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/rtl8366s.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         int err;
 254
 255         /* set maximum packet length to 1536 bytes */
 256         REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
 257                 RTL8366S_SGCR_MAX_LENGTH_1536);
 258
 259         /* enable all ports */
 260         REG_WR(smi, RTL8366S_PECR, 0);
 261
 262         /* enable learning for all ports */
 263         REG_WR(smi, RTL8366S_SSCR0, 0);
 264
 265         /* enable auto ageing for all ports */
 266         REG_WR(smi, RTL8366S_SSCR1, 0);
 267
 268         /*
 269          * discard VLAN tagged packets if the port is not a member of
 270          * the VLAN with which the packets is associated.
 271          */
 272         REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
 273
 274         /* don't drop packets whose DA has not been learned */
 275         REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
 276
 277         return 0;
 278 }
 279
 280 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
 281                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 282 {
 283         u32 reg;
 284         int ret;
 285
 286         if (phy_no > RTL8366S_PHY_NO_MAX)
 287                 return -EINVAL;
 288
 289         if (page > RTL8366S_PHY_PAGE_MAX)
 290                 return -EINVAL;
 291
 292         if (addr > RTL8366S_PHY_ADDR_MAX)
 293                 return -EINVAL;
 294
 295         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 296                                     RTL8366S_PHY_CTRL_READ);
 297         if (ret)
 298                 return ret;
 299
 300         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 301               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 302               (addr & RTL8366S_PHY_REG_MASK);
 303
 304         ret = rtl8366_smi_write_reg(smi, reg, 0);
 305         if (ret)
 306                 return ret;
 307
 308         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 309         if (ret)
 310                 return ret;
 311
 312         return 0;
 313 }
 314
 315 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
 316                                   u32 phy_no, u32 page, u32 addr, u32 data)
 317 {
 318         u32 reg;
 319         int ret;
 320
 321         if (phy_no > RTL8366S_PHY_NO_MAX)
 322                 return -EINVAL;
 323
 324         if (page > RTL8366S_PHY_PAGE_MAX)
 325                 return -EINVAL;
 326
 327         if (addr > RTL8366S_PHY_ADDR_MAX)
 328                 return -EINVAL;
 329
 330         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 331                                     RTL8366S_PHY_CTRL_WRITE);
 332         if (ret)
 333                 return ret;
 334
 335         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 336               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 337               (addr & RTL8366S_PHY_REG_MASK);
 338
 339         ret = rtl8366_smi_write_reg(smi, reg, data);
 340         if (ret)
 341                 return ret;
 342
 343         return 0;
 344 }
 345
 346 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
 347                                    int port, unsigned long long *val)
 348 {
 349         int i;
 350         int err;
 351         u32 addr, data;
 352         u64 mibvalue;
 353
 354         if (port > RTL8366S_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
 355                 return -EINVAL;
 356
 357         switch (rtl8366s_mib_counters[counter].base) {
 358         case 0:
 359                 addr = RTL8366S_MIB_COUNTER_BASE +
 360                        RTL8366S_MIB_COUNTER_PORT_OFFSET * port;
 361                 break;
 362
 363         case 1:
 364                 addr = RTL8366S_MIB_COUNTER_BASE2 +
 365                         RTL8366S_MIB_COUNTER_PORT_OFFSET2 * port;
 366                 break;
 367
 368         default:
 369                 return -EINVAL;
 370         }
 371
 372         addr += rtl8366s_mib_counters[counter].offset;
 373
 374         /*
 375          * Writing access counter address first
 376          * then ASIC will prepare 64bits counter wait for being retrived
 377          */
 378         data = 0; /* writing data will be discard by ASIC */
 379         err = rtl8366_smi_write_reg(smi, addr, data);
 380         if (err)
 381                 return err;
 382
 383         /* read MIB control register */
 384         err =  rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 385         if (err)
