Commit | Line | Data |
---|---|---|
7dc181c2 RM |
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 | ||
9e25365f MSS |
17 | #include <linux/dma-mapping.h> |
18 | #include <linux/slab.h> | |
19 | ||
7dc181c2 RM |
20 | #include "ath9k.h" |
21 | #include "mci.h" | |
22 | ||
6ec414fd | 23 | static const u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 }; |
7dc181c2 RM |
24 | |
25 | static struct ath_mci_profile_info* | |
26 | ath_mci_find_profile(struct ath_mci_profile *mci, | |
27 | struct ath_mci_profile_info *info) | |
28 | { | |
29 | struct ath_mci_profile_info *entry; | |
30 | ||
31 | list_for_each_entry(entry, &mci->info, list) { | |
32 | if (entry->conn_handle == info->conn_handle) | |
33 | break; | |
34 | } | |
35 | return entry; | |
36 | } | |
37 | ||
38 | static bool ath_mci_add_profile(struct ath_common *common, | |
39 | struct ath_mci_profile *mci, | |
40 | struct ath_mci_profile_info *info) | |
41 | { | |
42 | struct ath_mci_profile_info *entry; | |
43 | ||
44 | if ((mci->num_sco == ATH_MCI_MAX_SCO_PROFILE) && | |
682dd04b | 45 | (info->type == MCI_GPM_COEX_PROFILE_VOICE)) |
7dc181c2 | 46 | return false; |
7dc181c2 RM |
47 | |
48 | if (((NUM_PROF(mci) - mci->num_sco) == ATH_MCI_MAX_ACL_PROFILE) && | |
682dd04b | 49 | (info->type != MCI_GPM_COEX_PROFILE_VOICE)) |
7dc181c2 | 50 | return false; |
7dc181c2 RM |
51 | |
52 | entry = ath_mci_find_profile(mci, info); | |
53 | ||
682dd04b | 54 | if (entry) { |
7dc181c2 | 55 | memcpy(entry, info, 10); |
682dd04b | 56 | } else { |
7dc181c2 RM |
57 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
58 | if (!entry) | |
59 | return false; | |
60 | ||
61 | memcpy(entry, info, 10); | |
62 | INC_PROF(mci, info); | |
63 | list_add_tail(&info->list, &mci->info); | |
64 | } | |
682dd04b | 65 | |
7dc181c2 RM |
66 | return true; |
67 | } | |
68 | ||
69 | static void ath_mci_del_profile(struct ath_common *common, | |
70 | struct ath_mci_profile *mci, | |
71 | struct ath_mci_profile_info *info) | |
72 | { | |
73 | struct ath_mci_profile_info *entry; | |
74 | ||
75 | entry = ath_mci_find_profile(mci, info); | |
76 | ||
682dd04b | 77 | if (!entry) |
7dc181c2 | 78 | return; |
682dd04b | 79 | |
7dc181c2 RM |
80 | DEC_PROF(mci, entry); |
81 | list_del(&entry->list); | |
82 | kfree(entry); | |
83 | } | |
84 | ||
85 | void ath_mci_flush_profile(struct ath_mci_profile *mci) | |
86 | { | |
87 | struct ath_mci_profile_info *info, *tinfo; | |
88 | ||
89 | list_for_each_entry_safe(info, tinfo, &mci->info, list) { | |
90 | list_del(&info->list); | |
91 | DEC_PROF(mci, info); | |
92 | kfree(info); | |
93 | } | |
94 | mci->aggr_limit = 0; | |
95 | } | |
96 | ||
97 | static void ath_mci_adjust_aggr_limit(struct ath_btcoex *btcoex) | |
98 | { | |
99 | struct ath_mci_profile *mci = &btcoex->mci; | |
100 | u32 wlan_airtime = btcoex->btcoex_period * | |
101 | (100 - btcoex->duty_cycle) / 100; | |
102 | ||
103 | /* | |
104 | * Scale: wlan_airtime is in ms, aggr_limit is in 0.25 ms. | |
105 | * When wlan_airtime is less than 4ms, aggregation limit has to be | |
106 | * adjusted half of wlan_airtime to ensure that the aggregation can fit | |
107 | * without collision with BT traffic. | |
108 | */ | |
109 | if ((wlan_airtime <= 4) && | |
110 | (!mci->aggr_limit || (mci->aggr_limit > (2 * wlan_airtime)))) | |
111 | mci->aggr_limit = 2 * wlan_airtime; | |
112 | } | |
113 | ||
114 | static void ath_mci_update_scheme(struct ath_softc *sc) | |
115 | { | |
