etherh.c

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/*
 *  linux/drivers/acorn/net/etherh.c
 *
 *  Copyright (C) 2000-2002 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * NS8390 I-cubed EtherH and ANT EtherM specific driver
 * Thanks to I-Cubed for information on their cards.
 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
 * EtherM integration re-engineered by Russell King.
 *
 * Changelog:
 *  08-12-1996  RMK 1.00    Created
 *      RMK 1.03    Added support for EtherLan500 cards
 *  23-11-1997  RMK 1.04    Added media autodetection
 *  16-04-1998  RMK 1.05    Improved media autodetection
 *  10-02-2000  RMK 1.06    Updated for 2.3.43
 *  13-05-2000  RMK 1.07    Updated for 2.3.99-pre8
 *  12-10-1999  CK/TEW      EtherM driver first release
 *  21-12-2000  TTC     EtherH/EtherM integration
 *  25-12-2000  RMK 1.08    Clean integration of EtherM into this driver.
 *  03-01-2002  RMK 1.09    Always enable IRQs if we're in the nic slot.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/jiffies.h>

#include <asm/ecard.h>
#include <asm/io.h>
#include <asm/system_info.h>

#define EI_SHIFT(x) (ei_local->reg_offset[x])

#define ei_inb(_p)   readb((void __iomem *)_p)
#define ei_outb(_v,_p)   writeb(_v,(void __iomem *)_p)
#define ei_inb_p(_p)     readb((void __iomem *)_p)
#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)

#define NET_DEBUG  0
#define DEBUG_INIT 2

#define DRV_NAME    "etherh"
#define DRV_VERSION "1.11"

static char version[] __initdata =
    "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";

#include "lib8390.c"

static unsigned int net_debug = NET_DEBUG;

struct etherh_priv {
    void __iomem    *ioc_fast;
    void __iomem    *memc;
    void __iomem    *dma_base;
    unsigned int    id;
    void __iomem    *ctrl_port;
    unsigned char   ctrl;
    u32     supported;
};

struct etherh_data {
    unsigned long   ns8390_offset;
    unsigned long   dataport_offset;
    unsigned long   ctrlport_offset;
    int     ctrl_ioc;
    const char  name[16];
    u32     supported;
    unsigned char   tx_start_page;
    unsigned char   stop_page;
};

MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("EtherH/EtherM driver");
MODULE_LICENSE("GPL");

#define ETHERH500_DATAPORT  0x800   /* MEMC */
#define ETHERH500_NS8390    0x000   /* MEMC */
#define ETHERH500_CTRLPORT  0x800   /* IOC  */

#define ETHERH600_DATAPORT  0x040   /* MEMC */
#define ETHERH600_NS8390    0x800   /* MEMC */
#define ETHERH600_CTRLPORT  0x200   /* MEMC */

#define ETHERH_CP_IE        1
#define ETHERH_CP_IF        2
#define ETHERH_CP_HEARTBEAT 2

#define ETHERH_TX_START_PAGE    1
#define ETHERH_STOP_PAGE    127

/*
 * These came from CK/TEW
 */
#define ETHERM_DATAPORT     0x200   /* MEMC */
#define ETHERM_NS8390       0x800   /* MEMC */
#define ETHERM_CTRLPORT     0x23c   /* MEMC */

#define ETHERM_TX_START_PAGE    64
#define ETHERM_STOP_PAGE    127

/* ------------------------------------------------------------------------ */

#define etherh_priv(dev) \
 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))

static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
{
    unsigned char ctrl = eh->ctrl | mask;
    eh->ctrl = ctrl;
    writeb(ctrl, eh->ctrl_port);
}

static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
{
    unsigned char ctrl = eh->ctrl & ~mask;
    eh->ctrl = ctrl;
    writeb(ctrl, eh->ctrl_port);
}

static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
{
    return readb(eh->ctrl_port);
}




static void etherh_irq_enable(ecard_t *ec, int irqnr)
{
    struct etherh_priv *eh = ec->irq_data;

    etherh_set_ctrl(eh, ETHERH_CP_IE);
}

static void etherh_irq_disable(ecard_t *ec, int irqnr)
{
    struct etherh_priv *eh = ec->irq_data;

    etherh_clr_ctrl(eh, ETHERH_CP_IE);
}

static expansioncard_ops_t etherh_ops = {
    .irqenable  = etherh_irq_enable,
    .irqdisable = etherh_irq_disable,
};




static void
etherh_setif(struct net_device *dev)
{
    struct ei_device *ei_local = netdev_priv(dev);
    unsigned long flags;
    void __iomem *addr;

    local_irq_save(flags);

