Commit f1dc5600 authored by Sujith's avatar Sujith Committed by John W. Linville

ath9k: Refactor hw.c

Split hw.c into more manageable files:
   ani.c
   calib.c
   eeprom.c
   mac.c
Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5640b08e
ath9k-y += hw.o \ ath9k-y += hw.o \
eeprom.o \
mac.o \
calib.o \
ani.o \
phy.o \ phy.o \
regd.o \ regd.o \
beacon.o \ beacon.o \
......
/*
* Copyright (c) 2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include "hw.h"
#include "reg.h"
#include "phy.h"
static int ath9k_hw_get_ani_channel_idx(struct ath_hal *ah,
struct ath9k_channel *chan)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < ARRAY_SIZE(ahp->ah_ani); i++) {
if (ahp->ah_ani[i].c.channel == chan->channel)
return i;
if (ahp->ah_ani[i].c.channel == 0) {
ahp->ah_ani[i].c.channel = chan->channel;
ahp->ah_ani[i].c.channelFlags = chan->channelFlags;
return i;
}
}
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"No more channel states left. Using channel 0\n");
return 0;
}
static bool ath9k_hw_ani_control(struct ath_hal *ah,
enum ath9k_ani_cmd cmd, int param)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState = ahp->ah_curani;
switch (cmd & ahp->ah_ani_function) {
case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
u32 level = param;
if (level >= ARRAY_SIZE(ahp->ah_totalSizeDesired)) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: level out of range (%u > %u)\n",
__func__, level,
(unsigned)ARRAY_SIZE(ahp->ah_totalSizeDesired));
return false;
}
REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
AR_PHY_DESIRED_SZ_TOT_DES,
ahp->ah_totalSizeDesired[level]);
REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
AR_PHY_AGC_CTL1_COARSE_LOW,
ahp->ah_coarseLow[level]);
REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
AR_PHY_AGC_CTL1_COARSE_HIGH,
ahp->ah_coarseHigh[level]);
REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
AR_PHY_FIND_SIG_FIRPWR,
ahp->ah_firpwr[level]);
if (level > aniState->noiseImmunityLevel)
ahp->ah_stats.ast_ani_niup++;
else if (level < aniState->noiseImmunityLevel)
ahp->ah_stats.ast_ani_nidown++;
aniState->noiseImmunityLevel = level;
break;
}
case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
const int m1ThreshLow[] = { 127, 50 };
const int m2ThreshLow[] = { 127, 40 };
const int m1Thresh[] = { 127, 0x4d };
const int m2Thresh[] = { 127, 0x40 };
const int m2CountThr[] = { 31, 16 };
const int m2CountThrLow[] = { 63, 48 };
u32 on = param ? 1 : 0;
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
m1ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
m2ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M1_THRESH,
m1Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2_THRESH,
m2Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2COUNT_THR,
m2CountThr[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
m2CountThrLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
m1ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
m2ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH,
m1Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH,
m2Thresh[on]);
if (on)
REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
else
REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
if (!on != aniState->ofdmWeakSigDetectOff) {
if (on)
ahp->ah_stats.ast_ani_ofdmon++;
else
ahp->ah_stats.ast_ani_ofdmoff++;
aniState->ofdmWeakSigDetectOff = !on;
}
break;
}
case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
const int weakSigThrCck[] = { 8, 6 };
u32 high = param ? 1 : 0;
REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
weakSigThrCck[high]);
if (high != aniState->cckWeakSigThreshold) {
if (high)
ahp->ah_stats.ast_ani_cckhigh++;
else
ahp->ah_stats.ast_ani_ccklow++;
aniState->cckWeakSigThreshold = high;
}
break;
}
case ATH9K_ANI_FIRSTEP_LEVEL:{
const int firstep[] = { 0, 4, 8 };
u32 level = param;
if (level >= ARRAY_SIZE(firstep)) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: level out of range (%u > %u)\n",
__func__, level,
(unsigned) ARRAY_SIZE(firstep));
return false;
}
REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
AR_PHY_FIND_SIG_FIRSTEP,
firstep[level]);
if (level > aniState->firstepLevel)
ahp->ah_stats.ast_ani_stepup++;
else if (level < aniState->firstepLevel)
ahp->ah_stats.ast_ani_stepdown++;
aniState->firstepLevel = level;
break;
}
case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
const int cycpwrThr1[] =
{ 2, 4, 6, 8, 10, 12, 14, 16 };
u32 level = param;
if (level >= ARRAY_SIZE(cycpwrThr1)) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: level out of range (%u > %u)\n",
__func__, level,
(unsigned)
ARRAY_SIZE(cycpwrThr1));
return false;
}
REG_RMW_FIELD(ah, AR_PHY_TIMING5,
AR_PHY_TIMING5_CYCPWR_THR1,
cycpwrThr1[level]);
if (level > aniState->spurImmunityLevel)
ahp->ah_stats.ast_ani_spurup++;
else if (level < aniState->spurImmunityLevel)
ahp->ah_stats.ast_ani_spurdown++;
aniState->spurImmunityLevel = level;
break;
}
case ATH9K_ANI_PRESENT:
break;
default:
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: invalid cmd %u\n", __func__, cmd);
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "%s: ANI parameters:\n", __func__);
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"noiseImmunityLevel=%d, spurImmunityLevel=%d, "
"ofdmWeakSigDetectOff=%d\n",
aniState->noiseImmunityLevel, aniState->spurImmunityLevel,
!aniState->ofdmWeakSigDetectOff);
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"cckWeakSigThreshold=%d, "
"firstepLevel=%d, listenTime=%d\n",
aniState->cckWeakSigThreshold, aniState->firstepLevel,
aniState->listenTime);
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
aniState->cycleCount, aniState->ofdmPhyErrCount,
aniState->cckPhyErrCount);
return true;
}
static void ath9k_hw_update_mibstats(struct ath_hal *ah,
struct ath9k_mib_stats *stats)
{
stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL);
stats->rts_bad += REG_READ(ah, AR_RTS_FAIL);
stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL);
stats->rts_good += REG_READ(ah, AR_RTS_OK);
stats->beacons += REG_READ(ah, AR_BEACON_CNT);
}
static void ath9k_ani_restart(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState;
if (!DO_ANI(ah))
return;
aniState = ahp->ah_curani;
aniState->listenTime = 0;
if (ahp->ah_hasHwPhyCounters) {
if (aniState->ofdmTrigHigh > AR_PHY_COUNTMAX) {
aniState->ofdmPhyErrBase = 0;
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"OFDM Trigger is too high for hw counters\n");
} else {
aniState->ofdmPhyErrBase =
AR_PHY_COUNTMAX - aniState->ofdmTrigHigh;
}
if (aniState->cckTrigHigh > AR_PHY_COUNTMAX) {
aniState->cckPhyErrBase = 0;
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"CCK Trigger is too high for hw counters\n");
} else {
aniState->cckPhyErrBase =
AR_PHY_COUNTMAX - aniState->cckTrigHigh;
}
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: Writing ofdmbase=%u cckbase=%u\n",
__func__, aniState->ofdmPhyErrBase,
aniState->cckPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_1, aniState->ofdmPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_2, aniState->cckPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
}
aniState->ofdmPhyErrCount = 0;
aniState->cckPhyErrCount = 0;
}
static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_channel *chan = ah->ah_curchan;
struct ar5416AniState *aniState;
enum wireless_mode mode;
int32_t rssi;
if (!DO_ANI(ah))
return;
aniState = ahp->ah_curani;
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1)) {
return;
}
}
if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel + 1)) {
return;
}
}
if (ah->ah_opmode == ATH9K_M_HOSTAP) {
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
}
return;
}
rssi = BEACON_RSSI(ahp);
if (rssi > aniState->rssiThrHigh) {
if (!aniState->ofdmWeakSigDetectOff) {
if (ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
false)) {
ath9k_hw_ani_control(ah,
ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
return;
}
}
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
}
} else if (rssi > aniState->rssiThrLow) {
if (aniState->ofdmWeakSigDetectOff)
ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
true);
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
return;
} else {
mode = ath9k_hw_chan2wmode(ah, chan);
if (mode == ATH9K_MODE_11G || mode == ATH9K_MODE_11B) {
if (!aniState->ofdmWeakSigDetectOff)
ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
false);
if (aniState->firstepLevel > 0)
ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL, 0);
return;
}
}
}
static void ath9k_hw_ani_cck_err_trigger(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_channel *chan = ah->ah_curchan;
struct ar5416AniState *aniState;
enum wireless_mode mode;
int32_t rssi;
if (!DO_ANI(ah))
return;
aniState = ahp->ah_curani;
if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1)) {
return;
}
}
if (ah->ah_opmode == ATH9K_M_HOSTAP) {
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
}
return;
}
rssi = BEACON_RSSI(ahp);
if (rssi > aniState->rssiThrLow) {
if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
} else {
mode = ath9k_hw_chan2wmode(ah, chan);
if (mode == ATH9K_MODE_11G || mode == ATH9K_MODE_11B) {
if (aniState->firstepLevel > 0)
ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL, 0);
}
}
}
static void ath9k_hw_ani_lower_immunity(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState;
int32_t rssi;
aniState = ahp->ah_curani;
if (ah->ah_opmode == ATH9K_M_HOSTAP) {
if (aniState->firstepLevel > 0) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel - 1))
return;
}
} else {
rssi = BEACON_RSSI(ahp);
if (rssi > aniState->rssiThrHigh) {
/* XXX: Handle me */
} else if (rssi > aniState->rssiThrLow) {
if (aniState->ofdmWeakSigDetectOff) {
if (ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
true) == true)
return;
}
if (aniState->firstepLevel > 0) {
if (ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel - 1) == true)
return;
}
} else {
if (aniState->firstepLevel > 0) {
if (ath9k_hw_ani_control(ah,
ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel - 1) == true)
return;
}
}
}
if (aniState->spurImmunityLevel > 0) {
if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel - 1))
return;
}
if (aniState->noiseImmunityLevel > 0) {
ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel - 1);
return;
}
}
static int32_t ath9k_hw_ani_get_listen_time(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState;
u32 txFrameCount, rxFrameCount, cycleCount;
int32_t listenTime;
txFrameCount = REG_READ(ah, AR_TFCNT);
rxFrameCount = REG_READ(ah, AR_RFCNT);
cycleCount = REG_READ(ah, AR_CCCNT);
aniState = ahp->ah_curani;
if (aniState->cycleCount == 0 || aniState->cycleCount > cycleCount) {
listenTime = 0;
ahp->ah_stats.ast_ani_lzero++;
} else {
int32_t ccdelta = cycleCount - aniState->cycleCount;
int32_t rfdelta = rxFrameCount - aniState->rxFrameCount;
int32_t tfdelta = txFrameCount - aniState->txFrameCount;
listenTime = (ccdelta - rfdelta - tfdelta) / 44000;
}
aniState->cycleCount = cycleCount;
aniState->txFrameCount = txFrameCount;
aniState->rxFrameCount = rxFrameCount;
return listenTime;
}
void ath9k_ani_reset(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState;
struct ath9k_channel *chan = ah->ah_curchan;
int index;
if (!DO_ANI(ah))
return;
index = ath9k_hw_get_ani_channel_idx(ah, chan);
aniState = &ahp->ah_ani[index];
ahp->ah_curani = aniState;
if (DO_ANI(ah) && ah->ah_opmode != ATH9K_M_STA
&& ah->ah_opmode != ATH9K_M_IBSS) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: Reset ANI state opmode %u\n", __func__,
ah->ah_opmode);
ahp->ah_stats.ast_ani_reset++;
ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0);
ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0);
ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
!ATH9K_ANI_USE_OFDM_WEAK_SIG);
ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
ATH9K_ANI_CCK_WEAK_SIG_THR);
ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) |
ATH9K_RX_FILTER_PHYERR);
if (ah->ah_opmode == ATH9K_M_HOSTAP) {
ahp->ah_curani->ofdmTrigHigh =
ah->ah_config.ofdm_trig_high;
ahp->ah_curani->ofdmTrigLow =
ah->ah_config.ofdm_trig_low;
ahp->ah_curani->cckTrigHigh =
ah->ah_config.cck_trig_high;
ahp->ah_curani->cckTrigLow =
ah->ah_config.cck_trig_low;
}
ath9k_ani_restart(ah);
return;
}
if (aniState->noiseImmunityLevel != 0)
ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel);
if (aniState->spurImmunityLevel != 0)
ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
aniState->spurImmunityLevel);
if (aniState->ofdmWeakSigDetectOff)
ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
!aniState->ofdmWeakSigDetectOff);
if (aniState->cckWeakSigThreshold)
ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
aniState->cckWeakSigThreshold);
if (aniState->firstepLevel != 0)
ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel);
if (ahp->ah_hasHwPhyCounters) {
ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) &
~ATH9K_RX_FILTER_PHYERR);
ath9k_ani_restart(ah);
REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
} else {
ath9k_ani_restart(ah);
ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) |
ATH9K_RX_FILTER_PHYERR);
}
}
void ath9k_hw_ani_monitor(struct ath_hal *ah,
const struct ath9k_node_stats *stats,
struct ath9k_channel *chan)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416AniState *aniState;
int32_t listenTime;
aniState = ahp->ah_curani;
ahp->ah_stats.ast_nodestats = *stats;
listenTime = ath9k_hw_ani_get_listen_time(ah);
if (listenTime < 0) {
ahp->ah_stats.ast_ani_lneg++;
ath9k_ani_restart(ah);
return;
}
aniState->listenTime += listenTime;
if (ahp->ah_hasHwPhyCounters) {
u32 phyCnt1, phyCnt2;
u32 ofdmPhyErrCnt, cckPhyErrCnt;
ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
if (phyCnt1 < aniState->ofdmPhyErrBase ||
phyCnt2 < aniState->cckPhyErrBase) {
if (phyCnt1 < aniState->ofdmPhyErrBase) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: phyCnt1 0x%x, resetting "
"counter value to 0x%x\n",
__func__, phyCnt1,
aniState->ofdmPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_1,
aniState->ofdmPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_MASK_1,
AR_PHY_ERR_OFDM_TIMING);
}
if (phyCnt2 < aniState->cckPhyErrBase) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"%s: phyCnt2 0x%x, resetting "
"counter value to 0x%x\n",
__func__, phyCnt2,
aniState->cckPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_2,
aniState->cckPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_MASK_2,
AR_PHY_ERR_CCK_TIMING);
}
return;
}
ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase;
ahp->ah_stats.ast_ani_ofdmerrs +=
ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase;
ahp->ah_stats.ast_ani_cckerrs +=
cckPhyErrCnt - aniState->cckPhyErrCount;
aniState->cckPhyErrCount = cckPhyErrCnt;
}
if (!DO_ANI(ah))
return;
if (aniState->listenTime > 5 * ahp->ah_aniPeriod) {
if (aniState->ofdmPhyErrCount <= aniState->listenTime *
aniState->ofdmTrigLow / 1000 &&
aniState->cckPhyErrCount <= aniState->listenTime *
aniState->cckTrigLow / 1000)
ath9k_hw_ani_lower_immunity(ah);
ath9k_ani_restart(ah);
} else if (aniState->listenTime > ahp->ah_aniPeriod) {
if (aniState->ofdmPhyErrCount > aniState->listenTime *
aniState->ofdmTrigHigh / 1000) {
ath9k_hw_ani_ofdm_err_trigger(ah);
ath9k_ani_restart(ah);
} else if (aniState->cckPhyErrCount >
aniState->listenTime * aniState->cckTrigHigh /
1000) {
ath9k_hw_ani_cck_err_trigger(ah);
ath9k_ani_restart(ah);
}
}
}
bool ath9k_hw_phycounters(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
return ahp->ah_hasHwPhyCounters ? true : false;
}
void ath9k_enable_mib_counters(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Enable MIB counters\n");
ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
REG_WRITE(ah, AR_FILT_OFDM, 0);
REG_WRITE(ah, AR_FILT_CCK, 0);
REG_WRITE(ah, AR_MIBC,
~(AR_MIBC_COW | AR_MIBC_FMC | AR_MIBC_CMC | AR_MIBC_MCS)
& 0x0f);
REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
}
void ath9k_hw_disable_mib_counters(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Disable MIB counters\n");
REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC | AR_MIBC_CMC);
ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
REG_WRITE(ah, AR_FILT_OFDM, 0);
REG_WRITE(ah, AR_FILT_CCK, 0);
}
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hal *ah,
u32 *rxc_pcnt,
u32 *rxf_pcnt,
u32 *txf_pcnt)
{
static u32 cycles, rx_clear, rx_frame, tx_frame;
u32 good = 1;
u32 rc = REG_READ(ah, AR_RCCNT);
u32 rf = REG_READ(ah, AR_RFCNT);
u32 tf = REG_READ(ah, AR_TFCNT);
u32 cc = REG_READ(ah, AR_CCCNT);
if (cycles == 0 || cycles > cc) {
DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
"%s: cycle counter wrap. ExtBusy = 0\n",
__func__);
good = 0;
} else {
u32 cc_d = cc - cycles;
u32 rc_d = rc - rx_clear;
u32 rf_d = rf - rx_frame;
u32 tf_d = tf - tx_frame;
if (cc_d != 0) {
*rxc_pcnt = rc_d * 100 / cc_d;
*rxf_pcnt = rf_d * 100 / cc_d;
*txf_pcnt = tf_d * 100 / cc_d;
} else {
good = 0;
}
}
cycles = cc;
rx_frame = rf;
rx_clear = rc;
tx_frame = tf;
return good;
}
/*
* Process a MIB interrupt. We may potentially be invoked because
* any of the MIB counters overflow/trigger so don't assume we're
* here because a PHY error counter triggered.
*/
void ath9k_hw_procmibevent(struct ath_hal *ah,
const struct ath9k_node_stats *stats)
{
struct ath_hal_5416 *ahp = AH5416(ah);
u32 phyCnt1, phyCnt2;
/* Reset these counters regardless */
REG_WRITE(ah, AR_FILT_OFDM, 0);
REG_WRITE(ah, AR_FILT_CCK, 0);
if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
/* Clear the mib counters and save them in the stats */
ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
ahp->ah_stats.ast_nodestats = *stats;
if (!DO_ANI(ah))
return;
/* NB: these are not reset-on-read */
phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
struct ar5416AniState *aniState = ahp->ah_curani;
u32 ofdmPhyErrCnt, cckPhyErrCnt;
/* NB: only use ast_ani_*errs with AH_PRIVATE_DIAG */
ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase;
ahp->ah_stats.ast_ani_ofdmerrs +=
ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase;
ahp->ah_stats.ast_ani_cckerrs +=
cckPhyErrCnt - aniState->cckPhyErrCount;
aniState->cckPhyErrCount = cckPhyErrCnt;
/*
* NB: figure out which counter triggered. If both
* trigger we'll only deal with one as the processing
* clobbers the error counter so the trigger threshold
* check will never be true.
