The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar9002/ar9285_attach.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    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_v4k.h"              /* XXX for tx/rx gain */
   28 
   29 #include "ar9002/ar9280.h"
   30 #include "ar9002/ar9285.h"
   31 #include "ar5416/ar5416reg.h"
   32 #include "ar5416/ar5416phy.h"
   33 
   34 #include "ar9002/ar9285.ini"
   35 #include "ar9002/ar9285v2.ini"
   36 #include "ar9002/ar9280v2.ini"          /* XXX ini for tx/rx gain */
   37 
   38 #include "ar9002/ar9285_cal.h"
   39 #include "ar9002/ar9285_phy.h"
   40 #include "ar9002/ar9285_diversity.h"
   41 
   42 static const HAL_PERCAL_DATA ar9280_iq_cal = {          /* single sample */
   43         .calName = "IQ", .calType = IQ_MISMATCH_CAL,
   44         .calNumSamples  = MIN_CAL_SAMPLES,
   45         .calCountMax    = PER_MAX_LOG_COUNT,
   46         .calCollect     = ar5416IQCalCollect,
   47         .calPostProc    = ar5416IQCalibration
   48 };
   49 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = {    /* single sample */
   50         .calName = "ADC Gain", .calType = ADC_GAIN_CAL,
   51         .calNumSamples  = MIN_CAL_SAMPLES,
   52         .calCountMax    = PER_MIN_LOG_COUNT,
   53         .calCollect     = ar5416AdcGainCalCollect,
   54         .calPostProc    = ar5416AdcGainCalibration
   55 };
   56 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = {      /* single sample */
   57         .calName = "ADC DC", .calType = ADC_DC_CAL,
   58         .calNumSamples  = MIN_CAL_SAMPLES,
   59         .calCountMax    = PER_MIN_LOG_COUNT,
   60         .calCollect     = ar5416AdcDcCalCollect,
   61         .calPostProc    = ar5416AdcDcCalibration
   62 };
   63 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
   64         .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
   65         .calNumSamples  = MIN_CAL_SAMPLES,
   66         .calCountMax    = INIT_LOG_COUNT,
   67         .calCollect     = ar5416AdcDcCalCollect,
   68         .calPostProc    = ar5416AdcDcCalibration
   69 };
   70 
   71 static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
   72                 HAL_BOOL power_off);
   73 static void ar9285DisablePCIE(struct ath_hal *ah);
   74 static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah);
   75 static void ar9285WriteIni(struct ath_hal *ah,
   76         const struct ieee80211_channel *chan);
   77 
   78 static void
   79 ar9285AniSetup(struct ath_hal *ah)
   80 {
   81         /*
   82          * These are the parameters from the AR5416 ANI code;
   83          * they likely need quite a bit of adjustment for the
   84          * AR9285.
   85          */
   86         static const struct ar5212AniParams aniparams = {
   87                 .maxNoiseImmunityLevel  = 4,    /* levels 0..4 */
   88                 .totalSizeDesired       = { -55, -55, -55, -55, -62 },
   89                 .coarseHigh             = { -14, -14, -14, -14, -12 },
   90                 .coarseLow              = { -64, -64, -64, -64, -70 },
   91                 .firpwr                 = { -78, -78, -78, -78, -80 },
   92                 .maxSpurImmunityLevel   = 7,
   93                 .cycPwrThr1             = { 2, 4, 6, 8, 10, 12, 14, 16 },
   94                 .maxFirstepLevel        = 2,    /* levels 0..2 */
   95                 .firstep                = { 0, 4, 8 },
   96                 .ofdmTrigHigh           = 500,
   97                 .ofdmTrigLow            = 200,
   98                 .cckTrigHigh            = 200,
   99                 .cckTrigLow             = 100,
  100                 .rssiThrHigh            = 40,
  101                 .rssiThrLow             = 7,
  102                 .period                 = 100,
  103         };
  104         /* NB: disable ANI noise immmunity for reliable RIFS rx */
  105         AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
  106 
  107         ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
  108 }
  109 
  110 static const char * ar9285_lna_conf[] = {
  111         "LNA1-LNA2",
  112         "LNA2",
  113         "LNA1",
  114         "LNA1+LNA2",
  115 };
  116 
  117 static void
  118 ar9285_eeprom_print_diversity_settings(struct ath_hal *ah)
  119 {
  120         const HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
  121         const MODAL_EEP4K_HEADER *pModal = &ee->ee_base.modalHeader;
  122 
  123         ath_hal_printf(ah, "[ath] AR9285 Main LNA config: %s\n",
  124             ar9285_lna_conf[(pModal->antdiv_ctl2 >> 2) & 0x3]);
  125         ath_hal_printf(ah, "[ath] AR9285 Alt LNA config: %s\n",
  126             ar9285_lna_conf[pModal->antdiv_ctl2 & 0x3]);
  127         ath_hal_printf(ah, "[ath] LNA diversity %s, Diversity %s\n",
  128             ((pModal->antdiv_ctl1 & 0x1) ? "enabled" : "disabled"),
  129             ((pModal->antdiv_ctl1 & 0x8) ? "enabled" : "disabled"));
  130 }
  131 
  132 /*
  133  * Attach for an AR9285 part.
