mfd: rtsx: Read vendor setting from config space

Normally OEMs will set vendor setting to the config space of Realtek
card reader in BIOS stage. This patch reads the setting at the first,
and configure the internal registers according to it, to improve card
reader's compatibility condition.

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

8 files changed, 365 insertions, 68 deletions

diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index c436bf2..5a68c9b 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -47,19 +47,70 @@ static int rtl8411b_is_qfn48(struct rtsx_pcr *pcr)
 		return 0;
 }
 
+static void rtl8411_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	u32 reg1;
+	u8 reg3;
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg1);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg1);
+
+	if (!rtsx_vendor_setting_valid(reg1))
+		return;
+
+	pcr->aspm_en = rtsx_reg_to_aspm(reg1);
+	pcr->sd30_drive_sel_1v8 =
+		map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg1));
+	pcr->card_drive_sel &= 0x3F;
+	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg1);
+
+	rtsx_pci_read_config_byte(pcr, PCR_SETTING_REG3, &reg3);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG3, reg3);
+	pcr->sd30_drive_sel_3v3 = rtl8411_reg_to_sd30_drive_sel_3v3(reg3);
+}
+
+static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	u32 reg;
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	if (!rtsx_vendor_setting_valid(reg))
+		return;
+
+	pcr->aspm_en = rtsx_reg_to_aspm(reg);
+	pcr->sd30_drive_sel_1v8 =
+		map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg));
+	pcr->sd30_drive_sel_3v3 =
+		map_sd_drive(rtl8411b_reg_to_sd30_drive_sel_3v3(reg));
+}
+
 static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr)
 {
-	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
+	rtsx_pci_init_cmd(pcr);
+
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
+			0xFF, pcr->sd30_drive_sel_3v3);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL,
 			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
+
+	return rtsx_pci_send_cmd(pcr, 100);
 }
 
 static int rtl8411b_extra_init_hw(struct rtsx_pcr *pcr)
 {
-	if (rtl8411b_is_qfn48(pcr))
-		rtsx_pci_write_register(pcr, CARD_PULL_CTL3, 0xFF, 0xF5);
+	rtsx_pci_init_cmd(pcr);
 
-	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
+	if (rtl8411b_is_qfn48(pcr))
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
+				CARD_PULL_CTL3, 0xFF, 0xF5);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
+			0xFF, pcr->sd30_drive_sel_3v3);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL,
 			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
+
+	return rtsx_pci_send_cmd(pcr, 100);
 }
 
 static int rtl8411_turn_on_led(struct rtsx_pcr *pcr)
@@ -141,13 +192,13 @@ static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 	mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK;
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_D);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3);
 		if (err < 0)
 			return err;
 		val = (BPP_ASIC_3V3 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_3V3;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8);
 		if (err < 0)
 			return err;
 		val = (BPP_ASIC_1V8 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_1V8;
@@ -222,6 +273,7 @@ static int rtl8411_conv_clk_and_div_n(int input, int dir)
 }
 
 static const struct pcr_ops rtl8411_pcr_ops = {
+	.fetch_vendor_settings = rtl8411_fetch_vendor_settings,
 	.extra_init_hw = rtl8411_extra_init_hw,
 	.optimize_phy = NULL,
 	.turn_on_led = rtl8411_turn_on_led,
@@ -236,6 +288,7 @@ static const struct pcr_ops rtl8411_pcr_ops = {
 };
 
 static const struct pcr_ops rtl8411b_pcr_ops = {
+	.fetch_vendor_settings = rtl8411b_fetch_vendor_settings,
 	.extra_init_hw = rtl8411b_extra_init_hw,
 	.optimize_phy = NULL,
 	.turn_on_led = rtl8411_turn_on_led,
@@ -385,6 +438,12 @@ void rtl8411_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rtl8411_pcr_ops;
 
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTL8411_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D;
+	pcr->aspm_en = ASPM_L1_EN;
+
 	pcr->ic_version = rtl8411_get_ic_version(pcr);
 	pcr->sd_pull_ctl_enable_tbl = rtl8411_sd_pull_ctl_enable_tbl;
 	pcr->sd_pull_ctl_disable_tbl = rtl8411_sd_pull_ctl_disable_tbl;
@@ -398,6 +457,12 @@ void rtl8411b_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rtl8411b_pcr_ops;
 
