Lines Matching refs:udc
148 struct xusb_udc *udc; member
263 static void xudc_wrstatus(struct xusb_udc *udc) in xudc_wrstatus() argument
265 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_wrstatus()
268 epcfgreg = udc->read_fn(udc->addr + ep0->offset)| in xudc_wrstatus()
270 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_wrstatus()
271 udc->write_fn(udc->addr, ep0->offset + XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_wrstatus()
272 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_wrstatus()
283 static void xudc_epconfig(struct xusb_ep *ep, struct xusb_udc *udc) in xudc_epconfig() argument
293 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_epconfig()
296 udc->write_fn(udc->addr, ep->offset + XUSB_EP_BUF0COUNT_OFFSET, in xudc_epconfig()
298 udc->write_fn(udc->addr, ep->offset + XUSB_EP_BUF1COUNT_OFFSET, in xudc_epconfig()
301 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_epconfig()
304 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_epconfig()
323 struct xusb_udc *udc = ep->udc; in xudc_start_dma() local
333 udc->write_fn(udc->addr, XUSB_DMA_DSAR_ADDR_OFFSET, src); in xudc_start_dma()
334 udc->write_fn(udc->addr, XUSB_DMA_DDAR_ADDR_OFFSET, dst); in xudc_start_dma()
335 udc->write_fn(udc->addr, XUSB_DMA_LENGTH_OFFSET, length); in xudc_start_dma()
343 reg = udc->read_fn(udc->addr + XUSB_DMA_STATUS_OFFSET); in xudc_start_dma()
353 dev_err(udc->dev, "DMA timeout\n"); in xudc_start_dma()
359 if ((udc->read_fn(udc->addr + XUSB_DMA_STATUS_OFFSET) & in xudc_start_dma()
361 dev_err(udc->dev, "DMA Error\n"); in xudc_start_dma()
386 struct xusb_udc *udc = ep->udc; in xudc_dma_send() local
390 dma_sync_single_for_device(udc->dev, src, in xudc_dma_send()
394 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_dma_send()
396 udc->write_fn(udc->addr, ep->offset + in xudc_dma_send()
398 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_send()
404 eprambase = (u32 __force *)(udc->addr + ep->rambase + in xudc_dma_send()
407 udc->write_fn(udc->addr, ep->offset + in xudc_dma_send()
409 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_send()
440 struct xusb_udc *udc = ep->udc; in xudc_dma_receive() local
445 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_dma_receive()
447 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_receive()
454 eprambase = (u32 __force *)(udc->addr + in xudc_dma_receive()
457 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_receive()
489 struct xusb_udc *udc = ep->udc; in xudc_eptxrx() local
492 if (udc->dma_enabled) { in xudc_eptxrx()
502 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_eptxrx()
505 udc->write_fn(udc->addr, ep->offset + in xudc_eptxrx()
513 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_eptxrx()
519 eprambase = (u32 __force *)(udc->addr + ep->rambase + in xudc_eptxrx()
523 udc->write_fn(udc->addr, ep->offset + in xudc_eptxrx()
531 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_eptxrx()
553 struct xusb_udc *udc = ep->udc; in xudc_done() local
563 dev_dbg(udc->dev, "%s done %p, status %d\n", in xudc_done()
566 if (udc->dma_enabled && ep->epnumber && req->usb_req.length) in xudc_done()
567 usb_gadget_unmap_request(&udc->gadget, &req->usb_req, in xudc_done()
571 spin_unlock(&udc->lock); in xudc_done()
573 spin_lock(&udc->lock); in xudc_done()
594 struct xusb_udc *udc = ep->udc; in xudc_read_fifo() local
597 dev_dbg(udc->dev, "Packet NOT ready!\n"); in xudc_read_fifo()
606 count = udc->read_fn(udc->addr + ep->offset + bufoffset); in xudc_read_fifo()
623 dev_dbg(udc->dev, "%s overflow %d\n", in xudc_read_fifo()
634 dev_dbg(udc->dev, "read %s, %d bytes%s req %p %d/%d\n", in xudc_read_fifo()
640 if (udc->dma_enabled && req->usb_req.length) in xudc_read_fifo()
641 dma_sync_single_for_cpu(udc->dev, in xudc_read_fifo()
654 dev_dbg(udc->dev, "receive busy\n"); in xudc_read_fifo()
