Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-01 01:31:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

ath9k: Remove RTT/MCI code from SoC calibration

Browse Source 
RTT is enabled only for AR9462 and MCI for AR9462/AR9565.
Also, manual peak calibration is not done for any of the
SoC chips.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2013-11-15 10:50:58 +05:30 committed by John W. Linville
parent 3b06c1d7af
commit a3640781d9
1 changed files with 1 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
drivers/net/wireless/ath/ath9k/ar9003_calib.c
View File

@ -1235,46 +1235,12 @@ static bool ar9003_hw_init_cal_soc(struct ath_hw *ah,
struct ath9k_hw_cal_data *caldata = ah->caldata;
bool txiqcal_done = false;
bool is_reusable = true, status = true;
bool run_rtt_cal = false, run_agc_cal, sep_iq_cal = false;
bool rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT);
bool run_agc_cal = false, sep_iq_cal = false;
u32 rx_delay = 0;
u32 agc_ctrl = 0, agc_supp_cals = AR_PHY_AGC_CONTROL_OFFSET_CAL |
AR_PHY_AGC_CONTROL_FLTR_CAL |
AR_PHY_AGC_CONTROL_PKDET_CAL;
/* Use chip chainmask only for calibration */
ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
if (rtt) {
if (!ar9003_hw_rtt_restore(ah, chan))
run_rtt_cal = true;
if (run_rtt_cal)
ath_dbg(common, CALIBRATE, "RTT calibration to be done\n");
}
run_agc_cal = run_rtt_cal;
if (run_rtt_cal) {
ar9003_hw_rtt_enable(ah);
ar9003_hw_rtt_set_mask(ah, 0x00);
ar9003_hw_rtt_clear_hist(ah);
}
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) {
if (caldata && test_bit(TXCLCAL_DONE, &caldata->cal_flags))
REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL,
@ -1313,9 +1279,6 @@ static bool ar9003_hw_init_cal_soc(struct ath_hw *ah,
}
skip_tx_iqcal:
if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_req(ah, &is_reusable);
if (sep_iq_cal) {
txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
@ -1342,8 +1305,6 @@ skip_tx_iqcal:
status = ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_CAL,
0, AH_WAIT_TIMEOUT);
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) {
@ -1351,18 +1312,7 @@ skip_tx_iqcal:
udelay(5);
}
if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_done(ah);
if (rtt && !run_rtt_cal) {
agc_ctrl |= agc_supp_cals;
REG_WRITE(ah, AR_PHY_AGC_CONTROL, agc_ctrl);
}
if (!status) {
if (run_rtt_cal)
ar9003_hw_rtt_disable(ah);
ath_dbg(common, CALIBRATE,
"offset calibration failed to complete in %d ms; noisy environment?\n",
AH_WAIT_TIMEOUT / 1000);
@ -1376,24 +1326,6 @@ skip_tx_iqcal:
ar9003_hw_cl_cal_post_proc(ah, is_reusable);
if (run_rtt_cal && caldata) {
if (is_reusable) {
if (!ath9k_hw_rfbus_req(ah)) {
ath_err(ath9k_hw_common(ah),
"Could not stop baseband\n");
} 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);
}
ar9003_hw_rtt_disable(ah);
}
/* Revert chainmask to runtime parameters */
ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);