LXR linux/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
  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
  80