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_config(dev_link_t *link);
 208
 209
 210 static int prism2_pccard_card_present(local_info_t *local)
 211 {
 212         struct hostap_cs_priv *hw_priv = local->hw_priv;
 213         if (hw_priv != NULL && hw_priv->link != NULL &&
 214             ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
 215              (DEV_PRESENT | DEV_CONFIG)))
 216                 return 1;
 217         return 0;
 218 }
 219
 220
 221 /*
 222  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
 223  * Document No. 20-10-00058, January 2004
 224  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
 225  */
 226 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
 227 #define SANDISK_HCR_OFF 0x42
 228
 229
 230 static void sandisk_set_iobase(local_info_t *local)
 231 {
 232         int res;
 233         conf_reg_t reg;
 234         struct hostap_cs_priv *hw_priv = local->hw_priv;
 235
 236         reg.Function = 0;
 237         reg.Action = CS_WRITE;
 238         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
 239         reg.Value = hw_priv->link->io.BasePort1 & 0x00ff;
 240         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 241                                                    &reg);
 242         if (res != CS_SUCCESS) {
 243                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
 244                        " res=%d\n", res);
 245         }
 246         udelay(10);
 247
 248         reg.Function = 0;
 249         reg.Action = CS_WRITE;
 250         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
 251         reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8;
 252         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 253                                                    &reg);
 254         if (res != CS_SUCCESS) {
 255                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
 256                        " res=%d\n", res);
 257         }
 258 }
 259
 260
 261 static void sandisk_write_hcr(local_info_t *local, int hcr)
 262 {
 263         struct net_device *dev = local->dev;
 264         int i;
 265
 266         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
 267         udelay(50);
 268         for (i = 0; i < 10; i++) {
 269                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
 270         }
 271         udelay(55);
 272         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
 273 }
 274
 275
 276 static int sandisk_enable_wireless(struct net_device *dev)
 277 {
 278         int res, ret = 0;
 279         conf_reg_t reg;
 280         struct hostap_interface *iface = dev->priv;
 281         local_info_t *local = iface->local;
 282         tuple_t tuple;
 283         cisparse_t *parse = NULL;
 284         u_char buf[64];
 285         struct hostap_cs_priv *hw_priv = local->hw_priv;
 286
 287         if (hw_priv->link->io.NumPorts1 < 0x42) {
 288                 /* Not enough ports to be SanDisk multi-function card */
 289                 ret = -ENODEV;
 290                 goto done;
 291         }
 292
 293         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 294         if (parse == NULL) {
 295                 ret = -ENOMEM;
 296                 goto done;
 297         }
 298
 299         tuple.DesiredTuple = CISTPL_MANFID;
 300         tuple.Attributes = TUPLE_RETURN_COMMON;
 301         tuple.TupleData = buf;
 302         tuple.TupleDataMax = sizeof(buf);
 303         tuple.TupleOffset = 0;
 304         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 305             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 306             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 307             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
 308                 /* No SanDisk manfid found */
 309                 ret = -ENODEV;
 310                 goto done;
 311         }
 312
 313         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
 314         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
 315             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
 316             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
 317                 parse->longlink_mfc.nfn < 2) {
 318                 /* No multi-function links found */
 319                 ret = -ENODEV;
 320                 goto done;
 321         }
 322
 323         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
 324                " - using vendor-specific initialization\n", dev->name);
 325         hw_priv->sandisk_connectplus = 1;
 326
 327         reg.Function = 0;
 328         reg.Action = CS_WRITE;
 329         reg.Offset = CISREG_COR;
 330         reg.Value = COR_SOFT_RESET;
 331         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 332                                                    &reg);
 333         if (res != CS_SUCCESS) {
 334                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 335                        dev->name, res);
 336                 goto done;
 337         }
 338         mdelay(5);
 339
 340         reg.Function = 0;
 341         reg.Action = CS_WRITE;
 342         reg.Offset = CISREG_COR;
 343         /*
 344          * Do not enable interrupts here to avoid some bogus events. Interrupts
 345          * will be enabled during the first cor_sreset call.
 346          */
 347         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
 348         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 349                                                    &reg);
 350         if (res != CS_SUCCESS) {
 351                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 352                        dev->name, res);
 353                 goto done;
 354         }
 355         mdelay(5);
 356
 357         sandisk_set_iobase(local);
 358
 359         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
 360         udelay(10);
 361         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
 362         udelay(10);
 363
 364 done:
 365         kfree(parse);
 366         return ret;
 367 }
 368
 369
 370 static void prism2_pccard_cor_sreset(local_info_t *local)
 371 {
 372         int res;
 373         conf_reg_t reg;
 374         struct hostap_cs_priv *hw_priv = local->hw_priv;
 375
 376         if (!prism2_pccard_card_present(local))
 377                return;
 378
 379         reg.Function = 0;
 380         reg.Action = CS_READ;
 381         reg.Offset = CISREG_COR;
 382         reg.Value = 0;
 383         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 384                                                    &reg);
 385         if (res != CS_SUCCESS) {
 386                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
 387                        res);
 388                 return;
 389         }
 390         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
 391                reg.Value);
 392
 393         reg.Action = CS_WRITE;
 394         reg.Value |= COR_SOFT_RESET;
 395         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 396                                                    &reg);
 397         if (res != CS_SUCCESS) {
 398                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
 399                        res);
 400                 return;
 401         }
 402
 403         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 404
 405         reg.Value &= ~COR_SOFT_RESET;
 406         if (hw_priv->sandisk_connectplus)
 407                 reg.Value |= COR_IREQ_ENA;
 408         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 409                                                    &reg);
 410         if (res != CS_SUCCESS) {
 411                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
 412                        res);
 413                 return;
 414         }
 415
 416         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
 417
 418         if (hw_priv->sandisk_connectplus)
 419                 sandisk_set_iobase(local);
 420 }
 421
 422
 423 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
 424 {
 425         int res;
 426         conf_reg_t reg;
 427         int old_cor;
 428         struct hostap_cs_priv *hw_priv = local->hw_priv;
 429
 430         if (!prism2_pccard_card_present(local))
 431                return;
 432
 433         if (hw_priv->sandisk_connectplus) {
 434                 sandisk_write_hcr(local, hcr);
 435                 return;
 436         }
 437
 438         reg.Function = 0;
 439         reg.Action = CS_READ;
 440         reg.Offset = CISREG_COR;
 441         reg.Value = 0;
 442         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 443                                                    &reg);
 444         if (res != CS_SUCCESS) {
 445                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
 446                        "(%d)\n", res);
 447                 return;
 448         }
 449         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
 450                reg.Value);
 451         old_cor = reg.Value;
 452
 453         reg.Action = CS_WRITE;
 454         reg.Value |= COR_SOFT_RESET;
 455         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 456                                                    &reg);
 457         if (res != CS_SUCCESS) {
 458                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
 459                        "(%d)\n", res);
 460                 return;
 461         }
 462
 463         mdelay(10);
 464
 465         /* Setup Genesis mode */
 466         reg.Action = CS_WRITE;
 467         reg.Value = hcr;
 468         reg.Offset = CISREG_CCSR;
 469         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 470                                                    &reg);
 471         if (res != CS_SUCCESS) {
 472                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
 473                        "(%d)\n", res);
 474                 return;
 475         }
 476         mdelay(10);
 477
 478         reg.Action = CS_WRITE;
 479         reg.Offset = CISREG_COR;
 480         reg.Value = old_cor & ~COR_SOFT_RESET;
 481         res = pcmcia_access_configuration_register(hw_priv->link->handle,
 482                                                    &reg);
 483         if (res != CS_SUCCESS) {
 484                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
 485                        "(%d)\n", res);
 486                 return;
 487         }
 488
 489         mdelay(10);
 490 }
 491
 492
 493 static struct prism2_helper_functions prism2_pccard_funcs =
 494 {
 495         .card_present   = prism2_pccard_card_present,
 496         .cor_sreset     = prism2_pccard_cor_sreset,
 497         .genesis_reset  = prism2_pccard_genesis_reset,
 498         .hw_type        = HOSTAP_HW_PCCARD,
 499 };
 500
 501
 502 /* allocate local data and register with CardServices
 503  * initialize dev_link structure, but do not configure the card yet */
 504 static int prism2_attach(struct pcmcia_device *p_dev)
 505 {
 506         dev_link_t *link;
 507
 508         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
 509         if (link == NULL)
 510                 return -ENOMEM;
 511
 512         memset(link, 0, sizeof(dev_link_t));
 513
 514         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
 515         link->conf.Vcc = 33;
 516         link->conf.IntType = INT_MEMORY_AND_IO;
 517
 518         link->handle = p_dev;
 519         p_dev->instance = link;
 520
 521         link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 522         if (prism2_config(link))
 523                 PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
 524
 525         return 0;
 526 }
 527
 528
 529 static void prism2_detach(struct pcmcia_device *p_dev)
 530 {
 531         dev_link_t *link = dev_to_instance(p_dev);
 532
 533         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
 534
 535         if (link->state & DEV_CONFIG) {
 536                 prism2_release((u_long)link);
 537         }
 538
 539         /* release net devices */
 540         if (link->priv) {
 541                 struct hostap_cs_priv *hw_priv;
 542                 struct net_device *dev;
 543                 struct hostap_interface *iface;
 544                 dev = link->priv;
 545                 iface = netdev_priv(dev);
 546                 hw_priv = iface->local->hw_priv;
 547                 prism2_free_local_data(dev);
 548                 kfree(hw_priv);
 549         }
 550         kfree(link);
 551 }
 552
 553
 554 #define CS_CHECK(fn, ret) \
 555 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 556
 557 #define CFG_CHECK2(fn, retf) \
 558 do { int ret = (retf); \
 559 if (ret != 0) { \
 560         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
 561         cs_error(link->handle, fn, ret); \
 562         goto next_entry; \
 563 } \
 564 } while (0)
 565
 566
 567 /* run after a CARD_INSERTION event is received to configure the PCMCIA
 568  * socket and make the device available to the system */
 569 static int prism2_config(dev_link_t *link)
 570 {
 571         struct net_device *dev;
 572         struct hostap_interface *iface;
 573         local_info_t *local;
 574         int ret = 1;
 575         tuple_t tuple;
 576         cisparse_t *parse;
 577         int last_fn, last_ret;
 578         u_char buf[64];
 579         config_info_t conf;
 580         cistpl_cftable_entry_t dflt = { 0 };
 581         struct hostap_cs_priv *hw_priv;
 582
 583         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
 584
 585         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
 586         hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL);
 587         if (parse == NULL || hw_priv == NULL) {
 588                 kfree(parse);
 589                 kfree(hw_priv);
 590                 ret = -ENOMEM;
 591                 goto failed;
 592         }
 593         memset(hw_priv, 0, sizeof(*hw_priv));
 594
 595         tuple.DesiredTuple = CISTPL_CONFIG;
 596         tuple.Attributes = 0;
 597         tuple.TupleData = buf;
 598         tuple.TupleDataMax = sizeof(buf);
 599         tuple.TupleOffset = 0;
 600         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 601         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
 602         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
 603         link->conf.ConfigBase = parse->config.base;
 604         link->conf.Present = parse->config.rmask[0];
 605
 606         CS_CHECK(GetConfigurationInfo,
 607                  pcmcia_get_configuration_info(link->handle, &conf));
 608         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
 609                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
 610         link->conf.Vcc = conf.Vcc;
 611
 612         /* Look for an appropriate configuration table entry in the CIS */
 613         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 614         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
 615         for (;;) {
 616                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
 617                 CFG_CHECK2(GetTupleData,
 618                            pcmcia_get_tuple_data(link->handle, &tuple));
 619                 CFG_CHECK2(ParseTuple,
 620                            pcmcia_parse_tuple(link->handle, &tuple, parse));
 621
 622                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 623                         dflt = *cfg;
 624                 if (cfg->index == 0)
 625                         goto next_entry;
 626                 link->conf.ConfigIndex = cfg->index;
 627                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
 628                        "(default 0x%02X)\n", cfg->index, dflt.index);
 629
 630                 /* Does this card need audio output? */
 631                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
 632                         link->conf.Attributes |= CONF_ENABLE_SPKR;
 633                         link->conf.Status = CCSR_AUDIO_ENA;
 634                 }
 635
 636                 /* Use power settings for Vcc and Vpp if present */
 637                 /*  Note that the CIS values need to be rescaled */
 638                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 639                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
 640                             10000 && !ignore_cis_vcc) {
 641                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
 642                                        " this entry\n");
 643                                 goto next_entry;
 644                         }
 645                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 646                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
 647                             10000 && !ignore_cis_vcc) {
 648                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
 649                                        "- skipping this entry\n");
 650                                 goto next_entry;
 651                         }
 652                 }
 653
 654                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 655                         link->conf.Vpp1 = link->conf.Vpp2 =
 656                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 657                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 658                         link->conf.Vpp1 = link->conf.Vpp2 =
 659                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 660
 661                 /* Do we need to allocate an interrupt? */
 662                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
 663                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 664                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
 665                         /* At least Compaq WL200 does not have IRQInfo1 set,
 666                          * but it does not work without interrupts.. */
 667                         printk("Config has no IRQ info, but trying to enable "
 668                                "IRQ anyway..\n");
 669                         link->conf.Attributes |= CONF_ENABLE_IRQ;
 670                 }
 671
 672                 /* IO window settings */
 673                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
 674                        "dflt.io.nwin=%d\n",
 675                        cfg->io.nwin, dflt.io.nwin);
 676                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
 677                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
 678                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
 679                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 680                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
 681                                "io.base=0x%04x, len=%d\n", io->flags,
 682                                io->win[0].base, io->win[0].len);
 683                         if (!(io->flags & CISTPL_IO_8BIT))
 684                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
 685                         if (!(io->flags & CISTPL_IO_16BIT))
 686                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 687                         link->io.IOAddrLines = io->flags &
 688                                 CISTPL_IO_LINES_MASK;
 689                         link->io.BasePort1 = io->win[0].base;
 690                         link->io.NumPorts1 = io->win[0].len;
 691                         if (io->nwin > 1) {
 692                                 link->io.Attributes2 = link->io.Attributes1;
 693                                 link->io.BasePort2 = io->win[1].base;
 694                                 link->io.NumPorts2 = io->win[1].len;
 695                         }
 696                 }
 697
 698                 /* This reserves IO space but doesn't actually enable it */
 699                 CFG_CHECK2(RequestIO,
 700                            pcmcia_request_io(link->handle, &link->io));
 701
 702                 /* This configuration table entry is OK */
 703                 break;
 704
 705         next_entry:
 706                 CS_CHECK(GetNextTuple,
 707                          pcmcia_get_next_tuple(link->handle, &tuple));
 708         }
 709
 710         /* Need to allocate net_device before requesting IRQ handler */
 711         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
 712                                      &handle_to_dev(link->handle));
 713         if (dev == NULL)
 714                 goto failed;
 715         link->priv = dev;
 716
 717         iface = netdev_priv(dev);
 718         local = iface->local;
 719         local->hw_priv = hw_priv;
 720         hw_priv->link = link;
 721         strcpy(hw_priv->node.dev_name, dev->name);
 722         link->dev = &hw_priv->node;
 723
 724         /*
 725          * Allocate an interrupt line.  Note that this does not assign a
 726          * handler to the interrupt, unless the 'Handler' member of the
 727          * irq structure is initialized.
 728          */
 729         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
 730                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 731                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 732                 link->irq.Handler = prism2_interrupt;
 733                 link->irq.Instance = dev;
 734                 CS_CHECK(RequestIRQ,
 735                          pcmcia_request_irq(link->handle, &link->irq));
 736         }
 737
 738         /*
 739          * This actually configures the PCMCIA socket -- setting up
 740          * the I/O windows and the interrupt mapping, and putting the
 741          * card and host interface into "Memory and IO" mode.
 742          */
 743         CS_CHECK(RequestConfiguration,
 744                  pcmcia_request_configuration(link->handle, &link->conf));
 745
 746         dev->irq = link->irq.AssignedIRQ;
 747         dev->base_addr = link->io.BasePort1;
 748
 749         /* Finally, report what we've done */
 750         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
 751                dev_info, link->conf.ConfigIndex,
 752                link->conf.Vcc / 10, link->conf.Vcc % 10);
 753         if (link->conf.Vpp1)
 754                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
 755                        link->conf.Vpp1 % 10);
 756         if (link->conf.Attributes & CONF_ENABLE_IRQ)
 757                 printk(", irq %d", link->irq.AssignedIRQ);
 758         if (link->io.NumPorts1)
 759                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
 760                        link->io.BasePort1+link->io.NumPorts1-1);
 761         if (link->io.NumPorts2)
 762                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
 763                        link->io.BasePort2+link->io.NumPorts2-1);
 764         printk("\n");
 765
 766         link->state |= DEV_CONFIG;
 767         link->state &= ~DEV_CONFIG_PENDING;
 768
 769         local->shutdown = 0;
 770
 771         sandisk_enable_wireless(dev);
 772
 773         ret = prism2_hw_config(dev, 1);
 774         if (!ret) {
 775                 ret = hostap_hw_ready(dev);
 776                 if (ret == 0 && local->ddev)
 777                         strcpy(hw_priv->node.dev_name, local->ddev->name);
 778         }
 779         kfree(parse);
 780         return ret;
 781
 782  cs_failed:
 783         cs_error(link->handle, last_fn, last_ret);
 784
 785  failed:
 786         kfree(parse);
 787         kfree(hw_priv);
 788         prism2_release((u_long)link);
 789         return ret;
 790 }
 791
 792
 793 static void prism2_release(u_long arg)
 794 {
 795         dev_link_t *link = (dev_link_t *)arg;
 796
 797         PDEBUG(DEBUG_FLOW, "prism2_release\n");
 798
 799         if (link->priv) {
 800                 struct net_device *dev = link->priv;
 801                 struct hostap_interface *iface;
 802
 803                 iface = netdev_priv(dev);
 804                 if (link->state & DEV_CONFIG)
 805                         prism2_hw_shutdown(dev, 0);
 806                 iface->local->shutdown = 1;
 807         }
 808
 809         if (link->win)
 810                 pcmcia_release_window(link->win);
 811         pcmcia_release_configuration(link->handle);
 812         if (link->io.NumPorts1)
 813                 pcmcia_release_io(link->handle, &link->io);
 814         if (link->irq.AssignedIRQ)
 815                 pcmcia_release_irq(link->handle, &link->irq);
 816
 817         link->state &= ~DEV_CONFIG;
 818
 819         PDEBUG(DEBUG_FLOW, "release - done\n");
 820 }
 821
 822 static int hostap_cs_suspend(struct pcmcia_device *p_dev)
 823 {
 824         dev_link_t *link = dev_to_instance(p_dev);
 825         struct net_device *dev = (struct net_device *) link->priv;
 826         int dev_open = 0;
 827
 828         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 829
 830         link->state |= DEV_SUSPEND;
 831
 832         if (link->state & DEV_CONFIG) {
 833                 struct hostap_interface *iface = netdev_priv(dev);
 834                 if (iface && iface->local)
 835                         dev_open = iface->local->num_dev_open > 0;
 836                 if (dev_open) {
 837                         netif_stop_queue(dev);
 838                         netif_device_detach(dev);
 839                 }
 840                 prism2_suspend(dev);
 841                 pcmcia_release_configuration(link->handle);
 842         }
 843
 844         return 0;
 845 }
 846
 847 static int hostap_cs_resume(struct pcmcia_device *p_dev)
 848 {
 849         dev_link_t *link = dev_to_instance(p_dev);
 850         struct net_device *dev = (struct net_device *) link->priv;
 851         int dev_open = 0;
 852
 853         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
 854
 855         link->state &= ~DEV_SUSPEND;
 856         if (link->state & DEV_CONFIG) {
 857                 struct hostap_interface *iface = netdev_priv(dev);
 858                 if (iface && iface->local)
 859                         dev_open = iface->local->num_dev_open > 0;
 860
 861                 pcmcia_request_configuration(link->handle, &link->conf);
 862
 863                 prism2_hw_shutdown(dev, 1);
 864                 prism2_hw_config(dev, dev_open ? 0 : 1);
 865                 if (dev_open) {
 866                         netif_device_attach(dev);
 867                         netif_start_queue(dev);
 868                 }
 869         }
 870
 871         return 0;
 872 }
 873
 874 static struct pcmcia_device_id hostap_cs_ids[] = {
 875         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
 876         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
 877         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
 878         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
 879         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
 880         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
 881         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
 882         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
 883         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
 884         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
 885         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
 886         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
 887         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
 888         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
 889         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
 890         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
 891         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
 892         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
 893         PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
 894                                          0x74c5e40d),
 895         PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
 896                                          0x4b801a17),
 897         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
 898                                     0x7a954bd9, 0x74be00c6),
 899         PCMCIA_DEVICE_PROD_ID1234(
 900                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
 901                 "Eval-RevA",
 902                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
 903         PCMCIA_DEVICE_PROD_ID123(
 904                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
 905                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
 906         PCMCIA_DEVICE_PROD_ID123(
 907                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
 908                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
 909         PCMCIA_DEVICE_PROD_ID123(
 910                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
 911                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
 912         PCMCIA_DEVICE_PROD_ID123(
 913                 "SMC", "SMC2632W", "Version 01.02",
 914                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
 915         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
 916                                 0x2decece3, 0x82067c18),
 917         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
 918                                 0x54f7c49c, 0x15a75e5b),
 919         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
 920                                 0x74c5e40d, 0xdb472a18),
 921         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
 922                                 0x0733cc81, 0x0c52f395),
 923         PCMCIA_DEVICE_PROD_ID12(
 924                 "ZoomAir 11Mbps High", "Rate wireless Networking",
 925                 0x273fe3db, 0x32a1eaee),
 926         PCMCIA_DEVICE_NULL
 927 };
 928 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
 929
 930
 931 static struct pcmcia_driver hostap_driver = {
 932         .drv            = {
 933                 .name   = "hostap_cs",
 934         },
 935         .probe          = prism2_attach,
 936         .remove         = prism2_detach,
 937         .owner          = THIS_MODULE,
 938         .id_table       = hostap_cs_ids,
 939         .suspend        = hostap_cs_suspend,
 940         .resume         = hostap_cs_resume,
 941 };
 942
 943 static int __init init_prism2_pccard(void)
 944 {
 945         printk(KERN_INFO "%s: %s\n", dev_info, version);
 946         return pcmcia_register_driver(&hostap_driver);
 947 }
 948
 949 static void __exit exit_prism2_pccard(void)
 950 {
 951         pcmcia_unregister_driver(&hostap_driver);
 952         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
 953 }
 954
 955
 956 module_init(init_prism2_pccard);
 957 module_exit(exit_prism2_pccard);