65 static void switch_usb2_role(struct dwc3_rtk *rtk, enum usb_role role)  in switch_usb2_role()  argument
70 	reg = rtk->regs + WRAP_USB2_PHY_REG;  in switch_usb2_role()
81 		dev_dbg(rtk->dev, "%s: role=%d\n", __func__, role);  in switch_usb2_role()
86 static void switch_dwc3_role(struct dwc3_rtk *rtk, enum usb_role role)  in switch_dwc3_role()  argument
88 	if (!rtk->dwc->role_sw)  in switch_dwc3_role()
91 	usb_role_switch_set_role(rtk->dwc->role_sw, role);  in switch_dwc3_role()
94 static enum usb_role dwc3_rtk_get_role(struct dwc3_rtk *rtk)  in dwc3_rtk_get_role()  argument
98 	role = rtk->cur_role;  in dwc3_rtk_get_role()
100 	if (rtk->dwc && rtk->dwc->role_sw)  in dwc3_rtk_get_role()
101 		role = usb_role_switch_get_role(rtk->dwc->role_sw);  in dwc3_rtk_get_role()
103 		dev_dbg(rtk->dev, "%s not usb_role_switch role=%d\n", __func__, role);  in dwc3_rtk_get_role()
108 static void dwc3_rtk_set_role(struct dwc3_rtk *rtk, enum usb_role role)  in dwc3_rtk_set_role()  argument
110 	rtk->cur_role = role;  in dwc3_rtk_set_role()
112 	switch_dwc3_role(rtk, role);  in dwc3_rtk_set_role()
114 	switch_usb2_role(rtk, role);  in dwc3_rtk_set_role()
120 	struct dwc3_rtk *rtk = usb_role_switch_get_drvdata(sw);  in dwc3_usb_role_switch_set()  local
122 	dwc3_rtk_set_role(rtk, role);  in dwc3_usb_role_switch_set()
129 	struct dwc3_rtk *rtk = usb_role_switch_get_drvdata(sw);  in dwc3_usb_role_switch_get()  local
131 	return dwc3_rtk_get_role(rtk);  in dwc3_usb_role_switch_get()
134 static int dwc3_rtk_setup_role_switch(struct dwc3_rtk *rtk)  in dwc3_rtk_setup_role_switch()  argument
138 	dwc3_role_switch.name = dev_name(rtk->dev);  in dwc3_rtk_setup_role_switch()
139 	dwc3_role_switch.driver_data = rtk;  in dwc3_rtk_setup_role_switch()
141 	dwc3_role_switch.fwnode = dev_fwnode(rtk->dev);  in dwc3_rtk_setup_role_switch()
144 	rtk->role_switch = usb_role_switch_register(rtk->dev, &dwc3_role_switch);  in dwc3_rtk_setup_role_switch()
145 	if (IS_ERR(rtk->role_switch))  in dwc3_rtk_setup_role_switch()
146 		return PTR_ERR(rtk->role_switch);  in dwc3_rtk_setup_role_switch()
151 static int dwc3_rtk_remove_role_switch(struct dwc3_rtk *rtk)  in dwc3_rtk_remove_role_switch()  argument
153 	if (rtk->role_switch)  in dwc3_rtk_remove_role_switch()
154 		usb_role_switch_unregister(rtk->role_switch);  in dwc3_rtk_remove_role_switch()
156 	rtk->role_switch = NULL;  in dwc3_rtk_remove_role_switch()
194 static int dwc3_rtk_init(struct dwc3_rtk *rtk)  in dwc3_rtk_init()  argument
196 	struct device *dev = rtk->dev;  in dwc3_rtk_init()
209 		reg = rtk->regs + WRAP_CTR_REG;  in dwc3_rtk_init()
216 		reg = rtk->regs + WRAP_USB2_PHY_REG;  in dwc3_rtk_init()
222 	reg = rtk->regs + WRAP_USB2_PHY_UTMI_REG;  in dwc3_rtk_init()
229 			reg = rtk->regs + WRAP_USB_HMAC_CTR0_REG;  in dwc3_rtk_init()
