[mirror_ubuntu-jammy-kernel.git] / include / linux / platform_device.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * platform_device.h - generic, centralized driver model
 *
 * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
 *
 * See Documentation/driver-api/driver-model/ for more information.
 */

#ifndef _PLATFORM_DEVICE_H_
#define _PLATFORM_DEVICE_H_

#include <linux/device.h>

#define PLATFORM_DEVID_NONE	(-1)
#define PLATFORM_DEVID_AUTO	(-2)

struct mfd_cell;
struct property_entry;
struct platform_device_id;

struct platform_device {
	const char	*name;
	int		id;
	bool		id_auto;
	struct device	dev;
	u64		platform_dma_mask;
	struct device_dma_parameters dma_parms;
	u32		num_resources;
	struct resource	*resource;

	const struct platform_device_id	*id_entry;
	char *driver_override; /* Driver name to force a match */

	/* MFD cell pointer */
	struct mfd_cell *mfd_cell;

	/* arch specific additions */
	struct pdev_archdata	archdata;
};

#define platform_get_device_id(pdev)	((pdev)->id_entry)

#define dev_is_platform(dev) ((dev)->bus == &platform_bus_type)
#define to_platform_device(x) container_of((x), struct platform_device, dev)

extern int platform_device_register(struct platform_device *);
extern void platform_device_unregister(struct platform_device *);

extern struct bus_type platform_bus_type;
extern struct device platform_bus;

extern struct resource *platform_get_resource(struct platform_device *,
					      unsigned int, unsigned int);
extern struct device *
platform_find_device_by_driver(struct device *start,
			       const struct device_driver *drv);
extern void __iomem *
devm_platform_get_and_ioremap_resource(struct platform_device *pdev,
				unsigned int index, struct resource **res);
extern void __iomem *
devm_platform_ioremap_resource(struct platform_device *pdev,
			       unsigned int index);
extern void __iomem *
devm_platform_ioremap_resource_wc(struct platform_device *pdev,
				  unsigned int index);
extern void __iomem *
devm_platform_ioremap_resource_byname(struct platform_device *pdev,
				      const char *name);
extern int platform_get_irq(struct platform_device *, unsigned int);
extern int platform_get_irq_optional(struct platform_device *, unsigned int);
extern int platform_irq_count(struct platform_device *);
extern struct resource *platform_get_resource_byname(struct platform_device *,
						     unsigned int,
						     const char *);
extern int platform_get_irq_byname(struct platform_device *, const char *);
extern int platform_get_irq_byname_optional(struct platform_device *dev,
					    const char *name);
extern int platform_add_devices(struct platform_device **, int);

struct platform_device_info {
		struct device *parent;
		struct fwnode_handle *fwnode;
		bool of_node_reused;

		const char *name;
		int id;

		const struct resource *res;
		unsigned int num_res;

		const void *data;
		size_t size_data;
		u64 dma_mask;

		const struct property_entry *properties;
};
extern struct platform_device *platform_device_register_full(
		const struct platform_device_info *pdevinfo);

/**
 * platform_device_register_resndata - add a platform-level device with
 * resources and platform-specific data
 *
 * @parent: parent device for the device we're adding
 * @name: base name of the device we're adding
 * @id: instance id
 * @res: set of resources that needs to be allocated for the device
 * @num: number of resources
 * @data: platform specific data for this platform device
 * @size: size of platform specific data
 *
 * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
 */
static inline struct platform_device *platform_device_register_resndata(
		struct device *parent, const char *name, int id,
		const struct resource *res, unsigned int num,
		const void *data, size_t size) {

	struct platform_device_info pdevinfo = {
		.parent = parent,
		.name = name,
		.id = id,
		.res = res,
		.num_res = num,
		.data = data,
		.size_data = size,
		.dma_mask = 0,
	};

