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34#include <linux/cpufreq.h>
35#include <linux/gpio.h>
36#include <linux/init.h>
37#include <linux/interrupt.h>
38#include <linux/io.h>
39#include <linux/irq.h>
40#include <linux/kernel.h>
41#include <linux/mm.h>
42#include <linux/module.h>
43#include <linux/moduleparam.h>
44#include <linux/mutex.h>
45#include <linux/spinlock.h>
46#include <linux/timer.h>
47
48#include <mach/hardware.h>
49
50#include "soc_common.h"
51
52static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev);
53
54#ifdef CONFIG_PCMCIA_DEBUG
55
56static int pc_debug;
57module_param(pc_debug, int, 0644);
58
59void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func,
60 int lvl, const char *fmt, ...)
61{
62 struct va_format vaf;
63 va_list args;
64 if (pc_debug > lvl) {
65 va_start(args, fmt);
66
67 vaf.fmt = fmt;
68 vaf.va = &args;
69
70 printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf);
71
72 va_end(args);
73 }
74}
75EXPORT_SYMBOL(soc_pcmcia_debug);
76
77#endif
78
79#define to_soc_pcmcia_socket(x) \
80 container_of(x, struct soc_pcmcia_socket, socket)
81
82static unsigned short
83calc_speed(unsigned short *spds, int num, unsigned short dflt)
84{
85 unsigned short speed = 0;
86 int i;
87
88 for (i = 0; i < num; i++)
89 if (speed < spds[i])
90 speed = spds[i];
91 if (speed == 0)
92 speed = dflt;
93
94 return speed;
95}
96
97void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt,
98 struct soc_pcmcia_timing *timing)
99{
100 timing->io =
101 calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS);
102 timing->mem =
103 calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
104 timing->attr =
105 calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
106}
107EXPORT_SYMBOL(soc_common_pcmcia_get_timing);
108
109static void __soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt,
110 unsigned int nr)
111{
112 unsigned int i;
113
114 for (i = 0; i < nr; i++) {
115 if (skt->stat[i].irq)
116 free_irq(skt->stat[i].irq, skt);
117 if (gpio_is_valid(skt->stat[i].gpio))
118 gpio_free(skt->stat[i].gpio);
119 }
120
121 if (skt->ops->hw_shutdown)
122 skt->ops->hw_shutdown(skt);
123
124 clk_disable_unprepare(skt->clk);
125}
126
127static void soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
128{
129 __soc_pcmcia_hw_shutdown(skt, ARRAY_SIZE(skt->stat));
130}
131
132static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
133{
134 int ret = 0, i;
135
136 clk_prepare_enable(skt->clk);
137
138 if (skt->ops->hw_init) {
139 ret = skt->ops->hw_init(skt);
140 if (ret)
141 return ret;
142 }
143
144 for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {
145 if (gpio_is_valid(skt->stat[i].gpio)) {
146 int irq;
147
148 ret = gpio_request_one(skt->stat[i].gpio, GPIOF_IN,
149 skt->stat[i].name);
150 if (ret) {
151 __soc_pcmcia_hw_shutdown(skt, i);
152 return ret;
153 }
154
155 irq = gpio_to_irq(skt->stat[i].gpio);
156
157 if (i == SOC_STAT_RDY)
158 skt->socket.pci_irq = irq;
159 else
160 skt->stat[i].irq = irq;
161 }
162
163 if (skt->stat[i].irq) {
164 ret = request_irq(skt->stat[i].irq,
165 soc_common_pcmcia_interrupt,
166 IRQF_TRIGGER_NONE,
167 skt->stat[i].name, skt);
168 if (ret) {
169 if (gpio_is_valid(skt->stat[i].gpio))
170 gpio_free(skt->stat[i].gpio);
171 __soc_pcmcia_hw_shutdown(skt, i);
172 return ret;
173 }
174 }
175 }
176
177 return ret;
178}
179
180static void soc_pcmcia_hw_enable(struct soc_pcmcia_socket *skt)
181{
182 int i;
183
184 for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
185 if (skt->stat[i].irq) {
186 irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_RISING);
187 irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_BOTH);
188 }
189}
190
191static void soc_pcmcia_hw_disable(struct soc_pcmcia_socket *skt)
192{
193 int i;
194
195 for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
196 if (skt->stat[i].irq)
