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791 lines
20 KiB
791 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Bus & driver management routines for devices within |
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* a MacIO ASIC. Interface to new driver model mostly |
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* stolen from the PCI version. |
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* |
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* Copyright (C) 2005 Ben. Herrenschmidt ([email protected]) |
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* |
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* TODO: |
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* |
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* - Don't probe below media bay by default, but instead provide |
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* some hooks for media bay to dynamically add/remove it's own |
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* sub-devices. |
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*/ |
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|
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#include <linux/string.h> |
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#include <linux/kernel.h> |
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#include <linux/pci.h> |
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#include <linux/pci_ids.h> |
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#include <linux/init.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/of_address.h> |
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#include <linux/of_irq.h> |
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#include <asm/machdep.h> |
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#include <asm/macio.h> |
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#include <asm/pmac_feature.h> |
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#include <asm/prom.h> |
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#undef DEBUG |
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#define MAX_NODE_NAME_SIZE (20 - 12) |
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static struct macio_chip *macio_on_hold; |
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static int macio_bus_match(struct device *dev, struct device_driver *drv) |
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{ |
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const struct of_device_id * matches = drv->of_match_table; |
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if (!matches) |
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return 0; |
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return of_match_device(matches, dev) != NULL; |
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} |
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struct macio_dev *macio_dev_get(struct macio_dev *dev) |
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{ |
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struct device *tmp; |
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if (!dev) |
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return NULL; |
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tmp = get_device(&dev->ofdev.dev); |
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if (tmp) |
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return to_macio_device(tmp); |
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else |
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return NULL; |
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} |
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void macio_dev_put(struct macio_dev *dev) |
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{ |
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if (dev) |
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put_device(&dev->ofdev.dev); |
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} |
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static int macio_device_probe(struct device *dev) |
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{ |
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int error = -ENODEV; |
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struct macio_driver *drv; |
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struct macio_dev *macio_dev; |
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const struct of_device_id *match; |
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drv = to_macio_driver(dev->driver); |
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macio_dev = to_macio_device(dev); |
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if (!drv->probe) |
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return error; |
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macio_dev_get(macio_dev); |
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match = of_match_device(drv->driver.of_match_table, dev); |
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if (match) |
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error = drv->probe(macio_dev, match); |
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if (error) |
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macio_dev_put(macio_dev); |
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return error; |
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} |
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static void macio_device_remove(struct device *dev) |
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{ |
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struct macio_dev * macio_dev = to_macio_device(dev); |
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struct macio_driver * drv = to_macio_driver(dev->driver); |
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if (dev->driver && drv->remove) |
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drv->remove(macio_dev); |
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macio_dev_put(macio_dev); |
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} |
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static void macio_device_shutdown(struct device *dev) |
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{ |
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struct macio_dev * macio_dev = to_macio_device(dev); |
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struct macio_driver * drv = to_macio_driver(dev->driver); |
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if (dev->driver && drv->shutdown) |
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drv->shutdown(macio_dev); |
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} |
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static int macio_device_suspend(struct device *dev, pm_message_t state) |
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{ |
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struct macio_dev * macio_dev = to_macio_device(dev); |
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struct macio_driver * drv = to_macio_driver(dev->driver); |
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if (dev->driver && drv->suspend) |
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return drv->suspend(macio_dev, state); |
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return 0; |
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} |
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static int macio_device_resume(struct device * dev) |
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{ |
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struct macio_dev * macio_dev = to_macio_device(dev); |
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struct macio_driver * drv = to_macio_driver(dev->driver); |
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if (dev->driver && drv->resume) |
