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>
24 #define ATH9K_CLOCK_RATE_CCK 22
25 #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
26 #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
28 static bool ath9k_hw_set_reset_reg(struct ath_hw
*ah
, u32 type
);
29 static void ath9k_hw_set_regs(struct ath_hw
*ah
, struct ath9k_channel
*chan
);
30 static u32
ath9k_hw_ini_fixup(struct ath_hw
*ah
,
31 struct ar5416_eeprom_def
*pEepData
,
34 MODULE_AUTHOR("Atheros Communications");
35 MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
36 MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
37 MODULE_LICENSE("Dual BSD/GPL");
39 static int __init
ath9k_init(void)
43 module_init(ath9k_init
);
45 static void __exit
ath9k_exit(void)
49 module_exit(ath9k_exit
);
51 /********************/
52 /* Helper Functions */
53 /********************/
55 static u32
ath9k_hw_mac_clks(struct ath_hw
*ah
, u32 usecs
)
57 struct ieee80211_conf
*conf
= &ath9k_hw_common(ah
)->hw
->conf
;
59 if (!ah
->curchan
) /* should really check for CCK instead */
60 return usecs
*ATH9K_CLOCK_RATE_CCK
;
61 if (conf
->channel
->band
== IEEE80211_BAND_2GHZ
)
62 return usecs
*ATH9K_CLOCK_RATE_2GHZ_OFDM
;
63 return usecs
*ATH9K_CLOCK_RATE_5GHZ_OFDM
;
66 static u32
ath9k_hw_mac_to_clks(struct ath_hw
*ah
, u32 usecs
)
68 struct ieee80211_conf
*conf
= &ath9k_hw_common(ah
)->hw
->conf
;
70 if (conf_is_ht40(conf
))
71 return ath9k_hw_mac_clks(ah
, usecs
) * 2;
73 return ath9k_hw_mac_clks(ah
, usecs
);
76 bool ath9k_hw_wait(struct ath_hw
*ah
, u32 reg
, u32 mask
, u32 val
, u32 timeout
)
80 BUG_ON(timeout
< AH_TIME_QUANTUM
);
82 for (i
= 0; i
< (timeout
/ AH_TIME_QUANTUM
); i
++) {
83 if ((REG_READ(ah
, reg
) & mask
) == val
)
86 udelay(AH_TIME_QUANTUM
);
89 ath_print(ath9k_hw_common(ah
), ATH_DBG_ANY
,
90 "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
91 timeout
, reg
, REG_READ(ah
, reg
), mask
, val
);
95 EXPORT_SYMBOL(ath9k_hw_wait
);
97 u32
ath9k_hw_reverse_bits(u32 val
, u32 n
)
102 for (i
= 0, retval
= 0; i
< n
; i
++) {
103 retval
= (retval
<< 1) | (val
& 1);
109 bool ath9k_get_channel_edges(struct ath_hw
*ah
,
113 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
115 if (flags
& CHANNEL_5GHZ
) {
116 *low
= pCap
->low_5ghz_chan
;
117 *high
= pCap
->high_5ghz_chan
;
120 if ((flags
& CHANNEL_2GHZ
)) {
121 *low
= pCap
->low_2ghz_chan
;
122 *high
= pCap
->high_2ghz_chan
;
128 u16
ath9k_hw_computetxtime(struct ath_hw
*ah
,
130 u32 frameLen
, u16 rateix
,
133 u32 bitsPerSymbol
, numBits
, numSymbols
, phyTime
, txTime
;
139 case WLAN_RC_PHY_CCK
:
140 phyTime
= CCK_PREAMBLE_BITS
+ CCK_PLCP_BITS
;
143 numBits
= frameLen
<< 3;
144 txTime
= CCK_SIFS_TIME
+ phyTime
+ ((numBits
* 1000) / kbps
);
146 case WLAN_RC_PHY_OFDM
:
147 if (ah
->curchan
&& IS_CHAN_QUARTER_RATE(ah
->curchan
)) {
148 bitsPerSymbol
= (kbps
* OFDM_SYMBOL_TIME_QUARTER
) / 1000;
149 numBits
= OFDM_PLCP_BITS
+ (frameLen
<< 3);
150 numSymbols
= DIV_ROUND_UP(numBits
, bitsPerSymbol
);
151 txTime
= OFDM_SIFS_TIME_QUARTER
152 + OFDM_PREAMBLE_TIME_QUARTER
153 + (numSymbols
* OFDM_SYMBOL_TIME_QUARTER
);
154 } else if (ah
->curchan
&&
155 IS_CHAN_HALF_RATE(ah
->curchan
)) {
156 bitsPerSymbol
= (kbps
* OFDM_SYMBOL_TIME_HALF
) / 1000;
157 numBits
= OFDM_PLCP_BITS
+ (frameLen
<< 3);
158 numSymbols
= DIV_ROUND_UP(numBits
, bitsPerSymbol
);
159 txTime
= OFDM_SIFS_TIME_HALF
+
160 OFDM_PREAMBLE_TIME_HALF
161 + (numSymbols
* OFDM_SYMBOL_TIME_HALF
);
163 bitsPerSymbol
= (kbps
* OFDM_SYMBOL_TIME
) / 1000;
164 numBits
= OFDM_PLCP_BITS
+ (frameLen
<< 3);
165 numSymbols
= DIV_ROUND_UP(numBits
, bitsPerSymbol
);
166 txTime
= OFDM_SIFS_TIME
+ OFDM_PREAMBLE_TIME
167 + (numSymbols
* OFDM_SYMBOL_TIME
);
171 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
172 "Unknown phy %u (rate ix %u)\n", phy
, rateix
);
179 EXPORT_SYMBOL(ath9k_hw_computetxtime
);
181 void ath9k_hw_get_channel_centers(struct ath_hw
*ah
,
182 struct ath9k_channel
*chan
,
183 struct chan_centers
*centers
)
187 if (!IS_CHAN_HT40(chan
)) {
188 centers
->ctl_center
= centers
->ext_center
=
189 centers
->synth_center
= chan
->channel
;
193 if ((chan
->chanmode
== CHANNEL_A_HT40PLUS
) ||
194 (chan
->chanmode
== CHANNEL_G_HT40PLUS
)) {
195 centers
->synth_center
=
196 chan
->channel
+ HT40_CHANNEL_CENTER_SHIFT
;
199 centers
->synth_center
=
200 chan
->channel
- HT40_CHANNEL_CENTER_SHIFT
;
204 centers
->ctl_center
=
205 centers
->synth_center
- (extoff
* HT40_CHANNEL_CENTER_SHIFT
);
206 /* 25 MHz spacing is supported by hw but not on upper layers */
207 centers
->ext_center
=
208 centers
->synth_center
+ (extoff
* HT40_CHANNEL_CENTER_SHIFT
);
215 static void ath9k_hw_read_revisions(struct ath_hw
*ah
)
219 val
= REG_READ(ah
, AR_SREV
) & AR_SREV_ID
;
222 val
= REG_READ(ah
, AR_SREV
);
223 ah
->hw_version
.macVersion
=
224 (val
& AR_SREV_VERSION2
) >> AR_SREV_TYPE2_S
;
225 ah
->hw_version
.macRev
= MS(val
, AR_SREV_REVISION2
);
226 ah
->is_pciexpress
= (val
& AR_SREV_TYPE2_HOST_MODE
) ? 0 : 1;
228 if (!AR_SREV_9100(ah
))
229 ah
->hw_version
.macVersion
= MS(val
, AR_SREV_VERSION
);
231 ah
->hw_version
.macRev
= val
& AR_SREV_REVISION
;
233 if (ah
->hw_version
.macVersion
== AR_SREV_VERSION_5416_PCIE
)
234 ah
->is_pciexpress
= true;
238 static int ath9k_hw_get_radiorev(struct ath_hw
*ah
)
243 REG_WRITE(ah
, AR_PHY(0x36), 0x00007058);
245 for (i
= 0; i
< 8; i
++)
246 REG_WRITE(ah
, AR_PHY(0x20), 0x00010000);
247 val
= (REG_READ(ah
, AR_PHY(256)) >> 24) & 0xff;
248 val
= ((val
& 0xf0) >> 4) | ((val
& 0x0f) << 4);
250 return ath9k_hw_reverse_bits(val
, 8);
253 /************************************/
254 /* HW Attach, Detach, Init Routines */
255 /************************************/
257 static void ath9k_hw_disablepcie(struct ath_hw
*ah
)
259 if (AR_SREV_9100(ah
))
262 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x9248fc00);
263 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x24924924);
264 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x28000029);
265 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x57160824);
266 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x25980579);
267 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x00000000);
268 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x1aaabe40);
269 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xbe105554);
270 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x000e1007);
272 REG_WRITE(ah
, AR_PCIE_SERDES2
, 0x00000000);
275 static bool ath9k_hw_chip_test(struct ath_hw
*ah
)
277 struct ath_common
*common
= ath9k_hw_common(ah
);
278 u32 regAddr
[2] = { AR_STA_ID0
, AR_PHY_BASE
+ (8 << 2) };
280 u32 patternData
[4] = { 0x55555555,
286 for (i
= 0; i
< 2; i
++) {
287 u32 addr
= regAddr
[i
];
290 regHold
[i
] = REG_READ(ah
, addr
);
291 for (j
= 0; j
< 0x100; j
++) {
292 wrData
= (j
<< 16) | j
;
293 REG_WRITE(ah
, addr
, wrData
);
294 rdData
= REG_READ(ah
, addr
);
295 if (rdData
!= wrData
) {
296 ath_print(common
, ATH_DBG_FATAL
,
297 "address test failed "
298 "addr: 0x%08x - wr:0x%08x != "
300 addr
, wrData
, rdData
);
304 for (j
= 0; j
< 4; j
++) {
305 wrData
= patternData
[j
];
306 REG_WRITE(ah
, addr
, wrData
);
307 rdData
= REG_READ(ah
, addr
);
308 if (wrData
!= rdData
) {
309 ath_print(common
, ATH_DBG_FATAL
,
310 "address test failed "
311 "addr: 0x%08x - wr:0x%08x != "
313 addr
, wrData
, rdData
);
317 REG_WRITE(ah
, regAddr
[i
], regHold
[i
]);
324 static void ath9k_hw_init_config(struct ath_hw
*ah
)
328 ah
->config
.dma_beacon_response_time
= 2;
329 ah
->config
.sw_beacon_response_time
= 10;
330 ah
->config
.additional_swba_backoff
= 0;
331 ah
->config
.ack_6mb
= 0x0;
332 ah
->config
.cwm_ignore_extcca
= 0;
333 ah
->config
.pcie_powersave_enable
= 0;
334 ah
->config
.pcie_clock_req
= 0;
335 ah
->config
.pcie_waen
= 0;
336 ah
->config
.analog_shiftreg
= 1;
337 ah
->config
.ofdm_trig_low
= 200;
338 ah
->config
.ofdm_trig_high
= 500;
339 ah
->config
.cck_trig_high
= 200;
340 ah
->config
.cck_trig_low
= 100;
341 ah
->config
.enable_ani
= 1;
343 for (i
= 0; i
< AR_EEPROM_MODAL_SPURS
; i
++) {
344 ah
->config
.spurchans
[i
][0] = AR_NO_SPUR
;
345 ah
->config
.spurchans
[i
][1] = AR_NO_SPUR
;
348 if (ah
->hw_version
.devid
!= AR2427_DEVID_PCIE
)
349 ah
->config
.ht_enable
= 1;
351 ah
->config
.ht_enable
= 0;
353 ah
->config
.rx_intr_mitigation
= true;
356 * We need this for PCI devices only (Cardbus, PCI, miniPCI)
357 * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
358 * This means we use it for all AR5416 devices, and the few
359 * minor PCI AR9280 devices out there.
361 * Serialization is required because these devices do not handle
362 * well the case of two concurrent reads/writes due to the latency
363 * involved. During one read/write another read/write can be issued
364 * on another CPU while the previous read/write may still be working
365 * on our hardware, if we hit this case the hardware poops in a loop.
366 * We prevent this by serializing reads and writes.
368 * This issue is not present on PCI-Express devices or pre-AR5416
369 * devices (legacy, 802.11abg).
371 if (num_possible_cpus() > 1)
372 ah
->config
.serialize_regmode
= SER_REG_MODE_AUTO
;
374 EXPORT_SYMBOL(ath9k_hw_init
);
376 static void ath9k_hw_init_defaults(struct ath_hw
*ah
)
378 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
380 regulatory
->country_code
= CTRY_DEFAULT
;
381 regulatory
->power_limit
= MAX_RATE_POWER
;
382 regulatory
->tp_scale
= ATH9K_TP_SCALE_MAX
;
384 ah
->hw_version
.magic
= AR5416_MAGIC
;
385 ah
->hw_version
.subvendorid
= 0;
388 if (ah
->hw_version
.devid
== AR5416_AR9100_DEVID
)
389 ah
->hw_version
.macVersion
= AR_SREV_VERSION_9100
;
390 if (!AR_SREV_9100(ah
))
391 ah
->ah_flags
= AH_USE_EEPROM
;
394 ah
->sta_id1_defaults
= AR_STA_ID1_CRPT_MIC_ENABLE
;
395 ah
->beacon_interval
= 100;
396 ah
->enable_32kHz_clock
= DONT_USE_32KHZ
;
397 ah
->slottime
= (u32
) -1;
398 ah
->globaltxtimeout
= (u32
) -1;
399 ah
->power_mode
= ATH9K_PM_UNDEFINED
;
402 static int ath9k_hw_rf_claim(struct ath_hw
*ah
)
406 REG_WRITE(ah
, AR_PHY(0), 0x00000007);
408 val
= ath9k_hw_get_radiorev(ah
);
409 switch (val
& AR_RADIO_SREV_MAJOR
) {
411 val
= AR_RAD5133_SREV_MAJOR
;
413 case AR_RAD5133_SREV_MAJOR
:
414 case AR_RAD5122_SREV_MAJOR
:
415 case AR_RAD2133_SREV_MAJOR
:
416 case AR_RAD2122_SREV_MAJOR
:
419 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
420 "Radio Chip Rev 0x%02X not supported\n",
421 val
& AR_RADIO_SREV_MAJOR
);
425 ah
->hw_version
.analog5GhzRev
= val
;
430 static int ath9k_hw_init_macaddr(struct ath_hw
*ah
)
432 struct ath_common
*common
= ath9k_hw_common(ah
);
438 for (i
= 0; i
< 3; i
++) {
439 eeval
= ah
->eep_ops
->get_eeprom(ah
, AR_EEPROM_MAC(i
));
441 common
->macaddr
[2 * i
] = eeval
>> 8;
442 common
->macaddr
[2 * i
+ 1] = eeval
& 0xff;
444 if (sum
== 0 || sum
== 0xffff * 3)
445 return -EADDRNOTAVAIL
;
450 static void ath9k_hw_init_rxgain_ini(struct ath_hw
*ah
)
454 if (ah
->eep_ops
->get_eeprom(ah
, EEP_MINOR_REV
) >= AR5416_EEP_MINOR_VER_17
) {
455 rxgain_type
= ah
->eep_ops
->get_eeprom(ah
, EEP_RXGAIN_TYPE
);
457 if (rxgain_type
== AR5416_EEP_RXGAIN_13DB_BACKOFF
)
458 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
459 ar9280Modes_backoff_13db_rxgain_9280_2
,
460 ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2
), 6);
461 else if (rxgain_type
== AR5416_EEP_RXGAIN_23DB_BACKOFF
)
462 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
463 ar9280Modes_backoff_23db_rxgain_9280_2
,
464 ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2
), 6);
466 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
467 ar9280Modes_original_rxgain_9280_2
,
468 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2
), 6);
470 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
471 ar9280Modes_original_rxgain_9280_2
,
472 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2
), 6);
476 static void ath9k_hw_init_txgain_ini(struct ath_hw
*ah
)
480 if (ah
->eep_ops
->get_eeprom(ah
, EEP_MINOR_REV
) >= AR5416_EEP_MINOR_VER_19
) {
481 txgain_type
= ah
->eep_ops
->get_eeprom(ah
, EEP_TXGAIN_TYPE
);
483 if (txgain_type
== AR5416_EEP_TXGAIN_HIGH_POWER
)
484 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
485 ar9280Modes_high_power_tx_gain_9280_2
,
486 ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2
), 6);
488 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
489 ar9280Modes_original_tx_gain_9280_2
,
490 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2
), 6);
492 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
493 ar9280Modes_original_tx_gain_9280_2
,
494 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2
), 6);
498 static int ath9k_hw_post_init(struct ath_hw
*ah
)
502 if (!AR_SREV_9271(ah
)) {
503 if (!ath9k_hw_chip_test(ah
))
507 ecode
= ath9k_hw_rf_claim(ah
);
511 ecode
= ath9k_hw_eeprom_init(ah
);
515 ath_print(ath9k_hw_common(ah
), ATH_DBG_CONFIG
,
516 "Eeprom VER: %d, REV: %d\n",
517 ah
->eep_ops
->get_eeprom_ver(ah
),
518 ah
->eep_ops
->get_eeprom_rev(ah
));
520 if (!AR_SREV_9280_10_OR_LATER(ah
)) {
521 ecode
= ath9k_hw_rf_alloc_ext_banks(ah
);
523 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
524 "Failed allocating banks for "
530 if (!AR_SREV_9100(ah
)) {
531 ath9k_hw_ani_setup(ah
);
532 ath9k_hw_ani_init(ah
);
538 static bool ath9k_hw_devid_supported(u16 devid
)
541 case AR5416_DEVID_PCI
:
542 case AR5416_DEVID_PCIE
:
543 case AR5416_AR9100_DEVID
:
544 case AR9160_DEVID_PCI
:
545 case AR9280_DEVID_PCI
:
546 case AR9280_DEVID_PCIE
:
547 case AR9285_DEVID_PCIE
:
548 case AR5416_DEVID_AR9287_PCI
:
549 case AR5416_DEVID_AR9287_PCIE
:
551 case AR2427_DEVID_PCIE
:
559 static bool ath9k_hw_macversion_supported(u32 macversion
)
561 switch (macversion
) {
562 case AR_SREV_VERSION_5416_PCI
:
563 case AR_SREV_VERSION_5416_PCIE
:
564 case AR_SREV_VERSION_9160
:
565 case AR_SREV_VERSION_9100
:
566 case AR_SREV_VERSION_9280
:
567 case AR_SREV_VERSION_9285
:
568 case AR_SREV_VERSION_9287
:
569 case AR_SREV_VERSION_9271
:
577 static void ath9k_hw_init_cal_settings(struct ath_hw
*ah
)
579 if (AR_SREV_9160_10_OR_LATER(ah
)) {
580 if (AR_SREV_9280_10_OR_LATER(ah
)) {
581 ah
->iq_caldata
.calData
= &iq_cal_single_sample
;
582 ah
->adcgain_caldata
.calData
=
583 &adc_gain_cal_single_sample
;
584 ah
->adcdc_caldata
.calData
=
585 &adc_dc_cal_single_sample
;
586 ah
->adcdc_calinitdata
.calData
=
589 ah
->iq_caldata
.calData
= &iq_cal_multi_sample
;
590 ah
->adcgain_caldata
.calData
=
591 &adc_gain_cal_multi_sample
;
592 ah
->adcdc_caldata
.calData
=
593 &adc_dc_cal_multi_sample
;
594 ah
->adcdc_calinitdata
.calData
=
597 ah
->supp_cals
= ADC_GAIN_CAL
| ADC_DC_CAL
| IQ_MISMATCH_CAL
;
601 static void ath9k_hw_init_mode_regs(struct ath_hw
*ah
)
603 if (AR_SREV_9271(ah
)) {
604 INIT_INI_ARRAY(&ah
->iniModes
, ar9271Modes_9271
,
605 ARRAY_SIZE(ar9271Modes_9271
), 6);
606 INIT_INI_ARRAY(&ah
->iniCommon
, ar9271Common_9271
,
607 ARRAY_SIZE(ar9271Common_9271
), 2);
608 INIT_INI_ARRAY(&ah
->iniCommon_normal_cck_fir_coeff_9271
,
609 ar9271Common_normal_cck_fir_coeff_9271
,
610 ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271
), 2);
611 INIT_INI_ARRAY(&ah
->iniCommon_japan_2484_cck_fir_coeff_9271
,
612 ar9271Common_japan_2484_cck_fir_coeff_9271
,
613 ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271
), 2);
614 INIT_INI_ARRAY(&ah
->iniModes_9271_1_0_only
,
615 ar9271Modes_9271_1_0_only
,
616 ARRAY_SIZE(ar9271Modes_9271_1_0_only
), 6);
617 INIT_INI_ARRAY(&ah
->iniModes_9271_ANI_reg
, ar9271Modes_9271_ANI_reg
,
618 ARRAY_SIZE(ar9271Modes_9271_ANI_reg
), 6);
619 INIT_INI_ARRAY(&ah
->iniModes_high_power_tx_gain_9271
,
620 ar9271Modes_high_power_tx_gain_9271
,
621 ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271
), 6);
622 INIT_INI_ARRAY(&ah
->iniModes_normal_power_tx_gain_9271
,
623 ar9271Modes_normal_power_tx_gain_9271
,
624 ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271
), 6);
628 if (AR_SREV_9287_11_OR_LATER(ah
)) {
629 INIT_INI_ARRAY(&ah
->iniModes
, ar9287Modes_9287_1_1
,
630 ARRAY_SIZE(ar9287Modes_9287_1_1
), 6);
631 INIT_INI_ARRAY(&ah
->iniCommon
, ar9287Common_9287_1_1
,
632 ARRAY_SIZE(ar9287Common_9287_1_1
), 2);
633 if (ah
->config
.pcie_clock_req
)
634 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
635 ar9287PciePhy_clkreq_off_L1_9287_1_1
,
636 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1
), 2);
638 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
639 ar9287PciePhy_clkreq_always_on_L1_9287_1_1
,
640 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1
),
642 } else if (AR_SREV_9287_10_OR_LATER(ah
)) {
643 INIT_INI_ARRAY(&ah
->iniModes
, ar9287Modes_9287_1_0
,
644 ARRAY_SIZE(ar9287Modes_9287_1_0
), 6);
645 INIT_INI_ARRAY(&ah
->iniCommon
, ar9287Common_9287_1_0
,
646 ARRAY_SIZE(ar9287Common_9287_1_0
), 2);
648 if (ah
->config
.pcie_clock_req
)
649 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
650 ar9287PciePhy_clkreq_off_L1_9287_1_0
,
651 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_0
), 2);
653 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
654 ar9287PciePhy_clkreq_always_on_L1_9287_1_0
,
655 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_0
),
657 } else if (AR_SREV_9285_12_OR_LATER(ah
)) {
660 INIT_INI_ARRAY(&ah
->iniModes
, ar9285Modes_9285_1_2
,
661 ARRAY_SIZE(ar9285Modes_9285_1_2
), 6);
662 INIT_INI_ARRAY(&ah
->iniCommon
, ar9285Common_9285_1_2
,
663 ARRAY_SIZE(ar9285Common_9285_1_2
), 2);
665 if (ah
->config
.pcie_clock_req
) {
666 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
667 ar9285PciePhy_clkreq_off_L1_9285_1_2
,
668 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2
), 2);
670 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
671 ar9285PciePhy_clkreq_always_on_L1_9285_1_2
,
672 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2
),
675 } else if (AR_SREV_9285_10_OR_LATER(ah
)) {
676 INIT_INI_ARRAY(&ah
->iniModes
, ar9285Modes_9285
,
677 ARRAY_SIZE(ar9285Modes_9285
), 6);
678 INIT_INI_ARRAY(&ah
->iniCommon
, ar9285Common_9285
,
679 ARRAY_SIZE(ar9285Common_9285
), 2);
681 if (ah
->config
.pcie_clock_req
) {
682 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
683 ar9285PciePhy_clkreq_off_L1_9285
,
684 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285
), 2);
686 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
687 ar9285PciePhy_clkreq_always_on_L1_9285
,
688 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285
), 2);
690 } else if (AR_SREV_9280_20_OR_LATER(ah
)) {
691 INIT_INI_ARRAY(&ah
->iniModes
, ar9280Modes_9280_2
,
692 ARRAY_SIZE(ar9280Modes_9280_2
), 6);
693 INIT_INI_ARRAY(&ah
->iniCommon
, ar9280Common_9280_2
,
694 ARRAY_SIZE(ar9280Common_9280_2
), 2);
696 if (ah
->config
.pcie_clock_req
) {
697 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
698 ar9280PciePhy_clkreq_off_L1_9280
,
699 ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280
),2);
701 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
702 ar9280PciePhy_clkreq_always_on_L1_9280
,
703 ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280
), 2);
705 INIT_INI_ARRAY(&ah
->iniModesAdditional
,
706 ar9280Modes_fast_clock_9280_2
,
707 ARRAY_SIZE(ar9280Modes_fast_clock_9280_2
), 3);
708 } else if (AR_SREV_9280_10_OR_LATER(ah
)) {
709 INIT_INI_ARRAY(&ah
->iniModes
, ar9280Modes_9280
,
710 ARRAY_SIZE(ar9280Modes_9280
), 6);
711 INIT_INI_ARRAY(&ah
->iniCommon
, ar9280Common_9280
,
712 ARRAY_SIZE(ar9280Common_9280
), 2);
713 } else if (AR_SREV_9160_10_OR_LATER(ah
)) {
714 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes_9160
,
715 ARRAY_SIZE(ar5416Modes_9160
), 6);
716 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common_9160
,
717 ARRAY_SIZE(ar5416Common_9160
), 2);
718 INIT_INI_ARRAY(&ah
->iniBank0
, ar5416Bank0_9160
,
719 ARRAY_SIZE(ar5416Bank0_9160
), 2);
720 INIT_INI_ARRAY(&ah
->iniBB_RfGain
, ar5416BB_RfGain_9160
,
721 ARRAY_SIZE(ar5416BB_RfGain_9160
), 3);
722 INIT_INI_ARRAY(&ah
->iniBank1
, ar5416Bank1_9160
,
723 ARRAY_SIZE(ar5416Bank1_9160
), 2);
724 INIT_INI_ARRAY(&ah
->iniBank2
, ar5416Bank2_9160
,
725 ARRAY_SIZE(ar5416Bank2_9160
), 2);
726 INIT_INI_ARRAY(&ah
->iniBank3
, ar5416Bank3_9160
,
727 ARRAY_SIZE(ar5416Bank3_9160
), 3);
728 INIT_INI_ARRAY(&ah
->iniBank6
, ar5416Bank6_9160
,
729 ARRAY_SIZE(ar5416Bank6_9160
), 3);
730 INIT_INI_ARRAY(&ah
->iniBank6TPC
, ar5416Bank6TPC_9160
,
731 ARRAY_SIZE(ar5416Bank6TPC_9160
), 3);
732 INIT_INI_ARRAY(&ah
->iniBank7
, ar5416Bank7_9160
,
733 ARRAY_SIZE(ar5416Bank7_9160
), 2);
734 if (AR_SREV_9160_11(ah
)) {
735 INIT_INI_ARRAY(&ah
->iniAddac
,
737 ARRAY_SIZE(ar5416Addac_91601_1
), 2);
739 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac_9160
,
740 ARRAY_SIZE(ar5416Addac_9160
), 2);
742 } else if (AR_SREV_9100_OR_LATER(ah
)) {
743 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes_9100
,
744 ARRAY_SIZE(ar5416Modes_9100
), 6);
745 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common_9100
,
746 ARRAY_SIZE(ar5416Common_9100
), 2);
747 INIT_INI_ARRAY(&ah
->iniBank0
, ar5416Bank0_9100
,
748 ARRAY_SIZE(ar5416Bank0_9100
), 2);
749 INIT_INI_ARRAY(&ah
->iniBB_RfGain
, ar5416BB_RfGain_9100
,
750 ARRAY_SIZE(ar5416BB_RfGain_9100
), 3);
751 INIT_INI_ARRAY(&ah
->iniBank1
, ar5416Bank1_9100
,
752 ARRAY_SIZE(ar5416Bank1_9100
), 2);
753 INIT_INI_ARRAY(&ah
->iniBank2
, ar5416Bank2_9100
,
754 ARRAY_SIZE(ar5416Bank2_9100
), 2);
755 INIT_INI_ARRAY(&ah
->iniBank3
, ar5416Bank3_9100
,
756 ARRAY_SIZE(ar5416Bank3_9100
), 3);
757 INIT_INI_ARRAY(&ah
->iniBank6
, ar5416Bank6_9100
,
758 ARRAY_SIZE(ar5416Bank6_9100
), 3);
759 INIT_INI_ARRAY(&ah
->iniBank6TPC
, ar5416Bank6TPC_9100
,
760 ARRAY_SIZE(ar5416Bank6TPC_9100
), 3);
761 INIT_INI_ARRAY(&ah
->iniBank7
, ar5416Bank7_9100
,
762 ARRAY_SIZE(ar5416Bank7_9100
), 2);
763 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac_9100
,
764 ARRAY_SIZE(ar5416Addac_9100
), 2);
766 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes
,
767 ARRAY_SIZE(ar5416Modes
), 6);
768 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common
,
769 ARRAY_SIZE(ar5416Common
), 2);
770 INIT_INI_ARRAY(&ah
->iniBank0
, ar5416Bank0
,
771 ARRAY_SIZE(ar5416Bank0
), 2);
772 INIT_INI_ARRAY(&ah
->iniBB_RfGain
, ar5416BB_RfGain
,
773 ARRAY_SIZE(ar5416BB_RfGain
), 3);
774 INIT_INI_ARRAY(&ah
->iniBank1
, ar5416Bank1
,
775 ARRAY_SIZE(ar5416Bank1
), 2);
776 INIT_INI_ARRAY(&ah
->iniBank2
, ar5416Bank2
,
777 ARRAY_SIZE(ar5416Bank2
), 2);
778 INIT_INI_ARRAY(&ah
->iniBank3
, ar5416Bank3
,
779 ARRAY_SIZE(ar5416Bank3
), 3);
780 INIT_INI_ARRAY(&ah
->iniBank6
, ar5416Bank6
,
781 ARRAY_SIZE(ar5416Bank6
), 3);
782 INIT_INI_ARRAY(&ah
->iniBank6TPC
, ar5416Bank6TPC
,
783 ARRAY_SIZE(ar5416Bank6TPC
), 3);
784 INIT_INI_ARRAY(&ah
->iniBank7
, ar5416Bank7
,
785 ARRAY_SIZE(ar5416Bank7
), 2);
786 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac
,
787 ARRAY_SIZE(ar5416Addac
), 2);
791 static void ath9k_hw_init_mode_gain_regs(struct ath_hw
*ah
)
793 if (AR_SREV_9287_11_OR_LATER(ah
))
794 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
795 ar9287Modes_rx_gain_9287_1_1
,
796 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1
), 6);
797 else if (AR_SREV_9287_10(ah
))
798 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
799 ar9287Modes_rx_gain_9287_1_0
,
800 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_0
), 6);
801 else if (AR_SREV_9280_20(ah
))
802 ath9k_hw_init_rxgain_ini(ah
);
804 if (AR_SREV_9287_11_OR_LATER(ah
)) {
805 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
806 ar9287Modes_tx_gain_9287_1_1
,
807 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1
), 6);
808 } else if (AR_SREV_9287_10(ah
)) {
809 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
810 ar9287Modes_tx_gain_9287_1_0
,
811 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_0
), 6);
812 } else if (AR_SREV_9280_20(ah
)) {
813 ath9k_hw_init_txgain_ini(ah
);
814 } else if (AR_SREV_9285_12_OR_LATER(ah
)) {
815 u32 txgain_type
= ah
->eep_ops
->get_eeprom(ah
, EEP_TXGAIN_TYPE
);
818 if (txgain_type
== AR5416_EEP_TXGAIN_HIGH_POWER
) {
819 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
820 ar9285Modes_high_power_tx_gain_9285_1_2
,
821 ARRAY_SIZE(ar9285Modes_high_power_tx_gain_9285_1_2
), 6);
823 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
824 ar9285Modes_original_tx_gain_9285_1_2
,
825 ARRAY_SIZE(ar9285Modes_original_tx_gain_9285_1_2
), 6);
831 static void ath9k_hw_init_eeprom_fix(struct ath_hw
*ah
)
835 if (ah
->hw_version
.devid
== AR9280_DEVID_PCI
) {
838 for (i
= 0; i
< ah
->iniModes
.ia_rows
; i
++) {
839 u32 reg
= INI_RA(&ah
->iniModes
, i
, 0);
841 for (j
= 1; j
< ah
->iniModes
.ia_columns
; j
++) {
842 u32 val
= INI_RA(&ah
->iniModes
, i
, j
);
844 INI_RA(&ah
->iniModes
, i
, j
) =
845 ath9k_hw_ini_fixup(ah
,
853 int ath9k_hw_init(struct ath_hw
*ah
)
855 struct ath_common
*common
= ath9k_hw_common(ah
);
858 if (!ath9k_hw_devid_supported(ah
->hw_version
.devid
)) {
859 ath_print(common
, ATH_DBG_FATAL
,
860 "Unsupported device ID: 0x%0x\n",
861 ah
->hw_version
.devid
);
865 ath9k_hw_init_defaults(ah
);
866 ath9k_hw_init_config(ah
);
868 if (!ath9k_hw_set_reset_reg(ah
, ATH9K_RESET_POWER_ON
)) {
869 ath_print(common
, ATH_DBG_FATAL
,
870 "Couldn't reset chip\n");
874 if (!ath9k_hw_setpower(ah
, ATH9K_PM_AWAKE
)) {
875 ath_print(common
, ATH_DBG_FATAL
, "Couldn't wakeup chip\n");
879 if (ah
->config
.serialize_regmode
== SER_REG_MODE_AUTO
) {
880 if (ah
->hw_version
.macVersion
== AR_SREV_VERSION_5416_PCI
||
881 (AR_SREV_9280(ah
) && !ah
->is_pciexpress
)) {
882 ah
->config
.serialize_regmode
=
885 ah
->config
.serialize_regmode
=
890 ath_print(common
, ATH_DBG_RESET
, "serialize_regmode is %d\n",
891 ah
->config
.serialize_regmode
);
893 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
))
894 ah
->config
.max_txtrig_level
= MAX_TX_FIFO_THRESHOLD
>> 1;
896 ah
->config
.max_txtrig_level
= MAX_TX_FIFO_THRESHOLD
;
898 if (!ath9k_hw_macversion_supported(ah
->hw_version
.macVersion
)) {
899 ath_print(common
, ATH_DBG_FATAL
,
900 "Mac Chip Rev 0x%02x.%x is not supported by "
901 "this driver\n", ah
->hw_version
.macVersion
,
902 ah
->hw_version
.macRev
);
906 if (AR_SREV_9100(ah
)) {
907 ah
->iq_caldata
.calData
= &iq_cal_multi_sample
;
908 ah
->supp_cals
= IQ_MISMATCH_CAL
;
909 ah
->is_pciexpress
= false;
912 if (AR_SREV_9271(ah
))
913 ah
->is_pciexpress
= false;
915 ah
->hw_version
.phyRev
= REG_READ(ah
, AR_PHY_CHIP_ID
);
917 ath9k_hw_init_cal_settings(ah
);
919 ah
->ani_function
= ATH9K_ANI_ALL
;
920 if (AR_SREV_9280_10_OR_LATER(ah
)) {
921 ah
->ani_function
&= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL
;
922 ah
->ath9k_hw_rf_set_freq
= &ath9k_hw_ar9280_set_channel
;
923 ah
->ath9k_hw_spur_mitigate_freq
= &ath9k_hw_9280_spur_mitigate
;
925 ah
->ath9k_hw_rf_set_freq
= &ath9k_hw_set_channel
;
926 ah
->ath9k_hw_spur_mitigate_freq
= &ath9k_hw_spur_mitigate
;
929 ath9k_hw_init_mode_regs(ah
);
931 if (ah
->is_pciexpress
)
932 ath9k_hw_configpcipowersave(ah
, 0, 0);
934 ath9k_hw_disablepcie(ah
);
936 /* Support for Japan ch.14 (2484) spread */
937 if (AR_SREV_9287_11_OR_LATER(ah
)) {
938 INIT_INI_ARRAY(&ah
->iniCckfirNormal
,
939 ar9287Common_normal_cck_fir_coeff_92871_1
,
940 ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_92871_1
), 2);
941 INIT_INI_ARRAY(&ah
->iniCckfirJapan2484
,
942 ar9287Common_japan_2484_cck_fir_coeff_92871_1
,
943 ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_92871_1
), 2);
946 r
= ath9k_hw_post_init(ah
);
950 ath9k_hw_init_mode_gain_regs(ah
);
951 r
= ath9k_hw_fill_cap_info(ah
);
955 ath9k_hw_init_eeprom_fix(ah
);
957 r
= ath9k_hw_init_macaddr(ah
);
959 ath_print(common
, ATH_DBG_FATAL
,
960 "Failed to initialize MAC address\n");
964 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
))
965 ah
->tx_trig_level
= (AR_FTRIG_256B
>> AR_FTRIG_S
);
967 ah
->tx_trig_level
= (AR_FTRIG_512B
>> AR_FTRIG_S
);
969 ath9k_init_nfcal_hist_buffer(ah
);
971 common
->state
= ATH_HW_INITIALIZED
;
976 static void ath9k_hw_init_bb(struct ath_hw
*ah
,
977 struct ath9k_channel
*chan
)
981 synthDelay
