[mirror_ubuntu-kernels.git] / drivers / net / wireless / ath / ath9k / btcoex.h

/*
 * Copyright (c) 2009 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	5
#define ATH_BTACTIVE_GPIO	6
#define ATH_BTPRIORITY_GPIO	7

#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

enum ath_btcoex_scheme {
	ATH_BTCOEX_CFG_NONE,
	ATH_BTCOEX_CFG_2WIRE,
	ATH_BTCOEX_CFG_3WIRE,
};

struct ath_btcoex_hw {
	enum ath_btcoex_scheme scheme;
	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 */
};

bool ath9k_hw_btcoex_supported(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_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);

#endif
Commit	Line	Data
17d50d1d VT	1	/*
	2	* Copyright (c) 2009 Atheros Communications Inc.
	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
f14462c6 VT	22	#define ATH_WLANACTIVE_GPIO 5
f14462c6 VT	23	#define ATH_BTACTIVE_GPIO 6
8c8f9ba7	24	#define ATH_BTPRIORITY_GPIO 7
f14462c6	25
1773912b VT	26	#define ATH_BTCOEX_DEF_BT_PERIOD 45
1773912b VT	27	#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
58da1318	28	#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
1773912b VT	29	#define ATH_BTCOEX_BMISS_THRESH 50
	30
	31	#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
	32	#define ATH_BT_CNT_THRESHOLD 3
58da1318	33	#define ATH_BT_CNT_SCAN_THRESHOLD 15
1773912b	34
22f25d0d VT	35	enum ath_btcoex_scheme {
	36	ATH_BTCOEX_CFG_NONE,
	37	ATH_BTCOEX_CFG_2WIRE,
	38	ATH_BTCOEX_CFG_3WIRE,
	39	};
	40
766ec4a9	41	struct ath_btcoex_hw {
46289e1e	42	enum ath_btcoex_scheme scheme;
8c1b3954	43	bool enabled;
f14462c6 VT	44	u8 wlanactive_gpio;
f14462c6 VT	45	u8 btactive_gpio;
1773912b	46	u8 btpriority_gpio;
1773912b VT	47	u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
	48	u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
	49	u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
f14462c6 VT	50	};
f14462c6 VT	51
a36cfbca	52	bool ath9k_hw_btcoex_supported(struct ath_hw *ah);
75d7839f LR	53	void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
75d7839f LR	54	void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
766ec4a9	55	void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
5e197292 LR	56	void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
	57	u32 bt_weight,
	58	u32 wlan_weight);
17d50d1d VT	59	void ath9k_hw_btcoex_enable(struct ath_hw *ah);
17d50d1d VT	60	void ath9k_hw_btcoex_disable(struct ath_hw *ah);
2e20250a	61
17d50d1d	62	#endif