Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ds.c -- 16-bit PCMCIA core support |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * The initial developer of the original code is David A. Hinds |
| 9 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| 10 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| 11 | * |
| 12 | * (C) 1999 David A. Hinds |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 13 | * (C) 2003 - 2006 Dominik Brodowski |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | */ |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include <linux/kernel.h> |
Dominik Brodowski | 3b659fb | 2005-06-27 16:28:51 -0700 | [diff] [blame] | 17 | #include <linux/module.h> |
| 18 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/errno.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <linux/list.h> |
| 21 | #include <linux/delay.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/workqueue.h> |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 23 | #include <linux/crc32.h> |
Dominik Brodowski | daa9517 | 2005-06-27 16:28:14 -0700 | [diff] [blame] | 24 | #include <linux/firmware.h> |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 25 | #include <linux/kref.h> |
James Bottomley | 43d9f7f | 2007-10-16 01:23:58 -0700 | [diff] [blame] | 26 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <pcmcia/cs_types.h> |
| 29 | #include <pcmcia/cs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <pcmcia/cistpl.h> |
| 31 | #include <pcmcia/ds.h> |
| 32 | #include <pcmcia/ss.h> |
| 33 | |
| 34 | #include "cs_internal.h" |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 35 | #include "ds_internal.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
| 37 | /*====================================================================*/ |
| 38 | |
| 39 | /* Module parameters */ |
| 40 | |
| 41 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); |
| 42 | MODULE_DESCRIPTION("PCMCIA Driver Services"); |
| 43 | MODULE_LICENSE("GPL"); |
| 44 | |
Dominik Brodowski | 7d16b65 | 2008-08-02 21:02:01 +0200 | [diff] [blame] | 45 | #ifdef CONFIG_PCMCIA_DEBUG |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 46 | int ds_pc_debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | module_param_named(pc_debug, ds_pc_debug, int, 0644); |
| 49 | |
| 50 | #define ds_dbg(lvl, fmt, arg...) do { \ |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 51 | if (ds_pc_debug > (lvl)) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | printk(KERN_DEBUG "ds: " fmt , ## arg); \ |
| 53 | } while (0) |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 54 | #define ds_dev_dbg(lvl, dev, fmt, arg...) do { \ |
| 55 | if (ds_pc_debug > (lvl)) \ |
| 56 | dev_printk(KERN_DEBUG, dev, "ds: " fmt , ## arg); \ |
| 57 | } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #else |
| 59 | #define ds_dbg(lvl, fmt, arg...) do { } while (0) |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 60 | #define ds_dev_dbg(lvl, dev, fmt, arg...) do { } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #endif |
| 62 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 63 | spinlock_t pcmcia_dev_list_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | /*====================================================================*/ |
| 66 | |
| 67 | /* code which was in cs.c before */ |
| 68 | |
| 69 | /* String tables for error messages */ |
| 70 | |
| 71 | typedef struct lookup_t { |
| 72 | int key; |
| 73 | char *msg; |
| 74 | } lookup_t; |
| 75 | |
| 76 | static const lookup_t error_table[] = { |
Dominik Brodowski | 610e237 | 2008-08-03 11:58:53 +0200 | [diff] [blame] | 77 | { 0, "Operation succeeded" }, |
Dominik Brodowski | d8b0a49 | 2008-08-03 10:56:13 +0200 | [diff] [blame] | 78 | { -EIO, "Input/Output error" }, |
Dominik Brodowski | 3939c1ef | 2008-08-03 11:10:56 +0200 | [diff] [blame] | 79 | { -ENODEV, "No card present" }, |
Dominik Brodowski | de6405e | 2008-08-03 10:47:59 +0200 | [diff] [blame] | 80 | { -EINVAL, "Bad parameter" }, |
Dominik Brodowski | 943f70f | 2008-08-03 11:23:42 +0200 | [diff] [blame] | 81 | { -EACCES, "Configuration locked" }, |
Dominik Brodowski | 610e237 | 2008-08-03 11:58:53 +0200 | [diff] [blame] | 82 | { -EBUSY, "Resource in use" }, |
Dominik Brodowski | 635d19b | 2008-08-03 11:47:29 +0200 | [diff] [blame] | 83 | { -ENOSPC, "No more items" }, |
Dominik Brodowski | 610e237 | 2008-08-03 11:58:53 +0200 | [diff] [blame] | 84 | { -ENOMEM, "Out of resource" }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | { CS_BAD_TUPLE, "Bad CIS tuple" } |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | static const lookup_t service_table[] = { |
| 90 | { AccessConfigurationRegister, "AccessConfigurationRegister" }, |
| 91 | { AddSocketServices, "AddSocketServices" }, |
| 92 | { AdjustResourceInfo, "AdjustResourceInfo" }, |
| 93 | { CheckEraseQueue, "CheckEraseQueue" }, |
| 94 | { CloseMemory, "CloseMemory" }, |
| 95 | { DeregisterClient, "DeregisterClient" }, |
| 96 | { DeregisterEraseQueue, "DeregisterEraseQueue" }, |
| 97 | { GetCardServicesInfo, "GetCardServicesInfo" }, |
| 98 | { GetClientInfo, "GetClientInfo" }, |
| 99 | { GetConfigurationInfo, "GetConfigurationInfo" }, |
| 100 | { GetEventMask, "GetEventMask" }, |
| 101 | { GetFirstClient, "GetFirstClient" }, |
| 102 | { GetFirstRegion, "GetFirstRegion" }, |
| 103 | { GetFirstTuple, "GetFirstTuple" }, |
| 104 | { GetNextClient, "GetNextClient" }, |
| 105 | { GetNextRegion, "GetNextRegion" }, |
| 106 | { GetNextTuple, "GetNextTuple" }, |
| 107 | { GetStatus, "GetStatus" }, |
| 108 | { GetTupleData, "GetTupleData" }, |
| 109 | { MapMemPage, "MapMemPage" }, |
| 110 | { ModifyConfiguration, "ModifyConfiguration" }, |
| 111 | { ModifyWindow, "ModifyWindow" }, |
| 112 | { OpenMemory, "OpenMemory" }, |
| 113 | { ParseTuple, "ParseTuple" }, |
| 114 | { ReadMemory, "ReadMemory" }, |
| 115 | { RegisterClient, "RegisterClient" }, |
| 116 | { RegisterEraseQueue, "RegisterEraseQueue" }, |
| 117 | { RegisterMTD, "RegisterMTD" }, |
| 118 | { ReleaseConfiguration, "ReleaseConfiguration" }, |
| 119 | { ReleaseIO, "ReleaseIO" }, |
| 120 | { ReleaseIRQ, "ReleaseIRQ" }, |
| 121 | { ReleaseWindow, "ReleaseWindow" }, |
| 122 | { RequestConfiguration, "RequestConfiguration" }, |
| 123 | { RequestIO, "RequestIO" }, |
| 124 | { RequestIRQ, "RequestIRQ" }, |
| 125 | { RequestSocketMask, "RequestSocketMask" }, |
| 126 | { RequestWindow, "RequestWindow" }, |
| 127 | { ResetCard, "ResetCard" }, |
| 128 | { SetEventMask, "SetEventMask" }, |
| 129 | { ValidateCIS, "ValidateCIS" }, |
| 130 | { WriteMemory, "WriteMemory" }, |
| 131 | { BindDevice, "BindDevice" }, |
| 132 | { BindMTD, "BindMTD" }, |
| 133 | { ReportError, "ReportError" }, |
| 134 | { SuspendCard, "SuspendCard" }, |
| 135 | { ResumeCard, "ResumeCard" }, |
| 136 | { EjectCard, "EjectCard" }, |
| 137 | { InsertCard, "InsertCard" }, |
| 138 | { ReplaceCIS, "ReplaceCIS" } |
| 139 | }; |
| 140 | |
| 141 | |
Dominik Brodowski | 2bc5a9b | 2005-07-07 17:59:02 -0700 | [diff] [blame] | 142 | static int pcmcia_report_error(struct pcmcia_device *p_dev, error_info_t *err) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | { |
| 144 | int i; |
| 145 | char *serv; |
| 146 | |
Dominik Brodowski | 2bc5a9b | 2005-07-07 17:59:02 -0700 | [diff] [blame] | 147 | if (!p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | printk(KERN_NOTICE); |
Dominik Brodowski | 2bc5a9b | 2005-07-07 17:59:02 -0700 | [diff] [blame] | 149 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | printk(KERN_NOTICE "%s: ", p_dev->dev.bus_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
| 152 | for (i = 0; i < ARRAY_SIZE(service_table); i++) |
| 153 | if (service_table[i].key == err->func) |
| 154 | break; |
| 155 | if (i < ARRAY_SIZE(service_table)) |
| 156 | serv = service_table[i].msg; |
| 157 | else |
| 158 | serv = "Unknown service number"; |
| 159 | |
| 160 | for (i = 0; i < ARRAY_SIZE(error_table); i++) |
| 161 | if (error_table[i].key == err->retcode) |
| 162 | break; |
| 163 | if (i < ARRAY_SIZE(error_table)) |
| 164 | printk("%s: %s\n", serv, error_table[i].msg); |
| 165 | else |
| 166 | printk("%s: Unknown error code %#x\n", serv, err->retcode); |
| 167 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 168 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | } /* report_error */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | |
| 171 | /* end of code which was in cs.c before */ |
| 172 | |
| 173 | /*======================================================================*/ |
| 174 | |
Dominik Brodowski | 2bc5a9b | 2005-07-07 17:59:02 -0700 | [diff] [blame] | 175 | void cs_error(struct pcmcia_device *p_dev, int func, int ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | { |
| 177 | error_info_t err = { func, ret }; |
Dominik Brodowski | 2bc5a9b | 2005-07-07 17:59:02 -0700 | [diff] [blame] | 178 | pcmcia_report_error(p_dev, &err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | } |
| 180 | EXPORT_SYMBOL(cs_error); |
| 181 | |
Dominik Brodowski | 23a83bf | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 182 | |
| 183 | static void pcmcia_check_driver(struct pcmcia_driver *p_drv) |
| 184 | { |
| 185 | struct pcmcia_device_id *did = p_drv->id_table; |
| 186 | unsigned int i; |
| 187 | u32 hash; |
| 188 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 189 | if (!p_drv->probe || !p_drv->remove) |
Pavel Roskin | ba5bb6b | 2005-07-28 01:07:20 -0700 | [diff] [blame] | 190 | printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback " |
| 191 | "function\n", p_drv->drv.name); |
Dominik Brodowski | 1e212f3 | 2005-07-07 17:59:00 -0700 | [diff] [blame] | 192 | |
Dominik Brodowski | 23a83bf | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 193 | while (did && did->match_flags) { |
| 194 | for (i=0; i<4; i++) { |
| 195 | if (!did->prod_id[i]) |
| 196 | continue; |
| 197 | |
