target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.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/phy.h>
  20 #include <linux/rtl8366rb.h>
  21
  22 #include "rtl8366_smi.h"
  23
  24 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
  25 #include <linux/debugfs.h>
  26 #endif
  27
  28 #define RTL8366S_DRIVER_DESC    "Realtek RTL8366RB ethernet switch driver"
  29 #define RTL8366S_DRIVER_VER     "0.2.0"
  30
  31 #define RTL8366S_PHY_NO_MAX                 4
  32 #define RTL8366S_PHY_PAGE_MAX               7
  33 #define RTL8366S_PHY_ADDR_MAX               31
  34
  35 #define RTL8366_CHIP_GLOBAL_CTRL_REG        0x0000
  36 #define RTL8366_CHIP_CTRL_VLAN              (1 << 13)
  37 #define RTL8366_CHIP_CTRL_VLAN_4KTB         (1 << 14)
  38
  39 #define RTL8366_RESET_CTRL_REG              0x0100
  40 #define RTL8366_CHIP_CTRL_RESET_HW          1
  41 #define RTL8366_CHIP_CTRL_RESET_SW          (1 << 1)
  42
  43 #define RTL8366S_CHIP_VERSION_CTRL_REG      0x050A
  44 #define RTL8366S_CHIP_VERSION_MASK          0xf
  45 #define RTL8366S_CHIP_ID_REG                0x0509
  46 #define RTL8366S_CHIP_ID_8366               0x5937
  47
  48 /* PHY registers control */
  49 #define RTL8366S_PHY_ACCESS_CTRL_REG        0x8000
  50 #define RTL8366S_PHY_ACCESS_DATA_REG        0x8002
  51
  52 #define RTL8366S_PHY_CTRL_READ              1
  53 #define RTL8366S_PHY_CTRL_WRITE             0
  54
  55 #define RTL8366S_PHY_REG_MASK               0x1f
  56 #define RTL8366S_PHY_PAGE_OFFSET            5
  57 #define RTL8366S_PHY_PAGE_MASK              (0xf << 5)
  58 #define RTL8366S_PHY_NO_OFFSET              9
  59 #define RTL8366S_PHY_NO_MASK                (0x1f << 9)
  60
  61 /* LED control registers */
  62 #define RTL8366_LED_BLINKRATE_REG           0x0430
  63 #define RTL8366_LED_BLINKRATE_BIT           0
  64 #define RTL8366_LED_BLINKRATE_MASK          0x0007
  65
  66 #define RTL8366_LED_CTRL_REG                0x0431
  67 #define RTL8366_LED_0_1_CTRL_REG            0x0432
  68 #define RTL8366_LED_2_3_CTRL_REG            0x0433
  69
  70 #define RTL8366S_MIB_COUNT                  33
  71 #define RTL8366S_GLOBAL_MIB_COUNT           1
  72 #define RTL8366S_MIB_COUNTER_PORT_OFFSET    0x0050
  73 #define RTL8366S_MIB_COUNTER_BASE           0x1000
  74 #define RTL8366S_MIB_CTRL_REG               0x13F0
  75 #define RTL8366S_MIB_CTRL_USER_MASK         0x0FFC
  76 #define RTL8366S_MIB_CTRL_BUSY_MASK         0x0001
  77 #define RTL8366S_MIB_CTRL_RESET_MASK        0x0001
  78
  79 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
  80 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT    0x0003
  81 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK   0x01FC
  82
  83
  84 #define RTL8366S_PORT_VLAN_CTRL_BASE        0x0063
  85 #define RTL8366S_PORT_VLAN_CTRL_REG(_p)  \
  86                 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
  87 #define RTL8366S_PORT_VLAN_CTRL_MASK        0xf
  88 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p)   (4 * ((_p) % 4))
  89
  90
  91 #define RTL8366S_VLAN_TABLE_READ_BASE       0x018C
  92 #define RTL8366S_VLAN_TABLE_WRITE_BASE      0x0185
  93
  94
  95 #define RTL8366S_TABLE_ACCESS_CTRL_REG      0x0180
  96 #define RTL8366S_TABLE_VLAN_READ_CTRL       0x0E01
  97 #define RTL8366S_TABLE_VLAN_WRITE_CTRL      0x0F01
  98
  99 #define RTL8366S_VLAN_MEMCONF_BASE          0x0020
 100
 101
 102 #define RTL8366S_PORT_LINK_STATUS_BASE      0x0014
 103 #define RTL8366S_PORT_STATUS_SPEED_MASK     0x0003
 104 #define RTL8366S_PORT_STATUS_DUPLEX_MASK    0x0004
 105 #define RTL8366S_PORT_STATUS_LINK_MASK      0x0010
 106 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK   0x0020
 107 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK   0x0040
 108 #define RTL8366S_PORT_STATUS_AN_MASK        0x0080
 109
 110
 111 #define RTL8366_PORT_NUM_CPU                5
 112 #define RTL8366_NUM_PORTS                   6
 113 #define RTL8366_NUM_VLANS                   16
 114 #define RTL8366_NUM_LEDGROUPS               4
 115 #define RTL8366_NUM_VIDS                    4096
 116 #define RTL8366S_PRIORITYMAX                7
 117 #define RTL8366S_FIDMAX                     7
 118
 119
 120 #define RTL8366_PORT_1                      (1 << 0) /* In userspace port 0 */
 121 #define RTL8366_PORT_2                      (1 << 1) /* In userspace port 1 */
 122 #define RTL8366_PORT_3                      (1 << 2) /* In userspace port 2 */
 123 #define RTL8366_PORT_4                      (1 << 3) /* In userspace port 3 */
 124 #define RTL8366_PORT_5                      (1 << 4) /* In userspace port 4 */
 125
 126 #define RTL8366_PORT_CPU                    (1 << 5) /* CPU port */
 127
 128 #define RTL8366_PORT_ALL                    (RTL8366_PORT_1 |       \
 129                                              RTL8366_PORT_2 |       \
 130                                              RTL8366_PORT_3 |       \
 131                                              RTL8366_PORT_4 |       \
 132                                              RTL8366_PORT_5 |       \
 133                                              RTL8366_PORT_CPU)
 134
 135 #define RTL8366_PORT_ALL_BUT_CPU            (RTL8366_PORT_1 |       \
 136                                              RTL8366_PORT_2 |       \
 137                                              RTL8366_PORT_3 |       \
 138                                              RTL8366_PORT_4 |       \
 139                                              RTL8366_PORT_5)
 140
 141 #define RTL8366_PORT_ALL_EXTERNAL           (RTL8366_PORT_1 |       \
 142                                              RTL8366_PORT_2 |       \
 143                                              RTL8366_PORT_3 |       \
 144                                              RTL8366_PORT_4)
 145
 146 #define RTL8366_PORT_ALL_INTERNAL            RTL8366_PORT_CPU
 147
 148 struct rtl8366rb {
 149         struct device           *parent;
 150         struct rtl8366_smi      smi;
 151         struct mii_bus          *mii_bus;
 152         int                     mii_irq[PHY_MAX_ADDR];
 153         struct switch_dev       dev;
 154         char                    buf[4096];
 155 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 156         struct dentry           *debugfs_root;
 157 #endif
 158 };
 159
 160 struct rtl8366rb_vlanconfig {
 161         u16     reserved2:1;
 162         u16     priority:3;
 163         u16     vid:12;
 164         u16     untag:8;
 165         u16     member:8;
 166         u16     stag_mbr:8;
 167         u16     stag_idx:3;
 168         u16     reserved1:2;
 169         u16     fid:3;
 170 };
 171
 172 struct rtl8366rb_vlan4kentry {
 173         u16     reserved1:4;
 174         u16     vid:12;
 175         u16     untag:8;
 176         u16     member:8;
 177         u16     reserved2:13;
 178         u16     fid:3;
 179 };
 180
 181
 182 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 183 u16 gl_dbg_reg;
 184 #endif
 185
 186 struct mib_counter {
 187         unsigned        offset;
 188         unsigned        length;
 189         const char      *name;
 190 };
 191
 192 static struct mib_counter rtl8366rb_mib_counters[RTL8366S_MIB_COUNT] = {
 193         {  0, 4, "IfInOctets                        " },
 194         {  4, 4, "EtherStatsOctets                  " },
 195         {  8, 2, "EtherStatsUnderSizePkts           " },
 196         { 10, 2, "EtherFregament                    " },
 197         { 12, 2, "EtherStatsPkts64Octets            " },
 198         { 14, 2, "EtherStatsPkts65to127Octets       " },
 199         { 16, 2, "EtherStatsPkts128to255Octets      " },
 200         { 18, 2, "EtherStatsPkts256to511Octets      " },
 201         { 20, 2, "EtherStatsPkts512to1023Octets     " },
 202         { 22, 2, "EtherStatsPkts1024to1518Octets    " },
