1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting 5 * Copyright (c) 2008 Atheros Communications, Inc. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 * 19 * $FreeBSD$ 20 */ 21 #include "opt_ah.h" 22 23 #include "ah.h" 24 #include "ah_internal.h" 25 #include "ah_devid.h" 26 27 #include "ah_eeprom_v14.h" /* XXX for tx/rx gain */ 28 29 #include "ar9002/ar9280.h" 30 #include "ar5416/ar5416reg.h" 31 #include "ar5416/ar5416phy.h" 32 33 #include "ar9002/ar9280v1.ini" 34 #include "ar9002/ar9280v2.ini" 35 #include "ar9002/ar9280_olc.h" 36 37 static const HAL_PERCAL_DATA ar9280_iq_cal = { /* single sample */ 38 .calName = "IQ", .calType = IQ_MISMATCH_CAL, 39 .calNumSamples = MIN_CAL_SAMPLES, 40 .calCountMax = PER_MAX_LOG_COUNT, 41 .calCollect = ar5416IQCalCollect, 42 .calPostProc = ar5416IQCalibration 43 }; 44 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = { /* single sample */ 45 .calName = "ADC Gain", .calType = ADC_GAIN_CAL, 46 .calNumSamples = MIN_CAL_SAMPLES, 47 .calCountMax = PER_MAX_LOG_COUNT, 48 .calCollect = ar5416AdcGainCalCollect, 49 .calPostProc = ar5416AdcGainCalibration 50 }; 51 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = { /* single sample */ 52 .calName = "ADC DC", .calType = ADC_DC_CAL, 53 .calNumSamples = MIN_CAL_SAMPLES, 54 .calCountMax = PER_MAX_LOG_COUNT, 55 .calCollect = ar5416AdcDcCalCollect, 56 .calPostProc = ar5416AdcDcCalibration 57 }; 58 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = { 59 .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL, 60 .calNumSamples = MIN_CAL_SAMPLES, 61 .calCountMax = INIT_LOG_COUNT, 62 .calCollect = ar5416AdcDcCalCollect, 63 .calPostProc = ar5416AdcDcCalibration 64 }; 65 66 static void ar9280ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, 67 HAL_BOOL power_off); 68 static void ar9280DisablePCIE(struct ath_hal *ah); 69 static HAL_BOOL ar9280FillCapabilityInfo(struct ath_hal *ah); 70 static void ar9280WriteIni(struct ath_hal *ah, 71 const struct ieee80211_channel *chan); 72 73 static void 74 ar9280AniSetup(struct ath_hal *ah) 75 { 76 /* 77 * These are the parameters from the AR5416 ANI code; 78 * they likely need quite a bit of adjustment for the 79 * AR9280. 80 */ 81 static const struct ar5212AniParams aniparams = { 82 .maxNoiseImmunityLevel = 4, /* levels 0..4 */ 83 .totalSizeDesired = { -55, -55, -55, -55, -62 }, 84 .coarseHigh = { -14, -14, -14, -14, -12 }, 85 .coarseLow = { -64, -64, -64, -64, -70 }, 86 .firpwr = { -78, -78, -78, -78, -80 }, 87 .maxSpurImmunityLevel = 7, 88 .cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 }, 89 .maxFirstepLevel = 2, /* levels 0..2 */ 90 .firstep = { 0, 4, 8 }, 91 .ofdmTrigHigh = 500, 92 .ofdmTrigLow = 200, 93 .cckTrigHigh = 200, 94 .cckTrigLow = 100, 95 .rssiThrHigh = 40, 96 .rssiThrLow = 7, 97 .period = 100, 98 }; 99 /* NB: disable ANI noise immmunity for reliable RIFS rx */ 100 AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL); 101 102 /* NB: ANI is not enabled yet */ 103 ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE); 104 } 105 106 void 107 ar9280InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan) 108 { 109 uint32_t pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV); 110 111 if (AR_SREV_MERLIN_20(ah) && 112 chan != AH_NULL && IEEE80211_IS_CHAN_5GHZ(chan)) { 113 /* 114 * PLL WAR for Merlin 2.0/2.1 115 * When doing fast clock, set PLL to 0x142c 116 * Else, set PLL to 0x2850 to prevent reset-to-reset variation 117 */ 118 pll = IS_5GHZ_FAST_CLOCK_EN(ah, chan) ? 