* [PATCH 1/2] ath9k: Use bitops for calibration flags
@ 2013-09-11 11:06 Sujith Manoharan
2013-09-11 11:06 ` [PATCH 2/2] ath9k: Fix PeakDetect calibration for AR9462 Sujith Manoharan
0 siblings, 1 reply; 2+ messages in thread
From: Sujith Manoharan @ 2013-09-11 11:06 UTC (permalink / raw)
To: John Linville; +Cc: linux-wireless
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/ar9002_calib.c | 4 ++--
drivers/net/wireless/ath/ath9k/ar9003_calib.c | 20 ++++++++++++--------
drivers/net/wireless/ath/ath9k/ar9003_mci.c | 6 +++---
drivers/net/wireless/ath/ath9k/ar9003_rtt.c | 6 +++---
drivers/net/wireless/ath/ath9k/calib.c | 14 +++++++-------
drivers/net/wireless/ath/ath9k/hw.c | 12 ++++++------
drivers/net/wireless/ath/ath9k/hw.h | 18 +++++++++++-------
drivers/net/wireless/ath/ath9k/link.c | 12 +++++++-----
drivers/net/wireless/ath/ath9k/xmit.c | 2 +-
9 files changed, 52 insertions(+), 42 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index 9f58974..32376ad 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -671,7 +671,7 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
if (ah->caldata)
- nfcal_pending = ah->caldata->nfcal_pending;
+ nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
if (currCal && !nfcal &&
(currCal->calState == CAL_RUNNING ||
@@ -861,7 +861,7 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
ar9002_hw_pa_cal(ah, true);
if (ah->caldata)
- ah->caldata->nfcal_pending = true;
+ set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 6001bc0..687173c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -727,8 +727,12 @@ static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0,
AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x1);
- if (caldata)
- caldata->done_txiqcal_once = is_reusable;
+ if (caldata) {
+ if (is_reusable)
+ set_bit(TXIQCAL_DONE, &caldata->cal_flags);
+ else
+ clear_bit(TXIQCAL_DONE, &caldata->cal_flags);
+ }
return;
}
@@ -990,7 +994,7 @@ static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable)
txclcal_done = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) &
AR_PHY_AGC_CONTROL_CLC_SUCCESS);
- if (caldata->done_txclcal_once) {
+ if (test_bit(TXCLCAL_DONE, &caldata->cal_flags)) {
for (i = 0; i < AR9300_MAX_CHAINS; i++) {
if (!(ah->txchainmask & (1 << i)))
continue;
@@ -1006,7 +1010,7 @@ static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable)
caldata->tx_clcal[i][j] =
REG_READ(ah, CL_TAB_ENTRY(cl_idx[i]));
}
- caldata->done_txclcal_once = true;
+ set_bit(TXCLCAL_DONE, &caldata->cal_flags);
}
}
@@ -1053,7 +1057,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
}
if (ah->enabled_cals & TX_CL_CAL) {
- if (caldata && caldata->done_txclcal_once)
+ if (caldata && test_bit(TXCLCAL_DONE, &caldata->cal_flags))
REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL,
AR_PHY_CL_CAL_ENABLE);
else {
@@ -1077,14 +1081,14 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
* AGC calibration
*/
if (ah->enabled_cals & TX_IQ_ON_AGC_CAL) {
- if (caldata && !caldata->done_txiqcal_once)
+ if (caldata && !test_bit(TXIQCAL_DONE, &caldata->cal_flags))
REG_SET_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0,
AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL);
else
REG_CLR_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0,
AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL);
txiqcal_done = run_agc_cal = true;
- } else if (caldata && !caldata->done_txiqcal_once) {
+ } else if (caldata && !test_bit(TXIQCAL_DONE, &caldata->cal_flags)) {
run_agc_cal = true;
sep_iq_cal = true;
}
@@ -1148,7 +1152,7 @@ skip_tx_iqcal:
if (txiqcal_done)
ar9003_hw_tx_iq_cal_post_proc(ah, is_reusable);
- else if (caldata && caldata->done_txiqcal_once)
