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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
ath_led_brightness(struct led_classdev * led_cdev,enum led_brightness brightness)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 	u32 val = (brightness == LED_OFF);
29 
30 	if (sc->sc_ah->config.led_active_high)
31 		val = !val;
32 
33 	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val);
34 }
35 
ath_deinit_leds(struct ath_softc * sc)36 void ath_deinit_leds(struct ath_softc *sc)
37 {
38 	if (!sc->led_registered)
39 		return;
40 
41 	ath_led_brightness(&sc->led_cdev, LED_OFF);
42 	led_classdev_unregister(&sc->led_cdev);
43 }
44 
ath_init_leds(struct ath_softc * sc)45 void ath_init_leds(struct ath_softc *sc)
46 {
47 	int ret;
48 
49 	if (AR_SREV_9100(sc->sc_ah))
50 		return;
51 
52 	if (!ath9k_led_blink)
53 		sc->led_cdev.default_trigger =
54 			ieee80211_get_radio_led_name(sc->hw);
55 
56 	snprintf(sc->led_name, sizeof(sc->led_name),
57 		"ath9k-%s", wiphy_name(sc->hw->wiphy));
58 	sc->led_cdev.name = sc->led_name;
59 	sc->led_cdev.brightness_set = ath_led_brightness;
60 
61 	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
62 	if (ret < 0)
63 		return;
64 
65 	sc->led_registered = true;
66 }
67 
ath_fill_led_pin(struct ath_softc * sc)68 void ath_fill_led_pin(struct ath_softc *sc)
69 {
70 	struct ath_hw *ah = sc->sc_ah;
71 
72 	if (AR_SREV_9100(ah))
73 		return;
74 
75 	if (ah->led_pin >= 0) {
76 		if (!((1 << ah->led_pin) & AR_GPIO_OE_OUT_MASK))
77 			ath9k_hw_request_gpio(ah, ah->led_pin, "ath9k-led");
78 		return;
79 	}
80 
81 	if (AR_SREV_9287(ah))
82 		ah->led_pin = ATH_LED_PIN_9287;
83 	else if (AR_SREV_9485(sc->sc_ah))
84 		ah->led_pin = ATH_LED_PIN_9485;
85 	else if (AR_SREV_9300(sc->sc_ah))
86 		ah->led_pin = ATH_LED_PIN_9300;
87 	else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah))
88 		ah->led_pin = ATH_LED_PIN_9462;
89 	else
90 		ah->led_pin = ATH_LED_PIN_DEF;
91 
92 	/* Configure gpio 1 for output */
93 	ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
94 
95 	/* LED off, active low */
96 	ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 0 : 1);
97 }
98 #endif
99 
100 /*******************/
101 /*	Rfkill	   */
102 /*******************/
103 
ath_is_rfkill_set(struct ath_softc * sc)104 static bool ath_is_rfkill_set(struct ath_softc *sc)
105 {
106 	struct ath_hw *ah = sc->sc_ah;
107 	bool is_blocked;
108 
109 	ath9k_ps_wakeup(sc);
110 	is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
111 				  ah->rfkill_polarity;
112 	ath9k_ps_restore(sc);
113 
114 	return is_blocked;
115 }
116 
ath9k_rfkill_poll_state(struct ieee80211_hw * hw)117 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
118 {
119 	struct ath_softc *sc = hw->priv;
120 	bool blocked = !!ath_is_rfkill_set(sc);
121 
122 	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
123 }
124 
ath_start_rfkill_poll(struct ath_softc * sc)125 void ath_start_rfkill_poll(struct ath_softc *sc)
126 {
127 	struct ath_hw *ah = sc->sc_ah;
128 
129 	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
130 		wiphy_rfkill_start_polling(sc->hw->wiphy);
131 }
132 
133 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
134 
135 /******************/
136 /*     BTCOEX     */
137 /******************/
138 
139 /*
140  * Detects if there is any priority bt traffic
141  */
ath_detect_bt_priority(struct ath_softc * sc)142 static void ath_detect_bt_priority(struct ath_softc *sc)
143 {
144 	struct ath_btcoex *btcoex = &sc->btcoex;
145 	struct ath_hw *ah = sc->sc_ah;
146 
147 	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
148 		btcoex->bt_priority_cnt++;
149 
150 	if (time_after(jiffies, btcoex->bt_priority_time +
151 			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
152 		clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
153 		clear_bit(BT_OP_SCAN, &btcoex->op_flags);
154 		/* Detect if colocated bt started scanning */
155 		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
156 			ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
157 				"BT scan detected\n");
158 			set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
