1 /* 2 * platform_device.h - generic, centralized driver model 3 * 4 * Copyright (c) 2001-2003 Patrick Mochel <[email protected]> 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 16 struct platform_device { 17 const char * name; 18 int id; 19 struct device dev; 20 u32 num_resources; 21 struct resource * resource; 22 }; 23 24 #define to_platform_device(x) container_of((x), struct platform_device, dev) 25 26 extern int platform_device_register(struct platform_device *); 27 extern void platform_device_unregister(struct platform_device *); 28 29 extern struct bus_type platform_bus_type; 30 extern struct device platform_bus; 31 32 extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); 33 extern int platform_get_irq(struct platform_device *, unsigned int); 34 extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *); 35 extern int platform_get_irq_byname(struct platform_device *, char *); 36 extern int platform_add_devices(struct platform_device **, int); 37 38 extern struct platform_device *platform_device_register_simple(char *, int id, 39 struct resource *, unsigned int); 40 41 extern struct platform_device *platform_device_alloc(const char *name, int id); 42 extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num); 43 extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); 44 extern int platform_device_add(struct platform_device *pdev); 45 extern void platform_device_del(struct platform_device *pdev); 46 extern void platform_device_put(struct platform_device *pdev); 47 48 struct platform_driver { 49 int (*probe)(struct platform_device *); 50 int (*remove)(struct platform_device *); 51 void (*shutdown)(struct platform_device *); 52 int (*suspend)(struct platform_device *, pm_message_t state); 53 int (*suspend_late)(struct platform_device *, pm_message_t state); 54 int (*resume_early)(struct platform_device *); 55 int (*resume)(struct platform_device *); 56 struct device_driver driver; 57 }; 58 59 extern int platform_driver_register(struct platform_driver *); 60 extern void platform_driver_unregister(struct platform_driver *); 61 62 /* non-hotpluggable platform devices may use this so that probe() and 63 * its support may live in __init sections, conserving runtime memory. 64 */ 65 extern int platform_driver_probe(struct platform_driver *driver, 66 int (*probe)(struct platform_device *)); 67 68 #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) 69 #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) 70 71 #endif /* _PLATFORM_DEVICE_H_ */ 72