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1/*
2 * Copyright (c) 2010-2011 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 AR9003_MCI_H
18#define AR9003_MCI_H
19
20#define MCI_FLAG_DISABLE_TIMESTAMP 0x00000001 /* Disable time stamp */
21
22/* Default remote BT device MCI COEX version */
23#define MCI_GPM_COEX_MAJOR_VERSION_DEFAULT 3
24#define MCI_GPM_COEX_MINOR_VERSION_DEFAULT 0
25
26/* Local WLAN MCI COEX version */
27#define MCI_GPM_COEX_MAJOR_VERSION_WLAN 3
28#define MCI_GPM_COEX_MINOR_VERSION_WLAN 0
29
30enum mci_gpm_coex_query_type {
31 MCI_GPM_COEX_QUERY_BT_ALL_INFO = BIT(0),
32 MCI_GPM_COEX_QUERY_BT_TOPOLOGY = BIT(1),
33 MCI_GPM_COEX_QUERY_BT_DEBUG = BIT(2),
34};
35
36enum mci_gpm_coex_halt_bt_gpm {
37 MCI_GPM_COEX_BT_GPM_UNHALT,
38 MCI_GPM_COEX_BT_GPM_HALT
39};
40
41enum mci_gpm_coex_bt_update_flags_op {
42 MCI_GPM_COEX_BT_FLAGS_READ,
43 MCI_GPM_COEX_BT_FLAGS_SET,
44 MCI_GPM_COEX_BT_FLAGS_CLEAR
45};
46
47#define MCI_NUM_BT_CHANNELS 79
48
49#define MCI_BT_MCI_FLAGS_UPDATE_CORR 0x00000002
50#define MCI_BT_MCI_FLAGS_UPDATE_HDR 0x00000004
51#define MCI_BT_MCI_FLAGS_UPDATE_PLD 0x00000008
52#define MCI_BT_MCI_FLAGS_LNA_CTRL 0x00000010
53#define MCI_BT_MCI_FLAGS_DEBUG 0x00000020
54#define MCI_BT_MCI_FLAGS_SCHED_MSG 0x00000040
55#define MCI_BT_MCI_FLAGS_CONT_MSG 0x00000080
56#define MCI_BT_MCI_FLAGS_COEX_GPM 0x00000100
57#define MCI_BT_MCI_FLAGS_CPU_INT_MSG 0x00000200
58#define MCI_BT_MCI_FLAGS_MCI_MODE 0x00000400
59#define MCI_BT_MCI_FLAGS_AR9462_MODE 0x00001000
60#define MCI_BT_MCI_FLAGS_OTHER 0x00010000
61
62#define MCI_DEFAULT_BT_MCI_FLAGS 0x00011dde
63
64#define MCI_TOGGLE_BT_MCI_FLAGS (MCI_BT_MCI_FLAGS_UPDATE_CORR | \
65 MCI_BT_MCI_FLAGS_UPDATE_HDR | \
66 MCI_BT_MCI_FLAGS_UPDATE_PLD | \
67 MCI_BT_MCI_FLAGS_MCI_MODE)
68
69#define MCI_2G_FLAGS_CLEAR_MASK 0x00000000
70#define MCI_2G_FLAGS_SET_MASK MCI_TOGGLE_BT_MCI_FLAGS
71#define MCI_2G_FLAGS MCI_DEFAULT_BT_MCI_FLAGS
72
73#define MCI_5G_FLAGS_CLEAR_MASK MCI_TOGGLE_BT_MCI_FLAGS
74#define MCI_5G_FLAGS_SET_MASK 0x00000000
75#define MCI_5G_FLAGS (MCI_DEFAULT_BT_MCI_FLAGS & \
76 ~MCI_TOGGLE_BT_MCI_FLAGS)
77
78/*
79 * Default value for AR9462 is 0x00002201
80 */
81#define ATH_MCI_CONFIG_CONCUR_TX 0x00000003
82#define ATH_MCI_CONFIG_MCI_OBS_MCI 0x00000004
83#define ATH_MCI_CONFIG_MCI_OBS_TXRX 0x00000008
84#define ATH_MCI_CONFIG_MCI_OBS_BT 0x00000010
85#define ATH_MCI_CONFIG_DISABLE_MCI_CAL 0x00000020
86#define ATH_MCI_CONFIG_DISABLE_OSLA 0x00000040
87#define ATH_MCI_CONFIG_DISABLE_FTP_STOMP 0x00000080
88#define ATH_MCI_CONFIG_AGGR_THRESH 0x00000700
