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 #include <asm/system.h> 18 19 #include <pcmcia/cistpl.h> 20 #include <pcmcia/ds.h> 21 22 #include <linux/mtd/map.h> 23 #include <linux/mtd/mtd.h> 24 25 #ifdef CONFIG_MTD_DEBUG 26 static int debug = CONFIG_MTD_DEBUG_VERBOSE; 27 module_param(debug, int, 0); 28 MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy"); 29 #undef DEBUG 30 #define DEBUG(n, format, arg...) \ 31 if (n <= debug) { \ 32 printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \ 33 } 34 35 #else 36 #undef DEBUG 37 #define DEBUG(n, arg...) 38 static const int debug = 0; 39 #endif 40 41 #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg) 42 43 #define DRIVER_DESC "PCMCIA Flash memory card driver" 44 45 /* Size of the PCMCIA address space: 26 bits = 64 MB */ 46 #define MAX_PCMCIA_ADDR 0x4000000 47 48 struct pcmciamtd_dev { 49 struct pcmcia_device *p_dev; 50 caddr_t win_base; /* ioremapped address of PCMCIA window */ 51 unsigned int win_size; /* size of window */ 52 unsigned int offset; /* offset into card the window currently points at */ 53 struct map_info pcmcia_map; 54 struct mtd_info *mtd_info; 55 int vpp; 56 char mtd_name[sizeof(struct cistpl_vers_1_t)]; 57 }; 58 59 60 /* Module parameters */ 61 62 /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */ 63 static int bankwidth = 2; 64 65 /* Speed of memory accesses, in ns */ 66 static int mem_speed; 67 68 /* Force the size of an SRAM card */ 69 static int force_size; 70 71 /* Force Vpp */ 72 static int vpp; 73 74 /* Set Vpp */ 75 static int setvpp; 76 77 /* Force card to be treated as FLASH, ROM or RAM */ 78 static int mem_type; 79 80 MODULE_LICENSE("GPL"); 81 MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>"); 82 MODULE_DESCRIPTION(DRIVER_DESC); 83 module_param(bankwidth, int, 0); 84 MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)"); 85 module_param(mem_speed, int, 0); 86 MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns"); 87 module_param(force_size, int, 0); 88 MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)"); 89 module_param(setvpp, int, 0); 90 MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)"); 91 module_param(vpp, int, 0); 92 MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)"); 93 module_param(mem_type, int, 0); 94 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)"); 95 96 97 /* read/write{8,16} copy_{from,to} routines with window remapping 98 * to access whole card 99 */ 100 static caddr_t remap_window(struct map_info *map, unsigned long to) 101 { 102 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 103 struct resource *win = (struct resource *) map->map_priv_2; 104 unsigned int offset; 105 int ret; 106 107 if (!pcmcia_dev_present(dev->p_dev)) { 108 DEBUG(1, "device removed"); 109 return 0; 110 } 111 112 offset = to & ~(dev->win_size-1); 113 if (offset != dev->offset) { 114 DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x", 115 dev->offset, offset); 116 ret = pcmcia_map_mem_page(dev->p_dev, win, offset); 117 if (ret != 0) 118 return NULL; 119 dev->offset = offset; 120 } 121 return dev->win_base + (to & (dev->win_size-1)); 122 } 123 124 125 static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs) 126 { 127 caddr_t addr; 128 map_word d = {{0}}; 129 130 addr = remap_window(map, ofs); 131 if(!addr) 132 return d; 133 134 d.x[0] = readb(addr); 135 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, addr, d.x[0]); 136 return d; 137 } 138 139 140 static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs) 141 { 142 caddr_t addr; 143 map_word d = {{0}}; 144 145 addr = remap_window(map, ofs); 146 if(!addr) 147 return d; 148 149 d.x[0] = readw(addr); 150 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, addr, d.x[0]); 151 return d; 152 } 153 154 155 static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len) 156 { 157 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 158 unsigned long win_size = dev->win_size; 159 160 DEBUG(3, "to = %p from = %lu len = %zd", to, from, len); 161 while(len) { 162 int toread = win_size - (from & (win_size-1)); 163 caddr_t addr; 164 165 if(toread > len) 166 toread = len; 167 168 addr = remap_window(map, from); 