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ath9k_hw: skip PLL initialization on AR9003 on Power-On-Reset
[deliverable/linux.git] / drivers / net / wireless / ath / ath9k / hw.c
CommitLineData
f078f209 1/*
cee075a2 2 * Copyright (c) 2008-2009 Atheros Communications Inc.
f078f209
LR		 3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/io.h>
18#include <asm/unaligned.h>
19
af03abec 20#include "hw.h"
d70357d5 21#include "hw-ops.h"
cfe8cba9 22#include "rc.h"
f078f209
LR		 23#include "initvals.h"
24
4febf7b8
LR		 25#define ATH9K_CLOCK_RATE_CCK 22
26#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
27#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
f078f209 28
d70357d5
LR		 29static void ar9002_hw_attach_ops(struct ath_hw *ah);
30
cbe61d8a 31static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
f078f209 32
7322fd19
LR		 33MODULE_AUTHOR("Atheros Communications");
34MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
35MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
36MODULE_LICENSE("Dual BSD/GPL");
37
38static int __init ath9k_init(void)
39{
40 return 0;
41}
42module_init(ath9k_init);
43
44static void __exit ath9k_exit(void)
45{
46 return;
47}
48module_exit(ath9k_exit);
49
d70357d5
LR		 50/* Private hardware callbacks */
51
52static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
53{
54 ath9k_hw_private_ops(ah)->init_cal_settings(ah);
55}
56
57static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
58{
59 ath9k_hw_private_ops(ah)->init_mode_regs(ah);
60}
61
62static bool ath9k_hw_macversion_supported(struct ath_hw *ah)
63{
64 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
65
66 return priv_ops->macversion_supported(ah->hw_version.macVersion);
67}
68
f1dc5600
S		 69/********************/
70/* Helper Functions */
71/********************/
f078f209 72
cbe61d8a 73static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
f1dc5600 74{
b002a4a9 75 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
cbe61d8a 76
2660b81a 77 if (!ah->curchan) /* should really check for CCK instead */
4febf7b8
LR		 78 return usecs *ATH9K_CLOCK_RATE_CCK;
79 if (conf->channel->band == IEEE80211_BAND_2GHZ)
80 return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
81 return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
f1dc5600
S		 82}
83
cbe61d8a 84static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
f1dc5600 85{
b002a4a9 86 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
cbe61d8a 87
4febf7b8 88 if (conf_is_ht40(conf))
f1dc5600
S		 89 return ath9k_hw_mac_clks(ah, usecs) * 2;
90 else
91 return ath9k_hw_mac_clks(ah, usecs);
92}
f078f209 93
0caa7b14 94bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
f078f209
LR		 95{
96 int i;
97
0caa7b14
S		 98 BUG_ON(timeout < AH_TIME_QUANTUM);
99
100 for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) {
f078f209
LR		 101 if ((REG_READ(ah, reg) & mask) == val)
102 return true;
103
104 udelay(AH_TIME_QUANTUM);
105 }
04bd4638 106
c46917bb
LR		 107 ath_print(ath9k_hw_common(ah), ATH_DBG_ANY,
108 "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
109 timeout, reg, REG_READ(ah, reg), mask, val);
f078f209 110
f1dc5600 111 return false;
f078f209 112}
7322fd19 113EXPORT_SYMBOL(ath9k_hw_wait);
f078f209
LR		 114
115u32 ath9k_hw_reverse_bits(u32 val, u32 n)
116{
117 u32 retval;
118 int i;
119
120 for (i = 0, retval = 0; i < n; i++) {
121 retval = (retval << 1) | (val & 1);
122 val >>= 1;
123 }
124 return retval;
125}
126
cbe61d8a 127bool ath9k_get_channel_edges(struct ath_hw *ah,
f1dc5600
S		 128 u16 flags, u16 *low,
129 u16 *high)
f078f209 130{
2660b81a 131 struct ath9k_hw_capabilities *pCap = &ah->caps;
f078f209 132
f1dc5600
S		 133 if (flags & CHANNEL_5GHZ) {
134 *low = pCap->low_5ghz_chan;
135 *high = pCap->high_5ghz_chan;
136 return true;
f078f209 137 }
f1dc5600
S		 138 if ((flags & CHANNEL_2GHZ)) {
139 *low = pCap->low_2ghz_chan;
140 *high = pCap->high_2ghz_chan;
141 return true;
142 }
143 return false;
f078f209
LR		 144}
145
cbe61d8a 146u16 ath9k_hw_computetxtime(struct ath_hw *ah,
545750d3 147 u8 phy, int kbps,
f1dc5600
S		 148 u32 frameLen, u16 rateix,
149 bool shortPreamble)
f078f209 150{
f1dc5600 151 u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
f078f209 152
f1dc5600
S		 153 if (kbps == 0)
154 return 0;
f078f209 155
545750d3 156 switch (phy) {
46d14a58 157 case WLAN_RC_PHY_CCK:
f1dc5600 158 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
545750d3 159 if (shortPreamble)
f1dc5600
S		 160 phyTime >>= 1;
161 numBits = frameLen << 3;
162 txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
163 break;
46d14a58 164 case WLAN_RC_PHY_OFDM:
2660b81a 165 if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) {
f1dc5600
S		 166 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
167 numBits = OFDM_PLCP_BITS + (frameLen << 3);
168 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
169 txTime = OFDM_SIFS_TIME_QUARTER
170 + OFDM_PREAMBLE_TIME_QUARTER
171 + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
2660b81a
S		 172 } else if (ah->curchan &&
173 IS_CHAN_HALF_RATE(ah->curchan)) {
f1dc5600
S		 174 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
175 numBits = OFDM_PLCP_BITS + (frameLen << 3);
176 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
177 txTime = OFDM_SIFS_TIME_HALF +
178 OFDM_PREAMBLE_TIME_HALF
179 + (numSymbols * OFDM_SYMBOL_TIME_HALF);
180 } else {
181 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
182 numBits = OFDM_PLCP_BITS + (frameLen << 3);
183 numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
184 txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
185 + (numSymbols * OFDM_SYMBOL_TIME);
186 }
187 break;
188 default:
c46917bb 189 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
545750d3 190 "Unknown phy %u (rate ix %u)\n", phy, rateix);
f1dc5600
S		 191 txTime = 0;
192 break;
193 }
f078f209 194
f1dc5600
S		 195 return txTime;
196}
7322fd19 197EXPORT_SYMBOL(ath9k_hw_computetxtime);
f078f209 198
cbe61d8a 199void ath9k_hw_get_channel_centers(struct ath_hw *ah,
f1dc5600
S		 200 struct ath9k_channel *chan,
201 struct chan_centers *centers)
f078f209 202{
f1dc5600 203 int8_t extoff;
f078f209 204
f1dc5600
S		 205 if (!IS_CHAN_HT40(chan)) {
206 centers->ctl_center = centers->ext_center =
207 centers->synth_center = chan->channel;
208 return;
f078f209 209 }
f078f209 210
f1dc5600
S		 211 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
212 (chan->chanmode == CHANNEL_G_HT40PLUS)) {
213 centers->synth_center =
214 chan->channel + HT40_CHANNEL_CENTER_SHIFT;
215 extoff = 1;
216 } else {
217 centers->synth_center =
218 chan->channel - HT40_CHANNEL_CENTER_SHIFT;
219 extoff = -1;
220 }
f078f209 221
f1dc5600
S		 222 centers->ctl_center =
223 centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
6420014c 224 /* 25 MHz spacing is supported by hw but not on upper layers */
f1dc5600 225 centers->ext_center =
6420014c 226 centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT);
f078f209
LR		 227}
228
f1dc5600
S		 229/******************/
230/* Chip Revisions */
231/******************/
232
cbe61d8a 233static void ath9k_hw_read_revisions(struct ath_hw *ah)
f078f209 234{
f1dc5600 235 u32 val;
f078f209 236
f1dc5600 237 val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
f078f209 238
f1dc5600
S		 239 if (val == 0xFF) {
240 val = REG_READ(ah, AR_SREV);
d535a42a
S		 241 ah->hw_version.macVersion =
242 (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
243 ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
2660b81a 244 ah->is_pciexpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
f1dc5600
S		 245 } else {
246 if (!AR_SREV_9100(ah))
d535a42a 247 ah->hw_version.macVersion = MS(val, AR_SREV_VERSION);
f078f209 248
d535a42a 249 ah->hw_version.macRev = val & AR_SREV_REVISION;
f078f209 250
d535a42a 251 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE)
2660b81a 252 ah->is_pciexpress = true;
f1dc5600 253 }
f078f209
LR		 254}
255
cbe61d8a 256static int ath9k_hw_get_radiorev(struct ath_hw *ah)
f078f209 257{
f1dc5600
S		 258 u32 val;
259 int i;
f078f209 260
f1dc5600 261 REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
f078f209 262
f1dc5600
S		 263 for (i = 0; i < 8; i++)
264 REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
265 val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
266 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
f078f209 267
f1dc5600 268 return ath9k_hw_reverse_bits(val, 8);
f078f209
LR		 269}
270
f1dc5600
S		 271/************************************/
272/* HW Attach, Detach, Init Routines */
273/************************************/
274
cbe61d8a 275static void ath9k_hw_disablepcie(struct ath_hw *ah)
f078f209 276{
feed029c 277 if (AR_SREV_9100(ah))
f1dc5600 278 return;
f078f209 279
f1dc5600
S		 280 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
281 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
282 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
283 REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
284 REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
285 REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
286 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
287 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
288 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
f078f209 289
f1dc5600 290 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
f078f209
LR		 291}
292
cbe61d8a 293static bool ath9k_hw_chip_test(struct ath_hw *ah)
f078f209 294{
c46917bb 295 struct ath_common *common = ath9k_hw_common(ah);
f1dc5600
S		 296 u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
297 u32 regHold[2];
298 u32 patternData[4] = { 0x55555555,
299 0xaaaaaaaa,
300 0x66666666,
301 0x99999999 };
302 int i, j;
f078f209 303
f1dc5600
S		 304 for (i = 0; i < 2; i++) {
305 u32 addr = regAddr[i];
306 u32 wrData, rdData;
f078f209 307
f1dc5600
S		 308 regHold[i] = REG_READ(ah, addr);
309 for (j = 0; j < 0x100; j++) {
310 wrData = (j << 16) | j;
311 REG_WRITE(ah, addr, wrData);
312 rdData = REG_READ(ah, addr);
313 if (rdData != wrData) {
c46917bb
LR		 314 ath_print(common, ATH_DBG_FATAL,
315 "address test failed "
316 "addr: 0x%08x - wr:0x%08x != "
317 "rd:0x%08x\n",
318 addr, wrData, rdData);
f1dc5600
S		 319 return false;
320 }
321 }
322 for (j = 0; j < 4; j++) {
323 wrData = patternData[j];
324 REG_WRITE(ah, addr, wrData);
325 rdData = REG_READ(ah, addr);
326 if (wrData != rdData) {
c46917bb
LR		 327 ath_print(common, ATH_DBG_FATAL,
328 "address test failed "
329 "addr: 0x%08x - wr:0x%08x != "
330 "rd:0x%08x\n",
331 addr, wrData, rdData);
f1dc5600
S		 332 return false;
333 }
f078f209 334 }
f1dc5600 335 REG_WRITE(ah, regAddr[i], regHold[i]);
f078f209 336 }
f1dc5600 337 udelay(100);
cbe61d8a 338
f078f209
LR		 339 return true;
340}
341
b8b0f377 342static void ath9k_hw_init_config(struct ath_hw *ah)
f1dc5600
S		 343{
344 int i;
f078f209 345
2660b81a
S		 346 ah->config.dma_beacon_response_time = 2;
347 ah->config.sw_beacon_response_time = 10;
348 ah->config.additional_swba_backoff = 0;
349 ah->config.ack_6mb = 0x0;
350 ah->config.cwm_ignore_extcca = 0;
351 ah->config.pcie_powersave_enable = 0;
2660b81a 352 ah->config.pcie_clock_req = 0;
2660b81a
S		 353 ah->config.pcie_waen = 0;
354 ah->config.analog_shiftreg = 1;
2660b81a
S		 355 ah->config.ofdm_trig_low = 200;
356 ah->config.ofdm_trig_high = 500;
357 ah->config.cck_trig_high = 200;
358 ah->config.cck_trig_low = 100;
359 ah->config.enable_ani = 1;
f078f209 360
f1dc5600 361 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
2660b81a
S		 362 ah->config.spurchans[i][0] = AR_NO_SPUR;
363 ah->config.spurchans[i][1] = AR_NO_SPUR;
f078f209
LR		 364 }
365
5ffaf8a3
LR		 366 if (ah->hw_version.devid != AR2427_DEVID_PCIE)
367 ah->config.ht_enable = 1;
368 else
369 ah->config.ht_enable = 0;
370
0ce024cb 371 ah->config.rx_intr_mitigation = true;
6158425b
LR		 372
373 /*
374 * We need this for PCI devices only (Cardbus, PCI, miniPCI)
375 * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
376 * This means we use it for all AR5416 devices, and the few
377 * minor PCI AR9280 devices out there.
378 *
379 * Serialization is required because these devices do not handle
380 * well the case of two concurrent reads/writes due to the latency
381 * involved. During one read/write another read/write can be issued
382 * on another CPU while the previous read/write may still be working
383 * on our hardware, if we hit this case the hardware poops in a loop.
384 * We prevent this by serializing reads and writes.
385 *
386 * This issue is not present on PCI-Express devices or pre-AR5416
387 * devices (legacy, 802.11abg).
