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1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
9  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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64 
65 #ifndef __fw_api_bt_coex_h__
66 #define __fw_api_bt_coex_h__
67 
68 #include <linux/types.h>
69 #include <linux/bitops.h>
70 
71 #define BITS(nb) (BIT(nb) - 1)
72 
73 /**
74  * enum iwl_bt_coex_flags - flags for BT_COEX command
75  * @BT_COEX_MODE_POS:
76  * @BT_COEX_MODE_MSK:
77  * @BT_COEX_DISABLE_OLD:
78  * @BT_COEX_2W_OLD:
79  * @BT_COEX_3W_OLD:
80  * @BT_COEX_NW_OLD:
81  * @BT_COEX_AUTO_OLD:
82  * @BT_COEX_BT_OLD: Antenna is for BT (manufacuring tests)
83  * @BT_COEX_WIFI_OLD: Antenna is for BT (manufacuring tests)
84  * @BT_COEX_SYNC2SCO:
85  * @BT_COEX_CORUNNING:
86  * @BT_COEX_MPLUT:
87  * @BT_COEX_TTC:
88  * @BT_COEX_RRC:
89  *
90  * The COEX_MODE must be set for each command. Even if it is not changed.
91  */
92 enum iwl_bt_coex_flags {
93 	BT_COEX_MODE_POS		= 3,
94 	BT_COEX_MODE_MSK		= BITS(3) << BT_COEX_MODE_POS,
95 	BT_COEX_DISABLE_OLD		= 0x0 << BT_COEX_MODE_POS,
96 	BT_COEX_2W_OLD			= 0x1 << BT_COEX_MODE_POS,
97 	BT_COEX_3W_OLD			= 0x2 << BT_COEX_MODE_POS,
98 	BT_COEX_NW_OLD			= 0x3 << BT_COEX_MODE_POS,
99 	BT_COEX_AUTO_OLD		= 0x5 << BT_COEX_MODE_POS,
100 	BT_COEX_BT_OLD			= 0x6 << BT_COEX_MODE_POS,
101 	BT_COEX_WIFI_OLD		= 0x7 << BT_COEX_MODE_POS,
102 	BT_COEX_SYNC2SCO		= BIT(7),
103 	BT_COEX_CORUNNING		= BIT(8),
104 	BT_COEX_MPLUT			= BIT(9),
105 	BT_COEX_TTC			= BIT(20),
106 	BT_COEX_RRC			= BIT(21),
107 };
108 
109 /*
110  * indicates what has changed in the BT_COEX command.
111  * BT_VALID_ENABLE must be set for each command. Commands without this bit will
112  * discarded by the firmware
113  */
114 enum iwl_bt_coex_valid_bit_msk {
115 	BT_VALID_ENABLE			= BIT(0),
116 	BT_VALID_BT_PRIO_BOOST		= BIT(1),
117 	BT_VALID_MAX_KILL		= BIT(2),
118 	BT_VALID_3W_TMRS		= BIT(3),
119 	BT_VALID_KILL_ACK		= BIT(4),
120 	BT_VALID_KILL_CTS		= BIT(5),
121 	BT_VALID_REDUCED_TX_POWER	= BIT(6),
122 	BT_VALID_LUT			= BIT(7),
123 	BT_VALID_WIFI_RX_SW_PRIO_BOOST	= BIT(8),
124 	BT_VALID_WIFI_TX_SW_PRIO_BOOST	= BIT(9),
125 	BT_VALID_MULTI_PRIO_LUT		= BIT(10),
126 	BT_VALID_TRM_KICK_FILTER	= BIT(11),
127 	BT_VALID_CORUN_LUT_20		= BIT(12),
128 	BT_VALID_CORUN_LUT_40		= BIT(13),
129 	BT_VALID_ANT_ISOLATION		= BIT(14),
130 	BT_VALID_ANT_ISOLATION_THRS	= BIT(15),
131 	BT_VALID_TXTX_DELTA_FREQ_THRS	= BIT(16),
132 	BT_VALID_TXRX_MAX_FREQ_0	= BIT(17),
133 	BT_VALID_SYNC_TO_SCO		= BIT(18),
134 	BT_VALID_TTC			= BIT(20),
135 	BT_VALID_RRC			= BIT(21),
136 };
137 
138 /**
139  * enum iwl_bt_reduced_tx_power - allows to reduce txpower for WiFi frames.
