2 * cs.c -- Kernel Card Services - core services
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.
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.
12 * (C) 1999 David A. Hinds
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/config.h>
20 #include <linux/string.h>
21 #include <linux/major.h>
22 #include <linux/errno.h>
23 #include <linux/slab.h>
25 #include <linux/interrupt.h>
26 #include <linux/timer.h>
27 #include <linux/ioport.h>
28 #include <linux/delay.h>
30 #include <linux/pci.h>
31 #include <linux/device.h>
32 #include <asm/system.h>
35 #define IN_CARD_SERVICES
36 #include <pcmcia/version.h>
37 #include <pcmcia/cs_types.h>
38 #include <pcmcia/ss.h>
39 #include <pcmcia/cs.h>
40 #include <pcmcia/bulkmem.h>
41 #include <pcmcia/cistpl.h>
42 #include <pcmcia/cisreg.h>
43 #include <pcmcia/ds.h>
44 #include "cs_internal.h"
47 #define PCI_OPT " [pci]"
52 #define CB_OPT " [cardbus]"
57 #define PM_OPT " [pm]"
61 #if !defined(CONFIG_CARDBUS) && !defined(CONFIG_PCI) && !defined(CONFIG_PM)
62 #define OPTIONS " none"
64 #define OPTIONS PCI_OPT CB_OPT PM_OPT
67 static const char *release = "Linux Kernel Card Services";
68 static const char *options = "options: " OPTIONS;
70 /*====================================================================*/
72 /* Module parameters */
74 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
75 MODULE_DESCRIPTION("Linux Kernel Card Services\noptions:" OPTIONS);
76 MODULE_LICENSE("GPL");
78 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0444)
80 INT_MODULE_PARM(setup_delay, 10); /* centiseconds */
81 INT_MODULE_PARM(resume_delay, 20); /* centiseconds */
82 INT_MODULE_PARM(shutdown_delay, 3); /* centiseconds */
83 INT_MODULE_PARM(vcc_settle, 40); /* centiseconds */
84 INT_MODULE_PARM(reset_time, 10); /* usecs */
85 INT_MODULE_PARM(unreset_delay, 10); /* centiseconds */
86 INT_MODULE_PARM(unreset_check, 10); /* centiseconds */
87 INT_MODULE_PARM(unreset_limit, 30); /* unreset_check's */
89 /* Access speed for attribute memory windows */
90 INT_MODULE_PARM(cis_speed, 300); /* ns */
95 module_param(pc_debug, int, 0644);
97 int cs_debug_level(int level)
99 return pc_debug > level;
103 /*====================================================================*/
105 socket_state_t dead_socket = {
106 .csc_mask = SS_DETECT,
110 /* List of all sockets, protected by a rwsem */
111 LIST_HEAD(pcmcia_socket_list);
112 DECLARE_RWSEM(pcmcia_socket_list_rwsem);
113 EXPORT_SYMBOL(pcmcia_socket_list);
114 EXPORT_SYMBOL(pcmcia_socket_list_rwsem);
117 /*====================================================================
119 Low-level PC Card interface drivers need to register with Card
120 Services using these calls.
122 ======================================================================*/
125 * socket drivers are expected to use the following callbacks in their
127 * - pcmcia_socket_dev_suspend
128 * - pcmcia_socket_dev_resume
129 * These functions check for the appropriate struct pcmcia_soket arrays,
130 * and pass them to the low-level functions pcmcia_{suspend,resume}_socket
132 static int socket_resume(struct pcmcia_socket *skt);
133 static int socket_suspend(struct pcmcia_socket *skt);
135 int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state)
137 struct pcmcia_socket *socket;
139 down_read(&pcmcia_socket_list_rwsem);
140 list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
141 if (socket->dev.dev != dev)
143 down(&socket->skt_sem);
144 socket_suspend(socket);
145 up(&socket->skt_sem);
147 up_read(&pcmcia_socket_list_rwsem);
151 EXPORT_SYMBOL(pcmcia_socket_dev_suspend);
153 int pcmcia_socket_dev_resume(struct device *dev)
155 struct pcmcia_socket *socket;
157 down_read(&pcmcia_socket_list_rwsem);
158 list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
159 if (socket->dev.dev != dev)
161 down(&socket->skt_sem);
162 socket_resume(socket);
163 up(&socket->skt_sem);
165 up_read(&pcmcia_socket_list_rwsem);
169 EXPORT_SYMBOL(pcmcia_socket_dev_resume);
