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13#include <linux/types.h>
14#include <linux/errno.h>
15#include <linux/kernel.h>
16#include <linux/delay.h>
17#include <linux/sched.h>
18#include <linux/timer.h>
19#include <linux/stddef.h>
20#include <linux/init.h>
21#include <linux/kthread.h>
22#include <linux/mutex.h>
23#include <asm/prom.h>
24#include <asm/pgtable.h>
25#include <asm/io.h>
26#include <asm/machdep.h>
27#include <asm/pmac_feature.h>
28#include <asm/mediabay.h>
29#include <asm/sections.h>
30#include <asm/ohare.h>
31#include <asm/heathrow.h>
32#include <asm/keylargo.h>
33#include <linux/adb.h>
34#include <linux/pmu.h>
35
36
37#define MB_DEBUG
38
39#ifdef MB_DEBUG
40#define MBDBG(fmt, arg...) printk(KERN_INFO fmt , ## arg)
41#else
42#define MBDBG(fmt, arg...) do { } while (0)
43#endif
44
45#define MB_FCR32(bay, r) ((bay)->base + ((r) >> 2))
46#define MB_FCR8(bay, r) (((volatile u8 __iomem *)((bay)->base)) + (r))
47
48#define MB_IN32(bay,r) (in_le32(MB_FCR32(bay,r)))
49#define MB_OUT32(bay,r,v) (out_le32(MB_FCR32(bay,r), (v)))
50#define MB_BIS(bay,r,v) (MB_OUT32((bay), (r), MB_IN32((bay), r) | (v)))
51#define MB_BIC(bay,r,v) (MB_OUT32((bay), (r), MB_IN32((bay), r) & ~(v)))
52#define MB_IN8(bay,r) (in_8(MB_FCR8(bay,r)))
53#define MB_OUT8(bay,r,v) (out_8(MB_FCR8(bay,r), (v)))
54
55struct media_bay_info;
56
57struct mb_ops {
58 char* name;
59 void (*init)(struct media_bay_info *bay);
60 u8 (*content)(struct media_bay_info *bay);
61 void (*power)(struct media_bay_info *bay, int on_off);
62 int (*setup_bus)(struct media_bay_info *bay, u8 device_id);
63 void (*un_reset)(struct media_bay_info *bay);
64 void (*un_reset_ide)(struct media_bay_info *bay);
65};
66
67struct media_bay_info {
68 u32 __iomem *base;
69 int content_id;
70 int state;
71 int last_value;
72 int value_count;
73 int timer;
74 struct macio_dev *mdev;
75 struct mb_ops* ops;
76 int index;
77 int cached_gpio;
78 int sleeping;
79 struct mutex lock;
80#ifdef CONFIG_BLK_DEV_IDE_PMAC
81 ide_hwif_t *cd_port;
82 void __iomem *cd_base;
83 int cd_irq;
84 int cd_retry;
85#endif
86#if defined(CONFIG_BLK_DEV_IDE_PMAC)
87 int cd_index;
88#endif
89};
90
91#define MAX_BAYS 2
92
93static struct media_bay_info media_bays[MAX_BAYS];
94int media_bay_count = 0;
95
96#ifdef CONFIG_BLK_DEV_IDE_PMAC
97
98
99#define MB_IDE_READY(i) ((readb(media_bays[i].cd_base + 0x70) & 0x80) == 0)
100#endif
101
102
103
104
105#define MB_POLL_DELAY 25
106
107
108
109
110
111#define MB_STABLE_DELAY 100
112
113
114
115
116#define MB_POWER_DELAY 200
117
118
119
120
121
122#define MB_RESET_DELAY 50
123
124
125
126
127
128
129#define MB_SETUP_DELAY 100
130
131
132
133
134
135#define MB_IDE_WAIT 1000
136
137
138
139
140#define MB_IDE_TIMEOUT 5000
141
142
143
144
145#define MAX_CD_RETRIES 3
146
147
148
149
150enum {
151 mb_empty = 0,
152 mb_powering_up,
153 mb_enabling_bay,
154 mb_resetting,
155 mb_ide_resetting,
156 mb_ide_waiting,
157 mb_up,
158 mb_powering_down
159};
160
161#define MB_POWER_SOUND 0x08
162#define MB_POWER_FLOPPY 0x04
163#define MB_POWER_ATA 0x02
164#define MB_POWER_PCI 0x01
165#define MB_POWER_OFF 0x00
166
167
168
169
170
171static u8
172ohare_mb_content(struct media_bay_info *bay)
173{
174 return (MB_IN32(bay, OHARE_MBCR) >> 12) & 7;
175}
176
177static u8
178heathrow_mb_content(struct media_bay_info *bay)
