1 /* 2 * Copyright (c) 2009 Atheros Communications Inc. 3 * 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. 7 * 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. 15 */ 16 17 #ifndef BTCOEX_H 18 #define BTCOEX_H 19 20 #include "hw.h" 21 22 #define ATH_WLANACTIVE_GPIO 5 23 #define ATH_BTACTIVE_GPIO 6 24 #define ATH_BTPRIORITY_GPIO 7 25 26 #define ATH_BTCOEX_DEF_BT_PERIOD 45 27 #define ATH_BTCOEX_DEF_DUTY_CYCLE 55 28 #define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90 29 #define ATH_BTCOEX_BMISS_THRESH 50 30 31 #define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */ 32 #define ATH_BT_CNT_THRESHOLD 3 33 #define ATH_BT_CNT_SCAN_THRESHOLD 15 34 35 enum ath_btcoex_scheme { 36 ATH_BTCOEX_CFG_NONE, 37 ATH_BTCOEX_CFG_2WIRE, 38 ATH_BTCOEX_CFG_3WIRE, 39 }; 40 41 struct ath_btcoex_hw { 42 enum ath_btcoex_scheme scheme; 43 bool enabled; 44 u8 wlanactive_gpio; 45 u8 btactive_gpio; 46 u8 btpriority_gpio; 47 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ 48 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ 49 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ 50 }; 51 52 bool ath9k_hw_btcoex_supported(struct ath_hw *ah); 53 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); 54 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); 55 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); 56 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, 57 u32 bt_weight, 58 u32 wlan_weight); 59 void ath9k_hw_btcoex_enable(struct ath_hw *ah); 60 void ath9k_hw_btcoex_disable(struct ath_hw *ah); 61 62 #endif 63