/*-
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
 * Copyright (c) 2002-2008 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.
 */
#include "opt_ah.h"

#include "ah.h"
#include "ah_internal.h"
#include "ah_eeprom_v3.h"

static void
getPcdacInterceptsFromPcdacMinMax(HAL_EEPROM *ee,
        uint16_t pcdacMin, uint16_t pcdacMax, uint16_t *vp)
{
        static const uint16_t intercepts3[] =
                { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 };
        static const uint16_t intercepts3_2[] =
                { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
        const uint16_t *ip = ee->ee_version < AR_EEPROM_VER3_2 ?
                intercepts3 : intercepts3_2;
        int i;

        /* loop for the percentages in steps or 5 */
        for (i = 0; i < NUM_INTERCEPTS; i++ )
                *vp++ = (ip[i] * pcdacMax + (100 - ip[i]) * pcdacMin) / 100;
}

/*
 * Get channel value from binary representation held in eeprom
 */
static uint16_t
fbin2freq(HAL_EEPROM *ee, uint16_t fbin)
{
        if (fbin == CHANNEL_UNUSED)     /* reserved value, don't convert */
                return fbin;
        return ee->ee_version <= AR_EEPROM_VER3_2 ?
                (fbin > 62 ? 5100 + 10*62 + 5*(fbin-62) : 5100 + 10*fbin) :
                4800 + 5*fbin;
}

static uint16_t
fbin2freq_2p4(HAL_EEPROM *ee, uint16_t fbin)
{
        if (fbin == CHANNEL_UNUSED)     /* reserved value, don't convert */
                return fbin;
        return ee->ee_version <= AR_EEPROM_VER3_2 ?
                2400 + fbin :
                2300 + fbin;
}

/*
 * Now copy EEPROM frequency pier contents into the allocated space
 */
static HAL_BOOL
readEepromFreqPierInfo(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        uint16_t eeval, off;
        int i;

        if (ee->ee_version >= AR_EEPROM_VER4_0 &&
            ee->ee_eepMap && !ee->ee_Amode) {
                /*
                 * V4.0 EEPROMs with map type 1 have frequency pier
                 * data only when 11a mode is supported.
                 */
                return AH_TRUE;
        }
        if (ee->ee_version >= AR_EEPROM_VER3_3) {
                off = GROUPS_OFFSET3_3 + GROUP1_OFFSET;
                for (i = 0; i < ee->ee_numChannels11a; i += 2) {
                        EEREAD(off++);
                        ee->ee_channels11a[i]   = (eeval >> 8) & FREQ_MASK_3_3;
                        ee->ee_channels11a[i+1] = eeval & FREQ_MASK_3_3;
                } 
        } else {
                off = GROUPS_OFFSET3_2 + GROUP1_OFFSET;

                EEREAD(off++);
                ee->ee_channels11a[0] = (eeval >> 9) & FREQ_MASK;
                ee->ee_channels11a[1] = (eeval >> 2) & FREQ_MASK;
                ee->ee_channels11a[2] = (eeval << 5) & FREQ_MASK;

                EEREAD(off++);
                ee->ee_channels11a[2] |= (eeval >> 11) & 0x1f;
                ee->ee_channels11a[3]  = (eeval >>  4) & FREQ_MASK;
                ee->ee_channels11a[4]  = (eeval <<  3) & FREQ_MASK;

                EEREAD(off++);
                ee->ee_channels11a[4] |= (eeval >> 13) & 0x7;
                ee->ee_channels11a[5]  = (eeval >>  6) & FREQ_MASK;
                ee->ee_channels11a[6]  = (eeval <<  1) & FREQ_MASK;

                EEREAD(off++);
                ee->ee_channels11a[6] |= (eeval >> 15) & 0x1;
                ee->ee_channels11a[7]  = (eeval >>  8) & FREQ_MASK;
                ee->ee_channels11a[8]  = (eeval >>  1) & FREQ_MASK;
                ee->ee_channels11a[9]  = (eeval <<  6) & FREQ_MASK;

                EEREAD(off++);
                ee->ee_channels11a[9] |= (eeval >> 10) & 0x3f;
        }

        for (i = 0; i < ee->ee_numChannels11a; i++)
                ee->ee_channels11a[i] = fbin2freq(ee, ee->ee_channels11a[i]);

        return AH_TRUE;
#undef EEREAD
}

/*
 * Rev 4 Eeprom 5112 Power Extract Functions
 */

/*
 * Allocate the power information based on the number of channels
 * recorded by the calibration.  These values are then initialized.
 */
static HAL_BOOL
eepromAllocExpnPower5112(struct ath_hal *ah,
        const EEPROM_POWER_5112 *pCalDataset,
        EEPROM_POWER_EXPN_5112 *pPowerExpn)
{
        uint16_t numChannels = pCalDataset->numChannels;
        const uint16_t *pChanList = pCalDataset->pChannels;
        void *data;
        int i, j;

        /* Allocate the channel and Power Data arrays together */
        data = ath_hal_malloc(
                roundup(sizeof(uint16_t) * numChannels, sizeof(uint32_t)) +
                sizeof(EXPN_DATA_PER_CHANNEL_5112) * numChannels);
        if (data == AH_NULL) {
                HALDEBUG(ah, HAL_DEBUG_ANY,
                    "%s unable to allocate raw data struct (gen3)\n", __func__);
                return AH_FALSE;
        }
        pPowerExpn->pChannels = data;
        pPowerExpn->pDataPerChannel = (void *)(((char *)data) +
                roundup(sizeof(uint16_t) * numChannels, sizeof(uint32_t)));

        pPowerExpn->numChannels = numChannels;
        for (i = 0; i < numChannels; i++) {
                pPowerExpn->pChannels[i] =
                        pPowerExpn->pDataPerChannel[i].channelValue =
                                pChanList[i];
                for (j = 0; j < NUM_XPD_PER_CHANNEL; j++) {
                        pPowerExpn->pDataPerChannel[i].pDataPerXPD[j].xpd_gain = j;
                        pPowerExpn->pDataPerChannel[i].pDataPerXPD[j].numPcdacs = 0;
                }
                pPowerExpn->pDataPerChannel[i].pDataPerXPD[0].numPcdacs = 4;
                pPowerExpn->pDataPerChannel[i].pDataPerXPD[3].numPcdacs = 3;
        }
        return AH_TRUE;
}

/*
 * Expand the dataSet from the calibration information into the
 * final power structure for 5112
 */
static HAL_BOOL
eepromExpandPower5112(struct ath_hal *ah,
        const EEPROM_POWER_5112 *pCalDataset,
        EEPROM_POWER_EXPN_5112 *pPowerExpn)
{
        int ii, jj, kk;
        int16_t maxPower_t4;
        EXPN_DATA_PER_XPD_5112 *pExpnXPD;
        /* ptr to array of info held per channel */
        const EEPROM_DATA_PER_CHANNEL_5112 *pCalCh;
        uint16_t xgainList[2], xpdMask;

        pPowerExpn->xpdMask = pCalDataset->xpdMask;

        xgainList[0] = 0xDEAD;
        xgainList[1] = 0xDEAD;

        kk = 0;
        xpdMask = pPowerExpn->xpdMask;
        for (jj = 0; jj < NUM_XPD_PER_CHANNEL; jj++) {
                if (((xpdMask >> jj) & 1) > 0) {
                        if (kk > 1) {
                                HALDEBUG(ah, HAL_DEBUG_ANY,
                                    "%s: too many xpdGains in dataset: %u\n",
                                    __func__, kk);
                                return AH_FALSE;
                        }
                        xgainList[kk++] = jj;
                }
        }

        pPowerExpn->numChannels = pCalDataset->numChannels;
        if (pPowerExpn->numChannels == 0) {
                HALDEBUG(ah, HAL_DEBUG_ANY, "%s: no channels\n", __func__);
                return AH_FALSE;
        }

        for (ii = 0; ii < pPowerExpn->numChannels; ii++) {
                pCalCh = &pCalDataset->pDataPerChannel[ii];
                pPowerExpn->pDataPerChannel[ii].channelValue =
                        pCalCh->channelValue;
                pPowerExpn->pDataPerChannel[ii].maxPower_t4 =
                        pCalCh->maxPower_t4;
                maxPower_t4 = pPowerExpn->pDataPerChannel[ii].maxPower_t4;

                for (jj = 0; jj < NUM_XPD_PER_CHANNEL; jj++)
                        pPowerExpn->pDataPerChannel[ii].pDataPerXPD[jj].numPcdacs = 0;
                if (xgainList[1] == 0xDEAD) {
                        jj = xgainList[0];
                        pExpnXPD = &pPowerExpn->pDataPerChannel[ii].pDataPerXPD[jj];
                        pExpnXPD->numPcdacs = 4;
                        pExpnXPD->pcdac[0] = pCalCh->pcd1_xg0;
                        pExpnXPD->pcdac[1] = (uint16_t)
                                (pExpnXPD->pcdac[0] + pCalCh->pcd2_delta_xg0);
                        pExpnXPD->pcdac[2] = (uint16_t)
                                (pExpnXPD->pcdac[1] + pCalCh->pcd3_delta_xg0);
                        pExpnXPD->pcdac[3] = (uint16_t)
                                (pExpnXPD->pcdac[2] + pCalCh->pcd4_delta_xg0);

                        pExpnXPD->pwr_t4[0] = pCalCh->pwr1_xg0;
                        pExpnXPD->pwr_t4[1] = pCalCh->pwr2_xg0;
                        pExpnXPD->pwr_t4[2] = pCalCh->pwr3_xg0;
                        pExpnXPD->pwr_t4[3] = pCalCh->pwr4_xg0;

                } else {
                        pPowerExpn->pDataPerChannel[ii].pDataPerXPD[xgainList[0]].pcdac[0] = pCalCh->pcd1_xg0;
                        pPowerExpn->pDataPerChannel[ii].pDataPerXPD[xgainList[1]].pcdac[0] = 20;
                        pPowerExpn->pDataPerChannel[ii].pDataPerXPD[xgainList[1]].pcdac[1] = 35;
                        pPowerExpn->pDataPerChannel[ii].pDataPerXPD[xgainList[1]].pcdac[2] = 63;

