drivers/net/wireless/hostap/hostap_cs.c

   1 #define PRISM2_PCCARD
   2
   3 #include <linux/config.h>
   4 #include <linux/module.h>
   5 #include <linux/init.h>
   6 #include <linux/if.h>
   7 #include <linux/wait.h>
   8 #include <linux/timer.h>
   9 #include <linux/skbuff.h>
  10 #include <linux/netdevice.h>
  11 #include <linux/workqueue.h>
  12 #include <linux/wireless.h>
  13 #include <net/iw_handler.h>
  14
  15 #include <pcmcia/cs_types.h>
  16 #include <pcmcia/cs.h>
  17 #include <pcmcia/cistpl.h>
  18 #include <pcmcia/cisreg.h>
  19 #include <pcmcia/ds.h>
  20
  21 #include <asm/io.h>
  22
  23 #include "hostap_wlan.h"
  24
  25
  26 static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)";
  27 static dev_info_t dev_info = "hostap_cs";
  28 static dev_link_t *dev_list = NULL;
  29
  30 MODULE_AUTHOR("Jouni Malinen");
  31 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
  32                    "cards (PC Card).");
  33 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
  34 MODULE_LICENSE("GPL");
  35 MODULE_VERSION(PRISM2_VERSION);
  36
  37
  38 static int ignore_cis_vcc;
  39 module_param(ignore_cis_vcc, int, 0444);
  40 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
  41
  42
  43 #ifdef PRISM2_IO_DEBUG
  44
  45 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
  46 {
  47         struct hostap_interface *iface;
  48         local_info_t *local;
  49         unsigned long flags;
  50
  51         iface = netdev_priv(dev);
  52         local = iface->local;
  53         spin_lock_irqsave(&local->lock, flags);
  54         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
  55         outb(v, dev->base_addr + a);
  56         spin_unlock_irqrestore(&local->lock, flags);
  57 }
  58
  59 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
  60 {
  61         struct hostap_interface *iface;
  62         local_info_t *local;
  63         unsigned long flags;
  64         u8 v;
  65
  66         iface = netdev_priv(dev);
  67         local = iface->local;
  68         spin_lock_irqsave(&local->lock, flags);
  69         v = inb(dev->base_addr + a);
  70         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
  71         spin_unlock_irqrestore(&local->lock, flags);
  72         return v;
  73 }
  74
  75 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
  76 {
  77         struct hostap_interface *iface;
  78         local_info_t *local;
  79         unsigned long flags;
  80
  81         iface = netdev_priv(dev);
  82         local = iface->local;
  83         spin_lock_irqsave(&local->lock, flags);
  84         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
  85         outw(v, dev->base_addr + a);
  86         spin_unlock_irqrestore(&local->lock, flags);
  87 }
  88
  89 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
  90 {
  91         struct hostap_interface *iface;
  92         local_info_t *local;
  93         unsigned long flags;
  94         u16 v;
  95
  96         iface = netdev_priv(dev);
  97         local = iface->local;
  98         spin_lock_irqsave(&local->lock, flags);
  99         v = inw(dev->base_addr + a);
 100         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
 101         spin_unlock_irqrestore(&local->lock, flags);
 102         return v;
 103 }
 104
 105 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
 106                                        u8 *buf, int wc)
 107 {
 108         struct hostap_interface *iface;
 109         local_info_t *local;
 110         unsigned long flags;
 111
 112         iface = netdev_priv(dev);
 113         local = iface->local;
 114         spin_lock_irqsave(&local->lock, flags);
 115         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
 116         outsw(dev->base_addr + a, buf, wc);
 117         spin_unlock_irqrestore(&local->lock, flags);
 118 }
 119
 120 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
 121                                       u8 *buf, int wc)
 122 {
 123         struct hostap_interface *iface;
 124         local_info_t *local;
 125         unsigned long flags;
 126
 127         iface = netdev_priv(dev);
 128         local = iface->local;
 129         spin_lock_irqsave(&local->lock, flags);
 130         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
 131         insw(dev->base_addr + a, buf, wc);
 132         spin_unlock_irqrestore(&local->lock, flags);
 133 }
 134
 135 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
 136 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
 137 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
 138 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
 139 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
 140 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
 141
 142 #else /* PRISM2_IO_DEBUG */
 143
 144 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
 145 #define HFA384X_INB(a) inb(dev->base_addr + (a))
 146 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
 147 #define HFA384X_INW(a) inw(dev->base_addr + (a))
 148 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
 149 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
 150
 151 #endif /* PRISM2_IO_DEBUG */
 152
 153
 154 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
 155                             int len)
 156 {
 157         u16 d_off;
 158         u16 *pos;
 159
 160         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 161         pos = (u16 *) buf;
 162
 163         if (len / 2)
 164                 HFA384X_INSW(d_off, buf, len / 2);
 165         pos += len / 2;
 166
 167         if (len & 1)
 168                 *((char *) pos) = HFA384X_INB(d_off);
 169
 170         return 0;
