From 6137bedf972f576765c6e5d4373a488951371609 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Tue, 13 May 2014 00:37:30 +0200 Subject: [PATCH] phy: add ar8216 PHY support --- drivers/net/phy/Kconfig | 9 + drivers/net/phy/Makefile | 1 + drivers/net/phy/ar8216.c | 2978 +++++++++++++++++++++++++++++++++++++++ drivers/net/phy/ar8216.h | 492 +++++++ include/linux/ar8216_platform.h | 131 ++ 5 files changed, 3611 insertions(+) create mode 100644 drivers/net/phy/ar8216.c create mode 100644 drivers/net/phy/ar8216.h create mode 100644 include/linux/ar8216_platform.h diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 36a13fc..0414889 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -116,6 +116,15 @@ config MICREL_PHY ---help--- Supports the KSZ9021, VSC8201, KS8001 PHYs. +config AR8216_PHY + tristate "Driver for Atheros AR8216 switches" + select ETHERNET_PACKET_MANGLE + select SWCONFIG + +config AR8216_PHY_LEDS + bool "Atheros AR8216 switch LED support" + depends on (AR8216_PHY && LEDS_CLASS) + config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" depends on PHYLIB=y diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index b510bd6..3c76ff8 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o obj-$(CONFIG_REALTEK_PHY) += realtek.o +obj-$(CONFIG_AR8216_PHY) += ar8216.o obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o obj-$(CONFIG_FIXED_PHY) += fixed.o obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/drivers/net/phy/ar8216.c b/drivers/net/phy/ar8216.c new file mode 100644 index 0000000..3f60878 --- /dev/null +++ b/drivers/net/phy/ar8216.c @@ -0,0 +1,2978 @@ +/* + * ar8216.c: AR8216 switch driver + * + * Copyright (C) 2009 Felix Fietkau + * Copyright (C) 2011-2012 Gabor Juhos + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ar8216.h" + +/* size of the vlan table */ +#define AR8X16_MAX_VLANS 128 +#define AR8X16_PROBE_RETRIES 10 +#define AR8X16_MAX_PORTS 8 + +#define AR8XXX_MIB_WORK_DELAY 2000 /* msecs */ + +struct ar8xxx_priv; + +#define AR8XXX_CAP_GIGE BIT(0) +#define AR8XXX_CAP_MIB_COUNTERS BIT(1) + +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 { + unsigned int size; + unsigned int offset; + const char *name; +}; + +struct ar8xxx_chip { + unsigned long caps; + + 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 egress, + u32 ingress, u32 members, u32 pvid); + 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); + + const struct ar8xxx_mib_desc *mib_decs; + unsigned num_mibs; +}; + +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 ar8xxx_priv { + struct switch_dev dev; + struct mii_bus *mii_bus; + struct phy_device *phy; + + 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; + union { + struct ar8327_data ar8327; + } 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) \ + { \ + .size = (_s), \ + .offset = (_o), \ + .name = (_n), \ + } + +static const struct ar8xxx_mib_desc ar8216_mibs[] = { + MIB_DESC(1, AR8216_STATS_RXBROAD, "RxBroad"), + MIB_DESC(1, AR8216_STATS_RXPAUSE, "RxPause"), + MIB_DESC(1, AR8216_STATS_RXMULTI, "RxMulti"), + MIB_DESC(1, AR8216_STATS_RXFCSERR, "RxFcsErr"), + MIB_DESC(1, AR8216_STATS_RXALIGNERR, "RxAlignErr"), + MIB_DESC(1, AR8216_STATS_RXRUNT, "RxRunt"), + MIB_DESC(1, AR8216_STATS_RXFRAGMENT, "RxFragment"), + MIB_DESC(1, AR8216_STATS_RX64BYTE, "Rx64Byte"), + MIB_DESC(1, AR8216_STATS_RX128BYTE, "Rx128Byte"), + MIB_DESC(1, AR8216_STATS_RX256BYTE, "Rx256Byte"), + MIB_DESC(1, AR8216_STATS_RX512BYTE, "Rx512Byte"), + MIB_DESC(1, AR8216_STATS_RX1024BYTE, "Rx1024Byte"), + MIB_DESC(1, AR8216_STATS_RXMAXBYTE, "RxMaxByte"), + MIB_DESC(1, AR8216_STATS_RXTOOLONG, "RxTooLong"), + MIB_DESC(2, AR8216_STATS_RXGOODBYTE, "RxGoodByte"), + MIB_DESC(2, AR8216_STATS_RXBADBYTE, "RxBadByte"), + MIB_DESC(1, AR8216_STATS_RXOVERFLOW, "RxOverFlow"), + MIB_DESC(1, AR8216_STATS_FILTERED, "Filtered"), + MIB_DESC(1, AR8216_STATS_TXBROAD, "TxBroad"), + MIB_DESC(1, AR8216_STATS_TXPAUSE, "TxPause"), + MIB_DESC(1, AR8216_STATS_TXMULTI, "TxMulti"), + MIB_DESC(1, AR8216_STATS_TXUNDERRUN, "TxUnderRun"), + MIB_DESC(1, AR8216_STATS_TX64BYTE, "Tx64Byte"), + MIB_DESC(1, AR8216_STATS_TX128BYTE, "Tx128Byte"), + MIB_DESC(1, AR8216_STATS_TX256BYTE, "Tx256Byte"), + MIB_DESC(1, AR8216_STATS_TX512BYTE, "Tx512Byte"), + MIB_DESC(1, AR8216_STATS_TX1024BYTE, "Tx1024Byte"), + MIB_DESC(1, AR8216_STATS_TXMAXBYTE, "TxMaxByte"), + MIB_DESC(1, AR8216_STATS_TXOVERSIZE, "TxOverSize"), + MIB_DESC(2, AR8216_STATS_TXBYTE, "TxByte"), + MIB_DESC(1, AR8216_STATS_TXCOLLISION, "TxCollision"), + MIB_DESC(1, AR8216_STATS_TXABORTCOL, "TxAbortCol"), + MIB_DESC(1, AR8216_STATS_TXMULTICOL, "TxMultiCol"), + MIB_DESC(1, AR8216_STATS_TXSINGLECOL, "TxSingleCol"), + MIB_DESC(1, AR8216_STATS_TXEXCDEFER, "TxExcDefer"), + MIB_DESC(1, AR8216_STATS_TXDEFER, "TxDefer"), + MIB_DESC(1, AR8216_STATS_TXLATECOL, "TxLateCol"), +}; + +static const struct ar8xxx_mib_desc ar8236_mibs[] = { + MIB_DESC(1, AR8236_STATS_RXBROAD, "RxBroad"), + MIB_DESC(1, AR8236_STATS_RXPAUSE, "RxPause"), + MIB_DESC(1, AR8236_STATS_RXMULTI, "RxMulti"), + MIB_DESC(1, AR8236_STATS_RXFCSERR, "RxFcsErr"), + MIB_DESC(1, AR8236_STATS_RXALIGNERR, "RxAlignErr"), + MIB_DESC(1, AR8236_STATS_RXRUNT, "RxRunt"), + MIB_DESC(1, AR8236_STATS_RXFRAGMENT, "RxFragment"), + MIB_DESC(1, AR8236_STATS_RX64BYTE, "Rx64Byte"), + MIB_DESC(1, AR8236_STATS_RX128BYTE, "Rx128Byte"), + MIB_DESC(1, AR8236_STATS_RX256BYTE, "Rx256Byte"), + MIB_DESC(1, AR8236_STATS_RX512BYTE, "Rx512Byte"), + MIB_DESC(1, AR8236_STATS_RX1024BYTE, "Rx1024Byte"), + MIB_DESC(1, AR8236_STATS_RX1518BYTE, "Rx1518Byte"), + MIB_DESC(1, AR8236_STATS_RXMAXBYTE, "RxMaxByte"), + MIB_DESC(1, AR8236_STATS_RXTOOLONG, "RxTooLong"), + MIB_DESC(2, AR8236_STATS_RXGOODBYTE, "RxGoodByte"), + MIB_DESC(2, AR8236_STATS_RXBADBYTE, "RxBadByte"), + MIB_DESC(1, AR8236_STATS_RXOVERFLOW, "RxOverFlow"), + MIB_DESC(1, AR8236_STATS_FILTERED, "Filtered"), + MIB_DESC(1, AR8236_STATS_TXBROAD, "TxBroad"), + MIB_DESC(1, AR8236_STATS_TXPAUSE, "TxPause"), + MIB_DESC(1, AR8236_STATS_TXMULTI, "TxMulti"), + MIB_DESC(1, AR8236_STATS_TXUNDERRUN, "TxUnderRun"), + MIB_DESC(1, AR8236_STATS_TX64BYTE, "Tx64Byte"), + MIB_DESC(1, AR8236_STATS_TX128BYTE, "Tx128Byte"), + MIB_DESC(1, AR8236_STATS_TX256BYTE, "Tx256Byte"), + MIB_DESC(1, AR8236_STATS_TX512BYTE, "Tx512Byte"), + MIB_DESC(1, AR8236_STATS_TX1024BYTE, "Tx1024Byte"), + MIB_DESC(1, AR8236_STATS_TX1518BYTE, "Tx1518Byte"), + MIB_DESC(1, AR8236_STATS_TXMAXBYTE, "TxMaxByte"), + MIB_DESC(1, AR8236_STATS_TXOVERSIZE, "TxOverSize"), + MIB_DESC(2, AR8236_STATS_TXBYTE, "TxByte"), + MIB_DESC(1, AR8236_STATS_TXCOLLISION, "TxCollision"), + MIB_DESC(1, AR8236_STATS_TXABORTCOL, "TxAbortCol"), + MIB_DESC(1, AR8236_STATS_TXMULTICOL, "TxMultiCol"), + MIB_DESC(1, AR8236_STATS_TXSINGLECOL, "TxSingleCol"), + MIB_DESC(1, AR8236_STATS_TXEXCDEFER, "TxExcDefer"), + MIB_DESC(1, AR8236_STATS_TXDEFER, "TxDefer"), + MIB_DESC(1, AR8236_STATS_TXLATECOL, "TxLateCol"), +}; + +static DEFINE_MUTEX(ar8xxx_dev_list_lock); +static LIST_HEAD(ar8xxx_dev_list); + +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 ar8xxx_priv *priv) +{ + return priv->chip->caps & AR8XXX_CAP_MIB_COUNTERS; +} + +static inline bool chip_is_ar8216(struct ar8xxx_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8216; +} + +static inline bool chip_is_ar8236(struct ar8xxx_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8236; +} + +static inline bool