                        jj = xgainList[0];
                        pExpnXPD = &pPowerExpn->pDataPerChannel[ii].pDataPerXPD[jj];
                        pExpnXPD->numPcdacs = 4;
                        pExpnXPD->pcdac[1] = (uint16_t)
                                (pExpnXPD->pcdac[0] + pCalCh->pcd2_delta_xg0);
                        pExpnXPD->pcdac[2] = (uint16_t)
                                (pExpnXPD->pcdac[1] + pCalCh->pcd3_delta_xg0);
                        pExpnXPD->pcdac[3] = (uint16_t)
                                (pExpnXPD->pcdac[2] + pCalCh->pcd4_delta_xg0);
                        pExpnXPD->pwr_t4[0] = pCalCh->pwr1_xg0;
                        pExpnXPD->pwr_t4[1] = pCalCh->pwr2_xg0;
                        pExpnXPD->pwr_t4[2] = pCalCh->pwr3_xg0;
                        pExpnXPD->pwr_t4[3] = pCalCh->pwr4_xg0;

                        jj = xgainList[1];
                        pExpnXPD = &pPowerExpn->pDataPerChannel[ii].pDataPerXPD[jj];
                        pExpnXPD->numPcdacs = 3;

                        pExpnXPD->pwr_t4[0] = pCalCh->pwr1_xg3;
                        pExpnXPD->pwr_t4[1] = pCalCh->pwr2_xg3;
                        pExpnXPD->pwr_t4[2] = pCalCh->pwr3_xg3;
                }
        }
        return AH_TRUE;
}

static HAL_BOOL
readEepromRawPowerCalInfo5112(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        const uint16_t dbmmask           = 0xff;
        const uint16_t pcdac_delta_mask = 0x1f;
        const uint16_t pcdac_mask        = 0x3f;
        const uint16_t freqmask  = 0xff;

        int i, mode, numPiers;
        uint32_t off;
        uint16_t eeval;
        uint16_t freq[NUM_11A_EEPROM_CHANNELS];
        EEPROM_POWER_5112 eePower;

        HALASSERT(ee->ee_version >= AR_EEPROM_VER4_0);
        off = GROUPS_OFFSET3_3;
        for (mode = headerInfo11A; mode <= headerInfo11G; mode++) {
                numPiers = 0;
                switch (mode) {
                case headerInfo11A:
                        if (!ee->ee_Amode)      /* no 11a calibration data */
                                continue;
                        while (numPiers < NUM_11A_EEPROM_CHANNELS) {
                                EEREAD(off++);
                                if ((eeval & freqmask) == 0)
                                        break;
                                freq[numPiers++] = fbin2freq(ee,
                                        eeval & freqmask);

                                if (((eeval >> 8) & freqmask) == 0)
                                        break;
                                freq[numPiers++] = fbin2freq(ee,
                                        (eeval>>8) & freqmask);
                        }
                        break;
                case headerInfo11B:
                        if (!ee->ee_Bmode)      /* no 11b calibration data */
                                continue;
                        for (i = 0; i < NUM_2_4_EEPROM_CHANNELS; i++)
                                if (ee->ee_calPier11b[i] != CHANNEL_UNUSED)
                                        freq[numPiers++] = ee->ee_calPier11b[i];
                        break;
                case headerInfo11G:
                        if (!ee->ee_Gmode)      /* no 11g calibration data */
                                continue;
                        for (i = 0; i < NUM_2_4_EEPROM_CHANNELS; i++)
                                if (ee->ee_calPier11g[i] != CHANNEL_UNUSED)
                                        freq[numPiers++] = ee->ee_calPier11g[i];
                        break;
                default:
                        HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
                            __func__, mode);
                        return AH_FALSE;
                }

                OS_MEMZERO(&eePower, sizeof(eePower));
                eePower.numChannels = numPiers;

                for (i = 0; i < numPiers; i++) {
                        eePower.pChannels[i] = freq[i];
                        eePower.pDataPerChannel[i].channelValue = freq[i];

                        EEREAD(off++);
                        eePower.pDataPerChannel[i].pwr1_xg0 = (int16_t)
                                ((eeval & dbmmask) - ((eeval >> 7) & 0x1)*256);
                        eePower.pDataPerChannel[i].pwr2_xg0 = (int16_t)
                                (((eeval >> 8) & dbmmask) - ((eeval >> 15) & 0x1)*256);

                        EEREAD(off++);
                        eePower.pDataPerChannel[i].pwr3_xg0 = (int16_t)
                                ((eeval & dbmmask) - ((eeval >> 7) & 0x1)*256);
                        eePower.pDataPerChannel[i].pwr4_xg0 = (int16_t)
                                (((eeval >> 8) & dbmmask) - ((eeval >> 15) & 0x1)*256);

                        EEREAD(off++);
                        eePower.pDataPerChannel[i].pcd2_delta_xg0 = (uint16_t)
                                (eeval & pcdac_delta_mask);
                        eePower.pDataPerChannel[i].pcd3_delta_xg0 = (uint16_t)
                                ((eeval >> 5) & pcdac_delta_mask);
                        eePower.pDataPerChannel[i].pcd4_delta_xg0 = (uint16_t)
                                ((eeval >> 10) & pcdac_delta_mask);

                        EEREAD(off++);
                        eePower.pDataPerChannel[i].pwr1_xg3 = (int16_t)
                                ((eeval & dbmmask) - ((eeval >> 7) & 0x1)*256);
                        eePower.pDataPerChannel[i].pwr2_xg3 = (int16_t)
                                (((eeval >> 8) & dbmmask) - ((eeval >> 15) & 0x1)*256);

                        EEREAD(off++);
                        eePower.pDataPerChannel[i].pwr3_xg3 = (int16_t)
                                ((eeval & dbmmask) - ((eeval >> 7) & 0x1)*256);
                        if (ee->ee_version >= AR_EEPROM_VER4_3) {
                                eePower.pDataPerChannel[i].maxPower_t4 =
                                        eePower.pDataPerChannel[i].pwr4_xg0;     
                                eePower.pDataPerChannel[i].pcd1_xg0 = (uint16_t)
                                        ((eeval >> 8) & pcdac_mask);
                        } else {
                                eePower.pDataPerChannel[i].maxPower_t4 = (int16_t)
                                        (((eeval >> 8) & dbmmask) -
                                         ((eeval >> 15) & 0x1)*256);
                                eePower.pDataPerChannel[i].pcd1_xg0 = 1;
                        }
                }
                eePower.xpdMask = ee->ee_xgain[mode];

                if (!eepromAllocExpnPower5112(ah, &eePower, &ee->ee_modePowerArray5112[mode])) {
                        HALDEBUG(ah, HAL_DEBUG_ANY,
                            "%s: did not allocate power struct\n", __func__);
                        return AH_FALSE;
                }
                if (!eepromExpandPower5112(ah, &eePower, &ee->ee_modePowerArray5112[mode])) {
                        HALDEBUG(ah, HAL_DEBUG_ANY,
                            "%s: did not expand power struct\n", __func__);
                        return AH_FALSE;
                }
        }
        return AH_TRUE;
#undef EEREAD
}

static void
freeEepromRawPowerCalInfo5112(struct ath_hal *ah, HAL_EEPROM *ee)
{
        int mode;
        void *data;

        for (mode = headerInfo11A; mode <= headerInfo11G; mode++) {
                EEPROM_POWER_EXPN_5112 *pPowerExpn =
                        &ee->ee_modePowerArray5112[mode];
                data = pPowerExpn->pChannels;
                if (data != AH_NULL) {
                        pPowerExpn->pChannels = AH_NULL;
                        ath_hal_free(data);
                }
        }
}

static void
ar2413SetupEEPROMDataset(EEPROM_DATA_STRUCT_2413 *pEEPROMDataset2413,
        uint16_t myNumRawChannels, uint16_t *pMyRawChanList)
{
        uint16_t i, channelValue;
        uint32_t xpd_mask;
        uint16_t numPdGainsUsed;

        pEEPROMDataset2413->numChannels = myNumRawChannels;

        xpd_mask = pEEPROMDataset2413->xpd_mask;
        numPdGainsUsed = 0;
        if ((xpd_mask >> 0) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 1) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 2) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 3) & 0x1) numPdGainsUsed++;

        for (i = 0; i < myNumRawChannels; i++) {
                channelValue = pMyRawChanList[i];
                pEEPROMDataset2413->pChannels[i] = channelValue;
                pEEPROMDataset2413->pDataPerChannel[i].channelValue = channelValue;
                pEEPROMDataset2413->pDataPerChannel[i].numPdGains = numPdGainsUsed;
        }
}

static HAL_BOOL
ar2413ReadCalDataset(struct ath_hal *ah, HAL_EEPROM *ee,
        EEPROM_DATA_STRUCT_2413 *pCalDataset,
        uint32_t start_offset, uint32_t maxPiers, uint8_t mode)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        const uint16_t dbm_I_mask = 0x1F;       /* 5-bits. 1dB step. */
        const uint16_t dbm_delta_mask = 0xF;    /* 4-bits. 0.5dB step. */
        const uint16_t Vpd_I_mask = 0x7F;       /* 7-bits. 0-128 */
        const uint16_t Vpd_delta_mask = 0x3F;   /* 6-bits. 0-63 */
        const uint16_t freqmask = 0xff;

        uint16_t ii, eeval;
        uint16_t idx, numPiers;
        uint16_t freq[NUM_11A_EEPROM_CHANNELS];

        idx = start_offset;
    for (numPiers = 0; numPiers < maxPiers;) {
        EEREAD(idx++);
        if ((eeval & freqmask) == 0)
            break;
        if (mode == headerInfo11A)
            freq[numPiers++] = fbin2freq(ee, (eeval & freqmask));
        else
            freq[numPiers++] = fbin2freq_2p4(ee, (eeval & freqmask));
                                                                                          
        if (((eeval >> 8) & freqmask) == 0)
            break;
        if (mode == headerInfo11A)
            freq[numPiers++] = fbin2freq(ee, (eeval >> 8) & freqmask);
        else
            freq[numPiers++] = fbin2freq_2p4(ee, (eeval >> 8) & freqmask);
    }
        ar2413SetupEEPROMDataset(pCalDataset, numPiers, &freq[0]);

        idx = start_offset + (maxPiers / 2);
        for (ii = 0; ii < pCalDataset->numChannels; ii++) {
                EEPROM_DATA_PER_CHANNEL_2413 *currCh =
                        &(pCalDataset->pDataPerChannel[ii]);

                if (currCh->numPdGains > 0) {
                        /*
                         * Read the first NUM_POINTS_OTHER_PDGAINS pwr
                         * and Vpd values for pdgain_0
                         */
                        EEREAD(idx++);
                        currCh->pwr_I[0] = eeval & dbm_I_mask;
                        currCh->Vpd_I[0] = (eeval >> 5) & Vpd_I_mask;
                        currCh->pwr_delta_t2[0][0] =
                                (eeval >> 12) & dbm_delta_mask;
                        
