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 | |
25 | static void ath_fill_led_pin(struct ath_softc *sc) |
26 | { |
27 | struct ath_hw *ah = sc->sc_ah; |
28 | |
29 | /* Set default led pin if invalid */ |
30 | if (ah->led_pin < 0) { |
31 | if (AR_SREV_9287(ah)) |
32 | ah->led_pin = ATH_LED_PIN_9287; |
33 | else if (AR_SREV_9485(ah)) |
34 | ah->led_pin = ATH_LED_PIN_9485; |
35 | else if (AR_SREV_9300(ah)) |
36 | ah->led_pin = ATH_LED_PIN_9300; |
37 | else if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) |
38 | ah->led_pin = ATH_LED_PIN_9462; |
39 | else |
40 | ah->led_pin = ATH_LED_PIN_DEF; |
41 | } |
42 | |
43 | /* Configure gpio for output */ |
44 | ath9k_hw_gpio_request_out(ah, gpio: ah->led_pin, label: "ath9k-led" , |
45 | AR_GPIO_OUTPUT_MUX_AS_OUTPUT); |
46 | |
47 | /* LED off, active low */ |
48 | ath9k_hw_set_gpio(ah, gpio: ah->led_pin, val: ah->config.led_active_high ? 0 : 1); |
49 | } |
50 | |
51 | static void ath_led_brightness(struct led_classdev *led_cdev, |
52 | enum led_brightness brightness) |
53 | { |
54 | struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev); |
55 | u32 val = (brightness == LED_OFF); |
56 | |
57 | if (sc->sc_ah->config.led_active_high) |
58 | val = !val; |
59 | |
60 | ath9k_hw_set_gpio(ah: sc->sc_ah, gpio: sc->sc_ah->led_pin, val); |
61 | } |
62 | |
63 | void ath_deinit_leds(struct ath_softc *sc) |
64 | { |
65 | if (!sc->led_registered) |
66 | return; |
67 | |
68 | ath_led_brightness(led_cdev: &sc->led_cdev, brightness: LED_OFF); |
69 | led_classdev_unregister(led_cdev: &sc->led_cdev); |
70 | |
71 | ath9k_hw_gpio_free(ah: sc->sc_ah, gpio: sc->sc_ah->led_pin); |
72 | } |
73 | |
74 | void ath_init_leds(struct ath_softc *sc) |
75 | { |
76 | int ret; |
77 | |
78 | if (AR_SREV_9100(sc->sc_ah)) |
79 | return; |
80 | |
81 | ath_fill_led_pin(sc); |
82 | |
83 | if (!ath9k_led_blink) |
84 | sc->led_cdev.default_trigger = |
85 | ieee80211_get_radio_led_name(hw: sc->hw); |
86 | |
87 | snprintf(buf: sc->led_name, size: sizeof(sc->led_name), |
88 | fmt: "ath9k-%s" , wiphy_name(wiphy: sc->hw->wiphy)); |
89 | sc->led_cdev.name = sc->led_name; |
90 | sc->led_cdev.brightness_set = ath_led_brightness; |
91 | |
92 | ret = led_classdev_register(parent: wiphy_dev(wiphy: sc->hw->wiphy), led_cdev: &sc->led_cdev); |
93 | if (ret < 0) |
94 | return; |
95 | |
96 | sc->led_registered = true; |
97 | } |
98 | #endif |
99 | |
100 | /*******************/ |
101 | /* Rfkill */ |
102 | /*******************/ |
103 | |
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, gpio: ah->rfkill_gpio) == |
111 | ah->rfkill_polarity; |
112 | ath9k_ps_restore(sc); |
113 | |
114 | return is_blocked; |
115 | } |
116 | |
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(wiphy: hw->wiphy, blocked); |
123 | } |
124 | |
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(wiphy: 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 | */ |
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(ah: sc->sc_ah, gpio: 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(nr: BT_OP_PRIORITY_DETECTED, addr: &btcoex->op_flags); |
153 | clear_bit(nr: BT_OP_SCAN, addr: &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(nr: BT_OP_PRIORITY_DETECTED, addr: &btcoex->op_flags); |
159 | set_bit(nr: BT_OP_SCAN, addr: &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(nr: BT_OP_PRIORITY_DETECTED, addr: &btcoex->op_flags); |
