drivers/net/phy/marvell.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * drivers/net/phy/marvell.c
   4  *
   5  * Driver for Marvell PHYs
   6  *
   7  * Author: Andy Fleming
   8  *
   9  * Copyright (c) 2004 Freescale Semiconductor, Inc.
  10  *
  11  * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
  12  */
  13 #include <linux/kernel.h>
  14 #include <linux/string.h>
  15 #include <linux/ctype.h>
  16 #include <linux/errno.h>
  17 #include <linux/unistd.h>
  18 #include <linux/hwmon.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/init.h>
  21 #include <linux/delay.h>
  22 #include <linux/netdevice.h>
  23 #include <linux/etherdevice.h>
  24 #include <linux/skbuff.h>
  25 #include <linux/spinlock.h>
  26 #include <linux/mm.h>
  27 #include <linux/module.h>
  28 #include <linux/mii.h>
  29 #include <linux/ethtool.h>
  30 #include <linux/phy.h>
  31 #include <linux/marvell_phy.h>
  32 #include <linux/bitfield.h>
  33 #include <linux/of.h>
  34
  35 #include <linux/io.h>
  36 #include <asm/irq.h>
  37 #include <linux/uaccess.h>
  38
  39 #define MII_MARVELL_PHY_PAGE            22
  40 #define MII_MARVELL_COPPER_PAGE         0x00
  41 #define MII_MARVELL_FIBER_PAGE          0x01
  42 #define MII_MARVELL_MSCR_PAGE           0x02
  43 #define MII_MARVELL_LED_PAGE            0x03
  44 #define MII_MARVELL_MISC_TEST_PAGE      0x06
  45 #define MII_MARVELL_WOL_PAGE            0x11
  46
  47 #define MII_M1011_IEVENT                0x13
  48 #define MII_M1011_IEVENT_CLEAR          0x0000
  49
  50 #define MII_M1011_IMASK                 0x12
  51 #define MII_M1011_IMASK_INIT            0x6400
  52 #define MII_M1011_IMASK_CLEAR           0x0000
  53
  54 #define MII_M1011_PHY_SCR                       0x10
  55 #define MII_M1011_PHY_SCR_DOWNSHIFT_EN          BIT(11)
  56 #define MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT       12
  57 #define MII_M1011_PHY_SRC_DOWNSHIFT_MASK        0x7800
  58 #define MII_M1011_PHY_SCR_MDI                   (0x0 << 5)
  59 #define MII_M1011_PHY_SCR_MDI_X                 (0x1 << 5)
  60 #define MII_M1011_PHY_SCR_AUTO_CROSS            (0x3 << 5)
  61
  62 #define MII_M1111_PHY_LED_CONTROL       0x18
  63 #define MII_M1111_PHY_LED_DIRECT        0x4100
  64 #define MII_M1111_PHY_LED_COMBINE       0x411c
  65 #define MII_M1111_PHY_EXT_CR            0x14
  66 #define MII_M1111_RGMII_RX_DELAY        BIT(7)
  67 #define MII_M1111_RGMII_TX_DELAY        BIT(1)
  68 #define MII_M1111_PHY_EXT_SR            0x1b
  69
  70 #define MII_M1111_HWCFG_MODE_MASK               0xf
  71 #define MII_M1111_HWCFG_MODE_FIBER_RGMII        0x3
  72 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK       0x4
  73 #define MII_M1111_HWCFG_MODE_RTBI               0x7
  74 #define MII_M1111_HWCFG_MODE_COPPER_RTBI        0x9
  75 #define MII_M1111_HWCFG_MODE_COPPER_RGMII       0xb
  76 #define MII_M1111_HWCFG_FIBER_COPPER_RES        BIT(13)
  77 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO       BIT(15)
  78
  79 #define MII_88E1121_PHY_MSCR_REG        21
  80 #define MII_88E1121_PHY_MSCR_RX_DELAY   BIT(5)
  81 #define MII_88E1121_PHY_MSCR_TX_DELAY   BIT(4)
  82 #define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
  83
  84 #define MII_88E1121_MISC_TEST                           0x1a
  85 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK       0x1f00
  86 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT      8
  87 #define MII_88E1510_MISC_TEST_TEMP_IRQ_EN               BIT(7)
  88 #define MII_88E1510_MISC_TEST_TEMP_IRQ                  BIT(6)
  89 #define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN            BIT(5)
  90 #define MII_88E1121_MISC_TEST_TEMP_MASK                 0x1f
  91
  92 #define MII_88E1510_TEMP_SENSOR         0x1b
  93 #define MII_88E1510_TEMP_SENSOR_MASK    0xff
  94
  95 #define MII_88E1540_COPPER_CTRL3        0x1a
  96 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK   GENMASK(11, 10)
  97 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS   0
  98 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS   1
  99 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS   2
 100 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS   3
 101 #define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN         BIT(9)
 102
 103 #define MII_88E6390_MISC_TEST           0x1b
 104 #define MII_88E6390_MISC_TEST_SAMPLE_1S         0
 105 #define MII_88E6390_MISC_TEST_SAMPLE_10MS       BIT(14)
 106 #define MII_88E6390_MISC_TEST_SAMPLE_DISABLE    BIT(15)
 107 #define MII_88E6390_MISC_TEST_SAMPLE_ENABLE     0
 108 #define MII_88E6390_MISC_TEST_SAMPLE_MASK       (0x3 << 14)
 109
 110 #define MII_88E6390_TEMP_SENSOR         0x1c
 111 #define MII_88E6390_TEMP_SENSOR_MASK    0xff
 112 #define MII_88E6390_TEMP_SENSOR_SAMPLES 10
 113
 114 #define MII_88E1318S_PHY_MSCR1_REG      16
 115 #define MII_88E1318S_PHY_MSCR1_PAD_ODD  BIT(6)
 116
 117 /* Copper Specific Interrupt Enable Register */
 118 #define MII_88E1318S_PHY_CSIER                          0x12
 119 /* WOL Event Interrupt Enable */
 120 #define MII_88E1318S_PHY_CSIER_WOL_EIE                  BIT(7)
 121
 122 /* LED Timer Control Register */
 123 #define MII_88E1318S_PHY_LED_TCR                        0x12
 124 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT              BIT(15)
 125 #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE            BIT(7)
 126 #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW         BIT(11)
 127
 128 /* Magic Packet MAC address registers */
 129 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2             0x17
 130 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1             0x18
 131 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0             0x19
 132
 133 #define MII_88E1318S_PHY_WOL_CTRL                               0x10
 134 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS              BIT(12)
 135 #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE     BIT(14)
 136
 137 #define MII_PHY_LED_CTRL                16
 138 #define MII_88E1121_PHY_LED_DEF         0x0030
 139 #define MII_88E1510_PHY_LED_DEF         0x1177
 140 #define MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE   0x1040
 141
 142 #define MII_M1011_PHY_STATUS            0x11
 143 #define MII_M1011_PHY_STATUS_1000       0x8000
 144 #define MII_M1011_PHY_STATUS_100        0x4000
 145 #define MII_M1011_PHY_STATUS_SPD_MASK   0xc000
 146 #define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
 147 #define MII_M1011_PHY_STATUS_RESOLVED   0x0800
 148 #define MII_M1011_PHY_STATUS_LINK       0x0400
 149
 150 #define MII_88E3016_PHY_SPEC_CTRL       0x10
 151 #define MII_88E3016_DISABLE_SCRAMBLER   0x0200
 152 #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
 153
 154 #define MII_88E1510_GEN_CTRL_REG_1              0x14
 155 #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK    0x7
 156 #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII   0x1     /* SGMII to copper */
 157 #define MII_88E1510_GEN_CTRL_REG_1_RESET        0x8000  /* Soft reset */
 158
 159 #define LPA_FIBER_1000HALF      0x40
 160 #define LPA_FIBER_1000FULL      0x20
 161
 162 #define LPA_PAUSE_FIBER         0x180
 163 #define LPA_PAUSE_ASYM_FIBER    0x100
 164
 165 #define ADVERTISE_FIBER_1000HALF        0x40
 166 #define ADVERTISE_FIBER_1000FULL        0x20
 167
 168 #define ADVERTISE_PAUSE_FIBER           0x180
 169 #define ADVERTISE_PAUSE_ASYM_FIBER      0x100
 170
 171 #define REGISTER_LINK_STATUS    0x400
 172 #define NB_FIBER_STATS  1
 173
 174 MODULE_DESCRIPTION("Marvell PHY driver");
 175 MODULE_AUTHOR("Andy Fleming");
 176 MODULE_LICENSE("GPL");
 177
 178 struct marvell_hw_stat {
 179         const char *string;
 180         u8 page;
 181         u8 reg;
 182         u8 bits;
 183 };
 184
 185 static struct marvell_hw_stat marvell_hw_stats[] = {
 186         { "phy_receive_errors_copper", 0, 21, 16},
 187         { "phy_idle_errors", 0, 10, 8 },
 188         { "phy_receive_errors_fiber", 1, 21, 16},
 189 };
 190
 191 struct marvell_priv {
 192         u64 stats[ARRAY_SIZE(marvell_hw_stats)];
 193         char *hwmon_name;
 194         struct device *hwmon_dev;
 195 };
 196
 197 static int marvell_read_page(struct phy_device *phydev)
 198 {
 199         return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
 200 }
 201
 202 static int marvell_write_page(struct phy_device *phydev, int page)
 203 {
 204         return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
 205 }
 206
 207 static int marvell_set_page(struct phy_device *phydev, int page)
 208 {
 209         return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
 210 }
 211
 212 static int marvell_ack_interrupt(struct phy_device *phydev)
 213 {
 214         int err;
 215
 216         /* Clear the interrupts by reading the reg */
 217         err = phy_read(phydev, MII_M1011_IEVENT);
 218
 219         if (err < 0)
 220                 return err;
 221
 222         return 0;
 223 }
 224
 225 static int marvell_config_intr(struct phy_device *phydev)
 226 {
 227         int err;
 228
 229         if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 230                 err = phy_write(phydev, MII_M1011_IMASK,
 231                                 MII_M1011_IMASK_INIT);
 232         else
 233                 err = phy_write(phydev, MII_M1011_IMASK,
 234                                 MII_M1011_IMASK_CLEAR);
 235
 236         return err;
 237 }
 238
 239 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
 240 {
 241         int reg;
 242         int err;
 243         int val;
 244
 245         /* get the current settings */
 246         reg = phy_read(phydev, MII_M1011_PHY_SCR);
 247         if (reg < 0)
 248                 return reg;
 249
 250         val = reg;
 251         val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
 252         switch (polarity) {