169 if(!addr) 170 return; 171 172 DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread); 173 memcpy_fromio(to, addr, toread); 174 len -= toread; 175 to += toread; 176 from += toread; 177 } 178 } 179 180 181 static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr) 182 { 183 caddr_t addr = remap_window(map, adr); 184 185 if(!addr) 186 return; 187 188 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02lx", adr, addr, d.x[0]); 189 writeb(d.x[0], addr); 190 } 191 192 193 static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr) 194 { 195 caddr_t addr = remap_window(map, adr); 196 if(!addr) 197 return; 198 199 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04lx", adr, addr, d.x[0]); 200 writew(d.x[0], addr); 201 } 202 203 204 static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len) 205 { 206 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 207 unsigned long win_size = dev->win_size; 208 209 DEBUG(3, "to = %lu from = %p len = %zd", to, from, len); 210 while(len) { 211 int towrite = win_size - (to & (win_size-1)); 212 caddr_t addr; 213 214 if(towrite > len) 215 towrite = len; 216 217 addr = remap_window(map, to); 218 if(!addr) 219 return; 220 221 DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite); 222 memcpy_toio(addr, from, towrite); 223 len -= towrite; 224 to += towrite; 225 from += towrite; 226 } 227 } 228 229 230 /* read/write{8,16} copy_{from,to} routines with direct access */ 231 232 #define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev))) 233 234 static map_word pcmcia_read8(struct map_info *map, unsigned long ofs) 235 { 236 caddr_t win_base = (caddr_t)map->map_priv_2; 237 map_word d = {{0}}; 238 239 if(DEV_REMOVED(map)) 240 return d; 241 242 d.x[0] = readb(win_base + ofs); 243 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", 244 ofs, win_base + ofs, d.x[0]); 245 return d; 246 } 247 248 249 static map_word pcmcia_read16(struct map_info *map, unsigned long ofs) 250 { 251 caddr_t win_base = (caddr_t)map->map_priv_2; 252 map_word d = {{0}}; 253 254 if(DEV_REMOVED(map)) 255 return d; 256 257 d.x[0] = readw(win_base + ofs); 258 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", 259 ofs, win_base + ofs, d.x[0]); 260 return d; 261 } 262 263 264 static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) 265 { 266 caddr_t win_base = (caddr_t)map->map_priv_2; 267 268 if(DEV_REMOVED(map)) 269 return; 270 271 DEBUG(3, "to = %p from = %lu len = %zd", to, from, len); 272 memcpy_fromio(to, win_base + from, len); 273 } 274 275 276 static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) 277 { 278 caddr_t win_base = (caddr_t)map->map_priv_2; 279 280 if(DEV_REMOVED(map)) 281 return; 282 283 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02lx", 284 adr, win_base + adr, d.x[0]); 285 writeb(d.x[0], win_base + adr); 286 } 287 288 289 static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr) 290 { 291 caddr_t win_base = (caddr_t)map->map_priv_2; 292 293 if(DEV_REMOVED(map)) 294 return; 295 296 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04lx", 297 adr, win_base + adr, d.x[0]); 298 writew(d.x[0], win_base + adr); 299 } 300 301 302 static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) 303 { 304 caddr_t win_base = (caddr_t)map->map_priv_2; 305 306 if(DEV_REMOVED(map)) 307 return; 308 309 DEBUG(3, "to = %lu from = %p len = %zd", to, from, len); 310 memcpy_toio(win_base + to, from, len); 311 } 312 313 314 static void pcmciamtd_set_vpp(struct map_info *map, int on) 315 { 316 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1; 317 struct pcmcia_device *link = dev->p_dev; 318 319 DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp); 320 pcmcia_fixup_vpp(link, on ? dev->vpp : 0); 321 } 322 323 324 static void pcmciamtd_release(struct pcmcia_device *link) 325 { 326 struct pcmciamtd_dev *dev = link->priv; 327 328 DEBUG(3, "link = 0x%p", link); 329 330 if (link->resource[2]->end) { 331 if(dev->win_base) { 332 iounmap(dev->win_base); 333 dev->win_base = NULL; 334 } 335 } 336 pcmcia_disable_device(link); 337 } 338 339 340 #ifdef CONFIG_MTD_DEBUG 341 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, 342 tuple_t *tuple, 343 void *priv_data) 344 { 345 cisparse_t parse; 346 347 if (!pcmcia_parse_tuple(tuple, &parse)) { 348 cistpl_format_t *t = &parse.format; 349 (void)t; /* Shut up, gcc */ 350 DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u", 351 t->type, t->edc, t->offset, t->length); 352 } 353 return -ENOSPC; 354 } 355 356 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, 357 tuple_t *tuple, 358 void *priv_data) 359 { 360 cisparse_t parse; 361 int i; 362 363 if (!pcmcia_parse_tuple(tuple, &parse)) { 364 cistpl_jedec_t *t = &parse.jedec; 365 for (i = 0; i < t->nid; i++) 366 DEBUG(2, "JEDEC: 0x%02x 0x%02x", 367 t->id[i].mfr, t->id[i].info); 368 } 369 return -ENOSPC; 370 } 371 #endif 372 373 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, 374 tuple_t *tuple, 375 void *priv_data) 376 { 377 struct pcmciamtd_dev *dev = priv_data; 378 cisparse_t parse; 379 cistpl_device_t *t = &parse.device; 380 int i; 381 382 if (pcmcia_parse_tuple(tuple, &parse)) 383 return -EINVAL; 384 385 DEBUG(2, "Common memory:"); 386 dev->pcmcia_map.size = t->dev[0].size; 387 /* from here on: DEBUG only */ 388 for (i = 0; i < t->ndev; i++) { 389 DEBUG(2, "Region %d, type = %u", i, t->dev[i].type); 390 DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp); 391 DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed); 392 DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size); 393 } 394 return 0; 395 } 396 397 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, 398 tuple_t *tuple, 399 void *priv_data) 400 { 401 struct pcmciamtd_dev *dev = priv_data; 402 cisparse_t parse; 403 cistpl_device_geo_t *t = &parse.device_geo; 404 int i; 405 406 if (pcmcia_parse_tuple(tuple, &parse)) 407 return -EINVAL; 408 409 dev->pcmcia_map.bankwidth = t->geo[0].buswidth; 410 /* from here on: DEBUG only */ 411 for (i = 0; i < t->ngeo; i++) { 412 DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth); 413 DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block); 414 DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block); 415 DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block); 416 DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition); 417 DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave); 418 } 419 return 0; 420 } 421 422 423 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name) 424 { 425 int i; 426 427 if (p_dev->prod_id[0]) { 428 dev->mtd_name[0] = '\0'; 429 for (i = 0; i < 4; i++) { 430 if (i) 431 strcat(dev->mtd_name, " "); 432 if (p_dev->prod_id[i]) 433 strcat(dev->mtd_name, p_dev->prod_id[i]); 434 } 435 DEBUG(2, "Found name: %s", dev->mtd_name); 436 } 437 438 #ifdef CONFIG_MTD_DEBUG 439 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL); 440 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL); 441 #endif 442 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev); 443 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev); 444 445 if(!dev->pcmcia_map.size) 446 dev->pcmcia_map.size = MAX_PCMCIA_ADDR; 447 448 if(!dev->pcmcia_map.bankwidth) 449 dev->pcmcia_map.bankwidth = 2; 450 451 if(force_size) { 452 dev->pcmcia_map.size = force_size << 20; 453 DEBUG(2, "size forced to %dM", force_size); 454 } 455 456 if(bankwidth) { 457 dev->pcmcia_map.bankwidth = bankwidth; 458 DEBUG(2, "bankwidth forced to %d", bankwidth); 459 } 460 461 dev->pcmcia_map.name = dev->mtd_name; 462 if(!dev->mtd_name[0]) { 463 strcpy(dev->mtd_name, "PCMCIA Memory card"); 464 *new_name = 1; 465 } 466 467 DEBUG(1, "Device: Size: %lu Width:%d Name: %s", 468 dev->pcmcia_map.size, 469 dev->pcmcia_map.bankwidth << 3, dev->mtd_name); 470 } 471 472 473 static int pcmciamtd_config(struct pcmcia_device *link) 474 { 475 struct pcmciamtd_dev *dev = link->priv; 476 struct mtd_info *mtd = NULL; 477 int ret; 478 int i, j = 0; 479 static char *probes[] = { "jedec_probe", "cfi_probe" }; 480 int new_name = 0; 481 482 DEBUG(3, "link=0x%p", link); 483 484 card_settings(dev, link, &new_name); 485 486 dev->pcmcia_map.phys = NO_XIP; 487 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap; 488 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap; 489 if (dev->pcmcia_map.bankwidth == 1) { 490 dev->pcmcia_map.read = pcmcia_read8_remap; 491 