usb.h

Go to the documentation of this file.

/*
 * This file contains definitions for mwifiex USB interface driver.
 *
 * Copyright (C) 2012, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#ifndef _MWIFIEX_USB_H
#define _MWIFIEX_USB_H

#include <linux/usb.h>

#define USB8797_VID     0x1286
#define USB8797_PID_1       0x2043
#define USB8797_PID_2       0x2044

#define USB8797_FW_DNLD     1
#define USB8797_FW_READY    2
#define USB8797_FW_MAX_RETRY    3

#define MWIFIEX_TX_DATA_URB 6
#define MWIFIEX_RX_DATA_URB 6
#define MWIFIEX_USB_TIMEOUT 100

#define USB8797_DEFAULT_FW_NAME "mrvl/usb8797_uapsta.bin"

#define FW_DNLD_TX_BUF_SIZE 620
#define FW_DNLD_RX_BUF_SIZE 2048
#define FW_HAS_LAST_BLOCK   0x00000004

#define FW_DATA_XMIT_SIZE \
    (sizeof(struct fw_header) + dlen + sizeof(u32))

struct urb_context {
    struct mwifiex_adapter *adapter;
    struct sk_buff *skb;
    struct urb *urb;
    u8 ep;
};

struct usb_card_rec {
    struct mwifiex_adapter *adapter;
    struct usb_device *udev;
    struct usb_interface *intf;
    u8 rx_cmd_ep;
    struct urb_context rx_cmd;
    atomic_t rx_cmd_urb_pending;
    struct urb_context rx_data_list[MWIFIEX_RX_DATA_URB];
    u8 usb_boot_state;
    u8 rx_data_ep;
    atomic_t rx_data_urb_pending;
    u8 tx_data_ep;
    u8 tx_cmd_ep;
    atomic_t tx_data_urb_pending;
    atomic_t tx_cmd_urb_pending;
    int bulk_out_maxpktsize;
    struct urb_context tx_cmd;
    int tx_data_ix;
    struct urb_context tx_data_list[MWIFIEX_TX_DATA_URB];
};

struct fw_header {
    __le32 dnld_cmd;
    __le32 base_addr;
    __le32 data_len;
    __le32 crc;
};

struct fw_sync_header {
    __le32 cmd;
    __le32 seq_num;
};

struct fw_data {
    struct fw_header fw_hdr;
    __le32 seq_num;
    u8 data[1];
};

/* This function is called after the card has woken up. */
static inline int
mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter)
{
    return 0;
}

#endif /*_MWIFIEX_USB_H */