742 lines
22 KiB
C
742 lines
22 KiB
C
/*
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* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
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* Copyright (c) 2002-2008 Atheros Communications, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $FreeBSD$
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*/
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#include "opt_ah.h"
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#include "ah.h"
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#include "ah_internal.h"
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#include "ar5212/ar5212.h"
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#include "ar5212/ar5212reg.h"
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#include "ar5212/ar5212phy.h"
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#include "ah_eeprom_v3.h"
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#define AH_5212_2317
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#include "ar5212/ar5212.ini"
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#define N(a) (sizeof(a)/sizeof(a[0]))
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typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2317;
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typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2317;
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#define PWR_TABLE_SIZE_2317 PWR_TABLE_SIZE_2413
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struct ar2317State {
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RF_HAL_FUNCS base; /* public state, must be first */
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uint16_t pcdacTable[PWR_TABLE_SIZE_2317];
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uint32_t Bank1Data[N(ar5212Bank1_2317)];
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uint32_t Bank2Data[N(ar5212Bank2_2317)];
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uint32_t Bank3Data[N(ar5212Bank3_2317)];
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uint32_t Bank6Data[N(ar5212Bank6_2317)];
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uint32_t Bank7Data[N(ar5212Bank7_2317)];
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/*
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* Private state for reduced stack usage.
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*/
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/* filled out Vpd table for all pdGains (chanL) */
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uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL]
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[MAX_PWR_RANGE_IN_HALF_DB];
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/* filled out Vpd table for all pdGains (chanR) */
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uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL]
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[MAX_PWR_RANGE_IN_HALF_DB];
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/* filled out Vpd table for all pdGains (interpolated) */
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uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL]
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[MAX_PWR_RANGE_IN_HALF_DB];
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};
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#define AR2317(ah) ((struct ar2317State *) AH5212(ah)->ah_rfHal)
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extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32,
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uint32_t numBits, uint32_t firstBit, uint32_t column);
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static void
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ar2317WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex,
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int writes)
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{
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HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2317, modesIndex, writes);
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HAL_INI_WRITE_ARRAY(ah, ar5212Common_2317, 1, writes);
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HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2317, freqIndex, writes);
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}
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/*
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* Take the MHz channel value and set the Channel value
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*
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* ASSUMES: Writes enabled to analog bus
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*/
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static HAL_BOOL
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ar2317SetChannel(struct ath_hal *ah, const struct ieee80211_channel *chan)
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{
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uint16_t freq = ath_hal_gethwchannel(ah, chan);
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uint32_t channelSel = 0;
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uint32_t bModeSynth = 0;
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uint32_t aModeRefSel = 0;
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uint32_t reg32 = 0;
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OS_MARK(ah, AH_MARK_SETCHANNEL, freq);
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if (freq < 4800) {
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uint32_t txctl;
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channelSel = freq - 2272 ;
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channelSel = ath_hal_reverseBits(channelSel, 8);
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txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
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if (freq == 2484) {
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/* Enable channel spreading for channel 14 */
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OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
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txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
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} else {
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OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
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txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
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}
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} else if ((freq % 20) == 0 && freq >= 5120) {
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channelSel = ath_hal_reverseBits(
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((freq - 4800) / 20 << 2), 8);
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aModeRefSel = ath_hal_reverseBits(3, 2);
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} else if ((freq % 10) == 0) {
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channelSel = ath_hal_reverseBits(
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((freq - 4800) / 10 << 1), 8);
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aModeRefSel = ath_hal_reverseBits(2, 2);
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} else if ((freq % 5) == 0) {
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channelSel = ath_hal_reverseBits(
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(freq - 4800) / 5, 8);
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aModeRefSel = ath_hal_reverseBits(1, 2);
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} else {
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n",
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__func__, freq);
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return AH_FALSE;
