generic: rtl8366: generealize rtl8366{s,rb}_sw_get_port_mib functions
[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366s.c
index fa3f3cd..b603c23 100644 (file)
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/skbuff.h>
-#include <linux/switch.h>
 #include <linux/rtl8366s.h>
 
 #include "rtl8366_smi.h"
 
-#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
-#include <linux/debugfs.h>
-#endif
-
 #define RTL8366S_DRIVER_DESC   "Realtek RTL8366S ethernet switch driver"
 #define RTL8366S_DRIVER_VER    "0.2.2"
 
@@ -31,9 +26,6 @@
 #define RTL8366S_PHY_PAGE_MAX  7
 #define RTL8366S_PHY_ADDR_MAX  31
 
-#define RTL8366S_CHIP_GLOBAL_CTRL_REG          0x0000
-#define RTL8366S_CHIP_CTRL_VLAN                        (1 << 13)
-
 /* Switch Global Configuration register */
 #define RTL8366S_SGCR                          0x0000
 #define RTL8366S_SGCR_EN_BC_STORM_CTRL         BIT(0)
@@ -43,6 +35,7 @@
 #define RTL8366S_SGCR_MAX_LENGTH_1536          RTL8366S_SGCR_MAX_LENGTH(0x1)
 #define RTL8366S_SGCR_MAX_LENGTH_1552          RTL8366S_SGCR_MAX_LENGTH(0x2)
 #define RTL8366S_SGCR_MAX_LENGTH_16000         RTL8366S_SGCR_MAX_LENGTH(0x3)
+#define RTL8366S_SGCR_EN_VLAN                  BIT(13)
 
 /* Port Enable Control register */
 #define RTL8366S_PECR                          0x0001
 #define RTL8366S_TABLE_VLAN_READ_CTRL          0x0E01
 #define RTL8366S_TABLE_VLAN_WRITE_CTRL         0x0F01
 
-#define RTL8366S_VLAN_MEMCONF_BASE             0x0016
+#define RTL8366S_VLAN_MC_BASE(_x)              (0x0016 + (_x) * 2)
 
+#define RTL8366S_VLAN_MEMBERINGRESS_REG                0x0379
 
 #define RTL8366S_PORT_LINK_STATUS_BASE         0x0060
 #define RTL8366S_PORT_STATUS_SPEED_MASK                0x0003
 #define RTL8366S_PORT_ALL_INTERNAL     (RTL8366S_PORT_UNKNOWN | \
                                         RTL8366S_PORT_CPU)
 
-struct rtl8366s {
-       struct device           *parent;
-       struct rtl8366_smi      smi;
-       struct switch_dev       dev;
-       char                    buf[4096];
-#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
-       struct dentry           *debugfs_root;
-#endif
-};
-
-struct rtl8366s_vlan_mc {
-       u16     reserved2:1;
-       u16     priority:3;
-       u16     vid:12;
-
-       u16     reserved1:1;
-       u16     fid:3;
-       u16     untag:6;
-       u16     member:6;
-};
-
-struct rtl8366s_vlan_4k {
-       u16     reserved1:4;
-       u16     vid:12;
-
-       u16     reserved2:1;
-       u16     fid:3;
-       u16     untag:6;
-       u16     member:6;
-};
+#define RTL8366S_VLAN_VID_MASK         0xfff
+#define RTL8366S_VLAN_PRIORITY_SHIFT   12
+#define RTL8366S_VLAN_PRIORITY_MASK    0x7
+#define RTL8366S_VLAN_MEMBER_MASK      0x3f
+#define RTL8366S_VLAN_UNTAG_SHIFT      6
+#define RTL8366S_VLAN_UNTAG_MASK       0x3f
+#define RTL8366S_VLAN_FID_SHIFT                12
+#define RTL8366S_VLAN_FID_MASK         0x7
 
-#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
-u16 g_dbg_reg;
-#endif
-
-struct mib_counter {
-       unsigned        base;
-       unsigned        offset;
-       unsigned        length;
-       const char      *name;
-};
-
-static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = {
+static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
        { 0,  0, 4, "IfInOctets"                                },
        { 0,  4, 4, "EtherStatsOctets"                          },
        { 0,  8, 2, "EtherStatsUnderSizePkts"                   },
@@ -263,22 +224,6 @@ static struct mib_counter rtl8366s_mib_counters[RTL8366S_MIB_COUNT] = {
                        return err;                                     \
        } while (0)
 
-static inline struct rtl8366s *smi_to_rtl8366s(struct rtl8366_smi *smi)
-{
-       return container_of(smi, struct rtl8366s, smi);
-}
-
-static inline struct rtl8366s *sw_to_rtl8366s(struct switch_dev *sw)
-{
-       return container_of(sw, struct rtl8366s, dev);
-}
-
-static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
-{
-       struct rtl8366s *rtl = sw_to_rtl8366s(sw);
-       return &rtl->smi;
-}
-
 static int rtl8366s_reset_chip(struct rtl8366_smi *smi)
 {
        int timeout = 10;
@@ -320,6 +265,12 @@ static int rtl8366s_hw_init(struct rtl8366_smi *smi)
        /* disable auto ageing for all ports */
        REG_WR(smi, RTL8366S_SSCR1, RTL8366S_PORT_ALL);
 
