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  * $Id: i82092aa.c,v 1.2 2001/10/23 14:43:34 arjanv Exp $
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/config.h>
  14 #include <linux/module.h>
  15 #include <linux/pci.h>
  16 #include <linux/init.h>
  17 #include <linux/workqueue.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/device.h>
  20
  21 #include <pcmcia/cs_types.h>
  22 #include <pcmcia/ss.h>
  23 #include <pcmcia/cs.h>
  24
  25 #include <asm/system.h>
  26 #include <asm/io.h>
  27
  28 #include "i82092aa.h"
  29 #include "i82365.h"
  30
  31 MODULE_LICENSE("GPL");
  32
  33 /* PCI core routines */
  34 static struct pci_device_id i82092aa_pci_ids[] = {
  35         {
  36               .vendor = PCI_VENDOR_ID_INTEL,
  37               .device = PCI_DEVICE_ID_INTEL_82092AA_0,
  38               .subvendor = PCI_ANY_ID,
  39               .subdevice = PCI_ANY_ID,
  40          },
  41          {}
  42 };
  43 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
  44
  45 static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
  46 {
  47         return pcmcia_socket_dev_suspend(&dev->dev, state);
  48 }
  49
  50 static int i82092aa_socket_resume (struct pci_dev *dev)
  51 {
  52         return pcmcia_socket_dev_resume(&dev->dev);
  53 }
  54
  55 static struct pci_driver i82092aa_pci_drv = {
  56         .name           = "i82092aa",
  57         .id_table       = i82092aa_pci_ids,
  58         .probe          = i82092aa_pci_probe,
  59         .remove         = __devexit_p(i82092aa_pci_remove),
  60         .suspend        = i82092aa_socket_suspend,
  61         .resume         = i82092aa_socket_resume,
  62 };
  63
  64
  65 /* the pccard structure and its functions */
  66 static struct pccard_operations i82092aa_operations = {
  67         .init                   = i82092aa_init,
  68         .get_status             = i82092aa_get_status,
  69         .set_socket             = i82092aa_set_socket,
  70         .set_io_map             = i82092aa_set_io_map,
  71         .set_mem_map            = i82092aa_set_mem_map,
  72 };
  73
  74 /* The card can do upto 4 sockets, allocate a structure for each of them */
  75
  76 struct socket_info {
  77         int     number;
  78         int     card_state;     /*  0 = no socket,
  79                                     1 = empty socket,
  80                                     2 = card but not initialized,
  81                                     3 = operational card */
  82         kio_addr_t io_base;     /* base io address of the socket */
  83
  84         struct pcmcia_socket socket;
  85         struct pci_dev *dev;    /* The PCI device for the socket */
  86 };
  87
  88 #define MAX_SOCKETS 4
  89 static struct socket_info sockets[MAX_SOCKETS];
  90 static int socket_count;  /* shortcut */
  91
  92
  93 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
  94 {
  95         unsigned char configbyte;
  96         int i, ret;
  97
  98         enter("i82092aa_pci_probe");
  99
 100         if ((ret = pci_enable_device(dev)))
 101                 return ret;
 102
 103         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
 104         switch(configbyte&6) {
 105                 case 0:
 106                         socket_count = 2;
 107                         break;
 108                 case 2:
 109                         socket_count = 1;
 110                         break;
 111                 case 4:
 112                 case 6:
 113                         socket_count = 4;
 114                         break;
 115
 116                 default:
 117                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
 118                         ret = -EIO;
 119                         goto err_out_disable;
 120         }
 121         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
 122
 123         if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
 124                 ret = -EBUSY;
 125                 goto err_out_disable;
 126         }
 127
 128         for (i = 0;i<socket_count;i++) {
 129                 sockets[i].card_state = 1; /* 1 = present but empty */
 130                 sockets[i].io_base = pci_resource_start(dev, 0);
 131                 sockets[i].socket.features |= SS_CAP_PCCARD;
 132                 sockets[i].socket.map_size = 0x1000;
 133                 sockets[i].socket.irq_mask = 0;
 134                 sockets[i].socket.pci_irq  = dev->irq;
 135                 sockets[i].socket.owner = THIS_MODULE;
 136
 137                 sockets[i].number = i;
 138
 139                 if (card_present(i)) {
 140                         sockets[i].card_state = 3;
 141                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
 142                 } else {
 143                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
 144                 }
 145         }
 146
 147         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
