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
  29 MODULE_AUTHOR("Jouni Malinen");
  30 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
  31                    "cards (PC Card).");
  32 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
  33 MODULE_LICENSE("GPL");
  34 MODULE_VERSION(PRISM2_VERSION);
  35
  36
  37 static int ignore_cis_vcc;
  38 module_param(ignore_cis_vcc, int, 0444);
  39 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
  40
  41
  42 /* struct local_info::hw_priv */
  43 struct hostap_cs_priv {
  44         dev_node_t node;
  45         dev_link_t *link;
  46         int sandisk_connectplus;
  47 };
  48
  49
  50 #ifdef PRISM2_IO_DEBUG
  51
  52 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
  53 {
  54         struct hostap_interface *iface;
  55         local_info_t *local;
  56         unsigned long flags;
  57
  58         iface = netdev_priv(dev);
  59         local = iface->local;
  60         spin_lock_irqsave(&local->lock, flags);
  61         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
  62         outb(v, dev->base_addr + a);
  63         spin_unlock_irqrestore(&local->lock, flags);
  64 }
  65
  66 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
  67 {
  68         struct hostap_interface *iface;
  69         local_info_t *local;
  70         unsigned long flags;
  71         u8 v;
  72
  73         iface = netdev_priv(dev);
  74         local = iface->local;
  75         spin_lock_irqsave(&local->lock, flags);
  76         v = inb(dev->base_addr + a);
  77         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
  78         spin_unlock_irqrestore(&local->lock, flags);
  79         return v;
  80 }
  81
  82 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
  83 {
  84         struct hostap_interface *iface;
  85         local_info_t *local;
  86         unsigned long flags;
  87
  88         iface = netdev_priv(dev);
  89         local = iface->local;
  90         spin_lock_irqsave(&local->lock, flags);
  91         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
  92         outw(v, dev->base_addr + a);
  93         spin_unlock_irqrestore(&local->lock, flags);
  94 }
  95
  96 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
  97 {
  98         struct hostap_interface *iface;
  99         local_info_t *local;
 100         unsigned long flags;
 101         u16 v;
 102
 103         iface = netdev_priv(dev);
 104         local = iface->local;
 105         spin_lock_irqsave(&local->lock, flags);
 106         v = inw(dev->base_addr + a);
 107         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
 108         spin_unlock_irqrestore(&local->lock, flags);
 109         return v;
 110 }
 111
 112 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
 113                                        u8 *buf, int wc)
 114 {
 115         struct hostap_interface *iface;
 116         local_info_t *local;
 117         unsigned long flags;
 118
 119         iface = netdev_priv(dev);
 120         local = iface->local;
 121         spin_lock_irqsave(&local->lock, flags);
 122         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
 123         outsw(dev->base_addr + a, buf, wc);
 124         spin_unlock_irqrestore(&local->lock, flags);
 125 }
 126
 127 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
 128                                       u8 *buf, int wc)
 129 {
 130         struct hostap_interface *iface;
 131         local_info_t *local;
 132         unsigned long flags;
 133
 134         iface = netdev_priv(dev);
 135         local = iface->local;
 136         spin_lock_irqsave(&local->lock, flags);
 137         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
 138         insw(dev->base_addr + a, buf, wc);
 139         spin_unlock_irqrestore(&local->lock, flags);
 140 }
 141
 142 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
 143 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
 144 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
 145 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
 146 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
 147 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
 148
 149 #else /* PRISM2_IO_DEBUG */
 150
 151 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
 152 #define HFA384X_INB(a) inb(dev->base_addr + (a))
 153 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
 154 #define HFA384X_INW(a) inw(dev->base_addr + (a))
 155 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
 156 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
 157
 158 #endif /* PRISM2_IO_DEBUG */
 159
 160
 161 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
 162                             int len)
 163 {
 164         u16 d_off;
 165         u16 *pos;
 166
 167         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 168         pos = (u16 *) buf;
 169
 170         if (len / 2)
 171                 HFA384X_INSW(d_off, buf, len / 2);
 172         pos += len / 2;
 173
 174         if (len & 1)
 175                 *((char *) pos) = HFA384X_INB(d_off);
 176
 177         return 0;
 178 }
 179
 180
 181 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
 182 {
 183         u16 d_off;
 184         u16 *pos;
 185
 186         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 187         pos = (u16 *) buf;
 188
 189         if (len / 2)
 190                 HFA384X_OUTSW(d_off, buf, len / 2);
 191         pos += len / 2;
 192
 193         if (len & 1)
 194                 HFA384X_OUTB(*((char *) pos), d_off);
 195
 196         return 0;
 197 }
 198
 199
 200 /* FIX: This might change at some point.. */
 201 #include "hostap_hw.c"
 202
 203
 204
 205 static void prism2_detach(struct pcmcia_device *p_dev);
 206 static void prism2_release(u_long arg);
 207 static int prism2_event(event_t event, int priority,
 208                         event_callback_args_t *args);
 209
 210
 211 static int prism2_pccard_card_present(local_info_t *local)
 212 {
 213         struct hostap_cs_priv *hw_priv = local->hw_priv;
 214         if (hw_priv != NULL && hw_priv->link != NULL &&
 215             ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
 216              (DEV_PRESENT | DEV_CONFIG)))
 217                 return 1;
 218         return 0;
 219 }
 220
 221
 222 /*
 223  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
 224  * Document No. 20-10-00058, January 2004
 225  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
 226  */
 227 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
 228 #define SANDISK_HCR_OFF 0x42
 229
 230
 231 static void sandisk_set_iobase(local_info_t *local)
 232 {
 233         int res;
 234         conf_reg_t reg;
 235         struct hostap_cs_priv *hw_priv = local->hw_priv;
 236
 237         reg.Function = 0;
 238         reg.Action = CS_WRITE;
 239         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
 240         reg.Value = hw_priv->link->io.BasePort1 & 0x00ff;
 241         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 242                                                    &reg);
 243         if (res != CS_SUCCESS) {
 244                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
 245                        " res=%d\n", res);
 246         }
 247         udelay(10);
 248
 249         reg.Function = 0;
 250         reg.Action = CS_WRITE;
 251         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
 252         reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8;
 253         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 254                                                    &reg);
 255         if (res != CS_SUCCESS) {
 256                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
 257                        " res=%d\n", res);
 258         }
 259 }
 260
 261
 262 static void sandisk_write_hcr(local_info_t *local, int hcr)
 263 {
 264         struct net_device *dev = local->dev;
 265         int i;
 266
 267         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
 268         udelay(50);
 269         for (i = 0; i < 10; i++) {
 270                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
 271         }
 272         udelay(55);
 273         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
 274 }
 275
 276
 277 static int sandisk_enable_wireless(struct net_device *dev)
 278 {
 279         int res, ret = 0;
 280         conf_reg_t reg;
 281         struct hostap_interface *iface = dev->priv;
 282         local_info_t *local = iface->local;
 283         tuple_t tuple;
 284         cisparse_t *parse = NULL;
 285         u_char buf[64];
 286         struct hostap_cs_priv *hw_priv = local->hw_priv;
 287
 288         if (hw_priv->link->io.NumPorts1 < 0x42) {
 289                 /* Not enough ports to be SanDisk multi-function card */
 290                 ret = -ENODEV;
 291                 goto done;
 292         }
 293
 294         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 295         if (parse == NULL) {
 296                 ret = -ENOMEM;
 297                 goto done;
 298         }
 299
 300         tuple.DesiredTuple = CISTPL_MANFID;
 301         tuple.Attributes = TUPLE_RETURN_COMMON;
 302         tuple.TupleData = buf;
 303         tuple.TupleDataMax = sizeof(buf);
 304         tuple.TupleOffset = 0;
 305         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 306             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 307             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 308             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
 309                 /* No SanDisk manfid found */
 310                 ret = -ENODEV;
 311                 goto done;
 312         }
 313
 314         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
 315         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 316             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 317             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 318                 parse->longlink_mfc.nfn < 2) {
 319                 /* No multi-function links found */
 320                 ret = -ENODEV;
 321                 goto done;
 322         }
 323
 324         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
 325                " - using vendor-specific initialization\n", dev->name);
 326         hw_priv->sandisk_connectplus = 1;
 327
 328         reg.Function = 0;
 329         reg.Action = CS_WRITE;
 330         reg.Offset = CISREG_COR;
 331         reg.Value = COR_SOFT_RESET;
 332         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 333                                                    &reg);
 334         if (res != CS_SUCCESS) {
 335                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 336                        dev->name, res);
 337                 goto done;
 338         }
 339         mdelay(5);
 340
 341         reg.Function = 0;
 342         reg.Action = CS_WRITE;
 343         reg.Offset = CISREG_COR;
 344         /*
 345          * Do not enable interrupts here to avoid some bogus events. Interrupts
 346          * will be enabled during the first cor_sreset call.
 347          */
 348         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
 349         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 350                                                    &reg);
 351         if (res != CS_SUCCESS) {
 352                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 353                        dev->name, res);
 354                 goto done;
 355         }
 356         mdelay(5);
 357
 358         sandisk_set_iobase(local);
 359
 360         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
 361         udelay(10);
 362         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
 363         udelay(10);
 364
 365 done:
 366         kfree(parse);
 367         return ret;
 368 }
 369
 370
 371 static void prism2_pccard_cor_sreset(local_info_t *local)
 372 {
 373         int res;
 374         conf_reg_t reg;
 375         struct hostap_cs_priv *hw_priv = local->hw_priv;
 376
 377         if (!prism2_pccard_card_present(local))
 378                return;
 379
 380         reg.Function = 0;
 381         reg.Action = CS_READ;
 382         reg.Offset = CISREG_COR;
 383         reg.Value = 0;
 384         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 385                                                    &reg);
 386         if (res != CS_SUCCESS) {
 387                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
 388                        res);
 389                 return;
 390         }
 391         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
 392                reg.Value);
 393
 394         reg.Action = CS_WRITE;
 395         reg.Value |= COR_SOFT_RESET;
 396         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 397                                                    &reg);
 398         if (res != CS_SUCCESS) {
 399                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
 400                        res);
 401                 return;
 402         }
 403
 404         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 405
 406         reg.Value &= ~COR_SOFT_RESET;
 407         if (hw_priv->sandisk_connectplus)
 408                 reg.Value |= COR_IREQ_ENA;
 409         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 410                                                    &reg);
 411         if (res != CS_SUCCESS) {
 412                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
 413                        res);
 414                 return;
 415         }
 416
 417         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 418
 419         if (hw_priv->sandisk_connectplus)
 420                 sandisk_set_iobase(local);
 421 }
 422
 423
 424 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
 425 {
 426         int res;
 427         conf_reg_t reg;
 428         int old_cor;
 429         struct hostap_cs_priv *hw_priv = local->hw_priv;
 430
 431         if (!prism2_pccard_card_present(local))
 432                return;
 433
 434         if (hw_priv->sandisk_connectplus) {
 435                 sandisk_write_hcr(local, hcr);
 436                 return;
 437         }
 438
 439         reg.Function = 0;
 440         reg.Action = CS_READ;
 441         reg.Offset = CISREG_COR;
 442         reg.Value = 0;
 443         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 444                                                    &reg);
 445         if (res != CS_SUCCESS) {
 446                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
 447                        "(%d)\n", res);
 448                 return;
 449         }
 450         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
 451                reg.Value);
 452         old_cor = reg.Value;
 453
 454         reg.Action = CS_WRITE;
 455         reg.Value |= COR_SOFT_RESET;
 456         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 457                                                    &reg);
 458         if (res != CS_SUCCESS) {
 459                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
 460                        "(%d)\n", res);
 461                 return;
 462         }
 463
 464         mdelay(10);
 465
 466         /* Setup Genesis mode */
 467         reg.Action = CS_WRITE;
 468         reg.Value = hcr;
 469         reg.Offset = CISREG_CCSR;
 470         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 471                                                    &reg);
 472         if (res != CS_SUCCESS) {
 473                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
 474                        "(%d)\n", res);
 475                 return;
 476         }
 477         mdelay(10);
 478
 479         reg.Action = CS_WRITE;
 480         reg.Offset = CISREG_COR;
 481         reg.Value = old_cor & ~COR_SOFT_RESET;
 482         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 483                                                    &reg);
 484         if (res != CS_SUCCESS) {
 485                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
 486                        "(%d)\n", res);
 487                 return;
 488         }
 489
 490         mdelay(10);
 491 }
 492
 493
 494 static struct prism2_helper_functions prism2_pccard_funcs =
 495 {
 496         .card_present   = prism2_pccard_card_present,
 497         .cor_sreset     = prism2_pccard_cor_sreset,
 498         .genesis_reset  = prism2_pccard_genesis_reset,
 499         .hw_type        = HOSTAP_HW_PCCARD,
 500 };
 501
 502
 503 /* allocate local data and register with CardServices
 504  * initialize dev_link structure, but do not configure the card yet */
 505 static dev_link_t *prism2_attach(void)
 506 {
 507         dev_link_t *link;
 508         client_reg_t client_reg;
 509         int ret;
 510
 511         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
 512         if (link == NULL)
 513                 return NULL;
 514
 515         memset(link, 0, sizeof(dev_link_t));
 516
 517         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
 518         link->conf.Vcc = 33;
 519         link->conf.IntType = INT_MEMORY_AND_IO;
 520
 521         /* register with CardServices */
 522         link->next = NULL;
 523         client_reg.dev_info = &dev_info;
 524         client_reg.Version = 0x0210;
 525         client_reg.event_callback_args.client_data = link;
 526         ret = pcmcia_register_client(&link->handle, &client_reg);
 527         if (ret != CS_SUCCESS) {
 528                 cs_error(link->handle, RegisterClient, ret);
 529                 prism2_detach(link->handle);
 530                 return NULL;
 531         }
 532         return link;
 533 }
 534
 535
 536 static void prism2_detach(struct pcmcia_device *p_dev)
 537 {
 538         dev_link_t *link = dev_to_instance(p_dev);
 539
 540         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
 541
 542         if (link->state & DEV_CONFIG) {
 543                 prism2_release((u_long)link);
 544         }
 545
 546         /* release net devices */
 547         if (link->priv) {
 548                 struct hostap_cs_priv *hw_priv;
 549                 struct net_device *dev;
 550                 struct hostap_interface *iface;
 551                 dev = link->priv;
 552                 iface = netdev_priv(dev);
 553                 hw_priv = iface->local->hw_priv;
 554                 prism2_free_local_data(dev);
 555                 kfree(hw_priv);
 556         }
 557         kfree(link);
 558 }
 559
 560
 561 #define CS_CHECK(fn, ret) \
 562 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 563
 564 #define CFG_CHECK2(fn, retf) \
 565 do { int ret = (retf); \
 566 if (ret != 0) { \
 567         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
 568         cs_error(link->handle, fn, ret); \
 569         goto next_entry; \
 570 } \
 571 } while (0)
 572
 573
 574 /* run after a CARD_INSERTION event is received to configure the PCMCIA
 575  * socket and make the device available to the system */
 576 static int prism2_config(dev_link_t *link)
 577 {
 578         struct net_device *dev;
 579         struct hostap_interface *iface;
 580         local_info_t *local;
 581         int ret = 1;
 582         tuple_t tuple;
 583         cisparse_t *parse;
 584         int last_fn, last_ret;
 585         u_char buf[64];
 586         config_info_t conf;
 587         cistpl_cftable_entry_t dflt = { 0 };
 588         struct hostap_cs_priv *hw_priv;
 589
 590         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
 591
 592         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 593         hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL);
 594         if (parse == NULL || hw_priv == NULL) {
 595                 kfree(parse);
 596                 kfree(hw_priv);
 597                 ret = -ENOMEM;
 598                 goto failed;
 599         }
 600         memset(hw_priv, 0, sizeof(*hw_priv));
 601
 602         tuple.DesiredTuple = CISTPL_CONFIG;
 603         tuple.Attributes = 0;
 604         tuple.TupleData = buf;
 605         tuple.TupleDataMax = sizeof(buf);
 606         tuple.TupleOffset = 0;
 607         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 608         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
 609         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
 610         link->conf.ConfigBase = parse->config.base;
 611         link->conf.Present = parse->config.rmask[0];
 612
 613         CS_CHECK(GetConfigurationInfo,
 614                  pcmcia_get_configuration_info(link->handle, &conf));
 615         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
 616                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
 617         link->conf.Vcc = conf.Vcc;
 618
 619         /* Look for an appropriate configuration table entry in the CIS */
 620         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 621         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 622         for (;;) {
 623                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
 624                 CFG_CHECK2(GetTupleData,
 625                            pcmcia_get_tuple_data(link->handle, &tuple));
 626                 CFG_CHECK2(ParseTuple,
 627                            pcmcia_parse_tuple(link->handle, &tuple, parse));
 628
 629                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 630                         dflt = *cfg;
 631                 if (cfg->index == 0)
 632                         goto next_entry;
 633                 link->conf.ConfigIndex = cfg->index;
 634                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
 635                        "(default 0x%02X)\n", cfg->index, dflt.index);
 636
 637                 /* Does this card need audio output? */
 638                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
 639                         link->conf.Attributes |= CONF_ENABLE_SPKR;
 640                         link->conf.Status = CCSR_AUDIO_ENA;
 641                 }
 642
 643                 /* Use power settings for Vcc and Vpp if present */
 644                 /*  Note that the CIS values need to be rescaled */
 645                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 646                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
 647                             10000 && !ignore_cis_vcc) {
 648                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
 649                                        " this entry\n");
 650                                 goto next_entry;
 651                         }
 652                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 653                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
 654                             10000 && !ignore_cis_vcc) {
 655                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
 656                                        "- skipping this entry\n");
 657                                 goto next_entry;
 658                         }
 659                 }
 660
 661                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 662                         link->conf.Vpp1 = link->conf.Vpp2 =
 663                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 664                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 665                         link->conf.Vpp1 = link->conf.Vpp2 =
 666                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 667
 668                 /* Do we need to allocate an interrupt? */
 669                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
 670                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 671                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
 672                         /* At least Compaq WL200 does not have IRQInfo1 set,
 673                          * but it does not work without interrupts.. */
 674                         printk("Config has no IRQ info, but trying to enable "
 675                                "IRQ anyway..\n");
 676                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 677                 }
 678
 679                 /* IO window settings */
 680                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
 681                        "dflt.io.nwin=%d\n",
 682                        cfg->io.nwin, dflt.io.nwin);
 683                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
 684                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
 685                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
 686                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 687                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
 688                                "io.base=0x%04x, len=%d\n", io->flags,
 689                                io->win[0].base, io->win[0].len);
 690                         if (!(io->flags & CISTPL_IO_8BIT))
 691                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
 692                         if (!(io->flags & CISTPL_IO_16BIT))
 693                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 694                         link->io.IOAddrLines = io->flags &
 695                                 CISTPL_IO_LINES_MASK;
 696                         link->io.BasePort1 = io->win[0].base;
 697                         link->io.NumPorts1 = io->win[0].len;
 698                         if (io->nwin > 1) {
 699                                 link->io.Attributes2 = link->io.Attributes1;
 700                                 link->io.BasePort2 = io->win[1].base;
 701                                 link->io.NumPorts2 = io->win[1].len;
 702                         }
 703                 }
 704
 705                 /* This reserves IO space but doesn't actually enable it */
 706                 CFG_CHECK2(RequestIO,
 707                            pcmcia_request_io(link->handle, &link->io));
 708
 709                 /* This configuration table entry is OK */
 710                 break;
 711
 712         next_entry:
 713                 CS_CHECK(GetNextTuple,
 714                          pcmcia_get_next_tuple(link->handle, &tuple));
 715         }
 716
 717         /* Need to allocate net_device before requesting IRQ handler */
 718         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
 719                                      &handle_to_dev(link->handle));
 720         if (dev == NULL)
 721                 goto failed;
 722         link->priv = dev;
 723
 724         iface = netdev_priv(dev);
 725         local = iface->local;
 726         local->hw_priv = hw_priv;
 727         hw_priv->link = link;
 728         strcpy(hw_priv->node.dev_name, dev->name);
 729         link->dev = &hw_priv->node;
 730
 731         /*
 732          * Allocate an interrupt line.  Note that this does not assign a
 733          * handler to the interrupt, unless the 'Handler' member of the
 734          * irq structure is initialized.
 735          */
 736         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
 737                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 738                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 739                 link->irq.Handler = prism2_interrupt;
 740                 link->irq.Instance = dev;
 741                 CS_CHECK(RequestIRQ,
 742                          pcmcia_request_irq(link->handle, &link->irq));
 743         }
 744
 745         /*
 746          * This actually configures the PCMCIA socket -- setting up
 747          * the I/O windows and the interrupt mapping, and putting the
 748          * card and host interface into "Memory and IO" mode.
 749          */
 750         CS_CHECK(RequestConfiguration,
 751                  pcmcia_request_configuration(link->handle, &link->conf));
 752
 753         dev->irq = link->irq.AssignedIRQ;
 754         dev->base_addr = link->io.BasePort1;
 755
 756         /* Finally, report what we've done */
 757         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
 758                dev_info, link->conf.ConfigIndex,
 759                link->conf.Vcc / 10, link->conf.Vcc % 10);
 760         if (link->conf.Vpp1)
 761                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
 762                        link->conf.Vpp1 % 10);
 763         if (link->conf.Attributes & CONF_ENABLE_IRQ)
 764                 printk(", irq %d", link->irq.AssignedIRQ);
 765         if (link->io.NumPorts1)
 766                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
 767                        link->io.BasePort1+link->io.NumPorts1-1);
 768         if (link->io.NumPorts2)
 769                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
 770                        link->io.BasePort2+link->io.NumPorts2-1);
 771         printk("\n");
 772
 773         link->state |= DEV_CONFIG;
 774         link->state &= ~DEV_CONFIG_PENDING;
 775
 776         local->shutdown = 0;
 777
 778         sandisk_enable_wireless(dev);
 779
 780         ret = prism2_hw_config(dev, 1);
 781         if (!ret) {
 782                 ret = hostap_hw_ready(dev);
 783                 if (ret == 0 && local->ddev)
 784                         strcpy(hw_priv->node.dev_name, local->ddev->name);
 785         }
 786         kfree(parse);
 787         return ret;
 788
 789  cs_failed:
 790         cs_error(link->handle, last_fn, last_ret);
 791
 792  failed:
 793         kfree(parse);
 794         kfree(hw_priv);
 795         prism2_release((u_long)link);
 796         return ret;
 797 }
 798
 799
 800 static void prism2_release(u_long arg)
 801 {
 802         dev_link_t *link = (dev_link_t *)arg;
 803
 804         PDEBUG(DEBUG_FLOW, "prism2_release\n");
 805
 806         if (link->priv) {
 807                 struct net_device *dev = link->priv;
 808                 struct hostap_interface *iface;
 809
 810                 iface = netdev_priv(dev);
 811                 if (link->state & DEV_CONFIG)
 812                         prism2_hw_shutdown(dev, 0);
 813                 iface->local->shutdown = 1;
 814         }
 815
 816         if (link->win)
 817                 pcmcia_release_window(link->win);
 818         pcmcia_release_configuration(link->handle);
 819         if (link->io.NumPorts1)
 820                 pcmcia_release_io(link->handle, &link->io);
 821         if (link->irq.AssignedIRQ)
 822                 pcmcia_release_irq(link->handle, &link->irq);
 823
 824         link->state &= ~DEV_CONFIG;
 825
 826         PDEBUG(DEBUG_FLOW, "release - done\n");
 827 }
 828
 829 static int hostap_cs_suspend(struct pcmcia_device *p_dev)
 830 {
 831         dev_link_t *link = dev_to_instance(p_dev);
 832         struct net_device *dev = (struct net_device *) link->priv;
 833         int dev_open = 0;
 834
 835         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 836
 837         link->state |= DEV_SUSPEND;
 838
 839         if (link->state & DEV_CONFIG) {
 840                 struct hostap_interface *iface = netdev_priv(dev);
 841                 if (iface && iface->local)
 842                         dev_open = iface->local->num_dev_open > 0;
 843                 if (dev_open) {
 844                         netif_stop_queue(dev);
 845                         netif_device_detach(dev);
 846                 }
 847                 prism2_suspend(dev);
 848                 pcmcia_release_configuration(link->handle);
 849         }
 850
 851         return 0;
 852 }
 853
 854 static int hostap_cs_resume(struct pcmcia_device *p_dev)
 855 {
 856         dev_link_t *link = dev_to_instance(p_dev);
 857         struct net_device *dev = (struct net_device *) link->priv;
 858         int dev_open = 0;
 859
 860         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
 861
 862         link->state &= ~DEV_SUSPEND;
 863         if (link->state & DEV_CONFIG) {
 864                 struct hostap_interface *iface = netdev_priv(dev);
 865                 if (iface && iface->local)
 866                         dev_open = iface->local->num_dev_open > 0;
 867
 868                 pcmcia_request_configuration(link->handle, &link->conf);
 869
 870                 prism2_hw_shutdown(dev, 1);
 871                 prism2_hw_config(dev, dev_open ? 0 : 1);
 872                 if (dev_open) {
 873                         netif_device_attach(dev);
 874                         netif_start_queue(dev);
 875                 }
 876         }
 877
 878         return 0;
 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
 886         switch (event) {
 887         case CS_EVENT_CARD_INSERTION:
 888                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
 889                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 890                 if (prism2_config(link)) {
 891                         PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
 892                 }
 893                 break;
 894
 895         default:
 896                 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
 897                        dev_info, event);
 898                 break;
 899         }
 900         return 0;
 901 }
 902
 903
 904 static struct pcmcia_device_id hostap_cs_ids[] = {
 905         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
 906         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
 907         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
 908         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
 909         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
 910         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
 911         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
 912         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
 913         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
 914         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
 915         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
 916         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
 917         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
 918         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
 919         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
 920         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
 921         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
 922         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
 923         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
 924         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
 925                                     0x7a954bd9, 0x74be00c6),
 926         PCMCIA_DEVICE_PROD_ID1234(
 927                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
 928                 "Eval-RevA",
 929                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
 930         PCMCIA_DEVICE_PROD_ID123(
 931                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
 932                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
 933         PCMCIA_DEVICE_PROD_ID123(
 934                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
 935                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
 936         PCMCIA_DEVICE_PROD_ID123(
 937                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
 938                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
 939         PCMCIA_DEVICE_PROD_ID123(
 940                 "SMC", "SMC2632W", "Version 01.02",
 941                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
 942         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
 943                                 0x2decece3, 0x82067c18),
 944         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
 945                                 0x54f7c49c, 0x15a75e5b),
 946         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
 947                                 0x74c5e40d, 0xdb472a18),
 948         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
 949                                 0x0733cc81, 0x0c52f395),
 950         PCMCIA_DEVICE_PROD_ID12(
 951                 "ZoomAir 11Mbps High", "Rate wireless Networking",
 952                 0x273fe3db, 0x32a1eaee),
 953         PCMCIA_DEVICE_NULL
 954 };
 955 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
 956
 957
 958 static struct pcmcia_driver hostap_driver = {
 959         .drv            = {
 960                 .name   = "hostap_cs",
 961         },
 962         .attach         = prism2_attach,
 963         .remove         = prism2_detach,
 964         .owner          = THIS_MODULE,
 965         .event          = prism2_event,
 966         .id_table       = hostap_cs_ids,
 967         .suspend        = hostap_cs_suspend,
 968         .resume         = hostap_cs_resume,
 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);