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_MUTEX(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; 303 304 pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp); 305 mutex_lock(&pcmcia_vpp_lock); 306 if (on) { 307 if (++pcmcia_vpp_refcnt == 1) /* first nested 'on' */ 308 pcmcia_fixup_vpp(link, dev->vpp); 309 } else { 310 if (--pcmcia_vpp_refcnt == 0) /* last nested 'off' */ 311 pcmcia_fixup_vpp(link, 0); 312 } 313 mutex_unlock(&pcmcia_vpp_lock); 314 } 315 316 317 static void pcmciamtd_release(struct pcmcia_device *link) 318 { 319 struct pcmciamtd_dev *dev = link->priv; 320 321 pr_debug("link = 0x%p\n", link); 322 323 if (link->resource[2]->end) { 324 if(dev->win_base) { 325 iounmap(dev->win_base); 326 dev->win_base = NULL; 327 } 328 } 329 pcmcia_disable_device(link); 330 } 331 332 333 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, 334 tuple_t *tuple, 335 void *priv_data) 336 { 337 cisparse_t parse; 338 339 if (!pcmcia_parse_tuple(tuple, &parse)) { 340 cistpl_format_t *t = &parse.format; 341 (void)t; /* Shut up, gcc */ 342 pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n", 343 t->type, t->edc, t->offset, t->length); 344 } 345 return -ENOSPC; 346 } 347 348 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, 349 tuple_t *tuple, 350 void *priv_data) 351 { 352 cisparse_t parse; 353 int i; 354 355 if (!pcmcia_parse_tuple(tuple, &parse)) { 356 cistpl_jedec_t *t = &parse.jedec; 357 for (i = 0; i < t->nid; i++) 358 pr_debug("JEDEC: 0x%02x 0x%02x\n", 359 t->id[i].mfr, t->id[i].info); 360 } 361 return -ENOSPC; 362 } 363 364 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, 365 tuple_t *tuple, 366 void *priv_data) 367 { 368 struct pcmciamtd_dev *dev = priv_data; 369 cisparse_t parse; 370 cistpl_device_t *t = &parse.device; 371 int i; 372 373 if (pcmcia_parse_tuple(tuple, &parse)) 374 return -EINVAL; 375 376 pr_debug("Common memory:\n"); 377 dev->pcmcia_map.size = t->dev[0].size; 378 /* from here on: DEBUG only */ 379 for (i = 0; i < t->ndev; i++) { 380 pr_debug("Region %d, type = %u\n", i, t->dev[i].type); 381 pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp); 382 pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed); 383 pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size); 384 } 385 return 0; 386 } 387 388 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, 389 tuple_t *tuple, 390 void *priv_data) 391 { 392 struct pcmciamtd_dev *dev = priv_data; 393 cisparse_t parse; 394 cistpl_device_geo_t *t = &parse.device_geo; 395 int i; 396 397 if (pcmcia_parse_tuple(tuple, &parse)) 398 return -EINVAL; 399 400 dev->pcmcia_map.bankwidth = t->geo[0].buswidth; 401 /* from here on: DEBUG only */ 402 for (i = 0; i < t->ngeo; i++) { 403 pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth); 404 pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block); 405 pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block); 406 pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block); 407 pr_debug("region: %d partition = %u\n", i, t->geo[i].partition); 408 pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave); 409 } 410 return 0; 411 } 412 413 414 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name) 415 { 416 int i; 417 418 if (p_dev->prod_id[0]) { 419 dev->mtd_name[0] = '\0'; 420 for (i = 0; i < 4; i++) { 421 if (i) 422 strcat(dev->mtd_name, " "); 423 if (p_dev->prod_id[i]) 424 strcat(dev->mtd_name, p_dev->prod_id[i]); 425 } 426 pr_debug("Found name: %s\n", dev->mtd_name); 427 } 428 429 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL); 430 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL); 431 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev); 432 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev); 433 434 if(!dev->pcmcia_map.size) 435 dev->pcmcia_map.size = MAX_PCMCIA_ADDR; 436 437 if(!dev->pcmcia_map.bankwidth) 438 dev->pcmcia_map.bankwidth = 2; 439 440 if(force_size) { 441 dev->pcmcia_map.size = force_size << 20; 442 pr_debug("size forced to %dM\n", force_size); 443 } 444 445 if(bankwidth) { 446 dev->pcmcia_map.bankwidth = bankwidth; 447 pr_debug("bankwidth forced to %d\n", bankwidth); 448 } 449 450 dev->pcmcia_map.name = dev->mtd_name; 451 if(!dev->mtd_name[0]) { 452 strcpy(dev->mtd_name, "PCMCIA Memory card"); 453 *new_name = 1; 454 } 455 456 pr_debug("Device: Size: %lu Width:%d Name: %s\n", 457 dev->pcmcia_map.size, 458 dev->pcmcia_map.bankwidth << 3, dev->mtd_name); 459 } 460 461 462 static int pcmciamtd_config(struct pcmcia_device *link) 463 { 464 struct pcmciamtd_dev *dev = link->priv; 465 struct mtd_info *mtd = NULL; 466 int ret; 467 int i, j = 0; 468 static char *probes[] = { "jedec_probe", "cfi_probe" }; 469 int new_name = 0; 470 471 pr_debug("link=0x%p\n", link); 472 473 card_settings(dev, link, &new_name); 474 475 dev->pcmcia_map.phys = NO_XIP; 476 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap; 477 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap; 478 if (dev->pcmcia_map.bankwidth == 1) { 479 dev->pcmcia_map.read = pcmcia_read8_remap; 480 dev->pcmcia_map.write = pcmcia_write8_remap; 481 } else { 482 dev->pcmcia_map.read = pcmcia_read16_remap; 483 dev->pcmcia_map.write = pcmcia_write16_remap; 484 } 485 if(setvpp == 1) 486 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp; 487 488 /* Request a memory window for PCMCIA. Some architeures can map windows 489 * up to the maximum that PCMCIA can support (64MiB) - this is ideal and 490 * we aim for a window the size of the whole card - otherwise we try 491 * smaller windows until we succeed 492 */ 493 494 link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE; 495 link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ? 496 WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16; 497 link->resource[2]->start = 0; 498 link->resource[2]->end = (force_size) ? force_size << 20 : 499 MAX_PCMCIA_ADDR; 500 dev->win_size = 0; 501 502 do { 503 int ret; 504 pr_debug("requesting window with size = %luKiB memspeed = %d\n", 505 (unsigned long) resource_size(link->resource[2]) >> 10, 506 mem_speed); 507 ret = pcmcia_request_window(link, link->resource[2], mem_speed); 508 pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size); 509 if(ret) { 510 j++; 511 link->resource[2]->start = 0; 512 link->resource[2]->end = (force_size) ? 513 force_size << 20 : MAX_PCMCIA_ADDR; 514 link->resource[2]->end >>= j; 515 } else { 516 pr_debug("Got window of size %luKiB\n", (unsigned long) 517 resource_size(link->resource[2]) >> 10); 518 dev->win_size = resource_size(link->resource[2]); 519 break; 520 } 521 } while (link->resource[2]->end >= 0x1000); 522 523 pr_debug("dev->win_size = %d\n", dev->win_size); 524 525 if(!dev->win_size) { 526 dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n"); 527 pcmciamtd_release(link); 528 return -ENODEV; 529 } 530 pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10); 531 532 /* Get write protect status */ 533 dev->win_base = ioremap(link->resource[2]->start, 534 resource_size(link->resource[2])); 535 if(!dev->win_base) { 536 dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n", 537 link->resource[2]); 538 pcmciamtd_release(link); 539 return -ENODEV; 540 } 541 pr_debug("mapped window dev = %p @ %pR, base = %p\n", 542 dev, link->resource[2], dev->win_base); 543 544 dev->offset = 0; 545 dev->pcmcia_map.map_priv_1 = (unsigned long)dev; 546 dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2]; 547 548 dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp; 549 if(setvpp == 2) { 550 link->vpp = dev->vpp; 551 } else { 552 link->vpp = 0; 553 } 554 555 link->config_index = 0; 556 pr_debug("Setting Configuration\n"); 557 ret = pcmcia_enable_device(link); 558 if (ret != 0) { 559 if (dev->win_base) { 560 iounmap(dev->win_base); 561 dev->win_base = NULL; 562 } 563 return -ENODEV; 564 } 565 566 if(mem_type == 1) { 567 mtd = do_map_probe("map_ram", &dev->pcmcia_map); 568 } else if(mem_type == 2) { 569 mtd = do_map_probe("map_rom", &dev->pcmcia_map); 570 } else { 571 for(i = 0; i < ARRAY_SIZE(probes); i++) { 572 pr_debug("Trying %s\n", probes[i]); 573 mtd = do_map_probe(probes[i], &dev->pcmcia_map); 574 if(mtd) 575 break; 576 577 pr_debug("FAILED: %s\n", probes[i]); 578 } 579 } 580 581 if(!mtd) { 582 pr_debug("Can not find an MTD\n"); 583 pcmciamtd_release(link); 584 return -ENODEV; 585 } 586 587 dev->mtd_info = mtd; 588 mtd->owner = THIS_MODULE; 589 590 if(new_name) { 591 int size = 0; 592 char unit = ' '; 593 /* Since we are using a default name, make it better by adding 594 * in the size 595 */ 596 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */ 597 size = mtd->size >> 10; 598 unit = 'K'; 599 } else { 600 size = mtd->size >> 20; 601 unit = 'M'; 602 } 603 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card"); 604 } 605 606 /* If the memory found is fits completely into the mapped PCMCIA window, 607 use the faster non-remapping read/write functions */ 608 if(mtd->size <= dev->win_size) { 609 pr_debug("Using non remapping memory functions\n"); 610 