Lines Matching full:dwc
33 * @dwc: pointer to our context structure
40 int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) in dwc3_gadget_set_test_mode() argument
44 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_set_test_mode()
59 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_set_test_mode()
66 * @dwc: pointer to our context structure
71 int dwc3_gadget_get_link_state(struct dwc3 *dwc) in dwc3_gadget_get_link_state() argument
75 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_get_link_state()
82 * @dwc: pointer to our context structure
88 int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) in dwc3_gadget_set_link_state() argument
97 if (dwc->revision >= DWC3_REVISION_194A) { in dwc3_gadget_set_link_state()
99 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_set_link_state()
110 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_set_link_state()
115 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_set_link_state()
121 if (dwc->revision >= DWC3_REVISION_194A) in dwc3_gadget_set_link_state()
127 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_set_link_state()
135 dev_vdbg(dwc->dev, "link state change request timed out\n"); in dwc3_gadget_set_link_state()
142 * @dwc: pointer to our context structure
161 int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc) in dwc3_gadget_resize_tx_fifos() argument
168 if (!dwc->needs_fifo_resize) in dwc3_gadget_resize_tx_fifos()
171 mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); in dwc3_gadget_resize_tx_fifos()
182 for (num = 0; num < dwc->num_in_eps; num++) { in dwc3_gadget_resize_tx_fifos()
184 struct dwc3_ep *dep = dwc->eps[(num << 1) | 1]; in dwc3_gadget_resize_tx_fifos()
213 dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n", in dwc3_gadget_resize_tx_fifos()
216 dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size); in dwc3_gadget_resize_tx_fifos()
227 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_giveback() local
250 if (dwc->ep0_bounced && dep->number == 0) in dwc3_gadget_giveback()
251 dwc->ep0_bounced = false; in dwc3_gadget_giveback()
253 usb_gadget_unmap_request(&dwc->gadget, &req->request, in dwc3_gadget_giveback()
256 dev_dbg(dwc->dev, "request %p from %s completed %d/%d ===> %d\n", in dwc3_gadget_giveback()
260 spin_unlock(&dwc->lock); in dwc3_gadget_giveback()
262 spin_lock(&dwc->lock); in dwc3_gadget_giveback()
265 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) in dwc3_send_gadget_generic_command() argument
270 dwc3_writel(dwc->regs, DWC3_DGCMDPAR, param); in dwc3_send_gadget_generic_command()
271 dwc3_writel(dwc->regs, DWC3_DGCMD, cmd | DWC3_DGCMD_CMDACT); in dwc3_send_gadget_generic_command()
274 reg = dwc3_readl(dwc->regs, DWC3_DGCMD); in dwc3_send_gadget_generic_command()
276 dev_vdbg(dwc->dev, "Command Complete --> %d\n", in dwc3_send_gadget_generic_command()
292 int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, in dwc3_send_gadget_ep_cmd() argument
298 dwc3_writel(dwc->regs, DWC3_DEPCMDPAR0(ep), params->param0); in dwc3_send_gadget_ep_cmd()
299 dwc3_writel(dwc->regs, DWC3_DEPCMDPAR1(ep), params->param1); in dwc3_send_gadget_ep_cmd()
300 dwc3_writel(dwc->regs, DWC3_DEPCMDPAR2(ep), params->param2); in dwc3_send_gadget_ep_cmd()
302 dwc3_writel(dwc->regs, DWC3_DEPCMD(ep), cmd | DWC3_DEPCMD_CMDACT); in dwc3_send_gadget_ep_cmd()
304 reg = dwc3_readl(dwc->regs, DWC3_DEPCMD(ep)); in dwc3_send_gadget_ep_cmd()
306 dev_vdbg(dwc->dev, "Command Complete --> %d\n", in dwc3_send_gadget_ep_cmd()
343 dev_err(dep->dwc->dev, "failed to allocate trb pool for %s\n", in dwc3_alloc_trb_pool()
359 static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep) in dwc3_gadget_start_config() argument
370 if (dwc->start_config_issued) in dwc3_gadget_start_config()
372 dwc->start_config_issued = true; in dwc3_gadget_start_config()
376 return dwc3_send_gadget_ep_cmd(dwc, 0, cmd, ¶ms); in dwc3_gadget_start_config()