164 | } |
165 | |
166 | btcoex->bt_priority_cnt = 0; |
167 | btcoex->bt_priority_time = jiffies; |
168 | } |
169 | } |
170 | |
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, state_type: 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 | */ |
194 | static void ath_btcoex_period_timer(struct timer_list *t) |
195 | { |
196 | struct ath_softc *sc = from_timer(sc, t, btcoex.period_timer); |
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(lock: &sc->sc_pm_lock, flags); |
207 | goto skip_hw_wakeup; |
208 | } |
209 | spin_unlock_irqrestore(lock: &sc->sc_pm_lock, flags); |
210 | |
211 | ath9k_ps_wakeup(sc); |
212 | spin_lock_bh(lock: &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(lock: &btcoex->btcoex_lock); |
239 | |
240 | if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) |
241 | mod_timer(timer: &btcoex->no_stomp_timer, |
242 | expires: jiffies + msecs_to_jiffies(m: timer_period)); |
243 | |
244 | ath9k_ps_restore(sc); |
245 | |
246 | skip_hw_wakeup: |
247 | mod_timer(timer: &btcoex->period_timer, |
248 | expires: jiffies + msecs_to_jiffies(m: 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 | */ |
255 | static void ath_btcoex_no_stomp_timer(struct timer_list *t) |
256 | { |
257 | struct ath_softc *sc = from_timer(sc, t, btcoex.no_stomp_timer); |
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(lock: &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, stomp_type: ATH_BTCOEX_STOMP_NONE); |
268 | else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) |
269 | ath9k_hw_btcoex_bt_stomp(ah, stomp_type: ATH_BTCOEX_STOMP_LOW); |
270 | |
271 | ath9k_hw_btcoex_enable(ah); |
272 | spin_unlock_bh(lock: &btcoex->btcoex_lock); |
273 | ath9k_ps_restore(sc); |
274 | } |
275 | |
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 | timer_setup(&btcoex->period_timer, ath_btcoex_period_timer, 0); |
288 | timer_setup(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, 0); |
289 | |
290 | spin_lock_init(&btcoex->btcoex_lock); |
291 | } |
292 | |
293 | /* |
294 | * (Re)start btcoex timers |
295 | */ |
296 | void ath9k_btcoex_timer_resume(struct ath_softc *sc) |
297 | { |
298 | struct ath_btcoex *btcoex = &sc->btcoex; |
299 | struct ath_hw *ah = sc->sc_ah; |
300 | |
301 | if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE && |
302 | ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) |
303 | return; |
304 | |
305 | ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n" ); |
306 | |
307 | /* make sure duty cycle timer is also stopped when resuming */ |
308 | del_timer_sync(timer: &btcoex->no_stomp_timer); |
309 | |
310 | btcoex->bt_priority_cnt = 0; |
311 | btcoex->bt_priority_time = jiffies; |
312 | clear_bit(nr: BT_OP_PRIORITY_DETECTED, addr: &btcoex->op_flags); |
313 | clear_bit(nr: BT_OP_SCAN, addr: &btcoex->op_flags); |
314 | |
315 | mod_timer(timer: &btcoex->period_timer, expires: jiffies); |
316 | } |
317 | |
318 | /* |
319 | * Pause btcoex timer and bt duty cycle timer |
320 | */ |
321 | void ath9k_btcoex_timer_pause(struct ath_softc *sc) |
322 | { |
323 | struct ath_btcoex *btcoex = &sc->btcoex; |
324 | struct ath_hw *ah = sc->sc_ah; |
325 | |
326 | if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE && |
327 | ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) |
328 | return; |
329 | |
330 | ath_dbg(ath9k_hw_common(ah), BTCOEX, "Stopping btcoex timers\n" ); |
