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

   1 /*
   2  * Platform driver for the Realtek RTL8366S ethernet switch
   3  *
   4  * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published
   9  * by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/switch.h>
  19 #include <linux/rtl8366s.h>
  20
  21 #include "rtl8366_smi.h"
  22
  23 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
  24 #include <linux/debugfs.h>
  25 #endif
  26
  27 #define RTL8366S_DRIVER_DESC    "Realtek RTL8366S ethernet switch driver"
  28 #define RTL8366S_DRIVER_VER     "0.2.2"
  29
  30 #define RTL8366S_PHY_NO_MAX                 4
  31 #define RTL8366S_PHY_PAGE_MAX               7
  32 #define RTL8366S_PHY_ADDR_MAX               31
  33
  34 #define RTL8366_CHIP_GLOBAL_CTRL_REG        0x0000
  35 #define RTL8366_CHIP_CTRL_VLAN              (1 << 13)
  36
  37 #define RTL8366_RESET_CTRL_REG              0x0100
  38 #define RTL8366_CHIP_CTRL_RESET_HW          1
  39 #define RTL8366_CHIP_CTRL_RESET_SW          (1 << 1)
  40
  41 #define RTL8366S_CHIP_VERSION_CTRL_REG      0x0104
  42 #define RTL8366S_CHIP_VERSION_MASK          0xf
  43 #define RTL8366S_CHIP_ID_REG                0x0105
  44 #define RTL8366S_CHIP_ID_8366               0x8366
  45
  46 /* PHY registers control */
  47 #define RTL8366S_PHY_ACCESS_CTRL_REG        0x8028
  48 #define RTL8366S_PHY_ACCESS_DATA_REG        0x8029
  49
  50 #define RTL8366S_PHY_CTRL_READ              1
  51 #define RTL8366S_PHY_CTRL_WRITE             0
  52
  53 #define RTL8366S_PHY_REG_MASK               0x1f
  54 #define RTL8366S_PHY_PAGE_OFFSET            5
  55 #define RTL8366S_PHY_PAGE_MASK              (0x7 << 5)
  56 #define RTL8366S_PHY_NO_OFFSET              9
  57 #define RTL8366S_PHY_NO_MASK                (0x1f << 9)
  58
  59 /* LED control registers */
  60 #define RTL8366_LED_BLINKRATE_REG           0x0420
  61 #define RTL8366_LED_BLINKRATE_BIT           0
  62 #define RTL8366_LED_BLINKRATE_MASK          0x0007
  63
  64 #define RTL8366_LED_CTRL_REG                0x0421
  65 #define RTL8366_LED_0_1_CTRL_REG            0x0422
  66 #define RTL8366_LED_2_3_CTRL_REG            0x0423
  67
  68 #define RTL8366S_MIB_COUNT                  33
  69 #define RTL8366S_GLOBAL_MIB_COUNT           1
  70 #define RTL8366S_MIB_COUNTER_PORT_OFFSET    0x0040
  71 #define RTL8366S_MIB_COUNTER_BASE           0x1000
  72 #define RTL8366S_MIB_CTRL_REG               0x11F0
  73 #define RTL8366S_MIB_CTRL_USER_MASK         0x01FF
  74 #define RTL8366S_MIB_CTRL_BUSY_MASK         0x0001
  75 #define RTL8366S_MIB_CTRL_RESET_MASK        0x0002
  76
  77 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
  78 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT    0x0003
  79 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK   0x01FC
  80
  81
  82 #define RTL8366S_PORT_VLAN_CTRL_BASE        0x0058
  83 #define RTL8366S_PORT_VLAN_CTRL_REG(_p)  \
  84                 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
  85 #define RTL8366S_PORT_VLAN_CTRL_MASK        0xf
  86 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p)   (4 * ((_p) % 4))
  87
  88
  89 #define RTL8366S_VLAN_TABLE_READ_BASE       0x018B
  90 #define RTL8366S_VLAN_TABLE_WRITE_BASE      0x0185
  91
  92 #define RTL8366S_VLAN_TB_CTRL_REG           0x010F
  93
  94 #define RTL8366S_TABLE_ACCESS_CTRL_REG      0x0180
  95 #define RTL8366S_TABLE_VLAN_READ_CTRL       0x0E01
  96 #define RTL8366S_TABLE_VLAN_WRITE_CTRL      0x0F01
  97
  98 #define RTL8366S_VLAN_MEMCONF_BASE          0x0016
  99
 100
 101 #define RTL8366S_PORT_LINK_STATUS_BASE      0x0060
 102 #define RTL8366S_PORT_STATUS_SPEED_MASK     0x0003
 103 #define RTL8366S_PORT_STATUS_DUPLEX_MASK    0x0004
 104 #define RTL8366S_PORT_STATUS_LINK_MASK      0x0010
 105 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK   0x0020
 106 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK   0x0040
 107 #define RTL8366S_PORT_STATUS_AN_MASK        0x0080
 108
 109
 110 #define RTL8366_PORT_NUM_CPU                5
 111 #define RTL8366_NUM_PORTS                   6
 112 #define RTL8366_NUM_VLANS                   16
 113 #define RTL8366_NUM_LEDGROUPS               4
 114 #define RTL8366_NUM_VIDS                    4096
 115 #define RTL8366S_PRIORITYMAX                7
 116 #define RTL8366S_FIDMAX                     7
 117
 118
 119 #define RTL8366_PORT_1                      (1 << 0) /* In userspace port 0 */
 120 #define RTL8366_PORT_2                      (1 << 1) /* In userspace port 1 */
 121 #define RTL8366_PORT_3                      (1 << 2) /* In userspace port 2 */
 122 #define RTL8366_PORT_4                      (1 << 3) /* In userspace port 3 */
 123
 124 #define RTL8366_PORT_UNKNOWN                (1 << 4) /* No known connection */
 125 #define RTL8366_PORT_CPU                    (1 << 5) /* CPU port */
 126
 127 #define RTL8366_PORT_ALL                    (RTL8366_PORT_1 |       \
 128                                              RTL8366_PORT_2 |       \
 129                                              RTL8366_PORT_3 |       \
 130                                              RTL8366_PORT_4 |       \
 131                                              RTL8366_PORT_UNKNOWN | \
 132                                              RTL8366_PORT_CPU)
 133
 134 #define RTL8366_PORT_ALL_BUT_CPU            (RTL8366_PORT_1 |       \
 135                                              RTL8366_PORT_2 |       \
 136                                              RTL8366_PORT_3 |       \
 137                                              RTL8366_PORT_4 |       \
 138                                              RTL8366_PORT_UNKNOWN)
 139
 140 #define RTL8366_PORT_ALL_EXTERNAL           (RTL8366_PORT_1 |       \
 141                                              RTL8366_PORT_2 |       \
 142                                              RTL8366_PORT_3 |       \
 143                                              RTL8366_PORT_4)
 144
 145 #define RTL8366_PORT_ALL_INTERNAL           (RTL8366_PORT_UNKNOWN | \
 146                                              RTL8366_PORT_CPU)
 147
 148 struct rtl8366s {
 149         struct device           *parent;
 150         struct rtl8366_smi      smi;
 151         struct switch_dev       dev;
 152         char                    buf[4096];
 153 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 154         struct dentry           *debugfs_root;
 155 #endif
 156 };
 157
 158 struct rtl8366s_vlan_mc {
 159         u16     reserved2:1;
 160         u16     priority:3;
 161         u16     vid:12;
 162
 163         u16     reserved1:1;
 164         u16     fid:3;
 165         u16     untag:6;
 166         u16     member:6;
 167 };
 168
 169 struct rtl8366s_vlan_4k {
 170         u16     reserved1:4;
 171         u16     vid:12;
 172
 173         u16     reserved2:1;
 174         u16     fid:3;
 175         u16     untag:6;
 176         u16     member:6;
 177 };
 178
 179 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 180 u16 g_dbg_reg;
 181 #endif
 182
 183 struct mib_counter {
 184         unsigned        offset;
 185         unsigned        length;
 186         const char      *name;
 187 };
 188
 189 static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = {
 190         {  0, 4, "IfInOctets"                           },
 191         {  4, 4, "EtherStatsOctets"                     },
 192         {  8, 2, "EtherStatsUnderSizePkts"              },
 193         { 10, 2, "EtherFragments"                       },
 194         { 12, 2, "EtherStatsPkts64Octets"               },
 195         { 14, 2, "EtherStatsPkts65to127Octets"          },
 196         { 16, 2, "EtherStatsPkts128to255Octets"         },
 197         { 18, 2, "EtherStatsPkts256to511Octets"         },
 198         { 20, 2, "EtherStatsPkts512to1023Octets"        },
 199         { 22, 2, "EtherStatsPkts1024to1518Octets"       },
 200         { 24, 2, "EtherOversizeStats"                   },
 201         { 26, 2, "EtherStatsJabbers"                    },
 202         { 28, 2, "IfInUcastPkts"                        },