388 */
389 if (num_possible_cpus() > 1)
2d6a5e95 390 ah->config.serialize_regmode = SER_REG_MODE_AUTO;
f078f209
LR		 391}
392
50aca25b 393static void ath9k_hw_init_defaults(struct ath_hw *ah)
f078f209 394{
608b88cb
LR		 395 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
396
397 regulatory->country_code = CTRY_DEFAULT;
398 regulatory->power_limit = MAX_RATE_POWER;
399 regulatory->tp_scale = ATH9K_TP_SCALE_MAX;
400
d535a42a 401 ah->hw_version.magic = AR5416_MAGIC;
d535a42a 402 ah->hw_version.subvendorid = 0;
f078f209
LR		 403
404 ah->ah_flags = 0;
8df5d1b7 405 if (ah->hw_version.devid == AR5416_AR9100_DEVID)
d535a42a 406 ah->hw_version.macVersion = AR_SREV_VERSION_9100;
f078f209
LR		 407 if (!AR_SREV_9100(ah))
408 ah->ah_flags = AH_USE_EEPROM;
409
2660b81a 410 ah->atim_window = 0;
2660b81a
S		 411 ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
412 ah->beacon_interval = 100;
413 ah->enable_32kHz_clock = DONT_USE_32KHZ;
414 ah->slottime = (u32) -1;
2660b81a 415 ah->globaltxtimeout = (u32) -1;
cbdec975 416 ah->power_mode = ATH9K_PM_UNDEFINED;
f078f209
LR		 417}
418
cbe61d8a 419static int ath9k_hw_rf_claim(struct ath_hw *ah)
f078f209 420{
f1dc5600
S		 421 u32 val;
422
423 REG_WRITE(ah, AR_PHY(0), 0x00000007);
424
425 val = ath9k_hw_get_radiorev(ah);
426 switch (val & AR_RADIO_SREV_MAJOR) {
427 case 0:
428 val = AR_RAD5133_SREV_MAJOR;
429 break;
430 case AR_RAD5133_SREV_MAJOR:
431 case AR_RAD5122_SREV_MAJOR:
432 case AR_RAD2133_SREV_MAJOR:
433 case AR_RAD2122_SREV_MAJOR:
434 break;
f078f209 435 default:
c46917bb
LR		 436 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
437 "Radio Chip Rev 0x%02X not supported\n",
438 val & AR_RADIO_SREV_MAJOR);
f1dc5600 439 return -EOPNOTSUPP;
f078f209 440 }
f078f209 441
d535a42a 442 ah->hw_version.analog5GhzRev = val;
f078f209 443
f1dc5600 444 return 0;
f078f209
LR		 445}
446
cbe61d8a 447static int ath9k_hw_init_macaddr(struct ath_hw *ah)
f078f209 448{
1510718d 449 struct ath_common *common = ath9k_hw_common(ah);
f078f209
LR		 450 u32 sum;
451 int i;
452 u16 eeval;
f078f209
LR		 453
454 sum = 0;
455 for (i = 0; i < 3; i++) {
f74df6fb 456 eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
f078f209 457 sum += eeval;
1510718d
LR		 458 common->macaddr[2 * i] = eeval >> 8;
459 common->macaddr[2 * i + 1] = eeval & 0xff;
f078f209 460 }
d8baa939 461 if (sum == 0 || sum == 0xffff * 3)
f078f209 462 return -EADDRNOTAVAIL;
f078f209
LR		 463
464 return 0;
465}
466
cbe61d8a 467static void ath9k_hw_init_rxgain_ini(struct ath_hw *ah)
9f804202
SB		 468{
469 u32 rxgain_type;
9f804202 470
f74df6fb
S		 471 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_17) {
472 rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
9f804202
SB		 473
474 if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
2660b81a 475 INIT_INI_ARRAY(&ah->iniModesRxGain,
9f804202
SB		 476 ar9280Modes_backoff_13db_rxgain_9280_2,
477 ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
478 else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
2660b81a 479 INIT_INI_ARRAY(&ah->iniModesRxGain,
9f804202
SB		 480 ar9280Modes_backoff_23db_rxgain_9280_2,
481 ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
482 else
2660b81a 483 INIT_INI_ARRAY(&ah->iniModesRxGain,
9f804202
SB		 484 ar9280Modes_original_rxgain_9280_2,
485 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
cbe61d8a 486 } else {
2660b81a 487 INIT_INI_ARRAY(&ah->iniModesRxGain,
9f804202
SB		 488 ar9280Modes_original_rxgain_9280_2,
489 ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
cbe61d8a 490 }
9f804202
SB		 491}
492
cbe61d8a 493static void ath9k_hw_init_txgain_ini(struct ath_hw *ah)
9f804202
SB		 494{
495 u32 txgain_type;
9f804202 496
f74df6fb
S		 497 if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_19) {
498 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
9f804202
SB		 499
500 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
2660b81a 501 INIT_INI_ARRAY(&ah->iniModesTxGain,
9f804202
SB		 502 ar9280Modes_high_power_tx_gain_9280_2,
503 ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
504 else
2660b81a 505 INIT_INI_ARRAY(&ah->iniModesTxGain,
9f804202
SB		 506 ar9280Modes_original_tx_gain_9280_2,
507 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
cbe61d8a 508 } else {
2660b81a 509 INIT_INI_ARRAY(&ah->iniModesTxGain,
9f804202
SB		 510 ar9280Modes_original_tx_gain_9280_2,
511 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
cbe61d8a 512 }
9f804202
SB		 513}
514
f637cfd6 515static int ath9k_hw_post_init(struct ath_hw *ah)
f078f209 516{
f1dc5600 517 int ecode;
f078f209 518
527d485f
S		 519 if (!AR_SREV_9271(ah)) {
520 if (!ath9k_hw_chip_test(ah))
521 return -ENODEV;
522 }
f078f209 523
f1dc5600
S		 524 ecode = ath9k_hw_rf_claim(ah);
525 if (ecode != 0)
f078f209 526 return ecode;
f078f209 527
f637cfd6 528 ecode = ath9k_hw_eeprom_init(ah);
f1dc5600
S		 529 if (ecode != 0)
530 return ecode;
7d01b221 531
c46917bb
LR		 532 ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG,
533 "Eeprom VER: %d, REV: %d\n",
534 ah->eep_ops->get_eeprom_ver(ah),
535 ah->eep_ops->get_eeprom_rev(ah));
7d01b221 536
8fe65368
LR		 537 ecode = ath9k_hw_rf_alloc_ext_banks(ah);
538 if (ecode) {
539 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
540 "Failed allocating banks for "
541 "external radio\n");
542 return ecode;
574d6b12 543 }
f078f209 544
f1dc5600
S		 545 if (!AR_SREV_9100(ah)) {
546 ath9k_hw_ani_setup(ah);
f637cfd6 547 ath9k_hw_ani_init(ah);
f078f209
LR		 548 }
549
f078f209
LR		 550 return 0;
551}
552
d70357d5 553static bool ar9002_hw_macversion_supported(u32 macversion)
f9d4a668
LR		 554{
555 switch (macversion) {
556 case AR_SREV_VERSION_5416_PCI:
557 case AR_SREV_VERSION_5416_PCIE:
558 case AR_SREV_VERSION_9160:
559 case AR_SREV_VERSION_9100:
560 case AR_SREV_VERSION_9280:
561 case AR_SREV_VERSION_9285:
562 case AR_SREV_VERSION_9287:
d7e7d229 563 case AR_SREV_VERSION_9271:
7976b426 564 return true;
f9d4a668
LR		 565 default:
566 break;
567 }
568 return false;
569}
570
d70357d5 571static void ar9002_hw_init_cal_settings(struct ath_hw *ah)
f078f209 572{
f1dc5600
S		 573 if (AR_SREV_9160_10_OR_LATER(ah)) {
574 if (AR_SREV_9280_10_OR_LATER(ah)) {
2660b81a
S		 575 ah->iq_caldata.calData = &iq_cal_single_sample;
576 ah->adcgain_caldata.calData =
f1dc5600 577 &adc_gain_cal_single_sample;
2660b81a 578 ah->adcdc_caldata.calData =
f1dc5600 579 &adc_dc_cal_single_sample;
2660b81a 580 ah->adcdc_calinitdata.calData =
f1dc5600
S		 581 &adc_init_dc_cal;
582 } else {
2660b81a
S		 583 ah->iq_caldata.calData = &iq_cal_multi_sample;
584 ah->adcgain_caldata.calData =
f1dc5600 585 &adc_gain_cal_multi_sample;
2660b81a 586 ah->adcdc_caldata.calData =
f1dc5600 587 &adc_dc_cal_multi_sample;
2660b81a 588 ah->adcdc_calinitdata.calData =
f1dc5600
S		 589 &adc_init_dc_cal;
590 }
2660b81a 591 ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
f1dc5600 592 }
aa4058ae 593}
f078f209 594
d70357d5 595static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
aa4058ae 596{
d7e7d229 597 if (AR_SREV_9271(ah)) {
8564328d
LR		 598 INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
599 ARRAY_SIZE(ar9271Modes_9271), 6);
600 INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
601 ARRAY_SIZE(ar9271Common_9271), 2);
70807e99
S		 602 INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
603 ar9271Common_normal_cck_fir_coeff_9271,
604 ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
605 INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
606 ar9271Common_japan_2484_cck_fir_coeff_9271,
607 ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
8564328d
LR		 608 INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
609 ar9271Modes_9271_1_0_only,
610 ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
70807e99
S		 611 INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
612 ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
613 INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
614 ar9271Modes_high_power_tx_gain_9271,
615 ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
616 INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
617 ar9271Modes_normal_power_tx_gain_9271,
618 ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
d7e7d229
LR		 619 return;
620 }
621
ac88b6ec
VN		 622 if (AR_SREV_9287_11_OR_LATER(ah)) {
623 INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
624 ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
625 INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
626 ARRAY_SIZE(ar9287Common_9287_1_1), 2);
627 if (ah->config.pcie_clock_req)
628 INIT_INI_ARRAY(&ah->iniPcieSerdes,
629 ar9287PciePhy_clkreq_off_L1_9287_1_1,
630 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
631 else
632 INIT_INI_ARRAY(&ah->iniPcieSerdes,
633 ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
634 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
635 2);
636 } else if (AR_SREV_9287_10_OR_LATER(ah)) {
637 INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_0,
638 ARRAY_SIZE(ar9287Modes_9287_1_0), 6);
639 INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_0,
640 ARRAY_SIZE(ar9287Common_9287_1_0), 2);
641
642 if (ah->config.pcie_clock_req)
643 INIT_INI_ARRAY(&ah->iniPcieSerdes,
644 ar9287PciePhy_clkreq_off_L1_9287_1_0,
645 ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_0), 2);
646 else
647 INIT_INI_ARRAY(&ah->iniPcieSerdes,
648 ar9287PciePhy_clkreq_always_on_L1_9287_1_0,
649 ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_0),
650 2);
651 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
f078f209 652
4e845168 653
2660b81a 654 INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
e7594072 655 ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
2660b81a 656 INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
e7594072
SB		 657 ARRAY_SIZE(ar9285Common_9285_1_2), 2);
658
2660b81a
S		 659 if (ah->config.pcie_clock_req) {
660 INIT_INI_ARRAY(&ah->iniPcieSerdes,
e7594072
SB		 661 ar9285PciePhy_clkreq_off_L1_9285_1_2,
662 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
663 } else {
2660b81a 664 INIT_INI_ARRAY(&ah->iniPcieSerdes,
e7594072
SB		 665 ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
666 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
667 2);
668 }
669 } else if (AR_SREV_9285_10_OR_LATER(ah)) {
2660b81a 670 INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285,
e7594072 671 ARRAY_SIZE(ar9285Modes_9285), 6);
2660b81a 672 INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285,
e7594072
SB		 673 ARRAY_SIZE(ar9285Common_9285), 2);
674
2660b81a
S		 675 if (ah->config.pcie_clock_req) {
676 INIT_INI_ARRAY(&ah->iniPcieSerdes,
e7594072
SB		 677 ar9285PciePhy_clkreq_off_L1_9285,
678 ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285), 2);
679 } else {
2660b81a 680 INIT_INI_ARRAY(&ah->iniPcieSerdes,
e7594072
SB		 681 ar9285PciePhy_clkreq_always_on_L1_9285,
682 ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285), 2);
683 }
684 } else if (AR_SREV_9280_20_OR_LATER(ah)) {
2660b81a 685 INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
f1dc5600 686 ARRAY_SIZE(ar9280Modes_9280_2), 6);
2660b81a 687 INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
f1dc5600 688 ARRAY_SIZE(ar9280Common_9280_2), 2);
f078f209 689
2660b81a
S		 690 if (ah->config.pcie_clock_req) {
691 INIT_INI_ARRAY(&ah->iniPcieSerdes,
f1dc5600
S		 692 ar9280PciePhy_clkreq_off_L1_9280,
693 ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280),2);
694 } else {
2660b81a 695 INIT_INI_ARRAY(&ah->iniPcieSerdes,
f1dc5600
S		 696 ar9280PciePhy_clkreq_always_on_L1_9280,
697 ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
698 }
2660b81a 699 INIT_INI_ARRAY(&ah->iniModesAdditional,
f1dc5600
S		 700 ar9280Modes_fast_clock_9280_2,
701 ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
702 } else if (AR_SREV_9280_10_OR_LATER(ah)) {
2660b81a 703 INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280,
f1dc5600 704 ARRAY_SIZE(ar9280Modes_9280), 6);
2660b81a 705 INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280,
f1dc5600
S		 706 ARRAY_SIZE(ar9280Common_9280), 2);
707 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
2660b81a 708 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
f1dc5600 709 ARRAY_SIZE(ar5416Modes_9160), 6);
2660b81a 710 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
f1dc5600 711 ARRAY_SIZE(ar5416Common_9160), 2);
2660b81a 712 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
f1dc5600 713 ARRAY_SIZE(ar5416Bank0_9160), 2);
2660b81a 714 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
f1dc5600 715 ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
2660b81a 716 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
f1dc5600 717 ARRAY_SIZE(ar5416Bank1_9160), 2);
2660b81a 718 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
f1dc5600 719 ARRAY_SIZE(ar5416Bank2_9160), 2);
2660b81a 720 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
f1dc5600 721 ARRAY_SIZE(ar5416Bank3_9160), 3);
2660b81a 722 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
f1dc5600 723 ARRAY_SIZE(ar5416Bank6_9160), 3);
2660b81a 724 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
f1dc5600 725 ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
2660b81a 726 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
f1dc5600
S		 727 ARRAY_SIZE(ar5416Bank7_9160), 2);
728 if (AR_SREV_9160_11(ah)) {
2660b81a 729 INIT_INI_ARRAY(&ah->iniAddac,
f1dc5600
S		 730 ar5416Addac_91601_1,
731 ARRAY_SIZE(ar5416Addac_91601_1), 2);
732 } else {
2660b81a 733 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
f1dc5600
S		 734 ARRAY_SIZE(ar5416Addac_9160), 2);
735 }
736 } else if (AR_SREV_9100_OR_LATER(ah)) {
2660b81a 737 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
f1dc5600 738 ARRAY_SIZE(ar5416Modes_9100), 6);
2660b81a 739 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
f1dc5600 740 ARRAY_SIZE(ar5416Common_9100), 2);
2660b81a 741 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
f1dc5600 742 ARRAY_SIZE(ar5416Bank0_9100), 2);
2660b81a 743 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
f1dc5600 744 ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
2660b81a 745 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
f1dc5600 746 ARRAY_SIZE(ar5416Bank1_9100), 2);
2660b81a 747 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
f1dc5600 748 ARRAY_SIZE(ar5416Bank2_9100), 2);
2660b81a 749 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
f1dc5600 750 ARRAY_SIZE(ar5416Bank3_9100), 3);
2660b81a 751 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
f1dc5600 752 ARRAY_SIZE(ar5416Bank6_9100), 3);
2660b81a 753 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
f1dc5600 754 ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
2660b81a 755 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
f1dc5600 756 ARRAY_SIZE(ar5416Bank7_9100), 2);
2660b81a 757 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
f1dc5600
S		 758 ARRAY_SIZE(ar5416Addac_9100), 2);
759 } else {
2660b81a 760 INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
f1dc5600 761 ARRAY_SIZE(ar5416Modes), 6);
2660b81a 762 INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
f1dc5600 763 ARRAY_SIZE(ar5416Common), 2);
2660b81a 764 INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
f1dc5600 765 ARRAY_SIZE(ar5416Bank0), 2);
2660b81a 766 INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
f1dc5600 767 ARRAY_SIZE(ar5416BB_RfGain), 3);
2660b81a 768 INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
f1dc5600 769 ARRAY_SIZE(ar5416Bank1), 2);
2660b81a 770 INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
f1dc5600 771 ARRAY_SIZE(ar5416Bank2), 2);
2660b81a 772 INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
f1dc5600 773 ARRAY_SIZE(ar5416Bank3), 3);
2660b81a 774 INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
f1dc5600 775 ARRAY_SIZE(ar5416Bank6), 3);
2660b81a 776 INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
f1dc5600 777 ARRAY_SIZE(ar5416Bank6TPC), 3);
2660b81a 778 INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
f1dc5600 779 ARRAY_SIZE(ar5416Bank7), 2);
2660b81a 780 INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
f1dc5600 781 ARRAY_SIZE(ar5416Addac), 2);
f078f209 782 }
aa4058ae 783}
f078f209 784
aa4058ae
LR		 785static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
786{
b37fa870 787 if (AR_SREV_9287_11_OR_LATER(ah))
ac88b6ec
VN		 788 INIT_INI_ARRAY(&ah->iniModesRxGain,
789 ar9287Modes_rx_gain_9287_1_1,
790 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
791 else if (AR_SREV_9287_10(ah))
792 INIT_INI_ARRAY(&ah->iniModesRxGain,
793 ar9287Modes_rx_gain_9287_1_0,