159 			set_bit(BT_OP_SCAN, &btcoex->op_flags);
160 		} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
161 			ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
162 				"BT priority traffic detected\n");
163 			set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
164 		}
165 
166 		btcoex->bt_priority_cnt = 0;
167 		btcoex->bt_priority_time = jiffies;
168 	}
169 }
170 
ath_mci_ftp_adjust(struct ath_softc * sc)171 static void ath_mci_ftp_adjust(struct ath_softc *sc)
172 {
173 	struct ath_btcoex *btcoex = &sc->btcoex;
174 	struct ath_mci_profile *mci = &btcoex->mci;
175 	struct ath_hw *ah = sc->sc_ah;
176 
177 	if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) {
178 		if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) &&
179 		    (mci->num_pan || mci->num_other_acl))
180 			ah->btcoex_hw.mci.stomp_ftp =
181 				(sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH);
182 		else
183 			ah->btcoex_hw.mci.stomp_ftp = false;
184 		btcoex->bt_wait_time = 0;
185 		sc->rx.num_pkts = 0;
186 	}
187 }
188 
189 /*
190  * This is the master bt coex timer which runs for every
191  * 45ms, bt traffic will be given priority during 55% of this
192  * period while wlan gets remaining 45%
193  */
ath_btcoex_period_timer(unsigned long data)194 static void ath_btcoex_period_timer(unsigned long data)
195 {
196 	struct ath_softc *sc = (struct ath_softc *) data;
197 	struct ath_hw *ah = sc->sc_ah;
198 	struct ath_btcoex *btcoex = &sc->btcoex;
199 	enum ath_stomp_type stomp_type;
200 	u32 timer_period;
201 	unsigned long flags;
202 
203 	spin_lock_irqsave(&sc->sc_pm_lock, flags);
204 	if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) {
205 		btcoex->bt_wait_time += btcoex->btcoex_period;
206 		spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
207 		goto skip_hw_wakeup;
208 	}
209 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
210 
211 	ath9k_ps_wakeup(sc);
212 	spin_lock_bh(&btcoex->btcoex_lock);
213 
214 	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) {
215 		ath9k_mci_update_rssi(sc);
216 		ath_mci_ftp_adjust(sc);
217 	}
218 
219 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
220 		ath_detect_bt_priority(sc);
221 
222 	stomp_type = btcoex->bt_stomp_type;
223 	timer_period = btcoex->btcoex_no_stomp;
224 
225 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) {
226 		if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) {
227 			stomp_type = ATH_BTCOEX_STOMP_ALL;
228 			timer_period = btcoex->btscan_no_stomp;
229 		}
230 	} else if (btcoex->stomp_audio >= 5) {
231 		stomp_type = ATH_BTCOEX_STOMP_AUDIO;
232 		btcoex->stomp_audio = 0;
233 	}
234 
235 	ath9k_hw_btcoex_bt_stomp(ah, stomp_type);
236 	ath9k_hw_btcoex_enable(ah);
237 
238 	spin_unlock_bh(&btcoex->btcoex_lock);
239 
240 	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp)
241 		mod_timer(&btcoex->no_stomp_timer,
242 			 jiffies + msecs_to_jiffies(timer_period));
243 
244 	ath9k_ps_restore(sc);
245 
246 skip_hw_wakeup:
247 	mod_timer(&btcoex->period_timer,
248 		  jiffies + msecs_to_jiffies(btcoex->btcoex_period));
249 }
250 
251 /*
252  * Generic tsf based hw timer which configures weight
253  * registers to time slice between wlan and bt traffic
254  */
ath_btcoex_no_stomp_timer(unsigned long arg)255 static void ath_btcoex_no_stomp_timer(unsigned long arg)
256 {
257 	struct ath_softc *sc = (struct ath_softc *)arg;
258 	struct ath_hw *ah = sc->sc_ah;
259 	struct ath_btcoex *btcoex = &sc->btcoex;
260 
261 	ath9k_ps_wakeup(sc);
262 	spin_lock_bh(&btcoex->btcoex_lock);
263 
264 	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW ||
265 	    (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) &&
266 	     test_bit(BT_OP_SCAN, &btcoex->op_flags)))
267 		ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
268 	else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
269 		ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW);
270 
271 	ath9k_hw_btcoex_enable(ah);
272 	spin_unlock_bh(&btcoex->btcoex_lock);
273 	ath9k_ps_restore(sc);
274 }
275 
ath_init_btcoex_timer(struct ath_softc * sc)276 static void ath_init_btcoex_timer(struct ath_softc *sc)