382 static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, in dwc3_gadget_set_ep_config() argument
395 if (dwc->gadget.speed == USB_SPEED_SUPER) { in dwc3_gadget_set_ep_config()
441 return dwc3_send_gadget_ep_cmd(dwc, dep->number, in dwc3_gadget_set_ep_config()
445 static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep) in dwc3_gadget_set_xfer_resource() argument
453 return dwc3_send_gadget_ep_cmd(dwc, dep->number, in dwc3_gadget_set_xfer_resource()
469 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_enable() local
473 dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); in __dwc3_gadget_ep_enable()
476 ret = dwc3_gadget_start_config(dwc, dep); in __dwc3_gadget_ep_enable()
481 ret = dwc3_gadget_set_ep_config(dwc, dep, desc, comp_desc, ignore, in __dwc3_gadget_ep_enable()
490 ret = dwc3_gadget_set_xfer_resource(dwc, dep); in __dwc3_gadget_ep_enable()
499 reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); in __dwc3_gadget_ep_enable()
501 dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); in __dwc3_gadget_ep_enable()
521 static void dwc3_stop_active_transfer(struct dwc3 *dwc, u32 epnum, bool force);
522 static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep) in dwc3_remove_requests() argument
527 dwc3_stop_active_transfer(dwc, dep->number, true); in dwc3_remove_requests()
554 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_disable() local
557 dwc3_remove_requests(dwc, dep); in __dwc3_gadget_ep_disable()
563 reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); in __dwc3_gadget_ep_disable()
565 dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); in __dwc3_gadget_ep_disable()
630 dev_err(dwc->dev, "invalid endpoint transfer type\n"); in dwc3_gadget_ep_enable()
633 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_enable()
635 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_enable()
663 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_disable()
665 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_disable()
705 dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n", in dwc3_prepare_one_trb()
855 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_kick_transfer() local
860 dev_vdbg(dwc->dev, "%s: endpoint busy\n", dep->name); in __dwc3_gadget_kick_transfer()
899 ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, ¶ms); in __dwc3_gadget_kick_transfer()
901 dev_dbg(dwc->dev, "failed to send STARTTRANSFER command\n"); in __dwc3_gadget_kick_transfer()
908 usb_gadget_unmap_request(&dwc->gadget, &req->request, in __dwc3_gadget_kick_transfer()
917 dep->resource_index = dwc3_gadget_ep_get_transfer_index(dwc, in __dwc3_gadget_kick_transfer()
925 static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, in __dwc3_gadget_start_isoc() argument
931 dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n", in __dwc3_gadget_start_isoc()
943 static void dwc3_gadget_start_isoc(struct dwc3 *dwc, in dwc3_gadget_start_isoc() argument
951 __dwc3_gadget_start_isoc(dwc, dep, cur_uf); in dwc3_gadget_start_isoc()
956 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_queue() local
984 ret = usb_gadget_map_request(&dwc->gadget, &req->request, in __dwc3_gadget_ep_queue()
1011 dwc3_stop_active_transfer(dwc, dep->number, true); in __dwc3_gadget_ep_queue()
1019 dev_dbg(dwc->dev, "%s: failed to kick transfers\n", in __dwc3_gadget_ep_queue()
1036 dev_dbg(dwc->dev, "%s: failed to kick transfers\n", in __dwc3_gadget_ep_queue()
1051 dev_dbg(dwc->dev, "%s: failed to kick transfers\n", in __dwc3_gadget_ep_queue()
1069 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_queue()
1071 dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n", in dwc3_gadget_ep_queue()
1084 dev_vdbg(dwc->dev, "queing request %p to %s length %d\n", in dwc3_gadget_ep_queue()
1090 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_queue()
1102 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_dequeue() local
1107 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_dequeue()
