diff options
-rw-r--r-- | drivers/usb/dwc3/core.h | 2 | ||||
-rw-r--r-- | drivers/usb/dwc3/ep0.c | 26 | ||||
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 108 | ||||
-rw-r--r-- | drivers/usb/dwc3/gadget.h | 2 |
4 files changed, 78 insertions, 60 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 60672f149aaf..83b6c871d58d 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1080,7 +1080,7 @@ struct dwc3 { struct dwc3_event_buffer *ev_buf; struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM]; - struct usb_gadget gadget; + struct usb_gadget *gadget; struct usb_gadget_driver *gadget_driver; struct clk_bulk_data *clks; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 291482b2ef7e..b0363e3ba4d1 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -131,7 +131,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, direction = !dwc->ep0_expect_in; dwc->delayed_status = false; - usb_gadget_set_state(&dwc->gadget, USB_STATE_CONFIGURED); + usb_gadget_set_state(dwc->gadget, USB_STATE_CONFIGURED); if (dwc->ep0state == EP0_STATUS_PHASE) __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]); @@ -325,7 +325,7 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc, /* * LTM will be set once we know how to set this in HW. */ - usb_status |= dwc->gadget.is_selfpowered; + usb_status |= dwc->gadget->is_selfpowered; if ((dwc->speed == DWC3_DSTS_SUPERSPEED) || (dwc->speed == DWC3_DSTS_SUPERSPEED_PLUS)) { @@ -450,7 +450,7 @@ static int dwc3_ep0_handle_device(struct dwc3 *dwc, wValue = le16_to_cpu(ctrl->wValue); wIndex = le16_to_cpu(ctrl->wIndex); - state = dwc->gadget.state; + state = dwc->gadget->state; switch (wValue) { case USB_DEVICE_REMOTE_WAKEUP: @@ -564,7 +564,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) { - enum usb_device_state state = dwc->gadget.state; + enum usb_device_state state = dwc->gadget->state; u32 addr; u32 reg; @@ -585,9 +585,9 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dwc3_writel(dwc->regs, DWC3_DCFG, reg); if (addr) - usb_gadget_set_state(&dwc->gadget, USB_STATE_ADDRESS); + usb_gadget_set_state(dwc->gadget, USB_STATE_ADDRESS); else - usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT); + usb_gadget_set_state(dwc->gadget, USB_STATE_DEFAULT); return 0; } @@ -597,14 +597,14 @@ static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) int ret; spin_unlock(&dwc->lock); - ret = dwc->gadget_driver->setup(&dwc->gadget, ctrl); + ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); spin_lock(&dwc->lock); return ret; } static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) { - enum usb_device_state state = dwc->gadget.state; + enum usb_device_state state = dwc->gadget->state; u32 cfg; int ret; u32 reg; @@ -627,7 +627,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) * to change the state on the next usb_ep_queue() */ if (ret == 0) - usb_gadget_set_state(&dwc->gadget, + usb_gadget_set_state(dwc->gadget, USB_STATE_CONFIGURED); /* @@ -646,7 +646,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) case USB_STATE_CONFIGURED: ret = dwc3_ep0_delegate_req(dwc, ctrl); if (!cfg && !ret) - usb_gadget_set_state(&dwc->gadget, + usb_gadget_set_state(dwc->gadget, USB_STATE_ADDRESS); break; default: @@ -702,7 +702,7 @@ static void dwc3_ep0_set_sel_cmpl(struct usb_ep *ep, struct usb_request *req) static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) { struct dwc3_ep *dep; - enum usb_device_state state = dwc->gadget.state; + enum usb_device_state state = dwc->gadget->state; u16 wLength; if (state == USB_STATE_DEFAULT) @@ -746,7 +746,7 @@ static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ct if (wIndex || wLength) return -EINVAL; - dwc->gadget.isoch_delay = wValue; + dwc->gadget->isoch_delay = wValue; return 0; } @@ -1118,7 +1118,7 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc, */ if (!list_empty(&dep->pending_list)) { dwc->delayed_status = false; - usb_gadget_set_state(&dwc->gadget, + usb_gadget_set_state(dwc->gadget, USB_STATE_CONFIGURED); dwc3_ep0_do_control_status(dwc, event); } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 08111b97df04..4c7b6cceeafd 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -291,7 +291,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd, * * DWC_usb3 3.30a and DWC_usb31 1.90a programming guide section 3.2.2 */ - if (dwc->gadget.speed <= USB_SPEED_HIGH) { + if (dwc->gadget->speed <= USB_SPEED_HIGH) { reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); if (unlikely(reg & DWC3_GUSB2PHYCFG_SUSPHY)) { saved_config |= DWC3_GUSB2PHYCFG_SUSPHY; @@ -423,7 +423,7 @@ static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep *dep) */ if (dep->direction && !DWC3_VER_IS_PRIOR(DWC3, 260A) && - (dwc->gadget.speed >= USB_SPEED_SUPER)) + (dwc->gadget->speed >= USB_SPEED_SUPER)) cmd |= DWC3_DEPCMD_CLEARPENDIN; memset(¶ms, 0, sizeof(params)); @@ -563,7 +563,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3_ep *dep, unsigned int action) | DWC3_DEPCFG_MAX_PACKET_SIZE(usb_endpoint_maxp(desc)); /* Burst size is only needed in SuperSpeed mode */ - if (dwc->gadget.speed >= USB_SPEED_SUPER) { + if (dwc->gadget->speed >= USB_SPEED_SUPER) { u32 burst = dep->endpoint.maxburst; params.param0 |= DWC3_DEPCFG_BURST_SIZE(burst - 1); @@ -950,7 +950,7 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb, unsigned int is_last) { struct dwc3 *dwc = dep->dwc; - struct usb_gadget *gadget = &dwc->gadget; + struct usb_gadget *gadget = dwc->gadget; enum usb_device_speed speed = gadget->speed; trb->size = DWC3_TRB_SIZE_LENGTH(length); @@ -1542,12 +1542,12 @@ static int __dwc3_gadget_start_isoc(struct dwc3_ep *dep) if (!dwc->dis_start_transfer_quirk && (DWC3_VER_IS_PRIOR(DWC31, 170A) || DWC3_VER_TYPE_IS_WITHIN(DWC31, 170A, EA01, EA06))) { - if (dwc->gadget.speed <= USB_SPEED_HIGH && dep->direction) + if (dwc->gadget->speed <= USB_SPEED_HIGH && dep->direction) return dwc3_gadget_start_isoc_quirk(dep); } if (desc->bInterval <= 14 && - dwc->gadget.speed >= USB_SPEED_HIGH) { + dwc->gadget->speed >= USB_SPEED_HIGH) { u32 frame = __dwc3_gadget_get_frame(dwc); bool rollover = frame < (dep->frame_number & DWC3_FRNUMBER_MASK); @@ -2256,7 +2256,7 @@ static int dwc3_gadget_start(struct usb_gadget *g, spin_lock_irqsave(&dwc->lock, flags); if (dwc->gadget_driver) { dev_err(dwc->dev, "%s is already bound to %s\n", - dwc->gadget.name, + dwc->gadget->name, dwc->gadget_driver->driver.name); ret = -EBUSY; goto err1; @@ -2428,7 +2428,7 @@ static int dwc3_gadget_init_control_endpoint(struct dwc3_ep *dep) dep->endpoint.maxburst = 1; dep->endpoint.ops = &dwc3_gadget_ep0_ops; if (!dep->direction) - dwc->gadget.ep0 = &dep->endpoint; + dwc->gadget->ep0 = &dep->endpoint; dep->endpoint.caps.type_control = true; @@ -2474,7 +2474,7 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep) dep->endpoint.max_streams = 15; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, - &dwc->gadget.ep_list); + &dwc->gadget->ep_list); dep->endpoint.caps.type_iso = true; dep->endpoint.caps.type_bulk = true; dep->endpoint.caps.type_int = true; @@ -2523,7 +2523,7 @@ static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep) dep->endpoint.max_streams = 15; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, - &dwc->gadget.ep_list); + &dwc->gadget->ep_list); dep->endpoint.caps.type_iso = true; dep->endpoint.caps.type_bulk = true; dep->endpoint.caps.type_int = true; @@ -2584,7 +2584,7 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc, u8 total) { u8 epnum; - INIT_LIST_HEAD(&dwc->gadget.ep_list); + INIT_LIST_HEAD(&dwc->gadget->ep_list); for (epnum = 0; epnum < total; epnum++) { int ret; @@ -3051,7 +3051,7 @@ static void dwc3_disconnect_gadget(struct dwc3 *dwc) { if (dwc->gadget_driver && dwc->gadget_driver->disconnect) { spin_unlock(&dwc->lock); - dwc->gadget_driver->disconnect(&dwc->gadget); + dwc->gadget_driver->disconnect(dwc->gadget); spin_lock(&dwc->lock); } } @@ -3060,7 +3060,7 @@ static void dwc3_suspend_gadget(struct dwc3 *dwc) { if (dwc->gadget_driver && dwc->gadget_driver->suspend) { spin_unlock(&dwc->lock); - dwc->gadget_driver->suspend(&dwc->gadget); + dwc->gadget_driver->suspend(dwc->gadget); spin_lock(&dwc->lock); } } @@ -3069,7 +3069,7 @@ static void dwc3_resume_gadget(struct dwc3 *dwc) { if (dwc->gadget_driver && dwc->gadget_driver->resume) { spin_unlock(&dwc->lock); - dwc->gadget_driver->resume(&dwc->gadget); + dwc->gadget_driver->resume(dwc->gadget); spin_lock(&dwc->lock); } } @@ -3079,9 +3079,9 @@ static void dwc3_reset_gadget(struct dwc3 *dwc) if (!dwc->gadget_driver) return; - if (dwc->gadget.speed != USB_SPEED_UNKNOWN) { + if (dwc->gadget->speed != USB_SPEED_UNKNOWN) { spin_unlock(&dwc->lock); - usb_gadget_udc_reset(&dwc->gadget, dwc->gadget_driver); + usb_gadget_udc_reset(dwc->gadget, dwc->gadget_driver); spin_lock(&dwc->lock); } } @@ -3182,9 +3182,9 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) dwc3_disconnect_gadget(dwc); - dwc->gadget.speed = USB_SPEED_UNKNOWN; + dwc->gadget->speed = USB_SPEED_UNKNOWN; dwc->setup_packet_pending = false; - usb_gadget_set_state(&dwc->gadget, USB_STATE_NOTATTACHED); + usb_gadget_set_state(dwc->gadget, USB_STATE_NOTATTACHED); dwc->connected = false; } @@ -3263,8 +3263,8 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) switch (speed) { case DWC3_DSTS_SUPERSPEED_PLUS: dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); - dwc->gadget.ep0->maxpacket = 512; - dwc->gadget.speed = USB_SPEED_SUPER_PLUS; + dwc->gadget->ep0->maxpacket = 512; + dwc->gadget->speed = USB_SPEED_SUPER_PLUS; break; case DWC3_DSTS_SUPERSPEED: /* @@ -3284,27 +3284,27 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) dwc3_gadget_reset_interrupt(dwc); dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); - dwc->gadget.ep0->maxpacket = 512; - dwc->gadget.speed = USB_SPEED_SUPER; + dwc->gadget->ep0->maxpacket = 512; + dwc->gadget->speed = USB_SPEED_SUPER; break; case DWC3_DSTS_HIGHSPEED: dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(64); - dwc->gadget.ep0->maxpacket = 64; - dwc->gadget.speed = USB_SPEED_HIGH; + dwc->gadget->ep0->maxpacket = 64; + dwc->gadget->speed = USB_SPEED_HIGH; break; case DWC3_DSTS_FULLSPEED: dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(64); - dwc->gadget.ep0->maxpacket = 64; - dwc->gadget.speed = USB_SPEED_FULL; + dwc->gadget->ep0->maxpacket = 64; + dwc->gadget->speed = USB_SPEED_FULL; break; case DWC3_DSTS_LOWSPEED: dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(8); - dwc->gadget.ep0->maxpacket = 8; - dwc->gadget.speed = USB_SPEED_LOW; + dwc->gadget->ep0->maxpacket = 8; + dwc->gadget->speed = USB_SPEED_LOW; break; } - dwc->eps[1]->endpoint.maxpacket = dwc->gadget.ep0->maxpacket; + dwc->eps[1]->endpoint.maxpacket = dwc->gadget->ep0->maxpacket; /* Enable USB2 LPM Capability */ @@ -3372,7 +3372,7 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) if (dwc->gadget_driver && dwc->gadget_driver->resume) { spin_unlock(&dwc->lock); - dwc->gadget_driver->resume(&dwc->gadget); + dwc->gadget_driver->resume(dwc->gadget); spin_lock(&dwc->lock); } } @@ -3543,7 +3543,7 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc, * Ignore suspend event until the gadget enters into * USB_STATE_CONFIGURED state. */ - if (dwc->gadget.state >= USB_STATE_CONFIGURED) + if (dwc->gadget->state >= USB_STATE_CONFIGURED) dwc3_gadget_suspend_interrupt(dwc, event->event_info); } @@ -3718,6 +3718,13 @@ out: return irq; } +static void dwc_gadget_release(struct device *dev) +{ + struct usb_gadget *gadget = container_of(dev, struct usb_gadget, dev); + + kfree(gadget); +} + /** * dwc3_gadget_init - initializes gadget related registers * @dwc: pointer to our controller context structure @@ -3728,6 +3735,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) { int ret; int irq; + struct device *dev; irq = dwc3_gadget_get_irq(dwc); if (irq < 0) { @@ -3760,12 +3768,21 @@ int dwc3_gadget_init(struct dwc3 *dwc) } init_completion(&dwc->ep0_in_setup); + dwc->gadget = kzalloc(sizeof(struct usb_gadget), GFP_KERNEL); + if (!dwc->gadget) { + ret = -ENOMEM; + goto err3; + } - dwc->gadget.ops = &dwc3_gadget_ops; - dwc->gadget.speed = USB_SPEED_UNKNOWN; - dwc->gadget.sg_supported = true; - dwc->gadget.name = "dwc3-gadget"; - dwc->gadget.lpm_capable = true; + + usb_initialize_gadget(dwc->dev, dwc->gadget, dwc_gadget_release); + dev = &dwc->gadget->dev; + dev->platform_data = dwc; + dwc->gadget->ops = &dwc3_gadget_ops; + dwc->gadget->speed = USB_SPEED_UNKNOWN; + dwc->gadget->sg_supported = true; + dwc->gadget->name = "dwc3-gadget"; + dwc->gadget->lpm_capable = true; /* * FIXME We might be setting max_speed to <SUPER, however versions @@ -3788,7 +3805,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) dev_info(dwc->dev, "changing max_speed on rev %08x\n", dwc->revision); - dwc->gadget.max_speed = dwc->maximum_speed; + dwc->gadget->max_speed = dwc->maximum_speed; /* * REVISIT: Here we should clear all pending IRQs to be @@ -3797,21 +3814,22 @@ int dwc3_gadget_init(struct dwc3 *dwc) ret = dwc3_gadget_init_endpoints(dwc, dwc->num_eps); if (ret) - goto err3; + goto err4; - ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget); + ret = usb_add_gadget(dwc->gadget); if (ret) { - dev_err(dwc->dev, "failed to register udc\n"); - goto err4; + dev_err(dwc->dev, "failed to add gadget\n"); + goto err5; } - dwc3_gadget_set_speed(&dwc->gadget, dwc->maximum_speed); + dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed); return 0; -err4: +err5: dwc3_gadget_free_endpoints(dwc); - +err4: + usb_put_gadget(dwc->gadget); err3: dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, dwc->bounce_addr); @@ -3831,7 +3849,7 @@ err0: void dwc3_gadget_exit(struct dwc3 *dwc) { - usb_del_gadget_udc(&dwc->gadget); + usb_del_gadget_udc(dwc->gadget); dwc3_gadget_free_endpoints(dwc); dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, dwc->bounce_addr); diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index a7791cb827c4..0cd281949970 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -17,7 +17,7 @@ struct dwc3; #define to_dwc3_ep(ep) (container_of(ep, struct dwc3_ep, endpoint)) -#define gadget_to_dwc(g) (container_of(g, struct dwc3, gadget)) +#define gadget_to_dwc(g) (dev_get_platdata(&g->dev)) /* DEPCFG parameter 1 */ #define DWC3_DEPCFG_INT_NUM(n) (((n) & 0x1f) << 0) |