Lines Matching refs:udc
144 struct xusb_udc *udc; member
261 static void xudc_wrstatus(struct xusb_udc *udc) in xudc_wrstatus() argument
263 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_wrstatus()
266 epcfgreg = udc->read_fn(udc->addr + ep0->offset)| in xudc_wrstatus()
268 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_wrstatus()
269 udc->write_fn(udc->addr, ep0->offset + XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_wrstatus()
270 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_wrstatus()
281 static void xudc_epconfig(struct xusb_ep *ep, struct xusb_udc *udc) in xudc_epconfig() argument
291 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_epconfig()
294 udc->write_fn(udc->addr, ep->offset + XUSB_EP_BUF0COUNT_OFFSET, in xudc_epconfig()
296 udc->write_fn(udc->addr, ep->offset + XUSB_EP_BUF1COUNT_OFFSET, in xudc_epconfig()
299 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_epconfig()
302 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_epconfig()
321 struct xusb_udc *udc = ep->udc; in xudc_start_dma() local
331 udc->write_fn(udc->addr, XUSB_DMA_DSAR_ADDR_OFFSET, src); in xudc_start_dma()
332 udc->write_fn(udc->addr, XUSB_DMA_DDAR_ADDR_OFFSET, dst); in xudc_start_dma()
333 udc->write_fn(udc->addr, XUSB_DMA_LENGTH_OFFSET, length); in xudc_start_dma()
341 reg = udc->read_fn(udc->addr + XUSB_DMA_STATUS_OFFSET); in xudc_start_dma()
351 dev_err(udc->dev, "DMA timeout\n"); in xudc_start_dma()
357 if ((udc->read_fn(udc->addr + XUSB_DMA_STATUS_OFFSET) & in xudc_start_dma()
359 dev_err(udc->dev, "DMA Error\n"); in xudc_start_dma()
384 struct xusb_udc *udc = ep->udc; in xudc_dma_send() local
388 dma_sync_single_for_device(udc->dev, src, in xudc_dma_send()
392 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_dma_send()
394 udc->write_fn(udc->addr, ep->offset + in xudc_dma_send()
396 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_send()
402 eprambase = (u32 __force *)(udc->addr + ep->rambase + in xudc_dma_send()
405 udc->write_fn(udc->addr, ep->offset + in xudc_dma_send()
407 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_send()
438 struct xusb_udc *udc = ep->udc; in xudc_dma_receive() local
443 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_dma_receive()
445 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_receive()
452 eprambase = (u32 __force *)(udc->addr + in xudc_dma_receive()
455 udc->write_fn(udc->addr, XUSB_DMA_CONTROL_OFFSET, in xudc_dma_receive()
487 struct xusb_udc *udc = ep->udc; in xudc_eptxrx() local
490 if (udc->dma_enabled) { in xudc_eptxrx()
500 eprambase = (u32 __force *)(udc->addr + ep->rambase); in xudc_eptxrx()
503 udc->write_fn(udc->addr, ep->offset + in xudc_eptxrx()
511 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_eptxrx()
517 eprambase = (u32 __force *)(udc->addr + ep->rambase + in xudc_eptxrx()
521 udc->write_fn(udc->addr, ep->offset + in xudc_eptxrx()
529 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in xudc_eptxrx()
551 struct xusb_udc *udc = ep->udc; in xudc_done() local
561 dev_dbg(udc->dev, "%s done %p, status %d\n", in xudc_done()
564 if (udc->dma_enabled && ep->epnumber && req->usb_req.length) in xudc_done()
565 usb_gadget_unmap_request(&udc->gadget, &req->usb_req, in xudc_done()
569 spin_unlock(&udc->lock); in xudc_done()
571 spin_lock(&udc->lock); in xudc_done()
592 struct xusb_udc *udc = ep->udc; in xudc_read_fifo() local
595 dev_dbg(udc->dev, "Packet NOT ready!\n"); in xudc_read_fifo()
604 count = udc->read_fn(udc->addr + ep->offset + bufoffset); in xudc_read_fifo()
621 dev_dbg(udc->dev, "%s overflow %d\n", in xudc_read_fifo()
632 dev_dbg(udc->dev, "read %s, %d bytes%s req %p %d/%d\n", in xudc_read_fifo()
638 if (udc->dma_enabled && req->usb_req.length) in xudc_read_fifo()
639 dma_sync_single_for_cpu(udc->dev, in xudc_read_fifo()
652 dev_dbg(udc->dev, "receive busy\n"); in xudc_read_fifo()
680 struct xusb_udc *udc = ep->udc; in xudc_write_fifo() local