 386                 return err;
 387
 388         if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
 389                 return -EBUSY;
 390
 391         if (data & RTL8366S_MIB_CTRL_RESET_MASK)
 392                 return -EIO;
 393
 394         mibvalue = 0;
 395         for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
 396                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 397                 if (err)
 398                         return err;
 399
 400                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 401         }
 402
 403         *val = mibvalue;
 404         return 0;
 405 }
 406
 407 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 408                                 struct rtl8366_vlan_4k *vlan4k)
 409 {
 410         u32 data[2];
 411         int err;
 412         int i;
 413
 414         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 415
 416         if (vid >= RTL8366S_NUM_VIDS)
 417                 return -EINVAL;
 418
 419         /* write VID */
 420         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE,
 421                                     vid & RTL8366S_VLAN_VID_MASK);
 422         if (err)
 423                 return err;
 424
 425         /* write table access control word */
 426         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 427                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 428         if (err)
 429                 return err;
 430
 431         for (i = 0; i < 2; i++) {
 432                 err = rtl8366_smi_read_reg(smi,
 433                                            RTL8366S_VLAN_TABLE_READ_BASE + i,
 434                                            &data[i]);
 435                 if (err)
 436                         return err;
 437         }
 438
 439         vlan4k->vid = vid;
 440         vlan4k->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
 441                         RTL8366S_VLAN_UNTAG_MASK;
 442         vlan4k->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
 443         vlan4k->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
 444                         RTL8366S_VLAN_FID_MASK;
 445
 446         return 0;
 447 }
 448
 449 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
 450                                 const struct rtl8366_vlan_4k *vlan4k)
 451 {
 452         u32 data[2];
 453         int err;
 454         int i;
 455
 456         if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
 457             vlan4k->member > RTL8366S_PORT_ALL ||
 458             vlan4k->untag > RTL8366S_PORT_ALL ||
 459             vlan4k->fid > RTL8366S_FIDMAX)
 460                 return -EINVAL;
 461
 462         data[0] = vlan4k->vid & RTL8366S_VLAN_VID_MASK;
 463         data[1] = (vlan4k->member & RTL8366S_VLAN_MEMBER_MASK) |
 464                   ((vlan4k->untag & RTL8366S_VLAN_UNTAG_MASK) <<
 465                         RTL8366S_VLAN_UNTAG_SHIFT) |
 466                   ((vlan4k->fid & RTL8366S_VLAN_FID_MASK) <<
 467                         RTL8366S_VLAN_FID_SHIFT);
 468
 469         for (i = 0; i < 2; i++) {
 470                 err = rtl8366_smi_write_reg(smi,
 471                                             RTL8366S_VLAN_TABLE_WRITE_BASE + i,
 472                                             data[i]);
 473                 if (err)
 474                         return err;
 475         }
 476
 477         /* write table access control word */
 478         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 479                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 480
 481         return err;
 482 }
 483
 484 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 485                                 struct rtl8366_vlan_mc *vlanmc)
 486 {
 487         u32 data[2];
 488         int err;
 489         int i;
 490
 491         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 492
 493         if (index >= RTL8366S_NUM_VLANS)
 494                 return -EINVAL;
 495
 496         for (i = 0; i < 2; i++) {
 497                 err = rtl8366_smi_read_reg(smi,
 498                                            RTL8366S_VLAN_MC_BASE(index) + i,
 499                                            &data[i]);
 500                 if (err)
 501                         return err;
 502         }
 503
 504         vlanmc->vid = data[0] & RTL8366S_VLAN_VID_MASK;
 505         vlanmc->priority = (data[0] >> RTL8366S_VLAN_PRIORITY_SHIFT) &
 506                            RTL8366S_VLAN_PRIORITY_MASK;
