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authorNikanth Karthikesan <nikanth@google.com>2011-06-10 04:57:04 -0400
committerJiri Kosina <jkosina@suse.cz>2011-06-27 10:37:31 -0400
commit0acd33d08988cef238619f99ba056be16aab443e (patch)
tree691100981e57e837802ae26df9a701142f6ef996 /drivers/video/via
parentd5b55a8f79f77158334e2eff82ffb0eea74618f2 (diff)
viafbdev: fix compilation warning for unused variable
viafbdev: Fix compilation warning for unused variable for #ifdef MODULE Fix compilation warning when #ifdef MODULE drivers/video/via/viafbdev.c: In function ‘viafb_init’: drivers/video/via/viafbdev.c:2019: warning: unused variable ‘r’ Signed-off-by: Nikanth Karthikesan <nikanth@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/video/via')
-rw-r--r--drivers/video/via/viafbdev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index cf43c80d27f6..53aa4430d86e 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -2016,7 +2016,7 @@ static int __init viafb_setup(void)
2016int __init viafb_init(void) 2016int __init viafb_init(void)
2017{ 2017{
2018 u32 dummy_x, dummy_y; 2018 u32 dummy_x, dummy_y;
2019 int r; 2019 int r = 0;
2020 2020
2021 if (machine_is_olpc()) 2021 if (machine_is_olpc())
2022 /* Apply XO-1.5-specific configuration. */ 2022 /* Apply XO-1.5-specific configuration. */
@@ -2039,7 +2039,7 @@ int __init viafb_init(void)
2039 printk(KERN_INFO 2039 printk(KERN_INFO
2040 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", 2040 "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
2041 VERSION_MAJOR, VERSION_MINOR); 2041 VERSION_MAJOR, VERSION_MINOR);
2042 return 0; 2042 return r;
2043} 2043}
2044 2044
2045void __exit viafb_exit(void) 2045void __exit viafb_exit(void)
='#n141'>141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819
/*
 * $Id: pcmciamtd.c,v 1.55 2005/11/07 11:14:28 gleixner Exp $
 *
 * pcmciamtd.c - MTD driver for PCMCIA flash memory cards
 *
 * Author: Simon Evans <spse@secret.org.uk>
 *
 * Copyright (C) 2002 Simon Evans
 *
 * Licence: GPL
 *
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/system.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>

#include <linux/mtd/map.h>
#include <linux/mtd/mtd.h>

#ifdef CONFIG_MTD_DEBUG
static int debug = CONFIG_MTD_DEBUG_VERBOSE;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy");
#undef DEBUG
#define DEBUG(n, format, arg...) \
	if (n <= debug) {	 \
		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __FUNCTION__ , ## arg); \
	}

#else
#undef DEBUG
#define DEBUG(n, arg...)
static const int debug = 0;
#endif

#define err(format, arg...) printk(KERN_ERR "pcmciamtd: " format "\n" , ## arg)
#define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "pcmciamtd: " format "\n" , ## arg)


#define DRIVER_DESC	"PCMCIA Flash memory card driver"
#define DRIVER_VERSION	"$Revision: 1.55 $"

/* Size of the PCMCIA address space: 26 bits = 64 MB */
#define MAX_PCMCIA_ADDR	0x4000000

struct pcmciamtd_dev {
	struct pcmcia_device	*p_dev;
	dev_node_t	node;		/* device node */
	caddr_t		win_base;	/* ioremapped address of PCMCIA window */
	unsigned int	win_size;	/* size of window */
	unsigned int	offset;		/* offset into card the window currently points at */
	struct map_info	pcmcia_map;
	struct mtd_info	*mtd_info;
	int		vpp;
	char		mtd_name[sizeof(struct cistpl_vers_1_t)];
};


/* Module parameters */

/* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
static int bankwidth = 2;

/* Speed of memory accesses, in ns */
static int mem_speed;

/* Force the size of an SRAM card */
static int force_size;

/* Force Vpp */
static int vpp;

/* Set Vpp */
static int setvpp;