179{
180 return (MB_IN32(bay, HEATHROW_MBCR) >> 12) & 7;
181}
182
183static u8
184keylargo_mb_content(struct media_bay_info *bay)
185{
186 int new_gpio;
187
188 new_gpio = MB_IN8(bay, KL_GPIO_MEDIABAY_IRQ) & KEYLARGO_GPIO_INPUT_DATA;
189 if (new_gpio) {
190 bay->cached_gpio = new_gpio;
191 return MB_NO;
192 } else if (bay->cached_gpio != new_gpio) {
193 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_ENABLE);
194 (void)MB_IN32(bay, KEYLARGO_MBCR);
195 udelay(5);
196 MB_BIC(bay, KEYLARGO_MBCR, 0x0000000F);
197 (void)MB_IN32(bay, KEYLARGO_MBCR);
198 udelay(5);
199 bay->cached_gpio = new_gpio;
200 }
201 return (MB_IN32(bay, KEYLARGO_MBCR) >> 4) & 7;
202}
203
204
205
206
207
208
209static void
210ohare_mb_power(struct media_bay_info* bay, int on_off)
211{
212 if (on_off) {
213
214 MB_BIC(bay, OHARE_FCR, OH_BAY_RESET_N);
215 MB_BIC(bay, OHARE_FCR, OH_BAY_POWER_N);
216 } else {
217
218 MB_BIC(bay, OHARE_FCR, OH_BAY_DEV_MASK);
219 MB_BIC(bay, OHARE_FCR, OH_FLOPPY_ENABLE);
220
221 MB_BIS(bay, OHARE_FCR, OH_BAY_POWER_N);
222 MB_BIS(bay, OHARE_FCR, OH_BAY_RESET_N);
223 MB_BIS(bay, OHARE_FCR, OH_IDE1_RESET_N);
224 }
225 MB_BIC(bay, OHARE_MBCR, 0x00000F00);
226}
227
228static void
229heathrow_mb_power(struct media_bay_info* bay, int on_off)
230{
231 if (on_off) {
232
233 MB_BIC(bay, HEATHROW_FCR, HRW_BAY_RESET_N);
234 MB_BIC(bay, HEATHROW_FCR, HRW_BAY_POWER_N);
235 } else {
236
237 MB_BIC(bay, HEATHROW_FCR, HRW_BAY_DEV_MASK);
238 MB_BIC(bay, HEATHROW_FCR, HRW_SWIM_ENABLE);
239
240 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_POWER_N);
241 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_RESET_N);
242 MB_BIS(bay, HEATHROW_FCR, HRW_IDE1_RESET_N);
243 }
244 MB_BIC(bay, HEATHROW_MBCR, 0x00000F00);
245}
246
247static void
248keylargo_mb_power(struct media_bay_info* bay, int on_off)
249{
250 if (on_off) {
251
252 MB_BIC(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_RESET);
253 MB_BIC(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_POWER);
254 } else {
255
256 MB_BIC(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK);
257 MB_BIC(bay, KEYLARGO_FCR1, KL1_EIDE0_ENABLE);
258
259 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_POWER);
260 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_RESET);
261 MB_BIS(bay, KEYLARGO_FCR1, KL1_EIDE0_RESET_N);
262 }
263 MB_BIC(bay, KEYLARGO_MBCR, 0x0000000F);
264}
265
266
267
268
269
270
271static int
272ohare_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
273{
274 switch(device_id) {
275 case MB_FD:
276 case MB_FD1:
277 MB_BIS(bay, OHARE_FCR, OH_BAY_FLOPPY_ENABLE);
278 MB_BIS(bay, OHARE_FCR, OH_FLOPPY_ENABLE);
279 return 0;
280 case MB_CD:
281 MB_BIC(bay, OHARE_FCR, OH_IDE1_RESET_N);
282 MB_BIS(bay, OHARE_FCR, OH_BAY_IDE_ENABLE);
283 return 0;
284 case MB_PCI:
285 MB_BIS(bay, OHARE_FCR, OH_BAY_PCI_ENABLE);
286 return 0;
287 }
288 return -ENODEV;
289}
290
291static int
292heathrow_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
293{
294 switch(device_id) {
295 case MB_FD:
296 case MB_FD1:
297 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_FLOPPY_ENABLE);
298 MB_BIS(bay, HEATHROW_FCR, HRW_SWIM_ENABLE);
299 return 0;
300 case MB_CD:
301 MB_BIC(bay, HEATHROW_FCR, HRW_IDE1_RESET_N);
302 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_IDE_ENABLE);
303 return 0;
