generic: rtl8366: generealize rtl8366{s,rb}_sw_get_port_mib functions
[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366s.c
index 5672c42f758f70d50772f51c721b5c7a63c28701..b603c2336041b0cbf5bb6917143c094bbe02eb68 100644 (file)
@@ -15,7 +15,6 @@
 #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"
 #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_ALL_INTERNAL     (RTL8366S_PORT_UNKNOWN | \
                                         RTL8366S_PORT_CPU)
 
-struct rtl8366s {
-       struct device           *parent;
-       struct rtl8366_smi      smi;
-       struct switch_dev       dev;
-};
-
-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
 
 static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
        { 0,  0, 4, "IfInOctets"                                },
@@ -243,22 +224,6 @@ static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
                        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;
@@ -442,22 +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;
 
@@ -467,24 +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;
 }
@@ -492,10 +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 ||
@@ -503,27 +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,
@@ -535,39 +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;
 }
@@ -575,11 +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 ||
@@ -589,29 +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;
 }
@@ -896,17 +828,18 @@ static int rtl8366s_sw_get_port_mib(struct switch_dev *dev,
        unsigned long long counter = 0;
        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(smi->buf) - len,
                        "Port %d MIB counters\n",
                        val->port_vlan);
 
-       for (i = 0; i < ARRAY_SIZE(rtl8366s_mib_counters); ++i) {
+       for (i = 0; i < smi->num_mib_counters; ++i) {
                len += snprintf(buf + len, sizeof(smi->buf) - len,
-                               "%-36s: ", rtl8366s_mib_counters[i].name);
-               if (!rtl8366_get_mib_counter(smi, i, val->port_vlan, &counter))
+                               "%-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
@@ -970,18 +903,6 @@ static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev,
        return rtl8366_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 rtl8366_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 rtl8366_set_pvid(smi, port, val);
-}
-
 static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
 {
        struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
@@ -1093,30 +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)
@@ -1151,9 +1072,8 @@ 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;
 
        ret = rtl8366s_reset_chip(smi);
@@ -1199,6 +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,
 
@@ -1215,7 +1137,6 @@ 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;
 
@@ -1230,17 +1151,12 @@ 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;
@@ -1252,15 +1168,11 @@ static int __init rtl8366s_probe(struct platform_device *pdev)
 
        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;
 
@@ -1269,8 +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;
 }
@@ -1303,13 +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);
+       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;