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 dev_node_t node; /* device node */
56 caddr_t win_base; /* ioremapped address of PCMCIA window */
57 unsigned int win_size; /* size of window */
58 unsigned int offset; /* offset into card the window currently points at */
59 struct map_info pcmcia_map;
60 struct mtd_info *mtd_info;
62 char mtd_name[sizeof(struct cistpl_vers_1_t)];
66 /* Module parameters */
68 /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
69 static int bankwidth = 2;
71 /* Speed of memory accesses, in ns */
74 /* Force the size of an SRAM card */
75 static int force_size;
83 /* Force card to be treated as FLASH, ROM or RAM */
86 MODULE_LICENSE("GPL");
87 MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
88 MODULE_DESCRIPTION(DRIVER_DESC);
89 module_param(bankwidth, int, 0);
90 MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
91 module_param(mem_speed, int, 0);
92 MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
93 module_param(force_size, int, 0);
94 MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
95 module_param(setvpp, int, 0);
96 MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
97 module_param(vpp, int, 0);
98 MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
99 module_param(mem_type, int, 0);
100 MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
103 /* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */
104 static caddr_t remap_window(struct map_info *map, unsigned long to)
106 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
107 window_handle_t win = (window_handle_t)map->map_priv_2;
111 if (!pcmcia_dev_present(dev->p_dev)) {
112 DEBUG(1, "device removed");
116 mrq.CardOffset = to & ~(dev->win_size-1);
117 if(mrq.CardOffset != dev->offset) {
118 DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
119 dev->offset, mrq.CardOffset);
121 ret = pcmcia_map_mem_page(win, &mrq);
123 cs_error(dev->p_dev, MapMemPage, ret);
126 dev->offset = mrq.CardOffset;
128 return dev->win_base + (to & (dev->win_size-1));
132 static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
137 addr = remap_window(map, ofs);
141 d.x[0] = readb(addr);
142 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]);
147 static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
152 addr = remap_window(map, ofs);
156 d.x[0] = readw(addr);
157 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]);
162 static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
164 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
165 unsigned long win_size = dev->win_size;
167 DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
169 int toread = win_size - (from & (win_size-1));
175 addr = remap_window(map, from);
179 DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);
180 memcpy_fromio(to, addr, toread);
188 static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
190 caddr_t addr = remap_window(map, adr);
195 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, addr, d.x[0]);
196 writeb(d.x[0], addr);
200 static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
202 caddr_t addr = remap_window(map, adr);
206 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, addr, d.x[0]);
207 writew(d.x[0], addr);
211 static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
213 struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
214 unsigned long win_size = dev->win_size;
216 DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
218 int towrite = win_size - (to & (win_size-1));
224 addr = remap_window(map, to);
228 DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);
229 memcpy_toio(addr, from, towrite);
237 /* read/write{8,16} copy_{from,to} routines with direct access */
239 #define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))
241 static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
243 caddr_t win_base = (caddr_t)map->map_priv_2;
249 d.x[0] = readb(win_base + ofs);
250 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, win_base + ofs, d.x[0]);
255 static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
257 caddr_t win_base = (caddr_t)map->map_priv_2;
263 d.x[0] = readw(win_base + ofs);
264 DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, win_base + ofs, d.x[0]);
269 static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
271 caddr_t win_base = (caddr_t)map->map_priv_2;
276 DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
277 memcpy_fromio(to, win_base + from, len);
281 static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr)
283 caddr_t win_base = (caddr_t)map->map_priv_2;
288 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, win_base + adr, d);
289 writeb(d, win_base + adr);
293 static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr)
295 caddr_t win_base = (caddr_t)map->map_priv_2;
300 DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, win_base + adr, d);
301 writew(d, 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 = %u", 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);
331 cs_error(link, ModifyConfiguration, ret);
335 /* After a card is removed, pcmciamtd_release() will unregister the
336 * device, and release the PCMCIA configuration. If the device is
337 * still open, this will be postponed until it is closed.
