FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar9001/ar9130_attach.c

     /*-
      * SPDX-License-Identifier: ISC
      *
      * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd
      * Copyright (c) 2008 Sam Leffler, Errno Consulting
      * Copyright (c) 2008 Atheros Communications, Inc.
      *
      * Permission to use, copy, modify, and/or distribute this software for any
      * purpose with or without fee is hereby granted, provided that the above
     * copyright notice and this permission notice appear in all copies.
     *
     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     *
     * $FreeBSD$
     */
    #include "opt_ah.h"
    
    #include "ah.h"
    #include "ah_internal.h"
    #include "ah_devid.h"
    
    #include "ar5416/ar5416.h"
    #include "ar5416/ar5416reg.h"
    #include "ar5416/ar5416phy.h"
    
    #include "ar9001/ar9130reg.h"
    #include "ar9001/ar9130_phy.h"
    #include "ar9001/ar9130_eeprom.h"
    
    #include "ar9001/ar9130.ini"
    
    static const HAL_PERCAL_DATA ar9130_iq_cal = {          /* multi sample */
            .calName = "IQ", .calType = IQ_MISMATCH_CAL,
            .calNumSamples  = MAX_CAL_SAMPLES,
            .calCountMax    = PER_MIN_LOG_COUNT,
            .calCollect     = ar5416IQCalCollect,
            .calPostProc    = ar5416IQCalibration
    };
    static const HAL_PERCAL_DATA ar9130_adc_gain_cal = {    /* multi sample */
            .calName = "ADC Gain", .calType = ADC_GAIN_CAL,
            .calNumSamples  = MAX_CAL_SAMPLES,
            .calCountMax    = PER_MIN_LOG_COUNT,
            .calCollect     = ar5416AdcGainCalCollect,
            .calPostProc    = ar5416AdcGainCalibration
    };
    static const HAL_PERCAL_DATA ar9130_adc_dc_cal = {      /* multi sample */
            .calName = "ADC DC", .calType = ADC_DC_CAL,
            .calNumSamples  = MAX_CAL_SAMPLES,
            .calCountMax    = PER_MIN_LOG_COUNT,
            .calCollect     = ar5416AdcDcCalCollect,
            .calPostProc    = ar5416AdcDcCalibration
    };
    static const HAL_PERCAL_DATA ar9130_adc_init_dc_cal = {
            .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
            .calNumSamples  = MIN_CAL_SAMPLES,
            .calCountMax    = INIT_LOG_COUNT,
            .calCollect     = ar5416AdcDcCalCollect,
            .calPostProc    = ar5416AdcDcCalibration
    };
    
    static HAL_BOOL ar9130FillCapabilityInfo(struct ath_hal *ah);
    
    /*
     * Attach for an AR9130 part.
     */
    static struct ath_hal *
    ar9130Attach(uint16_t devid, HAL_SOFTC sc,
            HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
            HAL_OPS_CONFIG *ah_config,
            HAL_STATUS *status)
    {
            struct ath_hal_5416 *ahp5416;
            struct ath_hal_5212 *ahp;
            struct ath_hal *ah;
            uint32_t val;
            HAL_STATUS ecode;
            HAL_BOOL rfStatus;
    
            HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
                __func__, sc, (void*) st, (void*) sh);
    
            /* NB: memory is returned zero'd */
            ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416));
            if (ahp5416 == AH_NULL) {
                    HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
                        "%s: cannot allocate memory for state block\n", __func__);
                    *status = HAL_ENOMEM;
                    return AH_NULL;
            }
            ar5416InitState(ahp5416, devid, sc, st, sh, status);
            ahp = &ahp5416->ah_5212;
            ah = &ahp->ah_priv.h;
    
           /* XXX override with 9100 specific state */
           AH5416(ah)->ah_initPLL = ar9130InitPLL;
           /* XXX should force chainmasks to 0x7, as per ath9k calibration bugs */
   
           /* override 5416 methods for our needs */
   
           AH5416(ah)->ah_cal.iqCalData.calData = &ar9130_iq_cal;
           AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9130_adc_gain_cal;
           AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9130_adc_dc_cal;
           AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9130_adc_init_dc_cal;
           AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
   
           /*
            * This was hard-set because the initial ath9k port of this
            * code kept their runtime conditional register #defines.
            * AR_SREV and the RTC registers have shifted for Howl;
            * they detected this and changed the values at runtime.
            * The current port doesn't yet do this; it may do at a
            * later stage, so this is set early so any routines which
            * manipulate the registers have ah_macVersion set to base
            * the above decision upon.
            */
           AH_PRIVATE((ah))->ah_macVersion = AR_XSREV_VERSION_HOWL;
   
           /*
            * Use the "local" EEPROM data given to us by the higher layers.
            * This is a private copy out of system flash.
            * By this stage the SoC SPI flash may have disabled the memory-
            * mapping and rely purely on port-based SPI IO.
            */
           AH_PRIVATE((ah))->ah_eepromRead = ath_hal_EepromDataRead;
           AH_PRIVATE((ah))->ah_eepromWrite = NULL;
           ah->ah_eepromdata = eepromdata;
   
           if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
                   /* reset chip */
                   HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
                       __func__);
                   ecode = HAL_EIO;
                   goto bad;
           }
   
           if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
                   HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
                       __func__);
                   ecode = HAL_EIO;
                   goto bad;
           }
           /* Read Revisions from Chips before taking out of reset */
           val = OS_REG_READ(ah, AR_SREV_CHIP_HOWL) & AR_SREV_CHIP_HOWL_ID;
   