794 ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_0), 6);
795 else if (AR_SREV_9280_20(ah))
796 ath9k_hw_init_rxgain_ini(ah);
797
b37fa870 798 if (AR_SREV_9287_11_OR_LATER(ah)) {
ac88b6ec
VN		 799 INIT_INI_ARRAY(&ah->iniModesTxGain,
800 ar9287Modes_tx_gain_9287_1_1,
801 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
802 } else if (AR_SREV_9287_10(ah)) {
803 INIT_INI_ARRAY(&ah->iniModesTxGain,
804 ar9287Modes_tx_gain_9287_1_0,
805 ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_0), 6);
806 } else if (AR_SREV_9280_20(ah)) {
807 ath9k_hw_init_txgain_ini(ah);
808 } else if (AR_SREV_9285_12_OR_LATER(ah)) {
4e845168
SB		 809 u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
810
811 /* txgain table */
812 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
53bc7aa0
VN		 813 if (AR_SREV_9285E_20(ah)) {
814 INIT_INI_ARRAY(&ah->iniModesTxGain,
815 ar9285Modes_XE2_0_high_power,
816 ARRAY_SIZE(
817 ar9285Modes_XE2_0_high_power), 6);
818 } else {
819 INIT_INI_ARRAY(&ah->iniModesTxGain,
820 ar9285Modes_high_power_tx_gain_9285_1_2,
821 ARRAY_SIZE(
822 ar9285Modes_high_power_tx_gain_9285_1_2), 6);
823 }
4e845168 824 } else {
53bc7aa0
VN		 825 if (AR_SREV_9285E_20(ah)) {
826 INIT_INI_ARRAY(&ah->iniModesTxGain,
827 ar9285Modes_XE2_0_normal_power,
828 ARRAY_SIZE(
829 ar9285Modes_XE2_0_normal_power), 6);
830 } else {
831 INIT_INI_ARRAY(&ah->iniModesTxGain,
832 ar9285Modes_original_tx_gain_9285_1_2,
833 ARRAY_SIZE(
834 ar9285Modes_original_tx_gain_9285_1_2), 6);
835 }
4e845168 836 }
4e845168 837 }
aa4058ae 838}
4e845168 839
aa8bc9ef 840static void ath9k_hw_init_eeprom_fix(struct ath_hw *ah)
aa4058ae 841{
2eb46d9b
PR		 842 struct base_eep_header *pBase = &(ah->eeprom.def.baseEepHeader);
843 struct ath_common *common = ath9k_hw_common(ah);
f078f209 844
2eb46d9b
PR		 845 ah->need_an_top2_fixup = (ah->hw_version.devid == AR9280_DEVID_PCI) &&
846 (ah->eep_map != EEP_MAP_4KBITS) &&
847 ((pBase->version & 0xff) > 0x0a) &&
848 (pBase->pwdclkind == 0);
f078f209 849
2eb46d9b
PR		 850 if (ah->need_an_top2_fixup)
851 ath_print(common, ATH_DBG_EEPROM,
852 "needs fixup for AR_AN_TOP2 register\n");
aa4058ae
LR		 853}
854
d70357d5
LR		 855/* Called for all hardware families */
856static int __ath9k_hw_init(struct ath_hw *ah)
aa4058ae 857{
c46917bb 858 struct ath_common *common = ath9k_hw_common(ah);
95fafca2 859 int r = 0;
aa4058ae 860
aa4058ae
LR		 861 ath9k_hw_init_defaults(ah);
862 ath9k_hw_init_config(ah);
863
864 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
c46917bb
LR		 865 ath_print(common, ATH_DBG_FATAL,
866 "Couldn't reset chip\n");
95fafca2 867 return -EIO;
aa4058ae
LR		 868 }
869
d70357d5
LR		 870 ar9002_hw_attach_ops(ah);
871
9ecdef4b 872 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
c46917bb 873 ath_print(common, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
95fafca2 874 return -EIO;
aa4058ae
LR		 875 }
876
877 if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
878 if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
879 (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
880 ah->config.serialize_regmode =
881 SER_REG_MODE_ON;
882 } else {
883 ah->config.serialize_regmode =
884 SER_REG_MODE_OFF;
885 }
886 }
887
c46917bb 888 ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
aa4058ae
LR		 889 ah->config.serialize_regmode);
890
f4709fdf
LR		 891 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
892 ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
893 else
894 ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
895
d70357d5 896 if (!ath9k_hw_macversion_supported(ah)) {
c46917bb
LR		 897 ath_print(common, ATH_DBG_FATAL,
898 "Mac Chip Rev 0x%02x.%x is not supported by "
899 "this driver\n", ah->hw_version.macVersion,
900 ah->hw_version.macRev);
95fafca2 901 return -EOPNOTSUPP;
aa4058ae
LR		 902 }
903
904 if (AR_SREV_9100(ah)) {
905 ah->iq_caldata.calData = &iq_cal_multi_sample;
906 ah->supp_cals = IQ_MISMATCH_CAL;
907 ah->is_pciexpress = false;
908 }
d7e7d229
LR		 909
910 if (AR_SREV_9271(ah))
911 ah->is_pciexpress = false;
912
aa4058ae 913 ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
aa4058ae
LR		 914 ath9k_hw_init_cal_settings(ah);
915
916 ah->ani_function = ATH9K_ANI_ALL;
8fe65368 917 if (AR_SREV_9280_10_OR_LATER(ah))
aa4058ae
LR		 918 ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
919
920 ath9k_hw_init_mode_regs(ah);
921
922 if (ah->is_pciexpress)
93b1b37f 923 ath9k_hw_configpcipowersave(ah, 0, 0);
aa4058ae
LR		 924 else
925 ath9k_hw_disablepcie(ah);
926
193cd458
S		 927 /* Support for Japan ch.14 (2484) spread */
928 if (AR_SREV_9287_11_OR_LATER(ah)) {
929 INIT_INI_ARRAY(&ah->iniCckfirNormal,
930 ar9287Common_normal_cck_fir_coeff_92871_1,
931 ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_92871_1), 2);
932 INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
933 ar9287Common_japan_2484_cck_fir_coeff_92871_1,
934 ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_92871_1), 2);
935 }
936
f637cfd6 937 r = ath9k_hw_post_init(ah);
aa4058ae 938 if (r)
95fafca2 939 return r;
aa4058ae
LR		 940
941 ath9k_hw_init_mode_gain_regs(ah);
a9a29ce6
GJ		 942 r = ath9k_hw_fill_cap_info(ah);
943 if (r)
944 return r;
945
aa8bc9ef 946 ath9k_hw_init_eeprom_fix(ah);
f6688cd8 947
4f3acf81
LR		 948 r = ath9k_hw_init_macaddr(ah);
949 if (r) {
c46917bb
LR		 950 ath_print(common, ATH_DBG_FATAL,
951 "Failed to initialize MAC address\n");
95fafca2 952 return r;
f078f209
LR		 953 }
954
d7e7d229 955 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
2660b81a 956 ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
f1dc5600 957 else
2660b81a 958 ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
f078f209 959
f1dc5600 960 ath9k_init_nfcal_hist_buffer(ah);
f078f209 961
211f5859
LR		 962 common->state = ATH_HW_INITIALIZED;
963
4f3acf81 964 return 0;
f078f209
LR		 965}
966
d70357d5
LR		 967int ath9k_hw_init(struct ath_hw *ah)
968{
969 int ret;
970 struct ath_common *common = ath9k_hw_common(ah);
971
972 /* These are all the AR5008/AR9001/AR9002 hardware family of chipsets */
973 switch (ah->hw_version.devid) {
974 case AR5416_DEVID_PCI:
975 case AR5416_DEVID_PCIE:
976 case AR5416_AR9100_DEVID:
977 case AR9160_DEVID_PCI:
978 case AR9280_DEVID_PCI:
979 case AR9280_DEVID_PCIE:
980 case AR9285_DEVID_PCIE:
981 case AR5416_DEVID_AR9287_PCI:
982 case AR5416_DEVID_AR9287_PCIE:
983 case AR2427_DEVID_PCIE:
984 break;
985 default:
986 if (common->bus_ops->ath_bus_type == ATH_USB)
987 break;
988 ath_print(common, ATH_DBG_FATAL,
989 "Hardware device ID 0x%04x not supported\n",
990 ah->hw_version.devid);
991 return -EOPNOTSUPP;
992 }
993
994 ret = __ath9k_hw_init(ah);
995 if (ret) {
996 ath_print(common, ATH_DBG_FATAL,
997 "Unable to initialize hardware; "
998 "initialization status: %d\n", ret);
999 return ret;
1000 }
1001
1002 return 0;
1003}
1004EXPORT_SYMBOL(ath9k_hw_init);
1005
cbe61d8a 1006static void ath9k_hw_init_qos(struct ath_hw *ah)
f078f209 1007{
f1dc5600
S		 1008 REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
1009 REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
f078f209 1010
f1dc5600
S		 1011 REG_WRITE(ah, AR_QOS_NO_ACK,
1012 SM(2, AR_QOS_NO_ACK_TWO_BIT) |
1013 SM(5, AR_QOS_NO_ACK_BIT_OFF) |
1014 SM(0, AR_QOS_NO_ACK_BYTE_OFF));
1015
1016 REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
1017 REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
1018 REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
1019 REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
1020 REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
f078f209
LR		 1021}
1022
cbe61d8a 1023static void ath9k_hw_init_pll(struct ath_hw *ah,
f1dc5600 1024 struct ath9k_channel *chan)
f078f209 1025{
f1dc5600 1026 u32 pll;
f078f209 1027
f1dc5600
S		 1028 if (AR_SREV_9100(ah)) {
1029 if (chan && IS_CHAN_5GHZ(chan))
1030 pll = 0x1450;
f078f209 1031 else
f1dc5600
S		 1032 pll = 0x1458;
1033 } else {
1034 if (AR_SREV_9280_10_OR_LATER(ah)) {
1035 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
f078f209 1036
f1dc5600
S		 1037 if (chan && IS_CHAN_HALF_RATE(chan))
1038 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1039 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1040 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
f078f209 1041
f1dc5600
S		 1042 if (chan && IS_CHAN_5GHZ(chan)) {
1043 pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
f078f209 1044
f078f209 1045
f1dc5600
S		 1046 if (AR_SREV_9280_20(ah)) {
1047 if (((chan->channel % 20) == 0)
1048 || ((chan->channel % 10) == 0))
1049 pll = 0x2850;
1050 else
1051 pll = 0x142c;
1052 }
1053 } else {
1054 pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
1055 }
f078f209 1056
f1dc5600 1057 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
f078f209 1058
f1dc5600 1059 pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
f078f209 1060
f1dc5600
S		 1061 if (chan && IS_CHAN_HALF_RATE(chan))
1062 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
1063 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1064 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
f078f209 1065
f1dc5600
S		 1066 if (chan && IS_CHAN_5GHZ(chan))
1067 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
1068 else
1069 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
1070 } else {
1071 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
f078f209 1072
f1dc5600
S		 1073 if (chan && IS_CHAN_HALF_RATE(chan))
1074 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1075 else if (chan && IS_CHAN_QUARTER_RATE(chan))
1076 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
f078f209 1077
f1dc5600
S		 1078 if (chan && IS_CHAN_5GHZ(chan))
1079 pll |= SM(0xa, AR_RTC_PLL_DIV);
1080 else
1081 pll |= SM(0xb, AR_RTC_PLL_DIV);
1082 }
1083 }
d03a66c1 1084 REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
f078f209 1085
c75724d1
LR		 1086 /* Switch the core clock for ar9271 to 117Mhz */
1087 if (AR_SREV_9271(ah)) {
25e2ab17
S		 1088 udelay(500);
1089 REG_WRITE(ah, 0x50040, 0x304);
c75724d1
LR		 1090 }
1091
f1dc5600
S		 1092 udelay(RTC_PLL_SETTLE_DELAY);
1093
1094 REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
f078f209
LR		 1095}
1096
cbe61d8a 1097static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
d97809db 1098 enum nl80211_iftype opmode)
f078f209 1099{
152d530d 1100 u32 imr_reg = AR_IMR_TXERR |
f1dc5600
S		 1101 AR_IMR_TXURN |
1102 AR_IMR_RXERR |
1103 AR_IMR_RXORN |
1104 AR_IMR_BCNMISC;
f078f209 1105
0ce024cb 1106 if (ah->config.rx_intr_mitigation)
152d530d 1107 imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
f078f209 1108 else
152d530d 1109 imr_reg |= AR_IMR_RXOK;
f078f209 1110
152d530d 1111 imr_reg |= AR_IMR_TXOK;
f078f209 1112
d97809db 1113 if (opmode == NL80211_IFTYPE_AP)
152d530d 1114 imr_reg |= AR_IMR_MIB;
f078f209 1115
152d530d 1116 REG_WRITE(ah, AR_IMR, imr_reg);
74bad5cb
PR		 1117 ah->imrs2_reg |= AR_IMR_S2_GTT;
1118 REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
f078f209 1119
f1dc5600
S		 1120 if (!AR_SREV_9100(ah)) {
1121 REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
1122 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
1123 REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
1124 }
f078f209
LR		 1125}
1126
0005baf4 1127static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
f078f209 1128{
0005baf4
FF		 1129 u32 val = ath9k_hw_mac_to_clks(ah, us);
1130 val = min(val, (u32) 0xFFFF);
1131 REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
f078f209
LR		 1132}
1133
0005baf4 1134static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
f078f209 1135{
0005baf4
FF		 1136 u32 val = ath9k_hw_mac_to_clks(ah, us);
1137 val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
1138 REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
1139}
1140
1141static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
1142{
1143 u32 val = ath9k_hw_mac_to_clks(ah, us);
1144 val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
1145 REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
f078f209 1146}
f1dc5600 1147
cbe61d8a 1148static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
f078f209 1149{
f078f209 1150 if (tu > 0xFFFF) {
c46917bb
LR		 1151 ath_print(ath9k_hw_common(ah), ATH_DBG_XMIT,
1152 "bad global tx timeout %u\n", tu);
2660b81a 1153 ah->globaltxtimeout = (u32) -1;
f078f209
LR		 1154 return false;
1155 } else {
1156 REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
2660b81a 1157 ah->globaltxtimeout = tu;
f078f209
LR		 1158 return true;
1159 }
1160}
1161
0005baf4 1162void ath9k_hw_init_global_settings(struct ath_hw *ah)
f078f209 1163{
0005baf4
FF		 1164 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
1165 int acktimeout;
e239d859 1166 int slottime;
0005baf4
FF		 1167 int sifstime;
1168
c46917bb
LR		 1169 ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
1170 ah->misc_mode);
f078f209 1171
2660b81a 1172 if (ah->misc_mode != 0)
f1dc5600 1173 REG_WRITE(ah, AR_PCU_MISC,
2660b81a 1174 REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
0005baf4
FF		 1175
1176 if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
1177 sifstime = 16;
1178 else
1179 sifstime = 10;
1180
e239d859
FF		 1181 /* As defined by IEEE 802.11-2007 17.3.8.6 */
1182 slottime = ah->slottime + 3 * ah->coverage_class;
1183 acktimeout = slottime + sifstime;
42c4568a
FF		 1184
1185 /*
1186 * Workaround for early ACK timeouts, add an offset to match the
1187 * initval's 64us ack timeout value.
1188 * This was initially only meant to work around an issue with delayed
1189 * BA frames in some implementations, but it has been found to fix ACK
1190 * timeout issues in other cases as well.
1191 */
1192 if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
1193 acktimeout += 64 - sifstime - ah->slottime;
1194
e239d859 1195 ath9k_hw_setslottime(ah, slottime);
0005baf4
FF		 1196 ath9k_hw_set_ack_timeout(ah, acktimeout);
1197 ath9k_hw_set_cts_timeout(ah, acktimeout);
2660b81a
S		 1198 if (ah->globaltxtimeout != (u32) -1)
1199 ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
f1dc5600 1200}
0005baf4 1201EXPORT_SYMBOL(ath9k_hw_init_global_settings);
f1dc5600 1202
285f2dda 1203void ath9k_hw_deinit(struct ath_hw *ah)
f1dc5600 1204{
211f5859
LR		 1205 struct ath_common *common = ath9k_hw_common(ah);
1206
736b3a27 1207 if (common->state < ATH_HW_INITIALIZED)
211f5859
LR		 1208 goto free_hw;
1209
f1dc5600 1210 if (!AR_SREV_9100(ah))
e70c0cfd 1211 ath9k_hw_ani_disable(ah);
f1dc5600 1212
9ecdef4b 1213 ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
211f5859
LR		 1214
1215free_hw:
8fe65368 1216 ath9k_hw_rf_free_ext_banks(ah);
f1dc5600 1217}
285f2dda 1218EXPORT_SYMBOL(ath9k_hw_deinit);
f1dc5600 1219
f1dc5600
S		 1220/*******/
1221/* INI */
1222/*******/
1223
8fe65368 1224u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
3a702e49
BC		 1225{
1226 u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
1227
1228 if (IS_CHAN_B(chan))
1229 ctl |= CTL_11B;
1230 else if (IS_CHAN_G(chan))
1231 ctl |= CTL_11G;
1232 else
1233 ctl |= CTL_11A;
1234
1235 return ctl;
1236}
1237
f1dc5600
S		 1238/****************************************/
1239/* Reset and Channel Switching Routines */
1240/****************************************/
1241
cbe61d8a 1242static inline void ath9k_hw_set_dma(struct ath_hw *ah)
f1dc5600
S		 1243{
1244 u32 regval;
1245
d7e7d229
LR		 1246 /*
1247 * set AHB_MODE not to do cacheline prefetches
1248 */
f1dc5600
S		 1249 regval = REG_READ(ah, AR_AHB_MODE);
1250 REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
1251
d7e7d229
LR		 1252 /*
1253 * let mac dma reads be in 128 byte chunks
1254 */
f1dc5600
S		 1255 regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
1256 REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
1257
d7e7d229
LR		 1258 /*
1259 * Restore TX Trigger Level to its pre-reset value.
1260 * The initial value depends on whether aggregation is enabled, and is
1261 * adjusted whenever underruns are detected.
1262 */
2660b81a 1263 REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
f1dc5600 1264
d7e7d229
LR		 1265 /*
1266 * let mac dma writes be in 128 byte chunks
1267 */
f1dc5600
S		 1268 regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
1269 REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
1270
d7e7d229
LR		 1271 /*
1272 * Setup receive FIFO threshold to hold off TX activities
1273 */
f1dc5600
S		 1274 REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
1275
d7e7d229
LR		 1276 /*
1277 * reduce the number of usable entries in PCU TXBUF to avoid
1278 * wrap around issues.
1279 */
f1dc5600 1280 if (AR_SREV_9285(ah)) {
d7e7d229
LR		 1281 /* For AR9285 the number of Fifos are reduced to half.