703 dev_dbg(udc->dev, "%s: wrote %s %d bytes%s%s %d left %p\n", in xudc_write_fifo()
714 dev_dbg(udc->dev, "Send busy\n"); in xudc_write_fifo()
752 struct xusb_udc *udc; in xudc_ep_set_halt() local
760 udc = ep->udc; in xudc_ep_set_halt()
763 dev_dbg(udc->dev, "requests pending can't halt\n"); in xudc_ep_set_halt()
768 dev_dbg(udc->dev, "HW buffers busy can't halt\n"); in xudc_ep_set_halt()
772 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_set_halt()
776 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_set_halt()
778 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
781 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_set_halt()
783 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
786 epcfgreg = udc->read_fn(ep->udc->addr + ep->offset); in xudc_ep_set_halt()
788 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_ep_set_halt()
792 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_set_halt()
806 struct xusb_udc *udc = ep->udc; in __xudc_ep_enable() local
822 dev_dbg(udc->dev, "only one control endpoint\n"); in __xudc_ep_enable()
830 dev_dbg(udc->dev, "bogus maxpacket %d\n", maxpacket); in __xudc_ep_enable()
839 dev_dbg(udc->dev, "bogus maxpacket %d\n", maxpacket); in __xudc_ep_enable()
853 xudc_epconfig(ep, udc); in __xudc_ep_enable()
855 dev_dbg(udc->dev, "Enable Endpoint %d max pkt is %d\n", in __xudc_ep_enable()
859 epcfg = udc->read_fn(udc->addr + ep->offset); in __xudc_ep_enable()
861 udc->write_fn(udc->addr, ep->offset, epcfg); in __xudc_ep_enable()
866 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in __xudc_ep_enable()
868 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in __xudc_ep_enable()
872 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in __xudc_ep_enable()
875 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, in __xudc_ep_enable()
895 struct xusb_udc *udc; in xudc_ep_enable() local
905 udc = ep->udc; in xudc_ep_enable()
907 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in xudc_ep_enable()
908 dev_dbg(udc->dev, "bogus device state\n"); in xudc_ep_enable()
912 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_enable()
914 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_enable()
930 struct xusb_udc *udc; in xudc_ep_disable() local
938 udc = ep->udc; in xudc_ep_disable()
940 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_disable()
948 dev_dbg(udc->dev, "USB Ep %d disable\n ", ep->epnumber); in xudc_ep_disable()
950 epcfg = udc->read_fn(udc->addr + ep->offset); in xudc_ep_disable()
952 udc->write_fn(udc->addr, ep->offset, epcfg); in xudc_ep_disable()
954 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_disable()
1001 struct xusb_udc *udc = ep0->udc; in __xudc_ep0_queue() local
1005 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in __xudc_ep0_queue()
1006 dev_dbg(udc->dev, "%s, bogus device state\n", __func__); in __xudc_ep0_queue()
1010 dev_dbg(udc->dev, "%s:ep0 busy\n", __func__); in __xudc_ep0_queue()
1019 if (udc->setup.bRequestType & USB_DIR_IN) { in __xudc_ep0_queue()
1023 udc->addr); in __xudc_ep0_queue()
1027 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, length); in __xudc_ep0_queue()
1028 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in __xudc_ep0_queue()
1030 if (udc->setup.wLength) { in __xudc_ep0_queue()
1032 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, 0); in __xudc_ep0_queue()
1033 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in __xudc_ep0_queue()
1035 xudc_wrstatus(udc); in __xudc_ep0_queue()
1055 struct xusb_udc *udc = ep0->udc; in xudc_ep0_queue() local
1059 spin_lock_irqsave(&udc->lock, flags); in xudc_ep0_queue()
1061 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep0_queue()
1079 struct xusb_udc *udc = ep->udc; in xudc_ep_queue() local
1084 dev_dbg(udc->dev, "%s: queuing request to disabled %s\n", in xudc_ep_queue()
1089 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { in xudc_ep_queue()
