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