drivers/scsi/arm/eesox.c

   1 /*
   2  *  linux/drivers/acorn/scsi/eesox.c
   3  *
   4  *  Copyright (C) 1997-2005 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  *  This driver is based on experimentation.  Hence, it may have made
  11  *  assumptions about the particular card that I have available, and
  12  *  may not be reliable!
  13  *
  14  *  Changelog:
  15  *   01-10-1997 RMK             Created, READONLY version
  16  *   15-02-1998 RMK             READ/WRITE version
  17  *                              added DMA support and hardware definitions
  18  *   14-03-1998 RMK             Updated DMA support
  19  *                              Added terminator control
  20  *   15-04-1998 RMK             Only do PIO if FAS216 will allow it.
  21  *   27-06-1998 RMK             Changed asm/delay.h to linux/delay.h
  22  *   02-04-2000 RMK     0.0.3   Fixed NO_IRQ/NO_DMA problem, updated for new
  23  *                              error handling code.
  24  */
  25 #include <linux/module.h>
  26 #include <linux/blkdev.h>
  27 #include <linux/kernel.h>
  28 #include <linux/string.h>
  29 #include <linux/ioport.h>
  30 #include <linux/sched.h>
  31 #include <linux/proc_fs.h>
  32 #include <linux/delay.h>
  33 #include <linux/interrupt.h>
  34 #include <linux/init.h>
  35 #include <linux/dma-mapping.h>
  36
  37 #include <asm/io.h>
  38 #include <asm/dma.h>
  39 #include <asm/ecard.h>
  40 #include <asm/pgtable.h>
  41
  42 #include "../scsi.h"
  43 #include <scsi/scsi_host.h>
  44 #include "fas216.h"
  45 #include "scsi.h"
  46
  47 #include <scsi/scsicam.h>
  48
  49 #define EESOX_FAS216_OFFSET     0x3000
  50 #define EESOX_FAS216_SHIFT      5
  51
  52 #define EESOX_DMASTAT           0x2800
  53 #define EESOX_STAT_INTR         0x01
  54 #define EESOX_STAT_DMA          0x02
  55
  56 #define EESOX_CONTROL           0x2800
  57 #define EESOX_INTR_ENABLE       0x04
  58 #define EESOX_TERM_ENABLE       0x02
  59 #define EESOX_RESET             0x01
  60
  61 #define EESOX_DMADATA           0x3800
  62
  63 #define VERSION "1.10 (17/01/2003 2.5.59)"
  64
  65 /*
  66  * Use term=0,1,0,0,0 to turn terminators on/off
  67  */
  68 static int term[MAX_ECARDS] = { 1, 1, 1, 1, 1, 1, 1, 1 };
  69
  70 #define NR_SG   256
  71
  72 struct eesoxscsi_info {
  73         FAS216_Info             info;
  74         struct expansion_card   *ec;
  75         void __iomem            *base;
  76         void __iomem            *ctl_port;
  77         unsigned int            control;
  78         struct scatterlist      sg[NR_SG];      /* Scatter DMA list     */
  79 };
  80
  81 /* Prototype: void eesoxscsi_irqenable(ec, irqnr)
  82  * Purpose  : Enable interrupts on EESOX SCSI card
  83  * Params   : ec    - expansion card structure
  84  *          : irqnr - interrupt number
  85  */
  86 static void
  87 eesoxscsi_irqenable(struct expansion_card *ec, int irqnr)
  88 {
  89         struct eesoxscsi_info *info = (struct eesoxscsi_info *)ec->irq_data;
  90
  91         info->control |= EESOX_INTR_ENABLE;
  92
  93         writeb(info->control, info->ctl_port);
  94 }
  95
  96 /* Prototype: void eesoxscsi_irqdisable(ec, irqnr)
  97  * Purpose  : Disable interrupts on EESOX SCSI card
  98  * Params   : ec    - expansion card structure
  99  *          : irqnr - interrupt number
 100  */
 101 static void
 102 eesoxscsi_irqdisable(struct expansion_card *ec, int irqnr)
 103 {
 104         struct eesoxscsi_info *info = (struct eesoxscsi_info *)ec->irq_data;
 105
 106         info->control &= ~EESOX_INTR_ENABLE;
 107
 108         writeb(info->control, info->ctl_port);
 109 }
 110
 111 static const expansioncard_ops_t eesoxscsi_ops = {
 112         .irqenable      = eesoxscsi_irqenable,
 113         .irqdisable     = eesoxscsi_irqdisable,
 114 };
 115
