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 8192E 2Ant BT Co-exist definition
27  *****************************************************************/
28 #define	BT_AUTO_REPORT_ONLY_8192E_2ANT			0
29 
30 #define	BT_INFO_8192E_2ANT_B_FTP			BIT7
31 #define	BT_INFO_8192E_2ANT_B_A2DP			BIT6
32 #define	BT_INFO_8192E_2ANT_B_HID			BIT5
33 #define	BT_INFO_8192E_2ANT_B_SCO_BUSY			BIT4
34 #define	BT_INFO_8192E_2ANT_B_ACL_BUSY			BIT3
35 #define	BT_INFO_8192E_2ANT_B_INQ_PAGE			BIT2
36 #define	BT_INFO_8192E_2ANT_B_SCO_ESCO			BIT1
37 #define	BT_INFO_8192E_2ANT_B_CONNECTION			BIT0
38 
39 #define BTC_RSSI_COEX_THRESH_TOL_8192E_2ANT		2
40 
41 enum bt_info_src_8192e_2ant {
42 	BT_INFO_SRC_8192E_2ANT_WIFI_FW			= 0x0,
43 	BT_INFO_SRC_8192E_2ANT_BT_RSP			= 0x1,
44 	BT_INFO_SRC_8192E_2ANT_BT_ACTIVE_SEND		= 0x2,
45 	BT_INFO_SRC_8192E_2ANT_MAX
46 };
47 
48 enum bt_8192e_2ant_bt_status {
49 	BT_8192E_2ANT_BT_STATUS_NON_CONNECTED_IDLE	= 0x0,
50 	BT_8192E_2ANT_BT_STATUS_CONNECTED_IDLE		= 0x1,
51 	BT_8192E_2ANT_BT_STATUS_INQ_PAGE		= 0x2,
52 	BT_8192E_2ANT_BT_STATUS_ACL_BUSY		= 0x3,
53 	BT_8192E_2ANT_BT_STATUS_SCO_BUSY		= 0x4,
54 	BT_8192E_2ANT_BT_STATUS_ACL_SCO_BUSY		= 0x5,
55 	BT_8192E_2ANT_BT_STATUS_MAX
56 };
57 
58 enum bt_8192e_2ant_coex_algo {
59 	BT_8192E_2ANT_COEX_ALGO_UNDEFINED		= 0x0,
60 	BT_8192E_2ANT_COEX_ALGO_SCO			= 0x1,
61 	BT_8192E_2ANT_COEX_ALGO_SCO_PAN			= 0x2,
62 	BT_8192E_2ANT_COEX_ALGO_HID			= 0x3,
63 	BT_8192E_2ANT_COEX_ALGO_A2DP			= 0x4,
64 	BT_8192E_2ANT_COEX_ALGO_A2DP_PANHS		= 0x5,
65 	BT_8192E_2ANT_COEX_ALGO_PANEDR			= 0x6,
66 	BT_8192E_2ANT_COEX_ALGO_PANHS			= 0x7,
67 	BT_8192E_2ANT_COEX_ALGO_PANEDR_A2DP		= 0x8,
68 	BT_8192E_2ANT_COEX_ALGO_PANEDR_HID		= 0x9,
69 	BT_8192E_2ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0xa,
70 	BT_8192E_2ANT_COEX_ALGO_HID_A2DP		= 0xb,
71 	BT_8192E_2ANT_COEX_ALGO_MAX			= 0xc
72 };
73 
74 struct coex_dm_8192e_2ant {
75 	/* fw mechanism */
76 	u8 pre_dec_bt_pwr;
77 	u8 cur_dec_bt_pwr;
78 	u8 pre_fw_dac_swing_lvl;
79 	u8 cur_fw_dac_swing_lvl;
80 	bool cur_ignore_wlan_act;
81 	bool pre_ignore_wlan_act;
82 	u8 pre_ps_tdma;
83 	u8 cur_ps_tdma;
84 	u8 ps_tdma_para[5];
85 	u8 tdma_adj_type;
86 	bool reset_tdma_adjust;
87 	bool auto_tdma_adjust;
88 	bool pre_ps_tdma_on;
89 	bool cur_ps_tdma_on;
90 	bool pre_bt_auto_report;
91 	bool cur_bt_auto_report;
92 
93 	/* sw mechanism */
94 	bool pre_rf_rx_lpf_shrink;
95 	bool cur_rf_rx_lpf_shrink;
96 	u32 bt_rf0x1e_backup;
97 	bool pre_low_penalty_ra;
98 	bool cur_low_penalty_ra;
99 	bool pre_dac_swing_on;
100 	u32 pre_dac_swing_lvl;
101 	bool cur_dac_swing_on;
