[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 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,
};

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;
};

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_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);
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
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
54f10b05 RM	39	#define AR9300_NUM_BT_WEIGHTS 4
54f10b05 RM	40	#define AR9300_NUM_WLAN_WEIGHTS 4
978f78bf VN	41	/* Defines the BT AR_BT_COEX_WGHT used */
978f78bf VN	42	enum ath_stomp_type {
978f78bf VN	43	ATH_BTCOEX_STOMP_ALL,
978f78bf VN	44	ATH_BTCOEX_STOMP_LOW,
54f10b05	45	ATH_BTCOEX_STOMP_NONE,
8227bf45	46	ATH_BTCOEX_STOMP_LOW_FTP,
54f10b05	47	ATH_BTCOEX_STOMP_MAX
978f78bf VN	48	};
978f78bf VN	49
22f25d0d VT	50	enum ath_btcoex_scheme {
	51	ATH_BTCOEX_CFG_NONE,
	52	ATH_BTCOEX_CFG_2WIRE,
	53	ATH_BTCOEX_CFG_3WIRE,
	54	};
	55
6af24c49 MSS	56	struct ath9k_hw_mci {
	57	u32 raw_intr;
	58	u32 rx_msg_intr;
	59	u32 cont_status;
	60	u32 gpm_addr;
	61	u32 gpm_len;
	62	u32 gpm_idx;
	63	u32 sched_addr;
	64	u32 wlan_channels[4];
	65	u32 wlan_cal_seq;
	66	u32 wlan_cal_done;
	67	u32 config;
	68	u8 *gpm_buf;
6af24c49 MSS	69	bool ready;
	70	bool update_2g5g;
	71	bool is_2g;
	72	bool query_bt;
	73	bool unhalt_bt_gpm; /* need send UNHALT */
	74	bool halted_bt_gpm; /* HALT sent */
	75	bool need_flush_btinfo;
	76	bool bt_version_known;
	77	bool wlan_channels_update;
	78	u8 wlan_ver_major;
	79	u8 wlan_ver_minor;
	80	u8 bt_ver_major;
	81	u8 bt_ver_minor;
	82	u8 bt_state;
	83	};
	84
766ec4a9	85	struct ath_btcoex_hw {
46289e1e	86	enum ath_btcoex_scheme scheme;
6af24c49	87	struct ath9k_hw_mci mci;
8c1b3954	88	bool enabled;
f14462c6 VT	89	u8 wlanactive_gpio;
f14462c6 VT	90	u8 btactive_gpio;
1773912b	91	u8 btpriority_gpio;
1773912b VT	92	u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
	93	u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
	94	u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
54f10b05 RM	95	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
54f10b05 RM	96	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
f14462c6 VT	97	};
f14462c6 VT	98
d68475de	99	void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
75d7839f LR	100	void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
75d7839f LR	101	void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
d3c83ac1	102	void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
766ec4a9	103	void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
5e197292 LR	104	void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
	105	u32 bt_weight,
	106	u32 wlan_weight);
17d50d1d	107	void ath9k_hw_btcoex_disable(struct ath_hw *ah);
978f78bf VN	108	void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
978f78bf VN	109	enum ath_stomp_type stomp_type);
2e20250a	110
17d50d1d	111	#endif