X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Ffiles%2Fdrivers%2Fnet%2Fphy%2Frtl8366_smi.c;h=44074633e2a9e64babe1fdaa6e88ce9d581913fb;hb=d8678644f9b18f36bdd5e7825e09c65dfcd049dc;hp=bb2e3ba68f5da43dd9f02aa3c66a095c87c249a8;hpb=da1bb88a2b900f0392b731ec47c5e1bff956fd8f;p=lede.git

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index bb2e3ba68f..44074633e2 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -15,15 +15,24 @@
 #include <linux/gpio.h>
 #include <linux/spinlock.h>
 #include <linux/skbuff.h>
+#include <linux/of_platform.h>
+#include <linux/of_gpio.h>
+#include <linux/rtl8366.h>
+
+#ifdef CONFIG_RTL8366_SMI_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 */
+
+#define RTL8366_SMI_HW_STOP_DELAY		25	/* msecs */
+#define RTL8366_SMI_HW_START_DELAY		100	/* msecs */
 
 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 +147,10 @@ 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 +162,12 @@ 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 +208,7 @@ 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 +239,8 @@ 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 +250,7 @@ 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 +270,10 @@ 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 +285,19 @@ 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 +313,603 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
 
+static int rtl8366_reset(struct rtl8366_smi *smi)
+{
+	if (smi->hw_reset) {
+		smi->hw_reset(true);
+		msleep(RTL8366_SMI_HW_STOP_DELAY);
+		smi->hw_reset(false);
+		msleep(RTL8366_SMI_HW_START_DELAY);
+		return 0;
+	}
+
+	return smi->ops->reset_chip(smi);
+}
+
+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_RTL8366_SMI_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_RTL8366_SMI_DEBUG_FS */
+
 static int rtl8366_smi_mii_init(struct rtl8366_smi *smi)
 {
 	int ret;
@@ -322,32 +951,374 @@ 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_reset_switch(struct switch_dev *dev)
 {
+	struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
 	int err;
 
-	if (!smi->parent)
+	err = rtl8366_reset(smi);
+	if (err)
+		return err;
+
+	err = smi->ops->setup(smi);
+	if (err)
+		return err;
+
+	err = rtl8366_reset_vlan(smi);
+	if (err)
+		return err;
+
+	err = rtl8366_enable_vlan(smi, 1);
+	if (err)
+		return err;
+
+	return rtl8366_enable_all_ports(smi, 1);
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_reset_switch);
+
+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;
 
-	if (!smi->ops)
+	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->ops->is_vlan_valid(smi, val->port_vlan))
+		return -EINVAL;
+
+	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;
+
+	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;
 
-	err = gpio_request(smi->gpio_sda, dev_name(smi->parent));
+	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);
 
+	/* start the switch */
+	if (smi->hw_reset) {
+		smi->hw_reset(false);
+		msleep(RTL8366_SMI_HW_START_DELAY);
+	}
+
+	return 0;
+
+ err_free_sda:
+	gpio_free(smi->gpio_sda);
+ err_out:
+	return err;
+}
+
+static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi)
+{
+	if (smi->hw_reset)
+		smi->hw_reset(true);
+
+	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;
+
 	dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n",
 		 smi->gpio_sda, smi->gpio_sck);
 
@@ -357,16 +1328,37 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
 		goto err_free_sck;
 	}
 
+	err = rtl8366_reset(smi);
+	if (err)
+		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;
 }
@@ -374,12 +1366,77 @@ 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);
+	__rtl8366_smi_cleanup(smi);
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_cleanup);
 
+#ifdef CONFIG_OF
+int rtl8366_smi_probe_of(struct platform_device *pdev, struct rtl8366_smi *smi)
+{
+	int sck = of_get_named_gpio(pdev->dev.of_node, "gpio-sck", 0);
+	int sda = of_get_named_gpio(pdev->dev.of_node, "gpio-sda", 0);
+
+	if (!sck || !sda) {
+		dev_err(&pdev->dev, "gpios missing in devictree\n");
+		return -EINVAL;
+	}
+
+	smi->gpio_sda = sda;
+	smi->gpio_sck = sck;
+
+	return 0;
+}
+#else
+static inline int rtl8366_smi_probe_of(struct device_node *np, struct rtl8366_smi *smi)
+{
+	return -ENODEV;
+}
+#endif
+
+int rtl8366_smi_probe_plat(struct platform_device *pdev, struct rtl8366_smi *smi)
+{
+	struct rtl8366_platform_data *pdata = pdev->dev.platform_data;
+
+	if (!pdev->dev.platform_data) {
+		dev_err(&pdev->dev, "no platform data specified\n");
+		return -EINVAL;
+	}
+
+	smi->gpio_sda = pdata->gpio_sda;
+	smi->gpio_sck = pdata->gpio_sck;
+	smi->hw_reset = pdata->hw_reset;
+
+	return 0;
+}
+
+
+struct rtl8366_smi *rtl8366_smi_probe(struct platform_device *pdev)
+{
+	struct rtl8366_smi *smi;
+	int err;
+
+	smi = rtl8366_smi_alloc(&pdev->dev);
+	if (!smi)
+		return NULL;
+
+	if (pdev->dev.of_node)
+		err = rtl8366_smi_probe_of(pdev, smi);
+	else
+		err = rtl8366_smi_probe_plat(pdev, smi);
+
+	if (err)
+		goto free_smi;
+
+	return smi;
+
+free_smi:
+	kfree(smi);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_probe);
+
 MODULE_DESCRIPTION("Realtek RTL8366 SMI interface driver");
 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
 MODULE_LICENSE("GPL v2");