2 * Copyright (c) 2008-2009 Atheros Communications Inc.
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.
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.
18 #include <asm/unaligned.h>
23 static int btcoex_enable;
24 module_param(btcoex_enable, bool, 0);
25 MODULE_PARM_DESC(btcoex_enable, "Enable Bluetooth coexistence support");
27 #define ATH9K_CLOCK_RATE_CCK 22
28 #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
29 #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
31 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
32 static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
33 enum ath9k_ht_macmode macmode);
34 static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
35 struct ar5416_eeprom_def *pEepData,
37 static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
38 static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
40 /********************/
41 /* Helper Functions */
42 /********************/
44 static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
46 struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
48 if (!ah->curchan) /* should really check for CCK instead */
49 return clks / ATH9K_CLOCK_RATE_CCK;
50 if (conf->channel->band == IEEE80211_BAND_2GHZ)
51 return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
53 return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
56 static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
58 struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
60 if (conf_is_ht40(conf))
61 return ath9k_hw_mac_usec(ah, clks) / 2;
63 return ath9k_hw_mac_usec(ah, clks);
66 static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
68 struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
70 if (!ah->curchan) /* should really check for CCK instead */
71 return usecs *ATH9K_CLOCK_RATE_CCK;
72 if (conf->channel->band == IEEE80211_BAND_2GHZ)
73 return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
74 return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
77 static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
79 struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
81 if (conf_is_ht40(conf))
82 return ath9k_hw_mac_clks(ah, usecs) * 2;
84 return ath9k_hw_mac_clks(ah, usecs);
88 * Read and write, they both share the same lock. We do this to serialize
89 * reads and writes on Atheros 802.11n PCI devices only. This is required
90 * as the FIFO on these devices can only accept sanely 2 requests. After
91 * that the device goes bananas. Serializing the reads/writes prevents this
95 void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val)
97 if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
99 spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
100 iowrite32(val, ah->ah_sc->mem + reg_offset);
101 spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
103 iowrite32(val, ah->ah_sc->mem + reg_offset);
106 unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset)
109 if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
111 spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
112 val = ioread32(ah->ah_sc->mem + reg_offset);
113 spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
115 val = ioread32(ah->ah_sc->mem + reg_offset);
119 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
123 BUG_ON(timeout < AH_TIME_QUANTUM);
125 for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) {
126 if ((REG_READ(ah, reg) & mask) == val)
129 udelay(AH_TIME_QUANTUM);
132 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
133 "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
134 timeout, reg, REG_READ(ah, reg), mask, val);
139 u32 ath9k_hw_reverse_bits(u32 val, u32 n)
144 for (i = 0, retval = 0; i < n; i++) {
145 retval = (retval << 1) | (val & 1);
151 bool ath9k_get_channel_edges(struct ath_hw *ah,
155 struct ath9k_hw_capabilities *pCap = &ah->caps;
157 if (flags & CHANNEL_5GHZ) {
158 *low = pCap->low_5ghz_chan;
159 *high = pCap->high_5ghz_chan;
162 if ((flags & CHANNEL_2GHZ)) {
163 *low = pCap->low_2ghz_chan;
164 *high = pCap->high_2ghz_chan;
170 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
171 const struct ath_rate_table *rates,
172 u32 frameLen, u16 rateix,
175 u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
178 kbps = rates->info[rateix].ratekbps;
183 switch (rates->info[rateix].phy) {
184 case WLAN_RC_PHY_CCK:
185 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
186 if (shortPreamble && rates->info[rateix].short_preamble)
188 numBits = frameLen << 3;
189 txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
191 case WLAN_RC_PHY_OFDM:
192 if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) {
193 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
194 numBits = OFDM_PLCP_BITS + (frameLen << 3);
195 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
196 txTime = OFDM_SIFS_TIME_QUARTER
197 + OFDM_PREAMBLE_TIME_QUARTER
198 + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
199 } else if (ah->curchan &&
200 IS_CHAN_HALF_RATE(ah->curchan)) {
201 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
202 numBits = OFDM_PLCP_BITS + (frameLen << 3);
203 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
204 txTime = OFDM_SIFS_TIME_HALF +
205 OFDM_PREAMBLE_TIME_HALF
206 + (numSymbols * OFDM_SYMBOL_TIME_HALF);
208 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
209 numBits = OFDM_PLCP_BITS + (frameLen << 3);
210 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
211 txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
212 + (numSymbols * OFDM_SYMBOL_TIME);
216 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
217 "Unknown phy %u (rate ix %u)\n",
218 rates->info[rateix].phy, rateix);
226 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
227 struct ath9k_channel *chan,
228 struct chan_centers *centers)
232 if (!IS_CHAN_HT40(chan)) {
233 centers->ctl_center = centers->ext_center =
234 centers->synth_center = chan->channel;
238 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
239 (chan->chanmode == CHANNEL_G_HT40PLUS)) {
240 centers->synth_center =
241 chan->channel + HT40_CHANNEL_CENTER_SHIFT;
244 centers->synth_center =
245 chan->channel - HT40_CHANNEL_CENTER_SHIFT;
249 centers->ctl_center =
250 centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
251 centers->ext_center =
252 centers->synth_center + (extoff *
253 ((ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_20) ?
254 HT40_CHANNEL_CENTER_SHIFT : 15));
261 static void ath9k_hw_read_revisions(struct ath_hw *ah)
265 val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
268 val = REG_READ(ah, AR_SREV);
269 ah->hw_version.macVersion =
270 (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
271 ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
272 ah->is_pciexpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
274 if (!AR_SREV_9100(ah))
275 ah->hw_version.macVersion = MS(val, AR_SREV_VERSION);
277 ah->hw_version.macRev = val & AR_SREV_REVISION;
279 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE)
280 ah->is_pciexpress = true;
284 static int ath9k_hw_get_radiorev(struct ath_hw *ah)
289 REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
291 for (i = 0; i < 8; i++)
292 REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
293 val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
294 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
296 return ath9k_hw_reverse_bits(val, 8);
299 /************************************/
300 /* HW Attach, Detach, Init Routines */
301 /************************************/
303 static void ath9k_hw_disablepcie(struct ath_hw *ah)
305 if (AR_SREV_9100(ah))
308 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
309 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
310 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
311 REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
312 REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
313 REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
314 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
315 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
316 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
318 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
321 static bool ath9k_hw_chip_test(struct ath_hw *ah)
323 u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
325 u32 patternData[4] = { 0x55555555,
331 for (i = 0; i < 2; i++) {
332 u32 addr = regAddr[i];
335 regHold[i] = REG_READ(ah, addr);
336 for (j = 0; j < 0x100; j++) {
337 wrData = (j << 16) | j;
338 REG_WRITE(ah, addr, wrData);
339 rdData = REG_READ(ah, addr);
340 if (rdData != wrData) {
341 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
342 "address test failed "
343 "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
344 addr, wrData, rdData);
348 for (j = 0; j < 4; j++) {
349 wrData = patternData[j];
350 REG_WRITE(ah, addr, wrData);
351 rdData = REG_READ(ah, addr);
352 if (wrData != rdData) {
353 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
354 "address test failed "
355 "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
356 addr, wrData, rdData);
360 REG_WRITE(ah, regAddr[i], regHold[i]);
367 static const char *ath9k_hw_devname(u16 devid)
370 case AR5416_DEVID_PCI:
371 return "Atheros 5416";
372 case AR5416_DEVID_PCIE:
373 return "Atheros 5418";
374 case AR9160_DEVID_PCI:
375 return "Atheros 9160";
376 case AR5416_AR9100_DEVID:
377 return "Atheros 9100";
378 case AR9280_DEVID_PCI:
379 case AR9280_DEVID_PCIE:
380 return "Atheros 9280";
381 case AR9285_DEVID_PCIE:
382 return "Atheros 9285";
383 case AR5416_DEVID_AR9287_PCI:
384 case AR5416_DEVID_AR9287_PCIE:
385 return "Atheros 9287";
391 static void ath9k_hw_init_config(struct ath_hw *ah)
395 ah->config.dma_beacon_response_time = 2;
396 ah->config.sw_beacon_response_time = 10;
397 ah->config.additional_swba_backoff = 0;
398 ah->config.ack_6mb = 0x0;
399 ah->config.cwm_ignore_extcca = 0;
400 ah->config.pcie_powersave_enable = 0;
401 ah->config.pcie_clock_req = 0;
402 ah->config.pcie_waen = 0;
403 ah->config.analog_shiftreg = 1;
404 ah->config.ht_enable = 1;
405 ah->config.ofdm_trig_low = 200;
406 ah->config.ofdm_trig_high = 500;
407 ah->config.cck_trig_high = 200;
408 ah->config.cck_trig_low = 100;
409 ah->config.enable_ani = 1;
410 ah->config.diversity_control = 0;
411 ah->config.antenna_switch_swap = 0;
413 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
414 ah->config.spurchans[i][0] = AR_NO_SPUR;
415 ah->config.spurchans[i][1] = AR_NO_SPUR;
418 ah->config.intr_mitigation = true;
421 * We need this for PCI devices only (Cardbus, PCI, miniPCI)
422 * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
423 * This means we use it for all AR5416 devices, and the few
424 * minor PCI AR9280 devices out there.
426 * Serialization is required because these devices do not handle
427 * well the case of two concurrent reads/writes due to the latency
428 * involved. During one read/write another read/write can be issued
429 * on another CPU while the previous read/write may still be working
430 * on our hardware, if we hit this case the hardware poops in a loop.
431 * We prevent this by serializing reads and writes.
433 * This issue is not present on PCI-Express devices or pre-AR5416
434 * devices (legacy, 802.11abg).