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTL8411_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D;
+	pcr->aspm_en = ASPM_L1_EN;
+
 	pcr->ic_version = rtl8411_get_ic_version(pcr);
 
 	if (rtl8411b_is_qfn48(pcr)) {
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c
index ec78d9f..2170449 100644
--- a/drivers/mfd/rts5209.c
+++ b/drivers/mfd/rts5209.c
@@ -34,18 +34,28 @@ static u8 rts5209_get_ic_version(struct rtsx_pcr *pcr)
 	return val & 0x0F;
 }
 
-static void rts5209_init_vendor_cfg(struct rtsx_pcr *pcr)
+static void rts5209_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
-	u32 val;
+	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, 0x724, &val);
-	dev_dbg(&(pcr->pci->dev), "Cfg 0x724: 0x%x\n", val);
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
-	if (!(val & 0x80)) {
-		if (val & 0x08)
-			pcr->ms_pmos = false;
-		else
-			pcr->ms_pmos = true;
+	if (rts5209_vendor_setting1_valid(reg)) {
+		if (rts5209_reg_check_ms_pmos(reg))
+			pcr->flags |= PCR_MS_PMOS;
+		pcr->aspm_en = rts5209_reg_to_aspm(reg);
+	}
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+
+	if (rts5209_vendor_setting2_valid(reg)) {
+		pcr->sd30_drive_sel_1v8 =
+			rts5209_reg_to_sd30_drive_sel_1v8(reg);
+		pcr->sd30_drive_sel_3v3 =
+			rts5209_reg_to_sd30_drive_sel_3v3(reg);
+		pcr->card_drive_sel = rts5209_reg_to_card_drive_sel(reg);
 	}
 }
 
@@ -57,6 +67,9 @@ static int rts5209_extra_init_hw(struct rtsx_pcr *pcr)
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03);
 	/* Configure GPIO as output */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03);
+	/* Configure driving */
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
+			0xFF, pcr->sd30_drive_sel_3v3);
 
 	return rtsx_pci_send_cmd(pcr, 100);
 }
@@ -95,7 +108,7 @@ static int rts5209_card_power_on(struct rtsx_pcr *pcr, int card)
 	partial_pwr_on = SD_PARTIAL_POWER_ON;
 	pwr_on = SD_POWER_ON;
 
-	if (pcr->ms_pmos && (card == RTSX_MS_CARD)) {
+	if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) {
 		pwr_mask = MS_POWER_MASK;
 		partial_pwr_on = MS_PARTIAL_POWER_ON;
 		pwr_on = MS_POWER_ON;
@@ -131,7 +144,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card)
 	pwr_mask = SD_POWER_MASK;
 	pwr_off = SD_POWER_OFF;
 
-	if (pcr->ms_pmos && (card == RTSX_MS_CARD)) {
+	if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) {
 		pwr_mask = MS_POWER_MASK;
 		pwr_off = MS_POWER_OFF;
 	}
@@ -140,7 +153,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card)
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
 			pwr_mask | PMOS_STRG_MASK, pwr_off | PMOS_STRG_400mA);
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
-			LDO3318_PWR_MASK, 0X06);
+			LDO3318_PWR_MASK, 0x06);
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
@@ -150,7 +163,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_D);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3);
 		if (err < 0)
 			return err;
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
@@ -158,7 +171,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 			return err;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8);
 		if (err < 0)
 			return err;
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
@@ -172,6 +185,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 }
 
 static const struct pcr_ops rts5209_pcr_ops = {
+	.fetch_vendor_settings = rts5209_fetch_vendor_settings,
 	.extra_init_hw = rts5209_extra_init_hw,
 	.optimize_phy = rts5209_optimize_phy,
 	.turn_on_led = rts5209_turn_on_led,
@@ -242,7 +256,11 @@ void rts5209_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rts5209_pcr_ops;
 