1121 dwc3_stop_active_transfer(dwc, dep->number, true); in dwc3_gadget_ep_dequeue()
1124 dev_err(dwc->dev, "request %p was not queued to %s\n", in dwc3_gadget_ep_dequeue()
1135 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_dequeue()
1143 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_set_halt() local
1147 dev_err(dwc->dev, "%s is of Isochronous type\n", dep->name); in __dwc3_gadget_ep_set_halt()
1157 dev_dbg(dwc->dev, "%s: pending request, cannot halt\n", in __dwc3_gadget_ep_set_halt()
1162 ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, in __dwc3_gadget_ep_set_halt()
1165 dev_err(dwc->dev, "failed to set STALL on %s\n", in __dwc3_gadget_ep_set_halt()
1170 ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, in __dwc3_gadget_ep_set_halt()
1173 dev_err(dwc->dev, "failed to clear STALL on %s\n", in __dwc3_gadget_ep_set_halt()
1190 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_set_halt()
1192 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_set_halt()
1203 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_set_wedge()
1210 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_set_wedge()
1249 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_get_frame() local
1252 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_get_frame()
1258 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_wakeup() local
1270 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_wakeup()
1278 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_wakeup()
1282 dev_dbg(dwc->dev, "no wakeup on SuperSpeed\n"); in dwc3_gadget_wakeup()
1294 dev_dbg(dwc->dev, "can't wakeup from link state %d\n", in dwc3_gadget_wakeup()
1300 ret = dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RECOV); in dwc3_gadget_wakeup()
1302 dev_err(dwc->dev, "failed to put link in Recovery\n"); in dwc3_gadget_wakeup()
1307 if (dwc->revision < DWC3_REVISION_194A) { in dwc3_gadget_wakeup()
1309 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_wakeup()
1311 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_wakeup()
1318 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_wakeup()
1326 dev_err(dwc->dev, "failed to send remote wakeup\n"); in dwc3_gadget_wakeup()
1331 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_wakeup()
1339 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_set_selfpowered() local
1342 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_set_selfpowered()
1343 dwc->is_selfpowered = !!is_selfpowered; in dwc3_gadget_set_selfpowered()
1344 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_set_selfpowered()
1349 static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) in dwc3_gadget_run_stop() argument
1354 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_run_stop()
1356 if (dwc->revision <= DWC3_REVISION_187A) { in dwc3_gadget_run_stop()
1361 if (dwc->revision >= DWC3_REVISION_194A) in dwc3_gadget_run_stop()
1365 if (dwc->has_hibernation) in dwc3_gadget_run_stop()
1368 dwc->pullups_connected = true; in dwc3_gadget_run_stop()
1372 if (dwc->has_hibernation && !suspend) in dwc3_gadget_run_stop()
1375 dwc->pullups_connected = false; in dwc3_gadget_run_stop()
1378 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_run_stop()
1381 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_run_stop()
1395 dev_vdbg(dwc->dev, "gadget %s data soft-%s\n", in dwc3_gadget_run_stop()
1396 dwc->gadget_driver in dwc3_gadget_run_stop()
1397 ? dwc->gadget_driver->function : "no-function", in dwc3_gadget_run_stop()
1405 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_pullup() local
1411 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_pullup()
1412 ret = dwc3_gadget_run_stop(dwc, is_on, false); in dwc3_gadget_pullup()
1413 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_pullup()
1418 static void dwc3_gadget_enable_irq(struct dwc3 *dwc) in dwc3_gadget_enable_irq() argument
1433 dwc3_writel(dwc->regs, DWC3_DEVTEN, reg); in dwc3_gadget_enable_irq()
