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wifi: rtw89: 8922a: read efuse content from physical map

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The calibration values of thermal and bias are programmed in invariable
physical map. Read them into driver and will set them to registers later.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231117024029.113845-7-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih 2023-11-17 10:40:29 +08:00 committed by Kalle Valo
parent c7ccb2402e
commit 52471877a2
2 changed files with 88 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtw89/core.h
View File

@ -4345,6 +4345,7 @@ struct rtw89_power_trim_info {
bool pg_pa_bias_trim;
u8 thermal_trim[RF_PATH_MAX];
u8 pa_bias_trim[RF_PATH_MAX];
u8 pad_bias_trim[RF_PATH_MAX];
};
struct rtw89_regd {

87
drivers/net/wireless/realtek/rtw89/rtw8922a.c
View File

@ -175,6 +175,92 @@ static int rtw8922a_read_efuse(struct rtw89_dev *rtwdev, u8 *log_map,
}
}
#define THM_TRIM_POSITIVE_MASK BIT(6)
#define THM_TRIM_MAGNITUDE_MASK GENMASK(5, 0)
static void rtw8922a_phycap_parsing_thermal_trim(struct rtw89_dev *rtwdev,
u8 *phycap_map)
{
static const u32 thm_trim_addr[RF_PATH_NUM_8922A] = {0x1706, 0x1733};
struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
u32 addr = rtwdev->chip->phycap_addr;
bool pg = true;
u8 pg_th;
s8 val;
u8 i;
for (i = 0; i < RF_PATH_NUM_8922A; i++) {
pg_th = phycap_map[thm_trim_addr[i] - addr];
if (pg_th == 0xff) {
info->thermal_trim[i] = 0;
pg = false;
break;
}
val = u8_get_bits(pg_th, THM_TRIM_MAGNITUDE_MASK);
if (!(pg_th & THM_TRIM_POSITIVE_MASK))
val *= -1;
info->thermal_trim[i] = val;
rtw89_debug(rtwdev, RTW89_DBG_RFK,
"[THERMAL][TRIM] path=%d thermal_trim=0x%x (%d)\n",
i, pg_th, val);
}
info->pg_thermal_trim = pg;
}
static void rtw8922a_phycap_parsing_pa_bias_trim(struct rtw89_dev *rtwdev,
u8 *phycap_map)
{
static const u32 pabias_trim_addr[RF_PATH_NUM_8922A] = {0x1707, 0x1734};
static const u32 check_pa_pad_trim_addr = 0x1700;
struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
u32 addr = rtwdev->chip->phycap_addr;
u8 val;
u8 i;
val = phycap_map[check_pa_pad_trim_addr - addr];
if (val != 0xff)
info->pg_pa_bias_trim = true;
for (i = 0; i < RF_PATH_NUM_8922A; i++) {
info->pa_bias_trim[i] = phycap_map[pabias_trim_addr[i] - addr];
rtw89_debug(rtwdev, RTW89_DBG_RFK,
"[PA_BIAS][TRIM] path=%d pa_bias_trim=0x%x\n",
i, info->pa_bias_trim[i]);
}
}
static void rtw8922a_phycap_parsing_pad_bias_trim(struct rtw89_dev *rtwdev,
u8 *phycap_map)
{
static const u32 pad_bias_trim_addr[RF_PATH_NUM_8922A] = {0x1708, 0x1735};
struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
u32 addr = rtwdev->chip->phycap_addr;
u8 i;
for (i = 0; i < RF_PATH_NUM_8922A; i++) {
info->pad_bias_trim[i] = phycap_map[pad_bias_trim_addr[i] - addr];
rtw89_debug(rtwdev, RTW89_DBG_RFK,
"[PAD_BIAS][TRIM] path=%d pad_bias_trim=0x%x\n",
i, info->pad_bias_trim[i]);
}
}
static int rtw8922a_read_phycap(struct rtw89_dev *rtwdev, u8 *phycap_map)
{
rtw8922a_phycap_parsing_thermal_trim(rtwdev, phycap_map);
rtw8922a_phycap_parsing_pa_bias_trim(rtwdev, phycap_map);
rtw8922a_phycap_parsing_pad_bias_trim(rtwdev, phycap_map);
return 0;
}
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support rtw_wowlan_stub_8922a = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
@ -186,6 +272,7 @@ static const struct wiphy_wowlan_support rtw_wowlan_stub_8922a = {
static const struct rtw89_chip_ops rtw8922a_chip_ops = {
.read_efuse = rtw8922a_read_efuse,
.read_phycap = rtw8922a_read_phycap,
};
const struct rtw89_chip_info rtw8922a_chip_info = {