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
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)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
166