ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8306.c b/target/linux/generic/files/drivers/net/phy/rtl8306.c
new file mode 100644
index 0000000..31bc758
--- /dev/null
+++ b/target/linux/generic/files/drivers/net/phy/rtl8306.c
@@ -0,0 +1,1063 @@
+/*
+ * rtl8306.c: RTL8306S switch driver
+ *
+ * Copyright (C) 2009 Felix Fietkau <nbd@nbd.name>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/version.h>
+
+//#define DEBUG 1
+
+/* Global (PHY0) */
+#define RTL8306_REG_PAGE 16
+#define RTL8306_REG_PAGE_LO (1 << 15)
+#define RTL8306_REG_PAGE_HI (1 << 1) /* inverted */
+
+#define RTL8306_NUM_VLANS 16
+#define RTL8306_NUM_PORTS 6
+#define RTL8306_PORT_CPU 5
+#define RTL8306_NUM_PAGES 4
+#define RTL8306_NUM_REGS 32
+
+#define RTL_NAME_S "RTL8306S"
+#define RTL_NAME_SD "RTL8306SD"
+#define RTL_NAME_SDM "RTL8306SDM"
+#define RTL_NAME_UNKNOWN "RTL8306(unknown)"
+
+#define RTL8306_MAGIC 0x8306
+
+static LIST_HEAD(phydevs);
+
+struct rtl_priv {
+ struct list_head list;
+ struct switch_dev dev;
+ int page;
+ int type;
+ int do_cpu;
+ struct mii_bus *bus;
+ char hwname[sizeof(RTL_NAME_UNKNOWN)];
+ bool fixup;
+};
+
+struct rtl_phyregs {
+ int nway;
+ int speed;
+ int duplex;
+};
+
+#define to_rtl(_dev) container_of(_dev, struct rtl_priv, dev)
+
+enum {
+ RTL_TYPE_S,
+ RTL_TYPE_SD,
+ RTL_TYPE_SDM,
+};
+
+struct rtl_reg {
+ int page;
+ int phy;
+ int reg;
+ int bits;
+ int shift;
+ int inverted;
+};
+
+#define RTL_VLAN_REGOFS(name) \
+ (RTL_REG_VLAN1_##name - RTL_REG_VLAN0_##name)
+
+#define RTL_PORT_REGOFS(name) \
+ (RTL_REG_PORT1_##name - RTL_REG_PORT0_##name)
+
+#define RTL_PORT_REG(id, reg) \
+ (RTL_REG_PORT0_##reg + (id * RTL_PORT_REGOFS(reg)))
+
+#define RTL_VLAN_REG(id, reg) \
+ (RTL_REG_VLAN0_##reg + (id * RTL_VLAN_REGOFS(reg)))
+
+#define RTL_GLOBAL_REGATTR(reg) \
+ .id = RTL_REG_##reg, \
+ .type = SWITCH_TYPE_INT, \
+ .ofs = 0, \
+ .set = rtl_attr_set_int, \
+ .get = rtl_attr_get_int
+
+#define RTL_PORT_REGATTR(reg) \
+ .id = RTL_REG_PORT0_##reg, \
+ .type = SWITCH_TYPE_INT, \
+ .ofs = RTL_PORT_REGOFS(reg), \
+ .set = rtl_attr_set_port_int, \
+ .get = rtl_attr_get_port_int
+
+#define RTL_VLAN_REGATTR(reg) \
+ .id = RTL_REG_VLAN0_##reg, \
+ .type = SWITCH_TYPE_INT, \
+ .ofs = RTL_VLAN_REGOFS(reg), \
+ .set = rtl_attr_set_vlan_int, \
+ .get = rtl_attr_get_vlan_int
+
+enum rtl_regidx {
+ RTL_REG_CHIPID,
+ RTL_REG_CHIPVER,
+ RTL_REG_CHIPTYPE,
+ RTL_REG_CPUPORT,
+
+ RTL_REG_EN_CPUPORT,
+ RTL_REG_EN_TAG_OUT,
+ RTL_REG_EN_TAG_CLR,
+ RTL_REG_EN_TAG_IN,
+ RTL_REG_TRAP_CPU,
+ RTL_REG_CPU_LINKUP,
+ RTL_REG_TRUNK_PORTSEL,
+ RTL_REG_EN_TRUNK,
+ RTL_REG_RESET,
+
+ RTL_REG_VLAN_ENABLE,
+ RTL_REG_VLAN_FILTER,
+ RTL_REG_VLAN_TAG_ONLY,
+ RTL_REG_VLAN_TAG_AWARE,
+#define RTL_VLAN_ENUM(id) \
+ RTL_REG_VLAN##id##_VID, \
+ RTL_REG_VLAN##id##_PORTMASK
+ RTL_VLAN_ENUM(0),
+ RTL_VLAN_ENUM(1),
+ RTL_VLAN_ENUM(2),
+ RTL_VLAN_ENUM(3),
+ RTL_VLAN_ENUM(4),
+ RTL_VLAN_ENUM(5),
+ RTL_VLAN_ENUM(6),
+ RTL_VLAN_ENUM(7),
+ RTL_VLAN_ENUM(8),
+ RTL_VLAN_ENUM(9),
+ RTL_VLAN_ENUM(10),
+ RTL_VLAN_ENUM(11),
+ RTL_VLAN_ENUM(12),
+ RTL_VLAN_ENUM(13),
+ RTL_VLAN_ENUM(14),
+ RTL_VLAN_ENUM(15),
+#define RTL_PORT_ENUM(id) \
