/* * pcmciamtd.c - MTD driver for PCMCIA flash memory cards * * Author: Simon Evans * * Copyright (C) 2002 Simon Evans * * Licence: GPL * */ #include #include #include #include #include #include #include #include #include #include #include #include #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", __func__ , ## 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" /* 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 "); 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; ret = pcmcia_map_mem_page(win, &mrq); if (ret != 0) 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); } /* 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); } #ifdef CONFIG_MTD_DEBUG static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, tuple_t *tuple, void *priv_data) { cisparse_t parse; if (!pcmcia_parse_tuple(tuple, &parse)) { 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); } return -ENOSPC; } static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, tuple_t *tuple, void *priv_data) { cisparse_t parse; int i; if (!pcmcia_parse_tuple(tuple, &parse)) { cistpl_jedec_t *t = &parse.jedec; for (i = 0; i < t->nid; i++) DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info); } return -ENOSPC; } #endif static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, tuple_t *tuple, void *priv_data) { struct pcmciamtd_dev *dev = priv_data; cisparse_t parse; cistpl_device_t *t = &parse.device; int i; if (pcmcia_parse_tuple(tuple, &parse)) return -EINVAL; DEBUG(2, "Common memory:"); dev->pcmcia_map.size = t->dev[0].size; /* from here on: DEBUG only */ 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); } return 0; } static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, tuple_t *tuple, void *priv_data) { struct pcmciamtd_dev *dev = priv_data; cisparse_t parse; cistpl_device_geo_t *t = &parse.device_geo; int i; if (pcmcia_parse_tuple(tuple, &parse)) return -EINVAL; dev->pcmcia_map.bankwidth = t->geo[0].buswidth; /* from here on: DEBUG only */ 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); } return 0; } static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name) { int i; if (p_dev->prod_id[0]) { dev->mtd_name[0] = '\0'; for (i = 0; i < 4; i++) { if (i) strcat(dev->mtd_name, " "); if (p_dev->prod_id[i]) strcat(dev->mtd_name, p_dev->prod_id[i]); } DEBUG(2, "Found name: %s", dev->mtd_name); } #ifdef CONFIG_MTD_DEBUG pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL); pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL); #endif pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev); pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev); 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. */ 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 ret; int i; static char *probes[] = { "jedec_probe", "cfi_probe" }; int new_name = 0; DEBUG(3, "link=0x%p", link); 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 */ DEBUG(2, "window handle = 0x%8.8lx", (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; dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp; link->conf.Attributes = 0; if(setvpp == 2) { link->conf.Vpp = dev->vpp; } else { link->conf.Vpp = 0; } link->conf.IntType = INT_MEMORY; link->conf.ConfigIndex = 0; DEBUG(2, "Setting Configuration"); ret = pcmcia_request_configuration(link, &link->conf); if (ret != 0) { 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; failed: 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 */ dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; DEBUG(1, "dev=0x%p", dev); dev->p_dev = link; link->priv = dev; link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY; return pcmciamtd_config(link); } static struct pcmcia_device_id pcmciamtd_ids[] = { PCMCIA_DEVICE_FUNC_ID(1), PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a), PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e), PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf), PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb), PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c), PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda), PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0), PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8), PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c), PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0), PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b), PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad), PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca), PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944), /* the following was commented out in pcmcia-cs-3.2.7 */ /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */ #ifdef CONFIG_MTD_PCMCIA_ANONYMOUS { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, }, #endif PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids); static struct pcmcia_driver pcmciamtd_driver = { .drv = { .name = "pcmciamtd" }, .probe = pcmciamtd_probe, .remove = pcmciamtd_detach, .owner = THIS_MODULE, .id_table = pcmciamtd_ids, .suspend = pcmciamtd_suspend, .resume = pcmciamtd_resume, }; static int __init init_pcmciamtd(void) { info(DRIVER_DESC); if(bankwidth && bankwidth != 1 && bankwidth != 2) { info("bad bankwidth (%d), using default", bankwidth); bankwidth = 2; } if(force_size && (force_size < 1 || force_size > 64)) { info("bad force_size (%d), using default", force_size); force_size = 0; } if(mem_type && mem_type != 1 && mem_type != 2) { info("bad mem_type (%d), using default", mem_type); mem_type = 0; } return pcmcia_register_driver(&pcmciamtd_driver); } static void __exit exit_pcmciamtd(void) { DEBUG(1, DRIVER_DESC " unloading"); pcmcia_unregister_driver(&pcmciamtd_driver); } module_init(init_pcmciamtd); module_exit(exit_pcmciamtd);