1282 * So set the usable tx buf size also to half to
1283 * avoid data/delimiter underruns
1284 */
f1dc5600
S		 1285 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1286 AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
d7e7d229 1287 } else if (!AR_SREV_9271(ah)) {
f1dc5600
S		 1288 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1289 AR_PCU_TXBUF_CTRL_USABLE_SIZE);
1290 }
1291}
1292
cbe61d8a 1293static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
f1dc5600
S		 1294{
1295 u32 val;
1296
1297 val = REG_READ(ah, AR_STA_ID1);
1298 val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
1299 switch (opmode) {
d97809db 1300 case NL80211_IFTYPE_AP:
f1dc5600
S		 1301 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
1302 | AR_STA_ID1_KSRCH_MODE);
1303 REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
f078f209 1304 break;
d97809db 1305 case NL80211_IFTYPE_ADHOC:
9cb5412b 1306 case NL80211_IFTYPE_MESH_POINT:
f1dc5600
S		 1307 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
1308 | AR_STA_ID1_KSRCH_MODE);
1309 REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
f078f209 1310 break;
d97809db
CM		 1311 case NL80211_IFTYPE_STATION:
1312 case NL80211_IFTYPE_MONITOR:
f1dc5600 1313 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
f078f209 1314 break;
f1dc5600
S		 1315 }
1316}
1317
8fe65368
LR		 1318void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
1319 u32 *coef_mantissa, u32 *coef_exponent)
f1dc5600
S		 1320{
1321 u32 coef_exp, coef_man;
1322
1323 for (coef_exp = 31; coef_exp > 0; coef_exp--)
1324 if ((coef_scaled >> coef_exp) & 0x1)
1325 break;
1326
1327 coef_exp = 14 - (coef_exp - COEF_SCALE_S);
1328
1329 coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
1330
1331 *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
1332 *coef_exponent = coef_exp - 16;
1333}
1334
cbe61d8a 1335static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
f1dc5600
S		 1336{
1337 u32 rst_flags;
1338 u32 tmpReg;
1339
70768496
S		 1340 if (AR_SREV_9100(ah)) {
1341 u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK);
1342 val &= ~AR_RTC_DERIVED_CLK_PERIOD;
1343 val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD);
1344 REG_WRITE(ah, AR_RTC_DERIVED_CLK, val);
1345 (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
1346 }
1347
f1dc5600
S		 1348 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1349 AR_RTC_FORCE_WAKE_ON_INT);
1350
1351 if (AR_SREV_9100(ah)) {
1352 rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
1353 AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
1354 } else {
1355 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
1356 if (tmpReg &
1357 (AR_INTR_SYNC_LOCAL_TIMEOUT |
1358 AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
42d5bc3f 1359 u32 val;
f1dc5600 1360 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
42d5bc3f
LR		 1361
1362 val = AR_RC_HOSTIF;
1363 if (!AR_SREV_9300_20_OR_LATER(ah))
1364 val |= AR_RC_AHB;
1365 REG_WRITE(ah, AR_RC, val);
1366
1367 } else if (!AR_SREV_9300_20_OR_LATER(ah))
f1dc5600 1368 REG_WRITE(ah, AR_RC, AR_RC_AHB);
f1dc5600
S		 1369
1370 rst_flags = AR_RTC_RC_MAC_WARM;
1371 if (type == ATH9K_RESET_COLD)
1372 rst_flags |= AR_RTC_RC_MAC_COLD;
1373 }
1374
d03a66c1 1375 REG_WRITE(ah, AR_RTC_RC, rst_flags);
f1dc5600
S		 1376 udelay(50);
1377
d03a66c1 1378 REG_WRITE(ah, AR_RTC_RC, 0);
0caa7b14 1379 if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
c46917bb
LR		 1380 ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
1381 "RTC stuck in MAC reset\n");
f1dc5600
S		 1382 return false;
1383 }
1384
1385 if (!AR_SREV_9100(ah))
1386 REG_WRITE(ah, AR_RC, 0);
1387
f1dc5600
S		 1388 if (AR_SREV_9100(ah))
1389 udelay(50);
1390
1391 return true;
1392}
1393
cbe61d8a 1394static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
f1dc5600
S		 1395{
1396 REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1397 AR_RTC_FORCE_WAKE_ON_INT);
1398
42d5bc3f 1399 if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
1c29ce67
VT		 1400 REG_WRITE(ah, AR_RC, AR_RC_AHB);
1401
d03a66c1 1402 REG_WRITE(ah, AR_RTC_RESET, 0);
8bd1d07f 1403 udelay(2);
1c29ce67
VT		 1404
1405 if (!AR_SREV_9100(ah))
1406 REG_WRITE(ah, AR_RC, 0);
1407
d03a66c1 1408 REG_WRITE(ah, AR_RTC_RESET, 1);
f1dc5600
S		 1409
1410 if (!ath9k_hw_wait(ah,
1411 AR_RTC_STATUS,
1412 AR_RTC_STATUS_M,
0caa7b14
S		 1413 AR_RTC_STATUS_ON,
1414 AH_WAIT_TIMEOUT)) {
c46917bb
LR		 1415 ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
1416 "RTC not waking up\n");
f1dc5600 1417 return false;
f078f209
LR		 1418 }
1419
f1dc5600
S		 1420 ath9k_hw_read_revisions(ah);
1421
1422 return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
1423}
1424
cbe61d8a 1425static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
f1dc5600
S		 1426{
1427 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1428 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1429
1430 switch (type) {
1431 case ATH9K_RESET_POWER_ON:
1432 return ath9k_hw_set_reset_power_on(ah);
f1dc5600
S		 1433 case ATH9K_RESET_WARM:
1434 case ATH9K_RESET_COLD:
1435 return ath9k_hw_set_reset(ah, type);
f1dc5600
S		 1436 default:
1437 return false;
1438 }
f078f209
LR		 1439}
1440
cbe61d8a 1441static bool ath9k_hw_chip_reset(struct ath_hw *ah,
f1dc5600 1442 struct ath9k_channel *chan)
f078f209 1443{
42abfbee 1444 if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
8bd1d07f
SB		 1445 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
1446 return false;
1447 } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
f1dc5600 1448 return false;
f078f209 1449
9ecdef4b 1450 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
f1dc5600 1451 return false;
f078f209 1452
2660b81a 1453 ah->chip_fullsleep = false;
f1dc5600 1454 ath9k_hw_init_pll(ah, chan);
f1dc5600 1455 ath9k_hw_set_rfmode(ah, chan);
f078f209 1456
f1dc5600 1457 return true;
f078f209
LR		 1458}
1459
cbe61d8a 1460static bool ath9k_hw_channel_change(struct ath_hw *ah,
25c56eec 1461 struct ath9k_channel *chan)
f078f209 1462{
608b88cb 1463 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
c46917bb 1464 struct ath_common *common = ath9k_hw_common(ah);
5f8e077c 1465 struct ieee80211_channel *channel = chan->chan;
8fe65368 1466 u32 qnum;
0a3b7bac 1467 int r;
f078f209
LR		 1468
1469 for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
1470 if (ath9k_hw_numtxpending(ah, qnum)) {
c46917bb
LR		 1471 ath_print(common, ATH_DBG_QUEUE,
1472 "Transmit frames pending on "
1473 "queue %d\n", qnum);
f078f209
LR		 1474 return false;
1475 }
1476 }
1477
8fe65368 1478 if (!ath9k_hw_rfbus_req(ah)) {
c46917bb
LR		 1479 ath_print(common, ATH_DBG_FATAL,
1480 "Could not kill baseband RX\n");
f078f209
LR		 1481 return false;
1482 }
1483
8fe65368 1484 ath9k_hw_set_channel_regs(ah, chan);
f078f209 1485
8fe65368 1486 r = ath9k_hw_rf_set_freq(ah, chan);
0a3b7bac
LR		 1487 if (r) {
1488 ath_print(common, ATH_DBG_FATAL,
1489 "Failed to set channel\n");
1490 return false;
f078f209
LR		 1491 }
1492
8fbff4b8 1493 ah->eep_ops->set_txpower(ah, chan,
608b88cb 1494 ath9k_regd_get_ctl(regulatory, chan),
f74df6fb
S		 1495 channel->max_antenna_gain * 2,
1496 channel->max_power * 2,
1497 min((u32) MAX_RATE_POWER,
608b88cb 1498 (u32) regulatory->power_limit));
f078f209 1499
8fe65368 1500 ath9k_hw_rfbus_done(ah);
f078f209 1501
f1dc5600
S		 1502 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1503 ath9k_hw_set_delta_slope(ah, chan);
1504
8fe65368 1505 ath9k_hw_spur_mitigate_freq(ah, chan);
f1dc5600
S		 1506
1507 if (!chan->oneTimeCalsDone)
1508 chan->oneTimeCalsDone = true;
1509
1510 return true;
1511}
1512
cbe61d8a 1513int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ae8d2858 1514 bool bChannelChange)
f078f209 1515{
1510718d 1516 struct ath_common *common = ath9k_hw_common(ah);
f078f209 1517 u32 saveLedState;
2660b81a 1518 struct ath9k_channel *curchan = ah->curchan;
f078f209
LR		 1519 u32 saveDefAntenna;
1520 u32 macStaId1;
46fe782c 1521 u64 tsf = 0;
8fe65368 1522 int i, r;
f078f209 1523
43c27613
LR		 1524 ah->txchainmask = common->tx_chainmask;
1525 ah->rxchainmask = common->rx_chainmask;
f078f209 1526
9ecdef4b 1527 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
ae8d2858 1528 return -EIO;
f078f209 1529
9ebef799 1530 if (curchan && !ah->chip_fullsleep)
f078f209
LR		 1531 ath9k_hw_getnf(ah, curchan);
1532
1533 if (bChannelChange &&
2660b81a
S		 1534 (ah->chip_fullsleep != true) &&
1535 (ah->curchan != NULL) &&
1536 (chan->channel != ah->curchan->channel) &&
f078f209 1537 ((chan->channelFlags & CHANNEL_ALL) ==
2660b81a 1538 (ah->curchan->channelFlags & CHANNEL_ALL)) &&
0a475cc6
VT		 1539 !(AR_SREV_9280(ah) || IS_CHAN_A_5MHZ_SPACED(chan) ||
1540 IS_CHAN_A_5MHZ_SPACED(ah->curchan))) {
f078f209 1541
25c56eec 1542 if (ath9k_hw_channel_change(ah, chan)) {
2660b81a 1543 ath9k_hw_loadnf(ah, ah->curchan);
f078f209 1544 ath9k_hw_start_nfcal(ah);
ae8d2858 1545 return 0;
f078f209
LR		 1546 }
1547 }
1548
1549 saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
1550 if (saveDefAntenna == 0)
1551 saveDefAntenna = 1;
1552
1553 macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
1554
46fe782c
S		 1555 /* For chips on which RTC reset is done, save TSF before it gets cleared */
1556 if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
1557 tsf = ath9k_hw_gettsf64(ah);
1558
f078f209
LR		 1559 saveLedState = REG_READ(ah, AR_CFG_LED) &
1560 (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
1561 AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
1562
1563 ath9k_hw_mark_phy_inactive(ah);
1564
05020d23 1565 /* Only required on the first reset */
d7e7d229
LR		 1566 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
1567 REG_WRITE(ah,
1568 AR9271_RESET_POWER_DOWN_CONTROL,
1569 AR9271_RADIO_RF_RST);
1570 udelay(50);
1571 }
1572
f078f209 1573 if (!ath9k_hw_chip_reset(ah, chan)) {
c46917bb 1574 ath_print(common, ATH_DBG_FATAL, "Chip reset failed\n");
ae8d2858 1575 return -EINVAL;
f078f209
LR		 1576 }
1577
05020d23 1578 /* Only required on the first reset */
d7e7d229
LR		 1579 if (AR_SREV_9271(ah) && ah->htc_reset_init) {
1580 ah->htc_reset_init = false;
1581 REG_WRITE(ah,
1582 AR9271_RESET_POWER_DOWN_CONTROL,
1583 AR9271_GATE_MAC_CTL);
1584 udelay(50);
1585 }
1586
46fe782c
S		 1587 /* Restore TSF */
1588 if (tsf && AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
1589 ath9k_hw_settsf64(ah, tsf);
1590
369391db
VT		 1591 if (AR_SREV_9280_10_OR_LATER(ah))
1592 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
f078f209 1593
25c56eec 1594 r = ath9k_hw_process_ini(ah, chan);
ae8d2858
LR		 1595 if (r)
1596 return r;
f078f209 1597
0ced0e17
JM		 1598 /* Setup MFP options for CCMP */
1599 if (AR_SREV_9280_20_OR_LATER(ah)) {
1600 /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
1601 * frames when constructing CCMP AAD. */
1602 REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT,
1603 0xc7ff);
1604 ah->sw_mgmt_crypto = false;
1605 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
1606 /* Disable hardware crypto for management frames */
1607 REG_CLR_BIT(ah, AR_PCU_MISC_MODE2,
1608 AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE);
1609 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
1610 AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT);
1611 ah->sw_mgmt_crypto = true;
1612 } else
1613 ah->sw_mgmt_crypto = true;
1614
f078f209
LR		 1615 if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1616 ath9k_hw_set_delta_slope(ah, chan);
1617
8fe65368 1618 ath9k_hw_spur_mitigate_freq(ah, chan);
d6509151 1619 ah->eep_ops->set_board_values(ah, chan);
a7765828 1620
1510718d
LR		 1621 REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
1622 REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
f078f209
LR		 1623 | macStaId1
1624 | AR_STA_ID1_RTS_USE_DEF
2660b81a 1625 | (ah->config.
60b67f51 1626 ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
2660b81a
S		 1627 | ah->sta_id1_defaults);
1628 ath9k_hw_set_operating_mode(ah, ah->opmode);
f078f209 1629
13b81559 1630 ath_hw_setbssidmask(common);
f078f209
LR		 1631
1632 REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
1633
3453ad88 1634 ath9k_hw_write_associd(ah);
f078f209
LR		 1635
1636 REG_WRITE(ah, AR_ISR, ~0);
1637
1638 REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
1639
8fe65368 1640 r = ath9k_hw_rf_set_freq(ah, chan);
0a3b7bac
LR		 1641 if (r)
1642 return r;
f078f209
LR		 1643
1644 for (i = 0; i < AR_NUM_DCU; i++)
1645 REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
1646
2660b81a
S		 1647 ah->intr_txqs = 0;
1648 for (i = 0; i < ah->caps.total_queues; i++)
f078f209
LR		 1649 ath9k_hw_resettxqueue(ah, i);
1650
2660b81a 1651 ath9k_hw_init_interrupt_masks(ah, ah->opmode);
f078f209
LR		 1652 ath9k_hw_init_qos(ah);
1653
2660b81a 1654 if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
500c064d 1655 ath9k_enable_rfkill(ah);
3b319aae 1656
0005baf4 1657 ath9k_hw_init_global_settings(ah);
f078f209 1658
326bebbc 1659 if (AR_SREV_9287_12_OR_LATER(ah)) {
ac88b6ec
VN		 1660 REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
1661 AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
1662 REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
1663 AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
1664 REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
1665 AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
1666
1667 REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
1668 REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
1669
1670 REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
1671 AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
1672 REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
1673 AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
1674 }
326bebbc 1675 if (AR_SREV_9287_12_OR_LATER(ah)) {
ac88b6ec
VN		 1676 REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
1677 AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
1678 }
1679
f078f209
LR		 1680 REG_WRITE(ah, AR_STA_ID1,
1681 REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
1682
1683 ath9k_hw_set_dma(ah);
1684
1685 REG_WRITE(ah, AR_OBS, 8);
1686
0ce024cb 1687 if (ah->config.rx_intr_mitigation) {
f078f209
LR		 1688 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
1689 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
1690 }
1691
1692 ath9k_hw_init_bb(ah, chan);
1693
ae8d2858 1694 if (!ath9k_hw_init_cal(ah, chan))
6badaaf7 1695 return -EIO;
f078f209 1696
8fe65368 1697 ath9k_hw_restore_chainmask(ah);
f078f209
LR		 1698 REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
1699
d7e7d229
LR		 1700 /*
1701 * For big endian systems turn on swapping for descriptors
1702 */
f078f209
LR		 1703 if (AR_SREV_9100(ah)) {
1704 u32 mask;
1705 mask = REG_READ(ah, AR_CFG);
1706 if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
c46917bb 1707 ath_print(common, ATH_DBG_RESET,
04bd4638 1708 "CFG Byte Swap Set 0x%x\n", mask);
f078f209
LR		 1709 } else {
1710 mask =
1711 INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
1712 REG_WRITE(ah, AR_CFG, mask);
c46917bb 1713 ath_print(common, ATH_DBG_RESET,
04bd4638 1714 "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
f078f209
LR		 1715 }
1716 } else {
d7e7d229
LR		 1717 /* Configure AR9271 target WLAN */
1718 if (AR_SREV_9271(ah))
1719 REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
f078f209 1720#ifdef __BIG_ENDIAN
d7e7d229
LR		 1721 else
1722 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
f078f209
LR		 1723#endif
1724 }
1725
766ec4a9 1726 if (ah->btcoex_hw.enabled)
42cc41ed
VT		 1727 ath9k_hw_btcoex_enable(ah);
1728
ae8d2858 1729 return 0;
f078f209 1730}
7322fd19 1731EXPORT_SYMBOL(ath9k_hw_reset);
f078f209 1732
f1dc5600
S		 1733/************************/
1734/* Key Cache Management */
1735/************************/
f078f209 1736
cbe61d8a 1737bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
f078f209 1738{
f1dc5600 1739 u32 keyType;
f078f209 1740
2660b81a 1741 if (entry >= ah->caps.keycache_size) {
c46917bb
LR		 1742 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
1743 "keychache entry %u out of range\n", entry);
f078f209
LR		 1744 return false;
1745 }
1746
f1dc5600 1747 keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
f078f209 1748
f1dc5600
S		 1749 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
1750 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
1751 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
1752 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
1753 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
1754 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
1755 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
1756 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
f078f209 1757
f1dc5600
S		 1758 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
1759 u16 micentry = entry + 64;
f078f209 1760
f1dc5600
S		 1761 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
1762 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
1763 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
1764 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
f078f209 1765
f078f209
LR		 1766 }
1767
f078f209
LR		 1768 return true;
1769}
7322fd19 1770EXPORT_SYMBOL(ath9k_hw_keyreset);
f078f209 1771
cbe61d8a 1772bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
f078f209 1773{
f1dc5600 1774 u32 macHi, macLo;
f078f209 1775
2660b81a 1776 if (entry >= ah->caps.keycache_size) {
c46917bb
LR		 1777 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
1778 "keychache entry %u out of range\n", entry);
f1dc5600 1779 return false;
f078f209
LR		 1780 }
1781
f1dc5600
S		 1782 if (mac != NULL) {
1783 macHi = (mac[5] << 8) | mac[4];
1784 macLo = (mac[3] << 24) |
1785 (mac[2] << 16) |
1786 (mac[1] << 8) |
1787 mac[0];
1788 macLo >>= 1;
1789 macLo |= (macHi & 1) << 31;
1790 macHi >>= 1;
f078f209 1791 } else {
f1dc5600 1792 macLo = macHi = 0;
f078f209 1793 }
f1dc5600
S		 1794 REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
1795 REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
f078f209 1796
f1dc5600 1797 return true;
f078f209 1798}
7322fd19 1799EXPORT_SYMBOL(ath9k_hw_keysetmac);
f078f209 1800
cbe61d8a 1801bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
f1dc5600 1802 const struct ath9k_keyval *k,
e0caf9ea 1803 const u8 *mac)
f078f209 1804{
2660b81a 1805 const struct ath9k_hw_capabilities *pCap = &ah->caps;
c46917bb 1806 struct ath_common *common = ath9k_hw_common(ah);
f1dc5600
S		 1807 u32 key0, key1, key2, key3, key4;
1808 u32 keyType;
f078f209 1809
f1dc5600 1810 if (entry >= pCap->keycache_size) {
c46917bb
LR		 1811 ath_print(common, ATH_DBG_FATAL,
1812 "keycache entry %u out of range\n", entry);
f1dc5600 1813 return false;
f078f209
LR		 1814 }
1815
f1dc5600
S		 1816 switch (k->kv_type) {
1817 case ATH9K_CIPHER_AES_OCB:
1818 keyType = AR_KEYTABLE_TYPE_AES;
1819 break;
1820 case ATH9K_CIPHER_AES_CCM:
1821 if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
c46917bb
LR		 1822 ath_print(common, ATH_DBG_ANY,
1823 "AES-CCM not supported by mac rev 0x%x\n",
1824 ah->hw_version.macRev);
f1dc5600
S		 1825 return false;
1826 }
1827 keyType = AR_KEYTABLE_TYPE_CCM;
1828 break;
1829 case ATH9K_CIPHER_TKIP:
1830 keyType = AR_KEYTABLE_TYPE_TKIP;
1831 if (ATH9K_IS_MIC_ENABLED(ah)
1832 && entry + 64 >= pCap->keycache_size) {
c46917bb
LR		 1833 ath_print(common, ATH_DBG_ANY,
1834 "entry %u inappropriate for TKIP\n", entry);
f1dc5600
S		 1835 return false;
1836 }
1837 break;
1838 case ATH9K_CIPHER_WEP:
e31a16d6 1839 if (k->kv_len < WLAN_KEY_LEN_WEP40) {
c46917bb
LR		 1840 ath_print(common, ATH_DBG_ANY,
1841 "WEP key length %u too small\n", k->kv_len);
f1dc5600
S		 1842 return false;
1843 }
e31a16d6 1844 if (k->kv_len <= WLAN_KEY_LEN_WEP40)
f1dc5600 1845 keyType = AR_KEYTABLE_TYPE_40;
e31a16d6 1846 else if (k->kv_len <= WLAN_KEY_LEN_WEP104)
f1dc5600
S		 1847 keyType = AR_KEYTABLE_TYPE_104;
1848 else
1849 keyType = AR_KEYTABLE_TYPE_128;
1850 break;
1851 case ATH9K_CIPHER_CLR:
1852 keyType = AR_KEYTABLE_TYPE_CLR;
1853 break;
1854 default:
c46917bb
LR		 1855 ath_print(common, ATH_DBG_FATAL,
1856 "cipher %u not supported\n", k->kv_type);
f1dc5600 1857 return false;
f078f209
LR		 1858 }
1859
e0caf9ea
JM		 1860 key0 = get_unaligned_le32(k->kv_val + 0);
1861 key1 = get_unaligned_le16(k->kv_val + 4);
1862 key2 = get_unaligned_le32(k->kv_val + 6);
1863 key3 = get_unaligned_le16(k->kv_val + 10);
1864 key4 = get_unaligned_le32(k->kv_val + 12);
e31a16d6 1865 if (k->kv_len <= WLAN_KEY_LEN_WEP104)
f1dc5600 1866 key4 &= 0xff;
f078f209 1867
672903b3
JM		 1868 /*
1869 * Note: Key cache registers access special memory area that requires
1870 * two 32-bit writes to actually update the values in the internal
1871 * memory. Consequently, the exact order and pairs used here must be
1872 * maintained.
