linux/drivers/net/wireless/libertas_tf/if_usb.h
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   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
  13struct 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
  28struct 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
  37struct bootcmdresp {
  38        __le32  magic;
  39        uint8_t cmd;
  40        uint8_t result;
  41        uint8_t pad[2];
  42};
  43
  44/** USB card description structure*/
  45struct 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 */
  76struct 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 */
  85struct fwdata {
  86        struct fwheader hdr;
  87        __le32 seqnum;
  88        uint8_t data[0];
  89};
  90
  91/** fwsyncheader */
  92struct fwsyncheader {
  93        __le32 cmd;
  94        __le32 seqnum;
  95};
  96
  97#define FW_HAS_DATA_TO_RECV             0x00000001
  98#define FW_HAS_LAST_BLOCK               0x00000004
  99