[linux-2.6-block.git] / 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
Commit	Line	Data
17d50d1d	1	/*
5b68138e	2	* Copyright (c) 2009-2011 Atheros Communications Inc.
17d50d1d VT	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
af03abec LR	20	#include "hw.h"
af03abec LR	21
a6ef530f VN	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
f14462c6	29
1773912b VT	30	#define ATH_BTCOEX_DEF_BT_PERIOD 45
1773912b VT	31	#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
58da1318	32	#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
1773912b VT	33	#define ATH_BTCOEX_BMISS_THRESH 50
	34
	35	#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
	36	#define ATH_BT_CNT_THRESHOLD 3
58da1318	37	#define ATH_BT_CNT_SCAN_THRESHOLD 15
1773912b	38
6995fb80 RM	39	#define ATH_BTCOEX_RX_WAIT_TIME 100
	40	#define ATH_BTCOEX_STOMP_FTP_THRESH 5
	41
e82cb03f RM	42	#define ATH_BTCOEX_HT20_MAX_TXPOWER 0x14
	43	#define ATH_BTCOEX_HT40_MAX_TXPOWER 0x10
	44
54f10b05 RM	45	#define AR9300_NUM_BT_WEIGHTS 4
54f10b05 RM	46	#define AR9300_NUM_WLAN_WEIGHTS 4
d3f193ee SM	47
	48	#define ATH_AIC_MAX_BT_CHANNEL 79
	49
978f78bf VN	50	/* Defines the BT AR_BT_COEX_WGHT used */
978f78bf VN	51	enum ath_stomp_type {
978f78bf VN	52	ATH_BTCOEX_STOMP_ALL,
978f78bf VN	53	ATH_BTCOEX_STOMP_LOW,
54f10b05	54	ATH_BTCOEX_STOMP_NONE,
8227bf45	55	ATH_BTCOEX_STOMP_LOW_FTP,
2884561a	56	ATH_BTCOEX_STOMP_AUDIO,
54f10b05	57	ATH_BTCOEX_STOMP_MAX
978f78bf VN	58	};
978f78bf VN	59
22f25d0d VT	60	enum ath_btcoex_scheme {
	61	ATH_BTCOEX_CFG_NONE,
	62	ATH_BTCOEX_CFG_2WIRE,
	63	ATH_BTCOEX_CFG_3WIRE,
e1ff147d	64	ATH_BTCOEX_CFG_MCI,
22f25d0d VT	65	};
22f25d0d VT	66
6af24c49 MSS	67	struct 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;
6af24c49 MSS	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;
6995fb80	94	u8 stomp_ftp;
db60428b	95	bool concur_tx;
2097fdd7	96	u32 last_recovery;
6af24c49 MSS	97	};
6af24c49 MSS	98
d3f193ee SM	99	struct 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
766ec4a9	107	struct ath_btcoex_hw {
46289e1e	108	enum ath_btcoex_scheme scheme;
6af24c49	109	struct ath9k_hw_mci mci;
b6ab9ae2	110	struct ath9k_hw_aic aic;
8c1b3954	111	bool enabled;
f14462c6 VT	112	u8 wlanactive_gpio;
f14462c6 VT	113	u8 btactive_gpio;
1773912b	114	u8 btpriority_gpio;
1773912b VT	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 */
c7212b71	118	u32 bt_coex_mode3; /* Register setting for AR_BT_COEX_MODE3 */
54f10b05 RM	119	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
54f10b05 RM	120	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
db60428b	121	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
f14462c6 VT	122	};
f14462c6 VT	123
d68475de	124	void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
75d7839f LR	125	void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
75d7839f LR	126	void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
db222190	127	void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
d3c83ac1	128	void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
766ec4a9	129	void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
5e197292 LR	130	void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
5e197292 LR	131	u32 bt_weight,
5160b46f SM	132	u32 wlan_weight,
5160b46f SM	133	enum ath_stomp_type stomp_type);
17d50d1d	134	void ath9k_hw_btcoex_disable(struct ath_hw *ah);
978f78bf VN	135	void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
978f78bf VN	136	enum ath_stomp_type stomp_type);
db60428b	137	void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw ah, u8 stomp_txprio);
2e20250a	138
17d50d1d	139	#endif