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}
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reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) |
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(1 << 12) | 0x1;
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OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff);
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reg32 >>= 8;
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OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f);
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AH_PRIVATE(ah)->ah_curchan = chan;
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return AH_TRUE;
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}
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/*
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* Reads EEPROM header info from device structure and programs
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* all rf registers
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*
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* REQUIRES: Access to the analog rf device
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*/
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static HAL_BOOL
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ar2317SetRfRegs(struct ath_hal *ah,
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const struct ieee80211_channel *chan,
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uint16_t modesIndex, uint16_t *rfXpdGain)
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{
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#define RF_BANK_SETUP(_priv, _ix, _col) do { \
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int i; \
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for (i = 0; i < N(ar5212Bank##_ix##_2317); i++) \
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(_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2317[i][_col];\
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} while (0)
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struct ath_hal_5212 *ahp = AH5212(ah);
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const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
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uint16_t ob2GHz = 0, db2GHz = 0;
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struct ar2317State *priv = AR2317(ah);
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int regWrites = 0;
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HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n",
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__func__, chan->ic_freq, chan->ic_flags, modesIndex);
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HALASSERT(priv);
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/* Setup rf parameters */
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if (IEEE80211_IS_CHAN_B(chan)) {
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ob2GHz = ee->ee_obFor24;
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db2GHz = ee->ee_dbFor24;
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} else {
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ob2GHz = ee->ee_obFor24g;
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db2GHz = ee->ee_dbFor24g;
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}
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/* Bank 1 Write */
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RF_BANK_SETUP(priv, 1, 1);
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/* Bank 2 Write */
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RF_BANK_SETUP(priv, 2, modesIndex);
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/* Bank 3 Write */
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RF_BANK_SETUP(priv, 3, modesIndex);
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/* Bank 6 Write */
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RF_BANK_SETUP(priv, 6, modesIndex);
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ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 193, 0);
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ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 190, 0);
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/* Bank 7 Setup */
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RF_BANK_SETUP(priv, 7, modesIndex);
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/* Write Analog registers */
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HAL_INI_WRITE_BANK(ah, ar5212Bank1_2317, priv->Bank1Data, regWrites);
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HAL_INI_WRITE_BANK(ah, ar5212Bank2_2317, priv->Bank2Data, regWrites);
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HAL_INI_WRITE_BANK(ah, ar5212Bank3_2317, priv->Bank3Data, regWrites);
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HAL_INI_WRITE_BANK(ah, ar5212Bank6_2317, priv->Bank6Data, regWrites);
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HAL_INI_WRITE_BANK(ah, ar5212Bank7_2317, priv->Bank7Data, regWrites);
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/* Now that we have reprogrammed rfgain value, clear the flag. */
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ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE;
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return AH_TRUE;
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#undef RF_BANK_SETUP
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}
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/*
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* Return a reference to the requested RF Bank.
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*/
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static uint32_t *
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ar2317GetRfBank(struct ath_hal *ah, int bank)
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{
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struct ar2317State *priv = AR2317(ah);
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HALASSERT(priv != AH_NULL);
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switch (bank) {
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case 1: return priv->Bank1Data;
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case 2: return priv->Bank2Data;
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case 3: return priv->Bank3Data;
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case 6: return priv->Bank6Data;
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case 7: return priv->Bank7Data;
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}
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n",
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__func__, bank);
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return AH_NULL;
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}
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/*
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* Return indices surrounding the value in sorted integer lists.
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*
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* NB: the input list is assumed to be sorted in ascending order
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*/
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static void
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GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize,
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uint32_t *vlo, uint32_t *vhi)
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{
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int16_t target = v;
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const int16_t *ep = lp+listSize;
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const int16_t *tp;
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/*
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* Check first and last elements for out-of-bounds conditions.
