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linux
1/*
2 * platform_device.h - generic, centralized driver model
3 *
4 * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
5 *
6 * This file is released under the GPLv2
7 *
8 * See Documentation/driver-model/ for more information.
9 */
10
11#ifndef _PLATFORM_DEVICE_H_
12#define _PLATFORM_DEVICE_H_
13
14#include <linux/device.h>
15
16struct platform_device {
17 const char * name;
18 u32 id;
19 struct device dev;
20 u32 num_resources;
21 struct resource * resource;
22};
23
24#define to_platform_device(x) container_of((x), struct platform_device, dev)
25
26extern int platform_device_register(struct platform_device *);
27extern void platform_device_unregister(struct platform_device *);
28
29extern struct bus_type platform_bus_type;
30extern struct device platform_bus;
31
32extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
33extern int platform_get_irq(struct platform_device *, unsigned int);
34extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
35extern int platform_get_irq_byname(struct platform_device *, char *);
36extern int platform_add_devices(struct platform_device **, int);
37
38extern struct platform_device *platform_device_register_simple(char *, unsigned int, struct resource *, unsigned int);
39
40extern struct platform_device *platform_device_alloc(const char *name, unsigned int id);
41extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
42extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
43extern int platform_device_add(struct platform_device *pdev);
44extern void platform_device_del(struct platform_device *pdev);
45extern void platform_device_put(struct platform_device *pdev);
46
47struct platform_driver {
48 int (*probe)(struct platform_device *);
49 int (*remove)(struct platform_device *);
50 void (*shutdown)(struct platform_device *);
51 int (*suspend)(struct platform_device *, pm_message_t state);
52 int (*suspend_late)(struct platform_device *, pm_message_t state);
53 int (*resume_early)(struct platform_device *);
54 int (*resume)(struct platform_device *);
55 struct device_driver driver;
56};
57
58extern int platform_driver_register(struct platform_driver *);
59extern void platform_driver_unregister(struct platform_driver *);
60
61/* non-hotpluggable platform devices may use this so that probe() and
62 * its support may live in __init sections, conserving runtime memory.
63 */
64extern int platform_driver_probe(struct platform_driver *driver,
65 int (*probe)(struct platform_device *));
66
67#define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
68#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
69
70#endif /* _PLATFORM_DEVICE_H_ */