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 #include <linux/mod_devicetable.h> 16 17 struct platform_device { 18 const char * name; 19 int id; 20 struct device dev; 21 u32 num_resources; 22 struct resource * resource; 23 void *platform_data; 24 25 struct platform_device_id *id_entry; 26 }; 27 28 #define platform_get_device_id(pdev) ((pdev)->id_entry) 29 30 #define to_platform_device(x) container_of((x), struct platform_device, dev) 31 32 extern int platform_device_register(struct platform_device *); 33 extern void platform_device_unregister(struct platform_device *); 34 35 extern struct bus_type platform_bus_type; 36 extern struct device platform_bus; 37 38 extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); 39 extern int platform_get_irq(struct platform_device *, unsigned int); 40 extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *); 41 extern int platform_get_irq_byname(struct platform_device *, char *); 42 extern int platform_add_devices(struct platform_device **, int); 43 44 extern struct platform_device *platform_device_register_simple(const char *, int id, 45 struct resource *, unsigned int); 46 extern struct platform_device *platform_device_register_data(struct device *, 47 const char *, int, const void *, size_t); 48 49 extern struct platform_device *platform_device_alloc(const char *name, int id); 50 extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num); 51 extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); 52 extern int platform_device_add(struct platform_device *pdev); 53 extern void platform_device_del(struct platform_device *pdev); 54 extern void platform_device_put(struct platform_device *pdev); 55 56 struct platform_driver { 57 int (*probe)(struct platform_device *); 58 int (*remove)(struct platform_device *); 59 void (*shutdown)(struct platform_device *); 60 int (*suspend)(struct platform_device *, pm_message_t state); 61 int (*suspend_late)(struct platform_device *, pm_message_t state); 62 int (*resume_early)(struct platform_device *); 63 int (*resume)(struct platform_device *); 64 struct device_driver driver; 65 struct platform_device_id *id_table; 66 }; 67 68 extern int platform_driver_register(struct platform_driver *); 69 extern void platform_driver_unregister(struct platform_driver *); 70 71 /* non-hotpluggable platform devices may use this so that probe() and 72 * its support may live in __init sections, conserving runtime memory. 73 */ 74 extern int platform_driver_probe(struct platform_driver *driver, 75 int (*probe)(struct platform_device *)); 76 77 #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) 78 #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) 79 80 #endif /* _PLATFORM_DEVICE_H_ */ 81