*/
if (aniState->ofdmPhyErrCount > aniState->ofdmTrigHigh)
ath9k_hw_ani_ofdm_err_trigger(ah);
if (aniState->cckPhyErrCount > aniState->cckTrigHigh)
ath9k_hw_ani_cck_err_trigger(ah);
/* NB: always restart to insure the h/w counters are reset */
ath9k_ani_restart(ah);
}
}
void ath9k_hw_ani_setup(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
const int totalSizeDesired[] = { -55, -55, -55, -55, -62 };
const int coarseHigh[] = { -14, -14, -14, -14, -12 };
const int coarseLow[] = { -64, -64, -64, -64, -70 };
const int firpwr[] = { -78, -78, -78, -78, -80 };
for (i = 0; i < 5; i++) {
ahp->ah_totalSizeDesired[i] = totalSizeDesired[i];
ahp->ah_coarseHigh[i] = coarseHigh[i];
ahp->ah_coarseLow[i] = coarseLow[i];
ahp->ah_firpwr[i] = firpwr[i];
}
}
void ath9k_hw_ani_attach(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Attach ANI\n");
ahp->ah_hasHwPhyCounters = 1;
memset(ahp->ah_ani, 0, sizeof(ahp->ah_ani));
for (i = 0; i < ARRAY_SIZE(ahp->ah_ani); i++) {
ahp->ah_ani[i].ofdmTrigHigh = ATH9K_ANI_OFDM_TRIG_HIGH;
ahp->ah_ani[i].ofdmTrigLow = ATH9K_ANI_OFDM_TRIG_LOW;
ahp->ah_ani[i].cckTrigHigh = ATH9K_ANI_CCK_TRIG_HIGH;
ahp->ah_ani[i].cckTrigLow = ATH9K_ANI_CCK_TRIG_LOW;
ahp->ah_ani[i].rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
ahp->ah_ani[i].rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
ahp->ah_ani[i].ofdmWeakSigDetectOff =
!ATH9K_ANI_USE_OFDM_WEAK_SIG;
ahp->ah_ani[i].cckWeakSigThreshold =
ATH9K_ANI_CCK_WEAK_SIG_THR;
ahp->ah_ani[i].spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL;
ahp->ah_ani[i].firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
if (ahp->ah_hasHwPhyCounters) {
ahp->ah_ani[i].ofdmPhyErrBase =
AR_PHY_COUNTMAX - ATH9K_ANI_OFDM_TRIG_HIGH;
ahp->ah_ani[i].cckPhyErrBase =
AR_PHY_COUNTMAX - ATH9K_ANI_CCK_TRIG_HIGH;
}
}
if (ahp->ah_hasHwPhyCounters) {
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"Setting OfdmErrBase = 0x%08x\n",
ahp->ah_ani[0].ofdmPhyErrBase);
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
ahp->ah_ani[0].cckPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_1, ahp->ah_ani[0].ofdmPhyErrBase);
REG_WRITE(ah, AR_PHY_ERR_2, ahp->ah_ani[0].cckPhyErrBase);
ath9k_enable_mib_counters(ah);
}
ahp->ah_aniPeriod = ATH9K_ANI_PERIOD;
if (ah->ah_config.enable_ani)
ahp->ah_procPhyErr |= HAL_PROCESS_ANI;
}
void ath9k_hw_ani_detach(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Detach ANI\n");
if (ahp->ah_hasHwPhyCounters) {
ath9k_hw_disable_mib_counters(ah);
REG_WRITE(ah, AR_PHY_ERR_1, 0);
REG_WRITE(ah, AR_PHY_ERR_2, 0);
}
}
...@@ -828,195 +828,251 @@ struct chan_centers { ...@@ -828,195 +828,251 @@ struct chan_centers {
u16 ext_center; u16 ext_center;
}; };
int ath_hal_getcapability(struct ath_hal *ah, /* Helpers */
enum ath9k_capability_type type,
u32 capability, enum wireless_mode ath9k_hw_chan2wmode(struct ath_hal *ah,
u32 *result); const struct ath9k_channel *chan);
const struct ath9k_rate_table *ath9k_hw_getratetable(struct ath_hal *ah, bool ath9k_hw_wait(struct ath_hal *ah, u32 reg, u32 mask, u32 val);
u32 mode); u32 ath9k_hw_reverse_bits(u32 val, u32 n);
void ath9k_hw_detach(struct ath_hal *ah); bool ath9k_get_channel_edges(struct ath_hal *ah,
struct ath_hal *ath9k_hw_attach(u16 devid, u16 flags, u16 *low,
struct ath_softc *sc, u16 *high);
void __iomem *mem, u16 ath9k_hw_computetxtime(struct ath_hal *ah,
int *error); const struct ath9k_rate_table *rates,
bool ath9k_regd_init_channels(struct ath_hal *ah, u32 frameLen, u16 rateix,
u32 maxchans, u32 *nchans, bool shortPreamble);
u8 *regclassids,
u32 maxregids, u32 *nregids,
u16 cc,
bool enableOutdoor,
bool enableExtendedChannels);
u32 ath9k_hw_mhz2ieee(struct ath_hal *ah, u32 freq, u32 flags); u32 ath9k_hw_mhz2ieee(struct ath_hal *ah, u32 freq, u32 flags);
enum ath9k_int ath9k_hw_set_interrupts(struct ath_hal *ah, void ath9k_hw_get_channel_centers(struct ath_hal *ah,
enum ath9k_int ints); struct ath9k_channel *chan,
bool ath9k_hw_reset(struct ath_hal *ah, struct chan_centers *centers);
struct ath9k_channel *chan,
/* Attach, Detach */
const char *ath9k_hw_probe(u16 vendorid, u16 devid);
void ath9k_hw_detach(struct ath_hal *ah);
struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc,
void __iomem *mem, int *error);
void ath9k_hw_rfdetach(struct ath_hal *ah);
/* HW Reset */
bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan,
enum ath9k_ht_macmode macmode, enum ath9k_ht_macmode macmode,
u8 txchainmask, u8 rxchainmask, u8 txchainmask, u8 rxchainmask,
enum ath9k_ht_extprotspacing extprotspacing, enum ath9k_ht_extprotspacing extprotspacing,
bool bChannelChange, bool bChannelChange, int *status);
int *status);
bool ath9k_hw_phy_disable(struct ath_hal *ah); /* Key Cache Management */
void ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan,
bool *isCalDone);
void ath9k_hw_ani_monitor(struct ath_hal *ah,
const struct ath9k_node_stats *stats,
struct ath9k_channel *chan);
bool ath9k_hw_calibrate(struct ath_hal *ah,
struct ath9k_channel *chan,
u8 rxchainmask,
bool longcal,
bool *isCalDone);
s16 ath9k_hw_getchan_noise(struct ath_hal *ah,
struct ath9k_channel *chan);
void ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid,
u16 assocId);
void ath9k_hw_setrxfilter(struct ath_hal *ah, u32 bits);
void ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid,
u16 assocId);
bool ath9k_hw_stoptxdma(struct ath_hal *ah, u32 q);
void ath9k_hw_reset_tsf(struct ath_hal *ah);
bool ath9k_hw_keyisvalid(struct ath_hal *ah, u16 entry);
bool ath9k_hw_keysetmac(struct ath_hal *ah, u16 entry,
const u8 *mac);
bool ath9k_hw_set_keycache_entry(struct ath_hal *ah,
u16 entry,
const struct ath9k_keyval *k,
const u8 *mac,
int xorKey);
bool ath9k_hw_set_tsfadjust(struct ath_hal *ah,
u32 setting);
void ath9k_hw_configpcipowersave(struct ath_hal *ah, int restore);
bool ath9k_hw_intrpend(struct ath_hal *ah);
bool ath9k_hw_getisr(struct ath_hal *ah, enum ath9k_int *masked);
bool ath9k_hw_updatetxtriglevel(struct ath_hal *ah,
bool bIncTrigLevel);
void ath9k_hw_procmibevent(struct ath_hal *ah,
const struct ath9k_node_stats *stats);
bool ath9k_hw_setrxabort(struct ath_hal *ah, bool set);
void ath9k_hw_set11nmac2040(struct ath_hal *ah, enum ath9k_ht_macmode mode);
bool ath9k_hw_phycounters(struct ath_hal *ah);
bool ath9k_hw_keyreset(struct ath_hal *ah, u16 entry); bool ath9k_hw_keyreset(struct ath_hal *ah, u16 entry);
bool ath9k_hw_getcapability(struct ath_hal *ah, bool ath9k_hw_keysetmac(struct ath_hal *ah, u16 entry, const u8 *mac);
enum ath9k_capability_type type, bool ath9k_hw_set_keycache_entry(struct ath_hal *ah, u16 entry,
u32 capability, const struct ath9k_keyval *k,
u32 *result); const u8 *mac, int xorKey);
bool ath9k_hw_setcapability(struct ath_hal *ah, bool ath9k_hw_keyisvalid(struct ath_hal *ah, u16 entry);
enum ath9k_capability_type type,
u32 capability, /* Power Management */
u32 setting,
int *status);
u32 ath9k_hw_getdefantenna(struct ath_hal *ah);
void ath9k_hw_getmac(struct ath_hal *ah, u8 *mac);
void ath9k_hw_getbssidmask(struct ath_hal *ah, u8 *mask);
bool ath9k_hw_setbssidmask(struct ath_hal *ah,
const u8 *mask);
bool ath9k_hw_setpower(struct ath_hal *ah, bool ath9k_hw_setpower(struct ath_hal *ah,
enum ath9k_power_mode mode); enum ath9k_power_mode mode);
enum ath9k_int ath9k_hw_intrget(struct ath_hal *ah); void ath9k_hw_configpcipowersave(struct ath_hal *ah, int restore);
u64 ath9k_hw_gettsf64(struct ath_hal *ah);
/* Beacon timers */
void ath9k_hw_beaconinit(struct ath_hal *ah, u32 next_beacon, u32 beacon_period);
void ath9k_hw_set_sta_beacon_timers(struct ath_hal *ah,
const struct ath9k_beacon_state *bs);
/* Rate table */
const struct ath9k_rate_table *ath9k_hw_getratetable(struct ath_hal *ah,
u32 mode);
/* HW Capabilities */
bool ath9k_hw_fill_cap_info(struct ath_hal *ah);
bool ath9k_hw_getcapability(struct ath_hal *ah, enum ath9k_capability_type type,
u32 capability, u32 *result);
bool ath9k_hw_setcapability(struct ath_hal *ah, enum ath9k_capability_type type,
u32 capability, u32 setting, int *status);
/* GPIO / RFKILL / Antennae */
void ath9k_hw_cfg_gpio_input(struct ath_hal *ah, u32 gpio);
u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio);
void ath9k_hw_cfg_output(struct ath_hal *ah, u32 gpio,
u32 ah_signal_type);
void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 val);
#ifdef CONFIG_RFKILL
void ath9k_enable_rfkill(struct ath_hal *ah);
#endif
int ath9k_hw_select_antconfig(struct ath_hal *ah, u32 cfg);
u32 ath9k_hw_getdefantenna(struct ath_hal *ah); u32 ath9k_hw_getdefantenna(struct ath_hal *ah);
bool ath9k_hw_setslottime(struct ath_hal *ah, u32 us); void ath9k_hw_setantenna(struct ath_hal *ah, u32 antenna);
bool ath9k_hw_setantennaswitch(struct ath_hal *ah, bool ath9k_hw_setantennaswitch(struct ath_hal *ah,
enum ath9k_ant_setting settings, enum ath9k_ant_setting settings,
struct ath9k_channel *chan, struct ath9k_channel *chan,
u8 *tx_chainmask, u8 *tx_chainmask,
u8 *rx_chainmask, u8 *rx_chainmask,
u8 *antenna_cfgd); u8 *antenna_cfgd);
void ath9k_hw_setantenna(struct ath_hal *ah, u32 antenna);
int ath9k_hw_select_antconfig(struct ath_hal *ah, /* General Operation */
u32 cfg);
bool ath9k_hw_puttxbuf(struct ath_hal *ah, u32 q, u32 ath9k_hw_getrxfilter(struct ath_hal *ah);
u32 txdp); void ath9k_hw_setrxfilter(struct ath_hal *ah, u32 bits);
bool ath9k_hw_phy_disable(struct ath_hal *ah);
bool ath9k_hw_disable(struct ath_hal *ah);
bool ath9k_hw_set_txpowerlimit(struct ath_hal *ah, u32 limit);
void ath9k_hw_getmac(struct ath_hal *ah, u8 *mac);
bool ath9k_hw_setmac(struct ath_hal *ah, const u8 *mac);
void ath9k_hw_setopmode(struct ath_hal *ah);
void ath9k_hw_setmcastfilter(struct ath_hal *ah, u32 filter0, u32 filter1);
void ath9k_hw_getbssidmask(struct ath_hal *ah, u8 *mask);
bool ath9k_hw_setbssidmask(struct ath_hal *ah, const u8 *mask);
void ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid, u16 assocId);
u64 ath9k_hw_gettsf64(struct ath_hal *ah);
void ath9k_hw_reset_tsf(struct ath_hal *ah);
bool ath9k_hw_set_tsfadjust(struct ath_hal *ah, u32 setting);
bool ath9k_hw_setslottime(struct ath_hal *ah, u32 us);
void ath9k_hw_set11nmac2040(struct ath_hal *ah, enum ath9k_ht_macmode mode);
/* Regulatory */
bool ath9k_regd_is_public_safety_sku(struct ath_hal *ah);
struct ath9k_channel* ath9k_regd_check_channel(struct ath_hal *ah,
const struct ath9k_channel *c);
u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan);
u32 ath9k_regd_get_antenna_allowed(struct ath_hal *ah,
struct ath9k_channel *chan);
bool ath9k_regd_init_channels(struct ath_hal *ah,
u32 maxchans, u32 *nchans, u8 *regclassids,
u32 maxregids, u32 *nregids, u16 cc,
bool enableOutdoor, bool enableExtendedChannels);
/* ANI */
void ath9k_ani_reset(struct ath_hal *ah);
void ath9k_hw_ani_monitor(struct ath_hal *ah,
const struct ath9k_node_stats *stats,
struct ath9k_channel *chan);
bool ath9k_hw_phycounters(struct ath_hal *ah);
void ath9k_enable_mib_counters(struct ath_hal *ah);
void ath9k_hw_disable_mib_counters(struct ath_hal *ah);
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hal *ah,
u32 *rxc_pcnt,
u32 *rxf_pcnt,
u32 *txf_pcnt);
void ath9k_hw_procmibevent(struct ath_hal *ah,
const struct ath9k_node_stats *stats);
void ath9k_hw_ani_setup(struct ath_hal *ah);
void ath9k_hw_ani_attach(struct ath_hal *ah);
void ath9k_hw_ani_detach(struct ath_hal *ah);
/* Calibration */
void ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan,
bool *isCalDone);
void ath9k_hw_start_nfcal(struct ath_hal *ah);
void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan);
int16_t ath9k_hw_getnf(struct ath_hal *ah,
struct ath9k_channel *chan);
void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah);
s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan);
bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan,
u8 rxchainmask, bool longcal,
bool *isCalDone);
bool ath9k_hw_init_cal(struct ath_hal *ah,
struct ath9k_channel *chan);
/* EEPROM */
int ath9k_hw_set_txpower(struct ath_hal *ah,
struct ath9k_channel *chan,
u16 cfgCtl,
u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower,
u8 powerLimit);
void ath9k_hw_set_addac(struct ath_hal *ah, struct ath9k_channel *chan);
bool ath9k_hw_set_power_per_rate_table(struct ath_hal *ah,
struct ath9k_channel *chan,
int16_t *ratesArray,
u16 cfgCtl,
u8 AntennaReduction,
u8 twiceMaxRegulatoryPower,
u8 powerLimit);
bool ath9k_hw_set_power_cal_table(struct ath_hal *ah,
struct ath9k_channel *chan,
int16_t *pTxPowerIndexOffset);
bool ath9k_hw_eeprom_set_board_values(struct ath_hal *ah,
struct ath9k_channel *chan);
int ath9k_hw_get_eeprom_antenna_cfg(struct ath_hal *ah,
struct ath9k_channel *chan,
u8 index, u16 *config);
u8 ath9k_hw_get_num_ant_config(struct ath_hal *ah,
enum ieee80211_band freq_band);
u16 ath9k_hw_eeprom_get_spur_chan(struct ath_hal *ah, u16 i, bool is2GHz);
int ath9k_hw_eeprom_attach(struct ath_hal *ah);
/* Interrupt Handling */
bool ath9k_hw_intrpend(struct ath_hal *ah);
bool ath9k_hw_getisr(struct ath_hal *ah, enum ath9k_int *masked);
enum ath9k_int ath9k_hw_intrget(struct ath_hal *ah);
enum ath9k_int ath9k_hw_set_interrupts(struct ath_hal *ah, enum ath9k_int ints);
/* MAC (PCU/QCU) */
void ath9k_hw_dmaRegDump(struct ath_hal *ah);
u32 ath9k_hw_gettxbuf(struct ath_hal *ah, u32 q);
bool ath9k_hw_puttxbuf(struct ath_hal *ah, u32 q, u32 txdp);
bool ath9k_hw_txstart(struct ath_hal *ah, u32 q); bool ath9k_hw_txstart(struct ath_hal *ah, u32 q);
u16 ath9k_hw_computetxtime(struct ath_hal *ah, u32 ath9k_hw_numtxpending(struct ath_hal *ah, u32 q);
const struct ath9k_rate_table *rates, bool ath9k_hw_updatetxtriglevel(struct ath_hal *ah, bool bIncTrigLevel);
u32 frameLen, u16 rateix, bool ath9k_hw_stoptxdma(struct ath_hal *ah, u32 q);
bool shortPreamble); bool ath9k_hw_filltxdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 segLen, bool firstSeg,
bool lastSeg, const struct ath_desc *ds0);
void ath9k_hw_cleartxdesc(struct ath_hal *ah, struct ath_desc *ds);
int ath9k_hw_txprocdesc(struct ath_hal *ah, struct ath_desc *ds);
void ath9k_hw_set11n_txdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 pktLen, enum ath9k_pkt_type type, u32 txPower,
u32 keyIx, enum ath9k_key_type keyType, u32 flags);
void ath9k_hw_set11n_ratescenario(struct ath_hal *ah, struct ath_desc *ds, void ath9k_hw_set11n_ratescenario(struct ath_hal *ah, struct ath_desc *ds,
struct ath_desc *lastds, struct ath_desc *lastds,
u32 durUpdateEn, u32 rtsctsRate, u32 durUpdateEn, u32 rtsctsRate,
u32 rtsctsDuration, u32 rtsctsDuration,
struct ath9k_11n_rate_series series[], struct ath9k_11n_rate_series series[],
u32 nseries, u32 flags); u32 nseries, u32 flags);
void ath9k_hw_set11n_burstduration(struct ath_hal *ah, void ath9k_hw_set11n_aggr_first(struct ath_hal *ah, struct ath_desc *ds,
struct ath_desc *ds, u32 aggrLen);
void ath9k_hw_set11n_aggr_middle(struct ath_hal *ah, struct ath_desc *ds,
u32 numDelims);
void ath9k_hw_set11n_aggr_last(struct ath_hal *ah, struct ath_desc *ds);
void ath9k_hw_clr11n_aggr(struct ath_hal *ah, struct ath_desc *ds);
void ath9k_hw_set11n_burstduration(struct ath_hal *ah, struct ath_desc *ds,
u32 burstDuration); u32 burstDuration);
void ath9k_hw_cleartxdesc(struct ath_hal *ah, struct ath_desc *ds); void ath9k_hw_set11n_virtualmorefrag(struct ath_hal *ah, struct ath_desc *ds,
u32 ath9k_hw_reverse_bits(u32 val, u32 n); u32 vmf);
bool ath9k_hw_resettxqueue(struct ath_hal *ah, u32 q); void ath9k_hw_gettxintrtxqs(struct ath_hal *ah, u32 *txqs);
u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan);
u32 ath9k_regd_get_antenna_allowed(struct ath_hal *ah,
struct ath9k_channel *chan);
u32 ath9k_hw_mhz2ieee(struct ath_hal *ah, u32 freq, u32 flags);
bool ath9k_hw_get_txq_props(struct ath_hal *ah, int q,
struct ath9k_tx_queue_info *qinfo);
bool ath9k_hw_set_txq_props(struct ath_hal *ah, int q, bool ath9k_hw_set_txq_props(struct ath_hal *ah, int q,
const struct ath9k_tx_queue_info *qinfo); const struct ath9k_tx_queue_info *qinfo);
struct ath9k_channel *ath9k_regd_check_channel(struct ath_hal *ah, bool ath9k_hw_get_txq_props(struct ath_hal *ah, int q,
const struct ath9k_channel *c); struct ath9k_tx_queue_info *qinfo);
void ath9k_hw_set11n_txdesc(struct ath_hal *ah, struct ath_desc *ds, int ath9k_hw_setuptxqueue(struct ath_hal *ah, enum ath9k_tx_queue type,