140  * @BT_REDUCED_TX_POWER_CTL: reduce Tx power for control frames
141  * @BT_REDUCED_TX_POWER_DATA: reduce Tx power for data frames
142  *
143  * This mechanism allows to have BT and WiFi run concurrently. Since WiFi
144  * reduces its Tx power, it can work along with BT, hence reducing the amount
145  * of WiFi frames being killed by BT.
146  */
147 enum iwl_bt_reduced_tx_power {
148 	BT_REDUCED_TX_POWER_CTL		= BIT(0),
149 	BT_REDUCED_TX_POWER_DATA	= BIT(1),
150 };
151 
152 enum iwl_bt_coex_lut_type {
153 	BT_COEX_TIGHT_LUT = 0,
154 	BT_COEX_LOOSE_LUT,
155 	BT_COEX_TX_DIS_LUT,
156 
157 	BT_COEX_MAX_LUT,
158 	BT_COEX_INVALID_LUT = 0xff,
159 }; /* BT_COEX_DECISION_LUT_INDEX_API_E_VER_1 */
160 
161 #define BT_COEX_LUT_SIZE (12)
162 #define BT_COEX_CORUN_LUT_SIZE (32)
163 #define BT_COEX_MULTI_PRIO_LUT_SIZE (2)
164 #define BT_COEX_BOOST_SIZE (4)
165 #define BT_REDUCED_TX_POWER_BIT BIT(7)
166 
167 /**
168  * struct iwl_bt_coex_cmd_old - bt coex configuration command
169  * @flags:&enum iwl_bt_coex_flags
170  * @max_kill:
171  * @bt_reduced_tx_power: enum %iwl_bt_reduced_tx_power
172  * @override_primary_lut: enum %iwl_bt_coex_lut_type: BT_COEX_INVALID_LUT
173  *	should be set by default
174  * @override_secondary_lut: enum %iwl_bt_coex_lut_type: BT_COEX_INVALID_LUT
175  *	should be set by default
176  * @bt4_antenna_isolation: antenna isolation
177  * @bt4_antenna_isolation_thr: antenna threshold value
178  * @bt4_tx_tx_delta_freq_thr: TxTx delta frequency
179  * @bt4_tx_rx_max_freq0: TxRx max frequency
180  * @bt_prio_boost: BT priority boost registers
181  * @wifi_tx_prio_boost: SW boost of wifi tx priority
182  * @wifi_rx_prio_boost: SW boost of wifi rx priority
183  * @kill_ack_msk: kill ACK mask. 1 - Tx ACK, 0 - kill Tx of ACK.
184  * @kill_cts_msk: kill CTS mask. 1 - Tx CTS, 0 - kill Tx of CTS.
185  * @decision_lut: PTA decision LUT, per Prio-Ch
186  * @bt4_multiprio_lut: multi priority LUT configuration
187  * @bt4_corun_lut20: co-running 20 MHz LUT configuration
188  * @bt4_corun_lut40: co-running 40 MHz LUT configuration
189  * @valid_bit_msk: enum %iwl_bt_coex_valid_bit_msk
190  *
191  * The structure is used for the BT_COEX command.
192  */
193 struct iwl_bt_coex_cmd_old {
194 	__le32 flags;
195 	u8 max_kill;
196 	u8 bt_reduced_tx_power;
197 	u8 override_primary_lut;
198 	u8 override_secondary_lut;
199 
200 	u8 bt4_antenna_isolation;
201 	u8 bt4_antenna_isolation_thr;
202 	u8 bt4_tx_tx_delta_freq_thr;
203 	u8 bt4_tx_rx_max_freq0;
204 
205 	__le32 bt_prio_boost[BT_COEX_BOOST_SIZE];
206 	__le32 wifi_tx_prio_boost;
207 	__le32 wifi_rx_prio_boost;
208 	__le32 kill_ack_msk;
209 	__le32 kill_cts_msk;
210 
211 	__le32 decision_lut[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE];
212 	__le32 bt4_multiprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE];
213 	__le32 bt4_corun_lut20[BT_COEX_CORUN_LUT_SIZE];
214 	__le32 bt4_corun_lut40[BT_COEX_CORUN_LUT_SIZE];
215 
216 	__le32 valid_bit_msk;
217 } __packed; /* BT_COEX_CMD_API_S_VER_5 */
218 
219 enum iwl_bt_coex_mode {
220 	BT_COEX_DISABLE			= 0x0,
221 	BT_COEX_NW			= 0x1,
222 	BT_COEX_BT			= 0x2,
223 	BT_COEX_WIFI			= 0x3,
224 }; /* BT_COEX_MODES_E */
225 
226 enum iwl_bt_coex_enabled_modules {
227 	BT_COEX_MPLUT_ENABLED		= BIT(0),
228 	BT_COEX_MPLUT_BOOST_ENABLED	= BIT(1),
229 	BT_COEX_SYNC2SCO_ENABLED	= BIT(2),
230 	BT_COEX_CORUN_ENABLED		= BIT(3),
231 	BT_COEX_HIGH_BAND_RET		= BIT(4),
232 }; /* BT_COEX_MODULES_ENABLE_E_VER_1 */
233 
234 /**
235  * struct iwl_bt_coex_cmd - bt coex configuration command
236  * @mode: enum %iwl_bt_coex_mode
237  * @enabled_modules: enum %iwl_bt_coex_enabled_modules
238  *
239  * The structure is used for the BT_COEX command.
