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 err(format, arg...) printk(KERN_ERR "pcmciamtd: " format "\n" , ## arg)
44 #define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
45 #define warn(format, arg...) printk(KERN_WARNING "pcmciamtd: " format "\n" , ## arg)
48 #define DRIVER_DESC "PCMCIA Flash memory card driver"
50 /* Size of the PCMCIA address space: 26 bits = 64 MB */
51 #define MAX_PCMCIA_ADDR 0x4000000
53 struct pcmciamtd_dev {
54 struct pcmcia_device *p_dev;
55 caddr_t win_base; /* ioremapped address of PCMCIA window */
56 unsigned int win_size; /* size of window */
57 unsigned int offset; /* offset into card the window currently points at */
58 struct map_info pcmcia_map;
59 struct mtd_info *mtd_info;
61 char mtd_name[sizeof(struct cistpl_vers_1_t)];
65 /* Module parameters */
67 /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
68 static int bankwidth = 2;
70 /* Speed of memory accesses, in ns */
73 /* Force the size of an SRAM card */
74 static int force_size;
82 /* Force card to be treated as FLASH, ROM or RAM */
85 MODULE_LICENSE("GPL");
86 MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
87 MODULE_DESCRIPTION(DRIVER_DESC);
88 module_param(bankwidth, int, 0);
89 MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
90 module_param(mem_speed, int, 0);
91 MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
92 module_param(force_size, int, 0);
93 MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
94 module_param(setvpp, int, 0);
95 MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
96 module_param(vpp, int, 0);
97 MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
98 module_param(mem_type, int, 0);
99 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
102 /* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */
103 static caddr_t remap_window(struct map_info *map, unsigned long to)
105 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
106 window_handle_t win = (window_handle_t)map->map_priv_2;
110 if (!pcmcia_dev_present(dev->p_dev)) {
111 DEBUG(1, "device removed");
115 mrq.CardOffset = to & ~(dev->win_size-1);
116 if(mrq.CardOffset != dev->offset) {
117 DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
118 dev->offset, mrq.CardOffset);
120 ret = pcmcia_map_mem_page(dev->p_dev, win, &mrq);
123 dev->offset = mrq.CardOffset;
125 return dev->win_base + (to & (dev->win_size-1));
129 static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
134 addr = remap_window(map, ofs);
138 d.x[0] = readb(addr);
139 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]);
144 static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
149 addr = remap_window(map, ofs);
153 d.x[0] = readw(addr);
154 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]);
159 static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
161 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
162 unsigned long win_size = dev->win_size;
164 DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
166 int toread = win_size - (from & (win_size-1));
172 addr = remap_window(map, from);
176 DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);
177 memcpy_fromio(to, addr, toread);
185 static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
187 caddr_t addr = remap_window(map, adr);
192 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, addr, d.x[0]);
193 writeb(d.x[0], addr);
197 static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
199 caddr_t addr = remap_window(map, adr);
203 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, addr, d.x[0]);
204 writew(d.x[0], addr);
208 static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
210 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
211 unsigned long win_size = dev->win_size;
213 DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
215 int towrite = win_size - (to & (win_size-1));
221 addr = remap_window(map, to);
225 DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);
226 memcpy_toio(addr, from, towrite);
234 /* read/write{8,16} copy_{from,to} routines with direct access */
236 #define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))
238 static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
240 caddr_t win_base = (caddr_t)map->map_priv_2;
246 d.x[0] = readb(win_base + ofs);
247 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", 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%04x", ofs, win_base + ofs, d.x[0]);
266 static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
268 caddr_t win_base = (caddr_t)map->map_priv_2;
273 DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
274 memcpy_fromio(to, win_base + from, len);
278 static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr)
280 caddr_t win_base = (caddr_t)map->map_priv_2;
285 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, win_base + adr, d);
286 writeb(d, win_base + adr);
290 static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr)
292 caddr_t win_base = (caddr_t)map->map_priv_2;
297 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, win_base + adr, d);
298 writew(d, win_base + adr);
302 static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
304 caddr_t win_base = (caddr_t)map->map_priv_2;
309 DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
310 memcpy_toio(win_base + to, from, len);
314 static void pcmciamtd_set_vpp(struct map_info *map, int on)
316 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
317 struct pcmcia_device *link = dev->p_dev;
321 mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID;
323 mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0;
325 DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
326 ret = pcmcia_modify_configuration(link, &mod);
330 /* After a card is removed, pcmciamtd_release() will unregister the
331 * device, and release the PCMCIA configuration. If the device is
332 * still open, this will be postponed until it is closed.