+       /*
+        * discard VLAN tagged packets if the port is not a member of
+        * the VLAN with which the packets is associated.
+        */
+       REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
+
        /* don't drop packets whose DA has not been learned */
        REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
 
@@ -456,22 +407,18 @@ static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
 static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
                                struct rtl8366_vlan_4k *vlan4k)
 {
-       struct rtl8366s_vlan_4k vlan4k_priv;
+       u32 data[2];
        int err;
-       u32 data;
-       u16 *tableaddr;
+       int i;
 
        memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
-       vlan4k_priv.vid = vid;
 
        if (vid >= RTL8366S_NUM_VIDS)
                return -EINVAL;
 
-       tableaddr = (u16 *)&vlan4k_priv;
-
        /* write VID */
-       data = *tableaddr;
-       err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
+       err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE,
+                                   vid & RTL8366S_VLAN_VID_MASK);
        if (err)
                return err;
 
@@ -481,24 +428,20 @@ static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
        if (err)
                return err;
 
-       err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
-       if (err)
-               return err;
-
-       *tableaddr = data;
-       tableaddr++;
-
-       err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
-                                  &data);
-       if (err)
-               return err;
-
-       *tableaddr = data;
+       for (i = 0; i < 2; i++) {
+               err = rtl8366_smi_read_reg(smi,
+                                          RTL8366S_VLAN_TABLE_READ_BASE + i,
+                                          &data[i]);
+               if (err)
+                       return err;
+       }
 
        vlan4k->vid = vid;
-       vlan4k->untag = vlan4k_priv.untag;
-       vlan4k->member = vlan4k_priv.member;
-       vlan4k->fid = vlan4k_priv.fid;
+       vlan4k->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
+                       RTL8366S_VLAN_UNTAG_MASK;
+       vlan4k->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
+       vlan4k->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
+                       RTL8366S_VLAN_FID_MASK;
 
        return 0;
 }
@@ -506,10 +449,9 @@ static int rtl8366s_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
                                const struct rtl8366_vlan_4k *vlan4k)
 {
-       struct rtl8366s_vlan_4k vlan4k_priv;
+       u32 data[2];
        int err;
-       u32 data;
-       u16 *tableaddr;
+       int i;
 
        if (vlan4k->vid >= RTL8366S_NUM_VIDS ||
            vlan4k->member > RTL8366S_PORT_ALL ||
@@ -517,27 +459,20 @@ static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
            vlan4k->fid > RTL8366S_FIDMAX)
                return -EINVAL;
 
-       vlan4k_priv.vid = vlan4k->vid;
-       vlan4k_priv.untag = vlan4k->untag;
-       vlan4k_priv.member = vlan4k->member;
-       vlan4k_priv.fid = vlan4k->fid;
-
-       tableaddr = (u16 *)&vlan4k_priv;
-
-       data = *tableaddr;
-
-       err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
-       if (err)
-               return err;
-
-       tableaddr++;
-
-       data = *tableaddr;
-
-       err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
-                                   data);
-       if (err)
-               return err;
+       data[0] = vlan4k->vid & RTL8366S_VLAN_VID_MASK;
+       data[1] = (vlan4k->member & RTL8366S_VLAN_MEMBER_MASK) |
+                 ((vlan4k->untag & RTL8366S_VLAN_UNTAG_MASK) <<
+                       RTL8366S_VLAN_UNTAG_SHIFT) |
+                 ((vlan4k->fid & RTL8366S_VLAN_FID_MASK) <<
+                       RTL8366S_VLAN_FID_SHIFT);
+
+       for (i = 0; i < 2; i++) {
+               err = rtl8366_smi_write_reg(smi,
+                                           RTL8366S_VLAN_TABLE_WRITE_BASE + i,
+                                           data[i]);
+               if (err)
+                       return err;
+       }
 
        /* write table access control word */
        err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
@@ -549,39 +484,31 @@ static int rtl8366s_set_vlan_4k(struct rtl8366_smi *smi,
 static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
                                struct rtl8366_vlan_mc *vlanmc)
 {
-       struct rtl8366s_vlan_mc vlanmc_priv;
+       u32 data[2];
        int err;
-       u32 addr;
-       u32 data;
-       u16 *tableaddr;
+       int i;
 
        memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 
        if (index >= RTL8366S_NUM_VLANS)
                return -EINVAL;
 
-       tableaddr = (u16 *)&vlanmc_priv;
-
-       addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
-       err = rtl8366_smi_read_reg(smi, addr, &data);
-       if (err)
-               return err;
-
-       *tableaddr = data;
-       tableaddr++;
-
-       addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
-       err = rtl8366_smi_read_reg(smi, addr, &data);
-       if (err)
-               return err;
-
-       *tableaddr = data;
+       for (i = 0; i < 2; i++) {
+               err = rtl8366_smi_read_reg(smi,
+                                          RTL8366S_VLAN_MC_BASE(index) + i,
+                                          &data[i]);
+               if (err)
+                       return err;
+       }
 
