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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 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called COPYING. | |
26 | * | |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2013 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | *****************************************************************************/ | |
62 | ||
63 | #ifndef __fw_api_bt_coex_h__ | |
64 | #define __fw_api_bt_coex_h__ | |
65 | ||
66 | #include <linux/types.h> | |
67 | #include <linux/bitops.h> | |
68 | ||
69 | #define BITS(nb) (BIT(nb) - 1) | |
70 | ||
71 | /** | |
72 | * enum iwl_bt_coex_flags - flags for BT_COEX command | |
73 | * @BT_CH_PRIMARY_EN: | |
74 | * @BT_CH_SECONDARY_EN: | |
75 | * @BT_NOTIF_COEX_OFF: | |
76 | * @BT_COEX_MODE_POS: | |
77 | * @BT_COEX_MODE_MSK: | |
78 | * @BT_COEX_DISABLE: | |
79 | * @BT_COEX_2W: | |
80 | * @BT_COEX_3W: | |
81 | * @BT_COEX_NW: | |
82 | * @BT_USE_DEFAULTS: | |
83 | * @BT_SYNC_2_BT_DISABLE: | |
84 | * @BT_COEX_CORUNNING_TBL_EN: | |
85 | */ | |
86 | enum iwl_bt_coex_flags { | |
87 | BT_CH_PRIMARY_EN = BIT(0), | |
88 | BT_CH_SECONDARY_EN = BIT(1), | |
89 | BT_NOTIF_COEX_OFF = BIT(2), | |
90 | BT_COEX_MODE_POS = 3, | |
91 | BT_COEX_MODE_MSK = BITS(3) << BT_COEX_MODE_POS, | |
92 | BT_COEX_DISABLE = 0x0 << BT_COEX_MODE_POS, | |
93 | BT_COEX_2W = 0x1 << BT_COEX_MODE_POS, | |
94 | BT_COEX_3W = 0x2 << BT_COEX_MODE_POS, | |
95 | BT_COEX_NW = 0x3 << BT_COEX_MODE_POS, | |
96 | BT_USE_DEFAULTS = BIT(6), | |
97 | BT_SYNC_2_BT_DISABLE = BIT(7), | |
98 | /* | |
99 | * For future use - when the flags will be enlarged | |
100 | * BT_COEX_CORUNNING_TBL_EN = BIT(8), | |
101 | */ | |
102 | }; | |
103 | ||
104 | /* | |
105 | * indicates what has changed in the BT_COEX command. | |
106 | */ | |
107 | enum iwl_bt_coex_valid_bit_msk { | |
108 | BT_VALID_ENABLE = BIT(0), | |
109 | BT_VALID_BT_PRIO_BOOST = BIT(1), | |
110 | BT_VALID_MAX_KILL = BIT(2), | |
111 | BT_VALID_3W_TMRS = BIT(3), | |
112 | BT_VALID_KILL_ACK = BIT(4), | |
113 | BT_VALID_KILL_CTS = BIT(5), | |
114 | BT_VALID_REDUCED_TX_POWER = BIT(6), | |
115 | BT_VALID_LUT = BIT(7), | |
116 | BT_VALID_WIFI_RX_SW_PRIO_BOOST = BIT(8), | |
117 | BT_VALID_WIFI_TX_SW_PRIO_BOOST = BIT(9), | |
118 | BT_VALID_MULTI_PRIO_LUT = BIT(10), | |
119 | BT_VALID_TRM_KICK_FILTER = BIT(11), | |
120 | BT_VALID_CORUN_LUT_20 = BIT(12), | |
121 | BT_VALID_CORUN_LUT_40 = BIT(13), | |
122 | BT_VALID_ANT_ISOLATION = BIT(14), | |
123 | BT_VALID_ANT_ISOLATION_THRS = BIT(15), | |
124 | /* | |
125 | * For future use - when the valid flags will be enlarged | |
126 | * BT_VALID_TXTX_DELTA_FREQ_THRS = BIT(16), | |
127 | * BT_VALID_TXRX_MAX_FREQ_0 = BIT(17), | |
128 | */ | |
129 | }; | |
130 | ||
131 | /** | |
132 | * enum iwl_bt_reduced_tx_power - allows to reduce txpower for WiFi frames. | |
133 | * @BT_REDUCED_TX_POWER_CTL: reduce Tx power for control frames | |
134 | * @BT_REDUCED_TX_POWER_DATA: reduce Tx power for data frames | |
135 | * | |
136 | * This mechanism allows to have BT and WiFi run concurrently. Since WiFi | |
137 | * reduces its Tx power, it can work along with BT, hence reducing the amount | |
138 | * of WiFi frames being killed by BT. | |
139 | */ | |
140 | enum iwl_bt_reduced_tx_power { | |
141 | BT_REDUCED_TX_POWER_CTL = BIT(0), | |
142 | BT_REDUCED_TX_POWER_DATA = BIT(1), | |
