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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / mtd / maps / pcmciamtd.c
blob70bb403f69f72cc02198fe6946cfaf1bbb418134
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_SPINLOCK(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 unsigned long flags;
304
305 pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp);
306 spin_lock_irqsave(&pcmcia_vpp_lock, flags);
307 if (on) {
308 if (++pcmcia_vpp_refcnt == 1) /* first nested 'on' */
309 pcmcia_fixup_vpp(link, dev->vpp);
310 } else {
311 if (--pcmcia_vpp_refcnt == 0) /* last nested 'off' */
312 pcmcia_fixup_vpp(link, 0);
313 }
314 spin_unlock_irqrestore(&pcmcia_vpp_lock, flags);
315 }
316
317
318 static void pcmciamtd_release(struct pcmcia_device *link)
319 {
320 struct pcmciamtd_dev *dev = link->priv;
321
322 pr_debug("link = 0x%p\n", link);
323
324 if (link->resource[2]->end) {
325 if(dev->win_base) {
326 iounmap(dev->win_base);
327 dev->win_base = NULL;
328 }
329 }
330 pcmcia_disable_device(link);
331 }
332
333
334 static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
335 tuple_t *tuple,
336 void *priv_data)
337 {
338 cisparse_t parse;
339
340 if (!pcmcia_parse_tuple(tuple, &parse)) {
341 cistpl_format_t *t = &parse.format;
342 (void)t; /* Shut up, gcc */
343 pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n",
344 t->type, t->edc, t->offset, t->length);
345 }
346 return -ENOSPC;
347 }
348
349 static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
350 tuple_t *tuple,
351 void *priv_data)
352 {
353 cisparse_t parse;
354 int i;
355
356 if (!pcmcia_parse_tuple(tuple, &parse)) {
357 cistpl_jedec_t *t = &parse.jedec;
358 for (i = 0; i < t->nid; i++)
359 pr_debug("JEDEC: 0x%02x 0x%02x\n",
360 t->id[i].mfr, t->id[i].info);
361 }
362 return -ENOSPC;
363 }
364
365 static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
366 tuple_t *tuple,
367 void *priv_data)
368 {
369 struct pcmciamtd_dev *dev = priv_data;
370 cisparse_t parse;
371 cistpl_device_t *t = &parse.device;
372 int i;
373
374 if (pcmcia_parse_tuple(tuple, &parse))
375 return -EINVAL;
376
377 pr_debug("Common memory:\n");
378 dev->pcmcia_map.size = t->dev[0].size;
379 /* from here on: DEBUG only */
380 for (i = 0; i < t->ndev; i++) {
381 pr_debug("Region %d, type = %u\n", i, t->dev[i].type);
382 pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp);
383 pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed);
384 pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size);
385 }
386 return 0;
387 }
388
389 static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
390 tuple_t *tuple,
391 void *priv_data)
392 {
393 struct pcmciamtd_dev *dev = priv_data;
394 cisparse_t parse;
395 cistpl_device_geo_t *t = &parse.device_geo;
396 int i;
397
398 if (pcmcia_parse_tuple(tuple, &parse))
399 return -EINVAL;
400
401 dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
402 /* from here on: DEBUG only */
403 for (i = 0; i < t->ngeo; i++) {
404 pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth);
405 pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block);
406 pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block);
407 pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block);
408 pr_debug("region: %d partition = %u\n", i, t->geo[i].partition);
409 pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave);
410 }
411 return 0;
412 }
413
414
415 static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name)
416 {
417 int i;
418
419 if (p_dev->prod_id[0]) {
420 dev->mtd_name[0] = '\0';
421 for (i = 0; i < 4; i++) {
422 if (i)
423 strcat(dev->mtd_name, " ");
424 if (p_dev->prod_id[i])
425 strcat(dev->mtd_name, p_dev->prod_id[i]);
426 }
427 pr_debug("Found name: %s\n", dev->mtd_name);
428 }
429
430 pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
431 pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
432 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
433 pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
434
435 if(!dev->pcmcia_map.size)
436 dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
437
438 if(!dev->pcmcia_map.bankwidth)
439 dev->pcmcia_map.bankwidth = 2;
440
441 if(force_size) {
442 dev->pcmcia_map.size = force_size << 20;
443 pr_debug("size forced to %dM\n", force_size);
444 }
445
446 if(bankwidth) {
447 dev->pcmcia_map.bankwidth = bankwidth;
448 pr_debug("bankwidth forced to %d\n", bankwidth);
449 }
450
451 dev->pcmcia_map.name = dev->mtd_name;
452 if(!dev->mtd_name[0]) {
453 strcpy(dev->mtd_name, "PCMCIA Memory card");
454 *new_name = 1;
455 }
456
457 pr_debug("Device: Size: %lu Width:%d Name: %s\n",
