Lines Matching refs:dwc
41 int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) in dwc3_gadget_set_test_mode() argument
45 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_set_test_mode()
60 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_set_test_mode()
72 int dwc3_gadget_get_link_state(struct dwc3 *dwc) in dwc3_gadget_get_link_state() argument
76 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_get_link_state()
89 int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) in dwc3_gadget_set_link_state() argument
100 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_set_link_state()
111 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()
119 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_set_link_state()
131 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_set_link_state()
178 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_del_and_unmap_request() local
188 usb_gadget_unmap_request_by_dev(dwc->sysdev, in dwc3_gadget_del_and_unmap_request()
195 pm_runtime_put(dwc->dev); in dwc3_gadget_del_and_unmap_request()
211 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_giveback() local
216 spin_unlock(&dwc->lock); in dwc3_gadget_giveback()
218 spin_lock(&dwc->lock); in dwc3_gadget_giveback()
230 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd, in dwc3_send_gadget_generic_command() argument
238 dwc3_writel(dwc->regs, DWC3_DGCMDPAR, param); in dwc3_send_gadget_generic_command()
239 dwc3_writel(dwc->regs, DWC3_DGCMD, cmd | DWC3_DGCMD_CMDACT); in dwc3_send_gadget_generic_command()
242 reg = dwc3_readl(dwc->regs, DWC3_DGCMD); in dwc3_send_gadget_generic_command()
261 static int __dwc3_gadget_wakeup(struct dwc3 *dwc);
276 struct dwc3 *dwc = dep->dwc; in dwc3_send_gadget_ep_cmd() local
294 if (dwc->gadget->speed <= USB_SPEED_HIGH || in dwc3_send_gadget_ep_cmd()
296 reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); in dwc3_send_gadget_ep_cmd()
308 dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); in dwc3_send_gadget_ep_cmd()
320 link_state = dwc3_gadget_get_link_state(dwc); in dwc3_send_gadget_ep_cmd()
323 if (dwc->gadget->speed >= USB_SPEED_SUPER) in dwc3_send_gadget_ep_cmd()
328 ret = __dwc3_gadget_wakeup(dwc); in dwc3_send_gadget_ep_cmd()
329 dev_WARN_ONCE(dwc->dev, ret, "wakeup failed --> %d\n", in dwc3_send_gadget_ep_cmd()
387 dev_WARN(dwc->dev, "No resource for %s\n", in dwc3_send_gadget_ep_cmd()
406 dev_WARN(dwc->dev, "UNKNOWN cmd status\n"); in dwc3_send_gadget_ep_cmd()
430 reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); in dwc3_send_gadget_ep_cmd()
432 dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); in dwc3_send_gadget_ep_cmd()
440 struct dwc3 *dwc = dep->dwc; in dwc3_send_clear_stall_ep_cmd() local
454 (dwc->gadget->speed >= USB_SPEED_SUPER)) in dwc3_send_clear_stall_ep_cmd()
472 struct dwc3 *dwc = dep->dwc; in dwc3_alloc_trb_pool() local
477 dep->trb_pool = dma_alloc_coherent(dwc->sysdev, in dwc3_alloc_trb_pool()
481 dev_err(dep->dwc->dev, "failed to allocate trb pool for %s\n", in dwc3_alloc_trb_pool()
491 struct dwc3 *dwc = dep->dwc; in dwc3_free_trb_pool() local
493 dma_free_coherent(dwc->sysdev, sizeof(struct dwc3_trb) * DWC3_TRB_NUM, in dwc3_free_trb_pool()
548 struct dwc3 *dwc; in dwc3_gadget_start_config() local
558 dwc = dep->dwc; in dwc3_gadget_start_config()
565 struct dwc3_ep *dep = dwc->eps[i]; in dwc3_gadget_start_config()
583 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_set_ep_config() local
594 if (dwc->gadget->speed >= USB_SPEED_SUPER) { in dwc3_gadget_set_ep_config()
649 dwc->gadget->speed == USB_SPEED_FULL) in dwc3_gadget_set_ep_config()
677 static int dwc3_gadget_calc_tx_fifo_size(struct dwc3 *dwc, int mult) in dwc3_gadget_calc_tx_fifo_size() argument
683 mdwidth = dwc3_mdwidth(dwc); in dwc3_gadget_calc_tx_fifo_size()
702 void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc) in dwc3_gadget_clear_tx_fifos() argument
709 if (!dwc->do_fifo_resize) in dwc3_gadget_clear_tx_fifos()
713 dep = dwc->eps[1]; in dwc3_gadget_clear_tx_fifos()
714 size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0)); in dwc3_gadget_clear_tx_fifos()
720 dwc->last_fifo_depth = fifo_depth; in dwc3_gadget_clear_tx_fifos()
722 for (num = 3; num < min_t(int, dwc->num_eps, DWC3_ENDPOINTS_NUM); in dwc3_gadget_clear_tx_fifos()
724 dep = dwc->eps[num]; in dwc3_gadget_clear_tx_fifos()
727 dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1)) & in dwc3_gadget_clear_tx_fifos()
730 dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1), size); in dwc3_gadget_clear_tx_fifos()
733 dwc->num_ep_resized = 0; in dwc3_gadget_clear_tx_fifos()
759 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_resize_tx_fifos() local
770 if (!dwc->do_fifo_resize) in dwc3_gadget_resize_tx_fifos()
781 ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7); in dwc3_gadget_resize_tx_fifos()
791 num_fifos = dwc->tx_fifo_resize_max_num; in dwc3_gadget_resize_tx_fifos()
794 fifo = dwc3_gadget_calc_tx_fifo_size(dwc, 1); in dwc3_gadget_resize_tx_fifos()
797 num_in_ep = dwc->max_cfg_eps; in dwc3_gadget_resize_tx_fifos()
798 num_in_ep -= dwc->num_ep_resized; in dwc3_gadget_resize_tx_fifos()
802 remaining = ram1_depth - min_depth - dwc->last_fifo_depth; in dwc3_gadget_resize_tx_fifos()
818 tmp = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0)); in dwc3_gadget_resize_tx_fifos()
821 fifo_size |= (fifo_0_start + (dwc->last_fifo_depth << 16)); in dwc3_gadget_resize_tx_fifos()
823 dwc->last_fifo_depth += DWC3_GTXFIFOSIZ_TXFDEP(fifo_size); in dwc3_gadget_resize_tx_fifos()
