2 * platform_device.h - generic, centralized driver model
4 * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
6 * This file is released under the GPLv2
8 * See Documentation/driver-model/ for more information.
11 #ifndef _PLATFORM_DEVICE_H_
12 #define _PLATFORM_DEVICE_H_
14 #include <linux/device.h>
15 #include <linux/mod_devicetable.h>
17 struct platform_device {
22 struct resource * resource;
25 struct platform_device_id *id_entry;
28 #define platform_get_device_id(pdev) ((pdev)->id_entry)
30 #define to_platform_device(x) container_of((x), struct platform_device, dev)
32 extern int platform_device_register(struct platform_device *);
33 extern void platform_device_unregister(struct platform_device *);
35 extern struct bus_type platform_bus_type;
36 extern struct device platform_bus;
38 extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
39 extern int platform_get_irq(struct platform_device *, unsigned int);
40 extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
41 extern int platform_get_irq_byname(struct platform_device *, char *);
42 extern int platform_add_devices(struct platform_device **, int);
44 extern struct platform_device *platform_device_register_simple(const char *, int id,
45 struct resource *, unsigned int);
46 extern struct platform_device *platform_device_register_data(struct device *,
47 const char *, int, const void *, size_t);
49 extern struct platform_device *platform_device_alloc(const char *name, int id);
50 extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
51 extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
52 extern int platform_device_add(struct platform_device *pdev);
53 extern void platform_device_del(struct platform_device *pdev);
54 extern void platform_device_put(struct platform_device *pdev);
56 struct platform_driver {
57 int (*probe)(struct platform_device *);
58 int (*remove)(struct platform_device *);
59 void (*shutdown)(struct platform_device *);
60 int (*suspend)(struct platform_device *, pm_message_t state);
61 int (*suspend_late)(struct platform_device *, pm_message_t state);
62 int (*resume_early)(struct platform_device *);
63 int (*resume)(struct platform_device *);
64 struct device_driver driver;
65 struct platform_device_id *id_table;
68 extern int platform_driver_register(struct platform_driver *);
69 extern void platform_driver_unregister(struct platform_driver *);
71 /* non-hotpluggable platform devices may use this so that probe() and
72 * its support may live in __init sections, conserving runtime memory.
74 extern int platform_driver_probe(struct platform_driver *driver,
75 int (*probe)(struct platform_device *));
77 #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
78 #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
80 #endif /* _PLATFORM_DEVICE_H_ */