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*/
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if (target < lp[0]) {
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*vlo = *vhi = 0;
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return;
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}
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if (target >= ep[-1]) {
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*vlo = *vhi = listSize - 1;
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return;
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}
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/* look for value being near or between 2 values in list */
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for (tp = lp; tp < ep; tp++) {
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/*
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* If value is close to the current value of the list
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* then target is not between values, it is one of the values
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*/
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if (*tp == target) {
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*vlo = *vhi = tp - (const int16_t *) lp;
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return;
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}
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/*
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* Look for value being between current value and next value
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* if so return these 2 values
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*/
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if (target < tp[1]) {
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*vlo = tp - (const int16_t *) lp;
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*vhi = *vlo + 1;
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return;
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}
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}
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}
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/*
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* Fill the Vpdlist for indices Pmax-Pmin
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*/
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static HAL_BOOL
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ar2317FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax,
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const int16_t *pwrList, const int16_t *VpdList,
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uint16_t numIntercepts, uint16_t retVpdList[][64])
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{
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uint16_t ii, jj, kk;
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int16_t currPwr = (int16_t)(2*Pmin);
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/* since Pmin is pwr*2 and pwrList is 4*pwr */
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uint32_t idxL, idxR;
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ii = 0;
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jj = 0;
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if (numIntercepts < 2)
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return AH_FALSE;
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while (ii <= (uint16_t)(Pmax - Pmin)) {
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GetLowerUpperIndex(currPwr, pwrList, numIntercepts,
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&(idxL), &(idxR));
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if (idxR < 1)
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idxR = 1; /* extrapolate below */
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if (idxL == (uint32_t)(numIntercepts - 1))
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idxL = numIntercepts - 2; /* extrapolate above */
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if (pwrList[idxL] == pwrList[idxR])
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kk = VpdList[idxL];
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else
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kk = (uint16_t)
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(((currPwr - pwrList[idxL])*VpdList[idxR]+
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(pwrList[idxR] - currPwr)*VpdList[idxL])/
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(pwrList[idxR] - pwrList[idxL]));
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retVpdList[pdGainIdx][ii] = kk;
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ii++;
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currPwr += 2; /* half dB steps */
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}
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return AH_TRUE;
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}
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/*
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* Returns interpolated or the scaled up interpolated value
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*/
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static int16_t
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interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight,
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int16_t targetLeft, int16_t targetRight)
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{
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int16_t rv;
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if (srcRight != srcLeft) {
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rv = ((target - srcLeft)*targetRight +
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(srcRight - target)*targetLeft) / (srcRight - srcLeft);
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} else {
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rv = targetLeft;
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}
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return rv;
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}
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/*
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* Uses the data points read from EEPROM to reconstruct the pdadc power table
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* Called by ar2317SetPowerTable()
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*/
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static int
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ar2317getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel,
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const RAW_DATA_STRUCT_2317 *pRawDataset,
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uint16_t pdGainOverlap_t2,
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int16_t *pMinCalPower, uint16_t pPdGainBoundaries[],
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uint16_t pPdGainValues[], uint16_t pPDADCValues[])
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{
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struct ar2317State *priv = AR2317(ah);
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#define VpdTable_L priv->vpdTable_L
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#define VpdTable_R priv->vpdTable_R
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#define VpdTable_I priv->vpdTable_I
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/* XXX excessive stack usage? */
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uint32_t ii, jj, kk;
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int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */
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uint32_t idxL, idxR;
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uint32_t numPdGainsUsed = 0;
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/*
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* If desired to support -ve power levels in future, just
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* change pwr_I_0 to signed 5-bits.
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*/
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int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
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/* to accommodate -ve power levels later on. */
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int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
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/* to accommodate -ve power levels later on */
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uint16_t numVpd = 0;
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uint16_t Vpd_step;
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int16_t tmpVal ;
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uint32_t sizeCurrVpdTable, maxIndex, tgtIndex;
