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_RX_DESC_SIZE 24
35
36 #define RTL_USB_DEVICE(vend, prod, cfg) \
37 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
38 .idVendor = (vend), \
39 .idProduct = (prod), \
40 .driver_info = (kernel_ulong_t)&(cfg)
41
42 #define USB_HIGH_SPEED_BULK_SIZE 512
43 #define USB_FULL_SPEED_BULK_SIZE 64
44
45
46 #define RTL_USB_MAX_TXQ_NUM 4 /* max tx queue */
47 #define RTL_USB_MAX_EP_NUM 6 /* max ep number */
48 #define RTL_USB_MAX_TX_URBS_NUM 8
49
50 enum rtl_txq {
51 /* These definitions shall be consistent with value
52 * returned by skb_get_queue_mapping
53 *------------------------------------*/
54 RTL_TXQ_BK,
55 RTL_TXQ_BE,
56 RTL_TXQ_VI,
57 RTL_TXQ_VO,
58 /*------------------------------------*/
59 RTL_TXQ_BCN,
60 RTL_TXQ_MGT,
61 RTL_TXQ_HI,
62
63 /* Must be last */
64 __RTL_TXQ_NUM,
65 };
66
67 struct rtl_ep_map {
68 u32 ep_mapping[__RTL_TXQ_NUM];
69 };
70
71 struct _trx_info {
72 struct rtl_usb *rtlusb;
73 u32 ep_num;
74 };
75
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)76 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
77 struct sk_buff *skb,
78 u32 ep_num)
79 {
80 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
81 info->rate_driver_data[0] = rtlusb;
82 info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
83 }
84
85
86 /* Add suspend/resume later */
87 enum rtl_usb_state {
88 USB_STATE_STOP = 0,
89 USB_STATE_START = 1,
90 };
91
92 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
93 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
94 #define SET_USB_STOP(rtlusb_ptr) \
95 do { \
96 (rtlusb_ptr)->state = USB_STATE_STOP; \
97 } while (0)
98
99 #define SET_USB_START(rtlusb_ptr) \
100 do { \
101 (rtlusb_ptr)->state = USB_STATE_START; \
102 } while (0)
103
104 struct rtl_usb {
105 struct usb_device *udev;
106 struct usb_interface *intf;
107 enum rtl_usb_state state;
108
109 /* Bcn control register setting */
110 u32 reg_bcn_ctrl_val;
111 /* for 88/92cu card disable */
112 u8 disableHWSM;
113 /*QOS & EDCA */
114 enum acm_method acm_method;
115 /* irq . HIMR,HIMR_EX */
116 u32 irq_mask[2];
117 bool irq_enabled;
118
119 u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
120
121 /* Tx */
122 u8 out_ep_nums ;
123 u8 out_queue_sel;
124 struct rtl_ep_map ep_map;
125
126 u32 max_bulk_out_size;
127 u32 tx_submitted_urbs;
128 struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
129
130 struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
131 struct usb_anchor tx_submitted;
132
133 struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
134 struct sk_buff_head *);
135 int (*usb_tx_post_hdl)(struct ieee80211_hw *,
136 struct urb *, struct sk_buff *);
137 void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
138
139 /* Rx */
140 u8 in_ep_nums ;
141 u32 in_ep; /* Bulk IN endpoint number */
142 u32 rx_max_size; /* Bulk IN max buffer size */
143 u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
144 struct usb_anchor rx_submitted;
145 void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
146 struct sk_buff_head *);
147 void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
148 };
149
150 struct rtl_usb_priv {
151 struct rtl_usb dev;
152 struct rtl_led_ctl ledctl;
153 };
154
155 #define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
156 #define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
157
158
159
160 int __devinit rtl_usb_probe(struct usb_interface *intf,
161 const struct usb_device_id *id);
162 void rtl_usb_disconnect(struct usb_interface *intf);
163 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
164 int rtl_usb_resume(struct usb_interface *pusb_intf);
165
166 #endif
167