summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/mvm/fw-api-bt-coex.h
blob: 4ea5e24ca92d8da9a0a366a3ab0e0bf903f55ef1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2013 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2013 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifndef __fw_api_bt_coex_h__
#define __fw_api_bt_coex_h__

#include <linux/types.h>
#include <linux/bitops.h>

#define BITS(nb) (BIT(nb) - 1)

/**
 * enum iwl_bt_coex_flags - flags for BT_COEX command
 * @BT_CH_PRIMARY_EN:
 * @BT_CH_SECONDARY_EN:
 * @BT_NOTIF_COEX_OFF:
 * @BT_COEX_MODE_POS:
 * @BT_COEX_MODE_MSK:
 * @BT_COEX_DISABLE:
 * @BT_COEX_2W:
 * @BT_COEX_3W:
 * @BT_COEX_NW:
 * @BT_USE_DEFAULTS:
 * @BT_SYNC_2_BT_DISABLE:
 * @BT_COEX_CORUNNING_TBL_EN:
 *
 * The COEX_MODE must be set for each command. Even if it is not changed.
 */
enum iwl_bt_coex_flags {
	BT_CH_PRIMARY_EN		= BIT(0),
	BT_CH_SECONDARY_EN		= BIT(1),
	BT_NOTIF_COEX_OFF		= BIT(2),
	BT_COEX_MODE_POS		= 3,
	BT_COEX_MODE_MSK		= BITS(3) << BT_COEX_MODE_POS,
	BT_COEX_DISABLE			= 0x0 << BT_COEX_MODE_POS,
	BT_COEX_2W			= 0x1 << BT_COEX_MODE_POS,
	BT_COEX_3W			= 0x2 << BT_COEX_MODE_POS,
	BT_COEX_NW			= 0x3 << BT_COEX_MODE_POS,
	BT_USE_DEFAULTS			= BIT(6),
	BT_SYNC_2_BT_DISABLE		= BIT(7),
	BT_COEX_CORUNNING_TBL_EN	= BIT(8),
	BT_COEX_MPLUT_TBL_EN		= BIT(9),
	/* Bit 10 is reserved */
	BT_COEX_WF_PRIO_BOOST_CHECK_EN	= BIT(11),
};

/*
 * indicates what has changed in the BT_COEX command.
 * BT_VALID_ENABLE must be set for each command. Commands without this bit will
 * discarded by the firmware
 */
enum iwl_bt_coex_valid_bit_msk {
	BT_VALID_ENABLE			= BIT(0),
	BT_VALID_BT_PRIO_BOOST		= BIT(1),
	BT_VALID_MAX_KILL		= BIT(2),
	BT_VALID_3W_TMRS		= BIT(3),
	BT_VALID_KILL_ACK		= BIT(4),
	BT_VALID_KILL_CTS		= BIT(5),
	BT_VALID_REDUCED_TX_POWER	= BIT(6),
	BT_VALID_LUT			= BIT(7),
	BT_VALID_WIFI_RX_SW_PRIO_BOOST	= BIT(8),
	BT_VALID_WIFI_TX_SW_PRIO_BOOST	= BIT(9),
	BT_VALID_MULTI_PRIO_LUT		= BIT(10),
	BT_VALID_TRM_KICK_FILTER	= BIT(11),
	BT_VALID_CORUN_LUT_20		= BIT(12),
	BT_VALID_CORUN_LUT_40		= BIT(13),
	BT_VALID_ANT_ISOLATION		= BIT(14),
	BT_VALID_ANT_ISOLATION_THRS	= BIT(15),
	BT_VALID_TXTX_DELTA_FREQ_THRS	= BIT(16),
	BT_VALID_TXRX_MAX_FREQ_0	= BIT(17),
};

/**
 * enum iwl_bt_reduced_tx_power - allows to reduce txpower for WiFi frames.
 * @BT_REDUCED_TX_POWER_CTL: reduce Tx power for control frames
 * @BT_REDUCED_TX_POWER_DATA: reduce Tx power for data frames
 *
 * This mechanism allows to have BT and WiFi run concurrently. Since WiFi
 * reduces its Tx power, it can work along with BT, hence reducing the amount
 * of WiFi frames being killed by BT.
 */
enum iwl_bt_reduced_tx_power {
	BT_REDUCED_TX_POWER_CTL		= BIT(0),
	BT_REDUCED_TX_POWER_DATA	= BIT(1),
};

enum iwl_bt_coex_lut_type {
	BT_COEX_TIGHT_LUT = 0,
	BT_COEX_LOOSE_LUT,
	BT_COEX_TX_DIS_LUT,

	BT_COEX_MAX_LUT,
};

#define BT_COEX_LUT_SIZE (12)
#define BT_COEX_CORUN_LUT_SIZE (32)
#define BT_COEX_MULTI_PRIO_LUT_SIZE (2)
#define BT_COEX_BOOST_SIZE (4)
#define BT_REDUCED_TX_POWER_BIT BIT(7)