+ else if (caldata && test_bit(TXIQCAL_DONE, &caldata->cal_flags))
ar9003_hw_tx_iq_cal_reload(ah);
ar9003_hw_cl_cal_post_proc(ah, is_reusable);
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 8dd0692..7b94a6c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -753,9 +753,9 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
1 << AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT);
if (caldata) {
- caldata->done_txiqcal_once = false;
- caldata->done_txclcal_once = false;
- caldata->rtt_done = false;
+ clear_bit(TXIQCAL_DONE, &caldata->cal_flags);
+ clear_bit(TXCLCAL_DONE, &caldata->cal_flags);
+ clear_bit(RTT_DONE, &caldata->cal_flags);
}
if (!ath9k_hw_init_cal(ah, chan))
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
index 74de353..e398c18 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
@@ -161,7 +161,7 @@ void ar9003_hw_rtt_fill_hist(struct ath_hw *ah)
}
}
- ah->caldata->rtt_done = true;
+ set_bit(RTT_DONE, &ah->caldata->cal_flags);
}
void ar9003_hw_rtt_clear_hist(struct ath_hw *ah)
@@ -176,7 +176,7 @@ void ar9003_hw_rtt_clear_hist(struct ath_hw *ah)
}
if (ah->caldata)
- ah->caldata->rtt_done = false;
+ clear_bit(RTT_DONE, &ah->caldata->cal_flags);
}
bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan)
@@ -186,7 +186,7 @@ bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan)
if (!ah->caldata)
return false;
- if (!ah->caldata->rtt_done)
+ if (!test_bit(RTT_DONE, &ah->caldata->cal_flags))
return false;
ar9003_hw_rtt_enable(ah);
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 5e8219a..d438a03 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -119,7 +119,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
ath_dbg(common, CALIBRATE,
"NFmid[%d] (%d) > MAX (%d), %s\n",
i, h[i].privNF, limit->max,
- (cal->nfcal_interference ?
+ (test_bit(NFCAL_INTF, &cal->cal_flags) ?
"not corrected (due to interference)" :
"correcting to MAX"));
@@ -130,7 +130,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
* we bypass this limit here in order to better deal
* with our environment.
*/
- if (!cal->nfcal_interference)
+ if (!test_bit(NFCAL_INTF, &cal->cal_flags))
h[i].privNF = limit->max;
}
}
@@ -141,7 +141,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
* Re-enable the enforcement of the NF maximum again.
*/
if (!high_nf_mid)
- cal->nfcal_interference = false;
+ clear_bit(NFCAL_INTF, &cal->cal_flags);
}
static bool ath9k_hw_get_nf_thresh(struct ath_hw *ah,
@@ -220,7 +220,7 @@ EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)
{
if (ah->caldata)
- ah->caldata->nfcal_pending = true;
+ set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_ENABLE_NF);
@@ -391,7 +391,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
}
h = caldata->nfCalHist;
- caldata->nfcal_pending = false;
+ clear_bit(NFCAL_PENDING, &caldata->cal_flags);
ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
chan->noisefloor = h[0].privNF;
ah->noise = ath9k_hw_getchan_noise(ah, chan);
@@ -437,12 +437,12 @@ void ath9k_hw_bstuck_nfcal(struct ath_hw *ah)
* the baseband update the internal NF value itself, similar to
* what is being done after a full reset.
*/
- if (!caldata->nfcal_pending)
+ if (!test_bit(NFCAL_PENDING, &caldata->cal_flags))
ath9k_hw_start_nfcal(ah, true);
else if (!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF))
ath9k_hw_getnf(ah, ah->curchan);
- caldata->nfcal_interference = true;
+ set_bit(NFCAL_INTF, &caldata->cal_flags);
}
EXPORT_SYMBOL(ath9k_hw_bstuck_nfcal);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7d6e35d..4e66c17 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1847,9 +1847,9 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan)
* re-using are present.