331 | |
332 | del_timer_sync(timer: &btcoex->period_timer); |
333 | del_timer_sync(timer: &btcoex->no_stomp_timer); |
334 | } |
335 | |
336 | void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) |
337 | { |
338 | struct ath_btcoex *btcoex = &sc->btcoex; |
339 | |
340 | del_timer_sync(timer: &btcoex->no_stomp_timer); |
341 | } |
342 | |
343 | u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) |
344 | { |
345 | struct ath_btcoex *btcoex = &sc->btcoex; |
346 | struct ath_mci_profile *mci = &sc->btcoex.mci; |
347 | u16 aggr_limit = 0; |
348 | |
349 | if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit) |
350 | aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4; |
351 | else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags)) |
352 | aggr_limit = min((max_4ms_framelen * 3) / 8, |
353 | (u32)ATH_AMPDU_LIMIT_MAX); |
354 | |
355 | return aggr_limit; |
356 | } |
357 | |
358 | void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) |
359 | { |
360 | if (status & ATH9K_INT_MCI) |
361 | ath_mci_intr(sc); |
362 | } |
363 | |
364 | void ath9k_start_btcoex(struct ath_softc *sc) |
365 | { |
366 | struct ath_hw *ah = sc->sc_ah; |
367 | |
368 | if (ah->btcoex_hw.enabled || |
369 | ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) |
370 | return; |
371 | |
372 | if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) |
373 | ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, |
374 | AR_STOMP_LOW_WLAN_WGHT, stomp_type: 0); |
375 | else |
376 | ath9k_hw_btcoex_set_weight(ah, bt_weight: 0, wlan_weight: 0, |
377 | stomp_type: ATH_BTCOEX_STOMP_NONE); |
378 | ath9k_hw_btcoex_enable(ah); |
379 | ath9k_btcoex_timer_resume(sc); |
380 | } |
381 | |
382 | void ath9k_stop_btcoex(struct ath_softc *sc) |
383 | { |
384 | struct ath_hw *ah = sc->sc_ah; |
385 | |
386 | if (!ah->btcoex_hw.enabled || |
387 | ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) |
388 | return; |
389 | |
390 | ath9k_btcoex_timer_pause(sc); |
391 | ath9k_hw_btcoex_disable(ah); |
392 | |
393 | if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) |
394 | ath_mci_flush_profile(mci: &sc->btcoex.mci); |
395 | } |
396 | |
397 | void ath9k_deinit_btcoex(struct ath_softc *sc) |
398 | { |
399 | struct ath_hw *ah = sc->sc_ah; |
400 | |
401 | if (ath9k_hw_mci_is_enabled(ah)) |
402 | ath_mci_cleanup(sc); |
403 | else { |
404 | enum ath_btcoex_scheme scheme = ath9k_hw_get_btcoex_scheme(ah); |
405 | |
406 | if (scheme == ATH_BTCOEX_CFG_2WIRE || |
407 | scheme == ATH_BTCOEX_CFG_3WIRE) |
408 | ath9k_hw_btcoex_deinit(ah: sc->sc_ah); |
409 | } |
410 | } |
411 | |
412 | int ath9k_init_btcoex(struct ath_softc *sc) |
413 | { |
414 | struct ath_txq *txq; |
415 | struct ath_hw *ah = sc->sc_ah; |
416 | int r; |
417 | |
418 | ath9k_hw_btcoex_init_scheme(ah); |
419 | |
420 | switch (ath9k_hw_get_btcoex_scheme(ah: sc->sc_ah)) { |
421 | case ATH_BTCOEX_CFG_NONE: |
422 | break; |
423 | case ATH_BTCOEX_CFG_2WIRE: |
424 | ath9k_hw_btcoex_init_2wire(ah: sc->sc_ah); |
425 | break; |
426 | case ATH_BTCOEX_CFG_3WIRE: |
427 | ath9k_hw_btcoex_init_3wire(ah: sc->sc_ah); |
428 | ath_init_btcoex_timer(sc); |
429 | txq = sc->tx.txq_map[IEEE80211_AC_BE]; |
430 | ath9k_hw_init_btcoex_hw(ah: sc->sc_ah, qnum: txq->axq_qnum); |
431 | break; |
432 | case ATH_BTCOEX_CFG_MCI: |
433 | ath_init_btcoex_timer(sc); |
434 | |
435 | sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; |
