2 * Copyright (c) 2008-2011 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 <linux/slab.h>
19 #include <asm/unaligned.h>
24 #include "ar9003_mac.h"
26 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
28 MODULE_AUTHOR("Atheros Communications");
29 MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
30 MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
31 MODULE_LICENSE("Dual BSD/GPL");
33 static int __init ath9k_init(void)
37 module_init(ath9k_init);
39 static void __exit ath9k_exit(void)
43 module_exit(ath9k_exit);
45 /* Private hardware callbacks */
47 static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
49 ath9k_hw_private_ops(ah)->init_cal_settings(ah);
52 static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
54 ath9k_hw_private_ops(ah)->init_mode_regs(ah);
57 static u32 ath9k_hw_compute_pll_control(struct ath_hw *ah,
58 struct ath9k_channel *chan)
60 return ath9k_hw_private_ops(ah)->compute_pll_control(ah, chan);
63 static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
65 if (!ath9k_hw_private_ops(ah)->init_mode_gain_regs)
68 ath9k_hw_private_ops(ah)->init_mode_gain_regs(ah);
71 static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah)
73 /* You will not have this callback if using the old ANI */
74 if (!ath9k_hw_private_ops(ah)->ani_cache_ini_regs)
77 ath9k_hw_private_ops(ah)->ani_cache_ini_regs(ah);
80 /********************/
81 /* Helper Functions */
82 /********************/
84 static void ath9k_hw_set_clockrate(struct ath_hw *ah)
86 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
87 struct ath_common *common = ath9k_hw_common(ah);
88 unsigned int clockrate;
90 if (!ah->curchan) /* should really check for CCK instead */
91 clockrate = ATH9K_CLOCK_RATE_CCK;
92 else if (conf->channel->band == IEEE80211_BAND_2GHZ)
93 clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
94 else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
95 clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
97 clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
99 if (conf_is_ht40(conf))
102 common->clockrate = clockrate;
105 static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
107 struct ath_common *common = ath9k_hw_common(ah);
109 return usecs * common->clockrate;
112 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
116 BUG_ON(timeout < AH_TIME_QUANTUM);
118 for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) {
119 if ((REG_READ(ah, reg) & mask) == val)
122 udelay(AH_TIME_QUANTUM);
125 ath_dbg(ath9k_hw_common(ah), ATH_DBG_ANY,
126 "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
127 timeout, reg, REG_READ(ah, reg), mask, val);
131 EXPORT_SYMBOL(ath9k_hw_wait);
133 void ath9k_hw_write_array(struct ath_hw *ah, struct ar5416IniArray *array,
134 int column, unsigned int *writecnt)
138 ENABLE_REGWRITE_BUFFER(ah);
139 for (r = 0; r < array->ia_rows; r++) {
140 REG_WRITE(ah, INI_RA(array, r, 0),
141 INI_RA(array, r, column));
144 REGWRITE_BUFFER_FLUSH(ah);
147 u32 ath9k_hw_reverse_bits(u32 val, u32 n)
152 for (i = 0, retval = 0; i < n; i++) {
153 retval = (retval << 1) | (val & 1);
159 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
161 u32 frameLen, u16 rateix,
164 u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
170 case WLAN_RC_PHY_CCK:
171 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
174 numBits = frameLen << 3;
175 txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
177 case WLAN_RC_PHY_OFDM:
178 if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) {
179 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
180 numBits = OFDM_PLCP_BITS + (frameLen << 3);
181 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
182 txTime = OFDM_SIFS_TIME_QUARTER
183 + OFDM_PREAMBLE_TIME_QUARTER
184 + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
185 } else if (ah->curchan &&
186 IS_CHAN_HALF_RATE(ah->curchan)) {
187 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
188 numBits = OFDM_PLCP_BITS + (frameLen << 3);
189 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
190 txTime = OFDM_SIFS_TIME_HALF +
191 OFDM_PREAMBLE_TIME_HALF
192 + (numSymbols * OFDM_SYMBOL_TIME_HALF);
194 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
195 numBits = OFDM_PLCP_BITS + (frameLen << 3);
196 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
197 txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
198 + (numSymbols * OFDM_SYMBOL_TIME);
202 ath_err(ath9k_hw_common(ah),
203 "Unknown phy %u (rate ix %u)\n", phy, rateix);
210 EXPORT_SYMBOL(ath9k_hw_computetxtime);
212 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
213 struct ath9k_channel *chan,
214 struct chan_centers *centers)
218 if (!IS_CHAN_HT40(chan)) {
219 centers->ctl_center = centers->ext_center =
220 centers->synth_center = chan->channel;
224 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
225 (chan->chanmode == CHANNEL_G_HT40PLUS)) {
226 centers->synth_center =
227 chan->channel + HT40_CHANNEL_CENTER_SHIFT;
230 centers->synth_center =
231 chan->channel - HT40_CHANNEL_CENTER_SHIFT;
235 centers->ctl_center =
236 centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
237 /* 25 MHz spacing is supported by hw but not on upper layers */
238 centers->ext_center =
239 centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT);
246 static void ath9k_hw_read_revisions(struct ath_hw *ah)
250 switch (ah->hw_version.devid) {
251 case AR5416_AR9100_DEVID:
252 ah->hw_version.macVersion = AR_SREV_VERSION_9100;
254 case AR9300_DEVID_AR9340:
255 ah->hw_version.macVersion = AR_SREV_VERSION_9340;
256 val = REG_READ(ah, AR_SREV);
257 ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
261 val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
264 val = REG_READ(ah, AR_SREV);
265 ah->hw_version.macVersion =
266 (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
267 ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
268 ah->is_pciexpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
270 if (!AR_SREV_9100(ah))
271 ah->hw_version.macVersion = MS(val, AR_SREV_VERSION);
273 ah->hw_version.macRev = val & AR_SREV_REVISION;
275 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE)
276 ah->is_pciexpress = true;
280 /************************************/
281 /* HW Attach, Detach, Init Routines */
282 /************************************/
284 static void ath9k_hw_disablepcie(struct ath_hw *ah)
286 if (!AR_SREV_5416(ah))
289 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
290 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
291 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
292 REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
293 REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
294 REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
295 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
296 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
297 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
299 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
302 static void ath9k_hw_aspm_init(struct ath_hw *ah)
304 struct ath_common *common = ath9k_hw_common(ah);
306 if (common->bus_ops->aspm_init)
307 common->bus_ops->aspm_init(common);
310 /* This should work for all families including legacy */
311 static bool ath9k_hw_chip_test(struct ath_hw *ah)
313 struct ath_common *common = ath9k_hw_common(ah);
314 u32 regAddr[2] = { AR_STA_ID0 };
316 static const u32 patternData[4] = {
317 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999
321 if (!AR_SREV_9300_20_OR_LATER(ah)) {
323 regAddr[1] = AR_PHY_BASE + (8 << 2);
327 for (i = 0; i < loop_max; i++) {
328 u32 addr = regAddr[i];
331 regHold[i] = REG_READ(ah, addr);
332 for (j = 0; j < 0x100; j++) {
333 wrData = (j << 16) | j;
334 REG_WRITE(ah, addr, wrData);
335 rdData = REG_READ(ah, addr);
336 if (rdData != wrData) {
338 "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
339 addr, wrData, rdData);
343 for (j = 0; j < 4; j++) {
344 wrData = patternData[j];
345 REG_WRITE(ah, addr, wrData);
346 rdData = REG_READ(ah, addr);
347 if (wrData != rdData) {
349 "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
350 addr, wrData, rdData);
354 REG_WRITE(ah, regAddr[i], regHold[i]);
361 static void ath9k_hw_init_config(struct ath_hw *ah)
365 ah->config.dma_beacon_response_time = 2;
366 ah->config.sw_beacon_response_time = 10;
367 ah->config.additional_swba_backoff = 0;
368 ah->config.ack_6mb = 0x0;
369 ah->config.cwm_ignore_extcca = 0;
370 ah->config.pcie_clock_req = 0;
371 ah->config.pcie_waen = 0;
372 ah->config.analog_shiftreg = 1;
373 ah->config.enable_ani = true;
375 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
376 ah->config.spurchans[i][0] = AR_NO_SPUR;
377 ah->config.spurchans[i][1] = AR_NO_SPUR;
380 /* PAPRD needs some more work to be enabled */
381 ah->config.paprd_disable = 1;
383 ah->config.rx_intr_mitigation = true;
384 ah->config.pcieSerDesWrite = true;
387 * We need this for PCI devices only (Cardbus, PCI, miniPCI)
388 * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
389 * This means we use it for all AR5416 devices, and the few
390 * minor PCI AR9280 devices out there.
392 * Serialization is required because these devices do not handle
393 * well the case of two concurrent reads/writes due to the latency
394 * involved. During one read/write another read/write can be issued
395 * on another CPU while the previous read/write may still be working
396 * on our hardware, if we hit this case the hardware poops in a loop.
