target/linux/generic/files/drivers/net/phy/rtl8366rb.c

   1 /*
   2  * Platform driver for the Realtek RTL8366RB ethernet switch
   3  *
   4  * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
   6  * Copyright (C) 2010 Roman Yeryomin <roman@advem.lv>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License version 2 as published
  10  * by the Free Software Foundation.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/module.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/delay.h>
  18 #include <linux/skbuff.h>
  19 #include <linux/rtl8366.h>
  20
  21 #include "rtl8366_smi.h"
  22
  23 #define RTL8366RB_DRIVER_DESC   "Realtek RTL8366RB ethernet switch driver"
  24 #define RTL8366RB_DRIVER_VER    "0.2.3"
  25
  26 #define RTL8366RB_PHY_NO_MAX    4
  27 #define RTL8366RB_PHY_PAGE_MAX  7
  28 #define RTL8366RB_PHY_ADDR_MAX  31
  29
  30 /* Switch Global Configuration register */
  31 #define RTL8366RB_SGCR                          0x0000
  32 #define RTL8366RB_SGCR_EN_BC_STORM_CTRL         BIT(0)
  33 #define RTL8366RB_SGCR_MAX_LENGTH(_x)           (_x << 4)
  34 #define RTL8366RB_SGCR_MAX_LENGTH_MASK          RTL8366RB_SGCR_MAX_LENGTH(0x3)
  35 #define RTL8366RB_SGCR_MAX_LENGTH_1522          RTL8366RB_SGCR_MAX_LENGTH(0x0)
  36 #define RTL8366RB_SGCR_MAX_LENGTH_1536          RTL8366RB_SGCR_MAX_LENGTH(0x1)
  37 #define RTL8366RB_SGCR_MAX_LENGTH_1552          RTL8366RB_SGCR_MAX_LENGTH(0x2)
  38 #define RTL8366RB_SGCR_MAX_LENGTH_9216          RTL8366RB_SGCR_MAX_LENGTH(0x3)
  39 #define RTL8366RB_SGCR_EN_VLAN                  BIT(13)
  40 #define RTL8366RB_SGCR_EN_VLAN_4KTB             BIT(14)
  41
  42 /* Port Enable Control register */
  43 #define RTL8366RB_PECR                          0x0001
  44
  45 /* Switch Security Control registers */
  46 #define RTL8366RB_SSCR0                         0x0002
  47 #define RTL8366RB_SSCR1                         0x0003
  48 #define RTL8366RB_SSCR2                         0x0004
  49 #define RTL8366RB_SSCR2_DROP_UNKNOWN_DA         BIT(0)
  50
  51 #define RTL8366RB_RESET_CTRL_REG                0x0100
  52 #define RTL8366RB_CHIP_CTRL_RESET_HW            1
  53 #define RTL8366RB_CHIP_CTRL_RESET_SW            (1 << 1)
  54
  55 #define RTL8366RB_CHIP_VERSION_CTRL_REG         0x050A
  56 #define RTL8366RB_CHIP_VERSION_MASK             0xf
  57 #define RTL8366RB_CHIP_ID_REG                   0x0509
  58 #define RTL8366RB_CHIP_ID_8366                  0x5937
  59
  60 /* PHY registers control */
  61 #define RTL8366RB_PHY_ACCESS_CTRL_REG           0x8000
  62 #define RTL8366RB_PHY_ACCESS_DATA_REG           0x8002
  63
  64 #define RTL8366RB_PHY_CTRL_READ                 1
  65 #define RTL8366RB_PHY_CTRL_WRITE                0
  66
  67 #define RTL8366RB_PHY_REG_MASK                  0x1f
  68 #define RTL8366RB_PHY_PAGE_OFFSET               5
  69 #define RTL8366RB_PHY_PAGE_MASK                 (0xf << 5)
  70 #define RTL8366RB_PHY_NO_OFFSET                 9
  71 #define RTL8366RB_PHY_NO_MASK                   (0x1f << 9)
  72
  73 #define RTL8366RB_VLAN_INGRESS_CTRL2_REG        0x037f
  74
  75 /* LED control registers */
  76 #define RTL8366RB_LED_BLINKRATE_REG             0x0430
  77 #define RTL8366RB_LED_BLINKRATE_BIT             0
  78 #define RTL8366RB_LED_BLINKRATE_MASK            0x0007
  79
  80 #define RTL8366RB_LED_CTRL_REG                  0x0431
  81 #define RTL8366RB_LED_0_1_CTRL_REG              0x0432
  82 #define RTL8366RB_LED_2_3_CTRL_REG              0x0433
  83
  84 #define RTL8366RB_MIB_COUNT                     33
  85 #define RTL8366RB_GLOBAL_MIB_COUNT              1
  86 #define RTL8366RB_MIB_COUNTER_PORT_OFFSET       0x0050
  87 #define RTL8366RB_MIB_COUNTER_BASE              0x1000
  88 #define RTL8366RB_MIB_CTRL_REG                  0x13F0
  89 #define RTL8366RB_MIB_CTRL_USER_MASK            0x0FFC
  90 #define RTL8366RB_MIB_CTRL_BUSY_MASK            BIT(0)
  91 #define RTL8366RB_MIB_CTRL_RESET_MASK           BIT(1)
  92 #define RTL8366RB_MIB_CTRL_PORT_RESET(_p)       BIT(2 + (_p))
  93 #define RTL8366RB_MIB_CTRL_GLOBAL_RESET         BIT(11)
  94
  95 #define RTL8366RB_PORT_VLAN_CTRL_BASE           0x0063
  96 #define RTL8366RB_PORT_VLAN_CTRL_REG(_p)  \
  97                 (RTL8366RB_PORT_VLAN_CTRL_BASE + (_p) / 4)
  98 #define RTL8366RB_PORT_VLAN_CTRL_MASK           0xf
  99 #define RTL8366RB_PORT_VLAN_CTRL_SHIFT(_p)      (4 * ((_p) % 4))
 100
 101
 102 #define RTL8366RB_VLAN_TABLE_READ_BASE          0x018C
 103 #define RTL8366RB_VLAN_TABLE_WRITE_BASE         0x0185
 104
 105
 106 #define RTL8366RB_TABLE_ACCESS_CTRL_REG         0x0180
 107 #define RTL8366RB_TABLE_VLAN_READ_CTRL          0x0E01
 108 #define RTL8366RB_TABLE_VLAN_WRITE_CTRL         0x0F01
 109
 110 #define RTL8366RB_VLAN_MC_BASE(_x)              (0x0020 + (_x) * 3)
 111
 112
 113 #define RTL8366RB_PORT_LINK_STATUS_BASE         0x0014
 114 #define RTL8366RB_PORT_STATUS_SPEED_MASK        0x0003
 115 #define RTL8366RB_PORT_STATUS_DUPLEX_MASK       0x0004
 116 #define RTL8366RB_PORT_STATUS_LINK_MASK         0x0010
 117 #define RTL8366RB_PORT_STATUS_TXPAUSE_MASK      0x0020
 118 #define RTL8366RB_PORT_STATUS_RXPAUSE_MASK      0x0040
 119 #define RTL8366RB_PORT_STATUS_AN_MASK           0x0080
 120
 121
 122 #define RTL8366RB_PORT_NUM_CPU          5
 123 #define RTL8366RB_NUM_PORTS             6
 124 #define RTL8366RB_NUM_VLANS             16
 125 #define RTL8366RB_NUM_LEDGROUPS         4
 126 #define RTL8366RB_NUM_VIDS              4096
 127 #define RTL8366RB_PRIORITYMAX           7
 128 #define RTL8366RB_FIDMAX                7
 129
 130
 131 #define RTL8366RB_PORT_1                (1 << 0) /* In userspace port 0 */
 132 #define RTL8366RB_PORT_2                (1 << 1) /* In userspace port 1 */
 133 #define RTL8366RB_PORT_3                (1 << 2) /* In userspace port 2 */
 134 #define RTL8366RB_PORT_4                (1 << 3) /* In userspace port 3 */
 135 #define RTL8366RB_PORT_5                (1 << 4) /* In userspace port 4 */
 136
 137 #define RTL8366RB_PORT_CPU              (1 << 5) /* CPU port */
 138
 139 #define RTL8366RB_PORT_ALL              (RTL8366RB_PORT_1 |     \
 140                                          RTL8366RB_PORT_2 |     \
 141                                          RTL8366RB_PORT_3 |     \