| 198 | hash = crc32(0, did->prod_id[i], strlen(did->prod_id[i])); |
| 199 | if (hash == did->prod_id_hash[i]) |
| 200 | continue; |
| 201 | |
| 202 | printk(KERN_DEBUG "pcmcia: %s: invalid hash for " |
| 203 | "product string \"%s\": is 0x%x, should " |
| 204 | "be 0x%x\n", p_drv->drv.name, did->prod_id[i], |
| 205 | did->prod_id_hash[i], hash); |
Dominik Brodowski | 5085cb2 | 2005-06-27 16:28:45 -0700 | [diff] [blame] | 206 | printk(KERN_DEBUG "pcmcia: see " |
| 207 | "Documentation/pcmcia/devicetable.txt for " |
| 208 | "details\n"); |
Dominik Brodowski | 23a83bf | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 209 | } |
| 210 | did++; |
| 211 | } |
| 212 | |
| 213 | return; |
| 214 | } |
| 215 | |
Dominik Brodowski | daa9517 | 2005-06-27 16:28:14 -0700 | [diff] [blame] | 216 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | /*======================================================================*/ |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 220 | struct pcmcia_dynid { |
| 221 | struct list_head node; |
| 222 | struct pcmcia_device_id id; |
| 223 | }; |
| 224 | |
| 225 | /** |
| 226 | * pcmcia_store_new_id - add a new PCMCIA device ID to this driver and re-probe devices |
| 227 | * @driver: target device driver |
| 228 | * @buf: buffer for scanning device ID data |
| 229 | * @count: input size |
| 230 | * |
| 231 | * Adds a new dynamic PCMCIA device ID to this driver, |
| 232 | * and causes the driver to probe for all devices again. |
| 233 | */ |
| 234 | static ssize_t |
| 235 | pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count) |
| 236 | { |
| 237 | struct pcmcia_dynid *dynid; |
| 238 | struct pcmcia_driver *pdrv = to_pcmcia_drv(driver); |
| 239 | __u16 match_flags, manf_id, card_id; |
| 240 | __u8 func_id, function, device_no; |
| 241 | __u32 prod_id_hash[4] = {0, 0, 0, 0}; |
| 242 | int fields=0; |
| 243 | int retval = 0; |
| 244 | |
| 245 | fields = sscanf(buf, "%hx %hx %hx %hhx %hhx %hhx %x %x %x %x", |
| 246 | &match_flags, &manf_id, &card_id, &func_id, &function, &device_no, |
| 247 | &prod_id_hash[0], &prod_id_hash[1], &prod_id_hash[2], &prod_id_hash[3]); |
| 248 | if (fields < 6) |
| 249 | return -EINVAL; |
| 250 | |
| 251 | dynid = kzalloc(sizeof(struct pcmcia_dynid), GFP_KERNEL); |
| 252 | if (!dynid) |
| 253 | return -ENOMEM; |
| 254 | |
| 255 | INIT_LIST_HEAD(&dynid->node); |
| 256 | dynid->id.match_flags = match_flags; |
| 257 | dynid->id.manf_id = manf_id; |
| 258 | dynid->id.card_id = card_id; |
| 259 | dynid->id.func_id = func_id; |
| 260 | dynid->id.function = function; |
| 261 | dynid->id.device_no = device_no; |
| 262 | memcpy(dynid->id.prod_id_hash, prod_id_hash, sizeof(__u32) * 4); |
| 263 | |
| 264 | spin_lock(&pdrv->dynids.lock); |
| 265 | list_add_tail(&pdrv->dynids.list, &dynid->node); |
| 266 | spin_unlock(&pdrv->dynids.lock); |
| 267 | |
| 268 | if (get_driver(&pdrv->drv)) { |
| 269 | retval = driver_attach(&pdrv->drv); |
| 270 | put_driver(&pdrv->drv); |
| 271 | } |
| 272 | |
| 273 | if (retval) |
| 274 | return retval; |
| 275 | return count; |
| 276 | } |
| 277 | static DRIVER_ATTR(new_id, S_IWUSR, NULL, pcmcia_store_new_id); |
| 278 | |
| 279 | static void |
| 280 | pcmcia_free_dynids(struct pcmcia_driver *drv) |
| 281 | { |
| 282 | struct pcmcia_dynid *dynid, *n; |
| 283 | |
| 284 | spin_lock(&drv->dynids.lock); |
| 285 | list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) { |
| 286 | list_del(&dynid->node); |
| 287 | kfree(dynid); |
| 288 | } |
| 289 | spin_unlock(&drv->dynids.lock); |
| 290 | } |
| 291 | |
| 292 | static int |
| 293 | pcmcia_create_newid_file(struct pcmcia_driver *drv) |
| 294 | { |
| 295 | int error = 0; |
| 296 | if (drv->probe != NULL) |
Greg Kroah-Hartman | 2344c6d | 2007-11-28 12:23:18 -0800 | [diff] [blame] | 297 | error = driver_create_file(&drv->drv, &driver_attr_new_id); |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 298 | return error; |
| 299 | } |
| 300 | |
| 301 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | /** |
| 303 | * pcmcia_register_driver - register a PCMCIA driver with the bus core |
Randy Dunlap | 7818786 | 2007-12-10 15:49:22 -0800 | [diff] [blame] | 304 | * @driver: the &driver being registered |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | * |
| 306 | * Registers a PCMCIA driver with the PCMCIA bus core. |
| 307 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | int pcmcia_register_driver(struct pcmcia_driver *driver) |
| 309 | { |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 310 | int error; |
| 311 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | if (!driver) |
| 313 | return -EINVAL; |
| 314 | |
Dominik Brodowski | 23a83bf | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 315 | pcmcia_check_driver(driver); |
| 316 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | /* initialize common fields */ |
| 318 | driver->drv.bus = &pcmcia_bus_type; |
| 319 | driver->drv.owner = driver->owner; |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 320 | spin_lock_init(&driver->dynids.lock); |
| 321 | INIT_LIST_HEAD(&driver->dynids.list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 323 | ds_dbg(3, "registering driver %s\n", driver->drv.name); |
| 324 | |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 325 | error = driver_register(&driver->drv); |
| 326 | if (error < 0) |
| 327 | return error; |
| 328 | |
| 329 | error = pcmcia_create_newid_file(driver); |
| 330 | if (error) |
| 331 | driver_unregister(&driver->drv); |
| 332 | |
| 333 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | } |
| 335 | EXPORT_SYMBOL(pcmcia_register_driver); |
| 336 | |
| 337 | /** |
| 338 | * pcmcia_unregister_driver - unregister a PCMCIA driver with the bus core |
Randy Dunlap | 7818786 | 2007-12-10 15:49:22 -0800 | [diff] [blame] | 339 | * @driver: the &driver being unregistered |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | */ |
| 341 | void pcmcia_unregister_driver(struct pcmcia_driver *driver) |
| 342 | { |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 343 | ds_dbg(3, "unregistering driver %s\n", driver->drv.name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | driver_unregister(&driver->drv); |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 345 | pcmcia_free_dynids(driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | } |
| 347 | EXPORT_SYMBOL(pcmcia_unregister_driver); |
| 348 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | |
| 350 | /* pcmcia_device handling */ |
| 351 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 352 | struct pcmcia_device * pcmcia_get_dev(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | { |
| 354 | struct device *tmp_dev; |
| 355 | tmp_dev = get_device(&p_dev->dev); |
| 356 | if (!tmp_dev) |
| 357 | return NULL; |
| 358 | return to_pcmcia_dev(tmp_dev); |
| 359 | } |
| 360 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 361 | void pcmcia_put_dev(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | { |
| 363 | if (p_dev) |
| 364 | put_device(&p_dev->dev); |
| 365 | } |
| 366 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 367 | static void pcmcia_release_function(struct kref *ref) |
| 368 | { |
| 369 | struct config_t *c = container_of(ref, struct config_t, ref); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 370 | ds_dbg(1, "releasing config_t\n"); |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 371 | kfree(c); |
| 372 | } |
| 373 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | static void pcmcia_release_dev(struct device *dev) |
| 375 | { |
| 376 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 377 | ds_dev_dbg(1, dev, "releasing device\n"); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 378 | pcmcia_put_socket(p_dev->socket); |
Brice Goglin | bd65a68 | 2005-09-09 13:03:29 -0700 | [diff] [blame] | 379 | kfree(p_dev->devname); |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 380 | kref_put(&p_dev->function_config->ref, pcmcia_release_function); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | kfree(p_dev); |
| 382 | } |
| 383 | |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 384 | static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc) |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 385 | { |
| 386 | if (!s->pcmcia_state.device_add_pending) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 387 | ds_dev_dbg(1, &s->dev, "scheduling to add %s secondary" |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 388 | " device to %d\n", mfc ? "mfc" : "pfc", s->sock); |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 389 | s->pcmcia_state.device_add_pending = 1; |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 390 | s->pcmcia_state.mfc_pfc = mfc; |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 391 | schedule_work(&s->device_add); |
| 392 | } |
| 393 | return; |
| 394 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
| 396 | static int pcmcia_device_probe(struct device * dev) |
| 397 | { |
| 398 | struct pcmcia_device *p_dev; |
| 399 | struct pcmcia_driver *p_drv; |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 400 | struct pcmcia_device_id *did; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 401 | struct pcmcia_socket *s; |
Dominik Brodowski | af2b3b5 | 2006-10-25 21:49:27 -0400 | [diff] [blame] | 402 | cistpl_config_t cis_config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | int ret = 0; |
| 404 | |
| 405 | dev = get_device(dev); |
| 406 | if (!dev) |
| 407 | return -ENODEV; |
| 408 | |
| 409 | p_dev = to_pcmcia_dev(dev); |
| 410 | p_drv = to_pcmcia_drv(dev->driver); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 411 | s = p_dev->socket; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 413 | ds_dev_dbg(1, dev, "trying to bind to %s\n", p_drv->drv.name); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 414 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 415 | if ((!p_drv->probe) || (!p_dev->function_config) || |
