drivers/ata/pata_pcmcia.c

   1 /*
   2  *   pata_pcmcia.c - PCMCIA PATA controller driver.
   3  *   Copyright 2005-2006 Red Hat Inc, all rights reserved.
   4  *   PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
   5  *                                              <openembedded@hrw.one.pl>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; see the file COPYING.  If not, write to
  19  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  *   Heavily based upon ide-cs.c
  22  *   The initial developer of the original code is David A. Hinds
  23  *   <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  24  *   are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/blkdev.h>
  31 #include <linux/delay.h>
  32 #include <scsi/scsi_host.h>
  33 #include <linux/ata.h>
  34 #include <linux/libata.h>
  35
  36 #include <pcmcia/cs_types.h>
  37 #include <pcmcia/cs.h>
  38 #include <pcmcia/cistpl.h>
  39 #include <pcmcia/ds.h>
  40 #include <pcmcia/cisreg.h>
  41 #include <pcmcia/ciscode.h>
  42
  43
  44 #define DRV_NAME "pata_pcmcia"
  45 #define DRV_VERSION "0.3.5"
  46
  47 /*
  48  *      Private data structure to glue stuff together
  49  */
  50
  51 struct ata_pcmcia_info {
  52         struct pcmcia_device *pdev;
  53         int             ndev;
  54         dev_node_t      node;
  55 };
  56
  57 /**
  58  *      pcmcia_set_mode -       PCMCIA specific mode setup
  59  *      @link: link
  60  *      @r_failed_dev: Return pointer for failed device
  61  *
  62  *      Perform the tuning and setup of the devices and timings, which
  63  *      for PCMCIA is the same as any other controller. We wrap it however
  64  *      as we need to spot hardware with incorrect or missing master/slave
  65  *      decode, which alas is embarrassingly common in the PC world
  66  */
  67
  68 static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
  69 {
  70         struct ata_device *master = &link->device[0];
  71         struct ata_device *slave = &link->device[1];
  72
  73         if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
  74                 return ata_do_set_mode(link, r_failed_dev);
  75
  76         if (memcmp(master->id + ATA_ID_FW_REV,  slave->id + ATA_ID_FW_REV,
  77                            ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
  78                 /* Suspicious match, but could be two cards from
  79                    the same vendor - check serial */
  80                 if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
  81                            ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
  82                         ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n");
  83                         ata_dev_disable(slave);
  84                 }
  85         }
  86         return ata_do_set_mode(link, r_failed_dev);
  87 }
  88
  89 /**
  90  *      pcmcia_set_mode_8bit    -       PCMCIA specific mode setup
  91  *      @link: link
  92  *      @r_failed_dev: Return pointer for failed device
  93  *
  94  *      For the simple emulated 8bit stuff the less we do the better.
  95  */
  96
  97 static int pcmcia_set_mode_8bit(struct ata_link *link,
  98                                 struct ata_device **r_failed_dev)
  99 {
 100         return 0;
 101 }
 102
 103 /**
 104  *      ata_data_xfer_8bit       -      Transfer data by 8bit PIO
 105  *      @dev: device to target
 106  *      @buf: data buffer
 107  *      @buflen: buffer length
 108  *      @rw: read/write
 109  *
 110  *      Transfer data from/to the device data register by 8 bit PIO.
 111  *
 112  *      LOCKING:
 113  *      Inherited from caller.
 114  */
 115
 116 static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
 117                                 unsigned char *buf, unsigned int buflen, int rw)
 118 {
 119         struct ata_port *ap = dev->link->ap;
 120
 121         if (rw == READ)
 122                 ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
 123         else
 124                 iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
 125
 126         return buflen;
 127 }
 128
 129 /**
 130  *      pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
 131  *      @qc: command
 132  *
 133  *      Drain the FIFO and device of any stuck data following a command
 134  *      failing to complete. In some cases this is neccessary before a
 135  *      reset will recover the device.
