ramips: don't read RAMIPS_RX_CALC_IDX0 register in the loop
[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366_smi.c
index bb2e3ba..e48ca99 100644 (file)
 #include <linux/gpio.h>
 #include <linux/spinlock.h>
 #include <linux/skbuff.h>
+#include <linux/rtl8366.h>
+
+#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
+#include <linux/debugfs.h>
+#endif
 
 #include "rtl8366_smi.h"
 
 #define RTL8366_SMI_ACK_RETRY_COUNT         5
-#define RTL8366_SMI_CLK_DELAY               10 /* nsec */
 
 static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi)
 {
-       ndelay(RTL8366_SMI_CLK_DELAY);
+       ndelay(smi->clk_delay);
 }
 
 static void rtl8366_smi_start(struct rtl8366_smi *smi)
@@ -138,8 +142,10 @@ static int rtl8366_smi_wait_for_ack(struct rtl8366_smi *smi)
                if (ack == 0)
                        break;
 
-               if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT)
-                       return -EIO;
+               if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT) {
+                       dev_err(smi->parent, "ACK timeout\n");
+                       return -ETIMEDOUT;
+               }
        } while (1);
 
        return 0;
@@ -151,6 +157,12 @@ static int rtl8366_smi_write_byte(struct rtl8366_smi *smi, u8 data)
        return rtl8366_smi_wait_for_ack(smi);
 }
 
+static int rtl8366_smi_write_byte_noack(struct rtl8366_smi *smi, u8 data)
+{
+       rtl8366_smi_write_bits(smi, data, 8);
+       return 0;
+}
+
 static int rtl8366_smi_read_byte0(struct rtl8366_smi *smi, u8 *data)
 {
        u32 t;
@@ -191,7 +203,7 @@ int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
        rtl8366_smi_start(smi);
 
        /* send READ command */
-       ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x01);
+       ret = rtl8366_smi_write_byte(smi, smi->cmd_read);
        if (ret)
                goto out;
 
@@ -222,7 +234,8 @@ int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg);
 
-int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
+static int __rtl8366_smi_write_reg(struct rtl8366_smi *smi,
+                                  u32 addr, u32 data, bool ack)
 {
        unsigned long flags;
        int ret;
@@ -232,7 +245,7 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
        rtl8366_smi_start(smi);
 
        /* send WRITE command */
-       ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x00);
+       ret = rtl8366_smi_write_byte(smi, smi->cmd_write);
        if (ret)
                goto out;
 
@@ -252,7 +265,10 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
                goto out;
 
        /* write DATA[15:8] */
-       ret = rtl8366_smi_write_byte(smi, data >> 8);
+       if (ack)
+               ret = rtl8366_smi_write_byte(smi, data >> 8);
+       else
+               ret = rtl8366_smi_write_byte_noack(smi, data >> 8);
        if (ret)
                goto out;
 
@@ -264,8 +280,19 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
 
        return ret;
 }
+
+int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
+{
+       return __rtl8366_smi_write_reg(smi, addr, data, true);
+}
 EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg);
 
+int rtl8366_smi_write_reg_noack(struct rtl8366_smi *smi, u32 addr, u32 data)
+{
+       return __rtl8366_smi_write_reg(smi, addr, data, false);
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg_noack);
+
 int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
 {
        u32 t;
@@ -281,6 +308,590 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
 
