Lines Matching refs:udc
74 #define at91_udp_read(udc, reg) \ argument
75 __raw_readl((udc)->udp_baseaddr + (reg))
76 #define at91_udp_write(udc, reg, val) \ argument
77 __raw_writel((val), (udc)->udp_baseaddr + (reg))
99 struct at91_udc *udc = ep->udc; in proc_ep_show() local
101 spin_lock_irqsave(&udc->lock, flags); in proc_ep_show()
145 spin_unlock_irqrestore(&udc->lock, flags); in proc_ep_show()
169 struct at91_udc *udc = s->private; in proc_udc_show() local
176 udc->vbus ? "present" : "off", in proc_udc_show()
177 udc->enabled in proc_udc_show()
178 ? (udc->vbus ? "active" : "enabled") in proc_udc_show()
180 udc->gadget.is_selfpowered ? "self" : "VBUS", in proc_udc_show()
181 udc->suspended ? ", suspended" : "", in proc_udc_show()
182 udc->driver ? udc->driver->driver.name : "(none)"); in proc_udc_show()
185 if (!udc->clocked) { in proc_udc_show()
190 tmp = at91_udp_read(udc, AT91_UDP_FRM_NUM); in proc_udc_show()
196 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT); in proc_udc_show()
204 tmp = at91_udp_read(udc, AT91_UDP_FADDR); in proc_udc_show()
209 proc_irq_show(s, "imr ", at91_udp_read(udc, AT91_UDP_IMR)); in proc_udc_show()
210 proc_irq_show(s, "isr ", at91_udp_read(udc, AT91_UDP_ISR)); in proc_udc_show()
212 if (udc->enabled && udc->vbus) { in proc_udc_show()
213 proc_ep_show(s, &udc->ep[0]); in proc_udc_show()
214 list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) { in proc_udc_show()
235 static void create_debug_file(struct at91_udc *udc) in create_debug_file() argument
237 udc->pde = proc_create_data(debug_filename, 0, NULL, &proc_ops, udc); in create_debug_file()
240 static void remove_debug_file(struct at91_udc *udc) in remove_debug_file() argument
242 if (udc->pde) in remove_debug_file()
248 static inline void create_debug_file(struct at91_udc *udc) {} in create_debug_file() argument
249 static inline void remove_debug_file(struct at91_udc *udc) {} in remove_debug_file() argument
259 struct at91_udc *udc = ep->udc; in done() local
270 spin_unlock(&udc->lock); in done()
272 spin_lock(&udc->lock); in done()
277 at91_udp_write(udc, AT91_UDP_IDR, ep->int_mask); in done()
472 struct at91_udc *udc; in at91_ep_enable() local
486 udc = ep->udc; in at91_ep_enable()
487 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in at91_ep_enable()
521 spin_lock_irqsave(&udc->lock, flags); in at91_ep_enable()
539 at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); in at91_ep_enable()
540 at91_udp_write(udc, AT91_UDP_RST_EP, 0); in at91_ep_enable()
542 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_enable()
549 struct at91_udc *udc = ep->udc; in at91_ep_disable() local
552 if (ep == &ep->udc->ep[0]) in at91_ep_disable()
555 spin_lock_irqsave(&udc->lock, flags); in at91_ep_disable()
564 if (ep->udc->clocked) { in at91_ep_disable()
565 at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); in at91_ep_disable()
566 at91_udp_write(udc, AT91_UDP_RST_EP, 0); in at91_ep_disable()
570 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_disable()
606 struct at91_udc *udc; in at91_ep_queue() local
624 udc = ep->udc; in at91_ep_queue()
626 if (!udc || !udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in at91_ep_queue()
