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931d4160 EG |
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 | ||
64 | #include "fw-api-bt-coex.h" | |
65 | #include "iwl-modparams.h" | |
66 | #include "mvm.h" | |
f421f9c3 | 67 | #include "iwl-debug.h" |
931d4160 EG |
68 | |
69 | #define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \ | |
70 | [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \ | |
71 | ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS)) | |
72 | ||
73 | static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { | |
74 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1, | |
75 | BT_COEX_PRIO_TBL_PRIO_BYPASS, 0), | |
76 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2, | |
77 | BT_COEX_PRIO_TBL_PRIO_BYPASS, 1), | |
78 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1, | |
79 | BT_COEX_PRIO_TBL_PRIO_LOW, 0), | |
80 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2, | |
81 | BT_COEX_PRIO_TBL_PRIO_LOW, 1), | |
82 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1, | |
83 | BT_COEX_PRIO_TBL_PRIO_HIGH, 0), | |
84 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2, | |
85 | BT_COEX_PRIO_TBL_PRIO_HIGH, 1), | |
86 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM, | |
87 | BT_COEX_PRIO_TBL_DISABLED, 0), | |
88 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52, | |
89 | BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0), | |
90 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24, | |
91 | BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0), | |
92 | EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE, | |
93 | BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0), | |
94 | 0, 0, 0, 0, 0, 0, | |
95 | }; | |
96 | ||
97 | #undef EVENT_PRIO_ANT | |
98 | ||
99 | int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm) | |
100 | { | |
101 | return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, CMD_SYNC, | |
102 | sizeof(struct iwl_bt_coex_prio_tbl_cmd), | |
103 | &iwl_bt_prio_tbl); | |
104 | } | |
105 | ||
106 | static int iwl_send_bt_env(struct iwl_mvm *mvm, u8 action, u8 type) | |
107 | { | |
108 | struct iwl_bt_coex_prot_env_cmd env_cmd; | |
109 | int ret; | |
110 | ||
111 | env_cmd.action = action; | |
112 | env_cmd.type = type; | |
113 | ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PROT_ENV, CMD_SYNC, | |
114 | sizeof(env_cmd), &env_cmd); | |
115 | if (ret) | |
116 | IWL_ERR(mvm, "failed to send BT env command\n"); | |
117 | return ret; | |
118 | } | |
119 | ||
120 | enum iwl_bt_kill_msk { | |
121 | BT_KILL_MSK_DEFAULT, | |
122 | BT_KILL_MSK_SCO_HID_A2DP, | |
123 | BT_KILL_MSK_REDUCED_TXPOW, | |
124 | BT_KILL_MSK_MAX, | |
125 | }; | |
126 | ||
127 | static const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = { | |
128 | 0xffffffff, | |
129 | 0xfffffc00, | |
130 | 0, | |
131 | }; | |
132 | ||
133 | static const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = { | |
134 | 0xffffffff, | |
135 | 0xfffffc00, | |
136 | 0, | |
137 | }; | |
138 | ||
139 | #define IWL_BT_DEFAULT_BOOST (0xf0f0f0f0) | |
140 | ||
141 | /* Tight Coex */ | |
142 | static const __le32 iwl_tight_lookup[BT_COEX_LUT_SIZE] = { | |
143 | cpu_to_le32(0xaaaaaaaa), | |
144 | cpu_to_le32(0xaaaaaaaa), | |
145 | cpu_to_le32(0xaeaaaaaa), | |
146 | cpu_to_le32(0xaaaaaaaa), | |
147 | cpu_to_le32(0xcc00ff28), | |
148 | cpu_to_le32(0x0000aaaa), | |
149 | cpu_to_le32(0xcc00aaaa), | |
150 | cpu_to_le32(0x0000aaaa), | |
151 | cpu_to_le32(0xc0004000), | |
152 | cpu_to_le32(0x00000000), | |
153 | cpu_to_le32(0xf0005000), | |
154 | cpu_to_le32(0xf0005000), | |
155 | }; | |
156 | ||
157 | /* Loose Coex */ | |
158 | static const __le32 iwl_loose_lookup[BT_COEX_LUT_SIZE] = { | |
159 | cpu_to_le32(0xaaaaaaaa), | |
160 | cpu_to_le32(0xaaaaaaaa), | |
161 | cpu_to_le32(0xaeaaaaaa), | |
162 | cpu_to_le32(0xaaaaaaaa), | |
163 | cpu_to_le32(0xcc00ff28), | |
164 | cpu_to_le32(0x0000aaaa), | |
165 | cpu_to_le32(0xcc00aaaa), | |
166 | cpu_to_le32(0x0000aaaa), | |
167 | cpu_to_le32(0x00000000), | |
168 | cpu_to_le32(0x00000000), | |
169 | cpu_to_le32(0xf0005000), | |
170 | cpu_to_le32(0xf0005000), | |
171 | }; | |
172 | ||
173 | /* Full concurrency */ | |
174 | static const __le32 iwl_concurrent_lookup[BT_COEX_LUT_SIZE] = { | |
175 | cpu_to_le32(0xaaaaaaaa), | |
176 | cpu_to_le32(0xaaaaaaaa), | |
177 | cpu_to_le32(0xaaaaaaaa), | |
178 | cpu_to_le32(0xaaaaaaaa), | |
179 | cpu_to_le32(0xaaaaaaaa), | |
180 | cpu_to_le32(0xaaaaaaaa), | |