+ RTL_REG_PORT##id##_PVID, \
+ RTL_REG_PORT##id##_NULL_VID_REPLACE, \
+ RTL_REG_PORT##id##_NON_PVID_DISCARD, \
+ RTL_REG_PORT##id##_VID_INSERT, \
+ RTL_REG_PORT##id##_TAG_INSERT, \
+ RTL_REG_PORT##id##_LINK, \
+ RTL_REG_PORT##id##_SPEED, \
+ RTL_REG_PORT##id##_NWAY, \
+ RTL_REG_PORT##id##_NRESTART, \
+ RTL_REG_PORT##id##_DUPLEX, \
+ RTL_REG_PORT##id##_RXEN, \
+ RTL_REG_PORT##id##_TXEN
+ RTL_PORT_ENUM(0),
+ RTL_PORT_ENUM(1),
+ RTL_PORT_ENUM(2),
+ RTL_PORT_ENUM(3),
+ RTL_PORT_ENUM(4),
+ RTL_PORT_ENUM(5),
+};
+
+static const struct rtl_reg rtl_regs[] = {
+ [RTL_REG_CHIPID] = { 0, 4, 30, 16, 0, 0 },
+ [RTL_REG_CHIPVER] = { 0, 4, 31, 8, 0, 0 },
+ [RTL_REG_CHIPTYPE] = { 0, 4, 31, 2, 8, 0 },
+
+ /* CPU port number */
+ [RTL_REG_CPUPORT] = { 2, 4, 21, 3, 0, 0 },
+ /* Enable CPU port function */
+ [RTL_REG_EN_CPUPORT] = { 3, 2, 21, 1, 15, 1 },
+ /* Enable CPU port tag insertion */
+ [RTL_REG_EN_TAG_OUT] = { 3, 2, 21, 1, 12, 0 },
+ /* Enable CPU port tag removal */
+ [RTL_REG_EN_TAG_CLR] = { 3, 2, 21, 1, 11, 0 },
+ /* Enable CPU port tag checking */
+ [RTL_REG_EN_TAG_IN] = { 0, 4, 21, 1, 7, 0 },
+ [RTL_REG_EN_TRUNK] = { 0, 0, 19, 1, 11, 1 },
+ [RTL_REG_TRUNK_PORTSEL] = { 0, 0, 16, 1, 6, 1 },
+ [RTL_REG_RESET] = { 0, 0, 16, 1, 12, 0 },
+
+ [RTL_REG_TRAP_CPU] = { 3, 2, 22, 1, 6, 0 },
+ [RTL_REG_CPU_LINKUP] = { 0, 6, 22, 1, 15, 0 },
+
+ [RTL_REG_VLAN_TAG_ONLY] = { 0, 0, 16, 1, 8, 1 },
+ [RTL_REG_VLAN_FILTER] = { 0, 0, 16, 1, 9, 1 },
+ [RTL_REG_VLAN_TAG_AWARE] = { 0, 0, 16, 1, 10, 1 },
+ [RTL_REG_VLAN_ENABLE] = { 0, 0, 18, 1, 8, 1 },
+
+#define RTL_VLAN_REGS(id, phy, page, regofs) \
+ [RTL_REG_VLAN##id##_VID] = { page, phy, 25 + regofs, 12, 0, 0 }, \
+ [RTL_REG_VLAN##id##_PORTMASK] = { page, phy, 24 + regofs, 6, 0, 0 }
+ RTL_VLAN_REGS( 0, 0, 0, 0),
+ RTL_VLAN_REGS( 1, 1, 0, 0),
+ RTL_VLAN_REGS( 2, 2, 0, 0),
+ RTL_VLAN_REGS( 3, 3, 0, 0),
+ RTL_VLAN_REGS( 4, 4, 0, 0),
+ RTL_VLAN_REGS( 5, 0, 1, 2),
+ RTL_VLAN_REGS( 6, 1, 1, 2),
+ RTL_VLAN_REGS( 7, 2, 1, 2),
+ RTL_VLAN_REGS( 8, 3, 1, 2),
+ RTL_VLAN_REGS( 9, 4, 1, 2),
+ RTL_VLAN_REGS(10, 0, 1, 4),
+ RTL_VLAN_REGS(11, 1, 1, 4),
+ RTL_VLAN_REGS(12, 2, 1, 4),
+ RTL_VLAN_REGS(13, 3, 1, 4),
+ RTL_VLAN_REGS(14, 4, 1, 4),
+ RTL_VLAN_REGS(15, 0, 1, 6),
+
+#define REG_PORT_SETTING(port, phy) \
+ [RTL_REG_PORT##port##_SPEED] = { 0, phy, 0, 1, 13, 0 }, \
+ [RTL_REG_PORT##port##_NWAY] = { 0, phy, 0, 1, 12, 0 }, \
+ [RTL_REG_PORT##port##_NRESTART] = { 0, phy, 0, 1, 9, 0 }, \
+ [RTL_REG_PORT##port##_DUPLEX] = { 0, phy, 0, 1, 8, 0 }, \
+ [RTL_REG_PORT##port##_TXEN] = { 0, phy, 24, 1, 11, 0 }, \
+ [RTL_REG_PORT##port##_RXEN] = { 0, phy, 24, 1, 10, 0 }, \
+ [RTL_REG_PORT##port##_LINK] = { 0, phy, 1, 1, 2, 0 }, \
+ [RTL_REG_PORT##port##_NULL_VID_REPLACE] = { 0, phy, 22, 1, 12, 0 }, \
+ [RTL_REG_PORT##port##_NON_PVID_DISCARD] = { 0, phy, 22, 1, 11, 0 }, \
+ [RTL_REG_PORT##port##_VID_INSERT] = { 0, phy, 22, 2, 9, 0 }, \
+ [RTL_REG_PORT##port##_TAG_INSERT] = { 0, phy, 22, 2, 0, 0 }
+
+ REG_PORT_SETTING(0, 0),
+ REG_PORT_SETTING(1, 1),
+ REG_PORT_SETTING(2, 2),
+ REG_PORT_SETTING(3, 3),
+ REG_PORT_SETTING(4, 4),
+ REG_PORT_SETTING(5, 6),
+
+#define REG_PORT_PVID(phy, page, regofs) \
