HAL_BOOL ar5416StopTxDma(struct ath_hal*ah, a_uint32_t q)
{
a_uint32_t i;
HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
HALASSERT(AH5416(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
OS_REG_WRITE(ah, AR_Q_TXD, 1 << q);
for (i = 1000; i != 0; i--) {
if (ar5416NumTxPending(ah, q) == 0)
break;
OS_DELAY(100); /* XXX get actual value */
}
OS_REG_WRITE(ah, AR_Q_TXD, 0);
return (i != 0);
}
void
ar9130InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
uint32_t pll;
/*
* XXX TODO: support half/quarter rates
*/
if (chan && IEEE80211_IS_CHAN_5GHZ(chan))
pll = 0x1450;
else
pll = 0x1458;
OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
OS_DELAY(RTC_PLL_SETTLE_DELAY);
OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK);
}
/*
* Stop transmit on the specified queue
*/
HAL_BOOL
ar5211StopTxDma(struct ath_hal *ah, u_int q)
{
int i;
HALASSERT(q < HAL_NUM_TX_QUEUES);
HALASSERT(AH5211(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
OS_REG_WRITE(ah, AR_Q_TXD, 1<<q);
for (i = 0; i < 10000; i++) {
if (ar5211NumTxPending(ah, q) == 0)
break;
OS_DELAY(10);
}
OS_REG_WRITE(ah, AR_Q_TXD, 0);
return (i < 10000);
}
/*
* set vap pause in progress flag .
*/
static inline void
ath_vap_pause_set_in_progress(struct ath_softc *sc)
{
int iter_count=0;
systime_t start_timestamp = OS_GET_TIMESTAMP();
systime_t cur_timestamp ;
while(atomic_read(&sc->sc_txq_use_cnt)) {
OS_DELAY(10);
++ iter_count;
if ((iter_count % 1000) == 0) {
cur_timestamp = OS_GET_TIMESTAMP();
if (CONVERT_SYSTEM_TIME_TO_MS(cur_timestamp - start_timestamp) >= VAP_PAUSE_SYNCHRONIZATION_TIMEOUT) {
ASSERT(0);
}
}
}
atomic_set(&sc->sc_vap_pause_in_progress, 1);
}
/*
* set vap pause in progress flag .
*/
static inline void
ath_vap_pause_set_in_progress(struct ath_softc *sc)
{
int iter_count=0;
systime_t start_timestamp = OS_GET_TIMESTAMP();
systime_t cur_timestamp ;
spin_lock(&(sc)->sc_vap_pause_lock);
while(sc->sc_txq_use_cnt) {
spin_unlock(&(sc)->sc_vap_pause_lock);
OS_DELAY(10);
++ iter_count;
if ((iter_count % 1000) == 0) {
cur_timestamp = OS_GET_TIMESTAMP();
if (CONVERT_SYSTEM_TIME_TO_MS(cur_timestamp - start_timestamp) >= VAP_PAUSE_SYNCHRONIZATION_TIMEOUT) {
ASSERT(0);
}
}
spin_lock(&(sc)->sc_vap_pause_lock);
}
sc->sc_vap_pause_in_progress=1;
spin_unlock(&(sc)->sc_vap_pause_lock);
}
void task_i2c_get_temp_func(const struct task_item *task)
{
uint8_t temp[2];
int t_out, fract;
/*
* Wait in OS friendly way for request to run.
*/
if (!read_temp_enabled) {
OS_EVENT_WAIT(event, OS_EVENT_FOREVER);
}
/*
* Require I2C for exclusively reading temperature from FM75 and release it after operation.
*/
resource_acquire(RES_MASK(RES_ID_I2C1), RES_WAIT_FOREVER);
set_target_address(FM75_ADDRESS);
/*
* Read actual temperature values from FM75.
*/
fm75_read_reg(FM75_REG_TEMP, temp, sizeof(temp));
resource_release(RES_MASK(RES_ID_I2C1));
/*
* Send results to UART.
*/
t_out = convert_temp(temp, &fract);
printf("current temperature: %d.%04d C" NEWLINE, t_out, fract);
/*
* Wait 1 second to get temperature again.
*/
OS_DELAY(1000);
}
CDF_STATUS hif_exchange_bmi_msg(struct ol_softc *scn,
uint8_t *bmi_request,
uint32_t request_length,
uint8_t *bmi_response,
uint32_t *bmi_response_lengthp, uint32_t TimeoutMS)
{
struct HIF_CE_state *hif_state = (struct HIF_CE_state *)scn->hif_hdl;
struct HIF_CE_pipe_info *send_pipe_info =
&(hif_state->pipe_info[BMI_CE_NUM_TO_TARG]);
struct CE_handle *ce_send_hdl = send_pipe_info->ce_hdl;
cdf_dma_addr_t CE_request, CE_response = 0;
struct BMI_transaction *transaction = NULL;
int status = CDF_STATUS_SUCCESS;
struct HIF_CE_pipe_info *recv_pipe_info =
&(hif_state->pipe_info[BMI_CE_NUM_TO_HOST]);
struct CE_handle *ce_recv = recv_pipe_info->ce_hdl;
unsigned int mux_id = 0;
unsigned int transaction_id = 0xffff;
unsigned int user_flags = 0;
#ifdef BMI_RSP_POLLING
cdf_dma_addr_t buf;
unsigned int completed_nbytes, id, flags;
int i;
#endif
transaction =
(struct BMI_transaction *)cdf_mem_malloc(sizeof(*transaction));
if (unlikely(!transaction)) {
HIF_ERROR("%s: no memory", __func__);
return CDF_STATUS_E_NOMEM;
}
transaction_id = (mux_id & MUX_ID_MASK) |
(transaction_id & TRANSACTION_ID_MASK);
#ifdef QCA_WIFI_3_0
user_flags &= DESC_DATA_FLAG_MASK;
#endif
A_TARGET_ACCESS_LIKELY(scn);
/* Initialize bmi_transaction_sem to block */
cdf_semaphore_init(&transaction->bmi_transaction_sem);
cdf_semaphore_acquire(scn->cdf_dev, &transaction->bmi_transaction_sem);
transaction->hif_state = hif_state;
transaction->bmi_request_host = bmi_request;
transaction->bmi_request_length = request_length;
transaction->bmi_response_length = 0;
transaction->bmi_timeout_ms = TimeoutMS;
transaction->bmi_transaction_flags = 0;
/*
* CE_request = dma_map_single(dev,
* (void *)bmi_request, request_length, DMA_TO_DEVICE);
*/
CE_request = scn->bmi_cmd_da;
transaction->bmi_request_CE = CE_request;
if (bmi_response) {
/*
* CE_response = dma_map_single(dev, bmi_response,
* BMI_DATASZ_MAX, DMA_FROM_DEVICE);
*/
CE_response = scn->bmi_rsp_da;
transaction->bmi_response_host = bmi_response;
transaction->bmi_response_CE = CE_response;
/* dma_cache_sync(dev, bmi_response,
BMI_DATASZ_MAX, DMA_FROM_DEVICE); */
cdf_os_mem_dma_sync_single_for_device(scn->cdf_dev,
CE_response,
BMI_DATASZ_MAX,
DMA_FROM_DEVICE);
ce_recv_buf_enqueue(ce_recv, transaction,
transaction->bmi_response_CE);
/* NB: see HIF_BMI_recv_done */
} else {
transaction->bmi_response_host = NULL;
transaction->bmi_response_CE = 0;
}
/* dma_cache_sync(dev, bmi_request, request_length, DMA_TO_DEVICE); */
cdf_os_mem_dma_sync_single_for_device(scn->cdf_dev, CE_request,
request_length, DMA_TO_DEVICE);
status =
ce_send(ce_send_hdl, transaction,
CE_request, request_length,
transaction_id, 0, user_flags);
ASSERT(status == CDF_STATUS_SUCCESS);
/* NB: see hif_bmi_send_done */
/* TBDXXX: handle timeout */
/* Wait for BMI request/response transaction to complete */
/* Always just wait for BMI request here if
* BMI_RSP_POLLING is defined */
while (cdf_semaphore_acquire
(scn->cdf_dev, &transaction->bmi_transaction_sem)) {
/*need some break out condition(time out?) */
}
if (bmi_response) {
#ifdef BMI_RSP_POLLING
/* Fix EV118783, do not wait a semaphore for the BMI response
* since the relative interruption may be lost.
* poll the BMI response instead.
*/
i = 0;
while (ce_completed_recv_next(
ce_recv, NULL, NULL, &buf,
&completed_nbytes, &id,
&flags) != CDF_STATUS_SUCCESS) {
if (i++ > BMI_RSP_TO_MILLISEC) {
HIF_ERROR("%s:error, can't get bmi response\n",
__func__);
status = CDF_STATUS_E_BUSY;
break;
}
OS_DELAY(1000);
}
if ((status == CDF_STATUS_SUCCESS) && bmi_response_lengthp)
*bmi_response_lengthp = completed_nbytes;
#else
if ((status == CDF_STATUS_SUCCESS) && bmi_response_lengthp) {
*bmi_response_lengthp =
transaction->bmi_response_length;
}
#endif
}
/* dma_unmap_single(dev, transaction->bmi_request_CE,
request_length, DMA_TO_DEVICE); */
/* bus_unmap_single(scn->sc_osdev,
transaction->bmi_request_CE,
request_length, BUS_DMA_TODEVICE); */
if (status != CDF_STATUS_SUCCESS) {
cdf_dma_addr_t unused_buffer;
unsigned int unused_nbytes;
unsigned int unused_id;
unsigned int toeplitz_hash_result;
ce_cancel_send_next(ce_send_hdl,
NULL, NULL, &unused_buffer,
&unused_nbytes, &unused_id,
&toeplitz_hash_result);
}
A_TARGET_ACCESS_UNLIKELY(scn);
cdf_mem_free(transaction);
return status;
}
static void
ar9280AniSetup(struct ath_hal *ah)
{
/*
* These are the parameters from the AR5416 ANI code;
* they likely need quite a bit of adjustment for the
* AR9280.