458 dev->pcmcia_map.size,
459 dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
460 }
461
462
463 static int pcmciamtd_config(struct pcmcia_device *link)
464 {
465 struct pcmciamtd_dev *dev = link->priv;
466 struct mtd_info *mtd = NULL;
467 int ret;
468 int i, j = 0;
469 static char *probes[] = { "jedec_probe", "cfi_probe" };
470 int new_name = 0;
471
472 pr_debug("link=0x%p\n", link);
473
474 card_settings(dev, link, &new_name);
475
476 dev->pcmcia_map.phys = NO_XIP;
477 dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
478 dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
479 if (dev->pcmcia_map.bankwidth == 1) {
480 dev->pcmcia_map.read = pcmcia_read8_remap;
481 dev->pcmcia_map.write = pcmcia_write8_remap;
482 } else {
483 dev->pcmcia_map.read = pcmcia_read16_remap;
484 dev->pcmcia_map.write = pcmcia_write16_remap;
485 }
486 if(setvpp == 1)
487 dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
488
489 /* Request a memory window for PCMCIA. Some architeures can map windows
490 * up to the maximum that PCMCIA can support (64MiB) - this is ideal and
491 * we aim for a window the size of the whole card - otherwise we try
492 * smaller windows until we succeed
493 */
494
495 link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE;
496 link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ?
497 WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
498 link->resource[2]->start = 0;
499 link->resource[2]->end = (force_size) ? force_size << 20 :
500 MAX_PCMCIA_ADDR;
501 dev->win_size = 0;
502
503 do {
504 int ret;
505 pr_debug("requesting window with size = %luKiB memspeed = %d\n",
506 (unsigned long) resource_size(link->resource[2]) >> 10,
507 mem_speed);
508 ret = pcmcia_request_window(link, link->resource[2], mem_speed);
509 pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size);
510 if(ret) {
511 j++;
512 link->resource[2]->start = 0;
513 link->resource[2]->end = (force_size) ?
514 force_size << 20 : MAX_PCMCIA_ADDR;
515 link->resource[2]->end >>= j;
516 } else {
517 pr_debug("Got window of size %luKiB\n", (unsigned long)
518 resource_size(link->resource[2]) >> 10);
519 dev->win_size = resource_size(link->resource[2]);
520 break;
521 }
522 } while (link->resource[2]->end >= 0x1000);
523
524 pr_debug("dev->win_size = %d\n", dev->win_size);
525
526 if(!dev->win_size) {
527 dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n");
528 pcmciamtd_release(link);
529 return -ENODEV;
530 }
531 pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10);
532
533 /* Get write protect status */
534 dev->win_base = ioremap(link->resource[2]->start,
535 resource_size(link->resource[2]));
536 if(!dev->win_base) {
537 dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n",
538 link->resource[2]);
539 pcmciamtd_release(link);
540 return -ENODEV;
541 }
542 pr_debug("mapped window dev = %p @ %pR, base = %p\n",
543 dev, link->resource[2], dev->win_base);
544
545 dev->offset = 0;
546 dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
547 dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2];
548
549 dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp;
550 if(setvpp == 2) {
551 link->vpp = dev->vpp;
552 } else {
553 link->vpp = 0;
554 }
555
556 link->config_index = 0;
557 pr_debug("Setting Configuration\n");
558 ret = pcmcia_enable_device(link);
559 if (ret != 0) {
560 if (dev->win_base) {
561 iounmap(dev->win_base);
562 dev->win_base = NULL;
563 }
564 return -ENODEV;
565 }
566
567 if(mem_type == 1) {
568 mtd = do_map_probe("map_ram", &dev->pcmcia_map);
569 } else if(mem_type == 2) {
570 mtd = do_map_probe("map_rom", &dev->pcmcia_map);
571 } else {
572 for(i = 0; i < ARRAY_SIZE(probes); i++) {
573 pr_debug("Trying %s\n", probes[i]);
574 mtd = do_map_probe(probes[i], &dev->pcmcia_map);
575 if(mtd)
576 break;
577
578 pr_debug("FAILED: %s\n", probes[i]);
579 }
580 }
581
582 if(!mtd) {
583 pr_debug("Can not find an MTD\n");
584 pcmciamtd_release(link);
585 return -ENODEV;
586 }
587
588 dev->mtd_info = mtd;
589 mtd->owner = THIS_MODULE;
590
591 if(new_name) {
592 int size = 0;
593 char unit = ' ';
594 /* Since we are using a default name, make it better by adding
595 * in the size
596 */
597 if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
598 size = mtd->size >> 10;
599 unit = 'K';
600 } else {
601 size = mtd->size >> 20;
602 unit = 'M';
603 }
604 snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card");
605 }
606
607 /* If the memory found is fits completely into the mapped PCMCIA window,
608 use the faster non-remapping read/write functions */
609 if(mtd->size <= dev->win_size) {
