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Date:	Wed, 18 Dec 2013 10:03:13 +0800
From:	<micky_ching@...lsil.com.cn>
To:	<sameo@...ux.intel.com>
CC:	<devel@...uxdriverproject.org>, <linux-kernel@...r.kernel.org>,
	<gregkh@...uxfoundation.org>, <rogerable@...ltek.com>,
	<wei_wang@...lsil.com.cn>, Micky Ching <micky_ching@...lsil.com.cn>
Subject: [PATCH v4 2/2] mfd: rtsx: add support for card reader rtl8402

From: Micky Ching <micky_ching@...lsil.com.cn>

rtl8402 is much like rtl8411, so just add it to rtl8411.c

Signed-off-by: Micky Ching <micky_ching@...lsil.com.cn>
---
 drivers/mfd/rtl8411.c  |   44 ++++++++++++++++++++++++++++++++++++++++----
 drivers/mfd/rtsx_pcr.c |    5 +++++
 drivers/mfd/rtsx_pcr.h |    1 +
 3 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 00ecf6b..2d96552 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -191,24 +191,25 @@ static int rtl8411_card_power_off(struct rtsx_pcr *pcr, int card)
 			BPP_LDO_POWB, BPP_LDO_SUSPEND);
 }
 
-static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+static int rtl8411_do_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage,
+		int bpp_tuned18_shift, int bpp_asic_1v8)
 {
 	u8 mask, val;
 	int err;
 
-	mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK;
+	mask = (BPP_REG_TUNED18 << bpp_tuned18_shift) | BPP_PAD_MASK;
 	if (voltage == OUTPUT_3V3) {
 		err = rtsx_pci_write_register(pcr,
 				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;
+		val = (BPP_ASIC_3V3 << bpp_tuned18_shift) | BPP_PAD_3V3;
 	} else if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_register(pcr,
 				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;
+		val = (bpp_asic_1v8 << bpp_tuned18_shift) | BPP_PAD_1V8;
 	} else {
 		return -EINVAL;
 	}
@@ -216,6 +217,18 @@ static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
 	return rtsx_pci_write_register(pcr, LDO_CTL, mask, val);
 }
 
+static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	return rtl8411_do_switch_output_voltage(pcr, voltage,
+			BPP_TUNED18_SHIFT_8411, BPP_ASIC_1V8);
+}
+
+static int rtl8402_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	return rtl8411_do_switch_output_voltage(pcr, voltage,
+			BPP_TUNED18_SHIFT_8402, BPP_ASIC_2V0);
+}
+
 static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr)
 {
 	unsigned int card_exist;
@@ -295,6 +308,22 @@ static const struct pcr_ops rtl8411_pcr_ops = {
 	.force_power_down = rtl8411_force_power_down,
 };
 
+static const struct pcr_ops rtl8402_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,
+	.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 = rtl8402_switch_output_voltage,
+	.cd_deglitch = rtl8411_cd_deglitch,
+	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
+	.force_power_down = rtl8411_force_power_down,
+};
+
 static const struct pcr_ops rtl8411b_pcr_ops = {
 	.fetch_vendor_settings = rtl8411b_fetch_vendor_settings,
 	.extra_init_hw = rtl8411b_extra_init_hw,
@@ -471,3 +500,10 @@ void rtl8411b_init_params(struct rtsx_pcr *pcr)
 	else
 		set_pull_ctrl_tables(pcr, rtl8411b_qfn64);
 }
+
+void rtl8402_init_params(struct rtsx_pcr *pcr)
+{
+	rtl8411_init_common_params(pcr);
+	pcr->ops = &rtl8402_pcr_ops;
+	set_pull_ctrl_tables(pcr, rtl8411);
+}
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 11e20af..2af55bb 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -57,6 +57,7 @@ static DEFINE_PCI_DEVICE_TABLE(rtsx_pci_ids) = {
 	{ 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 },
+	{ PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ 0, }
 };
 
@@ -1061,6 +1062,10 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
 	case 0x5287:
 		rtl8411b_init_params(pcr);
 		break;
+
+	case 0x5286:
+		rtl8402_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 e9feadb..07e4c2e 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -30,6 +30,7 @@
 void rts5209_init_params(struct rtsx_pcr *pcr);
 void rts5229_init_params(struct rtsx_pcr *pcr);
 void rtl8411_init_params(struct rtsx_pcr *pcr);
+void rtl8402_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);
-- 
1.7.9.5

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