634 spin_lock_irqsave(&udc->lock, flags); in at91_ep_queue()
652 if (!udc->req_pending) { in at91_ep_queue()
661 if (udc->wait_for_config_ack) { in at91_ep_queue()
662 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT); in at91_ep_queue()
665 at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp); in at91_ep_queue()
675 udc->req_pending = 0; in at91_ep_queue()
694 at91_udp_write(udc, AT91_UDP_IER, ep->int_mask); in at91_ep_queue()
697 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_queue()
706 struct at91_udc *udc; in at91_ep_dequeue() local
712 udc = ep->udc; in at91_ep_dequeue()
714 spin_lock_irqsave(&udc->lock, flags); in at91_ep_dequeue()
722 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_dequeue()
727 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_dequeue()
734 struct at91_udc *udc = ep->udc; in at91_ep_set_halt() local
740 if (!_ep || ep->is_iso || !ep->udc->clocked) in at91_ep_set_halt()
744 spin_lock_irqsave(&udc->lock, flags); in at91_ep_set_halt()
762 at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); in at91_ep_set_halt()
763 at91_udp_write(udc, AT91_UDP_RST_EP, 0); in at91_ep_set_halt()
769 spin_unlock_irqrestore(&udc->lock, flags); in at91_ep_set_halt()
788 struct at91_udc *udc = to_udc(gadget); in at91_get_frame() local
792 return at91_udp_read(udc, AT91_UDP_FRM_NUM) & AT91_UDP_NUM; in at91_get_frame()
797 struct at91_udc *udc = to_udc(gadget); in at91_wakeup() local
803 spin_lock_irqsave(&udc->lock, flags); in at91_wakeup()
805 if (!udc->clocked || !udc->suspended) in at91_wakeup()
810 glbstate = at91_udp_read(udc, AT91_UDP_GLB_STAT); in at91_wakeup()
814 at91_udp_write(udc, AT91_UDP_GLB_STAT, glbstate); in at91_wakeup()
817 spin_unlock_irqrestore(&udc->lock, flags); in at91_wakeup()
822 static void udc_reinit(struct at91_udc *udc) in udc_reinit() argument
826 INIT_LIST_HEAD(&udc->gadget.ep_list); in udc_reinit()
827 INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); in udc_reinit()
830 struct at91_ep *ep = &udc->ep[i]; in udc_reinit()
833 list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); in udc_reinit()
838 ep->creg = (void __iomem *) udc->udp_baseaddr + AT91_UDP_CSR(i); in udc_reinit()
844 static void reset_gadget(struct at91_udc *udc) in reset_gadget() argument
846 struct usb_gadget_driver *driver = udc->driver; in reset_gadget()
849 if (udc->gadget.speed == USB_SPEED_UNKNOWN) in reset_gadget()
851 udc->gadget.speed = USB_SPEED_UNKNOWN; in reset_gadget()
852 udc->suspended = 0; in reset_gadget()
855 struct at91_ep *ep = &udc->ep[i]; in reset_gadget()
861 spin_unlock(&udc->lock); in reset_gadget()
862 usb_gadget_udc_reset(&udc->gadget, driver); in reset_gadget()
863 spin_lock(&udc->lock); in reset_gadget()
866 udc_reinit(udc); in reset_gadget()
869 static void stop_activity(struct at91_udc *udc) in stop_activity() argument
871 struct usb_gadget_driver *driver = udc->driver; in stop_activity()
874 if (udc->gadget.speed == USB_SPEED_UNKNOWN) in stop_activity()
876 udc->gadget.speed = USB_SPEED_UNKNOWN; in stop_activity()
877 udc->suspended = 0; in stop_activity()
880 struct at91_ep *ep = &udc->ep[i]; in stop_activity()
885 spin_unlock(&udc->lock); in stop_activity()
