drivers/pcmcia/i82092.c

   1 /*
   2  * Driver for Intel I82092AA PCI-PCMCIA bridge.
   3  *
   4  * (C) 2001 Red Hat, Inc.
   5  *
   6  * Author: Arjan Van De Ven <arjanv@redhat.com>
   7  * Loosly based on i82365.c from the pcmcia-cs package
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/module.h>
  12 #include <linux/pci.h>
  13 #include <linux/init.h>
  14 #include <linux/workqueue.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/device.h>
  17
  18 #include <pcmcia/cs_types.h>
  19 #include <pcmcia/ss.h>
  20 #include <pcmcia/cs.h>
  21
  22 #include <asm/system.h>
  23 #include <asm/io.h>
  24
  25 #include "i82092aa.h"
  26 #include "i82365.h"
  27
  28 MODULE_LICENSE("GPL");
  29
  30 /* PCI core routines */
  31 static struct pci_device_id i82092aa_pci_ids[] = {
  32         {
  33               .vendor = PCI_VENDOR_ID_INTEL,
  34               .device = PCI_DEVICE_ID_INTEL_82092AA_0,
  35               .subvendor = PCI_ANY_ID,
  36               .subdevice = PCI_ANY_ID,
  37          },
  38          {}
  39 };
  40 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
  41
  42 static struct pci_driver i82092aa_pci_driver = {
  43         .name           = "i82092aa",
  44         .id_table       = i82092aa_pci_ids,
  45         .probe          = i82092aa_pci_probe,
  46         .remove         = __devexit_p(i82092aa_pci_remove),
  47 };
  48
  49
  50 /* the pccard structure and its functions */
  51 static struct pccard_operations i82092aa_operations = {
  52         .init                   = i82092aa_init,
  53         .get_status             = i82092aa_get_status,
  54         .set_socket             = i82092aa_set_socket,
  55         .set_io_map             = i82092aa_set_io_map,
  56         .set_mem_map            = i82092aa_set_mem_map,
  57 };
  58
  59 /* The card can do upto 4 sockets, allocate a structure for each of them */
  60
  61 struct socket_info {
  62         int     number;
  63         int     card_state;     /*  0 = no socket,
  64                                     1 = empty socket,
  65                                     2 = card but not initialized,
  66                                     3 = operational card */
  67         unsigned int io_base;   /* base io address of the socket */
  68
  69         struct pcmcia_socket socket;
  70         struct pci_dev *dev;    /* The PCI device for the socket */
  71 };
  72
  73 #define MAX_SOCKETS 4
  74 static struct socket_info sockets[MAX_SOCKETS];
  75 static int socket_count;  /* shortcut */
  76
  77
  78 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
  79 {
  80         unsigned char configbyte;
  81         int i, ret;
  82
  83         enter("i82092aa_pci_probe");
  84
  85         if ((ret = pci_enable_device(dev)))
  86                 return ret;
  87
  88         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
  89         switch(configbyte&6) {
  90                 case 0:
  91                         socket_count = 2;
  92                         break;
  93                 case 2:
  94                         socket_count = 1;
  95                         break;
  96                 case 4:
  97                 case 6:
  98                         socket_count = 4;
  99                         break;
 100
 101                 default:
 102                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
 103                         ret = -EIO;
 104                         goto err_out_disable;
 105         }
 106         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
 107
 108         if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
 109                 ret = -EBUSY;
 110                 goto err_out_disable;
 111         }
 112
 113         for (i = 0;i<socket_count;i++) {
 114                 sockets[i].card_state = 1; /* 1 = present but empty */
 115                 sockets[i].io_base = pci_resource_start(dev, 0);
 116                 sockets[i].socket.features |= SS_CAP_PCCARD;
 117                 sockets[i].socket.map_size = 0x1000;
 118                 sockets[i].socket.irq_mask = 0;
 119                 sockets[i].socket.pci_irq  = dev->irq;
 120                 sockets[i].socket.cb_dev  = dev;
 121                 sockets[i].socket.owner = THIS_MODULE;
 122
 123                 sockets[i].number = i;
 124
 125                 if (card_present(i)) {
 126                         sockets[i].card_state = 3;
 127                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
 128                 } else {
 129                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
 130                 }
 131         }
 132
 133         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
 134         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
 135         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
 136
 137         /* Register the interrupt handler */
 138         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
