xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/ath/ath9k/btcoex.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2009-2011 Atheros Communications Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission to use, copy, modify, and/or distribute this software for any
5*4882a593Smuzhiyun  * purpose with or without fee is hereby granted, provided that the above
6*4882a593Smuzhiyun  * copyright notice and this permission notice appear in all copies.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*4882a593Smuzhiyun  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*4882a593Smuzhiyun  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*4882a593Smuzhiyun  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*4882a593Smuzhiyun  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*4882a593Smuzhiyun  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*4882a593Smuzhiyun  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifndef BTCOEX_H
18*4882a593Smuzhiyun #define BTCOEX_H
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #include "hw.h"
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define ATH_WLANACTIVE_GPIO_9280     5
23*4882a593Smuzhiyun #define ATH_BTACTIVE_GPIO_9280       6
24*4882a593Smuzhiyun #define ATH_BTPRIORITY_GPIO_9285     7
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #define ATH_WLANACTIVE_GPIO_9300     5
27*4882a593Smuzhiyun #define ATH_BTACTIVE_GPIO_9300       4
28*4882a593Smuzhiyun #define ATH_BTPRIORITY_GPIO_9300     8
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define ATH_BTCOEX_DEF_BT_PERIOD  45
31*4882a593Smuzhiyun #define ATH_BTCOEX_DEF_DUTY_CYCLE 55
32*4882a593Smuzhiyun #define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
33*4882a593Smuzhiyun #define ATH_BTCOEX_BMISS_THRESH   50
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
36*4882a593Smuzhiyun #define ATH_BT_CNT_THRESHOLD	       3
37*4882a593Smuzhiyun #define ATH_BT_CNT_SCAN_THRESHOLD      15
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #define ATH_BTCOEX_RX_WAIT_TIME       100
40*4882a593Smuzhiyun #define ATH_BTCOEX_STOMP_FTP_THRESH   5
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define ATH_BTCOEX_HT20_MAX_TXPOWER   0x14
43*4882a593Smuzhiyun #define ATH_BTCOEX_HT40_MAX_TXPOWER   0x10
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #define AR9300_NUM_BT_WEIGHTS   4
46*4882a593Smuzhiyun #define AR9300_NUM_WLAN_WEIGHTS 4
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun #define ATH_AIC_MAX_BT_CHANNEL  79
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /* Defines the BT AR_BT_COEX_WGHT used */
51*4882a593Smuzhiyun enum ath_stomp_type {
52*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_ALL,
53*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_LOW,
54*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_NONE,
55*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_LOW_FTP,
56*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_AUDIO,
57*4882a593Smuzhiyun 	ATH_BTCOEX_STOMP_MAX
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun enum ath_btcoex_scheme {
61*4882a593Smuzhiyun 	ATH_BTCOEX_CFG_NONE,
62*4882a593Smuzhiyun 	ATH_BTCOEX_CFG_2WIRE,
63*4882a593Smuzhiyun 	ATH_BTCOEX_CFG_3WIRE,
64*4882a593Smuzhiyun 	ATH_BTCOEX_CFG_MCI,
65*4882a593Smuzhiyun };
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun struct ath9k_hw_mci {
68*4882a593Smuzhiyun 	u32 raw_intr;
69*4882a593Smuzhiyun 	u32 rx_msg_intr;
70*4882a593Smuzhiyun 	u32 cont_status;
71*4882a593Smuzhiyun 	u32 gpm_addr;
72*4882a593Smuzhiyun 	u32 gpm_len;
73*4882a593Smuzhiyun 	u32 gpm_idx;
74*4882a593Smuzhiyun 	u32 sched_addr;
75*4882a593Smuzhiyun 	u32 wlan_channels[4];
76*4882a593Smuzhiyun 	u32 wlan_cal_seq;
77*4882a593Smuzhiyun 	u32 wlan_cal_done;
78*4882a593Smuzhiyun 	u32 config;
79*4882a593Smuzhiyun 	u8 *gpm_buf;
80*4882a593Smuzhiyun 	bool ready;
81*4882a593Smuzhiyun 	bool update_2g5g;
82*4882a593Smuzhiyun 	bool is_2g;
83*4882a593Smuzhiyun 	bool query_bt;
84*4882a593Smuzhiyun 	bool unhalt_bt_gpm; /* need send UNHALT */
85*4882a593Smuzhiyun 	bool halted_bt_gpm; /* HALT sent */
86*4882a593Smuzhiyun 	bool need_flush_btinfo;
87*4882a593Smuzhiyun 	bool bt_version_known;
88*4882a593Smuzhiyun 	bool wlan_channels_update;
89*4882a593Smuzhiyun 	u8 wlan_ver_major;
90*4882a593Smuzhiyun 	u8 wlan_ver_minor;
91*4882a593Smuzhiyun 	u8 bt_ver_major;
92*4882a593Smuzhiyun 	u8 bt_ver_minor;
93*4882a593Smuzhiyun 	u8 bt_state;
94*4882a593Smuzhiyun 	u8 stomp_ftp;
95*4882a593Smuzhiyun 	bool concur_tx;
96*4882a593Smuzhiyun 	u32 last_recovery;
97*4882a593Smuzhiyun };
98*4882a593Smuzhiyun 
99*4882a593Smuzhiyun struct ath9k_hw_aic {
100*4882a593Smuzhiyun 	bool aic_enabled;
101*4882a593Smuzhiyun 	u8 aic_cal_state;
102*4882a593Smuzhiyun 	u8 aic_caled_chan;
103*4882a593Smuzhiyun 	u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
104*4882a593Smuzhiyun 	u32 aic_cal_start_time;
105*4882a593Smuzhiyun };
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun struct ath_btcoex_hw {
108*4882a593Smuzhiyun 	enum ath_btcoex_scheme scheme;
109*4882a593Smuzhiyun 	struct ath9k_hw_mci mci;
110*4882a593Smuzhiyun 	struct ath9k_hw_aic aic;
111*4882a593Smuzhiyun 	bool enabled;
112*4882a593Smuzhiyun 	u8 wlanactive_gpio;
113*4882a593Smuzhiyun 	u8 btactive_gpio;
114*4882a593Smuzhiyun 	u8 btpriority_gpio;
115*4882a593Smuzhiyun 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
116*4882a593Smuzhiyun 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
117*4882a593Smuzhiyun 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
118*4882a593Smuzhiyun 	u32 bt_coex_mode3;	/* Register setting for AR_BT_COEX_MODE3 */
119*4882a593Smuzhiyun 	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
120*4882a593Smuzhiyun 	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
121*4882a593Smuzhiyun 	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
122*4882a593Smuzhiyun };
123*4882a593Smuzhiyun 
124*4882a593Smuzhiyun void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
125*4882a593Smuzhiyun void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
126*4882a593Smuzhiyun void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
127*4882a593Smuzhiyun void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
128*4882a593Smuzhiyun void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
129*4882a593Smuzhiyun void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
130*4882a593Smuzhiyun void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
131*4882a593Smuzhiyun 				u32 bt_weight,
132*4882a593Smuzhiyun 				u32 wlan_weight,
133*4882a593Smuzhiyun 				enum ath_stomp_type stomp_type);
134*4882a593Smuzhiyun void ath9k_hw_btcoex_disable(struct ath_hw *ah);
135*4882a593Smuzhiyun void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
136*4882a593Smuzhiyun 			      enum ath_stomp_type stomp_type);
137*4882a593Smuzhiyun void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);
138*4882a593Smuzhiyun 
139*4882a593Smuzhiyun #endif
140