 203         { 30, 2, "EtherStatsMulticastPkts"              },
 204         { 32, 2, "EtherStatsBroadcastPkts"              },
 205         { 34, 2, "EtherStatsDropEvents"                 },
 206         { 36, 2, "Dot3StatsFCSErrors"                   },
 207         { 38, 2, "Dot3StatsSymbolErrors"                },
 208         { 40, 2, "Dot3InPauseFrames"                    },
 209         { 42, 2, "Dot3ControlInUnknownOpcodes"          },
 210         { 44, 4, "IfOutOctets"                          },
 211         { 48, 2, "Dot3StatsSingleCollisionFrames"       },
 212         { 50, 2, "Dot3StatMultipleCollisionFrames"      },
 213         { 52, 2, "Dot3sDeferredTransmissions"           },
 214         { 54, 2, "Dot3StatsLateCollisions"              },
 215         { 56, 2, "EtherStatsCollisions"                 },
 216         { 58, 2, "Dot3StatsExcessiveCollisions"         },
 217         { 60, 2, "Dot3OutPauseFrames"                   },
 218         { 62, 2, "Dot1dBasePortDelayExceededDiscards"   },
 219         { 64, 2, "Dot1dTpPortInDiscards"                },
 220         { 66, 2, "IfOutUcastPkts"                       },
 221         { 68, 2, "IfOutMulticastPkts"                   },
 222         { 70, 2, "IfOutBroadcastPkts"                   },
 223 };
 224
 225 static inline struct rtl8366s *smi_to_rtl8366s(struct rtl8366_smi *smi)
 226 {
 227         return container_of(smi, struct rtl8366s, smi);
 228 }
 229
 230 static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw)
 231 {
 232         return container_of(sw, struct rtl8366s, dev);
 233 }
 234
 235 static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
 236 {
 237         struct rtl8366s *rtl = sw_to_rtl8366s(sw);
 238         return &rtl->smi;
 239 }
 240
 241 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
 242 {
 243         int timeout = 10;
 244         u32 data;
 245
 246         rtl8366_smi_write_reg(smi, RTL8366_RESET_CTRL_REG,
 247                               RTL8366_CHIP_CTRL_RESET_HW);
 248         do {
 249                 msleep(1);
 250                 if (rtl8366_smi_read_reg(smi, RTL8366_RESET_CTRL_REG, &data))
 251                         return -EIO;
 252
 253                 if (!(data & RTL8366_CHIP_CTRL_RESET_HW))
 254                         break;
 255         } while (--timeout);
 256
 257         if (!timeout) {
 258                 printk("Timeout waiting for the switch to reset\n");
 259                 return -EIO;
 260         }
 261
 262         return 0;
 263 }
 264
 265 static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
 266                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 267 {
 268         u32 reg;
 269         int ret;
 270
 271         if (phy_no > RTL8366S_PHY_NO_MAX)
 272                 return -EINVAL;
 273
 274         if (page > RTL8366S_PHY_PAGE_MAX)
 275                 return -EINVAL;
 276
 277         if (addr > RTL8366S_PHY_ADDR_MAX)
 278                 return -EINVAL;
 279
 280         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 281                                     RTL8366S_PHY_CTRL_READ);
 282         if (ret)
 283                 return ret;
 284
 285         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 286               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 287               (addr & RTL8366S_PHY_REG_MASK);
 288
 289         ret = rtl8366_smi_write_reg(smi, reg, 0);
 290         if (ret)
 291                 return ret;
 292
 293         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 294         if (ret)
 295                 return ret;
 296
 297         return 0;
 298 }
 299
 300 static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi,
 301                                   u32 phy_no, u32 page, u32 addr, u32 data)
 302 {
 303         u32 reg;
 304         int ret;
 305
 306         if (phy_no > RTL8366S_PHY_NO_MAX)
 307                 return -EINVAL;
 308
 309         if (page > RTL8366S_PHY_PAGE_MAX)
 310                 return -EINVAL;
 311
 312         if (addr > RTL8366S_PHY_ADDR_MAX)
 313                 return -EINVAL;
 314
 315         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 316                                     RTL8366S_PHY_CTRL_WRITE);
 317         if (ret)
 318                 return ret;
 319
 320         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 321               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 322               (addr & RTL8366S_PHY_REG_MASK);
 323
 324         ret = rtl8366_smi_write_reg(smi, reg, data);
 325         if (ret)
 326                 return ret;
 327
 328         return 0;
 329 }
 330
 331 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
 332                                    int port, unsigned long long *val)
 333 {
 334         int i;
 335         int err;
 336         u32 addr, data;
 337         u64 mibvalue;
 338
 339         if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
 340                 return -EINVAL;
 341
 342         addr = RTL8366S_MIB_COUNTER_BASE +
 343                RTL8366S_MIB_COUNTER_PORT_OFFSET * (port) +
 344                rtl8366s_mib_counters[counter].offset;
 345
 346         /*
 347          * Writing access counter address first
 348          * then ASIC will prepare 64bits counter wait for being retrived
 349          */
 350         data = 0; /* writing data will be discard by ASIC */
 351         err = rtl8366_smi_write_reg(smi, addr, data);
 352         if (err)
 353                 return err;
 354
 355         /* read MIB control register */
 356         err =  rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 357         if (err)
 358                 return err;
 359
 360         if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
 361                 return -EBUSY;
 362
 363         if (data & RTL8366S_MIB_CTRL_RESET_MASK)
 364                 return -EIO;
 365
 366         mibvalue = 0;
 367         for (i = rtl8366s_mib_counters[counter].length; i > 0; i--) {
 368                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 369                 if (err)
 370                         return err;
 371
 372                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 373         }
 374
 375         *val = mibvalue;
 376         return 0;
 377 }
 378
 379 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 380                                 struct rtl8366_vlan_4k *vlan4k)
 381 {
 382         struct rtl8366s_vlan_4k vlan4k_priv;
 383         int err;
 384         u32 data;
 385         u16 *tableaddr;
 386
 387         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 388         vlan4k_priv.vid = vid;
 389
 390         if (vid >= RTL8366_NUM_VIDS)
 391                 return -EINVAL;
 392
 393         tableaddr = (u16 *)&vlan4k_priv;
 394
 395         /* write VID */
 396         data = *tableaddr;
 397         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 398         if (err)
 399                 return err;
 400
 401         /* write table access control word */
 402         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 403                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 404         if (err)
 405                 return err;
 406
 407         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
 408         if (err)
 409                 return err;
 410
 411         *tableaddr = data;
 412         tableaddr++;
 413
 414         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
 415                                    &data);
 416         if (err)
 417                 return err;
 418
 419         *tableaddr = data;
 420
 421         vlan4k->vid = vid;
 422         vlan4k->untag = vlan4k_priv.untag;
 423         vlan4k->member = vlan4k_priv.member;
 424         vlan4k->fid = vlan4k_priv.fid;
 425
 426         return 0;
 427 }
 428
 429 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
 430                                 const struct rtl8366_vlan_4k *vlan4k)
 431 {
 432         struct rtl8366s_vlan_4k vlan4k_priv;