1436 static void dwc3_gadget_disable_irq(struct dwc3 *dwc) in dwc3_gadget_disable_irq() argument
1439 dwc3_writel(dwc->regs, DWC3_DEVTEN, 0x00); in dwc3_gadget_disable_irq()
1445 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_start() local
1451 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_start()
1453 if (dwc->gadget_driver) { in dwc3_gadget_start()
1454 dev_err(dwc->dev, "%s is already bound to %s\n", in dwc3_gadget_start()
1455 dwc->gadget.name, in dwc3_gadget_start()
1456 dwc->gadget_driver->function); in dwc3_gadget_start()
1461 dwc->gadget_driver = driver; in dwc3_gadget_start()
1463 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_start()
1479 if (dwc->revision < DWC3_REVISION_220A) { in dwc3_gadget_start()
1482 switch (dwc->maximum_speed) { in dwc3_gadget_start()
1498 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_start()
1500 dwc->start_config_issued = false; in dwc3_gadget_start()
1505 dep = dwc->eps[0]; in dwc3_gadget_start()
1509 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_start()
1513 dep = dwc->eps[1]; in dwc3_gadget_start()
1517 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_start()
1522 dwc->ep0state = EP0_SETUP_PHASE; in dwc3_gadget_start()
1523 dwc3_ep0_out_start(dwc); in dwc3_gadget_start()
1525 dwc3_gadget_enable_irq(dwc); in dwc3_gadget_start()
1527 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_start()
1532 __dwc3_gadget_ep_disable(dwc->eps[0]); in dwc3_gadget_start()
1535 dwc->gadget_driver = NULL; in dwc3_gadget_start()
1538 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_start()
1545 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_stop() local
1548 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_stop()
1550 dwc3_gadget_disable_irq(dwc); in dwc3_gadget_stop()
1551 __dwc3_gadget_ep_disable(dwc->eps[0]); in dwc3_gadget_stop()
1552 __dwc3_gadget_ep_disable(dwc->eps[1]); in dwc3_gadget_stop()
1554 dwc->gadget_driver = NULL; in dwc3_gadget_stop()
1556 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_stop()
1572 static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, in dwc3_gadget_init_hw_endpoints() argument
1585 dep->dwc = dwc; in dwc3_gadget_init_hw_endpoints()
1588 dwc->eps[epnum] = dep; in dwc3_gadget_init_hw_endpoints()
1595 dev_vdbg(dwc->dev, "initializing %s\n", dep->name); in dwc3_gadget_init_hw_endpoints()
1602 dwc->gadget.ep0 = &dep->endpoint; in dwc3_gadget_init_hw_endpoints()
1610 &dwc->gadget.ep_list); in dwc3_gadget_init_hw_endpoints()
1624 static int dwc3_gadget_init_endpoints(struct dwc3 *dwc) in dwc3_gadget_init_endpoints() argument
1628 INIT_LIST_HEAD(&dwc->gadget.ep_list); in dwc3_gadget_init_endpoints()
1630 ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_out_eps, 0); in dwc3_gadget_init_endpoints()
1632 dev_vdbg(dwc->dev, "failed to allocate OUT endpoints\n"); in dwc3_gadget_init_endpoints()
1636 ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_in_eps, 1); in dwc3_gadget_init_endpoints()
1638 dev_vdbg(dwc->dev, "failed to allocate IN endpoints\n"); in dwc3_gadget_init_endpoints()
1645 static void dwc3_gadget_free_endpoints(struct dwc3 *dwc) in dwc3_gadget_free_endpoints() argument
1651 dep = dwc->eps[epnum]; in dwc3_gadget_free_endpoints()
1674 static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep, in __dwc3_cleanup_done_trbs() argument
1691 dev_err(dwc->dev, "%s's TRB (%p) still owned by HW\n", in __dwc3_cleanup_done_trbs()
1699 dev_dbg(dwc->dev, "incomplete IN transfer %s\n", in __dwc3_cleanup_done_trbs()
1718 dev_err(dwc->dev, "incomplete IN transfer %s\n", in __dwc3_cleanup_done_trbs()
1750 static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, in dwc3_cleanup_done_reqs() argument
1771 __dwc3_cleanup_done_trbs(dwc, dep, req, trb, event, status); in dwc3_cleanup_done_reqs()
1785 dwc3_stop_active_transfer(dwc, dep->number, true); in dwc3_cleanup_done_reqs()
1794 static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, in dwc3_endpoint_transfer_complete() argument
