1 /* 2 * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $FreeBSD: src/sys/dev/ath/ath_hal/ar5416/ar9285_attach.c,v 1.5 2010/06/01 15:33:10 rpaulo Exp $ 18 */ 19 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 #include "ah_devid.h" 24 25 #include "ah_eeprom_v4k.h" /* XXX for tx/rx gain */ 26 27 #include "ar5416/ar9280.h" 28 #include "ar5416/ar9285.h" 29 #include "ar5416/ar5416reg.h" 30 #include "ar5416/ar5416phy.h" 31 32 #include "ar5416/ar9285.ini" 33 #include "ar5416/ar9285v2.ini" 34 #include "ar5416/ar9280v2.ini" /* XXX ini for tx/rx gain */ 35 36 static const HAL_PERCAL_DATA ar9280_iq_cal = { /* single sample */ 37 .calName = "IQ", .calType = IQ_MISMATCH_CAL, 38 .calNumSamples = MIN_CAL_SAMPLES, 39 .calCountMax = PER_MAX_LOG_COUNT, 40 .calCollect = ar5416IQCalCollect, 41 .calPostProc = ar5416IQCalibration 42 }; 43 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = { /* single sample */ 44 .calName = "ADC Gain", .calType = ADC_GAIN_CAL, 45 .calNumSamples = MIN_CAL_SAMPLES, 46 .calCountMax = PER_MIN_LOG_COUNT, 47 .calCollect = ar5416AdcGainCalCollect, 48 .calPostProc = ar5416AdcGainCalibration 49 }; 50 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = { /* single sample */ 51 .calName = "ADC DC", .calType = ADC_DC_CAL, 52 .calNumSamples = MIN_CAL_SAMPLES, 53 .calCountMax = PER_MIN_LOG_COUNT, 54 .calCollect = ar5416AdcDcCalCollect, 55 .calPostProc = ar5416AdcDcCalibration 56 }; 57 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = { 58 .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL, 59 .calNumSamples = MIN_CAL_SAMPLES, 60 .calCountMax = INIT_LOG_COUNT, 61 .calCollect = ar5416AdcDcCalCollect, 62 .calPostProc = ar5416AdcDcCalibration 63 }; 64 65 static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore); 66 static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah); 67 static void ar9285WriteIni(struct ath_hal *ah, 68 HAL_CHANNEL_INTERNAL *chan); 69 70 static void 71 ar9285AniSetup(struct ath_hal *ah) 72 { 73 /* NB: disable ANI for reliable RIFS rx */ 74 ar5212AniAttach(ah, AH_NULL, AH_NULL, AH_FALSE); 75 } 76 77 /* 78 * Attach for an AR9285 part. 79 */ 80 static struct ath_hal * 81 ar9285Attach(uint16_t devid, HAL_SOFTC sc, 82 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status) 83 { 84 struct ath_hal_9285 *ahp9285; 85 struct ath_hal_5212 *ahp; 86 struct ath_hal *ah; 87 uint32_t val; 88 HAL_STATUS ecode; 89 HAL_BOOL rfStatus; 90 91 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n", 92 __func__, sc, (void*) st, (void*) sh); 93 94 /* NB: memory is returned zero'd */ 95 ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285)); 96 if (ahp9285 == AH_NULL) { 97 HALDEBUG(AH_NULL, HAL_DEBUG_ANY, 98 "%s: cannot allocate memory for state block\n", __func__); 99 *status = HAL_ENOMEM; 100 return AH_NULL; 101 } 102 ahp = AH5212(ahp9285); 103 ah = &ahp->ah_priv.h; 104 105 ar5416InitState(AH5416(ah), devid, sc, st, sh, status); 106 107 /* XXX override with 9285 specific state */ 108 /* override 5416 methods for our needs */ 109 ah->ah_setAntennaSwitch = ar9285SetAntennaSwitch; 110 ah->ah_configPCIE = ar9285ConfigPCIE; 111 ah->ah_setTxPower = ar9285SetTransmitPower; 112 ah->ah_setBoardValues = ar9285SetBoardValues; 113 114 AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal; 115 AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal; 116 AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal; 117 AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal; 118 AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL; 119 120 AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate; 121 AH5416(ah)->ah_writeIni = ar9285WriteIni; 122 AH5416(ah)->ah_rx_chainmask = AR9285_DEFAULT_RXCHAINMASK; 123 AH5416(ah)->ah_tx_chainmask = AR9285_DEFAULT_TXCHAINMASK; 124 125 ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD >> 1; 126 127 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) { 128 /* reset chip */ 129 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", 130 __func__); 131 ecode = HAL_EIO; 132 goto bad; 133 } 134 135 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) { 136 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", 137 __func__); 138 ecode = HAL_EIO; 139 goto bad; 