 507         vlanmc->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
 508                         RTL8366S_VLAN_UNTAG_MASK;
 509         vlanmc->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
 510         vlanmc->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
 511                       RTL8366S_VLAN_FID_MASK;
 512
 513         return 0;
 514 }
 515
 516 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
 517                                 const struct rtl8366_vlan_mc *vlanmc)
 518 {
 519         u32 data[2];
 520         int err;
 521         int i;
 522
 523         if (index >= RTL8366S_NUM_VLANS ||
 524             vlanmc->vid >= RTL8366S_NUM_VIDS ||
 525             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 526             vlanmc->member > RTL8366S_PORT_ALL ||
 527             vlanmc->untag > RTL8366S_PORT_ALL ||
 528             vlanmc->fid > RTL8366S_FIDMAX)
 529                 return -EINVAL;
 530
 531         data[0] = (vlanmc->vid & RTL8366S_VLAN_VID_MASK) |
 532                   ((vlanmc->priority & RTL8366S_VLAN_PRIORITY_MASK) <<
 533                         RTL8366S_VLAN_PRIORITY_SHIFT);
 534         data[1] = (vlanmc->member & RTL8366S_VLAN_MEMBER_MASK) |
 535                   ((vlanmc->untag & RTL8366S_VLAN_UNTAG_MASK) <<
 536                         RTL8366S_VLAN_UNTAG_SHIFT) |
 537                   ((vlanmc->fid & RTL8366S_VLAN_FID_MASK) <<
 538                         RTL8366S_VLAN_FID_SHIFT);
 539
 540         for (i = 0; i < 2; i++) {
 541                 err = rtl8366_smi_write_reg(smi,
 542                                             RTL8366S_VLAN_MC_BASE(index) + i,
 543                                             data[i]);
 544                 if (err)
 545                         return err;
 546         }
 547
 548         return 0;
 549 }
 550
 551 static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
 552 {
 553         u32 data;
 554         int err;
 555
 556         if (port >= RTL8366S_NUM_PORTS)
 557                 return -EINVAL;
 558
 559         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 560                                    &data);
 561         if (err)
 562                 return err;
 563
 564         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 565                RTL8366S_PORT_VLAN_CTRL_MASK;
 566
 567         return 0;
 568 }
 569
 570 static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
 571 {
 572         if (port >= RTL8366S_NUM_PORTS || index >= RTL8366S_NUM_VLANS)
 573                 return -EINVAL;
 574
 575         return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 576                                 RTL8366S_PORT_VLAN_CTRL_MASK <<
 577                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
 578                                 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 579                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 580 }
 581
 582 static int rtl8366s_enable_vlan(struct rtl8366_smi *smi, int enable)
 583 {
 584         return rtl8366_smi_rmwr(smi, RTL8366S_SGCR, RTL8366S_SGCR_EN_VLAN,
 585                                 (enable) ? RTL8366S_SGCR_EN_VLAN : 0);
 586 }
 587
 588 static int rtl8366s_enable_vlan4k(struct rtl8366_smi *smi, int enable)
 589 {
 590         return rtl8366_smi_rmwr(smi, RTL8366S_VLAN_TB_CTRL_REG,
 591                                 1, (enable) ? 1 : 0);
 592 }
 593
 594 static int rtl8366s_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
 595 {
 596         unsigned max = RTL8366S_NUM_VLANS;
 597
 598         if (smi->vlan4k_enabled)
 599                 max = RTL8366S_NUM_VIDS - 1;
 600
 601         if (vlan == 0 || vlan >= max)
 602                 return 0;
 603
 604         return 1;
 605 }
 606
 607 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
 608                                   const struct switch_attr *attr,
 609                                   struct switch_val *val)
 610 {
 611         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 612
 613         return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
 614 }
 615
 616 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
 617                                      const struct switch_attr *attr,
 618                                      struct switch_val *val)
 619 {
 620         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 621         u32 data;
 622
 623         rtl8366_smi_read_reg(smi, RTL8366S_LED_BLINKRATE_REG, &data);
 624
 625         val->value.i = (data & (RTL8366S_LED_BLINKRATE_MASK));