*/
static const struct ar5212AniParams aniparams = {
.maxNoiseImmunityLevel = 4, /* levels 0..4 */
.totalSizeDesired = { -55, -55, -55, -55, -62 },
.coarseHigh = { -14, -14, -14, -14, -12 },
.coarseLow = { -64, -64, -64, -64, -70 },
.firpwr = { -78, -78, -78, -78, -80 },
.maxSpurImmunityLevel = 2,
.cycPwrThr1 = { 2, 4, 6 },
.maxFirstepLevel = 2, /* levels 0..2 */
.firstep = { 0, 4, 8 },
.ofdmTrigHigh = 500,
.ofdmTrigLow = 200,
.cckTrigHigh = 200,
.cckTrigLow = 100,
.rssiThrHigh = 40,
.rssiThrLow = 7,
.period = 100,
};
/* NB: disable ANI noise immmunity for reliable RIFS rx */
AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
/* NB: ANI is not enabled yet */
ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}
void
ar9280InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
uint32_t pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
if (AR_SREV_MERLIN_20(ah) &&
chan != AH_NULL && IEEE80211_IS_CHAN_5GHZ(chan)) {
/*
* PLL WAR for Merlin 2.0/2.1
* When doing fast clock, set PLL to 0x142c
* Else, set PLL to 0x2850 to prevent reset-to-reset variation
*/
pll = IS_5GHZ_FAST_CLOCK_EN(ah, chan) ? 0x142c : 0x2850;
} else if (AR_SREV_MERLIN_10_OR_LATER(ah)) {
pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
if (chan != AH_NULL) {
if (IEEE80211_IS_CHAN_HALF(chan))
pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL);
else if (IEEE80211_IS_CHAN_QUARTER(chan))
pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL);
if (IEEE80211_IS_CHAN_5GHZ(chan))
pll |= SM(0x28, AR_RTC_SOWL_PLL_DIV);
else
pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV);
} else
pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV);
}
OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
OS_DELAY(RTC_PLL_SETTLE_DELAY);
OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK);
}
static void
ar9280WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
u_int modesIndex, freqIndex;
int regWrites = 0;
int i;
const HAL_INI_ARRAY *ia;
/* Setup the indices for the next set of register array writes */
/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
if (IEEE80211_IS_CHAN_2GHZ(chan)) {
freqIndex = 2;
if (IEEE80211_IS_CHAN_HT40(chan))
modesIndex = 3;
else if (IEEE80211_IS_CHAN_108G(chan))
modesIndex = 5;
else
modesIndex = 4;
} else {
freqIndex = 1;
if (IEEE80211_IS_CHAN_HT40(chan) ||
IEEE80211_IS_CHAN_TURBO(chan))
modesIndex = 2;
else
modesIndex = 1;
}
/* Set correct Baseband to analog shift setting to access analog chips. */
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
/*
* This is unwound because at the moment, there's a requirement
* for Merlin (and later, perhaps) to have a specific bit fixed
* in the AR_AN_TOP2 register before writing it.
*/
ia = &AH5212(ah)->ah_ini_modes;
#if 0
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
modesIndex, regWrites);
#endif
HALASSERT(modesIndex < ia->cols);
for (i = 0; i < ia->rows; i++) {
uint32_t reg = HAL_INI_VAL(ia, i, 0);
uint32_t val = HAL_INI_VAL(ia, i, modesIndex);
if (reg == AR_AN_TOP2 && AH5416(ah)->ah_need_an_top2_fixup)
val &= ~AR_AN_TOP2_PWDCLKIND;
OS_REG_WRITE(ah, reg, val);
/* Analog shift register delay seems needed for Merlin - PR kern/154220 */
if (reg >= 0x7800 && reg < 0x7900)
OS_DELAY(100);
DMA_YIELD(regWrites);
}
if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_rxgain,
modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_txgain,
modesIndex, regWrites);
}
/* XXX Merlin 100us delay for shift registers */
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
1, regWrites);
if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) {
/* 5GHz channels w/ Fast Clock use different modal values */
regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_xmodes,
modesIndex, regWrites);
}
}
static void
ar9287AniSetup(struct ath_hal *ah)
{
/*
* These are the parameters from the AR5416 ANI code;
* they likely need quite a bit of adjustment for the
* AR9280.
*/
static const struct ar5212AniParams aniparams = {
.maxNoiseImmunityLevel = 4, /* levels 0..4 */
.totalSizeDesired = { -55, -55, -55, -55, -62 },
.coarseHigh = { -14, -14, -14, -14, -12 },
.coarseLow = { -64, -64, -64, -64, -70 },
.firpwr = { -78, -78, -78, -78, -80 },
.maxSpurImmunityLevel = 2,
.cycPwrThr1 = { 2, 4, 6 },
.maxFirstepLevel = 2, /* levels 0..2 */
.firstep = { 0, 4, 8 },
.ofdmTrigHigh = 500,
.ofdmTrigLow = 200,
.cckTrigHigh = 200,
.cckTrigLow = 100,
.rssiThrHigh = 40,
.rssiThrLow = 7,
.period = 100,
};
/* NB: disable ANI noise immmunity for reliable RIFS rx */
AH5416(ah)->ah_ani_function &= ~ HAL_ANI_NOISE_IMMUNITY_LEVEL;
/* NB: ANI is not enabled yet */
ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}
/*
* Attach for an AR9287 part.
*/
static struct ath_hal *
ar9287Attach(uint16_t devid, HAL_SOFTC sc,
HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
HAL_STATUS *status)
{
struct ath_hal_9287 *ahp9287;
struct ath_hal_5212 *ahp;
struct ath_hal *ah;
uint32_t val;
HAL_STATUS ecode;
HAL_BOOL rfStatus;
int8_t pwr_table_offset;
HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
__func__, sc, (void*) st, (void*) sh);
/* NB: memory is returned zero'd */
ahp9287 = ath_hal_malloc(sizeof (struct ath_hal_9287));
if (ahp9287 == AH_NULL) {
HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
"%s: cannot allocate memory for state block\n", __func__);
*status = HAL_ENOMEM;
return AH_NULL;
}
ahp = AH5212(ahp9287);
ah = &ahp->ah_priv.h;
ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
/* XXX override with 9280 specific state */
/* override 5416 methods for our needs */
AH5416(ah)->ah_initPLL = ar9280InitPLL;
ah->ah_setAntennaSwitch = ar9287SetAntennaSwitch;
ah->ah_configPCIE = ar9287ConfigPCIE;
AH5416(ah)->ah_cal.iqCalData.calData = &ar9287_iq_cal;
AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9287_adc_gain_cal;
AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9287_adc_dc_cal;
AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9287_adc_init_dc_cal;
/* Better performance without ADC Gain Calibration */
AH5416(ah)->ah_cal.suppCals = ADC_DC_CAL | IQ_MISMATCH_CAL;
AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate;
AH5416(ah)->ah_writeIni = ar9287WriteIni;
ah->ah_setTxPower = ar9287SetTransmitPower;
ah->ah_setBoardValues = ar9287SetBoardValues;
AH5416(ah)->ah_olcInit = ar9287olcInit;
AH5416(ah)->ah_olcTempCompensation = ar9287olcTemperatureCompensation;
//AH5416(ah)->ah_setPowerCalTable = ar9287SetPowerCalTable;
AH5416(ah)->ah_cal_initcal = ar9287InitCalHardware;
AH5416(ah)->ah_cal_pacal = ar9287PACal;
/* XXX NF calibration */
/* XXX Ini override? (IFS vars - since the kiwi mac clock is faster?) */
/* XXX what else is kiwi-specific in the radio/calibration pathway? */
AH5416(ah)->ah_rx_chainmask = AR9287_DEFAULT_RXCHAINMASK;
AH5416(ah)->ah_tx_chainmask = AR9287_DEFAULT_TXCHAINMASK;
if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
/* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
/* Read Revisions from Chips before taking out of reset */
val = OS_REG_READ(ah, AR_SREV);
HALDEBUG(ah, HAL_DEBUG_ATTACH,
"%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
__func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
/* NB: include chip type to differentiate from pre-Sowl versions */
AH_PRIVATE(ah)->ah_macVersion =
(val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
/* Don't support Kiwi < 1.2; those are pre-release chips */
if (! AR_SREV_KIWI_12_OR_LATER(ah)) {
ath_hal_printf(ah, "[ath]: Kiwi < 1.2 is not supported\n");
ecode = HAL_EIO;
goto bad;
}
/* setup common ini data; rf backends handle remainder */
HAL_INI_INIT(&ahp->ah_ini_modes, ar9287Modes_9287_1_1, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9287Common_9287_1_1, 2);
/* If pcie_clock_req */
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9287PciePhy_clkreq_always_on_L1_9287_1_1, 2);
/* XXX WoW ini values */
/* Else */
#if 0
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9287PciePhy_clkreq_off_L1_9287_1_1, 2);
#endif
/* Initialise Japan arrays */
HAL_INI_INIT(&ahp9287->ah_ini_cckFirNormal,
ar9287Common_normal_cck_fir_coeff_9287_1_1, 2);
HAL_INI_INIT(&ahp9287->ah_ini_cckFirJapan2484,
ar9287Common_japan_2484_cck_fir_coeff_9287_1_1, 2);
ar5416AttachPCIE(ah);
ecode = ath_hal_9287EepromAttach(ah);
if (ecode != HAL_OK)
goto bad;
if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
ecode = HAL_EIO;
goto bad;
}
AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
if (!ar5212ChipTest(ah)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
__func__);
ecode = HAL_ESELFTEST;
goto bad;
}
/*
* Set correct Baseband to analog shift
* setting to access analog chips.
*/
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
/* Read Radio Chip Rev Extract */
AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */
case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */
break;
default:
if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
AH_PRIVATE(ah)->ah_analog5GhzRev =
AR_RAD5133_SREV_MAJOR;
break;
}
#ifdef AH_DEBUG
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: 5G Radio Chip Rev 0x%02X is not supported by "
"this driver\n", __func__,
AH_PRIVATE(ah)->ah_analog5GhzRev);
ecode = HAL_ENOTSUPP;
goto bad;
#endif
}
rfStatus = ar9287RfAttach(ah, &ecode);
if (!rfStatus) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
__func__, ecode);
goto bad;
}
/*
* We only implement open-loop TX power control
* for the AR9287 in this codebase.
*/
if (! ath_hal_eepromGetFlag(ah, AR_EEP_OL_PWRCTRL)) {
ath_hal_printf(ah, "[ath] AR9287 w/ closed-loop TX power control"
" isn't supported.\n");
ecode = HAL_ENOTSUPP;
goto bad;
}
/*
* Check whether the power table offset isn't the default.
* This can occur with eeprom minor V21 or greater on Merlin.
