linux/drivers/net/ethernet/8390/etherh.c
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   1/*
   2 *  linux/drivers/acorn/net/etherh.c
   3 *
   4 *  Copyright (C) 2000-2002 Russell King
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10 * NS8390 I-cubed EtherH and ANT EtherM specific driver
  11 * Thanks to I-Cubed for information on their cards.
  12 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
  13 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
  14 * EtherM integration re-engineered by Russell King.
  15 *
  16 * Changelog:
  17 *  08-12-1996  RMK     1.00    Created
  18 *              RMK     1.03    Added support for EtherLan500 cards
  19 *  23-11-1997  RMK     1.04    Added media autodetection
  20 *  16-04-1998  RMK     1.05    Improved media autodetection
  21 *  10-02-2000  RMK     1.06    Updated for 2.3.43
  22 *  13-05-2000  RMK     1.07    Updated for 2.3.99-pre8
  23 *  12-10-1999  CK/TEW          EtherM driver first release
  24 *  21-12-2000  TTC             EtherH/EtherM integration
  25 *  25-12-2000  RMK     1.08    Clean integration of EtherM into this driver.
  26 *  03-01-2002  RMK     1.09    Always enable IRQs if we're in the nic slot.
  27 */
  28
  29#include <linux/module.h>
  30#include <linux/kernel.h>
  31#include <linux/types.h>
  32#include <linux/fcntl.h>
  33#include <linux/interrupt.h>
  34#include <linux/ioport.h>
  35#include <linux/in.h>
  36#include <linux/string.h>
  37#include <linux/errno.h>
  38#include <linux/netdevice.h>
  39#include <linux/etherdevice.h>
  40#include <linux/ethtool.h>
  41#include <linux/skbuff.h>
  42#include <linux/delay.h>
  43#include <linux/device.h>
  44#include <linux/init.h>
  45#include <linux/bitops.h>
  46#include <linux/jiffies.h>
  47
  48#include <asm/ecard.h>
  49#include <asm/io.h>
  50#include <asm/system_info.h>
  51
  52#define EI_SHIFT(x)     (ei_local->reg_offset[x])
  53
  54#define ei_inb(_p)       readb((void __iomem *)_p)
  55#define ei_outb(_v,_p)   writeb(_v,(void __iomem *)_p)
  56#define ei_inb_p(_p)     readb((void __iomem *)_p)
  57#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
  58
  59#define DRV_NAME        "etherh"
  60#define DRV_VERSION     "1.11"
  61
  62static char version[] =
  63        "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
  64
  65#include "lib8390.c"
  66
  67struct etherh_priv {
  68        void __iomem    *ioc_fast;
  69        void __iomem    *memc;
  70        void __iomem    *dma_base;
  71        unsigned int    id;
  72        void __iomem    *ctrl_port;
  73        unsigned char   ctrl;
  74        u32             supported;
  75};
  76
  77struct etherh_data {
  78        unsigned long   ns8390_offset;
  79        unsigned long   dataport_offset;
  80        unsigned long   ctrlport_offset;
  81        int             ctrl_ioc;
  82        const char      name[16];
  83        u32             supported;
  84        unsigned char   tx_start_page;
  85        unsigned char   stop_page;
  86};
  87
  88MODULE_AUTHOR("Russell King");
  89MODULE_DESCRIPTION("EtherH/EtherM driver");
  90MODULE_LICENSE("GPL");
  91
  92#define ETHERH500_DATAPORT      0x800   /* MEMC */
  93#define ETHERH500_NS8390        0x000   /* MEMC */
  94#define ETHERH500_CTRLPORT      0x800   /* IOC  */
  95
  96#define ETHERH600_DATAPORT      0x040   /* MEMC */
  97#define ETHERH600_NS8390        0x800   /* MEMC */
  98#define ETHERH600_CTRLPORT      0x200   /* MEMC */
  99
 100#define ETHERH_CP_IE            1
 101#define ETHERH_CP_IF            2
 102#define ETHERH_CP_HEARTBEAT     2
 103
 104#define ETHERH_TX_START_PAGE    1
 105#define ETHERH_STOP_PAGE        127
 106
 107/*
 108 * These came from CK/TEW
 109 */
 110#define ETHERM_DATAPORT         0x200   /* MEMC */
 111#define ETHERM_NS8390           0x800   /* MEMC */
 112#define ETHERM_CTRLPORT         0x23c   /* MEMC */
 113
 114#define ETHERM_TX_START_PAGE    64
 115#define ETHERM_STOP_PAGE        127
 116
 117/* ------------------------------------------------------------------------ */
