target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c

   1 /*
   2  * Platform driver for the Realtek RTL8366S ethernet switch
   3  *
   4  * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published
   9  * by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/switch.h>
  19 #include <linux/rtl8366s.h>
  20
  21 #include "rtl8366_smi.h"
  22
  23 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
  24 #include <linux/debugfs.h>
  25 #endif
  26
  27 #define RTL8366S_DRIVER_DESC    "Realtek RTL8366S ethernet switch driver"
  28 #define RTL8366S_DRIVER_VER     "0.2.2"
  29
  30 #define RTL8366S_PHY_NO_MAX                 4
  31 #define RTL8366S_PHY_PAGE_MAX               7
  32 #define RTL8366S_PHY_ADDR_MAX               31
  33
  34 #define RTL8366_CHIP_GLOBAL_CTRL_REG        0x0000
  35 #define RTL8366_CHIP_CTRL_VLAN              (1 << 13)
  36
  37 #define RTL8366_RESET_CTRL_REG              0x0100
  38 #define RTL8366_CHIP_CTRL_RESET_HW          1
  39 #define RTL8366_CHIP_CTRL_RESET_SW          (1 << 1)
  40
  41 #define RTL8366S_CHIP_VERSION_CTRL_REG      0x0104
  42 #define RTL8366S_CHIP_VERSION_MASK          0xf
  43 #define RTL8366S_CHIP_ID_REG                0x0105
  44 #define RTL8366S_CHIP_ID_8366               0x8366
  45
  46 /* PHY registers control */
  47 #define RTL8366S_PHY_ACCESS_CTRL_REG        0x8028
  48 #define RTL8366S_PHY_ACCESS_DATA_REG        0x8029
  49
  50 #define RTL8366S_PHY_CTRL_READ              1
  51 #define RTL8366S_PHY_CTRL_WRITE             0
  52
  53 #define RTL8366S_PHY_REG_MASK               0x1f
  54 #define RTL8366S_PHY_PAGE_OFFSET            5
  55 #define RTL8366S_PHY_PAGE_MASK              (0x7 << 5)
  56 #define RTL8366S_PHY_NO_OFFSET              9
  57 #define RTL8366S_PHY_NO_MASK                (0x1f << 9)
  58
  59 /* LED control registers */
  60 #define RTL8366_LED_BLINKRATE_REG           0x0420
  61 #define RTL8366_LED_BLINKRATE_BIT           0
  62 #define RTL8366_LED_BLINKRATE_MASK          0x0007
  63
  64 #define RTL8366_LED_CTRL_REG                0x0421
  65 #define RTL8366_LED_0_1_CTRL_REG            0x0422
  66 #define RTL8366_LED_2_3_CTRL_REG            0x0423
  67
  68 #define RTL8366S_MIB_COUNT                  33
  69 #define RTL8366S_GLOBAL_MIB_COUNT           1
  70 #define RTL8366S_MIB_COUNTER_PORT_OFFSET    0x0040
  71 #define RTL8366S_MIB_COUNTER_BASE           0x1000
  72 #define RTL8366S_MIB_CTRL_REG               0x11F0
  73 #define RTL8366S_MIB_CTRL_USER_MASK         0x01FF
  74 #define RTL8366S_MIB_CTRL_BUSY_MASK         0x0001
  75 #define RTL8366S_MIB_CTRL_RESET_MASK        0x0002
  76
  77 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
  78 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT    0x0003
  79 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK   0x01FC
  80
  81
  82 #define RTL8366S_PORT_VLAN_CTRL_BASE        0x0058
  83 #define RTL8366S_PORT_VLAN_CTRL_REG(_p)  \
  84                 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
  85 #define RTL8366S_PORT_VLAN_CTRL_MASK        0xf
  86 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p)   (4 * ((_p) % 4))
  87
  88
  89 #define RTL8366S_VLAN_TABLE_READ_BASE       0x018B
  90 #define RTL8366S_VLAN_TABLE_WRITE_BASE      0x0185
  91
  92 #define RTL8366S_VLAN_TB_CTRL_REG           0x010F
  93
  94 #define RTL8366S_TABLE_ACCESS_CTRL_REG      0x0180
  95 #define RTL8366S_TABLE_VLAN_READ_CTRL       0x0E01
  96 #define RTL8366S_TABLE_VLAN_WRITE_CTRL      0x0F01
  97
  98 #define RTL8366S_VLAN_MEMCONF_BASE          0x0016
  99
 100
 101 #define RTL8366S_PORT_LINK_STATUS_BASE      0x0060
 102 #define RTL8366S_PORT_STATUS_SPEED_MASK     0x0003
 103 #define RTL8366S_PORT_STATUS_DUPLEX_MASK    0x0004
 104 #define RTL8366S_PORT_STATUS_LINK_MASK      0x0010
 105 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK   0x0020
 106 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK   0x0040
 107 #define RTL8366S_PORT_STATUS_AN_MASK        0x0080
 108
 109
 110 #define RTL8366_PORT_NUM_CPU                5
 111 #define RTL8366_NUM_PORTS                   6
 112 #define RTL8366_NUM_VLANS                   16
 113 #define RTL8366_NUM_LEDGROUPS               4
 114 #define RTL8366_NUM_VIDS                    4096
 115 #define RTL8366S_PRIORITYMAX                7
 116 #define RTL8366S_FIDMAX                     7
 117
 118
 119 #define RTL8366_PORT_1                      (1 << 0) /* In userspace port 0 */
 120 #define RTL8366_PORT_2                      (1 << 1) /* In userspace port 1 */
 121 #define RTL8366_PORT_3                      (1 << 2) /* In userspace port 2 */
 122 #define RTL8366_PORT_4                      (1 << 3) /* In userspace port 3 */
 123
 124 #define RTL8366_PORT_UNKNOWN                (1 << 4) /* No known connection */
 125 #define RTL8366_PORT_CPU                    (1 << 5) /* CPU port */
 126
 127 #define RTL8366_PORT_ALL                    (RTL8366_PORT_1 |       \
 128                                              RTL8366_PORT_2 |       \
 129                                              RTL8366_PORT_3 |       \
 130                                              RTL8366_PORT_4 |       \
 131                                              RTL8366_PORT_UNKNOWN | \
 132                                              RTL8366_PORT_CPU)
 133
 134 #define RTL8366_PORT_ALL_BUT_CPU            (RTL8366_PORT_1 |       \
 135                                              RTL8366_PORT_2 |       \
 136                                              RTL8366_PORT_3 |       \
 137                                              RTL8366_PORT_4 |       \
 138                                              RTL8366_PORT_UNKNOWN)
 139
 140 #define RTL8366_PORT_ALL_EXTERNAL           (RTL8366_PORT_1 |       \
 141                                              RTL8366_PORT_2 |       \
 142                                              RTL8366_PORT_3 |       \
 143                                              RTL8366_PORT_4)
 144
 145 #define RTL8366_PORT_ALL_INTERNAL           (RTL8366_PORT_UNKNOWN | \
 146                                              RTL8366_PORT_CPU)
 147
 148 struct rtl8366s {
 149         struct device           *parent;
 150         struct rtl8366_smi      smi;
 151         struct switch_dev       dev;
 152         char                    buf[4096];
 153 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 154         struct dentry           *debugfs_root;
 155 #endif
 156 };
 157
 158 struct rtl8366s_vlan_mc {
 159         u16     reserved2:1;
 160         u16     priority:3;
 161         u16     vid:12;
 162
 163         u16     reserved1:1;
 164         u16     fid:3;
 165         u16     untag:6;
 166         u16     member:6;
 167 };
 168
 169 struct rtl8366s_vlan_4k {
 170         u16     reserved1:4;
 171         u16     vid:12;
 172
 173         u16     reserved2:1;
 174         u16     fid:3;
 175         u16     untag:6;
 176         u16     member:6;
 177 };
 178
 179 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 180 u16 g_dbg_reg;
 181 #endif
 182
 183 struct mib_counter {
 184         unsigned        offset;
 185         unsigned        length;
 186         const char      *name;
 187 };
 188
 189 static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = {
 190         {  0, 4, "IfInOctets                        " },
 191         {  4, 4, "EtherStatsOctets                  " },
 192         {  8, 2, "EtherStatsUnderSizePkts           " },
 193         { 10, 2, "EtherFregament                    " },
 194         { 12, 2, "EtherStatsPkts64Octets            " },
 195         { 14, 2, "EtherStatsPkts65to127Octets       " },
 196         { 16, 2, "EtherStatsPkts128to255Octets      " },
 197         { 18, 2, "EtherStatsPkts256to511Octets      " },
 198         { 20, 2, "EtherStatsPkts512to1023Octets     " },
 199         { 22, 2, "EtherStatsPkts1024to1518Octets    " },
 200         { 24, 2, "EtherOversizeStats                " },
 201         { 26, 2, "EtherStatsJabbers                 " },
 202         { 28, 2, "IfInUcastPkts                     " },
 203         { 30, 2, "EtherStatsMulticastPkts           " },
 204         { 32, 2, "EtherStatsBroadcastPkts           " },
 205         { 34, 2, "EtherStatsDropEvents              " },