                        EEREAD(idx++);
                        currCh->Vpd_delta[0][0] = eeval & Vpd_delta_mask;
                        currCh->pwr_delta_t2[1][0] =
                                (eeval >> 6) & dbm_delta_mask;
                        currCh->Vpd_delta[1][0] =
                                (eeval >> 10) & Vpd_delta_mask;
                        
                        EEREAD(idx++);
                        currCh->pwr_delta_t2[2][0] = eeval & dbm_delta_mask;
                        currCh->Vpd_delta[2][0] = (eeval >> 4) & Vpd_delta_mask;
                }
                
                if (currCh->numPdGains > 1) {
                        /*
                         * Read the first NUM_POINTS_OTHER_PDGAINS pwr
                         * and Vpd values for pdgain_1
                         */
                        currCh->pwr_I[1] = (eeval >> 10) & dbm_I_mask;
                        currCh->Vpd_I[1] = (eeval >> 15) & 0x1;
                        
                        EEREAD(idx++);
                        /* upper 6 bits */
                        currCh->Vpd_I[1] |= (eeval & 0x3F) << 1;
                        currCh->pwr_delta_t2[0][1] =
                                (eeval >> 6) & dbm_delta_mask;
                        currCh->Vpd_delta[0][1] =
                                (eeval >> 10) & Vpd_delta_mask;
                        
                        EEREAD(idx++);
                        currCh->pwr_delta_t2[1][1] = eeval & dbm_delta_mask;
                        currCh->Vpd_delta[1][1] = (eeval >> 4) & Vpd_delta_mask;
                        currCh->pwr_delta_t2[2][1] =
                                (eeval >> 10) & dbm_delta_mask;
                        currCh->Vpd_delta[2][1] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 4 bits */
                        currCh->Vpd_delta[2][1] |= (eeval & 0xF) << 2;
                } else if (currCh->numPdGains == 1) {
                        /*
                         * Read the last pwr and Vpd values for pdgain_0
                         */
                        currCh->pwr_delta_t2[3][0] =
                                (eeval >> 10) & dbm_delta_mask;
                        currCh->Vpd_delta[3][0] = (eeval >> 14) & 0x3;

                        EEREAD(idx++);
                        /* upper 4 bits */
                        currCh->Vpd_delta[3][0] |= (eeval & 0xF) << 2;

                        /* 4 words if numPdGains == 1 */
                }

                if (currCh->numPdGains > 2) {
                        /*
                         * Read the first NUM_POINTS_OTHER_PDGAINS pwr
                         * and Vpd values for pdgain_2
                         */
                        currCh->pwr_I[2] = (eeval >> 4) & dbm_I_mask;
                        currCh->Vpd_I[2] = (eeval >> 9) & Vpd_I_mask;
                        
                        EEREAD(idx++);
                        currCh->pwr_delta_t2[0][2] =
                                (eeval >> 0) & dbm_delta_mask;
                        currCh->Vpd_delta[0][2] = (eeval >> 4) & Vpd_delta_mask;
                        currCh->pwr_delta_t2[1][2] =
                                (eeval >> 10) & dbm_delta_mask;
                        currCh->Vpd_delta[1][2] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 4 bits */
                        currCh->Vpd_delta[1][2] |= (eeval & 0xF) << 2;
                        currCh->pwr_delta_t2[2][2] =
                                (eeval >> 4) & dbm_delta_mask;
                        currCh->Vpd_delta[2][2] = (eeval >> 8) & Vpd_delta_mask;
                } else if (currCh->numPdGains == 2) {
                        /*
                         * Read the last pwr and Vpd values for pdgain_1
                         */
                        currCh->pwr_delta_t2[3][1] =
                                (eeval >> 4) & dbm_delta_mask;
                        currCh->Vpd_delta[3][1] = (eeval >> 8) & Vpd_delta_mask;

                        /* 6 words if numPdGains == 2 */
                }

                if (currCh->numPdGains > 3) {
                        /*
                         * Read the first NUM_POINTS_OTHER_PDGAINS pwr
                         * and Vpd values for pdgain_3
                         */
                        currCh->pwr_I[3] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 3 bits */
                        currCh->pwr_I[3] |= ((eeval >> 0) & 0x7) << 2;
                        currCh->Vpd_I[3] = (eeval >> 3) & Vpd_I_mask;
                        currCh->pwr_delta_t2[0][3] =
                                (eeval >> 10) & dbm_delta_mask;
                        currCh->Vpd_delta[0][3] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 4 bits */
                        currCh->Vpd_delta[0][3] |= (eeval & 0xF) << 2;
                        currCh->pwr_delta_t2[1][3] =
                                (eeval >> 4) & dbm_delta_mask;
                        currCh->Vpd_delta[1][3] = (eeval >> 8) & Vpd_delta_mask;
                        currCh->pwr_delta_t2[2][3] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 2 bits */
                        currCh->pwr_delta_t2[2][3] |= ((eeval >> 0) & 0x3) << 2;
                        currCh->Vpd_delta[2][3] = (eeval >> 2) & Vpd_delta_mask;
                        currCh->pwr_delta_t2[3][3] =
                                (eeval >> 8) & dbm_delta_mask;
                        currCh->Vpd_delta[3][3] = (eeval >> 12) & 0xF;
                        
                        EEREAD(idx++);
                        /* upper 2 bits */
                        currCh->Vpd_delta[3][3] |= ((eeval >> 0) & 0x3) << 4;

                        /* 12 words if numPdGains == 4 */
                } else if (currCh->numPdGains == 3) {
                        /* read the last pwr and Vpd values for pdgain_2 */
                        currCh->pwr_delta_t2[3][2] = (eeval >> 14) & 0x3;
                        
                        EEREAD(idx++);
                        /* upper 2 bits */
                        currCh->pwr_delta_t2[3][2] |= ((eeval >> 0) & 0x3) << 2;
                        currCh->Vpd_delta[3][2] = (eeval >> 2) & Vpd_delta_mask;

                        /* 9 words if numPdGains == 3 */
                }
        }
        return AH_TRUE;
#undef EEREAD
}

static void
ar2413SetupRawDataset(RAW_DATA_STRUCT_2413 *pRaw, EEPROM_DATA_STRUCT_2413 *pCal)
{
        uint16_t i, j, kk, channelValue;
        uint16_t xpd_mask;
        uint16_t numPdGainsUsed;

        pRaw->numChannels = pCal->numChannels;

        xpd_mask = pRaw->xpd_mask;
        numPdGainsUsed = 0;
        if ((xpd_mask >> 0) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 1) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 2) & 0x1) numPdGainsUsed++;
        if ((xpd_mask >> 3) & 0x1) numPdGainsUsed++;

        for (i = 0; i < pCal->numChannels; i++) {
                channelValue = pCal->pChannels[i];

                pRaw->pChannels[i] = channelValue;

                pRaw->pDataPerChannel[i].channelValue = channelValue;
                pRaw->pDataPerChannel[i].numPdGains = numPdGainsUsed;

                kk = 0;
                for (j = 0; j < MAX_NUM_PDGAINS_PER_CHANNEL; j++) {
                        pRaw->pDataPerChannel[i].pDataPerPDGain[j].pd_gain = j;
                        if ((xpd_mask >> j) & 0x1) {
                                pRaw->pDataPerChannel[i].pDataPerPDGain[j].numVpd = NUM_POINTS_OTHER_PDGAINS;
                                kk++;
                                if (kk == 1) {
                                        /* 
                                         * lowest pd_gain corresponds
                                         *  to highest power and thus,
                                         *  has one more point
                                         */
                                        pRaw->pDataPerChannel[i].pDataPerPDGain[j].numVpd = NUM_POINTS_LAST_PDGAIN;
                                }
                        } else {
                                pRaw->pDataPerChannel[i].pDataPerPDGain[j].numVpd = 0;
                        }
                }
        }
}

static HAL_BOOL
ar2413EepromToRawDataset(struct ath_hal *ah,
        EEPROM_DATA_STRUCT_2413 *pCal, RAW_DATA_STRUCT_2413 *pRaw)
{
        uint16_t ii, jj, kk, ss;
        RAW_DATA_PER_PDGAIN_2413 *pRawXPD;
        /* ptr to array of info held per channel */
        EEPROM_DATA_PER_CHANNEL_2413 *pCalCh;
        uint16_t xgain_list[MAX_NUM_PDGAINS_PER_CHANNEL];
        uint16_t xpd_mask;
        uint32_t numPdGainsUsed;

        HALASSERT(pRaw->xpd_mask == pCal->xpd_mask);

        xgain_list[0] = 0xDEAD;
        xgain_list[1] = 0xDEAD;
        xgain_list[2] = 0xDEAD;
        xgain_list[3] = 0xDEAD;

        numPdGainsUsed = 0;
        xpd_mask = pRaw->xpd_mask;
        for (jj = 0; jj < MAX_NUM_PDGAINS_PER_CHANNEL; jj++) {
                if ((xpd_mask >> (MAX_NUM_PDGAINS_PER_CHANNEL-jj-1)) & 1)
                        xgain_list[numPdGainsUsed++] = MAX_NUM_PDGAINS_PER_CHANNEL-jj-1;
        }

        pRaw->numChannels = pCal->numChannels;
        for (ii = 0; ii < pRaw->numChannels; ii++) {
                pCalCh = &(pCal->pDataPerChannel[ii]);
                pRaw->pDataPerChannel[ii].channelValue = pCalCh->channelValue;