/**
 * struct iwl_bt_coex_cmd - bt coex configuration command
 * @flags:&enum iwl_bt_coex_flags
 * @max_kill:
 * @bt_reduced_tx_power: enum %iwl_bt_reduced_tx_power
 * @bt4_antenna_isolation:
 * @bt4_antenna_isolation_thr:
 * @bt4_tx_tx_delta_freq_thr:
 * @bt4_tx_rx_max_freq0:
 * @bt_prio_boost:
 * @wifi_tx_prio_boost: SW boost of wifi tx priority
 * @wifi_rx_prio_boost: SW boost of wifi rx priority
 * @kill_ack_msk:
 * @kill_cts_msk:
 * @decision_lut:
 * @bt4_multiprio_lut:
 * @bt4_corun_lut20:
 * @bt4_corun_lut40:
 * @valid_bit_msk: enum %iwl_bt_coex_valid_bit_msk
 *
 * The structure is used for the BT_COEX command.
 */
struct iwl_bt_coex_cmd {
	__le32 flags;
	u8 max_kill;
	u8 bt_reduced_tx_power;
	u8 reserved[2];

	u8 bt4_antenna_isolation;
	u8 bt4_antenna_isolation_thr;
	u8 bt4_tx_tx_delta_freq_thr;
	u8 bt4_tx_rx_max_freq0;

	__le32 bt_prio_boost[BT_COEX_BOOST_SIZE];
	__le32 wifi_tx_prio_boost;
	__le32 wifi_rx_prio_boost;
	__le32 kill_ack_msk;
	__le32 kill_cts_msk;

	__le32 decision_lut[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE];
	__le32 bt4_multiprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE];
	__le32 bt4_corun_lut20[BT_COEX_CORUN_LUT_SIZE];
	__le32 bt4_corun_lut40[BT_COEX_CORUN_LUT_SIZE];

	__le32 valid_bit_msk;
} __packed; /* BT_COEX_CMD_API_S_VER_3 */

/**
 * struct iwl_bt_coex_ci_cmd - bt coex channel inhibition command
 * @bt_primary_ci:
 * @bt_secondary_ci:
 * @co_run_bw_primary:
 * @co_run_bw_secondary:
 * @primary_ch_phy_id:
 * @secondary_ch_phy_id:
 *
 * Used for BT_COEX_CI command
 */
struct iwl_bt_coex_ci_cmd {
	__le64 bt_primary_ci;
	__le64 bt_secondary_ci;

	u8 co_run_bw_primary;
	u8 co_run_bw_secondary;
	u8 primary_ch_phy_id;
	u8 secondary_ch_phy_id;
} __packed; /* BT_CI_MSG_API_S_VER_1 */

#define BT_MBOX(n_dw, _msg, _pos, _nbits)	\
	BT_MBOX##n_dw##_##_msg##_POS = (_pos),	\
	BT_MBOX##n_dw##_##_msg = BITS(_nbits) << BT_MBOX##n_dw##_##_msg##_POS

enum iwl_bt_mxbox_dw0 {
	BT_MBOX(0, LE_SLAVE_LAT, 0, 3),
	BT_MBOX(0, LE_PROF1, 3, 1),
	BT_MBOX(0, LE_PROF2, 4, 1),
	BT_MBOX(0, LE_PROF_OTHER, 5, 1),
	BT_MBOX(0, CHL_SEQ_N, 8, 4),
	BT_MBOX(0, INBAND_S, 13, 1),
	BT_MBOX(0, LE_MIN_RSSI, 16, 4),
	BT_MBOX(0, LE_SCAN, 20, 1),
	BT_MBOX(0, LE_ADV, 21, 1),
	BT_MBOX(0, LE_MAX_TX_POWER, 24, 4),
	BT_MBOX(0, OPEN_CON_1, 28, 2),
};

enum iwl_bt_mxbox_dw1 {
	BT_MBOX(1, BR_MAX_TX_POWER, 0, 4),
	BT_MBOX(1, IP_SR, 4, 1),
	BT_MBOX(1, LE_MSTR, 5, 1),
	BT_MBOX(1, AGGR_TRFC_LD, 8, 6),
	BT_MBOX(1, MSG_TYPE, 16, 3),
	BT_MBOX(1, SSN, 19, 2),
};

enum iwl_bt_mxbox_dw2 {
	BT_MBOX(2, SNIFF_ACT, 0, 3),
	BT_MBOX(2, PAG, 3, 1),
	BT_MBOX(2, INQUIRY, 4, 1),
	BT_MBOX(2, CONN, 5, 1),
	BT_MBOX(2, SNIFF_INTERVAL, 8, 5),
	BT_MBOX(2, DISC, 13, 1),
	BT_MBOX(2, SCO_TX_ACT, 16, 2),
	BT_MBOX(2, SCO_RX_ACT, 18, 2),
	BT_MBOX(2, ESCO_RE_TX, 20, 2),
	BT_MBOX(2, SCO_DURATION, 24, 6),
};

