drivers/net/phy/marvell.c

   1 /*
   2  * drivers/net/phy/marvell.c
   3  *
   4  * Driver for Marvell PHYs
   5  *
   6  * Author: Andy Fleming
   7  *
   8  * Copyright (c) 2004 Freescale Semiconductor, Inc.
   9  *
  10  * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  *
  17  */
  18 #include <linux/kernel.h>
  19 #include <linux/string.h>
  20 #include <linux/ctype.h>
  21 #include <linux/errno.h>
  22 #include <linux/unistd.h>
  23 #include <linux/hwmon.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/init.h>
  26 #include <linux/delay.h>
  27 #include <linux/netdevice.h>
  28 #include <linux/etherdevice.h>
  29 #include <linux/skbuff.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/mm.h>
  32 #include <linux/module.h>
  33 #include <linux/mii.h>
  34 #include <linux/ethtool.h>
  35 #include <linux/phy.h>
  36 #include <linux/marvell_phy.h>
  37 #include <linux/of.h>
  38
  39 #include <linux/io.h>
  40 #include <asm/irq.h>
  41 #include <linux/uaccess.h>
  42
  43 #define MII_MARVELL_PHY_PAGE            22
  44 #define MII_MARVELL_COPPER_PAGE         0x00
  45 #define MII_MARVELL_FIBER_PAGE          0x01
  46 #define MII_MARVELL_MSCR_PAGE           0x02
  47 #define MII_MARVELL_LED_PAGE            0x03
  48 #define MII_MARVELL_MISC_TEST_PAGE      0x06
  49 #define MII_MARVELL_WOL_PAGE            0x11
  50
  51 #define MII_M1011_IEVENT                0x13
  52 #define MII_M1011_IEVENT_CLEAR          0x0000
  53
  54 #define MII_M1011_IMASK                 0x12
  55 #define MII_M1011_IMASK_INIT            0x6400
  56 #define MII_M1011_IMASK_CLEAR           0x0000
  57
  58 #define MII_M1011_PHY_SCR                       0x10
  59 #define MII_M1011_PHY_SCR_DOWNSHIFT_EN          BIT(11)
  60 #define MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT       12
  61 #define MII_M1011_PHY_SRC_DOWNSHIFT_MASK        0x7800
  62 #define MII_M1011_PHY_SCR_MDI                   (0x0 << 5)
  63 #define MII_M1011_PHY_SCR_MDI_X                 (0x1 << 5)
  64 #define MII_M1011_PHY_SCR_AUTO_CROSS            (0x3 << 5)
  65
  66 #define MII_M1111_PHY_LED_CONTROL       0x18
  67 #define MII_M1111_PHY_LED_DIRECT        0x4100
  68 #define MII_M1111_PHY_LED_COMBINE       0x411c
  69 #define MII_M1111_PHY_EXT_CR            0x14
  70 #define MII_M1111_RGMII_RX_DELAY        BIT(7)
  71 #define MII_M1111_RGMII_TX_DELAY        BIT(1)
  72 #define MII_M1111_PHY_EXT_SR            0x1b
  73
  74 #define MII_M1111_HWCFG_MODE_MASK               0xf
  75 #define MII_M1111_HWCFG_MODE_FIBER_RGMII        0x3
  76 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK       0x4
  77 #define MII_M1111_HWCFG_MODE_RTBI               0x7
  78 #define MII_M1111_HWCFG_MODE_COPPER_RTBI        0x9
  79 #define MII_M1111_HWCFG_MODE_COPPER_RGMII       0xb
  80 #define MII_M1111_HWCFG_FIBER_COPPER_RES        BIT(13)
  81 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO       BIT(15)
  82
  83 #define MII_88E1121_PHY_MSCR_REG        21
  84 #define MII_88E1121_PHY_MSCR_RX_DELAY   BIT(5)
  85 #define MII_88E1121_PHY_MSCR_TX_DELAY   BIT(4)
  86 #define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
  87
  88 #define MII_88E1121_MISC_TEST                           0x1a
  89 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK       0x1f00
  90 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT      8
  91 #define MII_88E1510_MISC_TEST_TEMP_IRQ_EN               BIT(7)
  92 #define MII_88E1510_MISC_TEST_TEMP_IRQ                  BIT(6)
  93 #define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN            BIT(5)
  94 #define MII_88E1121_MISC_TEST_TEMP_MASK                 0x1f
  95
  96 #define MII_88E1510_TEMP_SENSOR         0x1b
  97 #define MII_88E1510_TEMP_SENSOR_MASK    0xff
  98
  99 #define MII_88E6390_MISC_TEST           0x1b
 100 #define MII_88E6390_MISC_TEST_SAMPLE_1S         0
 101 #define MII_88E6390_MISC_TEST_SAMPLE_10MS       BIT(14)
 102 #define MII_88E6390_MISC_TEST_SAMPLE_DISABLE    BIT(15)
 103 #define MII_88E6390_MISC_TEST_SAMPLE_ENABLE     0
 104 #define MII_88E6390_MISC_TEST_SAMPLE_MASK       (0x3 << 14)
 105
 106 #define MII_88E6390_TEMP_SENSOR         0x1c
 107 #define MII_88E6390_TEMP_SENSOR_MASK    0xff
 108 #define MII_88E6390_TEMP_SENSOR_SAMPLES 10
 109
 110 #define MII_88E1318S_PHY_MSCR1_REG      16
 111 #define MII_88E1318S_PHY_MSCR1_PAD_ODD  BIT(6)
 112
 113 /* Copper Specific Interrupt Enable Register */
 114 #define MII_88E1318S_PHY_CSIER                          0x12
 115 /* WOL Event Interrupt Enable */
 116 #define MII_88E1318S_PHY_CSIER_WOL_EIE                  BIT(7)
 117
 118 /* LED Timer Control Register */
 119 #define MII_88E1318S_PHY_LED_TCR                        0x12
 120 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT              BIT(15)
 121 #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE            BIT(7)
 122 #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW         BIT(11)
 123
 124 /* Magic Packet MAC address registers */
 125 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2             0x17
 126 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1             0x18
 127 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0             0x19
 128
 129 #define MII_88E1318S_PHY_WOL_CTRL                               0x10
 130 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS              BIT(12)
 131 #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE     BIT(14)
 132
 133 #define MII_PHY_LED_CTRL                16
 134 #define MII_88E1121_PHY_LED_DEF         0x0030
 135 #define MII_88E1510_PHY_LED_DEF         0x1177
 136
 137 #define MII_M1011_PHY_STATUS            0x11
 138 #define MII_M1011_PHY_STATUS_1000       0x8000
 139 #define MII_M1011_PHY_STATUS_100        0x4000
 140 #define MII_M1011_PHY_STATUS_SPD_MASK   0xc000
 141 #define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
 142 #define MII_M1011_PHY_STATUS_RESOLVED   0x0800
 143 #define MII_M1011_PHY_STATUS_LINK       0x0400
 144
 145 #define MII_88E3016_PHY_SPEC_CTRL       0x10
 146 #define MII_88E3016_DISABLE_SCRAMBLER   0x0200
 147 #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
 148
 149 #define MII_88E1510_GEN_CTRL_REG_1              0x14
 150 #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK    0x7
 151 #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII   0x1     /* SGMII to copper */
 152 #define MII_88E1510_GEN_CTRL_REG_1_RESET        0x8000  /* Soft reset */
 153
 154 #define LPA_FIBER_1000HALF      0x40
 155 #define LPA_FIBER_1000FULL      0x20
 156
 157 #define LPA_PAUSE_FIBER         0x180
 158 #define LPA_PAUSE_ASYM_FIBER    0x100
 159
 160 #define ADVERTISE_FIBER_1000HALF        0x40
 161 #define ADVERTISE_FIBER_1000FULL        0x20
 162
 163 #define ADVERTISE_PAUSE_FIBER           0x180
 164 #define ADVERTISE_PAUSE_ASYM_FIBER      0x100
 165
 166 #define REGISTER_LINK_STATUS    0x400
 167 #define NB_FIBER_STATS  1
 168
 169 MODULE_DESCRIPTION("Marvell PHY driver");
 170 MODULE_AUTHOR("Andy Fleming");
 171 MODULE_LICENSE("GPL");
 172
 173 struct marvell_hw_stat {
 174         const char *string;
 175         u8 page;
 176         u8 reg;
 177         u8 bits;
 178 };
 179
 180 static struct marvell_hw_stat marvell_hw_stats[] = {
 181         { "phy_receive_errors_copper", 0, 21, 16},
 182         { "phy_idle_errors", 0, 10, 8 },
 183         { "phy_receive_errors_fiber", 1, 21, 16},
 184 };
 185
 186 struct marvell_priv {
 187         u64 stats[ARRAY_SIZE(marvell_hw_stats)];
 188         char *hwmon_name;
 189         struct device *hwmon_dev;
 190 };
 191
 192 static int marvell_read_page(struct phy_device *phydev)
 193 {
 194         return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
 195 }
 196
 197 static int marvell_write_page(struct phy_device *phydev, int page)
 198 {
 199         return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
 200 }
 201
 202 static int marvell_set_page(struct phy_device *phydev, int page)
 203 {
 204         return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
 205 }
 206
 207 static int marvell_ack_interrupt(struct phy_device *phydev)
 208 {
 209         int err;
 210
 211         /* Clear the interrupts by reading the reg */
 212         err = phy_read(phydev, MII_M1011_IEVENT);
 213
 214         if (err < 0)
 215                 return err;
 216
 217         return 0;
 218 }
 219
 220 static int marvell_config_intr(struct phy_device *phydev)
 221 {
 222         int err;
 223
 224         if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 225                 err = phy_write(phydev, MII_M1011_IMASK,
 226                                 MII_M1011_IMASK_INIT);
 227         else
 228                 err = phy_write(phydev, MII_M1011_IMASK,
 229                                 MII_M1011_IMASK_CLEAR);
 230
 231         return err;
 232 }
 233
 234 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
 235 {
 236         int reg;
 237         int err;
 238         int val;
 239
 240         /* get the current settings */
 241         reg = phy_read(phydev, MII_M1011_PHY_SCR);
 242         if (reg < 0)
 243                 return reg;
 244
 245         val = reg;
 246         val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
 247         switch (polarity) {
 248         case ETH_TP_MDI:
 249                 val |= MII_M1011_PHY_SCR_MDI;
 250                 break;
 251         case ETH_TP_MDI_X:
 252                 val |= MII_M1011_PHY_SCR_MDI_X;
 253                 break;
 254         case ETH_TP_MDI_AUTO:
 255         case ETH_TP_MDI_INVALID:
 256         default:
 257                 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
 258                 break;
 259         }
 260
 261         if (val != reg) {
 262                 /* Set the new polarity value in the register */
 263                 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
 264                 if (err)
 265                         return err;
 266         }
 267
 268         return 0;
 269 }
 270
 271 static int marvell_set_downshift(struct phy_device *phydev, bool enable,
 272                                  u8 retries)
 273 {
 274         int reg;
 275
 276         reg = phy_read(phydev, MII_M1011_PHY_SCR);
 277         if (reg < 0)
 278                 return reg;
 279
 280         reg &= MII_M1011_PHY_SRC_DOWNSHIFT_MASK;
 281         reg |= ((retries - 1) << MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT);
 282         if (enable)
 283                 reg |= MII_M1011_PHY_SCR_DOWNSHIFT_EN;
 284
 285         return phy_write(phydev, MII_M1011_PHY_SCR, reg);
 286 }
 287
 288 static int marvell_config_aneg(struct phy_device *phydev)
 289 {
 290         int err;
 291
 292         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 293         if (err < 0)
 294                 return err;
 295
 296         err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
 297                         MII_M1111_PHY_LED_DIRECT);
 298         if (err < 0)
 299                 return err;
 300
 301         err = genphy_config_aneg(phydev);
 302         if (err < 0)
 303                 return err;
 304
 305         if (phydev->autoneg != AUTONEG_ENABLE) {
 306                 /* A write to speed/duplex bits (that is performed by
 307                  * genphy_config_aneg() call above) must be followed by
 308                  * a software reset. Otherwise, the write has no effect.
