X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fchunkeey.git;a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Ffiles%2Fdrivers%2Fnet%2Fphy%2Far8216.c;h=91e090af813c448c0e7fc6c3752b31710cb9b8c1;hp=cf28af0c766f595eccf8bb9b8fa3f40f09255cd1;hb=5b16fd1bf88e34af4fa18e74bb4be524420c11b2;hpb=395d0bdc1f933eee8a0c5b1270851b30fcc46ef7 diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index cf28af0c76..91e090af81 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -33,6 +33,11 @@ #include #include #include +#include +#include +#include +#include + #include "ar8216.h" /* size of the vlan table */ @@ -42,16 +47,22 @@ #define AR8XXX_MIB_WORK_DELAY 2000 /* msecs */ -struct ar8216_priv; +struct ar8xxx_priv; #define AR8XXX_CAP_GIGE BIT(0) #define AR8XXX_CAP_MIB_COUNTERS BIT(1) +#define AR8XXX_NUM_PHYS 5 + +static void ar8216_set_mirror_regs(struct ar8xxx_priv *priv); +static void ar8327_set_mirror_regs(struct ar8xxx_priv *priv); + enum { AR8XXX_VER_AR8216 = 0x01, AR8XXX_VER_AR8236 = 0x03, AR8XXX_VER_AR8316 = 0x10, AR8XXX_VER_AR8327 = 0x12, + AR8XXX_VER_AR8337 = 0x13, }; struct ar8xxx_mib_desc { @@ -62,50 +73,111 @@ struct ar8xxx_mib_desc { struct ar8xxx_chip { unsigned long caps; + bool config_at_probe; + bool mii_lo_first; - int (*hw_init)(struct ar8216_priv *priv); - void (*init_globals)(struct ar8216_priv *priv); - void (*init_port)(struct ar8216_priv *priv, int port); - void (*setup_port)(struct ar8216_priv *priv, int port, u32 egress, - u32 ingress, u32 members, u32 pvid); - u32 (*read_port_status)(struct ar8216_priv *priv, int port); - int (*atu_flush)(struct ar8216_priv *priv); - void (*vtu_flush)(struct ar8216_priv *priv); - void (*vtu_load_vlan)(struct ar8216_priv *priv, u32 vid, u32 port_mask); + /* parameters to calculate REG_PORT_STATS_BASE */ + unsigned reg_port_stats_start; + unsigned reg_port_stats_length; + + int (*hw_init)(struct ar8xxx_priv *priv); + void (*cleanup)(struct ar8xxx_priv *priv); + + void (*init_globals)(struct ar8xxx_priv *priv); + void (*init_port)(struct ar8xxx_priv *priv, int port); + void (*setup_port)(struct ar8xxx_priv *priv, int port, u32 members); + u32 (*read_port_status)(struct ar8xxx_priv *priv, int port); + int (*atu_flush)(struct ar8xxx_priv *priv); + void (*vtu_flush)(struct ar8xxx_priv *priv); + void (*vtu_load_vlan)(struct ar8xxx_priv *priv, u32 vid, u32 port_mask); + void (*phy_fixup)(struct ar8xxx_priv *priv, int phy); + void (*set_mirror_regs)(struct ar8xxx_priv *priv); const struct ar8xxx_mib_desc *mib_decs; unsigned num_mibs; + unsigned mib_func; +}; + +enum ar8327_led_pattern { + AR8327_LED_PATTERN_OFF = 0, + AR8327_LED_PATTERN_BLINK, + AR8327_LED_PATTERN_ON, + AR8327_LED_PATTERN_RULE, +}; + +struct ar8327_led_entry { + unsigned reg; + unsigned shift; +}; + +struct ar8327_led { + struct led_classdev cdev; + struct ar8xxx_priv *sw_priv; + + char *name; + bool active_low; + u8 led_num; + enum ar8327_led_mode mode; + + struct mutex mutex; + spinlock_t lock; + struct work_struct led_work; + bool enable_hw_mode; + enum ar8327_led_pattern pattern; +}; + +struct ar8327_data { + u32 port0_status; + u32 port6_status; + + struct ar8327_led **leds; + unsigned int num_leds; }; -struct ar8216_priv { +struct ar8xxx_priv { struct switch_dev dev; + struct mii_bus *mii_bus; struct phy_device *phy; - u32 (*read)(struct ar8216_priv *priv, int reg); - void (*write)(struct ar8216_priv *priv, int reg, u32 val); + + u32 (*read)(struct ar8xxx_priv *priv, int reg); + void (*write)(struct ar8xxx_priv *priv, int reg, u32 val); + u32 (*rmw)(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val); + + int (*get_port_link)(unsigned port); + const struct net_device_ops *ndo_old; struct net_device_ops ndo; struct mutex reg_mutex; u8 chip_ver; u8 chip_rev; const struct ar8xxx_chip *chip; + void *chip_data; bool initialized; bool port4_phy; char buf[2048]; bool init; - bool mii_lo_first; struct mutex mib_lock; struct delayed_work mib_work; int mib_next_port; u64 *mib_stats; + struct list_head list; + unsigned int use_count; + /* all fields below are cleared on reset */ bool vlan; u16 vlan_id[AR8X16_MAX_VLANS]; u8 vlan_table[AR8X16_MAX_VLANS]; u8 vlan_tagged; u16 pvid[AR8X16_MAX_PORTS]; + + /* mirroring */ + bool mirror_rx; + bool mirror_tx; + int source_port; + int monitor_port; }; #define MIB_DESC(_s , _o, _n) \ @@ -197,38 +269,50 @@ static const struct ar8xxx_mib_desc ar8236_mibs[] = { MIB_DESC(1, AR8236_STATS_TXLATECOL, "TxLateCol"), }; -#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev) +static DEFINE_MUTEX(ar8xxx_dev_list_lock); +static LIST_HEAD(ar8xxx_dev_list); -static inline bool ar8xxx_has_gige(struct ar8216_priv *priv) +static inline struct ar8xxx_priv * +swdev_to_ar8xxx(struct switch_dev *swdev) +{ + return container_of(swdev, struct ar8xxx_priv, dev); +} + +static inline bool ar8xxx_has_gige(struct ar8xxx_priv *priv) { return priv->chip->caps & AR8XXX_CAP_GIGE; } -static inline bool ar8xxx_has_mib_counters(struct ar8216_priv *priv) +static inline bool ar8xxx_has_mib_counters(struct ar8xxx_priv *priv) { return priv->chip->caps & AR8XXX_CAP_MIB_COUNTERS; } -static inline bool chip_is_ar8216(struct ar8216_priv *priv) +static inline bool chip_is_ar8216(struct ar8xxx_priv *priv) { return priv->chip_ver == AR8XXX_VER_AR8216; } -static inline bool chip_is_ar8236(struct ar8216_priv *priv) +static inline bool chip_is_ar8236(struct ar8xxx_priv *priv) { return priv->chip_ver == AR8XXX_VER_AR8236; } -static inline bool chip_is_ar8316(struct ar8216_priv *priv) +static inline bool chip_is_ar8316(struct ar8xxx_priv *priv) { return priv->chip_ver == AR8XXX_VER_AR8316; } -static inline bool chip_is_ar8327(struct ar8216_priv *priv) +static inline bool chip_is_ar8327(struct ar8xxx_priv *priv) { return priv->chip_ver == AR8XXX_VER_AR8327; } +static inline bool chip_is_ar8337(struct ar8xxx_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8337; +} + static inline void split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page) { @@ -242,11 +326,80 @@ split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page) *page = regaddr & 0x1ff; } +/* inspired by phy_poll_reset in drivers/net/phy/phy_device.c */ +static int +ar8xxx_phy_poll_reset(struct mii_bus *bus) +{ + unsigned int sleep_msecs = 20; + int ret, elapsed, i; + + for (elapsed = sleep_msecs; elapsed <= 600; + elapsed += sleep_msecs) { + msleep(sleep_msecs); + for (i = 0; i < AR8XXX_NUM_PHYS; i++) { + ret = mdiobus_read(bus, i, MII_BMCR); + if (ret < 0) + return ret; + if (ret & BMCR_RESET) + break; + if (i == AR8XXX_NUM_PHYS - 1) { + usleep_range(1000, 2000); + return 0; + } + } + } + return -ETIMEDOUT; +} + +static int +ar8xxx_phy_check_aneg(struct phy_device *phydev) +{ + int ret; + + if (phydev->autoneg != AUTONEG_ENABLE) + return 0; + /* + * BMCR_ANENABLE might have been cleared + * by phy_init_hw in certain kernel versions + * therefore check for it + */ + ret = phy_read(phydev, MII_BMCR); + if (ret < 0) + return ret; + if (ret & BMCR_ANENABLE) + return 0; + + dev_info(&phydev->dev, "ANEG disabled, re-enabling ...\n"); + ret |= BMCR_ANENABLE | BMCR_ANRESTART; + return phy_write(phydev, MII_BMCR, ret); +} + +static void +ar8xxx_phy_init(struct ar8xxx_priv *priv) +{ + int i; + struct mii_bus *bus; + + bus = priv->mii_bus; + for (i = 0; i < AR8XXX_NUM_PHYS; i++) { + if (priv->chip->phy_fixup) + priv->chip->phy_fixup(priv, i); + + /* initialize the port itself */ + mdiobus_write(bus, i, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + if (ar8xxx_has_gige(priv)) + mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); + mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + } + + ar8xxx_phy_poll_reset(bus); +} + static u32 -ar8216_mii_read(struct ar8216_priv *priv, int reg) +ar8xxx_mii_read(struct ar8xxx_priv *priv, int reg) { - struct phy_device *phy = priv->phy; - struct mii_bus *bus = phy->bus; + struct mii_bus *bus = priv->mii_bus; u16 r1, r2, page; u16 lo, hi; @@ -265,10 +418,9 @@ ar8216_mii_read(struct ar8216_priv *priv, int reg) } static void -ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) +ar8xxx_mii_write(struct ar8xxx_priv *priv, int reg, u32 val) { - struct phy_device *phy = priv->phy; - struct mii_bus *bus = phy->bus; + struct mii_bus *bus = priv->mii_bus; u16 r1, r2, r3; u16 lo, hi; @@ -280,7 +432,43 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) bus->write(bus, 0x18, 0, r3); usleep_range(1000, 2000); /* wait for the page switch to propagate */ - if (priv->mii_lo_first) { + if (priv->chip->mii_lo_first) { + bus->write(bus, 0x10 | r2, r1, lo); + bus->write(bus, 0x10 | r2, r1 + 1, hi); + } else { + bus->write(bus, 0x10 | r2, r1 + 1, hi); + bus->write(bus, 0x10 | r2, r1, lo); + } + + mutex_unlock(&bus->mdio_lock); +} + +static u32 +ar8xxx_mii_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val) +{ + struct mii_bus *bus = priv->mii_bus; + u16 r1, r2, page; + u16 lo, hi; + u32 ret; + + split_addr((u32) reg, &r1, &r2, &page); + + mutex_lock(&bus->mdio_lock); + + bus->write(bus, 0x18, 0, page); + usleep_range(1000, 2000); /* wait for the page switch to propagate */ + + lo = bus->read(bus, 0x10 | r2, r1); + hi = bus->read(bus, 0x10 | r2, r1 + 1); + + ret = hi << 16 | lo; + ret &= ~mask; + ret |= val; + + lo = ret & 0xffff; + hi = (u16) (ret >> 16); + + if (priv->chip->mii_lo_first) { bus->write(bus, 0x10 | r2, r1, lo); bus->write(bus, 0x10 | r2, r1 + 1, hi); } else { @@ -289,13 +477,16 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) } mutex_unlock(&bus->mdio_lock); + + return ret; } + static void -ar8216_phy_dbg_write(struct ar8216_priv *priv, int phy_addr, +ar8xxx_phy_dbg_write(struct ar8xxx_priv *priv, int phy_addr, u16 dbg_addr, u16 dbg_data) { - struct mii_bus *bus = priv->phy->bus; + struct mii_bus *bus = priv->mii_bus; mutex_lock(&bus->mdio_lock); bus->write(bus, phy_addr, MII_ATH_DBG_ADDR, dbg_addr); @@ -304,9 +495,9 @@ ar8216_phy_dbg_write(struct ar8216_priv *priv, int phy_addr, } static void -ar8216_phy_mmd_write(struct ar8216_priv *priv, int phy_addr, u16 addr, u16 data) +ar8xxx_phy_mmd_write(struct ar8xxx_priv *priv, int phy_addr, u16 addr, u16 data) { - struct mii_bus *bus = priv->phy->bus; + struct mii_bus *bus = priv->mii_bus; mutex_lock(&bus->mdio_lock); bus->write(bus, phy_addr, MII_ATH_MMD_ADDR, addr); @@ -314,35 +505,20 @@ ar8216_phy_mmd_write(struct ar8216_priv *priv, int phy_addr, u16 addr, u16 data) mutex_unlock(&bus->mdio_lock); } -static u32 -ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val) +static inline u32 +ar8xxx_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val) { - u32 v; - - lockdep_assert_held(&priv->reg_mutex); - - v = priv->read(priv, reg); - v &= ~mask; - v |= val; - priv->write(priv, reg, v); - - return v; + return priv->rmw(priv, reg, mask, val); } static inline void -ar8216_reg_set(struct ar8216_priv *priv, int reg, u32 val) +ar8xxx_reg_set(struct ar8xxx_priv *priv, int reg, u32 val) { - u32 v; - - lockdep_assert_held(&priv->reg_mutex); - - v = priv->read(priv, reg); - v |= val; - priv->write(priv, reg, v); + priv->rmw(priv, reg, 0, val); } static int -ar8216_reg_wait(struct ar8216_priv *priv, u32 reg, u32 mask, u32 val, +ar8xxx_reg_wait(struct ar8xxx_priv *priv, u32 reg, u32 mask, u32 val, unsigned timeout) { int i; @@ -361,25 +537,18 @@ ar8216_reg_wait(struct ar8216_priv *priv, u32 reg, u32 mask, u32 val, } static int -ar8216_mib_op(struct ar8216_priv *priv, u32 op) +ar8xxx_mib_op(struct ar8xxx_priv *priv, u32 op) { - unsigned mib_func; + unsigned mib_func = priv->chip->mib_func; int ret; lockdep_assert_held(&priv->mib_lock); - if (chip_is_ar8327(priv)) - mib_func = AR8327_REG_MIB_FUNC; - else - mib_func = AR8216_REG_MIB_FUNC; - - mutex_lock(&priv->reg_mutex); /* Capture the hardware statistics for all ports */ - ar8216_rmw(priv, mib_func, AR8216_MIB_FUNC, (op << AR8216_MIB_FUNC_S)); - mutex_unlock(&priv->reg_mutex); + ar8xxx_rmw(priv, mib_func, AR8216_MIB_FUNC, (op << AR8216_MIB_FUNC_S)); /* Wait for the capturing to complete. */ - ret = ar8216_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10); + ret = ar8xxx_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10); if (ret) goto out; @@ -390,19 +559,19 @@ out: } static int -ar8216_mib_capture(struct ar8216_priv *priv) +ar8xxx_mib_capture(struct ar8xxx_priv *priv) { - return ar8216_mib_op(priv, AR8216_MIB_FUNC_CAPTURE); + return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_CAPTURE); } static int -ar8216_mib_flush(struct ar8216_priv *priv) +ar8xxx_mib_flush(struct ar8xxx_priv *priv) { - return ar8216_mib_op(priv, AR8216_MIB_FUNC_FLUSH); + return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_FLUSH); } static void -ar8216_mib_fetch_port_stat(struct ar8216_priv *priv, int port, bool flush) +ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv *priv, int port, bool flush) { unsigned int base; u64 *mib_stats; @@ -412,13 +581,8 @@ ar8216_mib_fetch_port_stat(struct ar8216_priv *priv, int port, bool flush) lockdep_assert_held(&priv->mib_lock); - if (chip_is_ar8327(priv)) - base = AR8327_REG_PORT_STATS_BASE(port); - else if (chip_is_ar8236(priv) || - chip_is_ar8316(priv)) - base = AR8236_REG_PORT_STATS_BASE(port); - else - base = AR8216_REG_PORT_STATS_BASE(port); + base = priv->chip->reg_port_stats_start + + priv->chip->reg_port_stats_length * port; mib_stats = &priv->mib_stats[port * priv->chip->num_mibs]; for (i = 0; i < priv->chip->num_mibs; i++) { @@ -442,7 +606,7 @@ ar8216_mib_fetch_port_stat(struct ar8216_priv *priv, int port, bool flush) } static void -ar8216_read_port_link(struct ar8216_priv *priv, int port, +ar8216_read_port_link(struct ar8xxx_priv *priv, int port, struct switch_port_link *link) { u32 status; @@ -455,12 +619,21 @@ ar8216_read_port_link(struct ar8216_priv *priv, int port, link->aneg = !!(status & AR8216_PORT_STATUS_LINK_AUTO); if (link->aneg) { link->link = !!(status & AR8216_PORT_STATUS_LINK_UP); - if (!link->link) - return; } else { link->link = true; + + if (priv->get_port_link) { + int err; + + err = priv->get_port_link(port); + if (err >= 0) + link->link = !!err; + } } + if (!link->link) + return; + link->duplex = !!(status & AR8216_PORT_STATUS_DUPLEX); link->tx_flow = !!(status & AR8216_PORT_STATUS_TXFLOW); link->rx_flow = !!(status & AR8216_PORT_STATUS_RXFLOW); @@ -487,7 +660,7 @@ ar8216_read_port_link(struct ar8216_priv *priv, int port, static struct sk_buff * ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb) { - struct ar8216_priv *priv = dev->phy_ptr; + struct ar8xxx_priv *priv = dev->phy_ptr; unsigned char *buf; if (unlikely(!priv)) @@ -516,7 +689,7 @@ error: static void ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb) { - struct ar8216_priv *priv; + struct ar8xxx_priv *priv; unsigned char *buf; int port, vlan; @@ -551,7 +724,7 @@ ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb) } static int -ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val) +ar8216_wait_bit(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val) { int timeout = 20; u32 t = 0; @@ -573,7 +746,7 @@ ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val) } static void -ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +ar8216_vtu_op(struct ar8xxx_priv *priv, u32 op, u32 val) { if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0)) return; @@ -587,13 +760,13 @@ ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) } static void -ar8216_vtu_flush(struct ar8216_priv *priv) +ar8216_vtu_flush(struct ar8xxx_priv *priv) { ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0); } static void -ar8216_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) +ar8216_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask) { u32 op; @@ -602,7 +775,7 @@ ar8216_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) } static int -ar8216_atu_flush(struct ar8216_priv *priv) +ar8216_atu_flush(struct ar8xxx_priv *priv) { int ret; @@ -614,23 +787,37 @@ ar8216_atu_flush(struct ar8216_priv *priv) } static u32 -ar8216_read_port_status(struct ar8216_priv *priv, int port) +ar8216_read_port_status(struct ar8xxx_priv *priv, int port) { return priv->read(priv, AR8216_REG_PORT_STATUS(port)); } static void -ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, - u32 members, u32 pvid) +ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 members) { u32 header; + u32 egress, ingress; + u32 pvid; + + if (priv->vlan) { + pvid = priv->vlan_id[priv->pvid[port]]; + if (priv->vlan_tagged & (1 << port)) + egress = AR8216_OUT_ADD_VLAN; + else + egress = AR8216_OUT_STRIP_VLAN; + ingress = AR8216_IN_SECURE; + } else { + pvid = port; + egress = AR8216_OUT_KEEP; + ingress = AR8216_IN_PORT_ONLY; + } if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU) header = AR8216_PORT_CTRL_HEADER; else header = 0; - ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port), + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port), AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE | AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE | AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK, @@ -638,7 +825,7 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); - ar8216_rmw(priv, AR8216_REG_PORT_VLAN(port), + ar8xxx_rmw(priv, AR8216_REG_PORT_VLAN(port), AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE | AR8216_PORT_VLAN_DEFAULT_ID, (members << AR8216_PORT_VLAN_DEST_PORTS_S) | @@ -647,23 +834,29 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, } static int -ar8216_hw_init(struct ar8216_priv *priv) +ar8216_hw_init(struct ar8xxx_priv *priv) { + if (priv->initialized) + return 0; + + ar8xxx_phy_init(priv); + + priv->initialized = true; return 0; } static void -ar8216_init_globals(struct ar8216_priv *priv) +ar8216_init_globals(struct ar8xxx_priv *priv) { /* standard atheros magic */ priv->write(priv, 0x38, 0xc000050e); - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8216_GCTRL_MTU, 1518 + 8 + 2); } static void -ar8216_init_port(struct ar8216_priv *priv, int port) +ar8216_init_port(struct ar8xxx_priv *priv, int port) { /* Enable port learning and tx */ priv->write(priv, AR8216_REG_PORT_CTRL(port), @@ -691,6 +884,9 @@ ar8216_init_port(struct ar8216_priv *priv, int port) static const struct ar8xxx_chip ar8216_chip = { .caps = AR8XXX_CAP_MIB_COUNTERS, + .reg_port_stats_start = 0x19000, + .reg_port_stats_length = 0xa0, + .hw_init = ar8216_hw_init, .init_globals = ar8216_init_globals, .init_port = ar8216_init_port, @@ -699,16 +895,33 @@ static const struct ar8xxx_chip ar8216_chip = { .atu_flush = ar8216_atu_flush, .vtu_flush = ar8216_vtu_flush, .vtu_load_vlan = ar8216_vtu_load_vlan, + .set_mirror_regs = ar8216_set_mirror_regs, .num_mibs = ARRAY_SIZE(ar8216_mibs), .mib_decs = ar8216_mibs, + .mib_func = AR8216_REG_MIB_FUNC }; static void -ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, - u32 members, u32 pvid) +ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 members) { - ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port), + u32 egress, ingress; + u32 pvid; + + if (priv->vlan) { + pvid = priv->vlan_id[priv->pvid[port]]; + if (priv->vlan_tagged & (1 << port)) + egress = AR8216_OUT_ADD_VLAN; + else + egress = AR8216_OUT_STRIP_VLAN; + ingress = AR8216_IN_SECURE; + } else { + pvid = port; + egress = AR8216_OUT_KEEP; + ingress = AR8216_IN_PORT_ONLY; + } + + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port), AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE | AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE | AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK, @@ -716,56 +929,46 @@ ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); - ar8216_rmw(priv, AR8236_REG_PORT_VLAN(port), + ar8xxx_rmw(priv, AR8236_REG_PORT_VLAN(port), AR8236_PORT_VLAN_DEFAULT_ID, (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S)); - ar8216_rmw(priv, AR8236_REG_PORT_VLAN2(port), + ar8xxx_rmw(priv, AR8236_REG_PORT_VLAN2(port), AR8236_PORT_VLAN2_VLAN_MODE | AR8236_PORT_VLAN2_MEMBER, (ingress << AR8236_PORT_VLAN2_VLAN_MODE_S) | (members << AR8236_PORT_VLAN2_MEMBER_S)); } -static int -ar8236_hw_init(struct ar8216_priv *priv) -{ - int i; - struct mii_bus *bus; - - if (priv->initialized) - return 0; - - /* Initialize the PHYs */ - bus = priv->phy->bus; - for (i = 0; i < 5; i++) { - mdiobus_write(bus, i, MII_ADVERTISE, - ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | - ADVERTISE_PAUSE_ASYM); - mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); - } - msleep(1000); - - priv->initialized = true; - return 0; -} - static void -ar8236_init_globals(struct ar8216_priv *priv) +ar8236_init_globals(struct ar8xxx_priv *priv) { /* enable jumbo frames */ - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8316_GCTRL_MTU, 9018 + 8 + 2); + /* enable cpu port to receive arp frames */ + ar8xxx_rmw(priv, AR8216_REG_ATU_CTRL, + AR8236_ATU_CTRL_RES, AR8236_ATU_CTRL_RES); + + /* enable cpu port to receive multicast and broadcast frames */ + ar8xxx_rmw(priv, AR8216_REG_FLOOD_MASK, + AR8236_FM_CPU_BROADCAST_EN | AR8236_FM_CPU_BCAST_FWD_EN, + AR8236_FM_CPU_BROADCAST_EN | AR8236_FM_CPU_BCAST_FWD_EN); + /* Enable MIB counters */ - ar8216_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, + ar8xxx_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) | AR8236_MIB_EN); } static const struct ar8xxx_chip ar8236_chip = { .caps = AR8XXX_CAP_MIB_COUNTERS, - .hw_init = ar8236_hw_init, + + .reg_port_stats_start = 0x20000, + .reg_port_stats_length = 0x100, + + .hw_init = ar8216_hw_init, .init_globals = ar8236_init_globals, .init_port = ar8216_init_port, .setup_port = ar8236_setup_port, @@ -773,73 +976,64 @@ static const struct ar8xxx_chip ar8236_chip = { .atu_flush = ar8216_atu_flush, .vtu_flush = ar8216_vtu_flush, .vtu_load_vlan = ar8216_vtu_load_vlan, + .set_mirror_regs = ar8216_set_mirror_regs, .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, + .mib_func = AR8216_REG_MIB_FUNC }; static int -ar8316_hw_init(struct ar8216_priv *priv) +ar8316_hw_init(struct ar8xxx_priv *priv) { - int i; u32 val, newval; - struct mii_bus *bus; - val = priv->read(priv, 0x8); + val = priv->read(priv, AR8316_REG_POSTRIP); if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { if (priv->port4_phy) { /* value taken from Ubiquiti RouterStation Pro */ newval = 0x81461bea; - printk(KERN_INFO "ar8316: Using port 4 as PHY\n"); + pr_info("ar8316: Using port 4 as PHY\n"); } else { newval = 0x01261be2; - printk(KERN_INFO "ar8316: Using port 4 as switch port\n"); + pr_info("ar8316: Using port 4 as switch port\n"); } } else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) { /* value taken from AVM Fritz!Box 7390 sources */ newval = 0x010e5b71; } else { /* no known value for phy interface */ - printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n", - priv->phy->interface); + pr_err("ar8316: unsupported mii mode: %d.\n", + priv->phy->interface); return -EINVAL; } if (val == newval) goto out; - priv->write(priv, 0x8, newval); - - /* Initialize the ports */ - bus = priv->phy->bus; - for (i = 0; i < 5; i++) { - if ((i == 4) && priv->port4_phy && - priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { - /* work around for phy4 rgmii mode */ - ar8216_phy_dbg_write(priv, i, 0x12, 0x480c); - /* rx delay */ - ar8216_phy_dbg_write(priv, i, 0x0, 0x824e); - /* tx delay */ - ar8216_phy_dbg_write(priv, i, 0x5, 0x3d47); - msleep(1000); - } + priv->write(priv, AR8316_REG_POSTRIP, newval); - /* initialize the port itself */ - mdiobus_write(bus, i, MII_ADVERTISE, - ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); - mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); - mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); + if (priv->port4_phy && + priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { + /* work around for phy4 rgmii mode */ + ar8xxx_phy_dbg_write(priv, 4, 0x12, 0x480c); + /* rx delay */ + ar8xxx_phy_dbg_write(priv, 4, 0x0, 0x824e); + /* tx delay */ + ar8xxx_phy_dbg_write(priv, 4, 0x5, 0x3d47); msleep(1000); } + ar8xxx_phy_init(priv); + out: priv->initialized = true; return 0; } static void -ar8316_init_globals(struct ar8216_priv *priv) +ar8316_init_globals(struct ar8xxx_priv *priv) { /* standard atheros magic */ priv->write(priv, 0x38, 0xc000050e); @@ -848,17 +1042,21 @@ ar8316_init_globals(struct ar8216_priv *priv) priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); /* enable jumbo frames */ - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8316_GCTRL_MTU, 9018 + 8 + 2); /* Enable MIB counters */ - ar8216_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, + ar8xxx_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN, (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) | AR8236_MIB_EN); } static const struct ar8xxx_chip ar8316_chip = { .caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS, + + .reg_port_stats_start = 0x20000, + .reg_port_stats_length = 0x100, + .hw_init = ar8316_hw_init, .init_globals = ar8316_init_globals, .init_port = ar8216_init_port, @@ -867,9 +1065,11 @@ static const struct ar8xxx_chip ar8316_chip = { .atu_flush = ar8216_atu_flush, .vtu_flush = ar8216_vtu_flush, .vtu_load_vlan = ar8216_vtu_load_vlan, + .set_mirror_regs = ar8216_set_mirror_regs, .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, + .mib_func = AR8216_REG_MIB_FUNC }; static u32 @@ -967,126 +1167,38 @@ ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg) } static void -ar8327_phy_fixup(struct ar8216_priv *priv, int phy) +ar8327_phy_fixup(struct ar8xxx_priv *priv, int phy) { switch (priv->chip_rev) { case 1: /* For 100M waveform */ - ar8216_phy_dbg_write(priv, phy, 0, 0x02ea); + ar8xxx_phy_dbg_write(priv, phy, 0, 0x02ea); /* Turn on Gigabit clock */ - ar8216_phy_dbg_write(priv, phy, 0x3d, 0x68a0); + ar8xxx_phy_dbg_write(priv, phy, 0x3d, 0x68a0); break; case 2: - ar8216_phy_mmd_write(priv, phy, 0x7, 0x3c); - ar8216_phy_mmd_write(priv, phy, 0x4007, 0x0); + ar8xxx_phy_mmd_write(priv, phy, 0x7, 0x3c); + ar8xxx_phy_mmd_write(priv, phy, 0x4007, 0x0); /* fallthrough */ case 4: - ar8216_phy_mmd_write(priv, phy, 0x3, 0x800d); - ar8216_phy_mmd_write(priv, phy, 0x4003, 0x803f); + ar8xxx_phy_mmd_write(priv, phy, 0x3, 0x800d); + ar8xxx_phy_mmd_write(priv, phy, 0x4003, 0x803f); - ar8216_phy_dbg_write(priv, phy, 0x3d, 0x6860); - ar8216_phy_dbg_write(priv, phy, 0x5, 0x2c46); - ar8216_phy_dbg_write(priv, phy, 0x3c, 0x6000); + ar8xxx_phy_dbg_write(priv, phy, 0x3d, 0x6860); + ar8xxx_phy_dbg_write(priv, phy, 0x5, 0x2c46); + ar8xxx_phy_dbg_write(priv, phy, 0x3c, 0x6000); break; } } -static int -ar8327_hw_init(struct ar8216_priv *priv) -{ - struct ar8327_platform_data *pdata; - struct ar8327_led_cfg *led_cfg; - struct mii_bus *bus; - u32 pos, new_pos; - u32 t; - int i; - - pdata = priv->phy->dev.platform_data; - if (!pdata) - return -EINVAL; - - t = ar8327_get_pad_cfg(pdata->pad0_cfg); - priv->write(priv, AR8327_REG_PAD0_MODE, t); - t = ar8327_get_pad_cfg(pdata->pad5_cfg); - priv->write(priv, AR8327_REG_PAD5_MODE, t); - t = ar8327_get_pad_cfg(pdata->pad6_cfg); - priv->write(priv, AR8327_REG_PAD6_MODE, t); - - pos = priv->read(priv, AR8327_REG_POWER_ON_STRIP); - new_pos = pos; - - led_cfg = pdata->led_cfg; - if (led_cfg) { - if (led_cfg->open_drain) - new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN; - else - new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN; - - priv->write(priv, AR8327_REG_LED_CTRL0, led_cfg->led_ctrl0); - priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1); - priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2); - priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3); - } - - if (new_pos != pos) { - new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL; - priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos); - } - - bus = priv->phy->bus; - for (i = 0; i < AR8327_NUM_PHYS; i++) { - ar8327_phy_fixup(priv, i); - - /* start aneg on the PHY */ - mdiobus_write(bus, i, MII_ADVERTISE, ADVERTISE_ALL | - ADVERTISE_PAUSE_CAP | - ADVERTISE_PAUSE_ASYM); - mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL); - mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); - } - - msleep(1000); - - return 0; -} - -static void -ar8327_init_globals(struct ar8216_priv *priv) -{ - u32 t; - - /* enable CPU port and disable mirror port */ - t = AR8327_FWD_CTRL0_CPU_PORT_EN | - AR8327_FWD_CTRL0_MIRROR_PORT; - priv->write(priv, AR8327_REG_FWD_CTRL0, t); - - /* forward multicast and broadcast frames to CPU */ - t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) | - (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) | - (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S); - priv->write(priv, AR8327_REG_FWD_CTRL1, t); - - /* setup MTU */ - ar8216_rmw(priv, AR8327_REG_MAX_FRAME_SIZE, - AR8327_MAX_FRAME_SIZE_MTU, 