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