+ { page, phy, 24 + regofs, 4, 12, 0 }
+ [RTL_REG_PORT0_PVID] = REG_PORT_PVID(0, 0, 0),
+ [RTL_REG_PORT1_PVID] = REG_PORT_PVID(1, 0, 0),
+ [RTL_REG_PORT2_PVID] = REG_PORT_PVID(2, 0, 0),
+ [RTL_REG_PORT3_PVID] = REG_PORT_PVID(3, 0, 0),
+ [RTL_REG_PORT4_PVID] = REG_PORT_PVID(4, 0, 0),
+ [RTL_REG_PORT5_PVID] = REG_PORT_PVID(0, 1, 2),
+};
+
+
+static inline void
+rtl_set_page(struct rtl_priv *priv, unsigned int page)
+{
+ struct mii_bus *bus = priv->bus;
+ u16 pgsel;
+
+ if (priv->fixup)
+ return;
+
+ if (priv->page == page)
+ return;
+
+ BUG_ON(page > RTL8306_NUM_PAGES);
+ pgsel = bus->read(bus, 0, RTL8306_REG_PAGE);
+ pgsel &= ~(RTL8306_REG_PAGE_LO | RTL8306_REG_PAGE_HI);
+ if (page & (1 << 0))
+ pgsel |= RTL8306_REG_PAGE_LO;
+ if (!(page & (1 << 1))) /* bit is inverted */
+ pgsel |= RTL8306_REG_PAGE_HI;
+ bus->write(bus, 0, RTL8306_REG_PAGE, pgsel);
+}
+
+static inline int
+rtl_w16(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg, u16 val)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ struct mii_bus *bus = priv->bus;
+
+ rtl_set_page(priv, page);
+ bus->write(bus, phy, reg, val);
+ bus->read(bus, phy, reg); /* flush */
+ return 0;
+}
+
+static inline int
+rtl_r16(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ struct mii_bus *bus = priv->bus;
+
+ rtl_set_page(priv, page);
+ return bus->read(bus, phy, reg);
+}
+
+static inline u16
+rtl_rmw(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg, u16 mask, u16 val)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ struct mii_bus *bus = priv->bus;
+ u16 r;
+
+ rtl_set_page(priv, page);
+ r = bus->read(bus, phy, reg);
+ r &= ~mask;
+ r |= val;
+ bus->write(bus, phy, reg, r);
+ return bus->read(bus, phy, reg); /* flush */
+}
+
+
+static inline int
+rtl_get(struct switch_dev *dev, enum rtl_regidx s)
+{
+ const struct rtl_reg *r = &rtl_regs[s];
+ u16 val;
+
+ BUG_ON(s >= ARRAY_SIZE(rtl_regs));
+ if (r->bits == 0) /* unimplemented */
+ return 0;
+
+ val = rtl_r16(dev, r->page, r->phy, r->reg);
+
+ if (r->shift > 0)
+ val >>= r->shift;
+
+ if (r->inverted)
+ val = ~val;
+
+ val &= (1 << r->bits) - 1;
+
+ return val;
+}
+
+static int
+rtl_set(struct switch_dev *dev, enum rtl_regidx s, unsigned int val)
+{
+ const struct rtl_reg *r = &rtl_regs[s];
+ u16 mask = 0xffff;
+
+ BUG_ON(s >= ARRAY_SIZE(rtl_regs));
+
+ if (r->bits == 0) /* unimplemented */
+ return 0;
+
+ if (r->shift > 0)
+ val <<= r->shift;
+
+ if (r->inverted)
+ val = ~val;
+
+ if (r->bits != 16) {
+ mask = (1 << r->bits) - 1;
+ mask <<= r->shift;
+ }
+ val &= mask;
+ return rtl_rmw(dev, r->page, r->phy, r->reg, mask, val);
+}
+
+static void
+rtl_phy_save(struct switch_dev *dev, int port, struct rtl_phyregs *regs)
+{
+ regs->nway = rtl_get(dev, RTL_PORT_REG(port, NWAY));
+ regs->speed = rtl_get(dev, RTL_PORT_REG(port, SPEED));
+ regs->duplex = rtl_get(dev, RTL_PORT_REG(port, DUPLEX));
+}
+
+static void
+rtl_phy_restore(struct switch_dev *dev, int port, struct rtl_phyregs *regs)
+{
+ rtl_set(dev, RTL_PORT_REG(port, NWAY), regs->nway);
+ rtl_set(dev, RTL_PORT_REG(port, SPEED), regs->speed);
+ rtl_set(dev, RTL_PORT_REG(port, DUPLEX), regs->duplex);
+}
+
+static void
