Patchwork [Quantal/Raring,2/2] mfd: rtsx: Add support for RTL8411B

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Submitter Adam Lee
Date July 15, 2013, 9:08 a.m.
Message ID <1373879318-31298-2-git-send-email-adam.lee@canonical.com>
Download mbox | patch
Permalink /patch/258965/
State New
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Comments

Adam Lee - July 15, 2013, 9:08 a.m.
From: Roger Tseng <rogerable@realtek.com>

BugLink: http://bugs.launchpad.net/bugs/1201321

Adding support of model RTL8411B. Since the model is similar to RTL8411,
differences are implemented in rtl8411.c.

Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
(cherry picked from commit 9032eabdd3fcfc00aa513a9eef54002cbabb8c9a)
Signed-off-by: Adam Lee <adam.lee@canonical.com>
---
 drivers/mfd/rtl8411.c        | 132 +++++++++++++++++++++++++++++++++++++++++++
 drivers/mfd/rtsx_pcr.c       |   5 ++
 drivers/mfd/rtsx_pcr.h       |   1 +
 include/linux/mfd/rtsx_pci.h |   1 +
 4 files changed, 139 insertions(+)
Tim Gardner - July 15, 2013, 12:51 p.m.

Brad Figg - July 15, 2013, 2:37 p.m.
On 07/15/2013 02:08 AM, Adam Lee wrote:
> From: Roger Tseng <rogerable@realtek.com>
> 
> BugLink: http://bugs.launchpad.net/bugs/1201321
> 
> Adding support of model RTL8411B. Since the model is similar to RTL8411,
> differences are implemented in rtl8411.c.
> 
> Signed-off-by: Roger Tseng <rogerable@realtek.com>
> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
> (cherry picked from commit 9032eabdd3fcfc00aa513a9eef54002cbabb8c9a)
> Signed-off-by: Adam Lee <adam.lee@canonical.com>
> ---
>  drivers/mfd/rtl8411.c        | 132 +++++++++++++++++++++++++++++++++++++++++++
>  drivers/mfd/rtsx_pcr.c       |   5 ++
>  drivers/mfd/rtsx_pcr.h       |   1 +
>  include/linux/mfd/rtsx_pci.h |   1 +
>  4 files changed, 139 insertions(+)
> 
> diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
> index 2a2d316..c436bf2 100644
> --- a/drivers/mfd/rtl8411.c
> +++ b/drivers/mfd/rtl8411.c
> @@ -35,12 +35,33 @@ static u8 rtl8411_get_ic_version(struct rtsx_pcr *pcr)
>  	return val & 0x0F;
>  }
>  
> +static int rtl8411b_is_qfn48(struct rtsx_pcr *pcr)
> +{
> +	u8 val = 0;
> +
> +	rtsx_pci_read_register(pcr, RTL8411B_PACKAGE_MODE, &val);
> +
> +	if (val & 0x2)
> +		return 1;
> +	else
> +		return 0;
> +}
> +
>  static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr)
>  {
>  	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
>  			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
>  }
>  
> +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);
> +
> +	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
> +			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
> +}
> +
>  static int rtl8411_turn_on_led(struct rtsx_pcr *pcr)
>  {
>  	return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x00);
> @@ -214,6 +235,20 @@ static const struct pcr_ops rtl8411_pcr_ops = {
>  	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
>  };
>  
> +static const struct pcr_ops rtl8411b_pcr_ops = {
> +	.extra_init_hw = rtl8411b_extra_init_hw,
> +	.optimize_phy = NULL,
> +	.turn_on_led = rtl8411_turn_on_led,
> +	.turn_off_led = rtl8411_turn_off_led,
> +	.enable_auto_blink = rtl8411_enable_auto_blink,
> +	.disable_auto_blink = rtl8411_disable_auto_blink,
> +	.card_power_on = rtl8411_card_power_on,
> +	.card_power_off = rtl8411_card_power_off,
> +	.switch_output_voltage = rtl8411_switch_output_voltage,
> +	.cd_deglitch = rtl8411_cd_deglitch,
> +	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
> +};
> +
>  /* SD Pull Control Enable:
>   *     SD_DAT[3:0] ==> pull up
>   *     SD_CD       ==> pull up
> @@ -276,6 +311,74 @@ static const u32 rtl8411_ms_pull_ctl_disable_tbl[] = {
>  	0,
>  };
>  
> +static const u32 rtl8411b_qfn64_sd_pull_ctl_enable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL1, 0xAA),
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x09 | 0xD0),
> +	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn48_sd_pull_ctl_enable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x69 | 0x90),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x08 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn64_sd_pull_ctl_disable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
> +	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn48_sd_pull_ctl_disable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn64_ms_pull_ctl_enable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