 206         { 36, 2, "Dot3StatsFCSErrors                " },
 207         { 38, 2, "Dot3StatsSymbolErrors             " },
 208         { 40, 2, "Dot3InPauseFrames                 " },
 209         { 42, 2, "Dot3ControlInUnknownOpcodes       " },
 210         { 44, 4, "IfOutOctets                       " },
 211         { 48, 2, "Dot3StatsSingleCollisionFrames    " },
 212         { 50, 2, "Dot3StatMultipleCollisionFrames   " },
 213         { 52, 2, "Dot3sDeferredTransmissions        " },
 214         { 54, 2, "Dot3StatsLateCollisions           " },
 215         { 56, 2, "EtherStatsCollisions              " },
 216         { 58, 2, "Dot3StatsExcessiveCollisions      " },
 217         { 60, 2, "Dot3OutPauseFrames                " },
 218         { 62, 2, "Dot1dBasePortDelayExceededDiscards" },
 219         { 64, 2, "Dot1dTpPortInDiscards             " },
 220         { 66, 2, "IfOutUcastPkts                    " },
 221         { 68, 2, "IfOutMulticastPkts                " },
 222         { 70, 2, "IfOutBroadcastPkts                " },
 223 };
 224
 225 static inline struct rtl8366s *smi_to_rtl8366s(struct rtl8366_smi *smi)
 226 {
 227         return container_of(smi, struct rtl8366s, smi);
 228 }
 229
 230 static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw)
 231 {
 232         return container_of(sw, struct rtl8366s, dev);
 233 }
 234
 235 static int rtl8366s_reset_chip(struct rtl8366s *rtl)
 236 {
 237         struct rtl8366_smi *smi = &rtl->smi;
 238         int timeout = 10;
 239         u32 data;
 240
 241         rtl8366_smi_write_reg(smi, RTL8366_RESET_CTRL_REG,
 242                               RTL8366_CHIP_CTRL_RESET_HW);
 243         do {
 244                 msleep(1);
 245                 if (rtl8366_smi_read_reg(smi, RTL8366_RESET_CTRL_REG, &data))
 246                         return -EIO;
 247
 248                 if (!(data & RTL8366_CHIP_CTRL_RESET_HW))
 249                         break;
 250         } while (--timeout);
 251
 252         if (!timeout) {
 253                 printk("Timeout waiting for the switch to reset\n");
 254                 return -EIO;
 255         }
 256
 257         return 0;
 258 }
 259
 260 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
 261                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 262 {
 263         u32 reg;
 264         int ret;
 265
 266         if (phy_no > RTL8366S_PHY_NO_MAX)
 267                 return -EINVAL;
 268
 269         if (page > RTL8366S_PHY_PAGE_MAX)
 270                 return -EINVAL;
 271
 272         if (addr > RTL8366S_PHY_ADDR_MAX)
 273                 return -EINVAL;
 274
 275         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 276                                     RTL8366S_PHY_CTRL_READ);
 277         if (ret)
 278                 return ret;
 279
 280         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 281               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 282               (addr & RTL8366S_PHY_REG_MASK);
 283
 284         ret = rtl8366_smi_write_reg(smi, reg, 0);
 285         if (ret)
 286                 return ret;
 287
 288         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 289         if (ret)
 290                 return ret;
 291
 292         return 0;
 293 }
 294
 295 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
 296                                   u32 phy_no, u32 page, u32 addr, u32 data)
 297 {
 298         u32 reg;
 299         int ret;
 300
 301         if (phy_no > RTL8366S_PHY_NO_MAX)
 302                 return -EINVAL;
 303
 304         if (page > RTL8366S_PHY_PAGE_MAX)
 305                 return -EINVAL;
 306
 307         if (addr > RTL8366S_PHY_ADDR_MAX)
 308                 return -EINVAL;
 309
 310         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 311                                     RTL8366S_PHY_CTRL_WRITE);
 312         if (ret)
 313                 return ret;
 314
 315         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 316               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 317               (addr & RTL8366S_PHY_REG_MASK);
 318
 319         ret = rtl8366_smi_write_reg(smi, reg, data);
 320         if (ret)
 321                 return ret;
 322
 323         return 0;
 324 }
 325
 326 static int rtl8366_get_mib_counter(struct rtl8366s *rtl, int counter,
 327                                    int port, unsigned long long *val)
 328 {
 329         struct rtl8366_smi *smi = &rtl->smi;
 330         int i;
 331         int err;
 332         u32 addr, data;
 333         u64 mibvalue;
 334
 335         if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
 336                 return -EINVAL;
 337
 338         addr = RTL8366S_MIB_COUNTER_BASE +
 339                RTL8366S_MIB_COUNTER_PORT_OFFSET * (port) +
 340                rtl8366s_mib_counters[counter].offset;
 341
 342         /*
 343          * Writing access counter address first
 344          * then ASIC will prepare 64bits counter wait for being retrived
 345          */
 346         data = 0; /* writing data will be discard by ASIC */
 347         err = rtl8366_smi_write_reg(smi, addr, data);
 348         if (err)
 349                 return err;
 350
 351         /* read MIB control register */
 352         err =  rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 353         if (err)
 354                 return err;
 355
 356         if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
 357                 return -EBUSY;
 358
 359         if (data & RTL8366S_MIB_CTRL_RESET_MASK)
 360                 return -EIO;
 361
 362         mibvalue = 0;
 363         for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
 364                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 365                 if (err)
 366                         return err;
 367
 368                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 369         }
 370
 371         *val = mibvalue;
 372         return 0;
 373 }
 374
 375 static int rtl8366s_get_vlan_4k(struct rtl8366s *rtl, u32 vid,
 376                                 struct rtl8366_vlan_4k *vlan4k)
 377 {
 378         struct rtl8366_smi *smi = &rtl->smi;
 379         struct rtl8366s_vlan_4k vlan4k_priv;
 380         int err;
 381         u32 data;
 382         u16 *tableaddr;
 383
 384         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 385         vlan4k_priv.vid = vid;
 386
 387         if (vid >= RTL8366_NUM_VIDS)
 388                 return -EINVAL;
 389
 390         tableaddr = (u16 *)&vlan4k_priv;
 391
 392         /* write VID */
 393         data = *tableaddr;
 394         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 395         if (err)
 396                 return err;
 397
 398         /* write table access control word */
 399         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 400                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 401         if (err)
 402                 return err;
 403
 404         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
 405         if (err)
 406                 return err;
 407
 408         *tableaddr = data;
 409         tableaddr++;
 410
 411         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
 412                                    &data);
 413         if (err)
 414                 return err;
 415
 416         *tableaddr = data;
 417
 418         vlan4k->vid = vid;
 419         vlan4k->untag = vlan4k_priv.untag;
 420         vlan4k->member = vlan4k_priv.member;
 421         vlan4k->fid = vlan4k_priv.fid;
 422
 423         return 0;
 424 }
 425
 426 static int rtl8366s_set_vlan_4k(struct rtl8366s *rtl,
 427                                 const struct rtl8366_vlan_4k *vlan4k)
 428 {
 429         struct rtl8366_smi *smi = &rtl->smi;
 430         struct rtl8366s_vlan_4k vlan4k_priv;
 431         int err;
 432         u32 data;
 433         u16 *tableaddr;
 434
 435         if (vlan4k->vid >= RTL8366_NUM_VIDS ||
 436             vlan4k->member > RTL8366_PORT_ALL ||
 437             vlan4k->untag > RTL8366_PORT_ALL ||
 438             vlan4k->fid > RTL8366S_FIDMAX)
 439                 return -EINVAL;
 440
 441         vlan4k_priv.vid = vlan4k->vid;
