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1/*
2 * Bus & driver management routines for devices within
3 * a MacIO ASIC. Interface to new driver model mostly
4 * stolen from the PCI version.
5 *
6 * Copyright (C) 2005 Ben. Herrenschmidt (benh@kernel.crashing.org)
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 *
13 * TODO:
14 *
15 * - Don't probe below media bay by default, but instead provide
16 * some hooks for media bay to dynamically add/remove it's own
17 * sub-devices.
18 */
19
20#include <linux/string.h>
21#include <linux/kernel.h>
22#include <linux/pci.h>
23#include <linux/pci_ids.h>
24#include <linux/init.h>
25#include <linux/module.h>
26#include <linux/slab.h>
27#include <linux/of_address.h>
28#include <linux/of_irq.h>
29
30#include <asm/machdep.h>
31#include <asm/macio.h>
32#include <asm/pmac_feature.h>
33#include <asm/prom.h>
34
35#undef DEBUG
36
37#define MAX_NODE_NAME_SIZE (20 - 12)
38
39static struct macio_chip *macio_on_hold;
40
41static int macio_bus_match(struct device *dev, struct device_driver *drv)
42{
43 const struct of_device_id * matches = drv->of_match_table;
44
45 if (!matches)
46 return 0;
47
48 return of_match_device(matches, dev) != NULL;
49}
50
51struct macio_dev *macio_dev_get(struct macio_dev *dev)
52{
53 struct device *tmp;
54
55 if (!dev)
56 return NULL;
57 tmp = get_device(&dev->ofdev.dev);
58 if (tmp)
59 return to_macio_device(tmp);
60 else
61 return NULL;
62}
63
64void macio_dev_put(struct macio_dev *dev)
65{
66 if (dev)
67 put_device(&dev->ofdev.dev);
68}
69
70
71static int macio_device_probe(struct device *dev)
72{
73 int error = -ENODEV;
74 struct macio_driver *drv;
75 struct macio_dev *macio_dev;
76 const struct of_device_id *match;
77
78 drv = to_macio_driver(dev->driver);
79 macio_dev = to_macio_device(dev);
80
81 if (!drv->probe)
82 return error;
83
84 macio_dev_get(macio_dev);
85
86 match = of_match_device(drv->driver.of_match_table, dev);
87 if (match)
88 error = drv->probe(macio_dev, match);
89 if (error)
90 macio_dev_put(macio_dev);
91
92 return error;
93}
94
95static int macio_device_remove(struct device *dev)
96{
97 struct macio_dev * macio_dev = to_macio_device(dev);
98 struct macio_driver * drv = to_macio_driver(dev->driver);
99
100 if (dev->driver && drv->remove)
101 drv->remove(macio_dev);
102 macio_dev_put(macio_dev);
103
104 return 0;
105}
106
107static void macio_device_shutdown(struct device *dev)
108{
109 struct macio_dev * macio_dev = to_macio_device(dev);
110 struct macio_driver * drv = to_macio_driver(dev->driver);
111
112 if (dev->driver && drv->shutdown)
113 drv->shutdown(macio_dev);
114}
115
116static int macio_device_suspend(struct device *dev, pm_message_t state)
117{
118 struct macio_dev * macio_dev = to_macio_device(dev);
119 struct macio_driver * drv = to_macio_driver(dev->driver);
120
121 if (dev->driver && drv->suspend)
122 return drv->suspend(macio_dev, state);
123 return 0;
124}
125
126static int macio_device_resume(struct device * dev)
127{
128 struct macio_dev * macio_dev = to_macio_device(dev);
129 struct macio_driver * drv = to_macio_driver(dev->driver);
130
131 if (dev->driver && drv->resume)
132 return drv->resume(macio_dev);
133 return 0;
134}
135
136extern const struct attribute_group *macio_dev_groups[];
137
138struct bus_type macio_bus_type = {
139 .name = "macio",
140 .match = macio_bus_match,
141 .uevent = of_device_uevent_modalias,
142 .probe = macio_device_probe,
143 .remove = macio_device_remove,
144 .shutdown = macio_device_shutdown,
145 .suspend = macio_device_suspend,
146 .resume = macio_device_resume,
147 .dev_groups = macio_dev_groups,
148};
149
150static int __init macio_bus_driver_init(void)
151{
152 return bus_register(&macio_bus_type);
153}
154
155postcore_initcall(macio_bus_driver_init);
156
157
158/**
159 * macio_release_dev - free a macio device structure when all users of it are
160 * finished.