+rtl_port_set_enable(struct switch_dev *dev, int port, int enabled)
+{
+ rtl_set(dev, RTL_PORT_REG(port, RXEN), enabled);
+ rtl_set(dev, RTL_PORT_REG(port, TXEN), enabled);
+
+ if ((port >= 5) || !enabled)
+ return;
+
+ /* restart autonegotiation if enabled */
+ rtl_set(dev, RTL_PORT_REG(port, NRESTART), 1);
+}
+
+static int
+rtl_hw_apply(struct switch_dev *dev)
+{
+ int i;
+ int trunk_en, trunk_psel;
+ struct rtl_phyregs port5;
+
+ rtl_phy_save(dev, 5, &port5);
+
+ /* disable rx/tx from PHYs */
+ for (i = 0; i < RTL8306_NUM_PORTS - 1; i++) {
+ rtl_port_set_enable(dev, i, 0);
+ }
+
+ /* save trunking status */
+ trunk_en = rtl_get(dev, RTL_REG_EN_TRUNK);
+ trunk_psel = rtl_get(dev, RTL_REG_TRUNK_PORTSEL);
+
+ /* trunk port 3 and 4
+ * XXX: Big WTF, but RealTek seems to do it */
+ rtl_set(dev, RTL_REG_EN_TRUNK, 1);
+ rtl_set(dev, RTL_REG_TRUNK_PORTSEL, 1);
+
+ /* execute the software reset */
+ rtl_set(dev, RTL_REG_RESET, 1);
+
+ /* wait for the reset to complete,
+ * but don't wait for too long */
+ for (i = 0; i < 10; i++) {
+ if (rtl_get(dev, RTL_REG_RESET) == 0)
+ break;
+
+ msleep(1);
+ }
+
+ /* enable rx/tx from PHYs */
+ for (i = 0; i < RTL8306_NUM_PORTS - 1; i++) {
+ rtl_port_set_enable(dev, i, 1);
+ }
+
+ /* restore trunking settings */
+ rtl_set(dev, RTL_REG_EN_TRUNK, trunk_en);
+ rtl_set(dev, RTL_REG_TRUNK_PORTSEL, trunk_psel);
+ rtl_phy_restore(dev, 5, &port5);
+
+ rtl_set(dev, RTL_REG_CPU_LINKUP, 1);
+
+ return 0;
+}
+
+static void
+rtl_hw_init(struct switch_dev *dev)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ int cpu_mask = 1 << dev->cpu_port;
+ int i;
+
+ rtl_set(dev, RTL_REG_VLAN_ENABLE, 0);
+ rtl_set(dev, RTL_REG_VLAN_FILTER, 0);
+ rtl_set(dev, RTL_REG_EN_TRUNK, 0);
+ rtl_set(dev, RTL_REG_TRUNK_PORTSEL, 0);
+
+ /* initialize cpu port settings */
+ if (priv->do_cpu) {
+ rtl_set(dev, RTL_REG_CPUPORT, dev->cpu_port);
+ rtl_set(dev, RTL_REG_EN_CPUPORT, 1);
+ } else {
+ rtl_set(dev, RTL_REG_CPUPORT, 7);
+ rtl_set(dev, RTL_REG_EN_CPUPORT, 0);
+ }
+ rtl_set(dev, RTL_REG_EN_TAG_OUT, 0);
+ rtl_set(dev, RTL_REG_EN_TAG_IN, 0);
+ rtl_set(dev, RTL_REG_EN_TAG_CLR, 0);
+
+ /* reset all vlans */
+ for (i = 0; i < RTL8306_NUM_VLANS; i++) {
+ rtl_set(dev, RTL_VLAN_REG(i, VID), i);
+ rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), 0);
+ }
+
+ /* default to port isolation */
+ for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+ unsigned long mask;
+
+ if ((1 << i) == cpu_mask)
+ mask = ((1 << RTL8306_NUM_PORTS) - 1) & ~cpu_mask; /* all bits set */
+ else
+ mask = cpu_mask | (1 << i);
+
+ rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), mask);
+ rtl_set(dev, RTL_PORT_REG(i, PVID), i);
+ rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1);
+ rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), 1);
+ rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), 3);
+ }
+ rtl_hw_apply(dev);
+}
+
+#ifdef DEBUG
+static int
+rtl_set_use_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ priv->do_cpu = val->value.i;
+ rtl_hw_init(dev);
+ return 0;
+}
+
+static int
+rtl_get_use_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ val->value.i = priv->do_cpu;
+ return 0;
+}
+
