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_BULKOUT_NUM 4
23 #define RTL_USB_MAX_TX_URBS_NUM 8
24
25 enum rtl_txq {
26 /* These definitions shall be consistent with value
27 * returned by skb_get_queue_mapping
28 *------------------------------------*/
29 RTL_TXQ_BK,
30 RTL_TXQ_BE,
31 RTL_TXQ_VI,
32 RTL_TXQ_VO,
33 /*------------------------------------*/
34 RTL_TXQ_BCN,
35 RTL_TXQ_MGT,
36 RTL_TXQ_HI,
37
38 /* Must be last */
39 __RTL_TXQ_NUM,
40 };
41
42 struct rtl_ep_map {
43 u32 ep_mapping[__RTL_TXQ_NUM];
44 };
45
46 struct _trx_info {
47 struct rtl_usb *rtlusb;
48 u32 ep_num;
49 };
50
_rtl_install_trx_info(struct rtl_usb * rtlusb,struct sk_buff * skb,u32 ep_num)51 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
52 struct sk_buff *skb,
53 u32 ep_num)
54 {
55 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
56
57 info->rate_driver_data[0] = rtlusb;
58 info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
59 }
60
61 /* Add suspend/resume later */
62 enum rtl_usb_state {
63 USB_STATE_STOP = 0,
64 USB_STATE_START = 1,
65 };
66
67 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
68 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
69 #define SET_USB_STOP(rtlusb_ptr) \
70 do { \
71 (rtlusb_ptr)->state = USB_STATE_STOP; \
72 } while (0)
73
74 #define SET_USB_START(rtlusb_ptr) \
75 do { \
76 (rtlusb_ptr)->state = USB_STATE_START; \
77 } while (0)
78
79 struct rtl_usb {
80 struct usb_device *udev;
81 struct usb_interface *intf;
82 enum rtl_usb_state state;
83
84 /* Bcn control register setting */
85 u32 reg_bcn_ctrl_val;
86 /* for 88/92cu card disable */
87 u8 disablehwsm;
88 /*QOS & EDCA */
89 enum acm_method acm_method;
90 /* irq . HIMR,HIMR_EX */
91 u32 irq_mask[2];
92 bool irq_enabled;
93
94 u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
95
96 /* Tx */
97 u8 out_ep_nums ;
98 u8 out_eps[RTL_USB_MAX_BULKOUT_NUM];
99 u8 out_queue_sel;
100 struct rtl_ep_map ep_map;
101
102 u32 max_bulk_out_size;
103 u32 tx_submitted_urbs;
104 struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
105
106 struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
107 struct usb_anchor tx_submitted;
108
109 struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
110 struct sk_buff_head *);
111 int (*usb_tx_post_hdl)(struct ieee80211_hw *,
112 struct urb *, struct sk_buff *);
113 void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
114
115 /* Rx */
116 u8 in_ep_nums;
117 u32 in_ep; /* Bulk IN endpoint number */
118 u32 rx_max_size; /* Bulk IN max buffer size */
119 u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
120 struct usb_anchor rx_submitted;
121 struct usb_anchor rx_cleanup_urbs;
122 struct tasklet_struct rx_work_tasklet;
123 struct sk_buff_head rx_queue;
124 void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
125 struct sk_buff_head *);
126 void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
127 };
128
129 struct rtl_usb_priv {
130 struct bt_coexist_info bt_coexist;
131 struct rtl_usb dev;
132 };
133
134 #define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
135 #define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
136
137 int rtl_usb_probe(struct usb_interface *intf,
138 const struct usb_device_id *id,
139 const struct rtl_hal_cfg *rtl92cu_hal_cfg);
140 void rtl_usb_disconnect(struct usb_interface *intf);
141 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
142 int rtl_usb_resume(struct usb_interface *pusb_intf);
143
144 #endif
145