}
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -454,7 +454,6 @@ static void ath9k_hw_init_config(struct
+@@ -17,6 +17,7 @@
+ #include <linux/io.h>
+ #include <linux/slab.h>
+ #include <linux/module.h>
++#include <linux/time.h>
+ #include <asm/unaligned.h>
+
+ #include "hw.h"
+@@ -454,7 +455,6 @@ static void ath9k_hw_init_config(struct
}
ah->config.rx_intr_mitigation = true;
/*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
+@@ -1502,8 +1502,9 @@ static bool ath9k_hw_channel_change(stru
+ int r;
+
+ if (pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) {
+- band_switch = IS_CHAN_5GHZ(ah->curchan) != IS_CHAN_5GHZ(chan);
+- mode_diff = (chan->channelFlags != ah->curchan->channelFlags);
++ u32 flags_diff = chan->channelFlags ^ ah->curchan->channelFlags;
++ band_switch = !!(flags_diff & CHANNEL_5GHZ);
++ mode_diff = !!(flags_diff & ~CHANNEL_HT);
+ }
+
+ for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
+@@ -1815,7 +1816,7 @@ static int ath9k_hw_do_fastcc(struct ath
+ * If cross-band fcc is not supoprted, bail out if channelFlags differ.
+ */
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) &&
+- chan->channelFlags != ah->curchan->channelFlags)
++ ((chan->channelFlags ^ ah->curchan->channelFlags) & ~CHANNEL_HT))
+ goto fail;
+
+ if (!ath9k_hw_check_alive(ah))
+@@ -1856,10 +1857,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ struct ath9k_hw_cal_data *caldata, bool fastcc)
+ {
+ struct ath_common *common = ath9k_hw_common(ah);
++ struct timespec ts;
+ u32 saveLedState;
+ u32 saveDefAntenna;
+ u32 macStaId1;
+ u64 tsf = 0;
++ s64 usec = 0;
+ int r;
+ bool start_mci_reset = false;
+ bool save_fullsleep = ah->chip_fullsleep;
+@@ -1902,10 +1905,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+
+ macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
+
+- /* For chips on which RTC reset is done, save TSF before it gets cleared */
+- if (AR_SREV_9100(ah) ||
+- (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)))
+- tsf = ath9k_hw_gettsf64(ah);
++ /* Save TSF before chip reset, a cold reset clears it */
++ tsf = ath9k_hw_gettsf64(ah);
++ getrawmonotonic(&ts);
++ usec = ts.tv_sec * 1000 + ts.tv_nsec / 1000;
+
+ saveLedState = REG_READ(ah, AR_CFG_LED) &
+ (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
+@@ -1938,8 +1941,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ }
+
+ /* Restore TSF */
+- if (tsf)
+- ath9k_hw_settsf64(ah, tsf);
++ getrawmonotonic(&ts);
++ usec = ts.tv_sec * 1000 + ts.tv_nsec / 1000 - usec;
++ ath9k_hw_settsf64(ah, tsf + usec);
+
+ if (AR_SREV_9280_20_OR_LATER(ah))
+ REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -283,7 +283,6 @@ struct ath9k_ops_config {
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -701,6 +701,54 @@ static int ar9550_hw_get_modes_txgain_in
+@@ -641,11 +641,12 @@ static void ar9003_hw_override_ini(struc
+ else
+ ah->enabled_cals &= ~TX_IQ_CAL;
+
+- if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE)
+- ah->enabled_cals |= TX_CL_CAL;
+- else
+- ah->enabled_cals &= ~TX_CL_CAL;
+ }
++
++ if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE)
++ ah->enabled_cals |= TX_CL_CAL;
++ else
++ ah->enabled_cals &= ~TX_CL_CAL;
+ }
+
+ static void ar9003_hw_prog_ini(struct ath_hw *ah,
+@@ -701,6 +702,54 @@ static int ar9550_hw_get_modes_txgain_in
return ret;
}
static int ar9003_hw_process_ini(struct ath_hw *ah,
struct ath9k_channel *chan)
{
-@@ -726,6 +774,8 @@ static int ar9003_hw_process_ini(struct
+@@ -726,6 +775,8 @@ static int ar9003_hw_process_ini(struct
modesIndex);
}
skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
}
}
+--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+@@ -1040,8 +1040,8 @@ static void ar9003_hw_cl_cal_post_proc(s
+ }
+ }
+
+-static bool ar9003_hw_init_cal(struct ath_hw *ah,
+- struct ath9k_channel *chan)
++static bool ar9003_hw_init_cal_pcoem(struct ath_hw *ah,
++ struct ath9k_channel *chan)
+ {
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_hw_cal_data *caldata = ah->caldata;
+@@ -1228,13 +1228,109 @@ skip_tx_iqcal:
+ return true;
+ }
+
++static bool ar9003_hw_init_cal_soc(struct ath_hw *ah,
++ struct ath9k_channel *chan)
++{
++ struct ath_common *common = ath9k_hw_common(ah);
++ struct ath9k_hw_cal_data *caldata = ah->caldata;
++ bool txiqcal_done = false;
++ bool is_reusable = true, status = true;
++ bool run_agc_cal = false, sep_iq_cal = false;
++
++ /* Use chip chainmask only for calibration */
++ ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
++
++ if (ah->enabled_cals & TX_CL_CAL) {
++ REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
++ run_agc_cal = true;
++ }
++
++ if (IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan))
++ goto skip_tx_iqcal;
++
++ /* Do Tx IQ Calibration */
++ REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1,
++ AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT,
++ DELPT);
++
++ /*
++ * For AR9485 or later chips, TxIQ cal runs as part of
++ * AGC calibration. Specifically, AR9550 in SoC chips.
