drivers/net/wireless/ath9k/hw.c

   1 /*
   2  * Copyright (c) 2008 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/io.h>
  18 #include <asm/unaligned.h>
  19
  20 #include "core.h"
  21 #include "hw.h"
  22 #include "reg.h"
  23 #include "phy.h"
  24 #include "initvals.h"
  25
  26 #define ATH9K_CLOCK_RATE_CCK            22
  27 #define ATH9K_CLOCK_RATE_5GHZ_OFDM      40
  28 #define ATH9K_CLOCK_RATE_2GHZ_OFDM      44
  29
  30 static bool ath9k_hw_set_reset_reg(struct ath_hal *ah, u32 type);
  31 static void ath9k_hw_set_regs(struct ath_hal *ah, struct ath9k_channel *chan,
  32                               enum ath9k_ht_macmode macmode);
  33 static u32 ath9k_hw_ini_fixup(struct ath_hal *ah,
  34                               struct ar5416_eeprom_def *pEepData,
  35                               u32 reg, u32 value);
  36 static void ath9k_hw_9280_spur_mitigate(struct ath_hal *ah, struct ath9k_channel *chan);
  37 static void ath9k_hw_spur_mitigate(struct ath_hal *ah, struct ath9k_channel *chan);
  38
  39 /********************/
  40 /* Helper Functions */
  41 /********************/
  42
  43 static u32 ath9k_hw_mac_usec(struct ath_hal *ah, u32 clks)
  44 {
  45         struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
  46         if (!ah->ah_curchan) /* should really check for CCK instead */
  47                 return clks / ATH9K_CLOCK_RATE_CCK;
  48         if (conf->channel->band == IEEE80211_BAND_2GHZ)
  49                 return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
  50         return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
  51 }
  52
  53 static u32 ath9k_hw_mac_to_usec(struct ath_hal *ah, u32 clks)
  54 {
  55         struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
  56         if (conf_is_ht40(conf))
  57                 return ath9k_hw_mac_usec(ah, clks) / 2;
  58         else
  59                 return ath9k_hw_mac_usec(ah, clks);
  60 }
  61
  62 static u32 ath9k_hw_mac_clks(struct ath_hal *ah, u32 usecs)
  63 {
  64         struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
  65         if (!ah->ah_curchan) /* should really check for CCK instead */
  66                 return usecs *ATH9K_CLOCK_RATE_CCK;
  67         if (conf->channel->band == IEEE80211_BAND_2GHZ)
  68                 return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
  69         return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
  70 }
  71
  72 static u32 ath9k_hw_mac_to_clks(struct ath_hal *ah, u32 usecs)
  73 {
  74         struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
  75         if (conf_is_ht40(conf))
  76                 return ath9k_hw_mac_clks(ah, usecs) * 2;
  77         else
  78                 return ath9k_hw_mac_clks(ah, usecs);
  79 }
  80
  81 bool ath9k_hw_wait(struct ath_hal *ah, u32 reg, u32 mask, u32 val)
  82 {
  83         int i;
  84
  85         for (i = 0; i < (AH_TIMEOUT / AH_TIME_QUANTUM); i++) {
  86                 if ((REG_READ(ah, reg) & mask) == val)
  87                         return true;
  88
  89                 udelay(AH_TIME_QUANTUM);
  90         }
  91
  92         DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
  93                 "timeout on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
  94                 reg, REG_READ(ah, reg), mask, val);
  95
  96         return false;
  97 }
  98
  99 u32 ath9k_hw_reverse_bits(u32 val, u32 n)
 100 {
 101         u32 retval;
 102         int i;
 103
 104         for (i = 0, retval = 0; i < n; i++) {
 105                 retval = (retval << 1) | (val & 1);
 106                 val >>= 1;
 107         }
 108         return retval;
 109 }
 110
 111 bool ath9k_get_channel_edges(struct ath_hal *ah,
 112                              u16 flags, u16 *low,
 113                              u16 *high)
 114 {
 115         struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
 116
 117         if (flags & CHANNEL_5GHZ) {
 118                 *low = pCap->low_5ghz_chan;
 119                 *high = pCap->high_5ghz_chan;
 120                 return true;
 121         }
 122         if ((flags & CHANNEL_2GHZ)) {
 123                 *low = pCap->low_2ghz_chan;
 124                 *high = pCap->high_2ghz_chan;
 125                 return true;
 126         }
 127         return false;
 128 }
 129
 130 u16 ath9k_hw_computetxtime(struct ath_hal *ah,
 131                            struct ath_rate_table *rates,
 132                            u32 frameLen, u16 rateix,
 133                            bool shortPreamble)
 134 {
 135         u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
 136         u32 kbps;
 137
 138         kbps = rates->info[rateix].ratekbps;
 139
 140         if (kbps == 0)
 141                 return 0;
 142
 143         switch (rates->info[rateix].phy) {
 144         case WLAN_RC_PHY_CCK:
 145                 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
 146                 if (shortPreamble && rates->info[rateix].short_preamble)
 147                         phyTime >>= 1;
 148                 numBits = frameLen << 3;
 149                 txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
 150                 break;
 151         case WLAN_RC_PHY_OFDM:
 152                 if (ah->ah_curchan && IS_CHAN_QUARTER_RATE(ah->ah_curchan)) {
 153                         bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
 154                         numBits = OFDM_PLCP_BITS + (frameLen << 3);
 155                         numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
 156                         txTime = OFDM_SIFS_TIME_QUARTER
 157                                 + OFDM_PREAMBLE_TIME_QUARTER
 158                                 + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
 159                 } else if (ah->ah_curchan &&
 160                            IS_CHAN_HALF_RATE(ah->ah_curchan)) {
 161                         bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
 162                         numBits = OFDM_PLCP_BITS + (frameLen << 3);
 163                         numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
 164                         txTime = OFDM_SIFS_TIME_HALF +
 165                                 OFDM_PREAMBLE_TIME_HALF
 166                                 + (numSymbols * OFDM_SYMBOL_TIME_HALF);
 167                 } else {
 168                         bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
 169                         numBits = OFDM_PLCP_BITS + (frameLen << 3);
 170                         numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
 171                         txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
 172                                 + (numSymbols * OFDM_SYMBOL_TIME);
 173                 }
 174                 break;
 175         default:
 176                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
 177                         "Unknown phy %u (rate ix %u)\n",
 178                         rates->info[rateix].phy, rateix);
 179                 txTime = 0;
 180                 break;
 181         }
 182
 183         return txTime;
 184 }
 185
 186 u32 ath9k_hw_mhz2ieee(struct ath_hal *ah, u32 freq, u32 flags)
 187 {
 188         if (flags & CHANNEL_2GHZ) {
 189                 if (freq == 2484)
 190                         return 14;
 191                 if (freq < 2484)
 192                         return (freq - 2407) / 5;
 193                 else
 194                         return 15 + ((freq - 2512) / 20);
 195         } else if (flags & CHANNEL_5GHZ) {
 196                 if (ath9k_regd_is_public_safety_sku(ah) &&
 197                     IS_CHAN_IN_PUBLIC_SAFETY_BAND(freq)) {
 198                         return ((freq * 10) +
 199                                 (((freq % 5) == 2) ? 5 : 0) - 49400) / 5;
 200                 } else if ((flags & CHANNEL_A) && (freq <= 5000)) {
 201                         return (freq - 4000) / 5;
 202                 } else {
 203                         return (freq - 5000) / 5;
 204                 }
 205         } else {
 206                 if (freq == 2484)
 207                         return 14;
 208                 if (freq < 2484)
 209                         return (freq - 2407) / 5;
 210                 if (freq < 5000) {
 211                         if (ath9k_regd_is_public_safety_sku(ah)
 212                             && IS_CHAN_IN_PUBLIC_SAFETY_BAND(freq)) {
 213                                 return ((freq * 10) +
 214                                         (((freq % 5) ==
 215                                           2) ? 5 : 0) - 49400) / 5;
 216                         } else if (freq > 4900) {
 217                                 return (freq - 4000) / 5;
 218                         } else {
 219                                 return 15 + ((freq - 2512) / 20);
 220                         }
 221                 }
 222                 return (freq - 5000) / 5;
 223         }
 224 }
 225
 226 void ath9k_hw_get_channel_centers(struct ath_hal *ah,
 227                                   struct ath9k_channel *chan,
 228                                   struct chan_centers *centers)
 229 {
 230         int8_t extoff;
 231         struct ath_hal_5416 *ahp = AH5416(ah);
 232
 233         if (!IS_CHAN_HT40(chan)) {
 234                 centers->ctl_center = centers->ext_center =
 235                         centers->synth_center = chan->channel;
 236                 return;
 237         }
 238
 239         if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
 240             (chan->chanmode == CHANNEL_G_HT40PLUS)) {
 241                 centers->synth_center =
 242                         chan->channel + HT40_CHANNEL_CENTER_SHIFT;
 243                 extoff = 1;
 244         } else {
 245                 centers->synth_center =
 246                         chan->channel - HT40_CHANNEL_CENTER_SHIFT;
 247                 extoff = -1;
 248         }
 249
 250         centers->ctl_center =
 251                 centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
 252         centers->ext_center =
 253                 centers->synth_center + (extoff *
 254                          ((ahp->ah_extprotspacing == ATH9K_HT_EXTPROTSPACING_20) ?
 255                           HT40_CHANNEL_CENTER_SHIFT : 15));
 256
 257 }
 258
 259 /******************/
 260 /* Chip Revisions */
 261 /******************/
 262
 263 static void ath9k_hw_read_revisions(struct ath_hal *ah)
 264 {
 265         u32 val;
 266
 267         val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
 268
 269         if (val == 0xFF) {
 270                 val = REG_READ(ah, AR_SREV);
 271                 ah->ah_macVersion = (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
 272                 ah->ah_macRev = MS(val, AR_SREV_REVISION2);
 273                 ah->ah_isPciExpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
 274         } else {
 275                 if (!AR_SREV_9100(ah))
 276                         ah->ah_macVersion = MS(val, AR_SREV_VERSION);
 277
 278                 ah->ah_macRev = val & AR_SREV_REVISION;
 279
 280                 if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCIE)
 281                         ah->ah_isPciExpress = true;
 282         }
 283 }
 284
 285 static int ath9k_hw_get_radiorev(struct ath_hal *ah)
 286 {
 287         u32 val;
 288         int i;
 289
 290         REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
 291
 292         for (i = 0; i < 8; i++)
 293                 REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
 294         val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
 295         val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
 296
 297         return ath9k_hw_reverse_bits(val, 8);
 298 }
 299
 300 /************************************/
 301 /* HW Attach, Detach, Init Routines */
 302 /************************************/
 303
 304 static void ath9k_hw_disablepcie(struct ath_hal *ah)
 305 {
 306         if (!AR_SREV_9100(ah))
 307                 return;
 308
 309         REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
 310         REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
 311         REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
 312         REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
 313         REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
 314         REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
 315         REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
 316         REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
 317         REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
 318
 319         REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
 320 }
 321
 322 static bool ath9k_hw_chip_test(struct ath_hal *ah)
 323 {
 324         u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
 325         u32 regHold[2];
 326         u32 patternData[4] = { 0x55555555,
 327                                0xaaaaaaaa,
 328                                0x66666666,
 329                                0x99999999 };
 330         int i, j;
 331
 332         for (i = 0; i < 2; i++) {
 333                 u32 addr = regAddr[i];
 334                 u32 wrData, rdData;
 335
 336                 regHold[i] = REG_READ(ah, addr);
 337                 for (j = 0; j < 0x100; j++) {
 338                         wrData = (j << 16) | j;
 339                         REG_WRITE(ah, addr, wrData);
 340                         rdData = REG_READ(ah, addr);
 341                         if (rdData != wrData) {
 342                                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
 343                                         "address test failed "
 344                                         "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
 345                                         addr, wrData, rdData);
 346                                 return false;
 347                         }
 348                 }
 349                 for (j = 0; j < 4; j++) {
 350                         wrData = patternData[j];
 351                         REG_WRITE(ah, addr, wrData);
 352                         rdData = REG_READ(ah, addr);
 353                         if (wrData != rdData) {
 354                                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
 355                                         "address test failed "
 356                                         "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
 357                                         addr, wrData, rdData);
 358                                 return false;
 359                         }
 360                 }
 361                 REG_WRITE(ah, regAddr[i], regHold[i]);
 362         }
 363         udelay(100);
 364         return true;
 365 }
 366
 367 static const char *ath9k_hw_devname(u16 devid)
 368 {
 369         switch (devid) {
 370         case AR5416_DEVID_PCI:
 371                 return "Atheros 5416";
 372         case AR5416_DEVID_PCIE:
 373                 return "Atheros 5418";
 374         case AR9160_DEVID_PCI:
 375                 return "Atheros 9160";
 376         case AR9280_DEVID_PCI:
 377         case AR9280_DEVID_PCIE:
 378                 return "Atheros 9280";
 379         case AR9285_DEVID_PCIE:
 380                 return "Atheros 9285";
 381         }
 382
 383         return NULL;
 384 }
 385
 386 static void ath9k_hw_set_defaults(struct ath_hal *ah)
 387 {
 388         int i;
 389
 390         ah->ah_config.dma_beacon_response_time = 2;
 391         ah->ah_config.sw_beacon_response_time = 10;
 392         ah->ah_config.additional_swba_backoff = 0;
 393         ah->ah_config.ack_6mb = 0x0;
 394         ah->ah_config.cwm_ignore_extcca = 0;
 395         ah->ah_config.pcie_powersave_enable = 0;
 396         ah->ah_config.pcie_l1skp_enable = 0;
 397         ah->ah_config.pcie_clock_req = 0;
 398         ah->ah_config.pcie_power_reset = 0x100;
 399         ah->ah_config.pcie_restore = 0;
 400         ah->ah_config.pcie_waen = 0;
 401         ah->ah_config.analog_shiftreg = 1;
 402         ah->ah_config.ht_enable = 1;
 403         ah->ah_config.ofdm_trig_low = 200;
 404         ah->ah_config.ofdm_trig_high = 500;
 405         ah->ah_config.cck_trig_high = 200;
 406         ah->ah_config.cck_trig_low = 100;
 407         ah->ah_config.enable_ani = 1;
 408         ah->ah_config.noise_immunity_level = 4;
 409         ah->ah_config.ofdm_weaksignal_det = 1;
 410         ah->ah_config.cck_weaksignal_thr = 0;
 411         ah->ah_config.spur_immunity_level = 2;
 412         ah->ah_config.firstep_level = 0;
 413         ah->ah_config.rssi_thr_high = 40;
 414         ah->ah_config.rssi_thr_low = 7;
 415         ah->ah_config.diversity_control = 0;
 416         ah->ah_config.antenna_switch_swap = 0;
 417
 418         for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 419                 ah->ah_config.spurchans[i][0] = AR_NO_SPUR;
 420                 ah->ah_config.spurchans[i][1] = AR_NO_SPUR;
 421         }
 422
 423         ah->ah_config.intr_mitigation = 1;
 424 }
 425
 426 static struct ath_hal_5416 *ath9k_hw_newstate(u16 devid,
 427                                               struct ath_softc *sc,
 428                                               void __iomem *mem,
 429                                               int *status)
 430 {
 431         static const u8 defbssidmask[ETH_ALEN] =
 432                 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 433         struct ath_hal_5416 *ahp;
 434         struct ath_hal *ah;
 435
 436         ahp = kzalloc(sizeof(struct ath_hal_5416), GFP_KERNEL);
 437         if (ahp == NULL) {
 438                 DPRINTF(sc, ATH_DBG_FATAL,
 439                         "Cannot allocate memory for state block\n");
 440                 *status = -ENOMEM;
 441                 return NULL;
 442         }
 443
 444         ah = &ahp->ah;
 445         ah->ah_sc = sc;
 446         ah->ah_sh = mem;
 447         ah->ah_magic = AR5416_MAGIC;
 448         ah->ah_countryCode = CTRY_DEFAULT;
 449         ah->ah_devid = devid;
 450         ah->ah_subvendorid = 0;
 451
 452         ah->ah_flags = 0;
 453         if ((devid == AR5416_AR9100_DEVID))
 454                 ah->ah_macVersion = AR_SREV_VERSION_9100;
 455         if (!AR_SREV_9100(ah))
 456                 ah->ah_flags = AH_USE_EEPROM;
 457
 458         ah->ah_powerLimit = MAX_RATE_POWER;
 459         ah->ah_tpScale = ATH9K_TP_SCALE_MAX;
 460         ahp->ah_atimWindow = 0;
 461         ahp->ah_diversityControl = ah->ah_config.diversity_control;
 462         ahp->ah_antennaSwitchSwap =
 463                 ah->ah_config.antenna_switch_swap;
 464         ahp->ah_staId1Defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
 465         ahp->ah_beaconInterval = 100;
 466         ahp->ah_enable32kHzClock = DONT_USE_32KHZ;
 467         ahp->ah_slottime = (u32) -1;
 468         ahp->ah_acktimeout = (u32) -1;
 469         ahp->ah_ctstimeout = (u32) -1;
 470         ahp->ah_globaltxtimeout = (u32) -1;
 471         memcpy(&ahp->ah_bssidmask, defbssidmask, ETH_ALEN);
 472
 473         ahp->ah_gBeaconRate = 0;
 474
 475         return ahp;
 476 }
 477
 478 static int ath9k_hw_rfattach(struct ath_hal *ah)
 479 {
 480         bool rfStatus = false;
 481         int ecode = 0;
 482
 483         rfStatus = ath9k_hw_init_rf(ah, &ecode);
 484         if (!rfStatus) {
 485                 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 486                         "RF setup failed, status %u\n", ecode);
 487                 return ecode;
 488         }
 489
 490         return 0;
 491 }
 492
 493 static int ath9k_hw_rf_claim(struct ath_hal *ah)
 494 {
 495         u32 val;
 496
 497         REG_WRITE(ah, AR_PHY(0), 0x00000007);
 498
 499         val = ath9k_hw_get_radiorev(ah);
 500         switch (val & AR_RADIO_SREV_MAJOR) {
 501         case 0:
 502                 val = AR_RAD5133_SREV_MAJOR;
 503                 break;
 504         case AR_RAD5133_SREV_MAJOR:
 505         case AR_RAD5122_SREV_MAJOR:
 506         case AR_RAD2133_SREV_MAJOR:
 507         case AR_RAD2122_SREV_MAJOR:
 508                 break;
 509         default:
 510                 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
 511                         "5G Radio Chip Rev 0x%02X is not "
 512                         "supported by this driver\n",
 513                         ah->ah_analog5GhzRev);
 514                 return -EOPNOTSUPP;
 515         }
 516
 517         ah->ah_analog5GhzRev = val;
 518
 519         return 0;
 520 }
 521
 522 static int ath9k_hw_init_macaddr(struct ath_hal *ah)
 523 {
 524         u32 sum;
 525         int i;
 526         u16 eeval;
 527         struct ath_hal_5416 *ahp = AH5416(ah);
 528
 529         sum = 0;
 530         for (i = 0; i < 3; i++) {
 531                 eeval = ath9k_hw_get_eeprom(ah, AR_EEPROM_MAC(i));
 532                 sum += eeval;
 533                 ahp->ah_macaddr[2 * i] = eeval >> 8;
 534                 ahp->ah_macaddr[2 * i + 1] = eeval & 0xff;
 535         }
 536         if (sum == 0 || sum == 0xffff * 3) {
 537                 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
 538                         "mac address read failed: %pM\n",
 539                         ahp->ah_macaddr);
 540                 return -EADDRNOTAVAIL;
 541         }
 542
 543         return 0;
 544 }
 545
 546 static void ath9k_hw_init_rxgain_ini(struct ath_hal *ah)
 547 {
 548         u32 rxgain_type;
 549         struct ath_hal_5416 *ahp = AH5416(ah);
 550
 551         if (ath9k_hw_get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_17) {
 552                 rxgain_type = ath9k_hw_get_eeprom(ah, EEP_RXGAIN_TYPE);
 553
 554                 if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
 555                         INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
 556                         ar9280Modes_backoff_13db_rxgain_9280_2,
 557                         ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
 558                 else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
 559                         INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
 560                         ar9280Modes_backoff_23db_rxgain_9280_2,
 561                         ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
 562                 else
 563                         INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
 564                         ar9280Modes_original_rxgain_9280_2,
 565                         ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 566         } else
 567                 INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
 568                         ar9280Modes_original_rxgain_9280_2,
 569                         ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 570 }
 571
 572 static void ath9k_hw_init_txgain_ini(struct ath_hal *ah)
 573 {
 574         u32 txgain_type;
 575         struct ath_hal_5416 *ahp = AH5416(ah);
 576
 577         if (ath9k_hw_get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_19) {
 578                 txgain_type = ath9k_hw_get_eeprom(ah, EEP_TXGAIN_TYPE);
 579
 580                 if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
 581                         INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
 582                         ar9280Modes_high_power_tx_gain_9280_2,
 583                         ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
 584                 else
 585                         INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
 586                         ar9280Modes_original_tx_gain_9280_2,
 587                         ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
 588         } else
 589                 INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
 590                 ar9280Modes_original_tx_gain_9280_2,
 591                 ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
 592 }
 593
 594 static int ath9k_hw_post_attach(struct ath_hal *ah)
 595 {
 596         int ecode;
 597
 598         if (!ath9k_hw_chip_test(ah)) {
 599                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
 600                         "hardware self-test failed\n");
 601                 return -ENODEV;
 602         }
 603
 604         ecode = ath9k_hw_rf_claim(ah);
 605         if (ecode != 0)
 606                 return ecode;
 607
 608         ecode = ath9k_hw_eeprom_attach(ah);
 609         if (ecode != 0)
 610                 return ecode;
 611         ecode = ath9k_hw_rfattach(ah);
 612         if (ecode != 0)
 613                 return ecode;
 614
 615         if (!AR_SREV_9100(ah)) {
 616                 ath9k_hw_ani_setup(ah);
 617                 ath9k_hw_ani_attach(ah);
 618         }
 619
 620         return 0;
 621 }
 622
 623 static struct ath_hal *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
 624                                           void __iomem *mem, int *status)
 625 {
 626         struct ath_hal_5416 *ahp;
 627         struct ath_hal *ah;
 628         int ecode;
 629         u32 i, j;
 630
 631         ahp = ath9k_hw_newstate(devid, sc, mem, status);
 632         if (ahp == NULL)
 633                 return NULL;
 634
 635         ah = &ahp->ah;
 636
 637         ath9k_hw_set_defaults(ah);
 638
 639         if (ah->ah_config.intr_mitigation != 0)
 640                 ahp->ah_intrMitigation = true;
 641
 642         if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
 643                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "Couldn't reset chip\n");
 644                 ecode = -EIO;
 645                 goto bad;
 646         }
 647
 648         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
 649                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "Couldn't wakeup chip\n");
 650                 ecode = -EIO;
 651                 goto bad;
 652         }
 653
 654         if (ah->ah_config.serialize_regmode == SER_REG_MODE_AUTO) {
 655                 if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) {
 656                         ah->ah_config.serialize_regmode =
 657                                 SER_REG_MODE_ON;
 658                 } else {
 659                         ah->ah_config.serialize_regmode =
 660                                 SER_REG_MODE_OFF;
 661                 }
 662         }
 663
 664         DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 665                 "serialize_regmode is %d\n",
 666                 ah->ah_config.serialize_regmode);
 667
 668         if ((ah->ah_macVersion != AR_SREV_VERSION_5416_PCI) &&
 669             (ah->ah_macVersion != AR_SREV_VERSION_5416_PCIE) &&
 670             (ah->ah_macVersion != AR_SREV_VERSION_9160) &&
 671             (!AR_SREV_9100(ah)) && (!AR_SREV_9280(ah)) && (!AR_SREV_9285(ah))) {
 672                 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 673                         "Mac Chip Rev 0x%02x.%x is not supported by "
 674                         "this driver\n", ah->ah_macVersion, ah->ah_macRev);
 675                 ecode = -EOPNOTSUPP;
 676                 goto bad;
 677         }
 678
 679         if (AR_SREV_9100(ah)) {
 680                 ahp->ah_iqCalData.calData = &iq_cal_multi_sample;
 681                 ahp->ah_suppCals = IQ_MISMATCH_CAL;
 682                 ah->ah_isPciExpress = false;
 683         }
 684         ah->ah_phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
 685
 686         if (AR_SREV_9160_10_OR_LATER(ah)) {
 687                 if (AR_SREV_9280_10_OR_LATER(ah)) {
 688                         ahp->ah_iqCalData.calData = &iq_cal_single_sample;
 689                         ahp->ah_adcGainCalData.calData =
 690                                 &adc_gain_cal_single_sample;
 691                         ahp->ah_adcDcCalData.calData =
 692                                 &adc_dc_cal_single_sample;
 693                         ahp->ah_adcDcCalInitData.calData =
 694                                 &adc_init_dc_cal;
 695                 } else {
 696                         ahp->ah_iqCalData.calData = &iq_cal_multi_sample;
 697                         ahp->ah_adcGainCalData.calData =
 698                                 &adc_gain_cal_multi_sample;
 699                         ahp->ah_adcDcCalData.calData =
 700                                 &adc_dc_cal_multi_sample;
 701                         ahp->ah_adcDcCalInitData.calData =
 702                                 &adc_init_dc_cal;
 703                 }
 704                 ahp->ah_suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
 705         }
 706
 707         if (AR_SREV_9160(ah)) {
 708                 ah->ah_config.enable_ani = 1;
 709                 ahp->ah_ani_function = (ATH9K_ANI_SPUR_IMMUNITY_LEVEL |
 710                                         ATH9K_ANI_FIRSTEP_LEVEL);
 711         } else {
 712                 ahp->ah_ani_function = ATH9K_ANI_ALL;
 713                 if (AR_SREV_9280_10_OR_LATER(ah)) {
 714                         ahp->ah_ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
 715                 }
 716         }
 717
 718         DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 719                 "This Mac Chip Rev 0x%02x.%x is \n",
 720                 ah->ah_macVersion, ah->ah_macRev);
 721
 722         if (AR_SREV_9285_12_OR_LATER(ah)) {
 723                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9285Modes_9285_1_2,
 724                                ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
 725                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9285Common_9285_1_2,
 726                                ARRAY_SIZE(ar9285Common_9285_1_2), 2);
 727
 728                 if (ah->ah_config.pcie_clock_req) {
 729                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 730                         ar9285PciePhy_clkreq_off_L1_9285_1_2,
 731                         ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
 732                 } else {
 733                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 734                         ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
 735                         ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
 736                                   2);
 737                 }
 738         } else if (AR_SREV_9285_10_OR_LATER(ah)) {
 739                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9285Modes_9285,
 740                                ARRAY_SIZE(ar9285Modes_9285), 6);
 741                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9285Common_9285,
 742                                ARRAY_SIZE(ar9285Common_9285), 2);
 743
 744                 if (ah->ah_config.pcie_clock_req) {
 745                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 746                         ar9285PciePhy_clkreq_off_L1_9285,
 747                         ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285), 2);
 748                 } else {
 749                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 750                         ar9285PciePhy_clkreq_always_on_L1_9285,
 751                         ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285), 2);
 752                 }
 753         } else if (AR_SREV_9280_20_OR_LATER(ah)) {
 754                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9280Modes_9280_2,
 755                                ARRAY_SIZE(ar9280Modes_9280_2), 6);
 756                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9280Common_9280_2,
 757                                ARRAY_SIZE(ar9280Common_9280_2), 2);
 758
 759                 if (ah->ah_config.pcie_clock_req) {
 760                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 761                                ar9280PciePhy_clkreq_off_L1_9280,
 762                                ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280),2);
 763                 } else {
 764                         INIT_INI_ARRAY(&ahp->ah_iniPcieSerdes,
 765                                ar9280PciePhy_clkreq_always_on_L1_9280,
 766                                ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
 767                 }
 768                 INIT_INI_ARRAY(&ahp->ah_iniModesAdditional,
 769                                ar9280Modes_fast_clock_9280_2,
 770                                ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
 771         } else if (AR_SREV_9280_10_OR_LATER(ah)) {
 772                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar9280Modes_9280,
 773                                ARRAY_SIZE(ar9280Modes_9280), 6);
 774                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar9280Common_9280,
 775                                ARRAY_SIZE(ar9280Common_9280), 2);
 776         } else if (AR_SREV_9160_10_OR_LATER(ah)) {
 777                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes_9160,
 778                                ARRAY_SIZE(ar5416Modes_9160), 6);
 779                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common_9160,
 780                                ARRAY_SIZE(ar5416Common_9160), 2);
 781                 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0_9160,
 782                                ARRAY_SIZE(ar5416Bank0_9160), 2);
 783                 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain_9160,
 784                                ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
 785                 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1_9160,
 786                                ARRAY_SIZE(ar5416Bank1_9160), 2);
 787                 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2_9160,
 788                                ARRAY_SIZE(ar5416Bank2_9160), 2);
 789                 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3_9160,
 790                                ARRAY_SIZE(ar5416Bank3_9160), 3);
 791                 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6_9160,
 792                                ARRAY_SIZE(ar5416Bank6_9160), 3);
 793                 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC_9160,
 794                                ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
 795                 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7_9160,
 796                                ARRAY_SIZE(ar5416Bank7_9160), 2);
 797                 if (AR_SREV_9160_11(ah)) {
 798                         INIT_INI_ARRAY(&ahp->ah_iniAddac,
 799                                        ar5416Addac_91601_1,
 800                                        ARRAY_SIZE(ar5416Addac_91601_1), 2);
 801                 } else {
 802                         INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac_9160,
 803                                        ARRAY_SIZE(ar5416Addac_9160), 2);
 804                 }
 805         } else if (AR_SREV_9100_OR_LATER(ah)) {
 806                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes_9100,
 807                                ARRAY_SIZE(ar5416Modes_9100), 6);
 808                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common_9100,
 809                                ARRAY_SIZE(ar5416Common_9100), 2);
 810                 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0_9100,
 811                                ARRAY_SIZE(ar5416Bank0_9100), 2);
 812                 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain_9100,
 813                                ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
 814                 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1_9100,
 815                                ARRAY_SIZE(ar5416Bank1_9100), 2);
 816                 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2_9100,
 817                                ARRAY_SIZE(ar5416Bank2_9100), 2);
 818                 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3_9100,
 819                                ARRAY_SIZE(ar5416Bank3_9100), 3);
 820                 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6_9100,
 821                                ARRAY_SIZE(ar5416Bank6_9100), 3);
 822                 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC_9100,
 823                                ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
 824                 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7_9100,
 825                                ARRAY_SIZE(ar5416Bank7_9100), 2);
 826                 INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac_9100,
 827                                ARRAY_SIZE(ar5416Addac_9100), 2);
 828         } else {
 829                 INIT_INI_ARRAY(&ahp->ah_iniModes, ar5416Modes,
 830                                ARRAY_SIZE(ar5416Modes), 6);
 831                 INIT_INI_ARRAY(&ahp->ah_iniCommon, ar5416Common,
 832                                ARRAY_SIZE(ar5416Common), 2);
 833                 INIT_INI_ARRAY(&ahp->ah_iniBank0, ar5416Bank0,
 834                                ARRAY_SIZE(ar5416Bank0), 2);
 835                 INIT_INI_ARRAY(&ahp->ah_iniBB_RfGain, ar5416BB_RfGain,
 836                                ARRAY_SIZE(ar5416BB_RfGain), 3);
 837                 INIT_INI_ARRAY(&ahp->ah_iniBank1, ar5416Bank1,
 838                                ARRAY_SIZE(ar5416Bank1), 2);
 839                 INIT_INI_ARRAY(&ahp->ah_iniBank2, ar5416Bank2,
 840                                ARRAY_SIZE(ar5416Bank2), 2);
 841                 INIT_INI_ARRAY(&ahp->ah_iniBank3, ar5416Bank3,
 842                                ARRAY_SIZE(ar5416Bank3), 3);
 843                 INIT_INI_ARRAY(&ahp->ah_iniBank6, ar5416Bank6,
 844                                ARRAY_SIZE(ar5416Bank6), 3);
 845                 INIT_INI_ARRAY(&ahp->ah_iniBank6TPC, ar5416Bank6TPC,
 846                                ARRAY_SIZE(ar5416Bank6TPC), 3);
 847                 INIT_INI_ARRAY(&ahp->ah_iniBank7, ar5416Bank7,
 848                                ARRAY_SIZE(ar5416Bank7), 2);
 849                 INIT_INI_ARRAY(&ahp->ah_iniAddac, ar5416Addac,
 850                                ARRAY_SIZE(ar5416Addac), 2);
 851         }
 852
 853         if (ah->ah_isPciExpress)
 854                 ath9k_hw_configpcipowersave(ah, 0);
 855         else
 856                 ath9k_hw_disablepcie(ah);
 857
 858         ecode = ath9k_hw_post_attach(ah);
 859         if (ecode != 0)
 860                 goto bad;
 861
 862         /* rxgain table */
 863         if (AR_SREV_9280_20(ah))
 864                 ath9k_hw_init_rxgain_ini(ah);
 865
 866         /* txgain table */
 867         if (AR_SREV_9280_20(ah))
 868                 ath9k_hw_init_txgain_ini(ah);
 869
 870         if (ah->ah_devid == AR9280_DEVID_PCI) {
 871                 for (i = 0; i < ahp->ah_iniModes.ia_rows; i++) {
 872                         u32 reg = INI_RA(&ahp->ah_iniModes, i, 0);
 873
 874                         for (j = 1; j < ahp->ah_iniModes.ia_columns; j++) {
 875                                 u32 val = INI_RA(&ahp->ah_iniModes, i, j);
 876
 877                                 INI_RA(&ahp->ah_iniModes, i, j) =
 878                                         ath9k_hw_ini_fixup(ah,
 879                                                            &ahp->ah_eeprom.def,
 880                                                            reg, val);
 881                         }
 882                 }
 883         }
 884
 885         if (!ath9k_hw_fill_cap_info(ah)) {
 886                 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 887                         "failed ath9k_hw_fill_cap_info\n");
 888                 ecode = -EINVAL;
 889                 goto bad;
 890         }
 891
 892         ecode = ath9k_hw_init_macaddr(ah);
 893         if (ecode != 0) {
 894                 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
 895                         "failed initializing mac address\n");
 896                 goto bad;
 897         }