 253         case ETH_TP_MDI:
 254                 val |= MII_M1011_PHY_SCR_MDI;
 255                 break;
 256         case ETH_TP_MDI_X:
 257                 val |= MII_M1011_PHY_SCR_MDI_X;
 258                 break;
 259         case ETH_TP_MDI_AUTO:
 260         case ETH_TP_MDI_INVALID:
 261         default:
 262                 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
 263                 break;
 264         }
 265
 266         if (val != reg) {
 267                 /* Set the new polarity value in the register */
 268                 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
 269                 if (err)
 270                         return err;
 271         }
 272
 273         return val != reg;
 274 }
 275
 276 static int marvell_set_downshift(struct phy_device *phydev, bool enable,
 277                                  u8 retries)
 278 {
 279         int reg;
 280
 281         reg = phy_read(phydev, MII_M1011_PHY_SCR);
 282         if (reg < 0)
 283                 return reg;
 284
 285         reg &= MII_M1011_PHY_SRC_DOWNSHIFT_MASK;
 286         reg |= ((retries - 1) << MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT);
 287         if (enable)
 288                 reg |= MII_M1011_PHY_SCR_DOWNSHIFT_EN;
 289
 290         return phy_write(phydev, MII_M1011_PHY_SCR, reg);
 291 }
 292
 293 static int marvell_config_aneg(struct phy_device *phydev)
 294 {
 295         int changed = 0;
 296         int err;
 297
 298         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 299         if (err < 0)
 300                 return err;
 301
 302         changed = err;
 303
 304         err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
 305                         MII_M1111_PHY_LED_DIRECT);
 306         if (err < 0)
 307                 return err;
 308
 309         err = genphy_config_aneg(phydev);
 310         if (err < 0)
 311                 return err;
 312
 313         if (phydev->autoneg != AUTONEG_ENABLE || changed) {
 314                 /* A write to speed/duplex bits (that is performed by
 315                  * genphy_config_aneg() call above) must be followed by
 316                  * a software reset. Otherwise, the write has no effect.
 317                  */
 318                 err = genphy_soft_reset(phydev);
 319                 if (err < 0)
 320                         return err;
 321         }
 322
 323         return 0;
 324 }
 325
 326 static int m88e1101_config_aneg(struct phy_device *phydev)
 327 {
 328         int err;
 329
 330         /* This Marvell PHY has an errata which requires
 331          * that certain registers get written in order
 332          * to restart autonegotiation
 333          */
 334         err = genphy_soft_reset(phydev);
 335         if (err < 0)
 336                 return err;
 337
 338         err = phy_write(phydev, 0x1d, 0x1f);
 339         if (err < 0)
 340                 return err;
 341
 342         err = phy_write(phydev, 0x1e, 0x200c);
 343         if (err < 0)
 344                 return err;
 345
 346         err = phy_write(phydev, 0x1d, 0x5);
 347         if (err < 0)
 348                 return err;
 349
 350         err = phy_write(phydev, 0x1e, 0);
 351         if (err < 0)
 352                 return err;
 353
 354         err = phy_write(phydev, 0x1e, 0x100);
 355         if (err < 0)
 356                 return err;
 357
 358         return marvell_config_aneg(phydev);
 359 }
 360
 361 #ifdef CONFIG_OF_MDIO
 362 /* Set and/or override some configuration registers based on the
 363  * marvell,reg-init property stored in the of_node for the phydev.
 364  *
 365  * marvell,reg-init = <reg-page reg mask value>,...;
 366  *
 367  * There may be one or more sets of <reg-page reg mask value>:
 368  *
 369  * reg-page: which register bank to use.
 370  * reg: the register.
 371  * mask: if non-zero, ANDed with existing register value.
 372  * value: ORed with the masked value and written to the regiser.
 373  *
 374  */
 375 static int marvell_of_reg_init(struct phy_device *phydev)
 376 {
 377         const __be32 *paddr;
 378         int len, i, saved_page, current_page, ret = 0;
 379
 380         if (!phydev->mdio.dev.of_node)
 381                 return 0;
 382
 383         paddr = of_get_property(phydev->mdio.dev.of_node,
 384                                 "marvell,reg-init", &len);
 385         if (!paddr || len < (4 * sizeof(*paddr)))
 386                 return 0;
 387
 388         saved_page = phy_save_page(phydev);
 389         if (saved_page < 0)
 390                 goto err;
 391         current_page = saved_page;
 392
 393         len /= sizeof(*paddr);
 394         for (i = 0; i < len - 3; i += 4) {
 395                 u16 page = be32_to_cpup(paddr + i);
 396                 u16 reg = be32_to_cpup(paddr + i + 1);
 397                 u16 mask = be32_to_cpup(paddr + i + 2);
 398                 u16 val_bits = be32_to_cpup(paddr + i + 3);
 399                 int val;
 400
 401                 if (page != current_page) {
 402                         current_page = page;
 403                         ret = marvell_write_page(phydev, page);
 404                         if (ret < 0)
 405                                 goto err;
 406                 }
 407
 408                 val = 0;
 409                 if (mask) {
 410                         val = __phy_read(phydev, reg);
 411                         if (val < 0) {
 412                                 ret = val;
 413                                 goto err;
 414                         }
 415                         val &= mask;
 416                 }
 417                 val |= val_bits;
 418
 419                 ret = __phy_write(phydev, reg, val);
 420                 if (ret < 0)
 421                         goto err;
 422         }
 423 err:
 424         return phy_restore_page(phydev, saved_page, ret);
 425 }
 426 #else
 427 static int marvell_of_reg_init(struct phy_device *phydev)
 428 {
 429         return 0;
 430 }
 431 #endif /* CONFIG_OF_MDIO */
 432
 433 static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
 434 {
 435         int mscr;
 436
 437         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 438                 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
 439                        MII_88E1121_PHY_MSCR_TX_DELAY;
 440         else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
 441                 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
 442         else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
 443                 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
 444         else
 445                 mscr = 0;
 446
 447         return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
 448                                 MII_88E1121_PHY_MSCR_REG,
 449                                 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
 450 }
 451
 452 static int m88e1121_config_aneg(struct phy_device *phydev)
 453 {
 454         int changed = 0;
 455         int err = 0;
 456
 457         if (phy_interface_is_rgmii(phydev)) {
 458                 err = m88e1121_config_aneg_rgmii_delays(phydev);
 459                 if (err < 0)
 460                         return err;
 461         }
 462
 463         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 464         if (err < 0)
 465                 return err;
 466
 467         changed = err;
 468
 469         err = genphy_config_aneg(phydev);
 470         if (err < 0)
 471                 return err;
 472
 473         if (phydev->autoneg != AUTONEG_ENABLE || changed) {
 474                 /* A software reset is used to ensure a "commit" of the
 475                  * changes is done.
 476                  */
 477                 err = genphy_soft_reset(phydev);
 478                 if (err < 0)
 479                         return err;
 480         }
 481
 482         return 0;
 483 }
 484
 485 static int m88e1318_config_aneg(struct phy_device *phydev)
 486 {
 487         int err;
 488
 489         err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
 490                                MII_88E1318S_PHY_MSCR1_REG,
 491                                0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
 492         if (err < 0)
 493                 return err;
 494
 495         return m88e1121_config_aneg(phydev);
 496 }
 497
 498 /**
 499  * linkmode_adv_to_fiber_adv_t
 500  * @advertise: the linkmode advertisement settings
 501  *
 502  * A small helper function that translates linkmode advertisement
 503  * settings to phy autonegotiation advertisements for the MII_ADV
 504  * register for fiber link.
 505  */
 506 static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise)
 507 {
 508         u32 result = 0;
 509
 510         if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise))
 511                 result |= ADVERTISE_FIBER_1000HALF;
 512         if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise))
 513                 result |= ADVERTISE_FIBER_1000FULL;
 514
 515         if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) &&
 516             linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
 517                 result |= LPA_PAUSE_ASYM_FIBER;
 518         else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
 519                 result |= (ADVERTISE_PAUSE_FIBER
 520                            & (~ADVERTISE_PAUSE_ASYM_FIBER));
 521
 522         return result;
 523 }
 524
 525 /**
 526  * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
 527  * @phydev: target phy_device struct
 528  *
 529  * Description: If auto-negotiation is enabled, we configure the
 530  *   advertising, and then restart auto-negotiation.  If it is not
 531  *   enabled, then we write the BMCR. Adapted for fiber link in
 532  *   some Marvell's devices.