397 * We prevent this by serializing reads and writes.
399 * This issue is not present on PCI-Express devices or pre-AR5416
400 * devices (legacy, 802.11abg).
402 if (num_possible_cpus() > 1)
403 ah->config.serialize_regmode = SER_REG_MODE_AUTO;
406 static void ath9k_hw_init_defaults(struct ath_hw *ah)
408 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
410 regulatory->country_code = CTRY_DEFAULT;
411 regulatory->power_limit = MAX_RATE_POWER;
412 regulatory->tp_scale = ATH9K_TP_SCALE_MAX;
414 ah->hw_version.magic = AR5416_MAGIC;
415 ah->hw_version.subvendorid = 0;
418 ah->sta_id1_defaults =
419 AR_STA_ID1_CRPT_MIC_ENABLE |
420 AR_STA_ID1_MCAST_KSRCH;
421 if (AR_SREV_9100(ah))
422 ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX;
423 ah->enable_32kHz_clock = DONT_USE_32KHZ;
425 ah->globaltxtimeout = (u32) -1;
426 ah->power_mode = ATH9K_PM_UNDEFINED;
429 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
431 struct ath_common *common = ath9k_hw_common(ah);
435 static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW };
438 for (i = 0; i < 3; i++) {
439 eeval = ah->eep_ops->get_eeprom(ah, EEP_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 int ath9k_hw_post_init(struct ath_hw *ah)
452 struct ath_common *common = ath9k_hw_common(ah);
455 if (common->bus_ops->ath_bus_type != ATH_USB) {
456 if (!ath9k_hw_chip_test(ah))
460 if (!AR_SREV_9300_20_OR_LATER(ah)) {
461 ecode = ar9002_hw_rf_claim(ah);
466 ecode = ath9k_hw_eeprom_init(ah);
470 ath_dbg(ath9k_hw_common(ah), ATH_DBG_CONFIG,
471 "Eeprom VER: %d, REV: %d\n",
472 ah->eep_ops->get_eeprom_ver(ah),
473 ah->eep_ops->get_eeprom_rev(ah));
475 ecode = ath9k_hw_rf_alloc_ext_banks(ah);
477 ath_err(ath9k_hw_common(ah),
478 "Failed allocating banks for external radio\n");
479 ath9k_hw_rf_free_ext_banks(ah);
483 if (!AR_SREV_9100(ah) && !AR_SREV_9340(ah)) {
484 ath9k_hw_ani_setup(ah);
485 ath9k_hw_ani_init(ah);
491 static void ath9k_hw_attach_ops(struct ath_hw *ah)
493 if (AR_SREV_9300_20_OR_LATER(ah))
494 ar9003_hw_attach_ops(ah);
496 ar9002_hw_attach_ops(ah);
499 /* Called for all hardware families */
500 static int __ath9k_hw_init(struct ath_hw *ah)
502 struct ath_common *common = ath9k_hw_common(ah);
505 ath9k_hw_read_revisions(ah);
508 * Read back AR_WA into a permanent copy and set bits 14 and 17.
509 * We need to do this to avoid RMW of this register. We cannot
510 * read the reg when chip is asleep.
512 ah->WARegVal = REG_READ(ah, AR_WA);
513 ah->WARegVal |= (AR_WA_D3_L1_DISABLE |
514 AR_WA_ASPM_TIMER_BASED_DISABLE);
516 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
517 ath_err(common, "Couldn't reset chip\n");
521 ath9k_hw_init_defaults(ah);
522 ath9k_hw_init_config(ah);
524 ath9k_hw_attach_ops(ah);
526 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
527 ath_err(common, "Couldn't wakeup chip\n");
531 if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
532 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
533 ((AR_SREV_9160(ah) || AR_SREV_9280(ah)) &&
534 !ah->is_pciexpress)) {
535 ah->config.serialize_regmode =
538 ah->config.serialize_regmode =
543 ath_dbg(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
544 ah->config.serialize_regmode);
546 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
547 ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
549 ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
551 switch (ah->hw_version.macVersion) {
552 case AR_SREV_VERSION_5416_PCI:
553 case AR_SREV_VERSION_5416_PCIE:
554 case AR_SREV_VERSION_9160:
555 case AR_SREV_VERSION_9100:
556 case AR_SREV_VERSION_9280:
557 case AR_SREV_VERSION_9285:
558 case AR_SREV_VERSION_9287:
559 case AR_SREV_VERSION_9271:
560 case AR_SREV_VERSION_9300:
561 case AR_SREV_VERSION_9485:
562 case AR_SREV_VERSION_9340:
566 "Mac Chip Rev 0x%02x.%x is not supported by this driver\n",
567 ah->hw_version.macVersion, ah->hw_version.macRev);
571 if (AR_SREV_9271(ah) || AR_SREV_9100(ah) || AR_SREV_9340(ah))
572 ah->is_pciexpress = false;
574 ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
575 ath9k_hw_init_cal_settings(ah);
577 ah->ani_function = ATH9K_ANI_ALL;
578 if (AR_SREV_9280_20_OR_LATER(ah) && !AR_SREV_9300_20_OR_LATER(ah))
579 ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
580 if (!AR_SREV_9300_20_OR_LATER(ah))
581 ah->ani_function &= ~ATH9K_ANI_MRC_CCK;
583 ath9k_hw_init_mode_regs(ah);
586 if (ah->is_pciexpress)
587 ath9k_hw_aspm_init(ah);
589 ath9k_hw_disablepcie(ah);
591 if (!AR_SREV_9300_20_OR_LATER(ah))
592 ar9002_hw_cck_chan14_spread(ah);
594 r = ath9k_hw_post_init(ah);
598 ath9k_hw_init_mode_gain_regs(ah);
599 r = ath9k_hw_fill_cap_info(ah);
603 r = ath9k_hw_init_macaddr(ah);
605 ath_err(common, "Failed to initialize MAC address\n");
609 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
610 ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
612 ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
614 ah->bb_watchdog_timeout_ms = 25;
616 common->state = ATH_HW_INITIALIZED;
621 int ath9k_hw_init(struct ath_hw *ah)
624 struct ath_common *common = ath9k_hw_common(ah);
626 /* These are all the AR5008/AR9001/AR9002 hardware family of chipsets */
627 switch (ah->hw_version.devid) {
628 case AR5416_DEVID_PCI:
629 case AR5416_DEVID_PCIE:
630 case AR5416_AR9100_DEVID:
631 case AR9160_DEVID_PCI:
632 case AR9280_DEVID_PCI:
633 case AR9280_DEVID_PCIE:
634 case AR9285_DEVID_PCIE:
635 case AR9287_DEVID_PCI:
636 case AR9287_DEVID_PCIE:
637 case AR2427_DEVID_PCIE:
638 case AR9300_DEVID_PCIE:
639 case AR9300_DEVID_AR9485_PCIE:
640 case AR9300_DEVID_AR9340:
643 if (common->bus_ops->ath_bus_type == ATH_USB)
645 ath_err(common, "Hardware device ID 0x%04x not supported\n",
646 ah->hw_version.devid);
650 ret = __ath9k_hw_init(ah);
653 "Unable to initialize hardware; initialization status: %d\n",
660 EXPORT_SYMBOL(ath9k_hw_init);
662 static void ath9k_hw_init_qos(struct ath_hw *ah)
664 ENABLE_REGWRITE_BUFFER(ah);
666 REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
667 REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
669 REG_WRITE(ah, AR_QOS_NO_ACK,
670 SM(2, AR_QOS_NO_ACK_TWO_BIT) |
671 SM(5, AR_QOS_NO_ACK_BIT_OFF) |
672 SM(0, AR_QOS_NO_ACK_BYTE_OFF));
674 REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
675 REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
676 REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
677 REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
678 REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
680 REGWRITE_BUFFER_FLUSH(ah);
683 u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah)
685 REG_CLR_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
687 REG_SET_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
689 while ((REG_READ(ah, PLL4) & PLL4_MEAS_DONE) == 0)
692 return (REG_READ(ah, PLL3) & SQSUM_DVC_MASK) >> 3;
694 EXPORT_SYMBOL(ar9003_get_pll_sqsum_dvc);
696 static void ath9k_hw_init_pll(struct ath_hw *ah,
697 struct ath9k_channel *chan)
701 if (AR_SREV_9485(ah)) {
703 /* program BB PLL ki and kd value, ki=0x4, kd=0x40 */
704 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
705 AR_CH0_BB_DPLL2_PLL_PWD, 0x1);
706 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
707 AR_CH0_DPLL2_KD, 0x40);
708 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
709 AR_CH0_DPLL2_KI, 0x4);
711 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
712 AR_CH0_BB_DPLL1_REFDIV, 0x5);
713 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
714 AR_CH0_BB_DPLL1_NINI, 0x58);
715 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
716 AR_CH0_BB_DPLL1_NFRAC, 0x0);