436 if (num_possible_cpus() > 1)
437 ah->config.serialize_regmode = SER_REG_MODE_AUTO;
440 static void ath9k_hw_init_defaults(struct ath_hw *ah)
442 ah->hw_version.magic = AR5416_MAGIC;
443 ah->regulatory.country_code = CTRY_DEFAULT;
444 ah->hw_version.subvendorid = 0;
447 if (ah->hw_version.devid == AR5416_AR9100_DEVID)
448 ah->hw_version.macVersion = AR_SREV_VERSION_9100;
449 if (!AR_SREV_9100(ah))
450 ah->ah_flags = AH_USE_EEPROM;
452 ah->regulatory.power_limit = MAX_RATE_POWER;
453 ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
455 ah->diversity_control = ah->config.diversity_control;
456 ah->antenna_switch_swap =
457 ah->config.antenna_switch_swap;
458 ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
459 ah->beacon_interval = 100;
460 ah->enable_32kHz_clock = DONT_USE_32KHZ;
461 ah->slottime = (u32) -1;
462 ah->acktimeout = (u32) -1;
463 ah->ctstimeout = (u32) -1;
464 ah->globaltxtimeout = (u32) -1;
466 ah->gbeacon_rate = 0;
468 ah->power_mode = ATH9K_PM_UNDEFINED;
471 static int ath9k_hw_rfattach(struct ath_hw *ah)
473 bool rfStatus = false;
476 rfStatus = ath9k_hw_init_rf(ah, &ecode);
478 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
479 "RF setup failed, status: %u\n", ecode);
486 static int ath9k_hw_rf_claim(struct ath_hw *ah)
490 REG_WRITE(ah, AR_PHY(0), 0x00000007);
492 val = ath9k_hw_get_radiorev(ah);
493 switch (val & AR_RADIO_SREV_MAJOR) {
495 val = AR_RAD5133_SREV_MAJOR;
497 case AR_RAD5133_SREV_MAJOR:
498 case AR_RAD5122_SREV_MAJOR:
499 case AR_RAD2133_SREV_MAJOR:
500 case AR_RAD2122_SREV_MAJOR:
503 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
504 "Radio Chip Rev 0x%02X not supported\n",
505 val & AR_RADIO_SREV_MAJOR);
509 ah->hw_version.analog5GhzRev = val;
514 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
521 for (i = 0; i < 3; i++) {
522 eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
524 ah->macaddr[2 * i] = eeval >> 8;
525 ah->macaddr[2 * i + 1] = eeval & 0xff;
527 if (sum == 0 || sum == 0xffff * 3)
528 return -EADDRNOTAVAIL;
533 static void ath9k_hw_init_rxgain_ini(struct ath_hw *ah)
537 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_17) {
538 rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
540 if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
541 INIT_INI_ARRAY(&ah->iniModesRxGain,
542 ar9280Modes_backoff_13db_rxgain_9280_2,
543 ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
544 else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
545 INIT_INI_ARRAY(&ah->iniModesRxGain,
546 ar9280Modes_backoff_23db_rxgain_9280_2,
547 ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
549 INIT_INI_ARRAY(&ah->iniModesRxGain,
550 ar9280Modes_original_rxgain_9280_2,
551 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
553 INIT_INI_ARRAY(&ah->iniModesRxGain,
554 ar9280Modes_original_rxgain_9280_2,
555 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
559 static void ath9k_hw_init_txgain_ini(struct ath_hw *ah)
563 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_19) {
564 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
566 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
567 INIT_INI_ARRAY(&ah->iniModesTxGain,
568 ar9280Modes_high_power_tx_gain_9280_2,
569 ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
571 INIT_INI_ARRAY(&ah->iniModesTxGain,
572 ar9280Modes_original_tx_gain_9280_2,
573 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
575 INIT_INI_ARRAY(&ah->iniModesTxGain,
576 ar9280Modes_original_tx_gain_9280_2,
577 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
581 static int ath9k_hw_post_init(struct ath_hw *ah)
585 if (!ath9k_hw_chip_test(ah))
588 ecode = ath9k_hw_rf_claim(ah);
592 ecode = ath9k_hw_eeprom_init(ah);
596 DPRINTF(ah->ah_sc, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
597 ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
599 ecode = ath9k_hw_rfattach(ah);
603 if (!AR_SREV_9100(ah)) {
604 ath9k_hw_ani_setup(ah);
605 ath9k_hw_ani_init(ah);
611 static bool ath9k_hw_devid_supported(u16 devid)
614 case AR5416_DEVID_PCI:
615 case AR5416_DEVID_PCIE:
616 case AR5416_AR9100_DEVID:
617 case AR9160_DEVID_PCI:
618 case AR9280_DEVID_PCI:
619 case AR9280_DEVID_PCIE:
620 case AR9285_DEVID_PCIE:
621 case AR5416_DEVID_AR9287_PCI:
622 case AR5416_DEVID_AR9287_PCIE:
630 static bool ath9k_hw_macversion_supported(u32 macversion)
632 switch (macversion) {
633 case AR_SREV_VERSION_5416_PCI:
634 case AR_SREV_VERSION_5416_PCIE:
635 case AR_SREV_VERSION_9160:
636 case AR_SREV_VERSION_9100:
637 case AR_SREV_VERSION_9280:
638 case AR_SREV_VERSION_9285:
639 case AR_SREV_VERSION_9287:
642 case AR_SREV_VERSION_9271:
649 static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
651 if (AR_SREV_9160_10_OR_LATER(ah)) {
652 if (AR_SREV_9280_10_OR_LATER(ah)) {
653 ah->iq_caldata.calData = &iq_cal_single_sample;
654 ah->adcgain_caldata.calData =
655 &adc_gain_cal_single_sample;
656 ah->adcdc_caldata.calData =
657 &adc_dc_cal_single_sample;
658 ah->adcdc_calinitdata.calData =
661 ah->iq_caldata.calData = &iq_cal_multi_sample;
662 ah->adcgain_caldata.calData =
663 &adc_gain_cal_multi_sample;
664 ah->adcdc_caldata.calData =
665 &adc_dc_cal_multi_sample;
666 ah->adcdc_calinitdata.calData =
669 ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
673 static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
675 if (AR_SREV_9271(ah)) {
676 INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271_1_0,
677 ARRAY_SIZE(ar9271Modes_9271_1_0), 6);
678 INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271_1_0,
679 ARRAY_SIZE(ar9271Common_9271_1_0), 2);
683 if (AR_SREV_9287_11_OR_LATER(ah)) {
684 INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
685 ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
686 INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
687 ARRAY_SIZE(ar9287Common_9287_1_1), 2);
688 if (ah->config.pcie_clock_req)
689 INIT_INI_ARRAY(&ah->iniPcieSerdes,
690 ar9287PciePhy_clkreq_off_L1_9287_1_1,
691 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
693 INIT_INI_ARRAY(&ah->iniPcieSerdes,
694 ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
695 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
697 } else if (AR_SREV_9287_10_OR_LATER(ah)) {
698 INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_0,
699 ARRAY_SIZE(ar9287Modes_9287_1_0), 6);
700 INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_0,
701 ARRAY_SIZE(ar9287Common_9287_1_0), 2);
703 if (ah->config.pcie_clock_req)
704 INIT_INI_ARRAY(&ah->iniPcieSerdes,
705 ar9287PciePhy_clkreq_off_L1_9287_1_0,
706 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_0), 2);
708 INIT_INI_ARRAY(&ah->iniPcieSerdes,
709 ar9287PciePhy_clkreq_always_on_L1_9287_1_0,
710 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_0),
712 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
715 INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
716 ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
717 INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
718 ARRAY_SIZE(ar9285Common_9285_1_2), 2);
720 if (ah->config.pcie_clock_req) {
721 INIT_INI_ARRAY(&ah->iniPcieSerdes,
722 ar9285PciePhy_clkreq_off_L1_9285_1_2,
723 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
725 INIT_INI_ARRAY(&ah->iniPcieSerdes,
726 ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
727 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
730 } else if (AR_SREV_9285_10_OR_LATER(ah)) {
731 INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285,
732 ARRAY_SIZE(ar9285Modes_9285), 6);
733 INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285,
734 ARRAY_SIZE(ar9285Common_9285), 2);
736 if (ah->config.pcie_clock_req) {
737 INIT_INI_ARRAY(&ah->iniPcieSerdes,
738 ar9285PciePhy_clkreq_off_L1_9285,
739 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285), 2);
741 INIT_INI_ARRAY(&ah->iniPcieSerdes,
742 ar9285PciePhy_clkreq_always_on_L1_9285,
743 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285), 2);
745 } else if (AR_SREV_9280_20_OR_LATER(ah)) {
746 INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
747 ARRAY_SIZE(ar9280Modes_9280_2), 6);
748 INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
749 ARRAY_SIZE(ar9280Common_9280_2), 2);
751 if (ah->config.pcie_clock_req) {
752 INIT_INI_ARRAY(&ah->iniPcieSerdes,
753 ar9280PciePhy_clkreq_off_L1_9280,
754 ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280),2);
756 INIT_INI_ARRAY(&ah->iniPcieSerdes,
757 ar9280PciePhy_clkreq_always_on_L1_9280,
758 ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
760 INIT_INI_ARRAY(&ah->iniModesAdditional,
761 ar9280Modes_fast_clock_9280_2,
762 ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
763 } else if (AR_SREV_9280_10_OR_LATER(ah)) {
764 INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280,
765 ARRAY_SIZE(ar9280Modes_9280), 6);
766 INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280,
767 ARRAY_SIZE(ar9280Common_9280), 2);
768 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
769 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
770 ARRAY_SIZE(ar5416Modes_9160), 6);
771 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
772 ARRAY_SIZE(ar5416Common_9160), 2);
773 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
774 ARRAY_SIZE(ar5416Bank0_9160), 2);
775 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
776 ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
777 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
778 ARRAY_SIZE(ar5416Bank1_9160), 2);
779 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
780 ARRAY_SIZE(ar5416Bank2_9160), 2);
781 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
782 ARRAY_SIZE(ar5416Bank3_9160), 3);
783 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
784 ARRAY_SIZE(ar5416Bank6_9160), 3);
785 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
786 ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
787 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
788 ARRAY_SIZE(ar5416Bank7_9160), 2);
789 if (AR_SREV_9160_11(ah)) {
790 INIT_INI_ARRAY(&ah->iniAddac,
792 ARRAY_SIZE(ar5416Addac_91601_1), 2);
794 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
795 ARRAY_SIZE(ar5416Addac_9160), 2);
797 } else if (AR_SREV_9100_OR_LATER(ah)) {
798 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
799 ARRAY_SIZE(ar5416Modes_9100), 6);
800 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
801 ARRAY_SIZE(ar5416Common_9100), 2);
802 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
803 ARRAY_SIZE(ar5416Bank0_9100), 2);
804 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
805 ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
806 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
807 ARRAY_SIZE(ar5416Bank1_9100), 2);
808 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
809 ARRAY_SIZE(ar5416Bank2_9100), 2);
810 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
811 ARRAY_SIZE(ar5416Bank3_9100), 3);
812 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
813 ARRAY_SIZE(ar5416Bank6_9100), 3);
814 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
815 ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
816 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
817 ARRAY_SIZE(ar5416Bank7_9100), 2);
818 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
819 ARRAY_SIZE(ar5416Addac_9100), 2);
821 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
822 ARRAY_SIZE(ar5416Modes), 6);
823 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
824 ARRAY_SIZE(ar5416Common), 2);
825 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
826 ARRAY_SIZE(ar5416Bank0), 2);
827 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
828 ARRAY_SIZE(ar5416BB_RfGain), 3);
829 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
830 ARRAY_SIZE(ar5416Bank1), 2);
831 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
832 ARRAY_SIZE(ar5416Bank2), 2);
833 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
834 ARRAY_SIZE(ar5416Bank3), 3);
835 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
836 ARRAY_SIZE(ar5416Bank6), 3);
837 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
838 ARRAY_SIZE(ar5416Bank6TPC), 3);
839 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
840 ARRAY_SIZE(ar5416Bank7), 2);
841 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
842 ARRAY_SIZE(ar5416Addac), 2);
846 static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
848 if (AR_SREV_9287_11(ah))
849 INIT_INI_ARRAY(&ah->iniModesRxGain,
850 ar9287Modes_rx_gain_9287_1_1,
851 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
852 else if (AR_SREV_9287_10(ah))
853 INIT_INI_ARRAY(&ah->iniModesRxGain,
854 ar9287Modes_rx_gain_9287_1_0,
855 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_0), 6);
856 else if (AR_SREV_9280_20(ah))
857 ath9k_hw_init_rxgain_ini(ah);
859 if (AR_SREV_9287_11(ah)) {
860 INIT_INI_ARRAY(&ah->iniModesTxGain,
861 ar9287Modes_tx_gain_9287_1_1,
862 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
863 } else if (AR_SREV_9287_10(ah)) {
864 INIT_INI_ARRAY(&ah->iniModesTxGain,
865 ar9287Modes_tx_gain_9287_1_0,
866 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_0), 6);
867 } else if (AR_SREV_9280_20(ah)) {
868 ath9k_hw_init_txgain_ini(ah);
869 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
870 u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
873 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
874 INIT_INI_ARRAY(&ah->iniModesTxGain,
875 ar9285Modes_high_power_tx_gain_9285_1_2,
876 ARRAY_SIZE(ar9285Modes_high_power_tx_gain_9285_1_2), 6);
878 INIT_INI_ARRAY(&ah->iniModesTxGain,
879 ar9285Modes_original_tx_gain_9285_1_2,
880 ARRAY_SIZE(ar9285Modes_original_tx_gain_9285_1_2), 6);
886 static void ath9k_hw_init_11a_eeprom_fix(struct ath_hw *ah)
890 if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
891 test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) {
894 for (i = 0; i < ah->iniModes.ia_rows; i++) {
895 u32 reg = INI_RA(&ah->iniModes, i, 0);
897 for (j = 1; j < ah->iniModes.ia_columns; j++) {
898 u32 val = INI_RA(&ah->iniModes, i, j);
900 INI_RA(&ah->iniModes, i, j) =
901 ath9k_hw_ini_fixup(ah,
909 int ath9k_hw_init(struct ath_hw *ah)
913 if (!ath9k_hw_devid_supported(ah->hw_version.devid))
916 ath9k_hw_init_defaults(ah);
917 ath9k_hw_init_config(ah);
919 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
920 DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't reset chip\n");
924 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
925 DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
929 if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
930 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
931 (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
932 ah->config.serialize_regmode =
935 ah->config.serialize_regmode =