143 | }; | |
144 | ||
145 | #define BT_COEX_LUT_SIZE (12) | |
146 | ||
147 | /** | |
148 | * struct iwl_bt_coex_cmd - bt coex configuration command | |
149 | * @flags:&enum iwl_bt_coex_flags | |
150 | * @lead_time: | |
151 | * @max_kill: | |
152 | * @bt3_time_t7_value: | |
153 | * @kill_ack_msk: | |
154 | * @kill_cts_msk: | |
155 | * @bt3_prio_sample_time: | |
156 | * @bt3_timer_t2_value: | |
157 | * @bt4_reaction_time: | |
158 | * @decision_lut[12]: | |
159 | * @bt_reduced_tx_power: enum %iwl_bt_reduced_tx_power | |
160 | * @valid_bit_msk: enum %iwl_bt_coex_valid_bit_msk | |
161 | * @bt_prio_boost: values for PTA boost register | |
162 | * @wifi_tx_prio_boost: SW boost of wifi tx priority | |
163 | * @wifi_rx_prio_boost: SW boost of wifi rx priority | |
164 | * | |
165 | * The structure is used for the BT_COEX command. | |
166 | */ | |
167 | struct iwl_bt_coex_cmd { | |
168 | u8 flags; | |
169 | u8 lead_time; | |
170 | u8 max_kill; | |
171 | u8 bt3_time_t7_value; | |
172 | __le32 kill_ack_msk; | |
173 | __le32 kill_cts_msk; | |
174 | u8 bt3_prio_sample_time; | |
175 | u8 bt3_timer_t2_value; | |
176 | __le16 bt4_reaction_time; | |
177 | __le32 decision_lut[BT_COEX_LUT_SIZE]; | |
178 | u8 bt_reduced_tx_power; | |
179 | u8 reserved; | |
180 | __le16 valid_bit_msk; | |
181 | __le32 bt_prio_boost; | |
182 | u8 reserved2; | |
183 | u8 wifi_tx_prio_boost; | |
184 | __le16 wifi_rx_prio_boost; | |
185 | } __packed; /* BT_COEX_CMD_API_S_VER_3 */ | |
186 | ||
187 | #define BT_MBOX(n_dw, _msg, _pos, _nbits) \ | |
188 | BT_MBOX##n_dw##_##_msg##_POS = (_pos), \ | |
189 | BT_MBOX##n_dw##_##_msg = BITS(_nbits) << BT_MBOX##n_dw##_##_msg##_POS | |
190 | ||
191 | enum iwl_bt_mxbox_dw0 { | |
192 | BT_MBOX(0, LE_SLAVE_LAT, 0, 3), | |
193 | BT_MBOX(0, LE_PROF1, 3, 1), | |
194 | BT_MBOX(0, LE_PROF2, 4, 1), | |
195 | BT_MBOX(0, LE_PROF_OTHER, 5, 1), | |
196 | BT_MBOX(0, CHL_SEQ_N, 8, 4), | |
197 | BT_MBOX(0, INBAND_S, 13, 1), | |
198 | BT_MBOX(0, LE_MIN_RSSI, 16, 4), | |
199 | BT_MBOX(0, LE_SCAN, 20, 1), | |
200 | BT_MBOX(0, LE_ADV, 21, 1), | |
201 | BT_MBOX(0, LE_MAX_TX_POWER, 24, 4), | |
202 | BT_MBOX(0, OPEN_CON_1, 28, 2), | |
203 | }; | |
204 | ||
205 | enum iwl_bt_mxbox_dw1 { | |
206 | BT_MBOX(1, BR_MAX_TX_POWER, 0, 4), | |
207 | BT_MBOX(1, IP_SR, 4, 1), | |
208 | BT_MBOX(1, LE_MSTR, 5, 1), | |
209 | BT_MBOX(1, AGGR_TRFC_LD, 8, 6), | |
210 | BT_MBOX(1, MSG_TYPE, 16, 3), | |
211 | BT_MBOX(1, SSN, 19, 2), | |
212 | }; | |
213 | ||
214 | enum iwl_bt_mxbox_dw2 { | |
215 | BT_MBOX(2, SNIFF_ACT, 0, 3), | |
216 | BT_MBOX(2, PAG, 3, 1), | |
217 | BT_MBOX(2, INQUIRY, 4, 1), | |
218 | BT_MBOX(2, CONN, 5, 1), | |
219 | BT_MBOX(2, SNIFF_INTERVAL, 8, 5), | |
220 | BT_MBOX(2, DISC, 13, 1), | |
221 | BT_MBOX(2, SCO_TX_ACT, 16, 2), | |
222 | BT_MBOX(2, SCO_RX_ACT, 18, 2), | |
223 | BT_MBOX(2, ESCO_RE_TX, 20, 2), | |
224 | BT_MBOX(2, SCO_DURATION, 24, 6), | |
225 | }; | |
226 | ||
227 | enum iwl_bt_mxbox_dw3 { | |
228 | BT_MBOX(3, SCO_STATE, 0, 1), | |
229 | BT_MBOX(3, SNIFF_STATE, 1, 1), | |
230 | BT_MBOX(3, A2DP_STATE, 2, 1), | |
231 | BT_MBOX(3, ACL_STATE, 3, 1), | |
232 | BT_MBOX(3, MSTR_STATE, 4, 1), | |
233 | BT_MBOX(3, OBX_STATE, 5, 1), | |
234 | BT_MBOX(3, OPEN_CON_2, 8, 2), | |
235 | BT_MBOX(3, TRAFFIC_LOAD, 10, 2), | |
236 | BT_MBOX(3, CHL_SEQN_LSB, 12, 1), | |