-	rts5209_init_vendor_cfg(pcr);
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTS5209_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D;
+	pcr->aspm_en = ASPM_L1_EN;
 
 	pcr->ic_version = rts5209_get_ic_version(pcr);
 	pcr->sd_pull_ctl_enable_tbl = rts5209_sd_pull_ctl_enable_tbl;
diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c
index fc831dc..c3181d7 100644
--- a/drivers/mfd/rts5227.c
+++ b/drivers/mfd/rts5227.c
@@ -29,6 +29,60 @@
 
 #include "rtsx_pcr.h"
 
+static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
+{
+	u8 driving_3v3[4][3] = {
+		{0x13, 0x13, 0x13},
+		{0x96, 0x96, 0x96},
+		{0x7F, 0x7F, 0x7F},
+		{0x96, 0x96, 0x96},
+	};
+	u8 driving_1v8[4][3] = {
+		{0x99, 0x99, 0x99},
+		{0xAA, 0xAA, 0xAA},
+		{0xFE, 0xFE, 0xFE},
+		{0xB3, 0xB3, 0xB3},
+	};
+	u8 (*driving)[3], drive_sel;
+
+	if (voltage == OUTPUT_3V3) {
+		driving = driving_3v3;
+		drive_sel = pcr->sd30_drive_sel_3v3;
+	} else {
+		driving = driving_1v8;
+		drive_sel = pcr->sd30_drive_sel_1v8;
+	}
+
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
+			0xFF, driving[drive_sel][0]);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
+			0xFF, driving[drive_sel][1]);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
+			0xFF, driving[drive_sel][2]);
+}
+
+static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	u32 reg;
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	if (!rtsx_vendor_setting_valid(reg))
+		return;
+
+	pcr->aspm_en = rtsx_reg_to_aspm(reg);
+	pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
+	pcr->card_drive_sel &= 0x3F;
+	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
+	if (rtsx_reg_check_reverse_socket(reg))
+		pcr->flags |= PCR_REVERSE_SOCKET;
+}
+
 static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	u16 cap;
@@ -48,17 +102,15 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
 		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LTR_CTL, 0xFF, 0xA3);
 	/* Configure OBFF */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG, 0x03, 0x03);
-	/* Configure force_clock_req
-	 * Maybe We should define 0xFF03 as some name
-	 */
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, 0xFF03, 0x08, 0x08);
-	/* Correct driving */
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_CLK_DRIVE_SEL, 0xFF, 0x96);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_CMD_DRIVE_SEL, 0xFF, 0x96);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_DAT_DRIVE_SEL, 0xFF, 0x96);
+	/* Configure driving */
+	rts5227_fill_driving(pcr, OUTPUT_3V3);
+	/* Configure force_clock_req */
+	if (pcr->flags & PCR_REVERSE_SOCKET)
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
+				AUTOLOAD_CFG_BASE + 3, 0xB8, 0xB8);
+	else
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
+				AUTOLOAD_CFG_BASE + 3, 0xB8, 0x88);
 
 	return rtsx_pci_send_cmd(pcr, 100);
 }
@@ -131,13 +183,11 @@ static int rts5227_card_power_off(struct rtsx_pcr *pcr, int card)
 static int rts5227_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 {
 	int err;
-	u8 drive_sel;
 
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
 		if (err < 0)
 			return err;
-		drive_sel = 0x96;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_phy_register(pcr, 0x11, 0x3C02);
 		if (err < 0)
@@ -145,23 +195,18 @@ static int rts5227_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C80 | 0x24);
 		if (err < 0)
 			return err;
-		drive_sel = 0xB3;
 	} else {
 		return -EINVAL;
 	}
 
 	/* set pad drive */
 	rtsx_pci_init_cmd(pcr);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
-			0xFF, drive_sel);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
-			0xFF, drive_sel);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
-			0xFF, drive_sel);
+	rts5227_fill_driving(pcr, voltage);
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
 static const struct pcr_ops rts5227_pcr_ops = {
+	.fetch_vendor_settings = rts5227_fetch_vendor_settings,
 	.extra_init_hw = rts5227_extra_init_hw,
 	.optimize_phy = rts5227_optimize_phy,
 	.turn_on_led = rts5227_turn_on_led,
@@ -227,6 +272,12 @@ void rts5227_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rts5227_pcr_ops;
 