718 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
719 AR_CH0_BB_DPLL2_OUTDIV, 0x1);
720 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
721 AR_CH0_BB_DPLL2_LOCAL_PLL, 0x1);
722 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
723 AR_CH0_BB_DPLL2_EN_NEGTRIG, 0x1);
725 /* program BB PLL phase_shift to 0x6 */
726 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3,
727 AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x6);
729 REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
730 AR_CH0_BB_DPLL2_PLL_PWD, 0x0);
732 } else if (AR_SREV_9340(ah)) {
733 u32 regval, pll2_divint, pll2_divfrac, refdiv;
735 REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
738 REG_SET_BIT(ah, AR_PHY_PLL_MODE, 0x1 << 16);
741 if (ah->is_clk_25mhz) {
743 pll2_divfrac = 0x1eb85;
751 regval = REG_READ(ah, AR_PHY_PLL_MODE);
752 regval |= (0x1 << 16);
753 REG_WRITE(ah, AR_PHY_PLL_MODE, regval);
756 REG_WRITE(ah, AR_PHY_PLL_CONTROL, (refdiv << 27) |
757 (pll2_divint << 18) | pll2_divfrac);
760 regval = REG_READ(ah, AR_PHY_PLL_MODE);
761 regval = (regval & 0x80071fff) | (0x1 << 30) | (0x1 << 13) |
762 (0x4 << 26) | (0x18 << 19);
763 REG_WRITE(ah, AR_PHY_PLL_MODE, regval);
764 REG_WRITE(ah, AR_PHY_PLL_MODE,
765 REG_READ(ah, AR_PHY_PLL_MODE) & 0xfffeffff);
769 pll = ath9k_hw_compute_pll_control(ah, chan);
771 REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
773 if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
776 /* Switch the core clock for ar9271 to 117Mhz */
777 if (AR_SREV_9271(ah)) {
779 REG_WRITE(ah, 0x50040, 0x304);
782 udelay(RTC_PLL_SETTLE_DELAY);
784 REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
786 if (AR_SREV_9340(ah)) {
787 if (ah->is_clk_25mhz) {
788 REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
789 REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
790 REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
792 REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
793 REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
794 REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
800 static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
801 enum nl80211_iftype opmode)
803 u32 sync_default = AR_INTR_SYNC_DEFAULT;
804 u32 imr_reg = AR_IMR_TXERR |
810 if (AR_SREV_9340(ah))
811 sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
813 if (AR_SREV_9300_20_OR_LATER(ah)) {
814 imr_reg |= AR_IMR_RXOK_HP;
815 if (ah->config.rx_intr_mitigation)
816 imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
818 imr_reg |= AR_IMR_RXOK_LP;
821 if (ah->config.rx_intr_mitigation)
822 imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
824 imr_reg |= AR_IMR_RXOK;
827 if (ah->config.tx_intr_mitigation)
828 imr_reg |= AR_IMR_TXINTM | AR_IMR_TXMINTR;
830 imr_reg |= AR_IMR_TXOK;
832 if (opmode == NL80211_IFTYPE_AP)
833 imr_reg |= AR_IMR_MIB;
835 ENABLE_REGWRITE_BUFFER(ah);
837 REG_WRITE(ah, AR_IMR, imr_reg);
838 ah->imrs2_reg |= AR_IMR_S2_GTT;
839 REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
841 if (!AR_SREV_9100(ah)) {
842 REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
843 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
844 REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
847 REGWRITE_BUFFER_FLUSH(ah);
849 if (AR_SREV_9300_20_OR_LATER(ah)) {
850 REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0);
851 REG_WRITE(ah, AR_INTR_PRIO_ASYNC_MASK, 0);
852 REG_WRITE(ah, AR_INTR_PRIO_SYNC_ENABLE, 0);
853 REG_WRITE(ah, AR_INTR_PRIO_SYNC_MASK, 0);
857 static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
859 u32 val = ath9k_hw_mac_to_clks(ah, us);
860 val = min(val, (u32) 0xFFFF);
861 REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
864 static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
866 u32 val = ath9k_hw_mac_to_clks(ah, us);
867 val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
868 REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
871 static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
873 u32 val = ath9k_hw_mac_to_clks(ah, us);
874 val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
875 REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
878 static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
881 ath_dbg(ath9k_hw_common(ah), ATH_DBG_XMIT,
882 "bad global tx timeout %u\n", tu);
883 ah->globaltxtimeout = (u32) -1;
886 REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
887 ah->globaltxtimeout = tu;
892 void ath9k_hw_init_global_settings(struct ath_hw *ah)
894 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
899 ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
902 if (ah->misc_mode != 0)
903 REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode);
905 if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
910 /* As defined by IEEE 802.11-2007 17.3.8.6 */
911 slottime = ah->slottime + 3 * ah->coverage_class;
912 acktimeout = slottime + sifstime;
915 * Workaround for early ACK timeouts, add an offset to match the
916 * initval's 64us ack timeout value.
917 * This was initially only meant to work around an issue with delayed
918 * BA frames in some implementations, but it has been found to fix ACK
919 * timeout issues in other cases as well.
921 if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
922 acktimeout += 64 - sifstime - ah->slottime;
924 ath9k_hw_setslottime(ah, ah->slottime);
925 ath9k_hw_set_ack_timeout(ah, acktimeout);
926 ath9k_hw_set_cts_timeout(ah, acktimeout);
927 if (ah->globaltxtimeout != (u32) -1)
928 ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
930 EXPORT_SYMBOL(ath9k_hw_init_global_settings);
932 void ath9k_hw_deinit(struct ath_hw *ah)
934 struct ath_common *common = ath9k_hw_common(ah);
936 if (common->state < ATH_HW_INITIALIZED)
939 ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
942 ath9k_hw_rf_free_ext_banks(ah);
944 EXPORT_SYMBOL(ath9k_hw_deinit);
950 u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
952 u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
956 else if (IS_CHAN_G(chan))
964 /****************************************/
965 /* Reset and Channel Switching Routines */
966 /****************************************/
968 static inline void ath9k_hw_set_dma(struct ath_hw *ah)
970 struct ath_common *common = ath9k_hw_common(ah);
972 ENABLE_REGWRITE_BUFFER(ah);
975 * set AHB_MODE not to do cacheline prefetches
977 if (!AR_SREV_9300_20_OR_LATER(ah))
978 REG_SET_BIT(ah, AR_AHB_MODE, AR_AHB_PREFETCH_RD_EN);
981 * let mac dma reads be in 128 byte chunks
983 REG_RMW(ah, AR_TXCFG, AR_TXCFG_DMASZ_128B, AR_TXCFG_DMASZ_MASK);
985 REGWRITE_BUFFER_FLUSH(ah);
988 * Restore TX Trigger Level to its pre-reset value.
989 * The initial value depends on whether aggregation is enabled, and is
990 * adjusted whenever underruns are detected.
992 if (!AR_SREV_9300_20_OR_LATER(ah))
993 REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
995 ENABLE_REGWRITE_BUFFER(ah);
998 * let mac dma writes be in 128 byte chunks
1000 REG_RMW(ah, AR_RXCFG, AR_RXCFG_DMASZ_128B, AR_RXCFG_DMASZ_MASK);
1003 * Setup receive FIFO threshold to hold off TX activities
1005 REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
1007 if (AR_SREV_9300_20_OR_LATER(ah)) {
1008 REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1);
1009 REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1);
1011 ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize -
1012 ah->caps.rx_status_len);
1016 * reduce the number of usable entries in PCU TXBUF to avoid
1017 * wrap around issues.
1019 if (AR_SREV_9285(ah)) {
1020 /* For AR9285 the number of Fifos are reduced to half.