= REG_READ(ah
, AR_PHY_RX_DELAY
) & AR_PHY_RX_DELAY_DELAY
;
983 synthDelay
= (4 * synthDelay
) / 22;
987 REG_WRITE(ah
, AR_PHY_ACTIVE
, AR_PHY_ACTIVE_EN
);
989 udelay(synthDelay
+ BASE_ACTIVATE_DELAY
);
992 static void ath9k_hw_init_qos(struct ath_hw
*ah
)
994 REG_WRITE(ah
, AR_MIC_QOS_CONTROL
, 0x100aa);
995 REG_WRITE(ah
, AR_MIC_QOS_SELECT
, 0x3210);
997 REG_WRITE(ah
, AR_QOS_NO_ACK
,
998 SM(2, AR_QOS_NO_ACK_TWO_BIT
) |
999 SM(5, AR_QOS_NO_ACK_BIT_OFF
) |
1000 SM(0, AR_QOS_NO_ACK_BYTE_OFF
));
1002 REG_WRITE(ah
, AR_TXOP_X
, AR_TXOP_X_VAL
);
1003 REG_WRITE(ah
, AR_TXOP_0_3
, 0xFFFFFFFF);
1004 REG_WRITE(ah
, AR_TXOP_4_7
, 0xFFFFFFFF);
1005 REG_WRITE(ah
, AR_TXOP_8_11
, 0xFFFFFFFF);
1006 REG_WRITE(ah
, AR_TXOP_12_15
, 0xFFFFFFFF);
1009 static void ath9k_hw_init_pll(struct ath_hw
*ah
,
1010 struct ath9k_channel
*chan
)
1014 if (AR_SREV_9100(ah
)) {
1015 if (chan
&& IS_CHAN_5GHZ(chan
))
1020 if (AR_SREV_9280_10_OR_LATER(ah
)) {
1021 pll
= SM(0x5, AR_RTC_9160_PLL_REFDIV
);
1023 if (chan
&& IS_CHAN_HALF_RATE(chan
))
1024 pll
|= SM(0x1, AR_RTC_9160_PLL_CLKSEL
);
1025 else if (chan
&& IS_CHAN_QUARTER_RATE(chan
))
1026 pll
|= SM(0x2, AR_RTC_9160_PLL_CLKSEL
);
1028 if (chan
&& IS_CHAN_5GHZ(chan
)) {
1029 pll
|= SM(0x28, AR_RTC_9160_PLL_DIV
);
1032 if (AR_SREV_9280_20(ah
)) {
1033 if (((chan
->channel
% 20) == 0)
1034 || ((chan
->channel
% 10) == 0))
1040 pll
|= SM(0x2c, AR_RTC_9160_PLL_DIV
);
1043 } else if (AR_SREV_9160_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(0x50, AR_RTC_9160_PLL_DIV
);
1055 pll
|= SM(0x58, AR_RTC_9160_PLL_DIV
);
1057 pll
= AR_RTC_PLL_REFDIV_5
| AR_RTC_PLL_DIV2
;
1059 if (chan
&& IS_CHAN_HALF_RATE(chan
))
1060 pll
|= SM(0x1, AR_RTC_PLL_CLKSEL
);
1061 else if (chan
&& IS_CHAN_QUARTER_RATE(chan
))
1062 pll
|= SM(0x2, AR_RTC_PLL_CLKSEL
);
1064 if (chan
&& IS_CHAN_5GHZ(chan
))
1065 pll
|= SM(0xa, AR_RTC_PLL_DIV
);
1067 pll
|= SM(0xb, AR_RTC_PLL_DIV
);
1070 REG_WRITE(ah
, AR_RTC_PLL_CONTROL
, pll
);
1072 /* Switch the core clock for ar9271 to 117Mhz */
1073 if (AR_SREV_9271(ah
)) {
1075 REG_WRITE(ah
, 0x50040, 0x304);
1078 udelay(RTC_PLL_SETTLE_DELAY
);
1080 REG_WRITE(ah
, AR_RTC_SLEEP_CLK
, AR_RTC_FORCE_DERIVED_CLK
);
1083 static void ath9k_hw_init_chain_masks(struct ath_hw
*ah
)
1085 int rx_chainmask
, tx_chainmask
;
1087 rx_chainmask
= ah
->rxchainmask
;
1088 tx_chainmask
= ah
->txchainmask
;
1090 switch (rx_chainmask
) {
1092 REG_SET_BIT(ah
, AR_PHY_ANALOG_SWAP
,
1093 AR_PHY_SWAP_ALT_CHAIN
);
1095 if (ah
->hw_version
.macVersion
== AR_SREV_REVISION_5416_10
) {
1096 REG_WRITE(ah
, AR_PHY_RX_CHAINMASK
, 0x7);
1097 REG_WRITE(ah
, AR_PHY_CAL_CHAINMASK
, 0x7);
1103 REG_WRITE(ah
, AR_PHY_RX_CHAINMASK
, rx_chainmask
);
1104 REG_WRITE(ah
, AR_PHY_CAL_CHAINMASK
, rx_chainmask
);
1110 REG_WRITE(ah
, AR_SELFGEN_MASK
, tx_chainmask
);
1111 if (tx_chainmask
== 0x5) {
1112 REG_SET_BIT(ah
, AR_PHY_ANALOG_SWAP
,
1113 AR_PHY_SWAP_ALT_CHAIN
);
1115 if (AR_SREV_9100(ah
))
1116 REG_WRITE(ah
, AR_PHY_ANALOG_SWAP
,
1117 REG_READ(ah
, AR_PHY_ANALOG_SWAP
) | 0x00000001);
1120 static void ath9k_hw_init_interrupt_masks(struct ath_hw
*ah
,
1121 enum nl80211_iftype opmode
)
1123 ah
->mask_reg
= AR_IMR_TXERR
|
1129 if (ah
->config
.rx_intr_mitigation
)
1130 ah
->mask_reg
|= AR_IMR_RXINTM
| AR_IMR_RXMINTR
;
1132 ah
->mask_reg
|= AR_IMR_RXOK
;
1134 ah
->mask_reg
|= AR_IMR_TXOK
;
1136 if (opmode
== NL80211_IFTYPE_AP
)
1137 ah
->mask_reg
|= AR_IMR_MIB
;
1139 REG_WRITE(ah
, AR_IMR
, ah
->mask_reg
);
1140 ah
->imrs2_reg
|= AR_IMR_S2_GTT
;
1141 REG_WRITE(ah
, AR_IMR_S2
, ah
->imrs2_reg
);
1143 if (!AR_SREV_9100(ah
)) {
1144 REG_WRITE(ah
, AR_INTR_SYNC_CAUSE
, 0xFFFFFFFF);
1145 REG_WRITE(ah
, AR_INTR_SYNC_ENABLE
, AR_INTR_SYNC_DEFAULT
);
1146 REG_WRITE(ah
, AR_INTR_SYNC_MASK
, 0);
1150 static void ath9k_hw_setslottime(struct ath_hw
*ah
, u32 us
)
1152 u32 val
= ath9k_hw_mac_to_clks(ah
, us
);
1153 val
= min(val
, (u32
) 0xFFFF);
1154 REG_WRITE(ah
, AR_D_GBL_IFS_SLOT
, val
);
1157 static void ath9k_hw_set_ack_timeout(struct ath_hw
*ah
, u32 us
)
1159 u32 val
= ath9k_hw_mac_to_clks(ah
, us
);
1160 val
= min(val
, (u32
) MS(0xFFFFFFFF, AR_TIME_OUT_ACK
));
1161 REG_RMW_FIELD(ah
, AR_TIME_OUT
, AR_TIME_OUT_ACK
, val
);
1164 static void ath9k_hw_set_cts_timeout(struct ath_hw
*ah
, u32 us
)
1166 u32 val
= ath9k_hw_mac_to_clks(ah
, us
);
1167 val
= min(val
, (u32
) MS(0xFFFFFFFF, AR_TIME_OUT_CTS
));
1168 REG_RMW_FIELD(ah
, AR_TIME_OUT
, AR_TIME_OUT_CTS
, val
);
1171 static bool ath9k_hw_set_global_txtimeout(struct ath_hw
*ah
, u32 tu
)
1174 ath_print(ath9k_hw_common(ah
), ATH_DBG_XMIT
,
1175 "bad global tx timeout %u\n", tu
);
1176 ah
->globaltxtimeout
= (u32
) -1;
1179 REG_RMW_FIELD(ah
, AR_GTXTO
, AR_GTXTO_TIMEOUT_LIMIT
, tu
);
1180 ah
->globaltxtimeout
= tu
;
1185 void ath9k_hw_init_global_settings(struct ath_hw
*ah
)
1187 struct ieee80211_conf
*conf
= &ath9k_hw_common(ah
)->hw
->conf
;
1192 ath_print(ath9k_hw_common(ah
), ATH_DBG_RESET
, "ah->misc_mode 0x%x\n",
1195 if (ah
->misc_mode
!= 0)
1196 REG_WRITE(ah
, AR_PCU_MISC
,
1197 REG_READ(ah
, AR_PCU_MISC
) | ah
->misc_mode
);
1199 if (conf
->channel
&& conf
->channel
->band
== IEEE80211_BAND_5GHZ
)
1204 /* As defined by IEEE 802.11-2007 17.3.8.6 */
1205 slottime
= ah
->slottime
+ 3 * ah
->coverage_class
;
1206 acktimeout
= slottime
+ sifstime
;
1209 * Workaround for early ACK timeouts, add an offset to match the
1210 * initval's 64us ack timeout value.
1211 * This was initially only meant to work around an issue with delayed
1212 * BA frames in some implementations, but it has been found to fix ACK
1213 * timeout issues in other cases as well.
1215 if (conf
->channel
&& conf
->channel
->band
== IEEE80211_BAND_2GHZ
)
1216 acktimeout
+= 64 - sifstime
- ah
->slottime
;
1218 ath9k_hw_setslottime(ah
, slottime
);
1219 ath9k_hw_set_ack_timeout(ah
, acktimeout
);
1220 ath9k_hw_set_cts_timeout(ah
, acktimeout
);
1221 if (ah
->globaltxtimeout
!= (u32
) -1)
1222 ath9k_hw_set_global_txtimeout(ah
, ah
->globaltxtimeout
);
1224 EXPORT_SYMBOL(ath9k_hw_init_global_settings
);
1226 void ath9k_hw_deinit(struct ath_hw
*ah
)
1228 struct ath_common
*common
= ath9k_hw_common(ah
);
1230 if (common
->state
< ATH_HW_INITIALIZED
)
1233 if (!AR_SREV_9100(ah
))
1234 ath9k_hw_ani_disable(ah
);
1236 ath9k_hw_setpower(ah
, ATH9K_PM_FULL_SLEEP
);
1239 if (!AR_SREV_9280_10_OR_LATER(ah
))
1240 ath9k_hw_rf_free_ext_banks(ah
);
1242 EXPORT_SYMBOL(ath9k_hw_deinit
);
1248 static void ath9k_hw_override_ini(struct ath_hw
*ah
,
1249 struct ath9k_channel
*chan
)
1254 * Set the RX_ABORT and RX_DIS and clear if off only after
1255 * RXE is set for MAC. This prevents frames with corrupted
1256 * descriptor status.
1258 REG_SET_BIT(ah
, AR_DIAG_SW
, (AR_DIAG_RX_DIS
| AR_DIAG_RX_ABORT
));
1260 if (AR_SREV_9280_10_OR_LATER(ah
)) {
1261 val
= REG_READ(ah
, AR_PCU_MISC_MODE2
);
1263 if (!AR_SREV_9271(ah
))
1264 val
&= ~AR_PCU_MISC_MODE2_HWWAR1
;
1266 if (AR_SREV_9287_10_OR_LATER(ah
))
1267 val
= val
& (~AR_PCU_MISC_MODE2_HWWAR2
);
1269 REG_WRITE(ah
, AR_PCU_MISC_MODE2
, val
);
1272 if (!AR_SREV_5416_20_OR_LATER(ah
) ||
1273 AR_SREV_9280_10_OR_LATER(ah
))
1276 * Disable BB clock gating
1277 * Necessary to avoid issues on AR5416 2.0
1279 REG_WRITE(ah
, 0x9800 + (651 << 2), 0x11);
1282 * Disable RIFS search on some chips to avoid baseband
1285 if (AR_SREV_9100(ah
) || AR_SREV_9160(ah
)) {
1286 val
= REG_READ(ah
, AR_PHY_HEAVY_CLIP_FACTOR_RIFS
);
1287 val
&= ~AR_PHY_RIFS_INIT_DELAY
;
1288 REG_WRITE(ah
, AR_PHY_HEAVY_CLIP_FACTOR_RIFS
, val
);
1292 static u32
ath9k_hw_def_ini_fixup(struct ath_hw
*ah
,
1293 struct ar5416_eeprom_def
*pEepData
,
1296 struct base_eep_header
*pBase
= &(pEepData
->baseEepHeader
);
1297 struct ath_common
*common
= ath9k_hw_common(ah
);
1299 switch (ah
->hw_version
.devid
) {
1300 case AR9280_DEVID_PCI
:
1301 if (reg
== 0x7894) {
1302 ath_print(common
, ATH_DBG_EEPROM
,
1303 "ini VAL: %x EEPROM: %x\n", value
,
1304 (pBase
->version
& 0xff));
1306 if ((pBase
->version
& 0xff) > 0x0a) {
1307 ath_print(common
, ATH_DBG_EEPROM
,
1310 value
&= ~AR_AN_TOP2_PWDCLKIND
;
1311 value
|= AR_AN_TOP2_PWDCLKIND
&
1312 (pBase
->pwdclkind
<< AR_AN_TOP2_PWDCLKIND_S
);
1314 ath_print(common
, ATH_DBG_EEPROM
,
1315 "PWDCLKIND Earlier Rev\n");
1318 ath_print(common
, ATH_DBG_EEPROM
,
1319 "final ini VAL: %x\n", value
);
1327 static u32
ath9k_hw_ini_fixup(struct ath_hw
*ah
,
1328 struct ar5416_eeprom_def
*pEepData
,
1331 if (ah
->eep_map
== EEP_MAP_4KBITS
)
1334 return ath9k_hw_def_ini_fixup(ah
, pEepData
, reg
, value
);
1337 static void ath9k_olc_init(struct ath_hw
*ah
)
1341 if (OLC_FOR_AR9287_10_LATER
) {
1342 REG_SET_BIT(ah
, AR_PHY_TX_PWRCTRL9
,
1343 AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL
);
1344 ath9k_hw_analog_shift_rmw(ah
, AR9287_AN_TXPC0
,
1345 AR9287_AN_TXPC0_TXPCMODE
,
1346 AR9287_AN_TXPC0_TXPCMODE_S
,
1347 AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE
);
1350 for (i
= 0; i
< AR9280_TX_GAIN_TABLE_SIZE
; i
++)
1351 ah
->originalGain
[i
] =
1352 MS(REG_READ(ah
, AR_PHY_TX_GAIN_TBL1
+ i
* 4),
1358 static u32
ath9k_regd_get_ctl(struct ath_regulatory
*reg
,
1359 struct ath9k_channel
*chan
)
1361 u32 ctl
= ath_regd_get_band_ctl(reg
, chan
->chan
->band
);
1363 if (IS_CHAN_B(chan
))
1365 else if (IS_CHAN_G(chan
))
1373 static int ath9k_hw_process_ini(struct ath_hw
*ah
,
1374 struct ath9k_channel
*chan
)
1376 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
1377 int i
, regWrites
= 0;
1378 struct ieee80211_channel
*channel
= chan
->chan
;
1379 u32 modesIndex
, freqIndex
;
1381 switch (chan
->chanmode
) {
1383 case CHANNEL_A_HT20
:
1387 case CHANNEL_A_HT40PLUS
:
1388 case CHANNEL_A_HT40MINUS
:
1393 case CHANNEL_G_HT20
:
1398 case CHANNEL_G_HT40PLUS
:
1399 case CHANNEL_G_HT40MINUS
:
1408 /* Set correct baseband to analog shift setting to access analog chips */
1409 REG_WRITE(ah
, AR_PHY(0), 0x00000007);
1411 /* Write ADDAC shifts */
1412 REG_WRITE(ah
, AR_PHY_ADC_SERIAL_CTL
, AR_PHY_SEL_EXTERNAL_RADIO
);
1413 ah
->eep_ops
->set_addac(ah
, chan
);
1415 if (AR_SREV_5416_22_OR_LATER(ah
)) {
1416 REG_WRITE_ARRAY(&ah
->iniAddac
, 1, regWrites
);
1418 struct ar5416IniArray temp
;
1420 sizeof(u32
) * ah
->iniAddac
.ia_rows
*
1421 ah
->iniAddac
.ia_columns
;
1423 /* For AR5416 2.0/2.1 */
1424 memcpy(ah
->addac5416_21
,
1425 ah
->iniAddac
.ia_array
, addacSize
);
1427 /* override CLKDRV value at [row, column] = [31, 1] */
1428 (ah
->addac5416_21
)[31 * ah
->iniAddac
.ia_columns
+ 1] = 0;
1430 temp
.ia_array
= ah
->addac5416_21
;
1431 temp
.ia_columns
= ah
->iniAddac
.ia_columns
;
1432 temp
.ia_rows
= ah
->iniAddac
.ia_rows
;
1433 REG_WRITE_ARRAY(&temp
, 1, regWrites
);
1436 REG_WRITE(ah
, AR_PHY_ADC_SERIAL_CTL
, AR_PHY_SEL_INTERNAL_ADDAC
);
1438 for (i
= 0; i
< ah
->iniModes
.ia_rows
; i
++) {
1439 u32 reg
= INI_RA(&ah
->iniModes
, i
, 0);
1440 u32 val
= INI_RA(&ah
->iniModes
, i
, modesIndex
);
1442 REG_WRITE(ah
, reg
, val
);
1444 if (reg
>= 0x7800 && reg
< 0x78a0
1445 && ah
->config
.analog_shiftreg
) {
1449 DO_DELAY(regWrites
);
1452 if (AR_SREV_9280(ah
) || AR_SREV_9287_10_OR_LATER(ah
))
1453 REG_WRITE_ARRAY(&ah
->iniModesRxGain
, modesIndex
, regWrites
);
1455 if (AR_SREV_9280(ah
) || AR_SREV_9285_12_OR_LATER(ah
) ||
1456 AR_SREV_9287_10_OR_LATER(ah
))
1457 REG_WRITE_ARRAY(&ah
->iniModesTxGain
, modesIndex
, regWrites
);
1459 if (AR_SREV_9271_10(ah
))
1460 REG_WRITE_ARRAY(&ah
->iniModes_9271_1_0_only
,
1461 modesIndex
, regWrites
);
1463 /* Write common array parameters */
1464 for (i
= 0; i
< ah
->iniCommon
.ia_rows
; i
++) {
1465 u32 reg
= INI_RA(&ah
->iniCommon
, i
, 0);
1466 u32 val
= INI_RA(&ah
->iniCommon
, i
, 1);
1468 REG_WRITE(ah
, reg
, val
);
1470 if (reg
>= 0x7800 && reg
< 0x78a0
1471 && ah
->config
.analog_shiftreg
) {
1475 DO_DELAY(regWrites
);
1478 if (AR_SREV_9271(ah
)) {
1479 if (ah
->eep_ops
->get_eeprom(ah
, EEP_TXGAIN_TYPE
) == 1)
1480 REG_WRITE_ARRAY(&ah
->iniModes_high_power_tx_gain_9271
,
1481 modesIndex
, regWrites
);
1483 REG_WRITE_ARRAY(&ah
->iniModes_normal_power_tx_gain_9271
,
1484 modesIndex
, regWrites
);
1487 ath9k_hw_write_regs(ah
, freqIndex
, regWrites
);
1489 if (AR_SREV_9280_20(ah
) && IS_CHAN_A_5MHZ_SPACED(chan
)) {
1490 REG_WRITE_ARRAY(&ah
->iniModesAdditional
, modesIndex
,
1494 ath9k_hw_override_ini(ah
, chan
);
1495 ath9k_hw_set_regs(ah
, chan
);
1496 ath9k_hw_init_chain_masks(ah
);
1498 if (OLC_FOR_AR9280_20_LATER
)
1502 ah
->eep_ops
->set_txpower(ah
, chan
,
1503 ath9k_regd_get_ctl(regulatory
, chan
),
1504 channel
->max_antenna_gain
* 2,
1505 channel
->max_power
* 2,
1506 min((u32
) MAX_RATE_POWER
,
1507 (u32
) regulatory
->power_limit
));
1509 /* Write analog registers */
1510 if (!ath9k_hw_set_rf_regs(ah
, chan
, freqIndex
)) {
1511 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
1512 "ar5416SetRfRegs failed\n");
1519 /****************************************/
1520 /* Reset and Channel Switching Routines */
1521 /****************************************/
1523 static void ath9k_hw_set_rfmode(struct ath_hw
*ah
, struct ath9k_channel
*chan
)
1530 rfMode
|= (IS_CHAN_B(chan
) || IS_CHAN_G(chan
))
1531 ? AR_PHY_MODE_DYNAMIC
: AR_PHY_MODE_OFDM
;
1533 if (!AR_SREV_9280_10_OR_LATER(ah
))
1534 rfMode
|= (IS_CHAN_5GHZ(chan
)) ?
1535 AR_PHY_MODE_RF5GHZ
: AR_PHY_MODE_RF2GHZ
;
1537 if (AR_SREV_9280_20(ah
) && IS_CHAN_A_5MHZ_SPACED(chan
))
1538 rfMode
|= (AR_PHY_MODE_DYNAMIC
| AR_PHY_MODE_DYN_CCK_DISABLE
);
1540 REG_WRITE(ah
, AR_PHY_MODE
, rfMode
);
1543 static void ath9k_hw_mark_phy_inactive(struct ath_hw
*ah
)
1545 REG_WRITE(ah
, AR_PHY_ACTIVE
, AR_PHY_ACTIVE_DIS
);
1548 static inline void ath9k_hw_set_dma(struct ath_hw
*ah
)
1553 * set AHB_MODE not to do cacheline prefetches
1555 regval
= REG_READ(ah
, AR_AHB_MODE
);
1556 REG_WRITE(ah
, AR_AHB_MODE
, regval
| AR_AHB_PREFETCH_RD_EN
);
1559 * let mac dma reads be in 128 byte chunks
1561 regval
= REG_READ(ah
, AR_TXCFG
) & ~AR_TXCFG_DMASZ_MASK
;
1562 REG_WRITE(ah
, AR_TXCFG
, regval
| AR_TXCFG_DMASZ_128B
);
1565 * Restore TX Trigger Level to its pre-reset value.