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
+	pcr->aspm_en = ASPM_L1_EN;
+
 	pcr->sd_pull_ctl_enable_tbl = rts5227_sd_pull_ctl_enable_tbl;
 	pcr->sd_pull_ctl_disable_tbl = rts5227_sd_pull_ctl_disable_tbl;
 	pcr->ms_pull_ctl_enable_tbl = rts5227_ms_pull_ctl_enable_tbl;
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c
index 58af4db..7a1ad6d 100644
--- a/drivers/mfd/rts5229.c
+++ b/drivers/mfd/rts5229.c
@@ -34,6 +34,28 @@ static u8 rts5229_get_ic_version(struct rtsx_pcr *pcr)
 	return val & 0x0F;
 }
 
+static void rts5229_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	u32 reg;
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	if (!rtsx_vendor_setting_valid(reg))
+		return;
+
+	pcr->aspm_en = rtsx_reg_to_aspm(reg);
+	pcr->sd30_drive_sel_1v8 =
+		map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg));
+	pcr->card_drive_sel &= 0x3F;
+	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	pcr->sd30_drive_sel_3v3 =
+		map_sd_drive(rtsx_reg_to_sd30_drive_sel_3v3(reg));
+}
+
 static int rts5229_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	rtsx_pci_init_cmd(pcr);
@@ -45,6 +67,9 @@ static int rts5229_extra_init_hw(struct rtsx_pcr *pcr)
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
 	/* LED shine disabled, set initial shine cycle period */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
+	/* Configure driving */
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
+			0xFF, pcr->sd30_drive_sel_3v3);
 
 	return rtsx_pci_send_cmd(pcr, 100);
 }
@@ -110,7 +135,7 @@ static int rts5229_card_power_off(struct rtsx_pcr *pcr, int card)
 			SD_POWER_MASK | PMOS_STRG_MASK,
 			SD_POWER_OFF | PMOS_STRG_400mA);
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
-			LDO3318_PWR_MASK, 0X00);
+			LDO3318_PWR_MASK, 0x00);
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
@@ -120,7 +145,7 @@ static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_D);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3);
 		if (err < 0)
 			return err;
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
@@ -128,7 +153,7 @@ static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 			return err;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_register(pcr,
-				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
+				SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8);
 		if (err < 0)
 			return err;
 		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
@@ -142,6 +167,7 @@ static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 }
 
 static const struct pcr_ops rts5229_pcr_ops = {
+	.fetch_vendor_settings = rts5229_fetch_vendor_settings,
 	.extra_init_hw = rts5229_extra_init_hw,
 	.optimize_phy = rts5229_optimize_phy,
 	.turn_on_led = rts5229_turn_on_led,
@@ -221,6 +247,12 @@ void rts5229_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rts5229_pcr_ops;
 
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D;
+	pcr->aspm_en = ASPM_L1_EN;
+
 	pcr->ic_version = rts5229_get_ic_version(pcr);
 	if (pcr->ic_version == IC_VER_C) {
 		pcr->sd_pull_ctl_enable_tbl = rts5229_sd_pull_ctl_enable_tbl2;
diff --git a/drivers/mfd/rts5249.c b/drivers/mfd/rts5249.c
index 15dc848..d5db182 100644
--- a/drivers/mfd/rts5249.c
+++ b/drivers/mfd/rts5249.c
@@ -34,6 +34,60 @@ static u8 rts5249_get_ic_version(struct rtsx_pcr *pcr)
 	return val & 0x0F;
 }
 
