1 /* 2 * Copyright (c) 2009-2011 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_9280 5 23 #define ATH_BTACTIVE_GPIO_9280 6 24 #define ATH_BTPRIORITY_GPIO_9285 7 25 26 #define ATH_WLANACTIVE_GPIO_9300 5 27 #define ATH_BTACTIVE_GPIO_9300 4 28 #define ATH_BTPRIORITY_GPIO_9300 8 29 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 34 35 #define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */ 36 #define ATH_BT_CNT_THRESHOLD 3 37 #define ATH_BT_CNT_SCAN_THRESHOLD 15 38 39 /* Defines the BT AR_BT_COEX_WGHT used */ 40 enum ath_stomp_type { 41 ATH_BTCOEX_NO_STOMP, 42 ATH_BTCOEX_STOMP_ALL, 43 ATH_BTCOEX_STOMP_LOW, 44 ATH_BTCOEX_STOMP_NONE 45 }; 46 47 enum ath_btcoex_scheme { 48 ATH_BTCOEX_CFG_NONE, 49 ATH_BTCOEX_CFG_2WIRE, 50 ATH_BTCOEX_CFG_3WIRE, 51 }; 52 53 struct ath_btcoex_hw { 54 enum ath_btcoex_scheme scheme; 55 bool enabled; 56 u8 wlanactive_gpio; 57 u8 btactive_gpio; 58 u8 btpriority_gpio; 59 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ 60 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ 61 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ 62 }; 63 64 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); 65 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); 66 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); 67 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, 68 u32 bt_weight, 69 u32 wlan_weight); 70 void ath9k_hw_btcoex_enable(struct ath_hw *ah); 71 void ath9k_hw_btcoex_disable(struct ath_hw *ah); 72 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah, 73 enum ath_stomp_type stomp_type); 74 75 #endif 76