    /* set the interface type */
    switch (etherh_priv(dev)->id) {
    case PROD_I3_ETHERLAN600:
    case PROD_I3_ETHERLAN600A:
        addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;

        switch (dev->if_port) {
        case IF_PORT_10BASE2:
            writeb((readb(addr) & 0xf8) | 1, addr);
            break;
        case IF_PORT_10BASET:
            writeb((readb(addr) & 0xf8), addr);
            break;
        }
        break;

    case PROD_I3_ETHERLAN500:
        switch (dev->if_port) {
        case IF_PORT_10BASE2:
            etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
            break;

        case IF_PORT_10BASET:
            etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
            break;
        }
        break;

    default:
        break;
    }

    local_irq_restore(flags);
}

static int
etherh_getifstat(struct net_device *dev)
{
    struct ei_device *ei_local = netdev_priv(dev);
    void __iomem *addr;
    int stat = 0;

    switch (etherh_priv(dev)->id) {
    case PROD_I3_ETHERLAN600:
    case PROD_I3_ETHERLAN600A:
        addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
        switch (dev->if_port) {
        case IF_PORT_10BASE2:
            stat = 1;
            break;
        case IF_PORT_10BASET:
            stat = readb(addr) & 4;
            break;
        }
        break;

    case PROD_I3_ETHERLAN500:
        switch (dev->if_port) {
        case IF_PORT_10BASE2:
            stat = 1;
            break;
        case IF_PORT_10BASET:
            stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
            break;
        }
        break;

    default:
        stat = 0;
        break;
    }

    return stat != 0;
}

/*
 * Configure the interface.  Note that we ignore the other
 * parts of ifmap, since its mostly meaningless for this driver.
 */
static int etherh_set_config(struct net_device *dev, struct ifmap *map)
{
    switch (map->port) {
    case IF_PORT_10BASE2:
    case IF_PORT_10BASET:
        /*
         * If the user explicitly sets the interface
         * media type, turn off automedia detection.
         */
        dev->flags &= ~IFF_AUTOMEDIA;
        dev->if_port = map->port;
        break;

    default:
        return -EINVAL;
    }

    etherh_setif(dev);

    return 0;
}

/*
 * Reset the 8390 (hard reset).  Note that we can't actually do this.
 */
static void
etherh_reset(struct net_device *dev)
{
    struct ei_device *ei_local = netdev_priv(dev);
    void __iomem *addr = (void __iomem *)dev->base_addr;

    writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);

    /*
     * See if we need to change the interface type.
     * Note that we use 'interface_num' as a flag
     * to indicate that we need to change the media.
     */
    if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
        ei_local->interface_num = 0;

        if (dev->if_port == IF_PORT_10BASET)
            dev->if_port = IF_PORT_10BASE2;
        else
            dev->if_port = IF_PORT_10BASET;

        etherh_setif(dev);
    }
}

/*
 * Write a block of data out to the 8390
 */
static void
etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
{
    struct ei_device *ei_local = netdev_priv(dev);
    unsigned long dma_start;
    void __iomem *dma_base, *addr;

    if (ei_local->dmaing) {
        printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
            " DMAstat %d irqlock %d\n", dev->name,
            ei_local->dmaing, ei_local->irqlock);
        return;
    }

    /*
     * Make sure we have a round number of bytes if we're in word mode.
     */
    if (count & 1 && ei_local->word16)
        count++;

    ei_local->dmaing = 1;

    addr = (void __iomem *)dev->base_addr;
    dma_base = etherh_priv(dev)->dma_base;

    count = (count + 1) & ~1;
    writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);

    writeb (0x42, addr + EN0_RCNTLO);
    writeb (0x00, addr + EN0_RCNTHI);
    writeb (0x42, addr + EN0_RSARLO);
    writeb (0x00, addr + EN0_RSARHI);
    writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

    udelay (1);

    writeb (ENISR_RDC, addr + EN0_ISR);
    writeb (count, addr + EN0_RCNTLO);
    writeb (count >> 8, addr + EN0_RCNTHI);
    writeb (0, addr + EN0_RSARLO);
    writeb (start_page, addr + EN0_RSARHI);
    writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);

    if (ei_local->word16)
        writesw (dma_base, buf, count >> 1);
    else
        writesb (dma_base, buf, count);

    dma_start = jiffies;

    while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
        if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
            printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
                dev->name);
            etherh_reset (dev);
            __NS8390_init (dev, 1);
            break;
        }

    writeb (ENISR_RDC, addr + EN0_ISR);
    ei_local->dmaing = 0;
}

/*
 * Read a block of data from the 8390
 */
static void
etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
{
    struct ei_device *ei_local = netdev_priv(dev);
    unsigned char *buf;
    void __iomem *dma_base, *addr;