 626
 627         return 0;
 628 }
 629
 630 static int rtl8366s_sw_set_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
 636         if (val->value.i >= 6)
 637                 return -EINVAL;
 638
 639         return rtl8366_smi_rmwr(smi, RTL8366S_LED_BLINKRATE_REG,
 640                                 RTL8366S_LED_BLINKRATE_MASK,
 641                                 val->value.i);
 642 }
 643
 644 static int rtl8366s_sw_get_learning_enable(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         u32 data;
 650
 651         rtl8366_smi_read_reg(smi,RTL8366S_SSCR0, &data);
 652         val->value.i = !data;
 653
 654         return 0;
 655 }
 656
 657
 658 static int rtl8366s_sw_set_learning_enable(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 portmask = 0;
 664         int err = 0;
 665
 666         if (!val->value.i)
 667                 portmask = RTL8366S_PORT_ALL;
 668
 669         /* set learning for all ports */
 670         REG_WR(smi, RTL8366S_SSCR0, portmask);
 671
 672         /* set auto ageing for all ports */
 673         REG_WR(smi, RTL8366S_SSCR1, portmask);
 674
 675         return 0;
 676 }
 677
 678
 679 static const char *rtl8366s_speed_str(unsigned speed)
 680 {
 681         switch (speed) {
 682         case 0:
 683                 return "10baseT";
 684         case 1:
 685                 return "100baseT";
 686         case 2:
 687                 return "1000baseT";
 688         }
 689
 690         return "unknown";
 691 }
 692
 693 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
 694                                      const struct switch_attr *attr,
 695                                      struct switch_val *val)
 696 {
 697         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 698         u32 len = 0, data = 0;
 699
 700         if (val->port_vlan >= RTL8366S_NUM_PORTS)
 701                 return -EINVAL;
 702
 703         memset(smi->buf, '\0', sizeof(smi->buf));
 704         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
 705                              (val->port_vlan / 2), &data);
 706
 707         if (val->port_vlan % 2)
 708                 data = data >> 8;
 709
 710         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
 711                 len = snprintf(smi->buf, sizeof(smi->buf),
 712                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
 713                                 val->port_vlan,
 714                                 rtl8366s_speed_str(data &
 715                                           RTL8366S_PORT_STATUS_SPEED_MASK),
 716                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
 717                                         "full" : "half",
 718                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
 719                                         "tx-pause ": "",
 720                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
 721                                         "rx-pause " : "",
 722                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
 723                                         "nway ": "");
 724         } else {
 725                 len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
 726                                 val->port_vlan);
 727         }
 728
 729         val->value.s = smi->buf;
 730         val->len = len;
 731
 732         return 0;
 733 }
 734
 735 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
 736                                     const struct switch_attr *attr,
 737                                     struct switch_val *val)
 738 {
 739         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 740         u32 data;
 741         u32 mask;
 742         u32 reg;
 743
 744         if (val->port_vlan >= RTL8366S_NUM_PORTS ||
 745             (1 << val->port_vlan) == RTL8366S_PORT_UNKNOWN)
 746                 return -EINVAL;
 747
 748         if (val->port_vlan == RTL8366S_PORT_NUM_CPU) {
 749                 reg = RTL8366S_LED_BLINKRATE_REG;
 750                 mask = 0xF << 4;
 751                 data = val->value.i << 4;
 752         } else {
 753                 reg = RTL8366S_LED_CTRL_REG;
 754                 mask = 0xF << (val->port_vlan * 4),
 755                 data = val->value.i << (val->port_vlan * 4);
 756         }
 757
 758         return rtl8366_smi_rmwr(smi, reg, mask, data);
 759 }
 760
 761 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
 762                                     const struct switch_attr *attr,