89#define ATH_MCI_CONFIG_AGGR_THRESH_S 8
90#define ATH_MCI_CONFIG_DISABLE_AGGR_THRESH 0x00000800
91#define ATH_MCI_CONFIG_CLK_DIV 0x00003000
92#define ATH_MCI_CONFIG_CLK_DIV_S 12
93#define ATH_MCI_CONFIG_DISABLE_TUNING 0x00004000
94#define ATH_MCI_CONFIG_MCI_WEIGHT_DBG 0x40000000
95#define ATH_MCI_CONFIG_DISABLE_MCI 0x80000000
96
97#define ATH_MCI_CONFIG_MCI_OBS_MASK (ATH_MCI_CONFIG_MCI_OBS_MCI | \
98 ATH_MCI_CONFIG_MCI_OBS_TXRX | \
99 ATH_MCI_CONFIG_MCI_OBS_BT)
100#define ATH_MCI_CONFIG_MCI_OBS_GPIO 0x0000002F
101
102enum mci_message_header { /* length of payload */
103 MCI_LNA_CTRL = 0x10, /* len = 0 */
104 MCI_CONT_NACK = 0x20, /* len = 0 */
105 MCI_CONT_INFO = 0x30, /* len = 4 */
106 MCI_CONT_RST = 0x40, /* len = 0 */
107 MCI_SCHD_INFO = 0x50, /* len = 16 */
108 MCI_CPU_INT = 0x60, /* len = 4 */
109 MCI_SYS_WAKING = 0x70, /* len = 0 */
110 MCI_GPM = 0x80, /* len = 16 */
111 MCI_LNA_INFO = 0x90, /* len = 1 */
112 MCI_LNA_STATE = 0x94,
113 MCI_LNA_TAKE = 0x98,
114 MCI_LNA_TRANS = 0x9c,
115 MCI_SYS_SLEEPING = 0xa0, /* len = 0 */
116 MCI_REQ_WAKE = 0xc0, /* len = 0 */
117 MCI_DEBUG_16 = 0xfe, /* len = 2 */
118 MCI_REMOTE_RESET = 0xff /* len = 16 */
119};
120
121enum ath_mci_gpm_coex_profile_type {
122 MCI_GPM_COEX_PROFILE_UNKNOWN,
123 MCI_GPM_COEX_PROFILE_RFCOMM,
124 MCI_GPM_COEX_PROFILE_A2DP,
125 MCI_GPM_COEX_PROFILE_HID,
126 MCI_GPM_COEX_PROFILE_BNEP,
127 MCI_GPM_COEX_PROFILE_VOICE,
128 MCI_GPM_COEX_PROFILE_MAX
129};
130
131/* MCI GPM/Coex opcode/type definitions */
132enum {
133 MCI_GPM_COEX_W_GPM_PAYLOAD = 1,
134 MCI_GPM_COEX_B_GPM_TYPE = 4,
135 MCI_GPM_COEX_B_GPM_OPCODE = 5,
136 /* MCI_GPM_WLAN_CAL_REQ, MCI_GPM_WLAN_CAL_DONE */
137 MCI_GPM_WLAN_CAL_W_SEQUENCE = 2,
138
139 /* MCI_GPM_COEX_VERSION_QUERY */
140 /* MCI_GPM_COEX_VERSION_RESPONSE */
141 MCI_GPM_COEX_B_MAJOR_VERSION = 6,
142 MCI_GPM_COEX_B_MINOR_VERSION = 7,
143 /* MCI_GPM_COEX_STATUS_QUERY */
144 MCI_GPM_COEX_B_BT_BITMAP = 6,
145 MCI_GPM_COEX_B_WLAN_BITMAP = 7,
146 /* MCI_GPM_COEX_HALT_BT_GPM */
147 MCI_GPM_COEX_B_HALT_STATE = 6,
148 /* MCI_GPM_COEX_WLAN_CHANNELS */
149 MCI_GPM_COEX_B_CHANNEL_MAP = 6,
150 /* MCI_GPM_COEX_BT_PROFILE_INFO */
151 MCI_GPM_COEX_B_PROFILE_TYPE = 6,
152 MCI_GPM_COEX_B_PROFILE_LINKID = 7,
153 MCI_GPM_COEX_B_PROFILE_STATE = 8,
154 MCI_GPM_COEX_B_PROFILE_ROLE = 9,
155 MCI_GPM_COEX_B_PROFILE_RATE = 10,
156 MCI_GPM_COEX_B_PROFILE_VOTYPE = 11,
157 MCI_GPM_COEX_H_PROFILE_T = 12,
158 MCI_GPM_COEX_B_PROFILE_W = 14,
159 MCI_GPM_COEX_B_PROFILE_A = 15,
160 /* MCI_GPM_COEX_BT_STATUS_UPDATE */
161 MCI_GPM_COEX_B_STATUS_TYPE = 6,
162 MCI_GPM_COEX_B_STATUS_LINKID = 7,