	return platform_device_register_full(&pdevinfo);
}

/**
 * platform_device_register_simple - add a platform-level device and its resources
 * @name: base name of the device we're adding
 * @id: instance id
 * @res: set of resources that needs to be allocated for the device
 * @num: number of resources
 *
 * This function creates a simple platform device that requires minimal
 * resource and memory management. Canned release function freeing memory
 * allocated for the device allows drivers using such devices to be
 * unloaded without waiting for the last reference to the device to be
 * dropped.
 *
 * This interface is primarily intended for use with legacy drivers which
 * probe hardware directly.  Because such drivers create sysfs device nodes
 * themselves, rather than letting system infrastructure handle such device
 * enumeration tasks, they don't fully conform to the Linux driver model.
 * In particular, when such drivers are built as modules, they can't be
 * "hotplugged".
 *
 * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
 */
static inline struct platform_device *platform_device_register_simple(
		const char *name, int id,
		const struct resource *res, unsigned int num)
{
	return platform_device_register_resndata(NULL, name, id,
			res, num, NULL, 0);
}

/**
 * platform_device_register_data - add a platform-level device with platform-specific data
 * @parent: parent device for the device we're adding
 * @name: base name of the device we're adding
 * @id: instance id
 * @data: platform specific data for this platform device
 * @size: size of platform specific data
 *
 * This function creates a simple platform device that requires minimal
 * resource and memory management. Canned release function freeing memory
 * allocated for the device allows drivers using such devices to be
 * unloaded without waiting for the last reference to the device to be
 * dropped.
 *
 * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
 */
static inline struct platform_device *platform_device_register_data(
		struct device *parent, const char *name, int id,
		const void *data, size_t size)
{
	return platform_device_register_resndata(parent, name, id,
			NULL, 0, data, size);
}

extern struct platform_device *platform_device_alloc(const char *name, int id);
extern int platform_device_add_resources(struct platform_device *pdev,
					 const struct resource *res,
					 unsigned int num);
extern int platform_device_add_data(struct platform_device *pdev,
				    const void *data, size_t size);
extern int platform_device_add_properties(struct platform_device *pdev,
				const struct property_entry *properties);
extern int platform_device_add(struct platform_device *pdev);
extern void platform_device_del(struct platform_device *pdev);
extern void platform_device_put(struct platform_device *pdev);

struct platform_driver {
	int (*probe)(struct platform_device *);
	int (*remove)(struct platform_device *);
	void (*shutdown)(struct platform_device *);
	int (*suspend)(struct platform_device *, pm_message_t state);
	int (*resume)(struct platform_device *);
	struct device_driver driver;
	const struct platform_device_id *id_table;
	bool prevent_deferred_probe;
};

#define to_platform_driver(drv)	(container_of((drv), struct platform_driver, \
				 driver))

/*
 * use a macro to avoid include chaining to get THIS_MODULE
 */
#define platform_driver_register(drv) \
	__platform_driver_register(drv, THIS_MODULE)
extern int __platform_driver_register(struct platform_driver *,
					struct module *);
extern void platform_driver_unregister(struct platform_driver *);

/* non-hotpluggable platform devices may use this so that probe() and
 * its support may live in __init sections, conserving runtime memory.
 */
#define platform_driver_probe(drv, probe) \
	__platform_driver_probe(drv, probe, THIS_MODULE)
extern int __platform_driver_probe(struct platform_driver *driver,
		int (*probe)(struct platform_device *), struct module *module);

static inline void *platform_get_drvdata(const struct platform_device *pdev)
{
	return dev_get_drvdata(&pdev->dev);
}

static inline void platform_set_drvdata(struct platform_device *pdev,
					void *data)
{
	dev_set_drvdata(&pdev->dev, data);
}

/* module_platform_driver() - Helper macro for drivers that don't do
 * anything special in module init/exit.  This eliminates a lot of
 * boilerplate.  Each module may only use this macro once, and
 * calling it replaces module_init() and module_exit()
 */
#define module_platform_driver(__platform_driver) \
	module_driver(__platform_driver, platform_driver_register, \
			platform_driver_unregister)

