#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
-#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/signal.h>
#include <linux/ipv6.h>
#include <linux/mdio.h>
#include <net/ip6_checksum.h>
+#include <linux/microchipphy.h>
#include "lan78xx.h"
#define DRIVER_AUTHOR "WOOJUNG HUH <woojung.huh@microchip.com>"
#define DRIVER_DESC "LAN78XX USB 3.0 Gigabit Ethernet Devices"
#define DRIVER_NAME "lan78xx"
-#define DRIVER_VERSION "1.0.0"
+#define DRIVER_VERSION "1.0.1"
#define TX_TIMEOUT_JIFFIES (5 * HZ)
#define THROTTLE_JIFFIES (HZ / 8)
#define DEFAULT_RX_CSUM_ENABLE (true)
#define DEFAULT_TSO_CSUM_ENABLE (true)
#define DEFAULT_VLAN_FILTER_ENABLE (true)
-#define INTERNAL_PHY_ID (2) /* 2: GMII */
#define TX_OVERHEAD (8)
#define RXW_PADDING 2
struct timer_list delay;
unsigned long data[5];
- struct mii_if_info mii;
int link_on;
u8 mdix_ctrl;
+
+ u32 devid;
+ struct mii_bus *mdiobus;
};
/* use ethtool to change the level for any given device */
return ret;
}
-static int lan78xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
-{
- struct lan78xx_net *dev = netdev_priv(netdev);
- u32 val, addr;
- int ret;
-
- ret = usb_autopm_get_interface(dev->intf);
- if (ret < 0)
- return ret;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* set the address, index & direction (read from PHY) */
- phy_id &= dev->mii.phy_id_mask;
- idx &= dev->mii.reg_num_mask;
- addr = mii_access(phy_id, idx, MII_READ);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- ret = lan78xx_read_reg(dev, MII_DATA, &val);
-
- ret = (int)(val & 0xFFFF);
-
-done:
- mutex_unlock(&dev->phy_mutex);
- usb_autopm_put_interface(dev->intf);
- return ret;
-}
-
-static void lan78xx_mdio_write(struct net_device *netdev, int phy_id,
- int idx, int regval)
-{
- struct lan78xx_net *dev = netdev_priv(netdev);
- u32 val, addr;
- int ret;
-
- if (usb_autopm_get_interface(dev->intf) < 0)
- return;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- val = regval;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- /* set the address, index & direction (write to PHY) */
- phy_id &= dev->mii.phy_id_mask;
- idx &= dev->mii.reg_num_mask;
- addr = mii_access(phy_id, idx, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
-done:
- mutex_unlock(&dev->phy_mutex);
- usb_autopm_put_interface(dev->intf);
-}
-
-static void lan78xx_mmd_write(struct net_device *netdev, int phy_id,
- int mmddev, int mmdidx, int regval)
-{
- struct lan78xx_net *dev = netdev_priv(netdev);
- u32 val, addr;
- int ret;
-
- if (usb_autopm_get_interface(dev->intf) < 0)
- return;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- mmddev &= 0x1F;
-
- /* set up device address for MMD */
- ret = lan78xx_write_reg(dev, MII_DATA, mmddev);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* select register of MMD */
- val = mmdidx;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* select register data for MMD */
- val = PHY_MMD_CTRL_OP_DNI_ | mmddev;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* write to MMD */
- val = regval;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
-done:
- mutex_unlock(&dev->phy_mutex);
- usb_autopm_put_interface(dev->intf);
-}
-
-static int lan78xx_mmd_read(struct net_device *netdev, int phy_id,
- int mmddev, int mmdidx)
-{
- struct lan78xx_net *dev = netdev_priv(netdev);
- u32 val, addr;
- int ret;
-
- ret = usb_autopm_get_interface(dev->intf);
- if (ret < 0)
- return ret;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* set up device address for MMD */
- ret = lan78xx_write_reg(dev, MII_DATA, mmddev);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* select register of MMD */
- val = mmdidx;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* select register data for MMD */
- val = PHY_MMD_CTRL_OP_DNI_ | mmddev;