304 case MB_PCI:
305 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_PCI_ENABLE);
306 return 0;
307 }
308 return -ENODEV;
309}
310
311static int
312keylargo_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
313{
314 switch(device_id) {
315 case MB_CD:
316 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE);
317 MB_BIC(bay, KEYLARGO_FCR1, KL1_EIDE0_RESET_N);
318 MB_BIS(bay, KEYLARGO_FCR1, KL1_EIDE0_ENABLE);
319 return 0;
320 case MB_PCI:
321 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_PCI_ENABLE);
322 return 0;
323 case MB_SOUND:
324 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_SOUND_ENABLE);
325 return 0;
326 }
327 return -ENODEV;
328}
329
330
331
332
333
334static void
335ohare_mb_un_reset(struct media_bay_info* bay)
336{
337 MB_BIS(bay, OHARE_FCR, OH_BAY_RESET_N);
338}
339
340static void keylargo_mb_init(struct media_bay_info *bay)
341{
342 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_ENABLE);
343}
344
345static void heathrow_mb_un_reset(struct media_bay_info* bay)
346{
347 MB_BIS(bay, HEATHROW_FCR, HRW_BAY_RESET_N);
348}
349
350static void keylargo_mb_un_reset(struct media_bay_info* bay)
351{
352 MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_RESET);
353}
354
355static void ohare_mb_un_reset_ide(struct media_bay_info* bay)
356{
357 MB_BIS(bay, OHARE_FCR, OH_IDE1_RESET_N);
358}
359
360static void heathrow_mb_un_reset_ide(struct media_bay_info* bay)
361{
362 MB_BIS(bay, HEATHROW_FCR, HRW_IDE1_RESET_N);
363}
364
365static void keylargo_mb_un_reset_ide(struct media_bay_info* bay)
366{
367 MB_BIS(bay, KEYLARGO_FCR1, KL1_EIDE0_RESET_N);
368}
369
370static inline void set_mb_power(struct media_bay_info* bay, int onoff)
371{
372
373 if (onoff) {
374 bay->ops->power(bay, 1);
375 bay->state = mb_powering_up;
376 MBDBG("mediabay%d: powering up\n", bay->index);
377 } else {
378
379 bay->ops->power(bay, 0);
380 bay->state = mb_powering_down;
381 MBDBG("mediabay%d: powering down\n", bay->index);
382 }
383 bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
384}
385
386static void poll_media_bay(struct media_bay_info* bay)
387{
388 int id = bay->ops->content(bay);
389
390 if (id == bay->last_value) {
391 if (id != bay->content_id) {
392 bay->value_count += msecs_to_jiffies(MB_POLL_DELAY);
393 if (bay->value_count >= msecs_to_jiffies(MB_STABLE_DELAY)) {
394
395
396
397
398 if ((id != MB_NO) && (bay->content_id != MB_NO)) {
399 id = MB_NO;
400 MBDBG("mediabay%d: forcing MB_NO\n", bay->index);
401 }
402 MBDBG("mediabay%d: switching to %d\n", bay->index, id);
403 set_mb_power(bay, id != MB_NO);
404 bay->content_id = id;
405 if (id == MB_NO) {
406#ifdef CONFIG_BLK_DEV_IDE_PMAC
407 bay->cd_retry = 0;
408#endif
409 printk(KERN_INFO "media bay %d is empty\n", bay->index);
410 }
411 }
412 }
413 } else {
414 bay->last_value = id;
415 bay->value_count = 0;
416 }
417}
418
419#ifdef CONFIG_BLK_DEV_IDE_PMAC
420int check_media_bay(struct device_node *which_bay, int what)
421{
422 int i;
423
424 for (i=0; i<media_bay_count; i++)
425 if (media_bays[i].mdev && which_bay == media_bays[i].mdev->ofdev.node) {
426 if ((what == media_bays[i].content_id) && media_bays[i].state == mb_up)
427 return 0;
428 media_bays[i].cd_index = -1;
429 return -EINVAL;
430 }
431 return -ENODEV;
432}
433EXPORT_SYMBOL(check_media_bay);
434