825 dwc->last_fifo_depth += DWC31_GTXFIFOSIZ_TXFDEP(fifo_size); in dwc3_gadget_resize_tx_fifos()
828 if (dwc->last_fifo_depth >= ram1_depth) { in dwc3_gadget_resize_tx_fifos()
829 dev_err(dwc->dev, "Fifosize(%d) > RAM size(%d) %s depth:%d\n", in dwc3_gadget_resize_tx_fifos()
830 dwc->last_fifo_depth, ram1_depth, in dwc3_gadget_resize_tx_fifos()
837 dwc->last_fifo_depth -= fifo_size; in dwc3_gadget_resize_tx_fifos()
841 dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1), fifo_size); in dwc3_gadget_resize_tx_fifos()
843 dwc->num_ep_resized++; in dwc3_gadget_resize_tx_fifos()
859 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_enable() local
885 reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); in __dwc3_gadget_ep_enable()
887 dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); in __dwc3_gadget_ep_enable()
959 !(dwc->hwparams.hwparams9 & in __dwc3_gadget_ep_enable()
971 void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status) in dwc3_remove_requests() argument
1013 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_disable() local
1023 reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); in __dwc3_gadget_ep_disable()
1025 dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); in __dwc3_gadget_ep_disable()
1027 dwc3_remove_requests(dwc, dep, -ESHUTDOWN); in __dwc3_gadget_ep_disable()
1069 struct dwc3 *dwc; in dwc3_gadget_ep_enable() local
1084 dwc = dep->dwc; in dwc3_gadget_ep_enable()
1086 if (dev_WARN_ONCE(dwc->dev, dep->flags & DWC3_EP_ENABLED, in dwc3_gadget_ep_enable()
1091 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_enable()
1093 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_enable()
1101 struct dwc3 *dwc; in dwc3_gadget_ep_disable() local
1111 dwc = dep->dwc; in dwc3_gadget_ep_disable()
1113 if (dev_WARN_ONCE(dwc->dev, !(dep->flags & DWC3_EP_ENABLED), in dwc3_gadget_ep_disable()
1118 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_disable()
1120 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_disable()
1223 struct dwc3 *dwc = dep->dwc; in dwc3_prepare_one_trb() local
1224 struct usb_gadget *gadget = dwc->gadget; in dwc3_prepare_one_trb()
1228 dma = dep->dwc->bounce_addr; in dwc3_prepare_one_trb()
1309 dev_WARN(dwc->dev, "Unknown endpoint type %d\n", in dwc3_prepare_one_trb()
1326 if (dep->stream_capable && DWC3_MST_CAPABLE(&dwc->hwparams)) in dwc3_prepare_one_trb()
1335 !DWC3_MST_CAPABLE(&dwc->hwparams)) in dwc3_prepare_one_trb()
1563 !DWC3_MST_CAPABLE(&dep->dwc->hwparams)) in dwc3_prepare_trbs()
1568 struct dwc3 *dwc = dep->dwc; in dwc3_prepare_trbs() local
1570 ret = usb_gadget_map_request_by_dev(dwc->sysdev, &req->request, in dwc3_prepare_trbs()
1597 !DWC3_MST_CAPABLE(&dwc->hwparams)) in dwc3_prepare_trbs()
1675 !DWC3_MST_CAPABLE(&dep->dwc->hwparams)) in __dwc3_gadget_kick_transfer()
1681 static int __dwc3_gadget_get_frame(struct dwc3 *dwc) in __dwc3_gadget_get_frame() argument
1685 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in __dwc3_gadget_get_frame()
1718 if (ret == -ETIMEDOUT && dep->dwc->ep0state != EP0_SETUP_PHASE) { in __dwc3_stop_active_transfer()
1795 params.param0 = upper_32_bits(dep->dwc->bounce_addr); in dwc3_gadget_start_isoc_quirk()
1796 params.param1 = lower_32_bits(dep->dwc->bounce_addr); in dwc3_gadget_start_isoc_quirk()
1852 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_start_isoc() local
1862 if (!dwc->dis_start_transfer_quirk && in __dwc3_gadget_start_isoc()
1865 if (dwc->gadget->speed <= USB_SPEED_HIGH && dep->direction) in __dwc3_gadget_start_isoc()
1870 dwc->gadget->speed >= USB_SPEED_HIGH) { in __dwc3_gadget_start_isoc()
1871 u32 frame = __dwc3_gadget_get_frame(dwc); in __dwc3_gadget_start_isoc()
1917 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_queue() local
1919 if (!dep->endpoint.desc || !dwc->pullups_connected || !dwc->connected) { in __dwc3_gadget_ep_queue()
1920 dev_dbg(dwc->dev, "%s: can't queue to disabled endpoint\n", in __dwc3_gadget_ep_queue()
1934 pm_runtime_get(dwc->dev); in __dwc3_gadget_ep_queue()
1986 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_queue() local
1992 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_queue()
1994 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_queue()
2031 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_cleanup_cancelled_requests() local
2047 dev_err(dwc->dev, "request cancelled with wrong reason:%d\n", req->status); in dwc3_gadget_ep_cleanup_cancelled_requests()
2067 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_dequeue() local
2074 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_dequeue()
2109 dev_err(dwc->dev, "request %pK was not queued to %s\n", in dwc3_gadget_ep_dequeue()
2113 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_dequeue()
2121 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep_set_halt() local
2127 dev_err(dwc->dev, "%s is of Isochronous type\n", dep->name); in __dwc3_gadget_ep_set_halt()
2142 trb = &dwc->ep0_trb[dep->trb_enqueue]; in __dwc3_gadget_ep_set_halt()
2155 dev_err(dwc->dev, "failed to set STALL on %s\n", in __dwc3_gadget_ep_set_halt()
2179 dwc->clear_stall_protocol = dep->number; in __dwc3_gadget_ep_set_halt()
2188 dev_err(dwc->dev, "failed to clear STALL on %s\n", in __dwc3_gadget_ep_set_halt()
2208 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_set_halt() local
2214 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_set_halt()
2216 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_set_halt()
