Lines Matching defs:tu
65 struct tahvo_usb *tu = dev_get_drvdata(device);
66 return sprintf(buf, "%s\n", tu->vbus_state ? "on" : "off");
70 static void check_vbus_state(struct tahvo_usb *tu)
72 struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
77 switch (tu->phy.otg->state) {
80 if (tu->phy.otg->gadget)
81 usb_gadget_vbus_connect(tu->phy.otg->gadget);
82 tu->phy.otg->state = OTG_STATE_B_PERIPHERAL;
83 usb_phy_set_event(&tu->phy, USB_EVENT_ENUMERATED);
90 tu->phy.otg->state = OTG_STATE_A_HOST;
95 dev_info(&tu->pt_dev->dev, "USB cable connected\n");
97 switch (tu->phy.otg->state) {
99 if (tu->phy.otg->gadget)
100 usb_gadget_vbus_disconnect(tu->phy.otg->gadget);
101 tu->phy.otg->state = OTG_STATE_B_IDLE;
102 usb_phy_set_event(&tu->phy, USB_EVENT_NONE);
105 tu->phy.otg->state = OTG_STATE_A_IDLE;
110 dev_info(&tu->pt_dev->dev, "USB cable disconnected\n");
113 prev_state = tu->vbus_state;
114 tu->vbus_state = reg & TAHVO_STAT_VBUS;
115 if (prev_state != tu->vbus_state) {
116 extcon_set_state_sync(tu->extcon, EXTCON_USB, tu->vbus_state);
117 sysfs_notify(&tu->pt_dev->dev.kobj, NULL, "vbus_state");
121 static void tahvo_usb_become_host(struct tahvo_usb *tu)
123 struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
125 extcon_set_state_sync(tu->extcon, EXTCON_USB_HOST, true);
130 tu->phy.otg->state = OTG_STATE_A_IDLE;
132 check_vbus_state(tu);
135 static void tahvo_usb_stop_host(struct tahvo_usb *tu)
137 tu->phy.otg->state = OTG_STATE_A_IDLE;
140 static void tahvo_usb_become_peripheral(struct tahvo_usb *tu)
142 struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
144 extcon_set_state_sync(tu->extcon, EXTCON_USB_HOST, false);
149 tu->phy.otg->state = OTG_STATE_B_IDLE;
151 check_vbus_state(tu);
154 static void tahvo_usb_stop_peripheral(struct tahvo_usb *tu)
156 if (tu->phy.otg->gadget)
157 usb_gadget_vbus_disconnect(tu->phy.otg->gadget);
158 tu->phy.otg->state = OTG_STATE_B_IDLE;
161 static void tahvo_usb_power_off(struct tahvo_usb *tu)
163 struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
166 if (tu->phy.otg->gadget)
167 usb_gadget_vbus_disconnect(tu->phy.otg->gadget);
171 tu->phy.otg->state = OTG_STATE_UNDEFINED;
176 struct tahvo_usb *tu = container_of(dev, struct tahvo_usb, phy);
177 struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
180 dev_dbg(&tu->pt_dev->dev, "%s\n", __func__);
194 struct tahvo_usb *tu = container_of(otg->usb_phy, struct tahvo_usb,
197 dev_dbg(&tu->pt_dev->dev, "%s %p\n", __func__, host);
199 mutex_lock(&tu->serialize);
202 if (tu->tahvo_mode == TAHVO_MODE_HOST)
203 tahvo_usb_power_off(tu);
205 mutex_unlock(&tu->serialize);
209 if (tu->tahvo_mode == TAHVO_MODE_HOST) {
211 tahvo_usb_become_host(tu);
216 mutex_unlock(&tu->serialize);
224 struct tahvo_usb *tu = container_of(otg->usb_phy, struct tahvo_usb,
