2 * pcmciamtd.c - MTD driver for PCMCIA flash memory cards
4 * Author: Simon Evans <spse@secret.org.uk>
6 * Copyright (C) 2002 Simon Evans
12 #include <linux/module.h>
13 #include <linux/slab.h>
14 #include <linux/timer.h>
15 #include <linux/init.h>
17 #include <asm/system.h>
19 #include <pcmcia/cs_types.h>
20 #include <pcmcia/cs.h>
21 #include <pcmcia/cistpl.h>
22 #include <pcmcia/ds.h>
24 #include <linux/mtd/map.h>
25 #include <linux/mtd/mtd.h>
27 #ifdef CONFIG_MTD_DEBUG
28 static int debug = CONFIG_MTD_DEBUG_VERBOSE;
29 module_param(debug, int, 0);
30 MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy");
32 #define DEBUG(n, format, arg...) \
34 printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \
39 #define DEBUG(n, arg...)
40 static const int debug = 0;
43 #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
45 #define DRIVER_DESC "PCMCIA Flash memory card driver"
47 /* Size of the PCMCIA address space: 26 bits = 64 MB */
48 #define MAX_PCMCIA_ADDR 0x4000000
50 struct pcmciamtd_dev {
51 struct pcmcia_device *p_dev;
52 caddr_t win_base; /* ioremapped address of PCMCIA window */
53 unsigned int win_size; /* size of window */
54 unsigned int offset; /* offset into card the window currently points at */
55 struct map_info pcmcia_map;
56 struct mtd_info *mtd_info;
58 char mtd_name[sizeof(struct cistpl_vers_1_t)];
62 /* Module parameters */
64 /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
65 static int bankwidth = 2;
67 /* Speed of memory accesses, in ns */
70 /* Force the size of an SRAM card */
71 static int force_size;
79 /* Force card to be treated as FLASH, ROM or RAM */
82 MODULE_LICENSE("GPL");
83 MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
84 MODULE_DESCRIPTION(DRIVER_DESC);
85 module_param(bankwidth, int, 0);
86 MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
87 module_param(mem_speed, int, 0);
88 MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
89 module_param(force_size, int, 0);
90 MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
91 module_param(setvpp, int, 0);
92 MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
93 module_param(vpp, int, 0);
94 MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
95 module_param(mem_type, int, 0);
96 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
99 /* read/write{8,16} copy_{from,to} routines with window remapping
100 * to access whole card
102 static caddr_t remap_window(struct map_info *map, unsigned long to)
104 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
105 window_handle_t win = (window_handle_t)map->map_priv_2;
109 if (!pcmcia_dev_present(dev->p_dev)) {
110 DEBUG(1, "device removed");
114 mrq.CardOffset = to & ~(dev->win_size-1);
115 if(mrq.CardOffset != dev->offset) {
116 DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
117 dev->offset, mrq.CardOffset);
119 ret = pcmcia_map_mem_page(dev->p_dev, win, &mrq);
122 dev->offset = mrq.CardOffset;
124 return dev->win_base + (to & (dev->win_size-1));
128 static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
133 addr = remap_window(map, ofs);
137 d.x[0] = readb(addr);
138 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, addr, d.x[0]);
143 static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
148 addr = remap_window(map, ofs);
152 d.x[0] = readw(addr);
153 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, addr, d.x[0]);
158 static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
160 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
161 unsigned long win_size = dev->win_size;
163 DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);
165 int toread = win_size - (from & (win_size-1));
171 addr = remap_window(map, from);
175 DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);
176 memcpy_fromio(to, addr, toread);
184 static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
186 caddr_t addr = remap_window(map, adr);
191 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02lx", adr, addr, d.x[0]);
192 writeb(d.x[0], addr);
196 static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
198 caddr_t addr = remap_window(map, adr);
202 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04lx", adr, addr, d.x[0]);
203 writew(d.x[0], addr);
207 static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
209 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
210 unsigned long win_size = dev->win_size;
212 DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);
214 int towrite = win_size - (to & (win_size-1));
220 addr = remap_window(map, to);
224 DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);
225 memcpy_toio(addr, from, towrite);
233 /* read/write{8,16} copy_{from,to} routines with direct access */
235 #define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))
237 static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
239 caddr_t win_base = (caddr_t)map->map_priv_2;
245 d.x[0] = readb(win_base + ofs);
246 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx",
247 ofs, win_base + ofs, d.x[0]);
252 static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
254 caddr_t win_base = (caddr_t)map->map_priv_2;
