target/linux/generic/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/rtl8366.h>
  19
  20 #include "rtl8366_smi.h"
  21
  22 #define RTL8366S_DRIVER_DESC    "Realtek RTL8366S ethernet switch driver"
  23 #define RTL8366S_DRIVER_VER     "0.2.2"
  24
  25 #define RTL8366S_PHY_NO_MAX     4
  26 #define RTL8366S_PHY_PAGE_MAX   7
  27 #define RTL8366S_PHY_ADDR_MAX   31
  28
  29 /* Switch Global Configuration register */
  30 #define RTL8366S_SGCR                           0x0000
  31 #define RTL8366S_SGCR_EN_BC_STORM_CTRL          BIT(0)
  32 #define RTL8366S_SGCR_MAX_LENGTH(_x)            (_x << 4)
  33 #define RTL8366S_SGCR_MAX_LENGTH_MASK           RTL8366S_SGCR_MAX_LENGTH(0x3)
  34 #define RTL8366S_SGCR_MAX_LENGTH_1522           RTL8366S_SGCR_MAX_LENGTH(0x0)
  35 #define RTL8366S_SGCR_MAX_LENGTH_1536           RTL8366S_SGCR_MAX_LENGTH(0x1)
  36 #define RTL8366S_SGCR_MAX_LENGTH_1552           RTL8366S_SGCR_MAX_LENGTH(0x2)
  37 #define RTL8366S_SGCR_MAX_LENGTH_16000          RTL8366S_SGCR_MAX_LENGTH(0x3)
  38 #define RTL8366S_SGCR_EN_VLAN                   BIT(13)
  39
  40 /* Port Enable Control register */
  41 #define RTL8366S_PECR                           0x0001
  42
  43 /* Switch Security Control registers */
  44 #define RTL8366S_SSCR0                          0x0002
  45 #define RTL8366S_SSCR1                          0x0003
  46 #define RTL8366S_SSCR2                          0x0004
  47 #define RTL8366S_SSCR2_DROP_UNKNOWN_DA          BIT(0)
  48
  49 #define RTL8366S_RESET_CTRL_REG                 0x0100
  50 #define RTL8366S_CHIP_CTRL_RESET_HW             1
  51 #define RTL8366S_CHIP_CTRL_RESET_SW             (1 << 1)
  52
  53 #define RTL8366S_CHIP_VERSION_CTRL_REG          0x0104
  54 #define RTL8366S_CHIP_VERSION_MASK              0xf
  55 #define RTL8366S_CHIP_ID_REG                    0x0105
  56 #define RTL8366S_CHIP_ID_8366                   0x8366
  57
  58 /* PHY registers control */
  59 #define RTL8366S_PHY_ACCESS_CTRL_REG            0x8028
  60 #define RTL8366S_PHY_ACCESS_DATA_REG            0x8029
  61
  62 #define RTL8366S_PHY_CTRL_READ                  1
  63 #define RTL8366S_PHY_CTRL_WRITE                 0
  64
  65 #define RTL8366S_PHY_REG_MASK                   0x1f
  66 #define RTL8366S_PHY_PAGE_OFFSET                5
  67 #define RTL8366S_PHY_PAGE_MASK                  (0x7 << 5)
  68 #define RTL8366S_PHY_NO_OFFSET                  9
  69 #define RTL8366S_PHY_NO_MASK                    (0x1f << 9)
  70
  71 /* LED control registers */
  72 #define RTL8366S_LED_BLINKRATE_REG              0x0420
  73 #define RTL8366S_LED_BLINKRATE_BIT              0
  74 #define RTL8366S_LED_BLINKRATE_MASK             0x0007
  75
  76 #define RTL8366S_LED_CTRL_REG                   0x0421
  77 #define RTL8366S_LED_0_1_CTRL_REG               0x0422
  78 #define RTL8366S_LED_2_3_CTRL_REG               0x0423
  79
  80 #define RTL8366S_MIB_COUNT                      33
  81 #define RTL8366S_GLOBAL_MIB_COUNT               1
  82 #define RTL8366S_MIB_COUNTER_PORT_OFFSET        0x0040
  83 #define RTL8366S_MIB_COUNTER_BASE               0x1000
  84 #define RTL8366S_MIB_COUNTER_PORT_OFFSET2       0x0008
  85 #define RTL8366S_MIB_COUNTER_BASE2              0x1180
  86 #define RTL8366S_MIB_CTRL_REG                   0x11F0
  87 #define RTL8366S_MIB_CTRL_USER_MASK             0x01FF
  88 #define RTL8366S_MIB_CTRL_BUSY_MASK             0x0001
  89 #define RTL8366S_MIB_CTRL_RESET_MASK            0x0002
  90
  91 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK     0x0004
  92 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT        0x0003
  93 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK       0x01FC
  94
  95
  96 #define RTL8366S_PORT_VLAN_CTRL_BASE            0x0058
  97 #define RTL8366S_PORT_VLAN_CTRL_REG(_p)  \
  98                 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
  99 #define RTL8366S_PORT_VLAN_CTRL_MASK            0xf
 100 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p)       (4 * ((_p) % 4))
 101
 102
 103 #define RTL8366S_VLAN_TABLE_READ_BASE           0x018B
 104 #define RTL8366S_VLAN_TABLE_WRITE_BASE          0x0185
 105
 106 #define RTL8366S_VLAN_TB_CTRL_REG               0x010F
 107
 108 #define RTL8366S_TABLE_ACCESS_CTRL_REG          0x0180
 109 #define RTL8366S_TABLE_VLAN_READ_CTRL           0x0E01
 110 #define RTL8366S_TABLE_VLAN_WRITE_CTRL          0x0F01
 111
 112 #define RTL8366S_VLAN_MC_BASE(_x)               (0x0016 + (_x) * 2)
 113
 114 #define RTL8366S_VLAN_MEMBERINGRESS_REG         0x0379
 115
 116 #define RTL8366S_PORT_LINK_STATUS_BASE          0x0060
 117 #define RTL8366S_PORT_STATUS_SPEED_MASK         0x0003
 118 #define RTL8366S_PORT_STATUS_DUPLEX_MASK        0x0004
 119 #define RTL8366S_PORT_STATUS_LINK_MASK          0x0010
 120 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK       0x0020
