1 #ifndef _LINUX_OF_PLATFORM_H 2 #define _LINUX_OF_PLATFORM_H 3 /* 4 * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. 5 * <[email protected]> 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 #ifdef CONFIG_OF_DEVICE 15 #include <linux/module.h> 16 #include <linux/device.h> 17 #include <linux/mod_devicetable.h> 18 #include <linux/pm.h> 19 #include <linux/of_device.h> 20 21 /* 22 * The of_platform_bus_type is a bus type used by drivers that do not 23 * attach to a macio or similar bus but still use OF probing 24 * mechanism 25 */ 26 extern struct bus_type of_platform_bus_type; 27 28 /* 29 * An of_platform_driver driver is attached to a basic of_device on 30 * the "platform bus" (of_platform_bus_type). 31 */ 32 struct of_platform_driver 33 { 34 int (*probe)(struct of_device* dev, 35 const struct of_device_id *match); 36 int (*remove)(struct of_device* dev); 37 38 int (*suspend)(struct of_device* dev, pm_message_t state); 39 int (*resume)(struct of_device* dev); 40 int (*shutdown)(struct of_device* dev); 41 42 struct device_driver driver; 43 }; 44 #define to_of_platform_driver(drv) \ 45 container_of(drv,struct of_platform_driver, driver) 46 47 extern int of_register_driver(struct of_platform_driver *drv, 48 struct bus_type *bus); 49 extern void of_unregister_driver(struct of_platform_driver *drv); 50 51 /* Platform drivers register/unregister */ 52 static inline int of_register_platform_driver(struct of_platform_driver *drv) 53 { 54 return of_register_driver(drv, &of_platform_bus_type); 55 } 56 static inline void of_unregister_platform_driver(struct of_platform_driver *drv) 57 { 58 of_unregister_driver(drv); 59 } 60 61 #include <asm/of_platform.h> 62 63 extern struct of_device *of_find_device_by_node(struct device_node *np); 64 65 extern int of_bus_type_init(struct bus_type *bus, const char *name); 66 #endif /* CONFIG_OF_DEVICE */ 67 68 #endif /* _LINUX_OF_PLATFORM_H */ 69