886 driver->disconnect(&udc->gadget); in stop_activity()
887 spin_lock(&udc->lock); in stop_activity()
890 udc_reinit(udc); in stop_activity()
893 static void clk_on(struct at91_udc *udc) in clk_on() argument
895 if (udc->clocked) in clk_on()
897 udc->clocked = 1; in clk_on()
899 clk_enable(udc->iclk); in clk_on()
900 clk_enable(udc->fclk); in clk_on()
903 static void clk_off(struct at91_udc *udc) in clk_off() argument
905 if (!udc->clocked) in clk_off()
907 udc->clocked = 0; in clk_off()
908 udc->gadget.speed = USB_SPEED_UNKNOWN; in clk_off()
909 clk_disable(udc->fclk); in clk_off()
910 clk_disable(udc->iclk); in clk_off()
917 static void pullup(struct at91_udc *udc, int is_on) in pullup() argument
919 if (!udc->enabled || !udc->vbus) in pullup()
924 clk_on(udc); in pullup()
925 at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_RXRSM); in pullup()
926 at91_udp_write(udc, AT91_UDP_TXVC, 0); in pullup()
928 stop_activity(udc); in pullup()
929 at91_udp_write(udc, AT91_UDP_IDR, AT91_UDP_RXRSM); in pullup()
930 at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS); in pullup()
931 clk_off(udc); in pullup()
934 if (udc->caps && udc->caps->pullup) in pullup()
935 udc->caps->pullup(udc, is_on); in pullup()
941 struct at91_udc *udc = to_udc(gadget); in at91_vbus_session() local
945 spin_lock_irqsave(&udc->lock, flags); in at91_vbus_session()
946 udc->vbus = (is_active != 0); in at91_vbus_session()
947 if (udc->driver) in at91_vbus_session()
948 pullup(udc, is_active); in at91_vbus_session()
950 pullup(udc, 0); in at91_vbus_session()
951 spin_unlock_irqrestore(&udc->lock, flags); in at91_vbus_session()
957 struct at91_udc *udc = to_udc(gadget); in at91_pullup() local
960 spin_lock_irqsave(&udc->lock, flags); in at91_pullup()
961 udc->enabled = is_on = !!is_on; in at91_pullup()
962 pullup(udc, is_on); in at91_pullup()
963 spin_unlock_irqrestore(&udc->lock, flags); in at91_pullup()
969 struct at91_udc *udc = to_udc(gadget); in at91_set_selfpowered() local
972 spin_lock_irqsave(&udc->lock, flags); in at91_set_selfpowered()
974 spin_unlock_irqrestore(&udc->lock, flags); in at91_set_selfpowered()
1042 static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr) in handle_setup() argument
1071 udc->wait_for_addr_ack = 0; in handle_setup()
1072 udc->wait_for_config_ack = 0; in handle_setup()
1089 udc->req_pending = 1; in handle_setup()
1098 udc->addr = w_value; in handle_setup()
1099 udc->wait_for_addr_ack = 1; in handle_setup()
1100 udc->req_pending = 0; in handle_setup()
1106 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT) & AT91_UDP_CONFG; in handle_setup()
1108 udc->wait_for_config_ack = (tmp == 0); in handle_setup()
1110 udc->wait_for_config_ack = (tmp != 0); in handle_setup()
1111 if (udc->wait_for_config_ack) in handle_setup()
1122 tmp = (udc->gadget.is_selfpowered << USB_DEVICE_SELF_POWERED); in handle_setup()
1123 if (at91_udp_read(udc, AT91_UDP_GLB_STAT) & AT91_UDP_ESR) in handle_setup()
1134 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT); in handle_setup()
1136 at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp); in handle_setup()
1142 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT); in handle_setup()