  134  */
  135 static struct ath_hal *
  136 ar9285Attach(uint16_t devid, HAL_SOFTC sc,
  137         HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
  138         HAL_OPS_CONFIG *ah_config,
  139         HAL_STATUS *status)
  140 {
  141         struct ath_hal_9285 *ahp9285;
  142         struct ath_hal_5212 *ahp;
  143         struct ath_hal *ah;
  144         uint32_t val;
  145         HAL_STATUS ecode;
  146         HAL_BOOL rfStatus;
  147 
  148         HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
  149             __func__, sc, (void*) st, (void*) sh);
  150 
  151         /* NB: memory is returned zero'd */
  152         ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
  153         if (ahp9285 == AH_NULL) {
  154                 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
  155                     "%s: cannot allocate memory for state block\n", __func__);
  156                 *status = HAL_ENOMEM;
  157                 return AH_NULL;
  158         }
  159         ahp = AH5212(ahp9285);
  160         ah = &ahp->ah_priv.h;
  161 
  162         ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
  163 
  164         /*
  165          * Use the "local" EEPROM data given to us by the higher layers.
  166          * This is a private copy out of system flash. The Linux ath9k
  167          * commit for the initial AR9130 support mentions MMIO flash
  168          * access is "unreliable." -adrian
  169          */
  170         if (eepromdata != AH_NULL) {
  171                 AH_PRIVATE(ah)->ah_eepromRead = ath_hal_EepromDataRead;
  172                 AH_PRIVATE(ah)->ah_eepromWrite = NULL;
  173                 ah->ah_eepromdata = eepromdata;
  174         }
  175 
  176         /* override with 9285 specific state */
  177         AH5416(ah)->ah_initPLL = ar9280InitPLL;
  178         AH5416(ah)->ah_btCoexSetDiversity = ar9285BTCoexAntennaDiversity;
  179 
  180         ah->ah_setAntennaSwitch         = ar9285SetAntennaSwitch;
  181         ah->ah_configPCIE               = ar9285ConfigPCIE;
  182         ah->ah_disablePCIE              = ar9285DisablePCIE;
  183         ah->ah_setTxPower               = ar9285SetTransmitPower;
  184         ah->ah_setBoardValues           = ar9285SetBoardValues;
  185         ah->ah_btCoexSetParameter       = ar9285BTCoexSetParameter;
  186         ah->ah_divLnaConfGet            = ar9285_antdiv_comb_conf_get;
  187         ah->ah_divLnaConfSet            = ar9285_antdiv_comb_conf_set;
  188 
  189         AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
  190         AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
  191         AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
  192         AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
  193         AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
  194 
  195         AH5416(ah)->ah_spurMitigate     = ar9280SpurMitigate;
  196         AH5416(ah)->ah_writeIni         = ar9285WriteIni;
  197         AH5416(ah)->ah_rx_chainmask     = AR9285_DEFAULT_RXCHAINMASK;
  198         AH5416(ah)->ah_tx_chainmask     = AR9285_DEFAULT_TXCHAINMASK;
  199 
  200         ahp->ah_maxTxTrigLev            = MAX_TX_FIFO_THRESHOLD >> 1;
  201 
  202         if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
  203                 /* reset chip */
  204                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
  205                     __func__);
  206                 ecode = HAL_EIO;
  207                 goto bad;
  208         }
  209 
  210         if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
  211                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
  212                     __func__);
  213                 ecode = HAL_EIO;
  214                 goto bad;
  215         }
  216         /* Read Revisions from Chips before taking out of reset */
  217         val = OS_REG_READ(ah, AR_SREV);
  218         HALDEBUG(ah, HAL_DEBUG_ATTACH,
  219             "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
  220             __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
  221             MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
  222         /* NB: include chip type to differentiate from pre-Sowl versions */
  223         AH_PRIVATE(ah)->ah_macVersion =
  224             (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
  225         AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
  226         AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
  227 
  228         /* setup common ini data; rf backends handle remainder */
  229         if (AR_SREV_KITE_12_OR_LATER(ah)) {
  230                 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
  231                 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
  232                 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
