linux/drivers/net/ethernet/8390/etherh.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  linux/drivers/acorn/net/etherh.c
   4 *
   5 *  Copyright (C) 2000-2002 Russell King
   6 *
   7 * NS8390 I-cubed EtherH and ANT EtherM specific driver
   8 * Thanks to I-Cubed for information on their cards.
   9 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
  10 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
  11 * EtherM integration re-engineered by Russell King.
  12 *
  13 * Changelog:
  14 *  08-12-1996  RMK     1.00    Created
  15 *              RMK     1.03    Added support for EtherLan500 cards
  16 *  23-11-1997  RMK     1.04    Added media autodetection
  17 *  16-04-1998  RMK     1.05    Improved media autodetection
  18 *  10-02-2000  RMK     1.06    Updated for 2.3.43
  19 *  13-05-2000  RMK     1.07    Updated for 2.3.99-pre8
  20 *  12-10-1999  CK/TEW          EtherM driver first release
  21 *  21-12-2000  TTC             EtherH/EtherM integration
  22 *  25-12-2000  RMK     1.08    Clean integration of EtherM into this driver.
  23 *  03-01-2002  RMK     1.09    Always enable IRQs if we're in the nic slot.
  24 */
  25
  26#include <linux/module.h>
  27#include <linux/kernel.h>
  28#include <linux/types.h>
  29#include <linux/fcntl.h>
  30#include <linux/interrupt.h>
  31#include <linux/ioport.h>
  32#include <linux/in.h>
  33#include <linux/string.h>
  34#include <linux/errno.h>
  35#include <linux/netdevice.h>
  36#include <linux/etherdevice.h>
  37#include <linux/ethtool.h>
  38#include <linux/skbuff.h>
  39#include <linux/delay.h>
  40#include <linux/device.h>
  41#include <linux/init.h>
  42#include <linux/bitops.h>
  43#include <linux/jiffies.h>
  44
  45#include <asm/ecard.h>
  46#include <asm/io.h>
  47#include <asm/system_info.h>
  48
  49#define EI_SHIFT(x)     (ei_local->reg_offset[x])
  50
  51#define ei_inb(_p)       readb((void __iomem *)_p)
  52#define ei_outb(_v,_p)   writeb(_v,(void __iomem *)_p)
  53#define ei_inb_p(_p)     readb((void __iomem *)_p)
  54#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
  55
  56#define DRV_NAME        "etherh"
  57#define DRV_VERSION     "1.11"
  58
  59static char version[] =
  60        "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
  61
  62#include "lib8390.c"
  63
  64struct etherh_priv {
  65        void __iomem    *ioc_fast;
  66        void __iomem    *memc;
  67        void __iomem    *dma_base;
  68        unsigned int    id;
  69        void __iomem    *ctrl_port;
  70        unsigned char   ctrl;
  71        u32             supported;
  72};
  73
  74struct etherh_data {
  75        unsigned long   ns8390_offset;
  76        unsigned long   dataport_offset;
  77        unsigned long   ctrlport_offset;
  78        int             ctrl_ioc;
  79        const char      name[16];
  80        u32             supported;
  81        unsigned char   tx_start_page;
  82        unsigned char   stop_page;
  83};
  84
  85MODULE_AUTHOR("Russell King");
  86MODULE_DESCRIPTION("EtherH/EtherM driver");
  87MODULE_LICENSE("GPL");
  88
  89#define ETHERH500_DATAPORT      0x800   /* MEMC */
  90#define ETHERH500_NS8390        0x000   /* MEMC */
  91#define ETHERH500_CTRLPORT      0x800   /* IOC  */
  92
  93#define ETHERH600_DATAPORT      0x040   /* MEMC */
  94#define ETHERH600_NS8390        0x800   /* MEMC */
  95#define ETHERH600_CTRLPORT      0x200   /* MEMC */
  96
  97#define ETHERH_CP_IE            1
  98#define ETHERH_CP_IF            2
  99#define ETHERH_CP_HEARTBEAT     2
 100
 101#define ETHERH_TX_START_PAGE    1
 102#define ETHERH_STOP_PAGE        127
 103
 104/*
 105 * These came from CK/TEW
 106 */
 107#define ETHERM_DATAPORT         0x200   /* MEMC */
 108#define ETHERM_NS8390           0x800   /* MEMC */
 109#define ETHERM_CTRLPORT         0x23c   /* MEMC */
 110
 111#define ETHERM_TX_START_PAGE    64
 112#define ETHERM_STOP_PAGE        127
 113
 114/* ------------------------------------------------------------------------ */
 115
