gdm_usb.h

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/*
 * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */

#ifndef __GDM_USB_H__
#define __GDM_USB_H__

#include <linux/types.h>
#include <linux/usb.h>
#include <linux/list.h>

#define B_DIFF_DL_DRV       (1 << 4)
#define B_DOWNLOAD      (1 << 5)
#define MAX_NR_SDU_BUF      64

struct usb_tx {
    struct list_head    list;
#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
    struct list_head    p_list;
#endif
    struct tx_cxt       *tx_cxt;

    struct urb      *urb;
    u8          *buf;

    void (*callback)(void *cb_data);
    void *cb_data;
};

struct tx_cxt {
    struct list_head    free_list;
    struct list_head    sdu_list;
    struct list_head    hci_list;
#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
    struct list_head    pending_list;
#endif

    spinlock_t      lock;
};

struct usb_rx {
    struct list_head    list;
    struct rx_cxt       *rx_cxt;

    struct urb      *urb;
    u8          *buf;

    void (*callback)(void *cb_data, void *data, int len);
    void *cb_data;
};

struct rx_cxt {
    struct list_head    free_list;
    struct list_head    used_list;
    spinlock_t      lock;
};

struct usbwm_dev {
    struct usb_device   *usbdev;
#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
    struct work_struct  pm_ws;

    struct usb_interface    *intf;
#endif
#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
    int bw_switch;
    struct list_head    list;
#endif

    struct tx_cxt       tx;
    struct rx_cxt       rx;

    int padding;
};

#endif /* __GDM_USB_H__ */