163 MCI_GPM_COEX_B_STATUS_STATE = 8,
164 /* MCI_GPM_COEX_BT_UPDATE_FLAGS */
165 MCI_GPM_COEX_W_BT_FLAGS = 6,
166 MCI_GPM_COEX_B_BT_FLAGS_OP = 10
167};
168
169enum mci_gpm_subtype {
170 MCI_GPM_BT_CAL_REQ = 0,
171 MCI_GPM_BT_CAL_GRANT = 1,
172 MCI_GPM_BT_CAL_DONE = 2,
173 MCI_GPM_WLAN_CAL_REQ = 3,
174 MCI_GPM_WLAN_CAL_GRANT = 4,
175 MCI_GPM_WLAN_CAL_DONE = 5,
176 MCI_GPM_COEX_AGENT = 0x0c,
177 MCI_GPM_RSVD_PATTERN = 0xfe,
178 MCI_GPM_RSVD_PATTERN32 = 0xfefefefe,
179 MCI_GPM_BT_DEBUG = 0xff
180};
181
182enum mci_bt_state {
183 MCI_BT_SLEEP,
184 MCI_BT_AWAKE,
185 MCI_BT_CAL_START,
186 MCI_BT_CAL
187};
188
189/* Type of state query */
190enum mci_state_type {
191 MCI_STATE_ENABLE,
192 MCI_STATE_INIT_GPM_OFFSET,
193 MCI_STATE_NEXT_GPM_OFFSET,
194 MCI_STATE_LAST_GPM_OFFSET,
195 MCI_STATE_BT,
196 MCI_STATE_SET_BT_SLEEP,
197 MCI_STATE_SET_BT_AWAKE,
198 MCI_STATE_SET_BT_CAL_START,
199 MCI_STATE_SET_BT_CAL,
200 MCI_STATE_LAST_SCHD_MSG_OFFSET,
201 MCI_STATE_REMOTE_SLEEP,
202 MCI_STATE_CONT_RSSI_POWER,
203 MCI_STATE_CONT_PRIORITY,
204 MCI_STATE_CONT_TXRX,
205 MCI_STATE_RESET_REQ_WAKE,
206 MCI_STATE_SEND_WLAN_COEX_VERSION,
207 MCI_STATE_SET_BT_COEX_VERSION,
208 MCI_STATE_SEND_WLAN_CHANNELS,
209 MCI_STATE_SEND_VERSION_QUERY,
210 MCI_STATE_SEND_STATUS_QUERY,
211 MCI_STATE_NEED_FLUSH_BT_INFO,
212 MCI_STATE_SET_CONCUR_TX_PRI,
213 MCI_STATE_RECOVER_RX,
214 MCI_STATE_NEED_FTP_STOMP,
215 MCI_STATE_NEED_TUNING,
216 MCI_STATE_DEBUG,
217 MCI_STATE_MAX
218};
219
220enum mci_gpm_coex_opcode {
221 MCI_GPM_COEX_VERSION_QUERY,
222 MCI_GPM_COEX_VERSION_RESPONSE,
223 MCI_GPM_COEX_STATUS_QUERY,
224 MCI_GPM_COEX_HALT_BT_GPM,
225 MCI_GPM_COEX_WLAN_CHANNELS,
226 MCI_GPM_COEX_BT_PROFILE_INFO,
227 MCI_GPM_COEX_BT_STATUS_UPDATE,
228 MCI_GPM_COEX_BT_UPDATE_FLAGS
229};
230
231#define MCI_GPM_NOMORE 0
232#define MCI_GPM_MORE 1
233#define MCI_GPM_INVALID 0xffffffff
234
235#define MCI_GPM_RECYCLE(_p_gpm) do { \
236 *(((u32 *)_p_gpm) + MCI_GPM_COEX_W_GPM_PAYLOAD) = \
237 MCI_GPM_RSVD_PATTERN32; \
238} while (0)
239
240#define MCI_GPM_TYPE(_p_gpm) \
241 (*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) & 0xff)
242
243#define MCI_GPM_OPCODE(_p_gpm) \
244 (*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) & 0xff)
245
246#define MCI_GPM_SET_CAL_TYPE(_p_gpm, _cal_type) do { \
247 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_cal_type) & 0xff;\
248} while (0)
249
250#define MCI_GPM_SET_TYPE_OPCODE(_p_gpm, _type, _opcode) do { \
251 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_type) & 0xff; \
252 *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) = (_opcode) & 0xff;\