161 * @dev: device that's been disconnected
162 *
163 * Will be called only by the device core when all users of this macio device
164 * are done. This currently means never as we don't hot remove any macio
165 * device yet, though that will happen with mediabay based devices in a later
166 * implementation.
167 */
168static void macio_release_dev(struct device *dev)
169{
170 struct macio_dev *mdev;
171
172 mdev = to_macio_device(dev);
173 kfree(mdev);
174}
175
176/**
177 * macio_resource_quirks - tweak or skip some resources for a device
178 * @np: pointer to the device node
179 * @res: resulting resource
180 * @index: index of resource in node
181 *
182 * If this routine returns non-null, then the resource is completely
183 * skipped.
184 */
185static int macio_resource_quirks(struct device_node *np, struct resource *res,
186 int index)
187{
188 /* Only quirks for memory resources for now */
189 if ((res->flags & IORESOURCE_MEM) == 0)
190 return 0;
191
192 /* Grand Central has too large resource 0 on some machines */
193 if (index == 0 && of_node_name_eq(np, "gc"))
194 res->end = res->start + 0x1ffff;
195
196 /* Airport has bogus resource 2 */
197 if (index >= 2 && of_node_name_eq(np, "radio"))
198 return 1;
199
200#ifndef CONFIG_PPC64
201 /* DBDMAs may have bogus sizes */
202 if ((res->start & 0x0001f000) == 0x00008000)
203 res->end = res->start + 0xff;
204#endif /* CONFIG_PPC64 */
205
206 /* ESCC parent eats child resources. We could have added a
207 * level of hierarchy, but I don't really feel the need
208 * for it
209 */
210 if (of_node_name_eq(np, "escc"))
211 return 1;
212
213 /* ESCC has bogus resources >= 3 */
214 if (index >= 3 && (of_node_name_eq(np, "ch-a") ||
215 of_node_name_eq(np, "ch-b")))
216 return 1;
217
218 /* Media bay has too many resources, keep only first one */
219 if (index > 0 && of_node_name_eq(np, "media-bay"))
220 return 1;
221
222 /* Some older IDE resources have bogus sizes */
223 if (of_node_name_eq(np, "IDE") || of_node_name_eq(np, "ATA") ||
224 of_node_is_type(np, "ide") || of_node_is_type(np, "ata")) {
225 if (index == 0 && (res->end - res->start) > 0xfff)
226 res->end = res->start + 0xfff;
227 if (index == 1 && (res->end - res->start) > 0xff)
228 res->end = res->start + 0xff;
229 }
230 return 0;
231}
232
233static void macio_create_fixup_irq(struct macio_dev *dev, int index,
234 unsigned int line)
235{
236 unsigned int irq;
237
238 irq = irq_create_mapping(NULL, line);
239 if (!irq) {
240 dev->interrupt[index].start = irq;
241 dev->interrupt[index].flags = IORESOURCE_IRQ;
242 dev->interrupt[index].name = dev_name(&dev->ofdev.dev);
243 }
244 if (dev->n_interrupts <= index)
245 dev->n_interrupts = index + 1;
246}
247
248static void macio_add_missing_resources(struct macio_dev *dev)
249{
250 struct device_node *np = dev->ofdev.dev.of_node;
251 unsigned int irq_base;
252
253 /* Gatwick has some missing interrupts on child nodes */
254 if (dev->bus->chip->type != macio_gatwick)
255 return;
256
257 /* irq_base is always 64 on gatwick. I have no cleaner way to get
258 * that value from here at this point
259 */
260 irq_base = 64;
261
262 /* Fix SCC */
263 if (of_node_name_eq(np, "ch-a")) {
264 macio_create_fixup_irq(dev, 0, 15 + irq_base);
265 macio_create_fixup_irq(dev, 1, 4 + irq_base);
266 macio_create_fixup_irq(dev, 2, 5 + irq_base);
267 printk(KERN_INFO "macio: fixed SCC irqs on gatwick\n");
268 }
269
270 /* Fix media-bay */
271 if (of_node_name_eq(np, "media-bay")) {
272 macio_create_fixup_irq(dev, 0, 29 + irq_base);
273 printk(KERN_INFO "macio: fixed media-bay irq on gatwick\n");
274 }
275
276 /* Fix left media bay childs */
277 if (dev->media_bay != NULL && of_node_name_eq(np, "floppy")) {
278 macio_create_fixup_irq(dev, 0, 19 + irq_base);