682 struct xusb_udc *udc = ep->udc; in xudc_write_fifo() local
705 dev_dbg(udc->dev, "%s: wrote %s %d bytes%s%s %d left %p\n", in xudc_write_fifo()
716 dev_dbg(udc->dev, "Send busy\n"); in xudc_write_fifo()
754 struct xusb_udc *udc; in xudc_ep_set_halt() local
762 udc = ep->udc; in xudc_ep_set_halt()
765 dev_dbg(udc->dev, "requests pending can't halt\n"); in xudc_ep_set_halt()
770 dev_dbg(udc->dev, "HW buffers busy can't halt\n"); in xudc_ep_set_halt()
774 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_set_halt()
778 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_set_halt()
780 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
783 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_set_halt()
785 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
788 epcfgreg = udc->read_fn(ep->udc->addr + ep->offset); in xudc_ep_set_halt()
790 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
794 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_set_halt()
808 struct xusb_udc *udc = ep->udc; in __xudc_ep_enable() local
824 dev_dbg(udc->dev, "only one control endpoint\n"); in __xudc_ep_enable()
832 dev_dbg(udc->dev, "bogus maxpacket %d\n", maxpacket); in __xudc_ep_enable()
841 dev_dbg(udc->dev, "bogus maxpacket %d\n", maxpacket); in __xudc_ep_enable()
855 xudc_epconfig(ep, udc); in __xudc_ep_enable()
857 dev_dbg(udc->dev, "Enable Endpoint %d max pkt is %d\n", in __xudc_ep_enable()
861 epcfg = udc->read_fn(udc->addr + ep->offset); in __xudc_ep_enable()
863 udc->write_fn(udc->addr, ep->offset, epcfg); in __xudc_ep_enable()
868 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in __xudc_ep_enable()
870 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in __xudc_ep_enable()
874 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in __xudc_ep_enable()
877 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in __xudc_ep_enable()
897 struct xusb_udc *udc; in xudc_ep_enable() local
907 udc = ep->udc; in xudc_ep_enable()
909 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in xudc_ep_enable()
910 dev_dbg(udc->dev, "bogus device state\n"); in xudc_ep_enable()
914 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_enable()
916 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_enable()
932 struct xusb_udc *udc; in xudc_ep_disable() local
940 udc = ep->udc; in xudc_ep_disable()
942 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_disable()
950 dev_dbg(udc->dev, "USB Ep %d disable\n ", ep->epnumber); in xudc_ep_disable()
952 epcfg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_disable()
954 udc->write_fn(udc->addr, ep->offset, epcfg); in xudc_ep_disable()
956 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_disable()
971 struct xusb_udc *udc; in xudc_ep_alloc_request() local
974 udc = ep->udc; in xudc_ep_alloc_request()
977 dev_err(udc->dev, "%s:not enough memory", __func__); in xudc_ep_alloc_request()
1007 struct xusb_udc *udc = ep0->udc; in __xudc_ep0_queue() local
1011 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in __xudc_ep0_queue()
1012 dev_dbg(udc->dev, "%s, bogus device state\n", __func__); in __xudc_ep0_queue()
1016 dev_dbg(udc->dev, "%s:ep0 busy\n", __func__); in __xudc_ep0_queue()
1025 if (udc->setup.bRequestType & USB_DIR_IN) { in __xudc_ep0_queue()
1029 udc->addr); in __xudc_ep0_queue()
1033 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, length); in __xudc_ep0_queue()
1034 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in __xudc_ep0_queue()
1036 if (udc->setup.wLength) { in __xudc_ep0_queue()
1038 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, 0); in __xudc_ep0_queue()
1039 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in __xudc_ep0_queue()
1041 xudc_wrstatus(udc); in __xudc_ep0_queue()
1061 struct xusb_udc *udc = ep0->udc; in xudc_ep0_queue() local
1065 spin_lock_irqsave(&udc->lock, flags); in xudc_ep0_queue()
