// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/drivers/acorn/net/etherh.c
 *
 *  Copyright (C) 2000-2002 Russell King
 *
 * 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 DRV_NAME        "etherh"
#define DRV_VERSION     "1.11"

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

#include "lib8390.c"

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;
                WRITE_ONCE(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) {
                netdev_err(dev, "DMAing conflict in etherh_block_input: "
                           " DMAstat %d irqlock %d\n",
                           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 */
                        netdev_warn(dev, "timeout waiting for TX RDC\n");
                        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) {
                netdev_err(dev, "DMAing conflict in etherh_block_input: "
                           " DMAstat %d irqlock %d\n",
                           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) {
                netdev_err(dev, "DMAing conflict in etherh_get_header: "
                           " DMAstat %d irqlock %d\n",
                           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 (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;
}

/*
 * Read the ethernet address string from the on board rom.
 * This is an ascii string...
 */
static int 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 module 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)
{
        strscpy(info->driver, DRV_NAME, sizeof(info->driver));
        strscpy(info->version, DRV_VERSION, sizeof(info->version));
        strscpy(info->bus_info, dev_name(dev->dev.parent),
                sizeof(info->bus_info));
}

static int etherh_get_link_ksettings(struct net_device *dev,
                                     struct ethtool_link_ksettings *cmd)
{
        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
                                                etherh_priv(dev)->supported);
        cmd->base.speed = SPEED_10;
        cmd->base.duplex = DUPLEX_HALF;
        cmd->base.port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
        cmd->base.autoneg = (dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE :
                                                          AUTONEG_DISABLE);
        return 0;
}

static int etherh_set_link_ksettings(struct net_device *dev,
                                     const struct ethtool_link_ksettings *cmd)
{
        switch (cmd->base.autoneg) {
        case AUTONEG_ENABLE:
                dev->flags |= IFF_AUTOMEDIA;
                break;

        case AUTONEG_DISABLE:
                switch (cmd->base.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 u32 etherh_get_msglevel(struct net_device *dev)
{
        struct ei_device *ei_local = netdev_priv(dev);

        return ei_local->msg_enable;
}

static void etherh_set_msglevel(struct net_device *dev, u32 v)
{
        struct ei_device *ei_local = netdev_priv(dev);

        ei_local->msg_enable = v;
}

static const struct ethtool_ops etherh_ethtool_ops = {
        .get_drvinfo            = etherh_get_drvinfo,
        .get_ts_info            = ethtool_op_get_ts_info,
        .get_msglevel           = etherh_get_msglevel,
        .set_msglevel           = etherh_set_msglevel,
        .get_link_ksettings     = etherh_get_link_ksettings,
        .set_link_ksettings     = etherh_set_link_ksettings,
};

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,
#ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = __ei_poll,
#endif
};

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

static int
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;
        u8 addr[ETH_ALEN];
        int ret;

        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(addr);
                ei_local->reg_offset = etherm_regoffsets;
        } else {
                etherh_addr(addr, ec);
                ei_local->reg_offset = etherh_regoffsets;
        }
        eth_hw_addr_set(dev, addr);

        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;

        netdev_info(dev, "%s in slot %d, %pM\n",
                    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 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         = 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);