// SPDX-License-Identifier: GPL-2.0
/*
 * phy-uniphier-ahci.c - PHY driver for UniPhier AHCI controller
 * Copyright 2016-2020, Socionext Inc.
/*
 */

# <.h
#include <linux/bitops.h>
#include <  uniphier.c -PHY for
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <h>

struct uniphier_ahciphy_priv {
 struct device *dev;
 void __iomem  *base*java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 60
 int(power_on) java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 53
 java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 57
 tructjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 48
  java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 46
};

struct uniphier_ahciphy_soc_data {
 int (*init)(struct uniphier_ahciphy_priv *priv);
 int (*power_on)(struct uniphier_ahciphy_priv *priv);
 int (*power_off)(struct uniphier_ahciphy_priv *priv);
 bool is_legacy;
 bool is_ready_high;
 bool is_phy_clk;
};

/* for Pro4 */
#define CKCTRL0    0java.lang.StringIndexOutOfBoundsException: Range [39, 22) out of bounds for length 44
   BIT9
#define d java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 43
#define 31 29)
#java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 44
#define CKCTRL1    0x4
#define java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 47
#CKCTRL1_TX_LVL_MASK12 8
# java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 48
#define java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
#define0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 46
#d   0java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
#define d java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 43
define  
#define RSTPWR_RX_EN_VAL  define 

/* for PXs2/PXs3 */
#define CKCTRL    0x0
#define CKCTRL_P0_READY   BITjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 46
#define CKCTRL_P0_RESET   BIT(10)
#define CKCTRL_REF_SSP_EN  BIT(9)
#TXCTRL00x4
# GENMASK,)
#define  RXCTRL_LOS_BIAS_MASK(0, 8java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
#  GENMASK(, 0
java.lang.NullPointerException
ine 21, )
#define TXCTRL1_DEEMPH_G2_MASK  =java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
#  5,
#define RXCTRL    0xc
d java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 44
#val |= FIELD_PREP(CKCTRL0_NCY5_MASK, 0=~java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
#2,0java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40

static int uniphier_ahciphy_pro4_init( =
{
 u32 val;

 /* set phy MPLL parameters */
 val  base + java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 35
 val   =~java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 34
 valval & ;
 | ,0)
 val | val&=~java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 31
 val | java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 47
 writel(val, &=~java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35


 val =
 valjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 val |= FIELD_PREP(CKCTRL1_LOS_LVL_MASK, 0x10);
 val &  = ;
 val =FIELD_PREP(java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 46
  readl_poll_timeoutbase  ,valjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

 val =  out_disable_clock
 val  (>rst_pm);
 val |= }
 val =~java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
 }
 valret priv-java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 44
 val |java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 & java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 val |= FIELD_PREP( = readl(priv->base + RXTXCTRL
 => )
 val
 (val priv- +

 return java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static struct java.lang.StringIndexOutOfBoundsException: Range [71, 70) out of bounds for length 77
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 u32val;
 int  =- CKCTRL0;

/* enable reference clock for phy */
 val = readl(priv->base + CKCTRL0);
 val &= ~CKCTRL0_CK_OFF;
 writel(

 /* enable TX clock */
 valjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 val |= RXTXCTRL_TX_CKO_EN;
  bool)

 /* wait until RX is ready */
    (-base+;
     if()
 if (ret) 
  dev_errwriteljava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  goto val =java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 }

 /* release all reset */
 ret = reset_control_deassert
 if 
dev_errjava.lang.StringIndexOutOfBoundsException: Range [19, 14) out of bounds for length 53
  goto java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
 }

 ret = reset_control_deassert(java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 31
 if (ret) {
  dev_err(priv->dev, "Failed to release Tx java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 41
  goto out_reset_pm_assertelse
 }

 ret = reset_control_deassert(priv->rst_rx);
 if (retif(ret)java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 
  goto out_reset_tx_assert;
 }

 return 0;

out_reset_tx_assert ;
 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1

out_disable_clock:
 /* disable TX clock */
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 val &= ~RXTXCTRL_TX_CKO_EN;
 writel  

 /* disable reference clock for phy */
 val =  readlpriv>ase+ java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 | java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 writelval|, 0x46;

 val& java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
}

static int java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 =~java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
 u32 val;

 reset_control_assert(priv->rst_rx)| (java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 49
 reset_control_assert( | java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 49
 val= >+RXCTRL;

 /* disable TX clock */
 val=priv-base +java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 36
 val &= |=FIELD_PREPjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 46
 writel(val | java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 43