 148         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
 149         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
 150
 151         /* Register the interrupt handler */
 152         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
 153         if ((ret = request_irq(dev->irq, i82092aa_interrupt, SA_SHIRQ, "i82092aa", i82092aa_interrupt))) {
 154                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
 155                 goto err_out_free_res;
 156         }
 157
 158         pci_set_drvdata(dev, &sockets[i].socket);
 159
 160         for (i = 0; i<socket_count; i++) {
 161                 sockets[i].socket.dev.dev = &dev->dev;
 162                 sockets[i].socket.ops = &i82092aa_operations;
 163                 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
 164                 ret = pcmcia_register_socket(&sockets[i].socket);
 165                 if (ret) {
 166                         goto err_out_free_sockets;
 167                 }
 168         }
 169
 170         leave("i82092aa_pci_probe");
 171         return 0;
 172
 173 err_out_free_sockets:
 174         if (i) {
 175                 for (i--;i>=0;i--) {
 176                         pcmcia_unregister_socket(&sockets[i].socket);
 177                 }
 178         }
 179         free_irq(dev->irq, i82092aa_interrupt);
 180 err_out_free_res:
 181         release_region(pci_resource_start(dev, 0), 2);
 182 err_out_disable:
 183         pci_disable_device(dev);
 184         return ret;
 185 }
 186
 187 static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
 188 {
 189         struct pcmcia_socket *socket = pci_get_drvdata(dev);
 190
 191         enter("i82092aa_pci_remove");
 192
 193         free_irq(dev->irq, i82092aa_interrupt);
 194
 195         if (socket)
 196                 pcmcia_unregister_socket(socket);
 197
 198         leave("i82092aa_pci_remove");
 199 }
 200
 201 static DEFINE_SPINLOCK(port_lock);
 202
 203 /* basic value read/write functions */
 204
 205 static unsigned char indirect_read(int socket, unsigned short reg)
 206 {
 207         unsigned short int port;
 208         unsigned char val;
 209         unsigned long flags;
 210         spin_lock_irqsave(&port_lock,flags);
 211         reg += socket * 0x40;
 212         port = sockets[socket].io_base;
 213         outb(reg,port);
 214         val = inb(port+1);
 215         spin_unlock_irqrestore(&port_lock,flags);
 216         return val;
 217 }
 218
 219 #if 0
 220 static unsigned short indirect_read16(int socket, unsigned short reg)
 221 {
 222         unsigned short int port;
 223         unsigned short tmp;
 224         unsigned long flags;
 225         spin_lock_irqsave(&port_lock,flags);
 226         reg  = reg + socket * 0x40;
 227         port = sockets[socket].io_base;
 228         outb(reg,port);
 229         tmp = inb(port+1);
 230         reg++;
 231         outb(reg,port);
 232         tmp = tmp | (inb(port+1)<<8);
 233         spin_unlock_irqrestore(&port_lock,flags);
 234         return tmp;
 235 }
 236 #endif
 237
 238 static void indirect_write(int socket, unsigned short reg, unsigned char value)
 239 {
 240         unsigned short int port;
 241         unsigned long flags;
 242         spin_lock_irqsave(&port_lock,flags);
 243         reg = reg + socket * 0x40;
 244         port = sockets[socket].io_base;
 245         outb(reg,port);
 246         outb(value,port+1);
 247         spin_unlock_irqrestore(&port_lock,flags);
 248 }
 249
 250 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
 251 {
 252         unsigned short int port;
 253         unsigned char val;
 254         unsigned long flags;
 255         spin_lock_irqsave(&port_lock,flags);
 256         reg = reg + socket * 0x40;
 257         port = sockets[socket].io_base;
 258         outb(reg,port);
 259         val = inb(port+1);
 260         val |= mask;
 261         outb(reg,port);
 262         outb(val,port+1);
 263         spin_unlock_irqrestore(&port_lock,flags);
 264 }
 265
 266
 267 static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
 268 {
 269         unsigned short int port;
 270         unsigned char val;
 271         unsigned long flags;
 272         spin_lock_irqsave(&port_lock,flags);
 273         reg = reg + socket * 0x40;
 274         port = sockets[socket].io_base;
 275         outb(reg,port);
 276         val = inb(port+1);
 277         val &= ~mask;
 278         outb(reg,port);
 279         outb(val,port+1);
 280         spin_unlock_irqrestore(&port_lock,flags);
 281 }
 282
 283 static void indirect_write16(int socket, unsigned short reg, unsigned short value)
 284 {
 285         unsigned short int port;
 286         unsigned char val;
 287         unsigned long flags;
 288         spin_lock_irqsave(&port_lock,flags);
 289         reg = reg + socket * 0x40;
 290         port = sockets[socket].io_base;
 291
 292         outb(reg,port);
 293         val = value & 255;
 294         outb(val,port+1);
 295
 296         reg++;
 297
 298         outb(reg,port);
