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 /*===========================================
27  * The following is for 8821A 2Ant BT Co-exist definition
28  *===========================================
29 */
30 #define	BT_INFO_8821A_2ANT_B_FTP		BIT7
31 #define	BT_INFO_8821A_2ANT_B_A2DP		BIT6
32 #define	BT_INFO_8821A_2ANT_B_HID		BIT5
33 #define	BT_INFO_8821A_2ANT_B_SCO_BUSY		BIT4
34 #define	BT_INFO_8821A_2ANT_B_ACL_BUSY		BIT3
35 #define	BT_INFO_8821A_2ANT_B_INQ_PAGE		BIT2
36 #define	BT_INFO_8821A_2ANT_B_SCO_ESCO		BIT1
37 #define	BT_INFO_8821A_2ANT_B_CONNECTION		BIT0
38 
39 #define	BTC_RSSI_COEX_THRESH_TOL_8821A_2ANT	2
40 
41 enum _BT_INFO_SRC_8821A_2ANT {
42 	BT_INFO_SRC_8821A_2ANT_WIFI_FW		= 0x0,
43 	BT_INFO_SRC_8821A_2ANT_BT_RSP		= 0x1,
44 	BT_INFO_SRC_8821A_2ANT_BT_ACTIVE_SEND	= 0x2,
45 	BT_INFO_SRC_8821A_2ANT_MAX
46 };
47 
48 enum _BT_8821A_2ANT_BT_STATUS {
49 	BT_8821A_2ANT_BT_STATUS_IDLE		= 0x0,
50 	BT_8821A_2ANT_BT_STATUS_CON_IDLE	= 0x1,
51 	BT_8821A_2ANT_BT_STATUS_NON_IDLE	= 0x2,
52 	BT_8821A_2ANT_BT_STATUS_MAX
53 };
54 
55 enum _BT_8821A_2ANT_COEX_ALGO {
56 	BT_8821A_2ANT_COEX_ALGO_UNDEFINED		= 0x0,
57 	BT_8821A_2ANT_COEX_ALGO_SCO			= 0x1,
58 	BT_8821A_2ANT_COEX_ALGO_HID			= 0x2,
59 	BT_8821A_2ANT_COEX_ALGO_A2DP			= 0x3,
60 	BT_8821A_2ANT_COEX_ALGO_A2DP_PANHS		= 0x4,
61 	BT_8821A_2ANT_COEX_ALGO_PANEDR			= 0x5,
62 	BT_8821A_2ANT_COEX_ALGO_PANHS			= 0x6,
63 	BT_8821A_2ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,
64 	BT_8821A_2ANT_COEX_ALGO_PANEDR_HID		= 0x8,
65 	BT_8821A_2ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,
66 	BT_8821A_2ANT_COEX_ALGO_HID_A2DP		= 0xa,
67 	BT_8821A_2ANT_COEX_ALGO_MAX			= 0xb,
68 };
69 
70 struct coex_dm_8821a_2ant {
71 	/* fw mechanism */
72 	bool		pre_dec_bt_pwr;
73 	bool		cur_dec_bt_pwr;
74 	bool		pre_bt_lna_constrain;
75 	bool		cur_bt_lna_constrain;
76 	u8		pre_bt_psd_mode;
77 	u8		cur_bt_psd_mode;
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		pre_ps_tdma_on;
88 	bool		cur_ps_tdma_on;
89 	bool		pre_bt_auto_report;
90 	bool		cur_bt_auto_report;
91 
92 	/* sw mechanism */
93 	bool		pre_rf_rx_lpf_shrink;
94 	bool		cur_rf_rx_lpf_shrink;
95 	u32		bt_rf0x1e_backup;
96 	bool		pre_low_penalty_ra;
97 	bool		cur_low_penalty_ra;
98 	bool		pre_dac_swing_on;
99 	u32		pre_dac_swing_lvl;
100 	bool		cur_dac_swing_on;
101 	u32		cur_dac_swing_lvl;
102 	bool		pre_adc_back_off;
103 	bool		cur_adc_back_off;
104 	bool		pre_agc_table_en;
105 	bool		cur_agc_table_en;
106 	u32		pre_val0x6c0;
107 	u32		cur_val0x6c0;
108 	u32		pre_val0x6c4;
109 	u32		cur_val0x6c4;
110 	u32		pre_val0x6c8;
111 	u32		cur_val0x6c8;
112 	u8		pre_val0x6cc;
113 	u8		cur_val0x6cc;
114 	bool		limited_dig;
115 
116 	/* algorithm related */
117 	u8		pre_algorithm;
118 	u8		cur_algorithm;
119 	u8		bt_status;
120 	u8		wifi_chnl_info[3];
121 };
122 
123 struct coex_sta_8821a_2ant {
124 	bool	bt_link_exist;
125 	bool	sco_exist;
126 	bool	a2dp_exist;
127 	bool	hid_exist;
128 	bool	pan_exist;
129 	bool	under_lps;
130 	bool	under_ips;
131 	u32	high_priority_tx;
132 	u32	high_priority_rx;
133 	u32	low_priority_tx;
134 	u32	low_priority_rx;
135 	u8	bt_rssi;
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_2ANT_MAX][10];
140 	u32	bt_info_c2h_cnt[BT_INFO_SRC_8821A_2ANT_MAX];
141 	bool	c2h_bt_inquiry_page;
142 	u8	bt_retry_cnt;
143 	u8	bt_info_ext;
144 };
145 
146 /*===========================================
147  *	The following is interface which will notify coex module.
148  *===========================================
149  */
150 void
151 ex_halbtc8821a2ant_init_hwconfig(
152 	struct btc_coexist *btcoexist
153 	);
154 void
155 ex_halbtc8821a2ant_init_coex_dm(
156 	struct btc_coexist *btcoexist
157 	);
158 void
159 ex_halbtc8821a2ant_ips_notify(
160 	struct btc_coexist *btcoexist,
161 	u8 type
162 	);
163 void
164 ex_halbtc8821a2ant_lps_notify(
165 	struct btc_coexist *btcoexist,
166 	u8 type
167 	);
168 void
169 ex_halbtc8821a2ant_scan_notify(
170 	struct btc_coexist *btcoexist,
171 	u8 type
172 	);
173 void
174 ex_halbtc8821a2ant_connect_notify(
175 	struct btc_coexist *btcoexist,
176 	u8 type
177 	);
178 void
179 ex_halbtc8821a2ant_media_status_notify(
180 	struct btc_coexist *btcoexist,
181 	u8 type
182 	);
183 void
184 ex_halbtc8821a2ant_special_packet_notify(
185 	struct btc_coexist *btcoexist,
186 	u8 type
187 	);
188 void
189 ex_halbtc8821a2ant_bt_info_notify(
190 	struct btc_coexist *btcoexist,
191 	u8 *tmp_buf,
192 	u8 length
193 	);
194 void
195 ex_halbtc8821a2ant_halt_notify(
196 	struct btc_coexist *btcoexist
197 	);
198 void
199 ex_halbtc8821a2ant_periodical(
200 	struct btc_coexist *btcoexist
201 	);
202 void
203 ex_halbtc8821a2ant_display_coex_info(
204 	struct btc_coexist *btcoexist
205 	);
206