enum iwl_bt_mxbox_dw3 {
	BT_MBOX(3, SCO_STATE, 0, 1),
	BT_MBOX(3, SNIFF_STATE, 1, 1),
	BT_MBOX(3, A2DP_STATE, 2, 1),
	BT_MBOX(3, ACL_STATE, 3, 1),
	BT_MBOX(3, MSTR_STATE, 4, 1),
	BT_MBOX(3, OBX_STATE, 5, 1),
	BT_MBOX(3, OPEN_CON_2, 8, 2),
	BT_MBOX(3, TRAFFIC_LOAD, 10, 2),
	BT_MBOX(3, CHL_SEQN_LSB, 12, 1),
	BT_MBOX(3, INBAND_P, 13, 1),
	BT_MBOX(3, MSG_TYPE_2, 16, 3),
	BT_MBOX(3, SSN_2, 19, 2),
	BT_MBOX(3, UPDATE_REQUEST, 21, 1),
};

#define BT_MBOX_MSG(_notif, _num, _field)				     \
	((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
	>> BT_MBOX##_num##_##_field##_POS)

enum iwl_bt_activity_grading {
	BT_OFF			= 0,
	BT_ON_NO_CONNECTION	= 1,
	BT_LOW_TRAFFIC		= 2,
	BT_HIGH_TRAFFIC		= 3,
};

/**
 * struct iwl_bt_coex_profile_notif - notification about BT coex
 * @mbox_msg: message from BT to WiFi
 * @msg_idx: the index of the message
 * @bt_status: 0 - off, 1 - on
 * @bt_open_conn: number of BT connections open
 * @bt_traffic_load: load of BT traffic
 * @bt_agg_traffic_load: aggregated load of BT traffic
 * @bt_ci_compliance: 0 - no CI compliance, 1 - CI compliant
 * @primary_ch_lut: LUT used for primary channel
 * @secondary_ch_lut: LUT used for secondary channel
 * @bt_activity_grading: the activity of BT enum %iwl_bt_activity_grading
 */
struct iwl_bt_coex_profile_notif {
	__le32 mbox_msg[4];
	__le32 msg_idx;
	u8 bt_status;
	u8 bt_open_conn;
	u8 bt_traffic_load;
	u8 bt_agg_traffic_load;
	u8 bt_ci_compliance;
	u8 reserved[3];

	__le32 primary_ch_lut;
	__le32 secondary_ch_lut;
	__le32 bt_activity_grading;
} __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_2 */

enum iwl_bt_coex_prio_table_event {
	BT_COEX_PRIO_TBL_EVT_INIT_CALIB1		= 0,
	BT_COEX_PRIO_TBL_EVT_INIT_CALIB2		= 1,
	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1	= 2,
	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2	= 3,
	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1	= 4,
	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2	= 5,
	BT_COEX_PRIO_TBL_EVT_DTIM			= 6,
	BT_COEX_PRIO_TBL_EVT_SCAN52			= 7,
	BT_COEX_PRIO_TBL_EVT_SCAN24			= 8,
	BT_COEX_PRIO_TBL_EVT_IDLE			= 9,
	BT_COEX_PRIO_TBL_EVT_MAX			= 16,
}; /* BT_COEX_PRIO_TABLE_EVENTS_API_E_VER_1 */

enum iwl_bt_coex_prio_table_prio {
	BT_COEX_PRIO_TBL_DISABLED	= 0,
	BT_COEX_PRIO_TBL_PRIO_LOW	= 1,
	BT_COEX_PRIO_TBL_PRIO_HIGH	= 2,
	BT_COEX_PRIO_TBL_PRIO_BYPASS	= 3,
	BT_COEX_PRIO_TBL_PRIO_COEX_OFF	= 4,
	BT_COEX_PRIO_TBL_PRIO_COEX_ON	= 5,
	BT_COEX_PRIO_TBL_PRIO_COEX_IDLE = 6,
	BT_COEX_PRIO_TBL_MAX		= 8,
}; /* BT_COEX_PRIO_TABLE_PRIORITIES_API_E_VER_1 */

#define BT_COEX_PRIO_TBL_SHRD_ANT_POS     (0)
#define BT_COEX_PRIO_TBL_PRIO_POS         (1)
#define BT_COEX_PRIO_TBL_RESERVED_POS     (4)

/**
 * struct iwl_bt_coex_prio_tbl_cmd - priority table for BT coex
 * @prio_tbl:
 */
struct iwl_bt_coex_prio_tbl_cmd {
	u8 prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX];
} __packed;

#endif /* __fw_api_bt_coex_h__ */