/* builtin_platform_driver() - Helper macro for builtin drivers that
 * don't do anything special in driver init.  This eliminates some
 * boilerplate.  Each driver may only use this macro once, and
 * calling it replaces device_initcall().  Note this is meant to be
 * a parallel of module_platform_driver() above, but w/o _exit stuff.
 */
#define builtin_platform_driver(__platform_driver) \
	builtin_driver(__platform_driver, platform_driver_register)

/* module_platform_driver_probe() - Helper macro for drivers that don't do
 * anything special in module init/exit.  This eliminates a lot of
 * boilerplate.  Each module may only use this macro once, and
 * calling it replaces module_init() and module_exit()
 */
#define module_platform_driver_probe(__platform_driver, __platform_probe) \
static int __init __platform_driver##_init(void) \
{ \
	return platform_driver_probe(&(__platform_driver), \
				     __platform_probe);    \
} \
module_init(__platform_driver##_init); \
static void __exit __platform_driver##_exit(void) \
{ \
	platform_driver_unregister(&(__platform_driver)); \
} \
module_exit(__platform_driver##_exit);

/* builtin_platform_driver_probe() - Helper macro for drivers that don't do
 * anything special in device init.  This eliminates some boilerplate.  Each
 * driver may only use this macro once, and using it replaces device_initcall.
 * This is meant to be a parallel of module_platform_driver_probe above, but
 * without the __exit parts.
 */
#define builtin_platform_driver_probe(__platform_driver, __platform_probe) \
static int __init __platform_driver##_init(void) \
{ \
	return platform_driver_probe(&(__platform_driver), \
				     __platform_probe);    \
} \
device_initcall(__platform_driver##_init); \

#define platform_create_bundle(driver, probe, res, n_res, data, size) \
	__platform_create_bundle(driver, probe, res, n_res, data, size, THIS_MODULE)
extern struct platform_device *__platform_create_bundle(
	struct platform_driver *driver, int (*probe)(struct platform_device *),
	struct resource *res, unsigned int n_res,
	const void *data, size_t size, struct module *module);

int __platform_register_drivers(struct platform_driver * const *drivers,
				unsigned int count, struct module *owner);
void platform_unregister_drivers(struct platform_driver * const *drivers,
				 unsigned int count);

#define platform_register_drivers(drivers, count) \
	__platform_register_drivers(drivers, count, THIS_MODULE)

#ifdef CONFIG_SUSPEND
extern int platform_pm_suspend(struct device *dev);
extern int platform_pm_resume(struct device *dev);
#else
#define platform_pm_suspend		NULL
#define platform_pm_resume		NULL
#endif

#ifdef CONFIG_HIBERNATE_CALLBACKS
extern int platform_pm_freeze(struct device *dev);
extern int platform_pm_thaw(struct device *dev);
extern int platform_pm_poweroff(struct device *dev);
extern int platform_pm_restore(struct device *dev);
#else
#define platform_pm_freeze		NULL
#define platform_pm_thaw		NULL
#define platform_pm_poweroff		NULL
#define platform_pm_restore		NULL
#endif

extern int platform_dma_configure(struct device *dev);

#ifdef CONFIG_PM_SLEEP
#define USE_PLATFORM_PM_SLEEP_OPS \
	.suspend = platform_pm_suspend, \
	.resume = platform_pm_resume, \
	.freeze = platform_pm_freeze, \
	.thaw = platform_pm_thaw, \
	.poweroff = platform_pm_poweroff, \
	.restore = platform_pm_restore,
#else
#define USE_PLATFORM_PM_SLEEP_OPS
#endif

#ifndef CONFIG_SUPERH
/*
 * REVISIT: This stub is needed for all non-SuperH users of early platform
 * drivers. It should go away once we introduce the new platform_device-based
 * early driver framework.
 */
static inline int is_sh_early_platform_device(struct platform_device *pdev)
{
	return 0;
}
#endif /* CONFIG_SUPERH */