+static int rtl8366_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 rtl8366_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 rtl8366_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 rtl8366_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 = rtl8366_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;
+}
+
+int rtl8366_enable_vlan(struct rtl8366_smi *smi, int enable)
+{
+       int err;
+
+       err = smi->ops->enable_vlan(smi, enable);
+       if (err)
+               return err;
+
+       smi->vlan_enabled = enable;
+
+       if (!enable) {
+               smi->vlan4k_enabled = 0;
+               err = smi->ops->enable_vlan4k(smi, enable);
+       }
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(rtl8366_enable_vlan);
+
+static int rtl8366_enable_vlan4k(struct rtl8366_smi *smi, int enable)
+{
+       int err;
+
+       if (enable) {
+               err = smi->ops->enable_vlan(smi, enable);
+               if (err)
+                       return err;
+
+               smi->vlan_enabled = enable;
+       }
+
+       err = smi->ops->enable_vlan4k(smi, enable);
+       if (err)
+               return err;
+
+       smi->vlan4k_enabled = enable;
+       return 0;
+}
+
+int rtl8366_enable_all_ports(struct rtl8366_smi *smi, int enable)
+{
+       int port;
+       int err;
+
+       for (port = 0; port < smi->num_ports; port++) {
+               err = smi->ops->enable_port(smi, port, enable);
+               if (err)
+                       return err;
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_enable_all_ports);
+
+int rtl8366_reset_vlan(struct rtl8366_smi *smi)
+{
+       struct rtl8366_vlan_mc vlanmc;
+       int err;
+       int i;
+
+       rtl8366_enable_vlan(smi, 0);
+       rtl8366_enable_vlan4k(smi, 0);
+
+       /* 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;
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_reset_vlan);
+
+static int rtl8366_init_vlan(struct rtl8366_smi *smi)
+{
+       int port;
+       int err;
+
+       err = rtl8366_reset_vlan(smi);
+       if (err)
+               return err;
+
+       for (port = 0; port < smi->num_ports; port++) {
+               u32 mask;
+
+               if (port == smi->cpu_port)
+                       mask = (1 << smi->num_ports) - 1;
+               else
+                       mask = (1 << port) | (1 << smi->cpu_port);
+
+               err = rtl8366_set_vlan(smi, (port + 1), mask, mask, 0);
+               if (err)
+                       return err;
+
+               err = rtl8366_set_pvid(smi, port, (port + 1));
+               if (err)
+                       return err;
+       }
+
+       return rtl8366_enable_vlan(smi, 1);
+}
+
+#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
+int rtl8366_debugfs_open(struct inode *inode, struct file *file)
+{
+       file->private_data = inode->i_private;
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_debugfs_open);
+
+static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file,
+                                             char __user *user_buf,
+                                             size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       int i, len = 0;
+       char *buf = smi->buf;
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "%2s %6s %4s %6s %6s %3s\n",
+                       "id", "vid","prio", "member", "untag", "fid");
+
+       for (i = 0; i < smi->num_vlan_mc; ++i) {
+               struct rtl8366_vlan_mc vlanmc;
+
+               smi->ops->get_vlan_mc(smi, i, &vlanmc);
+
+               len += snprintf(buf + len, sizeof(smi->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);
+}
+
+#define RTL8366_VLAN4K_PAGE_SIZE       64
+#define RTL8366_VLAN4K_NUM_PAGES       (4096 / RTL8366_VLAN4K_PAGE_SIZE)
+
+static ssize_t rtl8366_read_debugfs_vlan_4k(struct file *file,
+                                           char __user *user_buf,
+                                           size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       int i, len = 0;
+       int offset;
+       char *buf = smi->buf;
+
+       if (smi->dbg_vlan_4k_page >= RTL8366_VLAN4K_NUM_PAGES) {