> +	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x05 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn48_ms_pull_ctl_enable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn64_ms_pull_ctl_disable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
> +	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
> +static const u32 rtl8411b_qfn48_ms_pull_ctl_disable_tbl[] = {
> +	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
> +	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
> +	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
> +	0,
> +};
> +
>  void rtl8411_init_params(struct rtsx_pcr *pcr)
>  {
>  	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
> @@ -288,3 +391,32 @@ void rtl8411_init_params(struct rtsx_pcr *pcr)
>  	pcr->ms_pull_ctl_enable_tbl = rtl8411_ms_pull_ctl_enable_tbl;
>  	pcr->ms_pull_ctl_disable_tbl = rtl8411_ms_pull_ctl_disable_tbl;
>  }
> +
> +void rtl8411b_init_params(struct rtsx_pcr *pcr)
> +{
> +	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
> +	pcr->num_slots = 2;
> +	pcr->ops = &rtl8411b_pcr_ops;
> +
> +	pcr->ic_version = rtl8411_get_ic_version(pcr);
> +
> +	if (rtl8411b_is_qfn48(pcr)) {
> +		pcr->sd_pull_ctl_enable_tbl =
> +			rtl8411b_qfn48_sd_pull_ctl_enable_tbl;
> +		pcr->sd_pull_ctl_disable_tbl =
> +			rtl8411b_qfn48_sd_pull_ctl_disable_tbl;
> +		pcr->ms_pull_ctl_enable_tbl =
> +			rtl8411b_qfn48_ms_pull_ctl_enable_tbl;
> +		pcr->ms_pull_ctl_disable_tbl =
> +			rtl8411b_qfn48_ms_pull_ctl_disable_tbl;
> +	} else {
> +		pcr->sd_pull_ctl_enable_tbl =
> +			rtl8411b_qfn64_sd_pull_ctl_enable_tbl;
> +		pcr->sd_pull_ctl_disable_tbl =
> +			rtl8411b_qfn64_sd_pull_ctl_disable_tbl;
> +		pcr->ms_pull_ctl_enable_tbl =
> +			rtl8411b_qfn64_ms_pull_ctl_enable_tbl;
> +		pcr->ms_pull_ctl_disable_tbl =
> +			rtl8411b_qfn64_ms_pull_ctl_disable_tbl;
> +	}
> +}
> diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
> index ab1001d..89a7aba 100644
> --- a/drivers/mfd/rtsx_pcr.c
> +++ b/drivers/mfd/rtsx_pcr.c
> @@ -56,6 +56,7 @@ static DEFINE_PCI_DEVICE_TABLE(rtsx_pci_ids) = {
>  	{ PCI_DEVICE(0x10EC, 0x5289), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>  	{ PCI_DEVICE(0x10EC, 0x5227), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>  	{ PCI_DEVICE(0x10EC, 0x5249), PCI_CLASS_OTHERS << 16, 0xFF0000 },
> +	{ PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>  	{ 0, }
>  };
>  
> @@ -1044,6 +1045,10 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
>  	case 0x5249:
>  		rts5249_init_params(pcr);
>  		break;
> +
> +	case 0x5287:
> +		rtl8411b_init_params(pcr);
> +		break;
>  	}
>  
>  	dev_dbg(&(pcr->pci->dev), "PID: 0x%04x, IC version: 0x%02x\n",
> diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
> index 55fcfc2..c0cac7e 100644
> --- a/drivers/mfd/rtsx_pcr.h
> +++ b/drivers/mfd/rtsx_pcr.h
> @@ -33,5 +33,6 @@ void rts5229_init_params(struct rtsx_pcr *pcr);
>  void rtl8411_init_params(struct rtsx_pcr *pcr);
>  void rts5227_init_params(struct rtsx_pcr *pcr);
>  void rts5249_init_params(struct rtsx_pcr *pcr);
> +void rtl8411b_init_params(struct rtsx_pcr *pcr);
>  
>  #endif
> diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
> index 86bc635..7a9f708 100644
> --- a/include/linux/mfd/rtsx_pci.h
> +++ b/include/linux/mfd/rtsx_pci.h
> @@ -575,6 +575,7 @@
>  
>  #define CARD_PWR_CTL			0xFD50
>  #define CARD_CLK_SWITCH			0xFD51
> +#define RTL8411B_PACKAGE_MODE		0xFD51
>  #define CARD_SHARE_MODE			0xFD52
>  #define CARD_DRIVE_SEL			0xFD53
>  #define CARD_STOP			0xFD54
>
Tim Gardner - July 15, 2013, 7:20 p.m.
Maybe you should take another stab at this. It does not apply to either
Quantal or Raring, which makes me suspicious.

rtg

Patch

diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 2a2d316..c436bf2 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -35,12 +35,33 @@  static u8 rtl8411_get_ic_version(struct rtsx_pcr *pcr)
 	return val & 0x0F;
 }
 
+static int rtl8411b_is_qfn48(struct rtsx_pcr *pcr)
+{
+	u8 val = 0;
+
+	rtsx_pci_read_register(pcr, RTL8411B_PACKAGE_MODE, &val);
+
+	if (val & 0x2)
+		return 1;
+	else
+		return 0;
+}
+
 static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
 			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
 }
 
+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);
+
+	return rtsx_pci_write_register(pcr, CD_PAD_CTL,
+			CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
+}
+
 static int rtl8411_turn_on_led(struct rtsx_pcr *pcr)
 {
 	return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x00);
@@ -214,6 +235,20 @@  static const struct pcr_ops rtl8411_pcr_ops = {
 	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
 };
 