u32 pktLen, enum ath9k_pkt_type type, const struct ath9k_tx_queue_info *qinfo);
u32 txPower, u32 keyIx, bool ath9k_hw_releasetxqueue(struct ath_hal *ah, u32 q);
enum ath9k_key_type keyType, u32 flags); bool ath9k_hw_resettxqueue(struct ath_hal *ah, u32 q);
bool ath9k_hw_filltxdesc(struct ath_hal *ah, struct ath_desc *ds, int ath9k_hw_rxprocdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 segLen, bool firstSeg, u32 pa, struct ath_desc *nds, u64 tsf);
bool lastSeg,
const struct ath_desc *ds0);
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hal *ah,
u32 *rxc_pcnt,
u32 *rxf_pcnt,
u32 *txf_pcnt);
void ath9k_hw_dmaRegDump(struct ath_hal *ah);
void ath9k_hw_beaconinit(struct ath_hal *ah,
u32 next_beacon, u32 beacon_period);
void ath9k_hw_set_sta_beacon_timers(struct ath_hal *ah,
const struct ath9k_beacon_state *bs);
bool ath9k_hw_setuprxdesc(struct ath_hal *ah, struct ath_desc *ds, bool ath9k_hw_setuprxdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 size, u32 flags); u32 size, u32 flags);
bool ath9k_hw_setrxabort(struct ath_hal *ah, bool set);
void ath9k_hw_putrxbuf(struct ath_hal *ah, u32 rxdp); void ath9k_hw_putrxbuf(struct ath_hal *ah, u32 rxdp);
void ath9k_hw_rxena(struct ath_hal *ah); void ath9k_hw_rxena(struct ath_hal *ah);
void ath9k_hw_setopmode(struct ath_hal *ah);
bool ath9k_hw_setmac(struct ath_hal *ah, const u8 *mac);
void ath9k_hw_setmcastfilter(struct ath_hal *ah, u32 filter0,
u32 filter1);
u32 ath9k_hw_getrxfilter(struct ath_hal *ah);
void ath9k_hw_startpcureceive(struct ath_hal *ah); void ath9k_hw_startpcureceive(struct ath_hal *ah);
void ath9k_hw_stoppcurecv(struct ath_hal *ah); void ath9k_hw_stoppcurecv(struct ath_hal *ah);
bool ath9k_hw_stopdmarecv(struct ath_hal *ah); bool ath9k_hw_stopdmarecv(struct ath_hal *ah);
int ath9k_hw_rxprocdesc(struct ath_hal *ah,
struct ath_desc *ds, u32 pa,
struct ath_desc *nds, u64 tsf);
u32 ath9k_hw_gettxbuf(struct ath_hal *ah, u32 q);
int ath9k_hw_txprocdesc(struct ath_hal *ah,
struct ath_desc *ds);
void ath9k_hw_set11n_aggr_middle(struct ath_hal *ah, struct ath_desc *ds,
u32 numDelims);
void ath9k_hw_set11n_aggr_first(struct ath_hal *ah, struct ath_desc *ds,
u32 aggrLen);
void ath9k_hw_set11n_aggr_last(struct ath_hal *ah, struct ath_desc *ds);
bool ath9k_hw_releasetxqueue(struct ath_hal *ah, u32 q);
void ath9k_hw_gettxintrtxqs(struct ath_hal *ah, u32 *txqs);
void ath9k_hw_clr11n_aggr(struct ath_hal *ah, struct ath_desc *ds);
void ath9k_hw_set11n_virtualmorefrag(struct ath_hal *ah,
struct ath_desc *ds, u32 vmf);
bool ath9k_hw_set_txpowerlimit(struct ath_hal *ah, u32 limit);
bool ath9k_regd_is_public_safety_sku(struct ath_hal *ah);
int ath9k_hw_setuptxqueue(struct ath_hal *ah, enum ath9k_tx_queue type,
const struct ath9k_tx_queue_info *qinfo);
u32 ath9k_hw_numtxpending(struct ath_hal *ah, u32 q);
const char *ath9k_hw_probe(u16 vendorid, u16 devid);
bool ath9k_hw_disable(struct ath_hal *ah);
void ath9k_hw_rfdetach(struct ath_hal *ah);
void ath9k_hw_get_channel_centers(struct ath_hal *ah,
struct ath9k_channel *chan,
struct chan_centers *centers);
bool ath9k_get_channel_edges(struct ath_hal *ah,
u16 flags, u16 *low,
u16 *high);
void ath9k_hw_cfg_output(struct ath_hal *ah, u32 gpio,
u32 ah_signal_type);
void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 value);
u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio);
void ath9k_hw_cfg_gpio_input(struct ath_hal *ah, u32 gpio);
#endif #endif
/*
* Copyright (c) 2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include "hw.h"
#include "reg.h"
#include "phy.h"
static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 };
/* We can tune this as we go by monitoring really low values */
#define ATH9K_NF_TOO_LOW -60
/* AR5416 may return very high value (like -31 dBm), in those cases the nf
* is incorrect and we should use the static NF value. Later we can try to
* find out why they are reporting these values */
static bool ath9k_hw_nf_in_range(struct ath_hal *ah, s16 nf)
{
if (nf > ATH9K_NF_TOO_LOW) {
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"%s: noise floor value detected (%d) is "
"lower than what we think is a "
"reasonable value (%d)\n",
__func__, nf, ATH9K_NF_TOO_LOW);
return false;
}
return true;
}
static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
{
int16_t nfval;
int16_t sort[ATH9K_NF_CAL_HIST_MAX];
int i, j;
for (i = 0; i < ATH9K_NF_CAL_HIST_MAX; i++)
sort[i] = nfCalBuffer[i];
for (i = 0; i < ATH9K_NF_CAL_HIST_MAX - 1; i++) {
for (j = 1; j < ATH9K_NF_CAL_HIST_MAX - i; j++) {
if (sort[j] > sort[j - 1]) {
nfval = sort[j];
sort[j] = sort[j - 1];
sort[j - 1] = nfval;
}
}
}
nfval = sort[(ATH9K_NF_CAL_HIST_MAX - 1) >> 1];
return nfval;
}
static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
int16_t *nfarray)
{
int i;
for (i = 0; i < NUM_NF_READINGS; i++) {
h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX)
h[i].currIndex = 0;
if (h[i].invalidNFcount > 0) {
if (nfarray[i] < AR_PHY_CCA_MIN_BAD_VALUE ||
nfarray[i] > AR_PHY_CCA_MAX_HIGH_VALUE) {
h[i].invalidNFcount = ATH9K_NF_CAL_HIST_MAX;
} else {
h[i].invalidNFcount--;
h[i].privNF = nfarray[i];
}
} else {
h[i].privNF =
ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
}
}
return;
}
static void ath9k_hw_do_getnf(struct ath_hal *ah,
int16_t nfarray[NUM_NF_READINGS])
{
int16_t nf;
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
nfarray[0] = nf;
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
AR9280_PHY_CH1_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
AR_PHY_CH1_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
if (!AR_SREV_9280(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"NF calibrated [ctl] [chain 2] is %d\n", nf);
nfarray[2] = nf;
}
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
AR9280_PHY_EXT_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_EXT_CCA),
AR_PHY_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"NF calibrated [ext] [chain 0] is %d\n", nf);
nfarray[3] = nf;
if (AR_SREV_9280_10_OR_LATER(ah))
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
AR9280_PHY_CH1_EXT_MINCCA_PWR);
else
nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
AR_PHY_CH1_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
if (!AR_SREV_9280(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"NF calibrated [ext] [chain 2] is %d\n", nf);
nfarray[5] = nf;
}
}
static bool getNoiseFloorThresh(struct ath_hal *ah,
const struct ath9k_channel *chan,
int16_t *nft)
{
switch (chan->chanmode) {
case CHANNEL_A:
case CHANNEL_A_HT20:
case CHANNEL_A_HT40PLUS:
case CHANNEL_A_HT40MINUS:
*nft = (int16_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_5);
break;
case CHANNEL_B:
case CHANNEL_G:
case CHANNEL_G_HT20:
case CHANNEL_G_HT40PLUS:
case CHANNEL_G_HT40MINUS:
*nft = (int16_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_2);
break;
default:
DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
"%s: invalid channel flags 0x%x\n", __func__,
chan->channelFlags);
return false;
}
return true;
}
static void ath9k_hw_setup_calibration(struct ath_hal *ah,
struct hal_cal_list *currCal)
{
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
currCal->calData->calCountMax);
switch (currCal->calData->calType) {
case IQ_MISMATCH_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: starting IQ Mismatch Calibration\n",
__func__);
break;
case ADC_GAIN_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: starting ADC Gain Calibration\n", __func__);
break;
case ADC_DC_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: starting ADC DC Calibration\n", __func__);
break;
case ADC_DC_INIT_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: starting Init ADC DC Calibration\n",
__func__);
break;
}
REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
AR_PHY_TIMING_CTRL4_DO_CAL);
}
static void ath9k_hw_reset_calibration(struct ath_hal *ah,
struct hal_cal_list *currCal)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
ath9k_hw_setup_calibration(ah, currCal);
currCal->calState = CAL_RUNNING;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
ahp->ah_Meas0.sign[i] = 0;
ahp->ah_Meas1.sign[i] = 0;
ahp->ah_Meas2.sign[i] = 0;
ahp->ah_Meas3.sign[i] = 0;
}
ahp->ah_CalSamples = 0;
}
static void ath9k_hw_per_calibration(struct ath_hal *ah,
struct ath9k_channel *ichan,
u8 rxchainmask,
struct hal_cal_list *currCal,
bool *isCalDone)
{
struct ath_hal_5416 *ahp = AH5416(ah);
*isCalDone = false;
if (currCal->calState == CAL_RUNNING) {
if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
AR_PHY_TIMING_CTRL4_DO_CAL)) {
currCal->calData->calCollect(ah);
ahp->ah_CalSamples++;
if (ahp->ah_CalSamples >= currCal->calData->calNumSamples) {
int i, numChains = 0;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
if (rxchainmask & (1 << i))
numChains++;
}
currCal->calData->calPostProc(ah, numChains);
ichan->CalValid |= currCal->calData->calType;
currCal->calState = CAL_DONE;
*isCalDone = true;
} else {
ath9k_hw_setup_calibration(ah, currCal);
}
}
} else if (!(ichan->CalValid & currCal->calData->calType)) {
ath9k_hw_reset_calibration(ah, currCal);
}
}
static bool ath9k_hw_iscal_supported(struct ath_hal *ah,
struct ath9k_channel *chan,
enum hal_cal_types calType)
{
struct ath_hal_5416 *ahp = AH5416(ah);
bool retval = false;
switch (calType & ahp->ah_suppCals) {
case IQ_MISMATCH_CAL:
if (!IS_CHAN_B(chan))
retval = true;
break;
case ADC_GAIN_CAL:
case ADC_DC_CAL:
if (!IS_CHAN_B(chan)
&& !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
retval = true;
break;
}
return retval;
}
static void ath9k_hw_iqcal_collect(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
ahp->ah_totalPowerMeasI[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
ahp->ah_totalPowerMeasQ[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
ahp->ah_totalIqCorrMeas[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
ahp->ah_CalSamples, i, ahp->ah_totalPowerMeasI[i],
ahp->ah_totalPowerMeasQ[i],
ahp->ah_totalIqCorrMeas[i]);
}
}
static void ath9k_hw_adc_gaincal_collect(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
ahp->ah_totalAdcIOddPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
ahp->ah_totalAdcIEvenPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
ahp->ah_totalAdcQOddPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
ahp->ah_totalAdcQEvenPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
"oddq=0x%08x; evenq=0x%08x;\n",
ahp->ah_CalSamples, i,
ahp->ah_totalAdcIOddPhase[i],
ahp->ah_totalAdcIEvenPhase[i],
ahp->ah_totalAdcQOddPhase[i],
ahp->ah_totalAdcQEvenPhase[i]);
}
}
static void ath9k_hw_adc_dccal_collect(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
ahp->ah_totalAdcDcOffsetIOddPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
ahp->ah_totalAdcDcOffsetIEvenPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
ahp->ah_totalAdcDcOffsetQOddPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
ahp->ah_totalAdcDcOffsetQEvenPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
"oddq=0x%08x; evenq=0x%08x;\n",
ahp->ah_CalSamples, i,
ahp->ah_totalAdcDcOffsetIOddPhase[i],
ahp->ah_totalAdcDcOffsetIEvenPhase[i],
ahp->ah_totalAdcDcOffsetQOddPhase[i],
ahp->ah_totalAdcDcOffsetQEvenPhase[i]);
}
}
static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains)
{
struct ath_hal_5416 *ahp = AH5416(ah);
u32 powerMeasQ, powerMeasI, iqCorrMeas;
u32 qCoffDenom, iCoffDenom;
int32_t qCoff, iCoff;
int iqCorrNeg, i;
for (i = 0; i < numChains; i++) {
powerMeasI = ahp->ah_totalPowerMeasI[i];
powerMeasQ = ahp->ah_totalPowerMeasQ[i];
iqCorrMeas = ahp->ah_totalIqCorrMeas[i];
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Starting IQ Cal and Correction for Chain %d\n",
i);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Orignal: Chn %diq_corr_meas = 0x%08x\n",
i, ahp->ah_totalIqCorrMeas[i]);
iqCorrNeg = 0;
if (iqCorrMeas > 0x80000000) {
iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
iqCorrNeg = 1;
}
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
iqCorrNeg);
iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
qCoffDenom = powerMeasQ / 64;
if (powerMeasQ != 0) {
iCoff = iqCorrMeas / iCoffDenom;
qCoff = powerMeasI / qCoffDenom - 64;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d iCoff = 0x%08x\n", i, iCoff);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d qCoff = 0x%08x\n", i, qCoff);
iCoff = iCoff & 0x3f;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"New: Chn %d iCoff = 0x%08x\n", i, iCoff);
if (iqCorrNeg == 0x0)
iCoff = 0x40 - iCoff;
if (qCoff > 15)
qCoff = 15;
else if (qCoff <= -16)
qCoff = 16;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
i, iCoff, qCoff);
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
iCoff);
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
qCoff);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"IQ Cal and Correction done for Chain %d\n",
i);
}
}
REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
}
static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains)
{
struct ath_hal_5416 *ahp = AH5416(ah);
u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
u32 qGainMismatch, iGainMismatch, val, i;
for (i = 0; i < numChains; i++) {
iOddMeasOffset = ahp->ah_totalAdcIOddPhase[i];
iEvenMeasOffset = ahp->ah_totalAdcIEvenPhase[i];
qOddMeasOffset = ahp->ah_totalAdcQOddPhase[i];
qEvenMeasOffset = ahp->ah_totalAdcQEvenPhase[i];
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Starting ADC Gain Cal for Chain %d\n", i);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_odd_i = 0x%08x\n", i,
iOddMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_even_i = 0x%08x\n", i,
iEvenMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_odd_q = 0x%08x\n", i,
qOddMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_even_q = 0x%08x\n", i,
qEvenMeasOffset);
if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
iGainMismatch =
((iEvenMeasOffset * 32) /
iOddMeasOffset) & 0x3f;
qGainMismatch =
((qOddMeasOffset * 32) /
qEvenMeasOffset) & 0x3f;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d gain_mismatch_i = 0x%08x\n", i,
iGainMismatch);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d gain_mismatch_q = 0x%08x\n", i,
qGainMismatch);
val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
val &= 0xfffff000;
val |= (qGainMismatch) | (iGainMismatch << 6);
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"ADC Gain Cal done for Chain %d\n", i);
}
}
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
}
static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains)
{
struct ath_hal_5416 *ahp = AH5416(ah);
u32 iOddMeasOffset, iEvenMeasOffset, val, i;
int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
const struct hal_percal_data *calData =
ahp->ah_cal_list_curr->calData;
u32 numSamples =
(1 << (calData->calCountMax + 5)) * calData->calNumSamples;
for (i = 0; i < numChains; i++) {
iOddMeasOffset = ahp->ah_totalAdcDcOffsetIOddPhase[i];
iEvenMeasOffset = ahp->ah_totalAdcDcOffsetIEvenPhase[i];
qOddMeasOffset = ahp->ah_totalAdcDcOffsetQOddPhase[i];
qEvenMeasOffset = ahp->ah_totalAdcDcOffsetQEvenPhase[i];
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Starting ADC DC Offset Cal for Chain %d\n", i);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_odd_i = %d\n", i,
iOddMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_even_i = %d\n", i,
iEvenMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_odd_q = %d\n", i,
qOddMeasOffset);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d pwr_meas_even_q = %d\n", i,
qEvenMeasOffset);
iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
numSamples) & 0x1ff;
qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
numSamples) & 0x1ff;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
iDcMismatch);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
qDcMismatch);
val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
val &= 0xc0000fff;
val |= (qDcMismatch << 12) | (iDcMismatch << 21);
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"ADC DC Offset Cal done for Chain %d\n", i);
}
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE);
}
void ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan,
bool *isCalDone)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_channel *ichan =
