drivers/net/wireless/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  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  *****************************************************************************/
  27
  28 #ifndef __RTL_USB_H__
  29 #define __RTL_USB_H__
  30
  31 #include <linux/skbuff.h>
  32
  33 #define RTL_RX_DESC_SIZE                24
  34
  35 #define RTL_USB_DEVICE(vend, prod, cfg) \
  36         .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
  37         .idVendor = (vend), \
  38         .idProduct = (prod), \
  39         .driver_info = (kernel_ulong_t)&(cfg)
  40
  41 #define USB_HIGH_SPEED_BULK_SIZE        512
  42 #define USB_FULL_SPEED_BULK_SIZE        64
  43
  44
  45 #define RTL_USB_MAX_TXQ_NUM             4               /* max tx queue */
  46 #define RTL_USB_MAX_EP_NUM              6               /* max ep number */
  47 #define RTL_USB_MAX_TX_URBS_NUM         8
  48
  49 enum rtl_txq {
  50         /* These definitions shall be consistent with value
  51          * returned by skb_get_queue_mapping
  52          *------------------------------------*/
  53         RTL_TXQ_BK,
  54         RTL_TXQ_BE,
  55         RTL_TXQ_VI,
  56         RTL_TXQ_VO,
  57         /*------------------------------------*/
  58         RTL_TXQ_BCN,
  59         RTL_TXQ_MGT,
  60         RTL_TXQ_HI,
  61
  62         /* Must be last */
  63         __RTL_TXQ_NUM,
  64 };
  65
  66 struct rtl_ep_map {
  67         u32 ep_mapping[__RTL_TXQ_NUM];
  68 };
  69
  70 struct _trx_info {
  71         struct rtl_usb *rtlusb;
  72         u32 ep_num;
  73 };
  74
  75 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
  76                                          struct sk_buff *skb,
  77                                          u32 ep_num)
  78 {
  79         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  80         info->rate_driver_data[0] = rtlusb;
  81         info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
  82 }
  83
  84
  85 /*  Add suspend/resume later */
  86 enum rtl_usb_state {
  87         USB_STATE_STOP  = 0,
  88         USB_STATE_START = 1,
  89 };
  90
  91 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
  92 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
  93 #define SET_USB_STOP(rtlusb_ptr) \
  94         do {                                                    \
  95                 (rtlusb_ptr)->state = USB_STATE_STOP;           \
  96         } while (0)
  97
  98 #define SET_USB_START(rtlusb_ptr)                               \
  99         do { \
 100                 (rtlusb_ptr)->state = USB_STATE_START;          \
 101         } while (0)
 102
 103 struct rtl_usb {
 104         struct usb_device *udev;
 105         struct usb_interface *intf;
 106         enum rtl_usb_state state;
 107
 108         /* Bcn control register setting */
 109         u32 reg_bcn_ctrl_val;
 110         /* for 88/92cu card disable */
 111         u8      disableHWSM;
 112         /*QOS & EDCA */
 113         enum acm_method acm_method;
 114         /* irq  . HIMR,HIMR_EX */
 115         u32 irq_mask[2];
 116         bool irq_enabled;
 117
 118         u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
 119
 120         /* Tx */
 121         u8 out_ep_nums ;
 122         u8 out_queue_sel;
 123         struct rtl_ep_map ep_map;
 124
 125         u32 max_bulk_out_size;
 126         u32 tx_submitted_urbs;
 127         struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
 128
 129         struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
 130         struct usb_anchor tx_submitted;
 131
 132         struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
 133                                                 struct sk_buff_head *);
 134         int (*usb_tx_post_hdl)(struct ieee80211_hw *,
 135                                struct urb *, struct sk_buff *);
 136         void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
 137
 138         /* Rx */
 139         u8 in_ep_nums;
 140         u32 in_ep;              /* Bulk IN endpoint number */
 141         u32 rx_max_size;        /* Bulk IN max buffer size */
 142         u32 rx_urb_num;         /* How many Bulk INs are submitted to host. */
 143         struct usb_anchor       rx_submitted;
 144         struct usb_anchor       rx_cleanup_urbs;
 145         struct tasklet_struct   rx_work_tasklet;
 146         struct sk_buff_head     rx_queue;
 147         void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
 148                                      struct sk_buff_head *);
 149         void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
 150 };
 151
 152 struct rtl_usb_priv {
 153         struct rtl_usb dev;
 154         struct rtl_led_ctl ledctl;
 155 };
 156
 157 #define rtl_usbpriv(hw)  (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
 158 #define rtl_usbdev(usbpriv)     (&((usbpriv)->dev))
 159
 160
 161
 162 int rtl_usb_probe(struct usb_interface *intf,
 163                   const struct usb_device_id *id,
 164                   struct rtl_hal_cfg *rtl92cu_hal_cfg);
 165 void rtl_usb_disconnect(struct usb_interface *intf);
 166 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
 167 int rtl_usb_resume(struct usb_interface *pusb_intf);
 168
 169 #endif