1 /******************************************************************************
2  *
3  * Copyright(c) 2012  Realtek Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  *****************************************************************************/
25 /**********************************************************************
26  * The following is for 8723B 1ANT BT Co-exist definition
27  **********************************************************************/
28 #define	BT_AUTO_REPORT_ONLY_8723B_1ANT			1
29 
30 #define	BT_INFO_8723B_1ANT_B_FTP			BIT7
31 #define	BT_INFO_8723B_1ANT_B_A2DP			BIT6
32 #define	BT_INFO_8723B_1ANT_B_HID			BIT5
33 #define	BT_INFO_8723B_1ANT_B_SCO_BUSY			BIT4
34 #define	BT_INFO_8723B_1ANT_B_ACL_BUSY			BIT3
35 #define	BT_INFO_8723B_1ANT_B_INQ_PAGE			BIT2
36 #define	BT_INFO_8723B_1ANT_B_SCO_ESCO			BIT1
37 #define	BT_INFO_8723B_1ANT_B_CONNECTION			BIT0
38 
39 #define	BT_INFO_8723B_1ANT_A2DP_BASIC_RATE(_BT_INFO_EXT_)	\
40 		(((_BT_INFO_EXT_&BIT0)) ? true : false)
41 
42 #define	BTC_RSSI_COEX_THRESH_TOL_8723B_1ANT		2
43 
44 enum _BT_INFO_SRC_8723B_1ANT {
45 	BT_INFO_SRC_8723B_1ANT_WIFI_FW			= 0x0,
46 	BT_INFO_SRC_8723B_1ANT_BT_RSP			= 0x1,
47 	BT_INFO_SRC_8723B_1ANT_BT_ACTIVE_SEND		= 0x2,
48 	BT_INFO_SRC_8723B_1ANT_MAX
49 };
50 
51 enum _BT_8723B_1ANT_BT_STATUS {
52 	BT_8723B_1ANT_BT_STATUS_NON_CONNECTED_IDLE	= 0x0,
53 	BT_8723B_1ANT_BT_STATUS_CONNECTED_IDLE		= 0x1,
54 	BT_8723B_1ANT_BT_STATUS_INQ_PAGE		= 0x2,
55 	BT_8723B_1ANT_BT_STATUS_ACL_BUSY		= 0x3,
56 	BT_8723B_1ANT_BT_STATUS_SCO_BUSY		= 0x4,
57 	BT_8723B_1ANT_BT_STATUS_ACL_SCO_BUSY		= 0x5,
58 	BT_8723B_1ANT_BT_STATUS_MAX
59 };
60 
61 enum _BT_8723B_1ANT_WIFI_STATUS {
62 	BT_8723B_1ANT_WIFI_STATUS_NON_CONNECTED_IDLE			= 0x0,
63 	BT_8723B_1ANT_WIFI_STATUS_NON_CONNECTED_ASSO_AUTH_SCAN		= 0x1,
64 	BT_8723B_1ANT_WIFI_STATUS_CONNECTED_SCAN			= 0x2,
65 	BT_8723B_1ANT_WIFI_STATUS_CONNECTED_SPECIAL_PKT			= 0x3,
66 	BT_8723B_1ANT_WIFI_STATUS_CONNECTED_IDLE			= 0x4,
67 	BT_8723B_1ANT_WIFI_STATUS_CONNECTED_BUSY			= 0x5,
68 	BT_8723B_1ANT_WIFI_STATUS_MAX
69 };
70 
71 enum _BT_8723B_1ANT_COEX_ALGO {
72 	BT_8723B_1ANT_COEX_ALGO_UNDEFINED		= 0x0,
73 	BT_8723B_1ANT_COEX_ALGO_SCO			= 0x1,
74 	BT_8723B_1ANT_COEX_ALGO_HID			= 0x2,
75 	BT_8723B_1ANT_COEX_ALGO_A2DP			= 0x3,
76 	BT_8723B_1ANT_COEX_ALGO_A2DP_PANHS		= 0x4,
77 	BT_8723B_1ANT_COEX_ALGO_PANEDR			= 0x5,
78 	BT_8723B_1ANT_COEX_ALGO_PANHS			= 0x6,
79 	BT_8723B_1ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,
80 	BT_8723B_1ANT_COEX_ALGO_PANEDR_HID		= 0x8,
81 	BT_8723B_1ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,
82 	BT_8723B_1ANT_COEX_ALGO_HID_A2DP		= 0xa,
83 	BT_8723B_1ANT_COEX_ALGO_MAX			= 0xb,
84 };
85 
86 struct coex_dm_8723b_1ant {
87 	/* fw mechanism */
88 	bool cur_ignore_wlan_act;
89 	bool pre_ignore_wlan_act;
90 	u8 pre_ps_tdma;
91 	u8 cur_ps_tdma;
92 	u8 ps_tdma_para[5];
93 	u8 tdma_adj_type;
94 	bool auto_tdma_adjust;
95 	bool pre_ps_tdma_on;
96 	bool cur_ps_tdma_on;
97 	bool pre_bt_auto_report;