ath9k_regd_check_channel(ah, chan);
struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
*isCalDone = true;
if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
return;
if (currCal == NULL)
return;
if (ichan == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->channel, chan->channelFlags);
return;
}
if (currCal->calState != CAL_DONE) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: Calibration state incorrect, %d\n",
__func__, currCal->calState);
return;
}
if (!ath9k_hw_iscal_supported(ah, chan, currCal->calData->calType))
return;
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: Resetting Cal %d state for channel %u/0x%x\n",
__func__, currCal->calData->calType, chan->channel,
chan->channelFlags);
ichan->CalValid &= ~currCal->calData->calType;
currCal->calState = CAL_WAITING;
*isCalDone = false;
}
void ath9k_hw_start_nfcal(struct ath_hal *ah)
{
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_ENABLE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
}
void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan)
{
struct ath9k_nfcal_hist *h;
int i, j;
int32_t val;
const u32 ar5416_cca_regs[6] = {
AR_PHY_CCA,
AR_PHY_CH1_CCA,
AR_PHY_CH2_CCA,
AR_PHY_EXT_CCA,
AR_PHY_CH1_EXT_CCA,
AR_PHY_CH2_EXT_CCA
};
u8 chainmask;
if (AR_SREV_9280(ah))
chainmask = 0x1B;
else
chainmask = 0x3F;
#ifdef ATH_NF_PER_CHAN
h = chan->nfCalHist;
#else
h = ah->nfCalHist;
#endif
for (i = 0; i < NUM_NF_READINGS; i++) {
if (chainmask & (1 << i)) {
val = REG_READ(ah, ar5416_cca_regs[i]);
val &= 0xFFFFFE00;
val |= (((u32) (h[i].privNF) << 1) & 0x1ff);
REG_WRITE(ah, ar5416_cca_regs[i], val);
}
}
REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_ENABLE_NF);
REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
for (j = 0; j < 1000; j++) {
if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
AR_PHY_AGC_CONTROL_NF) == 0)
break;
udelay(10);
}
for (i = 0; i < NUM_NF_READINGS; i++) {
if (chainmask & (1 << i)) {
val = REG_READ(ah, ar5416_cca_regs[i]);
val &= 0xFFFFFE00;
val |= (((u32) (-50) << 1) & 0x1ff);
REG_WRITE(ah, ar5416_cca_regs[i], val);
}
}
}
int16_t ath9k_hw_getnf(struct ath_hal *ah,
struct ath9k_channel *chan)
{
int16_t nf, nfThresh;
int16_t nfarray[NUM_NF_READINGS] = { 0 };
struct ath9k_nfcal_hist *h;
u8 chainmask;
if (AR_SREV_9280(ah))
chainmask = 0x1B;
else
chainmask = 0x3F;
chan->channelFlags &= (~CHANNEL_CW_INT);
if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: NF did not complete in calibration window\n",
__func__);
nf = 0;
chan->rawNoiseFloor = nf;
return chan->rawNoiseFloor;
} else {
ath9k_hw_do_getnf(ah, nfarray);
nf = nfarray[0];
if (getNoiseFloorThresh(ah, chan, &nfThresh)
&& nf > nfThresh) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: noise floor failed detected; "
"detected %d, threshold %d\n", __func__,
nf, nfThresh);
chan->channelFlags |= CHANNEL_CW_INT;
}
}
#ifdef ATH_NF_PER_CHAN
h = chan->nfCalHist;
#else
h = ah->nfCalHist;
#endif
ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
chan->rawNoiseFloor = h[0].privNF;
return chan->rawNoiseFloor;
}
void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah)
{
int i, j;
for (i = 0; i < NUM_NF_READINGS; i++) {
ah->nfCalHist[i].currIndex = 0;
ah->nfCalHist[i].privNF = AR_PHY_CCA_MAX_GOOD_VALUE;
ah->nfCalHist[i].invalidNFcount =
AR_PHY_CCA_FILTERWINDOW_LENGTH;
for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
ah->nfCalHist[i].nfCalBuffer[j] =
AR_PHY_CCA_MAX_GOOD_VALUE;
}
}
return;
}
s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan)
{
struct ath9k_channel *ichan;
s16 nf;
ichan = ath9k_regd_check_channel(ah, chan);
if (ichan == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_NF_CAL,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->channel, chan->channelFlags);
return ATH_DEFAULT_NOISE_FLOOR;
}
if (ichan->rawNoiseFloor == 0) {
enum wireless_mode mode = ath9k_hw_chan2wmode(ah, chan);
nf = NOISE_FLOOR[mode];
} else
nf = ichan->rawNoiseFloor;
if (!ath9k_hw_nf_in_range(ah, nf))
nf = ATH_DEFAULT_NOISE_FLOOR;
return nf;
}
bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan,
u8 rxchainmask, bool longcal,
bool *isCalDone)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan);
*isCalDone = true;
if (ichan == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->channel, chan->channelFlags);
return false;
}
if (currCal &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
ath9k_hw_per_calibration(ah, ichan, rxchainmask, currCal,
isCalDone);
if (*isCalDone) {
ahp->ah_cal_list_curr = currCal = currCal->calNext;
if (currCal->calState == CAL_WAITING) {
*isCalDone = false;
ath9k_hw_reset_calibration(ah, currCal);
}
}
}
if (longcal) {
ath9k_hw_getnf(ah, ichan);
ath9k_hw_loadnf(ah, ah->ah_curchan);
ath9k_hw_start_nfcal(ah);
if ((ichan->channelFlags & CHANNEL_CW_INT) != 0) {
chan->channelFlags |= CHANNEL_CW_INT;
ichan->channelFlags &= ~CHANNEL_CW_INT;
}
}
return true;
}
bool ath9k_hw_init_cal(struct ath_hal *ah,
struct ath9k_channel *chan)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan);
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
REG_READ(ah, AR_PHY_AGC_CONTROL) |
AR_PHY_AGC_CONTROL_CAL);
if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: offset calibration failed to complete in 1ms; "
"noisy environment?\n", __func__);
return false;
}
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
REG_READ(ah, AR_PHY_AGC_CONTROL) |
AR_PHY_AGC_CONTROL_NF);
ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->ah_cal_list_curr = NULL;
if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
if (ath9k_hw_iscal_supported(ah, chan, ADC_GAIN_CAL)) {
INIT_CAL(&ahp->ah_adcGainCalData);
INSERT_CAL(ahp, &ahp->ah_adcGainCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: enabling ADC Gain Calibration.\n",
__func__);
}
if (ath9k_hw_iscal_supported(ah, chan, ADC_DC_CAL)) {
INIT_CAL(&ahp->ah_adcDcCalData);
INSERT_CAL(ahp, &ahp->ah_adcDcCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: enabling ADC DC Calibration.\n",
__func__);
}
if (ath9k_hw_iscal_supported(ah, chan, IQ_MISMATCH_CAL)) {
INIT_CAL(&ahp->ah_iqCalData);
INSERT_CAL(ahp, &ahp->ah_iqCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"%s: enabling IQ Calibration.\n",
__func__);
}
ahp->ah_cal_list_curr = ahp->ah_cal_list;
if (ahp->ah_cal_list_curr)
ath9k_hw_reset_calibration(ah, ahp->ah_cal_list_curr);
}
ichan->CalValid = 0;
return true;
}
const struct hal_percal_data iq_cal_multi_sample = {
IQ_MISMATCH_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_iqcal_collect,
ath9k_hw_iqcalibrate
};
const struct hal_percal_data iq_cal_single_sample = {
IQ_MISMATCH_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_iqcal_collect,
ath9k_hw_iqcalibrate
};
const struct hal_percal_data adc_gain_cal_multi_sample = {
ADC_GAIN_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_adc_gaincal_collect,
ath9k_hw_adc_gaincal_calibrate
};
const struct hal_percal_data adc_gain_cal_single_sample = {
ADC_GAIN_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_adc_gaincal_collect,
ath9k_hw_adc_gaincal_calibrate
};
const struct hal_percal_data adc_dc_cal_multi_sample = {
ADC_DC_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_adc_dccal_collect,
ath9k_hw_adc_dccal_calibrate
};
const struct hal_percal_data adc_dc_cal_single_sample = {
ADC_DC_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_adc_dccal_collect,
ath9k_hw_adc_dccal_calibrate
};
const struct hal_percal_data adc_init_dc_cal = {
ADC_DC_INIT_CAL,
MIN_CAL_SAMPLES,
INIT_LOG_COUNT,
ath9k_hw_adc_dccal_collect,
ath9k_hw_adc_dccal_calibrate
};
/*
* Copyright (c) 2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include "hw.h"
#include "reg.h"
#include "phy.h"
static void ath9k_hw_analog_shift_rmw(struct ath_hal *ah,
u32 reg, u32 mask,
u32 shift, u32 val)
{
u32 regVal;
regVal = REG_READ(ah, reg) & ~mask;
regVal |= (val << shift) & mask;
REG_WRITE(ah, reg, regVal);
if (ah->ah_config.analog_shiftreg)
udelay(100);
return;
}
static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
{
if (fbin == AR5416_BCHAN_UNUSED)
return fbin;
return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
}
static inline int16_t ath9k_hw_interpolate(u16 target,
u16 srcLeft, u16 srcRight,
int16_t targetLeft,
int16_t targetRight)
{
int16_t rv;
if (srcRight == srcLeft) {
rv = targetLeft;
} else {
rv = (int16_t) (((target - srcLeft) * targetRight +
(srcRight - target) * targetLeft) /
(srcRight - srcLeft));
}
return rv;
}
static inline bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList,
u16 listSize, u16 *indexL,
u16 *indexR)
{
u16 i;
if (target <= pList[0]) {
*indexL = *indexR = 0;
return true;
}
if (target >= pList[listSize - 1]) {
*indexL = *indexR = (u16) (listSize - 1);
return true;
}
for (i = 0; i < listSize - 1; i++) {
if (pList[i] == target) {
*indexL = *indexR = i;
return true;
}
if (target < pList[i + 1]) {
*indexL = i;
*indexR = (u16) (i + 1);
return false;
}
}
return false;
}
static bool ath9k_hw_eeprom_read(struct ath_hal *ah, u32 off, u16 *data)
{
(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
if (!ath9k_hw_wait(ah,
AR_EEPROM_STATUS_DATA,
AR_EEPROM_STATUS_DATA_BUSY |
AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) {
return false;
}
*data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
AR_EEPROM_STATUS_DATA_VAL);
return true;
}
static int ath9k_hw_flash_map(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
ahp->ah_cal_mem = ioremap(AR5416_EEPROM_START_ADDR, AR5416_EEPROM_MAX);
if (!ahp->ah_cal_mem) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"%s: cannot remap eeprom region \n", __func__);
return -EIO;
}
return 0;
}
static bool ath9k_hw_flash_read(struct ath_hal *ah, u32 off, u16 *data)
{
struct ath_hal_5416 *ahp = AH5416(ah);
*data = ioread16(ahp->ah_cal_mem + off);
return true;
}
static inline bool ath9k_hw_nvram_read(struct ath_hal *ah, u32 off, u16 *data)
{
if (ath9k_hw_use_flash(ah))
return ath9k_hw_flash_read(ah, off, data);
else
return ath9k_hw_eeprom_read(ah, off, data);
}
static bool ath9k_hw_fill_eeprom(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
u16 *eep_data;
int addr, ar5416_eep_start_loc = 0;
if (!ath9k_hw_use_flash(ah)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"%s: Reading from EEPROM, not flash\n", __func__);
ar5416_eep_start_loc = 256;
}
if (AR_SREV_9100(ah))
ar5416_eep_start_loc = 256;
eep_data = (u16 *)eep;
for (addr = 0; addr < sizeof(struct ar5416_eeprom) / sizeof(u16); addr++) {
if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
eep_data)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"%s: Unable to read eeprom region \n",
__func__);
return false;
}
eep_data++;
}
return true;
}
static int ath9k_hw_check_eeprom(struct ath_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep =
(struct ar5416_eeprom *) &ahp->ah_eeprom;
u16 *eepdata, temp, magic, magic2;
u32 sum = 0, el;
bool need_swap = false;
int i, addr, size;
if (!ath9k_hw_use_flash(ah)) {
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"%s: Reading Magic # failed\n", __func__);
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "%s: Read Magic = 0x%04X\n",
__func__, magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
if (magic2 == AR5416_EEPROM_MAGIC) {
size = sizeof(struct ar5416_eeprom);
need_swap = true;
eepdata = (u16 *) (&ahp->ah_eeprom);
for (addr = 0; addr < size / sizeof(u16); addr++) {
temp = swab16(*eepdata);
*eepdata = temp;
eepdata++;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"0x%04X ", *eepdata);
if (((addr + 1) % 6) == 0)
DPRINTF(ah->ah_sc,
ATH_DBG_EEPROM, "\n");
}
} else {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Invalid EEPROM Magic. "
"endianness mismatch.\n");
return -EINVAL;
}
}
}
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n",
need_swap ? "True" : "False");
if (need_swap)
el = swab16(ahp->ah_eeprom.baseEepHeader.length);
else
el = ahp->ah_eeprom.baseEepHeader.length;
if (el > sizeof(struct ar5416_eeprom))
el = sizeof(struct ar5416_eeprom) / sizeof(u16);
else
el = el / sizeof(u16);
eepdata = (u16 *)(&ahp->ah_eeprom);
for (i = 0; i < el; i++)
sum ^= *eepdata++;
if (need_swap) {
u32 integer, j;
u16 word;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"EEPROM Endianness is not native.. Changing \n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
word = swab16(eep->baseEepHeader.checksum);
eep->baseEepHeader.checksum = word;
word = swab16(eep->baseEepHeader.version);
eep->baseEepHeader.version = word;
word = swab16(eep->baseEepHeader.regDmn[0]);
eep->baseEepHeader.regDmn[0] = word;
word = swab16(eep->baseEepHeader.regDmn[1]);
eep->baseEepHeader.regDmn[1] = word;
word = swab16(eep->baseEepHeader.rfSilent);
eep->baseEepHeader.rfSilent = word;
word = swab16(eep->baseEepHeader.blueToothOptions);
eep->baseEepHeader.blueToothOptions = word;
word = swab16(eep->baseEepHeader.deviceCap);
eep->baseEepHeader.deviceCap = word;
for (j = 0; j < ARRAY_SIZE(eep->modalHeader); j++) {
struct modal_eep_header *pModal =
&eep->modalHeader[j];
integer = swab32(pModal->antCtrlCommon);
pModal->antCtrlCommon = integer;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
integer = swab32(pModal->antCtrlChain[i]);
pModal->antCtrlChain[i] = integer;
}
for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
word = swab16(pModal->spurChans[i].spurChan);
pModal->spurChans[i].spurChan = word;
}
}
}
if (sum != 0xffff || ar5416_get_eep_ver(ahp) != AR5416_EEP_VER ||
ar5416_get_eep_rev(ahp) < AR5416_EEP_NO_BACK_VER) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ar5416_get_eep_ver(ahp));
return -EINVAL;
}
return 0;
}
static inline bool ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
u8 *pVpdList, u16 numIntercepts,
u8 *pRetVpdList)
{
u16 i, k;
u8 currPwr = pwrMin;
u16 idxL = 0, idxR = 0;
for (i = 0; i <= (pwrMax - pwrMin) / 2; i++) {
ath9k_hw_get_lower_upper_index(currPwr, pPwrList,
numIntercepts, &(idxL),
&(idxR));
if (idxR < 1)
idxR = 1;
if (idxL == numIntercepts - 1)
idxL = (u16) (numIntercepts - 2);
if (pPwrList[idxL] == pPwrList[idxR])
k = pVpdList[idxL];
else
k = (u16)(((currPwr - pPwrList[idxL]) * pVpdList[idxR] +
(pPwrList[idxR] - currPwr) * pVpdList[idxL]) /
(pPwrList[idxR] - pPwrList[idxL]));
pRetVpdList[i] = (u8) k;
currPwr += 2;
}
return true;
}
static void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hal *ah,
struct ath9k_channel *chan,
struct cal_data_per_freq *pRawDataSet,
u8 *bChans, u16 availPiers,
u16 tPdGainOverlap, int16_t *pMinCalPower,
u16 *pPdGainBoundaries, u8 *pPDADCValues,
u16 numXpdGains)
{
int i, j, k;
int16_t ss;
u16 idxL = 0, idxR = 0, numPiers;
static u8 vpdTableL[AR5416_NUM_PD_GAINS]
[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
static u8 vpdTableR[AR5416_NUM_PD_GAINS]
[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
static u8 vpdTableI[AR5416_NUM_PD_GAINS]
[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR;
u8 minPwrT4[AR5416_NUM_PD_GAINS];
u8 maxPwrT4[AR5416_NUM_PD_GAINS];
int16_t vpdStep;
int16_t tmpVal;
u16 sizeCurrVpdTable, maxIndex, tgtIndex;
bool match;
int16_t minDelta = 0;
struct chan_centers centers;
ath9k_hw_get_channel_centers(ah, chan, &centers);
for (numPiers = 0; numPiers < availPiers; numPiers++) {
if (bChans[numPiers] == AR5416_BCHAN_UNUSED)
break;
}
match = ath9k_hw_get_lower_upper_index((u8)FREQ2FBIN(centers.synth_center,
IS_CHAN_2GHZ(chan)),
bChans, numPiers, &idxL, &idxR);
if (match) {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0];
maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
pRawDataSet[idxL].pwrPdg[i],
pRawDataSet[idxL].vpdPdg[i],
AR5416_PD_GAIN_ICEPTS,
vpdTableI[i]);
}
} else {
for (i = 0; i < numXpdGains; i++) {
pVpdL = pRawDataSet[idxL].vpdPdg[i];
pPwrL = pRawDataSet[idxL].pwrPdg[i];
pVpdR = pRawDataSet[idxR].vpdPdg[i];
pPwrR = pRawDataSet[idxR].pwrPdg[i];
minPwrT4[i] = max(pPwrL[0], pPwrR[0]);
maxPwrT4[i] =
min(pPwrL[AR5416_PD_GAIN_ICEPTS - 1],
pPwrR[AR5416_PD_GAIN_ICEPTS - 1]);
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
pPwrL, pVpdL,
AR5416_PD_GAIN_ICEPTS,
vpdTableL[i]);
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
pPwrR, pVpdR,
AR5416_PD_GAIN_ICEPTS,
vpdTableR[i]);
for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) {
vpdTableI[i][j] =
(u8)(ath9k_hw_interpolate((u16)
FREQ2FBIN(centers.