240  */
241 struct iwl_bt_coex_cmd {
242 	__le32 mode;
243 	__le32 enabled_modules;
244 } __packed; /* BT_COEX_CMD_API_S_VER_6 */
245 
246 /**
247  * struct iwl_bt_coex_corun_lut_update - bt coex update the corun lut
248  * @corun_lut20: co-running 20 MHz LUT configuration
249  * @corun_lut40: co-running 40 MHz LUT configuration
250  *
251  * The structure is used for the BT_COEX_UPDATE_CORUN_LUT command.
252  */
253 struct iwl_bt_coex_corun_lut_update_cmd {
254 	__le32 corun_lut20[BT_COEX_CORUN_LUT_SIZE];
255 	__le32 corun_lut40[BT_COEX_CORUN_LUT_SIZE];
256 } __packed; /* BT_COEX_UPDATE_CORUN_LUT_API_S_VER_1 */
257 
258 /**
259  * struct iwl_bt_coex_reduced_txp_update_cmd
260  * @reduced_txp: bit BT_REDUCED_TX_POWER_BIT to enable / disable, rest of the
261  *	bits are the sta_id (value)
262  */
263 struct iwl_bt_coex_reduced_txp_update_cmd {
264 	__le32 reduced_txp;
265 } __packed; /* BT_COEX_UPDATE_REDUCED_TX_POWER_API_S_VER_1 */
266 
267 /**
268  * struct iwl_bt_coex_ci_cmd - bt coex channel inhibition command
269  * @bt_primary_ci:
270  * @primary_ch_phy_id:
271  * @bt_secondary_ci:
272  * @secondary_ch_phy_id:
273  *
274  * Used for BT_COEX_CI command
275  */
276 struct iwl_bt_coex_ci_cmd {
277 	__le64 bt_primary_ci;
278 	__le32 primary_ch_phy_id;
279 
280 	__le64 bt_secondary_ci;
281 	__le32 secondary_ch_phy_id;
282 } __packed; /* BT_CI_MSG_API_S_VER_2 */
283 
284 #define BT_MBOX(n_dw, _msg, _pos, _nbits)	\
285 	BT_MBOX##n_dw##_##_msg##_POS = (_pos),	\
286 	BT_MBOX##n_dw##_##_msg = BITS(_nbits) << BT_MBOX##n_dw##_##_msg##_POS
287 
288 enum iwl_bt_mxbox_dw0 {
289 	BT_MBOX(0, LE_SLAVE_LAT, 0, 3),
290 	BT_MBOX(0, LE_PROF1, 3, 1),
291 	BT_MBOX(0, LE_PROF2, 4, 1),
292 	BT_MBOX(0, LE_PROF_OTHER, 5, 1),
293 	BT_MBOX(0, CHL_SEQ_N, 8, 4),
294 	BT_MBOX(0, INBAND_S, 13, 1),
295 	BT_MBOX(0, LE_MIN_RSSI, 16, 4),
296 	BT_MBOX(0, LE_SCAN, 20, 1),
297 	BT_MBOX(0, LE_ADV, 21, 1),
298 	BT_MBOX(0, LE_MAX_TX_POWER, 24, 4),
299 	BT_MBOX(0, OPEN_CON_1, 28, 2),
300 };
301 
302 enum iwl_bt_mxbox_dw1 {
303 	BT_MBOX(1, BR_MAX_TX_POWER, 0, 4),
304 	BT_MBOX(1, IP_SR, 4, 1),
305 	BT_MBOX(1, LE_MSTR, 5, 1),
306 	BT_MBOX(1, AGGR_TRFC_LD, 8, 6),
307 	BT_MBOX(1, MSG_TYPE, 16, 3),
308 	BT_MBOX(1, SSN, 19, 2),
309 };
310 
311 enum iwl_bt_mxbox_dw2 {
312 	BT_MBOX(2, SNIFF_ACT, 0, 3),
313 	BT_MBOX(2, PAG, 3, 1),
314 	BT_MBOX(2, INQUIRY, 4, 1),
315 	BT_MBOX(2, CONN, 5, 1),
316 	BT_MBOX(2, SNIFF_INTERVAL, 8, 5),
317 	BT_MBOX(2, DISC, 13, 1),
318 	BT_MBOX(2, SCO_TX_ACT, 16, 2),
319 	BT_MBOX(2, SCO_RX_ACT, 18, 2),
320 	BT_MBOX(2, ESCO_RE_TX, 20, 2),
321 	BT_MBOX(2, SCO_DURATION, 24, 6),
322 };
323 