 116#define etherh_priv(dev) \
 117 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
 118
 119static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
 120{
 121        unsigned char ctrl = eh->ctrl | mask;
 122        eh->ctrl = ctrl;
 123        writeb(ctrl, eh->ctrl_port);
 124}
 125
 126static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
 127{
 128        unsigned char ctrl = eh->ctrl & ~mask;
 129        eh->ctrl = ctrl;
 130        writeb(ctrl, eh->ctrl_port);
 131}
 132
 133static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
 134{
 135        return readb(eh->ctrl_port);
 136}
 137
 138
 139
 140
 141static void etherh_irq_enable(ecard_t *ec, int irqnr)
 142{
 143        struct etherh_priv *eh = ec->irq_data;
 144
 145        etherh_set_ctrl(eh, ETHERH_CP_IE);
 146}
 147
 148static void etherh_irq_disable(ecard_t *ec, int irqnr)
 149{
 150        struct etherh_priv *eh = ec->irq_data;
 151
 152        etherh_clr_ctrl(eh, ETHERH_CP_IE);
 153}
 154
 155static expansioncard_ops_t etherh_ops = {
 156        .irqenable      = etherh_irq_enable,
 157        .irqdisable     = etherh_irq_disable,
 158};
 159
 160
 161
 162
 163static void
 164etherh_setif(struct net_device *dev)
 165{
 166        struct ei_device *ei_local = netdev_priv(dev);
 167        unsigned long flags;
 168        void __iomem *addr;
 169
 170        local_irq_save(flags);
 171
 172        /* set the interface type */
 173        switch (etherh_priv(dev)->id) {
 174        case PROD_I3_ETHERLAN600:
 175        case PROD_I3_ETHERLAN600A:
 176                addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
 177
 178                switch (dev->if_port) {
 179                case IF_PORT_10BASE2:
 180                        writeb((readb(addr) & 0xf8) | 1, addr);
 181                        break;
 182                case IF_PORT_10BASET:
 183                        writeb((readb(addr) & 0xf8), addr);
 184                        break;
 185                }
 186                break;
 187
 188        case PROD_I3_ETHERLAN500:
 189                switch (dev->if_port) {
 190                case IF_PORT_10BASE2:
 191                        etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 192                        break;
 193
 194                case IF_PORT_10BASET:
 195                        etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 196                        break;
 197                }
 198                break;
 199
 200        default:
 201                break;
 202        }
 203
 204        local_irq_restore(flags);
 205}
 206
 207static int
 208etherh_getifstat(struct net_device *dev)
 209{
 210        struct ei_device *ei_local = netdev_priv(dev);
 211        void __iomem *addr;
 212        int stat = 0;
 213
 214        switch (etherh_priv(dev)->id) {
 215        case PROD_I3_ETHERLAN600:
 216        case PROD_I3_ETHERLAN600A:
 217                addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
 218                switch (dev->if_port) {
 219                case IF_PORT_10BASE2:
 220                        stat = 1;
 221                        break;
 222                case IF_PORT_10BASET:
 223                        stat = readb(addr) & 4;
 224                        break;
 225                }
 226                break;
 227
 228        case PROD_I3_ETHERLAN500:
 229                switch (dev->if_port) {
 230                case IF_PORT_10BASE2:
 231                        stat = 1;
 232                        break;
 233                case IF_PORT_10BASET:
 234                        stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
 235                        break;
 236                }
 237                break;
 238
 239        default:
 240                stat = 0;
 241                break;
 242        }
 243
 244        return stat != 0;
 245}
 246
 247/*
 248 * Configure the interface.  Note that we ignore the other
 249 * parts of ifmap, since its mostly meaningless for this driver.