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return drv->resume(macio_dev); |
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return 0; |
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} |
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extern const struct attribute_group *macio_dev_groups[]; |
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struct bus_type macio_bus_type = { |
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.name = "macio", |
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.match = macio_bus_match, |
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.uevent = of_device_uevent_modalias, |
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.probe = macio_device_probe, |
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.remove = macio_device_remove, |
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.shutdown = macio_device_shutdown, |
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.suspend = macio_device_suspend, |
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.resume = macio_device_resume, |
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.dev_groups = macio_dev_groups, |
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}; |
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static int __init macio_bus_driver_init(void) |
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{ |
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return bus_register(&macio_bus_type); |
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} |
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postcore_initcall(macio_bus_driver_init); |
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/** |
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* macio_release_dev - free a macio device structure when all users of it are |
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* finished. |
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* @dev: device that's been disconnected |
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* |
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* Will be called only by the device core when all users of this macio device |
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* are done. This currently means never as we don't hot remove any macio |
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* device yet, though that will happen with mediabay based devices in a later |
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* implementation. |
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*/ |
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static void macio_release_dev(struct device *dev) |
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{ |
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struct macio_dev *mdev; |
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mdev = to_macio_device(dev); |
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kfree(mdev); |
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} |
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/** |
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* macio_resource_quirks - tweak or skip some resources for a device |
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* @np: pointer to the device node |
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* @res: resulting resource |
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* @index: index of resource in node |
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* |
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* If this routine returns non-null, then the resource is completely |
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* skipped. |
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*/ |
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static int macio_resource_quirks(struct device_node *np, struct resource *res, |
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int index) |
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{ |
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/* Only quirks for memory resources for now */ |
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if ((res->flags & IORESOURCE_MEM) == 0) |
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return 0; |
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/* Grand Central has too large resource 0 on some machines */ |
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if (index == 0 && of_node_name_eq(np, "gc")) |
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res->end = res->start + 0x1ffff; |
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/* Airport has bogus resource 2 */ |
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if (index >= 2 && of_node_name_eq(np, "radio")) |
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return 1; |
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#ifndef CONFIG_PPC64 |
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/* DBDMAs may have bogus sizes */ |
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if ((res->start & 0x0001f000) == 0x00008000) |
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res->end = res->start + 0xff; |
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#endif /* CONFIG_PPC64 */ |
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/* ESCC parent eats child resources. We could have added a |
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* level of hierarchy, but I don't really feel the need |
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* for it |
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*/ |
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if (of_node_name_eq(np, "escc")) |
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return 1; |
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/* ESCC has bogus resources >= 3 */ |
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if (index >= 3 && (of_node_name_eq(np, "ch-a") || |
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of_node_name_eq(np, "ch-b"))) |
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return 1; |
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/* Media bay has too many resources, keep only first one */ |
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if (index > 0 && of_node_name_eq(np, "media-bay")) |
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return 1; |
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/* Some older IDE resources have bogus sizes */ |
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if (of_node_name_eq(np, "IDE") || of_node_name_eq(np, "ATA") || |
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of_node_is_type(np, "ide") || of_node_is_type(np, "ata")) { |
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if (index == 0 && (res->end - res->start) > 0xfff) |
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res->end = res->start + 0xfff; |
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if (index == 1 && (res->end - res->start) > 0xff) |
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res->end = res->start + 0xff; |
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} |
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return 0; |
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} |
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static void macio_create_fixup_irq(struct macio_dev *dev, int index, |
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unsigned int line) |
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{ |
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unsigned int irq; |
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irq = irq_create_mapping(NULL, line); |
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if (!irq) { |
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dev->interrupt[index].start = irq; |
