err.no Git - linux-2.6/blob - 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 #ifdef CONFIG_PM
  43 static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
  44 {
  45         return pcmcia_socket_dev_suspend(&dev->dev, state);
  46 }
  47
  48 static int i82092aa_socket_resume (struct pci_dev *dev)
  49 {
  50         return pcmcia_socket_dev_resume(&dev->dev);
  51 }
  52 #endif
  53
  54 static struct pci_driver i82092aa_pci_driver = {
  55         .name           = "i82092aa",
  56         .id_table       = i82092aa_pci_ids,
  57         .probe          = i82092aa_pci_probe,
  58         .remove         = __devexit_p(i82092aa_pci_remove),
  59 #ifdef CONFIG_PM
  60         .suspend        = i82092aa_socket_suspend,
  61         .resume         = i82092aa_socket_resume,
  62 #endif
  63 };
  64
  65
  66 /* the pccard structure and its functions */
  67 static struct pccard_operations i82092aa_operations = {
  68         .init                   = i82092aa_init,
  69         .get_status             = i82092aa_get_status,
  70         .set_socket             = i82092aa_set_socket,
  71         .set_io_map             = i82092aa_set_io_map,
  72         .set_mem_map            = i82092aa_set_mem_map,
  73 };
  74
  75 /* The card can do upto 4 sockets, allocate a structure for each of them */
  76
  77 struct socket_info {
  78         int     number;
  79         int     card_state;     /*  0 = no socket,
  80                                     1 = empty socket,
  81                                     2 = card but not initialized,
  82                                     3 = operational card */
  83         unsigned int io_base;   /* base io address of the socket */
  84
  85         struct pcmcia_socket socket;
  86         struct pci_dev *dev;    /* The PCI device for the socket */
  87 };
  88
  89 #define MAX_SOCKETS 4
  90 static struct socket_info sockets[MAX_SOCKETS];
  91 static int socket_count;  /* shortcut */
  92
  93
  94 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
  95 {
  96         unsigned char configbyte;
  97         int i, ret;
  98
  99         enter("i82092aa_pci_probe");
 100
 101         if ((ret = pci_enable_device(dev)))
 102                 return ret;
 103
 104         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
 105         switch(configbyte&6) {
 106                 case 0:
 107                         socket_count = 2;
 108                         break;
 109                 case 2:
 110                         socket_count = 1;
 111                         break;
 112                 case 4:
 113                 case 6:
 114                         socket_count = 4;
 115                         break;
 116
 117                 default:
 118                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
 119                         ret = -EIO;
 120                         goto err_out_disable;
 121         }
 122         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
 123
 124         if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
 125                 ret = -EBUSY;
 126                 goto err_out_disable;
 127         }
 128
 129         for (i = 0;i<socket_count;i++) {
 130                 sockets[i].card_state = 1; /* 1 = present but empty */
 131                 sockets[i].io_base = pci_resource_start(dev, 0);
 132                 sockets[i].socket.features |= SS_CAP_PCCARD;
 133                 sockets[i].socket.map_size = 0x1000;
 134                 sockets[i].socket.irq_mask = 0;
 135                 sockets[i].socket.pci_irq  = dev->irq;
 136                 sockets[i].socket.owner = THIS_MODULE;
 137
 138                 sockets[i].number = i;
 139
 140                 if (card_present(i)) {
 141                         sockets[i].card_state = 3;
 142                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
 143                 } else {
 144                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
 145                 }
 146         }
 147
 148         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
 149         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
 150         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
 151
 152         /* Register the interrupt handler */
 153         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
 154         if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
 155                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
 156                 goto err_out_free_res;
 157         }
 158
 159         pci_set_drvdata(dev, &sockets[i].socket);
 160
 161         for (i = 0; i<socket_count; i++) {
 162                 sockets[i].socket.dev.parent = &dev->dev;
 163                 sockets[i].socket.ops = &i82092aa_operations;