 139         if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
 140                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
 141                 goto err_out_free_res;
 142         }
 143
 144         pci_set_drvdata(dev, &sockets[i].socket);
 145
 146         for (i = 0; i<socket_count; i++) {
 147                 sockets[i].socket.dev.parent = &dev->dev;
 148                 sockets[i].socket.ops = &i82092aa_operations;
 149                 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
 150                 ret = pcmcia_register_socket(&sockets[i].socket);
 151                 if (ret) {
 152                         goto err_out_free_sockets;
 153                 }
 154         }
 155
 156         leave("i82092aa_pci_probe");
 157         return 0;
 158
 159 err_out_free_sockets:
 160         if (i) {
 161                 for (i--;i>=0;i--) {
 162                         pcmcia_unregister_socket(&sockets[i].socket);
 163                 }
 164         }
 165         free_irq(dev->irq, i82092aa_interrupt);
 166 err_out_free_res:
 167         release_region(pci_resource_start(dev, 0), 2);
 168 err_out_disable:
 169         pci_disable_device(dev);
 170         return ret;
 171 }
 172
 173 static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
 174 {
 175         struct pcmcia_socket *socket = pci_get_drvdata(dev);
 176
 177         enter("i82092aa_pci_remove");
 178
 179         free_irq(dev->irq, i82092aa_interrupt);
 180
 181         if (socket)
 182                 pcmcia_unregister_socket(socket);
 183
 184         leave("i82092aa_pci_remove");
 185 }
 186
 187 static DEFINE_SPINLOCK(port_lock);
 188
 189 /* basic value read/write functions */
 190
 191 static unsigned char indirect_read(int socket, unsigned short reg)
 192 {
 193         unsigned short int port;
 194         unsigned char val;
 195         unsigned long flags;
 196         spin_lock_irqsave(&port_lock,flags);
 197         reg += socket * 0x40;
 198         port = sockets[socket].io_base;
 199         outb(reg,port);
 200         val = inb(port+1);
 201         spin_unlock_irqrestore(&port_lock,flags);
 202         return val;
 203 }
 204
 205 #if 0
 206 static unsigned short indirect_read16(int socket, unsigned short reg)
 207 {
 208         unsigned short int port;
 209         unsigned short tmp;
 210         unsigned long flags;
 211         spin_lock_irqsave(&port_lock,flags);
 212         reg  = reg + socket * 0x40;
 213         port = sockets[socket].io_base;
 214         outb(reg,port);
 215         tmp = inb(port+1);
 216         reg++;
 217         outb(reg,port);
 218         tmp = tmp | (inb(port+1)<<8);
 219         spin_unlock_irqrestore(&port_lock,flags);
 220         return tmp;
 221 }
 222 #endif
 223
 224 static void indirect_write(int socket, unsigned short reg, unsigned char value)
 225 {
 226         unsigned short int port;
 227         unsigned long flags;
 228         spin_lock_irqsave(&port_lock,flags);
 229         reg = reg + socket * 0x40;
 230         port = sockets[socket].io_base;
 231         outb(reg,port);
 232         outb(value,port+1);
 233         spin_unlock_irqrestore(&port_lock,flags);
 234 }
 235
 236 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
 237 {
 238         unsigned short int port;
 239         unsigned char val;
 240         unsigned long flags;
 241         spin_lock_irqsave(&port_lock,flags);
 242         reg = reg + socket * 0x40;
 243         port = sockets[socket].io_base;
 244         outb(reg,port);
 245         val = inb(port+1);
 246         val |= mask;
 247         outb(reg,port);
 248         outb(val,port+1);
 249         spin_unlock_irqrestore(&port_lock,flags);
 250 }
 251
 252
 253 static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
 254 {
 255         unsigned short int port;
 256         unsigned char val;
 257         unsigned long flags;
 258         spin_lock_irqsave(&port_lock,flags);
 259         reg = reg + socket * 0x40;
 260         port = sockets[socket].io_base;
 261         outb(reg,port);
 262         val = inb(port+1);
 263         val &= ~mask;
 264         outb(reg,port);
 265         outb(val,port+1);
 266         spin_unlock_irqrestore(&port_lock,flags);
 267 }
 268
 269 static void indirect_write16(int socket, unsigned short reg, unsigned short value)
 270 {
 271         unsigned short int port;
 272         unsigned char val;
 273         unsigned long flags;
 274         spin_lock_irqsave(&port_lock,flags);
 275         reg = reg + socket * 0x40;
 276         port = sockets[socket].io_base;
 277
 278         outb(reg,port);
 279         val = value & 255;
 280         outb(val,port+1);
 281
 282         reg++;
 283
 284         outb(reg,port);
 285         val = value>>8;
 286         outb(val,port+1);
 287         spin_unlock_irqrestore(&port_lock,flags);
 288 }
 289
 290 /* simple helper functions */
 291 /* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