279 macio_create_fixup_irq(dev, 1, 1 + irq_base);
280 printk(KERN_INFO "macio: fixed left floppy irqs\n");
281 }
282 if (dev->media_bay != NULL && of_node_name_eq(np, "ata4")) {
283 macio_create_fixup_irq(dev, 0, 14 + irq_base);
284 macio_create_fixup_irq(dev, 0, 3 + irq_base);
285 printk(KERN_INFO "macio: fixed left ide irqs\n");
286 }
287}
288
289static void macio_setup_interrupts(struct macio_dev *dev)
290{
291 struct device_node *np = dev->ofdev.dev.of_node;
292 unsigned int irq;
293 int i = 0, j = 0;
294
295 for (;;) {
296 struct resource *res;
297
298 if (j >= MACIO_DEV_COUNT_IRQS)
299 break;
300 res = &dev->interrupt[j];
301 irq = irq_of_parse_and_map(np, i++);
302 if (!irq)
303 break;
304 res->start = irq;
305 res->flags = IORESOURCE_IRQ;
306 res->name = dev_name(&dev->ofdev.dev);
307 if (macio_resource_quirks(np, res, i - 1)) {
308 memset(res, 0, sizeof(struct resource));
309 continue;
310 } else
311 j++;
312 }
313 dev->n_interrupts = j;
314}
315
316static void macio_setup_resources(struct macio_dev *dev,
317 struct resource *parent_res)
318{
319 struct device_node *np = dev->ofdev.dev.of_node;
320 struct resource r;
321 int index;
322
323 for (index = 0; of_address_to_resource(np, index, &r) == 0; index++) {
324 struct resource *res;
325 if (index >= MACIO_DEV_COUNT_RESOURCES)
326 break;
327 res = &dev->resource[index];
328 *res = r;
329 res->name = dev_name(&dev->ofdev.dev);
330
331 if (macio_resource_quirks(np, res, index)) {
332 memset(res, 0, sizeof(struct resource));
333 continue;
334 }
335 /* Currently, we consider failure as harmless, this may
336 * change in the future, once I've found all the device
337 * tree bugs in older machines & worked around them
338 */
339 if (insert_resource(parent_res, res)) {
340 printk(KERN_WARNING "Can't request resource "
341 "%d for MacIO device %s\n",
342 index, dev_name(&dev->ofdev.dev));
343 }
344 }
345 dev->n_resources = index;
346}
347
348/**
349 * macio_add_one_device - Add one device from OF node to the device tree
350 * @chip: pointer to the macio_chip holding the device
351 * @np: pointer to the device node in the OF tree
352 * @in_bay: set to 1 if device is part of a media-bay
353 *
354 * When media-bay is changed to hotswap drivers, this function will
355 * be exposed to the bay driver some way...
356 */
357static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
358 struct device *parent,
359 struct device_node *np,
360 struct macio_dev *in_bay,
361 struct resource *parent_res)
362{
363 char name[MAX_NODE_NAME_SIZE + 1];
364 struct macio_dev *dev;
365 const u32 *reg;
366
367 if (np == NULL)
368 return NULL;
369
370 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
371 if (!dev)
372 return NULL;
373
374 dev->bus = &chip->lbus;
375 dev->media_bay = in_bay;
376 dev->ofdev.dev.of_node = np;
377 dev->ofdev.archdata.dma_mask = 0xffffffffUL;
378 dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask;
379 dev->ofdev.dev.coherent_dma_mask = dev->ofdev.archdata.dma_mask;
380 dev->ofdev.dev.parent = parent;
381 dev->ofdev.dev.bus = &macio_bus_type;
382 dev->ofdev.dev.release = macio_release_dev;
383 dev->ofdev.dev.dma_parms = &dev->dma_parms;
384
385 /* Standard DMA paremeters */
386 dma_set_max_seg_size(&dev->ofdev.dev, 65536);
387 dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff);
388
389#ifdef CONFIG_PCI
390 /* Set the DMA ops to the ones from the PCI device, this could be
391 * fishy if we didn't know that on PowerMac it's always direct ops
392 * or iommu ops that will work fine
393 *
394 * To get all the fields, copy all archdata
395 */
396 dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata;
397 dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops;