 898
 899         if (AR_SREV_9285(ah))
 900                 ah->ah_txTrigLevel = (AR_FTRIG_256B >> AR_FTRIG_S);
 901         else
 902                 ah->ah_txTrigLevel = (AR_FTRIG_512B >> AR_FTRIG_S);
 903
 904         ath9k_init_nfcal_hist_buffer(ah);
 905
 906         return ah;
 907 bad:
 908         if (ahp)
 909                 ath9k_hw_detach((struct ath_hal *) ahp);
 910         if (status)
 911                 *status = ecode;
 912
 913         return NULL;
 914 }
 915
 916 static void ath9k_hw_init_bb(struct ath_hal *ah,
 917                              struct ath9k_channel *chan)
 918 {
 919         u32 synthDelay;
 920
 921         synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
 922         if (IS_CHAN_B(chan))
 923                 synthDelay = (4 * synthDelay) / 22;
 924         else
 925                 synthDelay /= 10;
 926
 927         REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
 928
 929         udelay(synthDelay + BASE_ACTIVATE_DELAY);
 930 }
 931
 932 static void ath9k_hw_init_qos(struct ath_hal *ah)
 933 {
 934         REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
 935         REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
 936
 937         REG_WRITE(ah, AR_QOS_NO_ACK,
 938                   SM(2, AR_QOS_NO_ACK_TWO_BIT) |
 939                   SM(5, AR_QOS_NO_ACK_BIT_OFF) |
 940                   SM(0, AR_QOS_NO_ACK_BYTE_OFF));
 941
 942         REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
 943         REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
 944         REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
 945         REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
 946         REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
 947 }
 948
 949 static void ath9k_hw_init_pll(struct ath_hal *ah,
 950                               struct ath9k_channel *chan)
 951 {
 952         u32 pll;
 953
 954         if (AR_SREV_9100(ah)) {
 955                 if (chan && IS_CHAN_5GHZ(chan))
 956                         pll = 0x1450;
 957                 else
 958                         pll = 0x1458;
 959         } else {
 960                 if (AR_SREV_9280_10_OR_LATER(ah)) {
 961                         pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
 962
 963                         if (chan && IS_CHAN_HALF_RATE(chan))
 964                                 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
 965                         else if (chan && IS_CHAN_QUARTER_RATE(chan))
 966                                 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
 967
 968                         if (chan && IS_CHAN_5GHZ(chan)) {
 969                                 pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
 970
 971
 972                                 if (AR_SREV_9280_20(ah)) {
 973                                         if (((chan->channel % 20) == 0)
 974                                             || ((chan->channel % 10) == 0))
 975                                                 pll = 0x2850;
 976                                         else
 977                                                 pll = 0x142c;
 978                                 }
 979                         } else {
 980                                 pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
 981                         }
 982
 983                 } else if (AR_SREV_9160_10_OR_LATER(ah)) {
 984
 985                         pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
 986
 987                         if (chan && IS_CHAN_HALF_RATE(chan))
 988                                 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
 989                         else if (chan && IS_CHAN_QUARTER_RATE(chan))
 990                                 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
 991
 992                         if (chan && IS_CHAN_5GHZ(chan))
 993                                 pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
 994                         else
 995                                 pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
 996                 } else {
 997                         pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
 998
 999                         if (chan && IS_CHAN_HALF_RATE(chan))
1000                                 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1001                         else if (chan && IS_CHAN_QUARTER_RATE(chan))
1002                                 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1003
1004                         if (chan && IS_CHAN_5GHZ(chan))
1005                                 pll |= SM(0xa, AR_RTC_PLL_DIV);
1006                         else
1007                                 pll |= SM(0xb, AR_RTC_PLL_DIV);
1008                 }
1009         }
1010         REG_WRITE(ah, (u16) (AR_RTC_PLL_CONTROL), pll);
1011
1012         udelay(RTC_PLL_SETTLE_DELAY);
1013
1014         REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
1015 }
1016
1017 static void ath9k_hw_init_chain_masks(struct ath_hal *ah)
1018 {
1019         struct ath_hal_5416 *ahp = AH5416(ah);
1020         int rx_chainmask, tx_chainmask;
1021
1022         rx_chainmask = ahp->ah_rxchainmask;
1023         tx_chainmask = ahp->ah_txchainmask;
1024
1025         switch (rx_chainmask) {
1026         case 0x5:
1027                 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
1028                             AR_PHY_SWAP_ALT_CHAIN);
1029         case 0x3:
1030                 if (((ah)->ah_macVersion <= AR_SREV_VERSION_9160)) {
1031                         REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
1032                         REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
1033                         break;
1034                 }
1035         case 0x1:
1036         case 0x2:
1037         case 0x7:
1038                 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
1039                 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
1040                 break;
1041         default:
1042                 break;
1043         }
1044
1045         REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
1046         if (tx_chainmask == 0x5) {
1047                 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
1048                             AR_PHY_SWAP_ALT_CHAIN);
1049         }
1050         if (AR_SREV_9100(ah))
1051                 REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
1052                           REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
1053 }
1054
1055 static void ath9k_hw_init_interrupt_masks(struct ath_hal *ah,
1056                                           enum nl80211_iftype opmode)
1057 {
1058         struct ath_hal_5416 *ahp = AH5416(ah);
1059
1060         ahp->ah_maskReg = AR_IMR_TXERR |
1061                 AR_IMR_TXURN |
1062                 AR_IMR_RXERR |
1063                 AR_IMR_RXORN |
1064                 AR_IMR_BCNMISC;
1065
1066         if (ahp->ah_intrMitigation)
1067                 ahp->ah_maskReg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
1068         else
1069                 ahp->ah_maskReg |= AR_IMR_RXOK;
1070
1071         ahp->ah_maskReg |= AR_IMR_TXOK;
1072
1073         if (opmode == NL80211_IFTYPE_AP)
1074                 ahp->ah_maskReg |= AR_IMR_MIB;
1075
1076         REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
1077         REG_WRITE(ah, AR_IMR_S2, REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT);
1078
1079         if (!AR_SREV_9100(ah)) {
1080                 REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
1081                 REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
1082                 REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
1083         }
1084 }
1085
1086 static bool ath9k_hw_set_ack_timeout(struct ath_hal *ah, u32 us)
1087 {
1088         struct ath_hal_5416 *ahp = AH5416(ah);
1089
1090         if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
1091                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad ack timeout %u\n", us);
1092                 ahp->ah_acktimeout = (u32) -1;
1093                 return false;
1094         } else {
1095                 REG_RMW_FIELD(ah, AR_TIME_OUT,
1096                               AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
1097                 ahp->ah_acktimeout = us;
1098                 return true;
1099         }
1100 }
1101
1102 static bool ath9k_hw_set_cts_timeout(struct ath_hal *ah, u32 us)
1103 {
1104         struct ath_hal_5416 *ahp = AH5416(ah);
1105
1106         if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
1107                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad cts timeout %u\n", us);
1108                 ahp->ah_ctstimeout = (u32) -1;
1109                 return false;
1110         } else {
1111                 REG_RMW_FIELD(ah, AR_TIME_OUT,
1112                               AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
1113                 ahp->ah_ctstimeout = us;
1114                 return true;
1115         }
1116 }
1117
1118 static bool ath9k_hw_set_global_txtimeout(struct ath_hal *ah, u32 tu)
1119 {
1120         struct ath_hal_5416 *ahp = AH5416(ah);
1121
1122         if (tu > 0xFFFF) {
1123                 DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
1124                         "bad global tx timeout %u\n", tu);
1125                 ahp->ah_globaltxtimeout = (u32) -1;
1126                 return false;
1127         } else {
1128                 REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
1129                 ahp->ah_globaltxtimeout = tu;
1130                 return true;
1131         }
1132 }
1133
1134 static void ath9k_hw_init_user_settings(struct ath_hal *ah)
1135 {
1136         struct ath_hal_5416 *ahp = AH5416(ah);
1137
1138         DPRINTF(ah->ah_sc, ATH_DBG_RESET, "ahp->ah_miscMode 0x%x\n",
1139                 ahp->ah_miscMode);
1140
1141         if (ahp->ah_miscMode != 0)
1142                 REG_WRITE(ah, AR_PCU_MISC,
1143                           REG_READ(ah, AR_PCU_MISC) | ahp->ah_miscMode);
1144         if (ahp->ah_slottime != (u32) -1)
1145                 ath9k_hw_setslottime(ah, ahp->ah_slottime);
1146         if (ahp->ah_acktimeout != (u32) -1)
1147                 ath9k_hw_set_ack_timeout(ah, ahp->ah_acktimeout);
1148         if (ahp->ah_ctstimeout != (u32) -1)
1149                 ath9k_hw_set_cts_timeout(ah, ahp->ah_ctstimeout);
1150         if (ahp->ah_globaltxtimeout != (u32) -1)
1151                 ath9k_hw_set_global_txtimeout(ah, ahp->ah_globaltxtimeout);
1152 }
1153
1154 const char *ath9k_hw_probe(u16 vendorid, u16 devid)
1155 {
1156         return vendorid == ATHEROS_VENDOR_ID ?
1157                 ath9k_hw_devname(devid) : NULL;
1158 }
1159
1160 void ath9k_hw_detach(struct ath_hal *ah)
1161 {
1162         if (!AR_SREV_9100(ah))
1163                 ath9k_hw_ani_detach(ah);
1164
1165         ath9k_hw_rfdetach(ah);
1166         ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
1167         kfree(ah);
1168 }
1169
1170 struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc,
1171                                 void __iomem *mem, int *error)
1172 {
1173         struct ath_hal *ah = NULL;
1174
1175         switch (devid) {
1176         case AR5416_DEVID_PCI:
1177         case AR5416_DEVID_PCIE:
1178         case AR9160_DEVID_PCI:
1179         case AR9280_DEVID_PCI:
1180         case AR9280_DEVID_PCIE:
1181         case AR9285_DEVID_PCIE:
1182                 ah = ath9k_hw_do_attach(devid, sc, mem, error);
1183                 break;
1184         default:
1185                 *error = -ENXIO;
1186                 break;
1187         }
1188
1189         return ah;
1190 }
1191
1192 /*******/
1193 /* INI */
1194 /*******/
1195
1196 static void ath9k_hw_override_ini(struct ath_hal *ah,
1197                                   struct ath9k_channel *chan)
1198 {
1199         /*
1200          * Set the RX_ABORT and RX_DIS and clear if off only after
1201          * RXE is set for MAC. This prevents frames with corrupted
1202          * descriptor status.
1203          */
1204         REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
1205
1206
1207         if (!AR_SREV_5416_V20_OR_LATER(ah) ||
1208             AR_SREV_9280_10_OR_LATER(ah))
1209                 return;
1210
1211         REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
1212 }
1213
1214 static u32 ath9k_hw_def_ini_fixup(struct ath_hal *ah,
1215                               struct ar5416_eeprom_def *pEepData,
1216                               u32 reg, u32 value)
1217 {
1218         struct base_eep_header *pBase = &(pEepData->baseEepHeader);
1219
1220         switch (ah->ah_devid) {
1221         case AR9280_DEVID_PCI:
1222                 if (reg == 0x7894) {
1223                         DPRINTF(ah->ah_sc, ATH_DBG_ANY,
1224                                 "ini VAL: %x  EEPROM: %x\n", value,
1225                                 (pBase->version & 0xff));
1226
1227                         if ((pBase->version & 0xff) > 0x0a) {
1228                                 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
1229                                         "PWDCLKIND: %d\n",
1230                                         pBase->pwdclkind);
1231                                 value &= ~AR_AN_TOP2_PWDCLKIND;
1232                                 value |= AR_AN_TOP2_PWDCLKIND &
1233                                         (pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
1234                         } else {
1235                                 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
1236                                         "PWDCLKIND Earlier Rev\n");
1237                         }
1238
1239                         DPRINTF(ah->ah_sc, ATH_DBG_ANY,
1240                                 "final ini VAL: %x\n", value);
1241                 }
1242                 break;
1243         }
1244
1245         return value;
1246 }
1247
1248 static u32 ath9k_hw_ini_fixup(struct ath_hal *ah,
1249                               struct ar5416_eeprom_def *pEepData,
1250                               u32 reg, u32 value)
1251 {
1252         struct ath_hal_5416 *ahp = AH5416(ah);
1253
1254         if (ahp->ah_eep_map == EEP_MAP_4KBITS)
1255                 return value;
1256         else
1257                 return ath9k_hw_def_ini_fixup(ah, pEepData, reg, value);
1258 }
1259
1260 static int ath9k_hw_process_ini(struct ath_hal *ah,
1261                                 struct ath9k_channel *chan,
1262                                 enum ath9k_ht_macmode macmode)
1263 {
1264         int i, regWrites = 0;
1265         struct ath_hal_5416 *ahp = AH5416(ah);
1266         u32 modesIndex, freqIndex;
1267         int status;
1268
1269         switch (chan->chanmode) {
1270         case CHANNEL_A:
1271         case CHANNEL_A_HT20:
1272                 modesIndex = 1;
1273                 freqIndex = 1;
1274                 break;
1275         case CHANNEL_A_HT40PLUS:
1276         case CHANNEL_A_HT40MINUS:
1277                 modesIndex = 2;
1278                 freqIndex = 1;
1279                 break;
1280         case CHANNEL_G:
1281         case CHANNEL_G_HT20:
1282         case CHANNEL_B:
1283                 modesIndex = 4;
1284                 freqIndex = 2;
1285                 break;
1286         case CHANNEL_G_HT40PLUS:
1287         case CHANNEL_G_HT40MINUS:
1288                 modesIndex = 3;
1289                 freqIndex = 2;
1290                 break;
1291
1292         default:
1293                 return -EINVAL;
1294         }
1295
1296         REG_WRITE(ah, AR_PHY(0), 0x00000007);
1297
1298         REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
1299
1300         ath9k_hw_set_addac(ah, chan);
1301
1302         if (AR_SREV_5416_V22_OR_LATER(ah)) {
1303                 REG_WRITE_ARRAY(&ahp->ah_iniAddac, 1, regWrites);
1304         } else {
1305                 struct ar5416IniArray temp;
1306                 u32 addacSize =
1307                         sizeof(u32) * ahp->ah_iniAddac.ia_rows *
1308                         ahp->ah_iniAddac.ia_columns;
1309
1310                 memcpy(ahp->ah_addac5416_21,
1311                        ahp->ah_iniAddac.ia_array, addacSize);
1312
1313                 (ahp->ah_addac5416_21)[31 * ahp->ah_iniAddac.ia_columns + 1] = 0;
1314
1315                 temp.ia_array = ahp->ah_addac5416_21;
1316                 temp.ia_columns = ahp->ah_iniAddac.ia_columns;
1317                 temp.ia_rows = ahp->ah_iniAddac.ia_rows;
1318                 REG_WRITE_ARRAY(&temp, 1, regWrites);
1319         }
1320
1321         REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
1322
1323         for (i = 0; i < ahp->ah_iniModes.ia_rows; i++) {
1324                 u32 reg = INI_RA(&ahp->ah_iniModes, i, 0);
1325                 u32 val = INI_RA(&ahp->ah_iniModes, i, modesIndex);
1326
1327                 REG_WRITE(ah, reg, val);
1328
1329                 if (reg >= 0x7800 && reg < 0x78a0
1330                     && ah->ah_config.analog_shiftreg) {
1331                         udelay(100);
1332                 }
1333
1334                 DO_DELAY(regWrites);
1335         }
1336
1337         if (AR_SREV_9280(ah))
1338                 REG_WRITE_ARRAY(&ahp->ah_iniModesRxGain, modesIndex, regWrites);
1339
1340         if (AR_SREV_9280(ah))
1341                 REG_WRITE_ARRAY(&ahp->ah_iniModesTxGain, modesIndex, regWrites);
1342
1343         for (i = 0; i < ahp->ah_iniCommon.ia_rows; i++) {
1344                 u32 reg = INI_RA(&ahp->ah_iniCommon, i, 0);
1345                 u32 val = INI_RA(&ahp->ah_iniCommon, i, 1);
1346
1347                 REG_WRITE(ah, reg, val);
1348
1349                 if (reg >= 0x7800 && reg < 0x78a0
1350                     && ah->ah_config.analog_shiftreg) {
1351                         udelay(100);
1352                 }
1353
1354                 DO_DELAY(regWrites);
1355         }
1356
1357         ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
1358
1359         if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
1360                 REG_WRITE_ARRAY(&ahp->ah_iniModesAdditional, modesIndex,
1361                                 regWrites);
1362         }
1363
1364         ath9k_hw_override_ini(ah, chan);
1365         ath9k_hw_set_regs(ah, chan, macmode);
1366         ath9k_hw_init_chain_masks(ah);
1367
1368         status = ath9k_hw_set_txpower(ah, chan,
1369                                       ath9k_regd_get_ctl(ah, chan),
1370                                       ath9k_regd_get_antenna_allowed(ah,
1371                                                                      chan),
1372                                       chan->maxRegTxPower * 2,
1373                                       min((u32) MAX_RATE_POWER,
1374                                           (u32) ah->ah_powerLimit));
1375         if (status != 0) {
1376                 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
1377                         "error init'ing transmit power\n");
1378                 return -EIO;
1379         }
1380
1381         if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
1382                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1383                         "ar5416SetRfRegs failed\n");
1384                 return -EIO;
1385         }
1386
1387         return 0;
1388 }
1389
1390 /****************************************/
1391 /* Reset and Channel Switching Routines */
1392 /****************************************/
1393
1394 static void ath9k_hw_set_rfmode(struct ath_hal *ah, struct ath9k_channel *chan)
1395 {
1396         u32 rfMode = 0;
1397
1398         if (chan == NULL)
1399                 return;
1400
1401         rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
1402                 ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
1403
1404         if (!AR_SREV_9280_10_OR_LATER(ah))
1405                 rfMode |= (IS_CHAN_5GHZ(chan)) ?
