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, u32 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         .suspend                = i82092aa_suspend,
  69         .get_status             = i82092aa_get_status,
  70         .get_socket             = i82092aa_get_socket,
  71         .set_socket             = i82092aa_set_socket,
  72         .set_io_map             = i82092aa_set_io_map,
  73         .set_mem_map            = i82092aa_set_mem_map,
  74 };
  75
  76 /* The card can do upto 4 sockets, allocate a structure for each of them */
  77
  78 struct socket_info {
  79         int     number;
  80         int     card_state;     /*  0 = no socket,
  81                                     1 = empty socket,
  82                                     2 = card but not initialized,
  83                                     3 = operational card */
  84         int     io_base;        /* base io address of the socket */
  85
  86         struct pcmcia_socket socket;
  87         struct pci_dev *dev;    /* The PCI device for the socket */
  88 };
  89
  90 #define MAX_SOCKETS 4
  91 static struct socket_info sockets[MAX_SOCKETS];
  92 static int socket_count;  /* shortcut */
  93
  94
  95 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
  96 {
  97         unsigned char configbyte;
  98         int i, ret;
  99
 100         enter("i82092aa_pci_probe");
 101
 102         if ((ret = pci_enable_device(dev)))
 103                 return ret;
 104
 105         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
 106         switch(configbyte&6) {
 107                 case 0:
 108                         socket_count = 2;
 109                         break;
 110                 case 2:
 111                         socket_count = 1;
 112                         break;
 113                 case 4:
 114                 case 6:
 115                         socket_count = 4;
 116                         break;
 117
 118                 default:
 119                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
 120                         ret = -EIO;
 121                         goto err_out_disable;
 122         }
 123         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
 124
 125         if (request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
 126                 ret = -EBUSY;
 127                 goto err_out_disable;
 128         }
 129
 130         for (i = 0;i<socket_count;i++) {
 131                 sockets[i].card_state = 1; /* 1 = present but empty */
 132                 sockets[i].io_base = pci_resource_start(dev, 0);
 133                 sockets[i].socket.features |= SS_CAP_PCCARD;
 134                 sockets[i].socket.map_size = 0x1000;
 135                 sockets[i].socket.irq_mask = 0;
 136                 sockets[i].socket.pci_irq  = dev->irq;
 137                 sockets[i].socket.owner = THIS_MODULE;
 138
 139                 sockets[i].number = i;
 140
 141                 if (card_present(i)) {
 142                         sockets[i].card_state = 3;
 143                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
 144                 } else {
 145                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
 146                 }
 147         }
 148
 149         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
 150         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
 151         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
 152
 153         /* Register the interrupt handler */
 154         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
 155         if ((ret = request_irq(dev->irq, i82092aa_interrupt, SA_SHIRQ, "i82092aa", i82092aa_interrupt))) {
 156                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
 157                 goto err_out_free_res;
 158         }
 159
 160         pci_set_drvdata(dev, &sockets[i].socket);
 161
 162         for (i = 0; i<socket_count; i++) {
 163                 sockets[i].socket.dev.dev = &dev->dev;
 164                 sockets[i].socket.ops = &i82092aa_operations;
 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 spinlock_t port_lock = SPIN_LOCK_UNLOCKED;
 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, struct pt_regs *regs)
 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         pccard_io_map io = { 0, 0, 0, 0, 1 };
 424         pccard_mem_map mem = { 0, 0, 0, 0, 0, 0 };
 425
 426         enter("i82092aa_init");
 427
 428         mem.sys_stop = 0x0fff;
 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_suspend(struct pcmcia_socket *sock)
 443 {
 444         int retval;
 445         enter("i82092aa_suspend");
 446         retval =  i82092aa_set_socket(sock, &dead_socket);
 447         leave("i82092aa_suspend");
 448         return retval;
 449 }
 450
 451 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 452 {
 453         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 454         unsigned int status;
 455
 456         enter("i82092aa_get_status");
 457
 458         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
 459         *value = 0;
 460
 461         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
 462                 *value |= SS_DETECT;
 463         }
 464
 465         /* IO cards have a different meaning of bits 0,1 */
 466         /* Also notice the inverse-logic on the bits */
 467          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
 468                 /* IO card */
 469                 if (!(status & I365_CS_STSCHG))
 470                         *value |= SS_STSCHG;
 471          } else { /* non I/O card */
 472                 if (!(status & I365_CS_BVD1))
 473                         *value |= SS_BATDEAD;
 474                 if (!(status & I365_CS_BVD2))
 475                         *value |= SS_BATWARN;
 476
 477          }
 478
 479          if (status & I365_CS_WRPROT)
 480                 (*value) |= SS_WRPROT;  /* card is write protected */