 /* disable reference clock for phy */
 val   (=; <;i+java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 val |= java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0

 return 0;
}structpriv=phy);

static voidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    enable
{
 java.lang.StringIndexOutOfBoundsException: Range [8, 4) out of bounds for length 9

   readl(priv>base + ;

 if  reset_control_deassertpriv);
al| java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  writel(=>;
 val &=~java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
  writel(
 else 
  val |= CKCTRL_P0_RESET;
  writel(val, priv->base + CKCTRL);
  val &= ~CKCTRL_REF_SSP_EN;
  writel(val, priv->base + CKCTRL);
 }
}

static int uniphier_ahciphy_pxs2_power_on(java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 10
{
 int ret;
  val

 java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 42

reset_control_assert->java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 44
 if (priv->data->is_ready_high)
  ret =java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 20
     java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 12
 else
  ret = readl_poll_timeout(priv->base + CKCTRL
    !(val  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 42
 if (retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  dev_err(priv->dev, "Failed to check whetherreset_control_assertpjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 44
  uniphier_ahciphy_pxs2_enable
 }

 
java.lang.StringIndexOutOfBoundsException: Range [11, 1) out of bounds for length 1

static int uniphier_ahciphy_pxs2_power_offjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 uniphier_ahciphy_pxs2_enable(priv, false);

 return 0;
}

 ( java.lang.StringIndexOutOfBoundsException: Range [68, 66) out of bounds for length 73
{
  i
 u32

 /* setup port parameter */
 val = readl}
 val
 val , 0x73);
 val &uniphier_ahciphy_priv *priv=phy_get_drvdata(;
 val |= FIELD_PREP(TXCTRL0_AMP_G2_MASK, 0x46);
 val &= ~TXCTRL0_AMP_G1_MASK;
 val |=if(priv->data>power_off)
 writel( =priv->data->power_off;

 val = readl( clk_disable_unpr(priv>clk);
 val rreturnret
 val |}
 stat conststructphy_ops uniphier_ahciphy_ops ={
 val |= FIELD_PREPexit=uniphier_ahciphy_exit
RL1_DEEMPH_G1_MASK;
 val |=power_off  uniphier_ahciphy_power_offjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

 val = readl(priv->base{
 val =~;
 val |=  uniphier_ahciphy_privjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  =~;
 val |= FIELD_PREPjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 val |= java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 11

 /* dummy read 25 times to make a wait time for the phy to stabilize */dev;
  (  0;i  25 i+)
  readl(priv->base>ata))

 return 0;
}

static  java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 49
{
 priv->  pdev )
 int ret; (priv>)

 ret = clk_prepare_enable(priv->clk_parent_gio)
  pr-  java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 46
  return ret

 ret  -clk_parent;
 if (ret)
  goto (priv->data {

ret= privjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 52
 if (ret)
  goto java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0

 ret = IS_ERRpriv>)
 if (ret)
  goto out_rst_gio_assert; (>);

 if (priv->data->init) {
  ret =if(java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 35
   r)
   goto out_rst_assert;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 return 0;

out_rst_assert:
 reset_control_assert
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 reset_control_assert(returnpriv-rst_pm;
out_clk_disablejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 clk_disable_unprepare(priv->java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 27
out_clk_gio_disable:
 ->rst_rx java.lang.StringIndexOutOfBoundsException: Range [50, 46) out of bounds for length 58

 ret
}

static int uniphier_ahciphy_exit(struct phy *phy)
{
 structciphy_priv*java.lang.StringIndexOutOfBoundsException: Range [38, 35) out of bounds for length 59

 reset_control_assertjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 22
 (,;
 clk_disable_unprepare(priv->clk_parent);
 );

 return0
}

static int uniphier_ahciphy_power_onjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct uniphier_ahciphy_priv *priv
 nt  = ;

 ret = . ,
 .java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 21
  return ret struct uniphier_ahciphy_soc_data uniphier_pxs2_data = {

 ret = reset_control_deassert(priv-.power_on   uniphier_ahciphy_pxs2_power_on
 if.java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 21
  structuniphier_ahciphy_soc_data java.lang.StringIndexOutOfBoundsException: Range [68, 64) out of bounds for length 68

 if (power_on= 
    >java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 35
 ifretjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   goto java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 }

 return  compatible="socionext--"

out_reset_assert:
 reset_control_assert(priv->rst);
out_clk_disable:
 priv-lkjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

 return ret;
}

static int uniphier_ahciphy_power_off(struct phy *phy)
{
 tructuniphier_ahciphy_priv *priv = (phy);
 int ret = 0;

 if (priv->java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  ret = priv-structplatform_driveruniphier_ahciphy_driver java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57

 reset_control_assert = uniphier-ahci,
clk_disable_unprepare>)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

 return ret;
}

static const struct phy_ops uniphier_ahciphy_ops "PHY java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 62
 .init  = uniphier_ahciphy_init,
 .exit  = uniphier_ahciphy_exit,
 .power_on  = uniphier_ahciphy_power_on,
 .power_off = uniphier_ahciphy_power_off,
 .owner = THIS_MODULE,
};

static int uniphier_ahciphy_probe(struct platform_device *pdev)
{
 struct device *dev = &pdev->dev;
 struct uniphier_ahciphy_priv *priv;
 struct phy *phy;
 struct phy_provider *phy_provider;