 121 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK       0x0040
 122 #define RTL8366S_PORT_STATUS_AN_MASK            0x0080
 123
 124
 125 #define RTL8366S_PORT_NUM_CPU           5
 126 #define RTL8366S_NUM_PORTS              6
 127 #define RTL8366S_NUM_VLANS              16
 128 #define RTL8366S_NUM_LEDGROUPS          4
 129 #define RTL8366S_NUM_VIDS               4096
 130 #define RTL8366S_PRIORITYMAX            7
 131 #define RTL8366S_FIDMAX                 7
 132
 133
 134 #define RTL8366S_PORT_1                 (1 << 0) /* In userspace port 0 */
 135 #define RTL8366S_PORT_2                 (1 << 1) /* In userspace port 1 */
 136 #define RTL8366S_PORT_3                 (1 << 2) /* In userspace port 2 */
 137 #define RTL8366S_PORT_4                 (1 << 3) /* In userspace port 3 */
 138
 139 #define RTL8366S_PORT_UNKNOWN           (1 << 4) /* No known connection */
 140 #define RTL8366S_PORT_CPU               (1 << 5) /* CPU port */
 141
 142 #define RTL8366S_PORT_ALL               (RTL8366S_PORT_1 |      \
 143                                          RTL8366S_PORT_2 |      \
 144                                          RTL8366S_PORT_3 |      \
 145                                          RTL8366S_PORT_4 |      \
 146                                          RTL8366S_PORT_UNKNOWN | \
 147                                          RTL8366S_PORT_CPU)
 148
 149 #define RTL8366S_PORT_ALL_BUT_CPU       (RTL8366S_PORT_1 |      \
 150                                          RTL8366S_PORT_2 |      \
 151                                          RTL8366S_PORT_3 |      \
 152                                          RTL8366S_PORT_4 |      \
 153                                          RTL8366S_PORT_UNKNOWN)
 154
 155 #define RTL8366S_PORT_ALL_EXTERNAL      (RTL8366S_PORT_1 |      \
 156                                          RTL8366S_PORT_2 |      \
 157                                          RTL8366S_PORT_3 |      \
 158                                          RTL8366S_PORT_4)
 159
 160 #define RTL8366S_PORT_ALL_INTERNAL      (RTL8366S_PORT_UNKNOWN | \
 161                                          RTL8366S_PORT_CPU)
 162
 163 #define RTL8366S_VLAN_VID_MASK          0xfff
 164 #define RTL8366S_VLAN_PRIORITY_SHIFT    12
 165 #define RTL8366S_VLAN_PRIORITY_MASK     0x7
 166 #define RTL8366S_VLAN_MEMBER_MASK       0x3f
 167 #define RTL8366S_VLAN_UNTAG_SHIFT       6
 168 #define RTL8366S_VLAN_UNTAG_MASK        0x3f
 169 #define RTL8366S_VLAN_FID_SHIFT         12
 170 #define RTL8366S_VLAN_FID_MASK          0x7
 171
 172 static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
 173         { 0,  0, 4, "IfInOctets"                                },
 174         { 0,  4, 4, "EtherStatsOctets"                          },
 175         { 0,  8, 2, "EtherStatsUnderSizePkts"                   },
 176         { 0, 10, 2, "EtherFragments"                            },
 177         { 0, 12, 2, "EtherStatsPkts64Octets"                    },
 178         { 0, 14, 2, "EtherStatsPkts65to127Octets"               },
 179         { 0, 16, 2, "EtherStatsPkts128to255Octets"              },
 180         { 0, 18, 2, "EtherStatsPkts256to511Octets"              },
 181         { 0, 20, 2, "EtherStatsPkts512to1023Octets"             },
 182         { 0, 22, 2, "EtherStatsPkts1024to1518Octets"            },
 183         { 0, 24, 2, "EtherOversizeStats"                        },
 184         { 0, 26, 2, "EtherStatsJabbers"                         },
 185         { 0, 28, 2, "IfInUcastPkts"                             },
 186         { 0, 30, 2, "EtherStatsMulticastPkts"                   },
 187         { 0, 32, 2, "EtherStatsBroadcastPkts"                   },
 188         { 0, 34, 2, "EtherStatsDropEvents"                      },
 189         { 0, 36, 2, "Dot3StatsFCSErrors"                        },
 190         { 0, 38, 2, "Dot3StatsSymbolErrors"                     },
 191         { 0, 40, 2, "Dot3InPauseFrames"                         },
 192         { 0, 42, 2, "Dot3ControlInUnknownOpcodes"               },
 193         { 0, 44, 4, "IfOutOctets"                               },
 194         { 0, 48, 2, "Dot3StatsSingleCollisionFrames"            },
 195         { 0, 50, 2, "Dot3StatMultipleCollisionFrames"           },
 196         { 0, 52, 2, "Dot3sDeferredTransmissions"                },
 197         { 0, 54, 2, "Dot3StatsLateCollisions"                   },
 198         { 0, 56, 2, "EtherStatsCollisions"                      },
 199         { 0, 58, 2, "Dot3StatsExcessiveCollisions"              },
 200         { 0, 60, 2, "Dot3OutPauseFrames"                        },
 201         { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards"        },
 202
 203         /*
 204          * The following counters are accessible at a different
 205          * base address.
