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()
1326 ep->udc = udc; in xudc_eps_init()
1337 xudc_epconfig(ep, udc); in xudc_eps_init()
1348 static void xudc_stop_activity(struct xusb_udc *udc) in xudc_stop_activity() argument
1354 ep = &udc->ep[i]; in xudc_stop_activity()
1369 struct xusb_udc *udc = to_udc(gadget); in xudc_start() local
1370 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_start()
1375 spin_lock_irqsave(&udc->lock, flags); in xudc_start()
1377 if (udc->driver) { in xudc_start()
1378 dev_err(udc->dev, "%s is already bound to %s\n", in xudc_start()
1379 udc->gadget.name, udc->driver->driver.name); in xudc_start()
1385 udc->driver = driver; in xudc_start()
1386 udc->gadget.speed = driver->max_speed; in xudc_start()
1392 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_start()
1393 udc->remote_wkp = 0; in xudc_start()
1395 spin_unlock_irqrestore(&udc->lock, flags); in xudc_start()
1408 struct xusb_udc *udc = to_udc(gadget); in xudc_stop() local
1411 spin_lock_irqsave(&udc->lock, flags); in xudc_stop()
1413 udc->gadget.speed = USB_SPEED_UNKNOWN; in xudc_stop()
1414 udc->driver = NULL; in xudc_stop()
1417 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_stop()
1418 udc->remote_wkp = 0; in xudc_stop()
1420 xudc_stop_activity(udc); in xudc_stop()
1422 spin_unlock_irqrestore(&udc->lock, flags); in xudc_stop()
1439 static void xudc_clear_stall_all_ep(struct xusb_udc *udc) in xudc_clear_stall_all_ep() argument
1446 ep = &udc->ep[i]; in xudc_clear_stall_all_ep()
1447 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1449 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1452 epcfgreg = udc->read_fn(udc->addr + ep->offset); in xudc_clear_stall_all_ep()
1454 udc->write_fn(udc->addr, ep->offset, epcfgreg); in xudc_clear_stall_all_ep()
1466 static void xudc_startup_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_startup_handler() argument
1472 dev_dbg(udc->dev, "Reset\n"); in xudc_startup_handler()
1475 udc->gadget.speed = USB_SPEED_HIGH; in xudc_startup_handler()
1477 udc->gadget.speed = USB_SPEED_FULL; in xudc_startup_handler()
1479 xudc_stop_activity(udc); in xudc_startup_handler()
1480 xudc_clear_stall_all_ep(udc); in xudc_startup_handler()
1481 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_startup_handler()
1484 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_startup_handler()
1485 udc->remote_wkp = 0; in xudc_startup_handler()
1488 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1491 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1495 dev_dbg(udc->dev, "Suspend\n"); in xudc_startup_handler()
1498 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1501 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1503 udc->usb_state = USB_STATE_SUSPENDED; in xudc_startup_handler()
1505 if (udc->driver->suspend) { in xudc_startup_handler()
1506 spin_unlock(&udc->lock); in xudc_startup_handler()
1507 udc->driver->suspend(&udc->gadget); in xudc_startup_handler()
1508 spin_lock(&udc->lock); in xudc_startup_handler()
1512 bool condition = (udc->usb_state != USB_STATE_SUSPENDED); in xudc_startup_handler()
1514 dev_WARN_ONCE(udc->dev, condition, in xudc_startup_handler()
1517 dev_dbg(udc->dev, "Resume\n"); in xudc_startup_handler()
1520 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1523 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1525 udc->usb_state = 0; in xudc_startup_handler()
1527 if (udc->driver->resume) { in xudc_startup_handler()
1528 spin_unlock(&udc->lock); in xudc_startup_handler()
1529 udc->driver->resume(&udc->gadget); in xudc_startup_handler()
1530 spin_lock(&udc->lock); in xudc_startup_handler()
1535 dev_dbg(udc->dev, "Disconnect\n"); in xudc_startup_handler()
1538 intrreg = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_startup_handler()
1541 udc->write_fn(udc->addr, XUSB_IER_OFFSET, intrreg); in xudc_startup_handler()
1543 if (udc->driver && udc->driver->disconnect) { in xudc_startup_handler()
1544 spin_unlock(&udc->lock); in xudc_startup_handler()
1545 udc->driver->disconnect(&udc->gadget); in xudc_startup_handler()
1546 spin_lock(&udc->lock); in xudc_startup_handler()
1557 static void xudc_ep0_stall(struct xusb_udc *udc) in xudc_ep0_stall() argument
1560 struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO]; in xudc_ep0_stall()