398#endif /* CONFIG_PCI */
399
400#ifdef DEBUG
401 printk("preparing mdev @%p, ofdev @%p, dev @%p, kobj @%p\n",
402 dev, &dev->ofdev, &dev->ofdev.dev, &dev->ofdev.dev.kobj);
403#endif
404
405 /* MacIO itself has a different reg, we use it's PCI base */
406 snprintf(name, sizeof(name), "%pOFn", np);
407 if (np == chip->of_node) {
408 dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
409 chip->lbus.index,
410#ifdef CONFIG_PCI
411 (unsigned int)pci_resource_start(chip->lbus.pdev, 0),
412#else
413 0, /* NuBus may want to do something better here */
414#endif
415 MAX_NODE_NAME_SIZE, name);
416 } else {
417 reg = of_get_property(np, "reg", NULL);
418 dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
419 chip->lbus.index,
420 reg ? *reg : 0, MAX_NODE_NAME_SIZE, name);
421 }
422
423 /* Setup interrupts & resources */
424 macio_setup_interrupts(dev);
425 macio_setup_resources(dev, parent_res);
426 macio_add_missing_resources(dev);
427
428 /* Register with core */
429 if (of_device_register(&dev->ofdev) != 0) {
430 printk(KERN_DEBUG"macio: device registration error for %s!\n",
431 dev_name(&dev->ofdev.dev));
432 kfree(dev);
433 return NULL;
434 }
435
436 return dev;
437}
438
439static int macio_skip_device(struct device_node *np)
440{
441 return of_node_name_prefix(np, "battery") ||
442 of_node_name_prefix(np, "escc-legacy");
443}
444
445/**
446 * macio_pci_add_devices - Adds sub-devices of mac-io to the device tree
447 * @chip: pointer to the macio_chip holding the devices
448 *
449 * This function will do the job of extracting devices from the
450 * Open Firmware device tree, build macio_dev structures and add
451 * them to the Linux device tree.
452 *
453 * For now, childs of media-bay are added now as well. This will
454 * change rsn though.
455 */
456static void macio_pci_add_devices(struct macio_chip *chip)
457{
458 struct device_node *np, *pnode;
459 struct macio_dev *rdev, *mdev, *mbdev = NULL, *sdev = NULL;
460 struct device *parent = NULL;
461 struct resource *root_res = &iomem_resource;
462
463 /* Add a node for the macio bus itself */
464#ifdef CONFIG_PCI
465 if (chip->lbus.pdev) {
466 parent = &chip->lbus.pdev->dev;
467 root_res = &chip->lbus.pdev->resource[0];
468 }
469#endif
470 pnode = of_node_get(chip->of_node);
471 if (pnode == NULL)
472 return;
473
474 /* Add macio itself to hierarchy */
475 rdev = macio_add_one_device(chip, parent, pnode, NULL, root_res);
476 if (rdev == NULL)
477 return;
478 root_res = &rdev->resource[0];
479
480 /* First scan 1st level */
481 for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) {
482 if (macio_skip_device(np))
483 continue;
484 of_node_get(np);
485 mdev = macio_add_one_device(chip, &rdev->ofdev.dev, np, NULL,
486 root_res);
487 if (mdev == NULL)
488 of_node_put(np);
489 else if (of_node_name_prefix(np, "media-bay"))
490 mbdev = mdev;
491 else if (of_node_name_prefix(np, "escc"))
492 sdev = mdev;
493 }
494
495 /* Add media bay devices if any */
496 if (mbdev) {
497 pnode = mbdev->ofdev.dev.of_node;
498 for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) {
499 if (macio_skip_device(np))
500 continue;
501 of_node_get(np);
502 if (macio_add_one_device(chip, &mbdev->ofdev.dev, np,
503 mbdev, root_res) == NULL)
504 of_node_put(np);
505 }
506 }
507
508 /* Add serial ports if any */
509 if (sdev) {
510 pnode = sdev->ofdev.dev.of_node;
511 for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) {
512 if (macio_skip_device(np))
513 continue;
514 of_node_get(np);
515 if (macio_add_one_device(chip, &sdev->ofdev.dev, np,
516 NULL, root_res) == NULL)
517 of_node_put(np);
518 }
519 }
520}
521
522
523/**
524 * macio_register_driver - Registers a new MacIO device driver
525 * @drv: pointer to the driver definition structure