172 struct pcmcia_socket * pcmcia_get_socket(struct pcmcia_socket *skt)
174 struct class_device *cl_dev = class_device_get(&skt->dev);
177 skt = class_get_devdata(cl_dev);
178 if (!try_module_get(skt->owner)) {
179 class_device_put(&skt->dev);
184 EXPORT_SYMBOL(pcmcia_get_socket);
187 void pcmcia_put_socket(struct pcmcia_socket *skt)
189 module_put(skt->owner);
190 class_device_put(&skt->dev);
192 EXPORT_SYMBOL(pcmcia_put_socket);
195 static void pcmcia_release_socket(struct class_device *class_dev)
197 struct pcmcia_socket *socket = class_get_devdata(class_dev);
199 complete(&socket->socket_released);
202 static int pccardd(void *__skt);
205 * pcmcia_register_socket - add a new pcmcia socket device
207 int pcmcia_register_socket(struct pcmcia_socket *socket)
211 if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops)
214 cs_dbg(socket, 0, "pcmcia_register_socket(0x%p)\n", socket->ops);
216 spin_lock_init(&socket->lock);
218 if (socket->resource_ops->init) {
219 ret = socket->resource_ops->init(socket);
224 /* try to obtain a socket number [yes, it gets ugly if we
225 * register more than 2^sizeof(unsigned int) pcmcia
226 * sockets... but the socket number is deprecated
227 * anyways, so I don't care] */
228 down_write(&pcmcia_socket_list_rwsem);
229 if (list_empty(&pcmcia_socket_list))
232 unsigned int found, i = 1;
233 struct pcmcia_socket *tmp;
236 list_for_each_entry(tmp, &pcmcia_socket_list, socket_list) {
242 socket->sock = i - 1;
244 list_add_tail(&socket->socket_list, &pcmcia_socket_list);
245 up_write(&pcmcia_socket_list_rwsem);
248 /* set proper values in socket->dev */
249 socket->dev.class_data = socket;
250 socket->dev.class = &pcmcia_socket_class;
251 snprintf(socket->dev.class_id, BUS_ID_SIZE, "pcmcia_socket%u", socket->sock);
253 /* base address = 0, map = 0 */
254 socket->cis_mem.flags = 0;
255 socket->cis_mem.speed = cis_speed;
257 INIT_LIST_HEAD(&socket->cis_cache);
259 init_completion(&socket->socket_released);
260 init_completion(&socket->thread_done);
261 init_waitqueue_head(&socket->thread_wait);
262 init_MUTEX(&socket->skt_sem);
263 spin_lock_init(&socket->thread_lock);
265 ret = kernel_thread(pccardd, socket, CLONE_KERNEL);
269 wait_for_completion(&socket->thread_done);
270 if(!socket->thread) {
271 printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);
274 pcmcia_parse_events(socket, SS_DETECT);
279 down_write(&pcmcia_socket_list_rwsem);
280 list_del(&socket->socket_list);
281 up_write(&pcmcia_socket_list_rwsem);
283 } /* pcmcia_register_socket */
284 EXPORT_SYMBOL(pcmcia_register_socket);
288 * pcmcia_unregister_socket - remove a pcmcia socket device
290 void pcmcia_unregister_socket(struct pcmcia_socket *socket)
295 cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
297 if (socket->thread) {
298 init_completion(&socket->thread_done);
299 socket->thread = NULL;
300 wake_up(&socket->thread_wait);
301 wait_for_completion(&socket->thread_done);
303 release_cis_mem(socket);
305 /* remove from our own list */
306 down_write(&pcmcia_socket_list_rwsem);
307 list_del(&socket->socket_list);
308 up_write(&pcmcia_socket_list_rwsem);
310 /* wait for sysfs to drop all references */
311 release_resource_db(socket);
312 wait_for_completion(&socket->socket_released);
313 } /* pcmcia_unregister_socket */
314 EXPORT_SYMBOL(pcmcia_unregister_socket);
317 struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr)
319 struct pcmcia_socket *s;
321 down_read(&pcmcia_socket_list_rwsem);
322 list_for_each_entry(s, &pcmcia_socket_list, socket_list)
324 up_read(&pcmcia_socket_list_rwsem);
327 up_read(&pcmcia_socket_list_rwsem);
332 EXPORT_SYMBOL(pcmcia_get_socket_by_nr);
335 /*======================================================================
337 socket_setup() and shutdown_socket() are called by the main event
338 handler when card insertion and removal events are received.
339 socket_setup() turns on socket power and resets the socket, in two stages.
340 shutdown_socket() unconfigures a socket and turns off socket power.