 203         { 24, 2, "EtherOversizeStats                " },
 204         { 26, 2, "EtherStatsJabbers                 " },
 205         { 28, 2, "IfInUcastPkts                     " },
 206         { 30, 2, "EtherStatsMulticastPkts           " },
 207         { 32, 2, "EtherStatsBroadcastPkts           " },
 208         { 34, 2, "EtherStatsDropEvents              " },
 209         { 36, 2, "Dot3StatsFCSErrors                " },
 210         { 38, 2, "Dot3StatsSymbolErrors             " },
 211         { 40, 2, "Dot3InPauseFrames                 " },
 212         { 42, 2, "Dot3ControlInUnknownOpcodes       " },
 213         { 44, 4, "IfOutOctets                       " },
 214         { 48, 2, "Dot3StatsSingleCollisionFrames    " },
 215         { 50, 2, "Dot3StatMultipleCollisionFrames   " },
 216         { 52, 2, "Dot3sDeferredTransmissions        " },
 217         { 54, 2, "Dot3StatsLateCollisions           " },
 218         { 56, 2, "EtherStatsCollisions              " },
 219         { 58, 2, "Dot3StatsExcessiveCollisions      " },
 220         { 60, 2, "Dot3OutPauseFrames                " },
 221         { 62, 2, "Dot1dBasePortDelayExceededDiscards" },
 222         { 64, 2, "Dot1dTpPortInDiscards             " },
 223         { 66, 2, "IfOutUcastPkts                    " },
 224         { 68, 2, "IfOutMulticastPkts                " },
 225         { 70, 2, "IfOutBroadcastPkts                " },
 226 };
 227
 228 static inline struct rtl8366rb *sw_to_rtl8366rb(struct switch_dev *sw)
 229 {
 230         return container_of(sw, struct rtl8366rb, dev);
 231 }
 232
 233 static int rtl8366rb_reset_chip(struct rtl8366rb *rtl)
 234 {
 235         struct rtl8366_smi *smi = &rtl->smi;
 236         int timeout = 10;
 237         u32 data;
 238
 239         rtl8366_smi_write_reg(smi, RTL8366_RESET_CTRL_REG,
 240                               RTL8366_CHIP_CTRL_RESET_HW);
 241         do {
 242                 msleep(1);
 243                 if (rtl8366_smi_read_reg(smi, RTL8366_RESET_CTRL_REG, &data))
 244                         return -EIO;
 245
 246                 if (!(data & RTL8366_CHIP_CTRL_RESET_HW))
 247                         break;
 248         } while (--timeout);
 249
 250         if (!timeout) {
 251                 printk("Timeout waiting for the switch to reset\n");
 252                 return -EIO;
 253         }
 254
 255         return 0;
 256 }
 257
 258 static int rtl8366rb_read_phy_reg(struct rtl8366rb *rtl,
 259                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 260 {
 261         struct rtl8366_smi *smi = &rtl->smi;
 262         u32 reg;
 263         int ret;
 264
 265         if (phy_no > RTL8366S_PHY_NO_MAX)
 266                 return -EINVAL;
 267
 268         if (page > RTL8366S_PHY_PAGE_MAX)
 269                 return -EINVAL;
 270
 271         if (addr > RTL8366S_PHY_ADDR_MAX)
 272                 return -EINVAL;
 273
 274         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 275                                     RTL8366S_PHY_CTRL_READ);
 276         if (ret)
 277                 return ret;
 278
 279         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 280               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 281               (addr & RTL8366S_PHY_REG_MASK);
 282
 283         ret = rtl8366_smi_write_reg(smi, reg, 0);
 284         if (ret)
 285                 return ret;
 286
 287         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 288         if (ret)
 289                 return ret;
 290
 291         return 0;
 292 }
 293
 294 static int rtl8366rb_write_phy_reg(struct rtl8366rb *rtl,
 295                                   u32 phy_no, u32 page, u32 addr, u32 data)
 296 {
 297         struct rtl8366_smi *smi = &rtl->smi;
 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 rtl8366rb *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                rtl8366rb_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 = rtl8366rb_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 rtl8366rb_get_vlan_4k_entry(struct rtl8366rb *rtl, u32 vid,
 376                                       struct rtl8366rb_vlan4kentry *vlan4k)
 377 {
 378         struct rtl8366_smi *smi = &rtl->smi;
 379         int err;
 380         u32 data;
 381         u16 *tableaddr;
 382
 383         memset(vlan4k, '\0', sizeof(struct rtl8366rb_vlan4kentry));
 384         vlan4k->vid = vid;
 385
 386         if (vid >= RTL8366_NUM_VIDS)
 387                 return -EINVAL;
 388
 389         tableaddr = (u16 *)vlan4k;
 390
 391         /* write VID */
 392         data = *tableaddr;
 393         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 394         if (err)
 395                 return err;
 396
 397         /* write table access control word */
 398         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 399                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 400         if (err)
 401                 return err;
 402
 403         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
 404         if (err)
 405                 return err;
 406
 407         *tableaddr = data;
 408         tableaddr++;
 409
 410         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
 411                                    &data);
 412         if (err)
 413                 return err;
 414
 415         *tableaddr = data;
 416         tableaddr++;
 417
 418         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 2,
 419                                    &data);
 420         if (err)
 421                 return err;
 422         *tableaddr = data;
 423         vlan4k->vid = vid;
 424
 425         return 0;
 426 }
 427
 428 static int rtl8366rb_set_vlan_4k_entry(struct rtl8366rb *rtl,
 429                                       const struct rtl8366rb_vlan4kentry *vlan4k)
 430 {
 431         struct rtl8366_smi *smi = &rtl->smi;
 432         int err;
 433         u32 data;
 434         u16 *tableaddr;
 435
 436         if (vlan4k->vid >= RTL8366_NUM_VIDS ||
 437             vlan4k->member > RTL8366_PORT_ALL ||
 438             vlan4k->untag > RTL8366_PORT_ALL ||
 439             vlan4k->fid > RTL8366S_FIDMAX)
 440                 return -EINVAL;
 441
 442         tableaddr = (u16 *)vlan4k;
 443
 444         data = *tableaddr;
 445
 446         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 447         if (err)
 448                 return err;
 449
 450         tableaddr++;
 451
 452         data = *tableaddr;
 453
 454         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
 455                                     data);
 456         if (err)
 457                 return err;
 458
 459         tableaddr++;
 460
 461         data = *tableaddr;
 462
 463         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 2,
 464                                     data);
 465         if (err)
 466                 return err;
 467
 468         /* write table access control word */
 469         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 470                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 471
 472         return err;
 473 }
 474
 475 static int rtl8366rb_get_vlan_member_config(struct rtl8366rb *rtl, u32 index,
 476                                            struct rtl8366rb_vlanconfig *vlanmc)
 477 {
 478         struct rtl8366_smi *smi = &rtl->smi;
 479         int err;
 480         u32 addr;
 481         u32 data;
 482         u16 *tableaddr;
 483
 484         memset(vlanmc, '\0', sizeof(struct rtl8366rb_vlanconfig));
 485
 486         if (index >= RTL8366_NUM_VLANS)
 487                 return -EINVAL;
 488
 489         tableaddr = (u16 *)vlanmc;
 490
 491         addr = RTL8366S_VLAN_MEMCONF_BASE + (index * 3);
 492         err = rtl8366_smi_read_reg(smi, addr, &data);
 493         if (err)
 494                 return err;
 495