1021 * So set the usable tx buf size also to half to
1022 * avoid data/delimiter underruns
1024 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1025 AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
1026 } else if (!AR_SREV_9271(ah)) {
1027 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1028 AR_PCU_TXBUF_CTRL_USABLE_SIZE);
1031 REGWRITE_BUFFER_FLUSH(ah);
1033 if (AR_SREV_9300_20_OR_LATER(ah))
1034 ath9k_hw_reset_txstatus_ring(ah);
1037 static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
1039 u32 mask = AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC;
1040 u32 set = AR_STA_ID1_KSRCH_MODE;
1043 case NL80211_IFTYPE_ADHOC:
1044 case NL80211_IFTYPE_MESH_POINT:
1045 set |= AR_STA_ID1_ADHOC;
1046 REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1048 case NL80211_IFTYPE_AP:
1049 set |= AR_STA_ID1_STA_AP;
1051 case NL80211_IFTYPE_STATION:
1052 REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1055 if (!ah->is_monitoring)
1059 REG_RMW(ah, AR_STA_ID1, set, mask);
1062 void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
1063 u32 *coef_mantissa, u32 *coef_exponent)
1065 u32 coef_exp, coef_man;
1067 for (coef_exp = 31; coef_exp > 0; coef_exp--)
1068 if ((coef_scaled >> coef_exp) & 0x1)
1071 coef_exp = 14 - (coef_exp - COEF_SCALE_S);
1073 coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
1075 *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
1076 *coef_exponent = coef_exp - 16;
1079 static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
1084 if (AR_SREV_9100(ah)) {
1085 REG_RMW_FIELD(ah, AR_RTC_DERIVED_CLK,
1086 AR_RTC_DERIVED_CLK_PERIOD, 1);
1087 (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
1090 ENABLE_REGWRITE_BUFFER(ah);
1092 if (AR_SREV_9300_20_OR_LATER(ah)) {
1093 REG_WRITE(ah, AR_WA, ah->WARegVal);
1097 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1098 AR_RTC_FORCE_WAKE_ON_INT);
1100 if (AR_SREV_9100(ah)) {
1101 rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
1102 AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
1104 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
1106 (AR_INTR_SYNC_LOCAL_TIMEOUT |
1107 AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
1109 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
1112 if (!AR_SREV_9300_20_OR_LATER(ah))
1114 REG_WRITE(ah, AR_RC, val);
1116 } else if (!AR_SREV_9300_20_OR_LATER(ah))
1117 REG_WRITE(ah, AR_RC, AR_RC_AHB);
1119 rst_flags = AR_RTC_RC_MAC_WARM;
1120 if (type == ATH9K_RESET_COLD)
1121 rst_flags |= AR_RTC_RC_MAC_COLD;
1124 REG_WRITE(ah, AR_RTC_RC, rst_flags);
1126 REGWRITE_BUFFER_FLUSH(ah);
1130 REG_WRITE(ah, AR_RTC_RC, 0);
1131 if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
1132 ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
1133 "RTC stuck in MAC reset\n");
1137 if (!AR_SREV_9100(ah))
1138 REG_WRITE(ah, AR_RC, 0);
1140 if (AR_SREV_9100(ah))
1146 static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
1148 ENABLE_REGWRITE_BUFFER(ah);
1150 if (AR_SREV_9300_20_OR_LATER(ah)) {
1151 REG_WRITE(ah, AR_WA, ah->WARegVal);
1155 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1156 AR_RTC_FORCE_WAKE_ON_INT);
1158 if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
1159 REG_WRITE(ah, AR_RC, AR_RC_AHB);
1161 REG_WRITE(ah, AR_RTC_RESET, 0);
1163 REGWRITE_BUFFER_FLUSH(ah);
1165 if (!AR_SREV_9300_20_OR_LATER(ah))
1168 if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
1169 REG_WRITE(ah, AR_RC, 0);
1171 REG_WRITE(ah, AR_RTC_RESET, 1);
1173 if (!ath9k_hw_wait(ah,
1178 ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
1179 "RTC not waking up\n");
1183 return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
1186 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
1188 if (AR_SREV_9300_20_OR_LATER(ah)) {
1189 REG_WRITE(ah, AR_WA, ah->WARegVal);
1193 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1194 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1197 case ATH9K_RESET_POWER_ON:
1198 return ath9k_hw_set_reset_power_on(ah);
1199 case ATH9K_RESET_WARM:
1200 case ATH9K_RESET_COLD:
1201 return ath9k_hw_set_reset(ah, type);
1207 static bool ath9k_hw_chip_reset(struct ath_hw *ah,
1208 struct ath9k_channel *chan)
1210 if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
1211 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
1213 } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
1216 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
1219 ah->chip_fullsleep = false;
1220 ath9k_hw_init_pll(ah, chan);
1221 ath9k_hw_set_rfmode(ah, chan);
1226 static bool ath9k_hw_channel_change(struct ath_hw *ah,
1227 struct ath9k_channel *chan)
1229 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
1230 struct ath_common *common = ath9k_hw_common(ah);
1231 struct ieee80211_channel *channel = chan->chan;
1235 for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
1236 if (ath9k_hw_numtxpending(ah, qnum)) {
1237 ath_dbg(common, ATH_DBG_QUEUE,
1238 "Transmit frames pending on queue %d\n", qnum);
1243 if (!ath9k_hw_rfbus_req(ah)) {
1244 ath_err(common, "Could not kill baseband RX\n");
1248 ath9k_hw_set_channel_regs(ah, chan);
1250 r = ath9k_hw_rf_set_freq(ah, chan);
1252 ath_err(common, "Failed to set channel\n");
1255 ath9k_hw_set_clockrate(ah);
1257 ah->eep_ops->set_txpower(ah, chan,
1258 ath9k_regd_get_ctl(regulatory, chan),
1259 channel->max_antenna_gain * 2,
1260 channel->max_power * 2,
1261 min((u32) MAX_RATE_POWER,
1262 (u32) regulatory->power_limit), false);
1264 ath9k_hw_rfbus_done(ah);
1266 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1267 ath9k_hw_set_delta_slope(ah, chan);
1269 ath9k_hw_spur_mitigate_freq(ah, chan);
1274 static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
1276 u32 gpio_mask = ah->gpio_mask;
1279 for (i = 0; gpio_mask; i++, gpio_mask >>= 1) {
1280 if (!(gpio_mask & 1))
1283 ath9k_hw_cfg_output(ah, i, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
1284 ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i)));
1288 bool ath9k_hw_check_alive(struct ath_hw *ah)
1293 if (AR_SREV_9285_12_OR_LATER(ah))
1297 reg = REG_READ(ah, AR_OBS_BUS_1);
1299 if ((reg & 0x7E7FFFEF) == 0x00702400)
1302 switch (reg & 0x7E000B00) {
1310 } while (count-- > 0);
1314 EXPORT_SYMBOL(ath9k_hw_check_alive);
1316 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
1317 struct ath9k_hw_cal_data *caldata, bool bChannelChange)
1319 struct ath_common *common = ath9k_hw_common(ah);
1321 struct ath9k_channel *curchan = ah->curchan;
1327 ah->txchainmask = common->tx_chainmask;
1328 ah->rxchainmask = common->rx_chainmask;
1330 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
1333 if (curchan && !ah->chip_fullsleep)
1334 ath9k_hw_getnf(ah, curchan);
1336 ah->caldata = caldata;
1338 (chan->channel != caldata->channel ||
1339 (chan->channelFlags & ~CHANNEL_CW_INT) !=
1340 (caldata->channelFlags & ~CHANNEL_CW_INT))) {
1341 /* Operating channel changed, reset channel calibration data */
1342 memset(caldata, 0, sizeof(*caldata));
1343 ath9k_init_nfcal_hist_buffer(ah, chan);
1346 if (bChannelChange &&
1347 (ah->chip_fullsleep != true) &&
1348 (ah->curchan != NULL) &&
1349 (chan->channel != ah->curchan->channel) &&
1350 ((chan->channelFlags & CHANNEL_ALL) ==
1351 (ah->curchan->channelFlags & CHANNEL_ALL)) &&
1352 (!AR_SREV_9280(ah) || AR_DEVID_7010(ah))) {
1354 if (ath9k_hw_channel_change(ah, chan)) {
1355 ath9k_hw_loadnf(ah, ah->curchan);
1356 ath9k_hw_start_nfcal(ah, true);
1357 if (AR_SREV_9271(ah))
1358 ar9002_hw_load_ani_reg(ah, chan);
1363 saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
1364 if (saveDefAntenna == 0)
1367 macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
1369 /* For chips on which RTC reset is done, save TSF before it gets cleared */
1370 if (AR_SREV_9100(ah) ||
1371 (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)))
1372 tsf = ath9k_hw_gettsf64(ah);
1374 saveLedState = REG_READ(ah, AR_CFG_LED) &
1375 (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
1376 AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
1378 ath9k_hw_mark_phy_inactive(ah);
1380 ah->paprd_table_write_done = false;
1382 /* Only required on the first reset */
1383 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
1385 AR9271_RESET_POWER_DOWN_CONTROL,
1386 AR9271_RADIO_RF_RST);
1390 if (!ath9k_hw_chip_reset(ah, chan)) {
1391 ath_err(common, "Chip reset failed\n");
1395 /* Only required on the first reset */