1566 * The initial value depends on whether aggregation is enabled, and is
1567 * adjusted whenever underruns are detected.
1569 REG_RMW_FIELD(ah
, AR_TXCFG
, AR_FTRIG
, ah
->tx_trig_level
);
1572 * let mac dma writes be in 128 byte chunks
1574 regval
= REG_READ(ah
, AR_RXCFG
) & ~AR_RXCFG_DMASZ_MASK
;
1575 REG_WRITE(ah
, AR_RXCFG
, regval
| AR_RXCFG_DMASZ_128B
);
1578 * Setup receive FIFO threshold to hold off TX activities
1580 REG_WRITE(ah
, AR_RXFIFO_CFG
, 0x200);
1583 * reduce the number of usable entries in PCU TXBUF to avoid
1584 * wrap around issues.
1586 if (AR_SREV_9285(ah
)) {
1587 /* For AR9285 the number of Fifos are reduced to half.
1588 * So set the usable tx buf size also to half to
1589 * avoid data/delimiter underruns
1591 REG_WRITE(ah
, AR_PCU_TXBUF_CTRL
,
1592 AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE
);
1593 } else if (!AR_SREV_9271(ah
)) {
1594 REG_WRITE(ah
, AR_PCU_TXBUF_CTRL
,
1595 AR_PCU_TXBUF_CTRL_USABLE_SIZE
);
1599 static void ath9k_hw_set_operating_mode(struct ath_hw
*ah
, int opmode
)
1603 val
= REG_READ(ah
, AR_STA_ID1
);
1604 val
&= ~(AR_STA_ID1_STA_AP
| AR_STA_ID1_ADHOC
);
1606 case NL80211_IFTYPE_AP
:
1607 REG_WRITE(ah
, AR_STA_ID1
, val
| AR_STA_ID1_STA_AP
1608 | AR_STA_ID1_KSRCH_MODE
);
1609 REG_CLR_BIT(ah
, AR_CFG
, AR_CFG_AP_ADHOC_INDICATION
);
1611 case NL80211_IFTYPE_ADHOC
:
1612 case NL80211_IFTYPE_MESH_POINT
:
1613 REG_WRITE(ah
, AR_STA_ID1
, val
| AR_STA_ID1_ADHOC
1614 | AR_STA_ID1_KSRCH_MODE
);
1615 REG_SET_BIT(ah
, AR_CFG
, AR_CFG_AP_ADHOC_INDICATION
);
1617 case NL80211_IFTYPE_STATION
:
1618 case NL80211_IFTYPE_MONITOR
:
1619 REG_WRITE(ah
, AR_STA_ID1
, val
| AR_STA_ID1_KSRCH_MODE
);
1624 static inline void ath9k_hw_get_delta_slope_vals(struct ath_hw
*ah
,
1629 u32 coef_exp
, coef_man
;
1631 for (coef_exp
= 31; coef_exp
> 0; coef_exp
--)
1632 if ((coef_scaled
>> coef_exp
) & 0x1)
1635 coef_exp
= 14 - (coef_exp
- COEF_SCALE_S
);
1637 coef_man
= coef_scaled
+ (1 << (COEF_SCALE_S
- coef_exp
- 1));
1639 *coef_mantissa
= coef_man
>> (COEF_SCALE_S
- coef_exp
);
1640 *coef_exponent
= coef_exp
- 16;
1643 static void ath9k_hw_set_delta_slope(struct ath_hw
*ah
,
1644 struct ath9k_channel
*chan
)
1646 u32 coef_scaled
, ds_coef_exp
, ds_coef_man
;
1647 u32 clockMhzScaled
= 0x64000000;
1648 struct chan_centers centers
;
1650 if (IS_CHAN_HALF_RATE(chan
))
1651 clockMhzScaled
= clockMhzScaled
>> 1;
1652 else if (IS_CHAN_QUARTER_RATE(chan
))
1653 clockMhzScaled
= clockMhzScaled
>> 2;
1655 ath9k_hw_get_channel_centers(ah
, chan
, ¢ers
);
1656 coef_scaled
= clockMhzScaled
/ centers
.synth_center
;
1658 ath9k_hw_get_delta_slope_vals(ah
, coef_scaled
, &ds_coef_man
,
1661 REG_RMW_FIELD(ah
, AR_PHY_TIMING3
,
1662 AR_PHY_TIMING3_DSC_MAN
, ds_coef_man
);
1663 REG_RMW_FIELD(ah
, AR_PHY_TIMING3
,
1664 AR_PHY_TIMING3_DSC_EXP
, ds_coef_exp
);
1666 coef_scaled
= (9 * coef_scaled
) / 10;
1668 ath9k_hw_get_delta_slope_vals(ah
, coef_scaled
, &ds_coef_man
,
1671 REG_RMW_FIELD(ah
, AR_PHY_HALFGI
,
1672 AR_PHY_HALFGI_DSC_MAN
, ds_coef_man
);
1673 REG_RMW_FIELD(ah
, AR_PHY_HALFGI
,
1674 AR_PHY_HALFGI_DSC_EXP
, ds_coef_exp
);
1677 static bool ath9k_hw_set_reset(struct ath_hw
*ah
, int type
)
1682 if (AR_SREV_9100(ah
)) {
1683 u32 val
= REG_READ(ah
, AR_RTC_DERIVED_CLK
);
1684 val
&= ~AR_RTC_DERIVED_CLK_PERIOD
;
1685 val
|= SM(1, AR_RTC_DERIVED_CLK_PERIOD
);
1686 REG_WRITE(ah
, AR_RTC_DERIVED_CLK
, val
);
1687 (void)REG_READ(ah
, AR_RTC_DERIVED_CLK
);
1690 REG_WRITE(ah
, AR_RTC_FORCE_WAKE
, AR_RTC_FORCE_WAKE_EN
|
1691 AR_RTC_FORCE_WAKE_ON_INT
);
1693 if (AR_SREV_9100(ah
)) {
1694 rst_flags
= AR_RTC_RC_MAC_WARM
| AR_RTC_RC_MAC_COLD
|
1695 AR_RTC_RC_COLD_RESET
| AR_RTC_RC_WARM_RESET
;
1697 tmpReg
= REG_READ(ah
, AR_INTR_SYNC_CAUSE
);
1699 (AR_INTR_SYNC_LOCAL_TIMEOUT
|
1700 AR_INTR_SYNC_RADM_CPL_TIMEOUT
)) {
1701 REG_WRITE(ah
, AR_INTR_SYNC_ENABLE
, 0);
1702 REG_WRITE(ah
, AR_RC
, AR_RC_AHB
| AR_RC_HOSTIF
);
1704 REG_WRITE(ah
, AR_RC
, AR_RC_AHB
);
1707 rst_flags
= AR_RTC_RC_MAC_WARM
;
1708 if (type
== ATH9K_RESET_COLD
)
1709 rst_flags
|= AR_RTC_RC_MAC_COLD
;
1712 REG_WRITE(ah
, AR_RTC_RC
, rst_flags
);
1715 REG_WRITE(ah
, AR_RTC_RC
, 0);
1716 if (!ath9k_hw_wait(ah
, AR_RTC_RC
, AR_RTC_RC_M
, 0, AH_WAIT_TIMEOUT
)) {
1717 ath_print(ath9k_hw_common(ah
), ATH_DBG_RESET
,
1718 "RTC stuck in MAC reset\n");
1722 if (!AR_SREV_9100(ah
))
1723 REG_WRITE(ah
, AR_RC
, 0);
1725 if (AR_SREV_9100(ah
))
1731 static bool ath9k_hw_set_reset_power_on(struct ath_hw
*ah
)
1733 REG_WRITE(ah
, AR_RTC_FORCE_WAKE
, AR_RTC_FORCE_WAKE_EN
|
1734 AR_RTC_FORCE_WAKE_ON_INT
);
1736 if (!AR_SREV_9100(ah
))
1737 REG_WRITE(ah
, AR_RC
, AR_RC_AHB
);
1739 REG_WRITE(ah
, AR_RTC_RESET
, 0);
1742 if (!AR_SREV_9100(ah
))
1743 REG_WRITE(ah
, AR_RC
, 0);
1745 REG_WRITE(ah
, AR_RTC_RESET
, 1);
1747 if (!ath9k_hw_wait(ah
,
1752 ath_print(ath9k_hw_common(ah
), ATH_DBG_RESET
,
1753 "RTC not waking up\n");
1757 ath9k_hw_read_revisions(ah
);
1759 return ath9k_hw_set_reset(ah
, ATH9K_RESET_WARM
);
1762 static bool ath9k_hw_set_reset_reg(struct ath_hw
*ah
, u32 type
)
1764 REG_WRITE(ah
, AR_RTC_FORCE_WAKE
,
1765 AR_RTC_FORCE_WAKE_EN
| AR_RTC_FORCE_WAKE_ON_INT
);
1768 case ATH9K_RESET_POWER_ON
:
1769 return ath9k_hw_set_reset_power_on(ah
);
1770 case ATH9K_RESET_WARM
:
1771 case ATH9K_RESET_COLD
:
1772 return ath9k_hw_set_reset(ah
, type
);
1778 static void ath9k_hw_set_regs(struct ath_hw
*ah
, struct ath9k_channel
*chan
)
1781 u32 enableDacFifo
= 0;
1783 if (AR_SREV_9285_10_OR_LATER(ah
))
1784 enableDacFifo
= (REG_READ(ah
, AR_PHY_TURBO
) &
1785 AR_PHY_FC_ENABLE_DAC_FIFO
);
1787 phymode
= AR_PHY_FC_HT_EN
| AR_PHY_FC_SHORT_GI_40
1788 | AR_PHY_FC_SINGLE_HT_LTF1
| AR_PHY_FC_WALSH
| enableDacFifo
;
1790 if (IS_CHAN_HT40(chan
)) {
1791 phymode
|= AR_PHY_FC_DYN2040_EN
;
1793 if ((chan
->chanmode
== CHANNEL_A_HT40PLUS
) ||
1794 (chan
->chanmode
== CHANNEL_G_HT40PLUS
))
1795 phymode
|= AR_PHY_FC_DYN2040_PRI_CH
;
1798 REG_WRITE(ah
, AR_PHY_TURBO
, phymode
);
1800 ath9k_hw_set11nmac2040(ah
);
1802 REG_WRITE(ah
, AR_GTXTO
, 25 << AR_GTXTO_TIMEOUT_LIMIT_S
);
1803 REG_WRITE(ah
, AR_CST
, 0xF << AR_CST_TIMEOUT_LIMIT_S
);
1806 static bool ath9k_hw_chip_reset(struct ath_hw
*ah
,
1807 struct ath9k_channel
*chan
)
1809 if (AR_SREV_9280(ah
) && ah
->eep_ops
->get_eeprom(ah
, EEP_OL_PWRCTRL
)) {
1810 if (!ath9k_hw_set_reset_reg(ah
, ATH9K_RESET_POWER_ON
))
1812 } else if (!ath9k_hw_set_reset_reg(ah
, ATH9K_RESET_WARM
))
1815 if (!ath9k_hw_setpower(ah
, ATH9K_PM_AWAKE
))
1818 ah
->chip_fullsleep
= false;
1819 ath9k_hw_init_pll(ah
, chan
);
1820 ath9k_hw_set_rfmode(ah
, chan
);
1825 static bool ath9k_hw_channel_change(struct ath_hw
*ah
,
1826 struct ath9k_channel
*chan
)
1828 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
1829 struct ath_common
*common
= ath9k_hw_common(ah
);
1830 struct ieee80211_channel
*channel
= chan
->chan
;
1831 u32 synthDelay
, qnum
;
1834 for (qnum
= 0; qnum
< AR_NUM_QCU
; qnum
++) {
1835 if (ath9k_hw_numtxpending(ah
, qnum
)) {
1836 ath_print(common
, ATH_DBG_QUEUE
,
1837 "Transmit frames pending on "
1838 "queue %d\n", qnum
);
1843 REG_WRITE(ah
, AR_PHY_RFBUS_REQ
, AR_PHY_RFBUS_REQ_EN
);
1844 if (!ath9k_hw_wait(ah
, AR_PHY_RFBUS_GRANT
, AR_PHY_RFBUS_GRANT_EN
,
1845 AR_PHY_RFBUS_GRANT_EN
, AH_WAIT_TIMEOUT
)) {
1846 ath_print(common
, ATH_DBG_FATAL
,
1847 "Could not kill baseband RX\n");
1851 ath9k_hw_set_regs(ah
, chan
);
1853 r
= ah
->ath9k_hw_rf_set_freq(ah
, chan
);
1855 ath_print(common
, ATH_DBG_FATAL
,
1856 "Failed to set channel\n");
1860 ah
->eep_ops
->set_txpower(ah
, chan
,
1861 ath9k_regd_get_ctl(regulatory
, chan
),
1862 channel
->max_antenna_gain
* 2,
1863 channel
->max_power
* 2,
1864 min((u32
) MAX_RATE_POWER
,
1865 (u32
) regulatory
->power_limit
));
1867 synthDelay
= REG_READ(ah
, AR_PHY_RX_DELAY
) & AR_PHY_RX_DELAY_DELAY
;
1868 if (IS_CHAN_B(chan
))
1869 synthDelay
= (4 * synthDelay
) / 22;
1873 udelay(synthDelay
+ BASE_ACTIVATE_DELAY
);
1875 REG_WRITE(ah
, AR_PHY_RFBUS_REQ
, 0);
1877 if (IS_CHAN_OFDM(chan
) || IS_CHAN_HT(chan
))
1878 ath9k_hw_set_delta_slope(ah
, chan
);
1880 ah
->ath9k_hw_spur_mitigate_freq(ah
, chan
);
1882 if (!chan
->oneTimeCalsDone
)
1883 chan
->oneTimeCalsDone
= true;
1888 static void ath9k_enable_rfkill(struct ath_hw
*ah
)
1890 REG_SET_BIT(ah
, AR_GPIO_INPUT_EN_VAL
,
1891 AR_GPIO_INPUT_EN_VAL_RFSILENT_BB
);
1893 REG_CLR_BIT(ah
, AR_GPIO_INPUT_MUX2
,
1894 AR_GPIO_INPUT_MUX2_RFSILENT
);
1896 ath9k_hw_cfg_gpio_input(ah
, ah
->rfkill_gpio
);
1897 REG_SET_BIT(ah
, AR_PHY_TEST
, RFSILENT_BB
);
1900 int ath9k_hw_reset(struct ath_hw
*ah
, struct ath9k_channel
*chan
,
1901 bool bChannelChange
)
1903 struct ath_common
*common
= ath9k_hw_common(ah
);
1905 struct ath9k_channel
*curchan
= ah
->curchan
;
1909 int i
, rx_chainmask
, r
;
1911 ah
->txchainmask
= common
->tx_chainmask
;
1912 ah
->rxchainmask
= common
->rx_chainmask
;
1914 if (!ath9k_hw_setpower(ah
, ATH9K_PM_AWAKE
))
1917 if (curchan
&& !ah
->chip_fullsleep
)
1918 ath9k_hw_getnf(ah
, curchan
);
1920 if (bChannelChange
&&
1921 (ah
->chip_fullsleep
!= true) &&
1922 (ah
->curchan
!= NULL
) &&
1923 (chan
->channel
!= ah
->curchan
->channel
) &&
1924 ((chan
->channelFlags
& CHANNEL_ALL
) ==
1925 (ah
->curchan
->channelFlags
& CHANNEL_ALL
)) &&
1926 !(AR_SREV_9280(ah
) || IS_CHAN_A_5MHZ_SPACED(chan
) ||
1927 IS_CHAN_A_5MHZ_SPACED(ah
->curchan
))) {
1929 if (ath9k_hw_channel_change(ah
, chan
)) {
1930 ath9k_hw_loadnf(ah
, ah
->curchan
);
1931 ath9k_hw_start_nfcal(ah
);
1936 saveDefAntenna
= REG_READ(ah
, AR_DEF_ANTENNA
);
1937 if (saveDefAntenna
== 0)
1940 macStaId1
= REG_READ(ah
, AR_STA_ID1
) & AR_STA_ID1_BASE_RATE_11B
;
1942 /* For chips on which RTC reset is done, save TSF before it gets cleared */
1943 if (AR_SREV_9280(ah
) && ah
->eep_ops
->get_eeprom(ah
, EEP_OL_PWRCTRL
))
1944 tsf
= ath9k_hw_gettsf64(ah
);
1946 saveLedState
= REG_READ(ah
, AR_CFG_LED
) &
1947 (AR_CFG_LED_ASSOC_CTL
| AR_CFG_LED_MODE_SEL
|
1948 AR_CFG_LED_BLINK_THRESH_SEL
| AR_CFG_LED_BLINK_SLOW
);
1950 ath9k_hw_mark_phy_inactive(ah
);
1952 /* Only required on the first reset */
1953 if (AR_SREV_9271(ah
) && ah
->htc_reset_init
) {
1955 AR9271_RESET_POWER_DOWN_CONTROL
,
1956 AR9271_RADIO_RF_RST
);
1960 if (!ath9k_hw_chip_reset(ah
, chan
)) {
1961 ath_print(common
, ATH_DBG_FATAL
, "Chip reset failed\n");
1965 /* Only required on the first reset */
1966 if (AR_SREV_9271(ah
) && ah
->htc_reset_init
) {
1967 ah
->htc_reset_init
= false;
1969 AR9271_RESET_POWER_DOWN_CONTROL
,
1970 AR9271_GATE_MAC_CTL
);
1975 if (tsf
&& AR_SREV_9280(ah
) && ah
->eep_ops
->get_eeprom(ah
, EEP_OL_PWRCTRL
))
1976 ath9k_hw_settsf64(ah
, tsf
);
1978 if (AR_SREV_9280_10_OR_LATER(ah
))
1979 REG_SET_BIT(ah
, AR_GPIO_INPUT_EN_VAL
, AR_GPIO_JTAG_DISABLE
);
1981 if (AR_SREV_9287_12_OR_LATER(ah
)) {
1982 /* Enable ASYNC FIFO */
1983 REG_SET_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
1984 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL
);
1985 REG_SET_BIT(ah
, AR_PHY_MODE
, AR_PHY_MODE_ASYNCFIFO
);
1986 REG_CLR_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
1987 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET
);
1988 REG_SET_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
1989 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET
);
1991 r
= ath9k_hw_process_ini(ah
, chan
);
1995 /* Setup MFP options for CCMP */
1996 if (AR_SREV_9280_20_OR_LATER(ah
)) {
1997 /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
1998 * frames when constructing CCMP AAD. */
1999 REG_RMW_FIELD(ah
, AR_AES_MUTE_MASK1
, AR_AES_MUTE_MASK1_FC_MGMT
,
2001 ah
->sw_mgmt_crypto
= false;
2002 } else if (AR_SREV_9160_10_OR_LATER(ah
)) {
2003 /* Disable hardware crypto for management frames */
2004 REG_CLR_BIT(ah
, AR_PCU_MISC_MODE2
,
2005 AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE
);
2006 REG_SET_BIT(ah
, AR_PCU_MISC_MODE2
,
2007 AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT
);
2008 ah
->sw_mgmt_crypto
= true;
2010 ah
->sw_mgmt_crypto
= true;
2012 if (IS_CHAN_OFDM(chan
) || IS_CHAN_HT(chan
))
2013 ath9k_hw_set_delta_slope(ah
, chan
);
2015 ah
->ath9k_hw_spur_mitigate_freq(ah
, chan
);
2016 ah
->eep_ops
->set_board_values(ah
, chan
);
2018 REG_WRITE(ah
, AR_STA_ID0
, get_unaligned_le32(common
->macaddr
));
2019 REG_WRITE(ah
, AR_STA_ID1
, get_unaligned_le16(common
->macaddr
+ 4)
2021 | AR_STA_ID1_RTS_USE_DEF
2023 ack_6mb
? AR_STA_ID1_ACKCTS_6MB
: 0)
2024 | ah
->sta_id1_defaults
);
2025 ath9k_hw_set_operating_mode(ah
, ah
->opmode
);
2027 ath_hw_setbssidmask(common
);
2029 REG_WRITE(ah
, AR_DEF_ANTENNA
, saveDefAntenna
);
2031 ath9k_hw_write_associd(ah
);
2033 REG_WRITE(ah
, AR_ISR
, ~0);
2035 REG_WRITE(ah
, AR_RSSI_THR
, INIT_RSSI_THR
);
2037 r
= ah
->ath9k_hw_rf_set_freq(ah
, chan
);
2041 for (i
= 0; i
< AR_NUM_DCU
; i
++)
2042 REG_WRITE(ah
, AR_DQCUMASK(i
), 1 << i
);
2045 for (i
= 0; i
< ah
->caps
.total_queues
; i
++)
2046 ath9k_hw_resettxqueue(ah
, i
);
2048 ath9k_hw_init_interrupt_masks(ah
, ah
->opmode
);
2049 ath9k_hw_init_qos(ah