 496         *tableaddr = data;
 497         tableaddr++;
 498
 499         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index * 3);
 500         err = rtl8366_smi_read_reg(smi, addr, &data);
 501         if (err)
 502                 return err;
 503
 504         *tableaddr = data;
 505         tableaddr++;
 506
 507         addr = RTL8366S_VLAN_MEMCONF_BASE + 2 + (index * 3);
 508         err = rtl8366_smi_read_reg(smi, addr, &data);
 509         if (err)
 510                 return err;
 511
 512         *tableaddr = data;
 513
 514         return 0;
 515 }
 516
 517 static int rtl8366rb_set_vlan_member_config(struct rtl8366rb *rtl, u32 index,
 518                                            const struct rtl8366rb_vlanconfig
 519                                            *vlanmc)
 520 {
 521         struct rtl8366_smi *smi = &rtl->smi;
 522         int err;
 523         u32 addr;
 524         u32 data;
 525         u16 *tableaddr;
 526
 527         if (index >= RTL8366_NUM_VLANS ||
 528             vlanmc->vid >= RTL8366_NUM_VIDS ||
 529             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 530             vlanmc->member > RTL8366_PORT_ALL ||
 531             vlanmc->untag > RTL8366_PORT_ALL ||
 532             vlanmc->fid > RTL8366S_FIDMAX)
 533                 return -EINVAL;
 534
 535         addr = RTL8366S_VLAN_MEMCONF_BASE + (index * 3);
 536
 537         tableaddr = (u16 *)vlanmc;
 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 * 3);
 545
 546         tableaddr++;
 547         data = *tableaddr;
 548
 549         err = rtl8366_smi_write_reg(smi, addr, data);
 550         if (err)
 551                 return err;
 552
 553         addr = RTL8366S_VLAN_MEMCONF_BASE + 2 + (index * 3);
 554
 555         tableaddr++;
 556         data = *tableaddr;
 557
 558         err = rtl8366_smi_write_reg(smi, addr, data);
 559         if (err)
 560                 return err;
 561         return 0;
 562 }
 563
 564 static int rtl8366rb_get_port_vlan_index(struct rtl8366rb *rtl, int port,
 565                                        int *val)
 566 {
 567         struct rtl8366_smi *smi = &rtl->smi;
 568         u32 data;
 569         int err;
 570
 571         if (port >= RTL8366_NUM_PORTS)
 572                 return -EINVAL;
 573
 574         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 575                                    &data);
 576         if (err)
 577                 return err;
 578
 579         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 580                RTL8366S_PORT_VLAN_CTRL_MASK;
 581
 582         return 0;
 583
 584 }
 585
 586 static int rtl8366rb_get_vlan_port_pvid(struct rtl8366rb *rtl, int port,
 587                                        int *val)
 588 {
 589         struct rtl8366rb_vlanconfig vlanmc;
 590         int err;
 591         int index;
 592
 593         err = rtl8366rb_get_port_vlan_index(rtl, port, &index);
 594         if (err)
 595                 return err;
 596
 597         err = rtl8366rb_get_vlan_member_config(rtl, index, &vlanmc);
 598         if (err)
 599                 return err;
 600
 601         *val = vlanmc.vid;
 602         return 0;
 603 }
 604
 605 static int rtl8366rb_set_port_vlan_index(struct rtl8366rb *rtl, int port,
 606                                         int index)
 607 {
 608         struct rtl8366_smi *smi = &rtl->smi;
 609         u32 data;
 610         int err;
 611
 612         if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS)
 613                 return -EINVAL;
 614
 615         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 616                                    &data);
 617         if (err)
 618                 return err;
 619
 620         data &= ~(RTL8366S_PORT_VLAN_CTRL_MASK <<
 621                   RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 622         data |= (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 623                  RTL8366S_PORT_VLAN_CTRL_SHIFT(port);
 624
 625         err = rtl8366_smi_write_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 626                                     data);
 627         return err;
 628 }
 629
 630 static int rtl8366rb_set_vlan_port_pvid(struct rtl8366rb *rtl, int port, int val)
 631 {
 632         int i;
 633         struct rtl8366rb_vlanconfig vlanmc;
 634         struct rtl8366rb_vlan4kentry vlan4k;
 635
 636         if (port >= RTL8366_NUM_PORTS || val >= RTL8366_NUM_VIDS)
 637                 return -EINVAL;
 638
 639         /* Updating the 4K entry; lookup it and change the port member set */
 640         rtl8366rb_get_vlan_4k_entry(rtl, val, &vlan4k);
 641         vlan4k.member |= ((1 << port) | RTL8366_PORT_CPU);
 642         vlan4k.untag = RTL8366_PORT_ALL_BUT_CPU;
 643         rtl8366rb_set_vlan_4k_entry(rtl, &vlan4k);
 644
 645         /*
 646          * For the 16 entries more work needs to be done. First see if such
 647          * VID is already there and change it
 648          */
 649         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 650                 rtl8366rb_get_vlan_member_config(rtl, i, &vlanmc);
 651
 652                 /* Try to find an existing vid and update port member set */
 653                 if (val == vlanmc.vid) {
 654                         vlanmc.member |= ((1 << port) | RTL8366_PORT_CPU);
 655                         rtl8366rb_set_vlan_member_config(rtl, i, &vlanmc);
 656
 657                         /* Now update PVID register settings */
 658                         rtl8366rb_set_port_vlan_index(rtl, port, i);
 659
 660                         return 0;
 661                 }
 662         }
 663
 664         /*
 665          * PVID could not be found from vlan table. Replace unused (one that
 666          * has no member ports) with new one
 667          */
 668         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 669                 rtl8366rb_get_vlan_member_config(rtl, i, &vlanmc);
 670
 671                 /*
 672                  * See if this vlan member configuration is unused. It is
 673                  * unused if member set contains no ports or CPU port only
 674                  */
 675                 if (!vlanmc.member || vlanmc.member == RTL8366_PORT_CPU) {
 676                         vlanmc.vid = val;
 677                         vlanmc.priority = 0;
 678                         vlanmc.untag = RTL8366_PORT_ALL_BUT_CPU;
 679                         vlanmc.member = ((1 << port) | RTL8366_PORT_CPU);
 680                         vlanmc.fid = 0;
 681
 682                         rtl8366rb_set_vlan_member_config(rtl, i, &vlanmc);
 683
 684                         /* Now update PVID register settings */
 685                         rtl8366rb_set_port_vlan_index(rtl, port, i);
 686
 687                         return 0;
 688                 }
 689         }
 690
 691         dev_err(rtl->parent,
 692                 "All 16 vlan member configurations are in use\n");
 693
 694         return -EINVAL;
 695 }
 696
 697
 698 static int rtl8366rb_vlan_set_vlan(struct rtl8366rb *rtl, int enable)
 699 {
 700         struct rtl8366_smi *smi = &rtl->smi;
 701         u32 data = 0;
 702
 703         rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
 704
 705         if (enable)
 706                 data |= RTL8366_CHIP_CTRL_VLAN;
 707         else
 708                 data &= ~RTL8366_CHIP_CTRL_VLAN;
 709
 710         return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data);
 711 }
 712
 713 static int rtl8366rb_vlan_set_4ktable(struct rtl8366rb *rtl, int enable)
 714 {
 715         struct rtl8366_smi *smi = &rtl->smi;
 716         u32 data = 0;
 717
 718         rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
 719
 720         if (enable)
 721                 data |= RTL8366_CHIP_CTRL_VLAN_4KTB;
 722         else
 723                 data &= ~RTL8366_CHIP_CTRL_VLAN_4KTB;