 250 */
 251static int etherh_set_config(struct net_device *dev, struct ifmap *map)
 252{
 253        switch (map->port) {
 254        case IF_PORT_10BASE2:
 255        case IF_PORT_10BASET:
 256                /*
 257                 * If the user explicitly sets the interface
 258                 * media type, turn off automedia detection.
 259                 */
 260                dev->flags &= ~IFF_AUTOMEDIA;
 261                dev->if_port = map->port;
 262                break;
 263
 264        default:
 265                return -EINVAL;
 266        }
 267
 268        etherh_setif(dev);
 269
 270        return 0;
 271}
 272
 273/*
 274 * Reset the 8390 (hard reset).  Note that we can't actually do this.
 275 */
 276static void
 277etherh_reset(struct net_device *dev)
 278{
 279        struct ei_device *ei_local = netdev_priv(dev);
 280        void __iomem *addr = (void __iomem *)dev->base_addr;
 281
 282        writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
 283
 284        /*
 285         * See if we need to change the interface type.
 286         * Note that we use 'interface_num' as a flag
 287         * to indicate that we need to change the media.
 288         */
 289        if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
 290                ei_local->interface_num = 0;
 291
 292                if (dev->if_port == IF_PORT_10BASET)
 293                        dev->if_port = IF_PORT_10BASE2;
 294                else
 295                        dev->if_port = IF_PORT_10BASET;
 296
 297                etherh_setif(dev);
 298        }
 299}
 300
 301/*
 302 * Write a block of data out to the 8390
 303 */
 304static void
 305etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
 306{
 307        struct ei_device *ei_local = netdev_priv(dev);
 308        unsigned long dma_start;
 309        void __iomem *dma_base, *addr;
 310
 311        if (ei_local->dmaing) {
 312                netdev_err(dev, "DMAing conflict in etherh_block_input: "
 313                           " DMAstat %d irqlock %d\n",
 314                           ei_local->dmaing, ei_local->irqlock);
 315                return;
 316        }
 317
 318        /*
 319         * Make sure we have a round number of bytes if we're in word mode.
 320         */
 321        if (count & 1 && ei_local->word16)
 322                count++;
 323
 324        ei_local->dmaing = 1;
 325
 326        addr = (void __iomem *)dev->base_addr;
 327        dma_base = etherh_priv(dev)->dma_base;
 328
 329        count = (count + 1) & ~1;
 330        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 331
 332        writeb (0x42, addr + EN0_RCNTLO);
 333        writeb (0x00, addr + EN0_RCNTHI);
 334        writeb (0x42, addr + EN0_RSARLO);
 335        writeb (0x00, addr + EN0_RSARHI);
 336        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 337
 338        udelay (1);
 339
 340        writeb (ENISR_RDC, addr + EN0_ISR);
 341        writeb (count, addr + EN0_RCNTLO);
 342        writeb (count >> 8, addr + EN0_RCNTHI);
 343        writeb (0, addr + EN0_RSARLO);
 344        writeb (start_page, addr + EN0_RSARHI);
 345        writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
 346
 347        if (ei_local->word16)
 348                writesw (dma_base, buf, count >> 1);
 349        else
 350                writesb (dma_base, buf, count);
 351
 352        dma_start = jiffies;
 353
 354        while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
 355                if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
 356                        netdev_warn(dev, "timeout waiting for TX RDC\n");
 357                        etherh_reset (dev);
 358                        __NS8390_init (dev, 1);
 359                        break;
 360                }
 361
 362        writeb (ENISR_RDC, addr + EN0_ISR);
 363        ei_local->dmaing = 0;
 364}
 365
 366/*
 367 * Read a block of data from the 8390
 368 */
 369static void
 370etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
 371{
 372        struct ei_device *ei_local = netdev_priv(dev);
 373        unsigned char *buf;
 374        void __iomem *dma_base, *addr;
 375
 376        if (ei_local->dmaing) {
