104 static inline int twl6030_writeb(struct twl6030_usb *twl, u8 module,  in twl6030_writeb()  argument
111 		dev_err(twl->dev,  in twl6030_writeb()
116 static inline u8 twl6030_readb(struct twl6030_usb *twl, u8 module, u8 address)  in twl6030_readb()  argument
125 		dev_err(twl->dev,  in twl6030_readb()
133 	struct twl6030_usb *twl = comparator_to_twl(comparator);  in twl6030_start_srp()  local
135 	twl6030_writeb(twl, TWL_MODULE_USB, 0x24, USB_VBUS_CTRL_SET);  in twl6030_start_srp()
136 	twl6030_writeb(twl, TWL_MODULE_USB, 0x84, USB_VBUS_CTRL_SET);  in twl6030_start_srp()
139 	twl6030_writeb(twl, TWL_MODULE_USB, 0xa0, USB_VBUS_CTRL_CLR);  in twl6030_start_srp()
144 static int twl6030_usb_ldo_init(struct twl6030_usb *twl)  in twl6030_usb_ldo_init()  argument
147 	twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_BACKUP_REG);  in twl6030_usb_ldo_init()
150 	twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x1, TWL6030_CFG_LDO_PD2);  in twl6030_usb_ldo_init()
153 	twl6030_writeb(twl, TWL6030_MODULE_ID0, 0x10, TWL6030_MISC2);  in twl6030_usb_ldo_init()
155 	twl->usb3v3 = regulator_get(twl->dev, "usb");  in twl6030_usb_ldo_init()
156 	if (IS_ERR(twl->usb3v3))  in twl6030_usb_ldo_init()
160 	twl6030_writeb(twl, TWL_MODULE_USB, 0x4, USB_VBUS_CTRL_SET);  in twl6030_usb_ldo_init()
166 	twl6030_writeb(twl, TWL_MODULE_USB, 0x14, USB_ID_CTRL_SET);  in twl6030_usb_ldo_init()
174 	struct twl6030_usb *twl = dev_get_drvdata(dev);  in vbus_show()  local
178 	spin_lock_irqsave(&twl->lock, flags);  in vbus_show()
180 	switch (twl->linkstat) {  in vbus_show()
193 	spin_unlock_irqrestore(&twl->lock, flags);  in vbus_show()
207 	struct twl6030_usb *twl = _twl;  in twl6030_usb_irq()  local
212 	hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);  in twl6030_usb_irq()
214 	vbus_state = twl6030_readb(twl, TWL_MODULE_MAIN_CHARGE,  in twl6030_usb_irq()
218 			ret = regulator_enable(twl->usb3v3);  in twl6030_usb_irq()
220 				dev_err(twl->dev, "Failed to enable usb3v3\n");  in twl6030_usb_irq()
222 			twl->asleep = 1;  in twl6030_usb_irq()
224 			twl->linkstat = status;  in twl6030_usb_irq()
227 				twl->linkstat = MUSB_UNKNOWN;  in twl6030_usb_irq()
229 			if (twl->linkstat != MUSB_UNKNOWN) {  in twl6030_usb_irq()
231 				twl->linkstat = status;  in twl6030_usb_irq()
234 					twl->linkstat = MUSB_UNKNOWN;  in twl6030_usb_irq()
235 				if (twl->asleep) {  in twl6030_usb_irq()
236 					regulator_disable(twl->usb3v3);  in twl6030_usb_irq()
237 					twl->asleep = 0;  in twl6030_usb_irq()
242 	sysfs_notify(&twl->dev->kobj, NULL, "vbus");  in twl6030_usb_irq()
249 	struct twl6030_usb *twl = _twl;  in twl6030_usbotg_irq()  local
254 	hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);  in twl6030_usbotg_irq()
257 		ret = regulator_enable(twl->usb3v3);  in twl6030_usbotg_irq()
259 			dev_err(twl->dev, "Failed to enable usb3v3\n");  in twl6030_usbotg_irq()
261 		twl->asleep = 1;  in twl6030_usbotg_irq()
262 		twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_CLR);  in twl6030_usbotg_irq()
263 		twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_SET);  in twl6030_usbotg_irq()
265 		twl->linkstat = status;  in twl6030_usbotg_irq()
268 			twl->linkstat = MUSB_UNKNOWN;  in twl6030_usbotg_irq()
270 		twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_CLR);  in twl6030_usbotg_irq()
271 		twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);  in twl6030_usbotg_irq()
