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