 299         val = value>>8;
 300         outb(val,port+1);
 301         spin_unlock_irqrestore(&port_lock,flags);
 302 }
 303
 304 /* simple helper functions */
 305 /* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
 306 static int cycle_time = 120;
 307
 308 static int to_cycles(int ns)
 309 {
 310         if (cycle_time!=0)
 311                 return ns/cycle_time;
 312         else
 313                 return 0;
 314 }
 315
 316
 317 /* Interrupt handler functionality */
 318
 319 static irqreturn_t i82092aa_interrupt(int irq, void *dev, struct pt_regs *regs)
 320 {
 321         int i;
 322         int loopcount = 0;
 323         int handled = 0;
 324
 325         unsigned int events, active=0;
 326
 327 /*      enter("i82092aa_interrupt");*/
 328
 329         while (1) {
 330                 loopcount++;
 331                 if (loopcount>20) {
 332                         printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
 333                         break;
 334                 }
 335
 336                 active = 0;
 337
 338                 for (i=0;i<socket_count;i++) {
 339                         int csc;
 340                         if (sockets[i].card_state==0) /* Inactive socket, should not happen */
 341                                 continue;
 342
 343                         csc = indirect_read(i,I365_CSC); /* card status change register */
 344
 345                         if (csc==0)  /* no events on this socket */
 346                                 continue;
 347                         handled = 1;
 348                         events = 0;
 349
 350                         if (csc & I365_CSC_DETECT) {
 351                                 events |= SS_DETECT;
 352                                 printk("Card detected in socket %i!\n",i);
 353                          }
 354
 355                         if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) {
 356                                 /* For IO/CARDS, bit 0 means "read the card" */
 357                                 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
 358                         } else {
 359                                 /* Check for battery/ready events */
 360                                 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
 361                                 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
 362                                 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
 363                         }
 364
 365                         if (events) {
 366                                 pcmcia_parse_events(&sockets[i].socket, events);
 367                         }
 368                         active |= events;
 369                 }
 370
 371                 if (active==0) /* no more events to handle */
 372                         break;
 373
 374         }
 375         return IRQ_RETVAL(handled);
 376 /*      leave("i82092aa_interrupt");*/
 377 }
 378
 379
 380
 381 /* socket functions */
 382
 383 static int card_present(int socketno)
 384 {
 385         unsigned int val;
 386         enter("card_present");
 387
 388         if ((socketno<0) || (socketno >= MAX_SOCKETS))
 389                 return 0;
 390         if (sockets[socketno].io_base == 0)
 391                 return 0;
 392
 393
 394         val = indirect_read(socketno, 1); /* Interface status register */
 395         if ((val&12)==12) {
 396                 leave("card_present 1");
 397                 return 1;
 398         }
 399
 400         leave("card_present 0");
 401         return 0;
 402 }
 403
 404 static void set_bridge_state(int sock)
 405 {
 406         enter("set_bridge_state");
 407         indirect_write(sock, I365_GBLCTL,0x00);
 408         indirect_write(sock, I365_GENCTL,0x00);
 409
 410         indirect_setbit(sock, I365_INTCTL,0x08);
 411         leave("set_bridge_state");
 412 }
 413
 414
 415
 416
 417
 418
 419 static int i82092aa_init(struct pcmcia_socket *sock)
 420 {
 421         int i;
 422         struct resource res = { .start = 0, .end = 0x0fff };
 423         pccard_io_map io = { 0, 0, 0, 0, 1 };
 424         pccard_mem_map mem = { .res = &res, };
 425
 426         enter("i82092aa_init");
 427
 428         for (i = 0; i < 2; i++) {
 429                 io.map = i;
 430                 i82092aa_set_io_map(sock, &io);
 431         }
 432         for (i = 0; i < 5; i++) {
 433                 mem.map = i;
 434                 i82092aa_set_mem_map(sock, &mem);
 435         }
 436
 437         leave("i82092aa_init");
 438         return 0;
 439 }
 440
 441 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 442 {
 443         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 444         unsigned int status;
 445
 446         enter("i82092aa_get_status");
 447
 448         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
 449         *value = 0;
 450
 451         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