1406                         AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
1407
1408         if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan))
1409                 rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
1410
1411         REG_WRITE(ah, AR_PHY_MODE, rfMode);
1412 }
1413
1414 static void ath9k_hw_mark_phy_inactive(struct ath_hal *ah)
1415 {
1416         REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
1417 }
1418
1419 static inline void ath9k_hw_set_dma(struct ath_hal *ah)
1420 {
1421         u32 regval;
1422
1423         regval = REG_READ(ah, AR_AHB_MODE);
1424         REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
1425
1426         regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
1427         REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
1428
1429         REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->ah_txTrigLevel);
1430
1431         regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
1432         REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
1433
1434         REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
1435
1436         if (AR_SREV_9285(ah)) {
1437                 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1438                           AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
1439         } else {
1440                 REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
1441                           AR_PCU_TXBUF_CTRL_USABLE_SIZE);
1442         }
1443 }
1444
1445 static void ath9k_hw_set_operating_mode(struct ath_hal *ah, int opmode)
1446 {
1447         u32 val;
1448
1449         val = REG_READ(ah, AR_STA_ID1);
1450         val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
1451         switch (opmode) {
1452         case NL80211_IFTYPE_AP:
1453                 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
1454                           | AR_STA_ID1_KSRCH_MODE);
1455                 REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1456                 break;
1457         case NL80211_IFTYPE_ADHOC:
1458                 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
1459                           | AR_STA_ID1_KSRCH_MODE);
1460                 REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
1461                 break;
1462         case NL80211_IFTYPE_STATION:
1463         case NL80211_IFTYPE_MONITOR:
1464                 REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
1465                 break;
1466         }
1467 }
1468
1469 static inline void ath9k_hw_get_delta_slope_vals(struct ath_hal *ah,
1470                                                  u32 coef_scaled,
1471                                                  u32 *coef_mantissa,
1472                                                  u32 *coef_exponent)
1473 {
1474         u32 coef_exp, coef_man;
1475
1476         for (coef_exp = 31; coef_exp > 0; coef_exp--)
1477                 if ((coef_scaled >> coef_exp) & 0x1)
1478                         break;
1479
1480         coef_exp = 14 - (coef_exp - COEF_SCALE_S);
1481
1482         coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
1483
1484         *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
1485         *coef_exponent = coef_exp - 16;
1486 }
1487
1488 static void ath9k_hw_set_delta_slope(struct ath_hal *ah,
1489                                      struct ath9k_channel *chan)
1490 {
1491         u32 coef_scaled, ds_coef_exp, ds_coef_man;
1492         u32 clockMhzScaled = 0x64000000;
1493         struct chan_centers centers;
1494
1495         if (IS_CHAN_HALF_RATE(chan))
1496                 clockMhzScaled = clockMhzScaled >> 1;
1497         else if (IS_CHAN_QUARTER_RATE(chan))
1498                 clockMhzScaled = clockMhzScaled >> 2;
1499
1500         ath9k_hw_get_channel_centers(ah, chan, &centers);
1501         coef_scaled = clockMhzScaled / centers.synth_center;
1502
1503         ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
1504                                       &ds_coef_exp);
1505
1506         REG_RMW_FIELD(ah, AR_PHY_TIMING3,
1507                       AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
1508         REG_RMW_FIELD(ah, AR_PHY_TIMING3,
1509                       AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
1510
1511         coef_scaled = (9 * coef_scaled) / 10;
1512
1513         ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
1514                                       &ds_coef_exp);
1515
1516         REG_RMW_FIELD(ah, AR_PHY_HALFGI,
1517                       AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
1518         REG_RMW_FIELD(ah, AR_PHY_HALFGI,
1519                       AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
1520 }
1521
1522 static bool ath9k_hw_set_reset(struct ath_hal *ah, int type)
1523 {
1524         u32 rst_flags;
1525         u32 tmpReg;
1526
1527         REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1528                   AR_RTC_FORCE_WAKE_ON_INT);
1529
1530         if (AR_SREV_9100(ah)) {
1531                 rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
1532                         AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
1533         } else {
1534                 tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
1535                 if (tmpReg &
1536                     (AR_INTR_SYNC_LOCAL_TIMEOUT |
1537                      AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
1538                         REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
1539                         REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
1540                 } else {
1541                         REG_WRITE(ah, AR_RC, AR_RC_AHB);
1542                 }
1543
1544                 rst_flags = AR_RTC_RC_MAC_WARM;
1545                 if (type == ATH9K_RESET_COLD)
1546                         rst_flags |= AR_RTC_RC_MAC_COLD;
1547         }
1548
1549         REG_WRITE(ah, (u16) (AR_RTC_RC), rst_flags);
1550         udelay(50);
1551
1552         REG_WRITE(ah, (u16) (AR_RTC_RC), 0);
1553         if (!ath9k_hw_wait(ah, (u16) (AR_RTC_RC), AR_RTC_RC_M, 0)) {
1554                 DPRINTF(ah->ah_sc, ATH_DBG_RESET,
1555                         "RTC stuck in MAC reset\n");
1556                 return false;
1557         }
1558
1559         if (!AR_SREV_9100(ah))
1560                 REG_WRITE(ah, AR_RC, 0);
1561
1562         ath9k_hw_init_pll(ah, NULL);
1563
1564         if (AR_SREV_9100(ah))
1565                 udelay(50);
1566
1567         return true;
1568 }
1569
1570 static bool ath9k_hw_set_reset_power_on(struct ath_hal *ah)
1571 {
1572         REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
1573                   AR_RTC_FORCE_WAKE_ON_INT);
1574
1575         REG_WRITE(ah, (u16) (AR_RTC_RESET), 0);
1576         REG_WRITE(ah, (u16) (AR_RTC_RESET), 1);
1577
1578         if (!ath9k_hw_wait(ah,
1579                            AR_RTC_STATUS,
1580                            AR_RTC_STATUS_M,
1581                            AR_RTC_STATUS_ON)) {
1582                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "RTC not waking up\n");
1583                 return false;
1584         }
1585
1586         ath9k_hw_read_revisions(ah);
1587
1588         return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
1589 }
1590
1591 static bool ath9k_hw_set_reset_reg(struct ath_hal *ah, u32 type)
1592 {
1593         REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1594                   AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1595
1596         switch (type) {
1597         case ATH9K_RESET_POWER_ON:
1598                 return ath9k_hw_set_reset_power_on(ah);
1599                 break;
1600         case ATH9K_RESET_WARM:
1601         case ATH9K_RESET_COLD:
1602                 return ath9k_hw_set_reset(ah, type);
1603                 break;
1604         default:
1605                 return false;
1606         }
1607 }
1608
1609 static void ath9k_hw_set_regs(struct ath_hal *ah, struct ath9k_channel *chan,
1610                               enum ath9k_ht_macmode macmode)
1611 {
1612         u32 phymode;
1613         u32 enableDacFifo = 0;
1614         struct ath_hal_5416 *ahp = AH5416(ah);
1615
1616         if (AR_SREV_9285_10_OR_LATER(ah))
1617                 enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
1618                                          AR_PHY_FC_ENABLE_DAC_FIFO);
1619
1620         phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
1621                 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
1622
1623         if (IS_CHAN_HT40(chan)) {
1624                 phymode |= AR_PHY_FC_DYN2040_EN;
1625
1626                 if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
1627                     (chan->chanmode == CHANNEL_G_HT40PLUS))
1628                         phymode |= AR_PHY_FC_DYN2040_PRI_CH;
1629
1630                 if (ahp->ah_extprotspacing == ATH9K_HT_EXTPROTSPACING_25)
1631                         phymode |= AR_PHY_FC_DYN2040_EXT_CH;
1632         }
1633         REG_WRITE(ah, AR_PHY_TURBO, phymode);
1634
1635         ath9k_hw_set11nmac2040(ah, macmode);
1636
1637         REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
1638         REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
1639 }
1640
1641 static bool ath9k_hw_chip_reset(struct ath_hal *ah,
1642                                 struct ath9k_channel *chan)
1643 {
1644         struct ath_hal_5416 *ahp = AH5416(ah);
1645
1646         if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
1647                 return false;
1648
1649         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
1650                 return false;
1651
1652         ahp->ah_chipFullSleep = false;
1653
1654         ath9k_hw_init_pll(ah, chan);
1655
1656         ath9k_hw_set_rfmode(ah, chan);
1657
1658         return true;
1659 }
1660
1661 static bool ath9k_hw_channel_change(struct ath_hal *ah,
1662                                     struct ath9k_channel *chan,
1663                                     enum ath9k_ht_macmode macmode)
1664 {
1665         u32 synthDelay, qnum;
1666
1667         for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
1668                 if (ath9k_hw_numtxpending(ah, qnum)) {
1669                         DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
1670                                 "Transmit frames pending on queue %d\n", qnum);
1671                         return false;
1672                 }
1673         }
1674
1675         REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
1676         if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
1677                            AR_PHY_RFBUS_GRANT_EN)) {
1678                 DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
1679                         "Could not kill baseband RX\n");
1680                 return false;
1681         }
1682
1683         ath9k_hw_set_regs(ah, chan, macmode);
1684
1685         if (AR_SREV_9280_10_OR_LATER(ah)) {
1686                 if (!(ath9k_hw_ar9280_set_channel(ah, chan))) {
1687                         DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1688                                 "failed to set channel\n");
1689                         return false;
1690                 }
1691         } else {
1692                 if (!(ath9k_hw_set_channel(ah, chan))) {
1693                         DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
1694                                 "failed to set channel\n");
1695                         return false;
1696                 }
1697         }
1698
1699         if (ath9k_hw_set_txpower(ah, chan,
1700                                  ath9k_regd_get_ctl(ah, chan),
1701                                  ath9k_regd_get_antenna_allowed(ah, chan),
1702                                  chan->maxRegTxPower * 2,
1703                                  min((u32) MAX_RATE_POWER,
1704                                      (u32) ah->ah_powerLimit)) != 0) {
1705                 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
1706                         "error init'ing transmit power\n");
1707                 return false;
1708         }
1709
1710         synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
1711         if (IS_CHAN_B(chan))
1712                 synthDelay = (4 * synthDelay) / 22;
1713         else
1714                 synthDelay /= 10;
1715
1716         udelay(synthDelay + BASE_ACTIVATE_DELAY);
1717
1718         REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
1719
1720         if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
1721                 ath9k_hw_set_delta_slope(ah, chan);
1722
1723         if (AR_SREV_9280_10_OR_LATER(ah))
1724                 ath9k_hw_9280_spur_mitigate(ah, chan);
1725         else
1726                 ath9k_hw_spur_mitigate(ah, chan);
1727
1728         if (!chan->oneTimeCalsDone)
1729                 chan->oneTimeCalsDone = true;
1730
1731         return true;
1732 }
1733
1734 static void ath9k_hw_9280_spur_mitigate(struct ath_hal *ah, struct ath9k_channel *chan)
1735 {
1736         int bb_spur = AR_NO_SPUR;
1737         int freq;
1738         int bin, cur_bin;
1739         int bb_spur_off, spur_subchannel_sd;
1740         int spur_freq_sd;
1741         int spur_delta_phase;
1742         int denominator;
1743         int upper, lower, cur_vit_mask;
1744         int tmp, newVal;
1745         int i;
1746         int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
1747                           AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
1748         };
1749         int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
1750                          AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
1751         };
1752         int inc[4] = { 0, 100, 0, 0 };
1753         struct chan_centers centers;
1754
1755         int8_t mask_m[123];
1756         int8_t mask_p[123];
1757         int8_t mask_amt;
1758         int tmp_mask;
1759         int cur_bb_spur;
1760         bool is2GHz = IS_CHAN_2GHZ(chan);
1761
1762         memset(&mask_m, 0, sizeof(int8_t) * 123);
1763         memset(&mask_p, 0, sizeof(int8_t) * 123);
1764
1765         ath9k_hw_get_channel_centers(ah, chan, &centers);
1766         freq = centers.synth_center;
1767
1768         ah->ah_config.spurmode = SPUR_ENABLE_EEPROM;
1769         for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
1770                 cur_bb_spur = ath9k_hw_eeprom_get_spur_chan(ah, i, is2GHz);
1771
1772                 if (is2GHz)
1773                         cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
1774                 else
1775                         cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
1776
1777                 if (AR_NO_SPUR == cur_bb_spur)
1778                         break;
1779                 cur_bb_spur = cur_bb_spur - freq;
1780
1781                 if (IS_CHAN_HT40(chan)) {
1782                         if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
1783                             (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
1784                                 bb_spur = cur_bb_spur;
1785                                 break;
1786                         }
1787                 } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
1788                            (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
1789                         bb_spur = cur_bb_spur;
1790                         break;
1791                 }
1792         }
1793
1794         if (AR_NO_SPUR == bb_spur) {
1795                 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
1796                             AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
1797                 return;
1798         } else {
1799                 REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
1800                             AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
1801         }
1802
1803         bin = bb_spur * 320;
1804
1805         tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
1806
1807         newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
1808                         AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
1809                         AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
1810                         AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
1811         REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
1812
1813         newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
1814                   AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
1815                   AR_PHY_SPUR_REG_MASK_RATE_SELECT |
1816                   AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
1817                   SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
1818         REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
1819
1820         if (IS_CHAN_HT40(chan)) {
1821                 if (bb_spur < 0) {
1822                         spur_subchannel_sd = 1;
1823                         bb_spur_off = bb_spur + 10;
1824                 } else {
1825                         spur_subchannel_sd = 0;
1826                         bb_spur_off = bb_spur - 10;
1827                 }
1828         } else {
1829                 spur_subchannel_sd = 0;
1830                 bb_spur_off = bb_spur;
1831         }
1832
1833         if (IS_CHAN_HT40(chan))
1834                 spur_delta_phase =
1835                         ((bb_spur * 262144) /
1836                          10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
1837         else
1838                 spur_delta_phase =
1839                         ((bb_spur * 524288) /
1840                          10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
1841
1842         denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
1843         spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
1844
1845         newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
1846                   SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
1847                   SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
1848         REG_WRITE(ah, AR_PHY_TIMING11, newVal);
1849
1850         newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
1851         REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
1852
1853         cur_bin = -6000;
1854         upper = bin + 100;
1855         lower = bin - 100;
1856
1857         for (i = 0; i < 4; i++) {
1858                 int pilot_mask = 0;
1859                 int chan_mask = 0;
1860                 int bp = 0;
1861                 for (bp = 0; bp < 30; bp++) {
1862                         if ((cur_bin > lower) && (cur_bin < upper)) {
1863                                 pilot_mask = pilot_mask | 0x1 << bp;
1864                                 chan_mask = chan_mask | 0x1 << bp;
1865                         }
1866                         cur_bin += 100;
1867                 }
1868                 cur_bin += inc[i];
1869                 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
1870                 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
1871         }
1872
1873         cur_vit_mask = 6100;
1874         upper = bin + 120;
1875         lower = bin - 120;
1876
1877         for (i = 0; i < 123; i++) {
1878                 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
1879
1880                         /* workaround for gcc bug #37014 */
1881                         volatile int tmp_v = abs(cur_vit_mask - bin);
1882
1883                         if (tmp_v < 75)
1884                                 mask_amt = 1;
