debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/usb/dwc3/gadget.h
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@@ -1,8 +1,8 @@
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-// SPDX-License-Identifier: GPL-2.0
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+/* SPDX-License-Identifier: GPL-2.0 */
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 /*
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  * gadget.h - DesignWare USB3 DRD Gadget Header
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  *
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- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
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+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
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  *
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  * Authors: Felipe Balbi <balbi@ti.com>,
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  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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@@ -17,7 +17,7 @@
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17
 
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 struct dwc3;
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 #define to_dwc3_ep(ep)		(container_of(ep, struct dwc3_ep, endpoint))
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-#define gadget_to_dwc(g)	(container_of(g, struct dwc3, gadget))
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+#define gadget_to_dwc(g)	(dev_get_platdata(&g->dev))
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21
 
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 /* DEPCFG parameter 1 */
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 #define DWC3_DEPCFG_INT_NUM(n)		(((n) & 0x1f) << 0)
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@@ -48,6 +48,14 @@
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 /* DEPXFERCFG parameter 0 */
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 #define DWC3_DEPXFERCFG_NUM_XFER_RES(n)	((n) & 0xffff)
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+/* U1 Device exit Latency */
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+#define DWC3_DEFAULT_U1_DEV_EXIT_LAT	0x0A	/* Less then 10 microsec */
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+
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+/* U2 Device exit Latency */
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+#define DWC3_DEFAULT_U2_DEV_EXIT_LAT	0x1FF	/* Less then 511 microsec */
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+
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+/* Frame/Microframe Number Mask */
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+#define DWC3_FRNUMBER_MASK		0x3fff
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 /* -------------------------------------------------------------------------- */
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 #define to_dwc3_request(r)	(container_of(r, struct dwc3_request, request))
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@@ -62,21 +70,6 @@
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 static inline struct dwc3_request *next_request(struct list_head *list)
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 {
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 	return list_first_entry_or_null(list, struct dwc3_request, list);
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-}
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-
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-/**
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- * dwc3_gadget_move_queued_request - move @req to the pending_list
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- * @req: the request to be moved
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- *
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- * Caller should take care of locking. This function will move @req from its
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- * current list to the endpoint's pending_list.
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- */
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-static inline void dwc3_gadget_move_queued_request(struct dwc3_request *req)
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-{
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-	struct dwc3_ep		*dep = req->dep;
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-
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-	req->status = DWC3_REQUEST_STATUS_QUEUED;
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-	list_move_tail(&req->list, &dep->pending_list);
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 }
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 /**
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@@ -97,16 +90,34 @@
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 /**
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  * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list
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  * @req: the request to be moved
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+ * @reason: cancelled reason for the dwc3 request
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  *
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  * Caller should take care of locking. This function will move @req from its
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  * current list to the endpoint's cancelled_list.
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  */
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-static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req)
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+static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req,
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+		unsigned int reason)
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 {
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 	struct dwc3_ep		*dep = req->dep;
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-	req->status = DWC3_REQUEST_STATUS_CANCELLED;
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+	req->status = reason;
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 	list_move_tail(&req->list, &dep->cancelled_list);
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+}
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+
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+/**
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+ * dwc3_gadget_move_queued_request - move @req to the pending_list
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+ * @req: the request to be moved
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+ *
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+ * Caller should take care of locking. This function will move @req from its
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+ * current list to the endpoint's pending_list.
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+ *
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+ */
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+static inline void dwc3_gadget_move_queued_request(struct dwc3_request *req)
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+{
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+	struct dwc3_ep          *dep = req->dep;
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+
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+	req->status = DWC3_REQUEST_STATUS_QUEUED;
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+	list_move_tail(&req->list, &dep->pending_list);
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 }
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 void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
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@@ -115,11 +126,15 @@
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 void dwc3_ep0_interrupt(struct dwc3 *dwc,
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 		const struct dwc3_event_depevt *event);
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 void dwc3_ep0_out_start(struct dwc3 *dwc);
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+void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep);
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+void dwc3_ep0_stall_and_restart(struct dwc3 *dwc);
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 int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
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 int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
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 int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
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 		gfp_t gfp_flags);
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 int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
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+void dwc3_ep0_send_delayed_status(struct dwc3 *dwc);
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+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);
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 /**
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  * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
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@@ -136,4 +151,18 @@
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 	dep->resource_index = DWC3_DEPCMD_GET_RSC_IDX(res_id);
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 }
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+/**
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+ * dwc3_gadget_dctl_write_safe - write to DCTL safe from link state change
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+ * @dwc: pointer to our context structure
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+ * @value: value to write to DCTL
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+ *
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+ * Use this function when doing read-modify-write to DCTL. It will not
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+ * send link state change request.
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+ */
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+static inline void dwc3_gadget_dctl_write_safe(struct dwc3 *dwc, u32 value)
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+{
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+	value &= ~DWC3_DCTL_ULSTCHNGREQ_MASK;
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+	dwc3_writel(dwc->regs, DWC3_DCTL, value);
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+}
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+
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 #endif /* __DRIVERS_USB_DWC3_GADGET_H */