1803 clean_busy = dwc3_cleanup_done_reqs(dwc, dep, event, status); in dwc3_endpoint_transfer_complete()
1811 if (dwc->revision < DWC3_REVISION_183A) { in dwc3_endpoint_transfer_complete()
1816 dep = dwc->eps[i]; in dwc3_endpoint_transfer_complete()
1825 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_endpoint_transfer_complete()
1826 reg |= dwc->u1u2; in dwc3_endpoint_transfer_complete()
1827 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_endpoint_transfer_complete()
1829 dwc->u1u2 = 0; in dwc3_endpoint_transfer_complete()
1833 static void dwc3_endpoint_interrupt(struct dwc3 *dwc, in dwc3_endpoint_interrupt() argument
1839 dep = dwc->eps[epnum]; in dwc3_endpoint_interrupt()
1845 dwc3_ep0_interrupt(dwc, event); in dwc3_endpoint_interrupt()
1854 dev_dbg(dwc->dev, "%s is an Isochronous endpoint\n", in dwc3_endpoint_interrupt()
1859 dwc3_endpoint_transfer_complete(dwc, dep, event); in dwc3_endpoint_interrupt()
1862 dwc3_endpoint_transfer_complete(dwc, dep, event); in dwc3_endpoint_interrupt()
1866 dwc3_gadget_start_isoc(dwc, dep, event); in dwc3_endpoint_interrupt()
1870 dev_vdbg(dwc->dev, "%s: reason %s\n", in dwc3_endpoint_interrupt()
1880 dev_dbg(dwc->dev, "%s: failed to kick transfers\n", in dwc3_endpoint_interrupt()
1887 dev_err(dwc->dev, "Stream event for non-Bulk %s\n", in dwc3_endpoint_interrupt()
1894 dev_vdbg(dwc->dev, "Stream %d found and started\n", in dwc3_endpoint_interrupt()
1901 dev_dbg(dwc->dev, "Couldn't find suitable stream\n"); in dwc3_endpoint_interrupt()
1905 dev_dbg(dwc->dev, "%s FIFO Overrun\n", dep->name); in dwc3_endpoint_interrupt()
1908 dev_vdbg(dwc->dev, "Endpoint Command Complete\n"); in dwc3_endpoint_interrupt()
1913 static void dwc3_disconnect_gadget(struct dwc3 *dwc) in dwc3_disconnect_gadget() argument
1915 if (dwc->gadget_driver && dwc->gadget_driver->disconnect) { in dwc3_disconnect_gadget()
1916 spin_unlock(&dwc->lock); in dwc3_disconnect_gadget()
1917 dwc->gadget_driver->disconnect(&dwc->gadget); in dwc3_disconnect_gadget()
1918 spin_lock(&dwc->lock); in dwc3_disconnect_gadget()
1922 static void dwc3_suspend_gadget(struct dwc3 *dwc) in dwc3_suspend_gadget() argument
1924 if (dwc->gadget_driver && dwc->gadget_driver->suspend) { in dwc3_suspend_gadget()
1925 spin_unlock(&dwc->lock); in dwc3_suspend_gadget()
1926 dwc->gadget_driver->suspend(&dwc->gadget); in dwc3_suspend_gadget()
1927 spin_lock(&dwc->lock); in dwc3_suspend_gadget()
1931 static void dwc3_resume_gadget(struct dwc3 *dwc) in dwc3_resume_gadget() argument
1933 if (dwc->gadget_driver && dwc->gadget_driver->resume) { in dwc3_resume_gadget()
1934 spin_unlock(&dwc->lock); in dwc3_resume_gadget()
1935 dwc->gadget_driver->resume(&dwc->gadget); in dwc3_resume_gadget()
1939 static void dwc3_reset_gadget(struct dwc3 *dwc) in dwc3_reset_gadget() argument
1941 if (!dwc->gadget_driver) in dwc3_reset_gadget()
1944 if (dwc->gadget.speed != USB_SPEED_UNKNOWN) { in dwc3_reset_gadget()
1945 spin_unlock(&dwc->lock); in dwc3_reset_gadget()
1946 usb_gadget_udc_reset(&dwc->gadget, dwc->gadget_driver); in dwc3_reset_gadget()
1947 spin_lock(&dwc->lock); in dwc3_reset_gadget()
1951 static void dwc3_stop_active_transfer(struct dwc3 *dwc, u32 epnum, bool force) in dwc3_stop_active_transfer() argument
1958 dep = dwc->eps[epnum]; in dwc3_stop_active_transfer()
1987 ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, ¶ms); in dwc3_stop_active_transfer()
1994 static void dwc3_stop_active_transfers(struct dwc3 *dwc) in dwc3_stop_active_transfers() argument
2001 dep = dwc->eps[epnum]; in dwc3_stop_active_transfers()
2008 dwc3_remove_requests(dwc, dep); in dwc3_stop_active_transfers()
2012 static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) in dwc3_clear_stall_all_ep() argument
2021 dep = dwc->eps[epnum]; in dwc3_clear_stall_all_ep()
2031 ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, in dwc3_clear_stall_all_ep()
2037 static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) in dwc3_gadget_disconnect_interrupt() argument