  233                     ar9285PciePhy_clkreq_always_on_L1_v2, 2);
  234         } else {
  235                 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
  236                 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
  237                 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
  238                     ar9285PciePhy_clkreq_always_on_L1, 2);
  239         }
  240         ar5416AttachPCIE(ah);
  241 
  242         /* Attach methods that require MAC version/revision info */
  243         if (AR_SREV_KITE_12_OR_LATER(ah))
  244                 AH5416(ah)->ah_cal_initcal      = ar9285InitCalHardware;
  245         if (AR_SREV_KITE_11_OR_LATER(ah))
  246                 AH5416(ah)->ah_cal_pacal        = ar9002_hw_pa_cal;
  247 
  248         ecode = ath_hal_v4kEepromAttach(ah);
  249         if (ecode != HAL_OK)
  250                 goto bad;
  251 
  252         if (!ar5416ChipReset(ah, AH_NULL, HAL_RESET_NORMAL)) {  /* reset chip */
  253                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
  254                     __func__);
  255                 ecode = HAL_EIO;
  256                 goto bad;
  257         }
  258 
  259         AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
  260 
  261         if (!ar5212ChipTest(ah)) {
  262                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
  263                     __func__);
  264                 ecode = HAL_ESELFTEST;
  265                 goto bad;
  266         }
  267 
  268         /*
  269          * Set correct Baseband to analog shift
  270          * setting to access analog chips.
  271          */
  272         OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
  273 
  274         /* Read Radio Chip Rev Extract */
  275         AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
  276         switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
  277         case AR_RAD2133_SREV_MAJOR:     /* Sowl: 2G/3x3 */
  278         case AR_RAD5133_SREV_MAJOR:     /* Sowl: 2+5G/3x3 */
  279                 break;
  280         default:
  281                 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
  282                         AH_PRIVATE(ah)->ah_analog5GhzRev =
  283                                 AR_RAD5133_SREV_MAJOR;
  284                         break;
  285                 }
  286 #ifdef AH_DEBUG
  287                 HALDEBUG(ah, HAL_DEBUG_ANY,
  288                     "%s: 5G Radio Chip Rev 0x%02X is not supported by "
  289                     "this driver\n", __func__,
  290                     AH_PRIVATE(ah)->ah_analog5GhzRev);
  291                 ecode = HAL_ENOTSUPP;
  292                 goto bad;
  293 #endif
  294         }
  295         rfStatus = ar9285RfAttach(ah, &ecode);
  296         if (!rfStatus) {
  297                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
  298                     __func__, ecode);
  299                 goto bad;
  300         }
  301 
  302         HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
  303             6);
  304 
  305         if (AR_SREV_9285E_20(ah))
  306                 ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
  307 
  308         /* setup txgain table */
  309         switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
  310         case AR5416_EEP_TXGAIN_HIGH_POWER:
  311                 if (AR_SREV_9285E_20(ah))
  312                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
  313                             ar9285Modes_XE2_0_high_power, 6);
  314                 else
  315                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
  316                             ar9285Modes_high_power_tx_gain_v2, 6);
  317                 break;
  318         case AR5416_EEP_TXGAIN_ORIG:
  319                 if (AR_SREV_9285E_20(ah))
  320                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
  321                             ar9285Modes_XE2_0_normal_power, 6);
  322                 else
  323                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
  324                             ar9285Modes_original_tx_gain_v2, 6);
  325                 break;
  326         default:
  327                 HALASSERT(AH_FALSE);
  328                 goto bad;               /* XXX ? try to continue */
  329         }
  330 
  331         /*
  332          * Got everything we need now to setup the capabilities.
  333          */
  334         if (!ar9285FillCapabilityInfo(ah)) {
  335                 ecode = HAL_EEREAD;
  336                 goto bad;
  337         }
  338 
  339         /*
  340          * Print out the EEPROM antenna configuration mapping.
  341          * Some devices have a hard-coded LNA configuration profile;
  342          * others enable diversity.