1873 */
1874
f1dc5600
S		 1875 if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
1876 u16 micentry = entry + 64;
f078f209 1877
672903b3
JM		 1878 /*
1879 * Write inverted key[47:0] first to avoid Michael MIC errors
1880 * on frames that could be sent or received at the same time.
1881 * The correct key will be written in the end once everything
1882 * else is ready.
1883 */
f1dc5600
S		 1884 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
1885 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
672903b3
JM		 1886
1887 /* Write key[95:48] */
f1dc5600
S		 1888 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
1889 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
672903b3
JM		 1890
1891 /* Write key[127:96] and key type */
f1dc5600
S		 1892 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
1893 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
672903b3
JM		 1894
1895 /* Write MAC address for the entry */
f1dc5600 1896 (void) ath9k_hw_keysetmac(ah, entry, mac);
f078f209 1897
2660b81a 1898 if (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) {
672903b3
JM		 1899 /*
1900 * TKIP uses two key cache entries:
1901 * Michael MIC TX/RX keys in the same key cache entry
1902 * (idx = main index + 64):
1903 * key0 [31:0] = RX key [31:0]
1904 * key1 [15:0] = TX key [31:16]
1905 * key1 [31:16] = reserved
1906 * key2 [31:0] = RX key [63:32]
1907 * key3 [15:0] = TX key [15:0]
1908 * key3 [31:16] = reserved
1909 * key4 [31:0] = TX key [63:32]
1910 */
f1dc5600 1911 u32 mic0, mic1, mic2, mic3, mic4;
f078f209 1912
f1dc5600
S		 1913 mic0 = get_unaligned_le32(k->kv_mic + 0);
1914 mic2 = get_unaligned_le32(k->kv_mic + 4);
1915 mic1 = get_unaligned_le16(k->kv_txmic + 2) & 0xffff;
1916 mic3 = get_unaligned_le16(k->kv_txmic + 0) & 0xffff;
1917 mic4 = get_unaligned_le32(k->kv_txmic + 4);
672903b3
JM		 1918
1919 /* Write RX[31:0] and TX[31:16] */
f1dc5600
S		 1920 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
1921 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), mic1);
672903b3
JM		 1922
1923 /* Write RX[63:32] and TX[15:0] */
f1dc5600
S		 1924 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
1925 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), mic3);
672903b3
JM		 1926
1927 /* Write TX[63:32] and keyType(reserved) */
f1dc5600
S		 1928 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), mic4);
1929 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
1930 AR_KEYTABLE_TYPE_CLR);
f078f209 1931
f1dc5600 1932 } else {
672903b3
JM		 1933 /*
1934 * TKIP uses four key cache entries (two for group
1935 * keys):
1936 * Michael MIC TX/RX keys are in different key cache
1937 * entries (idx = main index + 64 for TX and
1938 * main index + 32 + 96 for RX):
1939 * key0 [31:0] = TX/RX MIC key [31:0]
1940 * key1 [31:0] = reserved
1941 * key2 [31:0] = TX/RX MIC key [63:32]
1942 * key3 [31:0] = reserved
1943 * key4 [31:0] = reserved
1944 *
1945 * Upper layer code will call this function separately
1946 * for TX and RX keys when these registers offsets are
1947 * used.
1948 */
f1dc5600 1949 u32 mic0, mic2;
f078f209 1950
f1dc5600
S		 1951 mic0 = get_unaligned_le32(k->kv_mic + 0);
1952 mic2 = get_unaligned_le32(k->kv_mic + 4);
672903b3
JM		 1953
1954 /* Write MIC key[31:0] */
f1dc5600
S		 1955 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
1956 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
672903b3
JM		 1957
1958 /* Write MIC key[63:32] */
f1dc5600
S		 1959 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
1960 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
672903b3
JM		 1961
1962 /* Write TX[63:32] and keyType(reserved) */
f1dc5600
S		 1963 REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
1964 REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
1965 AR_KEYTABLE_TYPE_CLR);
1966 }
672903b3
JM		 1967
1968 /* MAC address registers are reserved for the MIC entry */
f1dc5600
S		 1969 REG_WRITE(ah, AR_KEYTABLE_MAC0(micentry), 0);
1970 REG_WRITE(ah, AR_KEYTABLE_MAC1(micentry), 0);
672903b3
JM		 1971
1972 /*
1973 * Write the correct (un-inverted) key[47:0] last to enable
1974 * TKIP now that all other registers are set with correct
1975 * values.
1976 */
f1dc5600
S		 1977 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
1978 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
1979 } else {
672903b3 1980 /* Write key[47:0] */
f1dc5600
S		 1981 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
1982 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
672903b3
JM		 1983
1984 /* Write key[95:48] */
f1dc5600
S		 1985 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
1986 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
672903b3
JM		 1987
1988 /* Write key[127:96] and key type */
f1dc5600
S		 1989 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
1990 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
f078f209 1991
672903b3 1992 /* Write MAC address for the entry */
f1dc5600
S		 1993 (void) ath9k_hw_keysetmac(ah, entry, mac);
1994 }
f078f209 1995
f078f209
LR		 1996 return true;
1997}
7322fd19 1998EXPORT_SYMBOL(ath9k_hw_set_keycache_entry);
f078f209 1999
cbe61d8a 2000bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry)
f078f209 2001{
2660b81a 2002 if (entry < ah->caps.keycache_size) {
f1dc5600
S		 2003 u32 val = REG_READ(ah, AR_KEYTABLE_MAC1(entry));
2004 if (val & AR_KEYTABLE_VALID)
2005 return true;
2006 }
2007 return false;
f078f209 2008}
7322fd19 2009EXPORT_SYMBOL(ath9k_hw_keyisvalid);
f078f209 2010
f1dc5600
S		 2011/******************************/
2012/* Power Management (Chipset) */
2013/******************************/
2014
42d5bc3f
LR		 2015/*
2016 * Notify Power Mgt is disabled in self-generated frames.
2017 * If requested, force chip to sleep.
2018 */
cbe61d8a 2019static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
f078f209 2020{
f1dc5600
S		 2021 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2022 if (setChip) {
42d5bc3f
LR		 2023 /*
2024 * Clear the RTC force wake bit to allow the
2025 * mac to go to sleep.
2026 */
f1dc5600
S		 2027 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2028 AR_RTC_FORCE_WAKE_EN);
42d5bc3f 2029 if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
f1dc5600 2030 REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
f078f209 2031
42d5bc3f 2032 /* Shutdown chip. Active low */
14b3af38 2033 if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah))
4921be80
S		 2034 REG_CLR_BIT(ah, (AR_RTC_RESET),
2035 AR_RTC_RESET_EN);
f1dc5600 2036 }
f078f209
LR		 2037}
2038
cbe61d8a 2039static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
f078f209 2040{
f1dc5600
S		 2041 REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2042 if (setChip) {
2660b81a 2043 struct ath9k_hw_capabilities *pCap = &ah->caps;
f078f209 2044
f1dc5600
S		 2045 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
2046 REG_WRITE(ah, AR_RTC_FORCE_WAKE,
2047 AR_RTC_FORCE_WAKE_ON_INT);
2048 } else {
2049 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2050 AR_RTC_FORCE_WAKE_EN);
f078f209 2051 }
f078f209 2052 }
f078f209
LR		 2053}
2054
cbe61d8a 2055static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
f078f209 2056{
f1dc5600
S		 2057 u32 val;
2058 int i;
f078f209 2059
f1dc5600
S		 2060 if (setChip) {
2061 if ((REG_READ(ah, AR_RTC_STATUS) &
2062 AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) {
2063 if (ath9k_hw_set_reset_reg(ah,
2064 ATH9K_RESET_POWER_ON) != true) {
2065 return false;
2066 }
e041228f
LR		 2067 if (!AR_SREV_9300_20_OR_LATER(ah))
2068 ath9k_hw_init_pll(ah, NULL);
f1dc5600
S		 2069 }
2070 if (AR_SREV_9100(ah))
2071 REG_SET_BIT(ah, AR_RTC_RESET,
2072 AR_RTC_RESET_EN);
f078f209 2073
f1dc5600
S		 2074 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2075 AR_RTC_FORCE_WAKE_EN);
2076 udelay(50);
f078f209 2077
f1dc5600
S		 2078 for (i = POWER_UP_TIME / 50; i > 0; i--) {
2079 val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
2080 if (val == AR_RTC_STATUS_ON)
2081 break;
2082 udelay(50);
2083 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2084 AR_RTC_FORCE_WAKE_EN);
f078f209 2085 }
f1dc5600 2086 if (i == 0) {
c46917bb
LR		 2087 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
2088 "Failed to wakeup in %uus\n",
2089 POWER_UP_TIME / 20);
f1dc5600 2090 return false;
f078f209 2091 }
f078f209
LR		 2092 }
2093
f1dc5600 2094 REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
f078f209 2095
f1dc5600 2096 return true;
f078f209
LR		 2097}
2098
9ecdef4b 2099bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
f078f209 2100{
c46917bb 2101 struct ath_common *common = ath9k_hw_common(ah);
cbe61d8a 2102 int status = true, setChip = true;
f1dc5600
S		 2103 static const char *modes[] = {
2104 "AWAKE",
2105 "FULL-SLEEP",
2106 "NETWORK SLEEP",
2107 "UNDEFINED"
2108 };
f1dc5600 2109
cbdec975
GJ		 2110 if (ah->power_mode == mode)
2111 return status;
2112
c46917bb
LR		 2113 ath_print(common, ATH_DBG_RESET, "%s -> %s\n",
2114 modes[ah->power_mode], modes[mode]);
f1dc5600
S		 2115
2116 switch (mode) {
2117 case ATH9K_PM_AWAKE:
2118 status = ath9k_hw_set_power_awake(ah, setChip);
2119 break;
2120 case ATH9K_PM_FULL_SLEEP:
2121 ath9k_set_power_sleep(ah, setChip);
2660b81a 2122 ah->chip_fullsleep = true;
f1dc5600
S		 2123 break;
2124 case ATH9K_PM_NETWORK_SLEEP:
2125 ath9k_set_power_network_sleep(ah, setChip);
2126 break;
f078f209 2127 default:
c46917bb
LR		 2128 ath_print(common, ATH_DBG_FATAL,
2129 "Unknown power mode %u\n", mode);
f078f209
LR		 2130 return false;
2131 }
2660b81a 2132 ah->power_mode = mode;
f1dc5600
S		 2133
2134 return status;
f078f209 2135}
7322fd19 2136EXPORT_SYMBOL(ath9k_hw_setpower);
f078f209 2137
24c1a280
LR		 2138/*
2139 * Helper for ASPM support.
2140 *
2141 * Disable PLL when in L0s as well as receiver clock when in L1.
2142 * This power saving option must be enabled through the SerDes.
2143 *
2144 * Programming the SerDes must go through the same 288 bit serial shift
2145 * register as the other analog registers. Hence the 9 writes.
2146 */
d70357d5
LR		 2147static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
2148 int restore,
2149 int power_off)
f078f209 2150{
f1dc5600 2151 u8 i;
93b1b37f 2152 u32 val;
f078f209 2153
2660b81a 2154 if (ah->is_pciexpress != true)
f1dc5600 2155 return;
f078f209 2156
24c1a280 2157 /* Do not touch SerDes registers */
2660b81a 2158 if (ah->config.pcie_powersave_enable == 2)
f1dc5600
S		 2159 return;
2160
24c1a280 2161 /* Nothing to do on restore for 11N */
93b1b37f
VN		 2162 if (!restore) {
2163 if (AR_SREV_9280_20_OR_LATER(ah)) {
2164 /*
2165 * AR9280 2.0 or later chips use SerDes values from the
2166 * initvals.h initialized depending on chipset during
d70357d5 2167 * __ath9k_hw_init()
93b1b37f
VN		 2168 */
2169 for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
2170 REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
2171 INI_RA(&ah->iniPcieSerdes, i, 1));
2172 }
2173 } else if (AR_SREV_9280(ah) &&
2174 (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
2175 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
2176 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
2177
2178 /* RX shut off when elecidle is asserted */
2179 REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
2180 REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
2181 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
2182
2183 /* Shut off CLKREQ active in L1 */
2184 if (ah->config.pcie_clock_req)
2185 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
2186 else
2187 REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
f1dc5600 2188
93b1b37f
VN		 2189 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
2190 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
2191 REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
f1dc5600 2192
93b1b37f
VN		 2193 /* Load the new settings */
2194 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
f1dc5600 2195
93b1b37f
VN		 2196 } else {
2197 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
2198 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
f1dc5600 2199
93b1b37f
VN		 2200 /* RX shut off when elecidle is asserted */
2201 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
2202 REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
2203 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
f1dc5600 2204
93b1b37f
VN		 2205 /*
2206 * Ignore ah->ah_config.pcie_clock_req setting for
2207 * pre-AR9280 11n
2208 */
2209 REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
24c1a280 2210
93b1b37f
VN		 2211 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
2212 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
2213 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
24c1a280 2214
93b1b37f
VN		 2215 /* Load the new settings */
2216 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
2217 }
24c1a280 2218
93b1b37f 2219 udelay(1000);
24c1a280 2220
93b1b37f
VN		 2221 /* set bit 19 to allow forcing of pcie core into L1 state */
2222 REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
f078f209 2223
93b1b37f
VN		 2224 /* Several PCIe massages to ensure proper behaviour */
2225 if (ah->config.pcie_waen) {
2226 val = ah->config.pcie_waen;
2227 if (!power_off)
2228 val &= (~AR_WA_D3_L1_DISABLE);
2229 } else {
2230 if (AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
2231 AR_SREV_9287(ah)) {
2232 val = AR9285_WA_DEFAULT;
2233 if (!power_off)
2234 val &= (~AR_WA_D3_L1_DISABLE);
2235 } else if (AR_SREV_9280(ah)) {
2236 /*
2237 * On AR9280 chips bit 22 of 0x4004 needs to be
2238 * set otherwise card may disappear.
2239 */
2240 val = AR9280_WA_DEFAULT;
2241 if (!power_off)
2242 val &= (~AR_WA_D3_L1_DISABLE);
2243 } else
2244 val = AR_WA_DEFAULT;
2245 }
6d08b9b9 2246
93b1b37f
VN		 2247 REG_WRITE(ah, AR_WA, val);
2248 }
f1dc5600 2249
93b1b37f 2250 if (power_off) {
24c1a280 2251 /*
93b1b37f
VN		 2252 * Set PCIe workaround bits
2253 * bit 14 in WA register (disable L1) should only
2254 * be set when device enters D3 and be cleared
2255 * when device comes back to D0.
24c1a280 2256 */
93b1b37f
VN		 2257 if (ah->config.pcie_waen) {
2258 if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
2259 REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
2260 } else {
2261 if (((AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
2262 AR_SREV_9287(ah)) &&
2263 (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
2264 (AR_SREV_9280(ah) &&
2265 (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
2266 REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
2267 }
2268 }
f1dc5600 2269 }
f078f209
LR		 2270}
2271
f1dc5600
S		 2272/**********************/
2273/* Interrupt Handling */
2274/**********************/
2275
cbe61d8a 2276bool ath9k_hw_intrpend(struct ath_hw *ah)
f078f209
LR		 2277{
2278 u32 host_isr;
2279
2280 if (AR_SREV_9100(ah))
2281 return true;
2282
2283 host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
2284 if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
2285 return true;
2286
2287 host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
2288 if ((host_isr & AR_INTR_SYNC_DEFAULT)
2289 && (host_isr != AR_INTR_SPURIOUS))
2290 return true;
2291
2292 return false;
2293}
7322fd19 2294EXPORT_SYMBOL(ath9k_hw_intrpend);
f078f209 2295
cbe61d8a 2296bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
f078f209
LR		 2297{
2298 u32 isr = 0;
2299 u32 mask2 = 0;
2660b81a 2300 struct ath9k_hw_capabilities *pCap = &ah->caps;
f078f209
LR		 2301 u32 sync_cause = 0;
2302 bool fatal_int = false;
c46917bb 2303 struct ath_common *common = ath9k_hw_common(ah);
f078f209
LR		 2304
2305 if (!AR_SREV_9100(ah)) {
2306 if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
2307 if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
2308 == AR_RTC_STATUS_ON) {
2309 isr = REG_READ(ah, AR_ISR);
2310 }
2311 }
2312
f1dc5600
S		 2313 sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
2314 AR_INTR_SYNC_DEFAULT;
f078f209
LR		 2315
2316 *masked = 0;
2317
2318 if (!isr && !sync_cause)
2319 return false;
2320 } else {
2321 *masked = 0;
2322 isr = REG_READ(ah, AR_ISR);
2323 }
2324
2325 if (isr) {
f078f209
LR		 2326 if (isr & AR_ISR_BCNMISC) {
2327 u32 isr2;
2328 isr2 = REG_READ(ah, AR_ISR_S2);
2329 if (isr2 & AR_ISR_S2_TIM)
2330 mask2 |= ATH9K_INT_TIM;
2331 if (isr2 & AR_ISR_S2_DTIM)
2332 mask2 |= ATH9K_INT_DTIM;
2333 if (isr2 & AR_ISR_S2_DTIMSYNC)
2334 mask2 |= ATH9K_INT_DTIMSYNC;
2335 if (isr2 & (AR_ISR_S2_CABEND))
2336 mask2 |= ATH9K_INT_CABEND;
2337 if (isr2 & AR_ISR_S2_GTT)
2338 mask2 |= ATH9K_INT_GTT;
2339 if (isr2 & AR_ISR_S2_CST)
2340 mask2 |= ATH9K_INT_CST;
4af9cf4f
S		 2341 if (isr2 & AR_ISR_S2_TSFOOR)
2342 mask2 |= ATH9K_INT_TSFOOR;
f078f209
LR		 2343 }
2344
2345 isr = REG_READ(ah, AR_ISR_RAC);
2346 if (isr == 0xffffffff) {
2347 *masked = 0;
2348 return false;
2349 }
2350
2351 *masked = isr & ATH9K_INT_COMMON;
2352
0ce024cb 2353 if (ah->config.rx_intr_mitigation) {
f078f209
LR		 2354 if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
2355 *masked |= ATH9K_INT_RX;
2356 }
2357
2358 if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
2359 *masked |= ATH9K_INT_RX;
2360 if (isr &
2361 (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
2362 AR_ISR_TXEOL)) {
2363 u32 s0_s, s1_s;
2364
2365 *masked |= ATH9K_INT_TX;
2366
2367 s0_s = REG_READ(ah, AR_ISR_S0_S);
2660b81a
S		 2368 ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
2369 ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
f078f209
LR		 2370
2371 s1_s = REG_READ(ah, AR_ISR_S1_S);
2660b81a
S		 2372 ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
2373 ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
f078f209
LR		 2374 }
2375
2376 if (isr & AR_ISR_RXORN) {
c46917bb
LR		 2377 ath_print(common, ATH_DBG_INTERRUPT,
2378 "receive FIFO overrun interrupt\n");
f078f209
LR		 2379 }
2380
2381 if (!AR_SREV_9100(ah)) {
60b67f51 2382 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
f078f209
LR		 2383 u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
2384 if (isr5 & AR_ISR_S5_TIM_TIMER)
2385 *masked |= ATH9K_INT_TIM_TIMER;
2386 }
2387 }
2388
2389 *masked |= mask2;
2390 }
f1dc5600 2391
f078f209
LR		 2392 if (AR_SREV_9100(ah))
2393 return true;
f1dc5600 2394
ff155a45
VT		 2395 if (isr & AR_ISR_GENTMR) {
2396 u32 s5_s;
2397
2398 s5_s = REG_READ(ah, AR_ISR_S5_S);
2399 if (isr & AR_ISR_GENTMR) {
2400 ah->intr_gen_timer_trigger =
2401 MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
2402
2403 ah->intr_gen_timer_thresh =
2404 MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
2405
2406 if (ah->intr_gen_timer_trigger)
2407 *masked |= ATH9K_INT_GENTIMER;
2408
2409 }
2410 }
2411
f078f209
LR		 2412 if (sync_cause) {
2413 fatal_int =
2414 (sync_cause &
2415 (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
2416 ? true : false;
2417
2418 if (fatal_int) {
2419 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
c46917bb
LR		 2420 ath_print(common, ATH_DBG_ANY,
2421 "received PCI FATAL interrupt\n");
f078f209
LR		 2422 }
2423 if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
c46917bb
LR		 2424 ath_print(common, ATH_DBG_ANY,
2425 "received PCI PERR interrupt\n");
f078f209 2426 }
a89bff9a 2427 *masked |= ATH9K_INT_FATAL;
f078f209
LR		 2428 }
2429 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
c46917bb
LR		 2430 ath_print(common, ATH_DBG_INTERRUPT,
2431 "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
f078f209
LR		 2432 REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
2433 REG_WRITE(ah, AR_RC, 0);
2434 *masked |= ATH9K_INT_FATAL;
2435 }
2436 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
c46917bb
LR		 2437 ath_print(common, ATH_DBG_INTERRUPT,
2438 "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
f078f209
LR		 2439 }
2440
2441 REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
2442 (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
2443 }
f1dc5600 2444
f078f209
LR		 2445 return true;
2446}
7322fd19 2447EXPORT_SYMBOL(ath9k_hw_getisr);
f078f209 2448
cbe61d8a 2449enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
f078f209 2450{
152d530d 2451 enum ath9k_int omask = ah->imask;
f078f209 2452 u32 mask, mask2;
2660b81a 2453 struct ath9k_hw_capabilities *pCap = &ah->caps;
c46917bb 2454 struct ath_common *common = ath9k_hw_common(ah);
f078f209 2455
c46917bb 2456 ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
f078f209
LR		 2457
2458 if (omask & ATH9K_INT_GLOBAL) {
c46917bb 2459 ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
f078f209
LR		 2460 REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
2461 (void) REG_READ(ah, AR_IER);
2462 if (!AR_SREV_9100(ah)) {
2463 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
2464 (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
2465
2466 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
2467 (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
2468 }
2469 }
2470
2471 mask = ints & ATH9K_INT_COMMON;
2472 mask2 = 0;
2473
2474 if (ints & ATH9K_INT_TX) {
2660b81a 2475 if (ah->txok_interrupt_mask)
f078f209 2476 mask |= AR_IMR_TXOK;
2660b81a 2477 if (ah->txdesc_interrupt_mask)
f078f209 2478 mask |= AR_IMR_TXDESC;
2660b81a 2479 if (ah->txerr_interrupt_mask)
f078f209 2480 mask |= AR_IMR_TXERR;
2660b81a 2481 if (ah->txeol_interrupt_mask)
f078f209
LR		 2482 mask |= AR_IMR_TXEOL;
2483 }
2484 if (ints & ATH9K_INT_RX) {
2485 mask |= AR_IMR_RXERR;
0ce024cb 2486 if (ah->config.rx_intr_mitigation)
f078f209
LR		 2487 mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
2488 else
2489 mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
60b67f51 2490 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
f078f209
LR		 2491 mask |= AR_IMR_GENTMR;
2492 }
2493
2494 if (ints & (ATH9K_INT_BMISC)) {
2495 mask |= AR_IMR_BCNMISC;
2496 if (ints & ATH9K_INT_TIM)
2497 mask2 |= AR_IMR_S2_TIM;
2498 if (ints & ATH9K_INT_DTIM)
2499 mask2 |= AR_IMR_S2_DTIM;
2500 if (ints & ATH9K_INT_DTIMSYNC)
2501 mask2 |= AR_IMR_S2_DTIMSYNC;
2502 if (ints & ATH9K_INT_CABEND)
4af9cf4f
S		 2503 mask2 |= AR_IMR_S2_CABEND;
2504 if (ints & ATH9K_INT_TSFOOR)
2505 mask2 |= AR_IMR_S2_TSFOOR;
f078f209
LR		 2506 }
2507
2508 if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
2509 mask |= AR_IMR_BCNMISC;
2510 if (ints & ATH9K_INT_GTT)
2511 mask2 |= AR_IMR_S2_GTT;
2512 if (ints & ATH9K_INT_CST)
2513 mask2 |= AR_IMR_S2_CST;
2514 }
2515
c46917bb 2516 ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
f078f209 2517 REG_WRITE(ah, AR_IMR, mask);
74bad5cb
PR		 2518 ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
2519 AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
2520 AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
2521 ah->imrs2_reg |= mask2;
2522 REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
f078f209 2523
60b67f51 2524 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
f078f209
LR		 2525 if (ints & ATH9K_INT_TIM_TIMER)
2526 REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
2527 else
2528 REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
2529 }
2530
2531 if (ints & ATH9K_INT_GLOBAL) {
c46917bb 2532 ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
f078f209
LR		 2533 REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
2534 if (!AR_SREV_9100(ah)) {
2535 REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
2536 AR_INTR_MAC_IRQ);
2537 REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
2538
2539
2540 REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
2541 AR_INTR_SYNC_DEFAULT);
2542 REG_WRITE(ah, AR_INTR_SYNC_MASK,
2543 AR_INTR_SYNC_DEFAULT);
2544 }
c46917bb
LR		 2545 ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
2546 REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
f078f209
LR		 2547 }
2548
2549 return omask;
2550}
7322fd19 2551EXPORT_SYMBOL(ath9k_hw_set_interrupts);
f078f209 2552
f1dc5600
S		 2553/*******************/
2554/* Beacon Handling */
2555/*******************/
2556
cbe61d8a 2557void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
f078f209 2558{
f078f209
LR		 2559 int flags = 0;
2560
2660b81a 2561 ah->beacon_interval = beacon_period;
f078f209 2562
2660b81a 2563 switch (ah->opmode) {
d97809db
CM		 2564 case NL80211_IFTYPE_STATION:
2565 case NL80211_IFTYPE_MONITOR:
f078f209
LR		 2566 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
2567 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
2568 REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
2569 flags |= AR_TBTT_TIMER_EN;
2570 break;
d97809db 2571 case NL80211_IFTYPE_ADHOC:
9cb5412b 2572 case NL80211_IFTYPE_MESH_POINT:
f078f209
LR		 2573 REG_SET_BIT(ah, AR_TXCFG,
2574 AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
2575 REG_WRITE(ah, AR_NEXT_NDP_TIMER,
2576 TU_TO_USEC(next_beacon +
2660b81a
S		 2577 (ah->atim_window ? ah->
2578 atim_window : 1)));
f078f209 2579 flags |= AR_NDP_TIMER_EN;
d97809db 2580 case NL80211_IFTYPE_AP:
f078f209
LR		 2581 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
2582 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT,
2583 TU_TO_USEC(next_beacon -
2660b81a 2584 ah->config.
60b67f51 2585 dma_beacon_response_time));
f078f209
LR		 2586 REG_WRITE(ah, AR_NEXT_SWBA,
2587 TU_TO_USEC(next_beacon -
2660b81a 2588 ah->config.
60b67f51 2589 sw_beacon_response_time));
f078f209
LR		 2590 flags |=
2591 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
2592 break;
d97809db 2593 default:
c46917bb
LR		 2594 ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON,
2595 "%s: unsupported opmode: %d\n",
2596 __func__, ah->opmode);
d97809db
CM		 2597 return;
2598 break;
f078f209
LR		 2599 }
2600
2601 REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period));
2602 REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period));
2603 REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
2604 REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
2605
2606 beacon_period &= ~ATH9K_BEACON_ENA;
2607 if (beacon_period & ATH9K_BEACON_RESET_TSF) {
f078f209
LR		 2608 ath9k_hw_reset_tsf(ah);
2609 }
2610
2611 REG_SET_BIT(ah, AR_TIMER_MODE, flags);
2612}
7322fd19 2613EXPORT_SYMBOL(ath9k_hw_beaconinit);
f078f209 2614
cbe61d8a 2615void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
f1dc5600 2616 const struct ath9k_beacon_state *bs)
f078f209
LR		 2617{
2618 u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
2660b81a 2619 struct ath9k_hw_capabilities *pCap = &ah->caps;
c46917bb 2620 struct ath_common *common = ath9k_hw_common(ah);
f078f209
LR		 2621
2622 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
2623
2624 REG_WRITE(ah, AR_BEACON_PERIOD,
2625 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
2626 REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
2627 TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
2628
2629 REG_RMW_FIELD(ah, AR_RSSI_THR,
2630 AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
2631
2632 beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
2633
2634 if (bs->bs_sleepduration > beaconintval)
2635 beaconintval = bs->bs_sleepduration;
2636
2637 dtimperiod = bs->bs_dtimperiod;
2638 if (bs->bs_sleepduration > dtimperiod)
2639 dtimperiod = bs->bs_sleepduration;
2640
2641 if (beaconintval == dtimperiod)
2642 nextTbtt = bs->bs_nextdtim;
2643 else
2644 nextTbtt = bs->bs_nexttbtt;
2645
c46917bb
LR		 2646 ath_print(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
2647 ath_print(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
2648 ath_print(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
2649 ath_print(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
f078f209 2650
f1dc5600
S		 2651 REG_WRITE(ah, AR_NEXT_DTIM,
2652 TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
2653 REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
f078f209 2654
f1dc5600
S		 2655 REG_WRITE(ah, AR_SLEEP1,
2656 SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
2657 | AR_SLEEP1_ASSUME_DTIM);
f078f209 2658
f1dc5600
S		 2659 if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
2660 beacontimeout = (BEACON_TIMEOUT_VAL << 3);
2661 else
2662 beacontimeout = MIN_BEACON_TIMEOUT_VAL;
f078f209 2663
f1dc5600
S		 2664 REG_WRITE(ah, AR_SLEEP2,
2665 SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
f078f209 2666
f1dc5600
S		 2667 REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
2668 REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
f078f209 2669
f1dc5600
S		 2670 REG_SET_BIT(ah, AR_TIMER_MODE,
2671 AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
2672 AR_DTIM_TIMER_EN);
f078f209 2673
4af9cf4f
S		 2674 /* TSF Out of Range Threshold */
2675 REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold);
f078f209 2676}
7322fd19 2677EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
f078f209 2678
f1dc5600
S		 2679/*******************/
2680/* HW Capabilities */
2681/*******************/
2682
a9a29ce6 2683int ath9k_hw_fill_cap_info(struct ath_hw *ah)
f078f209 2684{
2660b81a 2685 struct ath9k_hw_capabilities *pCap = &ah->caps;
608b88cb 2686 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
c46917bb 2687 struct ath_common *common = ath9k_hw_common(ah);
766ec4a9 2688 struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
608b88cb 2689
f1dc5600 2690 u16 capField = 0, eeval;
f078f209 2691
f74df6fb 2692 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
608b88cb 2693 regulatory->current_rd = eeval;
f078f209 2694
f74df6fb 2695 eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
fec0de11
S		 2696 if (AR_SREV_9285_10_OR_LATER(ah))
2697 eeval |= AR9285_RDEXT_DEFAULT;
608b88cb 2698 regulatory->current_rd_ext = eeval;
f078f209 2699
f74df6fb 2700 capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);
f1dc5600 2701
2660b81a 2702 if (ah->opmode != NL80211_IFTYPE_AP &&
d535a42a 2703 ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
608b88cb
LR		 2704 if (regulatory->current_rd == 0x64 ||
2705 regulatory->current_rd == 0x65)
2706 regulatory->current_rd += 5;
2707 else if (regulatory->current_rd == 0x41)
2708 regulatory->current_rd = 0x43;
c46917bb
LR		 2709 ath_print(common, ATH_DBG_REGULATORY,
2710 "regdomain mapped to 0x%x\n", regulatory->current_rd);
f1dc5600 2711 }
f078f209 2712
f74df6fb 2713 eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
a9a29ce6
GJ		 2714 if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
2715 ath_print(common, ATH_DBG_FATAL,
2716 "no band has been marked as supported in EEPROM.\n");
2717 return -EINVAL;
2718 }
2719
f1dc5600 2720 bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
f078f209 2721
f1dc5600
S		 2722 if (eeval & AR5416_OPFLAGS_11A) {
2723 set_bit(ATH9K_MODE_11A, pCap->wireless_modes);
2660b81a 2724 if (ah->config.ht_enable) {
f1dc5600
S		 2725 if (!(eeval & AR5416_OPFLAGS_N_5G_HT20))
2726 set_bit(ATH9K_MODE_11NA_HT20,
2727 pCap->wireless_modes);
2728 if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) {
2729 set_bit(ATH9K_MODE_11NA_HT40PLUS,
2730 pCap->wireless_modes);
2731 set_bit(ATH9K_MODE_11NA_HT40MINUS,
2732 pCap->wireless_modes);
2733 }
f078f209 2734 }
f078f209
LR		 2735 }
2736
f1dc5600 2737 if (eeval & AR5416_OPFLAGS_11G) {
f1dc5600 2738 set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
2660b81a 2739 if (ah->config.ht_enable) {
f1dc5600
S		 2740 if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
2741 set_bit(ATH9K_MODE_11NG_HT20,
2742 pCap->wireless_modes);
2743 if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) {
2744 set_bit(ATH9K_MODE_11NG_HT40PLUS,
2745 pCap->wireless_modes);
2746 set_bit(ATH9K_MODE_11NG_HT40MINUS,
2747 pCap->wireless_modes);
2748 }
2749 }
f078f209 2750 }
f1dc5600 2751
f74df6fb 2752 pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
d7e7d229
LR		 2753 /*
2754 * For AR9271 we will temporarilly uses the rx chainmax as read from
2755 * the EEPROM.