 116 /* Prototype: void eesoxscsi_terminator_ctl(*host, on_off)
 117  * Purpose  : Turn the EESOX SCSI terminators on or off
 118  * Params   : host   - card to turn on/off
 119  *          : on_off - !0 to turn on, 0 to turn off
 120  */
 121 static void
 122 eesoxscsi_terminator_ctl(struct Scsi_Host *host, int on_off)
 123 {
 124         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 125         unsigned long flags;
 126
 127         spin_lock_irqsave(host->host_lock, flags);
 128         if (on_off)
 129                 info->control |= EESOX_TERM_ENABLE;
 130         else
 131                 info->control &= ~EESOX_TERM_ENABLE;
 132
 133         writeb(info->control, info->ctl_port);
 134         spin_unlock_irqrestore(host->host_lock, flags);
 135 }
 136
 137 /* Prototype: void eesoxscsi_intr(irq, *dev_id, *regs)
 138  * Purpose  : handle interrupts from EESOX SCSI card
 139  * Params   : irq    - interrupt number
 140  *            dev_id - user-defined (Scsi_Host structure)
 141  *            regs   - processor registers at interrupt
 142  */
 143 static irqreturn_t
 144 eesoxscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
 145 {
 146         struct eesoxscsi_info *info = dev_id;
 147
 148         return fas216_intr(&info->info);
 149 }
 150
 151 /* Prototype: fasdmatype_t eesoxscsi_dma_setup(host, SCpnt, direction, min_type)
 152  * Purpose  : initialises DMA/PIO
 153  * Params   : host      - host
 154  *            SCpnt     - command
 155  *            direction - DMA on to/off of card
 156  *            min_type  - minimum DMA support that we must have for this transfer
 157  * Returns  : type of transfer to be performed
 158  */
 159 static fasdmatype_t
 160 eesoxscsi_dma_setup(struct Scsi_Host *host, struct scsi_pointer *SCp,
 161                        fasdmadir_t direction, fasdmatype_t min_type)
 162 {
 163         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 164         struct device *dev = scsi_get_device(host);
 165         int dmach = info->info.scsi.dma;
 166
 167         if (dmach != NO_DMA &&
 168             (min_type == fasdma_real_all || SCp->this_residual >= 512)) {
 169                 int bufs, map_dir, dma_dir;
 170
 171                 bufs = copy_SCp_to_sg(&info->sg[0], SCp, NR_SG);
 172
 173                 if (direction == DMA_OUT)
 174                         map_dir = DMA_TO_DEVICE,
 175                         dma_dir = DMA_MODE_WRITE;
 176                 else
 177                         map_dir = DMA_FROM_DEVICE,
 178                         dma_dir = DMA_MODE_READ;
 179
 180                 dma_map_sg(dev, info->sg, bufs + 1, map_dir);
 181
 182                 disable_dma(dmach);
 183                 set_dma_sg(dmach, info->sg, bufs + 1);
 184                 set_dma_mode(dmach, dma_dir);
 185                 enable_dma(dmach);
 186                 return fasdma_real_all;
 187         }
 188         /*
 189          * We don't do DMA, we only do slow PIO
 190          *
 191          * Some day, we will do Pseudo DMA
 192          */
 193         return fasdma_pseudo;
 194 }
 195
 196 static void eesoxscsi_buffer_in(void *buf, int length, void __iomem *base)
 197 {
 198         const void __iomem *reg_fas = base + EESOX_FAS216_OFFSET;
 199         const void __iomem *reg_dmastat = base + EESOX_DMASTAT;
 200         const void __iomem *reg_dmadata = base + EESOX_DMADATA;
 201         const register unsigned long mask = 0xffff;
 202
 203         do {
 204                 unsigned int status;
 205
 206                 /*
 207                  * Interrupt request?
 208                  */
 209                 status = readb(reg_fas + (REG_STAT << EESOX_FAS216_SHIFT));
 210                 if (status & STAT_INT)
 211                         break;
 212
 213                 /*
 214                  * DMA request active?