chip_is_ar8316(struct ar8xxx_priv *priv) +{ + return priv->chip_ver == AR8XXX_VER_AR8316; +} + +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) +{ + regaddr >>= 1; + *r1 = regaddr & 0x1e; + + regaddr >>= 5; + *r2 = regaddr & 0x7; + + regaddr >>= 3; + *page = regaddr & 0x1ff; +} + +static u32 +ar8xxx_mii_read(struct ar8xxx_priv *priv, int reg) +{ + struct mii_bus *bus = priv->mii_bus; + u16 r1, r2, page; + u16 lo, hi; + + 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); + + mutex_unlock(&bus->mdio_lock); + + return (hi << 16) | lo; +} + +static void +ar8xxx_mii_write(struct ar8xxx_priv *priv, int reg, u32 val) +{ + struct mii_bus *bus = priv->mii_bus; + u16 r1, r2, r3; + u16 lo, hi; + + split_addr((u32) reg, &r1, &r2, &r3); + lo = val & 0xffff; + hi = (u16) (val >> 16); + + mutex_lock(&bus->mdio_lock); + + bus->write(bus, 0x18, 0, r3); + usleep_range(1000, 2000); /* wait for the page switch to propagate */ + if (priv->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->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); + + return ret; +} + + +static void +ar8xxx_phy_dbg_write(struct ar8xxx_priv *priv, int phy_addr, + u16 dbg_addr, u16 dbg_data) +{ + struct mii_bus *bus = priv->mii_bus; + + mutex_lock(&bus->mdio_lock); + bus->write(bus, phy_addr, MII_ATH_DBG_ADDR, dbg_addr); + bus->write(bus, phy_addr, MII_ATH_DBG_DATA, dbg_data); + mutex_unlock(&bus->mdio_lock); +} + +static void +ar8xxx_phy_mmd_write(struct ar8xxx_priv *priv, int phy_addr, u16 addr, u16 data) +{ + struct mii_bus *bus = priv->mii_bus; + + mutex_lock(&bus->mdio_lock); + bus->write(bus, phy_addr, MII_ATH_MMD_ADDR, addr); + bus->write(bus, phy_addr, MII_ATH_MMD_DATA, data); + mutex_unlock(&bus->mdio_lock); +} + +static inline u32 +ar8xxx_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val) +{ + return priv->rmw(priv, reg, mask, val); +} + +static inline void +ar8xxx_reg_set(struct ar8xxx_priv *priv, int reg, u32 val) +{ + priv->rmw(priv, reg, 0, val); +} + +static int +ar8xxx_reg_wait(struct ar8xxx_priv *priv, u32 reg, u32 mask, u32 val, + unsigned timeout) +{ + int i; + + for (i = 0; i < timeout; i++) { + u32 t; + + t = priv->read(priv, reg); + if ((t & mask) == val) + return 0; + + usleep_range(1000, 2000); + } + + return -ETIMEDOUT; +} + +static int +ar8xxx_mib_op(struct ar8xxx_priv *priv, u32 op) +{ + unsigned mib_func; + int ret; + + lockdep_assert_held(&priv->mib_lock); + + if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) + mib_func = AR8327_REG_MIB_FUNC; + else + mib_func = AR8216_REG_MIB_FUNC; + + /* Capture the hardware statistics for all ports */ + ar8xxx_rmw(priv, mib_func, AR8216_MIB_FUNC, (op << AR8216_MIB_FUNC_S)); + + /* Wait for the capturing to complete. */ + ret = ar8xxx_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10); + if (ret) + goto out; + + ret = 0; + +out: + return ret; +} + +static int +ar8xxx_mib_capture(struct ar8xxx_priv *priv) +{ + return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_CAPTURE); +} + +static int +ar8xxx_mib_flush(struct ar8xxx_priv *priv) +{ + return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_FLUSH); +} + +static void +ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv *priv, int port, bool flush) +{ + unsigned int base; + u64 *mib_stats; + int i; + + WARN_ON(port >= priv->dev.ports); + + lockdep_assert_held(&priv->mib_lock); + + if (chip_is_ar8327(priv) || chip_is_ar8337(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); + + mib_stats = &priv->mib_stats[port * priv->chip->num_mibs]; + for (i = 0; i < priv->chip->num_mibs; i++) { + const struct ar8xxx_mib_desc *mib; + u64 t; + + mib = &priv->chip->mib_decs[i]; + t = priv->read(priv, base + mib->offset); + if (mib->size == 2) { + u64 hi; + + hi = priv->read(priv, base + mib->offset + 4); + t |= hi << 32; + } + + if (flush) + mib_stats[i] = 0; + else + mib_stats[i] += t; + } +} + +static void +ar8216_read_port_link(struct ar8xxx_priv *priv, int port, + struct switch_port_link *link) +{ + u32 status; + u32 speed; + + memset(link, '\0', sizeof(*link)); + + status = priv->chip->read_port_status(priv, port); + + link->aneg = !!(status & AR8216_PORT_STATUS_LINK_AUTO); + if (link->aneg) { + link->link = !!(status & AR8216_PORT_STATUS_LINK_UP); + } 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); + + speed = (status & AR8216_PORT_STATUS_SPEED) >> + AR8216_PORT_STATUS_SPEED_S; + + switch (speed) { + case AR8216_PORT_SPEED_10M: + link->speed = SWITCH_PORT_SPEED_10; + break; + case AR8216_PORT_SPEED_100M: + link->speed = SWITCH_PORT_SPEED_100; + break; + case AR8216_PORT_SPEED_1000M: + link->speed = SWITCH_PORT_SPEED_1000; + break; + default: + link->speed = SWITCH_PORT_SPEED_UNKNOWN; + break; + } +} + +static struct sk_buff * +ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb) +{ + struct ar8xxx_priv *priv = dev->phy_ptr; + unsigned char *buf; + + if (unlikely(!priv)) + goto error; + + if (!priv->vlan) + goto send; + + if (unlikely(skb_headroom(skb) < 2)) { + if (pskb_expand_head(skb, 2, 0, GFP_ATOMIC) < 0) + goto error; + } + + buf = skb_push(skb, 2); + buf[0] = 0x10; + buf[1] = 0x80; + +send: + return skb; + +error: + dev_kfree_skb_any(skb); + return NULL; +} + +static void +ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb) +{ + struct ar8xxx_priv *priv; + unsigned char *buf; + int port, vlan; + + priv = dev->phy_ptr; + if (!priv) + return; + + /* don't strip the header if vlan mode is disabled */ + if (!priv->vlan) + return; + + /* strip header, get vlan id */ + buf = skb->data; + skb_pull(skb, 2); + + /* check for vlan header presence */ + if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00)) + return; + + port = buf[0] & 0xf; + + /* no need to fix up packets coming from a tagged source */ + if (priv->vlan_tagged & (1 << port)) + return; + + /* lookup port vid from local table, the switch passes an invalid vlan id */ + vlan = priv->vlan_id[priv->pvid[port]]; + + buf[14 + 2] &= 0xf0; + buf[14 + 2] |= vlan >> 8; + buf[15 + 2] = vlan & 0xff; +} + +static int +ar8216_wait_bit(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val) +{ + int timeout = 20; + u32 t = 0; + + while (1) { + t = priv->read(priv, reg); + if ((t & mask) == val) + return 0; + + if (timeout-- <= 0) + break; + + udelay(10); + } + + pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n", + (unsigned int) reg, t, mask, val); + return -ETIMEDOUT; +} + +static void +ar8216_vtu_op(struct ar8xxx_priv *priv, u32 op, u32 val) +{ + if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0)) + return; + if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) { + val &= AR8216_VTUDATA_MEMBER; + val |= AR8216_VTUDATA_VALID; + priv->write(priv, AR8216_REG_VTU_DATA, val); + } + op |= AR8216_VTU_ACTIVE; + priv->write(priv, AR8216_REG_VTU, op); +} + +static void +ar8216_vtu_flush(struct ar8xxx_priv *priv) +{ + ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0); +} + +static void +ar8216_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask) +{ + u32 op; + + op = AR8216_VTU_OP_LOAD | (vid << AR8216_VTU_VID_S); + ar8216_vtu_op(priv, op, port_mask); +} + +static int +ar8216_atu_flush(struct ar8xxx_priv *priv) +{ + int ret; + + ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0); + if (!ret) + priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH); + + return ret; +} + +static u32 +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 