 724
 725         return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data);
 726 }
 727
 728 static int rtl8366rb_reset_vlan(struct rtl8366rb *rtl)
 729 {
 730         struct rtl8366rb_vlan4kentry vlan4k;
 731         struct rtl8366rb_vlanconfig vlanmc;
 732         int err;
 733         int i;
 734
 735         /* clear 16 VLAN member configuration */
 736         vlanmc.vid = 0;
 737         vlanmc.priority = 0;
 738         vlanmc.member = 0;
 739         vlanmc.untag = 0;
 740         vlanmc.fid = 0;
 741         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 742                 err = rtl8366rb_set_vlan_member_config(rtl, i, &vlanmc);
 743                 if (err)
 744                         return err;
 745         }
 746
 747         /* Set a default VLAN with vid 1 to 4K table for all ports */
 748         vlan4k.vid = 1;
 749         vlan4k.member = RTL8366_PORT_ALL;
 750         vlan4k.untag = RTL8366_PORT_ALL;
 751         vlan4k.fid = 0;
 752         err = rtl8366rb_set_vlan_4k_entry(rtl, &vlan4k);
 753         if (err)
 754                 return err;
 755
 756         /* Set all ports PVID to default VLAN */
 757         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
 758                 err = rtl8366rb_set_vlan_port_pvid(rtl, i, 0);
 759                 if (err)
 760                         return err;
 761         }
 762
 763         return 0;
 764 }
 765
 766 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 767 static int rtl8366rb_debugfs_open(struct inode *inode, struct file *file)
 768 {
 769         file->private_data = inode->i_private;
 770         return 0;
 771 }
 772
 773 static ssize_t rtl8366rb_read_debugfs_mibs(struct file *file,
 774                                           char __user *user_buf,
 775                                           size_t count, loff_t *ppos)
 776 {
 777         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 778         int i, j, len = 0;
 779         char *buf = rtl->buf;
 780
 781         len += snprintf(buf + len, sizeof(rtl->buf) - len, "MIB Counters:\n");
 782         len += snprintf(buf + len, sizeof(rtl->buf) - len, "Counter"
 783                         "                            "
 784                         "Port 0 \t\t Port 1 \t\t Port 2 \t\t Port 3 \t\t "
 785                         "Port 4\n");
 786
 787         for (i = 0; i < 33; ++i) {
 788                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d:%s ",
 789                                 i, rtl8366rb_mib_counters[i].name);
 790                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 791                         unsigned long long counter = 0;
 792
 793                         if (!rtl8366_get_mib_counter(rtl, i, j, &counter))
 794                                 len += snprintf(buf + len,
 795                                                 sizeof(rtl->buf) - len,
 796                                                 "[%llu]", counter);
 797                         else
 798                                 len += snprintf(buf + len,
 799                                                 sizeof(rtl->buf) - len,
 800                                                 "[error]");
 801
 802                         if (j != RTL8366_NUM_PORTS - 1) {
 803                                 if (counter < 100000)
 804                                         len += snprintf(buf + len,
 805                                                         sizeof(rtl->buf) - len,
 806                                                         "\t");
 807
 808                                 len += snprintf(buf + len,
 809                                                 sizeof(rtl->buf) - len,
 810                                                 "\t");
 811                         }
 812                 }
 813                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 814         }
 815
 816         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 817
 818         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 819 }
 820
 821 static ssize_t rtl8366rb_read_debugfs_vlan(struct file *file,
 822                                           char __user *user_buf,
 823                                           size_t count, loff_t *ppos)
 824 {
 825         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 826         int i, j, len = 0;
 827         char *buf = rtl->buf;
 828
 829         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 830                         "VLAN Member Config:\n");
 831         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 832                         "\t id \t vid \t prio \t member \t untag  \t fid "
 833                         "\tports\n");
 834
 835         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 836                 struct rtl8366rb_vlanconfig vlanmc;
 837
 838                 rtl8366rb_get_vlan_member_config(rtl, i, &vlanmc);
 839
 840                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
 841                                 "\t[%d] \t %d \t %d \t 0x%04x \t 0x%04x \t %d "
 842                                 "\t", i, vlanmc.vid, vlanmc.priority,
 843                                 vlanmc.member, vlanmc.untag, vlanmc.fid);
 844
 845                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 846                         int index = 0;
 847                         if (!rtl8366rb_get_port_vlan_index(rtl, j, &index)) {
 848                                 if (index == i)
 849                                         len += snprintf(buf + len,
 850                                                         sizeof(rtl->buf) - len,
 851                                                         "%d", j);
 852                         }
 853                 }
 854                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 855         }
 856
 857         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 858 }
 859
 860 static ssize_t rtl8366rb_read_debugfs_reg(struct file *file,
 861                                          char __user *user_buf,
 862                                          size_t count, loff_t *ppos)
 863 {
 864         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 865         struct rtl8366_smi *smi = &rtl->smi;
 866         u32 t, reg = gl_dbg_reg;
 867         int err, len = 0;
 868         char *buf = rtl->buf;
 869
 870         memset(buf, '\0', sizeof(rtl->buf));
 871
 872         err = rtl8366_smi_read_reg(smi, reg, &t);
 873         if (err) {
 874                 len += snprintf(buf, sizeof(rtl->buf),
 875                                 "Read failed (reg: 0x%04x)\n", reg);
 876                 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 877         }
 878
 879         len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n",
 880                         reg, t);
 881
 882         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 883 }
 884
 885 static ssize_t rtl8366rb_write_debugfs_reg(struct file *file,
 886                                           const char __user *user_buf,
 887                                           size_t count, loff_t *ppos)
 888 {
 889         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 890         struct rtl8366_smi *smi = &rtl->smi;
 891         unsigned long data;
 892         u32 reg = gl_dbg_reg;
 893         int err;
 894         size_t len;
 895         char *buf = rtl->buf;
 896
 897         len = min(count, sizeof(rtl->buf) - 1);
 898         if (copy_from_user(buf, user_buf, len)) {
 899                 dev_err(rtl->parent, "copy from user failed\n");
 900                 return -EFAULT;
 901         }
 902
 903         buf[len] = '\0';
 904         if (len > 0 && buf[len - 1] == '\n')
 905                 buf[len - 1] = '\0';
 906
 907
 908         if (strict_strtoul(buf, 16, &data)) {