940 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "serialize_regmode is %d\n",
941 ah->config.serialize_regmode);
943 if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
944 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
945 "Mac Chip Rev 0x%02x.%x is not supported by "
946 "this driver\n", ah->hw_version.macVersion,
947 ah->hw_version.macRev);
951 if (AR_SREV_9100(ah)) {
952 ah->iq_caldata.calData = &iq_cal_multi_sample;
953 ah->supp_cals = IQ_MISMATCH_CAL;
954 ah->is_pciexpress = false;
957 if (AR_SREV_9271(ah))
958 ah->is_pciexpress = false;
960 ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
962 ath9k_hw_init_cal_settings(ah);
964 ah->ani_function = ATH9K_ANI_ALL;
965 if (AR_SREV_9280_10_OR_LATER(ah))
966 ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
968 ath9k_hw_init_mode_regs(ah);
970 if (ah->is_pciexpress)
971 ath9k_hw_configpcipowersave(ah, 0);
973 ath9k_hw_disablepcie(ah);
975 r = ath9k_hw_post_init(ah);
979 ath9k_hw_init_mode_gain_regs(ah);
980 ath9k_hw_fill_cap_info(ah);
981 ath9k_hw_init_11a_eeprom_fix(ah);
983 r = ath9k_hw_init_macaddr(ah);
985 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
986 "Failed to initialize MAC address\n");
990 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
991 ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
993 ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
995 ath9k_init_nfcal_hist_buffer(ah);
1000 static void ath9k_hw_init_bb(struct ath_hw *ah,
1001 struct ath9k_channel *chan)
1005 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
1006 if (IS_CHAN_B(chan))
1007 synthDelay = (4 * synthDelay) / 22;
1011 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
1013 udelay(synthDelay + BASE_ACTIVATE_DELAY);
1016 static void ath9k_hw_init_qos(struct ath_hw *ah)
1018 REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
1019 REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
1021 REG_WRITE(ah, AR_QOS_NO_ACK,
1022 SM(2, AR_QOS_NO_ACK_TWO_BIT) |
1023 SM(5, AR_QOS_NO_ACK_BIT_OFF) |
1024 SM(0, AR_QOS_NO_ACK_BYTE_OFF));
1026 REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
1027 REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
1028 REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
1029 REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
1030 REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
1033 static void ath9k_hw_init_pll(struct ath_hw *ah,
1034 struct ath9k_channel *chan)
1038 if (AR_SREV_9100(ah)) {
1039 if (chan && IS_CHAN_5GHZ(chan))
1044 if (AR_SREV_9280_10_OR_LATER(ah)) {
1045 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1047 if (chan && IS_CHAN_HALF_RATE(chan))
1048 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1049 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1050 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1052 if (chan && IS_CHAN_5GHZ(chan)) {
1053 pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
1056 if (AR_SREV_9280_20(ah)) {
1057 if (((chan->channel % 20) == 0)
1058 || ((chan->channel % 10) == 0))
1064 pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
1067 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
1069 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
1071 if (chan && IS_CHAN_HALF_RATE(chan))
1072 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1073 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1074 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
1076 if (chan && IS_CHAN_5GHZ(chan))
1077 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1079 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1081 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1083 if (chan && IS_CHAN_HALF_RATE(chan))
1084 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1085 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1086 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1088 if (chan && IS_CHAN_5GHZ(chan))
1089 pll |= SM(0xa, AR_RTC_PLL_DIV);
1091 pll |= SM(0xb, AR_RTC_PLL_DIV);
1094 REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
1096 udelay(RTC_PLL_SETTLE_DELAY);
1098 REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
1101 static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
1103 int rx_chainmask, tx_chainmask;
1105 rx_chainmask = ah->rxchainmask;
1106 tx_chainmask = ah->txchainmask;
1108 switch (rx_chainmask) {
1110 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
1111 AR_PHY_SWAP_ALT_CHAIN);
1113 if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
1114 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
1115 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
1121 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
1122 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
1128 REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
1129 if (tx_chainmask == 0x5) {
1130 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
1131 AR_PHY_SWAP_ALT_CHAIN);
1133 if (AR_SREV_9100(ah))
1134 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
1135 REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
1138 static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
1139 enum nl80211_iftype opmode)
1141 ah->mask_reg = AR_IMR_TXERR |
1147 if (ah->config.intr_mitigation)
1148 ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
1150 ah->mask_reg |= AR_IMR_RXOK;
1152 ah->mask_reg |= AR_IMR_TXOK;
1154 if (opmode == NL80211_IFTYPE_AP)
1155 ah->mask_reg |= AR_IMR_MIB;
1157 REG_WRITE(ah, AR_IMR, ah->mask_reg);
1158 REG_WRITE(ah, AR_IMR_S2, REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT);
1160 if (!AR_SREV_9100(ah)) {
1161 REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
1162 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
1163 REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
1167 static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
1169 if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
1170 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad ack timeout %u\n", us);
1171 ah->acktimeout = (u32) -1;
1174 REG_RMW_FIELD(ah, AR_TIME_OUT,
1175 AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
1176 ah->acktimeout = us;
1181 static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
1183 if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
1184 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad cts timeout %u\n", us);
1185 ah->ctstimeout = (u32) -1;
1188 REG_RMW_FIELD(ah, AR_TIME_OUT,
1189 AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
1190 ah->ctstimeout = us;
1195 static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
1198 DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
1199 "bad global tx timeout %u\n", tu);
1200 ah->globaltxtimeout = (u32) -1;
1203 REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
1204 ah->globaltxtimeout = tu;
1209 static void ath9k_hw_init_user_settings(struct ath_hw *ah)
1211 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
1214 if (ah->misc_mode != 0)
1215 REG_WRITE(ah, AR_PCU_MISC,
1216 REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
1217 if (ah->slottime != (u32) -1)
1218 ath9k_hw_setslottime(ah, ah->slottime);
1219 if (ah->acktimeout != (u32) -1)
1220 ath9k_hw_set_ack_timeout(ah, ah->acktimeout);
1221 if (ah->ctstimeout != (u32) -1)
1222 ath9k_hw_set_cts_timeout(ah, ah->ctstimeout);
1223 if (ah->globaltxtimeout != (u32) -1)
1224 ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
1227 const char *ath9k_hw_probe(u16 vendorid, u16 devid)
1229 return vendorid == ATHEROS_VENDOR_ID ?
1230 ath9k_hw_devname(devid) : NULL;
1233 void ath9k_hw_detach(struct ath_hw *ah)
1235 if (!AR_SREV_9100(ah))
1236 ath9k_hw_ani_disable(ah);
1238 ath9k_hw_rf_free(ah);
1239 ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
1248 static void ath9k_hw_override_ini(struct ath_hw *ah,
1249 struct ath9k_channel *chan)
1253 if (AR_SREV_9271(ah)) {
1255 * Enable spectral scan to solution for issues with stuck
1256 * beacons on AR9271 1.0. The beacon stuck issue is not seeon on
1259 if (AR_SREV_9271_10(ah)) {
1260 val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) | AR_PHY_SPECTRAL_SCAN_ENABLE;
1261 REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
1263 else if (AR_SREV_9271_11(ah))
1265 * change AR_PHY_RF_CTL3 setting to fix MAC issue
1266 * present on AR9271 1.1
1268 REG_WRITE(ah, AR_PHY_RF_CTL3, 0x3a020001);
1273 * Set the RX_ABORT and RX_DIS and clear if off only after
1274 * RXE is set for MAC. This prevents frames with corrupted
1275 * descriptor status.
1277 REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
1280 if (!AR_SREV_5416_20_OR_LATER(ah) ||
1281 AR_SREV_9280_10_OR_LATER(ah))
1284 * Disable BB clock gating
1285 * Necessary to avoid issues on AR5416 2.0
1287 REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
1290 static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
1291 struct ar5416_eeprom_def *pEepData,
1294 struct base_eep_header *pBase = &(pEepData->baseEepHeader);
1296 switch (ah->hw_version.devid) {
1297 case AR9280_DEVID_PCI:
1298 if (reg == 0x7894) {
1299 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1300 "ini VAL: %x EEPROM: %x\n", value,
1301 (pBase->version & 0xff));
1303 if ((pBase->version & 0xff) > 0x0a) {
1304 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1307 value &= ~AR_AN_TOP2_PWDCLKIND;
1308 value |= AR_AN_TOP2_PWDCLKIND &
1309 (pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
1311 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1312 "PWDCLKIND Earlier Rev\n");
1315 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1316 "final ini VAL: %x\n", value);
1324 static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
1325 struct ar5416_eeprom_def *pEepData,
1328 if (ah->eep_map == EEP_MAP_4KBITS)
1331 return ath9k_hw_def_ini_fixup(ah, pEepData, reg, value);
1334 static void ath9k_olc_init(struct ath_hw *ah)
1338 for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
1339 ah->originalGain[i] =
1340 MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
1345 static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
1346 struct ath9k_channel *chan)
1348 u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
1350 if (IS_CHAN_B(chan))
1352 else if (IS_CHAN_G(chan))
1360 static int ath9k_hw_process_ini(struct ath_hw *ah,
1361 struct ath9k_channel *chan,
1362 enum ath9k_ht_macmode macmode)
1364 int i, regWrites = 0;
1365 struct ieee80211_channel *channel = chan->chan;
1366 u32 modesIndex, freqIndex;
1368 switch (chan->chanmode) {
1370 case CHANNEL_A_HT20:
1374 case CHANNEL_A_HT40PLUS:
1375 case CHANNEL_A_HT40MINUS:
1380 case CHANNEL_G_HT20:
1385 case CHANNEL_G_HT40PLUS:
1386 case CHANNEL_G_HT40MINUS:
1395 REG_WRITE(ah, AR_PHY(0), 0x00000007);
1396 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
1397 ah->eep_ops->set_addac(ah, chan);
1399 if (AR_SREV_5416_22_OR_LATER(ah)) {
1400 REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
1402 struct ar5416IniArray temp;
1404 sizeof(u32) * ah->iniAddac.ia_rows *
1405 ah->iniAddac.ia_columns;
1407 memcpy(ah->addac5416_21,
1408 ah->iniAddac.ia_array, addacSize);
1410 (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
1412 temp.ia_array = ah->addac5416_21;
1413 temp.ia_columns = ah->iniAddac.ia_columns;
1414 temp.ia_rows = ah->iniAddac.ia_rows;
1415 REG_WRITE_ARRAY(&temp, 1, regWrites);
1418 REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
1420 for (i = 0; i < ah->iniModes.ia_rows; i++) {
1421 u32 reg = INI_RA(&ah->iniModes, i, 0);
1422 u32 val = INI_RA(&ah->iniModes, i, modesIndex);
1424 REG_WRITE(ah, reg, val);
1426 if (reg >= 0x7800 && reg < 0x78a0
1427 && ah->config.analog_shiftreg) {
1431 DO_DELAY(regWrites);
1434 if (AR_SREV_9280(ah) || AR_SREV_9287_10_OR_LATER(ah))
1435 REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
1437 if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
1438 AR_SREV_9287_10_OR_LATER(ah))
1439 REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
1441 for (i = 0; i < ah->iniCommon.ia_rows; i++) {
1442 u32 reg = INI_RA(&ah->iniCommon, i, 0);
1443 u32 val = INI_RA(&ah->iniCommon, i, 1);
1445 REG_WRITE(ah, reg, val);
1447 if (reg >= 0x7800 && reg < 0x78a0
1448 && ah->config.analog_shiftreg) {
1452 DO_DELAY(regWrites);
1455 ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
1457 if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
1458 REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
1462 ath9k_hw_override_ini(ah, chan);
1463 ath9k_hw_set_regs(ah, chan, macmode);
1464 ath9k_hw_init_chain_masks(ah);
1466 if (OLC_FOR_AR9280_20_LATER)
1469 ah->eep_ops->set_txpower(ah, chan,
1470 ath9k_regd_get_ctl(&ah->regulatory, chan),
1471 channel->max_antenna_gain * 2,
1472 channel->max_power * 2,
1473 min((u32) MAX_RATE_POWER,
1474 (u32) ah->regulatory.power_limit));
1476 if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
1477 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
1478 "ar5416SetRfRegs failed\n");
1485 /****************************************/
1486 /* Reset and Channel Switching Routines */
1487 /****************************************/
1489 static void ath9k_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
1496 rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
1497 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
1499 if (!AR_SREV_9280_10_OR_LATER(ah))
1500 rfMode |= (IS_CHAN_5GHZ(chan)) ?
1501 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
1503 if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan))
1504 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
1506 REG_WRITE(ah, AR_PHY_MODE, rfMode);
1509 static void ath9k_hw_mark_phy_inactive(struct ath_hw *ah)
1511 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
1514 static inline void ath9k_hw_set_dma(struct ath_hw *ah)
1519 * set AHB_MODE not to do cacheline prefetches
1521 regval = REG_READ(ah, AR_AHB_MODE);
1522 REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
1525 * let mac dma reads be in 128 byte chunks
1527 regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
1528 REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
1531 * Restore TX Trigger Level to its pre-reset value.
1532 * The initial value depends on whether aggregation is enabled, and is
1533 * adjusted whenever underruns are detected.
1535 REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
1538 * let mac dma writes be in 128 byte chunks
1540 regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
1541 REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
1544 * Setup receive FIFO threshold to hold off TX activities
1546 REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
1549 * reduce the number of usable entries in PCU TXBUF to avoid
1550 * wrap around issues.
1552 if (AR_SREV_9285(ah)) {
1553 /* For AR9285 the number of Fifos are reduced to half.