 433         int err;
 434         u32 data;
 435         u16 *tableaddr;
 436
 437         if (vlan4k->vid >= RTL8366_NUM_VIDS ||
 438             vlan4k->member > RTL8366_PORT_ALL ||
 439             vlan4k->untag > RTL8366_PORT_ALL ||
 440             vlan4k->fid > RTL8366S_FIDMAX)
 441                 return -EINVAL;
 442
 443         vlan4k_priv.vid = vlan4k->vid;
 444         vlan4k_priv.untag = vlan4k->untag;
 445         vlan4k_priv.member = vlan4k->member;
 446         vlan4k_priv.fid = vlan4k->fid;
 447
 448         tableaddr = (u16 *)&vlan4k_priv;
 449
 450         data = *tableaddr;
 451
 452         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 453         if (err)
 454                 return err;
 455
 456         tableaddr++;
 457
 458         data = *tableaddr;
 459
 460         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
 461                                     data);
 462         if (err)
 463                 return err;
 464
 465         /* write table access control word */
 466         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 467                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 468
 469         return err;
 470 }
 471
 472 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 473                                 struct rtl8366_vlan_mc *vlanmc)
 474 {
 475         struct rtl8366s_vlan_mc vlanmc_priv;
 476         int err;
 477         u32 addr;
 478         u32 data;
 479         u16 *tableaddr;
 480
 481         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 482
 483         if (index >= RTL8366_NUM_VLANS)
 484                 return -EINVAL;
 485
 486         tableaddr = (u16 *)&vlanmc_priv;
 487
 488         addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
 489         err = rtl8366_smi_read_reg(smi, addr, &data);
 490         if (err)
 491                 return err;
 492
 493         *tableaddr = data;
 494         tableaddr++;
 495
 496         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
 497         err = rtl8366_smi_read_reg(smi, addr, &data);
 498         if (err)
 499                 return err;
 500
 501         *tableaddr = data;
 502
 503         vlanmc->vid = vlanmc_priv.vid;
 504         vlanmc->priority = vlanmc_priv.priority;
 505         vlanmc->untag = vlanmc_priv.untag;
 506         vlanmc->member = vlanmc_priv.member;
 507         vlanmc->fid = vlanmc_priv.fid;
 508
 509         return 0;
 510 }
 511
 512 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
 513                                 const struct rtl8366_vlan_mc *vlanmc)
 514 {
 515         struct rtl8366s_vlan_mc vlanmc_priv;
 516         int err;
 517         u32 addr;
 518         u32 data;
 519         u16 *tableaddr;
 520
 521         if (index >= RTL8366_NUM_VLANS ||
 522             vlanmc->vid >= RTL8366_NUM_VIDS ||
 523             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 524             vlanmc->member > RTL8366_PORT_ALL ||
 525             vlanmc->untag > RTL8366_PORT_ALL ||
 526             vlanmc->fid > RTL8366S_FIDMAX)
 527                 return -EINVAL;
 528
 529         vlanmc_priv.vid = vlanmc->vid;
 530         vlanmc_priv.priority = vlanmc->priority;
 531         vlanmc_priv.untag = vlanmc->untag;
 532         vlanmc_priv.member = vlanmc->member;
 533         vlanmc_priv.fid = vlanmc->fid;
 534
 535         addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
 536
 537         tableaddr = (u16 *)&vlanmc_priv;
 538         data = *tableaddr;
 539
 540         err = rtl8366_smi_write_reg(smi, addr, data);
 541         if (err)
 542                 return err;
 543
 544         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
 545
 546         tableaddr++;
 547         data = *tableaddr;
 548
 549         err = rtl8366_smi_write_reg(smi, addr, data);
 550         if (err)
 551                 return err;
 552
 553         return 0;
 554 }
 555
 556 static int rtl8366s_get_port_vlan_index(struct rtl8366_smi *smi, int port,
 557                                        int *val)
 558 {
 559         u32 data;
 560         int err;
 561
 562         if (port >= RTL8366_NUM_PORTS)
 563                 return -EINVAL;
 564
 565         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 566                                    &data);
 567         if (err)
 568                 return err;
 569
 570         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 571                RTL8366S_PORT_VLAN_CTRL_MASK;
 572
 573         return 0;
 574
 575 }
 576
 577 static int rtl8366s_get_vlan_port_pvid(struct rtl8366_smi *smi, int port,
 578                                        int *val)
 579 {
 580         struct rtl8366_vlan_mc vlanmc;
 581         int err;
 582         int index;
 583
 584         err = rtl8366s_get_port_vlan_index(smi, port, &index);
 585         if (err)
 586                 return err;
 587
 588         err = rtl8366s_get_vlan_mc(smi, index, &vlanmc);
 589         if (err)
 590                 return err;
 591
 592         *val = vlanmc.vid;
 593         return 0;
 594 }
 595
 596 static int rtl8366s_set_port_vlan_index(struct rtl8366_smi *smi, int port,
 597                                         int index)
 598 {
 599         u32 data;
 600         int err;
 601
 602         if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS)
 603                 return -EINVAL;
 604
 605         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 606                                    &data);
 607         if (err)
 608                 return err;
 609
 610         data &= ~(RTL8366S_PORT_VLAN_CTRL_MASK <<
 611                   RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 612         data |= (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 613                  RTL8366S_PORT_VLAN_CTRL_SHIFT(port);
 614
 615         err = rtl8366_smi_write_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 616                                     data);
 617         return err;
 618 }
 619
 620 static int rtl8366s_set_vlan_port_pvid(struct rtl8366_smi *smi, int port, int val)
 621 {
 622         int i;
 623         struct rtl8366_vlan_mc vlanmc;
 624         struct rtl8366_vlan_4k vlan4k;
 625
 626         if (port >= RTL8366_NUM_PORTS || val >= RTL8366_NUM_VIDS)
 627                 return -EINVAL;
 628
 629         /* Updating the 4K entry; lookup it and change the port member set */
 630         rtl8366s_get_vlan_4k(smi, val, &vlan4k);
 631         vlan4k.member |= ((1 << port) | RTL8366_PORT_CPU);
 632         vlan4k.untag = RTL8366_PORT_ALL_BUT_CPU;
 633         rtl8366s_set_vlan_4k(smi, &vlan4k);
 634
 635         /*
 636          * For the 16 entries more work needs to be done. First see if such
 637          * VID is already there and change it
 638          */
 639         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 640                 rtl8366s_get_vlan_mc(smi, i, &vlanmc);
 641
 642                 /* Try to find an existing vid and update port member set */
 643                 if (val == vlanmc.vid) {
 644                         vlanmc.member |= ((1 << port) | RTL8366_PORT_CPU);
 645                         rtl8366s_set_vlan_mc(smi, i, &vlanmc);
 646
 647                         /* Now update PVID register settings */
 648                         rtl8366s_set_port_vlan_index(smi, port, i);
 649
 650                         return 0;
 651                 }
 652         }
 653
 654         /*
 655          * PVID could not be found from vlan table. Replace unused (one that
 656          * has no member ports) with new one
 657          */
 658         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 659                 rtl8366s_get_vlan_mc(smi, i, &vlanmc);
 660
 661                 /*
 662                  * See if this vlan member configuration is unused. It is
 663                  * unused if member set contains no ports or CPU port only
 664                  */
 665                 if (!vlanmc.member || vlanmc.member == RTL8366_PORT_CPU) {
 666                         vlanmc.vid = val;