 481
 482          if (status & I365_CS_READY)
 483                 (*value) |= SS_READY;    /* card is not busy */
 484
 485          if (status & I365_CS_POWERON)
 486                 (*value) |= SS_POWERON;  /* power is applied to the card */
 487
 488
 489         leave("i82092aa_get_status");
 490         return 0;
 491 }
 492
 493
 494 static int i82092aa_get_socket(struct pcmcia_socket *socket, socket_state_t *state)
 495 {
 496         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 497         unsigned char reg,vcc,vpp;
 498
 499         enter("i82092aa_get_socket");
 500         state->flags    = 0;
 501         state->Vcc      = 0;
 502         state->Vpp      = 0;
 503         state->io_irq   = 0;
 504         state->csc_mask = 0;
 505
 506         /* First the power status of the socket */
 507         reg = indirect_read(sock,I365_POWER); /* PCTRL - Power Control Register */
 508
 509         if (reg & I365_PWR_AUTO)
 510                 state->flags |= SS_PWR_AUTO;  /* Automatic Power Switch */
 511
 512         if (reg & I365_PWR_OUT)
 513                 state->flags |= SS_OUTPUT_ENA; /* Output signals are enabled */
 514
 515         vcc = reg & I365_VCC_MASK;    vpp = reg & I365_VPP1_MASK;
 516
 517         if (reg & I365_VCC_5V) { /* Can still be 3.3V, in this case the Vcc value will be overwritten later */
 518                 state->Vcc = 50;
 519
 520                 if (vpp == I365_VPP1_5V)
 521                         state->Vpp = 50;
 522                 if (vpp == I365_VPP1_12V)
 523                         state->Vpp = 120;
 524
 525         }
 526
 527         if ((reg & I365_VCC_3V)==I365_VCC_3V)
 528                 state->Vcc = 33;
 529
 530
 531         /* Now the IO card, RESET flags and IO interrupt */
 532
 533         reg = indirect_read(sock, I365_INTCTL); /* IGENC, Interrupt and General Control */
 534
 535         if ((reg & I365_PC_RESET)==0)
 536                 state->flags |= SS_RESET;
 537         if (reg & I365_PC_IOCARD)
 538                 state->flags |= SS_IOCARD; /* This is an IO card */
 539
 540         /* Set the IRQ number */
 541         if (sockets[sock].dev!=NULL)
 542                 state->io_irq = sockets[sock].dev->irq;
 543
 544         /* Card status change */
 545         reg = indirect_read(sock, I365_CSCINT); /* CSCICR, Card Status Change Interrupt Configuration */
 546
 547         if (reg & I365_CSC_DETECT)
 548                 state->csc_mask |= SS_DETECT; /* Card detect is enabled */
 549
 550         if (state->flags & SS_IOCARD) {/* IO Cards behave different */
 551                 if (reg & I365_CSC_STSCHG)
 552                         state->csc_mask |= SS_STSCHG;
 553         } else {
 554                 if (reg & I365_CSC_BVD1)
 555                         state->csc_mask |= SS_BATDEAD;
 556                 if (reg & I365_CSC_BVD2)
 557                         state->csc_mask |= SS_BATWARN;
 558                 if (reg & I365_CSC_READY)
 559                         state->csc_mask |= SS_READY;
 560         }
 561
 562         leave("i82092aa_get_socket");
 563         return 0;
 564 }
 565
 566 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
 567 {
 568         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 569         unsigned char reg;
 570
 571         enter("i82092aa_set_socket");
 572
 573         /* First, set the global controller options */
 574
 575         set_bridge_state(sock);
 576
 577         /* Values for the IGENC register */
 578
 579         reg = 0;
 580         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
 581                 reg = reg | I365_PC_RESET;
 582         if (state->flags & SS_IOCARD)
 583                 reg = reg | I365_PC_IOCARD;
 584
 585         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
 586
 587         /* Power registers */
 588
 589         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
 590
 591         if (state->flags & SS_PWR_AUTO) {
 592                 printk("Auto power\n");
 593                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
 594         }
 595         if (state->flags & SS_OUTPUT_ENA) {
 596                 printk("Power Enabled \n");
 597                 reg |= I365_PWR_OUT;    /* enable power */
 598         }
 599
 600         switch (state->Vcc) {
 601                 case 0:
 602                         break;
 603                 case 50:
 604                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
 605                         reg |= I365_VCC_5V;
 606                         break;
 607                 default:
 608                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
 609                         leave("i82092aa_set_socket");
 610                         return -EINVAL;
 611         }
 612
 613
 614         switch (state->Vpp) {
 615                 case 0:
 616                         printk("not setting Vpp on socket %i\n",sock);
 617                         break;
 618                 case 50:
 619                         printk("setting Vpp to 5.0 for socket %i\n",sock);
 620                         reg |= I365_VPP1_5V | I365_VPP2_5V;
 621                         break;
 622                 case 120:
 623                         printk("setting Vpp to 12.0\n");
 624                         reg |= I365_VPP1_12V | I365_VPP2_12V;
 625                         break;
 626                 default:
 627                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
 628                         leave("i82092aa_set_socket");
 629                         return -EINVAL;
 630         }
 631
 632         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
 633                 indirect_write(sock,I365_POWER,reg);
 634
 635         /* Enable specific interrupt events */
 636
 637         reg = 0x00;
 638         if (state->csc_mask & SS_DETECT) {
 639                 reg |= I365_CSC_DETECT;
 640         }