1067 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep0_queue()
1085 struct xusb_udc *udc = ep->udc; in xudc_ep_queue() local
1090 dev_dbg(udc->dev, "%s:queing request to disabled %s\n", in xudc_ep_queue()
1095 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in xudc_ep_queue()
1096 dev_dbg(udc->dev, "%s, bogus device state\n", __func__); in xudc_ep_queue()
1100 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_queue()
1105 if (udc->dma_enabled) { in xudc_ep_queue()
1106 ret = usb_gadget_map_request(&udc->gadget, &req->usb_req, in xudc_ep_queue()
1109 dev_dbg(udc->dev, "gadget_map failed ep%d\n", in xudc_ep_queue()
1111 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_queue()
1118 dev_dbg(udc->dev, "xudc_write_fifo from ep_queue\n"); in xudc_ep_queue()
1122 dev_dbg(udc->dev, "xudc_read_fifo from ep_queue\n"); in xudc_ep_queue()
1131 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_queue()
1146 struct xusb_udc *udc = ep->udc; in xudc_ep_dequeue() local
1149 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_dequeue()
1156 spin_unlock_irqrestore(&ep->udc->lock, flags); in xudc_ep_dequeue()
1160 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_dequeue()
1221 struct xusb_udc *udc; in xudc_get_frame() local
1227 udc = to_udc(gadget); in xudc_get_frame()
1228 frame = udc->read_fn(udc->addr + XUSB_FRAMENUM_OFFSET); in xudc_get_frame()
1240 struct xusb_udc *udc = to_udc(gadget); in xudc_wakeup() local
1245 spin_lock_irqsave(&udc->lock, flags); in xudc_wakeup()
1248 if (!udc->remote_wkp) in xudc_wakeup()
1251 crtlreg = udc->read_fn(udc->addr + XUSB_CONTROL_OFFSET); in xudc_wakeup()
1254 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_wakeup()
1262 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_wakeup()
1265 spin_unlock_irqrestore(&udc->lock, flags); in xudc_wakeup()
1280 struct xusb_udc *udc = to_udc(gadget); in xudc_pullup() local
1284 spin_lock_irqsave(&udc->lock, flags); in xudc_pullup()
1286 crtlreg = udc->read_fn(udc->addr + XUSB_CONTROL_OFFSET); in xudc_pullup()
1292 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_pullup()
1294 spin_unlock_irqrestore(&udc->lock, flags); in xudc_pullup()
1303 static void xudc_eps_init(struct xusb_udc *udc) in xudc_eps_init() argument
1307 INIT_LIST_HEAD(&udc->gadget.ep_list); in xudc_eps_init()
1310 struct xusb_ep *ep = &udc->ep[ep_number]; in xudc_eps_init()
1314 &udc->gadget.ep_list); in xudc_eps_init()
1335 ep->udc = udc; in xudc_eps_init()
1346 xudc_epconfig(ep, udc); in xudc_eps_init()
1357 static void xudc_stop_activity(struct xusb_udc *udc) in xudc_stop_activity() argument
1363 ep = &udc->ep[i]; in xudc_stop_activity()
1378 struct xusb_udc *udc = to_udc(gadget); in xudc_start() local
1379 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_start()
1384 spin_lock_irqsave(&udc->lock, flags); in xudc_start()
1386 if (udc->driver) { in xudc_start()
1387 dev_err(udc->dev, "%s is already bound to %s\n", in xudc_start()
1388 udc->gadget.name, udc->driver->driver.name); in xudc_start()
1394 udc->driver = driver; in xudc_start()
1395 udc->gadget.speed = driver->max_speed; in xudc_start()
1401 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_start()
1402 udc->remote_wkp = 0; in xudc_start()
1404 spin_unlock_irqrestore(&udc->lock, flags); in xudc_start()
1417 struct xusb_udc *udc = to_udc(gadget); in xudc_stop() local
1420 spin_lock_irqsave(&udc->lock, flags); in xudc_stop()
1422 udc->gadget.speed = USB_SPEED_UNKNOWN; in xudc_stop()
1423 udc->driver = NULL; in xudc_stop()
1426 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_stop()
1427 udc->remote_wkp = 0; in xudc_stop()
1429 xudc_stop_activity(udc); in xudc_stop()
1431 spin_unlock_irqrestore(&udc->lock, flags); in xudc_stop()
1448 static void xudc_clear_stall_all_ep(struct xusb_udc *udc) in xudc_clear_stall_all_ep() argument
1455 ep = &udc->ep[i]; in xudc_clear_stall_all_ep()
