Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 1 | #ifndef _LINUX_OF_PLATFORM_H |
| 2 | #define _LINUX_OF_PLATFORM_H |
| 3 | /* |
| 4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. |
| 5 | * <benh@kernel.crashing.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | */ |
| 13 | |
Grant Likely | efb2e01 | 2010-04-13 16:12:27 -0700 | [diff] [blame] | 14 | #ifdef CONFIG_OF_DEVICE |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 15 | #include <linux/module.h> |
| 16 | #include <linux/device.h> |
| 17 | #include <linux/mod_devicetable.h> |
| 18 | #include <linux/pm.h> |
| 19 | #include <linux/of_device.h> |
| 20 | |
| 21 | /* |
| 22 | * The of_platform_bus_type is a bus type used by drivers that do not |
| 23 | * attach to a macio or similar bus but still use OF probing |
| 24 | * mechanism |
| 25 | */ |
| 26 | extern struct bus_type of_platform_bus_type; |
| 27 | |
Grant Likely | 5fd200f | 2010-06-08 07:48:13 -0600 | [diff] [blame^] | 28 | extern const struct of_device_id of_default_bus_ids[]; |
| 29 | |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 30 | /* |
| 31 | * An of_platform_driver driver is attached to a basic of_device on |
David S. Miller | c9bb600 | 2008-10-29 23:46:09 -0700 | [diff] [blame] | 32 | * the "platform bus" (of_platform_bus_type). |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 33 | */ |
| 34 | struct of_platform_driver |
| 35 | { |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 36 | int (*probe)(struct of_device* dev, |
| 37 | const struct of_device_id *match); |
| 38 | int (*remove)(struct of_device* dev); |
| 39 | |
| 40 | int (*suspend)(struct of_device* dev, pm_message_t state); |
| 41 | int (*resume)(struct of_device* dev); |
| 42 | int (*shutdown)(struct of_device* dev); |
| 43 | |
| 44 | struct device_driver driver; |
| 45 | }; |
| 46 | #define to_of_platform_driver(drv) \ |
| 47 | container_of(drv,struct of_platform_driver, driver) |
| 48 | |
Stephen Rothwell | 5c45708 | 2007-10-17 21:17:42 -0700 | [diff] [blame] | 49 | extern int of_register_driver(struct of_platform_driver *drv, |
| 50 | struct bus_type *bus); |
| 51 | extern void of_unregister_driver(struct of_platform_driver *drv); |
| 52 | |
Grant Likely | 0763ed2 | 2009-04-30 15:08:50 -0700 | [diff] [blame] | 53 | /* Platform drivers register/unregister */ |
| 54 | static inline int of_register_platform_driver(struct of_platform_driver *drv) |
| 55 | { |
| 56 | return of_register_driver(drv, &of_platform_bus_type); |
| 57 | } |
| 58 | static inline void of_unregister_platform_driver(struct of_platform_driver *drv) |
| 59 | { |
| 60 | of_unregister_driver(drv); |
| 61 | } |
| 62 | |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 63 | #include <asm/of_platform.h> |
| 64 | |
| 65 | extern struct of_device *of_find_device_by_node(struct device_node *np); |
| 66 | |
Stephen Rothwell | 3f23de1 | 2007-05-03 02:38:57 +1000 | [diff] [blame] | 67 | extern int of_bus_type_init(struct bus_type *bus, const char *name); |
Grant Likely | 5fd200f | 2010-06-08 07:48:13 -0600 | [diff] [blame^] | 68 | |
| 69 | #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */ |
| 70 | /* Platform devices and busses creation */ |
| 71 | extern struct of_device *of_platform_device_create(struct device_node *np, |
| 72 | const char *bus_id, |
| 73 | struct device *parent); |
| 74 | |
| 75 | /* pseudo "matches" value to not do deep probe */ |
| 76 | #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) |
| 77 | |
| 78 | extern int of_platform_bus_probe(struct device_node *root, |
| 79 | const struct of_device_id *matches, |
| 80 | struct device *parent); |
| 81 | #endif /* !CONFIG_SPARC */ |
| 82 | |
Grant Likely | efb2e01 | 2010-04-13 16:12:27 -0700 | [diff] [blame] | 83 | #endif /* CONFIG_OF_DEVICE */ |
Stephen Rothwell | 3f23de1 | 2007-05-03 02:38:57 +1000 | [diff] [blame] | 84 | |
Stephen Rothwell | b41912c | 2007-05-01 16:12:57 +1000 | [diff] [blame] | 85 | #endif /* _LINUX_OF_PLATFORM_H */ |