1554 * So set the usable tx buf size also to half to
1555 * avoid data/delimiter underruns
1557 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1558 AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
1559 } else if (!AR_SREV_9271(ah)) {
1560 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1561 AR_PCU_TXBUF_CTRL_USABLE_SIZE);
1565 static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
1569 val = REG_READ(ah, AR_STA_ID1);
1570 val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
1572 case NL80211_IFTYPE_AP:
1573 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
1574 | AR_STA_ID1_KSRCH_MODE);
1575 REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1577 case NL80211_IFTYPE_ADHOC:
1578 case NL80211_IFTYPE_MESH_POINT:
1579 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
1580 | AR_STA_ID1_KSRCH_MODE);
1581 REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1583 case NL80211_IFTYPE_STATION:
1584 case NL80211_IFTYPE_MONITOR:
1585 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
1590 static inline void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah,
1595 u32 coef_exp, coef_man;
1597 for (coef_exp = 31; coef_exp > 0; coef_exp--)
1598 if ((coef_scaled >> coef_exp) & 0x1)
1601 coef_exp = 14 - (coef_exp - COEF_SCALE_S);
1603 coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
1605 *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
1606 *coef_exponent = coef_exp - 16;
1609 static void ath9k_hw_set_delta_slope(struct ath_hw *ah,
1610 struct ath9k_channel *chan)
1612 u32 coef_scaled, ds_coef_exp, ds_coef_man;
1613 u32 clockMhzScaled = 0x64000000;
1614 struct chan_centers centers;
1616 if (IS_CHAN_HALF_RATE(chan))
1617 clockMhzScaled = clockMhzScaled >> 1;
1618 else if (IS_CHAN_QUARTER_RATE(chan))
1619 clockMhzScaled = clockMhzScaled >> 2;
1621 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
1622 coef_scaled = clockMhzScaled / centers.synth_center;
1624 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
1627 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
1628 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
1629 REG_RMW_FIELD(ah, AR_PHY_TIMING3,
1630 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
1632 coef_scaled = (9 * coef_scaled) / 10;
1634 ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
1637 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
1638 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
1639 REG_RMW_FIELD(ah, AR_PHY_HALFGI,
1640 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
1643 static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
1648 if (AR_SREV_9100(ah)) {
1649 u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK);
1650 val &= ~AR_RTC_DERIVED_CLK_PERIOD;
1651 val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD);
1652 REG_WRITE(ah, AR_RTC_DERIVED_CLK, val);
1653 (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
1656 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1657 AR_RTC_FORCE_WAKE_ON_INT);
1659 if (AR_SREV_9100(ah)) {
1660 rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
1661 AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
1663 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
1665 (AR_INTR_SYNC_LOCAL_TIMEOUT |
1666 AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
1667 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
1668 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
1670 REG_WRITE(ah, AR_RC, AR_RC_AHB);
1673 rst_flags = AR_RTC_RC_MAC_WARM;
1674 if (type == ATH9K_RESET_COLD)
1675 rst_flags |= AR_RTC_RC_MAC_COLD;
1678 REG_WRITE(ah, AR_RTC_RC, rst_flags);
1681 REG_WRITE(ah, AR_RTC_RC, 0);
1682 if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
1683 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
1684 "RTC stuck in MAC reset\n");
1688 if (!AR_SREV_9100(ah))
1689 REG_WRITE(ah, AR_RC, 0);
1691 ath9k_hw_init_pll(ah, NULL);
1693 if (AR_SREV_9100(ah))
1699 static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
1701 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1702 AR_RTC_FORCE_WAKE_ON_INT);
1704 REG_WRITE(ah, AR_RTC_RESET, 0);
1706 REG_WRITE(ah, AR_RTC_RESET, 1);
1708 if (!ath9k_hw_wait(ah,
1713 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "RTC not waking up\n");
1717 ath9k_hw_read_revisions(ah);
1719 return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
1722 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
1724 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1725 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1728 case ATH9K_RESET_POWER_ON:
1729 return ath9k_hw_set_reset_power_on(ah);
1730 case ATH9K_RESET_WARM:
1731 case ATH9K_RESET_COLD:
1732 return ath9k_hw_set_reset(ah, type);
1738 static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
1739 enum ath9k_ht_macmode macmode)
1742 u32 enableDacFifo = 0;
1744 if (AR_SREV_9285_10_OR_LATER(ah))
1745 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
1746 AR_PHY_FC_ENABLE_DAC_FIFO);
1748 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
1749 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
1751 if (IS_CHAN_HT40(chan)) {
1752 phymode |= AR_PHY_FC_DYN2040_EN;
1754 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
1755 (chan->chanmode == CHANNEL_G_HT40PLUS))
1756 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
1758 if (ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_25)
1759 phymode |= AR_PHY_FC_DYN2040_EXT_CH;
1761 REG_WRITE(ah, AR_PHY_TURBO, phymode);
1763 ath9k_hw_set11nmac2040(ah, macmode);
1765 REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
1766 REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
1769 static bool ath9k_hw_chip_reset(struct ath_hw *ah,
1770 struct ath9k_channel *chan)
1772 if (OLC_FOR_AR9280_20_LATER) {
1773 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
1775 } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
1778 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
1781 ah->chip_fullsleep = false;
1782 ath9k_hw_init_pll(ah, chan);
1783 ath9k_hw_set_rfmode(ah, chan);
1788 static bool ath9k_hw_channel_change(struct ath_hw *ah,
1789 struct ath9k_channel *chan,
1790 enum ath9k_ht_macmode macmode)
1792 struct ieee80211_channel *channel = chan->chan;
1793 u32 synthDelay, qnum;
1795 for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
1796 if (ath9k_hw_numtxpending(ah, qnum)) {
1797 DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
1798 "Transmit frames pending on queue %d\n", qnum);
1803 REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
1804 if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
1805 AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT)) {
1806 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
1807 "Could not kill baseband RX\n");
1811 ath9k_hw_set_regs(ah, chan, macmode);
1813 if (AR_SREV_9280_10_OR_LATER(ah)) {
1814 ath9k_hw_ar9280_set_channel(ah, chan);
1816 if (!(ath9k_hw_set_channel(ah, chan))) {
1817 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
1818 "Failed to set channel\n");
1823 ah->eep_ops->set_txpower(ah, chan,
1824 ath9k_regd_get_ctl(&ah->regulatory, chan),
1825 channel->max_antenna_gain * 2,
1826 channel->max_power * 2,
1827 min((u32) MAX_RATE_POWER,
1828 (u32) ah->regulatory.power_limit));
1830 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
1831 if (IS_CHAN_B(chan))
1832 synthDelay = (4 * synthDelay) / 22;
1836 udelay(synthDelay + BASE_ACTIVATE_DELAY);
1838 REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
1840 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1841 ath9k_hw_set_delta_slope(ah, chan);
1843 if (AR_SREV_9280_10_OR_LATER(ah))
1844 ath9k_hw_9280_spur_mitigate(ah, chan);
1846 ath9k_hw_spur_mitigate(ah, chan);
1848 if (!chan->oneTimeCalsDone)
1849 chan->oneTimeCalsDone = true;
1854 static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
1856 int bb_spur = AR_NO_SPUR;
1859 int bb_spur_off, spur_subchannel_sd;
1861 int spur_delta_phase;
1863 int upper, lower, cur_vit_mask;
1866 int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
1867 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
1869 int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
1870 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
1872 int inc[4] = { 0, 100, 0, 0 };
1873 struct chan_centers centers;
1880 bool is2GHz = IS_CHAN_2GHZ(chan);
1882 memset(&mask_m, 0, sizeof(int8_t) * 123);
1883 memset(&mask_p, 0, sizeof(int8_t) * 123);
1885 ath9k_hw_get_channel_centers(ah, chan, ¢ers);
1886 freq = centers.synth_center;
1888 ah->config.spurmode = SPUR_ENABLE_EEPROM;
1889 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
1890 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
1893 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
1895 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
1897 if (AR_NO_SPUR == cur_bb_spur)
1899 cur_bb_spur = cur_bb_spur - freq;
1901 if (IS_CHAN_HT40(chan)) {
1902 if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
1903 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
1904 bb_spur = cur_bb_spur;
1907 } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
1908 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
1909 bb_spur = cur_bb_spur;
1914 if (AR_NO_SPUR == bb_spur) {
1915 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
1916 AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
1919 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
1920 AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
1923 bin = bb_spur * 320;
1925 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
1927 newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
1928 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
1929 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
1930 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
1931 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
1933 newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
1934 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
1935 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
1936 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
1937 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
1938 REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
1940 if (IS_CHAN_HT40(chan)) {
1942 spur_subchannel_sd = 1;
1943 bb_spur_off = bb_spur + 10;
1945 spur_subchannel_sd = 0;
1946 bb_spur_off = bb_spur - 10;
1949 spur_subchannel_sd = 0;
1950 bb_spur_off = bb_spur;
1953 if (IS_CHAN_HT40(chan))
1955 ((bb_spur * 262144) /
1956 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
1959 ((bb_spur * 524288) /
1960 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
1962 denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
1963 spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
1965 newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
1966 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
1967 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
1968 REG_WRITE(ah, AR_PHY_TIMING11, newVal);
1970 newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
1971 REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
1977 for (i = 0; i < 4; i++) {
1981 for (bp = 0; bp < 30; bp++) {
1982 if ((cur_bin > lower) && (cur_bin < upper)) {
1983 pilot_mask = pilot_mask | 0x1 << bp;
1984 chan_mask = chan_mask | 0x1 << bp;
1989 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
1990 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
1993 cur_vit_mask = 6100;
1997 for (i = 0; i < 123; i++) {
1998 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
2000 /* workaround for gcc bug #37014 */
2001 volatile int tmp_v = abs(cur_vit_mask - bin);
2007 if (cur_vit_mask < 0)
2008 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
2010 mask_p[cur_vit_mask / 100] = mask_amt;
2012 cur_vit_mask -= 100;
2015 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
2016 | (mask_m[48] << 26) | (mask_m[49] << 24)
2017 | (mask_m[50] << 22) | (mask_m[51] << 20)
2018 | (mask_m[52] << 18) | (mask_m[53] << 16)
2019 | (mask_m[54] << 14) | (mask_m[55] << 12)
2020 | (mask_m[56] << 10) | (mask_m[57] << 8)
2021 | (mask_m[58] << 6) | (mask_m[59] << 4)
2022 | (mask_m[60] << 2) | (mask_m[61] << 0);
2023 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
2024 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
2026 tmp_mask = (mask_m[31] << 28)
2027 | (mask_m[32] << 26) | (mask_m[33] << 24)
2028 | (mask_m[34] << 22) | (mask_m[35] << 20)
2029 | (mask_m[36] << 18) | (mask_m[37] << 16)
2030 | (mask_m[48] << 14) | (mask_m[39] << 12)
2031 | (mask_m[40] << 10) | (mask_m[41] << 8)
2032 | (mask_m[42] << 6) | (mask_m[43] << 4)
2033 | (mask_m[44] << 2) | (mask_m[45] << 0);
2034 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
2035 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
2037 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
2038 | (mask_m[18] << 26) | (mask_m[18] << 24)
2039 | (mask_m[20] << 22) | (mask_m[20] << 20)
2040 | (mask_m[22] << 18) | (mask_m[22] << 16)
2041 | (mask_m[24] << 14) | (mask_m[24] << 12)
2042 | (mask_m[25] << 10) | (mask_m[26] << 8)
2043 | (mask_m[27] << 6) | (mask_m[28] << 4)
2044 | (mask_m[29] << 2) | (mask_m[30] << 0);
2045 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
2046 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
2048 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
2049 | (mask_m[2] << 26) | (mask_m[3] << 24)
2050 | (mask_m[4] << 22) | (mask_m[5] << 20)
2051 | (mask_m[6] << 18) | (mask_m[7] << 16)
2052 | (mask_m[8] << 14) | (mask_m[9] << 12)
2053 | (mask_m[10] << 10) | (mask_m[11] << 8)
2054 | (mask_m[12] << 6) | (mask_m[13] << 4)
2055 | (mask_m[14] << 2) | (mask_m[15] << 0);
2056 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
2057 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
2059 tmp_mask = (mask_p[15] << 28)
2060 | (mask_p[14] << 26) | (mask_p[13] << 24)
2061 | (mask_p[12] << 22) | (mask_p[11] << 20)
2062 | (mask_p[10] << 18) | (mask_p[9] << 16)
2063 | (mask_p[8] << 14) | (mask_p[7] << 12)
2064 | (mask_p[6] << 10) | (mask_p[5] << 8)
2065 | (mask_p[4] << 6) | (mask_p[3] << 4)
2066 | (mask_p[2] << 2) | (mask_p[1] << 0);
2067 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
2068 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
2070 tmp_mask = (mask_p[30] << 28)
2071 | (mask_p[29] << 26) | (mask_p[28] << 24)
2072 | (mask_p[27] << 22) | (mask_p[26] << 20)
2073 | (mask_p[25] << 18) | (mask_p[24] << 16)
2074 | (mask_p[23] << 14) | (mask_p[22] << 12)
2075 | (mask_p[21] << 10) | (mask_p[20] << 8)
2076 | (mask_p[19] << 6) | (mask_p[18] << 4)
2077 | (mask_p[17] << 2) | (mask_p[16] << 0);
2078 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