0x142c : 0x2850; 119 if (IEEE80211_IS_CHAN_HALF(chan)) 120 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL); 121 else if (IEEE80211_IS_CHAN_QUARTER(chan)) 122 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL); 123 } else if (AR_SREV_MERLIN_10_OR_LATER(ah)) { 124 pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV); 125 if (chan != AH_NULL) { 126 if (IEEE80211_IS_CHAN_HALF(chan)) 127 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL); 128 else if (IEEE80211_IS_CHAN_QUARTER(chan)) 129 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL); 130 if (IEEE80211_IS_CHAN_5GHZ(chan)) 131 pll |= SM(0x28, AR_RTC_SOWL_PLL_DIV); 132 else 133 pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV); 134 } else 135 pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV); 136 } 137 138 OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll); 139 OS_DELAY(RTC_PLL_SETTLE_DELAY); 140 OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK); 141 } 142 143 /* XXX shouldn't be here! */ 144 #define EEP_MINOR(_ah) \ 145 (AH_PRIVATE(_ah)->ah_eeversion & AR5416_EEP_VER_MINOR_MASK) 146 147 /* 148 * Attach for an AR9280 part. 149 */ 150 static struct ath_hal * 151 ar9280Attach(uint16_t devid, HAL_SOFTC sc, 152 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata, 153 HAL_OPS_CONFIG *ah_config, 154 HAL_STATUS *status) 155 { 156 struct ath_hal_9280 *ahp9280; 157 struct ath_hal_5212 *ahp; 158 struct ath_hal *ah; 159 uint32_t val; 160 HAL_STATUS ecode; 161 HAL_BOOL rfStatus; 162 int8_t pwr_table_offset; 163 uint8_t pwr; 164 165 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n", 166 __func__, sc, (void*) st, (void*) sh); 167 168 /* NB: memory is returned zero'd */ 169 ahp9280 = ath_hal_malloc(sizeof (struct ath_hal_9280)); 170 if (ahp9280 == AH_NULL) { 171 HALDEBUG(AH_NULL, HAL_DEBUG_ANY, 172 "%s: cannot allocate memory for state block\n", __func__); 173 *status = HAL_ENOMEM; 174 return AH_NULL; 175 } 176 ahp = AH5212(ahp9280); 177 ah = &ahp->ah_priv.h; 178 179 ar5416InitState(AH5416(ah), devid, sc, st, sh, status); 180 181 /* 182 * Use the "local" EEPROM data given to us by the higher layers. 183 * This is a private copy out of system flash. The Linux ath9k 184 * commit for the initial AR9130 support mentions MMIO flash 185 * access is "unreliable." -adrian 186 */ 187 if (eepromdata != AH_NULL) { 188 AH_PRIVATE((ah))->ah_eepromRead = ath_hal_EepromDataRead; 189 AH_PRIVATE((ah))->ah_eepromWrite = NULL; 190 ah->ah_eepromdata = eepromdata; 191 } 192 193 /* XXX override with 9280 specific state */ 194 /* override 5416 methods for our needs */ 195 AH5416(ah)->ah_initPLL = ar9280InitPLL; 196 197 ah->ah_setAntennaSwitch = ar9280SetAntennaSwitch; 198 ah->ah_configPCIE = ar9280ConfigPCIE; 199 ah->ah_disablePCIE = ar9280DisablePCIE; 200 201 AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal; 202 AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal; 203 AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal; 204 AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal; 205 AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL; 206 207 AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate; 208 AH5416(ah)->ah_writeIni = ar9280WriteIni; 209 AH5416(ah)->ah_olcInit = ar9280olcInit; 210 AH5416(ah)->ah_olcTempCompensation = ar9280olcTemperatureCompensation; 211 AH5416(ah)->ah_setPowerCalTable = ar9280SetPowerCalTable; 212 213 AH5416(ah)->ah_rx_chainmask = AR9280_DEFAULT_RXCHAINMASK; 214 AH5416(ah)->ah_tx_chainmask = AR9280_DEFAULT_TXCHAINMASK; 215 216 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) { 217 /* reset chip */ 218 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", 219 __func__); 220 ecode = HAL_EIO; 221 goto bad; 222 } 223 224 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) { 225 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", 226 __func__); 227 ecode = HAL_EIO; 228 goto bad; 229 } 230 /* Read Revisions from Chips before taking out of reset */ 231 val = OS_REG_READ(ah, AR_SREV); 232 HALDEBUG(ah, HAL_DEBUG_ATTACH, 233 "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n", 234 __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION), 235 MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION)); 236 /* NB: include chip type to differentiate from pre-Sowl versions */ 237 AH_PRIVATE(ah)->ah_macVersion = 238 (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S; 239 AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION); 240 AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0; 241 242 /* setup common ini data; rf backends handle remainder */ 243 if (AR_SREV_MERLIN_20_OR_LATER(ah)) { 244 HAL_INI_INIT(&ahp->ah_ini_modes, ar9280Modes_v2, 6); 245 HAL_INI_INIT(&ahp->ah_ini_common, ar9280Common_v2, 2); 246 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, 247 ar9280PciePhy_clkreq_always_on_L1_v2, 2); 248 HAL_INI_INIT(&ahp9280->ah_ini_xmodes, 249 ar9280Modes_fast_clock_v2, 3); 250 } else { 251 HAL_INI_INIT(&ahp->ah_ini_modes, ar9280Modes_v1, 6); 252 HAL_INI_INIT(&ahp->ah_ini_common, ar9280Common_v1, 2); 253 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, 254 ar9280PciePhy_v1, 2); 255 } 256 ar5416AttachPCIE(ah); 257 258 ecode = ath_hal_v14EepromAttach(ah); 259 if (ecode != HAL_OK) 260 goto bad; 261 262 if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */ 263 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__); 264 ecode = HAL_EIO; 265 goto bad; 266 } 267 268 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID); 269 270 if (!ar5212ChipTest(ah)) { 271 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n", 272 __func__); 273 ecode = HAL_ESELFTEST; 274 goto bad; 275 } 276 277 /* 278 * Set correct Baseband to analog shift 279 * setting to access analog chips. 280 */ 281 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 282 283 /* Read Radio Chip Rev Extract */ 284 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah); 285 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) { 286 case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */ 287 case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */ 288 break; 289 default: 290 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) { 291 AH_PRIVATE(ah)->ah_analog5GhzRev = 292 AR_RAD5133_SREV_MAJOR; 293 break; 294 } 295 #ifdef AH_DEBUG 296 HALDEBUG(ah, HAL_DEBUG_ANY, 297 "%s: 5G Radio Chip Rev 0x%02X is not supported by " 298 "this driver\n", __func__, 299 AH_PRIVATE(ah)->ah_analog5GhzRev); 300 ecode = HAL_ENOTSUPP; 301 goto bad; 302 #endif 303 } 304 rfStatus = ar9280RfAttach(ah, &ecode); 305 if (!rfStatus) { 306 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n", 307 __func__, ecode); 308 goto bad; 309 } 310 311 /* Enable fixup for AR_AN_TOP2 if necessary */ 312 /* 313 * The v14 EEPROM layer returns HAL_EIO if PWDCLKIND isn't supported 314 * by the EEPROM version. 315 * 316 * ath9k checks the EEPROM minor version is >= 0x0a here, instead of 317 * the abstracted EEPROM access layer. 318 */ 319 ecode = ath_hal_eepromGet(ah, AR_EEP_PWDCLKIND, &pwr); 320 if (AR_SREV_MERLIN_20_OR_LATER(ah) && ecode == HAL_OK && pwr == 0) { 321 printf("[ath] enabling AN_TOP2_FIXUP\n"); 322 AH5416(ah)->ah_need_an_top2_fixup = 1; 323 } 324 325 /* 326 * Check whether the power table offset isn't the default. 327 * This can occur with eeprom minor V21 or greater on Merlin. 328 */ 329 (void) ath_hal_eepromGet(ah, AR_EEP_PWR_TABLE_OFFSET, &pwr_table_offset); 330 if (pwr_table_offset != AR5416_PWR_TABLE_OFFSET_DB) 331 ath_hal_printf(ah, "[ath]: default pwr offset: %d dBm != EEPROM pwr offset: %d dBm; curves will be adjusted.\n", 332 AR5416_PWR_TABLE_OFFSET_DB, (int) pwr_table_offset); 333 334 /* XXX check for >= minor ver 17 */ 335 if (AR_SREV_MERLIN_20(ah)) { 336 /* setup rxgain table */ 337 switch (ath_hal_eepromGet(ah, AR_EEP_RXGAIN_TYPE, AH_NULL)) { 338 case AR5416_EEP_RXGAIN_13dB_BACKOFF: 339 HAL_INI_INIT(&ahp9280->ah_ini_rxgain, 340 ar9280Modes_backoff_13db_rxgain_v2, 6); 341 break; 342 case AR5416_EEP_RXGAIN_23dB_BACKOFF: 343 HAL_INI_INIT(&ahp9280->ah_ini_rxgain, 344 ar9280Modes_backoff_23db_rxgain_v2, 6); 345 break; 346 case AR5416_EEP_RXGAIN_ORIG: 347 HAL_INI_INIT(&ahp9280->ah_ini_rxgain, 348 ar9280Modes_original_rxgain_v2, 6); 349 break; 350 default: 351 HALASSERT(AH_FALSE); 352 goto bad; /* XXX ? try to continue */ 353 } 354 } 355 356 /* XXX check for >= minor ver 19 */ 357 if (AR_SREV_MERLIN_20(ah)) { 358 /* setp txgain table */ 359 switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) { 360 case AR5416_EEP_TXGAIN_HIGH_POWER: 361 HAL_INI_INIT(&ahp9280->ah_ini_txgain, 362 ar9280Modes_high_power_tx_gain_v2, 6); 363 break; 364 case AR5416_EEP_TXGAIN_ORIG: 365 HAL_INI_INIT(&ahp9280->ah_ini_txgain, 366 ar9280Modes_original_tx_gain_v2, 6); 367 break; 368 default: 369 HALASSERT(AH_FALSE); 370 goto bad; /* XXX ? try to continue */ 371 } 372 } 373 374 /* 375 * Got everything we need now to setup the capabilities. 