1090 dev_dbg(udc->dev, "%s, bogus device state\n", __func__); in xudc_ep_queue()
1094 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_queue()
1099 if (udc->dma_enabled) { in xudc_ep_queue()
1100 ret = usb_gadget_map_request(&udc->gadget, &req->usb_req, in xudc_ep_queue()
1103 dev_dbg(udc->dev, "gadget_map failed ep%d\n", in xudc_ep_queue()
1105 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_queue()
1112 dev_dbg(udc->dev, "xudc_write_fifo from ep_queue\n"); in xudc_ep_queue()
1116 dev_dbg(udc->dev, "xudc_read_fifo from ep_queue\n"); in xudc_ep_queue()
1125 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_queue()
1140 struct xusb_udc *udc = ep->udc; in xudc_ep_dequeue() local
1143 spin_lock_irqsave(&udc->lock, flags); in xudc_ep_dequeue()
1150 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_dequeue()
1154 spin_unlock_irqrestore(&udc->lock, flags); in xudc_ep_dequeue()
1215 struct xusb_udc *udc; in xudc_get_frame() local
1221 udc = to_udc(gadget); in xudc_get_frame()
1222 frame = udc->read_fn(udc->addr + XUSB_FRAMENUM_OFFSET); in xudc_get_frame()
1234 struct xusb_udc *udc = to_udc(gadget); in xudc_wakeup() local
1239 spin_lock_irqsave(&udc->lock, flags); in xudc_wakeup()
1242 if (!udc->remote_wkp) in xudc_wakeup()
1245 crtlreg = udc->read_fn(udc->addr + XUSB_CONTROL_OFFSET); in xudc_wakeup()
1248 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_wakeup()
1256 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_wakeup()
1259 spin_unlock_irqrestore(&udc->lock, flags); in xudc_wakeup()
1274 struct xusb_udc *udc = to_udc(gadget); in xudc_pullup() local
1278 spin_lock_irqsave(&udc->lock, flags); in xudc_pullup()
1280 crtlreg = udc->read_fn(udc->addr + XUSB_CONTROL_OFFSET); in xudc_pullup()
1286 udc->write_fn(udc->addr, XUSB_CONTROL_OFFSET, crtlreg); in xudc_pullup()
1288 spin_unlock_irqrestore(&udc->lock, flags); in xudc_pullup()
1297 static void xudc_eps_init(struct xusb_udc *udc) in xudc_eps_init() argument
1301 INIT_LIST_HEAD(&udc->gadget.ep_list); in xudc_eps_init()
1304 struct xusb_ep *ep = &udc->ep[ep_number]; in xudc_eps_init()
1308 &udc->gadget.ep_list); in xudc_eps_init()
1329 ep->udc = udc; in xudc_eps_init()
1340 xudc_epconfig(ep, udc); in xudc_eps_init()
1351 static void xudc_stop_activity(struct xusb_udc *udc) in xudc_stop_activity() argument
1357 ep = &udc->ep[i]; in xudc_stop_activity()
1372 struct xusb_udc *udc = to_udc(gadget); in xudc_start() local
1373 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_start()
1378 spin_lock_irqsave(&udc->lock, flags); in xudc_start()
1380 if (udc->driver) { in xudc_start()
1381 dev_err(udc->dev, "%s is already bound to %s\n", in xudc_start()
1382 udc->gadget.name, udc->driver->driver.name); in xudc_start()
1388 udc->driver = driver; in xudc_start()
1389 udc->gadget.speed = driver->max_speed; in xudc_start()
1395 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_start()
1396 udc->remote_wkp = 0; in xudc_start()
1398 spin_unlock_irqrestore(&udc->lock, flags); in xudc_start()
1410 struct xusb_udc *udc = to_udc(gadget); in xudc_stop() local
1413 spin_lock_irqsave(&udc->lock, flags); in xudc_stop()
1415 udc->gadget.speed = USB_SPEED_UNKNOWN; in xudc_stop()
1416 udc->driver = NULL; in xudc_stop()
1419 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_stop()
1420 udc->remote_wkp = 0; in xudc_stop()
1422 xudc_stop_activity(udc); in xudc_stop()
1424 spin_unlock_irqrestore(&udc->lock, flags); in xudc_stop()
1441 static void xudc_clear_stall_all_ep(struct xusb_udc *udc) in xudc_clear_stall_all_ep() argument
1448 ep = &udc->ep[i]; in xudc_clear_stall_all_ep()
1449 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1451 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1454 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1456 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1468 static void xudc_startup_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_startup_handler() argument
1474 dev_dbg(udc->dev, "Reset\n"); in xudc_startup_handler()
1477 udc->gadget.speed = USB_SPEED_HIGH; in xudc_startup_handler()
1479 udc->gadget.speed = USB_SPEED_FULL; in xudc_startup_handler()
1481 xudc_stop_activity(udc); in xudc_startup_handler()
1482 xudc_clear_stall_all_ep(udc); in xudc_startup_handler()
1483 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_startup_handler()
1486 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_startup_handler()
1487 udc->remote_wkp = 0; in xudc_startup_handler()
1490 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1493 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1497 dev_dbg(udc->dev, "Suspend\n"); in xudc_startup_handler()
1500 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1503 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1505 udc->usb_state = USB_STATE_SUSPENDED; in xudc_startup_handler()
1507 if (udc->driver->suspend) { in xudc_startup_handler()
1508 spin_unlock(&udc->lock); in xudc_startup_handler()
1509 udc->driver->suspend(&udc->gadget); in xudc_startup_handler()
1510 spin_lock(&udc->lock); in xudc_startup_handler()
1514 bool condition = (udc->usb_state != USB_STATE_SUSPENDED); in xudc_startup_handler()
1516 dev_WARN_ONCE(udc->dev, condition, in xudc_startup_handler()
1519 dev_dbg(udc->dev, "Resume\n"); in xudc_startup_handler()
1522 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1525 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1527 udc->usb_state = 0; in xudc_startup_handler()
1529 if (udc->driver->resume) { in xudc_startup_handler()
1530 spin_unlock(&udc->lock); in xudc_startup_handler()
1531 udc->driver->resume(&udc->gadget); in xudc_startup_handler()
1532 spin_lock(&udc->lock); in xudc_startup_handler()
1537 dev_dbg(udc->dev, "Disconnect\n"); in xudc_startup_handler()
1540 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1543 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1545 if (udc->driver && udc->driver->disconnect) { in xudc_startup_handler()
1546 spin_unlock(&udc->lock); in xudc_startup_handler()
1547 udc->driver->disconnect(&udc->gadget); in xudc_startup_handler()
1548 spin_lock(&udc->lock); in xudc_startup_handler()
1559 static void xudc_ep0_stall(struct xusb_udc *udc) in xudc_ep0_stall() argument
1562 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_ep0_stall()
1564 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_stall()
1566 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_stall()
1575 static void xudc_setaddress(struct xusb_udc *udc) in xudc_setaddress() argument
1577 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_setaddress()
1578 struct xusb_req *req = udc->req; in xudc_setaddress()
1586 dev_err(udc->dev, "Can't respond to SET ADDRESS request\n"); in xudc_setaddress()
1587 xudc_ep0_stall(udc); in xudc_setaddress()
1596 static void xudc_getstatus(struct xusb_udc *udc) in xudc_getstatus() argument
1598 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_getstatus()
1599 struct xusb_req *req = udc->req; in xudc_getstatus()
1607 switch (udc->setup.bRequestType & USB_RECIP_MASK) { in xudc_getstatus()
1611 if (udc->remote_wkp) in xudc_getstatus()
1617 epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_getstatus()
1618 target_ep = &udc->ep[epnum]; in xudc_getstatus()
1619 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_getstatus()
1621 if (udc->setup.wIndex & USB_DIR_IN) { in xudc_getstatus()
1641 dev_err(udc->dev, "Can't respond to getstatus request\n"); in xudc_getstatus()
1642 xudc_ep0_stall(udc); in xudc_getstatus()
1651 static void xudc_set_clear_feature(struct xusb_udc *udc) in xudc_set_clear_feature() argument
1653 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_set_clear_feature()
1654 struct xusb_req *req = udc->req; in xudc_set_clear_feature()
1659 int flag = (udc->setup.bRequest == USB_REQ_SET_FEATURE ? 1 : 0); in xudc_set_clear_feature()
1662 switch (udc->setup.bRequestType) { in xudc_set_clear_feature()
1664 switch (udc->setup.wValue) { in xudc_set_clear_feature()
1673 udc->remote_wkp = 1; in xudc_set_clear_feature()
1675 udc->remote_wkp = 0; in xudc_set_clear_feature()
1678 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1683 if (!udc->setup.wValue) { in xudc_set_clear_feature()
1684 endpoint = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_set_clear_feature()
1685 target_ep = &udc->ep[endpoint]; in xudc_set_clear_feature()
1686 outinbit = udc->setup.wIndex & USB_ENDPOINT_DIR_MASK; in xudc_set_clear_feature()
1691 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1694 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_set_clear_feature()
1698 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1703 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1710 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1718 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1727 dev_err(udc->dev, "Can't respond to SET/CLEAR FEATURE\n"); in xudc_set_clear_feature()
1728 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1737 static void xudc_handle_setup(struct xusb_udc *udc) in xudc_handle_setup() argument
1738 __must_hold(&udc->lock) in xudc_handle_setup()
1740 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_handle_setup()
1745 ep0rambase = (u32 __force *) (udc->addr + XUSB_SETUP_PKT_ADDR_OFFSET); in xudc_handle_setup()
1748 udc->setup = setup; in xudc_handle_setup()
1749 udc->setup.wValue = cpu_to_le16(setup.wValue); in xudc_handle_setup()
1750 udc->setup.wIndex = cpu_to_le16(setup.wIndex); in xudc_handle_setup()
1751 udc->setup.wLength = cpu_to_le16(setup.wLength); in xudc_handle_setup()
1756 if (udc->setup.bRequestType & USB_DIR_IN) { in xudc_handle_setup()
1758 udc->setupseqrx = STATUS_PHASE; in xudc_handle_setup()
1759 udc->setupseqtx = DATA_PHASE; in xudc_handle_setup()
1762 udc->setupseqrx = DATA_PHASE; in xudc_handle_setup()
1763 udc->setupseqtx = STATUS_PHASE; in xudc_handle_setup()
1766 switch (udc->setup.bRequest) { in xudc_handle_setup()
1769 if ((udc->setup.bRequestType & in xudc_handle_setup()
1773 xudc_getstatus(udc); in xudc_handle_setup()
1777 if (udc->setup.bRequestType != (USB_DIR_OUT | in xudc_handle_setup()
1780 xudc_setaddress(udc); in xudc_handle_setup()
1785 if ((udc->setup.bRequestType & USB_TYPE_MASK) in xudc_handle_setup()
1788 xudc_set_clear_feature(udc); in xudc_handle_setup()
1794 spin_unlock(&udc->lock); in xudc_handle_setup()
1795 if (udc->driver->setup(&udc->gadget, &setup) < 0) in xudc_handle_setup()
1796 xudc_ep0_stall(udc); in xudc_handle_setup()
1797 spin_lock(&udc->lock); in xudc_handle_setup()
1804 static void xudc_ep0_out(struct xusb_udc *udc) in xudc_ep0_out() argument
1806 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_out()
1814 switch (udc->setupseqrx) { in xudc_ep0_out()
1820 udc->setupseqrx = SETUP_PHASE; in xudc_ep0_out()
1821 udc->setupseqtx = SETUP_PHASE; in xudc_ep0_out()
1826 bytes_to_rx = udc->read_fn(udc->addr + in xudc_ep0_out()
1829 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_out()
1837 xudc_wrstatus(udc); in xudc_ep0_out()
1840 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_ep0_out()
1841 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_out()
1853 static void xudc_ep0_in(struct xusb_udc *udc) in xudc_ep0_in() argument
1855 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_in()
1863 u8 test_mode = udc->setup.wIndex >> 8; in xudc_ep0_in()
1868 switch (udc->setupseqtx) { in xudc_ep0_in()
1870 switch (udc->setup.bRequest) { in xudc_ep0_in()
1873 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, in xudc_ep0_in()
1874 udc->setup.wValue); in xudc_ep0_in()
1877 if (udc->setup.bRequestType == in xudc_ep0_in()
1879 if (udc->setup.wValue == in xudc_ep0_in()
1881 udc->write_fn(udc->addr, in xudc_ep0_in()
1897 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_in()
1899 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_in()
1900 udc->setupseqtx = STATUS_PHASE; in xudc_ep0_in()
1905 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_in()
1911 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, count); in xudc_ep0_in()
1912 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_in()
1926 static void xudc_ctrl_ep_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_ctrl_ep_handler() argument
1930 xudc_handle_setup(udc); in xudc_ctrl_ep_handler()
1933 xudc_ep0_out(udc); in xudc_ctrl_ep_handler()
1935 xudc_ep0_in(udc); in xudc_ctrl_ep_handler()
1948 static void xudc_nonctrl_ep_handler(struct xusb_udc *udc, u8 epnum, in xudc_nonctrl_ep_handler() argument
1955 ep = &udc->ep[epnum]; in xudc_nonctrl_ep_handler()
1982 struct xusb_udc *udc = _udc; in xudc_irq() local
1989 spin_lock_irqsave(&udc->lock, flags); in xudc_irq()
1995 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
1997 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
2000 intrstatus = udc->read_fn(udc->addr + XUSB_STATUS_OFFSET); in xudc_irq()
2011 xudc_startup_handler(udc, intrstatus); in xudc_irq()
2017 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
2019 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
2022 xudc_ctrl_ep_handler(udc, intrstatus); in xudc_irq()
2031 xudc_nonctrl_ep_handler(udc, index, in xudc_irq()
2037 spin_unlock_irqrestore(&udc->lock, flags); in xudc_irq()
2051 struct xusb_udc *udc; in xudc_probe() local
2057 udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); in xudc_probe()
2058 if (!udc) in xudc_probe()
2062 udc->req = devm_kzalloc(&pdev->dev, sizeof(struct xusb_req), in xudc_probe()
2064 if (!udc->req) in xudc_probe()
2071 udc->req->usb_req.buf = buff; in xudc_probe()
2075 udc->addr = devm_ioremap_resource(&pdev->dev, res); in xudc_probe()
2076 if (IS_ERR(udc->addr)) in xudc_probe()
2077 return PTR_ERR(udc->addr); in xudc_probe()
2083 dev_name(&pdev->dev), udc); in xudc_probe()
2089 udc->dma_enabled = of_property_read_bool(np, "xlnx,has-builtin-dma"); in xudc_probe()
2092 udc->gadget.ops = &xusb_udc_ops; in xudc_probe()
2093 udc->gadget.max_speed = USB_SPEED_HIGH; in xudc_probe()
2094 udc->gadget.speed = USB_SPEED_UNKNOWN; in xudc_probe()
2095 udc->gadget.ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO].ep_usb; in xudc_probe()
2096 udc->gadget.name = driver_name; in xudc_probe()
2098 udc->clk = devm_clk_get(&pdev->dev, "s_axi_aclk"); in xudc_probe()
2099 if (IS_ERR(udc->clk)) { in xudc_probe()
2100 if (PTR_ERR(udc->clk) != -ENOENT) { in xudc_probe()
2101 ret = PTR_ERR(udc->clk); in xudc_probe()
2110 udc->clk = NULL; in xudc_probe()
2113 ret = clk_prepare_enable(udc->clk); in xudc_probe()
2119 spin_lock_init(&udc->lock); in xudc_probe()
2122 udc->write_fn = xudc_write32_be; in xudc_probe()
2123 udc->read_fn = xudc_read32_be; in xudc_probe()
2124 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, USB_TEST_J); in xudc_probe()
2125 if ((udc->read_fn(udc->addr + XUSB_TESTMODE_OFFSET)) in xudc_probe()
2127 udc->write_fn = xudc_write32; in xudc_probe()
2128 udc->read_fn = xudc_read32; in xudc_probe()
2130 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_probe()
2132 xudc_eps_init(udc); in xudc_probe()
2135 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_probe()
2137 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in xudc_probe()
2141 udc->dev = &udc->gadget.dev; in xudc_probe()
2149 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_probe()
2151 platform_set_drvdata(pdev, udc); in xudc_probe()
2154 driver_name, (u32)res->start, udc->addr, in xudc_probe()
2155 udc->dma_enabled ? "with DMA" : "without DMA"); in xudc_probe()
2160 clk_disable_unprepare(udc->clk); in xudc_probe()
2174 struct xusb_udc *udc = platform_get_drvdata(pdev); in xudc_remove() local
2176 usb_del_gadget_udc(&udc->gadget); in xudc_remove()
2177 clk_disable_unprepare(udc->clk); in xudc_remove()