diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8821c.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8821c.h | 3 |
3 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 82b6accf4744..605a70e311fc 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -1483,6 +1483,7 @@ struct rtw_dm_info { /* [bandwidth 0:20M/1:40M][number of path] */ u8 cck_pd_lv[2][RTW_RF_PATH_MAX]; u32 cck_fa_avg; + u8 cck_pd_default; /* save the last rx phy status for debug */ s8 rx_snr[RTW_RF_PATH_MAX]; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 4bd4164d23ef..904eb494ccad 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -102,6 +102,7 @@ static void rtw8821c_phy_set_param(struct rtw_dev *rtwdev) rtwdev->chip->ch_param[2] = rtw_read32_mask(rtwdev, REG_TXFILTER, MASKDWORD); rtw_phy_init(rtwdev); + rtwdev->dm_info.cck_pd_default = rtw_read8(rtwdev, REG_CSRATIO) & 0x1f; } static int rtw8821c_mac_init(struct rtw_dev *rtwdev) @@ -596,6 +597,29 @@ static void rtw8821c_phy_calibration(struct rtw_dev *rtwdev) rtw8821c_do_iqk(rtwdev); } +static void rtw8821c_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->min_rssi > 60) { + new_lvl = 4; + pd[4] = 0x1d; + goto set_cck_pd; + } + + 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; + +set_cck_pd: + 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); +} + static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = { {0x0086, RTW_PWR_CUT_ALL_MSK, @@ -1035,6 +1059,7 @@ static struct rtw_chip_ops rtw8821c_ops = { .cfg_ldo25 = rtw8821c_cfg_ldo25, .false_alarm_statistics = rtw8821c_false_alarm_statistics, .phy_calibration = rtw8821c_phy_calibration, + .cck_pd_set = rtw8821c_phy_cck_pd_set, }; struct rtw_chip_info rtw8821c_hw_spec = { diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h index 3b7d12bf7728..bc66b91cd961 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h @@ -186,11 +186,14 @@ _rtw_write32s_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data) #define REG_FAS 0x9a4 #define REG_RXSB 0xa00 #define REG_ADCINI 0xa04 +#define REG_PWRTH 0xa08 #define REG_TXSF2 0xa24 #define REG_TXSF6 0xa28 #define REG_FA_CCK 0xa5c #define REG_RXDESC 0xa2c #define REG_ENTXCCK 0xa80 +#define REG_PWRTH2 0xaa8 +#define REG_CSRATIO 0xaaa #define REG_TXFILTER 0xaac #define REG_CNTRST 0xb58 #define REG_AGCTR_A 0xc08 |