| 416 | (!try_module_get(p_drv->owner))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | ret = -EINVAL; |
| 418 | goto put_dev; |
| 419 | } |
| 420 | |
Dominik Brodowski | af2b3b5 | 2006-10-25 21:49:27 -0400 | [diff] [blame] | 421 | /* set up some more device information */ |
| 422 | ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG, |
| 423 | &cis_config); |
| 424 | if (!ret) { |
| 425 | p_dev->conf.ConfigBase = cis_config.base; |
| 426 | p_dev->conf.Present = cis_config.rmask[0]; |
| 427 | } else { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 428 | dev_printk(KERN_INFO, dev, |
| 429 | "pcmcia: could not parse base and rmask0 of CIS\n"); |
Dominik Brodowski | af2b3b5 | 2006-10-25 21:49:27 -0400 | [diff] [blame] | 430 | p_dev->conf.ConfigBase = 0; |
| 431 | p_dev->conf.Present = 0; |
| 432 | } |
| 433 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 434 | ret = p_drv->probe(p_dev); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 435 | if (ret) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 436 | ds_dev_dbg(1, dev, "binding to %s failed with %d\n", |
| 437 | p_drv->drv.name, ret); |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 438 | goto put_module; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 439 | } |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 440 | |
| 441 | /* handle pseudo multifunction devices: |
| 442 | * there are at most two pseudo multifunction devices. |
| 443 | * if we're matching against the first, schedule a |
| 444 | * call which will then check whether there are two |
| 445 | * pseudo devices, and if not, add the second one. |
| 446 | */ |
Andrew Morton | 80a55e9 | 2006-04-10 23:24:57 -0700 | [diff] [blame] | 447 | did = p_dev->dev.driver_data; |
Hugh Dickins | 4ceadbf | 2006-03-10 21:13:44 +0000 | [diff] [blame] | 448 | if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && |
Dominik Brodowski | 82d56e6 | 2006-01-27 19:15:02 +0100 | [diff] [blame] | 449 | (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 450 | pcmcia_add_device_later(p_dev->socket, 0); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 451 | |
| 452 | put_module: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | if (ret) |
| 454 | module_put(p_drv->owner); |
| 455 | put_dev: |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 456 | if (ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | put_device(dev); |
| 458 | return (ret); |
| 459 | } |
| 460 | |
| 461 | |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 462 | /* |
| 463 | * Removes a PCMCIA card from the device tree and socket list. |
| 464 | */ |
| 465 | static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *leftover) |
| 466 | { |
| 467 | struct pcmcia_device *p_dev; |
| 468 | struct pcmcia_device *tmp; |
| 469 | unsigned long flags; |
| 470 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 471 | ds_dev_dbg(2, leftover ? &leftover->dev : &s->dev, |
| 472 | "pcmcia_card_remove(%d) %s\n", s->sock, |
| 473 | leftover ? leftover->devname : ""); |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 474 | |
| 475 | if (!leftover) |
| 476 | s->device_count = 0; |
| 477 | else |
| 478 | s->device_count = 1; |
| 479 | |
| 480 | /* unregister all pcmcia_devices registered with this socket, except leftover */ |
| 481 | list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) { |
| 482 | if (p_dev == leftover) |
| 483 | continue; |
| 484 | |
| 485 | spin_lock_irqsave(&pcmcia_dev_list_lock, flags); |
| 486 | list_del(&p_dev->socket_device_list); |
| 487 | p_dev->_removed=1; |
| 488 | spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); |
| 489 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 490 | ds_dev_dbg(2, &p_dev->dev, "unregistering device\n"); |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 491 | device_unregister(&p_dev->dev); |
| 492 | } |
| 493 | |
| 494 | return; |
| 495 | } |
| 496 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | static int pcmcia_device_remove(struct device * dev) |
| 498 | { |
| 499 | struct pcmcia_device *p_dev; |
| 500 | struct pcmcia_driver *p_drv; |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 501 | struct pcmcia_device_id *did; |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 502 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | p_dev = to_pcmcia_dev(dev); |
| 505 | p_drv = to_pcmcia_drv(dev->driver); |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 506 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 507 | ds_dev_dbg(1, dev, "removing device\n"); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 508 | |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 509 | /* If we're removing the primary module driving a |
| 510 | * pseudo multi-function card, we need to unbind |
| 511 | * all devices |
| 512 | */ |
Andrew Morton | 80a55e9 | 2006-04-10 23:24:57 -0700 | [diff] [blame] | 513 | did = p_dev->dev.driver_data; |
Hugh Dickins | b2f51a1 | 2006-03-10 21:15:19 +0000 | [diff] [blame] | 514 | if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 515 | (p_dev->socket->device_count != 0) && |
| 516 | (p_dev->device_no == 0)) |
| 517 | pcmcia_card_remove(p_dev->socket, p_dev); |
| 518 | |
| 519 | /* detach the "instance" */ |
Dominik Brodowski | f399071 | 2005-11-14 21:25:23 +0100 | [diff] [blame] | 520 | if (!p_drv) |
| 521 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | |
Dominik Brodowski | f399071 | 2005-11-14 21:25:23 +0100 | [diff] [blame] | 523 | if (p_drv->remove) |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 524 | p_drv->remove(p_dev); |
| 525 | |
Dominik Brodowski | a0aab14 | 2006-04-04 11:09:26 +0200 | [diff] [blame] | 526 | p_dev->dev_node = NULL; |
| 527 | |
Dominik Brodowski | f399071 | 2005-11-14 21:25:23 +0100 | [diff] [blame] | 528 | /* check for proper unloading */ |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 529 | if (p_dev->_irq || p_dev->_io || p_dev->_locked) |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 530 | dev_printk(KERN_INFO, dev, |
| 531 | "pcmcia: driver %s did not release config properly\n", |
| 532 | p_drv->drv.name); |
Dominik Brodowski | f399071 | 2005-11-14 21:25:23 +0100 | [diff] [blame] | 533 | |
| 534 | for (i = 0; i < MAX_WIN; i++) |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 535 | if (p_dev->_win & CLIENT_WIN_REQ(i)) |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 536 | dev_printk(KERN_INFO, dev, |
| 537 | "pcmcia: driver %s did not release window properly\n", |
| 538 | p_drv->drv.name); |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 539 | |
Dominik Brodowski | f399071 | 2005-11-14 21:25:23 +0100 | [diff] [blame] | 540 | /* references from pcmcia_probe_device */ |
| 541 | pcmcia_put_dev(p_dev); |
| 542 | module_put(p_drv->owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 548 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | * pcmcia_device_query -- determine information about a pcmcia device |
| 550 | */ |
| 551 | static int pcmcia_device_query(struct pcmcia_device *p_dev) |
| 552 | { |
| 553 | cistpl_manfid_t manf_id; |
| 554 | cistpl_funcid_t func_id; |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 555 | cistpl_vers_1_t *vers1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | unsigned int i; |
| 557 | |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 558 | vers1 = kmalloc(sizeof(*vers1), GFP_KERNEL); |
| 559 | if (!vers1) |
| 560 | return -ENOMEM; |
| 561 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | if (!pccard_read_tuple(p_dev->socket, p_dev->func, |
| 563 | CISTPL_MANFID, &manf_id)) { |
| 564 | p_dev->manf_id = manf_id.manf; |
| 565 | p_dev->card_id = manf_id.card; |
| 566 | p_dev->has_manf_id = 1; |
| 567 | p_dev->has_card_id = 1; |
| 568 | } |
| 569 | |
| 570 | if (!pccard_read_tuple(p_dev->socket, p_dev->func, |
| 571 | CISTPL_FUNCID, &func_id)) { |
| 572 | p_dev->func_id = func_id.func; |
| 573 | p_dev->has_func_id = 1; |
| 574 | } else { |
| 575 | /* rule of thumb: cards with no FUNCID, but with |
| 576 | * common memory device geometry information, are |
| 577 | * probably memory cards (from pcmcia-cs) */ |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 578 | cistpl_device_geo_t *devgeo; |
| 579 | |
| 580 | devgeo = kmalloc(sizeof(*devgeo), GFP_KERNEL); |
| 581 | if (!devgeo) { |
| 582 | kfree(vers1); |
| 583 | return -ENOMEM; |
| 584 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | if (!pccard_read_tuple(p_dev->socket, p_dev->func, |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 586 | CISTPL_DEVICE_GEO, devgeo)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 587 | ds_dev_dbg(0, &p_dev->dev, |
| 588 | "mem device geometry probably means " |
| 589 | "FUNCID_MEMORY\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | p_dev->func_id = CISTPL_FUNCID_MEMORY; |
| 591 | p_dev->has_func_id = 1; |
| 592 | } |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 593 | kfree(devgeo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | } |
| 595 | |
| 596 | if (!pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_VERS_1, |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 597 | vers1)) { |
| 598 | for (i=0; i < vers1->ns; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | char *tmp; |
| 600 | unsigned int length; |
| 601 | |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 602 | tmp = vers1->str + vers1->ofs[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | |
| 604 | length = strlen(tmp) + 1; |
Janos Farkas | 6e3d4f2 | 2006-03-31 01:04:57 +0200 | [diff] [blame] | 605 | if ((length < 2) || (length > 255)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | continue; |
| 607 | |
| 608 | p_dev->prod_id[i] = kmalloc(sizeof(char) * length, |
| 609 | GFP_KERNEL); |
| 610 | if (!p_dev->prod_id[i]) |
| 611 | continue; |
| 612 | |