 533  */
 534 static int marvell_config_aneg_fiber(struct phy_device *phydev)
 535 {
 536         int changed = 0;
 537         int err;
 538         int adv, oldadv;
 539
 540         if (phydev->autoneg != AUTONEG_ENABLE)
 541                 return genphy_setup_forced(phydev);
 542
 543         /* Only allow advertising what this PHY supports */
 544         linkmode_and(phydev->advertising, phydev->advertising,
 545                      phydev->supported);
 546
 547         /* Setup fiber advertisement */
 548         adv = phy_read(phydev, MII_ADVERTISE);
 549         if (adv < 0)
 550                 return adv;
 551
 552         oldadv = adv;
 553         adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
 554                 | LPA_PAUSE_FIBER);
 555         adv |= linkmode_adv_to_fiber_adv_t(phydev->advertising);
 556
 557         if (adv != oldadv) {
 558                 err = phy_write(phydev, MII_ADVERTISE, adv);
 559                 if (err < 0)
 560                         return err;
 561
 562                 changed = 1;
 563         }
 564
 565         if (changed == 0) {
 566                 /* Advertisement hasn't changed, but maybe aneg was never on to
 567                  * begin with?  Or maybe phy was isolated?
 568                  */
 569                 int ctl = phy_read(phydev, MII_BMCR);
 570
 571                 if (ctl < 0)
 572                         return ctl;
 573
 574                 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
 575                         changed = 1; /* do restart aneg */
 576         }
 577
 578         /* Only restart aneg if we are advertising something different
 579          * than we were before.
 580          */
 581         if (changed > 0)
 582                 changed = genphy_restart_aneg(phydev);
 583
 584         return changed;
 585 }
 586
 587 static int m88e1510_config_aneg(struct phy_device *phydev)
 588 {
 589         int err;
 590
 591         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 592         if (err < 0)
 593                 goto error;
 594
 595         /* Configure the copper link first */
 596         err = m88e1318_config_aneg(phydev);
 597         if (err < 0)
 598                 goto error;
 599
 600         /* Do not touch the fiber page if we're in copper->sgmii mode */
 601         if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
 602                 return 0;
 603
 604         /* Then the fiber link */
 605         err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
 606         if (err < 0)
 607                 goto error;
 608
 609         err = marvell_config_aneg_fiber(phydev);
 610         if (err < 0)
 611                 goto error;
 612
 613         return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 614
 615 error:
 616         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 617         return err;
 618 }
 619
 620 static void marvell_config_led(struct phy_device *phydev)
 621 {
 622         u16 def_config;
 623         int err;
 624
 625         switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
 626         /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
 627         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
 628         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
 629                 def_config = MII_88E1121_PHY_LED_DEF;
 630                 break;
 631         /* Default PHY LED config:
 632          * LED[0] .. 1000Mbps Link
 633          * LED[1] .. 100Mbps Link
 634          * LED[2] .. Blink, Activity
 635          */
 636         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
 637                 if (phydev->dev_flags & MARVELL_PHY_LED0_LINK_LED1_ACTIVE)
 638                         def_config = MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE;
 639                 else
 640                         def_config = MII_88E1510_PHY_LED_DEF;
 641                 break;
 642         default:
 643                 return;
 644         }
 645
 646         err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
 647                               def_config);
 648         if (err < 0)
 649                 phydev_warn(phydev, "Fail to config marvell phy LED.\n");
 650 }
 651
 652 static int marvell_config_init(struct phy_device *phydev)
 653 {
 654         /* Set defalut LED */
 655         marvell_config_led(phydev);
 656
 657         /* Set registers from marvell,reg-init DT property */
 658         return marvell_of_reg_init(phydev);
 659 }
 660
 661 static int m88e1116r_config_init(struct phy_device *phydev)
 662 {
 663         int err;
 664
 665         err = genphy_soft_reset(phydev);
 666         if (err < 0)
 667                 return err;
 668
 669         msleep(500);
 670
 671         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 672         if (err < 0)
 673                 return err;
 674
 675         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 676         if (err < 0)
 677                 return err;
 678
 679         err = marvell_set_downshift(phydev, true, 8);
 680         if (err < 0)
 681                 return err;
 682
 683         if (phy_interface_is_rgmii(phydev)) {
 684                 err = m88e1121_config_aneg_rgmii_delays(phydev);
 685                 if (err < 0)
 686                         return err;
 687         }
 688
 689         err = genphy_soft_reset(phydev);
 690         if (err < 0)
 691                 return err;
 692
 693         return marvell_config_init(phydev);
 694 }
 695
 696 static int m88e3016_config_init(struct phy_device *phydev)
 697 {
 698         int ret;
 699
 700         /* Enable Scrambler and Auto-Crossover */
 701         ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
 702                          MII_88E3016_DISABLE_SCRAMBLER,
 703                          MII_88E3016_AUTO_MDIX_CROSSOVER);
 704         if (ret < 0)
 705                 return ret;
 706
 707         return marvell_config_init(phydev);
 708 }
 709
 710 static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
 711                                            u16 mode,
 712                                            int fibre_copper_auto)
 713 {
 714         if (fibre_copper_auto)
 715                 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 716
 717         return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
 718                           MII_M1111_HWCFG_MODE_MASK |
 719                           MII_M1111_HWCFG_FIBER_COPPER_AUTO |
 720                           MII_M1111_HWCFG_FIBER_COPPER_RES,
 721                           mode);
 722 }
 723
 724 static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
 725 {
 726         int delay;
 727
 728         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
 729                 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
 730         } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
 731                 delay = MII_M1111_RGMII_RX_DELAY;
 732         } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
 733                 delay = MII_M1111_RGMII_TX_DELAY;
 734         } else {
 735                 delay = 0;
 736         }
 737
 738         return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
 739                           MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
 740                           delay);
 741 }
 742
 743 static int m88e1111_config_init_rgmii(struct phy_device *phydev)
 744 {
 745         int temp;
 746         int err;
 747
 748         err = m88e1111_config_init_rgmii_delays(phydev);
 749         if (err < 0)
 750                 return err;
 751
 752         temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 753         if (temp < 0)
 754                 return temp;
 755
 756         temp &= ~(MII_M1111_HWCFG_MODE_MASK);
 757
 758         if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
 759                 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
 760         else
 761                 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
 762
 763         return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 764 }
 765
 766 static int m88e1111_config_init_sgmii(struct phy_device *phydev)
 767 {
 768         int err;
 769
 770         err = m88e1111_config_init_hwcfg_mode(
 771                 phydev,
 772                 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
 773                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 774         if (err < 0)
 775                 return err;
 776
 777         /* make sure copper is selected */
 778         return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 779 }
 780
 781 static int m88e1111_config_init_rtbi(struct phy_device *phydev)
 782 {
 783         int err;
 784
 785         err = m88e1111_config_init_rgmii_delays(phydev);
 786         if (err < 0)
 787                 return err;
 788
 789         err = m88e1111_config_init_hwcfg_mode(
 790                 phydev,
 791                 MII_M1111_HWCFG_MODE_RTBI,
 792                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 793         if (err < 0)
 794                 return err;
 795
 796         /* soft reset */
 797         err = genphy_soft_reset(phydev);
 798         if (err < 0)
 799                 return err;
 800
 801         return m88e1111_config_init_hwcfg_mode(
 802                 phydev,
 803                 MII_M1111_HWCFG_MODE_RTBI,
 804                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 805 }
 806
 807 static int m88e1111_config_init(struct phy_device *phydev)
 808 {
 809         int err;
 810
 811         if (phy_interface_is_rgmii(phydev)) {
 812                 err = m88e1111_config_init_rgmii(phydev);
 813                 if (err < 0)
 814                         return err;
 815         }
 816
 817         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 818                 err = m88e1111_config_init_sgmii(phydev);
 819                 if (err < 0)
 820                         return err;
 821         }
 822
 823         if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
 824                 err = m88e1111_config_init_rtbi(phydev);
 825                 if (err < 0)
 826                         return err;
 827         }
 828
 829         err = marvell_of_reg_init(phydev);
 830         if (err < 0)
 831                 return err;
 832
 833         return genphy_soft_reset(phydev);
 834 }
 835
 836 static int m88e1318_config_init(struct phy_device *phydev)
 837 {
 838         if (phy_interrupt_is_valid(phydev)) {
 839                 int err = phy_modify_paged(
 840                         phydev, MII_MARVELL_LED_PAGE,
 841                         MII_88E1318S_PHY_LED_TCR,
 842                         MII_88E1318S_PHY_LED_TCR_FORCE_INT,
 843                         MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
 844                         MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
 845                 if (err < 0)
 846                         return err;
 847         }
 848
 849         return marvell_config_init(phydev);
 850 }
 851
 852 static int m88e1510_config_init(struct phy_device *phydev)
 853 {
 854         int err;
 855
 856         /* SGMII-to-Copper mode initialization */
 857         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 858                 /* Select page 18 */
 859                 err = marvell_set_page(phydev, 18);