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/* Get upper lower index */
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GetLowerUpperIndex(channel, pRawDataset->pChannels,
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pRawDataset->numChannels, &(idxL), &(idxR));
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for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
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jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
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/* work backwards 'cause highest pdGain for lowest power */
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numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd;
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if (numVpd > 0) {
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pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain;
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Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0];
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if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) {
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Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0];
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}
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Pmin_t2[numPdGainsUsed] = (int16_t)
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(Pmin_t2[numPdGainsUsed] / 2);
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Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1];
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if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1])
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Pmax_t2[numPdGainsUsed] =
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pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1];
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Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2);
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ar2317FillVpdTable(
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numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
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&(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]),
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&(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L
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);
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ar2317FillVpdTable(
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numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
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&(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]),
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&(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R
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);
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for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) {
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VpdTable_I[numPdGainsUsed][kk] =
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interpolate_signed(
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channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR],
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(int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]);
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}
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/* fill VpdTable_I for this pdGain */
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numPdGainsUsed++;
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}
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/* if this pdGain is used */
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}
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*pMinCalPower = Pmin_t2[0];
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kk = 0; /* index for the final table */
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for (ii = 0; ii < numPdGainsUsed; ii++) {
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if (ii == (numPdGainsUsed - 1))
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pPdGainBoundaries[ii] = Pmax_t2[ii] +
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PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB;
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else
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pPdGainBoundaries[ii] = (uint16_t)
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((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 );
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if (pPdGainBoundaries[ii] > 63) {
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HALDEBUG(ah, HAL_DEBUG_ANY,
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"%s: clamp pPdGainBoundaries[%d] %d\n",
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__func__, ii, pPdGainBoundaries[ii]);/*XXX*/
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pPdGainBoundaries[ii] = 63;
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}
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/* Find starting index for this pdGain */
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if (ii == 0)
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ss = 0; /* for the first pdGain, start from index 0 */
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else
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ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) -
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pdGainOverlap_t2;
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Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]);
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Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
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|
/*
|
|
*-ve ss indicates need to extrapolate data below for this pdGain
|
|
*/
|
|
while (ss < 0) {
|
|
tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step);
|
|
pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal);
|
|
ss++;
|
|
}
|
|
|
|
sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii];
|
|
tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii];
|
|
maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
|
|
|
|
while (ss < (int16_t)maxIndex)
|
|
pPDADCValues[kk++] = VpdTable_I[ii][ss++];
|
|
|
|
Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] -
|
|
VpdTable_I[ii][sizeCurrVpdTable-2]);
|
|
Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
|
|
/*
|
|
* for last gain, pdGainBoundary == Pmax_t2, so will
|
|
* have to extrapolate
|
|
*/
|
|
if (tgtIndex > maxIndex) { /* need to extrapolate above */
|
|
while(ss < (int16_t)tgtIndex) {
|
|
tmpVal = (uint16_t)
|
|
(VpdTable_I[ii][sizeCurrVpdTable-1] +
|
|
(ss-maxIndex)*Vpd_step);
|
|
pPDADCValues[kk++] = (tmpVal > 127) ?
|
|
127 : tmpVal;
|
|
ss++;
|
|
}
|
|
} /* extrapolated above */
|
|
} /* for all pdGainUsed */
|
|
|
|
while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) {
|
|
pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1];
|
|
ii++;
|
|
}
|
|
while (kk < 128) {
|
|
pPDADCValues[kk] = pPDADCValues[kk-1];
|
|
kk++;
|
|
}
|
|
|
|
return numPdGainsUsed;
|
|
#undef VpdTable_L
|
|
#undef VpdTable_R
|
|
#undef VpdTable_I
|
|
}
|
|
|
|
static HAL_BOOL
|
|
ar2317SetPowerTable(struct ath_hal *ah,
|
|
int16_t *minPower, int16_t *maxPower,
|
|
const struct ieee80211_channel *chan,
|
|
uint16_t *rfXpdGain)
|
|
{
|
|
struct ath_hal_5212 *ahp = AH5212(ah);
|
|
const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
|
|
const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
|
|
uint16_t pdGainOverlap_t2;
|
|
int16_t minCalPower2317_t2;
|
|
uint16_t *pdadcValues = ahp->ah_pcdacTable;
|
|
uint16_t gainBoundaries[4];
|
|
uint32_t reg32, regoffset;
|
|
int i, numPdGainsUsed;
|
|
#ifndef AH_USE_INIPDGAIN
|
|
uint32_t tpcrg1;
|
|
#endif
|
|
|
|
HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n",
|
|
__func__, chan->ic_freq, chan->ic_flags);
|
|
|
|
if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
|
|
pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
|
|
else if (IEEE80211_IS_CHAN_B(chan))
|
|
pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
|
|
else {
|
|
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__);
|
|
return AH_FALSE;
|
|
}
|
|
|
|
pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5),
|
|
AR_PHY_TPCRG5_PD_GAIN_OVERLAP);
|
|
|
|
numPdGainsUsed = ar2317getGainBoundariesAndPdadcsForPowers(ah,
|
|
chan->channel, pRawDataset, pdGainOverlap_t2,
|
|
&minCalPower2317_t2,gainBoundaries, rfXpdGain, pdadcValues);
|
|
HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3);
|
|
|
|
#ifdef AH_USE_INIPDGAIN
|
|
/*
|
|
* Use pd_gains curve from eeprom; Atheros always uses
|
|
* the default curve from the ini file but some vendors
|
|
* (e.g. Zcomax) want to override this curve and not
|
|
* honoring their settings results in tx power 5dBm low.
