/* SPDX-License-Identifier: GPL-2.0 */ /* * gadget.h - DesignWare USB3 DRD Gadget Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com * * Authors: Felipe Balbi <[email protected]>, * Sebastian Andrzej Siewior <[email protected]> */ #ifndef __DRIVERS_USB_DWC3_GADGET_H #define __DRIVERS_USB_DWC3_GADGET_H #include <linux/list.h> #include <linux/usb/gadget.h> #include "io.h" struct dwc3; #define to_dwc3_ep(ep) … #define gadget_to_dwc(g) … /* DEPCFG parameter 1 */ #define DWC3_DEPCFG_INT_NUM(n) … #define DWC3_DEPCFG_XFER_COMPLETE_EN … #define DWC3_DEPCFG_XFER_IN_PROGRESS_EN … #define DWC3_DEPCFG_XFER_NOT_READY_EN … #define DWC3_DEPCFG_FIFO_ERROR_EN … #define DWC3_DEPCFG_STREAM_EVENT_EN … #define DWC3_DEPCFG_BINTERVAL_M1(n) … #define DWC3_DEPCFG_STREAM_CAPABLE … #define DWC3_DEPCFG_EP_NUMBER(n) … #define DWC3_DEPCFG_BULK_BASED … #define DWC3_DEPCFG_FIFO_BASED … /* DEPCFG parameter 0 */ #define DWC3_DEPCFG_EP_TYPE(n) … #define DWC3_DEPCFG_MAX_PACKET_SIZE(n) … #define DWC3_DEPCFG_FIFO_NUMBER(n) … #define DWC3_DEPCFG_BURST_SIZE(n) … #define DWC3_DEPCFG_DATA_SEQ_NUM(n) … /* This applies for core versions earlier than 1.94a */ #define DWC3_DEPCFG_IGN_SEQ_NUM … /* These apply for core versions 1.94a and later */ #define DWC3_DEPCFG_ACTION_INIT … #define DWC3_DEPCFG_ACTION_RESTORE … #define DWC3_DEPCFG_ACTION_MODIFY … /* DEPXFERCFG parameter 0 */ #define DWC3_DEPXFERCFG_NUM_XFER_RES(n) … /* U1 Device exit Latency */ #define DWC3_DEFAULT_U1_DEV_EXIT_LAT … /* U2 Device exit Latency */ #define DWC3_DEFAULT_U2_DEV_EXIT_LAT … /* Frame/Microframe Number Mask */ #define DWC3_FRNUMBER_MASK … /* -------------------------------------------------------------------------- */ #define to_dwc3_request(r) … /** * next_request - gets the next request on the given list * @list: the request list to operate on * * Caller should take care of locking. This function return %NULL or the first * request available on @list. */ static inline struct dwc3_request *next_request(struct list_head *list) { … } /** * dwc3_gadget_move_started_request - move @req to the started_list * @req: the request to be moved * * Caller should take care of locking. This function will move @req from its * current list to the endpoint's started_list. */ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) { … } /** * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list * @req: the request to be moved * @reason: cancelled reason for the dwc3 request * * Caller should take care of locking. This function will move @req from its * current list to the endpoint's cancelled_list. */ static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req, unsigned int reason) { … } void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); void dwc3_ep0_interrupt(struct dwc3 *dwc, const struct dwc3_event_depevt *event); void dwc3_ep0_out_start(struct dwc3 *dwc); void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep); void dwc3_ep0_stall_and_restart(struct dwc3 *dwc); int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, gfp_t gfp_flags); int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol); void dwc3_ep0_send_delayed_status(struct dwc3 *dwc); void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt); int dwc3_gadget_start_config(struct dwc3 *dwc, unsigned int resource_index); /** * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW * @dep: dwc3 endpoint * * Caller should take care of locking. Returns the transfer resource * index for a given endpoint. */ static inline void dwc3_gadget_ep_get_transfer_index(struct dwc3_ep *dep) { … } /** * dwc3_gadget_dctl_write_safe - write to DCTL safe from link state change * @dwc: pointer to our context structure * @value: value to write to DCTL * * Use this function when doing read-modify-write to DCTL. It will not * send link state change request. */ static inline void dwc3_gadget_dctl_write_safe(struct dwc3 *dwc, u32 value) { … } #endif /* __DRIVERS_USB_DWC3_GADGET_H */
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