1562 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_stall()
1564 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_stall()
1573 static void xudc_setaddress(struct xusb_udc *udc) in xudc_setaddress() argument
1575 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_setaddress()
1576 struct xusb_req *req = udc->req; in xudc_setaddress()
1584 dev_err(udc->dev, "Can't respond to SET ADDRESS request\n"); in xudc_setaddress()
1585 xudc_ep0_stall(udc); in xudc_setaddress()
1594 static void xudc_getstatus(struct xusb_udc *udc) in xudc_getstatus() argument
1596 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_getstatus()
1597 struct xusb_req *req = udc->req; in xudc_getstatus()
1605 switch (udc->setup.bRequestType & USB_RECIP_MASK) { in xudc_getstatus()
1609 if (udc->remote_wkp) in xudc_getstatus()
1615 epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_getstatus()
1616 target_ep = &udc->ep[epnum]; in xudc_getstatus()
1617 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_getstatus()
1619 if (udc->setup.wIndex & USB_DIR_IN) { in xudc_getstatus()
1639 dev_err(udc->dev, "Can't respond to getstatus request\n"); in xudc_getstatus()
1640 xudc_ep0_stall(udc); in xudc_getstatus()
1649 static void xudc_set_clear_feature(struct xusb_udc *udc) in xudc_set_clear_feature() argument
1651 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_set_clear_feature()
1652 struct xusb_req *req = udc->req; in xudc_set_clear_feature()
1657 int flag = (udc->setup.bRequest == USB_REQ_SET_FEATURE ? 1 : 0); in xudc_set_clear_feature()
1660 switch (udc->setup.bRequestType) { in xudc_set_clear_feature()
1662 switch (udc->setup.wValue) { in xudc_set_clear_feature()
1671 udc->remote_wkp = 1; in xudc_set_clear_feature()
1673 udc->remote_wkp = 0; in xudc_set_clear_feature()
1676 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1681 if (!udc->setup.wValue) { in xudc_set_clear_feature()
1682 endpoint = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK; in xudc_set_clear_feature()
1683 target_ep = &udc->ep[endpoint]; in xudc_set_clear_feature()
1684 outinbit = udc->setup.wIndex & USB_ENDPOINT_DIR_MASK; in xudc_set_clear_feature()
1689 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1692 epcfgreg = udc->read_fn(udc->addr + target_ep->offset); in xudc_set_clear_feature()
1696 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1701 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1708 udc->write_fn(udc->addr, in xudc_set_clear_feature()
1716 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1725 dev_err(udc->dev, "Can't respond to SET/CLEAR FEATURE\n"); in xudc_set_clear_feature()
1726 xudc_ep0_stall(udc); in xudc_set_clear_feature()
1735 static void xudc_handle_setup(struct xusb_udc *udc) in xudc_handle_setup() argument
1737 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_handle_setup()
1742 ep0rambase = (u32 __force *) (udc->addr + XUSB_SETUP_PKT_ADDR_OFFSET); in xudc_handle_setup()
1745 udc->setup = setup; in xudc_handle_setup()
1746 udc->setup.wValue = cpu_to_le16(setup.wValue); in xudc_handle_setup()
1747 udc->setup.wIndex = cpu_to_le16(setup.wIndex); in xudc_handle_setup()
1748 udc->setup.wLength = cpu_to_le16(setup.wLength); in xudc_handle_setup()
1753 if (udc->setup.bRequestType & USB_DIR_IN) { in xudc_handle_setup()
1755 udc->setupseqrx = STATUS_PHASE; in xudc_handle_setup()
1756 udc->setupseqtx = DATA_PHASE; in xudc_handle_setup()
1759 udc->setupseqrx = DATA_PHASE; in xudc_handle_setup()
1760 udc->setupseqtx = STATUS_PHASE; in xudc_handle_setup()
1763 switch (udc->setup.bRequest) { in xudc_handle_setup()
1766 if ((udc->setup.bRequestType & in xudc_handle_setup()
1770 xudc_getstatus(udc); in xudc_handle_setup()
1774 if (udc->setup.bRequestType != (USB_DIR_OUT | in xudc_handle_setup()
1777 xudc_setaddress(udc); in xudc_handle_setup()
1782 if ((udc->setup.bRequestType & USB_TYPE_MASK) in xudc_handle_setup()
1785 xudc_set_clear_feature(udc); in xudc_handle_setup()
1791 spin_unlock(&udc->lock); in xudc_handle_setup()
1792 if (udc->driver->setup(&udc->gadget, &setup) < 0) in xudc_handle_setup()
1793 xudc_ep0_stall(udc); in xudc_handle_setup()
1794 spin_lock(&udc->lock); in xudc_handle_setup()
1801 static void xudc_ep0_out(struct xusb_udc *udc) in xudc_ep0_out() argument