 215                  */
 216                 status = readb(reg_dmastat);
 217                 if (!(status & EESOX_STAT_DMA))
 218                         continue;
 219
 220                 /*
 221                  * Get number of bytes in FIFO
 222                  */
 223                 status = readb(reg_fas + (REG_CFIS << EESOX_FAS216_SHIFT)) & CFIS_CF;
 224                 if (status > 16)
 225                         status = 16;
 226                 if (status > length)
 227                         status = length;
 228
 229                 /*
 230                  * Align buffer.
 231                  */
 232                 if (((u32)buf) & 2 && status >= 2) {
 233                         *(u16 *)buf = readl(reg_dmadata);
 234                         buf += 2;
 235                         status -= 2;
 236                         length -= 2;
 237                 }
 238
 239                 if (status >= 8) {
 240                         unsigned long l1, l2;
 241
 242                         l1 = readl(reg_dmadata) & mask;
 243                         l1 |= readl(reg_dmadata) << 16;
 244                         l2 = readl(reg_dmadata) & mask;
 245                         l2 |= readl(reg_dmadata) << 16;
 246                         *(u32 *)buf = l1;
 247                         buf += 4;
 248                         *(u32 *)buf = l2;
 249                         buf += 4;
 250                         length -= 8;
 251                         continue;
 252                 }
 253
 254                 if (status >= 4) {
 255                         unsigned long l1;
 256
 257                         l1 = readl(reg_dmadata) & mask;
 258                         l1 |= readl(reg_dmadata) << 16;
 259
 260                         *(u32 *)buf = l1;
 261                         buf += 4;
 262                         length -= 4;
 263                         continue;
 264                 }
 265
 266                 if (status >= 2) {
 267                         *(u16 *)buf = readl(reg_dmadata);
 268                         buf += 2;
 269                         length -= 2;
 270                 }
 271         } while (length);
 272 }
 273
 274 static void eesoxscsi_buffer_out(void *buf, int length, void __iomem *base)
 275 {
 276         const void __iomem *reg_fas = base + EESOX_FAS216_OFFSET;
 277         const void __iomem *reg_dmastat = base + EESOX_DMASTAT;
 278         const void __iomem *reg_dmadata = base + EESOX_DMADATA;
 279
 280         do {
 281                 unsigned int status;
 282
 283                 /*
 284                  * Interrupt request?
 285                  */
 286                 status = readb(reg_fas + (REG_STAT << EESOX_FAS216_SHIFT));
 287                 if (status & STAT_INT)
 288                         break;
 289
 290                 /*
 291                  * DMA request active?
 292                  */
 293                 status = readb(reg_dmastat);
 294                 if (!(status & EESOX_STAT_DMA))
 295                         continue;
 296
 297                 /*
 298                  * Get number of bytes in FIFO
 299                  */
 300                 status = readb(reg_fas + (REG_CFIS << EESOX_FAS216_SHIFT)) & CFIS_CF;
 301                 if (status > 16)
 302                         status = 16;
 303                 status = 16 - status;
 304                 if (status > length)
 305                         status = length;
 306                 status &= ~1;
 307
 308                 /*
 309                  * Align buffer.
 310                  */
 311                 if (((u32)buf) & 2 && status >= 2) {
 312                         writel(*(u16 *)buf << 16, reg_dmadata);
 313                         buf += 2;
 314                         status -= 2;
 315                         length -= 2;
 316                 }
 317
 318                 if (status >= 8) {
 319                         unsigned long l1, l2;
 320
 321                         l1 = *(u32 *)buf;
 322                         buf += 4;
 323                         l2 = *(u32 *)buf;
 324                         buf += 4;
 325
 326                         writel(l1 << 16, reg_dmadata);
 327                         writel(l1, reg_dmadata);
 328                         writel(l2 << 16, reg_dmadata);
 329                         writel(l2, reg_dmadata);
 330                         length -= 8;
 331                         continue;
 332                 }
 333
 334                 if (status >= 4) {
 335                         unsigned long l1;
 336
 337                         l1 = *(u32 *)buf;
 338                         buf += 4;
 339
 340                         writel(l1 << 16, reg_dmadata);
 341                         writel(l1, reg_dmadata);
 342                         length -= 4;
 343                         continue;
 344                 }
 345
 346                 if (status >= 2) {
 347                         writel(*(u16 *)buf << 16, reg_dmadata);
 348                         buf += 2;
 349                         length -= 2;
 350                 }
 351         } while (length);
 352 }
 353
 354 static void
 355 eesoxscsi_dma_pseudo(struct Scsi_Host *host, struct scsi_pointer *SCp,
 356                      fasdmadir_t dir, int transfer_size)
 357 {
 358         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 359         if (dir == DMA_IN) {
 360                 eesoxscsi_buffer_in(SCp->ptr, SCp->this_residual, info->base);
 361         } else {
 362                 eesoxscsi_buffer_out(SCp->ptr, SCp->this_residual, info->base);
 363         }
 364 }
 365
 366 /* Prototype: int eesoxscsi_dma_stop(host, SCpnt)
 367  * Purpose  : stops DMA/PIO
 368  * Params   : host  - host
 369  *            SCpnt - command
 370  */
 371 static void
 372 eesoxscsi_dma_stop(struct Scsi_Host *host, struct scsi_pointer *SCp)
 373 {
 374         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 375         if (info->info.scsi.dma != NO_DMA)
 376                 disable_dma(info->info.scsi.dma);
 377 }
 378
 379 /* Prototype: const char *eesoxscsi_info(struct Scsi_Host * host)
 380  * Purpose  : returns a descriptive string about this interface,
 381  * Params   : host - driver host structure to return info for.