);
2051 if (ah
->caps
.hw_caps
& ATH9K_HW_CAP_RFSILENT
)
2052 ath9k_enable_rfkill(ah
);
2054 ath9k_hw_init_global_settings(ah
);
2056 if (AR_SREV_9287_12_OR_LATER(ah
)) {
2057 REG_WRITE(ah
, AR_D_GBL_IFS_SIFS
,
2058 AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR
);
2059 REG_WRITE(ah
, AR_D_GBL_IFS_SLOT
,
2060 AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR
);
2061 REG_WRITE(ah
, AR_D_GBL_IFS_EIFS
,
2062 AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR
);
2064 REG_WRITE(ah
, AR_TIME_OUT
, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR
);
2065 REG_WRITE(ah
, AR_USEC
, AR_USEC_ASYNC_FIFO_DUR
);
2067 REG_SET_BIT(ah
, AR_MAC_PCU_LOGIC_ANALYZER
,
2068 AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768
);
2069 REG_RMW_FIELD(ah
, AR_AHB_MODE
, AR_AHB_CUSTOM_BURST_EN
,
2070 AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL
);
2072 if (AR_SREV_9287_12_OR_LATER(ah
)) {
2073 REG_SET_BIT(ah
, AR_PCU_MISC_MODE2
,
2074 AR_PCU_MISC_MODE2_ENABLE_AGGWEP
);
2077 REG_WRITE(ah
, AR_STA_ID1
,
2078 REG_READ(ah
, AR_STA_ID1
) | AR_STA_ID1_PRESERVE_SEQNUM
);
2080 ath9k_hw_set_dma(ah
);
2082 REG_WRITE(ah
, AR_OBS
, 8);
2084 if (ah
->config
.rx_intr_mitigation
) {
2085 REG_RMW_FIELD(ah
, AR_RIMT
, AR_RIMT_LAST
, 500);
2086 REG_RMW_FIELD(ah
, AR_RIMT
, AR_RIMT_FIRST
, 2000);
2089 ath9k_hw_init_bb(ah
, chan
);
2091 if (!ath9k_hw_init_cal(ah
, chan
))
2094 rx_chainmask
= ah
->rxchainmask
;
2095 if ((rx_chainmask
== 0x5) || (rx_chainmask
== 0x3)) {
2096 REG_WRITE(ah
, AR_PHY_RX_CHAINMASK
, rx_chainmask
);
2097 REG_WRITE(ah
, AR_PHY_CAL_CHAINMASK
, rx_chainmask
);
2100 REG_WRITE(ah
, AR_CFG_LED
, saveLedState
| AR_CFG_SCLK_32KHZ
);
2103 * For big endian systems turn on swapping for descriptors
2105 if (AR_SREV_9100(ah
)) {
2107 mask
= REG_READ(ah
, AR_CFG
);
2108 if (mask
& (AR_CFG_SWRB
| AR_CFG_SWTB
| AR_CFG_SWRG
)) {
2109 ath_print(common
, ATH_DBG_RESET
,
2110 "CFG Byte Swap Set 0x%x\n", mask
);
2113 INIT_CONFIG_STATUS
| AR_CFG_SWRB
| AR_CFG_SWTB
;
2114 REG_WRITE(ah
, AR_CFG
, mask
);
2115 ath_print(common
, ATH_DBG_RESET
,
2116 "Setting CFG 0x%x\n", REG_READ(ah
, AR_CFG
));
2119 /* Configure AR9271 target WLAN */
2120 if (AR_SREV_9271(ah
))
2121 REG_WRITE(ah
, AR_CFG
, AR_CFG_SWRB
| AR_CFG_SWTB
);
2124 REG_WRITE(ah
, AR_CFG
, AR_CFG_SWTD
| AR_CFG_SWRD
);
2128 if (ah
->btcoex_hw
.enabled
)
2129 ath9k_hw_btcoex_enable(ah
);
2133 EXPORT_SYMBOL(ath9k_hw_reset
);
2135 /************************/
2136 /* Key Cache Management */
2137 /************************/
2139 bool ath9k_hw_keyreset(struct ath_hw
*ah
, u16 entry
)
2143 if (entry
>= ah
->caps
.keycache_size
) {
2144 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
2145 "keychache entry %u out of range\n", entry
);
2149 keyType
= REG_READ(ah
, AR_KEYTABLE_TYPE(entry
));
2151 REG_WRITE(ah
, AR_KEYTABLE_KEY0(entry
), 0);
2152 REG_WRITE(ah
, AR_KEYTABLE_KEY1(entry
), 0);
2153 REG_WRITE(ah
, AR_KEYTABLE_KEY2(entry
), 0);
2154 REG_WRITE(ah
, AR_KEYTABLE_KEY3(entry
), 0);
2155 REG_WRITE(ah
, AR_KEYTABLE_KEY4(entry
), 0);
2156 REG_WRITE(ah
, AR_KEYTABLE_TYPE(entry
), AR_KEYTABLE_TYPE_CLR
);
2157 REG_WRITE(ah
, AR_KEYTABLE_MAC0(entry
), 0);
2158 REG_WRITE(ah
, AR_KEYTABLE_MAC1(entry
), 0);
2160 if (keyType
== AR_KEYTABLE_TYPE_TKIP
&& ATH9K_IS_MIC_ENABLED(ah
)) {
2161 u16 micentry
= entry
+ 64;
2163 REG_WRITE(ah
, AR_KEYTABLE_KEY0(micentry
), 0);
2164 REG_WRITE(ah
, AR_KEYTABLE_KEY1(micentry
), 0);
2165 REG_WRITE(ah
, AR_KEYTABLE_KEY2(micentry
), 0);
2166 REG_WRITE(ah
, AR_KEYTABLE_KEY3(micentry
), 0);
2172 EXPORT_SYMBOL(ath9k_hw_keyreset
);
2174 bool ath9k_hw_keysetmac(struct ath_hw
*ah
, u16 entry
, const u8
*mac
)
2178 if (entry
>= ah
->caps
.keycache_size
) {
2179 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
2180 "keychache entry %u out of range\n", entry
);
2185 macHi
= (mac
[5] << 8) | mac
[4];
2186 macLo
= (mac
[3] << 24) |
2191 macLo
|= (macHi
& 1) << 31;
2196 REG_WRITE(ah
, AR_KEYTABLE_MAC0(entry
), macLo
);
2197 REG_WRITE(ah
, AR_KEYTABLE_MAC1(entry
), macHi
| AR_KEYTABLE_VALID
);
2201 EXPORT_SYMBOL(ath9k_hw_keysetmac
);
2203 bool ath9k_hw_set_keycache_entry(struct ath_hw
*ah
, u16 entry
,
2204 const struct ath9k_keyval
*k
,
2207 const struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
2208 struct ath_common
*common
= ath9k_hw_common(ah
);
2209 u32 key0
, key1
, key2
, key3
, key4
;
2212 if (entry
>= pCap
->keycache_size
) {
2213 ath_print(common
, ATH_DBG_FATAL
,
2214 "keycache entry %u out of range\n", entry
);
2218 switch (k
->kv_type
) {
2219 case ATH9K_CIPHER_AES_OCB
:
2220 keyType
= AR_KEYTABLE_TYPE_AES
;
2222 case ATH9K_CIPHER_AES_CCM
:
2223 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_CIPHER_AESCCM
)) {
2224 ath_print(common
, ATH_DBG_ANY
,
2225 "AES-CCM not supported by mac rev 0x%x\n",
2226 ah
->hw_version
.macRev
);
2229 keyType
= AR_KEYTABLE_TYPE_CCM
;
2231 case ATH9K_CIPHER_TKIP
:
2232 keyType
= AR_KEYTABLE_TYPE_TKIP
;
2233 if (ATH9K_IS_MIC_ENABLED(ah
)
2234 && entry
+ 64 >= pCap
->keycache_size
) {
2235 ath_print(common
, ATH_DBG_ANY
,
2236 "entry %u inappropriate for TKIP\n", entry
);
2240 case ATH9K_CIPHER_WEP
:
2241 if (k
->kv_len
< WLAN_KEY_LEN_WEP40
) {
2242 ath_print(common
, ATH_DBG_ANY
,
2243 "WEP key length %u too small\n", k
->kv_len
);
2246 if (k
->kv_len
<= WLAN_KEY_LEN_WEP40
)
2247 keyType
= AR_KEYTABLE_TYPE_40
;
2248 else if (k
->kv_len
<= WLAN_KEY_LEN_WEP104
)
2249 keyType
= AR_KEYTABLE_TYPE_104
;
2251 keyType
= AR_KEYTABLE_TYPE_128
;
2253 case ATH9K_CIPHER_CLR
:
2254 keyType
= AR_KEYTABLE_TYPE_CLR
;
2257 ath_print(common
, ATH_DBG_FATAL
,
2258 "cipher %u not supported\n", k
->kv_type
);
2262 key0
= get_unaligned_le32(k
->kv_val
+ 0);
2263 key1
= get_unaligned_le16(k
->kv_val
+ 4);
2264 key2
= get_unaligned_le32(k
->kv_val
+ 6);
2265 key3
= get_unaligned_le16(k
->kv_val
+ 10);
2266 key4
= get_unaligned_le32(k
->kv_val
+ 12);
2267 if (k
->kv_len
<= WLAN_KEY_LEN_WEP104
)
2271 * Note: Key cache registers access special memory area that requires
2272 * two 32-bit writes to actually update the values in the internal
2273 * memory. Consequently, the exact order and pairs used here must be
2277 if (keyType
== AR_KEYTABLE_TYPE_TKIP
&& ATH9K_IS_MIC_ENABLED(ah
)) {
2278 u16 micentry
= entry
+ 64;
2281 * Write inverted key[47:0] first to avoid Michael MIC errors
2282 * on frames that could be sent or received at the same time.
2283 * The correct key will be written in the end once everything
2286 REG_WRITE(ah
, AR_KEYTABLE_KEY0(entry
), ~key0
);
2287 REG_WRITE(ah
, AR_KEYTABLE_KEY1(entry
), ~key1
);
2289 /* Write key[95:48] */
2290 REG_WRITE(ah
, AR_KEYTABLE_KEY2(entry
), key2
);
2291 REG_WRITE(ah
, AR_KEYTABLE_KEY3(entry
), key3
);
2293 /* Write key[127:96] and key type */
2294 REG_WRITE(ah
, AR_KEYTABLE_KEY4(entry
), key4
);
2295 REG_WRITE(ah
, AR_KEYTABLE_TYPE(entry
), keyType
);
2297 /* Write MAC address for the entry */
2298 (void) ath9k_hw_keysetmac(ah
, entry
, mac
);
2300 if (ah
->misc_mode
& AR_PCU_MIC_NEW_LOC_ENA
) {
2302 * TKIP uses two key cache entries:
2303 * Michael MIC TX/RX keys in the same key cache entry
2304 * (idx = main index + 64):
2305 * key0 [31:0] = RX key [31:0]
2306 * key1 [15:0] = TX key [31:16]
2307 * key1 [31:16] = reserved
2308 * key2 [31:0] = RX key [63:32]
2309 * key3 [15:0] = TX key [15:0]
2310 * key3 [31:16] = reserved
2311 * key4 [31:0] = TX key [63:32]
2313 u32 mic0
, mic1
, mic2
, mic3
, mic4
;
2315 mic0
= get_unaligned_le32(k
->kv_mic
+ 0);
2316 mic2
= get_unaligned_le32(k
->kv_mic
+ 4);
2317 mic1
= get_unaligned_le16(k
->kv_txmic
+ 2) & 0xffff;
2318 mic3
= get_unaligned_le16(k
->kv_txmic
+ 0) & 0xffff;
2319 mic4
= get_unaligned_le32(k
->kv_txmic
+ 4);
2321 /* Write RX[31:0] and TX[31:16] */
2322 REG_WRITE(ah
, AR_KEYTABLE_KEY0(micentry
), mic0
);
2323 REG_WRITE(ah
, AR_KEYTABLE_KEY1(micentry
), mic1
);
2325 /* Write RX[63:32] and TX[15:0] */
2326 REG_WRITE(ah
, AR_KEYTABLE_KEY2(micentry
), mic2
);
2327 REG_WRITE(ah
, AR_KEYTABLE_KEY3(micentry
), mic3
);
2329 /* Write TX[63:32] and keyType(reserved) */
2330 REG_WRITE(ah
, AR_KEYTABLE_KEY4(micentry
), mic4
);
2331 REG_WRITE(ah
, AR_KEYTABLE_TYPE(micentry
),
2332 AR_KEYTABLE_TYPE_CLR
);
2336 * TKIP uses four key cache entries (two for group
2338 * Michael MIC TX/RX keys are in different key cache
2339 * entries (idx = main index + 64 for TX and
2340 * main index + 32 + 96 for RX):
2341 * key0 [31:0] = TX/RX MIC key [31:0]
2342 * key1 [31:0] = reserved
2343 * key2 [31:0] = TX/RX MIC key [63:32]
2344 * key3 [31:0] = reserved
2345 * key4 [31:0] = reserved
2347 * Upper layer code will call this function separately
2348 * for TX and RX keys when these registers offsets are
2353 mic0
= get_unaligned_le32(k
->kv_mic
+ 0);
2354 mic2
= get_unaligned_le32(k
->kv_mic
+ 4);
2356 /* Write MIC key[31:0] */
2357 REG_WRITE(ah
, AR_KEYTABLE_KEY0(micentry
), mic0
);
2358 REG_WRITE(ah
, AR_KEYTABLE_KEY1(micentry
), 0);
2360 /* Write MIC key[63:32] */
2361 REG_WRITE(ah
, AR_KEYTABLE_KEY2(micentry
), mic2
);
2362 REG_WRITE(ah
, AR_KEYTABLE_KEY3(micentry
), 0);
2364 /* Write TX[63:32] and keyType(reserved) */
2365 REG_WRITE(ah
, AR_KEYTABLE_KEY4(micentry
), 0);
2366 REG_WRITE(ah
, AR_KEYTABLE_TYPE(micentry
),
2367 AR_KEYTABLE_TYPE_CLR
);
2370 /* MAC address registers are reserved for the MIC entry */
2371 REG_WRITE(ah
, AR_KEYTABLE_MAC0(micentry
), 0);
2372 REG_WRITE(ah
, AR_KEYTABLE_MAC1(micentry
), 0);
2375 * Write the correct (un-inverted) key[47:0] last to enable
2376 * TKIP now that all other registers are set with correct
2379 REG_WRITE(ah
, AR_KEYTABLE_KEY0(entry
), key0
);
2380 REG_WRITE(ah
, AR_KEYTABLE_KEY1(entry
), key1
);
2382 /* Write key[47:0] */
2383 REG_WRITE(ah
, AR_KEYTABLE_KEY0(entry
), key0
);
2384 REG_WRITE(ah
, AR_KEYTABLE_KEY1(entry
), key1
);
2386 /* Write key[95:48] */
2387 REG_WRITE(ah
, AR_KEYTABLE_KEY2(entry
), key2
);
2388 REG_WRITE(ah
, AR_KEYTABLE_KEY3(entry
), key3
);
2390 /* Write key[127:96] and key type */
2391 REG_WRITE(ah
, AR_KEYTABLE_KEY4(entry
), key4
);
2392 REG_WRITE(ah
, AR_KEYTABLE_TYPE(entry
), keyType
);
2394 /* Write MAC address for the entry */
2395 (void) ath9k_hw_keysetmac(ah
, entry
, mac
);
2400 EXPORT_SYMBOL(ath9k_hw_set_keycache_entry
);
2402 bool ath9k_hw_keyisvalid(struct ath_hw
*ah
, u16 entry
)
2404 if (entry
< ah
->caps
.keycache_size
) {
2405 u32 val
= REG_READ(ah
, AR_KEYTABLE_MAC1(entry
));
2406 if (val
& AR_KEYTABLE_VALID
)
2411 EXPORT_SYMBOL(ath9k_hw_keyisvalid
);
2413 /******************************/
2414 /* Power Management (Chipset) */
2415 /******************************/
2417 static void ath9k_set_power_sleep(struct ath_hw
*ah
, int setChip
)
2419 REG_SET_BIT(ah
, AR_STA_ID1
, AR_STA_ID1_PWR_SAV
);
2421 REG_CLR_BIT(ah
, AR_RTC_FORCE_WAKE
,
2422 AR_RTC_FORCE_WAKE_EN
);
2423 if (!AR_SREV_9100(ah
))
2424 REG_WRITE(ah
, AR_RC
, AR_RC_AHB
| AR_RC_HOSTIF
);
2426 if (!AR_SREV_5416(ah
) && !AR_SREV_9271(ah
))
2427 REG_CLR_BIT(ah
, (AR_RTC_RESET
),
2432 static void ath9k_set_power_network_sleep(struct ath_hw
*ah
, int setChip
)
2434 REG_SET_BIT(ah
, AR_STA_ID1
, AR_STA_ID1_PWR_SAV
);
2436 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
2438 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_AUTOSLEEP
)) {
2439 REG_WRITE(ah
, AR_RTC_FORCE_WAKE
,
2440 AR_RTC_FORCE_WAKE_ON_INT
);
2442 REG_CLR_BIT(ah
, AR_RTC_FORCE_WAKE
,
2443 AR_RTC_FORCE_WAKE_EN
);
2448 static bool ath9k_hw_set_power_awake(struct ath_hw
*ah
, int setChip
)
2454 if ((REG_READ(ah
, AR_RTC_STATUS
) &
2455 AR_RTC_STATUS_M
) == AR_RTC_STATUS_SHUTDOWN
) {
2456 if (ath9k_hw_set_reset_reg(ah
,
2457 ATH9K_RESET_POWER_ON
) != true) {
2460 ath9k_hw_init_pll(ah
, NULL
);
2462 if (AR_SREV_9100(ah
))
2463 REG_SET_BIT(ah
, AR_RTC_RESET
,
2466 REG_SET_BIT(ah
, AR_RTC_FORCE_WAKE
,
2467 AR_RTC_FORCE_WAKE_EN
);
2470 for (i
= POWER_UP_TIME
/ 50; i
> 0; i
--) {
2471 val
= REG_READ(ah
, AR_RTC_STATUS
) & AR_RTC_STATUS_M
;
2472 if (val
== AR_RTC_STATUS_ON
)
2475 REG_SET_BIT(ah
, AR_RTC_FORCE_WAKE
,
2476 AR_RTC_FORCE_WAKE_EN
);
2479 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
2480 "Failed to wakeup in %uus\n",
2481 POWER_UP_TIME
/ 20);
2486 REG_CLR_BIT(ah
, AR_STA_ID1
, AR_STA_ID1_PWR_SAV
);
2491 bool ath9k_hw_setpower(struct ath_hw
*ah
, enum ath9k_power_mode mode
)
2493 struct ath_common
*common
= ath9k_hw_common(ah
);
2494 int status
= true, setChip
= true;
2495 static const char *modes
[] = {
2502 if (ah
->power_mode
== mode
)
2505 ath_print(common
, ATH_DBG_RESET
, "%s -> %s\n",
2506 modes
[ah
->power_mode
], modes
[mode
]);
2509 case ATH9K_PM_AWAKE
:
2510 status
= ath9k_hw_set_power_awake(ah
, setChip
);
2512 case ATH9K_PM_FULL_SLEEP
:
2513 ath9k_set_power_sleep(ah
, setChip
);
2514 ah
->chip_fullsleep
= true;
2516 case ATH9K_PM_NETWORK_SLEEP
:
2517 ath9k_set_power_network_sleep(ah
, setChip
);
2520 ath_print(common
, ATH_DBG_FATAL
,
2521 "Unknown power mode %u\n", mode
);
2524 ah
->power_mode
= mode
;
2528 EXPORT_SYMBOL(ath9k_hw_setpower
);
2531 * Helper for ASPM support.