2224 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_set_wedge() local
2228 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep_set_wedge()
2235 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep_set_wedge()
2274 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_get_frame() local
2276 return __dwc3_gadget_get_frame(dwc); in dwc3_gadget_get_frame()
2279 static int __dwc3_gadget_wakeup(struct dwc3 *dwc) in __dwc3_gadget_wakeup() argument
2294 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in __dwc3_gadget_wakeup()
2310 ret = dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RECOV); in __dwc3_gadget_wakeup()
2312 dev_err(dwc->dev, "failed to put link in Recovery\n"); in __dwc3_gadget_wakeup()
2319 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in __dwc3_gadget_wakeup()
2321 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in __dwc3_gadget_wakeup()
2328 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in __dwc3_gadget_wakeup()
2336 dev_err(dwc->dev, "failed to send remote wakeup\n"); in __dwc3_gadget_wakeup()
2345 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_wakeup() local
2349 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_wakeup()
2350 ret = __dwc3_gadget_wakeup(dwc); in dwc3_gadget_wakeup()
2351 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_wakeup()
2359 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_set_selfpowered() local
2362 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_set_selfpowered()
2364 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_set_selfpowered()
2369 static void dwc3_stop_active_transfers(struct dwc3 *dwc) in dwc3_stop_active_transfers() argument
2373 for (epnum = 2; epnum < dwc->num_eps; epnum++) { in dwc3_stop_active_transfers()
2376 dep = dwc->eps[epnum]; in dwc3_stop_active_transfers()
2380 dwc3_remove_requests(dwc, dep, -ESHUTDOWN); in dwc3_stop_active_transfers()
2384 static void __dwc3_gadget_set_ssp_rate(struct dwc3 *dwc) in __dwc3_gadget_set_ssp_rate() argument
2386 enum usb_ssp_rate ssp_rate = dwc->gadget_ssp_rate; in __dwc3_gadget_set_ssp_rate()
2390 ssp_rate = dwc->max_ssp_rate; in __dwc3_gadget_set_ssp_rate()
2392 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in __dwc3_gadget_set_ssp_rate()
2398 else if (dwc->max_ssp_rate != USB_SSP_GEN_1x2) in __dwc3_gadget_set_ssp_rate()
2402 dwc->max_ssp_rate != USB_SSP_GEN_2x1) in __dwc3_gadget_set_ssp_rate()
2405 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in __dwc3_gadget_set_ssp_rate()
2408 static void __dwc3_gadget_set_speed(struct dwc3 *dwc) in __dwc3_gadget_set_speed() argument
2413 speed = dwc->gadget_max_speed; in __dwc3_gadget_set_speed()
2414 if (speed == USB_SPEED_UNKNOWN || speed > dwc->maximum_speed) in __dwc3_gadget_set_speed()
2415 speed = dwc->maximum_speed; in __dwc3_gadget_set_speed()
2419 __dwc3_gadget_set_ssp_rate(dwc); in __dwc3_gadget_set_speed()
2423 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in __dwc3_gadget_set_speed()
2440 !dwc->dis_metastability_quirk) { in __dwc3_gadget_set_speed()
2460 dev_err(dwc->dev, "invalid speed (%d)\n", speed); in __dwc3_gadget_set_speed()
2474 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in __dwc3_gadget_set_speed()
2477 static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend) in dwc3_gadget_run_stop() argument
2482 if (pm_runtime_suspended(dwc->dev)) in dwc3_gadget_run_stop()
2485 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_run_stop()
2496 if (dwc->has_hibernation) in dwc3_gadget_run_stop()
2499 __dwc3_gadget_set_speed(dwc); in dwc3_gadget_run_stop()
2500 dwc->pullups_connected = true; in dwc3_gadget_run_stop()
2504 if (dwc->has_hibernation && !suspend) in dwc3_gadget_run_stop()
2507 dwc->pullups_connected = false; in dwc3_gadget_run_stop()
2510 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_run_stop()
2514 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_run_stop()
2524 static void dwc3_gadget_disable_irq(struct dwc3 *dwc);
2525 static void __dwc3_gadget_stop(struct dwc3 *dwc);
2526 static int __dwc3_gadget_start(struct dwc3 *dwc);
2528 static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc) in dwc3_gadget_soft_disconnect() argument
2532 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_soft_disconnect()
2533 dwc->connected = false; in dwc3_gadget_soft_disconnect()
2539 if (dwc->ep0state != EP0_SETUP_PHASE) { in dwc3_gadget_soft_disconnect()
2542 if (dwc->delayed_status) in dwc3_gadget_soft_disconnect()
2543 dwc3_ep0_send_delayed_status(dwc); in dwc3_gadget_soft_disconnect()
2545 reinit_completion(&dwc->ep0_in_setup); in dwc3_gadget_soft_disconnect()
2547 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_soft_disconnect()
2548 ret = wait_for_completion_timeout(&dwc->ep0_in_setup, in dwc3_gadget_soft_disconnect()
2550 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_soft_disconnect()
2552 dev_warn(dwc->dev, "timed out waiting for SETUP phase\n"); in dwc3_gadget_soft_disconnect()
2562 dwc3_stop_active_transfers(dwc); in dwc3_gadget_soft_disconnect()
2563 __dwc3_gadget_stop(dwc); in dwc3_gadget_soft_disconnect()
2564 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_soft_disconnect()
2573 return dwc3_gadget_run_stop(dwc, false, false); in dwc3_gadget_soft_disconnect()
2578 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_pullup() local
2583 dwc->softconnect = is_on; in dwc3_gadget_pullup()
2591 pm_runtime_barrier(dwc->dev); in dwc3_gadget_pullup()
2592 if (pm_runtime_suspended(dwc->dev)) in dwc3_gadget_pullup()