-       vlanmc->vid = vlanmc_priv.vid;
-       vlanmc->priority = vlanmc_priv.priority;
-       vlanmc->untag = vlanmc_priv.untag;
-       vlanmc->member = vlanmc_priv.member;
-       vlanmc->fid = vlanmc_priv.fid;
+       vlanmc->vid = data[0] & RTL8366S_VLAN_VID_MASK;
+       vlanmc->priority = (data[0] >> RTL8366S_VLAN_PRIORITY_SHIFT) &
+                          RTL8366S_VLAN_PRIORITY_MASK;
+       vlanmc->untag = (data[1] >> RTL8366S_VLAN_UNTAG_SHIFT) &
+                       RTL8366S_VLAN_UNTAG_MASK;
+       vlanmc->member = data[1] & RTL8366S_VLAN_MEMBER_MASK;
+       vlanmc->fid = (data[1] >> RTL8366S_VLAN_FID_SHIFT) &
+                     RTL8366S_VLAN_FID_MASK;
 
        return 0;
 }
@@ -589,11 +516,9 @@ static int rtl8366s_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
                                const struct rtl8366_vlan_mc *vlanmc)
 {
-       struct rtl8366s_vlan_mc vlanmc_priv;
+       u32 data[2];
        int err;
-       u32 addr;
-       u32 data;
-       u16 *tableaddr;
+       int i;
 
        if (index >= RTL8366S_NUM_VLANS ||
            vlanmc->vid >= RTL8366S_NUM_VIDS ||
@@ -603,29 +528,22 @@ static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
            vlanmc->fid > RTL8366S_FIDMAX)
                return -EINVAL;
 
-       vlanmc_priv.vid = vlanmc->vid;
-       vlanmc_priv.priority = vlanmc->priority;
-       vlanmc_priv.untag = vlanmc->untag;
-       vlanmc_priv.member = vlanmc->member;
-       vlanmc_priv.fid = vlanmc->fid;
-
-       addr = RTL8366S_VLAN_MEMCONF_BASE + (index << 1);
-
-       tableaddr = (u16 *)&vlanmc_priv;
-       data = *tableaddr;
-
-       err = rtl8366_smi_write_reg(smi, addr, data);
-       if (err)
-               return err;
-
-       addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index << 1);
-
-       tableaddr++;
-       data = *tableaddr;
-
-       err = rtl8366_smi_write_reg(smi, addr, data);
-       if (err)
-               return err;
+       data[0] = (vlanmc->vid & RTL8366S_VLAN_VID_MASK) |
+                 ((vlanmc->priority & RTL8366S_VLAN_PRIORITY_MASK) <<
+                       RTL8366S_VLAN_PRIORITY_SHIFT);
+       data[1] = (vlanmc->member & RTL8366S_VLAN_MEMBER_MASK) |
+                 ((vlanmc->untag & RTL8366S_VLAN_UNTAG_MASK) <<
+                       RTL8366S_VLAN_UNTAG_SHIFT) |
+                 ((vlanmc->fid & RTL8366S_VLAN_FID_MASK) <<
+                       RTL8366S_VLAN_FID_SHIFT);
+
+       for (i = 0; i < 2; i++) {
+               err = rtl8366_smi_write_reg(smi,
+                                           RTL8366S_VLAN_MC_BASE(index) + i,
+                                           data[i]);
+               if (err)
+                       return err;
+       }
 
        return 0;
 }
@@ -661,175 +579,10 @@ static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index)
                                        RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 }
 
