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sys/dev/ath/ath_hal/ar9002/ar9280_attach.c
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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, HAL_RESET_NORMAL)) { /* 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 * Set PCIe workaround bits 439 * 440 * NOTE: 441 * 442 * In Merlin and Kite, bit 14 in WA register (disable L1) should only 443 * be set when device enters D3 and be cleared when device comes back 444 * to D0. 445 */ 446 if (power_off) { /* Power-off */ 447 OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA); 448 449 val = OS_REG_READ(ah, AR_WA); 450 451 /* 452 * Disable bit 6 and 7 before entering D3 to prevent 453 * system hang. 454 */ 455 val &= ~(AR_WA_BIT6 | AR_WA_BIT7); 456 457 /* 458 * XXX Not sure, is specified in the reference HAL. 459 */ 460 val |= AR_WA_BIT22; 461 462 /* 463 * See above: set AR_WA_D3_L1_DISABLE when entering D3 state. 464 * 465 * XXX The reference HAL does it this way - it only sets 466 * AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT, 467 * which it (currently) isn't. So the following statement 468 * is currently a NOP. 469 */ 470 if (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE) 471 val |= AR_WA_D3_L1_DISABLE; 472 473 OS_REG_WRITE(ah, AR_WA, val); 474 } else { /* Power-on */ 475 val = AR9280_WA_DEFAULT; 476 477 /* 478 * See note above: make sure L1_DISABLE is not set. 479 */ 480 val &= (~AR_WA_D3_L1_DISABLE); 481 OS_REG_WRITE(ah, AR_WA, val); 482 483 /* set bit 19 to allow forcing of pcie core into L1 state */ 484 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA); 485 } 486 } 487 488 static void 489 ar9280DisablePCIE(struct ath_hal *ah) 490 { 491 } 492 493 static void 494 ar9280WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan) 495 { 496 u_int modesIndex, freqIndex; 497 int regWrites = 0; 498 int i; 499 const HAL_INI_ARRAY *ia; 500 501 /* Setup the indices for the next set of register array writes */ 502 /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */ 503 if (IEEE80211_IS_CHAN_2GHZ(chan)) { 504 freqIndex = 2; 505 if (IEEE80211_IS_CHAN_HT40(chan)) 506 modesIndex = 3; 507 else if (IEEE80211_IS_CHAN_108G(chan)) 508 modesIndex = 5; 509 else 510 modesIndex = 4; 511 } else { 512 freqIndex = 1; 513 if (IEEE80211_IS_CHAN_HT40(chan) || 514 IEEE80211_IS_CHAN_TURBO(chan)) 515 modesIndex = 2; 516 else 517 modesIndex = 1; 518 } 519 520 /* Set correct Baseband to analog shift setting to access analog chips. */ 521 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 522 OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC); 523 524 /* 525 * This is unwound because at the moment, there's a requirement 526 * for Merlin (and later, perhaps) to have a specific bit fixed 527 * in the AR_AN_TOP2 register before writing it. 528 */ 529 ia = &AH5212(ah)->ah_ini_modes; 530 #if 0 531 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes, 532 modesIndex, regWrites); 533 #endif 534 HALASSERT(modesIndex < ia->cols); 535 for (i = 0; i < ia->rows; i++) { 536 uint32_t reg = HAL_INI_VAL(ia, i, 0); 537 uint32_t val = HAL_INI_VAL(ia, i, modesIndex); 538 539 if (reg == AR_AN_TOP2 && AH5416(ah)->ah_need_an_top2_fixup) 540 val &= ~AR_AN_TOP2_PWDCLKIND; 541 542 OS_REG_WRITE(ah, reg, val); 543 544 /* Analog shift register delay seems needed for Merlin - PR kern/154220 */ 545 if (reg >= 0x7800 && reg < 0x7900) 546 OS_DELAY(100); 547 548 DMA_YIELD(regWrites); 549 } 550 551 if (AR_SREV_MERLIN_20_OR_LATER(ah)) { 552 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_rxgain, 553 modesIndex, regWrites); 554 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_txgain, 555 modesIndex, regWrites); 