1144 at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp); in handle_setup()
1171 ep = &udc->ep[tmp]; in handle_setup()
1194 ep = &udc->ep[tmp]; in handle_setup()
1213 ep = &udc->ep[tmp]; in handle_setup()
1226 at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); in handle_setup()
1227 at91_udp_write(udc, AT91_UDP_RST_EP, 0); in handle_setup()
1242 if (udc->driver) { in handle_setup()
1243 spin_unlock(&udc->lock); in handle_setup()
1244 status = udc->driver->setup(&udc->gadget, &pkt.r); in handle_setup()
1245 spin_lock(&udc->lock); in handle_setup()
1255 udc->req_pending = 0; in handle_setup()
1265 udc->req_pending = 0; in handle_setup()
1268 static void handle_ep0(struct at91_udc *udc) in handle_ep0() argument
1270 struct at91_ep *ep0 = &udc->ep[0]; in handle_ep0()
1277 udc->req_pending = 0; in handle_ep0()
1286 udc->req_pending = 0; in handle_ep0()
1287 handle_setup(udc, ep0, csr); in handle_ep0()
1304 udc->req_pending = 0; in handle_ep0()
1315 udc->req_pending = 0; in handle_ep0()
1322 if (udc->wait_for_addr_ack) { in handle_ep0()
1325 at91_udp_write(udc, AT91_UDP_FADDR, in handle_ep0()
1326 AT91_UDP_FEN | udc->addr); in handle_ep0()
1327 tmp = at91_udp_read(udc, AT91_UDP_GLB_STAT); in handle_ep0()
1329 if (udc->addr) in handle_ep0()
1331 at91_udp_write(udc, AT91_UDP_GLB_STAT, tmp); in handle_ep0()
1333 udc->wait_for_addr_ack = 0; in handle_ep0()
1334 VDBG("address %d\n", udc->addr); in handle_ep0()
1354 udc->req_pending = 0; in handle_ep0()
1356 } else if (udc->req_pending) { in handle_ep0()
1376 udc->req_pending = 0; in handle_ep0()
1393 struct at91_udc *udc = _udc; in at91_udc_irq() local
1398 spin_lock_irqsave(&udc->lock, flags); in at91_udc_irq()
1400 if (!udc->clocked) { in at91_udc_irq()
1401 clk_on(udc); in at91_udc_irq()
1408 status = at91_udp_read(udc, AT91_UDP_ISR) in at91_udc_irq()
1409 & at91_udp_read(udc, AT91_UDP_IMR); in at91_udc_irq()
1415 at91_udp_write(udc, AT91_UDP_IDR, ~MINIMUS_INTERRUPTUS); in at91_udc_irq()
1416 at91_udp_write(udc, AT91_UDP_IER, MINIMUS_INTERRUPTUS); in at91_udc_irq()
1418 at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_ENDBUSRES); in at91_udc_irq()
1419 at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_ENDBUSRES); in at91_udc_irq()
1421 udc->addr = 0; in at91_udc_irq()
1422 reset_gadget(udc); in at91_udc_irq()
1425 at91_udp_write(udc, AT91_UDP_CSR(0), in at91_udc_irq()
1427 udc->gadget.speed = USB_SPEED_FULL; in at91_udc_irq()
1428 udc->suspended = 0; in at91_udc_irq()
1429 at91_udp_write(udc, AT91_UDP_IER, AT91_UDP_EP(0)); in at91_udc_irq()
1440 at91_udp_write(udc, AT91_UDP_IDR, AT91_UDP_RXSUSP); in at91_udc_irq()
1441 at91_udp_write(udc, AT91_UDP_IER, AT91_UDP_RXRSM); in at91_udc_irq()
1442 at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_RXSUSP); in at91_udc_irq()
1444 if (udc->suspended) in at91_udc_irq()
1446 udc->suspended = 1; in at91_udc_irq()
1454 if (udc->driver && udc->driver->suspend) { in at91_udc_irq()
1455 spin_unlock(&udc->lock); in at91_udc_irq()
1456 udc->driver->suspend(&udc->gadget); in at91_udc_irq()
1457 spin_lock(&udc->lock); in at91_udc_irq()
1462 at91_udp_write(udc, AT91_UDP_IDR, AT91_UDP_RXRSM); in at91_udc_irq()
