156 static int twl4030_is_battery_present(struct twl4030_bci *bci)  in twl4030_is_battery_present()  argument
185 static int twl4030_bci_have_vbus(struct twl4030_bci *bci)  in twl4030_bci_have_vbus()  argument
195 	dev_dbg(bci->dev, "check_vbus: HW_CONDITIONS %02x\n", hwsts);  in twl4030_bci_have_vbus()
207 static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)  in twl4030_charger_enable_usb()  argument
213 		if (!twl4030_bci_have_vbus(bci))  in twl4030_charger_enable_usb()
221 			dev_warn(bci->dev, "USB charging is disabled.\n");  in twl4030_charger_enable_usb()
226 		if (!bci->usb_enabled) {  in twl4030_charger_enable_usb()
227 			ret = regulator_enable(bci->usb_reg);  in twl4030_charger_enable_usb()
229 				dev_err(bci->dev,  in twl4030_charger_enable_usb()
233 			bci->usb_enabled = 1;  in twl4030_charger_enable_usb()
246 		if (bci->usb_enabled) {  in twl4030_charger_enable_usb()
247 			regulator_disable(bci->usb_reg);  in twl4030_charger_enable_usb()
248 			bci->usb_enabled = 0;  in twl4030_charger_enable_usb()
318 	struct twl4030_bci *bci = arg;  in twl4030_charger_interrupt()  local
320 	dev_dbg(bci->dev, "CHG_PRES irq\n");  in twl4030_charger_interrupt()
321 	power_supply_changed(bci->ac);  in twl4030_charger_interrupt()
322 	power_supply_changed(bci->usb);  in twl4030_charger_interrupt()
332 	struct twl4030_bci *bci = arg;  in twl4030_bci_interrupt()  local
346 	dev_dbg(bci->dev, "BCI irq %02x %02x\n", irqs2, irqs1);  in twl4030_bci_interrupt()
350 		power_supply_changed(bci->ac);  in twl4030_bci_interrupt()
351 		power_supply_changed(bci->usb);  in twl4030_bci_interrupt()
356 		dev_warn(bci->dev, "battery temperature out of range\n");  in twl4030_bci_interrupt()
359 		dev_crit(bci->dev, "battery disconnected\n");  in twl4030_bci_interrupt()
362 		dev_crit(bci->dev, "VBAT overvoltage\n");  in twl4030_bci_interrupt()
365 		dev_crit(bci->dev, "VBUS overvoltage\n");  in twl4030_bci_interrupt()
368 		dev_crit(bci->dev, "Ac charger overvoltage\n");  in twl4030_bci_interrupt()
375 	struct twl4030_bci *bci = container_of(data, struct twl4030_bci, work);  in twl4030_bci_usb_work()  local
377 	switch (bci->event) {  in twl4030_bci_usb_work()
380 		twl4030_charger_enable_usb(bci, true);  in twl4030_bci_usb_work()
383 		twl4030_charger_enable_usb(bci, false);  in twl4030_bci_usb_work()
391 	struct twl4030_bci *bci = container_of(nb, struct twl4030_bci, usb_nb);  in twl4030_bci_usb_ncb()  local
393 	dev_dbg(bci->dev, "OTG notify %lu\n", val);  in twl4030_bci_usb_ncb()
395 	bci->event = val;  in twl4030_bci_usb_ncb()
396 	schedule_work(&bci->work);  in twl4030_bci_usb_ncb()
434 static int twl4030bci_state(struct twl4030_bci *bci)  in twl4030bci_state()  argument
445 	dev_dbg(bci->dev, "state: %02x\n", state);  in twl4030bci_state()
466 	struct twl4030_bci *bci = dev_get_drvdata(psy->dev.parent);  in twl4030_bci_get_property()  local
471 	state = twl4030bci_state(bci);  in twl4030_bci_get_property()