 667                         vlanmc.priority = 0;
 668                         vlanmc.untag = RTL8366_PORT_ALL_BUT_CPU;
 669                         vlanmc.member = ((1 << port) | RTL8366_PORT_CPU);
 670                         vlanmc.fid = 0;
 671
 672                         rtl8366s_set_vlan_mc(smi, i, &vlanmc);
 673
 674                         /* Now update PVID register settings */
 675                         rtl8366s_set_port_vlan_index(smi, port, i);
 676
 677                         return 0;
 678                 }
 679         }
 680
 681         dev_err(smi->parent,
 682                 "All 16 vlan member configurations are in use\n");
 683
 684         return -EINVAL;
 685 }
 686
 687
 688 static int rtl8366s_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
 689 {
 690         u32 data = 0;
 691
 692         rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
 693
 694         if (enable)
 695                 data |= RTL8366_CHIP_CTRL_VLAN;
 696         else
 697                 data &= ~RTL8366_CHIP_CTRL_VLAN;
 698
 699         return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data);
 700 }
 701
 702 static int rtl8366s_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
 703 {
 704         u32 data = 0;
 705
 706         rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
 707
 708         if (enable)
 709                 data |= 1;
 710         else
 711                 data &= ~1;
 712
 713         return rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, data);
 714 }
 715
 716 static int rtl8366s_reset_vlan(struct rtl8366_smi *smi)
 717 {
 718         struct rtl8366_vlan_4k vlan4k;
 719         struct rtl8366_vlan_mc vlanmc;
 720         int err;
 721         int i;
 722
 723         /* clear 16 VLAN member configuration */
 724         vlanmc.vid = 0;
 725         vlanmc.priority = 0;
 726         vlanmc.member = 0;
 727         vlanmc.untag = 0;
 728         vlanmc.fid = 0;
 729         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 730                 err = rtl8366s_set_vlan_mc(smi, i, &vlanmc);
 731                 if (err)
 732                         return err;
 733         }
 734
 735         /* Set a default VLAN with vid 1 to 4K table for all ports */
 736         vlan4k.vid = 1;
 737         vlan4k.member = RTL8366_PORT_ALL;
 738         vlan4k.untag = RTL8366_PORT_ALL;
 739         vlan4k.fid = 0;
 740         err = rtl8366s_set_vlan_4k(smi, &vlan4k);
 741         if (err)
 742                 return err;
 743
 744         /* Set all ports PVID to default VLAN */
 745         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
 746                 err = rtl8366s_set_vlan_port_pvid(smi, i, 0);
 747                 if (err)
 748                         return err;
 749         }
 750
 751         return 0;
 752 }
 753
 754 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 755 static int rtl8366s_debugfs_open(struct inode *inode, struct file *file)
 756 {
 757         file->private_data = inode->i_private;
 758         return 0;
 759 }
 760
 761 static ssize_t rtl8366s_read_debugfs_mibs(struct file *file,
 762                                           char __user *user_buf,
 763                                           size_t count, loff_t *ppos)
 764 {
 765         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 766         struct rtl8366_smi *smi = &rtl->smi;
 767         int i, j, len = 0;
 768         char *buf = rtl->buf;
 769
 770         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 771                         "%-36s %12s %12s %12s %12s %12s %12s\n",
 772                         "Counter",
 773                         "Port 0", "Port 1", "Port 2",
 774                         "Port 3", "Port 4", "Port 5");
 775
 776         for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
 777                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "%-36s ",
 778                                 rtl8366s_mib_counters[i].name);
 779                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 780                         unsigned long long counter = 0;
 781
 782                         if (!rtl8366_get_mib_counter(smi, i, j, &counter))
 783                                 len += snprintf(buf + len,
 784                                                 sizeof(rtl->buf) - len,
 785                                                 "%12llu ", counter);
 786                         else
 787                                 len += snprintf(buf + len,
 788                                                 sizeof(rtl->buf) - len,
 789                                                 "%12s ", "error");
 790                 }
 791                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 792         }
 793
 794         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 795 }
 796
 797 static ssize_t rtl8366s_read_debugfs_vlan(struct file *file,
 798                                           char __user *user_buf,
 799                                           size_t count, loff_t *ppos)
 800 {
 801         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 802         struct rtl8366_smi *smi = &rtl->smi;
 803         int i, j, len = 0;
 804         char *buf = rtl->buf;
 805
 806         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 807                         "VLAN Member Config:\n");
 808         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 809                         "\t id \t vid \t prio \t member \t untag  \t fid "
 810                         "\tports\n");
 811
 812         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 813                 struct rtl8366_vlan_mc vlanmc;
 814
 815                 rtl8366s_get_vlan_mc(smi, i, &vlanmc);
 816
 817                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
 818                                 "\t[%d] \t %d \t %d \t 0x%04x \t 0x%04x \t %d "
 819                                 "\t", i, vlanmc.vid, vlanmc.priority,
 820                                 vlanmc.member, vlanmc.untag, vlanmc.fid);
 821
 822                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 823                         int index = 0;
 824                         if (!rtl8366s_get_port_vlan_index(smi, j, &index)) {
 825                                 if (index == i)
 826                                         len += snprintf(buf + len,
 827                                                         sizeof(rtl->buf) - len,
 828                                                         "%d", j);
 829                         }
 830                 }
 831                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 832         }
 833
 834         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 835 }
 836
 837 static ssize_t rtl8366s_read_debugfs_reg(struct file *file,
 838                                          char __user *user_buf,
 839                                          size_t count, loff_t *ppos)
 840 {
 841         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 842         struct rtl8366_smi *smi = &rtl->smi;
 843         u32 t, reg = g_dbg_reg;
 844         int err, len = 0;
 845         char *buf = rtl->buf;
 846
 847         memset(buf, '\0', sizeof(rtl->buf));
 848
 849         err = rtl8366_smi_read_reg(smi, reg, &t);
 850         if (err) {
 851                 len += snprintf(buf, sizeof(rtl->buf),
 852                                 "Read failed (reg: 0x%04x)\n", reg);
 853                 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 854         }
 855
 856         len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n",
 857                         reg, t);
 858
 859         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 860 }
 861
 862 static ssize_t rtl8366s_write_debugfs_reg(struct file *file,
 863                                           const char __user *user_buf,
 864                                           size_t count, loff_t *ppos)
 865 {
 866         struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
