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 * of_platform_driver - Legacy of-aware driver for platform devices. 24 * 25 * An of_platform_driver driver is attached to a basic platform_device on 26 * ether the "platform bus" (platform_bus_type), or the ibm ebus 27 * (ibmebus_bus_type). 28 * 29 * of_platform_driver is being phased out when used with the platform_bus_type, 30 * and regular platform_drivers should be used instead. When the transition 31 * is complete, only ibmebus will be using this structure, and the 32 * platform_driver member of this structure will be removed. 33 */ 34 struct of_platform_driver 35 { 36 int (*probe)(struct platform_device* dev, 37 const struct of_device_id *match); 38 int (*remove)(struct platform_device* dev); 39 40 int (*suspend)(struct platform_device* dev, pm_message_t state); 41 int (*resume)(struct platform_device* dev); 42 int (*shutdown)(struct platform_device* dev); 43 44 struct device_driver driver; 45 struct platform_driver platform_driver; 46 }; 47 #define to_of_platform_driver(drv) \ 48 container_of(drv,struct of_platform_driver, driver) 49 50 extern int of_register_driver(struct of_platform_driver *drv, 51 struct bus_type *bus); 52 extern void of_unregister_driver(struct of_platform_driver *drv); 53 54 /* Platform drivers register/unregister */ 55 extern int of_register_platform_driver(struct of_platform_driver *drv); 56 extern void of_unregister_platform_driver(struct of_platform_driver *drv); 57 58 extern struct platform_device *of_device_alloc(struct device_node *np, 59 const char *bus_id, 60 struct device *parent); 61 extern struct platform_device *of_find_device_by_node(struct device_node *np); 62 63 extern int of_bus_type_init(struct bus_type *bus, const char *name); 64 65 #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */ 66 /* Platform devices and busses creation */ 67 extern struct platform_device *of_platform_device_create(struct device_node *np, 68 const char *bus_id, 69 struct device *parent); 70 71 /* pseudo "matches" value to not do deep probe */ 72 #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) 73 74 extern int of_platform_bus_probe(struct device_node *root, 75 const struct of_device_id *matches, 76 struct device *parent); 77 #endif /* !CONFIG_SPARC */ 78 79 #endif /* CONFIG_OF_DEVICE */ 80 81 #endif /* _LINUX_OF_PLATFORM_H */ 82