@@ -1892,6 +1892,7 @@ struct rtw_hal {
u8 oem_id;
u8 pkg_type;
struct rtw_phy_cond phy_cond;
+ bool rfe_btg;
u8 ps_mode;
u8 current_channel;
@@ -67,6 +67,17 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
hal->pkg_type = map->rfe_option & BIT(5) ? 1 : 0;
+ switch (efuse->rfe_option) {
+ case 0x2:
+ case 0x4:
+ case 0x7:
+ case 0xa:
+ case 0xc:
+ case 0xf:
+ hal->rfe_btg = true;
+ break;
+ }
+
for (i = 0; i < 4; i++)
efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i];
@@ -289,6 +300,7 @@ static void rtw8821c_switch_rf_set(struct rtw_dev *rtwdev, u8 rf_set)
static void rtw8821c_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw)
{
+ struct rtw_hal *hal = &rtwdev->hal;
u32 rf_reg18;
rf_reg18 = rtw_read_rf(rtwdev, RF_PATH_A, 0x18, RFREG_MASK);
@@ -320,11 +332,10 @@ 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 ||
- rtwdev->efuse.rfe_option == 4)
+ if (hal->rfe_btg)
rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_BTG);
+ else
+ rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_WLG);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(6), 0x1);
rtw_write_rf(rtwdev, RF_PATH_A, 0x64, 0xf, 0xf);
} else {
We have to call rtw8821c_switch_rf_set() with SWITCH_TO_WLG or SWITCH_TO_BTG according to the chip variant as denoted in rfe_option. The information which argument to use for which variant has been taken from the vendor driver. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/net/wireless/realtek/rtw88/main.h | 1 + drivers/net/wireless/realtek/rtw88/rtw8821c.c | 19 +++++++++++++++---- 2 files changed, 16 insertions(+), 4 deletions(-)