1396 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
1397 ah->htc_reset_init = false;
1399 AR9271_RESET_POWER_DOWN_CONTROL,
1400 AR9271_GATE_MAC_CTL);
1406 ath9k_hw_settsf64(ah, tsf);
1408 if (AR_SREV_9280_20_OR_LATER(ah))
1409 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
1411 if (!AR_SREV_9300_20_OR_LATER(ah))
1412 ar9002_hw_enable_async_fifo(ah);
1414 r = ath9k_hw_process_ini(ah, chan);
1419 * Some AR91xx SoC devices frequently fail to accept TSF writes
1420 * right after the chip reset. When that happens, write a new
1421 * value after the initvals have been applied, with an offset
1422 * based on measured time difference
1424 if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) {
1426 ath9k_hw_settsf64(ah, tsf);
1429 /* Setup MFP options for CCMP */
1430 if (AR_SREV_9280_20_OR_LATER(ah)) {
1431 /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
1432 * frames when constructing CCMP AAD. */
1433 REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT,
1435 ah->sw_mgmt_crypto = false;
1436 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
1437 /* Disable hardware crypto for management frames */
1438 REG_CLR_BIT(ah, AR_PCU_MISC_MODE2,
1439 AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE);
1440 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
1441 AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT);
1442 ah->sw_mgmt_crypto = true;
1444 ah->sw_mgmt_crypto = true;
1446 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1447 ath9k_hw_set_delta_slope(ah, chan);
1449 ath9k_hw_spur_mitigate_freq(ah, chan);
1450 ah->eep_ops->set_board_values(ah, chan);
1452 ENABLE_REGWRITE_BUFFER(ah);
1454 REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
1455 REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
1457 | AR_STA_ID1_RTS_USE_DEF
1459 ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
1460 | ah->sta_id1_defaults);
1461 ath_hw_setbssidmask(common);
1462 REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
1463 ath9k_hw_write_associd(ah);
1464 REG_WRITE(ah, AR_ISR, ~0);
1465 REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
1467 REGWRITE_BUFFER_FLUSH(ah);
1469 ath9k_hw_set_operating_mode(ah, ah->opmode);
1471 r = ath9k_hw_rf_set_freq(ah, chan);
1475 ath9k_hw_set_clockrate(ah);
1477 ENABLE_REGWRITE_BUFFER(ah);
1479 for (i = 0; i < AR_NUM_DCU; i++)
1480 REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
1482 REGWRITE_BUFFER_FLUSH(ah);
1485 for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
1486 ath9k_hw_resettxqueue(ah, i);
1488 ath9k_hw_init_interrupt_masks(ah, ah->opmode);
1489 ath9k_hw_ani_cache_ini_regs(ah);
1490 ath9k_hw_init_qos(ah);
1492 if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
1493 ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
1495 ath9k_hw_init_global_settings(ah);
1497 if (!AR_SREV_9300_20_OR_LATER(ah)) {
1498 ar9002_hw_update_async_fifo(ah);
1499 ar9002_hw_enable_wep_aggregation(ah);
1502 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM);
1504 ath9k_hw_set_dma(ah);
1506 REG_WRITE(ah, AR_OBS, 8);
1508 if (ah->config.rx_intr_mitigation) {
1509 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
1510 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
1513 if (ah->config.tx_intr_mitigation) {
1514 REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300);
1515 REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750);
1518 ath9k_hw_init_bb(ah, chan);
1520 if (!ath9k_hw_init_cal(ah, chan))
1523 ENABLE_REGWRITE_BUFFER(ah);
1525 ath9k_hw_restore_chainmask(ah);
1526 REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
1528 REGWRITE_BUFFER_FLUSH(ah);
1531 * For big endian systems turn on swapping for descriptors
1533 if (AR_SREV_9100(ah)) {
1535 mask = REG_READ(ah, AR_CFG);
1536 if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
1537 ath_dbg(common, ATH_DBG_RESET,
1538 "CFG Byte Swap Set 0x%x\n", mask);
1541 INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
1542 REG_WRITE(ah, AR_CFG, mask);
1543 ath_dbg(common, ATH_DBG_RESET,
1544 "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
1547 if (common->bus_ops->ath_bus_type == ATH_USB) {
1548 /* Configure AR9271 target WLAN */
1549 if (AR_SREV_9271(ah))
1550 REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
1552 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
1555 else if (AR_SREV_9340(ah))
1556 REG_RMW(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB, 0);
1558 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
1562 if (ah->btcoex_hw.enabled)
1563 ath9k_hw_btcoex_enable(ah);
1565 if (AR_SREV_9300_20_OR_LATER(ah)) {
1566 ar9003_hw_bb_watchdog_config(ah);
1568 ar9003_hw_disable_phy_restart(ah);
1571 ath9k_hw_apply_gpio_override(ah);
1575 EXPORT_SYMBOL(ath9k_hw_reset);
1577 /******************************/
1578 /* Power Management (Chipset) */
1579 /******************************/
1582 * Notify Power Mgt is disabled in self-generated frames.
1583 * If requested, force chip to sleep.
1585 static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
1587 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
1590 * Clear the RTC force wake bit to allow the
1591 * mac to go to sleep.
1593 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
1594 AR_RTC_FORCE_WAKE_EN);
1595 if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
1596 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
1598 /* Shutdown chip. Active low */
1599 if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah))
1600 REG_CLR_BIT(ah, (AR_RTC_RESET),
1604 /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
1605 if (AR_SREV_9300_20_OR_LATER(ah))
1606 REG_WRITE(ah, AR_WA,
1607 ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
1611 * Notify Power Management is enabled in self-generating
1612 * frames. If request, set power mode of chip to
1613 * auto/normal. Duration in units of 128us (1/8 TU).
1615 static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
1617 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
1619 struct ath9k_hw_capabilities *pCap = &ah->caps;
1621 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
1622 /* Set WakeOnInterrupt bit; clear ForceWake bit */
1623 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1624 AR_RTC_FORCE_WAKE_ON_INT);
1627 * Clear the RTC force wake bit to allow the
1628 * mac to go to sleep.
1630 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
1631 AR_RTC_FORCE_WAKE_EN);
1635 /* Clear Bit 14 of AR_WA after putting chip into Net Sleep mode. */
1636 if (AR_SREV_9300_20_OR_LATER(ah))
1637 REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
1640 static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
1645 /* Set Bits 14 and 17 of AR_WA before powering on the chip. */
1646 if (AR_SREV_9300_20_OR_LATER(ah)) {
1647 REG_WRITE(ah, AR_WA, ah->WARegVal);
1652 if ((REG_READ(ah, AR_RTC_STATUS) &
1653 AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) {
1654 if (ath9k_hw_set_reset_reg(ah,
1655 ATH9K_RESET_POWER_ON) != true) {
1658 if (!AR_SREV_9300_20_OR_LATER(ah))
1659 ath9k_hw_init_pll(ah, NULL);
1661 if (AR_SREV_9100(ah))
1662 REG_SET_BIT(ah, AR_RTC_RESET,
1665 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
1666 AR_RTC_FORCE_WAKE_EN);
1669 for (i = POWER_UP_TIME / 50; i > 0; i--) {
1670 val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
1671 if (val == AR_RTC_STATUS_ON)
1674 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
1675 AR_RTC_FORCE_WAKE_EN);
1678 ath_err(ath9k_hw_common(ah),
1679 "Failed to wakeup in %uus\n",
1680 POWER_UP_TIME / 20);
1685 REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
1690 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
1692 struct ath_common *common = ath9k_hw_common(ah);
1693 int status = true, setChip = true;
1694 static const char *modes[] = {
1701 if (ah->power_mode == mode)
1704 ath_dbg(common, ATH_DBG_RESET, "%s -> %s\n",
1705 modes[ah->power_mode], modes[mode]);
1708 case ATH9K_PM_AWAKE:
1709 status = ath9k_hw_set_power_awake(ah, setChip);
1711 case ATH9K_PM_FULL_SLEEP:
1712 ath9k_set_power_sleep(ah, setChip);
1713 ah->chip_fullsleep = true;
1715 case ATH9K_PM_NETWORK_SLEEP:
1716 ath9k_set_power_network_sleep(ah, setChip);
1719 ath_err(common, "Unknown power mode %u\n", mode);
1722 ah->power_mode = mode;
1725 * XXX: If this warning never comes up after a while then
1726 * simply keep the ATH_DBG_WARN_ON_ONCE() but make
1727 * ath9k_hw_setpower() return type void.