324 enum iwl_bt_mxbox_dw3 {
325 	BT_MBOX(3, SCO_STATE, 0, 1),
326 	BT_MBOX(3, SNIFF_STATE, 1, 1),
327 	BT_MBOX(3, A2DP_STATE, 2, 1),
328 	BT_MBOX(3, ACL_STATE, 3, 1),
329 	BT_MBOX(3, MSTR_STATE, 4, 1),
330 	BT_MBOX(3, OBX_STATE, 5, 1),
331 	BT_MBOX(3, OPEN_CON_2, 8, 2),
332 	BT_MBOX(3, TRAFFIC_LOAD, 10, 2),
333 	BT_MBOX(3, CHL_SEQN_LSB, 12, 1),
334 	BT_MBOX(3, INBAND_P, 13, 1),
335 	BT_MBOX(3, MSG_TYPE_2, 16, 3),
336 	BT_MBOX(3, SSN_2, 19, 2),
337 	BT_MBOX(3, UPDATE_REQUEST, 21, 1),
338 };
339 
340 #define BT_MBOX_MSG(_notif, _num, _field)				     \
341 	((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
342 	>> BT_MBOX##_num##_##_field##_POS)
343 
344 enum iwl_bt_activity_grading {
345 	BT_OFF			= 0,
346 	BT_ON_NO_CONNECTION	= 1,
347 	BT_LOW_TRAFFIC		= 2,
348 	BT_HIGH_TRAFFIC		= 3,
349 
350 	BT_MAX_AG,
351 }; /* BT_COEX_BT_ACTIVITY_GRADING_API_E_VER_1 */
352 
353 enum iwl_bt_ci_compliance {
354 	BT_CI_COMPLIANCE_NONE		= 0,
355 	BT_CI_COMPLIANCE_PRIMARY	= 1,
356 	BT_CI_COMPLIANCE_SECONDARY	= 2,
357 	BT_CI_COMPLIANCE_BOTH		= 3,
358 }; /* BT_COEX_CI_COMPLIENCE_E_VER_1 */
359 
360 #define IWL_COEX_IS_TTC_ON(_ttc_rrc_status, _phy_id)	\
361 		(_ttc_rrc_status & BIT(_phy_id))
362 
363 #define IWL_COEX_IS_RRC_ON(_ttc_rrc_status, _phy_id)	\
364 		((_ttc_rrc_status >> 4) & BIT(_phy_id))
365 
366 /**
367  * struct iwl_bt_coex_profile_notif - notification about BT coex
368  * @mbox_msg: message from BT to WiFi
369  * @msg_idx: the index of the message
370  * @bt_ci_compliance: enum %iwl_bt_ci_compliance
371  * @primary_ch_lut: LUT used for primary channel enum %iwl_bt_coex_lut_type
372  * @secondary_ch_lut: LUT used for secondary channel enume %iwl_bt_coex_lut_type
373  * @bt_activity_grading: the activity of BT enum %iwl_bt_activity_grading
374  * @ttc_rrc_status: is TTC or RRC enabled - one bit per PHY
375  */
376 struct iwl_bt_coex_profile_notif {
377 	__le32 mbox_msg[4];
378 	__le32 msg_idx;
379 	__le32 bt_ci_compliance;
380 
381 	__le32 primary_ch_lut;
382 	__le32 secondary_ch_lut;
383 	__le32 bt_activity_grading;
384 	u8 ttc_rrc_status;
385 	u8 reserved[3];
386 } __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_4 */
387 
388 enum iwl_bt_coex_prio_table_event {
389 	BT_COEX_PRIO_TBL_EVT_INIT_CALIB1		= 0,
390 	BT_COEX_PRIO_TBL_EVT_INIT_CALIB2		= 1,
391 	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1	= 2,
392 	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2	= 3,
393 	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1	= 4,
394 	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2	= 5,
395 	BT_COEX_PRIO_TBL_EVT_DTIM			= 6,
396 	BT_COEX_PRIO_TBL_EVT_SCAN52			= 7,