                /* numVpd has already been setup appropriately for the relevant pdGains */
                for (jj = 0; jj < numPdGainsUsed; jj++) {
                        /* use jj for calDataset and ss for rawDataset */
                        ss = xgain_list[jj];
                        pRawXPD = &(pRaw->pDataPerChannel[ii].pDataPerPDGain[ss]);
                        HALASSERT(pRawXPD->numVpd >= 1);

                        pRawXPD->pwr_t4[0] = (uint16_t)(4*pCalCh->pwr_I[jj]);
                        pRawXPD->Vpd[0]    = pCalCh->Vpd_I[jj];

                        for (kk = 1; kk < pRawXPD->numVpd; kk++) {
                                pRawXPD->pwr_t4[kk] = (int16_t)(pRawXPD->pwr_t4[kk-1] + 2*pCalCh->pwr_delta_t2[kk-1][jj]);
                                pRawXPD->Vpd[kk] = (uint16_t)(pRawXPD->Vpd[kk-1] + pCalCh->Vpd_delta[kk-1][jj]);
                        }
                        /* loop over Vpds */
                }
                /* loop over pd_gains */
        }
        /* loop over channels */
        return AH_TRUE;
}

static HAL_BOOL
readEepromRawPowerCalInfo2413(struct ath_hal *ah, HAL_EEPROM *ee)
{
        /* NB: index is 1 less than numPdgains */
        static const uint16_t wordsForPdgains[] = { 4, 6, 9, 12 };
        EEPROM_DATA_STRUCT_2413 *pCal = AH_NULL;
        RAW_DATA_STRUCT_2413 *pRaw;
        int numEEPROMWordsPerChannel;
        uint32_t off;
        HAL_BOOL ret = AH_FALSE;

        HALASSERT(ee->ee_version >= AR_EEPROM_VER5_0);
        HALASSERT(ee->ee_eepMap == 2);

        pCal = ath_hal_malloc(sizeof(EEPROM_DATA_STRUCT_2413));
        if (pCal == AH_NULL)
                goto exit;

        off = ee->ee_eepMap2PowerCalStart;
        if (ee->ee_Amode) {
                OS_MEMZERO(pCal, sizeof(EEPROM_DATA_STRUCT_2413));
                pCal->xpd_mask = ee->ee_xgain[headerInfo11A];
                if (!ar2413ReadCalDataset(ah, ee, pCal, off,
                        NUM_11A_EEPROM_CHANNELS_2413, headerInfo11A)) {
                        goto exit;
                }
                pRaw = &ee->ee_rawDataset2413[headerInfo11A];
                pRaw->xpd_mask = ee->ee_xgain[headerInfo11A];
                ar2413SetupRawDataset(pRaw, pCal);
                if (!ar2413EepromToRawDataset(ah, pCal, pRaw)) {
                        goto exit;
                }
                /* setup offsets for mode_11a next */
                numEEPROMWordsPerChannel = wordsForPdgains[
                        pCal->pDataPerChannel[0].numPdGains - 1];
                off += pCal->numChannels * numEEPROMWordsPerChannel + 5;
        }
        if (ee->ee_Bmode) {
                OS_MEMZERO(pCal, sizeof(EEPROM_DATA_STRUCT_2413));
                pCal->xpd_mask = ee->ee_xgain[headerInfo11B];
                if (!ar2413ReadCalDataset(ah, ee, pCal, off,
                        NUM_2_4_EEPROM_CHANNELS_2413 , headerInfo11B)) {
                        goto exit;
                }
                pRaw = &ee->ee_rawDataset2413[headerInfo11B];
                pRaw->xpd_mask = ee->ee_xgain[headerInfo11B];
                ar2413SetupRawDataset(pRaw, pCal);
                if (!ar2413EepromToRawDataset(ah, pCal, pRaw)) {
                        goto exit;
                }
                /* setup offsets for mode_11g next */
                numEEPROMWordsPerChannel = wordsForPdgains[
                        pCal->pDataPerChannel[0].numPdGains - 1];
                off += pCal->numChannels * numEEPROMWordsPerChannel + 2;
        }
        if (ee->ee_Gmode) {
                OS_MEMZERO(pCal, sizeof(EEPROM_DATA_STRUCT_2413));
                pCal->xpd_mask = ee->ee_xgain[headerInfo11G];
                if (!ar2413ReadCalDataset(ah, ee, pCal, off,
                        NUM_2_4_EEPROM_CHANNELS_2413, headerInfo11G)) {
                        goto exit;
                }
                pRaw = &ee->ee_rawDataset2413[headerInfo11G];
                pRaw->xpd_mask = ee->ee_xgain[headerInfo11G];
                ar2413SetupRawDataset(pRaw, pCal);
                if (!ar2413EepromToRawDataset(ah, pCal, pRaw)) {
                        goto exit;
                }
        }
        ret = AH_TRUE;
 exit:
        if (pCal != AH_NULL)
                ath_hal_free(pCal);
        return ret;
}

/*
 * Now copy EEPROM Raw Power Calibration per frequency contents 
 * into the allocated space
 */
static HAL_BOOL
readEepromRawPowerCalInfo(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        uint16_t eeval, nchan;
        uint32_t off;
        int i, j, mode;

        if (ee->ee_version >= AR_EEPROM_VER4_0 && ee->ee_eepMap == 1)
                return readEepromRawPowerCalInfo5112(ah, ee);
        if (ee->ee_version >= AR_EEPROM_VER5_0 && ee->ee_eepMap == 2)
                return readEepromRawPowerCalInfo2413(ah, ee);

        /*
         * Group 2:  read raw power data for all frequency piers
         *
         * NOTE: Group 2 contains the raw power calibration
         *       information for each of the channels that
         *       we recorded above.
         */
        for (mode = headerInfo11A; mode <= headerInfo11G; mode++) {
                uint16_t *pChannels = AH_NULL;
                DATA_PER_CHANNEL *pChannelData = AH_NULL;

                off = ee->ee_version >= AR_EEPROM_VER3_3 ? 
                        GROUPS_OFFSET3_3 : GROUPS_OFFSET3_2;
                switch (mode) {
                case headerInfo11A:
                        off             += GROUP2_OFFSET;
                        nchan           = ee->ee_numChannels11a;
                        pChannelData    = ee->ee_dataPerChannel11a;
                        pChannels       = ee->ee_channels11a;
                        break;
                case headerInfo11B:
                        if (!ee->ee_Bmode)
                                continue;
                        off             += GROUP3_OFFSET;
                        nchan           = ee->ee_numChannels2_4;
                        pChannelData    = ee->ee_dataPerChannel11b;
                        pChannels       = ee->ee_channels11b;
                        break;
                case headerInfo11G:
                        if (!ee->ee_Gmode)
                                continue;
                        off             += GROUP4_OFFSET;
                        nchan           = ee->ee_numChannels2_4;
                        pChannelData    = ee->ee_dataPerChannel11g;
                        pChannels       = ee->ee_channels11g;
                        break;
                default:
                        HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
                            __func__, mode);
                        return AH_FALSE;
                }
                for (i = 0; i < nchan; i++) {
                        pChannelData->channelValue = pChannels[i];

                        EEREAD(off++);
                        pChannelData->pcdacMax     = (uint16_t)((eeval >> 10) & PCDAC_MASK);
                        pChannelData->pcdacMin     = (uint16_t)((eeval >> 4) & PCDAC_MASK);
                        pChannelData->PwrValues[0] = (uint16_t)((eeval << 2) & POWER_MASK);

                        EEREAD(off++);
                        pChannelData->PwrValues[0] |= (uint16_t)((eeval >> 14) & 0x3);
                        pChannelData->PwrValues[1] = (uint16_t)((eeval >> 8) & POWER_MASK);
                        pChannelData->PwrValues[2] = (uint16_t)((eeval >> 2) & POWER_MASK);
                        pChannelData->PwrValues[3] = (uint16_t)((eeval << 4) & POWER_MASK);

                        EEREAD(off++);
                        pChannelData->PwrValues[3] |= (uint16_t)((eeval >> 12) & 0xf);
                        pChannelData->PwrValues[4] = (uint16_t)((eeval >> 6) & POWER_MASK);
                        pChannelData->PwrValues[5] = (uint16_t)(eeval  & POWER_MASK);

                        EEREAD(off++);
                        pChannelData->PwrValues[6] = (uint16_t)((eeval >> 10) & POWER_MASK);
                        pChannelData->PwrValues[7] = (uint16_t)((eeval >> 4) & POWER_MASK);
                        pChannelData->PwrValues[8] = (uint16_t)((eeval << 2) & POWER_MASK);

                        EEREAD(off++);
                        pChannelData->PwrValues[8] |= (uint16_t)((eeval >> 14) & 0x3);
                        pChannelData->PwrValues[9] = (uint16_t)((eeval >> 8) & POWER_MASK);
                        pChannelData->PwrValues[10] = (uint16_t)((eeval >> 2) & POWER_MASK);

                        getPcdacInterceptsFromPcdacMinMax(ee,
                                pChannelData->pcdacMin, pChannelData->pcdacMax,
                                pChannelData->PcdacValues) ;

                        for (j = 0; j < pChannelData->numPcdacValues; j++) {
                                pChannelData->PwrValues[j] = (uint16_t)(
                                        PWR_STEP * pChannelData->PwrValues[j]);
                                /* Note these values are scaled up. */
                        }
                        pChannelData++;
                }
        }
        return AH_TRUE;
#undef EEREAD
}