 442         vlan4k_priv.untag = vlan4k->untag;
 443         vlan4k_priv.member = vlan4k->member;
 444         vlan4k_priv.fid = vlan4k->fid;
 445
 446         tableaddr = (u16 *)&vlan4k_priv;
 447
 448         data = *tableaddr;
 449
 450         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 451         if (err)
 452                 return err;
 453
 454         tableaddr++;
 455
 456         data = *tableaddr;
 457
 458         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
 459                                     data);
 460         if (err)
 461                 return err;
 462
 463         /* write table access control word */
 464         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 465                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 466
 467         return err;
 468 }
 469
 470 static int rtl8366s_get_vlan_mc(struct rtl8366s *rtl, u32 index,
 471                                 struct rtl8366_vlan_mc *vlanmc)
 472 {
 473         struct rtl8366_smi *smi = &rtl->smi;
 474         struct rtl8366s_vlan_mc vlanmc_priv;
 475         int err;
 476         u32 addr;
 477         u32 data;
 478         u16 *tableaddr;
 479
 480         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 481
 482         if (index >= RTL8366_NUM_VLANS)
 483                 return -EINVAL;
 484
 485         tableaddr = (u16 *)&vlanmc_priv;
 486
 487         addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
 488         err = rtl8366_smi_read_reg(smi, addr, &data);
 489         if (err)
 490                 return err;
 491
 492         *tableaddr = data;
 493         tableaddr++;
 494
 495         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
 496         err = rtl8366_smi_read_reg(smi, addr, &data);
 497         if (err)
 498                 return err;
 499
 500         *tableaddr = data;
 501
 502         vlanmc->vid = vlanmc_priv.vid;
 503         vlanmc->priority = vlanmc_priv.priority;
 504         vlanmc->untag = vlanmc_priv.untag;
 505         vlanmc->member = vlanmc_priv.member;
 506         vlanmc->fid = vlanmc_priv.fid;
 507
 508         return 0;
 509 }
 510
 511 static int rtl8366s_set_vlan_mc(struct rtl8366s *rtl, u32 index,
 512                                 const struct rtl8366_vlan_mc *vlanmc)
 513 {
 514         struct rtl8366_smi *smi = &rtl->smi;
 515         struct rtl8366s_vlan_mc vlanmc_priv;
 516         int err;
 517         u32 addr;
 518         u32 data;
 519         u16 *tableaddr;
 520
 521         if (index >= RTL8366_NUM_VLANS ||
 522             vlanmc->vid >= RTL8366_NUM_VIDS ||
 523             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 524             vlanmc->member > RTL8366_PORT_ALL ||
 525             vlanmc->untag > RTL8366_PORT_ALL ||
 526             vlanmc->fid > RTL8366S_FIDMAX)
 527                 return -EINVAL;
 528
 529         vlanmc_priv.vid = vlanmc->vid;
 530         vlanmc_priv.priority = vlanmc->priority;
 531         vlanmc_priv.untag = vlanmc->untag;
 532         vlanmc_priv.member = vlanmc->member;
 533         vlanmc_priv.fid = vlanmc->fid;
 534
 535         addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
 536
 537         tableaddr = (u16 *)&vlanmc_priv;
 538         data = *tableaddr;
 539
 540         err = rtl8366_smi_write_reg(smi, addr, data);
 541         if (err)
 542                 return err;
 543
 544         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
 545
 546         tableaddr++;
 547         data = *tableaddr;
 548
 549         err = rtl8366_smi_write_reg(smi, addr, data);
 550         if (err)
 551                 return err;
 552
 553         return 0;
 554 }
 555
 556 static int rtl8366s_get_port_vlan_index(struct rtl8366s *rtl, int port,
 557                                        int *val)
 558 {
 559         struct rtl8366_smi *smi = &rtl->smi;
 560         u32 data;
 561         int err;
 562
 563         if (port >= RTL8366_NUM_PORTS)
 564                 return -EINVAL;
 565
 566         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 567                                    &data);
 568         if (err)
 569                 return err;
 570
 571         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 572                RTL8366S_PORT_VLAN_CTRL_MASK;
 573
 574         return 0;
 575
 576 }
 577
 578 static int rtl8366s_get_vlan_port_pvid(struct rtl8366s *rtl, int port,
 579                                        int *val)
 580 {
 581         struct rtl8366_vlan_mc vlanmc;
 582         int err;
 583         int index;
 584
 585         err = rtl8366s_get_port_vlan_index(rtl, port, &index);
 586         if (err)
 587                 return err;
 588
 589         err = rtl8366s_get_vlan_mc(rtl, index, &vlanmc);
 590         if (err)
 591                 return err;
 592
 593         *val = vlanmc.vid;
 594         return 0;
 595 }
 596
 597 static int rtl8366s_set_port_vlan_index(struct rtl8366s *rtl, int port,
 598                                         int index)
 599 {
 600         struct rtl8366_smi *smi = &rtl->smi;
 601         u32 data;
 602         int err;
 603
 604         if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS)
 605                 return -EINVAL;
 606
 607         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 608                                    &data);
 609         if (err)
 610                 return err;
 611
 612         data &= ~(RTL8366S_PORT_VLAN_CTRL_MASK <<
 613                   RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 614         data |= (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 615                  RTL8366S_PORT_VLAN_CTRL_SHIFT(port);
 616
 617         err = rtl8366_smi_write_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 618                                     data);
 619         return err;
 620 }
 621
 622 static int rtl8366s_set_vlan_port_pvid(struct rtl8366s *rtl, int port, int val)
 623 {
 624         int i;
 625         struct rtl8366_vlan_mc vlanmc;
 626         struct rtl8366_vlan_4k vlan4k;
 627
 628         if (port >= RTL8366_NUM_PORTS || val >= RTL8366_NUM_VIDS)
 629                 return -EINVAL;
 630
 631         /* Updating the 4K entry; lookup it and change the port member set */
 632         rtl8366s_get_vlan_4k(rtl, val, &vlan4k);
 633         vlan4k.member |= ((1 << port) | RTL8366_PORT_CPU);
 634         vlan4k.untag = RTL8366_PORT_ALL_BUT_CPU;
 635         rtl8366s_set_vlan_4k(rtl, &vlan4k);
 636
 637         /*
 638          * For the 16 entries more work needs to be done. First see if such
 639          * VID is already there and change it
 640          */
 641         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 642                 rtl8366s_get_vlan_mc(rtl, i, &vlanmc);
 643
 644                 /* Try to find an existing vid and update port member set */
 645                 if (val == vlanmc.vid) {
 646                         vlanmc.member |= ((1 << port) | RTL8366_PORT_CPU);
 647                         rtl8366s_set_vlan_mc(rtl, i, &vlanmc);
 648
 649                         /* Now update PVID register settings */
 650                         rtl8366s_set_port_vlan_index(rtl, port, i);
 651
 652                         return 0;
 653                 }
 654         }
 655
 656         /*
 657          * PVID could not be found from vlan table. Replace unused (one that
 658          * has no member ports) with new one
 659          */
 660         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 661                 rtl8366s_get_vlan_mc(rtl, i, &vlanmc);
 662
 663                 /*
 664                  * See if this vlan member configuration is unused. It is
 665                  * unused if member set contains no ports or CPU port only
 666                  */
 667                 if (!vlanmc.member || vlanmc.member == RTL8366_PORT_CPU) {
 668                         vlanmc.vid = val;
 669                         vlanmc.priority = 0;
 670                         vlanmc.untag = RTL8366_PORT_ALL_BUT_CPU;
 671                         vlanmc.member = ((1 << port) | RTL8366_PORT_CPU);
 672                         vlanmc.fid = 0;
 673
 674                         rtl8366s_set_vlan_mc(rtl, i, &vlanmc);
 675
