gdm_sdio.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_SDIO_H__
#define __GDM_SDIO_H__

#include <linux/types.h>
#include <linux/time.h>

#define MAX_NR_SDU_BUF  64

struct sdio_tx {
    struct list_head    list;
    struct tx_cxt       *tx_cxt;

    u8  *buf;
    int len;

    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;
    struct timeval      sdu_stamp;

    u8  *sdu_buf;

    spinlock_t          lock;
    int can_send;
    int stop_sdu_tx;
};

struct sdio_rx {
    struct list_head    list;
    struct rx_cxt       *rx_cxt;

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

struct rx_cxt {
    struct list_head    free_list;
    struct list_head    req_list;

    u8      *rx_buf;

    spinlock_t          lock;
};

struct sdiowm_dev {
    struct sdio_func    *func;

    struct tx_cxt   tx;
    struct rx_cxt   rx;

    struct work_struct  ws;
};

#endif /* __GDM_SDIO_H__ */