dev->pcmcia_map.write = pcmcia_write8_remap; 492 } else { 493 dev->pcmcia_map.read = pcmcia_read16_remap; 494 dev->pcmcia_map.write = pcmcia_write16_remap; 495 } 496 if(setvpp == 1) 497 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp; 498 499 /* Request a memory window for PCMCIA. Some architeures can map windows 500 * up to the maximum that PCMCIA can support (64MiB) - this is ideal and 501 * we aim for a window the size of the whole card - otherwise we try 502 * smaller windows until we succeed 503 */ 504 505 link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE; 506 link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ? 507 WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16; 508 link->resource[2]->start = 0; 509 link->resource[2]->end = (force_size) ? force_size << 20 : 510 MAX_PCMCIA_ADDR; 511 dev->win_size = 0; 512 513 do { 514 int ret; 515 DEBUG(2, "requesting window with size = %luKiB memspeed = %d", 516 (unsigned long) resource_size(link->resource[2]) >> 10, 517 mem_speed); 518 ret = pcmcia_request_window(link, link->resource[2], mem_speed); 519 DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size); 520 if(ret) { 521 j++; 522 link->resource[2]->start = 0; 523 link->resource[2]->end = (force_size) ? 524 force_size << 20 : MAX_PCMCIA_ADDR; 525 link->resource[2]->end >>= j; 526 } else { 527 DEBUG(2, "Got window of size %luKiB", (unsigned long) 528 resource_size(link->resource[2]) >> 10); 529 dev->win_size = resource_size(link->resource[2]); 530 break; 531 } 532 } while (link->resource[2]->end >= 0x1000); 533 534 DEBUG(2, "dev->win_size = %d", dev->win_size); 535 536 if(!dev->win_size) { 537 dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n"); 538 pcmciamtd_release(link); 539 return -ENODEV; 540 } 541 DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10); 542 543 /* Get write protect status */ 544 dev->win_base = ioremap(link->resource[2]->start, 545 resource_size(link->resource[2])); 546 if(!dev->win_base) { 547 dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n", 548 link->resource[2]); 549 pcmciamtd_release(link); 550 return -ENODEV; 551 } 552 DEBUG(1, "mapped window dev = %p @ %pR, base = %p", 553 dev, link->resource[2], dev->win_base); 554 555 dev->offset = 0; 556 dev->pcmcia_map.map_priv_1 = (unsigned long)dev; 557 dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2]; 558 559 dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp; 560 if(setvpp == 2) { 561 link->vpp = dev->vpp; 562 } else { 563 link->vpp = 0; 564 } 565 566 link->config_index = 0; 567 DEBUG(2, "Setting Configuration"); 568 ret = pcmcia_enable_device(link); 569 if (ret != 0) { 570 if (dev->win_base) { 571 iounmap(dev->win_base); 572 dev->win_base = NULL; 573 } 574 return -ENODEV; 575 } 576 577 if(mem_type == 1) { 578 mtd = do_map_probe("map_ram", &dev->pcmcia_map); 579 } else if(mem_type == 2) { 580 mtd = do_map_probe("map_rom", &dev->pcmcia_map); 581 } else { 582 for(i = 0; i < ARRAY_SIZE(probes); i++) { 583 DEBUG(1, "Trying %s", probes[i]); 584 mtd = do_map_probe(probes[i], &dev->pcmcia_map); 585 if(mtd) 586 break; 587 588 DEBUG(1, "FAILED: %s", probes[i]); 589 } 590 } 591 592 if(!mtd) { 593 DEBUG(1, "Can not find an MTD"); 594 pcmciamtd_release(link); 595 return -ENODEV; 596 } 597 598 dev->mtd_info = mtd; 599 mtd->owner = THIS_MODULE; 600 601 if(new_name) { 602 int size = 0; 603 char unit = ' '; 604 /* Since we are using a default name, make it better by adding 605 * in the size 606 */ 607 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */ 608 size = mtd->size >> 10; 609 unit = 'K'; 610 } else { 611 size = mtd->size >> 20; 612 unit = 'M'; 613 } 614 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card"); 615 } 616 617 /* If the memory found is fits completely into the mapped PCMCIA window, 618 use the faster non-remapping read/write functions */ 619 if(mtd->size <= dev->win_size) { 620 DEBUG(1, "Using non remapping memory functions"); 621 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base; 622 if (dev->pcmcia_map.bankwidth == 1) { 623 dev->pcmcia_map.read = pcmcia_read8; 624 dev->pcmcia_map.write = pcmcia_write8; 625 } else { 626 dev->pcmcia_map.read = pcmcia_read16; 