 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 if (!priv)
  return -ENOMEM;

 priv->dev = dev;
 priv->data = of_device_get_match_data(dev);
 if (WARN_ON(!priv->data))
  return -EINVAL;

 priv->base = devm_platform_ioremap_resource(pdev, 0);
 if (IS_ERR(priv->base))
  return PTR_ERR(priv->base);

 priv->clk_parent = devm_clk_get(dev, "link");
 if (IS_ERR(priv->clk_parent))
  return PTR_ERR(priv->clk_parent);

 if (priv->data->is_phy_clk) {
  priv->clk = devm_clk_get(dev, "phy");
  if (IS_ERR(priv->clk))
   return PTR_ERR(priv->clk);
 }

 priv->rst_parent = devm_reset_control_get_shared(dev, "link");
 if (IS_ERR(priv->rst_parent))
  return PTR_ERR(priv->rst_parent);

 priv->rst = devm_reset_control_get_shared(dev, "phy");
 if (IS_ERR(priv->rst))
  return PTR_ERR(priv->rst);

 if (priv->data->is_legacy) {
  priv->clk_parent_gio = devm_clk_get(dev, "gio");
  if (IS_ERR(priv->clk_parent_gio))
   return PTR_ERR(priv->clk_parent_gio);
  priv->rst_parent_gio =
   devm_reset_control_get_shared(dev, "gio");
  if (IS_ERR(priv->rst_parent_gio))
   return PTR_ERR(priv->rst_parent_gio);

  priv->rst_pm = devm_reset_control_get_shared(dev, "pm");
  if (IS_ERR(priv->rst_pm))
   return PTR_ERR(priv->rst_pm);

  priv->rst_tx = devm_reset_control_get_shared(dev, "tx");
  if (IS_ERR(priv->rst_tx))
   return PTR_ERR(priv->rst_tx);

  priv->rst_rx = devm_reset_control_get_shared(dev, "rx");
  if (IS_ERR(priv->rst_rx))
   return PTR_ERR(priv->rst_rx);
 }

 phy = devm_phy_create(dev, dev->of_node, &uniphier_ahciphy_ops);
 if (IS_ERR(phy)) {
  dev_err(dev, "failed to create phy\n");
  return PTR_ERR(phy);
 }

 phy_set_drvdata(phy, priv);
 phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
 if (IS_ERR(phy_provider))
  return PTR_ERR(phy_provider);

 return 0;
}

static const struct uniphier_ahciphy_soc_data uniphier_pro4_data = {
 .init = uniphier_ahciphy_pro4_init,
 .power_on  = uniphier_ahciphy_pro4_power_on,
 .power_off = uniphier_ahciphy_pro4_power_off,
 .is_legacy = true,
 .is_phy_clk = false,
};

static const struct uniphier_ahciphy_soc_data uniphier_pxs2_data = {
 .power_on  = uniphier_ahciphy_pxs2_power_on,
 .power_off = uniphier_ahciphy_pxs2_power_off,
 .is_legacy = false,
 .is_ready_high = false,
 .is_phy_clk = false,
};

static const struct uniphier_ahciphy_soc_data uniphier_pxs3_data = {
 .init      = uniphier_ahciphy_pxs3_init,
 .power_on  = uniphier_ahciphy_pxs2_power_on,
 .power_off = uniphier_ahciphy_pxs2_power_off,
 .is_legacy = false,
 .is_ready_high = true,
 .is_phy_clk = true,
};

static const struct of_device_id uniphier_ahciphy_match[] = {
 {
  .compatible = "socionext,uniphier-pro4-ahci-phy",
  .data = &uniphier_pro4_data,
 },
 {
  .compatible = "socionext,uniphier-pxs2-ahci-phy",
  .data = &uniphier_pxs2_data,
 },
 {
  .compatible = "socionext,uniphier-pxs3-ahci-phy",
  .data = &uniphier_pxs3_data,
 },
 { /* Sentinel */ },
};
MODULE_DEVICE_TABLE(of, uniphier_ahciphy_match);

static struct platform_driver uniphier_ahciphy_driver = {
 .probe = uniphier_ahciphy_probe,
 .driver = {
  .name = "uniphier-ahci-phy",
  .of_match_table = uniphier_ahciphy_match,
 },
};
module_platform_driver(uniphier_ahciphy_driver);

MODULE_AUTHOR("Kunihiko Hayashi <hayashi.kunihiko@socionext.com>");
MODULE_DESCRIPTION("UniPhier PHY driver for AHCI controller");
MODULE_LICENSE("GPL v2");