1885                         else
1886                                 mask_amt = 0;
1887                         if (cur_vit_mask < 0)
1888                                 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
1889                         else
1890                                 mask_p[cur_vit_mask / 100] = mask_amt;
1891                 }
1892                 cur_vit_mask -= 100;
1893         }
1894
1895         tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
1896                 | (mask_m[48] << 26) | (mask_m[49] << 24)
1897                 | (mask_m[50] << 22) | (mask_m[51] << 20)
1898                 | (mask_m[52] << 18) | (mask_m[53] << 16)
1899                 | (mask_m[54] << 14) | (mask_m[55] << 12)
1900                 | (mask_m[56] << 10) | (mask_m[57] << 8)
1901                 | (mask_m[58] << 6) | (mask_m[59] << 4)
1902                 | (mask_m[60] << 2) | (mask_m[61] << 0);
1903         REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
1904         REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
1905
1906         tmp_mask = (mask_m[31] << 28)
1907                 | (mask_m[32] << 26) | (mask_m[33] << 24)
1908                 | (mask_m[34] << 22) | (mask_m[35] << 20)
1909                 | (mask_m[36] << 18) | (mask_m[37] << 16)
1910                 | (mask_m[48] << 14) | (mask_m[39] << 12)
1911                 | (mask_m[40] << 10) | (mask_m[41] << 8)
1912                 | (mask_m[42] << 6) | (mask_m[43] << 4)
1913                 | (mask_m[44] << 2) | (mask_m[45] << 0);
1914         REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
1915         REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
1916
1917         tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
1918                 | (mask_m[18] << 26) | (mask_m[18] << 24)
1919                 | (mask_m[20] << 22) | (mask_m[20] << 20)
1920                 | (mask_m[22] << 18) | (mask_m[22] << 16)
1921                 | (mask_m[24] << 14) | (mask_m[24] << 12)
1922                 | (mask_m[25] << 10) | (mask_m[26] << 8)
1923                 | (mask_m[27] << 6) | (mask_m[28] << 4)
1924                 | (mask_m[29] << 2) | (mask_m[30] << 0);
1925         REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
1926         REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
1927
1928         tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
1929                 | (mask_m[2] << 26) | (mask_m[3] << 24)
1930                 | (mask_m[4] << 22) | (mask_m[5] << 20)
1931                 | (mask_m[6] << 18) | (mask_m[7] << 16)
1932                 | (mask_m[8] << 14) | (mask_m[9] << 12)
1933                 | (mask_m[10] << 10) | (mask_m[11] << 8)
1934                 | (mask_m[12] << 6) | (mask_m[13] << 4)
1935                 | (mask_m[14] << 2) | (mask_m[15] << 0);
1936         REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
1937         REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
1938
1939         tmp_mask = (mask_p[15] << 28)
1940                 | (mask_p[14] << 26) | (mask_p[13] << 24)
1941                 | (mask_p[12] << 22) | (mask_p[11] << 20)
1942                 | (mask_p[10] << 18) | (mask_p[9] << 16)
1943                 | (mask_p[8] << 14) | (mask_p[7] << 12)
1944                 | (mask_p[6] << 10) | (mask_p[5] << 8)
1945                 | (mask_p[4] << 6) | (mask_p[3] << 4)
1946                 | (mask_p[2] << 2) | (mask_p[1] << 0);
1947         REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
1948         REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
1949
1950         tmp_mask = (mask_p[30] << 28)
1951                 | (mask_p[29] << 26) | (mask_p[28] << 24)
1952                 | (mask_p[27] << 22) | (mask_p[26] << 20)
1953                 | (mask_p[25] << 18) | (mask_p[24] << 16)
1954                 | (mask_p[23] << 14) | (mask_p[22] << 12)
1955                 | (mask_p[21] << 10) | (mask_p[20] << 8)
1956                 | (mask_p[19] << 6) | (mask_p[18] << 4)
1957                 | (mask_p[17] << 2) | (mask_p[16] << 0);
1958         REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
1959         REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
1960
1961         tmp_mask = (mask_p[45] << 28)
1962                 | (mask_p[44] << 26) | (mask_p[43] << 24)
1963                 | (mask_p[42] << 22) | (mask_p[41] << 20)
1964                 | (mask_p[40] << 18) | (mask_p[39] << 16)
1965                 | (mask_p[38] << 14) | (mask_p[37] << 12)
1966                 | (mask_p[36] << 10) | (mask_p[35] << 8)
1967                 | (mask_p[34] << 6) | (mask_p[33] << 4)
1968                 | (mask_p[32] << 2) | (mask_p[31] << 0);
1969         REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
1970         REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
1971
1972         tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
1973                 | (mask_p[59] << 26) | (mask_p[58] << 24)
1974                 | (mask_p[57] << 22) | (mask_p[56] << 20)
1975                 | (mask_p[55] << 18) | (mask_p[54] << 16)
1976                 | (mask_p[53] << 14) | (mask_p[52] << 12)
1977                 | (mask_p[51] << 10) | (mask_p[50] << 8)
1978                 | (mask_p[49] << 6) | (mask_p[48] << 4)
1979                 | (mask_p[47] << 2) | (mask_p[46] << 0);
1980         REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
1981         REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
1982 }
1983
1984 static void ath9k_hw_spur_mitigate(struct ath_hal *ah, struct ath9k_channel *chan)
1985 {
1986         int bb_spur = AR_NO_SPUR;
1987         int bin, cur_bin;
1988         int spur_freq_sd;
1989         int spur_delta_phase;
1990         int denominator;
1991         int upper, lower, cur_vit_mask;
1992         int tmp, new;
1993         int i;
1994         int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
1995                           AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
1996         };
1997         int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
1998                          AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
1999         };
2000         int inc[4] = { 0, 100, 0, 0 };
2001
2002         int8_t mask_m[123];
2003         int8_t mask_p[123];
2004         int8_t mask_amt;
2005         int tmp_mask;
2006         int cur_bb_spur;
2007         bool is2GHz = IS_CHAN_2GHZ(chan);
2008
2009         memset(&mask_m, 0, sizeof(int8_t) * 123);
2010         memset(&mask_p, 0, sizeof(int8_t) * 123);
2011
2012         for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
2013                 cur_bb_spur = ath9k_hw_eeprom_get_spur_chan(ah, i, is2GHz);
2014                 if (AR_NO_SPUR == cur_bb_spur)
2015                         break;
2016                 cur_bb_spur = cur_bb_spur - (chan->channel * 10);
2017                 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
2018                         bb_spur = cur_bb_spur;
2019                         break;
2020                 }
2021         }
2022
2023         if (AR_NO_SPUR == bb_spur)
2024                 return;
2025
2026         bin = bb_spur * 32;
2027
2028         tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
2029         new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
2030                      AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
2031                      AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
2032                      AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
2033
2034         REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
2035
2036         new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
2037                AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
2038                AR_PHY_SPUR_REG_MASK_RATE_SELECT |
2039                AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
2040                SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
2041         REG_WRITE(ah, AR_PHY_SPUR_REG, new);
2042
2043         spur_delta_phase = ((bb_spur * 524288) / 100) &
2044                 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
2045
2046         denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
2047         spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
2048
2049         new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
2050                SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
2051                SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
2052         REG_WRITE(ah, AR_PHY_TIMING11, new);
2053
2054         cur_bin = -6000;
2055         upper = bin + 100;
2056         lower = bin - 100;
2057
2058         for (i = 0; i < 4; i++) {
2059                 int pilot_mask = 0;
2060                 int chan_mask = 0;
2061                 int bp = 0;
2062                 for (bp = 0; bp < 30; bp++) {
2063                         if ((cur_bin > lower) && (cur_bin < upper)) {
2064                                 pilot_mask = pilot_mask | 0x1 << bp;
2065                                 chan_mask = chan_mask | 0x1 << bp;
2066                         }
2067                         cur_bin += 100;
2068                 }
2069                 cur_bin += inc[i];
2070                 REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
2071                 REG_WRITE(ah, chan_mask_reg[i], chan_mask);
2072         }
2073
2074         cur_vit_mask = 6100;
2075         upper = bin + 120;
2076         lower = bin - 120;
2077
2078         for (i = 0; i < 123; i++) {
2079                 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
2080
2081                         /* workaround for gcc bug #37014 */
2082                         volatile int tmp_v = abs(cur_vit_mask - bin);
2083
2084                         if (tmp_v < 75)
2085                                 mask_amt = 1;
2086                         else
2087                                 mask_amt = 0;
2088                         if (cur_vit_mask < 0)
2089                                 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
2090                         else
2091                                 mask_p[cur_vit_mask / 100] = mask_amt;
2092                 }
2093                 cur_vit_mask -= 100;
2094         }
2095
2096         tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
2097                 | (mask_m[48] << 26) | (mask_m[49] << 24)
2098                 | (mask_m[50] << 22) | (mask_m[51] << 20)
2099                 | (mask_m[52] << 18) | (mask_m[53] << 16)
2100                 | (mask_m[54] << 14) | (mask_m[55] << 12)
2101                 | (mask_m[56] << 10) | (mask_m[57] << 8)
2102                 | (mask_m[58] << 6) | (mask_m[59] << 4)
2103                 | (mask_m[60] << 2) | (mask_m[61] << 0);
2104         REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
2105         REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
2106
2107         tmp_mask = (mask_m[31] << 28)
2108                 | (mask_m[32] << 26) | (mask_m[33] << 24)
2109                 | (mask_m[34] << 22) | (mask_m[35] << 20)
2110                 | (mask_m[36] << 18) | (mask_m[37] << 16)
2111                 | (mask_m[48] << 14) | (mask_m[39] << 12)
2112                 | (mask_m[40] << 10) | (mask_m[41] << 8)
2113                 | (mask_m[42] << 6) | (mask_m[43] << 4)
2114                 | (mask_m[44] << 2) | (mask_m[45] << 0);
2115         REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
2116         REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
2117
2118         tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
2119                 | (mask_m[18] << 26) | (mask_m[18] << 24)
2120                 | (mask_m[20] << 22) | (mask_m[20] << 20)
2121                 | (mask_m[22] << 18) | (mask_m[22] << 16)
2122                 | (mask_m[24] << 14) | (mask_m[24] << 12)
2123                 | (mask_m[25] << 10) | (mask_m[26] << 8)
2124                 | (mask_m[27] << 6) | (mask_m[28] << 4)
2125                 | (mask_m[29] << 2) | (mask_m[30] << 0);
2126         REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
2127         REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
2128
2129         tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
2130                 | (mask_m[2] << 26) | (mask_m[3] << 24)
2131                 | (mask_m[4] << 22) | (mask_m[5] << 20)
2132                 | (mask_m[6] << 18) | (mask_m[7] << 16)
2133                 | (mask_m[8] << 14) | (mask_m[9] << 12)
2134                 | (mask_m[10] << 10) | (mask_m[11] << 8)
2135                 | (mask_m[12] << 6) | (mask_m[13] << 4)
2136                 | (mask_m[14] << 2) | (mask_m[15] << 0);
2137         REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
2138         REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
2139
2140         tmp_mask = (mask_p[15] << 28)
2141                 | (mask_p[14] << 26) | (mask_p[13] << 24)
2142                 | (mask_p[12] << 22) | (mask_p[11] << 20)
2143                 | (mask_p[10] << 18) | (mask_p[9] << 16)
2144                 | (mask_p[8] << 14) | (mask_p[7] << 12)
2145                 | (mask_p[6] << 10) | (mask_p[5] << 8)
2146                 | (mask_p[4] << 6) | (mask_p[3] << 4)
2147                 | (mask_p[2] << 2) | (mask_p[1] << 0);
2148         REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
2149         REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
2150
2151         tmp_mask = (mask_p[30] << 28)
2152                 | (mask_p[29] << 26) | (mask_p[28] << 24)
2153                 | (mask_p[27] << 22) | (mask_p[26] << 20)
2154                 | (mask_p[25] << 18) | (mask_p[24] << 16)
2155                 | (mask_p[23] << 14) | (mask_p[22] << 12)
2156                 | (mask_p[21] << 10) | (mask_p[20] << 8)
2157                 | (mask_p[19] << 6) | (mask_p[18] << 4)
2158                 | (mask_p[17] << 2) | (mask_p[16] << 0);
2159         REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
2160         REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
2161
2162         tmp_mask = (mask_p[45] << 28)
2163                 | (mask_p[44] << 26) | (mask_p[43] << 24)
2164                 | (mask_p[42] << 22) | (mask_p[41] << 20)
2165                 | (mask_p[40] << 18) | (mask_p[39] << 16)
2166                 | (mask_p[38] << 14) | (mask_p[37] << 12)
2167                 | (mask_p[36] << 10) | (mask_p[35] << 8)
2168                 | (mask_p[34] << 6) | (mask_p[33] << 4)
2169                 | (mask_p[32] << 2) | (mask_p[31] << 0);
2170         REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
2171         REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
2172
2173         tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
2174                 | (mask_p[59] << 26) | (mask_p[58] << 24)
2175                 | (mask_p[57] << 22) | (mask_p[56] << 20)
2176                 | (mask_p[55] << 18) | (mask_p[54] << 16)
2177                 | (mask_p[53] << 14) | (mask_p[52] << 12)
2178                 | (mask_p[51] << 10) | (mask_p[50] << 8)
2179                 | (mask_p[49] << 6) | (mask_p[48] << 4)
2180                 | (mask_p[47] << 2) | (mask_p[46] << 0);
2181         REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
2182         REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
2183 }
2184
2185 int ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan,
2186                     bool bChannelChange)
2187 {
2188         u32 saveLedState;
2189         struct ath_softc *sc = ah->ah_sc;
2190         struct ath_hal_5416 *ahp = AH5416(ah);
2191         struct ath9k_channel *curchan = ah->ah_curchan;
2192         u32 saveDefAntenna;
2193         u32 macStaId1;
2194         int i, rx_chainmask, r;
2195
2196         ahp->ah_extprotspacing = sc->sc_ht_extprotspacing;
2197         ahp->ah_txchainmask = sc->sc_tx_chainmask;
2198         ahp->ah_rxchainmask = sc->sc_rx_chainmask;
2199
2200         if (AR_SREV_9280(ah)) {
2201                 ahp->ah_txchainmask &= 0x3;
2202                 ahp->ah_rxchainmask &= 0x3;
2203         }
2204
2205         if (ath9k_regd_check_channel(ah, chan) == NULL) {
2206                 DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
2207                         "invalid channel %u/0x%x; no mapping\n",
2208                         chan->channel, chan->channelFlags);
2209                 return -EINVAL;
2210         }
2211
2212         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
2213                 return -EIO;
2214
2215         if (curchan)
2216                 ath9k_hw_getnf(ah, curchan);
2217
2218         if (bChannelChange &&
2219             (ahp->ah_chipFullSleep != true) &&
2220             (ah->ah_curchan != NULL) &&
2221             (chan->channel != ah->ah_curchan->channel) &&
2222             ((chan->channelFlags & CHANNEL_ALL) ==
2223              (ah->ah_curchan->channelFlags & CHANNEL_ALL)) &&
2224             (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
2225                                    !IS_CHAN_A_5MHZ_SPACED(ah->ah_curchan)))) {
2226
2227                 if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
2228                         ath9k_hw_loadnf(ah, ah->ah_curchan);
2229                         ath9k_hw_start_nfcal(ah);
2230                         return 0;
2231                 }
2232         }
2233
2234         saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
2235         if (saveDefAntenna == 0)
2236                 saveDefAntenna = 1;
2237
2238         macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
2239
2240         saveLedState = REG_READ(ah, AR_CFG_LED) &
2241                 (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
2242                  AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
2243
2244         ath9k_hw_mark_phy_inactive(ah);
2245
2246         if (!ath9k_hw_chip_reset(ah, chan)) {
2247                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "chip reset failed\n");
2248                 return -EINVAL;
2249         }
2250
2251         if (AR_SREV_9280(ah)) {
2252                 REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
2253                             AR_GPIO_JTAG_DISABLE);
2254
2255                 if (test_bit(ATH9K_MODE_11A, ah->ah_caps.wireless_modes)) {
2256                         if (IS_CHAN_5GHZ(chan))
2257                                 ath9k_hw_set_gpio(ah, 9, 0);
2258                         else
2259                                 ath9k_hw_set_gpio(ah, 9, 1);
2260                 }
2261                 ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
2262         }
2263
2264         r = ath9k_hw_process_ini(ah, chan, sc->tx_chan_width);
2265         if (r)
2266                 return r;
2267
2268         if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
2269                 ath9k_hw_set_delta_slope(ah, chan);
2270
2271         if (AR_SREV_9280_10_OR_LATER(ah))
2272                 ath9k_hw_9280_spur_mitigate(ah, chan);
2273         else
2274                 ath9k_hw_spur_mitigate(ah, chan);
2275
2276         if (!ath9k_hw_eeprom_set_board_values(ah, chan)) {
2277                 DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
2278                         "error setting board options\n");
2279                 return -EIO;
2280         }
2281
2282         ath9k_hw_decrease_chain_power(ah, chan);
2283
2284         REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ahp->ah_macaddr));
2285         REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ahp->ah_macaddr + 4)
2286                   | macStaId1
2287                   | AR_STA_ID1_RTS_USE_DEF
2288                   | (ah->ah_config.
