git.oblomov.eu Git - linux-2.6/blob - 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 /* struct local_info::hw_priv */
  44 struct hostap_cs_priv {
  45         dev_node_t node;
  46         dev_link_t *link;
  47         int sandisk_connectplus;
  48 };
  49
  50
  51 #ifdef PRISM2_IO_DEBUG
  52
  53 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
  54 {
  55         struct hostap_interface *iface;
  56         local_info_t *local;
  57         unsigned long flags;
  58
  59         iface = netdev_priv(dev);
  60         local = iface->local;
  61         spin_lock_irqsave(&local->lock, flags);
  62         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
  63         outb(v, dev->base_addr + a);
  64         spin_unlock_irqrestore(&local->lock, flags);
  65 }
  66
  67 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
  68 {
  69         struct hostap_interface *iface;
  70         local_info_t *local;
  71         unsigned long flags;
  72         u8 v;
  73
  74         iface = netdev_priv(dev);
  75         local = iface->local;
  76         spin_lock_irqsave(&local->lock, flags);
  77         v = inb(dev->base_addr + a);
  78         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
  79         spin_unlock_irqrestore(&local->lock, flags);
  80         return v;
  81 }
  82
  83 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
  84 {
  85         struct hostap_interface *iface;
  86         local_info_t *local;
  87         unsigned long flags;
  88
  89         iface = netdev_priv(dev);
  90         local = iface->local;
  91         spin_lock_irqsave(&local->lock, flags);
  92         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
  93         outw(v, dev->base_addr + a);
  94         spin_unlock_irqrestore(&local->lock, flags);
  95 }
  96
  97 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
  98 {
  99         struct hostap_interface *iface;
 100         local_info_t *local;
 101         unsigned long flags;
 102         u16 v;
 103
 104         iface = netdev_priv(dev);
 105         local = iface->local;
 106         spin_lock_irqsave(&local->lock, flags);
 107         v = inw(dev->base_addr + a);
 108         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
 109         spin_unlock_irqrestore(&local->lock, flags);
 110         return v;
 111 }
 112
 113 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
 114                                        u8 *buf, int wc)
 115 {
 116         struct hostap_interface *iface;
 117         local_info_t *local;
 118         unsigned long flags;
 119
 120         iface = netdev_priv(dev);
 121         local = iface->local;
 122         spin_lock_irqsave(&local->lock, flags);
 123         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
 124         outsw(dev->base_addr + a, buf, wc);
 125         spin_unlock_irqrestore(&local->lock, flags);
 126 }
 127
 128 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
 129                                       u8 *buf, int wc)
 130 {
 131         struct hostap_interface *iface;
 132         local_info_t *local;
 133         unsigned long flags;
 134
 135         iface = netdev_priv(dev);
 136         local = iface->local;
 137         spin_lock_irqsave(&local->lock, flags);
 138         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
 139         insw(dev->base_addr + a, buf, wc);
 140         spin_unlock_irqrestore(&local->lock, flags);
 141 }
 142
 143 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
 144 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
 145 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
 146 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
 147 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
 148 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
 149
 150 #else /* PRISM2_IO_DEBUG */
 151
 152 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
 153 #define HFA384X_INB(a) inb(dev->base_addr + (a))
 154 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
 155 #define HFA384X_INW(a) inw(dev->base_addr + (a))
 156 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
 157 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
 158
 159 #endif /* PRISM2_IO_DEBUG */
 160
 161
 162 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
 163                             int len)
 164 {
 165         u16 d_off;
 166         u16 *pos;
 167
 168         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 169         pos = (u16 *) buf;
 170
 171         if (len / 2)
 172                 HFA384X_INSW(d_off, buf, len / 2);
 173         pos += len / 2;
 174
 175         if (len & 1)
 176                 *((char *) pos) = HFA384X_INB(d_off);
 177
 178         return 0;
 179 }
 180
 181
 182 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
 183 {
 184         u16 d_off;
 185         u16 *pos;
 186
 187         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 188         pos = (u16 *) buf;
 189
 190         if (len / 2)
 191                 HFA384X_OUTSW(d_off, buf, len / 2);
 192         pos += len / 2;
 193
 194         if (len & 1)
 195                 HFA384X_OUTB(*((char *) pos), d_off);
 196
 197         return 0;
 198 }
 199
 200
 201 /* FIX: This might change at some point.. */
 202 #include "hostap_hw.c"
 203
 204
 205
 206 static void prism2_detach(dev_link_t *link);
 207 static void prism2_release(u_long arg);
 208 static int prism2_event(event_t event, int priority,
 209                         event_callback_args_t *args);
 210
 211
 212 static int prism2_pccard_card_present(local_info_t *local)
 213 {
 214         struct hostap_cs_priv *hw_priv = local->hw_priv;
 215         if (hw_priv != NULL && hw_priv->link != NULL &&
 216             ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
 217              (DEV_PRESENT | DEV_CONFIG)))
 218                 return 1;
 219         return 0;
 220 }
 221
 222
 223 /*
 224  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
 225  * Document No. 20-10-00058, January 2004
 226  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
 227  */
 228 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
 229 #define SANDISK_HCR_OFF 0x42
 230
 231
 232 static void sandisk_set_iobase(local_info_t *local)
 233 {
 234         int res;
 235         conf_reg_t reg;
 236         struct hostap_cs_priv *hw_priv = local->hw_priv;
 237
 238         reg.Function = 0;
 239         reg.Action = CS_WRITE;
 240         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
 241         reg.Value = hw_priv->link->io.BasePort1 & 0x00ff;
 242         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 243                                                    &reg);
 244         if (res != CS_SUCCESS) {
 245                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
 246                        " res=%d\n", res);
 247         }
 248         udelay(10);
 249
 250         reg.Function = 0;
 251         reg.Action = CS_WRITE;
 252         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
 253         reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8;
 254         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 255                                                    &reg);
 256         if (res != CS_SUCCESS) {
 257                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
 258                        " res=%d\n", res);
 259         }
 260 }
 261
 262
 263 static void sandisk_write_hcr(local_info_t *local, int hcr)
 264 {
 265         struct net_device *dev = local->dev;
 266         int i;
 267
 268         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
 269         udelay(50);
 270         for (i = 0; i < 10; i++) {
 271                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
 272         }
 273         udelay(55);
 274         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
 275 }
 276
 277
 278 static int sandisk_enable_wireless(struct net_device *dev)
 279 {
 280         int res, ret = 0;
 281         conf_reg_t reg;
 282         struct hostap_interface *iface = dev->priv;
 283         local_info_t *local = iface->local;
 284         tuple_t tuple;
 285         cisparse_t *parse = NULL;
 286         u_char buf[64];
 287         struct hostap_cs_priv *hw_priv = local->hw_priv;
 288
 289         if (hw_priv->link->io.NumPorts1 < 0x42) {
 290                 /* Not enough ports to be SanDisk multi-function card */
 291                 ret = -ENODEV;
 292                 goto done;
 293         }
 294
 295         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 296         if (parse == NULL) {
 297                 ret = -ENOMEM;
 298                 goto done;
 299         }
 300
 301         tuple.DesiredTuple = CISTPL_MANFID;
 302         tuple.Attributes = TUPLE_RETURN_COMMON;
 303         tuple.TupleData = buf;
 304         tuple.TupleDataMax = sizeof(buf);
 305         tuple.TupleOffset = 0;
 306         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 307             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 308             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 309             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
 310                 /* No SanDisk manfid found */
 311                 ret = -ENODEV;
 312                 goto done;
 313         }
 314
 315         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
 316         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 317             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 318             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 319                 parse->longlink_mfc.nfn < 2) {
 320                 /* No multi-function links found */
 321                 ret = -ENODEV;
 322                 goto done;
 323         }
 324
 325         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
 326                " - using vendor-specific initialization\n", dev->name);
 327         hw_priv->sandisk_connectplus = 1;
 328
 329         reg.Function = 0;
 330         reg.Action = CS_WRITE;
 331         reg.Offset = CISREG_COR;
 332         reg.Value = COR_SOFT_RESET;
 333         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 334                                                    &reg);
 335         if (res != CS_SUCCESS) {
 336                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 337                        dev->name, res);
 338                 goto done;
 339         }
 340         mdelay(5);
 341
 342         reg.Function = 0;
 343         reg.Action = CS_WRITE;
 344         reg.Offset = CISREG_COR;
 345         /*
 346          * Do not enable interrupts here to avoid some bogus events. Interrupts
 347          * will be enabled during the first cor_sreset call.
 348          */
 349         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
 350         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 351                                                    &reg);
 352         if (res != CS_SUCCESS) {
 353                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 354                        dev->name, res);
 355                 goto done;
 356         }
 357         mdelay(5);
 358
 359         sandisk_set_iobase(local);
 360
 361         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
 362         udelay(10);
 363         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
 364         udelay(10);
 365
 366 done:
 367         kfree(parse);
 368         return ret;
 369 }
 370
 371
 372 static void prism2_pccard_cor_sreset(local_info_t *local)
 373 {
 374         int res;
 375         conf_reg_t reg;
 376         struct hostap_cs_priv *hw_priv = local->hw_priv;
 377
 378         if (!prism2_pccard_card_present(local))
 379                return;
 380
 381         reg.Function = 0;
 382         reg.Action = CS_READ;
 383         reg.Offset = CISREG_COR;
 384         reg.Value = 0;
 385         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 386                                                    &reg);
 387         if (res != CS_SUCCESS) {
 388                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
 389                        res);
 390                 return;
 391         }
 392         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
 393                reg.Value);
 394
 395         reg.Action = CS_WRITE;
 396         reg.Value |= COR_SOFT_RESET;
 397         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 398                                                    &reg);
 399         if (res != CS_SUCCESS) {
 400                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
 401                        res);
 402                 return;
 403         }
 404
 405         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 406
 407         reg.Value &= ~COR_SOFT_RESET;
 408         if (hw_priv->sandisk_connectplus)
 409                 reg.Value |= COR_IREQ_ENA;
 410         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 411                                                    &reg);
 412         if (res != CS_SUCCESS) {
 413                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
 414                        res);
 415                 return;
 416         }
 417
 418         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 419
 420         if (hw_priv->sandisk_connectplus)
 421                 sandisk_set_iobase(local);
 422 }
 423
 424
 425 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
 426 {
 427         int res;
 428         conf_reg_t reg;
 429         int old_cor;
 430         struct hostap_cs_priv *hw_priv = local->hw_priv;
 431
 432         if (!prism2_pccard_card_present(local))
 433                return;
 434
 435         if (hw_priv->sandisk_connectplus) {
 436                 sandisk_write_hcr(local, hcr);
 437                 return;
 438         }
 439
 440         reg.Function = 0;
 441         reg.Action = CS_READ;
 442         reg.Offset = CISREG_COR;
 443         reg.Value = 0;
 444         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 445                                                    &reg);
 446         if (res != CS_SUCCESS) {
 447                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
 448                        "(%d)\n", res);
 449                 return;
 450         }
 451         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
 452                reg.Value);
 453         old_cor = reg.Value;
 454
 455         reg.Action = CS_WRITE;
 456         reg.Value |= COR_SOFT_RESET;
 457         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 458                                                    &reg);
 459         if (res != CS_SUCCESS) {
 460                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
 461                        "(%d)\n", res);
 462                 return;
 463         }
 464
 465         mdelay(10);
 466
 467         /* Setup Genesis mode */
 468         reg.Action = CS_WRITE;
 469         reg.Value = hcr;
 470         reg.Offset = CISREG_CCSR;
 471         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 472                                                    &reg);
 473         if (res != CS_SUCCESS) {
 474                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
 475                        "(%d)\n", res);
 476                 return;
 477         }
 478         mdelay(10);
 479
 480         reg.Action = CS_WRITE;
 481         reg.Offset = CISREG_COR;
 482         reg.Value = old_cor & ~COR_SOFT_RESET;
 483         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 484                                                    &reg);
 485         if (res != CS_SUCCESS) {
 486                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
 487                        "(%d)\n", res);
 488                 return;
 489         }
 490
 491         mdelay(10);
 492 }
 493
 494
 495 static int prism2_pccard_dev_open(local_info_t *local)
 496 {
 497         struct hostap_cs_priv *hw_priv = local->hw_priv;
 498         hw_priv->link->open++;
 499         return 0;
 500 }
 501
 502
 503 static int prism2_pccard_dev_close(local_info_t *local)
 504 {
 505         struct hostap_cs_priv *hw_priv;
 506
 507         if (local == NULL || local->hw_priv == NULL)
 508                 return 1;
 509         hw_priv = local->hw_priv;
 510         if (hw_priv->link == NULL)
 511                 return 1;
 512
 513         if (!hw_priv->link->open) {
 514                 printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
 515                        "link not open?!\n", local->dev->name);
 516                 return 1;
 517         }
 518
 519         hw_priv->link->open--;
 520
 521         return 0;
 522 }
 523
 524
 525 static struct prism2_helper_functions prism2_pccard_funcs =
 526 {
 527         .card_present   = prism2_pccard_card_present,
 528         .cor_sreset     = prism2_pccard_cor_sreset,
 529         .dev_open       = prism2_pccard_dev_open,
 530         .dev_close      = prism2_pccard_dev_close,
 531         .genesis_reset  = prism2_pccard_genesis_reset,
 532         .hw_type        = HOSTAP_HW_PCCARD,
 533 };
 534
 535
 536 /* allocate local data and register with CardServices
 537  * initialize dev_link structure, but do not configure the card yet */
 538 static dev_link_t *prism2_attach(void)
 539 {
 540         dev_link_t *link;
 541         client_reg_t client_reg;
 542         int ret;
 543
 544         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
 545         if (link == NULL)
 546                 return NULL;
 547
 548         memset(link, 0, sizeof(dev_link_t));
 549
 550         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
 551         link->conf.Vcc = 33;
 552         link->conf.IntType = INT_MEMORY_AND_IO;
 553
 554         /* register with CardServices */
 555         link->next = dev_list;
 556         dev_list = link;
 557         client_reg.dev_info = &dev_info;
 558         client_reg.Version = 0x0210;
 559         client_reg.event_callback_args.client_data = link;
 560         ret = pcmcia_register_client(&link->handle, &client_reg);
 561         if (ret != CS_SUCCESS) {
 562                 cs_error(link->handle, RegisterClient, ret);
 563                 prism2_detach(link);
 564                 return NULL;
 565         }
 566         return link;
 567 }
 568
 569
 570 static void prism2_detach(dev_link_t *link)
 571 {
 572         dev_link_t **linkp;
 573
 574         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
 575
 576         for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
 577                 if (*linkp == link)
 578                         break;
 579         if (*linkp == NULL) {
 580                 printk(KERN_WARNING "%s: Attempt to detach non-existing "
 581                        "PCMCIA client\n", dev_info);
 582                 return;
 583         }
 584
 585         if (link->state & DEV_CONFIG) {
 586                 prism2_release((u_long)link);
 587         }
 588
 589         if (link->handle) {
 590                 int res = pcmcia_deregister_client(link->handle);
 591                 if (res) {
 592                         printk("CardService(DeregisterClient) => %d\n", res);
 593                         cs_error(link->handle, DeregisterClient, res);
 594                 }
 595         }
 596
 597         *linkp = link->next;
 598         /* release net devices */
 599         if (link->priv) {
 600                 struct net_device *dev;
 601                 struct hostap_interface *iface;
 602                 dev = link->priv;
 603                 iface = netdev_priv(dev);
 604                 kfree(iface->local->hw_priv);
 605                 iface->local->hw_priv = NULL;
 606                 prism2_free_local_data(dev);
 607         }
 608         kfree(link);
 609 }
 610
 611
 612 #define CS_CHECK(fn, ret) \
 613 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 614
 615 #define CFG_CHECK2(fn, retf) \
 616 do { int ret = (retf); \
 617 if (ret != 0) { \
 618         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
 619         cs_error(link->handle, fn, ret); \
 620         goto next_entry; \
 621 } \
 622 } while (0)
 623
 624
 625 /* run after a CARD_INSERTION event is received to configure the PCMCIA
 626  * socket and make the device available to the system */
 627 static int prism2_config(dev_link_t *link)
 628 {
 629         struct net_device *dev;
 630         struct hostap_interface *iface;
 631         local_info_t *local;
 632         int ret = 1;
 633         tuple_t tuple;
 634         cisparse_t *parse;
 635         int last_fn, last_ret;
 636         u_char buf[64];
 637         config_info_t conf;
 638         cistpl_cftable_entry_t dflt = { 0 };
 639         struct hostap_cs_priv *hw_priv;
 640
 641         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
 642
 643         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 644         hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL);
 645         if (parse == NULL || hw_priv == NULL) {
 646                 kfree(parse);
 647                 kfree(hw_priv);
 648                 ret = -ENOMEM;
 649                 goto failed;
 650         }
 651         memset(hw_priv, 0, sizeof(*hw_priv));
 652
 653         tuple.DesiredTuple = CISTPL_CONFIG;
 654         tuple.Attributes = 0;
 655         tuple.TupleData = buf;
 656         tuple.TupleDataMax = sizeof(buf);
 657         tuple.TupleOffset = 0;
 658         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 659         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
 660         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
 661         link->conf.ConfigBase = parse->config.base;
 662         link->conf.Present = parse->config.rmask[0];
 663
 664         CS_CHECK(GetConfigurationInfo,
 665                  pcmcia_get_configuration_info(link->handle, &conf));
 666         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
 667                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
 668         link->conf.Vcc = conf.Vcc;
 669
 670         /* Look for an appropriate configuration table entry in the CIS */
 671         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 672         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 673         for (;;) {
 674                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
 675                 CFG_CHECK2(GetTupleData,
 676                            pcmcia_get_tuple_data(link->handle, &tuple));
 677                 CFG_CHECK2(ParseTuple,
 678                            pcmcia_parse_tuple(link->handle, &tuple, parse));
 679
 680                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 681                         dflt = *cfg;
 682                 if (cfg->index == 0)
 683                         goto next_entry;
 684                 link->conf.ConfigIndex = cfg->index;
 685                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
 686                        "(default 0x%02X)\n", cfg->index, dflt.index);
 687
 688                 /* Does this card need audio output? */
 689                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
 690                         link->conf.Attributes |= CONF_ENABLE_SPKR;
 691                         link->conf.Status = CCSR_AUDIO_ENA;
 692                 }
 693
 694                 /* Use power settings for Vcc and Vpp if present */
 695                 /*  Note that the CIS values need to be rescaled */
 696                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 697                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
 698                             10000 && !ignore_cis_vcc) {
 699                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
 700                                        " this entry\n");
 701                                 goto next_entry;
 702                         }
 703                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 704                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
 705                             10000 && !ignore_cis_vcc) {
 706                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
 707                                        "- skipping this entry\n");
 708                                 goto next_entry;
 709                         }
 710                 }
 711
 712                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 713                         link->conf.Vpp1 = link->conf.Vpp2 =
 714                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 715                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 716                         link->conf.Vpp1 = link->conf.Vpp2 =
 717                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 718
 719                 /* Do we need to allocate an interrupt? */
 720                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
 721                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 722                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
 723                         /* At least Compaq WL200 does not have IRQInfo1 set,
 724                          * but it does not work without interrupts.. */
 725                         printk("Config has no IRQ info, but trying to enable "
 726                                "IRQ anyway..\n");
 727                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 728                 }
 729
 730                 /* IO window settings */
 731                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
 732                        "dflt.io.nwin=%d\n",
 733                        cfg->io.nwin, dflt.io.nwin);
 734                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
 735                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
 736                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
 737                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 738                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
 739                                "io.base=0x%04x, len=%d\n", io->flags,
 740                                io->win[0].base, io->win[0].len);
 741                         if (!(io->flags & CISTPL_IO_8BIT))
 742                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
 743                         if (!(io->flags & CISTPL_IO_16BIT))
 744                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 745                         link->io.IOAddrLines = io->flags &
 746                                 CISTPL_IO_LINES_MASK;
 747                         link->io.BasePort1 = io->win[0].base;
 748                         link->io.NumPorts1 = io->win[0].len;
 749                         if (io->nwin > 1) {
 750                                 link->io.Attributes2 = link->io.Attributes1;
 751                                 link->io.BasePort2 = io->win[1].base;
 752                                 link->io.NumPorts2 = io->win[1].len;
 753                         }
 754                 }
 755
 756                 /* This reserves IO space but doesn't actually enable it */
 757                 CFG_CHECK2(RequestIO,
 758                            pcmcia_request_io(link->handle, &link->io));
 759
 760                 /* This configuration table entry is OK */
 761                 break;
 762
 763         next_entry:
 764                 CS_CHECK(GetNextTuple,
 765                          pcmcia_get_next_tuple(link->handle, &tuple));
 766         }
 767
 768         /* Need to allocate net_device before requesting IRQ handler */
 769         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
 770                                      &handle_to_dev(link->handle));
 771         if (dev == NULL)
 772                 goto failed;
 773         link->priv = dev;
 774
 775         iface = netdev_priv(dev);
 776         local = iface->local;
 777         local->hw_priv = hw_priv;
 778         hw_priv->link = link;
 779         strcpy(hw_priv->node.dev_name, dev->name);
 780         link->dev = &hw_priv->node;
 781
 782         /*
 783          * Allocate an interrupt line.  Note that this does not assign a
 784          * handler to the interrupt, unless the 'Handler' member of the
 785          * irq structure is initialized.
 786          */
 787         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
 788                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 789                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 790                 link->irq.Handler = prism2_interrupt;
 791                 link->irq.Instance = dev;
 792                 CS_CHECK(RequestIRQ,
 793                          pcmcia_request_irq(link->handle, &link->irq));
 794         }
 795
 796         /*
 797          * This actually configures the PCMCIA socket -- setting up
 798          * the I/O windows and the interrupt mapping, and putting the
 799          * card and host interface into "Memory and IO" mode.
 800          */
 801         CS_CHECK(RequestConfiguration,
 802                  pcmcia_request_configuration(link->handle, &link->conf));
 803
 804         dev->irq = link->irq.AssignedIRQ;
 805         dev->base_addr = link->io.BasePort1;
 806
 807         /* Finally, report what we've done */
 808         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
 809                dev_info, link->conf.ConfigIndex,
 810                link->conf.Vcc / 10, link->conf.Vcc % 10);
 811         if (link->conf.Vpp1)
 812                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
 813                        link->conf.Vpp1 % 10);
 814         if (link->conf.Attributes & CONF_ENABLE_IRQ)
 815                 printk(", irq %d", link->irq.AssignedIRQ);
 816         if (link->io.NumPorts1)
 817                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
 818                        link->io.BasePort1+link->io.NumPorts1-1);
 819         if (link->io.NumPorts2)
 820                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
 821                        link->io.BasePort2+link->io.NumPorts2-1);
 822         printk("\n");
 823
 824         link->state |= DEV_CONFIG;
 825         link->state &= ~DEV_CONFIG_PENDING;
 826
 827         local->shutdown = 0;
 828
 829         sandisk_enable_wireless(dev);
 830
 831         ret = prism2_hw_config(dev, 1);
 832         if (!ret) {
 833                 ret = hostap_hw_ready(dev);
 834                 if (ret == 0 && local->ddev)
 835                         strcpy(hw_priv->node.dev_name, local->ddev->name);
 836         }
 837         kfree(parse);
 838         return ret;
 839
 840  cs_failed:
 841         cs_error(link->handle, last_fn, last_ret);
 842
 843  failed:
 844         kfree(parse);
 845         kfree(hw_priv);
 846         prism2_release((u_long)link);
 847         return ret;
 848 }
 849
 850
 851 static void prism2_release(u_long arg)
 852 {
 853         dev_link_t *link = (dev_link_t *)arg;
 854
 855         PDEBUG(DEBUG_FLOW, "prism2_release\n");
 856
 857         if (link->priv) {
 858                 struct net_device *dev = link->priv;
 859                 struct hostap_interface *iface;
 860
 861                 iface = netdev_priv(dev);
 862                 if (link->state & DEV_CONFIG)
 863                         prism2_hw_shutdown(dev, 0);
 864                 iface->local->shutdown = 1;
 865         }
 866
 867         if (link->win)
 868                 pcmcia_release_window(link->win);
 869         pcmcia_release_configuration(link->handle);
 870         if (link->io.NumPorts1)
 871                 pcmcia_release_io(link->handle, &link->io);
 872         if (link->irq.AssignedIRQ)
 873                 pcmcia_release_irq(link->handle, &link->irq);
 874
 875         link->state &= ~DEV_CONFIG;
 876
 877         PDEBUG(DEBUG_FLOW, "release - done\n");
 878 }
 879
 880
 881 static int prism2_event(event_t event, int priority,
 882                         event_callback_args_t *args)
 883 {
 884         dev_link_t *link = args->client_data;
 885         struct net_device *dev = (struct net_device *) link->priv;
 886
 887         switch (event) {
 888         case CS_EVENT_CARD_INSERTION:
 889                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
 890                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 891                 if (prism2_config(link)) {
 892                         PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
 893                 }
 894                 break;
 895
 896         case CS_EVENT_CARD_REMOVAL:
 897                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
 898                 link->state &= ~DEV_PRESENT;
 899                 if (link->state & DEV_CONFIG) {
 900                         netif_stop_queue(dev);
 901                         netif_device_detach(dev);
 902                         prism2_release((u_long) link);
 903                 }
 904                 break;
 905
 906         case CS_EVENT_PM_SUSPEND:
 907                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 908                 link->state |= DEV_SUSPEND;
 909                 /* fall through */
 910
 911         case CS_EVENT_RESET_PHYSICAL:
 912                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
 913                 if (link->state & DEV_CONFIG) {
 914                         if (link->open) {
 915                                 netif_stop_queue(dev);
 916                                 netif_device_detach(dev);
 917                         }
 918                         prism2_suspend(dev);
 919                         pcmcia_release_configuration(link->handle);
 920                 }
 921                 break;
 922
 923         case CS_EVENT_PM_RESUME:
 924                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
 925                 link->state &= ~DEV_SUSPEND;
 926                 /* fall through */
 927
 928         case CS_EVENT_CARD_RESET:
 929                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
 930                 if (link->state & DEV_CONFIG) {
 931                         pcmcia_request_configuration(link->handle,
 932                                                      &link->conf);
 933                         prism2_hw_shutdown(dev, 1);
 934                         prism2_hw_config(dev, link->open ? 0 : 1);
 935                         if (link->open) {
 936                                 netif_device_attach(dev);
 937                                 netif_start_queue(dev);
 938                         }
 939                 }
 940                 break;
 941
 942         default:
 943                 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
 944                        dev_info, event);
 945                 break;
 946         }
 947         return 0;
 948 }
 949
 950
 951 static struct pcmcia_device_id hostap_cs_ids[] = {
 952         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
 953         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
 954         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
 955         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
 956         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
 957         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
 958         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
 959         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
 960         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
 961         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
 962         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
 963         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
 964         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
 965         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
 966         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
 967         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
 968         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
 969         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
 970         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
 971         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
 972                                     0x7a954bd9, 0x74be00c6),
 973         PCMCIA_DEVICE_PROD_ID1234(
 974                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
 975                 "Eval-RevA",
 976                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
 977         PCMCIA_DEVICE_PROD_ID123(
 978                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
 979                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
 980         PCMCIA_DEVICE_PROD_ID123(
 981                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
 982                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
 983         PCMCIA_DEVICE_PROD_ID123(
 984                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
 985                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
 986         PCMCIA_DEVICE_PROD_ID123(
 987                 "SMC", "SMC2632W", "Version 01.02",
 988                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
 989         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
 990                                 0x2decece3, 0x82067c18),
 991         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
 992                                 0x54f7c49c, 0x15a75e5b),
 993         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
 994                                 0x74c5e40d, 0xdb472a18),
 995         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
 996                                 0x0733cc81, 0x0c52f395),
 997         PCMCIA_DEVICE_PROD_ID12(
 998                 "ZoomAir 11Mbps High", "Rate wireless Networking",
 999                 0x273fe3db, 0x32a1eaee),
1000         PCMCIA_DEVICE_NULL
1001 };
1002 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
1003
1004
1005 static struct pcmcia_driver hostap_driver = {
1006         .drv            = {
1007                 .name   = "hostap_cs",
1008         },
1009         .attach         = prism2_attach,
1010         .detach         = prism2_detach,
1011         .owner          = THIS_MODULE,
1012         .event          = prism2_event,
1013         .id_table       = hostap_cs_ids,
1014 };
1015
1016 static int __init init_prism2_pccard(void)
1017 {
1018         printk(KERN_INFO "%s: %s\n", dev_info, version);
1019         return pcmcia_register_driver(&hostap_driver);
1020 }
1021
1022 static void __exit exit_prism2_pccard(void)
1023 {
1024         pcmcia_unregister_driver(&hostap_driver);
1025         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
1026 }
1027
1028
1029 module_init(init_prism2_pccard);
1030 module_exit(exit_prism2_pccard);