 382  * Returns  : pointer to a static buffer containing null terminated string.
 383  */
 384 const char *eesoxscsi_info(struct Scsi_Host *host)
 385 {
 386         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 387         static char string[150];
 388
 389         sprintf(string, "%s (%s) in slot %d v%s terminators o%s",
 390                 host->hostt->name, info->info.scsi.type, info->ec->slot_no,
 391                 VERSION, info->control & EESOX_TERM_ENABLE ? "n" : "ff");
 392
 393         return string;
 394 }
 395
 396 /* Prototype: int eesoxscsi_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
 397  * Purpose  : Set a driver specific function
 398  * Params   : host   - host to setup
 399  *          : buffer - buffer containing string describing operation
 400  *          : length - length of string
 401  * Returns  : -EINVAL, or 0
 402  */
 403 static int
 404 eesoxscsi_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
 405 {
 406         int ret = length;
 407
 408         if (length >= 9 && strncmp(buffer, "EESOXSCSI", 9) == 0) {
 409                 buffer += 9;
 410                 length -= 9;
 411
 412                 if (length >= 5 && strncmp(buffer, "term=", 5) == 0) {
 413                         if (buffer[5] == '1')
 414                                 eesoxscsi_terminator_ctl(host, 1);
 415                         else if (buffer[5] == '0')
 416                                 eesoxscsi_terminator_ctl(host, 0);
 417                         else
 418                                 ret = -EINVAL;
 419                 } else
 420                         ret = -EINVAL;
 421         } else
 422                 ret = -EINVAL;
 423
 424         return ret;
 425 }
 426
 427 /* Prototype: int eesoxscsi_proc_info(char *buffer, char **start, off_t offset,
 428  *                                    int length, int host_no, int inout)
 429  * Purpose  : Return information about the driver to a user process accessing
 430  *            the /proc filesystem.
 431  * Params   : buffer - a buffer to write information to
 432  *            start  - a pointer into this buffer set by this routine to the start
 433  *                     of the required information.
 434  *            offset - offset into information that we have read upto.
 435  *            length - length of buffer
 436  *            host_no - host number to return information for
 437  *            inout  - 0 for reading, 1 for writing.
 438  * Returns  : length of data written to buffer.