ar8xxx_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + u32 header; + + if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU) + header = AR8216_PORT_CTRL_HEADER; + else + header = 0; + + 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, + AR8216_PORT_CTRL_LEARN | header | + (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | + (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); + + 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) | + (ingress << AR8216_PORT_VLAN_MODE_S) | + (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S)); +} + +static int +ar8216_hw_init(struct ar8xxx_priv *priv) +{ + return 0; +} + +static void +ar8216_init_globals(struct ar8xxx_priv *priv) +{ + /* standard atheros magic */ + priv->write(priv, 0x38, 0xc000050e); + + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8216_GCTRL_MTU, 1518 + 8 + 2); +} + +static void +ar8216_init_port(struct ar8xxx_priv *priv, int port) +{ + /* Enable port learning and tx */ + priv->write(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_LEARN | + (4 << AR8216_PORT_CTRL_STATE_S)); + + priv->write(priv, AR8216_REG_PORT_VLAN(port), 0); + + if (port == AR8216_PORT_CPU) { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_UP | + (ar8xxx_has_gige(priv) ? + AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) | + AR8216_PORT_STATUS_TXMAC | + AR8216_PORT_STATUS_RXMAC | + (chip_is_ar8316(priv) ? AR8216_PORT_STATUS_RXFLOW : 0) | + (chip_is_ar8316(priv) ? AR8216_PORT_STATUS_TXFLOW : 0) | + AR8216_PORT_STATUS_DUPLEX); + } else { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_AUTO); + } +} + +static const struct ar8xxx_chip ar8216_chip = { + .caps = AR8XXX_CAP_MIB_COUNTERS, + + .hw_init = ar8216_hw_init, + .init_globals = ar8216_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8216_mibs), + .mib_decs = ar8216_mibs, +}; + +static void +ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + 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, + AR8216_PORT_CTRL_LEARN | + (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | + (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); + + ar8xxx_rmw(priv, AR8236_REG_PORT_VLAN(port), + AR8236_PORT_VLAN_DEFAULT_ID, + (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S)); + + 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 ar8xxx_priv *priv) +{ + int i; + struct mii_bus *bus; + + if (priv->initialized) + return 0; + + /* Initialize the PHYs */ + bus = priv->mii_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 ar8xxx_priv *priv) +{ + /* enable jumbo frames */ + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8316_GCTRL_MTU, 9018 + 8 + 2); + + /* Enable MIB counters */ + 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, + .init_globals = ar8236_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8236_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static int +ar8316_hw_init(struct ar8xxx_priv *priv) +{ + int i; + u32 val, newval; + struct mii_bus *bus; + + 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; + pr_info("ar8316: Using port 4 as PHY\n"); + } else { + newval = 0x01261be2; + 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 */ + pr_err("ar8316: unsupported mii mode: %d.\n", + priv->phy->interface); + return -EINVAL; + } + + if (val == newval) + goto out; + + priv->write(priv, AR8316_REG_POSTRIP, newval); + + 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); + } + + /* Initialize the ports */ + bus = priv->mii_bus; + for (i = 0; i < 5; i++) { + /* 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); + } + + msleep(1000); + +out: + priv->initialized = true; + return 0; +} + +static void +ar8316_init_globals(struct ar8xxx_priv *priv) +{ + /* standard atheros magic */ + priv->write(priv, 0x38, 0xc000050e); + + /* enable cpu port to receive multicast and broadcast frames */ + priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); + + /* enable jumbo frames */ + ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8316_GCTRL_MTU, 9018 + 8 + 2); + + /* Enable MIB counters */ + 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, + .hw_init = ar8316_hw_init, + .init_globals = ar8316_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static u32 +ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg) +{ + u32 t; + + if (!cfg) + return 0; + + t = 0; + switch (cfg->mode) { + case AR8327_PAD_NC: + break; + + case AR8327_PAD_MAC2MAC_MII: + t = AR8327_PAD_MAC_MII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_MAC_MII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_MAC_MII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC2MAC_GMII: + t = AR8327_PAD_MAC_GMII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_MAC_GMII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_MAC_GMII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC_SGMII: + t = AR8327_PAD_SGMII_EN; + + /* + * WAR for the QUalcomm Atheros AP136 board. + * It seems that RGMII TX/RX delay settings needs to be + * applied for SGMII mode as well, The ethernet is not + * reliable without this. + */ + t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S; + t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S; + if (cfg->rxclk_delay_en) + t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; + if (cfg->txclk_delay_en) + t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN; + + if (cfg->sgmii_delay_en) + t |= AR8327_PAD_SGMII_DELAY_EN; + + break; + + case AR8327_PAD_MAC2PHY_MII: + t = AR8327_PAD_PHY_MII_EN; + if (cfg->rxclk_sel) + t |= AR8327_PAD_PHY_MII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_PHY_MII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC2PHY_GMII: + t = AR8327_PAD_PHY_GMII_EN; + if (cfg->pipe_rxclk_sel) + t |= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL; + if (cfg->rxclk_sel) + t |= AR8327_PAD_PHY_GMII_RXCLK_SEL; + if (cfg->txclk_sel) + t |= AR8327_PAD_PHY_GMII_TXCLK_SEL; + break; + + case AR8327_PAD_MAC_RGMII: + t = AR8327_PAD_RGMII_EN; + t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S; + t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S; + if (cfg->rxclk_delay_en) + t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; + if (cfg->txclk_delay_en) + t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN; + break; + + case AR8327_PAD_PHY_GMII: + t = AR8327_PAD_PHYX_GMII_EN; + break; + + case AR8327_PAD_PHY_RGMII: + t = AR8327_PAD_PHYX_RGMII_EN; + break; + + case AR8327_PAD_PHY_MII: + t = AR8327_PAD_PHYX_MII_EN; + break; + } + + return t; +} + +static void +ar8327_phy_fixup(struct ar8xxx_priv *priv, int phy) +{ + switch (priv->chip_rev) { + case 1: + /* For 100M waveform */ + ar8xxx_phy_dbg_write(priv, phy, 0, 0x02ea); + /* Turn on Gigabit clock */ + ar8xxx_phy_dbg_write(priv, phy, 0x3d, 0x68a0); + break; + + case 2: + ar8xxx_phy_mmd_write(priv, phy, 0x7, 0x3c); + ar8xxx_phy_mmd_write(priv, phy, 0x4007, 0x0); + /* fallthrough */ + case 4: + ar8xxx_phy_mmd_write(priv, phy, 0x3, 0x800d); + ar8xxx_phy_mmd_write(priv, phy, 0x4003, 0x803f); + + 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 u32 +ar8327_get_port_init_status(struct ar8327_port_cfg *cfg) +{ + u32 t; + + 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; + t |= cfg->rxpause ? AR8216_PORT_STATUS_RXFLOW : 0; + t |= cfg->txpause ? AR8216_PORT_STATUS_TXFLOW : 0; + + switch (cfg->speed) { + case AR8327_PORT_SPEED_10: + t |= AR8216_PORT_SPEED_10M; + break; + case AR8327_PORT_SPEED_100: + t |= AR8216_PORT_SPEED_100M; + break; + case AR8327_PORT_SPEED_1000: + t |= AR8216_PORT_SPEED_1000M; + break; + } + + return t; +} + +#define AR8327_LED_ENTRY(_num, _reg, _shift) \ + [_num] = { .reg = (_reg), .shift = (_shift) } + +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), + + 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_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), + + 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), + + 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), +}; + +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; + + entry = &ar8327_led_map[led_num]; + ar8xxx_rmw(priv, AR8327_REG_LED_CTRL(entry->reg), + (3 << entry->shift), pattern << entry->shift); +} + +static void +ar8327_led_work_func(struct work_struct *work) +{ + struct ar8327_led *aled; + u8 pattern; + + aled = container_of(work, struct ar8327_led, led_work); + + spin_lock(&aled->lock); + pattern = aled->pattern; + spin_unlock(&aled->lock); + + ar8327_set_led_pattern(aled->sw_priv, aled->led_num, + pattern); +} + +static void +ar8327_led_schedule_change(struct ar8327_led *aled, u8 pattern) +{ + if (aled->pattern == pattern) + return; + + 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_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.ar8327; + 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; + unsigned i; + + if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS)) + return; + + data = &priv->chip_data.ar8327; + + 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.ar8327; + 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; + u32 pos, new_pos; + u32 t; + + if (!pdata) + return -EINVAL; + + priv->get_port_link = pdata->get_port_link; + + data = &priv->chip_data.ar8327; + + 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) +{ + 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): + priv->chip_data.ar8327.port0_status = val; + break; + case AR8327_REG_PORT_STATUS(6): + priv->chip_data.ar8327.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) +{ + struct mii_bus *bus; + int ret; + int i; + + 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); + + bus = priv->mii_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_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); +} + +static void +ar8327_init_port(struct ar8xxx_priv *priv, int port) +{ + u32 t; + + if (port == AR8216_PORT_CPU) + t = priv->chip_data.ar8327.port0_status; + else if (port == 6) + t = priv->chip_data.ar8327.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 ar8xxx_priv *priv, u32 vid, u32 port_mask) +{ + u32 op; + u32 val; + int i; + + op = AR8327_VTU_FUNC1_OP_LOAD | (vid << AR8327_VTU_FUNC1_VID_S); + val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL; + for (i = 0; i < AR8327_NUM_PORTS; i++) { + u32 mode; + + if ((port_mask & BIT(i)) == 0) + 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)) + mode = AR8327_VTU_FUNC0_EG_MODE_TAG; + else + mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG; + + val |= mode << AR8327_VTU_FUNC0_EG_MODE_S(i); + } + ar8327_vtu_op(priv, op, val); +} + +static void +ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + u32 t; + u32 mode; + + 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; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = members; + t |= AR8327_PORT_LOOKUP_LEARN; + t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); +} + +static const struct ar8xxx_chip ar8327_chip = { + .caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS, + .hw_init = ar8327_hw_init, + .cleanup = ar8327_cleanup, + .init_globals = ar8327_init_globals, + .init_port = ar8327_init_port, + .setup_port = ar8327_setup_port, + .read_port_status = ar8327_read_port_status, + .atu_flush = ar8327_atu_flush, + .vtu_flush = ar8327_vtu_flush, + .vtu_load_vlan = ar8327_vtu_load_vlan, + + .num_mibs = ARRAY_SIZE(ar8236_mibs), + .mib_decs = ar8236_mibs, +}; + +static int +ar8xxx_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + priv->vlan = !!val->value.i; + return 0; +} + +static int +ar8xxx_sw_get_vlan(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->vlan; + return 0; +} + + +static int +ar8xxx_sw_set_pvid(struct switch_dev *dev, int port, int vlan) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + + /* make sure no invalid PVIDs get set */ + + if (vlan >= dev->vlans) + return -EINVAL; + + priv->pvid[port] = vlan; + return 0; +} + +static int +ar8xxx_sw_get_pvid(struct switch_dev *dev, int port, int *vlan) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + *vlan = priv->pvid[port]; + return 0; +} + +static int +ar8xxx_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + priv->vlan_id[val->port_vlan] = val->value.i; + return 0; +} + +static int +ar8xxx_sw_get_vid(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->vlan_id[val->port_vlan]; + return 0; +} + +static int +ar8xxx_sw_get_port_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + + ar8216_read_port_link(priv, port, link); + return 0; +} + +static int +ar8xxx_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)) + 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 ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + u8 *vt = &priv->vlan_table[val->port_vlan]; + int i, j; + + *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)) { + priv->vlan_tagged |= (1 << p->id); + } else { + priv->vlan_tagged &= ~(1 << p->id); + priv->pvid[p->id] = val->port_vlan; + + /* make sure that an untagged port does not + * appear in other vlans */ + for (j = 0; j < AR8X16_MAX_VLANS; j++) { + if (j == val->port_vlan) + continue; + priv->vlan_table[j] &= ~(1 << p->id); + } + } + + *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 void +ar8xxx_set_mirror_regs(struct ar8xxx_priv *priv) +{ + if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) { + ar8327_set_mirror_regs(priv); + } else { + ar8216_set_mirror_regs(priv); + } +} + +static int +ar8xxx_sw_hw_apply(struct switch_dev *dev) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + u8 portmask[AR8X16_MAX_PORTS]; + int i, j; + + mutex_lock(&priv->reg_mutex); + /* flush all vlan translation unit entries */ + priv->chip->vtu_flush(priv); + + memset(portmask, 0, sizeof(portmask)); + if (!priv->init) { + /* calculate the port destination masks and load vlans + * into the vlan translation unit */ + for (j = 0; j < AR8X16_MAX_VLANS; j++) { + u8 vp = priv->vlan_table[j]; + + if (!vp) + continue; + + for (i = 0; i < dev->ports; i++) { + u8 mask = (1 << i); + if (vp & mask) + portmask[i] |= vp & ~mask; + } + + priv->chip->vtu_load_vlan(priv, priv->vlan_id[j], + priv->vlan_table[j]); + } + } else { + /* vlan disabled: + * isolate all ports, but connect them to the cpu port */ + for (i = 0; i < dev->ports; i++) { + if (i == AR8216_PORT_CPU) + continue; + + portmask[i] = 1 << AR8216_PORT_CPU; + portmask[AR8216_PORT_CPU] |= (1 << i); + } + } + + /* 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, egress, ingress, portmask[i], + pvid); + } + + ar8xxx_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; + ar8xxx_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; + ar8xxx_set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); + + return 0; +} + +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 +ar8xxx_sw_set_mirror_monitor_port(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->monitor_port = val->value.i; + ar8xxx_set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); + + return 0; +} + +static int +ar8xxx_sw_get_mirror_monitor_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->monitor_port; + return 0; +} + +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); + + mutex_lock(&priv->reg_mutex); + priv->source_port = val->value.i; + ar8xxx_set_mirror_regs(priv); + mutex_unlock(&priv->reg_mutex); + + return 0; +} + +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 +ar8xxx_sw_set_port_reset_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + int port; + int ret; + + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; + + port = val->port_vlan; + if (port >= dev->ports) + return -EINVAL; + + mutex_lock(&priv->mib_lock); + ret = ar8xxx_mib_capture(priv); + if (ret) + goto unlock; + + ar8xxx_mib_fetch_port_stat(priv, port, true); + + ret = 0; + +unlock: + mutex_unlock(&priv->mib_lock); + return ret; +} + +static int +ar8xxx_sw_get_port_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + const struct ar8xxx_chip *chip = priv->chip; + u64 *mib_stats; + int port; + int ret; + char *buf = priv->buf; + int i, len = 0; + + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; + + port = val->port_vlan; + if (port >= dev->ports) + return -EINVAL; + + mutex_lock(&priv->mib_lock); + ret = ar8xxx_mib_capture(priv); + if (ret) + goto unlock; + + ar8xxx_mib_fetch_port_stat(priv, port, false); + + len += snprintf(buf + len, sizeof(priv->buf) - len, + "Port %d MIB counters\n", + port); + + mib_stats = &priv->mib_stats[port * chip->num_mibs]; + for (i = 0; i < chip->num_mibs; i++) + len += snprintf(buf + len, sizeof(priv->buf) - len, + "%-12s: %llu\n", + chip->mib_decs[i].name, + mib_stats[i]); + + val->value.s = buf; + val->len = len; + + ret = 0; + +unlock: + mutex_unlock(&priv->mib_lock); + return ret; +} + +static struct switch_attr ar8xxx_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 = 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 ar8xxx_sw_attr_port[] = { + { + .type = SWITCH_TYPE_NOVAL, + .name = "reset_mib", + .description = "Reset single port MIB counters", + .set = ar8xxx_sw_set_port_reset_mib, + }, + { + .type = SWITCH_TYPE_STRING, + .name = "mib", + .description = "Get port's MIB counters", + .set = NULL, + .get = ar8xxx_sw_get_port_mib, + }, +}; + +static struct switch_attr ar8xxx_sw_attr_vlan[] = { + { + .type = SWITCH_TYPE_INT, + .name = "vid", + .description = "VLAN ID (0-4094)", + .set = ar8xxx_sw_set_vid, + .get = ar8xxx_sw_get_vid, + .max = 4094, + }, +}; + +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 = ar8327_sw_attr_globals, + .n_attr = ARRAY_SIZE(ar8327_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 int +ar8xxx_id_chip(struct ar8xxx_priv *priv) +{ + u32 val; + u16 id; + int i; + + val = priv->read(priv, AR8216_REG_CTRL); + if (val == ~0) + return -ENODEV; + + id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); + for (i = 0; i < AR8X16_PROBE_RETRIES; i++) { + u16 t; + + val = priv->read(priv, AR8216_REG_CTRL); + if (val == ~0) + return -ENODEV; + + t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION); + if (t != id) + return -ENODEV; + } + + priv->chip_ver = (id & AR8216_CTRL_VERSION) >> AR8216_CTRL_VERSION_S; + priv->chip_rev = (id & AR8216_CTRL_REVISION); + + switch (priv->chip_ver) { + case AR8XXX_VER_AR8216: + priv->chip = &ar8216_chip; + break; + case AR8XXX_VER_AR8236: + priv->chip = &ar8236_chip; + break; + case AR8XXX_VER_AR8316: + priv->chip = &ar8316_chip; + break; + case AR8XXX_VER_AR8327: + priv->mii_lo_first = true; + priv->chip = &ar8327_chip; + break; + case AR8XXX_VER_AR8337: + priv->mii_lo_first = true; + priv->chip = &ar8327_chip; + break; + default: + pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n", + priv->chip_ver, priv->chip_rev); + + return -ENODEV; + } + + return 0; +} + +static void +ar8xxx_mib_work_func(struct work_struct *work) +{ + struct ar8xxx_priv *priv; + int err; + + priv = container_of(work, struct ar8xxx_priv, mib_work.work); + + mutex_lock(&priv->mib_lock); + + err = ar8xxx_mib_capture(priv); + if (err) + goto next_port; + + ar8xxx_mib_fetch_port_stat(priv, priv->mib_next_port, false); + +next_port: + priv->mib_next_port++; + if (priv->mib_next_port >= priv->dev.ports) + priv->mib_next_port = 0; + + mutex_unlock(&priv->mib_lock); + schedule_delayed_work(&priv->mib_work, + msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY)); +} + +static int +ar8xxx_mib_init(struct ar8xxx_priv *priv) +{ + unsigned int len; + + if (!ar8xxx_has_mib_counters(priv)) + return 0; + + BUG_ON(!priv->chip->mib_decs || !priv->chip->num_mibs); + + len = priv->dev.ports * priv->chip->num_mibs * + sizeof(*priv->mib_stats); + priv->mib_stats = kzalloc(len, GFP_KERNEL); + + if (!priv->mib_stats) + return -ENOMEM; + + return 0; +} + +static void +ar8xxx_mib_start(struct ar8xxx_priv *priv) +{ + if (!ar8xxx_has_mib_counters(priv)) + return; + + schedule_delayed_work(&priv->mib_work, + msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY)); +} + +static void +ar8xxx_mib_stop(struct ar8xxx_priv *priv) +{ + if (!ar8xxx_has_mib_counters(priv)) + return; + + cancel_delayed_work(&priv->mib_work); +} + +static struct ar8xxx_priv * +ar8xxx_create(void) +{ + struct ar8xxx_priv *priv; + + priv = kzalloc(sizeof(struct ar8xxx_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + mutex_init(&priv->reg_mutex); + mutex_init(&priv->mib_lock); + INIT_DELAYED_WORK(&priv->mib_work, ar8xxx_mib_work_func); + + return priv; +} + +static void +ar8xxx_free(struct ar8xxx_priv *priv) +{ + if (priv->chip && priv->chip->cleanup) + priv->chip->cleanup(priv); + + kfree(priv->mib_stats); + kfree(priv); +} + +static struct ar8xxx_priv * +ar8xxx_create_mii(struct mii_bus *bus) +{ + struct ar8xxx_priv *priv; + + priv = ar8xxx_create(); + if (priv) { + priv->mii_bus = bus; + priv->read = ar8xxx_mii_read; + priv->write = ar8xxx_mii_write; + priv->rmw = ar8xxx_mii_rmw; + } + + return priv; +} + +static int +ar8xxx_probe_switch(struct ar8xxx_priv *priv) +{ + struct switch_dev *swdev; + int ret; + + ret = ar8xxx_id_chip(priv); + if (ret) + return ret; + + swdev = &priv->dev; + swdev->cpu_port = AR8216_PORT_CPU; + swdev->ops = &ar8xxx_sw_ops; + + if (chip_is_ar8316(priv)) { + swdev->name = "Atheros AR8316"; + swdev->vlans = AR8X16_MAX_VLANS; + swdev->ports = AR8216_NUM_PORTS; + } else if (chip_is_ar8236(priv)) { + swdev->name = "Atheros AR8236"; + swdev->vlans = AR8216_NUM_VLANS; + swdev->ports = AR8216_NUM_PORTS; + } else if (chip_is_ar8327(priv)) { + 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) + return ret; + + return 0; +} + +static int +ar8xxx_start(struct ar8xxx_priv *priv) +{ + int ret; + + priv->init = true; + + ret = priv->chip->hw_init(priv); + if (ret) + return ret; + + ret = ar8xxx_sw_reset_switch(&priv->dev); + if (ret) + 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 (chip_is_ar8327(priv) || chip_is_ar8337(priv)) + return 0; + + 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; + } + + return 0; + } + + ret = ar8xxx_start(priv); + if (ret) + return ret; + + /* VID fixup only needed on ar8216 */ + 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; + } + + return 0; +} + +static int +ar8xxx_phy_read_status(struct phy_device *phydev) +{ + struct ar8xxx_priv *priv = phydev->priv; + struct