*/
(void) ath_hal_eepromGet(ah, AR_EEP_PWR_TABLE_OFFSET, &pwr_table_offset);
if (pwr_table_offset != AR5416_PWR_TABLE_OFFSET_DB)
ath_hal_printf(ah, "[ath]: default pwr offset: %d dBm != EEPROM pwr offset: %d dBm; curves will be adjusted.\n",
AR5416_PWR_TABLE_OFFSET_DB, (int) pwr_table_offset);
/* setup rxgain table */
HAL_INI_INIT(&ahp9287->ah_ini_rxgain, ar9287Modes_rx_gain_9287_1_1, 6);
/* setup txgain table */
HAL_INI_INIT(&ahp9287->ah_ini_txgain, ar9287Modes_tx_gain_9287_1_1, 6);
/*
* Got everything we need now to setup the capabilities.
*/
if (!ar9287FillCapabilityInfo(ah)) {
ecode = HAL_EEREAD;
goto bad;
}
ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
if (ecode != HAL_OK) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error getting mac address from EEPROM\n", __func__);
goto bad;
}
/* XXX How about the serial number ? */
/* Read Reg Domain */
AH_PRIVATE(ah)->ah_currentRD =
ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
AH_PRIVATE(ah)->ah_currentRDext = AR9287_RDEXT_DEFAULT;
/*
* ah_miscMode is populated by ar5416FillCapabilityInfo()
* starting from griffin. Set here to make sure that
* AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
* placed into hardware.
*/
if (ahp->ah_miscMode != 0)
OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
ar9287AniSetup(ah); /* Anti Noise Immunity */
/* Setup noise floor min/max/nominal values */
AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ;
AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ;
AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ;
AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_5GHZ;
AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_5GHZ;
AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9287_5GHZ;
ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
return ah;
bad:
if (ah != AH_NULL)
ah->ah_detach(ah);
if (status)
*status = ecode;
return AH_NULL;
}
static void
ar9287ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
{
if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
OS_DELAY(1000);
OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
OS_REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT); /* Yes, Kiwi uses the Kite PCIe PHY WA */
}
}
static void
ar9287WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
u_int modesIndex, freqIndex;
int regWrites = 0;
/* Setup the indices for the next set of register array writes */
/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
if (IEEE80211_IS_CHAN_2GHZ(chan)) {
freqIndex = 2;
if (IEEE80211_IS_CHAN_HT40(chan))
modesIndex = 3;
else if (IEEE80211_IS_CHAN_108G(chan))
modesIndex = 5;
else
modesIndex = 4;
} else {
freqIndex = 1;
if (IEEE80211_IS_CHAN_HT40(chan) ||
IEEE80211_IS_CHAN_TURBO(chan))
modesIndex = 2;
else
modesIndex = 1;
}
/* Set correct Baseband to analog shift setting to access analog chips. */
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH9287(ah)->ah_ini_rxgain, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH9287(ah)->ah_ini_txgain, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common, 1, regWrites);
}
/*
* Places the device in and out of reset and then places sane
* values in the registers based on EEPROM config, initialization
* vectors (as determined by the mode), and station configuration
*
* bChannelChange is used to preserve DMA/PCU registers across
* a HW Reset during channel change.
*/
HAL_BOOL
ar5312Reset(struct ath_hal *ah, HAL_OPMODE opmode,
struct ieee80211_channel *chan,
HAL_BOOL bChannelChange,
HAL_RESET_TYPE resetType,
HAL_STATUS *status)
{
#define N(a) (sizeof (a) / sizeof (a[0]))
#define FAIL(_code) do { ecode = _code; goto bad; } while (0)
struct ath_hal_5212 *ahp = AH5212(ah);
HAL_CHANNEL_INTERNAL *ichan;
const HAL_EEPROM *ee;
uint32_t saveFrameSeqCount, saveDefAntenna;
uint32_t macStaId1, synthDelay, txFrm2TxDStart;
uint16_t rfXpdGain[MAX_NUM_PDGAINS_PER_CHANNEL];
int16_t cckOfdmPwrDelta = 0;
u_int modesIndex, freqIndex;
HAL_STATUS ecode;
int i, regWrites = 0;
uint32_t testReg;
uint32_t saveLedState = 0;
HALASSERT(ah->ah_magic == AR5212_MAGIC);
ee = AH_PRIVATE(ah)->ah_eeprom;
OS_MARK(ah, AH_MARK_RESET, bChannelChange);
/*
* Map public channel to private.
*/
ichan = ath_hal_checkchannel(ah, chan);
if (ichan == AH_NULL) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->ic_freq, chan->ic_flags);
FAIL(HAL_EINVAL);
}
switch (opmode) {
case HAL_M_STA:
case HAL_M_IBSS:
case HAL_M_HOSTAP:
case HAL_M_MONITOR:
break;
default:
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid operating mode %u\n",
__func__, opmode);
FAIL(HAL_EINVAL);
break;
}
HALASSERT(ahp->ah_eeversion >= AR_EEPROM_VER3);
/* Preserve certain DMA hardware registers on a channel change */
if (bChannelChange) {
/*
* On Venice, the TSF is almost preserved across a reset;
* it requires the doubling writes to the RESET_TSF
* bit in the AR_BEACON register; it also has the quirk
* of the TSF going back in time on the station (station
* latches onto the last beacon's tsf during a reset 50%
* of the times); the latter is not a problem for adhoc
* stations since as long as the TSF is behind, it will
* get resynchronized on receiving the next beacon; the
* TSF going backwards in time could be a problem for the
* sleep operation (supported on infrastructure stations
* only) - the best and most general fix for this situation
* is to resynchronize the various sleep/beacon timers on
* the receipt of the next beacon i.e. when the TSF itself
* gets resynchronized to the AP's TSF - power save is
* needed to be temporarily disabled until that time
*
* Need to save the sequence number to restore it after
* the reset!
*/
saveFrameSeqCount = OS_REG_READ(ah, AR_D_SEQNUM);
} else
saveFrameSeqCount = 0; /* NB: silence compiler */
/* If the channel change is across the same mode - perform a fast channel change */
if ((IS_2413(ah) || IS_5413(ah))) {
/*
* Channel change can only be used when:
* -channel change requested - so it's not the initial reset.
* -it's not a change to the current channel - often called when switching modes
* on a channel
* -the modes of the previous and requested channel are the same - some ugly code for XR
*/
if (bChannelChange &&
AH_PRIVATE(ah)->ah_curchan != AH_NULL &&
(chan->ic_freq != AH_PRIVATE(ah)->ah_curchan->ic_freq) &&
((chan->ic_flags & IEEE80211_CHAN_ALLTURBO) ==
(AH_PRIVATE(ah)->ah_curchan->ic_flags & IEEE80211_CHAN_ALLTURBO))) {
if (ar5212ChannelChange(ah, chan))
/* If ChannelChange completed - skip the rest of reset */
return AH_TRUE;
}
}
/*
* Preserve the antenna on a channel change
*/
saveDefAntenna = OS_REG_READ(ah, AR_DEF_ANTENNA);
if (saveDefAntenna == 0) /* XXX magic constants */
saveDefAntenna = 1;
/* Save hardware flag before chip reset clears the register */
macStaId1 = OS_REG_READ(ah, AR_STA_ID1) &
(AR_STA_ID1_BASE_RATE_11B | AR_STA_ID1_USE_DEFANT);
/* Save led state from pci config register */
if (!IS_5315(ah))
saveLedState = OS_REG_READ(ah, AR5312_PCICFG) &
(AR_PCICFG_LEDCTL | AR_PCICFG_LEDMODE | AR_PCICFG_LEDBLINK |
AR_PCICFG_LEDSLOW);
ar5312RestoreClock(ah, opmode); /* move to refclk operation */
/*
* Adjust gain parameters before reset if
* there's an outstanding gain updated.
