1 /* 2 * Copyright (c) 2008-2011 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 17 #include "ath9k.h" 18 19 /********************************/ 20 /* LED functions */ 21 /********************************/ 22 23 #ifdef CONFIG_MAC80211_LEDS 24 static void ath_led_brightness(struct led_classdev *led_cdev, 25 enum led_brightness brightness) 26 { 27 struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev); 28 ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF)); 29 } 30 31 void ath_deinit_leds(struct ath_softc *sc) 32 { 33 if (!sc->led_registered) 34 return; 35 36 ath_led_brightness(&sc->led_cdev, LED_OFF); 37 led_classdev_unregister(&sc->led_cdev); 38 } 39 40 void ath_init_leds(struct ath_softc *sc) 41 { 42 int ret; 43 44 if (AR_SREV_9100(sc->sc_ah)) 45 return; 46 47 if (!led_blink) 48 sc->led_cdev.default_trigger = 49 ieee80211_get_radio_led_name(sc->hw); 50 51 snprintf(sc->led_name, sizeof(sc->led_name), 52 "ath9k-%s", wiphy_name(sc->hw->wiphy)); 53 sc->led_cdev.name = sc->led_name; 54 sc->led_cdev.brightness_set = ath_led_brightness; 55 56 ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev); 57 if (ret < 0) 58 return; 59 60 sc->led_registered = true; 61 } 62 63 void ath_fill_led_pin(struct ath_softc *sc) 64 { 65 struct ath_hw *ah = sc->sc_ah; 66 67 if (AR_SREV_9100(ah) || (ah->led_pin >= 0)) 68 return; 69 70 if (AR_SREV_9287(ah)) 71 ah->led_pin = ATH_LED_PIN_9287; 72 else if (AR_SREV_9485(sc->sc_ah)) 73 ah->led_pin = ATH_LED_PIN_9485; 74 else if (AR_SREV_9300(sc->sc_ah)) 75 ah->led_pin = ATH_LED_PIN_9300; 76 else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah)) 77 ah->led_pin = ATH_LED_PIN_9462; 78 else 79 ah->led_pin = ATH_LED_PIN_DEF; 80 81 /* Configure gpio 1 for output */ 82 ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); 83 84 /* LED off, active low */ 85 ath9k_hw_set_gpio(ah, ah->led_pin, 1); 86 } 87 #endif 88 89 /*******************/ 90 /* Rfkill */ 91 /*******************/ 92 93 static bool ath_is_rfkill_set(struct ath_softc *sc) 94 { 95 struct ath_hw *ah = sc->sc_ah; 96 bool is_blocked; 97 98 ath9k_ps_wakeup(sc); 99 is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) == 100 ah->rfkill_polarity; 101 ath9k_ps_restore(sc); 102 103 return is_blocked; 104 } 105 106 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw) 107 { 108 struct ath_softc *sc = hw->priv; 109 bool blocked = !!ath_is_rfkill_set(sc); 110 111 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 112 } 113 114 void ath_start_rfkill_poll(struct ath_softc *sc) 115 { 116 struct ath_hw *ah = sc->sc_ah; 117 118 if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) 119 wiphy_rfkill_start_polling(sc->hw->wiphy); 120 } 121 122 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 123 124 /******************/ 125 /* BTCOEX */ 126 /******************/ 127 128 /* 129 * Detects if there is any priority bt traffic 130 */ 131 static void ath_detect_bt_priority(struct ath_softc *sc) 132 { 133 struct ath_btcoex *btcoex = &sc->btcoex; 134 struct ath_hw *ah = sc->sc_ah; 135 136 if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio)) 137 btcoex->bt_priority_cnt++; 138 139 if (time_after(jiffies, btcoex->bt_priority_time + 140 msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) { 141 clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 142 clear_bit(BT_OP_SCAN, &btcoex->op_flags); 143 /* Detect if colocated bt started scanning */ 144 if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) { 145 ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, 146 "BT scan detected\n"); 147 set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 148 set_bit(BT_OP_SCAN, &btcoex->op_flags); 149 } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { 150 ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, 151 "BT priority traffic detected\n"); 152 set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 153 } 154 155 btcoex->bt_priority_cnt = 0; 156 btcoex->bt_priority_time = jiffies; 157 } 158 } 159 160 static void ath9k_gen_timer_start(struct ath_hw *ah, 161 struct ath_gen_timer *timer, 162 u32 trig_timeout, 163 u32 timer_period) 164 { 165 ath9k_hw_gen_timer_start(ah, timer, trig_timeout, timer_period); 