drivers/staging/gdm72xx/gdm_usb.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_USB_H__
  15 #define __GDM_USB_H__
  16
  17 #include <linux/types.h>
  18 #include <linux/usb.h>
  19 #include <linux/list.h>
  20
  21 #define B_DIFF_DL_DRV           (1<<4)
  22 #define B_DOWNLOAD                      (1 << 5)
  23 #define MAX_NR_SDU_BUF          64
  24
  25 struct usb_tx {
  26         struct list_head        list;
  27 #if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
  28         struct list_head        p_list;
  29 #endif
  30         struct tx_cxt           *tx_cxt;
  31
  32         struct urb      *urb;
  33         u8                      *buf;
  34
  35         void (*callback)(void *cb_data);
  36         void *cb_data;
  37 };
  38
  39 struct tx_cxt {
  40         struct list_head        free_list;
  41         struct list_head        sdu_list;
  42         struct list_head        hci_list;
  43 #if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
  44         struct list_head        pending_list;
  45 #endif
  46
  47         spinlock_t                      lock;
  48 };
  49
  50 struct usb_rx {
  51         struct list_head        list;
  52         struct rx_cxt           *rx_cxt;
  53
  54         struct urb      *urb;
  55         u8                      *buf;
  56
  57         void (*callback)(void *cb_data, void *data, int len);
  58         void *cb_data;
  59 };
  60
  61 struct rx_cxt {
  62         struct list_head        free_list;
  63         struct list_head        used_list;
  64         spinlock_t                      lock;
  65 };
  66
  67 struct usbwm_dev {
  68         struct usb_device       *usbdev;
  69 #ifdef CONFIG_WIMAX_GDM72XX_USB_PM
  70         struct work_struct      pm_ws;
  71
  72         struct usb_interface    *intf;
  73 #endif
  74 #ifdef CONFIG_WIMAX_GDM72XX_K_MODE
  75         int bw_switch;
  76         struct list_head        list;
  77 #endif
  78
  79         struct tx_cxt   tx;
  80         struct rx_cxt   rx;
  81
  82         int padding;
  83 };
  84
  85 #endif /* __GDM_USB_H__ */