2533 * Disable PLL when in L0s as well as receiver clock when in L1.
2534 * This power saving option must be enabled through the SerDes.
2536 * Programming the SerDes must go through the same 288 bit serial shift
2537 * register as the other analog registers. Hence the 9 writes.
2539 void ath9k_hw_configpcipowersave(struct ath_hw
*ah
, int restore
, int power_off
)
2544 if (ah
->is_pciexpress
!= true)
2547 /* Do not touch SerDes registers */
2548 if (ah
->config
.pcie_powersave_enable
== 2)
2551 /* Nothing to do on restore for 11N */
2553 if (AR_SREV_9280_20_OR_LATER(ah
)) {
2555 * AR9280 2.0 or later chips use SerDes values from the
2556 * initvals.h initialized depending on chipset during
2559 for (i
= 0; i
< ah
->iniPcieSerdes
.ia_rows
; i
++) {
2560 REG_WRITE(ah
, INI_RA(&ah
->iniPcieSerdes
, i
, 0),
2561 INI_RA(&ah
->iniPcieSerdes
, i
, 1));
2563 } else if (AR_SREV_9280(ah
) &&
2564 (ah
->hw_version
.macRev
== AR_SREV_REVISION_9280_10
)) {
2565 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x9248fd00);
2566 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x24924924);
2568 /* RX shut off when elecidle is asserted */
2569 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xa8000019);
2570 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x13160820);
2571 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xe5980560);
2573 /* Shut off CLKREQ active in L1 */
2574 if (ah
->config
.pcie_clock_req
)
2575 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x401deffc);
2577 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x401deffd);
2579 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x1aaabe40);
2580 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xbe105554);
2581 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x00043007);
2583 /* Load the new settings */
2584 REG_WRITE(ah
, AR_PCIE_SERDES2
, 0x00000000);
2587 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x9248fc00);
2588 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x24924924);
2590 /* RX shut off when elecidle is asserted */
2591 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x28000039);
2592 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x53160824);
2593 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xe5980579);
2596 * Ignore ah->ah_config.pcie_clock_req setting for
2599 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x001defff);
2601 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x1aaabe40);
2602 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xbe105554);
2603 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x000e3007);
2605 /* Load the new settings */
2606 REG_WRITE(ah
, AR_PCIE_SERDES2
, 0x00000000);
2611 /* set bit 19 to allow forcing of pcie core into L1 state */
2612 REG_SET_BIT(ah
, AR_PCIE_PM_CTRL
, AR_PCIE_PM_CTRL_ENA
);
2614 /* Several PCIe massages to ensure proper behaviour */
2615 if (ah
->config
.pcie_waen
) {
2616 val
= ah
->config
.pcie_waen
;
2618 val
&= (~AR_WA_D3_L1_DISABLE
);
2620 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
) ||
2622 val
= AR9285_WA_DEFAULT
;
2624 val
&= (~AR_WA_D3_L1_DISABLE
);
2625 } else if (AR_SREV_9280(ah
)) {
2627 * On AR9280 chips bit 22 of 0x4004 needs to be
2628 * set otherwise card may disappear.
2630 val
= AR9280_WA_DEFAULT
;
2632 val
&= (~AR_WA_D3_L1_DISABLE
);
2634 val
= AR_WA_DEFAULT
;
2637 REG_WRITE(ah
, AR_WA
, val
);
2642 * Set PCIe workaround bits
2643 * bit 14 in WA register (disable L1) should only
2644 * be set when device enters D3 and be cleared
2645 * when device comes back to D0.
2647 if (ah
->config
.pcie_waen
) {
2648 if (ah
->config
.pcie_waen
& AR_WA_D3_L1_DISABLE
)
2649 REG_SET_BIT(ah
, AR_WA
, AR_WA_D3_L1_DISABLE
);
2651 if (((AR_SREV_9285(ah
) || AR_SREV_9271(ah
) ||
2652 AR_SREV_9287(ah
)) &&
2653 (AR9285_WA_DEFAULT
& AR_WA_D3_L1_DISABLE
)) ||
2654 (AR_SREV_9280(ah
) &&
2655 (AR9280_WA_DEFAULT
& AR_WA_D3_L1_DISABLE
))) {
2656 REG_SET_BIT(ah
, AR_WA
, AR_WA_D3_L1_DISABLE
);
2661 EXPORT_SYMBOL(ath9k_hw_configpcipowersave
);
2663 /**********************/
2664 /* Interrupt Handling */
2665 /**********************/
2667 bool ath9k_hw_intrpend(struct ath_hw
*ah
)
2671 if (AR_SREV_9100(ah
))
2674 host_isr
= REG_READ(ah
, AR_INTR_ASYNC_CAUSE
);
2675 if ((host_isr
& AR_INTR_MAC_IRQ
) && (host_isr
!= AR_INTR_SPURIOUS
))
2678 host_isr
= REG_READ(ah
, AR_INTR_SYNC_CAUSE
);
2679 if ((host_isr
& AR_INTR_SYNC_DEFAULT
)
2680 && (host_isr
!= AR_INTR_SPURIOUS
))
2685 EXPORT_SYMBOL(ath9k_hw_intrpend
);
2687 bool ath9k_hw_getisr(struct ath_hw
*ah
, enum ath9k_int
*masked
)
2691 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
2693 bool fatal_int
= false;
2694 struct ath_common
*common
= ath9k_hw_common(ah
);
2696 if (!AR_SREV_9100(ah
)) {
2697 if (REG_READ(ah
, AR_INTR_ASYNC_CAUSE
) & AR_INTR_MAC_IRQ
) {
2698 if ((REG_READ(ah
, AR_RTC_STATUS
) & AR_RTC_STATUS_M
)
2699 == AR_RTC_STATUS_ON
) {
2700 isr
= REG_READ(ah
, AR_ISR
);
2704 sync_cause
= REG_READ(ah
, AR_INTR_SYNC_CAUSE
) &
2705 AR_INTR_SYNC_DEFAULT
;
2709 if (!isr
&& !sync_cause
)
2713 isr
= REG_READ(ah
, AR_ISR
);
2717 if (isr
& AR_ISR_BCNMISC
) {
2719 isr2
= REG_READ(ah
, AR_ISR_S2
);
2720 if (isr2
& AR_ISR_S2_TIM
)
2721 mask2
|= ATH9K_INT_TIM
;
2722 if (isr2
& AR_ISR_S2_DTIM
)
2723 mask2
|= ATH9K_INT_DTIM
;
2724 if (isr2
& AR_ISR_S2_DTIMSYNC
)
2725 mask2
|= ATH9K_INT_DTIMSYNC
;
2726 if (isr2
& (AR_ISR_S2_CABEND
))
2727 mask2
|= ATH9K_INT_CABEND
;
2728 if (isr2
& AR_ISR_S2_GTT
)
2729 mask2
|= ATH9K_INT_GTT
;
2730 if (isr2
& AR_ISR_S2_CST
)
2731 mask2
|= ATH9K_INT_CST
;
2732 if (isr2
& AR_ISR_S2_TSFOOR
)
2733 mask2
|= ATH9K_INT_TSFOOR
;
2736 isr
= REG_READ(ah
, AR_ISR_RAC
);
2737 if (isr
== 0xffffffff) {
2742 *masked
= isr
& ATH9K_INT_COMMON
;
2744 if (ah
->config
.rx_intr_mitigation
) {
2745 if (isr
& (AR_ISR_RXMINTR
| AR_ISR_RXINTM
))
2746 *masked
|= ATH9K_INT_RX
;
2749 if (isr
& (AR_ISR_RXOK
| AR_ISR_RXERR
))
2750 *masked
|= ATH9K_INT_RX
;
2752 (AR_ISR_TXOK
| AR_ISR_TXDESC
| AR_ISR_TXERR
|
2756 *masked
|= ATH9K_INT_TX
;
2758 s0_s
= REG_READ(ah
, AR_ISR_S0_S
);
2759 ah
->intr_txqs
|= MS(s0_s
, AR_ISR_S0_QCU_TXOK
);
2760 ah
->intr_txqs
|= MS(s0_s
, AR_ISR_S0_QCU_TXDESC
);
2762 s1_s
= REG_READ(ah
, AR_ISR_S1_S
);
2763 ah
->intr_txqs
|= MS(s1_s
, AR_ISR_S1_QCU_TXERR
);
2764 ah
->intr_txqs
|= MS(s1_s
, AR_ISR_S1_QCU_TXEOL
);
2767 if (isr
& AR_ISR_RXORN
) {
2768 ath_print(common
, ATH_DBG_INTERRUPT
,
2769 "receive FIFO overrun interrupt\n");
2772 if (!AR_SREV_9100(ah
)) {
2773 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_AUTOSLEEP
)) {
2774 u32 isr5
= REG_READ(ah
, AR_ISR_S5_S
);
2775 if (isr5
& AR_ISR_S5_TIM_TIMER
)
2776 *masked
|= ATH9K_INT_TIM_TIMER
;
2783 if (AR_SREV_9100(ah
))
2786 if (isr
& AR_ISR_GENTMR
) {
2789 s5_s
= REG_READ(ah
, AR_ISR_S5_S
);
2790 if (isr
& AR_ISR_GENTMR
) {
2791 ah
->intr_gen_timer_trigger
=
2792 MS(s5_s
, AR_ISR_S5_GENTIMER_TRIG
);
2794 ah
->intr_gen_timer_thresh
=
2795 MS(s5_s
, AR_ISR_S5_GENTIMER_THRESH
);
2797 if (ah
->intr_gen_timer_trigger
)
2798 *masked
|= ATH9K_INT_GENTIMER
;
2806 (AR_INTR_SYNC_HOST1_FATAL
| AR_INTR_SYNC_HOST1_PERR
))
2810 if (sync_cause
& AR_INTR_SYNC_HOST1_FATAL
) {
2811 ath_print(common
, ATH_DBG_ANY
,
2812 "received PCI FATAL interrupt\n");
2814 if (sync_cause
& AR_INTR_SYNC_HOST1_PERR
) {
2815 ath_print(common
, ATH_DBG_ANY
,
2816 "received PCI PERR interrupt\n");
2818 *masked
|= ATH9K_INT_FATAL
;
2820 if (sync_cause
& AR_INTR_SYNC_RADM_CPL_TIMEOUT
) {
2821 ath_print(common
, ATH_DBG_INTERRUPT
,
2822 "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
2823 REG_WRITE(ah
, AR_RC
, AR_RC_HOSTIF
);
2824 REG_WRITE(ah
, AR_RC
, 0);
2825 *masked
|= ATH9K_INT_FATAL
;
2827 if (sync_cause
& AR_INTR_SYNC_LOCAL_TIMEOUT
) {
2828 ath_print(common
, ATH_DBG_INTERRUPT
,
2829 "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
2832 REG_WRITE(ah
, AR_INTR_SYNC_CAUSE_CLR
, sync_cause
);
2833 (void) REG_READ(ah
, AR_INTR_SYNC_CAUSE_CLR
);
2838 EXPORT_SYMBOL(ath9k_hw_getisr
);
2840 enum ath9k_int
ath9k_hw_set_interrupts(struct ath_hw
*ah
, enum ath9k_int ints
)
2842 u32 omask
= ah
->mask_reg
;
2844 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
2845 struct ath_common
*common
= ath9k_hw_common(ah
);
2847 ath_print(common
, ATH_DBG_INTERRUPT
, "0x%x => 0x%x\n", omask
, ints
);
2849 if (omask
& ATH9K_INT_GLOBAL
) {
2850 ath_print(common
, ATH_DBG_INTERRUPT
, "disable IER\n");
2851 REG_WRITE(ah
, AR_IER
, AR_IER_DISABLE
);
2852 (void) REG_READ(ah
, AR_IER
);
2853 if (!AR_SREV_9100(ah
)) {
2854 REG_WRITE(ah
, AR_INTR_ASYNC_ENABLE
, 0);
2855 (void) REG_READ(ah
, AR_INTR_ASYNC_ENABLE
);
2857 REG_WRITE(ah
, AR_INTR_SYNC_ENABLE
, 0);
2858 (void) REG_READ(ah
, AR_INTR_SYNC_ENABLE
);
2862 mask
= ints
& ATH9K_INT_COMMON
;
2865 if (ints
& ATH9K_INT_TX
) {
2866 if (ah
->txok_interrupt_mask
)
2867 mask
|= AR_IMR_TXOK
;
2868 if (ah
->txdesc_interrupt_mask
)
2869 mask
|= AR_IMR_TXDESC
;
2870 if (ah
->txerr_interrupt_mask
)
2871 mask
|= AR_IMR_TXERR
;
2872 if (ah
->txeol_interrupt_mask
)
2873 mask
|= AR_IMR_TXEOL
;
2875 if (ints
& ATH9K_INT_RX
) {
2876 mask
|= AR_IMR_RXERR
;
2877 if (ah
->config
.rx_intr_mitigation
)
2878 mask
|= AR_IMR_RXMINTR
| AR_IMR_RXINTM
;
2880 mask
|= AR_IMR_RXOK
| AR_IMR_RXDESC
;
2881 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_AUTOSLEEP
))
2882 mask
|= AR_IMR_GENTMR
;
2885 if (ints
& (ATH9K_INT_BMISC
)) {
2886 mask
|= AR_IMR_BCNMISC
;
2887 if (ints
& ATH9K_INT_TIM
)
2888 mask2
|= AR_IMR_S2_TIM
;
2889 if (ints
& ATH9K_INT_DTIM
)
2890 mask2
|= AR_IMR_S2_DTIM
;
2891 if (ints
& ATH9K_INT_DTIMSYNC
)
2892 mask2
|= AR_IMR_S2_DTIMSYNC
;
2893 if (ints
& ATH9K_INT_CABEND
)
2894 mask2
|= AR_IMR_S2_CABEND
;
2895 if (ints
& ATH9K_INT_TSFOOR
)
2896 mask2
|= AR_IMR_S2_TSFOOR
;
2899 if (ints
& (ATH9K_INT_GTT
| ATH9K_INT_CST
)) {
2900 mask
|= AR_IMR_BCNMISC
;
2901 if (ints
& ATH9K_INT_GTT
)
2902 mask2
|= AR_IMR_S2_GTT
;
2903 if (ints
& ATH9K_INT_CST
)
2904 mask2
|= AR_IMR_S2_CST
;
2907 ath_print(common
, ATH_DBG_INTERRUPT
, "new IMR 0x%x\n", mask
);
2908 REG_WRITE(ah
, AR_IMR
, mask
);
2909 ah
->imrs2_reg
&= ~(AR_IMR_S2_TIM
| AR_IMR_S2_DTIM
| AR_IMR_S2_DTIMSYNC
|
2910 AR_IMR_S2_CABEND
| AR_IMR_S2_CABTO
|
2911 AR_IMR_S2_TSFOOR
| AR_IMR_S2_GTT
| AR_IMR_S2_CST
);
2912 ah
->imrs2_reg
|= mask2
;
2913 REG_WRITE(ah
, AR_IMR_S2
, ah
->imrs2_reg
);
2914 ah
->mask_reg
= ints
;
2916 if (!(pCap
->hw_caps
& ATH9K_HW_CAP_AUTOSLEEP
)) {
2917 if (ints
& ATH9K_INT_TIM_TIMER
)
2918 REG_SET_BIT(ah
, AR_IMR_S5
, AR_IMR_S5_TIM_TIMER
);
2920 REG_CLR_BIT(ah
, AR_IMR_S5
, AR_IMR_S5_TIM_TIMER
);
2923 if (ints
& ATH9K_INT_GLOBAL
) {
2924 ath_print(common
, ATH_DBG_INTERRUPT
, "enable IER\n");
2925 REG_WRITE(ah
, AR_IER
, AR_IER_ENABLE
);
2926 if (!AR_SREV_9100(ah
)) {
2927 REG_WRITE(ah
, AR_INTR_ASYNC_ENABLE
,
2929 REG_WRITE(ah
, AR_INTR_ASYNC_MASK
, AR_INTR_MAC_IRQ
);
2932 REG_WRITE(ah
, AR_INTR_SYNC_ENABLE
,
2933 AR_INTR_SYNC_DEFAULT
);
2934 REG_WRITE(ah
, AR_INTR_SYNC_MASK
,
2935 AR_INTR_SYNC_DEFAULT
);
2937 ath_print(common
, ATH_DBG_INTERRUPT
, "AR_IMR 0x%x IER 0x%x\n",
2938 REG_READ(ah
, AR_IMR
), REG_READ(ah
, AR_IER
));
2943 EXPORT_SYMBOL(ath9k_hw_set_interrupts
);
2945 /*******************/
2946 /* Beacon Handling */
2947 /*******************/
2949 void ath9k_hw_beaconinit(struct ath_hw
*ah
, u32 next_beacon