+static void rts5249_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
+{
+	u8 driving_3v3[4][3] = {
+		{0x11, 0x11, 0x11},
+		{0x55, 0x55, 0x5C},
+		{0x99, 0x99, 0x92},
+		{0x99, 0x99, 0x92},
+	};
+	u8 driving_1v8[4][3] = {
+		{0x3C, 0x3C, 0x3C},
+		{0xB3, 0xB3, 0xB3},
+		{0xFE, 0xFE, 0xFE},
+		{0xC4, 0xC4, 0xC4},
+	};
+	u8 (*driving)[3], drive_sel;
+
+	if (voltage == OUTPUT_3V3) {
+		driving = driving_3v3;
+		drive_sel = pcr->sd30_drive_sel_3v3;
+	} else {
+		driving = driving_1v8;
+		drive_sel = pcr->sd30_drive_sel_1v8;
+	}
+
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
+			0xFF, driving[drive_sel][0]);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
+			0xFF, driving[drive_sel][1]);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
+			0xFF, driving[drive_sel][2]);
+}
+
+static void rts5249_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	u32 reg;
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	if (!rtsx_vendor_setting_valid(reg))
+		return;
+
+	pcr->aspm_en = rtsx_reg_to_aspm(reg);
+	pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
+	pcr->card_drive_sel &= 0x3F;
+	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
+
+	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
+	if (rtsx_reg_check_reverse_socket(reg))
+		pcr->flags |= PCR_REVERSE_SOCKET;
+}
+
 static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	rtsx_pci_init_cmd(pcr);
@@ -45,13 +99,14 @@ static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
 	/* LED shine disabled, set initial shine cycle period */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
-	/* Correct driving */
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_CLK_DRIVE_SEL, 0xFF, 0x99);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_CMD_DRIVE_SEL, 0xFF, 0x99);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
-			SD30_DAT_DRIVE_SEL, 0xFF, 0x92);
+	/* Configure driving */
+	rts5249_fill_driving(pcr, OUTPUT_3V3);
+	if (pcr->flags & PCR_REVERSE_SOCKET)
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
+				AUTOLOAD_CFG_BASE + 3, 0xB0, 0xB0);
+	else
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
+				AUTOLOAD_CFG_BASE + 3, 0xB0, 0x80);
 
 	return rtsx_pci_send_cmd(pcr, 100);
 }
@@ -129,15 +184,11 @@ static int rts5249_card_power_off(struct rtsx_pcr *pcr, int card)
 static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 {
 	int err;
-	u8 clk_drive, cmd_drive, dat_drive;
 
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4FC0 | 0x24);
 		if (err < 0)
 			return err;
-		clk_drive = 0x99;
-		cmd_drive = 0x99;
-		dat_drive = 0x92;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_phy_register(pcr, PHY_BACR, 0x3C02);
 		if (err < 0)
@@ -145,25 +196,18 @@ static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4C40 | 0x24);
 		if (err < 0)
 			return err;
-		clk_drive = 0xb3;
-		cmd_drive = 0xb3;
-		dat_drive = 0xb3;
 	} else {
 		return -EINVAL;
 	}
 
 	/* set pad drive */
 	rtsx_pci_init_cmd(pcr);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
-			0xFF, clk_drive);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
-			0xFF, cmd_drive);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
-			0xFF, dat_drive);
+	rts5249_fill_driving(pcr, voltage);
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
 static const struct pcr_ops rts5249_pcr_ops = {
+	.fetch_vendor_settings = rts5249_fetch_vendor_settings,
 	.extra_init_hw = rts5249_extra_init_hw,
 	.optimize_phy = rts5249_optimize_phy,
 	.turn_on_led = rts5249_turn_on_led,
@@ -233,6 +277,12 @@ void rts5249_init_params(struct rtsx_pcr *pcr)
 	pcr->num_slots = 2;
 	pcr->ops = &rts5249_pcr_ops;
 
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_C;
+	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
+	pcr->aspm_en = ASPM_L1_EN;
+
 	pcr->ic_version = rts5249_get_ic_version(pcr);
 	pcr->sd_pull_ctl_enable_tbl = rts5249_sd_pull_ctl_enable_tbl;
 	pcr->sd_pull_ctl_disable_tbl = rts5249_sd_pull_ctl_disable_tbl;
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index dd186c4..e06d6b0 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -73,6 +73,9 @@ void rtsx_pci_start_run(struct rtsx_pcr *pcr)
 		pcr->state = PDEV_STAT_RUN;
 		if (pcr->ops->enable_auto_blink)
 			pcr->ops->enable_auto_blink(pcr);
+
+		if (pcr->aspm_en)
+			rtsx_pci_write_config_byte(pcr, LCTLR, 0);
 	}
 
 	mod_delayed_work(system_wq, &pcr->idle_work, msecs_to_jiffies(200));
@@ -717,7 +720,7 @@ int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card)
 		[RTSX_MS_CARD] = MS_EXIST
 	};
 