 867         struct rtl8366_smi *smi = &rtl->smi;
 868         unsigned long data;
 869         u32 reg = g_dbg_reg;
 870         int err;
 871         size_t len;
 872         char *buf = rtl->buf;
 873
 874         len = min(count, sizeof(rtl->buf) - 1);
 875         if (copy_from_user(buf, user_buf, len)) {
 876                 dev_err(rtl->parent, "copy from user failed\n");
 877                 return -EFAULT;
 878         }
 879
 880         buf[len] = '\0';
 881         if (len > 0 && buf[len - 1] == '\n')
 882                 buf[len - 1] = '\0';
 883
 884
 885         if (strict_strtoul(buf, 16, &data)) {
 886                 dev_err(rtl->parent, "Invalid reg value %s\n", buf);
 887         } else {
 888                 err = rtl8366_smi_write_reg(smi, reg, data);
 889                 if (err) {
 890                         dev_err(rtl->parent,
 891                                 "writing reg 0x%04x val 0x%04lx failed\n",
 892                                 reg, data);
 893                 }
 894         }
 895
 896         return count;
 897 }
 898
 899 static const struct file_operations fops_rtl8366s_regs = {
 900         .read = rtl8366s_read_debugfs_reg,
 901         .write = rtl8366s_write_debugfs_reg,
 902         .open = rtl8366s_debugfs_open,
 903         .owner = THIS_MODULE
 904 };
 905
 906 static const struct file_operations fops_rtl8366s_vlan = {
 907         .read = rtl8366s_read_debugfs_vlan,
 908         .open = rtl8366s_debugfs_open,
 909         .owner = THIS_MODULE
 910 };
 911
 912 static const struct file_operations fops_rtl8366s_mibs = {
 913         .read = rtl8366s_read_debugfs_mibs,
 914         .open = rtl8366s_debugfs_open,
 915         .owner = THIS_MODULE
 916 };
 917
 918 static void rtl8366s_debugfs_init(struct rtl8366s *rtl)
 919 {
 920         struct dentry *node;
 921         struct dentry *root;
 922
 923         if (!rtl->debugfs_root)
 924                 rtl->debugfs_root = debugfs_create_dir("rtl8366s", NULL);
 925
 926         if (!rtl->debugfs_root) {
 927                 dev_err(rtl->parent, "Unable to create debugfs dir\n");
 928                 return;
 929         }
 930         root = rtl->debugfs_root;
 931
 932         node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &g_dbg_reg);
 933         if (!node) {
 934                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 935                         "reg");
 936                 return;
 937         }
 938
 939         node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
 940                                    &fops_rtl8366s_regs);
 941         if (!node) {
 942                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 943                         "val");
 944                 return;
 945         }
 946
 947         node = debugfs_create_file("vlan", S_IRUSR, root, rtl,
 948                                    &fops_rtl8366s_vlan);
 949         if (!node) {
 950                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 951                         "vlan");
 952                 return;
 953         }
 954
 955         node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
 956                                    &fops_rtl8366s_mibs);
 957         if (!node) {
 958                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
 959                         "mibs");
 960                 return;
 961         }
 962 }
 963
 964 static void rtl8366s_debugfs_remove(struct rtl8366s *rtl)
 965 {
 966         if (rtl->debugfs_root) {
 967                 debugfs_remove_recursive(rtl->debugfs_root);
 968                 rtl->debugfs_root = NULL;
 969         }
 970 }
 971
 972 #else
 973 static inline void rtl8366s_debugfs_init(struct rtl8366s *rtl) {}
 974 static inline void rtl8366s_debugfs_remove(struct rtl8366s *rtl) {}
 975 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
 976
 977 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
 978                                   const struct switch_attr *attr,
 979                                   struct switch_val *val)
 980 {
 981         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 982         u32 data = 0;
 983
 984         if (val->value.i == 1) {
 985                 rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 986                 data |= (1 << 2);
 987                 rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
 988         }
 989
 990         return 0;
 991 }
 992
 993 static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev,
 994                                        const struct switch_attr *attr,
 995                                        struct switch_val *val)
 996 {
 997         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 998         u32 data;
 999
1000         if (attr->ofs == 1) {
1001                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1002
1003                 if (data & RTL8366_CHIP_CTRL_VLAN)
1004                         val->value.i = 1;
1005                 else
1006                         val->value.i = 0;
1007         } else if (attr->ofs == 2) {
1008                 rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
1009
1010                 if (data & 0x0001)
1011                         val->value.i = 1;
1012                 else
1013                         val->value.i = 0;
1014         }
1015
1016         return 0;
1017 }
1018
1019 static int rtl8366s_sw_get_blinkrate(struct switch_dev *dev,
1020                                      const struct switch_attr *attr,
1021                                      struct switch_val *val)
1022 {
1023         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1024         u32 data;
1025
1026         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1027
1028         val->value.i = (data & (RTL8366_LED_BLINKRATE_MASK));
1029
1030         return 0;
1031 }
1032
1033 static int rtl8366s_sw_set_blinkrate(struct switch_dev *dev,
1034                                     const struct switch_attr *attr,
1035                                     struct switch_val *val)
1036 {
1037         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1038         u32 data;
1039
1040         if (val->value.i >= 6)
1041                 return -EINVAL;
1042
1043         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1044
1045         data &= ~RTL8366_LED_BLINKRATE_MASK;
1046         data |= val->value.i;
1047
1048         rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1049
1050         return 0;
1051 }
1052
1053 static int rtl8366s_sw_set_vlan_enable(struct switch_dev *dev,
1054                                        const struct switch_attr *attr,
1055                                        struct switch_val *val)
1056 {
1057         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1058
1059         if (attr->ofs == 1)
1060                 return rtl8366s_vlan_set_vlan(smi, val->value.i);
1061         else
1062                 return rtl8366s_vlan_set_4ktable(smi, val->value.i);
1063 }
1064
1065 static const char *rtl8366s_speed_str(unsigned speed)
1066 {
1067         switch (speed) {
1068         case 0:
1069                 return "10baseT";
1070         case 1:
1071                 return "100baseT";
1072         case 2:
1073                 return "1000baseT";
1074         }
1075
1076         return "unknown";
1077 }
1078
1079 static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
1080                                      const struct switch_attr *attr,
1081                                      struct switch_val *val)
1082 {
1083         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1084         struct rtl8366_smi *smi = &rtl->smi;
1085         u32 len = 0, data = 0;
1086
1087         if (val->port_vlan >= RTL8366_NUM_PORTS)
1088                 return -EINVAL;
1089
1090         memset(rtl->buf, '\0', sizeof(rtl->buf));
1091         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
1092                              (val->port_vlan / 2), &data);
1093
1094         if (val->port_vlan % 2)
1095                 data = data >> 8;
