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 | |
Jeff Mahoney | 5e65577 | 2005-07-06 15:44:41 -0400 | [diff] [blame] | 27 | extern const struct of_device_id *of_match_device( |
| 28 | const struct of_device_id *matches, const struct of_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
| 30 | extern struct of_device *of_dev_get(struct of_device *dev); |
| 31 | extern void of_dev_put(struct of_device *dev); |
| 32 | |
| 33 | /* |
| 34 | * An of_platform_driver driver is attached to a basic of_device on |
| 35 | * the "platform bus" (of_platform_bus_type) |
| 36 | */ |
| 37 | struct of_platform_driver |
| 38 | { |
| 39 | char *name; |
Jeff Mahoney | 5e65577 | 2005-07-06 15:44:41 -0400 | [diff] [blame] | 40 | struct of_device_id *match_table; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | struct module *owner; |
| 42 | |
Jeff Mahoney | 5e65577 | 2005-07-06 15:44:41 -0400 | [diff] [blame] | 43 | int (*probe)(struct of_device* dev, const struct of_device_id *match); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | int (*remove)(struct of_device* dev); |
| 45 | |
Pavel Machek | b1c4285 | 2005-04-16 15:25:34 -0700 | [diff] [blame] | 46 | int (*suspend)(struct of_device* dev, pm_message_t state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | int (*resume)(struct of_device* dev); |
| 48 | int (*shutdown)(struct of_device* dev); |
| 49 | |
| 50 | struct device_driver driver; |
| 51 | }; |
| 52 | #define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver) |
| 53 | |
| 54 | extern int of_register_driver(struct of_platform_driver *drv); |
| 55 | extern void of_unregister_driver(struct of_platform_driver *drv); |
| 56 | extern int of_device_register(struct of_device *ofdev); |
| 57 | extern void of_device_unregister(struct of_device *ofdev); |
| 58 | extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id); |
| 59 | extern void of_release_dev(struct device *dev); |
| 60 | |
| 61 | #endif /* __OF_DEVICE_H__ */ |
| 62 | |