- ret = lan78xx_write_reg(dev, MII_DATA, val);
-
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* set the address, index & direction (read from PHY) */
- phy_id &= dev->mii.phy_id_mask;
- addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_READ);
- ret = lan78xx_write_reg(dev, MII_ACC, addr);
-
- ret = lan78xx_phy_wait_not_busy(dev);
- if (ret < 0)
- goto done;
-
- /* read from MMD */
- ret = lan78xx_read_reg(dev, MII_DATA, &val);
-
- ret = (int)(val & 0xFFFF);
-
-done:
- mutex_unlock(&dev->phy_mutex);
- usb_autopm_put_interface(dev->intf);
- return ret;
-}
-
static int lan78xx_wait_eeprom(struct lan78xx_net *dev)
{
unsigned long start_time = jiffies;
static int lan78xx_link_reset(struct lan78xx_net *dev)
{
- struct mii_if_info *mii = &dev->mii;
+ struct phy_device *phydev = dev->net->phydev;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
int ladv, radv, ret;
u32 buf;
/* clear PHY interrupt status */
- /* VTSE PHY */
- ret = lan78xx_mdio_read(dev->net, mii->phy_id, PHY_VTSE_INT_STS);
+ ret = phy_read(phydev, LAN88XX_INT_STS);
if (unlikely(ret < 0))
return -EIO;
if (unlikely(ret < 0))
return -EIO;
- if (!mii_link_ok(mii) && dev->link_on) {
+ phy_read_status(phydev);
+
+ if (!phydev->link && dev->link_on) {
dev->link_on = false;
netif_carrier_off(dev->net);
ret = lan78xx_write_reg(dev, MAC_CR, buf);
if (unlikely(ret < 0))
return -EIO;
- } else if (mii_link_ok(mii) && !dev->link_on) {
+ } else if (phydev->link && !dev->link_on) {
dev->link_on = true;
- mii_check_media(mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
+ phy_ethtool_gset(phydev, &ecmd);
- mii->mdio_read(mii->dev, mii->phy_id, PHY_VTSE_INT_STS);
+ ret = phy_read(phydev, LAN88XX_INT_STS);
if (dev->udev->speed == USB_SPEED_SUPER) {
if (ethtool_cmd_speed(&ecmd) == 1000) {
}
}
- ladv = lan78xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
+ ladv = phy_read(phydev, MII_ADVERTISE);
if (ladv < 0)
return ladv;
- radv = lan78xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
+ radv = phy_read(phydev, MII_LPA);
if (radv < 0)
return radv;
device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts);
+ phy_ethtool_set_wol(netdev->phydev, wol);
+
usb_autopm_put_interface(dev->intf);
return ret;
static int lan78xx_get_eee(struct net_device *net, struct ethtool_eee *edata)
{
struct lan78xx_net *dev = netdev_priv(net);
+ struct phy_device *phydev = net->phydev;
int ret;
u32 buf;
- u32 adv, lpadv;
ret = usb_autopm_get_interface(dev->intf);
if (ret < 0)
return ret;
+ ret = phy_ethtool_get_eee(phydev, edata);
+ if (ret < 0)
+ goto exit;
+
ret = lan78xx_read_reg(dev, MAC_CR, &buf);
if (buf & MAC_CR_EEE_EN_) {
- buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id,
- PHY_MMD_DEV_7, PHY_EEE_ADVERTISEMENT);
- adv = mmd_eee_adv_to_ethtool_adv_t(buf);
- buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id,
- PHY_MMD_DEV_7, PHY_EEE_LP_ADVERTISEMENT);
- lpadv = mmd_eee_adv_to_ethtool_adv_t(buf);
-
edata->eee_enabled = true;
- edata->supported = true;
- edata->eee_active = !!(adv & lpadv);
- edata->advertised = adv;
- edata->lp_advertised = lpadv;
+ edata->eee_active = !!(edata->advertised &
+ edata->lp_advertised);
edata->tx_lpi_enabled = true;
/* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */
ret = lan78xx_read_reg(dev, EEE_TX_LPI_REQ_DLY, &buf);
edata->tx_lpi_timer = buf;
} else {
- buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id,
- PHY_MMD_DEV_7, PHY_EEE_LP_ADVERTISEMENT);
- lpadv = mmd_eee_adv_to_ethtool_adv_t(buf);
-
edata->eee_enabled = false;
edata->eee_active = false;
- edata->supported = false;
- edata->advertised = 0;
- edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(lpadv);
edata->tx_lpi_enabled = false;
edata->tx_lpi_timer = 0;
}
+ ret = 0;