1096
1097         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
1098                 len = snprintf(rtl->buf, sizeof(rtl->buf),
1099                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
1100                                 val->port_vlan,
1101                                 rtl8366s_speed_str(data &
1102                                           RTL8366S_PORT_STATUS_SPEED_MASK),
1103                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
1104                                         "full" : "half",
1105                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
1106                                         "tx-pause ": "",
1107                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
1108                                         "rx-pause " : "",
1109                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
1110                                         "nway ": "");
1111         } else {
1112                 len = snprintf(rtl->buf, sizeof(rtl->buf), "port:%d link: down",
1113                                 val->port_vlan);
1114         }
1115
1116         val->value.s = rtl->buf;
1117         val->len = len;
1118
1119         return 0;
1120 }
1121
1122 static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev,
1123                                      const struct switch_attr *attr,
1124                                      struct switch_val *val)
1125 {
1126         int i;
1127         u32 len = 0;
1128         struct rtl8366_vlan_mc vlanmc;
1129         struct rtl8366_vlan_4k vlan4k;
1130         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1131         struct rtl8366_smi *smi = &rtl->smi;
1132         char *buf = rtl->buf;
1133
1134         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1135                 return -EINVAL;
1136
1137         memset(buf, '\0', sizeof(rtl->buf));
1138
1139         rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc);
1140         rtl8366s_get_vlan_4k(smi, vlanmc.vid, &vlan4k);
1141
1142         len += snprintf(buf + len, sizeof(rtl->buf) - len, "VLAN %d: Ports: ",
1143                         val->port_vlan);
1144
1145         for (i = 0; i < RTL8366_NUM_PORTS; ++i) {
1146                 int index = 0;
1147                 if (!rtl8366s_get_port_vlan_index(smi, i, &index) &&
1148                     index == val->port_vlan)
1149                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1150                                         "%d", i);
1151         }
1152         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
1153
1154         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1155                         "\t\t vid \t prio \t member \t untag \t fid\n");
1156         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\tMC:\t");
1157         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1158                         "%d \t %d \t 0x%04x \t 0x%04x \t %d\n",
1159                         vlanmc.vid, vlanmc.priority, vlanmc.member,
1160                         vlanmc.untag, vlanmc.fid);
1161         len += snprintf(buf + len, sizeof(rtl->buf) - len, "\t4K:\t");
1162         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1163                         "%d \t  \t 0x%04x \t 0x%04x \t %d",
1164                         vlan4k.vid, vlan4k.member, vlan4k.untag, vlan4k.fid);
1165
1166         val->value.s = buf;
1167         val->len = len;
1168
1169         return 0;
1170 }
1171
1172 static int rtl8366s_sw_set_port_led(struct switch_dev *dev,
1173                                     const struct switch_attr *attr,
1174                                     struct switch_val *val)
1175 {
1176         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1177         u32 data = 0;
1178
1179         if (val->port_vlan >= RTL8366_NUM_PORTS ||
1180             (1 << val->port_vlan) == RTL8366_PORT_UNKNOWN)
1181                 return -EINVAL;
1182
1183         if (val->port_vlan == RTL8366_PORT_NUM_CPU) {
1184                 rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1185                 data = (data & (~(0xF << 4))) | (val->value.i << 4);
1186                 rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);
1187         } else {
1188                 rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1189                 data = (data & (~(0xF << (val->port_vlan * 4)))) |
1190                         (val->value.i << (val->port_vlan * 4));
1191                 rtl8366_smi_write_reg(smi, RTL8366_LED_CTRL_REG, data);
1192         }
1193
1194         return 0;
1195 }
1196
1197 static int rtl8366s_sw_get_port_led(struct switch_dev *dev,
1198                                     const struct switch_attr *attr,
1199                                     struct switch_val *val)
1200 {
1201         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1202         u32 data = 0;
1203
1204         if (val->port_vlan >= RTL8366_NUM_LEDGROUPS)
1205                 return -EINVAL;
1206
1207         rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1208         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
1209
1210         return 0;
1211 }
1212
1213 static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
1214                                        const struct switch_attr *attr,
1215                                        struct switch_val *val)
1216 {
1217         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1218         u32 data = 0;
1219
1220         if (val->port_vlan >= RTL8366_NUM_PORTS)
1221                 return -EINVAL;
1222
1223         rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
1224         data |= (1 << (val->port_vlan + 3));
1225         rtl8366_smi_write_reg(smi, RTL8366S_MIB_CTRL_REG, data);
1226
1227         return 0;
1228 }
1229
1230 static int rtl8366s_sw_get_port_mib(struct switch_dev *dev,
1231                                     const struct switch_attr *attr,
1232                                     struct switch_val *val)
1233 {
1234         struct rtl8366s *rtl = sw_to_rtl8366s(dev);
1235         struct rtl8366_smi *smi = &rtl->smi;
1236         int i, len = 0;
1237         unsigned long long counter = 0;
1238         char *buf = rtl->buf;
1239
1240         if (val->port_vlan >= RTL8366_NUM_PORTS)
1241                 return -EINVAL;
1242
1243         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1244                         "Port %d MIB counters\n",
1245                         val->port_vlan);
1246
1247         for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
1248                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
1249                                 "%-36s: ", rtl8366s_mib_counters[i].name);
1250                 if (!rtl8366_get_mib_counter(smi, i, val->port_vlan, &counter))
1251                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1252                                         "%llu\n", counter);
1253                 else
1254                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1255                                         "%s\n", "error");
1256         }
1257
1258         val->value.s = buf;
1259         val->len = len;
1260         return 0;
1261 }
1262
1263 static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev,
1264                                       struct switch_val *val)
1265 {
1266         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1267         struct rtl8366_vlan_mc vlanmc;
1268         struct switch_port *port;
1269         int i;
1270
1271         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1272                 return -EINVAL;
1273
1274         rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc);
1275
1276         port = &val->value.ports[0];
1277         val->len = 0;
1278         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
1279                 if (!(vlanmc.member & BIT(i)))
1280                         continue;
1281
1282                 port->id = i;
1283                 port->flags = (vlanmc.untag & BIT(i)) ?
