1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2019-2020  Realtek Corporation
3  */
4 
5 #ifndef __RTW89_COEX_H__
6 #define __RTW89_COEX_H__
7 
8 #include "core.h"
9 
10 enum btc_mode {
11 	BTC_MODE_NORMAL,
12 	BTC_MODE_WL,
13 	BTC_MODE_BT,
14 	BTC_MODE_WLOFF,
15 	BTC_MODE_MAX
16 };
17 
18 enum btc_wl_rfk_type {
19 	BTC_WRFKT_IQK = 0,
20 	BTC_WRFKT_LCK = 1,
21 	BTC_WRFKT_DPK = 2,
22 	BTC_WRFKT_TXGAPK = 3,
23 	BTC_WRFKT_DACK = 4,
24 	BTC_WRFKT_RXDCK = 5,
25 	BTC_WRFKT_TSSI = 6,
26 };
27 
28 #define NM_EXEC false
29 #define FC_EXEC true
30 
31 #define RTW89_COEX_ACT1_WORK_PERIOD	round_jiffies_relative(HZ * 4)
32 #define RTW89_COEX_BT_DEVINFO_WORK_PERIOD	round_jiffies_relative(HZ * 16)
33 #define RTW89_COEX_RFK_CHK_WORK_PERIOD	msecs_to_jiffies(300)
34 #define BTC_RFK_PATH_MAP GENMASK(3, 0)
35 #define BTC_RFK_PHY_MAP GENMASK(5, 4)
36 #define BTC_RFK_BAND_MAP GENMASK(7, 6)
37 
38 enum btc_wl_rfk_state {
39 	BTC_WRFK_STOP = 0,
40 	BTC_WRFK_START = 1,
41 	BTC_WRFK_ONESHOT_START = 2,
42 	BTC_WRFK_ONESHOT_STOP = 3,
43 };
44 
45 enum btc_pri {
46 	BTC_PRI_MASK_RX_RESP = 0,
47 	BTC_PRI_MASK_TX_RESP,
48 	BTC_PRI_MASK_BEACON,
49 	BTC_PRI_MASK_RX_CCK,
50 	BTC_PRI_MASK_TX_MNGQ,
51 	BTC_PRI_MASK_MAX,
52 };
53 
54 enum btc_bt_trs {
55 	BTC_BT_SS_GROUP = 0x0,
56 	BTC_BT_TX_GROUP = 0x2,
57 	BTC_BT_RX_GROUP = 0x3,
58 	BTC_BT_MAX_GROUP,
59 };
60 
61 enum btc_rssi_st {
62 	BTC_RSSI_ST_LOW = 0x0,
63 	BTC_RSSI_ST_HIGH,
64 	BTC_RSSI_ST_STAY_LOW,
65 	BTC_RSSI_ST_STAY_HIGH,
66 	BTC_RSSI_ST_MAX
67 };
68 
69 #define	BTC_RSSI_HIGH(_rssi_) \
70 	({typeof(_rssi_) __rssi = (_rssi_); \
71 	  ((__rssi == BTC_RSSI_ST_HIGH || \
72 	    __rssi == BTC_RSSI_ST_STAY_HIGH) ? 1 : 0); })
73 
74 #define	BTC_RSSI_LOW(_rssi_) \
75 	({typeof(_rssi_) __rssi = (_rssi_); \
76 	  ((__rssi == BTC_RSSI_ST_LOW || \
77 	    __rssi == BTC_RSSI_ST_STAY_LOW) ? 1 : 0); })
78 
79 #define BTC_RSSI_CHANGE(_rssi_) \
80 	({typeof(_rssi_) __rssi = (_rssi_); \
81 	  ((__rssi == BTC_RSSI_ST_LOW || \
82 	    __rssi == BTC_RSSI_ST_HIGH) ? 1 : 0); })
83 
84 enum btc_ant {
85 	BTC_ANT_SHARED = 0,
86 	BTC_ANT_DEDICATED,
87 	BTC_ANTTYPE_MAX
88 };
89 
90 enum btc_bt_btg {
91 	BTC_BT_ALONE = 0,
92 	BTC_BT_BTG
93 };
94 
95 enum btc_switch {
96 	BTC_SWITCH_INTERNAL = 0,
97 	BTC_SWITCH_EXTERNAL
98 };
99 
100 enum btc_pkt_type {
101 	PACKET_DHCP,
102 	PACKET_ARP,
103 	PACKET_EAPOL,
104 	PACKET_EAPOL_END,
105 	PACKET_ICMP,
106 	PACKET_MAX
107 };
108 
109 enum btc_bt_mailbox_id {
110 	BTC_BTINFO_REPLY = 0x23,
111 	BTC_BTINFO_AUTO = 0x27
112 };
113 
114 enum btc_role_state {
115 	BTC_ROLE_START,
116 	BTC_ROLE_STOP,
117 	BTC_ROLE_CHG_TYPE,
118 	BTC_ROLE_MSTS_STA_CONN_START,
119 	BTC_ROLE_MSTS_STA_CONN_END,
120 	BTC_ROLE_MSTS_STA_DIS_CONN,
121 	BTC_ROLE_MSTS_AP_START,
122 	BTC_ROLE_MSTS_AP_STOP,
123 	BTC_ROLE_STATE_UNKNOWN
