Lines Matching refs:musb
88 struct platform_device *musb; member
92 #define glue_to_musb(g) platform_get_drvdata(g->musb)
97 static void am35x_musb_enable(struct musb *musb) in am35x_musb_enable() argument
99 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_enable()
103 epmask = ((musb->epmask & AM35X_TX_EP_MASK) << AM35X_INTR_TX_SHIFT) | in am35x_musb_enable()
104 ((musb->epmask & AM35X_RX_EP_MASK) << AM35X_INTR_RX_SHIFT); in am35x_musb_enable()
117 static void am35x_musb_disable(struct musb *musb) in am35x_musb_disable() argument
119 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_disable()
124 musb_writeb(musb->mregs, MUSB_DEVCTL, 0); in am35x_musb_disable()
130 static void am35x_musb_set_vbus(struct musb *musb, int is_on) in am35x_musb_set_vbus() argument
132 WARN_ON(is_on && is_peripheral_active(musb)); in am35x_musb_set_vbus()
141 struct musb *musb = (void *)_musb; in otg_timer() local
142 void __iomem *mregs = musb->mregs; in otg_timer()
151 dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, in otg_timer()
152 usb_otg_state_string(musb->xceiv->state)); in otg_timer()
154 spin_lock_irqsave(&musb->lock, flags); in otg_timer()
155 switch (musb->xceiv->state) { in otg_timer()
158 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in otg_timer()
160 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in otg_timer()
162 musb->xceiv->state = OTG_STATE_B_IDLE; in otg_timer()
163 MUSB_DEV_MODE(musb); in otg_timer()
165 musb->xceiv->state = OTG_STATE_A_IDLE; in otg_timer()
166 MUSB_HST_MODE(musb); in otg_timer()
170 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; in otg_timer()
171 musb_writel(musb->ctrl_base, CORE_INTR_SRC_SET_REG, in otg_timer()
179 musb->xceiv->state = OTG_STATE_A_IDLE; in otg_timer()
184 spin_unlock_irqrestore(&musb->lock, flags); in otg_timer()
187 static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) in am35x_musb_try_idle() argument
195 if (musb->is_active || (musb->a_wait_bcon == 0 && in am35x_musb_try_idle()
196 musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) { in am35x_musb_try_idle()
197 dev_dbg(musb->controller, "%s active, deleting timer\n", in am35x_musb_try_idle()
198 usb_otg_state_string(musb->xceiv->state)); in am35x_musb_try_idle()
205 dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); in am35x_musb_try_idle()
210 dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", in am35x_musb_try_idle()
211 usb_otg_state_string(musb->xceiv->state), in am35x_musb_try_idle()
218 struct musb *musb = hci; in am35x_musb_interrupt() local
219 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_interrupt()
220 struct device *dev = musb->controller; in am35x_musb_interrupt()
223 struct usb_otg *otg = musb->xceiv->otg; in am35x_musb_interrupt()
228 spin_lock_irqsave(&musb->lock, flags); in am35x_musb_interrupt()
236 musb->int_rx = in am35x_musb_interrupt()
238 musb->int_tx = in am35x_musb_interrupt()
250 musb->int_usb = in am35x_musb_interrupt()
263 void __iomem *mregs = musb->mregs; in am35x_musb_interrupt()
267 err = musb->int_usb & MUSB_INTR_VBUSERROR; in am35x_musb_interrupt()
280 musb->int_usb &= ~MUSB_INTR_VBUSERROR; in am35x_musb_interrupt()
281 musb->xceiv->state = OTG_STATE_A_WAIT_VFALL; in am35x_musb_interrupt()
285 MUSB_HST_MODE(musb); in am35x_musb_interrupt()
287 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; in am35x_musb_interrupt()
288 portstate(musb->port1_status |= USB_PORT_STAT_POWER); in am35x_musb_interrupt()
291 musb->is_active = 0; in am35x_musb_interrupt()
292 MUSB_DEV_MODE(musb); in am35x_musb_interrupt()
294 musb->xceiv->state = OTG_STATE_B_IDLE; in am35x_musb_interrupt()
295 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); in am35x_musb_interrupt()
299 dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", in am35x_musb_interrupt()
301 usb_otg_state_string(musb->xceiv->state), in am35x_musb_interrupt()
308 if (musb->int_usb & MUSB_INTR_DISCONNECT) { in am35x_musb_interrupt()
309 musb->int_tx = 0; in am35x_musb_interrupt()
310 musb->int_rx = 0; in am35x_musb_interrupt()
313 if (musb->int_tx || musb->int_rx || musb->int_usb) in am35x_musb_interrupt()
314 ret |= musb_interrupt(musb); in am35x_musb_interrupt()
327 if (musb->xceiv->state == OTG_STATE_B_IDLE) in am35x_musb_interrupt()
330 spin_unlock_irqrestore(&musb->lock, flags); in am35x_musb_interrupt()
335 static int am35x_musb_set_mode(struct musb *musb, u8 musb_mode) in am35x_musb_set_mode() argument
337 struct device *dev = musb->controller; in am35x_musb_set_mode()
350 static int am35x_musb_init(struct musb *musb) in am35x_musb_init() argument
352 struct device *dev = musb->controller; in am35x_musb_init()
355 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_init()
358 musb->mregs += USB_MENTOR_CORE_OFFSET; in am35x_musb_init()
366 musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); in am35x_musb_init()
367 if (IS_ERR_OR_NULL(musb->xceiv)) in am35x_musb_init()
370 setup_timer(&otg_workaround, otg_timer, (unsigned long) musb); in am35x_musb_init()
385 musb->isr = am35x_musb_interrupt; in am35x_musb_init()
394 static int am35x_musb_exit(struct musb *musb) in am35x_musb_exit() argument
396 struct device *dev = musb->controller; in am35x_musb_exit()
406 usb_put_phy(musb->xceiv); in am35x_musb_exit()
460 struct platform_device *musb; in am35x_probe() local
474 musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO); in am35x_probe()
475 if (!musb) { in am35x_probe()
506 musb->dev.parent = &pdev->dev; in am35x_probe()
507 musb->dev.dma_mask = &am35x_dmamask; in am35x_probe()
508 musb->dev.coherent_dma_mask = am35x_dmamask; in am35x_probe()
511 glue->musb = musb; in am35x_probe()
519 ret = platform_device_add_resources(musb, pdev->resource, in am35x_probe()
526 ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); in am35x_probe()
532 ret = platform_device_add(musb); in am35x_probe()
553 platform_device_put(musb); in am35x_probe()
566 platform_device_unregister(glue->musb); in am35x_remove()