-static int rtl8366s_set_vlan(struct rtl8366_smi *smi, int vid, u32 member,
-                            u32 untag, u32 fid)
-{
-       struct rtl8366_vlan_4k vlan4k;
-       int err;
-       int i;
-
-       /* Update the 4K table */
-       err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
-       if (err)
-               return err;
-
-       vlan4k.member = member;
-       vlan4k.untag = untag;
-       vlan4k.fid = fid;
-       err = smi->ops->set_vlan_4k(smi, &vlan4k);
-       if (err)
-               return err;
-
-       /* Try to find an existing MC entry for this VID */
-       for (i = 0; i < smi->num_vlan_mc; i++) {
-               struct rtl8366_vlan_mc vlanmc;
-
-               err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
-               if (err)
-                       return err;
-
-               if (vid == vlanmc.vid) {
-                       /* update the MC entry */
-                       vlanmc.member = member;
-                       vlanmc.untag = untag;
-                       vlanmc.fid = fid;
-
-                       err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
-                       break;
-               }
-       }
-
-       return err;
-}
-
-static int rtl8366s_get_pvid(struct rtl8366_smi *smi, int port, int *val)
-{
-       struct rtl8366_vlan_mc vlanmc;
-       int err;
-       int index;
-
-       err = smi->ops->get_mc_index(smi, port, &index);
-       if (err)
-               return err;
-
-       err = smi->ops->get_vlan_mc(smi, index, &vlanmc);
-       if (err)
-               return err;
-
-       *val = vlanmc.vid;
-       return 0;
-}
-
-static int rtl8366s_mc_is_used(struct rtl8366_smi *smi, int mc_index,
-                              int *used)
-{
-       int err;
-       int i;
-
-       *used = 0;
-       for (i = 0; i < smi->num_ports; i++) {
-               int index = 0;
-
-               err = smi->ops->get_mc_index(smi, i, &index);
-               if (err)
-                       return err;
-
-               if (mc_index == index) {
-                       *used = 1;
-                       break;
-               }
-       }
-
-       return 0;
-}
-
-static int rtl8366s_set_pvid(struct rtl8366_smi *smi, unsigned port,
-                            unsigned vid)
-{
-       struct rtl8366_vlan_mc vlanmc;
-       struct rtl8366_vlan_4k vlan4k;
-       int err;
-       int i;
-
-       /* Try to find an existing MC entry for this VID */
-       for (i = 0; i < smi->num_vlan_mc; i++) {
-               err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
-               if (err)
-                       return err;
-
-               if (vid == vlanmc.vid) {
-                       err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
-                       if (err)
-                               return err;
-
-                       err = smi->ops->set_mc_index(smi, port, i);
-                       return err;
-               }
-       }
-
-       /* We have no MC entry for this VID, try to find an empty one */
-       for (i = 0; i < smi->num_vlan_mc; i++) {
-               err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
-               if (err)
-                       return err;
-
-               if (vlanmc.vid == 0 && vlanmc.member == 0) {
-                       /* Update the entry from the 4K table */
-                       err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
-                       if (err)
-                               return err;
-
-                       vlanmc.vid = vid;
-                       vlanmc.member = vlan4k.member;
-                       vlanmc.untag = vlan4k.untag;
-                       vlanmc.fid = vlan4k.fid;
-                       err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
-                       if (err)
-                               return err;
-
-                       err = smi->ops->set_mc_index(smi, port, i);
-                       return err;
-               }
-       }
-
-       /* MC table is full, try to find an unused entry and replace it */
-       for (i = 0; i < smi->num_vlan_mc; i++) {
-               int used;
-
-               err = rtl8366s_mc_is_used(smi, i, &used);
-               if (err)
-                       return err;
-
-               if (!used) {
-                       /* Update the entry from the 4K table */
-                       err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
-                       if (err)
-                               return err;
-
-                       vlanmc.vid = vid;
-                       vlanmc.member = vlan4k.member;
-                       vlanmc.untag = vlan4k.untag;
-                       vlanmc.fid = vlan4k.fid;
-                       err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
-                       if (err)
-                               return err;
-
-                       err = smi->ops->set_mc_index(smi, port, i);
-                       return err;
-               }
-       }
-
-       dev_err(smi->parent,
-               "all VLAN member configurations are in use\n");
-
-       return -ENOSPC;
-}
-
 static int rtl8366s_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
 {
-       return rtl8366_smi_rmwr(smi, RTL8366S_CHIP_GLOBAL_CTRL_REG,
-                               RTL8366S_CHIP_CTRL_VLAN,
-                               (enable) ? RTL8366S_CHIP_CTRL_VLAN : 0);
+       return rtl8366_smi_rmwr(smi, RTL8366S_SGCR, RTL8366S_SGCR_EN_VLAN,
+                               (enable) ? RTL8366S_SGCR_EN_VLAN : 0);
 }
 
 static int rtl8366s_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
@@ -838,264 +591,13 @@ static int rtl8366s_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
                                1, (enable) ? 1 : 0);
 }
 