 118
 119#define etherh_priv(dev) \
 120 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
 121
 122static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
 123{
 124        unsigned char ctrl = eh->ctrl | mask;
 125        eh->ctrl = ctrl;
 126        writeb(ctrl, eh->ctrl_port);
 127}
 128
 129static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
 130{
 131        unsigned char ctrl = eh->ctrl & ~mask;
 132        eh->ctrl = ctrl;
 133        writeb(ctrl, eh->ctrl_port);
 134}
 135
 136static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
 137{
 138        return readb(eh->ctrl_port);
 139}
 140
 141
 142
 143
 144static void etherh_irq_enable(ecard_t *ec, int irqnr)
 145{
 146        struct etherh_priv *eh = ec->irq_data;
 147
 148        etherh_set_ctrl(eh, ETHERH_CP_IE);
 149}
 150
 151static void etherh_irq_disable(ecard_t *ec, int irqnr)
 152{
 153        struct etherh_priv *eh = ec->irq_data;
 154
 155        etherh_clr_ctrl(eh, ETHERH_CP_IE);
 156}
 157
 158static expansioncard_ops_t etherh_ops = {
 159        .irqenable      = etherh_irq_enable,
 160        .irqdisable     = etherh_irq_disable,
 161};
 162
 163
 164
 165
 166static void
 167etherh_setif(struct net_device *dev)
 168{
 169        struct ei_device *ei_local = netdev_priv(dev);
 170        unsigned long flags;
 171        void __iomem *addr;
 172
 173        local_irq_save(flags);
 174
 175        /* set the interface type */
 176        switch (etherh_priv(dev)->id) {
 177        case PROD_I3_ETHERLAN600:
 178        case PROD_I3_ETHERLAN600A:
 179                addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
 180
 181                switch (dev->if_port) {
 182                case IF_PORT_10BASE2:
 183                        writeb((readb(addr) & 0xf8) | 1, addr);
 184                        break;
 185                case IF_PORT_10BASET:
 186                        writeb((readb(addr) & 0xf8), addr);
 187                        break;
 188                }
 189                break;
 190
 191        case PROD_I3_ETHERLAN500:
 192                switch (dev->if_port) {
 193                case IF_PORT_10BASE2:
 194                        etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 195                        break;
 196
 197                case IF_PORT_10BASET:
 198                        etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 199                        break;
 200                }
 201                break;
 202
 203        default:
 204                break;
 205        }
 206
 207        local_irq_restore(flags);
 208}
 209
 210static int
 211etherh_getifstat(struct net_device *dev)
 212{
 213        struct ei_device *ei_local = netdev_priv(dev);
 214        void __iomem *addr;
 215        int stat = 0;
 216
 217        switch (etherh_priv(dev)->id) {
 218        case PROD_I3_ETHERLAN600:
 219        case PROD_I3_ETHERLAN600A:
 220                addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
 221                switch (dev->if_port) {
 222                case IF_PORT_10BASE2:
 223                        stat = 1;
 224                        break;
 225                case IF_PORT_10BASET:
 226                        stat = readb(addr) & 4;
 227                        break;
 228                }
 229                break;
 230
 231        case PROD_I3_ETHERLAN500:
 232                switch (dev->if_port) {
 233                case IF_PORT_10BASE2:
 234                        stat = 1;
 235                        break;
 236                case IF_PORT_10BASET:
 237                        stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
 238                        break;
 239                }
 240                break;
 241
 242        default:
 243                stat = 0;
 244                break;
 245        }
 246
 247        return stat != 0;
 248}
 249
 250/*
 251 * Configure the interface.  Note that we ignore the other
 252 * parts of ifmap, since its mostly meaningless for this driver.
