1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2012  Realtek Corporation.*/
3 
4 /*****************************************************************
5  *   The following is for 8192E 2Ant BT Co-exist definition
6  *****************************************************************/
7 #define	BT_INFO_8192E_2ANT_B_FTP			BIT7
8 #define	BT_INFO_8192E_2ANT_B_A2DP			BIT6
9 #define	BT_INFO_8192E_2ANT_B_HID			BIT5
10 #define	BT_INFO_8192E_2ANT_B_SCO_BUSY			BIT4
11 #define	BT_INFO_8192E_2ANT_B_ACL_BUSY			BIT3
12 #define	BT_INFO_8192E_2ANT_B_INQ_PAGE			BIT2
13 #define	BT_INFO_8192E_2ANT_B_SCO_ESCO			BIT1
14 #define	BT_INFO_8192E_2ANT_B_CONNECTION			BIT0
15 
16 #define BTC_RSSI_COEX_THRESH_TOL_8192E_2ANT		2
17 
18 enum bt_info_src_8192e_2ant {
19 	BT_INFO_SRC_8192E_2ANT_WIFI_FW			= 0x0,
20 	BT_INFO_SRC_8192E_2ANT_BT_RSP			= 0x1,
21 	BT_INFO_SRC_8192E_2ANT_BT_ACTIVE_SEND		= 0x2,
22 	BT_INFO_SRC_8192E_2ANT_MAX
23 };
24 
25 enum bt_8192e_2ant_bt_status {
26 	BT_8192E_2ANT_BT_STATUS_NON_CONNECTED_IDLE	= 0x0,
27 	BT_8192E_2ANT_BT_STATUS_CONNECTED_IDLE		= 0x1,
28 	BT_8192E_2ANT_BT_STATUS_INQ_PAGE		= 0x2,
29 	BT_8192E_2ANT_BT_STATUS_ACL_BUSY		= 0x3,
30 	BT_8192E_2ANT_BT_STATUS_SCO_BUSY		= 0x4,
31 	BT_8192E_2ANT_BT_STATUS_ACL_SCO_BUSY		= 0x5,
32 	BT_8192E_2ANT_BT_STATUS_MAX
33 };
34 
35 enum bt_8192e_2ant_coex_algo {
36 	BT_8192E_2ANT_COEX_ALGO_UNDEFINED		= 0x0,
37 	BT_8192E_2ANT_COEX_ALGO_SCO			= 0x1,
38 	BT_8192E_2ANT_COEX_ALGO_SCO_PAN			= 0x2,
39 	BT_8192E_2ANT_COEX_ALGO_HID			= 0x3,
40 	BT_8192E_2ANT_COEX_ALGO_A2DP			= 0x4,
41 	BT_8192E_2ANT_COEX_ALGO_A2DP_PANHS		= 0x5,
42 	BT_8192E_2ANT_COEX_ALGO_PANEDR			= 0x6,
43 	BT_8192E_2ANT_COEX_ALGO_PANHS			= 0x7,
44 	BT_8192E_2ANT_COEX_ALGO_PANEDR_A2DP		= 0x8,
45 	BT_8192E_2ANT_COEX_ALGO_PANEDR_HID		= 0x9,
46 	BT_8192E_2ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0xa,
47 	BT_8192E_2ANT_COEX_ALGO_HID_A2DP		= 0xb,
48 	BT_8192E_2ANT_COEX_ALGO_MAX			= 0xc
49 };
50 
51 struct coex_dm_8192e_2ant {
52 	/* fw mechanism */
53 	u8 pre_dec_bt_pwr;
54 	u8 cur_dec_bt_pwr;
55 	u8 pre_fw_dac_swing_lvl;
56 	u8 cur_fw_dac_swing_lvl;
57 	bool cur_ignore_wlan_act;
58 	bool pre_ignore_wlan_act;
59 	u8 pre_ps_tdma;
60 	u8 cur_ps_tdma;
61 	u8 ps_tdma_para[5];
62 	u8 tdma_adj_type;
63 	bool reset_tdma_adjust;
64 	bool auto_tdma_adjust;
65 	bool pre_ps_tdma_on;
66 	bool cur_ps_tdma_on;
67 	bool pre_bt_auto_report;
68 	bool cur_bt_auto_report;
69 
70 	/* sw mechanism */
71 	bool pre_rf_rx_lpf_shrink;
72 	bool cur_rf_rx_lpf_shrink;
73 	u32 bt_rf0x1e_backup;
74 	bool pre_low_penalty_ra;
75 	bool cur_low_penalty_ra;
76 	bool pre_dac_swing_on;
77 	u32 pre_dac_swing_lvl;
78 	bool cur_dac_swing_on;
79 	u32 cur_dac_swing_lvl;
80 	bool pre_adc_back_off;
81 	bool cur_adc_back_off;