+               len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "invalid page: %u\n", smi->dbg_vlan_4k_page);
+               return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+       }
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "%4s %6s %6s %3s\n",
+                       "vid", "member", "untag", "fid");
+
+       offset = RTL8366_VLAN4K_PAGE_SIZE * smi->dbg_vlan_4k_page;
+       for (i = 0; i < RTL8366_VLAN4K_PAGE_SIZE; i++) {
+               struct rtl8366_vlan_4k vlan4k;
+
+               smi->ops->get_vlan_4k(smi, offset + i, &vlan4k);
+
+               len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "%4d 0x%04x 0x%04x %3d\n",
+                               vlan4k.vid, vlan4k.member,
+                               vlan4k.untag, vlan4k.fid);
+       }
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_read_debugfs_pvid(struct file *file,
+                                        char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       char *buf = smi->buf;
+       int len = 0;
+       int i;
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len, "%4s %4s\n",
+                       "port", "pvid");
+
+       for (i = 0; i < smi->num_ports; i++) {
+               int pvid;
+               int err;
+
+               err = rtl8366_get_pvid(smi, i, &pvid);
+               if (err)
+                       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "%4d error\n", i);
+               else
+                       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "%4d %4d\n", i, pvid);
+       }
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_read_debugfs_reg(struct file *file,
+                                        char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       u32 t, reg = smi->dbg_reg;
+       int err, len = 0;
+       char *buf = smi->buf;
+
+       memset(buf, '\0', sizeof(smi->buf));
+
+       err = rtl8366_smi_read_reg(smi, reg, &t);
+       if (err) {
+               len += snprintf(buf, sizeof(smi->buf),
+                               "Read failed (reg: 0x%04x)\n", reg);
+               return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+       }
+
+       len += snprintf(buf, sizeof(smi->buf), "reg = 0x%04x, val = 0x%04x\n",
+                       reg, t);
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_write_debugfs_reg(struct file *file,
+                                         const char __user *user_buf,
+                                         size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       unsigned long data;
+       u32 reg = smi->dbg_reg;
+       int err;
+       size_t len;
+       char *buf = smi->buf;
+
+       len = min(count, sizeof(smi->buf) - 1);
+       if (copy_from_user(buf, user_buf, len)) {
+               dev_err(smi->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(smi->parent, "Invalid reg value %s\n", buf);
+       } else {
+               err = rtl8366_smi_write_reg(smi, reg, data);
+               if (err) {
+                       dev_err(smi->parent,
+                               "writing reg 0x%04x val 0x%04lx failed\n",
+                               reg, data);
+               }
+       }
+
+       return count;
+}
+
+static ssize_t rtl8366_read_debugfs_mibs(struct file *file,
+                                        char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = file->private_data;
+       int i, j, len = 0;
+       char *buf = smi->buf;
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s",
+                       "Counter");
+
+       for (i = 0; i < smi->num_ports; i++) {
+               char port_buf[10];
+
+               snprintf(port_buf, sizeof(port_buf), "Port %d", i);
+               len += snprintf(buf + len, sizeof(smi->buf) - len, " %12s",
+                               port_buf);
+       }
+       len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
+
+       for (i = 0; i < smi->num_mib_counters; i++) {
+               len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s ",
+                               smi->mib_counters[i].name);
+               for (j = 0; j < smi->num_ports; j++) {
+                       unsigned long long counter = 0;