 860                 if (err < 0)
 861                         return err;
 862
 863                 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
 864                 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
 865                                  MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
 866                                  MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
 867                 if (err < 0)
 868                         return err;
 869
 870                 /* PHY reset is necessary after changing MODE[2:0] */
 871                 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0,
 872                                  MII_88E1510_GEN_CTRL_REG_1_RESET);
 873                 if (err < 0)
 874                         return err;
 875
 876                 /* Reset page selection */
 877                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 878                 if (err < 0)
 879                         return err;
 880         }
 881
 882         return m88e1318_config_init(phydev);
 883 }
 884
 885 static int m88e1118_config_aneg(struct phy_device *phydev)
 886 {
 887         int err;
 888
 889         err = genphy_soft_reset(phydev);
 890         if (err < 0)
 891                 return err;
 892
 893         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 894         if (err < 0)
 895                 return err;
 896
 897         err = genphy_config_aneg(phydev);
 898         return 0;
 899 }
 900
 901 static int m88e1118_config_init(struct phy_device *phydev)
 902 {
 903         int err;
 904
 905         /* Change address */
 906         err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
 907         if (err < 0)
 908                 return err;
 909
 910         /* Enable 1000 Mbit */
 911         err = phy_write(phydev, 0x15, 0x1070);
 912         if (err < 0)
 913                 return err;
 914
 915         /* Change address */
 916         err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
 917         if (err < 0)
 918                 return err;
 919
 920         /* Adjust LED Control */
 921         if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
 922                 err = phy_write(phydev, 0x10, 0x1100);
 923         else
 924                 err = phy_write(phydev, 0x10, 0x021e);
 925         if (err < 0)
 926                 return err;
 927
 928         err = marvell_of_reg_init(phydev);
 929         if (err < 0)
 930                 return err;
 931
 932         /* Reset address */
 933         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 934         if (err < 0)
 935                 return err;
 936
 937         return genphy_soft_reset(phydev);
 938 }
 939
 940 static int m88e1149_config_init(struct phy_device *phydev)
 941 {
 942         int err;
 943
 944         /* Change address */
 945         err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
 946         if (err < 0)
 947                 return err;
 948
 949         /* Enable 1000 Mbit */
 950         err = phy_write(phydev, 0x15, 0x1048);
 951         if (err < 0)
 952                 return err;
 953
 954         err = marvell_of_reg_init(phydev);
 955         if (err < 0)
 956                 return err;
 957
 958         /* Reset address */
 959         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 960         if (err < 0)
 961                 return err;
 962
 963         return genphy_soft_reset(phydev);
 964 }
 965
 966 static int m88e1145_config_init_rgmii(struct phy_device *phydev)
 967 {
 968         int err;
 969
 970         err = m88e1111_config_init_rgmii_delays(phydev);
 971         if (err < 0)
 972                 return err;
 973
 974         if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
 975                 err = phy_write(phydev, 0x1d, 0x0012);
 976                 if (err < 0)
 977                         return err;
 978
 979                 err = phy_modify(phydev, 0x1e, 0x0fc0,
 980                                  2 << 9 | /* 36 ohm */
 981                                  2 << 6); /* 39 ohm */
 982                 if (err < 0)
 983                         return err;
 984
 985                 err = phy_write(phydev, 0x1d, 0x3);
 986                 if (err < 0)
 987                         return err;
 988
 989                 err = phy_write(phydev, 0x1e, 0x8000);
 990         }
 991         return err;
 992 }
 993
 994 static int m88e1145_config_init_sgmii(struct phy_device *phydev)
 995 {
 996         return m88e1111_config_init_hwcfg_mode(
 997                 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
 998                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 999 }
1000
1001 static int m88e1145_config_init(struct phy_device *phydev)
1002 {
1003         int err;
1004
1005         /* Take care of errata E0 & E1 */
1006         err = phy_write(phydev, 0x1d, 0x001b);
1007         if (err < 0)
1008                 return err;
1009
1010         err = phy_write(phydev, 0x1e, 0x418f);
1011         if (err < 0)
1012                 return err;
1013
1014         err = phy_write(phydev, 0x1d, 0x0016);
1015         if (err < 0)
1016                 return err;
1017
1018         err = phy_write(phydev, 0x1e, 0xa2da);
1019         if (err < 0)
1020                 return err;
1021
1022         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1023                 err = m88e1145_config_init_rgmii(phydev);
1024                 if (err < 0)
1025                         return err;
1026         }
1027
1028         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1029                 err = m88e1145_config_init_sgmii(phydev);
1030                 if (err < 0)
1031                         return err;
1032         }
1033
1034         err = marvell_of_reg_init(phydev);
1035         if (err < 0)
1036                 return err;
1037
1038         return 0;
1039 }
1040
1041 static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
1042 {
1043         int val;
1044
1045         val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
1046         if (val < 0)
1047                 return val;
1048
1049         if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) {
1050                 *msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
1051                 return 0;
1052         }
1053
1054         val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1055
1056         switch (val) {
1057         case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS:
1058                 *msecs = 0;
1059                 break;
1060         case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS:
1061                 *msecs = 10;
1062                 break;
1063         case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS:
1064                 *msecs = 20;
1065                 break;
1066         case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS:
1067                 *msecs = 40;
1068                 break;
1069         default:
1070                 return -EINVAL;
1071         }
1072
1073         return 0;
1074 }
1075
1076 static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs)
1077 {
1078         struct ethtool_eee eee;
1079         int val, ret;
1080
1081         if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
1082                 return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
1083                                       MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1084
1085         /* According to the Marvell data sheet EEE must be disabled for
1086          * Fast Link Down detection to work properly
1087          */
1088         ret = phy_ethtool_get_eee(phydev, &eee);
1089         if (!ret && eee.eee_enabled) {
1090                 phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n");
1091                 return -EBUSY;
1092         }
1093
1094         if (*msecs <= 5)
1095                 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS;
1096         else if (*msecs <= 15)
1097                 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS;
1098         else if (*msecs <= 30)
1099                 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS;
1100         else
1101                 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS;
1102
1103         val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1104
1105         ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
1106                          MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1107         if (ret)
1108                 return ret;
1109
1110         return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,
1111                             MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1112 }
1113
1114 static int m88e1540_get_tunable(struct phy_device *phydev,
1115                                 struct ethtool_tunable *tuna, void *data)
1116 {
1117         switch (tuna->id) {
1118         case ETHTOOL_PHY_FAST_LINK_DOWN:
1119                 return m88e1540_get_fld(phydev, data);
1120         default:
1121                 return -EOPNOTSUPP;
1122         }
1123 }
1124
1125 static int m88e1540_set_tunable(struct phy_device *phydev,
1126                                 struct ethtool_tunable *tuna, const void *data)
1127 {
1128         switch (tuna->id) {
1129         case ETHTOOL_PHY_FAST_LINK_DOWN:
1130                 return m88e1540_set_fld(phydev, data);
1131         default:
1132                 return -EOPNOTSUPP;
1133         }
1134 }
1135
1136 /* The VOD can be out of specification on link up. Poke an
1137  * undocumented register, in an undocumented page, with a magic value
1138  * to fix this.
1139  */
1140 static int m88e6390_errata(struct phy_device *phydev)
1141 {
1142         int err;
1143
1144         err = phy_write(phydev, MII_BMCR,
1145                         BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
1146         if (err)
1147                 return err;
1148
1149         usleep_range(300, 400);
1150
1151         err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
1152         if (err)
1153                 return err;
1154
1155         return genphy_soft_reset(phydev);
1156 }
1157
1158 static int m88e6390_config_aneg(struct phy_device *phydev)
1159 {
1160         int err;
1161
1162         err = m88e6390_errata(phydev);
1163         if (err)
1164                 return err;
1165
1166         return m88e1510_config_aneg(phydev);
1167 }
1168
1169 /**
1170  * fiber_lpa_mod_linkmode_lpa_t
1171  * @advertising: the linkmode advertisement settings
1172  * @lpa: value of the MII_LPA register for fiber link
1173  *
1174  * A small helper function that translates MII_LPA bits to linkmode LP
1175  * advertisement settings. Other bits in advertising are left
1176  * unchanged.
1177  */
1178 static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
1179 {
1180         linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
1181                          advertising, lpa & LPA_FIBER_1000HALF);
1182
1183         linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1184                          advertising, lpa & LPA_FIBER_1000FULL);
1185 }
1186
1187 /**
1188  * marvell_update_link - update link status in real time in @phydev
1189  * @phydev: target phy_device struct
1190  *
1191  * Description: Update the value in phydev->link to reflect the
1192  *   current link value.