 253 */
 254static int etherh_set_config(struct net_device *dev, struct ifmap *map)
 255{
 256        switch (map->port) {
 257        case IF_PORT_10BASE2:
 258        case IF_PORT_10BASET:
 259                /*
 260                 * If the user explicitly sets the interface
 261                 * media type, turn off automedia detection.
 262                 */
 263                dev->flags &= ~IFF_AUTOMEDIA;
 264                dev->if_port = map->port;
 265                break;
 266
 267        default:
 268                return -EINVAL;
 269        }
 270
 271        etherh_setif(dev);
 272
 273        return 0;
 274}
 275
 276/*
 277 * Reset the 8390 (hard reset).  Note that we can't actually do this.
 278 */
 279static void
 280etherh_reset(struct net_device *dev)
 281{
 282        struct ei_device *ei_local = netdev_priv(dev);
 283        void __iomem *addr = (void __iomem *)dev->base_addr;
 284
 285        writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
 286
 287        /*
 288         * See if we need to change the interface type.
 289         * Note that we use 'interface_num' as a flag
 290         * to indicate that we need to change the media.
 291         */
 292        if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
 293                ei_local->interface_num = 0;
 294
 295                if (dev->if_port == IF_PORT_10BASET)
 296                        dev->if_port = IF_PORT_10BASE2;
 297                else
 298                        dev->if_port = IF_PORT_10BASET;
 299
 300                etherh_setif(dev);
 301        }
 302}
 303
 304/*
 305 * Write a block of data out to the 8390
 306 */
 307static void
 308etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
 309{
 310        struct ei_device *ei_local = netdev_priv(dev);
 311        unsigned long dma_start;
 312        void __iomem *dma_base, *addr;
 313
 314        if (ei_local->dmaing) {
 315                netdev_err(dev, "DMAing conflict in etherh_block_input: "
 316                           " DMAstat %d irqlock %d\n",
 317                           ei_local->dmaing, ei_local->irqlock);
 318                return;
 319        }
 320
 321        /*
 322         * Make sure we have a round number of bytes if we're in word mode.
 323         */
 324        if (count & 1 && ei_local->word16)
 325                count++;
 326
 327        ei_local->dmaing = 1;
 328
 329        addr = (void __iomem *)dev->base_addr;
 330        dma_base = etherh_priv(dev)->dma_base;
 331
 332        count = (count + 1) & ~1;
 333        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 334
 335        writeb (0x42, addr + EN0_RCNTLO);
 336        writeb (0x00, addr + EN0_RCNTHI);
 337        writeb (0x42, addr + EN0_RSARLO);
 338        writeb (0x00, addr + EN0_RSARHI);
 339        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 340
 341        udelay (1);
 342
 343        writeb (ENISR_RDC, addr + EN0_ISR);
 344        writeb (count, addr + EN0_RCNTLO);
 345        writeb (count >> 8, addr + EN0_RCNTHI);
 346        writeb (0, addr + EN0_RSARLO);
 347        writeb (start_page, addr + EN0_RSARHI);
 348        writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
 349
 350        if (ei_local->word16)
 351                writesw (dma_base, buf, count >> 1);
 352        else
 353                writesb (dma_base, buf, count);
 354
 355        dma_start = jiffies;
 356
 357        while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
 358                if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
 359                        netdev_warn(dev, "timeout waiting for TX RDC\n");
 360                        etherh_reset (dev);
 361                        __NS8390_init (dev, 1);
 362                        break;
 363                }
 364
 365        writeb (ENISR_RDC, addr + EN0_ISR);
 366        ei_local->dmaing = 0;
 367}
 368
 369/*
 370 * Read a block of data from the 8390
 371 */
 372static void
 373etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
 374{
 375        struct ei_device *ei_local = netdev_priv(dev);
 376        unsigned char *buf;
 377        void __iomem *dma_base, *addr;
 378
 379        if (ei_local->dmaing) {