    if (ei_local->dmaing) {
        printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
            " DMAstat %d irqlock %d\n", dev->name,
            ei_local->dmaing, ei_local->irqlock);
        return;
    }

    ei_local->dmaing = 1;

    addr = (void __iomem *)dev->base_addr;
    dma_base = etherh_priv(dev)->dma_base;

    buf = skb->data;
    writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
    writeb (count, addr + EN0_RCNTLO);
    writeb (count >> 8, addr + EN0_RCNTHI);
    writeb (ring_offset, addr + EN0_RSARLO);
    writeb (ring_offset >> 8, addr + EN0_RSARHI);
    writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

    if (ei_local->word16) {
        readsw (dma_base, buf, count >> 1);
        if (count & 1)
            buf[count - 1] = readb (dma_base);
    } else
        readsb (dma_base, buf, count);

    writeb (ENISR_RDC, addr + EN0_ISR);
    ei_local->dmaing = 0;
}

/*
 * Read a header from the 8390
 */
static void
etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
{
    struct ei_device *ei_local = netdev_priv(dev);
    void __iomem *dma_base, *addr;

    if (ei_local->dmaing) {
        printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: "
            " DMAstat %d irqlock %d\n", dev->name,
            ei_local->dmaing, ei_local->irqlock);
        return;
    }

    ei_local->dmaing = 1;

    addr = (void __iomem *)dev->base_addr;
    dma_base = etherh_priv(dev)->dma_base;

    writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
    writeb (sizeof (*hdr), addr + EN0_RCNTLO);
    writeb (0, addr + EN0_RCNTHI);
    writeb (0, addr + EN0_RSARLO);
    writeb (ring_page, addr + EN0_RSARHI);
    writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

    if (ei_local->word16)
        readsw (dma_base, hdr, sizeof (*hdr) >> 1);
    else
        readsb (dma_base, hdr, sizeof (*hdr));

    writeb (ENISR_RDC, addr + EN0_ISR);
    ei_local->dmaing = 0;
}

/*
 * Open/initialize the board.  This is called (in the current kernel)
 * sometime after booting when the 'ifconfig' program is run.
 *
 * This routine should set everything up anew at each open, even
 * registers that "should" only need to be set once at boot, so that
 * there is non-reboot way to recover if something goes wrong.
 */
static int
etherh_open(struct net_device *dev)
{
    struct ei_device *ei_local = netdev_priv(dev);

    if (!is_valid_ether_addr(dev->dev_addr)) {
        printk(KERN_WARNING "%s: invalid ethernet MAC address\n",
            dev->name);
        return -EINVAL;
    }

    if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
        return -EAGAIN;

    /*
     * Make sure that we aren't going to change the
     * media type on the next reset - we are about to
     * do automedia manually now.
     */
    ei_local->interface_num = 0;

    /*
     * If we are doing automedia detection, do it now.
     * This is more reliable than the 8390's detection.
     */
    if (dev->flags & IFF_AUTOMEDIA) {
        dev->if_port = IF_PORT_10BASET;
        etherh_setif(dev);
        mdelay(1);
        if (!etherh_getifstat(dev)) {
            dev->if_port = IF_PORT_10BASE2;
            etherh_setif(dev);
        }
    } else
        etherh_setif(dev);

    etherh_reset(dev);
    __ei_open(dev);

    return 0;
}

/*
 * The inverse routine to etherh_open().
 */
static int
etherh_close(struct net_device *dev)
{
    __ei_close (dev);
    free_irq (dev->irq, dev);
    return 0;
}

/*
 * Initialisation
 */

static void __init etherh_banner(void)
{
    static int version_printed;

    if (net_debug && version_printed++ == 0)
        printk(KERN_INFO "%s", version);
}

/*
 * Read the ethernet address string from the on board rom.
 * This is an ascii string...
 */
static int __devinit etherh_addr(char *addr, struct expansion_card *ec)
{
    struct in_chunk_dir cd;
    char *s;
    
    if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
        printk(KERN_ERR "%s: unable to read podule description string\n",
               dev_name(&ec->dev));
        goto no_addr;
    }

    s = strchr(cd.d.string, '(');
    if (s) {
        int i;

        for (i = 0; i < 6; i++) {
            addr[i] = simple_strtoul(s + 1, &s, 0x10);
            if (*s != (i == 5? ')' : ':'))
                break;
        }

        if (i == 6)
            return 0;
    }

    printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
           dev_name(&ec->dev), cd.d.string);