synth_center,
IS_CHAN_2GHZ
(chan)),
bChans[idxL], bChans[idxR],
vpdTableL[i][j], vpdTableR[i][j]));
}
}
}
*pMinCalPower = (int16_t)(minPwrT4[0] / 2);
k = 0;
for (i = 0; i < numXpdGains; i++) {
if (i == (numXpdGains - 1))
pPdGainBoundaries[i] =
(u16)(maxPwrT4[i] / 2);
else
pPdGainBoundaries[i] =
(u16)((maxPwrT4[i] + minPwrT4[i + 1]) / 4);
pPdGainBoundaries[i] =
min((u16)AR5416_MAX_RATE_POWER, pPdGainBoundaries[i]);
if ((i == 0) && !AR_SREV_5416_V20_OR_LATER(ah)) {
minDelta = pPdGainBoundaries[0] - 23;
pPdGainBoundaries[0] = 23;
} else {
minDelta = 0;
}
if (i == 0) {
if (AR_SREV_9280_10_OR_LATER(ah))
ss = (int16_t)(0 - (minPwrT4[i] / 2));
else
ss = 0;
} else {
ss = (int16_t)((pPdGainBoundaries[i - 1] -
(minPwrT4[i] / 2)) -
tPdGainOverlap + 1 + minDelta);
}
vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]);
vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep);
pPDADCValues[k++] = (u8)((tmpVal < 0) ? 0 : tmpVal);
ss++;
}
sizeCurrVpdTable = (u8) ((maxPwrT4[i] - minPwrT4[i]) / 2 + 1);
tgtIndex = (u8)(pPdGainBoundaries[i] + tPdGainOverlap -
(minPwrT4[i] / 2));
maxIndex = (tgtIndex < sizeCurrVpdTable) ?
tgtIndex : sizeCurrVpdTable;
while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
pPDADCValues[k++] = vpdTableI[i][ss++];
}
vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] -
vpdTableI[i][sizeCurrVpdTable - 2]);
vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
if (tgtIndex > maxIndex) {
while ((ss <= tgtIndex) &&
(k < (AR5416_NUM_PDADC_VALUES - 1))) {
tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +
(ss - maxIndex + 1) * vpdStep));
pPDADCValues[k++] = (u8)((tmpVal > 255) ?
255 : tmpVal);
ss++;
}
}
}
while (i < AR5416_PD_GAINS_IN_MASK) {
pPdGainBoundaries[i] = pPdGainBoundaries[i - 1];
i++;
}
while (k < AR5416_NUM_PDADC_VALUES) {
pPDADCValues[k] = pPDADCValues[k - 1];
k++;
}
return;
}
static void ath9k_hw_get_legacy_target_powers(struct ath_hal *ah,
struct ath9k_channel *chan,
struct cal_target_power_leg *powInfo,
u16 numChannels,
struct cal_target_power_leg *pNewPower,
u16 numRates, bool isExtTarget)
{
struct chan_centers centers;
u16 clo, chi;
int i;
int matchIndex = -1, lowIndex = -1;
u16 freq;
ath9k_hw_get_channel_centers(ah, chan, &centers);
freq = (isExtTarget) ? centers.ext_center : centers.ctl_center;
if (freq <= ath9k_hw_fbin2freq(powInfo[0].bChannel,
IS_CHAN_2GHZ(chan))) {
matchIndex = 0;
} else {
for (i = 0; (i < numChannels) &&
(powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
if (freq == ath9k_hw_fbin2freq(powInfo[i].bChannel,
IS_CHAN_2GHZ(chan))) {
matchIndex = i;
break;
} else if ((freq < ath9k_hw_fbin2freq(powInfo[i].bChannel,
IS_CHAN_2GHZ(chan))) &&
(freq > ath9k_hw_fbin2freq(powInfo[i - 1].bChannel,
IS_CHAN_2GHZ(chan)))) {
lowIndex = i - 1;
break;
}
}
if ((matchIndex == -1) && (lowIndex == -1))
matchIndex = i - 1;
}
if (matchIndex != -1) {
*pNewPower = powInfo[matchIndex];
} else {
clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
IS_CHAN_2GHZ(chan));
chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
IS_CHAN_2GHZ(chan));
for (i = 0; i < numRates; i++) {
pNewPower->tPow2x[i] =
(u8)ath9k_hw_interpolate(freq, clo, chi,
powInfo[lowIndex].tPow2x[i],
powInfo[lowIndex + 1].tPow2x[i]);
}
}
}
static void ath9k_hw_get_target_powers(struct ath_hal *ah,
struct ath9k_channel *chan,
struct cal_target_power_ht *powInfo,
u16 numChannels,
struct cal_target_power_ht *pNewPower,
u16 numRates, bool isHt40Target)
{
struct chan_centers centers;
u16 clo, chi;
int i;
int matchIndex = -1, lowIndex = -1;
u16 freq;
ath9k_hw_get_channel_centers(ah, chan, &centers);
freq = isHt40Target ? centers.synth_center : centers.ctl_center;
if (freq <= ath9k_hw_fbin2freq(powInfo[0].bChannel, IS_CHAN_2GHZ(chan))) {
matchIndex = 0;
} else {
for (i = 0; (i < numChannels) &&
(powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
if (freq == ath9k_hw_fbin2freq(powInfo[i].bChannel,
IS_CHAN_2GHZ(chan))) {
matchIndex = i;
break;
} else
if ((freq < ath9k_hw_fbin2freq(powInfo[i].bChannel,
IS_CHAN_2GHZ(chan))) &&
(freq > ath9k_hw_fbin2freq(powInfo[i - 1].bChannel,
IS_CHAN_2GHZ(chan)))) {
lowIndex = i - 1;
break;
}
}
if ((matchIndex == -1) && (lowIndex == -1))
matchIndex = i - 1;
}
if (matchIndex != -1) {
*pNewPower = powInfo[matchIndex];
} else {
clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
IS_CHAN_2GHZ(chan));
chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
IS_CHAN_2GHZ(chan));
for (i = 0; i < numRates; i++) {
pNewPower->tPow2x[i] = (u8)ath9k_hw_interpolate(freq,
clo, chi,
powInfo[lowIndex].tPow2x[i],
powInfo[lowIndex + 1].tPow2x[i]);
}
}
}
static u16 ath9k_hw_get_max_edge_power(u16 freq,
struct cal_ctl_edges *pRdEdgesPower,
bool is2GHz)
{
u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
int i;
for (i = 0; (i < AR5416_NUM_BAND_EDGES) &&
(pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
if (freq == ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel, is2GHz)) {
twiceMaxEdgePower = pRdEdgesPower[i].tPower;
break;
} else if ((i > 0) &&
(freq < ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel,
is2GHz))) {
if (ath9k_hw_fbin2freq(pRdEdgesPower[i - 1].bChannel,
is2GHz) < freq &&
pRdEdgesPower[i - 1].flag) {
twiceMaxEdgePower =
pRdEdgesPower[i - 1].tPower;
}
break;
}
}
return twiceMaxEdgePower;
}
int ath9k_hw_set_txpower(struct ath_hal *ah,
struct ath9k_channel *chan,
u16 cfgCtl,
u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower,
u8 powerLimit)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *pEepData = &ahp->ah_eeprom;
struct modal_eep_header *pModal =
&(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]);
int16_t ratesArray[Ar5416RateSize];
int16_t txPowerIndexOffset = 0;
u8 ht40PowerIncForPdadc = 2;
int i;
memset(ratesArray, 0, sizeof(ratesArray));
if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_2) {
ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
}
if (!ath9k_hw_set_power_per_rate_table(ah, chan,
&ratesArray[0], cfgCtl,
twiceAntennaReduction,
twiceMaxRegulatoryPower,
powerLimit)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set "
"tx power per rate table\n");
return -EIO;
}
if (!ath9k_hw_set_power_cal_table(ah, chan, &txPowerIndexOffset)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set power table\n");
return -EIO;
}
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
if (ratesArray[i] > AR5416_MAX_RATE_POWER)
ratesArray[i] = AR5416_MAX_RATE_POWER;
}
if (AR_SREV_9280_10_OR_LATER(ah)) {
for (i = 0; i < Ar5416RateSize; i++)
ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2;
}
REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
ATH9K_POW_SM(ratesArray[rate18mb], 24)
| ATH9K_POW_SM(ratesArray[rate12mb], 16)
| ATH9K_POW_SM(ratesArray[rate9mb], 8)
| ATH9K_POW_SM(ratesArray[rate6mb], 0));
REG_WRITE(ah, AR_PHY_POWER_TX_RATE2,
ATH9K_POW_SM(ratesArray[rate54mb], 24)
| ATH9K_POW_SM(ratesArray[rate48mb], 16)
| ATH9K_POW_SM(ratesArray[rate36mb], 8)
| ATH9K_POW_SM(ratesArray[rate24mb], 0));
if (IS_CHAN_2GHZ(chan)) {
REG_WRITE(ah, AR_PHY_POWER_TX_RATE3,
ATH9K_POW_SM(ratesArray[rate2s], 24)
| ATH9K_POW_SM(ratesArray[rate2l], 16)
| ATH9K_POW_SM(ratesArray[rateXr], 8)
| ATH9K_POW_SM(ratesArray[rate1l], 0));
REG_WRITE(ah, AR_PHY_POWER_TX_RATE4,
ATH9K_POW_SM(ratesArray[rate11s], 24)
| ATH9K_POW_SM(ratesArray[rate11l], 16)
| ATH9K_POW_SM(ratesArray[rate5_5s], 8)
| ATH9K_POW_SM(ratesArray[rate5_5l], 0));
}
REG_WRITE(ah, AR_PHY_POWER_TX_RATE5,
ATH9K_POW_SM(ratesArray[rateHt20_3], 24)
| ATH9K_POW_SM(ratesArray[rateHt20_2], 16)
| ATH9K_POW_SM(ratesArray[rateHt20_1], 8)
| ATH9K_POW_SM(ratesArray[rateHt20_0], 0));
REG_WRITE(ah, AR_PHY_POWER_TX_RATE6,
ATH9K_POW_SM(ratesArray[rateHt20_7], 24)
| ATH9K_POW_SM(ratesArray[rateHt20_6], 16)
| ATH9K_POW_SM(ratesArray[rateHt20_5], 8)
| ATH9K_POW_SM(ratesArray[rateHt20_4], 0));
if (IS_CHAN_HT40(chan)) {
REG_WRITE(ah, AR_PHY_POWER_TX_RATE7,
ATH9K_POW_SM(ratesArray[rateHt40_3] +
ht40PowerIncForPdadc, 24)
| ATH9K_POW_SM(ratesArray[rateHt40_2] +
ht40PowerIncForPdadc, 16)
| ATH9K_POW_SM(ratesArray[rateHt40_1] +
ht40PowerIncForPdadc, 8)
| ATH9K_POW_SM(ratesArray[rateHt40_0] +
ht40PowerIncForPdadc, 0));
REG_WRITE(ah, AR_PHY_POWER_TX_RATE8,
ATH9K_POW_SM(ratesArray[rateHt40_7] +
ht40PowerIncForPdadc, 24)
| ATH9K_POW_SM(ratesArray[rateHt40_6] +
ht40PowerIncForPdadc, 16)
| ATH9K_POW_SM(ratesArray[rateHt40_5] +
ht40PowerIncForPdadc, 8)
| ATH9K_POW_SM(ratesArray[rateHt40_4] +
ht40PowerIncForPdadc, 0));
REG_WRITE(ah, AR_PHY_POWER_TX_RATE9,
ATH9K_POW_SM(ratesArray[rateExtOfdm], 24)
| ATH9K_POW_SM(ratesArray[rateExtCck], 16)
| ATH9K_POW_SM(ratesArray[rateDupOfdm], 8)
| ATH9K_POW_SM(ratesArray[rateDupCck], 0));
}
REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
ATH9K_POW_SM(pModal->pwrDecreaseFor3Chain, 6)
| ATH9K_POW_SM(pModal->pwrDecreaseFor2Chain, 0));
i = rate6mb;
if (IS_CHAN_HT40(chan))
i = rateHt40_0;
else if (IS_CHAN_HT20(chan))
i = rateHt20_0;
if (AR_SREV_9280_10_OR_LATER(ah))
ah->ah_maxPowerLevel =
ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
else
ah->ah_maxPowerLevel = ratesArray[i];
return 0;
}
void ath9k_hw_set_addac(struct ath_hal *ah, struct ath9k_channel *chan)
{
struct modal_eep_header *pModal;
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
u8 biaslevel;
if (ah->ah_macVersion != AR_SREV_VERSION_9160)
return;
if (ar5416_get_eep_rev(ahp) < AR5416_EEP_MINOR_VER_7)
return;
pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
if (pModal->xpaBiasLvl != 0xff) {
biaslevel = pModal->xpaBiasLvl;
} else {
u16 resetFreqBin, freqBin, freqCount = 0;
struct chan_centers centers;
ath9k_hw_get_channel_centers(ah, chan, &centers);
resetFreqBin = FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan));
freqBin = pModal->xpaBiasLvlFreq[0] & 0xff;
biaslevel = (u8) (pModal->xpaBiasLvlFreq[0] >> 14);
freqCount++;
while (freqCount < 3) {
if (pModal->xpaBiasLvlFreq[freqCount] == 0x0)
break;
freqBin = pModal->xpaBiasLvlFreq[freqCount] & 0xff;
if (resetFreqBin >= freqBin) {
biaslevel = (u8)(pModal->xpaBiasLvlFreq[freqCount] >> 14);
} else {
break;
}
freqCount++;
}
}
if (IS_CHAN_2GHZ(chan)) {
INI_RA(&ahp->ah_iniAddac, 7, 1) =
(INI_RA(&ahp->ah_iniAddac, 7, 1) & (~0x18)) | biaslevel << 3;
} else {
INI_RA(&ahp->ah_iniAddac, 6, 1) =
(INI_RA(&ahp->ah_iniAddac, 6, 1) & (~0xc0)) | biaslevel << 6;
}
}
bool ath9k_hw_set_power_per_rate_table(struct ath_hal *ah,
struct ath9k_channel *chan,
int16_t *ratesArray,
u16 cfgCtl,
u8 AntennaReduction,
u8 twiceMaxRegulatoryPower,
u8 powerLimit)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *pEepData = &ahp->ah_eeprom;
u8 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
static const u16 tpScaleReductionTable[5] =
{ 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
int i;
int8_t twiceLargestAntenna;
struct cal_ctl_data *rep;
struct cal_target_power_leg targetPowerOfdm, targetPowerCck = {
0, { 0, 0, 0, 0}
};
struct cal_target_power_leg targetPowerOfdmExt = {
0, { 0, 0, 0, 0} }, targetPowerCckExt = {
0, { 0, 0, 0, 0 }
};
struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = {
0, {0, 0, 0, 0}
};
u8 scaledPower = 0, minCtlPower, maxRegAllowedPower;
u16 ctlModesFor11a[] =
{ CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40 };
u16 ctlModesFor11g[] =
{ CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT,
CTL_2GHT40
};
u16 numCtlModes, *pCtlMode, ctlMode, freq;
struct chan_centers centers;
int tx_chainmask;
u8 twiceMinEdgePower;
tx_chainmask = ahp->ah_txchainmask;
ath9k_hw_get_channel_centers(ah, chan, &centers);
twiceLargestAntenna = max(
pEepData->modalHeader
[IS_CHAN_2GHZ(chan)].antennaGainCh[0],
pEepData->modalHeader
[IS_CHAN_2GHZ(chan)].antennaGainCh[1]);
twiceLargestAntenna = max((u8)twiceLargestAntenna,
pEepData->modalHeader
[IS_CHAN_2GHZ(chan)].antennaGainCh[2]);
twiceLargestAntenna = (int8_t)min(AntennaReduction - twiceLargestAntenna, 0);
maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
if (ah->ah_tpScale != ATH9K_TP_SCALE_MAX) {
maxRegAllowedPower -=
(tpScaleReductionTable[(ah->ah_tpScale)] * 2);
}
scaledPower = min(powerLimit, maxRegAllowedPower);
switch (ar5416_get_ntxchains(tx_chainmask)) {
case 1:
break;
case 2:
scaledPower -=
pEepData->modalHeader[IS_CHAN_2GHZ(chan)].pwrDecreaseFor2Chain;
break;
case 3:
scaledPower -=
pEepData->modalHeader[IS_CHAN_2GHZ(chan)].pwrDecreaseFor3Chain;
break;
}
scaledPower = max(0, (int32_t) scaledPower);
if (IS_CHAN_2GHZ(chan)) {
numCtlModes = ARRAY_SIZE(ctlModesFor11g) -
SUB_NUM_CTL_MODES_AT_2G_40;
pCtlMode = ctlModesFor11g;
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPowerCck,
AR5416_NUM_2G_CCK_TARGET_POWERS,
&targetPowerCck, 4, false);
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPower2G,
AR5416_NUM_2G_20_TARGET_POWERS,
&targetPowerOfdm, 4, false);
ath9k_hw_get_target_powers(ah, chan,
pEepData->calTargetPower2GHT20,
AR5416_NUM_2G_20_TARGET_POWERS,
&targetPowerHt20, 8, false);
if (IS_CHAN_HT40(chan)) {
numCtlModes = ARRAY_SIZE(ctlModesFor11g);
ath9k_hw_get_target_powers(ah, chan,
pEepData->calTargetPower2GHT40,
AR5416_NUM_2G_40_TARGET_POWERS,
&targetPowerHt40, 8, true);
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPowerCck,
AR5416_NUM_2G_CCK_TARGET_POWERS,
&targetPowerCckExt, 4, true);
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPower2G,
AR5416_NUM_2G_20_TARGET_POWERS,
&targetPowerOfdmExt, 4, true);
}
} else {
numCtlModes = ARRAY_SIZE(ctlModesFor11a) -
SUB_NUM_CTL_MODES_AT_5G_40;
pCtlMode = ctlModesFor11a;
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPower5G,
AR5416_NUM_5G_20_TARGET_POWERS,
&targetPowerOfdm, 4, false);
ath9k_hw_get_target_powers(ah, chan,
pEepData->calTargetPower5GHT20,
AR5416_NUM_5G_20_TARGET_POWERS,
&targetPowerHt20, 8, false);
if (IS_CHAN_HT40(chan)) {
numCtlModes = ARRAY_SIZE(ctlModesFor11a);
ath9k_hw_get_target_powers(ah, chan,
pEepData->calTargetPower5GHT40,
AR5416_NUM_5G_40_TARGET_POWERS,
&targetPowerHt40, 8, true);
ath9k_hw_get_legacy_target_powers(ah, chan,
pEepData->calTargetPower5G,
AR5416_NUM_5G_20_TARGET_POWERS,
&targetPowerOfdmExt, 4, true);
}
}
for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
bool isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) ||
(pCtlMode[ctlMode] == CTL_2GHT40);
if (isHt40CtlMode)
freq = centers.synth_center;
else if (pCtlMode[ctlMode] & EXT_ADDITIVE)
freq = centers.ext_center;
else
freq = centers.ctl_center;
if (ar5416_get_eep_ver(ahp) == 14 && ar5416_get_eep_rev(ahp) <= 2)
twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
"LOOP-Mode ctlMode %d < %d, isHt40CtlMode %d, "
"EXT_ADDITIVE %d\n",
ctlMode, numCtlModes, isHt40CtlMode,
(pCtlMode[ctlMode] & EXT_ADDITIVE));
for (i = 0; (i < AR5416_NUM_CTLS) && pEepData->ctlIndex[i]; i++) {
DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
" LOOP-Ctlidx %d: cfgCtl 0x%2.2x "
"pCtlMode 0x%2.2x ctlIndex 0x%2.2x "
"chan %d\n",
i, cfgCtl, pCtlMode[ctlMode],
pEepData->ctlIndex[i], chan->channel);
if ((((cfgCtl & ~CTL_MODE_M) |
(pCtlMode[ctlMode] & CTL_MODE_M)) ==
pEepData->ctlIndex[i]) ||
(((cfgCtl & ~CTL_MODE_M) |
(pCtlMode[ctlMode] & CTL_MODE_M)) ==
((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))) {
