326 lines
8.7 KiB
Diff
326 lines
8.7 KiB
Diff
--- a/drivers/net/ethernet/broadcom/Kconfig
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+++ b/drivers/net/ethernet/broadcom/Kconfig
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@@ -24,6 +24,7 @@ config B44
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select SSB
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select NET_CORE
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select MII
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+ select PHYLIB
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---help---
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If you have a network (Ethernet) controller of this type, say Y
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or M and read the Ethernet-HOWTO, available from
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--- a/drivers/net/ethernet/broadcom/b44.c
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+++ b/drivers/net/ethernet/broadcom/b44.c
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@@ -29,6 +29,7 @@
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#include <linux/dma-mapping.h>
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#include <linux/ssb/ssb.h>
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#include <linux/slab.h>
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+#include <linux/phy.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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@@ -300,21 +301,23 @@ static inline int b44_writephy(struct b4
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}
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/* miilib interface */
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-static int b44_mii_read(struct net_device *dev, int phy_id, int location)
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+static int b44_mii_read(struct mii_bus *bus, int phy_id, int location)
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{
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u32 val;
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- struct b44 *bp = netdev_priv(dev);
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+ struct b44 *bp = bus->priv;
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int rc = __b44_readphy(bp, phy_id, location, &val);
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if (rc)
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return 0xffffffff;
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return val;
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}
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-static void b44_mii_write(struct net_device *dev, int phy_id, int location,
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- int val)
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+static int b44_mii_write(struct mii_bus *bus, int phy_id, int location,
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+ u16 val)
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{
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- struct b44 *bp = netdev_priv(dev);
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+ struct b44 *bp = bus->priv;
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__b44_writephy(bp, phy_id, location, val);
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+
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+ return 0;
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}
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static int b44_phy_reset(struct b44 *bp)
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@@ -1831,102 +1834,24 @@ static int b44_get_settings(struct net_d
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{
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struct b44 *bp = netdev_priv(dev);
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- cmd->supported = (SUPPORTED_Autoneg);
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- cmd->supported |= (SUPPORTED_100baseT_Half |
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- SUPPORTED_100baseT_Full |
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- SUPPORTED_10baseT_Half |
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- SUPPORTED_10baseT_Full |
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- SUPPORTED_MII);
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-
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- cmd->advertising = 0;
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- if (bp->flags & B44_FLAG_ADV_10HALF)
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- cmd->advertising |= ADVERTISED_10baseT_Half;
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- if (bp->flags & B44_FLAG_ADV_10FULL)
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- cmd->advertising |= ADVERTISED_10baseT_Full;
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- if (bp->flags & B44_FLAG_ADV_100HALF)
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- cmd->advertising |= ADVERTISED_100baseT_Half;
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- if (bp->flags & B44_FLAG_ADV_100FULL)
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- cmd->advertising |= ADVERTISED_100baseT_Full;
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- cmd->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
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- ethtool_cmd_speed_set(cmd, ((bp->flags & B44_FLAG_100_BASE_T) ?
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- SPEED_100 : SPEED_10));
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- cmd->duplex = (bp->flags & B44_FLAG_FULL_DUPLEX) ?
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- DUPLEX_FULL : DUPLEX_HALF;
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- cmd->port = 0;
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- cmd->phy_address = bp->phy_addr;
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- cmd->transceiver = (bp->flags & B44_FLAG_INTERNAL_PHY) ?
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- XCVR_INTERNAL : XCVR_EXTERNAL;
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- cmd->autoneg = (bp->flags & B44_FLAG_FORCE_LINK) ?
