57 	struct platform_device	*musb;  member
93 static void davinci_musb_enable(struct musb *musb)  in davinci_musb_enable()  argument
98 	tmp = (musb->epmask & DAVINCI_USB_TX_ENDPTS_MASK)  in davinci_musb_enable()
100 	musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp);  in davinci_musb_enable()
102 	tmp = (musb->epmask & (0xfffe & DAVINCI_USB_RX_ENDPTS_MASK))  in davinci_musb_enable()
104 	musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp);  in davinci_musb_enable()
109 	musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp);  in davinci_musb_enable()
118 	musb_writel(musb->ctrl_base, DAVINCI_USB_INT_SET_REG,  in davinci_musb_enable()
125 static void davinci_musb_disable(struct musb *musb)  in davinci_musb_disable()  argument
132 	musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_CLR_REG,  in davinci_musb_disable()
136 	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);  in davinci_musb_disable()
137 	musb_writel(musb->ctrl_base, DAVINCI_USB_EOI_REG, 0);  in davinci_musb_disable()
171 static void davinci_musb_source_power(struct musb *musb, int is_on, int immediate)  in davinci_musb_source_power()  argument
194 static void davinci_musb_set_vbus(struct musb *musb, int is_on)  in davinci_musb_set_vbus()  argument
196 	WARN_ON(is_on && is_peripheral_active(musb));  in davinci_musb_set_vbus()
197 	davinci_musb_source_power(musb, is_on, 0);  in davinci_musb_set_vbus()
207 	struct musb		*musb = (void *)_musb;  in otg_timer()  local
208 	void __iomem		*mregs = musb->mregs;  in otg_timer()
216 	dev_dbg(musb->controller, "poll devctl %02x (%s)\n", devctl,  in otg_timer()
217 		usb_otg_state_string(musb->xceiv->otg->state));  in otg_timer()
219 	spin_lock_irqsave(&musb->lock, flags);  in otg_timer()
220 	switch (musb->xceiv->otg->state) {  in otg_timer()
231 		musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;  in otg_timer()
232 		musb_writel(musb->ctrl_base, DAVINCI_USB_INT_SET_REG,  in otg_timer()
254 			musb->xceiv->otg->state = OTG_STATE_A_IDLE;  in otg_timer()
259 	spin_unlock_irqrestore(&musb->lock, flags);  in otg_timer()
266 	struct musb	*musb = __hci;  in davinci_musb_interrupt()  local
267 	struct usb_otg	*otg = musb->xceiv->otg;  in davinci_musb_interrupt()
268 	void __iomem	*tibase = musb->ctrl_base;  in davinci_musb_interrupt()
272 	spin_lock_irqsave(&musb->lock, flags);  in davinci_musb_interrupt()
286 	cppi = container_of(musb->dma_controller, struct cppi, controller);  in davinci_musb_interrupt()
287 	if (is_cppi_enabled(musb) && musb->dma_controller && !cppi->irq)  in davinci_musb_interrupt()
293 	dev_dbg(musb->controller, "IRQ %08x\n", tmp);  in davinci_musb_interrupt()
295 	musb->int_rx = (tmp & DAVINCI_USB_RXINT_MASK)  in davinci_musb_interrupt()
297 	musb->int_tx = (tmp & DAVINCI_USB_TXINT_MASK)  in davinci_musb_interrupt()
299 	musb->int_usb = (tmp & DAVINCI_USB_USBINT_MASK)  in davinci_musb_interrupt()
311 		void __iomem *mregs = musb->mregs;  in davinci_musb_interrupt()
313 		int	err = musb->int_usb & MUSB_INTR_VBUSERROR;  in davinci_musb_interrupt()
315 		err = musb->int_usb & MUSB_INTR_VBUSERROR;  in davinci_musb_interrupt()
327 			musb->int_usb &= ~MUSB_INTR_VBUSERROR;  in davinci_musb_interrupt()
328 			musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL;  in davinci_musb_interrupt()
332 			MUSB_HST_MODE(musb);  in davinci_musb_interrupt()
334 			musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;  in davinci_musb_interrupt()
335 			portstate(musb->port1_status |= USB_PORT_STAT_POWER);  in davinci_musb_interrupt()
338 			musb->is_active = 0;  in davinci_musb_interrupt()
339 			MUSB_DEV_MODE(musb);  in davinci_musb_interrupt()
341 			musb->xceiv->otg->state = OTG_STATE_B_IDLE;  in davinci_musb_interrupt()
342 			portstate(musb->port1_status &= ~USB_PORT_STAT_POWER);  in davinci_musb_interrupt()
348 		davinci_musb_source_power(musb, drvvbus, 0);  in davinci_musb_interrupt()
349 		dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",  in davinci_musb_interrupt()
351 				usb_otg_state_string(musb->xceiv->otg->state),  in davinci_musb_interrupt()
357 	if (musb->int_tx || musb->int_rx || musb->int_usb)  in davinci_musb_interrupt()
358 		retval |= musb_interrupt(musb);  in davinci_musb_interrupt()
364 	if (musb->xceiv->otg->state == OTG_STATE_B_IDLE)  in davinci_musb_interrupt()
367 	spin_unlock_irqrestore(&musb->lock, flags);  in davinci_musb_interrupt()
372 static int davinci_musb_set_mode(struct musb *musb, u8 mode)  in davinci_musb_set_mode()  argument
378 static int davinci_musb_init(struct musb *musb)  in davinci_musb_init()  argument
380 	void __iomem	*tibase = musb->ctrl_base;  in davinci_musb_init()
384 	musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);  in davinci_musb_init()
385 	if (IS_ERR_OR_NULL(musb->xceiv)) {  in davinci_musb_init()
390 	musb->mregs += DAVINCI_BASE_OFFSET;  in davinci_musb_init()
397 	setup_timer(&otg_workaround, otg_timer, (unsigned long) musb);  in davinci_musb_init()
399 	davinci_musb_source_power(musb, 0, 1);  in davinci_musb_init()
435 	musb->isr = davinci_musb_interrupt;  in davinci_musb_init()
439 	usb_put_phy(musb->xceiv);  in davinci_musb_init()
445 static int davinci_musb_exit(struct musb *musb)  in davinci_musb_exit()  argument
458 	davinci_musb_source_power(musb, 0 /*off*/, 1);  in davinci_musb_exit()
461 	if (musb->xceiv->otg->default_a) {  in davinci_musb_exit()
469 			devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in davinci_musb_exit()
474 				dev_dbg(musb->controller, "VBUS %d\n",  in davinci_musb_exit()
483 			dev_dbg(musb->controller, "VBUS off timeout (devctl %02x)\n", devctl);  in davinci_musb_exit()
488 	usb_put_phy(musb->xceiv);  in davinci_musb_exit()
520 	struct platform_device		*musb;  in davinci_probe()  local
581 	glue->musb = musb = platform_device_register_full(&pinfo);  in davinci_probe()
582 	if (IS_ERR(musb)) {  in davinci_probe()
583 		ret = PTR_ERR(musb);  in davinci_probe()
601 	platform_device_unregister(glue->musb);  in davinci_remove()