 763                                     struct switch_val *val)
 764 {
 765         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 766         u32 data = 0;
 767
 768         if (val->port_vlan >= RTL8366S_NUM_LEDGROUPS)
 769                 return -EINVAL;
 770
 771         rtl8366_smi_read_reg(smi, RTL8366S_LED_CTRL_REG, &data);
 772         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
 773
 774         return 0;
 775 }
 776
 777 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
 778                                        const struct switch_attr *attr,
 779                                        struct switch_val *val)
 780 {
 781         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 782
 783         if (val->port_vlan >= RTL8366S_NUM_PORTS)
 784                 return -EINVAL;
 785
 786
 787         return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
 788                                 0, (1 << (val->port_vlan + 3)));
 789 }
 790
 791 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
 792 {
 793         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 794         int err;
 795
 796         err = rtl8366s_reset_chip(smi);
 797         if (err)
 798                 return err;
 799
 800         err = rtl8366s_hw_init(smi);
 801         if (err)
 802                 return err;
 803
 804         return rtl8366_reset_vlan(smi);
 805 }
 806
 807 static struct switch_attr rtl8366s_globals[] = {
 808         {
 809                 .type = SWITCH_TYPE_INT,
 810                 .name = "enable_learning",
 811                 .description = "Enable learning, enable aging",
 812                 .set = rtl8366s_sw_set_learning_enable,
 813                 .get = rtl8366s_sw_get_learning_enable,
 814                 .max = 1,
 815         }, {
 816                 .type = SWITCH_TYPE_INT,
 817                 .name = "enable_vlan",
 818                 .description = "Enable VLAN mode",
 819                 .set = rtl8366_sw_set_vlan_enable,
 820                 .get = rtl8366_sw_get_vlan_enable,
 821                 .max = 1,
 822                 .ofs = 1
 823         }, {
 824                 .type = SWITCH_TYPE_INT,
 825                 .name = "enable_vlan4k",
 826                 .description = "Enable VLAN 4K mode",
 827                 .set = rtl8366_sw_set_vlan_enable,
 828                 .get = rtl8366_sw_get_vlan_enable,
 829                 .max = 1,
 830                 .ofs = 2
 831         }, {
 832                 .type = SWITCH_TYPE_NOVAL,
 833                 .name = "reset_mibs",
 834                 .description = "Reset all MIB counters",
 835                 .set = rtl8366s_sw_reset_mibs,
 836         }, {
 837                 .type = SWITCH_TYPE_INT,
 838                 .name = "blinkrate",
 839                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
 840                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
 841                 .set = rtl8366s_sw_set_blinkrate,
 842                 .get = rtl8366s_sw_get_blinkrate,
 843                 .max = 5
 844         },
 845 };
 846
 847 static struct switch_attr rtl8366s_port[] = {
 848         {
 849                 .type = SWITCH_TYPE_STRING,
 850                 .name = "link",
 851                 .description = "Get port link information",
 852                 .max = 1,
 853                 .set = NULL,
 854                 .get = rtl8366s_sw_get_port_link,
 855         }, {
 856                 .type = SWITCH_TYPE_NOVAL,
 857                 .name = "reset_mib",
 858                 .description = "Reset single port MIB counters",
 859                 .set = rtl8366s_sw_reset_port_mibs,
 860         }, {
 861                 .type = SWITCH_TYPE_STRING,
 862                 .name = "mib",
 863                 .description = "Get MIB counters for port",
 864                 .max = 33,
 865                 .set = NULL,
 866                 .get = rtl8366_sw_get_port_mib,
 867         }, {
 868                 .type = SWITCH_TYPE_INT,
 869                 .name = "led",
 870                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
 871                 .max = 15,
 872                 .set = rtl8366s_sw_set_port_led,
 873                 .get = rtl8366s_sw_get_port_led,
 874         },
 875 };
 876
 877 static struct switch_attr rtl8366s_vlan[] = {
 878         {
 879                 .type = SWITCH_TYPE_STRING,
 880                 .name = "info",
 881                 .description = "Get vlan information",
 882                 .max = 1,