1463 at91_udp_write(udc, AT91_UDP_IER, AT91_UDP_RXSUSP); in at91_udc_irq()
1464 at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_RXRSM); in at91_udc_irq()
1466 if (!udc->suspended) in at91_udc_irq()
1468 udc->suspended = 0; in at91_udc_irq()
1475 if (udc->driver && udc->driver->resume) { in at91_udc_irq()
1476 spin_unlock(&udc->lock); in at91_udc_irq()
1477 udc->driver->resume(&udc->gadget); in at91_udc_irq()
1478 spin_lock(&udc->lock); in at91_udc_irq()
1485 struct at91_ep *ep = &udc->ep[1]; in at91_udc_irq()
1488 handle_ep0(udc); in at91_udc_irq()
1499 clk_off(udc); in at91_udc_irq()
1501 spin_unlock_irqrestore(&udc->lock, flags); in at91_udc_irq()
1508 static void at91_vbus_update(struct at91_udc *udc, unsigned value) in at91_vbus_update() argument
1510 value ^= udc->board.vbus_active_low; in at91_vbus_update()
1511 if (value != udc->vbus) in at91_vbus_update()
1512 at91_vbus_session(&udc->gadget, value); in at91_vbus_update()
1517 struct at91_udc *udc = _udc; in at91_vbus_irq() local
1521 at91_vbus_update(udc, gpio_get_value(udc->board.vbus_pin)); in at91_vbus_irq()
1528 struct at91_udc *udc = container_of(work, struct at91_udc, in at91_vbus_timer_work() local
1531 at91_vbus_update(udc, gpio_get_value_cansleep(udc->board.vbus_pin)); in at91_vbus_timer_work()
1533 if (!timer_pending(&udc->vbus_timer)) in at91_vbus_timer_work()
1534 mod_timer(&udc->vbus_timer, jiffies + VBUS_POLL_TIMEOUT); in at91_vbus_timer_work()
1539 struct at91_udc *udc = (struct at91_udc *)data; in at91_vbus_timer() local
1546 schedule_work(&udc->vbus_timer_work); in at91_vbus_timer()
1552 struct at91_udc *udc; in at91_start() local
1554 udc = container_of(gadget, struct at91_udc, gadget); in at91_start()
1555 udc->driver = driver; in at91_start()
1556 udc->gadget.dev.of_node = udc->pdev->dev.of_node; in at91_start()
1557 udc->enabled = 1; in at91_start()
1558 udc->gadget.is_selfpowered = 1; in at91_start()
1565 struct at91_udc *udc; in at91_stop() local
1568 udc = container_of(gadget, struct at91_udc, gadget); in at91_stop()
1569 spin_lock_irqsave(&udc->lock, flags); in at91_stop()
1570 udc->enabled = 0; in at91_stop()
1571 at91_udp_write(udc, AT91_UDP_IDR, ~0); in at91_stop()
1572 spin_unlock_irqrestore(&udc->lock, flags); in at91_stop()
1574 udc->driver = NULL; in at91_stop()
1583 struct at91_udc *udc = platform_get_drvdata(dev); in at91udc_shutdown() local
1587 spin_lock_irqsave(&udc->lock, flags); in at91udc_shutdown()
1589 spin_unlock_irqrestore(&udc->lock, flags); in at91udc_shutdown()
1592 static int at91rm9200_udc_init(struct at91_udc *udc) in at91rm9200_udc_init() argument
1599 ep = &udc->ep[i]; in at91rm9200_udc_init()
1615 if (!gpio_is_valid(udc->board.pullup_pin)) { in at91rm9200_udc_init()
1620 ret = devm_gpio_request(&udc->pdev->dev, udc->board.pullup_pin, in at91rm9200_udc_init()
1627 gpio_direction_output(udc->board.pullup_pin, in at91rm9200_udc_init()
1628 udc->board.pullup_active_low); in at91rm9200_udc_init()
1633 static void at91rm9200_udc_pullup(struct at91_udc *udc, int is_on) in at91rm9200_udc_pullup() argument
1635 int active = !udc->board.pullup_active_low; in at91rm9200_udc_pullup()
1638 gpio_set_value(udc->board.pullup_pin, active); in at91rm9200_udc_pullup()