1456 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1458 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1461 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1463 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1475 static void xudc_startup_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_startup_handler() argument
1481 dev_dbg(udc->dev, "Reset\n"); in xudc_startup_handler()
1484 udc->gadget.speed = USB_SPEED_HIGH; in xudc_startup_handler()
1486 udc->gadget.speed = USB_SPEED_FULL; in xudc_startup_handler()
1488 xudc_stop_activity(udc); in xudc_startup_handler()
1489 xudc_clear_stall_all_ep(udc); in xudc_startup_handler()
1490 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_startup_handler()
1493 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_startup_handler()
1494 udc->remote_wkp = 0; in xudc_startup_handler()
1497 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1500 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1504 dev_dbg(udc->dev, "Suspend\n"); in xudc_startup_handler()
1507 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1510 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1512 udc->usb_state = USB_STATE_SUSPENDED; in xudc_startup_handler()
1514 if (udc->driver->suspend) { in xudc_startup_handler()
1515 spin_unlock(&udc->lock); in xudc_startup_handler()
1516 udc->driver->suspend(&udc->gadget); in xudc_startup_handler()
1517 spin_lock(&udc->lock); in xudc_startup_handler()
1521 bool condition = (udc->usb_state != USB_STATE_SUSPENDED); in xudc_startup_handler()
1523 dev_WARN_ONCE(udc->dev, condition, in xudc_startup_handler()
1526 dev_dbg(udc->dev, "Resume\n"); in xudc_startup_handler()
1529 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1532 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1534 udc->usb_state = 0; in xudc_startup_handler()
1536 if (udc->driver->resume) { in xudc_startup_handler()
1537 spin_unlock(&udc->lock); in xudc_startup_handler()
1538 udc->driver->resume(&udc->gadget); in xudc_startup_handler()
1539 spin_lock(&udc->lock); in xudc_startup_handler()
1544 dev_dbg(udc->dev, "Disconnect\n"); in xudc_startup_handler()
1547 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1550 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1552 if (udc->driver && udc->driver->disconnect) { in xudc_startup_handler()
1553 spin_unlock(&udc->lock); in xudc_startup_handler()
1554 udc->driver->disconnect(&udc->gadget); in xudc_startup_handler()
1555 spin_lock(&udc->lock); in xudc_startup_handler()
1566 static void xudc_ep0_stall(struct xusb_udc *udc) in xudc_ep0_stall() argument
1569 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_ep0_stall()
1571 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_stall()
1573 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_stall()
1582 static void xudc_setaddress(struct xusb_udc *udc) in xudc_setaddress() argument
1584 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_setaddress()
1585 struct xusb_req *req = udc->req; in xudc_setaddress()
1593 dev_err(udc->dev, "Can't respond to SET ADDRESS request\n"); in xudc_setaddress()
1594 xudc_ep0_stall(udc); in xudc_setaddress()
1603 static void xudc_getstatus(struct xusb_udc *udc) in xudc_getstatus() argument
1605 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_getstatus()
1606 struct xusb_req *req = udc->req; in xudc_getstatus()
1614 switch (udc->setup.bRequestType & USB_RECIP_MASK) { in xudc_getstatus()
1618 if (udc->remote_wkp) in xudc_getstatus()
1624 epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_getstatus()
1625 target_ep = &udc->ep[epnum]; in xudc_getstatus()
1626 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_getstatus()
1628 if (udc->setup.wIndex & USB_DIR_IN) { in xudc_getstatus()
1648 dev_err(udc->dev, "Can't respond to getstatus request\n"); in xudc_getstatus()
1649 xudc_ep0_stall(udc); in xudc_getstatus()