 136  *
 137  */
 138
 139 void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
 140 {
 141         int count;
 142         struct ata_port *ap;
 143
 144         /* We only need to flush incoming data when a command was running */
 145         if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
 146                 return;
 147
 148         ap = qc->ap;
 149
 150         /* Drain up to 64K of data before we give up this recovery method */
 151         for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ)
 152                                                         && count++ < 65536;)
 153                 ioread8(ap->ioaddr.data_addr);
 154
 155         if (count)
 156                 ata_port_printk(ap, KERN_WARNING, "drained %d bytes to clear DRQ.\n",
 157                                                                 count);
 158
 159 }
 160
 161 static struct scsi_host_template pcmcia_sht = {
 162         ATA_PIO_SHT(DRV_NAME),
 163 };
 164
 165 static struct ata_port_operations pcmcia_port_ops = {
 166         .inherits       = &ata_sff_port_ops,
 167         .sff_data_xfer  = ata_sff_data_xfer_noirq,
 168         .cable_detect   = ata_cable_40wire,
 169         .set_mode       = pcmcia_set_mode,
 170 };
 171
 172 static struct ata_port_operations pcmcia_8bit_port_ops = {
 173         .inherits       = &ata_sff_port_ops,
 174         .sff_data_xfer  = ata_data_xfer_8bit,
 175         .cable_detect   = ata_cable_40wire,
 176         .set_mode       = pcmcia_set_mode_8bit,
 177         .drain_fifo     = pcmcia_8bit_drain_fifo,
 178 };
 179
 180
 181 struct pcmcia_config_check {
 182         unsigned long ctl_base;
 183         int skip_vcc;
 184         int is_kme;
 185 };
 186
 187 static int pcmcia_check_one_config(struct pcmcia_device *pdev,
 188                                    cistpl_cftable_entry_t *cfg,
 189                                    cistpl_cftable_entry_t *dflt,
 190                                    unsigned int vcc,
 191                                    void *priv_data)
 192 {
 193         struct pcmcia_config_check *stk = priv_data;
 194
 195         /* Check for matching Vcc, unless we're desperate */
 196         if (!stk->skip_vcc) {
 197                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 198                         if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
 199                                 return -ENODEV;
 200                 } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 201                         if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000)
 202                                 return -ENODEV;
 203                 }
 204         }
 205
 206         if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 207                 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 208         else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
 209                 pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 210
 211         if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
 212                 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
 213                 pdev->io.BasePort1 = io->win[0].base;
 214                 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
 215                 if (!(io->flags & CISTPL_IO_16BIT))
 216                         pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 217                 if (io->nwin == 2) {
 218                         pdev->io.NumPorts1 = 8;
 219                         pdev->io.BasePort2 = io->win[1].base;
 220                         pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
 221                         if (pcmcia_request_io(pdev, &pdev->io) != 0)
 222                                 return -ENODEV;
 223                         stk->ctl_base = pdev->io.BasePort2;
 224                 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
 225                         pdev->io.NumPorts1 = io->win[0].len;
 226                         pdev->io.NumPorts2 = 0;
 227                         if (pcmcia_request_io(pdev, &pdev->io) != 0)
 228                                 return -ENODEV;
 229                         stk->ctl_base = pdev->io.BasePort1 + 0x0e;
 230                 } else
 231                         return -ENODEV;
 232                 /* If we've got this far, we're done */
 233                 return 0;
 234         }
 235         return -ENODEV;
 236 }
 237
 238 /**
 239  *      pcmcia_init_one         -       attach a PCMCIA interface
 240  *      @pdev: pcmcia device
 241  *
 242  *      Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
 243  *      shared IRQ.