 164                 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
 165                 ret = pcmcia_register_socket(&sockets[i].socket);
 166                 if (ret) {
 167                         goto err_out_free_sockets;
 168                 }
 169         }
 170
 171         leave("i82092aa_pci_probe");
 172         return 0;
 173
 174 err_out_free_sockets:
 175         if (i) {
 176                 for (i--;i>=0;i--) {
 177                         pcmcia_unregister_socket(&sockets[i].socket);
 178                 }
 179         }
 180         free_irq(dev->irq, i82092aa_interrupt);
 181 err_out_free_res:
 182         release_region(pci_resource_start(dev, 0), 2);
 183 err_out_disable:
 184         pci_disable_device(dev);
 185         return ret;
 186 }
 187
 188 static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
 189 {
 190         struct pcmcia_socket *socket = pci_get_drvdata(dev);
 191
 192         enter("i82092aa_pci_remove");
 193
 194         free_irq(dev->irq, i82092aa_interrupt);
 195
 196         if (socket)
 197                 pcmcia_unregister_socket(socket);
 198
 199         leave("i82092aa_pci_remove");
 200 }
 201
 202 static DEFINE_SPINLOCK(port_lock);
 203
 204 /* basic value read/write functions */
 205
 206 static unsigned char indirect_read(int socket, unsigned short reg)
 207 {
 208         unsigned short int port;
 209         unsigned char val;
 210         unsigned long flags;
 211         spin_lock_irqsave(&port_lock,flags);
 212         reg += socket * 0x40;
 213         port = sockets[socket].io_base;
 214         outb(reg,port);
 215         val = inb(port+1);
 216         spin_unlock_irqrestore(&port_lock,flags);
 217         return val;
 218 }
 219
 220 #if 0
 221 static unsigned short indirect_read16(int socket, unsigned short reg)
 222 {
 223         unsigned short int port;
 224         unsigned short tmp;
 225         unsigned long flags;
 226         spin_lock_irqsave(&port_lock,flags);
 227         reg  = reg + socket * 0x40;
 228         port = sockets[socket].io_base;
 229         outb(reg,port);
 230         tmp = inb(port+1);
 231         reg++;
 232         outb(reg,port);
 233         tmp = tmp | (inb(port+1)<<8);
 234         spin_unlock_irqrestore(&port_lock,flags);
 235         return tmp;
 236 }
 237 #endif
 238
 239 static void indirect_write(int socket, unsigned short reg, unsigned char value)
 240 {
 241         unsigned short int port;
 242         unsigned long flags;
 243         spin_lock_irqsave(&port_lock,flags);
 244         reg = reg + socket * 0x40;
 245         port = sockets[socket].io_base;
 246         outb(reg,port);
 247         outb(value,port+1);
 248         spin_unlock_irqrestore(&port_lock,flags);
 249 }
 250
 251 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
 252 {
 253         unsigned short int port;
 254         unsigned char val;
 255         unsigned long flags;
 256         spin_lock_irqsave(&port_lock,flags);
 257         reg = reg + socket * 0x40;
 258         port = sockets[socket].io_base;
 259         outb(reg,port);
 260         val = inb(port+1);
 261         val |= mask;
 262         outb(reg,port);
 263         outb(val,port+1);
 264         spin_unlock_irqrestore(&port_lock,flags);
 265 }
 266
 267
 268 static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
 269 {
 270         unsigned short int port;
 271         unsigned char val;
 272         unsigned long flags;
 273         spin_lock_irqsave(&port_lock,flags);
 274         reg = reg + socket * 0x40;
 275         port = sockets[socket].io_base;
 276         outb(reg,port);
 277         val = inb(port+1);
 278         val &= ~mask;
 279         outb(reg,port);
 280         outb(val,port+1);
 281         spin_unlock_irqrestore(&port_lock,flags);
 282 }
 283
 284 static void indirect_write16(int socket, unsigned short reg, unsigned short value)
 285 {
 286         unsigned short int port;
 287         unsigned char val;
 288         unsigned long flags;
 289         spin_lock_irqsave(&port_lock,flags);
 290         reg = reg + socket * 0x40;
 291         port = sockets[socket].io_base;
 292
 293         outb(reg,port);
 294         val = value & 255;
 295         outb(val,port+1);
 296
 297         reg++;
 298
 299         outb(reg,port);
 300         val = value>>8;
 301         outb(val,port+1);
 302         spin_unlock_irqrestore(&port_lock,flags);
 303 }
 304
 305 /* simple helper functions */
 306 /* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
 307 static int cycle_time = 120;
 308
 309 static int to_cycles(int ns)
 310 {
 311         if (cycle_time!=0)
 312                 return ns/cycle_time;
 313         else
 314                 return 0;
 315 }
 316
 317
 318 /* Interrupt handler functionality */
 319
 320 static irqreturn_t i82092aa_interrupt(int irq, void *dev)
 321 {