 292 static int cycle_time = 120;
 293
 294 static int to_cycles(int ns)
 295 {
 296         if (cycle_time!=0)
 297                 return ns/cycle_time;
 298         else
 299                 return 0;
 300 }
 301
 302
 303 /* Interrupt handler functionality */
 304
 305 static irqreturn_t i82092aa_interrupt(int irq, void *dev)
 306 {
 307         int i;
 308         int loopcount = 0;
 309         int handled = 0;
 310
 311         unsigned int events, active=0;
 312
 313 /*      enter("i82092aa_interrupt");*/
 314
 315         while (1) {
 316                 loopcount++;
 317                 if (loopcount>20) {
 318                         printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
 319                         break;
 320                 }
 321
 322                 active = 0;
 323
 324                 for (i=0;i<socket_count;i++) {
 325                         int csc;
 326                         if (sockets[i].card_state==0) /* Inactive socket, should not happen */
 327                                 continue;
 328
 329                         csc = indirect_read(i,I365_CSC); /* card status change register */
 330
 331                         if (csc==0)  /* no events on this socket */
 332                                 continue;
 333                         handled = 1;
 334                         events = 0;
 335
 336                         if (csc & I365_CSC_DETECT) {
 337                                 events |= SS_DETECT;
 338                                 printk("Card detected in socket %i!\n",i);
 339                          }
 340
 341                         if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) {
 342                                 /* For IO/CARDS, bit 0 means "read the card" */
 343                                 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
 344                         } else {
 345                                 /* Check for battery/ready events */
 346                                 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
 347                                 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
 348                                 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
 349                         }
 350
 351                         if (events) {
 352                                 pcmcia_parse_events(&sockets[i].socket, events);
 353                         }
 354                         active |= events;
 355                 }
 356
 357                 if (active==0) /* no more events to handle */
 358                         break;
 359
 360         }
 361         return IRQ_RETVAL(handled);
 362 /*      leave("i82092aa_interrupt");*/
 363 }
 364
 365
 366
 367 /* socket functions */
 368
 369 static int card_present(int socketno)
 370 {
 371         unsigned int val;
 372         enter("card_present");
 373
 374         if ((socketno<0) || (socketno >= MAX_SOCKETS))
 375                 return 0;
 376         if (sockets[socketno].io_base == 0)
 377                 return 0;
 378
 379
 380         val = indirect_read(socketno, 1); /* Interface status register */
 381         if ((val&12)==12) {
 382                 leave("card_present 1");
 383                 return 1;
 384         }
 385
 386         leave("card_present 0");
 387         return 0;
 388 }
 389
 390 static void set_bridge_state(int sock)
 391 {
 392         enter("set_bridge_state");
 393         indirect_write(sock, I365_GBLCTL,0x00);
 394         indirect_write(sock, I365_GENCTL,0x00);
 395
 396         indirect_setbit(sock, I365_INTCTL,0x08);
 397         leave("set_bridge_state");
 398 }
 399
 400
 401
 402
 403
 404
 405 static int i82092aa_init(struct pcmcia_socket *sock)
 406 {
 407         int i;
 408         struct resource res = { .start = 0, .end = 0x0fff };
 409         pccard_io_map io = { 0, 0, 0, 0, 1 };
 410         pccard_mem_map mem = { .res = &res, };
 411
 412         enter("i82092aa_init");
 413
 414         for (i = 0; i < 2; i++) {
 415                 io.map = i;
 416                 i82092aa_set_io_map(sock, &io);
 417         }
 418         for (i = 0; i < 5; i++) {
 419                 mem.map = i;
 420                 i82092aa_set_mem_map(sock, &mem);
 421         }
 422
 423         leave("i82092aa_init");
 424         return 0;
 425 }
 426
 427 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 428 {
 429         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 430         unsigned int status;
 431
 432         enter("i82092aa_get_status");
 433
 434         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
 435         *value = 0;
 436
 437         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
 438                 *value |= SS_DETECT;
 439         }
 440
 441         /* IO cards have a different meaning of bits 0,1 */
 442         /* Also notice the inverse-logic on the bits */