98 	bool cur_bt_auto_report;
99 	u8 pre_lps;
100 	u8 cur_lps;
101 	u8 pre_rpwm;
102 	u8 cur_rpwm;
103 
104 	/* sw mechanism */
105 	bool pre_low_penalty_ra;
106 	bool cur_low_penalty_ra;
107 	u32 pre_val0x6c0;
108 	u32 cur_val0x6c0;
109 	u32 pre_val0x6c4;
110 	u32 cur_val0x6c4;
111 	u32 pre_val0x6c8;
112 	u32 cur_val0x6c8;
113 	u8 pre_val0x6cc;
114 	u8 cur_val0x6cc;
115 	bool limited_dig;
116 
117 	u32 backup_arfr_cnt1;	/* Auto Rate Fallback Retry cnt */
118 	u32 backup_arfr_cnt2;	/* Auto Rate Fallback Retry cnt */
119 	u16 backup_retry_limit;
120 	u8 backup_ampdu_max_time;
121 
122 	/* algorithm related */
123 	u8 pre_algorithm;
124 	u8 cur_algorithm;
125 	u8 bt_status;
126 	u8 wifi_chnl_info[3];
127 
128 	u32 prera_mask;
129 	u32 curra_mask;
130 	u8 pre_arfr_type;
131 	u8 cur_arfr_type;
132 	u8 pre_retry_limit_type;
133 	u8 cur_retry_limit_type;
134 	u8 pre_ampdu_time_type;
135 	u8 cur_ampdu_time_type;
136 
137 	u8 error_condition;
138 };
139 
140 struct coex_sta_8723b_1ant {
141 	bool bt_link_exist;
142 	bool sco_exist;
143 	bool a2dp_exist;
144 	bool hid_exist;
145 	bool pan_exist;
146 
147 	bool under_lps;
148 	bool under_ips;
149 	u32 special_pkt_period_cnt;
150 	u32 high_priority_tx;
151 	u32 high_priority_rx;
152 	u32 low_priority_tx;
153 	u32 low_priority_rx;
154 	u8 bt_rssi;
155 	u8 pre_bt_rssi_state;
156 	u8 pre_wifi_rssi_state[4];
157 	bool c2h_bt_info_req_sent;
158 	u8 bt_info_c2h[BT_INFO_SRC_8723B_1ANT_MAX][10];
159 	u32 bt_info_c2h_cnt[BT_INFO_SRC_8723B_1ANT_MAX];
160 	bool c2h_bt_inquiry_page;
161 	u8 bt_retry_cnt;
162 	u8 bt_info_ext;
163 };
164 
165 /*************************************************************************
166  * The following is interface which will notify coex module.
167  *************************************************************************/
168 void ex_halbtc8723b1ant_init_hwconfig(struct btc_coexist *btcoexist);
169 void ex_halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist);
170 void ex_halbtc8723b1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
171 void ex_halbtc8723b1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
172 void ex_halbtc8723b1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
173 void ex_halbtc8723b1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
174 void ex_halbtc8723b1ant_media_status_notify(struct btc_coexist *btcoexist,
175 					    u8 type);
176 void ex_halbtc8723b1ant_special_packet_notify(struct btc_coexist *btcoexist,
177 					      u8 type);
178 void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist,
179 				       u8 *tmpbuf, u8 length);
180 void ex_halbtc8723b1ant_halt_notify(struct btc_coexist *btcoexist);
181 void ex_halbtc8723b1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);
182 void ex_halbtc8723b1ant_coex_dm_reset(struct btc_coexist *btcoexist);
183 void ex_halbtc8723b1ant_periodical(struct btc_coexist *btcoexist);
184 void ex_halbtc8723b1ant_display_coex_info(struct btc_coexist *btcoexist);
185