2 * Copyright (c) 2009-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 #define ATH_WLANACTIVE_GPIO_9280 5
23 #define ATH_BTACTIVE_GPIO_9280 6
24 #define ATH_BTPRIORITY_GPIO_9285 7
26 #define ATH_WLANACTIVE_GPIO_9300 5
27 #define ATH_BTACTIVE_GPIO_9300 4
28 #define ATH_BTPRIORITY_GPIO_9300 8
30 #define ATH_BTCOEX_DEF_BT_PERIOD 45
31 #define ATH_BTCOEX_DEF_DUTY_CYCLE 55
32 #define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
33 #define ATH_BTCOEX_BMISS_THRESH 50
35 #define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
36 #define ATH_BT_CNT_THRESHOLD 3
37 #define ATH_BT_CNT_SCAN_THRESHOLD 15
39 #define ATH_BTCOEX_RX_WAIT_TIME 100
40 #define ATH_BTCOEX_STOMP_FTP_THRESH 5
42 #define ATH_BTCOEX_HT20_MAX_TXPOWER 0x14
43 #define ATH_BTCOEX_HT40_MAX_TXPOWER 0x10
45 #define AR9300_NUM_BT_WEIGHTS 4
46 #define AR9300_NUM_WLAN_WEIGHTS 4
48 #define ATH_AIC_MAX_BT_CHANNEL 79
50 /* Defines the BT AR_BT_COEX_WGHT used */
54 ATH_BTCOEX_STOMP_NONE,
55 ATH_BTCOEX_STOMP_LOW_FTP,
56 ATH_BTCOEX_STOMP_AUDIO,
60 enum ath_btcoex_scheme {
84 bool unhalt_bt_gpm; /* need send UNHALT */
85 bool halted_bt_gpm; /* HALT sent */
86 bool need_flush_btinfo;
87 bool bt_version_known;
88 bool wlan_channels_update;
103 u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
104 u32 aic_cal_start_time;
107 struct ath_btcoex_hw {
108 enum ath_btcoex_scheme scheme;
109 struct ath9k_hw_mci mci;
110 struct ath9k_hw_aic aic;
115 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
116 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
117 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
118 u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
119 u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
120 u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
123 void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
124 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
125 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
126 void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
127 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
128 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
131 enum ath_stomp_type stomp_type);
132 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
133 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
134 enum ath_stomp_type stomp_type);
135 void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);