227 dev_dbg(&tu->pt_dev->dev, "%s %p\n", __func__, gadget);
229 mutex_lock(&tu->serialize);
232 if (tu->tahvo_mode == TAHVO_MODE_PERIPHERAL)
233 tahvo_usb_power_off(tu);
234 tu->phy.otg->gadget = NULL;
235 mutex_unlock(&tu->serialize);
239 tu->phy.otg->gadget = gadget;
240 if (tu->tahvo_mode == TAHVO_MODE_PERIPHERAL)
241 tahvo_usb_become_peripheral(tu);
243 mutex_unlock(&tu->serialize);
250 struct tahvo_usb *tu = _tu;
252 mutex_lock(&tu->serialize);
253 check_vbus_state(tu);
254 mutex_unlock(&tu->serialize);
262 struct tahvo_usb *tu = dev_get_drvdata(device);
264 switch (tu->tahvo_mode) {
278 struct tahvo_usb *tu = dev_get_drvdata(device);
281 mutex_lock(&tu->serialize);
283 if (tu->tahvo_mode == TAHVO_MODE_PERIPHERAL)
284 tahvo_usb_stop_peripheral(tu);
285 tu->tahvo_mode = TAHVO_MODE_HOST;
286 if (tu->phy.otg->host) {
288 tahvo_usb_become_host(tu);
291 tahvo_usb_power_off(tu);
295 if (tu->tahvo_mode == TAHVO_MODE_HOST)
296 tahvo_usb_stop_host(tu);
297 tu->tahvo_mode = TAHVO_MODE_PERIPHERAL;
298 if (tu->phy.otg->gadget) {
300 tahvo_usb_become_peripheral(tu);
303 tahvo_usb_power_off(tu);
309 mutex_unlock(&tu->serialize);
325 struct tahvo_usb *tu;
328 tu = devm_kzalloc(&pdev->dev, sizeof(*tu), GFP_KERNEL);
329 if (!tu)
332 tu->phy.otg = devm_kzalloc(&pdev->dev, sizeof(*tu->phy.otg),
334 if (!tu->phy.otg)
337 tu->pt_dev = pdev;
341 tu->tahvo_mode = TAHVO_MODE_HOST;
343 tu->tahvo_mode = TAHVO_MODE_PERIPHERAL;
346 mutex_init(&tu->serialize);
348 tu->ick = devm_clk_get(&pdev->dev, "usb_l4_ick");
349 if (!IS_ERR(tu->ick))
350 clk_enable(tu->ick);
355 tu->vbus_state = retu_read(rdev, TAHVO_REG_IDSR) & TAHVO_STAT_VBUS;
357 tu->extcon = devm_extcon_dev_allocate(&pdev->dev, tahvo_cable);
358 if (IS_ERR(tu->extcon)) {
360 ret = PTR_ERR(tu->extcon);
364 ret = devm_extcon_dev_register(&pdev->dev, tu->extcon);
372 extcon_set_state_sync(tu->extcon, EXTCON_USB_HOST,
373 tu->tahvo_mode == TAHVO_MODE_HOST);
374 extcon_set_state_sync(tu->extcon, EXTCON_USB, tu->vbus_state);
377 tahvo_usb_power_off(tu);
378 tu->phy.dev = &pdev->dev;
379 tu->phy.otg->state = OTG_STATE_UNDEFINED;
380 tu->phy.label = DRIVER_NAME;
381 tu->phy.set_suspend = tahvo_usb_set_suspend;
383 tu->phy.otg->usb_phy = &tu->phy;
384 tu->phy.otg->set_host = tahvo_usb_set_host;
385 tu->phy.otg->set_peripheral = tahvo_usb_set_peripheral;
387 ret = usb_add_phy(&tu->phy, USB_PHY_TYPE_USB2);
394 dev_set_drvdata(&pdev->dev, tu);
396 tu->irq = ret = platform_get_irq(pdev, 0);
399 ret = request_threaded_irq(tu->irq, NULL, tahvo_usb_vbus_interrupt,
401 "tahvo-vbus", tu);
411 usb_remove_phy(&tu->phy);
413 if (!IS_ERR(tu->ick))
414 clk_disable(tu->ick);
421 struct tahvo_usb *tu = platform_get_drvdata(pdev);
423 free_irq(tu->irq, tu);
424 usb_remove_phy(&tu->phy);
425 if (!IS_ERR(tu->ick))
426 clk_disable(tu->ick);