42 static void toggle_opstate(struct ssusb_mtk *ssusb)  in toggle_opstate()  argument
44 	mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);  in toggle_opstate()
45 	mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);  in toggle_opstate()
49 static int ssusb_port0_switch(struct ssusb_mtk *ssusb,  in ssusb_port0_switch()  argument
52 	void __iomem *ibase = ssusb->ippc_base;  in ssusb_port0_switch()
55 	dev_dbg(ssusb->dev, "%s (switch u%d port0 to %s)\n", __func__,  in ssusb_port0_switch()
87 static void switch_port_to_host(struct ssusb_mtk *ssusb)  in switch_port_to_host()  argument
91 	dev_dbg(ssusb->dev, "%s\n", __func__);  in switch_port_to_host()
93 	ssusb_port0_switch(ssusb, USB2_PORT, true);  in switch_port_to_host()
95 	if (ssusb->otg_switch.is_u3_drd) {  in switch_port_to_host()
96 		ssusb_port0_switch(ssusb, USB3_PORT, true);  in switch_port_to_host()
100 	ssusb_check_clocks(ssusb, check_clk);  in switch_port_to_host()
103 	toggle_opstate(ssusb);  in switch_port_to_host()
106 static void switch_port_to_device(struct ssusb_mtk *ssusb)  in switch_port_to_device()  argument
110 	dev_dbg(ssusb->dev, "%s\n", __func__);  in switch_port_to_device()
112 	ssusb_port0_switch(ssusb, USB2_PORT, false);  in switch_port_to_device()
114 	if (ssusb->otg_switch.is_u3_drd) {  in switch_port_to_device()
115 		ssusb_port0_switch(ssusb, USB3_PORT, false);  in switch_port_to_device()
119 	ssusb_check_clocks(ssusb, check_clk);  in switch_port_to_device()
124 	struct ssusb_mtk *ssusb =  in ssusb_set_vbus()  local
133 	dev_dbg(ssusb->dev, "%s: turn %s\n", __func__, is_on ? "on" : "off");  in ssusb_set_vbus()
138 			dev_err(ssusb->dev, "vbus regulator enable failed\n");  in ssusb_set_vbus()
155 	struct ssusb_mtk *ssusb =  in ssusb_set_mailbox()  local
157 	struct mtu3 *mtu = ssusb->u3d;  in ssusb_set_mailbox()
159 	dev_dbg(ssusb->dev, "mailbox %s\n", mailbox_state_string(status));  in ssusb_set_mailbox()
160 	mtu3_dbg_trace(ssusb->dev, "mailbox %s", mailbox_state_string(status));  in ssusb_set_mailbox()
164 		switch_port_to_host(ssusb);  in ssusb_set_mailbox()
166 		ssusb->is_host = true;  in ssusb_set_mailbox()
169 		ssusb->is_host = false;  in ssusb_set_mailbox()
171 		switch_port_to_device(ssusb);  in ssusb_set_mailbox()
175 		pm_relax(ssusb->dev);  in ssusb_set_mailbox()
179 		pm_stay_awake(ssusb->dev);  in ssusb_set_mailbox()
183 		dev_err(ssusb->dev, "invalid state\n");  in ssusb_set_mailbox()
239 	struct ssusb_mtk *ssusb =  in ssusb_extcon_register()  local
249 	ret = devm_extcon_register_notifier(ssusb->dev, edev, EXTCON_USB,  in ssusb_extcon_register()
252 		dev_err(ssusb->dev, "failed to register notifier for USB\n");  in ssusb_extcon_register()
257 	ret = devm_extcon_register_notifier(ssusb->dev, edev, EXTCON_USB_HOST,  in ssusb_extcon_register()
260 		dev_err(ssusb->dev, "failed to register notifier for USB-HOST\n");  in ssusb_extcon_register()
264 	dev_dbg(ssusb->dev, "EXTCON_USB: %d, EXTCON_USB_HOST: %d\n",  in ssusb_extcon_register()
283 void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)  in ssusb_mode_switch()  argument
285 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_mode_switch()
288 		ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST);  in ssusb_mode_switch()
292 		ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_DEVICE);  in ssusb_mode_switch()
298 void ssusb_set_force_mode(struct ssusb_mtk *ssusb,  in ssusb_set_force_mode()  argument
303 	value = mtu3_readl(ssusb->ippc_base, SSUSB_U2_CTRL(0));  in ssusb_set_force_mode()
318 	mtu3_writel(ssusb->ippc_base, SSUSB_U2_CTRL(0), value);  in ssusb_set_force_mode()
323 	struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);  in ssusb_role_sw_set()  local
329 	if (to_host ^ ssusb->is_host)  in ssusb_role_sw_set()
330 		ssusb_mode_switch(ssusb, to_host);  in ssusb_role_sw_set()
337 	struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);  in ssusb_role_sw_get()  local
340 	role = ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;  in ssusb_role_sw_get()
348 	struct ssusb_mtk *ssusb =  in ssusb_role_sw_register()  local
356 	role_sx_desc.fwnode = dev_fwnode(ssusb->dev);  in ssusb_role_sw_register()
357 	role_sx_desc.driver_data = ssusb;  in ssusb_role_sw_register()
358 	otg_sx->role_sw = usb_role_switch_register(ssusb->dev, &role_sx_desc);  in ssusb_role_sw_register()
363 int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)  in ssusb_otg_switch_init()  argument
365 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_otg_switch_init()
372 		ssusb_dr_debugfs_init(ssusb);  in ssusb_otg_switch_init()
381 void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)  in ssusb_otg_switch_exit()  argument
383 	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;  in ssusb_otg_switch_exit()