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path: root/drivers/net/wireless/ath/ath9k/ar9003_mci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mci.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c116
1 files changed, 91 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 9a34fcaae3f..7b94a6c7db3 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -749,15 +749,21 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
mci_hw->bt_state = MCI_BT_AWAKE;
+ REG_CLR_BIT(ah, AR_PHY_TIMING4,
+ 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))
return -EIO;
+ REG_SET_BIT(ah, AR_PHY_TIMING4,
+ 1 << AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT);
+
exit:
ar9003_mci_enable_interrupt(ah);
return 0;
@@ -798,6 +804,9 @@ static void ar9003_mci_osla_setup(struct ath_hw *ah, bool enable)
REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2,
AR_MCI_SCHD_TABLE_2_MEM_BASED, 1);
+ if (AR_SREV_9565(ah))
+ REG_RMW_FIELD(ah, AR_MCI_MISC, AR_MCI_MISC_HW_FIX_EN, 1);
+
if (!(mci->config & ATH_MCI_CONFIG_DISABLE_AGGR_THRESH)) {
thresh = MS(mci->config, ATH_MCI_CONFIG_AGGR_THRESH);
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
@@ -812,25 +821,24 @@ static void ar9003_mci_osla_setup(struct ath_hw *ah, bool enable)
AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN, 1);
}
-void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
- bool is_full_sleep)
+int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
+ bool is_full_sleep)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 regval;
+ u32 regval, i;
ath_dbg(common, MCI, "MCI Reset (full_sleep = %d, is_2g = %d)\n",
is_full_sleep, is_2g);
if (!mci->gpm_addr && !mci->sched_addr) {
- ath_dbg(common, MCI,
- "MCI GPM and schedule buffers are not allocated\n");
- return;
+ ath_err(common, "MCI GPM and schedule buffers are not allocated\n");
+ return -ENOMEM;
}
if (REG_READ(ah, AR_BTCOEX_CTRL) == 0xdeadbeef) {
- ath_dbg(common, MCI, "BTCOEX control register is dead\n");
- return;
+ ath_err(common, "BTCOEX control register is dead\n");
+ return -EINVAL;
}
/* Program MCI DMA related registers */
@@ -847,11 +855,18 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
SM(1, AR_BTCOEX_CTRL_WBTIMER_EN) |
SM(1, AR_BTCOEX_CTRL_PA_SHARED) |
SM(1, AR_BTCOEX_CTRL_LNA_SHARED) |
- SM(2, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
- SM(3, AR_BTCOEX_CTRL_RX_CHAIN_MASK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_ACK) |
SM(0, AR_BTCOEX_CTRL_1_CHAIN_BCN) |
SM(0, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN);
+ if (AR_SREV_9565(ah)) {
+ regval |= SM(1, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
+ SM(1, AR_BTCOEX_CTRL_RX_CHAIN_MASK);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
+ AR_BTCOEX_CTRL2_TX_CHAIN_MASK, 0x1);
+ } else {
+ regval |= SM(2, AR_BTCOEX_CTRL_NUM_ANTENNAS) |
+ SM(3, AR_BTCOEX_CTRL_RX_CHAIN_MASK);
+ }
REG_WRITE(ah, AR_BTCOEX_CTRL, regval);
@@ -865,9 +880,24 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL3,
AR_BTCOEX_CTRL3_CONT_INFO_TIMEOUT, 20);
- REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_RX_DEWEIGHT, 1);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_RX_DEWEIGHT, 0);
REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
+ /* Set the time out to 3.125ms (5 BT slots) */
+ REG_RMW_FIELD(ah, AR_BTCOEX_WL_LNA, AR_BTCOEX_WL_LNA_TIMEOUT, 0x3D090);
+
+ /* concurrent tx priority */
+ if (mci->config & ATH_MCI_CONFIG_CONCUR_TX) {
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
+ AR_BTCOEX_CTRL2_DESC_BASED_TXPWR_ENABLE, 0);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
+ AR_BTCOEX_CTRL2_TXPWR_THRESH, 0x7f);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_REDUCE_TXPWR, 0);
+ for (i = 0; i < 8; i++)
+ REG_WRITE(ah, AR_BTCOEX_MAX_TXPWR(i), 0x7f7f7f7f);
+ }
+
regval = MS(mci->config, ATH_MCI_CONFIG_CLK_DIV);
REG_RMW_FIELD(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_CLK_DIV, regval);
REG_SET_BIT(ah, AR_BTCOEX_CTRL, AR_BTCOEX_CTRL_MCI_MODE_EN);