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- AUTONEG_DISABLE : AUTONEG_ENABLE;
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- if (cmd->autoneg == AUTONEG_ENABLE)
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- cmd->advertising |= ADVERTISED_Autoneg;
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- if (!netif_running(dev)){
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- ethtool_cmd_speed_set(cmd, 0);
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- cmd->duplex = 0xff;
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- }
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- cmd->maxtxpkt = 0;
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- cmd->maxrxpkt = 0;
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- return 0;
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+ return phy_ethtool_gset(bp->phydev, cmd);
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}
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static int b44_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct b44 *bp = netdev_priv(dev);
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- u32 speed = ethtool_cmd_speed(cmd);
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-
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- /* We do not support gigabit. */
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- if (cmd->autoneg == AUTONEG_ENABLE) {
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- if (cmd->advertising &
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- (ADVERTISED_1000baseT_Half |
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- ADVERTISED_1000baseT_Full))
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- return -EINVAL;
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- } else if ((speed != SPEED_100 &&
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- speed != SPEED_10) ||
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- (cmd->duplex != DUPLEX_HALF &&
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- cmd->duplex != DUPLEX_FULL)) {
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- return -EINVAL;
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- }
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+ int ret;
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spin_lock_irq(&bp->lock);
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- if (cmd->autoneg == AUTONEG_ENABLE) {
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- bp->flags &= ~(B44_FLAG_FORCE_LINK |
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- B44_FLAG_100_BASE_T |
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- B44_FLAG_FULL_DUPLEX |
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- B44_FLAG_ADV_10HALF |
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- B44_FLAG_ADV_10FULL |
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- B44_FLAG_ADV_100HALF |
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- B44_FLAG_ADV_100FULL);
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- if (cmd->advertising == 0) {
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- bp->flags |= (B44_FLAG_ADV_10HALF |
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- B44_FLAG_ADV_10FULL |
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- B44_FLAG_ADV_100HALF |
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- B44_FLAG_ADV_100FULL);
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- } else {
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- if (cmd->advertising & ADVERTISED_10baseT_Half)
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- bp->flags |= B44_FLAG_ADV_10HALF;
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- if (cmd->advertising & ADVERTISED_10baseT_Full)
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- bp->flags |= B44_FLAG_ADV_10FULL;
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- if (cmd->advertising & ADVERTISED_100baseT_Half)
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- bp->flags |= B44_FLAG_ADV_100HALF;
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- if (cmd->advertising & ADVERTISED_100baseT_Full)
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- bp->flags |= B44_FLAG_ADV_100FULL;
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- }
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- } else {
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- bp->flags |= B44_FLAG_FORCE_LINK;
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- bp->flags &= ~(B44_FLAG_100_BASE_T | B44_FLAG_FULL_DUPLEX);
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- if (speed == SPEED_100)
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- bp->flags |= B44_FLAG_100_BASE_T;
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- if (cmd->duplex == DUPLEX_FULL)
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- bp->flags |= B44_FLAG_FULL_DUPLEX;
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- }
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-
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if (netif_running(dev))
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b44_setup_phy(bp);
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+ ret = phy_ethtool_sset(bp->phydev, cmd);
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+
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spin_unlock_irq(&bp->lock);
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- return 0;
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+ return ret;
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}
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static void b44_get_ringparam(struct net_device *dev,
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@@ -2102,20 +2027,74 @@ static const struct ethtool_ops b44_etht
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static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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{
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- struct mii_ioctl_data *data = if_mii(ifr);
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struct b44 *bp = netdev_priv(dev);
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int err = -EINVAL;
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if (!netif_running(dev))
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goto out;
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+ if (!bp->phydev)
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+ return -EINVAL;
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+
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spin_lock_irq(&bp->lock);
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- err = generic_mii_ioctl(&bp->mii_if, data, cmd, NULL);
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+ err = phy_mii_ioctl(bp->phydev, ifr, cmd);
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spin_unlock_irq(&bp->lock);
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out:
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return err;
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}
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+static void b44_adjust_link(struct net_device *dev)
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+{
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+ struct b44 *bp = netdev_priv(dev);
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+ struct phy_device *phydev = bp->phydev;
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+ bool status_changed = 0;
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+
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+ BUG_ON(!phydev);
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+
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+ if (bp->old_link != phydev->link) {
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+ status_changed = 1;
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+ bp->old_link = phydev->link;
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+ }
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+
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+ /* reflect duplex change */
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+ if (phydev->link && (bp->old_duplex != phydev->duplex)) {
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+ status_changed = 1;
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+ bp->old_duplex = phydev->duplex;
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+ }
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+
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+ if (status_changed)
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+ phy_print_status(phydev);
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+}
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+
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+static int b44_mii_probe(struct net_device *dev)
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+{
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+ struct b44 *bp = netdev_priv(dev);
