drivers/net/wireless/realtek/rtlwifi/usb.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  *****************************************************************************/
  23
  24 #ifndef __RTL_USB_H__
  25 #define __RTL_USB_H__
  26
  27 #include <linux/skbuff.h>
  28
  29 #define RTL_RX_DESC_SIZE                24
  30
  31 #define RTL_USB_DEVICE(vend, prod, cfg) \
  32         .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
  33         .idVendor = (vend), \
  34         .idProduct = (prod), \
  35         .driver_info = (kernel_ulong_t)&(cfg)
  36
  37 #define USB_HIGH_SPEED_BULK_SIZE        512
  38 #define USB_FULL_SPEED_BULK_SIZE        64
  39
  40
  41 #define RTL_USB_MAX_TXQ_NUM             4               /* max tx queue */
  42 #define RTL_USB_MAX_EP_NUM              6               /* max ep number */
  43 #define RTL_USB_MAX_TX_URBS_NUM         8
  44
  45 enum rtl_txq {
  46         /* These definitions shall be consistent with value
  47          * returned by skb_get_queue_mapping
  48          *------------------------------------*/
  49         RTL_TXQ_BK,
  50         RTL_TXQ_BE,
  51         RTL_TXQ_VI,
  52         RTL_TXQ_VO,
  53         /*------------------------------------*/
  54         RTL_TXQ_BCN,
  55         RTL_TXQ_MGT,
  56         RTL_TXQ_HI,
  57
  58         /* Must be last */
  59         __RTL_TXQ_NUM,
  60 };
  61
  62 struct rtl_ep_map {
  63         u32 ep_mapping[__RTL_TXQ_NUM];
  64 };
  65
  66 struct _trx_info {
  67         struct rtl_usb *rtlusb;
  68         u32 ep_num;
  69 };
  70
  71 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
  72                                          struct sk_buff *skb,
  73                                          u32 ep_num)
  74 {
  75         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  76         info->rate_driver_data[0] = rtlusb;
  77         info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
  78 }
  79
  80
  81 /*  Add suspend/resume later */
  82 enum rtl_usb_state {
  83         USB_STATE_STOP  = 0,
  84         USB_STATE_START = 1,
  85 };
  86
  87 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
  88 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
  89 #define SET_USB_STOP(rtlusb_ptr) \
  90         do {                                                    \
  91                 (rtlusb_ptr)->state = USB_STATE_STOP;           \
  92         } while (0)
  93
  94 #define SET_USB_START(rtlusb_ptr)                               \
  95         do { \
  96                 (rtlusb_ptr)->state = USB_STATE_START;          \
  97         } while (0)
  98
  99 struct rtl_usb {
 100         struct usb_device *udev;
 101         struct usb_interface *intf;
 102         enum rtl_usb_state state;
 103
 104         /* Bcn control register setting */
 105         u32 reg_bcn_ctrl_val;
 106         /* for 88/92cu card disable */
 107         u8      disableHWSM;
 108         /*QOS & EDCA */
 109         enum acm_method acm_method;
 110         /* irq  . HIMR,HIMR_EX */
 111         u32 irq_mask[2];
 112         bool irq_enabled;
 113
 114         u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
 115
 116         /* Tx */
 117         u8 out_ep_nums ;
 118         u8 out_queue_sel;
 119         struct rtl_ep_map ep_map;
 120
 121         u32 max_bulk_out_size;
 122         u32 tx_submitted_urbs;
 123         struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
 124
 125         struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
 126         struct usb_anchor tx_submitted;
 127
 128         struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
 129                                                 struct sk_buff_head *);
 130         int (*usb_tx_post_hdl)(struct ieee80211_hw *,
 131                                struct urb *, struct sk_buff *);
 132         void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
 133
 134         /* Rx */
 135         u8 in_ep_nums;
 136         u32 in_ep;              /* Bulk IN endpoint number */
 137         u32 rx_max_size;        /* Bulk IN max buffer size */
 138         u32 rx_urb_num;         /* How many Bulk INs are submitted to host. */
 139         struct usb_anchor       rx_submitted;
 140         struct usb_anchor       rx_cleanup_urbs;
 141         struct tasklet_struct   rx_work_tasklet;
 142         struct sk_buff_head     rx_queue;
 143         void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
 144                                      struct sk_buff_head *);
 145         void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
 146 };
 147
 148 struct rtl_usb_priv {
 149         struct bt_coexist_info bt_coexist;
 150         struct rtl_usb dev;
 151 };
 152
 153 #define rtl_usbpriv(hw)  (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
 154 #define rtl_usbdev(usbpriv)     (&((usbpriv)->dev))
 155
 156
 157
 158 int rtl_usb_probe(struct usb_interface *intf,
 159                   const struct usb_device_id *id,
 160                   struct rtl_hal_cfg *rtl92cu_hal_cfg);
 161 void rtl_usb_disconnect(struct usb_interface *intf);
 162 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
 163 int rtl_usb_resume(struct usb_interface *pusb_intf);
 164
 165 #endif