1640 gpio_set_value(udc->board.pullup_pin, !active); in at91rm9200_udc_pullup()
1648 static int at91sam9260_udc_init(struct at91_udc *udc) in at91sam9260_udc_init() argument
1654 ep = &udc->ep[i]; in at91sam9260_udc_init()
1669 static void at91sam9260_udc_pullup(struct at91_udc *udc, int is_on) in at91sam9260_udc_pullup() argument
1671 u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC); in at91sam9260_udc_pullup()
1678 at91_udp_write(udc, AT91_UDP_TXVC, txvc); in at91sam9260_udc_pullup()
1686 static int at91sam9261_udc_init(struct at91_udc *udc) in at91sam9261_udc_init() argument
1692 ep = &udc->ep[i]; in at91sam9261_udc_init()
1707 udc->matrix = syscon_regmap_lookup_by_phandle(udc->pdev->dev.of_node, in at91sam9261_udc_init()
1709 if (IS_ERR(udc->matrix)) in at91sam9261_udc_init()
1710 return PTR_ERR(udc->matrix); in at91sam9261_udc_init()
1715 static void at91sam9261_udc_pullup(struct at91_udc *udc, int is_on) in at91sam9261_udc_pullup() argument
1722 regmap_update_bits(udc->matrix, AT91SAM9261_MATRIX_USBPUCR, in at91sam9261_udc_pullup()
1731 static int at91sam9263_udc_init(struct at91_udc *udc) in at91sam9263_udc_init() argument
1737 ep = &udc->ep[i]; in at91sam9263_udc_init()
1782 static void at91udc_of_init(struct at91_udc *udc, struct device_node *np) in at91udc_of_init() argument
1784 struct at91_udc_data *board = &udc->board; in at91udc_of_init()
1803 udc->caps = match->data; in at91udc_of_init()
1809 struct at91_udc *udc; in at91udc_probe() local
1815 udc = devm_kzalloc(dev, sizeof(*udc), GFP_KERNEL); in at91udc_probe()
1816 if (!udc) in at91udc_probe()
1820 udc->gadget.dev.parent = dev; in at91udc_probe()
1821 at91udc_of_init(udc, pdev->dev.of_node); in at91udc_probe()
1822 udc->pdev = pdev; in at91udc_probe()
1823 udc->enabled = 0; in at91udc_probe()
1824 spin_lock_init(&udc->lock); in at91udc_probe()
1826 udc->gadget.ops = &at91_udc_ops; in at91udc_probe()
1827 udc->gadget.ep0 = &udc->ep[0].ep; in at91udc_probe()
1828 udc->gadget.name = driver_name; in at91udc_probe()
1829 udc->gadget.dev.init_name = "gadget"; in at91udc_probe()
1832 ep = &udc->ep[i]; in at91udc_probe()
1835 ep->udc = udc; in at91udc_probe()
1842 udc->udp_baseaddr = devm_ioremap_resource(dev, res); in at91udc_probe()
1843 if (IS_ERR(udc->udp_baseaddr)) in at91udc_probe()
1844 return PTR_ERR(udc->udp_baseaddr); in at91udc_probe()
1846 if (udc->caps && udc->caps->init) { in at91udc_probe()
1847 retval = udc->caps->init(udc); in at91udc_probe()
1852 udc_reinit(udc); in at91udc_probe()
1855 udc->iclk = devm_clk_get(dev, "pclk"); in at91udc_probe()
1856 if (IS_ERR(udc->iclk)) in at91udc_probe()
1857 return PTR_ERR(udc->iclk); in at91udc_probe()
1859 udc->fclk = devm_clk_get(dev, "hclk"); in at91udc_probe()
1860 if (IS_ERR(udc->fclk)) in at91udc_probe()
1861 return PTR_ERR(udc->fclk); in at91udc_probe()
1864 clk_set_rate(udc->fclk, 48000000); in at91udc_probe()
1865 retval = clk_prepare(udc->fclk); in at91udc_probe()
1869 retval = clk_prepare_enable(udc->iclk); in at91udc_probe()
1873 at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS); in at91udc_probe()
1874 at91_udp_write(udc, AT91_UDP_IDR, 0xffffffff); in at91udc_probe()
1876 at91_udp_write(udc, AT91_UDP_ICR, 0xffffffff); in at91udc_probe()