82 	bool pre_agc_table_en;
83 	bool cur_agc_table_en;
84 	u32 pre_val0x6c0;
85 	u32 cur_val0x6c0;
86 	u32 pre_val0x6c4;
87 	u32 cur_val0x6c4;
88 	u32 pre_val0x6c8;
89 	u32 cur_val0x6c8;
90 	u8 pre_val0x6cc;
91 	u8 cur_val0x6cc;
92 	bool limited_dig;
93 
94 	u32 backup_arfr_cnt1;	/* Auto Rate Fallback Retry cnt */
95 	u32 backup_arfr_cnt2;	/* Auto Rate Fallback Retry cnt */
96 	u16 backup_retry_limit;
97 	u8 backup_ampdu_maxtime;
98 
99 	/* algorithm related */
100 	u8 pre_algorithm;
101 	u8 cur_algorithm;
102 	u8 bt_status;
103 	u8 wifi_chnl_info[3];
104 
105 	u8 pre_ss_type;
106 	u8 cur_ss_type;
107 
108 	u32 pre_ra_mask;
109 	u32 cur_ra_mask;
110 	u8 cur_ra_mask_type;
111 	u8 pre_arfr_type;
112 	u8 cur_arfr_type;
113 	u8 pre_retry_limit_type;
114 	u8 cur_retry_limit_type;
115 	u8 pre_ampdu_time_type;
116 	u8 cur_ampdu_time_type;
117 };
118 
119 struct coex_sta_8192e_2ant {
120 	bool bt_link_exist;
121 	bool sco_exist;
122 	bool a2dp_exist;
123 	bool hid_exist;
124 	bool pan_exist;
125 
126 	bool under_lps;
127 	bool under_ips;
128 	u32 high_priority_tx;
129 	u32 high_priority_rx;
130 	u32 low_priority_tx;
131 	u32 low_priority_rx;
132 	u8 bt_rssi;
133 	u8 pre_bt_rssi_state;
134 	u8 pre_wifi_rssi_state[4];
135 	bool c2h_bt_info_req_sent;
136 	u8 bt_info_c2h[BT_INFO_SRC_8192E_2ANT_MAX][10];
137 	u32 bt_info_c2h_cnt[BT_INFO_SRC_8192E_2ANT_MAX];
138 	bool c2h_bt_inquiry_page;
139 	u8 bt_retry_cnt;
140 	u8 bt_info_ext;
141 };
142 
143 /****************************************************************
144  *    The following is interface which will notify coex module.
145  ****************************************************************/
146 void ex_btc8192e2ant_init_hwconfig(struct btc_coexist *btcoexist);
147 void ex_btc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist);
148 void ex_btc8192e2ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
149 void ex_btc8192e2ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
150 void ex_btc8192e2ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
151 void ex_btc8192e2ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
152 void ex_btc8192e2ant_media_status_notify(struct btc_coexist *btcoexist,
153 					 u8 type);
154 void ex_btc8192e2ant_special_packet_notify(struct btc_coexist *btcoexist,
155 					   u8 type);
156 void ex_btc8192e2ant_bt_info_notify(struct btc_coexist *btcoexist,
157 				    u8 *tmpbuf, u8 length);
158 void ex_btc8192e2ant_stack_operation_notify(struct btc_coexist *btcoexist,
159 					    u8 type);
160 void ex_btc8192e2ant_halt_notify(struct btc_coexist *btcoexist);
161 void ex_btc8192e2ant_periodical(struct btc_coexist *btcoexist);
162 void ex_btc8192e2ant_display_coex_info(struct btc_coexist *btcoexist,
163 				       struct seq_file *m);
164