 309                  */
 310                 err = genphy_soft_reset(phydev);
 311                 if (err < 0)
 312                         return err;
 313         }
 314
 315         return 0;
 316 }
 317
 318 static int m88e1101_config_aneg(struct phy_device *phydev)
 319 {
 320         int err;
 321
 322         /* This Marvell PHY has an errata which requires
 323          * that certain registers get written in order
 324          * to restart autonegotiation
 325          */
 326         err = genphy_soft_reset(phydev);
 327         if (err < 0)
 328                 return err;
 329
 330         err = phy_write(phydev, 0x1d, 0x1f);
 331         if (err < 0)
 332                 return err;
 333
 334         err = phy_write(phydev, 0x1e, 0x200c);
 335         if (err < 0)
 336                 return err;
 337
 338         err = phy_write(phydev, 0x1d, 0x5);
 339         if (err < 0)
 340                 return err;
 341
 342         err = phy_write(phydev, 0x1e, 0);
 343         if (err < 0)
 344                 return err;
 345
 346         err = phy_write(phydev, 0x1e, 0x100);
 347         if (err < 0)
 348                 return err;
 349
 350         return marvell_config_aneg(phydev);
 351 }
 352
 353 static int m88e1111_config_aneg(struct phy_device *phydev)
 354 {
 355         int err;
 356
 357         /* The Marvell PHY has an errata which requires
 358          * that certain registers get written in order
 359          * to restart autonegotiation
 360          */
 361         err = genphy_soft_reset(phydev);
 362
 363         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 364         if (err < 0)
 365                 return err;
 366
 367         err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
 368                         MII_M1111_PHY_LED_DIRECT);
 369         if (err < 0)
 370                 return err;
 371
 372         err = genphy_config_aneg(phydev);
 373         if (err < 0)
 374                 return err;
 375
 376         if (phydev->autoneg != AUTONEG_ENABLE) {
 377                 /* A write to speed/duplex bits (that is performed by
 378                  * genphy_config_aneg() call above) must be followed by
 379                  * a software reset. Otherwise, the write has no effect.
 380                  */
 381                 err = genphy_soft_reset(phydev);
 382                 if (err < 0)
 383                         return err;
 384         }
 385
 386         return 0;
 387 }
 388
 389 #ifdef CONFIG_OF_MDIO
 390 /* Set and/or override some configuration registers based on the
 391  * marvell,reg-init property stored in the of_node for the phydev.
 392  *
 393  * marvell,reg-init = <reg-page reg mask value>,...;
 394  *
 395  * There may be one or more sets of <reg-page reg mask value>:
 396  *
 397  * reg-page: which register bank to use.
 398  * reg: the register.
 399  * mask: if non-zero, ANDed with existing register value.
 400  * value: ORed with the masked value and written to the regiser.
 401  *
 402  */
 403 static int marvell_of_reg_init(struct phy_device *phydev)
 404 {
 405         const __be32 *paddr;
 406         int len, i, saved_page, current_page, ret = 0;
 407
 408         if (!phydev->mdio.dev.of_node)
 409                 return 0;
 410
 411         paddr = of_get_property(phydev->mdio.dev.of_node,
 412                                 "marvell,reg-init", &len);
 413         if (!paddr || len < (4 * sizeof(*paddr)))
 414                 return 0;
 415
 416         saved_page = phy_save_page(phydev);
 417         if (saved_page < 0)
 418                 goto err;
 419         current_page = saved_page;
 420
 421         len /= sizeof(*paddr);
 422         for (i = 0; i < len - 3; i += 4) {
 423                 u16 page = be32_to_cpup(paddr + i);
 424                 u16 reg = be32_to_cpup(paddr + i + 1);
 425                 u16 mask = be32_to_cpup(paddr + i + 2);
 426                 u16 val_bits = be32_to_cpup(paddr + i + 3);
 427                 int val;
 428
 429                 if (page != current_page) {
 430                         current_page = page;
 431                         ret = marvell_write_page(phydev, page);
 432                         if (ret < 0)
 433                                 goto err;
 434                 }
 435
 436                 val = 0;
 437                 if (mask) {
 438                         val = __phy_read(phydev, reg);
 439                         if (val < 0) {
 440                                 ret = val;
 441                                 goto err;
 442                         }
 443                         val &= mask;
 444                 }
 445                 val |= val_bits;
 446
 447                 ret = __phy_write(phydev, reg, val);
 448                 if (ret < 0)
 449                         goto err;
 450         }
 451 err:
 452         return phy_restore_page(phydev, saved_page, ret);
 453 }
 454 #else
 455 static int marvell_of_reg_init(struct phy_device *phydev)
 456 {
 457         return 0;
 458 }
 459 #endif /* CONFIG_OF_MDIO */
 460
 461 static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
 462 {
 463         int mscr;
 464
 465         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 466                 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
 467                        MII_88E1121_PHY_MSCR_TX_DELAY;
 468         else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
 469                 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
 470         else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
 471                 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
 472         else
 473                 mscr = 0;
 474
 475         return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
 476                                 MII_88E1121_PHY_MSCR_REG,
 477                                 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
 478 }
 479
 480 static int m88e1121_config_aneg(struct phy_device *phydev)
 481 {
 482         int err = 0;
 483
 484         if (phy_interface_is_rgmii(phydev)) {
 485                 err = m88e1121_config_aneg_rgmii_delays(phydev);
 486                 if (err < 0)
 487                         return err;
 488         }
 489
 490         err = genphy_soft_reset(phydev);
 491         if (err < 0)
 492                 return err;
 493
 494         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 495         if (err < 0)
 496                 return err;
 497
 498         return genphy_config_aneg(phydev);
 499 }
 500
 501 static int m88e1318_config_aneg(struct phy_device *phydev)
 502 {
 503         int err;
 504
 505         err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
 506                                MII_88E1318S_PHY_MSCR1_REG,
 507                                0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
 508         if (err < 0)
 509                 return err;
 510
 511         return m88e1121_config_aneg(phydev);
 512 }
 513
 514 /**
 515  * ethtool_adv_to_fiber_adv_t
 516  * @ethadv: the ethtool advertisement settings
 517  *
 518  * A small helper function that translates ethtool advertisement
 519  * settings to phy autonegotiation advertisements for the
 520  * MII_ADV register for fiber link.
 521  */
 522 static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
 523 {
 524         u32 result = 0;
 525
 526         if (ethadv & ADVERTISED_1000baseT_Half)
 527                 result |= ADVERTISE_FIBER_1000HALF;
 528         if (ethadv & ADVERTISED_1000baseT_Full)
 529                 result |= ADVERTISE_FIBER_1000FULL;
 530
 531         if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
 532                 result |= LPA_PAUSE_ASYM_FIBER;
 533         else if (ethadv & ADVERTISE_PAUSE_CAP)
 534                 result |= (ADVERTISE_PAUSE_FIBER
 535                            & (~ADVERTISE_PAUSE_ASYM_FIBER));
 536
 537         return result;
 538 }
 539
 540 /**
 541  * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
 542  * @phydev: target phy_device struct
 543  *
 544  * Description: If auto-negotiation is enabled, we configure the
 545  *   advertising, and then restart auto-negotiation.  If it is not
 546  *   enabled, then we write the BMCR. Adapted for fiber link in
 547  *   some Marvell's devices.