rep = &(pEepData->ctlData[i]);
twiceMinEdgePower = ath9k_hw_get_max_edge_power(freq,
rep->ctlEdges[ar5416_get_ntxchains(tx_chainmask) - 1],
IS_CHAN_2GHZ(chan));
DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
" MATCH-EE_IDX %d: ch %d is2 %d "
"2xMinEdge %d chainmask %d chains %d\n",
i, freq, IS_CHAN_2GHZ(chan),
twiceMinEdgePower, tx_chainmask,
ar5416_get_ntxchains
(tx_chainmask));
if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
twiceMaxEdgePower = min(twiceMaxEdgePower,
twiceMinEdgePower);
} else {
twiceMaxEdgePower = twiceMinEdgePower;
break;
}
}
}
minCtlPower = min(twiceMaxEdgePower, scaledPower);
DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
" SEL-Min ctlMode %d pCtlMode %d "
"2xMaxEdge %d sP %d minCtlPwr %d\n",
ctlMode, pCtlMode[ctlMode], twiceMaxEdgePower,
scaledPower, minCtlPower);
switch (pCtlMode[ctlMode]) {
case CTL_11B:
for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x); i++) {
targetPowerCck.tPow2x[i] =
min(targetPowerCck.tPow2x[i],
minCtlPower);
}
break;
case CTL_11A:
case CTL_11G:
for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x); i++) {
targetPowerOfdm.tPow2x[i] =
min(targetPowerOfdm.tPow2x[i],
minCtlPower);
}
break;
case CTL_5GHT20:
case CTL_2GHT20:
for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) {
targetPowerHt20.tPow2x[i] =
min(targetPowerHt20.tPow2x[i],
minCtlPower);
}
break;
case CTL_11B_EXT:
targetPowerCckExt.tPow2x[0] =
min(targetPowerCckExt.tPow2x[0], minCtlPower);
break;
case CTL_11A_EXT:
case CTL_11G_EXT:
targetPowerOfdmExt.tPow2x[0] =
min(targetPowerOfdmExt.tPow2x[0], minCtlPower);
break;
case CTL_5GHT40:
case CTL_2GHT40:
for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) {
targetPowerHt40.tPow2x[i] =
min(targetPowerHt40.tPow2x[i],
minCtlPower);
}
break;
default:
break;
}
}
ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] =
ratesArray[rate18mb] = ratesArray[rate24mb] =
targetPowerOfdm.tPow2x[0];
ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1];
ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2];
ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3];
ratesArray[rateXr] = targetPowerOfdm.tPow2x[0];
for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++)
ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i];
if (IS_CHAN_2GHZ(chan)) {
ratesArray[rate1l] = targetPowerCck.tPow2x[0];
ratesArray[rate2s] = ratesArray[rate2l] =
targetPowerCck.tPow2x[1];
ratesArray[rate5_5s] = ratesArray[rate5_5l] =
targetPowerCck.tPow2x[2];
;
ratesArray[rate11s] = ratesArray[rate11l] =
targetPowerCck.tPow2x[3];
;
}
if (IS_CHAN_HT40(chan)) {
for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) {
ratesArray[rateHt40_0 + i] =
targetPowerHt40.tPow2x[i];
}
ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0];
ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0];
ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];
if (IS_CHAN_2GHZ(chan)) {
ratesArray[rateExtCck] =
targetPowerCckExt.tPow2x[0];
}
}
return true;
}
bool ath9k_hw_set_power_cal_table(struct ath_hal *ah,
struct ath9k_channel *chan,
int16_t *pTxPowerIndexOffset)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *pEepData = &ahp->ah_eeprom;
struct cal_data_per_freq *pRawDataset;
u8 *pCalBChans = NULL;
u16 pdGainOverlap_t2;
static u8 pdadcValues[AR5416_NUM_PDADC_VALUES];
u16 gainBoundaries[AR5416_PD_GAINS_IN_MASK];
u16 numPiers, i, j;
int16_t tMinCalPower;
u16 numXpdGain, xpdMask;
u16 xpdGainValues[AR5416_NUM_PD_GAINS] = { 0, 0, 0, 0 };
u32 reg32, regOffset, regChainOffset;
int16_t modalIdx;
modalIdx = IS_CHAN_2GHZ(chan) ? 1 : 0;
xpdMask = pEepData->modalHeader[modalIdx].xpdGain;
if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_2) {
pdGainOverlap_t2 =
pEepData->modalHeader[modalIdx].pdGainOverlap;
} else {
pdGainOverlap_t2 = (u16)(MS(REG_READ(ah, AR_PHY_TPCRG5),
AR_PHY_TPCRG5_PD_GAIN_OVERLAP));
}
if (IS_CHAN_2GHZ(chan)) {
pCalBChans = pEepData->calFreqPier2G;
numPiers = AR5416_NUM_2G_CAL_PIERS;
} else {
pCalBChans = pEepData->calFreqPier5G;
numPiers = AR5416_NUM_5G_CAL_PIERS;
}
numXpdGain = 0;
for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) {
if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) {
if (numXpdGain >= AR5416_NUM_PD_GAINS)
break;
xpdGainValues[numXpdGain] =
(u16)(AR5416_PD_GAINS_IN_MASK - i);
numXpdGain++;
}
}
REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
(numXpdGain - 1) & 0x3);
REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1,
xpdGainValues[0]);
REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
xpdGainValues[1]);
REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3,
xpdGainValues[2]);
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
if (AR_SREV_5416_V20_OR_LATER(ah) &&
(ahp->ah_rxchainmask == 5 || ahp->ah_txchainmask == 5) &&
(i != 0)) {
regChainOffset = (i == 1) ? 0x2000 : 0x1000;
} else
regChainOffset = i * 0x1000;
if (pEepData->baseEepHeader.txMask & (1 << i)) {
if (IS_CHAN_2GHZ(chan))
pRawDataset = pEepData->calPierData2G[i];
else
pRawDataset = pEepData->calPierData5G[i];
ath9k_hw_get_gain_boundaries_pdadcs(ah, chan,
pRawDataset, pCalBChans,
numPiers, pdGainOverlap_t2,
&tMinCalPower, gainBoundaries,
pdadcValues, numXpdGain);
if ((i == 0) || AR_SREV_5416_V20_OR_LATER(ah)) {
REG_WRITE(ah,
AR_PHY_TPCRG5 + regChainOffset,
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));
}
regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
for (j = 0; j < 32; j++) {
reg32 = ((pdadcValues[4 * j + 0] & 0xFF) << 0) |
((pdadcValues[4 * j + 1] & 0xFF) << 8) |
((pdadcValues[4 * j + 2] & 0xFF) << 16) |
((pdadcValues[4 * j + 3] & 0xFF) << 24);
REG_WRITE(ah, regOffset, reg32);
DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
"PDADC (%d,%4x): %4.4x %8.8x\n",
i, regChainOffset, regOffset,
reg32);
DPRINTF(ah->ah_sc, ATH_DBG_PHY_IO,
"PDADC: Chain %d | PDADC %3d Value %3d | "
"PDADC %3d Value %3d | PDADC %3d Value %3d | "
"PDADC %3d Value %3d |\n",
i, 4 * j, pdadcValues[4 * j],
4 * j + 1, pdadcValues[4 * j + 1],
4 * j + 2, pdadcValues[4 * j + 2],
4 * j + 3,
pdadcValues[4 * j + 3]);
regOffset += 4;
}
}
}
*pTxPowerIndexOffset = 0;
return true;
}
/* XXX: Clean me up, make me more legible */
bool ath9k_hw_eeprom_set_board_values(struct ath_hal *ah,
struct ath9k_channel *chan)
{
struct modal_eep_header *pModal;
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
int i, regChainOffset;
u8 txRxAttenLocal;
u16 ant_config;
pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
txRxAttenLocal = IS_CHAN_2GHZ(chan) ? 23 : 44;
ath9k_hw_get_eeprom_antenna_cfg(ah, chan, 1, &ant_config);
REG_WRITE(ah, AR_PHY_SWITCH_COM, ant_config);
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
if (AR_SREV_9280(ah)) {
if (i >= 2)
break;
}
if (AR_SREV_5416_V20_OR_LATER(ah) &&
(ahp->ah_rxchainmask == 5 || ahp->ah_txchainmask == 5)
&& (i != 0))
regChainOffset = (i == 1) ? 0x2000 : 0x1000;
else
regChainOffset = i * 0x1000;
REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset,
pModal->antCtrlChain[i]);
REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset,
(REG_READ(ah,
AR_PHY_TIMING_CTRL4(0) +
regChainOffset) &
~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
SM(pModal->iqCalICh[i],
AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
SM(pModal->iqCalQCh[i],
AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
if ((i == 0) || AR_SREV_5416_V20_OR_LATER(ah)) {
if ((eep->baseEepHeader.version &
AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_3) {
txRxAttenLocal = pModal->txRxAttenCh[i];
if (AR_SREV_9280_10_OR_LATER(ah)) {
REG_RMW_FIELD(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
pModal->
bswMargin[i]);
REG_RMW_FIELD(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
AR_PHY_GAIN_2GHZ_XATTEN1_DB,
pModal->
bswAtten[i]);
REG_RMW_FIELD(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
pModal->
xatten2Margin[i]);
REG_RMW_FIELD(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
AR_PHY_GAIN_2GHZ_XATTEN2_DB,
pModal->
xatten2Db[i]);
} else {
REG_WRITE(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
(REG_READ(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset) &
~AR_PHY_GAIN_2GHZ_BSW_MARGIN)
| SM(pModal->
bswMargin[i],
AR_PHY_GAIN_2GHZ_BSW_MARGIN));
REG_WRITE(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
(REG_READ(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset) &
~AR_PHY_GAIN_2GHZ_BSW_ATTEN)
| SM(pModal->bswAtten[i],
AR_PHY_GAIN_2GHZ_BSW_ATTEN));
}
}
if (AR_SREV_9280_10_OR_LATER(ah)) {
REG_RMW_FIELD(ah,
AR_PHY_RXGAIN +
regChainOffset,
AR9280_PHY_RXGAIN_TXRX_ATTEN,
txRxAttenLocal);
REG_RMW_FIELD(ah,
AR_PHY_RXGAIN +
regChainOffset,
AR9280_PHY_RXGAIN_TXRX_MARGIN,
pModal->rxTxMarginCh[i]);
} else {
REG_WRITE(ah,
AR_PHY_RXGAIN + regChainOffset,
(REG_READ(ah,
AR_PHY_RXGAIN +
regChainOffset) &
~AR_PHY_RXGAIN_TXRX_ATTEN) |
SM(txRxAttenLocal,
AR_PHY_RXGAIN_TXRX_ATTEN));
REG_WRITE(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset,
(REG_READ(ah,
AR_PHY_GAIN_2GHZ +
regChainOffset) &
~AR_PHY_GAIN_2GHZ_RXTX_MARGIN) |
SM(pModal->rxTxMarginCh[i],
AR_PHY_GAIN_2GHZ_RXTX_MARGIN));
}
}
}
if (AR_SREV_9280_10_OR_LATER(ah)) {
if (IS_CHAN_2GHZ(chan)) {
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH0,
AR_AN_RF2G1_CH0_OB,
AR_AN_RF2G1_CH0_OB_S,
pModal->ob);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH0,
AR_AN_RF2G1_CH0_DB,
AR_AN_RF2G1_CH0_DB_S,
pModal->db);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH1,
AR_AN_RF2G1_CH1_OB,
AR_AN_RF2G1_CH1_OB_S,
pModal->ob_ch1);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF2G1_CH1,
AR_AN_RF2G1_CH1_DB,
AR_AN_RF2G1_CH1_DB_S,
pModal->db_ch1);
} else {
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH0,
AR_AN_RF5G1_CH0_OB5,
AR_AN_RF5G1_CH0_OB5_S,
pModal->ob);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH0,
AR_AN_RF5G1_CH0_DB5,
AR_AN_RF5G1_CH0_DB5_S,
pModal->db);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH1,
AR_AN_RF5G1_CH1_OB5,
AR_AN_RF5G1_CH1_OB5_S,
pModal->ob_ch1);
ath9k_hw_analog_shift_rmw(ah, AR_AN_RF5G1_CH1,
AR_AN_RF5G1_CH1_DB5,
AR_AN_RF5G1_CH1_DB5_S,
pModal->db_ch1);
}
ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
AR_AN_TOP2_XPABIAS_LVL,
AR_AN_TOP2_XPABIAS_LVL_S,
pModal->xpaBiasLvl);
ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
AR_AN_TOP2_LOCALBIAS,
AR_AN_TOP2_LOCALBIAS_S,
pModal->local_bias);
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "ForceXPAon: %d\n",
pModal->force_xpaon);
REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
pModal->force_xpaon);
}
REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH,
pModal->switchSettling);
REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_ADC,
pModal->adcDesiredSize);
if (!AR_SREV_9280_10_OR_LATER(ah))
REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
AR_PHY_DESIRED_SZ_PGA,
pModal->pgaDesiredSize);
REG_WRITE(ah, AR_PHY_RF_CTL4,
SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF)
| SM(pModal->txEndToXpaOff,
AR_PHY_RF_CTL4_TX_END_XPAB_OFF)
| SM(pModal->txFrameToXpaOn,
AR_PHY_RF_CTL4_FRAME_XPAA_ON)
| SM(pModal->txFrameToXpaOn,
AR_PHY_RF_CTL4_FRAME_XPAB_ON));
REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
pModal->txEndToRxOn);
if (AR_SREV_9280_10_OR_LATER(ah)) {
REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
pModal->thresh62);
REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0,
AR_PHY_EXT_CCA0_THRESH62,
pModal->thresh62);
} else {
REG_RMW_FIELD(ah, AR_PHY_CCA, AR_PHY_CCA_THRESH62,
pModal->thresh62);
REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
AR_PHY_EXT_CCA_THRESH62,
pModal->thresh62);
}
if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_2) {
REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
AR_PHY_TX_END_DATA_START,
pModal->txFrameToDataStart);
REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_END_PA_ON,
pModal->txFrameToPaOn);
}
if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_3) {
if (IS_CHAN_HT40(chan))
REG_RMW_FIELD(ah, AR_PHY_SETTLING,
AR_PHY_SETTLING_SWITCH,
pModal->swSettleHt40);
}
return true;
}
int ath9k_hw_get_eeprom_antenna_cfg(struct ath_hal *ah,
struct ath9k_channel *chan,
u8 index, u16 *config)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
struct modal_eep_header *pModal =
&(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
struct base_eep_header *pBase = &eep->baseEepHeader;
switch (index) {
case 0:
*config = pModal->antCtrlCommon & 0xFFFF;
return 0;
case 1:
if (pBase->version >= 0x0E0D) {
if (pModal->useAnt1) {
*config =
((pModal->antCtrlCommon & 0xFFFF0000) >> 16);
return 0;
}
}
break;
default:
break;
}
return -EINVAL;
}
u8 ath9k_hw_get_num_ant_config(struct ath_hal *ah,
enum ieee80211_band freq_band)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
struct modal_eep_header *pModal =
&(eep->modalHeader[IEEE80211_BAND_5GHZ == freq_band]);
struct base_eep_header *pBase = &eep->baseEepHeader;
u8 num_ant_config;
num_ant_config = 1;
if (pBase->version >= 0x0E0D)
if (pModal->useAnt1)
num_ant_config += 1;
return num_ant_config;
}
u16 ath9k_hw_eeprom_get_spur_chan(struct ath_hal *ah, u16 i, bool is2GHz)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep =
(struct ar5416_eeprom *) &ahp->ah_eeprom;
u16 spur_val = AR_NO_SPUR;
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"Getting spur idx %d is2Ghz. %d val %x\n",
i, is2GHz, ah->ah_config.spurchans[i][is2GHz]);
switch (ah->ah_config.spurmode) {
case SPUR_DISABLE:
break;
case SPUR_ENABLE_IOCTL:
spur_val = ah->ah_config.spurchans[i][is2GHz];
DPRINTF(ah->ah_sc, ATH_DBG_ANI,
"Getting spur val from new loc. %d\n", spur_val);
break;
case SPUR_ENABLE_EEPROM:
spur_val = eep->modalHeader[is2GHz].spurChans[i].spurChan;
break;
}
return spur_val;
}
u32 ath9k_hw_get_eeprom(struct ath_hal *ah,
enum eeprom_param param)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ar5416_eeprom *eep = &ahp->ah_eeprom;
struct modal_eep_header *pModal = eep->modalHeader;
struct base_eep_header *pBase = &eep->baseEepHeader;
switch (param) {
case EEP_NFTHRESH_5:
return -pModal[0].noiseFloorThreshCh[0];
case EEP_NFTHRESH_2:
return -pModal[1].noiseFloorThreshCh[0];
case AR_EEPROM_MAC(0):
return pBase->macAddr[0] << 8 | pBase->macAddr[1];
case AR_EEPROM_MAC(1):
return pBase->macAddr[2] << 8 | pBase->macAddr[3];
case AR_EEPROM_MAC(2):
return pBase->macAddr[4] << 8 | pBase->macAddr[5];
case EEP_REG_0:
return pBase->regDmn[0];
case EEP_REG_1:
return pBase->regDmn[1];
case EEP_OP_CAP:
return pBase->deviceCap;
case EEP_OP_MODE:
return pBase->opCapFlags;
case EEP_RF_SILENT:
return pBase->rfSilent;
case EEP_OB_5:
return pModal[0].ob;
case EEP_DB_5:
return pModal[0].db;
case EEP_OB_2:
return pModal[1].ob;
case EEP_DB_2:
return pModal[1].db;
case EEP_MINOR_REV:
return pBase->version & AR5416_EEP_VER_MINOR_MASK;
case EEP_TX_MASK:
return pBase->txMask;
case EEP_RX_MASK:
return pBase->rxMask;
default:
return 0;
}
}
int ath9k_hw_eeprom_attach(struct ath_hal *ah)
{
int status;
if (ath9k_hw_use_flash(ah))
ath9k_hw_flash_map(ah);
if (!ath9k_hw_fill_eeprom(ah))
return -EIO;
status = ath9k_hw_check_eeprom(ah);
return status;
}
This source diff could not be displayed because it is too large. You can view the blob instead.