233 			reg = rtk->regs + WRAP_CTR_REG;  in dwc3_rtk_init()
237 			reg = rtk->regs + WRAP_PHY_PIPE_REG;  in dwc3_rtk_init()
241 			reg =  rtk->regs + WRAP_USB_HMAC_CTR0_REG;  in dwc3_rtk_init()
245 			reg = rtk->regs + WRAP_APHY_REG;  in dwc3_rtk_init()
249 			dev_dbg(rtk->dev, "%s: disable usb 3.0 phy\n", __func__);  in dwc3_rtk_init()
253 	reg = rtk->regs + WRAP_CTR_REG;  in dwc3_rtk_init()
258 	reg = rtk->regs + WRAP_USB2_PHY_REG;  in dwc3_rtk_init()
262 	if (rtk->pm_base) {  in dwc3_rtk_init()
263 		reg = rtk->pm_base + USB_DBUS_PWR_CTRL_REG;  in dwc3_rtk_init()
271 static int dwc3_rtk_probe_dwc3_core(struct dwc3_rtk *rtk)  in dwc3_rtk_probe_dwc3_core()  argument
273 	struct device *dev = rtk->dev;  in dwc3_rtk_probe_dwc3_core()
280 	ret = dwc3_rtk_init(rtk);  in dwc3_rtk_probe_dwc3_core()
306 	rtk->dwc = platform_get_drvdata(dwc3_pdev);  in dwc3_rtk_probe_dwc3_core()
307 	if (!rtk->dwc) {  in dwc3_rtk_probe_dwc3_core()
314 	if (dr_mode != rtk->dwc->dr_mode) {  in dwc3_rtk_probe_dwc3_core()
316 			 dr_mode, rtk->dwc->dr_mode);  in dwc3_rtk_probe_dwc3_core()
317 		dr_mode = rtk->dwc->dr_mode;  in dwc3_rtk_probe_dwc3_core()
322 		rtk->cur_role = USB_ROLE_DEVICE;  in dwc3_rtk_probe_dwc3_core()
325 		rtk->cur_role = USB_ROLE_HOST;  in dwc3_rtk_probe_dwc3_core()
328 		dev_dbg(rtk->dev, "%s: dr_mode=%d\n", __func__, dr_mode);  in dwc3_rtk_probe_dwc3_core()
333 		ret = dwc3_rtk_setup_role_switch(rtk);  in dwc3_rtk_probe_dwc3_core()
338 		rtk->cur_role = dwc3_rtk_get_role(rtk);  in dwc3_rtk_probe_dwc3_core()
341 	switch_usb2_role(rtk, rtk->cur_role);  in dwc3_rtk_probe_dwc3_core()
357 	struct dwc3_rtk *rtk;  in dwc3_rtk_probe()  local
362 	rtk = devm_kzalloc(dev, sizeof(*rtk), GFP_KERNEL);  in dwc3_rtk_probe()
363 	if (!rtk)  in dwc3_rtk_probe()
366 	platform_set_drvdata(pdev, rtk);  in dwc3_rtk_probe()
368 	rtk->dev = dev;  in dwc3_rtk_probe()
374 	rtk->regs = regs;  in dwc3_rtk_probe()
375 	rtk->regs_size = resource_size(res);  in dwc3_rtk_probe()
379 		rtk->pm_base = devm_ioremap_resource(dev, res);  in dwc3_rtk_probe()
380 		if (IS_ERR(rtk->pm_base))  in dwc3_rtk_probe()
381 			return PTR_ERR(rtk->pm_base);  in dwc3_rtk_probe()
384 	return dwc3_rtk_probe_dwc3_core(rtk);  in dwc3_rtk_probe()
389 	struct dwc3_rtk *rtk = platform_get_drvdata(pdev);  in dwc3_rtk_remove()  local
391 	rtk->dwc = NULL;  in dwc3_rtk_remove()
393 	dwc3_rtk_remove_role_switch(rtk);  in dwc3_rtk_remove()
395 	of_platform_depopulate(rtk->dev);  in dwc3_rtk_remove()
400 	struct dwc3_rtk *rtk = platform_get_drvdata(pdev);  in dwc3_rtk_shutdown()  local
402 	of_platform_depopulate(rtk->dev);  in dwc3_rtk_shutdown()
419 	struct dwc3_rtk *rtk = dev_get_drvdata(dev);  in dwc3_rtk_resume()  local
421 	dwc3_rtk_init(rtk);  in dwc3_rtk_resume()
423 	switch_usb2_role(rtk, rtk->cur_role);  in dwc3_rtk_resume()