#endif /* _PLATFORM_DEVICE_H_ */
Commit	Line	Data
55716d26	1	/* SPDX-License-Identifier: GPL-2.0-only */
bbbf508d RK	2	/*
	3	* platform_device.h - generic, centralized driver model
	4	*
	5	* Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
	6	*
fe34c89d	7	* See Documentation/driver-api/driver-model/ for more information.
bbbf508d RK	8	*/
	9
	10	#ifndef _PLATFORM_DEVICE_H_
	11	#define _PLATFORM_DEVICE_H_
	12
	13	#include <linux/device.h>
	14
689ae231 JD	15	#define PLATFORM_DEVID_NONE (-1)
	16	#define PLATFORM_DEVID_AUTO (-2)
	17
e710d7d5	18	struct mfd_cell;
f4d05266	19	struct property_entry;
ac316725	20	struct platform_device_id;
e710d7d5	21
bbbf508d	22	struct platform_device {
6ae07f27	23	const char *name;
1359555e	24	int id;
689ae231	25	bool id_auto;
bbbf508d	26	struct device dev;
e3a36eb6	27	u64 platform_dma_mask;
9495b7e9	28	struct device_dma_parameters dma_parms;
bbbf508d	29	u32 num_resources;
6ae07f27	30	struct resource *resource;
57fee4a5	31
3d03ba4d	32	const struct platform_device_id *id_entry;
3d713e0e	33	char driver_override; / Driver name to force a match */
d7aacadd	34
e710d7d5 SO	35	/* MFD cell pointer */
	36	struct mfd_cell *mfd_cell;
	37
d7aacadd MD	38	/* arch specific additions */
d7aacadd MD	39	struct pdev_archdata archdata;
bbbf508d RK	40	};
bbbf508d RK	41
57fee4a5 EM	42	#define platform_get_device_id(pdev) ((pdev)->id_entry)
57fee4a5 EM	43
719cf71c	44	#define dev_is_platform(dev) ((dev)->bus == &platform_bus_type)
bbbf508d RK	45	#define to_platform_device(x) container_of((x), struct platform_device, dev)
	46
	47	extern int platform_device_register(struct platform_device *);
	48	extern void platform_device_unregister(struct platform_device *);
	49
	50	extern struct bus_type platform_bus_type;
	51	extern struct device platform_bus;
	52
6ae07f27 FP	53	extern struct resource platform_get_resource(struct platform_device ,
6ae07f27 FP	54	unsigned int, unsigned int);
36f3313d SP	55	extern struct device *
	56	platform_find_device_by_driver(struct device *start,
	57	const struct device_driver *drv);
7945f929	58	extern void __iomem *
890cc39a DZ	59	devm_platform_get_and_ioremap_resource(struct platform_device *pdev,
	60	unsigned int index, struct resource **res);
	61	extern void __iomem *
7945f929 BG	62	devm_platform_ioremap_resource(struct platform_device *pdev,
7945f929 BG	63	unsigned int index);
bb6243b4 BG	64	extern void __iomem *
	65	devm_platform_ioremap_resource_wc(struct platform_device *pdev,
	66	unsigned int index);
c9c8641d BG	67	extern void __iomem *
	68	devm_platform_ioremap_resource_byname(struct platform_device *pdev,
	69	const char *name);
bbbf508d	70	extern int platform_get_irq(struct platform_device *, unsigned int);
8973ea47	71	extern int platform_get_irq_optional(struct platform_device *, unsigned int);
4b83555d	72	extern int platform_irq_count(struct platform_device *);
6ae07f27 FP	73	extern struct resource platform_get_resource_byname(struct platform_device ,
	74	unsigned int,
	75	const char *);
c0afe7ba	76	extern int platform_get_irq_byname(struct platform_device , const char );
f1da567f HG	77	extern int platform_get_irq_byname_optional(struct platform_device *dev,
f1da567f HG	78	const char *name);
bbbf508d RK	79	extern int platform_add_devices(struct platform_device **, int);
bbbf508d RK	80
01dcc60a UKK	81	struct platform_device_info {
01dcc60a UKK	82	struct device *parent;
ce793486	83	struct fwnode_handle *fwnode;
2c1ea6ab	84	bool of_node_reused;
01dcc60a UKK	85
	86	const char *name;
	87	int id;
	88
	89	const struct resource *res;
	90	unsigned int num_res;
	91
	92	const void *data;
	93	size_t size_data;
	94	u64 dma_mask;
00bbc1d8	95
469e1906	96	const struct property_entry *properties;
01dcc60a UKK	97	};