166 167 if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { 168 ath9k_hw_disable_interrupts(ah); 169 ah->imask |= ATH9K_INT_GENTIMER; 170 ath9k_hw_set_interrupts(ah); 171 ath9k_hw_enable_interrupts(ah); 172 } 173 } 174 175 static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) 176 { 177 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; 178 179 ath9k_hw_gen_timer_stop(ah, timer); 180 181 /* if no timer is enabled, turn off interrupt mask */ 182 if (timer_table->timer_mask.val == 0) { 183 ath9k_hw_disable_interrupts(ah); 184 ah->imask &= ~ATH9K_INT_GENTIMER; 185 ath9k_hw_set_interrupts(ah); 186 ath9k_hw_enable_interrupts(ah); 187 } 188 } 189 190 static void ath_mci_ftp_adjust(struct ath_softc *sc) 191 { 192 struct ath_btcoex *btcoex = &sc->btcoex; 193 struct ath_mci_profile *mci = &btcoex->mci; 194 struct ath_hw *ah = sc->sc_ah; 195 196 if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) { 197 if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) && 198 (mci->num_pan || mci->num_other_acl)) 199 ah->btcoex_hw.mci.stomp_ftp = 200 (sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH); 201 else 202 ah->btcoex_hw.mci.stomp_ftp = false; 203 btcoex->bt_wait_time = 0; 204 sc->rx.num_pkts = 0; 205 } 206 } 207 208 /* 209 * This is the master bt coex timer which runs for every 210 * 45ms, bt traffic will be given priority during 55% of this 211 * period while wlan gets remaining 45% 212 */ 213 static void ath_btcoex_period_timer(unsigned long data) 214 { 215 struct ath_softc *sc = (struct ath_softc *) data; 216 struct ath_hw *ah = sc->sc_ah; 217 struct ath_btcoex *btcoex = &sc->btcoex; 218 enum ath_stomp_type stomp_type; 219 u32 timer_period; 220 unsigned long flags; 221 222 spin_lock_irqsave(&sc->sc_pm_lock, flags); 223 if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) { 224 btcoex->bt_wait_time += btcoex->btcoex_period; 225 spin_unlock_irqrestore(&sc->sc_pm_lock, flags); 226 goto skip_hw_wakeup; 227 } 228 spin_unlock_irqrestore(&sc->sc_pm_lock, flags); 229 230 ath9k_mci_update_rssi(sc); 231 232 ath9k_ps_wakeup(sc); 233 234 if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) 235 ath_detect_bt_priority(sc); 236 237 if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) 238 ath_mci_ftp_adjust(sc); 239 240 spin_lock_bh(&btcoex->btcoex_lock); 241 242 stomp_type = btcoex->bt_stomp_type; 243 timer_period = btcoex->btcoex_no_stomp; 244 245 if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) { 246 if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) { 247 stomp_type = ATH_BTCOEX_STOMP_ALL; 248 timer_period = btcoex->btscan_no_stomp; 249 } 250 } else if (btcoex->stomp_audio >= 5) { 251 stomp_type = ATH_BTCOEX_STOMP_AUDIO; 252 btcoex->stomp_audio = 0; 253 } 254 255 ath9k_hw_btcoex_bt_stomp(ah, stomp_type); 256 ath9k_hw_btcoex_enable(ah); 257 258 spin_unlock_bh(&btcoex->btcoex_lock); 259 260 /* 261 * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec, 262 * ensure that we properly convert btcoex_period to usec 263 * for any comparision with (btcoex/btscan_)no_stomp. 264 */ 265 if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) { 266 if (btcoex->hw_timer_enabled) 267 ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); 268 269 ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period, 270 timer_period * 10); 271 btcoex->hw_timer_enabled = true; 272 } 273 274 ath9k_ps_restore(sc); 275 276 skip_hw_wakeup: 277 mod_timer(&btcoex->period_timer, 278 jiffies + msecs_to_jiffies(btcoex->btcoex_period)); 279 } 280 281 /* 282 * Generic tsf based hw timer which configures weight 283 * registers to time slice between wlan and bt traffic 284 */ 285 static void ath_btcoex_no_stomp_timer(void *arg) 286 { 287 struct ath_softc *sc = (struct ath_softc *)arg; 288 struct ath_hw *ah = sc->sc_ah; 289 struct ath_btcoex *btcoex = &sc->btcoex; 290 struct ath_common *common = ath9k_hw_common(ah); 291 292 ath_dbg(common, BTCOEX, "no stomp timer running\n"); 293 294 ath9k_ps_wakeup(sc); 295 spin_lock_bh(&btcoex->btcoex_lock); 296 297 if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || 298 (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && 299 test_bit(BT_OP_SCAN, &btcoex->op_flags))) 300 ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); 301 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) 302 ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); 303 304 ath9k_hw_btcoex_enable(ah); 305 spin_unlock_bh(&btcoex->btcoex_lock); 306 ath9k_ps_restore(sc); 307 } 308 309 static int ath_init_btcoex_timer(struct ath_softc *sc) 310 { 311 struct ath_btcoex *btcoex = &sc->btcoex; 312 313 btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; 314 btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 * 315 btcoex->btcoex_period / 100; 316 btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 * 317 btcoex->btcoex_period / 100; 318 319 setup_timer(&btcoex->period_timer, ath_btcoex_period_timer, 320 (unsigned long) sc); 321 322 spin_lock_init(&btcoex->btcoex_lock); 323 324 btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah, 325 ath_btcoex_no_stomp_timer, 326 ath_btcoex_no_stomp_timer, 327 (void *) sc, AR_FIRST_NDP_TIMER); 328 329 if (!btcoex->no_stomp_timer) 330 return -ENOMEM; 331 332 return 0; 333 } 334 335 /* 336 * (Re)start btcoex timers 337 */ 338 void ath9k_btcoex_timer_resume(struct ath_softc *sc) 339 { 340 struct ath_btcoex *btcoex = &sc->btcoex; 341 struct ath_hw *ah = sc->sc_ah; 342 343 ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); 344 345 /* make sure duty cycle timer is also stopped when resuming */ 346 if (btcoex->hw_timer_enabled) { 347 ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); 348 btcoex->hw_timer_enabled = false; 349 } 350 351 btcoex->bt_priority_cnt = 0; 352 btcoex->bt_priority_time = jiffies; 353 clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 354 clear_bit(BT_OP_SCAN, &btcoex->op_flags); 355 356 mod_timer(&btcoex->period_timer, jiffies); 357 } 358 359 360 /* 361 * Pause btcoex timer and bt duty cycle timer 362 */ 363 void ath9k_btcoex_timer_pause(struct ath_softc *sc) 364 { 365 struct ath_btcoex *btcoex = &sc->btcoex; 366 struct ath_hw *ah = sc->sc_ah; 367 368 del_timer_sync(&btcoex->period_timer); 369 370 if (btcoex->hw_timer_enabled) { 371 ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); 372 btcoex->hw_timer_enabled = false; 373 } 374 } 375 376 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) 377 { 378 struct ath_btcoex *btcoex = &sc->btcoex; 379 380 if (btcoex->hw_timer_enabled) { 381 ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); 382 btcoex->hw_timer_enabled = false; 383 } 384 } 385 386 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) 387 { 388 struct ath_btcoex *btcoex = &sc->btcoex; 389 struct ath_mci_profile *mci = &sc->btcoex.mci; 390 u16 aggr_limit = 0; 391 392 if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit) 393 aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4; 394 else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags)) 395 aggr_limit = min((max_4ms_framelen * 3) / 8, 396 (u32)ATH_AMPDU_LIMIT_MAX); 397 398 return aggr_limit; 399 } 400 401 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) 402 { 403 struct ath_hw *ah = sc->sc_ah; 404 405 if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 406 if (status & ATH9K_INT_GENTIMER) 407 ath_gen_timer_isr(sc->sc_ah); 408 409 if (status & ATH9K_INT_MCI) 410 ath_mci_intr(sc); 411 } 412 413 void ath9k_start_btcoex(struct ath_softc *sc) 414 { 415 struct ath_hw *ah = sc->sc_ah; 416 417 if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && 418 !ah->btcoex_hw.enabled) { 419 if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) 420 ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, 421 AR_STOMP_LOW_WLAN_WGHT, 0); 422 else 423 ath9k_hw_btcoex_set_weight(ah, 0, 0, 424 ATH_BTCOEX_STOMP_NONE); 425 ath9k_hw_btcoex_enable(ah); 426 427 if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 428 ath9k_btcoex_timer_resume(sc); 429 } 430 } 431 432 void ath9k_stop_btcoex(struct ath_softc *sc) 433 { 434 struct ath_hw *ah = sc->sc_ah; 435 436 if (ah->btcoex_hw.enabled && 437 ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { 438 if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 439 ath9k_btcoex_timer_pause(sc); 440 