This efuse region is to store PHY calibration, and it is a separated region
from the region that stores MAC address. Then, use these data to configure
via chip_ops::power_trim that is a calibration mechanism of TX power.
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 4 +
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 184 ++++++++++++++++++
2 files changed, 188 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index be39d2200e054..51af91b30fc4d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -84,6 +84,7 @@ enum rtw89_subband {
RTW89_CH_6G_BAND_IDX7, /* Ultra-high */
RTW89_SUBBAND_NR,
+ RTW89_SUBBAND_2GHZ_5GHZ_NR = RTW89_CH_5G_BAND_4 + 1,
};
enum rtw89_gain_offset {
@@ -2196,6 +2197,7 @@ struct rtw89_sta {
struct rtw89_efuse {
bool valid;
+ bool power_k_valid;
u8 xtal_cap;
u8 addr[ETH_ALEN];
u8 rfe_type;
@@ -3425,8 +3427,10 @@ struct rtw89_phy_bb_gain_info {
struct rtw89_phy_efuse_gain {
bool offset_valid;
+ bool comp_valid;
s8 offset[RF_PATH_MAX][RTW89_GAIN_OFFSET_NR]; /* S(8, 0) */
s8 offset_base[RTW89_PHY_MAX]; /* S(8, 4) */
+ s8 comp[RF_PATH_MAX][RTW89_SUBBAND_NR]; /* S(8, 0) */
};
struct rtw89_dev {
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 8911900e06f87..e2cdac505a8af 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -123,6 +123,186 @@ static int rtw8852b_read_efuse(struct rtw89_dev *rtwdev, u8 *log_map)
return 0;
}
+static void rtw8852b_phycap_parsing_power_cal(struct rtw89_dev *rtwdev, u8 *phycap_map)
+{
+#define PWR_K_CHK_OFFSET 0x5E9
+#define PWR_K_CHK_VALUE 0xAA
+ u32 offset = PWR_K_CHK_OFFSET - rtwdev->chip->phycap_addr;
+
+ if (phycap_map[offset] == PWR_K_CHK_VALUE)
+ rtwdev->efuse.power_k_valid = true;
+}
+
+static void rtw8852b_phycap_parsing_tssi(struct rtw89_dev *rtwdev, u8 *phycap_map)
+{
+ struct rtw89_tssi_info *tssi = &rtwdev->tssi;
+ static const u32 tssi_trim_addr[RF_PATH_NUM_8852B] = {0x5D6, 0x5AB};
+ u32 addr = rtwdev->chip->phycap_addr;
+ bool pg = false;
+ u32 ofst;
+ u8 i, j;
+
+ for (i = 0; i < RF_PATH_NUM_8852B; i++) {
+ for (j = 0; j < TSSI_TRIM_CH_GROUP_NUM; j++) {
+ /* addrs are in decreasing order */
+ ofst = tssi_trim_addr[i] - addr - j;
+ tssi->tssi_trim[i][j] = phycap_map[ofst];
+
+ if (phycap_map[ofst] != 0xff)
+ pg = true;
+ }
+ }
+
+ if (!pg) {
+ memset(tssi->tssi_trim, 0, sizeof(tssi->tssi_trim));
+ rtw89_debug(rtwdev, RTW89_DBG_TSSI,
+ "[TSSI][TRIM] no PG, set all trim info to 0\n");
+ }
+
+ for (i = 0; i < RF_PATH_NUM_8852B; i++)
+ for (j = 0; j < TSSI_TRIM_CH_GROUP_NUM; j++)
+ rtw89_debug(rtwdev, RTW89_DBG_TSSI,
+ "[TSSI] path=%d idx=%d trim=0x%x addr=0x%x\n",
+ i, j, tssi->tssi_trim[i][j],
+ tssi_trim_addr[i] - j);
+}
+
+static void rtw8852b_phycap_parsing_thermal_trim(struct rtw89_dev *rtwdev,
+ u8 *phycap_map)
+{
+ struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
+ static const u32 thm_trim_addr[RF_PATH_NUM_8852B] = {0x5DF, 0x5DC};
+ u32 addr = rtwdev->chip->phycap_addr;
+ u8 i;
+
+ for (i = 0; i < RF_PATH_NUM_8852B; i++) {
+ info->thermal_trim[i] = phycap_map[thm_trim_addr[i] - addr];
+
+ rtw89_debug(rtwdev, RTW89_DBG_RFK,
+ "[THERMAL][TRIM] path=%d thermal_trim=0x%x\n",
+ i, info->thermal_trim[i]);
+
+ if (info->thermal_trim[i] != 0xff)
+ info->pg_thermal_trim = true;
+ }
+}
+
+static void rtw8852b_thermal_trim(struct rtw89_dev *rtwdev)
+{
+#define __thm_setting(raw) \
+({ \
+ u8 __v = (raw); \
+ ((__v & 0x1) << 3) | ((__v & 0x1f) >> 1); \
+})
+ struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
+ u8 i, val;
+
+ if (!info->pg_thermal_trim) {
+ rtw89_debug(rtwdev, RTW89_DBG_RFK,