1284                                         0 : BIT(SWITCH_PORT_FLAG_TAGGED);
1285                 val->len++;
1286                 port++;
1287         }
1288         return 0;
1289 }
1290
1291 static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
1292                                       struct switch_val *val)
1293 {
1294         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1295         struct rtl8366_vlan_mc vlanmc;
1296         struct rtl8366_vlan_4k vlan4k;
1297         struct switch_port *port;
1298         int i;
1299
1300         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1301                 return -EINVAL;
1302
1303         rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc);
1304         rtl8366s_get_vlan_4k(smi, vlanmc.vid, &vlan4k);
1305
1306         vlanmc.untag = 0;
1307         vlanmc.member = 0;
1308
1309         port = &val->value.ports[0];
1310         for (i = 0; i < val->len; i++, port++) {
1311                 vlanmc.member |= BIT(port->id);
1312
1313                 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1314                         vlanmc.untag |= BIT(port->id);
1315         }
1316
1317         vlan4k.member = vlanmc.member;
1318         vlan4k.untag = vlanmc.untag;
1319
1320         rtl8366s_set_vlan_mc(smi, val->port_vlan, &vlanmc);
1321         rtl8366s_set_vlan_4k(smi, &vlan4k);
1322         return 0;
1323 }
1324
1325 static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1326 {
1327         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1328         return rtl8366s_get_vlan_port_pvid(smi, port, val);
1329 }
1330
1331 static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1332 {
1333         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1334         return rtl8366s_set_vlan_port_pvid(smi, port, val);
1335 }
1336
1337 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
1338 {
1339         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1340         int err;
1341
1342         err = rtl8366s_reset_chip(smi);
1343         if (err)
1344                 return err;
1345
1346         return rtl8366s_reset_vlan(smi);
1347 }
1348
1349 static struct switch_attr rtl8366s_globals[] = {
1350         {
1351                 .type = SWITCH_TYPE_INT,
1352                 .name = "enable_vlan",
1353                 .description = "Enable VLAN mode",
1354                 .set = rtl8366s_sw_set_vlan_enable,
1355                 .get = rtl8366s_sw_get_vlan_enable,
1356                 .max = 1,
1357                 .ofs = 1
1358         }, {
1359                 .type = SWITCH_TYPE_INT,
1360                 .name = "enable_vlan4k",
1361                 .description = "Enable VLAN 4K mode",
1362                 .set = rtl8366s_sw_set_vlan_enable,
1363                 .get = rtl8366s_sw_get_vlan_enable,
1364                 .max = 1,
1365                 .ofs = 2
1366         }, {
1367                 .type = SWITCH_TYPE_INT,
1368                 .name = "reset_mibs",
1369                 .description = "Reset all MIB counters",
1370                 .set = rtl8366s_sw_reset_mibs,
1371                 .get = NULL,
1372                 .max = 1
1373         }, {
1374                 .type = SWITCH_TYPE_INT,
1375                 .name = "blinkrate",
1376                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1377                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1378                 .set = rtl8366s_sw_set_blinkrate,
1379                 .get = rtl8366s_sw_get_blinkrate,
1380                 .max = 5
1381         },
1382 };
1383
1384 static struct switch_attr rtl8366s_port[] = {
1385         {
1386                 .type = SWITCH_TYPE_STRING,
1387                 .name = "link",
1388                 .description = "Get port link information",
1389                 .max = 1,
1390                 .set = NULL,
1391                 .get = rtl8366s_sw_get_port_link,
1392         }, {
1393                 .type = SWITCH_TYPE_INT,
1394                 .name = "reset_mib",
1395                 .description = "Reset single port MIB counters",
1396                 .max = 1,
1397                 .set = rtl8366s_sw_reset_port_mibs,
1398                 .get = NULL,
1399         }, {
1400                 .type = SWITCH_TYPE_STRING,
1401                 .name = "mib",
1402                 .description = "Get MIB counters for port",
1403                 .max = 33,
1404                 .set = NULL,
1405                 .get = rtl8366s_sw_get_port_mib,
1406         }, {
1407                 .type = SWITCH_TYPE_INT,
1408                 .name = "led",
1409                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1410                 .max = 15,
1411                 .set = rtl8366s_sw_set_port_led,
1412                 .get = rtl8366s_sw_get_port_led,
1413         },
1414 };
1415
1416 static struct switch_attr rtl8366s_vlan[] = {
1417         {
1418                 .type = SWITCH_TYPE_STRING,
1419                 .name = "info",
1420                 .description = "Get vlan information",
1421                 .max = 1,
1422                 .set = NULL,
1423                 .get = rtl8366s_sw_get_vlan_info,
1424         },
1425 };
1426
1427 /* template */
1428 static struct switch_dev rtl8366_switch_dev = {
1429         .name = "RTL8366S",
1430         .cpu_port = RTL8366_PORT_NUM_CPU,
1431         .ports = RTL8366_NUM_PORTS,
1432         .vlans = RTL8366_NUM_VLANS,
1433         .attr_global = {
1434                 .attr = rtl8366s_globals,
1435                 .n_attr = ARRAY_SIZE(rtl8366s_globals),
1436         },
1437         .attr_port = {
1438                 .attr = rtl8366s_port,
1439                 .n_attr = ARRAY_SIZE(rtl8366s_port),
1440         },
1441         .attr_vlan = {
1442                 .attr = rtl8366s_vlan,
1443                 .n_attr = ARRAY_SIZE(rtl8366s_vlan),
1444         },
1445
1446         .get_vlan_ports = rtl8366s_sw_get_vlan_ports,
1447         .set_vlan_ports = rtl8366s_sw_set_vlan_ports,
1448         .get_port_pvid = rtl8366s_sw_get_port_pvid,
1449         .set_port_pvid = rtl8366s_sw_set_port_pvid,
1450         .reset_switch = rtl8366s_sw_reset_switch,
1451 };
1452
1453 static int rtl8366s_switch_init(struct rtl8366s *rtl)
1454 {
1455         struct switch_dev *dev = &rtl->dev;
1456         int err;
1457
1458         memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1459         dev->priv = rtl;
1460         dev->devname = dev_name(rtl->parent);
1461
1462         err = register_switch(dev, NULL);
1463         if (err)
1464                 dev_err(rtl->parent, "switch registration failed\n");
1465
1466         return err;
1467 }
1468
1469 static void rtl8366s_switch_cleanup(struct rtl8366s *rtl)
1470 {
1471         unregister_switch(&rtl->dev);
1472 }
1473
1474 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
1475 {
1476         struct rtl8366_smi *smi = bus->priv;
