115 static inline int twl6030_writeb(struct twl6030_usb *twl, u8 module,  in twl6030_writeb()  argument
122 		dev_err(twl->dev,  in twl6030_writeb()
127 static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address)  in twl6030_readb()  argument
136 		dev_err(twl->dev,  in twl6030_readb()
144 	struct twl6030_usb *twl = comparator_to_twl(comparator);  in twl6030_start_srp()  local
146 	twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET);  in twl6030_start_srp()
147 	twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET);  in twl6030_start_srp()
150 	twl6030_writeb(twl, TWL_MODULE_USB, 0xa0, USB_VBUS_CTRL_CLR);  in twl6030_start_srp()
155 static int twl6030_usb_ldo_init(struct twl6030_usb *twl)  in twl6030_usb_ldo_init()  argument
158 	twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG);  in twl6030_usb_ldo_init()
161 	twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_CFG_LDO_PD2);  in twl6030_usb_ldo_init()
164 	twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x10, TWL6030_MISC2);  in twl6030_usb_ldo_init()
166 	twl->usb3v3 = regulator_get(twl->dev, twl->regulator);  in twl6030_usb_ldo_init()
167 	if (IS_ERR(twl->usb3v3))  in twl6030_usb_ldo_init()
171 	twl6030_writeb(twl, TWL_MODULE_USB, 0x4, USB_VBUS_CTRL_SET);  in twl6030_usb_ldo_init()
177 	twl6030_writeb(twl, TWL_MODULE_USB, 0x14, USB_ID_CTRL_SET);  in twl6030_usb_ldo_init()
185 	struct twl6030_usb *twl = dev_get_drvdata(dev);  in twl6030_usb_vbus_show()  local
189 	spin_lock_irqsave(&twl->lock, flags);  in twl6030_usb_vbus_show()
191 	switch (twl->linkstat) {  in twl6030_usb_vbus_show()
204 	spin_unlock_irqrestore(&twl->lock, flags);  in twl6030_usb_vbus_show()
212 	struct twl6030_usb *twl = _twl;  in twl6030_usb_irq()  local
217 	hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);  in twl6030_usb_irq()
219 	vbus_state = twl6030_readb(twl, TWL_MODULE_MAIN_CHARGE,  in twl6030_usb_irq()
223 			ret = regulator_enable(twl->usb3v3);  in twl6030_usb_irq()
225 				dev_err(twl->dev, "Failed to enable usb3v3\n");  in twl6030_usb_irq()
227 			twl->asleep = 1;  in twl6030_usb_irq()
229 			twl->linkstat = status;  in twl6030_usb_irq()
232 			if (twl->linkstat != OMAP_MUSB_UNKNOWN) {  in twl6030_usb_irq()
234 				twl->linkstat = status;  in twl6030_usb_irq()
236 				if (twl->asleep) {  in twl6030_usb_irq()
237 					regulator_disable(twl->usb3v3);  in twl6030_usb_irq()
238 					twl->asleep = 0;  in twl6030_usb_irq()
243 	sysfs_notify(&twl->dev->kobj, NULL, "vbus");  in twl6030_usb_irq()
250 	struct twl6030_usb *twl = _twl;  in twl6030_usbotg_irq()  local
255 	hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);  in twl6030_usbotg_irq()
258 		ret = regulator_enable(twl->usb3v3);  in twl6030_usbotg_irq()
260 			dev_err(twl->dev, "Failed to enable usb3v3\n");  in twl6030_usbotg_irq()
262 		twl->asleep = 1;  in twl6030_usbotg_irq()
263 		twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_CLR);  in twl6030_usbotg_irq()
264 		twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_SET);  in twl6030_usbotg_irq()
266 		twl->linkstat = status;  in twl6030_usbotg_irq()
269 		twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_CLR);  in twl6030_usbotg_irq()