2601 ret = pm_runtime_get_sync(dwc->dev); in dwc3_gadget_pullup()
2603 pm_runtime_put(dwc->dev); in dwc3_gadget_pullup()
2607 if (dwc->pullups_connected == is_on) { in dwc3_gadget_pullup()
2608 pm_runtime_put(dwc->dev); in dwc3_gadget_pullup()
2612 synchronize_irq(dwc->irq_gadget); in dwc3_gadget_pullup()
2615 ret = dwc3_gadget_soft_disconnect(dwc); in dwc3_gadget_pullup()
2623 dwc3_core_soft_reset(dwc); in dwc3_gadget_pullup()
2625 dwc3_event_buffers_setup(dwc); in dwc3_gadget_pullup()
2626 __dwc3_gadget_start(dwc); in dwc3_gadget_pullup()
2627 ret = dwc3_gadget_run_stop(dwc, true, false); in dwc3_gadget_pullup()
2630 pm_runtime_put(dwc->dev); in dwc3_gadget_pullup()
2635 static void dwc3_gadget_enable_irq(struct dwc3 *dwc) in dwc3_gadget_enable_irq() argument
2655 dwc3_writel(dwc->regs, DWC3_DEVTEN, reg); in dwc3_gadget_enable_irq()
2658 static void dwc3_gadget_disable_irq(struct dwc3 *dwc) in dwc3_gadget_disable_irq() argument
2661 dwc3_writel(dwc->regs, DWC3_DEVTEN, 0x00); in dwc3_gadget_disable_irq()
2688 static void dwc3_gadget_setup_nump(struct dwc3 *dwc) in dwc3_gadget_setup_nump() argument
2695 ram2_depth = DWC3_GHWPARAMS7_RAM2_DEPTH(dwc->hwparams.hwparams7); in dwc3_gadget_setup_nump()
2696 mdwidth = dwc3_mdwidth(dwc); in dwc3_gadget_setup_nump()
2702 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_setup_nump()
2705 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_setup_nump()
2708 static int __dwc3_gadget_start(struct dwc3 *dwc) in __dwc3_gadget_start() argument
2718 if (dwc->imod_interval) { in __dwc3_gadget_start()
2719 dwc3_writel(dwc->regs, DWC3_DEV_IMOD(0), dwc->imod_interval); in __dwc3_gadget_start()
2720 dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), DWC3_GEVNTCOUNT_EHB); in __dwc3_gadget_start()
2721 } else if (dwc3_has_imod(dwc)) { in __dwc3_gadget_start()
2722 dwc3_writel(dwc->regs, DWC3_DEV_IMOD(0), 0); in __dwc3_gadget_start()
2732 reg = dwc3_readl(dwc->regs, DWC3_GRXTHRCFG); in __dwc3_gadget_start()
2738 dwc3_writel(dwc->regs, DWC3_GRXTHRCFG, reg); in __dwc3_gadget_start()
2740 dwc3_gadget_setup_nump(dwc); in __dwc3_gadget_start()
2749 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in __dwc3_gadget_start()
2751 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in __dwc3_gadget_start()
2754 if (DWC3_MST_CAPABLE(&dwc->hwparams)) { in __dwc3_gadget_start()
2755 reg = dwc3_readl(dwc->regs, DWC3_DCFG1); in __dwc3_gadget_start()
2757 dwc3_writel(dwc->regs, DWC3_DCFG1, reg); in __dwc3_gadget_start()
2763 dep = dwc->eps[0]; in __dwc3_gadget_start()
2767 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in __dwc3_gadget_start()
2771 dep = dwc->eps[1]; in __dwc3_gadget_start()
2775 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in __dwc3_gadget_start()
2780 dwc->ep0state = EP0_SETUP_PHASE; in __dwc3_gadget_start()
2781 dwc->ep0_bounced = false; in __dwc3_gadget_start()
2782 dwc->link_state = DWC3_LINK_STATE_SS_DIS; in __dwc3_gadget_start()
2783 dwc->delayed_status = false; in __dwc3_gadget_start()
2784 dwc3_ep0_out_start(dwc); in __dwc3_gadget_start()
2786 dwc3_gadget_enable_irq(dwc); in __dwc3_gadget_start()
2791 __dwc3_gadget_ep_disable(dwc->eps[0]); in __dwc3_gadget_start()
2800 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_start() local
2805 irq = dwc->irq_gadget; in dwc3_gadget_start()
2807 IRQF_SHARED, "dwc3", dwc->ev_buf); in dwc3_gadget_start()
2809 dev_err(dwc->dev, "failed to request irq #%d --> %d\n", in dwc3_gadget_start()
2814 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_start()
2815 dwc->gadget_driver = driver; in dwc3_gadget_start()
2816 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_start()
2821 static void __dwc3_gadget_stop(struct dwc3 *dwc) in __dwc3_gadget_stop() argument
2823 dwc3_gadget_disable_irq(dwc); in __dwc3_gadget_stop()
2824 __dwc3_gadget_ep_disable(dwc->eps[0]); in __dwc3_gadget_stop()
2825 __dwc3_gadget_ep_disable(dwc->eps[1]); in __dwc3_gadget_stop()
2830 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_stop() local
2833 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_stop()
2834 dwc->gadget_driver = NULL; in dwc3_gadget_stop()
2835 dwc->max_cfg_eps = 0; in dwc3_gadget_stop()
2836 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_stop()
2838 free_irq(dwc->irq_gadget, dwc->ev_buf); in dwc3_gadget_stop()
2846 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_config_params() local
2852 if (!dwc->dis_enblslpm_quirk) { in dwc3_gadget_config_params()
2863 if (dwc->is_utmi_l1_suspend) in dwc3_gadget_config_params()
2865 clamp_t(u8, dwc->hird_threshold, 2, 15); in dwc3_gadget_config_params()
2869 if (dwc->dis_u1_entry_quirk) in dwc3_gadget_config_params()
2875 if (dwc->dis_u2_entry_quirk) in dwc3_gadget_config_params()
2885 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_set_speed() local
2888 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_set_speed()
2889 dwc->gadget_max_speed = speed; in dwc3_gadget_set_speed()
2890 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_set_speed()
2896 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_set_ssp_rate() local
2899 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_set_ssp_rate()
2900 dwc->gadget_max_speed = USB_SPEED_SUPER_PLUS; in dwc3_gadget_set_ssp_rate()
2901 dwc->gadget_ssp_rate = rate; in dwc3_gadget_set_ssp_rate()
2902 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_set_ssp_rate()
2907 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_vbus_draw() local
2911 if (dwc->usb2_phy) in dwc3_gadget_vbus_draw()