 443          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
 444                 /* IO card */
 445                 if (!(status & I365_CS_STSCHG))
 446                         *value |= SS_STSCHG;
 447          } else { /* non I/O card */
 448                 if (!(status & I365_CS_BVD1))
 449                         *value |= SS_BATDEAD;
 450                 if (!(status & I365_CS_BVD2))
 451                         *value |= SS_BATWARN;
 452
 453          }
 454
 455          if (status & I365_CS_WRPROT)
 456                 (*value) |= SS_WRPROT;  /* card is write protected */
 457
 458          if (status & I365_CS_READY)
 459                 (*value) |= SS_READY;    /* card is not busy */
 460
 461          if (status & I365_CS_POWERON)
 462                 (*value) |= SS_POWERON;  /* power is applied to the card */
 463
 464
 465         leave("i82092aa_get_status");
 466         return 0;
 467 }
 468
 469
 470 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
 471 {
 472         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 473         unsigned char reg;
 474
 475         enter("i82092aa_set_socket");
 476
 477         /* First, set the global controller options */
 478
 479         set_bridge_state(sock);
 480
 481         /* Values for the IGENC register */
 482
 483         reg = 0;
 484         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
 485                 reg = reg | I365_PC_RESET;
 486         if (state->flags & SS_IOCARD)
 487                 reg = reg | I365_PC_IOCARD;
 488
 489         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
 490
 491         /* Power registers */
 492
 493         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
 494
 495         if (state->flags & SS_PWR_AUTO) {
 496                 printk("Auto power\n");
 497                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
 498         }
 499         if (state->flags & SS_OUTPUT_ENA) {
 500                 printk("Power Enabled \n");
 501                 reg |= I365_PWR_OUT;    /* enable power */
 502         }
 503
 504         switch (state->Vcc) {
 505                 case 0:
 506                         break;
 507                 case 50:
 508                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
 509                         reg |= I365_VCC_5V;
 510                         break;
 511                 default:
 512                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
 513                         leave("i82092aa_set_socket");
 514                         return -EINVAL;
 515         }
 516
 517
 518         switch (state->Vpp) {
 519                 case 0:
 520                         printk("not setting Vpp on socket %i\n",sock);
 521                         break;
 522                 case 50:
 523                         printk("setting Vpp to 5.0 for socket %i\n",sock);
 524                         reg |= I365_VPP1_5V | I365_VPP2_5V;
 525                         break;
 526                 case 120:
 527                         printk("setting Vpp to 12.0\n");
 528                         reg |= I365_VPP1_12V | I365_VPP2_12V;
 529                         break;
 530                 default:
 531                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
 532                         leave("i82092aa_set_socket");
 533                         return -EINVAL;
 534         }
 535
 536         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
 537                 indirect_write(sock,I365_POWER,reg);
 538
 539         /* Enable specific interrupt events */
 540
 541         reg = 0x00;
 542         if (state->csc_mask & SS_DETECT) {
 543                 reg |= I365_CSC_DETECT;
 544         }
 545         if (state->flags & SS_IOCARD) {
 546                 if (state->csc_mask & SS_STSCHG)
 547                         reg |= I365_CSC_STSCHG;
 548         } else {
 549                 if (state->csc_mask & SS_BATDEAD)
 550                         reg |= I365_CSC_BVD1;
 551                 if (state->csc_mask & SS_BATWARN)
 552                         reg |= I365_CSC_BVD2;
 553                 if (state->csc_mask & SS_READY)
 554                         reg |= I365_CSC_READY;
 555
 556         }
 557
 558         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
 559
 560         indirect_write(sock,I365_CSCINT,reg);
 561         (void)indirect_read(sock,I365_CSC);
 562
 563         leave("i82092aa_set_socket");
 564         return 0;
 565 }
 566
 567 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
 568 {
 569         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 570         unsigned char map, ioctl;
 571
 572         enter("i82092aa_set_io_map");
 573
 574         map = io->map;
 575
 576         /* Check error conditions */
 577         if (map > 1) {
 578                 leave("i82092aa_set_io_map with invalid map");
 579                 return -EINVAL;
 580         }