 322         int i;
 323         int loopcount = 0;
 324         int handled = 0;
 325
 326         unsigned int events, active=0;
 327
 328 /*      enter("i82092aa_interrupt");*/
 329
 330         while (1) {
 331                 loopcount++;
 332                 if (loopcount>20) {
 333                         printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
 334                         break;
 335                 }
 336
 337                 active = 0;
 338
 339                 for (i=0;i<socket_count;i++) {
 340                         int csc;
 341                         if (sockets[i].card_state==0) /* Inactive socket, should not happen */
 342                                 continue;
 343
 344                         csc = indirect_read(i,I365_CSC); /* card status change register */
 345
 346                         if (csc==0)  /* no events on this socket */
 347                                 continue;
 348                         handled = 1;
 349                         events = 0;
 350
 351                         if (csc & I365_CSC_DETECT) {
 352                                 events |= SS_DETECT;
 353                                 printk("Card detected in socket %i!\n",i);
 354                          }
 355
 356                         if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) {
 357                                 /* For IO/CARDS, bit 0 means "read the card" */
 358                                 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
 359                         } else {
 360                                 /* Check for battery/ready events */
 361                                 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
 362                                 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
 363                                 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
 364                         }
 365
 366                         if (events) {
 367                                 pcmcia_parse_events(&sockets[i].socket, events);
 368                         }
 369                         active |= events;
 370                 }
 371
 372                 if (active==0) /* no more events to handle */
 373                         break;
 374
 375         }
 376         return IRQ_RETVAL(handled);
 377 /*      leave("i82092aa_interrupt");*/
 378 }
 379
 380
 381
 382 /* socket functions */
 383
 384 static int card_present(int socketno)
 385 {
 386         unsigned int val;
 387         enter("card_present");
 388
 389         if ((socketno<0) || (socketno >= MAX_SOCKETS))
 390                 return 0;
 391         if (sockets[socketno].io_base == 0)
 392                 return 0;
 393
 394
 395         val = indirect_read(socketno, 1); /* Interface status register */
 396         if ((val&12)==12) {
 397                 leave("card_present 1");
 398                 return 1;
 399         }
 400
 401         leave("card_present 0");
 402         return 0;
 403 }
 404
 405 static void set_bridge_state(int sock)
 406 {
 407         enter("set_bridge_state");
 408         indirect_write(sock, I365_GBLCTL,0x00);
 409         indirect_write(sock, I365_GENCTL,0x00);
 410
 411         indirect_setbit(sock, I365_INTCTL,0x08);
 412         leave("set_bridge_state");
 413 }
 414
 415
 416
 417
 418
 419
 420 static int i82092aa_init(struct pcmcia_socket *sock)
 421 {
 422         int i;
 423         struct resource res = { .start = 0, .end = 0x0fff };
 424         pccard_io_map io = { 0, 0, 0, 0, 1 };
 425         pccard_mem_map mem = { .res = &res, };
 426
 427         enter("i82092aa_init");
 428
 429         for (i = 0; i < 2; i++) {
 430                 io.map = i;
 431                 i82092aa_set_io_map(sock, &io);
 432         }
 433         for (i = 0; i < 5; i++) {
 434                 mem.map = i;
 435                 i82092aa_set_mem_map(sock, &mem);
 436         }
 437
 438         leave("i82092aa_init");
 439         return 0;
 440 }
 441
 442 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 443 {
 444         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 445         unsigned int status;
 446
 447         enter("i82092aa_get_status");
 448
 449         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
 450         *value = 0;
 451
 452         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
 453                 *value |= SS_DETECT;
 454         }
 455
 456         /* IO cards have a different meaning of bits 0,1 */
 457         /* Also notice the inverse-logic on the bits */
 458          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
 459                 /* IO card */
 460                 if (!(status & I365_CS_STSCHG))
 461                         *value |= SS_STSCHG;
 462          } else { /* non I/O card */