1193  */
1194 static int marvell_update_link(struct phy_device *phydev, int fiber)
1195 {
1196         int status;
1197
1198         /* Use the generic register for copper link, or specific
1199          * register for fiber case
1200          */
1201         if (fiber) {
1202                 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1203                 if (status < 0)
1204                         return status;
1205
1206                 if ((status & REGISTER_LINK_STATUS) == 0)
1207                         phydev->link = 0;
1208                 else
1209                         phydev->link = 1;
1210         } else {
1211                 return genphy_update_link(phydev);
1212         }
1213
1214         return 0;
1215 }
1216
1217 static int marvell_read_status_page_an(struct phy_device *phydev,
1218                                        int fiber)
1219 {
1220         int status;
1221         int lpa;
1222         int lpagb;
1223
1224         status = phy_read(phydev, MII_M1011_PHY_STATUS);
1225         if (status < 0)
1226                 return status;
1227
1228         lpa = phy_read(phydev, MII_LPA);
1229         if (lpa < 0)
1230                 return lpa;
1231
1232         lpagb = phy_read(phydev, MII_STAT1000);
1233         if (lpagb < 0)
1234                 return lpagb;
1235
1236         if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1237                 phydev->duplex = DUPLEX_FULL;
1238         else
1239                 phydev->duplex = DUPLEX_HALF;
1240
1241         status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1242         phydev->pause = 0;
1243         phydev->asym_pause = 0;
1244
1245         switch (status) {
1246         case MII_M1011_PHY_STATUS_1000:
1247                 phydev->speed = SPEED_1000;
1248                 break;
1249
1250         case MII_M1011_PHY_STATUS_100:
1251                 phydev->speed = SPEED_100;
1252                 break;
1253
1254         default:
1255                 phydev->speed = SPEED_10;
1256                 break;
1257         }
1258
1259         if (!fiber) {
1260                 mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
1261                 mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, lpagb);
1262
1263                 if (phydev->duplex == DUPLEX_FULL) {
1264                         phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1265                         phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1266                 }
1267         } else {
1268                 /* The fiber link is only 1000M capable */
1269                 fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
1270
1271                 if (phydev->duplex == DUPLEX_FULL) {
1272                         if (!(lpa & LPA_PAUSE_FIBER)) {
1273                                 phydev->pause = 0;
1274                                 phydev->asym_pause = 0;
1275                         } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1276                                 phydev->pause = 1;
1277                                 phydev->asym_pause = 1;
1278                         } else {
1279                                 phydev->pause = 1;
1280                                 phydev->asym_pause = 0;
1281                         }
1282                 }
1283         }
1284         return 0;
1285 }
1286
1287 static int marvell_read_status_page_fixed(struct phy_device *phydev)
1288 {
1289         int bmcr = phy_read(phydev, MII_BMCR);
1290
1291         if (bmcr < 0)
1292                 return bmcr;
1293
1294         if (bmcr & BMCR_FULLDPLX)
1295                 phydev->duplex = DUPLEX_FULL;
1296         else
1297                 phydev->duplex = DUPLEX_HALF;
1298
1299         if (bmcr & BMCR_SPEED1000)
1300                 phydev->speed = SPEED_1000;
1301         else if (bmcr & BMCR_SPEED100)
1302                 phydev->speed = SPEED_100;
1303         else
1304                 phydev->speed = SPEED_10;
1305
1306         phydev->pause = 0;
1307         phydev->asym_pause = 0;
1308         linkmode_zero(phydev->lp_advertising);
1309
1310         return 0;
1311 }
1312
1313 /* marvell_read_status_page
1314  *
1315  * Description:
1316  *   Check the link, then figure out the current state
1317  *   by comparing what we advertise with what the link partner
1318  *   advertises.  Start by checking the gigabit possibilities,
1319  *   then move on to 10/100.
1320  */
1321 static int marvell_read_status_page(struct phy_device *phydev, int page)
1322 {
1323         int fiber;
1324         int err;
1325
1326         /* Detect and update the link, but return if there
1327          * was an error
1328          */
1329         if (page == MII_MARVELL_FIBER_PAGE)
1330                 fiber = 1;
1331         else
1332                 fiber = 0;
1333
1334         err = marvell_update_link(phydev, fiber);
1335         if (err)
1336                 return err;
1337
1338         if (phydev->autoneg == AUTONEG_ENABLE)
1339                 err = marvell_read_status_page_an(phydev, fiber);
1340         else
1341                 err = marvell_read_status_page_fixed(phydev);
1342
1343         return err;
1344 }
1345
1346 /* marvell_read_status
1347  *
1348  * Some Marvell's phys have two modes: fiber and copper.
1349  * Both need status checked.
1350  * Description:
1351  *   First, check the fiber link and status.
1352  *   If the fiber link is down, check the copper link and status which
1353  *   will be the default value if both link are down.
1354  */
1355 static int marvell_read_status(struct phy_device *phydev)
1356 {
1357         int err;
1358
1359         /* Check the fiber mode first */
1360         if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1361                               phydev->supported) &&
1362             phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1363                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1364                 if (err < 0)
1365                         goto error;
1366
1367                 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1368                 if (err < 0)
1369                         goto error;
1370
1371                 /* If the fiber link is up, it is the selected and
1372                  * used link. In this case, we need to stay in the
1373                  * fiber page. Please to be careful about that, avoid
1374                  * to restore Copper page in other functions which
1375                  * could break the behaviour for some fiber phy like
1376                  * 88E1512.
1377                  */
1378                 if (phydev->link)
1379                         return 0;
1380
1381                 /* If fiber link is down, check and save copper mode state */
1382                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1383                 if (err < 0)
1384                         goto error;
1385         }
1386
1387         return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1388
1389 error:
1390         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1391         return err;
1392 }
1393
1394 /* marvell_suspend
1395  *
1396  * Some Marvell's phys have two modes: fiber and copper.
1397  * Both need to be suspended
1398  */
1399 static int marvell_suspend(struct phy_device *phydev)
1400 {
1401         int err;
1402
1403         /* Suspend the fiber mode first */
1404         if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1405                                phydev->supported)) {
1406                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1407                 if (err < 0)
1408                         goto error;
1409
1410                 /* With the page set, use the generic suspend */
1411                 err = genphy_suspend(phydev);
1412                 if (err < 0)
1413                         goto error;
1414
1415                 /* Then, the copper link */
1416                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1417                 if (err < 0)
1418                         goto error;
1419         }
1420
1421         /* With the page set, use the generic suspend */
1422         return genphy_suspend(phydev);
1423
1424 error:
1425         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1426         return err;
1427 }
1428
1429 /* marvell_resume
1430  *
1431  * Some Marvell's phys have two modes: fiber and copper.
1432  * Both need to be resumed
1433  */
1434 static int marvell_resume(struct phy_device *phydev)
1435 {
1436         int err;
1437
1438         /* Resume the fiber mode first */
1439         if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1440                                phydev->supported)) {
1441                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1442                 if (err < 0)
1443                         goto error;
1444
1445                 /* With the page set, use the generic resume */
1446                 err = genphy_resume(phydev);
1447                 if (err < 0)
1448                         goto error;
1449
1450                 /* Then, the copper link */
1451                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1452                 if (err < 0)
1453                         goto error;
1454         }
1455
1456         /* With the page set, use the generic resume */
1457         return genphy_resume(phydev);
1458
1459 error:
1460         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1461         return err;
1462 }
1463
1464 static int marvell_aneg_done(struct phy_device *phydev)
1465 {
1466         int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1467
1468         return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1469 }
1470
1471 static int m88e1121_did_interrupt(struct phy_device *phydev)
1472 {
1473         int imask;
1474
1475         imask = phy_read(phydev, MII_M1011_IEVENT);
1476
1477         if (imask & MII_M1011_IMASK_INIT)
1478                 return 1;
1479
1480         return 0;
1481 }
1482
1483 static void m88e1318_get_wol(struct phy_device *phydev,
1484                              struct ethtool_wolinfo *wol)
1485 {
1486         int oldpage, ret = 0;
1487
1488         wol->supported = WAKE_MAGIC;
1489         wol->wolopts = 0;
1490
1491         oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
1492         if (oldpage < 0)
1493                 goto error;
1494
1495         ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1496         if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1497                 wol->wolopts |= WAKE_MAGIC;
1498
1499 error:
1500         phy_restore_page(phydev, oldpage, ret);
1501 }
1502
1503 static int m88e1318_set_wol(struct phy_device *phydev,
1504                             struct ethtool_wolinfo *wol)
1505 {
1506         int err = 0, oldpage;
1507
1508         oldpage = phy_save_page(phydev);
1509         if (oldpage < 0)
1510                 goto error;
1511
1512         if (wol->wolopts & WAKE_MAGIC) {
1513                 /* Explicitly switch to page 0x00, just to be sure */
1514                 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1515                 if (err < 0)
1516                         goto error;
1517
1518                 /* If WOL event happened once, the LED[2] interrupt pin
1519                  * will not be cleared unless we reading the interrupt status
1520                  * register. If interrupts are in use, the normal interrupt
1521                  * handling will clear the WOL event. Clear the WOL event
1522                  * before enabling it if !phy_interrupt_is_valid()
1523                  */
1524                 if (!phy_interrupt_is_valid(phydev))
1525                         __phy_read(phydev, MII_M1011_IEVENT);
1526
1527                 /* Enable the WOL interrupt */
1528                 err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0,
1529                                    MII_88E1318S_PHY_CSIER_WOL_EIE);
1530                 if (err < 0)
1531                         goto error;
1532
1533                 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1534                 if (err < 0)
1535                         goto error;
1536
1537                 /* Setup LED[2] as interrupt pin (active low) */
1538                 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1539                                    MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1540                                    MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1541                                    MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1542                 if (err < 0)
1543                         goto error;
1544
1545                 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1546                 if (err < 0)
1547                         goto error;
1548
1549                 /* Store the device address for the magic packet */