2912 return usb_phy_set_power(dwc->usb2_phy, mA); in dwc3_gadget_vbus_draw()
2914 if (!dwc->usb_psy) in dwc3_gadget_vbus_draw()
2918 ret = power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val); in dwc3_gadget_vbus_draw()
2935 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_check_config() local
2941 if (!dwc->do_fifo_resize) in dwc3_gadget_check_config()
2950 if (ep_num <= dwc->max_cfg_eps) in dwc3_gadget_check_config()
2954 dwc->max_cfg_eps = ep_num; in dwc3_gadget_check_config()
2956 fifo_size = dwc3_gadget_calc_tx_fifo_size(dwc, dwc->max_cfg_eps); in dwc3_gadget_check_config()
2958 fifo_size += dwc->max_cfg_eps; in dwc3_gadget_check_config()
2961 ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7); in dwc3_gadget_check_config()
2970 struct dwc3 *dwc = gadget_to_dwc(g); in dwc3_gadget_async_callbacks() local
2973 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_async_callbacks()
2974 dwc->async_callbacks = enable; in dwc3_gadget_async_callbacks()
2975 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_async_callbacks()
2997 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_init_control_endpoint() local
3003 dwc->gadget->ep0 = &dep->endpoint; in dwc3_gadget_init_control_endpoint()
3012 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_init_in_endpoint() local
3017 mdwidth = dwc3_mdwidth(dwc); in dwc3_gadget_init_in_endpoint()
3022 size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1)); in dwc3_gadget_init_in_endpoint()
3051 &dwc->gadget->ep_list); in dwc3_gadget_init_in_endpoint()
3061 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_init_out_endpoint() local
3065 mdwidth = dwc3_mdwidth(dwc); in dwc3_gadget_init_out_endpoint()
3071 size = dwc3_readl(dwc->regs, DWC3_GRXFIFOSIZ(0)); in dwc3_gadget_init_out_endpoint()
3098 &dwc->gadget->ep_list); in dwc3_gadget_init_out_endpoint()
3106 static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) in dwc3_gadget_init_endpoint() argument
3117 dep->dwc = dwc; in dwc3_gadget_init_endpoint()
3120 dep->regs = dwc->regs + DWC3_DEP_BASE(epnum); in dwc3_gadget_init_endpoint()
3121 dwc->eps[epnum] = dep; in dwc3_gadget_init_endpoint()
3157 static int dwc3_gadget_init_endpoints(struct dwc3 *dwc, u8 total) in dwc3_gadget_init_endpoints() argument
3161 INIT_LIST_HEAD(&dwc->gadget->ep_list); in dwc3_gadget_init_endpoints()
3166 ret = dwc3_gadget_init_endpoint(dwc, epnum); in dwc3_gadget_init_endpoints()
3174 static void dwc3_gadget_free_endpoints(struct dwc3 *dwc) in dwc3_gadget_free_endpoints() argument
3180 dep = dwc->eps[epnum]; in dwc3_gadget_free_endpoints()
3246 if (trb->bpl == lower_32_bits(dep->dwc->bounce_addr) && in dwc3_gadget_ep_reclaim_completed_trb()
3247 trb->bph == upper_32_bits(dep->dwc->bounce_addr)) { in dwc3_gadget_ep_reclaim_completed_trb()
3397 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep_should_continue() local
3399 if (!dep->endpoint.desc || !dwc->pullups_connected || in dwc3_gadget_ep_should_continue()
3400 !dwc->connected) in dwc3_gadget_ep_should_continue()
3426 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_endpoint_trbs_complete() local
3455 dep = dwc->eps[i]; in dwc3_gadget_endpoint_trbs_complete()
3464 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_endpoint_trbs_complete()
3465 reg |= dwc->u1u2; in dwc3_gadget_endpoint_trbs_complete()
3466 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_gadget_endpoint_trbs_complete()
3468 dwc->u1u2 = 0; in dwc3_gadget_endpoint_trbs_complete()
3548 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_endpoint_command_complete() local
3552 struct usb_ep *ep0 = &dwc->eps[0]->endpoint; in dwc3_gadget_endpoint_command_complete()
3554 dev_err(dwc->dev, "failed to clear STALL on %s\n", dep->name); in dwc3_gadget_endpoint_command_complete()
3555 if (dwc->delayed_status) in dwc3_gadget_endpoint_command_complete()
3561 if (dwc->clear_stall_protocol == dep->number) in dwc3_gadget_endpoint_command_complete()
3562 dwc3_ep0_send_delayed_status(dwc); in dwc3_gadget_endpoint_command_complete()
3575 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_endpoint_stream_event() local
3603 (!DWC3_MST_CAPABLE(&dwc->hwparams) && in dwc3_gadget_endpoint_stream_event()
3624 dwc3_send_gadget_generic_command(dwc, cmd, dep->number); in dwc3_gadget_endpoint_stream_event()
3637 static void dwc3_endpoint_interrupt(struct dwc3 *dwc, in dwc3_endpoint_interrupt() argument
3643 dep = dwc->eps[epnum]; in dwc3_endpoint_interrupt()
3656 dwc3_ep0_interrupt(dwc, event); in dwc3_endpoint_interrupt()
3681 static void dwc3_disconnect_gadget(struct dwc3 *dwc) in dwc3_disconnect_gadget() argument
3683 if (dwc->async_callbacks && dwc->gadget_driver->disconnect) { in dwc3_disconnect_gadget()
3684 spin_unlock(&dwc->lock); in dwc3_disconnect_gadget()
3685 dwc->gadget_driver->disconnect(dwc->gadget); in dwc3_disconnect_gadget()
3686 spin_lock(&dwc->lock); in dwc3_disconnect_gadget()
3690 static void dwc3_suspend_gadget(struct dwc3 *dwc) in dwc3_suspend_gadget() argument
3692 if (dwc->async_callbacks && dwc->gadget_driver->suspend) { in dwc3_suspend_gadget()
3693 spin_unlock(&dwc->lock); in dwc3_suspend_gadget()
3694 dwc->gadget_driver->suspend(dwc->gadget); in dwc3_suspend_gadget()
3695 spin_lock(&dwc->lock); in dwc3_suspend_gadget()
3699 static void dwc3_resume_gadget(struct dwc3 *dwc) in dwc3_resume_gadget() argument
3701 if (dwc->async_callbacks && dwc->gadget_driver->resume) { in dwc3_resume_gadget()
3702 spin_unlock(&dwc->lock); in dwc3_resume_gadget()