 676                         /* Now update PVID register settings */
 677                         rtl8366s_set_port_vlan_index(rtl, port, i);
 678
 679                         return 0;
 680                 }
 681         }
 682
 683         dev_err(rtl->parent,
 684                 "All 16 vlan member configurations are in use\n");
 685
 686         return -EINVAL;
 687 }
 688
 689
 690 static int rtl8366s_vlan_set_vlan(struct rtl8366s *rtl, int enable)
 691 {
 692         struct rtl8366_smi *smi = &rtl->smi;
 693         u32 data = 0;
 694
 695         rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
 696
 697         if (enable)
 698                 data |= RTL8366_CHIP_CTRL_VLAN;
 699         else
 700                 data &= ~RTL8366_CHIP_CTRL_VLAN;
 701
 702         return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data);
 703 }
 704
 705 static int rtl8366s_vlan_set_4ktable(struct rtl8366s *rtl, int enable)
 706 {
 707         struct rtl8366_smi *smi = &rtl->smi;
 708         u32 data = 0;
 709
 710         rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
 711
 712         if (enable)
 713                 data |= 1;
 714         else
 715                 data &= ~1;
 716
 717         return rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, data);
 718 }
 719
 720 static int rtl8366s_reset_vlan(struct rtl8366s *rtl)
 721 {
 722         struct rtl8366_vlan_4k vlan4k;
 723         struct rtl8366_vlan_mc vlanmc;
 724         int err;
 725         int i;
 726
 727         /* clear 16 VLAN member configuration */
 728         vlanmc.vid = 0;
 729         vlanmc.priority = 0;
 730         vlanmc.member = 0;
 731         vlanmc.untag = 0;
 732         vlanmc.fid = 0;
 733         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 734                 err = rtl8366s_set_vlan_mc(rtl, i, &vlanmc);
 735                 if (err)
 736                         return err;
 737         }
 738
 739         /* Set a default VLAN with vid 1 to 4K table for all ports */
 740         vlan4k.vid = 1;
 741         vlan4k.member = RTL8366_PORT_ALL;
 742         vlan4k.untag = RTL8366_PORT_ALL;
 743         vlan4k.fid = 0;
 744         err = rtl8366s_set_vlan_4k(rtl, &vlan4k);
 745         if (err)
 746                 return err;
 747
 748         /* Set all ports PVID to default VLAN */
 749         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
 750                 err = rtl8366s_set_vlan_port_pvid(rtl, i, 0);
 751                 if (err)
 752                         return err;
 753         }
 754
 755         return 0;
 756 }
 757
 758 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 759 static int rtl8366s_debugfs_open(struct inode *inode, struct file *file)
 760 {
 761         file->private_data = inode->i_private;
 762         return 0;
 763 }
 764
 765 static ssize_t rtl8366s_read_debugfs_mibs(struct file *file,
 766                                           char __user *user_buf,
 767                                           size_t count, loff_t *ppos)
 768 {
 769         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 770         int i, j, len = 0;
 771         char *buf = rtl->buf;
 772
 773         len += snprintf(buf + len, sizeof(rtl->buf) - len, "MIB Counters:\n");
 774         len += snprintf(buf + len, sizeof(rtl->buf) - len, "Counter"
 775                         "                            "
 776                         "Port 0 \t\t Port 1 \t\t Port 2 \t\t Port 3 \t\t "
 777                         "Port 4\n");
 778
 779         for (i = 0; i < 33; ++i) {
 780                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d:%s ",
 781                                 i, rtl8366s_mib_counters[i].name);
 782                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 783                         unsigned long long counter = 0;
 784
 785                         if (!rtl8366_get_mib_counter(rtl, i, j, &counter))
 786                                 len += snprintf(buf + len,
 787                                                 sizeof(rtl->buf) - len,
 788                                                 "[%llu]", counter);
 789                         else
 790                                 len += snprintf(buf + len,
 791                                                 sizeof(rtl->buf) - len,
 792                                                 "[error]");
 793
 794                         if (j != RTL8366_NUM_PORTS - 1) {
 795                                 if (counter < 100000)
 796                                         len += snprintf(buf + len,
 797                                                         sizeof(rtl->buf) - len,
 798                                                         "\t");
 799
 800                                 len += snprintf(buf + len,
 801                                                 sizeof(rtl->buf) - len,
 802                                                 "\t");
 803                         }
 804                 }
 805                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 806         }
 807
 808         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 809
 810         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 811 }
 812
 813 static ssize_t rtl8366s_read_debugfs_vlan(struct file *file,
 814                                           char __user *user_buf,
 815                                           size_t count, loff_t *ppos)
 816 {
 817         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 818         int i, j, len = 0;
 819         char *buf = rtl->buf;
 820
 821         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 822                         "VLAN Member Config:\n");
 823         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 824                         "\t id \t vid \t prio \t member \t untag  \t fid "
 825                         "\tports\n");
 826
 827         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 828                 struct rtl8366_vlan_mc vlanmc;
 829
 830                 rtl8366s_get_vlan_mc(rtl, i, &vlanmc);
 831
 832                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
 833                                 "\t[%d] \t %d \t %d \t 0x%04x \t 0x%04x \t %d "
 834                                 "\t", i, vlanmc.vid, vlanmc.priority,
 835                                 vlanmc.member, vlanmc.untag, vlanmc.fid);
 836
 837                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 838                         int index = 0;
 839                         if (!rtl8366s_get_port_vlan_index(rtl, j, &index)) {
 840                                 if (index == i)
 841                                         len += snprintf(buf + len,
 842                                                         sizeof(rtl->buf) - len,
 843                                                         "%d", j);
 844                         }
 845                 }
 846                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 847         }
 848
 849         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 850 }
 851
 852 static ssize_t rtl8366s_read_debugfs_reg(struct file *file,
 853                                          char __user *user_buf,
 854                                          size_t count, loff_t *ppos)
 855 {
 856         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 857         struct rtl8366_smi *smi = &rtl->smi;
 858         u32 t, reg = g_dbg_reg;
 859         int err, len = 0;
 860         char *buf = rtl->buf;
 861
 862         memset(buf, '\0', sizeof(rtl->buf));
 863
 864         err = rtl8366_smi_read_reg(smi, reg, &t);
 865         if (err) {
 866                 len += snprintf(buf, sizeof(rtl->buf),
 867                                 "Read failed (reg: 0x%04x)\n", reg);
 868                 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 869         }
 870
 871         len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n",
 872                         reg, t);
 873
 874         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 875 }
 876
 877 static ssize_t rtl8366s_write_debugfs_reg(struct file *file,
 878                                           const char __user *user_buf,