@@ -910,8 +940,13 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
mci->ready = true;
ar9003_mci_prep_interface(ah);
+ if (AR_SREV_9565(ah))
+ REG_RMW_FIELD(ah, AR_MCI_DBG_CNT_CTRL,
+ AR_MCI_DBG_CNT_CTRL_ENABLE, 0);
if (en_int)
ar9003_mci_enable_interrupt(ah);
+
+ return 0;
}
void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
@@ -1026,6 +1061,9 @@ void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool force)
if (!(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA))
ar9003_mci_osla_setup(ah, true);
+
+ if (AR_SREV_9462(ah))
+ REG_WRITE(ah, AR_SELFGEN_MASK, 0x02);
} else {
ar9003_mci_send_lna_take(ah, true);
udelay(5);
@@ -1142,8 +1180,8 @@ void ar9003_mci_init_cal_done(struct ath_hw *ah)
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)
+int ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
+ u16 len, u32 sched_addr)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
@@ -1152,7 +1190,7 @@ void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
mci->gpm_len = len;
mci->sched_addr = sched_addr;
- ar9003_mci_reset(ah, true, true, true);
+ return ar9003_mci_reset(ah, true, true, true);
}
EXPORT_SYMBOL(ar9003_mci_setup);
@@ -1167,7 +1205,7 @@ EXPORT_SYMBOL(ar9003_mci_cleanup);
u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 value = 0;
+ u32 value = 0, tsf;
u8 query_type;
switch (state_type) {
@@ -1201,12 +1239,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
ar9003_mci_2g5g_switch(ah, false);
break;
- case MCI_STATE_SET_BT_CAL_START:
- mci->bt_state = MCI_BT_CAL_START;
- break;
- case MCI_STATE_SET_BT_CAL:
- mci->bt_state = MCI_BT_CAL;
- break;
case MCI_STATE_RESET_REQ_WAKE:
ar9003_mci_reset_req_wakeup(ah);
mci->update_2g5g = true;
@@ -1231,6 +1263,14 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
ar9003_mci_send_coex_bt_status_query(ah, true, query_type);
break;
case MCI_STATE_RECOVER_RX:
+ tsf = ath9k_hw_gettsf32(ah);
+ if ((tsf - mci->last_recovery) <= MCI_RECOVERY_DUR_TSF) {
+ ath_dbg(ath9k_hw_common(ah), MCI,
+ "(MCI) ignore Rx recovery\n");
+ break;
+ }
+ ath_dbg(ath9k_hw_common(ah), MCI, "(MCI) RECOVER RX\n");
+ mci->last_recovery = tsf;
ar9003_mci_prep_interface(ah);
mci->query_bt = true;
mci->need_flush_btinfo = true;
@@ -1240,6 +1280,10 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
case MCI_STATE_NEED_FTP_STOMP:
value = !(mci->config & ATH_MCI_CONFIG_DISABLE_FTP_STOMP);
break;
+ case MCI_STATE_NEED_FLUSH_BT_INFO:
+ value = (!mci->unhalt_bt_gpm && mci->need_flush_btinfo) ? 1 : 0;
+ mci->need_flush_btinfo = false;
+ break;
default:
break;
}
@@ -1289,7 +1333,7 @@ void ar9003_mci_set_power_awake(struct ath_hw *ah)
}
REG_WRITE(ah, AR_DIAG_SW, (diag_sw | BIT(27) | BIT(19) | BIT(18)));
lna_ctrl = REG_READ(ah, AR_OBS_BUS_CTRL) & 0x3;
- bt_sleep = REG_READ(ah, AR_MCI_RX_STATUS) & AR_MCI_RX_REMOTE_SLEEP;
+ bt_sleep = MS(REG_READ(ah, AR_MCI_RX_STATUS), AR_MCI_RX_REMOTE_SLEEP);
REG_WRITE(ah, AR_BTCOEX_CTRL2, btcoex_ctrl2);
REG_WRITE(ah, AR_DIAG_SW, diag_sw);
@@ -1327,6 +1371,10 @@ u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, bool first, u32 *more)
if (first) {
gpm_ptr = MS(REG_READ(ah, AR_MCI_GPM_1), AR_MCI_GPM_WRITE_PTR);
+
+ if (gpm_ptr >= mci->gpm_len)
+ gpm_ptr = 0;
+
mci->gpm_idx = gpm_ptr;
return gpm_ptr;
}
@@ -1371,6 +1419,10 @@ u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, bool first, u32 *more)
more_gpm = MCI_GPM_NOMORE;
temp_index = mci->gpm_idx;
+
+ if (temp_index >= mci->gpm_len)
+ temp_index = 0;
+
mci->gpm_idx++;
if (mci->gpm_idx >= mci->gpm_len)
@@ -1417,3 +1469,17 @@ void ar9003_mci_send_wlan_channels(struct ath_hw *ah)
ar9003_mci_send_coex_wlan_channels(ah, true);
}
EXPORT_SYMBOL(ar9003_mci_send_wlan_channels);
+
+u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode)
+{
+ if (!ah->btcoex_hw.mci.concur_tx)
+ goto out;
+
+ if (ctlmode == CTL_2GHT20)
+ return ATH_BTCOEX_HT20_MAX_TXPOWER;
+ else if (ctlmode == CTL_2GHT40)
+ return ATH_BTCOEX_HT40_MAX_TXPOWER;
+
+out:
+ return -1;
+}