2756 */
8147f5de 2757 if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
d7e7d229
LR		 2758 !(eeval & AR5416_OPFLAGS_11A) &&
2759 !(AR_SREV_9271(ah)))
2760 /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
8147f5de
S		 2761 pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
2762 else
d7e7d229 2763 /* Use rx_chainmask from EEPROM. */
8147f5de 2764 pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
f078f209 2765
d535a42a 2766 if (!(AR_SREV_9280(ah) && (ah->hw_version.macRev == 0)))
2660b81a 2767 ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
f078f209 2768
f1dc5600
S		 2769 pCap->low_2ghz_chan = 2312;
2770 pCap->high_2ghz_chan = 2732;
f078f209 2771
f1dc5600
S		 2772 pCap->low_5ghz_chan = 4920;
2773 pCap->high_5ghz_chan = 6100;
f078f209 2774
f1dc5600
S		 2775 pCap->hw_caps &= ~ATH9K_HW_CAP_CIPHER_CKIP;
2776 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_TKIP;
2777 pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_AESCCM;
f078f209 2778
f1dc5600
S		 2779 pCap->hw_caps &= ~ATH9K_HW_CAP_MIC_CKIP;
2780 pCap->hw_caps |= ATH9K_HW_CAP_MIC_TKIP;
2781 pCap->hw_caps |= ATH9K_HW_CAP_MIC_AESCCM;
f078f209 2782
2660b81a 2783 if (ah->config.ht_enable)
f1dc5600
S		 2784 pCap->hw_caps |= ATH9K_HW_CAP_HT;
2785 else
2786 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
f078f209 2787
f1dc5600
S		 2788 pCap->hw_caps |= ATH9K_HW_CAP_GTT;
2789 pCap->hw_caps |= ATH9K_HW_CAP_VEOL;
2790 pCap->hw_caps |= ATH9K_HW_CAP_BSSIDMASK;
2791 pCap->hw_caps &= ~ATH9K_HW_CAP_MCAST_KEYSEARCH;
f078f209 2792
f1dc5600
S		 2793 if (capField & AR_EEPROM_EEPCAP_MAXQCU)
2794 pCap->total_queues =
2795 MS(capField, AR_EEPROM_EEPCAP_MAXQCU);
2796 else
2797 pCap->total_queues = ATH9K_NUM_TX_QUEUES;
f078f209 2798
f1dc5600
S		 2799 if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
2800 pCap->keycache_size =
2801 1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
2802 else
2803 pCap->keycache_size = AR_KEYTABLE_SIZE;
f078f209 2804
f1dc5600 2805 pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
f4709fdf
LR		 2806
2807 if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
2808 pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
2809 else
2810 pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
f078f209 2811
5b5fa355
S		 2812 if (AR_SREV_9271(ah))
2813 pCap->num_gpio_pins = AR9271_NUM_GPIO;
2814 else if (AR_SREV_9285_10_OR_LATER(ah))
cb33c412
SB		 2815 pCap->num_gpio_pins = AR9285_NUM_GPIO;
2816 else if (AR_SREV_9280_10_OR_LATER(ah))
f1dc5600
S		 2817 pCap->num_gpio_pins = AR928X_NUM_GPIO;
2818 else
2819 pCap->num_gpio_pins = AR_NUM_GPIO;
f078f209 2820
f1dc5600
S		 2821 if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
2822 pCap->hw_caps |= ATH9K_HW_CAP_CST;
2823 pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
2824 } else {
2825 pCap->rts_aggr_limit = (8 * 1024);
f078f209
LR		 2826 }
2827
f1dc5600
S		 2828 pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
2829
e97275cb 2830#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
2660b81a
S		 2831 ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT);
2832 if (ah->rfsilent & EEP_RFSILENT_ENABLED) {
2833 ah->rfkill_gpio =
2834 MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL);
2835 ah->rfkill_polarity =
2836 MS(ah->rfsilent, EEP_RFSILENT_POLARITY);
f1dc5600
S		 2837
2838 pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
f078f209 2839 }
f1dc5600 2840#endif
bde748a4
VN		 2841 if (AR_SREV_9271(ah))
2842 pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
2843 else
2844 pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
f078f209 2845
e7594072 2846 if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
f1dc5600
S		 2847 pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
2848 else
2849 pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
f078f209 2850
608b88cb 2851 if (regulatory->current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
f1dc5600
S		 2852 pCap->reg_cap =
2853 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
2854 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
2855 AR_EEPROM_EEREGCAP_EN_KK_U2 |
2856 AR_EEPROM_EEREGCAP_EN_KK_MIDBAND;
f078f209 2857 } else {
f1dc5600
S		 2858 pCap->reg_cap =
2859 AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
2860 AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
f078f209 2861 }
f078f209 2862
ebb90cfc
SB		 2863 /* Advertise midband for AR5416 with FCC midband set in eeprom */
2864 if (regulatory->current_rd_ext & (1 << REG_EXT_FCC_MIDBAND) &&
2865 AR_SREV_5416(ah))
2866 pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
f1dc5600
S		 2867
2868 pCap->num_antcfg_5ghz =
f74df6fb 2869 ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ);
f1dc5600 2870 pCap->num_antcfg_2ghz =
f74df6fb 2871 ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
f078f209 2872
fe12946e 2873 if (AR_SREV_9280_10_OR_LATER(ah) &&
a36cfbca 2874 ath9k_hw_btcoex_supported(ah)) {
766ec4a9
LR		 2875 btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO;
2876 btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
22f25d0d 2877
8c8f9ba7 2878 if (AR_SREV_9285(ah)) {
766ec4a9
LR		 2879 btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
2880 btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO;
8c8f9ba7 2881 } else {
766ec4a9 2882 btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
8c8f9ba7 2883 }
22f25d0d 2884 } else {
766ec4a9 2885 btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
c97c92d9 2886 }
a9a29ce6
GJ		 2887
2888 return 0;
f078f209
LR		 2889}
2890
cbe61d8a 2891bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
f1dc5600 2892 u32 capability, u32 *result)
f078f209 2893{
608b88cb 2894 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
f1dc5600
S		 2895 switch (type) {
2896 case ATH9K_CAP_CIPHER:
2897 switch (capability) {
2898 case ATH9K_CIPHER_AES_CCM:
2899 case ATH9K_CIPHER_AES_OCB:
2900 case ATH9K_CIPHER_TKIP:
2901 case ATH9K_CIPHER_WEP:
2902 case ATH9K_CIPHER_MIC:
2903 case ATH9K_CIPHER_CLR:
2904 return true;
2905 default:
2906 return false;
2907 }
2908 case ATH9K_CAP_TKIP_MIC:
2909 switch (capability) {
2910 case 0:
2911 return true;
2912 case 1:
2660b81a 2913 return (ah->sta_id1_defaults &
f1dc5600
S		 2914 AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
2915 false;
2916 }
2917 case ATH9K_CAP_TKIP_SPLIT:
2660b81a 2918 return (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) ?
f1dc5600 2919 false : true;
f1dc5600
S		 2920 case ATH9K_CAP_MCAST_KEYSRCH:
2921 switch (capability) {
2922 case 0:
2923 return true;
2924 case 1:
2925 if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
2926 return false;
2927 } else {
2660b81a 2928 return (ah->sta_id1_defaults &
f1dc5600
S		 2929 AR_STA_ID1_MCAST_KSRCH) ? true :
2930 false;
2931 }
2932 }
2933 return false;
f1dc5600
S		 2934 case ATH9K_CAP_TXPOW:
2935 switch (capability) {
2936 case 0:
2937 return 0;
2938 case 1:
608b88cb 2939 *result = regulatory->power_limit;
f1dc5600
S		 2940 return 0;
2941 case 2:
608b88cb 2942 *result = regulatory->max_power_level;
f1dc5600
S		 2943 return 0;
2944 case 3:
608b88cb 2945 *result = regulatory->tp_scale;
f1dc5600
S		 2946 return 0;
2947 }
2948 return false;
8bd1d07f
SB		 2949 case ATH9K_CAP_DS:
2950 return (AR_SREV_9280_20_OR_LATER(ah) &&
2951 (ah->eep_ops->get_eeprom(ah, EEP_RC_CHAIN_MASK) == 1))
2952 ? false : true;
f1dc5600
S		 2953 default:
2954 return false;
f078f209 2955 }
f078f209 2956}
7322fd19 2957EXPORT_SYMBOL(ath9k_hw_getcapability);
f078f209 2958
cbe61d8a 2959bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
f1dc5600 2960 u32 capability, u32 setting, int *status)
f078f209 2961{
f1dc5600
S		 2962 switch (type) {
2963 case ATH9K_CAP_TKIP_MIC:
2964 if (setting)
2660b81a 2965 ah->sta_id1_defaults |=
f1dc5600
S		 2966 AR_STA_ID1_CRPT_MIC_ENABLE;
2967 else
2660b81a 2968 ah->sta_id1_defaults &=
f1dc5600
S		 2969 ~AR_STA_ID1_CRPT_MIC_ENABLE;
2970 return true;
f1dc5600
S		 2971 case ATH9K_CAP_MCAST_KEYSRCH:
2972 if (setting)
2660b81a 2973 ah->sta_id1_defaults |= AR_STA_ID1_MCAST_KSRCH;
f1dc5600 2974 else
2660b81a 2975 ah->sta_id1_defaults &= ~AR_STA_ID1_MCAST_KSRCH;
f1dc5600 2976 return true;
f1dc5600
S		 2977 default:
2978 return false;
f078f209
LR		 2979 }
2980}
7322fd19 2981EXPORT_SYMBOL(ath9k_hw_setcapability);
f078f209 2982
f1dc5600
S		 2983/****************************/
2984/* GPIO / RFKILL / Antennae */
2985/****************************/
f078f209 2986
cbe61d8a 2987static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah,
f1dc5600
S		 2988 u32 gpio, u32 type)
2989{
2990 int addr;
2991 u32 gpio_shift, tmp;
f078f209 2992
f1dc5600
S		 2993 if (gpio > 11)
2994 addr = AR_GPIO_OUTPUT_MUX3;
2995 else if (gpio > 5)
2996 addr = AR_GPIO_OUTPUT_MUX2;
2997 else
2998 addr = AR_GPIO_OUTPUT_MUX1;
f078f209 2999
f1dc5600 3000 gpio_shift = (gpio % 6) * 5;
f078f209 3001
f1dc5600
S		 3002 if (AR_SREV_9280_20_OR_LATER(ah)
3003 || (addr != AR_GPIO_OUTPUT_MUX1)) {
3004 REG_RMW(ah, addr, (type << gpio_shift),
3005 (0x1f << gpio_shift));
f078f209 3006 } else {
f1dc5600
S		 3007 tmp = REG_READ(ah, addr);
3008 tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
3009 tmp &= ~(0x1f << gpio_shift);
3010 tmp |= (type << gpio_shift);
3011 REG_WRITE(ah, addr, tmp);
f078f209 3012 }
f078f209
LR		 3013}
3014
cbe61d8a 3015void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
f078f209 3016{
f1dc5600 3017 u32 gpio_shift;
f078f209 3018
9680e8a3 3019 BUG_ON(gpio >= ah->caps.num_gpio_pins);
f078f209 3020
f1dc5600 3021 gpio_shift = gpio << 1;
f078f209 3022
f1dc5600
S		 3023 REG_RMW(ah,
3024 AR_GPIO_OE_OUT,
3025 (AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
3026 (AR_GPIO_OE_OUT_DRV << gpio_shift));
f078f209 3027}
7322fd19 3028EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input);
f078f209 3029
cbe61d8a 3030u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
f078f209 3031{
cb33c412
SB		 3032#define MS_REG_READ(x, y) \
3033 (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y)))
3034
2660b81a 3035 if (gpio >= ah->caps.num_gpio_pins)
f1dc5600 3036 return 0xffffffff;
f078f209 3037
783dfca1
FF		 3038 if (AR_SREV_9300_20_OR_LATER(ah))
3039 return MS_REG_READ(AR9300, gpio) != 0;
3040 else if (AR_SREV_9271(ah))
5b5fa355
S		 3041 return MS_REG_READ(AR9271, gpio) != 0;
3042 else if (AR_SREV_9287_10_OR_LATER(ah))
ac88b6ec
VN		 3043 return MS_REG_READ(AR9287, gpio) != 0;
3044 else if (AR_SREV_9285_10_OR_LATER(ah))
cb33c412
SB		 3045 return MS_REG_READ(AR9285, gpio) != 0;
3046 else if (AR_SREV_9280_10_OR_LATER(ah))
3047 return MS_REG_READ(AR928X, gpio) != 0;
3048 else
3049 return MS_REG_READ(AR, gpio) != 0;
f078f209 3050}
7322fd19 3051EXPORT_SYMBOL(ath9k_hw_gpio_get);
f078f209 3052
cbe61d8a 3053void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
f1dc5600 3054 u32 ah_signal_type)
f078f209 3055{
f1dc5600 3056 u32 gpio_shift;
f078f209 3057
f1dc5600 3058 ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
f078f209 3059
f1dc5600 3060 gpio_shift = 2 * gpio;
f078f209 3061
f1dc5600
S		 3062 REG_RMW(ah,
3063 AR_GPIO_OE_OUT,
3064 (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
3065 (AR_GPIO_OE_OUT_DRV << gpio_shift));
f078f209 3066}
7322fd19 3067EXPORT_SYMBOL(ath9k_hw_cfg_output);
f078f209 3068
cbe61d8a 3069void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
f078f209 3070{
5b5fa355
S		 3071 if (AR_SREV_9271(ah))
3072 val = ~val;
3073
f1dc5600
S		 3074 REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
3075 AR_GPIO_BIT(gpio));
f078f209 3076}
7322fd19 3077EXPORT_SYMBOL(ath9k_hw_set_gpio);
f078f209 3078
cbe61d8a 3079u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
f078f209 3080{
f1dc5600 3081 return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
f078f209 3082}
7322fd19 3083EXPORT_SYMBOL(ath9k_hw_getdefantenna);
f078f209 3084
cbe61d8a 3085void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
f078f209 3086{
f1dc5600 3087 REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
f078f209 3088}
7322fd19 3089EXPORT_SYMBOL(ath9k_hw_setantenna);
f078f209 3090
f1dc5600
S		 3091/*********************/
3092/* General Operation */
3093/*********************/
3094
cbe61d8a 3095u32 ath9k_hw_getrxfilter(struct ath_hw *ah)
f078f209 3096{
f1dc5600
S		 3097 u32 bits = REG_READ(ah, AR_RX_FILTER);
3098 u32 phybits = REG_READ(ah, AR_PHY_ERR);
f078f209 3099
f1dc5600
S		 3100 if (phybits & AR_PHY_ERR_RADAR)
3101 bits |= ATH9K_RX_FILTER_PHYRADAR;
3102 if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
3103 bits |= ATH9K_RX_FILTER_PHYERR;
dc2222a8 3104
f1dc5600 3105 return bits;
f078f209 3106}
7322fd19 3107EXPORT_SYMBOL(ath9k_hw_getrxfilter);
f078f209 3108
cbe61d8a 3109void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
f078f209 3110{
f1dc5600 3111 u32 phybits;
f078f209 3112
7ea310be
S		 3113 REG_WRITE(ah, AR_RX_FILTER, bits);
3114
f1dc5600
S		 3115 phybits = 0;
3116 if (bits & ATH9K_RX_FILTER_PHYRADAR)
3117 phybits |= AR_PHY_ERR_RADAR;
3118 if (bits & ATH9K_RX_FILTER_PHYERR)
3119 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
3120 REG_WRITE(ah, AR_PHY_ERR, phybits);
f078f209 3121
f1dc5600
S		 3122 if (phybits)
3123 REG_WRITE(ah, AR_RXCFG,
3124 REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
3125 else
3126 REG_WRITE(ah, AR_RXCFG,
3127 REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
3128}
7322fd19 3129EXPORT_SYMBOL(ath9k_hw_setrxfilter);
f078f209 3130
cbe61d8a 3131bool ath9k_hw_phy_disable(struct ath_hw *ah)
f1dc5600 3132{
63a75b91
SB		 3133 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
3134 return false;
3135
3136 ath9k_hw_init_pll(ah, NULL);
3137 return true;
f1dc5600 3138}
7322fd19 3139EXPORT_SYMBOL(ath9k_hw_phy_disable);
f078f209 3140
cbe61d8a 3141bool ath9k_hw_disable(struct ath_hw *ah)
f1dc5600 3142{
9ecdef4b 3143 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
f1dc5600 3144 return false;
f078f209 3145
63a75b91
SB		 3146 if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD))
3147 return false;
3148
3149 ath9k_hw_init_pll(ah, NULL);
3150 return true;
f078f209 3151}
7322fd19 3152EXPORT_SYMBOL(ath9k_hw_disable);
f078f209 3153