2289                      ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
2290                   | ahp->ah_staId1Defaults);
2291         ath9k_hw_set_operating_mode(ah, ah->ah_opmode);
2292
2293         REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ahp->ah_bssidmask));
2294         REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ahp->ah_bssidmask + 4));
2295
2296         REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
2297
2298         REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ahp->ah_bssid));
2299         REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ahp->ah_bssid + 4) |
2300                   ((ahp->ah_assocId & 0x3fff) << AR_BSS_ID1_AID_S));
2301
2302         REG_WRITE(ah, AR_ISR, ~0);
2303
2304         REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
2305
2306         if (AR_SREV_9280_10_OR_LATER(ah)) {
2307                 if (!(ath9k_hw_ar9280_set_channel(ah, chan)))
2308                         return -EIO;
2309         } else {
2310                 if (!(ath9k_hw_set_channel(ah, chan)))
2311                         return -EIO;
2312         }
2313
2314         for (i = 0; i < AR_NUM_DCU; i++)
2315                 REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
2316
2317         ahp->ah_intrTxqs = 0;
2318         for (i = 0; i < ah->ah_caps.total_queues; i++)
2319                 ath9k_hw_resettxqueue(ah, i);
2320
2321         ath9k_hw_init_interrupt_masks(ah, ah->ah_opmode);
2322         ath9k_hw_init_qos(ah);
2323
2324 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
2325         if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
2326                 ath9k_enable_rfkill(ah);
2327 #endif
2328         ath9k_hw_init_user_settings(ah);
2329
2330         REG_WRITE(ah, AR_STA_ID1,
2331                   REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
2332
2333         ath9k_hw_set_dma(ah);
2334
2335         REG_WRITE(ah, AR_OBS, 8);
2336
2337         if (ahp->ah_intrMitigation) {
2338
2339                 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
2340                 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
2341         }
2342
2343         ath9k_hw_init_bb(ah, chan);
2344
2345         if (!ath9k_hw_init_cal(ah, chan))
2346                 return -EIO;;
2347
2348         rx_chainmask = ahp->ah_rxchainmask;
2349         if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
2350                 REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
2351                 REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
2352         }
2353
2354         REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
2355
2356         if (AR_SREV_9100(ah)) {
2357                 u32 mask;
2358                 mask = REG_READ(ah, AR_CFG);
2359                 if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
2360                         DPRINTF(ah->ah_sc, ATH_DBG_RESET,
2361                                 "CFG Byte Swap Set 0x%x\n", mask);
2362                 } else {
2363                         mask =
2364                                 INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
2365                         REG_WRITE(ah, AR_CFG, mask);
2366                         DPRINTF(ah->ah_sc, ATH_DBG_RESET,
2367                                 "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
2368                 }
2369         } else {
2370 #ifdef __BIG_ENDIAN
2371                 REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
2372 #endif
2373         }
2374
2375         return 0;
2376 }
2377
2378 /************************/
2379 /* Key Cache Management */
2380 /************************/
2381
2382 bool ath9k_hw_keyreset(struct ath_hal *ah, u16 entry)
2383 {
2384         u32 keyType;
2385
2386         if (entry >= ah->ah_caps.keycache_size) {
2387                 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2388                         "entry %u out of range\n", entry);
2389                 return false;
2390         }
2391
2392         keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
2393
2394         REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
2395         REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
2396         REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
2397         REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
2398         REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
2399         REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
2400         REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
2401         REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
2402
2403         if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
2404                 u16 micentry = entry + 64;
2405
2406                 REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
2407                 REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
2408                 REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
2409                 REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
2410
2411         }
2412
2413         if (ah->ah_curchan == NULL)
2414                 return true;
2415
2416         return true;
2417 }
2418
2419 bool ath9k_hw_keysetmac(struct ath_hal *ah, u16 entry, const u8 *mac)
2420 {
2421         u32 macHi, macLo;
2422
2423         if (entry >= ah->ah_caps.keycache_size) {
2424                 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2425                         "entry %u out of range\n", entry);
2426                 return false;
2427         }
2428
2429         if (mac != NULL) {
2430                 macHi = (mac[5] << 8) | mac[4];
2431                 macLo = (mac[3] << 24) |
2432                         (mac[2] << 16) |
2433                         (mac[1] << 8) |
2434                         mac[0];
2435                 macLo >>= 1;
2436                 macLo |= (macHi & 1) << 31;
2437                 macHi >>= 1;
2438         } else {
2439                 macLo = macHi = 0;
2440         }
2441         REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
2442         REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
2443
2444         return true;
2445 }
2446
2447 bool ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry,
2448                                  const struct ath9k_keyval *k,
2449                                  const u8 *mac, int xorKey)
2450 {
2451         const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
2452         u32 key0, key1, key2, key3, key4;
2453         u32 keyType;
2454         u32 xorMask = xorKey ?
2455                 (ATH9K_KEY_XOR << 24 | ATH9K_KEY_XOR << 16 | ATH9K_KEY_XOR << 8
2456                  | ATH9K_KEY_XOR) : 0;
2457         struct ath_hal_5416 *ahp = AH5416(ah);
2458
2459         if (entry >= pCap->keycache_size) {
2460                 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2461                         "entry %u out of range\n", entry);
2462                 return false;
2463         }
2464
2465         switch (k->kv_type) {
2466         case ATH9K_CIPHER_AES_OCB:
2467                 keyType = AR_KEYTABLE_TYPE_AES;
2468                 break;
2469         case ATH9K_CIPHER_AES_CCM:
2470                 if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
2471                         DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2472                                 "AES-CCM not supported by mac rev 0x%x\n",
2473                                 ah->ah_macRev);
2474                         return false;
2475                 }
2476                 keyType = AR_KEYTABLE_TYPE_CCM;
2477                 break;
2478         case ATH9K_CIPHER_TKIP:
2479                 keyType = AR_KEYTABLE_TYPE_TKIP;
2480                 if (ATH9K_IS_MIC_ENABLED(ah)
2481                     && entry + 64 >= pCap->keycache_size) {
2482                         DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2483                                 "entry %u inappropriate for TKIP\n", entry);
2484                         return false;
2485                 }
2486                 break;
2487         case ATH9K_CIPHER_WEP:
2488                 if (k->kv_len < LEN_WEP40) {
2489                         DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2490                                 "WEP key length %u too small\n", k->kv_len);
2491                         return false;
2492                 }
2493                 if (k->kv_len <= LEN_WEP40)
2494                         keyType = AR_KEYTABLE_TYPE_40;
2495                 else if (k->kv_len <= LEN_WEP104)
2496                         keyType = AR_KEYTABLE_TYPE_104;
2497                 else
2498                         keyType = AR_KEYTABLE_TYPE_128;
2499                 break;
2500         case ATH9K_CIPHER_CLR:
2501                 keyType = AR_KEYTABLE_TYPE_CLR;
2502                 break;
2503         default:
2504                 DPRINTF(ah->ah_sc, ATH_DBG_KEYCACHE,
2505                         "cipher %u not supported\n", k->kv_type);
2506                 return false;
2507         }
2508
2509         key0 = get_unaligned_le32(k->kv_val + 0) ^ xorMask;
2510         key1 = (get_unaligned_le16(k->kv_val + 4) ^ xorMask) & 0xffff;
2511         key2 = get_unaligned_le32(k->kv_val + 6) ^ xorMask;
2512         key3 = (get_unaligned_le16(k->kv_val + 10) ^ xorMask) & 0xffff;
2513         key4 = get_unaligned_le32(k->kv_val + 12) ^ xorMask;
2514         if (k->kv_len <= LEN_WEP104)
2515                 key4 &= 0xff;
2516
2517         if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
2518                 u16 micentry = entry + 64;
2519
2520                 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
2521                 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
2522                 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
2523                 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
2524                 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
2525                 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
2526                 (void) ath9k_hw_keysetmac(ah, entry, mac);
2527
2528                 if (ahp->ah_miscMode & AR_PCU_MIC_NEW_LOC_ENA) {
2529                         u32 mic0, mic1, mic2, mic3, mic4;
2530
2531                         mic0 = get_unaligned_le32(k->kv_mic + 0);
2532                         mic2 = get_unaligned_le32(k->kv_mic + 4);
2533                         mic1 = get_unaligned_le16(k->kv_txmic + 2) & 0xffff;
2534                         mic3 = get_unaligned_le16(k->kv_txmic + 0) & 0xffff;
2535                         mic4 = get_unaligned_le32(k->kv_txmic + 4);
2536                         REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
2537                         REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), mic1);
2538                         REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
2539                         REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), mic3);
2540                         REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), mic4);
2541                         REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
2542                                   AR_KEYTABLE_TYPE_CLR);
2543
2544                 } else {
2545                         u32 mic0, mic2;
2546
2547                         mic0 = get_unaligned_le32(k->kv_mic + 0);
2548                         mic2 = get_unaligned_le32(k->kv_mic + 4);
2549                         REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
2550                         REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
2551                         REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
2552                         REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
2553                         REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
2554                         REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
2555                                   AR_KEYTABLE_TYPE_CLR);
2556                 }
2557                 REG_WRITE(ah, AR_KEYTABLE_MAC0(micentry), 0);
2558                 REG_WRITE(ah, AR_KEYTABLE_MAC1(micentry), 0);
2559                 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
2560                 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
2561         } else {
2562                 REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
2563                 REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
2564                 REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
2565                 REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
2566                 REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
2567                 REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
2568
2569                 (void) ath9k_hw_keysetmac(ah, entry, mac);
2570         }
2571
2572         if (ah->ah_curchan == NULL)
2573                 return true;
2574
2575         return true;
2576 }
2577
2578 bool ath9k_hw_keyisvalid(struct ath_hal *ah, u16 entry)
2579 {
2580         if (entry < ah->ah_caps.keycache_size) {
2581                 u32 val = REG_READ(ah, AR_KEYTABLE_MAC1(entry));
2582                 if (val & AR_KEYTABLE_VALID)
2583                         return true;
2584         }
2585         return false;
2586 }
2587
2588 /******************************/
2589 /* Power Management (Chipset) */
2590 /******************************/
2591
2592 static void ath9k_set_power_sleep(struct ath_hal *ah, int setChip)
2593 {
2594         REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2595         if (setChip) {
2596                 REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2597                             AR_RTC_FORCE_WAKE_EN);
2598                 if (!AR_SREV_9100(ah))
2599                         REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
2600
2601                 REG_CLR_BIT(ah, (u16) (AR_RTC_RESET),
2602                             AR_RTC_RESET_EN);
2603         }
2604 }
2605
2606 static void ath9k_set_power_network_sleep(struct ath_hal *ah, int setChip)
2607 {
2608         REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2609         if (setChip) {
2610                 struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
2611
2612                 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
2613                         REG_WRITE(ah, AR_RTC_FORCE_WAKE,
2614                                   AR_RTC_FORCE_WAKE_ON_INT);
2615                 } else {
2616                         REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
2617                                     AR_RTC_FORCE_WAKE_EN);
2618                 }
2619         }
2620 }
2621
2622 static bool ath9k_hw_set_power_awake(struct ath_hal *ah,
2623                                      int setChip)
2624 {
2625         u32 val;
2626         int i;
2627
2628         if (setChip) {
2629                 if ((REG_READ(ah, AR_RTC_STATUS) &
2630                      AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) {
2631                         if (ath9k_hw_set_reset_reg(ah,
2632                                            ATH9K_RESET_POWER_ON) != true) {
2633                                 return false;
2634                         }
2635                 }
2636                 if (AR_SREV_9100(ah))
2637                         REG_SET_BIT(ah, AR_RTC_RESET,
2638                                     AR_RTC_RESET_EN);
2639
2640                 REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2641                             AR_RTC_FORCE_WAKE_EN);
2642                 udelay(50);
2643
2644                 for (i = POWER_UP_TIME / 50; i > 0; i--) {
2645                         val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
2646                         if (val == AR_RTC_STATUS_ON)
2647                                 break;
2648                         udelay(50);
2649                         REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
2650                                     AR_RTC_FORCE_WAKE_EN);
2651                 }
2652                 if (i == 0) {
2653                         DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
2654                                 "Failed to wakeup in %uus\n", POWER_UP_TIME / 20);
2655                         return false;
2656                 }
2657         }
2658
2659         REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
2660
2661         return true;
2662 }
2663
2664 bool ath9k_hw_setpower(struct ath_hal *ah,
2665                        enum ath9k_power_mode mode)
2666 {
2667         struct ath_hal_5416 *ahp = AH5416(ah);
2668         static const char *modes[] = {
2669                 "AWAKE",
2670                 "FULL-SLEEP",
2671                 "NETWORK SLEEP",
2672                 "UNDEFINED"
2673         };
2674         int status = true, setChip = true;
2675
2676         DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT, "%s -> %s (%s)\n",
2677                 modes[ahp->ah_powerMode], modes[mode],
2678                 setChip ? "set chip " : "");
2679
2680         switch (mode) {
2681         case ATH9K_PM_AWAKE:
2682                 status = ath9k_hw_set_power_awake(ah, setChip);
2683                 break;
2684         case ATH9K_PM_FULL_SLEEP:
2685                 ath9k_set_power_sleep(ah, setChip);
2686                 ahp->ah_chipFullSleep = true;
2687                 break;
2688         case ATH9K_PM_NETWORK_SLEEP:
2689                 ath9k_set_power_network_sleep(ah, setChip);
2690                 break;
2691         default:
2692                 DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
2693                         "Unknown power mode %u\n", mode);
2694                 return false;
2695         }
2696         ahp->ah_powerMode = mode;
2697
2698         return status;
2699 }
2700
2701 void ath9k_hw_configpcipowersave(struct ath_hal *ah, int restore)
2702 {
2703         struct ath_hal_5416 *ahp = AH5416(ah);
2704         u8 i;
2705
2706         if (ah->ah_isPciExpress != true)
2707                 return;
2708
2709         if (ah->ah_config.pcie_powersave_enable == 2)
2710                 return;
2711
2712         if (restore)
2713                 return;
2714
2715         if (AR_SREV_9280_20_OR_LATER(ah)) {
2716                 for (i = 0; i < ahp->ah_iniPcieSerdes.ia_rows; i++) {
2717                         REG_WRITE(ah, INI_RA(&ahp->ah_iniPcieSerdes, i, 0),
2718                                   INI_RA(&ahp->ah_iniPcieSerdes, i, 1));
2719                 }
2720                 udelay(1000);
2721         } else if (AR_SREV_9280(ah) &&
2722                    (ah->ah_macRev == AR_SREV_REVISION_9280_10)) {
2723                 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
2724                 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
2725
2726                 REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
2727                 REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
2728                 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
2729
2730                 if (ah->ah_config.pcie_clock_req)
2731                         REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
2732                 else
2733                         REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
2734
2735                 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
2736                 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
2737                 REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
2738
2739                 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
2740
2741                 udelay(1000);
2742         } else {
2743                 REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
2744                 REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
2745                 REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
2746                 REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
2747                 REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
2748                 REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
2749                 REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
2750                 REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
2751                 REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
2752                 REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
2753         }
2754
2755         REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
2756
2757         if (ah->ah_config.pcie_waen) {
2758                 REG_WRITE(ah, AR_WA, ah->ah_config.pcie_waen);
2759         } else {
2760                 if (AR_SREV_9285(ah))
2761                         REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
2762                 else if (AR_SREV_9280(ah))
2763                         REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
2764                 else
2765                         REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
2766         }
2767
2768 }
2769
2770 /**********************/
2771 /* Interrupt Handling */
2772 /**********************/
2773
2774 bool ath9k_hw_intrpend(struct ath_hal *ah)
2775 {
2776         u32 host_isr;
2777
2778         if (AR_SREV_9100(ah))
2779                 return true;
2780
2781         host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
2782         if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
2783                 return true;
2784
2785         host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
2786         if ((host_isr & AR_INTR_SYNC_DEFAULT)
2787             && (host_isr != AR_INTR_SPURIOUS))
2788                 return true;
2789
2790         return false;
2791 }
2792
2793 bool ath9k_hw_getisr(struct ath_hal *ah, enum ath9k_int *masked)
2794 {
2795         u32 isr = 0;
2796         u32 mask2 = 0;
2797         struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
2798         u32 sync_cause = 0;
2799         bool fatal_int = false;
2800         struct ath_hal_5416 *ahp = AH5416(ah);
2801
2802         if (!AR_SREV_9100(ah)) {
2803                 if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
2804                         if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
2805                             == AR_RTC_STATUS_ON) {
2806                                 isr = REG_READ(ah, AR_ISR);
2807                         }
2808                 }
2809
2810                 sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
2811                         AR_INTR_SYNC_DEFAULT;
2812
2813                 *masked = 0;
2814
2815                 if (!isr && !sync_cause)
2816                         return false;
2817         } else {
2818                 *masked = 0;
2819                 isr = REG_READ(ah, AR_ISR);
2820         }
2821
2822         if (isr) {
2823                 if (isr & AR_ISR_BCNMISC) {
2824                         u32 isr2;
2825                         isr2 = REG_READ(ah, AR_ISR_S2);
2826                         if (isr2 & AR_ISR_S2_TIM)
2827                                 mask2 |= ATH9K_INT_TIM;
2828                         if (isr2 & AR_ISR_S2_DTIM)
2829                                 mask2 |= ATH9K_INT_DTIM;
2830                         if (isr2 & AR_ISR_S2_DTIMSYNC)
2831                                 mask2 |= ATH9K_INT_DTIMSYNC;
2832                         if (isr2 & (AR_ISR_S2_CABEND))
2833                                 mask2 |= ATH9K_INT_CABEND;
2834                         if (isr2 & AR_ISR_S2_GTT)
2835                                 mask2 |= ATH9K_INT_GTT;
2836                         if (isr2 & AR_ISR_S2_CST)
2837                                 mask2 |= ATH9K_INT_CST;
2838                 }
2839
2840                 isr = REG_READ(ah, AR_ISR_RAC);
2841                 if (isr == 0xffffffff) {
2842                         *masked = 0;
