wifi: rtw89: 8852c: Update bandedge parameters for better performance

TSSI configures bandedge to TX proper waveform, these new bandedge
parameters improve the accuracy of transmit power compensation.
This helps to avoid throughput degradation.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230830092849.153251-2-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index c0aac4d3678a32430ea2e17cd1f515658f997a41..f9b15a1cc7907b6342721650ce37d242a091b839 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -4619,6 +4619,8 @@
 #define R_TXGAIN_SCALE 0x58F0
 #define B_TXGAIN_SCALE_EN BIT(19)
 #define B_TXGAIN_SCALE_OFT GENMASK(31, 24)
+#define R_P0_DAC_COMP_POST_DPD_EN 0x58F8
+#define B_P0_DAC_COMP_POST_DPD_EN BIT(31)
 #define R_P0_TSSI_BASE 0x5C00
 #define R_S0_DACKI 0x5E00
 #define B_S0_DACKI_AR GENMASK(31, 28)
@@ -4675,6 +4677,8 @@
 #define B_P1_TSSI_MV_MIX GENMASK(19, 11)
 #define B_P1_TSSI_MV_AVG GENMASK(13, 11)
 #define B_P1_TSSI_MV_CLR BIT(14)
+#define R_P1_DAC_COMP_POST_DPD_EN 0x78F8
+#define B_P1_DAC_COMP_POST_DPD_EN BIT(31)
 #define R_TSSI_THOF 0x7C00
 #define R_S1_DACKI 0x7E00
 #define B_S1_DACKI_AR GENMASK(31, 28)

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 1e16cc0a05dc9407624074a857fe9be4b46fdaa6..00f1236e21931e223ea60f4bd06e3abd970b529e 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -1975,6 +1975,11 @@ static void rtw8852c_set_tx_shape(struct rtw89_dev *rtwdev,
        rtw89_phy_tssi_ctrl_set_bandedge_cfg(rtwdev,
                                             (enum rtw89_mac_idx)phy_idx,
                                             tx_shape_ofdm);
+
+       rtw89_phy_write32_set(rtwdev, R_P0_DAC_COMP_POST_DPD_EN,
+                             B_P0_DAC_COMP_POST_DPD_EN);
+       rtw89_phy_write32_set(rtwdev, R_P1_DAC_COMP_POST_DPD_EN,
+                             B_P1_DAC_COMP_POST_DPD_EN);
 }
 
 static void rtw8852c_set_txpwr(struct rtw89_dev *rtwdev,

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_table.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_table.c
index 4b272fdf1fd7a412ec2b082e25751a4d250a2253..2ffd979750e350cbbf7b46cd1bb2854840a7d9ae 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c_table.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_table.c
@@ -56452,9 +56452,12 @@ const struct rtw89_txpwr_track_cfg rtw89_8852c_trk_cfg = {
 
 const struct rtw89_phy_tssi_dbw_table rtw89_8852c_tssi_dbw_table = {
        .data[RTW89_TSSI_BANDEDGE_FLAT] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
-       .data[RTW89_TSSI_BANDEDGE_LOW] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
-       .data[RTW89_TSSI_BANDEDGE_MID] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
-       .data[RTW89_TSSI_BANDEDGE_HIGH] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+       .data[RTW89_TSSI_BANDEDGE_LOW] = {0x1d, 0x1d, 0x1d, 0x2f, 0xf, 0xf, 0x2f, 0x38,
+                                         0x28, 0x18, 0x8, 0x8, 0x18, 0x28, 0x38},
+       .data[RTW89_TSSI_BANDEDGE_MID] = {0x24, 0x24, 0x24, 0x3b, 0x13, 0x13, 0x3b, 0x46,
+                                         0x32, 0x1e, 0xa, 0xa, 0x1e, 0x32, 0x46},
+       .data[RTW89_TSSI_BANDEDGE_HIGH] = {0x2a, 0x2a, 0x2a, 0x46, 0x17, 0x17, 0x46, 0x53,
+                                          0x3b, 0x24, 0xc, 0xc, 0x24, 0x3b, 0x53},
 };
 
 const struct rtw89_rfe_parms rtw89_8852c_dflt_parms = {