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wifi: rtw89: coex: Add LPS protocol radio state for RTL8852B

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This LPS state will not turn off RF, and it can still do some basic
traffic, only RTL8852B has the state. Coexistence need let Bluetooth
know WiFi is still alive to prevent some Bluetooth performance issue.

Signed-off-by: Ching-Te Ku <ku920601@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/20230314020617.28193-2-pkshih@realtek.com
This commit is contained in:
Ching-Te Ku 2023-03-14 10:06:13 +08:00 committed by Kalle Valo
parent 21898a40b2
commit 70a13e5f00
2 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/realtek/rtw89/coex.c
View File

@ -5728,6 +5728,11 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta
wl->status.map.lps = BTC_LPS_RF_OFF;
wl->status.map.busy = 0;
break;
case BTC_RFCTRL_LPS_WL_ON: /* LPS-Protocol (RFon) */
wl->status.map.rf_off = 0;
wl->status.map.lps = BTC_LPS_RF_ON;
wl->status.map.busy = 0;
break;
case BTC_RFCTRL_WL_ON:
default:
wl->status.map.rf_off = 0;
@ -5745,6 +5750,9 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta
rtw89_btc_fw_en_rpt(rtwdev, RPT_EN_ALL, false);
if (rf_state == BTC_RFCTRL_WL_OFF)
_write_scbd(rtwdev, BTC_WSCB_ALL, false);
else if (rf_state == BTC_RFCTRL_LPS_WL_ON &&
wl->status.map.lps_pre != BTC_LPS_OFF)
_update_bt_scbd(rtwdev, true);
}
btc->dm.cnt_dm[BTC_DCNT_BTCNT_HANG] = 0;
@ -5755,7 +5763,7 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta
btc->dm.tdma_instant_excute = 0;
_run_coex(rtwdev, BTC_RSN_NTFY_RADIO_STATE);
btc->dm.tdma_instant_excute = 0;
wl->status.map.rf_off_pre = wl->status.map.rf_off;
wl->status.map.lps_pre = wl->status.map.lps;
}

1
drivers/net/wireless/realtek/rtw89/coex.h
View File

@ -131,6 +131,7 @@ enum btc_role_state {
enum btc_rfctrl {
BTC_RFCTRL_WL_OFF,
BTC_RFCTRL_WL_ON,
BTC_RFCTRL_LPS_WL_ON,
BTC_RFCTRL_FW_CTRL,
BTC_RFCTRL_MAX
};