 548  */
 549 static int marvell_config_aneg_fiber(struct phy_device *phydev)
 550 {
 551         int changed = 0;
 552         int err;
 553         int adv, oldadv;
 554         u32 advertise;
 555
 556         if (phydev->autoneg != AUTONEG_ENABLE)
 557                 return genphy_setup_forced(phydev);
 558
 559         /* Only allow advertising what this PHY supports */
 560         phydev->advertising &= phydev->supported;
 561         advertise = phydev->advertising;
 562
 563         /* Setup fiber advertisement */
 564         adv = phy_read(phydev, MII_ADVERTISE);
 565         if (adv < 0)
 566                 return adv;
 567
 568         oldadv = adv;
 569         adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
 570                 | LPA_PAUSE_FIBER);
 571         adv |= ethtool_adv_to_fiber_adv_t(advertise);
 572
 573         if (adv != oldadv) {
 574                 err = phy_write(phydev, MII_ADVERTISE, adv);
 575                 if (err < 0)
 576                         return err;
 577
 578                 changed = 1;
 579         }
 580
 581         if (changed == 0) {
 582                 /* Advertisement hasn't changed, but maybe aneg was never on to
 583                  * begin with?  Or maybe phy was isolated?
 584                  */
 585                 int ctl = phy_read(phydev, MII_BMCR);
 586
 587                 if (ctl < 0)
 588                         return ctl;
 589
 590                 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
 591                         changed = 1; /* do restart aneg */
 592         }
 593
 594         /* Only restart aneg if we are advertising something different
 595          * than we were before.
 596          */
 597         if (changed > 0)
 598                 changed = genphy_restart_aneg(phydev);
 599
 600         return changed;
 601 }
 602
 603 static int m88e1510_config_aneg(struct phy_device *phydev)
 604 {
 605         int err;
 606
 607         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 608         if (err < 0)
 609                 goto error;
 610
 611         /* Configure the copper link first */
 612         err = m88e1318_config_aneg(phydev);
 613         if (err < 0)
 614                 goto error;
 615
 616         /* Do not touch the fiber page if we're in copper->sgmii mode */
 617         if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
 618                 return 0;
 619
 620         /* Then the fiber link */
 621         err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
 622         if (err < 0)
 623                 goto error;
 624
 625         err = marvell_config_aneg_fiber(phydev);
 626         if (err < 0)
 627                 goto error;
 628
 629         return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 630
 631 error:
 632         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 633         return err;
 634 }
 635
 636 static void marvell_config_led(struct phy_device *phydev)
 637 {
 638         u16 def_config;
 639         int err;
 640
 641         switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
 642         /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
 643         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
 644         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
 645                 def_config = MII_88E1121_PHY_LED_DEF;
 646                 break;
 647         /* Default PHY LED config:
 648          * LED[0] .. 1000Mbps Link
 649          * LED[1] .. 100Mbps Link
 650          * LED[2] .. Blink, Activity
 651          */
 652         case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
 653                 def_config = MII_88E1510_PHY_LED_DEF;
 654                 break;
 655         default:
 656                 return;
 657         }
 658
 659         err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
 660                               def_config);
 661         if (err < 0)
 662                 pr_warn("Fail to config marvell phy LED.\n");
 663 }
 664
 665 static int marvell_config_init(struct phy_device *phydev)
 666 {
 667         /* Set defalut LED */
 668         marvell_config_led(phydev);
 669
 670         /* Set registers from marvell,reg-init DT property */
 671         return marvell_of_reg_init(phydev);
 672 }
 673
 674 static int m88e1116r_config_init(struct phy_device *phydev)
 675 {
 676         int err;
 677
 678         err = genphy_soft_reset(phydev);
 679         if (err < 0)
 680                 return err;
 681
 682         msleep(500);
 683
 684         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 685         if (err < 0)
 686                 return err;
 687
 688         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 689         if (err < 0)
 690                 return err;
 691
 692         err = marvell_set_downshift(phydev, true, 8);
 693         if (err < 0)
 694                 return err;
 695
 696         if (phy_interface_is_rgmii(phydev)) {
 697                 err = m88e1121_config_aneg_rgmii_delays(phydev);
 698                 if (err < 0)
 699                         return err;
 700         }
 701
 702         err = genphy_soft_reset(phydev);
 703         if (err < 0)
 704                 return err;
 705
 706         return marvell_config_init(phydev);
 707 }
 708
 709 static int m88e3016_config_init(struct phy_device *phydev)
 710 {
 711         int ret;
 712
 713         /* Enable Scrambler and Auto-Crossover */
 714         ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
 715                          MII_88E3016_DISABLE_SCRAMBLER,
 716                          MII_88E3016_AUTO_MDIX_CROSSOVER);
 717         if (ret < 0)
 718                 return ret;
 719
 720         return marvell_config_init(phydev);
 721 }
 722
 723 static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
 724                                            u16 mode,
 725                                            int fibre_copper_auto)
 726 {
 727         if (fibre_copper_auto)
 728                 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 729
 730         return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
 731                           MII_M1111_HWCFG_MODE_MASK |
 732                           MII_M1111_HWCFG_FIBER_COPPER_AUTO |
 733                           MII_M1111_HWCFG_FIBER_COPPER_RES,
 734                           mode);
 735 }
 736
 737 static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
 738 {
 739         int delay;
 740
 741         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
 742                 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
 743         } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
 744                 delay = MII_M1111_RGMII_RX_DELAY;
 745         } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
 746                 delay = MII_M1111_RGMII_TX_DELAY;
 747         } else {
 748                 delay = 0;
 749         }
 750
 751         return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
 752                           MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
 753                           delay);
 754 }
 755
 756 static int m88e1111_config_init_rgmii(struct phy_device *phydev)
 757 {
 758         int temp;
 759         int err;
 760
 761         err = m88e1111_config_init_rgmii_delays(phydev);
 762         if (err < 0)
 763                 return err;
 764
 765         temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 766         if (temp < 0)
 767                 return temp;
 768
 769         temp &= ~(MII_M1111_HWCFG_MODE_MASK);
 770
 771         if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
 772                 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
 773         else
 774                 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
 775
 776         return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 777 }
 778
 779 static int m88e1111_config_init_sgmii(struct phy_device *phydev)
 780 {
 781         int err;
 782
 783         err = m88e1111_config_init_hwcfg_mode(
 784                 phydev,
 785                 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
 786                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 787         if (err < 0)
 788                 return err;
 789
 790         /* make sure copper is selected */
 791         return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 792 }
 793
 794 static int m88e1111_config_init_rtbi(struct phy_device *phydev)
 795 {
 796         int err;
 797
 798         err = m88e1111_config_init_rgmii_delays(phydev);
 799         if (err < 0)
 800                 return err;
 801
 802         err = m88e1111_config_init_hwcfg_mode(
 803                 phydev,
 804                 MII_M1111_HWCFG_MODE_RTBI,
 805                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 806         if (err < 0)
 807                 return err;
 808
 809         /* soft reset */
 810         err = genphy_soft_reset(phydev);
 811         if (err < 0)
 812                 return err;
 813
 814         return m88e1111_config_init_hwcfg_mode(
 815                 phydev,
 816                 MII_M1111_HWCFG_MODE_RTBI,
 817                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
 818 }
 819
 820 static int m88e1111_config_init(struct phy_device *phydev)
 821 {
 822         int err;
 823
 824         if (phy_interface_is_rgmii(phydev)) {
 825                 err = m88e1111_config_init_rgmii(phydev);
 826                 if (err < 0)
 827                         return err;
 828         }
 829
 830         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 831                 err = m88e1111_config_init_sgmii(phydev);
 832                 if (err < 0)
 833                         return err;
 834         }
 835
 836         if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
 837                 err = m88e1111_config_init_rtbi(phydev);
 838                 if (err < 0)
 839                         return err;
 840         }
 841
 842         err = marvell_of_reg_init(phydev);
 843         if (err < 0)
 844                 return err;
 845
 846         return genphy_soft_reset(phydev);
 847 }
 848
 849 static int m88e1318_config_init(struct phy_device *phydev)
 850 {
 851         if (phy_interrupt_is_valid(phydev)) {
 852                 int err = phy_modify_paged(
 853                         phydev, MII_MARVELL_LED_PAGE,
 854                         MII_88E1318S_PHY_LED_TCR,
 855                         MII_88E1318S_PHY_LED_TCR_FORCE_INT,
 856                         MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
 857                         MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
 858                 if (err < 0)
 859                         return err;
 860         }
 861
 862         return marvell_config_init(phydev);
 863 }
 864
 865 static int m88e1510_config_init(struct phy_device *phydev)
 866 {
 867         int err;
 868
 869         /* SGMII-to-Copper mode initialization */
 870         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 871                 /* Select page 18 */
 872                 err = marvell_set_page(phydev, 18);
 873                 if (err < 0)
 874                         return err;
 875
 876                 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
 877                 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
 878                                  MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
 879                                  MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
 880                 if (err < 0)
 881                         return err;
 882