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base; 611 if (dev->pcmcia_map.bankwidth == 1) { 612 dev->pcmcia_map.read = pcmcia_read8; 613 dev->pcmcia_map.write = pcmcia_write8; 614 } else { 615 dev->pcmcia_map.read = pcmcia_read16; 616 dev->pcmcia_map.write = pcmcia_write16; 617 } 618 dev->pcmcia_map.copy_from = pcmcia_copy_from; 619 dev->pcmcia_map.copy_to = pcmcia_copy_to; 620 } 621 622 if (mtd_device_register(mtd, NULL, 0)) { 623 map_destroy(mtd); 624 dev->mtd_info = NULL; 625 dev_err(&dev->p_dev->dev, 626 "Could not register the MTD device\n"); 627 pcmciamtd_release(link); 628 return -ENODEV; 629 } 630 dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name); 631 return 0; 632 } 633 634 635 static int pcmciamtd_suspend(struct pcmcia_device *dev) 636 { 637 pr_debug("EVENT_PM_RESUME\n"); 638 639 /* get_lock(link); */ 640 641 return 0; 642 } 643 644 static int pcmciamtd_resume(struct pcmcia_device *dev) 645 { 646 pr_debug("EVENT_PM_SUSPEND\n"); 647 648 /* free_lock(link); */ 649 650 return 0; 651 } 652 653 654 static void pcmciamtd_detach(struct pcmcia_device *link) 655 { 656 struct pcmciamtd_dev *dev = link->priv; 657 658 pr_debug("link=0x%p\n", link); 659 660 if(dev->mtd_info) { 661 mtd_device_unregister(dev->mtd_info); 662 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n", 663 dev->mtd_info->index); 664 map_destroy(dev->mtd_info); 665 } 666 667 pcmciamtd_release(link); 668 } 669 670 671 static int pcmciamtd_probe(struct pcmcia_device *link) 672 { 673 struct pcmciamtd_dev *dev; 674 675 /* Create new memory card device */ 676 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 677 if (!dev) return -ENOMEM; 678 pr_debug("dev=0x%p\n", dev); 679 680 dev->p_dev = link; 681 link->priv = dev; 682 683 return pcmciamtd_config(link); 684 } 685 686 static const struct pcmcia_device_id pcmciamtd_ids[] = { 687 PCMCIA_DEVICE_FUNC_ID(1), 688 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), 689 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), 690 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a), 691 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e), 692 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf), 693 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb), 694 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c), 695 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda), 696 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0), 697 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8), 698 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c), 699 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0), 700 PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965), 701 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca), 702 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 4MB SRAM CARD", 0xebf91155, 0x20b6bf17), 703 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b), 704 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad), 705 PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05), 706 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca), 707 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944), 708 /* the following was commented out in pcmcia-cs-3.2.7 */ 709 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */ 710 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS 711 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, }, 712 #endif 713 PCMCIA_DEVICE_NULL 714 }; 715 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids); 716 717 static struct pcmcia_driver pcmciamtd_driver = { 718 .name = "pcmciamtd", 719 .probe = pcmciamtd_probe, 720 .remove = pcmciamtd_detach, 721 .owner = THIS_MODULE, 722 .id_table = pcmciamtd_ids, 723 .suspend = pcmciamtd_suspend, 724 .resume = pcmciamtd_resume, 725 }; 726 727 728 static int __init init_pcmciamtd(void) 729 { 730 if(bankwidth && bankwidth != 1 && bankwidth != 2) { 731 info("bad bankwidth (%d), using default", bankwidth); 732 bankwidth = 2; 733 } 734 if(force_size && (force_size < 1 || force_size > 64)) { 735 info("bad force_size (%d), using default", force_size); 736 force_size = 0; 737 } 738 if(mem_type && mem_type != 1 && mem_type != 2) { 739 info("bad mem_type (%d), using default", mem_type); 740 mem_type = 0; 741 } 742 return pcmcia_register_driver(&pcmciamtd_driver); 743 } 744 745 746 static void __exit exit_pcmciamtd(void) 747 { 748 pr_debug(DRIVER_DESC " unloading"); 749 pcmcia_unregister_driver(&pcmciamtd_driver); 750 } 751 752 module_init(init_pcmciamtd); 753 module_exit(exit_pcmciamtd); 754