|
|
*/
|
|
OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
|
|
(pRawDataset->pDataPerChannel[0].numPdGains - 1));
|
|
#else
|
|
tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1);
|
|
tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN)
|
|
| SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN);
|
|
switch (numPdGainsUsed) {
|
|
case 3:
|
|
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3;
|
|
tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3);
|
|
/* fall thru... */
|
|
case 2:
|
|
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2;
|
|
tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2);
|
|
/* fall thru... */
|
|
case 1:
|
|
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1;
|
|
tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1);
|
|
break;
|
|
}
|
|
#ifdef AH_DEBUG
|
|
if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1))
|
|
HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default "
|
|
"pd_gains (default 0x%x, calculated 0x%x)\n",
|
|
__func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1);
|
|
#endif
|
|
OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1);
|
|
#endif
|
|
|
|
/*
|
|
* Note the pdadc table may not start at 0 dBm power, could be
|
|
* negative or greater than 0. Need to offset the power
|
|
* values by the amount of minPower for griffin
|
|
*/
|
|
if (minCalPower2317_t2 != 0)
|
|
ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2317_t2);
|
|
else
|
|
ahp->ah_txPowerIndexOffset = 0;
|
|
|
|
/* Finally, write the power values into the baseband power table */
|
|
regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */
|
|
for (i = 0; i < 32; i++) {
|
|
reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) |
|
|
((pdadcValues[4*i + 1] & 0xFF) << 8) |
|
|
((pdadcValues[4*i + 2] & 0xFF) << 16) |
|
|
((pdadcValues[4*i + 3] & 0xFF) << 24) ;
|
|
OS_REG_WRITE(ah, regoffset, reg32);
|
|
regoffset += 4;
|
|
}
|
|
|
|
OS_REG_WRITE(ah, AR_PHY_TPCRG5,
|
|
SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
|
|
SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
|
|
SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
|
|
SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
|
|
SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
|
|
|
|
return AH_TRUE;
|
|
}
|
|
|
|
static int16_t
|
|
ar2317GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
|
|
{
|
|
uint32_t ii,jj;
|
|
uint16_t Pmin=0,numVpd;
|
|
|
|
for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
|
|
jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
|
|
/* work backwards 'cause highest pdGain for lowest power */
|
|
numVpd = data->pDataPerPDGain[jj].numVpd;
|
|
if (numVpd > 0) {
|
|
Pmin = data->pDataPerPDGain[jj].pwr_t4[0];
|
|
return(Pmin);
|
|
}
|
|
}
|
|
return(Pmin);
|
|
}
|
|
|
|
static int16_t
|
|
ar2317GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
|
|
{
|
|
uint32_t ii;
|
|
uint16_t Pmax=0,numVpd;
|
|
uint16_t vpdmax;
|
|
|
|
for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
|
|
/* work forwards cuase lowest pdGain for highest power */
|
|
numVpd = data->pDataPerPDGain[ii].numVpd;
|
|
if (numVpd > 0) {
|
|
Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1];
|
|
vpdmax = data->pDataPerPDGain[ii].Vpd[numVpd-1];
|
|
return(Pmax);
|
|
}
|
|
}
|
|
return(Pmax);
|
|
}
|
|
|
|
static HAL_BOOL
|
|
ar2317GetChannelMaxMinPower(struct ath_hal *ah,
|
|
const struct ieee80211_channel *chan,
|
|
int16_t *maxPow, int16_t *minPow)
|
|
{
|
|
uint16_t freq = chan->ic_freq; /* NB: never mapped */
|
|
const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
|
|