 883                 /* PHY reset is necessary after changing MODE[2:0] */
 884                 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0,
 885                                  MII_88E1510_GEN_CTRL_REG_1_RESET);
 886                 if (err < 0)
 887                         return err;
 888
 889                 /* Reset page selection */
 890                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 891                 if (err < 0)
 892                         return err;
 893         }
 894
 895         return m88e1318_config_init(phydev);
 896 }
 897
 898 static int m88e1118_config_aneg(struct phy_device *phydev)
 899 {
 900         int err;
 901
 902         err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
 903         if (err < 0)
 904                 return err;
 905
 906         err = genphy_config_aneg(phydev);
 907         if (err < 0)
 908                 return err;
 909
 910         return genphy_soft_reset(phydev);
 911 }
 912
 913 static int m88e1118_config_init(struct phy_device *phydev)
 914 {
 915         int err;
 916
 917         /* Change address */
 918         err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
 919         if (err < 0)
 920                 return err;
 921
 922         /* Enable 1000 Mbit */
 923         err = phy_write(phydev, 0x15, 0x1070);
 924         if (err < 0)
 925                 return err;
 926
 927         /* Change address */
 928         err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
 929         if (err < 0)
 930                 return err;
 931
 932         if (phy_interface_is_rgmii(phydev)) {
 933                 err = m88e1121_config_aneg_rgmii_delays(phydev);
 934                 if (err < 0)
 935                         return err;
 936         }
 937
 938         /* Adjust LED Control */
 939         if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
 940                 err = phy_write(phydev, 0x10, 0x1100);
 941         else
 942                 err = phy_write(phydev, 0x10, 0x021e);
 943         if (err < 0)
 944                 return err;
 945
 946         err = marvell_of_reg_init(phydev);
 947         if (err < 0)
 948                 return err;
 949
 950         /* Reset address */
 951         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 952         if (err < 0)
 953                 return err;
 954
 955         return genphy_soft_reset(phydev);
 956 }
 957
 958 static int m88e1149_config_init(struct phy_device *phydev)
 959 {
 960         int err;
 961
 962         /* Change address */
 963         err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
 964         if (err < 0)
 965                 return err;
 966
 967         /* Enable 1000 Mbit */
 968         err = phy_write(phydev, 0x15, 0x1048);
 969         if (err < 0)
 970                 return err;
 971
 972         err = marvell_of_reg_init(phydev);
 973         if (err < 0)
 974                 return err;
 975
 976         /* Reset address */
 977         err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
 978         if (err < 0)
 979                 return err;
 980
 981         return genphy_soft_reset(phydev);
 982 }
 983
 984 static int m88e1145_config_init_rgmii(struct phy_device *phydev)
 985 {
 986         int err;
 987
 988         err = m88e1111_config_init_rgmii_delays(phydev);
 989         if (err < 0)
 990                 return err;
 991
 992         if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
 993                 err = phy_write(phydev, 0x1d, 0x0012);
 994                 if (err < 0)
 995                         return err;
 996
 997                 err = phy_modify(phydev, 0x1e, 0x0fc0,
 998                                  2 << 9 | /* 36 ohm */
 999                                  2 << 6); /* 39 ohm */
1000                 if (err < 0)
1001                         return err;
1002
1003                 err = phy_write(phydev, 0x1d, 0x3);
1004                 if (err < 0)
1005                         return err;
1006
1007                 err = phy_write(phydev, 0x1e, 0x8000);
1008         }
1009         return err;
1010 }
1011
1012 static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1013 {
1014         return m88e1111_config_init_hwcfg_mode(
1015                 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1016                 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1017 }
1018
1019 static int m88e1145_config_init(struct phy_device *phydev)
1020 {
1021         int err;
1022
1023         /* Take care of errata E0 & E1 */
1024         err = phy_write(phydev, 0x1d, 0x001b);
1025         if (err < 0)
1026                 return err;
1027
1028         err = phy_write(phydev, 0x1e, 0x418f);
1029         if (err < 0)
1030                 return err;
1031
1032         err = phy_write(phydev, 0x1d, 0x0016);
1033         if (err < 0)
1034                 return err;
1035
1036         err = phy_write(phydev, 0x1e, 0xa2da);
1037         if (err < 0)
1038                 return err;
1039
1040         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1041                 err = m88e1145_config_init_rgmii(phydev);
1042                 if (err < 0)
1043                         return err;
1044         }
1045
1046         if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1047                 err = m88e1145_config_init_sgmii(phydev);
1048                 if (err < 0)
1049                         return err;
1050         }
1051
1052         err = marvell_of_reg_init(phydev);
1053         if (err < 0)
1054                 return err;
1055
1056         return 0;
1057 }
1058
1059 /* The VOD can be out of specification on link up. Poke an
1060  * undocumented register, in an undocumented page, with a magic value
1061  * to fix this.
1062  */
1063 static int m88e6390_errata(struct phy_device *phydev)
1064 {
1065         int err;
1066
1067         err = phy_write(phydev, MII_BMCR,
1068                         BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
1069         if (err)
1070                 return err;
1071
1072         usleep_range(300, 400);
1073
1074         err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
1075         if (err)
1076                 return err;
1077
1078         return genphy_soft_reset(phydev);
1079 }
1080
1081 static int m88e6390_config_aneg(struct phy_device *phydev)
1082 {
1083         int err;
1084
1085         err = m88e6390_errata(phydev);
1086         if (err)
1087                 return err;
1088
1089         return m88e1510_config_aneg(phydev);
1090 }
1091
1092 /**
1093  * fiber_lpa_to_ethtool_lpa_t
1094  * @lpa: value of the MII_LPA register for fiber link
1095  *
1096  * A small helper function that translates MII_LPA
1097  * bits to ethtool LP advertisement settings.
1098  */
1099 static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
1100 {
1101         u32 result = 0;
1102
1103         if (lpa & LPA_FIBER_1000HALF)
1104                 result |= ADVERTISED_1000baseT_Half;
1105         if (lpa & LPA_FIBER_1000FULL)
1106                 result |= ADVERTISED_1000baseT_Full;
1107
1108         return result;
1109 }
1110
1111 /**
1112  * marvell_update_link - update link status in real time in @phydev
1113  * @phydev: target phy_device struct
1114  *
1115  * Description: Update the value in phydev->link to reflect the
1116  *   current link value.
1117  */
1118 static int marvell_update_link(struct phy_device *phydev, int fiber)
1119 {
1120         int status;
1121
1122         /* Use the generic register for copper link, or specific
1123          * register for fiber case
1124          */
1125         if (fiber) {
1126                 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1127                 if (status < 0)
1128                         return status;
1129
1130                 if ((status & REGISTER_LINK_STATUS) == 0)
1131                         phydev->link = 0;
1132                 else
1133                         phydev->link = 1;
1134         } else {
1135                 return genphy_update_link(phydev);
1136         }
1137
1138         return 0;
1139 }
1140
1141 static int marvell_read_status_page_an(struct phy_device *phydev,
1142                                        int fiber)
1143 {
1144         int status;
1145         int lpa;
1146         int lpagb;
1147
1148         status = phy_read(phydev, MII_M1011_PHY_STATUS);
1149         if (status < 0)
1150                 return status;
1151
1152         lpa = phy_read(phydev, MII_LPA);
1153         if (lpa < 0)
1154                 return lpa;
1155
1156         lpagb = phy_read(phydev, MII_STAT1000);
1157         if (lpagb < 0)
1158                 return lpagb;
1159
1160         if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1161                 phydev->duplex = DUPLEX_FULL;
1162         else
1163                 phydev->duplex = DUPLEX_HALF;
1164
1165         status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1166         phydev->pause = 0;
1167         phydev->asym_pause = 0;
1168
1169         switch (status) {
1170         case MII_M1011_PHY_STATUS_1000:
1171                 phydev->speed = SPEED_1000;
1172                 break;
1173
1174         case MII_M1011_PHY_STATUS_100:
1175                 phydev->speed = SPEED_100;
1176                 break;
1177
1178         default:
1179                 phydev->speed = SPEED_10;
1180                 break;
1181         }
1182
1183         if (!fiber) {
1184                 phydev->lp_advertising =
1185                         mii_stat1000_to_ethtool_lpa_t(lpagb) |
1186                         mii_lpa_to_ethtool_lpa_t(lpa);
1187
1188                 if (phydev->duplex == DUPLEX_FULL) {
1189                         phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1190                         phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1191                 }
1192         } else {
1193                 /* The fiber link is only 1000M capable */
1194                 phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
1195
1196                 if (phydev->duplex == DUPLEX_FULL) {
1197                         if (!(lpa & LPA_PAUSE_FIBER)) {
1198                                 phydev->pause = 0;
1199                                 phydev->asym_pause = 0;
1200                         } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1201                                 phydev->pause = 1;
1202                                 phydev->asym_pause = 1;
1203                         } else {
1204                                 phydev->pause = 1;
1205                                 phydev->asym_pause = 0;
1206                         }
1207                 }
1208         }
1209         return 0;
1210 }
1211
1212 static int marvell_read_status_page_fixed(struct phy_device *phydev)
1213 {
1214         int bmcr = phy_read(phydev, MII_BMCR);
1215
1216         if (bmcr < 0)
1217                 return bmcr;
1218
1219         if (bmcr & BMCR_FULLDPLX)
1220                 phydev->duplex = DUPLEX_FULL;
1221         else
1222                 phydev->duplex = DUPLEX_HALF;
1223
1224         if (bmcr & BMCR_SPEED1000)
1225                 phydev->speed = SPEED_1000;
1226         else if (bmcr & BMCR_SPEED100)
1227                 phydev->speed = SPEED_100;
1228         else
1229                 phydev->speed = SPEED_10;
1230
1231         phydev->pause = 0;
1232         phydev->asym_pause = 0;
1233         phydev->lp_advertising = 0;
1234
1235         return 0;
1236 }
1237
1238 /* marvell_read_status_page
1239  *
1240  * Description:
1241  *   Check the link, then figure out the current state
1242  *   by comparing what we advertise with what the link partner
1243  *   advertises.  Start by checking the gigabit possibilities,
1244  *   then move on to 10/100.
