drivers/net/wireless/libertas_tf/if_usb.h

   1 /*
   2  *  Copyright (C) 2008, cozybit Inc.
   3  *  Copyright (C) 2003-2006, Marvell International Ltd.
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or (at
   8  *  your option) any later version.
   9  */
  10 #include <linux/wait.h>
  11 #include <linux/timer.h>
  12
  13 struct lbtf_private;
  14
  15 /**
  16   * This file contains definition for USB interface.
  17   */
  18 #define CMD_TYPE_REQUEST                0xF00DFACE
  19 #define CMD_TYPE_DATA                   0xBEADC0DE
  20 #define CMD_TYPE_INDICATION             0xBEEFFACE
  21
  22 #define BOOT_CMD_FW_BY_USB              0x01
  23 #define BOOT_CMD_FW_IN_EEPROM           0x02
  24 #define BOOT_CMD_UPDATE_BOOT2           0x03
  25 #define BOOT_CMD_UPDATE_FW              0x04
  26 #define BOOT_CMD_MAGIC_NUMBER           0x4C56524D   /* LVRM */
  27
  28 struct bootcmd {
  29         __le32  magic;
  30         uint8_t cmd;
  31         uint8_t pad[11];
  32 };
  33
  34 #define BOOT_CMD_RESP_OK                0x0001
  35 #define BOOT_CMD_RESP_FAIL              0x0000
  36
  37 struct bootcmdresp {
  38         __le32  magic;
  39         uint8_t cmd;
  40         uint8_t result;
  41         uint8_t pad[2];
  42 };
  43
  44 /** USB card description structure*/
  45 struct if_usb_card {
  46         struct usb_device *udev;
  47         struct urb *rx_urb, *tx_urb, *cmd_urb;
  48         struct lbtf_private *priv;
  49
  50         struct sk_buff *rx_skb;
  51
  52         uint8_t ep_in;
  53         uint8_t ep_out;
  54
  55         int8_t bootcmdresp;
  56
  57         int ep_in_size;
  58
  59         void *ep_out_buf;
  60         int ep_out_size;
  61
  62         const struct firmware *fw;
  63         struct timer_list fw_timeout;
  64         wait_queue_head_t fw_wq;
  65         uint32_t fwseqnum;
  66         uint32_t totalbytes;
  67         uint32_t fwlastblksent;
  68         uint8_t CRC_OK;
  69         uint8_t fwdnldover;
  70         uint8_t fwfinalblk;
  71
  72         __le16 boot2_version;
  73 };
  74
  75 /** fwheader */
  76 struct fwheader {
  77         __le32 dnldcmd;
  78         __le32 baseaddr;
  79         __le32 datalength;
  80         __le32 CRC;
  81 };
  82
  83 #define FW_MAX_DATA_BLK_SIZE    600
  84 /** FWData */
  85 struct fwdata {
  86         struct fwheader hdr;
  87         __le32 seqnum;
  88         uint8_t data[0];
  89 };
  90
  91 /** fwsyncheader */
  92 struct fwsyncheader {
  93         __le32 cmd;
  94         __le32 seqnum;
  95 };
  96
  97 #define FW_HAS_DATA_TO_RECV             0x00000001
  98 #define FW_HAS_LAST_BLOCK               0x00000004