1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #ifndef __RTL_USB_H__
5 #define __RTL_USB_H__
6
7 #include <linux/skbuff.h>
8
9 #define RTL_RX_DESC_SIZE 24
10
11 #define RTL_USB_DEVICE(vend, prod, cfg) \
12 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
13 .idVendor = (vend), \
14 .idProduct = (prod), \
15 .driver_info = (kernel_ulong_t)&(cfg)
16
17 #define USB_HIGH_SPEED_BULK_SIZE 512
18 #define USB_FULL_SPEED_BULK_SIZE 64
19
20 #define RTL_USB_MAX_TXQ_NUM 4 /* max tx queue */
21 #define RTL_USB_MAX_EP_NUM 6 /* max ep number */
22 #define RTL_USB_MAX_TX_URBS_NUM 8
23
24 enum rtl_txq {
25 /* These definitions shall be consistent with value
26 * returned by skb_get_queue_mapping
27 *------------------------------------*/
28 RTL_TXQ_BK,
29 RTL_TXQ_BE,
30 RTL_TXQ_VI,
31 RTL_TXQ_VO,
32 /*------------------------------------*/
33 RTL_TXQ_BCN,
34 RTL_TXQ_MGT,
35 RTL_TXQ_HI,
36
37 /* Must be last */
38 __RTL_TXQ_NUM,
39 };
40
41 struct rtl_ep_map {
42 u32 ep_mapping[__RTL_TXQ_NUM];
43 };
44
45 struct _trx_info {
46 struct rtl_usb *rtlusb;
47 u32 ep_num;
48 };
49
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)50 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
51 struct sk_buff *skb,
52 u32 ep_num)
53 {
54 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
55
56 info->rate_driver_data[0] = rtlusb;
57 info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
58 }
59
60 /* Add suspend/resume later */
61 enum rtl_usb_state {
62 USB_STATE_STOP = 0,
63 USB_STATE_START = 1,
64 };
65
66 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
67 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
68 #define SET_USB_STOP(rtlusb_ptr) \
69 do { \
70 (rtlusb_ptr)->state = USB_STATE_STOP; \
71 } while (0)
72
73 #define SET_USB_START(rtlusb_ptr) \
74 do { \
75 (rtlusb_ptr)->state = USB_STATE_START; \
76 } while (0)
77
78 struct rtl_usb {
79 struct usb_device *udev;
80 struct usb_interface *intf;
81 enum rtl_usb_state state;
82
83 /* Bcn control register setting */
84 u32 reg_bcn_ctrl_val;
85 /* for 88/92cu card disable */
86 u8 disablehwsm;
87 /*QOS & EDCA */
88 enum acm_method acm_method;
89 /* irq . HIMR,HIMR_EX */
90 u32 irq_mask[2];
91 bool irq_enabled;
92
93 u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
94
95 /* Tx */
96 u8 out_ep_nums ;
97 u8 out_queue_sel;
98 struct rtl_ep_map ep_map;
99
100 u32 max_bulk_out_size;
101 u32 tx_submitted_urbs;
102 struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
103
104 struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
105 struct usb_anchor tx_submitted;
106
107 struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
108 struct sk_buff_head *);
109 int (*usb_tx_post_hdl)(struct ieee80211_hw *,
110 struct urb *, struct sk_buff *);
111 void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
112
113 /* Rx */
114 u8 in_ep_nums;
115 u32 in_ep; /* Bulk IN endpoint number */
116 u32 rx_max_size; /* Bulk IN max buffer size */
117 u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
118 struct usb_anchor rx_submitted;
119 struct usb_anchor rx_cleanup_urbs;
120 struct tasklet_struct rx_work_tasklet;
121 struct sk_buff_head rx_queue;
122 void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
123 struct sk_buff_head *);
124 void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
125 };
126
127 struct rtl_usb_priv {
128 struct bt_coexist_info bt_coexist;
129 struct rtl_usb dev;
130 };
131
132 #define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
133 #define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
134
135 int rtl_usb_probe(struct usb_interface *intf,
136 const struct usb_device_id *id,
137 struct rtl_hal_cfg *rtl92cu_hal_cfg);
138 void rtl_usb_disconnect(struct usb_interface *intf);
139 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
140 int rtl_usb_resume(struct usb_interface *pusb_intf);
141
142 #endif
143