summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath9k/ar9003_mci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mci.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 9a34fcaae3ff..44c202ce6c66 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -714,6 +714,7 @@ bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
return true;
}
+EXPORT_SYMBOL(ar9003_mci_start_reset);
int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata)
@@ -812,8 +813,8 @@ 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;
@@ -823,14 +824,13 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
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 */
@@ -912,6 +912,8 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
if (en_int)
ar9003_mci_enable_interrupt(ah);
+
+ return 0;
}
void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
@@ -1026,6 +1028,7 @@ 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);
+ REG_WRITE(ah, AR_SELFGEN_MASK, 0x02);
} else {
ar9003_mci_send_lna_take(ah, true);
udelay(5);
@@ -1142,8 +1145,8 @@ 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 +1155,7 @@ 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);
@@ -1201,12 +1204,6 @@ 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;
@@ -1240,6 +1237,10 @@ 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 +1290,7 @@ 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 +1328,10 @@ 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 +1376,10 @@ 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)