01dcc60a UKK	98	extern struct platform_device *platform_device_register_full(
5a3072be	99	const struct platform_device_info *pdevinfo);
01dcc60a UKK	100
	101	/**
	102	* platform_device_register_resndata - add a platform-level device with
	103	* resources and platform-specific data
	104	*
	105	* @parent: parent device for the device we're adding
	106	* @name: base name of the device we're adding
	107	* @id: instance id
	108	* @res: set of resources that needs to be allocated for the device
	109	* @num: number of resources
	110	* @data: platform specific data for this platform device
	111	* @size: size of platform specific data
	112	*
	113	* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
	114	*/
	115	static inline struct platform_device *platform_device_register_resndata(
44f28bde UKK	116	struct device parent, const char name, int id,
44f28bde UKK	117	const struct resource *res, unsigned int num,
01dcc60a UKK	118	const void *data, size_t size) {
	119
	120	struct platform_device_info pdevinfo = {
	121	.parent = parent,
	122	.name = name,
	123	.id = id,
	124	.res = res,
	125	.num_res = num,
	126	.data = data,
	127	.size_data = size,
	128	.dma_mask = 0,
	129	};
	130
	131	return platform_device_register_full(&pdevinfo);
	132	}
44f28bde UKK	133
	134	/**
	135	* platform_device_register_simple - add a platform-level device and its resources
	136	* @name: base name of the device we're adding
	137	* @id: instance id
	138	* @res: set of resources that needs to be allocated for the device
	139	* @num: number of resources
	140	*
	141	* This function creates a simple platform device that requires minimal
	142	* resource and memory management. Canned release function freeing memory
	143	* allocated for the device allows drivers using such devices to be
	144	* unloaded without waiting for the last reference to the device to be
	145	* dropped.
	146	*
	147	* This interface is primarily intended for use with legacy drivers which
	148	* probe hardware directly. Because such drivers create sysfs device nodes
	149	* themselves, rather than letting system infrastructure handle such device
	150	* enumeration tasks, they don't fully conform to the Linux driver model.
	151	* In particular, when such drivers are built as modules, they can't be
	152	* "hotplugged".
	153	*
	154	* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
	155	*/
	156	static inline struct platform_device *platform_device_register_simple(
	157	const char *name, int id,
	158	const struct resource *res, unsigned int num)
	159	{
	160	return platform_device_register_resndata(NULL, name, id,
	161	res, num, NULL, 0);
	162	}
	163
	164	/**
	165	* platform_device_register_data - add a platform-level device with platform-specific data
	166	* @parent: parent device for the device we're adding
	167	* @name: base name of the device we're adding
	168	* @id: instance id
	169	* @data: platform specific data for this platform device
	170	* @size: size of platform specific data
	171	*
	172	* This function creates a simple platform device that requires minimal
	173	* resource and memory management. Canned release function freeing memory
	174	* allocated for the device allows drivers using such devices to be
	175	* unloaded without waiting for the last reference to the device to be
	176	* dropped.
	177	*
	178	* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
	179	*/
	180	static inline struct platform_device *platform_device_register_data(
	181	struct device parent, const char name, int id,
	182	const void *data, size_t size)
	183	{
	184	return platform_device_register_resndata(parent, name, id,
	185	NULL, 0, data, size);
	186	}
bbbf508d	187
1359555e	188	extern struct platform_device platform_device_alloc(const char name, int id);
