diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2020-11-09 17:01:22 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-11-24 11:15:22 +0200 |
| commit | 8f0cb24ceefec6744cad2103e92de314598d7626 (patch) | |
| tree | 452a0a84d4172f3551ff76f9af6fc66894486532 /drivers/net/wireless/realtek/rtw88/rtw8723d.c | |
| parent | 1ccaa898868d1971a6480d7d55668de522f5847f (diff) | |
rtw88: 8723d: add cck pd seetings
CCK PD can reduce the number of false alarm of the CCK rates.
It dynamically adjusts the power threshold and CS ratio.
The values are compared to the values of the previous level, if
the level is changed, set new values of power threshold and CS
ratio.
Implement rtw_chip_ops::cck_pd_set() for 8723d.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201109090123.9254-1-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723d.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8723d.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 4ed38681c97d..0d5cfb6bbef1 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -192,6 +192,7 @@ static void rtw8723d_phy_set_param(struct rtw_dev *rtwdev) rtw_write32(rtwdev, REG_LTR_CTRL_BASIC + 4, WLAN_LTR_CTRL2); rtw_phy_init(rtwdev); + rtwdev->dm_info.cck_pd_default = rtw_read8(rtwdev, REG_CSRATIO) & 0x1f; rtw_write16_set(rtwdev, REG_TXDMA_OFFSET_CHK, BIT_DROP_DATA_EN); @@ -1498,6 +1499,22 @@ out: rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] finished\n"); } +static void rtw8723d_phy_cck_pd_set(struct rtw_dev *rtwdev, u8 new_lvl) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u8 pd[CCK_PD_LV_MAX] = {3, 7, 13, 13, 13}; + + if (dm_info->cck_pd_lv[RTW_CHANNEL_WIDTH_20][RF_PATH_A] == new_lvl) + return; + + dm_info->cck_fa_avg = CCK_FA_AVG_RESET; + + dm_info->cck_pd_lv[RTW_CHANNEL_WIDTH_20][RF_PATH_A] = new_lvl; + rtw_write32_mask(rtwdev, REG_PWRTH, 0x3f0000, pd[new_lvl]); + rtw_write32_mask(rtwdev, REG_PWRTH2, 0x1f0000, + dm_info->cck_pd_default + new_lvl * 2); +} + /* for coex */ static void rtw8723d_coex_cfg_init(struct rtw_dev *rtwdev) { @@ -1931,6 +1948,7 @@ static struct rtw_chip_ops rtw8723d_ops = { .efuse_grant = rtw8723d_efuse_grant, .false_alarm_statistics = rtw8723d_false_alarm_statistics, .phy_calibration = rtw8723d_phy_calibration, + .cck_pd_set = rtw8723d_phy_cck_pd_set, .pwr_track = rtw8723d_pwr_track, .config_bfee = NULL, .set_gid_table = NULL, |