1 /* 2 * pcmciamtd.c - MTD driver for PCMCIA flash memory cards 3 * 4 * Author: Simon Evans <spse@secret.org.uk> 5 * 6 * Copyright (C) 2002 Simon Evans 7 * 8 * Licence: GPL 9 * 10 */ 11 12 #include <linux/module.h> 13 #include <linux/slab.h> 14 #include <linux/timer.h> 15 #include <linux/init.h> 16 #include <asm/io.h> 17 18 #include <pcmcia/cistpl.h> 19 #include <pcmcia/ds.h> 20 21 #include <linux/mtd/map.h> 22 #include <linux/mtd/mtd.h> 23 24 #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg) 25 26 #define DRIVER_DESC "PCMCIA Flash memory card driver" 27 28 /* Size of the PCMCIA address space: 26 bits = 64 MB */ 29 #define MAX_PCMCIA_ADDR 0x4000000 30 31 struct pcmciamtd_dev { 32 struct pcmcia_device *p_dev; 33 void __iomem *win_base; /* ioremapped address of PCMCIA window */ 34 unsigned int win_size; /* size of window */ 35 unsigned int offset; /* offset into card the window currently points at */ 36 struct map_info pcmcia_map; 37 struct mtd_info *mtd_info; 38 int vpp; 39 char mtd_name[sizeof(struct cistpl_vers_1_t)]; 40 }; 41 42 43 /* Module parameters */ 44 45 /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */ 46 static int bankwidth = 2; 47 48 /* Speed of memory accesses, in ns */ 49 static int mem_speed; 50 51 /* Force the size of an SRAM card */ 52 static int force_size; 53 54 /* Force Vpp */ 55 static int vpp; 56 57 /* Set Vpp */ 58 static int setvpp; 59 60 /* Force card to be treated as FLASH, ROM or RAM */ 61 static int mem_type; 62 63 MODULE_LICENSE("GPL"); 64 MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>"); 65 MODULE_DESCRIPTION(DRIVER_DESC); 66 module_param(bankwidth, int, 0); 67 MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)"); 68 module_param(mem_speed, int, 0); 69 MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns"); 70 module_param(force_size, int, 0); 71 MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)"); 72 module_param(setvpp, int, 0); 73 MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)"); 74 module_param(vpp, int, 0); 75 MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)"); 76 module_param(mem_type, int, 0); 77 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)"); 78 79 80 /* read/write{8,16} copy_{from,to} routines with window remapping 81 * to access whole card 82 */ 83 static void __iomem *remap_window(struct map_info *map, unsigned long to) 84 { 85 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 86 struct resource *win = (struct resource *) map->map_priv_2; 87 unsigned int offset; 88 int ret; 89 90 if (!pcmcia_dev_present(dev->p_dev)) { 91 pr_debug("device removed\n"); 92 return NULL; 93 } 94 95 offset = to & ~(dev->win_size-1); 96 if (offset != dev->offset) { 97 pr_debug("Remapping window from 0x%8.8x to 0x%8.8x\n", 98 dev->offset, offset); 99 ret = pcmcia_map_mem_page(dev->p_dev, win, offset); 100 if (ret != 0) 101 return NULL; 102 dev->offset = offset; 103 } 104 return dev->win_base + (to & (dev->win_size-1)); 105 } 106 107 108 static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs) 109 { 110 void __iomem *addr; 111 map_word d = {{0}}; 112 113 addr = remap_window(map, ofs); 114 if(!addr) 115 return d; 116 117 d.x[0] = readb(addr); 118 pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", ofs, addr, d.x[0]); 119 return d; 120 } 121 122 123 static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs) 124 { 125 void __iomem *addr; 126 map_word d = {{0}}; 127 128 addr = remap_window(map, ofs); 129 if(!addr) 130 return d; 131 132 d.x[0] = readw(addr); 133 pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", ofs, addr, d.x[0]); 134 return d; 135 } 136 137 138 static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len) 139 { 140 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 141 unsigned long win_size = dev->win_size; 142 143 pr_debug("to = %p from = %lu len = %zd\n", to, from, len); 144 while(len) { 145 int toread = win_size - (from & (win_size-1)); 146 void __iomem *addr; 147 148 if(toread > len) 149 toread = len; 150 151 addr = remap_window(map, from); 152 if(!addr) 153 return; 154 155 pr_debug("memcpy from %p to %p len = %d\n", addr, to, toread); 156 memcpy_fromio(to, addr, toread); 157 len -= toread; 158 to += toread; 159 from += toread; 160 } 161 } 162 163 164 