3703 dwc->gadget_driver->resume(dwc->gadget); in dwc3_resume_gadget()
3704 spin_lock(&dwc->lock); in dwc3_resume_gadget()
3708 static void dwc3_reset_gadget(struct dwc3 *dwc) in dwc3_reset_gadget() argument
3710 if (!dwc->gadget_driver) in dwc3_reset_gadget()
3713 if (dwc->async_callbacks && dwc->gadget->speed != USB_SPEED_UNKNOWN) { in dwc3_reset_gadget()
3714 spin_unlock(&dwc->lock); in dwc3_reset_gadget()
3715 usb_gadget_udc_reset(dwc->gadget, dwc->gadget_driver); in dwc3_reset_gadget()
3716 spin_lock(&dwc->lock); in dwc3_reset_gadget()
3723 struct dwc3 *dwc = dep->dwc; in dwc3_stop_active_transfer() local
3731 if (dep->number <= 1 && dwc->ep0state != EP0_DATA_PHASE) in dwc3_stop_active_transfer()
3748 if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) { in dwc3_stop_active_transfer()
3783 static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) in dwc3_clear_stall_all_ep() argument
3791 dep = dwc->eps[epnum]; in dwc3_clear_stall_all_ep()
3805 static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) in dwc3_gadget_disconnect_interrupt() argument
3809 dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RX_DET); in dwc3_gadget_disconnect_interrupt()
3811 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_disconnect_interrupt()
3814 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_disconnect_interrupt()
3816 dwc->connected = false; in dwc3_gadget_disconnect_interrupt()
3818 dwc3_disconnect_gadget(dwc); in dwc3_gadget_disconnect_interrupt()
3820 dwc->gadget->speed = USB_SPEED_UNKNOWN; in dwc3_gadget_disconnect_interrupt()
3821 dwc->setup_packet_pending = false; in dwc3_gadget_disconnect_interrupt()
3822 usb_gadget_set_state(dwc->gadget, USB_STATE_NOTATTACHED); in dwc3_gadget_disconnect_interrupt()
3824 if (dwc->ep0state != EP0_SETUP_PHASE) { in dwc3_gadget_disconnect_interrupt()
3827 dir = !!dwc->ep0_expect_in; in dwc3_gadget_disconnect_interrupt()
3828 if (dwc->ep0state == EP0_DATA_PHASE) in dwc3_gadget_disconnect_interrupt()
3829 dwc3_ep0_end_control_data(dwc, dwc->eps[dir]); in dwc3_gadget_disconnect_interrupt()
3831 dwc3_ep0_end_control_data(dwc, dwc->eps[!dir]); in dwc3_gadget_disconnect_interrupt()
3832 dwc3_ep0_stall_and_restart(dwc); in dwc3_gadget_disconnect_interrupt()
3836 static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) in dwc3_gadget_reset_interrupt() argument
3847 dwc->connected = false; in dwc3_gadget_reset_interrupt()
3876 if (dwc->setup_packet_pending) in dwc3_gadget_reset_interrupt()
3877 dwc3_gadget_disconnect_interrupt(dwc); in dwc3_gadget_reset_interrupt()
3880 dwc3_reset_gadget(dwc); in dwc3_gadget_reset_interrupt()
3887 if (dwc->ep0state != EP0_SETUP_PHASE) { in dwc3_gadget_reset_interrupt()
3890 dir = !!dwc->ep0_expect_in; in dwc3_gadget_reset_interrupt()
3891 if (dwc->ep0state == EP0_DATA_PHASE) in dwc3_gadget_reset_interrupt()
3892 dwc3_ep0_end_control_data(dwc, dwc->eps[dir]); in dwc3_gadget_reset_interrupt()
3894 dwc3_ep0_end_control_data(dwc, dwc->eps[!dir]); in dwc3_gadget_reset_interrupt()
3896 dwc->eps[0]->trb_enqueue = 0; in dwc3_gadget_reset_interrupt()
3897 dwc->eps[1]->trb_enqueue = 0; in dwc3_gadget_reset_interrupt()
3899 dwc3_ep0_stall_and_restart(dwc); in dwc3_gadget_reset_interrupt()
3908 dwc3_stop_active_transfers(dwc); in dwc3_gadget_reset_interrupt()
3909 dwc->connected = true; in dwc3_gadget_reset_interrupt()
3911 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_reset_interrupt()
3913 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_reset_interrupt()
3914 dwc->test_mode = false; in dwc3_gadget_reset_interrupt()
3915 dwc3_clear_stall_all_ep(dwc); in dwc3_gadget_reset_interrupt()
3918 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_reset_interrupt()
3920 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_reset_interrupt()
3923 static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) in dwc3_gadget_conndone_interrupt() argument
3931 if (!dwc->softconnect) in dwc3_gadget_conndone_interrupt()
3934 reg = dwc3_readl(dwc->regs, DWC3_DSTS); in dwc3_gadget_conndone_interrupt()
3936 dwc->speed = speed; in dwc3_gadget_conndone_interrupt()
3941 dwc->gadget->ssp_rate = USB_SSP_GEN_UNKNOWN; in dwc3_gadget_conndone_interrupt()
3955 dwc->gadget->ep0->maxpacket = 512; in dwc3_gadget_conndone_interrupt()
3956 dwc->gadget->speed = USB_SPEED_SUPER_PLUS; in dwc3_gadget_conndone_interrupt()
3959 dwc->gadget->ssp_rate = USB_SSP_GEN_2x2; in dwc3_gadget_conndone_interrupt()
3961 dwc->gadget->ssp_rate = USB_SSP_GEN_2x1; in dwc3_gadget_conndone_interrupt()
3978 dwc3_gadget_reset_interrupt(dwc); in dwc3_gadget_conndone_interrupt()
3981 dwc->gadget->ep0->maxpacket = 512; in dwc3_gadget_conndone_interrupt()
3982 dwc->gadget->speed = USB_SPEED_SUPER; in dwc3_gadget_conndone_interrupt()
3985 dwc->gadget->speed = USB_SPEED_SUPER_PLUS; in dwc3_gadget_conndone_interrupt()
3986 dwc->gadget->ssp_rate = USB_SSP_GEN_1x2; in dwc3_gadget_conndone_interrupt()
3991 dwc->gadget->ep0->maxpacket = 64; in dwc3_gadget_conndone_interrupt()
3992 dwc->gadget->speed = USB_SPEED_HIGH; in dwc3_gadget_conndone_interrupt()
3996 dwc->gadget->ep0->maxpacket = 64; in dwc3_gadget_conndone_interrupt()
3997 dwc->gadget->speed = USB_SPEED_FULL; in dwc3_gadget_conndone_interrupt()
4001 dwc->eps[1]->endpoint.maxpacket = dwc->gadget->ep0->maxpacket; in dwc3_gadget_conndone_interrupt()
4006 !dwc->usb2_gadget_lpm_disable && in dwc3_gadget_conndone_interrupt()
4009 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_conndone_interrupt()