 no_addr:
    return -ENODEV;
}

/*
 * Create an ethernet address from the system serial number.
 */
static int __init etherm_addr(char *addr)
{
    unsigned int serial;

    if (system_serial_low == 0 && system_serial_high == 0)
        return -ENODEV;

    serial = system_serial_low | system_serial_high;

    addr[0] = 0;
    addr[1] = 0;
    addr[2] = 0xa4;
    addr[3] = 0x10 + (serial >> 24);
    addr[4] = serial >> 16;
    addr[5] = serial >> 8;
    return 0;
}

static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
    strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
    strlcpy(info->version, DRV_VERSION, sizeof(info->version));
    strlcpy(info->bus_info, dev_name(dev->dev.parent),
        sizeof(info->bus_info));
}

static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
    cmd->supported  = etherh_priv(dev)->supported;
    ethtool_cmd_speed_set(cmd, SPEED_10);
    cmd->duplex = DUPLEX_HALF;
    cmd->port   = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
    cmd->autoneg    = (dev->flags & IFF_AUTOMEDIA ?
               AUTONEG_ENABLE : AUTONEG_DISABLE);
    return 0;
}

static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
    switch (cmd->autoneg) {
    case AUTONEG_ENABLE:
        dev->flags |= IFF_AUTOMEDIA;
        break;

    case AUTONEG_DISABLE:
        switch (cmd->port) {
        case PORT_TP:
            dev->if_port = IF_PORT_10BASET;
            break;

        case PORT_BNC:
            dev->if_port = IF_PORT_10BASE2;
            break;

        default:
            return -EINVAL;
        }
        dev->flags &= ~IFF_AUTOMEDIA;
        break;

    default:
        return -EINVAL;
    }

    etherh_setif(dev);

    return 0;
}

static const struct ethtool_ops etherh_ethtool_ops = {
    .get_settings   = etherh_get_settings,
    .set_settings   = etherh_set_settings,
    .get_drvinfo    = etherh_get_drvinfo,
    .get_ts_info    = ethtool_op_get_ts_info,
};

static const struct net_device_ops etherh_netdev_ops = {
    .ndo_open       = etherh_open,
    .ndo_stop       = etherh_close,
    .ndo_set_config     = etherh_set_config,
    .ndo_start_xmit     = __ei_start_xmit,
    .ndo_tx_timeout     = __ei_tx_timeout,
    .ndo_get_stats      = __ei_get_stats,
    .ndo_set_rx_mode    = __ei_set_multicast_list,
    .ndo_validate_addr  = eth_validate_addr,
    .ndo_set_mac_address    = eth_mac_addr,
    .ndo_change_mtu     = eth_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER
    .ndo_poll_controller    = __ei_poll,
#endif
};

static u32 etherh_regoffsets[16];
static u32 etherm_regoffsets[16];

static int __devinit
etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
{
    const struct etherh_data *data = id->data;
    struct ei_device *ei_local;
    struct net_device *dev;
    struct etherh_priv *eh;
    int ret;

    etherh_banner();

    ret = ecard_request_resources(ec);
    if (ret)
        goto out;

    dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
    if (!dev) {
        ret = -ENOMEM;
        goto release;
    }

    SET_NETDEV_DEV(dev, &ec->dev);

    dev->netdev_ops     = &etherh_netdev_ops;
    dev->irq        = ec->irq;
    dev->ethtool_ops    = &etherh_ethtool_ops;

    if (data->supported & SUPPORTED_Autoneg)
        dev->flags |= IFF_AUTOMEDIA;
    if (data->supported & SUPPORTED_TP) {
        dev->flags |= IFF_PORTSEL;
        dev->if_port = IF_PORT_10BASET;
    } else if (data->supported & SUPPORTED_BNC) {
        dev->flags |= IFF_PORTSEL;
        dev->if_port = IF_PORT_10BASE2;
    } else
        dev->if_port = IF_PORT_UNKNOWN;

    eh = etherh_priv(dev);
    eh->supported       = data->supported;
    eh->ctrl        = 0;
    eh->id          = ec->cid.product;
    eh->memc        = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
    if (!eh->memc) {
        ret = -ENOMEM;
        goto free;
    }

    eh->ctrl_port = eh->memc;
    if (data->ctrl_ioc) {
        eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
        if (!eh->ioc_fast) {
            ret = -ENOMEM;
            goto free;
        }
        eh->ctrl_port = eh->ioc_fast;
    }

    dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
    eh->dma_base = eh->memc + data->dataport_offset;
    eh->ctrl_port += data->ctrlport_offset;