-static int rtl8366s_reset_vlan(struct rtl8366_smi *smi)
-{
-       struct rtl8366_vlan_mc vlanmc;
-       int err;
-       int i;
-
-       /* clear VLAN member configurations */
-       vlanmc.vid = 0;
-       vlanmc.priority = 0;
-       vlanmc.member = 0;
-       vlanmc.untag = 0;
-       vlanmc.fid = 0;
-       for (i = 0; i < smi->num_vlan_mc; i++) {
-               err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
-               if (err)
-                       return err;
-       }
-
-       for (i = 0; i < smi->num_ports; i++) {
-               if (i == smi->cpu_port)
-                       continue;
-
-               err = rtl8366s_set_vlan(smi, (i + 1),
-                                        (1 << i) | (1 << smi->cpu_port),
-                                        (1 << i) | (1 << smi->cpu_port),
-                                        0);
-               if (err)
-                       return err;
-
-               err = rtl8366s_set_pvid(smi, i, (i + 1));
-               if (err)
-                       return err;
-       }
-
-       return 0;
-}
-
-#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
-static int rtl8366s_debugfs_open(struct inode *inode, struct file *file)
-{
-       file->private_data = inode->i_private;
-       return 0;
-}
-
-static ssize_t rtl8366s_read_debugfs_mibs(struct file *file,
-                                         char __user *user_buf,
-                                         size_t count, loff_t *ppos)
-{
-       struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
-       struct rtl8366_smi *smi = &rtl->smi;
-       int i, j, len = 0;
-       char *buf = rtl->buf;
-
-       len += snprintf(buf + len, sizeof(rtl->buf) - len,
-                       "%-36s %12s %12s %12s %12s %12s %12s\n",
-                       "Counter",
-                       "Port 0", "Port 1", "Port 2",
-                       "Port 3", "Port 4", "Port 5");
-
-       for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
-               len += snprintf(buf + len, sizeof(rtl->buf) - len, "%-36s ",
-                               rtl8366s_mib_counters[i].name);
-               for (j = 0; j < RTL8366S_NUM_PORTS; ++j) {
-                       unsigned long long counter = 0;
-
-                       if (!rtl8366_get_mib_counter(smi, i, j, &counter))
-                               len += snprintf(buf + len,
-                                               sizeof(rtl->buf) - len,
-                                               "%12llu ", counter);
-                       else
-                               len += snprintf(buf + len,
-                                               sizeof(rtl->buf) - len,
-                                               "%12s ", "error");
-               }
-               len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
-       }
-
-       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static ssize_t rtl8366s_read_debugfs_vlan_mc(struct file *file,
-                                            char __user *user_buf,
-                                            size_t count, loff_t *ppos)
-{
-       struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
-       struct rtl8366_smi *smi = &rtl->smi;
-       int i, len = 0;
-       char *buf = rtl->buf;
-
-       len += snprintf(buf + len, sizeof(rtl->buf) - len,
-                       "%2s %6s %4s %6s %6s %3s\n",
-                       "id", "vid","prio", "member", "untag", "fid");
-
-       for (i = 0; i < RTL8366S_NUM_VLANS; ++i) {
-               struct rtl8366_vlan_mc vlanmc;
-
-               rtl8366s_get_vlan_mc(smi, i, &vlanmc);
-
-               len += snprintf(buf + len, sizeof(rtl->buf) - len,
-                               "%2d %6d %4d 0x%04x 0x%04x %3d\n",
-                               i, vlanmc.vid, vlanmc.priority,
-                               vlanmc.member, vlanmc.untag, vlanmc.fid);
-       }
-
-       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static ssize_t rtl8366s_read_debugfs_reg(struct file *file,
-                                        char __user *user_buf,
-                                        size_t count, loff_t *ppos)
-{
-       struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
-       struct rtl8366_smi *smi = &rtl->smi;
-       u32 t, reg = g_dbg_reg;
-       int err, len = 0;
-       char *buf = rtl->buf;
-
-       memset(buf, '\0', sizeof(rtl->buf));
-
-       err = rtl8366_smi_read_reg(smi, reg, &t);
-       if (err) {
-               len += snprintf(buf, sizeof(rtl->buf),
-                               "Read failed (reg: 0x%04x)\n", reg);
-               return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-       }
-
-       len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n",
-                       reg, t);
-
-       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static ssize_t rtl8366s_write_debugfs_reg(struct file *file,
-                                         const char __user *user_buf,
-                                         size_t count, loff_t *ppos)
-{
-       struct rtl8366s *rtl = (struct rtl8366s *)file->private_data;
-       struct rtl8366_smi *smi = &rtl->smi;
-       unsigned long data;
-       u32 reg = g_dbg_reg;
-       int err;
-       size_t len;
-       char *buf = rtl->buf;
-
-       len = min(count, sizeof(rtl->buf) - 1);
-       if (copy_from_user(buf, user_buf, len)) {
-               dev_err(rtl->parent, "copy from user failed\n");
-               return -EFAULT;
-       }
-
-       buf[len] = '\0';
-       if (len > 0 && buf[len - 1] == '\n')
-               buf[len - 1] = '\0';
-
-
-       if (strict_strtoul(buf, 16, &data)) {
-               dev_err(rtl->parent, "Invalid reg value %s\n", buf);
-       } else {
-               err = rtl8366_smi_write_reg(smi, reg, data);
-               if (err) {
-                       dev_err(rtl->parent,
-                               "writing reg 0x%04x val 0x%04lx failed\n",
-                               reg, data);
-               }
-       }
-
-       return count;
-}
-
-static const struct file_operations fops_rtl8366s_regs = {
-       .read = rtl8366s_read_debugfs_reg,
-       .write = rtl8366s_write_debugfs_reg,
-       .open = rtl8366s_debugfs_open,
-       .owner = THIS_MODULE
-};
-
-static const struct file_operations fops_rtl8366s_vlan_mc = {
-       .read = rtl8366s_read_debugfs_vlan_mc,
-       .open = rtl8366s_debugfs_open,
-       .owner = THIS_MODULE
-};
-
-static const struct file_operations fops_rtl8366s_mibs = {
-       .read = rtl8366s_read_debugfs_mibs,
-       .open = rtl8366s_debugfs_open,
-       .owner = THIS_MODULE
-};
-
-static void rtl8366s_debugfs_init(struct rtl8366s *rtl)
-{
-       struct dentry *node;
-       struct dentry *root;
-
-       if (!rtl->debugfs_root)
-               rtl->debugfs_root = debugfs_create_dir("rtl8366s", NULL);
-
-       if (!rtl->debugfs_root) {
-               dev_err(rtl->parent, "Unable to create debugfs dir\n");
-               return;
-       }
-       root = rtl->debugfs_root;
-
-       node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &g_dbg_reg);
-       if (!node) {
-               dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
-                       "reg");
-               return;
-       }
-
-       node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
-                                  &fops_rtl8366s_regs);
-       if (!node) {
-               dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
-                       "val");
-               return;
-       }
-
-       node = debugfs_create_file("vlan_mc", S_IRUSR, root, rtl,
-                                  &fops_rtl8366s_vlan_mc);
-       if (!node) {
-               dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
-                       "vlan_mc");
-               return;
-       }
-
-       node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
-                                  &fops_rtl8366s_mibs);
-       if (!node) {
-               dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
-                       "mibs");
-               return;
-       }
-}
-
-static void rtl8366s_debugfs_remove(struct rtl8366s *rtl)
-{
-       if (rtl->debugfs_root) {
-               debugfs_remove_recursive(rtl->debugfs_root);
-               rtl->debugfs_root = NULL;
-       }
-}
-
-#else
-static inline void rtl8366s_debugfs_init(struct rtl8366s *rtl) {}
-static inline void rtl8366s_debugfs_remove(struct rtl8366s *rtl) {}
-#endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
-
 static int rtl8366s_sw_reset_mibs(struct switch_dev *dev,
                                  const struct switch_attr *attr,
                                  struct switch_val *val)
 {
        struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
-       int err = 0;
-
-       if (val->value.i == 1)
-               err = rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
 