4011 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_conndone_interrupt()
4013 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_conndone_interrupt()
4016 reg |= DWC3_DCTL_HIRD_THRES(dwc->hird_threshold | in dwc3_gadget_conndone_interrupt()
4017 (dwc->is_utmi_l1_suspend << 4)); in dwc3_gadget_conndone_interrupt()
4025 WARN_ONCE(DWC3_VER_IS_PRIOR(DWC3, 240A) && dwc->has_lpm_erratum, in dwc3_gadget_conndone_interrupt()
4028 if (dwc->has_lpm_erratum && !DWC3_VER_IS_PRIOR(DWC3, 240A)) in dwc3_gadget_conndone_interrupt()
4029 reg |= DWC3_DCTL_NYET_THRES(dwc->lpm_nyet_threshold); in dwc3_gadget_conndone_interrupt()
4031 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_conndone_interrupt()
4033 if (dwc->usb2_gadget_lpm_disable) { in dwc3_gadget_conndone_interrupt()
4034 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_gadget_conndone_interrupt()
4036 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_gadget_conndone_interrupt()
4039 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_conndone_interrupt()
4041 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_conndone_interrupt()
4044 dep = dwc->eps[0]; in dwc3_gadget_conndone_interrupt()
4047 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_conndone_interrupt()
4051 dep = dwc->eps[1]; in dwc3_gadget_conndone_interrupt()
4054 dev_err(dwc->dev, "failed to enable %s\n", dep->name); in dwc3_gadget_conndone_interrupt()
4067 static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) in dwc3_gadget_wakeup_interrupt() argument
4074 if (dwc->async_callbacks && dwc->gadget_driver->resume) { in dwc3_gadget_wakeup_interrupt()
4075 spin_unlock(&dwc->lock); in dwc3_gadget_wakeup_interrupt()
4076 dwc->gadget_driver->resume(dwc->gadget); in dwc3_gadget_wakeup_interrupt()
4077 spin_lock(&dwc->lock); in dwc3_gadget_wakeup_interrupt()
4081 static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, in dwc3_gadget_linksts_change_interrupt() argument
4104 pwropt = DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1); in dwc3_gadget_linksts_change_interrupt()
4107 if ((dwc->link_state == DWC3_LINK_STATE_U3) && in dwc3_gadget_linksts_change_interrupt()
4136 switch (dwc->link_state) { in dwc3_gadget_linksts_change_interrupt()
4139 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_linksts_change_interrupt()
4145 if (!dwc->u1u2) in dwc3_gadget_linksts_change_interrupt()
4146 dwc->u1u2 = reg & u1u2; in dwc3_gadget_linksts_change_interrupt()
4150 dwc3_gadget_dctl_write_safe(dwc, reg); in dwc3_gadget_linksts_change_interrupt()
4161 if (dwc->speed == USB_SPEED_SUPER) in dwc3_gadget_linksts_change_interrupt()
4162 dwc3_suspend_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
4166 dwc3_suspend_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
4169 dwc3_resume_gadget(dwc); in dwc3_gadget_linksts_change_interrupt()
4176 dwc->link_state = next; in dwc3_gadget_linksts_change_interrupt()
4179 static void dwc3_gadget_suspend_interrupt(struct dwc3 *dwc, in dwc3_gadget_suspend_interrupt() argument
4184 if (dwc->link_state != next && next == DWC3_LINK_STATE_U3) in dwc3_gadget_suspend_interrupt()
4185 dwc3_suspend_gadget(dwc); in dwc3_gadget_suspend_interrupt()
4187 dwc->link_state = next; in dwc3_gadget_suspend_interrupt()
4190 static void dwc3_gadget_hibernation_interrupt(struct dwc3 *dwc, in dwc3_gadget_hibernation_interrupt() argument
4208 if (is_ss ^ (dwc->speed == USB_SPEED_SUPER)) in dwc3_gadget_hibernation_interrupt()
4214 static void dwc3_gadget_interrupt(struct dwc3 *dwc, in dwc3_gadget_interrupt() argument
4219 dwc3_gadget_disconnect_interrupt(dwc); in dwc3_gadget_interrupt()
4222 dwc3_gadget_reset_interrupt(dwc); in dwc3_gadget_interrupt()
4225 dwc3_gadget_conndone_interrupt(dwc); in dwc3_gadget_interrupt()
4228 dwc3_gadget_wakeup_interrupt(dwc); in dwc3_gadget_interrupt()
4231 if (dev_WARN_ONCE(dwc->dev, !dwc->has_hibernation, in dwc3_gadget_interrupt()
4235 dwc3_gadget_hibernation_interrupt(dwc, event->event_info); in dwc3_gadget_interrupt()
4238 dwc3_gadget_linksts_change_interrupt(dwc, event->event_info); in dwc3_gadget_interrupt()
4247 if (dwc->gadget->state >= USB_STATE_CONFIGURED) in dwc3_gadget_interrupt()
4248 dwc3_gadget_suspend_interrupt(dwc, in dwc3_gadget_interrupt()
4258 dev_WARN(dwc->dev, "UNKNOWN IRQ %d\n", event->type); in dwc3_gadget_interrupt()
4262 static void dwc3_process_event_entry(struct dwc3 *dwc, in dwc3_process_event_entry() argument
4265 trace_dwc3_event(event->raw, dwc); in dwc3_process_event_entry()
4268 dwc3_endpoint_interrupt(dwc, &event->depevt); in dwc3_process_event_entry()
4270 dwc3_gadget_interrupt(dwc, &event->devt); in dwc3_process_event_entry()
4272 dev_err(dwc->dev, "UNKNOWN IRQ type %d\n", event->raw); in dwc3_process_event_entry()
4277 struct dwc3 *dwc = evt->dwc; in dwc3_process_event_buf() local
4291 dwc3_process_event_entry(dwc, &event); in dwc3_process_event_buf()
4310 dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), in dwc3_process_event_buf()
4313 if (dwc->imod_interval) { in dwc3_process_event_buf()
4314 dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), DWC3_GEVNTCOUNT_EHB); in dwc3_process_event_buf()
4315 dwc3_writel(dwc->regs, DWC3_DEV_IMOD(0), dwc->imod_interval); in dwc3_process_event_buf()
4327 struct dwc3 *dwc = evt->dwc; in dwc3_thread_interrupt() local
4332 spin_lock_irqsave(&dwc->lock, flags); in dwc3_thread_interrupt()
4334 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_thread_interrupt()
4342 struct dwc3 *dwc = evt->dwc; in dwc3_check_event_buf() local