 377                netdev_err(dev, "DMAing conflict in etherh_block_input: "
 378                           " DMAstat %d irqlock %d\n",
 379                           ei_local->dmaing, ei_local->irqlock);
 380                return;
 381        }
 382
 383        ei_local->dmaing = 1;
 384
 385        addr = (void __iomem *)dev->base_addr;
 386        dma_base = etherh_priv(dev)->dma_base;
 387
 388        buf = skb->data;
 389        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 390        writeb (count, addr + EN0_RCNTLO);
 391        writeb (count >> 8, addr + EN0_RCNTHI);
 392        writeb (ring_offset, addr + EN0_RSARLO);
 393        writeb (ring_offset >> 8, addr + EN0_RSARHI);
 394        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 395
 396        if (ei_local->word16) {
 397                readsw (dma_base, buf, count >> 1);
 398                if (count & 1)
 399                        buf[count - 1] = readb (dma_base);
 400        } else
 401                readsb (dma_base, buf, count);
 402
 403        writeb (ENISR_RDC, addr + EN0_ISR);
 404        ei_local->dmaing = 0;
 405}
 406
 407/*
 408 * Read a header from the 8390
 409 */
 410static void
 411etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
 412{
 413        struct ei_device *ei_local = netdev_priv(dev);
 414        void __iomem *dma_base, *addr;
 415
 416        if (ei_local->dmaing) {
 417                netdev_err(dev, "DMAing conflict in etherh_get_header: "
 418                           " DMAstat %d irqlock %d\n",
 419                           ei_local->dmaing, ei_local->irqlock);
 420                return;
 421        }
 422
 423        ei_local->dmaing = 1;
 424
 425        addr = (void __iomem *)dev->base_addr;
 426        dma_base = etherh_priv(dev)->dma_base;
 427
 428        writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 429        writeb (sizeof (*hdr), addr + EN0_RCNTLO);
 430        writeb (0, addr + EN0_RCNTHI);
 431        writeb (0, addr + EN0_RSARLO);
 432        writeb (ring_page, addr + EN0_RSARHI);
 433        writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 434
 435        if (ei_local->word16)
 436                readsw (dma_base, hdr, sizeof (*hdr) >> 1);
 437        else
 438                readsb (dma_base, hdr, sizeof (*hdr));
 439
 440        writeb (ENISR_RDC, addr + EN0_ISR);
 441        ei_local->dmaing = 0;
 442}
 443
 444/*
 445 * Open/initialize the board.  This is called (in the current kernel)
 446 * sometime after booting when the 'ifconfig' program is run.
 447 *
 448 * This routine should set everything up anew at each open, even
 449 * registers that "should" only need to be set once at boot, so that
 450 * there is non-reboot way to recover if something goes wrong.
 451 */
 452static int
 453etherh_open(struct net_device *dev)
 454{
 455        struct ei_device *ei_local = netdev_priv(dev);
 456
 457        if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
 458                return -EAGAIN;
 459
 460        /*
 461         * Make sure that we aren't going to change the
 462         * media type on the next reset - we are about to
 463         * do automedia manually now.
 464         */
 465        ei_local->interface_num = 0;
 466
 467        /*
 468         * If we are doing automedia detection, do it now.
 469         * This is more reliable than the 8390's detection.
 470         */
 471        if (dev->flags & IFF_AUTOMEDIA) {
 472                dev->if_port = IF_PORT_10BASET;
 473                etherh_setif(dev);
 474                mdelay(1);
 475                if (!etherh_getifstat(dev)) {
 476                        dev->if_port = IF_PORT_10BASE2;
 477                        etherh_setif(dev);
 478                }
 479        } else
 480                etherh_setif(dev);
 481
 482        etherh_reset(dev);
 483        __ei_open(dev);
 484
 485        return 0;
 486}
 487
 488/*
 489 * The inverse routine to etherh_open().
 490 */
 491static int
 492etherh_close(struct net_device *dev)
 493{
 494        __ei_close (dev);
 495        free_irq (dev->irq, dev);
 496        return 0;
 497}
 498
 499/*
 500 * Read the ethernet address string from the on board rom.