579 	struct twl4030_bci *bci;  in twl4030_bci_probe()  local
584 	bci = kzalloc(sizeof(*bci), GFP_KERNEL);  in twl4030_bci_probe()
585 	if (bci == NULL)  in twl4030_bci_probe()
591 	bci->dev = &pdev->dev;  in twl4030_bci_probe()
592 	bci->irq_chg = platform_get_irq(pdev, 0);  in twl4030_bci_probe()
593 	bci->irq_bci = platform_get_irq(pdev, 1);  in twl4030_bci_probe()
596 	ret = twl4030_is_battery_present(bci);  in twl4030_bci_probe()
602 	platform_set_drvdata(pdev, bci);  in twl4030_bci_probe()
604 	bci->ac = power_supply_register(&pdev->dev, &twl4030_bci_ac_desc,  in twl4030_bci_probe()
606 	if (IS_ERR(bci->ac)) {  in twl4030_bci_probe()
607 		ret = PTR_ERR(bci->ac);  in twl4030_bci_probe()
612 	bci->usb_reg = regulator_get(bci->dev, "bci3v1");  in twl4030_bci_probe()
614 	bci->usb = power_supply_register(&pdev->dev, &twl4030_bci_usb_desc,  in twl4030_bci_probe()
616 	if (IS_ERR(bci->usb)) {  in twl4030_bci_probe()
617 		ret = PTR_ERR(bci->usb);  in twl4030_bci_probe()
622 	ret = request_threaded_irq(bci->irq_chg, NULL,  in twl4030_bci_probe()
624 			bci);  in twl4030_bci_probe()
627 			bci->irq_chg, ret);  in twl4030_bci_probe()
631 	ret = request_threaded_irq(bci->irq_bci, NULL,  in twl4030_bci_probe()
632 			twl4030_bci_interrupt, IRQF_ONESHOT, pdev->name, bci);  in twl4030_bci_probe()
635 			bci->irq_bci, ret);  in twl4030_bci_probe()
639 	INIT_WORK(&bci->work, twl4030_bci_usb_work);  in twl4030_bci_probe()
641 	bci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);  in twl4030_bci_probe()
642 	if (!IS_ERR_OR_NULL(bci->transceiver)) {  in twl4030_bci_probe()
643 		bci->usb_nb.notifier_call = twl4030_bci_usb_ncb;  in twl4030_bci_probe()
644 		usb_register_notifier(bci->transceiver, &bci->usb_nb);  in twl4030_bci_probe()
664 	twl4030_charger_enable_usb(bci, true);  in twl4030_bci_probe()
674 	if (!IS_ERR_OR_NULL(bci->transceiver)) {  in twl4030_bci_probe()
675 		usb_unregister_notifier(bci->transceiver, &bci->usb_nb);  in twl4030_bci_probe()
676 		usb_put_phy(bci->transceiver);  in twl4030_bci_probe()
678 	free_irq(bci->irq_bci, bci);  in twl4030_bci_probe()
680 	free_irq(bci->irq_chg, bci);  in twl4030_bci_probe()
682 	power_supply_unregister(bci->usb);  in twl4030_bci_probe()
684 	power_supply_unregister(bci->ac);  in twl4030_bci_probe()
687 	kfree(bci);  in twl4030_bci_probe()
694 	struct twl4030_bci *bci = platform_get_drvdata(pdev);  in twl4030_bci_remove()  local
697 	twl4030_charger_enable_usb(bci, false);  in twl4030_bci_remove()
706 	if (!IS_ERR_OR_NULL(bci->transceiver)) {  in twl4030_bci_remove()
707 		usb_unregister_notifier(bci->transceiver, &bci->usb_nb);  in twl4030_bci_remove()
708 		usb_put_phy(bci->transceiver);  in twl4030_bci_remove()
710 	free_irq(bci->irq_bci, bci);  in twl4030_bci_remove()
711 	free_irq(bci->irq_chg, bci);  in twl4030_bci_remove()
712 	power_supply_unregister(bci->usb);  in twl4030_bci_remove()
713 	power_supply_unregister(bci->ac);  in twl4030_bci_remove()
714 	kfree(bci);  in twl4030_bci_remove()