+
+                       if (!smi->ops->get_mib_counter(smi, i, j, &counter))
+                               len += snprintf(buf + len,
+                                               sizeof(smi->buf) - len,
+                                               "%12llu ", counter);
+                       else
+                               len += snprintf(buf + len,
+                                               sizeof(smi->buf) - len,
+                                               "%12s ", "error");
+               }
+               len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
+       }
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_rtl8366_regs = {
+       .read   = rtl8366_read_debugfs_reg,
+       .write  = rtl8366_write_debugfs_reg,
+       .open   = rtl8366_debugfs_open,
+       .owner  = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_vlan_mc = {
+       .read   = rtl8366_read_debugfs_vlan_mc,
+       .open   = rtl8366_debugfs_open,
+       .owner  = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_vlan_4k = {
+       .read   = rtl8366_read_debugfs_vlan_4k,
+       .open   = rtl8366_debugfs_open,
+       .owner  = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_pvid = {
+       .read   = rtl8366_read_debugfs_pvid,
+       .open   = rtl8366_debugfs_open,
+       .owner  = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_mibs = {
+       .read = rtl8366_read_debugfs_mibs,
+       .open = rtl8366_debugfs_open,
+       .owner = THIS_MODULE
+};
+
+static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
+{
+       struct dentry *node;
+       struct dentry *root;
+
+       if (!smi->debugfs_root)
+               smi->debugfs_root = debugfs_create_dir(dev_name(smi->parent),
+                                                      NULL);
+
+       if (!smi->debugfs_root) {
+               dev_err(smi->parent, "Unable to create debugfs dir\n");
+               return;
+       }
+       root = smi->debugfs_root;
+
+       node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root,
+                                 &smi->dbg_reg);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "reg");
+               return;
+       }
+
+       node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, smi,
+                                  &fops_rtl8366_regs);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "val");
+               return;
+       }
+
+       node = debugfs_create_file("vlan_mc", S_IRUSR, root, smi,
+                                  &fops_rtl8366_vlan_mc);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "vlan_mc");
+               return;
+       }
+
+       node = debugfs_create_u8("vlan_4k_page", S_IRUGO | S_IWUSR, root,
+                                 &smi->dbg_vlan_4k_page);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "vlan_4k_page");
+               return;
+       }
+
+       node = debugfs_create_file("vlan_4k", S_IRUSR, root, smi,
+                                  &fops_rtl8366_vlan_4k);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "vlan_4k");
+               return;
+       }
+
+       node = debugfs_create_file("pvid", S_IRUSR, root, smi,
+                                  &fops_rtl8366_pvid);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "pvid");
+               return;
+       }
+
+       node = debugfs_create_file("mibs", S_IRUSR, smi->debugfs_root, smi,
+                                  &fops_rtl8366_mibs);
+       if (!node)
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "mibs");
+}
+
+static void rtl8366_debugfs_remove(struct rtl8366_smi *smi)
+{
+       if (smi->debugfs_root) {
+               debugfs_remove_recursive(smi->debugfs_root);
+               smi->debugfs_root = NULL;
+       }
+}
+#else
+static inline void rtl8366_debugfs_init(struct rtl8366_smi *smi) {}
+static inline void rtl8366_debugfs_remove(struct rtl8366_smi *smi) {}
+#endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
+
 static int rtl8366_smi_mii_init(struct rtl8366_smi *smi)
 {
        int ret;
@@ -322,30 +933,339 @@ static void rtl8366_smi_mii_cleanup(struct rtl8366_smi *smi)
        mdiobus_free(smi->mii_bus);
 }
 
