Root/drivers/macintosh/macio_asic.c

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

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