436 | INIT_LIST_HEAD(list: &sc->btcoex.mci.info); |
437 | ath9k_hw_btcoex_init_mci(ah); |
438 | |
439 | r = ath_mci_setup(sc); |
440 | if (r) |
441 | return r; |
442 | |
443 | break; |
444 | default: |
445 | WARN_ON(1); |
446 | break; |
447 | } |
448 | |
449 | return 0; |
450 | } |
451 | |
452 | static int ath9k_dump_mci_btcoex(struct ath_softc *sc, u8 *buf, u32 size) |
453 | { |
454 | struct ath_btcoex *btcoex = &sc->btcoex; |
455 | struct ath_mci_profile *mci = &btcoex->mci; |
456 | struct ath_hw *ah = sc->sc_ah; |
457 | struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; |
458 | u32 len = 0; |
459 | int i; |
460 | |
461 | ATH_DUMP_BTCOEX("Total BT profiles" , NUM_PROF(mci)); |
462 | ATH_DUMP_BTCOEX("MGMT" , mci->num_mgmt); |
463 | ATH_DUMP_BTCOEX("SCO" , mci->num_sco); |
464 | ATH_DUMP_BTCOEX("A2DP" , mci->num_a2dp); |
465 | ATH_DUMP_BTCOEX("HID" , mci->num_hid); |
466 | ATH_DUMP_BTCOEX("PAN" , mci->num_pan); |
467 | ATH_DUMP_BTCOEX("ACL" , mci->num_other_acl); |
468 | ATH_DUMP_BTCOEX("BDR" , mci->num_bdr); |
469 | ATH_DUMP_BTCOEX("Aggr. Limit" , mci->aggr_limit); |
470 | ATH_DUMP_BTCOEX("Stomp Type" , btcoex->bt_stomp_type); |
471 | ATH_DUMP_BTCOEX("BTCoex Period (msec)" , btcoex->btcoex_period); |
472 | ATH_DUMP_BTCOEX("Duty Cycle" , btcoex->duty_cycle); |
473 | ATH_DUMP_BTCOEX("BT Wait time" , btcoex->bt_wait_time); |
474 | ATH_DUMP_BTCOEX("Concurrent Tx" , btcoex_hw->mci.concur_tx); |
475 | ATH_DUMP_BTCOEX("Concurrent RSSI cnt" , btcoex->rssi_count); |
476 | |
477 | len += scnprintf(buf: buf + len, size: size - len, fmt: "BT Weights: " ); |
478 | for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) |
479 | len += scnprintf(buf: buf + len, size: size - len, fmt: "%08x " , |
480 | btcoex_hw->bt_weight[i]); |
481 | len += scnprintf(buf: buf + len, size: size - len, fmt: "\n" ); |
482 | len += scnprintf(buf: buf + len, size: size - len, fmt: "WLAN Weights: " ); |
483 | for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) |
484 | len += scnprintf(buf: buf + len, size: size - len, fmt: "%08x " , |
485 | btcoex_hw->wlan_weight[i]); |
486 | len += scnprintf(buf: buf + len, size: size - len, fmt: "\n" ); |
487 | len += scnprintf(buf: buf + len, size: size - len, fmt: "Tx Priorities: " ); |
488 | for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++) |
489 | len += scnprintf(buf: buf + len, size: size - len, fmt: "%08x " , |
490 | btcoex_hw->tx_prio[i]); |
491 | |
492 | len += scnprintf(buf: buf + len, size: size - len, fmt: "\n" ); |
493 | |
494 | return len; |
495 | } |
496 | |
497 | static int ath9k_dump_legacy_btcoex(struct ath_softc *sc, u8 *buf, u32 size) |
498 | { |
499 | |
500 | struct ath_btcoex *btcoex = &sc->btcoex; |
501 | u32 len = 0; |
502 | |
503 | ATH_DUMP_BTCOEX("Stomp Type" , btcoex->bt_stomp_type); |
504 | ATH_DUMP_BTCOEX("BTCoex Period (msec)" , btcoex->btcoex_period); |
505 | ATH_DUMP_BTCOEX("Duty Cycle" , btcoex->duty_cycle); |
506 | ATH_DUMP_BTCOEX("BT Wait time" , btcoex->bt_wait_time); |
507 | |
508 | return len; |
509 | } |
510 | |
511 | int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) |
512 | { |
513 | if (ath9k_hw_mci_is_enabled(ah: sc->sc_ah)) |
514 | return ath9k_dump_mci_btcoex(sc, buf, size); |
515 | else |
516 | return ath9k_dump_legacy_btcoex(sc, buf, size); |
517 | } |
518 | |
519 | #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ |
520 | |