*/
(void) ar5212GetRfgain(ah);
if (!ar5312ChipReset(ah, chan)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
FAIL(HAL_EIO);
}
/* Setup the indices for the next set of register array writes */
if (IEEE80211_IS_CHAN_2GHZ(chan)) {
freqIndex = 2;
modesIndex = IEEE80211_IS_CHAN_108G(chan) ? 5 :
IEEE80211_IS_CHAN_G(chan) ? 4 : 3;
} else {
freqIndex = 1;
modesIndex = IEEE80211_IS_CHAN_ST(chan) ? 2 : 1;
}
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
/* Set correct Baseband to analog shift setting to access analog chips. */
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
regWrites = ath_hal_ini_write(ah, &ahp->ah_ini_modes, modesIndex, 0);
regWrites = write_common(ah, &ahp->ah_ini_common, bChannelChange,
regWrites);
ahp->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
if (IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))
ar5212SetIFSTiming(ah, chan);
/* Overwrite INI values for revised chipsets */
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_2) {
/* ADC_CTL */
OS_REG_WRITE(ah, AR_PHY_ADC_CTL,
SM(2, AR_PHY_ADC_CTL_OFF_INBUFGAIN) |
SM(2, AR_PHY_ADC_CTL_ON_INBUFGAIN) |
AR_PHY_ADC_CTL_OFF_PWDDAC |
AR_PHY_ADC_CTL_OFF_PWDADC);
/* TX_PWR_ADJ */
if (chan->channel == 2484) {
cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta - ee->ee_scaledCh14FilterCckDelta);
} else {
cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta);
}
if (IEEE80211_IS_CHAN_G(chan)) {
OS_REG_WRITE(ah, AR_PHY_TXPWRADJ,
SM((ee->ee_cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_GAIN_DELTA) |
SM((cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_PCDAC_INDEX));
} else {
OS_REG_WRITE(ah, AR_PHY_TXPWRADJ, 0);
}
/* Add barker RSSI thresh enable as disabled */
OS_REG_CLR_BIT(ah, AR_PHY_DAG_CTRLCCK,
AR_PHY_DAG_CTRLCCK_EN_RSSI_THR);
OS_REG_RMW_FIELD(ah, AR_PHY_DAG_CTRLCCK,
AR_PHY_DAG_CTRLCCK_RSSI_THR, 2);
/* Set the mute mask to the correct default */
OS_REG_WRITE(ah, AR_SEQ_MASK, 0x0000000F);
}
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_3) {
/* Clear reg to alllow RX_CLEAR line debug */
OS_REG_WRITE(ah, AR_PHY_BLUETOOTH, 0);
}
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_4) {
#ifdef notyet
/* Enable burst prefetch for the data queues */
OS_REG_RMW_FIELD(ah, AR_D_FPCTL, ... );
/* Enable double-buffering */
OS_REG_CLR_BIT(ah, AR_TXCFG, AR_TXCFG_DBL_BUF_DIS);
#endif
}
if (IS_5312_2_X(ah)) {
/* ADC_CTRL */
OS_REG_WRITE(ah, AR_PHY_SIGMA_DELTA,
SM(2, AR_PHY_SIGMA_DELTA_ADC_SEL) |
SM(4, AR_PHY_SIGMA_DELTA_FILT2) |
SM(0x16, AR_PHY_SIGMA_DELTA_FILT1) |
SM(0, AR_PHY_SIGMA_DELTA_ADC_CLIP));
if (IEEE80211_IS_CHAN_2GHZ(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN, AR_PHY_RXGAIN_TXRX_RF_MAX, 0x0F);
/* CCK Short parameter adjustment in 11B mode */
if (IEEE80211_IS_CHAN_B(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_CCK_RXCTRL4, AR_PHY_CCK_RXCTRL4_FREQ_EST_SHORT, 12);
/* Set ADC/DAC select values */
OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x04);
/* Increase 11A AGC Settling */
if (IEEE80211_IS_CHAN_A(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_AGC, 32);
} else {
/* Set ADC/DAC select values */
OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x0e);
}
/* Setup the transmit power values. */
if (!ar5212SetTransmitPower(ah, chan, rfXpdGain)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error init'ing transmit power\n", __func__);
FAIL(HAL_EIO);
}
/* Write the analog registers */
if (!ahp->ah_rfHal->setRfRegs(ah, chan, modesIndex, rfXpdGain)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5212SetRfRegs failed\n",
__func__);
FAIL(HAL_EIO);
}
/* Write delta slope for OFDM enabled modes (A, G, Turbo) */
if (IEEE80211_IS_CHAN_OFDM(chan)) {
if (IS_5413(ah) ||
AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER5_3)
ar5212SetSpurMitigation(ah, chan);
ar5212SetDeltaSlope(ah, chan);
}
/* Setup board specific options for EEPROM version 3 */
if (!ar5212SetBoardValues(ah, chan)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error setting board options\n", __func__);
FAIL(HAL_EIO);
}
/* Restore certain DMA hardware registers on a channel change */
if (bChannelChange)
OS_REG_WRITE(ah, AR_D_SEQNUM, saveFrameSeqCount);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
OS_REG_WRITE(ah, AR_STA_ID0, LE_READ_4(ahp->ah_macaddr));
OS_REG_WRITE(ah, AR_STA_ID1, LE_READ_2(ahp->ah_macaddr + 4)
| macStaId1
| AR_STA_ID1_RTS_USE_DEF
| ahp->ah_staId1Defaults
);
ar5212SetOperatingMode(ah, opmode);
/* Set Venice BSSID mask according to current state */
OS_REG_WRITE(ah, AR_BSSMSKL, LE_READ_4(ahp->ah_bssidmask));
OS_REG_WRITE(ah, AR_BSSMSKU, LE_READ_2(ahp->ah_bssidmask + 4));
/* Restore previous led state */
if (!IS_5315(ah))
OS_REG_WRITE(ah, AR5312_PCICFG, OS_REG_READ(ah, AR_PCICFG) | saveLedState);
/* Restore previous antenna */
OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
/* then our BSSID */
OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));
/* Restore bmiss rssi & count thresholds */
OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);
OS_REG_WRITE(ah, AR_ISR, ~0); /* cleared on write */
if (!ar5212SetChannel(ah, chan))
FAIL(HAL_EIO);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
ar5212SetCoverageClass(ah, AH_PRIVATE(ah)->ah_coverageClass, 1);
ar5212SetRateDurationTable(ah, chan);
/* Set Tx frame start to tx data start delay */
if (IS_RAD5112_ANY(ah) &&
(IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))) {
txFrm2TxDStart =
IEEE80211_IS_CHAN_HALF(chan) ?
TX_FRAME_D_START_HALF_RATE:
TX_FRAME_D_START_QUARTER_RATE;
OS_REG_RMW_FIELD(ah, AR_PHY_TX_CTL,
AR_PHY_TX_FRAME_TO_TX_DATA_START, txFrm2TxDStart);
}
/*
* Setup fast diversity.
* Fast diversity can be enabled or disabled via regadd.txt.
* Default is enabled.
* For reference,
* Disable: reg val
* 0x00009860 0x00009d18 (if 11a / 11g, else no change)
* 0x00009970 0x192bb514
* 0x0000a208 0xd03e4648
*
* Enable: 0x00009860 0x00009d10 (if 11a / 11g, else no change)
* 0x00009970 0x192fb514
* 0x0000a208 0xd03e6788
*/
/* XXX Setup pre PHY ENABLE EAR additions */
/* flush SCAL reg */
if (IS_5312_2_X(ah)) {
(void) OS_REG_READ(ah, AR_PHY_SLEEP_SCAL);
}
/*
* Wait for the frequency synth to settle (synth goes on
* via AR_PHY_ACTIVE_EN). Read the phy active delay register.
* Value is in 100ns increments.
*/
synthDelay = OS_REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
if (IEEE80211_IS_CHAN_B(chan)) {
synthDelay = (4 * synthDelay) / 22;
} else {
synthDelay /= 10;
}
/* Activate the PHY (includes baseband activate and synthesizer on) */
OS_REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
/*
* There is an issue if the AP starts the calibration before
* the base band timeout completes. This could result in the
* rx_clear false triggering. As a workaround we add delay an
* extra BASE_ACTIVATE_DELAY usecs to ensure this condition
* does not happen.
*/
if (IEEE80211_IS_CHAN_HALF(chan)) {
OS_DELAY((synthDelay << 1) + BASE_ACTIVATE_DELAY);
} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
OS_DELAY((synthDelay << 2) + BASE_ACTIVATE_DELAY);
} else {
OS_DELAY(synthDelay + BASE_ACTIVATE_DELAY);
}
/*
* The udelay method is not reliable with notebooks.
* Need to check to see if the baseband is ready
*/
testReg = OS_REG_READ(ah, AR_PHY_TESTCTRL);
/* Selects the Tx hold */
OS_REG_WRITE(ah, AR_PHY_TESTCTRL, AR_PHY_TESTCTRL_TXHOLD);
i = 0;
while ((i++ < 20) &&
(OS_REG_READ(ah, 0x9c24) & 0x10)) /* test if baseband not ready */ OS_DELAY(200);
OS_REG_WRITE(ah, AR_PHY_TESTCTRL, testReg);
/* Calibrate the AGC and start a NF calculation */
OS_REG_WRITE(ah, AR_PHY_AGC_CONTROL,
OS_REG_READ(ah, AR_PHY_AGC_CONTROL)
| AR_PHY_AGC_CONTROL_CAL
| AR_PHY_AGC_CONTROL_NF);
if (!IEEE80211_IS_CHAN_B(chan) && ahp->ah_bIQCalibration != IQ_CAL_DONE) {
/* Start IQ calibration w/ 2^(INIT_IQCAL_LOG_COUNT_MAX+1) samples */
OS_REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4,
AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
INIT_IQCAL_LOG_COUNT_MAX);
OS_REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4,
AR_PHY_TIMING_CTRL4_DO_IQCAL);
ahp->ah_bIQCalibration = IQ_CAL_RUNNING;
} else
ahp->ah_bIQCalibration = IQ_CAL_INACTIVE;
/* Setup compression registers */
ar5212SetCompRegs(ah);
/* Set 1:1 QCU to DCU mapping for all queues */
for (i = 0; i < AR_NUM_DCU; i++)
OS_REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
ahp->ah_intrTxqs = 0;
for (i = 0; i < AH_PRIVATE(ah)->ah_caps.halTotalQueues; i++)
ar5212ResetTxQueue(ah, i);
/*
* Setup interrupt handling. Note that ar5212ResetTxQueue
* manipulates the secondary IMR's as queues are enabled
* and disabled. This is done with RMW ops to insure the
* settings we make here are preserved.
*/
ahp->ah_maskReg = AR_IMR_TXOK | AR_IMR_TXERR | AR_IMR_TXURN
| AR_IMR_RXOK | AR_IMR_RXERR | AR_IMR_RXORN
| AR_IMR_HIUERR
;
if (opmode == HAL_M_HOSTAP)
ahp->ah_maskReg |= AR_IMR_MIB;
OS_REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
/* Enable bus errors that are OR'd to set the HIUERR bit */
OS_REG_WRITE(ah, AR_IMR_S2,
OS_REG_READ(ah, AR_IMR_S2)
| AR_IMR_S2_MCABT | AR_IMR_S2_SSERR | AR_IMR_S2_DPERR);
if (AH_PRIVATE(ah)->ah_rfkillEnabled)
ar5212EnableRfKill(ah);
if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: offset calibration failed to complete in 1ms;"
" noisy environment?\n", __func__);
}
/*
* Set clocks back to 32kHz if they had been using refClk, then
* use an external 32kHz crystal when sleeping, if one exists.
*/
ar5312SetupClock(ah, opmode);
/*
* Writing to AR_BEACON will start timers. Hence it should
* be the last register to be written. Do not reset tsf, do
* not enable beacons at this point, but preserve other values
* like beaconInterval.