    /*
     * IRQ and control port handling - only for non-NIC slot cards.
     */
    if (ec->slot_no != 8) {
        ecard_setirq(ec, &etherh_ops, eh);
    } else {
        /*
         * If we're in the NIC slot, make sure the IRQ is enabled
         */
        etherh_set_ctrl(eh, ETHERH_CP_IE);
    }

    ei_local = netdev_priv(dev);
    spin_lock_init(&ei_local->page_lock);

    if (ec->cid.product == PROD_ANT_ETHERM) {
        etherm_addr(dev->dev_addr);
        ei_local->reg_offset = etherm_regoffsets;
    } else {
        etherh_addr(dev->dev_addr, ec);
        ei_local->reg_offset = etherh_regoffsets;
    }

    ei_local->name          = dev->name;
    ei_local->word16        = 1;
    ei_local->tx_start_page = data->tx_start_page;
    ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
    ei_local->stop_page     = data->stop_page;
    ei_local->reset_8390    = etherh_reset;
    ei_local->block_input   = etherh_block_input;
    ei_local->block_output  = etherh_block_output;
    ei_local->get_8390_hdr  = etherh_get_header;
    ei_local->interface_num = 0;

    etherh_reset(dev);
    __NS8390_init(dev, 0);

    ret = register_netdev(dev);
    if (ret)
        goto free;

    printk(KERN_INFO "%s: %s in slot %d, %pM\n",
        dev->name, data->name, ec->slot_no, dev->dev_addr);

    ecard_set_drvdata(ec, dev);

    return 0;

 free:
    free_netdev(dev);
 release:
    ecard_release_resources(ec);
 out:
    return ret;
}

static void __devexit etherh_remove(struct expansion_card *ec)
{
    struct net_device *dev = ecard_get_drvdata(ec);

    ecard_set_drvdata(ec, NULL);

    unregister_netdev(dev);

    free_netdev(dev);

    ecard_release_resources(ec);
}

static struct etherh_data etherm_data = {
    .ns8390_offset      = ETHERM_NS8390,
    .dataport_offset    = ETHERM_NS8390 + ETHERM_DATAPORT,
    .ctrlport_offset    = ETHERM_NS8390 + ETHERM_CTRLPORT,
    .name           = "ANT EtherM",
    .supported      = SUPPORTED_10baseT_Half,
    .tx_start_page      = ETHERM_TX_START_PAGE,
    .stop_page      = ETHERM_STOP_PAGE,
};

static struct etherh_data etherlan500_data = {
    .ns8390_offset      = ETHERH500_NS8390,
    .dataport_offset    = ETHERH500_NS8390 + ETHERH500_DATAPORT,
    .ctrlport_offset    = ETHERH500_CTRLPORT,
    .ctrl_ioc       = 1,
    .name           = "i3 EtherH 500",
    .supported      = SUPPORTED_10baseT_Half,
    .tx_start_page      = ETHERH_TX_START_PAGE,
    .stop_page      = ETHERH_STOP_PAGE,
};

static struct etherh_data etherlan600_data = {
    .ns8390_offset      = ETHERH600_NS8390,
    .dataport_offset    = ETHERH600_NS8390 + ETHERH600_DATAPORT,
    .ctrlport_offset    = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
    .name           = "i3 EtherH 600",
    .supported      = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
    .tx_start_page      = ETHERH_TX_START_PAGE,
    .stop_page      = ETHERH_STOP_PAGE,
};

static struct etherh_data etherlan600a_data = {
    .ns8390_offset      = ETHERH600_NS8390,
    .dataport_offset    = ETHERH600_NS8390 + ETHERH600_DATAPORT,
    .ctrlport_offset    = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
    .name           = "i3 EtherH 600A",
    .supported      = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
    .tx_start_page      = ETHERH_TX_START_PAGE,
    .stop_page      = ETHERH_STOP_PAGE,
};

static const struct ecard_id etherh_ids[] = {
    { MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
    { MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
    { MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
    { MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
    { 0xffff,   0xffff }
};

static struct ecard_driver etherh_driver = {
    .probe      = etherh_probe,
    .remove     = __devexit_p(etherh_remove),
    .id_table   = etherh_ids,
    .drv = {
        .name   = DRV_NAME,
    },
};

static int __init etherh_init(void)
{
    int i;

    for (i = 0; i < 16; i++) {
        etherh_regoffsets[i] = i << 2;
        etherm_regoffsets[i] = i << 5;
    }

    return ecard_register_driver(&etherh_driver);
}

static void __exit etherh_exit(void)
{
    ecard_remove_driver(&etherh_driver);
}

module_init(etherh_init);
module_exit(etherh_exit);