*/
if (AR_SREV_9462(ah) && (ah->caldata &&
- (!ah->caldata->done_txiqcal_once ||
- !ah->caldata->done_txclcal_once ||
- !ah->caldata->rtt_done)))
+ (!test_bit(TXIQCAL_DONE, &ah->caldata->cal_flags) ||
+ !test_bit(TXCLCAL_DONE, &ah->caldata->cal_flags) ||
+ !test_bit(RTT_DONE, &ah->caldata->cal_flags))))
goto fail;
ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n",
@@ -1905,7 +1905,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
memset(caldata, 0, sizeof(*caldata));
ath9k_init_nfcal_hist_buffer(ah, chan);
} else if (caldata) {
- caldata->paprd_packet_sent = false;
+ clear_bit(PAPRD_PACKET_SENT, &caldata->cal_flags);
}
ah->noise = ath9k_hw_getchan_noise(ah, chan);
@@ -2042,8 +2042,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_bb(ah, chan);
if (caldata) {
- caldata->done_txiqcal_once = false;
- caldata->done_txclcal_once = false;
+ clear_bit(TXIQCAL_DONE, &caldata->cal_flags);
+ clear_bit(TXCLCAL_DONE, &caldata->cal_flags);
}
if (!ath9k_hw_init_cal(ah, chan))
return -EIO;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 8e1c675..2df1095 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -404,20 +404,24 @@ enum ath9k_int {
#define MAX_CL_TAB_ENTRY 16
#define CL_TAB_ENTRY(reg_base) (reg_base + (4 * j))
+enum ath9k_cal_flags {
+ RTT_DONE,
+ PAPRD_PACKET_SENT,
+ PAPRD_DONE,
+ NFCAL_PENDING,
+ NFCAL_INTF,
+ TXIQCAL_DONE,
+ TXCLCAL_DONE,
+};
+
struct ath9k_hw_cal_data {
u16 channel;
u32 channelFlags;
u32 chanmode;
+ unsigned long cal_flags;
int32_t CalValid;
int8_t iCoff;
int8_t qCoff;
- bool rtt_done;
- bool paprd_packet_sent;
- bool paprd_done;
- bool nfcal_pending;
- bool nfcal_interference;
- bool done_txiqcal_once;
- bool done_txclcal_once;
u16 small_signal_gain[AR9300_MAX_CHAINS];
u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
u32 num_measures[AR9300_MAX_CHAINS];
diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index 2f831db..84a6064 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -184,7 +184,7 @@ static void ath_paprd_activate(struct ath_softc *sc)
struct ath9k_hw_cal_data *caldata = ah->caldata;
int chain;
- if (!caldata || !caldata->paprd_done) {
+ if (!caldata || !test_bit(PAPRD_DONE, &caldata->cal_flags)) {
ath_dbg(common, CALIBRATE, "Failed to activate PAPRD\n");
return;
}
@@ -256,7 +256,9 @@ void ath_paprd_calibrate(struct work_struct *work)
int len = 1800;
int ret;
- if (!caldata || !caldata->paprd_packet_sent || caldata->paprd_done) {
+ if (!caldata ||
+ !test_bit(PAPRD_PACKET_SENT, &caldata->cal_flags) ||
+ test_bit(PAPRD_DONE, &caldata->cal_flags)) {
ath_dbg(common, CALIBRATE, "Skipping PAPRD calibration\n");
return;
}
@@ -316,7 +318,7 @@ void ath_paprd_calibrate(struct work_struct *work)
kfree_skb(skb);
if (chain_ok) {
- caldata->paprd_done = true;
+ set_bit(PAPRD_DONE, &caldata->cal_flags);
ath_paprd_activate(sc);
}
@@ -343,7 +345,7 @@ void ath_ani_calibrate(unsigned long data)
u32 cal_interval, short_cal_interval, long_cal_interval;
unsigned long flags;
- if (ah->caldata && ah->caldata->nfcal_interference)
+ if (ah->caldata && test_bit(NFCAL_INTF, &ah->caldata->cal_flags))
long_cal_interval = ATH_LONG_CALINTERVAL_INT;
else
long_cal_interval = ATH_LONG_CALINTERVAL;
@@ -432,7 +434,7 @@ set_timer:
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
if (ar9003_is_paprd_enabled(ah) && ah->caldata) {
- if (!ah->caldata->paprd_done) {
+ if (!test_bit(PAPRD_DONE, &ah->caldata->cal_flags)) {
ieee80211_queue_work(sc->hw, &sc->paprd_work);
} else if (!ah->paprd_table_write_done) {
ath9k_ps_wakeup(sc);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 35b515f..62c93a6 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2315,7 +2315,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
if (sc->sc_ah->caldata)
- sc->sc_ah->caldata->paprd_packet_sent = true;
+ set_bit(PAPRD_PACKET_SENT, &sc->sc_ah->caldata->cal_flags);
if (!(tx_flags & ATH_TX_ERROR))
/* Frame was ACKed */
--
1.8.4
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH 2/2] ath9k: Fix PeakDetect calibration for AR9462
2013-09-11 11:06 [PATCH 1/2] ath9k: Use bitops for calibration flags Sujith Manoharan
@ 2013-09-11 11:06 ` Sujith Manoharan
0 siblings, 0 replies; 2+ messages in thread
From: Sujith Manoharan @ 2013-09-11 11:06 UTC (permalink / raw)
To: John Linville; +Cc: linux-wireless
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Since HW PeakDetect calibration is turned on for AR9462,
various conditions have to be handled in the driver:
* Enable agc_cal when loading RTT fails.
