17 static inline struct ssusb_mtk *otg_sx_to_ssusb(struct otg_switch_mtk *otg_sx)  in otg_sx_to_ssusb()  argument
19 	return container_of(otg_sx, struct ssusb_mtk, otg_switch);  in otg_sx_to_ssusb()
102 int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)  in ssusb_set_vbus()  argument
104 	struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);  in ssusb_set_vbus()
105 	struct regulator *vbus = otg_sx->vbus;  in ssusb_set_vbus()
129 	struct otg_switch_mtk *otg_sx =  in ssusb_mode_sw_work()  local
131 	struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);  in ssusb_mode_sw_work()
133 	enum usb_role desired_role = otg_sx->desired_role;  in ssusb_mode_sw_work()
141 		if (otg_sx->default_role == USB_ROLE_DEVICE)  in ssusb_mode_sw_work()
157 		ssusb_set_vbus(otg_sx, 1);  in ssusb_mode_sw_work()
163 		ssusb_set_vbus(otg_sx, 0);  in ssusb_mode_sw_work()
174 static void ssusb_set_mode(struct otg_switch_mtk *otg_sx, enum usb_role role)  in ssusb_set_mode()  argument
176 	struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);  in ssusb_set_mode()
181 	otg_sx->desired_role = role;  in ssusb_set_mode()
182 	queue_work(system_freezable_wq, &otg_sx->dr_work);  in ssusb_set_mode()
188 	struct otg_switch_mtk *otg_sx =  in ssusb_id_notifier()  local
191 	ssusb_set_mode(otg_sx, event ? USB_ROLE_HOST : USB_ROLE_DEVICE);  in ssusb_id_notifier()
196 static int ssusb_extcon_register(struct otg_switch_mtk *otg_sx)  in ssusb_extcon_register()  argument
198 	struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);  in ssusb_extcon_register()
199 	struct extcon_dev *edev = otg_sx->edev;  in ssusb_extcon_register()
206 	otg_sx->id_nb.notifier_call = ssusb_id_notifier;  in ssusb_extcon_register()
208 					&otg_sx->id_nb);  in ssusb_extcon_register()
219 		ssusb_set_mode(otg_sx, USB_ROLE_DEVICE);  in ssusb_extcon_register()
232 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_mode_switch()  local
234 	ssusb_set_mode(otg_sx, to_host ? USB_ROLE_HOST : USB_ROLE_DEVICE);  in ssusb_mode_switch()
263 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_role_sw_set()  local
265 	ssusb_set_mode(otg_sx, role);  in ssusb_role_sw_set()
277 static int ssusb_role_sw_register(struct otg_switch_mtk *otg_sx)  in ssusb_role_sw_register()  argument
280 	struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);  in ssusb_role_sw_register()
284 	if (!otg_sx->role_sw_used)  in ssusb_role_sw_register()
289 		otg_sx->default_role = USB_ROLE_DEVICE;  in ssusb_role_sw_register()
291 		otg_sx->default_role = USB_ROLE_HOST;  in ssusb_role_sw_register()
297 	otg_sx->role_sw = usb_role_switch_register(dev, &role_sx_desc);  in ssusb_role_sw_register()
298 	if (IS_ERR(otg_sx->role_sw))  in ssusb_role_sw_register()
299 		return PTR_ERR(otg_sx->role_sw);  in ssusb_role_sw_register()
301 	ssusb_set_mode(otg_sx, otg_sx->default_role);  in ssusb_role_sw_register()
308 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_otg_switch_init()  local
311 	INIT_WORK(&otg_sx->dr_work, ssusb_mode_sw_work);  in ssusb_otg_switch_init()
313 	if (otg_sx->manual_drd_enabled)  in ssusb_otg_switch_init()
315 	else if (otg_sx->role_sw_used)  in ssusb_otg_switch_init()
316 		ret = ssusb_role_sw_register(otg_sx);  in ssusb_otg_switch_init()
318 		ret = ssusb_extcon_register(otg_sx);  in ssusb_otg_switch_init()
325 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_otg_switch_exit()  local
327 	cancel_work_sync(&otg_sx->dr_work);  in ssusb_otg_switch_exit()
328 	usb_role_switch_unregister(otg_sx->role_sw);  in ssusb_otg_switch_exit()