2 * Copyright (c) 2010-2011 Atheros Communications Inc.
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.
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.
20 #define MCI_FLAG_DISABLE_TIMESTAMP 0x00000001 /* Disable time stamp */
21 #define MCI_RECOVERY_DUR_TSF (100 * 1000) /* 100 ms */
23 /* Default remote BT device MCI COEX version */
24 #define MCI_GPM_COEX_MAJOR_VERSION_DEFAULT 3
25 #define MCI_GPM_COEX_MINOR_VERSION_DEFAULT 0
27 /* Local WLAN MCI COEX version */
28 #define MCI_GPM_COEX_MAJOR_VERSION_WLAN 3
29 #define MCI_GPM_COEX_MINOR_VERSION_WLAN 0
31 enum mci_gpm_coex_query_type {
32 MCI_GPM_COEX_QUERY_BT_ALL_INFO = BIT(0),
33 MCI_GPM_COEX_QUERY_BT_TOPOLOGY = BIT(1),
34 MCI_GPM_COEX_QUERY_BT_DEBUG = BIT(2),
37 enum mci_gpm_coex_halt_bt_gpm {
38 MCI_GPM_COEX_BT_GPM_UNHALT,
39 MCI_GPM_COEX_BT_GPM_HALT
42 enum mci_gpm_coex_bt_update_flags_op {
43 MCI_GPM_COEX_BT_FLAGS_READ,
44 MCI_GPM_COEX_BT_FLAGS_SET,
45 MCI_GPM_COEX_BT_FLAGS_CLEAR
48 #define MCI_NUM_BT_CHANNELS 79
50 #define MCI_BT_MCI_FLAGS_UPDATE_CORR 0x00000002
51 #define MCI_BT_MCI_FLAGS_UPDATE_HDR 0x00000004
52 #define MCI_BT_MCI_FLAGS_UPDATE_PLD 0x00000008
53 #define MCI_BT_MCI_FLAGS_LNA_CTRL 0x00000010
54 #define MCI_BT_MCI_FLAGS_DEBUG 0x00000020
55 #define MCI_BT_MCI_FLAGS_SCHED_MSG 0x00000040
56 #define MCI_BT_MCI_FLAGS_CONT_MSG 0x00000080
57 #define MCI_BT_MCI_FLAGS_COEX_GPM 0x00000100
58 #define MCI_BT_MCI_FLAGS_CPU_INT_MSG 0x00000200
59 #define MCI_BT_MCI_FLAGS_MCI_MODE 0x00000400
60 #define MCI_BT_MCI_FLAGS_AR9462_MODE 0x00001000
61 #define MCI_BT_MCI_FLAGS_OTHER 0x00010000
63 #define MCI_DEFAULT_BT_MCI_FLAGS 0x00011dde
65 #define MCI_TOGGLE_BT_MCI_FLAGS (MCI_BT_MCI_FLAGS_UPDATE_CORR | \
66 MCI_BT_MCI_FLAGS_UPDATE_HDR | \
67 MCI_BT_MCI_FLAGS_UPDATE_PLD | \
68 MCI_BT_MCI_FLAGS_MCI_MODE)
70 #define MCI_2G_FLAGS_CLEAR_MASK 0x00000000
71 #define MCI_2G_FLAGS_SET_MASK MCI_TOGGLE_BT_MCI_FLAGS
72 #define MCI_2G_FLAGS MCI_DEFAULT_BT_MCI_FLAGS
74 #define MCI_5G_FLAGS_CLEAR_MASK MCI_TOGGLE_BT_MCI_FLAGS
75 #define MCI_5G_FLAGS_SET_MASK 0x00000000
76 #define MCI_5G_FLAGS (MCI_DEFAULT_BT_MCI_FLAGS & \
77 ~MCI_TOGGLE_BT_MCI_FLAGS)
80 * Default value for AR9462 is 0x00002201
82 #define ATH_MCI_CONFIG_CONCUR_TX 0x00000003
83 #define ATH_MCI_CONFIG_MCI_OBS_MCI 0x00000004
84 #define ATH_MCI_CONFIG_MCI_OBS_TXRX 0x00000008
85 #define ATH_MCI_CONFIG_MCI_OBS_BT 0x00000010
86 #define ATH_MCI_CONFIG_DISABLE_MCI_CAL 0x00000020
87 #define ATH_MCI_CONFIG_DISABLE_OSLA 0x00000040
88 #define ATH_MCI_CONFIG_DISABLE_FTP_STOMP 0x00000080
89 #define ATH_MCI_CONFIG_AGGR_THRESH 0x00000700
90 #define ATH_MCI_CONFIG_AGGR_THRESH_S 8
91 #define ATH_MCI_CONFIG_DISABLE_AGGR_THRESH 0x00000800
92 #define ATH_MCI_CONFIG_CLK_DIV 0x00003000
93 #define ATH_MCI_CONFIG_CLK_DIV_S 12
94 #define ATH_MCI_CONFIG_DISABLE_TUNING 0x00004000
95 #define ATH_MCI_CONFIG_MCI_WEIGHT_DBG 0x40000000
96 #define ATH_MCI_CONFIG_DISABLE_MCI 0x80000000
98 #define ATH_MCI_CONFIG_MCI_OBS_MASK (ATH_MCI_CONFIG_MCI_OBS_MCI | \
99 ATH_MCI_CONFIG_MCI_OBS_TXRX | \
100 ATH_MCI_CONFIG_MCI_OBS_BT)
101 #define ATH_MCI_CONFIG_MCI_OBS_GPIO 0x0000002F
103 enum mci_message_header { /* length of payload */
104 MCI_LNA_CTRL = 0x10, /* len = 0 */
105 MCI_CONT_NACK = 0x20, /* len = 0 */
106 MCI_CONT_INFO = 0x30, /* len = 4 */
107 MCI_CONT_RST = 0x40, /* len = 0 */
