Lines Matching refs:musb
88 struct platform_device *musb; member
147 static void da8xx_musb_enable(struct musb *musb) in da8xx_musb_enable() argument
149 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_enable()
153 mask = ((musb->epmask & DA8XX_USB_TX_EP_MASK) << DA8XX_INTR_TX_SHIFT) | in da8xx_musb_enable()
154 ((musb->epmask & DA8XX_USB_RX_EP_MASK) << DA8XX_INTR_RX_SHIFT) | in da8xx_musb_enable()
166 static void da8xx_musb_disable(struct musb *musb) in da8xx_musb_disable() argument
168 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_disable()
173 musb_writeb(musb->mregs, MUSB_DEVCTL, 0); in da8xx_musb_disable()
179 static void da8xx_musb_set_vbus(struct musb *musb, int is_on) in da8xx_musb_set_vbus() argument
181 WARN_ON(is_on && is_peripheral_active(musb)); in da8xx_musb_set_vbus()
190 struct musb *musb = (void *)_musb; in otg_timer() local
191 void __iomem *mregs = musb->mregs; in otg_timer()
200 dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, in otg_timer()
201 usb_otg_state_string(musb->xceiv->state)); in otg_timer()
203 spin_lock_irqsave(&musb->lock, flags); in otg_timer()
204 switch (musb->xceiv->state) { in otg_timer()
207 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in otg_timer()
209 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in otg_timer()
211 musb->xceiv->state = OTG_STATE_B_IDLE; in otg_timer()
212 MUSB_DEV_MODE(musb); in otg_timer()
214 musb->xceiv->state = OTG_STATE_A_IDLE; in otg_timer()
215 MUSB_HST_MODE(musb); in otg_timer()
229 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; in otg_timer()
230 musb_writel(musb->ctrl_base, DA8XX_USB_INTR_SRC_SET_REG, in otg_timer()
251 musb->xceiv->state = OTG_STATE_A_IDLE; in otg_timer()
256 spin_unlock_irqrestore(&musb->lock, flags); in otg_timer()
259 static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) in da8xx_musb_try_idle() argument
267 if (musb->is_active || (musb->a_wait_bcon == 0 && in da8xx_musb_try_idle()
268 musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) { in da8xx_musb_try_idle()
269 dev_dbg(musb->controller, "%s active, deleting timer\n", in da8xx_musb_try_idle()
270 usb_otg_state_string(musb->xceiv->state)); in da8xx_musb_try_idle()
277 dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); in da8xx_musb_try_idle()
282 dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", in da8xx_musb_try_idle()
283 usb_otg_state_string(musb->xceiv->state), in da8xx_musb_try_idle()
290 struct musb *musb = hci; in da8xx_musb_interrupt() local
291 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_interrupt()
292 struct usb_otg *otg = musb->xceiv->otg; in da8xx_musb_interrupt()
297 spin_lock_irqsave(&musb->lock, flags); in da8xx_musb_interrupt()
310 dev_dbg(musb->controller, "USB IRQ %08x\n", status); in da8xx_musb_interrupt()
312 musb->int_rx = (status & DA8XX_INTR_RX_MASK) >> DA8XX_INTR_RX_SHIFT; in da8xx_musb_interrupt()
313 musb->int_tx = (status & DA8XX_INTR_TX_MASK) >> DA8XX_INTR_TX_SHIFT; in da8xx_musb_interrupt()
314 musb->int_usb = (status & DA8XX_INTR_USB_MASK) >> DA8XX_INTR_USB_SHIFT; in da8xx_musb_interrupt()
326 void __iomem *mregs = musb->mregs; in da8xx_musb_interrupt()
330 err = musb->int_usb & MUSB_INTR_VBUSERROR; in da8xx_musb_interrupt()
343 musb->int_usb &= ~MUSB_INTR_VBUSERROR; in da8xx_musb_interrupt()
344 musb->xceiv->state = OTG_STATE_A_WAIT_VFALL; in da8xx_musb_interrupt()
348 MUSB_HST_MODE(musb); in da8xx_musb_interrupt()
350 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; in da8xx_musb_interrupt()
351 portstate(musb->port1_status |= USB_PORT_STAT_POWER); in da8xx_musb_interrupt()
354 musb->is_active = 0; in da8xx_musb_interrupt()
355 MUSB_DEV_MODE(musb); in da8xx_musb_interrupt()
357 musb->xceiv->state = OTG_STATE_B_IDLE; in da8xx_musb_interrupt()
358 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); in da8xx_musb_interrupt()
361 dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", in da8xx_musb_interrupt()
363 usb_otg_state_string(musb->xceiv->state), in da8xx_musb_interrupt()
369 if (musb->int_tx || musb->int_rx || musb->int_usb) in da8xx_musb_interrupt()
370 ret |= musb_interrupt(musb); in da8xx_musb_interrupt()
378 if (musb->xceiv->state == OTG_STATE_B_IDLE) in da8xx_musb_interrupt()
381 spin_unlock_irqrestore(&musb->lock, flags); in da8xx_musb_interrupt()
386 static int da8xx_musb_set_mode(struct musb *musb, u8 musb_mode) in da8xx_musb_set_mode() argument
402 dev_dbg(musb->controller, "Trying to set unsupported mode %u\n", musb_mode); in da8xx_musb_set_mode()
409 static int da8xx_musb_init(struct musb *musb) in da8xx_musb_init() argument
411 void __iomem *reg_base = musb->ctrl_base; in da8xx_musb_init()
415 musb->mregs += DA8XX_MENTOR_CORE_OFFSET; in da8xx_musb_init()
423 musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); in da8xx_musb_init()
424 if (IS_ERR_OR_NULL(musb->xceiv)) { in da8xx_musb_init()
429 setup_timer(&otg_workaround, otg_timer, (unsigned long)musb); in da8xx_musb_init()
444 musb->isr = da8xx_musb_interrupt; in da8xx_musb_init()
450 static int da8xx_musb_exit(struct musb *musb) in da8xx_musb_exit() argument
456 usb_put_phy(musb->xceiv); in da8xx_musb_exit()
480 struct platform_device *musb; in da8xx_probe() local
493 musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO); in da8xx_probe()
494 if (!musb) { in da8xx_probe()
512 musb->dev.parent = &pdev->dev; in da8xx_probe()
513 musb->dev.dma_mask = &da8xx_dmamask; in da8xx_probe()
514 musb->dev.coherent_dma_mask = da8xx_dmamask; in da8xx_probe()
517 glue->musb = musb; in da8xx_probe()
524 ret = platform_device_add_resources(musb, pdev->resource, in da8xx_probe()
531 ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); in da8xx_probe()
537 ret = platform_device_add(musb); in da8xx_probe()
552 platform_device_put(musb); in da8xx_probe()
565 platform_device_unregister(glue->musb); in da8xx_remove()