 641         if (state->flags & SS_IOCARD) {
 642                 if (state->csc_mask & SS_STSCHG)
 643                         reg |= I365_CSC_STSCHG;
 644         } else {
 645                 if (state->csc_mask & SS_BATDEAD)
 646                         reg |= I365_CSC_BVD1;
 647                 if (state->csc_mask & SS_BATWARN)
 648                         reg |= I365_CSC_BVD2;
 649                 if (state->csc_mask & SS_READY)
 650                         reg |= I365_CSC_READY;
 651
 652         }
 653
 654         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
 655
 656         indirect_write(sock,I365_CSCINT,reg);
 657         (void)indirect_read(sock,I365_CSC);
 658
 659         leave("i82092aa_set_socket");
 660         return 0;
 661 }
 662
 663 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
 664 {
 665         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 666         unsigned char map, ioctl;
 667
 668         enter("i82092aa_set_io_map");
 669
 670         map = io->map;
 671
 672         /* Check error conditions */
 673         if (map > 1) {
 674                 leave("i82092aa_set_io_map with invalid map");
 675                 return -EINVAL;
 676         }
 677         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
 678                 leave("i82092aa_set_io_map with invalid io");
 679                 return -EINVAL;
 680         }
 681
 682         /* Turn off the window before changing anything */
 683         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
 684                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
 685
 686 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
 687
 688         /* write the new values */
 689         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
 690         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
 691
 692         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
 693
 694         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
 695                 ioctl |= I365_IOCTL_16BIT(map);
 696
 697         indirect_write(sock,I365_IOCTL,ioctl);
 698
 699         /* Turn the window back on if needed */
 700         if (io->flags & MAP_ACTIVE)
 701                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
 702
 703         leave("i82092aa_set_io_map");
 704         return 0;
 705 }
 706
 707 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
 708 {
 709         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
 710         unsigned short base, i;
 711         unsigned char map;
 712
 713         enter("i82092aa_set_mem_map");
 714
 715         map = mem->map;
 716         if (map > 4) {
 717                 leave("i82092aa_set_mem_map: invalid map");
 718                 return -EINVAL;
 719         }
 720
 721
 722         if ( (mem->card_start > 0x3ffffff) || (mem->sys_start > mem->sys_stop) ||
 723              (mem->speed > 1000) ) {
 724                 leave("i82092aa_set_mem_map: invalid address / speed");
 725                 printk("invalid mem map for socket %i : %lx to %lx with a start of %x \n",sock,mem->sys_start, mem->sys_stop, mem->card_start);
 726                 return -EINVAL;
 727         }
 728
 729         /* Turn off the window before changing anything */
 730         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
 731                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 732
 733
 734 /*      printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, mem->sys_start,mem->sys_stop,sock,mem->speed,mem->flags & MAP_ACTIVE);  */
 735
 736         /* write the start address */
 737         base = I365_MEM(map);
 738         i = (mem->sys_start >> 12) & 0x0fff;
 739         if (mem->flags & MAP_16BIT)
 740                 i |= I365_MEM_16BIT;
 741         if (mem->flags & MAP_0WS)
 742                 i |= I365_MEM_0WS;
 743         indirect_write16(sock,base+I365_W_START,i);
 744
 745         /* write the stop address */
 746
 747         i= (mem->sys_stop >> 12) & 0x0fff;
 748         switch (to_cycles(mem->speed)) {
 749                 case 0:
 750                         break;
 751                 case 1:
 752                         i |= I365_MEM_WS0;
 753                         break;
 754                 case 2:
 755                         i |= I365_MEM_WS1;
 756                         break;
 757                 default:
 758                         i |= I365_MEM_WS1 | I365_MEM_WS0;
 759                         break;
 760         }
 761
 762         indirect_write16(sock,base+I365_W_STOP,i);
 763
 764         /* card start */
 765
 766         i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff;
 767         if (mem->flags & MAP_WRPROT)
 768                 i |= I365_MEM_WRPROT;
 769         if (mem->flags & MAP_ATTRIB) {
 770 /*              printk("requesting attribute memory for socket %i\n",sock);*/
 771                 i |= I365_MEM_REG;
 772         } else {
 773 /*              printk("requesting normal memory for socket %i\n",sock);*/
 774         }
 775         indirect_write16(sock,base+I365_W_OFF,i);
 776
 777         /* Enable the window if necessary */
 778         if (mem->flags & MAP_ACTIVE)
 779                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 780
 781         leave("i82092aa_set_mem_map");
 782         return 0;
 783 }
 784
 785 static int i82092aa_module_init(void)
 786 {
 787         enter("i82092aa_module_init");
 788         pci_register_driver(&i82092aa_pci_drv);
 789         leave("i82092aa_module_init");
 790         return 0;
 791 }
 792
 793 static void i82092aa_module_exit(void)
 794 {
 795         enter("i82092aa_module_exit");
 796         pci_unregister_driver(&i82092aa_pci_drv);
 797         if (sockets[0].io_base>0)
 798                          release_region(sockets[0].io_base, 2);
 799         leave("i82092aa_module_exit");
 800 }
 801
 802 module_init(i82092aa_module_init);
 803 module_exit(i82092aa_module_exit);
 804