1730 if (!(ah->ah_flags & AH_UNPLUGGED))
1731 ATH_DBG_WARN_ON_ONCE(!status);
1735 EXPORT_SYMBOL(ath9k_hw_setpower);
1737 /*******************/
1738 /* Beacon Handling */
1739 /*******************/
1741 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
1745 ENABLE_REGWRITE_BUFFER(ah);
1747 switch (ah->opmode) {
1748 case NL80211_IFTYPE_ADHOC:
1749 case NL80211_IFTYPE_MESH_POINT:
1750 REG_SET_BIT(ah, AR_TXCFG,
1751 AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
1752 REG_WRITE(ah, AR_NEXT_NDP_TIMER, next_beacon +
1753 TU_TO_USEC(ah->atim_window ? ah->atim_window : 1));
1754 flags |= AR_NDP_TIMER_EN;
1755 case NL80211_IFTYPE_AP:
1756 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon);
1757 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, next_beacon -
1758 TU_TO_USEC(ah->config.dma_beacon_response_time));
1759 REG_WRITE(ah, AR_NEXT_SWBA, next_beacon -
1760 TU_TO_USEC(ah->config.sw_beacon_response_time));
1762 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
1765 ath_dbg(ath9k_hw_common(ah), ATH_DBG_BEACON,
1766 "%s: unsupported opmode: %d\n",
1767 __func__, ah->opmode);
1772 REG_WRITE(ah, AR_BEACON_PERIOD, beacon_period);
1773 REG_WRITE(ah, AR_DMA_BEACON_PERIOD, beacon_period);
1774 REG_WRITE(ah, AR_SWBA_PERIOD, beacon_period);
1775 REG_WRITE(ah, AR_NDP_PERIOD, beacon_period);
1777 REGWRITE_BUFFER_FLUSH(ah);
1779 REG_SET_BIT(ah, AR_TIMER_MODE, flags);
1781 EXPORT_SYMBOL(ath9k_hw_beaconinit);
1783 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
1784 const struct ath9k_beacon_state *bs)
1786 u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
1787 struct ath9k_hw_capabilities *pCap = &ah->caps;
1788 struct ath_common *common = ath9k_hw_common(ah);
1790 ENABLE_REGWRITE_BUFFER(ah);
1792 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
1794 REG_WRITE(ah, AR_BEACON_PERIOD,
1795 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
1796 REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
1797 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
1799 REGWRITE_BUFFER_FLUSH(ah);
1801 REG_RMW_FIELD(ah, AR_RSSI_THR,
1802 AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
1804 beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
1806 if (bs->bs_sleepduration > beaconintval)
1807 beaconintval = bs->bs_sleepduration;
1809 dtimperiod = bs->bs_dtimperiod;
1810 if (bs->bs_sleepduration > dtimperiod)
1811 dtimperiod = bs->bs_sleepduration;
1813 if (beaconintval == dtimperiod)
1814 nextTbtt = bs->bs_nextdtim;
1816 nextTbtt = bs->bs_nexttbtt;
1818 ath_dbg(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
1819 ath_dbg(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
1820 ath_dbg(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
1821 ath_dbg(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
1823 ENABLE_REGWRITE_BUFFER(ah);
1825 REG_WRITE(ah, AR_NEXT_DTIM,
1826 TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
1827 REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
1829 REG_WRITE(ah, AR_SLEEP1,
1830 SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
1831 | AR_SLEEP1_ASSUME_DTIM);
1833 if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
1834 beacontimeout = (BEACON_TIMEOUT_VAL << 3);
1836 beacontimeout = MIN_BEACON_TIMEOUT_VAL;
1838 REG_WRITE(ah, AR_SLEEP2,
1839 SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
1841 REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
1842 REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
1844 REGWRITE_BUFFER_FLUSH(ah);
1846 REG_SET_BIT(ah, AR_TIMER_MODE,
1847 AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
1850 /* TSF Out of Range Threshold */
1851 REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold);
1853 EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
1855 /*******************/
1856 /* HW Capabilities */
1857 /*******************/
1859 int ath9k_hw_fill_cap_info(struct ath_hw *ah)
1861 struct ath9k_hw_capabilities *pCap = &ah->caps;
1862 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
1863 struct ath_common *common = ath9k_hw_common(ah);
1864 struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
1867 u8 ant_div_ctl1, tx_chainmask, rx_chainmask;
1869 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
1870 regulatory->current_rd = eeval;
1872 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
1873 if (AR_SREV_9285_12_OR_LATER(ah))
1874 eeval |= AR9285_RDEXT_DEFAULT;
1875 regulatory->current_rd_ext = eeval;
1877 if (ah->opmode != NL80211_IFTYPE_AP &&
1878 ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
1879 if (regulatory->current_rd == 0x64 ||
1880 regulatory->current_rd == 0x65)
1881 regulatory->current_rd += 5;
1882 else if (regulatory->current_rd == 0x41)
1883 regulatory->current_rd = 0x43;
1884 ath_dbg(common, ATH_DBG_REGULATORY,
1885 "regdomain mapped to 0x%x\n", regulatory->current_rd);
1888 eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
1889 if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
1891 "no band has been marked as supported in EEPROM\n");
1895 if (eeval & AR5416_OPFLAGS_11A)
1896 pCap->hw_caps |= ATH9K_HW_CAP_5GHZ;
1898 if (eeval & AR5416_OPFLAGS_11G)
1899 pCap->hw_caps |= ATH9K_HW_CAP_2GHZ;
1901 pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
1903 * For AR9271 we will temporarilly uses the rx chainmax as read from
1906 if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
1907 !(eeval & AR5416_OPFLAGS_11A) &&
1908 !(AR_SREV_9271(ah)))
1909 /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
1910 pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
1911 else if (AR_SREV_9100(ah))
1912 pCap->rx_chainmask = 0x7;
1914 /* Use rx_chainmask from EEPROM. */
1915 pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
1917 ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
1919 /* enable key search for every frame in an aggregate */
1920 if (AR_SREV_9300_20_OR_LATER(ah))
1921 ah->misc_mode |= AR_PCU_ALWAYS_PERFORM_KEYSEARCH;
1923 common->crypt_caps |= ATH_CRYPT_CAP_CIPHER_AESCCM;
1925 if (ah->hw_version.devid != AR2427_DEVID_PCIE)
1926 pCap->hw_caps |= ATH9K_HW_CAP_HT;
1928 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
1930 if (AR_SREV_9271(ah))
1931 pCap->num_gpio_pins = AR9271_NUM_GPIO;
1932 else if (AR_DEVID_7010(ah))
1933 pCap->num_gpio_pins = AR7010_NUM_GPIO;
1934 else if (AR_SREV_9300_20_OR_LATER(ah))
1935 pCap->num_gpio_pins = AR9300_NUM_GPIO;
1936 else if (AR_SREV_9287_11_OR_LATER(ah))
1937 pCap->num_gpio_pins = AR9287_NUM_GPIO;
1938 else if (AR_SREV_9285_12_OR_LATER(ah))
1939 pCap->num_gpio_pins = AR9285_NUM_GPIO;
1940 else if (AR_SREV_9280_20_OR_LATER(ah))
1941 pCap->num_gpio_pins = AR928X_NUM_GPIO;
1943 pCap->num_gpio_pins = AR_NUM_GPIO;
1945 if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
1946 pCap->hw_caps |= ATH9K_HW_CAP_CST;
1947 pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
1949 pCap->rts_aggr_limit = (8 * 1024);
1952 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
1953 ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT);
1954 if (ah->rfsilent & EEP_RFSILENT_ENABLED) {
1956 MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL);
1957 ah->rfkill_polarity =
1958 MS(ah->rfsilent, EEP_RFSILENT_POLARITY);
1960 pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
1963 if (AR_SREV_9271(ah) || AR_SREV_9300_20_OR_LATER(ah))
1964 pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
1966 pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
1968 if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
1969 pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
1971 pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
1973 if (common->btcoex_enabled) {
1974 if (AR_SREV_9300_20_OR_LATER(ah)) {
1975 btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
1976 btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
1977 btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
1978 btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
1979 } else if (AR_SREV_9280_20_OR_LATER(ah)) {
1980 btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
1981 btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
1983 if (AR_SREV_9285(ah)) {
1984 btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
1985 btcoex_hw->btpriority_gpio =
1986 ATH_BTPRIORITY_GPIO_9285;
1988 btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
1992 btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
1995 if (AR_SREV_9300_20_OR_LATER(ah)) {
1996 pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK;
1997 if (!AR_SREV_9485(ah))
1998 pCap->hw_caps |= ATH9K_HW_CAP_LDPC;