 142                                          RTL8366RB_PORT_4 |     \
 143                                          RTL8366RB_PORT_5 |     \
 144                                          RTL8366RB_PORT_CPU)
 145
 146 #define RTL8366RB_PORT_ALL_BUT_CPU      (RTL8366RB_PORT_1 |     \
 147                                          RTL8366RB_PORT_2 |     \
 148                                          RTL8366RB_PORT_3 |     \
 149                                          RTL8366RB_PORT_4 |     \
 150                                          RTL8366RB_PORT_5)
 151
 152 #define RTL8366RB_PORT_ALL_EXTERNAL     (RTL8366RB_PORT_1 |     \
 153                                          RTL8366RB_PORT_2 |     \
 154                                          RTL8366RB_PORT_3 |     \
 155                                          RTL8366RB_PORT_4)
 156
 157 #define RTL8366RB_PORT_ALL_INTERNAL      RTL8366RB_PORT_CPU
 158
 159 #define RTL8366RB_VLAN_VID_MASK         0xfff
 160 #define RTL8366RB_VLAN_PRIORITY_SHIFT   12
 161 #define RTL8366RB_VLAN_PRIORITY_MASK    0x7
 162 #define RTL8366RB_VLAN_UNTAG_SHIFT      8
 163 #define RTL8366RB_VLAN_UNTAG_MASK       0xff
 164 #define RTL8366RB_VLAN_MEMBER_MASK      0xff
 165 #define RTL8366RB_VLAN_FID_MASK         0x7
 166
 167
 168 /* Port ingress bandwidth control */
 169 #define RTL8366RB_IB_BASE               0x0200
 170 #define RTL8366RB_IB_REG(pnum)          (RTL8366RB_IB_BASE + pnum)
 171 #define RTL8366RB_IB_BDTH_MASK          0x3fff
 172 #define RTL8366RB_IB_PREIFG_OFFSET      14
 173 #define RTL8366RB_IB_PREIFG_MASK        (1 << RTL8366RB_IB_PREIFG_OFFSET)
 174
 175 /* Port egress bandwidth control */
 176 #define RTL8366RB_EB_BASE               0x02d1
 177 #define RTL8366RB_EB_REG(pnum)          (RTL8366RB_EB_BASE + pnum)
 178 #define RTL8366RB_EB_BDTH_MASK          0x3fff
 179 #define RTL8366RB_EB_PREIFG_REG 0x02f8
 180 #define RTL8366RB_EB_PREIFG_OFFSET      9
 181 #define RTL8366RB_EB_PREIFG_MASK        (1 << RTL8366RB_EB_PREIFG_OFFSET)
 182
 183 #define RTL8366RB_BDTH_SW_MAX           1048512
 184 #define RTL8366RB_BDTH_UNIT             64
 185 #define RTL8366RB_BDTH_REG_DEFAULT      16383
 186
 187 /* QOS */
 188 #define RTL8366RB_QOS_BIT               15
 189 #define RTL8366RB_QOS_MASK              (1 << RTL8366RB_QOS_BIT)
 190 /* Include/Exclude Preamble and IFG (20 bytes). 0:Exclude, 1:Include. */
 191 #define RTL8366RB_QOS_DEFAULT_PREIFG    1
 192
 193
 194 static struct rtl8366_mib_counter rtl8366rb_mib_counters[] = {
 195         { 0,  0, 4, "IfInOctets"                                },
 196         { 0,  4, 4, "EtherStatsOctets"                          },
 197         { 0,  8, 2, "EtherStatsUnderSizePkts"                   },
 198         { 0, 10, 2, "EtherFragments"                            },
 199         { 0, 12, 2, "EtherStatsPkts64Octets"                    },
 200         { 0, 14, 2, "EtherStatsPkts65to127Octets"               },
 201         { 0, 16, 2, "EtherStatsPkts128to255Octets"              },
 202         { 0, 18, 2, "EtherStatsPkts256to511Octets"              },
 203         { 0, 20, 2, "EtherStatsPkts512to1023Octets"             },
 204         { 0, 22, 2, "EtherStatsPkts1024to1518Octets"            },
 205         { 0, 24, 2, "EtherOversizeStats"                        },
 206         { 0, 26, 2, "EtherStatsJabbers"                         },
 207         { 0, 28, 2, "IfInUcastPkts"                             },
 208         { 0, 30, 2, "EtherStatsMulticastPkts"                   },
 209         { 0, 32, 2, "EtherStatsBroadcastPkts"                   },
 210         { 0, 34, 2, "EtherStatsDropEvents"                      },
 211         { 0, 36, 2, "Dot3StatsFCSErrors"                        },
 212         { 0, 38, 2, "Dot3StatsSymbolErrors"                     },
 213         { 0, 40, 2, "Dot3InPauseFrames"                         },
 214         { 0, 42, 2, "Dot3ControlInUnknownOpcodes"               },
 215         { 0, 44, 4, "IfOutOctets"                               },
 216         { 0, 48, 2, "Dot3StatsSingleCollisionFrames"            },
 217         { 0, 50, 2, "Dot3StatMultipleCollisionFrames"           },
 218         { 0, 52, 2, "Dot3sDeferredTransmissions"                },
 219         { 0, 54, 2, "Dot3StatsLateCollisions"                   },
 220         { 0, 56, 2, "EtherStatsCollisions"                      },
 221         { 0, 58, 2, "Dot3StatsExcessiveCollisions"              },
 222         { 0, 60, 2, "Dot3OutPauseFrames"                        },
 223         { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards"        },
 224         { 0, 64, 2, "Dot1dTpPortInDiscards"                     },
 225         { 0, 66, 2, "IfOutUcastPkts"                            },
 226         { 0, 68, 2, "IfOutMulticastPkts"                        },
 227         { 0, 70, 2, "IfOutBroadcastPkts"                        },
 228 };
 229
 230 #define REG_WR(_smi, _reg, _val)                                        \
 231         do {                                                            \
 232                 err = rtl8366_smi_write_reg(_smi, _reg, _val);          \
 233                 if (err)                                                \
 234                         return err;                                     \
 235         } while (0)
 236
 237 #define REG_RMW(_smi, _reg, _mask, _val)                                \
 238         do {                                                            \
 239                 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val);        \
 240                 if (err)                                                \
 241                         return err;                                     \
 242         } while (0)
 243
 244 static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
 245 {
 246         int timeout = 10;
 247         u32 data;
 248
 249         rtl8366_smi_write_reg_noack(smi, RTL8366RB_RESET_CTRL_REG,
 250                                     RTL8366RB_CHIP_CTRL_RESET_HW);
 251         do {
 252                 msleep(1);
 253                 if (rtl8366_smi_read_reg(smi, RTL8366RB_RESET_CTRL_REG, &data))
 254                         return -EIO;
 255
 256                 if (!(data & RTL8366RB_CHIP_CTRL_RESET_HW))
