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
41enum 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
48enum 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
58enum 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
74struct 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
142struct 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 ****************************************************************/
169void ex_halbtc8192e2ant_init_hwconfig(struct btc_coexist *btcoexist);
170void ex_halbtc8192e2ant_init_coex_dm(struct btc_coexist *btcoexist);
171void ex_halbtc8192e2ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
172void ex_halbtc8192e2ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
173void ex_halbtc8192e2ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
174void ex_halbtc8192e2ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
175void ex_halbtc8192e2ant_media_status_notify(struct btc_coexist *btcoexist,
176					    u8 type);
177void ex_halbtc8192e2ant_special_packet_notify(struct btc_coexist *btcoexist,
178					      u8 type);
179void ex_halbtc8192e2ant_bt_info_notify(struct btc_coexist *btcoexist,
180				       u8 *tmpbuf, u8 length);
181void ex_halbtc8192e2ant_stack_operation_notify(struct btc_coexist *btcoexist,
182					       u8 type);
183void ex_halbtc8192e2ant_halt_notify(struct btc_coexist *btcoexist);
184void ex_halbtc8192e2ant_periodical(struct btc_coexist *btcoexist);
185void ex_halbtc8192e2ant_display_coex_info(struct btc_coexist *btcoexist);
186