5 files changed, 85 insertions, 4 deletions

diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 6dfe4895c352..c851830132d0 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -472,6 +472,7 @@ static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
 static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
 {
 	struct rtw_hal *hal = &rtwdev->hal;
+	struct rtw_chip_info *chip = rtwdev->chip;
 
 	if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
 	    hw_ant_num >= hal->rf_path_num)
@@ -481,6 +482,8 @@ static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
 	case 1:
 		hal->rf_type = RF_1T1R;
 		hal->rf_path_num = 1;
+		if (!chip->fix_rf_phy_num)
+			hal->rf_phy_num = hal->rf_path_num;
 		hal->antenna_tx = BB_PATH_A;
 		hal->antenna_rx = BB_PATH_A;
 		break;
@@ -1130,6 +1133,8 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
 		hal->antenna_tx = BB_PATH_A;
 		hal->antenna_rx = BB_PATH_A;
 	}
+	hal->rf_phy_num = chip->fix_rf_phy_num ? chip->fix_rf_phy_num :
+			  hal->rf_path_num;
 
 	efuse->physical_size = chip->phy_efuse_size;
 	efuse->logical_size = chip->log_efuse_size;
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index e852ab194315..8f15fc113af0 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -529,6 +529,13 @@ struct rtw_reg_domain {
 	u8 domain;
 };
 
+struct rtw_rf_sipi_addr {
+	u32 hssi_1;
+	u32 hssi_2;
+	u32 lssi_read;
+	u32 lssi_read_pi;
+};
+
 struct rtw_backup_info {
 	u8 len;
 	u32 reg;
@@ -1087,6 +1094,8 @@ struct rtw_chip_info {
 	const struct rtw_hw_reg *dig;
 	u32 rf_base_addr[2];
 	u32 rf_sipi_addr[2];
+	const struct rtw_rf_sipi_addr *rf_sipi_read_addr;
+	u8 fix_rf_phy_num;
 
 	const struct rtw_table *mac_tbl;
 	const struct rtw_table *agc_tbl;
@@ -1571,6 +1580,7 @@ struct rtw_hal {
 	u8 sec_ch_offset;
 	u8 rf_type;
 	u8 rf_path_num;
+	u8 rf_phy_num;
 	u32 antenna_tx;
 	u32 antenna_rx;
 	u8 bfee_sts_cap;
diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c
index 8793dd22188f..8489abfdc12e 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.c
+++ b/drivers/net/wireless/realtek/rtw88/phy.c
@@ -679,7 +679,7 @@ u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 	const u32 *base_addr = chip->rf_base_addr;
 	u32 val, direct_addr;
 
-	if (rf_path >= hal->rf_path_num) {
+	if (rf_path >= hal->rf_phy_num) {
 		rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
 		return INV_RF_DATA;
 	}
@@ -693,6 +693,54 @@ u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 	return val;
 }
 
+u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
+			 u32 addr, u32 mask)
+{
+	struct rtw_hal *hal = &rtwdev->hal;
+	struct rtw_chip_info *chip = rtwdev->chip;
+	const struct rtw_rf_sipi_addr *rf_sipi_addr;
+	const struct rtw_rf_sipi_addr *rf_sipi_addr_a;
+	u32 val32;
+	u32 en_pi;
+	u32 r_addr;
+	u32 shift;
+
+	if (rf_path >= hal->rf_phy_num) {
+		rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
+		return INV_RF_DATA;
+	}
+
+	if (!chip->rf_sipi_read_addr) {
+		rtw_err(rtwdev, "rf_sipi_read_addr isn't defined\n");
+		return INV_RF_DATA;
+	}
+
+	rf_sipi_addr = &chip->rf_sipi_read_addr[rf_path];
+	rf_sipi_addr_a = &chip->rf_sipi_read_addr[RF_PATH_A];
+
+	addr &= 0xff;
+
+	val32 = rtw_read32(rtwdev, rf_sipi_addr->hssi_2);
+	val32 = (val32 & ~LSSI_READ_ADDR_MASK) | (addr << 23);
+	rtw_write32(rtwdev, rf_sipi_addr->hssi_2, val32);
+
+	/* toggle read edge of path A */
+	val32 = rtw_read32(rtwdev, rf_sipi_addr_a->hssi_2);
+	rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 & ~LSSI_READ_EDGE_MASK);
+	rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 | LSSI_READ_EDGE_MASK);
+
+	udelay(120);
+
+	en_pi = rtw_read32_mask(rtwdev, rf_sipi_addr->hssi_1, BIT(8));
+	r_addr = en_pi ? rf_sipi_addr->lssi_read_pi : rf_sipi_addr->lssi_read;
+
+	val32 = rtw_read32_mask(rtwdev, r_addr, LSSI_READ_DATA_MASK);
+
+	shift = __ffs(mask);
+
+	return (val32 & mask) >> shift;
+}
+
 bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 			       u32 addr, u32 mask, u32 data)
 {
@@ -703,7 +751,7 @@ bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 	u32 old_data = 0;
 	u32 shift;
 
-	if (rf_path >= hal->rf_path_num) {
+	if (rf_path >= hal->rf_phy_num) {
 		rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
 		return false;
 	}
@@ -712,7 +760,7 @@ bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 	mask &= RFREG_MASK;
 
 	if (mask != RFREG_MASK) {
-		old_data = rtw_phy_read_rf(rtwdev, rf_path, addr, RFREG_MASK);
+		old_data = chip->ops->read_rf(rtwdev, rf_path, addr, RFREG_MASK);
 
 		if (old_data == INV_RF_DATA) {
 			rtw_err(rtwdev, "Write fail, rf is disabled\n");
@@ -740,7 +788,7 @@ bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 	const u32 *base_addr = chip->rf_base_addr;
 	u32 direct_addr;
 
-	if (rf_path >= hal->rf_path_num) {
+	if (rf_path >= hal->rf_phy_num) {
 		rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
 		return false;
 	}
diff --git a/drivers/net/wireless/realtek/rtw88/phy.h b/drivers/net/wireless/realtek/rtw88/phy.h
index af916d8784cd..413bf7165cc0 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.h
+++ b/drivers/net/wireless/realtek/rtw88/phy.h
@@ -21,6 +21,8 @@ void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev);
 u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num);
 u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 		    u32 addr, u32 mask);
+u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
+			 u32 addr, u32 mask);
 bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
 			       u32 addr, u32 mask, u32 data);
 bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
@@ -178,4 +180,8 @@ enum rtw_phy_cck_pd_lv {
 
 #define CCK_FA_AVG_RESET 0xffffffff
 
+#define LSSI_READ_ADDR_MASK	0x7f800000
+#define LSSI_READ_EDGE_MASK	0x80000000
+#define LSSI_READ_DATA_MASK	0xfffff
+
 #endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
index 5b97730f1407..679c6c19516c 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
@@ -15,6 +15,8 @@
 #include "debug.h"
 
 static struct rtw_chip_ops rtw8723d_ops = {
+	.read_rf		= rtw_phy_read_rf_sipi,
+	.write_rf		= rtw_phy_write_rf_reg_sipi,
 	.set_antenna		= NULL,
 	.config_bfee		= NULL,
 	.set_gid_table		= NULL,
@@ -422,6 +424,13 @@ static const struct rtw_pwr_seq_cmd *card_disable_flow_8723d[] = {
 	NULL
 };
 
+static const struct rtw_rf_sipi_addr rtw8723d_rf_sipi_addr[] = {
+	[RF_PATH_A] = { .hssi_1 = 0x820, .lssi_read    = 0x8a0,
+			.hssi_2 = 0x824, .lssi_read_pi = 0x8b8},
+	[RF_PATH_B] = { .hssi_1 = 0x828, .lssi_read    = 0x8a4,
+			.hssi_2 = 0x82c, .lssi_read_pi = 0x8bc},
+};
+
 struct rtw_chip_info rtw8723d_hw_spec = {
 	.ops = &rtw8723d_ops,
 	.id = RTW_CHIP_TYPE_8723D,
@@ -444,6 +453,9 @@ struct rtw_chip_info rtw8723d_hw_spec = {
 	.sys_func_en = 0xFD,
 	.pwr_on_seq = card_enable_flow_8723d,
 	.pwr_off_seq = card_disable_flow_8723d,
+	.rf_sipi_addr = {0x840, 0x844},
+	.rf_sipi_read_addr = rtw8723d_rf_sipi_addr,
+	.fix_rf_phy_num = 2,
 };
 EXPORT_SYMBOL(rtw8723d_hw_spec);