 257                         break;
 258         } while (--timeout);
 259
 260         if (!timeout) {
 261                 printk("Timeout waiting for the switch to reset\n");
 262                 return -EIO;
 263         }
 264
 265         return 0;
 266 }
 267
 268 static int rtl8366rb_setup(struct rtl8366_smi *smi)
 269 {
 270         int err;
 271
 272         /* set maximum packet length to 1536 bytes */
 273         REG_RMW(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_MAX_LENGTH_MASK,
 274                 RTL8366RB_SGCR_MAX_LENGTH_1536);
 275
 276         /* enable learning for all ports */
 277         REG_WR(smi, RTL8366RB_SSCR0, 0);
 278
 279         /* enable auto ageing for all ports */
 280         REG_WR(smi, RTL8366RB_SSCR1, 0);
 281
 282         /*
 283          * discard VLAN tagged packets if the port is not a member of
 284          * the VLAN with which the packets is associated.
 285          */
 286         REG_WR(smi, RTL8366RB_VLAN_INGRESS_CTRL2_REG, RTL8366RB_PORT_ALL);
 287
 288         /* don't drop packets whose DA has not been learned */
 289         REG_RMW(smi, RTL8366RB_SSCR2, RTL8366RB_SSCR2_DROP_UNKNOWN_DA, 0);
 290
 291         return 0;
 292 }
 293
 294 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
 295                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 296 {
 297         u32 reg;
 298         int ret;
 299
 300         if (phy_no > RTL8366RB_PHY_NO_MAX)
 301                 return -EINVAL;
 302
 303         if (page > RTL8366RB_PHY_PAGE_MAX)
 304                 return -EINVAL;
 305
 306         if (addr > RTL8366RB_PHY_ADDR_MAX)
 307                 return -EINVAL;
 308
 309         ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
 310                                     RTL8366RB_PHY_CTRL_READ);
 311         if (ret)
 312                 return ret;
 313
 314         reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
 315               ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
 316               (addr & RTL8366RB_PHY_REG_MASK);
 317
 318         ret = rtl8366_smi_write_reg(smi, reg, 0);
 319         if (ret)
 320                 return ret;
 321
 322         ret = rtl8366_smi_read_reg(smi, RTL8366RB_PHY_ACCESS_DATA_REG, data);
 323         if (ret)
 324                 return ret;
 325
 326         return 0;
 327 }
 328
 329 static int rtl8366rb_write_phy_reg(struct rtl8366_smi *smi,
 330                                   u32 phy_no, u32 page, u32 addr, u32 data)
 331 {
 332         u32 reg;
 333         int ret;
 334
 335         if (phy_no > RTL8366RB_PHY_NO_MAX)
 336                 return -EINVAL;
 337
 338         if (page > RTL8366RB_PHY_PAGE_MAX)
 339                 return -EINVAL;
 340
 341         if (addr > RTL8366RB_PHY_ADDR_MAX)
 342                 return -EINVAL;
 343
 344         ret = rtl8366_smi_write_reg(smi, RTL8366RB_PHY_ACCESS_CTRL_REG,
 345                                     RTL8366RB_PHY_CTRL_WRITE);
 346         if (ret)
 347                 return ret;
 348
 349         reg = 0x8000 | (1 << (phy_no + RTL8366RB_PHY_NO_OFFSET)) |
 350               ((page << RTL8366RB_PHY_PAGE_OFFSET) & RTL8366RB_PHY_PAGE_MASK) |
 351               (addr & RTL8366RB_PHY_REG_MASK);
 352
 353         ret = rtl8366_smi_write_reg(smi, reg, data);
 354         if (ret)
 355                 return ret;
 356
 357         return 0;
 358 }
 359
 360 static int rtl8366rb_get_mib_counter(struct rtl8366_smi *smi, int counter,
 361                                      int port, unsigned long long *val)
 362 {
 363         int i;
 364         int err;
 365         u32 addr, data;
 366         u64 mibvalue;
 367
 368         if (port > RTL8366RB_NUM_PORTS || counter >= RTL8366RB_MIB_COUNT)
 369                 return -EINVAL;
 370
 371         addr = RTL8366RB_MIB_COUNTER_BASE +
 372                RTL8366RB_MIB_COUNTER_PORT_OFFSET * (port) +
 373                rtl8366rb_mib_counters[counter].offset;
 374
 375         /*
 376          * Writing access counter address first
 377          * then ASIC will prepare 64bits counter wait for being retrived
 378          */
 379         data = 0; /* writing data will be discard by ASIC */
 380         err = rtl8366_smi_write_reg(smi, addr, data);
 381         if (err)
 382                 return err;
 383
 384         /* read MIB control register */
 385         err =  rtl8366_smi_read_reg(smi, RTL8366RB_MIB_CTRL_REG, &data);
 386         if (err)
 387                 return err;
 388
 389         if (data & RTL8366RB_MIB_CTRL_BUSY_MASK)
 390                 return -EBUSY;
 391
 392         if (data & RTL8366RB_MIB_CTRL_RESET_MASK)
 393                 return -EIO;
 394
 395         mibvalue = 0;
 396         for (i = rtl8366rb_mib_counters[counter].length; i > 0; i--) {
 397                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 398                 if (err)
 399                         return err;
 400
 401                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 402         }
 403
 404         *val = mibvalue;
 405         return 0;
 406 }
 407
 408 static int rtl8366rb_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 409                                  struct rtl8366_vlan_4k *vlan4k)
 410 {
 411         u32 data[3];
 412         int err;
 413         int i;
 414
 415         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 416
 417         if (vid >= RTL8366RB_NUM_VIDS)
 418                 return -EINVAL;
 419
 420         /* write VID */
 421         err = rtl8366_smi_write_reg(smi, RTL8366RB_VLAN_TABLE_WRITE_BASE,
 422                                     vid & RTL8366RB_VLAN_VID_MASK);
 423         if (err)
 424                 return err;
 425
 426         /* write table access control word */
 427         err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
 428                                     RTL8366RB_TABLE_VLAN_READ_CTRL);
 429         if (err)
 430                 return err;
 431
 432         for (i = 0; i < 3; i++) {
 433                 err = rtl8366_smi_read_reg(smi,
 434                                            RTL8366RB_VLAN_TABLE_READ_BASE + i,
 435                                            &data[i]);
 436                 if (err)