1518 + 8 + 2); - - /* Enable MIB counters */ - ar8216_reg_set(priv, AR8327_REG_MODULE_EN, - AR8327_MODULE_EN_MIB); -} - -static void -ar8327_config_port(struct ar8216_priv *priv, unsigned int port, - struct ar8327_port_cfg *cfg) +static u32 +ar8327_get_port_init_status(struct ar8327_port_cfg *cfg) { u32 t; - if (!cfg || !cfg->force_link) { - priv->write(priv, AR8327_REG_PORT_STATUS(port), - AR8216_PORT_STATUS_LINK_AUTO); - return; - } + if (!cfg->force_link) + return AR8216_PORT_STATUS_LINK_AUTO; t = AR8216_PORT_STATUS_TXMAC | AR8216_PORT_STATUS_RXMAC; t |= cfg->duplex ? AR8216_PORT_STATUS_DUPLEX : 0; @@ -1105,83 +1217,580 @@ ar8327_config_port(struct ar8216_priv *priv, unsigned int port, break; } - priv->write(priv, AR8327_REG_PORT_STATUS(port), t); + return t; } -static void -ar8327_init_port(struct ar8216_priv *priv, int port) -{ - struct ar8327_platform_data *pdata; - struct ar8327_port_cfg *cfg; - u32 t; +#define AR8327_LED_ENTRY(_num, _reg, _shift) \ + [_num] = { .reg = (_reg), .shift = (_shift) } - pdata = priv->phy->dev.platform_data; +static const struct ar8327_led_entry +ar8327_led_map[AR8327_NUM_LEDS] = { + AR8327_LED_ENTRY(AR8327_LED_PHY0_0, 0, 14), + AR8327_LED_ENTRY(AR8327_LED_PHY0_1, 1, 14), + AR8327_LED_ENTRY(AR8327_LED_PHY0_2, 2, 14), - if (pdata && port == AR8216_PORT_CPU) - cfg = &pdata->port0_cfg; - else if (pdata && port == 6) - cfg = &pdata->port6_cfg; - else - cfg = NULL; + AR8327_LED_ENTRY(AR8327_LED_PHY1_0, 3, 8), + AR8327_LED_ENTRY(AR8327_LED_PHY1_1, 3, 10), + AR8327_LED_ENTRY(AR8327_LED_PHY1_2, 3, 12), - ar8327_config_port(priv, port, cfg); + AR8327_LED_ENTRY(AR8327_LED_PHY2_0, 3, 14), + AR8327_LED_ENTRY(AR8327_LED_PHY2_1, 3, 16), + AR8327_LED_ENTRY(AR8327_LED_PHY2_2, 3, 18), - priv->write(priv, AR8327_REG_PORT_HEADER(port), 0); + AR8327_LED_ENTRY(AR8327_LED_PHY3_0, 3, 20), + AR8327_LED_ENTRY(AR8327_LED_PHY3_1, 3, 22), + AR8327_LED_ENTRY(AR8327_LED_PHY3_2, 3, 24), - t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S; - t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S; - priv->write(priv, AR8327_REG_PORT_VLAN0(port), t); + AR8327_LED_ENTRY(AR8327_LED_PHY4_0, 0, 30), + AR8327_LED_ENTRY(AR8327_LED_PHY4_1, 1, 30), + AR8327_LED_ENTRY(AR8327_LED_PHY4_2, 2, 30), +}; - t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S; - priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); +static void +ar8327_set_led_pattern(struct ar8xxx_priv *priv, unsigned int led_num, + enum ar8327_led_pattern pattern) +{ + const struct ar8327_led_entry *entry; - t = AR8327_PORT_LOOKUP_LEARN; - t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; - priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); + entry = &ar8327_led_map[led_num]; + ar8xxx_rmw(priv, AR8327_REG_LED_CTRL(entry->reg), + (3 << entry->shift), pattern << entry->shift); } -static u32 -ar8327_read_port_status(struct ar8216_priv *priv, int port) +static void +ar8327_led_work_func(struct work_struct *work) { - return priv->read(priv, AR8327_REG_PORT_STATUS(port)); -} + struct ar8327_led *aled; + u8 pattern; -static int -ar8327_atu_flush(struct ar8216_priv *priv) -{ - int ret; + aled = container_of(work, struct ar8327_led, led_work); - ret = ar8216_wait_bit(priv, AR8327_REG_ATU_FUNC, - AR8327_ATU_FUNC_BUSY, 0); - if (!ret) - priv->write(priv, AR8327_REG_ATU_FUNC, - AR8327_ATU_FUNC_OP_FLUSH); + spin_lock(&aled->lock); + pattern = aled->pattern; + spin_unlock(&aled->lock); - return ret; + ar8327_set_led_pattern(aled->sw_priv, aled->led_num, + pattern); } static void -ar8327_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +ar8327_led_schedule_change(struct ar8327_led *aled, u8 pattern) { - if (ar8216_wait_bit(priv, AR8327_REG_VTU_FUNC1, - AR8327_VTU_FUNC1_BUSY, 0)) + if (aled->pattern == pattern) return; - if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD) - priv->write(priv, AR8327_REG_VTU_FUNC0, val); - - op |= AR8327_VTU_FUNC1_BUSY; - priv->write(priv, AR8327_REG_VTU_FUNC1, op); + aled->pattern = pattern; + schedule_work(&aled->led_work); +} + +static inline struct ar8327_led * +led_cdev_to_ar8327_led(struct led_classdev *led_cdev) +{ + return container_of(led_cdev, struct ar8327_led, cdev); +} + +static int +ar8327_led_blink_set(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev); + + if (*delay_on == 0 && *delay_off == 0) { + *delay_on = 125; + *delay_off = 125; + } + + if (*delay_on != 125 || *delay_off != 125) { + /* + * The hardware only supports blinking at 4Hz. Fall back + * to software implementation in other cases. + */ + return -EINVAL; + } + + spin_lock(&aled->lock); + + aled->enable_hw_mode = false; + ar8327_led_schedule_change(aled, AR8327_LED_PATTERN_BLINK); + + spin_unlock(&aled->lock); + + return 0; } static void -ar8327_vtu_flush(struct ar8216_priv *priv) +ar8327_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev); + u8 pattern; + bool active; + + active = (brightness != LED_OFF); + active ^= aled->active_low; + + pattern = (active) ? AR8327_LED_PATTERN_ON : + AR8327_LED_PATTERN_OFF; + + spin_lock(&aled->lock); + + aled->enable_hw_mode = false; + ar8327_led_schedule_change(aled, pattern); + + spin_unlock(&aled->lock); +} + +static ssize_t +ar8327_led_enable_hw_mode_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev); + ssize_t ret = 0; + + spin_lock(&aled->lock); + ret += sprintf(buf, "%d\n", aled->enable_hw_mode); + spin_unlock(&aled->lock); + + return ret; +} + +static ssize_t +ar8327_led_enable_hw_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t size) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev); + u8 pattern; + u8 value; + int ret; + + ret = kstrtou8(buf, 10, &value); + if (ret < 0) + return -EINVAL; + + spin_lock(&aled->lock); + + aled->enable_hw_mode = !!value; + if (aled->enable_hw_mode) + pattern = AR8327_LED_PATTERN_RULE; + else + pattern = AR8327_LED_PATTERN_OFF; + + ar8327_led_schedule_change(aled, pattern); + + spin_unlock(&aled->lock); + + return size; +} + +static DEVICE_ATTR(enable_hw_mode, S_IRUGO | S_IWUSR, + ar8327_led_enable_hw_mode_show, + ar8327_led_enable_hw_mode_store); + +static int +ar8327_led_register(struct ar8xxx_priv *priv, struct ar8327_led *aled) +{ + int ret; + + ret = led_classdev_register(NULL, &aled->cdev); + if (ret < 0) + return ret; + + if (aled->mode == AR8327_LED_MODE_HW) { + ret = device_create_file(aled->cdev.dev, + &dev_attr_enable_hw_mode); + if (ret) + goto err_unregister; + } + + return 0; + +err_unregister: + led_classdev_unregister(&aled->cdev); + return ret; +} + +static void +ar8327_led_unregister(struct ar8327_led *aled) +{ + if (aled->mode == AR8327_LED_MODE_HW) + device_remove_file(aled->cdev.dev, &dev_attr_enable_hw_mode); + + led_classdev_unregister(&aled->cdev); + cancel_work_sync(&aled->led_work); +} + +static int +ar8327_led_create(struct ar8xxx_priv *priv, + const struct ar8327_led_info *led_info) +{ + struct ar8327_data *data = priv->chip_data; + struct ar8327_led *aled; + int ret; + + if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS)) + return 0; + + if (!led_info->name) + return -EINVAL; + + if (led_info->led_num >= AR8327_NUM_LEDS) + return -EINVAL; + + aled = kzalloc(sizeof(*aled) + strlen(led_info->name) + 1, + GFP_KERNEL); + if (!aled) + return -ENOMEM; + + aled->sw_priv = priv; + aled->led_num = led_info->led_num; + aled->active_low = led_info->active_low; + aled->mode = led_info->mode; + + if (aled->mode == AR8327_LED_MODE_HW) + aled->enable_hw_mode = true; + + aled->name = (char *)(aled + 1); + strcpy(aled->name, led_info->name); + + aled->cdev.name = aled->name; + aled->cdev.brightness_set = ar8327_led_set_brightness; + aled->cdev.blink_set = ar8327_led_blink_set; + aled->cdev.default_trigger = led_info->default_trigger; + + spin_lock_init(&aled->lock); + mutex_init(&aled->mutex); + INIT_WORK(&aled->led_work, ar8327_led_work_func); + + ret = ar8327_led_register(priv, aled); + if (ret) + goto err_free; + + data->leds[data->num_leds++] = aled; + + return 0; + +err_free: + kfree(aled); + return ret; +} + +static void +ar8327_led_destroy(struct ar8327_led *aled) +{ + ar8327_led_unregister(aled); + kfree(aled); +} + +static void +ar8327_leds_init(struct ar8xxx_priv *priv) +{ + struct ar8327_data *data = priv->chip_data; + unsigned i; + + if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS)) + return; + + for (i = 0; i < data->num_leds; i++) { + struct ar8327_led *aled; + + aled = data->leds[i]; + + if (aled->enable_hw_mode) + aled->pattern = AR8327_LED_PATTERN_RULE; + else + aled->pattern = AR8327_LED_PATTERN_OFF; + + ar8327_set_led_pattern(priv, aled->led_num, aled->pattern); + } +} + +static void +ar8327_leds_cleanup(struct ar8xxx_priv *priv) +{ + struct ar8327_data *data = priv->chip_data; + unsigned i; + + if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS)) + return; + + for (i = 0; i < data->num_leds; i++) { + struct ar8327_led *aled; + + aled = data->leds[i]; + ar8327_led_destroy(aled); + } + + kfree(data->leds); +} + +static int +ar8327_hw_config_pdata(struct ar8xxx_priv *priv, + struct ar8327_platform_data *pdata) +{ + struct ar8327_led_cfg *led_cfg; + struct ar8327_data *data = priv->chip_data; + u32 pos, new_pos; + u32 t; + + if (!pdata) + return -EINVAL; + + priv->get_port_link = pdata->get_port_link; + + data->port0_status = ar8327_get_port_init_status(&pdata->port0_cfg); + data->port6_status = ar8327_get_port_init_status(&pdata->port6_cfg); + + t = ar8327_get_pad_cfg(pdata->pad0_cfg); + if (chip_is_ar8337(priv)) + t |= AR8337_PAD_MAC06_EXCHANGE_EN; + + priv->write(priv, AR8327_REG_PAD0_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad5_cfg); + priv->write(priv, AR8327_REG_PAD5_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad6_cfg); + priv->write(priv, AR8327_REG_PAD6_MODE, t); + + pos = priv->read(priv, AR8327_REG_POWER_ON_STRIP); + new_pos = pos; + + led_cfg = pdata->led_cfg; + if (led_cfg) { + if (led_cfg->open_drain) + new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN; + else + new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN; + + priv->write(priv, AR8327_REG_LED_CTRL0, led_cfg->led_ctrl0); + priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1); + priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2); + priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3); + + if (new_pos != pos) + new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL; + } + + if (pdata->sgmii_cfg) { + t = pdata->sgmii_cfg->sgmii_ctrl; + if (priv->chip_rev == 1) + t |= AR8327_SGMII_CTRL_EN_PLL | + AR8327_SGMII_CTRL_EN_RX | + AR8327_SGMII_CTRL_EN_TX; + else + t &= ~(AR8327_SGMII_CTRL_EN_PLL | + AR8327_SGMII_CTRL_EN_RX | + AR8327_SGMII_CTRL_EN_TX); + + priv->write(priv, AR8327_REG_SGMII_CTRL, t); + + if (pdata->sgmii_cfg->serdes_aen) + new_pos &= ~AR8327_POWER_ON_STRIP_SERDES_AEN; + else + new_pos |= AR8327_POWER_ON_STRIP_SERDES_AEN; + } + + priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos); + + if (pdata->leds && pdata->num_leds) { + int i; + + data->leds = kzalloc(pdata->num_leds * sizeof(void *), + GFP_KERNEL); + if (!data->leds) + return -ENOMEM; + + for (i = 0; i < pdata->num_leds; i++) + ar8327_led_create(priv, &pdata->leds[i]); + } + + return 0; +} + +#ifdef CONFIG_OF +static int +ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np) +{ + struct ar8327_data *data = priv->chip_data; + const __be32 *paddr; + int len; + int i; + + paddr = of_get_property(np, "qca,ar8327-initvals", &len); + if (!paddr || len < (2 * sizeof(*paddr))) + return -EINVAL; + + len /= sizeof(*paddr); + + for (i = 0; i < len - 1; i += 2) { + u32 reg; + u32 val; + + reg = be32_to_cpup(paddr + i); + val = be32_to_cpup(paddr + i + 1); + + switch (reg) { + case AR8327_REG_PORT_STATUS(0): + data->port0_status = val; + break; + case AR8327_REG_PORT_STATUS(6): + data->port6_status = val; + break; + default: + priv->write(priv, reg, val); + break; + } + } + + return 0; +} +#else +static inline int +ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np) +{ + return -EINVAL; +} +#endif + +static int +ar8327_hw_init(struct ar8xxx_priv *priv) +{ + int ret; + + priv->chip_data = kzalloc(sizeof(struct ar8327_data), GFP_KERNEL); + if (!priv->chip_data) + return -ENOMEM; + + if (priv->phy->dev.of_node) + ret = ar8327_hw_config_of(priv, priv->phy->dev.of_node); + else + ret = ar8327_hw_config_pdata(priv, + priv->phy->dev.platform_data); + + if (ret) + return ret; + + ar8327_leds_init(priv); + + ar8xxx_phy_init(priv); + + return 0; +} + +static void +ar8327_cleanup(struct ar8xxx_priv *priv) +{ + ar8327_leds_cleanup(priv); +} + +static void +ar8327_init_globals(struct ar8xxx_priv *priv) +{ + u32 t; + + /* enable CPU port and disable mirror port */ + t = AR8327_FWD_CTRL0_CPU_PORT_EN | + AR8327_FWD_CTRL0_MIRROR_PORT; + priv->write(priv, AR8327_REG_FWD_CTRL0, t); + + /* forward multicast and broadcast frames to CPU */ + t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) | + (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) | + (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S); + priv->write(priv, AR8327_REG_FWD_CTRL1, t); + + /* enable jumbo frames */ + ar8xxx_rmw(priv, AR8327_REG_MAX_FRAME_SIZE, + AR8327_MAX_FRAME_SIZE_MTU, 9018 + 8 + 2); + + /* Enable MIB counters */ + ar8xxx_reg_set(priv, AR8327_REG_MODULE_EN, + AR8327_MODULE_EN_MIB); + + /* Disable EEE on all ports due to stability issues */ + t = priv->read(priv, AR8327_REG_EEE_CTRL); + t |= AR8327_EEE_CTRL_DISABLE_PHY(0) | + AR8327_EEE_CTRL_DISABLE_PHY(1) | + AR8327_EEE_CTRL_DISABLE_PHY(2) | + AR8327_EEE_CTRL_DISABLE_PHY(3) | + AR8327_EEE_CTRL_DISABLE_PHY(4); + priv->write(priv, AR8327_REG_EEE_CTRL, t); +} + +static void +ar8327_init_port(struct ar8xxx_priv *priv, int port) +{ + struct ar8327_data *data = priv->chip_data; + u32 t; + + if (port == AR8216_PORT_CPU) + t = data->port0_status; + else if (port == 6) + t = data->port6_status; + else + t = AR8216_PORT_STATUS_LINK_AUTO; + + priv->write(priv, AR8327_REG_PORT_STATUS(port), t); + priv->write(priv, AR8327_REG_PORT_HEADER(port), 0); + + t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S; + t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S; + priv->write(priv, AR8327_REG_PORT_VLAN0(port), t); + + t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = AR8327_PORT_LOOKUP_LEARN; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); +} + +static u32 +ar8327_read_port_status(struct ar8xxx_priv *priv, int port) +{ + return priv->read(priv, AR8327_REG_PORT_STATUS(port)); +} + +static int +ar8327_atu_flush(struct ar8xxx_priv *priv) +{ + int ret; + + ret = ar8216_wait_bit(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_BUSY, 0); + if (!ret) + priv->write(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_OP_FLUSH); + + return ret; +} + +static void +ar8327_vtu_op(struct ar8xxx_priv *priv, u32 op, u32 val) +{ + if (ar8216_wait_bit(priv, AR8327_REG_VTU_FUNC1, + AR8327_VTU_FUNC1_BUSY, 0)) + return; + + if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD) + priv->write(priv, AR8327_REG_VTU_FUNC0, val); + + op |= AR8327_VTU_FUNC1_BUSY; + priv->write(priv, AR8327_REG_VTU_FUNC1, op); +} + +static void +ar8327_vtu_flush(struct ar8xxx_priv *priv) { ar8327_vtu_op(priv, AR8327_VTU_FUNC1_OP_FLUSH, 0); } static void -ar8327_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) +ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask) { u32 op; u32 val; @@ -1196,7 +1805,7 @@ ar8327_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) mode = AR8327_VTU_FUNC0_EG_MODE_NOT; else if (priv->vlan == 0) mode = AR8327_VTU_FUNC0_EG_MODE_KEEP; - else if (priv->vlan_tagged & BIT(i)) + else if ((priv->vlan_tagged & BIT(i)) || (priv->vlan_id[priv->pvid[i]] != vid)) mode = AR8327_VTU_FUNC0_EG_MODE_TAG; else mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG; @@ -1207,31 +1816,26 @@ ar8327_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) } static void -ar8327_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, - u32 members, u32 pvid) +ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 members) { u32 t; - u32 mode; + u32 egress, ingress; + u32 pvid = priv->vlan_id[priv->pvid[port]]; + + if (priv->vlan) { + egress = AR8327_PORT_VLAN1_OUT_MODE_UNMOD; + ingress = AR8216_IN_SECURE; + } else { + egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; + ingress = AR8216_IN_PORT_ONLY; + } t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S; t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S; priv->write(priv, AR8327_REG_PORT_VLAN0(port), t); - mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD; - switch (egress) { - case AR8216_OUT_KEEP: - mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; - break; - case AR8216_OUT_STRIP_VLAN: - mode = AR8327_PORT_VLAN1_OUT_MODE_UNTAG; - break; - case AR8216_OUT_ADD_VLAN: - mode = AR8327_PORT_VLAN1_OUT_MODE_TAG; - break; - } - t = AR8327_PORT_VLAN1_PORT_VLAN_PROP; - t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S; + t |= egress << AR8327_PORT_VLAN1_OUT_MODE_S; priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); t = members; @@ -1243,7 +1847,14 @@ ar8327_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, static const struct ar8xxx_chip ar8327_chip = { .caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS, + .config_at_probe = true, + .mii_lo_first = true, + + .reg_port_stats_start = 0x1000, + .reg_port_stats_length = 0x100, + .hw_init = ar8327_hw_init, + .cleanup = ar8327_cleanup, .init_globals = ar8327_init_globals, .init_port = ar8327_init_port, .setup_port = ar8327_setup_port, @@ -1251,34 +1862,37 @@ static const struct ar8xxx_chip ar8327_chip = { .atu_flush = ar8327_atu_flush, .vtu_flush = ar8327_vtu_flush, .vtu_load_vlan = ar8327_vtu_load_vlan, + .phy_fixup = ar8327_phy_fixup, + .set_mirror_regs = ar8327_set_mirror_regs, .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, + .mib_func = AR8327_REG_MIB_FUNC }; static int -ar8216_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, +ar8xxx_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); priv->vlan = !!val->value.i; return 0; } static int -ar8216_sw_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, +ar8xxx_sw_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); val->value.i = priv->vlan; return 0; } static int -ar8216_sw_set_pvid(struct switch_dev *dev, int port, int vlan) +ar8xxx_sw_set_pvid(struct switch_dev *dev, int port, int vlan) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); /* make sure no invalid PVIDs get set */ @@ -1290,45 +1904,45 @@ ar8216_sw_set_pvid(struct switch_dev *dev, int port, int vlan) } static int -ar8216_sw_get_pvid(struct switch_dev *dev, int port, int *vlan) +ar8xxx_sw_get_pvid(struct switch_dev *dev, int port, int *vlan) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); *vlan = priv->pvid[port]; return 0; } static int -ar8216_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr, +ar8xxx_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); priv->vlan_id[val->port_vlan] = val->value.i; return 0; } static int -ar8216_sw_get_vid(struct switch_dev *dev, const struct switch_attr *attr, +ar8xxx_sw_get_vid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); val->value.i = priv->vlan_id[val->port_vlan]; return 0; } static int -ar8216_sw_get_port_link(struct switch_dev *dev, int port, +ar8xxx_sw_get_port_link(struct switch_dev *dev, int port, struct switch_port_link *link) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); ar8216_read_port_link(priv, port, link); return 0; } static int -ar8216_sw_get_ports(struct switch_dev *dev, struct switch_val *val) +ar8xxx_sw_get_ports(struct switch_dev *dev, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); u8 ports = priv->vlan_table[val->port_vlan]; int i; @@ -1350,9 +1964,33 @@ ar8216_sw_get_ports(struct switch_dev *dev, struct switch_val *val) } static int -ar8216_sw_set_ports(struct switch_dev *dev, struct switch_val *val) +ar8327_sw_get_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + u8 ports = priv->vlan_table[val->port_vlan]; + int i; + + val->len = 0; + for (i = 0; i < dev->ports; i++) { + struct switch_port *p; + + if (!