[mirror_ubuntu-artful-kernel.git] / include / linux / iio / sw_device.h

/*
 * Industrial I/O software device interface
 *
 * Copyright (c) 2016 Intel Corporation
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifndef __IIO_SW_DEVICE
#define __IIO_SW_DEVICE

#include <linux/module.h>
#include <linux/device.h>
#include <linux/iio/iio.h>
#include <linux/configfs.h>

#define module_iio_sw_device_driver(__iio_sw_device_type) \
	module_driver(__iio_sw_device_type, iio_register_sw_device_type, \
		      iio_unregister_sw_device_type)

struct iio_sw_device_ops;

struct iio_sw_device_type {
	const char *name;
	struct module *owner;
	const struct iio_sw_device_ops *ops;
	struct list_head list;
	struct config_group *group;
};

struct iio_sw_device {
	struct iio_dev *device;
	struct iio_sw_device_type *device_type;
	struct config_group group;
};

struct iio_sw_device_ops {
	struct iio_sw_device* (*probe)(const char *);
	int (*remove)(struct iio_sw_device *);
};

static inline
struct iio_sw_device *to_iio_sw_device(struct config_item *item)
{
	return container_of(to_config_group(item), struct iio_sw_device,
			    group);
}

int iio_register_sw_device_type(struct iio_sw_device_type *dt);
void iio_unregister_sw_device_type(struct iio_sw_device_type *dt);

struct iio_sw_device *iio_sw_device_create(const char *, const char *);
void iio_sw_device_destroy(struct iio_sw_device *);

int iio_sw_device_type_configfs_register(struct iio_sw_device_type *dt);
void iio_sw_device_type_configfs_unregister(struct iio_sw_device_type *dt);

static inline
void iio_swd_group_init_type_name(struct iio_sw_device *d,
				  const char *name,
				  struct config_item_type *type)
{
#if IS_ENABLED(CONFIG_CONFIGFS_FS)
	config_group_init_type_name(&d->group, name, type);
#endif
}

#endif /* __IIO_SW_DEVICE */
Commit	Line	Data
0f3a8c3f DB	1	/*
	2	* Industrial I/O software device interface
	3	*
	4	* Copyright (c) 2016 Intel Corporation
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License version 2 as published by
	8	* the Free Software Foundation.
	9	*/
	10
	11	#ifndef __IIO_SW_DEVICE
	12	#define __IIO_SW_DEVICE
	13
	14	#include <linux/module.h>
	15	#include <linux/device.h>
	16	#include <linux/iio/iio.h>
	17	#include <linux/configfs.h>
	18
	19	#define module_iio_sw_device_driver(__iio_sw_device_type) \
	20	module_driver(__iio_sw_device_type, iio_register_sw_device_type, \
	21	iio_unregister_sw_device_type)
	22
	23	struct iio_sw_device_ops;
	24
	25	struct iio_sw_device_type {
	26	const char *name;
	27	struct module *owner;
	28	const struct iio_sw_device_ops *ops;
	29	struct list_head list;
	30	struct config_group *group;
	31	};
	32
	33	struct iio_sw_device {
	34	struct iio_dev *device;
	35	struct iio_sw_device_type *device_type;
	36	struct config_group group;
	37	};
	38
	39	struct iio_sw_device_ops {
	40	struct iio_sw_device* (probe)(const char );
	41	int (remove)(struct iio_sw_device );
	42	};
	43
	44	static inline
	45	struct iio_sw_device to_iio_sw_device(struct config_item item)
	46	{
	47	return container_of(to_config_group(item), struct iio_sw_device,
	48	group);
	49	}
	50
	51	int iio_register_sw_device_type(struct iio_sw_device_type *dt);
	52	void iio_unregister_sw_device_type(struct iio_sw_device_type *dt);
	53
	54	struct iio_sw_device iio_sw_device_create(const char , const char *);
	55	void iio_sw_device_destroy(struct iio_sw_device *);
	56
	57	int iio_sw_device_type_configfs_register(struct iio_sw_device_type *dt);
	58	void iio_sw_device_type_configfs_unregister(struct iio_sw_device_type *dt);
	59
	60	static inline
	61	void iio_swd_group_init_type_name(struct iio_sw_device *d,
	62	const char *name,
	63	struct config_item_type *type)
	64	{
c42f8218	65	#if IS_ENABLED(CONFIG_CONFIGFS_FS)
0f3a8c3f DB	66	config_group_init_type_name(&d->group, name, type);
	67	#endif
	68	}
	69
	70	#endif /* __IIO_SW_DEVICE */