273 	twl6030_writeb(twl, TWL_MODULE_USB, status, USB_ID_INT_LATCH_CLR);  in twl6030_usbotg_irq()
280 	struct twl6030_usb *twl = container_of(work, struct twl6030_usb,  in twl6030_status_work()  local
283 	twl6030_usb_irq(twl->irq2, twl);  in twl6030_status_work()
284 	twl6030_usbotg_irq(twl->irq1, twl);  in twl6030_status_work()
287 static int twl6030_enable_irq(struct twl6030_usb *twl)  in twl6030_enable_irq()  argument
289 	twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);  in twl6030_enable_irq()
303 	struct twl6030_usb *twl = container_of(data, struct twl6030_usb,  in otg_set_vbus_work()  local
311 	if (twl->vbus_enable)  in otg_set_vbus_work()
312 		twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x40,  in otg_set_vbus_work()
315 		twl6030_writeb(twl, TWL_MODULE_MAIN_CHARGE, 0x00,  in otg_set_vbus_work()
321 	struct twl6030_usb *twl = comparator_to_twl(comparator);  in twl6030_set_vbus()  local
323 	twl->vbus_enable = enabled;  in twl6030_set_vbus()
324 	schedule_work(&twl->set_vbus_work);  in twl6030_set_vbus()
332 	struct twl6030_usb	*twl;  in twl6030_usb_probe()  local
342 	twl = devm_kzalloc(dev, sizeof(*twl), GFP_KERNEL);  in twl6030_usb_probe()
343 	if (!twl)  in twl6030_usb_probe()
346 	twl->dev		= &pdev->dev;  in twl6030_usb_probe()
347 	twl->irq1		= platform_get_irq(pdev, 0);  in twl6030_usb_probe()
348 	twl->irq2		= platform_get_irq(pdev, 1);  in twl6030_usb_probe()
349 	twl->linkstat		= MUSB_UNKNOWN;  in twl6030_usb_probe()
351 	if (twl->irq1 < 0)  in twl6030_usb_probe()
352 		return twl->irq1;  in twl6030_usb_probe()
353 	if (twl->irq2 < 0)  in twl6030_usb_probe()
354 		return twl->irq2;  in twl6030_usb_probe()
356 	twl->comparator.set_vbus	= twl6030_set_vbus;  in twl6030_usb_probe()
357 	twl->comparator.start_srp	= twl6030_start_srp;  in twl6030_usb_probe()
359 	ret = omap_usb2_set_comparator(&twl->comparator);  in twl6030_usb_probe()
366 	spin_lock_init(&twl->lock);  in twl6030_usb_probe()
368 	err = twl6030_usb_ldo_init(twl);  in twl6030_usb_probe()
374 	platform_set_drvdata(pdev, twl);  in twl6030_usb_probe()
376 	INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);  in twl6030_usb_probe()
377 	INIT_DELAYED_WORK(&twl->get_status_work, twl6030_status_work);  in twl6030_usb_probe()
379 	status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,  in twl6030_usb_probe()
381 			"twl6030_usb", twl);  in twl6030_usb_probe()
384 			twl->irq1, status);  in twl6030_usb_probe()
388 	status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,  in twl6030_usb_probe()
390 			"twl6030_usb", twl);  in twl6030_usb_probe()
393 			twl->irq2, status);  in twl6030_usb_probe()
397 	twl->asleep = 0;  in twl6030_usb_probe()
398 	twl6030_enable_irq(twl);  in twl6030_usb_probe()
399 	schedule_delayed_work(&twl->get_status_work, HZ);  in twl6030_usb_probe()
405 	free_irq(twl->irq1, twl);  in twl6030_usb_probe()
407 	regulator_put(twl->usb3v3);  in twl6030_usb_probe()
414 	struct twl6030_usb *twl = platform_get_drvdata(pdev);  in twl6030_usb_remove()  local
416 	cancel_delayed_work_sync(&twl->get_status_work);  in twl6030_usb_remove()
421 	free_irq(twl->irq1, twl);  in twl6030_usb_remove()
422 	free_irq(twl->irq2, twl);  in twl6030_usb_remove()
423 	regulator_put(twl->usb3v3);  in twl6030_usb_remove()
424 	cancel_work_sync(&twl->set_vbus_work);  in twl6030_usb_remove()