1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 4 */
 5
 6#ifndef __MT7601U_USB_H
 7#define __MT7601U_USB_H
 8
 9#include "mt7601u.h"
10
11#define MT7601U_FIRMWARE	"mt7601u.bin"
12
13#define MT_VEND_REQ_MAX_RETRY	10
14#define MT_VEND_REQ_TOUT_MS	300
15
16#define MT_VEND_DEV_MODE_RESET	1
17
18#define MT_VEND_BUF		sizeof(__le32)
19
20enum mt_vendor_req {
21	MT_VEND_DEV_MODE = 1,
22	MT_VEND_WRITE = 2,
23	MT_VEND_MULTI_READ = 7,
24	MT_VEND_WRITE_FCE = 0x42,
25};
26
27enum mt_usb_ep_in {
28	MT_EP_IN_PKT_RX,
29	MT_EP_IN_CMD_RESP,
30	__MT_EP_IN_MAX,
31};
32
33enum mt_usb_ep_out {
34	MT_EP_OUT_INBAND_CMD,
35	MT_EP_OUT_AC_BK,
36	MT_EP_OUT_AC_BE,
37	MT_EP_OUT_AC_VI,
38	MT_EP_OUT_AC_VO,
39	MT_EP_OUT_HCCA,
40	__MT_EP_OUT_MAX,
41};
42
43static inline struct usb_device *mt7601u_to_usb_dev(struct mt7601u_dev *mt7601u)
44{
45	return interface_to_usbdev(to_usb_interface(mt7601u->dev));
46}
47
48static inline bool mt7601u_urb_has_error(struct urb *urb)
49{
50	return urb->status &&
51		urb->status != -ENOENT &&
52		urb->status != -ECONNRESET &&
53		urb->status != -ESHUTDOWN;
54}
55
56bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
57			   struct mt7601u_dma_buf *buf);
58void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
59int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
60			   struct mt7601u_dma_buf *buf, gfp_t gfp,
61			   usb_complete_t complete_fn, void *context);
62void mt7601u_complete_urb(struct urb *urb);
63
64int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
65			   const u8 direction, const u16 val, const u16 offset,
66			   void *buf, const size_t buflen);
67void mt7601u_vendor_reset(struct mt7601u_dev *dev);
68int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
69			     const u16 offset, const u32 val);
70
71#endif