116 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
117 | struct ath_btcoex *btcoex = &sc->btcoex; | |
118 | struct ath_mci_profile *mci = &btcoex->mci; | |
119 | struct ath_mci_profile_info *info; | |
120 | u32 num_profile = NUM_PROF(mci); | |
121 | ||
122 | if (num_profile == 1) { | |
123 | info = list_first_entry(&mci->info, | |
124 | struct ath_mci_profile_info, | |
125 | list); | |
126 | if (mci->num_sco && info->T == 12) { | |
127 | mci->aggr_limit = 8; | |
d2182b69 | 128 | ath_dbg(common, MCI, |
7dc181c2 RM |
129 | "Single SCO, aggregation limit 2 ms\n"); |
130 | } else if ((info->type == MCI_GPM_COEX_PROFILE_BNEP) && | |
131 | !info->master) { | |
132 | btcoex->btcoex_period = 60; | |
d2182b69 | 133 | ath_dbg(common, MCI, |
7dc181c2 RM |
134 | "Single slave PAN/FTP, bt period 60 ms\n"); |
135 | } else if ((info->type == MCI_GPM_COEX_PROFILE_HID) && | |
136 | (info->T > 0 && info->T < 50) && | |
137 | (info->A > 1 || info->W > 1)) { | |
138 | btcoex->duty_cycle = 30; | |
139 | mci->aggr_limit = 8; | |
d2182b69 | 140 | ath_dbg(common, MCI, |
7dc181c2 RM |
141 | "Multiple attempt/timeout single HID " |
142 | "aggregation limit 2 ms dutycycle 30%%\n"); | |
143 | } | |
144 | } else if ((num_profile == 2) && (mci->num_hid == 2)) { | |
145 | btcoex->duty_cycle = 30; | |
146 | mci->aggr_limit = 8; | |
d2182b69 | 147 | ath_dbg(common, MCI, |
7dc181c2 RM |
148 | "Two HIDs aggregation limit 2 ms dutycycle 30%%\n"); |
149 | } else if (num_profile > 3) { | |
150 | mci->aggr_limit = 6; | |
d2182b69 | 151 | ath_dbg(common, MCI, |
7dc181c2 RM |
152 | "Three or more profiles aggregation limit 1.5 ms\n"); |
153 | } | |
154 | ||
155 | if (IS_CHAN_2GHZ(sc->sc_ah->curchan)) { | |
156 | if (IS_CHAN_HT(sc->sc_ah->curchan)) | |
157 | ath_mci_adjust_aggr_limit(btcoex); | |
158 | else | |
159 | btcoex->btcoex_period >>= 1; | |
160 | } | |
161 | ||
162 | ath9k_hw_btcoex_disable(sc->sc_ah); | |
163 | ath9k_btcoex_timer_pause(sc); | |
164 | ||
165 | if (IS_CHAN_5GHZ(sc->sc_ah->curchan)) | |
166 | return; | |
167 | ||
168 | btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_MAX_DUTY_CYCLE : 0); | |
169 | if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE) | |
170 | btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE; | |
171 | ||
172 | btcoex->btcoex_period *= 1000; | |
173 | btcoex->btcoex_no_stomp = btcoex->btcoex_period * | |
682dd04b | 174 | (100 - btcoex->duty_cycle) / 100; |
7dc181c2 RM |
175 | |
176 | ath9k_hw_btcoex_enable(sc->sc_ah); | |
177 | ath9k_btcoex_timer_resume(sc); | |
178 | } | |
179 | ||
19686ddf MSS |
180 | static void ath_mci_cal_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload) |
181 | { | |
182 | struct ath_hw *ah = sc->sc_ah; | |
183 | struct ath_common *common = ath9k_hw_common(ah); | |
184 | u32 payload[4] = {0, 0, 0, 0}; | |
185 | ||
186 | switch (opcode) { | |
187 | case MCI_GPM_BT_CAL_REQ: | |
19686ddf MSS |
188 | if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) { |
189 | ar9003_mci_state(ah, MCI_STATE_SET_BT_CAL_START, NULL); | |
190 | ieee80211_queue_work(sc->hw, &sc->hw_reset_work); | |
682dd04b SM |
191 | } else { |
192 | ath_dbg(common, MCI, "MCI State mismatch: %d\n", | |
19686ddf | 193 | ar9003_mci_state(ah, MCI_STATE_BT, NULL)); |
682dd04b | 194 | } |
19686ddf | 195 | break; |
19686ddf | 196 | case MCI_GPM_BT_CAL_DONE: |
682dd04b | 197 | ar9003_mci_state(ah, MCI_STATE_BT, NULL); |
19686ddf | 198 | break; |