526 */
527int macio_register_driver(struct macio_driver *drv)
528{
529 /* initialize common driver fields */
530 drv->driver.bus = &macio_bus_type;
531
532 /* register with core */
533 return driver_register(&drv->driver);
534}
535
536/**
537 * macio_unregister_driver - Unregisters a new MacIO device driver
538 * @drv: pointer to the driver definition structure
539 */
540void macio_unregister_driver(struct macio_driver *drv)
541{
542 driver_unregister(&drv->driver);
543}
544
545/* Managed MacIO resources */
546struct macio_devres {
547 u32 res_mask;
548};
549
550static void maciom_release(struct device *gendev, void *res)
551{
552 struct macio_dev *dev = to_macio_device(gendev);
553 struct macio_devres *dr = res;
554 int i, max;
555
556 max = min(dev->n_resources, 32);
557 for (i = 0; i < max; i++) {
558 if (dr->res_mask & (1 << i))
559 macio_release_resource(dev, i);
560 }
561}
562
563int macio_enable_devres(struct macio_dev *dev)
564{
565 struct macio_devres *dr;
566
567 dr = devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL);
568 if (!dr) {
569 dr = devres_alloc(maciom_release, sizeof(*dr), GFP_KERNEL);
570 if (!dr)
571 return -ENOMEM;
572 }
573 return devres_get(&dev->ofdev.dev, dr, NULL, NULL) != NULL;
574}
575
576static struct macio_devres * find_macio_dr(struct macio_dev *dev)
577{
578 return devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL);
579}
580
581/**
582 * macio_request_resource - Request an MMIO resource
583 * @dev: pointer to the device holding the resource
584 * @resource_no: resource number to request
585 * @name: resource name
586 *
587 * Mark memory region number @resource_no associated with MacIO
588 * device @dev as being reserved by owner @name. Do not access
589 * any address inside the memory regions unless this call returns
590 * successfully.
591 *
592 * Returns 0 on success, or %EBUSY on error. A warning
593 * message is also printed on failure.
594 */
595int macio_request_resource(struct macio_dev *dev, int resource_no,
596 const char *name)
597{
598 struct macio_devres *dr = find_macio_dr(dev);
599
600 if (macio_resource_len(dev, resource_no) == 0)
601 return 0;
602
603 if (!request_mem_region(macio_resource_start(dev, resource_no),
604 macio_resource_len(dev, resource_no),
605 name))
606 goto err_out;
607
608 if (dr && resource_no < 32)
609 dr->res_mask |= 1 << resource_no;
610
611 return 0;
612
613err_out:
614 printk (KERN_WARNING "MacIO: Unable to reserve resource #%d:%lx@%lx"
615 " for device %s\n",
616 resource_no,
617 macio_resource_len(dev, resource_no),
618 macio_resource_start(dev, resource_no),
619 dev_name(&dev->ofdev.dev));
620 return -EBUSY;
621}
622
623/**
624 * macio_release_resource - Release an MMIO resource
625 * @dev: pointer to the device holding the resource
626 * @resource_no: resource number to release
627 */
628void macio_release_resource(struct macio_dev *dev, int resource_no)
629{
630 struct macio_devres *dr = find_macio_dr(dev);
631
632 if (macio_resource_len(dev, resource_no) == 0)
633 return;
634 release_mem_region(macio_resource_start(dev, resource_no),
635 macio_resource_len(dev, resource_no));
636 if (dr && resource_no < 32)
637 dr->res_mask &= ~(1 << resource_no);
638}
639
640/**
641 * macio_request_resources - Reserve all memory resources
642 * @dev: MacIO device whose resources are to be reserved
643 * @name: Name to be associated with resource.
644 *
645 * Mark all memory regions associated with MacIO device @dev as
646 * being reserved by owner @name. Do not access any address inside
647 * the memory regions unless this call returns successfully.
648 *
649 * Returns 0 on success, or %EBUSY on error. A warning
650 * message is also printed on failure.