1877 clk_disable(udc->iclk); in at91udc_probe()
1880 udc->udp_irq = platform_get_irq(pdev, 0); in at91udc_probe()
1881 retval = devm_request_irq(dev, udc->udp_irq, at91_udc_irq, 0, in at91udc_probe()
1882 driver_name, udc); in at91udc_probe()
1884 DBG("request irq %d failed\n", udc->udp_irq); in at91udc_probe()
1888 if (gpio_is_valid(udc->board.vbus_pin)) { in at91udc_probe()
1889 retval = devm_gpio_request(dev, udc->board.vbus_pin, in at91udc_probe()
1896 gpio_direction_input(udc->board.vbus_pin); in at91udc_probe()
1902 udc->vbus = gpio_get_value_cansleep(udc->board.vbus_pin) ^ in at91udc_probe()
1903 udc->board.vbus_active_low; in at91udc_probe()
1905 if (udc->board.vbus_polled) { in at91udc_probe()
1906 INIT_WORK(&udc->vbus_timer_work, at91_vbus_timer_work); in at91udc_probe()
1907 setup_timer(&udc->vbus_timer, at91_vbus_timer, in at91udc_probe()
1908 (unsigned long)udc); in at91udc_probe()
1909 mod_timer(&udc->vbus_timer, in at91udc_probe()
1913 gpio_to_irq(udc->board.vbus_pin), in at91udc_probe()
1914 at91_vbus_irq, 0, driver_name, udc); in at91udc_probe()
1917 udc->board.vbus_pin); in at91udc_probe()
1923 udc->vbus = 1; in at91udc_probe()
1925 retval = usb_add_gadget_udc(dev, &udc->gadget); in at91udc_probe()
1928 dev_set_drvdata(dev, udc); in at91udc_probe()
1930 create_debug_file(udc); in at91udc_probe()
1936 clk_unprepare(udc->iclk); in at91udc_probe()
1938 clk_unprepare(udc->fclk); in at91udc_probe()
1947 struct at91_udc *udc = platform_get_drvdata(pdev); in at91udc_remove() local
1952 usb_del_gadget_udc(&udc->gadget); in at91udc_remove()
1953 if (udc->driver) in at91udc_remove()
1956 spin_lock_irqsave(&udc->lock, flags); in at91udc_remove()
1957 pullup(udc, 0); in at91udc_remove()
1958 spin_unlock_irqrestore(&udc->lock, flags); in at91udc_remove()
1961 remove_debug_file(udc); in at91udc_remove()
1962 clk_unprepare(udc->fclk); in at91udc_remove()
1963 clk_unprepare(udc->iclk); in at91udc_remove()
1971 struct at91_udc *udc = platform_get_drvdata(pdev); in at91udc_suspend() local
1972 int wake = udc->driver && device_may_wakeup(&pdev->dev); in at91udc_suspend()
1980 if ((!udc->suspended && udc->addr) in at91udc_suspend()
1983 spin_lock_irqsave(&udc->lock, flags); in at91udc_suspend()
1984 pullup(udc, 0); in at91udc_suspend()
1986 spin_unlock_irqrestore(&udc->lock, flags); in at91udc_suspend()
1988 enable_irq_wake(udc->udp_irq); in at91udc_suspend()
1990 udc->active_suspend = wake; in at91udc_suspend()
1991 if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled && wake) in at91udc_suspend()
1992 enable_irq_wake(udc->board.vbus_pin); in at91udc_suspend()
1998 struct at91_udc *udc = platform_get_drvdata(pdev); in at91udc_resume() local
2001 if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled && in at91udc_resume()
2002 udc->active_suspend) in at91udc_resume()
2003 disable_irq_wake(udc->board.vbus_pin); in at91udc_resume()
2006 if (udc->active_suspend) in at91udc_resume()
2007 disable_irq_wake(udc->udp_irq); in at91udc_resume()
2009 spin_lock_irqsave(&udc->lock, flags); in at91udc_resume()
2010 pullup(udc, 1); in at91udc_resume()
2011 spin_unlock_irqrestore(&udc->lock, flags); in at91udc_resume()