140 } 141 /* Read Revisions from Chips before taking out of reset */ 142 val = OS_REG_READ(ah, AR_SREV); 143 HALDEBUG(ah, HAL_DEBUG_ATTACH, 144 "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n", 145 __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION), 146 MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION)); 147 /* NB: include chip type to differentiate from pre-Sowl versions */ 148 AH_PRIVATE(ah)->ah_macVersion = 149 (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S; 150 AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION); 151 AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0; 152 153 /* setup common ini data; rf backends handle remainder */ 154 if (AR_SREV_KITE_12_OR_LATER(ah)) { 155 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6); 156 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2); 157 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, 158 ar9285PciePhy_clkreq_always_on_L1_v2, 2); 159 } else { 160 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6); 161 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2); 162 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, 163 ar9285PciePhy_clkreq_always_on_L1, 2); 164 } 165 ar5416AttachPCIE(ah); 166 167 ecode = ath_hal_v4kEepromAttach(ah); 168 if (ecode != HAL_OK) 169 goto bad; 170 171 if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */ 172 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", 173 __func__); 174 ecode = HAL_EIO; 175 goto bad; 176 } 177 178 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID); 179 180 if (!ar5212ChipTest(ah)) { 181 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n", 182 __func__); 183 ecode = HAL_ESELFTEST; 184 goto bad; 185 } 186 187 /* 188 * Set correct Baseband to analog shift 189 * setting to access analog chips. 190 */ 191 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 192 193 /* Read Radio Chip Rev Extract */ 194 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah); 195 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) { 196 case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */ 197 case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */ 198 break; 199 default: 200 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) { 201 AH_PRIVATE(ah)->ah_analog5GhzRev = 202 AR_RAD5133_SREV_MAJOR; 203 break; 204 } 205 #ifdef AH_DEBUG 206 HALDEBUG(ah, HAL_DEBUG_ANY, 207 "%s: 5G Radio Chip Rev 0x%02X is not supported by " 208 "this driver\n", __func__, 209 AH_PRIVATE(ah)->ah_analog5GhzRev); 210 ecode = HAL_ENOTSUPP; 211 goto bad; 212 #endif 213 } 214 rfStatus = ar9285RfAttach(ah, &ecode); 215 if (!rfStatus) { 216 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n", 217 __func__, ecode); 218 goto bad; 219 } 220 221 HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2, 222 6); 223 /* setup txgain table */ 224 switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) { 225 case AR5416_EEP_TXGAIN_HIGH_POWER: 226 HAL_INI_INIT(&ahp9285->ah_ini_txgain, 227 ar9285Modes_high_power_tx_gain_v2, 6); 228 break; 229 case AR5416_EEP_TXGAIN_ORIG: 230 HAL_INI_INIT(&ahp9285->ah_ini_txgain, 231 ar9285Modes_original_tx_gain_v2, 6); 232 break; 233 default: 234 HALASSERT(AH_FALSE); 235 goto bad; /* XXX ? try to continue */ 236 } 237 238 /* 239 * Got everything we need now to setup the capabilities. 240 */ 241 if (!ar9285FillCapabilityInfo(ah)) { 242 ecode = HAL_EEREAD; 243 goto bad; 244 } 245 246 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr); 247 if (ecode != HAL_OK) { 248 HALDEBUG(ah, HAL_DEBUG_ANY, 249 "%s: error getting mac address from EEPROM\n", __func__); 250 goto bad; 251 } 252 /* XXX How about the serial number ? */ 253 /* Read Reg Domain */ 254 AH_PRIVATE(ah)->ah_currentRD = 255 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL); 256 257 /* 258 * ah_miscMode is populated by ar5416FillCapabilityInfo() 259 * starting from griffin. Set here to make sure that 260 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is 261 * placed into hardware. 