197 irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_NONE);
198}
199
200static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt)
201{
202 struct pcmcia_state state;
203 unsigned int stat;
204
205 memset(&state, 0, sizeof(struct pcmcia_state));
206
207
208 state.bvd1 = 1;
209 state.bvd2 = 1;
210
211
212 if (gpio_is_valid(skt->stat[SOC_STAT_CD].gpio))
213 state.detect = !gpio_get_value(skt->stat[SOC_STAT_CD].gpio);
214
215
216 if (gpio_is_valid(skt->stat[SOC_STAT_RDY].gpio))
217 state.ready = !!gpio_get_value(skt->stat[SOC_STAT_RDY].gpio);
218 if (gpio_is_valid(skt->stat[SOC_STAT_BVD1].gpio))
219 state.bvd1 = !!gpio_get_value(skt->stat[SOC_STAT_BVD1].gpio);
220 if (gpio_is_valid(skt->stat[SOC_STAT_BVD2].gpio))
221 state.bvd2 = !!gpio_get_value(skt->stat[SOC_STAT_BVD2].gpio);
222
223 skt->ops->socket_state(skt, &state);
224
225 stat = state.detect ? SS_DETECT : 0;
226 stat |= state.ready ? SS_READY : 0;
227 stat |= state.wrprot ? SS_WRPROT : 0;
228 stat |= state.vs_3v ? SS_3VCARD : 0;
229 stat |= state.vs_Xv ? SS_XVCARD : 0;
230
231
232
233
234
235 stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
236
237 if (skt->cs_state.flags & SS_IOCARD)
238 stat |= state.bvd1 ? SS_STSCHG : 0;
239 else {
240 if (state.bvd1 == 0)
241 stat |= SS_BATDEAD;
242 else if (state.bvd2 == 0)
243 stat |= SS_BATWARN;
244 }
245 return stat;
246}
247
248
249
250
251
252
253
254static int soc_common_pcmcia_config_skt(
255 struct soc_pcmcia_socket *skt, socket_state_t *state)
256{
257 int ret;
258
259 ret = skt->ops->configure_socket(skt, state);
260 if (ret == 0) {
261
262
263
264
265 if (skt->irq_state != 1 && state->io_irq) {
266 skt->irq_state = 1;
267 irq_set_irq_type(skt->socket.pci_irq,
268 IRQ_TYPE_EDGE_FALLING);
269 } else if (skt->irq_state == 1 && state->io_irq == 0) {
270 skt->irq_state = 0;
271 irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE);
272 }
273
274 skt->cs_state = *state;
275 }
276
277 if (ret < 0)
278 printk(KERN_ERR "soc_common_pcmcia: unable to configure "
279 "socket %d\n", skt->nr);
280
281 return ret;
282}
283
284
285
286
287
288
289
290
291
292
293static int soc_common_pcmcia_sock_init(struct pcmcia_socket *sock)
294{
295 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
296
297 debug(skt, 2, "initializing socket\n");
298 if (skt->ops->socket_init)
299 skt->ops->socket_init(skt);
300 soc_pcmcia_hw_enable(skt);
301 return 0;
302}
303
304
305
306
307
308
309
310
311
312
313
314static int soc_common_pcmcia_suspend(struct pcmcia_socket *sock)
315{
316 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
317
318 debug(skt, 2, "suspending socket\n");
319
320 soc_pcmcia_hw_disable(skt);
321 if (skt->ops->socket_suspend)
322 skt->ops->socket_suspend(skt);
323
324 return 0;
325}
326
327static DEFINE_SPINLOCK(status_lock);
328
329static void soc_common_check_status(struct soc_pcmcia_socket *skt)
330{
331 unsigned int events;
332
333 debug(skt, 4, "entering PCMCIA monitoring thread\n");
334
335 do {
336 unsigned int status;
337 unsigned long flags;
338
339 status = soc_common_pcmcia_skt_state(skt);
340
341 spin_lock_irqsave(&status_lock, flags);
342 events = (status ^ skt->status) & skt->cs_state.csc_mask;
343 skt->status = status;
344 spin_unlock_irqrestore(&status_lock, flags);
345
346 debug(skt, 4, "events: %s%s%s%s%s%s\n",
347 events == 0 ? "<NONE>" : "",
348 events & SS_DETECT ? "DETECT " : "",
349 events & SS_READY ? "READY " : "",
350 events & SS_BATDEAD ? "BATDEAD " : "",
351 events & SS_BATWARN ? "BATWARN " : "",
352 events & SS_STSCHG ? "STSCHG " : "");
353
354 if (events)
355 pcmcia_parse_events(&skt->socket, events);
356 } while (events);
357}
358
359
360static void soc_common_pcmcia_poll_event(unsigned long dummy)
361{
362 struct soc_pcmcia_socket *skt = (struct soc_pcmcia_socket *)dummy;
363 debug(skt, 4, "polling for events\n");
364
365 mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD);