 380                netdev_err(dev, "DMAing conflict in etherh_block_input: "
 381                           " DMAstat %d irqlock %d\n",
 382                           ei_local->dmaing, ei_local->irqlock);
 383                return;
 384        }
 385
 386        ei_local->dmaing = 1;
 387
 388        addr = (void __iomem *)dev->base_addr;
 389        dma_base = etherh_priv(dev)->dma_base;
 390
 391        buf = skb->data;
 392        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 393        writeb (count, addr + EN0_RCNTLO);
 394        writeb (count >> 8, addr + EN0_RCNTHI);
 395        writeb (ring_offset, addr + EN0_RSARLO);
 396        writeb (ring_offset >> 8, addr + EN0_RSARHI);
 397        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 398
 399        if (ei_local->word16) {
 400                readsw (dma_base, buf, count >> 1);
 401                if (count & 1)
 402                        buf[count - 1] = readb (dma_base);
 403        } else
 404                readsb (dma_base, buf, count);
 405
 406        writeb (ENISR_RDC, addr + EN0_ISR);
 407        ei_local->dmaing = 0;
 408}
 409
 410/*
 411 * Read a header from the 8390
 412 */
 413static void
 414etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
 415{
 416        struct ei_device *ei_local = netdev_priv(dev);
 417        void __iomem *dma_base, *addr;
 418
 419        if (ei_local->dmaing) {
 420                netdev_err(dev, "DMAing conflict in etherh_get_header: "
 421                           " DMAstat %d irqlock %d\n",
 422                           ei_local->dmaing, ei_local->irqlock);
 423                return;
 424        }
 425
 426        ei_local->dmaing = 1;
 427
 428        addr = (void __iomem *)dev->base_addr;
 429        dma_base = etherh_priv(dev)->dma_base;
 430
 431        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 432        writeb (sizeof (*hdr), addr + EN0_RCNTLO);
 433        writeb (0, addr + EN0_RCNTHI);
 434        writeb (0, addr + EN0_RSARLO);
 435        writeb (ring_page, addr + EN0_RSARHI);
 436        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 437
 438        if (ei_local->word16)
 439                readsw (dma_base, hdr, sizeof (*hdr) >> 1);
 440        else
 441                readsb (dma_base, hdr, sizeof (*hdr));
 442
 443        writeb (ENISR_RDC, addr + EN0_ISR);
 444        ei_local->dmaing = 0;
 445}
 446
 447/*
 448 * Open/initialize the board.  This is called (in the current kernel)
 449 * sometime after booting when the 'ifconfig' program is run.
 450 *
 451 * This routine should set everything up anew at each open, even
 452 * registers that "should" only need to be set once at boot, so that
 453 * there is non-reboot way to recover if something goes wrong.
 454 */
 455static int
 456etherh_open(struct net_device *dev)
 457{
 458        struct ei_device *ei_local = netdev_priv(dev);
 459
 460        if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
 461                return -EAGAIN;
 462
 463        /*
 464         * Make sure that we aren't going to change the
 465         * media type on the next reset - we are about to
 466         * do automedia manually now.
 467         */
 468        ei_local->interface_num = 0;
 469
 470        /*
 471         * If we are doing automedia detection, do it now.
 472         * This is more reliable than the 8390's detection.
 473         */
 474        if (dev->flags & IFF_AUTOMEDIA) {
 475                dev->if_port = IF_PORT_10BASET;
 476                etherh_setif(dev);
 477                mdelay(1);
 478                if (!etherh_getifstat(dev)) {
 479                        dev->if_port = IF_PORT_10BASE2;
 480                        etherh_setif(dev);
 481                }
 482        } else
 483                etherh_setif(dev);
 484
 485        etherh_reset(dev);
 486        __ei_open(dev);
 487
 488        return 0;
 489}
 490
 491/*
 492 * The inverse routine to etherh_open().
 493 */
 494static int
 495etherh_close(struct net_device *dev)
 496{
 497        __ei_close (dev);
 498        free_irq (dev->irq, dev);
 499        return 0;
 500}
 501
 502/*
 503 * Read the ethernet address string from the on board rom.