2079 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
2081 tmp_mask = (mask_p[45] << 28)
2082 | (mask_p[44] << 26) | (mask_p[43] << 24)
2083 | (mask_p[42] << 22) | (mask_p[41] << 20)
2084 | (mask_p[40] << 18) | (mask_p[39] << 16)
2085 | (mask_p[38] << 14) | (mask_p[37] << 12)
2086 | (mask_p[36] << 10) | (mask_p[35] << 8)
2087 | (mask_p[34] << 6) | (mask_p[33] << 4)
2088 | (mask_p[32] << 2) | (mask_p[31] << 0);
2089 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
2090 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
2092 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
2093 | (mask_p[59] << 26) | (mask_p[58] << 24)
2094 | (mask_p[57] << 22) | (mask_p[56] << 20)
2095 | (mask_p[55] << 18) | (mask_p[54] << 16)
2096 | (mask_p[53] << 14) | (mask_p[52] << 12)
2097 | (mask_p[51] << 10) | (mask_p[50] << 8)
2098 | (mask_p[49] << 6) | (mask_p[48] << 4)
2099 | (mask_p[47] << 2) | (mask_p[46] << 0);
2100 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
2101 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
2104 static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
2106 int bb_spur = AR_NO_SPUR;
2109 int spur_delta_phase;
2111 int upper, lower, cur_vit_mask;
2114 int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
2115 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
2117 int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
2118 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
2120 int inc[4] = { 0, 100, 0, 0 };
2127 bool is2GHz = IS_CHAN_2GHZ(chan);
2129 memset(&mask_m, 0, sizeof(int8_t) * 123);
2130 memset(&mask_p, 0, sizeof(int8_t) * 123);
2132 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
2133 cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
2134 if (AR_NO_SPUR == cur_bb_spur)
2136 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
2137 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
2138 bb_spur = cur_bb_spur;
2143 if (AR_NO_SPUR == bb_spur)
2148 tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
2149 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
2150 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
2151 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
2152 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
2154 REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
2156 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
2157 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
2158 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
2159 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
2160 SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
2161 REG_WRITE(ah, AR_PHY_SPUR_REG, new);
2163 spur_delta_phase = ((bb_spur * 524288) / 100) &
2164 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
2166 denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
2167 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
2169 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
2170 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
2171 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
2172 REG_WRITE(ah, AR_PHY_TIMING11, new);
2178 for (i = 0; i < 4; i++) {
2182 for (bp = 0; bp < 30; bp++) {
2183 if ((cur_bin > lower) && (cur_bin < upper)) {
2184 pilot_mask = pilot_mask | 0x1 << bp;
2185 chan_mask = chan_mask | 0x1 << bp;
2190 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
2191 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
2194 cur_vit_mask = 6100;
2198 for (i = 0; i < 123; i++) {
2199 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
2201 /* workaround for gcc bug #37014 */
2202 volatile int tmp_v = abs(cur_vit_mask - bin);
2208 if (cur_vit_mask < 0)
2209 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
2211 mask_p[cur_vit_mask / 100] = mask_amt;
2213 cur_vit_mask -= 100;
2216 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
2217 | (mask_m[48] << 26) | (mask_m[49] << 24)
2218 | (mask_m[50] << 22) | (mask_m[51] << 20)
2219 | (mask_m[52] << 18) | (mask_m[53] << 16)
2220 | (mask_m[54] << 14) | (mask_m[55] << 12)
2221 | (mask_m[56] << 10) | (mask_m[57] << 8)
2222 | (mask_m[58] << 6) | (mask_m[59] << 4)
2223 | (mask_m[60] << 2) | (mask_m[61] << 0);
2224 REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
2225 REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
2227 tmp_mask = (mask_m[31] << 28)
2228 | (mask_m[32] << 26) | (mask_m[33] << 24)
2229 | (mask_m[34] << 22) | (mask_m[35] << 20)
2230 | (mask_m[36] << 18) | (mask_m[37] << 16)
2231 | (mask_m[48] << 14) | (mask_m[39] << 12)
2232 | (mask_m[40] << 10) | (mask_m[41] << 8)
2233 | (mask_m[42] << 6) | (mask_m[43] << 4)
2234 | (mask_m[44] << 2) | (mask_m[45] << 0);
2235 REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
2236 REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
2238 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
2239 | (mask_m[18] << 26) | (mask_m[18] << 24)
2240 | (mask_m[20] << 22) | (mask_m[20] << 20)
2241 | (mask_m[22] << 18) | (mask_m[22] << 16)
2242 | (mask_m[24] << 14) | (mask_m[24] << 12)
2243 | (mask_m[25] << 10) | (mask_m[26] << 8)
2244 | (mask_m[27] << 6) | (mask_m[28] << 4)
2245 | (mask_m[29] << 2) | (mask_m[30] << 0);
2246 REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
2247 REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
2249 tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
2250 | (mask_m[2] << 26) | (mask_m[3] << 24)
2251 | (mask_m[4] << 22) | (mask_m[5] << 20)
2252 | (mask_m[6] << 18) | (mask_m[7] << 16)
2253 | (mask_m[8] << 14) | (mask_m[9] << 12)
2254 | (mask_m[10] << 10) | (mask_m[11] << 8)
2255 | (mask_m[12] << 6) | (mask_m[13] << 4)
2256 | (mask_m[14] << 2) | (mask_m[15] << 0);
2257 REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
2258 REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
2260 tmp_mask = (mask_p[15] << 28)
2261 | (mask_p[14] << 26) | (mask_p[13] << 24)
2262 | (mask_p[12] << 22) | (mask_p[11] << 20)
2263 | (mask_p[10] << 18) | (mask_p[9] << 16)
2264 | (mask_p[8] << 14) | (mask_p[7] << 12)
2265 | (mask_p[6] << 10) | (mask_p[5] << 8)
2266 | (mask_p[4] << 6) | (mask_p[3] << 4)
2267 | (mask_p[2] << 2) | (mask_p[1] << 0);
2268 REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
2269 REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
2271 tmp_mask = (mask_p[30] << 28)
2272 | (mask_p[29] << 26) | (mask_p[28] << 24)
2273 | (mask_p[27] << 22) | (mask_p[26] << 20)
2274 | (mask_p[25] << 18) | (mask_p[24] << 16)
2275 | (mask_p[23] << 14) | (mask_p[22] << 12)
2276 | (mask_p[21] << 10) | (mask_p[20] << 8)
2277 | (mask_p[19] << 6) | (mask_p[18] << 4)
2278 | (mask_p[17] << 2) | (mask_p[16] << 0);
2279 REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
2280 REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
2282 tmp_mask = (mask_p[45] << 28)
2283 | (mask_p[44] << 26) | (mask_p[43] << 24)
2284 | (mask_p[42] << 22) | (mask_p[41] << 20)
2285 | (mask_p[40] << 18) | (mask_p[39] << 16)
2286 | (mask_p[38] << 14) | (mask_p[37] << 12)
2287 | (mask_p[36] << 10) | (mask_p[35] << 8)
2288 | (mask_p[34] << 6) | (mask_p[33] << 4)
2289 | (mask_p[32] << 2) | (mask_p[31] << 0);
2290 REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
2291 REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
2293 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
2294 | (mask_p[59] << 26) | (mask_p[58] << 24)
2295 | (mask_p[57] << 22) | (mask_p[56] << 20)
2296 | (mask_p[55] << 18) | (mask_p[54] << 16)
2297 | (mask_p[53] << 14) | (mask_p[52] << 12)
2298 | (mask_p[51] << 10) | (mask_p[50] << 8)
2299 | (mask_p[49] << 6) | (mask_p[48] << 4)
2300 | (mask_p[47] << 2) | (mask_p[46] << 0);
2301 REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
2302 REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
2305 static void ath9k_enable_rfkill(struct ath_hw *ah)
2307 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
2308 AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
2310 REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
2311 AR_GPIO_INPUT_MUX2_RFSILENT);
2313 ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
2314 REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
2317 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
2318 bool bChannelChange)
2321 struct ath_softc *sc = ah->ah_sc;
2322 struct ath9k_channel *curchan = ah->curchan;
2325 int i, rx_chainmask, r;
2327 ah->extprotspacing = sc->ht_extprotspacing;
2328 ah->txchainmask = sc->tx_chainmask;
2329 ah->rxchainmask = sc->rx_chainmask;
2331 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
2335 ath9k_hw_getnf(ah, curchan);
2337 if (bChannelChange &&
2338 (ah->chip_fullsleep != true) &&
2339 (ah->curchan != NULL) &&
2340 (chan->channel != ah->curchan->channel) &&
2341 ((chan->channelFlags & CHANNEL_ALL) ==
2342 (ah->curchan->channelFlags & CHANNEL_ALL)) &&
2343 (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
2344 !IS_CHAN_A_5MHZ_SPACED(ah->curchan)))) {
2346 if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
2347 ath9k_hw_loadnf(ah, ah->curchan);
2348 ath9k_hw_start_nfcal(ah);
2353 saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
2354 if (saveDefAntenna == 0)
2357 macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
2359 saveLedState = REG_READ(ah, AR_CFG_LED) &
2360 (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
2361 AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
2363 ath9k_hw_mark_phy_inactive(ah);
2365 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
2367 AR9271_RESET_POWER_DOWN_CONTROL,
2368 AR9271_RADIO_RF_RST);
2372 if (!ath9k_hw_chip_reset(ah, chan)) {
2373 DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Chip reset failed\n");
2377 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
2378 ah->htc_reset_init = false;
2380 AR9271_RESET_POWER_DOWN_CONTROL,
2381 AR9271_GATE_MAC_CTL);
2385 if (AR_SREV_9280_10_OR_LATER(ah))
2386 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
2388 if (AR_SREV_9287_10_OR_LATER(ah)) {
2389 /* Enable ASYNC FIFO */
2390 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
2391 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
2392 REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
2393 REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
2394 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
2395 REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
2396 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
2398 r = ath9k_hw_process_ini(ah, chan, sc->tx_chan_width);
2402 /* Setup MFP options for CCMP */
2403 if (AR_SREV_9280_20_OR_LATER(ah)) {
2404 /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
2405 * frames when constructing CCMP AAD. */
2406 REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT,
2408 ah->sw_mgmt_crypto = false;
2409 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
2410 /* Disable hardware crypto for management frames */
2411 REG_CLR_BIT(ah, AR_PCU_MISC_MODE2,
2412 AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE);
2413 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
2414 AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT);
2415 ah->sw_mgmt_crypto = true;
2417 ah->sw_mgmt_crypto = true;
2419 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
2420 ath9k_hw_set_delta_slope(ah, chan);
2422 if (AR_SREV_9280_10_OR_LATER(ah))
2423 ath9k_hw_9280_spur_mitigate(ah, chan);
2425 ath9k_hw_spur_mitigate(ah, chan);
2427 ah->eep_ops->set_board_values(ah, chan);
2429 ath9k_hw_decrease_chain_power(ah, chan);
2431 REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ah->macaddr));
2432 REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ah->macaddr + 4)
2434 | AR_STA_ID1_RTS_USE_DEF
2436 ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
2437 | ah->sta_id1_defaults);
2438 ath9k_hw_set_operating_mode(ah, ah->opmode);
2440 REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
2441 REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
2443 REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
2445 REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
2446 REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
2447 ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
2449 REG_WRITE(ah, AR_ISR, ~0);
2451 REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
2453 if (AR_SREV_9280_10_OR_LATER(ah))
2454 ath9k_hw_ar9280_set_channel(ah, chan);
2456 if (!(ath9k_hw_set_channel(ah, chan)))
2459 for (i = 0; i < AR_NUM_DCU; i++)
2460 REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
2463 for (i = 0; i < ah->caps.total_queues; i++)
2464 ath9k_hw_resettxqueue(ah, i);
2466 ath9k_hw_init_interrupt_masks(ah, ah->opmode);
2467 ath9k_hw_init_qos(ah);
2469 if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
2470 ath9k_enable_rfkill(ah);
2472 ath9k_hw_init_user_settings(ah);
2474 if (AR_SREV_9287_10_OR_LATER(ah)) {
2475 REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
2476 AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
2477 REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
2478 AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
2479 REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
2480 AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
2482 REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
2483 REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
2485 REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
2486 AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
2487 REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
2488 AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
2490 if (AR_SREV_9287_10_OR_LATER(ah)) {
2491 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
2492 AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
2495 REG_WRITE(ah, AR_STA_ID1,
2496 REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
2498 ath9k_hw_set_dma(ah);
2500 REG_WRITE(ah, AR_OBS, 8);
2502 if (ah->config.intr_mitigation) {
2503 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
2504 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
2507 ath9k_hw_init_bb(ah, chan);
2509 if (!ath9k_hw_init_cal(ah, chan))
2512 rx_chainmask = ah->rxchainmask;
2513 if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
2514 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
2515 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
2518 REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
2521 * For big endian systems turn on swapping for descriptors
2523 if (AR_SREV_9100(ah)) {
2525 mask = REG_READ(ah, AR_CFG);
2526 if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
2527 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
2528 "CFG Byte Swap Set 0x%x\n", mask);
2531 INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
