include/linux/platform_device.h

   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
  17 struct 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
  32 extern int platform_device_register(struct platform_device *);
  33 extern void platform_device_unregister(struct platform_device *);
  34
  35 extern struct bus_type platform_bus_type;
  36 extern struct device platform_bus;
  37
  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);
  43
  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);
  48
  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);
  55
  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;
  66 };
  67
  68 extern int platform_driver_register(struct platform_driver *);
  69 extern 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  */
  74 extern 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_ */