1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2011 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/usb.h>
32 #include <linux/skbuff.h>
33
34 #define RTL_USB_DEVICE(vend, prod, cfg) \
35 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
36 .idVendor = (vend), \
37 .idProduct = (prod), \
38 .driver_info = (kernel_ulong_t)&(cfg)
39
40 #define USB_HIGH_SPEED_BULK_SIZE 512
41 #define USB_FULL_SPEED_BULK_SIZE 64
42
43
44 #define RTL_USB_MAX_TXQ_NUM 4 /* max tx queue */
45 #define RTL_USB_MAX_EP_NUM 6 /* max ep number */
46 #define RTL_USB_MAX_TX_URBS_NUM 8
47
48 enum rtl_txq {
49 /* These definitions shall be consistent with value
50 * returned by skb_get_queue_mapping
51 *------------------------------------*/
52 RTL_TXQ_BK,
53 RTL_TXQ_BE,
54 RTL_TXQ_VI,
55 RTL_TXQ_VO,
56 /*------------------------------------*/
57 RTL_TXQ_BCN,
58 RTL_TXQ_MGT,
59 RTL_TXQ_HI,
60
61 /* Must be last */
62 __RTL_TXQ_NUM,
63 };
64
65 struct rtl_ep_map {
66 u32 ep_mapping[__RTL_TXQ_NUM];
67 };
68
69 struct _trx_info {
70 struct rtl_usb *rtlusb;
71 u32 ep_num;
72 };
73
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)74 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
75 struct sk_buff *skb,
76 u32 ep_num)
77 {
78 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
79 info->rate_driver_data[0] = rtlusb;
80 info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
81 }
82
83
84 /* Add suspend/resume later */
85 enum rtl_usb_state {
86 USB_STATE_STOP = 0,
87 USB_STATE_START = 1,
88 };
89
90 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
91 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
92 #define SET_USB_STOP(rtlusb_ptr) \
93 do { \
94 (rtlusb_ptr)->state = USB_STATE_STOP; \
95 } while (0)
96
97 #define SET_USB_START(rtlusb_ptr) \
98 do { \
99 (rtlusb_ptr)->state = USB_STATE_START; \
100 } while (0)
101
102 struct rtl_usb {
103 struct usb_device *udev;
104 struct usb_interface *intf;
105 enum rtl_usb_state state;
106
107 /* Bcn control register setting */
108 u32 reg_bcn_ctrl_val;
109 /* for 88/92cu card disable */
110 u8 disableHWSM;
111 /*QOS & EDCA */
112 enum acm_method acm_method;
113 /* irq . HIMR,HIMR_EX */
114 u32 irq_mask[2];
115 bool irq_enabled;
116
117 u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
118
119 /* Tx */
120 u8 out_ep_nums ;
121 u8 out_queue_sel;
122 struct rtl_ep_map ep_map;
123
124 u32 max_bulk_out_size;
125 u32 tx_submitted_urbs;
126 struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
127
128 struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
129 struct usb_anchor tx_submitted;
130
131 struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
132 struct sk_buff_head *);
133 int (*usb_tx_post_hdl)(struct ieee80211_hw *,
134 struct urb *, struct sk_buff *);
135 void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
136
137 /* Rx */
138 u8 in_ep_nums ;
139 u32 in_ep; /* Bulk IN endpoint number */
140 u32 rx_max_size; /* Bulk IN max buffer size */
141 u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
142 struct usb_anchor rx_submitted;
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 rtl_usb dev;
150 struct rtl_led_ctl ledctl;
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 __devinit rtl_usb_probe(struct usb_interface *intf,
159 const struct usb_device_id *id);
160 void rtl_usb_disconnect(struct usb_interface *intf);
161 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
162 int rtl_usb_resume(struct usb_interface *pusb_intf);
163
164 #endif
165