* Disable SW PeakDetect calibration when RTT calibration is not enabled.
* Keep SW PeakDetect calibration result in driver.
* Update RTT table according to the saved value.
* Write RTT back after modifying SW RTT table.
* Enable local mode for PeakDetect calibration and restore values.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/ar9003_calib.c | 57 +++++++++++++++++++++------
drivers/net/wireless/ath/ath9k/ar9003_rtt.c | 52 +++++++++++++++++++++++-
drivers/net/wireless/ath/ath9k/hw.h | 2 +
3 files changed, 99 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 687173c..22934d3 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -965,18 +965,44 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g)
}
static void ar9003_hw_do_manual_peak_cal(struct ath_hw *ah,
- struct ath9k_channel *chan)
+ struct ath9k_channel *chan,
+ bool run_rtt_cal)
{
+ struct ath9k_hw_cal_data *caldata = ah->caldata;
int i;
if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah) && !AR_SREV_9485(ah))
return;
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_RTT) && !run_rtt_cal)
+ return;
+
for (i = 0; i < AR9300_MAX_CHAINS; i++) {
if (!(ah->rxchainmask & (1 << i)))
continue;
ar9003_hw_manual_peak_cal(ah, i, IS_CHAN_2GHZ(chan));
}
+
+ if (caldata)
+ set_bit(SW_PKDET_DONE, &caldata->cal_flags);
+
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_RTT) && caldata) {
+ if (IS_CHAN_2GHZ(chan)){
+ caldata->caldac[0] = REG_READ_FIELD(ah,
+ AR_PHY_65NM_RXRF_AGC(0),
+ AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR);
+ caldata->caldac[1] = REG_READ_FIELD(ah,
+ AR_PHY_65NM_RXRF_AGC(1),
+ AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR);
+ } else {
+ caldata->caldac[0] = REG_READ_FIELD(ah,
+ AR_PHY_65NM_RXRF_AGC(0),
+ AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR);
+ caldata->caldac[1] = REG_READ_FIELD(ah,
+ AR_PHY_65NM_RXRF_AGC(1),
+ AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR);
+ }
+ }
}
static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable)
@@ -1047,13 +1073,18 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
ar9003_hw_rtt_clear_hist(ah);
}
- if (rtt && !run_rtt_cal) {
- agc_ctrl = REG_READ(ah, AR_PHY_AGC_CONTROL);
- agc_supp_cals &= agc_ctrl;
- agc_ctrl &= ~(AR_PHY_AGC_CONTROL_OFFSET_CAL |
- AR_PHY_AGC_CONTROL_FLTR_CAL |
- AR_PHY_AGC_CONTROL_PKDET_CAL);
- REG_WRITE(ah, AR_PHY_AGC_CONTROL, agc_ctrl);
+ if (rtt) {
+ if (!run_rtt_cal) {
+ agc_ctrl = REG_READ(ah, AR_PHY_AGC_CONTROL);
+ agc_supp_cals &= agc_ctrl;
+ agc_ctrl &= ~(AR_PHY_AGC_CONTROL_OFFSET_CAL |
+ AR_PHY_AGC_CONTROL_FLTR_CAL |
+ AR_PHY_AGC_CONTROL_PKDET_CAL);
+ REG_WRITE(ah, AR_PHY_AGC_CONTROL, agc_ctrl);
+ } else {
+ if (ah->ah_flags & AH_FASTCC)
+ run_agc_cal = true;
+ }
}
if (ah->enabled_cals & TX_CL_CAL) {
@@ -1124,7 +1155,7 @@ skip_tx_iqcal:
AR_PHY_AGC_CONTROL_CAL,
0, AH_WAIT_TIMEOUT);
- ar9003_hw_do_manual_peak_cal(ah, chan);
+ ar9003_hw_do_manual_peak_cal(ah, chan, run_rtt_cal);
}
if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE) {
@@ -1159,12 +1190,16 @@ skip_tx_iqcal:
if (run_rtt_cal && caldata) {
if (is_reusable) {
- if (!ath9k_hw_rfbus_req(ah))
+ if (!ath9k_hw_rfbus_req(ah)) {
ath_err(ath9k_hw_common(ah),
"Could not stop baseband\n");
- else
+ } else {
ar9003_hw_rtt_fill_hist(ah);
+ if (test_bit(SW_PKDET_DONE, &caldata->cal_flags))
+ ar9003_hw_rtt_load_hist(ah);
+ }
+
ath9k_hw_rfbus_done(ah);