 879                                           size_t count, loff_t *ppos)
 880 {
 881         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 882         struct rtl8366_smi *smi = &rtl->smi;
 883         unsigned long data;
 884         u32 reg = g_dbg_reg;
 885         int err;
 886         size_t len;
 887         char *buf = rtl->buf;
 888
 889         len = min(count, sizeof(rtl->buf) - 1);
 890         if (copy_from_user(buf, user_buf, len)) {
 891                 dev_err(rtl->parent, "copy from user failed\n");
 892                 return -EFAULT;
 893         }
 894
 895         buf[len] = '\0';
 896         if (len > 0 && buf[len - 1] == '\n')
 897                 buf[len - 1] = '\0';
 898
 899
 900         if (strict_strtoul(buf, 16, &data)) {
 901                 dev_err(rtl->parent, "Invalid reg value %s\n", buf);
 902         } else {
 903                 err = rtl8366_smi_write_reg(smi, reg, data);
 904                 if (err) {
 905                         dev_err(rtl->parent,
 906                                 "writing reg 0x%04x val 0x%04lx failed\n",
 907                                 reg, data);
 908                 }
 909         }
 910
 911         return count;
 912 }
 913
 914 static const struct file_operations fops_rtl8366s_regs = {
 915         .read = rtl8366s_read_debugfs_reg,
 916         .write = rtl8366s_write_debugfs_reg,
 917         .open = rtl8366s_debugfs_open,
 918         .owner = THIS_MODULE
 919 };
 920
 921 static const struct file_operations fops_rtl8366s_vlan = {
 922         .read = rtl8366s_read_debugfs_vlan,
 923         .open = rtl8366s_debugfs_open,
 924         .owner = THIS_MODULE
 925 };
 926
 927 static const struct file_operations fops_rtl8366s_mibs = {
 928         .read = rtl8366s_read_debugfs_mibs,
 929         .open = rtl8366s_debugfs_open,
 930         .owner = THIS_MODULE
 931 };
 932
 933 static void rtl8366s_debugfs_init(struct rtl8366s *rtl)
 934 {
 935         struct dentry *node;
 936         struct dentry *root;
 937
 938         if (!rtl->debugfs_root)
 939                 rtl->debugfs_root = debugfs_create_dir("rtl8366s", NULL);
 940
 941         if (!rtl->debugfs_root) {
 942                 dev_err(rtl->parent, "Unable to create debugfs dir\n");
 943                 return;
 944         }
 945         root = rtl->debugfs_root;
 946
 947         node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &g_dbg_reg);
 948         if (!node) {
 949                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 950                         "reg");
 951                 return;
 952         }
 953
 954         node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
 955                                    &fops_rtl8366s_regs);
 956         if (!node) {
 957                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 958                         "val");
 959                 return;
 960         }
 961
 962         node = debugfs_create_file("vlan", S_IRUSR, root, rtl,
 963                                    &fops_rtl8366s_vlan);
 964         if (!node) {
 965                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 966                         "vlan");
 967                 return;
 968         }
 969
 970         node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
 971                                    &fops_rtl8366s_mibs);
 972         if (!node) {
 973                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 974                         "mibs");
 975                 return;
 976         }
 977 }
 978
 979 static void rtl8366s_debugfs_remove(struct rtl8366s *rtl)
 980 {
 981         if (rtl->debugfs_root) {
 982                 debugfs_remove_recursive(rtl->debugfs_root);
 983                 rtl->debugfs_root = NULL;
 984         }
 985 }
 986
 987 #else
 988 static inline void rtl8366s_debugfs_init(struct rtl8366s *rtl) {}
 989 static inline void rtl8366s_debugfs_remove(struct rtl8366s *rtl) {}
 990 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
 991
 992 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
 993                                   const struct switch_attr *attr,
 994                                   struct switch_val *val)
 995 {
 996         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
 997         struct rtl8366_smi *smi = &rtl->smi;
 998         u32 data = 0;
 999
1000         if (val->value.i == 1) {
1001                 rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
1002                 data |= (1 << 2);
1003                 rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
1004         }
1005
1006         return 0;
1007 }
1008
1009 static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev,
1010                                        const struct switch_attr *attr,
1011                                        struct switch_val *val)
1012 {
1013         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1014         struct rtl8366_smi *smi = &rtl->smi;
1015         u32 data;
1016
1017         if (attr->ofs == 1) {
1018                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1019
1020                 if (data & RTL8366_CHIP_CTRL_VLAN)
1021                         val->value.i = 1;
1022                 else
1023                         val->value.i = 0;
1024         } else if (attr->ofs == 2) {
1025                 rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
1026
1027                 if (data & 0x0001)
1028                         val->value.i = 1;
1029                 else
1030                         val->value.i = 0;
1031         }
1032
1033         return 0;
1034 }
1035
1036 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
1037                                      const struct switch_attr *attr,
1038                                      struct switch_val *val)
1039 {
1040         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1041         struct rtl8366_smi *smi = &rtl->smi;
1042         u32 data;
1043
1044         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1045
1046         val->value.i = (data & (RTL8366_LED_BLINKRATE_MASK));
1047
1048         return 0;
1049 }
1050
1051 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
1052                                     const struct switch_attr *attr,
1053                                     struct switch_val *val)
1054 {
1055         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1056         struct rtl8366_smi *smi = &rtl->smi;
1057         u32 data;
1058
1059         if (val->value.i >= 6)
1060                 return -EINVAL;
1061
1062         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1063
1064         data &= ~RTL8366_LED_BLINKRATE_MASK;
1065         data |= val->value.i;
1066
1067         rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1068
1069         return 0;
1070 }
1071
1072 static int rtl8366s_sw_set_vlan_enable(struct switch_dev *dev,
1073                                        const struct switch_attr *attr,
1074                                        struct switch_val *val)
1075 {
1076         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1077
1078         if (attr->ofs == 1)
1079                 return rtl8366s_vlan_set_vlan(rtl, val->value.i);
1080         else
1081                 return rtl8366s_vlan_set_4ktable(rtl, val->value.i);
1082 }
1083
1084 static const char *rtl8366s_speed_str(unsigned speed)
1085 {
1086         switch (speed) {
1087         case 0:
1088                 return "10baseT";
1089         case 1:
1090                 return "100baseT";
1091         case 2:
1092                 return "1000baseT";
1093         }
1094
1095         return "unknown";
1096 }
1097
1098 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
1099                                      const struct switch_attr *attr,
1100                                      struct switch_val *val)
1101 {
1102         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1103         struct rtl8366_smi *smi = &rtl->smi;
1104         u32 len = 0, data = 0;
1105
1106         if (val->port_vlan >= RTL8366_NUM_PORTS)
1107                 return -EINVAL;
1108
1109         memset(rtl->buf, '\0', sizeof(rtl->buf));
1110         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
1111                              (val->port_vlan / 2), &data);
1112
1113         if (val->port_vlan % 2)
1114                 data = data >> 8;
1115
1116         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
1117                 len = snprintf(rtl->buf, sizeof(rtl->buf),
1118                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
1119                                 val->port_vlan,
1120                                 rtl8366s_speed_str(data &
1121                                           RTL8366S_PORT_STATUS_SPEED_MASK),
1122                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
1123                                         "full" : "half",
1124                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
1125                                         "tx-pause ": "",
1126                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
1127                                         "rx-pause " : "",
1128                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
1129                                         "nway ": "");
1130         } else {
1131                 len = snprintf(rtl->buf, sizeof(rtl->buf), "port:%d link: down",
1132                                 val->port_vlan);
1133         }
1134
1135         val->value.s = rtl->buf;
1136         val->len = len;
1137
1138         return 0;
1139 }
1140
1141 static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev,
1142                                      const struct switch_attr *attr,
1143                                      struct switch_val *val)
1144 {
1145         int i;
1146         u32 len = 0;
1147         struct rtl8366_vlan_mc vlanmc;
1148         struct rtl8366_vlan_4k vlan4k;
1149         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1150         char *buf = rtl->buf;
1151
1152         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1153                 return -EINVAL;
1154
1155         memset(buf, '\0', sizeof(rtl->buf));
1156
1157         rtl8366s_get_vlan_mc(rtl, val->port_vlan, &vlanmc);
1158         rtl8366s_get_vlan_4k(rtl, vlanmc.vid, &vlan4k);
1159
1160         len += snprintf(buf + len, sizeof(rtl->buf) - len, "VLAN %d: Ports: ",
1161                         val->port_vlan);
1162
1163         for (i = 0; i < RTL8366_NUM_PORTS; ++i) {
1164                 int index = 0;
1165                 if (!rtl8366s_get_port_vlan_index(rtl, i, &index) &&
1166                     index == val->port_vlan)
1167                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1168                                         "%d", i);
1169         }
1170         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
1171
1172         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1173                         "\t\t vid \t prio \t member \t untag \t fid\n");
1174         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\tMC:\t");
1175         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1176                         "%d \t %d \t 0x%04x \t 0x%04x \t %d\n",
1177                         vlanmc.vid, vlanmc.priority, vlanmc.member,
1178                         vlanmc.untag, vlanmc.fid);
1179         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\t4K:\t");
1180         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1181                         "%d \t  \t 0x%04x \t 0x%04x \t %d",
1182                         vlan4k.vid, vlan4k.member, vlan4k.untag, vlan4k.fid);
1183
1184         val->value.s = buf;
1185         val->len = len;
1186
1187         return 0;
1188 }
1189
1190 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
1191                                     const struct switch_attr *attr,
1192                                     struct switch_val *val)
1193 {
1194         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1195         struct rtl8366_smi *smi = &rtl->smi;
1196         u32 data = 0;
1197
1198         if (val->port_vlan >= RTL8366_NUM_PORTS ||
1199             (1 << val->port_vlan) == RTL8366_PORT_UNKNOWN)
1200                 return -EINVAL;
1201
1202         if (val->port_vlan == RTL8366_PORT_NUM_CPU) {
1203                 rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1204                 data = (data & (~(0xF << 4))) | (val->value.i << 4);
1205                 rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1206         } else {
1207                 rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1208                 data = (data & (~(0xF << (val->port_vlan * 4)))) |
1209                         (val->value.i << (val->port_vlan * 4));
1210                 rtl8366_smi_write_reg(smi, RTL8366_LED_CTRL_REG, data);
1211         }
1212
1213         return 0;
1214 }
1215
1216 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
1217                                     const struct switch_attr *attr,
1218                                     struct switch_val *val)
1219 {
1220         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1221         struct rtl8366_smi *smi = &rtl->smi;
1222         u32 data = 0;
1223
1224         if (val->port_vlan >= RTL8366_NUM_LEDGROUPS)
1225                 return -EINVAL;
1226
1227         rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1228         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
1229
1230         return 0;
1231 }
1232
1233 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
1234                                        const struct switch_attr *attr,
1235                                        struct switch_val *val)
1236 {
1237         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1238         struct rtl8366_smi *smi = &rtl->smi;
1239         u32 data = 0;
1240
1241         if (val->port_vlan >= RTL8366_NUM_PORTS)
1242                 return -EINVAL;
1243
1244         rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
1245         data |= (1 << (val->port_vlan + 3));
1246         rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
1247
1248         return 0;
1249 }
1250
1251 static int rtl8366s_sw_get_port_mib(struct switch_dev *dev,
1252                                     const struct switch_attr *attr,
1253                                     struct switch_val *val)
1254 {
1255         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1256         int i, len = 0;
1257         unsigned long long counter = 0;
1258         char *buf = rtl->buf;
1259
1260         if (val->port_vlan >= RTL8366_NUM_PORTS)
1261                 return -EINVAL;
1262
1263         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1264                         "Port %d MIB counters\n",
1265                         val->port_vlan);
1266
1267         for (i = 0; i < RTL8366S_MIB_COUNT; ++i) {
1268                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
1269                                 "%d:%s\t", i, rtl8366s_mib_counters[i].name);
1270                 if (!rtl8366_get_mib_counter(rtl, i, val->port_vlan, &counter))
1271                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1272                                         "[%llu]\n", counter);
1273                 else
1274                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1275                                         "[error]\n");
1276         }
1277
1278         val->value.s = buf;
1279         val->len = len;
1280         return 0;
1281 }
1282
1283 static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev,
1284                                       struct switch_val *val)
1285 {
1286         struct rtl8366_vlan_mc vlanmc;
1287         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1288         struct switch_port *port;
1289         int i;
1290
1291         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1292                 return -EINVAL;
1293
1294         rtl8366s_get_vlan_mc(rtl, val->port_vlan, &vlanmc);
1295
1296         port = &val->value.ports[0];
1297         val->len = 0;
1298         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
1299                 if (!(vlanmc.member & BIT(i)))
1300                         continue;
1301
1302                 port->id = i;
1303                 port->flags = (vlanmc.untag & BIT(i)) ?
1304                                         0 : BIT(SWITCH_PORT_FLAG_TAGGED);
1305                 val->len++;
1306                 port++;
1307         }
1308         return 0;
1309 }
1310
1311 static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
1312                                       struct switch_val *val)
1313 {
1314         struct rtl8366_vlan_mc vlanmc;
1315         struct rtl8366_vlan_4k vlan4k;
1316         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1317         struct switch_port *port;
1318         int i;
1319
1320         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1321                 return -EINVAL;
1322
1323         rtl8366s_get_vlan_mc(rtl, val->port_vlan, &vlanmc);
1324         rtl8366s_get_vlan_4k(rtl, vlanmc.vid, &vlan4k);
1325
1326         vlanmc.untag = 0;
1327         vlanmc.member = 0;
1328
1329         port = &val->value.ports[0];
1330         for (i = 0; i < val->len; i++, port++) {
1331                 vlanmc.member |= BIT(port->id);
1332
1333                 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1334                         vlanmc.untag |= BIT(port->id);
1335         }
1336
1337         vlan4k.member = vlanmc.member;
1338         vlan4k.untag = vlanmc.untag;
1339
1340         rtl8366s_set_vlan_mc(rtl, val->port_vlan, &vlanmc);
1341         rtl8366s_set_vlan_4k(rtl, &vlan4k);
1342         return 0;
1343 }
1344
1345 static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1346 {
1347         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1348         return rtl8366s_get_vlan_port_pvid(rtl, port, val);
1349 }
1350
1351 static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1352 {
1353         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1354         return rtl8366s_set_vlan_port_pvid(rtl, port, val);
1355 }
1356
1357 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
1358 {
1359         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1360         int err;
1361
1362         err = rtl8366s_reset_chip(rtl);
1363         if (err)
1364                 return err;
1365
1366         return rtl8366s_reset_vlan(rtl);
1367 }
1368
1369 static struct switch_attr rtl8366s_globals[] = {
1370         {
1371                 .type = SWITCH_TYPE_INT,
1372                 .name = "enable_vlan",
1373                 .description = "Enable VLAN mode",
1374                 .set = rtl8366s_sw_set_vlan_enable,
1375                 .get = rtl8366s_sw_get_vlan_enable,
1376                 .max = 1,
1377                 .ofs = 1
1378         }, {
1379                 .type = SWITCH_TYPE_INT,
1380                 .name = "enable_vlan4k",
1381                 .description = "Enable VLAN 4K mode",
1382                 .set = rtl8366s_sw_set_vlan_enable,
1383                 .get = rtl8366s_sw_get_vlan_enable,
1384                 .max = 1,
1385                 .ofs = 2
1386         }, {
1387                 .type = SWITCH_TYPE_INT,
1388                 .name = "reset_mibs",
1389                 .description = "Reset all MIB counters",
1390                 .set = rtl8366s_sw_reset_mibs,
1391                 .get = NULL,
1392                 .max = 1
1393         }, {
1394                 .type = SWITCH_TYPE_INT,
1395                 .name = "blinkrate",
1396                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1397                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1398                 .set = rtl8366s_sw_set_blinkrate,
1399                 .get = rtl8366s_sw_get_blinkrate,
1400                 .max = 5
1401         },
1402 };
1403
1404 static struct switch_attr rtl8366s_port[] = {
1405         {
1406                 .type = SWITCH_TYPE_STRING,
1407                 .name = "link",
1408                 .description = "Get port link information",
1409                 .max = 1,
1410                 .set = NULL,
1411                 .get = rtl8366s_sw_get_port_link,
1412         }, {
1413                 .type = SWITCH_TYPE_INT,
1414                 .name = "reset_mib",
1415                 .description = "Reset single port MIB counters",
1416                 .max = 1,
1417                 .set = rtl8366s_sw_reset_port_mibs,
1418                 .get = NULL,
1419         }, {
1420                 .type = SWITCH_TYPE_STRING,
1421                 .name = "mib",
1422                 .description = "Get MIB counters for port",
1423                 .max = 33,
1424                 .set = NULL,
1425                 .get = rtl8366s_sw_get_port_mib,
1426         }, {
1427                 .type = SWITCH_TYPE_INT,
1428                 .name = "led",
1429                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1430                 .max = 15,
1431                 .set = rtl8366s_sw_set_port_led,
1432                 .get = rtl8366s_sw_get_port_led,
1433         },
1434 };
1435
1436 static struct switch_attr rtl8366s_vlan[] = {
1437         {
1438                 .type = SWITCH_TYPE_STRING,
1439                 .name = "info",
1440                 .description = "Get vlan information",
1441                 .max = 1,
1442                 .set = NULL,
1443                 .get = rtl8366s_sw_get_vlan_info,
1444         },
1445 };
1446
1447 /* template */
1448 static struct switch_dev rtl8366_switch_dev = {
1449         .name = "RTL8366S",
1450         .cpu_port = RTL8366_PORT_NUM_CPU,
1451         .ports = RTL8366_NUM_PORTS,
1452         .vlans = RTL8366_NUM_VLANS,
1453         .attr_global = {
1454                 .attr = rtl8366s_globals,
1455                 .n_attr = ARRAY_SIZE(rtl8366s_globals),
1456         },
1457         .attr_port = {
1458                 .attr = rtl8366s_port,
1459                 .n_attr = ARRAY_SIZE(rtl8366s_port),
1460         },
1461         .attr_vlan = {
1462                 .attr = rtl8366s_vlan,
1463                 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
1464         },
1465
1466         .get_vlan_ports = rtl8366s_sw_get_vlan_ports,
1467         .set_vlan_ports = rtl8366s_sw_set_vlan_ports,
1468         .get_port_pvid = rtl8366s_sw_get_port_pvid,
1469         .set_port_pvid = rtl8366s_sw_set_port_pvid,
1470         .reset_switch = rtl8366s_sw_reset_switch,
1471 };
1472
1473 static int rtl8366s_switch_init(struct rtl8366s *rtl)
1474 {
1475         struct switch_dev *dev = &rtl->dev;
1476         int err;
1477
1478         memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1479         dev->priv = rtl;
1480         dev->devname = dev_name(rtl->parent);
1481
1482         err = register_switch(dev, NULL);
1483         if (err)
1484                 dev_err(rtl->parent, "switch registration failed\n");
1485
1486         return err;
1487 }
1488
1489 static void rtl8366s_switch_cleanup(struct rtl8366s *rtl)
1490 {
1491         unregister_switch(&rtl->dev);
1492 }
1493
1494 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1495 {
1496         struct rtl8366_smi *smi = bus->priv;
1497         u32 val = 0;
1498         int err;
1499
1500         err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1501         if (err)
1502                 return 0xffff;
1503
1504         return val;
1505 }
1506
1507 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1508 {
1509         struct rtl8366_smi *smi = bus->priv;
1510         u32 t;
1511         int err;
1512
1513         err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1514         /* flush write */
1515         (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1516
1517         return err;
1518 }
1519
1520 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
1521 {
1522         return (bus->read == rtl8366s_mii_read &&
1523                 bus->write == rtl8366s_mii_write);
1524 }
1525
1526 static int rtl8366s_setup(struct rtl8366s *rtl)
1527 {
1528         int ret;
1529
1530         ret = rtl8366s_reset_chip(rtl);
1531         if (ret)
1532                 return ret;
1533
1534         rtl8366s_debugfs_init(rtl);
1535         return 0;
1536 }
1537
1538 static int rtl8366s_detect(struct rtl8366_smi *smi)
1539 {
1540         u32 chip_id = 0;
1541         u32 chip_ver = 0;
1542         int ret;
1543
1544         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1545         if (ret) {
1546                 dev_err(smi->parent, "unable to read chip id\n");
1547                 return ret;
1548         }
1549
1550         switch (chip_id) {
1551         case RTL8366S_CHIP_ID_8366:
1552                 break;
1553         default:
1554                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1555                 return -ENODEV;
1556         }
1557
1558         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1559                                    &chip_ver);
1560         if (ret) {
1561                 dev_err(smi->parent, "unable to read chip version\n");
1562                 return ret;
1563         }
1564
1565         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1566                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1567
1568         return 0;
1569 }
1570
1571 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1572         .detect         = rtl8366s_detect,
1573         .mii_read       = rtl8366s_mii_read,
1574         .mii_write      = rtl8366s_mii_write,
1575 };
1576
1577 static int __init rtl8366s_probe(struct platform_device *pdev)
1578 {
1579         static int rtl8366_smi_version_printed;
1580         struct rtl8366s_platform_data *pdata;
1581         struct rtl8366s *rtl;
1582         struct rtl8366_smi *smi;
1583         int err;
1584
1585         if (!rtl8366_smi_version_printed++)
1586                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1587                        " version " RTL8366S_DRIVER_VER"\n");
1588
1589         pdata = pdev->dev.platform_data;
1590         if (!pdata) {
1591                 dev_err(&pdev->dev, "no platform data specified\n");
1592                 err = -EINVAL;
1593                 goto err_out;
1594         }
1595
1596         rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1597         if (!rtl) {
1598                 dev_err(&pdev->dev, "no memory for private data\n");
1599                 err = -ENOMEM;
1600                 goto err_out;
1601         }
1602
1603         rtl->parent = &pdev->dev;
1604
1605         smi = &rtl->smi;
1606         smi->parent = &pdev->dev;
1607         smi->gpio_sda = pdata->gpio_sda;
1608         smi->gpio_sck = pdata->gpio_sck;
1609         smi->ops = &rtl8366s_smi_ops;
1610
1611         err = rtl8366_smi_init(smi);
1612         if (err)
1613                 goto err_free_rtl;
1614
1615         platform_set_drvdata(pdev, rtl);
1616
1617         err = rtl8366s_setup(rtl);
1618         if (err)
1619                 goto err_clear_drvdata;
1620
1621         err = rtl8366s_switch_init(rtl);
1622         if (err)
1623                 goto err_clear_drvdata;
1624
1625         return 0;
1626
1627  err_clear_drvdata:
1628         platform_set_drvdata(pdev, NULL);
1629         rtl8366_smi_cleanup(smi);
1630  err_free_rtl:
1631         kfree(rtl);
1632  err_out:
1633         return err;
1634 }
1635
1636 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1637 {
1638         if (!rtl8366s_mii_bus_match(phydev->bus))
1639                 return -EINVAL;
1640
1641         return 0;
1642 }
1643
1644 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1645 {
1646         return 0;
1647 }
1648
1649 static struct phy_driver rtl8366s_phy_driver = {
1650         .phy_id         = 0x001cc960,
1651         .name           = "Realtek RTL8366S",
1652         .phy_id_mask    = 0x1ffffff0,
1653         .features       = PHY_GBIT_FEATURES,
1654         .config_aneg    = rtl8366s_phy_config_aneg,
1655         .config_init    = rtl8366s_phy_config_init,
1656         .read_status    = genphy_read_status,
1657         .driver         = {
1658                 .owner = THIS_MODULE,
1659         },
1660 };
1661
1662 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1663 {
1664         struct rtl8366s *rtl = platform_get_drvdata(pdev);
1665
1666         if (rtl) {
1667                 rtl8366s_switch_cleanup(rtl);
1668                 rtl8366s_debugfs_remove(rtl);
1669                 platform_set_drvdata(pdev, NULL);
1670                 rtl8366_smi_cleanup(&rtl->smi);
1671                 kfree(rtl);
1672         }
1673
1674         return 0;
1675 }
1676
1677 static struct platform_driver rtl8366s_driver = {
1678         .driver = {
1679                 .name           = RTL8366S_DRIVER_NAME,
1680                 .owner          = THIS_MODULE,
1681         },
1682         .probe          = rtl8366s_probe,
1683         .remove         = __devexit_p(rtl8366s_remove),
1684 };
1685
1686 static int __init rtl8366s_module_init(void)
1687 {
1688         int ret;
1689         ret = platform_driver_register(&rtl8366s_driver);
1690         if (ret)
1691                 return ret;
1692
1693         ret = phy_driver_register(&rtl8366s_phy_driver);
1694         if (ret)
1695                 goto err_platform_unregister;
1696
1697         return 0;
1698
1699  err_platform_unregister:
1700         platform_driver_unregister(&rtl8366s_driver);
1701         return ret;
1702 }
1703 module_init(rtl8366s_module_init);
1704
1705 static void __exit rtl8366s_module_exit(void)
1706 {
1707         phy_driver_unregister(&rtl8366s_phy_driver);
1708         platform_driver_unregister(&rtl8366s_driver);
1709 }
1710 module_exit(rtl8366s_module_exit);
1711
1712 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1713 MODULE_VERSION(RTL8366S_DRIVER_VER);
1714 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1715 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1716 MODULE_LICENSE("GPL v2");
1717 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);