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+ struct phy_device *phydev = NULL;
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+ char phy_id[MII_BUS_ID_SIZE + 3];
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+
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+ /* connect to PHY */
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+ snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
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+ bp->mii_bus->id, bp->phy_addr);
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+
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+ phydev = phy_connect(dev, phy_id, &b44_adjust_link,
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+ PHY_INTERFACE_MODE_MII);
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+ if (IS_ERR(phydev)) {
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+ netdev_err(dev, "could not attach PHY: %s\n", phy_id);
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+ bp->phy_addr = B44_PHY_ADDR_NO_PHY;
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+ return PTR_ERR(phydev);
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+ }
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+
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+ bp->phydev = phydev;
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+ bp->old_link = 0;
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+ bp->old_duplex = -1;
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+ bp->phy_addr = phydev->addr;
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+
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+ netdev_info(dev, "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
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+ phydev->drv->name, dev_name(&phydev->dev));
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+
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+ return 0;
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+}
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+
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static int b44_get_invariants(struct b44 *bp)
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{
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struct ssb_device *sdev = bp->sdev;
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@@ -2235,12 +2214,40 @@ static int b44_init_one(struct ssb_devic
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goto err_out_powerdown;
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}
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- bp->mii_if.dev = dev;
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- bp->mii_if.mdio_read = b44_mii_read;
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- bp->mii_if.mdio_write = b44_mii_write;
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- bp->mii_if.phy_id = bp->phy_addr;
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- bp->mii_if.phy_id_mask = 0x1f;
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- bp->mii_if.reg_num_mask = 0x1f;
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+ bp->mii_bus = mdiobus_alloc();
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+ if (!bp->mii_bus) {
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+ dev_err(sdev->dev, "mdiobus_alloc() failed\n");
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+ err = -ENOMEM;
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+ goto err_out_powerdown;
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+ }
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+
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+ bp->mii_bus->priv = bp;
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+ bp->mii_bus->read = b44_mii_read;
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+ bp->mii_bus->write = b44_mii_write;
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+ bp->mii_bus->name = "b44_eth_mii";
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+ bp->mii_bus->parent = sdev->dev;
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+ bp->mii_bus->phy_mask = ~(1 << bp->phy_addr);
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+ snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", instance);
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+ bp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
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+ if (!bp->mii_bus->irq) {
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+ dev_err(sdev->dev, "mii_bus irq allocation failed\n");
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+ err = -ENOMEM;
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+ goto err_out_mdiobus;
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+ }
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+
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+ memset(bp->mii_bus->irq, PHY_POLL, sizeof(int) * PHY_MAX_ADDR);
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+
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+ err = mdiobus_register(bp->mii_bus);
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+ if (err) {
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+ dev_err(sdev->dev, "failed to register MII bus\n");
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+ goto err_out_mdiobus_irq;
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+ }
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+
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+ err = b44_mii_probe(dev);
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+ if (err) {
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+ dev_err(sdev->dev, "failed to probe MII bus\n");
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+ goto err_out_mdiobus_unregister;
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+ }
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/* By default, advertise all speed/duplex settings. */
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bp->flags |= (B44_FLAG_ADV_10HALF | B44_FLAG_ADV_10FULL |
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@@ -2272,6 +2279,16 @@ static int b44_init_one(struct ssb_devic
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return 0;
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+
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+err_out_mdiobus_unregister:
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+ mdiobus_unregister(bp->mii_bus);
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+
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+err_out_mdiobus_irq:
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+ kfree(bp->mii_bus->irq);
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+
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+err_out_mdiobus:
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+ mdiobus_free(bp->mii_bus);
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+
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err_out_powerdown:
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ssb_bus_may_powerdown(sdev->bus);
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@@ -2285,8 +2302,12 @@ out:
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static void b44_remove_one(struct ssb_device *sdev)
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{
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struct net_device *dev = ssb_get_drvdata(sdev);
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+ struct b44 *bp = netdev_priv(dev);
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unregister_netdev(dev);
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+ mdiobus_unregister(bp->mii_bus);
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+ kfree(bp->mii_bus->irq);
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+ mdiobus_free(bp->mii_bus);
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ssb_device_disable(sdev, 0);
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ssb_bus_may_powerdown(sdev->bus);
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free_netdev(dev);
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--- a/drivers/net/ethernet/broadcom/b44.h
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+++ b/drivers/net/ethernet/broadcom/b44.h
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@@ -396,7 +396,10 @@ struct b44 {
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u32 tx_pending;
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u8 phy_addr;
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u8 force_copybreak;
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- struct mii_if_info mii_if;
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+ struct phy_device *phydev;
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+ struct mii_bus *mii_bus;
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+ int old_link;
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+ int old_duplex;
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};
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#endif /* _B44_H */
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