diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2023-04-18 04:28:15 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-05-05 14:58:27 +0300 |
| commit | f48453e058d763e895bde7b072f25b7b519a3500 (patch) | |
| tree | eb3a8bbafeb70907b0c26935859718c732e97a15 /drivers/net/wireless/realtek/rtw89/mac80211.c | |
| parent | 9805500606c256cf61ef73a767d7e797fe5ba18e (diff) | |
| download | linux-f48453e058d763e895bde7b072f25b7b519a3500.tar.xz | |
wifi: rtw89: set capability of TX antenna diversity
TX antenna diversity is a mechanism to select a proper antenna from two
antenna for single one hardware PHY chip. It chooses antenna with better
EVM or RSSI, and use GPIO to control SPDT to switch selected antenna.
RFE type from efuse is used to define if a module can support TX antenna
diversity when (type % 3) is 2.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230418012820.5139-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac80211.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac80211.c b/drivers/net/wireless/realtek/rtw89/mac80211.c index ee4588b61b8f..f40d70f016e4 100644 --- a/drivers/net/wireless/realtek/rtw89/mac80211.c +++ b/drivers/net/wireless/realtek/rtw89/mac80211.c @@ -762,13 +762,18 @@ int rtw89_ops_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) struct rtw89_dev *rtwdev = hw->priv; struct rtw89_hal *hal = &rtwdev->hal; - if (rx_ant != hw->wiphy->available_antennas_rx && rx_ant != hal->antenna_rx) + if (hal->ant_diversity) { + if (tx_ant != rx_ant || hweight32(tx_ant) != 1) + return -EINVAL; + } else if (rx_ant != hw->wiphy->available_antennas_rx && rx_ant != hal->antenna_rx) { return -EINVAL; + } mutex_lock(&rtwdev->mutex); hal->antenna_tx = tx_ant; hal->antenna_rx = rx_ant; hal->tx_path_diversity = false; + hal->ant_diversity_fixed = true; mutex_unlock(&rtwdev->mutex); return 0; |