 244  */
 245
 246 static int pcmcia_init_one(struct pcmcia_device *pdev)
 247 {
 248         struct ata_host *host;
 249         struct ata_port *ap;
 250         struct ata_pcmcia_info *info;
 251         struct pcmcia_config_check *stk = NULL;
 252         int is_kme = 0, ret = -ENOMEM, p;
 253         unsigned long io_base, ctl_base;
 254         void __iomem *io_addr, *ctl_addr;
 255         int n_ports = 1;
 256         struct ata_port_operations *ops = &pcmcia_port_ops;
 257
 258         info = kzalloc(sizeof(*info), GFP_KERNEL);
 259         if (info == NULL)
 260                 return -ENOMEM;
 261
 262         /* Glue stuff together. FIXME: We may be able to get rid of info with care */
 263         info->pdev = pdev;
 264         pdev->priv = info;
 265
 266         /* Set up attributes in order to probe card and get resources */
 267         pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 268         pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
 269         pdev->io.IOAddrLines = 3;
 270         pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 271         pdev->conf.Attributes = CONF_ENABLE_IRQ;
 272         pdev->conf.IntType = INT_MEMORY_AND_IO;
 273
 274         /* See if we have a manufacturer identifier. Use it to set is_kme for
 275            vendor quirks */
 276         is_kme = ((pdev->manf_id == MANFID_KME) &&
 277                   ((pdev->card_id == PRODID_KME_KXLC005_A) ||
 278                    (pdev->card_id == PRODID_KME_KXLC005_B)));
 279
 280         /* Allocate resoure probing structures */
 281
 282         stk = kzalloc(sizeof(*stk), GFP_KERNEL);
 283         if (!stk)
 284                 goto out1;
 285         stk->is_kme = is_kme;
 286         stk->skip_vcc = io_base = ctl_base = 0;
 287
 288         if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk)) {
 289                 stk->skip_vcc = 1;
 290                 if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk))
 291                         goto failed; /* No suitable config found */
 292         }
 293         io_base = pdev->io.BasePort1;
 294         ctl_base = stk->ctl_base;
 295         ret = pcmcia_request_irq(pdev, &pdev->irq);
 296         if (ret)
 297                 goto failed;
 298
 299         ret = pcmcia_request_configuration(pdev, &pdev->conf);
 300         if (ret)
 301                 goto failed;
 302
 303         /* iomap */
 304         ret = -ENOMEM;
 305         io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
 306         ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
 307         if (!io_addr || !ctl_addr)
 308                 goto failed;
 309
 310         /* Success. Disable the IRQ nIEN line, do quirks */
 311         iowrite8(0x02, ctl_addr);
 312         if (is_kme)
 313                 iowrite8(0x81, ctl_addr + 0x01);
 314
 315         /* FIXME: Could be more ports at base + 0x10 but we only deal with
 316            one right now */
 317         if (pdev->io.NumPorts1 >= 0x20)
 318                 n_ports = 2;
 319
 320         if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
 321                 ops = &pcmcia_8bit_port_ops;
 322         /*
 323          *      Having done the PCMCIA plumbing the ATA side is relatively
 324          *      sane.
 325          */
 326         ret = -ENOMEM;
 327         host = ata_host_alloc(&pdev->dev, n_ports);
 328         if (!host)
 329                 goto failed;
 330
 331         for (p = 0; p < n_ports; p++) {
 332                 ap = host->ports[p];
 333
 334                 ap->ops = ops;
 335                 ap->pio_mask = ATA_PIO0;        /* ISA so PIO 0 cycles */
 336                 ap->flags |= ATA_FLAG_SLAVE_POSS;
 337                 ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
 338                 ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
 339                 ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
 340                 ata_sff_std_ports(&ap->ioaddr);
 341
 342                 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
 343         }
 344
 345         /* activate */
 346         ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_sff_interrupt,
 347                                 IRQF_SHARED, &pcmcia_sht);
 348         if (ret)
 349                 goto failed;
 350
 351         info->ndev = 1;
 352         kfree(stk);
 353         return 0;
 354
 355 failed:
 356         kfree(stk);
 357         info->ndev = 0;
 358         pcmcia_disable_device(pdev);
 359 out1:
 360         kfree(info);
 361         return ret;
 362 }
 363
 364 /**
 365  *      pcmcia_remove_one       -       unplug an pcmcia interface
 366  *      @pdev: pcmcia device
 367  *
 368  *      A PCMCIA ATA device has been unplugged. Perform the needed
 369  *      cleanup. Also called on module unload for any active devices.