627 dev->pcmcia_map.write = pcmcia_write16; 628 } 629 dev->pcmcia_map.copy_from = pcmcia_copy_from; 630 dev->pcmcia_map.copy_to = pcmcia_copy_to; 631 } 632 633 if (mtd_device_register(mtd, NULL, 0)) { 634 map_destroy(mtd); 635 dev->mtd_info = NULL; 636 dev_err(&dev->p_dev->dev, 637 "Could not register the MTD device\n"); 638 pcmciamtd_release(link); 639 return -ENODEV; 640 } 641 dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name); 642 return 0; 643 } 644 645 646 static int pcmciamtd_suspend(struct pcmcia_device *dev) 647 { 648 DEBUG(2, "EVENT_PM_RESUME"); 649 650 /* get_lock(link); */ 651 652 return 0; 653 } 654 655 static int pcmciamtd_resume(struct pcmcia_device *dev) 656 { 657 DEBUG(2, "EVENT_PM_SUSPEND"); 658 659 /* free_lock(link); */ 660 661 return 0; 662 } 663 664 665 static void pcmciamtd_detach(struct pcmcia_device *link) 666 { 667 struct pcmciamtd_dev *dev = link->priv; 668 669 DEBUG(3, "link=0x%p", link); 670 671 if(dev->mtd_info) { 672 mtd_device_unregister(dev->mtd_info); 673 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n", 674 dev->mtd_info->index); 675 map_destroy(dev->mtd_info); 676 } 677 678 pcmciamtd_release(link); 679 } 680 681 682 static int pcmciamtd_probe(struct pcmcia_device *link) 683 { 684 struct pcmciamtd_dev *dev; 685 686 /* Create new memory card device */ 687 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 688 if (!dev) return -ENOMEM; 689 DEBUG(1, "dev=0x%p", dev); 690 691 dev->p_dev = link; 692 link->priv = dev; 693 694 return pcmciamtd_config(link); 695 } 696 697 static const struct pcmcia_device_id pcmciamtd_ids[] = { 698 PCMCIA_DEVICE_FUNC_ID(1), 699 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), 700 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), 701 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a), 702 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e), 703 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf), 704 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb), 705 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c), 706 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda), 707 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0), 708 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8), 709 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c), 710 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0), 711 PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965), 712 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca), 713 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b), 714 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad), 715 PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05), 716 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca), 717 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944), 718 /* the following was commented out in pcmcia-cs-3.2.7 */ 719 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */ 720 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS 721 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, }, 722 #endif 723 PCMCIA_DEVICE_NULL 724 }; 725 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids); 726 727 static struct pcmcia_driver pcmciamtd_driver = { 728 .name = "pcmciamtd", 729 .probe = pcmciamtd_probe, 730 .remove = pcmciamtd_detach, 731 .owner = THIS_MODULE, 732 .id_table = pcmciamtd_ids, 733 .suspend = pcmciamtd_suspend, 734 .resume = pcmciamtd_resume, 735 }; 736 737 738 static int __init init_pcmciamtd(void) 739 { 740 if(bankwidth && bankwidth != 1 && bankwidth != 2) { 741 info("bad bankwidth (%d), using default", bankwidth); 742 bankwidth = 2; 743 } 744 if(force_size && (force_size < 1 || force_size > 64)) { 745 info("bad force_size (%d), using default", force_size); 746 force_size = 0; 747 } 748 if(mem_type && mem_type != 1 && mem_type != 2) { 749 info("bad mem_type (%d), using default", mem_type); 750 mem_type = 0; 751 } 752 return pcmcia_register_driver(&pcmciamtd_driver); 753 } 754 755 756 static void __exit exit_pcmciamtd(void) 757 { 758 DEBUG(1, DRIVER_DESC " unloading"); 759 pcmcia_unregister_driver(&pcmciamtd_driver); 760 } 761 762 module_init(init_pcmciamtd); 763 module_exit(exit_pcmciamtd); 764