+exit:
usb_autopm_put_interface(dev->intf);
- return 0;
+ return ret;
}
static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata)
buf |= MAC_CR_EEE_EN_;
ret = lan78xx_write_reg(dev, MAC_CR, buf);
- buf = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
- lan78xx_mmd_write(dev->net, dev->mii.phy_id,
- PHY_MMD_DEV_7, PHY_EEE_ADVERTISEMENT, buf);
+ phy_ethtool_set_eee(net->phydev, edata);
+
+ buf = (u32)edata->tx_lpi_timer;
+ ret = lan78xx_write_reg(dev, EEE_TX_LPI_REQ_DLY, buf);
} else {
ret = lan78xx_read_reg(dev, MAC_CR, &buf);
buf &= ~MAC_CR_EEE_EN_;
static u32 lan78xx_get_link(struct net_device *net)
{
- struct lan78xx_net *dev = netdev_priv(net);
+ phy_read_status(net->phydev);
- return mii_link_ok(&dev->mii);
+ return net->phydev->link;
}
int lan78xx_nway_reset(struct net_device *net)
{
- struct lan78xx_net *dev = netdev_priv(net);
-
- if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write))
- return -EOPNOTSUPP;
-
- return mii_nway_restart(&dev->mii);
+ return phy_start_aneg(net->phydev);
}
static void lan78xx_get_drvinfo(struct net_device *net,
dev->msg_enable = level;
}
+static int lan78xx_get_mdix_status(struct net_device *net)
+{
+ struct phy_device *phydev = net->phydev;
+ int buf;
+
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_0);
+
+ return buf;
+}
+
+static void lan78xx_set_mdix_status(struct net_device *net, __u8 mdix_ctrl)
+{
+ struct lan78xx_net *dev = netdev_priv(net);
+ struct phy_device *phydev = net->phydev;
+ int buf;
+
+ if (mdix_ctrl == ETH_TP_MDI) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_MDI_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ } else if (mdix_ctrl == ETH_TP_MDI_X) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_MDI_X_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ } else if (mdix_ctrl == ETH_TP_MDI_AUTO) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ }
+ dev->mdix_ctrl = mdix_ctrl;
+}
+
static int lan78xx_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct lan78xx_net *dev = netdev_priv(net);
- struct mii_if_info *mii = &dev->mii;
+ struct phy_device *phydev = net->phydev;
int ret;
int buf;
- if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write))
- return -EOPNOTSUPP;
-
ret = usb_autopm_get_interface(dev->intf);
if (ret < 0)
return ret;
- ret = mii_ethtool_gset(&dev->mii, cmd);
+ ret = phy_ethtool_gset(phydev, cmd);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_1);
- buf = mii->mdio_read(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_0);
+ buf = lan78xx_get_mdix_status(net);
- buf &= PHY_EXT_MODE_CTRL_MDIX_MASK_;
- if (buf == PHY_EXT_MODE_CTRL_AUTO_MDIX_) {
+ buf &= LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ if (buf == LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_) {
cmd->eth_tp_mdix = ETH_TP_MDI_AUTO;
cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
- } else if (buf == PHY_EXT_MODE_CTRL_MDI_) {
+ } else if (buf == LAN88XX_EXT_MODE_CTRL_MDI_) {
cmd->eth_tp_mdix = ETH_TP_MDI;
cmd->eth_tp_mdix_ctrl = ETH_TP_MDI;
- } else if (buf == PHY_EXT_MODE_CTRL_MDI_X_) {
+ } else if (buf == LAN88XX_EXT_MODE_CTRL_MDI_X_) {
cmd->eth_tp_mdix = ETH_TP_MDI_X;
cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_X;
}
static int lan78xx_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct lan78xx_net *dev = netdev_priv(net);
- struct mii_if_info *mii = &dev->mii;
+ struct phy_device *phydev = net->phydev;
int ret = 0;
int temp;
- if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write))
- return -EOPNOTSUPP;
-
ret = usb_autopm_get_interface(dev->intf);
if (ret < 0)
return ret;
if (dev->mdix_ctrl != cmd->eth_tp_mdix_ctrl) {
- if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI) {
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_1);
