dm thin metadata: fix __udivdi3 undefined on 32-bit
[linux/fpc-iii.git] / drivers / usb / dwc3 / gadget.h
blobccd9694f8e36a1df4a9a1a62a75aa0dc03e39d6d
1 /**
2 * gadget.h - DesignWare USB3 DRD Gadget Header
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
6 * Authors: Felipe Balbi <balbi@ti.com>,
7 * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 of
11 * the License as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 #ifndef __DRIVERS_USB_DWC3_GADGET_H
20 #define __DRIVERS_USB_DWC3_GADGET_H
22 #include <linux/list.h>
23 #include <linux/usb/gadget.h>
24 #include "io.h"
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))
30 /* DEPCFG parameter 1 */
31 #define DWC3_DEPCFG_INT_NUM(n) (((n) & 0x1f) << 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) & 0xff) << 16)
38 #define DWC3_DEPCFG_STREAM_CAPABLE (1 << 24)
39 #define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25)
40 #define DWC3_DEPCFG_BULK_BASED (1 << 30)
41 #define DWC3_DEPCFG_FIFO_BASED (1 << 31)
43 /* DEPCFG parameter 0 */
44 #define DWC3_DEPCFG_EP_TYPE(n) (((n) & 0x3) << 1)
45 #define DWC3_DEPCFG_MAX_PACKET_SIZE(n) (((n) & 0x7ff) << 3)
46 #define DWC3_DEPCFG_FIFO_NUMBER(n) (((n) & 0x1f) << 17)
47 #define DWC3_DEPCFG_BURST_SIZE(n) (((n) & 0xf) << 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)
56 /* DEPXFERCFG parameter 0 */
57 #define DWC3_DEPXFERCFG_NUM_XFER_RES(n) ((n) & 0xffff)
59 /* -------------------------------------------------------------------------- */
61 #define to_dwc3_request(r) (container_of(r, struct dwc3_request, request))
63 static inline struct dwc3_request *next_request(struct list_head *list)
65 if (list_empty(list))
66 return NULL;
68 return list_first_entry(list, struct dwc3_request, list);
71 static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req)
73 struct dwc3_ep *dep = req->dep;
75 req->queued = true;
76 list_move_tail(&req->list, &dep->req_queued);
79 void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
80 int status);
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);
91 /**
92 * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
93 * @dwc: DesignWare USB3 Pointer
94 * @number: DWC endpoint number
96 * Caller should take care of locking
98 static inline u32 dwc3_gadget_ep_get_transfer_index(struct dwc3 *dwc, u8 number)
100 u32 res_id;
102 res_id = dwc3_readl(dwc->regs, DWC3_DEPCMD(number));
104 return DWC3_DEPCMD_GET_RSC_IDX(res_id);
107 #endif /* __DRIVERS_USB_DWC3_GADGET_H */