435int check_media_bay_by_base(unsigned long base, int what)
436{
437 int i;
438
439 for (i=0; i<media_bay_count; i++)
440 if (media_bays[i].mdev && base == (unsigned long) media_bays[i].cd_base) {
441 if ((what == media_bays[i].content_id) && media_bays[i].state == mb_up)
442 return 0;
443 media_bays[i].cd_index = -1;
444 return -EINVAL;
445 }
446
447 return -ENODEV;
448}
449EXPORT_SYMBOL_GPL(check_media_bay_by_base);
450
451int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
452 int irq, ide_hwif_t *hwif)
453{
454 int i;
455
456 for (i=0; i<media_bay_count; i++) {
457 struct media_bay_info* bay = &media_bays[i];
458
459 if (bay->mdev && which_bay == bay->mdev->ofdev.node) {
460 int timeout = 5000, index = hwif->index;
461
462 mutex_lock(&bay->lock);
463
464 bay->cd_port = hwif;
465 bay->cd_base = (void __iomem *) base;
466 bay->cd_irq = irq;
467
468 if ((MB_CD != bay->content_id) || bay->state != mb_up) {
469 mutex_unlock(&bay->lock);
470 return 0;
471 }
472 printk(KERN_DEBUG "Registered ide%d for media bay %d\n", index, i);
473 do {
474 if (MB_IDE_READY(i)) {
475 bay->cd_index = index;
476 mutex_unlock(&bay->lock);
477 return 0;
478 }
479 mdelay(1);
480 } while(--timeout);
481 printk(KERN_DEBUG "Timeount waiting IDE in bay %d\n", i);
482 mutex_unlock(&bay->lock);
483 return -ENODEV;
484 }
485 }
486
487 return -ENODEV;
488}
489EXPORT_SYMBOL_GPL(media_bay_set_ide_infos);
490#endif
491
492static void media_bay_step(int i)
493{
494 struct media_bay_info* bay = &media_bays[i];
495
496
497 if (bay->state != mb_powering_down)
498 poll_media_bay(bay);
499
500
501 if ((bay->state != mb_ide_waiting) && (bay->timer != 0)) {
502 bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
503 if (bay->timer > 0)
504 return;
505 bay->timer = 0;
506 }
507
508 switch(bay->state) {
509 case mb_powering_up:
510 if (bay->ops->setup_bus(bay, bay->last_value) < 0) {
511 MBDBG("mediabay%d: device not supported (kind:%d)\n", i, bay->content_id);
512 set_mb_power(bay, 0);
513 break;
514 }
515 bay->timer = msecs_to_jiffies(MB_RESET_DELAY);
516 bay->state = mb_enabling_bay;
517 MBDBG("mediabay%d: enabling (kind:%d)\n", i, bay->content_id);
518 break;
519 case mb_enabling_bay:
520 bay->ops->un_reset(bay);
521 bay->timer = msecs_to_jiffies(MB_SETUP_DELAY);
522 bay->state = mb_resetting;
523 MBDBG("mediabay%d: waiting reset (kind:%d)\n", i, bay->content_id);
524 break;
525 case mb_resetting:
526 if (bay->content_id != MB_CD) {
527 MBDBG("mediabay%d: bay is up (kind:%d)\n", i, bay->content_id);
528 bay->state = mb_up;
529 break;
530 }
531#ifdef CONFIG_BLK_DEV_IDE_PMAC
532 MBDBG("mediabay%d: waiting IDE reset (kind:%d)\n", i, bay->content_id);
533 bay->ops->un_reset_ide(bay);
534 bay->timer = msecs_to_jiffies(MB_IDE_WAIT);
535 bay->state = mb_ide_resetting;
536#else
537 printk(KERN_DEBUG "media-bay %d is ide (not compiled in kernel)\n", i);
538 set_mb_power(bay, 0);
539#endif
540 break;
541#ifdef CONFIG_BLK_DEV_IDE_PMAC
542 case mb_ide_resetting:
543 bay->timer = msecs_to_jiffies(MB_IDE_TIMEOUT);
544 bay->state = mb_ide_waiting;
545 MBDBG("mediabay%d: waiting IDE ready (kind:%d)\n", i, bay->content_id);
546 break;
547 case mb_ide_waiting:
548 if (bay->cd_base == NULL) {
549 bay->timer = 0;
550 bay->state = mb_up;
551 MBDBG("mediabay%d: up before IDE init\n", i);
552 break;
553 } else if (MB_IDE_READY(i)) {