- temp = mii->mdio_read(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL);
- temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_;
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL,
- temp | PHY_EXT_MODE_CTRL_MDI_);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_0);
- } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_X) {
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_1);
- temp = mii->mdio_read(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL);
- temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_;
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL,
- temp | PHY_EXT_MODE_CTRL_MDI_X_);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_0);
- } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) {
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_1);
- temp = mii->mdio_read(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL);
- temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_;
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_MODE_CTRL,
- temp | PHY_EXT_MODE_CTRL_AUTO_MDIX_);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE,
- PHY_EXT_GPIO_PAGE_SPACE_0);
- }
+ lan78xx_set_mdix_status(net, cmd->eth_tp_mdix_ctrl);
}
/* change speed & duplex */
- ret = mii_ethtool_sset(&dev->mii, cmd);
+ ret = phy_ethtool_sset(phydev, cmd);
if (!cmd->autoneg) {
/* force link down */
- temp = mii->mdio_read(mii->dev, mii->phy_id, MII_BMCR);
- mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR,
- temp | BMCR_LOOPBACK);
+ temp = phy_read(phydev, MII_BMCR);
+ phy_write(phydev, MII_BMCR, temp | BMCR_LOOPBACK);
mdelay(1);
- mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, temp);
+ phy_write(phydev, MII_BMCR, temp);
}
usb_autopm_put_interface(dev->intf);
static int lan78xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
{
- struct lan78xx_net *dev = netdev_priv(netdev);
-
if (!netif_running(netdev))
return -EINVAL;
- return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+ return phy_mii_ioctl(netdev->phydev, rq, cmd);
}
static void lan78xx_init_mac_address(struct lan78xx_net *dev)
ether_addr_copy(dev->net->dev_addr, addr);
}
-static void lan78xx_mii_init(struct lan78xx_net *dev)
+/* MDIO read and write wrappers for phylib */
+static int lan78xx_mdiobus_read(struct mii_bus *bus, int phy_id, int idx)
{
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = lan78xx_mdio_read;
- dev->mii.mdio_write = lan78xx_mdio_write;
- dev->mii.phy_id_mask = 0x1f;
- dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = INTERNAL_PHY_ID;
- dev->mii.supports_gmii = true;
+ struct lan78xx_net *dev = bus->priv;
+ u32 val, addr;
+ int ret;
+
+ ret = usb_autopm_get_interface(dev->intf);
+ if (ret < 0)
+ return ret;
+
+ mutex_lock(&dev->phy_mutex);
+
+ /* confirm MII not busy */
+ ret = lan78xx_phy_wait_not_busy(dev);
+ if (ret < 0)
+ goto done;
+
+ /* set the address, index & direction (read from PHY) */
+ addr = mii_access(phy_id, idx, MII_READ);
+ ret = lan78xx_write_reg(dev, MII_ACC, addr);
+
+ ret = lan78xx_phy_wait_not_busy(dev);
+ if (ret < 0)
+ goto done;
+
+ ret = lan78xx_read_reg(dev, MII_DATA, &val);
+
+ ret = (int)(val & 0xFFFF);
+
+done:
+ mutex_unlock(&dev->phy_mutex);
+ usb_autopm_put_interface(dev->intf);
+ return ret;
+}
+
+static int lan78xx_mdiobus_write(struct mii_bus *bus, int phy_id, int idx,
+ u16 regval)
+{
+ struct lan78xx_net *dev = bus->priv;
+ u32 val, addr;
+ int ret;
+
+ ret = usb_autopm_get_interface(dev->intf);
+ if (ret < 0)
+ return ret;
+
+ mutex_lock(&dev->phy_mutex);
+
+ /* confirm MII not busy */
+ ret = lan78xx_phy_wait_not_busy(dev);
+ if (ret < 0)
+ goto done;
+
+ val = (u32)regval;
+ ret = lan78xx_write_reg(dev, MII_DATA, val);
+
+ /* set the address, index & direction (write to PHY) */