 206          */
 207         { 1,  0, 2, "Dot1dTpPortInDiscards"                     },
 208         { 1,  2, 2, "IfOutUcastPkts"                            },
 209         { 1,  4, 2, "IfOutMulticastPkts"                        },
 210         { 1,  6, 2, "IfOutBroadcastPkts"                        },
 211 };
 212
 213 #define REG_WR(_smi, _reg, _val)                                        \
 214         do {                                                            \
 215                 err = rtl8366_smi_write_reg(_smi, _reg, _val);          \
 216                 if (err)                                                \
 217                         return err;                                     \
 218         } while (0)
 219
 220 #define REG_RMW(_smi, _reg, _mask, _val)                                \
 221         do {                                                            \
 222                 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val);        \
 223                 if (err)                                                \
 224                         return err;                                     \
 225         } while (0)
 226
 227 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
 228 {
 229         int timeout = 10;
 230         u32 data;
 231
 232         rtl8366_smi_write_reg(smi, RTL8366S_RESET_CTRL_REG,
 233                               RTL8366S_CHIP_CTRL_RESET_HW);
 234         do {
 235                 msleep(1);
 236                 if (rtl8366_smi_read_reg(smi, RTL8366S_RESET_CTRL_REG, &data))
 237                         return -EIO;
 238
 239                 if (!(data & RTL8366S_CHIP_CTRL_RESET_HW))
 240                         break;
 241         } while (--timeout);
 242
 243         if (!timeout) {
 244                 printk("Timeout waiting for the switch to reset\n");
 245                 return -EIO;
 246         }
 247
 248         return 0;
 249 }
 250
 251 static int rtl8366s_hw_init(struct rtl8366_smi *smi)
 252 {
 253         struct rtl8366_platform_data *pdata;
 254         int err;
 255
 256         pdata = smi->parent->platform_data;
 257         if (pdata->num_initvals && pdata->initvals) {
 258                 unsigned i;
 259
 260                 dev_info(smi->parent, "applying initvals\n");
 261                 for (i = 0; i < pdata->num_initvals; i++)
 262                         REG_WR(smi, pdata->initvals[i].reg,
 263                                pdata->initvals[i].val);
 264         }
 265
 266         /* set maximum packet length to 1536 bytes */
 267         REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
 268                 RTL8366S_SGCR_MAX_LENGTH_1536);
 269
 270         /* enable learning for all ports */
 271         REG_WR(smi, RTL8366S_SSCR0, 0);
 272
 273         /* enable auto ageing for all ports */
 274         REG_WR(smi, RTL8366S_SSCR1, 0);
 275
 276         /*
 277          * discard VLAN tagged packets if the port is not a member of
 278          * the VLAN with which the packets is associated.
 279          */
 280         REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
 281
 282         /* don't drop packets whose DA has not been learned */
 283         REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
 284
 285         return 0;
 286 }
 287
 288 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
 289                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 290 {
 291         u32 reg;
 292         int ret;
 293
 294         if (phy_no > RTL8366S_PHY_NO_MAX)
 295                 return -EINVAL;
 296
 297         if (page > RTL8366S_PHY_PAGE_MAX)
 298                 return -EINVAL;
 299
 300         if (addr > RTL8366S_PHY_ADDR_MAX)
 301                 return -EINVAL;
 302
 303         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 304                                     RTL8366S_PHY_CTRL_READ);
 305         if (ret)
 306                 return ret;
 307
 308         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 309               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 310               (addr & RTL8366S_PHY_REG_MASK);
 311
 312         ret = rtl8366_smi_write_reg(smi, reg, 0);
 313         if (ret)
 314                 return ret;
 315
 316         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 317         if (ret)
 318                 return ret;
 319
 320         return 0;
 321 }
 322
 323 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
 324                                   u32 phy_no, u32 page, u32 addr, u32 data)
 325 {
 326         u32 reg;
 327         int ret;
 328
 329         if (phy_no > RTL8366S_PHY_NO_MAX)
 330                 return -EINVAL;
 331
 332         if (page > RTL8366S_PHY_PAGE_MAX)
 333                 return -EINVAL;
 334
 335         if (addr > RTL8366S_PHY_ADDR_MAX)
 336                 return -EINVAL;
 337
 338         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 339                                     RTL8366S_PHY_CTRL_WRITE);
 340         if (ret)
 341                 return ret;
 342
 343         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 344               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 345               (addr & RTL8366S_PHY_REG_MASK);
 346
 347         ret = rtl8366_smi_write_reg(smi, reg, data);
 348         if (ret)
 349                 return ret;
 350
 351         return 0;
 352 }
 353
 354 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
 355                                    int port, unsigned long long *val)
 356 {
 357         int i;
 358         int err;
 359         u32 addr, data;
 360         u64 mibvalue;
 361
 362         if (port > RTL8366S_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
 363                 return -EINVAL;
 364
 365         switch (rtl8366s_mib_counters[counter].base) {
 366         case 0:
 367                 addr = RTL8366S_MIB_COUNTER_BASE +
 368                        RTL8366S_MIB_COUNTER_PORT_OFFSET * port;
 369                 break;
 370
 371         case 1:
 372                 addr = RTL8366S_MIB_COUNTER_BASE2 +
 373                         RTL8366S_MIB_COUNTER_PORT_OFFSET2 * port;
 374                 break;
 375
 376         default:
 377                 return -EINVAL;
 378         }
 379
 380         addr += rtl8366s_mib_counters[counter].offset;
 381
 382         /*
 383          * Writing access counter address first
 384          * then ASIC will prepare 64bits counter wait for being retrived
 385          */
 386         data = 0; /* writing data will be discard by ASIC */
 387         err = rtl8366_smi_write_reg(smi, addr, data);
 388         if (err)
 389                 return err;
 390
 391         /* read MIB control register */
 392         err =  rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 393         if (err)
 394                 return err;
 395
 396         if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
 397                 return -EBUSY;
 398
 399         if (data & RTL8366S_MIB_CTRL_RESET_MASK)
 400                 return -EIO;
 401
 402         mibvalue = 0;
 403         for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
 404                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 405                 if (err)
 406                         return err;
 407
 408                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 409         }
 410
 411         *val = mibvalue;
 412         return 0;
 413 }
 414
 415 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 416                                 struct rtl8366_vlan_4k *vlan4k)
 417 {
 418         u32 data[2];
 419         int err;
 420         int i;
 421
 422         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 423
 424         if (vid >= RTL8366S_NUM_VIDS)
 425                 return -EINVAL;
 426
 427         /* write VID */
 428         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE,
 429                                     vid & RTL8366S_VLAN_VID_MASK);
 430         if (err)
 431                 return err;
 432
 433         /* write table access control word */
 434         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 435                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 436         if (err)
 437                 return err;
 438
 439         for (i = 0; i < 2; i++) {
 440                 err = rtl8366_smi_read_reg(smi,
 441                                            RTL8366S_VLAN_TABLE_READ_BASE + i,
 442                                            &data[i]);
 443                 if (err)
 444                         return err;
 445         }
 446
 447         vlan4k->vid = vid;
 448         vlan4k->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
 449                         RTL8366S_VLAN_UNTAG_MASK;
 450         vlan4k->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
 451         vlan4k->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
 452                         RTL8366S_VLAN_FID_MASK;
 453
 454         return 0;
 455 }
 456
 457 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
 458                                 const struct rtl8366_vlan_4k *vlan4k)
 459 {
 460         u32 data[2];
 461         int err;
 462         int i;
 463
 464         if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
 465             vlan4k->member > RTL8366S_VLAN_MEMBER_MASK ||
 466             vlan4k->untag > RTL8366S_VLAN_UNTAG_MASK ||
 467             vlan4k->fid > RTL8366S_FIDMAX)
 468                 return -EINVAL;
 469
 470         data[0] = vlan4k->vid & RTL8366S_VLAN_VID_MASK;
 471         data[1] = (vlan4k->member & RTL8366S_VLAN_MEMBER_MASK) |
 472                   ((vlan4k->untag & RTL8366S_VLAN_UNTAG_MASK) <<
 473                         RTL8366S_VLAN_UNTAG_SHIFT) |
 474                   ((vlan4k->fid & RTL8366S_VLAN_FID_MASK) <<
 475                         RTL8366S_VLAN_FID_SHIFT);
 476
 477         for (i = 0; i < 2; i++) {
 478                 err = rtl8366_smi_write_reg(smi,
 479                                             RTL8366S_VLAN_TABLE_WRITE_BASE + i,
 480                                             data[i]);
 481                 if (err)
 482                         return err;
 483         }
 484
 485         /* write table access control word */
 486         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 487                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 488
 489         return err;
 490 }
 491
 492 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 493                                 struct rtl8366_vlan_mc *vlanmc)
 494 {
 495         u32 data[2];
 496         int err;
 497         int i;
 498
 499         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 500
 501         if (index >= RTL8366S_NUM_VLANS)
 502                 return -EINVAL;
 503
 504         for (i = 0; i < 2; i++) {
 505                 err = rtl8366_smi_read_reg(smi,
 506                                            RTL8366S_VLAN_MC_BASE(index) + i,
 507                                            &data[i]);
 508                 if (err)
 509                         return err;
 510         }
 511
 512         vlanmc->vid = data[0] & RTL8366S_VLAN_VID_MASK;
 513         vlanmc->priority = (data[0] >> RTL8366S_VLAN_PRIORITY_SHIFT) &
 514                            RTL8366S_VLAN_PRIORITY_MASK;
 515         vlanmc->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
 516                         RTL8366S_VLAN_UNTAG_MASK;
 517         vlanmc->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
 518         vlanmc->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
 519                       RTL8366S_VLAN_FID_MASK;
 520
 521         return 0;
 522 }
 523
 524 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
 525                                 const struct rtl8366_vlan_mc *vlanmc)
 526 {
 527         u32 data[2];
 528         int err;
 529         int i;
 530
 531         if (index >= RTL8366S_NUM_VLANS ||
 532             vlanmc->vid >= RTL8366S_NUM_VIDS ||