(ports & (1 << i))) + continue; + + p = &val->value.ports[val->len++]; + p->id = i; + if ((priv->vlan_tagged & (1 << i)) || (priv->pvid[i] != val->port_vlan)) + p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); + else + p->flags = 0; + } + return 0; +} + +static int +ar8xxx_sw_set_ports(struct switch_dev *dev, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); u8 *vt = &priv->vlan_table[val->port_vlan]; int i, j; @@ -1381,9 +2019,116 @@ ar8216_sw_set_ports(struct switch_dev *dev, struct switch_val *val) } static int -ar8216_sw_hw_apply(struct switch_dev *dev) +ar8327_sw_set_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + u8 *vt = &priv->vlan_table[val->port_vlan]; + int i; + + *vt = 0; + for (i = 0; i < val->len; i++) { + struct switch_port *p = &val->value.ports[i]; + + if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) { + if (val->port_vlan == priv->pvid[p->id]) { + priv->vlan_tagged |= (1 << p->id); + } + } else { + priv->vlan_tagged &= ~(1 << p->id); + priv->pvid[p->id] = val->port_vlan; + } + + *vt |= 1 << p->id; + } + return 0; +} + +static void +ar8327_set_mirror_regs(struct ar8xxx_priv *priv) +{ + int port; + + /* reset all mirror registers */ + ar8xxx_rmw(priv, AR8327_REG_FWD_CTRL0, + AR8327_FWD_CTRL0_MIRROR_PORT, + (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S)); + for (port = 0; port < AR8327_NUM_PORTS; port++) { + ar8xxx_rmw(priv, AR8327_REG_PORT_LOOKUP(port), + AR8327_PORT_LOOKUP_ING_MIRROR_EN, + 0); + + ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(port), + AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN, + 0); + } + + /* now enable mirroring if necessary */ + if (priv->source_port >= AR8327_NUM_PORTS || + priv->monitor_port >= AR8327_NUM_PORTS || + priv->source_port == priv->monitor_port) { + return; + } + + ar8xxx_rmw(priv, AR8327_REG_FWD_CTRL0, + AR8327_FWD_CTRL0_MIRROR_PORT, + (priv->monitor_port << AR8327_FWD_CTRL0_MIRROR_PORT_S)); + + if (priv->mirror_rx) + ar8xxx_rmw(priv, AR8327_REG_PORT_LOOKUP(priv->source_port), + AR8327_PORT_LOOKUP_ING_MIRROR_EN, + AR8327_PORT_LOOKUP_ING_MIRROR_EN); + + if (priv->mirror_tx) + ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(priv->source_port), + AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN, + AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN); +} + +static void +ar8216_set_mirror_regs(struct ar8xxx_priv *priv) +{ + int port; + + /* reset all mirror registers */ + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CPUPORT, + AR8216_GLOBAL_CPUPORT_MIRROR_PORT, + (0xF << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S)); + for (port = 0; port < AR8216_NUM_PORTS; port++) { + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_MIRROR_RX, + 0); + + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_MIRROR_TX, + 0); + } + + /* now enable mirroring if necessary */ + if (priv->source_port >= AR8216_NUM_PORTS || + priv->monitor_port >= AR8216_NUM_PORTS || + priv->source_port == priv->monitor_port) { + return; + } + + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CPUPORT, + AR8216_GLOBAL_CPUPORT_MIRROR_PORT, + (priv->monitor_port << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S)); + + if (priv->mirror_rx) + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(priv->source_port), + AR8216_PORT_CTRL_MIRROR_RX, + AR8216_PORT_CTRL_MIRROR_RX); + + if (priv->mirror_tx) + ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(priv->source_port), + AR8216_PORT_CTRL_MIRROR_TX, + AR8216_PORT_CTRL_MIRROR_TX); +} + +static int +ar8xxx_sw_hw_apply(struct switch_dev *dev) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); u8 portmask[AR8X16_MAX_PORTS]; int i, j; @@ -1424,86 +2169,178 @@ ar8216_sw_hw_apply(struct switch_dev *dev) /* update the port destination mask registers and tag settings */ for (i = 0; i < dev->ports; i++) { - int egress, ingress; - int pvid; - - if (priv->vlan) { - pvid = priv->vlan_id[priv->pvid[i]]; - if (priv->vlan_tagged & (1 << i)) - egress = AR8216_OUT_ADD_VLAN; - else - egress = AR8216_OUT_STRIP_VLAN; - ingress = AR8216_IN_SECURE; - } else { - pvid = i; - egress = AR8216_OUT_KEEP; - ingress = AR8216_IN_PORT_ONLY; - } + priv->chip->setup_port(priv, i, portmask[i]); + } + + priv->chip->set_mirror_regs(priv); + + mutex_unlock(&priv->reg_mutex); + return 0; +} + +static int +ar8xxx_sw_reset_switch(struct switch_dev *dev) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + int i; + + mutex_lock(&priv->reg_mutex); + memset(&priv->vlan, 0, sizeof(struct ar8xxx_priv) - + offsetof(struct ar8xxx_priv, vlan)); + + for (i = 0; i < AR8X16_MAX_VLANS; i++) + priv->vlan_id[i] = i; + + /* Configure all ports */ + for (i = 0; i < dev->ports; i++) + priv->chip->init_port(priv, i); + + priv->mirror_rx = false; + priv->mirror_tx = false; + priv->source_port = 0; + priv->monitor_port = 0; + + priv->chip->init_globals(priv); + + mutex_unlock(&priv->reg_mutex); + + return ar8xxx_sw_hw_apply(dev); +} + +static int +ar8xxx_sw_set_reset_mibs(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + unsigned int len; + int ret; + + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; + + mutex_lock(&priv->mib_lock); + + len = priv->dev.ports * priv->chip->num_mibs * + sizeof(*priv->mib_stats); + memset(priv->mib_stats, '\0', len); + ret = ar8xxx_mib_flush(priv); + if (ret) + goto unlock; + + ret = 0; + +unlock: + mutex_unlock(&priv->mib_lock); + return ret; +} + +static int +ar8xxx_sw_set_mirror_rx_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + + mutex_lock(&priv->reg_mutex); + priv->mirror_rx = !!val->value.i; + priv->chip->set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); + + return 0; +} + +static int +ar8xxx_sw_get_mirror_rx_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + val->value.i = priv->mirror_rx; + return 0; +} + +static int +ar8xxx_sw_set_mirror_tx_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + + mutex_lock(&priv->reg_mutex); + priv->mirror_tx = !!val->value.i; + priv->chip->set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); + + return 0; +} - priv->chip->setup_port(priv, i, egress, ingress, portmask[i], - pvid); - } - mutex_unlock(&priv->reg_mutex); +static int +ar8xxx_sw_get_mirror_tx_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + val->value.i = priv->mirror_tx; return 0; } static int -ar8216_sw_reset_switch(struct switch_dev *dev) +ar8xxx_sw_set_mirror_monitor_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); - int i; + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); mutex_lock(&priv->reg_mutex); - memset(&priv->vlan, 0, sizeof(struct ar8216_priv) - - offsetof(struct ar8216_priv, vlan)); - - for (i = 0; i < AR8X16_MAX_VLANS; i++) - priv->vlan_id[i] = i; - - /* Configure all ports */ - for (i = 0; i < dev->ports; i++) - priv->chip->init_port(priv, i); - - priv->chip->init_globals(priv); + priv->monitor_port = val->value.i; + priv->chip->set_mirror_regs(priv); mutex_unlock(&priv->reg_mutex); - return ar8216_sw_hw_apply(dev); + return 0; } static int -ar8216_sw_set_reset_mibs(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) +ar8xxx_sw_get_mirror_monitor_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); - unsigned int len; - int ret; - - if (!ar8xxx_has_mib_counters(priv)) - return -EOPNOTSUPP; + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + val->value.i = priv->monitor_port; + return 0; +} - mutex_lock(&priv->mib_lock); +static int +ar8xxx_sw_set_mirror_source_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); - len = priv->dev.ports * priv->chip->num_mibs * - sizeof(*priv->mib_stats); - memset(priv->mib_stats, '\0', len); - ret = ar8216_mib_flush(priv); - if (ret) - goto unlock; + mutex_lock(&priv->reg_mutex); + priv->source_port = val->value.i; + priv->chip->set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); - ret = 0; + return 0; +} -unlock: - mutex_unlock(&priv->mib_lock); - return ret; +static int +ar8xxx_sw_get_mirror_source_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + val->value.i = priv->source_port; + return 0; } static int -ar8216_sw_set_port_reset_mib(struct switch_dev *dev, +ar8xxx_sw_set_port_reset_mib(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); int port; int ret; @@ -1515,11 +2352,11 @@ ar8216_sw_set_port_reset_mib(struct switch_dev *dev, return -EINVAL; mutex_lock(&priv->mib_lock); - ret = ar8216_mib_capture(priv); + ret = ar8xxx_mib_capture(priv); if (ret) goto unlock; - ar8216_mib_fetch_port_stat(priv, port, true); + ar8xxx_mib_fetch_port_stat(priv, port, true); ret = 0; @@ -1529,11 +2366,11 @@ unlock: } static int -ar8216_sw_get_port_mib(struct switch_dev *dev, +ar8xxx_sw_get_port_mib(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { - struct ar8216_priv *priv = to_ar8216(dev); + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); const struct ar8xxx_chip *chip = priv->chip; u64 *mib_stats; int port; @@ -1549,11 +2386,11 @@ ar8216_sw_get_port_mib(struct switch_dev *dev, return -EINVAL; mutex_lock(&priv->mib_lock); - ret = ar8216_mib_capture(priv); + ret = ar8xxx_mib_capture(priv); if (ret) goto unlock; - ar8216_mib_fetch_port_stat(priv, port, false); + ar8xxx_mib_fetch_port_stat(priv, port, false); len += snprintf(buf + len, sizeof(priv->buf) - len, "Port %d MIB counters\n", @@ -1576,81 +2413,183 @@ unlock: return ret; } -static struct switch_attr ar8216_globals[] = { +static struct switch_attr ar8xxx_sw_attr_globals[] = { { .type = SWITCH_TYPE_INT, .name = "enable_vlan", .description = "Enable VLAN mode", - .set = ar8216_sw_set_vlan, - .get = ar8216_sw_get_vlan, + .set = ar8xxx_sw_set_vlan, + .get = ar8xxx_sw_get_vlan, .max = 1 }, { .type = SWITCH_TYPE_NOVAL, .name = "reset_mibs", .description = "Reset all MIB counters", - .set = ar8216_sw_set_reset_mibs, + .set = ar8xxx_sw_set_reset_mibs, + }, + { + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_rx", + .description = "Enable mirroring of RX packets", + .set = ar8xxx_sw_set_mirror_rx_enable, + .get = ar8xxx_sw_get_mirror_rx_enable, + .max = 1 + }, + { + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_tx", + .description = "Enable mirroring of TX packets", + .set = ar8xxx_sw_set_mirror_tx_enable, + .get = ar8xxx_sw_get_mirror_tx_enable, + .max = 1 + }, + { + .type = SWITCH_TYPE_INT, + .name = "mirror_monitor_port", + .description = "Mirror monitor port", + .set = ar8xxx_sw_set_mirror_monitor_port, + .get = ar8xxx_sw_get_mirror_monitor_port, + .max = AR8216_NUM_PORTS - 1 }, + { + .type = SWITCH_TYPE_INT, + .name = "mirror_source_port", + .description = "Mirror source port", + .set = ar8xxx_sw_set_mirror_source_port, + .get = ar8xxx_sw_get_mirror_source_port, + .max = AR8216_NUM_PORTS - 1 + }, +}; +static struct switch_attr ar8327_sw_attr_globals[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = ar8xxx_sw_set_vlan, + .get = ar8xxx_sw_get_vlan, + .max = 1 + }, + { + .type = SWITCH_TYPE_NOVAL, + .name = "reset_mibs", + .description = "Reset all MIB counters", + .set = ar8xxx_sw_set_reset_mibs, + }, + { + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_rx", + .description = "Enable mirroring of RX packets", + .set = ar8xxx_sw_set_mirror_rx_enable, + .get = ar8xxx_sw_get_mirror_rx_enable, + .max = 1 + }, + { + .type = SWITCH_TYPE_INT, + .name = "enable_mirror_tx", + .description = "Enable mirroring of TX packets", + .set = ar8xxx_sw_set_mirror_tx_enable, + .get = ar8xxx_sw_get_mirror_tx_enable, + .max = 1 + }, + { + .type = SWITCH_TYPE_INT, + .name = "mirror_monitor_port", + .description = "Mirror monitor port", + .set = ar8xxx_sw_set_mirror_monitor_port, + .get = ar8xxx_sw_get_mirror_monitor_port, + .max = AR8327_NUM_PORTS - 1 + }, + { + .type = SWITCH_TYPE_INT, + .name = "mirror_source_port", + .description = "Mirror source port", + .set = ar8xxx_sw_set_mirror_source_port, + .get = ar8xxx_sw_get_mirror_source_port, + .max = AR8327_NUM_PORTS - 1 + }, }; -static struct switch_attr ar8216_port[] = { +static struct switch_attr ar8xxx_sw_attr_port[] = { { .type = SWITCH_TYPE_NOVAL, .name = "reset_mib", .description = "Reset single port MIB counters", - .set = ar8216_sw_set_port_reset_mib, + .set = ar8xxx_sw_set_port_reset_mib, }, { .type = SWITCH_TYPE_STRING, .name = "mib", .description = "Get port's MIB counters", .set = NULL, - .get = ar8216_sw_get_port_mib, + .get = ar8xxx_sw_get_port_mib, }, }; -static struct switch_attr ar8216_vlan[] = { +static struct switch_attr ar8xxx_sw_attr_vlan[] = { { .type = SWITCH_TYPE_INT, .name = "vid", .description = "VLAN ID (0-4094)", - .set = ar8216_sw_set_vid, - .get = ar8216_sw_get_vid, + .set = ar8xxx_sw_set_vid, + .get = ar8xxx_sw_get_vid, .max = 4094, }, }; -static const struct switch_dev_ops ar8216_sw_ops = { +static const struct switch_dev_ops ar8xxx_sw_ops = { + .attr_global = { + .attr = ar8xxx_sw_attr_globals, + .n_attr = ARRAY_SIZE(ar8xxx_sw_attr_globals), + }, + .attr_port = { + .attr = ar8xxx_sw_attr_port, + .n_attr = ARRAY_SIZE(ar8xxx_sw_attr_port), + }, + .attr_vlan = { + .attr = ar8xxx_sw_attr_vlan, + .n_attr = ARRAY_SIZE(ar8xxx_sw_attr_vlan), + }, + .get_port_pvid = ar8xxx_sw_get_pvid, + .set_port_pvid = ar8xxx_sw_set_pvid, + .get_vlan_ports = ar8xxx_sw_get_ports, + .set_vlan_ports = ar8xxx_sw_set_ports, + .apply_config = ar8xxx_sw_hw_apply, + .reset_switch = ar8xxx_sw_reset_switch, + .get_port_link = ar8xxx_sw_get_port_link, +}; + +static const struct switch_dev_ops ar8327_sw_ops = { .attr_global = { - .attr = ar8216_globals, - .n_attr = ARRAY_SIZE(ar8216_globals), + .attr = ar8327_sw_attr_globals, + .n_attr = ARRAY_SIZE(ar8327_sw_attr_globals), }, .attr_port = { - .attr = ar8216_port, - .n_attr = ARRAY_SIZE(ar8216_port), + .attr = ar8xxx_sw_attr_port, + .n_attr = ARRAY_SIZE(ar8xxx_sw_attr_port), }, .attr_vlan = { - .attr = ar8216_vlan, - .n_attr = ARRAY_SIZE(ar8216_vlan), + .attr = ar8xxx_sw_attr_vlan, + .n_attr = ARRAY_SIZE(ar8xxx_sw_attr_vlan), }, - .get_port_pvid = ar8216_sw_get_pvid, - .set_port_pvid = ar8216_sw_set_pvid, - .get_vlan_ports = ar8216_sw_get_ports, - .set_vlan_ports = ar8216_sw_set_ports, - .apply_config = ar8216_sw_hw_apply, - .reset_switch = ar8216_sw_reset_switch, - .get_port_link = ar8216_sw_get_port_link, + .get_port_pvid = ar8xxx_sw_get_pvid, + .set_port_pvid = ar8xxx_sw_set_pvid, + .get_vlan_ports = ar8327_sw_get_ports, + .set_vlan_ports = ar8327_sw_set_ports, + .apply_config = ar8xxx_sw_hw_apply, + .reset_switch = ar8xxx_sw_reset_switch, + .get_port_link = ar8xxx_sw_get_port_link, }; static int -ar8216_id_chip(struct ar8216_priv *priv) +ar8xxx_id_chip(struct ar8xxx_priv *priv) { u32 val; u16 id; int i; - val = ar8216_mii_read(priv, AR8216_REG_CTRL); + val = priv->read(priv, AR8216_REG_CTRL); if (val == ~0) return -ENODEV; @@ -1658,7 +2597,7 @@ ar8216_id_chip(struct ar8216_priv *priv) for (i = 0; i < AR8X16_PROBE_RETRIES; i++) { u16 t; - val = ar8216_mii_read(priv, AR8216_REG_CTRL); + val = priv->read(priv, AR8216_REG_CTRL); if (val == ~0) return -ENODEV; @@ -1681,15 +2620,14 @@ ar8216_id_chip(struct ar8216_priv *priv) priv->chip = &ar8316_chip; break; case AR8XXX_VER_AR8327: - priv->mii_lo_first = true; + priv->chip = &ar8327_chip; + break; + case AR8XXX_VER_AR8337: priv->chip = &ar8327_chip; break; default: - printk(KERN_DEBUG - "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n", - priv->chip_ver, priv->chip_rev, - mdiobus_read(priv->phy->bus, priv->phy->addr, 2), - mdiobus_read(priv->phy->bus, priv->phy->addr, 3)); + pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n", + priv->chip_ver, priv->chip_rev); return -ENODEV; } @@ -1700,18 +2638,18 @@ ar8216_id_chip(struct ar8216_priv *priv) static void ar8xxx_mib_work_func(struct work_struct *work) { - struct ar8216_priv *priv; + struct ar8xxx_priv *priv; int err; - priv = container_of(work, struct ar8216_priv, mib_work.work); + priv = container_of(work, struct ar8xxx_priv, mib_work.work); mutex_lock(&priv->mib_lock); - err = ar8216_mib_capture(priv); + err = ar8xxx_mib_capture(priv); if (err) goto next_port; - ar8216_mib_fetch_port_stat(priv, priv->mib_next_port, false); + ar8xxx_mib_fetch_port_stat(priv, priv->mib_next_port, false); next_port: priv->mib_next_port++; @@ -1724,7 +2662,7 @@ next_port: } static int -ar8xxx_mib_init(struct ar8216_priv *priv) +ar8xxx_mib_init(struct ar8xxx_priv *priv) { unsigned int len; @@ -1740,14 +2678,11 @@ ar8xxx_mib_init(struct ar8216_priv *priv) if (!priv->mib_stats) return -ENOMEM; - mutex_init(&priv->mib_lock); - INIT_DELAYED_WORK(&priv->mib_work, ar8xxx_mib_work_func); - return 0; } static void -ar8xxx_mib_start(struct ar8216_priv *priv) +ar8xxx_mib_start(struct ar8xxx_priv *priv) { if (!ar8xxx_has_mib_counters(priv)) return; @@ -1757,96 +2692,75 @@ ar8xxx_mib_start(struct ar8216_priv *priv) } static void -ar8xxx_mib_cleanup(struct ar8216_priv *priv) +ar8xxx_mib_stop(struct ar8xxx_priv *priv) { if (!ar8xxx_has_mib_counters(priv)) return; cancel_delayed_work(&priv->mib_work); - kfree(priv->mib_stats); } -static int -ar8216_config_init(struct phy_device *pdev) +static struct ar8xxx_priv * +ar8xxx_create(void) { - struct ar8216_priv *priv = pdev->priv; - struct net_device *dev = pdev->attached_dev; - struct switch_dev *swdev; - int ret; - - if (!priv) { - priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); - if (priv == NULL) - return -ENOMEM; - } - - priv->phy = pdev; + struct ar8xxx_priv *priv; - ret = ar8216_id_chip(priv); - if (ret) - goto err_free_priv; + priv = kzalloc(sizeof(struct ar8xxx_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; - if (pdev->addr != 0) { - if (ar8xxx_has_gige(priv)) { - pdev->supported |= SUPPORTED_1000baseT_Full; - pdev->advertising |= ADVERTISED_1000baseT_Full; - } + mutex_init(&priv->reg_mutex); + mutex_init(&priv->mib_lock); + INIT_DELAYED_WORK(&priv->mib_work, ar8xxx_mib_work_func); - if (chip_is_ar8316(priv)) { - /* check if we're attaching to the switch twice */ - pdev = pdev->bus->phy_map[0]; - if (!pdev) { - kfree(priv); - return 0; - } + return priv; +} - /* switch device has not been initialized, reuse priv */ - if (!pdev->priv) { - priv->port4_phy = true; - pdev->priv = priv; - return 