 581         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
 582                 leave("i82092aa_set_io_map with invalid io");
 583                 return -EINVAL;
 584         }
 585
 586         /* Turn off the window before changing anything */
 587         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
 588                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
 589
 590 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
 591
 592         /* write the new values */
 593         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
 594         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
 595
 596         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
 597
 598         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
 599                 ioctl |= I365_IOCTL_16BIT(map);
 600
 601         indirect_write(sock,I365_IOCTL,ioctl);
 602
 603         /* Turn the window back on if needed */
 604         if (io->flags & MAP_ACTIVE)
 605                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
 606
 607         leave("i82092aa_set_io_map");
 608         return 0;
 609 }
 610
 611 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
 612 {
 613         struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
 614         unsigned int sock = sock_info->number;
 615         struct pci_bus_region region;
 616         unsigned short base, i;
 617         unsigned char map;
 618
 619         enter("i82092aa_set_mem_map");
 620
 621         pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
 622
 623         map = mem->map;
 624         if (map > 4) {
 625                 leave("i82092aa_set_mem_map: invalid map");
 626                 return -EINVAL;
 627         }
 628
 629
 630         if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
 631              (mem->speed > 1000) ) {
 632                 leave("i82092aa_set_mem_map: invalid address / speed");
 633                 printk("invalid mem map for socket %i: %llx to %llx with a "
 634                         "start of %x\n",
 635                         sock,
 636                         (unsigned long long)region.start,
 637                         (unsigned long long)region.end,
 638                         mem->card_start);
 639                 return -EINVAL;
 640         }
 641
 642         /* Turn off the window before changing anything */
 643         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
 644                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 645
 646
 647 /*      printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, region.start,region.end,sock,mem->speed,mem->flags & MAP_ACTIVE);  */
 648
 649         /* write the start address */
 650         base = I365_MEM(map);
 651         i = (region.start >> 12) & 0x0fff;
 652         if (mem->flags & MAP_16BIT)
 653                 i |= I365_MEM_16BIT;
 654         if (mem->flags & MAP_0WS)
 655                 i |= I365_MEM_0WS;
 656         indirect_write16(sock,base+I365_W_START,i);
 657
 658         /* write the stop address */
 659
 660         i= (region.end >> 12) & 0x0fff;
 661         switch (to_cycles(mem->speed)) {
 662                 case 0:
 663                         break;
 664                 case 1:
 665                         i |= I365_MEM_WS0;
 666                         break;
 667                 case 2:
 668                         i |= I365_MEM_WS1;
 669                         break;
 670                 default:
 671                         i |= I365_MEM_WS1 | I365_MEM_WS0;
 672                         break;
 673         }
 674
 675         indirect_write16(sock,base+I365_W_STOP,i);
 676
 677         /* card start */
 678
 679         i = ((mem->card_start - region.start) >> 12) & 0x3fff;
 680         if (mem->flags & MAP_WRPROT)
 681                 i |= I365_MEM_WRPROT;
 682         if (mem->flags & MAP_ATTRIB) {
 683 /*              printk("requesting attribute memory for socket %i\n",sock);*/
 684                 i |= I365_MEM_REG;
 685         } else {
 686 /*              printk("requesting normal memory for socket %i\n",sock);*/
 687         }
 688         indirect_write16(sock,base+I365_W_OFF,i);
 689
 690         /* Enable the window if necessary */
 691         if (mem->flags & MAP_ACTIVE)
 692                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 693
 694         leave("i82092aa_set_mem_map");
 695         return 0;
 696 }
 697
 698 static int i82092aa_module_init(void)
 699 {
 700         return pci_register_driver(&i82092aa_pci_driver);
 701 }
 702
 703 static void i82092aa_module_exit(void)
 704 {
 705         enter("i82092aa_module_exit");
 706         pci_unregister_driver(&i82092aa_pci_driver);
 707         if (sockets[0].io_base>0)
 708                          release_region(sockets[0].io_base, 2);
 709         leave("i82092aa_module_exit");
 710 }
 711
 712 module_init(i82092aa_module_init);
 713 module_exit(i82092aa_module_exit);
 714