const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
|
|
const RAW_DATA_PER_CHANNEL_2317 *data=AH_NULL;
|
|
uint16_t numChannels;
|
|
int totalD,totalF, totalMin,last, i;
|
|
|
|
*maxPow = 0;
|
|
|
|
if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
|
|
pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
|
|
else if (IEEE80211_IS_CHAN_B(chan))
|
|
pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
|
|
else
|
|
return(AH_FALSE);
|
|
|
|
numChannels = pRawDataset->numChannels;
|
|
data = pRawDataset->pDataPerChannel;
|
|
|
|
/* Make sure the channel is in the range of the TP values
|
|
* (freq piers)
|
|
*/
|
|
if (numChannels < 1)
|
|
return(AH_FALSE);
|
|
|
|
if ((freq < data[0].channelValue) ||
|
|
(freq > data[numChannels-1].channelValue)) {
|
|
if (freq < data[0].channelValue) {
|
|
*maxPow = ar2317GetMaxPower(ah, &data[0]);
|
|
*minPow = ar2317GetMinPower(ah, &data[0]);
|
|
return(AH_TRUE);
|
|
} else {
|
|
*maxPow = ar2317GetMaxPower(ah, &data[numChannels - 1]);
|
|
*minPow = ar2317GetMinPower(ah, &data[numChannels - 1]);
|
|
return(AH_TRUE);
|
|
}
|
|
}
|
|
|
|
/* Linearly interpolate the power value now */
|
|
for (last=0,i=0; (i<numChannels) && (freq > data[i].channelValue);
|
|
last = i++);
|
|
totalD = data[i].channelValue - data[last].channelValue;
|
|
if (totalD > 0) {
|
|
totalF = ar2317GetMaxPower(ah, &data[i]) - ar2317GetMaxPower(ah, &data[last]);
|
|
*maxPow = (int8_t) ((totalF*(freq-data[last].channelValue) +
|
|
ar2317GetMaxPower(ah, &data[last])*totalD)/totalD);
|
|
totalMin = ar2317GetMinPower(ah, &data[i]) - ar2317GetMinPower(ah, &data[last]);
|
|
*minPow = (int8_t) ((totalMin*(freq-data[last].channelValue) +
|
|
ar2317GetMinPower(ah, &data[last])*totalD)/totalD);
|
|
return(AH_TRUE);
|
|
} else {
|
|
if (freq == data[i].channelValue) {
|
|
*maxPow = ar2317GetMaxPower(ah, &data[i]);
|
|
*minPow = ar2317GetMinPower(ah, &data[i]);
|
|
return(AH_TRUE);
|
|
} else
|
|
return(AH_FALSE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Free memory for analog bank scratch buffers
|
|
*/
|
|
static void
|
|
ar2317RfDetach(struct ath_hal *ah)
|
|
{
|
|
struct ath_hal_5212 *ahp = AH5212(ah);
|
|
|
|
HALASSERT(ahp->ah_rfHal != AH_NULL);
|
|
ath_hal_free(ahp->ah_rfHal);
|
|
ahp->ah_rfHal = AH_NULL;
|
|
}
|
|
|
|
/*
|
|
* Allocate memory for analog bank scratch buffers
|
|
* Scratch Buffer will be reinitialized every reset so no need to zero now
|
|
*/
|
|
static HAL_BOOL
|
|
ar2317RfAttach(struct ath_hal *ah, HAL_STATUS *status)
|
|
{
|
|
struct ath_hal_5212 *ahp = AH5212(ah);
|
|
struct ar2317State *priv;
|
|
|
|
HALASSERT(ah->ah_magic == AR5212_MAGIC);
|
|
|
|
HALASSERT(ahp->ah_rfHal == AH_NULL);
|
|
priv = ath_hal_malloc(sizeof(struct ar2317State));
|
|
if (priv == AH_NULL) {
|
|
HALDEBUG(ah, HAL_DEBUG_ANY,
|
|
"%s: cannot allocate private state\n", __func__);
|
|
*status = HAL_ENOMEM; /* XXX */
|
|
return AH_FALSE;
|
|
}
|
|
priv->base.rfDetach = ar2317RfDetach;
|
|
priv->base.writeRegs = ar2317WriteRegs;
|
|
priv->base.getRfBank = ar2317GetRfBank;
|
|
priv->base.setChannel = ar2317SetChannel;
|
|
priv->base.setRfRegs = ar2317SetRfRegs;
|
|
priv->base.setPowerTable = ar2317SetPowerTable;
|
|
priv->base.getChannelMaxMinPower = ar2317GetChannelMaxMinPower;
|
|
priv->base.getNfAdjust = ar5212GetNfAdjust;
|
|
|
|
ahp->ah_pcdacTable = priv->pcdacTable;
|
|
ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable);
|
|
ahp->ah_rfHal = &priv->base;
|
|
|
|
return AH_TRUE;
|
|
}
|
|
|
|
static HAL_BOOL
|
|
ar2317Probe(struct ath_hal *ah)
|
|
{
|
|
return IS_2317(ah);
|
|
}
|
|
AH_RF(RF2317, ar2317Probe, ar2317RfAttach);
|