 533             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 534             vlanmc->member > RTL8366S_VLAN_MEMBER_MASK ||
 535             vlanmc->untag > RTL8366S_VLAN_UNTAG_MASK ||
 536             vlanmc->fid > RTL8366S_FIDMAX)
 537                 return -EINVAL;
 538
 539         data[0] = (vlanmc->vid & RTL8366S_VLAN_VID_MASK) |
 540                   ((vlanmc->priority & RTL8366S_VLAN_PRIORITY_MASK) <<
 541                         RTL8366S_VLAN_PRIORITY_SHIFT);
 542         data[1] = (vlanmc->member & RTL8366S_VLAN_MEMBER_MASK) |
 543                   ((vlanmc->untag & RTL8366S_VLAN_UNTAG_MASK) <<
 544                         RTL8366S_VLAN_UNTAG_SHIFT) |
 545                   ((vlanmc->fid & RTL8366S_VLAN_FID_MASK) <<
 546                         RTL8366S_VLAN_FID_SHIFT);
 547
 548         for (i = 0; i < 2; i++) {
 549                 err = rtl8366_smi_write_reg(smi,
 550                                             RTL8366S_VLAN_MC_BASE(index) + i,
 551                                             data[i]);
 552                 if (err)
 553                         return err;
 554         }
 555
 556         return 0;
 557 }
 558
 559 static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
 560 {
 561         u32 data;
 562         int err;
 563
 564         if (port >= RTL8366S_NUM_PORTS)
 565                 return -EINVAL;
 566
 567         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 568                                    &data);
 569         if (err)
 570                 return err;
 571
 572         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 573                RTL8366S_PORT_VLAN_CTRL_MASK;
 574
 575         return 0;
 576 }
 577
 578 static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
 579 {
 580         if (port >= RTL8366S_NUM_PORTS || index >= RTL8366S_NUM_VLANS)
 581                 return -EINVAL;
 582
 583         return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 584                                 RTL8366S_PORT_VLAN_CTRL_MASK <<
 585                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
 586                                 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 587                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 588 }
 589
 590 static int rtl8366s_enable_vlan(struct rtl8366_smi *smi, int enable)
 591 {
 592         return rtl8366_smi_rmwr(smi, RTL8366S_SGCR, RTL8366S_SGCR_EN_VLAN,
 593                                 (enable) ? RTL8366S_SGCR_EN_VLAN : 0);
 594 }
 595
 596 static int rtl8366s_enable_vlan4k(struct rtl8366_smi *smi, int enable)
 597 {
 598         return rtl8366_smi_rmwr(smi, RTL8366S_VLAN_TB_CTRL_REG,
 599                                 1, (enable) ? 1 : 0);
 600 }
 601
 602 static int rtl8366s_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
 603 {
 604         unsigned max = RTL8366S_NUM_VLANS;
 605
 606         if (smi->vlan4k_enabled)
 607                 max = RTL8366S_NUM_VIDS - 1;
 608
 609         if (vlan == 0 || vlan >= max)
 610                 return 0;
 611
 612         return 1;
 613 }
 614
 615 static int rtl8366s_enable_port(struct rtl8366_smi *smi, int port, int enable)
 616 {
 617         return rtl8366_smi_rmwr(smi, RTL8366S_PECR, (1 << port),
 618                                 (enable) ? 0 : (1 << port));
 619 }
 620
 621 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
 622                                   const struct switch_attr *attr,
 623                                   struct switch_val *val)
 624 {
 625         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 626
 627         return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
 628 }
 629
 630 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
 631                                      const struct switch_attr *attr,
 632                                      struct switch_val *val)
 633 {
 634         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 635         u32 data;
 636
 637         rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
 638
 639         val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
 640
 641         return 0;
 642 }
 643
 644 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
 645                                     const struct switch_attr *attr,
 646                                     struct switch_val *val)
 647 {
 648         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 649
 650         if (val->value.i >= 6)
 651                 return -EINVAL;
 652
 653         return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
 654                                 RTL8366S_LED_BLINKRATE_MASK,
 655                                 val->value.i);
 656 }
 657
 658 static int rtl8366s_sw_get_max_length(struct switch_dev *dev,
 659                                         const struct switch_attr *attr,
 660                                         struct switch_val *val)
 661 {
 662         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 663         u32 data;
 664
 665         rtl8366_smi_read_reg(smi, RTL8366S_SGCR, &data);
 666
 667         val->value.i = ((data & (RTL8366S_SGCR_MAX_LENGTH_MASK)) >> 4);
 668
 669         return 0;
 670 }
 671
 672 static int rtl8366s_sw_set_max_length(struct switch_dev *dev,
 673                                         const struct switch_attr *attr,
 674                                         struct switch_val *val)
 675 {
 676         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 677         char length_code;
 678
 679         switch (val->value.i) {
 680                 case 0:
 681                         length_code = RTL8366S_SGCR_MAX_LENGTH_1522;
 682                         break;
 683                 case 1:
 684                         length_code = RTL8366S_SGCR_MAX_LENGTH_1536;
 685                         break;
 686                 case 2:
 687                         length_code = RTL8366S_SGCR_MAX_LENGTH_1552;
 688                         break;
 689                 case 3:
 690                         length_code = RTL8366S_SGCR_MAX_LENGTH_16000;