/* Force card to be treated as FLASH, ROM or RAM */
static int mem_type;

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
MODULE_DESCRIPTION(DRIVER_DESC);
module_param(bankwidth, int, 0);
MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
module_param(mem_speed, int, 0);
MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
module_param(force_size, int, 0);
MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
module_param(setvpp, int, 0);
MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
module_param(vpp, int, 0);
MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
module_param(mem_type, int, 0);
MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");


/* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */
static caddr_t remap_window(struct map_info *map, unsigned long to)
{
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
	window_handle_t win = (window_handle_t)map->map_priv_2;
	memreq_t mrq;
	int ret;

	if (!pcmcia_dev_present(dev->p_dev)) {
		DEBUG(1, "device removed");
		return 0;
	}

	mrq.CardOffset = to & ~(dev->win_size-1);
	if(mrq.CardOffset != dev->offset) {
		DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
		      dev->offset, mrq.CardOffset);
		mrq.Page = 0;
		if( (ret = pcmcia_map_mem_page(win, &mrq)) != CS_SUCCESS) {
			cs_error(dev->p_dev, MapMemPage, ret);
			return NULL;
		}
		dev->offset = mrq.CardOffset;
	}
	return dev->win_base + (to & (dev->win_size-1));
}


static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
{
	caddr_t addr;
	map_word d = {{0}};

	addr = remap_window(map, ofs);
	if(!addr)
		return d;

	d.x[0] = readb(addr);
	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]);
	return d;
}


static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
{
	caddr_t addr;
	map_word d = {{0}};

	addr = remap_window(map, ofs);
	if(!addr)
		return d;

	d.x[0] = readw(addr);
	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]);
	return d;
}


static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
{
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
	unsigned long win_size = dev->win_size;

	DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
	while(len) {
		int toread = win_size - (from & (win_size-1));
		caddr_t addr;

		if(toread > len)
			toread = len;

		addr = remap_window(map, from);
		if(!addr)
			return;

		DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);
		memcpy_fromio(to, addr, toread);
		len -= toread;
		to += toread;
		from += toread;
	}
}


static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
{
	caddr_t addr = remap_window(map, adr);

	if(!addr)
		return;

	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02x", adr, addr, d.x[0]);
	writeb(d.x[0], addr);
}


static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
{
	caddr_t addr = remap_window(map, adr);
	if(!addr)
		return;

	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04x", adr, addr, d.x[0]);
	writew(d.x[0], addr);
}


static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
{
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
	unsigned long win_size = dev->win_size;

	DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
	while(len) {
		int towrite = win_size - (to & (win_size-1));
		caddr_t addr;

		if(towrite > len)
			towrite = len;

		addr = remap_window(map, to);
		if(!addr)
			return;

		DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);
		memcpy_toio(addr, from, towrite);
		len -= towrite;
		to += towrite;
		from += towrite;
	}
}


/* read/write{8,16} copy_{from,to} routines with direct access */

#define DEV_REMOVED(x)  (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))

static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;
	map_word d = {{0}};

	if(DEV_REMOVED(map))
		return d;

	d.x[0] = readb(win_base + ofs);
	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, win_base + ofs, d.x[0]);
	return d;
}


static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;
	map_word d = {{0}};

	if(DEV_REMOVED(map))
		return d;

	d.x[0] = readw(win_base + ofs);
	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, win_base + ofs, d.x[0]);
	return d;
}


static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;

	if(DEV_REMOVED(map))
		return;

	DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
	memcpy_fromio(to, win_base + from, len);
}


static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;

	if(DEV_REMOVED(map))
		return;

	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02x", adr, win_base + adr, d);
	writeb(d, win_base + adr);
}


static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;

	if(DEV_REMOVED(map))
		return;

	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04x", adr, win_base + adr, d);
	writew(d, win_base + adr);
}


static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
{
	caddr_t win_base = (caddr_t)map->map_priv_2;

	if(DEV_REMOVED(map))
		return;

	DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
	memcpy_toio(win_base + to, from, len);
}


static void pcmciamtd_set_vpp(struct map_info *map, int on)
{
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
	struct pcmcia_device *link = dev->p_dev;
	modconf_t mod;
	int ret;

	mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID;
	mod.Vcc = 0;
	mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0;

	DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
	ret = pcmcia_modify_configuration(link, &mod);
	if(ret != CS_SUCCESS) {
		cs_error(link, ModifyConfiguration, ret);
	}
}


/* After a card is removed, pcmciamtd_release() will unregister the
 * device, and release the PCMCIA configuration.  If the device is
 * still open, this will be postponed until it is closed.
 */

static void pcmciamtd_release(struct pcmcia_device *link)
{
	struct pcmciamtd_dev *dev = link->priv;

	DEBUG(3, "link = 0x%p", link);

	if (link->win) {
		if(dev->win_base) {
			iounmap(dev->win_base);
			dev->win_base = NULL;
		}
		pcmcia_release_window(link->win);
	}
	pcmcia_disable_device(link);
}


static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
{
	int rc;
	tuple_t tuple;
	cisparse_t parse;
	u_char buf[64];

	tuple.Attributes = 0;
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = RETURN_FIRST_TUPLE;

	rc = pcmcia_get_first_tuple(link, &tuple);
	while(rc == CS_SUCCESS) {
		rc = pcmcia_get_tuple_data(link, &tuple);
		if(rc != CS_SUCCESS) {
			cs_error(link, GetTupleData, rc);
			break;
		}
		rc = pcmcia_parse_tuple(link, &tuple, &parse);
		if(rc != CS_SUCCESS) {
			cs_error(link, ParseTuple, rc);
			break;
		}

		switch(tuple.TupleCode) {
		case  CISTPL_FORMAT: {
			cistpl_format_t *t = &parse.format;
			(void)t; /* Shut up, gcc */
			DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
			      t->type, t->edc, t->offset, t->length);
			break;

		}

		case CISTPL_DEVICE: {
			cistpl_device_t *t = &parse.device;
			int i;
			DEBUG(2, "Common memory:");
			dev->pcmcia_map.size = t->dev[0].size;
			for(i = 0; i < t->ndev; i++) {
				DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
				DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
				DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
				DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
			}
			break;
		}

		case CISTPL_VERS_1: {
			cistpl_vers_1_t *t = &parse.version_1;
			int i;
			if(t->ns) {
				dev->mtd_name[0] = '\0';
				for(i = 0; i < t->ns; i++) {
					if(i)
						strcat(dev->mtd_name, " ");
					strcat(dev->mtd_name, t->str+t->ofs[i]);
				}
			}
			DEBUG(2, "Found name: %s", dev->mtd_name);
			break;
		}

		case CISTPL_JEDEC_C: {
			cistpl_jedec_t *t = &parse.jedec;
			int i;
			for(i = 0; i < t->nid; i++) {
				DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
			}
			break;
		}

		case CISTPL_DEVICE_GEO: {
			cistpl_device_geo_t *t = &parse.device_geo;
			int i;
			dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
			for(i = 0; i < t->ngeo; i++) {
				DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
				DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
				DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
				DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
				DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
				DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
			}
			break;
		}

		default:
			DEBUG(2, "Unknown tuple code %d", tuple.TupleCode);
		}

		rc = pcmcia_get_next_tuple(link, &tuple);
	}
	if(!dev->pcmcia_map.size)
		dev->pcmcia_map.size = MAX_PCMCIA_ADDR;

	if(!dev->pcmcia_map.bankwidth)
		dev->pcmcia_map.bankwidth = 2;

	if(force_size) {
		dev->pcmcia_map.size = force_size << 20;
		DEBUG(2, "size forced to %dM", force_size);
	}

	if(bankwidth) {
		dev->pcmcia_map.bankwidth = bankwidth;
		DEBUG(2, "bankwidth forced to %d", bankwidth);
	}

	dev->pcmcia_map.name = dev->mtd_name;
	if(!dev->mtd_name[0]) {
		strcpy(dev->mtd_name, "PCMCIA Memory card");
		*new_name = 1;
	}

	DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
	      dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
}


/* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event
 * is received, to configure the PCMCIA socket, and to make the
 * MTD device available to the system.
 */

#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

static int pcmciamtd_config(struct pcmcia_device *link)
{
	struct pcmciamtd_dev *dev = link->priv;
	struct mtd_info *mtd = NULL;
	cs_status_t status;
	win_req_t req;
	int last_ret = 0, last_fn = 0;
	int ret;
	int i;
	config_info_t t;
	static char *probes[] = { "jedec_probe", "cfi_probe" };
	cisinfo_t cisinfo;
	int new_name = 0;

	DEBUG(3, "link=0x%p", link);

	DEBUG(2, "Validating CIS");
	ret = pcmcia_validate_cis(link, &cisinfo);
	if(ret != CS_SUCCESS) {
		cs_error(link, GetTupleData, ret);
	} else {
		DEBUG(2, "ValidateCIS found %d chains", cisinfo.Chains);
	}

	card_settings(dev, link, &new_name);

	dev->pcmcia_map.phys = NO_XIP;
	dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
	dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
	if (dev->pcmcia_map.bankwidth == 1) {
		dev->pcmcia_map.read = pcmcia_read8_remap;
		dev->pcmcia_map.write = pcmcia_write8_remap;
	} else {
		dev->pcmcia_map.read = pcmcia_read16_remap;
		dev->pcmcia_map.write = pcmcia_write16_remap;
	}
	if(setvpp == 1)
		dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;

	/* Request a memory window for PCMCIA. Some architeures can map windows upto the maximum
	   that PCMCIA can support (64MiB) - this is ideal and we aim for a window the size of the
	   whole card - otherwise we try smaller windows until we succeed */

	req.Attributes =  WIN_MEMORY_TYPE_CM | WIN_ENABLE;
	req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
	req.Base = 0;
	req.AccessSpeed = mem_speed;
	link->win = (window_handle_t)link;
	req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR;
	dev->win_size = 0;

	do {
		int ret;
		DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
		      req.Size >> 10, req.AccessSpeed);
		ret = pcmcia_request_window(&link, &req, &link->win);
		DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
		if(ret) {
			req.Size >>= 1;
		} else {
			DEBUG(2, "Got window of size %dKiB", req.Size >> 10);
			dev->win_size = req.Size;
			break;
		}
	} while(req.Size >= 0x1000);

	DEBUG(2, "dev->win_size = %d", dev->win_size);

	if(!dev->win_size) {
		err("Cant allocate memory window");
		pcmciamtd_release(link);
		return -ENODEV;
	}
	DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);

	/* Get write protect status */
	CS_CHECK(GetStatus, pcmcia_get_status(link, &status));
	DEBUG(2, "status value: 0x%x window handle = 0x%8.8lx",
	      status.CardState, (unsigned long)link->win);
	dev->win_base = ioremap(req.Base, req.Size);
	if(!dev->win_base) {
		err("ioremap(%lu, %u) failed", req.Base, req.Size);
		pcmciamtd_release(link);
		return -ENODEV;
	}
	DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x",
	      dev, req.Base, dev->win_base, req.Size);

	dev->offset = 0;
	dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
	dev->pcmcia_map.map_priv_2 = (unsigned long)link->win;

	DEBUG(2, "Getting configuration");
	CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &t));
	DEBUG(2, "Vcc = %d Vpp1 = %d Vpp2 = %d", t.Vcc, t.Vpp1, t.Vpp2);
	dev->vpp = (vpp) ? vpp : t.Vpp1;
	link->conf.Attributes = 0;
	if(setvpp == 2) {
		link->conf.Vpp = dev->vpp;
	} else {
		link->conf.Vpp = 0;
	}