340 static void pcmciamtd_release(struct pcmcia_device *link)
342 struct pcmciamtd_dev *dev = link->priv;
344 DEBUG(3, "link = 0x%p", link);
348 iounmap(dev->win_base);
349 dev->win_base = NULL;
351 pcmcia_release_window(link->win);
353 pcmcia_disable_device(link);
357 #ifdef CONFIG_MTD_DEBUG
358 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
364 if (!pcmcia_parse_tuple(tuple, &parse)) {
365 cistpl_format_t *t = &parse.format;
366 (void)t; /* Shut up, gcc */
367 DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
368 t->type, t->edc, t->offset, t->length);
373 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
380 if (!pcmcia_parse_tuple(tuple, &parse)) {
381 cistpl_jedec_t *t = &parse.jedec;
382 for (i = 0; i < t->nid; i++)
383 DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
389 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
393 struct pcmciamtd_dev *dev = priv_data;
395 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;
420 if (pcmcia_parse_tuple(tuple, &parse))
423 dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
424 /* from here on: DEBUG only */
425 for (i = 0; i < t->ngeo; i++) {
426 DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
427 DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
428 DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
429 DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
430 DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
431 DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
437 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
441 if (p_dev->prod_id[0]) {
442 dev->mtd_name[0] = '\0';
443 for (i = 0; i < 4; i++) {
445 strcat(dev->mtd_name, " ");
446 if (p_dev->prod_id[i])
447 strcat(dev->mtd_name, p_dev->prod_id[i]);
449 DEBUG(2, "Found name: %s", dev->mtd_name);
452 #ifdef CONFIG_MTD_DEBUG
453 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
454 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
456 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
457 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
459 if(!dev->pcmcia_map.size)
460 dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
462 if(!dev->pcmcia_map.bankwidth)
463 dev->pcmcia_map.bankwidth = 2;
466 dev->pcmcia_map.size = force_size << 20;
467 DEBUG(2, "size forced to %dM", force_size);
471 dev->pcmcia_map.bankwidth = bankwidth;
472 DEBUG(2, "bankwidth forced to %d", bankwidth);
475 dev->pcmcia_map.name = dev->mtd_name;
476 if(!dev->mtd_name[0]) {
477 strcpy(dev->mtd_name, "PCMCIA Memory card");
481 DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
482 dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
486 /* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event
487 * is received, to configure the PCMCIA socket, and to make the
488 * MTD device available to the system.
491 #define CS_CHECK(fn, ret) \
492 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
494 static int pcmciamtd_config(struct pcmcia_device *link)
496 struct pcmciamtd_dev *dev = link->priv;
497 struct mtd_info *mtd = NULL;
500 int last_ret = 0, last_fn = 0;
503 static char *probes[] = { "jedec_probe", "cfi_probe" };
506 DEBUG(3, "link=0x%p", link);
508 card_settings(dev, link, &new_name);
510 dev->pcmcia_map.phys = NO_XIP;
511 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
512 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
513 if (dev->pcmcia_map.bankwidth == 1) {
514 dev->pcmcia_map.read = pcmcia_read8_remap;
515 dev->pcmcia_map.write = pcmcia_write8_remap;
517 dev->pcmcia_map.read = pcmcia_read16_remap;
518 dev->pcmcia_map.write = pcmcia_write16_remap;
521 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
523 /* Request a memory window for PCMCIA. Some architeures can map windows upto the maximum
524 that PCMCIA can support (64MiB) - this is ideal and we aim for a window the size of the
525 whole card - otherwise we try smaller windows until we succeed */
527 req.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE;
528 req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
530 req.AccessSpeed = mem_speed;
531 link->win = (window_handle_t)link;
532 req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR;
537 DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
538 req.Size >> 10, req.AccessSpeed);
539 ret = pcmcia_request_window(&link, &req, &link->win);
540 DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
544 DEBUG(2, "Got window of size %dKiB", req.Size >> 10);
545 dev->win_size = req.Size;
548 } while(req.Size >= 0x1000);
550 DEBUG(2, "dev->win_size = %d", dev->win_size);
553 err("Cant allocate memory window");
554 pcmciamtd_release(link);
557 DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);