376 */ 377 if (!ar9280FillCapabilityInfo(ah)) { 378 ecode = HAL_EEREAD; 379 goto bad; 380 } 381 382 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr); 383 if (ecode != HAL_OK) { 384 HALDEBUG(ah, HAL_DEBUG_ANY, 385 "%s: error getting mac address from EEPROM\n", __func__); 386 goto bad; 387 } 388 /* XXX How about the serial number ? */ 389 /* Read Reg Domain */ 390 AH_PRIVATE(ah)->ah_currentRD = 391 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL); 392 AH_PRIVATE(ah)->ah_currentRDext = 393 ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL); 394 395 /* 396 * ah_miscMode is populated by ar5416FillCapabilityInfo() 397 * starting from griffin. Set here to make sure that 398 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is 399 * placed into hardware. 400 */ 401 if (ahp->ah_miscMode != 0) 402 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode); 403 404 ar9280AniSetup(ah); /* Anti Noise Immunity */ 405 406 /* Setup noise floor min/max/nominal values */ 407 AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ; 408 AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ; 409 AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9280_2GHZ; 410 AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ; 411 AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ; 412 AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9280_5GHZ; 413 414 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist); 415 416 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__); 417 418 return ah; 419 bad: 420 if (ah != AH_NULL) 421 ah->ah_detach(ah); 422 if (status) 423 *status = ecode; 424 return AH_NULL; 425 } 426 427 static void 428 ar9280ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off) 429 { 430 uint32_t val; 431 432 if (AH_PRIVATE(ah)->ah_ispcie && !restore) { 433 ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0); 434 OS_DELAY(1000); 435 } 436 437 438 /* 439 * Set PCIe workaround bits 440 * 441 * NOTE: 442 * 443 * In Merlin and Kite, bit 14 in WA register (disable L1) should only 444 * be set when device enters D3 and be cleared when device comes back 445 * to D0. 446 */ 447 if (power_off) { /* Power-off */ 448 OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA); 449 450 val = OS_REG_READ(ah, AR_WA); 451 452 /* 453 * Disable bit 6 and 7 before entering D3 to prevent 454 * system hang. 455 */ 456 val &= ~(AR_WA_BIT6 | AR_WA_BIT7); 457 458 /* 459 * XXX Not sure, is specified in the reference HAL. 460 */ 461 val |= AR_WA_BIT22; 462 463 /* 464 * See above: set AR_WA_D3_L1_DISABLE when entering D3 state. 465 * 466 * XXX The reference HAL does it this way - it only sets 467 * AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT, 468 * which it (currently) isn't. So the following statement 469 * is currently a NOP. 470 */ 471 if (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE) 472 val |= AR_WA_D3_L1_DISABLE; 473 474 OS_REG_WRITE(ah, AR_WA, val); 475 } else { /* Power-on */ 476 val = AR9280_WA_DEFAULT; 477 478 /* 479 * See note above: make sure L1_DISABLE is not set. 480 */ 481 val &= (~AR_WA_D3_L1_DISABLE); 482 OS_REG_WRITE(ah, AR_WA, val); 483 484 /* set bit 19 to allow forcing of pcie core into L1 state */ 485 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA); 486 } 487 } 488 489 static void 490 ar9280DisablePCIE(struct ath_hal *ah) 491 { 492 } 493 494 static void 495 ar9280WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan) 496 { 497 u_int modesIndex, freqIndex; 498 int regWrites = 0; 499 int i; 500 const HAL_INI_ARRAY *ia; 501 502 /* Setup the indices for the next set of register array writes */ 503 /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */ 504 if (IEEE80211_IS_CHAN_2GHZ(chan)) { 505 freqIndex = 2; 506 if (IEEE80211_IS_CHAN_HT40(chan)) 