 691                         break;
 692                 default:
 693                         return -EINVAL;
 694         }
 695
 696         return rtl8366_smi_rmwr(smi, RTL8366S_SGCR,
 697                         RTL8366S_SGCR_MAX_LENGTH_MASK,
 698                         length_code);
 699 }
 700
 701 static int rtl8366s_sw_get_learning_enable(struct switch_dev *dev,
 702                                            const struct switch_attr *attr,
 703                                            struct switch_val *val)
 704 {
 705         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 706         u32 data;
 707
 708         rtl8366_smi_read_reg(smi,RTL8366S_SSCR0, &data);
 709         val->value.i = !data;
 710
 711         return 0;
 712 }
 713
 714
 715 static int rtl8366s_sw_set_learning_enable(struct switch_dev *dev,
 716                                            const struct switch_attr *attr,
 717                                            struct switch_val *val)
 718 {
 719         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 720         u32 portmask = 0;
 721         int err = 0;
 722
 723         if (!val->value.i)
 724                 portmask = RTL8366S_PORT_ALL;
 725
 726         /* set learning for all ports */
 727         REG_WR(smi, RTL8366S_SSCR0, portmask);
 728
 729         /* set auto ageing for all ports */
 730         REG_WR(smi, RTL8366S_SSCR1, portmask);
 731
 732         return 0;
 733 }
 734
 735
 736 static const char *rtl8366s_speed_str(unsigned speed)
 737 {
 738         switch (speed) {
 739         case 0:
 740                 return "10baseT";
 741         case 1:
 742                 return "100baseT";
 743         case 2:
 744                 return "1000baseT";
 745         }
 746
 747         return "unknown";
 748 }
 749
 750 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
 751                                      const struct switch_attr *attr,
 752                                      struct switch_val *val)
 753 {
 754         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 755         u32 len = 0, data = 0;
 756
 757         if (val->port_vlan >= RTL8366S_NUM_PORTS)
 758                 return -EINVAL;
 759
 760         memset(smi->buf, '\0', sizeof(smi->buf));
 761         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
 762                              (val->port_vlan / 2), &data);
 763
 764         if (val->port_vlan % 2)
 765                 data = data >> 8;
 766
 767         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
 768                 len = snprintf(smi->buf, sizeof(smi->buf),
 769                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
 770                                 val->port_vlan,
 771                                 rtl8366s_speed_str(data &
 772                                           RTL8366S_PORT_STATUS_SPEED_MASK),
 773                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
 774                                         "full" : "half",
 775                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
 776                                         "tx-pause ": "",
 777                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
 778                                         "rx-pause " : "",
 779                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
 780                                         "nway ": "");
 781         } else {
 782                 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
 783                                 val->port_vlan);
 784         }
 785
 786         val->value.s = smi->buf;
 787         val->len = len;
 788
 789         return 0;
 790 }
 791
 792 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
 793                                     const struct switch_attr *attr,
 794                                     struct switch_val *val)
 795 {
 796         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 797         u32 data;
 798         u32 mask;
 799         u32 reg;
 800
 801         if (val->port_vlan >= RTL8366S_NUM_PORTS ||
 802             (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
 803                 return -EINVAL;
 804
 805         if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
 806                 reg = RTL8366S_LED_BLINKRATE_REG;
 807                 mask = 0xF << 4;
 808                 data = val->value.i << 4;
 809         } else {
 810                 reg = RTL8366S_LED_CTRL_REG;
 811                 mask = 0xF << (val->port_vlan * 4),
 812                 data = val->value.i << (val->port_vlan * 4);
 813         }
 814
 815         return rtl8366_smi_rmwr(smi, reg, mask, data);
 816 }
 817
 818 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
 819                                     const struct switch_attr *attr,
 820                                     struct switch_val *val)
 821 {
 822         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 823         u32 data = 0;
 824
 825         if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
 826                 return -EINVAL;
 827
 828         rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
 829         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
 830
 831         return 0;
 832 }
 833
 834 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
 835                                        const struct switch_attr *attr,
 836                                        struct switch_val *val)
 837 {
 838         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 839
 840         if (val->port_vlan >= RTL8366S_NUM_PORTS)
 841                 return -EINVAL;
 842
 843
 844         return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
 845                                 0, (1 << (val->port_vlan + 3)));
 846 }
 847
 848 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
 849 {
 850         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 851         int err;
 852