 504 * This is an ascii string...
 505 */
 506static int etherh_addr(char *addr, struct expansion_card *ec)
 507{
 508        struct in_chunk_dir cd;
 509        char *s;
 510        
 511        if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
 512                printk(KERN_ERR "%s: unable to read module description string\n",
 513                       dev_name(&ec->dev));
 514                goto no_addr;
 515        }
 516
 517        s = strchr(cd.d.string, '(');
 518        if (s) {
 519                int i;
 520
 521                for (i = 0; i < 6; i++) {
 522                        addr[i] = simple_strtoul(s + 1, &s, 0x10);
 523                        if (*s != (i == 5? ')' : ':'))
 524                                break;
 525                }
 526
 527                if (i == 6)
 528                        return 0;
 529        }
 530
 531        printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
 532               dev_name(&ec->dev), cd.d.string);
 533
 534 no_addr:
 535        return -ENODEV;
 536}
 537
 538/*
 539 * Create an ethernet address from the system serial number.
 540 */
 541static int __init etherm_addr(char *addr)
 542{
 543        unsigned int serial;
 544
 545        if (system_serial_low == 0 && system_serial_high == 0)
 546                return -ENODEV;
 547
 548        serial = system_serial_low | system_serial_high;
 549
 550        addr[0] = 0;
 551        addr[1] = 0;
 552        addr[2] = 0xa4;
 553        addr[3] = 0x10 + (serial >> 24);
 554        addr[4] = serial >> 16;
 555        addr[5] = serial >> 8;
 556        return 0;
 557}
 558
 559static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 560{
 561        strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 562        strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 563        strlcpy(info->bus_info, dev_name(dev->dev.parent),
 564                sizeof(info->bus_info));
 565}
 566
 567static int etherh_get_link_ksettings(struct net_device *dev,
 568                                     struct ethtool_link_ksettings *cmd)
 569{
 570        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 571                                                etherh_priv(dev)->supported);
 572        cmd->base.speed = SPEED_10;
 573        cmd->base.duplex = DUPLEX_HALF;
 574        cmd->base.port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
 575        cmd->base.autoneg = (dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE :
 576                                                          AUTONEG_DISABLE);
 577        return 0;
 578}
 579
 580static int etherh_set_link_ksettings(struct net_device *dev,
 581                                     const struct ethtool_link_ksettings *cmd)
 582{
 583        switch (cmd->base.autoneg) {
 584        case AUTONEG_ENABLE:
 585                dev->flags |= IFF_AUTOMEDIA;
 586                break;
 587
 588        case AUTONEG_DISABLE:
 589                switch (cmd->base.port) {
 590                case PORT_TP:
 591                        dev->if_port = IF_PORT_10BASET;
 592                        break;
 593
 594                case PORT_BNC:
 595                        dev->if_port = IF_PORT_10BASE2;
 596                        break;
 597
 598                default:
 599                        return -EINVAL;
 600                }
 601                dev->flags &= ~IFF_AUTOMEDIA;
 602                break;
 603
 604        default:
 605                return -EINVAL;
 606        }
 607
 608        etherh_setif(dev);
 609
 610        return 0;
 611}
 612
 613static u32 etherh_get_msglevel(struct net_device *dev)
 614{
 615        struct ei_device *ei_local = netdev_priv(dev);
