projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 85d5e707 KVA |
1 | /** |
| 2 | * gadget.h - DesignWare USB3 DRD Gadget Header | |
| 3 | * | |
| 30c31d58 | 4 | * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com |
| 85d5e707 KVA |
5 | * |
| 6 | * Authors: Felipe Balbi <balbi@ti.com>, | |
| 7 | * Sebastian Andrzej Siewior <bigeasy@linutronix.de> | |
| 8 | * | |
| 30c31d58 KVA |
9 | * Taken from Linux Kernel v3.19-rc1 (drivers/usb/dwc3/gadget.h) and ported |
| 10 | * to uboot. | |
| 11 | * | |
| 12 | * commit 7a60855972 : usb: dwc3: gadget: fix set_halt() bug with pending | |
| 13 | transfers | |
| 14 | * | |
| 15 | * SPDX-License-Identifier: GPL-2.0 | |
| 85d5e707 | 16 | * |
| 85d5e707 KVA |
17 | */ |
| 18 | ||
| 19 | #ifndef __DRIVERS_USB_DWC3_GADGET_H | |
| 20 | #define __DRIVERS_USB_DWC3_GADGET_H | |
| 21 | ||
| 22 | #include <linux/list.h> | |
| 23 | #include <linux/usb/gadget.h> | |
| 24 | #include "io.h" | |
| 25 | ||
| 26 | struct dwc3; | |
| 27 | #define to_dwc3_ep(ep) (container_of(ep, struct dwc3_ep, endpoint)) | |
| 28 | #define gadget_to_dwc(g) (container_of(g, struct dwc3, gadget)) | |
| 29 | ||
| 30 | /* DEPCFG parameter 1 */ | |
| 31 | #define DWC3_DEPCFG_INT_NUM(n) ((n) << 0) | |
| 32 | #define DWC3_DEPCFG_XFER_COMPLETE_EN (1 << 8) | |
| 33 | #define DWC3_DEPCFG_XFER_IN_PROGRESS_EN (1 << 9) | |
| 34 | #define DWC3_DEPCFG_XFER_NOT_READY_EN (1 << 10) | |
| 35 | #define DWC3_DEPCFG_FIFO_ERROR_EN (1 << 11) | |
| 36 | #define DWC3_DEPCFG_STREAM_EVENT_EN (1 << 13) | |
| 37 | #define DWC3_DEPCFG_BINTERVAL_M1(n) ((n) << 16) | |
| 38 | #define DWC3_DEPCFG_STREAM_CAPABLE (1 << 24) | |
| 39 | #define DWC3_DEPCFG_EP_NUMBER(n) ((n) << 25) | |
| 40 | #define DWC3_DEPCFG_BULK_BASED (1 << 30) | |
| 41 | #define DWC3_DEPCFG_FIFO_BASED (1 << 31) | |
| 42 | ||
| 43 | /* DEPCFG parameter 0 */ | |
| 44 | #define DWC3_DEPCFG_EP_TYPE(n) ((n) << 1) | |
| 45 | #define DWC3_DEPCFG_MAX_PACKET_SIZE(n) ((n) << 3) | |
| 46 | #define DWC3_DEPCFG_FIFO_NUMBER(n) ((n) << 17) | |
| 47 | #define DWC3_DEPCFG_BURST_SIZE(n) ((n) << 22) | |
| 48 | #define DWC3_DEPCFG_DATA_SEQ_NUM(n) ((n) << 26) | |
| 49 | /* This applies for core versions earlier than 1.94a */ | |
| 50 | #define DWC3_DEPCFG_IGN_SEQ_NUM (1 << 31) | |
| 51 | /* These apply for core versions 1.94a and later */ | |
| 52 | #define DWC3_DEPCFG_ACTION_INIT (0 << 30) | |
| 53 | #define DWC3_DEPCFG_ACTION_RESTORE (1 << 30) | |
| 54 | #define DWC3_DEPCFG_ACTION_MODIFY (2 << 30) | |
| 55 | ||
| 56 | /* DEPXFERCFG parameter 0 */ | |
| 57 | #define DWC3_DEPXFERCFG_NUM_XFER_RES(n) ((n) & 0xffff) | |
| 58 | ||
| 59 | /* -------------------------------------------------------------------------- */ | |
| 60 | ||
| 61 | #define to_dwc3_request(r) (container_of(r, struct dwc3_request, request)) | |
| 62 | ||
| 63 | static inline struct dwc3_request *next_request(struct list_head *list) | |
| 64 | { | |
| 65 | if (list_empty(list)) | |
| 66 | return NULL; | |
| 67 | ||
| 68 | return list_first_entry(list, struct dwc3_request, list); | |
| 69 | } | |
| 70 | ||
| 71 | static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req) | |
| 72 | { | |
| 73 | struct dwc3_ep *dep = req->dep; | |
| 74 | ||
| 75 | req->queued = true; | |
| 76 | list_move_tail(&req->list, &dep->req_queued); | |
| 77 | } | |
| 78 | ||
| 79 | void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, | |
| 80 | int status); | |
| 81 | ||
| 82 | void dwc3_ep0_interrupt(struct dwc3 *dwc, | |
| 83 | const struct dwc3_event_depevt *event); | |
| 84 | void dwc3_ep0_out_start(struct dwc3 *dwc); | |
| 85 | int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); | |
| 86 | int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); | |
| 87 | int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, | |
| 88 | gfp_t gfp_flags); | |
| 89 | int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol); | |
| 90 | ||
| 91 | /** | |
| 92 | * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW | |
| 93 | * @dwc: DesignWare USB3 Pointer | |
| 94 | * @number: DWC endpoint number | |
| 95 | * | |
| 96 | * Caller should take care of locking | |
| 97 | */ | |
| 98 | static inline u32 dwc3_gadget_ep_get_transfer_index(struct dwc3 *dwc, u8 number) | |
| 99 | { | |
| 100 | u32 res_id; | |
| 101 | ||
| 102 | res_id = dwc3_readl(dwc->regs, DWC3_DEPCMD(number)); | |
| 103 | ||
| 104 | return DWC3_DEPCMD_GET_RSC_IDX(res_id); | |
| 105 | } | |
| 106 | ||
| 107 | #endif /* __DRIVERS_USB_DWC3_GADGET_H */ |