  343          */
  344         ar9285_eeprom_print_diversity_settings(ah);
  345 
  346         /* Print out whether the EEPROM settings enable AR9285 diversity */
  347         if (ar9285_check_div_comb(ah)) {
  348                 ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
  349         }
  350 
  351         /* Disable 11n for the AR2427 */
  352         if (devid == AR2427_DEVID_PCIE)
  353                 AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
  354 
  355         ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
  356         if (ecode != HAL_OK) {
  357                 HALDEBUG(ah, HAL_DEBUG_ANY,
  358                     "%s: error getting mac address from EEPROM\n", __func__);
  359                 goto bad;
  360         }
  361         /* XXX How about the serial number ? */
  362         /* Read Reg Domain */
  363         AH_PRIVATE(ah)->ah_currentRD =
  364             ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
  365         /*
  366          * For Kite and later chipsets, the following bits are not
  367          * programmed in EEPROM and so are set as enabled always.
  368          */
  369         AH_PRIVATE(ah)->ah_currentRDext = AR9285_RDEXT_DEFAULT;
  370 
  371         /*
  372          * ah_miscMode is populated by ar5416FillCapabilityInfo()
  373          * starting from griffin. Set here to make sure that
  374          * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
  375          * placed into hardware.
  376          */
  377         if (ahp->ah_miscMode != 0)
  378                 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
  379 
  380         ar9285AniSetup(ah);                     /* Anti Noise Immunity */
  381 
  382         /* Setup noise floor min/max/nominal values */
  383         AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
  384         AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
  385         AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
  386         /* XXX no 5ghz values? */
  387 
  388         ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
  389 
  390         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
  391 
  392         return ah;
  393 bad:
  394         if (ah != AH_NULL)
  395                 ah->ah_detach(ah);
  396         if (status)
  397                 *status = ecode;
  398         return AH_NULL;
  399 }
  400 
  401 static void
  402 ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
  403 {
  404         uint32_t val;
  405 
  406         /*
  407          * This workaround needs some integration work with the HAL
  408          * config parameters and the if_ath_pci.c glue.
  409          * Specifically, read the value of the PCI register 0x70c
  410          * (4 byte PCI config space register) and store it in ath_hal_war70c.
  411          * Then if it's non-zero, the below WAR would override register
  412          * 0x570c upon suspend/resume.
  413          */
  414 #if 0
  415         if (AR_SREV_9285E_20(ah)) {
  416                 val = AH_PRIVATE(ah)->ah_config.ath_hal_war70c;
  417                 if (val) {
  418                         val &= 0xffff00ff;
  419                         val |= 0x6f00;
  420                         OS_REG_WRITE(ah, 0x570c, val);
  421                 }
  422         }
  423 #endif
  424 
  425         if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
  426                 ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
  427                 OS_DELAY(1000);
  428         }
  429 
  430         /*
  431          * Set PCIe workaround bits
  432          *
  433          * NOTE:
  434          *
  435          * In Merlin and Kite, bit 14 in WA register (disable L1) should only
  436          * be set when device enters D3 and be cleared when device comes back
  437          * to D0.
  438          */
  439         if (power_off) {                /* Power-off */
  440                 OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
  441 
  442                 val = OS_REG_READ(ah, AR_WA);
  443 
  444                 /*
  445                  * Disable bit 6 and 7 before entering D3 to prevent
  446                  * system hang.
  447                  */
  448                 val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
  449 
  450                 /*
  451                  * See above: set AR_WA_D3_L1_DISABLE when entering D3 state.
  452                  *
  453                  * XXX The reference HAL does it this way - it only sets
  454                  * AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT,
  455                  * which it (currently) isn't.  So the following statement
  456                  * is currently a NOP.
  457                  */
  458                 if (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
  459                         val |= AR_WA_D3_L1_DISABLE;
  460 
  461                 if (AR_SREV_9285E_20(ah))
  462                         val |= AR_WA_BIT23;
  463 
  464                 OS_REG_WRITE(ah, AR_WA, val);
  465         } else {                        /* Power-on */
  466                 val = AR9285_WA_DEFAULT;
  467                 /*
  468                  * See note above: make sure L1_DISABLE is not set.