1550                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1551                                 ((phydev->attached_dev->dev_addr[5] << 8) |
1552                                  phydev->attached_dev->dev_addr[4]));
1553                 if (err < 0)
1554                         goto error;
1555                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1556                                 ((phydev->attached_dev->dev_addr[3] << 8) |
1557                                  phydev->attached_dev->dev_addr[2]));
1558                 if (err < 0)
1559                         goto error;
1560                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1561                                 ((phydev->attached_dev->dev_addr[1] << 8) |
1562                                  phydev->attached_dev->dev_addr[0]));
1563                 if (err < 0)
1564                         goto error;
1565
1566                 /* Clear WOL status and enable magic packet matching */
1567                 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1568                                    MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1569                                    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1570                 if (err < 0)
1571                         goto error;
1572         } else {
1573                 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1574                 if (err < 0)
1575                         goto error;
1576
1577                 /* Clear WOL status and disable magic packet matching */
1578                 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1579                                    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1580                                    MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1581                 if (err < 0)
1582                         goto error;
1583         }
1584
1585 error:
1586         return phy_restore_page(phydev, oldpage, err);
1587 }
1588
1589 static int marvell_get_sset_count(struct phy_device *phydev)
1590 {
1591         if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1592                               phydev->supported))
1593                 return ARRAY_SIZE(marvell_hw_stats);
1594         else
1595                 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1596 }
1597
1598 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1599 {
1600         int count = marvell_get_sset_count(phydev);
1601         int i;
1602
1603         for (i = 0; i < count; i++) {
1604                 strlcpy(data + i * ETH_GSTRING_LEN,
1605                         marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1606         }
1607 }
1608
1609 static u64 marvell_get_stat(struct phy_device *phydev, int i)
1610 {
1611         struct marvell_hw_stat stat = marvell_hw_stats[i];
1612         struct marvell_priv *priv = phydev->priv;
1613         int val;
1614         u64 ret;
1615
1616         val = phy_read_paged(phydev, stat.page, stat.reg);
1617         if (val < 0) {
1618                 ret = U64_MAX;
1619         } else {
1620                 val = val & ((1 << stat.bits) - 1);
1621                 priv->stats[i] += val;
1622                 ret = priv->stats[i];
1623         }
1624
1625         return ret;
1626 }
1627
1628 static void marvell_get_stats(struct phy_device *phydev,
1629                               struct ethtool_stats *stats, u64 *data)
1630 {
1631         int count = marvell_get_sset_count(phydev);
1632         int i;
1633
1634         for (i = 0; i < count; i++)
1635                 data[i] = marvell_get_stat(phydev, i);
1636 }
1637
1638 #ifdef CONFIG_HWMON
1639 static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
1640 {
1641         int oldpage;
1642         int ret = 0;
1643         int val;
1644
1645         *temp = 0;
1646
1647         oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1648         if (oldpage < 0)
1649                 goto error;
1650
1651         /* Enable temperature sensor */
1652         ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
1653         if (ret < 0)
1654                 goto error;
1655
1656         ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1657                           ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1658         if (ret < 0)
1659                 goto error;
1660
1661         /* Wait for temperature to stabilize */
1662         usleep_range(10000, 12000);
1663
1664         val = __phy_read(phydev, MII_88E1121_MISC_TEST);
1665         if (val < 0) {
1666                 ret = val;
1667                 goto error;
1668         }
1669
1670         /* Disable temperature sensor */
1671         ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1672                           ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1673         if (ret < 0)
1674                 goto error;
1675
1676         *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
1677
1678 error:
1679         return phy_restore_page(phydev, oldpage, ret);
1680 }
1681
1682 static int m88e1121_hwmon_read(struct device *dev,
1683                                enum hwmon_sensor_types type,
1684                                u32 attr, int channel, long *temp)
1685 {
1686         struct phy_device *phydev = dev_get_drvdata(dev);
1687         int err;
1688
1689         switch (attr) {
1690         case hwmon_temp_input:
1691                 err = m88e1121_get_temp(phydev, temp);
1692                 break;
1693         default:
1694                 return -EOPNOTSUPP;
1695         }
1696
1697         return err;
1698 }
1699
1700 static umode_t m88e1121_hwmon_is_visible(const void *data,
1701                                          enum hwmon_sensor_types type,
1702                                          u32 attr, int channel)
1703 {
1704         if (type != hwmon_temp)
1705                 return 0;
1706
1707         switch (attr) {
1708         case hwmon_temp_input:
1709                 return 0444;
1710         default:
1711                 return 0;
1712         }
1713 }
1714
1715 static u32 m88e1121_hwmon_chip_config[] = {
1716         HWMON_C_REGISTER_TZ,
1717         0
1718 };
1719
1720 static const struct hwmon_channel_info m88e1121_hwmon_chip = {
1721         .type = hwmon_chip,
1722         .config = m88e1121_hwmon_chip_config,
1723 };
1724
1725 static u32 m88e1121_hwmon_temp_config[] = {
1726         HWMON_T_INPUT,
1727         0
1728 };
1729
1730 static const struct hwmon_channel_info m88e1121_hwmon_temp = {
1731         .type = hwmon_temp,
1732         .config = m88e1121_hwmon_temp_config,
1733 };
1734
1735 static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
1736         &m88e1121_hwmon_chip,
1737         &m88e1121_hwmon_temp,
1738         NULL
1739 };
1740
1741 static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
1742         .is_visible = m88e1121_hwmon_is_visible,
1743         .read = m88e1121_hwmon_read,
1744 };
1745
1746 static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
1747         .ops = &m88e1121_hwmon_hwmon_ops,
1748         .info = m88e1121_hwmon_info,
1749 };
1750
1751 static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
1752 {
1753         int ret;
1754
1755         *temp = 0;
1756
1757         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1758                              MII_88E1510_TEMP_SENSOR);
1759         if (ret < 0)
1760                 return ret;
1761
1762         *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
1763
1764         return 0;
1765 }
1766
1767 static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
1768 {
1769         int ret;
1770
1771         *temp = 0;
1772
1773         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1774                              MII_88E1121_MISC_TEST);
1775         if (ret < 0)
1776                 return ret;
1777
1778         *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
1779                   MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
1780         /* convert to mC */
1781         *temp *= 1000;
1782
1783         return 0;
1784 }
1785
1786 static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
1787 {
1788         temp = temp / 1000;
1789         temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
1790
1791         return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1792                                 MII_88E1121_MISC_TEST,
1793                                 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
1794                                 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
1795 }
1796
1797 static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
1798 {
1799         int ret;
1800
1801         *alarm = false;
1802
1803         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1804                              MII_88E1121_MISC_TEST);
1805         if (ret < 0)
1806                 return ret;
1807
1808         *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
1809
1810         return 0;
1811 }
1812
1813 static int m88e1510_hwmon_read(struct device *dev,
1814                                enum hwmon_sensor_types type,
1815                                u32 attr, int channel, long *temp)
1816 {
1817         struct phy_device *phydev = dev_get_drvdata(dev);
1818         int err;
1819
1820         switch (attr) {
1821         case hwmon_temp_input:
1822                 err = m88e1510_get_temp(phydev, temp);
1823                 break;
1824         case hwmon_temp_crit:
1825                 err = m88e1510_get_temp_critical(phydev, temp);
1826                 break;
1827         case hwmon_temp_max_alarm:
1828                 err = m88e1510_get_temp_alarm(phydev, temp);
1829                 break;
1830         default:
1831                 return -EOPNOTSUPP;
1832         }
1833
1834         return err;
1835 }
1836
1837 static int m88e1510_hwmon_write(struct device *dev,
1838                                 enum hwmon_sensor_types type,
1839                                 u32 attr, int channel, long temp)
1840 {
1841         struct phy_device *phydev = dev_get_drvdata(dev);
1842         int err;
1843
1844         switch (attr) {
1845         case hwmon_temp_crit:
1846                 err = m88e1510_set_temp_critical(phydev, temp);
1847                 break;
1848         default:
1849                 return -EOPNOTSUPP;
1850         }
1851         return err;
1852 }
1853
1854 static umode_t m88e1510_hwmon_is_visible(const void *data,
1855                                          enum hwmon_sensor_types type,
1856                                          u32 attr, int channel)
1857 {
1858         if (type != hwmon_temp)
1859                 return 0;
1860
1861         switch (attr) {
1862         case hwmon_temp_input:
1863         case hwmon_temp_max_alarm:
1864                 return 0444;
1865         case hwmon_temp_crit:
1866                 return 0644;
1867         default:
1868                 return 0;
1869         }
1870 }
1871
1872 static u32 m88e1510_hwmon_temp_config[] = {
1873         HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
1874         0
1875 };
1876
1877 static const struct hwmon_channel_info m88e1510_hwmon_temp = {
1878         .type = hwmon_temp,
1879         .config = m88e1510_hwmon_temp_config,
1880 };
1881
1882 static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
1883         &m88e1121_hwmon_chip,
1884         &m88e1510_hwmon_temp,
1885         NULL
1886 };
1887
1888 static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
1889         .is_visible = m88e1510_hwmon_is_visible,
1890         .read = m88e1510_hwmon_read,
1891         .write = m88e1510_hwmon_write,
1892 };
1893
1894 static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
1895         .ops = &m88e1510_hwmon_hwmon_ops,
1896         .info = m88e1510_hwmon_info,
1897 };
1898
1899 static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
1900 {
1901         int sum = 0;
1902         int oldpage;
1903         int ret = 0;
1904         int i;
1905
1906         *temp = 0;
1907
1908         oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1909         if (oldpage < 0)
1910                 goto error;
1911
1912         /* Enable temperature sensor */
1913         ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1914         if (ret < 0)
1915                 goto error;
1916
1917         ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1918         ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE |
1919                 MII_88E6390_MISC_TEST_SAMPLE_1S;
1920
1921         ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1922         if (ret < 0)
1923                 goto error;
1924
1925         /* Wait for temperature to stabilize */
1926         usleep_range(10000, 12000);
1927
1928         /* Reading the temperature sense has an errata. You need to read
1929          * a number of times and take an average.