+static int
+rtl_set_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ dev->cpu_port = val->value.i;
+ rtl_hw_init(dev);
+ return 0;
+}
+
+static int
+rtl_get_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ val->value.i = dev->cpu_port;
+ return 0;
+}
+#endif
+
+static int
+rtl_reset(struct switch_dev *dev)
+{
+ rtl_hw_init(dev);
+ return 0;
+}
+
+static int
+rtl_attr_set_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ int idx = attr->id + (val->port_vlan * attr->ofs);
+ struct rtl_phyregs port;
+
+ if (attr->id >= ARRAY_SIZE(rtl_regs))
+ return -EINVAL;
+
+ if ((attr->max > 0) && (val->value.i > attr->max))
+ return -EINVAL;
+
+ /* access to phy register 22 on port 4/5
+ * needs phy status save/restore */
+ if ((val->port_vlan > 3) &&
+ (rtl_regs[idx].reg == 22) &&
+ (rtl_regs[idx].page == 0)) {
+
+ rtl_phy_save(dev, val->port_vlan, &port);
+ rtl_set(dev, idx, val->value.i);
+ rtl_phy_restore(dev, val->port_vlan, &port);
+ } else {
+ rtl_set(dev, idx, val->value.i);
+ }
+
+ return 0;
+}
+
+static int
+rtl_attr_get_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ int idx = attr->id + (val->port_vlan * attr->ofs);
+
+ if (idx >= ARRAY_SIZE(rtl_regs))
+ return -EINVAL;
+
+ val->value.i = rtl_get(dev, idx);
+ return 0;
+}
+
+static int
+rtl_attr_set_port_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ if (val->port_vlan >= RTL8306_NUM_PORTS)
+ return -EINVAL;
+
+ return rtl_attr_set_int(dev, attr, val);
+}
+
+static int
+rtl_attr_get_port_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ if (val->port_vlan >= RTL8306_NUM_PORTS)
+ return -EINVAL;
+ return rtl_attr_get_int(dev, attr, val);
+}
+
+static int
+rtl_get_port_link(struct switch_dev *dev, int port, struct switch_port_link *link)
+{
+ if (port >= RTL8306_NUM_PORTS)
+ return -EINVAL;
+
+ /* in case the link changes from down to up, the register is only updated on read */
+ link->link = rtl_get(dev, RTL_PORT_REG(port, LINK));
+ if (!link->link)
+ link->link = rtl_get(dev, RTL_PORT_REG(port, LINK));
+
+ if (!link->link)
+ return 0;
+
+ link->duplex = rtl_get(dev, RTL_PORT_REG(port, DUPLEX));
+ link->aneg = rtl_get(dev, RTL_PORT_REG(port, NWAY));
+
+ if (rtl_get(dev, RTL_PORT_REG(port, SPEED)))
+ link->speed = SWITCH_PORT_SPEED_100;
+ else
+ link->speed = SWITCH_PORT_SPEED_10;
+
+ return 0;
+}
+
+static int
+rtl_attr_set_vlan_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ if (val->port_vlan >= dev->vlans)
+ return -EINVAL;
+
+ return rtl_attr_set_int(dev, attr, val);
+}
+
+static int
+rtl_attr_get_vlan_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ if (val->port_vlan >= dev->vlans)
+ return -EINVAL;
+
+ return rtl_attr_get_int(dev, attr, val);
+}
+
+static int
+rtl_get_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ unsigned int i, mask;
+
+ mask = rtl_get(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK));
+ for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+ struct switch_port *port;
+
+ if (!(mask & (1 << i)))
+ continue;
+
+ port = &val->value.ports[val->len];
+ port->id = i;
+ if (rtl_get(dev, RTL_PORT_REG(i, TAG_INSERT)) == 2 || i == dev->cpu_port)