366
367 soc_common_check_status(skt);
368}
369
370
371
372
373
374
375
376
377
378
379static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev)
380{
381 struct soc_pcmcia_socket *skt = dev;
382
383 debug(skt, 3, "servicing IRQ %d\n", irq);
384
385 soc_common_check_status(skt);
386
387 return IRQ_HANDLED;
388}
389
390
391
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393
394
395
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397
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399
400
401
402
403
404
405
406static int
407soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status)
408{
409 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
410
411 skt->status = soc_common_pcmcia_skt_state(skt);
412 *status = skt->status;
413
414 return 0;
415}
416
417
418
419
420
421
422
423
424
425static int soc_common_pcmcia_set_socket(
426 struct pcmcia_socket *sock, socket_state_t *state)
427{
428 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
429
430 debug(skt, 2, "mask: %s%s%s%s%s%s flags: %s%s%s%s%s%s Vcc %d Vpp %d irq %d\n",
431 (state->csc_mask == 0) ? "<NONE> " : "",
432 (state->csc_mask & SS_DETECT) ? "DETECT " : "",
433 (state->csc_mask & SS_READY) ? "READY " : "",
434 (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "",
435 (state->csc_mask & SS_BATWARN) ? "BATWARN " : "",
436 (state->csc_mask & SS_STSCHG) ? "STSCHG " : "",
437 (state->flags == 0) ? "<NONE> " : "",
438 (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "",
439 (state->flags & SS_IOCARD) ? "IOCARD " : "",
440 (state->flags & SS_RESET) ? "RESET " : "",
441 (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "",
442 (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "",
443 state->Vcc, state->Vpp, state->io_irq);
444
445 return soc_common_pcmcia_config_skt(skt, state);
446}
447
448
449
450
451
452
453
454
455
456
457static int soc_common_pcmcia_set_io_map(
458 struct pcmcia_socket *sock, struct pccard_io_map *map)
459{
460 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
461 unsigned short speed = map->speed;
462
463 debug(skt, 2, "map %u speed %u start 0x%08llx stop 0x%08llx\n",
464 map->map, map->speed, (unsigned long long)map->start,
465 (unsigned long long)map->stop);
466 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
467 (map->flags == 0) ? "<NONE>" : "",
468 (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
469 (map->flags & MAP_16BIT) ? "16BIT " : "",
470 (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
471 (map->flags & MAP_0WS) ? "0WS " : "",
472 (map->flags & MAP_WRPROT) ? "WRPROT " : "",
473 (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "",
474 (map->flags & MAP_PREFETCH) ? "PREFETCH " : "");
475
476 if (map->map >= MAX_IO_WIN) {
477 printk(KERN_ERR "%s(): map (%d) out of range\n", __func__,
478 map->map);
479 return -1;
480 }
481
482 if (map->flags & MAP_ACTIVE) {
483 if (speed == 0)
484 speed = SOC_PCMCIA_IO_ACCESS;
485 } else {
486 speed = 0;
487 }
488
489 skt->spd_io[map->map] = speed;
490 skt->ops->set_timing(skt);
491
492 if (map->stop == 1)
493 map->stop = PAGE_SIZE-1;
494
495 map->stop -= map->start;
496 map->stop += skt->socket.io_offset;
497 map->start = skt->socket.io_offset;
498
499 return 0;
500}
501
502
503
504
505
506
507
508
509
510
511static int soc_common_pcmcia_set_mem_map(
512 struct pcmcia_socket *sock, struct pccard_mem_map *map)
513{
514 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
515 struct resource *res;
516 unsigned short speed = map->speed;
517
518 debug(skt, 2, "map %u speed %u card_start %08x\n",
519 map->map, map->speed, map->card_start);
520 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
521 (map->flags == 0) ? "<NONE>" : "",
522 (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
523 (map->flags & MAP_16BIT) ? "16BIT " : "",
524 (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