124 };
125 
126 enum btc_rfctrl {
127 	BTC_RFCTRL_WL_OFF,
128 	BTC_RFCTRL_WL_ON,
129 	BTC_RFCTRL_FW_CTRL,
130 	BTC_RFCTRL_MAX
131 };
132 
133 enum btc_lps_state {
134 	BTC_LPS_OFF = 0,
135 	BTC_LPS_RF_OFF = 1,
136 	BTC_LPS_RF_ON = 2
137 };
138 
139 void rtw89_btc_ntfy_poweron(struct rtw89_dev *rtwdev);
140 void rtw89_btc_ntfy_poweroff(struct rtw89_dev *rtwdev);
141 void rtw89_btc_ntfy_init(struct rtw89_dev *rtwdev, u8 mode);
142 void rtw89_btc_ntfy_scan_start(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band);
143 void rtw89_btc_ntfy_scan_finish(struct rtw89_dev *rtwdev, u8 phy_idx);
144 void rtw89_btc_ntfy_switch_band(struct rtw89_dev *rtwdev, u8 phy_idx, u8 band);
145 void rtw89_btc_ntfy_specific_packet(struct rtw89_dev *rtwdev,
146 				    enum btc_pkt_type pkt_type);
147 void rtw89_btc_ntfy_eapol_packet_work(struct work_struct *work);
148 void rtw89_btc_ntfy_arp_packet_work(struct work_struct *work);
149 void rtw89_btc_ntfy_dhcp_packet_work(struct work_struct *work);
150 void rtw89_btc_ntfy_icmp_packet_work(struct work_struct *work);
151 void rtw89_btc_ntfy_role_info(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
152 			      struct rtw89_sta *rtwsta, enum btc_role_state state);
153 void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_state);
154 void rtw89_btc_ntfy_wl_rfk(struct rtw89_dev *rtwdev, u8 phy_map,
155 			   enum btc_wl_rfk_type type,
156 			   enum btc_wl_rfk_state state);
157 void rtw89_btc_ntfy_wl_sta(struct rtw89_dev *rtwdev);
158 void rtw89_btc_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,
159 			  u32 len, u8 class, u8 func);
160 void rtw89_btc_dump_info(struct rtw89_dev *rtwdev, struct seq_file *m);
161 void rtw89_coex_act1_work(struct work_struct *work);
162 void rtw89_coex_bt_devinfo_work(struct work_struct *work);
163 void rtw89_coex_rfk_chk_work(struct work_struct *work);
164 void rtw89_coex_power_on(struct rtw89_dev *rtwdev);
165 void rtw89_btc_set_policy(struct rtw89_dev *rtwdev, u16 policy_type);
166 void rtw89_btc_set_policy_v1(struct rtw89_dev *rtwdev, u16 policy_type);
167 void rtw89_coex_recognize_ver(struct rtw89_dev *rtwdev);
168 
169 static inline u8 rtw89_btc_phymap(struct rtw89_dev *rtwdev,
170 				  enum rtw89_phy_idx phy_idx,
171 				  enum rtw89_rf_path_bit paths)
172 {
173 	const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
174 	u8 phy_map;
175 
176 	phy_map = FIELD_PREP(BTC_RFK_PATH_MAP, paths) |
177 		  FIELD_PREP(BTC_RFK_PHY_MAP, BIT(phy_idx)) |
178 		  FIELD_PREP(BTC_RFK_BAND_MAP, chan->band_type);
179 
180 	return phy_map;
181 }
182 
183 static inline u8 rtw89_btc_path_phymap(struct rtw89_dev *rtwdev,
184 				       enum rtw89_phy_idx phy_idx,
185 				       enum rtw89_rf_path path)
186 {
187 	return rtw89_btc_phymap(rtwdev, phy_idx, BIT(path));
188 }
189 
190 #endif
191