+ port->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
+ val->len++;
+ }
+
+ return 0;
+}
+
+static int
+rtl_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ struct rtl_priv *priv = to_rtl(dev);
+ struct rtl_phyregs port;
+ int en = val->value.i;
+ int i;
+
+ rtl_set(dev, RTL_REG_EN_TAG_OUT, en && priv->do_cpu);
+ rtl_set(dev, RTL_REG_EN_TAG_IN, en && priv->do_cpu);
+ rtl_set(dev, RTL_REG_EN_TAG_CLR, en && priv->do_cpu);
+ rtl_set(dev, RTL_REG_VLAN_TAG_AWARE, en);
+ if (en)
+ rtl_set(dev, RTL_REG_VLAN_FILTER, en);
+
+ for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+ if (i > 3)
+ rtl_phy_save(dev, val->port_vlan, &port);
+ rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1);
+ rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), (en ? (i == dev->cpu_port ? 0 : 1) : 1));
+ rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), (en ? (i == dev->cpu_port ? 2 : 1) : 3));
+ if (i > 3)
+ rtl_phy_restore(dev, val->port_vlan, &port);
+ }
+ rtl_set(dev, RTL_REG_VLAN_ENABLE, en);
+
+ return 0;
+}
+
+static int
+rtl_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ val->value.i = rtl_get(dev, RTL_REG_VLAN_ENABLE);
+ return 0;
+}
+
+static int
+rtl_set_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ unsigned int mask = 0;
+ unsigned int oldmask;
+ int i;
+
+ for(i = 0; i < val->len; i++)
+ {
+ struct switch_port *port = &val->value.ports[i];
+ bool tagged = false;
+
+ mask |= (1 << port->id);
+
+ if (port->id == dev->cpu_port)
+ continue;
+
+ if ((i == dev->cpu_port) ||
+ (port->flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
+ tagged = true;
+
+ /* fix up PVIDs for added ports */
+ if (!tagged)
+ rtl_set(dev, RTL_PORT_REG(port->id, PVID), val->port_vlan);
+
+ rtl_set(dev, RTL_PORT_REG(port->id, NON_PVID_DISCARD), (tagged ? 0 : 1));
+ rtl_set(dev, RTL_PORT_REG(port->id, VID_INSERT), (tagged ? 0 : 1));
+ rtl_set(dev, RTL_PORT_REG(port->id, TAG_INSERT), (tagged ? 2 : 1));
+ }
+
+ oldmask = rtl_get(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK));
+ rtl_set(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK), mask);
+
+ /* fix up PVIDs for removed ports, default to last vlan */
+ oldmask &= ~mask;
+ for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+ if (!(oldmask & (1 << i)))
+ continue;
+
+ if (i == dev->cpu_port)
+ continue;
+
+ if (rtl_get(dev, RTL_PORT_REG(i, PVID)) == val->port_vlan)
+ rtl_set(dev, RTL_PORT_REG(i, PVID), dev->vlans - 1);
+ }
+
+ return 0;
+}
+
+static struct switch_attr rtl_globals[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "Enable VLAN mode",
+ .max = 1,
+ .set = rtl_set_vlan,
+ .get = rtl_get_vlan,
+ },
+ {
+ RTL_GLOBAL_REGATTR(EN_TRUNK),
+ .name = "trunk",
+ .description = "Enable port trunking",
+ .max = 1,
+ },
+ {
+ RTL_GLOBAL_REGATTR(TRUNK_PORTSEL),
+ .name = "trunk_sel",
+ .description = "Select ports for trunking (0: 0,1 - 1: 3,4)",
+ .max = 1,
+ },
+#ifdef DEBUG
+ {
+ RTL_GLOBAL_REGATTR(VLAN_FILTER),
+ .name = "vlan_filter",
+ .description = "Filter incoming packets for allowed VLANS",
+ .max = 1,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "cpuport",
+ .description = "CPU Port",
+ .set = rtl_set_cpuport,