*/
OS_REG_WRITE(ah, AR_BEACON,
(OS_REG_READ(ah, AR_BEACON) &~ (AR_BEACON_EN | AR_BEACON_RESET_TSF)));
/* XXX Setup post reset EAR additions */
/* QoS support */
if (AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE ||
(AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
AH_PRIVATE(ah)->ah_macRev >= AR_SREV_GRIFFIN_LITE)) {
OS_REG_WRITE(ah, AR_QOS_CONTROL, 0x100aa); /* XXX magic */
OS_REG_WRITE(ah, AR_QOS_SELECT, 0x3210); /* XXX magic */
}
/* Turn on NOACK Support for QoS packets */
OS_REG_WRITE(ah, AR_NOACK,
SM(2, AR_NOACK_2BIT_VALUE) |
SM(5, AR_NOACK_BIT_OFFSET) |
SM(0, AR_NOACK_BYTE_OFFSET));
/* Restore user-specified settings */
if (ahp->ah_miscMode != 0)
OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
if (ahp->ah_slottime != (u_int) -1)
ar5212SetSlotTime(ah, ahp->ah_slottime);
if (ahp->ah_acktimeout != (u_int) -1)
ar5212SetAckTimeout(ah, ahp->ah_acktimeout);
if (ahp->ah_ctstimeout != (u_int) -1)
ar5212SetCTSTimeout(ah, ahp->ah_ctstimeout);
if (ahp->ah_sifstime != (u_int) -1)
ar5212SetSifsTime(ah, ahp->ah_sifstime);
if (AH_PRIVATE(ah)->ah_diagreg != 0)
OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);
AH_PRIVATE(ah)->ah_opmode = opmode; /* record operating mode */
if (bChannelChange && !IEEE80211_IS_CHAN_DFS(chan))
chan->ic_state &= ~IEEE80211_CHANSTATE_CWINT;
HALDEBUG(ah, HAL_DEBUG_RESET, "%s: done\n", __func__);
OS_MARK(ah, AH_MARK_RESET_DONE, 0);
return AH_TRUE;
bad:
OS_MARK(ah, AH_MARK_RESET_DONE, ecode);
if (status != AH_NULL)
*status = ecode;
return AH_FALSE;
#undef FAIL
#undef N
}
HAL_BOOL
ar5312MacReset(struct ath_hal *ah, unsigned int RCMask)
{
int wlanNum = AR5312_UNIT(ah);
uint32_t resetBB, resetBits, regMask;
uint32_t reg;
if (RCMask == 0)
return(AH_FALSE);
#if ( AH_SUPPORT_2316 || AH_SUPPORT_2317 )
if (IS_5315(ah)) {
switch(wlanNum) {
case 0:
resetBB = AR5315_RC_BB0_CRES | AR5315_RC_WBB0_RES;
/* Warm and cold reset bits for wbb */
resetBits = AR5315_RC_WMAC0_RES;
break;
case 1:
resetBB = AR5315_RC_BB1_CRES | AR5315_RC_WBB1_RES;
/* Warm and cold reset bits for wbb */
resetBits = AR5315_RC_WMAC1_RES;
break;
default:
return(AH_FALSE);
}
regMask = ~(resetBB | resetBits);
/* read before */
reg = OS_REG_READ(ah,
(AR5315_RSTIMER_BASE - ((uint32_t) ah->ah_sh) + AR5315_RESET));
if (RCMask == AR_RC_BB) {
/* Put baseband in reset */
reg |= resetBB; /* Cold and warm reset the baseband bits */
} else {
/*
* Reset the MAC and baseband. This is a bit different than
* the PCI version, but holding in reset causes problems.
*/
reg &= regMask;
reg |= (resetBits | resetBB) ;
}
OS_REG_WRITE(ah,
(AR5315_RSTIMER_BASE - ((uint32_t) ah->ah_sh)+AR5315_RESET),
reg);
/* read after */
OS_REG_READ(ah,
(AR5315_RSTIMER_BASE - ((uint32_t) ah->ah_sh) +AR5315_RESET));
OS_DELAY(100);
/* Bring MAC and baseband out of reset */
reg &= regMask;
/* read before */
OS_REG_READ(ah,
(AR5315_RSTIMER_BASE- ((uint32_t) ah->ah_sh) +AR5315_RESET));
OS_REG_WRITE(ah,
(AR5315_RSTIMER_BASE - ((uint32_t) ah->ah_sh)+AR5315_RESET),
reg);
/* read after */
OS_REG_READ(ah,
(AR5315_RSTIMER_BASE- ((uint32_t) ah->ah_sh) +AR5315_RESET));
}
else
#endif
{
switch(wlanNum) {
case 0:
resetBB = AR5312_RC_BB0_CRES | AR5312_RC_WBB0_RES;
/* Warm and cold reset bits for wbb */
resetBits = AR5312_RC_WMAC0_RES;
break;
case 1:
resetBB = AR5312_RC_BB1_CRES | AR5312_RC_WBB1_RES;
/* Warm and cold reset bits for wbb */
resetBits = AR5312_RC_WMAC1_RES;
break;
default:
return(AH_FALSE);
}
regMask = ~(resetBB | resetBits);
/* read before */
reg = OS_REG_READ(ah,
(AR5312_RSTIMER_BASE - ((uint32_t) ah->ah_sh) + AR5312_RESET));
if (RCMask == AR_RC_BB) {
/* Put baseband in reset */
reg |= resetBB; /* Cold and warm reset the baseband bits */
} else {
/*
* Reset the MAC and baseband. This is a bit different than
* the PCI version, but holding in reset causes problems.
*/
reg &= regMask;
reg |= (resetBits | resetBB) ;
}
OS_REG_WRITE(ah,
(AR5312_RSTIMER_BASE - ((uint32_t) ah->ah_sh)+AR5312_RESET),
reg);
/* read after */
OS_REG_READ(ah,
(AR5312_RSTIMER_BASE - ((uint32_t) ah->ah_sh) +AR5312_RESET));
OS_DELAY(100);
/* Bring MAC and baseband out of reset */
reg &= regMask;
/* read before */
OS_REG_READ(ah,
(AR5312_RSTIMER_BASE- ((uint32_t) ah->ah_sh) +AR5312_RESET));
OS_REG_WRITE(ah,
(AR5312_RSTIMER_BASE - ((uint32_t) ah->ah_sh)+AR5312_RESET),
reg);
/* read after */
OS_REG_READ(ah,
(AR5312_RSTIMER_BASE- ((uint32_t) ah->ah_sh) +AR5312_RESET));
}
return(AH_TRUE);
}
/*
* Places the hardware into reset and then pulls it out of reset
*
* TODO: Only write the PLL if we're changing to or from CCK mode
*
* WARNING: The order of the PLL and mode registers must be correct.
*/
HAL_BOOL
ar5312ChipReset(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
OS_MARK(ah, AH_MARK_CHIPRESET, chan ? chan->ic_freq : 0);
/*
* Reset the HW
*/
if (!ar5312SetResetReg(ah, AR_RC_MAC | AR_RC_BB)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetResetReg failed\n",
__func__);
return AH_FALSE;
}
/* Bring out of sleep mode (AGAIN) */
if (!ar5312SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetPowerMode failed\n",
__func__);
return AH_FALSE;
}
/* Clear warm reset register */
if (!ar5312SetResetReg(ah, 0)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetResetReg failed\n",
__func__);
return AH_FALSE;
}
/*
* Perform warm reset before the mode/PLL/turbo registers
* are changed in order to deactivate the radio. Mode changes
* with an active radio can result in corrupted shifts to the
* radio device.
*/
/*
* Set CCK and Turbo modes correctly.
*/
if (chan != AH_NULL) { /* NB: can be null during attach */
uint32_t rfMode, phyPLL = 0, curPhyPLL, turbo;
if (IS_RAD5112_ANY(ah)) {
rfMode = AR_PHY_MODE_AR5112;
if (!IS_5315(ah)) {
if (IEEE80211_IS_CHAN_CCK(chan)) {
phyPLL = AR_PHY_PLL_CTL_44_5312;
} else {
if (IEEE80211_IS_CHAN_HALF(chan)) {
phyPLL = AR_PHY_PLL_CTL_40_5312_HALF;
} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
phyPLL = AR_PHY_PLL_CTL_40_5312_QUARTER;
} else {
phyPLL = AR_PHY_PLL_CTL_40_5312;
}
}
} else {
if (IEEE80211_IS_CHAN_CCK(chan))
phyPLL = AR_PHY_PLL_CTL_44_5112;
else
phyPLL = AR_PHY_PLL_CTL_40_5112;
if (IEEE80211_IS_CHAN_HALF(chan))
phyPLL |= AR_PHY_PLL_CTL_HALF;
else if (IEEE80211_IS_CHAN_QUARTER(chan))
phyPLL |= AR_PHY_PLL_CTL_QUARTER;
}
} else {
rfMode = AR_PHY_MODE_AR5111;
if (IEEE80211_IS_CHAN_CCK(chan))
phyPLL = AR_PHY_PLL_CTL_44;
else
phyPLL = AR_PHY_PLL_CTL_40;
if (IEEE80211_IS_CHAN_HALF(chan))
phyPLL = AR_PHY_PLL_CTL_HALF;
else if (IEEE80211_IS_CHAN_QUARTER(chan))
phyPLL = AR_PHY_PLL_CTL_QUARTER;
}
if (IEEE80211_IS_CHAN_G(chan))
rfMode |= AR_PHY_MODE_DYNAMIC;
else if (IEEE80211_IS_CHAN_OFDM(chan))
rfMode |= AR_PHY_MODE_OFDM;
else
rfMode |= AR_PHY_MODE_CCK;
if (IEEE80211_IS_CHAN_5GHZ(chan))
rfMode |= AR_PHY_MODE_RF5GHZ;
else
rfMode |= AR_PHY_MODE_RF2GHZ;
turbo = IEEE80211_IS_CHAN_TURBO(chan) ?
(AR_PHY_FC_TURBO_MODE | AR_PHY_FC_TURBO_SHORT) : 0;
curPhyPLL = OS_REG_READ(ah, AR_PHY_PLL_CTL);
/*
* PLL, Mode, and Turbo values must be written in the correct
* order to ensure:
* - The PLL cannot be set to 44 unless the CCK or DYNAMIC
* mode bit is set
* - Turbo cannot be set at the same time as CCK or DYNAMIC
*/
if (IEEE80211_IS_CHAN_CCK(chan)) {
OS_REG_WRITE(ah, AR_PHY_TURBO, turbo);
OS_REG_WRITE(ah, AR_PHY_MODE, rfMode);
if (curPhyPLL != phyPLL) {
OS_REG_WRITE(ah, AR_PHY_PLL_CTL, phyPLL);
/* Wait for the PLL to settle */
OS_DELAY(PLL_SETTLE_DELAY);
}
} else {
if (curPhyPLL != phyPLL) {
OS_REG_WRITE(ah, AR_PHY_PLL_CTL, phyPLL);
/* Wait for the PLL to settle */
OS_DELAY(PLL_SETTLE_DELAY);
}
OS_REG_WRITE(ah, AR_PHY_TURBO, turbo);
OS_REG_WRITE(ah, AR_PHY_MODE, rfMode);
}
}
return AH_TRUE;
}
static void
ar9280ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
{
uint32_t val;
if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
OS_DELAY(1000);
}
/*
* Set PCIe workaround bits
*
* NOTE:
*
* In Merlin and Kite, bit 14 in WA register (disable L1) should only
* be set when device enters D3 and be cleared when device comes back
* to D0.
*/
if (power_off) { /* Power-off */
OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
val = OS_REG_READ(ah, AR_WA);
/*
* Disable bit 6 and 7 before entering D3 to prevent
* system hang.
*/
val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
/*
* XXX Not sure, is specified in the reference HAL.
*/
val |= AR_WA_BIT22;
/*
* See above: set AR_WA_D3_L1_DISABLE when entering D3 state.