-       return err;
+       return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
 }
 
 static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev,
@@ -1106,9 +608,9 @@ static int rtl8366s_sw_get_vlan_enable(struct switch_dev *dev,
        u32 data;
 
        if (attr->ofs == 1) {
-               rtl8366_smi_read_reg(smi, RTL8366S_CHIP_GLOBAL_CTRL_REG, &data);
+               rtl8366_smi_read_reg(smi, RTL8366S_SGCR, &data);
 
-               if (data & RTL8366S_CHIP_CTRL_VLAN)
+               if (data & RTL8366S_SGCR_EN_VLAN)
                        val->value.i = 1;
                else
                        val->value.i = 0;
@@ -1182,14 +684,13 @@ static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
                                     const struct switch_attr *attr,
                                     struct switch_val *val)
 {
-       struct rtl8366s *rtl = sw_to_rtl8366s(dev);
-       struct rtl8366_smi *smi = &rtl->smi;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
        u32 len = 0, data = 0;
 
        if (val->port_vlan >= RTL8366S_NUM_PORTS)
                return -EINVAL;
 
-       memset(rtl->buf, '\0', sizeof(rtl->buf));
+       memset(smi->buf, '\0', sizeof(smi->buf));
        rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
                             (val->port_vlan / 2), &data);
 
@@ -1197,7 +698,7 @@ static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
                data = data >> 8;
 
        if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
-               len = snprintf(rtl->buf, sizeof(rtl->buf),
+               len = snprintf(smi->buf, sizeof(smi->buf),
                                "port:%d link:up speed:%s %s-duplex %s%s%s",
                                val->port_vlan,
                                rtl8366s_speed_str(data &
@@ -1211,11 +712,11 @@ static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
                                (data & RTL8366S_PORT_STATUS_AN_MASK) ?
                                        "nway ": "");
        } else {
-               len = snprintf(rtl->buf, sizeof(rtl->buf), "port:%d link: down",
+               len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
                                val->port_vlan);
        }
 
-       val->value.s = rtl->buf;
+       val->value.s = smi->buf;
        val->len = len;
 
        return 0;
@@ -1228,32 +729,31 @@ static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev,
        int i;
        u32 len = 0;
        struct rtl8366_vlan_4k vlan4k;
-       struct rtl8366s *rtl = sw_to_rtl8366s(dev);
-       struct rtl8366_smi *smi = &rtl->smi;
-       char *buf = rtl->buf;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       char *buf = smi->buf;
        int err;
 
        if (val->port_vlan == 0 || val->port_vlan >= RTL8366S_NUM_VLANS)
                return -EINVAL;
 
-       memset(buf, '\0', sizeof(rtl->buf));
+       memset(buf, '\0', sizeof(smi->buf));
 
        err = rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k);
        if (err)
                return err;
 
-       len += snprintf(buf + len, sizeof(rtl->buf) - len,
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
                        "VLAN %d: Ports: '", vlan4k.vid);
 
        for (i = 0; i < RTL8366S_NUM_PORTS; i++) {
                if (!(vlan4k.member & (1 << i)))
                        continue;
 