           /* XXX are these values even valid for the mac/radio revision? -adrian */
           HALDEBUG(ah, HAL_DEBUG_ATTACH,
               "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
               __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
               MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
           AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
           AH_PRIVATE(ah)->ah_ispcie = 0;
   
           /* setup common ini data; rf backends handle remainder */
           HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes_9100, 6);
           HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common_9100, 2);
   
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain_9100, 3);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0_9100, 2);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1_9100, 2);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2_9100, 2);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3_9100, 3);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6TPC_9100, 3);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7_9100, 2);
           HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac_9100, 2);
   
           ecode = ath_hal_v14EepromAttach(ah);
           if (ecode != HAL_OK)
                   goto bad;
   
           if (!ar5416ChipReset(ah, AH_NULL, HAL_RESET_NORMAL)) {  /* reset chip */
                   HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
                   ecode = HAL_EIO;
                   goto bad;
           }
   
           AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
   
           if (!ar5212ChipTest(ah)) {
                   HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
                       __func__);
                   ecode = HAL_ESELFTEST;
                   goto bad;
           }
   
           /*
            * Set correct Baseband to analog shift
            * setting to access analog chips.
            */
           OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
   
           /* Read Radio Chip Rev Extract */
           AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
           switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
           case AR_RAD2133_SREV_MAJOR:     /* Sowl: 2G/3x3 */
           case AR_RAD5133_SREV_MAJOR:     /* Sowl: 2+5G/3x3 */
                   break;
           default:
                   if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
                           AH_PRIVATE(ah)->ah_analog5GhzRev =
                                   AR_RAD5133_SREV_MAJOR;
                           break;
                   }
   #ifdef AH_DEBUG
                   HALDEBUG(ah, HAL_DEBUG_ANY,
                       "%s: 5G Radio Chip Rev 0x%02X is not supported by "
                       "this driver\n", __func__,
                       AH_PRIVATE(ah)->ah_analog5GhzRev);
                   ecode = HAL_ENOTSUPP;
                   goto bad;
   #endif
           }
           rfStatus = ar2133RfAttach(ah, &ecode);
           if (!rfStatus) {
                   HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
                       __func__, ecode);
                   goto bad;
           }
   
           /*
            * Got everything we need now to setup the capabilities.
            */
           if (!ar9130FillCapabilityInfo(ah)) {
                   ecode = HAL_EEREAD;
                   goto bad;
           }
   
           ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
           if (ecode != HAL_OK) {
                   HALDEBUG(ah, HAL_DEBUG_ANY,
                       "%s: error getting mac address from EEPROM\n", __func__);
                   goto bad;
           }
           /* XXX How about the serial number ? */
           /* Read Reg Domain */
           AH_PRIVATE(ah)->ah_currentRD =
               ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
           AH_PRIVATE(ah)->ah_currentRDext =
               ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
   
           /*
            * ah_miscMode is populated by ar5416FillCapabilityInfo()
            * starting from griffin. Set here to make sure that
            * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
            * placed into hardware.
            */
           if (ahp->ah_miscMode != 0)
                   OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
   
           /* XXX no ANI for AR9130 */
           AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
           AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
           AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
           AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
           AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
           AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
   
           ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
   
           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
   
           return ah;
   bad:
           if (ahp)
                   ar5416Detach((struct ath_hal *) ahp);
           if (status)
                   *status = ecode;
           return AH_NULL;
   }
   
   /*
    * Fill all software cached or static hardware state information.
    * Return failure if capabilities are to come from EEPROM and
    * cannot be read.
    */
   static HAL_BOOL
   ar9130FillCapabilityInfo(struct ath_hal *ah)
   {
           HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
   
           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: begin\n", __func__);
           if (!ar5416FillCapabilityInfo(ah))
                   return AH_FALSE;
           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: fill'ed; now setting\n", __func__);
           pCap->halCSTSupport = AH_TRUE;
           pCap->halRifsRxSupport = AH_TRUE;
           pCap->halRifsTxSupport = AH_TRUE;
           pCap->halRtsAggrLimit = 64*1024;        /* 802.11n max */
           pCap->halExtChanDfsSupport = AH_TRUE;
           pCap->halUseCombinedRadarRssi = AH_TRUE;
           pCap->halAutoSleepSupport = AH_FALSE;   /* XXX? */
           /*
            * MBSSID aggregation is broken in Howl v1.1, v1.2, v1.3
            * and works fine in v1.4.
            * XXX todo, enable it for v1.4.
            */
           pCap->halMbssidAggrSupport = AH_FALSE;
           pCap->hal4AddrAggrSupport = AH_TRUE;
           /* BB Read WAR */
           pCap->halHasBBReadWar = AH_TRUE;
   
           /*
            * Implement the PLL/config changes needed for half/quarter
            * rates before re-enabling them here.
            */
           pCap->halChanHalfRate = AH_FALSE;
           pCap->halChanQuarterRate = AH_FALSE;
   
           return AH_TRUE;
   }
   
   static const char*
   ar9130Probe(uint16_t vendorid, uint16_t devid)
   {
           if (vendorid == ATHEROS_VENDOR_ID && devid == AR5416_AR9130_DEVID)
                   return "Atheros 9130";
           return AH_NULL;
   }
   AH_CHIP(AR9130, ar9130Probe, ar9130Attach);

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