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 #include <linux/platform_device.h> 21 22 /* 23 * An of_platform_driver driver is attached to a basic of_device on 24 * the "platform bus" (platform_bus_type). 25 */ 26 struct of_platform_driver 27 { 28 int (*probe)(struct platform_device* dev, 29 const struct of_device_id *match); 30 int (*remove)(struct platform_device* dev); 31 32 int (*suspend)(struct platform_device* dev, pm_message_t state); 33 int (*resume)(struct platform_device* dev); 34 int (*shutdown)(struct platform_device* dev); 35 36 struct device_driver driver; 37 struct platform_driver platform_driver; 38 }; 39 #define to_of_platform_driver(drv) \ 40 container_of(drv,struct of_platform_driver, driver) 41 42 extern int of_register_driver(struct of_platform_driver *drv, 43 struct bus_type *bus); 44 extern void of_unregister_driver(struct of_platform_driver *drv); 45 46 /* Platform drivers register/unregister */ 47 extern int of_register_platform_driver(struct of_platform_driver *drv); 48 extern void of_unregister_platform_driver(struct of_platform_driver *drv); 49 50 extern struct platform_device *of_device_alloc(struct device_node *np, 51 const char *bus_id, 52 struct device *parent); 53 extern struct platform_device *of_find_device_by_node(struct device_node *np); 54 55 extern int of_bus_type_init(struct bus_type *bus, const char *name); 56 57 #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */ 58 /* Platform devices and busses creation */ 59 extern struct platform_device *of_platform_device_create(struct device_node *np, 60 const char *bus_id, 61 struct device *parent); 62 63 /* pseudo "matches" value to not do deep probe */ 64 #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) 65 66 extern int of_platform_bus_probe(struct device_node *root, 67 const struct of_device_id *matches, 68 struct device *parent); 69 #endif /* !CONFIG_SPARC */ 70 71 #endif /* CONFIG_OF_DEVICE */ 72 73 #endif /* _LINUX_OF_PLATFORM_H */ 74