Lines Matching refs:ssusb
23 static void toggle_opstate(struct ssusb_mtk *ssusb)
25 mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);
26 mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);
30 static int ssusb_port0_switch(struct ssusb_mtk *ssusb,
33 void __iomem *ibase = ssusb->ippc_base;
36 dev_dbg(ssusb->dev, "%s (switch u%d port0 to %s)\n", __func__,
68 static void switch_port_to_host(struct ssusb_mtk *ssusb)
72 dev_dbg(ssusb->dev, "%s\n", __func__);
74 ssusb_port0_switch(ssusb, USB2_PORT, true);
76 if (ssusb->otg_switch.is_u3_drd) {
77 ssusb_port0_switch(ssusb, USB3_PORT, true);
81 ssusb_check_clocks(ssusb, check_clk);
84 toggle_opstate(ssusb);
87 static void switch_port_to_device(struct ssusb_mtk *ssusb)
91 dev_dbg(ssusb->dev, "%s\n", __func__);
93 ssusb_port0_switch(ssusb, USB2_PORT, false);
95 if (ssusb->otg_switch.is_u3_drd) {
96 ssusb_port0_switch(ssusb, USB3_PORT, false);
100 ssusb_check_clocks(ssusb, check_clk);
105 struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
113 dev_dbg(ssusb->dev, "%s: turn %s\n", __func__, str_on_off(is_on));
118 dev_err(ssusb->dev, "vbus regulator enable failed\n");
132 struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
133 struct mtu3 *mtu = ssusb->u3d;
137 current_role = ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
149 dev_dbg(ssusb->dev, "set role : %s\n", usb_role_string(desired_role));
150 mtu3_dbg_trace(ssusb->dev, "set role : %s", usb_role_string(desired_role));
151 pm_runtime_get_sync(ssusb->dev);
155 ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST);
157 switch_port_to_host(ssusb);
159 ssusb->is_host = true;
162 ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_DEVICE);
163 ssusb->is_host = false;
165 switch_port_to_device(ssusb);
170 dev_err(ssusb->dev, "invalid role\n");
172 pm_runtime_put(ssusb->dev);
177 struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
179 if (ssusb->dr_mode != USB_DR_MODE_OTG)
199 struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
208 ret = devm_extcon_register_notifier(ssusb->dev, edev, EXTCON_USB_HOST,
211 dev_err(ssusb->dev, "failed to register notifier for USB-HOST\n");
216 dev_dbg(ssusb->dev, "EXTCON_USB_HOST: %d\n", ret);
231 void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)
233 struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;
238 void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
243 value = mtu3_readl(ssusb->ippc_base, SSUSB_U2_CTRL(0));
258 mtu3_writel(ssusb->ippc_base, SSUSB_U2_CTRL(0), value);
263 struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
264 struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;
273 struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
275 return ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
281 struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
282 struct device *dev = ssusb->dev;
297 role_sx_desc.driver_data = ssusb;
308 int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
310 struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;
316 ssusb_dr_debugfs_init(ssusb);
325 void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)
327 struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;