260 d.x[0] = readw(win_base + ofs);
261 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx",
262 ofs, win_base + ofs, d.x[0]);
267 static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
269 caddr_t win_base = (caddr_t)map->map_priv_2;
274 DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);
275 memcpy_fromio(to, win_base + from, len);
279 static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr)
281 caddr_t win_base = (caddr_t)map->map_priv_2;
286 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02lx",
287 adr, win_base + adr, d.x[0]);
288 writeb(d.x[0], win_base + adr);
292 static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr)
294 caddr_t win_base = (caddr_t)map->map_priv_2;
299 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04lx",
300 adr, win_base + adr, d.x[0]);
301 writew(d.x[0], win_base + adr);
305 static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
307 caddr_t win_base = (caddr_t)map->map_priv_2;
312 DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);
313 memcpy_toio(win_base + to, from, len);
317 static void pcmciamtd_set_vpp(struct map_info *map, int on)
319 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
320 struct pcmcia_device *link = dev->p_dev;
324 mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID;
326 mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0;
328 DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
329 ret = pcmcia_modify_configuration(link, &mod);
333 /* After a card is removed, pcmciamtd_release() will unregister the
334 * device, and release the PCMCIA configuration. If the device is
335 * still open, this will be postponed until it is closed.
338 static void pcmciamtd_release(struct pcmcia_device *link)
340 struct pcmciamtd_dev *dev = link->priv;
342 DEBUG(3, "link = 0x%p", link);
346 iounmap(dev->win_base);
347 dev->win_base = NULL;
349 pcmcia_release_window(link, link->win);
351 pcmcia_disable_device(link);
355 #ifdef CONFIG_MTD_DEBUG
356 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
362 if (!pcmcia_parse_tuple(tuple, &parse)) {
363 cistpl_format_t *t = &parse.format;
364 (void)t; /* Shut up, gcc */
365 DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
366 t->type, t->edc, t->offset, t->length);
371 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
378 if (!pcmcia_parse_tuple(tuple, &parse)) {
379 cistpl_jedec_t *t = &parse.jedec;
380 for (i = 0; i < t->nid; i++)
381 DEBUG(2, "JEDEC: 0x%02x 0x%02x",
382 t->id[i].mfr, t->id[i].info);
388 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
392 struct pcmciamtd_dev *dev = priv_data;
394 cistpl_device_t *t = &parse.device;
397 if (pcmcia_parse_tuple(tuple, &parse))
400 DEBUG(2, "Common memory:");
401 dev->pcmcia_map.size = t->dev[0].size;
402 /* from here on: DEBUG only */
403 for (i = 0; i < t->ndev; i++) {
404 DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
405 DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
406 DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
407 DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
412 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
416 struct pcmciamtd_dev *dev = priv_data;
418 cistpl_device_geo_t *t = &parse.device_geo;
421 if (pcmcia_parse_tuple(tuple, &parse))
424 dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
425 /* from here on: DEBUG only */
426 for (i = 0; i < t->ngeo; i++) {
427 DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
428 DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
429 DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
430 DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
431 DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
432 DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
438 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name)
442 if (p_dev->prod_id[0]) {
443 dev->mtd_name[0] = '\0';
444 for (i = 0; i < 4; i++) {
446 strcat(dev->mtd_name, " ");
447 if (p_dev->prod_id[i])
448 strcat(dev->mtd_name, p_dev->prod_id[i]);
450 DEBUG(2, "Found name: %s", dev->mtd_name);
453 #ifdef CONFIG_MTD_DEBUG
454 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
455 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
457 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
458 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
460 if(!dev->pcmcia_map.size)
461 dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
463 if(!dev->pcmcia_map.bankwidth)
464 dev->pcmcia_map.bankwidth = 2;
467 dev->pcmcia_map.size = force_size << 20;
468 DEBUG(2, "size forced to %dM", force_size);
472 dev->pcmcia_map.bankwidth = bankwidth;
473 DEBUG(2, "bankwidth forced to %d", bankwidth);
476 dev->pcmcia_map.name = dev->mtd_name;
477 if(!dev->mtd_name[0]) {
478 strcpy(dev->mtd_name, "PCMCIA Memory card");
482 DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
483 dev->pcmcia_map.size,
484 dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
488 /* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event
489 * is received, to configure the PCMCIA socket, and to make the
490 * MTD device available to the system.