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dev->interrupt[index].flags = IORESOURCE_IRQ; |
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dev->interrupt[index].name = dev_name(&dev->ofdev.dev); |
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} |
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if (dev->n_interrupts <= index) |
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dev->n_interrupts = index + 1; |
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} |
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static void macio_add_missing_resources(struct macio_dev *dev) |
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{ |
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struct device_node *np = dev->ofdev.dev.of_node; |
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unsigned int irq_base; |
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/* Gatwick has some missing interrupts on child nodes */ |
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if (dev->bus->chip->type != macio_gatwick) |
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return; |
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/* irq_base is always 64 on gatwick. I have no cleaner way to get |
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* that value from here at this point |
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*/ |
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irq_base = 64; |
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/* Fix SCC */ |
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if (of_node_name_eq(np, "ch-a")) { |
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macio_create_fixup_irq(dev, 0, 15 + irq_base); |
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macio_create_fixup_irq(dev, 1, 4 + irq_base); |
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macio_create_fixup_irq(dev, 2, 5 + irq_base); |
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printk(KERN_INFO "macio: fixed SCC irqs on gatwick\n"); |
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} |
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/* Fix media-bay */ |
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if (of_node_name_eq(np, "media-bay")) { |
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macio_create_fixup_irq(dev, 0, 29 + irq_base); |
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printk(KERN_INFO "macio: fixed media-bay irq on gatwick\n"); |
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} |
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/* Fix left media bay childs */ |
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if (dev->media_bay != NULL && of_node_name_eq(np, "floppy")) { |
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macio_create_fixup_irq(dev, 0, 19 + irq_base); |
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macio_create_fixup_irq(dev, 1, 1 + irq_base); |
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printk(KERN_INFO "macio: fixed left floppy irqs\n"); |
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} |
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if (dev->media_bay != NULL && of_node_name_eq(np, "ata4")) { |
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macio_create_fixup_irq(dev, 0, 14 + irq_base); |
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macio_create_fixup_irq(dev, 0, 3 + irq_base); |
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printk(KERN_INFO "macio: fixed left ide irqs\n"); |
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} |
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} |
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static void macio_setup_interrupts(struct macio_dev *dev) |
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{ |
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struct device_node *np = dev->ofdev.dev.of_node; |
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unsigned int irq; |
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int i = 0, j = 0; |
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for (;;) { |
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struct resource *res; |
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if (j >= MACIO_DEV_COUNT_IRQS) |
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break; |
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res = &dev->interrupt[j]; |
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irq = irq_of_parse_and_map(np, i++); |
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if (!irq) |
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break; |
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res->start = irq; |
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res->flags = IORESOURCE_IRQ; |
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res->name = dev_name(&dev->ofdev.dev); |
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if (macio_resource_quirks(np, res, i - 1)) { |
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memset(res, 0, sizeof(struct resource)); |
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continue; |
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} else |
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j++; |
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} |
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dev->n_interrupts = j; |
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} |
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static void macio_setup_resources(struct macio_dev *dev, |
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struct resource *parent_res) |
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{ |
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struct device_node *np = dev->ofdev.dev.of_node; |
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struct resource r; |
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int index; |
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for (index = 0; of_address_to_resource(np, index, &r) == 0; index++) { |
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struct resource *res; |
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if (index >= MACIO_DEV_COUNT_RESOURCES) |
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break; |
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res = &dev->resource[index]; |
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*res = r; |
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res->name = dev_name(&dev->ofdev.dev); |
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if (macio_resource_quirks(np, res, index)) { |
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memset(res, 0, sizeof(struct resource)); |
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continue; |
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} |
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/* Currently, we consider failure as harmless, this may |
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* change in the future, once I've found all the device |
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* tree bugs in older machines & worked around them |
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*/ |
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if (insert_resource(parent_res, res)) { |
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printk(KERN_WARNING "Can't request resource " |
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"%d for MacIO device %s\n", |
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index, dev_name(&dev->ofdev.dev)); |
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} |
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} |
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dev->n_resources = index; |
