@@ -116,6 +116,27 @@ static int rtw_dump_physical_efuse_map(struct rtw_dev *rtwdev, u8 *map)
return 0;
}
+int rtw_read8_physical_efuse(struct rtw_dev *rtwdev, u16 addr, u8 *data)
+{
+ u32 efuse_ctl, cnt;
+
+ rtw_write32_mask(rtwdev, REG_EFUSE_CTRL, 0x3ff00, addr);
+ rtw_write32_clr(rtwdev, REG_EFUSE_CTRL, BIT_EF_FLAG);
+ cnt = 1000;
+ do {
+ mdelay(1);
+ efuse_ctl = rtw_read32(rtwdev, REG_EFUSE_CTRL);
+ if (--cnt == 0) {
+ *data = EFUSE_READ_FAIL;
+ return -EBUSY;
+ }
+ } while (!(efuse_ctl & BIT_EF_FLAG));
+
+ *data = rtw_read8(rtwdev, REG_EFUSE_CTRL);
+
+ return 0;
+}
+
int rtw_parse_efuse_map(struct rtw_dev *rtwdev)
{
struct rtw_chip_info *chip = rtwdev->chip;
@@ -10,6 +10,8 @@
#define EFUSE_HW_CAP_SUPP_BW80 7
#define EFUSE_HW_CAP_SUPP_BW40 6
+#define EFUSE_READ_FAIL 0xff
+
#define GET_EFUSE_HW_CAP_HCI(hw_cap) \
le32_get_bits(*((__le32 *)(hw_cap) + 0x01), GENMASK(3, 0))
#define GET_EFUSE_HW_CAP_BW(hw_cap) \
@@ -22,5 +24,6 @@
le32_get_bits(*((__le32 *)(hw_cap) + 0x01), GENMASK(27, 26))
int rtw_parse_efuse_map(struct rtw_dev *rtwdev);
+int rtw_read8_physical_efuse(struct rtw_dev *rtwdev, u16 addr, u8 *data);
#endif
@@ -15,6 +15,7 @@
#include "debug.h"
#include "util.h"
#include "bf.h"
+#include "efuse.h"
static void rtw8822c_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path,
u8 rx_path, bool is_tx2_path);
@@ -1000,10 +1001,120 @@ static void rtw8822c_rf_x2_check(struct rtw_dev *rtwdev)
}
}
+static void rtw8822c_set_power_trim(struct rtw_dev *rtwdev, s8 bb_gain[2][8])
+{
+#define RF_SET_POWER_TRIM(_path, _seq, _idx) \
+ do { \
+ rtw_write_rf(rtwdev, _path, 0x33, RFREG_MASK, _seq); \
+ rtw_write_rf(rtwdev, _path, 0x3f, RFREG_MASK, \
+ bb_gain[_path][_idx]); \
+ } while (0)
+ u8 path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_write_rf(rtwdev, path, 0xee, BIT(19), 1);
+ RF_SET_POWER_TRIM(path, 0x0, 0);
+ RF_SET_POWER_TRIM(path, 0x1, 1);
+ RF_SET_POWER_TRIM(path, 0x2, 2);
+ RF_SET_POWER_TRIM(path, 0x3, 2);
+ RF_SET_POWER_TRIM(path, 0x4, 3);
+ RF_SET_POWER_TRIM(path, 0x5, 4);
+ RF_SET_POWER_TRIM(path, 0x6, 5);
+ RF_SET_POWER_TRIM(path, 0x7, 6);
+ RF_SET_POWER_TRIM(path, 0x8, 7);
+ RF_SET_POWER_TRIM(path, 0x9, 3);
+ RF_SET_POWER_TRIM(path, 0xa, 4);
+ RF_SET_POWER_TRIM(path, 0xb, 5);
+ RF_SET_POWER_TRIM(path, 0xc, 6);
+ RF_SET_POWER_TRIM(path, 0xd, 7);
+ RF_SET_POWER_TRIM(path, 0xe, 7);
+ rtw_write_rf(rtwdev, path, 0xee, BIT(19), 0);
+ }
+#undef RF_SET_POWER_TRIM
+}
+
+static void rtw8822c_power_trim(struct rtw_dev *rtwdev)
+{
+ u8 pg_pwr = 0xff, i, path, idx;
+ s8 bb_gain[2][8] = {0};
+ u16 rf_efuse_2g[3] = {PPG_2GL_TXAB, PPG_2GM_TXAB, PPG_2GH_TXAB};
+ u16 rf_efuse_5g[2][5] = {{PPG_5GL1_TXA, PPG_5GL2_TXA, PPG_5GM1_TXA,
+ PPG_5GM2_TXA, PPG_5GH1_TXA},
+ {PPG_5GL1_TXB, PPG_5GL2_TXB, PPG_5GM1_TXB,
+ PPG_5GM2_TXB, PPG_5GH1_TXB} };
+ bool set = false;
+
+ for (i = 0; i < ARRAY_SIZE(rf_efuse_2g); i++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_2g[i], &pg_pwr);
+ if (pg_pwr == EFUSE_READ_FAIL)
+ continue;
+ set = true;
+ bb_gain[RF_PATH_A][i] = FIELD_GET(PPG_2G_A_MASK, pg_pwr);
+ bb_gain[RF_PATH_B][i] = FIELD_GET(PPG_2G_B_MASK, pg_pwr);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rf_efuse_5g[0]); i++) {
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_5g[path][i],
+ &pg_pwr);
+ if (pg_pwr == EFUSE_READ_FAIL)
+ continue;
+ set = true;
+ idx = i + ARRAY_SIZE(rf_efuse_2g);
+ bb_gain[path][idx] = FIELD_GET(PPG_5G_MASK, pg_pwr);
+ }
+ }
+ if (set)
+ rtw8822c_set_power_trim(rtwdev, bb_gain);
+}
+
+static void rtw8822c_thermal_trim(struct rtw_dev *rtwdev)
+{
+ u16 rf_efuse[2] = {PPG_THERMAL_A, PPG_THERMAL_B};
+ u8 pg_therm = 0xff, thermal[2] = {0}, path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse[path], &pg_therm);
+ if (pg_therm == EFUSE_READ_FAIL)
+ return;
+ /* Efuse value of BIT(0) shall be move to BIT(3), and the value
+ * of BIT(1) to BIT(3) should be right shifted 1 bit.
+ */
+ thermal[path] = FIELD_GET(GENMASK(3, 1), pg_therm);
+ thermal[path] |= FIELD_PREP(BIT(3), pg_therm & BIT(0));
+ rtw_write_rf(rtwdev, path, 0x43, RF_THEMAL_MASK, thermal[path]);
+ }
+}
+
+static void rtw8822c_pa_bias(struct rtw_dev *rtwdev)
+{
+ u16 rf_efuse_2g[2] = {PPG_PABIAS_2GA, PPG_PABIAS_2GB};
+ u16 rf_efuse_5g[2] = {PPG_PABIAS_5GA, PPG_PABIAS_5GB};
+ u8 pg_pa_bias = 0xff, path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_2g[path],
+ &pg_pa_bias);
+ if (pg_pa_bias == EFUSE_READ_FAIL)
+ return;
+ pg_pa_bias = FIELD_GET(PPG_PABIAS_MASK, pg_pa_bias);
+ rtw_write_rf(rtwdev, path, 0x60, RF_PABIAS_2G_MASK, pg_pa_bias);
+ }
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_5g[path],
+ &pg_pa_bias);
+ pg_pa_bias = FIELD_GET(PPG_PABIAS_MASK, pg_pa_bias);
+ rtw_write_rf(rtwdev, path, 0x60, RF_PABIAS_5G_MASK, pg_pa_bias);
+ }
+}
+
static void rtw8822c_rf_init(struct rtw_dev *rtwdev)
{
rtw8822c_rf_dac_cal(rtwdev);
rtw8822c_rf_x2_check(rtwdev);
+ rtw8822c_thermal_trim(rtwdev);
+ rtw8822c_power_trim(rtwdev);
+ rtw8822c_pa_bias(rtwdev);
}
static void rtw8822c_pwrtrack_init(struct rtw_dev *rtwdev)
@@ -309,4 +309,32 @@ const struct rtw_table name ## _tbl = { \
#define BIT_GS_PWSF GENMASK(27, 0)
#define BIT_RPT_DGAIN GENMASK(27, 16)
#define BIT_TX_CFIR GENMASK(31, 30)
+
+#define PPG_THERMAL_A 0x1ef
+#define PPG_THERMAL_B 0x1b0
+#define RF_THEMAL_MASK GENMASK(19, 16)
+#define PPG_2GL_TXAB 0x1d4
+#define PPG_2GM_TXAB 0x1ee
+#define PPG_2GH_TXAB 0x1d2
+#define PPG_2G_A_MASK GENMASK(3, 0)
+#define PPG_2G_B_MASK GENMASK(7, 4)
+#define PPG_5GL1_TXA 0x1ec
+#define PPG_5GL2_TXA 0x1e8
+#define PPG_5GM1_TXA 0x1e4
+#define PPG_5GM2_TXA 0x1e0
+#define PPG_5GH1_TXA 0x1dc
+#define PPG_5GL1_TXB 0x1eb
+#define PPG_5GL2_TXB 0x1e7
+#define PPG_5GM1_TXB 0x1e3
+#define PPG_5GM2_TXB 0x1df
+#define PPG_5GH1_TXB 0x1db
+#define PPG_5G_MASK GENMASK(4, 0)
+#define PPG_PABIAS_2GA 0x1d6
+#define PPG_PABIAS_2GB 0x1d5
+#define PPG_PABIAS_5GA 0x1d8
+#define PPG_PABIAS_5GB 0x1d7
+#define PPG_PABIAS_MASK GENMASK(3, 0)
+#define RF_PABIAS_2G_MASK GENMASK(15, 12)
+#define RF_PABIAS_5G_MASK GENMASK(19, 16)
+
#endif