556 } 557 /* XXX Merlin 100us delay for shift registers */ 558 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common, 559 1, regWrites); 560 561 if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) { 562 /* 5GHz channels w/ Fast Clock use different modal values */ 563 regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_xmodes, 564 modesIndex, regWrites); 565 } 566 } 567 568 #define AR_BASE_FREQ_2GHZ 2300 569 #define AR_BASE_FREQ_5GHZ 4900 570 #define AR_SPUR_FEEQ_BOUND_HT40 19 571 #define AR_SPUR_FEEQ_BOUND_HT20 10 572 573 void 574 ar9280SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan) 575 { 576 static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8, 577 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 }; 578 static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10, 579 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 }; 580 static int inc[4] = { 0, 100, 0, 0 }; 581 582 int bb_spur = AR_NO_SPUR; 583 int freq; 584 int bin, cur_bin; 585 int bb_spur_off, spur_subchannel_sd; 586 int spur_freq_sd; 587 int spur_delta_phase; 588 int denominator; 589 int upper, lower, cur_vit_mask; 590 int tmp, newVal; 591 int i; 592 CHAN_CENTERS centers; 593 594 int8_t mask_m[123]; 595 int8_t mask_p[123]; 596 int8_t mask_amt; 597 int tmp_mask; 598 int cur_bb_spur; 599 HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan); 600 601 OS_MEMZERO(&mask_m, sizeof(int8_t) * 123); 602 OS_MEMZERO(&mask_p, sizeof(int8_t) * 123); 603 604 ar5416GetChannelCenters(ah, chan, ¢ers); 605 freq = centers.synth_center; 606 607 /* 608 * Need to verify range +/- 9.38 for static ht20 and +/- 18.75 for ht40, 609 * otherwise spur is out-of-band and can be ignored. 610 */ 611 for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) { 612 cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz); 613 /* Get actual spur freq in MHz from EEPROM read value */ 614 if (is2GHz) { 615 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ; 616 } else { 617 cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ; 618 } 619 620 if (AR_NO_SPUR == cur_bb_spur) 621 break; 622 cur_bb_spur = cur_bb_spur - freq; 623 624 if (IEEE80211_IS_CHAN_HT40(chan)) { 625 if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) && 626 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) { 627 bb_spur = cur_bb_spur; 628 break; 629 } 630 } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) && 631 (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) { 632 bb_spur = cur_bb_spur; 633 break; 634 } 635 } 636 637 if (AR_NO_SPUR == bb_spur) { 638 #if 1 639 /* 640 * MRC CCK can interfere with beacon detection and cause deaf/mute. 641 * Disable MRC CCK for now. 642 */ 643 OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 644 #else 645 /* Enable MRC CCK if no spur is found in this channel. */ 646 OS_REG_SET_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 647 #endif 648 return; 649 } else { 650 /* 651 * For Merlin, spur can break CCK MRC algorithm. Disable CCK MRC if spur 652 * is found in this channel. 653 */ 654 OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX); 655 } 656 657 bin = bb_spur * 320; 658 659 tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0)); 660 661 newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI | 662 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER | 663 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK | 664 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK); 665 OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), newVal); 666 667 newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL | 668 AR_PHY_SPUR_REG_ENABLE_MASK_PPM | 669 AR_PHY_SPUR_REG_MASK_RATE_SELECT | 670 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI | 671 SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH)); 672 OS_REG_WRITE(ah, AR_PHY_SPUR_REG, newVal); 673 674 /* Pick control or extn channel to cancel the spur */ 675 if (IEEE80211_IS_CHAN_HT40(chan)) { 676 if (bb_spur < 0) { 677 spur_subchannel_sd = 1; 678 bb_spur_off = bb_spur + 10; 679 } else { 680 spur_subchannel_sd = 0; 681 bb_spur_off = bb_spur - 10; 682 } 683 } else { 684 spur_subchannel_sd = 0; 685 bb_spur_off = bb_spur; 686 } 687 688 /* 689 * spur_delta_phase = bb_spur/40 * 2**21 for static ht20, 690 * /80 for dyn2040. 691 */ 692 if (IEEE80211_IS_CHAN_HT40(chan)) 693 spur_delta_phase = ((bb_spur * 262144) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE; 694 else 695 spur_delta_phase = ((bb_spur * 524288) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE; 696 697 /* 698 * in 11A mode the denominator of spur_freq_sd should be 40 and 699 * it should be 44 in 11G 700 */ 701 denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 44 : 40; 702 spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff; 703 704 newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC | 705 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) | 706 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE)); 707 OS_REG_WRITE(ah, AR_PHY_TIMING11, newVal); 708 709 /* Choose to cancel between control and extension channels */ 710 newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S; 711 OS_REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal); 712 713 /* 714 * ============================================ 715 * Set Pilot and Channel Masks 716 * 717 * pilot mask 1 [31:0] = +6..-26, no 0 bin 718 * pilot mask 2 [19:0] = +26..+7 719 * 720 * channel mask 1 [31:0] = +6..-26, no 0 bin 721 * channel mask 2 [19:0] = +26..+7 722 */ 723 cur_bin = -6000; 724 upper = bin + 100; 725 lower = bin - 100; 726 727 for (i = 0; i < 4; i++) { 728 int pilot_mask = 0; 729 int chan_mask = 0; 730 int bp = 0; 731 for (bp = 0; bp < 30; bp++) { 732 if ((cur_bin > lower) && (cur_bin < upper)) { 733 pilot_mask = pilot_mask | 0x1 << bp; 734 chan_mask = chan_mask | 0x1 << bp; 735 } 736 cur_bin += 100; 737 } 738 cur_bin += inc[i]; 739 OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask); 740 OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask); 741 } 742 743 /* ================================================= 744 * viterbi mask 1 based on channel magnitude 745 * four levels 0-3 746 * - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c) 747 * [1 2 2 1] for -9.6 or [1 2 1] for +16 748 * - enable_mask_ppm, all bins move with freq 749 * 750 * - mask_select, 8 bits for rates (reg 67,0x990c) 751 * - mask_rate_cntl, 8 bits for rates (reg 67,0x990c) 752 * choose which mask to use mask or mask2 753 */ 754 755 /* 756 * viterbi mask 2 2nd set for per data rate puncturing 757 * four levels 0-3 758 * - mask_select, 8 bits for rates (reg 67) 759 * - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994) 760 * [1 2 2 1] for -9.6 or [1 2 1] for +16 761 */ 762 cur_vit_mask = 6100; 763 upper = bin + 120; 764 lower = bin - 120; 765 766 for (i = 0; i < 123; i++) { 767 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) { 768 if ((abs(cur_vit_mask - bin)) < 75) { 769 mask_amt = 1; 770 } else { 771 mask_amt = 0; 772 } 773 if (cur_vit_mask < 0) { 774 mask_m[abs(cur_vit_mask / 100)] = mask_amt; 775 } else { 776 mask_p[cur_vit_mask / 100] = mask_amt; 777 } 778 } 779 cur_vit_mask -= 100; 780 } 781 782 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28) 783 | (mask_m[48] << 26) | (mask_m[49] << 24) 784 | (mask_m[50] << 22) | (mask_m[51] << 20) 785 | (mask_m[52] << 