 437                         return err;
 438         }
 439
 440         vlan4k->vid = vid;
 441         vlan4k->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
 442                         RTL8366RB_VLAN_UNTAG_MASK;
 443         vlan4k->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
 444         vlan4k->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
 445
 446         return 0;
 447 }
 448
 449 static int rtl8366rb_set_vlan_4k(struct rtl8366_smi *smi,
 450                                  const struct rtl8366_vlan_4k *vlan4k)
 451 {
 452         u32 data[3];
 453         int err;
 454         int i;
 455
 456         if (vlan4k->vid >= RTL8366RB_NUM_VIDS ||
 457             vlan4k->member > RTL8366RB_VLAN_MEMBER_MASK ||
 458             vlan4k->untag > RTL8366RB_VLAN_UNTAG_MASK ||
 459             vlan4k->fid > RTL8366RB_FIDMAX)
 460                 return -EINVAL;
 461
 462         data[0] = vlan4k->vid & RTL8366RB_VLAN_VID_MASK;
 463         data[1] = (vlan4k->member & RTL8366RB_VLAN_MEMBER_MASK) |
 464                   ((vlan4k->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
 465                         RTL8366RB_VLAN_UNTAG_SHIFT);
 466         data[2] = vlan4k->fid & RTL8366RB_VLAN_FID_MASK;
 467
 468         for (i = 0; i < 3; i++) {
 469                 err = rtl8366_smi_write_reg(smi,
 470                                             RTL8366RB_VLAN_TABLE_WRITE_BASE + i,
 471                                             data[i]);
 472                 if (err)
 473                         return err;
 474         }
 475
 476         /* write table access control word */
 477         err = rtl8366_smi_write_reg(smi, RTL8366RB_TABLE_ACCESS_CTRL_REG,
 478                                     RTL8366RB_TABLE_VLAN_WRITE_CTRL);
 479
 480         return err;
 481 }
 482
 483 static int rtl8366rb_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 484                                  struct rtl8366_vlan_mc *vlanmc)
 485 {
 486         u32 data[3];
 487         int err;
 488         int i;
 489
 490         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 491
 492         if (index >= RTL8366RB_NUM_VLANS)
 493                 return -EINVAL;
 494
 495         for (i = 0; i < 3; i++) {
 496                 err = rtl8366_smi_read_reg(smi,
 497                                            RTL8366RB_VLAN_MC_BASE(index) + i,
 498                                            &data[i]);
 499                 if (err)
 500                         return err;
 501         }
 502
 503         vlanmc->vid = data[0] & RTL8366RB_VLAN_VID_MASK;
 504         vlanmc->priority = (data[0] >> RTL8366RB_VLAN_PRIORITY_SHIFT) &
 505                            RTL8366RB_VLAN_PRIORITY_MASK;
 506         vlanmc->untag = (data[1] >> RTL8366RB_VLAN_UNTAG_SHIFT) &
 507                         RTL8366RB_VLAN_UNTAG_MASK;
 508         vlanmc->member = data[1] & RTL8366RB_VLAN_MEMBER_MASK;
 509         vlanmc->fid = data[2] & RTL8366RB_VLAN_FID_MASK;
 510
 511         return 0;
 512 }
 513
 514 static int rtl8366rb_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
 515                                  const struct rtl8366_vlan_mc *vlanmc)
 516 {
 517         u32 data[3];
 518         int err;
 519         int i;
 520
 521         if (index >= RTL8366RB_NUM_VLANS ||
 522             vlanmc->vid >= RTL8366RB_NUM_VIDS ||
 523             vlanmc->priority > RTL8366RB_PRIORITYMAX ||
 524             vlanmc->member > RTL8366RB_VLAN_MEMBER_MASK ||
 525             vlanmc->untag > RTL8366RB_VLAN_UNTAG_MASK ||
 526             vlanmc->fid > RTL8366RB_FIDMAX)
 527                 return -EINVAL;
 528
 529         data[0] = (vlanmc->vid & RTL8366RB_VLAN_VID_MASK) |
 530                   ((vlanmc->priority & RTL8366RB_VLAN_PRIORITY_MASK) <<
 531                         RTL8366RB_VLAN_PRIORITY_SHIFT);
 532         data[1] = (vlanmc->member & RTL8366RB_VLAN_MEMBER_MASK) |
 533                   ((vlanmc->untag & RTL8366RB_VLAN_UNTAG_MASK) <<
 534                         RTL8366RB_VLAN_UNTAG_SHIFT);
 535         data[2] = vlanmc->fid & RTL8366RB_VLAN_FID_MASK;
 536
 537         for (i = 0; i < 3; i++) {
 538                 err = rtl8366_smi_write_reg(smi,
 539                                             RTL8366RB_VLAN_MC_BASE(index) + i,
 540                                             data[i]);
 541                 if (err)
 542                         return err;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int rtl8366rb_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
 549 {
 550         u32 data;
 551         int err;
 552
 553         if (port >= RTL8366RB_NUM_PORTS)
 554                 return -EINVAL;
 555
 556         err = rtl8366_smi_read_reg(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
 557                                    &data);
 558         if (err)
 559                 return err;
 560
 561         *val = (data >> RTL8366RB_PORT_VLAN_CTRL_SHIFT(port)) &
 562                RTL8366RB_PORT_VLAN_CTRL_MASK;
 563
 564         return 0;
 565
 566 }
 567
 568 static int rtl8366rb_set_mc_index(struct rtl8366_smi *smi, int port, int index)
 569 {
 570         if (port >= RTL8366RB_NUM_PORTS || index >= RTL8366RB_NUM_VLANS)
 571                 return -EINVAL;
 572
 573         return rtl8366_smi_rmwr(smi, RTL8366RB_PORT_VLAN_CTRL_REG(port),
 574                                 RTL8366RB_PORT_VLAN_CTRL_MASK <<
 575                                         RTL8366RB_PORT_VLAN_CTRL_SHIFT(port),
 576                                 (index & RTL8366RB_PORT_VLAN_CTRL_MASK) <<
 577                                         RTL8366RB_PORT_VLAN_CTRL_SHIFT(port));
 578 }
 579
 580 static int rtl8366rb_is_vlan_valid(struct rtl8366_smi *smi, unsigned vlan)
 581 {
 582         unsigned max = RTL8366RB_NUM_VLANS;
 583
 584         if (smi->vlan4k_enabled)
 585                 max = RTL8366RB_NUM_VIDS - 1;
 586
 587         if (vlan == 0 || vlan >= max)
 588                 return 0;
 589
 590         return 1;
 591 }
 592
 593 static int rtl8366rb_enable_vlan(struct rtl8366_smi *smi, int enable)
 594 {
 595         return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_SGCR_EN_VLAN,
 596                                 (enable) ? RTL8366RB_SGCR_EN_VLAN : 0);
 597 }