  469                  */
  470                 val &= (~AR_WA_D3_L1_DISABLE);
  471 
  472                 /* Software workaroud for ASPM system hang. */
  473                 val |= (AR_WA_BIT6 | AR_WA_BIT7);
  474 
  475                 if (AR_SREV_9285E_20(ah))
  476                         val |= AR_WA_BIT23;
  477 
  478                 OS_REG_WRITE(ah, AR_WA, val);
  479 
  480                 /* set bit 19 to allow forcing of pcie core into L1 state */
  481                 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
  482         }
  483 }
  484 
  485 static void
  486 ar9285DisablePCIE(struct ath_hal *ah)
  487 {
  488 }
  489 
  490 static void
  491 ar9285WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
  492 {
  493         u_int modesIndex, freqIndex;
  494         int regWrites = 0;
  495 
  496         /* Setup the indices for the next set of register array writes */
  497         /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
  498         freqIndex = 2;
  499         if (IEEE80211_IS_CHAN_HT40(chan))
  500                 modesIndex = 3;
  501         else if (IEEE80211_IS_CHAN_108G(chan))
  502                 modesIndex = 5;
  503         else
  504                 modesIndex = 4;
  505 
  506         /* Set correct Baseband to analog shift setting to access analog chips. */
  507         OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
  508         OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
  509         regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
  510             modesIndex, regWrites);
  511         if (AR_SREV_KITE_12_OR_LATER(ah)) {
  512                 regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain,
  513                     modesIndex, regWrites);
  514         }
  515         regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
  516             1, regWrites);
  517 }
  518 
  519 /*
  520  * Fill all software cached or static hardware state information.
  521  * Return failure if capabilities are to come from EEPROM and
  522  * cannot be read.
  523  */
  524 static HAL_BOOL
  525 ar9285FillCapabilityInfo(struct ath_hal *ah)
  526 {
  527         HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
  528 
  529         if (!ar5416FillCapabilityInfo(ah))
  530                 return AH_FALSE;
  531         pCap->halNumGpioPins = 12;
  532         pCap->halWowSupport = AH_TRUE;
  533         pCap->halWowMatchPatternExact = AH_TRUE;
  534 #if 0
  535         pCap->halWowMatchPatternDword = AH_TRUE;
  536 #endif
  537         /* AR9285 has 2 antennas but is a 1x1 stream device */
  538         pCap->halTxStreams = 1;
  539         pCap->halRxStreams = 1;
  540 
  541         if (ar9285_check_div_comb(ah))
  542                 pCap->halAntDivCombSupport = AH_TRUE;
  543 
  544         pCap->halCSTSupport = AH_TRUE;
  545         pCap->halRifsRxSupport = AH_TRUE;
  546         pCap->halRifsTxSupport = AH_TRUE;
  547         pCap->halRtsAggrLimit = 64*1024;        /* 802.11n max */
  548         pCap->halExtChanDfsSupport = AH_TRUE;
  549         pCap->halUseCombinedRadarRssi = AH_TRUE;
  550 #if 1
  551         /* XXX bluetooth */
  552         pCap->halBtCoexSupport = AH_TRUE;
  553 #endif
  554         pCap->halAutoSleepSupport = AH_FALSE;   /* XXX? */
  555         pCap->hal4kbSplitTransSupport = AH_FALSE;
  556         /* Disable this so Block-ACK works correctly */
  557         pCap->halHasRxSelfLinkedTail = AH_FALSE;
  558         pCap->halMbssidAggrSupport = AH_TRUE;  
  559         pCap->hal4AddrAggrSupport = AH_TRUE;
  560         pCap->halSpectralScanSupport = AH_TRUE;
  561         pCap->halRxUsingLnaMixing = AH_TRUE;
  562 
  563         if (AR_SREV_KITE_12_OR_LATER(ah))
  564                 pCap->halPSPollBroken = AH_FALSE;
  565 
  566         /* Only RX STBC supported */
  567         pCap->halRxStbcSupport = 1;
  568         pCap->halTxStbcSupport = 0;
  569 
  570         return AH_TRUE;
  571 }
  572 
  573 static const char*
  574 ar9285Probe(uint16_t vendorid, uint16_t devid)
  575 {
  576         if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE)
  577                 return "Atheros 9285";
  578         if (vendorid == ATHEROS_VENDOR_ID && (devid == AR2427_DEVID_PCIE))
  579                 return "Atheros 2427";
  580 
  581         return AH_NULL;
  582 }
  583 AH_CHIP(AR9285, ar9285Probe, ar9285Attach);

Cache object: 79a76db2edfcc9dd77df29bc15347a29


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.