Lines Matching refs:musb
72 struct platform_device *musb;
81 static void am35x_musb_enable(struct musb *musb)
83 void __iomem *reg_base = musb->ctrl_base;
87 epmask = ((musb->epmask & AM35X_TX_EP_MASK) << AM35X_INTR_TX_SHIFT) |
88 ((musb->epmask & AM35X_RX_EP_MASK) << AM35X_INTR_RX_SHIFT);
101 static void am35x_musb_disable(struct musb *musb)
103 void __iomem *reg_base = musb->ctrl_base;
113 static void am35x_musb_set_vbus(struct musb *musb, int is_on)
115 WARN_ON(is_on && is_peripheral_active(musb));
122 struct musb *musb = from_timer(musb, t, dev_timer);
123 void __iomem *mregs = musb->mregs;
132 dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl,
133 usb_otg_state_string(musb->xceiv->otg->state));
135 spin_lock_irqsave(&musb->lock, flags);
136 switch (musb->xceiv->otg->state) {
139 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
141 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
143 musb->xceiv->otg->state = OTG_STATE_B_IDLE;
144 MUSB_DEV_MODE(musb);
146 musb->xceiv->otg->state = OTG_STATE_A_IDLE;
147 MUSB_HST_MODE(musb);
151 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;
152 musb_writel(musb->ctrl_base, CORE_INTR_SRC_SET_REG,
158 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ);
160 musb->xceiv->otg->state = OTG_STATE_A_IDLE;
165 spin_unlock_irqrestore(&musb->lock, flags);
168 static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout)
176 if (musb->is_active || (musb->a_wait_bcon == 0 &&
177 musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON)) {
178 dev_dbg(musb->controller, "%s active, deleting timer\n",
179 usb_otg_state_string(musb->xceiv->otg->state));
180 del_timer(&musb->dev_timer);
185 if (time_after(last_timer, timeout) && timer_pending(&musb->dev_timer)) {
186 dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n");
191 dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n",
192 usb_otg_state_string(musb->xceiv->otg->state),
194 mod_timer(&musb->dev_timer, timeout);
199 struct musb *musb = hci;
200 void __iomem *reg_base = musb->ctrl_base;
201 struct device *dev = musb->controller;
208 spin_lock_irqsave(&musb->lock, flags);
216 musb->int_rx =
218 musb->int_tx =
230 musb->int_usb =
243 void __iomem *mregs = musb->mregs;
247 err = musb->int_usb & MUSB_INTR_VBUSERROR;
260 musb->int_usb &= ~MUSB_INTR_VBUSERROR;
261 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL;
262 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ);
265 MUSB_HST_MODE(musb);
266 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;
267 portstate(musb->port1_status |= USB_PORT_STAT_POWER);
268 del_timer(&musb->dev_timer);
270 musb->is_active = 0;
271 MUSB_DEV_MODE(musb);
272 musb->xceiv->otg->state = OTG_STATE_B_IDLE;
273 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER);
277 dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
279 usb_otg_state_string(musb->xceiv->otg->state),
286 if (musb->int_usb & MUSB_INTR_DISCONNECT) {
287 musb->int_tx = 0;
288 musb->int_rx = 0;
291 if (musb->int_tx || musb->int_rx || musb->int_usb)
292 ret |= musb_interrupt(musb);
305 if (musb->xceiv->otg->state == OTG_STATE_B_IDLE)
306 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ);
308 spin_unlock_irqrestore(&musb->lock, flags);
313 static int am35x_musb_set_mode(struct musb *musb, u8 musb_mode)
315 struct device *dev = musb->controller;
328 static int am35x_musb_init(struct musb *musb)
330 struct device *dev = musb->controller;
333 void __iomem *reg_base = musb->ctrl_base;
336 musb->mregs += USB_MENTOR_CORE_OFFSET;
343 musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
344 if (IS_ERR_OR_NULL(musb->xceiv))
347 timer_setup(&musb->dev_timer, otg_timer, 0);
349 /* Reset the musb */
362 musb->isr = am35x_musb_interrupt;
371 static int am35x_musb_exit(struct musb *musb)
373 struct device *dev = musb->controller;
377 del_timer_sync(&musb->dev_timer);
383 usb_put_phy(musb->xceiv);
438 .name = "musb-hdrc",
446 struct platform_device *musb;
504 glue->musb = musb = platform_device_register_full(&pinfo);
505 if (IS_ERR(musb)) {
506 ret = PTR_ERR(musb);
507 dev_err(&pdev->dev, "failed to register musb device: %d\n", ret);
539 platform_device_unregister(glue->musb);
600 .name = "musb-am35x",