 439  */
 440 int eesoxscsi_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
 441                             int length, int inout)
 442 {
 443         struct eesoxscsi_info *info;
 444         char *p = buffer;
 445         int pos;
 446
 447         if (inout == 1)
 448                 return eesoxscsi_set_proc_info(host, buffer, length);
 449
 450         info = (struct eesoxscsi_info *)host->hostdata;
 451
 452         p += sprintf(p, "EESOX SCSI driver v%s\n", VERSION);
 453         p += fas216_print_host(&info->info, p);
 454         p += sprintf(p, "Term    : o%s\n",
 455                         info->control & EESOX_TERM_ENABLE ? "n" : "ff");
 456
 457         p += fas216_print_stats(&info->info, p);
 458         p += fas216_print_devices(&info->info, p);
 459
 460         *start = buffer + offset;
 461         pos = p - buffer - offset;
 462         if (pos > length)
 463                 pos = length;
 464
 465         return pos;
 466 }
 467
 468 static ssize_t eesoxscsi_show_term(struct device *dev, struct device_attribute *attr, char *buf)
 469 {
 470         struct expansion_card *ec = ECARD_DEV(dev);
 471         struct Scsi_Host *host = ecard_get_drvdata(ec);
 472         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 473
 474         return sprintf(buf, "%d\n", info->control & EESOX_TERM_ENABLE ? 1 : 0);
 475 }
 476
 477 static ssize_t eesoxscsi_store_term(struct device *dev, struct device_attribute *attr, const char *buf, size_t len)
 478 {
 479         struct expansion_card *ec = ECARD_DEV(dev);
 480         struct Scsi_Host *host = ecard_get_drvdata(ec);
 481         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 482         unsigned long flags;
 483
 484         if (len > 1) {
 485                 spin_lock_irqsave(host->host_lock, flags);
 486                 if (buf[0] != '0') {
 487                         info->control |= EESOX_TERM_ENABLE;
 488                 } else {
 489                         info->control &= ~EESOX_TERM_ENABLE;
 490                 }
 491                 writeb(info->control, info->ctl_port);
 492                 spin_unlock_irqrestore(host->host_lock, flags);
 493         }
 494
 495         return len;
 496 }
 497
 498 static DEVICE_ATTR(bus_term, S_IRUGO | S_IWUSR,
 499                    eesoxscsi_show_term, eesoxscsi_store_term);
 500
 501 static struct scsi_host_template eesox_template = {
 502         .module                         = THIS_MODULE,
 503         .proc_info                      = eesoxscsi_proc_info,
 504         .name                           = "EESOX SCSI",
 505         .info                           = eesoxscsi_info,
 506         .queuecommand                   = fas216_queue_command,
 507         .eh_host_reset_handler          = fas216_eh_host_reset,
 508         .eh_bus_reset_handler           = fas216_eh_bus_reset,
 509         .eh_device_reset_handler        = fas216_eh_device_reset,
 510         .eh_abort_handler               = fas216_eh_abort,
 511         .can_queue                      = 1,
 512         .this_id                        = 7,
 513         .sg_tablesize                   = SG_ALL,
 514         .cmd_per_lun                    = 1,
 515         .use_clustering                 = DISABLE_CLUSTERING,
 516         .proc_name                      = "eesox",
 517 };
 518
 519 static int __devinit
 520 eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 521 {
 522         struct Scsi_Host *host;
 523         struct eesoxscsi_info *info;
 524         unsigned long resbase, reslen;
 525         void __iomem *base;
 526         int ret;
 527
 528         ret = ecard_request_resources(ec);
 529         if (ret)
 530                 goto out;
 531
 532         resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST);
 533         reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST);
 534         base = ioremap(resbase, reslen);
 535         if (!base) {
 536                 ret = -ENOMEM;
 537                 goto out_region;
 538         }
 539
 540         host = scsi_host_alloc(&eesox_template,
 541                                sizeof(struct eesoxscsi_info));
 542         if (!host) {
 543                 ret = -ENOMEM;
 544                 goto out_unmap;
 545         }
 546
 547         ecard_set_drvdata(ec, host);
 548
 549         info = (struct eesoxscsi_info *)host->hostdata;
 550         info->ec        = ec;
 551         info->base      = base;
 552         info->ctl_port  = base + EESOX_CONTROL;
