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1/*2 * Copyright (c) 2009-2011 Atheros Communications Inc.3 *4 * Permission to use, copy, modify, and/or distribute this software for any5 * purpose with or without fee is hereby granted, provided that the above6 * copyright notice and this permission notice appear in all copies.7 *8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.15 */16 17#ifndef BTCOEX_H18#define BTCOEX_H19 20#include "hw.h"21 22#define ATH_WLANACTIVE_GPIO_9280     523#define ATH_BTACTIVE_GPIO_9280       624#define ATH_BTPRIORITY_GPIO_9285     725 26#define ATH_WLANACTIVE_GPIO_9300     527#define ATH_BTACTIVE_GPIO_9300       428#define ATH_BTPRIORITY_GPIO_9300     829 30#define ATH_BTCOEX_DEF_BT_PERIOD  4531#define ATH_BTCOEX_DEF_DUTY_CYCLE 5532#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 9033#define ATH_BTCOEX_BMISS_THRESH   5034 35#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */36#define ATH_BT_CNT_THRESHOLD	       337#define ATH_BT_CNT_SCAN_THRESHOLD      1538 39#define ATH_BTCOEX_RX_WAIT_TIME       10040#define ATH_BTCOEX_STOMP_FTP_THRESH   541 42#define ATH_BTCOEX_HT20_MAX_TXPOWER   0x1443#define ATH_BTCOEX_HT40_MAX_TXPOWER   0x1044 45#define AR9300_NUM_BT_WEIGHTS   446#define AR9300_NUM_WLAN_WEIGHTS 447 48#define ATH_AIC_MAX_BT_CHANNEL  7949 50/* Defines the BT AR_BT_COEX_WGHT used */51enum ath_stomp_type {52	ATH_BTCOEX_STOMP_ALL,53	ATH_BTCOEX_STOMP_LOW,54	ATH_BTCOEX_STOMP_NONE,55	ATH_BTCOEX_STOMP_LOW_FTP,56	ATH_BTCOEX_STOMP_AUDIO,57	ATH_BTCOEX_STOMP_MAX58};59 60enum ath_btcoex_scheme {61	ATH_BTCOEX_CFG_NONE,62	ATH_BTCOEX_CFG_2WIRE,63	ATH_BTCOEX_CFG_3WIRE,64	ATH_BTCOEX_CFG_MCI,65};66 67struct ath9k_hw_mci {68	u32 raw_intr;69	u32 rx_msg_intr;70	u32 cont_status;71	u32 gpm_addr;72	u32 gpm_len;73	u32 gpm_idx;74	u32 sched_addr;75	u32 wlan_channels[4];76	u32 wlan_cal_seq;77	u32 wlan_cal_done;78	u32 config;79	u8 *gpm_buf;80	bool ready;81	bool update_2g5g;82	bool is_2g;83	bool query_bt;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;89	u8 wlan_ver_major;90	u8 wlan_ver_minor;91	u8 bt_ver_major;92	u8 bt_ver_minor;93	u8 bt_state;94	u8 stomp_ftp;95	bool concur_tx;96	u32 last_recovery;97};98 99struct ath9k_hw_aic {100	bool aic_enabled;101	u8 aic_cal_state;102	u8 aic_caled_chan;103	u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];104	u32 aic_cal_start_time;105};106 107struct ath_btcoex_hw {108	enum ath_btcoex_scheme scheme;109	struct ath9k_hw_mci mci;110	struct ath9k_hw_aic aic;111	bool enabled;112	u8 wlanactive_gpio;113	u8 btactive_gpio;114	u8 btpriority_gpio;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_coex_mode3;	/* Register setting for AR_BT_COEX_MODE3 */119	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];120	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];121	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];122};123 124void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);125void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);126void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);127void ath9k_hw_btcoex_deinit(struct ath_hw *ah);128void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);129void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);130void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,131				u32 bt_weight,132				u32 wlan_weight,133				enum ath_stomp_type stomp_type);134void ath9k_hw_btcoex_disable(struct ath_hw *ah);135void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,136			      enum ath_stomp_type stomp_type);137void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);138 139#endif140