, u32 beacon_period
)
2953 ah
->beacon_interval
= beacon_period
;
2955 switch (ah
->opmode
) {
2956 case NL80211_IFTYPE_STATION
:
2957 case NL80211_IFTYPE_MONITOR
:
2958 REG_WRITE(ah
, AR_NEXT_TBTT_TIMER
, TU_TO_USEC(next_beacon
));
2959 REG_WRITE(ah
, AR_NEXT_DMA_BEACON_ALERT
, 0xffff);
2960 REG_WRITE(ah
, AR_NEXT_SWBA
, 0x7ffff);
2961 flags
|= AR_TBTT_TIMER_EN
;
2963 case NL80211_IFTYPE_ADHOC
:
2964 case NL80211_IFTYPE_MESH_POINT
:
2965 REG_SET_BIT(ah
, AR_TXCFG
,
2966 AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY
);
2967 REG_WRITE(ah
, AR_NEXT_NDP_TIMER
,
2968 TU_TO_USEC(next_beacon
+
2969 (ah
->atim_window
? ah
->
2971 flags
|= AR_NDP_TIMER_EN
;
2972 case NL80211_IFTYPE_AP
:
2973 REG_WRITE(ah
, AR_NEXT_TBTT_TIMER
, TU_TO_USEC(next_beacon
));
2974 REG_WRITE(ah
, AR_NEXT_DMA_BEACON_ALERT
,
2975 TU_TO_USEC(next_beacon
-
2977 dma_beacon_response_time
));
2978 REG_WRITE(ah
, AR_NEXT_SWBA
,
2979 TU_TO_USEC(next_beacon
-
2981 sw_beacon_response_time
));
2983 AR_TBTT_TIMER_EN
| AR_DBA_TIMER_EN
| AR_SWBA_TIMER_EN
;
2986 ath_print(ath9k_hw_common(ah
), ATH_DBG_BEACON
,
2987 "%s: unsupported opmode: %d\n",
2988 __func__
, ah
->opmode
);
2993 REG_WRITE(ah
, AR_BEACON_PERIOD
, TU_TO_USEC(beacon_period
));
2994 REG_WRITE(ah
, AR_DMA_BEACON_PERIOD
, TU_TO_USEC(beacon_period
));
2995 REG_WRITE(ah
, AR_SWBA_PERIOD
, TU_TO_USEC(beacon_period
));
2996 REG_WRITE(ah
, AR_NDP_PERIOD
, TU_TO_USEC(beacon_period
));
2998 beacon_period
&= ~ATH9K_BEACON_ENA
;
2999 if (beacon_period
& ATH9K_BEACON_RESET_TSF
) {
3000 ath9k_hw_reset_tsf(ah
);
3003 REG_SET_BIT(ah
, AR_TIMER_MODE
, flags
);
3005 EXPORT_SYMBOL(ath9k_hw_beaconinit
);
3007 void ath9k_hw_set_sta_beacon_timers(struct ath_hw
*ah
,
3008 const struct ath9k_beacon_state
*bs
)
3010 u32 nextTbtt
, beaconintval
, dtimperiod
, beacontimeout
;
3011 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
3012 struct ath_common
*common
= ath9k_hw_common(ah
);
3014 REG_WRITE(ah
, AR_NEXT_TBTT_TIMER
, TU_TO_USEC(bs
->bs_nexttbtt
));
3016 REG_WRITE(ah
, AR_BEACON_PERIOD
,
3017 TU_TO_USEC(bs
->bs_intval
& ATH9K_BEACON_PERIOD
));
3018 REG_WRITE(ah
, AR_DMA_BEACON_PERIOD
,
3019 TU_TO_USEC(bs
->bs_intval
& ATH9K_BEACON_PERIOD
));
3021 REG_RMW_FIELD(ah
, AR_RSSI_THR
,
3022 AR_RSSI_THR_BM_THR
, bs
->bs_bmissthreshold
);
3024 beaconintval
= bs
->bs_intval
& ATH9K_BEACON_PERIOD
;
3026 if (bs
->bs_sleepduration
> beaconintval
)
3027 beaconintval
= bs
->bs_sleepduration
;
3029 dtimperiod
= bs
->bs_dtimperiod
;
3030 if (bs
->bs_sleepduration
> dtimperiod
)
3031 dtimperiod
= bs
->bs_sleepduration
;
3033 if (beaconintval
== dtimperiod
)
3034 nextTbtt
= bs
->bs_nextdtim
;
3036 nextTbtt
= bs
->bs_nexttbtt
;
3038 ath_print(common
, ATH_DBG_BEACON
, "next DTIM %d\n", bs
->bs_nextdtim
);
3039 ath_print(common
, ATH_DBG_BEACON
, "next beacon %d\n", nextTbtt
);
3040 ath_print(common
, ATH_DBG_BEACON
, "beacon period %d\n", beaconintval
);
3041 ath_print(common
, ATH_DBG_BEACON
, "DTIM period %d\n", dtimperiod
);
3043 REG_WRITE(ah
, AR_NEXT_DTIM
,
3044 TU_TO_USEC(bs
->bs_nextdtim
- SLEEP_SLOP
));
3045 REG_WRITE(ah
, AR_NEXT_TIM
, TU_TO_USEC(nextTbtt
- SLEEP_SLOP
));
3047 REG_WRITE(ah
, AR_SLEEP1
,
3048 SM((CAB_TIMEOUT_VAL
<< 3), AR_SLEEP1_CAB_TIMEOUT
)
3049 | AR_SLEEP1_ASSUME_DTIM
);
3051 if (pCap
->hw_caps
& ATH9K_HW_CAP_AUTOSLEEP
)
3052 beacontimeout
= (BEACON_TIMEOUT_VAL
<< 3);
3054 beacontimeout
= MIN_BEACON_TIMEOUT_VAL
;
3056 REG_WRITE(ah
, AR_SLEEP2
,
3057 SM(beacontimeout
, AR_SLEEP2_BEACON_TIMEOUT
));
3059 REG_WRITE(ah
, AR_TIM_PERIOD
, TU_TO_USEC(beaconintval
));
3060 REG_WRITE(ah
, AR_DTIM_PERIOD
, TU_TO_USEC(dtimperiod
));
3062 REG_SET_BIT(ah
, AR_TIMER_MODE
,
3063 AR_TBTT_TIMER_EN
| AR_TIM_TIMER_EN
|
3066 /* TSF Out of Range Threshold */
3067 REG_WRITE(ah
, AR_TSFOOR_THRESHOLD
, bs
->bs_tsfoor_threshold
);
3069 EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers
);
3071 /*******************/
3072 /* HW Capabilities */
3073 /*******************/
3075 int ath9k_hw_fill_cap_info(struct ath_hw
*ah
)
3077 struct ath9k_hw_capabilities
*pCap
= &ah
->caps
;
3078 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
3079 struct ath_common
*common
= ath9k_hw_common(ah
);
3080 struct ath_btcoex_hw
*btcoex_hw
= &ah
->btcoex_hw
;
3082 u16 capField
= 0, eeval
;
3084 eeval
= ah
->eep_ops
->get_eeprom(ah
, EEP_REG_0
);
3085 regulatory
->current_rd
= eeval
;
3087 eeval
= ah
->eep_ops
->get_eeprom(ah
, EEP_REG_1
);
3088 if (AR_SREV_9285_10_OR_LATER(ah
))
3089 eeval
|= AR9285_RDEXT_DEFAULT
;
3090 regulatory
->current_rd_ext
= eeval
;
3092 capField
= ah
->eep_ops
->get_eeprom(ah
, EEP_OP_CAP
);
3094 if (ah
->opmode
!= NL80211_IFTYPE_AP
&&
3095 ah
->hw_version
.subvendorid
== AR_SUBVENDOR_ID_NEW_A
) {
3096 if (regulatory
->current_rd
== 0x64 ||
3097 regulatory
->current_rd
== 0x65)
3098 regulatory
->current_rd
+= 5;
3099 else if (regulatory
->current_rd
== 0x41)
3100 regulatory
->current_rd
= 0x43;
3101 ath_print(common
, ATH_DBG_REGULATORY
,
3102 "regdomain mapped to 0x%x\n", regulatory
->current_rd
);
3105 eeval
= ah
->eep_ops
->get_eeprom(ah
, EEP_OP_MODE
);
3106 if ((eeval
& (AR5416_OPFLAGS_11G
| AR5416_OPFLAGS_11A
)) == 0) {
3107 ath_print(common
, ATH_DBG_FATAL
,
3108 "no band has been marked as supported in EEPROM.\n");
3112 bitmap_zero(pCap
->wireless_modes
, ATH9K_MODE_MAX
);
3114 if (eeval
& AR5416_OPFLAGS_11A
) {
3115 set_bit(ATH9K_MODE_11A
, pCap
->wireless_modes
);
3116 if (ah
->config
.ht_enable
) {
3117 if (!(eeval
& AR5416_OPFLAGS_N_5G_HT20
))
3118 set_bit(ATH9K_MODE_11NA_HT20
,
3119 pCap
->wireless_modes
);
3120 if (!(eeval
& AR5416_OPFLAGS_N_5G_HT40
)) {
3121 set_bit(ATH9K_MODE_11NA_HT40PLUS
,
3122 pCap
->wireless_modes
);
3123 set_bit(ATH9K_MODE_11NA_HT40MINUS
,
3124 pCap
->wireless_modes
);
3129 if (eeval
& AR5416_OPFLAGS_11G
) {
3130 set_bit(ATH9K_MODE_11G
, pCap
->wireless_modes
);
3131 if (ah
->config
.ht_enable
) {
3132 if (!(eeval
& AR5416_OPFLAGS_N_2G_HT20
))
3133 set_bit(ATH9K_MODE_11NG_HT20
,
3134 pCap
->wireless_modes
);
3135 if (!(eeval
& AR5416_OPFLAGS_N_2G_HT40
)) {
3136 set_bit(ATH9K_MODE_11NG_HT40PLUS
,
3137 pCap
->wireless_modes
);
3138 set_bit(ATH9K_MODE_11NG_HT40MINUS
,
3139 pCap
->wireless_modes
);
3144 pCap
->tx_chainmask
= ah
->eep_ops
->get_eeprom(ah
, EEP_TX_MASK
);
3146 * For AR9271 we will temporarilly uses the rx chainmax as read from
3149 if ((ah
->hw_version
.devid
== AR5416_DEVID_PCI
) &&
3150 !(eeval
& AR5416_OPFLAGS_11A
) &&
3151 !(AR_SREV_9271(ah
)))
3152 /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
3153 pCap
->rx_chainmask
= ath9k_hw_gpio_get(ah
, 0) ? 0x5 : 0x7;
3155 /* Use rx_chainmask from EEPROM. */
3156 pCap
->rx_chainmask
= ah
->eep_ops
->get_eeprom(ah
, EEP_RX_MASK
);
3158 if (!(AR_SREV_9280(ah
) && (ah
->hw_version
.macRev
== 0)))
3159 ah
->misc_mode
|= AR_PCU_MIC_NEW_LOC_ENA
;
3161 pCap
->low_2ghz_chan
= 2312;
3162 pCap
->high_2ghz_chan
= 2732;
3164 pCap
->low_5ghz_chan
= 4920;
3165 pCap
->high_5ghz_chan
= 6100;
3167 pCap
->hw_caps
&= ~ATH9K_HW_CAP_CIPHER_CKIP
;
3168 pCap
->hw_caps
|= ATH9K_HW_CAP_CIPHER_TKIP
;
3169 pCap
->hw_caps
|= ATH9K_HW_CAP_CIPHER_AESCCM
;
3171 pCap
->hw_caps
&= ~ATH9K_HW_CAP_MIC_CKIP
;
3172 pCap
->hw_caps
|= ATH9K_HW_CAP_MIC_TKIP
;
3173 pCap
->hw_caps
|= ATH9K_HW_CAP_MIC_AESCCM
;
3175 if (ah
->config
.ht_enable
)
3176 pCap
->hw_caps
|= ATH9K_HW_CAP_HT
;
3178 pCap
->hw_caps
&= ~ATH9K_HW_CAP_HT
;
3180 pCap
->hw_caps
|= ATH9K_HW_CAP_GTT
;
3181 pCap
->hw_caps
|= ATH9K_HW_CAP_VEOL
;
3182 pCap
->hw_caps
|= ATH9K_HW_CAP_BSSIDMASK
;
3183 pCap
->hw_caps
&= ~ATH9K_HW_CAP_MCAST_KEYSEARCH
;
3185 if (capField
& AR_EEPROM_EEPCAP_MAXQCU
)
3186 pCap
->total_queues
=
3187 MS(capField
, AR_EEPROM_EEPCAP_MAXQCU
);
3189 pCap
->total_queues
= ATH9K_NUM_TX_QUEUES
;
3191 if (capField
& AR_EEPROM_EEPCAP_KC_ENTRIES
)
3192 pCap
->keycache_size
=
3193 1 << MS(capField
, AR_EEPROM_EEPCAP_KC_ENTRIES
);
3195 pCap
->keycache_size
= AR_KEYTABLE_SIZE
;
3197 pCap
->hw_caps
|= ATH9K_HW_CAP_FASTCC
;
3199 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
))
3200 pCap
->tx_triglevel_max
= MAX_TX_FIFO_THRESHOLD
>> 1;
3202 pCap
->tx_triglevel_max
= MAX_TX_FIFO_THRESHOLD
;
3204 if (AR_SREV_9271(ah
))
3205 pCap
->num_gpio_pins
= AR9271_NUM_GPIO
;
3206 else if (AR_SREV_9285_10_OR_LATER(ah
))
3207 pCap
->num_gpio_pins
= AR9285_NUM_GPIO
;
3208 else if (AR_SREV_9280_10_OR_LATER(ah
))
3209 pCap
->num_gpio_pins
= AR928X_NUM_GPIO
;
3211 pCap
->num_gpio_pins
= AR_NUM_GPIO
;
3213 if (AR_SREV_9160_10_OR_LATER(ah
) || AR_SREV_9100(ah
)) {
3214 pCap
->hw_caps
|= ATH9K_HW_CAP_CST
;
3215 pCap
->rts_aggr_limit
= ATH_AMPDU_LIMIT_MAX
;
3217 pCap
->rts_aggr_limit
= (8 * 1024);
3220 pCap
->hw_caps
|= ATH9K_HW_CAP_ENHANCEDPM
;
3222 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
3223 ah
->rfsilent
= ah
->eep_ops
->get_eeprom(ah
, EEP_RF_SILENT
);
3224 if (ah
->rfsilent
& EEP_RFSILENT_ENABLED
) {
3226 MS(ah
->rfsilent
, EEP_RFSILENT_GPIO_SEL
);
3227 ah
->rfkill_polarity
=
3228 MS(ah
->rfsilent
, EEP_RFSILENT_POLARITY
);
3230 pCap
->hw_caps
|= ATH9K_HW_CAP_RFSILENT
;
3234 pCap
->hw_caps
&= ~ATH9K_HW_CAP_AUTOSLEEP
;
3236 if (AR_SREV_9280(ah
) || AR_SREV_9285(ah
))
3237 pCap
->hw_caps
&= ~ATH9K_HW_CAP_4KB_SPLITTRANS
;
3239 pCap
->hw_caps
|= ATH9K_HW_CAP_4KB_SPLITTRANS
;
3241 if (regulatory
->current_rd_ext
& (1 << REG_EXT_JAPAN_MIDBAND
)) {
3243 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A
|
3244 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN
|
3245 AR_EEPROM_EEREGCAP_EN_KK_U2
|
3246 AR_EEPROM_EEREGCAP_EN_KK_MIDBAND
;
3249 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A
|
3250 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN
;
3253 /* Advertise midband for AR5416 with FCC midband set in eeprom */
3254 if (regulatory
->current_rd_ext
& (1 << REG_EXT_FCC_MIDBAND
) &&
3256 pCap
->reg_cap
|= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND
;
3258 pCap
->num_antcfg_5ghz
=
3259 ah
->eep_ops
->get_num_ant_config(ah
, ATH9K_HAL_FREQ_BAND_5GHZ
);
3260 pCap
->num_antcfg_2ghz
=
3261 ah
->eep_ops
->get_num_ant_config(ah
, ATH9K_HAL_FREQ_BAND_2GHZ
);
3263 if (AR_SREV_9280_10_OR_LATER(ah
) &&
3264 ath9k_hw_btcoex_supported(ah
)) {
3265 btcoex_hw
->btactive_gpio
= ATH_BTACTIVE_GPIO
;
3266 btcoex_hw
->wlanactive_gpio
= ATH_WLANACTIVE_GPIO
;
3268 if (AR_SREV_9285(ah
)) {
3269 btcoex_hw
->scheme
= ATH_BTCOEX_CFG_3WIRE
;
3270 btcoex_hw
->btpriority_gpio
= ATH_BTPRIORITY_GPIO
;
3272 btcoex_hw
->scheme
= ATH_BTCOEX_CFG_2WIRE
;
3275 btcoex_hw
->scheme
= ATH_BTCOEX_CFG_NONE
;
3281 bool ath9k_hw_getcapability(struct ath_hw
*ah
, enum ath9k_capability_type type
,
3282 u32 capability
, u32
*result
)
3284 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
3286 case ATH9K_CAP_CIPHER
:
3287 switch (capability
) {
3288 case ATH9K_CIPHER_AES_CCM
:
3289 case ATH9K_CIPHER_AES_OCB
:
3290 case ATH9K_CIPHER_TKIP
:
3291 case ATH9K_CIPHER_WEP
:
3292 case ATH9K_CIPHER_MIC
:
3293 case ATH9K_CIPHER_CLR
:
3298 case ATH9K_CAP_TKIP_MIC
:
3299 switch (capability
) {
3303 return (ah
->sta_id1_defaults
&
3304 AR_STA_ID1_CRPT_MIC_ENABLE
) ? true :
3307 case ATH9K_CAP_TKIP_SPLIT
:
3308 return (ah
->misc_mode
& AR_PCU_MIC_NEW_LOC_ENA
) ?
3310 case ATH9K_CAP_DIVERSITY
:
3311 return (REG_READ(ah
, AR_PHY_CCK_DETECT
) &
3312 AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV
) ?