+ .get = rtl_get_cpuport,
+ .max = RTL8306_NUM_PORTS,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "use_cpuport",
+ .description = "CPU Port handling flag",
+ .set = rtl_set_use_cpuport,
+ .get = rtl_get_use_cpuport,
+ .max = RTL8306_NUM_PORTS,
+ },
+ {
+ RTL_GLOBAL_REGATTR(TRAP_CPU),
+ .name = "trap_cpu",
+ .description = "VLAN trap to CPU",
+ .max = 1,
+ },
+ {
+ RTL_GLOBAL_REGATTR(VLAN_TAG_AWARE),
+ .name = "vlan_tag_aware",
+ .description = "Enable VLAN tag awareness",
+ .max = 1,
+ },
+ {
+ RTL_GLOBAL_REGATTR(VLAN_TAG_ONLY),
+ .name = "tag_only",
+ .description = "Only accept tagged packets",
+ .max = 1,
+ },
+#endif
+};
+static struct switch_attr rtl_port[] = {
+ {
+ RTL_PORT_REGATTR(PVID),
+ .name = "pvid",
+ .description = "Port VLAN ID",
+ .max = RTL8306_NUM_VLANS - 1,
+ },
+#ifdef DEBUG
+ {
+ RTL_PORT_REGATTR(NULL_VID_REPLACE),
+ .name = "null_vid",
+ .description = "NULL VID gets replaced by port default vid",
+ .max = 1,
+ },
+ {
+ RTL_PORT_REGATTR(NON_PVID_DISCARD),
+ .name = "non_pvid_discard",
+ .description = "discard packets with VID != PVID",
+ .max = 1,
+ },
+ {
+ RTL_PORT_REGATTR(VID_INSERT),
+ .name = "vid_insert_remove",
+ .description = "how should the switch insert and remove vids ?",
+ .max = 3,
+ },
+ {
+ RTL_PORT_REGATTR(TAG_INSERT),
+ .name = "tag_insert",
+ .description = "tag insertion handling",
+ .max = 3,
+ },
+#endif
+};
+
+static struct switch_attr rtl_vlan[] = {
+ {
+ RTL_VLAN_REGATTR(VID),
+ .name = "vid",
+ .description = "VLAN ID (1-4095)",
+ .max = 4095,
+ },
+};
+
+static const struct switch_dev_ops rtl8306_ops = {
+ .attr_global = {
+ .attr = rtl_globals,
+ .n_attr = ARRAY_SIZE(rtl_globals),
+ },
+ .attr_port = {
+ .attr = rtl_port,
+ .n_attr = ARRAY_SIZE(rtl_port),
+ },
+ .attr_vlan = {
+ .attr = rtl_vlan,
+ .n_attr = ARRAY_SIZE(rtl_vlan),
+ },
+
+ .get_vlan_ports = rtl_get_ports,
+ .set_vlan_ports = rtl_set_ports,
+ .apply_config = rtl_hw_apply,
+ .reset_switch = rtl_reset,
+ .get_port_link = rtl_get_port_link,
+};
+
+static int
+rtl8306_config_init(struct phy_device *pdev)
+{
+ struct net_device *netdev = pdev->attached_dev;
+ struct rtl_priv *priv = pdev->priv;
+ struct switch_dev *dev = &priv->dev;
+ struct switch_val val;
+ unsigned int chipid, chipver, chiptype;
+ int err;
+
+ /* Only init the switch for the primary PHY */
+ if (pdev->mdio.addr != 0)
+ return 0;
+
+ val.value.i = 1;
+ priv->dev.cpu_port = RTL8306_PORT_CPU;
+ priv->dev.ports = RTL8306_NUM_PORTS;
+ priv->dev.vlans = RTL8306_NUM_VLANS;
+ priv->dev.ops = &rtl8306_ops;
+ priv->do_cpu = 0;
+ priv->page = -1;
+ priv->bus = pdev->mdio.bus;
+
+ chipid = rtl_get(dev, RTL_REG_CHIPID);
+ chipver = rtl_get(dev, RTL_REG_CHIPVER);
+ chiptype = rtl_get(dev, RTL_REG_CHIPTYPE);
+ switch(chiptype) {
+ case 0:
+ case 2:
+ strncpy(priv->hwname, RTL_NAME_S, sizeof(priv->hwname));
+ priv->type = RTL_TYPE_S;
+ break;
+ case 1:
+ strncpy(priv->hwname, RTL_NAME_SD, sizeof(priv->hwname));
+ priv->type = RTL_TYPE_SD;
+ break;
+ case 3:
+ strncpy(priv->hwname, RTL_NAME_SDM, sizeof(priv->hwname));
+ priv->type = RTL_TYPE_SDM;
+ break;
+ default:
+ strncpy(priv->hwname, RTL_NAME_UNKNOWN, sizeof(priv->hwname));