493 static int pcmciamtd_config(struct pcmcia_device *link)
495 struct pcmciamtd_dev *dev = link->priv;
496 struct mtd_info *mtd = NULL;
500 static char *probes[] = { "jedec_probe", "cfi_probe" };
503 DEBUG(3, "link=0x%p", link);
505 card_settings(dev, link, &new_name);
507 dev->pcmcia_map.phys = NO_XIP;
508 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
509 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
510 if (dev->pcmcia_map.bankwidth == 1) {
511 dev->pcmcia_map.read = pcmcia_read8_remap;
512 dev->pcmcia_map.write = pcmcia_write8_remap;
514 dev->pcmcia_map.read = pcmcia_read16_remap;
515 dev->pcmcia_map.write = pcmcia_write16_remap;
518 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
520 /* Request a memory window for PCMCIA. Some architeures can map windows
521 * upto the maximum that PCMCIA can support (64MiB) - this is ideal and
522 * we aim for a window the size of the whole card - otherwise we try
523 * smaller windows until we succeed
526 req.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE;
527 req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
529 req.AccessSpeed = mem_speed;
530 link->win = (window_handle_t)link;
531 req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR;
536 DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
537 req.Size >> 10, req.AccessSpeed);
538 ret = pcmcia_request_window(link, &req, &link->win);
539 DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
543 DEBUG(2, "Got window of size %dKiB", req.Size >> 10);
544 dev->win_size = req.Size;
547 } while(req.Size >= 0x1000);
549 DEBUG(2, "dev->win_size = %d", dev->win_size);
552 dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n");
553 pcmciamtd_release(link);
556 DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);
558 /* Get write protect status */
559 DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win);
560 dev->win_base = ioremap(req.Base, req.Size);
562 dev_err(&dev->p_dev->dev, "ioremap(%lu, %u) failed\n",
564 pcmciamtd_release(link);
567 DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x",
568 dev, req.Base, dev->win_base, req.Size);
571 dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
572 dev->pcmcia_map.map_priv_2 = (unsigned long)link->win;
574 dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp;
575 link->conf.Attributes = 0;
577 link->conf.Vpp = dev->vpp;
582 link->conf.IntType = INT_MEMORY;
583 link->conf.ConfigIndex = 0;
584 DEBUG(2, "Setting Configuration");
585 ret = pcmcia_request_configuration(link, &link->conf);
588 iounmap(dev->win_base);
589 dev->win_base = NULL;
595 mtd = do_map_probe("map_ram", &dev->pcmcia_map);
596 } else if(mem_type == 2) {
597 mtd = do_map_probe("map_rom", &dev->pcmcia_map);
599 for(i = 0; i < ARRAY_SIZE(probes); i++) {
600 DEBUG(1, "Trying %s", probes[i]);
601 mtd = do_map_probe(probes[i], &dev->pcmcia_map);
605 DEBUG(1, "FAILED: %s", probes[i]);
610 DEBUG(1, "Can not find an MTD");
611 pcmciamtd_release(link);
616 mtd->owner = THIS_MODULE;
621 /* Since we are using a default name, make it better by adding
624 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
625 size = mtd->size >> 10;
628 size = mtd->size >> 20;
631 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card");
634 /* If the memory found is fits completely into the mapped PCMCIA window,
635 use the faster non-remapping read/write functions */
636 if(mtd->size <= dev->win_size) {
637 DEBUG(1, "Using non remapping memory functions");
638 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;
639 if (dev->pcmcia_map.bankwidth == 1) {
640 dev->pcmcia_map.read = pcmcia_read8;
641 dev->pcmcia_map.write = pcmcia_write8;
643 dev->pcmcia_map.read = pcmcia_read16;
644 dev->pcmcia_map.write = pcmcia_write16;
646 dev->pcmcia_map.copy_from = pcmcia_copy_from;
647 dev->pcmcia_map.copy_to = pcmcia_copy_to;
650 if(add_mtd_device(mtd)) {
652 dev->mtd_info = NULL;
653 dev_err(&dev->p_dev->dev,