 553         info->control   = term[ec->slot_no] ? EESOX_TERM_ENABLE : 0;
 554         writeb(info->control, info->ctl_port);
 555
 556         info->info.scsi.io_base         = base + EESOX_FAS216_OFFSET;
 557         info->info.scsi.io_shift        = EESOX_FAS216_SHIFT;
 558         info->info.scsi.irq             = ec->irq;
 559         info->info.scsi.dma             = ec->dma;
 560         info->info.ifcfg.clockrate      = 40; /* MHz */
 561         info->info.ifcfg.select_timeout = 255;
 562         info->info.ifcfg.asyncperiod    = 200; /* ns */
 563         info->info.ifcfg.sync_max_depth = 7;
 564         info->info.ifcfg.cntl3          = CNTL3_FASTSCSI | CNTL3_FASTCLK;
 565         info->info.ifcfg.disconnect_ok  = 1;
 566         info->info.ifcfg.wide_max_size  = 0;
 567         info->info.ifcfg.capabilities   = FASCAP_PSEUDODMA;
 568         info->info.dma.setup            = eesoxscsi_dma_setup;
 569         info->info.dma.pseudo           = eesoxscsi_dma_pseudo;
 570         info->info.dma.stop             = eesoxscsi_dma_stop;
 571
 572         ec->irqaddr     = base + EESOX_DMASTAT;
 573         ec->irqmask     = EESOX_STAT_INTR;
 574         ec->irq_data    = info;
 575         ec->ops         = &eesoxscsi_ops;
 576
 577         device_create_file(&ec->dev, &dev_attr_bus_term);
 578
 579         ret = fas216_init(host);
 580         if (ret)
 581                 goto out_free;
 582
 583         ret = request_irq(ec->irq, eesoxscsi_intr, 0, "eesoxscsi", info);
 584         if (ret) {
 585                 printk("scsi%d: IRQ%d not free: %d\n",
 586                        host->host_no, ec->irq, ret);
 587                 goto out_remove;
 588         }
 589
 590         if (info->info.scsi.dma != NO_DMA) {
 591                 if (request_dma(info->info.scsi.dma, "eesox")) {
 592                         printk("scsi%d: DMA%d not free, DMA disabled\n",
 593                                host->host_no, info->info.scsi.dma);
 594                         info->info.scsi.dma = NO_DMA;
 595                 } else {
 596                         set_dma_speed(info->info.scsi.dma, 180);
 597                         info->info.ifcfg.capabilities |= FASCAP_DMA;
 598                         info->info.ifcfg.cntl3 |= CNTL3_BS8;
 599                 }
 600         }
 601
 602         ret = fas216_add(host, &ec->dev);
 603         if (ret == 0)
 604                 goto out;
 605
 606         if (info->info.scsi.dma != NO_DMA)
 607                 free_dma(info->info.scsi.dma);
 608         free_irq(ec->irq, host);
 609
 610  out_remove:
 611         fas216_remove(host);
 612
 613  out_free:
 614         device_remove_file(&ec->dev, &dev_attr_bus_term);
 615         scsi_host_put(host);
 616
 617  out_unmap:
 618         iounmap(base);
 619
 620  out_region:
 621         ecard_release_resources(ec);
 622
 623  out:
 624         return ret;
 625 }
 626
 627 static void __devexit eesoxscsi_remove(struct expansion_card *ec)
 628 {
 629         struct Scsi_Host *host = ecard_get_drvdata(ec);
 630         struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
 631
 632         ecard_set_drvdata(ec, NULL);
 633         fas216_remove(host);
 634
 635         if (info->info.scsi.dma != NO_DMA)
 636                 free_dma(info->info.scsi.dma);
 637         free_irq(ec->irq, info);
 638
 639         device_remove_file(&ec->dev, &dev_attr_bus_term);
 640
 641         iounmap(info->base);
 642
 643         fas216_release(host);
 644         scsi_host_put(host);
 645         ecard_release_resources(ec);
 646 }
 647
 648 static const struct ecard_id eesoxscsi_cids[] = {
 649         { MANU_EESOX, PROD_EESOX_SCSI2 },
 650         { 0xffff, 0xffff },
 651 };
 652
 653 static struct ecard_driver eesoxscsi_driver = {
 654         .probe          = eesoxscsi_probe,
 655         .remove         = __devexit_p(eesoxscsi_remove),
 656         .id_table       = eesoxscsi_cids,
 657         .drv = {
 658                 .name           = "eesoxscsi",
 659         },
 660 };
 661
 662 static int __init eesox_init(void)
 663 {
 664         return ecard_register_driver(&eesoxscsi_driver);
 665 }
 666
 667 static void __exit eesox_exit(void)
 668 {
 669         ecard_remove_driver(&eesoxscsi_driver);
 670 }
 671
 672 module_init(eesox_init);
 673 module_exit(eesox_exit);
 674
 675 MODULE_AUTHOR("Russell King");
 676 MODULE_DESCRIPTION("EESOX 'Fast' SCSI driver for Acorn machines");
 677 module_param_array(term, int, NULL, 0);
 678 MODULE_PARM_DESC(term, "SCSI bus termination");
 679 MODULE_LICENSE("GPL");