drivers/staging/gdm72xx/gdm_sdio.h

   1 /*
   2  * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __GDM_SDIO_H__
  15 #define __GDM_SDIO_H__
  16
  17 #include <linux/types.h>
  18 #include <linux/time.h>
  19
  20 #define MAX_NR_SDU_BUF  64
  21
  22 struct sdio_tx {
  23         struct list_head        list;
  24         struct tx_cxt           *tx_cxt;
  25
  26         u8      *buf;
  27         int     len;
  28
  29         void (*callback)(void *cb_data);
  30         void *cb_data;
  31 };
  32
  33 struct tx_cxt {
  34         struct list_head        free_list;
  35         struct list_head        sdu_list;
  36         struct list_head        hci_list;
  37         struct timeval          sdu_stamp;
  38
  39         u8      *sdu_buf;
  40
  41         spinlock_t                      lock;
  42         int     can_send;
  43         int stop_sdu_tx;
  44 };
  45
  46 struct sdio_rx {
  47         struct list_head        list;
  48         struct rx_cxt           *rx_cxt;
  49
  50         void (*callback)(void *cb_data, void *data, int len);
  51         void *cb_data;
  52 };
  53
  54 struct rx_cxt {
  55         struct list_head        free_list;
  56         struct list_head        req_list;
  57
  58         u8              *rx_buf;
  59
  60         spinlock_t                      lock;
  61 };
  62
  63 struct sdiowm_dev {
  64         struct sdio_func        *func;
  65
  66         struct tx_cxt   tx;
  67         struct rx_cxt   rx;
  68
  69         struct work_struct      ws;
  70 };
  71
  72 #endif /* __GDM_SDIO_H__ */