LXR linux/drivers/staging/gdm72xx/gdm

   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
  22struct 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
  33struct 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
  46struct 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
  54struct 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
  63struct 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__ */
  73