Linux kernel mirror (for testing)
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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#include <linux/mod_devicetable.h>
16
17struct platform_device {
18 const char * name;
19 int id;
20 struct device dev;
21 u32 num_resources;
22 struct resource * resource;
23 void *platform_data;
24
25 struct platform_device_id *id_entry;
26};
27
28#define platform_get_device_id(pdev) ((pdev)->id_entry)
29
30#define to_platform_device(x) container_of((x), struct platform_device, dev)
31
32extern int platform_device_register(struct platform_device *);
33extern void platform_device_unregister(struct platform_device *);
34
35extern struct bus_type platform_bus_type;
36extern struct device platform_bus;
37
38extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
39extern int platform_get_irq(struct platform_device *, unsigned int);
40extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
41extern int platform_get_irq_byname(struct platform_device *, char *);
42extern int platform_add_devices(struct platform_device **, int);
43
44extern struct platform_device *platform_device_register_simple(const char *, int id,
45 struct resource *, unsigned int);
46extern struct platform_device *platform_device_register_data(struct device *,
47 const char *, int, const void *, size_t);
48
49extern struct platform_device *platform_device_alloc(const char *name, int id);
50extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
51extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
52extern int platform_device_add(struct platform_device *pdev);
53extern void platform_device_del(struct platform_device *pdev);
54extern void platform_device_put(struct platform_device *pdev);
55
56struct 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;
66};
67
68extern int platform_driver_register(struct platform_driver *);
69extern void platform_driver_unregister(struct platform_driver *);
70
71/* non-hotpluggable platform devices may use this so that probe() and
72 * its support may live in __init sections, conserving runtime memory.
73 */
74extern int platform_driver_probe(struct platform_driver *driver,
75 int (*probe)(struct platform_device *));
76
77#define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
78#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
79
80#endif /* _PLATFORM_DEVICE_H_ */