1658 static void xudc_set_clear_feature(struct xusb_udc *udc) in xudc_set_clear_feature() argument
1660 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_set_clear_feature()
1661 struct xusb_req *req = udc->req; in xudc_set_clear_feature()
1666 int flag = (udc->setup.bRequest == USB_REQ_SET_FEATURE ? 1 : 0); in xudc_set_clear_feature()
1669 switch (udc->setup.bRequestType) { in xudc_set_clear_feature()
1671 switch (udc->setup.wValue) { in xudc_set_clear_feature()
1680 udc->remote_wkp = 1; in xudc_set_clear_feature()
1682 udc->remote_wkp = 0; in xudc_set_clear_feature()
1685 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1690 if (!udc->setup.wValue) { in xudc_set_clear_feature()
1691 endpoint = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_set_clear_feature()
1692 target_ep = &udc->ep[endpoint]; in xudc_set_clear_feature()
1693 outinbit = udc->setup.wIndex & USB_ENDPOINT_DIR_MASK; in xudc_set_clear_feature()
1698 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1701 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_set_clear_feature()
1705 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1710 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1717 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1725 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1734 dev_err(udc->dev, "Can't respond to SET/CLEAR FEATURE\n"); in xudc_set_clear_feature()
1735 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1744 static void xudc_handle_setup(struct xusb_udc *udc) in xudc_handle_setup() argument
1746 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_handle_setup()
1751 ep0rambase = (u32 __force *) (udc->addr + XUSB_SETUP_PKT_ADDR_OFFSET); in xudc_handle_setup()
1754 udc->setup = setup; in xudc_handle_setup()
1755 udc->setup.wValue = cpu_to_le16(setup.wValue); in xudc_handle_setup()
1756 udc->setup.wIndex = cpu_to_le16(setup.wIndex); in xudc_handle_setup()
1757 udc->setup.wLength = cpu_to_le16(setup.wLength); in xudc_handle_setup()
1762 if (udc->setup.bRequestType & USB_DIR_IN) { in xudc_handle_setup()
1764 udc->setupseqrx = STATUS_PHASE; in xudc_handle_setup()
1765 udc->setupseqtx = DATA_PHASE; in xudc_handle_setup()
1768 udc->setupseqrx = DATA_PHASE; in xudc_handle_setup()
1769 udc->setupseqtx = STATUS_PHASE; in xudc_handle_setup()
1772 switch (udc->setup.bRequest) { in xudc_handle_setup()
1775 if ((udc->setup.bRequestType & in xudc_handle_setup()
1779 xudc_getstatus(udc); in xudc_handle_setup()
1783 if (udc->setup.bRequestType != (USB_DIR_OUT | in xudc_handle_setup()
1786 xudc_setaddress(udc); in xudc_handle_setup()
1791 if ((udc->setup.bRequestType & USB_TYPE_MASK) in xudc_handle_setup()
1794 xudc_set_clear_feature(udc); in xudc_handle_setup()
1800 spin_unlock(&udc->lock); in xudc_handle_setup()
1801 if (udc->driver->setup(&udc->gadget, &setup) < 0) in xudc_handle_setup()
1802 xudc_ep0_stall(udc); in xudc_handle_setup()
1803 spin_lock(&udc->lock); in xudc_handle_setup()
1810 static void xudc_ep0_out(struct xusb_udc *udc) in xudc_ep0_out() argument
1812 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_out()
1820 switch (udc->setupseqrx) { in xudc_ep0_out()
1826 udc->setupseqrx = SETUP_PHASE; in xudc_ep0_out()
1827 udc->setupseqtx = SETUP_PHASE; in xudc_ep0_out()
1832 bytes_to_rx = udc->read_fn(udc->addr + in xudc_ep0_out()
1835 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_out()
1843 xudc_wrstatus(udc); in xudc_ep0_out()
1846 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_ep0_out()
1847 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_out()
1859 static void xudc_ep0_in(struct xusb_udc *udc) in xudc_ep0_in() argument
1861 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_in()
1869 u8 test_mode = udc->setup.wIndex >> 8; in xudc_ep0_in()
1874 switch (udc->setupseqtx) { in xudc_ep0_in()
1876 switch (udc->setup.bRequest) { in xudc_ep0_in()