+ addr = mii_access(phy_id, idx, MII_WRITE);
+ ret = lan78xx_write_reg(dev, MII_ACC, addr);
+
+ ret = lan78xx_phy_wait_not_busy(dev);
+ if (ret < 0)
+ goto done;
+
+done:
+ mutex_unlock(&dev->phy_mutex);
+ usb_autopm_put_interface(dev->intf);
+ return 0;
+}
+
+static int lan78xx_mdio_init(struct lan78xx_net *dev)
+{
+ int ret;
+ int i;
+
+ dev->mdiobus = mdiobus_alloc();
+ if (!dev->mdiobus) {
+ netdev_err(dev->net, "can't allocate MDIO bus\n");
+ return -ENOMEM;
+ }
+
+ dev->mdiobus->priv = (void *)dev;
+ dev->mdiobus->read = lan78xx_mdiobus_read;
+ dev->mdiobus->write = lan78xx_mdiobus_write;
+ dev->mdiobus->name = "lan78xx-mdiobus";
+
+ snprintf(dev->mdiobus->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
+ dev->udev->bus->busnum, dev->udev->devnum);
+
+ dev->mdiobus->irq = kzalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ if (!dev->mdiobus->irq) {
+ ret = -ENOMEM;
+ goto exit1;
+ }
+
+ /* handle our own interrupt */
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ dev->mdiobus->irq[i] = PHY_IGNORE_INTERRUPT;
+
+ switch (dev->devid & ID_REV_CHIP_ID_MASK_) {
+ case 0x78000000:
+ case 0x78500000:
+ /* set to internal PHY id */
+ dev->mdiobus->phy_mask = ~(1 << 1);
+ break;
+ }
+
+ ret = mdiobus_register(dev->mdiobus);
+ if (ret) {
+ netdev_err(dev->net, "can't register MDIO bus\n");
+ goto exit2;
+ }
+
+ netdev_dbg(dev->net, "registered mdiobus bus %s\n", dev->mdiobus->id);
+ return 0;
+exit2:
+ kfree(dev->mdiobus->irq);
+exit1:
+ mdiobus_free(dev->mdiobus);
+ return ret;
+}
+
+static void lan78xx_remove_mdio(struct lan78xx_net *dev)
+{
+ mdiobus_unregister(dev->mdiobus);
+ kfree(dev->mdiobus->irq);
+ mdiobus_free(dev->mdiobus);
+}
+
+static void lan78xx_link_status_change(struct net_device *net)
+{
+ /* nothing to do */
}
static int lan78xx_phy_init(struct lan78xx_net *dev)
{
- int temp;
- struct mii_if_info *mii = &dev->mii;
+ int ret;
+ struct phy_device *phydev = dev->net->phydev;
- if ((!mii->mdio_write) || (!mii->mdio_read))
- return -EOPNOTSUPP;
+ phydev = phy_find_first(dev->mdiobus);
+ if (!phydev) {
+ netdev_err(dev->net, "no PHY found\n");
+ return -EIO;
+ }
- temp = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);
- temp |= ADVERTISE_ALL;
- mii->mdio_write(mii->dev, mii->phy_id, MII_ADVERTISE,
- temp | ADVERTISE_CSMA |
- ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
+ ret = phy_connect_direct(dev->net, phydev,
+ lan78xx_link_status_change,
+ PHY_INTERFACE_MODE_GMII);
+ if (ret) {
+ netdev_err(dev->net, "can't attach PHY to %s\n",
+ dev->mdiobus->id);
+ return -EIO;
+ }
/* set to AUTOMDIX */
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_1);
- temp = mii->mdio_read(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL);
- temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_;
- mii->mdio_write(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL,
- temp | PHY_EXT_MODE_CTRL_AUTO_MDIX_);
- mii->mdio_write(mii->dev, mii->phy_id,
- PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_0);
- dev->mdix_ctrl = ETH_TP_MDI_AUTO;
-
- /* MAC doesn't support 1000HD */
- temp = mii->mdio_read(mii->dev, mii->phy_id, MII_CTRL1000);
- mii->mdio_write(mii->dev, mii->phy_id, MII_CTRL1000,
- temp & ~ADVERTISE_1000HALF);
-
- /* clear interrupt */
- mii->mdio_read(mii->dev, mii->phy_id, PHY_VTSE_INT_STS);
- mii->mdio_write(mii->dev, mii->phy_id, PHY_VTSE_INT_MASK,
- PHY_VTSE_INT_MASK_MDINTPIN_EN_ |
- PHY_VTSE_INT_MASK_LINK_CHANGE_);
+ lan78xx_set_mdix_status(dev->net, ETH_TP_MDI_AUTO);
+
+ /* MAC doesn't support 1000T Half */
+ phydev->supported &= ~SUPPORTED_1000baseT_Half;
+ phydev->supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+ genphy_config_aneg(phydev);
+
+ /* Workaround to enable PHY interrupt.