2532 REG_WRITE(ah, AR_CFG, mask);
2533 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
2534 "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
2537 /* Configure AR9271 target WLAN */
2538 if (AR_SREV_9271(ah))
2539 REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
2542 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
2549 /************************/
2550 /* Key Cache Management */
2551 /************************/
2553 bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
2557 if (entry >= ah->caps.keycache_size) {
2558 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2559 "keychache entry %u out of range\n", entry);
2563 keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
2565 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
2566 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
2567 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
2568 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
2569 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
2570 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
2571 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
2572 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
2574 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
2575 u16 micentry = entry + 64;
2577 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
2578 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
2579 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
2580 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
2587 bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
2591 if (entry >= ah->caps.keycache_size) {
2592 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2593 "keychache entry %u out of range\n", entry);
2598 macHi = (mac[5] << 8) | mac[4];
2599 macLo = (mac[3] << 24) |
2604 macLo |= (macHi & 1) << 31;
2609 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
2610 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
2615 bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
2616 const struct ath9k_keyval *k,
2619 const struct ath9k_hw_capabilities *pCap = &ah->caps;
2620 u32 key0, key1, key2, key3, key4;
2623 if (entry >= pCap->keycache_size) {
2624 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2625 "keycache entry %u out of range\n", entry);
2629 switch (k->kv_type) {
2630 case ATH9K_CIPHER_AES_OCB:
2631 keyType = AR_KEYTABLE_TYPE_AES;
2633 case ATH9K_CIPHER_AES_CCM:
2634 if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
2635 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2636 "AES-CCM not supported by mac rev 0x%x\n",
2637 ah->hw_version.macRev);
2640 keyType = AR_KEYTABLE_TYPE_CCM;
2642 case ATH9K_CIPHER_TKIP:
2643 keyType = AR_KEYTABLE_TYPE_TKIP;
2644 if (ATH9K_IS_MIC_ENABLED(ah)
2645 && entry + 64 >= pCap->keycache_size) {
2646 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2647 "entry %u inappropriate for TKIP\n", entry);
2651 case ATH9K_CIPHER_WEP:
2652 if (k->kv_len < WLAN_KEY_LEN_WEP40) {
2653 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2654 "WEP key length %u too small\n", k->kv_len);
2657 if (k->kv_len <= WLAN_KEY_LEN_WEP40)
2658 keyType = AR_KEYTABLE_TYPE_40;
2659 else if (k->kv_len <= WLAN_KEY_LEN_WEP104)
2660 keyType = AR_KEYTABLE_TYPE_104;
2662 keyType = AR_KEYTABLE_TYPE_128;
2664 case ATH9K_CIPHER_CLR:
2665 keyType = AR_KEYTABLE_TYPE_CLR;
2668 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2669 "cipher %u not supported\n", k->kv_type);
2673 key0 = get_unaligned_le32(k->kv_val + 0);
2674 key1 = get_unaligned_le16(k->kv_val + 4);
2675 key2 = get_unaligned_le32(k->kv_val + 6);
2676 key3 = get_unaligned_le16(k->kv_val + 10);
2677 key4 = get_unaligned_le32(k->kv_val + 12);
2678 if (k->kv_len <= WLAN_KEY_LEN_WEP104)
2682 * Note: Key cache registers access special memory area that requires
2683 * two 32-bit writes to actually update the values in the internal
2684 * memory. Consequently, the exact order and pairs used here must be
2688 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
2689 u16 micentry = entry + 64;
2692 * Write inverted key[47:0] first to avoid Michael MIC errors
2693 * on frames that could be sent or received at the same time.
2694 * The correct key will be written in the end once everything
2697 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
2698 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
2700 /* Write key[95:48] */
2701 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
2702 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
2704 /* Write key[127:96] and key type */
2705 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
2706 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
2708 /* Write MAC address for the entry */
2709 (void) ath9k_hw_keysetmac(ah, entry, mac);
2711 if (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) {
2713 * TKIP uses two key cache entries:
2714 * Michael MIC TX/RX keys in the same key cache entry
2715 * (idx = main index + 64):
2716 * key0 [31:0] = RX key [31:0]
2717 * key1 [15:0] = TX key [31:16]
2718 * key1 [31:16] = reserved
2719 * key2 [31:0] = RX key [63:32]
2720 * key3 [15:0] = TX key [15:0]
2721 * key3 [31:16] = reserved
2722 * key4 [31:0] = TX key [63:32]
2724 u32 mic0, mic1, mic2, mic3, mic4;
2726 mic0 = get_unaligned_le32(k->kv_mic + 0);
2727 mic2 = get_unaligned_le32(k->kv_mic + 4);
2728 mic1 = get_unaligned_le16(k->kv_txmic + 2) & 0xffff;
2729 mic3 = get_unaligned_le16(k->kv_txmic + 0) & 0xffff;
2730 mic4 = get_unaligned_le32(k->kv_txmic + 4);
2732 /* Write RX[31:0] and TX[31:16] */
2733 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
2734 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), mic1);
2736 /* Write RX[63:32] and TX[15:0] */
2737 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
2738 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), mic3);
2740 /* Write TX[63:32] and keyType(reserved) */
2741 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), mic4);
2742 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
2743 AR_KEYTABLE_TYPE_CLR);
2747 * TKIP uses four key cache entries (two for group
2749 * Michael MIC TX/RX keys are in different key cache
2750 * entries (idx = main index + 64 for TX and
2751 * main index + 32 + 96 for RX):
2752 * key0 [31:0] = TX/RX MIC key [31:0]
2753 * key1 [31:0] = reserved
2754 * key2 [31:0] = TX/RX MIC key [63:32]
2755 * key3 [31:0] = reserved
2756 * key4 [31:0] = reserved
2758 * Upper layer code will call this function separately
2759 * for TX and RX keys when these registers offsets are
2764 mic0 = get_unaligned_le32(k->kv_mic + 0);
2765 mic2 = get_unaligned_le32(k->kv_mic + 4);
2767 /* Write MIC key[31:0] */
2768 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
2769 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
2771 /* Write MIC key[63:32] */
2772 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
2773 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
2775 /* Write TX[63:32] and keyType(reserved) */
2776 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
2777 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
2778 AR_KEYTABLE_TYPE_CLR);
2781 /* MAC address registers are reserved for the MIC entry */
2782 REG_WRITE(ah, AR_KEYTABLE_MAC0(micentry), 0);
2783 REG_WRITE(ah, AR_KEYTABLE_MAC1(micentry), 0);
2786 * Write the correct (un-inverted) key[47:0] last to enable
2787 * TKIP now that all other registers are set with correct
2790 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
2791 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
2793 /* Write key[47:0] */
2794 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
2795 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
2797 /* Write key[95:48] */
2798 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
2799 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
2801 /* Write key[127:96] and key type */
2802 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
2803 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
2805 /* Write MAC address for the entry */
2806 (void) ath9k_hw_keysetmac(ah, entry, mac);
2812 bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry)
2814 if (entry < ah->caps.keycache_size) {
2815 u32 val = REG_READ(ah, AR_KEYTABLE_MAC1(entry));
2816 if (val & AR_KEYTABLE_VALID)
2822 /******************************/
2823 /* Power Management (Chipset) */
2824 /******************************/
2826 static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
2828 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2830 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2831 AR_RTC_FORCE_WAKE_EN);
2832 if (!AR_SREV_9100(ah))
2833 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
2835 REG_CLR_BIT(ah, (AR_RTC_RESET),
2840 static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
2842 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2844 struct ath9k_hw_capabilities *pCap = &ah->caps;
2846 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
2847 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
2848 AR_RTC_FORCE_WAKE_ON_INT);
2850 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2851 AR_RTC_FORCE_WAKE_EN);
2856 static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
2862 if ((REG_READ(ah, AR_RTC_STATUS) &
2863 AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) {
2864 if (ath9k_hw_set_reset_reg(ah,
2865 ATH9K_RESET_POWER_ON) != true) {
2869 if (AR_SREV_9100(ah))
2870 REG_SET_BIT(ah, AR_RTC_RESET,
2873 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2874 AR_RTC_FORCE_WAKE_EN);
2877 for (i = POWER_UP_TIME / 50; i > 0; i--) {
2878 val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
2879 if (val == AR_RTC_STATUS_ON)
2882 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2883 AR_RTC_FORCE_WAKE_EN);
2886 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2887 "Failed to wakeup in %uus\n", POWER_UP_TIME / 20);
2892 REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2897 static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
2898 enum ath9k_power_mode mode)
2900 int status = true, setChip = true;
2901 static const char *modes[] = {
2908 if (ah->power_mode == mode)
2911 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s -> %s\n",
2912 modes[ah->power_mode], modes[mode]);
2915 case ATH9K_PM_AWAKE:
2916 status = ath9k_hw_set_power_awake(ah, setChip);
2918 case ATH9K_PM_FULL_SLEEP:
2919 ath9k_set_power_sleep(ah, setChip);
2920 ah->chip_fullsleep = true;
2922 case ATH9K_PM_NETWORK_SLEEP:
2923 ath9k_set_power_network_sleep(ah, setChip);
2926 DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
2927 "Unknown power mode %u\n", mode);
2930 ah->power_mode = mode;
2935 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
2937 unsigned long flags;
2940 spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
2941 ret = ath9k_hw_setpower_nolock(ah, mode);
2942 spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
2947 void ath9k_ps_wakeup(struct ath_softc *sc)
2949 unsigned long flags;
2951 spin_lock_irqsave(&sc->sc_pm_lock, flags);
2952 if (++sc->ps_usecount != 1)
2955 ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
2958 spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
2961 void ath9k_ps_restore(struct ath_softc *sc)
2963 unsigned long flags;
2965 spin_lock_irqsave(&sc->sc_pm_lock, flags);
2966 if (--sc->ps_usecount != 0)
2969 if (sc->ps_enabled &&
2970 !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
2971 SC_OP_WAIT_FOR_CAB |
2972 SC_OP_WAIT_FOR_PSPOLL_DATA |
2973 SC_OP_WAIT_FOR_TX_ACK)))
2974 ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
2977 spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
2981 * Helper for ASPM support.
2983 * Disable PLL when in L0s as well as receiver clock when in L1.
2984 * This power saving option must be enabled through the SerDes.
2986 * Programming the SerDes must go through the same 288 bit serial shift
2987 * register as the other analog registers. Hence the 9 writes.
2989 void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
2993 if (ah->is_pciexpress != true)
2996 /* Do not touch SerDes registers */
2997 if (ah->config.pcie_powersave_enable == 2)
3000 /* Nothing to do on restore for 11N */
3004 if (AR_SREV_9280_20_OR_LATER(ah)) {
3006 * AR9280 2.0 or later chips use SerDes values from the
3007 * initvals.h initialized depending on chipset during
3010 for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
3011 REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
3012 INI_RA(&ah->iniPcieSerdes, i, 1));
3014 } else if (AR_SREV_9280(ah) &&
3015 (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
3016 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
3017 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
3019 /* RX shut off when elecidle is asserted */
3020 REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
3021 REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
3022 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
3024 /* Shut off CLKREQ active in L1 */
3025 if (ah->config.pcie_clock_req)
3026 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
3028 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
3030 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
3031 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
3032 REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
3034 /* Load the new settings */
3035 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
3038 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
3039 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
3041 /* RX shut off when elecidle is asserted */
3042 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
3043 REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
3044 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
3047 * Ignore ah->ah_config.pcie_clock_req setting for
3050 REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
3052 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
3053 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
3054 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
3056 /* Load the new settings */
3057 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
3062 /* set bit 19 to allow forcing of pcie core into L1 state */
3063 REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
3065 /* Several PCIe massages to ensure proper behaviour */
3066 if (ah->config.pcie_waen) {
3067 REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
3069 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
3070 REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
3072 * On AR9280 chips bit 22 of 0x4004 needs to be set to
3073 * otherwise card may disappear.