 853         err = rtl8366s_reset_chip(smi);
 854         if (err)
 855                 return err;
 856
 857         err = rtl8366s_hw_init(smi);
 858         if (err)
 859                 return err;
 860
 861         err = rtl8366_reset_vlan(smi);
 862         if (err)
 863                 return err;
 864
 865         err = rtl8366_enable_vlan(smi, 1);
 866         if (err)
 867                 return err;
 868
 869         return rtl8366_enable_all_ports(smi, 1);
 870 }
 871
 872 static struct switch_attr rtl8366s_globals[] = {
 873         {
 874                 .type = SWITCH_TYPE_INT,
 875                 .name = "enable_learning",
 876                 .description = "Enable learning, enable aging",
 877                 .set = rtl8366s_sw_set_learning_enable,
 878                 .get = rtl8366s_sw_get_learning_enable,
 879                 .max = 1,
 880         }, {
 881                 .type = SWITCH_TYPE_INT,
 882                 .name = "enable_vlan",
 883                 .description = "Enable VLAN mode",
 884                 .set = rtl8366_sw_set_vlan_enable,
 885                 .get = rtl8366_sw_get_vlan_enable,
 886                 .max = 1,
 887                 .ofs = 1
 888         }, {
 889                 .type = SWITCH_TYPE_INT,
 890                 .name = "enable_vlan4k",
 891                 .description = "Enable VLAN 4K mode",
 892                 .set = rtl8366_sw_set_vlan_enable,
 893                 .get = rtl8366_sw_get_vlan_enable,
 894                 .max = 1,
 895                 .ofs = 2
 896         }, {
 897                 .type = SWITCH_TYPE_NOVAL,
 898                 .name = "reset_mibs",
 899                 .description = "Reset all MIB counters",
 900                 .set = rtl8366s_sw_reset_mibs,
 901         }, {
 902                 .type = SWITCH_TYPE_INT,
 903                 .name = "blinkrate",
 904                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
 905                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
 906                 .set = rtl8366s_sw_set_blinkrate,
 907                 .get = rtl8366s_sw_get_blinkrate,
 908                 .max = 5
 909         }, {
 910                 .type = SWITCH_TYPE_INT,
 911                 .name = "max_length",
 912                 .description = "Get/Set the maximum length of valid packets"
 913                 " (0 = 1522, 1 = 1536, 2 = 1552, 3 = 16000 (9216?))",
 914                 .set = rtl8366s_sw_set_max_length,
 915                 .get = rtl8366s_sw_get_max_length,
 916                 .max = 3,
 917         },
 918 };
 919
 920 static struct switch_attr rtl8366s_port[] = {
 921         {
 922                 .type = SWITCH_TYPE_STRING,
 923                 .name = "link",
 924                 .description = "Get port link information",
 925                 .max = 1,
 926                 .set = NULL,
 927                 .get = rtl8366s_sw_get_port_link,
 928         }, {
 929                 .type = SWITCH_TYPE_NOVAL,
 930                 .name = "reset_mib",
 931                 .description = "Reset single port MIB counters",
 932                 .set = rtl8366s_sw_reset_port_mibs,
 933         }, {
 934                 .type = SWITCH_TYPE_STRING,
 935                 .name = "mib",
 936                 .description = "Get MIB counters for port",
 937                 .max = 33,
 938                 .set = NULL,
 939                 .get = rtl8366_sw_get_port_mib,
 940         }, {
 941                 .type = SWITCH_TYPE_INT,
 942                 .name = "led",
 943                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
 944                 .max = 15,
 945                 .set = rtl8366s_sw_set_port_led,
 946                 .get = rtl8366s_sw_get_port_led,
 947         },
 948 };
 949
 950 static struct switch_attr rtl8366s_vlan[] = {
 951         {
 952                 .type = SWITCH_TYPE_STRING,
 953                 .name = "info",
 954                 .description = "Get vlan information",
 955                 .max = 1,
 956                 .set = NULL,
 957                 .get = rtl8366_sw_get_vlan_info,
 958         }, {
 959                 .type = SWITCH_TYPE_INT,
 960                 .name = "fid",
 961                 .description = "Get/Set vlan FID",
 962                 .max = RTL8366S_FIDMAX,
 963                 .set = rtl8366_sw_set_vlan_fid,
 964                 .get = rtl8366_sw_get_vlan_fid,
 965         },
 966 };
 967
 968 static const struct switch_dev_ops rtl8366_ops = {
 969         .attr_global = {
 970                 .attr = rtl8366s_globals,
 971                 .n_attr = ARRAY_SIZE(rtl8366s_globals),
 972         },
 973         .attr_port = {
 974                 .attr = rtl8366s_port,
 975                 .n_attr = ARRAY_SIZE(rtl8366s_port),
 976         },
 977         .attr_vlan = {
 978                 .attr = rtl8366s_vlan,
 979                 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
 980         },
 981
 982         .get_vlan_ports = rtl8366_sw_get_vlan_ports,
 983         .set_vlan_ports = rtl8366_sw_set_vlan_ports,
 984         .get_port_pvid = rtl8366_sw_get_port_pvid,
 985         .set_port_pvid = rtl8366_sw_set_port_pvid,
 986         .reset_switch = rtl8366s_sw_reset_switch,
 987 };
 988
 989 static int rtl8366s_switch_init(struct rtl8366_smi *smi)
 990 {
 991         struct switch_dev *dev = &smi->sw_dev;
 992         int err;
 993
 994         dev->name = "RTL8366S";
 995         dev->cpu_port = RTL8366S_PORT_NUM_CPU;
 996         dev->ports = RTL8366S_NUM_PORTS;
 997         dev->vlans = RTL8366S_NUM_VIDS;
 998         dev->ops = &rtl8366_ops;
 999         dev->alias = dev_name(smi->parent);
1000
1001         err = register_switch(dev, NULL);
1002         if (err)
1003                 dev_err(smi->parent, "switch registration failed\n");
1004
1005         return err;
1006 }
1007
1008 static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
1009 {
1010         unregister_switch(&smi->sw_dev);
1011 }
1012
1013 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1014 {