/*
 * Copy EEPROM Target Power Calbration per rate contents 
 * into the allocated space
 */
static HAL_BOOL
readEepromTargetPowerCalInfo(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        uint16_t eeval, enable24;
        uint32_t off;
        int i, mode, nchan;

        enable24 = ee->ee_Bmode || ee->ee_Gmode;
        for (mode = headerInfo11A; mode <= headerInfo11G; mode++) {
                TRGT_POWER_INFO *pPowerInfo;
                uint16_t *pNumTrgtChannels;

                off = ee->ee_version >= AR_EEPROM_VER4_0 ?
                                ee->ee_targetPowersStart - GROUP5_OFFSET :
                      ee->ee_version >= AR_EEPROM_VER3_3 ?
                                GROUPS_OFFSET3_3 : GROUPS_OFFSET3_2;
                switch (mode) {
                case headerInfo11A:
                        off += GROUP5_OFFSET;
                        nchan = NUM_TEST_FREQUENCIES;
                        pPowerInfo = ee->ee_trgtPwr_11a;
                        pNumTrgtChannels = &ee->ee_numTargetPwr_11a;
                        break;
                case headerInfo11B:
                        if (!enable24)
                                continue;
                        off += GROUP6_OFFSET;
                        nchan = 2;
                        pPowerInfo = ee->ee_trgtPwr_11b;
                        pNumTrgtChannels = &ee->ee_numTargetPwr_11b;
                        break;
                case headerInfo11G:
                        if (!enable24)
                                continue;
                        off += GROUP7_OFFSET;
                        nchan = 3;
                        pPowerInfo = ee->ee_trgtPwr_11g;
                        pNumTrgtChannels = &ee->ee_numTargetPwr_11g;
                        break;
                default:
                        HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
                            __func__, mode);
                        return AH_FALSE;
                }
                *pNumTrgtChannels = 0;
                for (i = 0; i < nchan; i++) {
                        EEREAD(off++);
                        if (ee->ee_version >= AR_EEPROM_VER3_3) {
                                pPowerInfo->testChannel = (eeval >> 8) & 0xff;
                        } else {
                                pPowerInfo->testChannel = (eeval >> 9) & 0x7f;
                        }

                        if (pPowerInfo->testChannel != 0) {
                                /* get the channel value and read rest of info */
                                if (mode == headerInfo11A) {
                                        pPowerInfo->testChannel = fbin2freq(ee, pPowerInfo->testChannel);
                                } else {
                                        pPowerInfo->testChannel = fbin2freq_2p4(ee, pPowerInfo->testChannel);
                                }

                                if (ee->ee_version >= AR_EEPROM_VER3_3) {
                                        pPowerInfo->twicePwr6_24 = (eeval >> 2) & POWER_MASK;
                                        pPowerInfo->twicePwr36   = (eeval << 4) & POWER_MASK;
                                } else {
                                        pPowerInfo->twicePwr6_24 = (eeval >> 3) & POWER_MASK;
                                        pPowerInfo->twicePwr36   = (eeval << 3) & POWER_MASK;
                                }

                                EEREAD(off++);
                                if (ee->ee_version >= AR_EEPROM_VER3_3) {
                                        pPowerInfo->twicePwr36 |= (eeval >> 12) & 0xf;
                                        pPowerInfo->twicePwr48 = (eeval >> 6) & POWER_MASK;
                                        pPowerInfo->twicePwr54 =  eeval & POWER_MASK;
                                } else {
                                        pPowerInfo->twicePwr36 |= (eeval >> 13) & 0x7;
                                        pPowerInfo->twicePwr48 = (eeval >> 7) & POWER_MASK;
                                        pPowerInfo->twicePwr54 = (eeval >> 1) & POWER_MASK;
                                }
                                (*pNumTrgtChannels)++;
                        }
                        pPowerInfo++;
                }
        }
        return AH_TRUE;
#undef EEREAD
}

/*
 * Now copy EEPROM Coformance Testing Limits contents 
 * into the allocated space
 */
static HAL_BOOL
readEepromCTLInfo(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        RD_EDGES_POWER *rep;
        uint16_t eeval;
        uint32_t off;
        int i, j;

        rep = ee->ee_rdEdgesPower;

        off = GROUP8_OFFSET +
                (ee->ee_version >= AR_EEPROM_VER4_0 ?
                        ee->ee_targetPowersStart - GROUP5_OFFSET :
                 ee->ee_version >= AR_EEPROM_VER3_3 ?
                        GROUPS_OFFSET3_3 : GROUPS_OFFSET3_2);
        for (i = 0; i < ee->ee_numCtls; i++) {
                if (ee->ee_ctl[i] == 0) {
                        /* Move offset and edges */
                        off += (ee->ee_version >= AR_EEPROM_VER3_3 ? 8 : 7);
                        rep += NUM_EDGES;
                        continue;
                }
                if (ee->ee_version >= AR_EEPROM_VER3_3) {
                        for (j = 0; j < NUM_EDGES; j += 2) {
                                EEREAD(off++);
                                rep[j].rdEdge = (eeval >> 8) & FREQ_MASK_3_3;
                                rep[j+1].rdEdge = eeval & FREQ_MASK_3_3;
                        }
                        for (j = 0; j < NUM_EDGES; j += 2) {
                                EEREAD(off++);
                                rep[j].twice_rdEdgePower = 
                                        (eeval >> 8) & POWER_MASK;
                                rep[j].flag = (eeval >> 14) & 1;
                                rep[j+1].twice_rdEdgePower = eeval & POWER_MASK;
                                rep[j+1].flag = (eeval >> 6) & 1;
                        }
                } else { 
                        EEREAD(off++);
                        rep[0].rdEdge = (eeval >> 9) & FREQ_MASK;
                        rep[1].rdEdge = (eeval >> 2) & FREQ_MASK;
                        rep[2].rdEdge = (eeval << 5) & FREQ_MASK;

                        EEREAD(off++);
                        rep[2].rdEdge |= (eeval >> 11) & 0x1f;
                        rep[3].rdEdge = (eeval >> 4) & FREQ_MASK;
                        rep[4].rdEdge = (eeval << 3) & FREQ_MASK;

                        EEREAD(off++);
                        rep[4].rdEdge |= (eeval >> 13) & 0x7;
                        rep[5].rdEdge = (eeval >> 6) & FREQ_MASK;
                        rep[6].rdEdge = (eeval << 1) & FREQ_MASK;

                        EEREAD(off++);
                        rep[6].rdEdge |= (eeval >> 15) & 0x1;
                        rep[7].rdEdge = (eeval >> 8) & FREQ_MASK;

                        rep[0].twice_rdEdgePower = (eeval >> 2) & POWER_MASK;
                        rep[1].twice_rdEdgePower = (eeval << 4) & POWER_MASK;

                        EEREAD(off++);
                        rep[1].twice_rdEdgePower |= (eeval >> 12) & 0xf;
                        rep[2].twice_rdEdgePower = (eeval >> 6) & POWER_MASK;
                        rep[3].twice_rdEdgePower = eeval & POWER_MASK;

                        EEREAD(off++);
                        rep[4].twice_rdEdgePower = (eeval >> 10) & POWER_MASK;
                        rep[5].twice_rdEdgePower = (eeval >> 4) & POWER_MASK;
                        rep[6].twice_rdEdgePower = (eeval << 2) & POWER_MASK;

                        EEREAD(off++);
                        rep[6].twice_rdEdgePower |= (eeval >> 14) & 0x3;
                        rep[7].twice_rdEdgePower = (eeval >> 8) & POWER_MASK;
                }

                for (j = 0; j < NUM_EDGES; j++ ) {
                        if (rep[j].rdEdge != 0 || rep[j].twice_rdEdgePower != 0) {
                                if ((ee->ee_ctl[i] & CTL_MODE_M) == CTL_11A ||
                                    (ee->ee_ctl[i] & CTL_MODE_M) == CTL_TURBO) {
                                        rep[j].rdEdge = fbin2freq(ee, rep[j].rdEdge);
                                } else {
                                        rep[j].rdEdge = fbin2freq_2p4(ee, rep[j].rdEdge);
                                }
                        }
                }
                rep += NUM_EDGES;
        }
        return AH_TRUE;
#undef EEREAD
}

/*
 * Read the individual header fields for a Rev 3 EEPROM
 */
static HAL_BOOL
readHeaderInfo(struct ath_hal *ah, HAL_EEPROM *ee)
{
#define EEREAD(_off) do {                               \
        if (!ath_hal_eepromRead(ah, _off, &eeval))      \
                return AH_FALSE;                        \
} while (0)
        static const uint32_t headerOffset3_0[] = {
                0x00C2, /* 0 - Mode bits, device type, max turbo power */
                0x00C4, /* 1 - 2.4 and 5 antenna gain */
                0x00C5, /* 2 - Begin 11A modal section */
                0x00D0, /* 3 - Begin 11B modal section */
                0x00DA, /* 4 - Begin 11G modal section */
                0x00E4  /* 5 - Begin CTL section */
        };
        static const uint32_t headerOffset3_3[] = {
                0x00C2, /* 0 - Mode bits, device type, max turbo power */
                0x00C3, /* 1 - 2.4 and 5 antenna gain */
                0x00D4, /* 2 - Begin 11A modal section */
                0x00F2, /* 3 - Begin 11B modal section */
                0x010D, /* 4 - Begin 11G modal section */
                0x0128  /* 5 - Begin CTL section */
        };

        static const uint32_t regCapOffsetPre4_0 = 0x00CF;
        static const uint32_t regCapOffsetPost4_0 = 0x00CA; 

        const uint32_t *header;
        uint32_t off;
        uint16_t eeval;
        int i;

        /* initialize cckOfdmGainDelta for < 4.2 eeprom */
        ee->ee_cckOfdmGainDelta = CCK_OFDM_GAIN_DELTA;
        ee->ee_scaledCh14FilterCckDelta = TENX_CH14_FILTER_CCK_DELTA_INIT;

        if (ee->ee_version >= AR_EEPROM_VER3_3) {
                header = headerOffset3_3;
                ee->ee_numCtls = NUM_CTLS_3_3;
        } else {
                header = headerOffset3_0;
                ee->ee_numCtls = NUM_CTLS;
        }
        HALASSERT(ee->ee_numCtls <= NUM_CTLS_MAX);

        EEREAD(header[0]);
        ee->ee_turbo5Disable    = (eeval >> 15) & 0x01;
        ee->ee_rfKill           = (eeval >> 14) & 0x01;
        ee->ee_deviceType       = (eeval >> 11) & 0x07;
        ee->ee_turbo2WMaxPower5 = (eeval >> 4) & 0x7F;
        if (ee->ee_version >= AR_EEPROM_VER4_0)
                ee->ee_turbo2Disable    = (eeval >> 3) & 0x01;
        else
                ee->ee_turbo2Disable    = 1;
        ee->ee_Gmode            = (eeval >> 2) & 0x01;
        ee->ee_Bmode            = (eeval >> 1) & 0x01;
        ee->ee_Amode            = (eeval & 0x01);

        off = header[1];
        EEREAD(off++);
        ee->ee_antennaGainMax[0] = (int8_t)((eeval >> 8) & 0xFF);
        ee->ee_antennaGainMax[1] = (int8_t)(eeval & 0xFF);
        if (ee->ee_version >= AR_EEPROM_VER4_0) {
                EEREAD(off++);
                ee->ee_eepMap            = (eeval>>14) & 0x3;
                ee->ee_disableXr5        = (eeval>>13) & 0x1;
                ee->ee_disableXr2        = (eeval>>12) & 0x1;
                ee->ee_earStart          = eeval & 0xfff;