18) | (mask_m[53] << 16) 786 | (mask_m[54] << 14) | (mask_m[55] << 12) 787 | (mask_m[56] << 10) | (mask_m[57] << 8) 788 | (mask_m[58] << 6) | (mask_m[59] << 4) 789 | (mask_m[60] << 2) | (mask_m[61] << 0); 790 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask); 791 OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask); 792 793 tmp_mask = (mask_m[31] << 28) 794 | (mask_m[32] << 26) | (mask_m[33] << 24) 795 | (mask_m[34] << 22) | (mask_m[35] << 20) 796 | (mask_m[36] << 18) | (mask_m[37] << 16) 797 | (mask_m[48] << 14) | (mask_m[39] << 12) 798 | (mask_m[40] << 10) | (mask_m[41] << 8) 799 | (mask_m[42] << 6) | (mask_m[43] << 4) 800 | (mask_m[44] << 2) | (mask_m[45] << 0); 801 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask); 802 OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask); 803 804 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28) 805 | (mask_m[18] << 26) | (mask_m[18] << 24) 806 | (mask_m[20] << 22) | (mask_m[20] << 20) 807 | (mask_m[22] << 18) | (mask_m[22] << 16) 808 | (mask_m[24] << 14) | (mask_m[24] << 12) 809 | (mask_m[25] << 10) | (mask_m[26] << 8) 810 | (mask_m[27] << 6) | (mask_m[28] << 4) 811 | (mask_m[29] << 2) | (mask_m[30] << 0); 812 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask); 813 OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask); 814 815 tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28) 816 | (mask_m[ 2] << 26) | (mask_m[ 3] << 24) 817 | (mask_m[ 4] << 22) | (mask_m[ 5] << 20) 818 | (mask_m[ 6] << 18) | (mask_m[ 7] << 16) 819 | (mask_m[ 8] << 14) | (mask_m[ 9] << 12) 820 | (mask_m[10] << 10) | (mask_m[11] << 8) 821 | (mask_m[12] << 6) | (mask_m[13] << 4) 822 | (mask_m[14] << 2) | (mask_m[15] << 0); 823 OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask); 824 OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask); 825 826 tmp_mask = (mask_p[15] << 28) 827 | (mask_p[14] << 26) | (mask_p[13] << 24) 828 | (mask_p[12] << 22) | (mask_p[11] << 20) 829 | (mask_p[10] << 18) | (mask_p[ 9] << 16) 830 | (mask_p[ 8] << 14) | (mask_p[ 7] << 12) 831 | (mask_p[ 6] << 10) | (mask_p[ 5] << 8) 832 | (mask_p[ 4] << 6) | (mask_p[ 3] << 4) 833 | (mask_p[ 2] << 2) | (mask_p[ 1] << 0); 834 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask); 835 OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask); 836 837 tmp_mask = (mask_p[30] << 28) 838 | (mask_p[29] << 26) | (mask_p[28] << 24) 839 | (mask_p[27] << 22) | (mask_p[26] << 20) 840 | (mask_p[25] << 18) | (mask_p[24] << 16) 841 | (mask_p[23] << 14) | (mask_p[22] << 12) 842 | (mask_p[21] << 10) | (mask_p[20] << 8) 843 | (mask_p[19] << 6) | (mask_p[18] << 4) 844 | (mask_p[17] << 2) | (mask_p[16] << 0); 845 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask); 846 OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask); 847 848 tmp_mask = (mask_p[45] << 28) 849 | (mask_p[44] << 26) | (mask_p[43] << 24) 850 | (mask_p[42] << 22) | (mask_p[41] << 20) 851 | (mask_p[40] << 18) | (mask_p[39] << 16) 852 | (mask_p[38] << 14) | (mask_p[37] << 12) 853 | (mask_p[36] << 10) | (mask_p[35] << 8) 854 | (mask_p[34] << 6) | (mask_p[33] << 4) 855 | (mask_p[32] << 2) | (mask_p[31] << 0); 856 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask); 857 OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask); 858 859 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28) 860 | (mask_p[59] << 26) | (mask_p[58] << 24) 861 | (mask_p[57] << 22) | (mask_p[56] << 20) 862 | (mask_p[55] << 18) | (mask_p[54] << 16) 863 | (mask_p[53] << 14) | (mask_p[52] << 12) 864 | (mask_p[51] << 10) | (mask_p[50] << 8) 865 | (mask_p[49] << 6) | (mask_p[48] << 4) 866 | (mask_p[47] << 2) | (mask_p[46] << 0); 867 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask); 868 OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); 869 } 870 871 /* 872 * Fill all software cached or static hardware state information. 