diff options
| author | Yan-Hsuan Chuang <yhchuang@realtek.com> | 2020-04-10 13:09:50 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-04-15 11:40:14 +0300 |
| commit | 297bcf8222f222fd7defead862de4b8e3ea0b08a (patch) | |
| tree | 5a45fc54ce53aec45df78178fa211fdbc427580d /drivers/net/wireless/realtek/rtw88/rtw8822c.c | |
| parent | b9ed7e9505ba6346a101384d21ddd1139ae69eef (diff) | |
| download | linux-297bcf8222f222fd7defead862de4b8e3ea0b08a.tar.xz | |
rtw88: add support for set/get antennas
User space program such as iw can set antenna mask for the device.
So add set antenna support by configure the trx mode.
This is useful for some tests want to see the output of different
antenna configuration (e.g. path A v.s. path B).
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200410100950.3199-3-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8822c.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8822c.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index dc07e6be38e8..c99b1de54bfc 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1890,6 +1890,40 @@ static void rtw8822c_set_tx_power_index(struct rtw_dev *rtwdev) } } +static int rtw8822c_set_antenna(struct rtw_dev *rtwdev, + u32 antenna_tx, + u32 antenna_rx) +{ + struct rtw_hal *hal = &rtwdev->hal; + + switch (antenna_tx) { + case BB_PATH_A: + case BB_PATH_B: + case BB_PATH_AB: + break; + default: + rtw_info(rtwdev, "unsupport tx path 0x%x\n", antenna_tx); + return -EINVAL; + } + + /* path B only is not available for RX */ + switch (antenna_rx) { + case BB_PATH_A: + case BB_PATH_AB: + break; + default: + rtw_info(rtwdev, "unsupport rx path 0x%x\n", antenna_rx); + return -EINVAL; + } + + hal->antenna_tx = antenna_tx; + hal->antenna_rx = antenna_rx; + + rtw8822c_config_trx_mode(rtwdev, antenna_tx, antenna_rx, false); + + return 0; +} + static void rtw8822c_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) { u8 ldo_pwr; @@ -3794,6 +3828,7 @@ static struct rtw_chip_ops rtw8822c_ops = { .read_rf = rtw_phy_read_rf, .write_rf = rtw_phy_write_rf_reg_mix, .set_tx_power_index = rtw8822c_set_tx_power_index, + .set_antenna = rtw8822c_set_antenna, .cfg_ldo25 = rtw8822c_cfg_ldo25, .false_alarm_statistics = rtw8822c_false_alarm_statistics, .dpk_track = rtw8822c_dpk_track, |