Commit 39e794bf authored by Yaniv Gardi's avatar Yaniv Gardi Committed by Christoph Hellwig
Browse files

phy: qcom-ufs: add support for 20nm phy 



This change adds a support for a 20nm qcom-ufs phy that is required in
platforms that use ufs-qcom controller.

Signed-off-by: default avatarYaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: default avatarDov Levenglick <dovl@codeaurora.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent adaafaa3

drivers/phy/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -35,3 +35,4 @@ obj-$(CONFIG_PHY_XGENE) += phy-xgene.o 
obj-$(CONFIG_PHY_STIH407_USB)		+= phy-stih407-usb.o

obj-$(CONFIG_PHY_STIH41X_USB)		+= phy-stih41x-usb.o

obj-$(CONFIG_PHY_QCOM_UFS) 	+= phy-qcom-ufs.o

obj-$(CONFIG_PHY_QCOM_UFS) 	+= phy-qcom-ufs-qmp-20nm.o

drivers/phy/phy-qcom-ufs-i.h

+42 −1
Original line number Diff line number Diff line
@@ -15,15 +15,56 @@ 
#ifndef UFS_QCOM_PHY_I_H_

#define UFS_QCOM_PHY_I_H_



#include <linux/module.h>

#include <linux/clk.h>

#include <linux/regulator/consumer.h>

#include <linux/slab.h>

#include <linux/phy/phy.h>

#include <linux/phy/phy-qcom-ufs.h>

#include <linux/platform_device.h>

#include <linux/io.h>

#include <linux/delay.h>



#define readl_poll_timeout(addr, val, cond, sleep_us, timeout_us) \

({ \

	ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \

	might_sleep_if(timeout_us); \

	for (;;) { \

		(val) = readl(addr); \

		if (cond) \

			break; \

		if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \

			(val) = readl(addr); \

			break; \

		} \

		if (sleep_us) \

			usleep_range(DIV_ROUND_UP(sleep_us, 4), sleep_us); \

	} \

	(cond) ? 0 : -ETIMEDOUT; \

})



#define UFS_QCOM_PHY_CAL_ENTRY(reg, val)	\

	{				\

		.reg_offset = reg,	\

		.cfg_value = val,	\

	}



#define UFS_QCOM_PHY_NAME_LEN	30



enum {

	MASK_SERDES_START       = 0x1,

	MASK_PCS_READY          = 0x1,

};



enum {

	OFFSET_SERDES_START     = 0x0,

};



struct ufs_qcom_phy_stored_attributes {

	u32 att;

	u32 value;

};





struct ufs_qcom_phy_calibration {

	u32 reg_offset;

	u32 cfg_value;

drivers/phy/phy-qcom-ufs-qmp-20nm.c

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+257 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#include "phy-qcom-ufs-qmp-20nm.h"



#define UFS_PHY_NAME "ufs_phy_qmp_20nm"



static

int ufs_qcom_phy_qmp_20nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,

					bool is_rate_B)

{

	struct ufs_qcom_phy_calibration *tbl_A, *tbl_B;

	int tbl_size_A, tbl_size_B;

	u8 major = ufs_qcom_phy->host_ctrl_rev_major;

	u16 minor = ufs_qcom_phy->host_ctrl_rev_minor;

	u16 step = ufs_qcom_phy->host_ctrl_rev_step;

	int err;



	if ((major == 0x1) && (minor == 0x002) && (step == 0x0000)) {

		tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_2_0);

		tbl_A = phy_cal_table_rate_A_1_2_0;

	} else if ((major == 0x1) && (minor == 0x003) && (step == 0x0000)) {

		tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_3_0);

		tbl_A = phy_cal_table_rate_A_1_3_0;

	} else {

		dev_err(ufs_qcom_phy->dev, "%s: Unknown UFS-PHY version, no calibration values\n",

			__func__);

		err = -ENODEV;

		goto out;

	}



	tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);

	tbl_B = phy_cal_table_rate_B;



	err = ufs_qcom_phy_calibrate(ufs_qcom_phy, tbl_A, tbl_size_A,

						tbl_B, tbl_size_B, is_rate_B);



	if (err)

		dev_err(ufs_qcom_phy->dev, "%s: ufs_qcom_phy_calibrate() failed %d\n",

			__func__, err);



out:

	return err;