1245  */
1246 static int marvell_read_status_page(struct phy_device *phydev, int page)
1247 {
1248         int fiber;
1249         int err;
1250
1251         /* Detect and update the link, but return if there
1252          * was an error
1253          */
1254         if (page == MII_MARVELL_FIBER_PAGE)
1255                 fiber = 1;
1256         else
1257                 fiber = 0;
1258
1259         err = marvell_update_link(phydev, fiber);
1260         if (err)
1261                 return err;
1262
1263         if (phydev->autoneg == AUTONEG_ENABLE)
1264                 err = marvell_read_status_page_an(phydev, fiber);
1265         else
1266                 err = marvell_read_status_page_fixed(phydev);
1267
1268         return err;
1269 }
1270
1271 /* marvell_read_status
1272  *
1273  * Some Marvell's phys have two modes: fiber and copper.
1274  * Both need status checked.
1275  * Description:
1276  *   First, check the fiber link and status.
1277  *   If the fiber link is down, check the copper link and status which
1278  *   will be the default value if both link are down.
1279  */
1280 static int marvell_read_status(struct phy_device *phydev)
1281 {
1282         int err;
1283
1284         /* Check the fiber mode first */
1285         if (phydev->supported & SUPPORTED_FIBRE &&
1286             phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1287                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1288                 if (err < 0)
1289                         goto error;
1290
1291                 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1292                 if (err < 0)
1293                         goto error;
1294
1295                 /* If the fiber link is up, it is the selected and
1296                  * used link. In this case, we need to stay in the
1297                  * fiber page. Please to be careful about that, avoid
1298                  * to restore Copper page in other functions which
1299                  * could break the behaviour for some fiber phy like
1300                  * 88E1512.
1301                  */
1302                 if (phydev->link)
1303                         return 0;
1304
1305                 /* If fiber link is down, check and save copper mode state */
1306                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1307                 if (err < 0)
1308                         goto error;
1309         }
1310
1311         return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1312
1313 error:
1314         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1315         return err;
1316 }
1317
1318 /* marvell_suspend
1319  *
1320  * Some Marvell's phys have two modes: fiber and copper.
1321  * Both need to be suspended
1322  */
1323 static int marvell_suspend(struct phy_device *phydev)
1324 {
1325         int err;
1326
1327         /* Suspend the fiber mode first */
1328         if (!(phydev->supported & SUPPORTED_FIBRE)) {
1329                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1330                 if (err < 0)
1331                         goto error;
1332
1333                 /* With the page set, use the generic suspend */
1334                 err = genphy_suspend(phydev);
1335                 if (err < 0)
1336                         goto error;
1337
1338                 /* Then, the copper link */
1339                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1340                 if (err < 0)
1341                         goto error;
1342         }
1343
1344         /* With the page set, use the generic suspend */
1345         return genphy_suspend(phydev);
1346
1347 error:
1348         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1349         return err;
1350 }
1351
1352 /* marvell_resume
1353  *
1354  * Some Marvell's phys have two modes: fiber and copper.
1355  * Both need to be resumed
1356  */
1357 static int marvell_resume(struct phy_device *phydev)
1358 {
1359         int err;
1360
1361         /* Resume the fiber mode first */
1362         if (!(phydev->supported & SUPPORTED_FIBRE)) {
1363                 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1364                 if (err < 0)
1365                         goto error;
1366
1367                 /* With the page set, use the generic resume */
1368                 err = genphy_resume(phydev);
1369                 if (err < 0)
1370                         goto error;
1371
1372                 /* Then, the copper link */
1373                 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1374                 if (err < 0)
1375                         goto error;
1376         }
1377
1378         /* With the page set, use the generic resume */
1379         return genphy_resume(phydev);
1380
1381 error:
1382         marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1383         return err;
1384 }
1385
1386 static int marvell_aneg_done(struct phy_device *phydev)
1387 {
1388         int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1389
1390         return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1391 }
1392
1393 static int m88e1121_did_interrupt(struct phy_device *phydev)
1394 {
1395         int imask;
1396
1397         imask = phy_read(phydev, MII_M1011_IEVENT);
1398
1399         if (imask & MII_M1011_IMASK_INIT)
1400                 return 1;
1401
1402         return 0;
1403 }
1404
1405 static void m88e1318_get_wol(struct phy_device *phydev,
1406                              struct ethtool_wolinfo *wol)
1407 {
1408         int oldpage, ret = 0;
1409
1410         wol->supported = WAKE_MAGIC;
1411         wol->wolopts = 0;
1412
1413         oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
1414         if (oldpage < 0)
1415                 goto error;
1416
1417         ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1418         if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1419                 wol->wolopts |= WAKE_MAGIC;
1420
1421 error:
1422         phy_restore_page(phydev, oldpage, ret);
1423 }
1424
1425 static int m88e1318_set_wol(struct phy_device *phydev,
1426                             struct ethtool_wolinfo *wol)
1427 {
1428         int err = 0, oldpage;
1429
1430         oldpage = phy_save_page(phydev);
1431         if (oldpage < 0)
1432                 goto error;
1433
1434         if (wol->wolopts & WAKE_MAGIC) {
1435                 /* Explicitly switch to page 0x00, just to be sure */
1436                 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1437                 if (err < 0)
1438                         goto error;
1439
1440                 /* If WOL event happened once, the LED[2] interrupt pin
1441                  * will not be cleared unless we reading the interrupt status
1442                  * register. If interrupts are in use, the normal interrupt
1443                  * handling will clear the WOL event. Clear the WOL event
1444                  * before enabling it if !phy_interrupt_is_valid()
1445                  */
1446                 if (!phy_interrupt_is_valid(phydev))
1447                         __phy_read(phydev, MII_M1011_IEVENT);
1448
1449                 /* Enable the WOL interrupt */
1450                 err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0,
1451                                    MII_88E1318S_PHY_CSIER_WOL_EIE);
1452                 if (err < 0)
1453                         goto error;
1454
1455                 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1456                 if (err < 0)
1457                         goto error;
1458
1459                 /* Setup LED[2] as interrupt pin (active low) */
1460                 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1461                                    MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1462                                    MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1463                                    MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1464                 if (err < 0)
1465                         goto error;
1466
1467                 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1468                 if (err < 0)
1469                         goto error;
1470
1471                 /* Store the device address for the magic packet */
1472                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1473                                 ((phydev->attached_dev->dev_addr[5] << 8) |
1474                                  phydev->attached_dev->dev_addr[4]));
1475                 if (err < 0)
1476                         goto error;
1477                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1478                                 ((phydev->attached_dev->dev_addr[3] << 8) |
1479                                  phydev->attached_dev->dev_addr[2]));
1480                 if (err < 0)
1481                         goto error;
1482                 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1483                                 ((phydev->attached_dev->dev_addr[1] << 8) |
1484                                  phydev->attached_dev->dev_addr[0]));
1485                 if (err < 0)
1486                         goto error;
1487
1488                 /* Clear WOL status and enable magic packet matching */
1489                 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1490                                    MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1491                                    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1492                 if (err < 0)
1493                         goto error;
1494         } else {
1495                 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1496                 if (err < 0)
1497                         goto error;
1498
1499                 /* Clear WOL status and disable magic packet matching */
1500                 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1501                                    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1502                                    MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1503                 if (err < 0)
1504                         goto error;
1505         }
1506
1507 error:
1508         return phy_restore_page(phydev, oldpage, err);
1509 }
1510
1511 static int marvell_get_sset_count(struct phy_device *phydev)
1512 {
1513         if (phydev->supported & SUPPORTED_FIBRE)
1514                 return ARRAY_SIZE(marvell_hw_stats);
1515         else
1516                 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1517 }