277 {
278 	struct ath_btcoex *btcoex = &sc->btcoex;
279 
280 	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
281 	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
282 		btcoex->btcoex_period / 100;
283 	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *
284 				   btcoex->btcoex_period / 100;
285 	btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
286 
287 	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
288 			(unsigned long) sc);
289 	setup_timer(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer,
290 			(unsigned long) sc);
291 
292 	spin_lock_init(&btcoex->btcoex_lock);
293 }
294 
295 /*
296  * (Re)start btcoex timers
297  */
ath9k_btcoex_timer_resume(struct ath_softc * sc)298 void ath9k_btcoex_timer_resume(struct ath_softc *sc)
299 {
300 	struct ath_btcoex *btcoex = &sc->btcoex;
301 	struct ath_hw *ah = sc->sc_ah;
302 
303 	if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE &&
304 	    ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI)
305 		return;
306 
307 	ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n");
308 
309 	/* make sure duty cycle timer is also stopped when resuming */
310 	del_timer_sync(&btcoex->no_stomp_timer);
311 
312 	btcoex->bt_priority_cnt = 0;
313 	btcoex->bt_priority_time = jiffies;
314 	clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
315 	clear_bit(BT_OP_SCAN, &btcoex->op_flags);
316 
317 	mod_timer(&btcoex->period_timer, jiffies);
318 }
319 
320 /*
321  * Pause btcoex timer and bt duty cycle timer
322  */
ath9k_btcoex_timer_pause(struct ath_softc * sc)323 void ath9k_btcoex_timer_pause(struct ath_softc *sc)
324 {
325 	struct ath_btcoex *btcoex = &sc->btcoex;
326 	struct ath_hw *ah = sc->sc_ah;
327 
328 	if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE &&
329 	    ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI)
330 		return;
331 
332 	ath_dbg(ath9k_hw_common(ah), BTCOEX, "Stopping btcoex timers\n");
333 
334 	del_timer_sync(&btcoex->period_timer);
335 	del_timer_sync(&btcoex->no_stomp_timer);
336 }
337 
ath9k_btcoex_stop_gen_timer(struct ath_softc * sc)338 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
339 {
340 	struct ath_btcoex *btcoex = &sc->btcoex;
341 
342 	del_timer_sync(&btcoex->no_stomp_timer);
343 }
344 
ath9k_btcoex_aggr_limit(struct ath_softc * sc,u32 max_4ms_framelen)345 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen)
346 {
347 	struct ath_btcoex *btcoex = &sc->btcoex;
348 	struct ath_mci_profile *mci = &sc->btcoex.mci;
349 	u16 aggr_limit = 0;
350 
351 	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)
352 		aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;
353 	else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags))
354 		aggr_limit = min((max_4ms_framelen * 3) / 8,
355 				 (u32)ATH_AMPDU_LIMIT_MAX);
356 
357 	return aggr_limit;
358 }
359 
ath9k_btcoex_handle_interrupt(struct ath_softc * sc,u32 status)360 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status)
361 {
362 	if (status & ATH9K_INT_MCI)
363 		ath_mci_intr(sc);
364 }
365 
ath9k_start_btcoex(struct ath_softc * sc)366 void ath9k_start_btcoex(struct ath_softc *sc)
367 {
368 	struct ath_hw *ah = sc->sc_ah;
369 
370 	if (ah->btcoex_hw.enabled ||
371 	    ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
372 		return;
373 
374 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
375 		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
376 					   AR_STOMP_LOW_WLAN_WGHT, 0);
377 	else
378 		ath9k_hw_btcoex_set_weight(ah, 0, 0,
379 					   ATH_BTCOEX_STOMP_NONE);
380 	ath9k_hw_btcoex_enable(ah);
381 	ath9k_btcoex_timer_resume(sc);
382 }
383 
ath9k_stop_btcoex(struct ath_softc * sc)384 void ath9k_stop_btcoex(struct ath_softc *sc)
385 {
386 	struct ath_hw *ah = sc->sc_ah;
387 
388 	if (!ah->btcoex_hw.enabled ||
389 	    ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
390 		return;
391 
392 	ath9k_btcoex_timer_pause(sc);
393 	ath9k_hw_btcoex_disable(ah);
394 
395 	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
396 		ath_mci_flush_profile(&sc->btcoex.mci);
397 }
398 