651 */
652int macio_request_resources(struct macio_dev *dev, const char *name)
653{
654 int i;
655
656 for (i = 0; i < dev->n_resources; i++)
657 if (macio_request_resource(dev, i, name))
658 goto err_out;
659 return 0;
660
661err_out:
662 while(--i >= 0)
663 macio_release_resource(dev, i);
664
665 return -EBUSY;
666}
667
668/**
669 * macio_release_resources - Release reserved memory resources
670 * @dev: MacIO device whose resources were previously reserved
671 */
672
673void macio_release_resources(struct macio_dev *dev)
674{
675 int i;
676
677 for (i = 0; i < dev->n_resources; i++)
678 macio_release_resource(dev, i);
679}
680
681
682#ifdef CONFIG_PCI
683
684static int macio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
685{
686 struct device_node* np;
687 struct macio_chip* chip;
688
689 if (ent->vendor != PCI_VENDOR_ID_APPLE)
690 return -ENODEV;
691
692 /* Note regarding refcounting: We assume pci_device_to_OF_node() is
693 * ported to new OF APIs and returns a node with refcount incremented.
694 */
695 np = pci_device_to_OF_node(pdev);
696 if (np == NULL)
697 return -ENODEV;
698
699 /* The above assumption is wrong !!!
700 * fix that here for now until I fix the arch code
701 */
702 of_node_get(np);
703
704 /* We also assume that pmac_feature will have done a get() on nodes
705 * stored in the macio chips array
706 */
707 chip = macio_find(np, macio_unknown);
708 of_node_put(np);
709 if (chip == NULL)
710 return -ENODEV;
711
712 /* XXX Need locking ??? */
713 if (chip->lbus.pdev == NULL) {
714 chip->lbus.pdev = pdev;
715 chip->lbus.chip = chip;
716 pci_set_drvdata(pdev, &chip->lbus);
717 pci_set_master(pdev);
718 }
719
720 printk(KERN_INFO "MacIO PCI driver attached to %s chipset\n",
721 chip->name);
722
723 /*
724 * HACK ALERT: The WallStreet PowerBook and some OHare based machines
725 * have 2 macio ASICs. I must probe the "main" one first or IDE
726 * ordering will be incorrect. So I put on "hold" the second one since
727 * it seem to appear first on PCI
728 */
729 if (chip->type == macio_gatwick || chip->type == macio_ohareII)
730 if (macio_chips[0].lbus.pdev == NULL) {
731 macio_on_hold = chip;
732 return 0;
733 }
734
735 macio_pci_add_devices(chip);
736 if (macio_on_hold && macio_chips[0].lbus.pdev != NULL) {
737 macio_pci_add_devices(macio_on_hold);
738 macio_on_hold = NULL;
739 }
740
741 return 0;
742}
743
744static void macio_pci_remove(struct pci_dev* pdev)
745{
746 panic("removing of macio-asic not supported !\n");
747}
748
749/*
750 * MacIO is matched against any Apple ID, it's probe() function
751 * will then decide wether it applies or not
752 */
753static const struct pci_device_id pci_ids[] = { {
754 .vendor = PCI_VENDOR_ID_APPLE,
755 .device = PCI_ANY_ID,
756 .subvendor = PCI_ANY_ID,
757 .subdevice = PCI_ANY_ID,
758
759 }, { /* end: all zeroes */ }
760};
761MODULE_DEVICE_TABLE (pci, pci_ids);
762
763/* pci driver glue; this is a "new style" PCI driver module */
764static struct pci_driver macio_pci_driver = {
765 .name = (char *) "macio",
766 .id_table = pci_ids,
767
768 .probe = macio_pci_probe,
769 .remove = macio_pci_remove,
770};
771
772#endif /* CONFIG_PCI */
773
774static int __init macio_module_init (void)
775{
776#ifdef CONFIG_PCI
777 int rc;
778
779 rc = pci_register_driver(&macio_pci_driver);
780 if (rc)
781 return rc;
782#endif /* CONFIG_PCI */
783 return 0;
784}
785
786module_init(macio_module_init);
787
788EXPORT_SYMBOL(macio_register_driver);
789EXPORT_SYMBOL(macio_unregister_driver);
790EXPORT_SYMBOL(macio_dev_get);
791EXPORT_SYMBOL(macio_dev_put);
792EXPORT_SYMBOL(macio_request_resource);
793EXPORT_SYMBOL(macio_release_resource);
794EXPORT_SYMBOL(macio_request_resources);
795EXPORT_SYMBOL(macio_release_resources);
796EXPORT_SYMBOL(macio_enable_devres);
797
798

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