181 | cpu_to_le32(0xaaaaaaaa), | |
182 | cpu_to_le32(0xaaaaaaaa), | |
183 | cpu_to_le32(0x00000000), | |
184 | cpu_to_le32(0x00000000), | |
185 | cpu_to_le32(0x00000000), | |
186 | cpu_to_le32(0x00000000), | |
187 | }; | |
188 | ||
189 | /* BT Antenna Coupling Threshold (dB) */ | |
190 | #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) | |
191 | ||
192 | int iwl_send_bt_init_conf(struct iwl_mvm *mvm) | |
193 | { | |
194 | struct iwl_bt_coex_cmd cmd = { | |
195 | .max_kill = 5, | |
196 | .bt3_time_t7_value = 1, | |
197 | .bt3_prio_sample_time = 2, | |
198 | .bt3_timer_t2_value = 0xc, | |
199 | }; | |
200 | int ret; | |
201 | ||
202 | cmd.flags = iwlwifi_mod_params.bt_coex_active ? | |
203 | BT_COEX_NW : BT_COEX_DISABLE; | |
204 | cmd.flags |= iwlwifi_mod_params.bt_ch_announce ? | |
205 | BT_CH_PRIMARY_EN | BT_CH_SECONDARY_EN : 0; | |
206 | cmd.flags |= BT_SYNC_2_BT_DISABLE; | |
207 | ||
208 | cmd.valid_bit_msk = cpu_to_le16(BT_VALID_ENABLE | | |
209 | BT_VALID_BT_PRIO_BOOST | | |
210 | BT_VALID_MAX_KILL | | |
211 | BT_VALID_3W_TMRS | | |
212 | BT_VALID_KILL_ACK | | |
213 | BT_VALID_KILL_CTS | | |
214 | BT_VALID_REDUCED_TX_POWER | | |
215 | BT_VALID_LUT); | |
216 | ||
217 | if (iwlwifi_mod_params.ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) | |
218 | memcpy(&cmd.decision_lut, iwl_loose_lookup, | |
219 | sizeof(iwl_tight_lookup)); | |
220 | else | |
221 | memcpy(&cmd.decision_lut, iwl_tight_lookup, | |
222 | sizeof(iwl_tight_lookup)); | |
223 | ||
224 | cmd.bt_prio_boost = cpu_to_le32(IWL_BT_DEFAULT_BOOST); | |
225 | cmd.kill_ack_msk = | |
226 | cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]); | |
227 | cmd.kill_cts_msk = | |
228 | cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]); | |
229 | ||
230 | /* go to CALIB state in internal BT-Coex state machine */ | |
231 | ret = iwl_send_bt_env(mvm, BT_COEX_ENV_OPEN, | |
232 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
233 | if (ret) | |
234 | return ret; | |
235 | ||
236 | ret = iwl_send_bt_env(mvm, BT_COEX_ENV_CLOSE, | |
237 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
238 | if (ret) | |
239 | return ret; | |
240 | ||
241 | return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC, | |
242 | sizeof(cmd), &cmd); | |
243 | } | |
f421f9c3 EG |
244 | |
245 | int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, | |
246 | struct iwl_rx_cmd_buffer *rxb, | |
247 | struct iwl_device_cmd *dev_cmd) | |
248 | { | |
249 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
250 | struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; | |
251 | struct iwl_bt_coex_cmd cmd = {}; | |
252 | enum iwl_bt_kill_msk bt_kill_msk; | |
253 | ||
254 | IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); | |
255 | IWL_DEBUG_COEX(mvm, "\tBT %salive\n", notif->bt_status ? "" : "not "); | |
256 | IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn); | |
257 | IWL_DEBUG_COEX(mvm, "\tBT traffic load %d\n", notif->bt_traffic_load); | |
258 | IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n", | |
259 | notif->bt_agg_traffic_load); | |
260 | IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); | |
261 | ||
262 | /* Low latency BT profile is active: give higher prio to BT */ | |
263 | if (BT_MBOX_MSG(notif, 3, SCO_STATE) || | |
264 | BT_MBOX_MSG(notif, 3, A2DP_STATE) || | |
265 | BT_MBOX_MSG(notif, 3, SNIFF_STATE)) | |
266 | bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP; | |
267 | else | |
268 | bt_kill_msk = BT_KILL_MSK_DEFAULT; | |
269 | ||
270 | /* Don't send HCMD if there is no update */ | |
271 | if (bt_kill_msk == mvm->bt_kill_msk) | |
272 | return 0; | |
273 | ||
274 | IWL_DEBUG_COEX(mvm, | |
275 | "Udpate kill_msk: %d\n\t SCO %sactive A2DP %sactive SNIFF %sactive\n", | |
276 | bt_kill_msk, | |
277 | BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in", | |
278 | BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in", | |
279 | BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in"); | |
280 | ||
281 | mvm->bt_kill_msk = bt_kill_msk; | |
282 | cmd.kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]); | |
283 | cmd.kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]); | |
284 | ||
285 | cmd.valid_bit_msk = cpu_to_le16(BT_VALID_KILL_ACK | BT_VALID_KILL_CTS); | |
286 | ||
287 | if (iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, CMD_SYNC, sizeof(cmd), &cmd)) | |
288 | IWL_ERR(mvm, "Failed to sent BT Coex CMD\n"); | |
289 | ||
290 | /* This handler is ASYNC */ | |
291 | return 0; | |
292 | } |