Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/ath/ath_hal/ar9001/ar9160_attach.c
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1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2008 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 "ar5416/ar5416.h" 28 #include "ar5416/ar5416reg.h" 29 #include "ar5416/ar5416phy.h" 30 31 #include "ar9001/ar9160.ini" 32 33 static const HAL_PERCAL_DATA ar9160_iq_cal = { /* multi sample */ 34 .calName = "IQ", .calType = IQ_MISMATCH_CAL, 35 .calNumSamples = MAX_CAL_SAMPLES, 36 .calCountMax = PER_MIN_LOG_COUNT, 37 .calCollect = ar5416IQCalCollect, 38 .calPostProc = ar5416IQCalibration 39 }; 40 static const HAL_PERCAL_DATA ar9160_adc_gain_cal = { /* multi sample */ 41 .calName = "ADC Gain", .calType = ADC_GAIN_CAL, 42 .calNumSamples = MAX_CAL_SAMPLES, 43 .calCountMax = PER_MIN_LOG_COUNT, 44 .calCollect = ar5416AdcGainCalCollect, 45 .calPostProc = ar5416AdcGainCalibration 46 }; 47 static const HAL_PERCAL_DATA ar9160_adc_dc_cal = { /* multi sample */ 48 .calName = "ADC DC", .calType = ADC_DC_CAL, 49 .calNumSamples = MAX_CAL_SAMPLES, 50 .calCountMax = PER_MIN_LOG_COUNT, 51 .calCollect = ar5416AdcDcCalCollect, 52 .calPostProc = ar5416AdcDcCalibration 53 }; 54 static const HAL_PERCAL_DATA ar9160_adc_init_dc_cal = { 55 .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL, 56 .calNumSamples = MIN_CAL_SAMPLES, 57 .calCountMax = INIT_LOG_COUNT, 58 .calCollect = ar5416AdcDcCalCollect, 59 .calPostProc = ar5416AdcDcCalibration 60 }; 61 62 static HAL_BOOL ar9160FillCapabilityInfo(struct ath_hal *ah); 63 64 static void 65 ar9160AniSetup(struct ath_hal *ah) 66 { 67 static const struct ar5212AniParams aniparams = { 68 .maxNoiseImmunityLevel = 4, /* levels 0..4 */ 69 .totalSizeDesired = { -55, -55, -55, -55, -62 }, 70 .coarseHigh = { -14, -14, -14, -14, -12 }, 71 .coarseLow = { -64, -64, -64, -64, -70 }, 72 .firpwr = { -78, -78, -78, -78, -80 }, 73 .maxSpurImmunityLevel = 7, 74 .cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 }, 75 .maxFirstepLevel = 2, /* levels 0..2 */ 76 .firstep = { 0, 4, 8 }, 77 .ofdmTrigHigh = 500, 78 .ofdmTrigLow = 200, 79 .cckTrigHigh = 200, 80 .cckTrigLow = 100, 81 .rssiThrHigh = 40, 82 .rssiThrLow = 7, 83 .period = 100, 84 }; 85 86 /* NB: disable ANI noise immmunity for reliable RIFS rx */ 87 AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL); 88 ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE); 89 } 90 91 static void 92 ar9160InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan) 93 { 94 uint32_t pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV); 95 if (chan != AH_NULL) { 96 if (IEEE80211_IS_CHAN_HALF(chan)) 97 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL); 98 else if (IEEE80211_IS_CHAN_QUARTER(chan)) 99 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL); 100 101 if (IEEE80211_IS_CHAN_5GHZ(chan)) 102 pll |= SM(0x50, AR_RTC_SOWL_PLL_DIV); 103 else 104 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV); 105 } else 106 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV); 107 108 OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll); 109 OS_DELAY(RTC_PLL_SETTLE_DELAY); 110 OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK); 111 } 112 113 /* 114 * Attach for an AR9160 part. 115 */ 116 static struct ath_hal * 117 ar9160Attach(uint16_t devid, HAL_SOFTC sc, 118 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata, 119 HAL_OPS_CONFIG *ah_config, 120 HAL_STATUS *status) 121 { 122 struct ath_hal_5416 *ahp5416; 123 struct ath_hal_5212 *ahp; 124 struct ath_hal *ah; 125 uint32_t val; 126 HAL_STATUS ecode; 127 HAL_BOOL rfStatus; 128 129 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n", 130 __func__, sc, (void*) st, (void*) sh); 131 132 /* NB: memory is returned zero'd */ 133 ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416)); 134 if (ahp5416 == AH_NULL) { 135 HALDEBUG(AH_NULL, HAL_DEBUG_ANY, 136 "%s: cannot allocate memory for state block\n", __func__); 137 *status = HAL_ENOMEM; 138 return AH_NULL; 139 } 140 ar5416InitState(ahp5416, devid, sc, st, sh, status); 141 ahp = &ahp5416->ah_5212; 142 ah = &ahp->ah_priv.h; 143 144 /* XXX override with 9160 specific state */ 145 /* override 5416 methods for our needs */ 146 AH5416(ah)->ah_initPLL = ar9160InitPLL; 147 148 AH5416(ah)->ah_cal.iqCalData.calData = &ar9160_iq_cal; 149 AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9160_adc_gain_cal; 150 AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9160_adc_dc_cal; 151 AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9160_adc_init_dc_cal; 152 AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL; 153 154 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) { 155 /* reset chip */ 156 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", 157 __func__); 158 ecode = HAL_EIO; 159 goto bad; 160 } 161 162 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) { 163 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", 164 __func__); 165 ecode = HAL_EIO; 166 goto bad; 167 } 168 /* Read Revisions from Chips before taking out of reset */ 169 val = OS_REG_READ(ah, AR_SREV); 170 HALDEBUG(ah, HAL_DEBUG_ATTACH, 171 "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n", 172 __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION), 173 MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION)); 174 /* NB: include chip type to differentiate from pre-Sowl versions */ 175 AH_PRIVATE(ah)->ah_macVersion = 176 (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S; 177 AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION); 178 AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0; 179 180 /* setup common ini data; rf backends handle remainder */ 181 HAL_INI_INIT(&ahp->ah_ini_modes, ar9160Modes, 6); 182 HAL_INI_INIT(&ahp->ah_ini_common, ar9160Common, 2); 183 184 HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar9160BB_RfGain, 3); 185 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar9160Bank0, 2); 186 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar9160Bank1, 2); 187 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar9160Bank2, 2); 188 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar9160Bank3, 3); 189 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar9160Bank6TPC, 3); 190 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar9160Bank7, 2); 191 if (AR_SREV_SOWL_11(ah)) 192 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac_1_1, 2); 193 else 194 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac, 2); 195 196 ecode = ath_hal_v14EepromAttach(ah); 197 if (ecode != HAL_OK) 198 goto bad; 199 200 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar9160PciePhy, 2); 201 ar5416AttachPCIE(ah); 202 203 if (!ar5416ChipReset(ah, AH_NULL, HAL_RESET_NORMAL)) { /* reset chip */ 204 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__); 205 ecode = HAL_EIO; 206 goto bad; 207 } 208 209 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID); 210 211 if (!ar5212ChipTest(ah)) { 212 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n", 213 __func__); 214 ecode = HAL_ESELFTEST; 215 goto bad; 216 } 217 218 /* 219 * Set correct Baseband to analog shift 220 * setting to access analog chips. 221 */ 222 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 223 224 /* Read Radio Chip Rev Extract */ 225 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah); 226 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) { 227 case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */ 228 case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */ 229 break; 230 default: 231 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) { 232 AH_PRIVATE(ah)->ah_analog5GhzRev = 233 AR_RAD5133_SREV_MAJOR; 234 break; 235 } 236 #ifdef AH_DEBUG 237 HALDEBUG(ah, HAL_DEBUG_ANY, 238 "%s: 5G Radio Chip Rev 0x%02X is not supported by " 239 "this driver\n", __func__, 240 AH_PRIVATE(ah)->ah_analog5GhzRev); 241 ecode = HAL_ENOTSUPP; 242 goto bad; 243 #endif 244 } 245 rfStatus = ar2133RfAttach(ah, &ecode); 246 if (!rfStatus) { 247 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n", 248 __func__, ecode); 249 goto bad; 250 } 251 252 /* 253 * Got everything we need now to setup the capabilities. 254 */ 255 if (!ar9160FillCapabilityInfo(ah)) { 256 ecode = HAL_EEREAD; 257 goto bad; 258 } 259 260 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr); 261 if (ecode != HAL_OK) { 262 HALDEBUG(ah, HAL_DEBUG_ANY, 263 "%s: error getting mac address from EEPROM\n", __func__); 264 goto bad; 265 } 266 /* XXX How about the serial number ? */ 267 /* Read Reg Domain */ 268 AH_PRIVATE(ah)->ah_currentRD = 269 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL); 270 AH_PRIVATE(ah)->ah_currentRDext = 271 ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL); 272 273 /* 274 * ah_miscMode is populated by ar5416FillCapabilityInfo() 275 * starting from griffin. Set here to make sure that 276 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is 277 * placed into hardware. 278 */ 279 if (ahp->ah_miscMode != 0) 280 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode); 281 282 ar9160AniSetup(ah); /* Anti Noise Immunity */ 283 284 /* This just uses the AR5416 NF values */ 285 AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ; 286 AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ; 287 AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ; 288 AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ; 289 AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ; 290 AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ; 291 292 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist); 293 294 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__); 295 296 return ah; 297 bad: 298 if (ahp) 299 ar5416Detach((struct ath_hal *) ahp); 300 if (status) 301 *status = ecode; 302 return AH_NULL; 303 } 304 305 /* 306 * Fill all software cached or static hardware state information. 307 * Return failure if capabilities are to come from EEPROM and 308 * cannot be read. 309 */ 310 static HAL_BOOL 311 ar9160FillCapabilityInfo(struct ath_hal *ah) 312 { 313 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps; 314 315 if (!ar5416FillCapabilityInfo(ah)) 316 return AH_FALSE; 317 pCap->halCSTSupport = AH_TRUE; 318 pCap->halRifsRxSupport = AH_TRUE; 319 pCap->halRifsTxSupport = AH_TRUE; 320 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */ 321 pCap->halExtChanDfsSupport = AH_TRUE; 322 pCap->halUseCombinedRadarRssi = AH_TRUE; 323 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */ 324 pCap->halMbssidAggrSupport = AH_TRUE; 325 pCap->hal4AddrAggrSupport = AH_TRUE; 326 /* BB Read WAR */ 327 pCap->halHasBBReadWar = AH_TRUE; 328 329 /* AR9160 is a 2x2 stream device */ 330 pCap->halTxStreams = 2; 331 pCap->halRxStreams = 2; 332 333 return AH_TRUE; 334 } 335 336 static const char* 337 ar9160Probe(uint16_t vendorid, uint16_t devid) 338 { 339 if (vendorid == ATHEROS_VENDOR_ID && devid == AR9160_DEVID_PCI) 340 return "Atheros 9160"; 341 return AH_NULL; 342 } 343 AH_CHIP(AR9160, ar9160Probe, ar9160Attach);
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