19686ddf | 199 | case MCI_GPM_BT_CAL_GRANT: |
19686ddf MSS |
200 | MCI_GPM_SET_CAL_TYPE(payload, MCI_GPM_WLAN_CAL_DONE); |
201 | ar9003_mci_send_message(sc->sc_ah, MCI_GPM, 0, payload, | |
202 | 16, false, true); | |
203 | break; | |
19686ddf | 204 | default: |
682dd04b | 205 | ath_dbg(common, MCI, "Unknown GPM CAL message\n"); |
19686ddf MSS |
206 | break; |
207 | } | |
208 | } | |
209 | ||
e5f0a276 FF |
210 | static void ath_mci_process_profile(struct ath_softc *sc, |
211 | struct ath_mci_profile_info *info) | |
7dc181c2 RM |
212 | { |
213 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
214 | struct ath_btcoex *btcoex = &sc->btcoex; | |
215 | struct ath_mci_profile *mci = &btcoex->mci; | |
216 | ||
217 | if (info->start) { | |
218 | if (!ath_mci_add_profile(common, mci, info)) | |
219 | return; | |
220 | } else | |
221 | ath_mci_del_profile(common, mci, info); | |
222 | ||
223 | btcoex->btcoex_period = ATH_MCI_DEF_BT_PERIOD; | |
224 | mci->aggr_limit = mci->num_sco ? 6 : 0; | |
682dd04b | 225 | |
7dc181c2 RM |
226 | if (NUM_PROF(mci)) { |
227 | btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW; | |
228 | btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)]; | |
229 | } else { | |
230 | btcoex->bt_stomp_type = mci->num_mgmt ? ATH_BTCOEX_STOMP_ALL : | |
231 | ATH_BTCOEX_STOMP_LOW; | |
232 | btcoex->duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; | |
233 | } | |
234 | ||
235 | ath_mci_update_scheme(sc); | |
236 | } | |
237 | ||
e5f0a276 FF |
238 | static void ath_mci_process_status(struct ath_softc *sc, |
239 | struct ath_mci_profile_status *status) | |
7dc181c2 | 240 | { |
7dc181c2 RM |
241 | struct ath_btcoex *btcoex = &sc->btcoex; |
242 | struct ath_mci_profile *mci = &btcoex->mci; | |
243 | struct ath_mci_profile_info info; | |
244 | int i = 0, old_num_mgmt = mci->num_mgmt; | |
245 | ||
246 | /* Link status type are not handled */ | |
682dd04b | 247 | if (status->is_link) |
7dc181c2 | 248 | return; |
7dc181c2 RM |
249 | |
250 | memset(&info, 0, sizeof(struct ath_mci_profile_info)); | |
251 | ||
252 | info.conn_handle = status->conn_handle; | |
682dd04b | 253 | if (ath_mci_find_profile(mci, &info)) |
7dc181c2 | 254 | return; |
682dd04b SM |
255 | |
256 | if (status->conn_handle >= ATH_MCI_MAX_PROFILE) | |
7dc181c2 | 257 | return; |
682dd04b | 258 | |
7dc181c2 RM |
259 | if (status->is_critical) |
260 | __set_bit(status->conn_handle, mci->status); | |
261 | else | |
262 | __clear_bit(status->conn_handle, mci->status); | |
263 | ||
264 | mci->num_mgmt = 0; | |
265 | do { | |
266 | if (test_bit(i, mci->status)) | |
267 | mci->num_mgmt++; | |
268 | } while (++i < ATH_MCI_MAX_PROFILE); | |
269 | ||
270 | if (old_num_mgmt != mci->num_mgmt) | |
271 | ath_mci_update_scheme(sc); | |
272 | } | |
9e25365f | 273 | |
19686ddf MSS |
274 | static void ath_mci_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload) |
275 | { | |
276 | struct ath_hw *ah = sc->sc_ah; | |
277 | struct ath_mci_profile_info profile_info; | |
278 | struct ath_mci_profile_status profile_status; | |
279 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
280 | u32 version; | |
281 | u8 major; | |
282 | u8 minor; | |
283 | u32 seq_num; | |
284 | ||
285 | switch (opcode) { | |
19686ddf | 286 | case MCI_GPM_COEX_VERSION_QUERY: |
682dd04b SM |
287 | version = ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_COEX_VERSION, |
288 | NULL); | |
19686ddf | 289 | break; |
19686ddf | 290 | case MCI_GPM_COEX_VERSION_RESPONSE: |