}



static

void ufs_qcom_phy_qmp_20nm_advertise_quirks(struct ufs_qcom_phy *phy_common)

{

	phy_common->quirks =

		UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;

}



static int ufs_qcom_phy_qmp_20nm_init(struct phy *generic_phy)

{

	struct ufs_qcom_phy_qmp_20nm *phy = phy_get_drvdata(generic_phy);

	struct ufs_qcom_phy *phy_common = &phy->common_cfg;

	int err = 0;



	err = ufs_qcom_phy_init_clks(generic_phy, phy_common);

	if (err) {

		dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_clks() failed %d\n",

			__func__, err);

		goto out;

	}



	err = ufs_qcom_phy_init_vregulators(generic_phy, phy_common);

	if (err) {

		dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_vregulators() failed %d\n",

			__func__, err);

		goto out;

	}



	ufs_qcom_phy_qmp_20nm_advertise_quirks(phy_common);



out:

	return err;

}



static

void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val)

{

	bool hibern8_exit_after_pwr_collapse = phy->quirks &

		UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;



	if (val) {

		writel_relaxed(0x1, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);

		/*

		 * Before any transactions involving PHY, ensure PHY knows

		 * that it's analog rail is powered ON.

		 */

		mb();



		if (hibern8_exit_after_pwr_collapse) {

			/*

			 * Give atleast 1us delay after restoring PHY analog

			 * power.

			 */

			usleep_range(1, 2);

			writel_relaxed(0x0A, phy->mmio +

				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);

			writel_relaxed(0x08, phy->mmio +

				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);

			/*

			 * Make sure workaround is deactivated before proceeding

			 * with normal PHY operations.

			 */

			mb();

		}

	} else {

		if (hibern8_exit_after_pwr_collapse) {

			writel_relaxed(0x0A, phy->mmio +

				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);

			writel_relaxed(0x02, phy->mmio +

				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);

			/*

			 * Make sure that above workaround is activated before

			 * PHY analog power collapse.

			 */

			mb();

		}



		writel_relaxed(0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);

		/*

		 * ensure that PHY knows its PHY analog rail is going

		 * to be powered down

		 */

		mb();

	}

}



static

void ufs_qcom_phy_qmp_20nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)

{

	writel_relaxed(val & UFS_PHY_TX_LANE_ENABLE_MASK,

			phy->mmio + UFS_PHY_TX_LANE_ENABLE);

	mb();

}



static inline void ufs_qcom_phy_qmp_20nm_start_serdes(struct ufs_qcom_phy *phy)

{

	u32 tmp;



	tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);

	tmp &= ~MASK_SERDES_START;

	tmp |= (1 << OFFSET_SERDES_START);

	writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);

	mb();

}



static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)

{

	int err = 0;

	u32 val;



	err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,

			val, (val & MASK_PCS_READY), 10, 1000000);

	if (err)

		dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",

			__func__, err);

	return err;

}



static struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {

	.init		= ufs_qcom_phy_qmp_20nm_init,

	.exit		= ufs_qcom_phy_exit,

	.power_on	= ufs_qcom_phy_power_on,

	.power_off	= ufs_qcom_phy_power_off,

	.owner		= THIS_MODULE,

};



static struct ufs_qcom_phy_specific_ops phy_20nm_ops = {

	.calibrate_phy		= ufs_qcom_phy_qmp_20nm_phy_calibrate,

	.start_serdes		= ufs_qcom_phy_qmp_20nm_start_serdes,

	.is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_20nm_is_pcs_ready,

	.set_tx_lane_enable	= ufs_qcom_phy_qmp_20nm_set_tx_lane_enable,

	.power_control		= ufs_qcom_phy_qmp_20nm_power_control,

};



static int ufs_qcom_phy_qmp_20nm_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct phy *generic_phy;

	struct ufs_qcom_phy_qmp_20nm *phy;

	int err = 0;



	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);

	if (!phy) {

		dev_err(dev, "%s: failed to allocate phy\n", __func__);

		err = -ENOMEM;

		goto out;

