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 #define ATH_BTCOEX_RX_WAIT_TIME 100 40 #define ATH_BTCOEX_STOMP_FTP_THRESH 5 41 42 #define AR9300_NUM_BT_WEIGHTS 4 43 #define AR9300_NUM_WLAN_WEIGHTS 4 44 /* Defines the BT AR_BT_COEX_WGHT used */ 45 enum ath_stomp_type { 46 ATH_BTCOEX_STOMP_ALL, 47 ATH_BTCOEX_STOMP_LOW, 48 ATH_BTCOEX_STOMP_NONE, 49 ATH_BTCOEX_STOMP_LOW_FTP, 50 ATH_BTCOEX_STOMP_MAX 51 }; 52 53 enum ath_btcoex_scheme { 54 ATH_BTCOEX_CFG_NONE, 55 ATH_BTCOEX_CFG_2WIRE, 56 ATH_BTCOEX_CFG_3WIRE, 57 }; 58 59 struct ath9k_hw_mci { 60 u32 raw_intr; 61 u32 rx_msg_intr; 62 u32 cont_status; 63 u32 gpm_addr; 64 u32 gpm_len; 65 u32 gpm_idx; 66 u32 sched_addr; 67 u32 wlan_channels[4]; 68 u32 wlan_cal_seq; 69 u32 wlan_cal_done; 70 u32 config; 71 u8 *gpm_buf; 72 bool ready; 73 bool update_2g5g; 74 bool is_2g; 75 bool query_bt; 76 bool unhalt_bt_gpm; /* need send UNHALT */ 77 bool halted_bt_gpm; /* HALT sent */ 78 bool need_flush_btinfo; 79 bool bt_version_known; 80 bool wlan_channels_update; 81 u8 wlan_ver_major; 82 u8 wlan_ver_minor; 83 u8 bt_ver_major; 84 u8 bt_ver_minor; 85 u8 bt_state; 86 u8 stomp_ftp; 87 }; 88 89 struct ath_btcoex_hw { 90 enum ath_btcoex_scheme scheme; 91 struct ath9k_hw_mci mci; 92 bool enabled; 93 u8 wlanactive_gpio; 94 u8 btactive_gpio; 95 u8 btpriority_gpio; 96 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ 97 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ 98 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ 99 u32 bt_weight[AR9300_NUM_BT_WEIGHTS]; 100 u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS]; 101 }; 102 103 void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah); 104 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); 105 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); 106 void ath9k_hw_btcoex_init_mci(struct ath_hw *ah); 107 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); 108 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, 109 u32 bt_weight, 110 u32 wlan_weight, 111 enum ath_stomp_type stomp_type); 112 void ath9k_hw_btcoex_disable(struct ath_hw *ah); 113 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah, 114 enum ath_stomp_type stomp_type); 115 116 #endif 117