2000 pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
2001 pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
2002 pCap->rx_status_len = sizeof(struct ar9003_rxs);
2003 pCap->tx_desc_len = sizeof(struct ar9003_txc);
2004 pCap->txs_len = sizeof(struct ar9003_txs);
2005 if (!ah->config.paprd_disable &&
2006 ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
2007 pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
2009 pCap->tx_desc_len = sizeof(struct ath_desc);
2010 if (AR_SREV_9280_20(ah) &&
2011 ((ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) <=
2012 AR5416_EEP_MINOR_VER_16) ||
2013 ah->eep_ops->get_eeprom(ah, EEP_FSTCLK_5G)))
2014 pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK;
2017 if (AR_SREV_9300_20_OR_LATER(ah))
2018 pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
2020 if (AR_SREV_9300_20_OR_LATER(ah))
2021 ah->ent_mode = REG_READ(ah, AR_ENT_OTP);
2023 if (AR_SREV_9287_11_OR_LATER(ah) || AR_SREV_9271(ah))
2024 pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
2026 if (AR_SREV_9285(ah))
2027 if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) {
2029 ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
2030 if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1))
2031 pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
2033 if (AR_SREV_9300_20_OR_LATER(ah)) {
2034 if (ah->eep_ops->get_eeprom(ah, EEP_CHAIN_MASK_REDUCE))
2035 pCap->hw_caps |= ATH9K_HW_CAP_APM;
2039 if (AR_SREV_9485(ah)) {
2040 ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
2042 * enable the diversity-combining algorithm only when
2043 * both enable_lna_div and enable_fast_div are set
2044 * Table for Diversity
2045 * ant_div_alt_lnaconf bit 0-1
2046 * ant_div_main_lnaconf bit 2-3
2047 * ant_div_alt_gaintb bit 4
2048 * ant_div_main_gaintb bit 5
2049 * enable_ant_div_lnadiv bit 6
2050 * enable_ant_fast_div bit 7
2052 if ((ant_div_ctl1 >> 0x6) == 0x3)
2053 pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
2056 if (AR_SREV_9485_10(ah)) {
2057 pCap->pcie_lcr_extsync_en = true;
2058 pCap->pcie_lcr_offset = 0x80;
2061 tx_chainmask = pCap->tx_chainmask;
2062 rx_chainmask = pCap->rx_chainmask;
2063 while (tx_chainmask || rx_chainmask) {
2064 if (tx_chainmask & BIT(0))
2065 pCap->max_txchains++;
2066 if (rx_chainmask & BIT(0))
2067 pCap->max_rxchains++;
2076 /****************************/
2077 /* GPIO / RFKILL / Antennae */
2078 /****************************/
2080 static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah,
2084 u32 gpio_shift, tmp;
2087 addr = AR_GPIO_OUTPUT_MUX3;
2089 addr = AR_GPIO_OUTPUT_MUX2;
2091 addr = AR_GPIO_OUTPUT_MUX1;
2093 gpio_shift = (gpio % 6) * 5;
2095 if (AR_SREV_9280_20_OR_LATER(ah)
2096 || (addr != AR_GPIO_OUTPUT_MUX1)) {
2097 REG_RMW(ah, addr, (type << gpio_shift),
2098 (0x1f << gpio_shift));
2100 tmp = REG_READ(ah, addr);
2101 tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
2102 tmp &= ~(0x1f << gpio_shift);
2103 tmp |= (type << gpio_shift);
2104 REG_WRITE(ah, addr, tmp);
2108 void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
2112 BUG_ON(gpio >= ah->caps.num_gpio_pins);
2114 if (AR_DEVID_7010(ah)) {
2116 REG_RMW(ah, AR7010_GPIO_OE,
2117 (AR7010_GPIO_OE_AS_INPUT << gpio_shift),
2118 (AR7010_GPIO_OE_MASK << gpio_shift));
2122 gpio_shift = gpio << 1;
2125 (AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
2126 (AR_GPIO_OE_OUT_DRV << gpio_shift));
2128 EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input);
2130 u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
2132 #define MS_REG_READ(x, y) \
2133 (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y)))
2135 if (gpio >= ah->caps.num_gpio_pins)
2138 if (AR_DEVID_7010(ah)) {
2140 val = REG_READ(ah, AR7010_GPIO_IN);
2141 return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0;
2142 } else if (AR_SREV_9300_20_OR_LATER(ah))
2143 return (MS(REG_READ(ah, AR_GPIO_IN), AR9300_GPIO_IN_VAL) &
2144 AR_GPIO_BIT(gpio)) != 0;
2145 else if (AR_SREV_9271(ah))
2146 return MS_REG_READ(AR9271, gpio) != 0;
2147 else if (AR_SREV_9287_11_OR_LATER(ah))
2148 return MS_REG_READ(AR9287, gpio) != 0;
2149 else if (AR_SREV_9285_12_OR_LATER(ah))
2150 return MS_REG_READ(AR9285, gpio) != 0;
2151 else if (AR_SREV_9280_20_OR_LATER(ah))
2152 return MS_REG_READ(AR928X, gpio) != 0;
2154 return MS_REG_READ(AR, gpio) != 0;
2156 EXPORT_SYMBOL(ath9k_hw_gpio_get);
2158 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
2163 if (AR_DEVID_7010(ah)) {
2165 REG_RMW(ah, AR7010_GPIO_OE,
2166 (AR7010_GPIO_OE_AS_OUTPUT << gpio_shift),
2167 (AR7010_GPIO_OE_MASK << gpio_shift));
2171 ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
2172 gpio_shift = 2 * gpio;
2175 (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
2176 (AR_GPIO_OE_OUT_DRV << gpio_shift));
2178 EXPORT_SYMBOL(ath9k_hw_cfg_output);
2180 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
2182 if (AR_DEVID_7010(ah)) {
2184 REG_RMW(ah, AR7010_GPIO_OUT, ((val&1) << gpio),
2189 if (AR_SREV_9271(ah))
2192 REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
2195 EXPORT_SYMBOL(ath9k_hw_set_gpio);
2197 u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
2199 return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
2201 EXPORT_SYMBOL(ath9k_hw_getdefantenna);
2203 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
2205 REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
2207 EXPORT_SYMBOL(ath9k_hw_setantenna);
2209 /*********************/
2210 /* General Operation */
2211 /*********************/
2213 u32 ath9k_hw_getrxfilter(struct ath_hw *ah)
2215 u32 bits = REG_READ(ah, AR_RX_FILTER);
2216 u32 phybits = REG_READ(ah, AR_PHY_ERR);
2218 if (phybits & AR_PHY_ERR_RADAR)
2219 bits |= ATH9K_RX_FILTER_PHYRADAR;
2220 if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
2221 bits |= ATH9K_RX_FILTER_PHYERR;
2225 EXPORT_SYMBOL(ath9k_hw_getrxfilter);
2227 void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
2231 ENABLE_REGWRITE_BUFFER(ah);
2233 REG_WRITE(ah, AR_RX_FILTER, bits);
2236 if (bits & ATH9K_RX_FILTER_PHYRADAR)
2237 phybits |= AR_PHY_ERR_RADAR;
2238 if (bits & ATH9K_RX_FILTER_PHYERR)
2239 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
2240 REG_WRITE(ah, AR_PHY_ERR, phybits);
2243 REG_SET_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
2245 REG_CLR_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
2247 REGWRITE_BUFFER_FLUSH(ah);
2249 EXPORT_SYMBOL(ath9k_hw_setrxfilter);
2251 bool ath9k_hw_phy_disable(struct ath_hw *ah)
2253 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
2256 ath9k_hw_init_pll(ah, NULL);
2259 EXPORT_SYMBOL(ath9k_hw_phy_disable);
2261 bool ath9k_hw_disable(struct ath_hw *ah)
2263 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
2266 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD))
2269 ath9k_hw_init_pll(ah, NULL);
2272 EXPORT_SYMBOL(ath9k_hw_disable);
2274 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test)
2276 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
2277 struct ath9k_channel *chan = ah->curchan;
2278 struct ieee80211_channel *channel = chan->chan;
2280 regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER);
2282 ah->eep_ops->set_txpower(ah, chan,
2283 ath9k_regd_get_ctl(regulatory, chan),
2284 channel->max_antenna_gain * 2,
2285 channel->max_power * 2,
2286 min((u32) MAX_RATE_POWER,
2287 (u32) regulatory->power_limit), test);
2289 EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
2291 void ath9k_hw_setopmode(struct ath_hw *ah)
2293 ath9k_hw_set_operating_mode(ah, ah->opmode);
2295 EXPORT_SYMBOL(ath9k_hw_setopmode);
2297 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
2299 REG_WRITE(ah, AR_MCAST_FIL0, filter0);
2300 REG_WRITE(ah, AR_MCAST_FIL1, filter1);
2302 EXPORT_SYMBOL(ath9k_hw_setmcastfilter);
2304 void ath9k_hw_write_associd(struct ath_hw *ah)
2306 struct ath_common *common = ath9k_hw_common(ah);
2308 REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid));
2309 REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
2310 ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
2312 EXPORT_SYMBOL(ath9k_hw_write_associd);
2314 #define ATH9K_MAX_TSF_READ 10
2316 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
2318 u32 tsf_lower, tsf_upper1, tsf_upper2;
2321 tsf_upper1 = REG_READ(ah, AR_TSF_U32);
2322 for (i = 0; i < ATH9K_MAX_TSF_READ; i++) {
2323 tsf_lower = REG_READ(ah, AR_TSF_L32);
2324 tsf_upper2 = REG_READ(ah, AR_TSF_U32);
2325 if (tsf_upper2 == tsf_upper1)
2327 tsf_upper1 = tsf_upper2;
2330 WARN_ON( i == ATH9K_MAX_TSF_READ );