507 modesIndex = 3; 508 else if (IEEE80211_IS_CHAN_108G(chan)) 509 modesIndex = 5; 510 else 511 modesIndex = 4; 512 } else { 513 freqIndex = 1; 514 if (IEEE80211_IS_CHAN_HT40(chan) || 515 IEEE80211_IS_CHAN_TURBO(chan)) 516 modesIndex = 2; 517 else 518 modesIndex = 1; 519 } 520 521 /* Set correct Baseband to analog shift setting to access analog chips. */ 522 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 523 OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC); 524 525 /* 526 * This is unwound because at the moment, there's a requirement 527 * for Merlin (and later, perhaps) to have a specific bit fixed 528 * in the AR_AN_TOP2 register before writing it. 529 */ 530 ia = &AH5212(ah)->ah_ini_modes; 531 #if 0 532 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes, 533 modesIndex, regWrites); 534 #endif 535 HALASSERT(modesIndex < ia->cols); 536 for (i = 0; i < ia->rows; i++) { 537 uint32_t reg = HAL_INI_VAL(ia, i, 0); 538 uint32_t val = HAL_INI_VAL(ia, i, modesIndex); 539 540 if (reg == AR_AN_TOP2 && AH5416(ah)->ah_need_an_top2_fixup) 541 val &= ~AR_AN_TOP2_PWDCLKIND; 542 543 OS_REG_WRITE(ah, reg, val); 544 545 /* Analog shift register delay seems needed for Merlin - PR kern/154220 */ 546 if (reg >= 0x7800 && reg < 0x7900) 547 OS_DELAY(100); 548 549 DMA_YIELD(regWrites); 550 } 551 552 if (AR_SREV_MERLIN_20_OR_LATER(ah)) { 553 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_rxgain, 554 modesIndex, regWrites); 555 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_txgain, 556 modesIndex, regWrites); 557 } 558 /* XXX Merlin 100us delay for shift registers */ 559 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common, 560 1, regWrites); 561 562 if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) { 563 /* 5GHz channels w/ Fast Clock use different modal values */ 564 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_xmodes, 565 modesIndex, regWrites); 566 } 567 } 568 569 #define AR_BASE_FREQ_2GHZ 2300 570 #define AR_BASE_FREQ_5GHZ 4900 571 #define AR_SPUR_FEEQ_BOUND_HT40 19 572 #define AR_SPUR_FEEQ_BOUND_HT20 10 573 574 void 575 ar9280SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan) 576 { 577 static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8, 578 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 }; 579 static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10, 580 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 }; 581 static int inc[4] = { 0, 100, 0, 0 }; 582 583 int bb_spur = AR_NO_SPUR; 584 int freq; 585 int bin, cur_bin; 586 int bb_spur_off, spur_subchannel_sd; 587 int spur_freq_sd; 588 int spur_delta_phase; 589 int denominator; 590 int upper, lower, cur_vit_mask; 591 int tmp, newVal; 592 int i; 593 CHAN_CENTERS centers; 594 595 int8_t mask_m[123]; 596 int8_t mask_p[123]; 597 int8_t mask_amt; 598 int tmp_mask; 599 int cur_bb_spur; 600 HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan); 601 602 OS_MEMZERO(&mask_m, sizeof(int8_t) * 123); 603 OS_MEMZERO(&mask_p, sizeof(int8_t) * 123); 604 605 ar5416GetChannelCenters(ah, chan, ¢ers); 606 freq = centers.synth_center; 607 608 /* 609 * Need to verify range +/- 9.38 for static ht20 and +/- 18.75 for ht40, 610 * otherwise spur is out-of-band and can be ignored. 611 */ 612 for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) { 613 cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz); 614 /* Get actual spur freq in MHz from EEPROM read value */ 615 if (is2GHz) { 616 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ; 617 } else { 618 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ; 619 } 620 621 if (AR_NO_SPUR == cur_bb_spur) 622 break; 623 cur_bb_spur = cur_bb_spur - freq; 624 625 if (IEEE80211_IS_CHAN_HT40(chan)) { 626 if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) && 627 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) { 628 bb_spur = cur_bb_spur; 629 break; 630 } 631 } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) && 632 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) { 633 bb_spur = cur_bb_spur; 634 break; 635 } 636 } 637 638 if (AR_NO_SPUR == bb_spur) { 639 #if 1 640 /* 641 * MRC CCK can interfere with beacon detection and cause deaf/mute. 642 * Disable MRC CCK for now. 643 */ 644 OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 645 #else 646 /* Enable MRC CCK if no spur is found in this channel. */ 647 OS_REG_SET_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 648 #endif 649 return; 650 } else { 651 /* 652 * For Merlin, spur can break CCK MRC algorithm. Disable CCK MRC if spur 653 * is found in this channel. 