ath9k_hw_btcoex_disable(ah); 441 if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) 442 ath_mci_flush_profile(&sc->btcoex.mci); 443 } 444 } 445 446 void ath9k_deinit_btcoex(struct ath_softc *sc) 447 { 448 struct ath_hw *ah = sc->sc_ah; 449 450 if ((sc->btcoex.no_stomp_timer) && 451 ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) 452 ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); 453 454 if (ath9k_hw_mci_is_enabled(ah)) 455 ath_mci_cleanup(sc); 456 } 457 458 int ath9k_init_btcoex(struct ath_softc *sc) 459 { 460 struct ath_txq *txq; 461 struct ath_hw *ah = sc->sc_ah; 462 int r; 463 464 ath9k_hw_btcoex_init_scheme(ah); 465 466 switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) { 467 case ATH_BTCOEX_CFG_NONE: 468 break; 469 case ATH_BTCOEX_CFG_2WIRE: 470 ath9k_hw_btcoex_init_2wire(sc->sc_ah); 471 break; 472 case ATH_BTCOEX_CFG_3WIRE: 473 ath9k_hw_btcoex_init_3wire(sc->sc_ah); 474 r = ath_init_btcoex_timer(sc); 475 if (r) 476 return -1; 477 txq = sc->tx.txq_map[IEEE80211_AC_BE]; 478 ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum); 479 sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW; 480 if (ath9k_hw_mci_is_enabled(ah)) { 481 sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; 482 INIT_LIST_HEAD(&sc->btcoex.mci.info); 483 484 r = ath_mci_setup(sc); 485 if (r) 486 return r; 487 488 ath9k_hw_btcoex_init_mci(ah); 489 } 490 491 break; 492 default: 493 WARN_ON(1); 494 break; 495 } 496 497 return 0; 498 } 499 500 static int ath9k_dump_mci_btcoex(struct ath_softc *sc, u8 *buf, u32 size) 501 { 502 struct ath_btcoex *btcoex = &sc->btcoex; 503 struct ath_mci_profile *mci = &btcoex->mci; 504 struct ath_hw *ah = sc->sc_ah; 505 struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; 506 u32 len = 0; 507 int i; 508 509 ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci)); 510 ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt); 511 ATH_DUMP_BTCOEX("SCO", mci->num_sco); 512 ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp); 513 ATH_DUMP_BTCOEX("HID", mci->num_hid); 514 ATH_DUMP_BTCOEX("PAN", mci->num_pan); 515 ATH_DUMP_BTCOEX("ACL", mci->num_other_acl); 516 ATH_DUMP_BTCOEX("BDR", mci->num_bdr); 517 ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit); 518 ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type); 519 ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period); 520 ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle); 521 ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time); 522 ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx); 523 ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count); 524 525 len += snprintf(buf + len, size - len, "BT Weights: "); 526 for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) 527 len += snprintf(buf + len, size - len, "%08x ", 528 btcoex_hw->bt_weight[i]); 529 len += snprintf(buf + len, size - len, "\n"); 530 len += snprintf(buf + len, size - len, "WLAN Weights: "); 531 for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) 532 len += snprintf(buf + len, size - len, "%08x ", 533 btcoex_hw->wlan_weight[i]); 534 len += snprintf(buf + len, size - len, "\n"); 535 len += snprintf(buf + len, size - len, "Tx Priorities: "); 536 for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++) 537 len += snprintf(buf + len, size - len, "%08x ", 538 btcoex_hw->tx_prio[i]); 539 540 len += snprintf(buf + len, size - len, "\n"); 541 542 return len; 543 } 544 545 static int ath9k_dump_legacy_btcoex(struct ath_softc *sc, u8 *buf, u32 size) 546 { 547 548 struct ath_btcoex *btcoex = &sc->btcoex; 549 u32 len = 0; 550 551 ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type); 552 ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period); 553 ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle); 554 ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time); 555 556 return len; 557 } 558 559 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) 560 { 561 if (ath9k_hw_mci_is_enabled(sc->sc_ah)) 562 return ath9k_dump_mci_btcoex(sc, buf, size); 563 else 564 return ath9k_dump_legacy_btcoex(sc, buf, size); 565 } 566 567 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ 568