 909                 dev_err(rtl->parent, "Invalid reg value %s\n", buf);
 910         } else {
 911                 err = rtl8366_smi_write_reg(smi, reg, data);
 912                 if (err) {
 913                         dev_err(rtl->parent,
 914                                 "writing reg 0x%04x val 0x%04lx failed\n",
 915                                 reg, data);
 916                 }
 917         }
 918
 919         return count;
 920 }
 921
 922 static const struct file_operations fops_rtl8366rb_regs = {
 923         .read = rtl8366rb_read_debugfs_reg,
 924         .write = rtl8366rb_write_debugfs_reg,
 925         .open = rtl8366rb_debugfs_open,
 926         .owner = THIS_MODULE
 927 };
 928
 929 static const struct file_operations fops_rtl8366rb_vlan = {
 930         .read = rtl8366rb_read_debugfs_vlan,
 931         .open = rtl8366rb_debugfs_open,
 932         .owner = THIS_MODULE
 933 };
 934
 935 static const struct file_operations fops_rtl8366rb_mibs = {
 936         .read = rtl8366rb_read_debugfs_mibs,
 937         .open = rtl8366rb_debugfs_open,
 938         .owner = THIS_MODULE
 939 };
 940
 941 static void rtl8366rb_debugfs_init(struct rtl8366rb *rtl)
 942 {
 943         struct dentry *node;
 944         struct dentry *root;
 945
 946         if (!rtl->debugfs_root)
 947                 rtl->debugfs_root = debugfs_create_dir("rtl8366rb", NULL);
 948
 949         if (!rtl->debugfs_root) {
 950                 dev_err(rtl->parent, "Unable to create debugfs dir\n");
 951                 return;
 952         }
 953         root = rtl->debugfs_root;
 954
 955         node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &gl_dbg_reg);
 956         if (!node) {
 957                 dev_err(rtl->parent, "Creating debugfs file reg failed\n");
 958                 return;
 959         }
 960
 961         node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
 962                                    &fops_rtl8366rb_regs);
 963         if (!node) {
 964                 dev_err(rtl->parent, "Creating debugfs file val failed\n");
 965                 return;
 966         }
 967
 968         node = debugfs_create_file("vlan", S_IRUSR, root, rtl,
 969                                    &fops_rtl8366rb_vlan);
 970         if (!node) {
 971                 dev_err(rtl->parent,
 972                         "Creating debugfs file vlan failed\n");
 973                 return;
 974         }
 975
 976         node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
 977                                    &fops_rtl8366rb_mibs);
 978         if (!node) {
 979                 dev_err(rtl->parent,
 980                         "Creating debugfs file mibs failed\n");
 981                 return;
 982         }
 983 }
 984
 985 static void rtl8366rb_debugfs_remove(struct rtl8366rb *rtl)
 986 {
 987         if (rtl->debugfs_root) {
 988                 debugfs_remove_recursive(rtl->debugfs_root);
 989                 rtl->debugfs_root = NULL;
 990         }
 991 }
 992
 993 #else
 994 static inline void rtl8366rb_debugfs_init(struct rtl8366rb *rtl) {}
 995 static inline void rtl8366rb_debugfs_remove(struct rtl8366rb *rtl) {}
 996 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
 997
 998 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
 999                                   const struct switch_attr *attr,
1000                                   struct switch_val *val)
1001 {
1002         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1003         struct rtl8366_smi *smi = &rtl->smi;
1004         u32 data = 0;
1005
1006         if (val->value.i == 1) {
1007                 rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
1008                 data |= (1 << 2);
1009                 rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
1010         }
1011
1012         return 0;
1013 }
1014
1015 static int rtl8366rb_sw_get_vlan_enable(struct switch_dev *dev,
1016                                        const struct switch_attr *attr,
1017                                        struct switch_val *val)
1018 {
1019         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1020         struct rtl8366_smi *smi = &rtl->smi;
1021         u32 data;
1022
1023         if (attr->ofs == 1) {
1024                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1025
1026                 if (data & RTL8366_CHIP_CTRL_VLAN)
1027                         val->value.i = 1;
1028                 else
1029                         val->value.i = 0;
1030         } else if (attr->ofs == 2) {
1031                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1032
1033                 if (data & RTL8366_CHIP_CTRL_VLAN_4KTB)
1034                         val->value.i = 1;
1035                 else
1036                         val->value.i = 0;
1037         }
1038
1039         return 0;
1040 }
1041
1042 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
1043                                      const struct switch_attr *attr,
1044                                      struct switch_val *val)
1045 {
1046         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1047         struct rtl8366_smi *smi = &rtl->smi;
1048         u32 data;
1049
1050         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1051
1052         val->value.i = (data & (RTL8366_LED_BLINKRATE_MASK));
1053
1054         return 0;
1055 }
1056
1057 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
1058                                     const struct switch_attr *attr,
1059                                     struct switch_val *val)
1060 {
1061         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1062         struct rtl8366_smi *smi = &rtl->smi;
1063         u32 data;
1064
1065         if (val->value.i >= 6)
1066                 return -EINVAL;
1067
1068         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1069
1070         data &= ~RTL8366_LED_BLINKRATE_MASK;
1071         data |= val->value.i;
1072
1073         rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1074
1075         return 0;
1076 }
1077
1078 static int rtl8366rb_sw_set_vlan_enable(struct switch_dev *dev,
1079                                        const struct switch_attr *attr,
1080                                        struct switch_val *val)
1081 {
1082         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1083
1084         if (attr->ofs == 1)
1085                 return rtl8366rb_vlan_set_vlan(rtl, val->value.i);
1086         else
1087                 return rtl8366rb_vlan_set_4ktable(rtl, val->value.i);
1088 }
1089
1090 static const char *rtl8366rb_speed_str(unsigned speed)
1091 {
1092         switch (speed) {
1093         case 0:
1094                 return "10baseT";
1095         case 1:
1096                 return "100baseT";
1097         case 2:
1098                 return "1000baseT";
1099         }
1100
1101         return "unknown";
1102 }
1103
1104 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
1105                                      const struct switch_attr *attr,
1106                                      struct switch_val *val)
1107 {
1108         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1109         struct rtl8366_smi *smi = &rtl->smi;
1110         u32 len = 0, data = 0;
1111
1112         if (val->port_vlan >= RTL8366_NUM_PORTS)
1113                 return -EINVAL;
1114
1115         memset(rtl->buf, '\0', sizeof(rtl->buf));
1116         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
1117                              (val->port_vlan / 2), &data);
1118
1119         if (val->port_vlan % 2)
1120                 data = data >> 8;
1121
1122         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
1123                 len = snprintf(rtl->buf, sizeof(rtl->buf),
1124                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
