Release 4.11 drivers/net/wireless/ath/ath9k/btcoex.h

/*
 * Copyright (c) 2009-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef BTCOEX_H

#define BTCOEX_H

#include "hw.h"


#define ATH_WLANACTIVE_GPIO_9280     5

#define ATH_BTACTIVE_GPIO_9280       6

#define ATH_BTPRIORITY_GPIO_9285     7


#define ATH_WLANACTIVE_GPIO_9300     5

#define ATH_BTACTIVE_GPIO_9300       4

#define ATH_BTPRIORITY_GPIO_9300     8


#define ATH_BTCOEX_DEF_BT_PERIOD  45

#define ATH_BTCOEX_DEF_DUTY_CYCLE 55

#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90

#define ATH_BTCOEX_BMISS_THRESH   50


#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 
/* ms */

#define ATH_BT_CNT_THRESHOLD	       3

#define ATH_BT_CNT_SCAN_THRESHOLD      15


#define ATH_BTCOEX_RX_WAIT_TIME       100

#define ATH_BTCOEX_STOMP_FTP_THRESH   5


#define ATH_BTCOEX_HT20_MAX_TXPOWER   0x14

#define ATH_BTCOEX_HT40_MAX_TXPOWER   0x10


#define AR9300_NUM_BT_WEIGHTS   4

#define AR9300_NUM_WLAN_WEIGHTS 4


#define ATH_AIC_MAX_BT_CHANNEL  79

/* Defines the BT AR_BT_COEX_WGHT used */

enum ath_stomp_type {
	
ATH_BTCOEX_STOMP_ALL,
	
ATH_BTCOEX_STOMP_LOW,
	
ATH_BTCOEX_STOMP_NONE,
	
ATH_BTCOEX_STOMP_LOW_FTP,
	
ATH_BTCOEX_STOMP_AUDIO,
	
ATH_BTCOEX_STOMP_MAX
};


enum ath_btcoex_scheme {
	
ATH_BTCOEX_CFG_NONE,
	
ATH_BTCOEX_CFG_2WIRE,
	
ATH_BTCOEX_CFG_3WIRE,
	
ATH_BTCOEX_CFG_MCI,
};


struct ath9k_hw_mci {
	
u32 raw_intr;
	
u32 rx_msg_intr;
	
u32 cont_status;
	
u32 gpm_addr;
	
u32 gpm_len;
	
u32 gpm_idx;
	
u32 sched_addr;
	
u32 wlan_channels[4];
	
u32 wlan_cal_seq;
	
u32 wlan_cal_done;
	
u32 config;
	
u8 *gpm_buf;
	
bool ready;
	
bool update_2g5g;
	
bool is_2g;
	
bool query_bt;
	
bool unhalt_bt_gpm; /* need send UNHALT */
	
bool halted_bt_gpm; /* HALT sent */
	
bool need_flush_btinfo;
	
bool bt_version_known;
	
bool wlan_channels_update;
	
u8 wlan_ver_major;
	
u8 wlan_ver_minor;
	
u8 bt_ver_major;
	
u8 bt_ver_minor;
	
u8 bt_state;
	
u8 stomp_ftp;
	
bool concur_tx;
	
u32 last_recovery;
};


struct ath9k_hw_aic {
	
bool aic_enabled;
	
u8 aic_cal_state;
	
u8 aic_caled_chan;
	
u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
	
u32 aic_cal_start_time;
};


struct ath_btcoex_hw {
	
enum ath_btcoex_scheme scheme;
	
struct ath9k_hw_mci mci;
	
struct ath9k_hw_aic aic;
	
bool enabled;
	
u8 wlanactive_gpio;
	
u8 btactive_gpio;
	
u8 btpriority_gpio;
	
u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
	
u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
	
u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
	
u32 bt_coex_mode3;	/* Register setting for AR_BT_COEX_MODE3 */
	
u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
	
u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
	
u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
};

void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
				u32 bt_weight,
				u32 wlan_weight,
				enum ath_stomp_type stomp_type);
void ath9k_hw_btcoex_disable(struct ath_hw *ah);
void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
			      enum ath_stomp_type stomp_type);
void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);

#endif
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Directory: drivers/net/wireless/ath/ath9k

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