525 (map->flags & MAP_0WS) ? "0WS " : "",
526 (map->flags & MAP_WRPROT) ? "WRPROT " : "",
527 (map->flags & MAP_ATTRIB) ? "ATTRIB " : "",
528 (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "");
529
530 if (map->map >= MAX_WIN)
531 return -EINVAL;
532
533 if (map->flags & MAP_ACTIVE) {
534 if (speed == 0)
535 speed = 300;
536 } else {
537 speed = 0;
538 }
539
540 if (map->flags & MAP_ATTRIB) {
541 res = &skt->res_attr;
542 skt->spd_attr[map->map] = speed;
543 skt->spd_mem[map->map] = 0;
544 } else {
545 res = &skt->res_mem;
546 skt->spd_attr[map->map] = 0;
547 skt->spd_mem[map->map] = speed;
548 }
549
550 skt->ops->set_timing(skt);
551
552 map->static_start = res->start + map->card_start;
553
554 return 0;
555}
556
557struct bittbl {
558 unsigned int mask;
559 const char *name;
560};
561
562static struct bittbl status_bits[] = {
563 { SS_WRPROT, "SS_WRPROT" },
564 { SS_BATDEAD, "SS_BATDEAD" },
565 { SS_BATWARN, "SS_BATWARN" },
566 { SS_READY, "SS_READY" },
567 { SS_DETECT, "SS_DETECT" },
568 { SS_POWERON, "SS_POWERON" },
569 { SS_STSCHG, "SS_STSCHG" },
570 { SS_3VCARD, "SS_3VCARD" },
571 { SS_XVCARD, "SS_XVCARD" },
572};
573
574static struct bittbl conf_bits[] = {
575 { SS_PWR_AUTO, "SS_PWR_AUTO" },
576 { SS_IOCARD, "SS_IOCARD" },
577 { SS_RESET, "SS_RESET" },
578 { SS_DMA_MODE, "SS_DMA_MODE" },
579 { SS_SPKR_ENA, "SS_SPKR_ENA" },
580 { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" },
581};
582
583static void dump_bits(char **p, const char *prefix,
584 unsigned int val, struct bittbl *bits, int sz)
585{
586 char *b = *p;
587 int i;
588
589 b += sprintf(b, "%-9s:", prefix);
590 for (i = 0; i < sz; i++)
591 if (val & bits[i].mask)
592 b += sprintf(b, " %s", bits[i].name);
593 *b++ = '\n';
594 *p = b;
595}
596
597
598
599
600
601
602static ssize_t show_status(
603 struct device *dev, struct device_attribute *attr, char *buf)
604{
605 struct soc_pcmcia_socket *skt =
606 container_of(dev, struct soc_pcmcia_socket, socket.dev);
607 char *p = buf;
608
609 p += sprintf(p, "slot : %d\n", skt->nr);
610
611 dump_bits(&p, "status", skt->status,
612 status_bits, ARRAY_SIZE(status_bits));
613 dump_bits(&p, "csc_mask", skt->cs_state.csc_mask,
614 status_bits, ARRAY_SIZE(status_bits));
615 dump_bits(&p, "cs_flags", skt->cs_state.flags,
616 conf_bits, ARRAY_SIZE(conf_bits));
617
618 p += sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc);
619 p += sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp);
620 p += sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq,
621 skt->socket.pci_irq);
622 if (skt->ops->show_timing)
623 p += skt->ops->show_timing(skt, p);
624
625 return p-buf;
626}
627static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
628
629
630static struct pccard_operations soc_common_pcmcia_operations = {
631 .init = soc_common_pcmcia_sock_init,
632 .suspend = soc_common_pcmcia_suspend,
633 .get_status = soc_common_pcmcia_get_status,
634 .set_socket = soc_common_pcmcia_set_socket,
635 .set_io_map = soc_common_pcmcia_set_io_map,
636 .set_mem_map = soc_common_pcmcia_set_mem_map,
637};
638
639
640static LIST_HEAD(soc_pcmcia_sockets);
641static DEFINE_MUTEX(soc_pcmcia_sockets_lock);
642
643#ifdef CONFIG_CPU_FREQ
644static int
645soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data)
646{
647 struct soc_pcmcia_socket *skt;
648 struct cpufreq_freqs *freqs = data;
649 int ret = 0;
650
651 mutex_lock(&soc_pcmcia_sockets_lock);
652 list_for_each_entry(skt, &soc_pcmcia_sockets, node)
653 if (skt->ops->frequency_change)
654 ret += skt->ops->frequency_change(skt, val, freqs);
655 mutex_unlock(&soc_pcmcia_sockets_lock);
656
657 return ret;
658}
659
660static struct notifier_block soc_pcmcia_notifier_block = {
661 .notifier_call = soc_pcmcia_notifier
662};
663
664static int soc_pcmcia_cpufreq_register(void)
665{
666 int ret;
667
668 ret = cpufreq_register_notifier(&soc_pcmcia_notifier_block,