1879 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, in xudc_ep0_in()
1880 udc->setup.wValue); in xudc_ep0_in()
1883 if (udc->setup.bRequestType == in xudc_ep0_in()
1885 if (udc->setup.wValue == in xudc_ep0_in()
1887 udc->write_fn(udc->addr, in xudc_ep0_in()
1903 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_in()
1905 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_in()
1906 udc->setupseqtx = STATUS_PHASE; in xudc_ep0_in()
1911 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_in()
1917 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, count); in xudc_ep0_in()
1918 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_in()
1932 static void xudc_ctrl_ep_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_ctrl_ep_handler() argument
1936 xudc_handle_setup(udc); in xudc_ctrl_ep_handler()
1939 xudc_ep0_out(udc); in xudc_ctrl_ep_handler()
1941 xudc_ep0_in(udc); in xudc_ctrl_ep_handler()
1954 static void xudc_nonctrl_ep_handler(struct xusb_udc *udc, u8 epnum, in xudc_nonctrl_ep_handler() argument
1961 ep = &udc->ep[epnum]; in xudc_nonctrl_ep_handler()
1988 struct xusb_udc *udc = _udc; in xudc_irq() local
1995 spin_lock_irqsave(&udc->lock, flags); in xudc_irq()
2001 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
2003 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
2006 intrstatus = udc->read_fn(udc->addr + XUSB_STATUS_OFFSET); in xudc_irq()
2017 xudc_startup_handler(udc, intrstatus); in xudc_irq()
2023 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
2025 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
2028 xudc_ctrl_ep_handler(udc, intrstatus); in xudc_irq()
2037 xudc_nonctrl_ep_handler(udc, index, in xudc_irq()
2043 spin_unlock_irqrestore(&udc->lock, flags); in xudc_irq()
2057 struct xusb_udc *udc; in xudc_probe() local
2064 udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); in xudc_probe()
2065 if (!udc) in xudc_probe()
2069 udc->req = devm_kzalloc(&pdev->dev, sizeof(struct xusb_req), in xudc_probe()
2071 if (!udc->req) in xudc_probe()
2078 udc->req->usb_req.buf = buff; in xudc_probe()
2082 udc->addr = devm_ioremap_resource(&pdev->dev, res); in xudc_probe()
2083 if (IS_ERR(udc->addr)) in xudc_probe()
2084 return PTR_ERR(udc->addr); in xudc_probe()
2092 dev_name(&pdev->dev), udc); in xudc_probe()
2098 udc->dma_enabled = of_property_read_bool(np, "xlnx,has-builtin-dma"); in xudc_probe()
2101 udc->gadget.ops = &xusb_udc_ops; in xudc_probe()
2102 udc->gadget.max_speed = USB_SPEED_HIGH; in xudc_probe()
2103 udc->gadget.speed = USB_SPEED_UNKNOWN; in xudc_probe()
2104 udc->gadget.ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO].ep_usb; in xudc_probe()
2105 udc->gadget.name = driver_name; in xudc_probe()
2107 spin_lock_init(&udc->lock); in xudc_probe()
2110 udc->write_fn = xudc_write32_be; in xudc_probe()
2111 udc->read_fn = xudc_read32_be; in xudc_probe()
2112 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, TEST_J); in xudc_probe()
2113 if ((udc->read_fn(udc->addr + XUSB_TESTMODE_OFFSET)) in xudc_probe()
2115 udc->write_fn = xudc_write32; in xudc_probe()
2116 udc->read_fn = xudc_read32; in xudc_probe()
2118 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_probe()
2120 xudc_eps_init(udc); in xudc_probe()
2122 ep0 = &udc->ep[0]; in xudc_probe()
2125 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_probe()
2127 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in xudc_probe()
2131 udc->dev = &udc->gadget.dev; in xudc_probe()
2139 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_probe()
2141 platform_set_drvdata(pdev, udc); in xudc_probe()
2144 driver_name, (u32)res->start, udc->addr, in xudc_probe()
2145 udc->dma_enabled ? "with DMA" : "without DMA"); in xudc_probe()
2161 struct xusb_udc *udc = platform_get_drvdata(pdev); in xudc_remove() local
2163 usb_del_gadget_udc(&udc->gadget); in xudc_remove()