873 * Return failure if capabilities are to come from EEPROM and 874 * cannot be read. 875 */ 876 static HAL_BOOL 877 ar9280FillCapabilityInfo(struct ath_hal *ah) 878 { 879 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps; 880 881 if (!ar5416FillCapabilityInfo(ah)) 882 return AH_FALSE; 883 pCap->halNumGpioPins = 10; 884 pCap->halWowSupport = AH_TRUE; 885 pCap->halWowMatchPatternExact = AH_TRUE; 886 #if 0 887 pCap->halWowMatchPatternDword = AH_TRUE; 888 #endif 889 pCap->halCSTSupport = AH_TRUE; 890 pCap->halRifsRxSupport = AH_TRUE; 891 pCap->halRifsTxSupport = AH_TRUE; 892 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */ 893 pCap->halExtChanDfsSupport = AH_TRUE; 894 pCap->halUseCombinedRadarRssi = AH_TRUE; 895 #if 0 896 /* XXX bluetooth */ 897 pCap->halBtCoexSupport = AH_TRUE; 898 #endif 899 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */ 900 pCap->hal4kbSplitTransSupport = AH_FALSE; 901 /* Disable this so Block-ACK works correctly */ 902 pCap->halHasRxSelfLinkedTail = AH_FALSE; 903 pCap->halMbssidAggrSupport = AH_TRUE; 904 pCap->hal4AddrAggrSupport = AH_TRUE; 905 pCap->halSpectralScanSupport = AH_TRUE; 906 907 if (AR_SREV_MERLIN_20(ah)) { 908 pCap->halPSPollBroken = AH_FALSE; 909 /* 910 * This just enables the support; it doesn't 911 * state 5ghz fast clock will always be used. 912 */ 913 pCap->halSupportsFastClock5GHz = AH_TRUE; 914 } 915 pCap->halRxStbcSupport = 1; 916 pCap->halTxStbcSupport = 1; 917 pCap->halEnhancedDfsSupport = AH_TRUE; 918 919 return AH_TRUE; 920 } 921 922 /* 923 * This has been disabled - having the HAL flip chainmasks on/off 924 * when attempting to implement 11n disrupts things. For now, just 925 * leave this flipped off and worry about implementing TX diversity 926 * for legacy and MCS0-7 when 11n is fully functioning. 927 */ 928 HAL_BOOL 929 ar9280SetAntennaSwitch(struct ath_hal *ah, HAL_ANT_SETTING settings) 930 { 931 #define ANTENNA0_CHAINMASK 0x1 932 #define ANTENNA1_CHAINMASK 0x2 933 #if 0 934 struct ath_hal_5416 *ahp = AH5416(ah); 935 936 /* Antenna selection is done by setting the tx/rx chainmasks approp. */ 937 switch (settings) { 938 case HAL_ANT_FIXED_A: 939 /* Enable first antenna only */ 940 ahp->ah_tx_chainmask = ANTENNA0_CHAINMASK; 941 ahp->ah_rx_chainmask = ANTENNA0_CHAINMASK; 942 break; 943 case HAL_ANT_FIXED_B: 944 /* Enable second antenna only, after checking capability */ 945 if (AH_PRIVATE(ah)->ah_caps.halTxChainMask > ANTENNA1_CHAINMASK) 946 ahp->ah_tx_chainmask = ANTENNA1_CHAINMASK; 947 ahp->ah_rx_chainmask = ANTENNA1_CHAINMASK; 948 break; 949 case HAL_ANT_VARIABLE: 950 /* Restore original chainmask settings */ 951 /* XXX */ 952 ahp->ah_tx_chainmask = AR9280_DEFAULT_TXCHAINMASK; 953 ahp->ah_rx_chainmask = AR9280_DEFAULT_RXCHAINMASK; 954 break; 955 } 956 957 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: settings=%d, tx/rx chainmask=%d/%d\n", 958 __func__, settings, ahp->ah_tx_chainmask, ahp->ah_rx_chainmask); 959 960 #endif 961 return AH_TRUE; 962 #undef ANTENNA0_CHAINMASK 963 #undef ANTENNA1_CHAINMASK 964 } 965 966 static const char* 967 ar9280Probe(uint16_t vendorid, uint16_t devid) 968 { 969 if (vendorid == ATHEROS_VENDOR_ID) { 970 if (devid == AR9280_DEVID_PCI) 971 return "Atheros 9220"; 972 if (devid == AR9280_DEVID_PCIE) 973 return "Atheros 9280"; 974 } 975 return AH_NULL; 976 } 977 AH_CHIP(AR9280, ar9280Probe, ar9280Attach);
Cache object: f3471bb49a6c10cc2ab309d6fcba5374
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