                EEREAD(off++);
                ee->ee_targetPowersStart = eeval & 0xfff;
                ee->ee_exist32kHzCrystal = (eeval>>14) & 0x1;

                if (ee->ee_version >= AR_EEPROM_VER5_0) {
                        off += 2;
                        EEREAD(off);
                        ee->ee_eepMap2PowerCalStart = (eeval >> 4) & 0xfff;
                        /* Properly cal'ed 5.0 devices should be non-zero */
                }
        }

        /* Read the moded sections of the EEPROM header in the order A, B, G */
        for (i = headerInfo11A; i <= headerInfo11G; i++) {
                /* Set the offset via the index */
                off = header[2 + i];

                EEREAD(off++);
                ee->ee_switchSettling[i] = (eeval >> 8) & 0x7f;
                ee->ee_txrxAtten[i] = (eeval >> 2) & 0x3f;
                ee->ee_antennaControl[0][i] = (eeval << 4) & 0x3f;

                EEREAD(off++);
                ee->ee_antennaControl[0][i] |= (eeval >> 12) & 0x0f;
                ee->ee_antennaControl[1][i] = (eeval >> 6) & 0x3f;
                ee->ee_antennaControl[2][i] = eeval & 0x3f;

                EEREAD(off++);
                ee->ee_antennaControl[3][i] = (eeval >> 10)  & 0x3f;
                ee->ee_antennaControl[4][i] = (eeval >> 4)  & 0x3f;
                ee->ee_antennaControl[5][i] = (eeval << 2)  & 0x3f;

                EEREAD(off++);
                ee->ee_antennaControl[5][i] |= (eeval >> 14)  & 0x03;
                ee->ee_antennaControl[6][i] = (eeval >> 8)  & 0x3f;
                ee->ee_antennaControl[7][i] = (eeval >> 2)  & 0x3f;
                ee->ee_antennaControl[8][i] = (eeval << 4)  & 0x3f;

                EEREAD(off++);
                ee->ee_antennaControl[8][i] |= (eeval >> 12)  & 0x0f;
                ee->ee_antennaControl[9][i] = (eeval >> 6)  & 0x3f;
                ee->ee_antennaControl[10][i] = eeval & 0x3f;

                EEREAD(off++);
                ee->ee_adcDesiredSize[i] = (int8_t)((eeval >> 8)  & 0xff);
                switch (i) {
                case headerInfo11A:
                        ee->ee_ob4 = (eeval >> 5)  & 0x07;
                        ee->ee_db4 = (eeval >> 2)  & 0x07;
                        ee->ee_ob3 = (eeval << 1)  & 0x07;
                        break;
                case headerInfo11B:
                        ee->ee_obFor24 = (eeval >> 4)  & 0x07;
                        ee->ee_dbFor24 = eeval & 0x07;
                        break;
                case headerInfo11G:
                        ee->ee_obFor24g = (eeval >> 4)  & 0x07;
                        ee->ee_dbFor24g = eeval & 0x07;
                        break;
                }

                if (i == headerInfo11A) {
                        EEREAD(off++);
                        ee->ee_ob3 |= (eeval >> 15)  & 0x01;
                        ee->ee_db3 = (eeval >> 12)  & 0x07;
                        ee->ee_ob2 = (eeval >> 9)  & 0x07;
                        ee->ee_db2 = (eeval >> 6)  & 0x07;
                        ee->ee_ob1 = (eeval >> 3)  & 0x07;
                        ee->ee_db1 = eeval & 0x07;
                }

                EEREAD(off++);
                ee->ee_txEndToXLNAOn[i] = (eeval >> 8)  & 0xff;
                ee->ee_thresh62[i] = eeval & 0xff;

                EEREAD(off++);
                ee->ee_txEndToXPAOff[i] = (eeval >> 8)  & 0xff;
                ee->ee_txFrameToXPAOn[i] = eeval  & 0xff;

                EEREAD(off++);
                ee->ee_pgaDesiredSize[i] = (int8_t)((eeval >> 8)  & 0xff);
                ee->ee_noiseFloorThresh[i] = eeval  & 0xff;
                if (ee->ee_noiseFloorThresh[i] & 0x80) {
                        ee->ee_noiseFloorThresh[i] = 0 -
                                ((ee->ee_noiseFloorThresh[i] ^ 0xff) + 1);
                }

                EEREAD(off++);
                ee->ee_xlnaGain[i] = (eeval >> 5)  & 0xff;
                ee->ee_xgain[i] = (eeval >> 1)  & 0x0f;
                ee->ee_xpd[i] = eeval  & 0x01;
                if (ee->ee_version >= AR_EEPROM_VER4_0) {
                        switch (i) {
                        case headerInfo11A:
                                ee->ee_fixedBias5 = (eeval >> 13) & 0x1;
                                break;
                        case headerInfo11G:
                                ee->ee_fixedBias2 = (eeval >> 13) & 0x1;
                                break;
                        }
                }

                if (ee->ee_version >= AR_EEPROM_VER3_3) {
                        EEREAD(off++);
                        ee->ee_falseDetectBackoff[i] = (eeval >> 6) & 0x7F;
                        switch (i) {
                        case headerInfo11B:
                                ee->ee_ob2GHz[0] = eeval & 0x7;
                                ee->ee_db2GHz[0] = (eeval >> 3) & 0x7;
                                break;
                        case headerInfo11G:
                                ee->ee_ob2GHz[1] = eeval & 0x7;
                                ee->ee_db2GHz[1] = (eeval >> 3) & 0x7;
                                break;
                        case headerInfo11A:
                                ee->ee_xrTargetPower5 = eeval & 0x3f;
                                break;
                        }
                }
                if (ee->ee_version >= AR_EEPROM_VER3_4) {
                        ee->ee_gainI[i] = (eeval >> 13) & 0x07;

                        EEREAD(off++);
                        ee->ee_gainI[i] |= (eeval << 3) & 0x38;
                        if (i == headerInfo11G) {
                                ee->ee_cckOfdmPwrDelta = (eeval >> 3) & 0xFF;
                                if (ee->ee_version >= AR_EEPROM_VER4_6)
                                        ee->ee_scaledCh14FilterCckDelta =
                                                (eeval >> 11) & 0x1f;
                        }
                        if (i == headerInfo11A &&
                            ee->ee_version >= AR_EEPROM_VER4_0) {
                                ee->ee_iqCalI[0] = (eeval >> 8 ) & 0x3f;
                                ee->ee_iqCalQ[0] = (eeval >> 3 ) & 0x1f;
                        }
                } else {
                        ee->ee_gainI[i] = 10;
                        ee->ee_cckOfdmPwrDelta = TENX_OFDM_CCK_DELTA_INIT;
                }
                if (ee->ee_version >= AR_EEPROM_VER4_0) {
                        switch (i) {
                        case headerInfo11B:
                                EEREAD(off++);
                                ee->ee_calPier11b[0] =
                                        fbin2freq_2p4(ee, eeval&0xff);
                                ee->ee_calPier11b[1] =
                                        fbin2freq_2p4(ee, (eeval >> 8)&0xff);
                                EEREAD(off++);
                                ee->ee_calPier11b[2] =
                                        fbin2freq_2p4(ee, eeval&0xff);
                                if (ee->ee_version >= AR_EEPROM_VER4_1)
                                        ee->ee_rxtxMargin[headerInfo11B] =
                                                (eeval >> 8) & 0x3f;
                                break;
                        case headerInfo11G:
                                EEREAD(off++);
                                ee->ee_calPier11g[0] =
                                        fbin2freq_2p4(ee, eeval & 0xff);
                                ee->ee_calPier11g[1] =
                                        fbin2freq_2p4(ee, (eeval >> 8) & 0xff);

                                EEREAD(off++);
                                ee->ee_turbo2WMaxPower2 = eeval & 0x7F;
                                ee->ee_xrTargetPower2 = (eeval >> 7) & 0x3f;

                                EEREAD(off++);
                                ee->ee_calPier11g[2] =
                                        fbin2freq_2p4(ee, eeval & 0xff);
                                if (ee->ee_version >= AR_EEPROM_VER4_1)
                                         ee->ee_rxtxMargin[headerInfo11G] =
                                                (eeval >> 8) & 0x3f;

                                EEREAD(off++);
                                ee->ee_iqCalI[1] = (eeval >> 5) & 0x3F;
                                ee->ee_iqCalQ[1] = eeval & 0x1F;

                                if (ee->ee_version >= AR_EEPROM_VER4_2) {
                                        EEREAD(off++);
                                        ee->ee_cckOfdmGainDelta =
                                                (uint8_t)(eeval & 0xFF);
                                        if (ee->ee_version >= AR_EEPROM_VER5_0) {
                                                ee->ee_switchSettlingTurbo[1] =
                                                        (eeval >> 8) & 0x7f;
                                                ee->ee_txrxAttenTurbo[1] =
                                                        (eeval >> 15) & 0x1;
                                                EEREAD(off++);
                                                ee->ee_txrxAttenTurbo[1] |=
                                                        (eeval & 0x1F) << 1;
                                                ee->ee_rxtxMarginTurbo[1] =
                                                        (eeval >> 5) & 0x3F;
                                                ee->ee_adcDesiredSizeTurbo[1] =
                                                        (eeval >> 11) & 0x1F;
                                                EEREAD(off++);
                                                ee->ee_adcDesiredSizeTurbo[1] |=
                                                        (eeval & 0x7) << 5;
                                                ee->ee_pgaDesiredSizeTurbo[1] =
                                                        (eeval >> 3) & 0xFF;
                                        }
                                }
                                break;
                        case headerInfo11A:
                                if (ee->ee_version >= AR_EEPROM_VER4_1) {
                                        EEREAD(off++);
                                        ee->ee_rxtxMargin[headerInfo11A] =
                                                eeval & 0x3f;
                                        if (ee->ee_version >= AR_EEPROM_VER5_0) {
                                                ee->ee_switchSettlingTurbo[0] =
                                                        (eeval >> 6) & 0x7f;
                                                ee->ee_txrxAttenTurbo[0] =
                                                        (eeval >> 13) & 0x7;
                                                EEREAD(off++);
                                                ee->ee_txrxAttenTurbo[0] |=
                                                        (eeval & 0x7) << 3;
                                                ee->ee_rxtxMarginTurbo[0] =
                                                        (eeval >> 3) & 0x3F;
                                                ee->ee_adcDesiredSizeTurbo[0] =
                                                        (eeval >> 9) & 0x7F;
                                                EEREAD(off++);
                                                ee->ee_adcDesiredSizeTurbo[0] |=
                                                        (eeval & 0x1) << 7;
                                                ee->ee_pgaDesiredSizeTurbo[0] =
                                                        (eeval >> 1) & 0xFF;
                                        }
                                }
                                break;
                        }
                }
        }
        if (ee->ee_version < AR_EEPROM_VER3_3) {
                /* Version 3.1+ specific parameters */
                EEREAD(0xec);
                ee->ee_ob2GHz[0] = eeval & 0x7;
                ee->ee_db2GHz[0] = (eeval >> 3) & 0x7;