+static const struct pcr_ops rtl8411b_pcr_ops = {
+	.extra_init_hw = rtl8411b_extra_init_hw,
+	.optimize_phy = NULL,
+	.turn_on_led = rtl8411_turn_on_led,
+	.turn_off_led = rtl8411_turn_off_led,
+	.enable_auto_blink = rtl8411_enable_auto_blink,
+	.disable_auto_blink = rtl8411_disable_auto_blink,
+	.card_power_on = rtl8411_card_power_on,
+	.card_power_off = rtl8411_card_power_off,
+	.switch_output_voltage = rtl8411_switch_output_voltage,
+	.cd_deglitch = rtl8411_cd_deglitch,
+	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
+};
+
 /* SD Pull Control Enable:
  *     SD_DAT[3:0] ==> pull up
  *     SD_CD       ==> pull up
@@ -276,6 +311,74 @@  static const u32 rtl8411_ms_pull_ctl_disable_tbl[] = {
 	0,
 };
 
+static const u32 rtl8411b_qfn64_sd_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL1, 0xAA),
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x09 | 0xD0),
+	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn48_sd_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x69 | 0x90),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x08 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn64_sd_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
+	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn48_sd_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn64_ms_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
+	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x05 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn48_ms_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn64_ms_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65),
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0),
+	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
+static const u32 rtl8411b_qfn48_ms_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90),
+	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11),
+	0,
+};
+
 void rtl8411_init_params(struct rtsx_pcr *pcr)
 {
 	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
@@ -288,3 +391,32 @@  void rtl8411_init_params(struct rtsx_pcr *pcr)
 	pcr->ms_pull_ctl_enable_tbl = rtl8411_ms_pull_ctl_enable_tbl;
 	pcr->ms_pull_ctl_disable_tbl = rtl8411_ms_pull_ctl_disable_tbl;
 }
+
+void rtl8411b_init_params(struct rtsx_pcr *pcr)
+{
+	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
+	pcr->num_slots = 2;
+	pcr->ops = &rtl8411b_pcr_ops;
+
+	pcr->ic_version = rtl8411_get_ic_version(pcr);
+
+	if (rtl8411b_is_qfn48(pcr)) {
+		pcr->sd_pull_ctl_enable_tbl =
+			rtl8411b_qfn48_sd_pull_ctl_enable_tbl;
+		pcr->sd_pull_ctl_disable_tbl =
+			rtl8411b_qfn48_sd_pull_ctl_disable_tbl;
+		pcr->ms_pull_ctl_enable_tbl =
+			rtl8411b_qfn48_ms_pull_ctl_enable_tbl;
+		pcr->ms_pull_ctl_disable_tbl =
+			rtl8411b_qfn48_ms_pull_ctl_disable_tbl;
+	} else {
+		pcr->sd_pull_ctl_enable_tbl =
+			rtl8411b_qfn64_sd_pull_ctl_enable_tbl;
+		pcr->sd_pull_ctl_disable_tbl =
+			rtl8411b_qfn64_sd_pull_ctl_disable_tbl;
+		pcr->ms_pull_ctl_enable_tbl =
+			rtl8411b_qfn64_ms_pull_ctl_enable_tbl;
+		pcr->ms_pull_ctl_disable_tbl =
+			rtl8411b_qfn64_ms_pull_ctl_disable_tbl;
+	}
+}
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index ab1001d..89a7aba 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -56,6 +56,7 @@  static DEFINE_PCI_DEVICE_TABLE(rtsx_pci_ids) = {
 	{ PCI_DEVICE(0x10EC, 0x5289), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ PCI_DEVICE(0x10EC, 0x5227), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ PCI_DEVICE(0x10EC, 0x5249), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+	{ PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ 0, }
 };
 
@@ -1044,6 +1045,10 @@  static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
 	case 0x5249:
 		rts5249_init_params(pcr);
 		break;
+
+	case 0x5287:
+		rtl8411b_init_params(pcr);
+		break;
 	}
 
 	dev_dbg(&(pcr->pci->dev), "PID: 0x%04x, IC version: 0x%02x\n",
diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
index 55fcfc2..c0cac7e 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -33,5 +33,6 @@  void rts5229_init_params(struct rtsx_pcr *pcr);
 void rtl8411_init_params(struct rtsx_pcr *pcr);
 void rts5227_init_params(struct rtsx_pcr *pcr);
 void rts5249_init_params(struct rtsx_pcr *pcr);
+void rtl8411b_init_params(struct rtsx_pcr *pcr);
 
 #endif
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 86bc635..7a9f708 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -575,6 +575,7 @@ 
 
 #define CARD_PWR_CTL			0xFD50
 #define CARD_CLK_SWITCH			0xFD51
+#define RTL8411B_PACKAGE_MODE		0xFD51
 #define CARD_SHARE_MODE			0xFD52
 #define CARD_DRIVE_SEL			0xFD53
 #define CARD_STOP			0xFD54