3075 else if (AR_SREV_9280(ah))
3076 REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
3078 REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
3082 /**********************/
3083 /* Interrupt Handling */
3084 /**********************/
3086 bool ath9k_hw_intrpend(struct ath_hw *ah)
3090 if (AR_SREV_9100(ah))
3093 host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
3094 if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
3097 host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
3098 if ((host_isr & AR_INTR_SYNC_DEFAULT)
3099 && (host_isr != AR_INTR_SPURIOUS))
3105 bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
3109 struct ath9k_hw_capabilities *pCap = &ah->caps;
3111 bool fatal_int = false;
3113 if (!AR_SREV_9100(ah)) {
3114 if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
3115 if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
3116 == AR_RTC_STATUS_ON) {
3117 isr = REG_READ(ah, AR_ISR);
3121 sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
3122 AR_INTR_SYNC_DEFAULT;
3126 if (!isr && !sync_cause)
3130 isr = REG_READ(ah, AR_ISR);
3134 if (isr & AR_ISR_BCNMISC) {
3136 isr2 = REG_READ(ah, AR_ISR_S2);
3137 if (isr2 & AR_ISR_S2_TIM)
3138 mask2 |= ATH9K_INT_TIM;
3139 if (isr2 & AR_ISR_S2_DTIM)
3140 mask2 |= ATH9K_INT_DTIM;
3141 if (isr2 & AR_ISR_S2_DTIMSYNC)
3142 mask2 |= ATH9K_INT_DTIMSYNC;
3143 if (isr2 & (AR_ISR_S2_CABEND))
3144 mask2 |= ATH9K_INT_CABEND;
3145 if (isr2 & AR_ISR_S2_GTT)
3146 mask2 |= ATH9K_INT_GTT;
3147 if (isr2 & AR_ISR_S2_CST)
3148 mask2 |= ATH9K_INT_CST;
3149 if (isr2 & AR_ISR_S2_TSFOOR)
3150 mask2 |= ATH9K_INT_TSFOOR;
3153 isr = REG_READ(ah, AR_ISR_RAC);
3154 if (isr == 0xffffffff) {
3159 *masked = isr & ATH9K_INT_COMMON;
3161 if (ah->config.intr_mitigation) {
3162 if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
3163 *masked |= ATH9K_INT_RX;
3166 if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
3167 *masked |= ATH9K_INT_RX;
3169 (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
3173 *masked |= ATH9K_INT_TX;
3175 s0_s = REG_READ(ah, AR_ISR_S0_S);
3176 ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
3177 ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
3179 s1_s = REG_READ(ah, AR_ISR_S1_S);
3180 ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
3181 ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
3184 if (isr & AR_ISR_RXORN) {
3185 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
3186 "receive FIFO overrun interrupt\n");
3189 if (!AR_SREV_9100(ah)) {
3190 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
3191 u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
3192 if (isr5 & AR_ISR_S5_TIM_TIMER)
3193 *masked |= ATH9K_INT_TIM_TIMER;
3200 if (AR_SREV_9100(ah))
3206 (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
3210 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
3211 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
3212 "received PCI FATAL interrupt\n");
3214 if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
3215 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
3216 "received PCI PERR interrupt\n");
3218 *masked |= ATH9K_INT_FATAL;
3220 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
3221 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
3222 "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
3223 REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
3224 REG_WRITE(ah, AR_RC, 0);
3225 *masked |= ATH9K_INT_FATAL;
3227 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
3228 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
3229 "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
3232 REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
3233 (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
3239 enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
3241 u32 omask = ah->mask_reg;
3243 struct ath9k_hw_capabilities *pCap = &ah->caps;
3245 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
3247 if (omask & ATH9K_INT_GLOBAL) {
3248 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "disable IER\n");
3249 REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
3250 (void) REG_READ(ah, AR_IER);
3251 if (!AR_SREV_9100(ah)) {
3252 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
3253 (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
3255 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
3256 (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
3260 mask = ints & ATH9K_INT_COMMON;
3263 if (ints & ATH9K_INT_TX) {
3264 if (ah->txok_interrupt_mask)
3265 mask |= AR_IMR_TXOK;
3266 if (ah->txdesc_interrupt_mask)
3267 mask |= AR_IMR_TXDESC;
3268 if (ah->txerr_interrupt_mask)
3269 mask |= AR_IMR_TXERR;
3270 if (ah->txeol_interrupt_mask)
3271 mask |= AR_IMR_TXEOL;
3273 if (ints & ATH9K_INT_RX) {
3274 mask |= AR_IMR_RXERR;
3275 if (ah->config.intr_mitigation)
3276 mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
3278 mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
3279 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
3280 mask |= AR_IMR_GENTMR;
3283 if (ints & (ATH9K_INT_BMISC)) {
3284 mask |= AR_IMR_BCNMISC;
3285 if (ints & ATH9K_INT_TIM)
3286 mask2 |= AR_IMR_S2_TIM;
3287 if (ints & ATH9K_INT_DTIM)
3288 mask2 |= AR_IMR_S2_DTIM;
3289 if (ints & ATH9K_INT_DTIMSYNC)
3290 mask2 |= AR_IMR_S2_DTIMSYNC;
3291 if (ints & ATH9K_INT_CABEND)
3292 mask2 |= AR_IMR_S2_CABEND;
3293 if (ints & ATH9K_INT_TSFOOR)
3294 mask2 |= AR_IMR_S2_TSFOOR;
3297 if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
3298 mask |= AR_IMR_BCNMISC;
3299 if (ints & ATH9K_INT_GTT)
3300 mask2 |= AR_IMR_S2_GTT;
3301 if (ints & ATH9K_INT_CST)
3302 mask2 |= AR_IMR_S2_CST;
3305 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
3306 REG_WRITE(ah, AR_IMR, mask);
3307 mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
3309 AR_IMR_S2_DTIMSYNC |
3313 AR_IMR_S2_GTT | AR_IMR_S2_CST);
3314 REG_WRITE(ah, AR_IMR_S2, mask | mask2);
3315 ah->mask_reg = ints;
3317 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
3318 if (ints & ATH9K_INT_TIM_TIMER)
3319 REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
3321 REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
3324 if (ints & ATH9K_INT_GLOBAL) {
3325 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "enable IER\n");
3326 REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
3327 if (!AR_SREV_9100(ah)) {
3328 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
3330 REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
3333 REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
3334 AR_INTR_SYNC_DEFAULT);
3335 REG_WRITE(ah, AR_INTR_SYNC_MASK,
3336 AR_INTR_SYNC_DEFAULT);
3338 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
3339 REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
3345 /*******************/
3346 /* Beacon Handling */
3347 /*******************/
3349 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
3353 ah->beacon_interval = beacon_period;
3355 switch (ah->opmode) {
3356 case NL80211_IFTYPE_STATION:
3357 case NL80211_IFTYPE_MONITOR:
3358 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
3359 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
3360 REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
3361 flags |= AR_TBTT_TIMER_EN;
3363 case NL80211_IFTYPE_ADHOC:
3364 case NL80211_IFTYPE_MESH_POINT:
3365 REG_SET_BIT(ah, AR_TXCFG,
3366 AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
3367 REG_WRITE(ah, AR_NEXT_NDP_TIMER,
3368 TU_TO_USEC(next_beacon +
3369 (ah->atim_window ? ah->
3371 flags |= AR_NDP_TIMER_EN;
3372 case NL80211_IFTYPE_AP:
3373 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
3374 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT,
3375 TU_TO_USEC(next_beacon -
3377 dma_beacon_response_time));
3378 REG_WRITE(ah, AR_NEXT_SWBA,
3379 TU_TO_USEC(next_beacon -
3381 sw_beacon_response_time));
3383 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
3386 DPRINTF(ah->ah_sc, ATH_DBG_BEACON,
3387 "%s: unsupported opmode: %d\n",
3388 __func__, ah->opmode);
3393 REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period));
3394 REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period));
3395 REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
3396 REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
3398 beacon_period &= ~ATH9K_BEACON_ENA;
3399 if (beacon_period & ATH9K_BEACON_RESET_TSF) {
3400 beacon_period &= ~ATH9K_BEACON_RESET_TSF;
3401 ath9k_hw_reset_tsf(ah);
3404 REG_SET_BIT(ah, AR_TIMER_MODE, flags);
3407 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
3408 const struct ath9k_beacon_state *bs)
3410 u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
3411 struct ath9k_hw_capabilities *pCap = &ah->caps;
3413 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
3415 REG_WRITE(ah, AR_BEACON_PERIOD,
3416 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
3417 REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
3418 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
3420 REG_RMW_FIELD(ah, AR_RSSI_THR,
3421 AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
3423 beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
3425 if (bs->bs_sleepduration > beaconintval)
3426 beaconintval = bs->bs_sleepduration;
3428 dtimperiod = bs->bs_dtimperiod;
3429 if (bs->bs_sleepduration > dtimperiod)
3430 dtimperiod = bs->bs_sleepduration;
3432 if (beaconintval == dtimperiod)
3433 nextTbtt = bs->bs_nextdtim;
3435 nextTbtt = bs->bs_nexttbtt;
3437 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
3438 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
3439 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
3440 DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
3442 REG_WRITE(ah, AR_NEXT_DTIM,
3443 TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
3444 REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
3446 REG_WRITE(ah, AR_SLEEP1,
3447 SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
3448 | AR_SLEEP1_ASSUME_DTIM);
3450 if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
3451 beacontimeout = (BEACON_TIMEOUT_VAL << 3);
3453 beacontimeout = MIN_BEACON_TIMEOUT_VAL;
3455 REG_WRITE(ah, AR_SLEEP2,
3456 SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
3458 REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
3459 REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
3461 REG_SET_BIT(ah, AR_TIMER_MODE,
3462 AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
3465 /* TSF Out of Range Threshold */
3466 REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold);
3469 /*******************/
3470 /* HW Capabilities */
3471 /*******************/
3473 void ath9k_hw_fill_cap_info(struct ath_hw *ah)
3475 struct ath9k_hw_capabilities *pCap = &ah->caps;
3476 u16 capField = 0, eeval;
3478 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
3479 ah->regulatory.current_rd = eeval;
3481 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
3482 if (AR_SREV_9285_10_OR_LATER(ah))
3483 eeval |= AR9285_RDEXT_DEFAULT;
3484 ah->regulatory.current_rd_ext = eeval;
3486 capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);
3488 if (ah->opmode != NL80211_IFTYPE_AP &&
3489 ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
3490 if (ah->regulatory.current_rd == 0x64 ||
3491 ah->regulatory.current_rd == 0x65)
3492 ah->regulatory.current_rd += 5;
3493 else if (ah->regulatory.current_rd == 0x41)
3494 ah->regulatory.current_rd = 0x43;
3495 DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
3496 "regdomain mapped to 0x%x\n", ah->regulatory.current_rd);
3499 eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
3500 bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
3502 if (eeval & AR5416_OPFLAGS_11A) {
3503 set_bit(ATH9K_MODE_11A, pCap->wireless_modes);
3504 if (ah->config.ht_enable) {
3505 if (!(eeval & AR5416_OPFLAGS_N_5G_HT20))
3506 set_bit(ATH9K_MODE_11NA_HT20,
3507 pCap->wireless_modes);
3508 if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) {
3509 set_bit(ATH9K_MODE_11NA_HT40PLUS,
3510 pCap->wireless_modes);
3511 set_bit(ATH9K_MODE_11NA_HT40MINUS,
3512 pCap->wireless_modes);
3517 if (eeval & AR5416_OPFLAGS_11G) {
3518 set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
3519 if (ah->config.ht_enable) {
3520 if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
3521 set_bit(ATH9K_MODE_11NG_HT20,
3522 pCap->wireless_modes);
3523 if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) {
3524 set_bit(ATH9K_MODE_11NG_HT40PLUS,
3525 pCap->wireless_modes);
3526 set_bit(ATH9K_MODE_11NG_HT40MINUS,
3527 pCap->wireless_modes);
3532 pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
3534 * For AR9271 we will temporarilly uses the rx chainmax as read from
3537 if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
3538 !(eeval & AR5416_OPFLAGS_11A) &&
3539 !(AR_SREV_9271(ah)))
3540 /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
3541 pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
3543 /* Use rx_chainmask from EEPROM. */
3544 pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
3546 if (!(AR_SREV_9280(ah) && (ah->hw_version.macRev == 0)))
3547 ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
3549 pCap->low_2ghz_chan = 2312;
3550 pCap->high_2ghz_chan = 2732;
3552 pCap->low_5ghz_chan = 4920;
3553 pCap->high_5ghz_chan = 6100;
3555 pCap->hw_caps &= ~ATH9K_HW_CAP_CIPHER_CKIP;
3556 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_TKIP;
3557 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_AESCCM;
3559 pCap->hw_caps &= ~ATH9K_HW_CAP_MIC_CKIP;
3560 pCap->hw_caps |= ATH9K_HW_CAP_MIC_TKIP;
3561 pCap->hw_caps |= ATH9K_HW_CAP_MIC_AESCCM;
3563 if (ah->config.ht_enable)
3564 pCap->hw_caps |= ATH9K_HW_CAP_HT;
3566 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
3568 pCap->hw_caps |= ATH9K_HW_CAP_GTT;
3569 pCap->hw_caps |= ATH9K_HW_CAP_VEOL;
3570 pCap->hw_caps |= ATH9K_HW_CAP_BSSIDMASK;
3571 pCap->hw_caps &= ~ATH9K_HW_CAP_MCAST_KEYSEARCH;
3573 if (capField & AR_EEPROM_EEPCAP_MAXQCU)
3574 pCap->total_queues =
3575 MS(capField, AR_EEPROM_EEPCAP_MAXQCU);
3577 pCap->total_queues = ATH9K_NUM_TX_QUEUES;
3579 if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
3580 pCap->keycache_size =
3581 1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
3583 pCap->keycache_size = AR_KEYTABLE_SIZE;
3585 pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
3586 pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
3588 if (AR_SREV_9285_10_OR_LATER(ah))
3589 pCap->num_gpio_pins = AR9285_NUM_GPIO;
3590 else if (AR_SREV_9280_10_OR_LATER(ah))
3591 pCap->num_gpio_pins = AR928X_NUM_GPIO;
3593 pCap->num_gpio_pins = AR_NUM_GPIO;
3595 if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
3596 pCap->hw_caps |= ATH9K_HW_CAP_CST;
3597 pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
3599 pCap->rts_aggr_limit = (8 * 1024);
3602 pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
3604 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
3605 ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT);
3606 if (ah->rfsilent & EEP_RFSILENT_ENABLED) {
3608 MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL);
3609 ah->rfkill_polarity =
3610 MS(ah->rfsilent, EEP_RFSILENT_POLARITY);
3612 pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
3616 if ((ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) ||
3617 (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) ||
3618 (ah->hw_version.macVersion == AR_SREV_VERSION_9160) ||
3619 (ah->hw_version.macVersion == AR_SREV_VERSION_9100) ||
3620 (ah->hw_version.macVersion == AR_SREV_VERSION_9280) ||
3621 (ah->hw_version.macVersion == AR_SREV_VERSION_9285))
3622 pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
3624 pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
3626 if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
3627 pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
3629 pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
3631 if (ah->regulatory.current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
3633 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3634 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
3635 AR_EEPROM_EEREGCAP_EN_KK_U2 |
3636 AR_EEPROM_EEREGCAP_EN_KK_MIDBAND;
3639 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3640 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
3643 pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
3645 pCap->num_antcfg_5ghz =
3646 ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ);
3647 pCap->num_antcfg_2ghz =
3648 ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
3650 if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
3651 pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX;
3652 ah->btactive_gpio = 6;
3653 ah->wlanactive_gpio = 5;
3657 bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
3658 u32 capability, u32 *result)
3661 case ATH9K_CAP_CIPHER:
3662 switch (capability) {
3663 case ATH9K_CIPHER_AES_CCM:
3664 case ATH9K_CIPHER_AES_OCB:
3665 case ATH9K_CIPHER_TKIP:
3666 case ATH9K_CIPHER_WEP:
3667 case ATH9K_CIPHER_MIC:
3668 case ATH9K_CIPHER_CLR:
3673 case ATH9K_CAP_TKIP_MIC:
3674 switch (capability) {
3678 return (ah->sta_id1_defaults &
3679 AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
3682 case ATH9K_CAP_TKIP_SPLIT:
3683 return (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) ?
