generic: rtl8366s: allow initial register values to be passed via platform_data
[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366_smi.c
index c7e0390..28e1a85 100644 (file)
@@ -307,8 +307,8 @@ static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
        return 0;
 }
 
-int rtl8366_set_vlan(struct rtl8366_smi *smi, int vid, u32 member, u32 untag,
-                    u32 fid)
+static int rtl8366_set_vlan(struct rtl8366_smi *smi, int vid, u32 member,
+                           u32 untag, u32 fid)
 {
        struct rtl8366_vlan_4k vlan4k;
        int err;
@@ -347,47 +347,8 @@ int rtl8366_set_vlan(struct rtl8366_smi *smi, int vid, u32 member, u32 untag,
 
        return err;
 }
-EXPORT_SYMBOL_GPL(rtl8366_set_vlan);
 
-int rtl8366_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 = rtl8366_set_vlan(smi, (i + 1),
-                                       (1 << i) | (1 << smi->cpu_port),
-                                       (1 << i) | (1 << smi->cpu_port),
-                                       0);
-               if (err)
-                       return err;
-
-               err = rtl8366_set_pvid(smi, i, (i + 1));
-               if (err)
-                       return err;
-       }
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(rtl8366_reset_vlan);
-
-int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val)
+static int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val)
 {
        struct rtl8366_vlan_mc vlanmc;
        int err;
@@ -404,9 +365,9 @@ int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val)
        *val = vlanmc.vid;
        return 0;
 }
-EXPORT_SYMBOL_GPL(rtl8366_get_pvid);
 
-int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port, unsigned vid)
+static int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port,
+                           unsigned vid)
 {
        struct rtl8366_vlan_mc vlanmc;
        struct rtl8366_vlan_4k vlan4k;
@@ -486,7 +447,114 @@ int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port, unsigned vid)
 
        return -ENOSPC;
 }
-EXPORT_SYMBOL_GPL(rtl8366_set_pvid);
+
+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)
@@ -522,6 +590,71 @@ static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file,
        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)
@@ -636,6 +769,18 @@ static const struct file_operations fops_rtl8366_vlan_mc = {
        .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,
@@ -681,6 +826,30 @@ static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
                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)
@@ -741,6 +910,239 @@ static void rtl8366_smi_mii_cleanup(struct rtl8366_smi *smi)
        mdiobus_free(smi->mii_bus);
 }
 
+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->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;
+
+       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;
@@ -796,6 +1198,17 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
                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;
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