/** * gadget.h - DesignWare USB3 DRD Gadget Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 of * the License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __DRIVERS_USB_DWC3_GADGET_H #define __DRIVERS_USB_DWC3_GADGET_H #include #include #include "io.h" 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)) /* DEPCFG parameter 1 */ #define DWC3_DEPCFG_INT_NUM(n) ((n) << 0) #define DWC3_DEPCFG_XFER_COMPLETE_EN (1 << 8) #define DWC3_DEPCFG_XFER_IN_PROGRESS_EN (1 << 9) #define DWC3_DEPCFG_XFER_NOT_READY_EN (1 << 10) #define DWC3_DEPCFG_FIFO_ERROR_EN (1 << 11) #define DWC3_DEPCFG_STREAM_EVENT_EN (1 << 13) #define DWC3_DEPCFG_BINTERVAL_M1(n) ((n) << 16) #define DWC3_DEPCFG_STREAM_CAPABLE (1 << 24) #define DWC3_DEPCFG_EP_NUMBER(n) ((n) << 25) #define DWC3_DEPCFG_BULK_BASED (1 << 30) #define DWC3_DEPCFG_FIFO_BASED (1 << 31) /* DEPCFG parameter 0 */ #define DWC3_DEPCFG_EP_TYPE(n) ((n) << 1) #define DWC3_DEPCFG_MAX_PACKET_SIZE(n) ((n) << 3) #define DWC3_DEPCFG_FIFO_NUMBER(n) ((n) << 17) #define DWC3_DEPCFG_BURST_SIZE(n) ((n) << 22) #define DWC3_DEPCFG_DATA_SEQ_NUM(n) ((n) << 26) /* This applies for core versions earlier than 1.94a */ #define DWC3_DEPCFG_IGN_SEQ_NUM (1 << 31) /* These apply for core versions 1.94a and later */ #define DWC3_DEPCFG_ACTION_INIT (0 << 30) #define DWC3_DEPCFG_ACTION_RESTORE (1 << 30) #define DWC3_DEPCFG_ACTION_MODIFY (2 << 30) /* DEPXFERCFG parameter 0 */ #define DWC3_DEPXFERCFG_NUM_XFER_RES(n) ((n) & 0xffff) /* -------------------------------------------------------------------------- */ #define to_dwc3_request(r) (container_of(r, struct dwc3_request, request)) static inline struct dwc3_request *next_request(struct list_head *list) { return list_first_entry_or_null(list, struct dwc3_request, list); } static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) { struct dwc3_ep *dep = req->dep; req->started = true; list_move_tail(&req->list, &dep->started_list); } 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); 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); /** * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW * @dwc: DesignWare USB3 Pointer * @number: DWC endpoint number * * Caller should take care of locking */ static inline u32 dwc3_gadget_ep_get_transfer_index(struct dwc3_ep *dep) { u32 res_id; res_id = dwc3_readl(dep->regs, DWC3_DEPCMD); return DWC3_DEPCMD_GET_RSC_IDX(res_id); } #endif /* __DRIVERS_USB_DWC3_GADGET_H */

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