 598
 599 static int rtl8366rb_enable_vlan4k(struct rtl8366_smi *smi, int enable)
 600 {
 601         return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR,
 602                                 RTL8366RB_SGCR_EN_VLAN_4KTB,
 603                                 (enable) ? RTL8366RB_SGCR_EN_VLAN_4KTB : 0);
 604 }
 605
 606 static int rtl8366rb_enable_port(struct rtl8366_smi *smi, int port, int enable)
 607 {
 608         return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, (1 << port),
 609                                 (enable) ? 0 : (1 << port));
 610 }
 611
 612 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
 613                                   const struct switch_attr *attr,
 614                                   struct switch_val *val)
 615 {
 616         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 617
 618         return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
 619                                 RTL8366RB_MIB_CTRL_GLOBAL_RESET);
 620 }
 621
 622 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
 623                                      const struct switch_attr *attr,
 624                                      struct switch_val *val)
 625 {
 626         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 627         u32 data;
 628
 629         rtl8366_smi_read_reg(smi, RTL8366RB_LED_BLINKRATE_REG, &data);
 630
 631         val->value.i = (data & (RTL8366RB_LED_BLINKRATE_MASK));
 632
 633         return 0;
 634 }
 635
 636 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
 637                                     const struct switch_attr *attr,
 638                                     struct switch_val *val)
 639 {
 640         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 641
 642         if (val->value.i >= 6)
 643                 return -EINVAL;
 644
 645         return rtl8366_smi_rmwr(smi, RTL8366RB_LED_BLINKRATE_REG,
 646                                 RTL8366RB_LED_BLINKRATE_MASK,
 647                                 val->value.i);
 648 }
 649
 650 static int rtl8366rb_sw_get_learning_enable(struct switch_dev *dev,
 651                                        const struct switch_attr *attr,
 652                                        struct switch_val *val)
 653 {
 654         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 655         u32 data;
 656
 657         rtl8366_smi_read_reg(smi, RTL8366RB_SSCR0, &data);
 658         val->value.i = !data;
 659
 660         return 0;
 661 }
 662
 663
 664 static int rtl8366rb_sw_set_learning_enable(struct switch_dev *dev,
 665                                        const struct switch_attr *attr,
 666                                        struct switch_val *val)
 667 {
 668         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 669         u32 portmask = 0;
 670         int err = 0;
 671
 672         if (!val->value.i)
 673                 portmask = RTL8366RB_PORT_ALL;
 674
 675         /* set learning for all ports */
 676         REG_WR(smi, RTL8366RB_SSCR0, portmask);
 677
 678         /* set auto ageing for all ports */
 679         REG_WR(smi, RTL8366RB_SSCR1, portmask);
 680
 681         return 0;
 682 }
 683
 684 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
 685                                      int port,
 686                                      struct switch_port_link *link)
 687 {
 688         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 689         u32 data = 0;
 690         u32 speed;
 691
 692         if (port >= RTL8366RB_NUM_PORTS)
 693                 return -EINVAL;
 694
 695         rtl8366_smi_read_reg(smi, RTL8366RB_PORT_LINK_STATUS_BASE + (port / 2),
 696                              &data);
 697
 698         if (port % 2)
 699                 data = data >> 8;
 700
 701         link->link = !!(data & RTL8366RB_PORT_STATUS_LINK_MASK);
 702         if (!link->link)
 703                 return 0;
 704
 705         link->duplex = !!(data & RTL8366RB_PORT_STATUS_DUPLEX_MASK);
 706         link->rx_flow = !!(data & RTL8366RB_PORT_STATUS_RXPAUSE_MASK);
 707         link->tx_flow = !!(data & RTL8366RB_PORT_STATUS_TXPAUSE_MASK);
 708         link->aneg = !!(data & RTL8366RB_PORT_STATUS_AN_MASK);
 709
 710         speed = (data & RTL8366RB_PORT_STATUS_SPEED_MASK);
 711         switch (speed) {
 712         case 0:
 713                 link->speed = SWITCH_PORT_SPEED_10;
 714                 break;
 715         case 1:
 716                 link->speed = SWITCH_PORT_SPEED_100;
 717                 break;
 718         case 2:
 719                 link->speed = SWITCH_PORT_SPEED_1000;
 720                 break;
 721         default:
 722                 link->speed = SWITCH_PORT_SPEED_UNKNOWN;
 723                 break;
 724         }
 725
 726         return 0;
 727 }
 728
 729 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
 730                                     const struct switch_attr *attr,
 731                                     struct switch_val *val)
 732 {
 733         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 734         u32 data;
 735         u32 mask;
 736         u32 reg;
 737
 738         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 739                 return -EINVAL;
 740
 741         if (val->port_vlan == RTL8366RB_PORT_NUM_CPU) {
 742                 reg = RTL8366RB_LED_BLINKRATE_REG;
 743                 mask = 0xF << 4;
 744                 data = val->value.i << 4;
 745         } else {
 746                 reg = RTL8366RB_LED_CTRL_REG;
 747                 mask = 0xF << (val->port_vlan * 4),
 748                 data = val->value.i << (val->port_vlan * 4);
 749         }
 750
 751         return rtl8366_smi_rmwr(smi, reg, mask, data);
 752 }
 753
 754 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
 755                                     const struct switch_attr *attr,
 756                                     struct switch_val *val)
 757 {
 758         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 759         u32 data = 0;
 760
 761         if (val->port_vlan >= RTL8366RB_NUM_LEDGROUPS)
 762                 return -EINVAL;
 763
 764         rtl8366_smi_read_reg(smi, RTL8366RB_LED_CTRL_REG, &data);
 765         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