-	if (!pcr->ms_pmos) {
+	if (!(pcr->flags & PCR_MS_PMOS)) {
 		/* When using single PMOS, accessing card is not permitted
 		 * if the existing card is not the designated one.
 		 */
@@ -918,6 +921,9 @@ static void rtsx_pci_idle_work(struct work_struct *work)
 	if (pcr->ops->turn_off_led)
 		pcr->ops->turn_off_led(pcr);
 
+	if (pcr->aspm_en)
+		rtsx_pci_write_config_byte(pcr, LCTLR, pcr->aspm_en);
+
 	mutex_unlock(&pcr->pcr_mutex);
 }
 
@@ -956,8 +962,8 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 	/* Reset delink mode */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CHANGE_LINK_STATE, 0x0A, 0);
 	/* Card driving select */
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
-			0x07, DRIVER_TYPE_D);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DRIVE_SEL,
+			0xFF, pcr->card_drive_sel);
 	/* Enable SSC Clock */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1,
 			0xFF, SSC_8X_EN | SSC_SEL_4M);
@@ -989,6 +995,8 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 	if (err < 0)
 		return err;
 
+	rtsx_pci_write_config_byte(pcr, LCTLR, 0);
+
 	/* Enable clk_request_n to enable clock power management */
 	rtsx_pci_write_config_byte(pcr, 0x81, 1);
 	/* Enter L1 when host tx idle */
@@ -1053,6 +1061,18 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
 	if (!pcr->slots)
 		return -ENOMEM;
 
+	if (pcr->ops->fetch_vendor_settings)
+		pcr->ops->fetch_vendor_settings(pcr);
+
+	dev_dbg(&(pcr->pci->dev), "pcr->aspm_en = 0x%x\n", pcr->aspm_en);
+	dev_dbg(&(pcr->pci->dev), "pcr->sd30_drive_sel_1v8 = 0x%x\n",
+			pcr->sd30_drive_sel_1v8);
+	dev_dbg(&(pcr->pci->dev), "pcr->sd30_drive_sel_3v3 = 0x%x\n",
+			pcr->sd30_drive_sel_3v3);
+	dev_dbg(&(pcr->pci->dev), "pcr->card_drive_sel = 0x%x\n",
+			pcr->card_drive_sel);
+	dev_dbg(&(pcr->pci->dev), "pcr->flags = 0x%x\n", pcr->flags);
+
 	pcr->state = PDEV_STAT_IDLE;
 	err = rtsx_pci_init_hw(pcr);
 	if (err < 0) {
diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
index c0cac7e..7a1b87a 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -35,4 +35,33 @@ void rts5227_init_params(struct rtsx_pcr *pcr);
 void rts5249_init_params(struct rtsx_pcr *pcr);
 void rtl8411b_init_params(struct rtsx_pcr *pcr);
 
+static inline u8 map_sd_drive(int idx)
+{
+	u8 sd_drive[4] = {
+		0x01,	/* Type D */
+		0x02,	/* Type C */
+		0x05,	/* Type A */
+		0x03	/* Type B */
+	};
+
+	return sd_drive[idx];
+}
+
+#define rtsx_vendor_setting_valid(reg)		(!((reg) & 0x1000000))
+#define rts5209_vendor_setting1_valid(reg)	(!((reg) & 0x80))
+#define rts5209_vendor_setting2_valid(reg)	((reg) & 0x80)
+
+#define rtsx_reg_to_aspm(reg)			(((reg) >> 28) & 0x03)
+#define rtsx_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 26) & 0x03)
+#define rtsx_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 5) & 0x03)
+#define rtsx_reg_to_card_drive_sel(reg)		((((reg) >> 25) & 0x01) << 6)
+#define rtsx_reg_check_reverse_socket(reg)	((reg) & 0x4000)
+#define rts5209_reg_to_aspm(reg)		(((reg) >> 5) & 0x03)
+#define rts5209_reg_check_ms_pmos(reg)		(!((reg) & 0x08))
+#define rts5209_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 3) & 0x07)
+#define rts5209_reg_to_sd30_drive_sel_3v3(reg)	((reg) & 0x07)
+#define rts5209_reg_to_card_drive_sel(reg)	((reg) >> 8)
+#define rtl8411_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 5) & 0x07)
+#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg)	((reg) & 0x03)
+
 #endif
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 7a9f708..9cba737 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -184,11 +184,26 @@
 #define CARD_SHARE_BAROSSA_SD		0x01
 #define CARD_SHARE_BAROSSA_MS		0x02
 