switch_port_link link; + int ret; + + if (phydev->addr != 0) + return genphy_read_status(phydev); + + ar8216_read_port_link(priv, phydev->addr, &link); + phydev->link = !!link.link; + if (!phydev->link) + return 0; + + switch (link.speed) { + case SWITCH_PORT_SPEED_10: + phydev->speed = SPEED_10; + break; + case SWITCH_PORT_SPEED_100: + phydev->speed = SPEED_100; + break; + case SWITCH_PORT_SPEED_1000: + phydev->speed = SPEED_1000; + break; + default: + phydev->speed = 0; + } + phydev->duplex = link.duplex ? DUPLEX_FULL : DUPLEX_HALF; + + /* flush the address translation unit */ + mutex_lock(&priv->reg_mutex); + ret = priv->chip->atu_flush(priv); + mutex_unlock(&priv->reg_mutex); + + phydev->state = PHY_RUNNING; + netif_carrier_on(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + + return ret; +} + +static int +ar8xxx_phy_config_aneg(struct phy_device *phydev) +{ + if (phydev->addr == 0) + return 0; + + return genphy_config_aneg(phydev); +} + +static const u32 ar8xxx_phy_ids[] = { + 0x004dd033, + 0x004dd034, /* AR8327 */ + 0x004dd036, /* AR8337 */ + 0x004dd041, + 0x004dd042, +}; + +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 +ar8xxx_phy_probe(struct phy_device *phydev) +{ + struct ar8xxx_priv *priv; + struct switch_dev *swdev; + int ret; + + /* skip PHYs at unused adresses */ + if (phydev->addr != 0 && phydev->addr != 4) + return -ENODEV; + + if (!ar8xxx_is_possible(phydev->bus)) + return -ENODEV; + + mutex_lock(&ar8xxx_dev_list_lock); + list_for_each_entry(priv, &ar8xxx_dev_list, list) + if (priv->mii_bus == phydev->bus) + goto found; + + 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 (chip_is_ar8327(priv) || chip_is_ar8337(priv)) { + 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 +ar8xxx_phy_detach(struct phy_device *phydev) +{ + struct net_device *dev = phydev->attached_dev; + + if (!dev) + return; + + 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 (WARN_ON(!priv)) + return; + + 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); +} + +static struct phy_driver ar8xxx_phy_driver = { + .phy_id = 0x004d0000, + .name = "Atheros AR8216/AR8236/AR8316", + .phy_id_mask = 0xffff0000, + .features = PHY_BASIC_FEATURES, + .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, + .driver = { .owner = THIS_MODULE }, +}; + +int __init +ar8xxx_init(void) +{ + return phy_driver_register(&ar8xxx_phy_driver); +} + +void __exit +ar8xxx_exit(void) +{ + phy_driver_unregister(&ar8xxx_phy_driver); +} + +module_init(ar8xxx_init); +module_exit(ar8xxx_exit); +MODULE_LICENSE("GPL"); + diff --git a/drivers/net/phy/ar8216.h b/drivers/net/phy/ar8216.h new file mode 100644 index 0000000..00d6d7f --- /dev/null +++ b/drivers/net/phy/ar8216.h @@ -0,0 +1,492 @@ +/* + * ar8216.h: AR8216 switch driver + * + * Copyright (C) 2009 Felix Fietkau + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * 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. + */ + +#ifndef __AR8216_H +#define __AR8216_H + +#define BITS(_s, _n) (((1UL << (_n)) - 1) << _s) + +#define AR8216_PORT_CPU 0 +#define AR8216_NUM_PORTS 6 +#define AR8216_NUM_VLANS 16 +#define AR8316_NUM_VLANS 4096 + +/* Atheros specific MII registers */ +#define MII_ATH_MMD_ADDR 0x0d +#define MII_ATH_MMD_DATA 0x0e +#define MII_ATH_DBG_ADDR 0x1d +#define MII_ATH_DBG_DATA 0x1e + +#define AR8216_REG_CTRL 0x0000 +#define AR8216_CTRL_REVISION BITS(0, 8) +#define AR8216_CTRL_REVISION_S 0 +#define AR8216_CTRL_VERSION BITS(8, 8) +#define AR8216_CTRL_VERSION_S 8 +#define AR8216_CTRL_RESET BIT(31) + +#define AR8216_REG_FLOOD_MASK 0x002C +#define AR8216_FM_UNI_DEST_PORTS BITS(0, 6) +#define AR8216_FM_MULTI_DEST_PORTS BITS(16, 6) + +#define AR8216_REG_GLOBAL_CTRL 0x0030 +#define AR8216_GCTRL_MTU BITS(0, 11) +#define AR8236_GCTRL_MTU BITS(0, 14) +#define AR8316_GCTRL_MTU BITS(0, 14) + +#define AR8216_REG_VTU 0x0040 +#define AR8216_VTU_OP BITS(0, 3) +#define AR8216_VTU_OP_NOOP 0x0 +#define AR8216_VTU_OP_FLUSH 0x1 +#define AR8216_VTU_OP_LOAD 0x2 +#define AR8216_VTU_OP_PURGE 0x3 +#define AR8216_VTU_OP_REMOVE_PORT 0x4 +#define AR8216_VTU_ACTIVE BIT(3) +#define AR8216_VTU_FULL BIT(4) +#define AR8216_VTU_PORT BITS(8, 4) +#define AR8216_VTU_PORT_S 8 +#define AR8216_VTU_VID BITS(16, 12) +#define AR8216_VTU_VID_S 16 +#define AR8216_VTU_PRIO BITS(28, 3) +#define AR8216_VTU_PRIO_S 28 +#define AR8216_VTU_PRIO_EN BIT(31) + +#define AR8216_REG_VTU_DATA 0x0044 +#define AR8216_VTUDATA_MEMBER BITS(0, 10) +#define AR8236_VTUDATA_MEMBER BITS(0, 7) +#define AR8216_VTUDATA_VALID BIT(11) + +#define AR8216_REG_ATU 0x0050 +#define AR8216_ATU_OP BITS(0, 3) +#define AR8216_ATU_OP_NOOP 0x0 +#define AR8216_ATU_OP_FLUSH 0x1 +#define AR8216_ATU_OP_LOAD 0x2 +#define AR8216_ATU_OP_PURGE 0x3 +#define AR8216_ATU_OP_FLUSH_LOCKED 0x4 +#define AR8216_ATU_OP_FLUSH_UNICAST 0x5 +#define AR8216_ATU_OP_GET_NEXT 0x6 +#define AR8216_ATU_ACTIVE BIT(3) +#define AR8216_ATU_PORT_NUM BITS(8, 4) +#define AR8216_ATU_FULL_VIO BIT(12) +#define AR8216_ATU_ADDR4 BITS(16, 8) +#define AR8216_ATU_ADDR5 BITS(24, 8) + +#define AR8216_REG_ATU_DATA 0x0054 +#define AR8216_ATU_ADDR3 BITS(0, 8) +#define AR8216_ATU_ADDR2 BITS(8, 8) +#define AR8216_ATU_ADDR1 BITS(16, 8) +#define AR8216_ATU_ADDR0 BITS(24, 8) + +#define AR8216_REG_ATU_CTRL 0x005C +#define AR8216_ATU_CTRL_AGE_EN BIT(17) +#define AR8216_ATU_CTRL_AGE_TIME BITS(0, 16) +#define AR8216_ATU_CTRL_AGE_TIME_S 0 + +#define AR8216_REG_MIB_FUNC 0x0080 +#define AR8216_MIB_TIMER BITS(0, 16) +#define AR8216_MIB_AT_HALF_EN BIT(16) +#define AR8216_MIB_BUSY BIT(17) +#define AR8216_MIB_FUNC BITS(24, 3) +#define AR8216_MIB_FUNC_S 24 +#define AR8216_MIB_FUNC_NO_OP 0x0 +#define AR8216_MIB_FUNC_FLUSH 0x1 +#define AR8216_MIB_FUNC_CAPTURE 0x3 +#define AR8236_MIB_EN BIT(30) + +#define AR8216_REG_GLOBAL_CPUPORT 0x0078 +#define AR8216_GLOBAL_CPUPORT_MIRROR_PORT BITS(4, 4) +#define AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S 4 + +#define AR8216_PORT_OFFSET(_i) (0x0100 * (_i + 1)) +#define AR8216_REG_PORT_STATUS(_i) (AR8216_PORT_OFFSET(_i) + 0x0000) +#define AR8216_PORT_STATUS_SPEED BITS(0,2) +#define AR8216_PORT_STATUS_SPEED_S 0 +#define AR8216_PORT_STATUS_TXMAC BIT(2) +#define AR8216_PORT_STATUS_RXMAC BIT(3) +#define AR8216_PORT_STATUS_TXFLOW BIT(4) +#define AR8216_PORT_STATUS_RXFLOW BIT(5) +#define AR8216_PORT_STATUS_DUPLEX BIT(6) +#define AR8216_PORT_STATUS_LINK_UP BIT(8) +#define AR8216_PORT_STATUS_LINK_AUTO BIT(9) +#define AR8216_PORT_STATUS_LINK_PAUSE BIT(10) + +#define AR8216_REG_PORT_CTRL(_i) (AR8216_PORT_OFFSET(_i) + 0x0004) + +/* port forwarding state */ +#define AR8216_PORT_CTRL_STATE BITS(0, 3) +#define AR8216_PORT_CTRL_STATE_S 0 + +#define AR8216_PORT_CTRL_LEARN_LOCK BIT(7) + +/* egress 802.1q mode */ +#define AR8216_PORT_CTRL_VLAN_MODE BITS(8, 2) +#define AR8216_PORT_CTRL_VLAN_MODE_S 8 + +#define AR8216_PORT_CTRL_IGMP_SNOOP BIT(10) +#define AR8216_PORT_CTRL_HEADER BIT(11) +#define AR8216_PORT_CTRL_MAC_LOOP BIT(12) +#define AR8216_PORT_CTRL_SINGLE_VLAN BIT(13) +#define AR8216_PORT_CTRL_LEARN BIT(14) +#define AR8216_PORT_CTRL_MIRROR_TX BIT(16) +#define AR8216_PORT_CTRL_MIRROR_RX BIT(17) + +#define AR8216_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET(_i) + 0x0008) + +#define AR8216_PORT_VLAN_DEFAULT_ID BITS(0, 12) +#define AR8216_PORT_VLAN_DEFAULT_ID_S 0 + +#define AR8216_PORT_VLAN_DEST_PORTS BITS(16, 9) +#define AR8216_PORT_VLAN_DEST_PORTS_S 16 + +/* bit0 added to the