3685 case ATH9K_CAP_DIVERSITY:
3686 return (REG_READ(ah, AR_PHY_CCK_DETECT) &
3687 AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV) ?
3689 case ATH9K_CAP_MCAST_KEYSRCH:
3690 switch (capability) {
3694 if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
3697 return (ah->sta_id1_defaults &
3698 AR_STA_ID1_MCAST_KSRCH) ? true :
3703 case ATH9K_CAP_TXPOW:
3704 switch (capability) {
3708 *result = ah->regulatory.power_limit;
3711 *result = ah->regulatory.max_power_level;
3714 *result = ah->regulatory.tp_scale;
3719 return (AR_SREV_9280_20_OR_LATER(ah) &&
3720 (ah->eep_ops->get_eeprom(ah, EEP_RC_CHAIN_MASK) == 1))
3727 bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
3728 u32 capability, u32 setting, int *status)
3733 case ATH9K_CAP_TKIP_MIC:
3735 ah->sta_id1_defaults |=
3736 AR_STA_ID1_CRPT_MIC_ENABLE;
3738 ah->sta_id1_defaults &=
3739 ~AR_STA_ID1_CRPT_MIC_ENABLE;
3741 case ATH9K_CAP_DIVERSITY:
3742 v = REG_READ(ah, AR_PHY_CCK_DETECT);
3744 v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
3746 v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
3747 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
3749 case ATH9K_CAP_MCAST_KEYSRCH:
3751 ah->sta_id1_defaults |= AR_STA_ID1_MCAST_KSRCH;
3753 ah->sta_id1_defaults &= ~AR_STA_ID1_MCAST_KSRCH;
3760 /****************************/
3761 /* GPIO / RFKILL / Antennae */
3762 /****************************/
3764 static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah,
3768 u32 gpio_shift, tmp;
3771 addr = AR_GPIO_OUTPUT_MUX3;
3773 addr = AR_GPIO_OUTPUT_MUX2;
3775 addr = AR_GPIO_OUTPUT_MUX1;
3777 gpio_shift = (gpio % 6) * 5;
3779 if (AR_SREV_9280_20_OR_LATER(ah)
3780 || (addr != AR_GPIO_OUTPUT_MUX1)) {
3781 REG_RMW(ah, addr, (type << gpio_shift),
3782 (0x1f << gpio_shift));
3784 tmp = REG_READ(ah, addr);
3785 tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
3786 tmp &= ~(0x1f << gpio_shift);
3787 tmp |= (type << gpio_shift);
3788 REG_WRITE(ah, addr, tmp);
3792 void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
3796 ASSERT(gpio < ah->caps.num_gpio_pins);
3798 gpio_shift = gpio << 1;
3802 (AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
3803 (AR_GPIO_OE_OUT_DRV << gpio_shift));
3806 u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
3808 #define MS_REG_READ(x, y) \
3809 (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y)))
3811 if (gpio >= ah->caps.num_gpio_pins)
3814 if (AR_SREV_9287_10_OR_LATER(ah))
3815 return MS_REG_READ(AR9287, gpio) != 0;
3816 else if (AR_SREV_9285_10_OR_LATER(ah))
3817 return MS_REG_READ(AR9285, gpio) != 0;
3818 else if (AR_SREV_9280_10_OR_LATER(ah))
3819 return MS_REG_READ(AR928X, gpio) != 0;
3821 return MS_REG_READ(AR, gpio) != 0;
3824 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
3829 ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
3831 gpio_shift = 2 * gpio;
3835 (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
3836 (AR_GPIO_OE_OUT_DRV << gpio_shift));
3839 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
3841 REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
3845 u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
3847 return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
3850 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
3852 REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
3855 bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
3856 enum ath9k_ant_setting settings,
3857 struct ath9k_channel *chan,
3862 static u8 tx_chainmask_cfg, rx_chainmask_cfg;
3864 if (AR_SREV_9280(ah)) {
3865 if (!tx_chainmask_cfg) {
3867 tx_chainmask_cfg = *tx_chainmask;
3868 rx_chainmask_cfg = *rx_chainmask;
3872 case ATH9K_ANT_FIXED_A:
3873 *tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
3874 *rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
3875 *antenna_cfgd = true;
3877 case ATH9K_ANT_FIXED_B:
3878 if (ah->caps.tx_chainmask >
3879 ATH9K_ANTENNA1_CHAINMASK) {
3880 *tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
3882 *rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
3883 *antenna_cfgd = true;
3885 case ATH9K_ANT_VARIABLE:
3886 *tx_chainmask = tx_chainmask_cfg;
3887 *rx_chainmask = rx_chainmask_cfg;
3888 *antenna_cfgd = true;
3894 ah->diversity_control = settings;
3900 /*********************/
3901 /* General Operation */
3902 /*********************/
3904 u32 ath9k_hw_getrxfilter(struct ath_hw *ah)
3906 u32 bits = REG_READ(ah, AR_RX_FILTER);
3907 u32 phybits = REG_READ(ah, AR_PHY_ERR);
3909 if (phybits & AR_PHY_ERR_RADAR)
3910 bits |= ATH9K_RX_FILTER_PHYRADAR;
3911 if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
3912 bits |= ATH9K_RX_FILTER_PHYERR;
3917 void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
3921 REG_WRITE(ah, AR_RX_FILTER, (bits & 0xffff) | AR_RX_COMPR_BAR);
3923 if (bits & ATH9K_RX_FILTER_PHYRADAR)
3924 phybits |= AR_PHY_ERR_RADAR;
3925 if (bits & ATH9K_RX_FILTER_PHYERR)
3926 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
3927 REG_WRITE(ah, AR_PHY_ERR, phybits);
3930 REG_WRITE(ah, AR_RXCFG,
3931 REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
3933 REG_WRITE(ah, AR_RXCFG,
3934 REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
3937 bool ath9k_hw_phy_disable(struct ath_hw *ah)
3939 return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM);
3942 bool ath9k_hw_disable(struct ath_hw *ah)
3944 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
3947 return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
3950 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
3952 struct ath9k_channel *chan = ah->curchan;
3953 struct ieee80211_channel *channel = chan->chan;
3955 ah->regulatory.power_limit = min(limit, (u32) MAX_RATE_POWER);
3957 ah->eep_ops->set_txpower(ah, chan,
3958 ath9k_regd_get_ctl(&ah->regulatory, chan),
3959 channel->max_antenna_gain * 2,
3960 channel->max_power * 2,
3961 min((u32) MAX_RATE_POWER,
3962 (u32) ah->regulatory.power_limit));
3965 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
3967 memcpy(ah->macaddr, mac, ETH_ALEN);
3970 void ath9k_hw_setopmode(struct ath_hw *ah)
3972 ath9k_hw_set_operating_mode(ah, ah->opmode);
3975 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
3977 REG_WRITE(ah, AR_MCAST_FIL0, filter0);
3978 REG_WRITE(ah, AR_MCAST_FIL1, filter1);
3981 void ath9k_hw_setbssidmask(struct ath_softc *sc)
3983 REG_WRITE(sc->sc_ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
3984 REG_WRITE(sc->sc_ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
3987 void ath9k_hw_write_associd(struct ath_softc *sc)
3989 REG_WRITE(sc->sc_ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
3990 REG_WRITE(sc->sc_ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
3991 ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
3994 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
3998 tsf = REG_READ(ah, AR_TSF_U32);
3999 tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
4004 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
4006 REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
4007 REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
4010 void ath9k_hw_reset_tsf(struct ath_hw *ah)
4012 ath9k_ps_wakeup(ah->ah_sc);
4013 if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
4014 AH_TSF_WRITE_TIMEOUT))
4015 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
4016 "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
4018 REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
4019 ath9k_ps_restore(ah->ah_sc);
4022 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
4025 ah->misc_mode |= AR_PCU_TX_ADD_TSF;
4027 ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
4030 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
4032 if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
4033 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad slot time %u\n", us);
4034 ah->slottime = (u32) -1;
4037 REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
4043 void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode)
4047 if (mode == ATH9K_HT_MACMODE_2040 &&
4048 !ah->config.cwm_ignore_extcca)
4049 macmode = AR_2040_JOINED_RX_CLEAR;
4053 REG_WRITE(ah, AR_2040_MODE, macmode);
4056 /***************************/
4057 /* Bluetooth Coexistence */
4058 /***************************/
4060 void ath9k_hw_btcoex_enable(struct ath_hw *ah)
4062 /* connect bt_active to baseband */
4063 REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
4064 (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
4065 AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF));
4067 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
4068 AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB);
4070 /* Set input mux for bt_active to gpio pin */
4071 REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
4072 AR_GPIO_INPUT_MUX1_BT_ACTIVE,
4075 /* Configure the desired gpio port for input */
4076 ath9k_hw_cfg_gpio_input(ah, ah->btactive_gpio);
4078 /* Configure the desired GPIO port for TX_FRAME output */
4079 ath9k_hw_cfg_output(ah, ah->wlanactive_gpio,
4080 AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);