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1/*
2 * Copyright (c) 2009-2011 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
20#include "hw.h"
21
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
29
30#define ATH_BTCOEX_DEF_BT_PERIOD 45
31#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
32#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
33#define ATH_BTCOEX_BMISS_THRESH 50
34
35#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
36#define ATH_BT_CNT_THRESHOLD 3
37#define ATH_BT_CNT_SCAN_THRESHOLD 15
38
39/* Defines the BT AR_BT_COEX_WGHT used */
40enum ath_stomp_type {
41 ATH_BTCOEX_NO_STOMP,
42 ATH_BTCOEX_STOMP_ALL,
43 ATH_BTCOEX_STOMP_LOW,
44 ATH_BTCOEX_STOMP_NONE
45};
46
47enum ath_btcoex_scheme {
48 ATH_BTCOEX_CFG_NONE,
49 ATH_BTCOEX_CFG_2WIRE,
50 ATH_BTCOEX_CFG_3WIRE,
51};
52
53struct ath_btcoex_hw {
54 enum ath_btcoex_scheme scheme;
55 bool enabled;
56 u8 wlanactive_gpio;
57 u8 btactive_gpio;
58 u8 btpriority_gpio;
59 u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
60 u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
61 u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
62};
63
64void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
65void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
66void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
67void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
68 u32 bt_weight,
69 u32 wlan_weight);
70void ath9k_hw_btcoex_enable(struct ath_hw *ah);
71void ath9k_hw_btcoex_disable(struct ath_hw *ah);
72void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
73 enum ath_stomp_type stomp_type);
74
75#endif
1/*
2 * Copyright (c) 2009-2011 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
20#include "hw.h"
21
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
29
30#define ATH_BTCOEX_DEF_BT_PERIOD 45
31#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
32#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
33#define ATH_BTCOEX_BMISS_THRESH 50
34
35#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
36#define ATH_BT_CNT_THRESHOLD 3
37#define ATH_BT_CNT_SCAN_THRESHOLD 15
38
39#define AR9300_NUM_BT_WEIGHTS 4
40#define AR9300_NUM_WLAN_WEIGHTS 4
41/* Defines the BT AR_BT_COEX_WGHT used */
42enum ath_stomp_type {
43 ATH_BTCOEX_STOMP_ALL,
44 ATH_BTCOEX_STOMP_LOW,
45 ATH_BTCOEX_STOMP_NONE,
46 ATH_BTCOEX_STOMP_LOW_FTP,
47 ATH_BTCOEX_STOMP_MAX
48};
49
50enum ath_btcoex_scheme {
51 ATH_BTCOEX_CFG_NONE,
52 ATH_BTCOEX_CFG_2WIRE,
53 ATH_BTCOEX_CFG_3WIRE,
54};
55
56struct 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;
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
85struct ath_btcoex_hw {
86 enum ath_btcoex_scheme scheme;
87 struct ath9k_hw_mci mci;
88 bool enabled;
89 u8 wlanactive_gpio;
90 u8 btactive_gpio;
91 u8 btpriority_gpio;
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 */
95 u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
96 u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
97};
98
99void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
100void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
101void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
102void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
103void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
104void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
105 u32 bt_weight,
106 u32 wlan_weight);
107void ath9k_hw_btcoex_disable(struct ath_hw *ah);
108void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
109 enum ath_stomp_type stomp_type);
110
111#endif