1125                                 val->port_vlan,
1126                                 rtl8366rb_speed_str(data &
1127                                           RTL8366S_PORT_STATUS_SPEED_MASK),
1128                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
1129                                         "full" : "half",
1130                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
1131                                         "tx-pause ": "",
1132                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
1133                                         "rx-pause " : "",
1134                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
1135                                         "nway ": "");
1136         } else {
1137                 len = snprintf(rtl->buf, sizeof(rtl->buf), "port:%d link: down",
1138                                 val->port_vlan);
1139         }
1140
1141         val->value.s = rtl->buf;
1142         val->len = len;
1143
1144         return 0;
1145 }
1146
1147 static int rtl8366rb_sw_get_vlan_info(struct switch_dev *dev,
1148                                      const struct switch_attr *attr,
1149                                      struct switch_val *val)
1150 {
1151         int i;
1152         u32 len = 0;
1153         struct rtl8366rb_vlanconfig vlanmc;
1154         struct rtl8366rb_vlan4kentry vlan4k;
1155         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1156         char *buf = rtl->buf;
1157
1158         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1159                 return -EINVAL;
1160
1161         memset(buf, '\0', sizeof(rtl->buf));
1162
1163         rtl8366rb_get_vlan_member_config(rtl, val->port_vlan, &vlanmc);
1164         rtl8366rb_get_vlan_4k_entry(rtl, vlanmc.vid, &vlan4k);
1165
1166         len += snprintf(buf + len, sizeof(rtl->buf) - len, "VLAN %d: Ports: ",
1167                         val->port_vlan);
1168
1169         for (i = 0; i < RTL8366_NUM_PORTS; ++i) {
1170                 int index = 0;
1171                 if (!rtl8366rb_get_port_vlan_index(rtl, i, &index) &&
1172                     index == val->port_vlan)
1173                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1174                                         "%d", i);
1175         }
1176         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
1177
1178         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1179                         "\t\t vid \t prio \t member \t untag \t fid\n");
1180         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\tMC:\t");
1181         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1182                         "%d \t %d \t 0x%04x \t 0x%04x \t %d\n",
1183                         vlanmc.vid, vlanmc.priority, vlanmc.member,
1184                         vlanmc.untag, vlanmc.fid);
1185         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\t4K:\t");
1186         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1187                         "%d \t  \t 0x%04x \t 0x%04x \t %d",
1188                         vlan4k.vid, vlan4k.member, vlan4k.untag, vlan4k.fid);
1189
1190         val->value.s = buf;
1191         val->len = len;
1192
1193         return 0;
1194 }
1195
1196 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
1197                                     const struct switch_attr *attr,
1198                                     struct switch_val *val)
1199 {
1200         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1201         struct rtl8366_smi *smi = &rtl->smi;
1202         u32 data = 0;
1203
1204         if (val->port_vlan >= RTL8366_NUM_PORTS)
1205                 return -EINVAL;
1206
1207         if (val->port_vlan == RTL8366_PORT_NUM_CPU) {
1208                 rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1209                 data = (data & (~(0xF << 4))) | (val->value.i << 4);
1210                 rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1211         } else {
1212                 rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1213                 data = (data & (~(0xF << (val->port_vlan * 4)))) |
1214                         (val->value.i << (val->port_vlan * 4));
1215                 rtl8366_smi_write_reg(smi, RTL8366_LED_CTRL_REG, data);
1216         }
1217
1218         return 0;
1219 }
1220
1221 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
1222                                     const struct switch_attr *attr,
1223                                     struct switch_val *val)
1224 {
1225         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1226         struct rtl8366_smi *smi = &rtl->smi;
1227         u32 data = 0;
1228
1229         if (val->port_vlan >= RTL8366_NUM_LEDGROUPS)
1230                 return -EINVAL;
1231
1232         rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1233         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
1234
1235         return 0;
1236 }
1237
1238 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
1239                                        const struct switch_attr *attr,
1240                                        struct switch_val *val)
1241 {
1242         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1243         struct rtl8366_smi *smi = &rtl->smi;
1244         u32 data = 0;
1245
1246         if (val->port_vlan >= RTL8366_NUM_PORTS)
1247                 return -EINVAL;
1248
1249         rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
1250         data |= (1 << (val->port_vlan + 3));
1251         rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
1252
1253         return 0;
1254 }
1255
1256 static int rtl8366rb_sw_get_port_mib(struct switch_dev *dev,
1257                                     const struct switch_attr *attr,
1258                                     struct switch_val *val)
1259 {
1260         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1261         int i, len = 0;
1262         unsigned long long counter = 0;
1263         char *buf = rtl->buf;
1264
1265         if (val->port_vlan >= RTL8366_NUM_PORTS)
1266                 return -EINVAL;
1267
1268         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1269                         "Port %d MIB counters\n",
1270                         val->port_vlan);
1271
1272         for (i = 0; i < RTL8366S_MIB_COUNT; ++i) {
1273                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
1274                                 "%d:%s\t", i, rtl8366rb_mib_counters[i].name);
1275                 if (!rtl8366_get_mib_counter(rtl, i, val->port_vlan, &counter))
1276                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1277                                         "[%llu]\n", counter);
1278                 else
1279                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1280                                         "[error]\n");
1281         }
1282
1283         val->value.s = buf;
1284         val->len = len;
1285         return 0;
1286 }
1287
1288 static int rtl8366rb_sw_get_vlan_ports(struct switch_dev *dev,
1289                                       struct switch_val *val)
1290 {
1291         struct rtl8366rb_vlanconfig vlanmc;
1292         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1293         struct switch_port *port;
1294         int i;
1295
1296         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1297                 return -EINVAL;
1298
1299         rtl8366rb_get_vlan_member_config(rtl, val->port_vlan, &vlanmc);
1300
1301         port = &val->value.ports[0];
1302         val->len = 0;
1303         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
1304                 if (!(vlanmc.member & BIT(i)))
1305                         continue;
1306
1307                 port->id = i;
1308                 port->flags = (vlanmc.untag & BIT(i)) ?
1309                                         0 : BIT(SWITCH_PORT_FLAG_TAGGED);
1310                 val->len++;
1311                 port++;
1312         }
1313         return 0;
1314 }
1315
1316 static int rtl8366rb_sw_set_vlan_ports(struct switch_dev *dev,
1317                                       struct switch_val *val)
1318 {
1319         struct rtl8366rb_vlanconfig vlanmc;
1320         struct rtl8366rb_vlan4kentry vlan4k;
1321         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1322         struct switch_port *port;
1323         int i;
1324
1325         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1326                 return -EINVAL;
1327
1328         rtl8366rb_get_vlan_member_config(rtl, val->port_vlan, &vlanmc);
1329         rtl8366rb_get_vlan_4k_entry(rtl, vlanmc.vid, &vlan4k);
1330
1331         vlanmc.untag = 0;
1332         vlanmc.member = 0;
1333
1334         port = &val->value.ports[0];
1335         for (i = 0; i < val->len; i++, port++) {
1336                 vlanmc.member |= BIT(port->id);
1337
1338                 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1339                         vlanmc.untag |= BIT(port->id);
1340         }
1341
1342         vlan4k.member = vlanmc.member;
1343         vlan4k.untag = vlanmc.untag;
1344
1345         rtl8366rb_set_vlan_member_config(rtl, val->port_vlan, &vlanmc);
1346         rtl8366rb_set_vlan_4k_entry(rtl, &vlan4k);
1347         return 0;
1348 }
1349
1350 static int rtl8366rb_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1351 {
1352         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1353         return rtl8366rb_get_vlan_port_pvid(rtl, port, val);
1354 }
1355
1356 static int rtl8366rb_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1357 {
1358         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1359         return rtl8366rb_set_vlan_port_pvid(rtl, port, val);
1360 }
1361
1362 static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
1363 {
1364         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1365         int err;
1366
1367         err = rtl8366rb_reset_chip(rtl);
1368         if (err)
1369                 return err;
1370
1371         return rtl8366rb_reset_vlan(rtl);
1372 }
1373
1374 static struct switch_attr rtl8366rb_globals[] = {
1375         {
1376                 .type = SWITCH_TYPE_INT,
1377                 .name = "enable_vlan",
1378                 .description = "Enable VLAN mode",
1379                 .set = rtl8366rb_sw_set_vlan_enable,
1380                 .get = rtl8366rb_sw_get_vlan_enable,
1381                 .max = 1,
1382                 .ofs = 1
1383         }, {
1384                 .type = SWITCH_TYPE_INT,
1385                 .name = "enable_vlan4k",
1386                 .description = "Enable VLAN 4K mode",
1387                 .set = rtl8366rb_sw_set_vlan_enable,
1388                 .get = rtl8366rb_sw_get_vlan_enable,
1389                 .max = 1,
1390                 .ofs = 2
1391         }, {
1392                 .type = SWITCH_TYPE_INT,
1393                 .name = "reset_mibs",
1394                 .description = "Reset all MIB counters",
1395                 .set = rtl8366rb_sw_reset_mibs,
1396                 .get = NULL,
1397                 .max = 1
1398         }, {
1399                 .type = SWITCH_TYPE_INT,
1400                 .name = "blinkrate",
1401                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1402                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1403                 .set = rtl8366rb_sw_set_blinkrate,
1404                 .get = rtl8366rb_sw_get_blinkrate,
1405                 .max = 5
1406         },
1407 };
1408
1409 static struct switch_attr rtl8366rb_port[] = {
1410         {
1411                 .type = SWITCH_TYPE_STRING,
1412                 .name = "link",
1413                 .description = "Get port link information",
1414                 .max = 1,
1415                 .set = NULL,
1416                 .get = rtl8366rb_sw_get_port_link,
1417         }, {
1418                 .type = SWITCH_TYPE_INT,
1419                 .name = "reset_mib",
1420                 .description = "Reset single port MIB counters",
1421                 .max = 1,
1422                 .set = rtl8366rb_sw_reset_port_mibs,
1423                 .get = NULL,
1424         }, {
1425                 .type = SWITCH_TYPE_STRING,
1426                 .name = "mib",
1427                 .description = "Get MIB counters for port",
1428                 .max = 33,
1429                 .set = NULL,
1430                 .get = rtl8366rb_sw_get_port_mib,
1431         }, {
1432                 .type = SWITCH_TYPE_INT,
1433                 .name = "led",
1434                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1435                 .max = 15,
1436                 .set = rtl8366rb_sw_set_port_led,
1437                 .get = rtl8366rb_sw_get_port_led,
1438         },
1439 };
1440
1441 static struct switch_attr rtl8366rb_vlan[] = {
1442         {
1443                 .type = SWITCH_TYPE_STRING,
1444                 .name = "info",
1445                 .description = "Get vlan information",
1446                 .max = 1,
1447                 .set = NULL,
1448                 .get = rtl8366rb_sw_get_vlan_info,
1449         },
1450 };
1451
1452 /* template */
1453 static struct switch_dev rtl8366_switch_dev = {
1454         .name = "RTL8366S",
1455         .cpu_port = RTL8366_PORT_NUM_CPU,
1456         .ports = RTL8366_NUM_PORTS,
1457         .vlans = RTL8366_NUM_VLANS,
1458         .attr_global = {
1459                 .attr = rtl8366rb_globals,
1460                 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1461         },
1462         .attr_port = {
1463                 .attr = rtl8366rb_port,
1464                 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1465         },
1466         .attr_vlan = {
1467                 .attr = rtl8366rb_vlan,
1468                 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1469         },
1470
1471         .get_vlan_ports = rtl8366rb_sw_get_vlan_ports,
1472         .set_vlan_ports = rtl8366rb_sw_set_vlan_ports,
1473         .get_port_pvid = rtl8366rb_sw_get_port_pvid,
1474         .set_port_pvid = rtl8366rb_sw_set_port_pvid,
1475         .reset_switch = rtl8366rb_sw_reset_switch,
1476 };
1477
1478 static int rtl8366rb_switch_init(struct rtl8366rb *rtl)
1479 {
1480         struct switch_dev *dev = &rtl->dev;
1481         int err;
1482
1483         memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1484         dev->priv = rtl;
1485         dev->devname = dev_name(rtl->parent);
1486
1487         err = register_switch(dev, NULL);
1488         if (err)
1489                 dev_err(rtl->parent, "switch registration failed\n");
1490
1491         return err;
1492 }
1493
1494 static void rtl8366rb_switch_cleanup(struct rtl8366rb *rtl)
1495 {
1496         unregister_switch(&rtl->dev);
1497 }
1498
1499 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1500 {
1501         struct rtl8366rb *rtl = bus->priv;
1502         u32 val = 0;
1503         int err;
1504
1505         err = rtl8366rb_read_phy_reg(rtl, addr, 0, reg, &val);
1506         if (err)
1507                 return 0xffff;
1508
1509         return val;
1510 }
1511
1512 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1513 {
1514         struct rtl8366rb *rtl = bus->priv;
1515         u32 t;
1516         int err;
1517
1518         err = rtl8366rb_write_phy_reg(rtl, addr, 0, reg, val);
1519         /* flush write */