262 */ 263 if (ahp->ah_miscMode != 0) 264 OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode); 265 266 ar9285AniSetup(ah); /* Anti Noise Immunity */ 267 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist); 268 269 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__); 270 271 return ah; 272 bad: 273 if (ah != AH_NULL) 274 ah->ah_detach(ah); 275 if (status) 276 *status = ecode; 277 return AH_NULL; 278 } 279 280 static void 281 ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore) 282 { 283 if (AH_PRIVATE(ah)->ah_ispcie && !restore) { 284 ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0); 285 OS_DELAY(1000); 286 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA); 287 OS_REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT); 288 } 289 } 290 291 static void 292 ar9285WriteIni(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 293 { 294 u_int modesIndex, freqIndex; 295 int regWrites = 0; 296 297 /* Setup the indices for the next set of register array writes */ 298 /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */ 299 freqIndex = 2; 300 if (IS_CHAN_HT40(chan)) 301 modesIndex = 3; 302 else if (IS_CHAN_108G(chan)) 303 modesIndex = 5; 304 else 305 modesIndex = 4; 306 307 /* Set correct Baseband to analog shift setting to access analog chips. */ 308 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 309 OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC); 310 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes, 311 modesIndex, regWrites); 312 if (AR_SREV_KITE_12_OR_LATER(ah)) { 313 regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain, 314 modesIndex, regWrites); 315 } 316 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common, 317 1, regWrites); 318 319 OS_REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); 320 321 if (AR_SREV_MERLIN_10_OR_LATER(ah)) { 322 uint32_t val; 323 val = OS_REG_READ(ah, AR_PCU_MISC_MODE2) & 324 (~AR_PCU_MISC_MODE2_HWWAR1); 325 OS_REG_WRITE(ah, AR_PCU_MISC_MODE2, val); 326 OS_REG_WRITE(ah, 0x9800 + (651 << 2), 0x11); 327 } 328 329 } 330 331 /* 332 * Fill all software cached or static hardware state information. 333 * Return failure if capabilities are to come from EEPROM and 334 * cannot be read. 335 */ 336 static HAL_BOOL 337 ar9285FillCapabilityInfo(struct ath_hal *ah) 338 { 339 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps; 340 341 if (!ar5416FillCapabilityInfo(ah)) 342 return AH_FALSE; 343 pCap->halNumGpioPins = 12; 344 pCap->halWowSupport = AH_TRUE; 345 pCap->halWowMatchPatternExact = AH_TRUE; 346 #if 0 347 pCap->halWowMatchPatternDword = AH_TRUE; 348 #endif 349 pCap->halCSTSupport = AH_TRUE; 350 pCap->halRifsRxSupport = AH_TRUE; 351 pCap->halRifsTxSupport = AH_TRUE; 352 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */ 353 pCap->halExtChanDfsSupport = AH_TRUE; 354 #if 0 355 /* XXX bluetooth */ 356 pCap->halBtCoexSupport = AH_TRUE; 357 #endif 358 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */ 359 #if 0 360 pCap->hal4kbSplitTransSupport = AH_FALSE; 361 #endif 362 pCap->halRxStbcSupport = 1; 363 pCap->halTxStbcSupport = 1; 364 365 return AH_TRUE; 366 } 367 368 HAL_BOOL 369 ar9285SetAntennaSwitch(struct ath_hal *ah, HAL_ANT_SETTING settings) 370 { 371 #define ANTENNA0_CHAINMASK 0x1 372 #define ANTENNA1_CHAINMASK 0x2 373 struct ath_hal_5416 *ahp = AH5416(ah); 374 375 /* Antenna selection is done by setting the tx/rx chainmasks approp. */ 376 switch (settings) { 377 case HAL_ANT_FIXED_A: 378 /* Enable first antenna only */ 379 ahp->ah_tx_chainmask = ANTENNA0_CHAINMASK; 380 ahp->ah_rx_chainmask = ANTENNA0_CHAINMASK; 381 break; 382 case HAL_ANT_FIXED_B: 383 /* Enable second antenna only, after checking capability */ 384 if (AH_PRIVATE(ah)->ah_caps.halTxChainMask > ANTENNA1_CHAINMASK) 385 ahp->ah_tx_chainmask = ANTENNA1_CHAINMASK; 386 ahp->ah_rx_chainmask = ANTENNA1_CHAINMASK; 387 break; 388 case HAL_ANT_VARIABLE: 389 /* Restore original chainmask settings */ 390 /* XXX */ 391 ahp->ah_tx_chainmask = AR9285_DEFAULT_TXCHAINMASK; 392 ahp->ah_rx_chainmask = AR9285_DEFAULT_RXCHAINMASK; 393 break; 394 } 395 return AH_TRUE; 396 #undef ANTENNA0_CHAINMASK 397 #undef ANTENNA1_CHAINMASK 398 } 399 400 static const char* 401 ar9285Probe(uint16_t vendorid, uint16_t devid) 402 { 403 if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE) 404 return "Atheros 9285"; 405 return AH_NULL; 406 } 407 AH_CHIP(AR9285, ar9285Probe, ar9285Attach); 408