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} |
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/** |
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* macio_add_one_device - Add one device from OF node to the device tree |
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* @chip: pointer to the macio_chip holding the device |
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* @np: pointer to the device node in the OF tree |
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* @in_bay: set to 1 if device is part of a media-bay |
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* |
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* When media-bay is changed to hotswap drivers, this function will |
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* be exposed to the bay driver some way... |
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*/ |
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static struct macio_dev * macio_add_one_device(struct macio_chip *chip, |
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struct device *parent, |
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struct device_node *np, |
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struct macio_dev *in_bay, |
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struct resource *parent_res) |
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{ |
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char name[MAX_NODE_NAME_SIZE + 1]; |
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struct macio_dev *dev; |
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const u32 *reg; |
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if (np == NULL) |
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return NULL; |
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dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
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if (!dev) |
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return NULL; |
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dev->bus = &chip->lbus; |
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dev->media_bay = in_bay; |
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dev->ofdev.dev.of_node = np; |
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dev->ofdev.archdata.dma_mask = 0xffffffffUL; |
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dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask; |
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dev->ofdev.dev.coherent_dma_mask = dev->ofdev.archdata.dma_mask; |
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dev->ofdev.dev.parent = parent; |
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dev->ofdev.dev.bus = &macio_bus_type; |
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dev->ofdev.dev.release = macio_release_dev; |
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dev->ofdev.dev.dma_parms = &dev->dma_parms; |
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/* Standard DMA paremeters */ |
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dma_set_max_seg_size(&dev->ofdev.dev, 65536); |
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dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff); |
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#if defined(CONFIG_PCI) && defined(CONFIG_DMA_OPS) |
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/* Set the DMA ops to the ones from the PCI device, this could be |
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* fishy if we didn't know that on PowerMac it's always direct ops |
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* or iommu ops that will work fine |
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* |
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* To get all the fields, copy all archdata |
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*/ |
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dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata; |
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dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops; |
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#endif /* CONFIG_PCI && CONFIG_DMA_OPS */ |
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#ifdef DEBUG |
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printk("preparing mdev @%p, ofdev @%p, dev @%p, kobj @%p\n", |
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dev, &dev->ofdev, &dev->ofdev.dev, &dev->ofdev.dev.kobj); |
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#endif |
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/* MacIO itself has a different reg, we use it's PCI base */ |
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snprintf(name, sizeof(name), "%pOFn", np); |
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if (np == chip->of_node) { |
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dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s", |
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chip->lbus.index, |
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#ifdef CONFIG_PCI |
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(unsigned int)pci_resource_start(chip->lbus.pdev, 0), |
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#else |
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0, /* NuBus may want to do something better here */ |
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#endif |
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MAX_NODE_NAME_SIZE, name); |
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} else { |
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reg = of_get_property(np, "reg", NULL); |
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dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s", |
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chip->lbus.index, |
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reg ? *reg : 0, MAX_NODE_NAME_SIZE, name); |
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} |
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/* Setup interrupts & resources */ |
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macio_setup_interrupts(dev); |
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macio_setup_resources(dev, parent_res); |
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macio_add_missing_resources(dev); |
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/* Register with core */ |
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if (of_device_register(&dev->ofdev) != 0) { |
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printk(KERN_DEBUG"macio: device registration error for %s!\n", |
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dev_name(&dev->ofdev.dev)); |
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kfree(dev); |
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return NULL; |
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} |
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return dev; |
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} |
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static int macio_skip_device(struct device_node *np) |
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{ |
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return of_node_name_prefix(np, "battery") || |
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of_node_name_prefix(np, "escc-legacy"); |
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} |
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|
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/** |
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* macio_pci_add_devices - Adds sub-devices of mac-io to the device tree |
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* @chip: pointer to the macio_chip holding the devices |