priority field of egress frames */ +#define AR8216_PORT_VLAN_TX_PRIO BIT(27) + +/* port default priority */ +#define AR8216_PORT_VLAN_PRIORITY BITS(28, 2) +#define AR8216_PORT_VLAN_PRIORITY_S 28 + +/* ingress 802.1q mode */ +#define AR8216_PORT_VLAN_MODE BITS(30, 2) +#define AR8216_PORT_VLAN_MODE_S 30 + +#define AR8216_REG_PORT_RATE(_i) (AR8216_PORT_OFFSET(_i) + 0x000c) +#define AR8216_REG_PORT_PRIO(_i) (AR8216_PORT_OFFSET(_i) + 0x0010) + +#define AR8216_REG_PORT_STATS_BASE(_i) (0x19000 + (_i) * 0xa0) + +#define AR8216_STATS_RXBROAD 0x00 +#define AR8216_STATS_RXPAUSE 0x04 +#define AR8216_STATS_RXMULTI 0x08 +#define AR8216_STATS_RXFCSERR 0x0c +#define AR8216_STATS_RXALIGNERR 0x10 +#define AR8216_STATS_RXRUNT 0x14 +#define AR8216_STATS_RXFRAGMENT 0x18 +#define AR8216_STATS_RX64BYTE 0x1c +#define AR8216_STATS_RX128BYTE 0x20 +#define AR8216_STATS_RX256BYTE 0x24 +#define AR8216_STATS_RX512BYTE 0x28 +#define AR8216_STATS_RX1024BYTE 0x2c +#define AR8216_STATS_RXMAXBYTE 0x30 +#define AR8216_STATS_RXTOOLONG 0x34 +#define AR8216_STATS_RXGOODBYTE 0x38 +#define AR8216_STATS_RXBADBYTE 0x40 +#define AR8216_STATS_RXOVERFLOW 0x48 +#define AR8216_STATS_FILTERED 0x4c +#define AR8216_STATS_TXBROAD 0x50 +#define AR8216_STATS_TXPAUSE 0x54 +#define AR8216_STATS_TXMULTI 0x58 +#define AR8216_STATS_TXUNDERRUN 0x5c +#define AR8216_STATS_TX64BYTE 0x60 +#define AR8216_STATS_TX128BYTE 0x64 +#define AR8216_STATS_TX256BYTE 0x68 +#define AR8216_STATS_TX512BYTE 0x6c +#define AR8216_STATS_TX1024BYTE 0x70 +#define AR8216_STATS_TXMAXBYTE 0x74 +#define AR8216_STATS_TXOVERSIZE 0x78 +#define AR8216_STATS_TXBYTE 0x7c +#define AR8216_STATS_TXCOLLISION 0x84 +#define AR8216_STATS_TXABORTCOL 0x88 +#define AR8216_STATS_TXMULTICOL 0x8c +#define AR8216_STATS_TXSINGLECOL 0x90 +#define AR8216_STATS_TXEXCDEFER 0x94 +#define AR8216_STATS_TXDEFER 0x98 +#define AR8216_STATS_TXLATECOL 0x9c + +#define AR8236_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET((_i)) + 0x0008) +#define AR8236_PORT_VLAN_DEFAULT_ID BITS(16, 12) +#define AR8236_PORT_VLAN_DEFAULT_ID_S 16 +#define AR8236_PORT_VLAN_PRIORITY BITS(29, 3) +#define AR8236_PORT_VLAN_PRIORITY_S 28 + +#define AR8236_REG_PORT_VLAN2(_i) (AR8216_PORT_OFFSET((_i)) + 0x000c) +#define AR8236_PORT_VLAN2_MEMBER BITS(16, 7) +#define AR8236_PORT_VLAN2_MEMBER_S 16 +#define AR8236_PORT_VLAN2_TX_PRIO BIT(23) +#define AR8236_PORT_VLAN2_VLAN_MODE BITS(30, 2) +#define AR8236_PORT_VLAN2_VLAN_MODE_S 30 + +#define AR8236_REG_PORT_STATS_BASE(_i) (0x20000 + (_i) * 0x100) + +#define AR8236_STATS_RXBROAD 0x00 +#define AR8236_STATS_RXPAUSE 0x04 +#define AR8236_STATS_RXMULTI 0x08 +#define AR8236_STATS_RXFCSERR 0x0c +#define AR8236_STATS_RXALIGNERR 0x10 +#define AR8236_STATS_RXRUNT 0x14 +#define AR8236_STATS_RXFRAGMENT 0x18 +#define AR8236_STATS_RX64BYTE 0x1c +#define AR8236_STATS_RX128BYTE 0x20 +#define AR8236_STATS_RX256BYTE 0x24 +#define AR8236_STATS_RX512BYTE 0x28 +#define AR8236_STATS_RX1024BYTE 0x2c +#define AR8236_STATS_RX1518BYTE 0x30 +#define AR8236_STATS_RXMAXBYTE 0x34 +#define AR8236_STATS_RXTOOLONG 0x38 +#define AR8236_STATS_RXGOODBYTE 0x3c +#define AR8236_STATS_RXBADBYTE 0x44 +#define AR8236_STATS_RXOVERFLOW 0x4c +#define AR8236_STATS_FILTERED 0x50 +#define AR8236_STATS_TXBROAD 0x54 +#define AR8236_STATS_TXPAUSE 0x58 +#define AR8236_STATS_TXMULTI 0x5c +#define AR8236_STATS_TXUNDERRUN 0x60 +#define AR8236_STATS_TX64BYTE 0x64 +#define AR8236_STATS_TX128BYTE 0x68 +#define AR8236_STATS_TX256BYTE 0x6c +#define AR8236_STATS_TX512BYTE 0x70 +#define AR8236_STATS_TX1024BYTE 0x74 +#define AR8236_STATS_TX1518BYTE 0x78 +#define AR8236_STATS_TXMAXBYTE 0x7c +#define AR8236_STATS_TXOVERSIZE 0x80 +#define AR8236_STATS_TXBYTE 0x84 +#define AR8236_STATS_TXCOLLISION 0x8c +#define AR8236_STATS_TXABORTCOL 0x90 +#define AR8236_STATS_TXMULTICOL 0x94 +#define AR8236_STATS_TXSINGLECOL 0x98 +#define AR8236_STATS_TXEXCDEFER 0x9c +#define AR8236_STATS_TXDEFER 0xa0 +#define AR8236_STATS_TXLATECOL 0xa4 + +#define AR8316_REG_POSTRIP 0x0008 +#define AR8316_POSTRIP_MAC0_GMII_EN BIT(0) +#define AR8316_POSTRIP_MAC0_RGMII_EN BIT(1) +#define AR8316_POSTRIP_PHY4_GMII_EN BIT(2) +#define AR8316_POSTRIP_PHY4_RGMII_EN BIT(3) +#define AR8316_POSTRIP_MAC0_MAC_MODE BIT(4) +#define AR8316_POSTRIP_RTL_MODE BIT(5) +#define AR8316_POSTRIP_RGMII_RXCLK_DELAY_EN BIT(6) +#define AR8316_POSTRIP_RGMII_TXCLK_DELAY_EN BIT(7) +#define AR8316_POSTRIP_SERDES_EN BIT(8) +#define AR8316_POSTRIP_SEL_ANA_RST BIT(9) +#define AR8316_POSTRIP_GATE_25M_EN BIT(10) +#define AR8316_POSTRIP_SEL_CLK25M BIT(11) +#define AR8316_POSTRIP_HIB_PULSE_HW BIT(12) +#define AR8316_POSTRIP_DBG_MODE_I BIT(13) +#define AR8316_POSTRIP_MAC5_MAC_MODE BIT(14) +#define AR8316_POSTRIP_MAC5_PHY_MODE BIT(15) +#define AR8316_POSTRIP_POWER_DOWN_HW BIT(16) +#define AR8316_POSTRIP_LPW_STATE_EN BIT(17) +#define AR8316_POSTRIP_MAN_EN BIT(18) +#define AR8316_POSTRIP_PHY_PLL_ON BIT(19) +#define AR8316_POSTRIP_LPW_EXIT BIT(20) +#define AR8316_POSTRIP_TXDELAY_S0 BIT(21) +#define AR8316_POSTRIP_TXDELAY_S1 BIT(22) +#define AR8316_POSTRIP_RXDELAY_S0 BIT(23) +#define AR8316_POSTRIP_LED_OPEN_EN BIT(24) +#define AR8316_POSTRIP_SPI_EN BIT(25) +#define AR8316_POSTRIP_RXDELAY_S1 BIT(26) +#define AR8316_POSTRIP_POWER_ON_SEL BIT(31) + +#define AR8327_NUM_PORTS 7 +#define AR8327_NUM_LEDS 15 +#define AR8327_NUM_PHYS 5 +#define AR8327_PORTS_ALL 0x7f +#define AR8327_NUM_LED_CTRL_REGS 4 + +#define AR8327_REG_MASK 0x000 + +#define AR8327_REG_PAD0_MODE 0x004 +#define AR8327_REG_PAD5_MODE 0x008 +#define AR8327_REG_PAD6_MODE 0x00c +#define AR8327_PAD_MAC_MII_RXCLK_SEL BIT(0) +#define AR8327_PAD_MAC_MII_TXCLK_SEL BIT(1) +#define AR8327_PAD_MAC_MII_EN BIT(2) +#define AR8327_PAD_MAC_GMII_RXCLK_SEL BIT(4) +#define AR8327_PAD_MAC_GMII_TXCLK_SEL BIT(5) +#define AR8327_PAD_MAC_GMII_EN BIT(6) +#define AR8327_PAD_SGMII_EN BIT(7) +#define AR8327_PAD_PHY_MII_RXCLK_SEL BIT(8) +#define AR8327_PAD_PHY_MII_TXCLK_SEL BIT(9) +#define AR8327_PAD_PHY_MII_EN BIT(10) +#define AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL BIT(11) +#define AR8327_PAD_PHY_GMII_RXCLK_SEL BIT(12) +#define AR8327_PAD_PHY_GMII_TXCLK_SEL BIT(13) +#define AR8327_PAD_PHY_GMII_EN BIT(14) +#define AR8327_PAD_PHYX_GMII_EN BIT(16) +#define AR8327_PAD_PHYX_RGMII_EN BIT(17) +#define AR8327_PAD_PHYX_MII_EN BIT(18) +#define AR8327_PAD_SGMII_DELAY_EN BIT(19) +#define AR8327_PAD_RGMII_RXCLK_DELAY_SEL BITS(20, 2) +#define AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S 20 +#define AR8327_PAD_RGMII_TXCLK_DELAY_SEL BITS(22, 2) +#define AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S 22 +#define AR8327_PAD_RGMII_RXCLK_DELAY_EN BIT(24) +#define AR8327_PAD_RGMII_TXCLK_DELAY_EN BIT(25) +#define AR8327_PAD_RGMII_EN BIT(26) + +#define AR8327_REG_POWER_ON_STRIP 0x010 +#define AR8327_POWER_ON_STRIP_POWER_ON_SEL BIT(31) +#define AR8327_POWER_ON_STRIP_LED_OPEN_EN BIT(24) +#define AR8327_POWER_ON_STRIP_SERDES_AEN BIT(7) + +#define AR8327_REG_INT_STATUS0 0x020 +#define AR8327_INT0_VT_DONE BIT(20) + +#define AR8327_REG_INT_STATUS1 0x024 +#define AR8327_REG_INT_MASK0 0x028 +#define AR8327_REG_INT_MASK1 0x02c + +#define AR8327_REG_MODULE_EN 0x030 +#define AR8327_MODULE_EN_MIB BIT(0) + +#define AR8327_REG_MIB_FUNC 0x034 +#define AR8327_MIB_CPU_KEEP BIT(20) + +#define AR8327_REG_SERVICE_TAG 0x048 +#define AR8327_REG_LED_CTRL(_i) (0x050 + (_i) * 4) +#define AR8327_REG_LED_CTRL0 0x050 +#define AR8327_REG_LED_CTRL1 