1518
1519 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1520 {
1521         int count = marvell_get_sset_count(phydev);
1522         int i;
1523
1524         for (i = 0; i < count; i++) {
1525                 strlcpy(data + i * ETH_GSTRING_LEN,
1526                         marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1527         }
1528 }
1529
1530 static u64 marvell_get_stat(struct phy_device *phydev, int i)
1531 {
1532         struct marvell_hw_stat stat = marvell_hw_stats[i];
1533         struct marvell_priv *priv = phydev->priv;
1534         int val;
1535         u64 ret;
1536
1537         val = phy_read_paged(phydev, stat.page, stat.reg);
1538         if (val < 0) {
1539                 ret = U64_MAX;
1540         } else {
1541                 val = val & ((1 << stat.bits) - 1);
1542                 priv->stats[i] += val;
1543                 ret = priv->stats[i];
1544         }
1545
1546         return ret;
1547 }
1548
1549 static void marvell_get_stats(struct phy_device *phydev,
1550                               struct ethtool_stats *stats, u64 *data)
1551 {
1552         int count = marvell_get_sset_count(phydev);
1553         int i;
1554
1555         for (i = 0; i < count; i++)
1556                 data[i] = marvell_get_stat(phydev, i);
1557 }
1558
1559 #ifdef CONFIG_HWMON
1560 static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
1561 {
1562         int oldpage;
1563         int ret = 0;
1564         int val;
1565
1566         *temp = 0;
1567
1568         oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1569         if (oldpage < 0)
1570                 goto error;
1571
1572         /* Enable temperature sensor */
1573         ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
1574         if (ret < 0)
1575                 goto error;
1576
1577         ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1578                           ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1579         if (ret < 0)
1580                 goto error;
1581
1582         /* Wait for temperature to stabilize */
1583         usleep_range(10000, 12000);
1584
1585         val = __phy_read(phydev, MII_88E1121_MISC_TEST);
1586         if (val < 0) {
1587                 ret = val;
1588                 goto error;
1589         }
1590
1591         /* Disable temperature sensor */
1592         ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1593                           ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1594         if (ret < 0)
1595                 goto error;
1596
1597         *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
1598
1599 error:
1600         return phy_restore_page(phydev, oldpage, ret);
1601 }
1602
1603 static int m88e1121_hwmon_read(struct device *dev,
1604                                enum hwmon_sensor_types type,
1605                                u32 attr, int channel, long *temp)
1606 {
1607         struct phy_device *phydev = dev_get_drvdata(dev);
1608         int err;
1609
1610         switch (attr) {
1611         case hwmon_temp_input:
1612                 err = m88e1121_get_temp(phydev, temp);
1613                 break;
1614         default:
1615                 return -EOPNOTSUPP;
1616         }
1617
1618         return err;
1619 }
1620
1621 static umode_t m88e1121_hwmon_is_visible(const void *data,
1622                                          enum hwmon_sensor_types type,
1623                                          u32 attr, int channel)
1624 {
1625         if (type != hwmon_temp)
1626                 return 0;
1627
1628         switch (attr) {
1629         case hwmon_temp_input:
1630                 return 0444;
1631         default:
1632                 return 0;
1633         }
1634 }
1635
1636 static u32 m88e1121_hwmon_chip_config[] = {
1637         HWMON_C_REGISTER_TZ,
1638         0
1639 };
1640
1641 static const struct hwmon_channel_info m88e1121_hwmon_chip = {
1642         .type = hwmon_chip,
1643         .config = m88e1121_hwmon_chip_config,
1644 };
1645
1646 static u32 m88e1121_hwmon_temp_config[] = {
1647         HWMON_T_INPUT,
1648         0
1649 };
1650
1651 static const struct hwmon_channel_info m88e1121_hwmon_temp = {
1652         .type = hwmon_temp,
1653         .config = m88e1121_hwmon_temp_config,
1654 };
1655
1656 static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
1657         &m88e1121_hwmon_chip,
1658         &m88e1121_hwmon_temp,
1659         NULL
1660 };
1661
1662 static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
1663         .is_visible = m88e1121_hwmon_is_visible,
1664         .read = m88e1121_hwmon_read,
1665 };
1666
1667 static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
1668         .ops = &m88e1121_hwmon_hwmon_ops,
1669         .info = m88e1121_hwmon_info,
1670 };
1671
1672 static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
1673 {
1674         int ret;
1675
1676         *temp = 0;
1677
1678         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1679                              MII_88E1510_TEMP_SENSOR);
1680         if (ret < 0)
1681                 return ret;
1682
1683         *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
1684
1685         return 0;
1686 }
1687
1688 static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
1689 {
1690         int ret;
1691
1692         *temp = 0;
1693
1694         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1695                              MII_88E1121_MISC_TEST);
1696         if (ret < 0)
1697                 return ret;
1698
1699         *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
1700                   MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
1701         /* convert to mC */
1702         *temp *= 1000;
1703
1704         return 0;
1705 }
1706
1707 static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
1708 {
1709         temp = temp / 1000;
1710         temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
1711
1712         return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1713                                 MII_88E1121_MISC_TEST,
1714                                 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
1715                                 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
1716 }
1717
1718 static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
1719 {
1720         int ret;
1721
1722         *alarm = false;
1723
1724         ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1725                              MII_88E1121_MISC_TEST);
1726         if (ret < 0)
1727                 return ret;
1728
1729         *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
1730
1731         return 0;
1732 }
1733
1734 static int m88e1510_hwmon_read(struct device *dev,
1735                                enum hwmon_sensor_types type,
1736                                u32 attr, int channel, long *temp)
1737 {
1738         struct phy_device *phydev = dev_get_drvdata(dev);
1739         int err;
1740
1741         switch (attr) {
1742         case hwmon_temp_input:
1743                 err = m88e1510_get_temp(phydev, temp);
1744                 break;
1745         case hwmon_temp_crit:
1746                 err = m88e1510_get_temp_critical(phydev, temp);
1747                 break;
1748         case hwmon_temp_max_alarm:
1749                 err = m88e1510_get_temp_alarm(phydev, temp);
1750                 break;
1751         default:
1752                 return -EOPNOTSUPP;
1753         }
1754
1755         return err;
1756 }
1757
1758 static int m88e1510_hwmon_write(struct device *dev,
1759                                 enum hwmon_sensor_types type,
1760                                 u32 attr, int channel, long temp)
1761 {
1762         struct phy_device *phydev = dev_get_drvdata(dev);
1763         int err;
1764
1765         switch (attr) {
1766         case hwmon_temp_crit:
1767                 err = m88e1510_set_temp_critical(phydev, temp);
1768                 break;
1769         default:
1770                 return -EOPNOTSUPP;
1771         }
1772         return err;
1773 }
1774
1775 static umode_t m88e1510_hwmon_is_visible(const void *data,
1776                                          enum hwmon_sensor_types type,
1777                                          u32 attr, int channel)
1778 {
1779         if (type != hwmon_temp)
1780                 return 0;
1781
1782         switch (attr) {
1783         case hwmon_temp_input:
1784         case hwmon_temp_max_alarm:
1785                 return 0444;
1786         case hwmon_temp_crit:
1787                 return 0644;
1788         default:
1789                 return 0;
1790         }
1791 }
1792
1793 static u32 m88e1510_hwmon_temp_config[] = {
1794         HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
1795         0
1796 };
1797
1798 static const struct hwmon_channel_info m88e1510_hwmon_temp = {
1799         .type = hwmon_temp,
1800         .config = m88e1510_hwmon_temp_config,
1801 };
1802
1803 static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
1804         &m88e1121_hwmon_chip,
1805         &m88e1510_hwmon_temp,
1806         NULL
1807 };
1808
1809 static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
1810         .is_visible = m88e1510_hwmon_is_visible,
1811         .read = m88e1510_hwmon_read,
1812         .write = m88e1510_hwmon_write,
1813 };
1814
1815 static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
1816         .ops = &m88e1510_hwmon_hwmon_ops,
1817         .info = m88e1510_hwmon_info,
1818 };
1819
1820 static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
1821 {
1822         int sum = 0;
1823         int oldpage;
1824         int ret = 0;
1825         int i;
1826
1827         *temp = 0;
1828
1829         oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1830         if (oldpage < 0)
1831                 goto error;
1832
1833         /* Enable temperature sensor */
1834         ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1835         if (ret < 0)
1836                 goto error;
1837
1838         ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1839         ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE |
1840                 MII_88E6390_MISC_TEST_SAMPLE_1S;
1841
1842         ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1843         if (ret < 0)
1844                 goto error;
1845
1846         /* Wait for temperature to stabilize */
1847         usleep_range(10000, 12000);
1848
1849         /* Reading the temperature sense has an errata. You need to read
1850          * a number of times and take an average.