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* |
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* This function will do the job of extracting devices from the |
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* Open Firmware device tree, build macio_dev structures and add |
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* them to the Linux device tree. |
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* |
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* For now, childs of media-bay are added now as well. This will |
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* change rsn though. |
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*/ |
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static void macio_pci_add_devices(struct macio_chip *chip) |
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{ |
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struct device_node *np, *pnode; |
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struct macio_dev *rdev, *mdev, *mbdev = NULL, *sdev = NULL; |
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struct device *parent = NULL; |
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struct resource *root_res = &iomem_resource; |
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/* Add a node for the macio bus itself */ |
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#ifdef CONFIG_PCI |
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if (chip->lbus.pdev) { |
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parent = &chip->lbus.pdev->dev; |
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root_res = &chip->lbus.pdev->resource[0]; |
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} |
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#endif |
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pnode = of_node_get(chip->of_node); |
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if (pnode == NULL) |
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return; |
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|
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/* Add macio itself to hierarchy */ |
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rdev = macio_add_one_device(chip, parent, pnode, NULL, root_res); |
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if (rdev == NULL) |
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return; |
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root_res = &rdev->resource[0]; |
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|
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/* First scan 1st level */ |
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for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { |
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if (macio_skip_device(np)) |
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continue; |
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of_node_get(np); |
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mdev = macio_add_one_device(chip, &rdev->ofdev.dev, np, NULL, |
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root_res); |
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if (mdev == NULL) |
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of_node_put(np); |
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else if (of_node_name_prefix(np, "media-bay")) |
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mbdev = mdev; |
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else if (of_node_name_prefix(np, "escc")) |
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sdev = mdev; |
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} |
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|
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/* Add media bay devices if any */ |
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if (mbdev) { |
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pnode = mbdev->ofdev.dev.of_node; |
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for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { |
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if (macio_skip_device(np)) |
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continue; |
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of_node_get(np); |
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if (macio_add_one_device(chip, &mbdev->ofdev.dev, np, |
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mbdev, root_res) == NULL) |
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of_node_put(np); |
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} |
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} |
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|
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/* Add serial ports if any */ |
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if (sdev) { |
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pnode = sdev->ofdev.dev.of_node; |
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for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { |
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if (macio_skip_device(np)) |
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continue; |
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of_node_get(np); |
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if (macio_add_one_device(chip, &sdev->ofdev.dev, np, |
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NULL, root_res) == NULL) |
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of_node_put(np); |
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} |
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} |
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} |
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|
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/** |
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* macio_register_driver - Registers a new MacIO device driver |
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* @drv: pointer to the driver definition structure |
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*/ |
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int macio_register_driver(struct macio_driver *drv) |
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{ |
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/* initialize common driver fields */ |
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drv->driver.bus = &macio_bus_type; |
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|
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/* register with core */ |
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return driver_register(&drv->driver); |
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} |
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|
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/** |
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* macio_unregister_driver - Unregisters a new MacIO device driver |
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* @drv: pointer to the driver definition structure |
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*/ |
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void macio_unregister_driver(struct macio_driver *drv) |
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{ |
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driver_unregister(&drv->driver); |
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} |
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|
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/* Managed MacIO resources */ |
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struct macio_devres { |
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u32 res_mask; |
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}; |
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|