1477         u32 val = 0;
1478         int err;
1479
1480         err = rtl8366s_read_phy_reg(smi, addr, 0, reg, &val);
1481         if (err)
1482                 return 0xffff;
1483
1484         return val;
1485 }
1486
1487 static int rtl8366s_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1488 {
1489         struct rtl8366_smi *smi = bus->priv;
1490         u32 t;
1491         int err;
1492
1493         err = rtl8366s_write_phy_reg(smi, addr, 0, reg, val);
1494         /* flush write */
1495         (void) rtl8366s_read_phy_reg(smi, addr, 0, reg, &t);
1496
1497         return err;
1498 }
1499
1500 static int rtl8366s_mii_bus_match(struct mii_bus *bus)
1501 {
1502         return (bus->read == rtl8366s_mii_read &&
1503                 bus->write == rtl8366s_mii_write);
1504 }
1505
1506 static int rtl8366s_setup(struct rtl8366s *rtl)
1507 {
1508         struct rtl8366_smi *smi = &rtl->smi;
1509         int ret;
1510
1511         ret = rtl8366s_reset_chip(smi);
1512         if (ret)
1513                 return ret;
1514
1515         rtl8366s_debugfs_init(rtl);
1516         return 0;
1517 }
1518
1519 static int rtl8366s_detect(struct rtl8366_smi *smi)
1520 {
1521         u32 chip_id = 0;
1522         u32 chip_ver = 0;
1523         int ret;
1524
1525         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1526         if (ret) {
1527                 dev_err(smi->parent, "unable to read chip id\n");
1528                 return ret;
1529         }
1530
1531         switch (chip_id) {
1532         case RTL8366S_CHIP_ID_8366:
1533                 break;
1534         default:
1535                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1536                 return -ENODEV;
1537         }
1538
1539         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1540                                    &chip_ver);
1541         if (ret) {
1542                 dev_err(smi->parent, "unable to read chip version\n");
1543                 return ret;
1544         }
1545
1546         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1547                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1548
1549         return 0;
1550 }
1551
1552 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
1553         .detect         = rtl8366s_detect,
1554         .mii_read       = rtl8366s_mii_read,
1555         .mii_write      = rtl8366s_mii_write,
1556 };
1557
1558 static int __init rtl8366s_probe(struct platform_device *pdev)
1559 {
1560         static int rtl8366_smi_version_printed;
1561         struct rtl8366s_platform_data *pdata;
1562         struct rtl8366s *rtl;
1563         struct rtl8366_smi *smi;
1564         int err;
1565
1566         if (!rtl8366_smi_version_printed++)
1567                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1568                        " version " RTL8366S_DRIVER_VER"\n");
1569
1570         pdata = pdev->dev.platform_data;
1571         if (!pdata) {
1572                 dev_err(&pdev->dev, "no platform data specified\n");
1573                 err = -EINVAL;
1574                 goto err_out;
1575         }
1576
1577         rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1578         if (!rtl) {
1579                 dev_err(&pdev->dev, "no memory for private data\n");
1580                 err = -ENOMEM;
1581                 goto err_out;
1582         }
1583
1584         rtl->parent = &pdev->dev;
1585
1586         smi = &rtl->smi;
1587         smi->parent = &pdev->dev;
1588         smi->gpio_sda = pdata->gpio_sda;
1589         smi->gpio_sck = pdata->gpio_sck;
1590         smi->ops = &rtl8366s_smi_ops;
1591
1592         err = rtl8366_smi_init(smi);
1593         if (err)
1594                 goto err_free_rtl;
1595
1596         platform_set_drvdata(pdev, rtl);
1597
1598         err = rtl8366s_setup(rtl);
1599         if (err)
1600                 goto err_clear_drvdata;
1601
1602         err = rtl8366s_switch_init(rtl);
1603         if (err)
1604                 goto err_clear_drvdata;
1605
1606         return 0;
1607
1608  err_clear_drvdata:
1609         platform_set_drvdata(pdev, NULL);
1610         rtl8366_smi_cleanup(smi);
1611  err_free_rtl:
1612         kfree(rtl);
1613  err_out:
1614         return err;
1615 }
1616
1617 static int rtl8366s_phy_config_init(struct phy_device *phydev)
1618 {
1619         if (!rtl8366s_mii_bus_match(phydev->bus))
1620                 return -EINVAL;
1621
1622         return 0;
1623 }
1624
1625 static int rtl8366s_phy_config_aneg(struct phy_device *phydev)
1626 {
1627         return 0;
1628 }
1629
1630 static struct phy_driver rtl8366s_phy_driver = {
1631         .phy_id         = 0x001cc960,
1632         .name           = "Realtek RTL8366S",
1633         .phy_id_mask    = 0x1ffffff0,
1634         .features       = PHY_GBIT_FEATURES,
1635         .config_aneg    = rtl8366s_phy_config_aneg,
1636         .config_init    = rtl8366s_phy_config_init,
1637         .read_status    = genphy_read_status,
1638         .driver         = {
1639                 .owner = THIS_MODULE,
1640         },
1641 };
1642
1643 static int __devexit rtl8366s_remove(struct platform_device *pdev)
1644 {
1645         struct rtl8366s *rtl = platform_get_drvdata(pdev);
1646
1647         if (rtl) {
1648                 rtl8366s_switch_cleanup(rtl);
1649                 rtl8366s_debugfs_remove(rtl);
1650                 platform_set_drvdata(pdev, NULL);
1651                 rtl8366_smi_cleanup(&rtl->smi);
1652                 kfree(rtl);
1653         }
1654
1655         return 0;
1656 }
1657
1658 static struct platform_driver rtl8366s_driver = {
1659         .driver = {
1660                 .name           = RTL8366S_DRIVER_NAME,
1661                 .owner          = THIS_MODULE,
1662         },
1663         .probe          = rtl8366s_probe,
1664         .remove         = __devexit_p(rtl8366s_remove),
1665 };
1666
1667 static int __init rtl8366s_module_init(void)
1668 {
1669         int ret;
1670         ret = platform_driver_register(&rtl8366s_driver);
1671         if (ret)
1672                 return ret;
1673
1674         ret = phy_driver_register(&rtl8366s_phy_driver);
1675         if (ret)
1676                 goto err_platform_unregister;
1677
1678         return 0;
1679
1680  err_platform_unregister:
1681         platform_driver_unregister(&rtl8366s_driver);
1682         return ret;
1683 }
1684 module_init(rtl8366s_module_init);
1685
1686 static void __exit rtl8366s_module_exit(void)
1687 {
1688         phy_driver_unregister(&rtl8366s_phy_driver);
1689         platform_driver_unregister(&rtl8366s_driver);
1690 }
1691 module_exit(rtl8366s_module_exit);
1692
1693 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1694 MODULE_VERSION(RTL8366S_DRIVER_VER);
1695 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1696 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1697 MODULE_LICENSE("GPL v2");
1698 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME);