From: Ching-Te Ku <ku920601@xxxxxxxxxxx>
If BT PTA counter can not update regularly, it will lead coex mechanism
run into some unexpected state.
Signed-off-by: Ching-Te Ku <ku920601@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/coex.c | 46 +++++++++++++++++------
drivers/net/wireless/realtek/rtw88/coex.h | 1 +
drivers/net/wireless/realtek/rtw88/main.c | 2 +
3 files changed, 37 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c
index 70adaee017626..0aca8f089ebb4 100644
--- a/drivers/net/wireless/realtek/rtw88/coex.c
+++ b/drivers/net/wireless/realtek/rtw88/coex.c
@@ -460,6 +460,29 @@ static void rtw_coex_gnt_workaround(struct rtw_dev *rtwdev, bool force, u8 mode)
rtw_coex_set_gnt_fix(rtwdev);
}
+static void rtw_coex_monitor_bt_ctr(struct rtw_dev *rtwdev)
+{
+ struct rtw_coex *coex = &rtwdev->coex;
+ struct rtw_coex_stat *coex_stat = &coex->stat;
+ u32 tmp;
+
+ tmp = rtw_read32(rtwdev, REG_BT_ACT_STATISTICS);
+ coex_stat->hi_pri_tx = FIELD_GET(MASKLWORD, tmp);
+ coex_stat->hi_pri_rx = FIELD_GET(MASKHWORD, tmp);
+
+ tmp = rtw_read32(rtwdev, REG_BT_ACT_STATISTICS_1);
+ coex_stat->lo_pri_tx = FIELD_GET(MASKLWORD, tmp);
+ coex_stat->lo_pri_rx = FIELD_GET(MASKHWORD, tmp);
+
+ rtw_write8(rtwdev, REG_BT_COEX_ENH_INTR_CTRL,
+ BIT_R_GRANTALL_WLMASK | BIT_STATIS_BT_EN);
+
+ rtw_dbg(rtwdev, RTW_DBG_COEX,
+ "[BTCoex], Hi-Pri Rx/Tx: %d/%d, Lo-Pri Rx/Tx: %d/%d\n",
+ coex_stat->hi_pri_rx, coex_stat->hi_pri_tx,
+ coex_stat->lo_pri_rx, coex_stat->lo_pri_tx);
+}
+
static void rtw_coex_monitor_bt_enable(struct rtw_dev *rtwdev)
{
struct rtw_chip_info *chip = rtwdev->chip;
@@ -3170,6 +3193,17 @@ void rtw_coex_wl_status_change_notify(struct rtw_dev *rtwdev, u32 type)
rtw_coex_run_coex(rtwdev, COEX_RSN_WLSTATUS);
}
+void rtw_coex_wl_status_check(struct rtw_dev *rtwdev)
+{
+ struct rtw_coex_stat *coex_stat = &rtwdev->coex.stat;
+
+ if ((coex_stat->wl_under_lps && !coex_stat->wl_force_lps_ctrl) ||
+ coex_stat->wl_under_ips)
+ return;
+
+ rtw_coex_monitor_bt_ctr(rtwdev);
+}
+
void rtw_coex_bt_relink_work(struct work_struct *work)
{
struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
@@ -3653,7 +3687,6 @@ void rtw_coex_display_coex_info(struct rtw_dev *rtwdev, struct seq_file *m)
u16 score_board_WB, score_board_BW;
u32 wl_reg_6c0, wl_reg_6c4, wl_reg_6c8, wl_reg_778, wl_reg_6cc;
u32 lte_coex, bt_coex;
- u32 bt_hi_pri, bt_lo_pri;
int i;
score_board_BW = rtw_coex_read_scbd(rtwdev);
@@ -3664,17 +3697,6 @@ void rtw_coex_display_coex_info(struct rtw_dev *rtwdev, struct seq_file *m)
wl_reg_6cc = rtw_read32(rtwdev, REG_BT_COEX_TABLE_H);
wl_reg_778 = rtw_read8(rtwdev, REG_BT_STAT_CTRL);
- bt_hi_pri = rtw_read32(rtwdev, REG_BT_ACT_STATISTICS);
- bt_lo_pri = rtw_read32(rtwdev, REG_BT_ACT_STATISTICS_1);
- rtw_write8(rtwdev, REG_BT_COEX_ENH_INTR_CTRL,
- BIT_R_GRANTALL_WLMASK | BIT_STATIS_BT_EN);
-
- coex_stat->hi_pri_tx = FIELD_GET(MASKLWORD, bt_hi_pri);
- coex_stat->hi_pri_rx = FIELD_GET(MASKHWORD, bt_hi_pri);
-
- coex_stat->lo_pri_tx = FIELD_GET(MASKLWORD, bt_lo_pri);
- coex_stat->lo_pri_rx = FIELD_GET(MASKHWORD, bt_lo_pri);
-
sys_lte = rtw_read8(rtwdev, 0x73);
lte_coex = rtw_coex_read_indirect_reg(rtwdev, 0x38);
bt_coex = rtw_coex_read_indirect_reg(rtwdev, 0x54);
diff --git a/drivers/net/wireless/realtek/rtw88/coex.h b/drivers/net/wireless/realtek/rtw88/coex.h
index fc61a0cab3e43..60a701c8ac13f 100644
--- a/drivers/net/wireless/realtek/rtw88/coex.h
+++ b/drivers/net/wireless/realtek/rtw88/coex.h
@@ -404,6 +404,7 @@ void rtw_coex_bt_info_notify(struct rtw_dev *rtwdev, u8 *buf, u8 length);
void rtw_coex_wl_fwdbginfo_notify(struct rtw_dev *rtwdev, u8 *buf, u8 length);
void rtw_coex_switchband_notify(struct rtw_dev *rtwdev, u8 type);
void rtw_coex_wl_status_change_notify(struct rtw_dev *rtwdev, u32 type);
+void rtw_coex_wl_status_check(struct rtw_dev *rtwdev);
void rtw_coex_display_coex_info(struct rtw_dev *rtwdev, struct seq_file *m);
static inline bool rtw_coex_disabled(struct rtw_dev *rtwdev)
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 41b6db4226380..da4657ac7c30b 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -207,6 +207,8 @@ static void rtw_watch_dog_work(struct work_struct *work)
else
clear_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags);
+ rtw_coex_wl_status_check(rtwdev);
+
if (busy_traffic != test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags))
rtw_coex_wl_status_change_notify(rtwdev, 0);
--
2.25.1