342 ======================================================================*/
344 static void shutdown_socket(struct pcmcia_socket *s)
346 cs_dbg(s, 1, "shutdown_socket\n");
348 /* Blank out the socket state */
349 s->socket = dead_socket;
351 s->ops->set_socket(s, &s->socket);
352 s->irq.AssignedIRQ = s->irq.Config = 0;
354 destroy_cis_cache(s);
355 #ifdef CONFIG_CARDBUS
366 s->ops->get_status(s, &status);
367 if (status & SS_POWERON) {
368 printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s);
371 } /* shutdown_socket */
373 /*======================================================================
375 The central event handler. Send_event() sends an event to the
376 16-bit subsystem, which then calls the relevant device drivers.
377 Parse_events() interprets the event bits from
378 a card status change report. Do_shutdown() handles the high
379 priority stuff associated with a card removal.
381 ======================================================================*/
384 /* NOTE: send_event needs to be called with skt->sem held. */
386 static int send_event(struct pcmcia_socket *s, event_t event, int priority)
390 if (s->state & SOCKET_CARDBUS)
393 cs_dbg(s, 1, "send_event(event %d, pri %d, callback 0x%p)\n",
394 event, priority, s->callback);
398 if (!try_module_get(s->callback->owner))
401 ret = s->callback->event(s, event, priority);
403 module_put(s->callback->owner);
408 static void socket_remove_drivers(struct pcmcia_socket *skt)
410 cs_dbg(skt, 4, "remove_drivers\n");
412 send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
415 static void socket_shutdown(struct pcmcia_socket *skt)
417 cs_dbg(skt, 4, "shutdown\n");
419 socket_remove_drivers(skt);
420 skt->state &= SOCKET_INUSE|SOCKET_PRESENT;
421 msleep(shutdown_delay * 10);
422 skt->state &= SOCKET_INUSE;
423 shutdown_socket(skt);
426 static int socket_reset(struct pcmcia_socket *skt)
430 cs_dbg(skt, 4, "reset\n");
432 skt->socket.flags |= SS_OUTPUT_ENA | SS_RESET;
433 skt->ops->set_socket(skt, &skt->socket);
434 udelay((long)reset_time);
436 skt->socket.flags &= ~SS_RESET;
437 skt->ops->set_socket(skt, &skt->socket);
439 msleep(unreset_delay * 10);
440 for (i = 0; i < unreset_limit; i++) {
441 skt->ops->get_status(skt, &status);
443 if (!(status & SS_DETECT))
446 if (status & SS_READY)
449 msleep(unreset_check * 10);
452 cs_err(skt, "time out after reset.\n");
453 return CS_GENERAL_FAILURE;
456 static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
460 cs_dbg(skt, 4, "setup\n");
462 skt->ops->get_status(skt, &status);
463 if (!(status & SS_DETECT))
466 msleep(initial_delay * 10);
468 for (i = 0; i < 100; i++) {
469 skt->ops->get_status(skt, &status);
470 if (!(status & SS_DETECT))
473 if (!(status & SS_PENDING))
479 if (status & SS_PENDING) {
480 cs_err(skt, "voltage interrogation timed out.\n");
481 return CS_GENERAL_FAILURE;
484 if (status & SS_CARDBUS) {
485 skt->state |= SOCKET_CARDBUS;
486 #ifndef CONFIG_CARDBUS
487 cs_err(skt, "cardbus cards are not supported.\n");
493 * Decode the card voltage requirements, and apply power to the card.
495 if (status & SS_3VCARD)
496 skt->socket.Vcc = skt->socket.Vpp = 33;
497 else if (!(status & SS_XVCARD))
498 skt->socket.Vcc = skt->socket.Vpp = 50;
500 cs_err(skt, "unsupported voltage key.\n");
505 skt->power_hook(skt, HOOK_POWER_PRE);
507 skt->socket.flags = 0;
508 skt->ops->set_socket(skt, &skt->socket);
511 * Wait "vcc_settle" for the supply to stabilise.
513 msleep(vcc_settle * 10);
515 skt->ops->get_status(skt, &status);
516 if (!(status & SS_POWERON)) {
517 cs_err(skt, "unable to apply power.\n");
521 status = socket_reset(skt);
524 skt->power_hook(skt, HOOK_POWER_POST);
530 * Handle card insertion. Setup the socket, reset the card,
531 * and then tell the rest of PCMCIA that a card is present.