3314 case ATH9K_CAP_MCAST_KEYSRCH
:
3315 switch (capability
) {
3319 if (REG_READ(ah
, AR_STA_ID1
) & AR_STA_ID1_ADHOC
) {
3322 return (ah
->sta_id1_defaults
&
3323 AR_STA_ID1_MCAST_KSRCH
) ? true :
3328 case ATH9K_CAP_TXPOW
:
3329 switch (capability
) {
3333 *result
= regulatory
->power_limit
;
3336 *result
= regulatory
->max_power_level
;
3339 *result
= regulatory
->tp_scale
;
3344 return (AR_SREV_9280_20_OR_LATER(ah
) &&
3345 (ah
->eep_ops
->get_eeprom(ah
, EEP_RC_CHAIN_MASK
) == 1))
3351 EXPORT_SYMBOL(ath9k_hw_getcapability
);
3353 bool ath9k_hw_setcapability(struct ath_hw
*ah
, enum ath9k_capability_type type
,
3354 u32 capability
, u32 setting
, int *status
)
3359 case ATH9K_CAP_TKIP_MIC
:
3361 ah
->sta_id1_defaults
|=
3362 AR_STA_ID1_CRPT_MIC_ENABLE
;
3364 ah
->sta_id1_defaults
&=
3365 ~AR_STA_ID1_CRPT_MIC_ENABLE
;
3367 case ATH9K_CAP_DIVERSITY
:
3368 v
= REG_READ(ah
, AR_PHY_CCK_DETECT
);
3370 v
|= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV
;
3372 v
&= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV
;
3373 REG_WRITE(ah
, AR_PHY_CCK_DETECT
, v
);
3375 case ATH9K_CAP_MCAST_KEYSRCH
:
3377 ah
->sta_id1_defaults
|= AR_STA_ID1_MCAST_KSRCH
;
3379 ah
->sta_id1_defaults
&= ~AR_STA_ID1_MCAST_KSRCH
;
3385 EXPORT_SYMBOL(ath9k_hw_setcapability
);
3387 /****************************/
3388 /* GPIO / RFKILL / Antennae */
3389 /****************************/
3391 static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw
*ah
,
3395 u32 gpio_shift
, tmp
;
3398 addr
= AR_GPIO_OUTPUT_MUX3
;
3400 addr
= AR_GPIO_OUTPUT_MUX2
;
3402 addr
= AR_GPIO_OUTPUT_MUX1
;
3404 gpio_shift
= (gpio
% 6) * 5;
3406 if (AR_SREV_9280_20_OR_LATER(ah
)
3407 || (addr
!= AR_GPIO_OUTPUT_MUX1
)) {
3408 REG_RMW(ah
, addr
, (type
<< gpio_shift
),
3409 (0x1f << gpio_shift
));
3411 tmp
= REG_READ(ah
, addr
);
3412 tmp
= ((tmp
& 0x1F0) << 1) | (tmp
& ~0x1F0);
3413 tmp
&= ~(0x1f << gpio_shift
);
3414 tmp
|= (type
<< gpio_shift
);
3415 REG_WRITE(ah
, addr
, tmp
);
3419 void ath9k_hw_cfg_gpio_input(struct ath_hw
*ah
, u32 gpio
)
3423 BUG_ON(gpio
>= ah
->caps
.num_gpio_pins
);
3425 gpio_shift
= gpio
<< 1;
3429 (AR_GPIO_OE_OUT_DRV_NO
<< gpio_shift
),
3430 (AR_GPIO_OE_OUT_DRV
<< gpio_shift
));
3432 EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input
);
3434 u32
ath9k_hw_gpio_get(struct ath_hw
*ah
, u32 gpio
)
3436 #define MS_REG_READ(x, y) \
3437 (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y)))
3439 if (gpio
>= ah
->caps
.num_gpio_pins
)
3442 if (AR_SREV_9271(ah
))
3443 return MS_REG_READ(AR9271
, gpio
) != 0;
3444 else if (AR_SREV_9287_10_OR_LATER(ah
))
3445 return MS_REG_READ(AR9287
, gpio
) != 0;
3446 else if (AR_SREV_9285_10_OR_LATER(ah
))
3447 return MS_REG_READ(AR9285
, gpio
) != 0;
3448 else if (AR_SREV_9280_10_OR_LATER(ah
))
3449 return MS_REG_READ(AR928X
, gpio
) != 0;
3451 return MS_REG_READ(AR
, gpio
) != 0;
3453 EXPORT_SYMBOL(ath9k_hw_gpio_get
);
3455 void ath9k_hw_cfg_output(struct ath_hw
*ah
, u32 gpio
,
3460 ath9k_hw_gpio_cfg_output_mux(ah
, gpio
, ah_signal_type
);
3462 gpio_shift
= 2 * gpio
;
3466 (AR_GPIO_OE_OUT_DRV_ALL
<< gpio_shift
),
3467 (AR_GPIO_OE_OUT_DRV
<< gpio_shift
));
3469 EXPORT_SYMBOL(ath9k_hw_cfg_output
);
3471 void ath9k_hw_set_gpio(struct ath_hw
*ah
, u32 gpio
, u32 val
)
3473 if (AR_SREV_9271(ah
))
3476 REG_RMW(ah
, AR_GPIO_IN_OUT
, ((val
& 1) << gpio
),
3479 EXPORT_SYMBOL(ath9k_hw_set_gpio
);
3481 u32
ath9k_hw_getdefantenna(struct ath_hw
*ah
)
3483 return REG_READ(ah
, AR_DEF_ANTENNA
) & 0x7;
3485 EXPORT_SYMBOL(ath9k_hw_getdefantenna
);
3487 void ath9k_hw_setantenna(struct ath_hw
*ah
, u32 antenna
)
3489 REG_WRITE(ah
, AR_DEF_ANTENNA
, (antenna
& 0x7));
3491 EXPORT_SYMBOL(ath9k_hw_setantenna
);
3493 /*********************/
3494 /* General Operation */
3495 /*********************/
3497 u32
ath9k_hw_getrxfilter(struct ath_hw
*ah
)
3499 u32 bits
= REG_READ(ah
, AR_RX_FILTER
);
3500 u32 phybits
= REG_READ(ah
, AR_PHY_ERR
);
3502 if (phybits
& AR_PHY_ERR_RADAR
)
3503 bits
|= ATH9K_RX_FILTER_PHYRADAR
;
3504 if (phybits
& (AR_PHY_ERR_OFDM_TIMING
| AR_PHY_ERR_CCK_TIMING
))
3505 bits
|= ATH9K_RX_FILTER_PHYERR
;
3509 EXPORT_SYMBOL(ath9k_hw_getrxfilter
);
3511 void ath9k_hw_setrxfilter(struct ath_hw
*ah
, u32 bits
)
3515 REG_WRITE(ah
, AR_RX_FILTER
, bits
);
3518 if (bits
& ATH9K_RX_FILTER_PHYRADAR
)
3519 phybits
|= AR_PHY_ERR_RADAR
;
3520 if (bits
& ATH9K_RX_FILTER_PHYERR
)
3521 phybits
|= AR_PHY_ERR_OFDM_TIMING
| AR_PHY_ERR_CCK_TIMING
;
3522 REG_WRITE(ah
, AR_PHY_ERR
, phybits
);
3525 REG_WRITE(ah
, AR_RXCFG
,
3526 REG_READ(ah
, AR_RXCFG
) | AR_RXCFG_ZLFDMA
);
3528 REG_WRITE(ah
, AR_RXCFG
,
3529 REG_READ(ah
, AR_RXCFG
) & ~AR_RXCFG_ZLFDMA
);
3531 EXPORT_SYMBOL(ath9k_hw_setrxfilter
);
3533 bool ath9k_hw_phy_disable(struct ath_hw
*ah
)
3535 if (!ath9k_hw_set_reset_reg(ah
, ATH9K_RESET_WARM
))
3538 ath9k_hw_init_pll(ah
, NULL
);
3541 EXPORT_SYMBOL(ath9k_hw_phy_disable
);
3543 bool ath9k_hw_disable(struct ath_hw
*ah
)
3545 if (!ath9k_hw_setpower(ah
, ATH9K_PM_AWAKE
))
3548 if (!ath9k_hw_set_reset_reg(ah
, ATH9K_RESET_COLD
))
3551 ath9k_hw_init_pll(ah
, NULL
);
3554 EXPORT_SYMBOL(ath9k_hw_disable
);
3556 void ath9k_hw_set_txpowerlimit(struct ath_hw
*ah
, u32 limit
)
3558 struct ath_regulatory
*regulatory
= ath9k_hw_regulatory(ah
);
3559 struct ath9k_channel
*chan
= ah
->curchan
;
3560 struct ieee80211_channel
*channel
= chan
->chan
;
3562 regulatory
->power_limit
= min(limit
, (u32
) MAX_RATE_POWER
);
3564 ah
->eep_ops
->set_txpower(ah
, chan
,
3565 ath9k_regd_get_ctl(regulatory
, chan
),
3566 channel
->max_antenna_gain
* 2,
3567 channel
->max_power
* 2,
3568 min((u32
) MAX_RATE_POWER
,
3569 (u32
) regulatory
->power_limit
));
3571 EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit
);
3573 void ath9k_hw_setmac(struct ath_hw
*ah
, const u8
*mac
)
3575 memcpy(ath9k_hw_common(ah
)->macaddr
, mac
, ETH_ALEN
);
3577 EXPORT_SYMBOL(ath9k_hw_setmac
);
3579 void ath9k_hw_setopmode(struct ath_hw
*ah
)
3581 ath9k_hw_set_operating_mode(ah
, ah
->opmode
);
3583 EXPORT_SYMBOL(ath9k_hw_setopmode
);
3585 void ath9k_hw_setmcastfilter(struct ath_hw
*ah
, u32 filter0
, u32 filter1
)
3587 REG_WRITE(ah
, AR_MCAST_FIL0
, filter0
);
3588 REG_WRITE(ah
, AR_MCAST_FIL1
, filter1
);
3590 EXPORT_SYMBOL(ath9k_hw_setmcastfilter
);
3592 void ath9k_hw_write_associd(struct ath_hw
*ah
)
3594 struct ath_common
*common
= ath9k_hw_common(ah
);
3596 REG_WRITE(ah
, AR_BSS_ID0
, get_unaligned_le32(common
->curbssid
));
3597 REG_WRITE(ah
, AR_BSS_ID1
, get_unaligned_le16(common
->curbssid
+ 4) |
3598 ((common
->curaid
& 0x3fff) << AR_BSS_ID1_AID_S
));
3600 EXPORT_SYMBOL(ath9k_hw_write_associd
);
3602 u64
ath9k_hw_gettsf64(struct ath_hw
*ah
)
3606 tsf
= REG_READ(ah
, AR_TSF_U32
);
3607 tsf
= (tsf
<< 32) | REG_READ(ah
, AR_TSF_L32
);
3611 EXPORT_SYMBOL(ath9k_hw_gettsf64
);
3613 void ath9k_hw_settsf64(struct ath_hw
*ah
, u64 tsf64
)
3615 REG_WRITE(ah
, AR_TSF_L32
, tsf64
& 0xffffffff);
3616 REG_WRITE(ah
, AR_TSF_U32
, (tsf64
>> 32) & 0xffffffff);
3618 EXPORT_SYMBOL(ath9k_hw_settsf64
);
3620 void ath9k_hw_reset_tsf(struct ath_hw
*ah
)
3622 if (!ath9k_hw_wait(ah
, AR_SLP32_MODE
, AR_SLP32_TSF_WRITE_STATUS
, 0,
3623 AH_TSF_WRITE_TIMEOUT
))
3624 ath_print(ath9k_hw_common(ah
), ATH_DBG_RESET
,
3625 "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
3627 REG_WRITE(ah
, AR_RESET_TSF
, AR_RESET_TSF_ONCE
);
3629 EXPORT_SYMBOL(ath9k_hw_reset_tsf
);
3631 void ath9k_hw_set_tsfadjust(struct ath_hw
*ah
, u32 setting
)
3634 ah
->misc_mode
|= AR_PCU_TX_ADD_TSF
;
3636 ah
->misc_mode
&= ~AR_PCU_TX_ADD_TSF
;
3638 EXPORT_SYMBOL(ath9k_hw_set_tsfadjust
);
3641 * Extend 15-bit time stamp from rx descriptor to
3642 * a full 64-bit TSF using the current h/w TSF.
3644 u64
ath9k_hw_extend_tsf(struct ath_hw
*ah
, u32 rstamp
)
3648 tsf
= ath9k_hw_gettsf64(ah
);
3649 if ((tsf
& 0x7fff) < rstamp
)
3651 return (tsf
& ~0x7fff) | rstamp
;
3653 EXPORT_SYMBOL(ath9k_hw_extend_tsf
);
3655 void ath9k_hw_set11nmac2040(struct ath_hw
*ah
)
3657 struct ieee80211_conf
*conf
= &ath9k_hw_common(ah
)->hw
->conf
;
3660 if (conf_is_ht40(conf
) && !ah
->config
.cwm_ignore_extcca
)
3661 macmode
= AR_2040_JOINED_RX_CLEAR
;
3665 REG_WRITE(ah
, AR_2040_MODE
, macmode
);
3668 /* HW Generic timers configuration */
3670 static const struct ath_gen_timer_configuration gen_tmr_configuration
[] =
3672 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3673 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3674 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3675 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3676 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3677 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3678 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3679 {AR_NEXT_NDP_TIMER
, AR_NDP_PERIOD
, AR_TIMER_MODE
, 0x0080},
3680 {AR_NEXT_NDP2_TIMER
, AR_NDP2_PERIOD
, AR_NDP2_TIMER_MODE
, 0x0001},
3681 {AR_NEXT_NDP2_TIMER
+ 1*4, AR_NDP2_PERIOD
+ 1*4,
3682 AR_NDP2_TIMER_MODE
, 0x0002},
3683 {AR_NEXT_NDP2_TIMER
+ 2*4, AR_NDP2_PERIOD
+ 2*4,
3684 AR_NDP2_TIMER_MODE
, 0x0004},
3685 {AR_NEXT_NDP2_TIMER
+ 3*4, AR_NDP2_PERIOD
+ 3*4,
3686 AR_NDP2_TIMER_MODE
, 0x0008},
3687 {AR_NEXT_NDP2_TIMER
+ 4*4, AR_NDP2_PERIOD
+ 4*4,
3688 AR_NDP2_TIMER_MODE
, 0x0010},
3689 {AR_NEXT_NDP2_TIMER
+ 5*4, AR_NDP2_PERIOD
+ 5*4,
3690 AR_NDP2_TIMER_MODE
, 0x0020},
3691 {AR_NEXT_NDP2_TIMER
+ 6*4, AR_NDP2_PERIOD
+ 6*4,
3692 AR_NDP2_TIMER_MODE
, 0x0040},
3693 {AR_NEXT_NDP2_TIMER
+ 7*4, AR_NDP2_PERIOD
+ 7*4,
3694 AR_NDP2_TIMER_MODE
, 0x0080}
3697 /* HW generic timer primitives */
3699 /* compute and clear index of rightmost 1 */
3700 static u32
rightmost_index(struct ath_gen_timer_table
*timer_table
, u32
*mask
)
3710 return timer_table
->gen_timer_index
[b
];
3713 u32
ath9k_hw_gettsf32(struct ath_hw
*ah
)
3715 return REG_READ(ah
, AR_TSF_L32
);
3717 EXPORT_SYMBOL(ath9k_hw_gettsf32
);
3719 struct ath_gen_timer
*ath_gen_timer_alloc(struct ath_hw
*ah
,
3720 void (*trigger
)(void *),
3721 void (*overflow
)(void *),
3725 struct ath_gen_timer_table
*timer_table
= &ah
->hw_gen_timers
;
3726 struct ath_gen_timer
*timer
;
3728 timer
= kzalloc(sizeof(struct ath_gen_timer
), GFP_KERNEL
);
3730 if (timer
== NULL
) {
3731 ath_print(ath9k_hw_common(ah
), ATH_DBG_FATAL
,
3732 "Failed to allocate memory"
3733 "for hw timer[%d]\n", timer_index
);
3737 /* allocate a hardware generic timer slot */
3738 timer_table
->timers
[timer_index
] = timer
;
3739 timer
->index
= timer_index
;
3740 timer
->trigger
= trigger
;
3741 timer
->overflow
= overflow
;
3746 EXPORT_SYMBOL(ath_gen_timer_alloc
);
3748 void ath9k_hw_gen_timer_start(struct ath_hw
*ah
,
3749 struct ath_gen_timer
*timer
,
3753 struct ath_gen_timer_table
*timer_table
= &ah
->hw_gen_timers
;
3756 BUG_ON(!timer_period
);
3758 set_bit(timer
->index
, &timer_table
->timer_mask
.timer_bits
);
3760 tsf
= ath9k_hw_gettsf32(ah
);
3762 ath_print(ath9k_hw_common(ah
), ATH_DBG_HWTIMER
,
3763 "curent tsf %x period %x"
3764 "timer_next %x\n", tsf
, timer_period
, timer_next
);
3767 * Pull timer_next forward if the current TSF already passed it
3768 * because of software latency
3770 if (timer_next
< tsf
)
3771 timer_next
= tsf
+ timer_period
;
3774 * Program generic timer registers
3776 REG_WRITE(ah
, gen_tmr_configuration
[timer
->index
].next_addr
,
3778 REG_WRITE(ah
, gen_tmr_configuration
[timer
->index
].period_addr
,
3780 REG_SET_BIT(ah
, gen_tmr_configuration
[timer
->index
].mode_addr
,
3781 gen_tmr_configuration
[timer
->index
].mode_mask
);
3783 /* Enable both trigger and thresh interrupt masks */
3784 REG_SET_BIT(ah
, AR_IMR_S5
,
3785 (SM(AR_GENTMR_BIT(timer
->index
), AR_IMR_S5_GENTIMER_THRESH
) |
3786 SM(AR_GENTMR_BIT(timer
->index
), AR_IMR_S5_GENTIMER_TRIG
)));
3788 EXPORT_SYMBOL(ath9k_hw_gen_timer_start
);
3790 void ath9k_hw_gen_timer_stop(struct ath_hw
*ah
, struct ath_gen_timer
*timer
)
3792 struct ath_gen_timer_table
*timer_table
= &ah
->hw_gen_timers
;
3794 if ((timer
->index
< AR_FIRST_NDP_TIMER
) ||
3795 (timer
->index
>= ATH_MAX_GEN_TIMER
)) {
3799 /* Clear generic timer enable bits. */
3800 REG_CLR_BIT(ah
, gen_tmr_configuration
[timer
->index
].mode_addr
,
3801 gen_tmr_configuration
[timer
->index
].mode_mask
);
3803 /* Disable both trigger and thresh interrupt masks */
3804 REG_CLR_BIT(ah
, AR_IMR_S5
,
3805 (SM(AR_GENTMR_BIT(timer
->index
), AR_IMR_S5_GENTIMER_THRESH
) |
3806 SM(AR_GENTMR_BIT(timer
->index
), AR_IMR_S5_GENTIMER_TRIG
)));
3808 clear_bit(timer
->index
, &timer_table
->timer_mask
.timer_bits
);
3810 EXPORT_SYMBOL(ath9k_hw_gen_timer_stop
);
3812 void ath_gen_timer_free(struct ath_hw
*ah
, struct ath_gen_timer
*timer
)
3814 struct ath_gen_timer_table
*timer_table
= &ah
->hw_gen_timers
;
3816 /* free the hardware generic timer slot */
3817 timer_table
->timers
[timer
->index
] = NULL
;
3820 EXPORT_SYMBOL(ath_gen_timer_free
);
3823 * Generic Timer Interrupts handling
3825 void ath_gen_timer_isr(struct ath_hw
*ah
)
3827 struct ath_gen_timer_table
*timer_table
= &ah
->hw_gen_timers
;
3828 struct ath_gen_timer
*timer
;
3829 struct ath_common
*common
= ath9k_hw_common(ah
);
3830 u32 trigger_mask
, thresh_mask
, index
;
3832 /* get hardware generic timer interrupt status */
3833 trigger_mask
= ah
->intr_gen_timer_trigger
;
3834 thresh_mask
= ah
->intr_gen_timer_thresh
;
3835 trigger_mask
&= timer_table
->timer_mask
.val
;
3836 thresh_mask
&= timer_table
->timer_mask
.val
;
3838 trigger_mask
&= ~thresh_mask
;
3840 while (thresh_mask
) {
3841 index
= rightmost_index(timer_table
, &thresh_mask
);
3842 timer
= timer_table
->timers
[index
];
3844 ath_print(common
, ATH_DBG_HWTIMER
,
3845 "TSF overflow for Gen timer %d\n", index
);
3846 timer
->overflow(timer
->arg
);
3849 while (trigger_mask
) {
3850 index
= rightmost_index(timer_table
, &trigger_mask
);
3851 timer
= timer_table
->timers
[index
];
3853 ath_print(common
, ATH_DBG_HWTIMER
,
3854 "Gen timer[%d] trigger\n", index
);
3855 timer
->trigger(timer
->arg
);
3858 EXPORT_SYMBOL(ath_gen_timer_isr
);
3864 void ath9k_hw_htc_resetinit(struct ath_hw
*ah
)
3866 ah
->htc_reset_init
= true;
3868 EXPORT_SYMBOL(ath9k_hw_htc_resetinit
);
3873 } ath_mac_bb_names
[] = {
3874 /* Devices with external radios */
3875 { AR_SREV_VERSION_5416_PCI
, "5416" },
3876 { AR_SREV_VERSION_5416_PCIE
, "5418" },
3877 { AR_SREV_VERSION_9100
, "9100" },
3878 { AR_SREV_VERSION_9160
, "9160" },
3879 /* Single-chip solutions */
3880 { AR_SREV_VERSION_9280
, "9280" },
3881 { AR_SREV_VERSION_9285
, "9285" },
3882 { AR_SREV_VERSION_9287
, "9287" },
3883 { AR_SREV_VERSION_9271
, "9271" },
3886 /* For devices with external radios */
3890 } ath_rf_names
[] = {
3892 { AR_RAD5133_SREV_MAJOR
, "5133" },
3893 { AR_RAD5122_SREV_MAJOR
, "5122" },
3894 { AR_RAD2133_SREV_MAJOR
, "2133" },
3895 { AR_RAD2122_SREV_MAJOR
, "2122" }
3899 * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
3901 static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version
)
3905 for (i
=0; i
<ARRAY_SIZE(ath_mac_bb_names
); i
++) {
3906 if (ath_mac_bb_names
[i
].version
== mac_bb_version
) {
3907 return ath_mac_bb_names
[i
].name
;
3915 * Return the RF name. "????" is returned if the RF is unknown.
3916 * Used for devices with external radios.
3918 static const char *ath9k_hw_rf_name(u16 rf_version
)
3922 for (i
=0; i
<ARRAY_SIZE(ath_rf_names
); i
++) {
3923 if (ath_rf_names
[i
].version
== rf_version
) {
3924 return ath_rf_names
[i
].name
;
3931 void ath9k_hw_name(struct ath_hw
*ah
, char *hw_name
, size_t len
)
3935 /* chipsets >= AR9280 are single-chip */
3936 if (AR_SREV_9280_10_OR_LATER(ah
)) {
3937 used
= snprintf(hw_name
, len
,
3938 "Atheros AR%s Rev:%x",
3939 ath9k_hw_mac_bb_name(ah
->hw_version
.macVersion
),
3940 ah
->hw_version
.macRev
);
3943 used
= snprintf(hw_name
, len
,
3944 "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
3945 ath9k_hw_mac_bb_name(ah
->hw_version
.macVersion
),
3946 ah
->hw_version
.macRev
,
3947 ath9k_hw_rf_name((ah
->hw_version
.analog5GhzRev
&
3948 AR_RADIO_SREV_MAJOR
)),
3949 ah
->hw_version
.phyRev
);
3952 hw_name
[used
] = '\0';
3954 EXPORT_SYMBOL(ath9k_hw_name
);