-               len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d%s", i,
+               len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
                                (vlan4k.untag & (1 << i)) ? "" : "t");
        }
 
-       len += snprintf(buf + len, sizeof(rtl->buf) - len,
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
                        "', members=%04x, untag=%04x, fid=%u",
                        vlan4k.member, vlan4k.untag, vlan4k.fid);
 
@@ -1323,27 +823,27 @@ static int rtl8366s_sw_get_port_mib(struct switch_dev *dev,
                                    const struct switch_attr *attr,
                                    struct switch_val *val)
 {
-       struct rtl8366s *rtl = sw_to_rtl8366s(dev);
-       struct rtl8366_smi *smi = &rtl->smi;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
        int i, len = 0;
        unsigned long long counter = 0;
-       char *buf = rtl->buf;
+       char *buf = smi->buf;
 
-       if (val->port_vlan >= RTL8366S_NUM_PORTS)
+       if (val->port_vlan >= smi->num_ports)
                return -EINVAL;
 
-       len += snprintf(buf + len, sizeof(rtl->buf) - len,
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
                        "Port %d MIB counters\n",
                        val->port_vlan);
 
-       for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
-               len += snprintf(buf + len, sizeof(rtl->buf) - len,
-                               "%-36s: ", rtl8366s_mib_counters[i].name);
-               if (!rtl8366_get_mib_counter(smi, i, val->port_vlan, &counter))
-                       len += snprintf(buf + len, sizeof(rtl->buf) - len,
+       for (i = 0; i < smi->num_mib_counters; ++i) {
+               len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "%-36s: ", smi->mib_counters[i].name);
+               if (!smi->ops->get_mib_counter(smi, i, val->port_vlan,
+                                              &counter))
+                       len += snprintf(buf + len, sizeof(smi->buf) - len,
                                        "%llu\n", counter);
                else
-                       len += snprintf(buf + len, sizeof(rtl->buf) - len,
+                       len += snprintf(buf + len, sizeof(smi->buf) - len,
                                        "%s\n", "error");
        }
 
@@ -1400,19 +900,7 @@ static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
                        untag |= BIT(port->id);
        }
 
-       return rtl8366s_set_vlan(smi, val->port_vlan, member, untag, 0);
-}
-
-static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
-{
-       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
-       return rtl8366s_get_pvid(smi, port, val);
-}
-
-static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
-{
-       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
-       return rtl8366s_set_pvid(smi, port, val);
+       return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
 }
 
 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
@@ -1428,7 +916,7 @@ static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
        if (err)
                return err;
 
-       return rtl8366s_reset_vlan(smi);
+       return rtl8366_reset_vlan(smi);
 }
 
 static struct switch_attr rtl8366s_globals[] = {
@@ -1449,12 +937,10 @@ static struct switch_attr rtl8366s_globals[] = {
                .max = 1,
                .ofs = 2
        }, {
-               .type = SWITCH_TYPE_INT,
+               .type = SWITCH_TYPE_NOVAL,
                .name = "reset_mibs",
                .description = "Reset all MIB counters",
                .set = rtl8366s_sw_reset_mibs,
-               .get = NULL,
-               .max = 1
        }, {
                .type = SWITCH_TYPE_INT,
                .name = "blinkrate",
@@ -1475,12 +961,10 @@ static struct switch_attr rtl8366s_port[] = {
                .set = NULL,
                .get = rtl8366s_sw_get_port_link,
        }, {
-               .type = SWITCH_TYPE_INT,
+               .type = SWITCH_TYPE_NOVAL,
                .name = "reset_mib",
                .description = "Reset single port MIB counters",
-               .max = 1,
                .set = rtl8366s_sw_reset_port_mibs,
-               .get = NULL,
        }, {
                .type = SWITCH_TYPE_STRING,
                .name = "mib",
@@ -1530,30 +1014,30 @@ static struct switch_dev rtl8366_switch_dev = {
 
        .get_vlan_ports = rtl8366s_sw_get_vlan_ports,
        .set_vlan_ports = rtl8366s_sw_set_vlan_ports,
-       .get_port_pvid = rtl8366s_sw_get_port_pvid,
-       .set_port_pvid = rtl8366s_sw_set_port_pvid,
+       .get_port_pvid = rtl8366_sw_get_port_pvid,
+       .set_port_pvid = rtl8366_sw_set_port_pvid,
        .reset_switch = rtl8366s_sw_reset_switch,
 };
 