1803 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_out()
1811 switch (udc->setupseqrx) { in xudc_ep0_out()
1817 udc->setupseqrx = SETUP_PHASE; in xudc_ep0_out()
1818 udc->setupseqtx = SETUP_PHASE; in xudc_ep0_out()
1823 bytes_to_rx = udc->read_fn(udc->addr + in xudc_ep0_out()
1826 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_out()
1834 xudc_wrstatus(udc); in xudc_ep0_out()
1837 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, 0); in xudc_ep0_out()
1838 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_out()
1850 static void xudc_ep0_in(struct xusb_udc *udc) in xudc_ep0_in() argument
1852 struct xusb_ep *ep0 = &udc->ep[0]; in xudc_ep0_in()
1860 u8 test_mode = udc->setup.wIndex >> 8; in xudc_ep0_in()
1865 switch (udc->setupseqtx) { in xudc_ep0_in()
1867 switch (udc->setup.bRequest) { in xudc_ep0_in()
1870 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, in xudc_ep0_in()
1871 udc->setup.wValue); in xudc_ep0_in()
1874 if (udc->setup.bRequestType == in xudc_ep0_in()
1876 if (udc->setup.wValue == in xudc_ep0_in()
1878 udc->write_fn(udc->addr, in xudc_ep0_in()
1894 epcfgreg = udc->read_fn(udc->addr + ep0->offset); in xudc_ep0_in()
1896 udc->write_fn(udc->addr, ep0->offset, epcfgreg); in xudc_ep0_in()
1897 udc->setupseqtx = STATUS_PHASE; in xudc_ep0_in()
1902 ep0rambase = (u8 __force *) (udc->addr + in xudc_ep0_in()
1908 udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, count); in xudc_ep0_in()
1909 udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1); in xudc_ep0_in()
1923 static void xudc_ctrl_ep_handler(struct xusb_udc *udc, u32 intrstatus) in xudc_ctrl_ep_handler() argument
1927 xudc_handle_setup(udc); in xudc_ctrl_ep_handler()
1930 xudc_ep0_out(udc); in xudc_ctrl_ep_handler()
1932 xudc_ep0_in(udc); in xudc_ctrl_ep_handler()
1945 static void xudc_nonctrl_ep_handler(struct xusb_udc *udc, u8 epnum, in xudc_nonctrl_ep_handler() argument
1952 ep = &udc->ep[epnum]; in xudc_nonctrl_ep_handler()
1979 struct xusb_udc *udc = _udc; in xudc_irq() local
1986 spin_lock_irqsave(&udc->lock, flags); in xudc_irq()
1992 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
1994 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
1997 intrstatus = udc->read_fn(udc->addr + XUSB_STATUS_OFFSET); in xudc_irq()
2008 xudc_startup_handler(udc, intrstatus); in xudc_irq()
2014 ier = udc->read_fn(udc->addr + XUSB_IER_OFFSET); in xudc_irq()
2016 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_irq()
2019 xudc_ctrl_ep_handler(udc, intrstatus); in xudc_irq()
2028 xudc_nonctrl_ep_handler(udc, index, in xudc_irq()
2034 spin_unlock_irqrestore(&udc->lock, flags); in xudc_irq()
2048 struct xusb_udc *udc; in xudc_probe() local
2055 udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); in xudc_probe()
2056 if (!udc) in xudc_probe()
2060 udc->req = devm_kzalloc(&pdev->dev, sizeof(struct xusb_req), in xudc_probe()
2062 if (!udc->req) in xudc_probe()
2069 udc->req->usb_req.buf = buff; in xudc_probe()
2073 udc->addr = devm_ioremap_resource(&pdev->dev, res); in xudc_probe()
2074 if (IS_ERR(udc->addr)) in xudc_probe()
2075 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 spin_lock_init(&udc->lock); in xudc_probe()
2101 udc->write_fn = xudc_write32_be; in xudc_probe()
2102 udc->read_fn = xudc_read32_be; in xudc_probe()
2103 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, TEST_J); in xudc_probe()
2104 if ((udc->read_fn(udc->addr + XUSB_TESTMODE_OFFSET)) in xudc_probe()
2106 udc->write_fn = xudc_write32; in xudc_probe()
2107 udc->read_fn = xudc_read32; in xudc_probe()
2109 udc->write_fn(udc->addr, XUSB_TESTMODE_OFFSET, 0); in xudc_probe()
2111 xudc_eps_init(udc); in xudc_probe()
2113 ep0 = &udc->ep[0]; in xudc_probe()
2116 udc->write_fn(udc->addr, XUSB_ADDRESS_OFFSET, 0); in xudc_probe()
2118 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in xudc_probe()
2122 udc->dev = &udc->gadget.dev; in xudc_probe()
2130 udc->write_fn(udc->addr, XUSB_IER_OFFSET, ier); in xudc_probe()
2132 platform_set_drvdata(pdev, udc); in xudc_probe()
2135 driver_name, (u32)res->start, udc->addr, in xudc_probe()
2136 udc->dma_enabled ? "with DMA" : "without DMA"); in xudc_probe()
2152 struct xusb_udc *udc = platform_get_drvdata(pdev); in xudc_remove() local
2154 usb_del_gadget_udc(&udc->gadget); in xudc_remove()