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Paul Mackerras2e686bc2005-10-06 13:22:17 +10001#ifndef _ASM_POWERPC_OF_DEVICE_H
2#define _ASM_POWERPC_OF_DEVICE_H
Arnd Bergmann88ced032005-12-16 22:43:46 +01003#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
5#include <linux/device.h>
Benjamin Herrenschmidt0365ba72005-09-22 21:44:06 -07006#include <linux/mod_devicetable.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#include <asm/prom.h>
8
9/*
10 * The of_platform_bus_type is a bus type used by drivers that do not
11 * attach to a macio or similar bus but still use OF probing
Adrian Bunkb3c2ffd2006-06-30 18:20:44 +020012 * mechanism
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 */
14extern struct bus_type of_platform_bus_type;
15
16/*
17 * The of_device is a kind of "base class" that is a superset of
18 * struct device for use by devices attached to an OF node and
19 * probed using OF properties
20 */
21struct of_device
22{
23 struct device_node *node; /* OF device node */
24 u64 dma_mask; /* DMA mask */
25 struct device dev; /* Generic device interface */
26};
27#define to_of_device(d) container_of(d, struct of_device, dev)
28
Jeff Mahoney5e655772005-07-06 15:44:41 -040029extern const struct of_device_id *of_match_device(
30 const struct of_device_id *matches, const struct of_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
32extern struct of_device *of_dev_get(struct of_device *dev);
33extern void of_dev_put(struct of_device *dev);
34
35/*
36 * An of_platform_driver driver is attached to a basic of_device on
37 * the "platform bus" (of_platform_bus_type)
38 */
39struct of_platform_driver
40{
41 char *name;
Jeff Mahoney5e655772005-07-06 15:44:41 -040042 struct of_device_id *match_table;
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 struct module *owner;
44
Jeff Mahoney5e655772005-07-06 15:44:41 -040045 int (*probe)(struct of_device* dev, const struct of_device_id *match);
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 int (*remove)(struct of_device* dev);
47
Pavel Machekb1c42852005-04-16 15:25:34 -070048 int (*suspend)(struct of_device* dev, pm_message_t state);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 int (*resume)(struct of_device* dev);
50 int (*shutdown)(struct of_device* dev);
51
52 struct device_driver driver;
53};
54#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
55
56extern int of_register_driver(struct of_platform_driver *drv);
57extern void of_unregister_driver(struct of_platform_driver *drv);
58extern int of_device_register(struct of_device *ofdev);
59extern void of_device_unregister(struct of_device *ofdev);
Benjamin Herrenschmidt0365ba72005-09-22 21:44:06 -070060extern struct of_device *of_platform_device_create(struct device_node *np,
61 const char *bus_id,
62 struct device *parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -070063extern void of_release_dev(struct device *dev);
64
Arnd Bergmann88ced032005-12-16 22:43:46 +010065#endif /* __KERNEL__ */
Paul Mackerras2e686bc2005-10-06 13:22:17 +100066#endif /* _ASM_POWERPC_OF_DEVICE_H */