mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-13 23:29:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

wifi: rtw89: 8922a: support different SAR configs by antenna

Browse Source 
Set SAR configs to the corresponding CRs (control registers) according to
RF path. Then, declare to support SAR by antenna in chip info.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250326020643.14487-11-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang
2025-03-26 10:06:41 +08:00
committed by Ping-Ke Shih
parent c6c830b265
commit 711b6ce3e8
2 changed files with 31 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/realtek/rtw89/reg.h
View File

@@ -9368,6 +9368,9 @@
#define R_TSSI_PWR_P0 0xE610
#define R_TSSI_PWR_P1 0xE710
#define B_TSSI_CONT_EN BIT(3)
#define R_P0_TXPWRB_BE 0xE61C
#define R_P1_TXPWRB_BE 0xE71C
#define B_TXPWRB_MAX_BE GENMASK(20, 12)
#define R_TSSI_MAP_OFST_P0 0xE620
#define R_TSSI_MAP_OFST_P1 0xE720
#define B_TSSI_MAP_OFST_OFDM GENMASK(17, 9)

29
drivers/net/wireless/realtek/rtw89/rtw8922a.c
View File

@@ -12,6 +12,7 @@
#include "reg.h"
#include "rtw8922a.h"
#include "rtw8922a_rfk.h"
#include "sar.h"
#include "util.h"
#define RTW8922A_FW_FORMAT_MAX 3
@@ -2233,6 +2234,31 @@ static void rtw8922a_set_tx_shape(struct rtw89_dev *rtwdev,
rtw8922a_bb_tx_triangular(rtwdev, true, phy_idx);
}
static void rtw8922a_set_txpwr_sar_diff(struct rtw89_dev *rtwdev,
const struct rtw89_chan *chan,
enum rtw89_phy_idx phy_idx)
{
struct rtw89_sar_parm sar_parm = {
.center_freq = chan->freq,
.force_path = true,
};
s16 sar_rf;
s8 sar_mac;
if (phy_idx != RTW89_PHY_0)
return;
sar_parm.path = RF_PATH_A;
sar_mac = rtw89_query_sar(rtwdev, &sar_parm);
sar_rf = rtw89_phy_txpwr_mac_to_rf(rtwdev, sar_mac);
rtw89_phy_write32_mask(rtwdev, R_P0_TXPWRB_BE, B_TXPWRB_MAX_BE, sar_rf);
sar_parm.path = RF_PATH_B;
sar_mac = rtw89_query_sar(rtwdev, &sar_parm);
sar_rf = rtw89_phy_txpwr_mac_to_rf(rtwdev, sar_mac);
rtw89_phy_write32_mask(rtwdev, R_P1_TXPWRB_BE, B_TXPWRB_MAX_BE, sar_rf);
}
static void rtw8922a_set_txpwr(struct rtw89_dev *rtwdev,
const struct rtw89_chan *chan,
enum rtw89_phy_idx phy_idx)
@@ -2244,6 +2270,7 @@ static void rtw8922a_set_txpwr(struct rtw89_dev *rtwdev,
rtw89_phy_set_txpwr_limit_ru(rtwdev, chan, phy_idx);
rtw8922a_set_txpwr_diff(rtwdev, chan, phy_idx);
rtw8922a_set_txpwr_ref(rtwdev, phy_idx);
rtw8922a_set_txpwr_sar_diff(rtwdev, chan, phy_idx);
}
static void rtw8922a_set_txpwr_ctrl(struct rtw89_dev *rtwdev,
@@ -2823,7 +2850,7 @@ const struct rtw89_chip_info rtw8922a_chip_info = {
.support_unii4 = true,
.support_ant_gain = true,
.support_tas = false,
.support_sar_by_ant = false,
.support_sar_by_ant = true,
.ul_tb_waveform_ctrl = false,
.ul_tb_pwr_diff = false,
.rx_freq_frome_ie = false,