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
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)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
170