*
* XXX The reference HAL does it this way - it only sets
* AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT,
* which it (currently) isn't. So the following statement
* is currently a NOP.
*/
if (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
val |= AR_WA_D3_L1_DISABLE;
OS_REG_WRITE(ah, AR_WA, val);
} else { /* Power-on */
val = AR9280_WA_DEFAULT;
/*
* See note above: make sure L1_DISABLE is not set.
*/
val &= (~AR_WA_D3_L1_DISABLE);
OS_REG_WRITE(ah, AR_WA, val);
/* set bit 19 to allow forcing of pcie core into L1 state */
OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
}
}
static void
ar9300_shutdown_rx(struct ath_hal *ah)
{
int wait;
#define AH_RX_STOP_TIMEOUT 100000 /* usec */
#define AH_TIME_QUANTUM 100 /* usec */
/*ath_hal_printf(ah, "%s: called\n", __func__);*/
/* (1) Set (RX_ABORT | RX_DIS) bits to reg MAC_DIAG_SW. */
OS_REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
/*
* (2) Poll (reg MAC_OBS_BUS_1[24:20] == 0) for 100ms
* and if it doesn't become 0x0, print reg MAC_OBS_BUS_1.
* Wait for Rx PCU state machine to become idle.
*/
for (wait = AH_RX_STOP_TIMEOUT / AH_TIME_QUANTUM; wait != 0; wait--) {
u_int32_t obs1 = OS_REG_READ(ah, AR_OBS_BUS_1);
/* (MAC_PCU_OBS_BUS_1[24:20] == 0x0) - Check pcu_rxsm == IDLE */
if ((obs1 & 0x01F00000) == 0) {
break;
}
OS_DELAY(AH_TIME_QUANTUM);
}
/*
* If bit 24:20 doesn't go to 0 within 100ms, print the value of
* MAC_OBS_BUS_1 register on debug log.
*/
if (wait == 0) {
ath_hal_printf(ah,
"%s: rx failed to go idle in %d us\n AR_OBS_BUS_1=0x%08x\n",
__func__,
AH_RX_STOP_TIMEOUT,
OS_REG_READ(ah, AR_OBS_BUS_1));
}
/* (3) Set MACMISC reg = 0x8100 to configure debug bus */
OS_REG_WRITE(ah, AR_MACMISC, 0x8100);
/*
* (4) Poll (AR_DMADBG_7 reg bits [11:8] == 0x0) for 100ms
* wait for Rx DMA state machine to become idle
*/
for (wait = AH_RX_STOP_TIMEOUT / AH_TIME_QUANTUM; wait != 0; wait--) {
if ((OS_REG_READ(ah, AR_DMADBG_7) & AR_DMADBG_RX_STATE) == 0) {
break;
}
OS_DELAY(AH_TIME_QUANTUM);
}
if (wait == 0) {
ath_hal_printf(ah,
"AR_DMADBG_7 reg [11:8] is not 0, instead AR_DMADBG_7 reg=0x%08x\n",
OS_REG_READ(ah, AR_DMADBG_7));
/* MAC_RXDP_SIZE register (0x70) */
ath_hal_printf(ah, "AR_RXDP_SIZE=0x%08x\n",
OS_REG_READ(ah, AR_RXDP_SIZE));
}
/* (5) Set RXD bit to reg MAC_CR */
OS_REG_WRITE(ah, AR_CR, AR_CR_RXD);
/* (6) Poll MAC_CR.RXE = 0x0 for 100ms or until RXE goes low */
for (wait = AH_RX_STOP_TIMEOUT / AH_TIME_QUANTUM; wait != 0; wait--) {
if ((OS_REG_READ(ah, AR_CR) & AR_CR_RXE) == 0) {
break;
}
OS_DELAY(AH_TIME_QUANTUM);
}
/* (7) If (RXE_LP|RXE_HP) doesn't go low within 100ms */
if (wait == 0) {
ath_hal_printf(ah,
"%s: RXE_LP of MAC_CR reg failed to go low in %d us\n",
__func__, AH_RX_STOP_TIMEOUT);
}
/* (8) Clear reg MAC_PCU_RX_FILTER */
ar9300_set_rx_filter(ah, 0);
#undef AH_RX_STOP_TIMEOUT
#undef AH_TIME_QUANTUM
}
static void
ar9285AniSetup(struct ath_hal *ah)
{
/*
* These are the parameters from the AR5416 ANI code;
* they likely need quite a bit of adjustment for the
* AR9285.
*/
static const struct ar5212AniParams aniparams = {
.maxNoiseImmunityLevel = 4, /* levels 0..4 */
.totalSizeDesired = { -55, -55, -55, -55, -62 },
.coarseHigh = { -14, -14, -14, -14, -12 },
.coarseLow = { -64, -64, -64, -64, -70 },
.firpwr = { -78, -78, -78, -78, -80 },
.maxSpurImmunityLevel = 7,
.cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 },
.maxFirstepLevel = 2, /* levels 0..2 */
.firstep = { 0, 4, 8 },
.ofdmTrigHigh = 500,
.ofdmTrigLow = 200,
.cckTrigHigh = 200,
.cckTrigLow = 100,
.rssiThrHigh = 40,
.rssiThrLow = 7,
.period = 100,
};
/* NB: disable ANI noise immmunity for reliable RIFS rx */
AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}
static const char * ar9285_lna_conf[] = {
"LNA1-LNA2",
"LNA2",
"LNA1",
"LNA1+LNA2",
};
static void
ar9285_eeprom_print_diversity_settings(struct ath_hal *ah)
{
const HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
const MODAL_EEP4K_HEADER *pModal = &ee->ee_base.modalHeader;
ath_hal_printf(ah, "[ath] AR9285 Main LNA config: %s\n",
ar9285_lna_conf[(pModal->antdiv_ctl2 >> 2) & 0x3]);
ath_hal_printf(ah, "[ath] AR9285 Alt LNA config: %s\n",
ar9285_lna_conf[pModal->antdiv_ctl2 & 0x3]);
ath_hal_printf(ah, "[ath] LNA diversity %s, Diversity %s\n",
((pModal->antdiv_ctl1 & 0x1) ? "enabled" : "disabled"),
((pModal->antdiv_ctl1 & 0x8) ? "enabled" : "disabled"));
}
/*
* Attach for an AR9285 part.
*/
static struct ath_hal *
ar9285Attach(uint16_t devid, HAL_SOFTC sc,
HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
HAL_STATUS *status)
{
struct ath_hal_9285 *ahp9285;
struct ath_hal_5212 *ahp;
struct ath_hal *ah;
uint32_t val;
HAL_STATUS ecode;
HAL_BOOL rfStatus;
HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
__func__, sc, (void*) st, (void*) sh);
/* NB: memory is returned zero'd */
ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
if (ahp9285 == AH_NULL) {
HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
"%s: cannot allocate memory for state block\n", __func__);
*status = HAL_ENOMEM;
return AH_NULL;
}
ahp = AH5212(ahp9285);
ah = &ahp->ah_priv.h;
ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
/*
* Use the "local" EEPROM data given to us by the higher layers.
* This is a private copy out of system flash. The Linux ath9k
* commit for the initial AR9130 support mentions MMIO flash
* access is "unreliable." -adrian
*/
if (eepromdata != AH_NULL) {
AH_PRIVATE(ah)->ah_eepromRead = ath_hal_EepromDataRead;
AH_PRIVATE(ah)->ah_eepromWrite = NULL;
ah->ah_eepromdata = eepromdata;
}
/* override with 9285 specific state */
AH5416(ah)->ah_initPLL = ar9280InitPLL;
AH5416(ah)->ah_btCoexSetDiversity = ar9285BTCoexAntennaDiversity;
ah->ah_setAntennaSwitch = ar9285SetAntennaSwitch;
ah->ah_configPCIE = ar9285ConfigPCIE;
ah->ah_disablePCIE = ar9285DisablePCIE;
ah->ah_setTxPower = ar9285SetTransmitPower;
ah->ah_setBoardValues = ar9285SetBoardValues;
ah->ah_btCoexSetParameter = ar9285BTCoexSetParameter;
ah->ah_divLnaConfGet = ar9285_antdiv_comb_conf_get;
ah->ah_divLnaConfSet = ar9285_antdiv_comb_conf_set;
AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate;
AH5416(ah)->ah_writeIni = ar9285WriteIni;
AH5416(ah)->ah_rx_chainmask = AR9285_DEFAULT_RXCHAINMASK;
AH5416(ah)->ah_tx_chainmask = AR9285_DEFAULT_TXCHAINMASK;
ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD >> 1;
if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
/* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
/* Read Revisions from Chips before taking out of reset */
val = OS_REG_READ(ah, AR_SREV);
HALDEBUG(ah, HAL_DEBUG_ATTACH,
"%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
__func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
/* NB: include chip type to differentiate from pre-Sowl versions */
AH_PRIVATE(ah)->ah_macVersion =
(val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
/* setup common ini data; rf backends handle remainder */
if (AR_SREV_KITE_12_OR_LATER(ah)) {
HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9285PciePhy_clkreq_always_on_L1_v2, 2);
} else {
HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9285PciePhy_clkreq_always_on_L1, 2);
}
ar5416AttachPCIE(ah);
/* Attach methods that require MAC version/revision info */
if (AR_SREV_KITE_12_OR_LATER(ah))
AH5416(ah)->ah_cal_initcal = ar9285InitCalHardware;
if (AR_SREV_KITE_11_OR_LATER(ah))
AH5416(ah)->ah_cal_pacal = ar9002_hw_pa_cal;
ecode = ath_hal_v4kEepromAttach(ah);
if (ecode != HAL_OK)
goto bad;
if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
if (!ar5212ChipTest(ah)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
__func__);
ecode = HAL_ESELFTEST;
goto bad;
}
/*
* Set correct Baseband to analog shift
* setting to access analog chips.
*/
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
/* Read Radio Chip Rev Extract */
AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */
case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */
break;
default:
if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
AH_PRIVATE(ah)->ah_analog5GhzRev =
AR_RAD5133_SREV_MAJOR;
break;
}
#ifdef AH_DEBUG
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: 5G Radio Chip Rev 0x%02X is not supported by "
"this driver\n", __func__,
AH_PRIVATE(ah)->ah_analog5GhzRev);
ecode = HAL_ENOTSUPP;
goto bad;
#endif
}
rfStatus = ar9285RfAttach(ah, &ecode);
if (!rfStatus) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
__func__, ecode);
goto bad;
}
HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
6);
if (AR_SREV_9285E_20(ah))
ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
/* setup txgain table */
switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
case AR5416_EEP_TXGAIN_HIGH_POWER:
if (AR_SREV_9285E_20(ah))
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_XE2_0_high_power, 6);
else
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_high_power_tx_gain_v2, 6);
break;
case AR5416_EEP_TXGAIN_ORIG:
if (AR_SREV_9285E_20(ah))
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_XE2_0_normal_power, 6);
else
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_original_tx_gain_v2, 6);
break;
default:
HALASSERT(AH_FALSE);
goto bad; /* XXX ? try to continue */
}
/*
* Got everything we need now to setup the capabilities.
