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1 | /** |
2 | * gadget.h - DesignWare USB3 DRD Gadget Header | |
3 | * | |
4 | * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com | |
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5 | * |
6 | * Authors: Felipe Balbi <balbi@ti.com>, | |
7 | * Sebastian Andrzej Siewior <bigeasy@linutronix.de> | |
8 | * | |
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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. | |
72246da4 | 12 | * |
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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. | |
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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 | ||
dc1c70a7 | 30 | /* DEPCFG parameter 1 */ |
ab5b0a6f | 31 | #define DWC3_DEPCFG_INT_NUM(n) (((n) & 0x1f) << 0) |
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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) | |
ab5b0a6f | 37 | #define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16) |
dc1c70a7 | 38 | #define DWC3_DEPCFG_STREAM_CAPABLE (1 << 24) |
ab5b0a6f | 39 | #define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25) |
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40 | #define DWC3_DEPCFG_BULK_BASED (1 << 30) |
41 | #define DWC3_DEPCFG_FIFO_BASED (1 << 31) | |
42 | ||
43 | /* DEPCFG parameter 0 */ | |
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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) | |
dc1c70a7 | 48 | #define DWC3_DEPCFG_DATA_SEQ_NUM(n) ((n) << 26) |
2c61a8ef | 49 | /* This applies for core versions earlier than 1.94a */ |
dc1c70a7 | 50 | #define DWC3_DEPCFG_IGN_SEQ_NUM (1 << 31) |
2c61a8ef PZ |
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) | |
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55 | |
56 | /* DEPXFERCFG parameter 0 */ | |
57 | #define DWC3_DEPXFERCFG_NUM_XFER_RES(n) ((n) & 0xffff) | |
72246da4 | 58 | |
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59 | /* -------------------------------------------------------------------------- */ |
60 | ||
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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 | { | |
785c91f8 | 65 | return list_first_entry_or_null(list, struct dwc3_request, list); |
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66 | } |
67 | ||
aa3342c8 | 68 | static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) |
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69 | { |
70 | struct dwc3_ep *dep = req->dep; | |
71 | ||
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72 | req->started = true; |
73 | list_move_tail(&req->list, &dep->started_list); | |
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74 | } |
75 | ||
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76 | void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, |
77 | int status); | |
78 | ||
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79 | void dwc3_ep0_interrupt(struct dwc3 *dwc, |
80 | const struct dwc3_event_depevt *event); | |
72246da4 | 81 | void dwc3_ep0_out_start(struct dwc3 *dwc); |
33fb691b | 82 | int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); |
08f0d966 | 83 | int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); |
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84 | int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, |
85 | gfp_t gfp_flags); | |
7a608559 | 86 | int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol); |
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87 | |
88 | /** | |
89 | * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW | |
90 | * @dwc: DesignWare USB3 Pointer | |
91 | * @number: DWC endpoint number | |
92 | * | |
93 | * Caller should take care of locking | |
94 | */ | |
2eb88016 | 95 | static inline u32 dwc3_gadget_ep_get_transfer_index(struct dwc3_ep *dep) |
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96 | { |
97 | u32 res_id; | |
98 | ||
2eb88016 | 99 | res_id = dwc3_readl(dep->regs, DWC3_DEPCMD); |
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100 | |
101 | return DWC3_DEPCMD_GET_RSC_IDX(res_id); | |
102 | } | |
103 | ||
72246da4 | 104 | #endif /* __DRIVERS_USB_DWC3_GADGET_H */ |