102 	u32 cur_dac_swing_lvl;
103 	bool pre_adc_back_off;
104 	bool cur_adc_back_off;
105 	bool pre_agc_table_en;
106 	bool cur_agc_table_en;
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_retrylimit;
120 	u8 backup_ampdu_maxtime;
121 
122 	/* algorithm related */
123 	u8 pre_algorithm;
124 	u8 cur_algorithm;
125 	u8 bt_status;
126 	u8 wifi_chnl_info[3];
127 
128 	u8 pre_sstype;
129 	u8 cur_sstype;
130 
131 	u32 prera_mask;
132 	u32 curra_mask;
133 	u8 curra_masktype;
134 	u8 pre_arfrtype;
135 	u8 cur_arfrtype;
136 	u8 pre_retrylimit_type;
137 	u8 cur_retrylimit_type;
138 	u8 pre_ampdutime_type;
139 	u8 cur_ampdutime_type;
140 };
141 
142 struct coex_sta_8192e_2ant {
143 	bool bt_link_exist;
144 	bool sco_exist;
145 	bool a2dp_exist;
146 	bool hid_exist;
147 	bool pan_exist;
148 
149 	bool under_lps;
150 	bool under_ips;
151 	u32 high_priority_tx;
152 	u32 high_priority_rx;
153 	u32 low_priority_tx;
154 	u32 low_priority_rx;
155 	u8 bt_rssi;
156 	u8 pre_bt_rssi_state;
157 	u8 pre_wifi_rssi_state[4];
158 	bool c2h_bt_info_req_sent;
159 	u8 bt_info_c2h[BT_INFO_SRC_8192E_2ANT_MAX][10];
160 	u32 bt_info_c2h_cnt[BT_INFO_SRC_8192E_2ANT_MAX];
161 	bool c2h_bt_inquiry_page;
162 	u8 bt_retry_cnt;
163 	u8 bt_info_ext;
164 };
165 
166 /****************************************************************
167  *    The following is interface which will notify coex module.
168  ****************************************************************/
169 void ex_halbtc8192e2ant_init_hwconfig(struct btc_coexist *btcoexist);
170 void ex_halbtc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist);
171 void ex_halbtc8192e2ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
172 void ex_halbtc8192e2ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
173 void ex_halbtc8192e2ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
174 void ex_halbtc8192e2ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
175 void ex_halbtc8192e2ant_media_status_notify(struct btc_coexist *btcoexist,
176 					    u8 type);
177 void ex_halbtc8192e2ant_special_packet_notify(struct btc_coexist *btcoexist,
178 					      u8 type);
179 void ex_halbtc8192e2ant_bt_info_notify(struct btc_coexist *btcoexist,
180 				       u8 *tmpbuf, u8 length);
181 void ex_halbtc8192e2ant_stack_operation_notify(struct btc_coexist *btcoexist,
182 					       u8 type);
183 void ex_halbtc8192e2ant_halt_notify(struct btc_coexist *btcoexist);
184 void ex_halbtc8192e2ant_periodical(struct btc_coexist *btcoexist);
185 void ex_halbtc8192e2ant_display_coex_info(struct btc_coexist *btcoexist);
186