335 static void pcmciamtd_release(struct pcmcia_device *link)
337 struct pcmciamtd_dev *dev = link->priv;
339 DEBUG(3, "link = 0x%p", link);
343 iounmap(dev->win_base);
344 dev->win_base = NULL;
346 pcmcia_release_window(link, link->win);
348 pcmcia_disable_device(link);
352 #ifdef CONFIG_MTD_DEBUG
353 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
359 if (!pcmcia_parse_tuple(tuple, &parse)) {
360 cistpl_format_t *t = &parse.format;
361 (void)t; /* Shut up, gcc */
362 DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
363 t->type, t->edc, t->offset, t->length);
368 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
375 if (!pcmcia_parse_tuple(tuple, &parse)) {
376 cistpl_jedec_t *t = &parse.jedec;
377 for (i = 0; i < t->nid; i++)
378 DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
384 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
388 struct pcmciamtd_dev *dev = priv_data;
390 cistpl_device_t *t = &parse.device;
393 if (pcmcia_parse_tuple(tuple, &parse))
396 DEBUG(2, "Common memory:");
397 dev->pcmcia_map.size = t->dev[0].size;
398 /* from here on: DEBUG only */
399 for (i = 0; i < t->ndev; i++) {
400 DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
401 DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
402 DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
403 DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
408 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
412 struct pcmciamtd_dev *dev = priv_data;
414 cistpl_device_geo_t *t = &parse.device_geo;
417 if (pcmcia_parse_tuple(tuple, &parse))
420 dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
421 /* from here on: DEBUG only */
422 for (i = 0; i < t->ngeo; i++) {
423 DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
424 DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
425 DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
426 DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
427 DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
428 DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
434 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
438 if (p_dev->prod_id[0]) {
439 dev->mtd_name[0] = '\0';
440 for (i = 0; i < 4; i++) {
442 strcat(dev->mtd_name, " ");
443 if (p_dev->prod_id[i])
444 strcat(dev->mtd_name, p_dev->prod_id[i]);
446 DEBUG(2, "Found name: %s", dev->mtd_name);
449 #ifdef CONFIG_MTD_DEBUG
450 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
451 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
453 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
454 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
456 if(!dev->pcmcia_map.size)
457 dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
459 if(!dev->pcmcia_map.bankwidth)
460 dev->pcmcia_map.bankwidth = 2;
463 dev->pcmcia_map.size = force_size << 20;
464 DEBUG(2, "size forced to %dM", force_size);
468 dev->pcmcia_map.bankwidth = bankwidth;
469 DEBUG(2, "bankwidth forced to %d", bankwidth);
472 dev->pcmcia_map.name = dev->mtd_name;
473 if(!dev->mtd_name[0]) {
474 strcpy(dev->mtd_name, "PCMCIA Memory card");
478 DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
479 dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
483 /* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event
484 * is received, to configure the PCMCIA socket, and to make the
485 * MTD device available to the system.
488 static int pcmciamtd_config(struct pcmcia_device *link)
490 struct pcmciamtd_dev *dev = link->priv;
491 struct mtd_info *mtd = NULL;
496 static char *probes[] = { "jedec_probe", "cfi_probe" };
499 DEBUG(3, "link=0x%p", link);
501 card_settings(dev, link, &new_name);
503 dev->pcmcia_map.phys = NO_XIP;
504 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
505 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
506 if (dev->pcmcia_map.bankwidth == 1) {
507 dev->pcmcia_map.read = pcmcia_read8_remap;
508 dev->pcmcia_map.write = pcmcia_write8_remap;
510 dev->pcmcia_map.read = pcmcia_read16_remap;
511 dev->pcmcia_map.write = pcmcia_write16_remap;
514 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
516 /* Request a memory window for PCMCIA. Some architeures can map windows upto the maximum
517 that PCMCIA can support (64MiB) - this is ideal and we aim for a window the size of the
518 whole card - otherwise we try smaller windows until we succeed */
520 req.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE;
521 req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
523 req.AccessSpeed = mem_speed;
524 link->win = (window_handle_t)link;
525 req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR;
530 DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
531 req.Size >> 10, req.AccessSpeed);
532 ret = pcmcia_request_window(link, &req, &link->win);
533 DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
537 DEBUG(2, "Got window of size %dKiB", req.Size >> 10);
538 dev->win_size = req.Size;
541 } while(req.Size >= 0x1000);
543 DEBUG(2, "dev->win_size = %d", dev->win_size);
546 err("Cant allocate memory window");
547 pcmciamtd_release(link);
550 DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);
552 /* Get write protect status */
553 DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win);
554 dev->win_base = ioremap(req.Base, req.Size);
556 err("ioremap(%lu, %u) failed", req.Base, req.Size);
557 pcmciamtd_release(link);
560 DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x",
561 dev, req.Base, dev->win_base, req.Size);