                EEREAD(0xed);
                ee->ee_ob2GHz[1] = eeval & 0x7;
                ee->ee_db2GHz[1] = (eeval >> 3) & 0x7;
        }

        /* Initialize corner cal (thermal tx gain adjust parameters) */
        ee->ee_cornerCal.clip = 4;
        ee->ee_cornerCal.pd90 = 1;
        ee->ee_cornerCal.pd84 = 1;
        ee->ee_cornerCal.gSel = 0;

        /*
        * Read the conformance test limit identifiers
        * These are used to match regulatory domain testing needs with
        * the RD-specific tests that have been calibrated in the EEPROM.
        */
        off = header[5];
        for (i = 0; i < ee->ee_numCtls; i += 2) {
                EEREAD(off++);
                ee->ee_ctl[i] = (eeval >> 8) & 0xff;
                ee->ee_ctl[i+1] = eeval & 0xff;
        }

        if (ee->ee_version < AR_EEPROM_VER5_3) {
                /* XXX only for 5413? */
                ee->ee_spurChans[0][1] = AR_SPUR_5413_1;
                ee->ee_spurChans[1][1] = AR_SPUR_5413_2;
                ee->ee_spurChans[2][1] = AR_NO_SPUR;
                ee->ee_spurChans[0][0] = AR_NO_SPUR;
        } else {
                /* Read spur mitigation data */
                for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
                        EEREAD(off);
                        ee->ee_spurChans[i][0] = eeval;
                        EEREAD(off+AR_EEPROM_MODAL_SPURS);
                        ee->ee_spurChans[i][1] = eeval;
                        off++;
                }
        }

        /* for recent changes to NF scale */
        if (ee->ee_version <= AR_EEPROM_VER3_2) {
                ee->ee_noiseFloorThresh[headerInfo11A] = -54;
                ee->ee_noiseFloorThresh[headerInfo11B] = -1;
                ee->ee_noiseFloorThresh[headerInfo11G] = -1;
        }
        /* to override thresh62 for better 2.4 and 5 operation */
        if (ee->ee_version <= AR_EEPROM_VER3_2) {
                ee->ee_thresh62[headerInfo11A] = 15;    /* 11A */
                ee->ee_thresh62[headerInfo11B] = 28;    /* 11B */
                ee->ee_thresh62[headerInfo11G] = 28;    /* 11G */
        }

        /* Check for regulatory capabilities */
        if (ee->ee_version >= AR_EEPROM_VER4_0) {
                EEREAD(regCapOffsetPost4_0);
        } else {
                EEREAD(regCapOffsetPre4_0);
        }

        ee->ee_regCap = eeval;

        if (ee->ee_Amode == 0) {
                /* Check for valid Amode in upgraded h/w */
                if (ee->ee_version >= AR_EEPROM_VER4_0) {
                        ee->ee_Amode = (ee->ee_regCap & AR_EEPROM_EEREGCAP_EN_KK_NEW_11A)?1:0;
                } else {
                        ee->ee_Amode = (ee->ee_regCap & AR_EEPROM_EEREGCAP_EN_KK_NEW_11A_PRE4_0)?1:0;
                }
        }

        if (ee->ee_version >= AR_EEPROM_VER5_1)
                EEREAD(AR_EEPROM_CAPABILITIES_OFFSET);
        else
                eeval = 0;
        ee->ee_opCap = eeval;

        EEREAD(AR_EEPROM_REG_DOMAIN);
        ee->ee_regdomain = eeval;

        return AH_TRUE;
#undef EEREAD
}

/*
 * Now verify and copy EEPROM contents into the allocated space
 */
static HAL_BOOL
legacyEepromReadContents(struct ath_hal *ah, HAL_EEPROM *ee)
{
        /* Read the header information here */
        if (!readHeaderInfo(ah, ee))
                return AH_FALSE;
#if 0
        /* Require 5112 devices to have EEPROM 4.0 EEP_MAP set */
        if (IS_5112(ah) && !ee->ee_eepMap) {
                HALDEBUG(ah, HAL_DEBUG_ANY,
                    "%s: 5112 devices must have EEPROM 4.0 with the "
                    "EEP_MAP set\n", __func__);
                return AH_FALSE;
        }
#endif
        /*
         * Group 1: frequency pier locations readback
         * check that the structure has been populated
         * with enough space to hold the channels
         *
         * NOTE: Group 1 contains the 5 GHz channel numbers
         *       that have dBm->pcdac calibrated information.
         */
        if (!readEepromFreqPierInfo(ah, ee))
                return AH_FALSE;

        /*
         * Group 2:  readback data for all frequency piers
         *
         * NOTE: Group 2 contains the raw power calibration
         *       information for each of the channels that we
         *       recorded above.
         */
        if (!readEepromRawPowerCalInfo(ah, ee))
                return AH_FALSE;

        /*
         * Group 5: target power values per rate
         *
         * NOTE: Group 5 contains the recorded maximum power
         *       in dB that can be attained for the given rate.
         */
        /* Read the power per rate info for test channels */
        if (!readEepromTargetPowerCalInfo(ah, ee))
                return AH_FALSE;

        /*
         * Group 8: Conformance Test Limits information
         *
         * NOTE: Group 8 contains the values to limit the
         *       maximum transmit power value based on any
         *       band edge violations.
         */
        /* Read the RD edge power limits */
        return readEepromCTLInfo(ah, ee);
}

static HAL_STATUS
legacyEepromGet(struct ath_hal *ah, int param, void *val)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
        uint8_t *macaddr;
        uint16_t eeval;
        uint32_t sum;
        int i;

        switch (param) {
        case AR_EEP_OPCAP:
                *(uint16_t *) val = ee->ee_opCap;
                return HAL_OK;
        case AR_EEP_REGDMN_0:
                *(uint16_t *) val = ee->ee_regdomain;
                return HAL_OK;
        case AR_EEP_RFSILENT:
                if (!ath_hal_eepromRead(ah, AR_EEPROM_RFSILENT, &eeval))
                        return HAL_EEREAD;
                *(uint16_t *) val = eeval;
                return HAL_OK;
        case AR_EEP_MACADDR:
                sum = 0;
                macaddr = val;
                for (i = 0; i < 3; i++) {
                        if (!ath_hal_eepromRead(ah, AR_EEPROM_MAC(2-i), &eeval)) {
                                HALDEBUG(ah, HAL_DEBUG_ANY,
                                    "%s: cannot read EEPROM location %u\n",
                                    __func__, i);
                                return HAL_EEREAD;
                        }
                        sum += eeval;
                        macaddr[2*i] = eeval >> 8;
                        macaddr[2*i + 1] = eeval & 0xff;
                }
                if (sum == 0 || sum == 0xffff*3) {
                        HALDEBUG(ah, HAL_DEBUG_ANY,
                            "%s: mac address read failed: %s\n", __func__,
                            ath_hal_ether_sprintf(macaddr));
                        return HAL_EEBADMAC;
                }
                return HAL_OK;
        case AR_EEP_RFKILL:
                HALASSERT(val == AH_NULL);
                return ee->ee_rfKill ? HAL_OK : HAL_EIO;
        case AR_EEP_AMODE:
                HALASSERT(val == AH_NULL);
                return ee->ee_Amode ? HAL_OK : HAL_EIO;
        case AR_EEP_BMODE:
                HALASSERT(val == AH_NULL);
                return ee->ee_Bmode ? HAL_OK : HAL_EIO;
        case AR_EEP_GMODE:
                HALASSERT(val == AH_NULL);
                return ee->ee_Gmode ? HAL_OK : HAL_EIO;
        case AR_EEP_TURBO5DISABLE:
                HALASSERT(val == AH_NULL);
                return ee->ee_turbo5Disable ? HAL_OK : HAL_EIO;
        case AR_EEP_TURBO2DISABLE:
                HALASSERT(val == AH_NULL);
                return ee->ee_turbo2Disable ? HAL_OK : HAL_EIO;
        case AR_EEP_ISTALON:            /* Talon detect */
                HALASSERT(val == AH_NULL);
                return (ee->ee_version >= AR_EEPROM_VER5_4 &&
                    ath_hal_eepromRead(ah, 0x0b, &eeval) && eeval == 1) ?
                        HAL_OK : HAL_EIO;
        case AR_EEP_32KHZCRYSTAL:
                HALASSERT(val == AH_NULL);
                return ee->ee_exist32kHzCrystal ? HAL_OK : HAL_EIO;
        case AR_EEP_COMPRESS:
                HALASSERT(val == AH_NULL);
                return (ee->ee_opCap & AR_EEPROM_EEPCAP_COMPRESS_DIS) == 0 ?
                    HAL_OK : HAL_EIO;
        case AR_EEP_FASTFRAME:
                HALASSERT(val == AH_NULL);
                return (ee->ee_opCap & AR_EEPROM_EEPCAP_FASTFRAME_DIS) == 0 ?
                    HAL_OK : HAL_EIO;
        case AR_EEP_AES:
                HALASSERT(val == AH_NULL);
                return (ee->ee_opCap & AR_EEPROM_EEPCAP_AES_DIS) == 0 ?
                    HAL_OK : HAL_EIO;
        case AR_EEP_BURST:
                HALASSERT(val == AH_NULL);
                return (ee->ee_opCap & AR_EEPROM_EEPCAP_BURST_DIS) == 0 ?
                    HAL_OK : HAL_EIO;
        case AR_EEP_MAXQCU:
                if (ee->ee_opCap & AR_EEPROM_EEPCAP_MAXQCU) {
                        *(uint16_t *) val =
                            MS(ee->ee_opCap, AR_EEPROM_EEPCAP_MAXQCU);
                        return HAL_OK;
                } else
                        return HAL_EIO;
        case AR_EEP_KCENTRIES:
                if (ee->ee_opCap & AR_EEPROM_EEPCAP_KC_ENTRIES) {
                        *(uint16_t *) val =
                            1 << MS(ee->ee_opCap, AR_EEPROM_EEPCAP_KC_ENTRIES);
                        return HAL_OK;
                } else
                        return HAL_EIO;
        case AR_EEP_ANTGAINMAX_5:
                *(int8_t *) val = ee->ee_antennaGainMax[0];
                return HAL_OK;
        case AR_EEP_ANTGAINMAX_2:
                *(int8_t *) val = ee->ee_antennaGainMax[1];
                return HAL_OK;
        case AR_EEP_WRITEPROTECT:
                HALASSERT(val == AH_NULL);
                return (ee->ee_protect & AR_EEPROM_PROTECT_WP_128_191) ?
                    HAL_OK : HAL_EIO;
        }
        return HAL_EINVAL;
}