	}



	generic_phy = ufs_qcom_phy_generic_probe(pdev, &phy->common_cfg,

				&ufs_qcom_phy_qmp_20nm_phy_ops, &phy_20nm_ops);



	if (!generic_phy) {

		dev_err(dev, "%s: ufs_qcom_phy_generic_probe() failed\n",

			__func__);

		err = -EIO;

		goto out;

	}



	phy_set_drvdata(generic_phy, phy);



	strlcpy(phy->common_cfg.name, UFS_PHY_NAME,

			sizeof(phy->common_cfg.name));



out:

	return err;

}



static int ufs_qcom_phy_qmp_20nm_remove(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct phy *generic_phy = to_phy(dev);

	struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);

	int err = 0;



	err = ufs_qcom_phy_remove(generic_phy, ufs_qcom_phy);

	if (err)

		dev_err(dev, "%s: ufs_qcom_phy_remove failed = %d\n",

			__func__, err);



	return err;

}



static const struct of_device_id ufs_qcom_phy_qmp_20nm_of_match[] = {

	{.compatible = "qcom,ufs-phy-qmp-20nm"},

	{},

};

MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_20nm_of_match);



static struct platform_driver ufs_qcom_phy_qmp_20nm_driver = {

	.probe = ufs_qcom_phy_qmp_20nm_probe,

	.remove = ufs_qcom_phy_qmp_20nm_remove,

	.driver = {

		.of_match_table = ufs_qcom_phy_qmp_20nm_of_match,

		.name = "ufs_qcom_phy_qmp_20nm",

		.owner = THIS_MODULE,

	},

};



module_platform_driver(ufs_qcom_phy_qmp_20nm_driver);



MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 20nm");

MODULE_LICENSE("GPL v2");

drivers/phy/phy-qcom-ufs-qmp-20nm.h

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/*

 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#ifndef UFS_QCOM_PHY_QMP_20NM_H_

#define UFS_QCOM_PHY_QMP_20NM_H_



#include "phy-qcom-ufs-i.h"



/* QCOM UFS PHY control registers */



#define COM_OFF(x)     (0x000 + x)

#define PHY_OFF(x)     (0xC00 + x)

#define TX_OFF(n, x)   (0x400 + (0x400 * n) + x)

#define RX_OFF(n, x)   (0x600 + (0x400 * n) + x)



/* UFS PHY PLL block registers */

#define QSERDES_COM_SYS_CLK_CTRL		COM_OFF(0x0)

#define QSERDES_COM_PLL_VCOTAIL_EN		COM_OFF(0x04)

#define QSERDES_COM_PLL_CNTRL			COM_OFF(0x14)

#define QSERDES_COM_PLL_IP_SETI			COM_OFF(0x24)

#define QSERDES_COM_CORE_CLK_IN_SYNC_SEL	COM_OFF(0x28)

#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN		COM_OFF(0x30)

#define QSERDES_COM_PLL_CP_SETI			COM_OFF(0x34)

#define QSERDES_COM_PLL_IP_SETP			COM_OFF(0x38)

#define QSERDES_COM_PLL_CP_SETP			COM_OFF(0x3C)

#define QSERDES_COM_SYSCLK_EN_SEL_TXBAND	COM_OFF(0x48)

#define QSERDES_COM_RESETSM_CNTRL		COM_OFF(0x4C)

#define QSERDES_COM_RESETSM_CNTRL2		COM_OFF(0x50)

#define QSERDES_COM_PLLLOCK_CMP1		COM_OFF(0x90)

#define QSERDES_COM_PLLLOCK_CMP2		COM_OFF(0x94)

#define QSERDES_COM_PLLLOCK_CMP3		COM_OFF(0x98)

#define QSERDES_COM_PLLLOCK_CMP_EN		COM_OFF(0x9C)

#define QSERDES_COM_BGTC			COM_OFF(0xA0)

#define QSERDES_COM_DEC_START1			COM_OFF(0xAC)

#define QSERDES_COM_PLL_AMP_OS			COM_OFF(0xB0)

#define QSERDES_COM_RES_CODE_UP_OFFSET		COM_OFF(0xD8)

#define QSERDES_COM_RES_CODE_DN_OFFSET		COM_OFF(0xDC)

#define QSERDES_COM_DIV_FRAC_START1		COM_OFF(0x100)

#define QSERDES_COM_DIV_FRAC_START2		COM_OFF(0x104)