253} while (0)
254
255#define MCI_GPM_IS_CAL_TYPE(_type) ((_type) <= MCI_GPM_WLAN_CAL_DONE)
256
257/*
258 * Functions that are available to the MCI driver core.
259 */
260bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
261 u32 *payload, u8 len, bool wait_done,
262 bool check_bt);
263u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data);
264void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
265 u16 len, u32 sched_addr);
266void ar9003_mci_cleanup(struct ath_hw *ah);
267void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
268 u32 *rx_msg_intr);
269
270/*
271 * These functions are used by ath9k_hw.
272 */
273
274#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
275
276static inline bool ar9003_mci_is_ready(struct ath_hw *ah)
277{
278 return ah->btcoex_hw.mci.ready;
279}
280void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep);
281void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
282void ar9003_mci_init_cal_done(struct ath_hw *ah);
283void ar9003_mci_set_full_sleep(struct ath_hw *ah);
284void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done);
285void ar9003_mci_check_bt(struct ath_hw *ah);
286bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan);
287int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
288 struct ath9k_hw_cal_data *caldata);
289void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
290 bool is_full_sleep);
291void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
292
293#else
294
295static inline bool ar9003_mci_is_ready(struct ath_hw *ah)
296{
297 return false;
298}
299static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
300{
301}
302static inline void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
303{
304}
305static inline void ar9003_mci_init_cal_done(struct ath_hw *ah)
306{
307}
308static inline void ar9003_mci_set_full_sleep(struct ath_hw *ah)
309{
310}
311static inline void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
312{
313}
314static inline void ar9003_mci_check_bt(struct ath_hw *ah)
315{
316}
317static inline bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
318{
319 return false;
320}
321static inline int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
322 struct ath9k_hw_cal_data *caldata)
323{
324 return 0;
325}
326static inline void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
327 bool is_full_sleep)
328{
329}
330static inline void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
331{
332}
333#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
334
335#endif