+/* CARD_DRIVE_SEL */
+#define MS_DRIVE_8mA			(0x01 << 6)
+#define MMC_DRIVE_8mA			(0x01 << 4)
+#define XD_DRIVE_8mA			(0x01 << 2)
+#define GPIO_DRIVE_8mA			0x01
+#define RTS5209_CARD_DRIVE_DEFAULT	(MS_DRIVE_8mA | MMC_DRIVE_8mA |\
+						XD_DRIVE_8mA | GPIO_DRIVE_8mA)
+#define RTL8411_CARD_DRIVE_DEFAULT	(MS_DRIVE_8mA | MMC_DRIVE_8mA |\
+						XD_DRIVE_8mA)
+#define RTSX_CARD_DRIVE_DEFAULT		(MS_DRIVE_8mA | GPIO_DRIVE_8mA)
+
 /* SD30_DRIVE_SEL */
 #define DRIVER_TYPE_A			0x05
 #define DRIVER_TYPE_B			0x03
 #define DRIVER_TYPE_C			0x02
 #define DRIVER_TYPE_D			0x01
+#define CFG_DRIVER_TYPE_A		0x02
+#define CFG_DRIVER_TYPE_B		0x03
+#define CFG_DRIVER_TYPE_C		0x01
+#define CFG_DRIVER_TYPE_D		0x00
 
 /* FPDCTL */
 #define SSC_POWER_DOWN			0x01
@@ -684,6 +699,8 @@
 
 #define DUMMY_REG_RESET_0		0xFE90
 
+#define AUTOLOAD_CFG_BASE		0xFF00
+
 /* Memory mapping */
 #define SRAM_BASE			0xE600
 #define RBUF_BASE			0xF400
@@ -726,6 +743,11 @@
 #define PHY_FLD4			0x1E
 #define PHY_DUM_REG			0x1F
 
+#define LCTLR				0x80
+#define PCR_SETTING_REG1		0x724
+#define PCR_SETTING_REG2		0x814
+#define PCR_SETTING_REG3		0x747
+
 #define rtsx_pci_init_cmd(pcr)		((pcr)->ci = 0)
 
 struct rtsx_pcr;
@@ -747,6 +769,7 @@ struct pcr_ops {
 						u8 voltage);
 	unsigned int	(*cd_deglitch)(struct rtsx_pcr *pcr);
 	int		(*conv_clk_and_div_n)(int clk, int dir);
+	void		(*fetch_vendor_settings)(struct rtsx_pcr *pcr);
 };
 
 enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};
@@ -788,7 +811,6 @@ struct rtsx_pcr {
 	struct completion		*finish_me;
 
 	unsigned int			cur_clock;
-	bool				ms_pmos;
 	bool				remove_pci;
 	bool				msi_en;
 
@@ -806,6 +828,16 @@ struct rtsx_pcr {
 #define IC_VER_D			3
 	u8				ic_version;
 
+	u8				sd30_drive_sel_1v8;
+	u8				sd30_drive_sel_3v3;
+	u8				card_drive_sel;
+#define ASPM_L1_EN			0x02
+	u8				aspm_en;
+
+#define PCR_MS_PMOS			(1 << 0)
+#define PCR_REVERSE_SOCKET		(1 << 1)
+	u32				flags;
+
 	const u32			*sd_pull_ctl_enable_tbl;
 	const u32			*sd_pull_ctl_disable_tbl;
 	const u32			*ms_pull_ctl_enable_tbl;