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 ATH_BTCOEX_HT20_MAX_TXPOWER 0x14 43 #define ATH_BTCOEX_HT40_MAX_TXPOWER 0x10 44 45 #define AR9300_NUM_BT_WEIGHTS 4 46 #define AR9300_NUM_WLAN_WEIGHTS 4 47 /* Defines the BT AR_BT_COEX_WGHT used */ 48 enum ath_stomp_type { 49 ATH_BTCOEX_STOMP_ALL, 50 ATH_BTCOEX_STOMP_LOW, 51 ATH_BTCOEX_STOMP_NONE, 52 ATH_BTCOEX_STOMP_LOW_FTP, 53 ATH_BTCOEX_STOMP_AUDIO, 54 ATH_BTCOEX_STOMP_MAX 55 }; 56 57 enum ath_btcoex_scheme { 58 ATH_BTCOEX_CFG_NONE, 59 ATH_BTCOEX_CFG_2WIRE, 60 ATH_BTCOEX_CFG_3WIRE, 61 ATH_BTCOEX_CFG_MCI, 62 }; 63 64 struct ath9k_hw_mci { 65 u32 raw_intr; 66 u32 rx_msg_intr; 67 u32 cont_status; 68 u32 gpm_addr; 69 u32 gpm_len; 70 u32 gpm_idx; 71 u32 sched_addr; 72 u32 wlan_channels[4]; 73 u32 wlan_cal_seq; 74 u32 wlan_cal_done; 75 u32 config; 76 u8 *gpm_buf; 77 bool ready; 78 bool update_2g5g; 79 bool is_2g; 80 bool query_bt; 81 bool unhalt_bt_gpm; /* need send UNHALT */ 82 bool halted_bt_gpm; /* HALT sent */ 83 bool need_flush_btinfo; 84 bool bt_version_known; 85 bool wlan_channels_update; 86 u8 wlan_ver_major; 87 u8 wlan_ver_minor; 88 u8 bt_ver_major; 89 u8 bt_ver_minor; 90 u8 bt_state; 91 u8 stomp_ftp; 92 bool concur_tx; 93 u32 last_recovery; 94 }; 95 96 struct ath_btcoex_hw { 97 enum ath_btcoex_scheme scheme; 98 struct ath9k_hw_mci mci; 99 bool enabled; 100 u8 wlanactive_gpio; 101 u8 btactive_gpio; 102 u8 btpriority_gpio; 103 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ 104 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ 105 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ 106 u32 bt_weight[AR9300_NUM_BT_WEIGHTS]; 107 u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS]; 108 u8 tx_prio[ATH_BTCOEX_STOMP_MAX]; 109 }; 110 111 void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah); 112 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah); 113 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah); 114 void ath9k_hw_btcoex_init_mci(struct ath_hw *ah); 115 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum); 116 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, 117 u32 bt_weight, 118 u32 wlan_weight, 119 enum ath_stomp_type stomp_type); 120 void ath9k_hw_btcoex_disable(struct ath_hw *ah); 121 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah, 122 enum ath_stomp_type stomp_type); 123 void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio); 124 125 #endif 126