*/
if (!ar9285FillCapabilityInfo(ah)) {
ecode = HAL_EEREAD;
goto bad;
}
/*
* Print out the EEPROM antenna configuration mapping.
* Some devices have a hard-coded LNA configuration profile;
* others enable diversity.
*/
ar9285_eeprom_print_diversity_settings(ah);
/* Print out whether the EEPROM settings enable AR9285 diversity */
if (ar9285_check_div_comb(ah)) {
ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
}
/* Disable 11n for the AR2427 */
if (devid == AR2427_DEVID_PCIE)
AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
if (ecode != HAL_OK) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error getting mac address from EEPROM\n", __func__);
goto bad;
}
/* XXX How about the serial number ? */
/* Read Reg Domain */
AH_PRIVATE(ah)->ah_currentRD =
ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
/*
* For Kite and later chipsets, the following bits are not
* programmed in EEPROM and so are set as enabled always.
*/
AH_PRIVATE(ah)->ah_currentRDext = AR9285_RDEXT_DEFAULT;
/*
* ah_miscMode is populated by ar5416FillCapabilityInfo()
* starting from griffin. Set here to make sure that
* AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
* placed into hardware.
*/
if (ahp->ah_miscMode != 0)
OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
ar9285AniSetup(ah); /* Anti Noise Immunity */
/* Setup noise floor min/max/nominal values */
AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
/* XXX no 5ghz values? */
ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
return ah;
bad:
if (ah != AH_NULL)
ah->ah_detach(ah);
if (status)
*status = ecode;
return AH_NULL;
}
static void
ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
{
uint32_t val;
/*
* This workaround needs some integration work with the HAL
* config parameters and the if_ath_pci.c glue.
* Specifically, read the value of the PCI register 0x70c
* (4 byte PCI config space register) and store it in ath_hal_war70c.
* Then if it's non-zero, the below WAR would override register
* 0x570c upon suspend/resume.
*/
#if 0
if (AR_SREV_9285E_20(ah)) {
val = AH_PRIVATE(ah)->ah_config.ath_hal_war70c;
if (val) {
val &= 0xffff00ff;
val |= 0x6f00;
OS_REG_WRITE(ah, 0x570c, val);
}
}
#endif
if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
OS_DELAY(1000);
}
/*
* Set PCIe workaround bits
*
* NOTE:
*
* In Merlin and Kite, bit 14 in WA register (disable L1) should only
* be set when device enters D3 and be cleared when device comes back
* to D0.
*/
if (power_off) { /* Power-off */
OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
val = OS_REG_READ(ah, AR_WA);
/*
* Disable bit 6 and 7 before entering D3 to prevent
* system hang.
*/
val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
/*
* See above: set AR_WA_D3_L1_DISABLE when entering D3 state.
*
* XXX The reference HAL does it this way - it only sets
* AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT,
* which it (currently) isn't. So the following statement
* is currently a NOP.
*/
if (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
val |= AR_WA_D3_L1_DISABLE;
if (AR_SREV_9285E_20(ah))
val |= AR_WA_BIT23;
OS_REG_WRITE(ah, AR_WA, val);
} else { /* Power-on */
val = AR9285_WA_DEFAULT;
/*
* See note above: make sure L1_DISABLE is not set.
*/
val &= (~AR_WA_D3_L1_DISABLE);
/* Software workaroud for ASPM system hang. */
val |= (AR_WA_BIT6 | AR_WA_BIT7);
if (AR_SREV_9285E_20(ah))
val |= AR_WA_BIT23;
OS_REG_WRITE(ah, AR_WA, val);
/* set bit 19 to allow forcing of pcie core into L1 state */
OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
}
}
/*
* Start continuous transmit operation.
*/
static int
tx99_start(struct ath_softc *sc)
{
static struct ath_tx99_tgt tx99_tgt;
struct ath_tx99 *tx99 = sc->sc_tx99;
struct ath_hal *ah = sc->sc_ah;
int is2GHz = 0;
wbuf_t wbuf;
HAL_CHANNEL *chan = NULL;
if(tx99->recv)
{
ath_hal_phydisable(ah);
DPRINTF(sc, ATH_DEBUG_TX99, "%s: tx99 continuous receive mode, return!\n", __func__);
return 0;
}
/* check tx99 running state */
if(tx99->tx99_state){ /* already active */
DPRINTF(sc, ATH_DEBUG_TX99, "%s: already running, return!\n", __func__);
return 0;
}
OS_DELAY(10000);
/* set tx99 state active */
tx99->tx99_state = 1;
/* allocate diag packet buffer */
if (tx99->wbuf == NULL) {
tx99->wbuf = wbuf_alloc(sc->sc_osdev, WBUF_TX_DATA, 2000);
if (tx99->wbuf == NULL) {
DPRINTF(sc, ATH_DEBUG_TX99, "%s: unable to allocate wbuf!\n", __func__);
tx99->tx99_state = 0;
return -ENOMEM;
}
} else {
DPRINTF(sc, ATH_DEBUG_TX99, "%s: wbuf was allocated before!\n", __func__);
}
wbuf = tx99->wbuf;
/* drain all tx queue */
ath_drain_txq(sc);
/*
* Setup channel using configured frequency+flags.
*/
if (tx99_channel_setup(sc)) {
DPRINTF(sc, ATH_DEBUG_TX99, "%s: unable to setup channel!\n", __func__);
/* recover the default channel and mode */
tx99->txfreq = 2412;/* ieee channel frequecy */
tx99->htmode = 0;
tx99->htext = 0;
goto bad;
}
/*
* Setup tx power limit
*/
chan = &sc->sc_curchan;
is2GHz = TX99_IS_CHAN_2GHZ(chan);
ath_hal_settxpowlimit(ah,tx99->txpower,0,is2GHz);
/* set tx99 enable */
tx99_tgt.txrate = htonl(tx99->txrate);
tx99_tgt.txrc = htonl(tx99->txrc);
tx99_tgt.txpower = htonl(tx99->txpower);
tx99_tgt.txchain = htonl(tx99->chanmask);
tx99_tgt.htmode = htonl(tx99->htmode);
tx99_tgt.type = htonl(tx99->type);
tx99_tgt.chtype = htonl(TX99_IS_CHAN_5GHZ(chan));
tx99_tgt.txantenna = htonl(0);
if( tx99->txpower < 60 ) /* only update channel pwr if not default MAX power */
ath_hal_tx99_channel_pwr_update(ah, chan, tx99->txpower);
#ifdef ATH_SUPPORT_HTC
ah_tx99_start(ah, (u_int8_t *)&tx99_tgt);
/* send diag packet */
{
struct ath_txep *txep;
A_STATUS ret;
adf_nbuf_put_tail(skb, 1500);
txep = sc->sc_ac2ep[WME_AC_VO];
/* send packet to target */
ret = HTCSendPkt(sc->sc_host_htc_handle, NULL ,skb, sc->sc_data_VO_ep);
if(ret)
{
DPRINTF(sc, ATH_DEBUG_TX99, "%s: tx99 fail!\n", __func__);
tx99_stop(sc, 0);
}
}
#else
if (ath_tx99_tgt_start(sc, tx99_tgt.chtype) != EOK) {
goto bad;
}
#endif
/* wait a while to make sure target setting ready */
OS_DELAY(50000);
DPRINTF(sc, ATH_DEBUG_TX99, "%s: continuous transmit started!\n", __func__);
return 0;
bad:
tx99_stop(sc, 0);
return -EIO;
}
static void
ar9285_hw_pa_cal(struct ath_hal *ah, HAL_BOOL is_reset)
{
uint32_t regVal;
int i, offset, offs_6_1, offs_0;
uint32_t ccomp_org, reg_field;
uint32_t regList[][2] = {
{ 0x786c, 0 },
{ 0x7854, 0 },
{ 0x7820, 0 },
{ 0x7824, 0 },
{ 0x7868, 0 },
{ 0x783c, 0 },
{ 0x7838, 0 },
};
/* PA CAL is not needed for high power solution */
if (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL) ==
AR5416_EEP_TXGAIN_HIGH_POWER)
return;
HALDEBUG(ah, HAL_DEBUG_PERCAL, "Running PA Calibration\n");
for (i = 0; i < N(regList); i++)
regList[i][1] = OS_REG_READ(ah, regList[i][0]);
regVal = OS_REG_READ(ah, 0x7834);
regVal &= (~(0x1));
OS_REG_WRITE(ah, 0x7834, regVal);
regVal = OS_REG_READ(ah, 0x9808);
regVal |= (0x1 << 27);
OS_REG_WRITE(ah, 0x9808, regVal);
OS_REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1);
OS_REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1);
OS_REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1);
OS_REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
ccomp_org = MS(OS_REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_CCOMP);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, 0xf);
OS_REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
OS_DELAY(30);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, 0);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 0);
for (i = 6; i > 0; i--) {
regVal = OS_REG_READ(ah, 0x7834);
regVal |= (1 << (19 + i));
OS_REG_WRITE(ah, 0x7834, regVal);
OS_DELAY(1);
regVal = OS_REG_READ(ah, 0x7834);
regVal &= (~(0x1 << (19 + i)));
reg_field = MS(OS_REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
regVal |= (reg_field << (19 + i));
OS_REG_WRITE(ah, 0x7834, regVal);
}
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 1);
OS_DELAY(1);
reg_field = MS(OS_REG_READ(ah, AR9285_AN_RF2G9), AR9285_AN_RXTXBB1_SPARE9);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, reg_field);
offs_6_1 = MS(OS_REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_OFFS);
offs_0 = MS(OS_REG_READ(ah, AR9285_AN_RF2G3), AR9285_AN_RF2G3_PDVCCOMP);
offset = (offs_6_1<<1) | offs_0;
offset = offset - 0;
offs_6_1 = offset>>1;
offs_0 = offset & 1;
if ((!is_reset) && (AH9285(ah)->pacal_info.prev_offset == offset)) {
if (AH9285(ah)->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
AH9285(ah)->pacal_info.max_skipcount =
2 * AH9285(ah)->pacal_info.max_skipcount;
AH9285(ah)->pacal_info.skipcount = AH9285(ah)->pacal_info.max_skipcount;
} else {
AH9285(ah)->pacal_info.max_skipcount = 1;
AH9285(ah)->pacal_info.skipcount = 0;
AH9285(ah)->pacal_info.prev_offset = offset;
}
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, offs_6_1);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, offs_0);
regVal = OS_REG_READ(ah, 0x7834);
regVal |= 0x1;
OS_REG_WRITE(ah, 0x7834, regVal);
regVal = OS_REG_READ(ah, 0x9808);
regVal &= (~(0x1 << 27));
OS_REG_WRITE(ah, 0x9808, regVal);
for (i = 0; i < N(regList); i++)
OS_REG_WRITE(ah, regList[i][0], regList[i][1]);
OS_REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, ccomp_org);
}
/*
* Stop Receive at the DMA engine
*/
HAL_BOOL
ar9300StopDmaReceive(struct ath_hal *ah, u_int timeout)
{
int wait;
int cnt = 0, fail_cnt = 0;
HAL_BOOL status, okay;
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
#define AH_TIME_QUANTUM 100 /* usec */
#ifdef AR9300_EMULATION
timeout = 100000;
#else
if (timeout == 0) {
timeout = AH_RX_STOP_DMA_TIMEOUT;
}
#endif
OS_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)));
while (cnt < 3 && fail_cnt < 5) {
okay = ath_hal_wait(
ah, AR_DMADBG_7, AR_DMADBG_RX_STATE, 0, AH_WAIT_TIMEOUT);
// wait for Rx DMA state machine to become idle
if (!okay) {
HDPRINTF(ah, HAL_DBG_RX,
"reg AR_DMADBG_7 is not 0, instead 0x%08x\n",
OS_REG_READ(ah, AR_DMADBG_7));
fail_cnt++;
cnt = 0;
}
cnt++;
}
/* Set receive disable bit */
OS_REG_WRITE(ah, AR_CR, AR_CR_RXD);
/* Wait for rx enable bit to go low */
for (wait = timeout / AH_TIME_QUANTUM; wait != 0; wait--) {
if ((OS_REG_READ(ah, AR_CR) & AR_CR_RXE) == 0) {
break;
}
OS_DELAY(AH_TIME_QUANTUM);
}
if (wait == 0) {
HDPRINTF(ah, HAL_DBG_RX, "%s: dma failed to stop in %d ms\n"
"AR_CR=0x%08x\nAR_DIAG_SW=0x%08x\n",
__func__,
timeout / 1000,
OS_REG_READ(ah, AR_CR),
OS_REG_READ(ah, AR_DIAG_SW));
status = AH_FALSE;
} else {
status = AH_TRUE;
}
return status;
#undef AH_RX_STOP_DMA_TIMEOUT
#undef AH_TIME_QUANTUM
}
/*
* WAR for Bug 33276: In certain systems, the RfKill signal is slow to
* stabilize when waking up from power suspend. The RfKill is an
* active-low GPIO signal that could be slow to rise from 0V to VCC.
