suspend()  local
669 	enable_irq_wake(info->irq);  in rt8973a_muic_suspend()
677 	struct rt8973a_muic_info *info = i2c_get_clientdata(i2c);  in rt8973a_muic_resume()  local
679 	disable_irq_wake(info->irq);  in rt8973a_muic_resume()