 171 }
 172
 173
 174 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
 175 {
 176         u16 d_off;
 177         u16 *pos;
 178
 179         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 180         pos = (u16 *) buf;
 181
 182         if (len / 2)
 183                 HFA384X_OUTSW(d_off, buf, len / 2);
 184         pos += len / 2;
 185
 186         if (len & 1)
 187                 HFA384X_OUTB(*((char *) pos), d_off);
 188
 189         return 0;
 190 }
 191
 192
 193 /* FIX: This might change at some point.. */
 194 #include "hostap_hw.c"
 195
 196
 197
 198 static void prism2_detach(dev_link_t *link);
 199 static void prism2_release(u_long arg);
 200 static int prism2_event(event_t event, int priority,
 201                         event_callback_args_t *args);
 202
 203
 204 static int prism2_pccard_card_present(local_info_t *local)
 205 {
 206         if (local->link != NULL &&
 207             ((local->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
 208              (DEV_PRESENT | DEV_CONFIG)))
 209                 return 1;
 210         return 0;
 211 }
 212
 213
 214 /*
 215  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
 216  * Document No. 20-10-00058, January 2004
 217  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
 218  */
 219 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
 220 #define SANDISK_HCR_OFF 0x42
 221
 222
 223 static void sandisk_set_iobase(local_info_t *local)
 224 {
 225         int res;
 226         conf_reg_t reg;
 227
 228         reg.Function = 0;
 229         reg.Action = CS_WRITE;
 230         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
 231         reg.Value = local->link->io.BasePort1 & 0x00ff;
 232         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 233         if (res != CS_SUCCESS) {
 234                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
 235                        " res=%d\n", res);
 236         }
 237         udelay(10);
 238
 239         reg.Function = 0;
 240         reg.Action = CS_WRITE;
 241         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
 242         reg.Value = (local->link->io.BasePort1 & 0xff00) >> 8;
 243         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 244         if (res != CS_SUCCESS) {
 245                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
 246                        " res=%d\n", res);
 247         }
 248 }
 249
 250
 251 static void sandisk_write_hcr(local_info_t *local, int hcr)
 252 {
 253         struct net_device *dev = local->dev;
 254         int i;
 255
 256         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
 257         udelay(50);
 258         for (i = 0; i < 10; i++) {
 259                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
 260         }
 261         udelay(55);
 262         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
 263 }
 264
 265
 266 static int sandisk_enable_wireless(struct net_device *dev)
 267 {
 268         int res, ret = 0;
 269         conf_reg_t reg;
 270         struct hostap_interface *iface = dev->priv;
 271         local_info_t *local = iface->local;
 272         tuple_t tuple;
 273         cisparse_t *parse = NULL;
 274         u_char buf[64];
 275
 276         if (local->link->io.NumPorts1 < 0x42) {
 277                 /* Not enough ports to be SanDisk multi-function card */
 278                 ret = -ENODEV;
 279                 goto done;
 280         }
 281
 282         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 283         if (parse == NULL) {
 284                 ret = -ENOMEM;
 285                 goto done;
 286         }
 287
 288         tuple.DesiredTuple = CISTPL_MANFID;
 289         tuple.Attributes = TUPLE_RETURN_COMMON;
 290         tuple.TupleData = buf;
 291         tuple.TupleDataMax = sizeof(buf);
 292         tuple.TupleOffset = 0;
 293         if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
 294             pcmcia_get_tuple_data(local->link->handle, &tuple) ||
 295             pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
 296             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
 297                 /* No SanDisk manfid found */
 298                 ret = -ENODEV;
 299                 goto done;
 300         }
 301
 302         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
 303         if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
 304             pcmcia_get_tuple_data(local->link->handle, &tuple) ||
 305             pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
 306                 parse->longlink_mfc.nfn < 2) {
 307                 /* No multi-function links found */
 308                 ret = -ENODEV;
 309                 goto done;
 310         }
 311
 312         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
 313                " - using vendor-specific initialization\n", dev->name);
 314         local->sandisk_connectplus = 1;
 315
 316         reg.Function = 0;
 317         reg.Action = CS_WRITE;
 318         reg.Offset = CISREG_COR;
 319         reg.Value = COR_SOFT_RESET;
 320         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 321         if (res != CS_SUCCESS) {
 322                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 323                        dev->name, res);
 324                 goto done;
 325         }
 326         mdelay(5);
 327
 328         reg.Function = 0;
 329         reg.Action = CS_WRITE;
 330         reg.Offset = CISREG_COR;
 331         /*
 332          * Do not enable interrupts here to avoid some bogus events. Interrupts
 333          * will be enabled during the first cor_sreset call.