554 bay->timer = 0;
555 bay->state = mb_up;
556 if (bay->cd_index < 0) {
557 printk("mediabay %d, registering IDE...\n", i);
558 pmu_suspend();
559 ide_port_scan(bay->cd_port);
560 if (bay->cd_port->present)
561 bay->cd_index = bay->cd_port->index;
562 pmu_resume();
563 }
564 if (bay->cd_index == -1) {
565
566 bay->cd_retry++;
567 printk("IDE register error\n");
568 set_mb_power(bay, 0);
569 } else {
570 printk(KERN_DEBUG "media-bay %d is ide%d\n", i, bay->cd_index);
571 MBDBG("mediabay %d IDE ready\n", i);
572 }
573 break;
574 } else if (bay->timer > 0)
575 bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
576 if (bay->timer <= 0) {
577 printk("\nIDE Timeout in bay %d !, IDE state is: 0x%02x\n",
578 i, readb(bay->cd_base + 0x70));
579 MBDBG("mediabay%d: nIDE Timeout !\n", i);
580 set_mb_power(bay, 0);
581 bay->timer = 0;
582 }
583 break;
584#endif
585 case mb_powering_down:
586 bay->state = mb_empty;
587#ifdef CONFIG_BLK_DEV_IDE_PMAC
588 if (bay->cd_index >= 0) {
589 printk(KERN_DEBUG "Unregistering mb %d ide, index:%d\n", i,
590 bay->cd_index);
591 ide_port_unregister_devices(bay->cd_port);
592 bay->cd_index = -1;
593 }
594 if (bay->cd_retry) {
595 if (bay->cd_retry > MAX_CD_RETRIES) {
596
597 printk("\nmedia-bay %d, IDE device badly inserted or unrecognised\n", i);
598 } else {
599
600 bay->content_id = MB_NO;
601 }
602 }
603#endif
604 MBDBG("mediabay%d: end of power down\n", i);
605 break;
606 }
607}
608
609
610
611
612
613
614
615static int media_bay_task(void *x)
616{
617 int i;
618
619 while (!kthread_should_stop()) {
620 for (i = 0; i < media_bay_count; ++i) {
621 mutex_lock(&media_bays[i].lock);
622 if (!media_bays[i].sleeping)
623 media_bay_step(i);
624 mutex_unlock(&media_bays[i].lock);
625 }
626
627 msleep_interruptible(MB_POLL_DELAY);
628 }
629 return 0;
630}
631
632static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_device_id *match)
633{
634 struct media_bay_info* bay;
635 u32 __iomem *regbase;
636 struct device_node *ofnode;
637 unsigned long base;
638 int i;
639
640 ofnode = mdev->ofdev.node;
641
642 if (macio_resource_count(mdev) < 1)
643 return -ENODEV;
644 if (macio_request_resources(mdev, "media-bay"))
645 return -EBUSY;
646
647
648
649
650 base = macio_resource_start(mdev, 0) & 0xffff0000u;
651 regbase = (u32 __iomem *)ioremap(base, 0x100);
652 if (regbase == NULL) {
653 macio_release_resources(mdev);
654 return -ENOMEM;
655 }
656
657 i = media_bay_count++;
658 bay = &media_bays[i];
659 bay->mdev = mdev;
660 bay->base = regbase;
661 bay->index = i;
662 bay->ops = match->data;
663 bay->sleeping = 0;
664 mutex_init(&bay->lock);
665
666
667 if (bay->ops->init)
668 bay->ops->init(bay);
669
670 printk(KERN_INFO "mediabay%d: Registered %s media-bay\n", i, bay->ops->name);
671
672
673 set_mb_power(bay, 0);
674 msleep(MB_POWER_DELAY);
675 bay->content_id = MB_NO;
676 bay->last_value = bay->ops->content(bay);
677 bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
678 bay->state = mb_empty;
679 do {
680 msleep(MB_POLL_DELAY);
681 media_bay_step(i);
682 } while((bay->state != mb_empty) &&
683 (bay->state != mb_up));
684
685
686 macio_set_drvdata(mdev, bay);
687
688
689 if (i == 0)
690 kthread_run(media_bay_task, NULL, "media-bay");
691
692 return 0;
693
694}
695
696static int media_bay_suspend(struct macio_dev *mdev, pm_message_t state)