 452                 *value |= SS_DETECT;
 453         }
 454
 455         /* IO cards have a different meaning of bits 0,1 */
 456         /* Also notice the inverse-logic on the bits */
 457          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
 458                 /* IO card */
 459                 if (!(status & I365_CS_STSCHG))
 460                         *value |= SS_STSCHG;
 461          } else { /* non I/O card */
 462                 if (!(status & I365_CS_BVD1))
 463                         *value |= SS_BATDEAD;
 464                 if (!(status & I365_CS_BVD2))
 465                         *value |= SS_BATWARN;
 466
 467          }
 468
 469          if (status & I365_CS_WRPROT)
 470                 (*value) |= SS_WRPROT;  /* card is write protected */
 471
 472          if (status & I365_CS_READY)
 473                 (*value) |= SS_READY;    /* card is not busy */
 474
 475          if (status & I365_CS_POWERON)
 476                 (*value) |= SS_POWERON;  /* power is applied to the card */
 477
 478
 479         leave("i82092aa_get_status");
 480         return 0;
 481 }
 482
 483
 484 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
 485 {
 486         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 487         unsigned char reg;
 488
 489         enter("i82092aa_set_socket");
 490
 491         /* First, set the global controller options */
 492
 493         set_bridge_state(sock);
 494
 495         /* Values for the IGENC register */
 496
 497         reg = 0;
 498         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
 499                 reg = reg | I365_PC_RESET;
 500         if (state->flags & SS_IOCARD)
 501                 reg = reg | I365_PC_IOCARD;
 502
 503         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
 504
 505         /* Power registers */
 506
 507         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
 508
 509         if (state->flags & SS_PWR_AUTO) {
 510                 printk("Auto power\n");
 511                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
 512         }
 513         if (state->flags & SS_OUTPUT_ENA) {
 514                 printk("Power Enabled \n");
 515                 reg |= I365_PWR_OUT;    /* enable power */
 516         }
 517
 518         switch (state->Vcc) {
 519                 case 0:
 520                         break;
 521                 case 50:
 522                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
 523                         reg |= I365_VCC_5V;
 524                         break;
 525                 default:
 526                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
 527                         leave("i82092aa_set_socket");
 528                         return -EINVAL;
 529         }
 530
 531
 532         switch (state->Vpp) {
 533                 case 0:
 534                         printk("not setting Vpp on socket %i\n",sock);
 535                         break;
 536                 case 50:
 537                         printk("setting Vpp to 5.0 for socket %i\n",sock);
 538                         reg |= I365_VPP1_5V | I365_VPP2_5V;
 539                         break;
 540                 case 120:
 541                         printk("setting Vpp to 12.0\n");
 542                         reg |= I365_VPP1_12V | I365_VPP2_12V;
 543                         break;
 544                 default:
 545                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
 546                         leave("i82092aa_set_socket");
 547                         return -EINVAL;
 548         }
 549
 550         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
 551                 indirect_write(sock,I365_POWER,reg);
 552
 553         /* Enable specific interrupt events */
 554
 555         reg = 0x00;
 556         if (state->csc_mask & SS_DETECT) {
 557                 reg |= I365_CSC_DETECT;
 558         }
 559         if (state->flags & SS_IOCARD) {
 560                 if (state->csc_mask & SS_STSCHG)
 561                         reg |= I365_CSC_STSCHG;
 562         } else {
 563                 if (state->csc_mask & SS_BATDEAD)
 564                         reg |= I365_CSC_BVD1;
 565                 if (state->csc_mask & SS_BATWARN)
 566                         reg |= I365_CSC_BVD2;
 567                 if (state->csc_mask & SS_READY)
 568                         reg |= I365_CSC_READY;
 569
 570         }
 571
 572         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
 573
 574         indirect_write(sock,I365_CSCINT,reg);
 575         (void)indirect_read(sock,I365_CSC);
 576
 577         leave("i82092aa_set_socket");
 578         return 0;
 579 }
 580
 581 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
 582 {
 583         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 584         unsigned char map, ioctl;
 585
 586         enter("i82092aa_set_io_map");
 587
 588         map = io->map;
 589
 590         /* Check error conditions */