 616
 617        return ei_local->msg_enable;
 618}
 619
 620static void etherh_set_msglevel(struct net_device *dev, u32 v)
 621{
 622        struct ei_device *ei_local = netdev_priv(dev);
 623
 624        ei_local->msg_enable = v;
 625}
 626
 627static const struct ethtool_ops etherh_ethtool_ops = {
 628        .get_drvinfo            = etherh_get_drvinfo,
 629        .get_ts_info            = ethtool_op_get_ts_info,
 630        .get_msglevel           = etherh_get_msglevel,
 631        .set_msglevel           = etherh_set_msglevel,
 632        .get_link_ksettings     = etherh_get_link_ksettings,
 633        .set_link_ksettings     = etherh_set_link_ksettings,
 634};
 635
 636static const struct net_device_ops etherh_netdev_ops = {
 637        .ndo_open               = etherh_open,
 638        .ndo_stop               = etherh_close,
 639        .ndo_set_config         = etherh_set_config,
 640        .ndo_start_xmit         = __ei_start_xmit,
 641        .ndo_tx_timeout         = __ei_tx_timeout,
 642        .ndo_get_stats          = __ei_get_stats,
 643        .ndo_set_rx_mode        = __ei_set_multicast_list,
 644        .ndo_validate_addr      = eth_validate_addr,
 645        .ndo_set_mac_address    = eth_mac_addr,
 646#ifdef CONFIG_NET_POLL_CONTROLLER
 647        .ndo_poll_controller    = __ei_poll,
 648#endif
 649};
 650
 651static u32 etherh_regoffsets[16];
 652static u32 etherm_regoffsets[16];
 653
 654static int
 655etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
 656{
 657        const struct etherh_data *data = id->data;
 658        struct ei_device *ei_local;
 659        struct net_device *dev;
 660        struct etherh_priv *eh;
 661        int ret;
 662
 663        ret = ecard_request_resources(ec);
 664        if (ret)
 665                goto out;
 666
 667        dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
 668        if (!dev) {
 669                ret = -ENOMEM;
 670                goto release;
 671        }
 672
 673        SET_NETDEV_DEV(dev, &ec->dev);
 674
 675        dev->netdev_ops         = &etherh_netdev_ops;
 676        dev->irq                = ec->irq;
 677        dev->ethtool_ops        = &etherh_ethtool_ops;
 678
 679        if (data->supported & SUPPORTED_Autoneg)
 680                dev->flags |= IFF_AUTOMEDIA;
 681        if (data->supported & SUPPORTED_TP) {
 682                dev->flags |= IFF_PORTSEL;
 683                dev->if_port = IF_PORT_10BASET;
 684        } else if (data->supported & SUPPORTED_BNC) {
 685                dev->flags |= IFF_PORTSEL;
 686                dev->if_port = IF_PORT_10BASE2;
 687        } else
 688                dev->if_port = IF_PORT_UNKNOWN;
 689
 690        eh = etherh_priv(dev);
 691        eh->supported           = data->supported;
 692        eh->ctrl                = 0;
 693        eh->id                  = ec->cid.product;
 694        eh->memc                = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
 695        if (!eh->memc) {
 696                ret = -ENOMEM;
 697                goto free;
 698        }
 699
 700        eh->ctrl_port = eh->memc;
 701        if (data->ctrl_ioc) {
 702                eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
 703                if (!eh->ioc_fast) {
 704                        ret = -ENOMEM;
 705                        goto free;
 706                }
 707                eh->ctrl_port = eh->ioc_fast;
 708        }
 709
 710        dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
 711        eh->dma_base = eh->memc + data->dataport_offset;
 712        eh->ctrl_port += data->ctrlport_offset;
 713
 714        /*
 715         * IRQ and control port handling - only for non-NIC slot cards.
 716         */
 717        if (ec->slot_no != 8) {
 718                ecard_setirq(ec, &etherh_ops, eh);
 719        } else {
 720                /*
 721                 * If we're in the NIC slot, make sure the IRQ is enabled
 722                 */
 723                etherh_set_ctrl(eh, ETHERH_CP_IE);
 724        }
 725
 726        ei_local = netdev_priv(dev);
 727        spin_lock_init(&ei_local->page_lock);
 728
 729        if (ec->cid.product == PROD_ANT_ETHERM) {
 730                etherm_addr(dev->dev_addr);
 731                ei_local->reg_offset = etherm_regoffsets;
 732        } else {
 733                etherh_addr(dev->dev_addr, ec);
 734                ei_local->reg_offset = etherh_regoffsets;
 735        }
 736
 737        ei_local->name          = dev->name;
 738        ei_local->word16        = 1;
 739        ei_local->tx_start_page = data->tx_start_page;
 740        ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
 741        ei_local->stop_page     = data->stop_page;
 742        ei_local->reset_8390    = etherh_reset;
 743        ei_local->block_input   = etherh_block_input;
 744        ei_local->block_output  = etherh_block_output;
 745        ei_local->get_8390_hdr  = etherh_get_header;
 746        ei_local->interface_num = 0;
 747
 748        etherh_reset(dev);
 749        __NS8390_init(dev, 0);
 750
 751        ret = register_netdev(dev);
 752        if (ret)
 753                goto free;
 754
 755        netdev_info(dev, "%s in slot %d, %pM\n",
 756                    data->name, ec->slot_no, dev->dev_addr);
 757
 758        ecard_set_drvdata(ec, dev);
 759
 760        return 0;
 761
 762 free:
 763        free_netdev(dev);
 764 release:
 765        ecard_release_resources(ec);
 766 out:
 767        return ret;
 768}
 769
 770static void etherh_remove(struct expansion_card *ec)
 771{
 772        struct net_device *dev = ecard_get_drvdata(ec);
 773
 774        ecard_set_drvdata(ec, NULL);
 775
 776        unregister_netdev(dev);
 777
 778        free_netdev(dev);
 779
 780        ecard_release_resources(ec);
 781}
 782
 783static struct etherh_data etherm_data = {
 784        .ns8390_offset          = ETHERM_NS8390,
 785        .dataport_offset        = ETHERM_NS8390 + ETHERM_DATAPORT,
 786        .ctrlport_offset        = ETHERM_NS8390 + ETHERM_CTRLPORT,
 787        .name                   = "ANT EtherM",
 788        .supported              = SUPPORTED_10baseT_Half,
 789        .tx_start_page          = ETHERM_TX_START_PAGE,
 790        .stop_page              = ETHERM_STOP_PAGE,
 791};
 792
 793static struct etherh_data etherlan500_data = {
 794        .ns8390_offset          = ETHERH500_NS8390,
 795        .dataport_offset        = ETHERH500_NS8390 + ETHERH500_DATAPORT,
 796        .ctrlport_offset        = ETHERH500_CTRLPORT,
 797        .ctrl_ioc               = 1,
 798        .name                   = "i3 EtherH 500",
 799        .supported              = SUPPORTED_10baseT_Half,
 800        .tx_start_page          = ETHERH_TX_START_PAGE,
 801        .stop_page              = ETHERH_STOP_PAGE,
 802};
 803
 804static struct etherh_data etherlan600_data = {
 805        .ns8390_offset          = ETHERH600_NS8390,
 806        .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 807        .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 808        .name                   = "i3 EtherH 600",
 809        .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 810        .tx_start_page          = ETHERH_TX_START_PAGE,
 811        .stop_page              = ETHERH_STOP_PAGE,
 812};
 813
 814static struct etherh_data etherlan600a_data = {
 815        .ns8390_offset          = ETHERH600_NS8390,
 816        .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 817        .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 818        .name                   = "i3 EtherH 600A",
 819        .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 820        .tx_start_page          = ETHERH_TX_START_PAGE,
 821        .stop_page              = ETHERH_STOP_PAGE,
 822};
 823
 824static const struct ecard_id etherh_ids[] = {
 825        { MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
 826        { MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
 827        { MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
 828        { MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
 829        { 0xffff,   0xffff }
 830};
 831
 832static struct ecard_driver etherh_driver = {
 833        .probe          = etherh_probe,
 834        .remove         = etherh_remove,
 835        .id_table       = etherh_ids,
 836        .drv = {
 837                .name   = DRV_NAME,
 838        },
 839};
 840
 841static int __init etherh_init(void)
 842{
 843        int i;
 844
 845        for (i = 0; i < 16; i++) {
 846                etherh_regoffsets[i] = i << 2;
 847                etherm_regoffsets[i] = i << 5;
 848        }
 849
 850        return ecard_register_driver(&etherh_driver);
 851}
 852
 853static void __exit etherh_exit(void)
 854{
 855        ecard_remove_driver(&etherh_driver);
 856}
 857
 858module_init(etherh_init);
 859module_exit(etherh_exit);
 860