-static int rtl8366s_switch_init(struct rtl8366s *rtl)
+static int rtl8366s_switch_init(struct rtl8366_smi *smi)
 {
-       struct switch_dev *dev = &rtl->dev;
+       struct switch_dev *dev = &smi->sw_dev;
        int err;
 
        memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
-       dev->priv = rtl;
-       dev->devname = dev_name(rtl->parent);
+       dev->priv = smi;
+       dev->devname = dev_name(smi->parent);
 
        err = register_switch(dev, NULL);
        if (err)
-               dev_err(rtl->parent, "switch registration failed\n");
+               dev_err(smi->parent, "switch registration failed\n");
 
        return err;
 }
 
-static void rtl8366s_switch_cleanup(struct rtl8366s *rtl)
+static void rtl8366s_switch_cleanup(struct rtl8366_smi *smi)
 {
-       unregister_switch(&rtl->dev);
+       unregister_switch(&smi->sw_dev);
 }
 
 static int rtl8366s_mii_read(struct mii_bus *bus, int addr, int reg)
@@ -1588,13 +1072,10 @@ static int rtl8366s_mii_bus_match(struct mii_bus *bus)
                bus->write == rtl8366s_mii_write);
 }
 
-static int rtl8366s_setup(struct rtl8366s *rtl)
+static int rtl8366s_setup(struct rtl8366_smi *smi)
 {
-       struct rtl8366_smi *smi = &rtl->smi;
        int ret;
 
-       rtl8366s_debugfs_init(rtl);
-
        ret = rtl8366s_reset_chip(smi);
        if (ret)
                return ret;
@@ -1638,6 +1119,8 @@ static int rtl8366s_detect(struct rtl8366_smi *smi)
 
 static struct rtl8366_smi_ops rtl8366s_smi_ops = {
        .detect         = rtl8366s_detect,
+       .setup          = rtl8366s_setup,
+
        .mii_read       = rtl8366s_mii_read,
        .mii_write      = rtl8366s_mii_write,
 
@@ -1647,13 +1130,13 @@ static struct rtl8366_smi_ops rtl8366s_smi_ops = {
        .set_vlan_4k    = rtl8366s_set_vlan_4k,
        .get_mc_index   = rtl8366s_get_mc_index,
        .set_mc_index   = rtl8366s_set_mc_index,
+       .get_mib_counter = rtl8366_get_mib_counter,
 };
 
 static int __init rtl8366s_probe(struct platform_device *pdev)
 {
        static int rtl8366_smi_version_printed;
        struct rtl8366s_platform_data *pdata;
-       struct rtl8366s *rtl;
        struct rtl8366_smi *smi;
        int err;
 
@@ -1668,35 +1151,28 @@ static int __init rtl8366s_probe(struct platform_device *pdev)
                goto err_out;
        }
 
-       rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
-       if (!rtl) {
-               dev_err(&pdev->dev, "no memory for private data\n");
+       smi = rtl8366_smi_alloc(&pdev->dev);
+       if (!smi) {
                err = -ENOMEM;
                goto err_out;
        }
 
-       rtl->parent = &pdev->dev;
-
-       smi = &rtl->smi;
-       smi->parent = &pdev->dev;
        smi->gpio_sda = pdata->gpio_sda;
        smi->gpio_sck = pdata->gpio_sck;
        smi->ops = &rtl8366s_smi_ops;
        smi->cpu_port = RTL8366S_PORT_NUM_CPU;
        smi->num_ports = RTL8366S_NUM_PORTS;
        smi->num_vlan_mc = RTL8366S_NUM_VLANS;
+       smi->mib_counters = rtl8366s_mib_counters;
+       smi->num_mib_counters = ARRAY_SIZE(rtl8366s_mib_counters);
 
        err = rtl8366_smi_init(smi);
        if (err)
-               goto err_free_rtl;
-
-       platform_set_drvdata(pdev, rtl);
+               goto err_free_smi;
 
-       err = rtl8366s_setup(rtl);
-       if (err)
-               goto err_clear_drvdata;
+       platform_set_drvdata(pdev, smi);
 
-       err = rtl8366s_switch_init(rtl);
+       err = rtl8366s_switch_init(smi);
        if (err)
                goto err_clear_drvdata;
 
@@ -1705,8 +1181,8 @@ static int __init rtl8366s_probe(struct platform_device *pdev)
  err_clear_drvdata:
        platform_set_drvdata(pdev, NULL);
        rtl8366_smi_cleanup(smi);
- err_free_rtl:
-       kfree(rtl);
+ err_free_smi:
+       kfree(smi);
  err_out:
        return err;
 }
@@ -1739,14 +1215,13 @@ static struct phy_driver rtl8366s_phy_driver = {
 
 static int __devexit rtl8366s_remove(struct platform_device *pdev)
 {
-       struct rtl8366s *rtl = platform_get_drvdata(pdev);
+       struct rtl8366_smi *smi = platform_get_drvdata(pdev);
 
-       if (rtl) {
-               rtl8366s_switch_cleanup(rtl);
-               rtl8366s_debugfs_remove(rtl);
+       if (smi) {
+               rtl8366s_switch_cleanup(smi);
                platform_set_drvdata(pdev, NULL);
-               rtl8366_smi_cleanup(&rtl->smi);
-               kfree(rtl);
+               rtl8366_smi_cleanup(smi);
+               kfree(smi);
        }
 
        return 0;
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