1520         (void) rtl8366rb_read_phy_reg(rtl, addr, 0, reg, &t);
1521
1522         return err;
1523 }
1524
1525 static int rtl8366rb_mii_init(struct rtl8366rb *rtl)
1526 {
1527         int ret;
1528         int i;
1529
1530         rtl->mii_bus = mdiobus_alloc();
1531         if (rtl->mii_bus == NULL) {
1532                 ret = -ENOMEM;
1533                 goto err;
1534         }
1535
1536         rtl->mii_bus->priv = (void *) rtl;
1537         rtl->mii_bus->name = "rtl8366-rtl";
1538         rtl->mii_bus->read = rtl8366rb_mii_read;
1539         rtl->mii_bus->write = rtl8366rb_mii_write;
1540         snprintf(rtl->mii_bus->id, MII_BUS_ID_SIZE, "%s",
1541                  dev_name(rtl->parent));
1542         rtl->mii_bus->parent = rtl->parent;
1543         rtl->mii_bus->phy_mask = ~(0x1f);
1544         rtl->mii_bus->irq = rtl->mii_irq;
1545         for (i = 0; i < PHY_MAX_ADDR; i++)
1546                 rtl->mii_irq[i] = PHY_POLL;
1547
1548         ret = mdiobus_register(rtl->mii_bus);
1549         if (ret)
1550                 goto err_free;
1551
1552         return 0;
1553
1554  err_free:
1555         mdiobus_free(rtl->mii_bus);
1556  err:
1557         return ret;
1558 }
1559
1560 static void rtl8366rb_mii_cleanup(struct rtl8366rb *rtl)
1561 {
1562         mdiobus_unregister(rtl->mii_bus);
1563         mdiobus_free(rtl->mii_bus);
1564 }
1565
1566 static int rtl8366rb_mii_bus_match(struct mii_bus *bus)
1567 {
1568         return (bus->read == rtl8366rb_mii_read &&
1569                 bus->write == rtl8366rb_mii_write);
1570 }
1571
1572 static int rtl8366rb_setup(struct rtl8366rb *rtl)
1573 {
1574         struct rtl8366_smi *smi = &rtl->smi;
1575         u32 chip_id = 0;
1576         u32 chip_ver = 0;
1577         int ret;
1578
1579         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1580         if (ret) {
1581                 dev_err(rtl->parent, "unable to read chip id\n");
1582                 return ret;
1583         }
1584
1585         switch (chip_id) {
1586         case RTL8366S_CHIP_ID_8366:
1587                 break;
1588         default:
1589                 dev_err(rtl->parent, "unknown chip id (%04x)\n", chip_id);
1590                 return -ENODEV;
1591         }
1592
1593         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1594                                    &chip_ver);
1595         if (ret) {
1596                 dev_err(rtl->parent, "unable to read chip version\n");
1597                 return ret;
1598         }
1599
1600         dev_info(rtl->parent, "RTL%04x ver. %u chip found\n",
1601                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1602
1603         ret = rtl8366rb_reset_chip(rtl);
1604         if (ret)
1605                 return ret;
1606
1607         rtl8366rb_debugfs_init(rtl);
1608         return 0;
1609 }
1610
1611 static int __init rtl8366rb_probe(struct platform_device *pdev)
1612 {
1613         static int rtl8366_smi_version_printed;
1614         struct rtl8366rb_platform_data *pdata;
1615         struct rtl8366rb *rtl;
1616         struct rtl8366_smi *smi;
1617         int err;
1618
1619         if (!rtl8366_smi_version_printed++)
1620                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1621                        " version " RTL8366S_DRIVER_VER"\n");
1622
1623         pdata = pdev->dev.platform_data;
1624         if (!pdata) {
1625                 dev_err(&pdev->dev, "no platform data specified\n");
1626                 err = -EINVAL;
1627                 goto err_out;
1628         }
1629
1630         rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1631         if (!rtl) {
1632                 dev_err(&pdev->dev, "no memory for private data\n");
1633                 err = -ENOMEM;
1634                 goto err_out;
1635         }
1636
1637         rtl->parent = &pdev->dev;
1638
1639         smi = &rtl->smi;
1640         smi->parent = &pdev->dev;
1641         smi->gpio_sda = pdata->gpio_sda;
1642         smi->gpio_sck = pdata->gpio_sck;
1643
1644         err = rtl8366_smi_init(smi);
1645         if (err)
1646                 goto err_free_rtl;
1647
1648         platform_set_drvdata(pdev, rtl);
1649
1650         err = rtl8366rb_setup(rtl);
1651         if (err)
1652                 goto err_clear_drvdata;
1653
1654         err = rtl8366rb_mii_init(rtl);
1655         if (err)
1656                 goto err_clear_drvdata;
1657
1658         err = rtl8366rb_switch_init(rtl);
1659         if (err)
1660                 goto err_mii_cleanup;
1661
1662         return 0;
1663
1664  err_mii_cleanup:
1665         rtl8366rb_mii_cleanup(rtl);
1666  err_clear_drvdata:
1667         platform_set_drvdata(pdev, NULL);
1668         rtl8366_smi_cleanup(smi);
1669  err_free_rtl:
1670         kfree(rtl);
1671  err_out:
1672         return err;
1673 }
1674
1675 static int rtl8366rb_phy_config_init(struct phy_device *phydev)
1676 {
1677         if (!rtl8366rb_mii_bus_match(phydev->bus))
1678                 return -EINVAL;
1679
1680         return 0;
1681 }
1682
1683 static int rtl8366rb_phy_config_aneg(struct phy_device *phydev)
1684 {
1685         return 0;
1686 }
1687
1688 static struct phy_driver rtl8366rb_phy_driver = {
1689         .phy_id         = 0x001cc960,
1690         .name           = "Realtek RTL8366RB",
1691         .phy_id_mask    = 0x1ffffff0,
1692         .features       = PHY_GBIT_FEATURES,
1693         .config_aneg    = rtl8366rb_phy_config_aneg,
1694         .config_init    = rtl8366rb_phy_config_init,
1695         .read_status    = genphy_read_status,
1696         .driver         = {
1697                 .owner = THIS_MODULE,
1698         },
1699 };
1700
1701 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1702 {
1703         struct rtl8366rb *rtl = platform_get_drvdata(pdev);
1704
1705         if (rtl) {
1706                 rtl8366rb_switch_cleanup(rtl);
1707                 rtl8366rb_debugfs_remove(rtl);
1708                 rtl8366rb_mii_cleanup(rtl);
1709                 platform_set_drvdata(pdev, NULL);
1710                 rtl8366_smi_cleanup(&rtl->smi);
1711                 kfree(rtl);
1712         }
1713
1714         return 0;
1715 }
1716
1717 static struct platform_driver rtl8366rb_driver = {
1718         .driver = {
1719                 .name           = RTL8366RB_DRIVER_NAME,
1720                 .owner          = THIS_MODULE,
1721         },
1722         .probe          = rtl8366rb_probe,
1723         .remove         = __devexit_p(rtl8366rb_remove),
1724 };
1725
1726 static int __init rtl8366rb_module_init(void)
1727 {
1728         int ret;
1729         ret = platform_driver_register(&rtl8366rb_driver);
1730         if (ret)
1731                 return ret;
1732
1733         ret = phy_driver_register(&rtl8366rb_phy_driver);
1734         if (ret)
1735                 goto err_platform_unregister;
1736
1737         return 0;
1738
1739  err_platform_unregister:
1740         platform_driver_unregister(&rtl8366rb_driver);
1741         return ret;
1742 }
1743 module_init(rtl8366rb_module_init);
1744
1745 static void __exit rtl8366rb_module_exit(void)
1746 {
1747         phy_driver_unregister(&rtl8366rb_phy_driver);
1748         platform_driver_unregister(&rtl8366rb_driver);
1749 }
1750 module_exit(rtl8366rb_module_exit);
1751
1752 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1753 MODULE_VERSION(RTL8366S_DRIVER_VER);
1754 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1755 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1756 MODULE_LICENSE("GPL v2");
1757 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);