 766
 767         return 0;
 768 }
 769
 770 static int rtl8366rb_sw_set_port_disable(struct switch_dev *dev,
 771                                     const struct switch_attr *attr,
 772                                     struct switch_val *val)
 773 {
 774         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 775         u32 mask, data;
 776
 777         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 778                 return -EINVAL;
 779
 780         mask = 1 << val->port_vlan ;
 781         if (val->value.i)
 782                 data = mask;
 783         else
 784                 data = 0;
 785
 786         return rtl8366_smi_rmwr(smi, RTL8366RB_PECR, mask, data);
 787 }
 788
 789 static int rtl8366rb_sw_get_port_disable(struct switch_dev *dev,
 790                                     const struct switch_attr *attr,
 791                                     struct switch_val *val)
 792 {
 793         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 794         u32 data;
 795
 796         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 797                 return -EINVAL;
 798
 799         rtl8366_smi_read_reg(smi, RTL8366RB_PECR, &data);
 800         if (data & (1 << val->port_vlan))
 801                 val->value.i = 1;
 802         else
 803                 val->value.i = 0;
 804
 805         return 0;
 806 }
 807
 808 static int rtl8366rb_sw_set_port_rate_in(struct switch_dev *dev,
 809                                     const struct switch_attr *attr,
 810                                     struct switch_val *val)
 811 {
 812         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 813
 814         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 815                 return -EINVAL;
 816
 817         if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
 818                 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
 819         else
 820                 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
 821
 822         return rtl8366_smi_rmwr(smi, RTL8366RB_IB_REG(val->port_vlan),
 823                 RTL8366RB_IB_BDTH_MASK | RTL8366RB_IB_PREIFG_MASK,
 824                 val->value.i |
 825                 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_IB_PREIFG_OFFSET));
 826
 827 }
 828
 829 static int rtl8366rb_sw_get_port_rate_in(struct switch_dev *dev,
 830                                     const struct switch_attr *attr,
 831                                     struct switch_val *val)
 832 {
 833         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 834         u32 data;
 835
 836         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 837                 return -EINVAL;
 838
 839         rtl8366_smi_read_reg(smi, RTL8366RB_IB_REG(val->port_vlan), &data);
 840         data &= RTL8366RB_IB_BDTH_MASK;
 841         if (data < RTL8366RB_IB_BDTH_MASK)
 842                 data += 1;
 843
 844         val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
 845
 846         return 0;
 847 }
 848
 849 static int rtl8366rb_sw_set_port_rate_out(struct switch_dev *dev,
 850                                     const struct switch_attr *attr,
 851                                     struct switch_val *val)
 852 {
 853         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 854
 855         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 856                 return -EINVAL;
 857
 858         rtl8366_smi_rmwr(smi, RTL8366RB_EB_PREIFG_REG,
 859                 RTL8366RB_EB_PREIFG_MASK,
 860                 (RTL8366RB_QOS_DEFAULT_PREIFG << RTL8366RB_EB_PREIFG_OFFSET));
 861
 862         if (val->value.i > 0 && val->value.i < RTL8366RB_BDTH_SW_MAX)
 863                 val->value.i = (val->value.i - 1) / RTL8366RB_BDTH_UNIT;
 864         else
 865                 val->value.i = RTL8366RB_BDTH_REG_DEFAULT;
 866
 867         return rtl8366_smi_rmwr(smi, RTL8366RB_EB_REG(val->port_vlan),
 868                         RTL8366RB_EB_BDTH_MASK, val->value.i );
 869
 870 }
 871
 872 static int rtl8366rb_sw_get_port_rate_out(struct switch_dev *dev,
 873                                     const struct switch_attr *attr,
 874                                     struct switch_val *val)
 875 {
 876         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 877         u32 data;
 878
 879         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 880                 return -EINVAL;
 881
 882         rtl8366_smi_read_reg(smi, RTL8366RB_EB_REG(val->port_vlan), &data);
 883         data &= RTL8366RB_EB_BDTH_MASK;
 884         if (data < RTL8366RB_EB_BDTH_MASK)
 885                 data += 1;
 886
 887         val->value.i = (int)data * RTL8366RB_BDTH_UNIT;
 888
 889         return 0;
 890 }
 891
 892 static int rtl8366rb_sw_set_qos_enable(struct switch_dev *dev,
 893                                     const struct switch_attr *attr,
 894                                     struct switch_val *val)
 895 {
 896         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 897         u32 data;
 898
 899         if (val->value.i)
 900                 data = RTL8366RB_QOS_MASK;
 901         else
 902                 data = 0;
 903
 904         return rtl8366_smi_rmwr(smi, RTL8366RB_SGCR, RTL8366RB_QOS_MASK, data);
 905 }
 906
 907 static int rtl8366rb_sw_get_qos_enable(struct switch_dev *dev,
 908                                     const struct switch_attr *attr,
 909                                     struct switch_val *val)
 910 {
 911         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 912         u32 data;
 913
 914         rtl8366_smi_read_reg(smi, RTL8366RB_SGCR, &data);
 915         if (data & RTL8366RB_QOS_MASK)
 916                 val->value.i = 1;
 917         else
 918                 val->value.i = 0;
 919
 920         return 0;
 921 }
 922
 923 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
 924                                        const struct switch_attr *attr,
 925                                        struct switch_val *val)
 926 {
 927         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 928
 929         if (val->port_vlan >= RTL8366RB_NUM_PORTS)
 930                 return -EINVAL;
 931