533 static int socket_insert(struct pcmcia_socket *skt)
537 cs_dbg(skt, 4, "insert\n");
539 if (!cs_socket_get(skt))
542 ret = socket_setup(skt, setup_delay);
543 if (ret == CS_SUCCESS) {
544 skt->state |= SOCKET_PRESENT;
545 #ifdef CONFIG_CARDBUS
546 if (skt->state & SOCKET_CARDBUS) {
548 skt->state |= SOCKET_CARDBUS_CONFIG;
551 cs_dbg(skt, 4, "insert done\n");
553 send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
555 socket_shutdown(skt);
562 static int socket_suspend(struct pcmcia_socket *skt)
564 if (skt->state & SOCKET_SUSPEND)
567 send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW);
568 skt->socket = dead_socket;
569 skt->ops->set_socket(skt, &skt->socket);
570 if (skt->ops->suspend)
571 skt->ops->suspend(skt);
572 skt->state |= SOCKET_SUSPEND;
578 * Resume a socket. If a card is present, verify its CIS against
579 * our cached copy. If they are different, the card has been
580 * replaced, and we need to tell the drivers.
582 static int socket_resume(struct pcmcia_socket *skt)
586 if (!(skt->state & SOCKET_SUSPEND))
589 skt->socket = dead_socket;
591 skt->ops->set_socket(skt, &skt->socket);
593 if (!(skt->state & SOCKET_PRESENT)) {
594 skt->state &= ~SOCKET_SUSPEND;
595 return socket_insert(skt);
598 ret = socket_setup(skt, resume_delay);
599 if (ret == CS_SUCCESS) {
601 * FIXME: need a better check here for cardbus cards.
603 if (verify_cis_cache(skt) != 0) {
604 cs_dbg(skt, 4, "cis mismatch - different card\n");
605 socket_remove_drivers(skt);
606 destroy_cis_cache(skt);
608 * Workaround: give DS time to schedule removal.
609 * Remove me once the 100ms delay is eliminated
613 send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
615 cs_dbg(skt, 4, "cis matches cache\n");
616 send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
619 socket_shutdown(skt);
623 skt->state &= ~SOCKET_SUSPEND;
628 static void socket_remove(struct pcmcia_socket *skt)
630 socket_shutdown(skt);
635 * Process a socket card detect status change.
637 * If we don't have a card already present, delay the detect event for
638 * about 20ms (to be on the safe side) before reading the socket status.
640 * Some i82365-based systems send multiple SS_DETECT events during card
641 * insertion, and the "card present" status bit seems to bounce. This
642 * will probably be true with GPIO-based card detection systems after
643 * the product has aged.
645 static void socket_detect_change(struct pcmcia_socket *skt)
647 if (!(skt->state & SOCKET_SUSPEND)) {
650 if (!(skt->state & SOCKET_PRESENT))
653 skt->ops->get_status(skt, &status);
654 if ((skt->state & SOCKET_PRESENT) &&
655 !(status & SS_DETECT))
657 if (!(skt->state & SOCKET_PRESENT) &&
658 (status & SS_DETECT))
663 static int pccardd(void *__skt)
665 struct pcmcia_socket *skt = __skt;
666 DECLARE_WAITQUEUE(wait, current);
669 daemonize("pccardd");
671 skt->thread = current;
672 skt->socket = dead_socket;
674 skt->ops->set_socket(skt, &skt->socket);
676 /* register with the device core */
677 ret = class_device_register(&skt->dev);
679 printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",
682 complete_and_exit(&skt->thread_done, 0);
684 complete(&skt->thread_done);
686 add_wait_queue(&skt->thread_wait, &wait);
691 set_current_state(TASK_INTERRUPTIBLE);
693 spin_lock_irqsave(&skt->thread_lock, flags);
694 events = skt->thread_events;
695 skt->thread_events = 0;
696 spin_unlock_irqrestore(&skt->thread_lock, flags);
700 if (events & SS_DETECT)
701 socket_detect_change(skt);
702 if (events & SS_BATDEAD)
703 send_event(skt, CS_EVENT_BATTERY_DEAD, CS_EVENT_PRI_LOW);
704 if (events & SS_BATWARN)
705 send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW);
706 if (events & SS_READY)
707 send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW);
718 remove_wait_queue(&skt->thread_wait, &wait);
720 /* remove from the device core */
721 class_device_unregister(&skt->dev);
723 complete_and_exit(&skt->thread_done, 0);
727 * Yenta (at least) probes interrupts before registering the socket and
728 * starting the handler thread.