1851          */
1852         for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
1853                 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
1854                 if (ret < 0)
1855                         goto error;
1856                 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
1857         }
1858
1859         sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
1860         *temp = (sum  - 75) * 1000;
1861
1862         /* Disable temperature sensor */
1863         ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1864         if (ret < 0)
1865                 goto error;
1866
1867         ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1868         ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE;
1869
1870         ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1871
1872 error:
1873         phy_restore_page(phydev, oldpage, ret);
1874
1875         return ret;
1876 }
1877
1878 static int m88e6390_hwmon_read(struct device *dev,
1879                                enum hwmon_sensor_types type,
1880                                u32 attr, int channel, long *temp)
1881 {
1882         struct phy_device *phydev = dev_get_drvdata(dev);
1883         int err;
1884
1885         switch (attr) {
1886         case hwmon_temp_input:
1887                 err = m88e6390_get_temp(phydev, temp);
1888                 break;
1889         default:
1890                 return -EOPNOTSUPP;
1891         }
1892
1893         return err;
1894 }
1895
1896 static umode_t m88e6390_hwmon_is_visible(const void *data,
1897                                          enum hwmon_sensor_types type,
1898                                          u32 attr, int channel)
1899 {
1900         if (type != hwmon_temp)
1901                 return 0;
1902
1903         switch (attr) {
1904         case hwmon_temp_input:
1905                 return 0444;
1906         default:
1907                 return 0;
1908         }
1909 }
1910
1911 static u32 m88e6390_hwmon_temp_config[] = {
1912         HWMON_T_INPUT,
1913         0
1914 };
1915
1916 static const struct hwmon_channel_info m88e6390_hwmon_temp = {
1917         .type = hwmon_temp,
1918         .config = m88e6390_hwmon_temp_config,
1919 };
1920
1921 static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
1922         &m88e1121_hwmon_chip,
1923         &m88e6390_hwmon_temp,
1924         NULL
1925 };
1926
1927 static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
1928         .is_visible = m88e6390_hwmon_is_visible,
1929         .read = m88e6390_hwmon_read,
1930 };
1931
1932 static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
1933         .ops = &m88e6390_hwmon_hwmon_ops,
1934         .info = m88e6390_hwmon_info,
1935 };
1936
1937 static int marvell_hwmon_name(struct phy_device *phydev)
1938 {
1939         struct marvell_priv *priv = phydev->priv;
1940         struct device *dev = &phydev->mdio.dev;
1941         const char *devname = dev_name(dev);
1942         size_t len = strlen(devname);
1943         int i, j;
1944
1945         priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
1946         if (!priv->hwmon_name)
1947                 return -ENOMEM;
1948
1949         for (i = j = 0; i < len && devname[i]; i++) {
1950                 if (isalnum(devname[i]))
1951                         priv->hwmon_name[j++] = devname[i];
1952         }
1953
1954         return 0;
1955 }
1956
1957 static int marvell_hwmon_probe(struct phy_device *phydev,
1958                                const struct hwmon_chip_info *chip)
1959 {
1960         struct marvell_priv *priv = phydev->priv;
1961         struct device *dev = &phydev->mdio.dev;
1962         int err;
1963
1964         err = marvell_hwmon_name(phydev);
1965         if (err)
1966                 return err;
1967
1968         priv->hwmon_dev = devm_hwmon_device_register_with_info(
1969                 dev, priv->hwmon_name, phydev, chip, NULL);
1970
1971         return PTR_ERR_OR_ZERO(priv->hwmon_dev);
1972 }
1973
1974 static int m88e1121_hwmon_probe(struct phy_device *phydev)
1975 {
1976         return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
1977 }
1978
1979 static int m88e1510_hwmon_probe(struct phy_device *phydev)
1980 {
1981         return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
1982 }
1983
1984 static int m88e6390_hwmon_probe(struct phy_device *phydev)
1985 {
1986         return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
1987 }
1988 #else
1989 static int m88e1121_hwmon_probe(struct phy_device *phydev)
1990 {
1991         return 0;
1992 }
1993
1994 static int m88e1510_hwmon_probe(struct phy_device *phydev)
1995 {
1996         return 0;
1997 }
1998
1999 static int m88e6390_hwmon_probe(struct phy_device *phydev)
2000 {
2001         return 0;
2002 }
2003 #endif
2004
2005 static int marvell_probe(struct phy_device *phydev)
2006 {
2007         struct marvell_priv *priv;
2008
2009         priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
2010         if (!priv)
2011                 return -ENOMEM;
2012
2013         phydev->priv = priv;
2014
2015         return 0;
2016 }
2017
2018 static int m88e1121_probe(struct phy_device *phydev)
2019 {
2020         int err;
2021
2022         err = marvell_probe(phydev);
2023         if (err)
2024                 return err;
2025
2026         return m88e1121_hwmon_probe(phydev);
2027 }
2028
2029 static int m88e1510_probe(struct phy_device *phydev)
2030 {
2031         int err;
2032
2033         err = marvell_probe(phydev);
2034         if (err)
2035                 return err;
2036
2037         return m88e1510_hwmon_probe(phydev);
2038 }
2039
2040 static int m88e6390_probe(struct phy_device *phydev)
2041 {
2042         int err;
2043
2044         err = marvell_probe(phydev);
2045         if (err)
2046                 return err;
2047
2048         return m88e6390_hwmon_probe(phydev);
2049 }
2050
2051 static struct phy_driver marvell_drivers[] = {
2052         {
2053                 .phy_id = MARVELL_PHY_ID_88E1101,
2054                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2055                 .name = "Marvell 88E1101",
2056                 .features = PHY_GBIT_FEATURES,
2057                 .flags = PHY_HAS_INTERRUPT,
2058                 .probe = marvell_probe,
2059                 .config_init = &marvell_config_init,
2060                 .config_aneg = &m88e1101_config_aneg,
2061                 .ack_interrupt = &marvell_ack_interrupt,
2062                 .config_intr = &marvell_config_intr,
2063                 .resume = &genphy_resume,
2064                 .suspend = &genphy_suspend,
2065                 .read_page = marvell_read_page,
2066                 .write_page = marvell_write_page,
2067                 .get_sset_count = marvell_get_sset_count,
2068                 .get_strings = marvell_get_strings,
2069                 .get_stats = marvell_get_stats,
2070         },
2071         {
2072                 .phy_id = MARVELL_PHY_ID_88E1112,
2073                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2074                 .name = "Marvell 88E1112",
2075                 .features = PHY_GBIT_FEATURES,
2076                 .flags = PHY_HAS_INTERRUPT,
2077                 .probe = marvell_probe,
2078                 .config_init = &m88e1111_config_init,
2079                 .config_aneg = &marvell_config_aneg,
2080                 .ack_interrupt = &marvell_ack_interrupt,
2081                 .config_intr = &marvell_config_intr,
2082                 .resume = &genphy_resume,
2083                 .suspend = &genphy_suspend,
2084                 .read_page = marvell_read_page,
2085                 .write_page = marvell_write_page,
2086                 .get_sset_count = marvell_get_sset_count,
2087                 .get_strings = marvell_get_strings,
2088                 .get_stats = marvell_get_stats,
2089         },
2090         {
2091                 .phy_id = MARVELL_PHY_ID_88E1111,
2092                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2093                 .name = "Marvell 88E1111",
2094                 .features = PHY_GBIT_FEATURES,
2095                 .flags = PHY_HAS_INTERRUPT,
2096                 .probe = marvell_probe,
2097                 .config_init = &m88e1111_config_init,
2098                 .config_aneg = &m88e1111_config_aneg,
2099                 .read_status = &marvell_read_status,
2100                 .ack_interrupt = &marvell_ack_interrupt,
2101                 .config_intr = &marvell_config_intr,
2102                 .resume = &genphy_resume,
2103                 .suspend = &genphy_suspend,
2104                 .read_page = marvell_read_page,
2105                 .write_page = marvell_write_page,
2106                 .get_sset_count = marvell_get_sset_count,
2107                 .get_strings = marvell_get_strings,
2108                 .get_stats = marvell_get_stats,
2109         },
2110         {
2111                 .phy_id = MARVELL_PHY_ID_88E1118,
2112                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2113                 .name = "Marvell 88E1118",
2114                 .features = PHY_GBIT_FEATURES,
2115                 .flags = PHY_HAS_INTERRUPT,
2116                 .probe = marvell_probe,
2117                 .config_init = &m88e1118_config_init,
2118                 .config_aneg = &m88e1118_config_aneg,
2119                 .ack_interrupt = &marvell_ack_interrupt,
2120                 .config_intr = &marvell_config_intr,
2121                 .resume = &genphy_resume,
2122                 .suspend = &genphy_suspend,
2123                 .read_page = marvell_read_page,
2124                 .write_page = marvell_write_page,
2125                 .get_sset_count = marvell_get_sset_count,
2126                 .get_strings = marvell_get_strings,
2127                 .get_stats = marvell_get_stats,
2128         },
2129         {
2130                 .phy_id = MARVELL_PHY_ID_88E1121R,
2131                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2132                 .name = "Marvell 88E1121R",
2133                 .features = PHY_GBIT_FEATURES,
2134                 .flags = PHY_HAS_INTERRUPT,
2135                 .probe = &m88e1121_probe,
2136                 .config_init = &marvell_config_init,
2137                 .config_aneg = &m88e1121_config_aneg,
2138                 .read_status = &marvell_read_status,
2139                 .ack_interrupt = &marvell_ack_interrupt,
2140                 .config_intr = &marvell_config_intr,
2141                 .did_interrupt = &m88e1121_did_interrupt,
2142                 .resume = &genphy_resume,
2143                 .suspend = &genphy_suspend,
2144                 .read_page = marvell_read_page,
2145                 .write_page = marvell_write_page,
2146                 .get_sset_count = marvell_get_sset_count,
2147                 .get_strings = marvell_get_strings,
2148                 .get_stats = marvell_get_stats,
2149         },
2150         {
2151                 .phy_id = MARVELL_PHY_ID_88E1318S,
2152                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2153                 .name = "Marvell 88E1318S",
2154                 .features = PHY_GBIT_FEATURES,
2155                 .flags = PHY_HAS_INTERRUPT,
2156                 .probe = marvell_probe,
2157                 .config_init = &m88e1318_config_init,
2158                 .config_aneg = &m88e1318_config_aneg,
2159                 .read_status = &marvell_read_status,
2160                 .ack_interrupt = &marvell_ack_interrupt,
2161                 .config_intr = &marvell_config_intr,
2162                 .did_interrupt = &m88e1121_did_interrupt,
2163                 .get_wol = &m88e1318_get_wol,
2164                 .set_wol = &m88e1318_set_wol,
2165                 .resume = &genphy_resume,
2166                 .suspend = &genphy_suspend,
2167                 .read_page = marvell_read_page,
2168                 .write_page = marvell_write_page,
2169                 .get_sset_count = marvell_get_sset_count,
