From: Guo-Feng Fan vincent_fann@realtek.com
RFE type4 is a new NIC which has one RF antenna shares with BT. RFE type4 HW is the same as RFE type2 but attaching antenna to aux antenna connector.
RFE type2 attach antenna to main antenna connector. Load the same parameter as RFE type2 when initializing NIC.
Signed-off-by: Guo-Feng Fan vincent_fann@realtek.com Signed-off-by: Ping-Ke Shih pkshih@realtek.com Signed-off-by: Kalle Valo kvalo@codeaurora.org Link: https://lore.kernel.org/r/20210922023637.9357-1-pkshih@realtek.com Signed-off-by: Meng Tang tangmeng@uniontech.com --- drivers/net/wireless/realtek/rtw88/rtw8821c.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 4514c4e8ee58..9c8fbc96f536 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -300,7 +300,8 @@ static void rtw8821c_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw) if (channel <= 14) { if (rtwdev->efuse.rfe_option == 0) rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_WLG); - else if (rtwdev->efuse.rfe_option == 2) + else if (rtwdev->efuse.rfe_option == 2 || + rtwdev->efuse.rfe_option == 4) rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_BTG); rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(6), 0x1); rtw_write_rf(rtwdev, RF_PATH_A, 0x64, 0xf, 0xf); @@ -737,6 +738,15 @@ static void rtw8821c_coex_cfg_ant_switch(struct rtw_dev *rtwdev, u8 ctrl_type, if (switch_status == coex_dm->cur_switch_status) return;
+ if (coex_rfe->wlg_at_btg) { + ctrl_type = COEX_SWITCH_CTRL_BY_BBSW; + + if (coex_rfe->ant_switch_polarity) + pos_type = COEX_SWITCH_TO_WLA; + else + pos_type = COEX_SWITCH_TO_WLG_BT; + } + coex_dm->cur_switch_status = switch_status;
if (coex_rfe->ant_switch_diversity && @@ -1457,6 +1467,7 @@ static const struct rtw_intf_phy_para_table phy_para_table_8821c = { static const struct rtw_rfe_def rtw8821c_rfe_defs[] = { [0] = RTW_DEF_RFE(8821c, 0, 0), [2] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2), + [4] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2), };
static struct rtw_hw_reg rtw8821c_dig[] = {