ath9k_deinit_btcoex(struct ath_softc * sc)399 void ath9k_deinit_btcoex(struct ath_softc *sc)
400 {
401 	struct ath_hw *ah = sc->sc_ah;
402 
403 	if (ath9k_hw_mci_is_enabled(ah))
404 		ath_mci_cleanup(sc);
405 }
406 
ath9k_init_btcoex(struct ath_softc * sc)407 int ath9k_init_btcoex(struct ath_softc *sc)
408 {
409 	struct ath_txq *txq;
410 	struct ath_hw *ah = sc->sc_ah;
411 	int r;
412 
413 	ath9k_hw_btcoex_init_scheme(ah);
414 
415 	switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) {
416 	case ATH_BTCOEX_CFG_NONE:
417 		break;
418 	case ATH_BTCOEX_CFG_2WIRE:
419 		ath9k_hw_btcoex_init_2wire(sc->sc_ah);
420 		break;
421 	case ATH_BTCOEX_CFG_3WIRE:
422 		ath9k_hw_btcoex_init_3wire(sc->sc_ah);
423 		ath_init_btcoex_timer(sc);
424 		txq = sc->tx.txq_map[IEEE80211_AC_BE];
425 		ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
426 		break;
427 	case ATH_BTCOEX_CFG_MCI:
428 		ath_init_btcoex_timer(sc);
429 
430 		sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
431 		INIT_LIST_HEAD(&sc->btcoex.mci.info);
432 		ath9k_hw_btcoex_init_mci(ah);
433 
434 		r = ath_mci_setup(sc);
435 		if (r)
436 			return r;
437 
438 		break;
439 	default:
440 		WARN_ON(1);
441 		break;
442 	}
443 
444 	return 0;
445 }
446 
ath9k_dump_mci_btcoex(struct ath_softc * sc,u8 * buf,u32 size)447 static int ath9k_dump_mci_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
448 {
449 	struct ath_btcoex *btcoex = &sc->btcoex;
450 	struct ath_mci_profile *mci = &btcoex->mci;
451 	struct ath_hw *ah = sc->sc_ah;
452 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
453 	u32 len = 0;
454 	int i;
455 
456 	ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci));
457 	ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt);
458 	ATH_DUMP_BTCOEX("SCO", mci->num_sco);
459 	ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp);
460 	ATH_DUMP_BTCOEX("HID", mci->num_hid);
461 	ATH_DUMP_BTCOEX("PAN", mci->num_pan);
462 	ATH_DUMP_BTCOEX("ACL", mci->num_other_acl);
463 	ATH_DUMP_BTCOEX("BDR", mci->num_bdr);
464 	ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit);
465 	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
466 	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
467 	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
468 	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
469 	ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx);
470 	ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count);
471 
472 	len += scnprintf(buf + len, size - len, "BT Weights: ");
473 	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
474 		len += scnprintf(buf + len, size - len, "%08x ",
475 				 btcoex_hw->bt_weight[i]);
476 	len += scnprintf(buf + len, size - len, "\n");
477 	len += scnprintf(buf + len, size - len, "WLAN Weights: ");
478 	for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
479 		len += scnprintf(buf + len, size - len, "%08x ",
480 				 btcoex_hw->wlan_weight[i]);
481 	len += scnprintf(buf + len, size - len, "\n");
482 	len += scnprintf(buf + len, size - len, "Tx Priorities: ");
483 	for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++)
484 		len += scnprintf(buf + len, size - len, "%08x ",
485 				btcoex_hw->tx_prio[i]);
486 
487 	len += scnprintf(buf + len, size - len, "\n");
488 
489 	return len;
490 }
491 
ath9k_dump_legacy_btcoex(struct ath_softc * sc,u8 * buf,u32 size)492 static int ath9k_dump_legacy_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
493 {
494 
495 	struct ath_btcoex *btcoex = &sc->btcoex;
496 	u32 len = 0;
497 
498 	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
499 	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
500 	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
501 	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
502 
503 	return len;
504 }
505 
ath9k_dump_btcoex(struct ath_softc * sc,u8 * buf,u32 size)506 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
507 {
508 	if (ath9k_hw_mci_is_enabled(sc->sc_ah))
509 		return ath9k_dump_mci_btcoex(sc, buf, size);
510 	else
511 		return ath9k_dump_legacy_btcoex(sc, buf, size);
512 }
513 
514 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
515