108 MCI_SCHD_INFO = 0x50, /* len = 16 */
109 MCI_CPU_INT = 0x60, /* len = 4 */
110 MCI_SYS_WAKING = 0x70, /* len = 0 */
111 MCI_GPM = 0x80, /* len = 16 */
112 MCI_LNA_INFO = 0x90, /* len = 1 */
113 MCI_LNA_STATE = 0x94,
115 MCI_LNA_TRANS = 0x9c,
116 MCI_SYS_SLEEPING = 0xa0, /* len = 0 */
117 MCI_REQ_WAKE = 0xc0, /* len = 0 */
118 MCI_DEBUG_16 = 0xfe, /* len = 2 */
119 MCI_REMOTE_RESET = 0xff /* len = 16 */
122 enum ath_mci_gpm_coex_profile_type {
123 MCI_GPM_COEX_PROFILE_UNKNOWN,
124 MCI_GPM_COEX_PROFILE_RFCOMM,
125 MCI_GPM_COEX_PROFILE_A2DP,
126 MCI_GPM_COEX_PROFILE_HID,
127 MCI_GPM_COEX_PROFILE_BNEP,
128 MCI_GPM_COEX_PROFILE_VOICE,
129 MCI_GPM_COEX_PROFILE_A2DPVO,
130 MCI_GPM_COEX_PROFILE_MAX
133 /* MCI GPM/Coex opcode/type definitions */
135 MCI_GPM_COEX_W_GPM_PAYLOAD = 1,
136 MCI_GPM_COEX_B_GPM_TYPE = 4,
137 MCI_GPM_COEX_B_GPM_OPCODE = 5,
138 /* MCI_GPM_WLAN_CAL_REQ, MCI_GPM_WLAN_CAL_DONE */
139 MCI_GPM_WLAN_CAL_W_SEQUENCE = 2,
141 /* MCI_GPM_COEX_VERSION_QUERY */
142 /* MCI_GPM_COEX_VERSION_RESPONSE */
143 MCI_GPM_COEX_B_MAJOR_VERSION = 6,
144 MCI_GPM_COEX_B_MINOR_VERSION = 7,
145 /* MCI_GPM_COEX_STATUS_QUERY */
146 MCI_GPM_COEX_B_BT_BITMAP = 6,
147 MCI_GPM_COEX_B_WLAN_BITMAP = 7,
148 /* MCI_GPM_COEX_HALT_BT_GPM */
149 MCI_GPM_COEX_B_HALT_STATE = 6,
150 /* MCI_GPM_COEX_WLAN_CHANNELS */
151 MCI_GPM_COEX_B_CHANNEL_MAP = 6,
152 /* MCI_GPM_COEX_BT_PROFILE_INFO */
153 MCI_GPM_COEX_B_PROFILE_TYPE = 6,
154 MCI_GPM_COEX_B_PROFILE_LINKID = 7,
155 MCI_GPM_COEX_B_PROFILE_STATE = 8,
156 MCI_GPM_COEX_B_PROFILE_ROLE = 9,
157 MCI_GPM_COEX_B_PROFILE_RATE = 10,
158 MCI_GPM_COEX_B_PROFILE_VOTYPE = 11,
159 MCI_GPM_COEX_H_PROFILE_T = 12,
160 MCI_GPM_COEX_B_PROFILE_W = 14,
161 MCI_GPM_COEX_B_PROFILE_A = 15,
162 /* MCI_GPM_COEX_BT_STATUS_UPDATE */
163 MCI_GPM_COEX_B_STATUS_TYPE = 6,
164 MCI_GPM_COEX_B_STATUS_LINKID = 7,
165 MCI_GPM_COEX_B_STATUS_STATE = 8,
166 /* MCI_GPM_COEX_BT_UPDATE_FLAGS */
167 MCI_GPM_COEX_W_BT_FLAGS = 6,
168 MCI_GPM_COEX_B_BT_FLAGS_OP = 10
171 enum mci_gpm_subtype {
172 MCI_GPM_BT_CAL_REQ = 0,
173 MCI_GPM_BT_CAL_GRANT = 1,
174 MCI_GPM_BT_CAL_DONE = 2,
175 MCI_GPM_WLAN_CAL_REQ = 3,
176 MCI_GPM_WLAN_CAL_GRANT = 4,
177 MCI_GPM_WLAN_CAL_DONE = 5,
178 MCI_GPM_COEX_AGENT = 0x0c,
179 MCI_GPM_RSVD_PATTERN = 0xfe,
180 MCI_GPM_RSVD_PATTERN32 = 0xfefefefe,
181 MCI_GPM_BT_DEBUG = 0xff
191 /* Type of state query */
192 enum mci_state_type {
194 MCI_STATE_SET_BT_AWAKE,
195 MCI_STATE_LAST_SCHD_MSG_OFFSET,
196 MCI_STATE_REMOTE_SLEEP,
197 MCI_STATE_RESET_REQ_WAKE,
198 MCI_STATE_SEND_WLAN_COEX_VERSION,
199 MCI_STATE_SEND_VERSION_QUERY,
200 MCI_STATE_SEND_STATUS_QUERY,
201 MCI_STATE_RECOVER_RX,
202 MCI_STATE_NEED_FTP_STOMP,
204 MCI_STATE_NEED_FLUSH_BT_INFO,
208 enum mci_gpm_coex_opcode {
209 MCI_GPM_COEX_VERSION_QUERY,
210 MCI_GPM_COEX_VERSION_RESPONSE,
211 MCI_GPM_COEX_STATUS_QUERY,
212 MCI_GPM_COEX_HALT_BT_GPM,
213 MCI_GPM_COEX_WLAN_CHANNELS,
214 MCI_GPM_COEX_BT_PROFILE_INFO,
215 MCI_GPM_COEX_BT_STATUS_UPDATE,
216 MCI_GPM_COEX_BT_UPDATE_FLAGS,
220 #define MCI_GPM_NOMORE 0
221 #define MCI_GPM_MORE 1
222 #define MCI_GPM_INVALID 0xffffffff
224 #define MCI_GPM_RECYCLE(_p_gpm) do { \
225 *(((u32 *)_p_gpm) + MCI_GPM_COEX_W_GPM_PAYLOAD) = \
226 MCI_GPM_RSVD_PATTERN32; \
229 #define MCI_GPM_TYPE(_p_gpm) \
230 (*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) & 0xff)