2843                         return false;
2844                 }
2845
2846                 *masked = isr & ATH9K_INT_COMMON;
2847
2848                 if (ahp->ah_intrMitigation) {
2849                         if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
2850                                 *masked |= ATH9K_INT_RX;
2851                 }
2852
2853                 if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
2854                         *masked |= ATH9K_INT_RX;
2855                 if (isr &
2856                     (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
2857                      AR_ISR_TXEOL)) {
2858                         u32 s0_s, s1_s;
2859
2860                         *masked |= ATH9K_INT_TX;
2861
2862                         s0_s = REG_READ(ah, AR_ISR_S0_S);
2863                         ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
2864                         ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
2865
2866                         s1_s = REG_READ(ah, AR_ISR_S1_S);
2867                         ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
2868                         ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
2869                 }
2870
2871                 if (isr & AR_ISR_RXORN) {
2872                         DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
2873                                 "receive FIFO overrun interrupt\n");
2874                 }
2875
2876                 if (!AR_SREV_9100(ah)) {
2877                         if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
2878                                 u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
2879                                 if (isr5 & AR_ISR_S5_TIM_TIMER)
2880                                         *masked |= ATH9K_INT_TIM_TIMER;
2881                         }
2882                 }
2883
2884                 *masked |= mask2;
2885         }
2886
2887         if (AR_SREV_9100(ah))
2888                 return true;
2889
2890         if (sync_cause) {
2891                 fatal_int =
2892                         (sync_cause &
2893                          (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
2894                         ? true : false;
2895
2896                 if (fatal_int) {
2897                         if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
2898                                 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2899                                         "received PCI FATAL interrupt\n");
2900                         }
2901                         if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
2902                                 DPRINTF(ah->ah_sc, ATH_DBG_ANY,
2903                                         "received PCI PERR interrupt\n");
2904                         }
2905                 }
2906                 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
2907                         DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
2908                                 "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
2909                         REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
2910                         REG_WRITE(ah, AR_RC, 0);
2911                         *masked |= ATH9K_INT_FATAL;
2912                 }
2913                 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
2914                         DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
2915                                 "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
2916                 }
2917
2918                 REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
2919                 (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
2920         }
2921
2922         return true;
2923 }
2924
2925 enum ath9k_int ath9k_hw_intrget(struct ath_hal *ah)
2926 {
2927         return AH5416(ah)->ah_maskReg;
2928 }
2929
2930 enum ath9k_int ath9k_hw_set_interrupts(struct ath_hal *ah, enum ath9k_int ints)
2931 {
2932         struct ath_hal_5416 *ahp = AH5416(ah);
2933         u32 omask = ahp->ah_maskReg;
2934         u32 mask, mask2;
2935         struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
2936
2937         DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
2938
2939         if (omask & ATH9K_INT_GLOBAL) {
2940                 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "disable IER\n");
2941                 REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
2942                 (void) REG_READ(ah, AR_IER);
2943                 if (!AR_SREV_9100(ah)) {
2944                         REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
2945                         (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
2946
2947                         REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
2948                         (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
2949                 }
2950         }
2951
2952         mask = ints & ATH9K_INT_COMMON;
2953         mask2 = 0;
2954
2955         if (ints & ATH9K_INT_TX) {
2956                 if (ahp->ah_txOkInterruptMask)
2957                         mask |= AR_IMR_TXOK;
2958                 if (ahp->ah_txDescInterruptMask)
2959                         mask |= AR_IMR_TXDESC;
2960                 if (ahp->ah_txErrInterruptMask)
2961                         mask |= AR_IMR_TXERR;
2962                 if (ahp->ah_txEolInterruptMask)
2963                         mask |= AR_IMR_TXEOL;
2964         }
2965         if (ints & ATH9K_INT_RX) {
2966                 mask |= AR_IMR_RXERR;
2967                 if (ahp->ah_intrMitigation)
2968                         mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
2969                 else
2970                         mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
2971                 if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
2972                         mask |= AR_IMR_GENTMR;
2973         }
2974
2975         if (ints & (ATH9K_INT_BMISC)) {
2976                 mask |= AR_IMR_BCNMISC;
2977                 if (ints & ATH9K_INT_TIM)
2978                         mask2 |= AR_IMR_S2_TIM;
2979                 if (ints & ATH9K_INT_DTIM)
2980                         mask2 |= AR_IMR_S2_DTIM;
2981                 if (ints & ATH9K_INT_DTIMSYNC)
2982                         mask2 |= AR_IMR_S2_DTIMSYNC;
2983                 if (ints & ATH9K_INT_CABEND)
2984                         mask2 |= (AR_IMR_S2_CABEND);
2985         }
2986
2987         if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
2988                 mask |= AR_IMR_BCNMISC;
2989                 if (ints & ATH9K_INT_GTT)
2990                         mask2 |= AR_IMR_S2_GTT;
2991                 if (ints & ATH9K_INT_CST)
2992                         mask2 |= AR_IMR_S2_CST;
2993         }
2994
2995         DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
2996         REG_WRITE(ah, AR_IMR, mask);
2997         mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
2998                                            AR_IMR_S2_DTIM |
2999                                            AR_IMR_S2_DTIMSYNC |
3000                                            AR_IMR_S2_CABEND |
3001                                            AR_IMR_S2_CABTO |
3002                                            AR_IMR_S2_TSFOOR |
3003                                            AR_IMR_S2_GTT | AR_IMR_S2_CST);
3004         REG_WRITE(ah, AR_IMR_S2, mask | mask2);
3005         ahp->ah_maskReg = ints;
3006
3007         if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
3008                 if (ints & ATH9K_INT_TIM_TIMER)
3009                         REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
3010                 else
3011                         REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
3012         }
3013
3014         if (ints & ATH9K_INT_GLOBAL) {
3015                 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "enable IER\n");
3016                 REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
3017                 if (!AR_SREV_9100(ah)) {
3018                         REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
3019                                   AR_INTR_MAC_IRQ);
3020                         REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
3021
3022
3023                         REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
3024                                   AR_INTR_SYNC_DEFAULT);
3025                         REG_WRITE(ah, AR_INTR_SYNC_MASK,
3026                                   AR_INTR_SYNC_DEFAULT);
3027                 }
3028                 DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
3029                          REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
3030         }
3031
3032         return omask;
3033 }
3034
3035 /*******************/
3036 /* Beacon Handling */
3037 /*******************/
3038
3039 void ath9k_hw_beaconinit(struct ath_hal *ah, u32 next_beacon, u32 beacon_period)
3040 {
3041         struct ath_hal_5416 *ahp = AH5416(ah);
3042         int flags = 0;
3043
3044         ahp->ah_beaconInterval = beacon_period;
3045
3046         switch (ah->ah_opmode) {
3047         case NL80211_IFTYPE_STATION:
3048         case NL80211_IFTYPE_MONITOR:
3049                 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
3050                 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
3051                 REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
3052                 flags |= AR_TBTT_TIMER_EN;
3053                 break;
3054         case NL80211_IFTYPE_ADHOC:
3055                 REG_SET_BIT(ah, AR_TXCFG,
3056                             AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
3057                 REG_WRITE(ah, AR_NEXT_NDP_TIMER,
3058                           TU_TO_USEC(next_beacon +
3059                                      (ahp->ah_atimWindow ? ahp->
3060                                       ah_atimWindow : 1)));
3061                 flags |= AR_NDP_TIMER_EN;
3062         case NL80211_IFTYPE_AP:
3063                 REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
3064                 REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT,
3065                           TU_TO_USEC(next_beacon -
3066                                      ah->ah_config.
3067                                      dma_beacon_response_time));
3068                 REG_WRITE(ah, AR_NEXT_SWBA,
3069                           TU_TO_USEC(next_beacon -
3070                                      ah->ah_config.
3071                                      sw_beacon_response_time));
3072                 flags |=
3073                         AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
3074                 break;
3075         default:
3076                 DPRINTF(ah->ah_sc, ATH_DBG_BEACON,
3077                         "%s: unsupported opmode: %d\n",
3078                         __func__, ah->ah_opmode);
3079                 return;
3080                 break;
3081         }
3082
3083         REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period));
3084         REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period));
3085         REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
3086         REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
3087
3088         beacon_period &= ~ATH9K_BEACON_ENA;
3089         if (beacon_period & ATH9K_BEACON_RESET_TSF) {
3090                 beacon_period &= ~ATH9K_BEACON_RESET_TSF;
3091                 ath9k_hw_reset_tsf(ah);
3092         }
3093
3094         REG_SET_BIT(ah, AR_TIMER_MODE, flags);
3095 }
3096
3097 void ath9k_hw_set_sta_beacon_timers(struct ath_hal *ah,
3098                                     const struct ath9k_beacon_state *bs)
3099 {
3100         u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
3101         struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
3102
3103         REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
3104
3105         REG_WRITE(ah, AR_BEACON_PERIOD,
3106                   TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
3107         REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
3108                   TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
3109
3110         REG_RMW_FIELD(ah, AR_RSSI_THR,
3111                       AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
3112
3113         beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
3114
3115         if (bs->bs_sleepduration > beaconintval)
3116                 beaconintval = bs->bs_sleepduration;
3117
3118         dtimperiod = bs->bs_dtimperiod;
3119         if (bs->bs_sleepduration > dtimperiod)
3120                 dtimperiod = bs->bs_sleepduration;
3121
3122         if (beaconintval == dtimperiod)
3123                 nextTbtt = bs->bs_nextdtim;
3124         else
3125                 nextTbtt = bs->bs_nexttbtt;
3126
3127         DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
3128         DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
3129         DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
3130         DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
3131
3132         REG_WRITE(ah, AR_NEXT_DTIM,
3133                   TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
3134         REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
3135
3136         REG_WRITE(ah, AR_SLEEP1,
3137                   SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
3138                   | AR_SLEEP1_ASSUME_DTIM);
3139
3140         if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
3141                 beacontimeout = (BEACON_TIMEOUT_VAL << 3);
3142         else
3143                 beacontimeout = MIN_BEACON_TIMEOUT_VAL;
3144
3145         REG_WRITE(ah, AR_SLEEP2,
3146                   SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
3147
3148         REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
3149         REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
3150
3151         REG_SET_BIT(ah, AR_TIMER_MODE,
3152                     AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
3153                     AR_DTIM_TIMER_EN);
3154
3155 }
3156
3157 /*******************/
3158 /* HW Capabilities */
3159 /*******************/
3160
3161 bool ath9k_hw_fill_cap_info(struct ath_hal *ah)
3162 {
3163         struct ath_hal_5416 *ahp = AH5416(ah);
3164         struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
3165         u16 capField = 0, eeval;
3166
3167         eeval = ath9k_hw_get_eeprom(ah, EEP_REG_0);
3168
3169         ah->ah_currentRD = eeval;
3170
3171         eeval = ath9k_hw_get_eeprom(ah, EEP_REG_1);
3172         ah->ah_currentRDExt = eeval;
3173
3174         capField = ath9k_hw_get_eeprom(ah, EEP_OP_CAP);
3175
3176         if (ah->ah_opmode != NL80211_IFTYPE_AP &&
3177             ah->ah_subvendorid == AR_SUBVENDOR_ID_NEW_A) {
3178                 if (ah->ah_currentRD == 0x64 || ah->ah_currentRD == 0x65)
3179                         ah->ah_currentRD += 5;
3180                 else if (ah->ah_currentRD == 0x41)
3181                         ah->ah_currentRD = 0x43;
3182                 DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
3183                         "regdomain mapped to 0x%x\n", ah->ah_currentRD);
3184         }
3185
3186         eeval = ath9k_hw_get_eeprom(ah, EEP_OP_MODE);
3187         bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
3188
3189         if (eeval & AR5416_OPFLAGS_11A) {
3190                 set_bit(ATH9K_MODE_11A, pCap->wireless_modes);
3191                 if (ah->ah_config.ht_enable) {
3192                         if (!(eeval & AR5416_OPFLAGS_N_5G_HT20))
3193                                 set_bit(ATH9K_MODE_11NA_HT20,
3194                                         pCap->wireless_modes);
3195                         if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) {
3196                                 set_bit(ATH9K_MODE_11NA_HT40PLUS,
3197                                         pCap->wireless_modes);
3198                                 set_bit(ATH9K_MODE_11NA_HT40MINUS,
3199                                         pCap->wireless_modes);
3200                         }
3201                 }
3202         }
3203
3204         if (eeval & AR5416_OPFLAGS_11G) {
3205                 set_bit(ATH9K_MODE_11B, pCap->wireless_modes);
3206                 set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
3207                 if (ah->ah_config.ht_enable) {
3208                         if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
3209                                 set_bit(ATH9K_MODE_11NG_HT20,
3210                                         pCap->wireless_modes);
3211                         if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) {
3212                                 set_bit(ATH9K_MODE_11NG_HT40PLUS,
3213                                         pCap->wireless_modes);
3214                                 set_bit(ATH9K_MODE_11NG_HT40MINUS,
3215                                         pCap->wireless_modes);
3216                         }
3217                 }
3218         }
3219
3220         pCap->tx_chainmask = ath9k_hw_get_eeprom(ah, EEP_TX_MASK);
3221         if ((ah->ah_isPciExpress)
3222             || (eeval & AR5416_OPFLAGS_11A)) {
3223                 pCap->rx_chainmask =
3224                         ath9k_hw_get_eeprom(ah, EEP_RX_MASK);
3225         } else {
3226                 pCap->rx_chainmask =
3227                         (ath9k_hw_gpio_get(ah, 0)) ? 0x5 : 0x7;
3228         }
3229
3230         if (!(AR_SREV_9280(ah) && (ah->ah_macRev == 0)))
3231                 ahp->ah_miscMode |= AR_PCU_MIC_NEW_LOC_ENA;
3232
3233         pCap->low_2ghz_chan = 2312;
3234         pCap->high_2ghz_chan = 2732;
3235
3236         pCap->low_5ghz_chan = 4920;
3237         pCap->high_5ghz_chan = 6100;
3238
3239         pCap->hw_caps &= ~ATH9K_HW_CAP_CIPHER_CKIP;
3240         pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_TKIP;
3241         pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_AESCCM;
3242
3243         pCap->hw_caps &= ~ATH9K_HW_CAP_MIC_CKIP;
3244         pCap->hw_caps |= ATH9K_HW_CAP_MIC_TKIP;
3245         pCap->hw_caps |= ATH9K_HW_CAP_MIC_AESCCM;
3246
3247         pCap->hw_caps |= ATH9K_HW_CAP_CHAN_SPREAD;
3248
3249         if (ah->ah_config.ht_enable)
3250                 pCap->hw_caps |= ATH9K_HW_CAP_HT;
3251         else
3252                 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
3253
3254         pCap->hw_caps |= ATH9K_HW_CAP_GTT;
3255         pCap->hw_caps |= ATH9K_HW_CAP_VEOL;
3256         pCap->hw_caps |= ATH9K_HW_CAP_BSSIDMASK;
3257         pCap->hw_caps &= ~ATH9K_HW_CAP_MCAST_KEYSEARCH;
3258
3259         if (capField & AR_EEPROM_EEPCAP_MAXQCU)
3260                 pCap->total_queues =
3261                         MS(capField, AR_EEPROM_EEPCAP_MAXQCU);
3262         else
3263                 pCap->total_queues = ATH9K_NUM_TX_QUEUES;
3264
3265         if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
3266                 pCap->keycache_size =
3267                         1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
3268         else
3269                 pCap->keycache_size = AR_KEYTABLE_SIZE;
3270
3271         pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
3272         pCap->num_mr_retries = 4;
3273         pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
3274
3275         if (AR_SREV_9280_10_OR_LATER(ah))
3276                 pCap->num_gpio_pins = AR928X_NUM_GPIO;
3277         else
3278                 pCap->num_gpio_pins = AR_NUM_GPIO;
3279
3280         if (AR_SREV_9280_10_OR_LATER(ah)) {
3281                 pCap->hw_caps |= ATH9K_HW_CAP_WOW;
3282                 pCap->hw_caps |= ATH9K_HW_CAP_WOW_MATCHPATTERN_EXACT;
3283         } else {
3284                 pCap->hw_caps &= ~ATH9K_HW_CAP_WOW;
3285                 pCap->hw_caps &= ~ATH9K_HW_CAP_WOW_MATCHPATTERN_EXACT;
3286         }
3287
3288         if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
3289                 pCap->hw_caps |= ATH9K_HW_CAP_CST;
3290                 pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
3291         } else {
3292                 pCap->rts_aggr_limit = (8 * 1024);
3293         }
3294
3295         pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
3296
3297 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
3298         ah->ah_rfsilent = ath9k_hw_get_eeprom(ah, EEP_RF_SILENT);
3299         if (ah->ah_rfsilent & EEP_RFSILENT_ENABLED) {
3300                 ah->ah_rfkill_gpio =
3301                         MS(ah->ah_rfsilent, EEP_RFSILENT_GPIO_SEL);
3302                 ah->ah_rfkill_polarity =
3303                         MS(ah->ah_rfsilent, EEP_RFSILENT_POLARITY);
3304
3305                 pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
3306         }
3307 #endif
3308
3309         if ((ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) ||
3310             (ah->ah_macVersion == AR_SREV_VERSION_5416_PCIE) ||
3311             (ah->ah_macVersion == AR_SREV_VERSION_9160) ||
3312             (ah->ah_macVersion == AR_SREV_VERSION_9100) ||
3313             (ah->ah_macVersion == AR_SREV_VERSION_9280))
3314                 pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
3315         else
3316                 pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
3317
3318         if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
3319                 pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
3320         else
3321                 pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
3322
3323         if (ah->ah_currentRDExt & (1 << REG_EXT_JAPAN_MIDBAND)) {
3324                 pCap->reg_cap =
3325                         AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3326                         AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
3327                         AR_EEPROM_EEREGCAP_EN_KK_U2 |
3328                         AR_EEPROM_EEREGCAP_EN_KK_MIDBAND;
3329         } else {
3330                 pCap->reg_cap =
3331                         AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
3332                         AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
3333         }
3334
3335         pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
3336
3337         pCap->num_antcfg_5ghz =
3338                 ath9k_hw_get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ);
3339         pCap->num_antcfg_2ghz =
3340                 ath9k_hw_get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
3341
3342         return true;
3343 }
3344
3345 bool ath9k_hw_getcapability(struct ath_hal *ah, enum ath9k_capability_type type,
3346                             u32 capability, u32 *result)
3347 {
3348         struct ath_hal_5416 *ahp = AH5416(ah);
3349         const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
3350
3351         switch (type) {
3352         case ATH9K_CAP_CIPHER:
3353                 switch (capability) {
3354                 case ATH9K_CIPHER_AES_CCM:
3355                 case ATH9K_CIPHER_AES_OCB:
3356                 case ATH9K_CIPHER_TKIP:
3357                 case ATH9K_CIPHER_WEP:
3358                 case ATH9K_CIPHER_MIC:
3359                 case ATH9K_CIPHER_CLR:
3360                         return true;
3361                 default:
3362                         return false;
3363                 }
3364         case ATH9K_CAP_TKIP_MIC:
3365                 switch (capability) {
3366                 case 0:
3367                         return true;
3368                 case 1:
3369                         return (ahp->ah_staId1Defaults &
3370                                 AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
3371                         false;
3372                 }
3373         case ATH9K_CAP_TKIP_SPLIT:
3374                 return (ahp->ah_miscMode & AR_PCU_MIC_NEW_LOC_ENA) ?