564 dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
565 dev->pcmcia_map.map_priv_2 = (unsigned long)link->win;
567 dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp;
568 link->conf.Attributes = 0;
570 link->conf.Vpp = dev->vpp;
575 link->conf.IntType = INT_MEMORY;
576 link->conf.ConfigIndex = 0;
577 DEBUG(2, "Setting Configuration");
578 ret = pcmcia_request_configuration(link, &link->conf);
581 iounmap(dev->win_base);
582 dev->win_base = NULL;
588 mtd = do_map_probe("map_ram", &dev->pcmcia_map);
589 } else if(mem_type == 2) {
590 mtd = do_map_probe("map_rom", &dev->pcmcia_map);
592 for(i = 0; i < ARRAY_SIZE(probes); i++) {
593 DEBUG(1, "Trying %s", probes[i]);
594 mtd = do_map_probe(probes[i], &dev->pcmcia_map);
598 DEBUG(1, "FAILED: %s", probes[i]);
603 DEBUG(1, "Cant find an MTD");
604 pcmciamtd_release(link);
609 mtd->owner = THIS_MODULE;
614 /* Since we are using a default name, make it better by adding in the
616 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
617 size = mtd->size >> 10;
620 size = mtd->size >> 20;
623 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card");
626 /* If the memory found is fits completely into the mapped PCMCIA window,
627 use the faster non-remapping read/write functions */
628 if(mtd->size <= dev->win_size) {
629 DEBUG(1, "Using non remapping memory functions");
630 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;
631 if (dev->pcmcia_map.bankwidth == 1) {
632 dev->pcmcia_map.read = pcmcia_read8;
633 dev->pcmcia_map.write = pcmcia_write8;
635 dev->pcmcia_map.read = pcmcia_read16;
636 dev->pcmcia_map.write = pcmcia_write16;
638 dev->pcmcia_map.copy_from = pcmcia_copy_from;
639 dev->pcmcia_map.copy_to = pcmcia_copy_to;
642 if(add_mtd_device(mtd)) {
644 dev->mtd_info = NULL;
645 err("Couldnt register MTD device");
646 pcmciamtd_release(link);
649 info("mtd%d: %s", mtd->index, mtd->name);
653 err("CS Error, exiting");
654 pcmciamtd_release(link);
659 static int pcmciamtd_suspend(struct pcmcia_device *dev)
661 DEBUG(2, "EVENT_PM_RESUME");
663 /* get_lock(link); */
668 static int pcmciamtd_resume(struct pcmcia_device *dev)
670 DEBUG(2, "EVENT_PM_SUSPEND");
672 /* free_lock(link); */
678 /* This deletes a driver "instance". The device is de-registered
679 * with Card Services. If it has been released, all local data
680 * structures are freed. Otherwise, the structures will be freed
681 * when the device is released.
684 static void pcmciamtd_detach(struct pcmcia_device *link)
686 struct pcmciamtd_dev *dev = link->priv;
688 DEBUG(3, "link=0x%p", link);
691 del_mtd_device(dev->mtd_info);
692 map_destroy(dev->mtd_info);
693 info("mtd%d: Removed", dev->mtd_info->index);
696 pcmciamtd_release(link);
700 /* pcmciamtd_attach() creates an "instance" of the driver, allocating
701 * local data structures for one device. The device is registered
702 * with Card Services.
705 static int pcmciamtd_probe(struct pcmcia_device *link)
707 struct pcmciamtd_dev *dev;
709 /* Create new memory card device */
710 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
711 if (!dev) return -ENOMEM;
712 DEBUG(1, "dev=0x%p", dev);
717 link->conf.Attributes = 0;
718 link->conf.IntType = INT_MEMORY;
720 return pcmciamtd_config(link);
723 static struct pcmcia_device_id pcmciamtd_ids[] = {
724 PCMCIA_DEVICE_FUNC_ID(1),
725 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21),
726 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21),
727 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a),
728 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e),
729 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf),
730 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb),
731 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c),
732 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda),
733 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0),
734 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
735 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
736 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
737 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
738 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
739 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
740 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
741 /* the following was commented out in pcmcia-cs-3.2.7 */
742 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */
743 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS
744 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, },
748 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids);
750 static struct pcmcia_driver pcmciamtd_driver = {
754 .probe = pcmciamtd_probe,
755 .remove = pcmciamtd_detach,
756 .owner = THIS_MODULE,
757 .id_table = pcmciamtd_ids,
758 .suspend = pcmciamtd_suspend,
759 .resume = pcmciamtd_resume,
763 static int __init init_pcmciamtd(void)
767 if(bankwidth && bankwidth != 1 && bankwidth != 2) {
768 info("bad bankwidth (%d), using default", bankwidth);
771 if(force_size && (force_size < 1 || force_size > 64)) {
772 info("bad force_size (%d), using default", force_size);
775 if(mem_type && mem_type != 1 && mem_type != 2) {
776 info("bad mem_type (%d), using default", mem_type);
779 return pcmcia_register_driver(&pcmciamtd_driver);
783 static void __exit exit_pcmciamtd(void)
785 DEBUG(1, DRIVER_DESC " unloading");
786 pcmcia_unregister_driver(&pcmciamtd_driver);
789 module_init(init_pcmciamtd);
790 module_exit(exit_pcmciamtd);