static HAL_STATUS
legacyEepromSet(struct ath_hal *ah, int param, int v)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;

        switch (param) {
        case AR_EEP_AMODE:
                ee->ee_Amode = v;
                return HAL_OK;
        case AR_EEP_BMODE:
                ee->ee_Bmode = v;
                return HAL_OK;
        case AR_EEP_GMODE:
                ee->ee_Gmode = v;
                return HAL_OK;
        case AR_EEP_TURBO5DISABLE:
                ee->ee_turbo5Disable = v;
                return HAL_OK;
        case AR_EEP_TURBO2DISABLE:
                ee->ee_turbo2Disable = v;
                return HAL_OK;
        case AR_EEP_COMPRESS:
                if (v)
                        ee->ee_opCap &= ~AR_EEPROM_EEPCAP_COMPRESS_DIS;
                else
                        ee->ee_opCap |= AR_EEPROM_EEPCAP_COMPRESS_DIS;
                return HAL_OK;
        case AR_EEP_FASTFRAME:
                if (v)
                        ee->ee_opCap &= ~AR_EEPROM_EEPCAP_FASTFRAME_DIS;
                else
                        ee->ee_opCap |= AR_EEPROM_EEPCAP_FASTFRAME_DIS;
                return HAL_OK;
        case AR_EEP_AES:
                if (v)
                        ee->ee_opCap &= ~AR_EEPROM_EEPCAP_AES_DIS;
                else
                        ee->ee_opCap |= AR_EEPROM_EEPCAP_AES_DIS;
                return HAL_OK;
        case AR_EEP_BURST:
                if (v)
                        ee->ee_opCap &= ~AR_EEPROM_EEPCAP_BURST_DIS;
                else
                        ee->ee_opCap |= AR_EEPROM_EEPCAP_BURST_DIS;
                return HAL_OK;
        }
        return HAL_EINVAL;
}

static HAL_BOOL
legacyEepromDiag(struct ath_hal *ah, int request,
     const void *args, uint32_t argsize, void **result, uint32_t *resultsize)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
        const EEPROM_POWER_EXPN_5112 *pe;

        switch (request) {
        case HAL_DIAG_EEPROM:
                *result = ee;
                *resultsize = sizeof(*ee);
                return AH_TRUE;
        case HAL_DIAG_EEPROM_EXP_11A:
        case HAL_DIAG_EEPROM_EXP_11B:
        case HAL_DIAG_EEPROM_EXP_11G:
                pe = &ee->ee_modePowerArray5112[
                    request - HAL_DIAG_EEPROM_EXP_11A];
                *result = pe->pChannels;
                *resultsize = (*result == AH_NULL) ? 0 :
                        roundup(sizeof(uint16_t) * pe->numChannels,
                                sizeof(uint32_t)) +
                        sizeof(EXPN_DATA_PER_CHANNEL_5112) * pe->numChannels;
                return AH_TRUE;
        }
        return AH_FALSE;
}

static uint16_t
legacyEepromGetSpurChan(struct ath_hal *ah, int ix, HAL_BOOL is2GHz)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;

        HALASSERT(0 <= ix && ix < AR_EEPROM_MODAL_SPURS);
        return ee->ee_spurChans[ix][is2GHz];
}

/*
 * Reclaim any EEPROM-related storage.
 */
static void
legacyEepromDetach(struct ath_hal *ah)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;

        if (ee->ee_version >= AR_EEPROM_VER4_0 && ee->ee_eepMap == 1)
                freeEepromRawPowerCalInfo5112(ah, ee);
        ath_hal_free(ee);
        AH_PRIVATE(ah)->ah_eeprom = AH_NULL;
}

/*
 * These are not valid 2.4 channels, either we change 'em
 * or we need to change the coding to accept them.
 */
static const uint16_t channels11b[] = { 2412, 2447, 2484 };
static const uint16_t channels11g[] = { 2312, 2412, 2484 };

HAL_STATUS
ath_hal_legacyEepromAttach(struct ath_hal *ah)
{
        HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
        uint32_t sum, eepMax;
        uint16_t eeversion, eeprotect, eeval;
        u_int i;

        HALASSERT(ee == AH_NULL);

        if (!ath_hal_eepromRead(ah, AR_EEPROM_VERSION, &eeversion)) {
                HALDEBUG(ah, HAL_DEBUG_ANY,
                    "%s: unable to read EEPROM version\n", __func__);
                return HAL_EEREAD;
        }
        if (eeversion < AR_EEPROM_VER3) {
                HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unsupported EEPROM version "
                    "%u (0x%x) found\n", __func__, eeversion, eeversion);
                return HAL_EEVERSION;
        }

        if (!ath_hal_eepromRead(ah, AR_EEPROM_PROTECT, &eeprotect)) {
                HALDEBUG(ah, HAL_DEBUG_ANY, "%s: cannot read EEPROM protection "
                    "bits; read locked?\n", __func__);
                return HAL_EEREAD;
        }
        HALDEBUG(ah, HAL_DEBUG_ATTACH, "EEPROM protect 0x%x\n", eeprotect);
        /* XXX check proper access before continuing */

        /*
         * Read the Atheros EEPROM entries and calculate the checksum.
         */
        if (!ath_hal_eepromRead(ah, AR_EEPROM_SIZE_UPPER, &eeval)) {
                HALDEBUG(ah, HAL_DEBUG_ANY,
                    "%s: cannot read EEPROM upper size\n" , __func__);
                return HAL_EEREAD;
        }
        if (eeval != 0) {
                eepMax = (eeval & AR_EEPROM_SIZE_UPPER_MASK) <<
                        AR_EEPROM_SIZE_ENDLOC_SHIFT;
                if (!ath_hal_eepromRead(ah, AR_EEPROM_SIZE_LOWER, &eeval)) {
                        HALDEBUG(ah, HAL_DEBUG_ANY,
                            "%s: cannot read EEPROM lower size\n" , __func__);
                        return HAL_EEREAD;
                }
                eepMax = (eepMax | eeval) - AR_EEPROM_ATHEROS_BASE;
        } else
                eepMax = AR_EEPROM_ATHEROS_MAX;
        sum = 0;
        for (i = 0; i < eepMax; i++) {
                if (!ath_hal_eepromRead(ah, AR_EEPROM_ATHEROS(i), &eeval)) {
                        return HAL_EEREAD;
                }
                sum ^= eeval;
        }
        if (sum != 0xffff) {
                HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad EEPROM checksum 0x%x\n",
                    __func__, sum);
                return HAL_EEBADSUM;
        }

        ee = ath_hal_malloc(sizeof(HAL_EEPROM));
        if (ee == AH_NULL) {
                /* XXX message */
                return HAL_ENOMEM;
        }

        ee->ee_protect = eeprotect;
        ee->ee_version = eeversion;

        ee->ee_numChannels11a = NUM_11A_EEPROM_CHANNELS;
        ee->ee_numChannels2_4 = NUM_2_4_EEPROM_CHANNELS;

        for (i = 0; i < NUM_11A_EEPROM_CHANNELS; i ++)
                ee->ee_dataPerChannel11a[i].numPcdacValues = NUM_PCDAC_VALUES;

        /* the channel list for 2.4 is fixed, fill this in here */
        for (i = 0; i < NUM_2_4_EEPROM_CHANNELS; i++) {
                ee->ee_channels11b[i] = channels11b[i];
                /* XXX 5211 requires a hack though we don't support 11g */
                if (ah->ah_magic == 0x19570405)
                        ee->ee_channels11g[i] = channels11b[i];
                else
                        ee->ee_channels11g[i] = channels11g[i];
                ee->ee_dataPerChannel11b[i].numPcdacValues = NUM_PCDAC_VALUES;
                ee->ee_dataPerChannel11g[i].numPcdacValues = NUM_PCDAC_VALUES;
        }

        if (!legacyEepromReadContents(ah, ee)) {
                /* XXX message */
                ath_hal_free(ee);
                return HAL_EEREAD;      /* XXX */
        }

        AH_PRIVATE(ah)->ah_eeprom = ee;
        AH_PRIVATE(ah)->ah_eeversion = eeversion;
        AH_PRIVATE(ah)->ah_eepromDetach = legacyEepromDetach;
        AH_PRIVATE(ah)->ah_eepromGet = legacyEepromGet;
        AH_PRIVATE(ah)->ah_eepromSet = legacyEepromSet;
        AH_PRIVATE(ah)->ah_getSpurChan = legacyEepromGetSpurChan;
        AH_PRIVATE(ah)->ah_eepromDiag = legacyEepromDiag;
        return HAL_OK;
}