0x054 +#define AR8327_REG_LED_CTRL2 0x058 +#define AR8327_REG_LED_CTRL3 0x05c +#define AR8327_REG_MAC_ADDR0 0x060 +#define AR8327_REG_MAC_ADDR1 0x064 + +#define AR8327_REG_MAX_FRAME_SIZE 0x078 +#define AR8327_MAX_FRAME_SIZE_MTU BITS(0, 14) + +#define AR8327_REG_PORT_STATUS(_i) (0x07c + (_i) * 4) + +#define AR8327_REG_HEADER_CTRL 0x098 +#define AR8327_REG_PORT_HEADER(_i) (0x09c + (_i) * 4) + +#define AR8327_REG_SGMII_CTRL 0x0e0 +#define AR8327_SGMII_CTRL_EN_PLL BIT(1) +#define AR8327_SGMII_CTRL_EN_RX BIT(2) +#define AR8327_SGMII_CTRL_EN_TX BIT(3) + +#define AR8327_REG_PORT_VLAN0(_i) (0x420 + (_i) * 0x8) +#define AR8327_PORT_VLAN0_DEF_SVID BITS(0, 12) +#define AR8327_PORT_VLAN0_DEF_SVID_S 0 +#define AR8327_PORT_VLAN0_DEF_CVID BITS(16, 12) +#define AR8327_PORT_VLAN0_DEF_CVID_S 16 + +#define AR8327_REG_PORT_VLAN1(_i) (0x424 + (_i) * 0x8) +#define AR8327_PORT_VLAN1_PORT_VLAN_PROP BIT(6) +#define AR8327_PORT_VLAN1_OUT_MODE BITS(12, 2) +#define AR8327_PORT_VLAN1_OUT_MODE_S 12 +#define AR8327_PORT_VLAN1_OUT_MODE_UNMOD 0 +#define AR8327_PORT_VLAN1_OUT_MODE_UNTAG 1 +#define AR8327_PORT_VLAN1_OUT_MODE_TAG 2 +#define AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH 3 + +#define AR8327_REG_ATU_DATA0 0x600 +#define AR8327_REG_ATU_DATA1 0x604 +#define AR8327_REG_ATU_DATA2 0x608 + +#define AR8327_REG_ATU_FUNC 0x60c +#define AR8327_ATU_FUNC_OP BITS(0, 4) +#define AR8327_ATU_FUNC_OP_NOOP 0x0 +#define AR8327_ATU_FUNC_OP_FLUSH 0x1 +#define AR8327_ATU_FUNC_OP_LOAD 0x2 +#define AR8327_ATU_FUNC_OP_PURGE 0x3 +#define AR8327_ATU_FUNC_OP_FLUSH_LOCKED 0x4 +#define AR8327_ATU_FUNC_OP_FLUSH_UNICAST 0x5 +#define AR8327_ATU_FUNC_OP_GET_NEXT 0x6 +#define AR8327_ATU_FUNC_OP_SEARCH_MAC 0x7 +#define AR8327_ATU_FUNC_OP_CHANGE_TRUNK 0x8 +#define AR8327_ATU_FUNC_BUSY BIT(31) + +#define AR8327_REG_VTU_FUNC0 0x0610 +#define AR8327_VTU_FUNC0_EG_MODE BITS(4, 14) +#define AR8327_VTU_FUNC0_EG_MODE_S(_i) (4 + (_i) * 2) +#define AR8327_VTU_FUNC0_EG_MODE_KEEP 0 +#define AR8327_VTU_FUNC0_EG_MODE_UNTAG 1 +#define AR8327_VTU_FUNC0_EG_MODE_TAG 2 +#define AR8327_VTU_FUNC0_EG_MODE_NOT 3 +#define AR8327_VTU_FUNC0_IVL BIT(19) +#define AR8327_VTU_FUNC0_VALID BIT(20) + +#define AR8327_REG_VTU_FUNC1 0x0614 +#define AR8327_VTU_FUNC1_OP BITS(0, 3) +#define AR8327_VTU_FUNC1_OP_NOOP 0 +#define AR8327_VTU_FUNC1_OP_FLUSH 1 +#define AR8327_VTU_FUNC1_OP_LOAD 2 +#define AR8327_VTU_FUNC1_OP_PURGE 3 +#define AR8327_VTU_FUNC1_OP_REMOVE_PORT 4 +#define AR8327_VTU_FUNC1_OP_GET_NEXT 5 +#define AR8327_VTU_FUNC1_OP_GET_ONE 6 +#define AR8327_VTU_FUNC1_FULL BIT(4) +#define AR8327_VTU_FUNC1_PORT BIT(8, 4) +#define AR8327_VTU_FUNC1_PORT_S 8 +#define AR8327_VTU_FUNC1_VID BIT(16, 12) +#define AR8327_VTU_FUNC1_VID_S 16 +#define AR8327_VTU_FUNC1_BUSY BIT(31) + +#define AR8327_REG_FWD_CTRL0 0x620 +#define AR8327_FWD_CTRL0_CPU_PORT_EN BIT(10) +#define AR8327_FWD_CTRL0_MIRROR_PORT BITS(4, 4) +#define AR8327_FWD_CTRL0_MIRROR_PORT_S 4 + +#define AR8327_REG_FWD_CTRL1 0x624 +#define AR8327_FWD_CTRL1_UC_FLOOD BITS(0, 7) +#define AR8327_FWD_CTRL1_UC_FLOOD_S 0 +#define AR8327_FWD_CTRL1_MC_FLOOD BITS(8, 7) +#define AR8327_FWD_CTRL1_MC_FLOOD_S 8 +#define AR8327_FWD_CTRL1_BC_FLOOD BITS(16, 7) +#define AR8327_FWD_CTRL1_BC_FLOOD_S 16 +#define AR8327_FWD_CTRL1_IGMP BITS(24, 7) +#define AR8327_FWD_CTRL1_IGMP_S 24 + +#define AR8327_REG_PORT_LOOKUP(_i) (0x660 + (_i) * 0xc) +#define AR8327_PORT_LOOKUP_MEMBER BITS(0, 7) +#define AR8327_PORT_LOOKUP_IN_MODE BITS(8, 2) +#define AR8327_PORT_LOOKUP_IN_MODE_S 8 +#define AR8327_PORT_LOOKUP_STATE BITS(16, 3) +#define AR8327_PORT_LOOKUP_STATE_S 16 +#define AR8327_PORT_LOOKUP_LEARN BIT(20) +#define AR8327_PORT_LOOKUP_ING_MIRROR_EN BIT(25) + +#define AR8327_REG_PORT_PRIO(_i) (0x664 + (_i) * 0xc) + +#define AR8327_REG_PORT_HOL_CTRL1(_i) (0x974 + (_i) * 0x8) +#define AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN BIT(16) + +#define AR8327_REG_PORT_STATS_BASE(_i) (0x1000 + (_i) * 0x100) + +#define AR8337_PAD_MAC06_EXCHANGE_EN BIT(31) + +/* port speed */ +enum { + AR8216_PORT_SPEED_10M = 0, + AR8216_PORT_SPEED_100M = 1, + AR8216_PORT_SPEED_1000M = 2, + AR8216_PORT_SPEED_ERR = 3, +}; + +/* ingress 802.1q mode */ +enum { + AR8216_IN_PORT_ONLY = 0, + AR8216_IN_PORT_FALLBACK = 1, + AR8216_IN_VLAN_ONLY = 2, + AR8216_IN_SECURE = 3 +}; + +/* egress 802.1q mode */ +enum { + AR8216_OUT_KEEP = 0, + AR8216_OUT_STRIP_VLAN = 1, + AR8216_OUT_ADD_VLAN = 2 +}; + +/* port forwarding state */ +enum { + AR8216_PORT_STATE_DISABLED = 0, + AR8216_PORT_STATE_BLOCK = 1, + AR8216_PORT_STATE_LISTEN = 2, + AR8216_PORT_STATE_LEARN = 3, + AR8216_PORT_STATE_FORWARD = 4 +}; + +#endif diff --git a/include/linux/ar8216_platform.h b/include/linux/ar8216_platform.h new file mode 100644 index 0000000..4935ad3 --- /dev/null +++ b/include/linux/ar8216_platform.h @@ -0,0 +1,131 @@ +/* + * AR8216 switch driver platform data + * + * Copyright (C) 2012 Gabor Juhos + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * 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. + */ + +#ifndef AR8216_PLATFORM_H +#define AR8216_PLATFORM_H + +enum ar8327_pad_mode { + AR8327_PAD_NC = 0, + AR8327_PAD_MAC2MAC_MII, + AR8327_PAD_MAC2MAC_GMII, + AR8327_PAD_MAC_SGMII, + AR8327_PAD_MAC2PHY_MII, + AR8327_PAD_MAC2PHY_GMII, + AR8327_PAD_MAC_RGMII, + AR8327_PAD_PHY_GMII, + AR8327_PAD_PHY_RGMII, + AR8327_PAD_PHY_MII, +}; + +enum ar8327_clk_delay_sel { + AR8327_CLK_DELAY_SEL0 = 0, + AR8327_CLK_DELAY_SEL1, + AR8327_CLK_DELAY_SEL2, + AR8327_CLK_DELAY_SEL3, +}; + +struct ar8327_pad_cfg { + enum ar8327_pad_mode mode; + bool rxclk_sel; + bool txclk_sel; + bool pipe_rxclk_sel; + bool txclk_delay_en; + bool rxclk_delay_en; + bool sgmii_delay_en; + enum ar8327_clk_delay_sel txclk_delay_sel; + enum ar8327_clk_delay_sel rxclk_delay_sel; +}; + +enum ar8327_port_speed { + AR8327_PORT_SPEED_10 = 0, + AR8327_PORT_SPEED_100, + AR8327_PORT_SPEED_1000, +}; + +struct ar8327_port_cfg { + int force_link:1; + enum ar8327_port_speed speed; + int txpause:1; + int rxpause:1; + int duplex:1; +}; + +struct ar8327_sgmii_cfg { + u32 sgmii_ctrl; + bool serdes_aen; +}; + +struct ar8327_led_cfg { + u32 led_ctrl0; + u32 led_ctrl1; + u32 led_ctrl2; + u32 led_ctrl3; + bool open_drain; +}; + +enum ar8327_led_num { + AR8327_LED_PHY0_0 = 0, + AR8327_LED_PHY0_1, + AR8327_LED_PHY0_2, + AR8327_LED_PHY1_0, + AR8327_LED_PHY1_1, + AR8327_LED_PHY1_2, + AR8327_LED_PHY2_0, + AR8327_LED_PHY2_1, + AR8327_LED_PHY2_2, + AR8327_LED_PHY3_0, + AR8327_LED_PHY3_1, + AR8327_LED_PHY3_2, + AR8327_LED_PHY4_0, + AR8327_LED_PHY4_1, + AR8327_LED_PHY4_2, +}; + +enum ar8327_led_mode { + AR8327_LED_MODE_HW = 0, + AR8327_LED_MODE_SW, +}; + +struct ar8327_led_info { + const char *name; + const char *default_trigger; + bool active_low; + enum ar8327_led_num led_num; + enum ar8327_led_mode mode; +}; + +#define AR8327_LED_INFO(_led, _mode, _name) { \ + .name = (_name), \ + .led_num = AR8327_LED_ ## _led, \ + .mode = AR8327_LED_MODE_ ## _mode \ +} + +struct ar8327_platform_data { + struct ar8327_pad_cfg *pad0_cfg; + struct ar8327_pad_cfg *pad5_cfg; + struct ar8327_pad_cfg *pad6_cfg; + struct ar8327_sgmii_cfg *sgmii_cfg; + struct ar8327_port_cfg port0_cfg; + struct ar8327_port_cfg port6_cfg; + struct ar8327_led_cfg *led_cfg; + + int (*get_port_link)(unsigned port); + + unsigned num_leds; + const struct ar8327_led_info *leds; +}; + +#endif /* AR8216_PLATFORM_H */ \ No newline at end of file -- 1.8.5.3