2332 return (((u64)tsf_upper1 << 32) | tsf_lower);
2334 EXPORT_SYMBOL(ath9k_hw_gettsf64);
2336 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
2338 REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
2339 REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
2341 EXPORT_SYMBOL(ath9k_hw_settsf64);
2343 void ath9k_hw_reset_tsf(struct ath_hw *ah)
2345 if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
2346 AH_TSF_WRITE_TIMEOUT))
2347 ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
2348 "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
2350 REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
2352 EXPORT_SYMBOL(ath9k_hw_reset_tsf);
2354 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
2357 ah->misc_mode |= AR_PCU_TX_ADD_TSF;
2359 ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
2361 EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
2363 void ath9k_hw_set11nmac2040(struct ath_hw *ah)
2365 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
2368 if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
2369 macmode = AR_2040_JOINED_RX_CLEAR;
2373 REG_WRITE(ah, AR_2040_MODE, macmode);
2376 /* HW Generic timers configuration */
2378 static const struct ath_gen_timer_configuration gen_tmr_configuration[] =
2380 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2381 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2382 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2383 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2384 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2385 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2386 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2387 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
2388 {AR_NEXT_NDP2_TIMER, AR_NDP2_PERIOD, AR_NDP2_TIMER_MODE, 0x0001},
2389 {AR_NEXT_NDP2_TIMER + 1*4, AR_NDP2_PERIOD + 1*4,
2390 AR_NDP2_TIMER_MODE, 0x0002},
2391 {AR_NEXT_NDP2_TIMER + 2*4, AR_NDP2_PERIOD + 2*4,
2392 AR_NDP2_TIMER_MODE, 0x0004},
2393 {AR_NEXT_NDP2_TIMER + 3*4, AR_NDP2_PERIOD + 3*4,
2394 AR_NDP2_TIMER_MODE, 0x0008},
2395 {AR_NEXT_NDP2_TIMER + 4*4, AR_NDP2_PERIOD + 4*4,
2396 AR_NDP2_TIMER_MODE, 0x0010},
2397 {AR_NEXT_NDP2_TIMER + 5*4, AR_NDP2_PERIOD + 5*4,
2398 AR_NDP2_TIMER_MODE, 0x0020},
2399 {AR_NEXT_NDP2_TIMER + 6*4, AR_NDP2_PERIOD + 6*4,
2400 AR_NDP2_TIMER_MODE, 0x0040},
2401 {AR_NEXT_NDP2_TIMER + 7*4, AR_NDP2_PERIOD + 7*4,
2402 AR_NDP2_TIMER_MODE, 0x0080}
2405 /* HW generic timer primitives */
2407 /* compute and clear index of rightmost 1 */
2408 static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask)
2418 return timer_table->gen_timer_index[b];
2421 u32 ath9k_hw_gettsf32(struct ath_hw *ah)
2423 return REG_READ(ah, AR_TSF_L32);
2425 EXPORT_SYMBOL(ath9k_hw_gettsf32);
2427 struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
2428 void (*trigger)(void *),
2429 void (*overflow)(void *),
2433 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
2434 struct ath_gen_timer *timer;
2436 timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL);
2438 if (timer == NULL) {
2439 ath_err(ath9k_hw_common(ah),
2440 "Failed to allocate memory for hw timer[%d]\n",
2445 /* allocate a hardware generic timer slot */
2446 timer_table->timers[timer_index] = timer;
2447 timer->index = timer_index;
2448 timer->trigger = trigger;
2449 timer->overflow = overflow;
2454 EXPORT_SYMBOL(ath_gen_timer_alloc);
2456 void ath9k_hw_gen_timer_start(struct ath_hw *ah,
2457 struct ath_gen_timer *timer,
2461 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
2462 u32 tsf, timer_next;
2464 BUG_ON(!timer_period);
2466 set_bit(timer->index, &timer_table->timer_mask.timer_bits);
2468 tsf = ath9k_hw_gettsf32(ah);
2470 timer_next = tsf + trig_timeout;
2472 ath_dbg(ath9k_hw_common(ah), ATH_DBG_HWTIMER,
2473 "current tsf %x period %x timer_next %x\n",
2474 tsf, timer_period, timer_next);
2477 * Program generic timer registers
2479 REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr,
2481 REG_WRITE(ah, gen_tmr_configuration[timer->index].period_addr,
2483 REG_SET_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
2484 gen_tmr_configuration[timer->index].mode_mask);
2486 /* Enable both trigger and thresh interrupt masks */
2487 REG_SET_BIT(ah, AR_IMR_S5,
2488 (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
2489 SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
2491 EXPORT_SYMBOL(ath9k_hw_gen_timer_start);
2493 void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
2495 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
2497 if ((timer->index < AR_FIRST_NDP_TIMER) ||
2498 (timer->index >= ATH_MAX_GEN_TIMER)) {
2502 /* Clear generic timer enable bits. */
2503 REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
2504 gen_tmr_configuration[timer->index].mode_mask);
2506 /* Disable both trigger and thresh interrupt masks */
2507 REG_CLR_BIT(ah, AR_IMR_S5,
2508 (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
2509 SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
2511 clear_bit(timer->index, &timer_table->timer_mask.timer_bits);
2513 EXPORT_SYMBOL(ath9k_hw_gen_timer_stop);
2515 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
2517 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
2519 /* free the hardware generic timer slot */
2520 timer_table->timers[timer->index] = NULL;
2523 EXPORT_SYMBOL(ath_gen_timer_free);
2526 * Generic Timer Interrupts handling
2528 void ath_gen_timer_isr(struct ath_hw *ah)
2530 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
2531 struct ath_gen_timer *timer;
2532 struct ath_common *common = ath9k_hw_common(ah);
2533 u32 trigger_mask, thresh_mask, index;
2535 /* get hardware generic timer interrupt status */
2536 trigger_mask = ah->intr_gen_timer_trigger;
2537 thresh_mask = ah->intr_gen_timer_thresh;
2538 trigger_mask &= timer_table->timer_mask.val;
2539 thresh_mask &= timer_table->timer_mask.val;
2541 trigger_mask &= ~thresh_mask;
2543 while (thresh_mask) {
2544 index = rightmost_index(timer_table, &thresh_mask);
2545 timer = timer_table->timers[index];
2547 ath_dbg(common, ATH_DBG_HWTIMER,
2548 "TSF overflow for Gen timer %d\n", index);
2549 timer->overflow(timer->arg);
2552 while (trigger_mask) {
2553 index = rightmost_index(timer_table, &trigger_mask);
2554 timer = timer_table->timers[index];
2556 ath_dbg(common, ATH_DBG_HWTIMER,
2557 "Gen timer[%d] trigger\n", index);
2558 timer->trigger(timer->arg);
2561 EXPORT_SYMBOL(ath_gen_timer_isr);
2567 void ath9k_hw_htc_resetinit(struct ath_hw *ah)
2569 ah->htc_reset_init = true;
2571 EXPORT_SYMBOL(ath9k_hw_htc_resetinit);
2576 } ath_mac_bb_names[] = {
2577 /* Devices with external radios */
2578 { AR_SREV_VERSION_5416_PCI, "5416" },
2579 { AR_SREV_VERSION_5416_PCIE, "5418" },
2580 { AR_SREV_VERSION_9100, "9100" },
2581 { AR_SREV_VERSION_9160, "9160" },
2582 /* Single-chip solutions */
2583 { AR_SREV_VERSION_9280, "9280" },
2584 { AR_SREV_VERSION_9285, "9285" },
2585 { AR_SREV_VERSION_9287, "9287" },
2586 { AR_SREV_VERSION_9271, "9271" },
2587 { AR_SREV_VERSION_9300, "9300" },
2588 { AR_SREV_VERSION_9485, "9485" },
2591 /* For devices with external radios */
2595 } ath_rf_names[] = {
2597 { AR_RAD5133_SREV_MAJOR, "5133" },
2598 { AR_RAD5122_SREV_MAJOR, "5122" },
2599 { AR_RAD2133_SREV_MAJOR, "2133" },
2600 { AR_RAD2122_SREV_MAJOR, "2122" }
2604 * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
2606 static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
2610 for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
2611 if (ath_mac_bb_names[i].version == mac_bb_version) {
2612 return ath_mac_bb_names[i].name;
2620 * Return the RF name. "????" is returned if the RF is unknown.
2621 * Used for devices with external radios.
2623 static const char *ath9k_hw_rf_name(u16 rf_version)
2627 for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
2628 if (ath_rf_names[i].version == rf_version) {
2629 return ath_rf_names[i].name;
2636 void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len)
2640 /* chipsets >= AR9280 are single-chip */
2641 if (AR_SREV_9280_20_OR_LATER(ah)) {
2642 used = snprintf(hw_name, len,
2643 "Atheros AR%s Rev:%x",
2644 ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
2645 ah->hw_version.macRev);
2648 used = snprintf(hw_name, len,
2649 "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
2650 ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
2651 ah->hw_version.macRev,
2652 ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
2653 AR_RADIO_SREV_MAJOR)),
2654 ah->hw_version.phyRev);
2657 hw_name[used] = '\0';
2659 EXPORT_SYMBOL(ath9k_hw_name);