	link->conf.IntType = INT_MEMORY;
	link->conf.ConfigBase = t.ConfigBase;
	link->conf.Status = t.Status;
	link->conf.Pin = t.Pin;
	link->conf.Copy = t.Copy;
	link->conf.ExtStatus = t.ExtStatus;
	link->conf.ConfigIndex = 0;
	link->conf.Present = t.Present;
	DEBUG(2, "Setting Configuration");
	ret = pcmcia_request_configuration(link, &link->conf);
	if(ret != CS_SUCCESS) {
		cs_error(link, RequestConfiguration, ret);
		if (dev->win_base) {
			iounmap(dev->win_base);
			dev->win_base = NULL;
		}
		return -ENODEV;
	}

	if(mem_type == 1) {
		mtd = do_map_probe("map_ram", &dev->pcmcia_map);
	} else if(mem_type == 2) {
		mtd = do_map_probe("map_rom", &dev->pcmcia_map);
	} else {
		for(i = 0; i < ARRAY_SIZE(probes); i++) {
			DEBUG(1, "Trying %s", probes[i]);
			mtd = do_map_probe(probes[i], &dev->pcmcia_map);
			if(mtd)
				break;

			DEBUG(1, "FAILED: %s", probes[i]);
		}
	}

	if(!mtd) {
		DEBUG(1, "Cant find an MTD");
		pcmciamtd_release(link);
		return -ENODEV;
	}

	dev->mtd_info = mtd;
	mtd->owner = THIS_MODULE;

	if(new_name) {
		int size = 0;
		char unit = ' ';
		/* Since we are using a default name, make it better by adding in the
		   size */
		if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
			size = mtd->size >> 10;
			unit = 'K';
		} else {
			size = mtd->size >> 20;
			unit = 'M';
		}
		snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card");
	}

	/* If the memory found is fits completely into the mapped PCMCIA window,
	   use the faster non-remapping read/write functions */
	if(mtd->size <= dev->win_size) {
		DEBUG(1, "Using non remapping memory functions");
		dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;
		if (dev->pcmcia_map.bankwidth == 1) {
			dev->pcmcia_map.read = pcmcia_read8;
			dev->pcmcia_map.write = pcmcia_write8;
		} else {
			dev->pcmcia_map.read = pcmcia_read16;
			dev->pcmcia_map.write = pcmcia_write16;
		}
		dev->pcmcia_map.copy_from = pcmcia_copy_from;
		dev->pcmcia_map.copy_to = pcmcia_copy_to;
	}

	if(add_mtd_device(mtd)) {
		map_destroy(mtd);
		dev->mtd_info = NULL;
		err("Couldnt register MTD device");
		pcmciamtd_release(link);
		return -ENODEV;
	}
	snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index);
	info("mtd%d: %s", mtd->index, mtd->name);
	link->dev_node = &dev->node;
	return 0;

 cs_failed:
	cs_error(link, last_fn, last_ret);
	err("CS Error, exiting");
	pcmciamtd_release(link);
	return -ENODEV;
}


static int pcmciamtd_suspend(struct pcmcia_device *dev)
{
	DEBUG(2, "EVENT_PM_RESUME");

	/* get_lock(link); */

	return 0;
}

static int pcmciamtd_resume(struct pcmcia_device *dev)
{
	DEBUG(2, "EVENT_PM_SUSPEND");

	/* free_lock(link); */

	return 0;
}


/* This deletes a driver "instance".  The device is de-registered
 * with Card Services.  If it has been released, all local data
 * structures are freed.  Otherwise, the structures will be freed
 * when the device is released.
 */

static void pcmciamtd_detach(struct pcmcia_device *link)
{
	struct pcmciamtd_dev *dev = link->priv;

	DEBUG(3, "link=0x%p", link);

	if(dev->mtd_info) {
		del_mtd_device(dev->mtd_info);
		map_destroy(dev->mtd_info);
		info("mtd%d: Removed", dev->mtd_info->index);
	}

	pcmciamtd_release(link);
}


/* pcmciamtd_attach() creates an "instance" of the driver, allocating
 * local data structures for one device.  The device is registered
 * with Card Services.
 */

static int pcmciamtd_probe(struct pcmcia_device *link)
{
	struct pcmciamtd_dev *dev;

	/* Create new memory card device */