8fbff4b8 3154void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
f078f209 3155{
608b88cb 3156 struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
2660b81a 3157 struct ath9k_channel *chan = ah->curchan;
5f8e077c 3158 struct ieee80211_channel *channel = chan->chan;
f078f209 3159
608b88cb 3160 regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER);
6f255425 3161
8fbff4b8 3162 ah->eep_ops->set_txpower(ah, chan,
608b88cb 3163 ath9k_regd_get_ctl(regulatory, chan),
8fbff4b8
VT		 3164 channel->max_antenna_gain * 2,
3165 channel->max_power * 2,
3166 min((u32) MAX_RATE_POWER,
608b88cb 3167 (u32) regulatory->power_limit));
6f255425 3168}
7322fd19 3169EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
6f255425 3170
cbe61d8a 3171void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
f078f209 3172{
1510718d 3173 memcpy(ath9k_hw_common(ah)->macaddr, mac, ETH_ALEN);
f078f209 3174}
7322fd19 3175EXPORT_SYMBOL(ath9k_hw_setmac);
f078f209 3176
cbe61d8a 3177void ath9k_hw_setopmode(struct ath_hw *ah)
f078f209 3178{
2660b81a 3179 ath9k_hw_set_operating_mode(ah, ah->opmode);
f078f209 3180}
7322fd19 3181EXPORT_SYMBOL(ath9k_hw_setopmode);
f078f209 3182
cbe61d8a 3183void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
f078f209 3184{
f1dc5600
S		 3185 REG_WRITE(ah, AR_MCAST_FIL0, filter0);
3186 REG_WRITE(ah, AR_MCAST_FIL1, filter1);
f078f209 3187}
7322fd19 3188EXPORT_SYMBOL(ath9k_hw_setmcastfilter);
f078f209 3189
f2b2143e 3190void ath9k_hw_write_associd(struct ath_hw *ah)
f078f209 3191{
1510718d
LR		 3192 struct ath_common *common = ath9k_hw_common(ah);
3193
3194 REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid));
3195 REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
3196 ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
f078f209 3197}
7322fd19 3198EXPORT_SYMBOL(ath9k_hw_write_associd);
f078f209 3199
cbe61d8a 3200u64 ath9k_hw_gettsf64(struct ath_hw *ah)
f078f209 3201{
f1dc5600 3202 u64 tsf;
f078f209 3203
f1dc5600
S		 3204 tsf = REG_READ(ah, AR_TSF_U32);
3205 tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
f078f209 3206
f1dc5600
S		 3207 return tsf;
3208}
7322fd19 3209EXPORT_SYMBOL(ath9k_hw_gettsf64);
f078f209 3210
cbe61d8a 3211void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
27abe060 3212{
27abe060 3213 REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
b9a16197 3214 REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
27abe060 3215}
7322fd19 3216EXPORT_SYMBOL(ath9k_hw_settsf64);
27abe060 3217
cbe61d8a 3218void ath9k_hw_reset_tsf(struct ath_hw *ah)
f1dc5600 3219{
f9b604f6
GJ		 3220 if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
3221 AH_TSF_WRITE_TIMEOUT))
c46917bb
LR		 3222 ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
3223 "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
f9b604f6 3224
f1dc5600
S		 3225 REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
3226}
7322fd19 3227EXPORT_SYMBOL(ath9k_hw_reset_tsf);
f078f209 3228
54e4cec6 3229void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
f1dc5600 3230{
f1dc5600 3231 if (setting)
2660b81a 3232 ah->misc_mode |= AR_PCU_TX_ADD_TSF;
f1dc5600 3233 else
2660b81a 3234 ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
f1dc5600 3235}
7322fd19 3236EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
f078f209 3237
30cbd422
LR		 3238/*
3239 * Extend 15-bit time stamp from rx descriptor to
3240 * a full 64-bit TSF using the current h/w TSF.
3241*/
3242u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp)
3243{
3244 u64 tsf;
3245
3246 tsf = ath9k_hw_gettsf64(ah);
3247 if ((tsf & 0x7fff) < rstamp)
3248 tsf -= 0x8000;
3249 return (tsf & ~0x7fff) | rstamp;
3250}
3251EXPORT_SYMBOL(ath9k_hw_extend_tsf);
3252
25c56eec 3253void ath9k_hw_set11nmac2040(struct ath_hw *ah)
f1dc5600 3254{
25c56eec 3255 struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
f1dc5600
S		 3256 u32 macmode;
3257
25c56eec 3258 if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
f1dc5600
S		 3259 macmode = AR_2040_JOINED_RX_CLEAR;
3260 else
3261 macmode = 0;
f078f209 3262
f1dc5600 3263 REG_WRITE(ah, AR_2040_MODE, macmode);
f078f209 3264}
ff155a45
VT		 3265
3266/* HW Generic timers configuration */
3267
3268static const struct ath_gen_timer_configuration gen_tmr_configuration[] =
3269{
3270 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3271 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3272 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3273 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3274 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3275 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3276 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3277 {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
3278 {AR_NEXT_NDP2_TIMER, AR_NDP2_PERIOD, AR_NDP2_TIMER_MODE, 0x0001},
3279 {AR_NEXT_NDP2_TIMER + 1*4, AR_NDP2_PERIOD + 1*4,
3280 AR_NDP2_TIMER_MODE, 0x0002},
3281 {AR_NEXT_NDP2_TIMER + 2*4, AR_NDP2_PERIOD + 2*4,
3282 AR_NDP2_TIMER_MODE, 0x0004},
3283 {AR_NEXT_NDP2_TIMER + 3*4, AR_NDP2_PERIOD + 3*4,
3284 AR_NDP2_TIMER_MODE, 0x0008},
3285 {AR_NEXT_NDP2_TIMER + 4*4, AR_NDP2_PERIOD + 4*4,
3286 AR_NDP2_TIMER_MODE, 0x0010},
3287 {AR_NEXT_NDP2_TIMER + 5*4, AR_NDP2_PERIOD + 5*4,
3288 AR_NDP2_TIMER_MODE, 0x0020},
3289 {AR_NEXT_NDP2_TIMER + 6*4, AR_NDP2_PERIOD + 6*4,
3290 AR_NDP2_TIMER_MODE, 0x0040},
3291 {AR_NEXT_NDP2_TIMER + 7*4, AR_NDP2_PERIOD + 7*4,
3292 AR_NDP2_TIMER_MODE, 0x0080}
3293};
3294
3295/* HW generic timer primitives */
3296
3297/* compute and clear index of rightmost 1 */
3298static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask)
3299{
3300 u32 b;
3301
3302 b = *mask;
3303 b &= (0-b);
3304 *mask &= ~b;
3305 b *= debruijn32;
3306 b >>= 27;
3307
3308 return timer_table->gen_timer_index[b];
3309}
3310
1773912b 3311u32 ath9k_hw_gettsf32(struct ath_hw *ah)
ff155a45
VT		 3312{
3313 return REG_READ(ah, AR_TSF_L32);
3314}
7322fd19 3315EXPORT_SYMBOL(ath9k_hw_gettsf32);
ff155a45
VT		 3316
3317struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
3318 void (*trigger)(void *),
3319 void (*overflow)(void *),
3320 void *arg,
3321 u8 timer_index)
3322{
3323 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
3324 struct ath_gen_timer *timer;
3325
3326 timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL);
3327
3328 if (timer == NULL) {
c46917bb
LR		 3329 ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
3330 "Failed to allocate memory"
3331 "for hw timer[%d]\n", timer_index);
ff155a45
VT		 3332 return NULL;
3333 }
3334
3335 /* allocate a hardware generic timer slot */
3336 timer_table->timers[timer_index] = timer;
3337 timer->index = timer_index;
3338 timer->trigger = trigger;
3339 timer->overflow = overflow;
3340 timer->arg = arg;
3341
3342 return timer;
3343}
7322fd19 3344EXPORT_SYMBOL(ath_gen_timer_alloc);
ff155a45 3345
cd9bf689
LR		 3346void ath9k_hw_gen_timer_start(struct ath_hw *ah,
3347 struct ath_gen_timer *timer,
3348 u32 timer_next,
3349 u32 timer_period)
ff155a45
VT		 3350{
3351 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
3352 u32 tsf;
3353
3354 BUG_ON(!timer_period);
3355
3356 set_bit(timer->index, &timer_table->timer_mask.timer_bits);
3357
3358 tsf = ath9k_hw_gettsf32(ah);
3359
c46917bb
LR		 3360 ath_print(ath9k_hw_common(ah), ATH_DBG_HWTIMER,
3361 "curent tsf %x period %x"
3362 "timer_next %x\n", tsf, timer_period, timer_next);
ff155a45
VT		 3363
3364 /*
3365 * Pull timer_next forward if the current TSF already passed it
3366 * because of software latency
3367 */
3368 if (timer_next < tsf)
3369 timer_next = tsf + timer_period;
3370
3371 /*
3372 * Program generic timer registers
3373 */
3374 REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr,
3375 timer_next);
3376 REG_WRITE(ah, gen_tmr_configuration[timer->index].period_addr,
3377 timer_period);
3378 REG_SET_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
3379 gen_tmr_configuration[timer->index].mode_mask);
3380
3381 /* Enable both trigger and thresh interrupt masks */
3382 REG_SET_BIT(ah, AR_IMR_S5,
3383 (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
3384 SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
ff155a45 3385}
7322fd19 3386EXPORT_SYMBOL(ath9k_hw_gen_timer_start);
ff155a45 3387
cd9bf689 3388void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
ff155a45
VT		 3389{
3390 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
3391
3392 if ((timer->index < AR_FIRST_NDP_TIMER) ||
3393 (timer->index >= ATH_MAX_GEN_TIMER)) {
3394 return;
3395 }
3396
3397 /* Clear generic timer enable bits. */
3398 REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
3399 gen_tmr_configuration[timer->index].mode_mask);
3400
3401 /* Disable both trigger and thresh interrupt masks */
3402 REG_CLR_BIT(ah, AR_IMR_S5,
3403 (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
3404 SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
3405
3406 clear_bit(timer->index, &timer_table->timer_mask.timer_bits);
ff155a45 3407}
7322fd19 3408EXPORT_SYMBOL(ath9k_hw_gen_timer_stop);
ff155a45
VT		 3409
3410void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
3411{
3412 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
3413
3414 /* free the hardware generic timer slot */
3415 timer_table->timers[timer->index] = NULL;
3416 kfree(timer);
3417}
7322fd19 3418EXPORT_SYMBOL(ath_gen_timer_free);
ff155a45
VT		 3419
3420/*
3421 * Generic Timer Interrupts handling
3422 */
3423void ath_gen_timer_isr(struct ath_hw *ah)
3424{
3425 struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
3426 struct ath_gen_timer *timer;
c46917bb 3427 struct ath_common *common = ath9k_hw_common(ah);
ff155a45
VT		 3428 u32 trigger_mask, thresh_mask, index;
3429
3430 /* get hardware generic timer interrupt status */
3431 trigger_mask = ah->intr_gen_timer_trigger;
3432 thresh_mask = ah->intr_gen_timer_thresh;
3433 trigger_mask &= timer_table->timer_mask.val;
3434 thresh_mask &= timer_table->timer_mask.val;
3435
3436 trigger_mask &= ~thresh_mask;
3437
3438 while (thresh_mask) {
3439 index = rightmost_index(timer_table, &thresh_mask);
3440 timer = timer_table->timers[index];
3441 BUG_ON(!timer);
c46917bb
LR		 3442 ath_print(common, ATH_DBG_HWTIMER,
3443 "TSF overflow for Gen timer %d\n", index);
ff155a45
VT		 3444 timer->overflow(timer->arg);
3445 }
3446
3447 while (trigger_mask) {
3448 index = rightmost_index(timer_table, &trigger_mask);
3449 timer = timer_table->timers[index];
3450 BUG_ON(!timer);
c46917bb
LR		 3451 ath_print(common, ATH_DBG_HWTIMER,
3452 "Gen timer[%d] trigger\n", index);
ff155a45
VT		 3453 timer->trigger(timer->arg);
3454 }
3455}
7322fd19 3456EXPORT_SYMBOL(ath_gen_timer_isr);
2da4f01a 3457
05020d23
S		 3458/********/
3459/* HTC */
3460/********/
3461
3462void ath9k_hw_htc_resetinit(struct ath_hw *ah)
3463{
3464 ah->htc_reset_init = true;
3465}
3466EXPORT_SYMBOL(ath9k_hw_htc_resetinit);
3467
2da4f01a
LR		 3468static struct {
3469 u32 version;
3470 const char * name;
3471} ath_mac_bb_names[] = {
3472 /* Devices with external radios */
3473 { AR_SREV_VERSION_5416_PCI, "5416" },
3474 { AR_SREV_VERSION_5416_PCIE, "5418" },
3475 { AR_SREV_VERSION_9100, "9100" },
3476 { AR_SREV_VERSION_9160, "9160" },
3477 /* Single-chip solutions */
3478 { AR_SREV_VERSION_9280, "9280" },
3479 { AR_SREV_VERSION_9285, "9285" },
11158472
LR		 3480 { AR_SREV_VERSION_9287, "9287" },
3481 { AR_SREV_VERSION_9271, "9271" },
2da4f01a
LR		 3482};
3483
3484/* For devices with external radios */
3485static struct {
3486 u16 version;
3487 const char * name;
3488} ath_rf_names[] = {
3489 { 0, "5133" },
3490 { AR_RAD5133_SREV_MAJOR, "5133" },
3491 { AR_RAD5122_SREV_MAJOR, "5122" },
3492 { AR_RAD2133_SREV_MAJOR, "2133" },
3493 { AR_RAD2122_SREV_MAJOR, "2122" }
3494};
3495
3496/*
3497 * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
3498 */
f934c4d9 3499static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
2da4f01a
LR		 3500{
3501 int i;
3502
3503 for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
3504 if (ath_mac_bb_names[i].version == mac_bb_version) {
3505 return ath_mac_bb_names[i].name;
3506 }
3507 }
3508
3509 return "????";
3510}
2da4f01a
LR		 3511
3512/*
3513 * Return the RF name. "????" is returned if the RF is unknown.
3514 * Used for devices with external radios.
3515 */
f934c4d9 3516static const char *ath9k_hw_rf_name(u16 rf_version)
2da4f01a
LR		 3517{
3518 int i;
3519
3520 for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
3521 if (ath_rf_names[i].version == rf_version) {
3522 return ath_rf_names[i].name;
3523 }
3524 }
3525
3526 return "????";
3527}
f934c4d9
LR		 3528
3529void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len)
3530{
3531 int used;
3532
3533 /* chipsets >= AR9280 are single-chip */
3534 if (AR_SREV_9280_10_OR_LATER(ah)) {
3535 used = snprintf(hw_name, len,
3536 "Atheros AR%s Rev:%x",
3537 ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
3538 ah->hw_version.macRev);
3539 }
3540 else {
3541 used = snprintf(hw_name, len,
3542 "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
3543 ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
3544 ah->hw_version.macRev,
3545 ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
3546 AR_RADIO_SREV_MAJOR)),
3547 ah->hw_version.phyRev);
3548 }
3549
3550 hw_name[used] = '\0';
3551}
3552EXPORT_SYMBOL(ath9k_hw_name);
d70357d5
LR		 3553
3554/* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
3555static void ar9002_hw_attach_ops(struct ath_hw *ah)
3556{
3557 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
3558 struct ath_hw_ops *ops = ath9k_hw_ops(ah);
3559
3560 priv_ops->init_cal_settings = ar9002_hw_init_cal_settings;
3561 priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
3562 priv_ops->macversion_supported = ar9002_hw_macversion_supported;
3563
3564 ops->config_pci_powersave = ar9002_hw_configpcipowersave;
8fe65368
LR		 3565
3566 if (AR_SREV_9280_10_OR_LATER(ah))
3567 ar9002_hw_attach_phy_ops(ah);
3568 else
3569 ar5008_hw_attach_phy_ops(ah);
d70357d5 3570}
Linux kernel - Deliverables
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