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wifi: rtw89: 8852c: set TBTT shift configuration

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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
This commit is contained in:
Chia-Yuan Li 2022-08-19 14:48:08 +08:00 committed by Kalle Valo
parent 48c0e34755
commit 704052f55f
2 changed files with 23 additions and 0 deletions
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21
drivers/net/wireless/realtek/rtw89/mac.c
View File

@ -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);

2
drivers/net/wireless/realtek/rtw89/reg.h
View File

@ -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