697{
698 struct media_bay_info *bay = macio_get_drvdata(mdev);
699
700 if (state.event != mdev->ofdev.dev.power.power_state.event
701 && (state.event & PM_EVENT_SLEEP)) {
702 mutex_lock(&bay->lock);
703 bay->sleeping = 1;
704 set_mb_power(bay, 0);
705 mutex_unlock(&bay->lock);
706 msleep(MB_POLL_DELAY);
707 mdev->ofdev.dev.power.power_state = state;
708 }
709 return 0;
710}
711
712static int media_bay_resume(struct macio_dev *mdev)
713{
714 struct media_bay_info *bay = macio_get_drvdata(mdev);
715
716 if (mdev->ofdev.dev.power.power_state.event != PM_EVENT_ON) {
717 mdev->ofdev.dev.power.power_state = PMSG_ON;
718
719
720
721
722
723
724 mutex_lock(&bay->lock);
725 set_mb_power(bay, 0);
726 msleep(MB_POWER_DELAY);
727 if (bay->ops->content(bay) != bay->content_id) {
728 printk("mediabay%d: content changed during sleep...\n", bay->index);
729 mutex_unlock(&bay->lock);
730 return 0;
731 }
732 set_mb_power(bay, 1);
733 bay->last_value = bay->content_id;
734 bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
735 bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
736#ifdef CONFIG_BLK_DEV_IDE_PMAC
737 bay->cd_retry = 0;
738#endif
739 do {
740 msleep(MB_POLL_DELAY);
741 media_bay_step(bay->index);
742 } while((bay->state != mb_empty) &&
743 (bay->state != mb_up));
744 bay->sleeping = 0;
745 mutex_unlock(&bay->lock);
746 }
747 return 0;
748}
749
750
751
752
753static struct mb_ops ohare_mb_ops = {
754 .name = "Ohare",
755 .content = ohare_mb_content,
756 .power = ohare_mb_power,
757 .setup_bus = ohare_mb_setup_bus,
758 .un_reset = ohare_mb_un_reset,
759 .un_reset_ide = ohare_mb_un_reset_ide,
760};
761
762static struct mb_ops heathrow_mb_ops = {
763 .name = "Heathrow",
764 .content = heathrow_mb_content,
765 .power = heathrow_mb_power,
766 .setup_bus = heathrow_mb_setup_bus,
767 .un_reset = heathrow_mb_un_reset,
768 .un_reset_ide = heathrow_mb_un_reset_ide,
769};
770
771static struct mb_ops keylargo_mb_ops = {
772 .name = "KeyLargo",
773 .init = keylargo_mb_init,
774 .content = keylargo_mb_content,
775 .power = keylargo_mb_power,
776 .setup_bus = keylargo_mb_setup_bus,
777 .un_reset = keylargo_mb_un_reset,
778 .un_reset_ide = keylargo_mb_un_reset_ide,
779};
780
781
782
783
784
785
786
787
788
789
790static struct of_device_id media_bay_match[] =
791{
792 {
793 .name = "media-bay",
794 .compatible = "keylargo-media-bay",
795 .data = &keylargo_mb_ops,
796 },
797 {
798 .name = "media-bay",
799 .compatible = "heathrow-media-bay",
800 .data = &heathrow_mb_ops,
801 },
802 {
803 .name = "media-bay",
804 .compatible = "ohare-media-bay",
805 .data = &ohare_mb_ops,
806 },
807 {},
808};
809
810static struct macio_driver media_bay_driver =
811{
812 .name = "media-bay",
813 .match_table = media_bay_match,
814 .probe = media_bay_attach,
815 .suspend = media_bay_suspend,
816 .resume = media_bay_resume
817};
818
819static int __init media_bay_init(void)
820{
821 int i;
822
823 for (i=0; i<MAX_BAYS; i++) {
824 memset((char *)&media_bays[i], 0, sizeof(struct media_bay_info));
825 media_bays[i].content_id = -1;
826#ifdef CONFIG_BLK_DEV_IDE_PMAC
827 media_bays[i].cd_index = -1;
828#endif
829 }
830 if (!machine_is(powermac))
831 return 0;
832
833 macio_register_driver(&media_bay_driver);
834
835 return 0;
836}
837
838device_initcall(media_bay_init);
839