+ break;
+ }
+
+ dev->name = priv->hwname;
+ rtl_hw_init(dev);
+
+ printk(KERN_INFO "Registering %s switch with Chip ID: 0x%04x, version: 0x%04x\n", priv->hwname, chipid, chipver);
+
+ err = register_switch(dev, netdev);
+ if (err < 0) {
+ kfree(priv);
+ return err;
+ }
+
+ return 0;
+}
+
+
+static int
+rtl8306_fixup(struct phy_device *pdev)
+{
+ struct rtl_priv priv;
+ u16 chipid;
+
+ /* Attach to primary LAN port and WAN port */
+ if (pdev->mdio.addr != 0 && pdev->mdio.addr != 4)
+ return 0;
+
+ memset(&priv, 0, sizeof(priv));
+ priv.fixup = true;
+ priv.page = -1;
+ priv.bus = pdev->mdio.bus;
+ chipid = rtl_get(&priv.dev, RTL_REG_CHIPID);
+ if (chipid == 0x5988)
+ pdev->phy_id = RTL8306_MAGIC;
+
+ return 0;
+}
+
+static int
+rtl8306_probe(struct phy_device *pdev)
+{
+ struct rtl_priv *priv;
+
+ list_for_each_entry(priv, &phydevs, list) {
+ /*
+ * share one rtl_priv instance between virtual phy
+ * devices on the same bus
+ */
+ if (priv->bus == pdev->mdio.bus)
+ goto found;
+ }
+ priv = kzalloc(sizeof(struct rtl_priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->bus = pdev->mdio.bus;
+
+found:
+ pdev->priv = priv;
+ return 0;
+}
+
+static void
+rtl8306_remove(struct phy_device *pdev)
+{
+ struct rtl_priv *priv = pdev->priv;
+ unregister_switch(&priv->dev);
+ kfree(priv);
+}
+
+static int
+rtl8306_config_aneg(struct phy_device *pdev)
+{
+ struct rtl_priv *priv = pdev->priv;
+
+ /* Only for WAN */
+ if (pdev->mdio.addr == 0)
+ return 0;
+
+ /* Restart autonegotiation */
+ rtl_set(&priv->dev, RTL_PORT_REG(4, NWAY), 1);
+ rtl_set(&priv->dev, RTL_PORT_REG(4, NRESTART), 1);
+
+ return 0;
+}
+
+static int
+rtl8306_read_status(struct phy_device *pdev)
+{
+ struct rtl_priv *priv = pdev->priv;
+ struct switch_dev *dev = &priv->dev;
+
+ if (pdev->mdio.addr == 4) {
+ /* WAN */
+ pdev->speed = rtl_get(dev, RTL_PORT_REG(4, SPEED)) ? SPEED_100 : SPEED_10;
+ pdev->duplex = rtl_get(dev, RTL_PORT_REG(4, DUPLEX)) ? DUPLEX_FULL : DUPLEX_HALF;
+ pdev->link = !!rtl_get(dev, RTL_PORT_REG(4, LINK));
+ } else {
+ /* LAN */
+ pdev->speed = SPEED_100;
+ pdev->duplex = DUPLEX_FULL;
+ pdev->link = 1;
+ }
+
+ /*
+ * Bypass generic PHY status read,
+ * it doesn't work with this switch
+ */
+ if (pdev->link) {
+ pdev->state = PHY_RUNNING;
+ netif_carrier_on(pdev->attached_dev);
+ pdev->adjust_link(pdev->attached_dev);
+ } else {
+ pdev->state = PHY_NOLINK;
+ netif_carrier_off(pdev->attached_dev);
+ pdev->adjust_link(pdev->attached_dev);
+ }
+
+ return 0;
+}
+
+
+static struct phy_driver rtl8306_driver = {
+ .name = "Realtek RTL8306S",
+ .phy_id = RTL8306_MAGIC,
+ .phy_id_mask = 0xffffffff,
+ .features = PHY_BASIC_FEATURES,
+ .probe = &rtl8306_probe,
+ .remove = &rtl8306_remove,
+ .config_init = &rtl8306_config_init,
+ .config_aneg = &rtl8306_config_aneg,
+ .read_status = &rtl8306_read_status,
+};
+
+
+static int __init
+rtl_init(void)
+{
+ phy_register_fixup_for_id(PHY_ANY_ID, rtl8306_fixup);
+ return phy_driver_register(&rtl8306_driver, THIS_MODULE);
+}
+
+static void __exit
+rtl_exit(void)
+{
+ phy_driver_unregister(&rtl8306_driver);
+}
+
+module_init(rtl_init);
+module_exit(rtl_exit);
+MODULE_LICENSE("GPL");
+