include/linux/of_platform.h

   1 #ifndef _LINUX_OF_PLATFORM_H
   2 #define _LINUX_OF_PLATFORM_H
   3 /*
   4  *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
   5  *                       <benh@kernel.crashing.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or
   8  *  modify it under the terms of the GNU General Public License
   9  *  as published by the Free Software Foundation; either version
  10  *  2 of the License, or (at your option) any later version.
  11  *
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/device.h>
  16 #include <linux/mod_devicetable.h>
  17 #include <linux/pm.h>
  18 #include <linux/of_device.h>
  19
  20 /*
  21  * The of_platform_bus_type is a bus type used by drivers that do not
  22  * attach to a macio or similar bus but still use OF probing
  23  * mechanism
  24  */
  25 extern struct bus_type of_platform_bus_type;
  26
  27 /*
  28  * An of_platform_driver driver is attached to a basic of_device on
  29  * the "platform bus" (of_platform_bus_type) (or ISA, EBUS and SBUS
  30  * busses on sparc).
  31  */
  32 struct of_platform_driver
  33 {
  34         const char              *name;
  35         const struct of_device_id       *match_table;
  36         struct module           *owner;
  37
  38         int     (*probe)(struct of_device* dev,
  39                          const struct of_device_id *match);
  40         int     (*remove)(struct of_device* dev);
  41
  42         int     (*suspend)(struct of_device* dev, pm_message_t state);
  43         int     (*resume)(struct of_device* dev);
  44         int     (*shutdown)(struct of_device* dev);
  45
  46         struct device_driver    driver;
  47 };
  48 #define to_of_platform_driver(drv) \
  49         container_of(drv,struct of_platform_driver, driver)
  50
  51 extern int of_register_driver(struct of_platform_driver *drv,
  52                               struct bus_type *bus);
  53 extern void of_unregister_driver(struct of_platform_driver *drv);
  54
  55 #include <asm/of_platform.h>
  56
  57 extern struct of_device *of_find_device_by_node(struct device_node *np);
  58
  59 extern int of_bus_type_init(struct bus_type *bus, const char *name);
  60
  61 #endif  /* _LINUX_OF_PLATFORM_H */