237 | BT_MBOX(3, INBAND_P, 13, 1), | |
238 | BT_MBOX(3, MSG_TYPE_2, 16, 3), | |
239 | BT_MBOX(3, SSN_2, 19, 2), | |
240 | BT_MBOX(3, UPDATE_REQUEST, 21, 1), | |
241 | }; | |
242 | ||
243 | #define BT_MBOX_MSG(_notif, _num, _field) \ | |
244 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
245 | >> BT_MBOX##_num##_##_field##_POS) | |
246 | ||
247 | /** | |
248 | * struct iwl_bt_coex_profile_notif - notification about BT coex | |
249 | * @mbox_msg: message from BT to WiFi | |
250 | * @:bt_status: 0 - off, 1 - on | |
251 | * @:bt_open_conn: number of BT connections open | |
252 | * @:bt_traffic_load: load of BT traffic | |
253 | * @:bt_agg_traffic_load: aggregated load of BT traffic | |
254 | * @:bt_ci_compliance: 0 - no CI compliance, 1 - CI compliant | |
255 | */ | |
256 | struct iwl_bt_coex_profile_notif { | |
257 | __le32 mbox_msg[4]; | |
258 | u8 bt_status; | |
259 | u8 bt_open_conn; | |
260 | u8 bt_traffic_load; | |
261 | u8 bt_agg_traffic_load; | |
262 | u8 bt_ci_compliance; | |
263 | u8 reserved[3]; | |
264 | } __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_2 */ | |
265 | ||
266 | enum iwl_bt_coex_prio_table_event { | |
267 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB1 = 0, | |
268 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2 = 1, | |
269 | BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1 = 2, | |
270 | BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2 = 3, | |
271 | BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1 = 4, | |
272 | BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2 = 5, | |
273 | BT_COEX_PRIO_TBL_EVT_DTIM = 6, | |
274 | BT_COEX_PRIO_TBL_EVT_SCAN52 = 7, | |
275 | BT_COEX_PRIO_TBL_EVT_SCAN24 = 8, | |
276 | BT_COEX_PRIO_TBL_EVT_IDLE = 9, | |
277 | BT_COEX_PRIO_TBL_EVT_MAX = 16, | |
278 | }; /* BT_COEX_PRIO_TABLE_EVENTS_API_E_VER_1 */ | |
279 | ||
280 | enum iwl_bt_coex_prio_table_prio { | |
281 | BT_COEX_PRIO_TBL_DISABLED = 0, | |
282 | BT_COEX_PRIO_TBL_PRIO_LOW = 1, | |
283 | BT_COEX_PRIO_TBL_PRIO_HIGH = 2, | |
284 | BT_COEX_PRIO_TBL_PRIO_BYPASS = 3, | |
285 | BT_COEX_PRIO_TBL_PRIO_COEX_OFF = 4, | |
286 | BT_COEX_PRIO_TBL_PRIO_COEX_ON = 5, | |
287 | BT_COEX_PRIO_TBL_PRIO_COEX_IDLE = 6, | |
288 | BT_COEX_PRIO_TBL_MAX = 8, | |
289 | }; /* BT_COEX_PRIO_TABLE_PRIORITIES_API_E_VER_1 */ | |
290 | ||
291 | #define BT_COEX_PRIO_TBL_SHRD_ANT_POS (0) | |
292 | #define BT_COEX_PRIO_TBL_PRIO_POS (1) | |
293 | #define BT_COEX_PRIO_TBL_RESERVED_POS (4) | |
294 | ||
295 | /** | |
296 | * struct iwl_bt_coex_prio_tbl_cmd - priority table for BT coex | |
297 | * @prio_tbl: | |
298 | */ | |
299 | struct iwl_bt_coex_prio_tbl_cmd { | |
300 | u8 prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX]; | |
301 | } __packed; | |
302 | ||
303 | enum iwl_bt_coex_env_action { | |
304 | BT_COEX_ENV_CLOSE = 0, | |
305 | BT_COEX_ENV_OPEN = 1, | |
306 | }; /* BT_COEX_PROT_ENV_ACTION_API_E_VER_1 */ | |
307 | ||
308 | /** | |
309 | * struct iwl_bt_coex_prot_env_cmd - BT Protection Envelope | |
310 | * @action: enum %iwl_bt_coex_env_action | |
311 | * @type: enum %iwl_bt_coex_prio_table_event | |
312 | */ | |
313 | struct iwl_bt_coex_prot_env_cmd { | |
314 | u8 action; /* 0 = closed, 1 = open */ | |
315 | u8 type; /* 0 .. 15 */ | |
316 | u8 reserved[2]; | |
317 | } __packed; | |
318 | ||
319 | #endif /* __fw_api_bt_coex_h__ */ |