730 void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
732 cs_dbg(s, 4, "parse_events: events %08x\n", events);
734 spin_lock(&s->thread_lock);
735 s->thread_events |= events;
736 spin_unlock(&s->thread_lock);
738 wake_up(&s->thread_wait);
740 } /* pcmcia_parse_events */
743 /*=====================================================================
745 Return the PCI device associated with a card..
747 ======================================================================*/
749 #ifdef CONFIG_CARDBUS
751 struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s)
753 if (!s || !(s->state & SOCKET_CARDBUS))
756 return s->cb_dev->subordinate;
759 EXPORT_SYMBOL(pcmcia_lookup_bus);
764 /* register pcmcia_callback */
765 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c)
769 /* s->skt_sem also protects s->callback */
781 if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT)
782 send_event(s, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
790 EXPORT_SYMBOL(pccard_register_pcmcia);
793 /*======================================================================
795 I'm not sure which "reset" function this is supposed to use,
796 but for now, it uses the low-level interface's reset, not the
799 ======================================================================*/
801 int pccard_reset_card(struct pcmcia_socket *skt)
805 cs_dbg(skt, 1, "resetting socket\n");
809 if (!(skt->state & SOCKET_PRESENT)) {
813 if (skt->state & SOCKET_SUSPEND) {
817 if (skt->state & SOCKET_CARDBUS) {
818 ret = CS_UNSUPPORTED_FUNCTION;
822 ret = send_event(skt, CS_EVENT_RESET_REQUEST, CS_EVENT_PRI_LOW);
824 send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW);
825 if (socket_reset(skt) == CS_SUCCESS)
826 send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW);
835 EXPORT_SYMBOL(pccard_reset_card);
837 /*======================================================================
839 These shut down or wake up a socket. They are sort of user
840 initiated versions of the APM suspend and resume actions.
842 ======================================================================*/
844 int pcmcia_suspend_card(struct pcmcia_socket *skt)
848 cs_dbg(skt, 1, "suspending socket\n");
852 if (!(skt->state & SOCKET_PRESENT)) {
856 if (skt->state & SOCKET_CARDBUS) {
857 ret = CS_UNSUPPORTED_FUNCTION;
860 ret = socket_suspend(skt);
867 int pcmcia_resume_card(struct pcmcia_socket *skt)
871 cs_dbg(skt, 1, "waking up socket\n");
875 if (!(skt->state & SOCKET_PRESENT)) {
879 if (skt->state & SOCKET_CARDBUS) {
880 ret = CS_UNSUPPORTED_FUNCTION;
883 ret = socket_resume(skt);
890 /*======================================================================
892 These handle user requests to eject or insert a card.
894 ======================================================================*/
896 int pcmcia_eject_card(struct pcmcia_socket *skt)
900 cs_dbg(skt, 1, "user eject request\n");
904 if (!(skt->state & SOCKET_PRESENT)) {
909 ret = send_event(skt, CS_EVENT_EJECTION_REQUEST, CS_EVENT_PRI_LOW);
923 int pcmcia_insert_card(struct pcmcia_socket *skt)
927 cs_dbg(skt, 1, "user insert request\n");
931 if (skt->state & SOCKET_PRESENT) {
935 if (socket_insert(skt) == CS_NO_CARD) {
946 static int pcmcia_socket_hotplug(struct class_device *dev, char **envp,
947 int num_envp, char *buffer, int buffer_size)
949 struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
950 int i = 0, length = 0;
952 if (add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
953 &length, "SOCKET_NO=%u", s->sock))
961 /*======================================================================
963 OS-specific module glue goes here
965 ======================================================================*/
967 EXPORT_SYMBOL(pcmcia_eject_card);
968 EXPORT_SYMBOL(pcmcia_insert_card);
969 EXPORT_SYMBOL(pcmcia_replace_cis);
970 EXPORT_SYMBOL(pcmcia_resume_card);
971 EXPORT_SYMBOL(pcmcia_suspend_card);
973 EXPORT_SYMBOL(dead_socket);
974 EXPORT_SYMBOL(pcmcia_parse_events);
976 struct class pcmcia_socket_class = {
977 .name = "pcmcia_socket",
978 .hotplug = pcmcia_socket_hotplug,
979 .release = pcmcia_release_socket,
981 EXPORT_SYMBOL(pcmcia_socket_class);
984 static int __init init_pcmcia_cs(void)
987 printk(KERN_INFO "%s\n", release);
988 printk(KERN_INFO " %s\n", options);
990 ret = class_register(&pcmcia_socket_class);
993 return class_interface_register(&pccard_sysfs_interface);
996 static void __exit exit_pcmcia_cs(void)
998 printk(KERN_INFO "unloading Kernel Card Services\n");
999 class_interface_unregister(&pccard_sysfs_interface);
1000 class_unregister(&pcmcia_socket_class);
1003 subsys_initcall(init_pcmcia_cs);
1004 module_exit(exit_pcmcia_cs);
1006 /*====================================================================*/