* Due to this slow transition after a power resume, the driver might
* wrongly read the RfKill is active.
* For this workaround, when the power resumes and the RfKill is found to be
* active and its previous state before sleep is inactive, then we will
* delayed implementing the new RfKill state and poll for up to 1.0 secs.
*
* WARNING: Be careful when calling this routine since it will stall the
* CPU for up to 1 seconds. Ideally, you should call this routine at the
* PASSIVE level.
*/
void
ath_rfkill_delay_detect(struct ath_softc *sc)
{
int wait_time = 0;
HAL_BOOL first_time_after_attach;
/*
* MAX_RFKILL_DELAY_WAIT_TIME is max. time to wait for the RfKill to
* transition from ON to OFF. Units is microsec.
*/
#define MAX_RFKILL_DELAY_WAIT_TIME 1000000
/* Time interval to check RfKill. Units is microsec. */
#define RFKILL_PERIODIC_CHK_TIME 20000
first_time_after_attach = !sc->sc_rfkill.delay_chk_start;
sc->sc_rfkill.delay_chk_start = AH_TRUE;
/*
* Workaround not possible or required for any of the following reasons:
* 1) The hardware can generate the RfKill interrupt,
* 2) First time after system boot,
* 3) Last known hardware state is already OFF,
* 4) Current hardware state is ON (RfKill is disabled).
*/
if (ath_rfkill_hasint(sc) ||
first_time_after_attach ||
!sc->sc_hw_phystate ||
!ath_get_rfkill(sc)) {
return;
}
/* Assumed that the RfKill Poll is not active */
ASSERT(!ath_timer_is_initialized(&sc->sc_rfkill.rf_timer) ||
!ath_timer_is_active(&sc->sc_rfkill.rf_timer));
/*
* Wait for the RfKill to switch back to active
*/
while (ath_get_rfkill(sc)) {
/*
* Bad! We are stalling the CPU for long period of time. Please make
* sure your OSes can handle this.
*/
OS_DELAY(RFKILL_PERIODIC_CHK_TIME);
wait_time += RFKILL_PERIODIC_CHK_TIME;
if (wait_time >= MAX_RFKILL_DELAY_WAIT_TIME) {
/*
* Waited too long. Assumed that the RfKill has stabilized.
*/
DPRINTF(sc, ATH_DEBUG_ANY,
"%s: RfKill state did not changed after delay of %d millisec.\n",
__func__, (wait_time/1000));
return;
}
}
/*
* The RfKill has changed. Update the sw phy state.
*/
DPRINTF(sc, ATH_DEBUG_ANY,
"%s: Warning: RfKill state has switch to OFF after delay of %d millisec.\n",
__func__, (wait_time/1000));
return;
#undef MAX_RFKILL_DELAY_WAIT_TIME
#undef RFKILL_PERIODIC_CHK_TIME
}
static void
ar5416LoadNF(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
static const uint32_t ar5416_cca_regs[] = {
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
};
struct ar5212NfCalHist *h;
int i, j;
int32_t val;
uint8_t chainmask;
/*
* Force NF calibration for all chains.
*/
if (AR_SREV_KITE(ah)) {
/* Kite has only one chain */
chainmask = 0x9;
} else if (AR_SREV_MERLIN(ah)) {
/* Merlin has only two chains */
chainmask = 0x1B;
} else {
chainmask = 0x3F;
}
/*
* Write filtered NF values into maxCCApwr register parameter
* so we can load below.
*/
h = AH5416(ah)->ah_cal.nfCalHist;
for (i = 0; i < AR5416_NUM_NF_READINGS; i ++)
if (chainmask & (1 << i)) {
val = OS_REG_READ(ah, ar5416_cca_regs[i]);
val &= 0xFFFFFE00;
val |= (((uint32_t)(h[i].privNF) << 1) & 0x1ff);
OS_REG_WRITE(ah, ar5416_cca_regs[i], val);
}
/* Load software filtered NF value into baseband internal minCCApwr variable. */
OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF);
OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
/* Wait for load to complete, should be fast, a few 10s of us. */
for (j = 0; j < 1000; j++) {
if ((OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) == 0)
break;
OS_DELAY(10);
}
/*
* Restore maxCCAPower register parameter again so that we're not capped
* by the median we just loaded. This will be initial (and max) value
* of next noise floor calibration the baseband does.
*/
for (i = 0; i < AR5416_NUM_NF_READINGS; i ++)
if (chainmask & (1 << i)) {
val = OS_REG_READ(ah, ar5416_cca_regs[i]);
val &= 0xFFFFFE00;
val |= (((uint32_t)(-50) << 1) & 0x1ff);
OS_REG_WRITE(ah, ar5416_cca_regs[i], val);
}
}
void MMI_ProcessSleep(void) {
/* Delay for 1000 ms */
OS_DELAY(1000);
}
/*
* Deregister a callback.
*/
int
ieee80211_vap_ath_info_dereg_notify(
ieee80211_vap_ath_info_notify_t h_notify)
{
int ret_val = EOK;
int i;
wlan_if_t vap;
ieee80211_vap_ath_info_t h_mgr;
if (h_notify == NULL) {
printk("%s: Error: not attached.\n", __func__);
return EINVAL;
}
h_mgr = h_notify->h_mgr;
ASSERT(h_mgr);
vap = h_mgr->vap;
spin_lock(&(h_mgr->lock));
ASSERT(h_notify->used);
ASSERT(h_mgr->num_registered > 0);
ASSERT(!h_notify->callback_inprog);
h_mgr->num_registered--;
OS_MEMZERO(h_notify, sizeof(struct ieee80211_vap_ath_info_notify));
/* Re-calculate the interested information */
h_mgr->all_interested_types = 0;
for (i = 0; i < MAX_VAP_ATH_INFO_NOTIFY; i++) {
if (!h_mgr->notify[i].used) {
break;
}
h_mgr->all_interested_types |= h_mgr->notify[i].interested_types;
}
if (h_mgr->num_registered == 0) {
/* Last one, deregistered with the ATH callbacks. */
#define MAX_NUM_TRIES 20
int sanity_count = 0;
ASSERT(h_mgr->all_interested_types == 0);
while (true) {
ret_val = vap->iv_dereg_vap_ath_info_notify(vap);
if (ret_val == 1) {
/* Interface is busy. Try again. */
IEEE80211_DPRINTF(vap, IEEE80211_MSG_VAP_ATH_INFO,
"%s: Interface Busy. Try %d of %d\n", __func__, sanity_count, MAX_NUM_TRIES);
OS_DELAY(10); // wait for 10 microseconds
sanity_count++;
if (sanity_count >= MAX_NUM_TRIES) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_VAP_ATH_INFO,
"%s: Error: waiting too long for "
"iv_dereg_vap_ath_info_notify to complete.\n", __func__);
break;
}
continue;
}
else if (ret_val != 0) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_VAP_ATH_INFO,
"%s: Error calling iv_vap_info_get. ret=%d\n", __func__, ret_val);
ret_val = EINVAL;
}
break;
}
#undef MAX_NUM_TRIES
}
else {
ret_val = vap->iv_vap_ath_info_update_notify(vap, h_mgr->all_interested_types);
if (ret_val != 0) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_VAP_ATH_INFO,
"%s: ERROR: Unabled to update registration callback from ATH. ret=%d\n", __func__, ret_val);
ret_val = EINVAL;
}
}
spin_unlock(&(h_mgr->lock));
return ret_val;
}