drivers/net/wireless/mediatek/mt7601u/usb.h

   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
  28 enum 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
  35 enum mt_usb_ep_in {
  36         MT_EP_IN_PKT_RX,
  37         MT_EP_IN_CMD_RESP,
  38         __MT_EP_IN_MAX,
  39 };
  40
  41 enum 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
  51 static 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
  56 static 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
  64 bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
  65                            struct mt7601u_dma_buf *buf);
  66 void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
  67 int 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);
  70 void mt7601u_complete_urb(struct urb *urb);
  71
  72 int 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);
  75 void mt7601u_vendor_reset(struct mt7601u_dev *dev);
  76 int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
  77                              const u16 offset, const u32 val);
  78
  79 #endif