-int rtl8366_smi_init(struct rtl8366_smi *smi)
+int rtl8366_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       return rtl8366_get_pvid(smi, port, val);
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_port_pvid);
+
+int rtl8366_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       return rtl8366_set_pvid(smi, port, val);
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_set_port_pvid);
+
+int rtl8366_sw_get_port_mib(struct switch_dev *dev,
+                           const struct switch_attr *attr,
+                           struct switch_val *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       int i, len = 0;
+       unsigned long long counter = 0;
+       char *buf = smi->buf;
+
+       if (val->port_vlan >= smi->num_ports)
+               return -EINVAL;
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "Port %d MIB counters\n",
+                       val->port_vlan);
+
+       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(smi->buf) - len,
+                                       "%s\n", "error");
+       }
+
+       val->value.s = buf;
+       val->len = len;
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_port_mib);
+
+int rtl8366_sw_get_vlan_info(struct switch_dev *dev,
+                            const struct switch_attr *attr,
+                            struct switch_val *val)
 {
+       int i;
+       u32 len = 0;
+       struct rtl8366_vlan_4k vlan4k;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       char *buf = smi->buf;
        int err;
 
-       if (!smi->parent)
+       if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
                return -EINVAL;
 
-       if (!smi->ops)
+       memset(buf, '\0', sizeof(smi->buf));
+
+       err = smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
+       if (err)
+               return err;
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "VLAN %d: Ports: '", vlan4k.vid);
+
+       for (i = 0; i < smi->num_ports; i++) {
+               if (!(vlan4k.member & (1 << i)))
+                       continue;
+
+               len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
+                               (vlan4k.untag & (1 << i)) ? "" : "t");
+       }
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "', members=%04x, untag=%04x, fid=%u",
+                       vlan4k.member, vlan4k.untag, vlan4k.fid);
+
+       val->value.s = buf;
+       val->len = len;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_info);
+
+int rtl8366_sw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       struct switch_port *port;
+       struct rtl8366_vlan_4k vlan4k;
+       int i;
+
+       if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
                return -EINVAL;
 
-       err = gpio_request(smi->gpio_sda, dev_name(smi->parent));
+       smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
+
+       port = &val->value.ports[0];
+       val->len = 0;
+       for (i = 0; i < smi->num_ports; i++) {
+               if (!(vlan4k.member & BIT(i)))
+                       continue;
+
+               port->id = i;
+               port->flags = (vlan4k.untag & BIT(i)) ?
+                                       0 : BIT(SWITCH_PORT_FLAG_TAGGED);
+               val->len++;
+               port++;
+       }
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_ports);
+
+int rtl8366_sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       struct switch_port *port;
+       u32 member = 0;
+       u32 untag = 0;
+       int err;
+       int i;
+
+       if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
+               return -EINVAL;
+
+       port = &val->value.ports[0];
+       for (i = 0; i < val->len; i++, port++) {
+               member |= BIT(port->id);
+
+               if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
+                       untag |= BIT(port->id);
+
+               /*
+                * To ensure that we have a valid MC entry for this VLAN,
+                * initialize the port VLAN ID here.
+                */
+               err = rtl8366_set_pvid(smi, port->id, val->port_vlan);
+               if (err < 0)
+                       return err;
+       }
+
+       return rtl8366_set_vlan(smi, val->port_vlan, member, untag, 0);
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_set_vlan_ports);
+
+int rtl8366_sw_get_vlan_fid(struct switch_dev *dev,
+                           const struct switch_attr *attr,
+                           struct switch_val *val)
+{
+       struct rtl8366_vlan_4k vlan4k;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       int err;
+
+       if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
+               return -EINVAL;
+
+       err = smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
+       if (err)
+               return err;
+
+       val->value.i = vlan4k.fid;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_fid);
+
+int rtl8366_sw_set_vlan_fid(struct switch_dev *dev,
+                           const struct switch_attr *attr,
+                           struct switch_val *val)
+{
+       struct rtl8366_vlan_4k vlan4k;
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       int err;
+
+       if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
+               return -EINVAL;
+
+       if (val->value.i < 0 || val->value.i > attr->max)
+               return -EINVAL;
+
+       err = smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
+       if (err)
+               return err;
+
+       return rtl8366_set_vlan(smi, val->port_vlan,
+                               vlan4k.member,
+                               vlan4k.untag,
+                               val->value.i);
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_set_vlan_fid);
+
+int rtl8366_sw_get_vlan_enable(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+
+       if (attr->ofs > 2)
+               return -EINVAL;
+
+       if (attr->ofs == 1)
+               val->value.i = smi->vlan_enabled;
+       else
+               val->value.i = smi->vlan4k_enabled;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_enable);
+
+int rtl8366_sw_set_vlan_enable(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+       int err;
+
+       if (attr->ofs > 2)
+               return -EINVAL;
+
+       if (attr->ofs == 1)
+               err = rtl8366_enable_vlan(smi, val->value.i);
+       else
+               err = rtl8366_enable_vlan4k(smi, val->value.i);
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_set_vlan_enable);
+
+struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent)
+{
+       struct rtl8366_smi *smi;
+
+       BUG_ON(!parent);
+
+       smi = kzalloc(sizeof(*smi), GFP_KERNEL);
+       if (!smi) {
+               dev_err(parent, "no memory for private data\n");
+               return NULL;
+       }
+
+       smi->parent = parent;
+       return smi;
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_alloc);
+
+static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
+{
+       int err;
+
+       err = gpio_request(smi->gpio_sda, name);
        if (err) {
-               dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
+               printk(KERN_ERR "rtl8366_smi: gpio_request failed for %u, err=%d\n",
                        smi->gpio_sda, err);
                goto err_out;
        }
 