1930          */
1931         for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
1932                 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
1933                 if (ret < 0)
1934                         goto error;
1935                 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
1936         }
1937
1938         sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
1939         *temp = (sum  - 75) * 1000;
1940
1941         /* Disable temperature sensor */
1942         ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1943         if (ret < 0)
1944                 goto error;
1945
1946         ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1947         ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE;
1948
1949         ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1950
1951 error:
1952         phy_restore_page(phydev, oldpage, ret);
1953
1954         return ret;
1955 }
1956
1957 static int m88e6390_hwmon_read(struct device *dev,
1958                                enum hwmon_sensor_types type,
1959                                u32 attr, int channel, long *temp)
1960 {
1961         struct phy_device *phydev = dev_get_drvdata(dev);
1962         int err;
1963
1964         switch (attr) {
1965         case hwmon_temp_input:
1966                 err = m88e6390_get_temp(phydev, temp);
1967                 break;
1968         default:
1969                 return -EOPNOTSUPP;
1970         }
1971
1972         return err;
1973 }
1974
1975 static umode_t m88e6390_hwmon_is_visible(const void *data,
1976                                          enum hwmon_sensor_types type,
1977                                          u32 attr, int channel)
1978 {
1979         if (type != hwmon_temp)
1980                 return 0;
1981
1982         switch (attr) {
1983         case hwmon_temp_input:
1984                 return 0444;
1985         default:
1986                 return 0;
1987         }
1988 }
1989
1990 static u32 m88e6390_hwmon_temp_config[] = {
1991         HWMON_T_INPUT,
1992         0
1993 };
1994
1995 static const struct hwmon_channel_info m88e6390_hwmon_temp = {
1996         .type = hwmon_temp,
1997         .config = m88e6390_hwmon_temp_config,
1998 };
1999
2000 static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
2001         &m88e1121_hwmon_chip,
2002         &m88e6390_hwmon_temp,
2003         NULL
2004 };
2005
2006 static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
2007         .is_visible = m88e6390_hwmon_is_visible,
2008         .read = m88e6390_hwmon_read,
2009 };
2010
2011 static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
2012         .ops = &m88e6390_hwmon_hwmon_ops,
2013         .info = m88e6390_hwmon_info,
2014 };
2015
2016 static int marvell_hwmon_name(struct phy_device *phydev)
2017 {
2018         struct marvell_priv *priv = phydev->priv;
2019         struct device *dev = &phydev->mdio.dev;
2020         const char *devname = dev_name(dev);
2021         size_t len = strlen(devname);
2022         int i, j;
2023
2024         priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
2025         if (!priv->hwmon_name)
2026                 return -ENOMEM;
2027
2028         for (i = j = 0; i < len && devname[i]; i++) {
2029                 if (isalnum(devname[i]))
2030                         priv->hwmon_name[j++] = devname[i];
2031         }
2032
2033         return 0;
2034 }
2035
2036 static int marvell_hwmon_probe(struct phy_device *phydev,
2037                                const struct hwmon_chip_info *chip)
2038 {
2039         struct marvell_priv *priv = phydev->priv;
2040         struct device *dev = &phydev->mdio.dev;
2041         int err;
2042
2043         err = marvell_hwmon_name(phydev);
2044         if (err)
2045                 return err;
2046
2047         priv->hwmon_dev = devm_hwmon_device_register_with_info(
2048                 dev, priv->hwmon_name, phydev, chip, NULL);
2049
2050         return PTR_ERR_OR_ZERO(priv->hwmon_dev);
2051 }
2052
2053 static int m88e1121_hwmon_probe(struct phy_device *phydev)
2054 {
2055         return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
2056 }
2057
2058 static int m88e1510_hwmon_probe(struct phy_device *phydev)
2059 {
2060         return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
2061 }
2062
2063 static int m88e6390_hwmon_probe(struct phy_device *phydev)
2064 {
2065         return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
2066 }
2067 #else
2068 static int m88e1121_hwmon_probe(struct phy_device *phydev)
2069 {
2070         return 0;
2071 }
2072
2073 static int m88e1510_hwmon_probe(struct phy_device *phydev)
2074 {
2075         return 0;
2076 }
2077
2078 static int m88e6390_hwmon_probe(struct phy_device *phydev)
2079 {
2080         return 0;
2081 }
2082 #endif
2083
2084 static int marvell_probe(struct phy_device *phydev)
2085 {
2086         struct marvell_priv *priv;
2087
2088         priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
2089         if (!priv)
2090                 return -ENOMEM;
2091
2092         phydev->priv = priv;
2093
2094         return 0;
2095 }
2096
2097 static int m88e1121_probe(struct phy_device *phydev)
2098 {
2099         int err;
2100
2101         err = marvell_probe(phydev);
2102         if (err)
2103                 return err;
2104
2105         return m88e1121_hwmon_probe(phydev);
2106 }
2107
2108 static int m88e1510_probe(struct phy_device *phydev)
2109 {
2110         int err;
2111
2112         err = marvell_probe(phydev);
2113         if (err)
2114                 return err;
2115
2116         return m88e1510_hwmon_probe(phydev);
2117 }
2118
2119 static int m88e6390_probe(struct phy_device *phydev)
2120 {
2121         int err;
2122
2123         err = marvell_probe(phydev);
2124         if (err)
2125                 return err;
2126
2127         return m88e6390_hwmon_probe(phydev);
2128 }
2129
2130 static struct phy_driver marvell_drivers[] = {
2131         {
2132                 .phy_id = MARVELL_PHY_ID_88E1101,
2133                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2134                 .name = "Marvell 88E1101",
2135                 /* PHY_GBIT_FEATURES */
2136                 .probe = marvell_probe,
2137                 .config_init = &marvell_config_init,
2138                 .config_aneg = &m88e1101_config_aneg,
2139                 .ack_interrupt = &marvell_ack_interrupt,
2140                 .config_intr = &marvell_config_intr,
2141                 .resume = &genphy_resume,
2142                 .suspend = &genphy_suspend,
2143                 .read_page = marvell_read_page,
2144                 .write_page = marvell_write_page,
2145                 .get_sset_count = marvell_get_sset_count,
2146                 .get_strings = marvell_get_strings,
2147                 .get_stats = marvell_get_stats,
2148         },
2149         {
2150                 .phy_id = MARVELL_PHY_ID_88E1112,
2151                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2152                 .name = "Marvell 88E1112",
2153                 /* PHY_GBIT_FEATURES */
2154                 .probe = marvell_probe,
2155                 .config_init = &m88e1111_config_init,
2156                 .config_aneg = &marvell_config_aneg,
2157                 .ack_interrupt = &marvell_ack_interrupt,
2158                 .config_intr = &marvell_config_intr,
2159                 .resume = &genphy_resume,
2160                 .suspend = &genphy_suspend,
2161                 .read_page = marvell_read_page,
2162                 .write_page = marvell_write_page,
2163                 .get_sset_count = marvell_get_sset_count,
2164                 .get_strings = marvell_get_strings,
2165                 .get_stats = marvell_get_stats,
2166         },
2167         {
2168                 .phy_id = MARVELL_PHY_ID_88E1111,
2169                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2170                 .name = "Marvell 88E1111",
2171                 /* PHY_GBIT_FEATURES */
2172                 .probe = marvell_probe,
2173                 .config_init = &m88e1111_config_init,
2174                 .config_aneg = &marvell_config_aneg,
2175                 .read_status = &marvell_read_status,
2176                 .ack_interrupt = &marvell_ack_interrupt,
2177                 .config_intr = &marvell_config_intr,
2178                 .resume = &genphy_resume,
2179                 .suspend = &genphy_suspend,
2180                 .read_page = marvell_read_page,
2181                 .write_page = marvell_write_page,
2182                 .get_sset_count = marvell_get_sset_count,
2183                 .get_strings = marvell_get_strings,
2184                 .get_stats = marvell_get_stats,
2185         },
2186         {
2187                 .phy_id = MARVELL_PHY_ID_88E1118,
2188                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2189                 .name = "Marvell 88E1118",
2190                 /* PHY_GBIT_FEATURES */
2191                 .probe = marvell_probe,
2192                 .config_init = &m88e1118_config_init,
2193                 .config_aneg = &m88e1118_config_aneg,
2194                 .ack_interrupt = &marvell_ack_interrupt,
2195                 .config_intr = &marvell_config_intr,
2196                 .resume = &genphy_resume,
2197                 .suspend = &genphy_suspend,
2198                 .read_page = marvell_read_page,
2199                 .write_page = marvell_write_page,
2200                 .get_sset_count = marvell_get_sset_count,
2201                 .get_strings = marvell_get_strings,
2202                 .get_stats = marvell_get_stats,
2203         },
2204         {
2205                 .phy_id = MARVELL_PHY_ID_88E1121R,
2206                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2207                 .name = "Marvell 88E1121R",
2208                 /* PHY_GBIT_FEATURES */
2209                 .probe = &m88e1121_probe,
2210                 .config_init = &marvell_config_init,
2211                 .config_aneg = &m88e1121_config_aneg,
2212                 .read_status = &marvell_read_status,
2213                 .ack_interrupt = &marvell_ack_interrupt,
2214                 .config_intr = &marvell_config_intr,
2215                 .did_interrupt = &m88e1121_did_interrupt,
2216                 .resume = &genphy_resume,
2217                 .suspend = &genphy_suspend,
2218                 .read_page = marvell_read_page,
2219                 .write_page = marvell_write_page,
2220                 .get_sset_count = marvell_get_sset_count,
2221                 .get_strings = marvell_get_strings,
2222                 .get_stats = marvell_get_stats,
2223         },
2224         {
2225                 .phy_id = MARVELL_PHY_ID_88E1318S,
2226                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2227                 .name = "Marvell 88E1318S",
2228                 /* PHY_GBIT_FEATURES */
2229                 .probe = marvell_probe,
2230                 .config_init = &m88e1318_config_init,
2231                 .config_aneg = &m88e1318_config_aneg,
2232                 .read_status = &marvell_read_status,