654 */ 655 OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 656 } 657 658 bin = bb_spur * 320; 659 660 tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0)); 661 662 newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI | 663 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER | 664 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK | 665 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK); 666 OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), newVal); 667 668 newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL | 669 AR_PHY_SPUR_REG_ENABLE_MASK_PPM | 670 AR_PHY_SPUR_REG_MASK_RATE_SELECT | 671 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI | 672 SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH)); 673 OS_REG_WRITE(ah, AR_PHY_SPUR_REG, newVal); 674 675 /* Pick control or extn channel to cancel the spur */ 676 if (IEEE80211_IS_CHAN_HT40(chan)) { 677 if (bb_spur < 0) { 678 spur_subchannel_sd = 1; 679 bb_spur_off = bb_spur + 10; 680 } else { 681 spur_subchannel_sd = 0; 682 bb_spur_off = bb_spur - 10; 683 } 684 } else { 685 spur_subchannel_sd = 0; 686 bb_spur_off = bb_spur; 687 } 688 689 /* 690 * spur_delta_phase = bb_spur/40 * 2**21 for static ht20, 691 * /80 for dyn2040. 692 */ 693 if (IEEE80211_IS_CHAN_HT40(chan)) 694 spur_delta_phase = ((bb_spur * 262144) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE; 695 else 696 spur_delta_phase = ((bb_spur * 524288) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE; 697 698 /* 699 * in 11A mode the denominator of spur_freq_sd should be 40 and 700 * it should be 44 in 11G 701 */ 702 denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 44 : 40; 703 spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff; 704 705 newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC | 706 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) | 707 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE)); 708 OS_REG_WRITE(ah, AR_PHY_TIMING11, newVal); 709 710 /* Choose to cancel between control and extension channels */ 711 newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S; 712 OS_REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal); 713 714 /* 715 * ============================================ 716 * Set Pilot and Channel Masks 717 * 718 * pilot mask 1 [31:0] = +6..-26, no 0 bin 719 * pilot mask 2 [19:0] = +26..+7 720 * 721 * channel mask 1 [31:0] = +6..-26, no 0 bin 722 * channel mask 2 [19:0] = +26..+7 723 */ 724 cur_bin = -6000; 725 upper = bin + 100; 726 lower = bin - 100; 727 728 for (i = 0; i < 4; i++) { 729 int pilot_mask = 0; 730 int chan_mask = 0; 731 int bp = 0; 732 for (bp = 0; bp < 30; bp++) { 733 if ((cur_bin > lower) && (cur_bin < upper)) { 734 pilot_mask = pilot_mask | 0x1 << bp; 735 chan_mask = chan_mask | 0x1 << bp; 736 } 737 cur_bin += 100; 738 } 739 cur_bin += inc[i]; 740 OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask); 741 OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask); 742 } 743 744 /* ================================================= 745 * viterbi mask 1 based on channel magnitude 746 * four levels 0-3 747 * - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c) 748 * [1 2 2 1] for -9.6 or [1 2 1] for +16 749 * - enable_mask_ppm, all bins move with freq 750 * 751 * - mask_select, 8 bits for rates (reg 67,0x990c) 752 * - mask_rate_cntl, 8 bits for rates (reg 67,0x990c) 753 * choose which mask to use mask or mask2 754 */ 755 756 /* 757 * viterbi mask 2 2nd set for per data rate