...@@ -923,7 +923,7 @@ struct ath_hal_5416 { ...@@ -923,7 +923,7 @@ struct ath_hal_5416 {
#define OFDM_PLCP_BITS_QUARTER 22 #define OFDM_PLCP_BITS_QUARTER 22
#define OFDM_SYMBOL_TIME_QUARTER 16 #define OFDM_SYMBOL_TIME_QUARTER 16
u32 ath9k_hw_get_eeprom(struct ath_hal_5416 *ahp, u32 ath9k_hw_get_eeprom(struct ath_hal *ah,
enum eeprom_param param); enum eeprom_param param);
#endif #endif
/*
* Copyright (c) 2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core.h"
#include "hw.h"
#include "reg.h"
#include "phy.h"
static void ath9k_hw_set_txq_interrupts(struct ath_hal *ah,
struct ath9k_tx_queue_info *qi)
{
struct ath_hal_5416 *ahp = AH5416(ah);
DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
"%s: tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
__func__, ahp->ah_txOkInterruptMask,
ahp->ah_txErrInterruptMask, ahp->ah_txDescInterruptMask,
ahp->ah_txEolInterruptMask, ahp->ah_txUrnInterruptMask);
REG_WRITE(ah, AR_IMR_S0,
SM(ahp->ah_txOkInterruptMask, AR_IMR_S0_QCU_TXOK)
| SM(ahp->ah_txDescInterruptMask, AR_IMR_S0_QCU_TXDESC));
REG_WRITE(ah, AR_IMR_S1,
SM(ahp->ah_txErrInterruptMask, AR_IMR_S1_QCU_TXERR)
| SM(ahp->ah_txEolInterruptMask, AR_IMR_S1_QCU_TXEOL));
REG_RMW_FIELD(ah, AR_IMR_S2,
AR_IMR_S2_QCU_TXURN, ahp->ah_txUrnInterruptMask);
}
void ath9k_hw_dmaRegDump(struct ath_hal *ah)
{
u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
int qcuOffset = 0, dcuOffset = 0;
u32 *qcuBase = &val[0], *dcuBase = &val[4];
int i;
REG_WRITE(ah, AR_MACMISC,
((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
(AR_MACMISC_MISC_OBS_BUS_1 <<
AR_MACMISC_MISC_OBS_BUS_MSB_S)));
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "Raw DMA Debug values:\n");
for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
if (i % 4 == 0)
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "%d: %08x ", i, val[i]);
}
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n\n");
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
for (i = 0; i < ATH9K_NUM_QUEUES;
i++, qcuOffset += 4, dcuOffset += 5) {
if (i == 8) {
qcuOffset = 0;
qcuBase++;
}
if (i == 6) {
dcuOffset = 0;
dcuBase++;
}
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"%2d %2x %1x %2x %2x\n",
i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
val[2] & (0x7 << (i * 3)) >> (i * 3),
(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
}
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"qcu_stitch state: %2x qcu_fetch state: %2x\n",
(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"qcu_complete state: %2x dcu_complete state: %2x\n",
(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"dcu_arb state: %2x dcu_fp state: %2x\n",
(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "pcu observe 0x%x \n",
REG_READ(ah, AR_OBS_BUS_1));
DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
"AR_CR 0x%x \n", REG_READ(ah, AR_CR));
}
u32 ath9k_hw_gettxbuf(struct ath_hal *ah, u32 q)
{
return REG_READ(ah, AR_QTXDP(q));
}
bool ath9k_hw_puttxbuf(struct ath_hal *ah, u32 q, u32 txdp)
{
REG_WRITE(ah, AR_QTXDP(q), txdp);
return true;
}
bool ath9k_hw_txstart(struct ath_hal *ah, u32 q)
{
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
REG_WRITE(ah, AR_Q_TXE, 1 << q);
return true;
}
u32 ath9k_hw_numtxpending(struct ath_hal *ah, u32 q)
{
u32 npend;
npend = REG_READ(ah, AR_QSTS(q)) & AR_Q_STS_PEND_FR_CNT;
if (npend == 0) {
if (REG_READ(ah, AR_Q_TXE) & (1 << q))
npend = 1;
}
return npend;
}
bool ath9k_hw_updatetxtriglevel(struct ath_hal *ah, bool bIncTrigLevel)
{
struct ath_hal_5416 *ahp = AH5416(ah);
u32 txcfg, curLevel, newLevel;
enum ath9k_int omask;
if (ah->ah_txTrigLevel >= MAX_TX_FIFO_THRESHOLD)
return false;
omask = ath9k_hw_set_interrupts(ah, ahp->ah_maskReg & ~ATH9K_INT_GLOBAL);
txcfg = REG_READ(ah, AR_TXCFG);
curLevel = MS(txcfg, AR_FTRIG);
newLevel = curLevel;
if (bIncTrigLevel) {
if (curLevel < MAX_TX_FIFO_THRESHOLD)
newLevel++;
} else if (curLevel > MIN_TX_FIFO_THRESHOLD)
newLevel--;
if (newLevel != curLevel)
REG_WRITE(ah, AR_TXCFG,
(txcfg & ~AR_FTRIG) | SM(newLevel, AR_FTRIG));
ath9k_hw_set_interrupts(ah, omask);
ah->ah_txTrigLevel = newLevel;
return newLevel != curLevel;
}
bool ath9k_hw_stoptxdma(struct ath_hal *ah, u32 q)
{
u32 tsfLow, j, wait;
REG_WRITE(ah, AR_Q_TXD, 1 << q);
for (wait = 1000; wait != 0; wait--) {
if (ath9k_hw_numtxpending(ah, q) == 0)
break;
udelay(100);
}
if (ath9k_hw_numtxpending(ah, q)) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
"%s: Num of pending TX Frames %d on Q %d\n",
__func__, ath9k_hw_numtxpending(ah, q), q);
for (j = 0; j < 2; j++) {
tsfLow = REG_READ(ah, AR_TSF_L32);
REG_WRITE(ah, AR_QUIET2,
SM(10, AR_QUIET2_QUIET_DUR));
REG_WRITE(ah, AR_QUIET_PERIOD, 100);
REG_WRITE(ah, AR_NEXT_QUIET_TIMER, tsfLow >> 10);
REG_SET_BIT(ah, AR_TIMER_MODE,
AR_QUIET_TIMER_EN);
if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
break;
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
"%s: TSF have moved while trying to set "
"quiet time TSF: 0x%08x\n",
__func__, tsfLow);
}
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
udelay(200);
REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN);
wait = 1000;
while (ath9k_hw_numtxpending(ah, q)) {
if ((--wait) == 0) {
DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
"%s: Failed to stop Tx DMA in 100 "
"msec after killing last frame\n",
__func__);
break;
}
udelay(100);
}
REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
}
REG_WRITE(ah, AR_Q_TXD, 0);
return wait != 0;
}
bool ath9k_hw_filltxdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 segLen, bool firstSeg,
bool lastSeg, const struct ath_desc *ds0)
{
struct ar5416_desc *ads = AR5416DESC(ds);
if (firstSeg) {
ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_TxMore);
} else if (lastSeg) {
ads->ds_ctl0 = 0;
ads->ds_ctl1 = segLen;
ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
} else {
ads->ds_ctl0 = 0;
ads->ds_ctl1 = segLen | AR_TxMore;
ads->ds_ctl2 = 0;
ads->ds_ctl3 = 0;
}
ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
return true;
}
void ath9k_hw_cleartxdesc(struct ath_hal *ah, struct ath_desc *ds)
{
struct ar5416_desc *ads = AR5416DESC(ds);
ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
}
int ath9k_hw_txprocdesc(struct ath_hal *ah, struct ath_desc *ds)
{
struct ar5416_desc *ads = AR5416DESC(ds);
if ((ads->ds_txstatus9 & AR_TxDone) == 0)
return -EINPROGRESS;
ds->ds_txstat.ts_seqnum = MS(ads->ds_txstatus9, AR_SeqNum);
ds->ds_txstat.ts_tstamp = ads->AR_SendTimestamp;
ds->ds_txstat.ts_status = 0;
ds->ds_txstat.ts_flags = 0;
if (ads->ds_txstatus1 & AR_ExcessiveRetries)
ds->ds_txstat.ts_status |= ATH9K_TXERR_XRETRY;
if (ads->ds_txstatus1 & AR_Filtered)
ds->ds_txstat.ts_status |= ATH9K_TXERR_FILT;
if (ads->ds_txstatus1 & AR_FIFOUnderrun)
ds->ds_txstat.ts_status |= ATH9K_TXERR_FIFO;
if (ads->ds_txstatus9 & AR_TxOpExceeded)
ds->ds_txstat.ts_status |= ATH9K_TXERR_XTXOP;
if (ads->ds_txstatus1 & AR_TxTimerExpired)
ds->ds_txstat.ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
if (ads->ds_txstatus1 & AR_DescCfgErr)
ds->ds_txstat.ts_flags |= ATH9K_TX_DESC_CFG_ERR;
if (ads->ds_txstatus1 & AR_TxDataUnderrun) {
ds->ds_txstat.ts_flags |= ATH9K_TX_DATA_UNDERRUN;
ath9k_hw_updatetxtriglevel(ah, true);
}
if (ads->ds_txstatus1 & AR_TxDelimUnderrun) {
ds->ds_txstat.ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
ath9k_hw_updatetxtriglevel(ah, true);
}
if (ads->ds_txstatus0 & AR_TxBaStatus) {
ds->ds_txstat.ts_flags |= ATH9K_TX_BA;
ds->ds_txstat.ba_low = ads->AR_BaBitmapLow;
ds->ds_txstat.ba_high = ads->AR_BaBitmapHigh;
}
ds->ds_txstat.ts_rateindex = MS(ads->ds_txstatus9, AR_FinalTxIdx);
switch (ds->ds_txstat.ts_rateindex) {
case 0:
ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate0);
break;
case 1:
ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate1);
break;
case 2:
ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate2);
break;
case 3:
ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate3);
break;
}
ds->ds_txstat.ts_rssi = MS(ads->ds_txstatus5, AR_TxRSSICombined);
ds->ds_txstat.ts_rssi_ctl0 = MS(ads->ds_txstatus0, AR_TxRSSIAnt00);
ds->ds_txstat.ts_rssi_ctl1 = MS(ads->ds_txstatus0, AR_TxRSSIAnt01);
ds->ds_txstat.ts_rssi_ctl2 = MS(ads->ds_txstatus0, AR_TxRSSIAnt02);
ds->ds_txstat.ts_rssi_ext0 = MS(ads->ds_txstatus5, AR_TxRSSIAnt10);
ds->ds_txstat.ts_rssi_ext1 = MS(ads->ds_txstatus5, AR_TxRSSIAnt11);
ds->ds_txstat.ts_rssi_ext2 = MS(ads->ds_txstatus5, AR_TxRSSIAnt12);
ds->ds_txstat.evm0 = ads->AR_TxEVM0;
ds->ds_txstat.evm1 = ads->AR_TxEVM1;
ds->ds_txstat.evm2 = ads->AR_TxEVM2;
ds->ds_txstat.ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
ds->ds_txstat.ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
ds->ds_txstat.ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
ds->ds_txstat.ts_antenna = 1;
return 0;
}
void ath9k_hw_set11n_txdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 pktLen, enum ath9k_pkt_type type, u32 txPower,
u32 keyIx, enum ath9k_key_type keyType, u32 flags)
{
struct ar5416_desc *ads = AR5416DESC(ds);
struct ath_hal_5416 *ahp = AH5416(ah);
txPower += ahp->ah_txPowerIndexOffset;
if (txPower > 63)
txPower = 63;
ads->ds_ctl0 = (pktLen & AR_FrameLen)
| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
| SM(txPower, AR_XmitPower)
| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
| (flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
| (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
ads->ds_ctl1 =
(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
| SM(type, AR_FrameType)
| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
ads->ds_ctl6 = SM(keyType, AR_EncrType);
if (AR_SREV_9285(ah)) {
ads->ds_ctl8 = 0;
ads->ds_ctl9 = 0;
ads->ds_ctl10 = 0;
ads->ds_ctl11 = 0;
}
}
void ath9k_hw_set11n_ratescenario(struct ath_hal *ah, struct ath_desc *ds,
struct ath_desc *lastds,
u32 durUpdateEn, u32 rtsctsRate,
u32 rtsctsDuration,
struct ath9k_11n_rate_series series[],
u32 nseries, u32 flags)
{
struct ar5416_desc *ads = AR5416DESC(ds);
struct ar5416_desc *last_ads = AR5416DESC(lastds);
u32 ds_ctl0;
(void) nseries;
(void) rtsctsDuration;
if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
ds_ctl0 = ads->ds_ctl0;
if (flags & ATH9K_TXDESC_RTSENA) {
ds_ctl0 &= ~AR_CTSEnable;
ds_ctl0 |= AR_RTSEnable;
} else {
ds_ctl0 &= ~AR_RTSEnable;
ds_ctl0 |= AR_CTSEnable;
}
ads->ds_ctl0 = ds_ctl0;
} else {
ads->ds_ctl0 =
(ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
}
ads->ds_ctl2 = set11nTries(series, 0)
| set11nTries(series, 1)
| set11nTries(series, 2)
| set11nTries(series, 3)
| (durUpdateEn ? AR_DurUpdateEna : 0)
| SM(0, AR_BurstDur);
ads->ds_ctl3 = set11nRate(series, 0)
| set11nRate(series, 1)
| set11nRate(series, 2)
| set11nRate(series, 3);
ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
| set11nPktDurRTSCTS(series, 1);
ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
| set11nPktDurRTSCTS(series, 3);
ads->ds_ctl7 = set11nRateFlags(series, 0)
| set11nRateFlags(series, 1)
| set11nRateFlags(series, 2)
| set11nRateFlags(series, 3)
| SM(rtsctsRate, AR_RTSCTSRate);
last_ads->ds_ctl2 = ads->ds_ctl2;
last_ads->ds_ctl3 = ads->ds_ctl3;
}
void ath9k_hw_set11n_aggr_first(struct ath_hal *ah, struct ath_desc *ds,
u32 aggrLen)
{
struct ar5416_desc *ads = AR5416DESC(ds);
ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
ads->ds_ctl6 &= ~AR_AggrLen;
ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
}
void ath9k_hw_set11n_aggr_middle(struct ath_hal *ah, struct ath_desc *ds,
u32 numDelims)
{
struct ar5416_desc *ads = AR5416DESC(ds);
unsigned int ctl6;
ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
ctl6 = ads->ds_ctl6;
ctl6 &= ~AR_PadDelim;
ctl6 |= SM(numDelims, AR_PadDelim);
ads->ds_ctl6 = ctl6;
}
void ath9k_hw_set11n_aggr_last(struct ath_hal *ah, struct ath_desc *ds)
{
struct ar5416_desc *ads = AR5416DESC(ds);
ads->ds_ctl1 |= AR_IsAggr;
ads->ds_ctl1 &= ~AR_MoreAggr;
ads->ds_ctl6 &= ~AR_PadDelim;
}
void ath9k_hw_clr11n_aggr(struct ath_hal *ah, struct ath_desc *ds)
{
struct ar5416_desc *ads = AR5416DESC(ds);
ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
}
void ath9k_hw_set11n_burstduration(struct ath_hal *ah, struct ath_desc *ds,
u32 burstDuration)
{
struct ar5416_desc *ads = AR5416DESC(ds);
ads->ds_ctl2 &= ~AR_BurstDur;
ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);
}
void ath9k_hw_set11n_virtualmorefrag(struct ath_hal *ah, struct ath_desc *ds,
u32 vmf)
{
struct ar5416_desc *ads = AR5416DESC(ds);
if (vmf)
ads->ds_ctl0 |= AR_VirtMoreFrag;
else
ads->ds_ctl0 &= ~AR_VirtMoreFrag;
}
void ath9k_hw_gettxintrtxqs(struct ath_hal *ah, u32 *txqs)
{
struct ath_hal_5416 *ahp = AH5416(ah);
*txqs &= ahp->ah_intrTxqs;
ahp->ah_intrTxqs &= ~(*txqs);
}
bool ath9k_hw_set_txq_props(struct ath_hal *ah, int q,
const struct ath9k_tx_queue_info *qinfo)
{
u32 cw;
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
__func__, q);
return false;
}
qi = &ahp->ah_txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
__func__);
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %p\n", __func__, qi);
qi->tqi_ver = qinfo->tqi_ver;
qi->tqi_subtype = qinfo->tqi_subtype;
qi->tqi_qflags = qinfo->tqi_qflags;
qi->tqi_priority = qinfo->tqi_priority;
if (qinfo->tqi_aifs != ATH9K_TXQ_USEDEFAULT)
qi->tqi_aifs = min(qinfo->tqi_aifs, 255U);
else
qi->tqi_aifs = INIT_AIFS;
if (qinfo->tqi_cwmin != ATH9K_TXQ_USEDEFAULT) {
cw = min(qinfo->tqi_cwmin, 1024U);
qi->tqi_cwmin = 1;
while (qi->tqi_cwmin < cw)
qi->tqi_cwmin = (qi->tqi_cwmin << 1) | 1;
} else
qi->tqi_cwmin = qinfo->tqi_cwmin;
if (qinfo->tqi_cwmax != ATH9K_TXQ_USEDEFAULT) {
cw = min(qinfo->tqi_cwmax, 1024U);
qi->tqi_cwmax = 1;
while (qi->tqi_cwmax < cw)
qi->tqi_cwmax = (qi->tqi_cwmax << 1) | 1;
} else
qi->tqi_cwmax = INIT_CWMAX;
if (qinfo->tqi_shretry != 0)
qi->tqi_shretry = min((u32) qinfo->tqi_shretry, 15U);
else
qi->tqi_shretry = INIT_SH_RETRY;
if (qinfo->tqi_lgretry != 0)
qi->tqi_lgretry = min((u32) qinfo->tqi_lgretry, 15U);
else
qi->tqi_lgretry = INIT_LG_RETRY;