 883                 .set = NULL,
 884                 .get = rtl8366_sw_get_vlan_info,
 885         },
 886 };
 887
 888 static const struct switch_dev_ops rtl8366_ops = {
 889         .attr_global = {
 890                 .attr = rtl8366s_globals,
 891                 .n_attr = ARRAY_SIZE(rtl8366s_globals),
 892         },
 893         .attr_port = {
 894                 .attr = rtl8366s_port,
 895                 .n_attr = ARRAY_SIZE(rtl8366s_port),
 896         },
 897         .attr_vlan = {
 898                 .attr = rtl8366s_vlan,
 899                 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
 900         },
 901
 902         .get_vlan_ports = rtl8366_sw_get_vlan_ports,
 903         .set_vlan_ports = rtl8366_sw_set_vlan_ports,
 904         .get_port_pvid = rtl8366_sw_get_port_pvid,
 905         .set_port_pvid = rtl8366_sw_set_port_pvid,
 906         .reset_switch = rtl8366s_sw_reset_switch,
 907 };
 908
 909 static int rtl8366s_switch_init(struct rtl8366_smi *smi)
 910 {
 911         struct switch_dev *dev = &smi->sw_dev;
 912         int err;
 913
 914         dev->name = "RTL8366S";
 915         dev->cpu_port = RTL8366S_PORT_NUM_CPU;
 916         dev->ports = RTL8366S_NUM_PORTS;
 917         dev->vlans = RTL8366S_NUM_VIDS;
 918         dev->ops = &rtl8366_ops;
 919         dev->devname = dev_name(smi->parent);
 920
 921         err = register_switch(dev, NULL);
 922         if (err)
 923                 dev_err(smi->parent, "switch registration failed\n");
 924
 925         return err;
 926 }
 927
 928 static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
 929 {
 930         unregister_switch(&smi->sw_dev);
 931 }
 932
 933 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
 934 {
 935         struct rtl8366_smi *smi = bus->priv;
 936         u32 val = 0;
 937         int err;
 938
 939         err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
 940         if (err)
 941                 return 0xffff;
 942
 943         return val;
 944 }
 945
 946 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
 947 {
 948         struct rtl8366_smi *smi = bus->priv;
 949         u32 t;
 950         int err;
 951
 952         err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
 953         /* flush write */
 954         (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
 955
 956         return err;
 957 }
 958
 959 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
 960 {
 961         return (bus->read == rtl8366s_mii_read &&
 962                 bus->write == rtl8366s_mii_write);
 963 }
 964
 965 static int rtl8366s_setup(struct rtl8366_smi *smi)
 966 {
 967         int ret;
 968
 969         ret = rtl8366s_reset_chip(smi);
 970         if (ret)
 971                 return ret;
 972
 973         ret = rtl8366s_hw_init(smi);
 974         return ret;
 975 }
 976
 977 static int rtl8366s_detect(struct rtl8366_smi *smi)
 978 {
 979         u32 chip_id = 0;
 980         u32 chip_ver = 0;
 981         int ret;
 982
 983         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
 984         if (ret) {
 985                 dev_err(smi->parent, "unable to read chip id\n");
 986                 return ret;
 987         }
 988
 989         switch (chip_id) {
 990         case RTL8366S_CHIP_ID_8366:
 991                 break;
 992         default:
 993                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
 994                 return -ENODEV;
 995         }
 996
 997         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
 998                                    &chip_ver);
 999         if (ret) {
1000                 dev_err(smi->parent, "unable to read chip version\n");
1001                 return ret;
1002         }
1003
1004         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1005                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1006
1007         return 0;
1008 }
1009
1010 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1011         .detect         = rtl8366s_detect,
1012         .setup          = rtl8366s_setup,
1013
1014         .mii_read       = rtl8366s_mii_read,
1015         .mii_write      = rtl8366s_mii_write,
1016
1017         .get_vlan_mc    = rtl8366s_get_vlan_mc,
1018         .set_vlan_mc    = rtl8366s_set_vlan_mc,
1019         .get_vlan_4k    = rtl8366s_get_vlan_4k,
1020         .set_vlan_4k    = rtl8366s_set_vlan_4k,
1021         .get_mc_index   = rtl8366s_get_mc_index,
1022         .set_mc_index   = rtl8366s_set_mc_index,
1023         .get_mib_counter = rtl8366_get_mib_counter,
