[linux-2.6-block.git] / include / linux / of_device.h

#ifndef _LINUX_OF_DEVICE_H
#define _LINUX_OF_DEVICE_H

#include <linux/cpu.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h> /* temporary until merge */

#include <linux/of.h>
#include <linux/mod_devicetable.h>

struct device;

#ifdef CONFIG_OF
extern const struct of_device_id *of_match_device(
	const struct of_device_id *matches, const struct device *dev);
extern void of_device_make_bus_id(struct device *dev);

/**
 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
 * @drv: the device_driver structure to test
 * @dev: the device structure to match against
 */
static inline int of_driver_match_device(struct device *dev,
					 const struct device_driver *drv)
{
	return of_match_device(drv->of_match_table, dev) != NULL;
}

extern struct platform_device *of_dev_get(struct platform_device *dev);
extern void of_dev_put(struct platform_device *dev);

extern int of_device_add(struct platform_device *pdev);
extern int of_device_register(struct platform_device *ofdev);
extern void of_device_unregister(struct platform_device *ofdev);

extern ssize_t of_device_get_modalias(struct device *dev,
					char *str, ssize_t len);

extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);

static inline void of_device_node_put(struct device *dev)
{
	of_node_put(dev->of_node);
}

static inline struct device_node *of_cpu_device_node_get(int cpu)
{
	struct device *cpu_dev;
	cpu_dev = get_cpu_device(cpu);
	if (!cpu_dev)
		return NULL;
	return of_node_get(cpu_dev->of_node);
}

void of_dma_configure(struct device *dev, struct device_node *np);
#else /* CONFIG_OF */

static inline int of_driver_match_device(struct device *dev,
					 struct device_driver *drv)
{
	return 0;
}

static inline void of_device_uevent(struct device *dev,
			struct kobj_uevent_env *env) { }

static inline int of_device_get_modalias(struct device *dev,
				   char *str, ssize_t len)
{
	return -ENODEV;
}

static inline int of_device_uevent_modalias(struct device *dev,
				   struct kobj_uevent_env *env)
{
	return -ENODEV;
}

static inline void of_device_node_put(struct device *dev) { }

static inline const struct of_device_id *__of_match_device(
		const struct of_device_id *matches, const struct device *dev)
{
	return NULL;
}
#define of_match_device(matches, dev)	\
	__of_match_device(of_match_ptr(matches), (dev))

static inline struct device_node *of_cpu_device_node_get(int cpu)
{
	return NULL;
}
static inline void of_dma_configure(struct device *dev, struct device_node *np)
{}
#endif /* CONFIG_OF */

#endif /* _LINUX_OF_DEVICE_H */
Commit	Line	Data
f898f8db SR	1	#ifndef _LINUX_OF_DEVICE_H
f898f8db SR	2	#define _LINUX_OF_DEVICE_H
f898f8db	3
bd00860e	4	#include <linux/cpu.h>
f9f5a466	5	#include <linux/platform_device.h>
29596042	6	#include <linux/of_platform.h> /* temporary until merge */
b505ff5e	7
f9f5a466 GL	8	#include <linux/of.h>
f9f5a466 GL	9	#include <linux/mod_devicetable.h>
f898f8db	10
313162d0 PG	11	struct device;
313162d0 PG	12
ba166e90	13	#ifdef CONFIG_OF
f898f8db	14	extern const struct of_device_id *of_match_device(
44504b2b	15	const struct of_device_id matches, const struct device dev);
c6601225	16	extern void of_device_make_bus_id(struct device *dev);
f898f8db	17
8cec0e7b GL	18	/**
	19	* of_driver_match_device - Tell if a driver's of_match_table matches a device.
	20	* @drv: the device_driver structure to test
	21	* @dev: the device structure to match against
	22	*/
b826291c	23	static inline int of_driver_match_device(struct device *dev,
8cec0e7b GL	24	const struct device_driver *drv)
8cec0e7b GL	25	{
b1608d69	26	return of_match_device(drv->of_match_table, dev) != NULL;
8cec0e7b GL	27	}
8cec0e7b GL	28
94a0cb1f GL	29	extern struct platform_device of_dev_get(struct platform_device dev);
94a0cb1f GL	30	extern void of_dev_put(struct platform_device *dev);
f898f8db	31
7096d042	32	extern int of_device_add(struct platform_device *pdev);
94a0cb1f GL	33	extern int of_device_register(struct platform_device *ofdev);
94a0cb1f GL	34	extern void of_device_unregister(struct platform_device *ofdev);
fec738dd	35
34a1c1e8	36	extern ssize_t of_device_get_modalias(struct device *dev,
09e67ca2	37	char *str, ssize_t len);
dd27dcda	38
07d57a32 GL	39	extern void of_device_uevent(struct device dev, struct kobj_uevent_env env);
07d57a32 GL	40	extern int of_device_uevent_modalias(struct device dev, struct kobj_uevent_env env);
dd27dcda	41
7096d042 GL	42	static inline void of_device_node_put(struct device *dev)
	43	{
	44	of_node_put(dev->of_node);
	45	}
dd27dcda	46
bd00860e SK	47	static inline struct device_node *of_cpu_device_node_get(int cpu)
	48	{
	49	struct device *cpu_dev;
	50	cpu_dev = get_cpu_device(cpu);
	51	if (!cpu_dev)
	52	return NULL;
	53	return of_node_get(cpu_dev->of_node);
	54	}
	55
1f5c69aa	56	void of_dma_configure(struct device dev, struct device_node np);
ba166e90	57	#else /* CONFIG_OF */
8cec0e7b GL	58
	59	static inline int of_driver_match_device(struct device *dev,
	60	struct device_driver *drv)
	61	{
	62	return 0;
	63	}
	64
07d57a32 GL	65	static inline void of_device_uevent(struct device *dev,
	66	struct kobj_uevent_env *env) { }
	67
b9f73067 ZR	68	static inline int of_device_get_modalias(struct device *dev,
	69	char *str, ssize_t len)
	70	{
	71	return -ENODEV;
	72	}
	73
07d57a32	74	static inline int of_device_uevent_modalias(struct device *dev,
eca39301 GL	75	struct kobj_uevent_env *env)
	76	{
	77	return -ENODEV;
	78	}
	79
7096d042 GL	80	static inline void of_device_node_put(struct device *dev) { }
7096d042 GL	81
1db73ae3	82	static inline const struct of_device_id *__of_match_device(
b1608d69 GL	83	const struct of_device_id matches, const struct device dev)
	84	{
	85	return NULL;
	86	}
1db73ae3 GU	87	#define of_match_device(matches, dev) \
1db73ae3 GU	88	__of_match_device(of_match_ptr(matches), (dev))
bd00860e SK	89
	90	static inline struct device_node *of_cpu_device_node_get(int cpu)
	91	{
	92	return NULL;
	93	}
1f5c69aa MK	94	static inline void of_dma_configure(struct device dev, struct device_node np)
1f5c69aa MK	95	{}
ba166e90	96	#endif /* CONFIG_OF */
09e67ca2	97
f898f8db	98	#endif /* _LINUX_OF_DEVICE_H */