19686ddf MSS |
291 | major = *(rx_payload + MCI_GPM_COEX_B_MAJOR_VERSION); |
292 | minor = *(rx_payload + MCI_GPM_COEX_B_MINOR_VERSION); | |
19686ddf | 293 | version = (major << 8) + minor; |
682dd04b SM |
294 | version = ar9003_mci_state(ah, MCI_STATE_SET_BT_COEX_VERSION, |
295 | &version); | |
19686ddf | 296 | break; |
19686ddf | 297 | case MCI_GPM_COEX_STATUS_QUERY: |
682dd04b | 298 | ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_CHANNELS, NULL); |
19686ddf | 299 | break; |
19686ddf | 300 | case MCI_GPM_COEX_BT_PROFILE_INFO: |
19686ddf MSS |
301 | memcpy(&profile_info, |
302 | (rx_payload + MCI_GPM_COEX_B_PROFILE_TYPE), 10); | |
303 | ||
682dd04b SM |
304 | if ((profile_info.type == MCI_GPM_COEX_PROFILE_UNKNOWN) || |
305 | (profile_info.type >= MCI_GPM_COEX_PROFILE_MAX)) { | |
d2182b69 | 306 | ath_dbg(common, MCI, |
682dd04b | 307 | "Illegal profile type = %d, state = %d\n", |
d2182b69 | 308 | profile_info.type, |
19686ddf MSS |
309 | profile_info.start); |
310 | break; | |
311 | } | |
312 | ||
313 | ath_mci_process_profile(sc, &profile_info); | |
314 | break; | |
19686ddf MSS |
315 | case MCI_GPM_COEX_BT_STATUS_UPDATE: |
316 | profile_status.is_link = *(rx_payload + | |
317 | MCI_GPM_COEX_B_STATUS_TYPE); | |
318 | profile_status.conn_handle = *(rx_payload + | |
319 | MCI_GPM_COEX_B_STATUS_LINKID); | |
320 | profile_status.is_critical = *(rx_payload + | |
321 | MCI_GPM_COEX_B_STATUS_STATE); | |
322 | ||
323 | seq_num = *((u32 *)(rx_payload + 12)); | |
d2182b69 | 324 | ath_dbg(common, MCI, |
682dd04b | 325 | "BT_Status_Update: is_link=%d, linkId=%d, state=%d, SEQ=%d\n", |
19686ddf MSS |
326 | profile_status.is_link, profile_status.conn_handle, |
327 | profile_status.is_critical, seq_num); | |
328 | ||
329 | ath_mci_process_status(sc, &profile_status); | |
330 | break; | |
19686ddf | 331 | default: |
682dd04b | 332 | ath_dbg(common, MCI, "Unknown GPM COEX message = 0x%02x\n", opcode); |
19686ddf MSS |
333 | break; |
334 | } | |
335 | } | |
9e25365f | 336 | |
9e25365f MSS |
337 | int ath_mci_setup(struct ath_softc *sc) |
338 | { | |
339 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); | |
340 | struct ath_mci_coex *mci = &sc->mci_coex; | |
ea510e4b | 341 | struct ath_mci_buf *buf = &mci->sched_buf; |
9e25365f | 342 | |
ea510e4b SM |
343 | buf->bf_addr = dma_alloc_coherent(sc->dev, |
344 | ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE, | |
345 | &buf->bf_paddr, GFP_KERNEL); | |
9e25365f | 346 | |
ea510e4b | 347 | if (buf->bf_addr == NULL) { |
d2182b69 | 348 | ath_dbg(common, FATAL, "MCI buffer alloc failed\n"); |
ea510e4b | 349 | return -ENOMEM; |
9e25365f MSS |
350 | } |
351 | ||
ea510e4b SM |
352 | memset(buf->bf_addr, MCI_GPM_RSVD_PATTERN, |
353 | ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE); | |
9e25365f | 354 | |
ea510e4b | 355 | mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE; |
9e25365f MSS |
356 | |
357 | mci->gpm_buf.bf_len = ATH_MCI_GPM_BUF_SIZE; | |
ea510e4b | 358 | mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr + mci->sched_buf.bf_len; |
9e25365f MSS |
359 | mci->gpm_buf.bf_paddr = mci->sched_buf.bf_paddr + mci->sched_buf.bf_len; |
360 | ||
9e25365f MSS |
361 | ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr, |
362 | mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4), | |
363 | mci->sched_buf.bf_paddr); | |
ea510e4b SM |
364 | |
365 | ath_dbg(common, MCI, "MCI Initialized\n"); | |
366 | ||