2041 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_disconnect_interrupt()
2043 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_disconnect_interrupt()
2046 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_disconnect_interrupt()
2048 dwc3_disconnect_gadget(dwc); in dwc3_gadget_disconnect_interrupt()
2049 dwc->start_config_issued = false; in dwc3_gadget_disconnect_interrupt()
2051 dwc->gadget.speed = USB_SPEED_UNKNOWN; in dwc3_gadget_disconnect_interrupt()
2052 dwc->setup_packet_pending = false; in dwc3_gadget_disconnect_interrupt()
2053 usb_gadget_set_state(&dwc->gadget, USB_STATE_NOTATTACHED); in dwc3_gadget_disconnect_interrupt()
2056 static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) in dwc3_gadget_reset_interrupt() argument
2086 if (dwc->revision < DWC3_REVISION_188A) { in dwc3_gadget_reset_interrupt()
2087 if (dwc->setup_packet_pending) in dwc3_gadget_reset_interrupt()
2088 dwc3_gadget_disconnect_interrupt(dwc); in dwc3_gadget_reset_interrupt()
2091 dwc3_reset_gadget(dwc); in dwc3_gadget_reset_interrupt()
2093 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_reset_interrupt()
2095 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_reset_interrupt()
2096 dwc->test_mode = false; in dwc3_gadget_reset_interrupt()
2098 dwc3_stop_active_transfers(dwc); in dwc3_gadget_reset_interrupt()
2099 dwc3_clear_stall_all_ep(dwc); in dwc3_gadget_reset_interrupt()
2100 dwc->start_config_issued = false; in dwc3_gadget_reset_interrupt()
2103 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_reset_interrupt()
2105 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_reset_interrupt()
2108 static void dwc3_update_ram_clk_sel(struct dwc3 *dwc, u32 speed) in dwc3_update_ram_clk_sel() argument
2128 reg = dwc3_readl(dwc->regs, DWC3_GCTL); in dwc3_update_ram_clk_sel()
2130 dwc3_writel(dwc->regs, DWC3_GCTL, reg); in dwc3_update_ram_clk_sel()
2133 static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) in dwc3_gadget_conndone_interrupt() argument
2140 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_conndone_interrupt()
2142 dwc->speed = speed; in dwc3_gadget_conndone_interrupt()
2144 dwc3_update_ram_clk_sel(dwc, speed); in dwc3_gadget_conndone_interrupt()
2161 if (dwc->revision < DWC3_REVISION_190A) in dwc3_gadget_conndone_interrupt()
2162 dwc3_gadget_reset_interrupt(dwc); in dwc3_gadget_conndone_interrupt()
2165 dwc->gadget.ep0->maxpacket = 512; in dwc3_gadget_conndone_interrupt()
2166 dwc->gadget.speed = USB_SPEED_SUPER; in dwc3_gadget_conndone_interrupt()
2170 dwc->gadget.ep0->maxpacket = 64; in dwc3_gadget_conndone_interrupt()
2171 dwc->gadget.speed = USB_SPEED_HIGH; in dwc3_gadget_conndone_interrupt()
2176 dwc->gadget.ep0->maxpacket = 64; in dwc3_gadget_conndone_interrupt()
2177 dwc->gadget.speed = USB_SPEED_FULL; in dwc3_gadget_conndone_interrupt()
2181 dwc->gadget.ep0->maxpacket = 8; in dwc3_gadget_conndone_interrupt()
2182 dwc->gadget.speed = USB_SPEED_LOW; in dwc3_gadget_conndone_interrupt()
2188 if ((dwc->revision > DWC3_REVISION_194A) in dwc3_gadget_conndone_interrupt()
2190 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_conndone_interrupt()
2192 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_conndone_interrupt()
2194 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_conndone_interrupt()
2197 reg |= DWC3_DCTL_HIRD_THRES(dwc->hird_threshold); in dwc3_gadget_conndone_interrupt()
2205 if (dwc->revision < DWC3_REVISION_240A && dwc->has_lpm_erratum) in dwc3_gadget_conndone_interrupt()
2208 if (dwc->has_lpm_erratum && dwc->revision >= DWC3_REVISION_240A) in dwc3_gadget_conndone_interrupt()
2209 reg |= DWC3_DCTL_LPM_ERRATA(dwc->lpm_nyet_threshold); in dwc3_gadget_conndone_interrupt()
2211 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_conndone_interrupt()
2213 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_conndone_interrupt()
2215 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_conndone_interrupt()