 463                 if (!(status & I365_CS_BVD1))
 464                         *value |= SS_BATDEAD;
 465                 if (!(status & I365_CS_BVD2))
 466                         *value |= SS_BATWARN;
 467
 468          }
 469
 470          if (status & I365_CS_WRPROT)
 471                 (*value) |= SS_WRPROT;  /* card is write protected */
 472
 473          if (status & I365_CS_READY)
 474                 (*value) |= SS_READY;    /* card is not busy */
 475
 476          if (status & I365_CS_POWERON)
 477                 (*value) |= SS_POWERON;  /* power is applied to the card */
 478
 479
 480         leave("i82092aa_get_status");
 481         return 0;
 482 }
 483
 484
 485 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
 486 {
 487         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 488         unsigned char reg;
 489
 490         enter("i82092aa_set_socket");
 491
 492         /* First, set the global controller options */
 493
 494         set_bridge_state(sock);
 495
 496         /* Values for the IGENC register */
 497
 498         reg = 0;
 499         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
 500                 reg = reg | I365_PC_RESET;
 501         if (state->flags & SS_IOCARD)
 502                 reg = reg | I365_PC_IOCARD;
 503
 504         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
 505
 506         /* Power registers */
 507
 508         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
 509
 510         if (state->flags & SS_PWR_AUTO) {
 511                 printk("Auto power\n");
 512                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
 513         }
 514         if (state->flags & SS_OUTPUT_ENA) {
 515                 printk("Power Enabled \n");
 516                 reg |= I365_PWR_OUT;    /* enable power */
 517         }
 518
 519         switch (state->Vcc) {
 520                 case 0:
 521                         break;
 522                 case 50:
 523                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
 524                         reg |= I365_VCC_5V;
 525                         break;
 526                 default:
 527                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
 528                         leave("i82092aa_set_socket");
 529                         return -EINVAL;
 530         }
 531
 532
 533         switch (state->Vpp) {
 534                 case 0:
 535                         printk("not setting Vpp on socket %i\n",sock);
 536                         break;
 537                 case 50:
 538                         printk("setting Vpp to 5.0 for socket %i\n",sock);
 539                         reg |= I365_VPP1_5V | I365_VPP2_5V;
 540                         break;
 541                 case 120:
 542                         printk("setting Vpp to 12.0\n");
 543                         reg |= I365_VPP1_12V | I365_VPP2_12V;
 544                         break;
 545                 default:
 546                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
 547                         leave("i82092aa_set_socket");
 548                         return -EINVAL;
 549         }
 550
 551         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
 552                 indirect_write(sock,I365_POWER,reg);
 553
 554         /* Enable specific interrupt events */
 555
 556         reg = 0x00;
 557         if (state->csc_mask & SS_DETECT) {
 558                 reg |= I365_CSC_DETECT;
 559         }
 560         if (state->flags & SS_IOCARD) {
 561                 if (state->csc_mask & SS_STSCHG)
 562                         reg |= I365_CSC_STSCHG;
 563         } else {
 564                 if (state->csc_mask & SS_BATDEAD)
 565                         reg |= I365_CSC_BVD1;
 566                 if (state->csc_mask & SS_BATWARN)
 567                         reg |= I365_CSC_BVD2;
 568                 if (state->csc_mask & SS_READY)
 569                         reg |= I365_CSC_READY;
 570
 571         }
 572
 573         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
 574
 575         indirect_write(sock,I365_CSCINT,reg);
 576         (void)indirect_read(sock,I365_CSC);
 577
 578         leave("i82092aa_set_socket");
 579         return 0;
 580 }
 581
 582 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
 583 {
 584         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 585         unsigned char map, ioctl;
 586
 587         enter("i82092aa_set_io_map");
 588
 589         map = io->map;
 590
 591         /* Check error conditions */
 592         if (map > 1) {
 593                 leave("i82092aa_set_io_map with invalid map");
 594                 return -EINVAL;
 595         }
 596         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
