| Benjamin Herrenschmidt | 7eebde7 | 2006-11-11 17:24:59 +1100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. |
| 3 | * <benh@kernel.crashing.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version |
| 8 | * 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <asm/of_device.h> |
| 13 | |
| 14 | /* |
| 15 | * The of_platform_bus_type is a bus type used by drivers that do not |
| 16 | * attach to a macio or similar bus but still use OF probing |
| 17 | * mechanism |
| 18 | */ |
| 19 | extern struct bus_type of_platform_bus_type; |
| 20 | |
| 21 | /* |
| 22 | * An of_platform_driver driver is attached to a basic of_device on |
| 23 | * the "platform bus" (of_platform_bus_type) |
| 24 | */ |
| 25 | struct of_platform_driver |
| 26 | { |
| 27 | char *name; |
| 28 | struct of_device_id *match_table; |
| 29 | struct module *owner; |
| 30 | |
| 31 | int (*probe)(struct of_device* dev, |
| 32 | const struct of_device_id *match); |
| 33 | int (*remove)(struct of_device* dev); |
| 34 | |
| 35 | int (*suspend)(struct of_device* dev, pm_message_t state); |
| 36 | int (*resume)(struct of_device* dev); |
| 37 | int (*shutdown)(struct of_device* dev); |
| 38 | |
| 39 | struct device_driver driver; |
| 40 | }; |
| 41 | #define to_of_platform_driver(drv) \ |
| 42 | container_of(drv,struct of_platform_driver, driver) |
| 43 | |
| 44 | /* Platform drivers register/unregister */ |
| 45 | extern int of_register_platform_driver(struct of_platform_driver *drv); |
| 46 | extern void of_unregister_platform_driver(struct of_platform_driver *drv); |
| 47 | |
| 48 | /* Platform devices and busses creation */ |
| 49 | extern struct of_device *of_platform_device_create(struct device_node *np, |
| 50 | const char *bus_id, |
| 51 | struct device *parent); |
| 52 | /* pseudo "matches" value to not do deep probe */ |
| 53 | #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) |
| 54 | |
| 55 | extern int of_platform_bus_probe(struct device_node *root, |
| 56 | struct of_device_id *matches, |
| 57 | struct device *parent); |
| 58 | |
| 59 | extern struct of_device *of_find_device_by_node(struct device_node *np); |
| 60 | extern struct of_device *of_find_device_by_phandle(phandle ph); |