0b7f1a7e GU	189	extern int platform_device_add_resources(struct platform_device *pdev,
	190	const struct resource *res,
	191	unsigned int num);
6ae07f27 FP	192	extern int platform_device_add_data(struct platform_device *pdev,
6ae07f27 FP	193	const void *data, size_t size);
00bbc1d8	194	extern int platform_device_add_properties(struct platform_device *pdev,
277036f0	195	const struct property_entry *properties);
37c12e74	196	extern int platform_device_add(struct platform_device *pdev);
93ce3061	197	extern void platform_device_del(struct platform_device *pdev);
37c12e74 RK	198	extern void platform_device_put(struct platform_device *pdev);
37c12e74 RK	199
00d3dcdd RK	200	struct platform_driver {
	201	int (probe)(struct platform_device );
	202	int (remove)(struct platform_device );
	203	void (shutdown)(struct platform_device );
	204	int (suspend)(struct platform_device , pm_message_t state);
	205	int (resume)(struct platform_device );
	206	struct device_driver driver;
831fad2f	207	const struct platform_device_id *id_table;
3f9120b0	208	bool prevent_deferred_probe;
00d3dcdd RK	209	};
00d3dcdd RK	210
10dbc5e3 RH	211	#define to_platform_driver(drv) (container_of((drv), struct platform_driver, \
	212	driver))
	213
9447057e LC	214	/*
	215	* use a macro to avoid include chaining to get THIS_MODULE
	216	*/
	217	#define platform_driver_register(drv) \
	218	__platform_driver_register(drv, THIS_MODULE)
	219	extern int __platform_driver_register(struct platform_driver *,
	220	struct module *);
00d3dcdd RK	221	extern void platform_driver_unregister(struct platform_driver *);
00d3dcdd RK	222
c67334fb DB	223	/* non-hotpluggable platform devices may use this so that probe() and
	224	* its support may live in __init sections, conserving runtime memory.
	225	*/
c3b50dc2 WS	226	#define platform_driver_probe(drv, probe) \
	227	__platform_driver_probe(drv, probe, THIS_MODULE)
	228	extern int __platform_driver_probe(struct platform_driver *driver,
	229	int (probe)(struct platform_device ), struct module *module);
c67334fb	230
71d64290 MKB	231	static inline void platform_get_drvdata(const struct platform_device pdev)
	232	{
	233	return dev_get_drvdata(&pdev->dev);
	234	}
	235
6ae07f27 FP	236	static inline void platform_set_drvdata(struct platform_device *pdev,
6ae07f27 FP	237	void *data)
71d64290 MKB	238	{
	239	dev_set_drvdata(&pdev->dev, data);
	240	}
00d3dcdd	241
940ab889 GL	242	/* module_platform_driver() - Helper macro for drivers that don't do
	243	* anything special in module init/exit. This eliminates a lot of
	244	* boilerplate. Each module may only use this macro once, and
	245	* calling it replaces module_init() and module_exit()
	246	*/
	247	#define module_platform_driver(__platform_driver) \
907d0ed1 LPC	248	module_driver(__platform_driver, platform_driver_register, \
907d0ed1 LPC	249	platform_driver_unregister)
940ab889	250
f309d444 PG	251	/* builtin_platform_driver() - Helper macro for builtin drivers that
	252	* don't do anything special in driver init. This eliminates some
	253	* boilerplate. Each driver may only use this macro once, and
	254	* calling it replaces device_initcall(). Note this is meant to be
	255	* a parallel of module_platform_driver() above, but w/o _exit stuff.
	256	*/
	257	#define builtin_platform_driver(__platform_driver) \
	258	builtin_driver(__platform_driver, platform_driver_register)
	259
bab734fc FP	260	/* module_platform_driver_probe() - Helper macro for drivers that don't do
	261	* anything special in module init/exit. This eliminates a lot of
	262	* boilerplate. Each module may only use this macro once, and
	263	* calling it replaces module_init() and module_exit()
	264	*/