 597                 leave("i82092aa_set_io_map with invalid io");
 598                 return -EINVAL;
 599         }
 600
 601         /* Turn off the window before changing anything */
 602         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
 603                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
 604
 605 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
 606
 607         /* write the new values */
 608         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
 609         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
 610
 611         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
 612
 613         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
 614                 ioctl |= I365_IOCTL_16BIT(map);
 615
 616         indirect_write(sock,I365_IOCTL,ioctl);
 617
 618         /* Turn the window back on if needed */
 619         if (io->flags & MAP_ACTIVE)
 620                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
 621
 622         leave("i82092aa_set_io_map");
 623         return 0;
 624 }
 625
 626 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
 627 {
 628         struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
 629         unsigned int sock = sock_info->number;
 630         struct pci_bus_region region;
 631         unsigned short base, i;
 632         unsigned char map;
 633
 634         enter("i82092aa_set_mem_map");
 635
 636         pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
 637
 638         map = mem->map;
 639         if (map > 4) {
 640                 leave("i82092aa_set_mem_map: invalid map");
 641                 return -EINVAL;
 642         }
 643
 644
 645         if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
 646              (mem->speed > 1000) ) {
 647                 leave("i82092aa_set_mem_map: invalid address / speed");
 648                 printk("invalid mem map for socket %i: %llx to %llx with a "
 649                         "start of %x\n",
 650                         sock,
 651                         (unsigned long long)region.start,
 652                         (unsigned long long)region.end,
 653                         mem->card_start);
 654                 return -EINVAL;
 655         }
 656
 657         /* Turn off the window before changing anything */
 658         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
 659                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 660
 661
 662 /*      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);  */
 663
 664         /* write the start address */
 665         base = I365_MEM(map);
 666         i = (region.start >> 12) & 0x0fff;
 667         if (mem->flags & MAP_16BIT)
 668                 i |= I365_MEM_16BIT;
 669         if (mem->flags & MAP_0WS)
 670                 i |= I365_MEM_0WS;
 671         indirect_write16(sock,base+I365_W_START,i);
 672
 673         /* write the stop address */
 674
 675         i= (region.end >> 12) & 0x0fff;
 676         switch (to_cycles(mem->speed)) {
 677                 case 0:
 678                         break;
 679                 case 1:
 680                         i |= I365_MEM_WS0;
 681                         break;
 682                 case 2:
 683                         i |= I365_MEM_WS1;
 684                         break;
 685                 default:
 686                         i |= I365_MEM_WS1 | I365_MEM_WS0;
 687                         break;
 688         }
 689
 690         indirect_write16(sock,base+I365_W_STOP,i);
 691
 692         /* card start */
 693
 694         i = ((mem->card_start - region.start) >> 12) & 0x3fff;
 695         if (mem->flags & MAP_WRPROT)
 696                 i |= I365_MEM_WRPROT;
 697         if (mem->flags & MAP_ATTRIB) {
 698 /*              printk("requesting attribute memory for socket %i\n",sock);*/
 699                 i |= I365_MEM_REG;
 700         } else {
 701 /*              printk("requesting normal memory for socket %i\n",sock);*/
 702         }
 703         indirect_write16(sock,base+I365_W_OFF,i);
 704
 705         /* Enable the window if necessary */
 706         if (mem->flags & MAP_ACTIVE)
 707                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 708
 709         leave("i82092aa_set_mem_map");
 710         return 0;
 711 }
 712
 713 static int i82092aa_module_init(void)
 714 {
 715         return pci_register_driver(&i82092aa_pci_driver);
 716 }
 717
 718 static void i82092aa_module_exit(void)
 719 {
 720         enter("i82092aa_module_exit");
 721         pci_unregister_driver(&i82092aa_pci_driver);
 722         if (sockets[0].io_base>0)
 723                          release_region(sockets[0].io_base, 2);
 724         leave("i82092aa_module_exit");
 725 }
 726
 727 module_init(i82092aa_module_init);
 728 module_exit(i82092aa_module_exit);
 729