4346 if (pm_runtime_suspended(dwc->dev)) { in dwc3_check_event_buf()
4347 pm_runtime_get(dwc->dev); in dwc3_check_event_buf()
4348 disable_irq_nosync(dwc->irq_gadget); in dwc3_check_event_buf()
4349 dwc->pending_events = true; in dwc3_check_event_buf()
4362 count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); in dwc3_check_event_buf()
4371 dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), in dwc3_check_event_buf()
4380 dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), count); in dwc3_check_event_buf()
4392 static int dwc3_gadget_get_irq(struct dwc3 *dwc) in dwc3_gadget_get_irq() argument
4394 struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); in dwc3_gadget_get_irq()
4435 int dwc3_gadget_init(struct dwc3 *dwc) in dwc3_gadget_init() argument
4441 irq = dwc3_gadget_get_irq(dwc); in dwc3_gadget_init()
4447 dwc->irq_gadget = irq; in dwc3_gadget_init()
4449 dwc->ep0_trb = dma_alloc_coherent(dwc->sysdev, in dwc3_gadget_init()
4450 sizeof(*dwc->ep0_trb) * 2, in dwc3_gadget_init()
4451 &dwc->ep0_trb_addr, GFP_KERNEL); in dwc3_gadget_init()
4452 if (!dwc->ep0_trb) { in dwc3_gadget_init()
4453 dev_err(dwc->dev, "failed to allocate ep0 trb\n"); in dwc3_gadget_init()
4458 dwc->setup_buf = kzalloc(DWC3_EP0_SETUP_SIZE, GFP_KERNEL); in dwc3_gadget_init()
4459 if (!dwc->setup_buf) { in dwc3_gadget_init()
4464 dwc->bounce = dma_alloc_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, in dwc3_gadget_init()
4465 &dwc->bounce_addr, GFP_KERNEL); in dwc3_gadget_init()
4466 if (!dwc->bounce) { in dwc3_gadget_init()
4471 init_completion(&dwc->ep0_in_setup); in dwc3_gadget_init()
4472 dwc->gadget = kzalloc(sizeof(struct usb_gadget), GFP_KERNEL); in dwc3_gadget_init()
4473 if (!dwc->gadget) { in dwc3_gadget_init()
4479 usb_initialize_gadget(dwc->dev, dwc->gadget, dwc_gadget_release); in dwc3_gadget_init()
4480 dev = &dwc->gadget->dev; in dwc3_gadget_init()
4481 dev->platform_data = dwc; in dwc3_gadget_init()
4482 dwc->gadget->ops = &dwc3_gadget_ops; in dwc3_gadget_init()
4483 dwc->gadget->speed = USB_SPEED_UNKNOWN; in dwc3_gadget_init()
4484 dwc->gadget->ssp_rate = USB_SSP_GEN_UNKNOWN; in dwc3_gadget_init()
4485 dwc->gadget->sg_supported = true; in dwc3_gadget_init()
4486 dwc->gadget->name = "dwc3-gadget"; in dwc3_gadget_init()
4487 dwc->gadget->lpm_capable = !dwc->usb2_gadget_lpm_disable; in dwc3_gadget_init()
4506 !dwc->dis_metastability_quirk) in dwc3_gadget_init()
4507 dev_info(dwc->dev, "changing max_speed on rev %08x\n", in dwc3_gadget_init()
4508 dwc->revision); in dwc3_gadget_init()
4510 dwc->gadget->max_speed = dwc->maximum_speed; in dwc3_gadget_init()
4511 dwc->gadget->max_ssp_rate = dwc->max_ssp_rate; in dwc3_gadget_init()
4518 ret = dwc3_gadget_init_endpoints(dwc, dwc->num_eps); in dwc3_gadget_init()
4522 ret = usb_add_gadget(dwc->gadget); in dwc3_gadget_init()
4524 dev_err(dwc->dev, "failed to add gadget\n"); in dwc3_gadget_init()
4528 if (DWC3_IP_IS(DWC32) && dwc->maximum_speed == USB_SPEED_SUPER_PLUS) in dwc3_gadget_init()
4529 dwc3_gadget_set_ssp_rate(dwc->gadget, dwc->max_ssp_rate); in dwc3_gadget_init()
4531 dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed); in dwc3_gadget_init()
4536 dwc3_gadget_free_endpoints(dwc); in dwc3_gadget_init()
4538 usb_put_gadget(dwc->gadget); in dwc3_gadget_init()
4539 dwc->gadget = NULL; in dwc3_gadget_init()
4541 dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, in dwc3_gadget_init()
4542 dwc->bounce_addr); in dwc3_gadget_init()
4545 kfree(dwc->setup_buf); in dwc3_gadget_init()
4548 dma_free_coherent(dwc->sysdev, sizeof(*dwc->ep0_trb) * 2, in dwc3_gadget_init()
4549 dwc->ep0_trb, dwc->ep0_trb_addr); in dwc3_gadget_init()
4557 void dwc3_gadget_exit(struct dwc3 *dwc) in dwc3_gadget_exit() argument
4559 if (!dwc->gadget) in dwc3_gadget_exit()
4562 usb_del_gadget(dwc->gadget); in dwc3_gadget_exit()
4563 dwc3_gadget_free_endpoints(dwc); in dwc3_gadget_exit()
4564 usb_put_gadget(dwc->gadget); in dwc3_gadget_exit()
4565 dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, in dwc3_gadget_exit()
4566 dwc->bounce_addr); in dwc3_gadget_exit()
4567 kfree(dwc->setup_buf); in dwc3_gadget_exit()
4568 dma_free_coherent(dwc->sysdev, sizeof(*dwc->ep0_trb) * 2, in dwc3_gadget_exit()
4569 dwc->ep0_trb, dwc->ep0_trb_addr); in dwc3_gadget_exit()
4572 int dwc3_gadget_suspend(struct dwc3 *dwc) in dwc3_gadget_suspend() argument
4576 if (!dwc->gadget_driver) in dwc3_gadget_suspend()
4579 dwc3_gadget_run_stop(dwc, false, false); in dwc3_gadget_suspend()
4581 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_suspend()
4582 dwc3_disconnect_gadget(dwc); in dwc3_gadget_suspend()
4583 __dwc3_gadget_stop(dwc); in dwc3_gadget_suspend()
4584 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_suspend()
4589 int dwc3_gadget_resume(struct dwc3 *dwc) in dwc3_gadget_resume() argument
4593 if (!dwc->gadget_driver || !dwc->softconnect) in dwc3_gadget_resume()
4596 ret = __dwc3_gadget_start(dwc); in dwc3_gadget_resume()
4600 ret = dwc3_gadget_run_stop(dwc, true, false); in dwc3_gadget_resume()
4607 __dwc3_gadget_stop(dwc); in dwc3_gadget_resume()
4613 void dwc3_gadget_process_pending_events(struct dwc3 *dwc) in dwc3_gadget_process_pending_events() argument
4615 if (dwc->pending_events) { in dwc3_gadget_process_pending_events()
4616 dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); in dwc3_gadget_process_pending_events()
4617 dwc->pending_events = false; in dwc3_gadget_process_pending_events()
4618 enable_irq(dwc->irq_gadget); in dwc3_gadget_process_pending_events()