2170                 .get_strings = marvell_get_strings,
2171                 .get_stats = marvell_get_stats,
2172         },
2173         {
2174                 .phy_id = MARVELL_PHY_ID_88E1145,
2175                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2176                 .name = "Marvell 88E1145",
2177                 .features = PHY_GBIT_FEATURES,
2178                 .flags = PHY_HAS_INTERRUPT,
2179                 .probe = marvell_probe,
2180                 .config_init = &m88e1145_config_init,
2181                 .config_aneg = &m88e1101_config_aneg,
2182                 .read_status = &genphy_read_status,
2183                 .ack_interrupt = &marvell_ack_interrupt,
2184                 .config_intr = &marvell_config_intr,
2185                 .resume = &genphy_resume,
2186                 .suspend = &genphy_suspend,
2187                 .read_page = marvell_read_page,
2188                 .write_page = marvell_write_page,
2189                 .get_sset_count = marvell_get_sset_count,
2190                 .get_strings = marvell_get_strings,
2191                 .get_stats = marvell_get_stats,
2192         },
2193         {
2194                 .phy_id = MARVELL_PHY_ID_88E1149R,
2195                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2196                 .name = "Marvell 88E1149R",
2197                 .features = PHY_GBIT_FEATURES,
2198                 .flags = PHY_HAS_INTERRUPT,
2199                 .probe = marvell_probe,
2200                 .config_init = &m88e1149_config_init,
2201                 .config_aneg = &m88e1118_config_aneg,
2202                 .ack_interrupt = &marvell_ack_interrupt,
2203                 .config_intr = &marvell_config_intr,
2204                 .resume = &genphy_resume,
2205                 .suspend = &genphy_suspend,
2206                 .read_page = marvell_read_page,
2207                 .write_page = marvell_write_page,
2208                 .get_sset_count = marvell_get_sset_count,
2209                 .get_strings = marvell_get_strings,
2210                 .get_stats = marvell_get_stats,
2211         },
2212         {
2213                 .phy_id = MARVELL_PHY_ID_88E1240,
2214                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2215                 .name = "Marvell 88E1240",
2216                 .features = PHY_GBIT_FEATURES,
2217                 .flags = PHY_HAS_INTERRUPT,
2218                 .probe = marvell_probe,
2219                 .config_init = &m88e1111_config_init,
2220                 .config_aneg = &marvell_config_aneg,
2221                 .ack_interrupt = &marvell_ack_interrupt,
2222                 .config_intr = &marvell_config_intr,
2223                 .resume = &genphy_resume,
2224                 .suspend = &genphy_suspend,
2225                 .read_page = marvell_read_page,
2226                 .write_page = marvell_write_page,
2227                 .get_sset_count = marvell_get_sset_count,
2228                 .get_strings = marvell_get_strings,
2229                 .get_stats = marvell_get_stats,
2230         },
2231         {
2232                 .phy_id = MARVELL_PHY_ID_88E1116R,
2233                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2234                 .name = "Marvell 88E1116R",
2235                 .features = PHY_GBIT_FEATURES,
2236                 .flags = PHY_HAS_INTERRUPT,
2237                 .probe = marvell_probe,
2238                 .config_init = &m88e1116r_config_init,
2239                 .ack_interrupt = &marvell_ack_interrupt,
2240                 .config_intr = &marvell_config_intr,
2241                 .resume = &genphy_resume,
2242                 .suspend = &genphy_suspend,
2243                 .read_page = marvell_read_page,
2244                 .write_page = marvell_write_page,
2245                 .get_sset_count = marvell_get_sset_count,
2246                 .get_strings = marvell_get_strings,
2247                 .get_stats = marvell_get_stats,
2248         },
2249         {
2250                 .phy_id = MARVELL_PHY_ID_88E1510,
2251                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2252                 .name = "Marvell 88E1510",
2253                 .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
2254                 .flags = PHY_HAS_INTERRUPT,
2255                 .probe = &m88e1510_probe,
2256                 .config_init = &m88e1510_config_init,
2257                 .config_aneg = &m88e1510_config_aneg,
2258                 .read_status = &marvell_read_status,
2259                 .ack_interrupt = &marvell_ack_interrupt,
2260                 .config_intr = &marvell_config_intr,
2261                 .did_interrupt = &m88e1121_did_interrupt,
2262                 .get_wol = &m88e1318_get_wol,
2263                 .set_wol = &m88e1318_set_wol,
2264                 .resume = &marvell_resume,
2265                 .suspend = &marvell_suspend,
2266                 .read_page = marvell_read_page,
2267                 .write_page = marvell_write_page,
2268                 .get_sset_count = marvell_get_sset_count,
2269                 .get_strings = marvell_get_strings,
2270                 .get_stats = marvell_get_stats,
2271                 .set_loopback = genphy_loopback,
2272         },
2273         {
2274                 .phy_id = MARVELL_PHY_ID_88E1540,
2275                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2276                 .name = "Marvell 88E1540",
2277                 .features = PHY_GBIT_FEATURES,
2278                 .flags = PHY_HAS_INTERRUPT,
2279                 .probe = m88e1510_probe,
2280                 .config_init = &marvell_config_init,
2281                 .config_aneg = &m88e1510_config_aneg,
2282                 .read_status = &marvell_read_status,
2283                 .ack_interrupt = &marvell_ack_interrupt,
2284                 .config_intr = &marvell_config_intr,
2285                 .did_interrupt = &m88e1121_did_interrupt,
2286                 .resume = &genphy_resume,
2287                 .suspend = &genphy_suspend,
2288                 .read_page = marvell_read_page,
2289                 .write_page = marvell_write_page,
2290                 .get_sset_count = marvell_get_sset_count,
2291                 .get_strings = marvell_get_strings,
2292                 .get_stats = marvell_get_stats,
2293         },
2294         {
2295                 .phy_id = MARVELL_PHY_ID_88E1545,
2296                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2297                 .name = "Marvell 88E1545",
2298                 .probe = m88e1510_probe,
2299                 .features = PHY_GBIT_FEATURES,
2300                 .flags = PHY_HAS_INTERRUPT,
2301                 .config_init = &marvell_config_init,
2302                 .config_aneg = &m88e1510_config_aneg,
2303                 .read_status = &marvell_read_status,
2304                 .ack_interrupt = &marvell_ack_interrupt,
2305                 .config_intr = &marvell_config_intr,
2306                 .did_interrupt = &m88e1121_did_interrupt,
2307                 .resume = &genphy_resume,
2308                 .suspend = &genphy_suspend,
2309                 .read_page = marvell_read_page,
2310                 .write_page = marvell_write_page,
2311                 .get_sset_count = marvell_get_sset_count,
2312                 .get_strings = marvell_get_strings,
2313                 .get_stats = marvell_get_stats,
2314         },
2315         {
2316                 .phy_id = MARVELL_PHY_ID_88E3016,
2317                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2318                 .name = "Marvell 88E3016",
2319                 .features = PHY_BASIC_FEATURES,
2320                 .flags = PHY_HAS_INTERRUPT,
2321                 .probe = marvell_probe,
2322                 .config_init = &m88e3016_config_init,
2323                 .aneg_done = &marvell_aneg_done,
2324                 .read_status = &marvell_read_status,
2325                 .ack_interrupt = &marvell_ack_interrupt,
2326                 .config_intr = &marvell_config_intr,
2327                 .did_interrupt = &m88e1121_did_interrupt,
2328                 .resume = &genphy_resume,
2329                 .suspend = &genphy_suspend,
2330                 .read_page = marvell_read_page,
2331                 .write_page = marvell_write_page,
2332                 .get_sset_count = marvell_get_sset_count,
2333                 .get_strings = marvell_get_strings,
2334                 .get_stats = marvell_get_stats,
2335         },
2336         {
2337                 .phy_id = MARVELL_PHY_ID_88E6341_FAMILY,
2338                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2339                 .name = "Marvell 88E6341 Family",
2340                 .features = PHY_GBIT_FEATURES,
2341                 .flags = PHY_HAS_INTERRUPT,
2342                 .probe = m88e1510_probe,
2343                 .config_init = &marvell_config_init,
2344                 .config_aneg = &m88e6390_config_aneg,
2345                 .read_status = &marvell_read_status,
2346                 .ack_interrupt = &marvell_ack_interrupt,
2347                 .config_intr = &marvell_config_intr,
2348                 .did_interrupt = &m88e1121_did_interrupt,
2349                 .resume = &genphy_resume,
2350                 .suspend = &genphy_suspend,
2351                 .read_page = marvell_read_page,
2352                 .write_page = marvell_write_page,
2353                 .get_sset_count = marvell_get_sset_count,
2354                 .get_strings = marvell_get_strings,
2355                 .get_stats = marvell_get_stats,
2356         },
2357         {
2358                 .phy_id = MARVELL_PHY_ID_88E6390_FAMILY,
2359                 .phy_id_mask = MARVELL_PHY_ID_MASK,
2360                 .name = "Marvell 88E6390 Family",
2361                 .features = PHY_GBIT_FEATURES,
2362                 .flags = PHY_HAS_INTERRUPT,
2363                 .probe = m88e6390_probe,
2364                 .config_init = &marvell_config_init,
2365                 .config_aneg = &m88e6390_config_aneg,
2366                 .read_status = &marvell_read_status,
2367                 .ack_interrupt = &marvell_ack_interrupt,
2368                 .config_intr = &marvell_config_intr,
2369                 .did_interrupt = &m88e1121_did_interrupt,
2370                 .resume = &genphy_resume,
2371                 .suspend = &genphy_suspend,
2372                 .read_page = marvell_read_page,
2373                 .write_page = marvell_write_page,
2374                 .get_sset_count = marvell_get_sset_count,
2375                 .get_strings = marvell_get_strings,
2376                 .get_stats = marvell_get_stats,
2377         },
2378 };
2379
2380 module_phy_driver(marvell_drivers);
2381
2382 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
2383         { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
2384         { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
2385         { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
2386         { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
2387         { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
2388         { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
2389         { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
2390         { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
2391         { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
2392         { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
2393         { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
2394         { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
2395         { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
2396         { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
2397         { MARVELL_PHY_ID_88E6341_FAMILY, MARVELL_PHY_ID_MASK },
2398         { MARVELL_PHY_ID_88E6390_FAMILY, MARVELL_PHY_ID_MASK },
2399         { }
2400 };
2401
2402 MODULE_DEVICE_TABLE(mdio, marvell_tbl);