-       err = gpio_request(smi->gpio_sck, dev_name(smi->parent));
+       err = gpio_request(smi->gpio_sck, name);
        if (err) {
-               dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
+               printk(KERN_ERR "rtl8366_smi: gpio_request failed for %u, err=%d\n",
                        smi->gpio_sck, err);
                goto err_free_sda;
        }
 
+       spin_lock_init(&smi->lock);
+       return 0;
+
+ err_free_sda:
+       gpio_free(smi->gpio_sda);
+ err_out:
+       return err;
+}
+
+static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi)
+{
+       gpio_free(smi->gpio_sck);
+       gpio_free(smi->gpio_sda);
+}
+
+enum rtl8366_type rtl8366_smi_detect(struct rtl8366_platform_data *pdata)
+{
+       static struct rtl8366_smi smi;
+       enum rtl8366_type type = RTL8366_TYPE_UNKNOWN;
+       u32 reg = 0;
+
+       memset(&smi, 0, sizeof(smi));
+       smi.gpio_sda = pdata->gpio_sda;
+       smi.gpio_sck = pdata->gpio_sck;
+       smi.clk_delay = 10;
+       smi.cmd_read  = 0xa9;
+       smi.cmd_write = 0xa8;
+
+       if (__rtl8366_smi_init(&smi, "rtl8366"))
+               goto out;
+
+       if (rtl8366_smi_read_reg(&smi, 0x5c, &reg))
+               goto cleanup;
+
+       switch(reg) {
+       case 0x6027:
+               printk("Found an RTL8366S switch\n");
+               type = RTL8366_TYPE_S;
+               break;
+       case 0x5937:
+               printk("Found an RTL8366RB switch\n");
+               type = RTL8366_TYPE_RB;
+               break;
+       default:
+               printk("Found an Unknown RTL8366 switch (id=0x%04x)\n", reg);
+               break;
+       }
+
+cleanup:
+       __rtl8366_smi_cleanup(&smi);
+out:
+       return type;
+}
+
+int rtl8366_smi_init(struct rtl8366_smi *smi)
+{
+       int err;
+
+       if (!smi->ops)
+               return -EINVAL;
+
+       err = __rtl8366_smi_init(smi, dev_name(smi->parent));
+       if (err)
+               goto err_out;
+
        spin_lock_init(&smi->lock);
 
        dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n",
@@ -357,16 +1277,33 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
                goto err_free_sck;
        }
 
+       err = smi->ops->setup(smi);
+       if (err) {
+               dev_err(smi->parent, "chip setup failed, err=%d\n", err);
+               goto err_free_sck;
+       }
+
+       err = rtl8366_init_vlan(smi);
+       if (err) {
+               dev_err(smi->parent, "VLAN initialization failed, err=%d\n",
+                       err);
+               goto err_free_sck;
+       }
+
+       err = rtl8366_enable_all_ports(smi, 1);
+       if (err)
+               goto err_free_sck;
+
        err = rtl8366_smi_mii_init(smi);
        if (err)
                goto err_free_sck;
 
+       rtl8366_debugfs_init(smi);
+
        return 0;
 
  err_free_sck:
-       gpio_free(smi->gpio_sck);
- err_free_sda:
-       gpio_free(smi->gpio_sda);
+       __rtl8366_smi_cleanup(smi);
  err_out:
        return err;
 }
@@ -374,6 +1311,7 @@ EXPORT_SYMBOL_GPL(rtl8366_smi_init);
 
 void rtl8366_smi_cleanup(struct rtl8366_smi *smi)
 {
+       rtl8366_debugfs_remove(smi);
        rtl8366_smi_mii_cleanup(smi);
        gpio_free(smi->gpio_sck);
        gpio_free(smi->gpio_sda);
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