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/*
* 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 AR9300_NUM_BT_WEIGHTS 4
#define AR9300_NUM_WLAN_WEIGHTS 4
/* 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_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;
u8 *sched_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;
};
struct ath_btcoex_hw {
enum ath_btcoex_scheme scheme;
struct ath9k_hw_mci mci;
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_weight[AR9300_NUM_BT_WEIGHTS];
u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
};
void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
void ath9k_hw_btcoex_init_3wire(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);
void ath9k_hw_btcoex_enable(struct ath_hw *ah);
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);
#endif
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