397 	BT_COEX_PRIO_TBL_EVT_SCAN24			= 8,
398 	BT_COEX_PRIO_TBL_EVT_IDLE			= 9,
399 	BT_COEX_PRIO_TBL_EVT_MAX			= 16,
400 }; /* BT_COEX_PRIO_TABLE_EVENTS_API_E_VER_1 */
401 
402 enum iwl_bt_coex_prio_table_prio {
403 	BT_COEX_PRIO_TBL_DISABLED	= 0,
404 	BT_COEX_PRIO_TBL_PRIO_LOW	= 1,
405 	BT_COEX_PRIO_TBL_PRIO_HIGH	= 2,
406 	BT_COEX_PRIO_TBL_PRIO_BYPASS	= 3,
407 	BT_COEX_PRIO_TBL_PRIO_COEX_OFF	= 4,
408 	BT_COEX_PRIO_TBL_PRIO_COEX_ON	= 5,
409 	BT_COEX_PRIO_TBL_PRIO_COEX_IDLE = 6,
410 	BT_COEX_PRIO_TBL_MAX		= 8,
411 }; /* BT_COEX_PRIO_TABLE_PRIORITIES_API_E_VER_1 */
412 
413 #define BT_COEX_PRIO_TBL_SHRD_ANT_POS     (0)
414 #define BT_COEX_PRIO_TBL_PRIO_POS         (1)
415 #define BT_COEX_PRIO_TBL_RESERVED_POS     (4)
416 
417 /**
418  * struct iwl_bt_coex_prio_tbl_cmd - priority table for BT coex
419  * @prio_tbl:
420  */
421 struct iwl_bt_coex_prio_tbl_cmd {
422 	u8 prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX];
423 } __packed;
424 
425 /**
426  * struct iwl_bt_coex_ci_cmd_old - bt coex channel inhibition command
427  * @bt_primary_ci:
428  * @bt_secondary_ci:
429  * @co_run_bw_primary:
430  * @co_run_bw_secondary:
431  * @primary_ch_phy_id:
432  * @secondary_ch_phy_id:
433  *
434  * Used for BT_COEX_CI command
435  */
436 struct iwl_bt_coex_ci_cmd_old {
437 	__le64 bt_primary_ci;
438 	__le64 bt_secondary_ci;
439 
440 	u8 co_run_bw_primary;
441 	u8 co_run_bw_secondary;
442 	u8 primary_ch_phy_id;
443 	u8 secondary_ch_phy_id;
444 } __packed; /* BT_CI_MSG_API_S_VER_1 */
445 
446 /**
447  * struct iwl_bt_coex_profile_notif_old - notification about BT coex
448  * @mbox_msg: message from BT to WiFi
449  * @msg_idx: the index of the message
450  * @bt_status: 0 - off, 1 - on
451  * @bt_open_conn: number of BT connections open
452  * @bt_traffic_load: load of BT traffic
453  * @bt_agg_traffic_load: aggregated load of BT traffic
454  * @bt_ci_compliance: 0 - no CI compliance, 1 - CI compliant
455  * @primary_ch_lut: LUT used for primary channel
456  * @secondary_ch_lut: LUT used for secondary channel
457  * @bt_activity_grading: the activity of BT enum %iwl_bt_activity_grading
458  */
459 struct iwl_bt_coex_profile_notif_old {
460 	__le32 mbox_msg[4];
461 	__le32 msg_idx;
462 	u8 bt_status;
463 	u8 bt_open_conn;
464 	u8 bt_traffic_load;
465 	u8 bt_agg_traffic_load;
466 	u8 bt_ci_compliance;
467 	u8 ttc_enabled;
468 	u8 rrc_enabled;
469 	u8 reserved;
470 
471 	__le32 primary_ch_lut;
472 	__le32 secondary_ch_lut;
473 	__le32 bt_activity_grading;
474 } __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_3 */
475 
476 #endif /* __fw_api_bt_coex_h__ */
477