367 | return 0; | |
9e25365f MSS |
368 | } |
369 | ||
370 | void ath_mci_cleanup(struct ath_softc *sc) | |
371 | { | |
ea510e4b | 372 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
9e25365f MSS |
373 | struct ath_hw *ah = sc->sc_ah; |
374 | struct ath_mci_coex *mci = &sc->mci_coex; | |
ea510e4b | 375 | struct ath_mci_buf *buf = &mci->sched_buf; |
9e25365f | 376 | |
ea510e4b SM |
377 | if (buf->bf_addr) |
378 | dma_free_coherent(sc->dev, | |
379 | ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE, | |
380 | buf->bf_addr, buf->bf_paddr); | |
381 | ||
9e25365f | 382 | ar9003_mci_cleanup(ah); |
ea510e4b SM |
383 | |
384 | ath_dbg(common, MCI, "MCI De-Initialized\n"); | |
9e25365f | 385 | } |
19686ddf MSS |
386 | |
387 | void ath_mci_intr(struct ath_softc *sc) | |
388 | { | |
389 | struct ath_mci_coex *mci = &sc->mci_coex; | |
390 | struct ath_hw *ah = sc->sc_ah; | |
391 | struct ath_common *common = ath9k_hw_common(ah); | |
392 | u32 mci_int, mci_int_rxmsg; | |
393 | u32 offset, subtype, opcode; | |
394 | u32 *pgpm; | |
395 | u32 more_data = MCI_GPM_MORE; | |
396 | bool skip_gpm = false; | |
397 | ||
398 | ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg); | |
399 | ||
400 | if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) == 0) { | |
682dd04b | 401 | ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET, NULL); |
19686ddf MSS |
402 | return; |
403 | } | |
404 | ||
405 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE) { | |
406 | u32 payload[4] = { 0xffffffff, 0xffffffff, | |
407 | 0xffffffff, 0xffffff00}; | |
408 | ||
409 | /* | |
410 | * The following REMOTE_RESET and SYS_WAKING used to sent | |
411 | * only when BT wake up. Now they are always sent, as a | |
412 | * recovery method to reset BT MCI's RX alignment. | |
413 | */ | |
19686ddf MSS |
414 | ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0, |
415 | payload, 16, true, false); | |
19686ddf MSS |
416 | ar9003_mci_send_message(ah, MCI_SYS_WAKING, 0, |
417 | NULL, 0, true, false); | |
418 | ||
419 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE; | |
420 | ar9003_mci_state(ah, MCI_STATE_RESET_REQ_WAKE, NULL); | |
421 | ||
422 | /* | |
423 | * always do this for recovery and 2G/5G toggling and LNA_TRANS | |
424 | */ | |
19686ddf MSS |
425 | ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE, NULL); |
426 | } | |
427 | ||
19686ddf MSS |
428 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING) { |
429 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING; | |
430 | ||
431 | if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_SLEEP) { | |
682dd04b SM |
432 | if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) != |
433 | MCI_BT_SLEEP) | |
434 | ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE, | |
435 | NULL); | |
436 | } | |
19686ddf MSS |
437 | } |
438 | ||
439 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) { | |
19686ddf MSS |
440 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING; |
441 | ||
442 | if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) { | |
682dd04b SM |
443 | if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) != |
444 | MCI_BT_AWAKE) | |
19686ddf MSS |
445 | ar9003_mci_state(ah, MCI_STATE_SET_BT_SLEEP, |
446 | NULL); | |
682dd04b | 447 | } |
19686ddf MSS |
448 | } |
449 | ||
450 | if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) || | |
451 | (mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT)) { | |
19686ddf MSS |