1015         struct rtl8366_smi *smi = bus->priv;
1016         u32 val = 0;
1017         int err;
1018
1019         err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1020         if (err)
1021                 return 0xffff;
1022
1023         return val;
1024 }
1025
1026 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1027 {
1028         struct rtl8366_smi *smi = bus->priv;
1029         u32 t;
1030         int err;
1031
1032         err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1033         /* flush write */
1034         (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1035
1036         return err;
1037 }
1038
1039 static int rtl8366s_setup(struct rtl8366_smi *smi)
1040 {
1041         int ret;
1042
1043         ret = rtl8366s_reset_chip(smi);
1044         if (ret)
1045                 return ret;
1046
1047         ret = rtl8366s_hw_init(smi);
1048         return ret;
1049 }
1050
1051 static int rtl8366s_detect(struct rtl8366_smi *smi)
1052 {
1053         u32 chip_id = 0;
1054         u32 chip_ver = 0;
1055         int ret;
1056
1057         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1058         if (ret) {
1059                 dev_err(smi->parent, "unable to read chip id\n");
1060                 return ret;
1061         }
1062
1063         switch (chip_id) {
1064         case RTL8366S_CHIP_ID_8366:
1065                 break;
1066         default:
1067                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1068                 return -ENODEV;
1069         }
1070
1071         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1072                                    &chip_ver);
1073         if (ret) {
1074                 dev_err(smi->parent, "unable to read chip version\n");
1075                 return ret;
1076         }
1077
1078         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1079                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1080
1081         return 0;
1082 }
1083
1084 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1085         .detect         = rtl8366s_detect,
1086         .setup          = rtl8366s_setup,
1087
1088         .mii_read       = rtl8366s_mii_read,
1089         .mii_write      = rtl8366s_mii_write,
1090
1091         .get_vlan_mc    = rtl8366s_get_vlan_mc,
1092         .set_vlan_mc    = rtl8366s_set_vlan_mc,
1093         .get_vlan_4k    = rtl8366s_get_vlan_4k,
1094         .set_vlan_4k    = rtl8366s_set_vlan_4k,
1095         .get_mc_index   = rtl8366s_get_mc_index,
1096         .set_mc_index   = rtl8366s_set_mc_index,
1097         .get_mib_counter = rtl8366_get_mib_counter,
1098         .is_vlan_valid  = rtl8366s_is_vlan_valid,
1099         .enable_vlan    = rtl8366s_enable_vlan,
1100         .enable_vlan4k  = rtl8366s_enable_vlan4k,
1101         .enable_port    = rtl8366s_enable_port,
1102 };
1103
1104 static int __devinit rtl8366s_probe(struct platform_device *pdev)
1105 {
1106         static int rtl8366_smi_version_printed;
1107         struct rtl8366_platform_data *pdata;
1108         struct rtl8366_smi *smi;
1109         int err;
1110
1111         if (!rtl8366_smi_version_printed++)
1112                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1113                        " version " RTL8366S_DRIVER_VER"\n");
1114
1115         pdata = pdev->dev.platform_data;
1116         if (!pdata) {
1117                 dev_err(&pdev->dev, "no platform data specified\n");
1118                 err = -EINVAL;
1119                 goto err_out;
1120         }
1121
1122         smi = rtl8366_smi_alloc(&pdev->dev);
1123         if (!smi) {
1124                 err = -ENOMEM;
1125                 goto err_out;
1126         }
1127
1128         smi->gpio_sda = pdata->gpio_sda;
1129         smi->gpio_sck = pdata->gpio_sck;
1130         smi->ops = &rtl8366s_smi_ops;
1131         smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1132         smi->num_ports = RTL8366S_NUM_PORTS;
1133         smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1134         smi->mib_counters = rtl8366s_mib_counters;
1135         smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
1136
1137         err = rtl8366_smi_init(smi);
1138         if (err)
1139                 goto err_free_smi;
1140
1141         platform_set_drvdata(pdev, smi);
1142
1143         err = rtl8366s_switch_init(smi);
1144         if (err)
1145                 goto err_clear_drvdata;
1146
1147         return 0;
1148
1149  err_clear_drvdata:
1150         platform_set_drvdata(pdev, NULL);
1151         rtl8366_smi_cleanup(smi);
1152  err_free_smi:
1153         kfree(smi);
1154  err_out:
1155         return err;
1156 }
1157
1158 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1159 {
1160         struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1161
1162         if (smi) {
1163                 rtl8366s_switch_cleanup(smi);
1164                 platform_set_drvdata(pdev, NULL);
1165                 rtl8366_smi_cleanup(smi);
1166                 kfree(smi);
1167         }
1168
1169         return 0;
1170 }
1171
1172 static struct platform_driver rtl8366s_driver = {
1173         .driver = {
1174                 .name           = RTL8366S_DRIVER_NAME,
1175                 .owner          = THIS_MODULE,
1176         },
1177         .probe          = rtl8366s_probe,
1178         .remove         = __devexit_p(rtl8366s_remove),
1179 };
1180
1181 static int __init rtl8366s_module_init(void)
1182 {
1183         return platform_driver_register(&rtl8366s_driver);
1184 }
1185 module_init(rtl8366s_module_init);
1186
1187 static void __exit rtl8366s_module_exit(void)
1188 {
1189         platform_driver_unregister(&rtl8366s_driver);
1190 }
1191 module_exit(rtl8366s_module_exit);
1192
1193 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1194 MODULE_VERSION(RTL8366S_DRIVER_VER);
1195 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1196 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1197 MODULE_LICENSE("GPL v2");
1198 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);