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wifi: rtw89: 8852c: add compensation of thermal value from efuse calibration

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The 3th bit of thermal value programmed in efuse means 8 (2 ^ 3) grams.
Check the bit and signed bit, and add compensation to final thermal.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20251111022452.28093-5-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih
2025-11-11 10:24:48 +08:00
parent 7bf433c676
commit b37fb77d45
1 changed files with 22 additions and 5 deletions
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27
drivers/net/wireless/realtek/rtw89/rtw8852c.c
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@@ -670,12 +670,16 @@ static void rtw8852c_phycap_parsing_thermal_trim(struct rtw89_dev *rtwdev,
}
}
#define __THM_MASK_SIGN BIT(0)
#define __THM_MASK_3BITS GENMASK(3, 1)
#define __THM_MASK_VAL8 BIT(4)
static void rtw8852c_thermal_trim(struct rtw89_dev *rtwdev)
{
#define __thm_setting(raw) \
({ \
u8 __v = (raw); \
((__v & 0x1) << 3) | ((__v & 0x1f) >> 1); \
#define __thm_setting(raw) \
({ \
u8 __v = (raw); \
((__v & __THM_MASK_SIGN) << 3) | ((__v & __THM_MASK_3BITS) >> 1); \
})
struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
u8 i, val;
@@ -2516,13 +2520,26 @@ static void rtw8852c_bb_cfg_txrx_path(struct rtw89_dev *rtwdev)
static u8 rtw8852c_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path)
{
struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
s8 comp = 0;
u8 val;
rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1);
rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x0);
rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1);
fsleep(200);
return rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL);
val = rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL);
if (info->pg_thermal_trim) {
u8 trim = info->thermal_trim[rf_path];
if (trim & __THM_MASK_VAL8)
comp = 8 * (trim & __THM_MASK_SIGN ? -1 : 1);
}
return val + comp;
}
static void rtw8852c_btc_set_rfe(struct rtw89_dev *rtwdev)