#define QSERDES_COM_DIV_FRAC_START3		COM_OFF(0x108)

#define QSERDES_COM_DEC_START2			COM_OFF(0x10C)

#define QSERDES_COM_PLL_RXTXEPCLK_EN		COM_OFF(0x110)

#define QSERDES_COM_PLL_CRCTRL			COM_OFF(0x114)

#define QSERDES_COM_PLL_CLKEPDIV		COM_OFF(0x118)



/* TX LANE n (0, 1) registers */

#define QSERDES_TX_EMP_POST1_LVL(n)		TX_OFF(n, 0x08)

#define QSERDES_TX_DRV_LVL(n)			TX_OFF(n, 0x0C)

#define QSERDES_TX_LANE_MODE(n)			TX_OFF(n, 0x54)



/* RX LANE n (0, 1) registers */

#define QSERDES_RX_CDR_CONTROL1(n)		RX_OFF(n, 0x0)

#define QSERDES_RX_CDR_CONTROL_HALF(n)		RX_OFF(n, 0x8)

#define QSERDES_RX_RX_EQ_GAIN1_LSB(n)		RX_OFF(n, 0xA8)

#define QSERDES_RX_RX_EQ_GAIN1_MSB(n)		RX_OFF(n, 0xAC)

#define QSERDES_RX_RX_EQ_GAIN2_LSB(n)		RX_OFF(n, 0xB0)

#define QSERDES_RX_RX_EQ_GAIN2_MSB(n)		RX_OFF(n, 0xB4)

#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(n)	RX_OFF(n, 0xBC)

#define QSERDES_RX_CDR_CONTROL_QUARTER(n)	RX_OFF(n, 0xC)

#define QSERDES_RX_SIGDET_CNTRL(n)		RX_OFF(n, 0x100)



/* UFS PHY registers */

#define UFS_PHY_PHY_START			PHY_OFF(0x00)

#define UFS_PHY_POWER_DOWN_CONTROL		PHY_OFF(0x4)

#define UFS_PHY_TX_LANE_ENABLE			PHY_OFF(0x44)

#define UFS_PHY_PWM_G1_CLK_DIVIDER		PHY_OFF(0x08)

#define UFS_PHY_PWM_G2_CLK_DIVIDER		PHY_OFF(0x0C)

#define UFS_PHY_PWM_G3_CLK_DIVIDER		PHY_OFF(0x10)

#define UFS_PHY_PWM_G4_CLK_DIVIDER		PHY_OFF(0x14)

#define UFS_PHY_CORECLK_PWM_G1_CLK_DIVIDER	PHY_OFF(0x34)

#define UFS_PHY_CORECLK_PWM_G2_CLK_DIVIDER	PHY_OFF(0x38)

#define UFS_PHY_CORECLK_PWM_G3_CLK_DIVIDER	PHY_OFF(0x3C)

#define UFS_PHY_CORECLK_PWM_G4_CLK_DIVIDER	PHY_OFF(0x40)

#define UFS_PHY_OMC_STATUS_RDVAL		PHY_OFF(0x68)

#define UFS_PHY_LINE_RESET_TIME			PHY_OFF(0x28)

#define UFS_PHY_LINE_RESET_GRANULARITY		PHY_OFF(0x2C)

#define UFS_PHY_TSYNC_RSYNC_CNTL		PHY_OFF(0x48)

#define UFS_PHY_PLL_CNTL			PHY_OFF(0x50)

#define UFS_PHY_TX_LARGE_AMP_DRV_LVL		PHY_OFF(0x54)

#define UFS_PHY_TX_SMALL_AMP_DRV_LVL		PHY_OFF(0x5C)

#define UFS_PHY_TX_LARGE_AMP_POST_EMP_LVL	PHY_OFF(0x58)

#define UFS_PHY_TX_SMALL_AMP_POST_EMP_LVL	PHY_OFF(0x60)

#define UFS_PHY_CFG_CHANGE_CNT_VAL		PHY_OFF(0x64)

#define UFS_PHY_RX_SYNC_WAIT_TIME		PHY_OFF(0x6C)

#define UFS_PHY_TX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xB4)

#define UFS_PHY_RX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xE0)

#define UFS_PHY_TX_MIN_STALL_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xB8)

#define UFS_PHY_RX_MIN_STALL_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xE4)