 591         if (map > 1) {
 592                 leave("i82092aa_set_io_map with invalid map");
 593                 return -EINVAL;
 594         }
 595         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
 596                 leave("i82092aa_set_io_map with invalid io");
 597                 return -EINVAL;
 598         }
 599
 600         /* Turn off the window before changing anything */
 601         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
 602                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
 603
 604 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
 605
 606         /* write the new values */
 607         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
 608         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
 609
 610         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
 611
 612         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
 613                 ioctl |= I365_IOCTL_16BIT(map);
 614
 615         indirect_write(sock,I365_IOCTL,ioctl);
 616
 617         /* Turn the window back on if needed */
 618         if (io->flags & MAP_ACTIVE)
 619                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
 620
 621         leave("i82092aa_set_io_map");
 622         return 0;
 623 }
 624
 625 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
 626 {
 627         struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
 628         unsigned int sock = sock_info->number;
 629         struct pci_bus_region region;
 630         unsigned short base, i;
 631         unsigned char map;
 632
 633         enter("i82092aa_set_mem_map");
 634
 635         pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
 636
 637         map = mem->map;
 638         if (map > 4) {
 639                 leave("i82092aa_set_mem_map: invalid map");
 640                 return -EINVAL;
 641         }
 642
 643
 644         if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
 645              (mem->speed > 1000) ) {
 646                 leave("i82092aa_set_mem_map: invalid address / speed");
 647                 printk("invalid mem map for socket %i : %lx to %lx with a start of %x \n",sock,region.start, region.end, mem->card_start);
 648                 return -EINVAL;
 649         }
 650
 651         /* Turn off the window before changing anything */
 652         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
 653                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 654
 655
 656 /*      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);  */
 657
 658         /* write the start address */
 659         base = I365_MEM(map);
 660         i = (region.start >> 12) & 0x0fff;
 661         if (mem->flags & MAP_16BIT)
 662                 i |= I365_MEM_16BIT;
 663         if (mem->flags & MAP_0WS)
 664                 i |= I365_MEM_0WS;
 665         indirect_write16(sock,base+I365_W_START,i);
 666
 667         /* write the stop address */
 668
 669         i= (region.end >> 12) & 0x0fff;
 670         switch (to_cycles(mem->speed)) {
 671                 case 0:
 672                         break;
 673                 case 1:
 674                         i |= I365_MEM_WS0;
 675                         break;
 676                 case 2:
 677                         i |= I365_MEM_WS1;
 678                         break;
 679                 default:
 680                         i |= I365_MEM_WS1 | I365_MEM_WS0;
 681                         break;
 682         }
 683
 684         indirect_write16(sock,base+I365_W_STOP,i);
 685
 686         /* card start */
 687
 688         i = ((mem->card_start - region.start) >> 12) & 0x3fff;
 689         if (mem->flags & MAP_WRPROT)
 690                 i |= I365_MEM_WRPROT;
 691         if (mem->flags & MAP_ATTRIB) {
 692 /*              printk("requesting attribute memory for socket %i\n",sock);*/
 693                 i |= I365_MEM_REG;
 694         } else {
 695 /*              printk("requesting normal memory for socket %i\n",sock);*/
 696         }
 697         indirect_write16(sock,base+I365_W_OFF,i);
 698
 699         /* Enable the window if necessary */
 700         if (mem->flags & MAP_ACTIVE)
 701                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 702
 703         leave("i82092aa_set_mem_map");
 704         return 0;
 705 }
 706
 707 static int i82092aa_module_init(void)
 708 {
 709         enter("i82092aa_module_init");
 710         pci_register_driver(&i82092aa_pci_drv);
 711         leave("i82092aa_module_init");
 712         return 0;
 713 }
 714
 715 static void i82092aa_module_exit(void)
 716 {
 717         enter("i82092aa_module_exit");
 718         pci_unregister_driver(&i82092aa_pci_drv);
 719         if (sockets[0].io_base>0)
 720                          release_region(sockets[0].io_base, 2);
 721         leave("i82092aa_module_exit");
 722 }
 723
 724 module_init(i82092aa_module_init);
 725 module_exit(i82092aa_module_exit);
 726