static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr) 165 { 166 void __iomem *addr = remap_window(map, adr); 167 168 if(!addr) 169 return; 170 171 pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n", adr, addr, d.x[0]); 172 writeb(d.x[0], addr); 173 } 174 175 176 static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr) 177 { 178 void __iomem *addr = remap_window(map, adr); 179 if(!addr) 180 return; 181 182 pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n", adr, addr, d.x[0]); 183 writew(d.x[0], addr); 184 } 185 186 187 static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len) 188 { 189 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 190 unsigned long win_size = dev->win_size; 191 192 pr_debug("to = %lu from = %p len = %zd\n", to, from, len); 193 while(len) { 194 int towrite = win_size - (to & (win_size-1)); 195 void __iomem *addr; 196 197 if(towrite > len) 198 towrite = len; 199 200 addr = remap_window(map, to); 201 if(!addr) 202 return; 203 204 pr_debug("memcpy from %p to %p len = %d\n", from, addr, towrite); 205 memcpy_toio(addr, from, towrite); 206 len -= towrite; 207 to += towrite; 208 from += towrite; 209 } 210 } 211 212 213 /* read/write{8,16} copy_{from,to} routines with direct access */ 214 215 #define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev))) 216 217 static map_word pcmcia_read8(struct map_info *map, unsigned long ofs) 218 { 219 void __iomem *win_base = (void __iomem *)map->map_priv_2; 220 map_word d = {{0}}; 221 222 if(DEV_REMOVED(map)) 223 return d; 224 225 d.x[0] = readb(win_base + ofs); 226 pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", 227 ofs, win_base + ofs, d.x[0]); 228 return d; 229 } 230 231 232 static map_word pcmcia_read16(struct map_info *map, unsigned long ofs) 233 { 234 void __iomem *win_base = (void __iomem *)map->map_priv_2; 235 map_word d = {{0}}; 236 237 if(DEV_REMOVED(map)) 238 return d; 239 240 d.x[0] = readw(win_base + ofs); 241 pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", 242 ofs, win_base + ofs, d.x[0]); 243 return d; 244 } 245 246 247 static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) 248 { 249 void __iomem *win_base = (void __iomem *)map->map_priv_2; 250 251 if(DEV_REMOVED(map)) 252 return; 253 254 pr_debug("to = %p from = %lu len = %zd\n", to, from, len); 255 memcpy_fromio(to, win_base + from, len); 256 } 257 258 259 static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) 260 { 261 void __iomem *win_base = (void __iomem *)map->map_priv_2; 262 263 if(DEV_REMOVED(map)) 264 return; 265 266 pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n", 267 adr, win_base + adr, d.x[0]); 268 writeb(d.x[0], win_base + adr); 269 } 270 271 272 static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr) 273 { 274 void __iomem *win_base = (void __iomem *)map->map_priv_2; 275 276 if(DEV_REMOVED(map)) 277 return; 278 279 pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n", 280 adr, win_base + adr, d.x[0]); 281 writew(d.x[0], win_base + adr); 282 } 283 284 285 static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) 286 { 287 void __iomem *win_base = (void __iomem *)map->map_priv_2; 288 289 if(DEV_REMOVED(map)) 290 return; 291 292 pr_debug("to = %lu from = %p len = %zd\n", to, from, len); 293 memcpy_toio(win_base + to, from, len); 294 } 295 296 297 static DEFINE_SPINLOCK(pcmcia_vpp_lock); 298 static int pcmcia_vpp_refcnt; 299 static void pcmciamtd_set_vpp(struct map_info *map, int on) 300 { 301 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 302 struct pcmcia_device *link = dev->p_dev; 303 unsigned long flags; 304 305 pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp); 306 spin_lock_irqsave(&pcmcia_vpp_lock, flags); 307 if (on) { 308 if (++pcmcia_vpp_refcnt == 1) /* first nested 'on' */ 309 pcmcia_fixup_vpp(link, dev->vpp); 310 } else { 311 if (--pcmcia_vpp_refcnt == 0) /* last nested 'off' */ 312 pcmcia_fixup_vpp(link, 0); 313 } 314 spin_unlock_irqrestore(&pcmcia_vpp_lock, flags); 315 } 316 317 318 static void pcmciamtd_release(struct pcmcia_device *link) 319 { 320 struct pcmciamtd_dev *dev = link->priv; 321 322 pr_debug("link = 0x%p\n", link); 323 324 if (link->resource[2]->end) { 325 if(dev->win_base) { 326 iounmap(dev->win_base); 327 dev->win_base = NULL; 328 } 329 } 330 pcmcia_disable_device(link); 331 } 332 333 334 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, 335 tuple_t *tuple, 336 void *priv_data) 337 { 338 cisparse_t parse; 339 340 if (!pcmcia_parse_tuple(tuple, &parse)) { 341 cistpl_format_t *t = &parse.format; 342 (void)t; /* Shut up, gcc */ 343 pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n", 344 t->type, t->edc, t->offset, t->length); 345 } 346 return -ENOSPC; 347 } 348 349 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, 350 tuple_t *tuple, 351 void *priv_data) 352 { 353 cisparse_t parse; 354 int i; 355 356 if (!pcmcia_parse_tuple(tuple, &parse)) { 357 cistpl_jedec_t *t = &parse.jedec; 358 for (i = 0; i < t->nid; i++) 359 pr_debug("JEDEC: 0x%02x 0x%02x\n", 360 t->id[i].mfr, t->id[i].info); 361 } 362 return -ENOSPC; 363 } 364 365 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, 366 tuple_t *tuple, 367 void *priv_data) 368 { 369 struct pcmciamtd_dev *dev = priv_data; 370 cisparse_t parse; 371 cistpl_device_t *t = &parse.device; 372 int i; 373 374 if (pcmcia_parse_tuple(tuple, &parse)) 375 return -EINVAL; 376 377 pr_debug("Common memory:\n"); 378 dev->pcmcia_map.size = t->dev[0].size; 379 /* from here on: DEBUG only */ 380 for (i = 0; i < t->ndev; i++) { 381 pr_debug("Region %d, type = %u\n", i, t->dev[i].type); 382 pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp); 383 pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed); 384 pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size); 385 } 386 return 0; 387 } 388 389 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, 390 tuple_t *tuple, 391 void *priv_data) 392 { 393 struct pcmciamtd_dev *dev = priv_data; 394 cisparse_t parse; 395 cistpl_device_geo_t *t = &parse.device_geo; 396 int i; 397 398 if (pcmcia_parse_tuple(tuple, &parse)) 399 return -EINVAL; 400 401 dev->pcmcia_map.bankwidth = t->geo[0].buswidth; 402 /* from here on: DEBUG only */ 403 for (i = 0; i < t->ngeo; i++) { 404 pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth); 405 pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block); 406 pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block); 407 pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block); 408 pr_debug("region: %d partition = %u\n", i, t->geo[i].partition); 409 pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave); 410 } 411 return 0; 412 } 413 414 415 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name) 416 { 417 int i; 418 419 if (p_dev->prod_id[0]) { 420 dev->mtd_name[0] = '\0'; 421 for (i = 0; i < 4; i++) { 422 if (i) 423 strcat(dev->mtd_name, " "); 424 if (p_dev->prod_id[i]) 425 strcat(dev->mtd_name, p_dev->prod_id[i]); 426 } 427 pr_debug("Found name: %s\n", dev->mtd_name); 428 } 429 430 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL); 431 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL); 432 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev); 433 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev); 434 435 if(!dev->pcmcia_map.size) 436 dev->pcmcia_map.size = MAX_PCMCIA_ADDR; 437 438 if(!dev->pcmcia_map.bankwidth) 439 dev->pcmcia_map.bankwidth = 2; 440 441 if(force_size) { 442 dev->pcmcia_map.size = force_size << 20; 443 pr_debug("size forced to %dM\n", force_size); 444 } 445 446 if(bankwidth) { 447 dev->pcmcia_map.bankwidth = bankwidth; 448 pr_debug("bankwidth forced to %d\n", bankwidth); 449 } 450 451 dev->pcmcia_map.name = dev->mtd_name; 452 if(!dev->mtd_name[0]) { 453 strcpy(dev->mtd_name, "PCMCIA Memory card"); 454 *new_name = 1; 455 } 456 457 pr_debug("Device: Size: %lu Width:%d Name: %s\n", 458 dev->pcmcia_map.size, 459 dev->pcmcia_map.bankwidth << 3, dev->mtd_name); 460 } 461 462 463 static int pcmciamtd_config(struct pcmcia_device *link) 464 { 465 struct pcmciamtd_dev *dev = link->priv; 466 struct mtd_info *mtd = NULL; 467 int ret; 468 int i, j = 0; 469 static char *probes[] = { "jedec_probe", "cfi_probe" }; 470 int new_name = 0; 471 472 pr_debug("link=0x%p\n", link); 473 474 card_settings(dev, link, &new_name); 475 476 dev->pcmcia_map.phys = NO_XIP; 477 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap; 478 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap; 479 if (dev->pcmcia_map.bankwidth == 1) { 480 dev->pcmcia_map.read = pcmcia_read8_remap; 481 dev->pcmcia_map.write = pcmcia_write8_remap; 482 } else { 483 dev->pcmcia_map.read = pcmcia_read16_remap; 484 dev->pcmcia_map.write = pcmcia_write16_remap; 485 } 486 if(setvpp == 1) 487 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp; 488 489 /* Request a memory window for PCMCIA. Some architeures can map windows 490 * up to the maximum that PCMCIA can support (64MiB) - this is ideal and 491 * we aim for a window the size of the whole card - otherwise we try 492 * smaller windows until we succeed 493 */ 494 495 link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE; 496 link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ? 497 WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16; 498 link->resource[2]->start = 0; 499 link->resource[2]->end = (force_size) ? force_size << 20 : 500 MAX_PCMCIA_ADDR; 501 dev->win_size = 0; 502 503 do { 504 int ret; 505 pr_debug("requesting window with size = %luKiB memspeed = %d\n", 506 (unsigned long) resource_size(link->resource[2]) >> 10, 507 mem_speed); 508 ret = pcmcia_request_window(link, link->resource[2], mem_speed); 509 pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size); 510 if(ret) { 511 j++; 512 link->resource[2]->start = 0; 513 link->resource[2]->end = (force_size) ? 514 force_size << 20 : MAX_PCMCIA_ADDR; 515 link->resource[2]->end >>= j; 516 } else { 517 pr_debug("Got window of size %luKiB\n", (unsigned long) 518 resource_size(link->resource[2]) >> 10); 519 dev->win_size = resource_size(link->resource[2]); 520 break; 521 } 522 } while (link->resource[2]->end >= 0x1000); 523 524 pr_debug("dev->win_size = %d\n", dev->win_size); 525 526 if(!dev->win_size) { 527 dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n"); 528 pcmciamtd_release(link); 529 return -ENODEV; 530 } 531 pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10); 532 533 /* Get write protect status */ 534 dev->win_base = ioremap(link->resource[2]->start, 535 resource_size(link->resource[2])); 536 if(!dev->win_base) { 537 dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n", 538 link->resource[2]); 539 pcmciamtd_release(link); 540 return -ENODEV; 541 } 542 pr_debug("mapped window dev = %p @ %pR, base = %p\n", 543 dev, link->resource[2], dev->win_base); 544 545 dev->offset = 0; 546 dev->pcmcia_map.map_priv_1 = (unsigned long)dev; 547 dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2]; 548 549 dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp; 550 if(setvpp == 2) { 551 link->vpp = dev->vpp; 552 } else { 553 link->vpp = 0; 554 } 555 556 link->config_index = 0; 557 pr_debug("Setting Configuration\n"); 558 ret = pcmcia_enable_device(link); 559 if (ret != 0) { 560 if (dev->win_base) { 561 iounmap(dev->win_base); 562 dev->win_base = NULL; 563 } 564 return -ENODEV; 565 } 566 567 if(mem_type == 1) { 568 mtd = do_map_probe("map_ram", &dev->pcmcia_map); 569 } else if(mem_type == 2) { 570 mtd = do_map_probe("map_rom", &dev->pcmcia_map); 571 } else { 572 for(i = 0; i < ARRAY_SIZE(probes); i++) { 573 pr_debug("Trying %s\n", probes[i]); 574 mtd = do_map_probe(probes[i], &dev->pcmcia_map); 575 if(mtd) 576 break; 577 578 pr_debug("FAILED: %s\n", probes[i]); 579 } 580 } 581 582 if(!mtd) { 583 pr_debug("Can not find an MTD\n"); 584 pcmciamtd_release(link); 585 return -ENODEV; 586 } 587 588 dev->mtd_info = mtd; 589 mtd->owner = THIS_MODULE; 590 591 if(new_name) { 592 int size = 0; 593 char unit = ' '; 594 /* Since we are using a default name, make it better by adding 595 * in the size 596 */ 597 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */ 598 size = mtd->size >> 10; 599 unit = 'K'; 600 } else { 601 size = mtd->size >> 20; 602 unit = 'M'; 603 } 604 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card"); 605 } 606 607 /* If the memory found is fits completely into the mapped PCMCIA window, 608 use the faster non-remapping read/write functions */ 609 if(mtd->size <= dev->win_size) { 610 pr_debug("Using non remapping memory functions\n"); 611 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base; 612 if (dev->pcmcia_map.bankwidth == 1) { 613 dev->pcmcia_map.read = pcmcia_read8; 614 dev->pcmcia_map.write = pcmcia_write8; 615 } else { 616 dev->pcmcia_map.read = pcmcia_read16; 617 dev->pcmcia_map.write = pcmcia_write16; 618 } 619 dev->pcmcia_map.copy_from = pcmcia_copy_from; 620 dev->pcmcia_map.copy_to = pcmcia_copy_to; 621 } 622 623 if (mtd_device_register(mtd, NULL, 0)) { 624 map_destroy(mtd); 625 dev->mtd_info = NULL; 626 dev_err(&dev->p_dev->dev, 627 "Could not register the MTD device\n"); 628 pcmciamtd_release(link); 629 return -ENODEV; 630 } 631 dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name); 632 return 0; 633 } 634 635 636 static int pcmciamtd_suspend(struct pcmcia_device *dev) 637 { 638 pr_debug("EVENT_PM_RESUME\n"); 639 640 /* get_lock(link); */ 641 642 return 0; 643 } 644 645 static int pcmciamtd_resume(struct pcmcia_device *dev) 646 { 647 pr_debug("EVENT_PM_SUSPEND\n"); 648 649 /* free_lock(link); */ 650 651 return 0; 652 } 653 654 655 static void pcmciamtd_detach(struct pcmcia_device *link) 656 { 657 struct pcmciamtd_dev *dev = link->priv; 658 659 pr_debug("link=0x%p\n", link); 660 661 if(dev->mtd_info) { 662 mtd_device_unregister(dev->mtd_info); 663 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n", 664 dev->mtd_info->index); 665 map_destroy(dev->mtd_info); 666 } 667 668 pcmciamtd_release(link); 669 } 670 671 672 static int pcmciamtd_probe(struct pcmcia_device *link) 673 { 674 struct pcmciamtd_dev *dev; 675 676 /* Create new memory card device */ 677 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 678 if (!dev) return -ENOMEM; 679 pr_debug("dev=0x%p\n", dev); 680 681 dev->p_dev = link; 682 link->priv = dev; 683 684 return pcmciamtd_config(link); 685 } 686 687 static const struct pcmcia_device_id pcmciamtd_ids[] = { 688 PCMCIA_DEVICE_FUNC_ID(1), 689 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), 690 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), 691 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a), 692 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e), 693 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf), 694 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb), 695 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c), 696 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda), 697 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0), 698 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8), 699 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c), 700 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0), 701 PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965), 702 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca), 703 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 4MB SRAM CARD", 0xebf91155, 0x20b6bf17), 704 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b), 705 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad), 706 PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05), 707 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca), 708 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944), 709 /* the following was commented out in pcmcia-cs-3.2.7 */ 710 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */ 711 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS 712 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, }, 713 #endif 714 PCMCIA_DEVICE_NULL 715 }; 716 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids); 717 718 static struct pcmcia_driver pcmciamtd_driver = { 719 .name = "pcmciamtd", 720 .probe = pcmciamtd_probe, 721 .remove = pcmciamtd_detach, 722 .owner = THIS_MODULE, 723 .id_table = pcmciamtd_ids, 724 .suspend = pcmciamtd_suspend, 725 .resume = pcmciamtd_resume, 726 }; 727 728 729 static int __init init_pcmciamtd(void) 730 { 731 if(bankwidth && bankwidth != 1 && bankwidth != 2) { 732 info("bad bankwidth (%d), using default", bankwidth); 733 bankwidth = 2; 734 } 735 if(force_size && (force_size < 1 || force_size > 64)) { 736 info("bad force_size (%d), using default", force_size); 737 force_size = 0; 738 } 739 if(mem_type && mem_type != 1 && mem_type != 2) { 740 info("bad mem_type (%d), using default", mem_type); 741 mem_type = 0; 742 } 743 return pcmcia_register_driver(&pcmciamtd_driver); 744 } 745 746 747 static void __exit exit_pcmciamtd(void) 748 { 749 pr_debug(DRIVER_DESC " unloading"); 750 pcmcia_unregister_driver(&pcmciamtd_driver); 751 } 752 753 module_init(init_pcmciamtd); 754 module_exit(exit_pcmciamtd); 755