3375                         false : true;
3376         case ATH9K_CAP_WME_TKIPMIC:
3377                 return 0;
3378         case ATH9K_CAP_PHYCOUNTERS:
3379                 return ahp->ah_hasHwPhyCounters ? 0 : -ENXIO;
3380         case ATH9K_CAP_DIVERSITY:
3381                 return (REG_READ(ah, AR_PHY_CCK_DETECT) &
3382                         AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV) ?
3383                         true : false;
3384         case ATH9K_CAP_PHYDIAG:
3385                 return true;
3386         case ATH9K_CAP_MCAST_KEYSRCH:
3387                 switch (capability) {
3388                 case 0:
3389                         return true;
3390                 case 1:
3391                         if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
3392                                 return false;
3393                         } else {
3394                                 return (ahp->ah_staId1Defaults &
3395                                         AR_STA_ID1_MCAST_KSRCH) ? true :
3396                                         false;
3397                         }
3398                 }
3399                 return false;
3400         case ATH9K_CAP_TSF_ADJUST:
3401                 return (ahp->ah_miscMode & AR_PCU_TX_ADD_TSF) ?
3402                         true : false;
3403         case ATH9K_CAP_RFSILENT:
3404                 if (capability == 3)
3405                         return false;
3406         case ATH9K_CAP_ANT_CFG_2GHZ:
3407                 *result = pCap->num_antcfg_2ghz;
3408                 return true;
3409         case ATH9K_CAP_ANT_CFG_5GHZ:
3410                 *result = pCap->num_antcfg_5ghz;
3411                 return true;
3412         case ATH9K_CAP_TXPOW:
3413                 switch (capability) {
3414                 case 0:
3415                         return 0;
3416                 case 1:
3417                         *result = ah->ah_powerLimit;
3418                         return 0;
3419                 case 2:
3420                         *result = ah->ah_maxPowerLevel;
3421                         return 0;
3422                 case 3:
3423                         *result = ah->ah_tpScale;
3424                         return 0;
3425                 }
3426                 return false;
3427         default:
3428                 return false;
3429         }
3430 }
3431
3432 bool ath9k_hw_setcapability(struct ath_hal *ah, enum ath9k_capability_type type,
3433                             u32 capability, u32 setting, int *status)
3434 {
3435         struct ath_hal_5416 *ahp = AH5416(ah);
3436         u32 v;
3437
3438         switch (type) {
3439         case ATH9K_CAP_TKIP_MIC:
3440                 if (setting)
3441                         ahp->ah_staId1Defaults |=
3442                                 AR_STA_ID1_CRPT_MIC_ENABLE;
3443                 else
3444                         ahp->ah_staId1Defaults &=
3445                                 ~AR_STA_ID1_CRPT_MIC_ENABLE;
3446                 return true;
3447         case ATH9K_CAP_DIVERSITY:
3448                 v = REG_READ(ah, AR_PHY_CCK_DETECT);
3449                 if (setting)
3450                         v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
3451                 else
3452                         v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
3453                 REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
3454                 return true;
3455         case ATH9K_CAP_MCAST_KEYSRCH:
3456                 if (setting)
3457                         ahp->ah_staId1Defaults |= AR_STA_ID1_MCAST_KSRCH;
3458                 else
3459                         ahp->ah_staId1Defaults &= ~AR_STA_ID1_MCAST_KSRCH;
3460                 return true;
3461         case ATH9K_CAP_TSF_ADJUST:
3462                 if (setting)
3463                         ahp->ah_miscMode |= AR_PCU_TX_ADD_TSF;
3464                 else
3465                         ahp->ah_miscMode &= ~AR_PCU_TX_ADD_TSF;
3466                 return true;
3467         default:
3468                 return false;
3469         }
3470 }
3471
3472 /****************************/
3473 /* GPIO / RFKILL / Antennae */
3474 /****************************/
3475
3476 static void ath9k_hw_gpio_cfg_output_mux(struct ath_hal *ah,
3477                                          u32 gpio, u32 type)
3478 {
3479         int addr;
3480         u32 gpio_shift, tmp;
3481
3482         if (gpio > 11)
3483                 addr = AR_GPIO_OUTPUT_MUX3;
3484         else if (gpio > 5)
3485                 addr = AR_GPIO_OUTPUT_MUX2;
3486         else
3487                 addr = AR_GPIO_OUTPUT_MUX1;
3488
3489         gpio_shift = (gpio % 6) * 5;
3490
3491         if (AR_SREV_9280_20_OR_LATER(ah)
3492             || (addr != AR_GPIO_OUTPUT_MUX1)) {
3493                 REG_RMW(ah, addr, (type << gpio_shift),
3494                         (0x1f << gpio_shift));
3495         } else {
3496                 tmp = REG_READ(ah, addr);
3497                 tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
3498                 tmp &= ~(0x1f << gpio_shift);
3499                 tmp |= (type << gpio_shift);
3500                 REG_WRITE(ah, addr, tmp);
3501         }
3502 }
3503
3504 void ath9k_hw_cfg_gpio_input(struct ath_hal *ah, u32 gpio)
3505 {
3506         u32 gpio_shift;
3507
3508         ASSERT(gpio < ah->ah_caps.num_gpio_pins);
3509
3510         gpio_shift = gpio << 1;
3511
3512         REG_RMW(ah,
3513                 AR_GPIO_OE_OUT,
3514                 (AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
3515                 (AR_GPIO_OE_OUT_DRV << gpio_shift));
3516 }
3517
3518 u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio)
3519 {
3520         if (gpio >= ah->ah_caps.num_gpio_pins)
3521                 return 0xffffffff;
3522
3523         if (AR_SREV_9280_10_OR_LATER(ah)) {
3524                 return (MS
3525                         (REG_READ(ah, AR_GPIO_IN_OUT),
3526                          AR928X_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) != 0;
3527         } else {
3528                 return (MS(REG_READ(ah, AR_GPIO_IN_OUT), AR_GPIO_IN_VAL) &
3529                         AR_GPIO_BIT(gpio)) != 0;
3530         }
3531 }
3532
3533 void ath9k_hw_cfg_output(struct ath_hal *ah, u32 gpio,
3534                          u32 ah_signal_type)
3535 {
3536         u32 gpio_shift;
3537
3538         ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
3539
3540         gpio_shift = 2 * gpio;
3541
3542         REG_RMW(ah,
3543                 AR_GPIO_OE_OUT,
3544                 (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
3545                 (AR_GPIO_OE_OUT_DRV << gpio_shift));
3546 }
3547
3548 void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 val)
3549 {
3550         REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
3551                 AR_GPIO_BIT(gpio));
3552 }
3553
3554 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
3555 void ath9k_enable_rfkill(struct ath_hal *ah)
3556 {
3557         REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
3558                     AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
3559
3560         REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
3561                     AR_GPIO_INPUT_MUX2_RFSILENT);
3562
3563         ath9k_hw_cfg_gpio_input(ah, ah->ah_rfkill_gpio);
3564         REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
3565 }
3566 #endif
3567
3568 int ath9k_hw_select_antconfig(struct ath_hal *ah, u32 cfg)
3569 {
3570         struct ath9k_channel *chan = ah->ah_curchan;
3571         const struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
3572         u16 ant_config;
3573         u32 halNumAntConfig;
3574
3575         halNumAntConfig = IS_CHAN_2GHZ(chan) ?
3576                 pCap->num_antcfg_2ghz : pCap->num_antcfg_5ghz;
3577
3578         if (cfg < halNumAntConfig) {
3579                 if (!ath9k_hw_get_eeprom_antenna_cfg(ah, chan,
3580                                                      cfg, &ant_config)) {
3581                         REG_WRITE(ah, AR_PHY_SWITCH_COM, ant_config);
3582                         return 0;
3583                 }
3584         }
3585
3586         return -EINVAL;
3587 }
3588
3589 u32 ath9k_hw_getdefantenna(struct ath_hal *ah)
3590 {
3591         return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
3592 }
3593
3594 void ath9k_hw_setantenna(struct ath_hal *ah, u32 antenna)
3595 {
3596         REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
3597 }
3598
3599 bool ath9k_hw_setantennaswitch(struct ath_hal *ah,
3600                                enum ath9k_ant_setting settings,
3601                                struct ath9k_channel *chan,
3602                                u8 *tx_chainmask,
3603                                u8 *rx_chainmask,
3604                                u8 *antenna_cfgd)
3605 {
3606         struct ath_hal_5416 *ahp = AH5416(ah);
3607         static u8 tx_chainmask_cfg, rx_chainmask_cfg;
3608
3609         if (AR_SREV_9280(ah)) {
3610                 if (!tx_chainmask_cfg) {
3611
3612                         tx_chainmask_cfg = *tx_chainmask;
3613                         rx_chainmask_cfg = *rx_chainmask;
3614                 }
3615
3616                 switch (settings) {
3617                 case ATH9K_ANT_FIXED_A:
3618                         *tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
3619                         *rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
3620                         *antenna_cfgd = true;
3621                         break;
3622                 case ATH9K_ANT_FIXED_B:
3623                         if (ah->ah_caps.tx_chainmask >
3624                             ATH9K_ANTENNA1_CHAINMASK) {
3625                                 *tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
3626                         }
3627                         *rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
3628                         *antenna_cfgd = true;
3629                         break;
3630                 case ATH9K_ANT_VARIABLE:
3631                         *tx_chainmask = tx_chainmask_cfg;
3632                         *rx_chainmask = rx_chainmask_cfg;
3633                         *antenna_cfgd = true;
3634                         break;
3635                 default:
3636                         break;
3637                 }
3638         } else {
3639                 ahp->ah_diversityControl = settings;
3640         }
3641
3642         return true;
3643 }
3644
3645 /*********************/
3646 /* General Operation */
3647 /*********************/
3648
3649 u32 ath9k_hw_getrxfilter(struct ath_hal *ah)
3650 {
3651         u32 bits = REG_READ(ah, AR_RX_FILTER);
3652         u32 phybits = REG_READ(ah, AR_PHY_ERR);
3653
3654         if (phybits & AR_PHY_ERR_RADAR)
3655                 bits |= ATH9K_RX_FILTER_PHYRADAR;
3656         if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
3657                 bits |= ATH9K_RX_FILTER_PHYERR;
3658
3659         return bits;
3660 }
3661
3662 void ath9k_hw_setrxfilter(struct ath_hal *ah, u32 bits)
3663 {
3664         u32 phybits;
3665
3666         REG_WRITE(ah, AR_RX_FILTER, (bits & 0xffff) | AR_RX_COMPR_BAR);
3667         phybits = 0;
3668         if (bits & ATH9K_RX_FILTER_PHYRADAR)
3669                 phybits |= AR_PHY_ERR_RADAR;
3670         if (bits & ATH9K_RX_FILTER_PHYERR)
3671                 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
3672         REG_WRITE(ah, AR_PHY_ERR, phybits);
3673
3674         if (phybits)
3675                 REG_WRITE(ah, AR_RXCFG,
3676                           REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
3677         else
3678                 REG_WRITE(ah, AR_RXCFG,
3679                           REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
3680 }
3681
3682 bool ath9k_hw_phy_disable(struct ath_hal *ah)
3683 {
3684         return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM);
3685 }
3686
3687 bool ath9k_hw_disable(struct ath_hal *ah)
3688 {
3689         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
3690                 return false;
3691
3692         return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
3693 }
3694
3695 bool ath9k_hw_set_txpowerlimit(struct ath_hal *ah, u32 limit)
3696 {
3697         struct ath9k_channel *chan = ah->ah_curchan;
3698
3699         ah->ah_powerLimit = min(limit, (u32) MAX_RATE_POWER);
3700
3701         if (ath9k_hw_set_txpower(ah, chan,
3702                                  ath9k_regd_get_ctl(ah, chan),
3703                                  ath9k_regd_get_antenna_allowed(ah, chan),
3704                                  chan->maxRegTxPower * 2,
3705                                  min((u32) MAX_RATE_POWER,
3706                                      (u32) ah->ah_powerLimit)) != 0)
3707                 return false;
3708
3709         return true;
3710 }
3711
3712 void ath9k_hw_getmac(struct ath_hal *ah, u8 *mac)
3713 {
3714         struct ath_hal_5416 *ahp = AH5416(ah);
3715
3716         memcpy(mac, ahp->ah_macaddr, ETH_ALEN);
3717 }
3718
3719 bool ath9k_hw_setmac(struct ath_hal *ah, const u8 *mac)
3720 {
3721         struct ath_hal_5416 *ahp = AH5416(ah);
3722
3723         memcpy(ahp->ah_macaddr, mac, ETH_ALEN);
3724
3725         return true;
3726 }
3727
3728 void ath9k_hw_setopmode(struct ath_hal *ah)
3729 {
3730         ath9k_hw_set_operating_mode(ah, ah->ah_opmode);
3731 }
3732
3733 void ath9k_hw_setmcastfilter(struct ath_hal *ah, u32 filter0, u32 filter1)
3734 {
3735         REG_WRITE(ah, AR_MCAST_FIL0, filter0);
3736         REG_WRITE(ah, AR_MCAST_FIL1, filter1);
3737 }
3738
3739 void ath9k_hw_getbssidmask(struct ath_hal *ah, u8 *mask)
3740 {
3741         struct ath_hal_5416 *ahp = AH5416(ah);
3742
3743         memcpy(mask, ahp->ah_bssidmask, ETH_ALEN);
3744 }
3745
3746 bool ath9k_hw_setbssidmask(struct ath_hal *ah, const u8 *mask)
3747 {
3748         struct ath_hal_5416 *ahp = AH5416(ah);
3749
3750         memcpy(ahp->ah_bssidmask, mask, ETH_ALEN);
3751
3752         REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ahp->ah_bssidmask));
3753         REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ahp->ah_bssidmask + 4));
3754
3755         return true;
3756 }
3757
3758 void ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid, u16 assocId)
3759 {
3760         struct ath_hal_5416 *ahp = AH5416(ah);
3761
3762         memcpy(ahp->ah_bssid, bssid, ETH_ALEN);
3763         ahp->ah_assocId = assocId;
3764
3765         REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ahp->ah_bssid));
3766         REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ahp->ah_bssid + 4) |
3767                   ((assocId & 0x3fff) << AR_BSS_ID1_AID_S));
3768 }
3769
3770 u64 ath9k_hw_gettsf64(struct ath_hal *ah)
3771 {
3772         u64 tsf;
3773
3774         tsf = REG_READ(ah, AR_TSF_U32);
3775         tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
3776
3777         return tsf;
3778 }
3779
3780 void ath9k_hw_reset_tsf(struct ath_hal *ah)
3781 {
3782         int count;
3783
3784         count = 0;
3785         while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
3786                 count++;
3787                 if (count > 10) {
3788                         DPRINTF(ah->ah_sc, ATH_DBG_RESET,
3789                                 "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
3790                         break;
3791                 }
3792                 udelay(10);
3793         }
3794         REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
3795 }
3796
3797 bool ath9k_hw_set_tsfadjust(struct ath_hal *ah, u32 setting)
3798 {
3799         struct ath_hal_5416 *ahp = AH5416(ah);
3800
3801         if (setting)
3802                 ahp->ah_miscMode |= AR_PCU_TX_ADD_TSF;
3803         else
3804                 ahp->ah_miscMode &= ~AR_PCU_TX_ADD_TSF;
3805
3806         return true;
3807 }
3808
3809 bool ath9k_hw_setslottime(struct ath_hal *ah, u32 us)
3810 {
3811         struct ath_hal_5416 *ahp = AH5416(ah);
3812
3813         if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
3814                 DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad slot time %u\n", us);
3815                 ahp->ah_slottime = (u32) -1;
3816                 return false;
3817         } else {
3818                 REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
3819                 ahp->ah_slottime = us;
3820                 return true;
3821         }
3822 }
3823
3824 void ath9k_hw_set11nmac2040(struct ath_hal *ah, enum ath9k_ht_macmode mode)
3825 {
3826         u32 macmode;
3827
3828         if (mode == ATH9K_HT_MACMODE_2040 &&
3829             !ah->ah_config.cwm_ignore_extcca)
3830                 macmode = AR_2040_JOINED_RX_CLEAR;
3831         else
3832                 macmode = 0;
3833
3834         REG_WRITE(ah, AR_2040_MODE, macmode);
3835 }