654 "Could not register the MTD device\n");
655 pcmciamtd_release(link);
658 dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name);
661 dev_err(&dev->p_dev->dev, "CS Error, exiting\n");
662 pcmciamtd_release(link);
667 static int pcmciamtd_suspend(struct pcmcia_device *dev)
669 DEBUG(2, "EVENT_PM_RESUME");
671 /* get_lock(link); */
676 static int pcmciamtd_resume(struct pcmcia_device *dev)
678 DEBUG(2, "EVENT_PM_SUSPEND");
680 /* free_lock(link); */
686 /* This deletes a driver "instance". The device is de-registered
687 * with Card Services. If it has been released, all local data
688 * structures are freed. Otherwise, the structures will be freed
689 * when the device is released.
692 static void pcmciamtd_detach(struct pcmcia_device *link)
694 struct pcmciamtd_dev *dev = link->priv;
696 DEBUG(3, "link=0x%p", link);
699 del_mtd_device(dev->mtd_info);
700 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
701 dev->mtd_info->index);
702 map_destroy(dev->mtd_info);
705 pcmciamtd_release(link);
709 /* pcmciamtd_attach() creates an "instance" of the driver, allocating
710 * local data structures for one device. The device is registered
711 * with Card Services.
714 static int pcmciamtd_probe(struct pcmcia_device *link)
716 struct pcmciamtd_dev *dev;
718 /* Create new memory card device */
719 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
720 if (!dev) return -ENOMEM;
721 DEBUG(1, "dev=0x%p", dev);
726 link->conf.Attributes = 0;
727 link->conf.IntType = INT_MEMORY;
729 return pcmciamtd_config(link);
732 static struct pcmcia_device_id pcmciamtd_ids[] = {
733 PCMCIA_DEVICE_FUNC_ID(1),
734 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21),
735 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21),
736 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a),
737 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e),
738 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf),
739 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb),
740 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c),
741 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda),
742 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0),
743 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
744 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
745 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
746 PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965),
747 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca),
748 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
749 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
750 PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05),
751 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
752 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
753 /* the following was commented out in pcmcia-cs-3.2.7 */
754 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */
755 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS
756 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, },
760 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids);
762 static struct pcmcia_driver pcmciamtd_driver = {
766 .probe = pcmciamtd_probe,
767 .remove = pcmciamtd_detach,
768 .owner = THIS_MODULE,
769 .id_table = pcmciamtd_ids,
770 .suspend = pcmciamtd_suspend,
771 .resume = pcmciamtd_resume,
775 static int __init init_pcmciamtd(void)
779 if(bankwidth && bankwidth != 1 && bankwidth != 2) {
780 info("bad bankwidth (%d), using default", bankwidth);
783 if(force_size && (force_size < 1 || force_size > 64)) {
784 info("bad force_size (%d), using default", force_size);
787 if(mem_type && mem_type != 1 && mem_type != 2) {
788 info("bad mem_type (%d), using default", mem_type);
791 return pcmcia_register_driver(&pcmciamtd_driver);
795 static void __exit exit_pcmciamtd(void)
797 DEBUG(1, DRIVER_DESC " unloading");
798 pcmcia_unregister_driver(&pcmciamtd_driver);
801 module_init(init_pcmciamtd);
802 module_exit(exit_pcmciamtd);