| 613 | p_dev->prod_id[i] = strncpy(p_dev->prod_id[i], |
| 614 | tmp, length); |
| 615 | } |
| 616 | } |
| 617 | |
Ingo Molnar | 76fa82f | 2005-09-09 13:03:21 -0700 | [diff] [blame] | 618 | kfree(vers1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | |
| 623 | /* device_add_lock is needed to avoid double registration by cardmgr and kernel. |
| 624 | * Serializes pcmcia_device_add; will most likely be removed in future. |
| 625 | * |
| 626 | * While it has the caveat that adding new PCMCIA devices inside(!) device_register() |
| 627 | * won't work, this doesn't matter much at the moment: the driver core doesn't |
| 628 | * support it either. |
| 629 | */ |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 630 | static DEFINE_MUTEX(device_add_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 632 | struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | { |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 634 | struct pcmcia_device *p_dev, *tmp_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | unsigned long flags; |
Brice Goglin | bd65a68 | 2005-09-09 13:03:29 -0700 | [diff] [blame] | 636 | int bus_id_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 638 | s = pcmcia_get_socket(s); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | if (!s) |
| 640 | return NULL; |
| 641 | |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 642 | mutex_lock(&device_add_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 644 | ds_dbg(3, "adding device to %d, function %d\n", s->sock, function); |
| 645 | |
Dominik Brodowski | 6cf5be5 | 2006-11-27 21:03:48 -0500 | [diff] [blame] | 646 | /* max of 4 devices per card */ |
| 647 | if (s->device_count == 4) |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 648 | goto err_put; |
| 649 | |
Dominik Brodowski | 8084b37 | 2005-12-11 21:18:26 +0100 | [diff] [blame] | 650 | p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | if (!p_dev) |
| 652 | goto err_put; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 654 | p_dev->socket = s; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | p_dev->device_no = (s->device_count++); |
| 656 | p_dev->func = function; |
| 657 | |
| 658 | p_dev->dev.bus = &pcmcia_bus_type; |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 659 | p_dev->dev.parent = s->dev.parent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | p_dev->dev.release = pcmcia_release_dev; |
James Bottomley | 43d9f7f | 2007-10-16 01:23:58 -0700 | [diff] [blame] | 661 | /* by default don't allow DMA */ |
| 662 | p_dev->dma_mask = DMA_MASK_NONE; |
| 663 | p_dev->dev.dma_mask = &p_dev->dma_mask; |
Brice Goglin | bd65a68 | 2005-09-09 13:03:29 -0700 | [diff] [blame] | 664 | bus_id_len = sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no); |
| 665 | |
| 666 | p_dev->devname = kmalloc(6 + bus_id_len + 1, GFP_KERNEL); |
| 667 | if (!p_dev->devname) |
| 668 | goto err_free; |
| 669 | sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id); |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 670 | ds_dev_dbg(3, &p_dev->dev, "devname is %s\n", p_dev->devname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | spin_lock_irqsave(&pcmcia_dev_list_lock, flags); |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 673 | |
| 674 | /* |
| 675 | * p_dev->function_config must be the same for all card functions. |
| 676 | * Note that this is serialized by the device_add_lock, so that |
| 677 | * only one such struct will be created. |
| 678 | */ |
| 679 | list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list) |
| 680 | if (p_dev->func == tmp_dev->func) { |
| 681 | p_dev->function_config = tmp_dev->function_config; |
| 682 | kref_get(&p_dev->function_config->ref); |
| 683 | } |
| 684 | |
| 685 | /* Add to the list in pcmcia_bus_socket */ |
Komuro | 6171b88 | 2006-04-02 17:39:27 +0900 | [diff] [blame] | 686 | list_add(&p_dev->socket_device_list, &s->devices_list); |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 687 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); |
| 689 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 690 | if (!p_dev->function_config) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 691 | ds_dev_dbg(3, &p_dev->dev, "creating config_t\n"); |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 692 | p_dev->function_config = kzalloc(sizeof(struct config_t), |
| 693 | GFP_KERNEL); |
| 694 | if (!p_dev->function_config) |
| 695 | goto err_unreg; |
| 696 | kref_init(&p_dev->function_config->ref); |
| 697 | } |
| 698 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 699 | dev_printk(KERN_NOTICE, &p_dev->dev, |
| 700 | "pcmcia: registering new device %s\n", |
| 701 | p_dev->devname); |
Dominik Brodowski | 807277c | 2005-11-12 23:34:06 +0100 | [diff] [blame] | 702 | |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 703 | pcmcia_device_query(p_dev); |
| 704 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 705 | if (device_register(&p_dev->dev)) |
| 706 | goto err_unreg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 708 | mutex_unlock(&device_add_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | |
| 710 | return p_dev; |
| 711 | |
Dominik Brodowski | 360b65b | 2006-01-10 20:50:39 +0100 | [diff] [blame] | 712 | err_unreg: |
| 713 | spin_lock_irqsave(&pcmcia_dev_list_lock, flags); |
| 714 | list_del(&p_dev->socket_device_list); |
| 715 | spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); |
| 716 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 717 | err_free: |
Brice Goglin | bd65a68 | 2005-09-09 13:03:29 -0700 | [diff] [blame] | 718 | kfree(p_dev->devname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | kfree(p_dev); |
| 720 | s->device_count--; |
| 721 | err_put: |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 722 | mutex_unlock(&device_add_lock); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 723 | pcmcia_put_socket(s); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | |
| 725 | return NULL; |
| 726 | } |
| 727 | |
| 728 | |
| 729 | static int pcmcia_card_add(struct pcmcia_socket *s) |
| 730 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | cistpl_longlink_mfc_t mfc; |
Dominik Brodowski | c5081d5 | 2008-06-19 20:12:34 +0200 | [diff] [blame] | 732 | unsigned int no_funcs, i, no_chains; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | int ret = 0; |
| 734 | |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 735 | if (!(s->resource_setup_done)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 736 | ds_dev_dbg(3, &s->dev, |
| 737 | "no resources available, delaying card_add\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | return -EAGAIN; /* try again, but later... */ |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 739 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 741 | if (pcmcia_validate_mem(s)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 742 | ds_dev_dbg(3, &s->dev, "validating mem resources failed, " |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 743 | "delaying card_add\n"); |
Dominik Brodowski | de75914 | 2005-09-28 19:41:56 +0200 | [diff] [blame] | 744 | return -EAGAIN; /* try again, but later... */ |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 745 | } |
Dominik Brodowski | de75914 | 2005-09-28 19:41:56 +0200 | [diff] [blame] | 746 | |
Dominik Brodowski | c5081d5 | 2008-06-19 20:12:34 +0200 | [diff] [blame] | 747 | ret = pccard_validate_cis(s, BIND_FN_ALL, &no_chains); |
| 748 | if (ret || !no_chains) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 749 | ds_dev_dbg(0, &s->dev, "invalid CIS or invalid resources\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | return -ENODEV; |
| 751 | } |
| 752 | |
| 753 | if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc)) |
| 754 | no_funcs = mfc.nfn; |
| 755 | else |
| 756 | no_funcs = 1; |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 757 | s->functions = no_funcs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | for (i=0; i < no_funcs; i++) |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 760 | pcmcia_device_add(s, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | |
| 762 | return (ret); |
| 763 | } |
| 764 | |
| 765 | |
David Howells | 4796b71 | 2006-12-06 15:01:18 +0000 | [diff] [blame] | 766 | static void pcmcia_delayed_add_device(struct work_struct *work) |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 767 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 768 | struct pcmcia_socket *s = |
| 769 | container_of(work, struct pcmcia_socket, device_add); |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 770 | ds_dev_dbg(1, &s->dev, "adding additional device to %d\n", s->sock); |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 771 | pcmcia_device_add(s, s->pcmcia_state.mfc_pfc); |
Dominik Brodowski | b5e4391 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 772 | s->pcmcia_state.device_add_pending = 0; |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 773 | s->pcmcia_state.mfc_pfc = 0; |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 774 | } |
| 775 | |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 776 | static int pcmcia_requery(struct device *dev, void * _data) |
Dominik Brodowski | ff1fa9e | 2005-06-27 16:28:09 -0700 | [diff] [blame] | 777 | { |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 778 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 779 | if (!p_dev->dev.driver) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 780 | ds_dev_dbg(1, dev, "update device information\n"); |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 781 | pcmcia_device_query(p_dev); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 782 | } |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 783 | |
| 784 | return 0; |
| 785 | } |
| 786 | |
Dominik Brodowski | 4ae1cbf | 2006-11-03 10:54:00 -0500 | [diff] [blame] | 787 | static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis) |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 788 | { |
Dominik Brodowski | 4ae1cbf | 2006-11-03 10:54:00 -0500 | [diff] [blame] | 789 | int no_devices = 0; |
Dominik Brodowski | f901b8c | 2006-10-25 19:56:55 -0400 | [diff] [blame] | 790 | int ret = 0; |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 791 | unsigned long flags; |
| 792 | |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 793 | /* must be called with skt_mutex held */ |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 794 | ds_dev_dbg(0, &skt->dev, "re-scanning socket %d\n", skt->sock); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 795 | |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 796 | spin_lock_irqsave(&pcmcia_dev_list_lock, flags); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 797 | if (list_empty(&skt->devices_list)) |
Dominik Brodowski | 4ae1cbf | 2006-11-03 10:54:00 -0500 | [diff] [blame] | 798 | no_devices = 1; |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 799 | spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); |
| 800 | |
Dominik Brodowski | 4ae1cbf | 2006-11-03 10:54:00 -0500 | [diff] [blame] | 801 | /* If this is because of a CIS override, start over */ |
| 802 | if (new_cis && !no_devices) |
| 803 | pcmcia_card_remove(skt, NULL); |
| 804 | |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 805 | /* if no devices were added for this socket yet because of |
| 806 | * missing resource information or other trouble, we need to |
| 807 | * do this now. */ |
Dominik Brodowski | 4ae1cbf | 2006-11-03 10:54:00 -0500 | [diff] [blame] | 808 | if (no_devices || new_cis) { |
Dominik Brodowski | f901b8c | 2006-10-25 19:56:55 -0400 | [diff] [blame] | 809 | ret = pcmcia_card_add(skt); |
Dominik Brodowski | e2f0b53 | 2005-06-27 16:28:17 -0700 | [diff] [blame] | 810 | if (ret) |
| 811 | return; |
| 812 | } |
| 813 | |
| 814 | /* some device information might have changed because of a CIS |
| 815 | * update or because we can finally read it correctly... so |
| 816 | * determine it again, overwriting old values if necessary. */ |
| 817 | bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery); |
| 818 | |
| 819 | /* we re-scan all devices, not just the ones connected to this |
| 820 | * socket. This does not matter, though. */ |
Dominik Brodowski | f901b8c | 2006-10-25 19:56:55 -0400 | [diff] [blame] | 821 | ret = bus_rescan_devices(&pcmcia_bus_type); |
| 822 | if (ret) |
| 823 | printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n"); |
Dominik Brodowski | ff1fa9e | 2005-06-27 16:28:09 -0700 | [diff] [blame] | 824 | } |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 825 | |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 826 | #ifdef CONFIG_PCMCIA_LOAD_CIS |
| 827 | |
| 828 | /** |
| 829 | * pcmcia_load_firmware - load CIS from userspace if device-provided is broken |
Randy Dunlap | 7818786 | 2007-12-10 15:49:22 -0800 | [diff] [blame] | 830 | * @dev: the pcmcia device which needs a CIS override |
| 831 | * @filename: requested filename in /lib/firmware/ |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 832 | * |
| 833 | * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if |
| 834 | * the one provided by the card is broken. The firmware files reside in |
| 835 | * /lib/firmware/ in userspace. |
| 836 | */ |
| 837 | static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) |
| 838 | { |
| 839 | struct pcmcia_socket *s = dev->socket; |
| 840 | const struct firmware *fw; |
Dominik Brodowski | feda4f2 | 2008-06-24 15:45:55 +0200 | [diff] [blame] | 841 | char path[FIRMWARE_NAME_MAX]; |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 842 | int ret = -ENOMEM; |
| 843 | int no_funcs; |
| 844 | int old_funcs; |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 845 | cistpl_longlink_mfc_t mfc; |
| 846 | |
| 847 | if (!filename) |
| 848 | return -EINVAL; |
| 849 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 850 | ds_dev_dbg(1, &dev->dev, "trying to load CIS file %s\n", filename); |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 851 | |
Dominik Brodowski | feda4f2 | 2008-06-24 15:45:55 +0200 | [diff] [blame] | 852 | if (strlen(filename) > (FIRMWARE_NAME_MAX - 1)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 853 | dev_printk(KERN_WARNING, &dev->dev, |
| 854 | "pcmcia: CIS filename is too long [%s]\n", |
| 855 | filename); |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 856 | return -EINVAL; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 857 | } |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 858 | |
Randy Dunlap | 52debb0 | 2008-02-04 22:27:38 -0800 | [diff] [blame] | 859 | snprintf(path, sizeof(path), "%s", filename); |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 860 | |
| 861 | if (request_firmware(&fw, path, &dev->dev) == 0) { |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 862 | if (fw->size >= CISTPL_MAX_CIS_SIZE) { |
| 863 | ret = -EINVAL; |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 864 | dev_printk(KERN_ERR, &dev->dev, |
| 865 | "pcmcia: CIS override is too big\n"); |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 866 | goto release; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 867 | } |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 868 | |
Dominik Brodowski | 53efec9 | 2008-07-28 19:44:05 +0200 | [diff] [blame] | 869 | if (!pcmcia_replace_cis(s, fw->data, fw->size)) |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 870 | ret = 0; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 871 | else { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 872 | dev_printk(KERN_ERR, &dev->dev, |
| 873 | "pcmcia: CIS override failed\n"); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 874 | goto release; |
| 875 | } |
| 876 | |
Dominik Brodowski | 1d2c904 | 2006-11-06 21:52:16 -0500 | [diff] [blame] | 877 | |
| 878 | /* update information */ |
| 879 | pcmcia_device_query(dev); |
| 880 | |
| 881 | /* does this cis override add or remove functions? */ |
| 882 | old_funcs = s->functions; |
| 883 | |
| 884 | if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc)) |
| 885 | no_funcs = mfc.nfn; |
| 886 | else |
| 887 | no_funcs = 1; |
| 888 | s->functions = no_funcs; |
| 889 | |
| 890 | if (old_funcs > no_funcs) |
| 891 | pcmcia_card_remove(s, dev); |
| 892 | else if (no_funcs > old_funcs) |
| 893 | pcmcia_add_device_later(s, 1); |
| 894 | } |
| 895 | release: |
| 896 | release_firmware(fw); |
| 897 | |
| 898 | return (ret); |
| 899 | } |
| 900 | |
| 901 | #else /* !CONFIG_PCMCIA_LOAD_CIS */ |
| 902 | |
| 903 | static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) |
| 904 | { |
| 905 | return -ENODEV; |
| 906 | } |
| 907 | |
| 908 | #endif |
| 909 | |
| 910 | |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 911 | static inline int pcmcia_devmatch(struct pcmcia_device *dev, |
| 912 | struct pcmcia_device_id *did) |
| 913 | { |
| 914 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID) { |
| 915 | if ((!dev->has_manf_id) || (dev->manf_id != did->manf_id)) |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID) { |
| 920 | if ((!dev->has_card_id) || (dev->card_id != did->card_id)) |
| 921 | return 0; |
| 922 | } |
| 923 | |
| 924 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION) { |
| 925 | if (dev->func != did->function) |
| 926 | return 0; |
| 927 | } |
| 928 | |
| 929 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1) { |
| 930 | if (!dev->prod_id[0]) |
| 931 | return 0; |
| 932 | if (strcmp(did->prod_id[0], dev->prod_id[0])) |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2) { |
| 937 | if (!dev->prod_id[1]) |
| 938 | return 0; |
| 939 | if (strcmp(did->prod_id[1], dev->prod_id[1])) |
| 940 | return 0; |
| 941 | } |
| 942 | |
| 943 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3) { |
| 944 | if (!dev->prod_id[2]) |
| 945 | return 0; |
| 946 | if (strcmp(did->prod_id[2], dev->prod_id[2])) |
| 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4) { |
| 951 | if (!dev->prod_id[3]) |
| 952 | return 0; |
| 953 | if (strcmp(did->prod_id[3], dev->prod_id[3])) |
| 954 | return 0; |
| 955 | } |
| 956 | |
| 957 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) { |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 958 | if (dev->device_no != did->device_no) |
| 959 | return 0; |
| 960 | } |
| 961 | |
| 962 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID) { |
| 963 | if ((!dev->has_func_id) || (dev->func_id != did->func_id)) |
| 964 | return 0; |
| 965 | |
| 966 | /* if this is a pseudo-multi-function device, |
| 967 | * we need explicit matches */ |
| 968 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) |
| 969 | return 0; |
| 970 | if (dev->device_no) |
| 971 | return 0; |
| 972 | |
| 973 | /* also, FUNC_ID matching needs to be activated by userspace |
| 974 | * after it has re-checked that there is no possible module |
| 975 | * with a prod_id/manf_id/card_id match. |
| 976 | */ |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 977 | ds_dev_dbg(0, &dev->dev, |
| 978 | "skipping FUNC_ID match until userspace interaction\n"); |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 979 | if (!dev->allow_func_id_match) |
| 980 | return 0; |
| 981 | } |
| 982 | |
Dominik Brodowski | ea7b388 | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 983 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 984 | ds_dev_dbg(0, &dev->dev, "device needs a fake CIS\n"); |
Dominik Brodowski | daa9517 | 2005-06-27 16:28:14 -0700 | [diff] [blame] | 985 | if (!dev->socket->fake_cis) |
| 986 | pcmcia_load_firmware(dev, did->cisfile); |
| 987 | |
| 988 | if (!dev->socket->fake_cis) |
Dominik Brodowski | ea7b388 | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 989 | return 0; |
Dominik Brodowski | ea7b388 | 2005-06-27 16:28:07 -0700 | [diff] [blame] | 990 | } |
| 991 | |
Dominik Brodowski | f602ff7 | 2005-06-27 16:28:09 -0700 | [diff] [blame] | 992 | if (did->match_flags & PCMCIA_DEV_ID_MATCH_ANONYMOUS) { |
| 993 | int i; |
| 994 | for (i=0; i<4; i++) |
| 995 | if (dev->prod_id[i]) |
| 996 | return 0; |
| 997 | if (dev->has_manf_id || dev->has_card_id || dev->has_func_id) |
| 998 | return 0; |
| 999 | } |
| 1000 | |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 1001 | dev->dev.driver_data = (void *) did; |
| 1002 | |
| 1003 | return 1; |
| 1004 | } |
| 1005 | |
| 1006 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) { |
| 1008 | struct pcmcia_device * p_dev = to_pcmcia_dev(dev); |
| 1009 | struct pcmcia_driver * p_drv = to_pcmcia_drv(drv); |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 1010 | struct pcmcia_device_id *did = p_drv->id_table; |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 1011 | struct pcmcia_dynid *dynid; |
| 1012 | |
| 1013 | /* match dynamic devices first */ |
| 1014 | spin_lock(&p_drv->dynids.lock); |
| 1015 | list_for_each_entry(dynid, &p_drv->dynids.list, node) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1016 | ds_dev_dbg(3, dev, "trying to match to %s\n", drv->name); |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 1017 | if (pcmcia_devmatch(p_dev, &dynid->id)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1018 | ds_dev_dbg(0, dev, "matched to %s\n", drv->name); |
Bernhard Walle | 6179b55 | 2007-05-06 14:48:44 -0700 | [diff] [blame] | 1019 | spin_unlock(&p_drv->dynids.lock); |
| 1020 | return 1; |
| 1021 | } |
| 1022 | } |
| 1023 | spin_unlock(&p_drv->dynids.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | |
Dominik Brodowski | 0e0fad8 | 2006-01-15 01:14:31 +0100 | [diff] [blame] | 1025 | #ifdef CONFIG_PCMCIA_IOCTL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | /* matching by cardmgr */ |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1027 | if (p_dev->cardmgr == p_drv) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1028 | ds_dev_dbg(0, dev, "cardmgr matched to %s\n", drv->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | return 1; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1030 | } |
Dominik Brodowski | 0e0fad8 | 2006-01-15 01:14:31 +0100 | [diff] [blame] | 1031 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 1033 | while (did && did->match_flags) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1034 | ds_dev_dbg(3, dev, "trying to match to %s\n", drv->name); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1035 | if (pcmcia_devmatch(p_dev, did)) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1036 | ds_dev_dbg(0, dev, "matched to %s\n", drv->name); |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 1037 | return 1; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1038 | } |
Dominik Brodowski | 1ad275e | 2005-06-27 16:28:06 -0700 | [diff] [blame] | 1039 | did++; |
| 1040 | } |
| 1041 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1042 | return 0; |
| 1043 | } |
| 1044 | |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1045 | #ifdef CONFIG_HOTPLUG |
| 1046 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1047 | static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1048 | { |
| 1049 | struct pcmcia_device *p_dev; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1050 | int i; |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1051 | u32 hash[4] = { 0, 0, 0, 0}; |
| 1052 | |
| 1053 | if (!dev) |
| 1054 | return -ENODEV; |
| 1055 | |
| 1056 | p_dev = to_pcmcia_dev(dev); |
| 1057 | |
| 1058 | /* calculate hashes */ |
| 1059 | for (i=0; i<4; i++) { |
| 1060 | if (!p_dev->prod_id[i]) |
| 1061 | continue; |
| 1062 | hash[i] = crc32(0, p_dev->prod_id[i], strlen(p_dev->prod_id[i])); |
| 1063 | } |
| 1064 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1065 | if (add_uevent_var(env, "SOCKET_NO=%u", p_dev->socket->sock)) |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1066 | return -ENOMEM; |
| 1067 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1068 | if (add_uevent_var(env, "DEVICE_NO=%02X", p_dev->device_no)) |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1069 | return -ENOMEM; |
| 1070 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1071 | if (add_uevent_var(env, "MODALIAS=pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X" |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 1072 | "pa%08Xpb%08Xpc%08Xpd%08X", |
| 1073 | p_dev->has_manf_id ? p_dev->manf_id : 0, |
| 1074 | p_dev->has_card_id ? p_dev->card_id : 0, |
| 1075 | p_dev->has_func_id ? p_dev->func_id : 0, |
| 1076 | p_dev->func, |
| 1077 | p_dev->device_no, |
| 1078 | hash[0], |
| 1079 | hash[1], |
| 1080 | hash[2], |
| 1081 | hash[3])) |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1082 | return -ENOMEM; |
| 1083 | |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1084 | return 0; |
| 1085 | } |
| 1086 | |
| 1087 | #else |
| 1088 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 1089 | static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) |
Dominik Brodowski | 840c2ac | 2005-06-27 16:28:04 -0700 | [diff] [blame] | 1090 | { |
| 1091 | return -ENODEV; |
| 1092 | } |
| 1093 | |
| 1094 | #endif |
| 1095 | |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1096 | /************************ runtime PM support ***************************/ |
| 1097 | |
| 1098 | static int pcmcia_dev_suspend(struct device *dev, pm_message_t state); |
| 1099 | static int pcmcia_dev_resume(struct device *dev); |
| 1100 | |
| 1101 | static int runtime_suspend(struct device *dev) |
| 1102 | { |
| 1103 | int rc; |
| 1104 | |
| 1105 | down(&dev->sem); |
| 1106 | rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND); |
| 1107 | up(&dev->sem); |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1108 | return rc; |
| 1109 | } |
| 1110 | |
| 1111 | static void runtime_resume(struct device *dev) |
| 1112 | { |
| 1113 | int rc; |
| 1114 | |
| 1115 | down(&dev->sem); |
| 1116 | rc = pcmcia_dev_resume(dev); |
| 1117 | up(&dev->sem); |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1118 | } |
| 1119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | /************************ per-device sysfs output ***************************/ |
| 1121 | |
| 1122 | #define pcmcia_device_attr(field, test, format) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 1123 | static ssize_t field##_show (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | { \ |
| 1125 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); \ |
| 1126 | return p_dev->test ? sprintf (buf, format, p_dev->field) : -ENODEV; \ |
| 1127 | } |
| 1128 | |
| 1129 | #define pcmcia_device_stringattr(name, field) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 1130 | static ssize_t name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | { \ |
| 1132 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); \ |
| 1133 | return p_dev->field ? sprintf (buf, "%s\n", p_dev->field) : -ENODEV; \ |
| 1134 | } |
| 1135 | |
| 1136 | pcmcia_device_attr(func, socket, "0x%02x\n"); |
| 1137 | pcmcia_device_attr(func_id, has_func_id, "0x%02x\n"); |
| 1138 | pcmcia_device_attr(manf_id, has_manf_id, "0x%04x\n"); |
| 1139 | pcmcia_device_attr(card_id, has_card_id, "0x%04x\n"); |
| 1140 | pcmcia_device_stringattr(prod_id1, prod_id[0]); |
| 1141 | pcmcia_device_stringattr(prod_id2, prod_id[1]); |
| 1142 | pcmcia_device_stringattr(prod_id3, prod_id[2]); |
| 1143 | pcmcia_device_stringattr(prod_id4, prod_id[3]); |
| 1144 | |
Dominik Brodowski | db1019c | 2006-01-10 19:19:37 +0100 | [diff] [blame] | 1145 | |
| 1146 | static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute *attr, char *buf) |
| 1147 | { |
| 1148 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1149 | |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1150 | if (p_dev->suspended) |
Dominik Brodowski | db1019c | 2006-01-10 19:19:37 +0100 | [diff] [blame] | 1151 | return sprintf(buf, "off\n"); |
| 1152 | else |
| 1153 | return sprintf(buf, "on\n"); |
| 1154 | } |
| 1155 | |
| 1156 | static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute *attr, |
| 1157 | const char *buf, size_t count) |
| 1158 | { |
| 1159 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1160 | int ret = 0; |
| 1161 | |
| 1162 | if (!count) |
| 1163 | return -EINVAL; |
| 1164 | |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1165 | if ((!p_dev->suspended) && !strncmp(buf, "off", 3)) |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1166 | ret = runtime_suspend(dev); |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1167 | else if (p_dev->suspended && !strncmp(buf, "on", 2)) |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1168 | runtime_resume(dev); |
Dominik Brodowski | db1019c | 2006-01-10 19:19:37 +0100 | [diff] [blame] | 1169 | |
| 1170 | return ret ? ret : count; |
| 1171 | } |
| 1172 | |
| 1173 | |
Dominik Brodowski | 3704511 | 2005-06-30 02:58:47 -0700 | [diff] [blame] | 1174 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) |
Dominik Brodowski | 3248ff4 | 2005-06-27 16:29:01 -0700 | [diff] [blame] | 1175 | { |
| 1176 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1177 | int i; |
| 1178 | u32 hash[4] = { 0, 0, 0, 0}; |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1179 | |
Dominik Brodowski | 3248ff4 | 2005-06-27 16:29:01 -0700 | [diff] [blame] | 1180 | /* calculate hashes */ |
| 1181 | for (i=0; i<4; i++) { |
| 1182 | if (!p_dev->prod_id[i]) |
| 1183 | continue; |
| 1184 | hash[i] = crc32(0,p_dev->prod_id[i],strlen(p_dev->prod_id[i])); |
| 1185 | } |
| 1186 | return sprintf(buf, "pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X" |
| 1187 | "pa%08Xpb%08Xpc%08Xpd%08X\n", |
| 1188 | p_dev->has_manf_id ? p_dev->manf_id : 0, |
| 1189 | p_dev->has_card_id ? p_dev->card_id : 0, |
| 1190 | p_dev->has_func_id ? p_dev->func_id : 0, |
| 1191 | p_dev->func, p_dev->device_no, |
| 1192 | hash[0], hash[1], hash[2], hash[3]); |
| 1193 | } |
| 1194 | |
| 1195 | static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, |
| 1196 | struct device_attribute *attr, const char *buf, size_t count) |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1197 | { |
| 1198 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
Dominik Brodowski | f901b8c | 2006-10-25 19:56:55 -0400 | [diff] [blame] | 1199 | int ret; |
Dominik Brodowski | db1019c | 2006-01-10 19:19:37 +0100 | [diff] [blame] | 1200 | |
| 1201 | if (!count) |
| 1202 | return -EINVAL; |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1203 | |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 1204 | mutex_lock(&p_dev->socket->skt_mutex); |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1205 | p_dev->allow_func_id_match = 1; |
Dominik Brodowski | 7fe908d | 2006-01-10 21:20:36 +0100 | [diff] [blame] | 1206 | mutex_unlock(&p_dev->socket->skt_mutex); |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1207 | |
Dominik Brodowski | f901b8c | 2006-10-25 19:56:55 -0400 | [diff] [blame] | 1208 | ret = bus_rescan_devices(&pcmcia_bus_type); |
| 1209 | if (ret) |
| 1210 | printk(KERN_INFO "pcmcia: bus_rescan_devices failed after " |
| 1211 | "allowing func_id matches\n"); |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1212 | |
| 1213 | return count; |
| 1214 | } |
| 1215 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1216 | static struct device_attribute pcmcia_dev_attrs[] = { |
| 1217 | __ATTR(function, 0444, func_show, NULL), |
Dominik Brodowski | db1019c | 2006-01-10 19:19:37 +0100 | [diff] [blame] | 1218 | __ATTR(pm_state, 0644, pcmcia_show_pm_state, pcmcia_store_pm_state), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | __ATTR_RO(func_id), |
| 1220 | __ATTR_RO(manf_id), |
| 1221 | __ATTR_RO(card_id), |
| 1222 | __ATTR_RO(prod_id1), |
| 1223 | __ATTR_RO(prod_id2), |
| 1224 | __ATTR_RO(prod_id3), |
| 1225 | __ATTR_RO(prod_id4), |
Dominik Brodowski | 3248ff4 | 2005-06-27 16:29:01 -0700 | [diff] [blame] | 1226 | __ATTR_RO(modalias), |
Dominik Brodowski | a5b5577 | 2005-06-27 16:28:10 -0700 | [diff] [blame] | 1227 | __ATTR(allow_func_id_match, 0200, NULL, pcmcia_store_allow_func_id_match), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | __ATTR_NULL, |
| 1229 | }; |
| 1230 | |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1231 | /* PM support, also needed for reset */ |
| 1232 | |
| 1233 | static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) |
| 1234 | { |
| 1235 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1236 | struct pcmcia_driver *p_drv = NULL; |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1237 | int ret = 0; |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1238 | |
David Brownell | d6b4fa6 | 2008-02-04 22:27:37 -0800 | [diff] [blame] | 1239 | if (p_dev->suspended) |
| 1240 | return 0; |
| 1241 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1242 | ds_dev_dbg(2, dev, "suspending\n"); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1243 | |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1244 | if (dev->driver) |
| 1245 | p_drv = to_pcmcia_drv(dev->driver); |
| 1246 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1247 | if (!p_drv) |
| 1248 | goto out; |
| 1249 | |
| 1250 | if (p_drv->suspend) { |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 1251 | ret = p_drv->suspend(p_dev); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1252 | if (ret) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1253 | dev_printk(KERN_ERR, dev, |
| 1254 | "pcmcia: device %s (driver %s) did " |
| 1255 | "not want to go to sleep (%d)\n", |
| 1256 | p_dev->devname, p_drv->drv.name, ret); |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1257 | goto out; |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1258 | } |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 1259 | } |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1260 | |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1261 | if (p_dev->device_no == p_dev->func) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1262 | ds_dev_dbg(2, dev, "releasing configuration\n"); |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1263 | pcmcia_release_configuration(p_dev); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1264 | } |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1265 | |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1266 | out: |
| 1267 | if (!ret) |
| 1268 | p_dev->suspended = 1; |
| 1269 | return ret; |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1270 | } |
| 1271 | |
| 1272 | |
| 1273 | static int pcmcia_dev_resume(struct device * dev) |
| 1274 | { |
| 1275 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1276 | struct pcmcia_driver *p_drv = NULL; |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1277 | int ret = 0; |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1278 | |
David Brownell | d6b4fa6 | 2008-02-04 22:27:37 -0800 | [diff] [blame] | 1279 | if (!p_dev->suspended) |
| 1280 | return 0; |
| 1281 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1282 | ds_dev_dbg(2, dev, "resuming\n"); |
Dominik Brodowski | d9d9ea0 | 2006-12-02 22:11:44 +0200 | [diff] [blame] | 1283 | |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1284 | if (dev->driver) |
| 1285 | p_drv = to_pcmcia_drv(dev->driver); |
| 1286 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1287 | if (!p_drv) |
| 1288 | goto out; |
| 1289 | |
| 1290 | if (p_dev->device_no == p_dev->func) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1291 | ds_dev_dbg(2, dev, "requesting configuration\n"); |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1292 | ret = pcmcia_request_configuration(p_dev, &p_dev->conf); |
| 1293 | if (ret) |
| 1294 | goto out; |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 1295 | } |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1296 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 1297 | if (p_drv->resume) |
| 1298 | ret = p_drv->resume(p_dev); |
| 1299 | |
Dominik Brodowski | f6fbe01 | 2006-01-20 15:10:23 +0100 | [diff] [blame] | 1300 | out: |
| 1301 | if (!ret) |
| 1302 | p_dev->suspended = 0; |
| 1303 | return ret; |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1304 | } |
| 1305 | |
| 1306 | |
| 1307 | static int pcmcia_bus_suspend_callback(struct device *dev, void * _data) |
| 1308 | { |
| 1309 | struct pcmcia_socket *skt = _data; |
| 1310 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1311 | |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1312 | if (p_dev->socket != skt || p_dev->suspended) |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1313 | return 0; |
| 1314 | |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1315 | return runtime_suspend(dev); |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1316 | } |
| 1317 | |
| 1318 | static int pcmcia_bus_resume_callback(struct device *dev, void * _data) |
| 1319 | { |
| 1320 | struct pcmcia_socket *skt = _data; |
| 1321 | struct pcmcia_device *p_dev = to_pcmcia_dev(dev); |
| 1322 | |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1323 | if (p_dev->socket != skt || !p_dev->suspended) |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1324 | return 0; |
| 1325 | |
Alan Stern | 3f8df78 | 2007-07-12 16:57:22 -0400 | [diff] [blame] | 1326 | runtime_resume(dev); |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1327 | |
| 1328 | return 0; |
| 1329 | } |
| 1330 | |
| 1331 | static int pcmcia_bus_resume(struct pcmcia_socket *skt) |
| 1332 | { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1333 | ds_dev_dbg(2, &skt->dev, "resuming socket %d\n", skt->sock); |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1334 | bus_for_each_dev(&pcmcia_bus_type, NULL, skt, pcmcia_bus_resume_callback); |
| 1335 | return 0; |
| 1336 | } |
| 1337 | |
| 1338 | static int pcmcia_bus_suspend(struct pcmcia_socket *skt) |
| 1339 | { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1340 | ds_dev_dbg(2, &skt->dev, "suspending socket %d\n", skt->sock); |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1341 | if (bus_for_each_dev(&pcmcia_bus_type, NULL, skt, |
| 1342 | pcmcia_bus_suspend_callback)) { |
| 1343 | pcmcia_bus_resume(skt); |
| 1344 | return -EIO; |
| 1345 | } |
| 1346 | return 0; |
| 1347 | } |
| 1348 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | |
| 1350 | /*====================================================================== |
| 1351 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1352 | The card status event handler. |
| 1353 | |
| 1354 | ======================================================================*/ |
| 1355 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1356 | /* Normally, the event is passed to individual drivers after |
| 1357 | * informing userspace. Only for CS_EVENT_CARD_REMOVAL this |
| 1358 | * is inversed to maintain historic compatibility. |
| 1359 | */ |
| 1360 | |
| 1361 | static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) |
| 1362 | { |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1363 | struct pcmcia_socket *s = pcmcia_get_socket(skt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | |
Florin Malita | 1617406 | 2006-05-24 21:21:31 -0400 | [diff] [blame] | 1365 | if (!s) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1366 | dev_printk(KERN_ERR, &skt->dev, |
| 1367 | "PCMCIA obtaining reference to socket " \ |
| 1368 | "failed, event 0x%x lost!\n", event); |
Florin Malita | 1617406 | 2006-05-24 21:21:31 -0400 | [diff] [blame] | 1369 | return -ENODEV; |
| 1370 | } |
| 1371 | |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1372 | ds_dev_dbg(1, &skt->dev, "ds_event(0x%06x, %d, 0x%p)\n", |
| 1373 | event, priority, skt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 1375 | switch (event) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1376 | case CS_EVENT_CARD_REMOVAL: |
Dominik Brodowski | b5e4391 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1377 | s->pcmcia_state.present = 0; |
Dominik Brodowski | d6ff5a8 | 2006-02-05 09:51:34 +0100 | [diff] [blame] | 1378 | pcmcia_card_remove(skt, NULL); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1379 | handle_event(skt, event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | break; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 1381 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | case CS_EVENT_CARD_INSERTION: |
Dominik Brodowski | b5e4391 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1383 | s->pcmcia_state.present = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | pcmcia_card_add(skt); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1385 | handle_event(skt, event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | break; |
| 1387 | |
| 1388 | case CS_EVENT_EJECTION_REQUEST: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | break; |
| 1390 | |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1391 | case CS_EVENT_PM_SUSPEND: |
| 1392 | case CS_EVENT_PM_RESUME: |
| 1393 | case CS_EVENT_RESET_PHYSICAL: |
| 1394 | case CS_EVENT_CARD_RESET: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1395 | default: |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1396 | handle_event(skt, event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1397 | break; |
| 1398 | } |
| 1399 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1400 | pcmcia_put_socket(s); |
| 1401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1402 | return 0; |
| 1403 | } /* ds_event */ |
| 1404 | |
| 1405 | |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 1406 | struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) |
| 1407 | { |
| 1408 | struct pcmcia_device *p_dev; |
| 1409 | struct pcmcia_device *ret = NULL; |
| 1410 | |
| 1411 | p_dev = pcmcia_get_dev(_p_dev); |
| 1412 | if (!p_dev) |
| 1413 | return NULL; |
| 1414 | |
| 1415 | if (!p_dev->socket->pcmcia_state.present) |
| 1416 | goto out; |
| 1417 | |
| 1418 | if (p_dev->_removed) |
| 1419 | goto out; |
| 1420 | |
| 1421 | if (p_dev->suspended) |
| 1422 | goto out; |
| 1423 | |
| 1424 | ret = p_dev; |
| 1425 | out: |
| 1426 | pcmcia_put_dev(p_dev); |
| 1427 | return ret; |
| 1428 | } |
| 1429 | EXPORT_SYMBOL(pcmcia_dev_present); |
| 1430 | |
| 1431 | |
Dominik Brodowski | 90c6cdd | 2005-06-27 16:28:49 -0700 | [diff] [blame] | 1432 | static struct pcmcia_callback pcmcia_bus_callback = { |
| 1433 | .owner = THIS_MODULE, |
| 1434 | .event = ds_event, |
| 1435 | .requery = pcmcia_bus_rescan, |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1436 | .suspend = pcmcia_bus_suspend, |
| 1437 | .resume = pcmcia_bus_resume, |
Dominik Brodowski | 90c6cdd | 2005-06-27 16:28:49 -0700 | [diff] [blame] | 1438 | }; |
| 1439 | |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1440 | static int __devinit pcmcia_bus_add_socket(struct device *dev, |
Dmitry Torokhov | d8539d8 | 2005-09-15 02:01:36 -0500 | [diff] [blame] | 1441 | struct class_interface *class_intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | { |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1443 | struct pcmcia_socket *socket = dev_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | int ret; |
| 1445 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1446 | socket = pcmcia_get_socket(socket); |
| 1447 | if (!socket) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1448 | dev_printk(KERN_ERR, dev, |
| 1449 | "PCMCIA obtaining reference to socket failed\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | return -ENODEV; |
| 1451 | } |
| 1452 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | /* |
| 1454 | * Ugly. But we want to wait for the socket threads to have started up. |
| 1455 | * We really should let the drivers themselves drive some of this.. |
| 1456 | */ |
| 1457 | msleep(250); |
| 1458 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1459 | #ifdef CONFIG_PCMCIA_IOCTL |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1460 | init_waitqueue_head(&socket->queue); |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1461 | #endif |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1462 | INIT_LIST_HEAD(&socket->devices_list); |
David Howells | 4796b71 | 2006-12-06 15:01:18 +0000 | [diff] [blame] | 1463 | INIT_WORK(&socket->device_add, pcmcia_delayed_add_device); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1464 | memset(&socket->pcmcia_state, 0, sizeof(u8)); |
| 1465 | socket->device_count = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1466 | |
Dominik Brodowski | 90c6cdd | 2005-06-27 16:28:49 -0700 | [diff] [blame] | 1467 | ret = pccard_register_pcmcia(socket, &pcmcia_bus_callback); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1468 | if (ret) { |
Dominik Brodowski | ac449d6 | 2008-08-02 18:33:56 +0200 | [diff] [blame] | 1469 | dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n"); |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1470 | pcmcia_put_socket(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1471 | return (ret); |
| 1472 | } |
| 1473 | |
| 1474 | return 0; |
| 1475 | } |
| 1476 | |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1477 | static void pcmcia_bus_remove_socket(struct device *dev, |
Dmitry Torokhov | d8539d8 | 2005-09-15 02:01:36 -0500 | [diff] [blame] | 1478 | struct class_interface *class_intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | { |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1480 | struct pcmcia_socket *socket = dev_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1481 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1482 | if (!socket) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1483 | return; |
| 1484 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1485 | socket->pcmcia_state.dead = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1486 | pccard_register_pcmcia(socket, NULL); |
| 1487 | |
Daniel Ritz | dfbc9e9 | 2006-11-18 22:19:34 -0800 | [diff] [blame] | 1488 | /* unregister any unbound devices */ |
Daniel Ritz | 8e4d9dc | 2006-11-25 11:09:17 -0800 | [diff] [blame] | 1489 | mutex_lock(&socket->skt_mutex); |
Daniel Ritz | dfbc9e9 | 2006-11-18 22:19:34 -0800 | [diff] [blame] | 1490 | pcmcia_card_remove(socket, NULL); |
Daniel Ritz | 8e4d9dc | 2006-11-25 11:09:17 -0800 | [diff] [blame] | 1491 | mutex_unlock(&socket->skt_mutex); |
Daniel Ritz | dfbc9e9 | 2006-11-18 22:19:34 -0800 | [diff] [blame] | 1492 | |
Dominik Brodowski | dc10949 | 2005-06-27 16:28:50 -0700 | [diff] [blame] | 1493 | pcmcia_put_socket(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1494 | |
| 1495 | return; |
| 1496 | } |
| 1497 | |
| 1498 | |
| 1499 | /* the pcmcia_bus_interface is used to handle pcmcia socket devices */ |
Sam Ravnborg | ed49f5d | 2008-05-01 04:34:50 -0700 | [diff] [blame] | 1500 | static struct class_interface pcmcia_bus_interface __refdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1501 | .class = &pcmcia_socket_class, |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1502 | .add_dev = &pcmcia_bus_add_socket, |
| 1503 | .remove_dev = &pcmcia_bus_remove_socket, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1504 | }; |
| 1505 | |
| 1506 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1507 | struct bus_type pcmcia_bus_type = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1508 | .name = "pcmcia", |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 1509 | .uevent = pcmcia_bus_uevent, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1510 | .match = pcmcia_bus_match, |
| 1511 | .dev_attrs = pcmcia_dev_attrs, |
Russell King | 1d0baa3 | 2006-01-05 14:40:58 +0000 | [diff] [blame] | 1512 | .probe = pcmcia_device_probe, |
| 1513 | .remove = pcmcia_device_remove, |
Dominik Brodowski | 8e9e793 | 2006-01-06 00:02:03 +0100 | [diff] [blame] | 1514 | .suspend = pcmcia_dev_suspend, |
| 1515 | .resume = pcmcia_dev_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1516 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1517 | |
| 1518 | |
| 1519 | static int __init init_pcmcia_bus(void) |
| 1520 | { |
Randy Dunlap | ace7d47 | 2006-10-20 14:44:12 -0700 | [diff] [blame] | 1521 | int ret; |
| 1522 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1523 | spin_lock_init(&pcmcia_dev_list_lock); |
| 1524 | |
Randy Dunlap | ace7d47 | 2006-10-20 14:44:12 -0700 | [diff] [blame] | 1525 | ret = bus_register(&pcmcia_bus_type); |
| 1526 | if (ret < 0) { |
| 1527 | printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret); |
| 1528 | return ret; |
| 1529 | } |
| 1530 | ret = class_interface_register(&pcmcia_bus_interface); |
| 1531 | if (ret < 0) { |
| 1532 | printk(KERN_WARNING |
| 1533 | "pcmcia: class_interface_register error: %d\n", ret); |
| 1534 | bus_unregister(&pcmcia_bus_type); |
| 1535 | return ret; |
| 1536 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1537 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1538 | pcmcia_setup_ioctl(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1539 | |
| 1540 | return 0; |
| 1541 | } |
| 1542 | fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that |
| 1543 | * pcmcia_socket_class is already registered */ |
| 1544 | |
| 1545 | |
| 1546 | static void __exit exit_pcmcia_bus(void) |
| 1547 | { |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1548 | pcmcia_cleanup_ioctl(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1549 | |
Dominik Brodowski | e7a480d | 2005-06-27 16:28:47 -0700 | [diff] [blame] | 1550 | class_interface_unregister(&pcmcia_bus_interface); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1551 | |
| 1552 | bus_unregister(&pcmcia_bus_type); |
| 1553 | } |
| 1554 | module_exit(exit_pcmcia_bus); |
| 1555 | |
| 1556 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1557 | MODULE_ALIAS("ds"); |