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 1ANT BT Co-exist definition
28 *===========================================
29 */
30#define	BT_AUTO_REPORT_ONLY_8821A_1ANT				0
31
32#define	BT_INFO_8821A_1ANT_B_FTP	BIT7
33#define	BT_INFO_8821A_1ANT_B_A2DP	BIT6
34#define	BT_INFO_8821A_1ANT_B_HID	BIT5
35#define	BT_INFO_8821A_1ANT_B_SCO_BUSY	BIT4
36#define	BT_INFO_8821A_1ANT_B_ACL_BUSY	BIT3
37#define	BT_INFO_8821A_1ANT_B_INQ_PAGE	BIT2
38#define	BT_INFO_8821A_1ANT_B_SCO_ESCO	BIT1
39#define	BT_INFO_8821A_1ANT_B_CONNECTION	BIT0
40
41#define	BT_INFO_8821A_1ANT_A2DP_BASIC_RATE(_BT_INFO_EXT_)	\
42		(((_BT_INFO_EXT_&BIT0)) ? true : false)
43
44#define	BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT		2
45
46enum _BT_INFO_SRC_8821A_1ANT {
47	BT_INFO_SRC_8821A_1ANT_WIFI_FW			= 0x0,
48	BT_INFO_SRC_8821A_1ANT_BT_RSP			= 0x1,
49	BT_INFO_SRC_8821A_1ANT_BT_ACTIVE_SEND		= 0x2,
50	BT_INFO_SRC_8821A_1ANT_MAX
51};
52
53enum _BT_8821A_1ANT_BT_STATUS {
54	BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE		= 0x0,
55	BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE			= 0x1,
56	BT_8821A_1ANT_BT_STATUS_INQ_PAGE			= 0x2,
57	BT_8821A_1ANT_BT_STATUS_ACL_BUSY			= 0x3,
58	BT_8821A_1ANT_BT_STATUS_SCO_BUSY			= 0x4,
59	BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY			= 0x5,
60	BT_8821A_1ANT_BT_STATUS_MAX
61};
62
63enum _BT_8821A_1ANT_WIFI_STATUS {
64	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_IDLE		= 0x0,
65	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_ASSO_AUTH_SCAN	= 0x1,
66	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN		= 0x2,
67	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SPECIAL_PKT		= 0x3,
68	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE		= 0x4,
69	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_BUSY		= 0x5,
70	BT_8821A_1ANT_WIFI_STATUS_MAX
71};
72
73enum BT_8821A_1ANT_COEX_ALGO {
74	BT_8821A_1ANT_COEX_ALGO_UNDEFINED		= 0x0,
75	BT_8821A_1ANT_COEX_ALGO_SCO			= 0x1,
76	BT_8821A_1ANT_COEX_ALGO_HID			= 0x2,
77	BT_8821A_1ANT_COEX_ALGO_A2DP			= 0x3,
78	BT_8821A_1ANT_COEX_ALGO_A2DP_PANHS		= 0x4,
79	BT_8821A_1ANT_COEX_ALGO_PANEDR			= 0x5,
80	BT_8821A_1ANT_COEX_ALGO_PANHS			= 0x6,
81	BT_8821A_1ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,
82	BT_8821A_1ANT_COEX_ALGO_PANEDR_HID		= 0x8,
83	BT_8821A_1ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,
84	BT_8821A_1ANT_COEX_ALGO_HID_A2DP		= 0xa,
85	BT_8821A_1ANT_COEX_ALGO_MAX			= 0xb,
86};
87
88struct coex_dm_8821a_1ant {
89	/* fw mechanism */
90	bool	cur_ignore_wlan_act;
91	bool	pre_ignore_wlan_act;
92	u8	pre_ps_tdma;
93	u8	cur_ps_tdma;
94	u8	ps_tdma_para[5];
95	u8	tdma_adj_type;
96	bool	auto_tdma_adjust;
97	bool	pre_ps_tdma_on;
98	bool	cur_ps_tdma_on;
99	bool	pre_bt_auto_report;
100	bool	cur_bt_auto_report;
101	u8	pre_lps;
102	u8	cur_lps;
103	u8	pre_rpwm;
104	u8	cur_rpwm;
105
106	/* sw mechanism */
107	bool	pre_low_penalty_ra;
108	bool	cur_low_penalty_ra;
109	u32	pre_val_0x6c0;
110	u32	cur_val_0x6c0;
111	u32	pre_val_0x6c4;
112	u32	cur_val_0x6c4;
113	u32	pre_val_0x6c8;
114	u32	cur_val_0x6c8;
115	u8	pre_val_0x6cc;
116	u8	cur_val_0x6cc;
117	/* Auto Rate Fallback Retry cnt */
118	u32	backup_arfr_cnt1;
119	/* Auto Rate Fallback Retry cnt */
120	u32	backup_arfr_cnt2;
121	u16	backup_retry_limit;
122	u8	backup_ampdu_max_time;
123
124	/* algorithm related */
125	u8	pre_algorithm;
126	u8	cur_algorithm;
127	u8	bt_status;
128	u8	wifi_chnl_info[3];
129
130	u32	pre_ra_mask;
131	u32	cur_ra_mask;
132	u8	pre_arfr_type;
133	u8	cur_arfr_type;
134	u8	pre_retry_limit_type;
135	u8	cur_retry_limit_type;
136	u8	pre_ampdu_time_type;
137	u8	cur_ampdu_time_type;
138
139	u8	error_condition;
140};
141
142struct coex_sta_8821a_1ant {
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	special_pkt_period_cnt;
152	u32	high_priority_tx;
153	u32	high_priority_rx;
154	u32	low_priority_tx;
155	u32	low_priority_rx;
156	u8	bt_rssi;
157	u8	pre_bt_rssi_state;
158	u8	pre_wifi_rssi_state[4];
159	bool	c2h_bt_info_req_sent;
160	u8	bt_info_c2h[BT_INFO_SRC_8821A_1ANT_MAX][10];
161	u32	bt_info_c2h_cnt[BT_INFO_SRC_8821A_1ANT_MAX];
162	bool	c2h_bt_inquiry_page;
163	u8	bt_retry_cnt;
164	u8	bt_info_ext;
165};
166
167/*===========================================
168 * The following is interface which will notify coex module.
169 *===========================================
170 */
171void ex_halbtc8821a1ant_init_hwconfig(struct btc_coexist *btcoexist);
172void ex_halbtc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist);
173void ex_halbtc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
174void ex_halbtc8821a1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
175void ex_halbtc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
176void ex_halbtc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
177void ex_halbtc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,
178					    u8 type);
179void ex_halbtc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
180					      u8 type);
181void ex_halbtc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,
182				       u8 *tmpbuf, u8 length);
183void ex_halbtc8821a1ant_halt_notify(struct btc_coexist *btcoexist);
184void ex_halbtc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);
185void ex_halbtc8821a1ant_periodical(struct btc_coexist *btcoexist);
186void ex_halbtc8821a1ant_display_coex_info(struct btc_coexist *btcoexist);
187void ex_halbtc8821a1ant_dbg_control(struct btc_coexist *btcoexist, u8 op_code,
188				    u8 op_len, u8 *data);
189