+ "[THERMAL][TRIM] no PG, do nothing\n");
+
+ return;
+ }
+
+ for (i = 0; i < RF_PATH_NUM_8852B; i++) {
+ val = __thm_setting(info->thermal_trim[i]);
+ rtw89_write_rf(rtwdev, i, RR_TM2, RR_TM2_OFF, val);
+
+ rtw89_debug(rtwdev, RTW89_DBG_RFK,
+ "[THERMAL][TRIM] path=%d thermal_setting=0x%x\n",
+ i, val);
+ }
+#undef __thm_setting
+}
+
+static void rtw8852b_phycap_parsing_pa_bias_trim(struct rtw89_dev *rtwdev,
+ u8 *phycap_map)
+{
+ struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
+ static const u32 pabias_trim_addr[RF_PATH_NUM_8852B] = {0x5DE, 0x5DB};
+ u32 addr = rtwdev->chip->phycap_addr;
+ u8 i;
+
+ for (i = 0; i < RF_PATH_NUM_8852B; 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]);
+
+ if (info->pa_bias_trim[i] != 0xff)
+ info->pg_pa_bias_trim = true;
+ }
+}
+
+static void rtw8852b_pa_bias_trim(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
+ u8 pabias_2g, pabias_5g;
+ u8 i;
+
+ if (!info->pg_pa_bias_trim) {
+ rtw89_debug(rtwdev, RTW89_DBG_RFK,
+ "[PA_BIAS][TRIM] no PG, do nothing\n");
+
+ return;
+ }
+
+ for (i = 0; i < RF_PATH_NUM_8852B; i++) {
+ pabias_2g = FIELD_GET(GENMASK(3, 0), info->pa_bias_trim[i]);
+ pabias_5g = FIELD_GET(GENMASK(7, 4), info->pa_bias_trim[i]);
+
+ rtw89_debug(rtwdev, RTW89_DBG_RFK,
+ "[PA_BIAS][TRIM] path=%d 2G=0x%x 5G=0x%x\n",
+ i, pabias_2g, pabias_5g);
+
+ rtw89_write_rf(rtwdev, i, RR_BIASA, RR_BIASA_TXG, pabias_2g);
+ rtw89_write_rf(rtwdev, i, RR_BIASA, RR_BIASA_TXA, pabias_5g);
+ }
+}
+
+static void rtw8852b_phycap_parsing_gain_comp(struct rtw89_dev *rtwdev, u8 *phycap_map)
+{
+ static const u32 comp_addrs[][RTW89_SUBBAND_2GHZ_5GHZ_NR] = {
+ {0x5BB, 0x5BA, 0, 0x5B9, 0x5B8},
+ {0x590, 0x58F, 0, 0x58E, 0x58D},
+ };
+ struct rtw89_phy_efuse_gain *gain = &rtwdev->efuse_gain;
+ u32 phycap_addr = rtwdev->chip->phycap_addr;
+ bool valid = false;
+ int path, i;
+ u8 data;
+
+ for (path = 0; path < 2; path++)
+ for (i = 0; i < RTW89_SUBBAND_2GHZ_5GHZ_NR; i++) {
+ if (comp_addrs[path][i] == 0)
+ continue;
+
+ data = phycap_map[comp_addrs[path][i] - phycap_addr];
+ valid |= _decode_efuse_gain(data, NULL,
+ &gain->comp[path][i]);
+ }
+
+ gain->comp_valid = valid;
+}
+
+static int rtw8852b_read_phycap(struct rtw89_dev *rtwdev, u8 *phycap_map)
+{
+ rtw8852b_phycap_parsing_power_cal(rtwdev, phycap_map);
+ rtw8852b_phycap_parsing_tssi(rtwdev, phycap_map);
+ rtw8852b_phycap_parsing_thermal_trim(rtwdev, phycap_map);
+ rtw8852b_phycap_parsing_pa_bias_trim(rtwdev, phycap_map);
+ rtw8852b_phycap_parsing_gain_comp(rtwdev, phycap_map);
+
+ return 0;
+}
+
+static void rtw8852b_power_trim(struct rtw89_dev *rtwdev)
+{
+ rtw8852b_thermal_trim(rtwdev);
+ rtw8852b_pa_bias_trim(rtwdev);
+}
+
static u32 rtw8852b_bb_cal_txpwr_ref(struct rtw89_dev *rtwdev,
enum rtw89_phy_idx phy_idx, s16 ref)
{
@@ -369,6 +549,8 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = {
.enable_bb_rf = rtw8852b_mac_enable_bb_rf,
.disable_bb_rf = rtw8852b_mac_disable_bb_rf,
.read_efuse = rtw8852b_read_efuse,
+ .read_phycap = rtw8852b_read_phycap,
+ .power_trim = rtw8852b_power_trim,
.set_txpwr = rtw8852b_set_txpwr,
.set_txpwr_ctrl = rtw8852b_set_txpwr_ctrl,
.init_txpwr_unit = rtw8852b_init_txpwr_unit,
@@ -386,6 +568,8 @@ const struct rtw89_chip_info rtw8852b_chip_info = {
.limit_efuse_size = 1280,
.dav_phy_efuse_size = 96,
.dav_log_efuse_size = 16,
+ .phycap_addr = 0x580,
+ .phycap_size = 128,
.dma_ch_mask = BIT(RTW89_DMA_ACH4) | BIT(RTW89_DMA_ACH5) |
BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) |
BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI),
--
2.25.1