 370  */
 371
 372 static void pcmcia_remove_one(struct pcmcia_device *pdev)
 373 {
 374         struct ata_pcmcia_info *info = pdev->priv;
 375         struct device *dev = &pdev->dev;
 376
 377         if (info != NULL) {
 378                 /* If we have attached the device to the ATA layer, detach it */
 379                 if (info->ndev) {
 380                         struct ata_host *host = dev_get_drvdata(dev);
 381                         ata_host_detach(host);
 382                 }
 383                 info->ndev = 0;
 384                 pdev->priv = NULL;
 385         }
 386         pcmcia_disable_device(pdev);
 387         kfree(info);
 388 }
 389
 390 static struct pcmcia_device_id pcmcia_devices[] = {
 391         PCMCIA_DEVICE_FUNC_ID(4),
 392         PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000),        /* Corsair */
 393         PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000),        /* Hitachi */
 394         PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000),        /* I-O Data CFA */
 395         PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001),        /* Mitsubishi CFA */
 396         PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
 397         PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
 398         PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),        /* SanDisk CFA */
 399         PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000),        /* Kingston */
 400         PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620),        /* TI emulated */
 401         PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000),        /* Toshiba */
 402         PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
 403         PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000),        /* Samsung */
 404         PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000),        /* Hitachi */
 405         PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
 406         PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100),        /* Viking CFA */
 407         PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200),        /* Lexar, Viking CFA */
 408         PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
 409         PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
 410         PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
 411         PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
 412         PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
 413         PCMCIA_DEVICE_PROD_ID12("CNF   ", "CD-ROM", 0x46d7db81, 0x66536591),
 414         PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
 415         PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
 416         PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
 417         PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
 418         PCMCIA_DEVICE_PROD_ID12("EXP   ", "CD-ROM", 0x0a5c52fd, 0x66536591),
 419         PCMCIA_DEVICE_PROD_ID12("EXP   ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
 420         PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
 421         PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
 422         PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
 423         PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
 424         PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
 425         PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
 426         PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
 427         PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2      ", 0x547e66dc, 0x8671043b),
 428         PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
 429         PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
 430         PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2      ", 0xe37be2b5, 0x8671043b),
 431         PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
 432         PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
 433         PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
 434         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
 435         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
 436         PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
 437         PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
 438         PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
 439         PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
 440         PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
 441         PCMCIA_DEVICE_PROD_ID1("TRANSCEND    512M   ", 0xd0909443),
 442         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
 443         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
 444         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
 445         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
 446         PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
 447         PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
 448         PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
 449         PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
 450         PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
 451         PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
 452         PCMCIA_DEVICE_NULL,
 453 };
 454
 455 MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
 456
 457 static struct pcmcia_driver pcmcia_driver = {
 458         .owner          = THIS_MODULE,
 459         .drv = {
 460                 .name           = DRV_NAME,
 461         },
 462         .id_table       = pcmcia_devices,
 463         .probe          = pcmcia_init_one,
 464         .remove         = pcmcia_remove_one,
 465 };
 466
 467 static int __init pcmcia_init(void)
 468 {
 469         return pcmcia_register_driver(&pcmcia_driver);
 470 }
 471
 472 static void __exit pcmcia_exit(void)
 473 {
 474         pcmcia_unregister_driver(&pcmcia_driver);
 475 }
 476
 477 MODULE_AUTHOR("Alan Cox");
 478 MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
 479 MODULE_LICENSE("GPL");
 480 MODULE_VERSION(DRV_VERSION);
 481
 482 module_init(pcmcia_init);
 483 module_exit(pcmcia_exit);