270 		twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);  in twl6030_usbotg_irq()
272 	twl6030_writeb(twl, TWL_MODULE_USB, status, USB_ID_INT_LATCH_CLR);  in twl6030_usbotg_irq()
277 static int twl6030_enable_irq(struct twl6030_usb *twl)  in twl6030_enable_irq()  argument
279 	twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);  in twl6030_enable_irq()
287 	twl6030_usb_irq(twl->irq2, twl);  in twl6030_enable_irq()
288 	twl6030_usbotg_irq(twl->irq1, twl);  in twl6030_enable_irq()
295 	struct twl6030_usb *twl = container_of(data, struct twl6030_usb,  in otg_set_vbus_work()  local
303 	if (twl->vbus_enable)  in otg_set_vbus_work()
304 		twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE , 0x40,  in otg_set_vbus_work()
307 		twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE , 0x00,  in otg_set_vbus_work()
313 	struct twl6030_usb *twl = comparator_to_twl(comparator);  in twl6030_set_vbus()  local
315 	twl->vbus_enable = enabled;  in twl6030_set_vbus()
316 	schedule_work(&twl->set_vbus_work);  in twl6030_set_vbus()
324 	struct twl6030_usb	*twl;  in twl6030_usb_probe()  local
330 	twl = devm_kzalloc(dev, sizeof(*twl), GFP_KERNEL);  in twl6030_usb_probe()
331 	if (!twl)  in twl6030_usb_probe()
334 	twl->dev		= &pdev->dev;  in twl6030_usb_probe()
335 	twl->irq1		= platform_get_irq(pdev, 0);  in twl6030_usb_probe()
336 	twl->irq2		= platform_get_irq(pdev, 1);  in twl6030_usb_probe()
337 	twl->linkstat		= OMAP_MUSB_UNKNOWN;  in twl6030_usb_probe()
339 	twl->comparator.set_vbus	= twl6030_set_vbus;  in twl6030_usb_probe()
340 	twl->comparator.start_srp	= twl6030_start_srp;  in twl6030_usb_probe()
342 	ret = omap_usb2_set_comparator(&twl->comparator);  in twl6030_usb_probe()
349 		twl->regulator = "usb";  in twl6030_usb_probe()
352 			twl->regulator = "ldousb";  in twl6030_usb_probe()
354 			twl->regulator = "vusb";  in twl6030_usb_probe()
361 	spin_lock_init(&twl->lock);  in twl6030_usb_probe()
363 	err = twl6030_usb_ldo_init(twl);  in twl6030_usb_probe()
369 	platform_set_drvdata(pdev, twl);  in twl6030_usb_probe()
373 	INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);  in twl6030_usb_probe()
375 	status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,  in twl6030_usb_probe()
377 			"twl6030_usb", twl);  in twl6030_usb_probe()
380 			twl->irq1, status);  in twl6030_usb_probe()
381 		device_remove_file(twl->dev, &dev_attr_vbus);  in twl6030_usb_probe()
385 	status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,  in twl6030_usb_probe()
387 			"twl6030_usb", twl);  in twl6030_usb_probe()
390 			twl->irq2, status);  in twl6030_usb_probe()
391 		free_irq(twl->irq1, twl);  in twl6030_usb_probe()
392 		device_remove_file(twl->dev, &dev_attr_vbus);  in twl6030_usb_probe()
396 	twl->asleep = 0;  in twl6030_usb_probe()
397 	twl6030_enable_irq(twl);  in twl6030_usb_probe()
405 	struct twl6030_usb *twl = platform_get_drvdata(pdev);  in twl6030_usb_remove()  local
411 	free_irq(twl->irq1, twl);  in twl6030_usb_remove()
412 	free_irq(twl->irq2, twl);  in twl6030_usb_remove()
413 	regulator_put(twl->usb3v3);  in twl6030_usb_remove()
414 	device_remove_file(twl->dev, &dev_attr_vbus);  in twl6030_usb_remove()
415 	cancel_work_sync(&twl->set_vbus_work);  in twl6030_usb_remove()