1/*
 2 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2
 6 * as published by the Free Software Foundation
 7 *
 8 * This program is distributed in the hope that it will be useful,
 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#ifndef __MT7601U_USB_H
15#define __MT7601U_USB_H
16
17#include "mt7601u.h"
18
19#define MT7601U_FIRMWARE	"mt7601u.bin"
20
21#define MT_VEND_REQ_MAX_RETRY	10
22#define MT_VEND_REQ_TOUT_MS	300
23
24#define MT_VEND_DEV_MODE_RESET	1
25
26#define MT_VEND_BUF		sizeof(__le32)
27
28enum mt_vendor_req {
29	MT_VEND_DEV_MODE = 1,
30	MT_VEND_WRITE = 2,
31	MT_VEND_MULTI_READ = 7,
32	MT_VEND_WRITE_FCE = 0x42,
33};
34
35enum mt_usb_ep_in {
36	MT_EP_IN_PKT_RX,
37	MT_EP_IN_CMD_RESP,
38	__MT_EP_IN_MAX,
39};
40
41enum mt_usb_ep_out {
42	MT_EP_OUT_INBAND_CMD,
43	MT_EP_OUT_AC_BK,
44	MT_EP_OUT_AC_BE,
45	MT_EP_OUT_AC_VI,
46	MT_EP_OUT_AC_VO,
47	MT_EP_OUT_HCCA,
48	__MT_EP_OUT_MAX,
49};
50
51static inline struct usb_device *mt7601u_to_usb_dev(struct mt7601u_dev *mt7601u)
52{
53	return interface_to_usbdev(to_usb_interface(mt7601u->dev));
54}
55
56static inline bool mt7601u_urb_has_error(struct urb *urb)
57{
58	return urb->status &&
59		urb->status != -ENOENT &&
60		urb->status != -ECONNRESET &&
61		urb->status != -ESHUTDOWN;
62}
63
64bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
65			   struct mt7601u_dma_buf *buf);
66void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
67int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
68			   struct mt7601u_dma_buf *buf, gfp_t gfp,
69			   usb_complete_t complete_fn, void *context);
70void mt7601u_complete_urb(struct urb *urb);
71
72int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
73			   const u8 direction, const u16 val, const u16 offset,
74			   void *buf, const size_t buflen);
75void mt7601u_vendor_reset(struct mt7601u_dev *dev);
76int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
77			     const u16 offset, const u32 val);
78
79#endif