610 pr_debug("Using non remapping memory functions\n");
611 dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;
612 if (dev->pcmcia_map.bankwidth == 1) {
613 dev->pcmcia_map.read = pcmcia_read8;
614 dev->pcmcia_map.write = pcmcia_write8;
615 } else {
616 dev->pcmcia_map.read = pcmcia_read16;
617 dev->pcmcia_map.write = pcmcia_write16;
618 }
619 dev->pcmcia_map.copy_from = pcmcia_copy_from;
620 dev->pcmcia_map.copy_to = pcmcia_copy_to;
621 }
622
623 if (mtd_device_register(mtd, NULL, 0)) {
624 map_destroy(mtd);
625 dev->mtd_info = NULL;
626 dev_err(&dev->p_dev->dev,
627 "Could not register the MTD device\n");
628 pcmciamtd_release(link);
629 return -ENODEV;
630 }
631 dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name);
632 return 0;
633 }
634
635
636 static int pcmciamtd_suspend(struct pcmcia_device *dev)
637 {
638 pr_debug("EVENT_PM_RESUME\n");
639
640 /* get_lock(link); */
641
642 return 0;
643 }
644
645 static int pcmciamtd_resume(struct pcmcia_device *dev)
646 {
647 pr_debug("EVENT_PM_SUSPEND\n");
648
649 /* free_lock(link); */
650
651 return 0;
652 }
653
654
655 static void pcmciamtd_detach(struct pcmcia_device *link)
656 {
657 struct pcmciamtd_dev *dev = link->priv;
658
659 pr_debug("link=0x%p\n", link);
660
661 if(dev->mtd_info) {
662 mtd_device_unregister(dev->mtd_info);
663 dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
664 dev->mtd_info->index);
665 map_destroy(dev->mtd_info);
666 }
667
668 pcmciamtd_release(link);
669 }
670
671
672 static int pcmciamtd_probe(struct pcmcia_device *link)
673 {
674 struct pcmciamtd_dev *dev;
675
676 /* Create new memory card device */
677 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
678 if (!dev) return -ENOMEM;
679 pr_debug("dev=0x%p\n", dev);
680
681 dev->p_dev = link;
682 link->priv = dev;
683
684 return pcmciamtd_config(link);
685 }
686
687 static const struct pcmcia_device_id pcmciamtd_ids[] = {
688 PCMCIA_DEVICE_FUNC_ID(1),
689 PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21),
690 PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21),
691 PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a),
692 PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e),
693 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf),
694 PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb),
695 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c),
696 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda),
697 PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0),
698 PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
699 PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
700 PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
701 PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965),
702 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca),
703 PCMCIA_DEVICE_PROD_ID12("PRETEC", " 4MB SRAM CARD", 0xebf91155, 0x20b6bf17),
704 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
705 PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
706 PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05),
707 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
708 PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
709 /* the following was commented out in pcmcia-cs-3.2.7 */
710 /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */
711 #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS
712 { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, },
713 #endif
714 PCMCIA_DEVICE_NULL
715 };
716 MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids);
717
718 static struct pcmcia_driver pcmciamtd_driver = {
719 .name = "pcmciamtd",
720 .probe = pcmciamtd_probe,
721 .remove = pcmciamtd_detach,
722 .owner = THIS_MODULE,
723 .id_table = pcmciamtd_ids,
724 .suspend = pcmciamtd_suspend,
725 .resume = pcmciamtd_resume,
726 };
727
728
729 static int __init init_pcmciamtd(void)
730 {
731 if(bankwidth && bankwidth != 1 && bankwidth != 2) {
732 info("bad bankwidth (%d), using default", bankwidth);
733 bankwidth = 2;
734 }
735 if(force_size && (force_size < 1 || force_size > 64)) {
736 info("bad force_size (%d), using default", force_size);
737 force_size = 0;
738 }
739 if(mem_type && mem_type != 1 && mem_type != 2) {
740 info("bad mem_type (%d), using default", mem_type);
741 mem_type = 0;
742 }
743 return pcmcia_register_driver(&pcmciamtd_driver);
744 }
745
746
747 static void __exit exit_pcmciamtd(void)
748 {
749 pr_debug(DRIVER_DESC " unloading");
750 pcmcia_unregister_driver(&pcmciamtd_driver);
751 }
752
753 module_init(init_pcmciamtd);
754 module_exit(exit_pcmciamtd);
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