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
index e398c18..9344188 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c
@@ -118,6 +118,27 @@ void ar9003_hw_rtt_load_hist(struct ath_hw *ah)
}
}
+static void ar9003_hw_patch_rtt(struct ath_hw *ah, int index, int chain)
+{
+ int agc, caldac;
+
+ if (!test_bit(SW_PKDET_DONE, &ah->caldata->cal_flags))
+ return;
+
+ if ((index != 5) || (chain >= 2))
+ return;
+
+ agc = REG_READ_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
+ AR_PHY_65NM_RXRF_AGC_AGC_OVERRIDE);
+ if (!agc)
+ return;
+
+ caldac = ah->caldata->caldac[chain];
+ ah->caldata->rtt_table[chain][index] &= 0xFFFF05FF;
+ caldac = (caldac & 0x20) | ((caldac & 0x1F) << 7);
+ ah->caldata->rtt_table[chain][index] |= (caldac << 4);
+}
+
static int ar9003_hw_rtt_fill_hist_entry(struct ath_hw *ah, u8 chain, u32 index)
{
u32 val;
@@ -155,6 +176,9 @@ void ar9003_hw_rtt_fill_hist(struct ath_hw *ah)
for (i = 0; i < MAX_RTT_TABLE_ENTRY; i++) {
ah->caldata->rtt_table[chain][i] =
ar9003_hw_rtt_fill_hist_entry(ah, chain, i);
+
+ ar9003_hw_patch_rtt(ah, i, chain);
+
ath_dbg(ath9k_hw_common(ah), CALIBRATE,
"RTT value at idx %d, chain %d is: 0x%x\n",
i, chain, ah->caldata->rtt_table[chain][i]);
@@ -186,11 +210,37 @@ bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan)
if (!ah->caldata)
return false;
+ if (test_bit(SW_PKDET_DONE, &ah->caldata->cal_flags)) {
+ if (IS_CHAN_2GHZ(chan)){
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(0),
+ AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR,
+ ah->caldata->caldac[0]);
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(1),
+ AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR,
+ ah->caldata->caldac[1]);
+ } else {
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(0),
+ AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR,
+ ah->caldata->caldac[0]);
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(1),
+ AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR,
+ ah->caldata->caldac[1]);
+ }
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(1),
+ AR_PHY_65NM_RXRF_AGC_AGC_OVERRIDE, 0x1);
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(0),
+ AR_PHY_65NM_RXRF_AGC_AGC_OVERRIDE, 0x1);
+ }
+
if (!test_bit(RTT_DONE, &ah->caldata->cal_flags))
return false;
ar9003_hw_rtt_enable(ah);
- ar9003_hw_rtt_set_mask(ah, 0x10);
+
+ if (test_bit(SW_PKDET_DONE, &ah->caldata->cal_flags))
+ ar9003_hw_rtt_set_mask(ah, 0x30);
+ else
+ ar9003_hw_rtt_set_mask(ah, 0x10);
if (!ath9k_hw_rfbus_req(ah)) {
ath_err(ath9k_hw_common(ah), "Could not stop baseband\n");
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 2df1095..cc27324 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -412,6 +412,7 @@ enum ath9k_cal_flags {
NFCAL_INTF,
TXIQCAL_DONE,
TXCLCAL_DONE,
+ SW_PKDET_DONE,
};
struct ath9k_hw_cal_data {
@@ -422,6 +423,7 @@ struct ath9k_hw_cal_data {
int32_t CalValid;
int8_t iCoff;
int8_t qCoff;
+ u8 caldac[2];
u16 small_signal_gain[AR9300_MAX_CHAINS];
u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
u32 num_measures[AR9300_MAX_CHAINS];
--
1.8.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2013-09-11 11:06 [PATCH 1/2] ath9k: Use bitops for calibration flags Sujith Manoharan
2013-09-11 11:06 ` [PATCH 2/2] ath9k: Fix PeakDetect calibration for AR9462 Sujith Manoharan
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