#define UFS_PHY_TX_MIN_SAVE_CONFIG_TIME_CAPABILITY	PHY_OFF(0xBC)

#define UFS_PHY_RX_MIN_SAVE_CONFIG_TIME_CAPABILITY	PHY_OFF(0xE8)

#define UFS_PHY_RX_PWM_BURST_CLOSURE_LENGTH_CAPABILITY	PHY_OFF(0xFC)

#define UFS_PHY_RX_MIN_ACTIVATETIME_CAPABILITY		PHY_OFF(0x100)

#define UFS_PHY_RX_SIGDET_CTRL3				PHY_OFF(0x14c)

#define UFS_PHY_RMMI_ATTR_CTRL			PHY_OFF(0x160)

#define UFS_PHY_RMMI_RX_CFGUPDT_L1	(1 << 7)

#define UFS_PHY_RMMI_TX_CFGUPDT_L1	(1 << 6)

#define UFS_PHY_RMMI_CFGWR_L1		(1 << 5)

#define UFS_PHY_RMMI_CFGRD_L1		(1 << 4)

#define UFS_PHY_RMMI_RX_CFGUPDT_L0	(1 << 3)

#define UFS_PHY_RMMI_TX_CFGUPDT_L0	(1 << 2)

#define UFS_PHY_RMMI_CFGWR_L0		(1 << 1)

#define UFS_PHY_RMMI_CFGRD_L0		(1 << 0)

#define UFS_PHY_RMMI_ATTRID			PHY_OFF(0x164)

#define UFS_PHY_RMMI_ATTRWRVAL			PHY_OFF(0x168)

#define UFS_PHY_RMMI_ATTRRDVAL_L0_STATUS	PHY_OFF(0x16C)

#define UFS_PHY_RMMI_ATTRRDVAL_L1_STATUS	PHY_OFF(0x170)

#define UFS_PHY_PCS_READY_STATUS		PHY_OFF(0x174)



#define UFS_PHY_TX_LANE_ENABLE_MASK		0x3



/*

 * This structure represents the 20nm specific phy.

 * common_cfg MUST remain the first field in this structure

 * in case extra fields are added. This way, when calling

 * get_ufs_qcom_phy() of generic phy, we can extract the

 * common phy structure (struct ufs_qcom_phy) out of it

 * regardless of the relevant specific phy.

 */

struct ufs_qcom_phy_qmp_20nm {

	struct ufs_qcom_phy common_cfg;

};



static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_2_0[] = {

	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),

	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x3f),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x1b),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x0f),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(0), 0x2F),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(0), 0x20),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(1), 0x2F),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(1), 0x20),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),

};



static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {

	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),

	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x2b),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x38),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x3c),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_UP_OFFSET, 0x02),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_DN_OFFSET, 0x02),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CNTRL, 0x40),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),

};



static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x98),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0x65),

	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x1e),

};



#endif

include/linux/phy/phy-qcom-ufs.h

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/*

 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#ifndef PHY_QCOM_UFS_H_

#define PHY_QCOM_UFS_H_



#include "phy.h"



/**

 * ufs_qcom_phy_enable_ref_clk() - Enable the phy

 * ref clock.

 * @phy: reference to a generic phy

 *

 * returns 0 for success, and non-zero for error.

 */

int ufs_qcom_phy_enable_ref_clk(struct phy *phy);



/**

 * ufs_qcom_phy_disable_ref_clk() - Disable the phy

 * ref clock.

 * @phy: reference to a generic phy.

 */

void ufs_qcom_phy_disable_ref_clk(struct phy *phy);



/**

 * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device

 * ref clock.

 * @phy: reference to a generic phy.

 */

void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);



/**

 * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device

 * ref clock.

 * @phy: reference to a generic phy.

 */

void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);



int ufs_qcom_phy_enable_iface_clk(struct phy *phy);

void ufs_qcom_phy_disable_iface_clk(struct phy *phy);

int ufs_qcom_phy_start_serdes(struct phy *phy);

int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);

int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);

int ufs_qcom_phy_is_pcs_ready(struct phy *phy);

void ufs_qcom_phy_save_controller_version(struct phy *phy,

			u8 major, u16 minor, u16 step);



#endif /* PHY_QCOM_UFS_H_ */