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static void maciom_release(struct device *gendev, void *res) |
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{ |
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struct macio_dev *dev = to_macio_device(gendev); |
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struct macio_devres *dr = res; |
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int i, max; |
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|
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max = min(dev->n_resources, 32); |
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for (i = 0; i < max; i++) { |
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if (dr->res_mask & (1 << i)) |
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macio_release_resource(dev, i); |
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} |
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} |
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|
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int macio_enable_devres(struct macio_dev *dev) |
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{ |
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struct macio_devres *dr; |
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|
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dr = devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL); |
|
if (!dr) { |
|
dr = devres_alloc(maciom_release, sizeof(*dr), GFP_KERNEL); |
|
if (!dr) |
|
return -ENOMEM; |
|
} |
|
return devres_get(&dev->ofdev.dev, dr, NULL, NULL) != NULL; |
|
} |
|
|
|
static struct macio_devres * find_macio_dr(struct macio_dev *dev) |
|
{ |
|
return devres_find(&dev->ofdev.dev, maciom_release, NULL, NULL); |
|
} |
|
|
|
/** |
|
* macio_request_resource - Request an MMIO resource |
|
* @dev: pointer to the device holding the resource |
|
* @resource_no: resource number to request |
|
* @name: resource name |
|
* |
|
* Mark memory region number @resource_no associated with MacIO |
|
* device @dev as being reserved by owner @name. Do not access |
|
* any address inside the memory regions unless this call returns |
|
* successfully. |
|
* |
|
* Returns 0 on success, or %EBUSY on error. A warning |
|
* message is also printed on failure. |
|
*/ |
|
int macio_request_resource(struct macio_dev *dev, int resource_no, |
|
const char *name) |
|
{ |
|
struct macio_devres *dr = find_macio_dr(dev); |
|
|
|
if (macio_resource_len(dev, resource_no) == 0) |
|
return 0; |
|
|
|
if (!request_mem_region(macio_resource_start(dev, resource_no), |
|
macio_resource_len(dev, resource_no), |
|
name)) |
|
goto err_out; |
|
|
|
if (dr && resource_no < 32) |
|
dr->res_mask |= 1 << resource_no; |
|
|
|
return 0; |
|
|
|
err_out: |
|
printk (KERN_WARNING "MacIO: Unable to reserve resource #%d:%lx@%lx" |
|
" for device %s\n", |
|
resource_no, |
|
macio_resource_len(dev, resource_no), |
|
macio_resource_start(dev, resource_no), |
|
dev_name(&dev->ofdev.dev)); |
|
return -EBUSY; |
|
} |
|
|
|
/** |
|
* macio_release_resource - Release an MMIO resource |
|
* @dev: pointer to the device holding the resource |
|
* @resource_no: resource number to release |
|
*/ |
|
void macio_release_resource(struct macio_dev *dev, int resource_no) |
|
{ |
|
struct macio_devres *dr = find_macio_dr(dev); |
|
|
|
if (macio_resource_len(dev, resource_no) == 0) |
|
return; |
|
release_mem_region(macio_resource_start(dev, resource_no), |
|
macio_resource_len(dev, resource_no)); |
|
if (dr && resource_no < 32) |
|
dr->res_mask &= ~(1 << resource_no); |
|
} |
|
|
|
/** |
|
* macio_request_resources - Reserve all memory resources |
|
* @dev: MacIO device whose resources are to be reserved |
|
* @name: Name to be associated with resource. |
|
* |
|
* Mark all memory regions associated with MacIO device @dev as |
|
* being reserved by owner @name. Do not access any address inside |
|
* the memory regions unless this call returns successfully. |
|
* |
|
* Returns 0 on success, or %EBUSY on error. A warning |
|
* message is also printed on failure. |
|
*/ |
|
int macio_request_resources(struct macio_dev *dev, const char *name) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < dev->n_resources; i++) |
|
if (macio_request_resource(dev, i, name)) |
|
goto err_out; |
|
return 0; |
|
|
|
err_out: |
|
while(--i >= 0) |
|
macio_release_resource(dev, i); |
|
|
|
return -EBUSY; |
|
} |
|
|
|
/** |
|
* macio_release_resources - Release reserved memory resources |
|
* @dev: MacIO device whose resources were previously reserved |
|
*/ |
|
|
|
void macio_release_resources(struct macio_dev *dev) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < dev->n_resources; i++) |
|
macio_release_resource(dev, i); |
|
} |
|
|
|
|
|
#ifdef CONFIG_PCI |
|
|
|
static int macio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
|
{ |
|
struct device_node* np; |
|
struct macio_chip* chip; |
|
|
|
if (ent->vendor != PCI_VENDOR_ID_APPLE) |
|
return -ENODEV; |
|
|
|
/* Note regarding refcounting: We assume pci_device_to_OF_node() is |
|
* ported to new OF APIs and returns a node with refcount incremented. |
|
*/ |
|
np = pci_device_to_OF_node(pdev); |
|
if (np == NULL) |
|
return -ENODEV; |
|
|
|
/* The above assumption is wrong !!! |
|
* fix that here for now until I fix the arch code |
|
*/ |
|
of_node_get(np); |
|
|
|
/* We also assume that pmac_feature will have done a get() on nodes |
|
* stored in the macio chips array |
|
*/ |
|
chip = macio_find(np, macio_unknown); |
|
of_node_put(np); |
|
if (chip == NULL) |
|
return -ENODEV; |
|
|
|
/* XXX Need locking ??? */ |
|
if (chip->lbus.pdev == NULL) { |
|
chip->lbus.pdev = pdev; |
|
chip->lbus.chip = chip; |
|
pci_set_drvdata(pdev, &chip->lbus); |
|
pci_set_master(pdev); |
|
} |
|
|
|
printk(KERN_INFO "MacIO PCI driver attached to %s chipset\n", |
|
chip->name); |
|
|
|
/* |
|
* HACK ALERT: The WallStreet PowerBook and some OHare based machines |
|
* have 2 macio ASICs. I must probe the "main" one first or IDE |
|
* ordering will be incorrect. So I put on "hold" the second one since |
|
* it seem to appear first on PCI |
|
*/ |
|
if (chip->type == macio_gatwick || chip->type == macio_ohareII) |
|
if (macio_chips[0].lbus.pdev == NULL) { |
|
macio_on_hold = chip; |
|
return 0; |
|
} |
|
|
|
macio_pci_add_devices(chip); |
|
if (macio_on_hold && macio_chips[0].lbus.pdev != NULL) { |
|
macio_pci_add_devices(macio_on_hold); |
|
macio_on_hold = NULL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void macio_pci_remove(struct pci_dev* pdev) |
|
{ |
|
panic("removing of macio-asic not supported !\n"); |
|
} |
|
|
|
/* |
|
* MacIO is matched against any Apple ID, it's probe() function |
|
* will then decide wether it applies or not |
|
*/ |
|
static const struct pci_device_id pci_ids[] = { { |
|
.vendor = PCI_VENDOR_ID_APPLE, |
|
.device = PCI_ANY_ID, |
|
.subvendor = PCI_ANY_ID, |
|
.subdevice = PCI_ANY_ID, |
|
|
|
}, { /* end: all zeroes */ } |
|
}; |
|
MODULE_DEVICE_TABLE (pci, pci_ids); |
|
|
|
/* pci driver glue; this is a "new style" PCI driver module */ |
|
static struct pci_driver macio_pci_driver = { |
|
.name = (char *) "macio", |
|
.id_table = pci_ids, |
|
|
|
.probe = macio_pci_probe, |
|
.remove = macio_pci_remove, |
|
}; |
|
|
|
#endif /* CONFIG_PCI */ |
|
|
|
static int __init macio_module_init (void) |
|
{ |
|
#ifdef CONFIG_PCI |
|
int rc; |
|
|
|
rc = pci_register_driver(&macio_pci_driver); |
|
if (rc) |
|
return rc; |
|
#endif /* CONFIG_PCI */ |
|
return 0; |
|
} |
|
|
|
module_init(macio_module_init); |
|
|
|
EXPORT_SYMBOL(macio_register_driver); |
|
EXPORT_SYMBOL(macio_unregister_driver); |
|
EXPORT_SYMBOL(macio_dev_get); |
|
EXPORT_SYMBOL(macio_dev_put); |
|
EXPORT_SYMBOL(macio_request_resource); |
|
EXPORT_SYMBOL(macio_release_resource); |
|
EXPORT_SYMBOL(macio_request_resources); |
|
EXPORT_SYMBOL(macio_release_resources); |
|
EXPORT_SYMBOL(macio_enable_devres); |
|
|
|
|