 501 * This is an ascii string...
 502 */
 503static int etherh_addr(char *addr, struct expansion_card *ec)
 504{
 505        struct in_chunk_dir cd;
 506        char *s;
 507        
 508        if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
 509                printk(KERN_ERR "%s: unable to read module description string\n",
 510                       dev_name(&ec->dev));
 511                goto no_addr;
 512        }
 513
 514        s = strchr(cd.d.string, '(');
 515        if (s) {
 516                int i;
 517
 518                for (i = 0; i < 6; i++) {
 519                        addr[i] = simple_strtoul(s + 1, &s, 0x10);
 520                        if (*s != (i == 5? ')' : ':'))
 521                                break;
 522                }
 523
 524                if (i == 6)
 525                        return 0;
 526        }
 527
 528        printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
 529               dev_name(&ec->dev), cd.d.string);
 530
 531 no_addr:
 532        return -ENODEV;
 533}
 534
 535/*
 536 * Create an ethernet address from the system serial number.
 537 */
 538static int __init etherm_addr(char *addr)
 539{
 540        unsigned int serial;
 541
 542        if (system_serial_low == 0 && system_serial_high == 0)
 543                return -ENODEV;
 544
 545        serial = system_serial_low | system_serial_high;
 546
 547        addr[0] = 0;
 548        addr[1] = 0;
 549        addr[2] = 0xa4;
 550        addr[3] = 0x10 + (serial >> 24);
 551        addr[4] = serial >> 16;
 552        addr[5] = serial >> 8;
 553        return 0;
 554}
 555
 556static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 557{
 558        strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 559        strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 560        strlcpy(info->bus_info, dev_name(dev->dev.parent),
 561                sizeof(info->bus_info));
 562}
 563
 564static int etherh_get_link_ksettings(struct net_device *dev,
 565                                     struct ethtool_link_ksettings *cmd)
 566{
 567        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 568                                                etherh_priv(dev)->supported);
 569        cmd->base.speed = SPEED_10;
 570        cmd->base.duplex = DUPLEX_HALF;
 571        cmd->base.port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
 572        cmd->base.autoneg = (dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE :
 573                                                          AUTONEG_DISABLE);
 574        return 0;
 575}
 576
 577static int etherh_set_link_ksettings(struct net_device *dev,
 578                                     const struct ethtool_link_ksettings *cmd)
 579{
 580        switch (cmd->base.autoneg) {
 581        case AUTONEG_ENABLE:
 582                dev->flags |= IFF_AUTOMEDIA;
 583                break;
 584
 585        case AUTONEG_DISABLE:
 586                switch (cmd->base.port) {
 587                case PORT_TP:
 588                        dev->if_port = IF_PORT_10BASET;
 589                        break;
 590
 591                case PORT_BNC:
 592                        dev->if_port = IF_PORT_10BASE2;
 593                        break;
 594
 595                default:
 596                        return -EINVAL;
 597                }
 598                dev->flags &= ~IFF_AUTOMEDIA;
 599                break;
 600
 601        default:
 602                return -EINVAL;
 603        }
 604
 605        etherh_setif(dev);
 606
 607        return 0;
 608}
 609
 610static u32 etherh_get_msglevel(struct net_device *dev)
 611{
 612        struct ei_device *ei_local = netdev_priv(dev);
