1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2012  Realtek Corporation.*/
3 
4 /*===========================================
5  * The following is for 8821A 1ANT BT Co-exist definition
6  *===========================================
7  */
8 #define	BT_INFO_8821A_1ANT_B_FTP	BIT7
9 #define	BT_INFO_8821A_1ANT_B_A2DP	BIT6
10 #define	BT_INFO_8821A_1ANT_B_HID	BIT5
11 #define	BT_INFO_8821A_1ANT_B_SCO_BUSY	BIT4
12 #define	BT_INFO_8821A_1ANT_B_ACL_BUSY	BIT3
13 #define	BT_INFO_8821A_1ANT_B_INQ_PAGE	BIT2
14 #define	BT_INFO_8821A_1ANT_B_SCO_ESCO	BIT1
15 #define	BT_INFO_8821A_1ANT_B_CONNECTION	BIT0
16 
17 #define	BT_INFO_8821A_1ANT_A2DP_BASIC_RATE(_BT_INFO_EXT_)	\
18 		(((_BT_INFO_EXT_&BIT0)) ? true : false)
19 
20 #define	BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT		2
21 
22 enum _BT_INFO_SRC_8821A_1ANT {
23 	BT_INFO_SRC_8821A_1ANT_WIFI_FW			= 0x0,
24 	BT_INFO_SRC_8821A_1ANT_BT_RSP			= 0x1,
25 	BT_INFO_SRC_8821A_1ANT_BT_ACTIVE_SEND		= 0x2,
26 	BT_INFO_SRC_8821A_1ANT_MAX
27 };
28 
29 enum _BT_8821A_1ANT_BT_STATUS {
30 	BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE		= 0x0,
31 	BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE			= 0x1,
32 	BT_8821A_1ANT_BT_STATUS_INQ_PAGE			= 0x2,
33 	BT_8821A_1ANT_BT_STATUS_ACL_BUSY			= 0x3,
34 	BT_8821A_1ANT_BT_STATUS_SCO_BUSY			= 0x4,
35 	BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY			= 0x5,
36 	BT_8821A_1ANT_BT_STATUS_MAX
37 };
38 
39 enum _BT_8821A_1ANT_WIFI_STATUS {
40 	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_IDLE		= 0x0,
41 	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_ASSO_AUTH_SCAN	= 0x1,
42 	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN		= 0x2,
43 	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SPECIAL_PKT		= 0x3,
44 	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE		= 0x4,
45 	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_BUSY		= 0x5,
46 	BT_8821A_1ANT_WIFI_STATUS_MAX
47 };
48 
49 enum BT_8821A_1ANT_COEX_ALGO {
50 	BT_8821A_1ANT_COEX_ALGO_UNDEFINED		= 0x0,
51 	BT_8821A_1ANT_COEX_ALGO_SCO			= 0x1,
52 	BT_8821A_1ANT_COEX_ALGO_HID			= 0x2,
53 	BT_8821A_1ANT_COEX_ALGO_A2DP			= 0x3,
54 	BT_8821A_1ANT_COEX_ALGO_A2DP_PANHS		= 0x4,
55 	BT_8821A_1ANT_COEX_ALGO_PANEDR			= 0x5,
56 	BT_8821A_1ANT_COEX_ALGO_PANHS			= 0x6,
57 	BT_8821A_1ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,
58 	BT_8821A_1ANT_COEX_ALGO_PANEDR_HID		= 0x8,
59 	BT_8821A_1ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,
60 	BT_8821A_1ANT_COEX_ALGO_HID_A2DP		= 0xa,
61 	BT_8821A_1ANT_COEX_ALGO_MAX			= 0xb,
62 };
63 
64 struct coex_dm_8821a_1ant {
65 	/* fw mechanism */
66 	bool	cur_ignore_wlan_act;
67 	bool	pre_ignore_wlan_act;
68 	u8	pre_ps_tdma;
69 	u8	cur_ps_tdma;
70 	u8	ps_tdma_para[5];
71 	u8	tdma_adj_type;
72 	bool	auto_tdma_adjust;
73 	bool	pre_ps_tdma_on;
74 	bool	cur_ps_tdma_on;
75 	bool	pre_bt_auto_report;
76 	bool	cur_bt_auto_report;
77 	u8	pre_lps;
78 	u8	cur_lps;
79 	u8	pre_rpwm;
80 	u8	cur_rpwm;
81 