559 /* Get write protect status */
560 DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win);
561 dev->win_base = ioremap(req.Base, req.Size);
563 err("ioremap(%lu, %u) failed", req.Base, req.Size);
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);
587 cs_error(link, RequestConfiguration, ret);
589 iounmap(dev->win_base);
590 dev->win_base = NULL;
596 mtd = do_map_probe("map_ram", &dev->pcmcia_map);
597 } else if(mem_type == 2) {
598 mtd = do_map_probe("map_rom", &dev->pcmcia_map);
600 for(i = 0; i < ARRAY_SIZE(probes); i++) {
601 DEBUG(1, "Trying %s", probes[i]);
602 mtd = do_map_probe(probes[i], &dev->pcmcia_map);
606 DEBUG(1, "FAILED: %s", probes[i]);
611 DEBUG(1, "Cant find an MTD");
612 pcmciamtd_release(link);
617 mtd->owner = THIS_MODULE;
622 /* Since we are using a default name, make it better by adding in the
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 err("Couldnt register MTD device");
654 pcmciamtd_release(link);
657 snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index);
658 info("mtd%d: %s", mtd->index, mtd->name);
659 link->dev_node = &dev->node;
663 cs_error(link, last_fn, last_ret);
664 err("CS Error, exiting");
665 pcmciamtd_release(link);
670 static int pcmciamtd_suspend(struct pcmcia_device *dev)
672 DEBUG(2, "EVENT_PM_RESUME");
674 /* get_lock(link); */
679 static int pcmciamtd_resume(struct pcmcia_device *dev)
681 DEBUG(2, "EVENT_PM_SUSPEND");
683 /* free_lock(link); */
689 /* This deletes a driver "instance". The device is de-registered
690 * with Card Services. If it has been released, all local data
691 * structures are freed. Otherwise, the structures will be freed
692 * when the device is released.
695 static void pcmciamtd_detach(struct pcmcia_device *link)
697 struct pcmciamtd_dev *dev = link->priv;
699 DEBUG(3, "link=0x%p", link);
702 del_mtd_device(dev->mtd_info);
703 map_destroy(dev->mtd_info);
704 info("mtd%d: Removed", dev->mtd_info->index);
707 pcmciamtd_release(link);
711 /* pcmciamtd_attach() creates an "instance" of the driver, allocating
712 * local data structures for one device. The device is registered
713 * with Card Services.
716 static int pcmciamtd_probe(struct pcmcia_device *link)
718 struct pcmciamtd_dev *dev;
720 /* Create new memory card device */
721 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
722 if (!dev) return -ENOMEM;
723 DEBUG(1, "dev=0x%p", dev);
728 link->conf.Attributes = 0;
729 link->conf.IntType = INT_MEMORY;
731 return pcmciamtd_config(link);
734 static struct pcmcia_device_id pcmciamtd_ids[] = {
735 PCMCIA_DEVICE_FUNC_ID(1),
736 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21),
737 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21),
738 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a),
739 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e),
740 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf),
741 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb),
742 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c),
743 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda),
744 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0),
745 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
746 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
747 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
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("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
751 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
752 /* the following was commented out in pcmcia-cs-3.2.7 */
753 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */
754 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS
755 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, },
759 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids);
761 static struct pcmcia_driver pcmciamtd_driver = {
765 .probe = pcmciamtd_probe,
766 .remove = pcmciamtd_detach,
767 .owner = THIS_MODULE,
768 .id_table = pcmciamtd_ids,
769 .suspend = pcmciamtd_suspend,
770 .resume = pcmciamtd_resume,
774 static int __init init_pcmciamtd(void)
778 if(bankwidth && bankwidth != 1 && bankwidth != 2) {
779 info("bad bankwidth (%d), using default", bankwidth);
782 if(force_size && (force_size < 1 || force_size > 64)) {
783 info("bad force_size (%d), using default", force_size);
786 if(mem_type && mem_type != 1 && mem_type != 2) {
787 info("bad mem_type (%d), using default", mem_type);
790 return pcmcia_register_driver(&pcmciamtd_driver);
794 static void __exit exit_pcmciamtd(void)
796 DEBUG(1, DRIVER_DESC " unloading");
797 pcmcia_unregister_driver(&pcmciamtd_driver);
800 module_init(init_pcmciamtd);
801 module_exit(exit_pcmciamtd);