Lines Matching refs:musb
72 struct platform_device *musb; member
81 static void am35x_musb_enable(struct musb *musb) in am35x_musb_enable() argument
83 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_enable()
87 epmask = ((musb->epmask & AM35X_TX_EP_MASK) << AM35X_INTR_TX_SHIFT) | in am35x_musb_enable()
88 ((musb->epmask & AM35X_RX_EP_MASK) << AM35X_INTR_RX_SHIFT); in am35x_musb_enable()
101 static void am35x_musb_disable(struct musb *musb) in am35x_musb_disable() argument
103 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_disable()
113 static void am35x_musb_set_vbus(struct musb *musb, int is_on) in am35x_musb_set_vbus() argument
115 WARN_ON(is_on && is_peripheral_active(musb)); in am35x_musb_set_vbus()
122 struct musb *musb = from_timer(musb, t, dev_timer); in otg_timer() local
123 void __iomem *mregs = musb->mregs; in otg_timer()
132 dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, in otg_timer()
133 usb_otg_state_string(musb->xceiv->otg->state)); in otg_timer()
135 spin_lock_irqsave(&musb->lock, flags); in otg_timer()
136 switch (musb->xceiv->otg->state) { in otg_timer()
139 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in otg_timer()
141 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in otg_timer()
143 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in otg_timer()
144 MUSB_DEV_MODE(musb); in otg_timer()
146 musb->xceiv->otg->state = OTG_STATE_A_IDLE; in otg_timer()
147 MUSB_HST_MODE(musb); in otg_timer()
151 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in otg_timer()
152 musb_writel(musb->ctrl_base, CORE_INTR_SRC_SET_REG, in otg_timer()
158 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); in otg_timer()
160 musb->xceiv->otg->state = OTG_STATE_A_IDLE; in otg_timer()
165 spin_unlock_irqrestore(&musb->lock, flags); in otg_timer()
168 static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) in am35x_musb_try_idle() argument
176 if (musb->is_active || (musb->a_wait_bcon == 0 && in am35x_musb_try_idle()
177 musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON)) { in am35x_musb_try_idle()
178 dev_dbg(musb->controller, "%s active, deleting timer\n", in am35x_musb_try_idle()
179 usb_otg_state_string(musb->xceiv->otg->state)); in am35x_musb_try_idle()
180 del_timer(&musb->dev_timer); in am35x_musb_try_idle()
185 if (time_after(last_timer, timeout) && timer_pending(&musb->dev_timer)) { in am35x_musb_try_idle()
186 dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); in am35x_musb_try_idle()
191 dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", in am35x_musb_try_idle()
192 usb_otg_state_string(musb->xceiv->otg->state), in am35x_musb_try_idle()
194 mod_timer(&musb->dev_timer, timeout); in am35x_musb_try_idle()
199 struct musb *musb = hci; in am35x_musb_interrupt() local
200 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_interrupt()
201 struct device *dev = musb->controller; in am35x_musb_interrupt()
208 spin_lock_irqsave(&musb->lock, flags); in am35x_musb_interrupt()
216 musb->int_rx = in am35x_musb_interrupt()
218 musb->int_tx = in am35x_musb_interrupt()
230 musb->int_usb = in am35x_musb_interrupt()
243 void __iomem *mregs = musb->mregs; in am35x_musb_interrupt()
247 err = musb->int_usb & MUSB_INTR_VBUSERROR; in am35x_musb_interrupt()
260 musb->int_usb &= ~MUSB_INTR_VBUSERROR; in am35x_musb_interrupt()
261 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; in am35x_musb_interrupt()
262 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); in am35x_musb_interrupt()
265 MUSB_HST_MODE(musb); in am35x_musb_interrupt()
266 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in am35x_musb_interrupt()
267 portstate(musb->port1_status |= USB_PORT_STAT_POWER); in am35x_musb_interrupt()
268 del_timer(&musb->dev_timer); in am35x_musb_interrupt()
270 musb->is_active = 0; in am35x_musb_interrupt()
271 MUSB_DEV_MODE(musb); in am35x_musb_interrupt()
272 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in am35x_musb_interrupt()
273 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); in am35x_musb_interrupt()
277 dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", in am35x_musb_interrupt()
279 usb_otg_state_string(musb->xceiv->otg->state), in am35x_musb_interrupt()
286 if (musb->int_usb & MUSB_INTR_DISCONNECT) { in am35x_musb_interrupt()
287 musb->int_tx = 0; in am35x_musb_interrupt()
288 musb->int_rx = 0; in am35x_musb_interrupt()
291 if (musb->int_tx || musb->int_rx || musb->int_usb) in am35x_musb_interrupt()
292 ret |= musb_interrupt(musb); in am35x_musb_interrupt()
305 if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) in am35x_musb_interrupt()
306 mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); in am35x_musb_interrupt()
308 spin_unlock_irqrestore(&musb->lock, flags); in am35x_musb_interrupt()
313 static int am35x_musb_set_mode(struct musb *musb, u8 musb_mode) in am35x_musb_set_mode() argument
315 struct device *dev = musb->controller; in am35x_musb_set_mode()
328 static int am35x_musb_init(struct musb *musb) in am35x_musb_init() argument
330 struct device *dev = musb->controller; in am35x_musb_init()
333 void __iomem *reg_base = musb->ctrl_base; in am35x_musb_init()
336 musb->mregs += USB_MENTOR_CORE_OFFSET; in am35x_musb_init()
343 musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); in am35x_musb_init()
344 if (IS_ERR_OR_NULL(musb->xceiv)) in am35x_musb_init()
347 timer_setup(&musb->dev_timer, otg_timer, 0); in am35x_musb_init()
362 musb->isr = am35x_musb_interrupt; in am35x_musb_init()
371 static int am35x_musb_exit(struct musb *musb) in am35x_musb_exit() argument
373 struct device *dev = musb->controller; in am35x_musb_exit()
377 del_timer_sync(&musb->dev_timer); in am35x_musb_exit()
383 usb_put_phy(musb->xceiv); in am35x_musb_exit()
446 struct platform_device *musb; in am35x_probe() local
504 glue->musb = musb = platform_device_register_full(&pinfo); in am35x_probe()
505 if (IS_ERR(musb)) { in am35x_probe()
506 ret = PTR_ERR(musb); in am35x_probe()
539 platform_device_unregister(glue->musb); in am35x_remove()