++ */
++ if (ah->enabled_cals & TX_IQ_ON_AGC_CAL) {
++ txiqcal_done = true;
++ run_agc_cal = true;
++ } else {
++ sep_iq_cal = true;
++ run_agc_cal = true;
++ }
++
++ /*
++ * In the SoC family, this will run for AR9300, AR9331 and AR9340.
++ */
++ if (sep_iq_cal) {
++ txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
++ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
++ udelay(5);
++ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
++ }
++
++skip_tx_iqcal:
++ if (run_agc_cal || !(ah->ah_flags & AH_FASTCC)) {
++ /* Calibrate the AGC */
++ REG_WRITE(ah, AR_PHY_AGC_CONTROL,
++ REG_READ(ah, AR_PHY_AGC_CONTROL) |
++ AR_PHY_AGC_CONTROL_CAL);
++
++ /* Poll for offset calibration complete */
++ status = ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
++ AR_PHY_AGC_CONTROL_CAL,
++ 0, AH_WAIT_TIMEOUT);
++ }
++
++ if (!status) {
++ ath_dbg(common, CALIBRATE,
++ "offset calibration failed to complete in %d ms; noisy environment?\n",
++ AH_WAIT_TIMEOUT / 1000);
++ return false;
++ }
++
++ if (txiqcal_done)
++ ar9003_hw_tx_iq_cal_post_proc(ah, is_reusable);
++
++ /* Revert chainmask to runtime parameters */
++ ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
++
++ /* Initialize list pointers */
++ ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
++
++ INIT_CAL(&ah->iq_caldata);
++ INSERT_CAL(ah, &ah->iq_caldata);
++ ath_dbg(common, CALIBRATE, "enabling IQ Calibration\n");
++
++ /* Initialize current pointer to first element in list */
++ ah->cal_list_curr = ah->cal_list;
++
++ if (ah->cal_list_curr)
++ ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
++
++ if (caldata)
++ caldata->CalValid = 0;
++
++ return true;
++}
++
+ void ar9003_hw_attach_calib_ops(struct ath_hw *ah)
+ {
+ struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+ struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
++ if (AR_SREV_9485(ah) || AR_SREV_9462(ah) || AR_SREV_9565(ah))
++ priv_ops->init_cal = ar9003_hw_init_cal_pcoem;
++ else
++ priv_ops->init_cal = ar9003_hw_init_cal_soc;
++
+ priv_ops->init_cal_settings = ar9003_hw_init_cal_settings;
+- priv_ops->init_cal = ar9003_hw_init_cal;
+ priv_ops->setup_calibration = ar9003_hw_setup_calibration;
+
+ ops->calibrate = ar9003_hw_calibrate;
+--- a/drivers/net/wireless/ath/ath9k/common.c
++++ b/drivers/net/wireless/ath/ath9k/common.c
+@@ -98,10 +98,8 @@ struct ath9k_channel *ath9k_cmn_get_chan
+ {
+ struct ieee80211_channel *curchan = chandef->chan;
+ struct ath9k_channel *channel;
+- u8 chan_idx;
+
+- chan_idx = curchan->hw_value;
+- channel = &ah->channels[chan_idx];
++ channel = &ah->channels[curchan->hw_value];
+ ath9k_cmn_update_ichannel(channel, chandef);
+
+ return channel;
projects / openwrt.git / commitdiff