 932         return rtl8366_smi_rmwr(smi, RTL8366RB_MIB_CTRL_REG, 0,
 933                                 RTL8366RB_MIB_CTRL_PORT_RESET(val->port_vlan));
 934 }
 935
 936 static struct switch_attr rtl8366rb_globals[] = {
 937         {
 938                 .type = SWITCH_TYPE_INT,
 939                 .name = "enable_learning",
 940                 .description = "Enable learning, enable aging",
 941                 .set = rtl8366rb_sw_set_learning_enable,
 942                 .get = rtl8366rb_sw_get_learning_enable,
 943                 .max = 1
 944         }, {
 945                 .type = SWITCH_TYPE_INT,
 946                 .name = "enable_vlan",
 947                 .description = "Enable VLAN mode",
 948                 .set = rtl8366_sw_set_vlan_enable,
 949                 .get = rtl8366_sw_get_vlan_enable,
 950                 .max = 1,
 951                 .ofs = 1
 952         }, {
 953                 .type = SWITCH_TYPE_INT,
 954                 .name = "enable_vlan4k",
 955                 .description = "Enable VLAN 4K mode",
 956                 .set = rtl8366_sw_set_vlan_enable,
 957                 .get = rtl8366_sw_get_vlan_enable,
 958                 .max = 1,
 959                 .ofs = 2
 960         }, {
 961                 .type = SWITCH_TYPE_NOVAL,
 962                 .name = "reset_mibs",
 963                 .description = "Reset all MIB counters",
 964                 .set = rtl8366rb_sw_reset_mibs,
 965         }, {
 966                 .type = SWITCH_TYPE_INT,
 967                 .name = "blinkrate",
 968                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
 969                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
 970                 .set = rtl8366rb_sw_set_blinkrate,
 971                 .get = rtl8366rb_sw_get_blinkrate,
 972                 .max = 5
 973         }, {
 974                 .type = SWITCH_TYPE_INT,
 975                 .name = "enable_qos",
 976                 .description = "Enable QOS",
 977                 .set = rtl8366rb_sw_set_qos_enable,
 978                 .get = rtl8366rb_sw_get_qos_enable,
 979                 .max = 1
 980         },
 981 };
 982
 983 static struct switch_attr rtl8366rb_port[] = {
 984         {
 985                 .type = SWITCH_TYPE_NOVAL,
 986                 .name = "reset_mib",
 987                 .description = "Reset single port MIB counters",
 988                 .set = rtl8366rb_sw_reset_port_mibs,
 989         }, {
 990                 .type = SWITCH_TYPE_STRING,
 991                 .name = "mib",
 992                 .description = "Get MIB counters for port",
 993                 .max = 33,
 994                 .set = NULL,
 995                 .get = rtl8366_sw_get_port_mib,
 996         }, {
 997                 .type = SWITCH_TYPE_INT,
 998                 .name = "led",
 999                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1000                 .max = 15,
1001                 .set = rtl8366rb_sw_set_port_led,
1002                 .get = rtl8366rb_sw_get_port_led,
1003         }, {
1004                 .type = SWITCH_TYPE_INT,
1005                 .name = "disable",
1006                 .description = "Get/Set port state (enabled or disabled)",
1007                 .max = 1,
1008                 .set = rtl8366rb_sw_set_port_disable,
1009                 .get = rtl8366rb_sw_get_port_disable,
1010         }, {
1011                 .type = SWITCH_TYPE_INT,
1012                 .name = "rate_in",
1013                 .description = "Get/Set port ingress (incoming) bandwidth limit in kbps",
1014                 .max = RTL8366RB_BDTH_SW_MAX,
1015                 .set = rtl8366rb_sw_set_port_rate_in,
1016                 .get = rtl8366rb_sw_get_port_rate_in,
1017         }, {
1018                 .type = SWITCH_TYPE_INT,
1019                 .name = "rate_out",
1020                 .description = "Get/Set port egress (outgoing) bandwidth limit in kbps",
1021                 .max = RTL8366RB_BDTH_SW_MAX,
1022                 .set = rtl8366rb_sw_set_port_rate_out,
1023                 .get = rtl8366rb_sw_get_port_rate_out,
1024         },
1025 };
1026
1027 static struct switch_attr rtl8366rb_vlan[] = {
1028         {
1029                 .type = SWITCH_TYPE_STRING,
1030                 .name = "info",
1031                 .description = "Get vlan information",
1032                 .max = 1,
1033                 .set = NULL,
1034                 .get = rtl8366_sw_get_vlan_info,
1035         }, {
1036                 .type = SWITCH_TYPE_INT,
1037                 .name = "fid",
1038                 .description = "Get/Set vlan FID",
1039                 .max = RTL8366RB_FIDMAX,
1040                 .set = rtl8366_sw_set_vlan_fid,
1041                 .get = rtl8366_sw_get_vlan_fid,
1042         },
1043 };
1044
1045 static const struct switch_dev_ops rtl8366_ops = {
1046         .attr_global = {
1047                 .attr = rtl8366rb_globals,
1048                 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1049         },
1050         .attr_port = {
1051                 .attr = rtl8366rb_port,
1052                 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1053         },
1054         .attr_vlan = {
1055                 .attr = rtl8366rb_vlan,
1056                 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1057         },
1058
1059         .get_vlan_ports = rtl8366_sw_get_vlan_ports,
1060         .set_vlan_ports = rtl8366_sw_set_vlan_ports,
1061         .get_port_pvid = rtl8366_sw_get_port_pvid,
1062         .set_port_pvid = rtl8366_sw_set_port_pvid,
1063         .reset_switch = rtl8366_sw_reset_switch,
1064         .get_port_link = rtl8366rb_sw_get_port_link,
1065 };
1066
1067 static int rtl8366rb_switch_init(struct rtl8366_smi *smi)
1068 {
1069         struct switch_dev *dev = &smi->sw_dev;
1070         int err;
1071
1072         dev->name = "RTL8366RB";
1073         dev->cpu_port = RTL8366RB_PORT_NUM_CPU;
1074         dev->ports = RTL8366RB_NUM_PORTS;
1075         dev->vlans = RTL8366RB_NUM_VIDS;
1076         dev->ops = &rtl8366_ops;
1077         dev->alias = dev_name(smi->parent);
1078
1079         err = register_switch(dev, NULL);
1080         if (err)
1081                 dev_err(smi->parent, "switch registration failed\n");