2233                 .ack_interrupt = &marvell_ack_interrupt,
2234                 .config_intr = &marvell_config_intr,
2235                 .did_interrupt = &m88e1121_did_interrupt,
2236                 .get_wol = &m88e1318_get_wol,
2237                 .set_wol = &m88e1318_set_wol,
2238                 .resume = &genphy_resume,
2239                 .suspend = &genphy_suspend,
2240                 .read_page = marvell_read_page,
2241                 .write_page = marvell_write_page,
2242                 .get_sset_count = marvell_get_sset_count,
2243                 .get_strings = marvell_get_strings,
2244                 .get_stats = marvell_get_stats,
2245         },
2246         {
2247                 .phy_id = MARVELL_PHY_ID_88E1145,
2248                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2249                 .name = "Marvell 88E1145",
2250                 /* PHY_GBIT_FEATURES */
2251                 .probe = marvell_probe,
2252                 .config_init = &m88e1145_config_init,
2253                 .config_aneg = &m88e1101_config_aneg,
2254                 .read_status = &genphy_read_status,
2255                 .ack_interrupt = &marvell_ack_interrupt,
2256                 .config_intr = &marvell_config_intr,
2257                 .resume = &genphy_resume,
2258                 .suspend = &genphy_suspend,
2259                 .read_page = marvell_read_page,
2260                 .write_page = marvell_write_page,
2261                 .get_sset_count = marvell_get_sset_count,
2262                 .get_strings = marvell_get_strings,
2263                 .get_stats = marvell_get_stats,
2264         },
2265         {
2266                 .phy_id = MARVELL_PHY_ID_88E1149R,
2267                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2268                 .name = "Marvell 88E1149R",
2269                 /* PHY_GBIT_FEATURES */
2270                 .probe = marvell_probe,
2271                 .config_init = &m88e1149_config_init,
2272                 .config_aneg = &m88e1118_config_aneg,
2273                 .ack_interrupt = &marvell_ack_interrupt,
2274                 .config_intr = &marvell_config_intr,
2275                 .resume = &genphy_resume,
2276                 .suspend = &genphy_suspend,
2277                 .read_page = marvell_read_page,
2278                 .write_page = marvell_write_page,
2279                 .get_sset_count = marvell_get_sset_count,
2280                 .get_strings = marvell_get_strings,
2281                 .get_stats = marvell_get_stats,
2282         },
2283         {
2284                 .phy_id = MARVELL_PHY_ID_88E1240,
2285                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2286                 .name = "Marvell 88E1240",
2287                 /* PHY_GBIT_FEATURES */
2288                 .probe = marvell_probe,
2289                 .config_init = &m88e1111_config_init,
2290                 .config_aneg = &marvell_config_aneg,
2291                 .ack_interrupt = &marvell_ack_interrupt,
2292                 .config_intr = &marvell_config_intr,
2293                 .resume = &genphy_resume,
2294                 .suspend = &genphy_suspend,
2295                 .read_page = marvell_read_page,
2296                 .write_page = marvell_write_page,
2297                 .get_sset_count = marvell_get_sset_count,
2298                 .get_strings = marvell_get_strings,
2299                 .get_stats = marvell_get_stats,
2300         },
2301         {
2302                 .phy_id = MARVELL_PHY_ID_88E1116R,
2303                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2304                 .name = "Marvell 88E1116R",
2305                 /* PHY_GBIT_FEATURES */
2306                 .probe = marvell_probe,
2307                 .config_init = &m88e1116r_config_init,
2308                 .ack_interrupt = &marvell_ack_interrupt,
2309                 .config_intr = &marvell_config_intr,
2310                 .resume = &genphy_resume,
2311                 .suspend = &genphy_suspend,
2312                 .read_page = marvell_read_page,
2313                 .write_page = marvell_write_page,
2314                 .get_sset_count = marvell_get_sset_count,
2315                 .get_strings = marvell_get_strings,
2316                 .get_stats = marvell_get_stats,
2317         },
2318         {
2319                 .phy_id = MARVELL_PHY_ID_88E1510,
2320                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2321                 .name = "Marvell 88E1510",
2322                 .features = PHY_GBIT_FIBRE_FEATURES,
2323                 .probe = &m88e1510_probe,
2324                 .config_init = &m88e1510_config_init,
2325                 .config_aneg = &m88e1510_config_aneg,
2326                 .read_status = &marvell_read_status,
2327                 .ack_interrupt = &marvell_ack_interrupt,
2328                 .config_intr = &marvell_config_intr,
2329                 .did_interrupt = &m88e1121_did_interrupt,
2330                 .get_wol = &m88e1318_get_wol,
2331                 .set_wol = &m88e1318_set_wol,
2332                 .resume = &marvell_resume,
2333                 .suspend = &marvell_suspend,
2334                 .read_page = marvell_read_page,
2335                 .write_page = marvell_write_page,
2336                 .get_sset_count = marvell_get_sset_count,
2337                 .get_strings = marvell_get_strings,
2338                 .get_stats = marvell_get_stats,
2339                 .set_loopback = genphy_loopback,
2340         },
2341         {
2342                 .phy_id = MARVELL_PHY_ID_88E1540,
2343                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2344                 .name = "Marvell 88E1540",
2345                 /* PHY_GBIT_FEATURES */
2346                 .probe = m88e1510_probe,
2347                 .config_init = &marvell_config_init,
2348                 .config_aneg = &m88e1510_config_aneg,
2349                 .read_status = &marvell_read_status,
2350                 .ack_interrupt = &marvell_ack_interrupt,
2351                 .config_intr = &marvell_config_intr,
2352                 .did_interrupt = &m88e1121_did_interrupt,
2353                 .resume = &genphy_resume,
2354                 .suspend = &genphy_suspend,
2355                 .read_page = marvell_read_page,
2356                 .write_page = marvell_write_page,
2357                 .get_sset_count = marvell_get_sset_count,
2358                 .get_strings = marvell_get_strings,
2359                 .get_stats = marvell_get_stats,
2360                 .get_tunable = m88e1540_get_tunable,
2361                 .set_tunable = m88e1540_set_tunable,
2362         },
2363         {
2364                 .phy_id = MARVELL_PHY_ID_88E1545,
2365                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2366                 .name = "Marvell 88E1545",
2367                 .probe = m88e1510_probe,
2368                 /* PHY_GBIT_FEATURES */
2369                 .config_init = &marvell_config_init,
2370                 .config_aneg = &m88e1510_config_aneg,
2371                 .read_status = &marvell_read_status,
2372                 .ack_interrupt = &marvell_ack_interrupt,
2373                 .config_intr = &marvell_config_intr,
2374                 .did_interrupt = &m88e1121_did_interrupt,
2375                 .resume = &genphy_resume,
2376                 .suspend = &genphy_suspend,
2377                 .read_page = marvell_read_page,
2378                 .write_page = marvell_write_page,
2379                 .get_sset_count = marvell_get_sset_count,
2380                 .get_strings = marvell_get_strings,
2381                 .get_stats = marvell_get_stats,
2382         },
2383         {
2384                 .phy_id = MARVELL_PHY_ID_88E3016,
2385                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2386                 .name = "Marvell 88E3016",
2387                 /* PHY_BASIC_FEATURES */
2388                 .probe = marvell_probe,
2389                 .config_init = &m88e3016_config_init,
2390                 .aneg_done = &marvell_aneg_done,
2391                 .read_status = &marvell_read_status,
2392                 .ack_interrupt = &marvell_ack_interrupt,
2393                 .config_intr = &marvell_config_intr,
2394                 .did_interrupt = &m88e1121_did_interrupt,
2395                 .resume = &genphy_resume,
2396                 .suspend = &genphy_suspend,
2397                 .read_page = marvell_read_page,
2398                 .write_page = marvell_write_page,
2399                 .get_sset_count = marvell_get_sset_count,
2400                 .get_strings = marvell_get_strings,
2401                 .get_stats = marvell_get_stats,
2402         },
2403         {
2404                 .phy_id = MARVELL_PHY_ID_88E6390,
2405                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2406                 .name = "Marvell 88E6390",
2407                 /* PHY_GBIT_FEATURES */
2408                 .probe = m88e6390_probe,
2409                 .config_init = &marvell_config_init,
2410                 .config_aneg = &m88e6390_config_aneg,
2411                 .read_status = &marvell_read_status,
2412                 .ack_interrupt = &marvell_ack_interrupt,
2413                 .config_intr = &marvell_config_intr,
2414                 .did_interrupt = &m88e1121_did_interrupt,
2415                 .resume = &genphy_resume,
2416                 .suspend = &genphy_suspend,
2417                 .read_page = marvell_read_page,
2418                 .write_page = marvell_write_page,
2419                 .get_sset_count = marvell_get_sset_count,
2420                 .get_strings = marvell_get_strings,
2421                 .get_stats = marvell_get_stats,
2422                 .get_tunable = m88e1540_get_tunable,
2423                 .set_tunable = m88e1540_set_tunable,
2424         },
2425 };
2426
2427 module_phy_driver(marvell_drivers);
2428
2429 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
2430         { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
2431         { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
2432         { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
2433         { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
2434         { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
2435         { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
2436         { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
2437         { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
2438         { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
2439         { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
2440         { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
2441         { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
2442         { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
2443         { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
2444         { MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
2445         { }
2446 };
2447
2448 MODULE_DEVICE_TABLE(mdio, marvell_tbl);