82 	/* sw mechanism */
83 	bool	pre_low_penalty_ra;
84 	bool	cur_low_penalty_ra;
85 	u32	pre_val_0x6c0;
86 	u32	cur_val_0x6c0;
87 	u32	pre_val_0x6c4;
88 	u32	cur_val_0x6c4;
89 	u32	pre_val_0x6c8;
90 	u32	cur_val_0x6c8;
91 	u8	pre_val_0x6cc;
92 	u8	cur_val_0x6cc;
93 	/* Auto Rate Fallback Retry cnt */
94 	u32	backup_arfr_cnt1;
95 	/* Auto Rate Fallback Retry cnt */
96 	u32	backup_arfr_cnt2;
97 	u16	backup_retry_limit;
98 	u8	backup_ampdu_max_time;
99 
100 	/* algorithm related */
101 	u8	pre_algorithm;
102 	u8	cur_algorithm;
103 	u8	bt_status;
104 	u8	wifi_chnl_info[3];
105 
106 	u32	pre_ra_mask;
107 	u32	cur_ra_mask;
108 	u8	pre_arfr_type;
109 	u8	cur_arfr_type;
110 	u8	pre_retry_limit_type;
111 	u8	cur_retry_limit_type;
112 	u8	pre_ampdu_time_type;
113 	u8	cur_ampdu_time_type;
114 	u32	arp_cnt;
115 
116 	u8	error_condition;
117 };
118 
119 struct coex_sta_8821a_1ant {
120 	bool	bt_disabled;
121 	bool	bt_link_exist;
122 	bool	sco_exist;
123 	bool	a2dp_exist;
124 	bool	hid_exist;
125 	bool	pan_exist;
126 
127 	bool	under_lps;
128 	bool	under_ips;
129 	u32	special_pkt_period_cnt;
130 	u32	high_priority_tx;
131 	u32	high_priority_rx;
132 	u32	low_priority_tx;
133 	u32	low_priority_rx;
134 	u8	bt_rssi;
135 	bool	bt_tx_rx_mask;
136 	u8	pre_bt_rssi_state;
137 	u8	pre_wifi_rssi_state[4];
138 	bool	c2h_bt_info_req_sent;
139 	u8	bt_info_c2h[BT_INFO_SRC_8821A_1ANT_MAX][10];
140 	u32	bt_info_c2h_cnt[BT_INFO_SRC_8821A_1ANT_MAX];
141 	bool	c2h_bt_inquiry_page;
142 	bool	wifi_is_high_pri_task;
143 	u8	bt_retry_cnt;
144 	u8	bt_info_ext;
145 };
146 
147 /*===========================================
148  * The following is interface which will notify coex module.
149  *===========================================
150  */
151 void ex_btc8821a1ant_init_hwconfig(struct btc_coexist *btcoexist,
152 				   bool wifi_only);
153 void ex_btc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist);
154 void ex_btc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
155 void ex_btc8821a1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
156 void ex_btc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
157 void ex_btc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
158 void ex_btc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,
159 					 u8 type);
160 void ex_btc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
161 					   u8 type);
162 void ex_btc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,
163 				    u8 *tmpbuf, u8 length);
164 void ex_btc8821a1ant_halt_notify(struct btc_coexist *btcoexist);
165 void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);
166 void ex_btc8821a1ant_periodical(struct btc_coexist *btcoexist);
167 void ex_btc8821a1ant_display_coex_info(struct btc_coexist *btcoexist,
168 				       struct seq_file *m);
169 void ex_btc8821a1ant_dbg_control(struct btc_coexist *btcoexist, u8 op_code,
170 				 u8 op_len, u8 *data);
171 void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state);
172