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ath9k_hw: Setup MCI calibration using a helper 

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 2012-02-22 12:41:06 +05:30 committed by John W. Linville
parent d1ca8b8ecd
commit f2f408eff7
3 changed files with 54 additions and 38 deletions
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42
drivers/net/wireless/ath/ath9k/ar9003_calib.c
View File

@ -925,7 +925,6 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_cal_data *caldata = ah->caldata;
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
bool txiqcal_done = false, txclcal_done = false;
bool is_reusable = true, status = true;
bool run_rtt_cal = false, run_agc_cal;
@ -998,30 +997,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
} else if (caldata && !caldata->done_txiqcal_once)
run_agc_cal = true;
if (mci && IS_CHAN_2GHZ(chan) &&
(mci_hw->bt_state == MCI_BT_AWAKE) &&
run_agc_cal &&
!(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL)) {
u32 pld[4] = {0, 0, 0, 0};
/* send CAL_REQ only when BT is AWAKE. */
ath_dbg(common, MCI, "MCI send WLAN_CAL_REQ 0x%x\n",
mci_hw->wlan_cal_seq);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_REQ);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_seq++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
/* Wait BT_CAL_GRANT for 50ms */
ath_dbg(common, MCI, "MCI wait for BT_CAL_GRANT\n");
if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_GRANT, 0, 50000))
ath_dbg(common, MCI, "MCI got BT_CAL_GRANT\n");
else {
is_reusable = false;
ath_dbg(common, MCI, "\nMCI BT is not responding\n");
}
}
if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_req(ah, &is_reusable);
txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
@ -1041,19 +1018,8 @@ skip_tx_iqcal:
0, AH_WAIT_TIMEOUT);
}
if (mci && IS_CHAN_2GHZ(chan) &&
(mci_hw->bt_state == MCI_BT_AWAKE) &&
run_agc_cal &&
!(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL)) {
u32 pld[4] = {0, 0, 0, 0};
ath_dbg(common, MCI, "MCI Send WLAN_CAL_DONE 0x%x\n",
mci_hw->wlan_cal_done);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_DONE);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_done++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
}
if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal)
ar9003_mci_init_cal_done(ah);
if (rtt && !run_rtt_cal) {
agc_ctrl |= agc_supp_cals;

48
drivers/net/wireless/ath/ath9k/ar9003_mci.c
View File

@ -1011,6 +1011,54 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
}
EXPORT_SYMBOL(ar9003_mci_send_message);
void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
u32 pld[4] = {0, 0, 0, 0};
if ((mci_hw->bt_state != MCI_BT_AWAKE) ||
(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
/* send CAL_REQ only when BT is AWAKE. */
ath_dbg(common, MCI, "MCI send WLAN_CAL_REQ 0x%x\n",
mci_hw->wlan_cal_seq);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_REQ);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_seq++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
/* Wait BT_CAL_GRANT for 50ms */
ath_dbg(common, MCI, "MCI wait for BT_CAL_GRANT\n");
if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_GRANT, 0, 50000)) {
ath_dbg(common, MCI, "MCI got BT_CAL_GRANT\n");
} else {
is_reusable = false;
ath_dbg(common, MCI, "MCI BT is not responding\n");
}
}
void ar9003_mci_init_cal_done(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci_hw = &ah->btcoex_hw.mci;
u32 pld[4] = {0, 0, 0, 0};
if ((mci_hw->bt_state != MCI_BT_AWAKE) ||
(mci_hw->config & ATH_MCI_CONFIG_DISABLE_MCI_CAL))
return;
ath_dbg(common, MCI, "MCI Send WLAN_CAL_DONE 0x%x\n",
mci_hw->wlan_cal_done);
MCI_GPM_SET_CAL_TYPE(pld, MCI_GPM_WLAN_CAL_DONE);
pld[MCI_GPM_WLAN_CAL_W_SEQUENCE] = mci_hw->wlan_cal_done++;
ar9003_mci_send_message(ah, MCI_GPM, 0, pld, 16, true, false);
}
void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
u16 len, u32 sched_addr)
{

2
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -1211,6 +1211,8 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
bool check_bt);
void ar9003_mci_mute_bt(struct ath_hw *ah);
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data);
void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
void ar9003_mci_init_cal_done(struct ath_hw *ah);
void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
u16 len, u32 sched_addr);
void ar9003_mci_cleanup(struct ath_hw *ah);