1082
1083         return err;
1084 }
1085
1086 static void rtl8366rb_switch_cleanup(struct rtl8366_smi *smi)
1087 {
1088         unregister_switch(&smi->sw_dev);
1089 }
1090
1091 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1092 {
1093         struct rtl8366_smi *smi = bus->priv;
1094         u32 val = 0;
1095         int err;
1096
1097         err = rtl8366rb_read_phy_reg(smi, addr, 0, reg, &val);
1098         if (err)
1099                 return 0xffff;
1100
1101         return val;
1102 }
1103
1104 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1105 {
1106         struct rtl8366_smi *smi = bus->priv;
1107         u32 t;
1108         int err;
1109
1110         err = rtl8366rb_write_phy_reg(smi, addr, 0, reg, val);
1111         /* flush write */
1112         (void) rtl8366rb_read_phy_reg(smi, addr, 0, reg, &t);
1113
1114         return err;
1115 }
1116
1117 static int rtl8366rb_detect(struct rtl8366_smi *smi)
1118 {
1119         u32 chip_id = 0;
1120         u32 chip_ver = 0;
1121         int ret;
1122
1123         ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_ID_REG, &chip_id);
1124         if (ret) {
1125                 dev_err(smi->parent, "unable to read chip id\n");
1126                 return ret;
1127         }
1128
1129         switch (chip_id) {
1130         case RTL8366RB_CHIP_ID_8366:
1131                 break;
1132         default:
1133                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1134                 return -ENODEV;
1135         }
1136
1137         ret = rtl8366_smi_read_reg(smi, RTL8366RB_CHIP_VERSION_CTRL_REG,
1138                                    &chip_ver);
1139         if (ret) {
1140                 dev_err(smi->parent, "unable to read chip version\n");
1141                 return ret;
1142         }
1143
1144         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1145                  chip_id, chip_ver & RTL8366RB_CHIP_VERSION_MASK);
1146
1147         return 0;
1148 }
1149
1150 static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
1151         .detect         = rtl8366rb_detect,
1152         .reset_chip     = rtl8366rb_reset_chip,
1153         .setup          = rtl8366rb_setup,
1154
1155         .mii_read       = rtl8366rb_mii_read,
1156         .mii_write      = rtl8366rb_mii_write,
1157
1158         .get_vlan_mc    = rtl8366rb_get_vlan_mc,
1159         .set_vlan_mc    = rtl8366rb_set_vlan_mc,
1160         .get_vlan_4k    = rtl8366rb_get_vlan_4k,
1161         .set_vlan_4k    = rtl8366rb_set_vlan_4k,
1162         .get_mc_index   = rtl8366rb_get_mc_index,
1163         .set_mc_index   = rtl8366rb_set_mc_index,
1164         .get_mib_counter = rtl8366rb_get_mib_counter,
1165         .is_vlan_valid  = rtl8366rb_is_vlan_valid,
1166         .enable_vlan    = rtl8366rb_enable_vlan,
1167         .enable_vlan4k  = rtl8366rb_enable_vlan4k,
1168         .enable_port    = rtl8366rb_enable_port,
1169 };
1170
1171 static int __devinit rtl8366rb_probe(struct platform_device *pdev)
1172 {
1173         static int rtl8366_smi_version_printed;
1174         struct rtl8366_platform_data *pdata;
1175         struct rtl8366_smi *smi;
1176         int err;
1177
1178         if (!rtl8366_smi_version_printed++)
1179                 printk(KERN_NOTICE RTL8366RB_DRIVER_DESC
1180                        " version " RTL8366RB_DRIVER_VER"\n");
1181
1182         pdata = pdev->dev.platform_data;
1183         if (!pdata) {
1184                 dev_err(&pdev->dev, "no platform data specified\n");
1185                 err = -EINVAL;
1186                 goto err_out;
1187         }
1188
1189         smi = rtl8366_smi_alloc(&pdev->dev);
1190         if (!smi) {
1191                 err = -ENOMEM;
1192                 goto err_out;
1193         }
1194
1195         smi->gpio_sda = pdata->gpio_sda;
1196         smi->gpio_sck = pdata->gpio_sck;
1197         smi->clk_delay = 10;
1198         smi->cmd_read = 0xa9;
1199         smi->cmd_write = 0xa8;
1200         smi->ops = &rtl8366rb_smi_ops;
1201         smi->cpu_port = RTL8366RB_PORT_NUM_CPU;
1202         smi->num_ports = RTL8366RB_NUM_PORTS;
1203         smi->num_vlan_mc = RTL8366RB_NUM_VLANS;
1204         smi->mib_counters = rtl8366rb_mib_counters;
1205         smi->num_mib_counters = ARRAY_SIZE(rtl8366rb_mib_counters);
1206
1207         err = rtl8366_smi_init(smi);
1208         if (err)
1209                 goto err_free_smi;
1210
1211         platform_set_drvdata(pdev, smi);
1212
1213         err = rtl8366rb_switch_init(smi);
1214         if (err)
1215                 goto err_clear_drvdata;
1216
1217         return 0;
1218
1219  err_clear_drvdata:
1220         platform_set_drvdata(pdev, NULL);
1221         rtl8366_smi_cleanup(smi);
1222  err_free_smi:
1223         kfree(smi);
1224  err_out:
1225         return err;
1226 }
1227
1228 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1229 {
1230         struct rtl8366_smi *smi = platform_get_drvdata(pdev);
1231
1232         if (smi) {
1233                 rtl8366rb_switch_cleanup(smi);
1234                 platform_set_drvdata(pdev, NULL);
1235                 rtl8366_smi_cleanup(smi);
1236                 kfree(smi);
1237         }
1238
1239         return 0;
1240 }
1241
1242 static struct platform_driver rtl8366rb_driver = {
1243         .driver = {
1244                 .name           = RTL8366RB_DRIVER_NAME,
1245                 .owner          = THIS_MODULE,
1246         },
1247         .probe          = rtl8366rb_probe,
1248         .remove         = __devexit_p(rtl8366rb_remove),
1249 };
1250
1251 static int __init rtl8366rb_module_init(void)
1252 {
1253         return platform_driver_register(&rtl8366rb_driver);
1254 }
1255 module_init(rtl8366rb_module_init);
1256
1257 static void __exit rtl8366rb_module_exit(void)
1258 {
1259         platform_driver_unregister(&rtl8366rb_driver);
1260 }
1261 module_exit(rtl8366rb_module_exit);
1262
1263 MODULE_DESCRIPTION(RTL8366RB_DRIVER_DESC);
1264 MODULE_VERSION(RTL8366RB_DRIVER_VER);
1265 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1266 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1267 MODULE_AUTHOR("Roman Yeryomin <roman@advem.lv>");
1268 MODULE_LICENSE("GPL v2");
1269 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);