 334          */
 335         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
 336         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 337         if (res != CS_SUCCESS) {
 338                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 339                        dev->name, res);
 340                 goto done;
 341         }
 342         mdelay(5);
 343
 344         sandisk_set_iobase(local);
 345
 346         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
 347         udelay(10);
 348         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
 349         udelay(10);
 350
 351 done:
 352         kfree(parse);
 353         return ret;
 354 }
 355
 356
 357 static void prism2_pccard_cor_sreset(local_info_t *local)
 358 {
 359         int res;
 360         conf_reg_t reg;
 361
 362         if (!prism2_pccard_card_present(local))
 363                return;
 364
 365         reg.Function = 0;
 366         reg.Action = CS_READ;
 367         reg.Offset = CISREG_COR;
 368         reg.Value = 0;
 369         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 370         if (res != CS_SUCCESS) {
 371                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
 372                        res);
 373                 return;
 374         }
 375         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
 376                reg.Value);
 377
 378         reg.Action = CS_WRITE;
 379         reg.Value |= COR_SOFT_RESET;
 380         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 381         if (res != CS_SUCCESS) {
 382                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
 383                        res);
 384                 return;
 385         }
 386
 387         mdelay(local->sandisk_connectplus ? 5 : 2);
 388
 389         reg.Value &= ~COR_SOFT_RESET;
 390         if (local->sandisk_connectplus)
 391                 reg.Value |= COR_IREQ_ENA;
 392         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 393         if (res != CS_SUCCESS) {
 394                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
 395                        res);
 396                 return;
 397         }
 398
 399         mdelay(local->sandisk_connectplus ? 5 : 2);
 400
 401         if (local->sandisk_connectplus)
 402                 sandisk_set_iobase(local);
 403 }
 404
 405
 406 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
 407 {
 408         int res;
 409         conf_reg_t reg;
 410         int old_cor;
 411
 412         if (!prism2_pccard_card_present(local))
 413                return;
 414
 415         if (local->sandisk_connectplus) {
 416                 sandisk_write_hcr(local, hcr);
 417                 return;
 418         }
 419
 420         reg.Function = 0;
 421         reg.Action = CS_READ;
 422         reg.Offset = CISREG_COR;
 423         reg.Value = 0;
 424         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 425         if (res != CS_SUCCESS) {
 426                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
 427                        "(%d)\n", res);
 428                 return;
 429         }
 430         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
 431                reg.Value);
 432         old_cor = reg.Value;
 433
 434         reg.Action = CS_WRITE;
 435         reg.Value |= COR_SOFT_RESET;
 436         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 437         if (res != CS_SUCCESS) {
 438                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
 439                        "(%d)\n", res);
 440                 return;
 441         }
 442
 443         mdelay(10);
 444
 445         /* Setup Genesis mode */
 446         reg.Action = CS_WRITE;
 447         reg.Value = hcr;
 448         reg.Offset = CISREG_CCSR;
 449         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 450         if (res != CS_SUCCESS) {
 451                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
 452                        "(%d)\n", res);
 453                 return;
 454         }
 455         mdelay(10);
 456
 457         reg.Action = CS_WRITE;
 458         reg.Offset = CISREG_COR;
 459         reg.Value = old_cor & ~COR_SOFT_RESET;
 460         res = pcmcia_access_configuration_register(local->link->handle, &reg);
 461         if (res != CS_SUCCESS) {
 462                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
 463                        "(%d)\n", res);
 464                 return;
 465         }
 466
 467         mdelay(10);
 468 }
 469
 470
 471 static int prism2_pccard_dev_open(local_info_t *local)
 472 {
 473         local->link->open++;
 474         return 0;
 475 }
 476
 477
 478 static int prism2_pccard_dev_close(local_info_t *local)
 479 {
 480         if (local == NULL || local->link == NULL)
 481                 return 1;
 482
 483         if (!local->link->open) {
 484                 printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
 485                        "link not open?!\n", local->dev->name);
 486                 return 1;
 487         }
 488
 489         local->link->open--;
 490
 491         return 0;
 492 }
 493
 494
 495 static struct prism2_helper_functions prism2_pccard_funcs =
 496 {
 497         .card_present   = prism2_pccard_card_present,
 498         .cor_sreset     = prism2_pccard_cor_sreset,
 499         .dev_open       = prism2_pccard_dev_open,
 500         .dev_close      = prism2_pccard_dev_close,
 501         .genesis_reset  = prism2_pccard_genesis_reset,
 502         .hw_type        = HOSTAP_HW_PCCARD,
 503 };
 504
 505
 506 /* allocate local data and register with CardServices
 507  * initialize dev_link structure, but do not configure the card yet */
 508 static dev_link_t *prism2_attach(void)
 509 {
 510         dev_link_t *link;
 511         client_reg_t client_reg;
 512         int ret;
 513
 514         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
 515         if (link == NULL)
 516                 return NULL;
 517
 518         memset(link, 0, sizeof(dev_link_t));
 519
 520         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
 521         link->conf.Vcc = 33;
 522         link->conf.IntType = INT_MEMORY_AND_IO;
 523
 524         /* register with CardServices */
 525         link->next = dev_list;
 526         dev_list = link;
 527         client_reg.dev_info = &dev_info;
 528         client_reg.Version = 0x0210;
 529         client_reg.event_callback_args.client_data = link;
 530         ret = pcmcia_register_client(&link->handle, &client_reg);
 531         if (ret != CS_SUCCESS) {
 532                 cs_error(link->handle, RegisterClient, ret);
 533                 prism2_detach(link);
 534                 return NULL;
 535         }
 536         return link;
 537 }
 538
 539
 540 static void prism2_detach(dev_link_t *link)
 541 {
 542         dev_link_t **linkp;
 543
 544         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
 545
 546         for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
 547                 if (*linkp == link)
 548                         break;
 549         if (*linkp == NULL) {
 550                 printk(KERN_WARNING "%s: Attempt to detach non-existing "
 551                        "PCMCIA client\n", dev_info);
 552                 return;
 553         }
 554
 555         if (link->state & DEV_CONFIG) {
 556                 prism2_release((u_long)link);
 557         }
 558
 559         if (link->handle) {
 560                 int res = pcmcia_deregister_client(link->handle);
 561                 if (res) {
 562                         printk("CardService(DeregisterClient) => %d\n", res);
 563                         cs_error(link->handle, DeregisterClient, res);
 564                 }
 565         }
 566
 567         *linkp = link->next;
 568         /* release net devices */
 569         if (link->priv) {
 570                 prism2_free_local_data((struct net_device *) link->priv);
 571
 572         }
 573         kfree(link);
 574 }
 575
 576
 577 #define CS_CHECK(fn, ret) \
 578 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 579
 580 #define CFG_CHECK2(fn, retf) \
 581 do { int ret = (retf); \
 582 if (ret != 0) { \
 583         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
 584         cs_error(link->handle, fn, ret); \
 585         goto next_entry; \
 586 } \
 587 } while (0)
 588
 589
 590 /* run after a CARD_INSERTION event is received to configure the PCMCIA
 591  * socket and make the device available to the system */
 592 static int prism2_config(dev_link_t *link)
 593 {
 594         struct net_device *dev;
 595         struct hostap_interface *iface;
 596         local_info_t *local;
 597         int ret = 1;
 598         tuple_t tuple;
 599         cisparse_t *parse;
 600         int last_fn, last_ret;
 601         u_char buf[64];
 602         config_info_t conf;
 603         cistpl_cftable_entry_t dflt = { 0 };
 604
 605         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
 606
 607         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 608         if (parse == NULL) {
 609                 ret = -ENOMEM;
 610                 goto failed;
 611         }
 612
 613         tuple.DesiredTuple = CISTPL_CONFIG;
 614         tuple.Attributes = 0;
 615         tuple.TupleData = buf;
 616         tuple.TupleDataMax = sizeof(buf);
 617         tuple.TupleOffset = 0;
 618         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 619         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
 620         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
 621         link->conf.ConfigBase = parse->config.base;
 622         link->conf.Present = parse->config.rmask[0];
 623
 624         CS_CHECK(GetConfigurationInfo,
 625                  pcmcia_get_configuration_info(link->handle, &conf));
 626         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
 627                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
 628         link->conf.Vcc = conf.Vcc;
 629
 630         /* Look for an appropriate configuration table entry in the CIS */
 631         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 632         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 633         for (;;) {
 634                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
 635                 CFG_CHECK2(GetTupleData,
 636                            pcmcia_get_tuple_data(link->handle, &tuple));
 637                 CFG_CHECK2(ParseTuple,
 638                            pcmcia_parse_tuple(link->handle, &tuple, parse));
 639
 640                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 641                         dflt = *cfg;
 642                 if (cfg->index == 0)
 643                         goto next_entry;
 644                 link->conf.ConfigIndex = cfg->index;
 645                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
 646                        "(default 0x%02X)\n", cfg->index, dflt.index);
 647
 648                 /* Does this card need audio output? */
 649                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
 650                         link->conf.Attributes |= CONF_ENABLE_SPKR;
 651                         link->conf.Status = CCSR_AUDIO_ENA;
 652                 }
 653
 654                 /* Use power settings for Vcc and Vpp if present */
 655                 /*  Note that the CIS values need to be rescaled */
 656                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 657                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
 658                             10000 && !ignore_cis_vcc) {
 659                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
 660                                        " this entry\n");
 661                                 goto next_entry;
 662                         }
 663                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 664                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
 665                             10000 && !ignore_cis_vcc) {
 666                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
 667                                        "- skipping this entry\n");
 668                                 goto next_entry;
 669                         }
 670                 }
 671
 672                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 673                         link->conf.Vpp1 = link->conf.Vpp2 =
 674                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 675                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 676                         link->conf.Vpp1 = link->conf.Vpp2 =
 677                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 678
 679                 /* Do we need to allocate an interrupt? */
 680                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
 681                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 682                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
 683                         /* At least Compaq WL200 does not have IRQInfo1 set,
 684                          * but it does not work without interrupts.. */
 685                         printk("Config has no IRQ info, but trying to enable "
 686                                "IRQ anyway..\n");
 687                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 688                 }
 689
 690                 /* IO window settings */
 691                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
 692                        "dflt.io.nwin=%d\n",
 693                        cfg->io.nwin, dflt.io.nwin);
 694                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
 695                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
 696                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
 697                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 698                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
 699                                "io.base=0x%04x, len=%d\n", io->flags,
 700                                io->win[0].base, io->win[0].len);
 701                         if (!(io->flags & CISTPL_IO_8BIT))
 702                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
 703                         if (!(io->flags & CISTPL_IO_16BIT))
 704                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 705                         link->io.IOAddrLines = io->flags &
 706                                 CISTPL_IO_LINES_MASK;
 707                         link->io.BasePort1 = io->win[0].base;
 708                         link->io.NumPorts1 = io->win[0].len;
 709                         if (io->nwin > 1) {
 710                                 link->io.Attributes2 = link->io.Attributes1;
 711                                 link->io.BasePort2 = io->win[1].base;
 712                                 link->io.NumPorts2 = io->win[1].len;
 713                         }
 714                 }
 715
 716                 /* This reserves IO space but doesn't actually enable it */
 717                 CFG_CHECK2(RequestIO,
 718                            pcmcia_request_io(link->handle, &link->io));
 719
 720                 /* This configuration table entry is OK */
 721                 break;
 722
 723         next_entry:
 724                 CS_CHECK(GetNextTuple,
 725                          pcmcia_get_next_tuple(link->handle, &tuple));
 726         }
 727
 728         /* Need to allocate net_device before requesting IRQ handler */
 729         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
 730                                      &handle_to_dev(link->handle));
 731         if (dev == NULL)
 732                 goto failed;
 733         link->priv = dev;
 734
 735         /*
 736          * Allocate an interrupt line.  Note that this does not assign a
 737          * handler to the interrupt, unless the 'Handler' member of the
 738          * irq structure is initialized.
 739          */
 740         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
 741                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 742                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 743                 link->irq.Handler = prism2_interrupt;
 744                 link->irq.Instance = dev;
 745                 CS_CHECK(RequestIRQ,
 746                          pcmcia_request_irq(link->handle, &link->irq));
 747         }
 748
 749         /*
 750          * This actually configures the PCMCIA socket -- setting up
 751          * the I/O windows and the interrupt mapping, and putting the
 752          * card and host interface into "Memory and IO" mode.
 753          */
 754         CS_CHECK(RequestConfiguration,
 755                  pcmcia_request_configuration(link->handle, &link->conf));
 756
 757         dev->irq = link->irq.AssignedIRQ;
 758         dev->base_addr = link->io.BasePort1;
 759
 760         /* Finally, report what we've done */
 761         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
 762                dev_info, link->conf.ConfigIndex,
 763                link->conf.Vcc / 10, link->conf.Vcc % 10);
 764         if (link->conf.Vpp1)
 765                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
 766                        link->conf.Vpp1 % 10);
 767         if (link->conf.Attributes & CONF_ENABLE_IRQ)
 768                 printk(", irq %d", link->irq.AssignedIRQ);
 769         if (link->io.NumPorts1)
 770                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
 771                        link->io.BasePort1+link->io.NumPorts1-1);
 772         if (link->io.NumPorts2)
 773                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
 774                        link->io.BasePort2+link->io.NumPorts2-1);
 775         printk("\n");
 776
 777         link->state |= DEV_CONFIG;
 778         link->state &= ~DEV_CONFIG_PENDING;
 779
 780         iface = netdev_priv(dev);
 781         local = iface->local;
 782         local->link = link;
 783         strcpy(local->node.dev_name, dev->name);
 784         link->dev = &local->node;
 785
 786         local->shutdown = 0;
 787
 788         sandisk_enable_wireless(dev);
 789
 790         ret = prism2_hw_config(dev, 1);
 791         if (!ret) {
 792                 ret = hostap_hw_ready(dev);
 793                 if (ret == 0 && local->ddev)
 794                         strcpy(local->node.dev_name, local->ddev->name);
 795         }
 796         kfree(parse);
 797         return ret;
 798
 799  cs_failed:
 800         cs_error(link->handle, last_fn, last_ret);
 801
 802  failed:
 803         kfree(parse);
 804         prism2_release((u_long)link);
 805         return ret;
 806 }
 807
 808
 809 static void prism2_release(u_long arg)
 810 {
 811         dev_link_t *link = (dev_link_t *)arg;
 812
 813         PDEBUG(DEBUG_FLOW, "prism2_release\n");
 814
 815         if (link->priv) {
 816                 struct net_device *dev = link->priv;
 817                 struct hostap_interface *iface;
 818
 819                 iface = netdev_priv(dev);
 820                 if (link->state & DEV_CONFIG)
 821                         prism2_hw_shutdown(dev, 0);
 822                 iface->local->shutdown = 1;
 823         }
 824
 825         if (link->win)
 826                 pcmcia_release_window(link->win);
 827         pcmcia_release_configuration(link->handle);
 828         if (link->io.NumPorts1)
 829                 pcmcia_release_io(link->handle, &link->io);
 830         if (link->irq.AssignedIRQ)
 831                 pcmcia_release_irq(link->handle, &link->irq);
 832
 833         link->state &= ~DEV_CONFIG;
 834
 835         PDEBUG(DEBUG_FLOW, "release - done\n");
 836 }
 837
 838
 839 static int prism2_event(event_t event, int priority,
 840                         event_callback_args_t *args)
 841 {
 842         dev_link_t *link = args->client_data;
 843         struct net_device *dev = (struct net_device *) link->priv;
 844
 845         switch (event) {
 846         case CS_EVENT_CARD_INSERTION:
 847                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
 848                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 849                 if (prism2_config(link)) {
 850                         PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
 851                 }
 852                 break;
 853
 854         case CS_EVENT_CARD_REMOVAL:
 855                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
 856                 link->state &= ~DEV_PRESENT;
 857                 if (link->state & DEV_CONFIG) {
 858                         netif_stop_queue(dev);
 859                         netif_device_detach(dev);
 860                         prism2_release((u_long) link);
 861                 }
 862                 break;
 863
 864         case CS_EVENT_PM_SUSPEND:
 865                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 866                 link->state |= DEV_SUSPEND;
 867                 /* fall through */
 868
 869         case CS_EVENT_RESET_PHYSICAL:
 870                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
 871                 if (link->state & DEV_CONFIG) {
 872                         if (link->open) {
 873                                 netif_stop_queue(dev);
 874                                 netif_device_detach(dev);
 875                         }
 876                         prism2_suspend(dev);
 877                         pcmcia_release_configuration(link->handle);
 878                 }
 879                 break;
 880
 881         case CS_EVENT_PM_RESUME:
 882                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
 883                 link->state &= ~DEV_SUSPEND;
 884                 /* fall through */
 885
 886         case CS_EVENT_CARD_RESET:
 887                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
 888                 if (link->state & DEV_CONFIG) {
 889                         pcmcia_request_configuration(link->handle,
 890                                                      &link->conf);
 891                         prism2_hw_shutdown(dev, 1);
 892                         prism2_hw_config(dev, link->open ? 0 : 1);
 893                         if (link->open) {
 894                                 netif_device_attach(dev);
 895                                 netif_start_queue(dev);
 896                         }
 897                 }
 898                 break;
 899
 900         default:
 901                 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
 902                        dev_info, event);
 903                 break;
 904         }
 905         return 0;
 906 }
 907
 908
 909 static struct pcmcia_device_id hostap_cs_ids[] = {
 910         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
 911         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
 912         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
 913         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
 914         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
 915         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
 916         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
 917         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
 918         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
 919         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
 920         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
 921         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
 922         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
 923         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
 924         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
 925         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
 926         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
 927         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
 928         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
 929                                     0x7a954bd9, 0x74be00c6),
 930         PCMCIA_DEVICE_PROD_ID1234(
 931                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
 932                 "Eval-RevA",
 933                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
 934         PCMCIA_DEVICE_PROD_ID123(
 935                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
 936                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
 937         PCMCIA_DEVICE_PROD_ID123(
 938                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
 939                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
 940         PCMCIA_DEVICE_PROD_ID123(
 941                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
 942                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
 943         PCMCIA_DEVICE_PROD_ID123(
 944                 "SMC", "SMC2632W", "Version 01.02",
 945                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
 946         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
 947                                 0x54f7c49c, 0x15a75e5b),
 948         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
 949                                 0x74c5e40d, 0xdb472a18),
 950         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
 951                                 0x0733cc81, 0x0c52f395),
 952         PCMCIA_DEVICE_PROD_ID12(
 953                 "ZoomAir 11Mbps High", "Rate wireless Networking",
 954                 0x273fe3db, 0x32a1eaee),
 955         PCMCIA_DEVICE_NULL
 956 };
 957 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
 958
 959
 960 static struct pcmcia_driver hostap_driver = {
 961         .drv            = {
 962                 .name   = "hostap_cs",
 963         },
 964         .attach         = prism2_attach,
 965         .detach         = prism2_detach,
 966         .owner          = THIS_MODULE,
 967         .event          = prism2_event,
 968         .id_table       = hostap_cs_ids,
 969 };
 970
 971 static int __init init_prism2_pccard(void)
 972 {
 973         printk(KERN_INFO "%s: %s\n", dev_info, version);
 974         return pcmcia_register_driver(&hostap_driver);
 975 }
 976
 977 static void __exit exit_prism2_pccard(void)
 978 {
 979         pcmcia_unregister_driver(&hostap_driver);
 980         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
 981 }
 982
 983
 984 module_init(init_prism2_pccard);
 985 module_exit(exit_prism2_pccard);