2218 dep = dwc->eps[0]; in dwc3_gadget_conndone_interrupt()
2222 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_conndone_interrupt()
2226 dep = dwc->eps[1]; in dwc3_gadget_conndone_interrupt()
2230 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_conndone_interrupt()
2243 static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) in dwc3_gadget_wakeup_interrupt() argument
2250 dwc->gadget_driver->resume(&dwc->gadget); in dwc3_gadget_wakeup_interrupt()
2253 static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, in dwc3_gadget_linksts_change_interrupt() argument
2276 pwropt = DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1); in dwc3_gadget_linksts_change_interrupt()
2277 if ((dwc->revision < DWC3_REVISION_250A) && in dwc3_gadget_linksts_change_interrupt()
2279 if ((dwc->link_state == DWC3_LINK_STATE_U3) && in dwc3_gadget_linksts_change_interrupt()
2281 dev_vdbg(dwc->dev, "ignoring transition U3 -> Resume\n"); in dwc3_gadget_linksts_change_interrupt()
2304 if (dwc->revision < DWC3_REVISION_183A) { in dwc3_gadget_linksts_change_interrupt()
2309 switch (dwc->link_state) { in dwc3_gadget_linksts_change_interrupt()
2312 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_linksts_change_interrupt()
2318 if (!dwc->u1u2) in dwc3_gadget_linksts_change_interrupt()
2319 dwc->u1u2 = reg & u1u2; in dwc3_gadget_linksts_change_interrupt()
2323 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_linksts_change_interrupt()
2334 if (dwc->speed == USB_SPEED_SUPER) in dwc3_gadget_linksts_change_interrupt()
2335 dwc3_suspend_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
2339 dwc3_suspend_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
2342 dwc3_resume_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
2349 dwc->link_state = next; in dwc3_gadget_linksts_change_interrupt()
2352 static void dwc3_gadget_hibernation_interrupt(struct dwc3 *dwc, in dwc3_gadget_hibernation_interrupt() argument
2370 if (is_ss ^ (dwc->speed == USB_SPEED_SUPER)) in dwc3_gadget_hibernation_interrupt()
2376 static void dwc3_gadget_interrupt(struct dwc3 *dwc, in dwc3_gadget_interrupt() argument
2381 dwc3_gadget_disconnect_interrupt(dwc); in dwc3_gadget_interrupt()
2384 dwc3_gadget_reset_interrupt(dwc); in dwc3_gadget_interrupt()
2387 dwc3_gadget_conndone_interrupt(dwc); in dwc3_gadget_interrupt()
2390 dwc3_gadget_wakeup_interrupt(dwc); in dwc3_gadget_interrupt()
2393 if (!dwc->has_hibernation) { in dwc3_gadget_interrupt()
2397 dwc3_gadget_hibernation_interrupt(dwc, event->event_info); in dwc3_gadget_interrupt()
2400 dwc3_gadget_linksts_change_interrupt(dwc, event->event_info); in dwc3_gadget_interrupt()
2403 dev_vdbg(dwc->dev, "End of Periodic Frame\n"); in dwc3_gadget_interrupt()
2406 dev_vdbg(dwc->dev, "Start of Periodic Frame\n"); in dwc3_gadget_interrupt()
2409 dev_vdbg(dwc->dev, "Erratic Error\n"); in dwc3_gadget_interrupt()
2412 dev_vdbg(dwc->dev, "Command Complete\n"); in dwc3_gadget_interrupt()
2415 dev_vdbg(dwc->dev, "Overflow\n"); in dwc3_gadget_interrupt()
2418 dev_dbg(dwc->dev, "UNKNOWN IRQ %d\n", event->type); in dwc3_gadget_interrupt()
2422 static void dwc3_process_event_entry(struct dwc3 *dwc, in dwc3_process_event_entry() argument
2428 return dwc3_endpoint_interrupt(dwc, &event->depevt); in dwc3_process_event_entry()
2433 dwc3_gadget_interrupt(dwc, &event->devt); in dwc3_process_event_entry()
2437 dev_err(dwc->dev, "UNKNOWN IRQ type %d\n", event->raw); in dwc3_process_event_entry()
2441 static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) in dwc3_process_event_buf() argument
2448 evt = dwc->ev_buffs[buf]; in dwc3_process_event_buf()
2459 dwc3_process_event_entry(dwc, &event); in dwc3_process_event_buf()
2473 dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(buf), 4); in dwc3_process_event_buf()
2481 reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); in dwc3_process_event_buf()
2483 dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); in dwc3_process_event_buf()