puncturing 758 * four levels 0-3 759 * - mask_select, 8 bits for rates (reg 67) 760 * - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994) 761 * [1 2 2 1] for -9.6 or [1 2 1] for +16 762 */ 763 cur_vit_mask = 6100; 764 upper = bin + 120; 765 lower = bin - 120; 766 767 for (i = 0; i < 123; i++) { 768 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) { 769 if ((abs(cur_vit_mask - bin)) < 75) { 770 mask_amt = 1; 771 } else { 772 mask_amt = 0; 773 } 774 if (cur_vit_mask < 0) { 775 mask_m[abs(cur_vit_mask / 100)] = mask_amt; 776 } else { 777 mask_p[cur_vit_mask / 100] = mask_amt; 778 } 779 } 780 cur_vit_mask -= 100; 781 } 782 783 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28) 784 | (mask_m[48] << 26) | (mask_m[49] << 24) 785 | (mask_m[50] << 22) | (mask_m[51] << 20) 786 | (mask_m[52] << 18) | (mask_m[53] << 16) 787 | (mask_m[54] << 14) | (mask_m[55] << 12) 788 | (mask_m[56] << 10) | (mask_m[57] << 8) 789 | (mask_m[58] << 6) | (mask_m[59] << 4) 790 | (mask_m[60] << 2) | (mask_m[61] << 0); 791 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask); 792 OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask); 793 794 tmp_mask = (mask_m[31] << 28) 795 | (mask_m[32] << 26) | (mask_m[33] << 24) 796 | (mask_m[34] << 22) | (mask_m[35] << 20) 797 | (mask_m[36] << 18) | (mask_m[37] << 16) 798 | (mask_m[48] << 14) | (mask_m[39] << 12) 799 | (mask_m[40] << 10) | (mask_m[41] << 8) 800 | (mask_m[42] << 6) | (mask_m[43] << 4) 801 | (mask_m[44] << 2) | (mask_m[45] << 0); 802 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask); 803 OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask); 804 805 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28) 806 | (mask_m[18] << 26) | (mask_m[18] << 24) 807 | (mask_m[20] << 22) | (mask_m[20] << 20) 808 | (mask_m[22] << 18) | (mask_m[22] << 16) 809 | (mask_m[24] << 14) | (mask_m[24] << 12) 810 | (mask_m[25] << 10) | (mask_m[26] << 8) 811 | (mask_m[27] << 6) | (mask_m[28] << 4) 812 | (mask_m[29] << 2) | (mask_m[30] << 0); 813 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask); 814 OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask); 815 816 tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28) 817 | (mask_m[ 2] << 26) | (mask_m[ 3] << 24) 818 | (mask_m[ 4] << 22) | (mask_m[ 5] << 20) 819 | (mask_m[ 6] << 18) | (mask_m[ 7] << 16) 820 | (mask_m[ 8] << 14) | (mask_m[ 9] << 12) 821 | (mask_m[10] << 10) | (mask_m[11] << 8) 822 | (mask_m[12] << 6) | (mask_m[13] << 4) 823 | (mask_m[14] << 2) | (mask_m[15] << 0); 824 OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask); 825 OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask); 826 827 tmp_mask = (mask_p[15] << 28) 828 | (mask_p[14] << 26) | (mask_p[13] << 24) 829 | (mask_p[12] << 22) | (mask_p[11] << 20) 830 | (mask_p[10] << 18) | (mask_p[ 9] << 16) 831 | (mask_p[ 8] << 14) | (mask_p[ 7] << 12) 832 | (mask_p[ 6] << 10) | (mask_p[ 5] << 8) 833 | (mask_p[ 4] << 6) | (mask_p[ 3] << 4) 834 | (mask_p[ 2] << 2) | (mask_p[ 1] << 0); 835 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask); 836 OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask); 837 838 tmp_mask = (mask_p[30] << 28) 839 | (mask_p[29] << 26) | (mask_p[28] << 24) 840 | (mask_p[27] << 22) | (mask_p[26] << 20) 841 | (mask_p[25] << 18) | (mask_p[24] << 16) 842 | (mask_p[23] << 14) | (mask_p[22] << 12) 843 | (mask_p[21] << 10) | (mask_p[20] << 8) 844 | (mask_p[19] << 6) | (mask_p[18] << 4) 845 | (mask_p[17] << 2) | (mask_p[16] << 0); 846 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask); 847 OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask); 848 849 tmp_mask = (mask_p[45] << 28) 850 | (mask_p[44] << 26) | (mask_p[43] << 24) 851 | (mask_p[42] << 22) | (mask_p[41] << 20) 852 | (mask_p[40] << 18) | (mask_p[39] << 16) 853 | (mask_p[38] << 14) | (mask_p[37] << 12) 854 | (mask_p[36] << 10) | (mask_p[35] << 8) 855 | (mask_p[34] << 6) | (mask_p[33] << 4) 856 | (mask_p[32] << 2) | (mask_p[31] << 0); 857 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask); 