| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef __OF_DEVICE_H__ |
| 2 | #define __OF_DEVICE_H__ |
| 3 | |
| 4 | #include <linux/device.h> |
| 5 | #include <asm/prom.h> |
| 6 | |
| 7 | /* |
| 8 | * The of_platform_bus_type is a bus type used by drivers that do not |
| 9 | * attach to a macio or similar bus but still use OF probing |
| 10 | * mecanism |
| 11 | */ |
| 12 | extern struct bus_type of_platform_bus_type; |
| 13 | |
| 14 | /* |
| 15 | * The of_device is a kind of "base class" that is a superset of |
| 16 | * struct device for use by devices attached to an OF node and |
| 17 | * probed using OF properties |
| 18 | */ |
| 19 | struct of_device |
| 20 | { |
| 21 | struct device_node *node; /* OF device node */ |
| 22 | u64 dma_mask; /* DMA mask */ |
| 23 | struct device dev; /* Generic device interface */ |
| 24 | }; |
| 25 | #define to_of_device(d) container_of(d, struct of_device, dev) |
| 26 | |
| 27 | /* |
| 28 | * Struct used for matching a device |
| 29 | */ |
| 30 | struct of_match |
| 31 | { |
| 32 | char *name; |
| 33 | char *type; |
| 34 | char *compatible; |
| 35 | void *data; |
| 36 | }; |
| 37 | #define OF_ANY_MATCH ((char *)-1L) |
| 38 | |
| 39 | extern const struct of_match *of_match_device( |
| 40 | const struct of_match *matches, const struct of_device *dev); |
| 41 | |
| 42 | extern struct of_device *of_dev_get(struct of_device *dev); |
| 43 | extern void of_dev_put(struct of_device *dev); |
| 44 | |
| 45 | /* |
| 46 | * An of_platform_driver driver is attached to a basic of_device on |
| 47 | * the "platform bus" (of_platform_bus_type) |
| 48 | */ |
| 49 | struct of_platform_driver |
| 50 | { |
| 51 | char *name; |
| 52 | struct of_match *match_table; |
| 53 | struct module *owner; |
| 54 | |
| 55 | int (*probe)(struct of_device* dev, const struct of_match *match); |
| 56 | int (*remove)(struct of_device* dev); |
| 57 | |
| 58 | int (*suspend)(struct of_device* dev, u32 state); |
| 59 | int (*resume)(struct of_device* dev); |
| 60 | int (*shutdown)(struct of_device* dev); |
| 61 | |
| 62 | struct device_driver driver; |
| 63 | }; |
| 64 | #define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver) |
| 65 | |
| 66 | extern int of_register_driver(struct of_platform_driver *drv); |
| 67 | extern void of_unregister_driver(struct of_platform_driver *drv); |
| 68 | extern int of_device_register(struct of_device *ofdev); |
| 69 | extern void of_device_unregister(struct of_device *ofdev); |
| 70 | extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id); |
| 71 | extern void of_release_dev(struct device *dev); |
| 72 | |
| 73 | #endif /* __OF_DEVICE_H__ */ |
| 74 | |