 613
 614        return ei_local->msg_enable;
 615}
 616
 617static void etherh_set_msglevel(struct net_device *dev, u32 v)
 618{
 619        struct ei_device *ei_local = netdev_priv(dev);
 620
 621        ei_local->msg_enable = v;
 622}
 623
 624static const struct ethtool_ops etherh_ethtool_ops = {
 625        .get_drvinfo            = etherh_get_drvinfo,
 626        .get_ts_info            = ethtool_op_get_ts_info,
 627        .get_msglevel           = etherh_get_msglevel,
 628        .set_msglevel           = etherh_set_msglevel,
 629        .get_link_ksettings     = etherh_get_link_ksettings,
 630        .set_link_ksettings     = etherh_set_link_ksettings,
 631};
 632
 633static const struct net_device_ops etherh_netdev_ops = {
 634        .ndo_open               = etherh_open,
 635        .ndo_stop               = etherh_close,
 636        .ndo_set_config         = etherh_set_config,
 637        .ndo_start_xmit         = __ei_start_xmit,
 638        .ndo_tx_timeout         = __ei_tx_timeout,
 639        .ndo_get_stats          = __ei_get_stats,
 640        .ndo_set_rx_mode        = __ei_set_multicast_list,
 641        .ndo_validate_addr      = eth_validate_addr,
 642        .ndo_set_mac_address    = eth_mac_addr,
 643#ifdef CONFIG_NET_POLL_CONTROLLER
 644        .ndo_poll_controller    = __ei_poll,
 645#endif
 646};
 647
 648static u32 etherh_regoffsets[16];
 649static u32 etherm_regoffsets[16];
 650
 651static int
 652etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
 653{
 654        const struct etherh_data *data = id->data;
 655        struct ei_device *ei_local;
 656        struct net_device *dev;
 657        struct etherh_priv *eh;
 658        int ret;
 659
 660        ret = ecard_request_resources(ec);
 661        if (ret)
 662                goto out;
 663
 664        dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
 665        if (!dev) {
 666                ret = -ENOMEM;
 667                goto release;
 668        }
 669
 670        SET_NETDEV_DEV(dev, &ec->dev);
 671
 672        dev->netdev_ops         = &etherh_netdev_ops;
 673        dev->irq                = ec->irq;
 674        dev->ethtool_ops        = &etherh_ethtool_ops;
 675
 676        if (data->supported & SUPPORTED_Autoneg)
 677                dev->flags |= IFF_AUTOMEDIA;
 678        if (data->supported & SUPPORTED_TP) {
 679                dev->flags |= IFF_PORTSEL;
 680                dev->if_port = IF_PORT_10BASET;
 681        } else if (data->supported & SUPPORTED_BNC) {
 682                dev->flags |= IFF_PORTSEL;
 683                dev->if_port = IF_PORT_10BASE2;
 684        } else
 685                dev->if_port = IF_PORT_UNKNOWN;
 686
 687        eh = etherh_priv(dev);
 688        eh->supported           = data->supported;
 689        eh->ctrl                = 0;
 690        eh->id                  = ec->cid.product;
 691        eh->memc                = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
 692        if (!eh->memc) {
 693                ret = -ENOMEM;
 694                goto free;
 695        }
 696
 697        eh->ctrl_port = eh->memc;
 698        if (data->ctrl_ioc) {
 699                eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
 700                if (!eh->ioc_fast) {
 701                        ret = -ENOMEM;
 702                        goto free;
 703                }
 704                eh->ctrl_port = eh->ioc_fast;
 705        }
 706
 707        dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
 708        eh->dma_base = eh->memc + data->dataport_offset;
 709        eh->ctrl_port += data->ctrlport_offset;
 710
 711        /*
 712         * IRQ and control port handling - only for non-NIC slot cards.
