diff options
| author | Chia-Yuan Li <leo.li@realtek.com> | 2022-08-19 14:48:08 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-09-02 11:35:51 +0300 |
| commit | 704052f55ffeb217634075b201785b13ebaa131e (patch) | |
| tree | 8d02677944d868c43e237c8805e5cca8b01644b9 /drivers | |
| parent | 48c0e34755a1fca1513ac4128ee179a7856d3ba4 (diff) | |
wifi: rtw89: 8852c: set TBTT shift configuration
It is found that 8852ce loses some beacon after
enabling deep ps mode. We set TBTT shift to wake up
firmware early to open RF/BB for receiving beacon in time.
Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220819064811.37700-3-pkshih@realtek.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/reg.h | 2 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index 6865c1ee9b3a..bbaf31886555 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -3550,6 +3550,26 @@ static void rtw89_mac_port_cfg_bcn_early(struct rtw89_dev *rtwdev, BCN_ERLY_DEF); } +static void rtw89_mac_port_cfg_tbtt_shift(struct rtw89_dev *rtwdev, + struct rtw89_vif *rtwvif) +{ + const struct rtw89_port_reg *p = &rtw_port_base; + u16 val; + + if (rtwdev->chip->chip_id != RTL8852C) + return; + + if (rtwvif->wifi_role != RTW89_WIFI_ROLE_P2P_CLIENT && + rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION) + return; + + val = FIELD_PREP(B_AX_TBTT_SHIFT_OFST_MAG, 1) | + B_AX_TBTT_SHIFT_OFST_SIGN; + + rtw89_write16_port_mask(rtwdev, rtwvif, p->tbtt_shift, + B_AX_TBTT_SHIFT_OFST_MASK, val); +} + int rtw89_mac_vif_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) { int ret; @@ -3624,6 +3644,7 @@ int rtw89_mac_port_update(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) rtw89_mac_port_cfg_bcn_hold_time(rtwdev, rtwvif); rtw89_mac_port_cfg_bcn_mask_area(rtwdev, rtwvif); rtw89_mac_port_cfg_tbtt_early(rtwdev, rtwvif); + rtw89_mac_port_cfg_tbtt_shift(rtwdev, rtwvif); rtw89_mac_port_cfg_bss_color(rtwdev, rtwvif); rtw89_mac_port_cfg_mbssid(rtwdev, rtwvif); rtw89_mac_port_cfg_func_en(rtwdev, rtwvif); diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 1f04e6cadd03..ef1f31693bee 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -2094,6 +2094,8 @@ #define R_AX_TBTT_SHIFT_P3 0xC4E8 #define R_AX_TBTT_SHIFT_P4 0xC528 #define B_AX_TBTT_SHIFT_OFST_MASK GENMASK(11, 0) +#define B_AX_TBTT_SHIFT_OFST_SIGN BIT(11) +#define B_AX_TBTT_SHIFT_OFST_MAG GENMASK(10, 0) #define R_AX_BCN_CNT_TMR_P0 0xC434 #define R_AX_BCN_CNT_TMR_P1 0xC474 |