232 #define MCI_GPM_OPCODE(_p_gpm) \
233 (*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) & 0xff)
235 #define MCI_GPM_SET_CAL_TYPE(_p_gpm, _cal_type) do { \
236 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_cal_type) & 0xff;\
239 #define MCI_GPM_SET_TYPE_OPCODE(_p_gpm, _type, _opcode) do { \
240 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_type) & 0xff; \
241 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) = (_opcode) & 0xff;\
244 #define MCI_GPM_IS_CAL_TYPE(_type) ((_type) <= MCI_GPM_WLAN_CAL_DONE)
247 * Functions that are available to the MCI driver core.
249 bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
250 u32 *payload, u8 len, bool wait_done,
252 u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type);
253 int ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
254 u16 len, u32 sched_addr);
255 void ar9003_mci_cleanup(struct ath_hw *ah);
256 void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
258 u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, bool first, u32 *more);
259 void ar9003_mci_set_bt_version(struct ath_hw *ah, u8 major, u8 minor);
260 void ar9003_mci_send_wlan_channels(struct ath_hw *ah);
262 * These functions are used by ath9k_hw.
265 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
267 void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep);
268 void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
269 void ar9003_mci_init_cal_done(struct ath_hw *ah);
270 void ar9003_mci_set_full_sleep(struct ath_hw *ah);
271 void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool force);
272 void ar9003_mci_check_bt(struct ath_hw *ah);
273 bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan);
274 int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
275 struct ath9k_hw_cal_data *caldata);
276 int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
278 void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
279 void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah);
280 void ar9003_mci_set_power_awake(struct ath_hw *ah);
281 void ar9003_mci_check_gpm_offset(struct ath_hw *ah);
282 u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode);
286 static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
289 static inline void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
292 static inline void ar9003_mci_init_cal_done(struct ath_hw *ah)
295 static inline void ar9003_mci_set_full_sleep(struct ath_hw *ah)
298 static inline void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
301 static inline void ar9003_mci_check_bt(struct ath_hw *ah)
304 static inline bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
308 static inline int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
309 struct ath9k_hw_cal_data *caldata)
313 static inline void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
317 static inline void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
320 static inline void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah)
323 static inline void ar9003_mci_set_power_awake(struct ath_hw *ah)
326 static inline void ar9003_mci_check_gpm_offset(struct ath_hw *ah)
329 static inline u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode)
333 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */