[deliverable/linux.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
/* 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,
};

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 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];
	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_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
978f78bf VN	47	/* Defines the BT AR_BT_COEX_WGHT used */
978f78bf VN	48	enum ath_stomp_type {
978f78bf VN	49	ATH_BTCOEX_STOMP_ALL,
978f78bf VN	50	ATH_BTCOEX_STOMP_LOW,
54f10b05	51	ATH_BTCOEX_STOMP_NONE,
8227bf45	52	ATH_BTCOEX_STOMP_LOW_FTP,
2884561a	53	ATH_BTCOEX_STOMP_AUDIO,
54f10b05	54	ATH_BTCOEX_STOMP_MAX
978f78bf VN	55	};
978f78bf VN	56
22f25d0d VT	57	enum ath_btcoex_scheme {
	58	ATH_BTCOEX_CFG_NONE,
	59	ATH_BTCOEX_CFG_2WIRE,
	60	ATH_BTCOEX_CFG_3WIRE,
	61	};
	62
6af24c49 MSS	63	struct ath9k_hw_mci {
	64	u32 raw_intr;
	65	u32 rx_msg_intr;
	66	u32 cont_status;
	67	u32 gpm_addr;
	68	u32 gpm_len;
	69	u32 gpm_idx;
	70	u32 sched_addr;
	71	u32 wlan_channels[4];
	72	u32 wlan_cal_seq;
	73	u32 wlan_cal_done;
	74	u32 config;
	75	u8 *gpm_buf;
6af24c49 MSS	76	bool ready;
	77	bool update_2g5g;
	78	bool is_2g;
	79	bool query_bt;
	80	bool unhalt_bt_gpm; /* need send UNHALT */
	81	bool halted_bt_gpm; /* HALT sent */
	82	bool need_flush_btinfo;
	83	bool bt_version_known;
	84	bool wlan_channels_update;
	85	u8 wlan_ver_major;
	86	u8 wlan_ver_minor;
	87	u8 bt_ver_major;
	88	u8 bt_ver_minor;
	89	u8 bt_state;
6995fb80	90	u8 stomp_ftp;
db60428b	91	bool concur_tx;
2097fdd7	92	u32 last_recovery;
6af24c49 MSS	93	};
6af24c49 MSS	94
766ec4a9	95	struct ath_btcoex_hw {
46289e1e	96	enum ath_btcoex_scheme scheme;
6af24c49	97	struct ath9k_hw_mci mci;
8c1b3954	98	bool enabled;
f14462c6 VT	99	u8 wlanactive_gpio;
f14462c6 VT	100	u8 btactive_gpio;
1773912b	101	u8 btpriority_gpio;
1773912b VT	102	u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
	103	u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
	104	u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
54f10b05 RM	105	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
54f10b05 RM	106	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
db60428b	107	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
f14462c6 VT	108	};
f14462c6 VT	109
d68475de	110	void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
75d7839f LR	111	void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
75d7839f LR	112	void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
d3c83ac1	113	void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
766ec4a9	114	void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
5e197292 LR	115	void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
5e197292 LR	116	u32 bt_weight,
5160b46f SM	117	u32 wlan_weight,
5160b46f SM	118	enum ath_stomp_type stomp_type);
17d50d1d	119	void ath9k_hw_btcoex_disable(struct ath_hw *ah);
978f78bf VN	120	void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
978f78bf VN	121	enum ath_stomp_type stomp_type);
db60428b	122	void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw ah, u8 stomp_txprio);
2e20250a	123
17d50d1d	124	#endif