2490 struct dwc3 *dwc = _dwc; in dwc3_thread_interrupt() local
2495 spin_lock_irqsave(&dwc->lock, flags); in dwc3_thread_interrupt()
2497 for (i = 0; i < dwc->num_event_buffers; i++) in dwc3_thread_interrupt()
2498 ret |= dwc3_process_event_buf(dwc, i); in dwc3_thread_interrupt()
2500 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_thread_interrupt()
2505 static irqreturn_t dwc3_check_event_buf(struct dwc3 *dwc, u32 buf) in dwc3_check_event_buf() argument
2511 evt = dwc->ev_buffs[buf]; in dwc3_check_event_buf()
2513 count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(buf)); in dwc3_check_event_buf()
2522 reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); in dwc3_check_event_buf()
2524 dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); in dwc3_check_event_buf()
2531 struct dwc3 *dwc = _dwc; in dwc3_interrupt() local
2535 spin_lock(&dwc->lock); in dwc3_interrupt()
2537 for (i = 0; i < dwc->num_event_buffers; i++) { in dwc3_interrupt()
2540 status = dwc3_check_event_buf(dwc, i); in dwc3_interrupt()
2545 spin_unlock(&dwc->lock); in dwc3_interrupt()
2552 * @dwc: pointer to our controller context structure
2556 int dwc3_gadget_init(struct dwc3 *dwc) in dwc3_gadget_init() argument
2560 dwc->ctrl_req = dma_alloc_coherent(sizeof(*dwc->ctrl_req), in dwc3_gadget_init()
2561 (unsigned long *)&dwc->ctrl_req_addr); in dwc3_gadget_init()
2562 if (!dwc->ctrl_req) { in dwc3_gadget_init()
2563 dev_err(dwc->dev, "failed to allocate ctrl request\n"); in dwc3_gadget_init()
2568 dwc->ep0_trb = dma_alloc_coherent(sizeof(*dwc->ep0_trb) * 2, in dwc3_gadget_init()
2569 (unsigned long *)&dwc->ep0_trb_addr); in dwc3_gadget_init()
2570 if (!dwc->ep0_trb) { in dwc3_gadget_init()
2571 dev_err(dwc->dev, "failed to allocate ep0 trb\n"); in dwc3_gadget_init()
2576 dwc->setup_buf = memalign(CONFIG_SYS_CACHELINE_SIZE, in dwc3_gadget_init()
2578 if (!dwc->setup_buf) { in dwc3_gadget_init()
2583 dwc->ep0_bounce = dma_alloc_coherent(DWC3_EP0_BOUNCE_SIZE, in dwc3_gadget_init()
2584 (unsigned long *)&dwc->ep0_bounce_addr); in dwc3_gadget_init()
2585 if (!dwc->ep0_bounce) { in dwc3_gadget_init()
2586 dev_err(dwc->dev, "failed to allocate ep0 bounce buffer\n"); in dwc3_gadget_init()
2591 dwc->gadget.ops = &dwc3_gadget_ops; in dwc3_gadget_init()
2592 dwc->gadget.max_speed = USB_SPEED_SUPER; in dwc3_gadget_init()
2593 dwc->gadget.speed = USB_SPEED_UNKNOWN; in dwc3_gadget_init()
2594 dwc->gadget.name = "dwc3-gadget"; in dwc3_gadget_init()
2600 dwc->gadget.quirk_ep_out_aligned_size = true; in dwc3_gadget_init()
2607 ret = dwc3_gadget_init_endpoints(dwc); in dwc3_gadget_init()
2611 ret = usb_add_gadget_udc((struct device *)dwc->dev, &dwc->gadget); in dwc3_gadget_init()
2613 dev_err(dwc->dev, "failed to register udc\n"); in dwc3_gadget_init()
2620 dwc3_gadget_free_endpoints(dwc); in dwc3_gadget_init()
2621 dma_free_coherent(dwc->ep0_bounce); in dwc3_gadget_init()
2624 kfree(dwc->setup_buf); in dwc3_gadget_init()
2627 dma_free_coherent(dwc->ep0_trb); in dwc3_gadget_init()
2630 dma_free_coherent(dwc->ctrl_req); in dwc3_gadget_init()
2638 void dwc3_gadget_exit(struct dwc3 *dwc) in dwc3_gadget_exit() argument
2640 usb_del_gadget_udc(&dwc->gadget); in dwc3_gadget_exit()
2642 dwc3_gadget_free_endpoints(dwc); in dwc3_gadget_exit()
2644 dma_free_coherent(dwc->ep0_bounce); in dwc3_gadget_exit()
2646 kfree(dwc->setup_buf); in dwc3_gadget_exit()
2648 dma_free_coherent(dwc->ep0_trb); in dwc3_gadget_exit()
2650 dma_free_coherent(dwc->ctrl_req); in dwc3_gadget_exit()
2655 * @dwc: struct dwce *
2661 void dwc3_gadget_uboot_handle_interrupt(struct dwc3 *dwc) in dwc3_gadget_uboot_handle_interrupt() argument
2663 int ret = dwc3_interrupt(0, dwc); in dwc3_gadget_uboot_handle_interrupt()
2669 dwc3_thread_interrupt(0, dwc); in dwc3_gadget_uboot_handle_interrupt()
2672 for (i = 0; i < dwc->num_event_buffers; i++) { in dwc3_gadget_uboot_handle_interrupt()
2673 evt = dwc->ev_buffs[i]; in dwc3_gadget_uboot_handle_interrupt()