0; - } +static void +ar8xxx_free(struct ar8xxx_priv *priv) +{ + if (priv->chip && priv->chip->cleanup) + priv->chip->cleanup(priv); - kfree(priv); + kfree(priv->chip_data); + kfree(priv->mib_stats); + kfree(priv); +} - /* switch device has been initialized, reinit */ - priv = pdev->priv; - priv->dev.ports = (AR8216_NUM_PORTS - 1); - priv->initialized = false; - priv->port4_phy = true; - ar8316_hw_init(priv); - return 0; - } +static struct ar8xxx_priv * +ar8xxx_create_mii(struct mii_bus *bus) +{ + struct ar8xxx_priv *priv; - kfree(priv); - return 0; + priv = ar8xxx_create(); + if (priv) { + priv->mii_bus = bus; + priv->read = ar8xxx_mii_read; + priv->write = ar8xxx_mii_write; + priv->rmw = ar8xxx_mii_rmw; } - if (ar8xxx_has_gige(priv)) - pdev->supported = SUPPORTED_1000baseT_Full; - else - pdev->supported = SUPPORTED_100baseT_Full; - pdev->advertising = pdev->supported; + return priv; +} - mutex_init(&priv->reg_mutex); - priv->read = ar8216_mii_read; - priv->write = ar8216_mii_write; +static int +ar8xxx_probe_switch(struct ar8xxx_priv *priv) +{ + struct switch_dev *swdev; + int ret; - pdev->priv = priv; + ret = ar8xxx_id_chip(priv); + if (ret) + return ret; swdev = &priv->dev; swdev->cpu_port = AR8216_PORT_CPU; - swdev->ops = &ar8216_sw_ops; - swdev->ports = AR8216_NUM_PORTS; + swdev->ops = &ar8xxx_sw_ops; if (chip_is_ar8316(priv)) { swdev->name = "Atheros AR8316"; swdev->vlans = AR8X16_MAX_VLANS; - - if (priv->port4_phy) { - /* port 5 connected to the other mac, therefore unusable */ - swdev->ports = (AR8216_NUM_PORTS - 1); - } + swdev->ports = AR8216_NUM_PORTS; } else if (chip_is_ar8236(priv)) { swdev->name = "Atheros AR8236"; swdev->vlans = AR8216_NUM_VLANS; @@ -1855,61 +2769,94 @@ ar8216_config_init(struct phy_device *pdev) swdev->name = "Atheros AR8327"; swdev->vlans = AR8X16_MAX_VLANS; swdev->ports = AR8327_NUM_PORTS; + swdev->ops = &ar8327_sw_ops; + } else if (chip_is_ar8337(priv)) { + swdev->name = "Atheros AR8337"; + swdev->vlans = AR8X16_MAX_VLANS; + swdev->ports = AR8327_NUM_PORTS; + swdev->ops = &ar8327_sw_ops; } else { swdev->name = "Atheros AR8216"; swdev->vlans = AR8216_NUM_VLANS; + swdev->ports = AR8216_NUM_PORTS; } ret = ar8xxx_mib_init(priv); if (ret) - goto err_free_priv; + return ret; - ret = register_switch(swdev, pdev->attached_dev); - if (ret) - goto err_cleanup_mib; + return 0; +} - printk(KERN_INFO "%s: %s switch driver attached.\n", - pdev->attached_dev->name, swdev->name); +static int +ar8xxx_start(struct ar8xxx_priv *priv) +{ + int ret; priv->init = true; ret = priv->chip->hw_init(priv); if (ret) - goto err_unregister_switch; + return ret; - ret = ar8216_sw_reset_switch(&priv->dev); + ret = ar8xxx_sw_reset_switch(&priv->dev); if (ret) - goto err_unregister_switch; + return ret; + + priv->init = false; + + ar8xxx_mib_start(priv); + + return 0; +} + +static int +ar8xxx_phy_config_init(struct phy_device *phydev) +{ + struct ar8xxx_priv *priv = phydev->priv; + struct net_device *dev = phydev->attached_dev; + int ret; + + if (WARN_ON(!priv)) + return -ENODEV; + + if (priv->chip->config_at_probe) + return ar8xxx_phy_check_aneg(phydev); + + priv->phy = phydev; + + if (phydev->addr != 0) { + if (chip_is_ar8316(priv)) { + /* switch device has been initialized, reinit */ + priv->dev.ports = (AR8216_NUM_PORTS - 1); + priv->initialized = false; + priv->port4_phy = true; + ar8316_hw_init(priv); + return 0; + } - dev->phy_ptr = priv; + return 0; + } + + ret = ar8xxx_start(priv); + if (ret) + return ret; /* VID fixup only needed on ar8216 */ - if (chip_is_ar8216(priv) && pdev->addr == 0) { + if (chip_is_ar8216(priv)) { + dev->phy_ptr = priv; dev->priv_flags |= IFF_NO_IP_ALIGN; dev->eth_mangle_rx = ar8216_mangle_rx; dev->eth_mangle_tx = ar8216_mangle_tx; } - priv->init = false; - - ar8xxx_mib_start(priv); - return 0; - -err_unregister_switch: - unregister_switch(&priv->dev); -err_cleanup_mib: - ar8xxx_mib_cleanup(priv); -err_free_priv: - kfree(priv); - pdev->priv = NULL; - return ret; } static int -ar8216_read_status(struct phy_device *phydev) +ar8xxx_phy_read_status(struct phy_device *phydev) { - struct ar8216_priv *priv = phydev->priv; + struct ar8xxx_priv *priv = phydev->priv; struct switch_port_link link; int ret; @@ -1949,7 +2896,7 @@ ar8216_read_status(struct phy_device *phydev) } static int -ar8216_config_aneg(struct phy_device *phydev) +ar8xxx_phy_config_aneg(struct phy_device *phydev) { if (phydev->addr == 0) return 0; @@ -1957,72 +2904,207 @@ ar8216_config_aneg(struct phy_device *phydev) return genphy_config_aneg(phydev); } +static const u32 ar8xxx_phy_ids[] = { + 0x004dd033, + 0x004dd034, /* AR8327 */ + 0x004dd036, /* AR8337 */ + 0x004dd041, + 0x004dd042, + 0x004dd043, /* AR8236 */ +}; + +static bool +ar8xxx_phy_match(u32 phy_id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ar8xxx_phy_ids); i++) + if (phy_id == ar8xxx_phy_ids[i]) + return true; + + return false; +} + +static bool +ar8xxx_is_possible(struct mii_bus *bus) +{ + unsigned i; + + for (i = 0; i < 4; i++) { + u32 phy_id; + + phy_id = mdiobus_read(bus, i, MII_PHYSID1) << 16; + phy_id |= mdiobus_read(bus, i, MII_PHYSID2); + if (!ar8xxx_phy_match(phy_id)) { + pr_debug("ar8xxx: unknown PHY at %s:%02x id:%08x\n", + dev_name(&bus->dev), i, phy_id); + return false; + } + } + + return true; +} + static int -ar8216_probe(struct phy_device *pdev) +ar8xxx_phy_probe(struct phy_device *phydev) { - struct ar8216_priv *priv; + struct ar8xxx_priv *priv; + struct switch_dev *swdev; int ret; - priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); - if (priv == NULL) - return -ENOMEM; + /* skip PHYs at unused adresses */ + if (phydev->addr != 0 && phydev->addr != 4) + return -ENODEV; + + if (!ar8xxx_is_possible(phydev->bus)) + return -ENODEV; - priv->phy = pdev; + mutex_lock(&ar8xxx_dev_list_lock); + list_for_each_entry(priv, &ar8xxx_dev_list, list) + if (priv->mii_bus == phydev->bus) + goto found; - ret = ar8216_id_chip(priv); - kfree(priv); + priv = ar8xxx_create_mii(phydev->bus); + if (priv == NULL) { + ret = -ENOMEM; + goto unlock; + } + + ret = ar8xxx_probe_switch(priv); + if (ret) + goto free_priv; + + swdev = &priv->dev; + swdev->alias = dev_name(&priv->mii_bus->dev); + ret = register_switch(swdev, NULL); + if (ret) + goto free_priv; + + pr_info("%s: %s rev. %u switch registered on %s\n", + swdev->devname, swdev->name, priv->chip_rev, + dev_name(&priv->mii_bus->dev)); + +found: + priv->use_count++; + + if (phydev->addr == 0) { + if (ar8xxx_has_gige(priv)) { + phydev->supported = SUPPORTED_1000baseT_Full; + phydev->advertising = ADVERTISED_1000baseT_Full; + } else { + phydev->supported = SUPPORTED_100baseT_Full; + phydev->advertising = ADVERTISED_100baseT_Full; + } + + if (priv->chip->config_at_probe) { + priv->phy = phydev; + + ret = ar8xxx_start(priv); + if (ret) + goto err_unregister_switch; + } + } else { + if (ar8xxx_has_gige(priv)) { + phydev->supported |= SUPPORTED_1000baseT_Full; + phydev->advertising |= ADVERTISED_1000baseT_Full; + } + } + + phydev->priv = priv; + + list_add(&priv->list, &ar8xxx_dev_list); + + mutex_unlock(&ar8xxx_dev_list_lock); + + return 0; + +err_unregister_switch: + if (--priv->use_count) + goto unlock; + unregister_switch(&priv->dev); + +free_priv: + ar8xxx_free(priv); +unlock: + mutex_unlock(&ar8xxx_dev_list_lock); return ret; } static void -ar8216_remove(struct phy_device *pdev) +ar8xxx_phy_detach(struct phy_device *phydev) { - struct ar8216_priv *priv = pdev->priv; - struct net_device *dev = pdev->attached_dev; + struct net_device *dev = phydev->attached_dev; - if (!priv) + if (!dev) return; - pdev->priv = NULL; - + dev->phy_ptr = NULL; dev->priv_flags &= ~IFF_NO_IP_ALIGN; dev->eth_mangle_rx = NULL; dev->eth_mangle_tx = NULL; +} + +static void +ar8xxx_phy_remove(struct phy_device *phydev) +{ + struct ar8xxx_priv *priv = phydev->priv; - if (pdev->addr == 0) - unregister_switch(&priv->dev); + if (WARN_ON(!priv)) + return; - ar8xxx_mib_cleanup(priv); - kfree(priv); + phydev->priv = NULL; + if (--priv->use_count > 0) + return; + + mutex_lock(&ar8xxx_dev_list_lock); + list_del(&priv->list); + mutex_unlock(&ar8xxx_dev_list_lock); + + unregister_switch(&priv->dev); + ar8xxx_mib_stop(priv); + ar8xxx_free(priv); +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0) +static int +ar8xxx_phy_soft_reset(struct phy_device *phydev) +{ + /* we don't need an extra reset */ + return 0; } +#endif -static struct phy_driver ar8216_driver = { +static struct phy_driver ar8xxx_phy_driver = { .phy_id = 0x004d0000, .name = "Atheros AR8216/AR8236/AR8316", .phy_id_mask = 0xffff0000, .features = PHY_BASIC_FEATURES, - .probe = ar8216_probe, - .remove = ar8216_remove, - .config_init = &ar8216_config_init, - .config_aneg = &ar8216_config_aneg, - .read_status = &ar8216_read_status, + .probe = ar8xxx_phy_probe, + .remove = ar8xxx_phy_remove, + .detach = ar8xxx_phy_detach, + .config_init = ar8xxx_phy_config_init, + .config_aneg = ar8xxx_phy_config_aneg, + .read_status = ar8xxx_phy_read_status, +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0) + .soft_reset = ar8xxx_phy_soft_reset, +#endif .driver = { .owner = THIS_MODULE }, }; int __init -ar8216_init(void) +ar8xxx_init(void) { - return phy_driver_register(&ar8216_driver); + return phy_driver_register(&ar8xxx_phy_driver); } void __exit -ar8216_exit(void) +ar8xxx_exit(void) { - phy_driver_unregister(&ar8216_driver); + phy_driver_unregister(&ar8xxx_phy_driver); } -module_init(ar8216_init); -module_exit(ar8216_exit); +module_init(ar8xxx_init); +module_exit(ar8xxx_exit); MODULE_LICENSE("GPL");