858 OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask); 859 860 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28) 861 | (mask_p[59] << 26) | (mask_p[58] << 24) 862 | (mask_p[57] << 22) | (mask_p[56] << 20) 863 | (mask_p[55] << 18) | (mask_p[54] << 16) 864 | (mask_p[53] << 14) | (mask_p[52] << 12) 865 | (mask_p[51] << 10) | (mask_p[50] << 8) 866 | (mask_p[49] << 6) | (mask_p[48] << 4) 867 | (mask_p[47] << 2) | (mask_p[46] << 0); 868 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask); 869 OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); 870 } 871 872 /* 873 * Fill all software cached or static hardware state information. 874 * Return failure if capabilities are to come from EEPROM and 875 * cannot be read. 876 */ 877 static HAL_BOOL 878 ar9280FillCapabilityInfo(struct ath_hal *ah) 879 { 880 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps; 881 882 if (!ar5416FillCapabilityInfo(ah)) 883 return AH_FALSE; 884 pCap->halNumGpioPins = 10; 885 pCap->halWowSupport = AH_TRUE; 886 pCap->halWowMatchPatternExact = AH_TRUE; 887 #if 0 888 pCap->halWowMatchPatternDword = AH_TRUE; 889 #endif 890 pCap->halCSTSupport = AH_TRUE; 891 pCap->halRifsRxSupport = AH_TRUE; 892 pCap->halRifsTxSupport = AH_TRUE; 893 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */ 894 pCap->halExtChanDfsSupport = AH_TRUE; 895 pCap->halUseCombinedRadarRssi = AH_TRUE; 896 #if 0 897 /* XXX bluetooth */ 898 pCap->halBtCoexSupport = AH_TRUE; 899 #endif 900 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */ 901 pCap->hal4kbSplitTransSupport = AH_FALSE; 902 /* Disable this so Block-ACK works correctly */ 903 pCap->halHasRxSelfLinkedTail = AH_FALSE; 904 pCap->halMbssidAggrSupport = AH_TRUE; 905 pCap->hal4AddrAggrSupport = AH_TRUE; 906 pCap->halSpectralScanSupport = AH_TRUE; 907 908 if (AR_SREV_MERLIN_20(ah)) { 909 pCap->halPSPollBroken = AH_FALSE; 910 /* 911 * This just enables the support; it doesn't 912 * state 5ghz fast clock will always be used. 913 */ 914 pCap->halSupportsFastClock5GHz = AH_TRUE; 915 } 916 pCap->halRxStbcSupport = 1; 917 pCap->halTxStbcSupport = 1; 918 pCap->halEnhancedDfsSupport = AH_TRUE; 919 920 return AH_TRUE; 921 } 922 923 /* 924 * This has been disabled - having the HAL flip chainmasks on/off 925 * when attempting to implement 11n disrupts things. For now, just 926 * leave this flipped off and worry about implementing TX diversity 927 * for legacy and MCS0-7 when 11n is fully functioning. 928 */ 929 HAL_BOOL 930 ar9280SetAntennaSwitch(struct ath_hal *ah, HAL_ANT_SETTING settings) 931 { 932 #define ANTENNA0_CHAINMASK 0x1 933 #define ANTENNA1_CHAINMASK 0x2 934 #if 0 935 struct ath_hal_5416 *ahp = AH5416(ah); 936 937 /* Antenna selection is done by setting the tx/rx chainmasks approp. */ 938 switch (settings) { 939 case HAL_ANT_FIXED_A: 940 /* Enable first antenna only */ 941 ahp->ah_tx_chainmask = ANTENNA0_CHAINMASK; 942 ahp->ah_rx_chainmask = ANTENNA0_CHAINMASK; 943 break; 944 case HAL_ANT_FIXED_B: 945 /* Enable second antenna only, after checking capability */ 946 if (AH_PRIVATE(ah)->ah_caps.halTxChainMask > ANTENNA1_CHAINMASK) 947 ahp->ah_tx_chainmask = ANTENNA1_CHAINMASK; 948 ahp->ah_rx_chainmask = ANTENNA1_CHAINMASK; 949 break; 950 case HAL_ANT_VARIABLE: 951 /* Restore original chainmask settings */ 952 /* XXX */ 953 ahp->ah_tx_chainmask = AR9280_DEFAULT_TXCHAINMASK; 954 ahp->ah_rx_chainmask = AR9280_DEFAULT_RXCHAINMASK; 955 break; 956 } 957 958 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: settings=%d, tx/rx chainmask=%d/%d\n", 959 __func__, settings, ahp->ah_tx_chainmask, ahp->ah_rx_chainmask); 960 961 #endif 962 return AH_TRUE; 963 #undef ANTENNA0_CHAINMASK 964 #undef ANTENNA1_CHAINMASK 965 } 966 967 static const char* 968 ar9280Probe(uint16_t vendorid, uint16_t devid) 969 { 970 if (vendorid == ATHEROS_VENDOR_ID) { 971 if (devid == AR9280_DEVID_PCI) 972 return "Atheros 9220"; 973 if (devid == AR9280_DEVID_PCIE) 974 return "Atheros 9280"; 975 } 976 return AH_NULL; 977 } 978 AH_CHIP(AR9280, ar9280Probe, ar9280Attach); 979