452 | ar9003_mci_state(ah, MCI_STATE_RECOVER_RX, NULL); |
453 | skip_gpm = true; | |
454 | } | |
455 | ||
456 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO) { | |
19686ddf MSS |
457 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO; |
458 | offset = ar9003_mci_state(ah, MCI_STATE_LAST_SCHD_MSG_OFFSET, | |
459 | NULL); | |
460 | } | |
461 | ||
462 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_GPM) { | |
19686ddf MSS |
463 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_GPM; |
464 | ||
465 | while (more_data == MCI_GPM_MORE) { | |
466 | ||
467 | pgpm = mci->gpm_buf.bf_addr; | |
682dd04b SM |
468 | offset = ar9003_mci_state(ah, MCI_STATE_NEXT_GPM_OFFSET, |
469 | &more_data); | |
19686ddf MSS |
470 | |
471 | if (offset == MCI_GPM_INVALID) | |
472 | break; | |
473 | ||
474 | pgpm += (offset >> 2); | |
475 | ||
476 | /* | |
477 | * The first dword is timer. | |
478 | * The real data starts from 2nd dword. | |
479 | */ | |
19686ddf MSS |
480 | subtype = MCI_GPM_TYPE(pgpm); |
481 | opcode = MCI_GPM_OPCODE(pgpm); | |
482 | ||
682dd04b SM |
483 | if (skip_gpm) |
484 | goto recycle; | |
485 | ||
486 | if (MCI_GPM_IS_CAL_TYPE(subtype)) { | |
487 | ath_mci_cal_msg(sc, subtype, (u8 *)pgpm); | |
488 | } else { | |
489 | switch (subtype) { | |
490 | case MCI_GPM_COEX_AGENT: | |
491 | ath_mci_msg(sc, opcode, (u8 *)pgpm); | |
492 | break; | |
493 | default: | |
494 | break; | |
19686ddf MSS |
495 | } |
496 | } | |
682dd04b | 497 | recycle: |
19686ddf MSS |
498 | MCI_GPM_RECYCLE(pgpm); |
499 | } | |
500 | } | |
501 | ||
502 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_HW_MSG_MASK) { | |
19686ddf MSS |
503 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL) |
504 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL; | |
505 | ||
682dd04b | 506 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_INFO) |
19686ddf | 507 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_INFO; |
19686ddf MSS |
508 | |
509 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO) { | |
19686ddf | 510 | int value_dbm = ar9003_mci_state(ah, |
682dd04b | 511 | MCI_STATE_CONT_RSSI_POWER, NULL); |
19686ddf MSS |
512 | |
513 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_INFO; | |
514 | ||
515 | if (ar9003_mci_state(ah, MCI_STATE_CONT_TXRX, NULL)) | |
d2182b69 JP |
516 | ath_dbg(common, MCI, |
517 | "MCI CONT_INFO: (tx) pri = %d, pwr = %d dBm\n", | |
19686ddf | 518 | ar9003_mci_state(ah, |
682dd04b | 519 | MCI_STATE_CONT_PRIORITY, NULL), |
19686ddf MSS |
520 | value_dbm); |
521 | else | |
d2182b69 JP |
522 | ath_dbg(common, MCI, |
523 | "MCI CONT_INFO: (rx) pri = %d,pwr = %d dBm\n", | |
19686ddf | 524 | ar9003_mci_state(ah, |
682dd04b | 525 | MCI_STATE_CONT_PRIORITY, NULL), |
19686ddf MSS |
526 | value_dbm); |
527 | } | |
528 | ||
682dd04b | 529 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_NACK) |
19686ddf | 530 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_NACK; |
19686ddf | 531 | |
682dd04b | 532 | if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_RST) |
19686ddf | 533 | mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_RST; |
19686ddf MSS |
534 | } |
535 | ||
536 | if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) || | |
537 | (mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT)) | |
538 | mci_int &= ~(AR_MCI_INTERRUPT_RX_INVALID_HDR | | |
539 | AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT); | |
19686ddf | 540 | } |