	265	#define module_platform_driver_probe(__platform_driver, __platform_probe) \
	266	static int __init __platform_driver##_init(void) \
	267	{ \
	268	return platform_driver_probe(&(__platform_driver), \
	269	__platform_probe); \
	270	} \
	271	module_init(__platform_driver##_init); \
	272	static void __exit __platform_driver##_exit(void) \
	273	{ \
	274	platform_driver_unregister(&(__platform_driver)); \
	275	} \
	276	module_exit(__platform_driver##_exit);
	277
f309d444 PG	278	/* builtin_platform_driver_probe() - Helper macro for drivers that don't do
	279	* anything special in device init. This eliminates some boilerplate. Each
	280	* driver may only use this macro once, and using it replaces device_initcall.
	281	* This is meant to be a parallel of module_platform_driver_probe above, but
	282	* without the __exit parts.
	283	*/
	284	#define builtin_platform_driver_probe(__platform_driver, __platform_probe) \
	285	static int __init __platform_driver##_init(void) \
	286	{ \
	287	return platform_driver_probe(&(__platform_driver), \
	288	__platform_probe); \
	289	} \
	290	device_initcall(__platform_driver##_init); \
	291
291f653a WS	292	#define platform_create_bundle(driver, probe, res, n_res, data, size) \
	293	__platform_create_bundle(driver, probe, res, n_res, data, size, THIS_MODULE)
	294	extern struct platform_device *__platform_create_bundle(
6ae07f27 FP	295	struct platform_driver driver, int (probe)(struct platform_device *),
6ae07f27 FP	296	struct resource *res, unsigned int n_res,
291f653a	297	const void data, size_t size, struct module module);
ecdf6ceb	298
dbe2256d TR	299	int __platform_register_drivers(struct platform_driver * const *drivers,
	300	unsigned int count, struct module *owner);
	301	void platform_unregister_drivers(struct platform_driver * const *drivers,
	302	unsigned int count);
	303
	304	#define platform_register_drivers(drivers, count) \
	305	__platform_register_drivers(drivers, count, THIS_MODULE)
	306
69c9dd1e RW	307	#ifdef CONFIG_SUSPEND
69c9dd1e RW	308	extern int platform_pm_suspend(struct device *dev);
69c9dd1e	309	extern int platform_pm_resume(struct device *dev);
69c9dd1e RW	310	#else
	311	#define platform_pm_suspend NULL
	312	#define platform_pm_resume NULL
69c9dd1e RW	313	#endif
	314
	315	#ifdef CONFIG_HIBERNATE_CALLBACKS
	316	extern int platform_pm_freeze(struct device *dev);
69c9dd1e	317	extern int platform_pm_thaw(struct device *dev);
69c9dd1e	318	extern int platform_pm_poweroff(struct device *dev);
69c9dd1e	319	extern int platform_pm_restore(struct device *dev);
69c9dd1e RW	320	#else
	321	#define platform_pm_freeze NULL
	322	#define platform_pm_thaw NULL
	323	#define platform_pm_poweroff NULL
	324	#define platform_pm_restore NULL
69c9dd1e RW	325	#endif
69c9dd1e RW	326
07397df2 NG	327	extern int platform_dma_configure(struct device *dev);
07397df2 NG	328
69c9dd1e RW	329	#ifdef CONFIG_PM_SLEEP
69c9dd1e RW	330	#define USE_PLATFORM_PM_SLEEP_OPS \
69c9dd1e RW	331	.suspend = platform_pm_suspend, \
	332	.resume = platform_pm_resume, \
	333	.freeze = platform_pm_freeze, \
	334	.thaw = platform_pm_thaw, \
	335	.poweroff = platform_pm_poweroff, \
9b39e73d	336	.restore = platform_pm_restore,
69c9dd1e RW	337	#else
	338	#define USE_PLATFORM_PM_SLEEP_OPS
	339	#endif
	340
507fd01d BG	341	#ifndef CONFIG_SUPERH
	342	/*
	343	* REVISIT: This stub is needed for all non-SuperH users of early platform
	344	* drivers. It should go away once we introduce the new platform_device-based
	345	* early driver framework.
	346	*/
201e9109	347	static inline int is_sh_early_platform_device(struct platform_device *pdev)
507fd01d BG	348	{
	349	return 0;
	350	}
	351	#endif /* CONFIG_SUPERH */
	352
bbbf508d	353	#endif /* _PLATFORM_DEVICE_H_ */