669 CPUFREQ_TRANSITION_NOTIFIER);
670 if (ret < 0)
671 printk(KERN_ERR "Unable to register CPU frequency change "
672 "notifier for PCMCIA (%d)\n", ret);
673 return ret;
674}
675fs_initcall(soc_pcmcia_cpufreq_register);
676
677static void soc_pcmcia_cpufreq_unregister(void)
678{
679 cpufreq_unregister_notifier(&soc_pcmcia_notifier_block,
680 CPUFREQ_TRANSITION_NOTIFIER);
681}
682module_exit(soc_pcmcia_cpufreq_unregister);
683
684#endif
685
686void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt,
687 struct pcmcia_low_level *ops, struct device *dev)
688{
689 int i;
690
691 skt->ops = ops;
692 skt->socket.owner = ops->owner;
693 skt->socket.dev.parent = dev;
694 skt->socket.pci_irq = NO_IRQ;
695
696 for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
697 skt->stat[i].gpio = -EINVAL;
698}
699EXPORT_SYMBOL(soc_pcmcia_init_one);
700
701void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt)
702{
703 mutex_lock(&soc_pcmcia_sockets_lock);
704 del_timer_sync(&skt->poll_timer);
705
706 pcmcia_unregister_socket(&skt->socket);
707
708 soc_pcmcia_hw_shutdown(skt);
709
710
711 soc_common_pcmcia_config_skt(skt, &dead_socket);
712
713 list_del(&skt->node);
714 mutex_unlock(&soc_pcmcia_sockets_lock);
715
716 iounmap(skt->virt_io);
717 skt->virt_io = NULL;
718 release_resource(&skt->res_attr);
719 release_resource(&skt->res_mem);
720 release_resource(&skt->res_io);
721 release_resource(&skt->res_skt);
722}
723EXPORT_SYMBOL(soc_pcmcia_remove_one);
724
725int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt)
726{
727 int ret;
728
729 setup_timer(&skt->poll_timer, soc_common_pcmcia_poll_event,
730 (unsigned long)skt);
731 skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD;
732
733 ret = request_resource(&iomem_resource, &skt->res_skt);
734 if (ret)
735 goto out_err_1;
736
737 ret = request_resource(&skt->res_skt, &skt->res_io);
738 if (ret)
739 goto out_err_2;
740
741 ret = request_resource(&skt->res_skt, &skt->res_mem);
742 if (ret)
743 goto out_err_3;
744
745 ret = request_resource(&skt->res_skt, &skt->res_attr);
746 if (ret)
747 goto out_err_4;
748
749 skt->virt_io = ioremap(skt->res_io.start, 0x10000);
750 if (skt->virt_io == NULL) {
751 ret = -ENOMEM;
752 goto out_err_5;
753 }
754
755 mutex_lock(&soc_pcmcia_sockets_lock);
756
757 list_add(&skt->node, &soc_pcmcia_sockets);
758
759
760
761
762
763
764 skt->ops->set_timing(skt);
765
766 ret = soc_pcmcia_hw_init(skt);
767 if (ret)
768 goto out_err_6;
769
770 skt->socket.ops = &soc_common_pcmcia_operations;
771 skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
772 skt->socket.resource_ops = &pccard_static_ops;
773 skt->socket.irq_mask = 0;
774 skt->socket.map_size = PAGE_SIZE;
775 skt->socket.io_offset = (unsigned long)skt->virt_io;
776
777 skt->status = soc_common_pcmcia_skt_state(skt);
778
779 ret = pcmcia_register_socket(&skt->socket);
780 if (ret)
781 goto out_err_7;
782
783 add_timer(&skt->poll_timer);
784
785 mutex_unlock(&soc_pcmcia_sockets_lock);
786
787 ret = device_create_file(&skt->socket.dev, &dev_attr_status);
788 if (ret)
789 goto out_err_8;
790
791 return ret;
792
793 out_err_8:
794 mutex_lock(&soc_pcmcia_sockets_lock);
795 del_timer_sync(&skt->poll_timer);
796 pcmcia_unregister_socket(&skt->socket);
797
798 out_err_7:
799 soc_pcmcia_hw_shutdown(skt);
800 out_err_6:
801 list_del(&skt->node);
802 mutex_unlock(&soc_pcmcia_sockets_lock);
803 iounmap(skt->virt_io);
804 out_err_5:
805 release_resource(&skt->res_attr);
806 out_err_4:
807 release_resource(&skt->res_mem);
808 out_err_3:
809 release_resource(&skt->res_io);
810 out_err_2:
811 release_resource(&skt->res_skt);
812 out_err_1:
813
814 return ret;
815}
816EXPORT_SYMBOL(soc_pcmcia_add_one);
817
818MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
819MODULE_DESCRIPTION("Linux PCMCIA Card Services: Common SoC support");
820MODULE_LICENSE("Dual MPL/GPL");
821