qi->tqi_cbrPeriod = qinfo->tqi_cbrPeriod;
qi->tqi_cbrOverflowLimit = qinfo->tqi_cbrOverflowLimit;
qi->tqi_burstTime = qinfo->tqi_burstTime;
qi->tqi_readyTime = qinfo->tqi_readyTime;
switch (qinfo->tqi_subtype) {
case ATH9K_WME_UPSD:
if (qi->tqi_type == ATH9K_TX_QUEUE_DATA)
qi->tqi_intFlags = ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS;
break;
default:
break;
}
return true;
}
bool ath9k_hw_get_txq_props(struct ath_hal *ah, int q,
struct ath9k_tx_queue_info *qinfo)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
__func__, q);
return false;
}
qi = &ahp->ah_txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
__func__);
return false;
}
qinfo->tqi_qflags = qi->tqi_qflags;
qinfo->tqi_ver = qi->tqi_ver;
qinfo->tqi_subtype = qi->tqi_subtype;
qinfo->tqi_qflags = qi->tqi_qflags;
qinfo->tqi_priority = qi->tqi_priority;
qinfo->tqi_aifs = qi->tqi_aifs;
qinfo->tqi_cwmin = qi->tqi_cwmin;
qinfo->tqi_cwmax = qi->tqi_cwmax;
qinfo->tqi_shretry = qi->tqi_shretry;
qinfo->tqi_lgretry = qi->tqi_lgretry;
qinfo->tqi_cbrPeriod = qi->tqi_cbrPeriod;
qinfo->tqi_cbrOverflowLimit = qi->tqi_cbrOverflowLimit;
qinfo->tqi_burstTime = qi->tqi_burstTime;
qinfo->tqi_readyTime = qi->tqi_readyTime;
return true;
}
int ath9k_hw_setuptxqueue(struct ath_hal *ah, enum ath9k_tx_queue type,
const struct ath9k_tx_queue_info *qinfo)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_tx_queue_info *qi;
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
int q;
switch (type) {
case ATH9K_TX_QUEUE_BEACON:
q = pCap->total_queues - 1;
break;
case ATH9K_TX_QUEUE_CAB:
q = pCap->total_queues - 2;
break;
case ATH9K_TX_QUEUE_PSPOLL:
q = 1;
break;
case ATH9K_TX_QUEUE_UAPSD:
q = pCap->total_queues - 3;
break;
case ATH9K_TX_QUEUE_DATA:
for (q = 0; q < pCap->total_queues; q++)
if (ahp->ah_txq[q].tqi_type ==
ATH9K_TX_QUEUE_INACTIVE)
break;
if (q == pCap->total_queues) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
"%s: no available tx queue\n", __func__);
return -1;
}
break;
default:
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: bad tx queue type %u\n",
__func__, type);
return -1;
}
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
qi = &ahp->ah_txq[q];
if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
"%s: tx queue %u already active\n", __func__, q);
return -1;
}
memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
qi->tqi_type = type;
if (qinfo == NULL) {
qi->tqi_qflags =
TXQ_FLAG_TXOKINT_ENABLE
| TXQ_FLAG_TXERRINT_ENABLE
| TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
qi->tqi_aifs = INIT_AIFS;
qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
qi->tqi_cwmax = INIT_CWMAX;
qi->tqi_shretry = INIT_SH_RETRY;
qi->tqi_lgretry = INIT_LG_RETRY;
qi->tqi_physCompBuf = 0;
} else {
qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
(void) ath9k_hw_set_txq_props(ah, q, qinfo);
}
return q;
}
bool ath9k_hw_releasetxqueue(struct ath_hal *ah, u32 q)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
__func__, q);
return false;
}
qi = &ahp->ah_txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
__func__, q);
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: release queue %u\n",
__func__, q);
qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
ahp->ah_txOkInterruptMask &= ~(1 << q);
ahp->ah_txErrInterruptMask &= ~(1 << q);
ahp->ah_txDescInterruptMask &= ~(1 << q);
ahp->ah_txEolInterruptMask &= ~(1 << q);
ahp->ah_txUrnInterruptMask &= ~(1 << q);
ath9k_hw_set_txq_interrupts(ah, qi);
return true;
}
bool ath9k_hw_resettxqueue(struct ath_hal *ah, u32 q)
{
struct ath_hal_5416 *ahp = AH5416(ah);
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
struct ath9k_channel *chan = ah->ah_curchan;
struct ath9k_tx_queue_info *qi;
u32 cwMin, chanCwMin, value;
if (q >= pCap->total_queues) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
__func__, q);
return false;
}
qi = &ahp->ah_txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
__func__, q);
return true;
}
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: reset queue %u\n", __func__, q);
if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
if (chan && IS_CHAN_B(chan))
chanCwMin = INIT_CWMIN_11B;
else
chanCwMin = INIT_CWMIN;
for (cwMin = 1; cwMin < chanCwMin; cwMin = (cwMin << 1) | 1);
} else
cwMin = qi->tqi_cwmin;
REG_WRITE(ah, AR_DLCL_IFS(q),
SM(cwMin, AR_D_LCL_IFS_CWMIN) |
SM(qi->tqi_cwmax, AR_D_LCL_IFS_CWMAX) |
SM(qi->tqi_aifs, AR_D_LCL_IFS_AIFS));
REG_WRITE(ah, AR_DRETRY_LIMIT(q),
SM(INIT_SSH_RETRY, AR_D_RETRY_LIMIT_STA_SH) |
SM(INIT_SLG_RETRY, AR_D_RETRY_LIMIT_STA_LG) |
SM(qi->tqi_shretry, AR_D_RETRY_LIMIT_FR_SH));
REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
REG_WRITE(ah, AR_DMISC(q),
AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
if (qi->tqi_cbrPeriod) {
REG_WRITE(ah, AR_QCBRCFG(q),
SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
SM(qi->tqi_cbrOverflowLimit, AR_Q_CBRCFG_OVF_THRESH));
REG_WRITE(ah, AR_QMISC(q),
REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_FSP_CBR |
(qi->tqi_cbrOverflowLimit ?
AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN : 0));
}
if (qi->tqi_readyTime && (qi->tqi_type != ATH9K_TX_QUEUE_CAB)) {
REG_WRITE(ah, AR_QRDYTIMECFG(q),
SM(qi->tqi_readyTime, AR_Q_RDYTIMECFG_DURATION) |
AR_Q_RDYTIMECFG_EN);
}
REG_WRITE(ah, AR_DCHNTIME(q),
SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |
(qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
if (qi->tqi_burstTime
&& (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)) {
REG_WRITE(ah, AR_QMISC(q),
REG_READ(ah, AR_QMISC(q)) |
AR_Q_MISC_RDYTIME_EXP_POLICY);
}
if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE) {
REG_WRITE(ah, AR_DMISC(q),
REG_READ(ah, AR_DMISC(q)) |
AR_D_MISC_POST_FR_BKOFF_DIS);
}
if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) {
REG_WRITE(ah, AR_DMISC(q),
REG_READ(ah, AR_DMISC(q)) |
AR_D_MISC_FRAG_BKOFF_EN);
}
switch (qi->tqi_type) {
case ATH9K_TX_QUEUE_BEACON:
REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
| AR_Q_MISC_FSP_DBA_GATED
| AR_Q_MISC_BEACON_USE
| AR_Q_MISC_CBR_INCR_DIS1);
REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
| (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
AR_D_MISC_ARB_LOCKOUT_CNTRL_S)
| AR_D_MISC_BEACON_USE
| AR_D_MISC_POST_FR_BKOFF_DIS);
break;
case ATH9K_TX_QUEUE_CAB:
REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
| AR_Q_MISC_FSP_DBA_GATED
| AR_Q_MISC_CBR_INCR_DIS1
| AR_Q_MISC_CBR_INCR_DIS0);
value = (qi->tqi_readyTime -
(ah->ah_config.sw_beacon_response_time -
ah->ah_config.dma_beacon_response_time) -
ah->ah_config.additional_swba_backoff) * 1024;
REG_WRITE(ah, AR_QRDYTIMECFG(q),
value | AR_Q_RDYTIMECFG_EN);
REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
| (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
AR_D_MISC_ARB_LOCKOUT_CNTRL_S));
break;
case ATH9K_TX_QUEUE_PSPOLL:
REG_WRITE(ah, AR_QMISC(q),
REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_CBR_INCR_DIS1);
break;
case ATH9K_TX_QUEUE_UAPSD:
REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q)) |
AR_D_MISC_POST_FR_BKOFF_DIS);
break;
default:
break;
}
if (qi->tqi_intFlags & ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS) {
REG_WRITE(ah, AR_DMISC(q),
REG_READ(ah, AR_DMISC(q)) |
SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
AR_D_MISC_ARB_LOCKOUT_CNTRL) |
AR_D_MISC_POST_FR_BKOFF_DIS);
}
if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
ahp->ah_txOkInterruptMask |= 1 << q;
else
ahp->ah_txOkInterruptMask &= ~(1 << q);
if (qi->tqi_qflags & TXQ_FLAG_TXERRINT_ENABLE)
ahp->ah_txErrInterruptMask |= 1 << q;
else
ahp->ah_txErrInterruptMask &= ~(1 << q);
if (qi->tqi_qflags & TXQ_FLAG_TXDESCINT_ENABLE)
ahp->ah_txDescInterruptMask |= 1 << q;
else
ahp->ah_txDescInterruptMask &= ~(1 << q);
if (qi->tqi_qflags & TXQ_FLAG_TXEOLINT_ENABLE)
ahp->ah_txEolInterruptMask |= 1 << q;
else
ahp->ah_txEolInterruptMask &= ~(1 << q);
if (qi->tqi_qflags & TXQ_FLAG_TXURNINT_ENABLE)
ahp->ah_txUrnInterruptMask |= 1 << q;
else
ahp->ah_txUrnInterruptMask &= ~(1 << q);
ath9k_hw_set_txq_interrupts(ah, qi);
return true;
}
int ath9k_hw_rxprocdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 pa, struct ath_desc *nds, u64 tsf)
{
struct ar5416_desc ads;
struct ar5416_desc *adsp = AR5416DESC(ds);
u32 phyerr;
if ((adsp->ds_rxstatus8 & AR_RxDone) == 0)
return -EINPROGRESS;
ads.u.rx = adsp->u.rx;
ds->ds_rxstat.rs_status = 0;
ds->ds_rxstat.rs_flags = 0;
ds->ds_rxstat.rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
ds->ds_rxstat.rs_tstamp = ads.AR_RcvTimestamp;
ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00);
ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01);
ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02);
ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10);
ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11);
ds->ds_rxstat.rs_rssi_ext2 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt12);
if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
ds->ds_rxstat.rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
else
ds->ds_rxstat.rs_keyix = ATH9K_RXKEYIX_INVALID;
ds->ds_rxstat.rs_rate = RXSTATUS_RATE(ah, (&ads));
ds->ds_rxstat.rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
ds->ds_rxstat.rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
ds->ds_rxstat.rs_moreaggr =
(ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0;
ds->ds_rxstat.rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna);
ds->ds_rxstat.rs_flags =
(ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0;
ds->ds_rxstat.rs_flags |=
(ads.ds_rxstatus3 & AR_2040) ? ATH9K_RX_2040 : 0;
if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_POST;
if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
ds->ds_rxstat.rs_flags |= ATH9K_RX_DECRYPT_BUSY;
if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
if (ads.ds_rxstatus8 & AR_CRCErr)
ds->ds_rxstat.rs_status |= ATH9K_RXERR_CRC;
else if (ads.ds_rxstatus8 & AR_PHYErr) {
ds->ds_rxstat.rs_status |= ATH9K_RXERR_PHY;
phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
ds->ds_rxstat.rs_phyerr = phyerr;
} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
ds->ds_rxstat.rs_status |= ATH9K_RXERR_DECRYPT;
else if (ads.ds_rxstatus8 & AR_MichaelErr)
ds->ds_rxstat.rs_status |= ATH9K_RXERR_MIC;
}
return 0;
}
bool ath9k_hw_setuprxdesc(struct ath_hal *ah, struct ath_desc *ds,
u32 size, u32 flags)
{
struct ar5416_desc *ads = AR5416DESC(ds);
struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
ads->ds_ctl1 = size & AR_BufLen;
if (flags & ATH9K_RXDESC_INTREQ)
ads->ds_ctl1 |= AR_RxIntrReq;
ads->ds_rxstatus8 &= ~AR_RxDone;
if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
memset(&(ads->u), 0, sizeof(ads->u));
return true;
}
bool ath9k_hw_setrxabort(struct ath_hal *ah, bool set)
{
u32 reg;
if (set) {
REG_SET_BIT(ah, AR_DIAG_SW,
(AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
if (!ath9k_hw_wait(ah, AR_OBS_BUS_1, AR_OBS_BUS_1_RX_STATE, 0)) {
REG_CLR_BIT(ah, AR_DIAG_SW,
(AR_DIAG_RX_DIS |
AR_DIAG_RX_ABORT));
reg = REG_READ(ah, AR_OBS_BUS_1);
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"%s: rx failed to go idle in 10 ms RXSM=0x%x\n",
__func__, reg);
return false;
}
} else {
REG_CLR_BIT(ah, AR_DIAG_SW,
(AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
}
return true;
}
void ath9k_hw_putrxbuf(struct ath_hal *ah, u32 rxdp)
{
REG_WRITE(ah, AR_RXDP, rxdp);
}
void ath9k_hw_rxena(struct ath_hal *ah)
{
REG_WRITE(ah, AR_CR, AR_CR_RXE);
}
void ath9k_hw_startpcureceive(struct ath_hal *ah)
{
REG_CLR_BIT(ah, AR_DIAG_SW,
(AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
ath9k_enable_mib_counters(ah);
ath9k_ani_reset(ah);
}
void ath9k_hw_stoppcurecv(struct ath_hal *ah)
{
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
ath9k_hw_disable_mib_counters(ah);
}
bool ath9k_hw_stopdmarecv(struct ath_hal *ah)
{
REG_WRITE(ah, AR_CR, AR_CR_RXD);
if (!ath9k_hw_wait(ah, AR_CR, AR_CR_RXE, 0)) {
DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
"%s: dma failed to stop in 10ms\n"
"AR_CR=0x%08x\nAR_DIAG_SW=0x%08x\n",
__func__,
REG_READ(ah, AR_CR), REG_READ(ah, AR_DIAG_SW));
return false;
} else {
return true;
}
}
...@@ -215,7 +215,7 @@ ath9k_hw_set_rf_regs(struct ath_hal *ah, struct ath9k_channel *chan, ...@@ -215,7 +215,7 @@ ath9k_hw_set_rf_regs(struct ath_hal *ah, struct ath9k_channel *chan,
if (AR_SREV_9280_10_OR_LATER(ah)) if (AR_SREV_9280_10_OR_LATER(ah))
return true; return true;
eepMinorRev = ath9k_hw_get_eeprom(ahp, EEP_MINOR_REV); eepMinorRev = ath9k_hw_get_eeprom(ah, EEP_MINOR_REV);
RF_BANK_SETUP(ahp->ah_analogBank0Data, &ahp->ah_iniBank0, 1); RF_BANK_SETUP(ahp->ah_analogBank0Data, &ahp->ah_iniBank0, 1);
...@@ -235,15 +235,15 @@ ath9k_hw_set_rf_regs(struct ath_hal *ah, struct ath9k_channel *chan, ...@@ -235,15 +235,15 @@ ath9k_hw_set_rf_regs(struct ath_hal *ah, struct ath9k_channel *chan,
if (eepMinorRev >= 2) { if (eepMinorRev >= 2) {
if (IS_CHAN_2GHZ(chan)) { if (IS_CHAN_2GHZ(chan)) {
ob2GHz = ath9k_hw_get_eeprom(ahp, EEP_OB_2); ob2GHz = ath9k_hw_get_eeprom(ah, EEP_OB_2);
db2GHz = ath9k_hw_get_eeprom(ahp, EEP_DB_2); db2GHz = ath9k_hw_get_eeprom(ah, EEP_DB_2);
ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data, ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data,
ob2GHz, 3, 197, 0); ob2GHz, 3, 197, 0);
ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data, ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data,
db2GHz, 3, 194, 0); db2GHz, 3, 194, 0);
} else { } else {
ob5GHz = ath9k_hw_get_eeprom(ahp, EEP_OB_5); ob5GHz = ath9k_hw_get_eeprom(ah, EEP_OB_5);
db5GHz = ath9k_hw_get_eeprom(ahp, EEP_DB_5); db5GHz = ath9k_hw_get_eeprom(ah, EEP_DB_5);
ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data, ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data,
ob5GHz, 3, 203, 0); ob5GHz, 3, 203, 0);
ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data, ath9k_phy_modify_rx_buffer(ahp->ah_analogBank6Data,
......
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