1024         .is_vlan_valid  = rtl8366s_is_vlan_valid,
1025         .enable_vlan    = rtl8366s_enable_vlan,
1026         .enable_vlan4k  = rtl8366s_enable_vlan4k,
1027 };
1028
1029 static int __init rtl8366s_probe(struct platform_device *pdev)
1030 {
1031         static int rtl8366_smi_version_printed;
1032         struct rtl8366s_platform_data *pdata;
1033         struct rtl8366_smi *smi;
1034         int err;
1035
1036         if (!rtl8366_smi_version_printed++)
1037                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1038                        " version " RTL8366S_DRIVER_VER"\n");
1039
1040         pdata = pdev->dev.platform_data;
1041         if (!pdata) {
1042                 dev_err(&pdev->dev, "no platform data specified\n");
1043                 err = -EINVAL;
1044                 goto err_out;
1045         }
1046
1047         smi = rtl8366_smi_alloc(&pdev->dev);
1048         if (!smi) {
1049                 err = -ENOMEM;
1050                 goto err_out;
1051         }
1052
1053         smi->gpio_sda = pdata->gpio_sda;
1054         smi->gpio_sck = pdata->gpio_sck;
1055         smi->ops = &rtl8366s_smi_ops;
1056         smi->cpu_port = RTL8366S_PORT_NUM_CPU;
1057         smi->num_ports = RTL8366S_NUM_PORTS;
1058         smi->num_vlan_mc = RTL8366S_NUM_VLANS;
1059         smi->mib_counters = rtl8366s_mib_counters;
1060         smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
1061
1062         err = rtl8366_smi_init(smi);
1063         if (err)
1064                 goto err_free_smi;
1065
1066         platform_set_drvdata(pdev, smi);
1067
1068         err = rtl8366s_switch_init(smi);
1069         if (err)
1070                 goto err_clear_drvdata;
1071
1072         return 0;
1073
1074  err_clear_drvdata:
1075         platform_set_drvdata(pdev, NULL);
1076         rtl8366_smi_cleanup(smi);
1077  err_free_smi:
1078         kfree(smi);
1079  err_out:
1080         return err;
1081 }
1082
1083 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1084 {
1085         if (!rtl8366s_mii_bus_match(phydev->bus))
1086                 return -EINVAL;
1087
1088         return 0;
1089 }
1090
1091 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1092 {
1093         return 0;
1094 }
1095
1096 static struct phy_driver rtl8366s_phy_driver = {
1097         .phy_id         = 0x001cc960,
1098         .name           = "Realtek RTL8366S",
1099         .phy_id_mask    = 0x1ffffff0,
1100         .features       = PHY_GBIT_FEATURES,
1101         .config_aneg    = rtl8366s_phy_config_aneg,
1102         .config_init    = rtl8366s_phy_config_init,
1103         .read_status    = genphy_read_status,
1104         .driver         = {
1105                 .owner = THIS_MODULE,
1106         },
1107 };
1108
1109 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1110 {
1111         struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1112
1113         if (smi) {
1114                 rtl8366s_switch_cleanup(smi);
1115                 platform_set_drvdata(pdev, NULL);
1116                 rtl8366_smi_cleanup(smi);
1117                 kfree(smi);
1118         }
1119
1120         return 0;
1121 }
1122
1123 static struct platform_driver rtl8366s_driver = {
1124         .driver = {
1125                 .name           = RTL8366S_DRIVER_NAME,
1126                 .owner          = THIS_MODULE,
1127         },
1128         .probe          = rtl8366s_probe,
1129         .remove         = __devexit_p(rtl8366s_remove),
1130 };
1131
1132 static int __init rtl8366s_module_init(void)
1133 {
1134         int ret;
1135         ret = platform_driver_register(&rtl8366s_driver);
1136         if (ret)
1137                 return ret;
1138
1139         ret = phy_driver_register(&rtl8366s_phy_driver);
1140         if (ret)
1141                 goto err_platform_unregister;
1142
1143         return 0;
1144
1145  err_platform_unregister:
1146         platform_driver_unregister(&rtl8366s_driver);
1147         return ret;
1148 }
1149 module_init(rtl8366s_module_init);
1150
1151 static void __exit rtl8366s_module_exit(void)
1152 {
1153         phy_driver_unregister(&rtl8366s_phy_driver);
1154         platform_driver_unregister(&rtl8366s_driver);
1155 }
1156 module_exit(rtl8366s_module_exit);
1157
1158 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1159 MODULE_VERSION(RTL8366S_DRIVER_VER);
1160 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1161 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1162 MODULE_LICENSE("GPL v2");
1163 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);