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