+ * phy_start_interrupts() is API for requesting and enabling
+ * PHY interrupt. However, USB-to-Ethernet device can't use
+ * request_irq() called in phy_start_interrupts().
+ * Set PHY to PHY_HALTED and call phy_start()
+ * to make a call to phy_enable_interrupts()
+ */
+ phy_stop(phydev);
+ phy_start(phydev);
netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
lan78xx_init_mac_address(dev);
+ /* save DEVID for later usage */
+ ret = lan78xx_read_reg(dev, ID_REV, &buf);
+ dev->devid = buf;
+
/* Respond to the IN token with a NAK */
ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
buf |= USB_CFG_BIR_;
netdev_warn(dev->net, "timeout waiting for PHY Reset");
return -EIO;
}
- } while (buf & PMT_CTL_PHY_RST_);
-
- lan78xx_mii_init(dev);
-
- ret = lan78xx_phy_init(dev);
+ } while ((buf & PMT_CTL_PHY_RST_) || !(buf & PMT_CTL_READY_));
ret = lan78xx_read_reg(dev, MAC_CR, &buf);
-
- buf |= MAC_CR_GMII_EN_;
buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
-
ret = lan78xx_write_reg(dev, MAC_CR, buf);
- /* enable on PHY */
- if (buf & MAC_CR_EEE_EN_)
- lan78xx_mmd_write(dev->net, dev->mii.phy_id, 0x07, 0x3C, 0x06);
-
/* enable PHY interrupts */
ret = lan78xx_read_reg(dev, INT_EP_CTL, &buf);
buf |= INT_ENP_PHY_INT;
buf |= FCT_RX_CTL_EN_;
ret = lan78xx_write_reg(dev, FCT_RX_CTL, buf);
- if (!mii_nway_restart(&dev->mii))
- netif_dbg(dev, link, dev->net, "autoneg initiated");
-
return 0;
}
if (ret < 0)
goto done;
+ ret = lan78xx_phy_init(dev);
+ if (ret < 0)
+ goto done;
+
/* for Link Check */
if (dev->urb_intr) {
ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL);
{
struct lan78xx_net *dev = netdev_priv(net);
+ phy_stop(net->phydev);
+ phy_disconnect(net->phydev);
+ net->phydev = NULL;
+
clear_bit(EVENT_DEV_OPEN, &dev->flags);
netif_stop_queue(net);
/* Init all registers */
ret = lan78xx_reset(dev);
+ lan78xx_mdio_init(dev);
+
dev->net->flags |= IFF_MULTICAST;
pdata->wol = WAKE_MAGIC;
{
struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]);
+ lan78xx_remove_mdio(dev);
+
if (pdata) {
netif_dbg(dev, ifdown, dev->net, "free pdata");
kfree(pdata);
skb_pull(skb, align_count);
}
- if (unlikely(skb->len < 0)) {
- netdev_warn(dev->net, "invalid rx length<0 %d", skb->len);
- return 0;
- }
-
return 1;
}
int ret;
int event;
- ret = 0;
event = message.event;
if (!dev->suspend_count++) {
}
}
+ ret = 0;
out:
return ret;
}
struct lan78xx_net *dev = usb_get_intfdata(intf);
lan78xx_reset(dev);
+
+ lan78xx_phy_init(dev);
+
return lan78xx_resume(intf);
}
projects / karo-tx-linux.git / blobdiff