 713         */
 714        if (ec->slot_no != 8) {
 715                ecard_setirq(ec, &etherh_ops, eh);
 716        } else {
 717                /*
 718                 * If we're in the NIC slot, make sure the IRQ is enabled
 719                 */
 720                etherh_set_ctrl(eh, ETHERH_CP_IE);
 721        }
 722
 723        ei_local = netdev_priv(dev);
 724        spin_lock_init(&ei_local->page_lock);
 725
 726        if (ec->cid.product == PROD_ANT_ETHERM) {
 727                etherm_addr(dev->dev_addr);
 728                ei_local->reg_offset = etherm_regoffsets;
 729        } else {
 730                etherh_addr(dev->dev_addr, ec);
 731                ei_local->reg_offset = etherh_regoffsets;
 732        }
 733
 734        ei_local->name          = dev->name;
 735        ei_local->word16        = 1;
 736        ei_local->tx_start_page = data->tx_start_page;
 737        ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
 738        ei_local->stop_page     = data->stop_page;
 739        ei_local->reset_8390    = etherh_reset;
 740        ei_local->block_input   = etherh_block_input;
 741        ei_local->block_output  = etherh_block_output;
 742        ei_local->get_8390_hdr  = etherh_get_header;
 743        ei_local->interface_num = 0;
 744
 745        etherh_reset(dev);
 746        __NS8390_init(dev, 0);
 747
 748        ret = register_netdev(dev);
 749        if (ret)
 750                goto free;
 751
 752        netdev_info(dev, "%s in slot %d, %pM\n",
 753                    data->name, ec->slot_no, dev->dev_addr);
 754
 755        ecard_set_drvdata(ec, dev);
 756
 757        return 0;
 758
 759 free:
 760        free_netdev(dev);
 761 release:
 762        ecard_release_resources(ec);
 763 out:
 764        return ret;
 765}
 766
 767static void etherh_remove(struct expansion_card *ec)
 768{
 769        struct net_device *dev = ecard_get_drvdata(ec);
 770
 771        ecard_set_drvdata(ec, NULL);
 772
 773        unregister_netdev(dev);
 774
 775        free_netdev(dev);
 776
 777        ecard_release_resources(ec);
 778}
 779
 780static struct etherh_data etherm_data = {
 781        .ns8390_offset          = ETHERM_NS8390,
 782        .dataport_offset        = ETHERM_NS8390 + ETHERM_DATAPORT,
 783        .ctrlport_offset        = ETHERM_NS8390 + ETHERM_CTRLPORT,
 784        .name                   = "ANT EtherM",
 785        .supported              = SUPPORTED_10baseT_Half,
 786        .tx_start_page          = ETHERM_TX_START_PAGE,
 787        .stop_page              = ETHERM_STOP_PAGE,
 788};
 789
 790static struct etherh_data etherlan500_data = {
 791        .ns8390_offset          = ETHERH500_NS8390,
 792        .dataport_offset        = ETHERH500_NS8390 + ETHERH500_DATAPORT,
 793        .ctrlport_offset        = ETHERH500_CTRLPORT,
 794        .ctrl_ioc               = 1,
 795        .name                   = "i3 EtherH 500",
 796        .supported              = SUPPORTED_10baseT_Half,
 797        .tx_start_page          = ETHERH_TX_START_PAGE,
 798        .stop_page              = ETHERH_STOP_PAGE,
 799};
 800
 801static struct etherh_data etherlan600_data = {
 802        .ns8390_offset          = ETHERH600_NS8390,
 803        .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 804        .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 805        .name                   = "i3 EtherH 600",
 806        .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 807        .tx_start_page          = ETHERH_TX_START_PAGE,
 808        .stop_page              = ETHERH_STOP_PAGE,
 809};
 810
 811static struct etherh_data etherlan600a_data = {
 812        .ns8390_offset          = ETHERH600_NS8390,
 813        .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 814        .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 815        .name                   = "i3 EtherH 600A",
 816        .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 817        .tx_start_page          = ETHERH_TX_START_PAGE,
 818        .stop_page              = ETHERH_STOP_PAGE,
 819};
 820
 821static const struct ecard_id etherh_ids[] = {
 822        { MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
 823        { MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
 824        { MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
 825        { MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
 826        { 0xffff,   0xffff }
 827};
 828
 829static struct ecard_driver etherh_driver = {
 830        .probe          = etherh_probe,
 831        .remove         = etherh_remove,
 832        .id_table       = etherh_ids,
 833        .drv = {
 834                .name   = DRV_NAME,
 835        },
 836};
 837
 838static int __init etherh_init(void)
 839{
 840        int i;
 841
 842        for (i = 0; i < 16; i++) {
 843                etherh_regoffsets[i] = i << 2;
 844                etherm_regoffsets[i] = i << 5;
 845        }
 846
 847        return ecard_register_driver(&etherh_driver);
 848}
 849
 850static void __exit etherh_exit(void)
 851{
 852        ecard_remove_driver(&etherh_driver);
 853}
 854
 855module_init(etherh_init);
 856module_exit(etherh_exit);
 857